From 1e86463205868ed903dd3fe6abadc4aa924784ce Mon Sep 17 00:00:00 2001 From: Alexandre Duret-Lutz Date: Thu, 16 Apr 2020 10:47:14 +0200 Subject: [PATCH] update gnulib to 47bf2cf3184027c1eb9c1dfeea5c5b8b2d69710d * lib/dosname.h, lib/glthread/lock.c, lib/glthread/lock.h, lib/glthread/threadlib.c, lib/windows-mutex.c, lib/windows-mutex.h, lib/windows-once.c, lib/windows-once.h, lib/windows-recmutex.c, lib/windows-recmutex.h, lib/windows-rwlock.c, lib/windows-rwlock.h, m4/host-cpu-c-abi.m4, m4/lib-ld.m4, m4/lib-link.m4, m4/lib-prefix.m4, m4/lock.m4, m4/longlong.m4, m4/pthread_rwlock_rdlock.m4, tools/config.rpath: Delete. * lib/alloca.in.h, lib/argmatch.c, lib/argmatch.h, lib/arg-nonnull.h, lib/argp-ba.c, lib/argp-eexst.c, lib/argp-fmtstream.c, lib/argp-fmtstream.h, lib/argp-fs-xinl.c, lib/argp.h, lib/argp-help.c, lib/argp-namefrob.h, lib/argp-parse.c, lib/argp-pin.c, lib/argp-pv.c, lib/argp-pvh.c, lib/argp-xinl.c, lib/asnprintf.c, lib/basename-lgpl.c, lib/c-ctype.h, lib/c++defs.h, lib/cdefs.h, lib/closeout.c, lib/closeout.h, lib/close-stream.c, lib/c-strcasecmp.c, lib/c-strcaseeq.h, lib/c-strcase.h, lib/c-strncasecmp.c, lib/dirname.h, lib/dirname-lgpl.c, lib/errno.in.h, lib/error.c, lib/error.h, lib/exitfail.c, lib/exitfail.h, lib/fcntl.in.h, lib/filename.h, lib/float.c, lib/float+.h, lib/float.in.h, lib/fpending.c, lib/fpending.h, lib/getopt1.c, lib/getopt.c, lib/getopt-cdefs.in.h, lib/getopt-core.h, lib/getopt-ext.h, lib/getopt.in.h, lib/getopt_int.h, lib/getopt-pfx-core.h, lib/getopt-pfx-ext.h, lib/getprogname.c, lib/getprogname.h, lib/gettext.h, lib/gettimeofday.c, lib/hard-locale.c, lib/hard-locale.h, lib/intprops.h, lib/isatty.c, lib/itold.c, lib/libc-config.h, lib/limits.in.h, lib/localcharset.c, lib/localcharset.h, lib/localtime-buffer.c, lib/localtime-buffer.h, lib/lstat.c, lib/Makefile.am, lib/malloca.c, lib/malloca.h, lib/malloc.c, lib/mbrtowc.c, lib/mbsinit.c, lib/memchr.c, lib/memchr.valgrind, lib/mempcpy.c, lib/minmax.h, lib/mkdir.c, lib/mkstemp.c, lib/mkstemps.c, lib/msvc-inval.c, lib/msvc-inval.h, lib/msvc-nothrow.c, lib/msvc-nothrow.h, lib/_Noreturn.h, lib/pathmax.h, lib/printf-args.c, lib/printf-args.h, lib/printf-parse.c, lib/printf-parse.h, lib/progname.c, lib/progname.h, lib/quotearg.c, lib/quotearg.h, lib/quote.h, lib/rawmemchr.c, lib/rawmemchr.valgrind, lib/secure_getenv.c, lib/size_max.h, lib/sleep.c, lib/stat.c, lib/stat-time.h, lib/stat-w32.c, lib/stat-w32.h, lib/stdalign.in.h, lib/stdbool.in.h, lib/stddef.in.h, lib/stdint.in.h, lib/stdio-impl.h, lib/stdio.in.h, lib/stdlib.in.h, lib/stpcpy.c, lib/strcasecmp.c, lib/strchrnul.c, lib/strchrnul.valgrind, lib/streq.h, lib/strerror.c, lib/strerror-override.c, lib/strerror-override.h, lib/string.in.h, lib/strings.in.h, lib/stripslash.c, lib/strncasecmp.c, lib/strndup.c, lib/strnlen.c, lib/strverscmp.c, lib/sysexits.in.h, lib/sys_stat.in.h, lib/sys_time.in.h, lib/sys_types.in.h, lib/sys_wait.in.h, lib/tempname.c, lib/tempname.h, lib/time.in.h, lib/unistd.in.h, lib/vasnprintf.c, lib/vasnprintf.h, lib/verify.h, lib/vsnprintf.c, lib/warn-on-use.h, lib/wchar.in.h, lib/wctype.in.h, lib/windows-initguard.h, lib/xalloc-die.c, lib/xalloc.h, lib/xalloc-oversized.h, lib/xmalloc.c, lib/xsize.h, m4/00gnulib.m4, m4/absolute-header.m4, m4/alloca.m4, m4/argp.m4, m4/codeset.m4, m4/dirname.m4, m4/double-slash-root.m4, m4/eealloc.m4, m4/errno_h.m4, m4/error.m4, m4/exponentd.m4, m4/extensions.m4, m4/extern-inline.m4, m4/fcntl_h.m4, m4/fcntl-o.m4, m4/float_h.m4, m4/fpending.m4, m4/getopt.m4, m4/getprogname.m4, m4/gettimeofday.m4, m4/gnulib-cache.m4, m4/gnulib-common.m4, m4/gnulib-comp.m4, m4/gnulib-tool.m4, m4/include_next.m4, m4/__inline.m4, m4/intmax_t.m4, m4/inttypes_h.m4, m4/isatty.m4, m4/largefile.m4, m4/limits-h.m4, m4/localcharset.m4, m4/locale-fr.m4, m4/locale-ja.m4, m4/locale-zh.m4, m4/localtime-buffer.m4, m4/lstat.m4, m4/malloca.m4, m4/malloc.m4, m4/math_h.m4, m4/mbrtowc.m4, m4/mbsinit.m4, m4/mbstate_t.m4, m4/memchr.m4, m4/mempcpy.m4, m4/minmax.m4, m4/mkdir.m4, m4/mkstemp.m4, m4/mkstemps.m4, m4/mmap-anon.m4, m4/msvc-inval.m4, m4/msvc-nothrow.m4, m4/multiarch.m4, m4/nocrash.m4, m4/off_t.m4, m4/pathmax.m4, m4/printf.m4, m4/quotearg.m4, m4/quote.m4, m4/rawmemchr.m4, m4/secure_getenv.m4, m4/size_max.m4, m4/sleep.m4, m4/ssize_t.m4, m4/stat.m4, m4/stat-time.m4, m4/stdalign.m4, m4/stdbool.m4, m4/stddef_h.m4, m4/std-gnu11.m4, m4/stdint_h.m4, m4/stdint.m4, m4/stdio_h.m4, m4/stdlib_h.m4, m4/stpcpy.m4, m4/strcase.m4, m4/strchrnul.m4, m4/strerror.m4, m4/string_h.m4, m4/strings_h.m4, m4/strndup.m4, m4/strnlen.m4, m4/strverscmp.m4, m4/sysexits.m4, m4/sys_socket_h.m4, m4/sys_stat_h.m4, m4/sys_time_h.m4, m4/sys_types_h.m4, m4/sys_wait_h.m4, m4/tempname.m4, m4/threadlib.m4, m4/time_h.m4, m4/unistd_h.m4, m4/vasnprintf.m4, m4/vsnprintf.m4, m4/warn-on-use.m4, m4/wchar_h.m4, m4/wchar_t.m4, m4/wctype_h.m4, m4/wint_t.m4, m4/xalloc.m4, m4/xsize.m4: Update. * lib/inttypes.in.h, lib/lc-charset-dispatch.c, lib/lc-charset-dispatch.h, lib/locale.in.h, lib/mbrtowc-impl.h, lib/mbrtowc-impl-utf8.h, lib/mbtowc-lock.c, lib/mbtowc-lock.h, lib/setlocale-lock.c, lib/setlocale_null.c, lib/setlocale_null.h, m4/inttypes.m4, m4/locale_h.m4, m4/setlocale_null.m4, m4/visibility.m4, m4/zzgnulib.m4: New files. --- lib/Makefile.am | 186 +++--- lib/_Noreturn.h | 16 +- lib/alloca.in.h | 2 +- lib/arg-nonnull.h | 2 +- lib/argmatch.c | 2 +- lib/argmatch.h | 2 +- lib/argp-ba.c | 2 +- lib/argp-eexst.c | 2 +- lib/argp-fmtstream.c | 2 +- lib/argp-fmtstream.h | 2 +- lib/argp-fs-xinl.c | 2 +- lib/argp-help.c | 2 +- lib/argp-namefrob.h | 2 +- lib/argp-parse.c | 2 +- lib/argp-pin.c | 2 +- lib/argp-pv.c | 2 +- lib/argp-pvh.c | 2 +- lib/argp-xinl.c | 2 +- lib/argp.h | 2 +- lib/asnprintf.c | 2 +- lib/basename-lgpl.c | 2 +- lib/c++defs.h | 5 +- lib/c-ctype.h | 2 +- lib/c-strcase.h | 2 +- lib/c-strcasecmp.c | 2 +- lib/c-strcaseeq.h | 2 +- lib/c-strncasecmp.c | 2 +- lib/cdefs.h | 2 +- lib/close-stream.c | 2 +- lib/closeout.c | 2 +- lib/closeout.h | 2 +- lib/dirname-lgpl.c | 2 +- lib/dirname.h | 4 +- lib/dosname.h | 52 -- lib/errno.in.h | 2 +- lib/error.c | 2 +- lib/error.h | 2 +- lib/exitfail.c | 2 +- lib/exitfail.h | 2 +- lib/fcntl.in.h | 46 +- lib/filename.h | 90 ++- lib/float+.h | 2 +- lib/float.c | 2 +- lib/float.in.h | 2 +- lib/fpending.c | 2 +- lib/fpending.h | 2 +- lib/getopt-cdefs.in.h | 2 +- lib/getopt-core.h | 2 +- lib/getopt-ext.h | 2 +- lib/getopt-pfx-core.h | 10 +- lib/getopt-pfx-ext.h | 2 +- lib/getopt.c | 2 +- lib/getopt.in.h | 2 +- lib/getopt1.c | 2 +- lib/getopt_int.h | 2 +- lib/getprogname.c | 2 +- lib/getprogname.h | 2 +- lib/gettext.h | 2 +- lib/gettimeofday.c | 2 +- lib/glthread/lock.c | 506 --------------- lib/glthread/lock.h | 666 -------------------- lib/glthread/threadlib.c | 73 --- lib/hard-locale.c | 47 +- lib/hard-locale.h | 7 +- lib/intprops.h | 54 +- lib/inttypes.in.h | 1156 +++++++++++++++++++++++++++++++++++ lib/isatty.c | 2 +- lib/itold.c | 2 +- lib/lc-charset-dispatch.c | 82 +++ lib/lc-charset-dispatch.h | 40 ++ lib/libc-config.h | 15 +- lib/limits.in.h | 2 +- lib/localcharset.c | 91 +-- lib/localcharset.h | 31 +- lib/locale.in.h | 305 +++++++++ lib/localtime-buffer.c | 2 +- lib/localtime-buffer.h | 2 +- lib/lstat.c | 2 +- lib/malloc.c | 2 +- lib/malloca.c | 2 +- lib/malloca.h | 6 +- lib/mbrtowc-impl-utf8.h | 138 +++++ lib/mbrtowc-impl.h | 262 ++++++++ lib/mbrtowc.c | 453 ++------------ lib/mbsinit.c | 11 +- lib/mbtowc-lock.c | 150 +++++ lib/mbtowc-lock.h | 115 ++++ lib/memchr.c | 2 +- lib/memchr.valgrind | 2 +- lib/mempcpy.c | 2 +- lib/minmax.h | 2 +- lib/mkdir.c | 2 +- lib/mkstemp.c | 2 +- lib/mkstemps.c | 2 +- lib/msvc-inval.c | 2 +- lib/msvc-inval.h | 2 +- lib/msvc-nothrow.c | 2 +- lib/msvc-nothrow.h | 2 +- lib/pathmax.h | 4 +- lib/printf-args.c | 6 +- lib/printf-args.h | 14 +- lib/printf-parse.c | 26 +- lib/printf-parse.h | 2 +- lib/progname.c | 2 +- lib/progname.h | 2 +- lib/quote.h | 2 +- lib/quotearg.c | 2 +- lib/quotearg.h | 4 +- lib/rawmemchr.c | 2 +- lib/rawmemchr.valgrind | 2 +- lib/secure_getenv.c | 2 +- lib/setlocale-lock.c | 150 +++++ lib/setlocale_null.c | 411 +++++++++++++ lib/setlocale_null.h | 82 +++ lib/size_max.h | 2 +- lib/sleep.c | 2 +- lib/stat-time.h | 2 +- lib/stat-w32.c | 2 +- lib/stat-w32.h | 2 +- lib/stat.c | 8 +- lib/stdalign.in.h | 4 +- lib/stdbool.in.h | 2 +- lib/stddef.in.h | 33 +- lib/stdint.in.h | 80 ++- lib/stdio-impl.h | 15 +- lib/stdio.in.h | 332 ++++++---- lib/stdlib.in.h | 129 ++-- lib/stpcpy.c | 2 +- lib/strcasecmp.c | 2 +- lib/strchrnul.c | 2 +- lib/strchrnul.valgrind | 2 +- lib/streq.h | 2 +- lib/strerror-override.c | 2 +- lib/strerror-override.h | 2 +- lib/strerror.c | 2 +- lib/string.in.h | 28 +- lib/strings.in.h | 2 +- lib/stripslash.c | 2 +- lib/strncasecmp.c | 2 +- lib/strndup.c | 2 +- lib/strnlen.c | 2 +- lib/strverscmp.c | 2 +- lib/sys_stat.in.h | 69 +-- lib/sys_time.in.h | 8 +- lib/sys_types.in.h | 2 +- lib/sys_wait.in.h | 6 +- lib/sysexits.in.h | 2 +- lib/tempname.c | 2 +- lib/tempname.h | 2 +- lib/time.in.h | 53 +- lib/unistd.in.h | 105 ++-- lib/vasnprintf.c | 27 +- lib/vasnprintf.h | 8 +- lib/verify.h | 39 +- lib/vsnprintf.c | 2 +- lib/warn-on-use.h | 2 +- lib/wchar.in.h | 322 +++++++--- lib/wctype.in.h | 408 ++++++++++--- lib/windows-initguard.h | 2 +- lib/windows-mutex.c | 95 --- lib/windows-mutex.h | 51 -- lib/windows-once.c | 62 -- lib/windows-once.h | 47 -- lib/windows-recmutex.c | 127 ---- lib/windows-recmutex.h | 57 -- lib/windows-rwlock.c | 373 ----------- lib/windows-rwlock.h | 68 --- lib/xalloc-die.c | 2 +- lib/xalloc-oversized.h | 2 +- lib/xalloc.h | 4 +- lib/xmalloc.c | 8 +- lib/xsize.h | 2 +- m4/00gnulib.m4 | 81 ++- m4/__inline.m4 | 2 +- m4/absolute-header.m4 | 2 +- m4/alloca.m4 | 2 +- m4/argp.m4 | 2 +- m4/codeset.m4 | 2 +- m4/dirname.m4 | 2 +- m4/double-slash-root.m4 | 2 +- m4/eealloc.m4 | 2 +- m4/errno_h.m4 | 2 +- m4/error.m4 | 2 +- m4/exponentd.m4 | 2 +- m4/extensions.m4 | 2 +- m4/extern-inline.m4 | 4 +- m4/fcntl-o.m4 | 2 +- m4/fcntl_h.m4 | 6 +- m4/float_h.m4 | 2 +- m4/fpending.m4 | 2 +- m4/getopt.m4 | 10 +- m4/getprogname.m4 | 2 +- m4/gettimeofday.m4 | 8 +- m4/gnulib-cache.m4 | 2 +- m4/gnulib-common.m4 | 61 +- m4/gnulib-comp.m4 | 96 ++- m4/gnulib-tool.m4 | 2 +- m4/host-cpu-c-abi.m4 | 644 ------------------- m4/include_next.m4 | 2 +- m4/intmax_t.m4 | 16 +- m4/inttypes.m4 | 159 +++++ m4/inttypes_h.m4 | 2 +- m4/isatty.m4 | 2 +- m4/largefile.m4 | 27 +- m4/lib-ld.m4 | 168 ----- m4/lib-link.m4 | 774 ----------------------- m4/lib-prefix.m4 | 249 -------- m4/limits-h.m4 | 2 +- m4/localcharset.m4 | 2 +- m4/locale-fr.m4 | 2 +- m4/locale-ja.m4 | 2 +- m4/locale-zh.m4 | 2 +- m4/locale_h.m4 | 158 +++++ m4/localtime-buffer.m4 | 2 +- m4/lock.m4 | 47 -- m4/longlong.m4 | 113 ---- m4/lstat.m4 | 8 +- m4/malloc.m4 | 12 +- m4/malloca.m4 | 5 +- m4/math_h.m4 | 2 +- m4/mbrtowc.m4 | 219 ++++++- m4/mbsinit.m4 | 2 +- m4/mbstate_t.m4 | 2 +- m4/memchr.m4 | 8 +- m4/mempcpy.m4 | 2 +- m4/minmax.m4 | 2 +- m4/mkdir.m4 | 12 +- m4/mkstemp.m4 | 8 +- m4/mkstemps.m4 | 2 +- m4/mmap-anon.m4 | 2 +- m4/msvc-inval.m4 | 2 +- m4/msvc-nothrow.m4 | 2 +- m4/multiarch.m4 | 2 +- m4/nocrash.m4 | 6 +- m4/off_t.m4 | 2 +- m4/pathmax.m4 | 2 +- m4/printf.m4 | 74 ++- m4/pthread_rwlock_rdlock.m4 | 165 ----- m4/quote.m4 | 2 +- m4/quotearg.m4 | 5 +- m4/rawmemchr.m4 | 2 +- m4/secure_getenv.m4 | 2 +- m4/setlocale_null.m4 | 98 +++ m4/size_max.m4 | 2 +- m4/sleep.m4 | 8 +- m4/ssize_t.m4 | 2 +- m4/stat-time.m4 | 2 +- m4/stat.m4 | 8 +- m4/std-gnu11.m4 | 2 +- m4/stdalign.m4 | 2 +- m4/stdbool.m4 | 24 +- m4/stddef_h.m4 | 2 +- m4/stdint.m4 | 25 +- m4/stdint_h.m4 | 2 +- m4/stdio_h.m4 | 6 +- m4/stdlib_h.m4 | 6 +- m4/stpcpy.m4 | 2 +- m4/strcase.m4 | 2 +- m4/strchrnul.m4 | 2 +- m4/strerror.m4 | 12 +- m4/string_h.m4 | 7 +- m4/strings_h.m4 | 2 +- m4/strndup.m4 | 2 +- m4/strnlen.m4 | 2 +- m4/strverscmp.m4 | 2 +- m4/sys_socket_h.m4 | 6 +- m4/sys_stat_h.m4 | 9 +- m4/sys_time_h.m4 | 2 +- m4/sys_types_h.m4 | 2 +- m4/sys_wait_h.m4 | 2 +- m4/sysexits.m4 | 2 +- m4/tempname.m4 | 2 +- m4/threadlib.m4 | 522 ++++++++++++---- m4/time_h.m4 | 8 +- m4/unistd_h.m4 | 15 +- m4/vasnprintf.m4 | 7 +- m4/visibility.m4 | 77 +++ m4/vsnprintf.m4 | 2 +- m4/warn-on-use.m4 | 2 +- m4/wchar_h.m4 | 7 +- m4/wchar_t.m4 | 2 +- m4/wctype_h.m4 | 20 +- m4/wint_t.m4 | 2 +- m4/xalloc.m4 | 2 +- m4/xsize.m4 | 2 +- m4/zzgnulib.m4 | 23 + tools/config.rpath | 684 --------------------- 287 files changed, 6133 insertions(+), 6812 deletions(-) delete mode 100644 lib/dosname.h delete mode 100644 lib/glthread/lock.c delete mode 100644 lib/glthread/lock.h delete mode 100644 lib/glthread/threadlib.c create mode 100644 lib/inttypes.in.h create mode 100644 lib/lc-charset-dispatch.c create mode 100644 lib/lc-charset-dispatch.h create mode 100644 lib/locale.in.h create mode 100644 lib/mbrtowc-impl-utf8.h create mode 100644 lib/mbrtowc-impl.h create mode 100644 lib/mbtowc-lock.c create mode 100644 lib/mbtowc-lock.h create mode 100644 lib/setlocale-lock.c create mode 100644 lib/setlocale_null.c create mode 100644 lib/setlocale_null.h delete mode 100644 lib/windows-mutex.c delete mode 100644 lib/windows-mutex.h delete mode 100644 lib/windows-once.c delete mode 100644 lib/windows-once.h delete mode 100644 lib/windows-recmutex.c delete mode 100644 lib/windows-recmutex.h delete mode 100644 lib/windows-rwlock.c delete mode 100644 lib/windows-rwlock.h delete mode 100644 m4/host-cpu-c-abi.m4 create mode 100644 m4/inttypes.m4 delete mode 100644 m4/lib-ld.m4 delete mode 100644 m4/lib-link.m4 delete mode 100644 m4/lib-prefix.m4 create mode 100644 m4/locale_h.m4 delete mode 100644 m4/lock.m4 delete mode 100644 m4/longlong.m4 delete mode 100644 m4/pthread_rwlock_rdlock.m4 create mode 100644 m4/setlocale_null.m4 create mode 100644 m4/visibility.m4 create mode 100644 m4/zzgnulib.m4 delete mode 100755 tools/config.rpath diff --git a/lib/Makefile.am b/lib/Makefile.am index a5d7b1d24..32581bd32 100644 --- a/lib/Makefile.am +++ b/lib/Makefile.am @@ -1,6 +1,6 @@ ## DO NOT EDIT! GENERATED AUTOMATICALLY! ## Process this file with automake to produce Makefile.in. -# Copyright (C) 2002-2019 Free Software Foundation, Inc. +# Copyright (C) 2002-2020 Free Software Foundation, Inc. # # This file is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by @@ -46,7 +46,7 @@ # strverscmp \ # sys_wait -AUTOMAKE_OPTIONS = 1.11 gnits subdir-objects +AUTOMAKE_OPTIONS = 1.11 gnits SUBDIRS = noinst_HEADERS = @@ -73,8 +73,10 @@ libgnu_la_DEPENDENCIES = $(gl_LTLIBOBJS) EXTRA_libgnu_la_SOURCES = libgnu_la_LDFLAGS = $(AM_LDFLAGS) libgnu_la_LDFLAGS += -no-undefined +libgnu_la_LDFLAGS += $(LIB_HARD_LOCALE) +libgnu_la_LDFLAGS += $(LIB_MBRTOWC) +libgnu_la_LDFLAGS += $(LIB_SETLOCALE_NULL) libgnu_la_LDFLAGS += $(LTLIBINTL) -libgnu_la_LDFLAGS += $(LTLIBTHREAD) ## begin gnulib module absolute-header @@ -176,13 +178,6 @@ EXTRA_DIST += dirname.h ## end gnulib module dirname-lgpl -## begin gnulib module dosname - - -EXTRA_DIST += dosname.h - -## end gnulib module dosname - ## begin gnulib module errno BUILT_SOURCES += $(ERRNO_H) @@ -248,12 +243,14 @@ fcntl.h: fcntl.in.h $(top_builddir)/config.status $(CXXDEFS_H) $(ARG_NONNULL_H) -e 's|@''PRAGMA_SYSTEM_HEADER''@|@PRAGMA_SYSTEM_HEADER@|g' \ -e 's|@''PRAGMA_COLUMNS''@|@PRAGMA_COLUMNS@|g' \ -e 's|@''NEXT_FCNTL_H''@|$(NEXT_FCNTL_H)|g' \ + -e 's/@''GNULIB_CREAT''@/$(GNULIB_CREAT)/g' \ -e 's/@''GNULIB_FCNTL''@/$(GNULIB_FCNTL)/g' \ -e 's/@''GNULIB_NONBLOCKING''@/$(GNULIB_NONBLOCKING)/g' \ -e 's/@''GNULIB_OPEN''@/$(GNULIB_OPEN)/g' \ -e 's/@''GNULIB_OPENAT''@/$(GNULIB_OPENAT)/g' \ -e 's|@''HAVE_FCNTL''@|$(HAVE_FCNTL)|g' \ -e 's|@''HAVE_OPENAT''@|$(HAVE_OPENAT)|g' \ + -e 's|@''REPLACE_CREAT''@|$(REPLACE_CREAT)|g' \ -e 's|@''REPLACE_FCNTL''@|$(REPLACE_FCNTL)|g' \ -e 's|@''REPLACE_OPEN''@|$(REPLACE_OPEN)|g' \ -e 's|@''REPLACE_OPENAT''@|$(REPLACE_OPENAT)|g' \ @@ -381,13 +378,6 @@ EXTRA_DIST += hard-locale.h ## end gnulib module hard-locale -## begin gnulib module havelib - - -EXTRA_DIST += $(top_srcdir)/tools/config.rpath - -## end gnulib module havelib - ## begin gnulib module intprops @@ -395,6 +385,50 @@ EXTRA_DIST += intprops.h ## end gnulib module intprops +## begin gnulib module inttypes-incomplete + +BUILT_SOURCES += inttypes.h + +# We need the following in order to create when the system +# doesn't have one that works with the given compiler. +inttypes.h: inttypes.in.h $(top_builddir)/config.status $(CXXDEFS_H) $(WARN_ON_USE_H) $(ARG_NONNULL_H) + $(AM_V_GEN)rm -f $@-t $@ && \ + { echo '/* DO NOT EDIT! GENERATED AUTOMATICALLY! */'; \ + sed -e 's/@''HAVE_INTTYPES_H''@/$(HAVE_INTTYPES_H)/g' \ + -e 's|@''INCLUDE_NEXT''@|$(INCLUDE_NEXT)|g' \ + -e 's|@''PRAGMA_SYSTEM_HEADER''@|@PRAGMA_SYSTEM_HEADER@|g' \ + -e 's|@''PRAGMA_COLUMNS''@|@PRAGMA_COLUMNS@|g' \ + -e 's|@''NEXT_INTTYPES_H''@|$(NEXT_INTTYPES_H)|g' \ + -e 's/@''PRI_MACROS_BROKEN''@/$(PRI_MACROS_BROKEN)/g' \ + -e 's/@''APPLE_UNIVERSAL_BUILD''@/$(APPLE_UNIVERSAL_BUILD)/g' \ + -e 's/@''PRIPTR_PREFIX''@/$(PRIPTR_PREFIX)/g' \ + -e 's/@''GNULIB_IMAXABS''@/$(GNULIB_IMAXABS)/g' \ + -e 's/@''GNULIB_IMAXDIV''@/$(GNULIB_IMAXDIV)/g' \ + -e 's/@''GNULIB_STRTOIMAX''@/$(GNULIB_STRTOIMAX)/g' \ + -e 's/@''GNULIB_STRTOUMAX''@/$(GNULIB_STRTOUMAX)/g' \ + -e 's/@''HAVE_DECL_IMAXABS''@/$(HAVE_DECL_IMAXABS)/g' \ + -e 's/@''HAVE_DECL_IMAXDIV''@/$(HAVE_DECL_IMAXDIV)/g' \ + -e 's/@''HAVE_DECL_STRTOIMAX''@/$(HAVE_DECL_STRTOIMAX)/g' \ + -e 's/@''HAVE_DECL_STRTOUMAX''@/$(HAVE_DECL_STRTOUMAX)/g' \ + -e 's/@''HAVE_IMAXDIV_T''@/$(HAVE_IMAXDIV_T)/g' \ + -e 's/@''REPLACE_STRTOIMAX''@/$(REPLACE_STRTOIMAX)/g' \ + -e 's/@''REPLACE_STRTOUMAX''@/$(REPLACE_STRTOUMAX)/g' \ + -e 's/@''INT32_MAX_LT_INTMAX_MAX''@/$(INT32_MAX_LT_INTMAX_MAX)/g' \ + -e 's/@''INT64_MAX_EQ_LONG_MAX''@/$(INT64_MAX_EQ_LONG_MAX)/g' \ + -e 's/@''UINT32_MAX_LT_UINTMAX_MAX''@/$(UINT32_MAX_LT_UINTMAX_MAX)/g' \ + -e 's/@''UINT64_MAX_EQ_ULONG_MAX''@/$(UINT64_MAX_EQ_ULONG_MAX)/g' \ + -e '/definitions of _GL_FUNCDECL_RPL/r $(CXXDEFS_H)' \ + -e '/definition of _GL_ARG_NONNULL/r $(ARG_NONNULL_H)' \ + -e '/definition of _GL_WARN_ON_USE/r $(WARN_ON_USE_H)' \ + < $(srcdir)/inttypes.in.h; \ + } > $@-t && \ + mv $@-t $@ +MOSTLYCLEANFILES += inttypes.h inttypes.h-t + +EXTRA_DIST += inttypes.in.h + +## end gnulib module inttypes-incomplete + ## begin gnulib module isatty @@ -447,6 +481,47 @@ EXTRA_DIST += localcharset.h ## end gnulib module localcharset +## begin gnulib module locale + +BUILT_SOURCES += locale.h + +# We need the following in order to create when the system +# doesn't have one that provides all definitions. +locale.h: locale.in.h $(top_builddir)/config.status $(CXXDEFS_H) $(ARG_NONNULL_H) $(WARN_ON_USE_H) + $(AM_V_GEN)rm -f $@-t $@ && \ + { echo '/* DO NOT EDIT! GENERATED AUTOMATICALLY! */' && \ + sed -e 's|@''GUARD_PREFIX''@|GL|g' \ + -e 's|@''INCLUDE_NEXT''@|$(INCLUDE_NEXT)|g' \ + -e 's|@''PRAGMA_SYSTEM_HEADER''@|@PRAGMA_SYSTEM_HEADER@|g' \ + -e 's|@''PRAGMA_COLUMNS''@|@PRAGMA_COLUMNS@|g' \ + -e 's|@''NEXT_LOCALE_H''@|$(NEXT_LOCALE_H)|g' \ + -e 's/@''GNULIB_LOCALECONV''@/$(GNULIB_LOCALECONV)/g' \ + -e 's/@''GNULIB_SETLOCALE''@/$(GNULIB_SETLOCALE)/g' \ + -e 's/@''GNULIB_SETLOCALE_NULL''@/$(GNULIB_SETLOCALE_NULL)/g' \ + -e 's/@''GNULIB_DUPLOCALE''@/$(GNULIB_DUPLOCALE)/g' \ + -e 's/@''GNULIB_LOCALENAME''@/$(GNULIB_LOCALENAME)/g' \ + -e 's|@''HAVE_NEWLOCALE''@|$(HAVE_NEWLOCALE)|g' \ + -e 's|@''HAVE_DUPLOCALE''@|$(HAVE_DUPLOCALE)|g' \ + -e 's|@''HAVE_FREELOCALE''@|$(HAVE_FREELOCALE)|g' \ + -e 's|@''HAVE_XLOCALE_H''@|$(HAVE_XLOCALE_H)|g' \ + -e 's|@''REPLACE_LOCALECONV''@|$(REPLACE_LOCALECONV)|g' \ + -e 's|@''REPLACE_SETLOCALE''@|$(REPLACE_SETLOCALE)|g' \ + -e 's|@''REPLACE_NEWLOCALE''@|$(REPLACE_NEWLOCALE)|g' \ + -e 's|@''REPLACE_DUPLOCALE''@|$(REPLACE_DUPLOCALE)|g' \ + -e 's|@''REPLACE_FREELOCALE''@|$(REPLACE_FREELOCALE)|g' \ + -e 's|@''REPLACE_STRUCT_LCONV''@|$(REPLACE_STRUCT_LCONV)|g' \ + -e '/definitions of _GL_FUNCDECL_RPL/r $(CXXDEFS_H)' \ + -e '/definition of _GL_ARG_NONNULL/r $(ARG_NONNULL_H)' \ + -e '/definition of _GL_WARN_ON_USE/r $(WARN_ON_USE_H)' \ + < $(srcdir)/locale.in.h; \ + } > $@-t && \ + mv $@-t $@ +MOSTLYCLEANFILES += locale.h locale.h-t + +EXTRA_DIST += locale.in.h + +## end gnulib module locale + ## begin gnulib module localtime-buffer @@ -456,12 +531,6 @@ EXTRA_libgnu_la_SOURCES += localtime-buffer.c ## end gnulib module localtime-buffer -## begin gnulib module lock - -libgnu_la_SOURCES += glthread/lock.h glthread/lock.c - -## end gnulib module lock - ## begin gnulib module lstat @@ -500,9 +569,9 @@ EXTRA_DIST += malloca.h ## begin gnulib module mbrtowc -EXTRA_DIST += mbrtowc.c +EXTRA_DIST += lc-charset-dispatch.c lc-charset-dispatch.h mbrtowc-impl-utf8.h mbrtowc-impl.h mbrtowc.c mbtowc-lock.c mbtowc-lock.h windows-initguard.h -EXTRA_libgnu_la_SOURCES += mbrtowc.c +EXTRA_libgnu_la_SOURCES += lc-charset-dispatch.c mbrtowc.c mbtowc-lock.c ## end gnulib module mbrtowc @@ -630,6 +699,16 @@ EXTRA_libgnu_la_SOURCES += secure_getenv.c ## end gnulib module secure_getenv +## begin gnulib module setlocale-null + +libgnu_la_SOURCES += setlocale_null.c + +EXTRA_DIST += setlocale-lock.c setlocale_null.h windows-initguard.h + +EXTRA_libgnu_la_SOURCES += setlocale-lock.c + +## end gnulib module setlocale-null + ## begin gnulib module size_max libgnu_la_SOURCES += size_max.h @@ -809,8 +888,6 @@ stdint.h: stdint.in.h $(top_builddir)/config.status -e 's/@''HAVE_SYS_INTTYPES_H''@/$(HAVE_SYS_INTTYPES_H)/g' \ -e 's/@''HAVE_SYS_BITYPES_H''@/$(HAVE_SYS_BITYPES_H)/g' \ -e 's/@''HAVE_WCHAR_H''@/$(HAVE_WCHAR_H)/g' \ - -e 's/@''HAVE_LONG_LONG_INT''@/$(HAVE_LONG_LONG_INT)/g' \ - -e 's/@''HAVE_UNSIGNED_LONG_LONG_INT''@/$(HAVE_UNSIGNED_LONG_LONG_INT)/g' \ -e 's/@''APPLE_UNIVERSAL_BUILD''@/$(APPLE_UNIVERSAL_BUILD)/g' \ -e 's/@''BITSIZEOF_PTRDIFF_T''@/$(BITSIZEOF_PTRDIFF_T)/g' \ -e 's/@''PTRDIFF_T_SUFFIX''@/$(PTRDIFF_T_SUFFIX)/g' \ @@ -1340,6 +1417,7 @@ sys/stat.h: sys_stat.in.h $(top_builddir)/config.status $(CXXDEFS_H) $(ARG_NONNU -e 's|@''HAVE_MKNOD''@|$(HAVE_MKNOD)|g' \ -e 's|@''HAVE_MKNODAT''@|$(HAVE_MKNODAT)|g' \ -e 's|@''HAVE_UTIMENSAT''@|$(HAVE_UTIMENSAT)|g' \ + -e 's|@''REPLACE_FCHMODAT''@|$(REPLACE_FCHMODAT)|g' \ -e 's|@''REPLACE_FSTAT''@|$(REPLACE_FSTAT)|g' \ -e 's|@''REPLACE_FSTATAT''@|$(REPLACE_FSTATAT)|g' \ -e 's|@''REPLACE_FUTIMENS''@|$(REPLACE_FUTIMENS)|g' \ @@ -1487,14 +1565,6 @@ EXTRA_DIST += tempname.h ## end gnulib module tempname -## begin gnulib module threadlib - -libgnu_la_SOURCES += glthread/threadlib.c - -EXTRA_DIST += $(top_srcdir)/tools/config.rpath - -## end gnulib module threadlib - ## begin gnulib module time BUILT_SOURCES += time.h @@ -1567,6 +1637,7 @@ unistd.h: unistd.in.h $(top_builddir)/config.status $(CXXDEFS_H) $(ARG_NONNULL_H -e 's|@''PRAGMA_COLUMNS''@|@PRAGMA_COLUMNS@|g' \ -e 's|@''NEXT_UNISTD_H''@|$(NEXT_UNISTD_H)|g' \ -e 's|@''WINDOWS_64_BIT_OFF_T''@|$(WINDOWS_64_BIT_OFF_T)|g' \ + -e 's/@''GNULIB_ACCESS''@/$(GNULIB_ACCESS)/g' \ -e 's/@''GNULIB_CHDIR''@/$(GNULIB_CHDIR)/g' \ -e 's/@''GNULIB_CHOWN''@/$(GNULIB_CHOWN)/g' \ -e 's/@''GNULIB_CLOSE''@/$(GNULIB_CLOSE)/g' \ @@ -1589,6 +1660,7 @@ unistd.h: unistd.in.h $(top_builddir)/config.status $(CXXDEFS_H) $(ARG_NONNULL_H -e 's/@''GNULIB_GETHOSTNAME''@/$(GNULIB_GETHOSTNAME)/g' \ -e 's/@''GNULIB_GETLOGIN''@/$(GNULIB_GETLOGIN)/g' \ -e 's/@''GNULIB_GETLOGIN_R''@/$(GNULIB_GETLOGIN_R)/g' \ + -e 's/@''GNULIB_GETOPT_POSIX''@/$(GNULIB_GETOPT_POSIX)/g' \ -e 's/@''GNULIB_GETPAGESIZE''@/$(GNULIB_GETPAGESIZE)/g' \ -e 's/@''GNULIB_GETPASS''@/$(GNULIB_GETPASS)/g' \ -e 's/@''GNULIB_GETUSERSHELL''@/$(GNULIB_GETUSERSHELL)/g' \ @@ -1666,7 +1738,8 @@ unistd.h: unistd.in.h $(top_builddir)/config.status $(CXXDEFS_H) $(ARG_NONNULL_H -e 's|@''HAVE_OS_H''@|$(HAVE_OS_H)|g' \ -e 's|@''HAVE_SYS_PARAM_H''@|$(HAVE_SYS_PARAM_H)|g' \ | \ - sed -e 's|@''REPLACE_CHOWN''@|$(REPLACE_CHOWN)|g' \ + sed -e 's|@''REPLACE_ACCESS''@|$(REPLACE_ACCESS)|g' \ + -e 's|@''REPLACE_CHOWN''@|$(REPLACE_CHOWN)|g' \ -e 's|@''REPLACE_CLOSE''@|$(REPLACE_CLOSE)|g' \ -e 's|@''REPLACE_DUP''@|$(REPLACE_DUP)|g' \ -e 's|@''REPLACE_DUP2''@|$(REPLACE_DUP2)|g' \ @@ -1853,6 +1926,7 @@ wchar.h: wchar.in.h $(top_builddir)/config.status $(CXXDEFS_H) $(ARG_NONNULL_H) -e 's|@''REPLACE_WCWIDTH''@|$(REPLACE_WCWIDTH)|g' \ -e 's|@''REPLACE_WCSWIDTH''@|$(REPLACE_WCSWIDTH)|g' \ -e 's|@''REPLACE_WCSFTIME''@|$(REPLACE_WCSFTIME)|g' \ + -e 's|@''REPLACE_WCSTOK''@|$(REPLACE_WCSTOK)|g' \ -e '/definitions of _GL_FUNCDECL_RPL/r $(CXXDEFS_H)' \ -e '/definition of _GL_ARG_NONNULL/r $(ARG_NONNULL_H)' \ -e '/definition of _GL_WARN_ON_USE/r $(WARN_ON_USE_H)'; \ @@ -1883,6 +1957,8 @@ wctype.h: wctype.in.h $(top_builddir)/config.status $(CXXDEFS_H) $(WARN_ON_USE_H -e 's/@''HAVE_CRTDEFS_H''@/$(HAVE_CRTDEFS_H)/g' \ -e 's/@''GNULIB_OVERRIDES_WINT_T''@/$(GNULIB_OVERRIDES_WINT_T)/g' \ -e 's/@''GNULIB_ISWBLANK''@/$(GNULIB_ISWBLANK)/g' \ + -e 's/@''GNULIB_ISWDIGIT''@/$(GNULIB_ISWDIGIT)/g' \ + -e 's/@''GNULIB_ISWXDIGIT''@/$(GNULIB_ISWXDIGIT)/g' \ -e 's/@''GNULIB_WCTYPE''@/$(GNULIB_WCTYPE)/g' \ -e 's/@''GNULIB_ISWCTYPE''@/$(GNULIB_ISWCTYPE)/g' \ -e 's/@''GNULIB_WCTRANS''@/$(GNULIB_WCTRANS)/g' \ @@ -1893,6 +1969,8 @@ wctype.h: wctype.in.h $(top_builddir)/config.status $(CXXDEFS_H) $(WARN_ON_USE_H -e 's/@''HAVE_WCTRANS_T''@/$(HAVE_WCTRANS_T)/g' \ -e 's/@''HAVE_WINT_T''@/$(HAVE_WINT_T)/g' \ -e 's/@''REPLACE_ISWBLANK''@/$(REPLACE_ISWBLANK)/g' \ + -e 's/@''REPLACE_ISWDIGIT''@/$(REPLACE_ISWDIGIT)/g' \ + -e 's/@''REPLACE_ISWXDIGIT''@/$(REPLACE_ISWXDIGIT)/g' \ -e 's/@''REPLACE_ISWCNTRL''@/$(REPLACE_ISWCNTRL)/g' \ -e 's/@''REPLACE_TOWLOWER''@/$(REPLACE_TOWLOWER)/g' \ -e '/definitions of _GL_FUNCDECL_RPL/r $(CXXDEFS_H)' \ @@ -1906,42 +1984,6 @@ EXTRA_DIST += wctype.in.h ## end gnulib module wctype-h -## begin gnulib module windows-mutex - - -EXTRA_DIST += windows-initguard.h windows-mutex.c windows-mutex.h - -EXTRA_libgnu_la_SOURCES += windows-mutex.c - -## end gnulib module windows-mutex - -## begin gnulib module windows-once - - -EXTRA_DIST += windows-once.c windows-once.h - -EXTRA_libgnu_la_SOURCES += windows-once.c - -## end gnulib module windows-once - -## begin gnulib module windows-recmutex - - -EXTRA_DIST += windows-initguard.h windows-recmutex.c windows-recmutex.h - -EXTRA_libgnu_la_SOURCES += windows-recmutex.c - -## end gnulib module windows-recmutex - -## begin gnulib module windows-rwlock - - -EXTRA_DIST += windows-initguard.h windows-rwlock.c windows-rwlock.h - -EXTRA_libgnu_la_SOURCES += windows-rwlock.c - -## end gnulib module windows-rwlock - ## begin gnulib module xalloc libgnu_la_SOURCES += xmalloc.c diff --git a/lib/_Noreturn.h b/lib/_Noreturn.h index db9b45554..394ca3c2a 100644 --- a/lib/_Noreturn.h +++ b/lib/_Noreturn.h @@ -1,5 +1,5 @@ /* A C macro for declaring that a function does not return. - Copyright (C) 2011-2019 Free Software Foundation, Inc. + Copyright (C) 2011-2020 Free Software Foundation, Inc. This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published @@ -17,11 +17,21 @@ #ifndef _Noreturn # if (defined __cplusplus \ && ((201103 <= __cplusplus && !(__GNUC__ == 4 && __GNUC_MINOR__ == 7)) \ - || (defined _MSC_VER && 1900 <= _MSC_VER))) + || (defined _MSC_VER && 1900 <= _MSC_VER)) \ + && 0) + /* [[noreturn]] is not practically usable, because with it the syntax + extern _Noreturn void func (...); + would not be valid; such a declaration would only be valid with 'extern' + and '_Noreturn' swapped, or without the 'extern' keyword. However, some + AIX system header files and several gnulib header files use precisely + this syntax with 'extern'. */ # define _Noreturn [[noreturn]] # elif ((!defined __cplusplus || defined __clang__) \ && (201112 <= (defined __STDC_VERSION__ ? __STDC_VERSION__ : 0) \ - || 4 < __GNUC__ + (7 <= __GNUC_MINOR__))) + || 4 < __GNUC__ + (7 <= __GNUC_MINOR__) \ + || (defined __apple_build_version__ \ + ? 6000000 <= __apple_build_version__ \ + : 3 < __clang_major__ + (5 <= __clang_minor__)))) /* _Noreturn works as-is. */ # elif 2 < __GNUC__ + (8 <= __GNUC_MINOR__) || 0x5110 <= __SUNPRO_C # define _Noreturn __attribute__ ((__noreturn__)) diff --git a/lib/alloca.in.h b/lib/alloca.in.h index a581d58f8..c7187e66a 100644 --- a/lib/alloca.in.h +++ b/lib/alloca.in.h @@ -1,6 +1,6 @@ /* Memory allocation on the stack. - Copyright (C) 1995, 1999, 2001-2004, 2006-2019 Free Software Foundation, + Copyright (C) 1995, 1999, 2001-2004, 2006-2020 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it diff --git a/lib/arg-nonnull.h b/lib/arg-nonnull.h index ad8c26c22..ac26ca8cf 100644 --- a/lib/arg-nonnull.h +++ b/lib/arg-nonnull.h @@ -1,5 +1,5 @@ /* A C macro for declaring that specific arguments must not be NULL. - Copyright (C) 2009-2019 Free Software Foundation, Inc. + Copyright (C) 2009-2020 Free Software Foundation, Inc. This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published diff --git a/lib/argmatch.c b/lib/argmatch.c index 9eeb4514d..195f90252 100644 --- a/lib/argmatch.c +++ b/lib/argmatch.c @@ -1,6 +1,6 @@ /* argmatch.c -- find a match for a string in an array - Copyright (C) 1990, 1998-1999, 2001-2007, 2009-2019 Free Software + Copyright (C) 1990, 1998-1999, 2001-2007, 2009-2020 Free Software Foundation, Inc. This program is free software: you can redistribute it and/or modify diff --git a/lib/argmatch.h b/lib/argmatch.h index 897fa415d..daa0fdbf3 100644 --- a/lib/argmatch.h +++ b/lib/argmatch.h @@ -1,6 +1,6 @@ /* argmatch.h -- definitions and prototypes for argmatch.c - Copyright (C) 1990, 1998-1999, 2001-2002, 2004-2005, 2009-2019 Free Software + Copyright (C) 1990, 1998-1999, 2001-2002, 2004-2005, 2009-2020 Free Software Foundation, Inc. This program is free software: you can redistribute it and/or modify diff --git a/lib/argp-ba.c b/lib/argp-ba.c index fcf60c82d..db6c0e967 100644 --- a/lib/argp-ba.c +++ b/lib/argp-ba.c @@ -1,5 +1,5 @@ /* Default definition for ARGP_PROGRAM_BUG_ADDRESS. - Copyright (C) 1996-2019 Free Software Foundation, Inc. + Copyright (C) 1996-2020 Free Software Foundation, Inc. This file is part of the GNU C Library. Written by Miles Bader . diff --git a/lib/argp-eexst.c b/lib/argp-eexst.c index 06b025d46..45779e5ce 100644 --- a/lib/argp-eexst.c +++ b/lib/argp-eexst.c @@ -1,5 +1,5 @@ /* Default definition for ARGP_ERR_EXIT_STATUS - Copyright (C) 1997, 2009-2019 Free Software Foundation, Inc. + Copyright (C) 1997, 2009-2020 Free Software Foundation, Inc. This file is part of the GNU C Library. Written by Miles Bader . diff --git a/lib/argp-fmtstream.c b/lib/argp-fmtstream.c index ba6a407f7..870c21cfe 100644 --- a/lib/argp-fmtstream.c +++ b/lib/argp-fmtstream.c @@ -1,5 +1,5 @@ /* Word-wrapping and line-truncating streams - Copyright (C) 1997-2019 Free Software Foundation, Inc. + Copyright (C) 1997-2020 Free Software Foundation, Inc. This file is part of the GNU C Library. Written by Miles Bader . diff --git a/lib/argp-fmtstream.h b/lib/argp-fmtstream.h index 0cc88525e..e7713c4fd 100644 --- a/lib/argp-fmtstream.h +++ b/lib/argp-fmtstream.h @@ -1,5 +1,5 @@ /* Word-wrapping and line-truncating streams. - Copyright (C) 1997-2019 Free Software Foundation, Inc. + Copyright (C) 1997-2020 Free Software Foundation, Inc. This file is part of the GNU C Library. Written by Miles Bader . diff --git a/lib/argp-fs-xinl.c b/lib/argp-fs-xinl.c index a2e843c87..28f002222 100644 --- a/lib/argp-fs-xinl.c +++ b/lib/argp-fs-xinl.c @@ -1,5 +1,5 @@ /* Real definitions for extern inline functions in argp-fmtstream.h - Copyright (C) 1997-2019 Free Software Foundation, Inc. + Copyright (C) 1997-2020 Free Software Foundation, Inc. This file is part of the GNU C Library. Written by Miles Bader . diff --git a/lib/argp-help.c b/lib/argp-help.c index a3d3e981c..02faa60f7 100644 --- a/lib/argp-help.c +++ b/lib/argp-help.c @@ -1,5 +1,5 @@ /* Hierarchical argument parsing help output - Copyright (C) 1995-2019 Free Software Foundation, Inc. + Copyright (C) 1995-2020 Free Software Foundation, Inc. This file is part of the GNU C Library. Written by Miles Bader . diff --git a/lib/argp-namefrob.h b/lib/argp-namefrob.h index 2fb9ac494..022b8800e 100644 --- a/lib/argp-namefrob.h +++ b/lib/argp-namefrob.h @@ -1,5 +1,5 @@ /* Name frobnication for compiling argp outside of glibc - Copyright (C) 1997-2019 Free Software Foundation, Inc. + Copyright (C) 1997-2020 Free Software Foundation, Inc. This file is part of the GNU C Library. Written by Miles Bader . diff --git a/lib/argp-parse.c b/lib/argp-parse.c index 6dec57310..5fe651fc1 100644 --- a/lib/argp-parse.c +++ b/lib/argp-parse.c @@ -1,5 +1,5 @@ /* Hierarchical argument parsing, layered over getopt - Copyright (C) 1995-2019 Free Software Foundation, Inc. + Copyright (C) 1995-2020 Free Software Foundation, Inc. This file is part of the GNU C Library. Written by Miles Bader . diff --git a/lib/argp-pin.c b/lib/argp-pin.c index ece7423e3..9932a8b4d 100644 --- a/lib/argp-pin.c +++ b/lib/argp-pin.c @@ -1,5 +1,5 @@ /* Full and short program names for argp module - Copyright (C) 2005, 2009-2019 Free Software Foundation, Inc. + Copyright (C) 2005, 2009-2020 Free Software Foundation, Inc. This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by diff --git a/lib/argp-pv.c b/lib/argp-pv.c index f76b365ad..a6d118f8a 100644 --- a/lib/argp-pv.c +++ b/lib/argp-pv.c @@ -1,5 +1,5 @@ /* Default definition for ARGP_PROGRAM_VERSION. - Copyright (C) 1996-2019 Free Software Foundation, Inc. + Copyright (C) 1996-2020 Free Software Foundation, Inc. This file is part of the GNU C Library. Written by Miles Bader . diff --git a/lib/argp-pvh.c b/lib/argp-pvh.c index be73e335f..b3d88e4d6 100644 --- a/lib/argp-pvh.c +++ b/lib/argp-pvh.c @@ -1,5 +1,5 @@ /* Default definition for ARGP_PROGRAM_VERSION_HOOK. - Copyright (C) 1996-2019 Free Software Foundation, Inc. + Copyright (C) 1996-2020 Free Software Foundation, Inc. This file is part of the GNU C Library. Written by Miles Bader . diff --git a/lib/argp-xinl.c b/lib/argp-xinl.c index ebc032f6f..a3d3855cb 100644 --- a/lib/argp-xinl.c +++ b/lib/argp-xinl.c @@ -1,5 +1,5 @@ /* Real definitions for extern inline functions in argp.h - Copyright (C) 1997-2019 Free Software Foundation, Inc. + Copyright (C) 1997-2020 Free Software Foundation, Inc. This file is part of the GNU C Library. Written by Miles Bader . diff --git a/lib/argp.h b/lib/argp.h index 9408396e5..2941b94e3 100644 --- a/lib/argp.h +++ b/lib/argp.h @@ -1,5 +1,5 @@ /* Hierarchical argument parsing, layered over getopt. - Copyright (C) 1995-2019 Free Software Foundation, Inc. + Copyright (C) 1995-2020 Free Software Foundation, Inc. This file is part of the GNU C Library. Written by Miles Bader . diff --git a/lib/asnprintf.c b/lib/asnprintf.c index d2a8c0972..37dcf925e 100644 --- a/lib/asnprintf.c +++ b/lib/asnprintf.c @@ -1,5 +1,5 @@ /* Formatted output to strings. - Copyright (C) 1999, 2002, 2006, 2009-2019 Free Software Foundation, Inc. + Copyright (C) 1999, 2002, 2006, 2009-2020 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by diff --git a/lib/basename-lgpl.c b/lib/basename-lgpl.c index 0ae04ee57..565469ea3 100644 --- a/lib/basename-lgpl.c +++ b/lib/basename-lgpl.c @@ -1,6 +1,6 @@ /* basename.c -- return the last element in a file name - Copyright (C) 1990, 1998-2001, 2003-2006, 2009-2019 Free Software + Copyright (C) 1990, 1998-2001, 2003-2006, 2009-2020 Free Software Foundation, Inc. This program is free software: you can redistribute it and/or modify diff --git a/lib/c++defs.h b/lib/c++defs.h index 87d071672..3e6aaabc9 100644 --- a/lib/c++defs.h +++ b/lib/c++defs.h @@ -1,5 +1,5 @@ /* C++ compatible function declaration macros. - Copyright (C) 2010-2019 Free Software Foundation, Inc. + Copyright (C) 2010-2020 Free Software Foundation, Inc. This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published @@ -301,9 +301,6 @@ _GL_WARN_ON_USE_CXX (func, rettype, parameters_and_attributes, \ "The symbol ::" #func " refers to the system function. " \ "Use " #namespace "::" #func " instead.") -# elif __GNUC__ >= 3 && GNULIB_STRICT_CHECKING -# define _GL_CXXALIASWARN1_2(func,rettype,parameters_and_attributes,namespace) \ - extern __typeof__ (func) func # else # define _GL_CXXALIASWARN1_2(func,rettype,parameters_and_attributes,namespace) \ _GL_EXTERN_C int _gl_cxxalias_dummy diff --git a/lib/c-ctype.h b/lib/c-ctype.h index 4d5217638..fbd11b345 100644 --- a/lib/c-ctype.h +++ b/lib/c-ctype.h @@ -5,7 +5,7 @@ functions' behaviour depends on the current locale set via setlocale. - Copyright (C) 2000-2003, 2006, 2008-2019 Free Software Foundation, Inc. + Copyright (C) 2000-2003, 2006, 2008-2020 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by diff --git a/lib/c-strcase.h b/lib/c-strcase.h index b67c9b5da..3b711f5aa 100644 --- a/lib/c-strcase.h +++ b/lib/c-strcase.h @@ -1,5 +1,5 @@ /* Case-insensitive string comparison functions in C locale. - Copyright (C) 1995-1996, 2001, 2003, 2005, 2009-2019 Free Software + Copyright (C) 1995-1996, 2001, 2003, 2005, 2009-2020 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify diff --git a/lib/c-strcasecmp.c b/lib/c-strcasecmp.c index ec50f1abe..951220f3e 100644 --- a/lib/c-strcasecmp.c +++ b/lib/c-strcasecmp.c @@ -1,5 +1,5 @@ /* c-strcasecmp.c -- case insensitive string comparator in C locale - Copyright (C) 1998-1999, 2005-2006, 2009-2019 Free Software Foundation, Inc. + Copyright (C) 1998-1999, 2005-2006, 2009-2020 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by diff --git a/lib/c-strcaseeq.h b/lib/c-strcaseeq.h index bcc81fc38..304c72ea4 100644 --- a/lib/c-strcaseeq.h +++ b/lib/c-strcaseeq.h @@ -1,5 +1,5 @@ /* Optimized case-insensitive string comparison in C locale. - Copyright (C) 2001-2002, 2007, 2009-2019 Free Software Foundation, Inc. + Copyright (C) 2001-2002, 2007, 2009-2020 Free Software Foundation, Inc. This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published diff --git a/lib/c-strncasecmp.c b/lib/c-strncasecmp.c index 513c353f6..9ad49191b 100644 --- a/lib/c-strncasecmp.c +++ b/lib/c-strncasecmp.c @@ -1,5 +1,5 @@ /* c-strncasecmp.c -- case insensitive string comparator in C locale - Copyright (C) 1998-1999, 2005-2006, 2009-2019 Free Software Foundation, Inc. + Copyright (C) 1998-1999, 2005-2006, 2009-2020 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by diff --git a/lib/cdefs.h b/lib/cdefs.h index 96d261641..d8e4a0003 100644 --- a/lib/cdefs.h +++ b/lib/cdefs.h @@ -1,4 +1,4 @@ -/* Copyright (C) 1992-2019 Free Software Foundation, Inc. +/* Copyright (C) 1992-2020 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or diff --git a/lib/close-stream.c b/lib/close-stream.c index 5458c4f29..04bc8009a 100644 --- a/lib/close-stream.c +++ b/lib/close-stream.c @@ -1,6 +1,6 @@ /* Close a stream, with nicer error checking than fclose's. - Copyright (C) 1998-2002, 2004, 2006-2019 Free Software Foundation, Inc. + Copyright (C) 1998-2002, 2004, 2006-2020 Free Software Foundation, Inc. This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by diff --git a/lib/closeout.c b/lib/closeout.c index 4a604ec35..8b92ce947 100644 --- a/lib/closeout.c +++ b/lib/closeout.c @@ -1,6 +1,6 @@ /* Close standard output and standard error, exiting with a diagnostic on error. - Copyright (C) 1998-2002, 2004, 2006, 2008-2019 Free Software Foundation, + Copyright (C) 1998-2002, 2004, 2006, 2008-2020 Free Software Foundation, Inc. This program is free software: you can redistribute it and/or modify diff --git a/lib/closeout.h b/lib/closeout.h index ac89f760a..8294c6268 100644 --- a/lib/closeout.h +++ b/lib/closeout.h @@ -1,6 +1,6 @@ /* Close standard output and standard error. - Copyright (C) 1998, 2000, 2003-2004, 2006, 2008-2019 Free Software + Copyright (C) 1998, 2000, 2003-2004, 2006, 2008-2020 Free Software Foundation, Inc. This program is free software: you can redistribute it and/or modify diff --git a/lib/dirname-lgpl.c b/lib/dirname-lgpl.c index 7cf89d8cf..27d4374c2 100644 --- a/lib/dirname-lgpl.c +++ b/lib/dirname-lgpl.c @@ -1,6 +1,6 @@ /* dirname.c -- return all but the last element in a file name - Copyright (C) 1990, 1998, 2000-2001, 2003-2006, 2009-2019 Free Software + Copyright (C) 1990, 1998, 2000-2001, 2003-2006, 2009-2020 Free Software Foundation, Inc. This program is free software: you can redistribute it and/or modify diff --git a/lib/dirname.h b/lib/dirname.h index 579165947..5379e8e3d 100644 --- a/lib/dirname.h +++ b/lib/dirname.h @@ -1,6 +1,6 @@ /* Take file names apart into directory and base names. - Copyright (C) 1998, 2001, 2003-2006, 2009-2019 Free Software Foundation, + Copyright (C) 1998, 2001, 2003-2006, 2009-2020 Free Software Foundation, Inc. This program is free software: you can redistribute it and/or modify @@ -21,7 +21,7 @@ # include # include -# include "dosname.h" +# include "filename.h" # ifndef DIRECTORY_SEPARATOR # define DIRECTORY_SEPARATOR '/' diff --git a/lib/dosname.h b/lib/dosname.h deleted file mode 100644 index c0ab6848a..000000000 --- a/lib/dosname.h +++ /dev/null @@ -1,52 +0,0 @@ -/* File names on MS-DOS/Windows systems. - - Copyright (C) 2000-2001, 2004-2006, 2009-2019 Free Software Foundation, Inc. - - This program is free software: you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 3 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program. If not, see . - - From Paul Eggert and Jim Meyering. */ - -#ifndef _DOSNAME_H -#define _DOSNAME_H - -#if (defined _WIN32 || defined __CYGWIN__ \ - || defined __EMX__ || defined __MSDOS__ || defined __DJGPP__) - /* This internal macro assumes ASCII, but all hosts that support drive - letters use ASCII. */ -# define _IS_DRIVE_LETTER(C) (((unsigned int) (C) | ('a' - 'A')) - 'a' \ - <= 'z' - 'a') -# define FILE_SYSTEM_PREFIX_LEN(Filename) \ - (_IS_DRIVE_LETTER ((Filename)[0]) && (Filename)[1] == ':' ? 2 : 0) -# ifndef __CYGWIN__ -# define FILE_SYSTEM_DRIVE_PREFIX_CAN_BE_RELATIVE 1 -# endif -# define ISSLASH(C) ((C) == '/' || (C) == '\\') -#else -# define FILE_SYSTEM_PREFIX_LEN(Filename) 0 -# define ISSLASH(C) ((C) == '/') -#endif - -#ifndef FILE_SYSTEM_DRIVE_PREFIX_CAN_BE_RELATIVE -# define FILE_SYSTEM_DRIVE_PREFIX_CAN_BE_RELATIVE 0 -#endif - -#if FILE_SYSTEM_DRIVE_PREFIX_CAN_BE_RELATIVE -# define IS_ABSOLUTE_FILE_NAME(F) ISSLASH ((F)[FILE_SYSTEM_PREFIX_LEN (F)]) -# else -# define IS_ABSOLUTE_FILE_NAME(F) \ - (ISSLASH ((F)[0]) || FILE_SYSTEM_PREFIX_LEN (F) != 0) -#endif -#define IS_RELATIVE_FILE_NAME(F) (! IS_ABSOLUTE_FILE_NAME (F)) - -#endif /* DOSNAME_H_ */ diff --git a/lib/errno.in.h b/lib/errno.in.h index 3bd27f1cc..c27e0c7dd 100644 --- a/lib/errno.in.h +++ b/lib/errno.in.h @@ -1,6 +1,6 @@ /* A POSIX-like . - Copyright (C) 2008-2019 Free Software Foundation, Inc. + Copyright (C) 2008-2020 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by diff --git a/lib/error.c b/lib/error.c index f8ab66896..3657b51cd 100644 --- a/lib/error.c +++ b/lib/error.c @@ -1,5 +1,5 @@ /* Error handler for noninteractive utilities - Copyright (C) 1990-1998, 2000-2007, 2009-2019 Free Software Foundation, Inc. + Copyright (C) 1990-1998, 2000-2007, 2009-2020 Free Software Foundation, Inc. This file is part of the GNU C Library. This program is free software: you can redistribute it and/or modify diff --git a/lib/error.h b/lib/error.h index 3759f8ad4..bad47a16d 100644 --- a/lib/error.h +++ b/lib/error.h @@ -1,5 +1,5 @@ /* Declaration for error-reporting function - Copyright (C) 1995-1997, 2003, 2006, 2008-2019 Free Software Foundation, + Copyright (C) 1995-1997, 2003, 2006, 2008-2020 Free Software Foundation, Inc. This file is part of the GNU C Library. diff --git a/lib/exitfail.c b/lib/exitfail.c index 69b351372..189fa16f4 100644 --- a/lib/exitfail.c +++ b/lib/exitfail.c @@ -1,6 +1,6 @@ /* Failure exit status - Copyright (C) 2002-2003, 2005-2007, 2009-2019 Free Software Foundation, Inc. + Copyright (C) 2002-2003, 2005-2007, 2009-2020 Free Software Foundation, Inc. This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by diff --git a/lib/exitfail.h b/lib/exitfail.h index 480ad1a16..a69a03bbd 100644 --- a/lib/exitfail.h +++ b/lib/exitfail.h @@ -1,6 +1,6 @@ /* Failure exit status - Copyright (C) 2002, 2009-2019 Free Software Foundation, Inc. + Copyright (C) 2002, 2009-2020 Free Software Foundation, Inc. This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by diff --git a/lib/fcntl.in.h b/lib/fcntl.in.h index eb70dc61e..0a21c957b 100644 --- a/lib/fcntl.in.h +++ b/lib/fcntl.in.h @@ -1,6 +1,6 @@ /* Like , but with non-working flags defined to 0. - Copyright (C) 2006-2019 Free Software Foundation, Inc. + Copyright (C) 2006-2020 Free Software Foundation, Inc. This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -39,6 +39,12 @@ #endif #@INCLUDE_NEXT@ @NEXT_FCNTL_H@ +/* Native Windows platforms declare open(), creat() in . */ +#if (@GNULIB_CREAT@ || @GNULIB_OPEN@ || defined GNULIB_POSIXCHECK) \ + && (defined _WIN32 && ! defined __CYGWIN__) +# include +#endif + #else /* Normal invocation convention. */ @@ -59,6 +65,12 @@ /* The include_next requires a split double-inclusion guard. */ #@INCLUDE_NEXT@ @NEXT_FCNTL_H@ +/* Native Windows platforms declare open(), creat() in . */ +#if (@GNULIB_CREAT@ || @GNULIB_OPEN@ || defined GNULIB_POSIXCHECK) \ + && (defined _WIN32 && ! defined __CYGWIN__) +# include +#endif + #ifndef _@GUARD_PREFIX@_FCNTL_H #define _@GUARD_PREFIX@_FCNTL_H @@ -66,12 +78,6 @@ # include #endif -/* Native Windows platforms declare open(), creat() in . */ -#if (@GNULIB_OPEN@ || defined GNULIB_POSIXCHECK) \ - && (defined _WIN32 && ! defined __CYGWIN__) -# include -#endif - /* The definitions of _GL_FUNCDECL_RPL etc. are copied here. */ @@ -82,6 +88,26 @@ /* Declare overridden functions. */ +#if @GNULIB_CREAT@ +# if @REPLACE_CREAT@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# undef creat +# define creat rpl_creat +# endif +_GL_FUNCDECL_RPL (creat, int, (const char *filename, mode_t mode) + _GL_ARG_NONNULL ((1))); +_GL_CXXALIAS_RPL (creat, int, (const char *filename, mode_t mode)); +# else +_GL_CXXALIAS_SYS (creat, int, (const char *filename, mode_t mode)); +# endif +_GL_CXXALIASWARN (creat); +#elif defined GNULIB_POSIXCHECK +# undef creat +/* Assume creat is always declared. */ +_GL_WARN_ON_USE (creat, "creat is not always POSIX compliant - " + "use gnulib module creat for portability"); +#endif + #if @GNULIB_FCNTL@ # if @REPLACE_FCNTL@ # if !(defined __cplusplus && defined GNULIB_NAMESPACE) @@ -90,9 +116,15 @@ # endif _GL_FUNCDECL_RPL (fcntl, int, (int fd, int action, ...)); _GL_CXXALIAS_RPL (fcntl, int, (int fd, int action, ...)); +# if !GNULIB_defined_rpl_fcntl +# define GNULIB_defined_rpl_fcntl 1 +# endif # else # if !@HAVE_FCNTL@ _GL_FUNCDECL_SYS (fcntl, int, (int fd, int action, ...)); +# if !GNULIB_defined_fcntl +# define GNULIB_defined_fcntl 1 +# endif # endif _GL_CXXALIAS_SYS (fcntl, int, (int fd, int action, ...)); # endif diff --git a/lib/filename.h b/lib/filename.h index 3ba31059f..4598fb1d6 100644 --- a/lib/filename.h +++ b/lib/filename.h @@ -1,5 +1,5 @@ /* Basic filename support macros. - Copyright (C) 2001-2004, 2007-2019 Free Software Foundation, Inc. + Copyright (C) 2001-2004, 2007-2020 Free Software Foundation, Inc. This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -14,38 +14,94 @@ You should have received a copy of the GNU General Public License along with this program. If not, see . */ +/* From Paul Eggert and Jim Meyering. */ + #ifndef _FILENAME_H #define _FILENAME_H +#include + #ifdef __cplusplus extern "C" { #endif -/* Pathname support. - ISSLASH(C) tests whether C is a directory separator character. - IS_ABSOLUTE_PATH(P) tests whether P is an absolute path. If it is not, - it may be concatenated to a directory pathname. - IS_PATH_WITH_DIR(P) tests whether P contains a directory specification. +/* Filename support. + ISSLASH(C) tests whether C is a directory separator + character. + HAS_DEVICE(Filename) tests whether Filename contains a device + specification. + FILE_SYSTEM_PREFIX_LEN(Filename) length of the device specification + at the beginning of Filename, + index of the part consisting of + alternating components and slashes. + FILE_SYSTEM_DRIVE_PREFIX_CAN_BE_RELATIVE + 1 when a non-empty device specification + can be followed by an empty or relative + part, + 0 when a non-empty device specification + must be followed by a slash, + 0 when device specification don't exist. + IS_ABSOLUTE_FILE_NAME(Filename) + tests whether Filename is independent of + any notion of "current directory". + IS_RELATIVE_FILE_NAME(Filename) + tests whether Filename may be concatenated + to a directory filename. + Note: On native Windows, OS/2, DOS, "c:" is neither an absolute nor a + relative file name! + IS_FILE_NAME_WITH_DIR(Filename) tests whether Filename contains a device + or directory specification. */ -#if defined _WIN32 || defined __CYGWIN__ || defined __EMX__ || defined __DJGPP__ +#if defined _WIN32 || defined __CYGWIN__ \ + || defined __EMX__ || defined __MSDOS__ || defined __DJGPP__ /* Native Windows, Cygwin, OS/2, DOS */ # define ISSLASH(C) ((C) == '/' || (C) == '\\') -# define HAS_DEVICE(P) \ - ((((P)[0] >= 'A' && (P)[0] <= 'Z') || ((P)[0] >= 'a' && (P)[0] <= 'z')) \ - && (P)[1] == ':') -# define IS_ABSOLUTE_PATH(P) (ISSLASH ((P)[0]) || HAS_DEVICE (P)) -# define IS_PATH_WITH_DIR(P) \ - (strchr (P, '/') != NULL || strchr (P, '\\') != NULL || HAS_DEVICE (P)) -# define FILE_SYSTEM_PREFIX_LEN(P) (HAS_DEVICE (P) ? 2 : 0) + /* Internal macro: Tests whether a character is a drive letter. */ +# define _IS_DRIVE_LETTER(C) \ + (((C) >= 'A' && (C) <= 'Z') || ((C) >= 'a' && (C) <= 'z')) + /* Help the compiler optimizing it. This assumes ASCII. */ +# undef _IS_DRIVE_LETTER +# define _IS_DRIVE_LETTER(C) \ + (((unsigned int) (C) | ('a' - 'A')) - 'a' <= 'z' - 'a') +# define HAS_DEVICE(Filename) \ + (_IS_DRIVE_LETTER ((Filename)[0]) && (Filename)[1] == ':') +# define FILE_SYSTEM_PREFIX_LEN(Filename) (HAS_DEVICE (Filename) ? 2 : 0) +# ifdef __CYGWIN__ +# define FILE_SYSTEM_DRIVE_PREFIX_CAN_BE_RELATIVE 0 +# else + /* On native Windows, OS/2, DOS, the system has the notion of a + "current directory" on each drive. */ +# define FILE_SYSTEM_DRIVE_PREFIX_CAN_BE_RELATIVE 1 +# endif +# if FILE_SYSTEM_DRIVE_PREFIX_CAN_BE_RELATIVE +# define IS_ABSOLUTE_FILE_NAME(Filename) \ + ISSLASH ((Filename)[FILE_SYSTEM_PREFIX_LEN (Filename)]) +# else +# define IS_ABSOLUTE_FILE_NAME(Filename) \ + (ISSLASH ((Filename)[0]) || HAS_DEVICE (Filename)) +# endif +# define IS_RELATIVE_FILE_NAME(Filename) \ + (! (ISSLASH ((Filename)[0]) || HAS_DEVICE (Filename))) +# define IS_FILE_NAME_WITH_DIR(Filename) \ + (strchr ((Filename), '/') != NULL || strchr ((Filename), '\\') != NULL \ + || HAS_DEVICE (Filename)) #else /* Unix */ # define ISSLASH(C) ((C) == '/') -# define IS_ABSOLUTE_PATH(P) ISSLASH ((P)[0]) -# define IS_PATH_WITH_DIR(P) (strchr (P, '/') != NULL) -# define FILE_SYSTEM_PREFIX_LEN(P) 0 +# define HAS_DEVICE(Filename) ((void) (Filename), 0) +# define FILE_SYSTEM_PREFIX_LEN(Filename) ((void) (Filename), 0) +# define FILE_SYSTEM_DRIVE_PREFIX_CAN_BE_RELATIVE 0 +# define IS_ABSOLUTE_FILE_NAME(Filename) ISSLASH ((Filename)[0]) +# define IS_RELATIVE_FILE_NAME(Filename) (! ISSLASH ((Filename)[0])) +# define IS_FILE_NAME_WITH_DIR(Filename) (strchr ((Filename), '/') != NULL) #endif +/* Deprecated macros. For backward compatibility with old users of the + 'filename' module. */ +#define IS_ABSOLUTE_PATH IS_ABSOLUTE_FILE_NAME +#define IS_PATH_WITH_DIR IS_FILE_NAME_WITH_DIR + #ifdef __cplusplus } diff --git a/lib/float+.h b/lib/float+.h index 5af861f7a..1e19a7185 100644 --- a/lib/float+.h +++ b/lib/float+.h @@ -1,5 +1,5 @@ /* Supplemental information about the floating-point formats. - Copyright (C) 2007, 2009-2019 Free Software Foundation, Inc. + Copyright (C) 2007, 2009-2020 Free Software Foundation, Inc. Written by Bruno Haible , 2007. This program is free software; you can redistribute it and/or modify diff --git a/lib/float.c b/lib/float.c index 8872deb59..af20b0a0b 100644 --- a/lib/float.c +++ b/lib/float.c @@ -1,5 +1,5 @@ /* Auxiliary definitions for . - Copyright (C) 2011-2019 Free Software Foundation, Inc. + Copyright (C) 2011-2020 Free Software Foundation, Inc. Written by Bruno Haible , 2011. This program is free software: you can redistribute it and/or modify diff --git a/lib/float.in.h b/lib/float.in.h index ba094a8ef..8e4d47dc0 100644 --- a/lib/float.in.h +++ b/lib/float.in.h @@ -1,6 +1,6 @@ /* A correct . - Copyright (C) 2007-2019 Free Software Foundation, Inc. + Copyright (C) 2007-2020 Free Software Foundation, Inc. This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by diff --git a/lib/fpending.c b/lib/fpending.c index 3c01285bb..802ebcba6 100644 --- a/lib/fpending.c +++ b/lib/fpending.c @@ -1,5 +1,5 @@ /* fpending.c -- return the number of pending output bytes on a stream - Copyright (C) 2000, 2004, 2006-2007, 2009-2019 Free Software Foundation, + Copyright (C) 2000, 2004, 2006-2007, 2009-2020 Free Software Foundation, Inc. This program is free software: you can redistribute it and/or modify diff --git a/lib/fpending.h b/lib/fpending.h index 097a3ef07..a8b885972 100644 --- a/lib/fpending.h +++ b/lib/fpending.h @@ -1,6 +1,6 @@ /* Declare __fpending. - Copyright (C) 2000, 2003, 2005-2006, 2009-2019 Free Software Foundation, + Copyright (C) 2000, 2003, 2005-2006, 2009-2020 Free Software Foundation, Inc. This program is free software: you can redistribute it and/or modify diff --git a/lib/getopt-cdefs.in.h b/lib/getopt-cdefs.in.h index 049145b38..c510ab163 100644 --- a/lib/getopt-cdefs.in.h +++ b/lib/getopt-cdefs.in.h @@ -1,5 +1,5 @@ /* getopt-on-non-glibc compatibility macros. - Copyright (C) 1989-2019 Free Software Foundation, Inc. + Copyright (C) 1989-2020 Free Software Foundation, Inc. This file is part of gnulib. Unlike most of the getopt implementation, it is NOT shared with the GNU C Library. diff --git a/lib/getopt-core.h b/lib/getopt-core.h index 6360ad694..d4d942ef2 100644 --- a/lib/getopt-core.h +++ b/lib/getopt-core.h @@ -1,5 +1,5 @@ /* Declarations for getopt (basic, portable features only). - Copyright (C) 1989-2019 Free Software Foundation, Inc. + Copyright (C) 1989-2020 Free Software Foundation, Inc. This file is part of the GNU C Library and is also part of gnulib. Patches to this file should be submitted to both projects. diff --git a/lib/getopt-ext.h b/lib/getopt-ext.h index 13cb0077b..05f7083ac 100644 --- a/lib/getopt-ext.h +++ b/lib/getopt-ext.h @@ -1,5 +1,5 @@ /* Declarations for getopt (GNU extensions). - Copyright (C) 1989-2019 Free Software Foundation, Inc. + Copyright (C) 1989-2020 Free Software Foundation, Inc. This file is part of the GNU C Library and is also part of gnulib. Patches to this file should be submitted to both projects. diff --git a/lib/getopt-pfx-core.h b/lib/getopt-pfx-core.h index 8fac2691e..ec545c1b5 100644 --- a/lib/getopt-pfx-core.h +++ b/lib/getopt-pfx-core.h @@ -1,5 +1,5 @@ /* getopt (basic, portable features) gnulib wrapper header. - Copyright (C) 1989-2019 Free Software Foundation, Inc. + Copyright (C) 1989-2020 Free Software Foundation, Inc. This file is part of gnulib. Unlike most of the getopt implementation, it is NOT shared with the GNU C Library. @@ -48,6 +48,14 @@ # define optind __GETOPT_ID (optind) # define optopt __GETOPT_ID (optopt) +/* Work around a a problem on macOS, which declares getopt with a + trailing __DARWIN_ALIAS(getopt) that would expand to something like + __asm("_" "rpl_getopt" "$UNIX2003") were it not for the following + hack to suppress the macOS declaration . */ +# ifdef __APPLE__ +# define _GETOPT +# endif + /* The system's getopt.h may have already included getopt-core.h to declare the unprefixed identifiers. Undef _GETOPT_CORE_H so that getopt-core.h declares them with prefixes. */ diff --git a/lib/getopt-pfx-ext.h b/lib/getopt-pfx-ext.h index 0e21aefb0..647fae635 100644 --- a/lib/getopt-pfx-ext.h +++ b/lib/getopt-pfx-ext.h @@ -1,5 +1,5 @@ /* getopt (GNU extensions) gnulib wrapper header. - Copyright (C) 1989-2019 Free Software Foundation, Inc. + Copyright (C) 1989-2020 Free Software Foundation, Inc. This file is part of gnulib. Unlike most of the getopt implementation, it is NOT shared with the GNU C Library. diff --git a/lib/getopt.c b/lib/getopt.c index 8ee075a80..a6389d8ea 100644 --- a/lib/getopt.c +++ b/lib/getopt.c @@ -1,5 +1,5 @@ /* Getopt for GNU. - Copyright (C) 1987-2019 Free Software Foundation, Inc. + Copyright (C) 1987-2020 Free Software Foundation, Inc. This file is part of the GNU C Library and is also part of gnulib. Patches to this file should be submitted to both projects. diff --git a/lib/getopt.in.h b/lib/getopt.in.h index c77f34ce5..36e04bb08 100644 --- a/lib/getopt.in.h +++ b/lib/getopt.in.h @@ -1,5 +1,5 @@ /* Declarations for getopt. - Copyright (C) 1989-2019 Free Software Foundation, Inc. + Copyright (C) 1989-2020 Free Software Foundation, Inc. This file is part of gnulib. Unlike most of the getopt implementation, it is NOT shared with the GNU C Library, which supplies a different version of diff --git a/lib/getopt1.c b/lib/getopt1.c index 883aa6bbc..0902efe68 100644 --- a/lib/getopt1.c +++ b/lib/getopt1.c @@ -1,5 +1,5 @@ /* getopt_long and getopt_long_only entry points for GNU getopt. - Copyright (C) 1987-2019 Free Software Foundation, Inc. + Copyright (C) 1987-2020 Free Software Foundation, Inc. This file is part of the GNU C Library and is also part of gnulib. Patches to this file should be submitted to both projects. diff --git a/lib/getopt_int.h b/lib/getopt_int.h index e63706f60..afcd8a67f 100644 --- a/lib/getopt_int.h +++ b/lib/getopt_int.h @@ -1,5 +1,5 @@ /* Internal declarations for getopt. - Copyright (C) 1989-2019 Free Software Foundation, Inc. + Copyright (C) 1989-2020 Free Software Foundation, Inc. This file is part of the GNU C Library and is also part of gnulib. Patches to this file should be submitted to both projects. diff --git a/lib/getprogname.c b/lib/getprogname.c index de8f49a1b..9f69f5a55 100644 --- a/lib/getprogname.c +++ b/lib/getprogname.c @@ -1,5 +1,5 @@ /* Program name management. - Copyright (C) 2016-2019 Free Software Foundation, Inc. + Copyright (C) 2016-2020 Free Software Foundation, Inc. This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by diff --git a/lib/getprogname.h b/lib/getprogname.h index 1590b38d3..676912b4b 100644 --- a/lib/getprogname.h +++ b/lib/getprogname.h @@ -1,5 +1,5 @@ /* Program name management. - Copyright (C) 2016-2019 Free Software Foundation, Inc. + Copyright (C) 2016-2020 Free Software Foundation, Inc. This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by diff --git a/lib/gettext.h b/lib/gettext.h index bb5b67072..8d4bcca14 100644 --- a/lib/gettext.h +++ b/lib/gettext.h @@ -1,5 +1,5 @@ /* Convenience header for conditional use of GNU . - Copyright (C) 1995-1998, 2000-2002, 2004-2006, 2009-2019 Free Software + Copyright (C) 1995-1998, 2000-2002, 2004-2006, 2009-2020 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify diff --git a/lib/gettimeofday.c b/lib/gettimeofday.c index e728bf473..b63f8f292 100644 --- a/lib/gettimeofday.c +++ b/lib/gettimeofday.c @@ -1,6 +1,6 @@ /* Provide gettimeofday for systems that don't have it or for which it's broken. - Copyright (C) 2001-2003, 2005-2007, 2009-2019 Free Software Foundation, Inc. + Copyright (C) 2001-2003, 2005-2007, 2009-2020 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by diff --git a/lib/glthread/lock.c b/lib/glthread/lock.c deleted file mode 100644 index fefcd596f..000000000 --- a/lib/glthread/lock.c +++ /dev/null @@ -1,506 +0,0 @@ -/* Locking in multithreaded situations. - Copyright (C) 2005-2019 Free Software Foundation, Inc. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 3, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, see . */ - -/* Written by Bruno Haible , 2005. - Based on GCC's gthr-posix.h, gthr-posix95.h. */ - -#include - -#include "glthread/lock.h" - -/* ========================================================================= */ - -#if USE_POSIX_THREADS - -/* -------------------------- gl_lock_t datatype -------------------------- */ - -/* ------------------------- gl_rwlock_t datatype ------------------------- */ - -# if HAVE_PTHREAD_RWLOCK && (HAVE_PTHREAD_RWLOCK_RDLOCK_PREFER_WRITER || (defined PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP && (__GNU_LIBRARY__ > 1))) - -# ifdef PTHREAD_RWLOCK_INITIALIZER - -# if !HAVE_PTHREAD_RWLOCK_RDLOCK_PREFER_WRITER - /* glibc with bug https://sourceware.org/bugzilla/show_bug.cgi?id=13701 */ - -int -glthread_rwlock_init_for_glibc (pthread_rwlock_t *lock) -{ - pthread_rwlockattr_t attributes; - int err; - - err = pthread_rwlockattr_init (&attributes); - if (err != 0) - return err; - /* Note: PTHREAD_RWLOCK_PREFER_WRITER_NONRECURSIVE_NP is the only value that - causes the writer to be preferred. PTHREAD_RWLOCK_PREFER_WRITER_NP does not - do this; see - http://man7.org/linux/man-pages/man3/pthread_rwlockattr_setkind_np.3.html */ - err = pthread_rwlockattr_setkind_np (&attributes, - PTHREAD_RWLOCK_PREFER_WRITER_NONRECURSIVE_NP); - if (err == 0) - err = pthread_rwlock_init(lock, &attributes); - /* pthread_rwlockattr_destroy always returns 0. It cannot influence the - return value. */ - pthread_rwlockattr_destroy (&attributes); - return err; -} - -# endif -# else - -int -glthread_rwlock_init_multithreaded (gl_rwlock_t *lock) -{ - int err; - - err = pthread_rwlock_init (&lock->rwlock, NULL); - if (err != 0) - return err; - lock->initialized = 1; - return 0; -} - -int -glthread_rwlock_rdlock_multithreaded (gl_rwlock_t *lock) -{ - if (!lock->initialized) - { - int err; - - err = pthread_mutex_lock (&lock->guard); - if (err != 0) - return err; - if (!lock->initialized) - { - err = glthread_rwlock_init_multithreaded (lock); - if (err != 0) - { - pthread_mutex_unlock (&lock->guard); - return err; - } - } - err = pthread_mutex_unlock (&lock->guard); - if (err != 0) - return err; - } - return pthread_rwlock_rdlock (&lock->rwlock); -} - -int -glthread_rwlock_wrlock_multithreaded (gl_rwlock_t *lock) -{ - if (!lock->initialized) - { - int err; - - err = pthread_mutex_lock (&lock->guard); - if (err != 0) - return err; - if (!lock->initialized) - { - err = glthread_rwlock_init_multithreaded (lock); - if (err != 0) - { - pthread_mutex_unlock (&lock->guard); - return err; - } - } - err = pthread_mutex_unlock (&lock->guard); - if (err != 0) - return err; - } - return pthread_rwlock_wrlock (&lock->rwlock); -} - -int -glthread_rwlock_unlock_multithreaded (gl_rwlock_t *lock) -{ - if (!lock->initialized) - return EINVAL; - return pthread_rwlock_unlock (&lock->rwlock); -} - -int -glthread_rwlock_destroy_multithreaded (gl_rwlock_t *lock) -{ - int err; - - if (!lock->initialized) - return EINVAL; - err = pthread_rwlock_destroy (&lock->rwlock); - if (err != 0) - return err; - lock->initialized = 0; - return 0; -} - -# endif - -# else - -int -glthread_rwlock_init_multithreaded (gl_rwlock_t *lock) -{ - int err; - - err = pthread_mutex_init (&lock->lock, NULL); - if (err != 0) - return err; - err = pthread_cond_init (&lock->waiting_readers, NULL); - if (err != 0) - return err; - err = pthread_cond_init (&lock->waiting_writers, NULL); - if (err != 0) - return err; - lock->waiting_writers_count = 0; - lock->runcount = 0; - return 0; -} - -int -glthread_rwlock_rdlock_multithreaded (gl_rwlock_t *lock) -{ - int err; - - err = pthread_mutex_lock (&lock->lock); - if (err != 0) - return err; - /* Test whether only readers are currently running, and whether the runcount - field will not overflow, and whether no writer is waiting. The latter - condition is because POSIX recommends that "write locks shall take - precedence over read locks", to avoid "writer starvation". */ - while (!(lock->runcount + 1 > 0 && lock->waiting_writers_count == 0)) - { - /* This thread has to wait for a while. Enqueue it among the - waiting_readers. */ - err = pthread_cond_wait (&lock->waiting_readers, &lock->lock); - if (err != 0) - { - pthread_mutex_unlock (&lock->lock); - return err; - } - } - lock->runcount++; - return pthread_mutex_unlock (&lock->lock); -} - -int -glthread_rwlock_wrlock_multithreaded (gl_rwlock_t *lock) -{ - int err; - - err = pthread_mutex_lock (&lock->lock); - if (err != 0) - return err; - /* Test whether no readers or writers are currently running. */ - while (!(lock->runcount == 0)) - { - /* This thread has to wait for a while. Enqueue it among the - waiting_writers. */ - lock->waiting_writers_count++; - err = pthread_cond_wait (&lock->waiting_writers, &lock->lock); - if (err != 0) - { - lock->waiting_writers_count--; - pthread_mutex_unlock (&lock->lock); - return err; - } - lock->waiting_writers_count--; - } - lock->runcount--; /* runcount becomes -1 */ - return pthread_mutex_unlock (&lock->lock); -} - -int -glthread_rwlock_unlock_multithreaded (gl_rwlock_t *lock) -{ - int err; - - err = pthread_mutex_lock (&lock->lock); - if (err != 0) - return err; - if (lock->runcount < 0) - { - /* Drop a writer lock. */ - if (!(lock->runcount == -1)) - { - pthread_mutex_unlock (&lock->lock); - return EINVAL; - } - lock->runcount = 0; - } - else - { - /* Drop a reader lock. */ - if (!(lock->runcount > 0)) - { - pthread_mutex_unlock (&lock->lock); - return EINVAL; - } - lock->runcount--; - } - if (lock->runcount == 0) - { - /* POSIX recommends that "write locks shall take precedence over read - locks", to avoid "writer starvation". */ - if (lock->waiting_writers_count > 0) - { - /* Wake up one of the waiting writers. */ - err = pthread_cond_signal (&lock->waiting_writers); - if (err != 0) - { - pthread_mutex_unlock (&lock->lock); - return err; - } - } - else - { - /* Wake up all waiting readers. */ - err = pthread_cond_broadcast (&lock->waiting_readers); - if (err != 0) - { - pthread_mutex_unlock (&lock->lock); - return err; - } - } - } - return pthread_mutex_unlock (&lock->lock); -} - -int -glthread_rwlock_destroy_multithreaded (gl_rwlock_t *lock) -{ - int err; - - err = pthread_mutex_destroy (&lock->lock); - if (err != 0) - return err; - err = pthread_cond_destroy (&lock->waiting_readers); - if (err != 0) - return err; - err = pthread_cond_destroy (&lock->waiting_writers); - if (err != 0) - return err; - return 0; -} - -# endif - -/* --------------------- gl_recursive_lock_t datatype --------------------- */ - -# if HAVE_PTHREAD_MUTEX_RECURSIVE - -# if defined PTHREAD_RECURSIVE_MUTEX_INITIALIZER || defined PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP - -int -glthread_recursive_lock_init_multithreaded (gl_recursive_lock_t *lock) -{ - pthread_mutexattr_t attributes; - int err; - - err = pthread_mutexattr_init (&attributes); - if (err != 0) - return err; - err = pthread_mutexattr_settype (&attributes, PTHREAD_MUTEX_RECURSIVE); - if (err != 0) - { - pthread_mutexattr_destroy (&attributes); - return err; - } - err = pthread_mutex_init (lock, &attributes); - if (err != 0) - { - pthread_mutexattr_destroy (&attributes); - return err; - } - err = pthread_mutexattr_destroy (&attributes); - if (err != 0) - return err; - return 0; -} - -# else - -int -glthread_recursive_lock_init_multithreaded (gl_recursive_lock_t *lock) -{ - pthread_mutexattr_t attributes; - int err; - - err = pthread_mutexattr_init (&attributes); - if (err != 0) - return err; - err = pthread_mutexattr_settype (&attributes, PTHREAD_MUTEX_RECURSIVE); - if (err != 0) - { - pthread_mutexattr_destroy (&attributes); - return err; - } - err = pthread_mutex_init (&lock->recmutex, &attributes); - if (err != 0) - { - pthread_mutexattr_destroy (&attributes); - return err; - } - err = pthread_mutexattr_destroy (&attributes); - if (err != 0) - return err; - lock->initialized = 1; - return 0; -} - -int -glthread_recursive_lock_lock_multithreaded (gl_recursive_lock_t *lock) -{ - if (!lock->initialized) - { - int err; - - err = pthread_mutex_lock (&lock->guard); - if (err != 0) - return err; - if (!lock->initialized) - { - err = glthread_recursive_lock_init_multithreaded (lock); - if (err != 0) - { - pthread_mutex_unlock (&lock->guard); - return err; - } - } - err = pthread_mutex_unlock (&lock->guard); - if (err != 0) - return err; - } - return pthread_mutex_lock (&lock->recmutex); -} - -int -glthread_recursive_lock_unlock_multithreaded (gl_recursive_lock_t *lock) -{ - if (!lock->initialized) - return EINVAL; - return pthread_mutex_unlock (&lock->recmutex); -} - -int -glthread_recursive_lock_destroy_multithreaded (gl_recursive_lock_t *lock) -{ - int err; - - if (!lock->initialized) - return EINVAL; - err = pthread_mutex_destroy (&lock->recmutex); - if (err != 0) - return err; - lock->initialized = 0; - return 0; -} - -# endif - -# else - -int -glthread_recursive_lock_init_multithreaded (gl_recursive_lock_t *lock) -{ - int err; - - err = pthread_mutex_init (&lock->mutex, NULL); - if (err != 0) - return err; - lock->owner = (pthread_t) 0; - lock->depth = 0; - return 0; -} - -int -glthread_recursive_lock_lock_multithreaded (gl_recursive_lock_t *lock) -{ - pthread_t self = pthread_self (); - if (lock->owner != self) - { - int err; - - err = pthread_mutex_lock (&lock->mutex); - if (err != 0) - return err; - lock->owner = self; - } - if (++(lock->depth) == 0) /* wraparound? */ - { - lock->depth--; - return EAGAIN; - } - return 0; -} - -int -glthread_recursive_lock_unlock_multithreaded (gl_recursive_lock_t *lock) -{ - if (lock->owner != pthread_self ()) - return EPERM; - if (lock->depth == 0) - return EINVAL; - if (--(lock->depth) == 0) - { - lock->owner = (pthread_t) 0; - return pthread_mutex_unlock (&lock->mutex); - } - else - return 0; -} - -int -glthread_recursive_lock_destroy_multithreaded (gl_recursive_lock_t *lock) -{ - if (lock->owner != (pthread_t) 0) - return EBUSY; - return pthread_mutex_destroy (&lock->mutex); -} - -# endif - -/* -------------------------- gl_once_t datatype -------------------------- */ - -static const pthread_once_t fresh_once = PTHREAD_ONCE_INIT; - -int -glthread_once_singlethreaded (pthread_once_t *once_control) -{ - /* We don't know whether pthread_once_t is an integer type, a floating-point - type, a pointer type, or a structure type. */ - char *firstbyte = (char *)once_control; - if (*firstbyte == *(const char *)&fresh_once) - { - /* First time use of once_control. Invert the first byte. */ - *firstbyte = ~ *(const char *)&fresh_once; - return 1; - } - else - return 0; -} - -#endif - -/* ========================================================================= */ - -#if USE_WINDOWS_THREADS - -#endif - -/* ========================================================================= */ diff --git a/lib/glthread/lock.h b/lib/glthread/lock.h deleted file mode 100644 index a92c2a834..000000000 --- a/lib/glthread/lock.h +++ /dev/null @@ -1,666 +0,0 @@ -/* Locking in multithreaded situations. - Copyright (C) 2005-2019 Free Software Foundation, Inc. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 3, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, see . */ - -/* Written by Bruno Haible , 2005. - Based on GCC's gthr-posix.h, gthr-posix95.h, gthr-win32.h. */ - -/* This file contains locking primitives for use with a given thread library. - It does not contain primitives for creating threads or for other - synchronization primitives. - - Normal (non-recursive) locks: - Type: gl_lock_t - Declaration: gl_lock_define(extern, name) - Initializer: gl_lock_define_initialized(, name) - Initialization: gl_lock_init (name); - Taking the lock: gl_lock_lock (name); - Releasing the lock: gl_lock_unlock (name); - De-initialization: gl_lock_destroy (name); - Equivalent functions with control of error handling: - Initialization: err = glthread_lock_init (&name); - Taking the lock: err = glthread_lock_lock (&name); - Releasing the lock: err = glthread_lock_unlock (&name); - De-initialization: err = glthread_lock_destroy (&name); - - Read-Write (non-recursive) locks: - Type: gl_rwlock_t - Declaration: gl_rwlock_define(extern, name) - Initializer: gl_rwlock_define_initialized(, name) - Initialization: gl_rwlock_init (name); - Taking the lock: gl_rwlock_rdlock (name); - gl_rwlock_wrlock (name); - Releasing the lock: gl_rwlock_unlock (name); - De-initialization: gl_rwlock_destroy (name); - Equivalent functions with control of error handling: - Initialization: err = glthread_rwlock_init (&name); - Taking the lock: err = glthread_rwlock_rdlock (&name); - err = glthread_rwlock_wrlock (&name); - Releasing the lock: err = glthread_rwlock_unlock (&name); - De-initialization: err = glthread_rwlock_destroy (&name); - - Recursive locks: - Type: gl_recursive_lock_t - Declaration: gl_recursive_lock_define(extern, name) - Initializer: gl_recursive_lock_define_initialized(, name) - Initialization: gl_recursive_lock_init (name); - Taking the lock: gl_recursive_lock_lock (name); - Releasing the lock: gl_recursive_lock_unlock (name); - De-initialization: gl_recursive_lock_destroy (name); - Equivalent functions with control of error handling: - Initialization: err = glthread_recursive_lock_init (&name); - Taking the lock: err = glthread_recursive_lock_lock (&name); - Releasing the lock: err = glthread_recursive_lock_unlock (&name); - De-initialization: err = glthread_recursive_lock_destroy (&name); - - Once-only execution: - Type: gl_once_t - Initializer: gl_once_define(extern, name) - Execution: gl_once (name, initfunction); - Equivalent functions with control of error handling: - Execution: err = glthread_once (&name, initfunction); -*/ - - -#ifndef _LOCK_H -#define _LOCK_H - -#include -#include - -#if !defined c11_threads_in_use -# if HAVE_THREADS_H && USE_POSIX_THREADS_WEAK -# include -# pragma weak thrd_exit -# define c11_threads_in_use() (thrd_exit != NULL) -# else -# define c11_threads_in_use() 0 -# endif -#endif - -/* ========================================================================= */ - -#if USE_POSIX_THREADS - -/* Use the POSIX threads library. */ - -# include - -# ifdef __cplusplus -extern "C" { -# endif - -# if PTHREAD_IN_USE_DETECTION_HARD - -/* The pthread_in_use() detection needs to be done at runtime. */ -# define pthread_in_use() \ - glthread_in_use () -extern int glthread_in_use (void); - -# endif - -# if USE_POSIX_THREADS_WEAK - -/* Use weak references to the POSIX threads library. */ - -/* Weak references avoid dragging in external libraries if the other parts - of the program don't use them. Here we use them, because we don't want - every program that uses libintl to depend on libpthread. This assumes - that libpthread would not be loaded after libintl; i.e. if libintl is - loaded first, by an executable that does not depend on libpthread, and - then a module is dynamically loaded that depends on libpthread, libintl - will not be multithread-safe. */ - -/* The way to test at runtime whether libpthread is present is to test - whether a function pointer's value, such as &pthread_mutex_init, is - non-NULL. However, some versions of GCC have a bug through which, in - PIC mode, &foo != NULL always evaluates to true if there is a direct - call to foo(...) in the same function. To avoid this, we test the - address of a function in libpthread that we don't use. */ - -# pragma weak pthread_mutex_init -# pragma weak pthread_mutex_lock -# pragma weak pthread_mutex_unlock -# pragma weak pthread_mutex_destroy -# pragma weak pthread_rwlock_init -# pragma weak pthread_rwlock_rdlock -# pragma weak pthread_rwlock_wrlock -# pragma weak pthread_rwlock_unlock -# pragma weak pthread_rwlock_destroy -# pragma weak pthread_once -# pragma weak pthread_cond_init -# pragma weak pthread_cond_wait -# pragma weak pthread_cond_signal -# pragma weak pthread_cond_broadcast -# pragma weak pthread_cond_destroy -# pragma weak pthread_mutexattr_init -# pragma weak pthread_mutexattr_settype -# pragma weak pthread_mutexattr_destroy -# pragma weak pthread_rwlockattr_init -# if __GNU_LIBRARY__ > 1 -# pragma weak pthread_rwlockattr_setkind_np -# endif -# pragma weak pthread_rwlockattr_destroy -# ifndef pthread_self -# pragma weak pthread_self -# endif - -# if !PTHREAD_IN_USE_DETECTION_HARD - /* Considering all platforms with USE_POSIX_THREADS_WEAK, only few symbols - can be used to determine whether libpthread is in use. These are: - pthread_mutexattr_gettype - pthread_rwlockattr_destroy - pthread_rwlockattr_init - */ -# pragma weak pthread_mutexattr_gettype -# define pthread_in_use() \ - (pthread_mutexattr_gettype != NULL || c11_threads_in_use ()) -# endif - -# else - -# if !PTHREAD_IN_USE_DETECTION_HARD -# define pthread_in_use() 1 -# endif - -# endif - -/* -------------------------- gl_lock_t datatype -------------------------- */ - -typedef pthread_mutex_t gl_lock_t; -# define gl_lock_define(STORAGECLASS, NAME) \ - STORAGECLASS pthread_mutex_t NAME; -# define gl_lock_define_initialized(STORAGECLASS, NAME) \ - STORAGECLASS pthread_mutex_t NAME = gl_lock_initializer; -# define gl_lock_initializer \ - PTHREAD_MUTEX_INITIALIZER -# define glthread_lock_init(LOCK) \ - (pthread_in_use () ? pthread_mutex_init (LOCK, NULL) : 0) -# define glthread_lock_lock(LOCK) \ - (pthread_in_use () ? pthread_mutex_lock (LOCK) : 0) -# define glthread_lock_unlock(LOCK) \ - (pthread_in_use () ? pthread_mutex_unlock (LOCK) : 0) -# define glthread_lock_destroy(LOCK) \ - (pthread_in_use () ? pthread_mutex_destroy (LOCK) : 0) - -/* ------------------------- gl_rwlock_t datatype ------------------------- */ - -# if HAVE_PTHREAD_RWLOCK && (HAVE_PTHREAD_RWLOCK_RDLOCK_PREFER_WRITER || (defined PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP && (__GNU_LIBRARY__ > 1))) - -# ifdef PTHREAD_RWLOCK_INITIALIZER - -typedef pthread_rwlock_t gl_rwlock_t; -# define gl_rwlock_define(STORAGECLASS, NAME) \ - STORAGECLASS pthread_rwlock_t NAME; -# define gl_rwlock_define_initialized(STORAGECLASS, NAME) \ - STORAGECLASS pthread_rwlock_t NAME = gl_rwlock_initializer; -# if HAVE_PTHREAD_RWLOCK_RDLOCK_PREFER_WRITER -# define gl_rwlock_initializer \ - PTHREAD_RWLOCK_INITIALIZER -# define glthread_rwlock_init(LOCK) \ - (pthread_in_use () ? pthread_rwlock_init (LOCK, NULL) : 0) -# else /* glibc with bug https://sourceware.org/bugzilla/show_bug.cgi?id=13701 */ -# define gl_rwlock_initializer \ - PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP -# define glthread_rwlock_init(LOCK) \ - (pthread_in_use () ? glthread_rwlock_init_for_glibc (LOCK) : 0) -extern int glthread_rwlock_init_for_glibc (pthread_rwlock_t *lock); -# endif -# define glthread_rwlock_rdlock(LOCK) \ - (pthread_in_use () ? pthread_rwlock_rdlock (LOCK) : 0) -# define glthread_rwlock_wrlock(LOCK) \ - (pthread_in_use () ? pthread_rwlock_wrlock (LOCK) : 0) -# define glthread_rwlock_unlock(LOCK) \ - (pthread_in_use () ? pthread_rwlock_unlock (LOCK) : 0) -# define glthread_rwlock_destroy(LOCK) \ - (pthread_in_use () ? pthread_rwlock_destroy (LOCK) : 0) - -# else - -typedef struct - { - int initialized; - pthread_mutex_t guard; /* protects the initialization */ - pthread_rwlock_t rwlock; /* read-write lock */ - } - gl_rwlock_t; -# define gl_rwlock_define(STORAGECLASS, NAME) \ - STORAGECLASS gl_rwlock_t NAME; -# define gl_rwlock_define_initialized(STORAGECLASS, NAME) \ - STORAGECLASS gl_rwlock_t NAME = gl_rwlock_initializer; -# define gl_rwlock_initializer \ - { 0, PTHREAD_MUTEX_INITIALIZER } -# define glthread_rwlock_init(LOCK) \ - (pthread_in_use () ? glthread_rwlock_init_multithreaded (LOCK) : 0) -# define glthread_rwlock_rdlock(LOCK) \ - (pthread_in_use () ? glthread_rwlock_rdlock_multithreaded (LOCK) : 0) -# define glthread_rwlock_wrlock(LOCK) \ - (pthread_in_use () ? glthread_rwlock_wrlock_multithreaded (LOCK) : 0) -# define glthread_rwlock_unlock(LOCK) \ - (pthread_in_use () ? glthread_rwlock_unlock_multithreaded (LOCK) : 0) -# define glthread_rwlock_destroy(LOCK) \ - (pthread_in_use () ? glthread_rwlock_destroy_multithreaded (LOCK) : 0) -extern int glthread_rwlock_init_multithreaded (gl_rwlock_t *lock); -extern int glthread_rwlock_rdlock_multithreaded (gl_rwlock_t *lock); -extern int glthread_rwlock_wrlock_multithreaded (gl_rwlock_t *lock); -extern int glthread_rwlock_unlock_multithreaded (gl_rwlock_t *lock); -extern int glthread_rwlock_destroy_multithreaded (gl_rwlock_t *lock); - -# endif - -# else - -typedef struct - { - pthread_mutex_t lock; /* protects the remaining fields */ - pthread_cond_t waiting_readers; /* waiting readers */ - pthread_cond_t waiting_writers; /* waiting writers */ - unsigned int waiting_writers_count; /* number of waiting writers */ - int runcount; /* number of readers running, or -1 when a writer runs */ - } - gl_rwlock_t; -# define gl_rwlock_define(STORAGECLASS, NAME) \ - STORAGECLASS gl_rwlock_t NAME; -# define gl_rwlock_define_initialized(STORAGECLASS, NAME) \ - STORAGECLASS gl_rwlock_t NAME = gl_rwlock_initializer; -# define gl_rwlock_initializer \ - { PTHREAD_MUTEX_INITIALIZER, PTHREAD_COND_INITIALIZER, PTHREAD_COND_INITIALIZER, 0, 0 } -# define glthread_rwlock_init(LOCK) \ - (pthread_in_use () ? glthread_rwlock_init_multithreaded (LOCK) : 0) -# define glthread_rwlock_rdlock(LOCK) \ - (pthread_in_use () ? glthread_rwlock_rdlock_multithreaded (LOCK) : 0) -# define glthread_rwlock_wrlock(LOCK) \ - (pthread_in_use () ? glthread_rwlock_wrlock_multithreaded (LOCK) : 0) -# define glthread_rwlock_unlock(LOCK) \ - (pthread_in_use () ? glthread_rwlock_unlock_multithreaded (LOCK) : 0) -# define glthread_rwlock_destroy(LOCK) \ - (pthread_in_use () ? glthread_rwlock_destroy_multithreaded (LOCK) : 0) -extern int glthread_rwlock_init_multithreaded (gl_rwlock_t *lock); -extern int glthread_rwlock_rdlock_multithreaded (gl_rwlock_t *lock); -extern int glthread_rwlock_wrlock_multithreaded (gl_rwlock_t *lock); -extern int glthread_rwlock_unlock_multithreaded (gl_rwlock_t *lock); -extern int glthread_rwlock_destroy_multithreaded (gl_rwlock_t *lock); - -# endif - -/* --------------------- gl_recursive_lock_t datatype --------------------- */ - -# if HAVE_PTHREAD_MUTEX_RECURSIVE - -# if defined PTHREAD_RECURSIVE_MUTEX_INITIALIZER || defined PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP - -typedef pthread_mutex_t gl_recursive_lock_t; -# define gl_recursive_lock_define(STORAGECLASS, NAME) \ - STORAGECLASS pthread_mutex_t NAME; -# define gl_recursive_lock_define_initialized(STORAGECLASS, NAME) \ - STORAGECLASS pthread_mutex_t NAME = gl_recursive_lock_initializer; -# ifdef PTHREAD_RECURSIVE_MUTEX_INITIALIZER -# define gl_recursive_lock_initializer \ - PTHREAD_RECURSIVE_MUTEX_INITIALIZER -# else -# define gl_recursive_lock_initializer \ - PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP -# endif -# define glthread_recursive_lock_init(LOCK) \ - (pthread_in_use () ? glthread_recursive_lock_init_multithreaded (LOCK) : 0) -# define glthread_recursive_lock_lock(LOCK) \ - (pthread_in_use () ? pthread_mutex_lock (LOCK) : 0) -# define glthread_recursive_lock_unlock(LOCK) \ - (pthread_in_use () ? pthread_mutex_unlock (LOCK) : 0) -# define glthread_recursive_lock_destroy(LOCK) \ - (pthread_in_use () ? pthread_mutex_destroy (LOCK) : 0) -extern int glthread_recursive_lock_init_multithreaded (gl_recursive_lock_t *lock); - -# else - -typedef struct - { - pthread_mutex_t recmutex; /* recursive mutex */ - pthread_mutex_t guard; /* protects the initialization */ - int initialized; - } - gl_recursive_lock_t; -# define gl_recursive_lock_define(STORAGECLASS, NAME) \ - STORAGECLASS gl_recursive_lock_t NAME; -# define gl_recursive_lock_define_initialized(STORAGECLASS, NAME) \ - STORAGECLASS gl_recursive_lock_t NAME = gl_recursive_lock_initializer; -# define gl_recursive_lock_initializer \ - { PTHREAD_MUTEX_INITIALIZER, PTHREAD_MUTEX_INITIALIZER, 0 } -# define glthread_recursive_lock_init(LOCK) \ - (pthread_in_use () ? glthread_recursive_lock_init_multithreaded (LOCK) : 0) -# define glthread_recursive_lock_lock(LOCK) \ - (pthread_in_use () ? glthread_recursive_lock_lock_multithreaded (LOCK) : 0) -# define glthread_recursive_lock_unlock(LOCK) \ - (pthread_in_use () ? glthread_recursive_lock_unlock_multithreaded (LOCK) : 0) -# define glthread_recursive_lock_destroy(LOCK) \ - (pthread_in_use () ? glthread_recursive_lock_destroy_multithreaded (LOCK) : 0) -extern int glthread_recursive_lock_init_multithreaded (gl_recursive_lock_t *lock); -extern int glthread_recursive_lock_lock_multithreaded (gl_recursive_lock_t *lock); -extern int glthread_recursive_lock_unlock_multithreaded (gl_recursive_lock_t *lock); -extern int glthread_recursive_lock_destroy_multithreaded (gl_recursive_lock_t *lock); - -# endif - -# else - -/* Old versions of POSIX threads on Solaris did not have recursive locks. - We have to implement them ourselves. */ - -typedef struct - { - pthread_mutex_t mutex; - pthread_t owner; - unsigned long depth; - } - gl_recursive_lock_t; -# define gl_recursive_lock_define(STORAGECLASS, NAME) \ - STORAGECLASS gl_recursive_lock_t NAME; -# define gl_recursive_lock_define_initialized(STORAGECLASS, NAME) \ - STORAGECLASS gl_recursive_lock_t NAME = gl_recursive_lock_initializer; -# define gl_recursive_lock_initializer \ - { PTHREAD_MUTEX_INITIALIZER, (pthread_t) 0, 0 } -# define glthread_recursive_lock_init(LOCK) \ - (pthread_in_use () ? glthread_recursive_lock_init_multithreaded (LOCK) : 0) -# define glthread_recursive_lock_lock(LOCK) \ - (pthread_in_use () ? glthread_recursive_lock_lock_multithreaded (LOCK) : 0) -# define glthread_recursive_lock_unlock(LOCK) \ - (pthread_in_use () ? glthread_recursive_lock_unlock_multithreaded (LOCK) : 0) -# define glthread_recursive_lock_destroy(LOCK) \ - (pthread_in_use () ? glthread_recursive_lock_destroy_multithreaded (LOCK) : 0) -extern int glthread_recursive_lock_init_multithreaded (gl_recursive_lock_t *lock); -extern int glthread_recursive_lock_lock_multithreaded (gl_recursive_lock_t *lock); -extern int glthread_recursive_lock_unlock_multithreaded (gl_recursive_lock_t *lock); -extern int glthread_recursive_lock_destroy_multithreaded (gl_recursive_lock_t *lock); - -# endif - -/* -------------------------- gl_once_t datatype -------------------------- */ - -typedef pthread_once_t gl_once_t; -# define gl_once_define(STORAGECLASS, NAME) \ - STORAGECLASS pthread_once_t NAME = PTHREAD_ONCE_INIT; -# define glthread_once(ONCE_CONTROL, INITFUNCTION) \ - (pthread_in_use () \ - ? pthread_once (ONCE_CONTROL, INITFUNCTION) \ - : (glthread_once_singlethreaded (ONCE_CONTROL) ? (INITFUNCTION (), 0) : 0)) -extern int glthread_once_singlethreaded (pthread_once_t *once_control); - -# ifdef __cplusplus -} -# endif - -#endif - -/* ========================================================================= */ - -#if USE_WINDOWS_THREADS - -# define WIN32_LEAN_AND_MEAN /* avoid including junk */ -# include - -# include "windows-mutex.h" -# include "windows-rwlock.h" -# include "windows-recmutex.h" -# include "windows-once.h" - -# ifdef __cplusplus -extern "C" { -# endif - -/* We can use CRITICAL_SECTION directly, rather than the native Windows Event, - Mutex, Semaphore types, because - - we need only to synchronize inside a single process (address space), - not inter-process locking, - - we don't need to support trylock operations. (TryEnterCriticalSection - does not work on Windows 95/98/ME. Packages that need trylock usually - define their own mutex type.) */ - -/* There is no way to statically initialize a CRITICAL_SECTION. It needs - to be done lazily, once only. For this we need spinlocks. */ - -/* -------------------------- gl_lock_t datatype -------------------------- */ - -typedef glwthread_mutex_t gl_lock_t; -# define gl_lock_define(STORAGECLASS, NAME) \ - STORAGECLASS gl_lock_t NAME; -# define gl_lock_define_initialized(STORAGECLASS, NAME) \ - STORAGECLASS gl_lock_t NAME = gl_lock_initializer; -# define gl_lock_initializer \ - GLWTHREAD_MUTEX_INIT -# define glthread_lock_init(LOCK) \ - (glwthread_mutex_init (LOCK), 0) -# define glthread_lock_lock(LOCK) \ - glwthread_mutex_lock (LOCK) -# define glthread_lock_unlock(LOCK) \ - glwthread_mutex_unlock (LOCK) -# define glthread_lock_destroy(LOCK) \ - glwthread_mutex_destroy (LOCK) - -/* ------------------------- gl_rwlock_t datatype ------------------------- */ - -typedef glwthread_rwlock_t gl_rwlock_t; -# define gl_rwlock_define(STORAGECLASS, NAME) \ - STORAGECLASS gl_rwlock_t NAME; -# define gl_rwlock_define_initialized(STORAGECLASS, NAME) \ - STORAGECLASS gl_rwlock_t NAME = gl_rwlock_initializer; -# define gl_rwlock_initializer \ - GLWTHREAD_RWLOCK_INIT -# define glthread_rwlock_init(LOCK) \ - (glwthread_rwlock_init (LOCK), 0) -# define glthread_rwlock_rdlock(LOCK) \ - glwthread_rwlock_rdlock (LOCK) -# define glthread_rwlock_wrlock(LOCK) \ - glwthread_rwlock_wrlock (LOCK) -# define glthread_rwlock_unlock(LOCK) \ - glwthread_rwlock_unlock (LOCK) -# define glthread_rwlock_destroy(LOCK) \ - glwthread_rwlock_destroy (LOCK) - -/* --------------------- gl_recursive_lock_t datatype --------------------- */ - -typedef glwthread_recmutex_t gl_recursive_lock_t; -# define gl_recursive_lock_define(STORAGECLASS, NAME) \ - STORAGECLASS gl_recursive_lock_t NAME; -# define gl_recursive_lock_define_initialized(STORAGECLASS, NAME) \ - STORAGECLASS gl_recursive_lock_t NAME = gl_recursive_lock_initializer; -# define gl_recursive_lock_initializer \ - GLWTHREAD_RECMUTEX_INIT -# define glthread_recursive_lock_init(LOCK) \ - (glwthread_recmutex_init (LOCK), 0) -# define glthread_recursive_lock_lock(LOCK) \ - glwthread_recmutex_lock (LOCK) -# define glthread_recursive_lock_unlock(LOCK) \ - glwthread_recmutex_unlock (LOCK) -# define glthread_recursive_lock_destroy(LOCK) \ - glwthread_recmutex_destroy (LOCK) - -/* -------------------------- gl_once_t datatype -------------------------- */ - -typedef glwthread_once_t gl_once_t; -# define gl_once_define(STORAGECLASS, NAME) \ - STORAGECLASS gl_once_t NAME = GLWTHREAD_ONCE_INIT; -# define glthread_once(ONCE_CONTROL, INITFUNCTION) \ - (glwthread_once (ONCE_CONTROL, INITFUNCTION), 0) - -# ifdef __cplusplus -} -# endif - -#endif - -/* ========================================================================= */ - -#if !(USE_POSIX_THREADS || USE_WINDOWS_THREADS) - -/* Provide dummy implementation if threads are not supported. */ - -/* -------------------------- gl_lock_t datatype -------------------------- */ - -typedef int gl_lock_t; -# define gl_lock_define(STORAGECLASS, NAME) -# define gl_lock_define_initialized(STORAGECLASS, NAME) -# define glthread_lock_init(NAME) 0 -# define glthread_lock_lock(NAME) 0 -# define glthread_lock_unlock(NAME) 0 -# define glthread_lock_destroy(NAME) 0 - -/* ------------------------- gl_rwlock_t datatype ------------------------- */ - -typedef int gl_rwlock_t; -# define gl_rwlock_define(STORAGECLASS, NAME) -# define gl_rwlock_define_initialized(STORAGECLASS, NAME) -# define glthread_rwlock_init(NAME) 0 -# define glthread_rwlock_rdlock(NAME) 0 -# define glthread_rwlock_wrlock(NAME) 0 -# define glthread_rwlock_unlock(NAME) 0 -# define glthread_rwlock_destroy(NAME) 0 - -/* --------------------- gl_recursive_lock_t datatype --------------------- */ - -typedef int gl_recursive_lock_t; -# define gl_recursive_lock_define(STORAGECLASS, NAME) -# define gl_recursive_lock_define_initialized(STORAGECLASS, NAME) -# define glthread_recursive_lock_init(NAME) 0 -# define glthread_recursive_lock_lock(NAME) 0 -# define glthread_recursive_lock_unlock(NAME) 0 -# define glthread_recursive_lock_destroy(NAME) 0 - -/* -------------------------- gl_once_t datatype -------------------------- */ - -typedef int gl_once_t; -# define gl_once_define(STORAGECLASS, NAME) \ - STORAGECLASS gl_once_t NAME = 0; -# define glthread_once(ONCE_CONTROL, INITFUNCTION) \ - (*(ONCE_CONTROL) == 0 ? (*(ONCE_CONTROL) = ~ 0, INITFUNCTION (), 0) : 0) - -#endif - -/* ========================================================================= */ - -/* Macros with built-in error handling. */ - -/* -------------------------- gl_lock_t datatype -------------------------- */ - -#define gl_lock_init(NAME) \ - do \ - { \ - if (glthread_lock_init (&NAME)) \ - abort (); \ - } \ - while (0) -#define gl_lock_lock(NAME) \ - do \ - { \ - if (glthread_lock_lock (&NAME)) \ - abort (); \ - } \ - while (0) -#define gl_lock_unlock(NAME) \ - do \ - { \ - if (glthread_lock_unlock (&NAME)) \ - abort (); \ - } \ - while (0) -#define gl_lock_destroy(NAME) \ - do \ - { \ - if (glthread_lock_destroy (&NAME)) \ - abort (); \ - } \ - while (0) - -/* ------------------------- gl_rwlock_t datatype ------------------------- */ - -#define gl_rwlock_init(NAME) \ - do \ - { \ - if (glthread_rwlock_init (&NAME)) \ - abort (); \ - } \ - while (0) -#define gl_rwlock_rdlock(NAME) \ - do \ - { \ - if (glthread_rwlock_rdlock (&NAME)) \ - abort (); \ - } \ - while (0) -#define gl_rwlock_wrlock(NAME) \ - do \ - { \ - if (glthread_rwlock_wrlock (&NAME)) \ - abort (); \ - } \ - while (0) -#define gl_rwlock_unlock(NAME) \ - do \ - { \ - if (glthread_rwlock_unlock (&NAME)) \ - abort (); \ - } \ - while (0) -#define gl_rwlock_destroy(NAME) \ - do \ - { \ - if (glthread_rwlock_destroy (&NAME)) \ - abort (); \ - } \ - while (0) - -/* --------------------- gl_recursive_lock_t datatype --------------------- */ - -#define gl_recursive_lock_init(NAME) \ - do \ - { \ - if (glthread_recursive_lock_init (&NAME)) \ - abort (); \ - } \ - while (0) -#define gl_recursive_lock_lock(NAME) \ - do \ - { \ - if (glthread_recursive_lock_lock (&NAME)) \ - abort (); \ - } \ - while (0) -#define gl_recursive_lock_unlock(NAME) \ - do \ - { \ - if (glthread_recursive_lock_unlock (&NAME)) \ - abort (); \ - } \ - while (0) -#define gl_recursive_lock_destroy(NAME) \ - do \ - { \ - if (glthread_recursive_lock_destroy (&NAME)) \ - abort (); \ - } \ - while (0) - -/* -------------------------- gl_once_t datatype -------------------------- */ - -#define gl_once(NAME, INITFUNCTION) \ - do \ - { \ - if (glthread_once (&NAME, INITFUNCTION)) \ - abort (); \ - } \ - while (0) - -/* ========================================================================= */ - -#endif /* _LOCK_H */ diff --git a/lib/glthread/threadlib.c b/lib/glthread/threadlib.c deleted file mode 100644 index a5ebd9bfe..000000000 --- a/lib/glthread/threadlib.c +++ /dev/null @@ -1,73 +0,0 @@ -/* Multithreading primitives. - Copyright (C) 2005-2019 Free Software Foundation, Inc. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 3, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, see . */ - -/* Written by Bruno Haible , 2005. */ - -#include - -/* ========================================================================= */ - -#if USE_POSIX_THREADS - -/* Use the POSIX threads library. */ - -# include -# include - -# if PTHREAD_IN_USE_DETECTION_HARD - -/* The function to be executed by a dummy thread. */ -static void * -dummy_thread_func (void *arg) -{ - return arg; -} - -int -glthread_in_use (void) -{ - static int tested; - static int result; /* 1: linked with -lpthread, 0: only with libc */ - - if (!tested) - { - pthread_t thread; - - if (pthread_create (&thread, NULL, dummy_thread_func, NULL) != 0) - /* Thread creation failed. */ - result = 0; - else - { - /* Thread creation works. */ - void *retval; - if (pthread_join (thread, &retval) != 0) - abort (); - result = 1; - } - tested = 1; - } - return result; -} - -# endif - -#endif - -/* ========================================================================= */ - -/* This declaration is solely to ensure that after preprocessing - this file is never empty. */ -typedef int dummy; diff --git a/lib/hard-locale.c b/lib/hard-locale.c index dcfcad62e..730e9be6e 100644 --- a/lib/hard-locale.c +++ b/lib/hard-locale.c @@ -1,6 +1,6 @@ /* hard-locale.c -- Determine whether a locale is hard. - Copyright (C) 1997-1999, 2002-2004, 2006-2007, 2009-2019 Free Software + Copyright (C) 1997-1999, 2002-2004, 2006-2007, 2009-2020 Free Software Foundation, Inc. This program is free software: you can redistribute it and/or modify @@ -21,52 +21,15 @@ #include "hard-locale.h" #include -#include #include -#ifdef __GLIBC__ -# define GLIBC_VERSION __GLIBC__ -#elif defined __UCLIBC__ -# define GLIBC_VERSION 2 -#else -# define GLIBC_VERSION 0 -#endif - -/* Return true if the current CATEGORY locale is hard, i.e. if you - can't get away with assuming traditional C or POSIX behavior. */ bool hard_locale (int category) { - bool hard = true; - char const *p = setlocale (category, NULL); + char locale[SETLOCALE_NULL_MAX]; - if (p) - { - if (2 <= GLIBC_VERSION) - { - if (strcmp (p, "C") == 0 || strcmp (p, "POSIX") == 0) - hard = false; - } - else - { - char *locale = strdup (p); - if (locale) - { - /* Temporarily set the locale to the "C" and "POSIX" locales - to find their names, so that we can determine whether one - or the other is the caller's locale. */ - if (((p = setlocale (category, "C")) - && strcmp (p, locale) == 0) - || ((p = setlocale (category, "POSIX")) - && strcmp (p, locale) == 0)) - hard = false; + if (setlocale_null_r (category, locale, sizeof (locale))) + return false; - /* Restore the caller's locale. */ - setlocale (category, locale); - free (locale); - } - } - } - - return hard; + return !(strcmp (locale, "C") == 0 || strcmp (locale, "POSIX") == 0); } diff --git a/lib/hard-locale.h b/lib/hard-locale.h index 8f1da96e2..1886eaae9 100644 --- a/lib/hard-locale.h +++ b/lib/hard-locale.h @@ -1,6 +1,6 @@ /* Determine whether a locale is hard. - Copyright (C) 1999, 2003-2004, 2009-2019 Free Software Foundation, Inc. + Copyright (C) 1999, 2003-2004, 2009-2020 Free Software Foundation, Inc. This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -20,6 +20,9 @@ # include -bool hard_locale (int); +/* Return true if the specified CATEGORY of the current locale is hard, i.e. + different from the C or POSIX locale that has a fixed behavior. + CATEGORY must be one of the LC_* values, but not LC_ALL. */ +extern bool hard_locale (int category); #endif /* HARD_LOCALE_H_ */ diff --git a/lib/intprops.h b/lib/intprops.h index 412f23e4f..dfbcaae73 100644 --- a/lib/intprops.h +++ b/lib/intprops.h @@ -1,6 +1,6 @@ /* intprops.h -- properties of integer types - Copyright (C) 2001-2019 Free Software Foundation, Inc. + Copyright (C) 2001-2020 Free Software Foundation, Inc. This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published @@ -22,19 +22,6 @@ #include -/* If the compiler lacks __has_builtin, define it well enough for this - source file only. */ -#ifndef __has_builtin -# define __has_builtin(x) _GL_HAS_##x -# if 5 <= __GNUC__ && !defined __ICC -# define _GL_HAS___builtin_add_overflow 1 -# else -# define _GL_HAS___builtin_add_overflow 0 -# endif -# define _GL_HAS___builtin_mul_overflow _GL_HAS___builtin_add_overflow -# define _GL_TEMPDEF___has_builtin -#endif - /* Return a value with the common real type of E and V and the value of V. Do not evaluate E. */ #define _GL_INT_CONVERT(e, v) ((1 ? 0 : (e)) + (v)) @@ -235,19 +222,20 @@ /* True if __builtin_add_overflow (A, B, P) and __builtin_sub_overflow (A, B, P) work when P is non-null. */ -#if __has_builtin (__builtin_add_overflow) +#if 5 <= __GNUC__ && !defined __ICC # define _GL_HAS_BUILTIN_ADD_OVERFLOW 1 +#elif defined __has_builtin +# define _GL_HAS_BUILTIN_ADD_OVERFLOW __has_builtin (__builtin_add_overflow) #else # define _GL_HAS_BUILTIN_ADD_OVERFLOW 0 #endif -/* True if __builtin_mul_overflow (A, B, P) works when P is non-null. - Work around Clang bug . */ -#if (__has_builtin (__builtin_mul_overflow) \ - && (!defined __clang__ || (defined __APPLE__ && defined __MACH__))) -# define _GL_HAS_BUILTIN_MUL_OVERFLOW 1 -#else +/* True if __builtin_mul_overflow (A, B, P) works when P is non-null. */ +#ifdef __clang__ +/* Work around Clang bug . */ # define _GL_HAS_BUILTIN_MUL_OVERFLOW 0 +#else +# define _GL_HAS_BUILTIN_MUL_OVERFLOW _GL_HAS_BUILTIN_ADD_OVERFLOW #endif /* True if __builtin_add_overflow_p (A, B, C) works, and similarly for @@ -385,12 +373,17 @@ _GL_INT_OP_WRAPV (a, b, r, -, _GL_INT_SUBTRACT_RANGE_OVERFLOW) #endif #if _GL_HAS_BUILTIN_MUL_OVERFLOW -/* Work around GCC bug 91450. */ -# define INT_MULTIPLY_WRAPV(a, b, r) \ - ((!_GL_SIGNED_TYPE_OR_EXPR (*(r)) && EXPR_SIGNED (a) && EXPR_SIGNED (b) \ - && _GL_INT_MULTIPLY_RANGE_OVERFLOW (a, b, 0, (__typeof__ (*(r))) -1)) \ - ? ((void) __builtin_mul_overflow (a, b, r), 1) \ - : __builtin_mul_overflow (a, b, r)) +# if (9 < __GNUC__ + (3 <= __GNUC_MINOR__) \ + || (__GNUC__ == 8 && 4 <= __GNUC_MINOR__)) +# define INT_MULTIPLY_WRAPV(a, b, r) __builtin_mul_overflow (a, b, r) +# else + /* Work around GCC bug 91450. */ +# define INT_MULTIPLY_WRAPV(a, b, r) \ + ((!_GL_SIGNED_TYPE_OR_EXPR (*(r)) && EXPR_SIGNED (a) && EXPR_SIGNED (b) \ + && _GL_INT_MULTIPLY_RANGE_OVERFLOW (a, b, 0, (__typeof__ (*(r))) -1)) \ + ? ((void) __builtin_mul_overflow (a, b, r), 1) \ + : __builtin_mul_overflow (a, b, r)) +# endif #else # define INT_MULTIPLY_WRAPV(a, b, r) \ _GL_INT_OP_WRAPV (a, b, r, *, _GL_INT_MULTIPLY_RANGE_OVERFLOW) @@ -588,11 +581,4 @@ : (tmin) / (a) < (b)) \ : (tmax) / (b) < (a))) -#ifdef _GL_TEMPDEF___has_builtin -# undef __has_builtin -# undef _GL_HAS___builtin_add_overflow -# undef _GL_HAS___builtin_mul_overflow -# undef _GL_TEMPDEF___has_builtin -#endif - #endif /* _GL_INTPROPS_H */ diff --git a/lib/inttypes.in.h b/lib/inttypes.in.h new file mode 100644 index 000000000..9f04a6ced --- /dev/null +++ b/lib/inttypes.in.h @@ -0,0 +1,1156 @@ +/* Copyright (C) 2006-2020 Free Software Foundation, Inc. + Written by Paul Eggert, Bruno Haible, Derek Price. + This file is part of gnulib. + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see . */ + +/* + * ISO C 99 for platforms that lack it. + * + */ + +#if __GNUC__ >= 3 +@PRAGMA_SYSTEM_HEADER@ +#endif +@PRAGMA_COLUMNS@ + +/* Include the original if it exists, and if this file + has not been included yet or if this file includes gnulib stdint.h + which in turn includes this file. + The include_next requires a split double-inclusion guard. */ +#if ! defined INTTYPES_H || defined _GL_JUST_INCLUDE_SYSTEM_INTTYPES_H +# if @HAVE_INTTYPES_H@ + + /* Some pre-C++11 implementations need this. */ +# if defined __cplusplus && ! defined __STDC_FORMAT_MACROS +# define __STDC_FORMAT_MACROS 1 +# endif + +# @INCLUDE_NEXT@ @NEXT_INTTYPES_H@ + +# define _GL_FINISHED_INCLUDING_SYSTEM_INTTYPES_H +# endif +#endif + +#if ! defined INTTYPES_H && ! defined _GL_JUST_INCLUDE_SYSTEM_INTTYPES_H +#define INTTYPES_H + +/* Include or the gnulib replacement. + But avoid namespace pollution on glibc systems. */ +#ifndef __GLIBC__ +# include +#endif +/* Get CHAR_BIT, INT_MAX, LONG_MAX, etc. */ +#include +/* On mingw, __USE_MINGW_ANSI_STDIO only works if is also included */ +#if defined _WIN32 && ! defined __CYGWIN__ +# include +#endif + +#if !(INT_MAX == 0x7fffffff && INT_MIN + INT_MAX == -1) +# error "This file assumes that 'int' is 32-bit two's complement. Please report your platform and compiler to ." +#endif + +/* The definitions of _GL_FUNCDECL_RPL etc. are copied here. */ + +/* The definition of _GL_ARG_NONNULL is copied here. */ + +/* The definition of _GL_WARN_ON_USE is copied here. */ + +/* 7.8.1 Macros for format specifiers */ + +#if defined _TNS_R_TARGET + /* Tandem NonStop R series and compatible platforms released before + July 2005 support %Ld but not %lld. */ +# define _LONG_LONG_FORMAT_PREFIX "L" +#else +# define _LONG_LONG_FORMAT_PREFIX "ll" +#endif + +#if !defined PRId8 || @PRI_MACROS_BROKEN@ +# undef PRId8 +# ifdef INT8_MAX +# define PRId8 "d" +# endif +#endif +#if !defined PRIi8 || @PRI_MACROS_BROKEN@ +# undef PRIi8 +# ifdef INT8_MAX +# define PRIi8 "i" +# endif +#endif +#if !defined PRIo8 || @PRI_MACROS_BROKEN@ +# undef PRIo8 +# ifdef UINT8_MAX +# define PRIo8 "o" +# endif +#endif +#if !defined PRIu8 || @PRI_MACROS_BROKEN@ +# undef PRIu8 +# ifdef UINT8_MAX +# define PRIu8 "u" +# endif +#endif +#if !defined PRIx8 || @PRI_MACROS_BROKEN@ +# undef PRIx8 +# ifdef UINT8_MAX +# define PRIx8 "x" +# endif +#endif +#if !defined PRIX8 || @PRI_MACROS_BROKEN@ +# undef PRIX8 +# ifdef UINT8_MAX +# define PRIX8 "X" +# endif +#endif +#if !defined PRId16 || @PRI_MACROS_BROKEN@ +# undef PRId16 +# ifdef INT16_MAX +# define PRId16 "d" +# endif +#endif +#if !defined PRIi16 || @PRI_MACROS_BROKEN@ +# undef PRIi16 +# ifdef INT16_MAX +# define PRIi16 "i" +# endif +#endif +#if !defined PRIo16 || @PRI_MACROS_BROKEN@ +# undef PRIo16 +# ifdef UINT16_MAX +# define PRIo16 "o" +# endif +#endif +#if !defined PRIu16 || @PRI_MACROS_BROKEN@ +# undef PRIu16 +# ifdef UINT16_MAX +# define PRIu16 "u" +# endif +#endif +#if !defined PRIx16 || @PRI_MACROS_BROKEN@ +# undef PRIx16 +# ifdef UINT16_MAX +# define PRIx16 "x" +# endif +#endif +#if !defined PRIX16 || @PRI_MACROS_BROKEN@ +# undef PRIX16 +# ifdef UINT16_MAX +# define PRIX16 "X" +# endif +#endif +#if !defined PRId32 || @PRI_MACROS_BROKEN@ +# undef PRId32 +# ifdef INT32_MAX +# define PRId32 "d" +# endif +#endif +#if !defined PRIi32 || @PRI_MACROS_BROKEN@ +# undef PRIi32 +# ifdef INT32_MAX +# define PRIi32 "i" +# endif +#endif +#if !defined PRIo32 || @PRI_MACROS_BROKEN@ +# undef PRIo32 +# ifdef UINT32_MAX +# define PRIo32 "o" +# endif +#endif +#if !defined PRIu32 || @PRI_MACROS_BROKEN@ +# undef PRIu32 +# ifdef UINT32_MAX +# define PRIu32 "u" +# endif +#endif +#if !defined PRIx32 || @PRI_MACROS_BROKEN@ +# undef PRIx32 +# ifdef UINT32_MAX +# define PRIx32 "x" +# endif +#endif +#if !defined PRIX32 || @PRI_MACROS_BROKEN@ +# undef PRIX32 +# ifdef UINT32_MAX +# define PRIX32 "X" +# endif +#endif +#ifdef INT64_MAX +# if (@APPLE_UNIVERSAL_BUILD@ ? defined _LP64 : @INT64_MAX_EQ_LONG_MAX@) +# define _PRI64_PREFIX "l" +# elif defined _MSC_VER || defined __MINGW32__ +# define _PRI64_PREFIX "I64" +# elif LONG_MAX >> 30 == 1 +# define _PRI64_PREFIX _LONG_LONG_FORMAT_PREFIX +# endif +# if !defined PRId64 || @PRI_MACROS_BROKEN@ +# undef PRId64 +# define PRId64 _PRI64_PREFIX "d" +# endif +# if !defined PRIi64 || @PRI_MACROS_BROKEN@ +# undef PRIi64 +# define PRIi64 _PRI64_PREFIX "i" +# endif +#endif +#ifdef UINT64_MAX +# if (@APPLE_UNIVERSAL_BUILD@ ? defined _LP64 : @UINT64_MAX_EQ_ULONG_MAX@) +# define _PRIu64_PREFIX "l" +# elif defined _MSC_VER || defined __MINGW32__ +# define _PRIu64_PREFIX "I64" +# elif ULONG_MAX >> 31 == 1 +# define _PRIu64_PREFIX _LONG_LONG_FORMAT_PREFIX +# endif +# if !defined PRIo64 || @PRI_MACROS_BROKEN@ +# undef PRIo64 +# define PRIo64 _PRIu64_PREFIX "o" +# endif +# if !defined PRIu64 || @PRI_MACROS_BROKEN@ +# undef PRIu64 +# define PRIu64 _PRIu64_PREFIX "u" +# endif +# if !defined PRIx64 || @PRI_MACROS_BROKEN@ +# undef PRIx64 +# define PRIx64 _PRIu64_PREFIX "x" +# endif +# if !defined PRIX64 || @PRI_MACROS_BROKEN@ +# undef PRIX64 +# define PRIX64 _PRIu64_PREFIX "X" +# endif +#endif + +#if !defined PRIdLEAST8 || @PRI_MACROS_BROKEN@ +# undef PRIdLEAST8 +# define PRIdLEAST8 "d" +#endif +#if !defined PRIiLEAST8 || @PRI_MACROS_BROKEN@ +# undef PRIiLEAST8 +# define PRIiLEAST8 "i" +#endif +#if !defined PRIoLEAST8 || @PRI_MACROS_BROKEN@ +# undef PRIoLEAST8 +# define PRIoLEAST8 "o" +#endif +#if !defined PRIuLEAST8 || @PRI_MACROS_BROKEN@ +# undef PRIuLEAST8 +# define PRIuLEAST8 "u" +#endif +#if !defined PRIxLEAST8 || @PRI_MACROS_BROKEN@ +# undef PRIxLEAST8 +# define PRIxLEAST8 "x" +#endif +#if !defined PRIXLEAST8 || @PRI_MACROS_BROKEN@ +# undef PRIXLEAST8 +# define PRIXLEAST8 "X" +#endif +#if !defined PRIdLEAST16 || @PRI_MACROS_BROKEN@ +# undef PRIdLEAST16 +# define PRIdLEAST16 "d" +#endif +#if !defined PRIiLEAST16 || @PRI_MACROS_BROKEN@ +# undef PRIiLEAST16 +# define PRIiLEAST16 "i" +#endif +#if !defined PRIoLEAST16 || @PRI_MACROS_BROKEN@ +# undef PRIoLEAST16 +# define PRIoLEAST16 "o" +#endif +#if !defined PRIuLEAST16 || @PRI_MACROS_BROKEN@ +# undef PRIuLEAST16 +# define PRIuLEAST16 "u" +#endif +#if !defined PRIxLEAST16 || @PRI_MACROS_BROKEN@ +# undef PRIxLEAST16 +# define PRIxLEAST16 "x" +#endif +#if !defined PRIXLEAST16 || @PRI_MACROS_BROKEN@ +# undef PRIXLEAST16 +# define PRIXLEAST16 "X" +#endif +#if !defined PRIdLEAST32 || @PRI_MACROS_BROKEN@ +# undef PRIdLEAST32 +# define PRIdLEAST32 "d" +#endif +#if !defined PRIiLEAST32 || @PRI_MACROS_BROKEN@ +# undef PRIiLEAST32 +# define PRIiLEAST32 "i" +#endif +#if !defined PRIoLEAST32 || @PRI_MACROS_BROKEN@ +# undef PRIoLEAST32 +# define PRIoLEAST32 "o" +#endif +#if !defined PRIuLEAST32 || @PRI_MACROS_BROKEN@ +# undef PRIuLEAST32 +# define PRIuLEAST32 "u" +#endif +#if !defined PRIxLEAST32 || @PRI_MACROS_BROKEN@ +# undef PRIxLEAST32 +# define PRIxLEAST32 "x" +#endif +#if !defined PRIXLEAST32 || @PRI_MACROS_BROKEN@ +# undef PRIXLEAST32 +# define PRIXLEAST32 "X" +#endif +#ifdef INT64_MAX +# if !defined PRIdLEAST64 || @PRI_MACROS_BROKEN@ +# undef PRIdLEAST64 +# define PRIdLEAST64 PRId64 +# endif +# if !defined PRIiLEAST64 || @PRI_MACROS_BROKEN@ +# undef PRIiLEAST64 +# define PRIiLEAST64 PRIi64 +# endif +#endif +#ifdef UINT64_MAX +# if !defined PRIoLEAST64 || @PRI_MACROS_BROKEN@ +# undef PRIoLEAST64 +# define PRIoLEAST64 PRIo64 +# endif +# if !defined PRIuLEAST64 || @PRI_MACROS_BROKEN@ +# undef PRIuLEAST64 +# define PRIuLEAST64 PRIu64 +# endif +# if !defined PRIxLEAST64 || @PRI_MACROS_BROKEN@ +# undef PRIxLEAST64 +# define PRIxLEAST64 PRIx64 +# endif +# if !defined PRIXLEAST64 || @PRI_MACROS_BROKEN@ +# undef PRIXLEAST64 +# define PRIXLEAST64 PRIX64 +# endif +#endif + +#if !defined PRIdFAST8 || @PRI_MACROS_BROKEN@ +# undef PRIdFAST8 +# if INT_FAST8_MAX > INT32_MAX +# define PRIdFAST8 PRId64 +# else +# define PRIdFAST8 "d" +# endif +#endif +#if !defined PRIiFAST8 || @PRI_MACROS_BROKEN@ +# undef PRIiFAST8 +# if INT_FAST8_MAX > INT32_MAX +# define PRIiFAST8 PRIi64 +# else +# define PRIiFAST8 "i" +# endif +#endif +#if !defined PRIoFAST8 || @PRI_MACROS_BROKEN@ +# undef PRIoFAST8 +# if UINT_FAST8_MAX > UINT32_MAX +# define PRIoFAST8 PRIo64 +# else +# define PRIoFAST8 "o" +# endif +#endif +#if !defined PRIuFAST8 || @PRI_MACROS_BROKEN@ +# undef PRIuFAST8 +# if UINT_FAST8_MAX > UINT32_MAX +# define PRIuFAST8 PRIu64 +# else +# define PRIuFAST8 "u" +# endif +#endif +#if !defined PRIxFAST8 || @PRI_MACROS_BROKEN@ +# undef PRIxFAST8 +# if UINT_FAST8_MAX > UINT32_MAX +# define PRIxFAST8 PRIx64 +# else +# define PRIxFAST8 "x" +# endif +#endif +#if !defined PRIXFAST8 || @PRI_MACROS_BROKEN@ +# undef PRIXFAST8 +# if UINT_FAST8_MAX > UINT32_MAX +# define PRIXFAST8 PRIX64 +# else +# define PRIXFAST8 "X" +# endif +#endif +#if !defined PRIdFAST16 || @PRI_MACROS_BROKEN@ +# undef PRIdFAST16 +# if INT_FAST16_MAX > INT32_MAX +# define PRIdFAST16 PRId64 +# else +# define PRIdFAST16 "d" +# endif +#endif +#if !defined PRIiFAST16 || @PRI_MACROS_BROKEN@ +# undef PRIiFAST16 +# if INT_FAST16_MAX > INT32_MAX +# define PRIiFAST16 PRIi64 +# else +# define PRIiFAST16 "i" +# endif +#endif +#if !defined PRIoFAST16 || @PRI_MACROS_BROKEN@ +# undef PRIoFAST16 +# if UINT_FAST16_MAX > UINT32_MAX +# define PRIoFAST16 PRIo64 +# else +# define PRIoFAST16 "o" +# endif +#endif +#if !defined PRIuFAST16 || @PRI_MACROS_BROKEN@ +# undef PRIuFAST16 +# if UINT_FAST16_MAX > UINT32_MAX +# define PRIuFAST16 PRIu64 +# else +# define PRIuFAST16 "u" +# endif +#endif +#if !defined PRIxFAST16 || @PRI_MACROS_BROKEN@ +# undef PRIxFAST16 +# if UINT_FAST16_MAX > UINT32_MAX +# define PRIxFAST16 PRIx64 +# else +# define PRIxFAST16 "x" +# endif +#endif +#if !defined PRIXFAST16 || @PRI_MACROS_BROKEN@ +# undef PRIXFAST16 +# if UINT_FAST16_MAX > UINT32_MAX +# define PRIXFAST16 PRIX64 +# else +# define PRIXFAST16 "X" +# endif +#endif +#if !defined PRIdFAST32 || @PRI_MACROS_BROKEN@ +# undef PRIdFAST32 +# if INT_FAST32_MAX > INT32_MAX +# define PRIdFAST32 PRId64 +# else +# define PRIdFAST32 "d" +# endif +#endif +#if !defined PRIiFAST32 || @PRI_MACROS_BROKEN@ +# undef PRIiFAST32 +# if INT_FAST32_MAX > INT32_MAX +# define PRIiFAST32 PRIi64 +# else +# define PRIiFAST32 "i" +# endif +#endif +#if !defined PRIoFAST32 || @PRI_MACROS_BROKEN@ +# undef PRIoFAST32 +# if UINT_FAST32_MAX > UINT32_MAX +# define PRIoFAST32 PRIo64 +# else +# define PRIoFAST32 "o" +# endif +#endif +#if !defined PRIuFAST32 || @PRI_MACROS_BROKEN@ +# undef PRIuFAST32 +# if UINT_FAST32_MAX > UINT32_MAX +# define PRIuFAST32 PRIu64 +# else +# define PRIuFAST32 "u" +# endif +#endif +#if !defined PRIxFAST32 || @PRI_MACROS_BROKEN@ +# undef PRIxFAST32 +# if UINT_FAST32_MAX > UINT32_MAX +# define PRIxFAST32 PRIx64 +# else +# define PRIxFAST32 "x" +# endif +#endif +#if !defined PRIXFAST32 || @PRI_MACROS_BROKEN@ +# undef PRIXFAST32 +# if UINT_FAST32_MAX > UINT32_MAX +# define PRIXFAST32 PRIX64 +# else +# define PRIXFAST32 "X" +# endif +#endif +#ifdef INT64_MAX +# if !defined PRIdFAST64 || @PRI_MACROS_BROKEN@ +# undef PRIdFAST64 +# define PRIdFAST64 PRId64 +# endif +# if !defined PRIiFAST64 || @PRI_MACROS_BROKEN@ +# undef PRIiFAST64 +# define PRIiFAST64 PRIi64 +# endif +#endif +#ifdef UINT64_MAX +# if !defined PRIoFAST64 || @PRI_MACROS_BROKEN@ +# undef PRIoFAST64 +# define PRIoFAST64 PRIo64 +# endif +# if !defined PRIuFAST64 || @PRI_MACROS_BROKEN@ +# undef PRIuFAST64 +# define PRIuFAST64 PRIu64 +# endif +# if !defined PRIxFAST64 || @PRI_MACROS_BROKEN@ +# undef PRIxFAST64 +# define PRIxFAST64 PRIx64 +# endif +# if !defined PRIXFAST64 || @PRI_MACROS_BROKEN@ +# undef PRIXFAST64 +# define PRIXFAST64 PRIX64 +# endif +#endif + +#if !defined PRIdMAX || @PRI_MACROS_BROKEN@ +# undef PRIdMAX +# if @INT32_MAX_LT_INTMAX_MAX@ +# define PRIdMAX PRId64 +# else +# define PRIdMAX "ld" +# endif +#endif +#if !defined PRIiMAX || @PRI_MACROS_BROKEN@ +# undef PRIiMAX +# if @INT32_MAX_LT_INTMAX_MAX@ +# define PRIiMAX PRIi64 +# else +# define PRIiMAX "li" +# endif +#endif +#if !defined PRIoMAX || @PRI_MACROS_BROKEN@ +# undef PRIoMAX +# if @UINT32_MAX_LT_UINTMAX_MAX@ +# define PRIoMAX PRIo64 +# else +# define PRIoMAX "lo" +# endif +#endif +#if !defined PRIuMAX || @PRI_MACROS_BROKEN@ +# undef PRIuMAX +# if @UINT32_MAX_LT_UINTMAX_MAX@ +# define PRIuMAX PRIu64 +# else +# define PRIuMAX "lu" +# endif +#endif +#if !defined PRIxMAX || @PRI_MACROS_BROKEN@ +# undef PRIxMAX +# if @UINT32_MAX_LT_UINTMAX_MAX@ +# define PRIxMAX PRIx64 +# else +# define PRIxMAX "lx" +# endif +#endif +#if !defined PRIXMAX || @PRI_MACROS_BROKEN@ +# undef PRIXMAX +# if @UINT32_MAX_LT_UINTMAX_MAX@ +# define PRIXMAX PRIX64 +# else +# define PRIXMAX "lX" +# endif +#endif + +#if !defined PRIdPTR || @PRI_MACROS_BROKEN@ +# undef PRIdPTR +# ifdef INTPTR_MAX +# define PRIdPTR @PRIPTR_PREFIX@ "d" +# endif +#endif +#if !defined PRIiPTR || @PRI_MACROS_BROKEN@ +# undef PRIiPTR +# ifdef INTPTR_MAX +# define PRIiPTR @PRIPTR_PREFIX@ "i" +# endif +#endif +#if !defined PRIoPTR || @PRI_MACROS_BROKEN@ +# undef PRIoPTR +# ifdef UINTPTR_MAX +# define PRIoPTR @PRIPTR_PREFIX@ "o" +# endif +#endif +#if !defined PRIuPTR || @PRI_MACROS_BROKEN@ +# undef PRIuPTR +# ifdef UINTPTR_MAX +# define PRIuPTR @PRIPTR_PREFIX@ "u" +# endif +#endif +#if !defined PRIxPTR || @PRI_MACROS_BROKEN@ +# undef PRIxPTR +# ifdef UINTPTR_MAX +# define PRIxPTR @PRIPTR_PREFIX@ "x" +# endif +#endif +#if !defined PRIXPTR || @PRI_MACROS_BROKEN@ +# undef PRIXPTR +# ifdef UINTPTR_MAX +# define PRIXPTR @PRIPTR_PREFIX@ "X" +# endif +#endif + +#if !defined SCNd8 || @PRI_MACROS_BROKEN@ +# undef SCNd8 +# ifdef INT8_MAX +# define SCNd8 "hhd" +# endif +#endif +#if !defined SCNi8 || @PRI_MACROS_BROKEN@ +# undef SCNi8 +# ifdef INT8_MAX +# define SCNi8 "hhi" +# endif +#endif +#if !defined SCNo8 || @PRI_MACROS_BROKEN@ +# undef SCNo8 +# ifdef UINT8_MAX +# define SCNo8 "hho" +# endif +#endif +#if !defined SCNu8 || @PRI_MACROS_BROKEN@ +# undef SCNu8 +# ifdef UINT8_MAX +# define SCNu8 "hhu" +# endif +#endif +#if !defined SCNx8 || @PRI_MACROS_BROKEN@ +# undef SCNx8 +# ifdef UINT8_MAX +# define SCNx8 "hhx" +# endif +#endif +#if !defined SCNd16 || @PRI_MACROS_BROKEN@ +# undef SCNd16 +# ifdef INT16_MAX +# define SCNd16 "hd" +# endif +#endif +#if !defined SCNi16 || @PRI_MACROS_BROKEN@ +# undef SCNi16 +# ifdef INT16_MAX +# define SCNi16 "hi" +# endif +#endif +#if !defined SCNo16 || @PRI_MACROS_BROKEN@ +# undef SCNo16 +# ifdef UINT16_MAX +# define SCNo16 "ho" +# endif +#endif +#if !defined SCNu16 || @PRI_MACROS_BROKEN@ +# undef SCNu16 +# ifdef UINT16_MAX +# define SCNu16 "hu" +# endif +#endif +#if !defined SCNx16 || @PRI_MACROS_BROKEN@ +# undef SCNx16 +# ifdef UINT16_MAX +# define SCNx16 "hx" +# endif +#endif +#if !defined SCNd32 || @PRI_MACROS_BROKEN@ +# undef SCNd32 +# ifdef INT32_MAX +# define SCNd32 "d" +# endif +#endif +#if !defined SCNi32 || @PRI_MACROS_BROKEN@ +# undef SCNi32 +# ifdef INT32_MAX +# define SCNi32 "i" +# endif +#endif +#if !defined SCNo32 || @PRI_MACROS_BROKEN@ +# undef SCNo32 +# ifdef UINT32_MAX +# define SCNo32 "o" +# endif +#endif +#if !defined SCNu32 || @PRI_MACROS_BROKEN@ +# undef SCNu32 +# ifdef UINT32_MAX +# define SCNu32 "u" +# endif +#endif +#if !defined SCNx32 || @PRI_MACROS_BROKEN@ +# undef SCNx32 +# ifdef UINT32_MAX +# define SCNx32 "x" +# endif +#endif +#ifdef INT64_MAX +# if (@APPLE_UNIVERSAL_BUILD@ ? defined _LP64 : @INT64_MAX_EQ_LONG_MAX@) +# define _SCN64_PREFIX "l" +# elif defined _MSC_VER || defined __MINGW32__ +# define _SCN64_PREFIX "I64" +# elif LONG_MAX >> 30 == 1 +# define _SCN64_PREFIX _LONG_LONG_FORMAT_PREFIX +# endif +# if !defined SCNd64 || @PRI_MACROS_BROKEN@ +# undef SCNd64 +# define SCNd64 _SCN64_PREFIX "d" +# endif +# if !defined SCNi64 || @PRI_MACROS_BROKEN@ +# undef SCNi64 +# define SCNi64 _SCN64_PREFIX "i" +# endif +#endif +#ifdef UINT64_MAX +# if (@APPLE_UNIVERSAL_BUILD@ ? defined _LP64 : @UINT64_MAX_EQ_ULONG_MAX@) +# define _SCNu64_PREFIX "l" +# elif defined _MSC_VER || defined __MINGW32__ +# define _SCNu64_PREFIX "I64" +# elif ULONG_MAX >> 31 == 1 +# define _SCNu64_PREFIX _LONG_LONG_FORMAT_PREFIX +# endif +# if !defined SCNo64 || @PRI_MACROS_BROKEN@ +# undef SCNo64 +# define SCNo64 _SCNu64_PREFIX "o" +# endif +# if !defined SCNu64 || @PRI_MACROS_BROKEN@ +# undef SCNu64 +# define SCNu64 _SCNu64_PREFIX "u" +# endif +# if !defined SCNx64 || @PRI_MACROS_BROKEN@ +# undef SCNx64 +# define SCNx64 _SCNu64_PREFIX "x" +# endif +#endif + +#if !defined SCNdLEAST8 || @PRI_MACROS_BROKEN@ +# undef SCNdLEAST8 +# define SCNdLEAST8 "hhd" +#endif +#if !defined SCNiLEAST8 || @PRI_MACROS_BROKEN@ +# undef SCNiLEAST8 +# define SCNiLEAST8 "hhi" +#endif +#if !defined SCNoLEAST8 || @PRI_MACROS_BROKEN@ +# undef SCNoLEAST8 +# define SCNoLEAST8 "hho" +#endif +#if !defined SCNuLEAST8 || @PRI_MACROS_BROKEN@ +# undef SCNuLEAST8 +# define SCNuLEAST8 "hhu" +#endif +#if !defined SCNxLEAST8 || @PRI_MACROS_BROKEN@ +# undef SCNxLEAST8 +# define SCNxLEAST8 "hhx" +#endif +#if !defined SCNdLEAST16 || @PRI_MACROS_BROKEN@ +# undef SCNdLEAST16 +# define SCNdLEAST16 "hd" +#endif +#if !defined SCNiLEAST16 || @PRI_MACROS_BROKEN@ +# undef SCNiLEAST16 +# define SCNiLEAST16 "hi" +#endif +#if !defined SCNoLEAST16 || @PRI_MACROS_BROKEN@ +# undef SCNoLEAST16 +# define SCNoLEAST16 "ho" +#endif +#if !defined SCNuLEAST16 || @PRI_MACROS_BROKEN@ +# undef SCNuLEAST16 +# define SCNuLEAST16 "hu" +#endif +#if !defined SCNxLEAST16 || @PRI_MACROS_BROKEN@ +# undef SCNxLEAST16 +# define SCNxLEAST16 "hx" +#endif +#if !defined SCNdLEAST32 || @PRI_MACROS_BROKEN@ +# undef SCNdLEAST32 +# define SCNdLEAST32 "d" +#endif +#if !defined SCNiLEAST32 || @PRI_MACROS_BROKEN@ +# undef SCNiLEAST32 +# define SCNiLEAST32 "i" +#endif +#if !defined SCNoLEAST32 || @PRI_MACROS_BROKEN@ +# undef SCNoLEAST32 +# define SCNoLEAST32 "o" +#endif +#if !defined SCNuLEAST32 || @PRI_MACROS_BROKEN@ +# undef SCNuLEAST32 +# define SCNuLEAST32 "u" +#endif +#if !defined SCNxLEAST32 || @PRI_MACROS_BROKEN@ +# undef SCNxLEAST32 +# define SCNxLEAST32 "x" +#endif +#ifdef INT64_MAX +# if !defined SCNdLEAST64 || @PRI_MACROS_BROKEN@ +# undef SCNdLEAST64 +# define SCNdLEAST64 SCNd64 +# endif +# if !defined SCNiLEAST64 || @PRI_MACROS_BROKEN@ +# undef SCNiLEAST64 +# define SCNiLEAST64 SCNi64 +# endif +#endif +#ifdef UINT64_MAX +# if !defined SCNoLEAST64 || @PRI_MACROS_BROKEN@ +# undef SCNoLEAST64 +# define SCNoLEAST64 SCNo64 +# endif +# if !defined SCNuLEAST64 || @PRI_MACROS_BROKEN@ +# undef SCNuLEAST64 +# define SCNuLEAST64 SCNu64 +# endif +# if !defined SCNxLEAST64 || @PRI_MACROS_BROKEN@ +# undef SCNxLEAST64 +# define SCNxLEAST64 SCNx64 +# endif +#endif + +#if !defined SCNdFAST8 || @PRI_MACROS_BROKEN@ +# undef SCNdFAST8 +# if INT_FAST8_MAX > INT32_MAX +# define SCNdFAST8 SCNd64 +# elif INT_FAST8_MAX == 0x7fff +# define SCNdFAST8 "hd" +# elif INT_FAST8_MAX == 0x7f +# define SCNdFAST8 "hhd" +# else +# define SCNdFAST8 "d" +# endif +#endif +#if !defined SCNiFAST8 || @PRI_MACROS_BROKEN@ +# undef SCNiFAST8 +# if INT_FAST8_MAX > INT32_MAX +# define SCNiFAST8 SCNi64 +# elif INT_FAST8_MAX == 0x7fff +# define SCNiFAST8 "hi" +# elif INT_FAST8_MAX == 0x7f +# define SCNiFAST8 "hhi" +# else +# define SCNiFAST8 "i" +# endif +#endif +#if !defined SCNoFAST8 || @PRI_MACROS_BROKEN@ +# undef SCNoFAST8 +# if UINT_FAST8_MAX > UINT32_MAX +# define SCNoFAST8 SCNo64 +# elif UINT_FAST8_MAX == 0xffff +# define SCNoFAST8 "ho" +# elif UINT_FAST8_MAX == 0xff +# define SCNoFAST8 "hho" +# else +# define SCNoFAST8 "o" +# endif +#endif +#if !defined SCNuFAST8 || @PRI_MACROS_BROKEN@ +# undef SCNuFAST8 +# if UINT_FAST8_MAX > UINT32_MAX +# define SCNuFAST8 SCNu64 +# elif UINT_FAST8_MAX == 0xffff +# define SCNuFAST8 "hu" +# elif UINT_FAST8_MAX == 0xff +# define SCNuFAST8 "hhu" +# else +# define SCNuFAST8 "u" +# endif +#endif +#if !defined SCNxFAST8 || @PRI_MACROS_BROKEN@ +# undef SCNxFAST8 +# if UINT_FAST8_MAX > UINT32_MAX +# define SCNxFAST8 SCNx64 +# elif UINT_FAST8_MAX == 0xffff +# define SCNxFAST8 "hx" +# elif UINT_FAST8_MAX == 0xff +# define SCNxFAST8 "hhx" +# else +# define SCNxFAST8 "x" +# endif +#endif +#if !defined SCNdFAST16 || @PRI_MACROS_BROKEN@ +# undef SCNdFAST16 +# if INT_FAST16_MAX > INT32_MAX +# define SCNdFAST16 SCNd64 +# elif INT_FAST16_MAX == 0x7fff +# define SCNdFAST16 "hd" +# else +# define SCNdFAST16 "d" +# endif +#endif +#if !defined SCNiFAST16 || @PRI_MACROS_BROKEN@ +# undef SCNiFAST16 +# if INT_FAST16_MAX > INT32_MAX +# define SCNiFAST16 SCNi64 +# elif INT_FAST16_MAX == 0x7fff +# define SCNiFAST16 "hi" +# else +# define SCNiFAST16 "i" +# endif +#endif +#if !defined SCNoFAST16 || @PRI_MACROS_BROKEN@ +# undef SCNoFAST16 +# if UINT_FAST16_MAX > UINT32_MAX +# define SCNoFAST16 SCNo64 +# elif UINT_FAST16_MAX == 0xffff +# define SCNoFAST16 "ho" +# else +# define SCNoFAST16 "o" +# endif +#endif +#if !defined SCNuFAST16 || @PRI_MACROS_BROKEN@ +# undef SCNuFAST16 +# if UINT_FAST16_MAX > UINT32_MAX +# define SCNuFAST16 SCNu64 +# elif UINT_FAST16_MAX == 0xffff +# define SCNuFAST16 "hu" +# else +# define SCNuFAST16 "u" +# endif +#endif +#if !defined SCNxFAST16 || @PRI_MACROS_BROKEN@ +# undef SCNxFAST16 +# if UINT_FAST16_MAX > UINT32_MAX +# define SCNxFAST16 SCNx64 +# elif UINT_FAST16_MAX == 0xffff +# define SCNxFAST16 "hx" +# else +# define SCNxFAST16 "x" +# endif +#endif +#if !defined SCNdFAST32 || @PRI_MACROS_BROKEN@ +# undef SCNdFAST32 +# if INT_FAST32_MAX > INT32_MAX +# define SCNdFAST32 SCNd64 +# else +# define SCNdFAST32 "d" +# endif +#endif +#if !defined SCNiFAST32 || @PRI_MACROS_BROKEN@ +# undef SCNiFAST32 +# if INT_FAST32_MAX > INT32_MAX +# define SCNiFAST32 SCNi64 +# else +# define SCNiFAST32 "i" +# endif +#endif +#if !defined SCNoFAST32 || @PRI_MACROS_BROKEN@ +# undef SCNoFAST32 +# if UINT_FAST32_MAX > UINT32_MAX +# define SCNoFAST32 SCNo64 +# else +# define SCNoFAST32 "o" +# endif +#endif +#if !defined SCNuFAST32 || @PRI_MACROS_BROKEN@ +# undef SCNuFAST32 +# if UINT_FAST32_MAX > UINT32_MAX +# define SCNuFAST32 SCNu64 +# else +# define SCNuFAST32 "u" +# endif +#endif +#if !defined SCNxFAST32 || @PRI_MACROS_BROKEN@ +# undef SCNxFAST32 +# if UINT_FAST32_MAX > UINT32_MAX +# define SCNxFAST32 SCNx64 +# else +# define SCNxFAST32 "x" +# endif +#endif +#ifdef INT64_MAX +# if !defined SCNdFAST64 || @PRI_MACROS_BROKEN@ +# undef SCNdFAST64 +# define SCNdFAST64 SCNd64 +# endif +# if !defined SCNiFAST64 || @PRI_MACROS_BROKEN@ +# undef SCNiFAST64 +# define SCNiFAST64 SCNi64 +# endif +#endif +#ifdef UINT64_MAX +# if !defined SCNoFAST64 || @PRI_MACROS_BROKEN@ +# undef SCNoFAST64 +# define SCNoFAST64 SCNo64 +# endif +# if !defined SCNuFAST64 || @PRI_MACROS_BROKEN@ +# undef SCNuFAST64 +# define SCNuFAST64 SCNu64 +# endif +# if !defined SCNxFAST64 || @PRI_MACROS_BROKEN@ +# undef SCNxFAST64 +# define SCNxFAST64 SCNx64 +# endif +#endif + +#if !defined SCNdMAX || @PRI_MACROS_BROKEN@ +# undef SCNdMAX +# if @INT32_MAX_LT_INTMAX_MAX@ +# define SCNdMAX SCNd64 +# else +# define SCNdMAX "ld" +# endif +#endif +#if !defined SCNiMAX || @PRI_MACROS_BROKEN@ +# undef SCNiMAX +# if @INT32_MAX_LT_INTMAX_MAX@ +# define SCNiMAX SCNi64 +# else +# define SCNiMAX "li" +# endif +#endif +#if !defined SCNoMAX || @PRI_MACROS_BROKEN@ +# undef SCNoMAX +# if @UINT32_MAX_LT_UINTMAX_MAX@ +# define SCNoMAX SCNo64 +# else +# define SCNoMAX "lo" +# endif +#endif +#if !defined SCNuMAX || @PRI_MACROS_BROKEN@ +# undef SCNuMAX +# if @UINT32_MAX_LT_UINTMAX_MAX@ +# define SCNuMAX SCNu64 +# else +# define SCNuMAX "lu" +# endif +#endif +#if !defined SCNxMAX || @PRI_MACROS_BROKEN@ +# undef SCNxMAX +# if @UINT32_MAX_LT_UINTMAX_MAX@ +# define SCNxMAX SCNx64 +# else +# define SCNxMAX "lx" +# endif +#endif + +#if !defined SCNdPTR || @PRI_MACROS_BROKEN@ +# undef SCNdPTR +# ifdef INTPTR_MAX +# define SCNdPTR @PRIPTR_PREFIX@ "d" +# endif +#endif +#if !defined SCNiPTR || @PRI_MACROS_BROKEN@ +# undef SCNiPTR +# ifdef INTPTR_MAX +# define SCNiPTR @PRIPTR_PREFIX@ "i" +# endif +#endif +#if !defined SCNoPTR || @PRI_MACROS_BROKEN@ +# undef SCNoPTR +# ifdef UINTPTR_MAX +# define SCNoPTR @PRIPTR_PREFIX@ "o" +# endif +#endif +#if !defined SCNuPTR || @PRI_MACROS_BROKEN@ +# undef SCNuPTR +# ifdef UINTPTR_MAX +# define SCNuPTR @PRIPTR_PREFIX@ "u" +# endif +#endif +#if !defined SCNxPTR || @PRI_MACROS_BROKEN@ +# undef SCNxPTR +# ifdef UINTPTR_MAX +# define SCNxPTR @PRIPTR_PREFIX@ "x" +# endif +#endif + +/* 7.8.2 Functions for greatest-width integer types */ + +#ifdef __cplusplus +extern "C" { +#endif + +#if @GNULIB_IMAXABS@ +# if !@HAVE_DECL_IMAXABS@ +extern intmax_t imaxabs (intmax_t); +# endif +#elif defined GNULIB_POSIXCHECK +# undef imaxabs +# if HAVE_RAW_DECL_IMAXABS +_GL_WARN_ON_USE (imaxabs, "imaxabs is unportable - " + "use gnulib module imaxabs for portability"); +# endif +#endif + +#if @GNULIB_IMAXDIV@ +# if !@HAVE_IMAXDIV_T@ +# if !GNULIB_defined_imaxdiv_t +typedef struct { intmax_t quot; intmax_t rem; } imaxdiv_t; +# define GNULIB_defined_imaxdiv_t 1 +# endif +# endif +# if !@HAVE_DECL_IMAXDIV@ +extern imaxdiv_t imaxdiv (intmax_t, intmax_t); +# endif +#elif defined GNULIB_POSIXCHECK +# undef imaxdiv +# if HAVE_RAW_DECL_IMAXDIV +_GL_WARN_ON_USE (imaxdiv, "imaxdiv is unportable - " + "use gnulib module imaxdiv for portability"); +# endif +#endif + +#if @GNULIB_STRTOIMAX@ +# if @REPLACE_STRTOIMAX@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# undef strtoimax +# define strtoimax rpl_strtoimax +# endif +_GL_FUNCDECL_RPL (strtoimax, intmax_t, + (const char *restrict, char **restrict, int) + _GL_ARG_NONNULL ((1))); +_GL_CXXALIAS_RPL (strtoimax, intmax_t, + (const char *restrict, char **restrict, int)); +# else +# if !@HAVE_DECL_STRTOIMAX@ +# undef strtoimax +_GL_FUNCDECL_SYS (strtoimax, intmax_t, + (const char *restrict, char **restrict, int) + _GL_ARG_NONNULL ((1))); +# endif +_GL_CXXALIAS_SYS (strtoimax, intmax_t, + (const char *restrict, char **restrict, int)); +# endif +_GL_CXXALIASWARN (strtoimax); +#elif defined GNULIB_POSIXCHECK +# undef strtoimax +# if HAVE_RAW_DECL_STRTOIMAX +_GL_WARN_ON_USE (strtoimax, "strtoimax is unportable - " + "use gnulib module strtoimax for portability"); +# endif +#endif + +#if @GNULIB_STRTOUMAX@ +# if @REPLACE_STRTOUMAX@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# undef strtoumax +# define strtoumax rpl_strtoumax +# endif +_GL_FUNCDECL_RPL (strtoumax, uintmax_t, + (const char *restrict, char **restrict, int) + _GL_ARG_NONNULL ((1))); +_GL_CXXALIAS_RPL (strtoumax, uintmax_t, + (const char *restrict, char **restrict, int)); +# else +# if !@HAVE_DECL_STRTOUMAX@ +# undef strtoumax +_GL_FUNCDECL_SYS (strtoumax, uintmax_t, + (const char *restrict, char **restrict, int) + _GL_ARG_NONNULL ((1))); +# endif +_GL_CXXALIAS_SYS (strtoumax, uintmax_t, + (const char *restrict, char **restrict, int)); +# endif +_GL_CXXALIASWARN (strtoumax); +#elif defined GNULIB_POSIXCHECK +# undef strtoumax +# if HAVE_RAW_DECL_STRTOUMAX +_GL_WARN_ON_USE (strtoumax, "strtoumax is unportable - " + "use gnulib module strtoumax for portability"); +# endif +#endif + +/* Don't bother defining or declaring wcstoimax and wcstoumax, since + wide-character functions like this are hardly ever useful. */ + +#ifdef __cplusplus +} +#endif + +#endif /* !defined INTTYPES_H && !defined _GL_JUST_INCLUDE_SYSTEM_INTTYPES_H */ diff --git a/lib/isatty.c b/lib/isatty.c index 085cd4855..6cdc0fb14 100644 --- a/lib/isatty.c +++ b/lib/isatty.c @@ -1,5 +1,5 @@ /* isatty() replacement. - Copyright (C) 2012-2019 Free Software Foundation, Inc. + Copyright (C) 2012-2020 Free Software Foundation, Inc. This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by diff --git a/lib/itold.c b/lib/itold.c index bca01eb56..d764003e4 100644 --- a/lib/itold.c +++ b/lib/itold.c @@ -1,5 +1,5 @@ /* Replacement for 'int' to 'long double' conversion routine. - Copyright (C) 2011-2019 Free Software Foundation, Inc. + Copyright (C) 2011-2020 Free Software Foundation, Inc. Written by Bruno Haible , 2011. This program is free software: you can redistribute it and/or modify diff --git a/lib/lc-charset-dispatch.c b/lib/lc-charset-dispatch.c new file mode 100644 index 000000000..79057d4e3 --- /dev/null +++ b/lib/lc-charset-dispatch.c @@ -0,0 +1,82 @@ +/* Dispatching based on the current locale's character encoding. + Copyright (C) 2018-2020 Free Software Foundation, Inc. + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see . */ + +/* Written by Bruno Haible , 2018. */ + +#include + +/* Specification. */ +#include "lc-charset-dispatch.h" + +#if GNULIB_defined_mbstate_t + +# include "localcharset.h" +# include "streq.h" + +# if GNULIB_WCHAR_SINGLE +/* When we know that the locale does not change, provide a speedup by + caching the value of locale_encoding_classification. */ +# define locale_encoding_classification_cached locale_encoding_classification +# else +/* By default, don't make assumptions, hence no caching. */ +# define locale_encoding_classification_uncached locale_encoding_classification +# endif + +# if GNULIB_WCHAR_SINGLE +static inline +# endif +enc_t +locale_encoding_classification_uncached (void) +{ + const char *encoding = locale_charset (); + if (STREQ_OPT (encoding, "UTF-8", 'U', 'T', 'F', '-', '8', 0, 0, 0, 0)) + return enc_utf8; + if (STREQ_OPT (encoding, "EUC-JP", 'E', 'U', 'C', '-', 'J', 'P', 0, 0, 0)) + return enc_eucjp; + if (STREQ_OPT (encoding, "EUC-KR", 'E', 'U', 'C', '-', 'K', 'R', 0, 0, 0) + || STREQ_OPT (encoding, "GB2312", 'G', 'B', '2', '3', '1', '2', 0, 0, 0) + || STREQ_OPT (encoding, "BIG5", 'B', 'I', 'G', '5', 0, 0, 0, 0, 0)) + return enc_94; + if (STREQ_OPT (encoding, "EUC-TW", 'E', 'U', 'C', '-', 'T', 'W', 0, 0, 0)) + return enc_euctw; + if (STREQ_OPT (encoding, "GB18030", 'G', 'B', '1', '8', '0', '3', '0', 0, 0)) + return enc_gb18030; + if (STREQ_OPT (encoding, "SJIS", 'S', 'J', 'I', 'S', 0, 0, 0, 0, 0)) + return enc_sjis; + return enc_other; +} + +# if GNULIB_WCHAR_SINGLE + +static int cached_locale_enc = -1; + +enc_t +locale_encoding_classification_cached (void) +{ + if (cached_locale_enc < 0) + cached_locale_enc = locale_encoding_classification_uncached (); + return cached_locale_enc; +} + +# endif + +#else + +/* This declaration is solely to ensure that after preprocessing + this file is never empty. */ +typedef int dummy; + +#endif diff --git a/lib/lc-charset-dispatch.h b/lib/lc-charset-dispatch.h new file mode 100644 index 000000000..95c2316bf --- /dev/null +++ b/lib/lc-charset-dispatch.h @@ -0,0 +1,40 @@ +/* Dispatching based on the current locale's character encoding. + Copyright (C) 2018-2020 Free Software Foundation, Inc. + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see . */ + +/* Written by Bruno Haible , 2018. */ + +#include + +#if GNULIB_defined_mbstate_t + +/* A classification of special values of the encoding of the current locale. */ +typedef enum + { + enc_other, /* other */ + enc_utf8, /* UTF-8 */ + enc_eucjp, /* EUC-JP */ + enc_94, /* EUC-KR, GB2312, BIG5 */ + enc_euctw, /* EUC-TW */ + enc_gb18030, /* GB18030 */ + enc_sjis /* SJIS */ + } + enc_t; + +/* Returns a classification of special values of the encoding of the current + locale. */ +extern enc_t locale_encoding_classification (void); + +#endif diff --git a/lib/libc-config.h b/lib/libc-config.h index 57c69661d..124f1d77e 100644 --- a/lib/libc-config.h +++ b/lib/libc-config.h @@ -1,6 +1,6 @@ /* System definitions for code taken from the GNU C Library - Copyright 2017-2019 Free Software Foundation, Inc. + Copyright 2017-2020 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public @@ -55,8 +55,17 @@ #ifndef __glibc_clang_prereq # if defined __clang_major__ && defined __clang_minor__ -# define __glibc_clang_prereq(maj, min) \ - ((maj) < __clang_major__ + ((min) <= __clang_minor__)) +# ifdef __apple_build_version__ +/* Apple for some reason renumbers __clang_major__ and __clang_minor__. + Gnulib code uses only __glibc_clang_prereq (3, 5); map it to + 6000000 <= __apple_build_version__. Support for other calls to + __glibc_clang_prereq can be added here as needed. */ +# define __glibc_clang_prereq(maj, min) \ + ((maj) == 3 && (min) == 5 ? 6000000 <= __apple_build_version__ : 0) +# else +# define __glibc_clang_prereq(maj, min) \ + ((maj) < __clang_major__ + ((min) <= __clang_minor__)) +# endif # else # define __glibc_clang_prereq(maj, min) 0 # endif diff --git a/lib/limits.in.h b/lib/limits.in.h index 39750b38d..90c273fa1 100644 --- a/lib/limits.in.h +++ b/lib/limits.in.h @@ -1,6 +1,6 @@ /* A GNU-like . - Copyright 2016-2019 Free Software Foundation, Inc. + Copyright 2016-2020 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License diff --git a/lib/localcharset.c b/lib/localcharset.c index dabef9484..721c8a9d1 100644 --- a/lib/localcharset.c +++ b/lib/localcharset.c @@ -1,6 +1,6 @@ /* Determine a canonical name for the current locale's character encoding. - Copyright (C) 2000-2006, 2008-2019 Free Software Foundation, Inc. + Copyright (C) 2000-2006, 2008-2020 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -58,6 +58,9 @@ #elif defined WINDOWS_NATIVE # define WIN32_LEAN_AND_MEAN # include + /* For the use of setlocale() below, the Gnulib override in setlocale.c is + not needed; see the platform lists in setlocale_null.m4. */ +# undef setlocale #endif #if defined OS2 # define INCL_DOS @@ -150,7 +153,8 @@ static const struct table_entry alias_table[] = { "ISO8859-2", "ISO-8859-2" }, { "ISO8859-4", "ISO-8859-4" }, { "ISO8859-5", "ISO-8859-5" }, - { "ISO8859-7", "ISO-8859-7" } + { "ISO8859-7", "ISO-8859-7" }, + { "US-ASCII", "ASCII" } # define alias_table_defined # endif # if defined __APPLE__ && defined __MACH__ /* Mac OS X */ @@ -378,8 +382,6 @@ static const struct table_entry alias_table[] = by Alex Taylor: . See also "__convcp() of kLIBC": - , - or: . */ { "CP1004", "CP1252" }, /*{ "CP1041", "CP943" },*/ @@ -814,8 +816,11 @@ static const struct table_entry locale_table[] = /* Determine the current locale's character encoding, and canonicalize it - into one of the canonical names listed in localcharset.h. - The result must not be freed; it is statically allocated. + into one of the canonical names listed below. + The result must not be freed; it is statically allocated. The result + becomes invalid when setlocale() is used to change the global locale, or + when the value of one of the environment variables LC_ALL, LC_CTYPE, LANG + is changed; threads in multithreaded programs should not do this. If the canonical name cannot be determined, the result is a non-canonical name. */ @@ -827,6 +832,13 @@ locale_charset (void) { const char *codeset; + /* This function must be multithread-safe. To achieve this without using + thread-local storage, we use a simple strcpy or memcpy to fill this static + buffer. Filling it through, for example, strcpy + strcat would not be + guaranteed to leave the buffer's contents intact if another thread is + currently accessing it. If necessary, the contents is first assembled in + a stack-allocated buffer. */ + #if HAVE_LANGINFO_CODESET || defined WINDOWS_NATIVE || defined OS2 # if HAVE_LANGINFO_CODESET @@ -841,7 +853,7 @@ locale_charset (void) if (codeset != NULL && strcmp (codeset, "US-ASCII") == 0) { const char *locale; - static char buf[2 + 10 + 1]; + static char resultbuf[2 + 10 + 1]; locale = getenv ("LC_ALL"); if (locale == NULL || locale[0] == '\0') @@ -865,11 +877,12 @@ locale_charset (void) modifier = strchr (dot, '@'); if (modifier == NULL) return dot; - if (modifier - dot < sizeof (buf)) + if (modifier - dot < sizeof (resultbuf)) { - memcpy (buf, dot, modifier - dot); - buf [modifier - dot] = '\0'; - return buf; + /* This way of filling resultbuf is multithread-safe. */ + memcpy (resultbuf, dot, modifier - dot); + resultbuf [modifier - dot] = '\0'; + return resultbuf; } } } @@ -885,8 +898,13 @@ locale_charset (void) converting to GetConsoleOutputCP(). This leads to correct results, except when SetConsoleOutputCP has been called and a raster font is in use. */ - sprintf (buf, "CP%u", GetACP ()); - codeset = buf; + { + char buf[2 + 10 + 1]; + + sprintf (buf, "CP%u", GetACP ()); + strcpy (resultbuf, buf); + codeset = resultbuf; + } } # endif @@ -896,34 +914,28 @@ locale_charset (void) # elif defined WINDOWS_NATIVE - static char buf[2 + 10 + 1]; + char buf[2 + 10 + 1]; + static char resultbuf[2 + 10 + 1]; /* The Windows API has a function returning the locale's codepage as a number, but the value doesn't change according to what the 'setlocale' call specified. So we use it as a last resort, in case the string returned by 'setlocale' doesn't specify the codepage. */ - char *current_locale = setlocale (LC_ALL, NULL); - char *pdot; + char *current_locale = setlocale (LC_CTYPE, NULL); + char *pdot = strrchr (current_locale, '.'); - /* If they set different locales for different categories, - 'setlocale' will return a semi-colon separated list of locale - values. To make sure we use the correct one, we choose LC_CTYPE. */ - if (strchr (current_locale, ';')) - current_locale = setlocale (LC_CTYPE, NULL); - - pdot = strrchr (current_locale, '.'); if (pdot && 2 + strlen (pdot + 1) + 1 <= sizeof (buf)) sprintf (buf, "CP%s", pdot + 1); else { /* The Windows API has a function returning the locale's codepage as a - number: GetACP(). - When the output goes to a console window, it needs to be provided in - GetOEMCP() encoding if the console is using a raster font, or in - GetConsoleOutputCP() encoding if it is using a TrueType font. - But in GUI programs and for output sent to files and pipes, GetACP() - encoding is the best bet. */ + number: GetACP(). + When the output goes to a console window, it needs to be provided in + GetOEMCP() encoding if the console is using a raster font, or in + GetConsoleOutputCP() encoding if it is using a TrueType font. + But in GUI programs and for output sent to files and pipes, GetACP() + encoding is the best bet. */ sprintf (buf, "CP%u", GetACP ()); } /* For a locale name such as "French_France.65001", in Windows 10, @@ -931,12 +943,15 @@ locale_charset (void) if (strcmp (buf + 2, "65001") == 0 || strcmp (buf + 2, "utf8") == 0) codeset = "UTF-8"; else - codeset = buf; + { + strcpy (resultbuf, buf); + codeset = resultbuf; + } # elif defined OS2 const char *locale; - static char buf[2 + 10 + 1]; + static char resultbuf[2 + 10 + 1]; ULONG cp[3]; ULONG cplen; @@ -965,11 +980,12 @@ locale_charset (void) modifier = strchr (dot, '@'); if (modifier == NULL) return dot; - if (modifier - dot < sizeof (buf)) + if (modifier - dot < sizeof (resultbuf)) { - memcpy (buf, dot, modifier - dot); - buf [modifier - dot] = '\0'; - return buf; + /* This way of filling resultbuf is multithread-safe. */ + memcpy (resultbuf, dot, modifier - dot); + resultbuf [modifier - dot] = '\0'; + return resultbuf; } } @@ -985,8 +1001,11 @@ locale_charset (void) codeset = ""; else { + char buf[2 + 10 + 1]; + sprintf (buf, "CP%u", cp[0]); - codeset = buf; + strcpy (resultbuf, buf); + codeset = resultbuf; } } diff --git a/lib/localcharset.h b/lib/localcharset.h index 7d0d7711d..aa623be07 100644 --- a/lib/localcharset.h +++ b/lib/localcharset.h @@ -1,5 +1,5 @@ /* Determine a canonical name for the current locale's character encoding. - Copyright (C) 2000-2003, 2009-2019 Free Software Foundation, Inc. + Copyright (C) 2000-2003, 2009-2020 Free Software Foundation, Inc. This file is part of the GNU CHARSET Library. This program is free software; you can redistribute it and/or modify @@ -26,7 +26,10 @@ extern "C" { /* Determine the current locale's character encoding, and canonicalize it into one of the canonical names listed below. - The result must not be freed; it is statically allocated. + The result must not be freed; it is statically allocated. The result + becomes invalid when setlocale() is used to change the global locale, or + when the value of one of the environment variables LC_ALL, LC_CTYPE, LANG + is changed; threads in multithreaded programs should not do this. If the canonical name cannot be determined, the result is a non-canonical name. */ extern const char * locale_charset (void); @@ -45,15 +48,15 @@ extern const char * locale_charset (void); (darwin = Mac OS X, windows = native Windows) ASCII, ANSI_X3.4-1968 glibc solaris freebsd netbsd darwin minix cygwin - ISO-8859-1 Y glibc aix hpux irix osf solaris freebsd netbsd openbsd darwin cygwin - ISO-8859-2 Y glibc aix hpux irix osf solaris freebsd netbsd openbsd darwin cygwin + ISO-8859-1 Y glibc aix hpux irix osf solaris freebsd netbsd openbsd darwin cygwin zos + ISO-8859-2 Y glibc aix hpux irix osf solaris freebsd netbsd openbsd darwin cygwin zos ISO-8859-3 Y glibc solaris cygwin ISO-8859-4 Y hpux osf solaris freebsd netbsd openbsd darwin - ISO-8859-5 Y glibc aix hpux irix osf solaris freebsd netbsd openbsd darwin cygwin + ISO-8859-5 Y glibc aix hpux irix osf solaris freebsd netbsd openbsd darwin cygwin zos ISO-8859-6 Y glibc aix hpux solaris cygwin - ISO-8859-7 Y glibc aix hpux irix osf solaris freebsd netbsd openbsd darwin cygwin - ISO-8859-8 Y glibc aix hpux osf solaris cygwin - ISO-8859-9 Y glibc aix hpux irix osf solaris freebsd darwin cygwin + ISO-8859-7 Y glibc aix hpux irix osf solaris freebsd netbsd openbsd darwin cygwin zos + ISO-8859-8 Y glibc aix hpux osf solaris cygwin zos + ISO-8859-9 Y glibc aix hpux irix osf solaris freebsd darwin cygwin zos ISO-8859-13 glibc hpux solaris freebsd netbsd openbsd darwin cygwin ISO-8859-14 glibc cygwin ISO-8859-15 glibc aix irix osf solaris freebsd netbsd openbsd darwin cygwin @@ -76,7 +79,7 @@ extern const char * locale_charset (void); CP874 windows dos CP922 aix CP932 aix cygwin windows dos - CP943 aix + CP943 aix zos CP949 osf darwin windows dos CP950 windows dos CP1046 aix @@ -92,17 +95,17 @@ extern const char * locale_charset (void); CP1255 glibc windows CP1256 windows CP1257 windows - GB2312 Y glibc aix hpux irix solaris freebsd netbsd darwin cygwin + GB2312 Y glibc aix hpux irix solaris freebsd netbsd darwin cygwin zos EUC-JP Y glibc aix hpux irix osf solaris freebsd netbsd darwin cygwin - EUC-KR Y glibc aix hpux irix osf solaris freebsd netbsd darwin cygwin + EUC-KR Y glibc aix hpux irix osf solaris freebsd netbsd darwin cygwin zos EUC-TW glibc aix hpux irix osf solaris netbsd - BIG5 Y glibc aix hpux osf solaris freebsd netbsd darwin cygwin + BIG5 Y glibc aix hpux osf solaris freebsd netbsd darwin cygwin zos BIG5-HKSCS glibc hpux solaris netbsd darwin GBK glibc aix osf solaris freebsd darwin cygwin windows dos GB18030 glibc hpux solaris freebsd netbsd darwin SHIFT_JIS Y hpux osf solaris freebsd netbsd darwin JOHAB glibc solaris windows - TIS-620 glibc aix hpux osf solaris cygwin + TIS-620 glibc aix hpux osf solaris cygwin zos VISCII Y glibc TCVN5712-1 glibc ARMSCII-8 glibc freebsd netbsd darwin @@ -116,7 +119,7 @@ extern const char * locale_charset (void); HP-KANA8 hpux DEC-KANJI osf DEC-HANYU osf - UTF-8 Y glibc aix hpux osf solaris netbsd darwin cygwin + UTF-8 Y glibc aix hpux osf solaris netbsd darwin cygwin zos Note: Names which are not marked as being a MIME name should not be used in Internet protocols for information interchange (mail, news, etc.). diff --git a/lib/locale.in.h b/lib/locale.in.h new file mode 100644 index 000000000..4e9b3f38a --- /dev/null +++ b/lib/locale.in.h @@ -0,0 +1,305 @@ +/* A POSIX . + Copyright (C) 2007-2020 Free Software Foundation, Inc. + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see . */ + +#if __GNUC__ >= 3 +@PRAGMA_SYSTEM_HEADER@ +#endif +@PRAGMA_COLUMNS@ + +#if (defined _WIN32 && !defined __CYGWIN__ && defined __need_locale_t) \ + || defined _GL_ALREADY_INCLUDING_LOCALE_H + +/* Special invocation convention: + - Inside mingw header files, + - To handle Solaris header files (through Solaris 10) when combined + with gettext's libintl.h. */ + +#@INCLUDE_NEXT@ @NEXT_LOCALE_H@ + +#else +/* Normal invocation convention. */ + +#ifndef _@GUARD_PREFIX@_LOCALE_H + +#define _GL_ALREADY_INCLUDING_LOCALE_H + +/* The include_next requires a split double-inclusion guard. */ +#@INCLUDE_NEXT@ @NEXT_LOCALE_H@ + +#undef _GL_ALREADY_INCLUDING_LOCALE_H + +#ifndef _@GUARD_PREFIX@_LOCALE_H +#define _@GUARD_PREFIX@_LOCALE_H + +/* NetBSD 5.0 mis-defines NULL. */ +#include + +/* Mac OS X 10.5 defines the locale_t type in . */ +#if @HAVE_XLOCALE_H@ +# include +#endif + +/* The definitions of _GL_FUNCDECL_RPL etc. are copied here. */ + +/* The definition of _GL_ARG_NONNULL is copied here. */ + +/* The definition of _GL_WARN_ON_USE is copied here. */ + +/* The LC_MESSAGES locale category is specified in POSIX, but not in ISO C. + On systems that don't define it, use the same value as GNU libintl. */ +#if !defined LC_MESSAGES +# define LC_MESSAGES 1729 +#endif + +/* On native Windows with MSVC, 'struct lconv' lacks the members int_p_* and + int_n_*. Instead of overriding 'struct lconv', merely define these member + names as macros. This avoids trouble in C++ mode. */ +#if defined _MSC_VER +# define int_p_cs_precedes p_cs_precedes +# define int_p_sign_posn p_sign_posn +# define int_p_sep_by_space p_sep_by_space +# define int_n_cs_precedes n_cs_precedes +# define int_n_sign_posn n_sign_posn +# define int_n_sep_by_space n_sep_by_space +#endif + +/* Bionic libc's 'struct lconv' is just a dummy. */ +#if @REPLACE_STRUCT_LCONV@ +# define lconv rpl_lconv +struct lconv +{ + /* All 'char *' are actually 'const char *'. */ + + /* Members that depend on the LC_NUMERIC category of the locale. See + */ + + /* Symbol used as decimal point. */ + char *decimal_point; + /* Symbol used to separate groups of digits to the left of the decimal + point. */ + char *thousands_sep; + /* Definition of the size of groups of digits to the left of the decimal + point. */ + char *grouping; + + /* Members that depend on the LC_MONETARY category of the locale. See + */ + + /* Symbol used as decimal point. */ + char *mon_decimal_point; + /* Symbol used to separate groups of digits to the left of the decimal + point. */ + char *mon_thousands_sep; + /* Definition of the size of groups of digits to the left of the decimal + point. */ + char *mon_grouping; + /* Sign used to indicate a value >= 0. */ + char *positive_sign; + /* Sign used to indicate a value < 0. */ + char *negative_sign; + + /* For formatting local currency. */ + /* Currency symbol (3 characters) followed by separator (1 character). */ + char *currency_symbol; + /* Number of digits after the decimal point. */ + char frac_digits; + /* For values >= 0: 1 if the currency symbol precedes the number, 0 if it + comes after the number. */ + char p_cs_precedes; + /* For values >= 0: Position of the sign. */ + char p_sign_posn; + /* For values >= 0: Placement of spaces between currency symbol, sign, and + number. */ + char p_sep_by_space; + /* For values < 0: 1 if the currency symbol precedes the number, 0 if it + comes after the number. */ + char n_cs_precedes; + /* For values < 0: Position of the sign. */ + char n_sign_posn; + /* For values < 0: Placement of spaces between currency symbol, sign, and + number. */ + char n_sep_by_space; + + /* For formatting international currency. */ + /* Currency symbol (3 characters) followed by separator (1 character). */ + char *int_curr_symbol; + /* Number of digits after the decimal point. */ + char int_frac_digits; + /* For values >= 0: 1 if the currency symbol precedes the number, 0 if it + comes after the number. */ + char int_p_cs_precedes; + /* For values >= 0: Position of the sign. */ + char int_p_sign_posn; + /* For values >= 0: Placement of spaces between currency symbol, sign, and + number. */ + char int_p_sep_by_space; + /* For values < 0: 1 if the currency symbol precedes the number, 0 if it + comes after the number. */ + char int_n_cs_precedes; + /* For values < 0: Position of the sign. */ + char int_n_sign_posn; + /* For values < 0: Placement of spaces between currency symbol, sign, and + number. */ + char int_n_sep_by_space; +}; +#endif + +#if @GNULIB_LOCALECONV@ +# if @REPLACE_LOCALECONV@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# undef localeconv +# define localeconv rpl_localeconv +# endif +_GL_FUNCDECL_RPL (localeconv, struct lconv *, (void)); +_GL_CXXALIAS_RPL (localeconv, struct lconv *, (void)); +# else +_GL_CXXALIAS_SYS (localeconv, struct lconv *, (void)); +# endif +# if __GLIBC__ >= 2 +_GL_CXXALIASWARN (localeconv); +# endif +#elif @REPLACE_STRUCT_LCONV@ +# undef localeconv +# define localeconv localeconv_used_without_requesting_gnulib_module_localeconv +#elif defined GNULIB_POSIXCHECK +# undef localeconv +# if HAVE_RAW_DECL_LOCALECONV +_GL_WARN_ON_USE (localeconv, + "localeconv returns too few information on some platforms - " + "use gnulib module localeconv for portability"); +# endif +#endif + +#if @GNULIB_SETLOCALE@ +# if @REPLACE_SETLOCALE@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# undef setlocale +# define setlocale rpl_setlocale +# define GNULIB_defined_setlocale 1 +# endif +_GL_FUNCDECL_RPL (setlocale, char *, (int category, const char *locale)); +_GL_CXXALIAS_RPL (setlocale, char *, (int category, const char *locale)); +# else +_GL_CXXALIAS_SYS (setlocale, char *, (int category, const char *locale)); +# endif +# if __GLIBC__ >= 2 +_GL_CXXALIASWARN (setlocale); +# endif +#elif defined GNULIB_POSIXCHECK +# undef setlocale +# if HAVE_RAW_DECL_SETLOCALE +_GL_WARN_ON_USE (setlocale, "setlocale works differently on native Windows - " + "use gnulib module setlocale for portability"); +# endif +#endif + +#if @GNULIB_SETLOCALE_NULL@ +/* Included here for convenience. */ +# include "setlocale_null.h" +#endif + +#if /*@GNULIB_NEWLOCALE@ ||*/ (@GNULIB_LOCALENAME@ && @HAVE_NEWLOCALE@) +# if @REPLACE_NEWLOCALE@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# undef newlocale +# define newlocale rpl_newlocale +# define GNULIB_defined_newlocale 1 +# endif +_GL_FUNCDECL_RPL (newlocale, locale_t, + (int category_mask, const char *name, locale_t base) + _GL_ARG_NONNULL ((2))); +_GL_CXXALIAS_RPL (newlocale, locale_t, + (int category_mask, const char *name, locale_t base)); +# else +# if @HAVE_NEWLOCALE@ +_GL_CXXALIAS_SYS (newlocale, locale_t, + (int category_mask, const char *name, locale_t base)); +# endif +# endif +# if @HAVE_NEWLOCALE@ +_GL_CXXALIASWARN (newlocale); +# endif +# if @HAVE_NEWLOCALE@ || @REPLACE_NEWLOCALE@ +# ifndef HAVE_WORKING_NEWLOCALE +# define HAVE_WORKING_NEWLOCALE 1 +# endif +# endif +#elif defined GNULIB_POSIXCHECK +# undef newlocale +# if HAVE_RAW_DECL_NEWLOCALE +_GL_WARN_ON_USE (newlocale, "newlocale is not portable"); +# endif +#endif + +#if @GNULIB_DUPLOCALE@ || (@GNULIB_LOCALENAME@ && @HAVE_DUPLOCALE@) +# if @REPLACE_DUPLOCALE@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# undef duplocale +# define duplocale rpl_duplocale +# define GNULIB_defined_duplocale 1 +# endif +_GL_FUNCDECL_RPL (duplocale, locale_t, (locale_t locale) _GL_ARG_NONNULL ((1))); +_GL_CXXALIAS_RPL (duplocale, locale_t, (locale_t locale)); +# else +# if @HAVE_DUPLOCALE@ +_GL_CXXALIAS_SYS (duplocale, locale_t, (locale_t locale)); +# endif +# endif +# if @HAVE_DUPLOCALE@ +_GL_CXXALIASWARN (duplocale); +# endif +# if @HAVE_DUPLOCALE@ || @REPLACE_DUPLOCALE@ +# ifndef HAVE_WORKING_DUPLOCALE +# define HAVE_WORKING_DUPLOCALE 1 +# endif +# endif +#elif defined GNULIB_POSIXCHECK +# undef duplocale +# if HAVE_RAW_DECL_DUPLOCALE +_GL_WARN_ON_USE (duplocale, "duplocale is buggy on some glibc systems - " + "use gnulib module duplocale for portability"); +# endif +#endif + +#if /*@GNULIB_FREELOCALE@ ||*/ (@GNULIB_LOCALENAME@ && @HAVE_FREELOCALE@) +# if @REPLACE_FREELOCALE@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# undef freelocale +# define freelocale rpl_freelocale +# define GNULIB_defined_freelocale 1 +# endif +_GL_FUNCDECL_RPL (freelocale, void, (locale_t locale) _GL_ARG_NONNULL ((1))); +_GL_CXXALIAS_RPL (freelocale, void, (locale_t locale)); +# else +# if @HAVE_FREELOCALE@ +/* Need to cast, because on FreeBSD and Mac OS X 10.13, the return type is + int. */ +_GL_CXXALIAS_SYS_CAST (freelocale, void, (locale_t locale)); +# endif +# endif +# if @HAVE_FREELOCALE@ +_GL_CXXALIASWARN (freelocale); +# endif +#elif defined GNULIB_POSIXCHECK +# undef freelocale +# if HAVE_RAW_DECL_FREELOCALE +_GL_WARN_ON_USE (freelocale, "freelocale is not portable"); +# endif +#endif + +#endif /* _@GUARD_PREFIX@_LOCALE_H */ +#endif /* _@GUARD_PREFIX@_LOCALE_H */ +#endif /* !(__need_locale_t || _GL_ALREADY_INCLUDING_LOCALE_H) */ diff --git a/lib/localtime-buffer.c b/lib/localtime-buffer.c index b65ea45af..141849c54 100644 --- a/lib/localtime-buffer.c +++ b/lib/localtime-buffer.c @@ -1,6 +1,6 @@ /* Provide access to the last buffer returned by localtime() or gmtime(). - Copyright (C) 2001-2003, 2005-2007, 2009-2019 Free Software Foundation, Inc. + Copyright (C) 2001-2003, 2005-2007, 2009-2020 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by diff --git a/lib/localtime-buffer.h b/lib/localtime-buffer.h index 031111a75..3801742f7 100644 --- a/lib/localtime-buffer.h +++ b/lib/localtime-buffer.h @@ -1,6 +1,6 @@ /* Provide access to the last buffer returned by localtime() or gmtime(). - Copyright (C) 2001-2003, 2005-2007, 2009-2019 Free Software Foundation, Inc. + Copyright (C) 2001-2003, 2005-2007, 2009-2020 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by diff --git a/lib/lstat.c b/lib/lstat.c index a3e40d826..f74392b73 100644 --- a/lib/lstat.c +++ b/lib/lstat.c @@ -1,6 +1,6 @@ /* Work around a bug of lstat on some systems - Copyright (C) 1997-2006, 2008-2019 Free Software Foundation, Inc. + Copyright (C) 1997-2006, 2008-2020 Free Software Foundation, Inc. This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by diff --git a/lib/malloc.c b/lib/malloc.c index 76e6ff764..7232f1e38 100644 --- a/lib/malloc.c +++ b/lib/malloc.c @@ -1,6 +1,6 @@ /* malloc() function that is glibc compatible. - Copyright (C) 1997-1998, 2006-2007, 2009-2019 Free Software Foundation, Inc. + Copyright (C) 1997-1998, 2006-2007, 2009-2020 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by diff --git a/lib/malloca.c b/lib/malloca.c index f60c5fb5d..975b166da 100644 --- a/lib/malloca.c +++ b/lib/malloca.c @@ -1,5 +1,5 @@ /* Safe automatic memory allocation. - Copyright (C) 2003, 2006-2007, 2009-2019 Free Software Foundation, Inc. + Copyright (C) 2003, 2006-2007, 2009-2020 Free Software Foundation, Inc. Written by Bruno Haible , 2003, 2018. This program is free software; you can redistribute it and/or modify diff --git a/lib/malloca.h b/lib/malloca.h index d80c316ca..cfcd4de4a 100644 --- a/lib/malloca.h +++ b/lib/malloca.h @@ -1,5 +1,5 @@ /* Safe automatic memory allocation. - Copyright (C) 2003-2007, 2009-2019 Free Software Foundation, Inc. + Copyright (C) 2003-2007, 2009-2020 Free Software Foundation, Inc. Written by Bruno Haible , 2003. This program is free software; you can redistribute it and/or modify @@ -112,14 +112,10 @@ enum among all elementary types. */ sa_alignment_long = sa_alignof (long), sa_alignment_double = sa_alignof (double), -#if HAVE_LONG_LONG_INT sa_alignment_longlong = sa_alignof (long long), -#endif sa_alignment_longdouble = sa_alignof (long double), sa_alignment_max = ((sa_alignment_long - 1) | (sa_alignment_double - 1) -#if HAVE_LONG_LONG_INT | (sa_alignment_longlong - 1) -#endif | (sa_alignment_longdouble - 1) ) + 1 }; diff --git a/lib/mbrtowc-impl-utf8.h b/lib/mbrtowc-impl-utf8.h new file mode 100644 index 000000000..a826b1b6e --- /dev/null +++ b/lib/mbrtowc-impl-utf8.h @@ -0,0 +1,138 @@ +/* Convert multibyte character to wide character. + Copyright (C) 1999-2002, 2005-2020 Free Software Foundation, Inc. + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see . */ + +/* Written by Bruno Haible , 2008. */ + +/* This file contains the part of the body of the mbrtowc and mbrtoc32 functions + that handles the special case of the UTF-8 encoding. */ + + /* Cf. unistr/u8-mbtouc.c. */ + unsigned char c = (unsigned char) p[0]; + + if (c < 0x80) + { + if (pwc != NULL) + *pwc = c; + res = (c == 0 ? 0 : 1); + goto success; + } + if (c >= 0xc2) + { + if (c < 0xe0) + { + if (m == 1) + goto incomplete; + else /* m >= 2 */ + { + unsigned char c2 = (unsigned char) p[1]; + + if ((c2 ^ 0x80) < 0x40) + { + if (pwc != NULL) + *pwc = ((unsigned int) (c & 0x1f) << 6) + | (unsigned int) (c2 ^ 0x80); + res = 2; + goto success; + } + } + } + else if (c < 0xf0) + { + if (m == 1) + goto incomplete; + else + { + unsigned char c2 = (unsigned char) p[1]; + + if ((c2 ^ 0x80) < 0x40 + && (c >= 0xe1 || c2 >= 0xa0) + && (c != 0xed || c2 < 0xa0)) + { + if (m == 2) + goto incomplete; + else /* m >= 3 */ + { + unsigned char c3 = (unsigned char) p[2]; + + if ((c3 ^ 0x80) < 0x40) + { + unsigned int wc = + (((unsigned int) (c & 0x0f) << 12) + | ((unsigned int) (c2 ^ 0x80) << 6) + | (unsigned int) (c3 ^ 0x80)); + + if (FITS_IN_CHAR_TYPE (wc)) + { + if (pwc != NULL) + *pwc = wc; + res = 3; + goto success; + } + } + } + } + } + } + else if (c <= 0xf4) + { + if (m == 1) + goto incomplete; + else + { + unsigned char c2 = (unsigned char) p[1]; + + if ((c2 ^ 0x80) < 0x40 + && (c >= 0xf1 || c2 >= 0x90) + && (c < 0xf4 || (c == 0xf4 && c2 < 0x90))) + { + if (m == 2) + goto incomplete; + else + { + unsigned char c3 = (unsigned char) p[2]; + + if ((c3 ^ 0x80) < 0x40) + { + if (m == 3) + goto incomplete; + else /* m >= 4 */ + { + unsigned char c4 = (unsigned char) p[3]; + + if ((c4 ^ 0x80) < 0x40) + { + unsigned int wc = + (((unsigned int) (c & 0x07) << 18) + | ((unsigned int) (c2 ^ 0x80) << 12) + | ((unsigned int) (c3 ^ 0x80) << 6) + | (unsigned int) (c4 ^ 0x80)); + + if (FITS_IN_CHAR_TYPE (wc)) + { + if (pwc != NULL) + *pwc = wc; + res = 4; + goto success; + } + } + } + } + } + } + } + } + } + goto invalid; diff --git a/lib/mbrtowc-impl.h b/lib/mbrtowc-impl.h new file mode 100644 index 000000000..c97043964 --- /dev/null +++ b/lib/mbrtowc-impl.h @@ -0,0 +1,262 @@ +/* Convert multibyte character to wide character. + Copyright (C) 1999-2002, 2005-2020 Free Software Foundation, Inc. + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see . */ + +/* Written by Bruno Haible , 2008. */ + +/* This file contains the body of the mbrtowc and mbrtoc32 functions, + when GNULIB_defined_mbstate_t is defined. */ + + char *pstate = (char *)ps; + + if (s == NULL) + { + pwc = NULL; + s = ""; + n = 1; + } + + if (n == 0) + return (size_t)(-2); + + /* Here n > 0. */ + + if (pstate == NULL) + pstate = internal_state; + + { + size_t nstate = pstate[0]; + char buf[4]; + const char *p; + size_t m; + enc_t enc; + int res; + + switch (nstate) + { + case 0: + p = s; + m = n; + break; + case 3: + buf[2] = pstate[3]; + FALLTHROUGH; + case 2: + buf[1] = pstate[2]; + FALLTHROUGH; + case 1: + buf[0] = pstate[1]; + p = buf; + m = nstate; + buf[m++] = s[0]; + if (n >= 2 && m < 4) + { + buf[m++] = s[1]; + if (n >= 3 && m < 4) + buf[m++] = s[2]; + } + break; + default: + errno = EINVAL; + return (size_t)(-1); + } + + /* Here m > 0. */ + + enc = locale_encoding_classification (); + + if (enc == enc_utf8) /* UTF-8 */ + { + /* Achieve + - multi-thread safety and + - the ability to produce wide character values > WCHAR_MAX + by not calling mbtowc() at all. */ +#include "mbrtowc-impl-utf8.h" + } + else + { + /* The hidden internal state of mbtowc would make this function not + multi-thread safe. Achieve multi-thread safety through a lock. */ + wchar_t wc; + res = mbtowc_with_lock (&wc, p, m); + + if (res >= 0) + { + if ((wc == 0) != (res == 0)) + abort (); + if (pwc != NULL) + *pwc = wc; + goto success; + } + + /* mbtowc does not distinguish between invalid and incomplete multibyte + sequences. But mbrtowc needs to make this distinction. + There are two possible approaches: + - Use iconv() and its return value. + - Use built-in knowledge about the possible encodings. + Given the low quality of implementation of iconv() on the systems + that lack mbrtowc(), we use the second approach. + The possible encodings are: + - 8-bit encodings, + - EUC-JP, EUC-KR, GB2312, EUC-TW, BIG5, GB18030, SJIS, + - UTF-8 (already handled above). + Use specialized code for each. */ + if (m >= 4 || m >= MB_CUR_MAX) + goto invalid; + /* Here MB_CUR_MAX > 1 and 0 < m < 4. */ + switch (enc) + { + /* As a reference for this code, you can use the GNU libiconv + implementation. Look for uses of the RET_TOOFEW macro. */ + + case enc_eucjp: /* EUC-JP */ + { + if (m == 1) + { + unsigned char c = (unsigned char) p[0]; + + if ((c >= 0xa1 && c < 0xff) || c == 0x8e || c == 0x8f) + goto incomplete; + } + if (m == 2) + { + unsigned char c = (unsigned char) p[0]; + + if (c == 0x8f) + { + unsigned char c2 = (unsigned char) p[1]; + + if (c2 >= 0xa1 && c2 < 0xff) + goto incomplete; + } + } + goto invalid; + } + + case enc_94: /* EUC-KR, GB2312, BIG5 */ + { + if (m == 1) + { + unsigned char c = (unsigned char) p[0]; + + if (c >= 0xa1 && c < 0xff) + goto incomplete; + } + goto invalid; + } + + case enc_euctw: /* EUC-TW */ + { + if (m == 1) + { + unsigned char c = (unsigned char) p[0]; + + if ((c >= 0xa1 && c < 0xff) || c == 0x8e) + goto incomplete; + } + else /* m == 2 || m == 3 */ + { + unsigned char c = (unsigned char) p[0]; + + if (c == 0x8e) + goto incomplete; + } + goto invalid; + } + + case enc_gb18030: /* GB18030 */ + { + if (m == 1) + { + unsigned char c = (unsigned char) p[0]; + + if ((c >= 0x90 && c <= 0xe3) || (c >= 0xf8 && c <= 0xfe)) + goto incomplete; + } + else /* m == 2 || m == 3 */ + { + unsigned char c = (unsigned char) p[0]; + + if (c >= 0x90 && c <= 0xe3) + { + unsigned char c2 = (unsigned char) p[1]; + + if (c2 >= 0x30 && c2 <= 0x39) + { + if (m == 2) + goto incomplete; + else /* m == 3 */ + { + unsigned char c3 = (unsigned char) p[2]; + + if (c3 >= 0x81 && c3 <= 0xfe) + goto incomplete; + } + } + } + } + goto invalid; + } + + case enc_sjis: /* SJIS */ + { + if (m == 1) + { + unsigned char c = (unsigned char) p[0]; + + if ((c >= 0x81 && c <= 0x9f) || (c >= 0xe0 && c <= 0xea) + || (c >= 0xf0 && c <= 0xf9)) + goto incomplete; + } + goto invalid; + } + + default: + /* An unknown multibyte encoding. */ + goto incomplete; + } + } + + success: + /* res >= 0 is the corrected return value of + mbtowc_with_lock (&wc, p, m). */ + if (nstate >= (res > 0 ? res : 1)) + abort (); + res -= nstate; + pstate[0] = 0; + return res; + + incomplete: + { + size_t k = nstate; + /* Here 0 <= k < m < 4. */ + pstate[++k] = s[0]; + if (k < m) + { + pstate[++k] = s[1]; + if (k < m) + pstate[++k] = s[2]; + } + if (k != m) + abort (); + } + pstate[0] = m; + return (size_t)(-2); + + invalid: + errno = EILSEQ; + /* The conversion state is undefined, says POSIX. */ + return (size_t)(-1); + } diff --git a/lib/mbrtowc.c b/lib/mbrtowc.c index 1aad22cd5..6cb52675b 100644 --- a/lib/mbrtowc.c +++ b/lib/mbrtowc.c @@ -1,5 +1,5 @@ /* Convert multibyte character to wide character. - Copyright (C) 1999-2002, 2005-2019 Free Software Foundation, Inc. + Copyright (C) 1999-2002, 2005-2020 Free Software Foundation, Inc. Written by Bruno Haible , 2008. This program is free software: you can redistribute it and/or modify @@ -20,21 +20,39 @@ /* Specification. */ #include -#if C_LOCALE_MAYBE_EILSEQ -# include "hard-locale.h" -# include -#endif - #if GNULIB_defined_mbstate_t -/* Implement mbrtowc() on top of mbtowc(). */ +/* Implement mbrtowc() on top of mbtowc() for the non-UTF-8 locales + and directly for the UTF-8 locales. */ # include +# include # include -# include "localcharset.h" -# include "streq.h" +# if defined _WIN32 && !defined __CYGWIN__ + +# define WIN32_LEAN_AND_MEAN /* avoid including junk */ +# include + +# elif HAVE_PTHREAD_API + +# include +# if HAVE_THREADS_H && HAVE_WEAK_SYMBOLS +# include +# pragma weak thrd_exit +# define c11_threads_in_use() (thrd_exit != NULL) +# else +# define c11_threads_in_use() 0 +# endif + +# elif HAVE_THREADS_H + +# include + +# endif + # include "verify.h" -# include "glthread/lock.h" +# include "lc-charset-dispatch.h" +# include "mbtowc-lock.h" # ifndef FALLTHROUGH # if __GNUC__ < 7 @@ -44,417 +62,24 @@ # endif # endif -/* Returns a classification of special values of the encoding of the current - locale. */ -typedef enum { - enc_other, /* other */ - enc_utf8, /* UTF-8 */ - enc_eucjp, /* EUC-JP */ - enc_94, /* EUC-KR, GB2312, BIG5 */ - enc_euctw, /* EUC-TW */ - enc_gb18030, /* GB18030 */ - enc_sjis /* SJIS */ -} enc_t; -static inline enc_t -locale_enc (void) -{ - const char *encoding = locale_charset (); - if (STREQ_OPT (encoding, "UTF-8", 'U', 'T', 'F', '-', '8', 0, 0, 0, 0)) - return enc_utf8; - if (STREQ_OPT (encoding, "EUC-JP", 'E', 'U', 'C', '-', 'J', 'P', 0, 0, 0)) - return enc_eucjp; - if (STREQ_OPT (encoding, "EUC-KR", 'E', 'U', 'C', '-', 'K', 'R', 0, 0, 0) - || STREQ_OPT (encoding, "GB2312", 'G', 'B', '2', '3', '1', '2', 0, 0, 0) - || STREQ_OPT (encoding, "BIG5", 'B', 'I', 'G', '5', 0, 0, 0, 0, 0)) - return enc_94; - if (STREQ_OPT (encoding, "EUC-TW", 'E', 'U', 'C', '-', 'T', 'W', 0, 0, 0)) - return enc_euctw; - if (STREQ_OPT (encoding, "GB18030", 'G', 'B', '1', '8', '0', '3', '0', 0, 0)) - return enc_gb18030; - if (STREQ_OPT (encoding, "SJIS", 'S', 'J', 'I', 'S', 0, 0, 0, 0, 0)) - return enc_sjis; - return enc_other; -} - -# if GNULIB_WCHAR_SINGLE -/* When we know that the locale does not change, provide a speedup by - caching the value of locale_enc. */ -static int cached_locale_enc = -1; -static inline enc_t -locale_enc_cached (void) -{ - if (cached_locale_enc < 0) - cached_locale_enc = locale_enc (); - return cached_locale_enc; -} -# else -/* By default, don't make assumptions, hence no caching. */ -# define locale_enc_cached locale_enc -# endif - -/* This lock protects the internal state of mbtowc against multiple simultaneous - calls of mbrtowc. */ -gl_lock_define_initialized(static, mbtowc_lock) - verify (sizeof (mbstate_t) >= 4); - static char internal_state[4]; size_t mbrtowc (wchar_t *pwc, const char *s, size_t n, mbstate_t *ps) { - char *pstate = (char *)ps; - - if (s == NULL) - { - pwc = NULL; - s = ""; - n = 1; - } - - if (n == 0) - return (size_t)(-2); - - /* Here n > 0. */ - - if (pstate == NULL) - pstate = internal_state; - - { - size_t nstate = pstate[0]; - char buf[4]; - const char *p; - size_t m; - enc_t enc; - int res; - - switch (nstate) - { - case 0: - p = s; - m = n; - break; - case 3: - buf[2] = pstate[3]; - FALLTHROUGH; - case 2: - buf[1] = pstate[2]; - FALLTHROUGH; - case 1: - buf[0] = pstate[1]; - p = buf; - m = nstate; - buf[m++] = s[0]; - if (n >= 2 && m < 4) - { - buf[m++] = s[1]; - if (n >= 3 && m < 4) - buf[m++] = s[2]; - } - break; - default: - errno = EINVAL; - return (size_t)(-1); - } - - /* Here m > 0. */ - - enc = locale_enc_cached (); - - if (enc == enc_utf8) /* UTF-8 */ - { - /* Achieve multi-thread safety by not calling mbtowc() at all. */ - /* Cf. unistr/u8-mbtouc.c. */ - unsigned char c = (unsigned char) p[0]; - - if (c < 0x80) - { - if (pwc != NULL) - *pwc = c; - res = (c == 0 ? 0 : 1); - goto success; - } - if (c >= 0xc2) - { - if (c < 0xe0) - { - if (m == 1) - goto incomplete; - else /* m >= 2 */ - { - unsigned char c2 = (unsigned char) p[1]; - - if ((c2 ^ 0x80) < 0x40) - { - if (pwc != NULL) - *pwc = ((unsigned int) (c & 0x1f) << 6) - | (unsigned int) (c2 ^ 0x80); - res = 2; - goto success; - } - } - } - else if (c < 0xf0) - { - if (m == 1) - goto incomplete; - else - { - unsigned char c2 = (unsigned char) p[1]; - - if ((c2 ^ 0x80) < 0x40 - && (c >= 0xe1 || c2 >= 0xa0) - && (c != 0xed || c2 < 0xa0)) - { - if (m == 2) - goto incomplete; - else /* m >= 3 */ - { - unsigned char c3 = (unsigned char) p[2]; - - if ((c3 ^ 0x80) < 0x40) - { - if (pwc != NULL) - *pwc = ((unsigned int) (c & 0x0f) << 12) - | ((unsigned int) (c2 ^ 0x80) << 6) - | (unsigned int) (c3 ^ 0x80); - res = 3; - goto success; - } - } - } - } - } - else if (c <= 0xf4) - { - if (m == 1) - goto incomplete; - else - { - unsigned char c2 = (unsigned char) p[1]; - - if ((c2 ^ 0x80) < 0x40 - && (c >= 0xf1 || c2 >= 0x90) - && (c < 0xf4 || (c == 0xf4 && c2 < 0x90))) - { - if (m == 2) - goto incomplete; - else - { - unsigned char c3 = (unsigned char) p[2]; - - if ((c3 ^ 0x80) < 0x40) - { - if (m == 3) - goto incomplete; - else /* m >= 4 */ - { - unsigned char c4 = (unsigned char) p[3]; - - if ((c4 ^ 0x80) < 0x40) - { - if (pwc != NULL) - *pwc = ((unsigned int) (c & 0x07) << 18) - | ((unsigned int) (c2 ^ 0x80) << 12) - | ((unsigned int) (c3 ^ 0x80) << 6) - | (unsigned int) (c4 ^ 0x80); - res = 4; - goto success; - } - } - } - } - } - } - } - } - goto invalid; - } - else - { - /* The hidden internal state of mbtowc would make this function not - multi-thread safe. Achieve multi-thread safety through a lock. */ - gl_lock_lock (mbtowc_lock); - - /* Put the hidden internal state of mbtowc into its initial state. - This is needed at least with glibc, uClibc, and MSVC CRT. - See . */ - mbtowc (NULL, NULL, 0); - - res = mbtowc (pwc, p, m); - - gl_lock_unlock (mbtowc_lock); - - if (res >= 0) - { - if (pwc != NULL && ((*pwc == 0) != (res == 0))) - abort (); - goto success; - } - - /* mbtowc does not distinguish between invalid and incomplete multibyte - sequences. But mbrtowc needs to make this distinction. - There are two possible approaches: - - Use iconv() and its return value. - - Use built-in knowledge about the possible encodings. - Given the low quality of implementation of iconv() on the systems - that lack mbrtowc(), we use the second approach. - The possible encodings are: - - 8-bit encodings, - - EUC-JP, EUC-KR, GB2312, EUC-TW, BIG5, GB18030, SJIS, - - UTF-8 (already handled above). - Use specialized code for each. */ - if (m >= 4 || m >= MB_CUR_MAX) - goto invalid; - /* Here MB_CUR_MAX > 1 and 0 < m < 4. */ - switch (enc) - { - /* As a reference for this code, you can use the GNU libiconv - implementation. Look for uses of the RET_TOOFEW macro. */ - - case enc_eucjp: /* EUC-JP */ - { - if (m == 1) - { - unsigned char c = (unsigned char) p[0]; - - if ((c >= 0xa1 && c < 0xff) || c == 0x8e || c == 0x8f) - goto incomplete; - } - if (m == 2) - { - unsigned char c = (unsigned char) p[0]; - - if (c == 0x8f) - { - unsigned char c2 = (unsigned char) p[1]; - - if (c2 >= 0xa1 && c2 < 0xff) - goto incomplete; - } - } - goto invalid; - } - - case enc_94: /* EUC-KR, GB2312, BIG5 */ - { - if (m == 1) - { - unsigned char c = (unsigned char) p[0]; - - if (c >= 0xa1 && c < 0xff) - goto incomplete; - } - goto invalid; - } - - case enc_euctw: /* EUC-TW */ - { - if (m == 1) - { - unsigned char c = (unsigned char) p[0]; - - if ((c >= 0xa1 && c < 0xff) || c == 0x8e) - goto incomplete; - } - else /* m == 2 || m == 3 */ - { - unsigned char c = (unsigned char) p[0]; - - if (c == 0x8e) - goto incomplete; - } - goto invalid; - } - - case enc_gb18030: /* GB18030 */ - { - if (m == 1) - { - unsigned char c = (unsigned char) p[0]; - - if ((c >= 0x90 && c <= 0xe3) || (c >= 0xf8 && c <= 0xfe)) - goto incomplete; - } - else /* m == 2 || m == 3 */ - { - unsigned char c = (unsigned char) p[0]; - - if (c >= 0x90 && c <= 0xe3) - { - unsigned char c2 = (unsigned char) p[1]; - - if (c2 >= 0x30 && c2 <= 0x39) - { - if (m == 2) - goto incomplete; - else /* m == 3 */ - { - unsigned char c3 = (unsigned char) p[2]; - - if (c3 >= 0x81 && c3 <= 0xfe) - goto incomplete; - } - } - } - } - goto invalid; - } - - case enc_sjis: /* SJIS */ - { - if (m == 1) - { - unsigned char c = (unsigned char) p[0]; - - if ((c >= 0x81 && c <= 0x9f) || (c >= 0xe0 && c <= 0xea) - || (c >= 0xf0 && c <= 0xf9)) - goto incomplete; - } - goto invalid; - } - - default: - /* An unknown multibyte encoding. */ - goto incomplete; - } - } - - success: - /* res >= 0 is the corrected return value of mbtowc (pwc, p, m). */ - if (nstate >= (res > 0 ? res : 1)) - abort (); - res -= nstate; - pstate[0] = 0; - return res; - - incomplete: - { - size_t k = nstate; - /* Here 0 <= k < m < 4. */ - pstate[++k] = s[0]; - if (k < m) - { - pstate[++k] = s[1]; - if (k < m) - pstate[++k] = s[2]; - } - if (k != m) - abort (); - } - pstate[0] = m; - return (size_t)(-2); - - invalid: - errno = EILSEQ; - /* The conversion state is undefined, says POSIX. */ - return (size_t)(-1); - } +# define FITS_IN_CHAR_TYPE(wc) ((wc) <= WCHAR_MAX) +# include "mbrtowc-impl.h" } #else /* Override the system's mbrtowc() function. */ +# if MBRTOWC_IN_C_LOCALE_MAYBE_EILSEQ +# include "hard-locale.h" +# include +# endif + # undef mbrtowc size_t @@ -512,14 +137,20 @@ rpl_mbrtowc (wchar_t *pwc, const char *s, size_t n, mbstate_t *ps) } # endif +# if MBRTOWC_STORES_INCOMPLETE_BUG + ret = mbrtowc (&wc, s, n, ps); + if (ret < (size_t) -2 && pwc != NULL) + *pwc = wc; +# else ret = mbrtowc (pwc, s, n, ps); +# endif # if MBRTOWC_NUL_RETVAL_BUG if (ret < (size_t) -2 && !*pwc) return 0; # endif -# if C_LOCALE_MAYBE_EILSEQ +# if MBRTOWC_IN_C_LOCALE_MAYBE_EILSEQ if ((size_t) -2 <= ret && n != 0 && ! hard_locale (LC_CTYPE)) { unsigned char uc = *s; diff --git a/lib/mbsinit.c b/lib/mbsinit.c index 5ecaef77c..981a894b0 100644 --- a/lib/mbsinit.c +++ b/lib/mbsinit.c @@ -1,5 +1,5 @@ /* Test for initial conversion state. - Copyright (C) 2008-2019 Free Software Foundation, Inc. + Copyright (C) 2008-2020 Free Software Foundation, Inc. Written by Bruno Haible , 2008. This program is free software: you can redistribute it and/or modify @@ -56,13 +56,10 @@ mbsinit (const mbstate_t *ps) { # if defined _WIN32 && !defined __CYGWIN__ /* Native Windows. */ -# ifdef __MINGW32__ - /* On mingw, 'mbstate_t' is defined as 'int'. */ - return ps == NULL || *ps == 0; -# else - /* MSVC defines 'mbstate_t' as an 8-byte struct; the first 4-bytes matter. */ + /* MSVC defines 'mbstate_t' as an 8-byte struct; the first 4 bytes matter. + On mingw, 'mbstate_t' is sometimes defined as 'int', sometimes defined as + an 8-byte struct, of which the first 4 bytes matter. */ return ps == NULL || *(const unsigned int *)ps == 0; -# endif # else /* Minix, HP-UX 11.00, Solaris 2.6, Interix, ... */ /* Maybe this definition works, maybe not... */ diff --git a/lib/mbtowc-lock.c b/lib/mbtowc-lock.c new file mode 100644 index 000000000..85ad3c4c9 --- /dev/null +++ b/lib/mbtowc-lock.c @@ -0,0 +1,150 @@ +/* Return the internal lock used by mbrtowc and mbrtoc32. + Copyright (C) 2019-2020 Free Software Foundation, Inc. + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see . */ + +/* Written by Bruno Haible , 2019-2020. */ + +#include + +/* When it is known that the gl_get_mbtowc_lock function is defined + by a dependency library, it should not be defined here. */ +#if OMIT_MBTOWC_LOCK + +/* This declaration is solely to ensure that after preprocessing + this file is never empty. */ +typedef int dummy; + +#else + +/* This file defines the internal lock used by mbrtowc and mbrtoc32. + It is a separate compilation unit, so that only one copy of it is + present when linking statically. */ + +/* Prohibit renaming this symbol. */ +# undef gl_get_mbtowc_lock + +/* Macro for exporting a symbol (function, not variable) defined in this file, + when compiled into a shared library. */ +# ifndef DLL_EXPORTED +# if HAVE_VISIBILITY + /* Override the effect of the compiler option '-fvisibility=hidden'. */ +# define DLL_EXPORTED __attribute__((__visibility__("default"))) +# elif defined _WIN32 || defined __CYGWIN__ +# define DLL_EXPORTED __declspec(dllexport) +# else +# define DLL_EXPORTED +# endif +# endif + +# if defined _WIN32 && !defined __CYGWIN__ + +# define WIN32_LEAN_AND_MEAN /* avoid including junk */ +# include + +# include "windows-initguard.h" + +/* The return type is a 'CRITICAL_SECTION *', not a 'glwthread_mutex_t *', + because the latter is not guaranteed to be a stable ABI in the future. */ + +/* Make sure the function gets exported from DLLs. */ +DLL_EXPORTED CRITICAL_SECTION *gl_get_mbtowc_lock (void); + +static glwthread_initguard_t guard = GLWTHREAD_INITGUARD_INIT; +static CRITICAL_SECTION lock; + +/* Returns the internal lock used by mbrtowc and mbrtoc32. */ +CRITICAL_SECTION * +gl_get_mbtowc_lock (void) +{ + if (!guard.done) + { + if (InterlockedIncrement (&guard.started) == 0) + { + /* This thread is the first one to need the lock. Initialize it. */ + InitializeCriticalSection (&lock); + guard.done = 1; + } + else + { + /* Don't let guard.started grow and wrap around. */ + InterlockedDecrement (&guard.started); + /* Yield the CPU while waiting for another thread to finish + initializing this mutex. */ + while (!guard.done) + Sleep (0); + } + } + return &lock; +} + +# elif HAVE_PTHREAD_API + +# include + +static pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER; + +/* Make sure the function gets exported from shared libraries. */ +DLL_EXPORTED pthread_mutex_t *gl_get_mbtowc_lock (void); + +/* Returns the internal lock used by mbrtowc and mbrtoc32. */ +pthread_mutex_t * +gl_get_mbtowc_lock (void) +{ + return &mutex; +} + +# elif HAVE_THREADS_H + +# include +# include + +static int volatile init_needed = 1; +static once_flag init_once = ONCE_FLAG_INIT; +static mtx_t mutex; + +static void +atomic_init (void) +{ + if (mtx_init (&mutex, mtx_plain) != thrd_success) + abort (); + init_needed = 0; +} + +/* Make sure the function gets exported from shared libraries. */ +DLL_EXPORTED mtx_t *gl_get_mbtowc_lock (void); + +/* Returns the internal lock used by mbrtowc and mbrtoc32. */ +mtx_t * +gl_get_mbtowc_lock (void) +{ + if (init_needed) + call_once (&init_once, atomic_init); + return &mutex; +} + +# endif + +# if (defined _WIN32 || defined __CYGWIN__) && !defined _MSC_VER +/* Make sure the '__declspec(dllimport)' in mbrtowc.c and mbrtoc32.c does not + cause a link failure when no DLLs are involved. */ +# if defined _WIN64 || defined _LP64 +# define IMP(x) __imp_##x +# else +# define IMP(x) _imp__##x +# endif +void * IMP(gl_get_mbtowc_lock) = &gl_get_mbtowc_lock; +# endif + +#endif diff --git a/lib/mbtowc-lock.h b/lib/mbtowc-lock.h new file mode 100644 index 000000000..e101978df --- /dev/null +++ b/lib/mbtowc-lock.h @@ -0,0 +1,115 @@ +/* Use the internal lock used by mbrtowc and mbrtoc32. + Copyright (C) 2019-2020 Free Software Foundation, Inc. + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see . */ + +/* Written by Bruno Haible , 2019-2020. */ + +/* Use a lock, so that no two threads can invoke mbtowc at the same time. */ + +static inline int +mbtowc_unlocked (wchar_t *pwc, const char *p, size_t m) +{ + /* Put the hidden internal state of mbtowc into its initial state. + This is needed at least with glibc, uClibc, and MSVC CRT. + See . */ + mbtowc (NULL, NULL, 0); + + return mbtowc (pwc, p, m); +} + +/* Prohibit renaming this symbol. */ +#undef gl_get_mbtowc_lock + +#if defined _WIN32 && !defined __CYGWIN__ + +extern __declspec(dllimport) CRITICAL_SECTION *gl_get_mbtowc_lock (void); + +static int +mbtowc_with_lock (wchar_t *pwc, const char *p, size_t m) +{ + CRITICAL_SECTION *lock = gl_get_mbtowc_lock (); + int ret; + + EnterCriticalSection (lock); + ret = mbtowc_unlocked (pwc, p, m); + LeaveCriticalSection (lock); + + return ret; +} + +#elif HAVE_PTHREAD_API /* AIX, IRIX, Cygwin */ + +extern +# if defined _WIN32 || defined __CYGWIN__ + __declspec(dllimport) +# endif + pthread_mutex_t *gl_get_mbtowc_lock (void); + +# if HAVE_WEAK_SYMBOLS /* IRIX */ + + /* Avoid the need to link with '-lpthread'. */ +# pragma weak pthread_mutex_lock +# pragma weak pthread_mutex_unlock + + /* Determine whether libpthread is in use. */ +# pragma weak pthread_mutexattr_gettype + /* See the comments in lock.h. */ +# define pthread_in_use() \ + (pthread_mutexattr_gettype != NULL || c11_threads_in_use ()) + +# else +# define pthread_in_use() 1 +# endif + +static int +mbtowc_with_lock (wchar_t *pwc, const char *p, size_t m) +{ + if (pthread_in_use()) + { + pthread_mutex_t *lock = gl_get_mbtowc_lock (); + int ret; + + if (pthread_mutex_lock (lock)) + abort (); + ret = mbtowc_unlocked (pwc, p, m); + if (pthread_mutex_unlock (lock)) + abort (); + + return ret; + } + else + return mbtowc_unlocked (pwc, p, m); +} + +#elif HAVE_THREADS_H + +extern mtx_t *gl_get_mbtowc_lock (void); + +static int +mbtowc_with_lock (wchar_t *pwc, const char *p, size_t m) +{ + mtx_t *lock = gl_get_mbtowc_lock (); + int ret; + + if (mtx_lock (lock) != thrd_success) + abort (); + ret = mbtowc_unlocked (pwc, p, m); + if (mtx_unlock (lock) != thrd_success) + abort (); + + return ret; +} + +#endif diff --git a/lib/memchr.c b/lib/memchr.c index 4e0c5f9de..bff63da06 100644 --- a/lib/memchr.c +++ b/lib/memchr.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1991, 1993, 1996-1997, 1999-2000, 2003-2004, 2006, 2008-2019 +/* Copyright (C) 1991, 1993, 1996-1997, 1999-2000, 2003-2004, 2006, 2008-2020 Free Software Foundation, Inc. Based on strlen implementation by Torbjorn Granlund (tege@sics.se), diff --git a/lib/memchr.valgrind b/lib/memchr.valgrind index 1d60e29ba..f6dd20992 100644 --- a/lib/memchr.valgrind +++ b/lib/memchr.valgrind @@ -1,6 +1,6 @@ # Suppress a valgrind message about use of uninitialized memory in memchr(). -# Copyright (C) 2009-2019 Free Software Foundation, Inc. +# Copyright (C) 2009-2020 Free Software Foundation, Inc. # # This program is free software: you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by diff --git a/lib/mempcpy.c b/lib/mempcpy.c index d0220e10f..fe832d7bc 100644 --- a/lib/mempcpy.c +++ b/lib/mempcpy.c @@ -1,5 +1,5 @@ /* Copy memory area and return pointer after last written byte. - Copyright (C) 2003, 2007, 2009-2019 Free Software Foundation, Inc. + Copyright (C) 2003, 2007, 2009-2020 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by diff --git a/lib/minmax.h b/lib/minmax.h index d7f6bea06..b9477767b 100644 --- a/lib/minmax.h +++ b/lib/minmax.h @@ -1,5 +1,5 @@ /* MIN, MAX macros. - Copyright (C) 1995, 1998, 2001, 2003, 2005, 2009-2019 Free Software + Copyright (C) 1995, 1998, 2001, 2003, 2005, 2009-2020 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify diff --git a/lib/mkdir.c b/lib/mkdir.c index b8320d00f..c0d4b6165 100644 --- a/lib/mkdir.c +++ b/lib/mkdir.c @@ -1,7 +1,7 @@ /* On some systems, mkdir ("foo/", 0700) fails because of the trailing slash. On those systems, this wrapper removes the trailing slash. - Copyright (C) 2001, 2003, 2006, 2008-2019 Free Software Foundation, Inc. + Copyright (C) 2001, 2003, 2006, 2008-2020 Free Software Foundation, Inc. This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by diff --git a/lib/mkstemp.c b/lib/mkstemp.c index 7ef0420ca..c809de852 100644 --- a/lib/mkstemp.c +++ b/lib/mkstemp.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1998-1999, 2001, 2005-2007, 2009-2019 Free Software +/* Copyright (C) 1998-1999, 2001, 2005-2007, 2009-2020 Free Software Foundation, Inc. This file is derived from the one in the GNU C Library. diff --git a/lib/mkstemps.c b/lib/mkstemps.c index f24fed1b2..e90305296 100644 --- a/lib/mkstemps.c +++ b/lib/mkstemps.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1998-1999, 2001, 2005-2007, 2009-2019 Free Software +/* Copyright (C) 1998-1999, 2001, 2005-2007, 2009-2020 Free Software Foundation, Inc. This file is derived from the one in the GNU C Library. diff --git a/lib/msvc-inval.c b/lib/msvc-inval.c index 75b5a070a..863668889 100644 --- a/lib/msvc-inval.c +++ b/lib/msvc-inval.c @@ -1,5 +1,5 @@ /* Invalid parameter handler for MSVC runtime libraries. - Copyright (C) 2011-2019 Free Software Foundation, Inc. + Copyright (C) 2011-2020 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by diff --git a/lib/msvc-inval.h b/lib/msvc-inval.h index 9d3aa1f7a..93ee7859c 100644 --- a/lib/msvc-inval.h +++ b/lib/msvc-inval.h @@ -1,5 +1,5 @@ /* Invalid parameter handler for MSVC runtime libraries. - Copyright (C) 2011-2019 Free Software Foundation, Inc. + Copyright (C) 2011-2020 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by diff --git a/lib/msvc-nothrow.c b/lib/msvc-nothrow.c index 49b709ca4..bf93b8824 100644 --- a/lib/msvc-nothrow.c +++ b/lib/msvc-nothrow.c @@ -1,6 +1,6 @@ /* Wrappers that don't throw invalid parameter notifications with MSVC runtime libraries. - Copyright (C) 2011-2019 Free Software Foundation, Inc. + Copyright (C) 2011-2020 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by diff --git a/lib/msvc-nothrow.h b/lib/msvc-nothrow.h index 8d3ca7892..fca541573 100644 --- a/lib/msvc-nothrow.h +++ b/lib/msvc-nothrow.h @@ -1,6 +1,6 @@ /* Wrappers that don't throw invalid parameter notifications with MSVC runtime libraries. - Copyright (C) 2011-2019 Free Software Foundation, Inc. + Copyright (C) 2011-2020 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by diff --git a/lib/pathmax.h b/lib/pathmax.h index 9463a1fb2..15a236fae 100644 --- a/lib/pathmax.h +++ b/lib/pathmax.h @@ -1,5 +1,5 @@ /* Define PATH_MAX somehow. Requires sys/types.h. - Copyright (C) 1992, 1999, 2001, 2003, 2005, 2009-2019 Free Software + Copyright (C) 1992, 1999, 2001, 2003, 2005, 2009-2020 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify @@ -20,7 +20,7 @@ /* POSIX:2008 defines PATH_MAX to be the maximum number of bytes in a filename, including the terminating NUL byte. - + PATH_MAX is not defined on systems which have no limit on filename length, such as GNU/Hurd. diff --git a/lib/printf-args.c b/lib/printf-args.c index e45cfbede..943b77c23 100644 --- a/lib/printf-args.c +++ b/lib/printf-args.c @@ -1,5 +1,5 @@ /* Decomposed printf argument list. - Copyright (C) 1999, 2002-2003, 2005-2007, 2009-2019 Free Software + Copyright (C) 1999, 2002-2003, 2005-2007, 2009-2020 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify @@ -65,14 +65,12 @@ PRINTF_FETCHARGS (va_list args, arguments *a) case TYPE_ULONGINT: ap->a.a_ulongint = va_arg (args, unsigned long int); break; -#if HAVE_LONG_LONG_INT case TYPE_LONGLONGINT: ap->a.a_longlongint = va_arg (args, long long int); break; case TYPE_ULONGLONGINT: ap->a.a_ulonglongint = va_arg (args, unsigned long long int); break; -#endif case TYPE_DOUBLE: ap->a.a_double = va_arg (args, double); break; @@ -135,11 +133,9 @@ PRINTF_FETCHARGS (va_list args, arguments *a) case TYPE_COUNT_LONGINT_POINTER: ap->a.a_count_longint_pointer = va_arg (args, long int *); break; -#if HAVE_LONG_LONG_INT case TYPE_COUNT_LONGLONGINT_POINTER: ap->a.a_count_longlongint_pointer = va_arg (args, long long int *); break; -#endif #if ENABLE_UNISTDIO /* The unistdio extensions. */ case TYPE_U8_STRING: diff --git a/lib/printf-args.h b/lib/printf-args.h index 866cba04d..781f57238 100644 --- a/lib/printf-args.h +++ b/lib/printf-args.h @@ -1,5 +1,5 @@ /* Decomposed printf argument list. - Copyright (C) 1999, 2002-2003, 2006-2007, 2011-2019 Free Software + Copyright (C) 1999, 2002-2003, 2006-2007, 2011-2020 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify @@ -57,10 +57,8 @@ typedef enum TYPE_UINT, TYPE_LONGINT, TYPE_ULONGINT, -#if HAVE_LONG_LONG_INT TYPE_LONGLONGINT, TYPE_ULONGLONGINT, -#endif TYPE_DOUBLE, TYPE_LONGDOUBLE, TYPE_CHAR, @@ -75,10 +73,8 @@ typedef enum TYPE_COUNT_SCHAR_POINTER, TYPE_COUNT_SHORT_POINTER, TYPE_COUNT_INT_POINTER, - TYPE_COUNT_LONGINT_POINTER -#if HAVE_LONG_LONG_INT -, TYPE_COUNT_LONGLONGINT_POINTER -#endif + TYPE_COUNT_LONGINT_POINTER, + TYPE_COUNT_LONGLONGINT_POINTER #if ENABLE_UNISTDIO /* The unistdio extensions. */ , TYPE_U8_STRING @@ -101,10 +97,8 @@ typedef struct unsigned int a_uint; long int a_longint; unsigned long int a_ulongint; -#if HAVE_LONG_LONG_INT long long int a_longlongint; unsigned long long int a_ulonglongint; -#endif float a_float; double a_double; long double a_longdouble; @@ -121,9 +115,7 @@ typedef struct short * a_count_short_pointer; int * a_count_int_pointer; long int * a_count_longint_pointer; -#if HAVE_LONG_LONG_INT long long int * a_count_longlongint_pointer; -#endif #if ENABLE_UNISTDIO /* The unistdio extensions. */ const uint8_t * a_u8_string; diff --git a/lib/printf-parse.c b/lib/printf-parse.c index 8596fd5f3..99ddbc37a 100644 --- a/lib/printf-parse.c +++ b/lib/printf-parse.c @@ -1,5 +1,5 @@ /* Formatted output to strings. - Copyright (C) 1999-2000, 2002-2003, 2006-2019 Free Software Foundation, Inc. + Copyright (C) 1999-2000, 2002-2003, 2006-2020 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -447,14 +447,12 @@ PRINTF_PARSE (const CHAR_T *format, DIRECTIVES *d, arguments *a) switch (c) { case 'd': case 'i': -#if HAVE_LONG_LONG_INT - /* If 'long long' exists and is larger than 'long': */ + /* If 'long long' is larger than 'long': */ if (flags >= 16 || (flags & 4)) type = TYPE_LONGLONGINT; else -#endif - /* If 'long long' exists and is the same as 'long', we parse - "lld" into TYPE_LONGINT. */ + /* If 'long long' is the same as 'long', we parse "lld" into + TYPE_LONGINT. */ if (flags >= 8) type = TYPE_LONGINT; else if (flags & 2) @@ -465,14 +463,12 @@ PRINTF_PARSE (const CHAR_T *format, DIRECTIVES *d, arguments *a) type = TYPE_INT; break; case 'o': case 'u': case 'x': case 'X': -#if HAVE_LONG_LONG_INT - /* If 'long long' exists and is larger than 'long': */ + /* If 'unsigned long long' is larger than 'unsigned long': */ if (flags >= 16 || (flags & 4)) type = TYPE_ULONGLONGINT; else -#endif - /* If 'unsigned long long' exists and is the same as - 'unsigned long', we parse "llu" into TYPE_ULONGINT. */ + /* If 'unsigned long long' is the same as 'unsigned long', we + parse "llu" into TYPE_ULONGINT. */ if (flags >= 8) type = TYPE_ULONGINT; else if (flags & 2) @@ -525,14 +521,12 @@ PRINTF_PARSE (const CHAR_T *format, DIRECTIVES *d, arguments *a) type = TYPE_POINTER; break; case 'n': -#if HAVE_LONG_LONG_INT - /* If 'long long' exists and is larger than 'long': */ + /* If 'long long' is larger than 'long': */ if (flags >= 16 || (flags & 4)) type = TYPE_COUNT_LONGLONGINT_POINTER; else -#endif - /* If 'long long' exists and is the same as 'long', we parse - "lln" into TYPE_COUNT_LONGINT_POINTER. */ + /* If 'long long' is the same as 'long', we parse "lln" into + TYPE_COUNT_LONGINT_POINTER. */ if (flags >= 8) type = TYPE_COUNT_LONGINT_POINTER; else if (flags & 2) diff --git a/lib/printf-parse.h b/lib/printf-parse.h index 746bb3fe0..34b91f4f7 100644 --- a/lib/printf-parse.h +++ b/lib/printf-parse.h @@ -1,5 +1,5 @@ /* Parse printf format string. - Copyright (C) 1999, 2002-2003, 2005, 2007, 2010-2019 Free Software + Copyright (C) 1999, 2002-2003, 2005, 2007, 2010-2020 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify diff --git a/lib/progname.c b/lib/progname.c index a42b7fa2f..d59d969ba 100644 --- a/lib/progname.c +++ b/lib/progname.c @@ -1,5 +1,5 @@ /* Program name management. - Copyright (C) 2001-2003, 2005-2019 Free Software Foundation, Inc. + Copyright (C) 2001-2003, 2005-2020 Free Software Foundation, Inc. Written by Bruno Haible , 2001. This program is free software: you can redistribute it and/or modify diff --git a/lib/progname.h b/lib/progname.h index c726e97e9..bc276cc8e 100644 --- a/lib/progname.h +++ b/lib/progname.h @@ -1,5 +1,5 @@ /* Program name management. - Copyright (C) 2001-2004, 2006, 2009-2019 Free Software Foundation, Inc. + Copyright (C) 2001-2004, 2006, 2009-2020 Free Software Foundation, Inc. Written by Bruno Haible , 2001. This program is free software: you can redistribute it and/or modify diff --git a/lib/quote.h b/lib/quote.h index 5cef8ff1e..391ff1a35 100644 --- a/lib/quote.h +++ b/lib/quote.h @@ -1,6 +1,6 @@ /* quote.h - prototypes for quote.c - Copyright (C) 1998-2001, 2003, 2009-2019 Free Software Foundation, Inc. + Copyright (C) 1998-2001, 2003, 2009-2020 Free Software Foundation, Inc. This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by diff --git a/lib/quotearg.c b/lib/quotearg.c index 773d53f11..c78fc1670 100644 --- a/lib/quotearg.c +++ b/lib/quotearg.c @@ -1,6 +1,6 @@ /* quotearg.c - quote arguments for output - Copyright (C) 1998-2002, 2004-2019 Free Software Foundation, Inc. + Copyright (C) 1998-2002, 2004-2020 Free Software Foundation, Inc. This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by diff --git a/lib/quotearg.h b/lib/quotearg.h index 0f07e0211..3bf149b39 100644 --- a/lib/quotearg.h +++ b/lib/quotearg.h @@ -1,6 +1,6 @@ /* quotearg.h - quote arguments for output - Copyright (C) 1998-2002, 2004, 2006, 2008-2019 Free Software Foundation, + Copyright (C) 1998-2002, 2004, 2006, 2008-2020 Free Software Foundation, Inc. This program is free software: you can redistribute it and/or modify @@ -323,7 +323,7 @@ void set_custom_quoting (struct quoting_options *o, On output, BUFFER might contain embedded null bytes if ARGSIZE was not -1, the style of O does not use backslash escapes, and the flags of O do not request elision of null bytes.*/ -size_t quotearg_buffer (char *buffer, size_t buffersize, +size_t quotearg_buffer (char *restrict buffer, size_t buffersize, char const *arg, size_t argsize, struct quoting_options const *o); diff --git a/lib/rawmemchr.c b/lib/rawmemchr.c index 7df61512f..04bf08415 100644 --- a/lib/rawmemchr.c +++ b/lib/rawmemchr.c @@ -1,5 +1,5 @@ /* Searching in a string. - Copyright (C) 2008-2019 Free Software Foundation, Inc. + Copyright (C) 2008-2020 Free Software Foundation, Inc. This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by diff --git a/lib/rawmemchr.valgrind b/lib/rawmemchr.valgrind index 3d91a7271..53c5b317d 100644 --- a/lib/rawmemchr.valgrind +++ b/lib/rawmemchr.valgrind @@ -1,6 +1,6 @@ # Suppress a valgrind message about use of uninitialized memory in rawmemchr(). -# Copyright (C) 2008-2019 Free Software Foundation, Inc. +# Copyright (C) 2008-2020 Free Software Foundation, Inc. # # This program is free software: you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by diff --git a/lib/secure_getenv.c b/lib/secure_getenv.c index fee7a2042..d39f6821a 100644 --- a/lib/secure_getenv.c +++ b/lib/secure_getenv.c @@ -1,6 +1,6 @@ /* Look up an environment variable, returning NULL in insecure situations. - Copyright 2013-2019 Free Software Foundation, Inc. + Copyright 2013-2020 Free Software Foundation, Inc. This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published diff --git a/lib/setlocale-lock.c b/lib/setlocale-lock.c new file mode 100644 index 000000000..7dde32d18 --- /dev/null +++ b/lib/setlocale-lock.c @@ -0,0 +1,150 @@ +/* Return the internal lock used by setlocale_null_r. + Copyright (C) 2019-2020 Free Software Foundation, Inc. + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see . */ + +/* Written by Bruno Haible , 2019. */ + +#include + +/* When it is known that the gl_get_setlocale_null_lock function is defined + by a dependency library, it should not be defined here. */ +#if OMIT_SETLOCALE_LOCK + +/* This declaration is solely to ensure that after preprocessing + this file is never empty. */ +typedef int dummy; + +#else + +/* This file defines the internal lock used by setlocale_null_r. + It is a separate compilation unit, so that only one copy of it is + present when linking statically. */ + +/* Prohibit renaming this symbol. */ +# undef gl_get_setlocale_null_lock + +/* Macro for exporting a symbol (function, not variable) defined in this file, + when compiled into a shared library. */ +# ifndef DLL_EXPORTED +# if HAVE_VISIBILITY + /* Override the effect of the compiler option '-fvisibility=hidden'. */ +# define DLL_EXPORTED __attribute__((__visibility__("default"))) +# elif defined _WIN32 || defined __CYGWIN__ +# define DLL_EXPORTED __declspec(dllexport) +# else +# define DLL_EXPORTED +# endif +# endif + +# if defined _WIN32 && !defined __CYGWIN__ + +# define WIN32_LEAN_AND_MEAN /* avoid including junk */ +# include + +# include "windows-initguard.h" + +/* The return type is a 'CRITICAL_SECTION *', not a 'glwthread_mutex_t *', + because the latter is not guaranteed to be a stable ABI in the future. */ + +/* Make sure the function gets exported from DLLs. */ +DLL_EXPORTED CRITICAL_SECTION *gl_get_setlocale_null_lock (void); + +static glwthread_initguard_t guard = GLWTHREAD_INITGUARD_INIT; +static CRITICAL_SECTION lock; + +/* Returns the internal lock used by setlocale_null_r. */ +CRITICAL_SECTION * +gl_get_setlocale_null_lock (void) +{ + if (!guard.done) + { + if (InterlockedIncrement (&guard.started) == 0) + { + /* This thread is the first one to need the lock. Initialize it. */ + InitializeCriticalSection (&lock); + guard.done = 1; + } + else + { + /* Don't let guard.started grow and wrap around. */ + InterlockedDecrement (&guard.started); + /* Yield the CPU while waiting for another thread to finish + initializing this mutex. */ + while (!guard.done) + Sleep (0); + } + } + return &lock; +} + +# elif HAVE_PTHREAD_API + +# include + +static pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER; + +/* Make sure the function gets exported from shared libraries. */ +DLL_EXPORTED pthread_mutex_t *gl_get_setlocale_null_lock (void); + +/* Returns the internal lock used by setlocale_null_r. */ +pthread_mutex_t * +gl_get_setlocale_null_lock (void) +{ + return &mutex; +} + +# elif HAVE_THREADS_H + +# include +# include + +static int volatile init_needed = 1; +static once_flag init_once = ONCE_FLAG_INIT; +static mtx_t mutex; + +static void +atomic_init (void) +{ + if (mtx_init (&mutex, mtx_plain) != thrd_success) + abort (); + init_needed = 0; +} + +/* Make sure the function gets exported from shared libraries. */ +DLL_EXPORTED mtx_t *gl_get_setlocale_null_lock (void); + +/* Returns the internal lock used by setlocale_null_r. */ +mtx_t * +gl_get_setlocale_null_lock (void) +{ + if (init_needed) + call_once (&init_once, atomic_init); + return &mutex; +} + +# endif + +# if (defined _WIN32 || defined __CYGWIN__) && !defined _MSC_VER +/* Make sure the '__declspec(dllimport)' in setlocale_null.c does not cause + a link failure when no DLLs are involved. */ +# if defined _WIN64 || defined _LP64 +# define IMP(x) __imp_##x +# else +# define IMP(x) _imp__##x +# endif +void * IMP(gl_get_setlocale_null_lock) = &gl_get_setlocale_null_lock; +# endif + +#endif diff --git a/lib/setlocale_null.c b/lib/setlocale_null.c new file mode 100644 index 000000000..abe55b5a3 --- /dev/null +++ b/lib/setlocale_null.c @@ -0,0 +1,411 @@ +/* Query the name of the current global locale. + Copyright (C) 2019-2020 Free Software Foundation, Inc. + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see . */ + +/* Written by Bruno Haible , 2019. */ + +#include + +/* Specification. */ +#include "setlocale_null.h" + +#include +#include +#include +#include +#if defined _WIN32 && !defined __CYGWIN__ +# include +#endif + +#if !(SETLOCALE_NULL_ALL_MTSAFE && SETLOCALE_NULL_ONE_MTSAFE) +# if defined _WIN32 && !defined __CYGWIN__ + +# define WIN32_LEAN_AND_MEAN /* avoid including junk */ +# include + +# elif HAVE_PTHREAD_API + +# include +# if HAVE_THREADS_H && HAVE_WEAK_SYMBOLS +# include +# pragma weak thrd_exit +# define c11_threads_in_use() (thrd_exit != NULL) +# else +# define c11_threads_in_use() 0 +# endif + +# elif HAVE_THREADS_H + +# include + +# endif +#endif + +/* Use the system's setlocale() function, not the gnulib override, here. */ +#undef setlocale + +static const char * +setlocale_null_androidfix (int category) +{ + const char *result = setlocale (category, NULL); + +#ifdef __ANDROID__ + if (result == NULL) + switch (category) + { + case LC_CTYPE: + case LC_NUMERIC: + case LC_TIME: + case LC_COLLATE: + case LC_MONETARY: + case LC_MESSAGES: + case LC_ALL: + case LC_PAPER: + case LC_NAME: + case LC_ADDRESS: + case LC_TELEPHONE: + case LC_MEASUREMENT: + result = "C"; + break; + default: + break; + } +#endif + + return result; +} + +static int +setlocale_null_unlocked (int category, char *buf, size_t bufsize) +{ +#if defined _WIN32 && !defined __CYGWIN__ && defined _MSC_VER + /* On native Windows, nowadays, the setlocale() implementation is based + on _wsetlocale() and uses malloc() for the result. We are better off + using _wsetlocale() directly. */ + const wchar_t *result = _wsetlocale (category, NULL); + + if (result == NULL) + { + /* CATEGORY is invalid. */ + if (bufsize > 0) + /* Return an empty string in BUF. + This is a convenience for callers that don't want to write explicit + code for handling EINVAL. */ + buf[0] = '\0'; + return EINVAL; + } + else + { + size_t length = wcslen (result); + if (length < bufsize) + { + size_t i; + + /* Convert wchar_t[] -> char[], assuming plain ASCII. */ + for (i = 0; i <= length; i++) + buf[i] = result[i]; + + return 0; + } + else + { + if (bufsize > 0) + { + /* Return a truncated result in BUF. + This is a convenience for callers that don't want to write + explicit code for handling ERANGE. */ + size_t i; + + /* Convert wchar_t[] -> char[], assuming plain ASCII. */ + for (i = 0; i < bufsize; i++) + buf[i] = result[i]; + buf[bufsize - 1] = '\0'; + } + return ERANGE; + } + } +#else + const char *result = setlocale_null_androidfix (category); + + if (result == NULL) + { + /* CATEGORY is invalid. */ + if (bufsize > 0) + /* Return an empty string in BUF. + This is a convenience for callers that don't want to write explicit + code for handling EINVAL. */ + buf[0] = '\0'; + return EINVAL; + } + else + { + size_t length = strlen (result); + if (length < bufsize) + { + memcpy (buf, result, length + 1); + return 0; + } + else + { + if (bufsize > 0) + { + /* Return a truncated result in BUF. + This is a convenience for callers that don't want to write + explicit code for handling ERANGE. */ + memcpy (buf, result, bufsize - 1); + buf[bufsize - 1] = '\0'; + } + return ERANGE; + } + } +#endif +} + +#if !(SETLOCALE_NULL_ALL_MTSAFE && SETLOCALE_NULL_ONE_MTSAFE) /* musl libc, macOS, FreeBSD, NetBSD, OpenBSD, AIX, Haiku, Cygwin */ + +/* Use a lock, so that no two threads can invoke setlocale_null_unlocked + at the same time. */ + +/* Prohibit renaming this symbol. */ +# undef gl_get_setlocale_null_lock + +# if defined _WIN32 && !defined __CYGWIN__ + +extern __declspec(dllimport) CRITICAL_SECTION *gl_get_setlocale_null_lock (void); + +static int +setlocale_null_with_lock (int category, char *buf, size_t bufsize) +{ + CRITICAL_SECTION *lock = gl_get_setlocale_null_lock (); + int ret; + + EnterCriticalSection (lock); + ret = setlocale_null_unlocked (category, buf, bufsize); + LeaveCriticalSection (lock); + + return ret; +} + +# elif HAVE_PTHREAD_API /* musl libc, macOS, FreeBSD, NetBSD, OpenBSD, AIX, Haiku, Cygwin */ + +extern +# if defined _WIN32 || defined __CYGWIN__ + __declspec(dllimport) +# endif + pthread_mutex_t *gl_get_setlocale_null_lock (void); + +# if HAVE_WEAK_SYMBOLS /* musl libc, FreeBSD, NetBSD, OpenBSD, Haiku */ + + /* Avoid the need to link with '-lpthread'. */ +# pragma weak pthread_mutex_lock +# pragma weak pthread_mutex_unlock + + /* Determine whether libpthread is in use. */ +# pragma weak pthread_mutexattr_gettype + /* See the comments in lock.h. */ +# define pthread_in_use() \ + (pthread_mutexattr_gettype != NULL || c11_threads_in_use ()) + +# else +# define pthread_in_use() 1 +# endif + +static int +setlocale_null_with_lock (int category, char *buf, size_t bufsize) +{ + if (pthread_in_use()) + { + pthread_mutex_t *lock = gl_get_setlocale_null_lock (); + int ret; + + if (pthread_mutex_lock (lock)) + abort (); + ret = setlocale_null_unlocked (category, buf, bufsize); + if (pthread_mutex_unlock (lock)) + abort (); + + return ret; + } + else + return setlocale_null_unlocked (category, buf, bufsize); +} + +# elif HAVE_THREADS_H + +extern mtx_t *gl_get_setlocale_null_lock (void); + +static int +setlocale_null_with_lock (int category, char *buf, size_t bufsize) +{ + mtx_t *lock = gl_get_setlocale_null_lock (); + int ret; + + if (mtx_lock (lock) != thrd_success) + abort (); + ret = setlocale_null_unlocked (category, buf, bufsize); + if (mtx_unlock (lock) != thrd_success) + abort (); + + return ret; +} + +# endif + +#endif + +int +setlocale_null_r (int category, char *buf, size_t bufsize) +{ +#if SETLOCALE_NULL_ALL_MTSAFE +# if SETLOCALE_NULL_ONE_MTSAFE + + return setlocale_null_unlocked (category, buf, bufsize); + +# else + + if (category == LC_ALL) + return setlocale_null_unlocked (category, buf, bufsize); + else + return setlocale_null_with_lock (category, buf, bufsize); + +# endif +#else +# if SETLOCALE_NULL_ONE_MTSAFE + + if (category == LC_ALL) + return setlocale_null_with_lock (category, buf, bufsize); + else + return setlocale_null_unlocked (category, buf, bufsize); + +# else + + return setlocale_null_with_lock (category, buf, bufsize); + +# endif +#endif +} + +const char * +setlocale_null (int category) +{ +#if SETLOCALE_NULL_ALL_MTSAFE && SETLOCALE_NULL_ONE_MTSAFE + return setlocale_null_androidfix (category); +#else + + /* This call must be multithread-safe. To achieve this without using + thread-local storage: + 1. We use a specific static buffer for each possible CATEGORY + argument. So that different threads can call setlocale_mtsafe + with different CATEGORY arguments, without interfering. + 2. We use a simple strcpy or memcpy to fill this static buffer. + Filling it through, for example, strcpy + strcat would not be + guaranteed to leave the buffer's contents intact if another thread + is currently accessing it. If necessary, the contents is first + assembled in a stack-allocated buffer. */ + if (category == LC_ALL) + { +# if SETLOCALE_NULL_ALL_MTSAFE + return setlocale_null_androidfix (LC_ALL); +# else + char buf[SETLOCALE_NULL_ALL_MAX]; + static char resultbuf[SETLOCALE_NULL_ALL_MAX]; + + if (setlocale_null_r (LC_ALL, buf, sizeof (buf))) + return "C"; + strcpy (resultbuf, buf); + return resultbuf; +# endif + } + else + { +# if SETLOCALE_NULL_ONE_MTSAFE + return setlocale_null_androidfix (category); +# else + enum + { + LC_CTYPE_INDEX, + LC_NUMERIC_INDEX, + LC_TIME_INDEX, + LC_COLLATE_INDEX, + LC_MONETARY_INDEX, + LC_MESSAGES_INDEX, +# ifdef LC_PAPER + LC_PAPER_INDEX, +# endif +# ifdef LC_NAME + LC_NAME_INDEX, +# endif +# ifdef LC_ADDRESS + LC_ADDRESS_INDEX, +# endif +# ifdef LC_TELEPHONE + LC_TELEPHONE_INDEX, +# endif +# ifdef LC_MEASUREMENT + LC_MEASUREMENT_INDEX, +# endif +# ifdef LC_IDENTIFICATION + LC_IDENTIFICATION_INDEX, +# endif + LC_INDICES_COUNT + } + i; + char buf[SETLOCALE_NULL_MAX]; + static char resultbuf[LC_INDICES_COUNT][SETLOCALE_NULL_MAX]; + int err; + + err = setlocale_null_r (category, buf, sizeof (buf)); + if (err == EINVAL) + return NULL; + if (err) + return "C"; + + switch (category) + { + case LC_CTYPE: i = LC_CTYPE_INDEX; break; + case LC_NUMERIC: i = LC_NUMERIC_INDEX; break; + case LC_TIME: i = LC_TIME_INDEX; break; + case LC_COLLATE: i = LC_COLLATE_INDEX; break; + case LC_MONETARY: i = LC_MONETARY_INDEX; break; + case LC_MESSAGES: i = LC_MESSAGES_INDEX; break; +# ifdef LC_PAPER + case LC_PAPER: i = LC_PAPER_INDEX; break; +# endif +# ifdef LC_NAME + case LC_NAME: i = LC_NAME_INDEX; break; +# endif +# ifdef LC_ADDRESS + case LC_ADDRESS: i = LC_ADDRESS_INDEX; break; +# endif +# ifdef LC_TELEPHONE + case LC_TELEPHONE: i = LC_TELEPHONE_INDEX; break; +# endif +# ifdef LC_MEASUREMENT + case LC_MEASUREMENT: i = LC_MEASUREMENT_INDEX; break; +# endif +# ifdef LC_IDENTIFICATION + case LC_IDENTIFICATION: i = LC_IDENTIFICATION_INDEX; break; +# endif + default: + /* If you get here, a #ifdef LC_xxx is missing. */ + abort (); + } + + strcpy (resultbuf[i], buf); + return resultbuf[i]; +# endif + } +#endif +} diff --git a/lib/setlocale_null.h b/lib/setlocale_null.h new file mode 100644 index 000000000..6844be5fa --- /dev/null +++ b/lib/setlocale_null.h @@ -0,0 +1,82 @@ +/* Query the name of the current global locale. + Copyright (C) 2019-2020 Free Software Foundation, Inc. + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see . */ + +/* Written by Bruno Haible , 2019. */ + +#ifndef _SETLOCALE_NULL_H +#define _SETLOCALE_NULL_H + +#include + +#include "arg-nonnull.h" + + +#ifdef __cplusplus +extern "C" { +#endif + + +/* Recommended size of a buffer for a locale name for a single category. + On glibc systems, you can have locale names that are relative file names; + assume a maximum length 256. + In native Windows, in 2018 the longest locale name was of length 58 + ("FYRO Macedonian_Former Yugoslav Republic of Macedonia.1251"). */ +#define SETLOCALE_NULL_MAX (256+1) + +/* Recommended size of a buffer for a locale name with all categories. + On glibc systems, you can have locale names that are relative file names; + assume maximum length 256 for each. There are 12 categories; so, the + maximum total length is 148+12*256. + In native Windows, there are 5 categories, and the maximum total length is + 55+5*58. */ +#define SETLOCALE_NULL_ALL_MAX (148+12*256+1) + +/* setlocale_null_r (CATEGORY, BUF, BUFSIZE) is like setlocale (CATEGORY, NULL), + except that + - it is guaranteed to be multithread-safe, + - it returns the resulting locale category name or locale name in the + user-supplied buffer BUF, which must be BUFSIZE bytes long. + The recommended minimum buffer size is + - SETLOCALE_NULL_MAX for CATEGORY != LC_ALL, and + - SETLOCALE_NULL_ALL_MAX for CATEGORY == LC_ALL. + The return value is an error code: 0 if the call is successful, EINVAL if + CATEGORY is invalid, or ERANGE if BUFSIZE is smaller than the length needed + size (including the trailing NUL byte). In the latter case, a truncated + result is returned in BUF, but still NUL-terminated if BUFSIZE > 0. + For this call to be multithread-safe, *all* calls to + setlocale (CATEGORY, NULL) in all other threads must have been converted + to use setlocale_null_r or setlocale_null as well, and the other threads + must not make other setlocale invocations (since changing the global locale + has side effects on all threads). */ +extern int setlocale_null_r (int category, char *buf, size_t bufsize) + _GL_ARG_NONNULL ((2)); + +/* setlocale_null (CATEGORY) is like setlocale (CATEGORY, NULL), except that + it is guaranteed to be multithread-safe. + The return value is NULL if CATEGORY is invalid. + For this call to be multithread-safe, *all* calls to + setlocale (CATEGORY, NULL) in all other threads must have been converted + to use setlocale_null_r or setlocale_null as well, and the other threads + must not make other setlocale invocations (since changing the global locale + has side effects on all threads). */ +extern const char *setlocale_null (int category); + + +#ifdef __cplusplus +} +#endif + +#endif /* _SETLOCALE_NULL_H */ diff --git a/lib/size_max.h b/lib/size_max.h index e265fb972..f6ab19fbe 100644 --- a/lib/size_max.h +++ b/lib/size_max.h @@ -1,5 +1,5 @@ /* size_max.h -- declare SIZE_MAX through system headers - Copyright (C) 2005-2006, 2009-2019 Free Software Foundation, Inc. + Copyright (C) 2005-2006, 2009-2020 Free Software Foundation, Inc. Written by Simon Josefsson. This program is free software; you can redistribute it and/or modify diff --git a/lib/sleep.c b/lib/sleep.c index c5218e5fd..8aca60550 100644 --- a/lib/sleep.c +++ b/lib/sleep.c @@ -1,5 +1,5 @@ /* Pausing execution of the current thread. - Copyright (C) 2007, 2009-2019 Free Software Foundation, Inc. + Copyright (C) 2007, 2009-2020 Free Software Foundation, Inc. Written by Bruno Haible , 2007. This program is free software: you can redistribute it and/or modify diff --git a/lib/stat-time.h b/lib/stat-time.h index 38a1f55a6..884ffd829 100644 --- a/lib/stat-time.h +++ b/lib/stat-time.h @@ -1,6 +1,6 @@ /* stat-related time functions. - Copyright (C) 2005, 2007, 2009-2019 Free Software Foundation, Inc. + Copyright (C) 2005, 2007, 2009-2020 Free Software Foundation, Inc. This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by diff --git a/lib/stat-w32.c b/lib/stat-w32.c index 60fe5f6e8..296ccf18c 100644 --- a/lib/stat-w32.c +++ b/lib/stat-w32.c @@ -1,5 +1,5 @@ /* Core of implementation of fstat and stat for native Windows. - Copyright (C) 2017-2019 Free Software Foundation, Inc. + Copyright (C) 2017-2020 Free Software Foundation, Inc. This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by diff --git a/lib/stat-w32.h b/lib/stat-w32.h index 6b961d7ff..491a754ba 100644 --- a/lib/stat-w32.h +++ b/lib/stat-w32.h @@ -1,5 +1,5 @@ /* Core of implementation of fstat and stat for native Windows. - Copyright (C) 2017-2019 Free Software Foundation, Inc. + Copyright (C) 2017-2020 Free Software Foundation, Inc. This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by diff --git a/lib/stat.c b/lib/stat.c index 1c28aa452..e074e6a0a 100644 --- a/lib/stat.c +++ b/lib/stat.c @@ -1,5 +1,5 @@ /* Work around platform bugs in stat. - Copyright (C) 2009-2019 Free Software Foundation, Inc. + Copyright (C) 2009-2020 Free Software Foundation, Inc. This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -113,7 +113,7 @@ rpl_stat (char const *name, struct stat *buf) around length limitations ? */ - /* POSIX + /* POSIX specifies: "More than two leading characters shall be treated as a single character." */ if (ISSLASH (name[0]) && ISSLASH (name[1]) && ISSLASH (name[2])) @@ -375,7 +375,7 @@ rpl_stat (char const *name, struct stat *buf) case ERROR_ACCESS_DENIED: /* rname is such as 'C:\System Volume Information\foo'. */ case ERROR_SHARING_VIOLATION: /* rname is such as 'C:\pagefile.sys' (second approach only). */ - /* XXX map to EACCESS or EPERM? */ + /* XXX map to EACCES or EPERM? */ errno = EACCES; break; @@ -398,7 +398,7 @@ rpl_stat (char const *name, struct stat *buf) errno = ENAMETOOLONG; break; - case ERROR_DELETE_PENDING: /* XXX map to EACCESS or EPERM? */ + case ERROR_DELETE_PENDING: /* XXX map to EACCES or EPERM? */ errno = EPERM; break; diff --git a/lib/stdalign.in.h b/lib/stdalign.in.h index d988d7c19..cd786bed2 100644 --- a/lib/stdalign.in.h +++ b/lib/stdalign.in.h @@ -1,6 +1,6 @@ /* A substitute for ISO C11 . - Copyright 2011-2019 Free Software Foundation, Inc. + Copyright 2011-2020 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -102,7 +102,7 @@ # define _Alignas(a) alignas (a) # elif ((defined __APPLE__ && defined __MACH__ \ ? 4 < __GNUC__ + (1 <= __GNUC_MINOR__) \ - : __GNUC__) \ + : __GNUC__ && !defined __ibmxl__) \ || (__ia64 && (61200 <= __HP_cc || 61200 <= __HP_aCC)) \ || __ICC || 0x590 <= __SUNPRO_C || 0x0600 <= __xlC__) # define _Alignas(a) __attribute__ ((__aligned__ (a))) diff --git a/lib/stdbool.in.h b/lib/stdbool.in.h index 8158b009f..baacf98a3 100644 --- a/lib/stdbool.in.h +++ b/lib/stdbool.in.h @@ -1,4 +1,4 @@ -/* Copyright (C) 2001-2003, 2006-2019 Free Software Foundation, Inc. +/* Copyright (C) 2001-2003, 2006-2020 Free Software Foundation, Inc. Written by Bruno Haible , 2001. This program is free software; you can redistribute it and/or modify diff --git a/lib/stddef.in.h b/lib/stddef.in.h index 5aad1210d..2e50a1f01 100644 --- a/lib/stddef.in.h +++ b/lib/stddef.in.h @@ -1,6 +1,6 @@ /* A substitute for POSIX 2008 , for platforms that have issues. - Copyright (C) 2009-2019 Free Software Foundation, Inc. + Copyright (C) 2009-2020 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -19,7 +19,7 @@ /* * POSIX 2008 for platforms that have issues. - * + * */ #if __GNUC__ >= 3 @@ -83,20 +83,26 @@ /* Some platforms lack max_align_t. The check for _GCC_MAX_ALIGN_T is a hack in case the configure-time test was done with g++ even though - we are currently compiling with gcc. */ -#if ! (@HAVE_MAX_ALIGN_T@ || defined _GCC_MAX_ALIGN_T) -# if !GNULIB_defined_max_align_t + we are currently compiling with gcc. + On MSVC, max_align_t is defined only in C++ mode, after was + included. Its definition is good since it has an alignment of 8 (on x86 + and x86_64). */ +#if defined _MSC_VER && defined __cplusplus +# include +#else +# if ! (@HAVE_MAX_ALIGN_T@ || defined _GCC_MAX_ALIGN_T) +# if !GNULIB_defined_max_align_t /* On the x86, the maximum storage alignment of double, long, etc. is 4, but GCC's C11 ABI for x86 says that max_align_t has an alignment of 8, and the C11 standard allows this. Work around this problem by using __alignof__ (which returns 8 for double) rather than _Alignof (which returns 4), and align each union member accordingly. */ -# ifdef __GNUC__ -# define _GL_STDDEF_ALIGNAS(type) \ - __attribute__ ((__aligned__ (__alignof__ (type)))) -# else -# define _GL_STDDEF_ALIGNAS(type) /* */ -# endif +# ifdef __GNUC__ +# define _GL_STDDEF_ALIGNAS(type) \ + __attribute__ ((__aligned__ (__alignof__ (type)))) +# else +# define _GL_STDDEF_ALIGNAS(type) /* */ +# endif typedef union { char *__p _GL_STDDEF_ALIGNAS (char *); @@ -104,8 +110,9 @@ typedef union long double __ld _GL_STDDEF_ALIGNAS (long double); long int __i _GL_STDDEF_ALIGNAS (long int); } rpl_max_align_t; -# define max_align_t rpl_max_align_t -# define GNULIB_defined_max_align_t 1 +# define max_align_t rpl_max_align_t +# define GNULIB_defined_max_align_t 1 +# endif # endif #endif diff --git a/lib/stdint.in.h b/lib/stdint.in.h index 21dd8d23e..994c0c777 100644 --- a/lib/stdint.in.h +++ b/lib/stdint.in.h @@ -1,4 +1,4 @@ -/* Copyright (C) 2001-2002, 2004-2019 Free Software Foundation, Inc. +/* Copyright (C) 2001-2002, 2004-2020 Free Software Foundation, Inc. Written by Paul Eggert, Bruno Haible, Sam Steingold, Peter Burwood. This file is part of gnulib. @@ -17,7 +17,7 @@ /* * ISO C 99 for platforms that lack it. - * + * */ #ifndef _@GUARD_PREFIX@_STDINT_H @@ -188,7 +188,7 @@ typedef long int gl_int64_t; typedef __int64 gl_int64_t; # define int64_t gl_int64_t # define GL_INT64_T -# elif @HAVE_LONG_LONG_INT@ +# else # undef int64_t typedef long long int gl_int64_t; # define int64_t gl_int64_t @@ -209,7 +209,7 @@ typedef unsigned long int gl_uint64_t; typedef unsigned __int64 gl_uint64_t; # define uint64_t gl_uint64_t # define GL_UINT64_T -# elif @HAVE_UNSIGNED_LONG_LONG_INT@ +# else # undef uint64_t typedef unsigned long long int gl_uint64_t; # define uint64_t gl_uint64_t @@ -299,16 +299,26 @@ typedef gl_uint_fast32_t gl_uint_fast16_t; /* 7.18.1.4. Integer types capable of holding object pointers */ -/* kLIBC's stdint.h defines _INTPTR_T_DECLARED and needs its own +/* kLIBC's defines _INTPTR_T_DECLARED and needs its own definitions of intptr_t and uintptr_t (which use int and unsigned) - to avoid clashes with declarations of system functions like sbrk. */ -# ifndef _INTPTR_T_DECLARED -# undef intptr_t -# undef uintptr_t + to avoid clashes with declarations of system functions like sbrk. + Similarly, mingw 5.22 defines _INTPTR_T_DEFINED and + _UINTPTR_T_DEFINED and needs its own definitions of intptr_t and + uintptr_t to avoid conflicting declarations of system functions like + _findclose in . */ +# if !((defined __KLIBC__ && defined _INTPTR_T_DECLARED) \ + || (defined __MINGW32__ && defined _INTPTR_T_DEFINED && defined _UINTPTR_T_DEFINED)) +# undef intptr_t +# undef uintptr_t +# ifdef _WIN64 +typedef long long int gl_intptr_t; +typedef unsigned long long int gl_uintptr_t; +# else typedef long int gl_intptr_t; typedef unsigned long int gl_uintptr_t; -# define intptr_t gl_intptr_t -# define uintptr_t gl_uintptr_t +# endif +# define intptr_t gl_intptr_t +# define uintptr_t gl_uintptr_t # endif /* 7.18.1.5. Greatest-width integer types */ @@ -323,7 +333,7 @@ typedef unsigned long int gl_uintptr_t; # ifndef INTMAX_MAX # undef INTMAX_C # undef intmax_t -# if @HAVE_LONG_LONG_INT@ && LONG_MAX >> 30 == 1 +# if LONG_MAX >> 30 == 1 typedef long long int gl_intmax_t; # define intmax_t gl_intmax_t # elif defined GL_INT64_T @@ -337,7 +347,7 @@ typedef long int gl_intmax_t; # ifndef UINTMAX_MAX # undef UINTMAX_C # undef uintmax_t -# if @HAVE_UNSIGNED_LONG_LONG_INT@ && ULONG_MAX >> 31 == 1 +# if ULONG_MAX >> 31 == 1 typedef unsigned long long int gl_uintmax_t; # define uintmax_t gl_uintmax_t # elif defined GL_UINT64_T @@ -485,9 +495,15 @@ typedef int _verify_intmax_size[sizeof (intmax_t) == sizeof (uintmax_t) # undef INTPTR_MIN # undef INTPTR_MAX # undef UINTPTR_MAX -# define INTPTR_MIN LONG_MIN -# define INTPTR_MAX LONG_MAX -# define UINTPTR_MAX ULONG_MAX +# ifdef _WIN64 +# define INTPTR_MIN LLONG_MIN +# define INTPTR_MAX LLONG_MAX +# define UINTPTR_MAX ULLONG_MAX +# else +# define INTPTR_MIN LONG_MIN +# define INTPTR_MAX LONG_MAX +# define UINTPTR_MAX ULONG_MAX +# endif /* 7.18.2.5. Limits of greatest-width integer types */ @@ -586,17 +602,21 @@ typedef int _verify_intmax_size[sizeof (intmax_t) == sizeof (uintmax_t) _STDINT_MAX (@HAVE_SIGNED_WCHAR_T@, @BITSIZEOF_WCHAR_T@, 0@WCHAR_T_SUFFIX@) /* wint_t limits */ -# undef WINT_MIN -# undef WINT_MAX -# if @HAVE_SIGNED_WINT_T@ -# define WINT_MIN \ - _STDINT_SIGNED_MIN (@BITSIZEOF_WINT_T@, 0@WINT_T_SUFFIX@) -# else -# define WINT_MIN \ - _STDINT_UNSIGNED_MIN (@BITSIZEOF_WINT_T@, 0@WINT_T_SUFFIX@) +/* If gnulib's or overrides wint_t, @WINT_T_SUFFIX@ is not + accurate, therefore use the definitions from above. */ +# if !@GNULIB_OVERRIDES_WINT_T@ +# undef WINT_MIN +# undef WINT_MAX +# if @HAVE_SIGNED_WINT_T@ +# define WINT_MIN \ + _STDINT_SIGNED_MIN (@BITSIZEOF_WINT_T@, 0@WINT_T_SUFFIX@) +# else +# define WINT_MIN \ + _STDINT_UNSIGNED_MIN (@BITSIZEOF_WINT_T@, 0@WINT_T_SUFFIX@) +# endif +# define WINT_MAX \ + _STDINT_MAX (@HAVE_SIGNED_WINT_T@, @BITSIZEOF_WINT_T@, 0@WINT_T_SUFFIX@) # endif -# define WINT_MAX \ - _STDINT_MAX (@HAVE_SIGNED_WINT_T@, @BITSIZEOF_WINT_T@, 0@WINT_T_SUFFIX@) /* 7.18.4. Macros for integer constants */ @@ -627,21 +647,21 @@ typedef int _verify_intmax_size[sizeof (intmax_t) == sizeof (uintmax_t) # define INT64_C(x) x##L # elif defined _MSC_VER # define INT64_C(x) x##i64 -# elif @HAVE_LONG_LONG_INT@ +# else # define INT64_C(x) x##LL # endif # if ULONG_MAX >> 31 >> 31 >> 1 == 1 # define UINT64_C(x) x##UL # elif defined _MSC_VER # define UINT64_C(x) x##ui64 -# elif @HAVE_UNSIGNED_LONG_LONG_INT@ +# else # define UINT64_C(x) x##ULL # endif /* 7.18.4.2. Macros for greatest-width integer constants */ # ifndef INTMAX_C -# if @HAVE_LONG_LONG_INT@ && LONG_MAX >> 30 == 1 +# if LONG_MAX >> 30 == 1 # define INTMAX_C(x) x##LL # elif defined GL_INT64_T # define INTMAX_C(x) INT64_C(x) @@ -651,7 +671,7 @@ typedef int _verify_intmax_size[sizeof (intmax_t) == sizeof (uintmax_t) # endif # ifndef UINTMAX_C -# if @HAVE_UNSIGNED_LONG_LONG_INT@ && ULONG_MAX >> 31 == 1 +# if ULONG_MAX >> 31 == 1 # define UINTMAX_C(x) x##ULL # elif defined GL_UINT64_T # define UINTMAX_C(x) UINT64_C(x) diff --git a/lib/stdio-impl.h b/lib/stdio-impl.h index 4260468b6..067b95ebd 100644 --- a/lib/stdio-impl.h +++ b/lib/stdio-impl.h @@ -1,5 +1,5 @@ /* Implementation details of FILE streams. - Copyright (C) 2007-2008, 2010-2019 Free Software Foundation, Inc. + Copyright (C) 2007-2008, 2010-2020 Free Software Foundation, Inc. This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -18,11 +18,16 @@ the same implementation of stdio extension API, except that some fields have different naming conventions, or their access requires some casts. */ -/* Glibc 2.28 made _IO_IN_BACKUP private. For now, work around this - problem by defining it ourselves. FIXME: Do not rely on glibc +/* Glibc 2.28 made _IO_UNBUFFERED and _IO_IN_BACKUP private. For now, work + around this problem by defining them ourselves. FIXME: Do not rely on glibc internals. */ -#if !defined _IO_IN_BACKUP && defined _IO_EOF_SEEN -# define _IO_IN_BACKUP 0x100 +#if defined _IO_EOF_SEEN +# if !defined _IO_UNBUFFERED +# define _IO_UNBUFFERED 0x2 +# endif +# if !defined _IO_IN_BACKUP +# define _IO_IN_BACKUP 0x100 +# endif #endif /* BSD stdio derived implementations. */ diff --git a/lib/stdio.in.h b/lib/stdio.in.h index 4a8aa5552..4a95f323a 100644 --- a/lib/stdio.in.h +++ b/lib/stdio.in.h @@ -1,6 +1,6 @@ /* A GNU-like . - Copyright (C) 2004, 2007-2019 Free Software Foundation, Inc. + Copyright (C) 2004, 2007-2020 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -171,17 +171,17 @@ # if !(defined __cplusplus && defined GNULIB_NAMESPACE) # define dprintf rpl_dprintf # endif -_GL_FUNCDECL_RPL (dprintf, int, (int fd, const char *format, ...) +_GL_FUNCDECL_RPL (dprintf, int, (int fd, const char *restrict format, ...) _GL_ATTRIBUTE_FORMAT_PRINTF (2, 3) _GL_ARG_NONNULL ((2))); -_GL_CXXALIAS_RPL (dprintf, int, (int fd, const char *format, ...)); +_GL_CXXALIAS_RPL (dprintf, int, (int fd, const char *restrict format, ...)); # else # if !@HAVE_DPRINTF@ -_GL_FUNCDECL_SYS (dprintf, int, (int fd, const char *format, ...) +_GL_FUNCDECL_SYS (dprintf, int, (int fd, const char *restrict format, ...) _GL_ATTRIBUTE_FORMAT_PRINTF (2, 3) _GL_ARG_NONNULL ((2))); # endif -_GL_CXXALIAS_SYS (dprintf, int, (int fd, const char *format, ...)); +_GL_CXXALIAS_SYS (dprintf, int, (int fd, const char *restrict format, ...)); # endif _GL_CXXALIASWARN (dprintf); #elif defined GNULIB_POSIXCHECK @@ -203,7 +203,9 @@ _GL_CXXALIAS_RPL (fclose, int, (FILE *stream)); # else _GL_CXXALIAS_SYS (fclose, int, (FILE *stream)); # endif +# if __GLIBC__ >= 2 _GL_CXXALIASWARN (fclose); +# endif #elif defined GNULIB_POSIXCHECK # undef fclose /* Assume fclose is always declared. */ @@ -247,7 +249,9 @@ _GL_CXXALIAS_RPL (fflush, int, (FILE *gl_stream)); # else _GL_CXXALIAS_SYS (fflush, int, (FILE *gl_stream)); # endif +# if __GLIBC__ >= 2 _GL_CXXALIASWARN (fflush); +# endif #elif defined GNULIB_POSIXCHECK # undef fflush /* Assume fflush is always declared. */ @@ -266,7 +270,9 @@ _GL_CXXALIAS_RPL (fgetc, int, (FILE *stream)); # else _GL_CXXALIAS_SYS (fgetc, int, (FILE *stream)); # endif +# if __GLIBC__ >= 2 _GL_CXXALIASWARN (fgetc); +# endif #endif #if @GNULIB_FGETS@ @@ -275,13 +281,18 @@ _GL_CXXALIASWARN (fgetc); # undef fgets # define fgets rpl_fgets # endif -_GL_FUNCDECL_RPL (fgets, char *, (char *s, int n, FILE *stream) - _GL_ARG_NONNULL ((1, 3))); -_GL_CXXALIAS_RPL (fgets, char *, (char *s, int n, FILE *stream)); +_GL_FUNCDECL_RPL (fgets, char *, + (char *restrict s, int n, FILE *restrict stream) + _GL_ARG_NONNULL ((1, 3))); +_GL_CXXALIAS_RPL (fgets, char *, + (char *restrict s, int n, FILE *restrict stream)); # else -_GL_CXXALIAS_SYS (fgets, char *, (char *s, int n, FILE *stream)); +_GL_CXXALIAS_SYS (fgets, char *, + (char *restrict s, int n, FILE *restrict stream)); # endif +# if __GLIBC__ >= 2 _GL_CXXALIASWARN (fgets); +# endif #endif #if @GNULIB_FOPEN@ @@ -290,13 +301,18 @@ _GL_CXXALIASWARN (fgets); # undef fopen # define fopen rpl_fopen # endif -_GL_FUNCDECL_RPL (fopen, FILE *, (const char *filename, const char *mode) - _GL_ARG_NONNULL ((1, 2))); -_GL_CXXALIAS_RPL (fopen, FILE *, (const char *filename, const char *mode)); +_GL_FUNCDECL_RPL (fopen, FILE *, + (const char *restrict filename, const char *restrict mode) + _GL_ARG_NONNULL ((1, 2))); +_GL_CXXALIAS_RPL (fopen, FILE *, + (const char *restrict filename, const char *restrict mode)); # else -_GL_CXXALIAS_SYS (fopen, FILE *, (const char *filename, const char *mode)); +_GL_CXXALIAS_SYS (fopen, FILE *, + (const char *restrict filename, const char *restrict mode)); # endif +# if __GLIBC__ >= 2 _GL_CXXALIASWARN (fopen); +# endif #elif defined GNULIB_POSIXCHECK # undef fopen /* Assume fopen is always declared. */ @@ -312,19 +328,25 @@ _GL_WARN_ON_USE (fopen, "fopen on native Windows platforms is not POSIX complian # endif # define GNULIB_overrides_fprintf 1 # if @GNULIB_FPRINTF_POSIX@ || @GNULIB_VFPRINTF_POSIX@ -_GL_FUNCDECL_RPL (fprintf, int, (FILE *fp, const char *format, ...) - _GL_ATTRIBUTE_FORMAT_PRINTF (2, 3) - _GL_ARG_NONNULL ((1, 2))); +_GL_FUNCDECL_RPL (fprintf, int, + (FILE *restrict fp, const char *restrict format, ...) + _GL_ATTRIBUTE_FORMAT_PRINTF (2, 3) + _GL_ARG_NONNULL ((1, 2))); # else -_GL_FUNCDECL_RPL (fprintf, int, (FILE *fp, const char *format, ...) - _GL_ATTRIBUTE_FORMAT_PRINTF_SYSTEM (2, 3) - _GL_ARG_NONNULL ((1, 2))); +_GL_FUNCDECL_RPL (fprintf, int, + (FILE *restrict fp, const char *restrict format, ...) + _GL_ATTRIBUTE_FORMAT_PRINTF_SYSTEM (2, 3) + _GL_ARG_NONNULL ((1, 2))); # endif -_GL_CXXALIAS_RPL (fprintf, int, (FILE *fp, const char *format, ...)); +_GL_CXXALIAS_RPL (fprintf, int, + (FILE *restrict fp, const char *restrict format, ...)); # else -_GL_CXXALIAS_SYS (fprintf, int, (FILE *fp, const char *format, ...)); +_GL_CXXALIAS_SYS (fprintf, int, + (FILE *restrict fp, const char *restrict format, ...)); # endif +# if __GLIBC__ >= 2 _GL_CXXALIASWARN (fprintf); +# endif #endif #if !@GNULIB_FPRINTF_POSIX@ && defined GNULIB_POSIXCHECK # if !GNULIB_overrides_fprintf @@ -375,7 +397,9 @@ _GL_CXXALIAS_RPL (fputc, int, (int c, FILE *stream)); # else _GL_CXXALIAS_SYS (fputc, int, (int c, FILE *stream)); # endif +# if __GLIBC__ >= 2 _GL_CXXALIASWARN (fputc); +# endif #endif #if @GNULIB_FPUTS@ @@ -384,13 +408,18 @@ _GL_CXXALIASWARN (fputc); # undef fputs # define fputs rpl_fputs # endif -_GL_FUNCDECL_RPL (fputs, int, (const char *string, FILE *stream) - _GL_ARG_NONNULL ((1, 2))); -_GL_CXXALIAS_RPL (fputs, int, (const char *string, FILE *stream)); +_GL_FUNCDECL_RPL (fputs, int, + (const char *restrict string, FILE *restrict stream) + _GL_ARG_NONNULL ((1, 2))); +_GL_CXXALIAS_RPL (fputs, int, + (const char *restrict string, FILE *restrict stream)); # else -_GL_CXXALIAS_SYS (fputs, int, (const char *string, FILE *stream)); +_GL_CXXALIAS_SYS (fputs, int, + (const char *restrict string, FILE *restrict stream)); # endif +# if __GLIBC__ >= 2 _GL_CXXALIASWARN (fputs); +# endif #endif #if @GNULIB_FREAD@ @@ -399,13 +428,21 @@ _GL_CXXALIASWARN (fputs); # undef fread # define fread rpl_fread # endif -_GL_FUNCDECL_RPL (fread, size_t, (void *ptr, size_t s, size_t n, FILE *stream) - _GL_ARG_NONNULL ((4))); -_GL_CXXALIAS_RPL (fread, size_t, (void *ptr, size_t s, size_t n, FILE *stream)); +_GL_FUNCDECL_RPL (fread, size_t, + (void *restrict ptr, size_t s, size_t n, + FILE *restrict stream) + _GL_ARG_NONNULL ((4))); +_GL_CXXALIAS_RPL (fread, size_t, + (void *restrict ptr, size_t s, size_t n, + FILE *restrict stream)); # else -_GL_CXXALIAS_SYS (fread, size_t, (void *ptr, size_t s, size_t n, FILE *stream)); +_GL_CXXALIAS_SYS (fread, size_t, + (void *restrict ptr, size_t s, size_t n, + FILE *restrict stream)); # endif +# if __GLIBC__ >= 2 _GL_CXXALIASWARN (fread); +# endif #endif #if @GNULIB_FREOPEN@ @@ -415,15 +452,20 @@ _GL_CXXALIASWARN (fread); # define freopen rpl_freopen # endif _GL_FUNCDECL_RPL (freopen, FILE *, - (const char *filename, const char *mode, FILE *stream) + (const char *restrict filename, const char *restrict mode, + FILE *restrict stream) _GL_ARG_NONNULL ((2, 3))); _GL_CXXALIAS_RPL (freopen, FILE *, - (const char *filename, const char *mode, FILE *stream)); + (const char *restrict filename, const char *restrict mode, + FILE *restrict stream)); # else _GL_CXXALIAS_SYS (freopen, FILE *, - (const char *filename, const char *mode, FILE *stream)); + (const char *restrict filename, const char *restrict mode, + FILE *restrict stream)); # endif +# if __GLIBC__ >= 2 _GL_CXXALIASWARN (freopen); +# endif #elif defined GNULIB_POSIXCHECK # undef freopen /* Assume freopen is always declared. */ @@ -438,14 +480,19 @@ _GL_WARN_ON_USE (freopen, # undef fscanf # define fscanf rpl_fscanf # endif -_GL_FUNCDECL_RPL (fscanf, int, (FILE *stream, const char *format, ...) - _GL_ATTRIBUTE_FORMAT_SCANF_SYSTEM (2, 3) - _GL_ARG_NONNULL ((1, 2))); -_GL_CXXALIAS_RPL (fscanf, int, (FILE *stream, const char *format, ...)); +_GL_FUNCDECL_RPL (fscanf, int, + (FILE *restrict stream, const char *restrict format, ...) + _GL_ATTRIBUTE_FORMAT_SCANF_SYSTEM (2, 3) + _GL_ARG_NONNULL ((1, 2))); +_GL_CXXALIAS_RPL (fscanf, int, + (FILE *restrict stream, const char *restrict format, ...)); # else -_GL_CXXALIAS_SYS (fscanf, int, (FILE *stream, const char *format, ...)); +_GL_CXXALIAS_SYS (fscanf, int, + (FILE *restrict stream, const char *restrict format, ...)); # endif +# if __GLIBC__ >= 2 _GL_CXXALIASWARN (fscanf); +# endif #endif @@ -496,7 +543,9 @@ _GL_CXXALIAS_RPL (fseek, int, (FILE *fp, long offset, int whence)); # else _GL_CXXALIAS_SYS (fseek, int, (FILE *fp, long offset, int whence)); # endif +# if __GLIBC__ >= 2 _GL_CXXALIASWARN (fseek); +# endif #endif #if @GNULIB_FSEEKO@ @@ -559,7 +608,9 @@ _GL_CXXALIAS_RPL (ftell, long, (FILE *fp)); # else _GL_CXXALIAS_SYS (ftell, long, (FILE *fp)); # endif +# if __GLIBC__ >= 2 _GL_CXXALIASWARN (ftell); +# endif #endif #if @GNULIB_FTELLO@ @@ -608,13 +659,16 @@ _GL_WARN_ON_USE (ftell, "ftell cannot handle files larger than 4 GB " # define fwrite rpl_fwrite # endif _GL_FUNCDECL_RPL (fwrite, size_t, - (const void *ptr, size_t s, size_t n, FILE *stream) + (const void *restrict ptr, size_t s, size_t n, + FILE *restrict stream) _GL_ARG_NONNULL ((1, 4))); _GL_CXXALIAS_RPL (fwrite, size_t, - (const void *ptr, size_t s, size_t n, FILE *stream)); + (const void *restrict ptr, size_t s, size_t n, + FILE *restrict stream)); # else _GL_CXXALIAS_SYS (fwrite, size_t, - (const void *ptr, size_t s, size_t n, FILE *stream)); + (const void *restrict ptr, size_t s, size_t n, + FILE *restrict stream)); /* Work around bug 11959 when fortifying glibc 2.4 through 2.15 , @@ -639,7 +693,9 @@ extern size_t __REDIRECT (rpl_fwrite_unlocked, # define fwrite_unlocked rpl_fwrite_unlocked # endif # endif +# if __GLIBC__ >= 2 _GL_CXXALIASWARN (fwrite); +# endif #endif #if @GNULIB_GETC@ @@ -653,7 +709,9 @@ _GL_CXXALIAS_RPL_1 (getc, rpl_fgetc, int, (FILE *stream)); # else _GL_CXXALIAS_SYS (getc, int, (FILE *stream)); # endif +# if __GLIBC__ >= 2 _GL_CXXALIASWARN (getc); +# endif #endif #if @GNULIB_GETCHAR@ @@ -667,7 +725,9 @@ _GL_CXXALIAS_RPL (getchar, int, (void)); # else _GL_CXXALIAS_SYS (getchar, int, (void)); # endif +# if __GLIBC__ >= 2 _GL_CXXALIASWARN (getchar); +# endif #endif #if @GNULIB_GETDELIM@ @@ -683,22 +743,26 @@ _GL_CXXALIASWARN (getchar); # define getdelim rpl_getdelim # endif _GL_FUNCDECL_RPL (getdelim, ssize_t, - (char **lineptr, size_t *linesize, int delimiter, - FILE *stream) + (char **restrict lineptr, size_t *restrict linesize, + int delimiter, + FILE *restrict stream) _GL_ARG_NONNULL ((1, 2, 4))); _GL_CXXALIAS_RPL (getdelim, ssize_t, - (char **lineptr, size_t *linesize, int delimiter, - FILE *stream)); + (char **restrict lineptr, size_t *restrict linesize, + int delimiter, + FILE *restrict stream)); # else # if !@HAVE_DECL_GETDELIM@ _GL_FUNCDECL_SYS (getdelim, ssize_t, - (char **lineptr, size_t *linesize, int delimiter, - FILE *stream) + (char **restrict lineptr, size_t *restrict linesize, + int delimiter, + FILE *restrict stream) _GL_ARG_NONNULL ((1, 2, 4))); # endif _GL_CXXALIAS_SYS (getdelim, ssize_t, - (char **lineptr, size_t *linesize, int delimiter, - FILE *stream)); + (char **restrict lineptr, size_t *restrict linesize, + int delimiter, + FILE *restrict stream)); # endif _GL_CXXALIASWARN (getdelim); #elif defined GNULIB_POSIXCHECK @@ -722,18 +786,22 @@ _GL_WARN_ON_USE (getdelim, "getdelim is unportable - " # define getline rpl_getline # endif _GL_FUNCDECL_RPL (getline, ssize_t, - (char **lineptr, size_t *linesize, FILE *stream) + (char **restrict lineptr, size_t *restrict linesize, + FILE *restrict stream) _GL_ARG_NONNULL ((1, 2, 3))); _GL_CXXALIAS_RPL (getline, ssize_t, - (char **lineptr, size_t *linesize, FILE *stream)); + (char **restrict lineptr, size_t *restrict linesize, + FILE *restrict stream)); # else # if !@HAVE_DECL_GETLINE@ _GL_FUNCDECL_SYS (getline, ssize_t, - (char **lineptr, size_t *linesize, FILE *stream) + (char **restrict lineptr, size_t *restrict linesize, + FILE *restrict stream) _GL_ARG_NONNULL ((1, 2, 3))); # endif _GL_CXXALIAS_SYS (getline, ssize_t, - (char **lineptr, size_t *linesize, FILE *stream)); + (char **restrict lineptr, size_t *restrict linesize, + FILE *restrict stream)); # endif # if @HAVE_DECL_GETLINE@ _GL_CXXALIASWARN (getline); @@ -832,7 +900,9 @@ _GL_CXXALIAS_RPL (perror, void, (const char *string)); # else _GL_CXXALIAS_SYS (perror, void, (const char *string)); # endif +# if __GLIBC__ >= 2 _GL_CXXALIASWARN (perror); +# endif #elif defined GNULIB_POSIXCHECK # undef perror /* Assume perror is always declared. */ @@ -875,14 +945,14 @@ _GL_WARN_ON_USE (popen, "popen is buggy on some platforms - " # endif # if @GNULIB_PRINTF_POSIX@ || @GNULIB_VFPRINTF_POSIX@ _GL_FUNCDECL_RPL_1 (__printf__, int, - (const char *format, ...) + (const char *restrict format, ...) __asm__ (@ASM_SYMBOL_PREFIX@ _GL_STDIO_MACROEXPAND_AND_STRINGIZE(rpl_printf)) _GL_ATTRIBUTE_FORMAT_PRINTF (1, 2) _GL_ARG_NONNULL ((1))); # else _GL_FUNCDECL_RPL_1 (__printf__, int, - (const char *format, ...) + (const char *restrict format, ...) __asm__ (@ASM_SYMBOL_PREFIX@ _GL_STDIO_MACROEXPAND_AND_STRINGIZE(rpl_printf)) _GL_ATTRIBUTE_FORMAT_PRINTF_SYSTEM (1, 2) @@ -894,16 +964,18 @@ _GL_CXXALIAS_RPL_1 (printf, __printf__, int, (const char *format, ...)); # define printf rpl_printf # endif _GL_FUNCDECL_RPL (printf, int, - (const char *format, ...) + (const char *restrict format, ...) _GL_ATTRIBUTE_FORMAT_PRINTF (1, 2) _GL_ARG_NONNULL ((1))); -_GL_CXXALIAS_RPL (printf, int, (const char *format, ...)); +_GL_CXXALIAS_RPL (printf, int, (const char *restrict format, ...)); # endif # define GNULIB_overrides_printf 1 # else -_GL_CXXALIAS_SYS (printf, int, (const char *format, ...)); +_GL_CXXALIAS_SYS (printf, int, (const char *restrict format, ...)); # endif +# if __GLIBC__ >= 2 _GL_CXXALIASWARN (printf); +# endif #endif #if !@GNULIB_PRINTF_POSIX@ && defined GNULIB_POSIXCHECK # if !GNULIB_overrides_printf @@ -926,7 +998,9 @@ _GL_CXXALIAS_RPL_1 (putc, rpl_fputc, int, (int c, FILE *stream)); # else _GL_CXXALIAS_SYS (putc, int, (int c, FILE *stream)); # endif +# if __GLIBC__ >= 2 _GL_CXXALIASWARN (putc); +# endif #endif #if @GNULIB_PUTCHAR@ @@ -940,7 +1014,9 @@ _GL_CXXALIAS_RPL (putchar, int, (int c)); # else _GL_CXXALIAS_SYS (putchar, int, (int c)); # endif +# if __GLIBC__ >= 2 _GL_CXXALIASWARN (putchar); +# endif #endif #if @GNULIB_PUTS@ @@ -954,7 +1030,9 @@ _GL_CXXALIAS_RPL (puts, int, (const char *string)); # else _GL_CXXALIAS_SYS (puts, int, (const char *string)); # endif +# if __GLIBC__ >= 2 _GL_CXXALIASWARN (puts); +# endif #endif #if @GNULIB_REMOVE@ @@ -968,7 +1046,9 @@ _GL_CXXALIAS_RPL (remove, int, (const char *name)); # else _GL_CXXALIAS_SYS (remove, int, (const char *name)); # endif +# if __GLIBC__ >= 2 _GL_CXXALIASWARN (remove); +# endif #elif defined GNULIB_POSIXCHECK # undef remove /* Assume remove is always declared. */ @@ -991,7 +1071,9 @@ _GL_CXXALIAS_RPL (rename, int, _GL_CXXALIAS_SYS (rename, int, (const char *old_filename, const char *new_filename)); # endif +# if __GLIBC__ >= 2 _GL_CXXALIASWARN (rename); +# endif #elif defined GNULIB_POSIXCHECK # undef rename /* Assume rename is always declared. */ @@ -1037,26 +1119,28 @@ _GL_WARN_ON_USE (renameat, "renameat is not portable - " # define scanf __scanf__ # endif _GL_FUNCDECL_RPL_1 (__scanf__, int, - (const char *format, ...) + (const char *restrict format, ...) __asm__ (@ASM_SYMBOL_PREFIX@ _GL_STDIO_MACROEXPAND_AND_STRINGIZE(rpl_scanf)) _GL_ATTRIBUTE_FORMAT_SCANF_SYSTEM (1, 2) _GL_ARG_NONNULL ((1))); -_GL_CXXALIAS_RPL_1 (scanf, __scanf__, int, (const char *format, ...)); +_GL_CXXALIAS_RPL_1 (scanf, __scanf__, int, (const char *restrict format, ...)); # else # if !(defined __cplusplus && defined GNULIB_NAMESPACE) # undef scanf # define scanf rpl_scanf # endif -_GL_FUNCDECL_RPL (scanf, int, (const char *format, ...) +_GL_FUNCDECL_RPL (scanf, int, (const char *restrict format, ...) _GL_ATTRIBUTE_FORMAT_SCANF_SYSTEM (1, 2) _GL_ARG_NONNULL ((1))); -_GL_CXXALIAS_RPL (scanf, int, (const char *format, ...)); +_GL_CXXALIAS_RPL (scanf, int, (const char *restrict format, ...)); # endif # else -_GL_CXXALIAS_SYS (scanf, int, (const char *format, ...)); +_GL_CXXALIAS_SYS (scanf, int, (const char *restrict format, ...)); # endif +# if __GLIBC__ >= 2 _GL_CXXALIASWARN (scanf); +# endif #endif #if @GNULIB_SNPRINTF@ @@ -1065,20 +1149,24 @@ _GL_CXXALIASWARN (scanf); # define snprintf rpl_snprintf # endif _GL_FUNCDECL_RPL (snprintf, int, - (char *str, size_t size, const char *format, ...) + (char *restrict str, size_t size, + const char *restrict format, ...) _GL_ATTRIBUTE_FORMAT_PRINTF (3, 4) _GL_ARG_NONNULL ((3))); _GL_CXXALIAS_RPL (snprintf, int, - (char *str, size_t size, const char *format, ...)); + (char *restrict str, size_t size, + const char *restrict format, ...)); # else # if !@HAVE_DECL_SNPRINTF@ _GL_FUNCDECL_SYS (snprintf, int, - (char *str, size_t size, const char *format, ...) + (char *restrict str, size_t size, + const char *restrict format, ...) _GL_ATTRIBUTE_FORMAT_PRINTF (3, 4) _GL_ARG_NONNULL ((3))); # endif _GL_CXXALIAS_SYS (snprintf, int, - (char *str, size_t size, const char *format, ...)); + (char *restrict str, size_t size, + const char *restrict format, ...)); # endif _GL_CXXALIASWARN (snprintf); #elif defined GNULIB_POSIXCHECK @@ -1103,14 +1191,19 @@ _GL_WARN_ON_USE (snprintf, "snprintf is unportable - " # if !(defined __cplusplus && defined GNULIB_NAMESPACE) # define sprintf rpl_sprintf # endif -_GL_FUNCDECL_RPL (sprintf, int, (char *str, const char *format, ...) - _GL_ATTRIBUTE_FORMAT_PRINTF (2, 3) - _GL_ARG_NONNULL ((1, 2))); -_GL_CXXALIAS_RPL (sprintf, int, (char *str, const char *format, ...)); +_GL_FUNCDECL_RPL (sprintf, int, + (char *restrict str, const char *restrict format, ...) + _GL_ATTRIBUTE_FORMAT_PRINTF (2, 3) + _GL_ARG_NONNULL ((1, 2))); +_GL_CXXALIAS_RPL (sprintf, int, + (char *restrict str, const char *restrict format, ...)); # else -_GL_CXXALIAS_SYS (sprintf, int, (char *str, const char *format, ...)); +_GL_CXXALIAS_SYS (sprintf, int, + (char *restrict str, const char *restrict format, ...)); # endif +# if __GLIBC__ >= 2 _GL_CXXALIASWARN (sprintf); +# endif #elif defined GNULIB_POSIXCHECK # undef sprintf /* Assume sprintf is always declared. */ @@ -1129,7 +1222,9 @@ _GL_CXXALIAS_RPL (tmpfile, FILE *, (void)); # else _GL_CXXALIAS_SYS (tmpfile, FILE *, (void)); # endif +# if __GLIBC__ >= 2 _GL_CXXALIASWARN (tmpfile); +# endif #elif defined GNULIB_POSIXCHECK # undef tmpfile # if HAVE_RAW_DECL_TMPFILE @@ -1192,22 +1287,27 @@ _GL_CXXALIASWARN (vasprintf); # if !(defined __cplusplus && defined GNULIB_NAMESPACE) # define vdprintf rpl_vdprintf # endif -_GL_FUNCDECL_RPL (vdprintf, int, (int fd, const char *format, va_list args) - _GL_ATTRIBUTE_FORMAT_PRINTF (2, 0) - _GL_ARG_NONNULL ((2))); -_GL_CXXALIAS_RPL (vdprintf, int, (int fd, const char *format, va_list args)); +_GL_FUNCDECL_RPL (vdprintf, int, + (int fd, const char *restrict format, va_list args) + _GL_ATTRIBUTE_FORMAT_PRINTF (2, 0) + _GL_ARG_NONNULL ((2))); +_GL_CXXALIAS_RPL (vdprintf, int, + (int fd, const char *restrict format, va_list args)); # else # if !@HAVE_VDPRINTF@ -_GL_FUNCDECL_SYS (vdprintf, int, (int fd, const char *format, va_list args) - _GL_ATTRIBUTE_FORMAT_PRINTF (2, 0) - _GL_ARG_NONNULL ((2))); +_GL_FUNCDECL_SYS (vdprintf, int, + (int fd, const char *restrict format, va_list args) + _GL_ATTRIBUTE_FORMAT_PRINTF (2, 0) + _GL_ARG_NONNULL ((2))); # endif /* Need to cast, because on Solaris, the third parameter will likely be __va_list args. */ _GL_CXXALIAS_SYS_CAST (vdprintf, int, - (int fd, const char *format, va_list args)); + (int fd, const char *restrict format, va_list args)); # endif +# if __GLIBC__ >= 2 _GL_CXXALIASWARN (vdprintf); +# endif #elif defined GNULIB_POSIXCHECK # undef vdprintf # if HAVE_RAW_DECL_VDPRINTF @@ -1224,23 +1324,32 @@ _GL_WARN_ON_USE (vdprintf, "vdprintf is unportable - " # endif # define GNULIB_overrides_vfprintf 1 # if @GNULIB_VFPRINTF_POSIX@ -_GL_FUNCDECL_RPL (vfprintf, int, (FILE *fp, const char *format, va_list args) - _GL_ATTRIBUTE_FORMAT_PRINTF (2, 0) - _GL_ARG_NONNULL ((1, 2))); +_GL_FUNCDECL_RPL (vfprintf, int, + (FILE *restrict fp, + const char *restrict format, va_list args) + _GL_ATTRIBUTE_FORMAT_PRINTF (2, 0) + _GL_ARG_NONNULL ((1, 2))); # else -_GL_FUNCDECL_RPL (vfprintf, int, (FILE *fp, const char *format, va_list args) - _GL_ATTRIBUTE_FORMAT_PRINTF_SYSTEM (2, 0) - _GL_ARG_NONNULL ((1, 2))); +_GL_FUNCDECL_RPL (vfprintf, int, + (FILE *restrict fp, + const char *restrict format, va_list args) + _GL_ATTRIBUTE_FORMAT_PRINTF_SYSTEM (2, 0) + _GL_ARG_NONNULL ((1, 2))); # endif -_GL_CXXALIAS_RPL (vfprintf, int, (FILE *fp, const char *format, va_list args)); +_GL_CXXALIAS_RPL (vfprintf, int, + (FILE *restrict fp, + const char *restrict format, va_list args)); # else /* Need to cast, because on Solaris, the third parameter is __va_list args and GCC's fixincludes did not change this to __gnuc_va_list. */ _GL_CXXALIAS_SYS_CAST (vfprintf, int, - (FILE *fp, const char *format, va_list args)); + (FILE *restrict fp, + const char *restrict format, va_list args)); # endif +# if __GLIBC__ >= 2 _GL_CXXALIASWARN (vfprintf); +# endif #endif #if !@GNULIB_VFPRINTF_POSIX@ && defined GNULIB_POSIXCHECK # if !GNULIB_overrides_vfprintf @@ -1259,14 +1368,17 @@ _GL_WARN_ON_USE (vfprintf, "vfprintf is not always POSIX compliant - " # define vfscanf rpl_vfscanf # endif _GL_FUNCDECL_RPL (vfscanf, int, - (FILE *stream, const char *format, va_list args) + (FILE *restrict stream, + const char *restrict format, va_list args) _GL_ATTRIBUTE_FORMAT_SCANF_SYSTEM (2, 0) _GL_ARG_NONNULL ((1, 2))); _GL_CXXALIAS_RPL (vfscanf, int, - (FILE *stream, const char *format, va_list args)); + (FILE *restrict stream, + const char *restrict format, va_list args)); # else _GL_CXXALIAS_SYS (vfscanf, int, - (FILE *stream, const char *format, va_list args)); + (FILE *restrict stream, + const char *restrict format, va_list args)); # endif _GL_CXXALIASWARN (vfscanf); #endif @@ -1279,22 +1391,25 @@ _GL_CXXALIASWARN (vfscanf); # endif # define GNULIB_overrides_vprintf 1 # if @GNULIB_VPRINTF_POSIX@ || @GNULIB_VFPRINTF_POSIX@ -_GL_FUNCDECL_RPL (vprintf, int, (const char *format, va_list args) +_GL_FUNCDECL_RPL (vprintf, int, (const char *restrict format, va_list args) _GL_ATTRIBUTE_FORMAT_PRINTF (1, 0) _GL_ARG_NONNULL ((1))); # else -_GL_FUNCDECL_RPL (vprintf, int, (const char *format, va_list args) +_GL_FUNCDECL_RPL (vprintf, int, (const char *restrict format, va_list args) _GL_ATTRIBUTE_FORMAT_PRINTF_SYSTEM (1, 0) _GL_ARG_NONNULL ((1))); # endif -_GL_CXXALIAS_RPL (vprintf, int, (const char *format, va_list args)); +_GL_CXXALIAS_RPL (vprintf, int, (const char *restrict format, va_list args)); # else /* Need to cast, because on Solaris, the second parameter is __va_list args and GCC's fixincludes did not change this to __gnuc_va_list. */ -_GL_CXXALIAS_SYS_CAST (vprintf, int, (const char *format, va_list args)); +_GL_CXXALIAS_SYS_CAST (vprintf, int, + (const char *restrict format, va_list args)); # endif +# if __GLIBC__ >= 2 _GL_CXXALIASWARN (vprintf); +# endif #endif #if !@GNULIB_VPRINTF_POSIX@ && defined GNULIB_POSIXCHECK # if !GNULIB_overrides_vprintf @@ -1312,12 +1427,12 @@ _GL_WARN_ON_USE (vprintf, "vprintf is not always POSIX compliant - " # undef vscanf # define vscanf rpl_vscanf # endif -_GL_FUNCDECL_RPL (vscanf, int, (const char *format, va_list args) +_GL_FUNCDECL_RPL (vscanf, int, (const char *restrict format, va_list args) _GL_ATTRIBUTE_FORMAT_SCANF_SYSTEM (1, 0) _GL_ARG_NONNULL ((1))); -_GL_CXXALIAS_RPL (vscanf, int, (const char *format, va_list args)); +_GL_CXXALIAS_RPL (vscanf, int, (const char *restrict format, va_list args)); # else -_GL_CXXALIAS_SYS (vscanf, int, (const char *format, va_list args)); +_GL_CXXALIAS_SYS (vscanf, int, (const char *restrict format, va_list args)); # endif _GL_CXXALIASWARN (vscanf); #endif @@ -1328,20 +1443,24 @@ _GL_CXXALIASWARN (vscanf); # define vsnprintf rpl_vsnprintf # endif _GL_FUNCDECL_RPL (vsnprintf, int, - (char *str, size_t size, const char *format, va_list args) + (char *restrict str, size_t size, + const char *restrict format, va_list args) _GL_ATTRIBUTE_FORMAT_PRINTF (3, 0) _GL_ARG_NONNULL ((3))); _GL_CXXALIAS_RPL (vsnprintf, int, - (char *str, size_t size, const char *format, va_list args)); + (char *restrict str, size_t size, + const char *restrict format, va_list args)); # else # if !@HAVE_DECL_VSNPRINTF@ _GL_FUNCDECL_SYS (vsnprintf, int, - (char *str, size_t size, const char *format, va_list args) + (char *restrict str, size_t size, + const char *restrict format, va_list args) _GL_ATTRIBUTE_FORMAT_PRINTF (3, 0) _GL_ARG_NONNULL ((3))); # endif _GL_CXXALIAS_SYS (vsnprintf, int, - (char *str, size_t size, const char *format, va_list args)); + (char *restrict str, size_t size, + const char *restrict format, va_list args)); # endif _GL_CXXALIASWARN (vsnprintf); #elif defined GNULIB_POSIXCHECK @@ -1358,19 +1477,24 @@ _GL_WARN_ON_USE (vsnprintf, "vsnprintf is unportable - " # define vsprintf rpl_vsprintf # endif _GL_FUNCDECL_RPL (vsprintf, int, - (char *str, const char *format, va_list args) + (char *restrict str, + const char *restrict format, va_list args) _GL_ATTRIBUTE_FORMAT_PRINTF (2, 0) _GL_ARG_NONNULL ((1, 2))); _GL_CXXALIAS_RPL (vsprintf, int, - (char *str, const char *format, va_list args)); + (char *restrict str, + const char *restrict format, va_list args)); # else /* Need to cast, because on Solaris, the third parameter is __va_list args and GCC's fixincludes did not change this to __gnuc_va_list. */ _GL_CXXALIAS_SYS_CAST (vsprintf, int, - (char *str, const char *format, va_list args)); + (char *restrict str, + const char *restrict format, va_list args)); # endif +# if __GLIBC__ >= 2 _GL_CXXALIASWARN (vsprintf); +# endif #elif defined GNULIB_POSIXCHECK # undef vsprintf /* Assume vsprintf is always declared. */ diff --git a/lib/stdlib.in.h b/lib/stdlib.in.h index f829525c1..ec5f124a3 100644 --- a/lib/stdlib.in.h +++ b/lib/stdlib.in.h @@ -1,6 +1,6 @@ /* A GNU-like . - Copyright (C) 1995, 2001-2004, 2006-2019 Free Software Foundation, Inc. + Copyright (C) 1995, 2001-2004, 2006-2020 Free Software Foundation, Inc. This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -176,7 +176,9 @@ _GL_CXXALIAS_RPL (calloc, void *, (size_t nmemb, size_t size)); # else _GL_CXXALIAS_SYS (calloc, void *, (size_t nmemb, size_t size)); # endif +# if __GLIBC__ >= 2 _GL_CXXALIASWARN (calloc); +# endif #elif defined GNULIB_POSIXCHECK # undef calloc /* Assume calloc is always declared. */ @@ -199,6 +201,10 @@ _GL_FUNCDECL_SYS (canonicalize_file_name, char *, (const char *name) # endif _GL_CXXALIAS_SYS (canonicalize_file_name, char *, (const char *name)); # endif +# ifndef GNULIB_defined_canonicalize_file_name +# define GNULIB_defined_canonicalize_file_name \ + (!@HAVE_CANONICALIZE_FILE_NAME@ || @REPLACE_CANONICALIZE_FILE_NAME@) +# endif _GL_CXXALIASWARN (canonicalize_file_name); #elif defined GNULIB_POSIXCHECK # undef canonicalize_file_name @@ -238,8 +244,8 @@ _GL_WARN_ON_USE (getloadavg, "getloadavg is not portable - " element (or NULL if it doesn't contain an "=" sign), - It returns the index of the "token" in the given array of tokens. Otherwise it returns -1, and *OPTIONP and *VALUEP are undefined. - For more details see the POSIX:2001 specification. - http://www.opengroup.org/susv3xsh/getsubopt.html */ + For more details see the POSIX specification. + https://pubs.opengroup.org/onlinepubs/9699919799/functions/getsubopt.html */ # if !@HAVE_GETSUBOPT@ _GL_FUNCDECL_SYS (getsubopt, int, (char **optionp, char *const *tokens, char **valuep) @@ -288,7 +294,9 @@ _GL_CXXALIAS_RPL (malloc, void *, (size_t size)); # else _GL_CXXALIAS_SYS (malloc, void *, (size_t size)); # endif +# if __GLIBC__ >= 2 _GL_CXXALIASWARN (malloc); +# endif #elif defined GNULIB_POSIXCHECK && !_GL_USE_STDLIB_ALLOC # undef malloc /* Assume malloc is always declared. */ @@ -303,15 +311,21 @@ _GL_WARN_ON_USE (malloc, "malloc is not POSIX compliant everywhere - " # undef mbtowc # define mbtowc rpl_mbtowc # endif -_GL_FUNCDECL_RPL (mbtowc, int, (wchar_t *pwc, const char *s, size_t n)); -_GL_CXXALIAS_RPL (mbtowc, int, (wchar_t *pwc, const char *s, size_t n)); +_GL_FUNCDECL_RPL (mbtowc, int, + (wchar_t *restrict pwc, const char *restrict s, size_t n)); +_GL_CXXALIAS_RPL (mbtowc, int, + (wchar_t *restrict pwc, const char *restrict s, size_t n)); # else # if !@HAVE_MBTOWC@ -_GL_FUNCDECL_SYS (mbtowc, int, (wchar_t *pwc, const char *s, size_t n)); +_GL_FUNCDECL_SYS (mbtowc, int, + (wchar_t *restrict pwc, const char *restrict s, size_t n)); # endif -_GL_CXXALIAS_SYS (mbtowc, int, (wchar_t *pwc, const char *s, size_t n)); +_GL_CXXALIAS_SYS (mbtowc, int, + (wchar_t *restrict pwc, const char *restrict s, size_t n)); # endif +# if __GLIBC__ >= 2 _GL_CXXALIASWARN (mbtowc); +# endif #elif defined GNULIB_POSIXCHECK # undef mbtowc # if HAVE_RAW_DECL_MBTOWC @@ -510,6 +524,9 @@ _GL_FUNCDECL_SYS (ptsname_r, int, (int fd, char *buf, size_t len)); # endif _GL_CXXALIAS_SYS (ptsname_r, int, (int fd, char *buf, size_t len)); # endif +# ifndef GNULIB_defined_ptsname_r +# define GNULIB_defined_ptsname_r (!@HAVE_PTSNAME_R@ || @REPLACE_PTSNAME_R@) +# endif _GL_CXXALIASWARN (ptsname_r); #elif defined GNULIB_POSIXCHECK # undef ptsname_r @@ -593,7 +610,9 @@ _GL_CXXALIAS_RPL (random, long, (void)); # if !@HAVE_RANDOM@ _GL_FUNCDECL_SYS (random, long, (void)); # endif -_GL_CXXALIAS_SYS (random, long, (void)); +/* Need to cast, because on Haiku, the return type is + int. */ +_GL_CXXALIAS_SYS_CAST (random, long, (void)); # endif _GL_CXXALIASWARN (random); #elif defined GNULIB_POSIXCHECK @@ -616,7 +635,9 @@ _GL_CXXALIAS_RPL (srandom, void, (unsigned int seed)); # if !@HAVE_RANDOM@ _GL_FUNCDECL_SYS (srandom, void, (unsigned int seed)); # endif -_GL_CXXALIAS_SYS (srandom, void, (unsigned int seed)); +/* Need to cast, because on FreeBSD, the first parameter is + unsigned long seed. */ +_GL_CXXALIAS_SYS_CAST (srandom, void, (unsigned int seed)); # endif _GL_CXXALIASWARN (srandom); #elif defined GNULIB_POSIXCHECK @@ -644,8 +665,10 @@ _GL_FUNCDECL_SYS (initstate, char *, (unsigned int seed, char *buf, size_t buf_size) _GL_ARG_NONNULL ((2))); # endif -_GL_CXXALIAS_SYS (initstate, char *, - (unsigned int seed, char *buf, size_t buf_size)); +/* Need to cast, because on FreeBSD, the first parameter is + unsigned long seed. */ +_GL_CXXALIAS_SYS_CAST (initstate, char *, + (unsigned int seed, char *buf, size_t buf_size)); # endif _GL_CXXALIASWARN (initstate); #elif defined GNULIB_POSIXCHECK @@ -668,7 +691,9 @@ _GL_CXXALIAS_RPL (setstate, char *, (char *arg_state)); # if !@HAVE_SETSTATE@ || !@HAVE_DECL_SETSTATE@ _GL_FUNCDECL_SYS (setstate, char *, (char *arg_state) _GL_ARG_NONNULL ((1))); # endif -_GL_CXXALIAS_SYS (setstate, char *, (char *arg_state)); +/* Need to cast, because on Mac OS X 10.13, HP-UX, Solaris the first parameter + is const char *arg_state. */ +_GL_CXXALIAS_SYS_CAST (setstate, char *, (char *arg_state)); # endif _GL_CXXALIASWARN (setstate); #elif defined GNULIB_POSIXCHECK @@ -754,9 +779,11 @@ _GL_FUNCDECL_SYS (initstate_r, int, struct random_data *rand_state) _GL_ARG_NONNULL ((2, 4))); # endif -_GL_CXXALIAS_SYS (initstate_r, int, - (unsigned int seed, char *buf, size_t buf_size, - struct random_data *rand_state)); +/* Need to cast, because on Haiku, the third parameter is + unsigned long buf_size. */ +_GL_CXXALIAS_SYS_CAST (initstate_r, int, + (unsigned int seed, char *buf, size_t buf_size, + struct random_data *rand_state)); # endif _GL_CXXALIASWARN (initstate_r); #elif defined GNULIB_POSIXCHECK @@ -784,8 +811,10 @@ _GL_FUNCDECL_SYS (setstate_r, int, (char *arg_state, struct random_data *rand_state) _GL_ARG_NONNULL ((1, 2))); # endif -_GL_CXXALIAS_SYS (setstate_r, int, - (char *arg_state, struct random_data *rand_state)); +/* Need to cast, because on Haiku, the first parameter is + void *arg_state. */ +_GL_CXXALIAS_SYS_CAST (setstate_r, int, + (char *arg_state, struct random_data *rand_state)); # endif _GL_CXXALIASWARN (setstate_r); #elif defined GNULIB_POSIXCHECK @@ -809,7 +838,9 @@ _GL_CXXALIAS_RPL (realloc, void *, (void *ptr, size_t size)); # else _GL_CXXALIAS_SYS (realloc, void *, (void *ptr, size_t size)); # endif +# if __GLIBC__ >= 2 _GL_CXXALIASWARN (realloc); +# endif #elif defined GNULIB_POSIXCHECK && !_GL_USE_STDLIB_ALLOC # undef realloc /* Assume realloc is always declared. */ @@ -839,15 +870,19 @@ _GL_WARN_ON_USE (reallocarray, "reallocarray is not portable - " # if !(defined __cplusplus && defined GNULIB_NAMESPACE) # define realpath rpl_realpath # endif -_GL_FUNCDECL_RPL (realpath, char *, (const char *name, char *resolved) - _GL_ARG_NONNULL ((1))); -_GL_CXXALIAS_RPL (realpath, char *, (const char *name, char *resolved)); +_GL_FUNCDECL_RPL (realpath, char *, + (const char *restrict name, char *restrict resolved) + _GL_ARG_NONNULL ((1))); +_GL_CXXALIAS_RPL (realpath, char *, + (const char *restrict name, char *restrict resolved)); # else # if !@HAVE_REALPATH@ -_GL_FUNCDECL_SYS (realpath, char *, (const char *name, char *resolved) - _GL_ARG_NONNULL ((1))); +_GL_FUNCDECL_SYS (realpath, char *, + (const char *restrict name, char *restrict resolved) + _GL_ARG_NONNULL ((1))); # endif -_GL_CXXALIAS_SYS (realpath, char *, (const char *name, char *resolved)); +_GL_CXXALIAS_SYS (realpath, char *, + (const char *restrict name, char *restrict resolved)); # endif _GL_CXXALIASWARN (realpath); #elif defined GNULIB_POSIXCHECK @@ -930,17 +965,23 @@ _GL_WARN_ON_USE (setenv, "setenv is unportable - " # define strtod rpl_strtod # endif # define GNULIB_defined_strtod_function 1 -_GL_FUNCDECL_RPL (strtod, double, (const char *str, char **endp) - _GL_ARG_NONNULL ((1))); -_GL_CXXALIAS_RPL (strtod, double, (const char *str, char **endp)); +_GL_FUNCDECL_RPL (strtod, double, + (const char *restrict str, char **restrict endp) + _GL_ARG_NONNULL ((1))); +_GL_CXXALIAS_RPL (strtod, double, + (const char *restrict str, char **restrict endp)); # else # if !@HAVE_STRTOD@ -_GL_FUNCDECL_SYS (strtod, double, (const char *str, char **endp) - _GL_ARG_NONNULL ((1))); +_GL_FUNCDECL_SYS (strtod, double, + (const char *restrict str, char **restrict endp) + _GL_ARG_NONNULL ((1))); # endif -_GL_CXXALIAS_SYS (strtod, double, (const char *str, char **endp)); +_GL_CXXALIAS_SYS (strtod, double, + (const char *restrict str, char **restrict endp)); # endif +# if __GLIBC__ >= 2 _GL_CXXALIASWARN (strtod); +# endif #elif defined GNULIB_POSIXCHECK # undef strtod # if HAVE_RAW_DECL_STRTOD @@ -956,15 +997,19 @@ _GL_WARN_ON_USE (strtod, "strtod is unportable - " # define strtold rpl_strtold # endif # define GNULIB_defined_strtold_function 1 -_GL_FUNCDECL_RPL (strtold, long double, (const char *str, char **endp) - _GL_ARG_NONNULL ((1))); -_GL_CXXALIAS_RPL (strtold, long double, (const char *str, char **endp)); +_GL_FUNCDECL_RPL (strtold, long double, + (const char *restrict str, char **restrict endp) + _GL_ARG_NONNULL ((1))); +_GL_CXXALIAS_RPL (strtold, long double, + (const char *restrict str, char **restrict endp)); # else # if !@HAVE_STRTOLD@ -_GL_FUNCDECL_SYS (strtold, long double, (const char *str, char **endp) - _GL_ARG_NONNULL ((1))); +_GL_FUNCDECL_SYS (strtold, long double, + (const char *restrict str, char **restrict endp) + _GL_ARG_NONNULL ((1))); # endif -_GL_CXXALIAS_SYS (strtold, long double, (const char *str, char **endp)); +_GL_CXXALIAS_SYS (strtold, long double, + (const char *restrict str, char **restrict endp)); # endif _GL_CXXALIASWARN (strtold); #elif defined GNULIB_POSIXCHECK @@ -986,11 +1031,13 @@ _GL_WARN_ON_USE (strtold, "strtold is unportable - " to ERANGE. */ # if !@HAVE_STRTOLL@ _GL_FUNCDECL_SYS (strtoll, long long, - (const char *string, char **endptr, int base) + (const char *restrict string, char **restrict endptr, + int base) _GL_ARG_NONNULL ((1))); # endif _GL_CXXALIAS_SYS (strtoll, long long, - (const char *string, char **endptr, int base)); + (const char *restrict string, char **restrict endptr, + int base)); _GL_CXXALIASWARN (strtoll); #elif defined GNULIB_POSIXCHECK # undef strtoll @@ -1011,11 +1058,13 @@ _GL_WARN_ON_USE (strtoll, "strtoll is unportable - " ERANGE. */ # if !@HAVE_STRTOULL@ _GL_FUNCDECL_SYS (strtoull, unsigned long long, - (const char *string, char **endptr, int base) + (const char *restrict string, char **restrict endptr, + int base) _GL_ARG_NONNULL ((1))); # endif _GL_CXXALIAS_SYS (strtoull, unsigned long long, - (const char *string, char **endptr, int base)); + (const char *restrict string, char **restrict endptr, + int base)); _GL_CXXALIASWARN (strtoull); #elif defined GNULIB_POSIXCHECK # undef strtoull @@ -1079,7 +1128,9 @@ _GL_CXXALIAS_RPL (wctomb, int, (char *s, wchar_t wc)); # else _GL_CXXALIAS_SYS (wctomb, int, (char *s, wchar_t wc)); # endif +# if __GLIBC__ >= 2 _GL_CXXALIASWARN (wctomb); +# endif #endif diff --git a/lib/stpcpy.c b/lib/stpcpy.c index a1d32fdaf..58265f0b7 100644 --- a/lib/stpcpy.c +++ b/lib/stpcpy.c @@ -1,5 +1,5 @@ /* stpcpy.c -- copy a string and return pointer to end of new string - Copyright (C) 1992, 1995, 1997-1998, 2006, 2009-2019 Free Software + Copyright (C) 1992, 1995, 1997-1998, 2006, 2009-2020 Free Software Foundation, Inc. NOTE: The canonical source of this file is maintained with the GNU C Library. diff --git a/lib/strcasecmp.c b/lib/strcasecmp.c index 6cd0e1e37..1ceaa33a5 100644 --- a/lib/strcasecmp.c +++ b/lib/strcasecmp.c @@ -1,5 +1,5 @@ /* Case-insensitive string comparison function. - Copyright (C) 1998-1999, 2005-2007, 2009-2019 Free Software Foundation, Inc. + Copyright (C) 1998-1999, 2005-2007, 2009-2020 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by diff --git a/lib/strchrnul.c b/lib/strchrnul.c index 0f5dd8140..858d66fab 100644 --- a/lib/strchrnul.c +++ b/lib/strchrnul.c @@ -1,5 +1,5 @@ /* Searching in a string. - Copyright (C) 2003, 2007-2019 Free Software Foundation, Inc. + Copyright (C) 2003, 2007-2020 Free Software Foundation, Inc. This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by diff --git a/lib/strchrnul.valgrind b/lib/strchrnul.valgrind index 781d037b0..a85608a7c 100644 --- a/lib/strchrnul.valgrind +++ b/lib/strchrnul.valgrind @@ -1,6 +1,6 @@ # Suppress a valgrind message about use of uninitialized memory in strchrnul(). -# Copyright (C) 2008-2019 Free Software Foundation, Inc. +# Copyright (C) 2008-2020 Free Software Foundation, Inc. # # This program is free software: you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by diff --git a/lib/streq.h b/lib/streq.h index 326537b6d..d06c27200 100644 --- a/lib/streq.h +++ b/lib/streq.h @@ -1,5 +1,5 @@ /* Optimized string comparison. - Copyright (C) 2001-2002, 2007, 2009-2019 Free Software Foundation, Inc. + Copyright (C) 2001-2002, 2007, 2009-2020 Free Software Foundation, Inc. This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published diff --git a/lib/strerror-override.c b/lib/strerror-override.c index 558a010a9..61b7689fd 100644 --- a/lib/strerror-override.c +++ b/lib/strerror-override.c @@ -1,6 +1,6 @@ /* strerror-override.c --- POSIX compatible system error routine - Copyright (C) 2010-2019 Free Software Foundation, Inc. + Copyright (C) 2010-2020 Free Software Foundation, Inc. This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by diff --git a/lib/strerror-override.h b/lib/strerror-override.h index 255febcaf..062f51cf6 100644 --- a/lib/strerror-override.h +++ b/lib/strerror-override.h @@ -1,6 +1,6 @@ /* strerror-override.h --- POSIX compatible system error routine - Copyright (C) 2010-2019 Free Software Foundation, Inc. + Copyright (C) 2010-2020 Free Software Foundation, Inc. This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by diff --git a/lib/strerror.c b/lib/strerror.c index f5900fd14..1a53a8b92 100644 --- a/lib/strerror.c +++ b/lib/strerror.c @@ -1,6 +1,6 @@ /* strerror.c --- POSIX compatible system error routine - Copyright (C) 2007-2019 Free Software Foundation, Inc. + Copyright (C) 2007-2020 Free Software Foundation, Inc. This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by diff --git a/lib/string.in.h b/lib/string.in.h index 4a9292f74..596c99bf2 100644 --- a/lib/string.in.h +++ b/lib/string.in.h @@ -1,6 +1,6 @@ /* A GNU-like . - Copyright (C) 1995-1996, 2001-2019 Free Software Foundation, Inc. + Copyright (C) 1995-1996, 2001-2020 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -149,7 +149,7 @@ _GL_CXXALIAS_SYS_CAST2 (memchr, _GL_CXXALIASWARN1 (memchr, void *, (void *__s, int __c, size_t __n)); _GL_CXXALIASWARN1 (memchr, void const *, (void const *__s, int __c, size_t __n)); -# else +# elif __GLIBC__ >= 2 _GL_CXXALIASWARN (memchr); # endif #elif defined GNULIB_POSIXCHECK @@ -411,13 +411,18 @@ _GL_WARN_ON_USE (strdup, "strdup is unportable - " # undef strncat # define strncat rpl_strncat # endif -_GL_FUNCDECL_RPL (strncat, char *, (char *dest, const char *src, size_t n) - _GL_ARG_NONNULL ((1, 2))); -_GL_CXXALIAS_RPL (strncat, char *, (char *dest, const char *src, size_t n)); +_GL_FUNCDECL_RPL (strncat, char *, + (char *restrict dest, const char *restrict src, size_t n) + _GL_ARG_NONNULL ((1, 2))); +_GL_CXXALIAS_RPL (strncat, char *, + (char *restrict dest, const char *restrict src, size_t n)); # else -_GL_CXXALIAS_SYS (strncat, char *, (char *dest, const char *src, size_t n)); +_GL_CXXALIAS_SYS (strncat, char *, + (char *restrict dest, const char *restrict src, size_t n)); # endif +# if __GLIBC__ >= 2 _GL_CXXALIASWARN (strncat); +# endif #elif defined GNULIB_POSIXCHECK # undef strncat # if HAVE_RAW_DECL_STRNCAT @@ -512,7 +517,7 @@ _GL_CXXALIAS_SYS_CAST2 (strpbrk, _GL_CXXALIASWARN1 (strpbrk, char *, (char *__s, char const *__accept)); _GL_CXXALIASWARN1 (strpbrk, char const *, (char const *__s, char const *__accept)); -# else +# elif __GLIBC__ >= 2 _GL_CXXALIASWARN (strpbrk); # endif # if defined GNULIB_POSIXCHECK @@ -614,7 +619,7 @@ _GL_CXXALIAS_SYS_CAST2 (strstr, _GL_CXXALIASWARN1 (strstr, char *, (char *haystack, const char *needle)); _GL_CXXALIASWARN1 (strstr, const char *, (const char *haystack, const char *needle)); -# else +# elif __GLIBC__ >= 2 _GL_CXXALIASWARN (strstr); # endif #elif defined GNULIB_POSIXCHECK @@ -693,7 +698,7 @@ _GL_WARN_ON_USE (strcasestr, "strcasestr does work correctly on character " This is a variant of strtok() that is multithread-safe. For the POSIX documentation for this function, see: - http://www.opengroup.org/susv3xsh/strtok.html + https://pubs.opengroup.org/onlinepubs/9699919799/functions/strtok.html Caveat: It modifies the original string. Caveat: These functions cannot be used on constant strings. @@ -964,7 +969,8 @@ _GL_EXTERN_C char * mbssep (char **stringp, const char *delim) Caveat: The identity of the delimiting character is lost. See also mbssep(). */ -_GL_EXTERN_C char * mbstok_r (char *string, const char *delim, char **save_ptr) +_GL_EXTERN_C char * mbstok_r (char *restrict string, const char *delim, + char **save_ptr) _GL_ARG_NONNULL ((2, 3)); #endif @@ -980,7 +986,9 @@ _GL_CXXALIAS_RPL (strerror, char *, (int)); # else _GL_CXXALIAS_SYS (strerror, char *, (int)); # endif +# if __GLIBC__ >= 2 _GL_CXXALIASWARN (strerror); +# endif #elif defined GNULIB_POSIXCHECK # undef strerror /* Assume strerror is always declared. */ diff --git a/lib/strings.in.h b/lib/strings.in.h index 21b1a85b3..c6c8016e6 100644 --- a/lib/strings.in.h +++ b/lib/strings.in.h @@ -1,6 +1,6 @@ /* A substitute . - Copyright (C) 2007-2019 Free Software Foundation, Inc. + Copyright (C) 2007-2020 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by diff --git a/lib/stripslash.c b/lib/stripslash.c index dfc15b43c..6818b3061 100644 --- a/lib/stripslash.c +++ b/lib/stripslash.c @@ -1,6 +1,6 @@ /* stripslash.c -- remove redundant trailing slashes from a file name - Copyright (C) 1990, 2001, 2003-2006, 2009-2019 Free Software Foundation, + Copyright (C) 1990, 2001, 2003-2006, 2009-2020 Free Software Foundation, Inc. This program is free software: you can redistribute it and/or modify diff --git a/lib/strncasecmp.c b/lib/strncasecmp.c index 034011c56..6333fb550 100644 --- a/lib/strncasecmp.c +++ b/lib/strncasecmp.c @@ -1,5 +1,5 @@ /* strncasecmp.c -- case insensitive string comparator - Copyright (C) 1998-1999, 2005-2007, 2009-2019 Free Software Foundation, Inc. + Copyright (C) 1998-1999, 2005-2007, 2009-2020 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by diff --git a/lib/strndup.c b/lib/strndup.c index 5b7482846..d5294b885 100644 --- a/lib/strndup.c +++ b/lib/strndup.c @@ -1,6 +1,6 @@ /* A replacement function, for systems that lack strndup. - Copyright (C) 1996-1998, 2001-2003, 2005-2007, 2009-2019 Free Software + Copyright (C) 1996-1998, 2001-2003, 2005-2007, 2009-2020 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it diff --git a/lib/strnlen.c b/lib/strnlen.c index 9fb663509..dcecf0820 100644 --- a/lib/strnlen.c +++ b/lib/strnlen.c @@ -1,5 +1,5 @@ /* Find the length of STRING, but scan at most MAXLEN characters. - Copyright (C) 2005-2007, 2009-2019 Free Software Foundation, Inc. + Copyright (C) 2005-2007, 2009-2020 Free Software Foundation, Inc. Written by Simon Josefsson. This program is free software; you can redistribute it and/or modify diff --git a/lib/strverscmp.c b/lib/strverscmp.c index b54898ea7..9e0a5bb10 100644 --- a/lib/strverscmp.c +++ b/lib/strverscmp.c @@ -1,5 +1,5 @@ /* Compare strings while treating digits characters numerically. - Copyright (C) 1997-2019 Free Software Foundation, Inc. + Copyright (C) 1997-2020 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Jean-François Bignolles , 1997. diff --git a/lib/sys_stat.in.h b/lib/sys_stat.in.h index 9ddd1a8d0..449460727 100644 --- a/lib/sys_stat.in.h +++ b/lib/sys_stat.in.h @@ -1,5 +1,5 @@ /* Provide a more complete sys/stat.h header file. - Copyright (C) 2005-2019 Free Software Foundation, Inc. + Copyright (C) 2005-2020 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -392,13 +392,25 @@ struct stat #if @GNULIB_FCHMODAT@ -# if !@HAVE_FCHMODAT@ +# if @REPLACE_FCHMODAT@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# undef fchmodat +# define fchmodat rpl_fchmodat +# endif +_GL_FUNCDECL_RPL (fchmodat, int, + (int fd, char const *file, mode_t mode, int flag) + _GL_ARG_NONNULL ((2))); +_GL_CXXALIAS_RPL (fchmodat, int, + (int fd, char const *file, mode_t mode, int flag)); +# else +# if !@HAVE_FCHMODAT@ _GL_FUNCDECL_SYS (fchmodat, int, (int fd, char const *file, mode_t mode, int flag) _GL_ARG_NONNULL ((2))); -# endif +# endif _GL_CXXALIAS_SYS (fchmodat, int, (int fd, char const *file, mode_t mode, int flag)); +# endif _GL_CXXALIASWARN (fchmodat); #elif defined GNULIB_POSIXCHECK # undef fchmodat @@ -443,18 +455,22 @@ _GL_WARN_ON_USE (fstat, "fstat has portability problems - " # define fstatat rpl_fstatat # endif _GL_FUNCDECL_RPL (fstatat, int, - (int fd, char const *name, struct stat *st, int flags) + (int fd, char const *restrict name, struct stat *restrict st, + int flags) _GL_ARG_NONNULL ((2, 3))); _GL_CXXALIAS_RPL (fstatat, int, - (int fd, char const *name, struct stat *st, int flags)); + (int fd, char const *restrict name, struct stat *restrict st, + int flags)); # else # if !@HAVE_FSTATAT@ _GL_FUNCDECL_SYS (fstatat, int, - (int fd, char const *name, struct stat *st, int flags) + (int fd, char const *restrict name, struct stat *restrict st, + int flags) _GL_ARG_NONNULL ((2, 3))); # endif _GL_CXXALIAS_SYS (fstatat, int, - (int fd, char const *name, struct stat *st, int flags)); + (int fd, char const *restrict name, struct stat *restrict st, + int flags)); # endif _GL_CXXALIASWARN (fstatat); #elif @GNULIB_OVERRIDES_STRUCT_STAT@ @@ -502,31 +518,12 @@ _GL_WARN_ON_USE (futimens, "futimens is not portable - " #if @GNULIB_LCHMOD@ /* Change the mode of FILENAME to MODE, without dereferencing it if FILENAME denotes a symbolic link. */ -# if !@HAVE_LCHMOD@ -/* The lchmod replacement follows symbolic links. Callers should take - this into account; lchmod should be applied only to arguments that - are known to not be symbolic links. On hosts that lack lchmod, - this can lead to race conditions between the check and the - invocation of lchmod, but we know of no workarounds that are - reliable in general. You might try requesting support for lchmod - from your operating system supplier. */ -# if !(defined __cplusplus && defined GNULIB_NAMESPACE) -# define lchmod chmod -# endif -/* Need to cast, because on mingw, the second parameter of chmod is - int mode. */ -_GL_CXXALIAS_RPL_CAST_1 (lchmod, chmod, int, - (const char *filename, mode_t mode)); -# else -# if 0 /* assume already declared */ +# if !@HAVE_LCHMOD@ || defined __hpux _GL_FUNCDECL_SYS (lchmod, int, (const char *filename, mode_t mode) _GL_ARG_NONNULL ((1))); -# endif +# endif _GL_CXXALIAS_SYS (lchmod, int, (const char *filename, mode_t mode)); -# endif -# if @HAVE_LCHMOD@ _GL_CXXALIASWARN (lchmod); -# endif #elif defined GNULIB_POSIXCHECK # undef lchmod # if HAVE_RAW_DECL_LCHMOD @@ -543,17 +540,21 @@ _GL_WARN_ON_USE (lchmod, "lchmod is unportable - " # if !(defined __cplusplus && defined GNULIB_NAMESPACE) # define lstat stat # endif -_GL_CXXALIAS_RPL_1 (lstat, stat, int, (const char *name, struct stat *buf)); +_GL_CXXALIAS_RPL_1 (lstat, stat, int, + (const char *restrict name, struct stat *restrict buf)); # elif @REPLACE_LSTAT@ # if !(defined __cplusplus && defined GNULIB_NAMESPACE) # undef lstat # define lstat rpl_lstat # endif -_GL_FUNCDECL_RPL (lstat, int, (const char *name, struct stat *buf) - _GL_ARG_NONNULL ((1, 2))); -_GL_CXXALIAS_RPL (lstat, int, (const char *name, struct stat *buf)); +_GL_FUNCDECL_RPL (lstat, int, + (const char *restrict name, struct stat *restrict buf) + _GL_ARG_NONNULL ((1, 2))); +_GL_CXXALIAS_RPL (lstat, int, + (const char *restrict name, struct stat *restrict buf)); # else -_GL_CXXALIAS_SYS (lstat, int, (const char *name, struct stat *buf)); +_GL_CXXALIAS_SYS (lstat, int, + (const char *restrict name, struct stat *restrict buf)); # endif # if @HAVE_LSTAT@ _GL_CXXALIASWARN (lstat); @@ -766,7 +767,7 @@ _GL_WARN_ON_USE (mknodat, "mknodat is not portable - " # define stat(name, st) rpl_stat (name, st) # endif /* !_LARGE_FILES */ # endif /* !@GNULIB_OVERRIDES_STRUCT_STAT@ */ -_GL_EXTERN_C int stat (const char *name, struct stat *buf) +_GL_EXTERN_C int stat (const char *restrict name, struct stat *restrict buf) _GL_ARG_NONNULL ((1, 2)); # endif #elif @GNULIB_OVERRIDES_STRUCT_STAT@ diff --git a/lib/sys_time.in.h b/lib/sys_time.in.h index 539768889..d30b26719 100644 --- a/lib/sys_time.in.h +++ b/lib/sys_time.in.h @@ -1,6 +1,6 @@ /* Provide a more complete sys/time.h. - Copyright (C) 2007-2019 Free Software Foundation, Inc. + Copyright (C) 2007-2020 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -112,8 +112,12 @@ _GL_CXXALIASWARN (gettimeofday); # if defined __cplusplus && defined GNULIB_NAMESPACE namespace GNULIB_NAMESPACE { typedef ::timeval -#undef timeval +# undef timeval timeval; +# if @REPLACE_STRUCT_TIMEVAL@ +# define timeval rpl_timeval + typedef ::timeval timeval; +# endif } # endif #elif defined GNULIB_POSIXCHECK diff --git a/lib/sys_types.in.h b/lib/sys_types.in.h index 237e2068c..e7e1a22ee 100644 --- a/lib/sys_types.in.h +++ b/lib/sys_types.in.h @@ -1,6 +1,6 @@ /* Provide a more complete sys/types.h. - Copyright (C) 2011-2019 Free Software Foundation, Inc. + Copyright (C) 2011-2020 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by diff --git a/lib/sys_wait.in.h b/lib/sys_wait.in.h index 10973f7fa..9308f0beb 100644 --- a/lib/sys_wait.in.h +++ b/lib/sys_wait.in.h @@ -1,5 +1,5 @@ /* A POSIX-like . - Copyright (C) 2001-2003, 2005-2019 Free Software Foundation, Inc. + Copyright (C) 2001-2003, 2005-2020 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -114,7 +114,9 @@ # if defined _WIN32 && ! defined __CYGWIN__ _GL_FUNCDECL_SYS (waitpid, pid_t, (pid_t pid, int *statusp, int options)); # endif -_GL_CXXALIAS_SYS (waitpid, pid_t, (pid_t pid, int *statusp, int options)); +/* Need to cast, because on Cygwin, the second parameter is + __wait_status_ptr_t statusp. */ +_GL_CXXALIAS_SYS_CAST (waitpid, pid_t, (pid_t pid, int *statusp, int options)); _GL_CXXALIASWARN (waitpid); #elif defined GNULIB_POSIXCHECK # undef waitpid diff --git a/lib/sysexits.in.h b/lib/sysexits.in.h index 7043a0a99..9f1935410 100644 --- a/lib/sysexits.in.h +++ b/lib/sysexits.in.h @@ -1,5 +1,5 @@ /* exit() exit codes for some BSD system programs. - Copyright (C) 2003, 2006-2019 Free Software Foundation, Inc. + Copyright (C) 2003, 2006-2020 Free Software Foundation, Inc. This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by diff --git a/lib/tempname.c b/lib/tempname.c index be62ed951..0aad0616c 100644 --- a/lib/tempname.c +++ b/lib/tempname.c @@ -1,6 +1,6 @@ /* tempname.c - generate the name of a temporary file. - Copyright (C) 1991-2003, 2005-2007, 2009-2019 Free Software Foundation, Inc. + Copyright (C) 1991-2003, 2005-2007, 2009-2020 Free Software Foundation, Inc. This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by diff --git a/lib/tempname.h b/lib/tempname.h index fb203d3a1..abb926508 100644 --- a/lib/tempname.h +++ b/lib/tempname.h @@ -1,6 +1,6 @@ /* Create a temporary file or directory. - Copyright (C) 2006, 2009-2019 Free Software Foundation, Inc. + Copyright (C) 2006, 2009-2020 Free Software Foundation, Inc. This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by diff --git a/lib/time.in.h b/lib/time.in.h index dd3b21273..1d11650e7 100644 --- a/lib/time.in.h +++ b/lib/time.in.h @@ -1,6 +1,6 @@ /* A more-standard . - Copyright (C) 2007-2019 Free Software Foundation, Inc. + Copyright (C) 2007-2020 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -37,6 +37,12 @@ # define _@GUARD_PREFIX@_TIME_H +/* mingw's provides the functions asctime_r, ctime_r, gmtime_r, + localtime_r only if or has been included before. */ +# if defined __MINGW32__ +# include +# endif + # @INCLUDE_NEXT@ @NEXT_TIME_H@ /* NetBSD 5.0 mis-defines NULL. */ @@ -84,8 +90,8 @@ struct timespec # endif # if !GNULIB_defined_struct_time_t_must_be_integral -/* Per http://austingroupbugs.net/view.php?id=327, POSIX requires - time_t to be an integer type, even though C99 permits floating +/* https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/sys_types.h.html + requires time_t to be an integer type, even though C99 permits floating point. We don't know of any implementation that uses floating point, and it is much easier to write code that doesn't have to worry about that corner case, so we force the issue. */ @@ -97,7 +103,7 @@ struct __time_t_must_be_integral { /* Sleep for at least RQTP seconds unless interrupted, If interrupted, return -1 and store the remaining time into RMTP. See - . */ + . */ # if @GNULIB_NANOSLEEP@ # if @REPLACE_NANOSLEEP@ # if !(defined __cplusplus && defined GNULIB_NAMESPACE) @@ -149,12 +155,14 @@ _GL_CXXALIAS_RPL (mktime, time_t, (struct tm *__tp)); # else _GL_CXXALIAS_SYS (mktime, time_t, (struct tm *__tp)); # endif +# if __GLIBC__ >= 2 _GL_CXXALIASWARN (mktime); +# endif # endif /* Convert TIMER to RESULT, assuming local time and UTC respectively. See - and - . */ + and + . */ # if @GNULIB_TIME_R@ # if @REPLACE_LOCALTIME_R@ # if !(defined __cplusplus && defined GNULIB_NAMESPACE) @@ -203,8 +211,8 @@ _GL_CXXALIASWARN (gmtime_r); # endif /* Convert TIMER to RESULT, assuming local time and UTC respectively. See - and - . */ + and + . */ # if @GNULIB_LOCALTIME@ || @REPLACE_LOCALTIME@ # if @REPLACE_LOCALTIME@ # if !(defined __cplusplus && defined GNULIB_NAMESPACE) @@ -217,7 +225,9 @@ _GL_CXXALIAS_RPL (localtime, struct tm *, (time_t const *__timer)); # else _GL_CXXALIAS_SYS (localtime, struct tm *, (time_t const *__timer)); # endif +# if __GLIBC__ >= 2 _GL_CXXALIASWARN (localtime); +# endif # endif # if 0 || @REPLACE_GMTIME@ @@ -237,7 +247,7 @@ _GL_CXXALIASWARN (gmtime); /* Parse BUF as a timestamp, assuming FORMAT specifies its layout, and store the resulting broken-down time into TM. See - . */ + . */ # if @GNULIB_STRPTIME@ # if ! @HAVE_STRPTIME@ _GL_FUNCDECL_SYS (strptime, char *, (char const *restrict __buf, @@ -252,7 +262,7 @@ _GL_CXXALIASWARN (strptime); # endif /* Convert *TP to a date and time string. See - . */ + . */ # if @GNULIB_CTIME@ # if @REPLACE_CTIME@ # if !(defined __cplusplus && defined GNULIB_NAMESPACE) @@ -264,26 +274,33 @@ _GL_CXXALIAS_RPL (ctime, char *, (time_t const *__tp)); # else _GL_CXXALIAS_SYS (ctime, char *, (time_t const *__tp)); # endif +# if __GLIBC__ >= 2 _GL_CXXALIASWARN (ctime); +# endif # endif /* Convert *TP to a date and time string. See - . */ + . */ # if @GNULIB_STRFTIME@ # if @REPLACE_STRFTIME@ # if !(defined __cplusplus && defined GNULIB_NAMESPACE) # define strftime rpl_strftime # endif -_GL_FUNCDECL_RPL (strftime, size_t, (char *__buf, size_t __bufsize, - const char *__fmt, const struct tm *__tp) - _GL_ARG_NONNULL ((1, 3, 4))); -_GL_CXXALIAS_RPL (strftime, size_t, (char *__buf, size_t __bufsize, - const char *__fmt, const struct tm *__tp)); +_GL_FUNCDECL_RPL (strftime, size_t, + (char *restrict __buf, size_t __bufsize, + const char *restrict __fmt, const struct tm *restrict __tp) + _GL_ARG_NONNULL ((1, 3, 4))); +_GL_CXXALIAS_RPL (strftime, size_t, + (char *restrict __buf, size_t __bufsize, + const char *restrict __fmt, const struct tm *restrict __tp)); # else -_GL_CXXALIAS_SYS (strftime, size_t, (char *__buf, size_t __bufsize, - const char *__fmt, const struct tm *__tp)); +_GL_CXXALIAS_SYS (strftime, size_t, + (char *restrict __buf, size_t __bufsize, + const char *restrict __fmt, const struct tm *restrict __tp)); # endif +# if __GLIBC__ >= 2 _GL_CXXALIASWARN (strftime); +# endif # endif # if defined _GNU_SOURCE && @GNULIB_TIME_RZ@ && ! @HAVE_TIMEZONE_T@ diff --git a/lib/unistd.in.h b/lib/unistd.in.h index 59ee39ece..c9b9ac958 100644 --- a/lib/unistd.in.h +++ b/lib/unistd.in.h @@ -1,5 +1,5 @@ /* Substitute for and wrapper around . - Copyright (C) 2003-2019 Free Software Foundation, Inc. + Copyright (C) 2003-2020 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -21,7 +21,7 @@ #endif @PRAGMA_COLUMNS@ -#ifdef _GL_INCLUDING_UNISTD_H +#if @HAVE_UNISTD_H@ && defined _GL_INCLUDING_UNISTD_H /* Special invocation convention: - On Mac OS X 10.3.9 we have a sequence of nested includes -> -> -> @@ -141,7 +141,7 @@ /* Get getopt(), optarg, optind, opterr, optopt. */ -#if @GNULIB_UNISTD_H_GETOPT@ && !defined _GL_SYSTEM_GETOPT +#if @GNULIB_GETOPT_POSIX@ && @GNULIB_UNISTD_H_GETOPT@ && !defined _GL_SYSTEM_GETOPT # include # include #endif @@ -253,10 +253,28 @@ _GL_INLINE_HEADER_BEGIN /* Declare overridden functions. */ -#if defined GNULIB_POSIXCHECK +#if @GNULIB_ACCESS@ +# if @REPLACE_ACCESS@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# undef access +# define access rpl_access +# endif +_GL_FUNCDECL_RPL (access, int, (const char *file, int mode) + _GL_ARG_NONNULL ((1))); +_GL_CXXALIAS_RPL (access, int, (const char *file, int mode)); +# else +_GL_CXXALIAS_SYS (access, int, (const char *file, int mode)); +# endif +_GL_CXXALIASWARN (access); +#elif defined GNULIB_POSIXCHECK +# undef access +# if HAVE_RAW_DECL_ACCESS /* The access() function is a security risk. */ -_GL_WARN_ON_USE (access, "the access function is a security risk - " +_GL_WARN_ON_USE (access, "access does not always support X_OK - " + "use gnulib module access for portability; " + "also, this function is a security risk - " "use the gnulib module faccessat instead"); +# endif #endif @@ -277,7 +295,7 @@ _GL_WARN_ON_USE (chown, "chdir is not always in - " to GID (if GID is not -1). Follow symbolic links. Return 0 if successful, otherwise -1 and errno set. See the POSIX:2008 specification - . */ + . */ # if @REPLACE_DUP2@ # if !(defined __cplusplus && defined GNULIB_NAMESPACE) # define dup2 rpl_dup2 @@ -526,7 +544,7 @@ _GL_WARN_ON_USE (faccessat, "faccessat is not portable - " the given file descriptor is open. Return 0 if successful, otherwise -1 and errno set. See the POSIX:2008 specification - . */ + . */ # if ! @HAVE_FCHDIR@ _GL_FUNCDECL_SYS (fchdir, int, (int /*fd*/)); @@ -587,7 +605,7 @@ _GL_WARN_ON_USE (fchownat, "fchownat is not portable - " /* Synchronize changes to a file. Return 0 if successful, otherwise -1 and errno set. See POSIX:2008 specification - . */ + . */ # if !@HAVE_FDATASYNC@ || !@HAVE_DECL_FDATASYNC@ _GL_FUNCDECL_SYS (fdatasync, int, (int fd)); # endif @@ -606,7 +624,7 @@ _GL_WARN_ON_USE (fdatasync, "fdatasync is unportable - " /* Synchronize changes, including metadata, to a file. Return 0 if successful, otherwise -1 and errno set. See POSIX:2008 specification - . */ + . */ # if !@HAVE_FSYNC@ _GL_FUNCDECL_SYS (fsync, int, (int fd)); # endif @@ -625,7 +643,7 @@ _GL_WARN_ON_USE (fsync, "fsync is unportable - " /* Change the size of the file to which FD is opened to become equal to LENGTH. Return 0 if successful, otherwise -1 and errno set. See the POSIX:2008 specification - . */ + . */ # if @REPLACE_FTRUNCATE@ # if !(defined __cplusplus && defined GNULIB_NAMESPACE) # undef ftruncate @@ -655,7 +673,7 @@ _GL_WARN_ON_USE (ftruncate, "ftruncate is unportable - " Return BUF if successful, or NULL if the directory couldn't be determined or SIZE was too small. See the POSIX:2008 specification - . + . Additionally, the gnulib module 'getcwd' guarantees the following GNU extension: If BUF is NULL, an array is allocated with 'malloc'; the array is SIZE bytes long, unless SIZE == 0, in which case it is as big as @@ -731,7 +749,9 @@ _GL_CXXALIAS_RPL (getdtablesize, int, (void)); # if !@HAVE_GETDTABLESIZE@ _GL_FUNCDECL_SYS (getdtablesize, int, (void)); # endif -_GL_CXXALIAS_SYS (getdtablesize, int, (void)); +/* Need to cast, because on AIX, the parameter list is + (...). */ +_GL_CXXALIAS_SYS_CAST (getdtablesize, int, (void)); # endif _GL_CXXALIASWARN (getdtablesize); #elif defined GNULIB_POSIXCHECK @@ -815,7 +835,7 @@ _GL_WARN_ON_USE (gethostname, "gethostname is unportable - " /* Returns the user's login name, or NULL if it cannot be found. Upon error, returns NULL with errno set. - See . + See . Most programs don't need to use this function, because the information is available through environment variables: @@ -844,7 +864,7 @@ _GL_WARN_ON_USE (getlogin, "getlogin is unportable - " the case that the login name cannot be found but no specific error is provided (this case is hopefully rare but is left open by the POSIX spec). - See . + See . Most programs don't need to use this function, because the information is available through environment variables: @@ -885,6 +905,11 @@ _GL_WARN_ON_USE (getlogin_r, "getlogin_r is unportable - " _GL_FUNCDECL_RPL (getpagesize, int, (void)); _GL_CXXALIAS_RPL (getpagesize, int, (void)); # else +/* On HP-UX, getpagesize exists, but it is not declared in even if + the compiler options -D_HPUX_SOURCE -D_XOPEN_SOURCE=600 are used. */ +# if defined __hpux +_GL_FUNCDECL_SYS (getpagesize, int, (void)); +# endif # if !@HAVE_GETPAGESIZE@ # if !defined getpagesize /* This is for POSIX systems. */ @@ -1079,7 +1104,7 @@ _GL_WARN_ON_USE (isatty, "isatty has portability problems on native Windows - " to GID (if GID is not -1). Do not follow symbolic links. Return 0 if successful, otherwise -1 and errno set. See the POSIX:2008 specification - . */ + . */ # if @REPLACE_LCHOWN@ # if !(defined __cplusplus && defined GNULIB_NAMESPACE) # undef lchown @@ -1109,7 +1134,7 @@ _GL_WARN_ON_USE (lchown, "lchown is unportable to pre-POSIX.1-2001 systems - " /* Create a new hard link for an existing file. Return 0 if successful, otherwise -1 and errno set. See POSIX:2008 specification - . */ + . */ # if @REPLACE_LINK@ # if !(defined __cplusplus && defined GNULIB_NAMESPACE) # define link rpl_link @@ -1175,7 +1200,7 @@ _GL_WARN_ON_USE (linkat, "linkat is unportable - " /* Set the offset of FD relative to SEEK_SET, SEEK_CUR, or SEEK_END. Return the new offset if successful, otherwise -1 and errno set. See the POSIX:2008 specification - . */ + . */ # if @REPLACE_LSEEK@ # if !(defined __cplusplus && defined GNULIB_NAMESPACE) # define lseek rpl_lseek @@ -1247,7 +1272,7 @@ _GL_WARN_ON_USE (pipe2, "pipe2 is unportable - " Return the number of bytes placed into BUF if successful, otherwise set errno and return -1. 0 indicates EOF. See the POSIX:2008 specification - . */ + . */ # if @REPLACE_PREAD@ # if !(defined __cplusplus && defined GNULIB_NAMESPACE) # undef pread @@ -1282,7 +1307,7 @@ _GL_WARN_ON_USE (pread, "pread is unportable - " Return the number of bytes written if successful, otherwise set errno and return -1. 0 indicates nothing written. See the POSIX:2008 specification - . */ + . */ # if @REPLACE_PWRITE@ # if !(defined __cplusplus && defined GNULIB_NAMESPACE) # undef pwrite @@ -1315,7 +1340,7 @@ _GL_WARN_ON_USE (pwrite, "pwrite is unportable - " #if @GNULIB_READ@ /* Read up to COUNT bytes from file descriptor FD into the buffer starting at BUF. See the POSIX:2008 specification - . */ + . */ # if @REPLACE_READ@ # if !(defined __cplusplus && defined GNULIB_NAMESPACE) # undef read @@ -1339,24 +1364,28 @@ _GL_CXXALIASWARN (read); bytes of it into BUF. Return the number of bytes placed into BUF if successful, otherwise -1 and errno set. See the POSIX:2008 specification - . */ + . */ # if @REPLACE_READLINK@ # if !(defined __cplusplus && defined GNULIB_NAMESPACE) # define readlink rpl_readlink # endif _GL_FUNCDECL_RPL (readlink, ssize_t, - (const char *file, char *buf, size_t bufsize) + (const char *restrict file, + char *restrict buf, size_t bufsize) _GL_ARG_NONNULL ((1, 2))); _GL_CXXALIAS_RPL (readlink, ssize_t, - (const char *file, char *buf, size_t bufsize)); + (const char *restrict file, + char *restrict buf, size_t bufsize)); # else # if !@HAVE_READLINK@ _GL_FUNCDECL_SYS (readlink, ssize_t, - (const char *file, char *buf, size_t bufsize) + (const char *restrict file, + char *restrict buf, size_t bufsize) _GL_ARG_NONNULL ((1, 2))); # endif _GL_CXXALIAS_SYS (readlink, ssize_t, - (const char *file, char *buf, size_t bufsize)); + (const char *restrict file, + char *restrict buf, size_t bufsize)); # endif _GL_CXXALIASWARN (readlink); #elif defined GNULIB_POSIXCHECK @@ -1374,18 +1403,22 @@ _GL_WARN_ON_USE (readlink, "readlink is unportable - " # define readlinkat rpl_readlinkat # endif _GL_FUNCDECL_RPL (readlinkat, ssize_t, - (int fd, char const *file, char *buf, size_t len) + (int fd, char const *restrict file, + char *restrict buf, size_t len) _GL_ARG_NONNULL ((2, 3))); _GL_CXXALIAS_RPL (readlinkat, ssize_t, - (int fd, char const *file, char *buf, size_t len)); + (int fd, char const *restrict file, + char *restrict buf, size_t len)); # else # if !@HAVE_READLINKAT@ _GL_FUNCDECL_SYS (readlinkat, ssize_t, - (int fd, char const *file, char *buf, size_t len) + (int fd, char const *restrict file, + char *restrict buf, size_t len) _GL_ARG_NONNULL ((2, 3))); # endif _GL_CXXALIAS_SYS (readlinkat, ssize_t, - (int fd, char const *file, char *buf, size_t len)); + (int fd, char const *restrict file, + char *restrict buf, size_t len)); # endif _GL_CXXALIASWARN (readlinkat); #elif defined GNULIB_POSIXCHECK @@ -1449,7 +1482,7 @@ _GL_WARN_ON_USE (sethostname, "sethostname is unportable - " /* Pause the execution of the current thread for N seconds. Returns the number of seconds left to sleep. See the POSIX:2008 specification - . */ + . */ # if @REPLACE_SLEEP@ # if !(defined __cplusplus && defined GNULIB_NAMESPACE) # undef sleep @@ -1533,7 +1566,7 @@ _GL_WARN_ON_USE (symlinkat, "symlinkat is not portable - " /* Change the size of the file designated by FILENAME to become equal to LENGTH. Return 0 if successful, otherwise -1 and errno set. See the POSIX:2008 specification - . */ + . */ # if @REPLACE_TRUNCATE@ # if !(defined __cplusplus && defined GNULIB_NAMESPACE) # undef truncate @@ -1640,7 +1673,7 @@ _GL_WARN_ON_USE (unlinkat, "unlinkat is not portable - " /* Pause the execution of the current thread for N microseconds. Returns 0 on completion, or -1 on range error. See the POSIX:2001 specification - . */ + . */ # if @REPLACE_USLEEP@ # if !(defined __cplusplus && defined GNULIB_NAMESPACE) # undef usleep @@ -1652,7 +1685,9 @@ _GL_CXXALIAS_RPL (usleep, int, (useconds_t n)); # if !@HAVE_USLEEP@ _GL_FUNCDECL_SYS (usleep, int, (useconds_t n)); # endif -_GL_CXXALIAS_SYS (usleep, int, (useconds_t n)); +/* Need to cast, because on Haiku, the first parameter is + unsigned int n. */ +_GL_CXXALIAS_SYS_CAST (usleep, int, (useconds_t n)); # endif _GL_CXXALIASWARN (usleep); #elif defined GNULIB_POSIXCHECK @@ -1667,7 +1702,7 @@ _GL_WARN_ON_USE (usleep, "usleep is unportable - " #if @GNULIB_WRITE@ /* Write up to COUNT bytes starting at BUF to file descriptor FD. See the POSIX:2008 specification - . */ + . */ # if @REPLACE_WRITE@ # if !(defined __cplusplus && defined GNULIB_NAMESPACE) # undef write diff --git a/lib/vasnprintf.c b/lib/vasnprintf.c index b3854e3ef..e3a1e9fa7 100644 --- a/lib/vasnprintf.c +++ b/lib/vasnprintf.c @@ -1,5 +1,5 @@ /* vsprintf with automatic memory allocation. - Copyright (C) 1999, 2002-2019 Free Software Foundation, Inc. + Copyright (C) 1999, 2002-2020 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -1553,16 +1553,13 @@ MAX_ROOM_NEEDED (const arguments *ap, size_t arg_index, FCHAR_T conversion, switch (conversion) { case 'd': case 'i': case 'u': -# if HAVE_LONG_LONG_INT if (type == TYPE_LONGLONGINT || type == TYPE_ULONGLONGINT) tmp_length = (unsigned int) (sizeof (unsigned long long) * CHAR_BIT * 0.30103 /* binary -> decimal */ ) + 1; /* turn floor into ceil */ - else -# endif - if (type == TYPE_LONGINT || type == TYPE_ULONGINT) + else if (type == TYPE_LONGINT || type == TYPE_ULONGINT) tmp_length = (unsigned int) (sizeof (unsigned long) * CHAR_BIT * 0.30103 /* binary -> decimal */ @@ -1583,16 +1580,13 @@ MAX_ROOM_NEEDED (const arguments *ap, size_t arg_index, FCHAR_T conversion, break; case 'o': -# if HAVE_LONG_LONG_INT if (type == TYPE_LONGLONGINT || type == TYPE_ULONGLONGINT) tmp_length = (unsigned int) (sizeof (unsigned long long) * CHAR_BIT * 0.333334 /* binary -> octal */ ) + 1; /* turn floor into ceil */ - else -# endif - if (type == TYPE_LONGINT || type == TYPE_ULONGINT) + else if (type == TYPE_LONGINT || type == TYPE_ULONGINT) tmp_length = (unsigned int) (sizeof (unsigned long) * CHAR_BIT * 0.333334 /* binary -> octal */ @@ -1611,16 +1605,13 @@ MAX_ROOM_NEEDED (const arguments *ap, size_t arg_index, FCHAR_T conversion, break; case 'x': case 'X': -# if HAVE_LONG_LONG_INT if (type == TYPE_LONGLONGINT || type == TYPE_ULONGLONGINT) tmp_length = (unsigned int) (sizeof (unsigned long long) * CHAR_BIT * 0.25 /* binary -> hexadecimal */ ) + 1; /* turn floor into ceil */ - else -# endif - if (type == TYPE_LONGINT || type == TYPE_ULONGINT) + else if (type == TYPE_LONGINT || type == TYPE_ULONGINT) tmp_length = (unsigned int) (sizeof (unsigned long) * CHAR_BIT * 0.25 /* binary -> hexadecimal */ @@ -1939,11 +1930,9 @@ VASNPRINTF (DCHAR_T *resultbuf, size_t *lengthp, case TYPE_COUNT_LONGINT_POINTER: *a.arg[dp->arg_index].a.a_count_longint_pointer = length; break; -#if HAVE_LONG_LONG_INT case TYPE_COUNT_LONGLONGINT_POINTER: *a.arg[dp->arg_index].a.a_count_longlongint_pointer = length; break; -#endif default: abort (); } @@ -4835,17 +4824,15 @@ VASNPRINTF (DCHAR_T *resultbuf, size_t *lengthp, switch (type) { -#if HAVE_LONG_LONG_INT case TYPE_LONGLONGINT: case TYPE_ULONGLONGINT: -# if defined _WIN32 && ! defined __CYGWIN__ +#if defined _WIN32 && ! defined __CYGWIN__ *fbp++ = 'I'; *fbp++ = '6'; *fbp++ = '4'; break; -# else +#else *fbp++ = 'l'; -# endif #endif FALLTHROUGH; case TYPE_LONGINT: @@ -5063,7 +5050,6 @@ VASNPRINTF (DCHAR_T *resultbuf, size_t *lengthp, SNPRINTF_BUF (arg); } break; -#if HAVE_LONG_LONG_INT case TYPE_LONGLONGINT: { long long int arg = a.arg[dp->arg_index].a.a_longlongint; @@ -5076,7 +5062,6 @@ VASNPRINTF (DCHAR_T *resultbuf, size_t *lengthp, SNPRINTF_BUF (arg); } break; -#endif case TYPE_DOUBLE: { double arg = a.arg[dp->arg_index].a.a_double; diff --git a/lib/vasnprintf.h b/lib/vasnprintf.h index 5b192b21e..f63399a5e 100644 --- a/lib/vasnprintf.h +++ b/lib/vasnprintf.h @@ -1,5 +1,5 @@ /* vsprintf with automatic memory allocation. - Copyright (C) 2002-2004, 2007-2019 Free Software Foundation, Inc. + Copyright (C) 2002-2004, 2007-2020 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -67,9 +67,11 @@ extern "C" { # define asnprintf rpl_asnprintf # define vasnprintf rpl_vasnprintf #endif -extern char * asnprintf (char *resultbuf, size_t *lengthp, const char *format, ...) +extern char * asnprintf (char *restrict resultbuf, size_t *lengthp, + const char *format, ...) _GL_ATTRIBUTE_FORMAT ((__printf__, 3, 4)); -extern char * vasnprintf (char *resultbuf, size_t *lengthp, const char *format, va_list args) +extern char * vasnprintf (char *restrict resultbuf, size_t *lengthp, + const char *format, va_list args) _GL_ATTRIBUTE_FORMAT ((__printf__, 3, 0)); #ifdef __cplusplus diff --git a/lib/verify.h b/lib/verify.h index 06e975ebf..d9ab89a57 100644 --- a/lib/verify.h +++ b/lib/verify.h @@ -1,6 +1,6 @@ /* Compile-time assert-like macros. - Copyright (C) 2005-2006, 2009-2019 Free Software Foundation, Inc. + Copyright (C) 2005-2006, 2009-2020 Free Software Foundation, Inc. This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -56,16 +56,6 @@ # undef _Static_assert #endif -/* If the compiler lacks __has_builtin, define it well enough for this - source file only. */ -#ifndef __has_builtin -# define __has_builtin(x) _GL_HAS_##x -# define _GL_HAS___builtin_unreachable (4 < __GNUC__ + (5 <= __GNUC_MINOR__)) -# define _GL_HAS___builtin_trap \ - (3 < __GNUC__ + (3 < __GNUC_MINOR__ + (4 <= __GNUC_PATCHLEVEL__))) -# define _GL_TEMPDEF___has_builtin -#endif - /* Each of these macros verifies that its argument R is nonzero. To be portable, R should be an integer constant expression. Unlike assert (R), there is no run-time overhead. @@ -243,6 +233,22 @@ template /* @assert.h omit start@ */ +#if 3 < __GNUC__ + (3 < __GNUC_MINOR__ + (4 <= __GNUC_PATCHLEVEL__)) +# define _GL_HAS_BUILTIN_TRAP 1 +#elif defined __has_builtin +# define _GL_HAS_BUILTIN_TRAP __has_builtin (__builtin_trap) +#else +# define _GL_HAS_BUILTIN_TRAP 0 +#endif + +#if 4 < __GNUC__ + (5 <= __GNUC_MINOR__) +# define _GL_HAS_BUILTIN_UNREACHABLE 1 +#elif defined __has_builtin +# define _GL_HAS_BUILTIN_UNREACHABLE __has_builtin (__builtin_unreachable) +#else +# define _GL_HAS_BUILTIN_UNREACHABLE 0 +#endif + /* Each of these macros verifies that its argument R is nonzero. To be portable, R should be an integer constant expression. Unlike assert (R), there is no run-time overhead. @@ -276,11 +282,11 @@ template can suffer if R uses hard-to-optimize features such as function calls not inlined by the compiler. */ -#if __has_builtin (__builtin_unreachable) +#if _GL_HAS_BUILTIN_UNREACHABLE # define assume(R) ((R) ? (void) 0 : __builtin_unreachable ()) #elif 1200 <= _MSC_VER # define assume(R) __assume (R) -#elif (defined GCC_LINT || defined lint) && __has_builtin (__builtin_trap) +#elif (defined GCC_LINT || defined lint) && _GL_HAS_BUILTIN_TRAP /* Doing it this way helps various packages when configured with --enable-gcc-warnings, which compiles with -Dlint. It's nicer when 'assume' silences warnings even with older GCCs. */ @@ -290,13 +296,6 @@ template # define assume(R) ((R) ? (void) 0 : /*NOTREACHED*/ (void) 0) #endif -#ifdef _GL_TEMPDEF___has_builtin -# undef __has_builtin -# undef _GL_HAS___builtin_unreachable -# undef _GL_HAS___builtin_trap -# undef _GL_TEMPDEF___has_builtin -#endif - /* @assert.h omit end@ */ #endif diff --git a/lib/vsnprintf.c b/lib/vsnprintf.c index 6a209f732..699e6756a 100644 --- a/lib/vsnprintf.c +++ b/lib/vsnprintf.c @@ -1,5 +1,5 @@ /* Formatted output to strings. - Copyright (C) 2004, 2006-2019 Free Software Foundation, Inc. + Copyright (C) 2004, 2006-2020 Free Software Foundation, Inc. Written by Simon Josefsson and Yoann Vandoorselaere . This program is free software; you can redistribute it and/or modify diff --git a/lib/warn-on-use.h b/lib/warn-on-use.h index 7d11a1569..1be2cbb95 100644 --- a/lib/warn-on-use.h +++ b/lib/warn-on-use.h @@ -1,5 +1,5 @@ /* A C macro for emitting warnings if a function is used. - Copyright (C) 2010-2019 Free Software Foundation, Inc. + Copyright (C) 2010-2020 Free Software Foundation, Inc. This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published diff --git a/lib/wchar.in.h b/lib/wchar.in.h index 17d569129..fe5cb1535 100644 --- a/lib/wchar.in.h +++ b/lib/wchar.in.h @@ -1,6 +1,6 @@ /* A substitute for ISO C99 , for platforms that have issues. - Copyright (C) 2007-2019 Free Software Foundation, Inc. + Copyright (C) 2007-2020 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -19,7 +19,7 @@ /* * ISO C 99 for platforms that have issues. - * + * * * For now, this just ensures proper prerequisite inclusion order and * the declaration of wcwidth(). @@ -33,7 +33,8 @@ #if (((defined __need_mbstate_t || defined __need_wint_t) \ && !defined __MINGW32__) \ || (defined __hpux \ - && ((defined _INTTYPES_INCLUDED && !defined strtoimax) \ + && ((defined _INTTYPES_INCLUDED \ + && !defined _GL_FINISHED_INCLUDING_SYSTEM_INTTYPES_H) \ || defined _GL_JUST_INCLUDE_SYSTEM_WCHAR_H)) \ || (defined __MINGW32__ && defined __STRING_H_SOURCED__) \ || defined _GL_ALREADY_INCLUDING_WCHAR_H) @@ -137,12 +138,16 @@ typedef unsigned int rpl_wint_t; /* Override mbstate_t if it is too small. On IRIX 6.5, sizeof (mbstate_t) == 1, which is not sufficient for - implementing mbrtowc for encodings like UTF-8. */ -#if !(@HAVE_MBSINIT@ && @HAVE_MBRTOWC@) || @REPLACE_MBSTATE_T@ + implementing mbrtowc for encodings like UTF-8. + On AIX and MSVC, mbrtowc needs to be overridden, but mbstate_t exists and is + large enough and overriding it would cause problems in C++ mode. */ +#if !(((defined _WIN32 && !defined __CYGWIN__) || @HAVE_MBSINIT@) && @HAVE_MBRTOWC@) || @REPLACE_MBSTATE_T@ # if !GNULIB_defined_mbstate_t +# if !(defined _AIX || defined _MSC_VER) typedef int rpl_mbstate_t; -# undef mbstate_t -# define mbstate_t rpl_mbstate_t +# undef mbstate_t +# define mbstate_t rpl_mbstate_t +# endif # define GNULIB_defined_mbstate_t 1 # endif #endif @@ -161,9 +166,12 @@ _GL_CXXALIAS_RPL (btowc, wint_t, (int c)); # if !@HAVE_BTOWC@ _GL_FUNCDECL_SYS (btowc, wint_t, (int c) _GL_ATTRIBUTE_PURE); # endif -_GL_CXXALIAS_SYS (btowc, wint_t, (int c)); +/* Need to cast, because on mingw, the return type is 'unsigned short'. */ +_GL_CXXALIAS_SYS_CAST (btowc, wint_t, (int c)); # endif +# if __GLIBC__ >= 2 _GL_CXXALIASWARN (btowc); +# endif #elif defined GNULIB_POSIXCHECK # undef btowc # if HAVE_RAW_DECL_BTOWC @@ -189,7 +197,9 @@ _GL_FUNCDECL_SYS (wctob, int, (wint_t wc) _GL_ATTRIBUTE_PURE); # endif _GL_CXXALIAS_SYS (wctob, int, (wint_t wc)); # endif +# if __GLIBC__ >= 2 _GL_CXXALIASWARN (wctob); +# endif #elif defined GNULIB_POSIXCHECK # undef wctob # if HAVE_RAW_DECL_WCTOB @@ -214,7 +224,9 @@ _GL_FUNCDECL_SYS (mbsinit, int, (const mbstate_t *ps)); # endif _GL_CXXALIAS_SYS (mbsinit, int, (const mbstate_t *ps)); # endif +# if __GLIBC__ >= 2 _GL_CXXALIASWARN (mbsinit); +# endif #elif defined GNULIB_POSIXCHECK # undef mbsinit # if HAVE_RAW_DECL_MBSINIT @@ -232,18 +244,24 @@ _GL_WARN_ON_USE (mbsinit, "mbsinit is unportable - " # define mbrtowc rpl_mbrtowc # endif _GL_FUNCDECL_RPL (mbrtowc, size_t, - (wchar_t *pwc, const char *s, size_t n, mbstate_t *ps)); + (wchar_t *restrict pwc, const char *restrict s, size_t n, + mbstate_t *restrict ps)); _GL_CXXALIAS_RPL (mbrtowc, size_t, - (wchar_t *pwc, const char *s, size_t n, mbstate_t *ps)); + (wchar_t *restrict pwc, const char *restrict s, size_t n, + mbstate_t *restrict ps)); # else # if !@HAVE_MBRTOWC@ _GL_FUNCDECL_SYS (mbrtowc, size_t, - (wchar_t *pwc, const char *s, size_t n, mbstate_t *ps)); + (wchar_t *restrict pwc, const char *restrict s, size_t n, + mbstate_t *restrict ps)); # endif _GL_CXXALIAS_SYS (mbrtowc, size_t, - (wchar_t *pwc, const char *s, size_t n, mbstate_t *ps)); + (wchar_t *restrict pwc, const char *restrict s, size_t n, + mbstate_t *restrict ps)); # endif +# if __GLIBC__ >= 2 _GL_CXXALIASWARN (mbrtowc); +# endif #elif defined GNULIB_POSIXCHECK # undef mbrtowc # if HAVE_RAW_DECL_MBRTOWC @@ -260,15 +278,21 @@ _GL_WARN_ON_USE (mbrtowc, "mbrtowc is unportable - " # undef mbrlen # define mbrlen rpl_mbrlen # endif -_GL_FUNCDECL_RPL (mbrlen, size_t, (const char *s, size_t n, mbstate_t *ps)); -_GL_CXXALIAS_RPL (mbrlen, size_t, (const char *s, size_t n, mbstate_t *ps)); +_GL_FUNCDECL_RPL (mbrlen, size_t, + (const char *restrict s, size_t n, mbstate_t *restrict ps)); +_GL_CXXALIAS_RPL (mbrlen, size_t, + (const char *restrict s, size_t n, mbstate_t *restrict ps)); # else # if !@HAVE_MBRLEN@ -_GL_FUNCDECL_SYS (mbrlen, size_t, (const char *s, size_t n, mbstate_t *ps)); +_GL_FUNCDECL_SYS (mbrlen, size_t, + (const char *restrict s, size_t n, mbstate_t *restrict ps)); # endif -_GL_CXXALIAS_SYS (mbrlen, size_t, (const char *s, size_t n, mbstate_t *ps)); +_GL_CXXALIAS_SYS (mbrlen, size_t, + (const char *restrict s, size_t n, mbstate_t *restrict ps)); # endif +# if __GLIBC__ >= 2 _GL_CXXALIASWARN (mbrlen); +# endif #elif defined GNULIB_POSIXCHECK # undef mbrlen # if HAVE_RAW_DECL_MBRLEN @@ -286,22 +310,30 @@ _GL_WARN_ON_USE (mbrlen, "mbrlen is unportable - " # define mbsrtowcs rpl_mbsrtowcs # endif _GL_FUNCDECL_RPL (mbsrtowcs, size_t, - (wchar_t *dest, const char **srcp, size_t len, mbstate_t *ps) + (wchar_t *restrict dest, + const char **restrict srcp, size_t len, + mbstate_t *restrict ps) _GL_ARG_NONNULL ((2))); _GL_CXXALIAS_RPL (mbsrtowcs, size_t, - (wchar_t *dest, const char **srcp, size_t len, - mbstate_t *ps)); + (wchar_t *restrict dest, + const char **restrict srcp, size_t len, + mbstate_t *restrict ps)); # else # if !@HAVE_MBSRTOWCS@ _GL_FUNCDECL_SYS (mbsrtowcs, size_t, - (wchar_t *dest, const char **srcp, size_t len, mbstate_t *ps) + (wchar_t *restrict dest, + const char **restrict srcp, size_t len, + mbstate_t *restrict ps) _GL_ARG_NONNULL ((2))); # endif _GL_CXXALIAS_SYS (mbsrtowcs, size_t, - (wchar_t *dest, const char **srcp, size_t len, - mbstate_t *ps)); + (wchar_t *restrict dest, + const char **restrict srcp, size_t len, + mbstate_t *restrict ps)); # endif +# if __GLIBC__ >= 2 _GL_CXXALIASWARN (mbsrtowcs); +# endif #elif defined GNULIB_POSIXCHECK # undef mbsrtowcs # if HAVE_RAW_DECL_MBSRTOWCS @@ -319,22 +351,26 @@ _GL_WARN_ON_USE (mbsrtowcs, "mbsrtowcs is unportable - " # define mbsnrtowcs rpl_mbsnrtowcs # endif _GL_FUNCDECL_RPL (mbsnrtowcs, size_t, - (wchar_t *dest, const char **srcp, size_t srclen, size_t len, - mbstate_t *ps) + (wchar_t *restrict dest, + const char **restrict srcp, size_t srclen, size_t len, + mbstate_t *restrict ps) _GL_ARG_NONNULL ((2))); _GL_CXXALIAS_RPL (mbsnrtowcs, size_t, - (wchar_t *dest, const char **srcp, size_t srclen, size_t len, - mbstate_t *ps)); + (wchar_t *restrict dest, + const char **restrict srcp, size_t srclen, size_t len, + mbstate_t *restrict ps)); # else # if !@HAVE_MBSNRTOWCS@ _GL_FUNCDECL_SYS (mbsnrtowcs, size_t, - (wchar_t *dest, const char **srcp, size_t srclen, size_t len, - mbstate_t *ps) + (wchar_t *restrict dest, + const char **restrict srcp, size_t srclen, size_t len, + mbstate_t *restrict ps) _GL_ARG_NONNULL ((2))); # endif _GL_CXXALIAS_SYS (mbsnrtowcs, size_t, - (wchar_t *dest, const char **srcp, size_t srclen, size_t len, - mbstate_t *ps)); + (wchar_t *restrict dest, + const char **restrict srcp, size_t srclen, size_t len, + mbstate_t *restrict ps)); # endif _GL_CXXALIASWARN (mbsnrtowcs); #elif defined GNULIB_POSIXCHECK @@ -353,15 +389,21 @@ _GL_WARN_ON_USE (mbsnrtowcs, "mbsnrtowcs is unportable - " # undef wcrtomb # define wcrtomb rpl_wcrtomb # endif -_GL_FUNCDECL_RPL (wcrtomb, size_t, (char *s, wchar_t wc, mbstate_t *ps)); -_GL_CXXALIAS_RPL (wcrtomb, size_t, (char *s, wchar_t wc, mbstate_t *ps)); +_GL_FUNCDECL_RPL (wcrtomb, size_t, + (char *restrict s, wchar_t wc, mbstate_t *restrict ps)); +_GL_CXXALIAS_RPL (wcrtomb, size_t, + (char *restrict s, wchar_t wc, mbstate_t *restrict ps)); # else # if !@HAVE_WCRTOMB@ -_GL_FUNCDECL_SYS (wcrtomb, size_t, (char *s, wchar_t wc, mbstate_t *ps)); +_GL_FUNCDECL_SYS (wcrtomb, size_t, + (char *restrict s, wchar_t wc, mbstate_t *restrict ps)); # endif -_GL_CXXALIAS_SYS (wcrtomb, size_t, (char *s, wchar_t wc, mbstate_t *ps)); +_GL_CXXALIAS_SYS (wcrtomb, size_t, + (char *restrict s, wchar_t wc, mbstate_t *restrict ps)); # endif +# if __GLIBC__ >= 2 _GL_CXXALIASWARN (wcrtomb); +# endif #elif defined GNULIB_POSIXCHECK # undef wcrtomb # if HAVE_RAW_DECL_WCRTOMB @@ -379,22 +421,30 @@ _GL_WARN_ON_USE (wcrtomb, "wcrtomb is unportable - " # define wcsrtombs rpl_wcsrtombs # endif _GL_FUNCDECL_RPL (wcsrtombs, size_t, - (char *dest, const wchar_t **srcp, size_t len, mbstate_t *ps) + (char *restrict dest, const wchar_t **restrict srcp, + size_t len, + mbstate_t *restrict ps) _GL_ARG_NONNULL ((2))); _GL_CXXALIAS_RPL (wcsrtombs, size_t, - (char *dest, const wchar_t **srcp, size_t len, - mbstate_t *ps)); + (char *restrict dest, const wchar_t **restrict srcp, + size_t len, + mbstate_t *restrict ps)); # else # if !@HAVE_WCSRTOMBS@ _GL_FUNCDECL_SYS (wcsrtombs, size_t, - (char *dest, const wchar_t **srcp, size_t len, mbstate_t *ps) + (char *restrict dest, const wchar_t **restrict srcp, + size_t len, + mbstate_t *restrict ps) _GL_ARG_NONNULL ((2))); # endif _GL_CXXALIAS_SYS (wcsrtombs, size_t, - (char *dest, const wchar_t **srcp, size_t len, - mbstate_t *ps)); + (char *restrict dest, const wchar_t **restrict srcp, + size_t len, + mbstate_t *restrict ps)); # endif +# if __GLIBC__ >= 2 _GL_CXXALIASWARN (wcsrtombs); +# endif #elif defined GNULIB_POSIXCHECK # undef wcsrtombs # if HAVE_RAW_DECL_WCSRTOMBS @@ -412,24 +462,34 @@ _GL_WARN_ON_USE (wcsrtombs, "wcsrtombs is unportable - " # define wcsnrtombs rpl_wcsnrtombs # endif _GL_FUNCDECL_RPL (wcsnrtombs, size_t, - (char *dest, const wchar_t **srcp, size_t srclen, size_t len, - mbstate_t *ps) + (char *restrict dest, + const wchar_t **restrict srcp, size_t srclen, + size_t len, + mbstate_t *restrict ps) _GL_ARG_NONNULL ((2))); _GL_CXXALIAS_RPL (wcsnrtombs, size_t, - (char *dest, const wchar_t **srcp, size_t srclen, size_t len, - mbstate_t *ps)); + (char *restrict dest, + const wchar_t **restrict srcp, size_t srclen, + size_t len, + mbstate_t *restrict ps)); # else -# if !@HAVE_WCSNRTOMBS@ +# if !@HAVE_WCSNRTOMBS@ || (defined __cplusplus && defined __sun) _GL_FUNCDECL_SYS (wcsnrtombs, size_t, - (char *dest, const wchar_t **srcp, size_t srclen, size_t len, - mbstate_t *ps) + (char *restrict dest, + const wchar_t **restrict srcp, size_t srclen, + size_t len, + mbstate_t *restrict ps) _GL_ARG_NONNULL ((2))); # endif _GL_CXXALIAS_SYS (wcsnrtombs, size_t, - (char *dest, const wchar_t **srcp, size_t srclen, size_t len, - mbstate_t *ps)); + (char *restrict dest, + const wchar_t **restrict srcp, size_t srclen, + size_t len, + mbstate_t *restrict ps)); # endif +# if __GLIBC__ >= 2 _GL_CXXALIASWARN (wcsnrtombs); +# endif #elif defined GNULIB_POSIXCHECK # undef wcsnrtombs # if HAVE_RAW_DECL_WCSNRTOMBS @@ -455,7 +515,9 @@ _GL_FUNCDECL_SYS (wcwidth, int, (wchar_t) _GL_ATTRIBUTE_PURE); # endif _GL_CXXALIAS_SYS (wcwidth, int, (wchar_t)); # endif +# if __GLIBC__ >= 2 _GL_CXXALIASWARN (wcwidth); +# endif #elif defined GNULIB_POSIXCHECK # undef wcwidth # if HAVE_RAW_DECL_WCWIDTH @@ -484,7 +546,7 @@ _GL_CXXALIAS_SYS_CAST2 (wmemchr, _GL_CXXALIASWARN1 (wmemchr, wchar_t *, (wchar_t *s, wchar_t c, size_t n)); _GL_CXXALIASWARN1 (wmemchr, const wchar_t *, (const wchar_t *s, wchar_t c, size_t n)); -# else +# elif __GLIBC__ >= 2 _GL_CXXALIASWARN (wmemchr); # endif #elif defined GNULIB_POSIXCHECK @@ -505,7 +567,9 @@ _GL_FUNCDECL_SYS (wmemcmp, int, # endif _GL_CXXALIAS_SYS (wmemcmp, int, (const wchar_t *s1, const wchar_t *s2, size_t n)); +# if __GLIBC__ >= 2 _GL_CXXALIASWARN (wmemcmp); +# endif #elif defined GNULIB_POSIXCHECK # undef wmemcmp # if HAVE_RAW_DECL_WMEMCMP @@ -519,11 +583,15 @@ _GL_WARN_ON_USE (wmemcmp, "wmemcmp is unportable - " #if @GNULIB_WMEMCPY@ # if !@HAVE_WMEMCPY@ _GL_FUNCDECL_SYS (wmemcpy, wchar_t *, - (wchar_t *dest, const wchar_t *src, size_t n)); + (wchar_t *restrict dest, + const wchar_t *restrict src, size_t n)); # endif _GL_CXXALIAS_SYS (wmemcpy, wchar_t *, - (wchar_t *dest, const wchar_t *src, size_t n)); + (wchar_t *restrict dest, + const wchar_t *restrict src, size_t n)); +# if __GLIBC__ >= 2 _GL_CXXALIASWARN (wmemcpy); +# endif #elif defined GNULIB_POSIXCHECK # undef wmemcpy # if HAVE_RAW_DECL_WMEMCPY @@ -542,7 +610,9 @@ _GL_FUNCDECL_SYS (wmemmove, wchar_t *, # endif _GL_CXXALIAS_SYS (wmemmove, wchar_t *, (wchar_t *dest, const wchar_t *src, size_t n)); +# if __GLIBC__ >= 2 _GL_CXXALIASWARN (wmemmove); +# endif #elif defined GNULIB_POSIXCHECK # undef wmemmove # if HAVE_RAW_DECL_WMEMMOVE @@ -558,7 +628,9 @@ _GL_WARN_ON_USE (wmemmove, "wmemmove is unportable - " _GL_FUNCDECL_SYS (wmemset, wchar_t *, (wchar_t *s, wchar_t c, size_t n)); # endif _GL_CXXALIAS_SYS (wmemset, wchar_t *, (wchar_t *s, wchar_t c, size_t n)); +# if __GLIBC__ >= 2 _GL_CXXALIASWARN (wmemset); +# endif #elif defined GNULIB_POSIXCHECK # undef wmemset # if HAVE_RAW_DECL_WMEMSET @@ -574,7 +646,9 @@ _GL_WARN_ON_USE (wmemset, "wmemset is unportable - " _GL_FUNCDECL_SYS (wcslen, size_t, (const wchar_t *s) _GL_ATTRIBUTE_PURE); # endif _GL_CXXALIAS_SYS (wcslen, size_t, (const wchar_t *s)); +# if __GLIBC__ >= 2 _GL_CXXALIASWARN (wcslen); +# endif #elif defined GNULIB_POSIXCHECK # undef wcslen # if HAVE_RAW_DECL_WCSLEN @@ -604,10 +678,14 @@ _GL_WARN_ON_USE (wcsnlen, "wcsnlen is unportable - " /* Copy SRC to DEST. */ #if @GNULIB_WCSCPY@ # if !@HAVE_WCSCPY@ -_GL_FUNCDECL_SYS (wcscpy, wchar_t *, (wchar_t *dest, const wchar_t *src)); +_GL_FUNCDECL_SYS (wcscpy, wchar_t *, + (wchar_t *restrict dest, const wchar_t *restrict src)); # endif -_GL_CXXALIAS_SYS (wcscpy, wchar_t *, (wchar_t *dest, const wchar_t *src)); +_GL_CXXALIAS_SYS (wcscpy, wchar_t *, + (wchar_t *restrict dest, const wchar_t *restrict src)); +# if __GLIBC__ >= 2 _GL_CXXALIASWARN (wcscpy); +# endif #elif defined GNULIB_POSIXCHECK # undef wcscpy # if HAVE_RAW_DECL_WCSCPY @@ -620,9 +698,11 @@ _GL_WARN_ON_USE (wcscpy, "wcscpy is unportable - " /* Copy SRC to DEST, returning the address of the terminating L'\0' in DEST. */ #if @GNULIB_WCPCPY@ # if !@HAVE_WCPCPY@ -_GL_FUNCDECL_SYS (wcpcpy, wchar_t *, (wchar_t *dest, const wchar_t *src)); +_GL_FUNCDECL_SYS (wcpcpy, wchar_t *, + (wchar_t *restrict dest, const wchar_t *restrict src)); # endif -_GL_CXXALIAS_SYS (wcpcpy, wchar_t *, (wchar_t *dest, const wchar_t *src)); +_GL_CXXALIAS_SYS (wcpcpy, wchar_t *, + (wchar_t *restrict dest, const wchar_t *restrict src)); _GL_CXXALIASWARN (wcpcpy); #elif defined GNULIB_POSIXCHECK # undef wcpcpy @@ -637,11 +717,15 @@ _GL_WARN_ON_USE (wcpcpy, "wcpcpy is unportable - " #if @GNULIB_WCSNCPY@ # if !@HAVE_WCSNCPY@ _GL_FUNCDECL_SYS (wcsncpy, wchar_t *, - (wchar_t *dest, const wchar_t *src, size_t n)); + (wchar_t *restrict dest, + const wchar_t *restrict src, size_t n)); # endif _GL_CXXALIAS_SYS (wcsncpy, wchar_t *, - (wchar_t *dest, const wchar_t *src, size_t n)); + (wchar_t *restrict dest, + const wchar_t *restrict src, size_t n)); +# if __GLIBC__ >= 2 _GL_CXXALIASWARN (wcsncpy); +# endif #elif defined GNULIB_POSIXCHECK # undef wcsncpy # if HAVE_RAW_DECL_WCSNCPY @@ -656,10 +740,12 @@ _GL_WARN_ON_USE (wcsncpy, "wcsncpy is unportable - " #if @GNULIB_WCPNCPY@ # if !@HAVE_WCPNCPY@ _GL_FUNCDECL_SYS (wcpncpy, wchar_t *, - (wchar_t *dest, const wchar_t *src, size_t n)); + (wchar_t *restrict dest, + const wchar_t *restrict src, size_t n)); # endif _GL_CXXALIAS_SYS (wcpncpy, wchar_t *, - (wchar_t *dest, const wchar_t *src, size_t n)); + (wchar_t *restrict dest, + const wchar_t *restrict src, size_t n)); _GL_CXXALIASWARN (wcpncpy); #elif defined GNULIB_POSIXCHECK # undef wcpncpy @@ -673,10 +759,14 @@ _GL_WARN_ON_USE (wcpncpy, "wcpncpy is unportable - " /* Append SRC onto DEST. */ #if @GNULIB_WCSCAT@ # if !@HAVE_WCSCAT@ -_GL_FUNCDECL_SYS (wcscat, wchar_t *, (wchar_t *dest, const wchar_t *src)); +_GL_FUNCDECL_SYS (wcscat, wchar_t *, + (wchar_t *restrict dest, const wchar_t *restrict src)); # endif -_GL_CXXALIAS_SYS (wcscat, wchar_t *, (wchar_t *dest, const wchar_t *src)); +_GL_CXXALIAS_SYS (wcscat, wchar_t *, + (wchar_t *restrict dest, const wchar_t *restrict src)); +# if __GLIBC__ >= 2 _GL_CXXALIASWARN (wcscat); +# endif #elif defined GNULIB_POSIXCHECK # undef wcscat # if HAVE_RAW_DECL_WCSCAT @@ -690,11 +780,15 @@ _GL_WARN_ON_USE (wcscat, "wcscat is unportable - " #if @GNULIB_WCSNCAT@ # if !@HAVE_WCSNCAT@ _GL_FUNCDECL_SYS (wcsncat, wchar_t *, - (wchar_t *dest, const wchar_t *src, size_t n)); + (wchar_t *restrict dest, const wchar_t *restrict src, + size_t n)); # endif _GL_CXXALIAS_SYS (wcsncat, wchar_t *, - (wchar_t *dest, const wchar_t *src, size_t n)); + (wchar_t *restrict dest, const wchar_t *restrict src, + size_t n)); +# if __GLIBC__ >= 2 _GL_CXXALIASWARN (wcsncat); +# endif #elif defined GNULIB_POSIXCHECK # undef wcsncat # if HAVE_RAW_DECL_WCSNCAT @@ -711,7 +805,9 @@ _GL_FUNCDECL_SYS (wcscmp, int, (const wchar_t *s1, const wchar_t *s2) _GL_ATTRIBUTE_PURE); # endif _GL_CXXALIAS_SYS (wcscmp, int, (const wchar_t *s1, const wchar_t *s2)); +# if __GLIBC__ >= 2 _GL_CXXALIASWARN (wcscmp); +# endif #elif defined GNULIB_POSIXCHECK # undef wcscmp # if HAVE_RAW_DECL_WCSCMP @@ -730,7 +826,9 @@ _GL_FUNCDECL_SYS (wcsncmp, int, # endif _GL_CXXALIAS_SYS (wcsncmp, int, (const wchar_t *s1, const wchar_t *s2, size_t n)); +# if __GLIBC__ >= 2 _GL_CXXALIASWARN (wcsncmp); +# endif #elif defined GNULIB_POSIXCHECK # undef wcsncmp # if HAVE_RAW_DECL_WCSNCMP @@ -783,7 +881,9 @@ _GL_WARN_ON_USE (wcsncasecmp, "wcsncasecmp is unportable - " _GL_FUNCDECL_SYS (wcscoll, int, (const wchar_t *s1, const wchar_t *s2)); # endif _GL_CXXALIAS_SYS (wcscoll, int, (const wchar_t *s1, const wchar_t *s2)); +# if __GLIBC__ >= 2 _GL_CXXALIASWARN (wcscoll); +# endif #elif defined GNULIB_POSIXCHECK # undef wcscoll # if HAVE_RAW_DECL_WCSCOLL @@ -798,10 +898,14 @@ _GL_WARN_ON_USE (wcscoll, "wcscoll is unportable - " original strings. */ #if @GNULIB_WCSXFRM@ # if !@HAVE_WCSXFRM@ -_GL_FUNCDECL_SYS (wcsxfrm, size_t, (wchar_t *s1, const wchar_t *s2, size_t n)); +_GL_FUNCDECL_SYS (wcsxfrm, size_t, + (wchar_t *restrict s1, const wchar_t *restrict s2, size_t n)); # endif -_GL_CXXALIAS_SYS (wcsxfrm, size_t, (wchar_t *s1, const wchar_t *s2, size_t n)); +_GL_CXXALIAS_SYS (wcsxfrm, size_t, + (wchar_t *restrict s1, const wchar_t *restrict s2, size_t n)); +# if __GLIBC__ >= 2 _GL_CXXALIASWARN (wcsxfrm); +# endif #elif defined GNULIB_POSIXCHECK # undef wcsxfrm # if HAVE_RAW_DECL_WCSXFRM @@ -845,7 +949,7 @@ _GL_CXXALIAS_SYS_CAST2 (wcschr, && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4)) _GL_CXXALIASWARN1 (wcschr, wchar_t *, (wchar_t *wcs, wchar_t wc)); _GL_CXXALIASWARN1 (wcschr, const wchar_t *, (const wchar_t *wcs, wchar_t wc)); -# else +# elif __GLIBC__ >= 2 _GL_CXXALIASWARN (wcschr); # endif #elif defined GNULIB_POSIXCHECK @@ -875,7 +979,7 @@ _GL_CXXALIAS_SYS_CAST2 (wcsrchr, && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4)) _GL_CXXALIASWARN1 (wcsrchr, wchar_t *, (wchar_t *wcs, wchar_t wc)); _GL_CXXALIASWARN1 (wcsrchr, const wchar_t *, (const wchar_t *wcs, wchar_t wc)); -# else +# elif __GLIBC__ >= 2 _GL_CXXALIASWARN (wcsrchr); # endif #elif defined GNULIB_POSIXCHECK @@ -895,7 +999,9 @@ _GL_FUNCDECL_SYS (wcscspn, size_t, (const wchar_t *wcs, const wchar_t *reject) _GL_ATTRIBUTE_PURE); # endif _GL_CXXALIAS_SYS (wcscspn, size_t, (const wchar_t *wcs, const wchar_t *reject)); +# if __GLIBC__ >= 2 _GL_CXXALIASWARN (wcscspn); +# endif #elif defined GNULIB_POSIXCHECK # undef wcscspn # if HAVE_RAW_DECL_WCSCSPN @@ -913,7 +1019,9 @@ _GL_FUNCDECL_SYS (wcsspn, size_t, (const wchar_t *wcs, const wchar_t *accept) _GL_ATTRIBUTE_PURE); # endif _GL_CXXALIAS_SYS (wcsspn, size_t, (const wchar_t *wcs, const wchar_t *accept)); +# if __GLIBC__ >= 2 _GL_CXXALIASWARN (wcsspn); +# endif #elif defined GNULIB_POSIXCHECK # undef wcsspn # if HAVE_RAW_DECL_WCSSPN @@ -944,7 +1052,7 @@ _GL_CXXALIASWARN1 (wcspbrk, wchar_t *, (wchar_t *wcs, const wchar_t *accept)); _GL_CXXALIASWARN1 (wcspbrk, const wchar_t *, (const wchar_t *wcs, const wchar_t *accept)); -# else +# elif __GLIBC__ >= 2 _GL_CXXALIASWARN (wcspbrk); # endif #elif defined GNULIB_POSIXCHECK @@ -960,7 +1068,8 @@ _GL_WARN_ON_USE (wcspbrk, "wcspbrk is unportable - " #if @GNULIB_WCSSTR@ # if !@HAVE_WCSSTR@ _GL_FUNCDECL_SYS (wcsstr, wchar_t *, - (const wchar_t *haystack, const wchar_t *needle) + (const wchar_t *restrict haystack, + const wchar_t *restrict needle) _GL_ATTRIBUTE_PURE); # endif /* On some systems, this function is defined as an overloaded function: @@ -969,15 +1078,19 @@ _GL_FUNCDECL_SYS (wcsstr, wchar_t *, wchar_t * std::wcsstr (wchar_t *, const wchar_t *); } */ _GL_CXXALIAS_SYS_CAST2 (wcsstr, - wchar_t *, (const wchar_t *, const wchar_t *), - const wchar_t *, (const wchar_t *, const wchar_t *)); + wchar_t *, + (const wchar_t *restrict, const wchar_t *restrict), + const wchar_t *, + (const wchar_t *restrict, const wchar_t *restrict)); # if ((__GLIBC__ == 2 && __GLIBC_MINOR__ >= 10) && !defined __UCLIBC__) \ && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4)) _GL_CXXALIASWARN1 (wcsstr, wchar_t *, - (wchar_t *haystack, const wchar_t *needle)); + (wchar_t *restrict haystack, + const wchar_t *restrict needle)); _GL_CXXALIASWARN1 (wcsstr, const wchar_t *, - (const wchar_t *haystack, const wchar_t *needle)); -# else + (const wchar_t *restrict haystack, + const wchar_t *restrict needle)); +# elif __GLIBC__ >= 2 _GL_CXXALIASWARN (wcsstr); # endif #elif defined GNULIB_POSIXCHECK @@ -991,13 +1104,30 @@ _GL_WARN_ON_USE (wcsstr, "wcsstr is unportable - " /* Divide WCS into tokens separated by characters in DELIM. */ #if @GNULIB_WCSTOK@ -# if !@HAVE_WCSTOK@ +# if @REPLACE_WCSTOK@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# undef wcstok +# define wcstok rpl_wcstok +# endif +_GL_FUNCDECL_RPL (wcstok, wchar_t *, + (wchar_t *restrict wcs, const wchar_t *restrict delim, + wchar_t **restrict ptr)); +_GL_CXXALIAS_RPL (wcstok, wchar_t *, + (wchar_t *restrict wcs, const wchar_t *restrict delim, + wchar_t **restrict ptr)); +# else +# if !@HAVE_WCSTOK@ _GL_FUNCDECL_SYS (wcstok, wchar_t *, - (wchar_t *wcs, const wchar_t *delim, wchar_t **ptr)); -# endif + (wchar_t *restrict wcs, const wchar_t *restrict delim, + wchar_t **restrict ptr)); +# endif _GL_CXXALIAS_SYS (wcstok, wchar_t *, - (wchar_t *wcs, const wchar_t *delim, wchar_t **ptr)); + (wchar_t *restrict wcs, const wchar_t *restrict delim, + wchar_t **restrict ptr)); +# endif +# if __GLIBC__ >= 2 _GL_CXXALIASWARN (wcstok); +# endif #elif defined GNULIB_POSIXCHECK # undef wcstok # if HAVE_RAW_DECL_WCSTOK @@ -1025,7 +1155,9 @@ _GL_FUNCDECL_SYS (wcswidth, int, (const wchar_t *s, size_t n) # endif _GL_CXXALIAS_SYS (wcswidth, int, (const wchar_t *s, size_t n)); # endif +# if __GLIBC__ >= 2 _GL_CXXALIASWARN (wcswidth); +# endif #elif defined GNULIB_POSIXCHECK # undef wcswidth # if HAVE_RAW_DECL_WCSWIDTH @@ -1036,28 +1168,38 @@ _GL_WARN_ON_USE (wcswidth, "wcswidth is unportable - " /* Convert *TP to a date and time wide string. See - . */ + . */ #if @GNULIB_WCSFTIME@ # if @REPLACE_WCSFTIME@ # if !(defined __cplusplus && defined GNULIB_NAMESPACE) # undef wcsftime # define wcsftime rpl_wcsftime # endif -_GL_FUNCDECL_RPL (wcsftime, size_t, (wchar_t *__buf, size_t __bufsize, - const wchar_t *__fmt, const struct tm *__tp) - _GL_ARG_NONNULL ((1, 3, 4))); -_GL_CXXALIAS_RPL (wcsftime, size_t, (wchar_t *__buf, size_t __bufsize, - const wchar_t *__fmt, const struct tm *__tp)); +_GL_FUNCDECL_RPL (wcsftime, size_t, + (wchar_t *restrict __buf, size_t __bufsize, + const wchar_t *restrict __fmt, + const struct tm *restrict __tp) + _GL_ARG_NONNULL ((1, 3, 4))); +_GL_CXXALIAS_RPL (wcsftime, size_t, + (wchar_t *restrict __buf, size_t __bufsize, + const wchar_t *restrict __fmt, + const struct tm *restrict __tp)); # else # if !@HAVE_WCSFTIME@ -_GL_FUNCDECL_SYS (wcsftime, size_t, (wchar_t *__buf, size_t __bufsize, - const wchar_t *__fmt, const struct tm *__tp) - _GL_ARG_NONNULL ((1, 3, 4))); +_GL_FUNCDECL_SYS (wcsftime, size_t, + (wchar_t *restrict __buf, size_t __bufsize, + const wchar_t *restrict __fmt, + const struct tm *restrict __tp) + _GL_ARG_NONNULL ((1, 3, 4))); # endif -_GL_CXXALIAS_SYS (wcsftime, size_t, (wchar_t *__buf, size_t __bufsize, - const wchar_t *__fmt, const struct tm *__tp)); +_GL_CXXALIAS_SYS (wcsftime, size_t, + (wchar_t *restrict __buf, size_t __bufsize, + const wchar_t *restrict __fmt, + const struct tm *restrict __tp)); # endif +# if __GLIBC__ >= 2 _GL_CXXALIASWARN (wcsftime); +# endif #elif defined GNULIB_POSIXCHECK # undef wcsftime # if HAVE_RAW_DECL_WCSFTIME diff --git a/lib/wctype.in.h b/lib/wctype.in.h index 0a7471fd4..57b86928f 100644 --- a/lib/wctype.in.h +++ b/lib/wctype.in.h @@ -1,6 +1,6 @@ /* A substitute for ISO C99 , for platforms that lack it. - Copyright (C) 2006-2019 Free Software Foundation, Inc. + Copyright (C) 2006-2020 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -19,7 +19,7 @@ /* * ISO C 99 for platforms that lack it. - * + * * * iswctype, towctrans, towlower, towupper, wctrans, wctype, * wctrans_t, and wctype_t are not yet implemented. @@ -133,33 +133,116 @@ typedef unsigned int rpl_wint_t; /* FreeBSD 4.4 to 4.11 has but lacks the functions. Linux libc5 has and the functions but they are broken. + mingw and MSVC have and the functions but they take a wchar_t + as argument, not an rpl_wint_t. Assume all 11 functions (all isw* except iswblank) are implemented the same way, or not at all. */ # if ! @HAVE_ISWCNTRL@ || @REPLACE_ISWCNTRL@ -/* IRIX 5.3 has macros but no functions, its isw* macros refer to an - undefined variable _ctmp_ and to macros like _P, and they - refer to system functions like _iswctype that are not in the - standard C library. Rather than try to get ancient buggy - implementations like this to work, just disable them. */ -# undef iswalnum -# undef iswalpha -# undef iswblank -# undef iswcntrl -# undef iswdigit -# undef iswgraph -# undef iswlower -# undef iswprint -# undef iswpunct -# undef iswspace -# undef iswupper -# undef iswxdigit -# undef towlower -# undef towupper +# if @GNULIB_OVERRIDES_WINT_T@ /* implies @REPLACE_ISWCNTRL@ */ + +_GL_WCTYPE_INLINE int +rpl_iswalnum (wint_t wc) +{ + return ((wchar_t) wc == wc ? iswalnum ((wchar_t) wc) : 0); +} + +_GL_WCTYPE_INLINE int +rpl_iswalpha (wint_t wc) +{ + return ((wchar_t) wc == wc ? iswalpha ((wchar_t) wc) : 0); +} + +_GL_WCTYPE_INLINE int +rpl_iswblank (wint_t wc) +{ + return ((wchar_t) wc == wc ? iswblank ((wchar_t) wc) : 0); +} + +_GL_WCTYPE_INLINE int +rpl_iswcntrl (wint_t wc) +{ + return ((wchar_t) wc == wc ? iswcntrl ((wchar_t) wc) : 0); +} + +_GL_WCTYPE_INLINE int +rpl_iswdigit (wint_t wc) +{ + return ((wchar_t) wc == wc ? wc >= '0' && wc <= '9' : 0); +} + +_GL_WCTYPE_INLINE int +rpl_iswgraph (wint_t wc) +{ + return ((wchar_t) wc == wc ? iswgraph ((wchar_t) wc) : 0); +} + +_GL_WCTYPE_INLINE int +rpl_iswlower (wint_t wc) +{ + return ((wchar_t) wc == wc ? iswlower ((wchar_t) wc) : 0); +} + +_GL_WCTYPE_INLINE int +rpl_iswprint (wint_t wc) +{ + return ((wchar_t) wc == wc ? iswprint ((wchar_t) wc) : 0); +} + +_GL_WCTYPE_INLINE int +rpl_iswpunct (wint_t wc) +{ + return ((wchar_t) wc == wc ? iswpunct ((wchar_t) wc) : 0); +} + +_GL_WCTYPE_INLINE int +rpl_iswspace (wint_t wc) +{ + return ((wchar_t) wc == wc ? iswspace ((wchar_t) wc) : 0); +} + +_GL_WCTYPE_INLINE int +rpl_iswupper (wint_t wc) +{ + return ((wchar_t) wc == wc ? iswupper ((wchar_t) wc) : 0); +} + +_GL_WCTYPE_INLINE int +rpl_iswxdigit (wint_t wc) +{ + return ((wchar_t) wc == wc + ? (wc >= '0' && wc <= '9') + || ((wc & ~0x20) >= 'A' && (wc & ~0x20) <= 'F') + : 0); +} + +_GL_WCTYPE_INLINE wint_t +rpl_towlower (wint_t wc) +{ + return ((wchar_t) wc == wc ? (wchar_t) towlower ((wchar_t) wc) : wc); +} + +_GL_WCTYPE_INLINE wint_t +rpl_towupper (wint_t wc) +{ + return ((wchar_t) wc == wc ? (wchar_t) towupper ((wchar_t) wc) : wc); +} -/* Linux libc5 has and the functions but they are broken. */ -# if @REPLACE_ISWCNTRL@ # if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# undef iswalnum +# undef iswalpha +# undef iswblank +# undef iswcntrl +# undef iswdigit +# undef iswgraph +# undef iswlower +# undef iswprint +# undef iswpunct +# undef iswspace +# undef iswupper +# undef iswxdigit +# undef towlower +# undef towupper # define iswalnum rpl_iswalnum # define iswalpha rpl_iswalpha # define iswblank rpl_iswblank @@ -172,21 +255,62 @@ typedef unsigned int rpl_wint_t; # define iswspace rpl_iswspace # define iswupper rpl_iswupper # define iswxdigit rpl_iswxdigit -# endif -# endif -# if @REPLACE_TOWLOWER@ -# if !(defined __cplusplus && defined GNULIB_NAMESPACE) # define towlower rpl_towlower # define towupper rpl_towupper # endif -# endif + +# else + +/* IRIX 5.3 has macros but no functions, its isw* macros refer to an + undefined variable _ctmp_ and to macros like _P, and they + refer to system functions like _iswctype that are not in the + standard C library. Rather than try to get ancient buggy + implementations like this to work, just disable them. */ +# undef iswalnum +# undef iswalpha +# undef iswblank +# undef iswcntrl +# undef iswdigit +# undef iswgraph +# undef iswlower +# undef iswprint +# undef iswpunct +# undef iswspace +# undef iswupper +# undef iswxdigit +# undef towlower +# undef towupper + +/* Linux libc5 has and the functions but they are broken. */ +# if @REPLACE_ISWCNTRL@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# define iswalnum rpl_iswalnum +# define iswalpha rpl_iswalpha +# define iswblank rpl_iswblank +# define iswcntrl rpl_iswcntrl +# define iswdigit rpl_iswdigit +# define iswgraph rpl_iswgraph +# define iswlower rpl_iswlower +# define iswprint rpl_iswprint +# define iswpunct rpl_iswpunct +# define iswspace rpl_iswspace +# define iswupper rpl_iswupper +# define iswxdigit rpl_iswxdigit +# endif +# endif +# if @REPLACE_TOWLOWER@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# define towlower rpl_towlower +# define towupper rpl_towupper +# endif +# endif _GL_WCTYPE_INLINE int -# if @REPLACE_ISWCNTRL@ +# if @REPLACE_ISWCNTRL@ rpl_iswalnum -# else +# else iswalnum -# endif +# endif (wint_t wc) { return ((wc >= '0' && wc <= '9') @@ -194,88 +318,88 @@ iswalnum } _GL_WCTYPE_INLINE int -# if @REPLACE_ISWCNTRL@ +# if @REPLACE_ISWCNTRL@ rpl_iswalpha -# else +# else iswalpha -# endif +# endif (wint_t wc) { return (wc & ~0x20) >= 'A' && (wc & ~0x20) <= 'Z'; } _GL_WCTYPE_INLINE int -# if @REPLACE_ISWCNTRL@ +# if @REPLACE_ISWCNTRL@ rpl_iswblank -# else +# else iswblank -# endif +# endif (wint_t wc) { return wc == ' ' || wc == '\t'; } _GL_WCTYPE_INLINE int -# if @REPLACE_ISWCNTRL@ +# if @REPLACE_ISWCNTRL@ rpl_iswcntrl -# else +# else iswcntrl -# endif +# endif (wint_t wc) { return (wc & ~0x1f) == 0 || wc == 0x7f; } _GL_WCTYPE_INLINE int -# if @REPLACE_ISWCNTRL@ +# if @REPLACE_ISWDIGIT@ rpl_iswdigit -# else +# else iswdigit -# endif +# endif (wint_t wc) { return wc >= '0' && wc <= '9'; } _GL_WCTYPE_INLINE int -# if @REPLACE_ISWCNTRL@ +# if @REPLACE_ISWCNTRL@ rpl_iswgraph -# else +# else iswgraph -# endif +# endif (wint_t wc) { return wc >= '!' && wc <= '~'; } _GL_WCTYPE_INLINE int -# if @REPLACE_ISWCNTRL@ +# if @REPLACE_ISWCNTRL@ rpl_iswlower -# else +# else iswlower -# endif +# endif (wint_t wc) { return wc >= 'a' && wc <= 'z'; } _GL_WCTYPE_INLINE int -# if @REPLACE_ISWCNTRL@ +# if @REPLACE_ISWCNTRL@ rpl_iswprint -# else +# else iswprint -# endif +# endif (wint_t wc) { return wc >= ' ' && wc <= '~'; } _GL_WCTYPE_INLINE int -# if @REPLACE_ISWCNTRL@ +# if @REPLACE_ISWCNTRL@ rpl_iswpunct -# else +# else iswpunct -# endif +# endif (wint_t wc) { return (wc >= '!' && wc <= '~' @@ -284,11 +408,11 @@ iswpunct } _GL_WCTYPE_INLINE int -# if @REPLACE_ISWCNTRL@ +# if @REPLACE_ISWCNTRL@ rpl_iswspace -# else +# else iswspace -# endif +# endif (wint_t wc) { return (wc == ' ' || wc == '\t' @@ -296,22 +420,22 @@ iswspace } _GL_WCTYPE_INLINE int -# if @REPLACE_ISWCNTRL@ +# if @REPLACE_ISWCNTRL@ rpl_iswupper -# else +# else iswupper -# endif +# endif (wint_t wc) { return wc >= 'A' && wc <= 'Z'; } _GL_WCTYPE_INLINE int -# if @REPLACE_ISWCNTRL@ +# if @REPLACE_ISWXDIGIT@ rpl_iswxdigit -# else +# else iswxdigit -# endif +# endif (wint_t wc) { return ((wc >= '0' && wc <= '9') @@ -319,42 +443,67 @@ iswxdigit } _GL_WCTYPE_INLINE wint_t -# if @REPLACE_TOWLOWER@ +# if @REPLACE_TOWLOWER@ rpl_towlower -# else +# else towlower -# endif +# endif (wint_t wc) { return (wc >= 'A' && wc <= 'Z' ? wc - 'A' + 'a' : wc); } _GL_WCTYPE_INLINE wint_t -# if @REPLACE_TOWLOWER@ +# if @REPLACE_TOWLOWER@ rpl_towupper -# else +# else towupper -# endif +# endif (wint_t wc) { return (wc >= 'a' && wc <= 'z' ? wc - 'a' + 'A' : wc); } -# elif @GNULIB_ISWBLANK@ && (! @HAVE_ISWBLANK@ || @REPLACE_ISWBLANK@) -/* Only the iswblank function is missing. */ +# endif -# if @REPLACE_ISWBLANK@ -# if !(defined __cplusplus && defined GNULIB_NAMESPACE) -# define iswblank rpl_iswblank -# endif +# else +/* Only some of the functions are missing or broken. */ + +# if @GNULIB_ISWBLANK@ && (! @HAVE_ISWBLANK@ || @REPLACE_ISWBLANK@) +/* Only the iswblank function is missing. */ +# if @REPLACE_ISWBLANK@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# define iswblank rpl_iswblank +# endif _GL_FUNCDECL_RPL (iswblank, int, (wint_t wc)); -# else +# else _GL_FUNCDECL_SYS (iswblank, int, (wint_t wc)); +# endif +# endif + +# if @GNULIB_ISWDIGIT@ +# if @REPLACE_ISWDIGIT@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# undef iswdigit +# define iswdigit rpl_iswdigit +# endif +_GL_FUNCDECL_RPL (iswdigit, int, (wint_t wc)); +# endif +# endif + +# if @GNULIB_ISWXDIGIT@ +# if @REPLACE_ISWXDIGIT@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# undef iswxdigit +# define iswxdigit rpl_iswxdigit +# endif +_GL_FUNCDECL_RPL (iswxdigit, int, (wint_t wc)); +# endif # endif # endif -# if defined __MINGW32__ +# if defined __MINGW32__ && !@GNULIB_OVERRIDES_WINT_T@ /* On native Windows, wchar_t is uint16_t, and wint_t is uint32_t. The functions towlower and towupper are implemented in the MSVCRT library @@ -387,36 +536,71 @@ rpl_towupper (wint_t wc) # define towupper rpl_towupper # endif -# endif /* __MINGW32__ */ +# endif /* __MINGW32__ && !@GNULIB_OVERRIDES_WINT_T@ */ # define GNULIB_defined_wctype_functions 1 #endif #if @REPLACE_ISWCNTRL@ _GL_CXXALIAS_RPL (iswalnum, int, (wint_t wc)); -_GL_CXXALIAS_RPL (iswalpha, int, (wint_t wc)); -_GL_CXXALIAS_RPL (iswcntrl, int, (wint_t wc)); -_GL_CXXALIAS_RPL (iswdigit, int, (wint_t wc)); -_GL_CXXALIAS_RPL (iswgraph, int, (wint_t wc)); -_GL_CXXALIAS_RPL (iswlower, int, (wint_t wc)); -_GL_CXXALIAS_RPL (iswprint, int, (wint_t wc)); -_GL_CXXALIAS_RPL (iswpunct, int, (wint_t wc)); -_GL_CXXALIAS_RPL (iswspace, int, (wint_t wc)); -_GL_CXXALIAS_RPL (iswupper, int, (wint_t wc)); -_GL_CXXALIAS_RPL (iswxdigit, int, (wint_t wc)); #else _GL_CXXALIAS_SYS (iswalnum, int, (wint_t wc)); -_GL_CXXALIAS_SYS (iswalpha, int, (wint_t wc)); -_GL_CXXALIAS_SYS (iswcntrl, int, (wint_t wc)); -_GL_CXXALIAS_SYS (iswdigit, int, (wint_t wc)); -_GL_CXXALIAS_SYS (iswgraph, int, (wint_t wc)); -_GL_CXXALIAS_SYS (iswlower, int, (wint_t wc)); -_GL_CXXALIAS_SYS (iswprint, int, (wint_t wc)); -_GL_CXXALIAS_SYS (iswpunct, int, (wint_t wc)); -_GL_CXXALIAS_SYS (iswspace, int, (wint_t wc)); -_GL_CXXALIAS_SYS (iswupper, int, (wint_t wc)); -_GL_CXXALIAS_SYS (iswxdigit, int, (wint_t wc)); #endif +#if @REPLACE_ISWCNTRL@ +_GL_CXXALIAS_RPL (iswalpha, int, (wint_t wc)); +#else +_GL_CXXALIAS_SYS (iswalpha, int, (wint_t wc)); +#endif +#if @REPLACE_ISWCNTRL@ +_GL_CXXALIAS_RPL (iswcntrl, int, (wint_t wc)); +#else +_GL_CXXALIAS_SYS (iswcntrl, int, (wint_t wc)); +#endif +#if @GNULIB_ISWDIGIT@ +# if @REPLACE_ISWDIGIT@ +_GL_CXXALIAS_RPL (iswdigit, int, (wint_t wc)); +# else +_GL_CXXALIAS_SYS (iswdigit, int, (wint_t wc)); +# endif +#endif +#if @REPLACE_ISWCNTRL@ +_GL_CXXALIAS_RPL (iswgraph, int, (wint_t wc)); +#else +_GL_CXXALIAS_SYS (iswgraph, int, (wint_t wc)); +#endif +#if @REPLACE_ISWCNTRL@ +_GL_CXXALIAS_RPL (iswlower, int, (wint_t wc)); +#else +_GL_CXXALIAS_SYS (iswlower, int, (wint_t wc)); +#endif +#if @REPLACE_ISWCNTRL@ +_GL_CXXALIAS_RPL (iswprint, int, (wint_t wc)); +#else +_GL_CXXALIAS_SYS (iswprint, int, (wint_t wc)); +#endif +#if @REPLACE_ISWCNTRL@ +_GL_CXXALIAS_RPL (iswpunct, int, (wint_t wc)); +#else +_GL_CXXALIAS_SYS (iswpunct, int, (wint_t wc)); +#endif +#if @REPLACE_ISWCNTRL@ +_GL_CXXALIAS_RPL (iswspace, int, (wint_t wc)); +#else +_GL_CXXALIAS_SYS (iswspace, int, (wint_t wc)); +#endif +#if @REPLACE_ISWCNTRL@ +_GL_CXXALIAS_RPL (iswupper, int, (wint_t wc)); +#else +_GL_CXXALIAS_SYS (iswupper, int, (wint_t wc)); +#endif +#if @GNULIB_ISWXDIGIT@ +# if @REPLACE_ISWXDIGIT@ +_GL_CXXALIAS_RPL (iswxdigit, int, (wint_t wc)); +# else +_GL_CXXALIAS_SYS (iswxdigit, int, (wint_t wc)); +# endif +#endif +#if __GLIBC__ >= 2 _GL_CXXALIASWARN (iswalnum); _GL_CXXALIASWARN (iswalpha); _GL_CXXALIASWARN (iswcntrl); @@ -428,6 +612,7 @@ _GL_CXXALIASWARN (iswpunct); _GL_CXXALIASWARN (iswspace); _GL_CXXALIASWARN (iswupper); _GL_CXXALIASWARN (iswxdigit); +#endif #if @GNULIB_ISWBLANK@ # if @REPLACE_ISWCNTRL@ || @REPLACE_ISWBLANK@ @@ -435,7 +620,9 @@ _GL_CXXALIAS_RPL (iswblank, int, (wint_t wc)); # else _GL_CXXALIAS_SYS (iswblank, int, (wint_t wc)); # endif +# if __GLIBC__ >= 2 _GL_CXXALIASWARN (iswblank); +# endif #endif #if !@HAVE_WCTYPE_T@ @@ -451,7 +638,9 @@ typedef void * wctype_t; _GL_FUNCDECL_SYS (wctype, wctype_t, (const char *name)); # endif _GL_CXXALIAS_SYS (wctype, wctype_t, (const char *name)); +# if __GLIBC__ >= 2 _GL_CXXALIASWARN (wctype); +# endif #elif defined GNULIB_POSIXCHECK # undef wctype # if HAVE_RAW_DECL_WCTYPE @@ -464,11 +653,22 @@ _GL_WARN_ON_USE (wctype, "wctype is unportable - " The argument WC must be either a wchar_t value or WEOF. The argument DESC must have been returned by the wctype() function. */ #if @GNULIB_ISWCTYPE@ -# if !@HAVE_WCTYPE_T@ +# if @GNULIB_OVERRIDES_WINT_T@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# undef iswctype +# define iswctype rpl_iswctype +# endif +_GL_FUNCDECL_RPL (iswctype, int, (wint_t wc, wctype_t desc)); +_GL_CXXALIAS_RPL (iswctype, int, (wint_t wc, wctype_t desc)); +# else +# if !@HAVE_WCTYPE_T@ _GL_FUNCDECL_SYS (iswctype, int, (wint_t wc, wctype_t desc)); -# endif +# endif _GL_CXXALIAS_SYS (iswctype, int, (wint_t wc, wctype_t desc)); +# endif +# if __GLIBC__ >= 2 _GL_CXXALIASWARN (iswctype); +# endif #elif defined GNULIB_POSIXCHECK # undef iswctype # if HAVE_RAW_DECL_ISWCTYPE @@ -484,8 +684,10 @@ _GL_CXXALIAS_RPL (towupper, wint_t, (wint_t wc)); _GL_CXXALIAS_SYS (towlower, wint_t, (wint_t wc)); _GL_CXXALIAS_SYS (towupper, wint_t, (wint_t wc)); #endif +#if __GLIBC__ >= 2 _GL_CXXALIASWARN (towlower); _GL_CXXALIASWARN (towupper); +#endif #if !@HAVE_WCTRANS_T@ # if !GNULIB_defined_wctrans_t @@ -500,7 +702,9 @@ typedef void * wctrans_t; _GL_FUNCDECL_SYS (wctrans, wctrans_t, (const char *name)); # endif _GL_CXXALIAS_SYS (wctrans, wctrans_t, (const char *name)); +# if __GLIBC__ >= 2 _GL_CXXALIASWARN (wctrans); +# endif #elif defined GNULIB_POSIXCHECK # undef wctrans # if HAVE_RAW_DECL_WCTRANS @@ -517,7 +721,9 @@ _GL_WARN_ON_USE (wctrans, "wctrans is unportable - " _GL_FUNCDECL_SYS (towctrans, wint_t, (wint_t wc, wctrans_t desc)); # endif _GL_CXXALIAS_SYS (towctrans, wint_t, (wint_t wc, wctrans_t desc)); +# if __GLIBC__ >= 2 _GL_CXXALIASWARN (towctrans); +# endif #elif defined GNULIB_POSIXCHECK # undef towctrans # if HAVE_RAW_DECL_TOWCTRANS diff --git a/lib/windows-initguard.h b/lib/windows-initguard.h index 8aefd0b0f..c4be45a5f 100644 --- a/lib/windows-initguard.h +++ b/lib/windows-initguard.h @@ -1,5 +1,5 @@ /* Init guards, somewhat like spinlocks (native Windows implementation). - Copyright (C) 2005-2019 Free Software Foundation, Inc. + Copyright (C) 2005-2020 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by diff --git a/lib/windows-mutex.c b/lib/windows-mutex.c deleted file mode 100644 index 94338816e..000000000 --- a/lib/windows-mutex.c +++ /dev/null @@ -1,95 +0,0 @@ -/* Plain mutexes (native Windows implementation). - Copyright (C) 2005-2019 Free Software Foundation, Inc. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 3, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, see . */ - -/* Written by Bruno Haible , 2005. - Based on GCC's gthr-win32.h. */ - -#include - -/* Specification. */ -#include "windows-mutex.h" - -#include - -void -glwthread_mutex_init (glwthread_mutex_t *mutex) -{ - InitializeCriticalSection (&mutex->lock); - mutex->guard.done = 1; -} - -int -glwthread_mutex_lock (glwthread_mutex_t *mutex) -{ - if (!mutex->guard.done) - { - if (InterlockedIncrement (&mutex->guard.started) == 0) - /* This thread is the first one to need this mutex. Initialize it. */ - glwthread_mutex_init (mutex); - else - { - /* Don't let mutex->guard.started grow and wrap around. */ - InterlockedDecrement (&mutex->guard.started); - /* Yield the CPU while waiting for another thread to finish - initializing this mutex. */ - while (!mutex->guard.done) - Sleep (0); - } - } - EnterCriticalSection (&mutex->lock); - return 0; -} - -int -glwthread_mutex_trylock (glwthread_mutex_t *mutex) -{ - if (!mutex->guard.done) - { - if (InterlockedIncrement (&mutex->guard.started) == 0) - /* This thread is the first one to need this mutex. Initialize it. */ - glwthread_mutex_init (mutex); - else - { - /* Don't let mutex->guard.started grow and wrap around. */ - InterlockedDecrement (&mutex->guard.started); - /* Let another thread finish initializing this mutex, and let it also - lock this mutex. */ - return EBUSY; - } - } - if (!TryEnterCriticalSection (&mutex->lock)) - return EBUSY; - return 0; -} - -int -glwthread_mutex_unlock (glwthread_mutex_t *mutex) -{ - if (!mutex->guard.done) - return EINVAL; - LeaveCriticalSection (&mutex->lock); - return 0; -} - -int -glwthread_mutex_destroy (glwthread_mutex_t *mutex) -{ - if (!mutex->guard.done) - return EINVAL; - DeleteCriticalSection (&mutex->lock); - mutex->guard.done = 0; - return 0; -} diff --git a/lib/windows-mutex.h b/lib/windows-mutex.h deleted file mode 100644 index 5364f92d0..000000000 --- a/lib/windows-mutex.h +++ /dev/null @@ -1,51 +0,0 @@ -/* Plain mutexes (native Windows implementation). - Copyright (C) 2005-2019 Free Software Foundation, Inc. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 3, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, see . */ - -/* Written by Bruno Haible , 2005. - Based on GCC's gthr-win32.h. */ - -#ifndef _WINDOWS_MUTEX_H -#define _WINDOWS_MUTEX_H - -#define WIN32_LEAN_AND_MEAN /* avoid including junk */ -#include - -#include "windows-initguard.h" - -typedef struct - { - glwthread_initguard_t guard; /* protects the initialization */ - CRITICAL_SECTION lock; - } - glwthread_mutex_t; - -#define GLWTHREAD_MUTEX_INIT { GLWTHREAD_INITGUARD_INIT } - -#ifdef __cplusplus -extern "C" { -#endif - -extern void glwthread_mutex_init (glwthread_mutex_t *mutex); -extern int glwthread_mutex_lock (glwthread_mutex_t *mutex); -extern int glwthread_mutex_trylock (glwthread_mutex_t *mutex); -extern int glwthread_mutex_unlock (glwthread_mutex_t *mutex); -extern int glwthread_mutex_destroy (glwthread_mutex_t *mutex); - -#ifdef __cplusplus -} -#endif - -#endif /* _WINDOWS_MUTEX_H */ diff --git a/lib/windows-once.c b/lib/windows-once.c deleted file mode 100644 index 455c50ef8..000000000 --- a/lib/windows-once.c +++ /dev/null @@ -1,62 +0,0 @@ -/* Once-only control (native Windows implementation). - Copyright (C) 2005-2019 Free Software Foundation, Inc. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 3, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, see . */ - -/* Written by Bruno Haible , 2005. - Based on GCC's gthr-win32.h. */ - -#include - -/* Specification. */ -#include "windows-once.h" - -#include - -void -glwthread_once (glwthread_once_t *once_control, void (*initfunction) (void)) -{ - if (once_control->inited <= 0) - { - if (InterlockedIncrement (&once_control->started) == 0) - { - /* This thread is the first one to come to this once_control. */ - InitializeCriticalSection (&once_control->lock); - EnterCriticalSection (&once_control->lock); - once_control->inited = 0; - initfunction (); - once_control->inited = 1; - LeaveCriticalSection (&once_control->lock); - } - else - { - /* Don't let once_control->started grow and wrap around. */ - InterlockedDecrement (&once_control->started); - /* Some other thread has already started the initialization. - Yield the CPU while waiting for the other thread to finish - initializing and taking the lock. */ - while (once_control->inited < 0) - Sleep (0); - if (once_control->inited <= 0) - { - /* Take the lock. This blocks until the other thread has - finished calling the initfunction. */ - EnterCriticalSection (&once_control->lock); - LeaveCriticalSection (&once_control->lock); - if (!(once_control->inited > 0)) - abort (); - } - } - } -} diff --git a/lib/windows-once.h b/lib/windows-once.h deleted file mode 100644 index 15999839b..000000000 --- a/lib/windows-once.h +++ /dev/null @@ -1,47 +0,0 @@ -/* Once-only control (native Windows implementation). - Copyright (C) 2005-2019 Free Software Foundation, Inc. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 3, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, see . */ - -/* Written by Bruno Haible , 2005. - Based on GCC's gthr-win32.h. */ - -#ifndef _WINDOWS_ONCE_H -#define _WINDOWS_ONCE_H - -#define WIN32_LEAN_AND_MEAN /* avoid including junk */ -#include - -typedef struct - { - volatile int inited; - volatile LONG started; - CRITICAL_SECTION lock; - } - glwthread_once_t; - -#define GLWTHREAD_ONCE_INIT { -1, -1 } - -#ifdef __cplusplus -extern "C" { -#endif - -extern void glwthread_once (glwthread_once_t *once_control, - void (*initfunction) (void)); - -#ifdef __cplusplus -} -#endif - -#endif /* _WINDOWS_ONCE_H */ diff --git a/lib/windows-recmutex.c b/lib/windows-recmutex.c deleted file mode 100644 index 7e6e44650..000000000 --- a/lib/windows-recmutex.c +++ /dev/null @@ -1,127 +0,0 @@ -/* Plain recursive mutexes (native Windows implementation). - Copyright (C) 2005-2019 Free Software Foundation, Inc. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 3, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, see . */ - -/* Written by Bruno Haible , 2005. - Based on GCC's gthr-win32.h. */ - -#include - -/* Specification. */ -#include "windows-recmutex.h" - -#include - -void -glwthread_recmutex_init (glwthread_recmutex_t *mutex) -{ - mutex->owner = 0; - mutex->depth = 0; - InitializeCriticalSection (&mutex->lock); - mutex->guard.done = 1; -} - -int -glwthread_recmutex_lock (glwthread_recmutex_t *mutex) -{ - if (!mutex->guard.done) - { - if (InterlockedIncrement (&mutex->guard.started) == 0) - /* This thread is the first one to need this mutex. Initialize it. */ - glwthread_recmutex_init (mutex); - else - { - /* Don't let mutex->guard.started grow and wrap around. */ - InterlockedDecrement (&mutex->guard.started); - /* Yield the CPU while waiting for another thread to finish - initializing this mutex. */ - while (!mutex->guard.done) - Sleep (0); - } - } - { - DWORD self = GetCurrentThreadId (); - if (mutex->owner != self) - { - EnterCriticalSection (&mutex->lock); - mutex->owner = self; - } - if (++(mutex->depth) == 0) /* wraparound? */ - { - mutex->depth--; - return EAGAIN; - } - } - return 0; -} - -int -glwthread_recmutex_trylock (glwthread_recmutex_t *mutex) -{ - if (!mutex->guard.done) - { - if (InterlockedIncrement (&mutex->guard.started) == 0) - /* This thread is the first one to need this mutex. Initialize it. */ - glwthread_recmutex_init (mutex); - else - { - /* Don't let mutex->guard.started grow and wrap around. */ - InterlockedDecrement (&mutex->guard.started); - /* Let another thread finish initializing this mutex, and let it also - lock this mutex. */ - return EBUSY; - } - } - { - DWORD self = GetCurrentThreadId (); - if (mutex->owner != self) - { - if (!TryEnterCriticalSection (&mutex->lock)) - return EBUSY; - mutex->owner = self; - } - if (++(mutex->depth) == 0) /* wraparound? */ - { - mutex->depth--; - return EAGAIN; - } - } - return 0; -} - -int -glwthread_recmutex_unlock (glwthread_recmutex_t *mutex) -{ - if (mutex->owner != GetCurrentThreadId ()) - return EPERM; - if (mutex->depth == 0) - return EINVAL; - if (--(mutex->depth) == 0) - { - mutex->owner = 0; - LeaveCriticalSection (&mutex->lock); - } - return 0; -} - -int -glwthread_recmutex_destroy (glwthread_recmutex_t *mutex) -{ - if (mutex->owner != 0) - return EBUSY; - DeleteCriticalSection (&mutex->lock); - mutex->guard.done = 0; - return 0; -} diff --git a/lib/windows-recmutex.h b/lib/windows-recmutex.h deleted file mode 100644 index d1431086f..000000000 --- a/lib/windows-recmutex.h +++ /dev/null @@ -1,57 +0,0 @@ -/* Plain recursive mutexes (native Windows implementation). - Copyright (C) 2005-2019 Free Software Foundation, Inc. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 3, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, see . */ - -/* Written by Bruno Haible , 2005. - Based on GCC's gthr-win32.h. */ - -#ifndef _WINDOWS_RECMUTEX_H -#define _WINDOWS_RECMUTEX_H - -#define WIN32_LEAN_AND_MEAN /* avoid including junk */ -#include - -#include "windows-initguard.h" - -/* The native Windows documentation says that CRITICAL_SECTION already - implements a recursive lock. But we need not rely on it: It's easy to - implement a recursive lock without this assumption. */ - -typedef struct - { - glwthread_initguard_t guard; /* protects the initialization */ - DWORD owner; - unsigned long depth; - CRITICAL_SECTION lock; - } - glwthread_recmutex_t; - -#define GLWTHREAD_RECMUTEX_INIT { GLWTHREAD_INITGUARD_INIT, 0, 0 } - -#ifdef __cplusplus -extern "C" { -#endif - -extern void glwthread_recmutex_init (glwthread_recmutex_t *mutex); -extern int glwthread_recmutex_lock (glwthread_recmutex_t *mutex); -extern int glwthread_recmutex_trylock (glwthread_recmutex_t *mutex); -extern int glwthread_recmutex_unlock (glwthread_recmutex_t *mutex); -extern int glwthread_recmutex_destroy (glwthread_recmutex_t *mutex); - -#ifdef __cplusplus -} -#endif - -#endif /* _WINDOWS_RECMUTEX_H */ diff --git a/lib/windows-rwlock.c b/lib/windows-rwlock.c deleted file mode 100644 index 9207d1b99..000000000 --- a/lib/windows-rwlock.c +++ /dev/null @@ -1,373 +0,0 @@ -/* Read-write locks (native Windows implementation). - Copyright (C) 2005-2019 Free Software Foundation, Inc. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 3, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, see . */ - -/* Written by Bruno Haible , 2005. - Based on GCC's gthr-win32.h. */ - -#include - -/* Specification. */ -#include "windows-rwlock.h" - -#include -#include - -/* In this file, the waitqueues are implemented as circular arrays. */ -#define glwthread_waitqueue_t glwthread_carray_waitqueue_t - -static void -glwthread_waitqueue_init (glwthread_waitqueue_t *wq) -{ - wq->array = NULL; - wq->count = 0; - wq->alloc = 0; - wq->offset = 0; -} - -/* Enqueues the current thread, represented by an event, in a wait queue. - Returns INVALID_HANDLE_VALUE if an allocation failure occurs. */ -static HANDLE -glwthread_waitqueue_add (glwthread_waitqueue_t *wq) -{ - HANDLE event; - unsigned int index; - - if (wq->count == wq->alloc) - { - unsigned int new_alloc = 2 * wq->alloc + 1; - HANDLE *new_array = - (HANDLE *) realloc (wq->array, new_alloc * sizeof (HANDLE)); - if (new_array == NULL) - /* No more memory. */ - return INVALID_HANDLE_VALUE; - /* Now is a good opportunity to rotate the array so that its contents - starts at offset 0. */ - if (wq->offset > 0) - { - unsigned int old_count = wq->count; - unsigned int old_alloc = wq->alloc; - unsigned int old_offset = wq->offset; - unsigned int i; - if (old_offset + old_count > old_alloc) - { - unsigned int limit = old_offset + old_count - old_alloc; - for (i = 0; i < limit; i++) - new_array[old_alloc + i] = new_array[i]; - } - for (i = 0; i < old_count; i++) - new_array[i] = new_array[old_offset + i]; - wq->offset = 0; - } - wq->array = new_array; - wq->alloc = new_alloc; - } - /* Whether the created event is a manual-reset one or an auto-reset one, - does not matter, since we will wait on it only once. */ - event = CreateEvent (NULL, TRUE, FALSE, NULL); - if (event == INVALID_HANDLE_VALUE) - /* No way to allocate an event. */ - return INVALID_HANDLE_VALUE; - index = wq->offset + wq->count; - if (index >= wq->alloc) - index -= wq->alloc; - wq->array[index] = event; - wq->count++; - return event; -} - -/* Notifies the first thread from a wait queue and dequeues it. */ -static void -glwthread_waitqueue_notify_first (glwthread_waitqueue_t *wq) -{ - SetEvent (wq->array[wq->offset + 0]); - wq->offset++; - wq->count--; - if (wq->count == 0 || wq->offset == wq->alloc) - wq->offset = 0; -} - -/* Notifies all threads from a wait queue and dequeues them all. */ -static void -glwthread_waitqueue_notify_all (glwthread_waitqueue_t *wq) -{ - unsigned int i; - - for (i = 0; i < wq->count; i++) - { - unsigned int index = wq->offset + i; - if (index >= wq->alloc) - index -= wq->alloc; - SetEvent (wq->array[index]); - } - wq->count = 0; - wq->offset = 0; -} - -void -glwthread_rwlock_init (glwthread_rwlock_t *lock) -{ - InitializeCriticalSection (&lock->lock); - glwthread_waitqueue_init (&lock->waiting_readers); - glwthread_waitqueue_init (&lock->waiting_writers); - lock->runcount = 0; - lock->guard.done = 1; -} - -int -glwthread_rwlock_rdlock (glwthread_rwlock_t *lock) -{ - if (!lock->guard.done) - { - if (InterlockedIncrement (&lock->guard.started) == 0) - /* This thread is the first one to need this lock. Initialize it. */ - glwthread_rwlock_init (lock); - else - { - /* Don't let lock->guard.started grow and wrap around. */ - InterlockedDecrement (&lock->guard.started); - /* Yield the CPU while waiting for another thread to finish - initializing this lock. */ - while (!lock->guard.done) - Sleep (0); - } - } - EnterCriticalSection (&lock->lock); - /* Test whether only readers are currently running, and whether the runcount - field will not overflow, and whether no writer is waiting. The latter - condition is because POSIX recommends that "write locks shall take - precedence over read locks", to avoid "writer starvation". */ - if (!(lock->runcount + 1 > 0 && lock->waiting_writers.count == 0)) - { - /* This thread has to wait for a while. Enqueue it among the - waiting_readers. */ - HANDLE event = glwthread_waitqueue_add (&lock->waiting_readers); - if (event != INVALID_HANDLE_VALUE) - { - DWORD result; - LeaveCriticalSection (&lock->lock); - /* Wait until another thread signals this event. */ - result = WaitForSingleObject (event, INFINITE); - if (result == WAIT_FAILED || result == WAIT_TIMEOUT) - abort (); - CloseHandle (event); - /* The thread which signalled the event already did the bookkeeping: - removed us from the waiting_readers, incremented lock->runcount. */ - if (!(lock->runcount > 0)) - abort (); - return 0; - } - else - { - /* Allocation failure. Weird. */ - do - { - LeaveCriticalSection (&lock->lock); - Sleep (1); - EnterCriticalSection (&lock->lock); - } - while (!(lock->runcount + 1 > 0)); - } - } - lock->runcount++; - LeaveCriticalSection (&lock->lock); - return 0; -} - -int -glwthread_rwlock_wrlock (glwthread_rwlock_t *lock) -{ - if (!lock->guard.done) - { - if (InterlockedIncrement (&lock->guard.started) == 0) - /* This thread is the first one to need this lock. Initialize it. */ - glwthread_rwlock_init (lock); - else - { - /* Don't let lock->guard.started grow and wrap around. */ - InterlockedDecrement (&lock->guard.started); - /* Yield the CPU while waiting for another thread to finish - initializing this lock. */ - while (!lock->guard.done) - Sleep (0); - } - } - EnterCriticalSection (&lock->lock); - /* Test whether no readers or writers are currently running. */ - if (!(lock->runcount == 0)) - { - /* This thread has to wait for a while. Enqueue it among the - waiting_writers. */ - HANDLE event = glwthread_waitqueue_add (&lock->waiting_writers); - if (event != INVALID_HANDLE_VALUE) - { - DWORD result; - LeaveCriticalSection (&lock->lock); - /* Wait until another thread signals this event. */ - result = WaitForSingleObject (event, INFINITE); - if (result == WAIT_FAILED || result == WAIT_TIMEOUT) - abort (); - CloseHandle (event); - /* The thread which signalled the event already did the bookkeeping: - removed us from the waiting_writers, set lock->runcount = -1. */ - if (!(lock->runcount == -1)) - abort (); - return 0; - } - else - { - /* Allocation failure. Weird. */ - do - { - LeaveCriticalSection (&lock->lock); - Sleep (1); - EnterCriticalSection (&lock->lock); - } - while (!(lock->runcount == 0)); - } - } - lock->runcount--; /* runcount becomes -1 */ - LeaveCriticalSection (&lock->lock); - return 0; -} - -int -glwthread_rwlock_tryrdlock (glwthread_rwlock_t *lock) -{ - if (!lock->guard.done) - { - if (InterlockedIncrement (&lock->guard.started) == 0) - /* This thread is the first one to need this lock. Initialize it. */ - glwthread_rwlock_init (lock); - else - { - /* Don't let lock->guard.started grow and wrap around. */ - InterlockedDecrement (&lock->guard.started); - /* Yield the CPU while waiting for another thread to finish - initializing this lock. */ - while (!lock->guard.done) - Sleep (0); - } - } - /* It's OK to wait for this critical section, because it is never taken for a - long time. */ - EnterCriticalSection (&lock->lock); - /* Test whether only readers are currently running, and whether the runcount - field will not overflow, and whether no writer is waiting. The latter - condition is because POSIX recommends that "write locks shall take - precedence over read locks", to avoid "writer starvation". */ - if (!(lock->runcount + 1 > 0 && lock->waiting_writers.count == 0)) - { - /* This thread would have to wait for a while. Return instead. */ - LeaveCriticalSection (&lock->lock); - return EBUSY; - } - lock->runcount++; - LeaveCriticalSection (&lock->lock); - return 0; -} - -int -glwthread_rwlock_trywrlock (glwthread_rwlock_t *lock) -{ - if (!lock->guard.done) - { - if (InterlockedIncrement (&lock->guard.started) == 0) - /* This thread is the first one to need this lock. Initialize it. */ - glwthread_rwlock_init (lock); - else - { - /* Don't let lock->guard.started grow and wrap around. */ - InterlockedDecrement (&lock->guard.started); - /* Yield the CPU while waiting for another thread to finish - initializing this lock. */ - while (!lock->guard.done) - Sleep (0); - } - } - /* It's OK to wait for this critical section, because it is never taken for a - long time. */ - EnterCriticalSection (&lock->lock); - /* Test whether no readers or writers are currently running. */ - if (!(lock->runcount == 0)) - { - /* This thread would have to wait for a while. Return instead. */ - LeaveCriticalSection (&lock->lock); - return EBUSY; - } - lock->runcount--; /* runcount becomes -1 */ - LeaveCriticalSection (&lock->lock); - return 0; -} - -int -glwthread_rwlock_unlock (glwthread_rwlock_t *lock) -{ - if (!lock->guard.done) - return EINVAL; - EnterCriticalSection (&lock->lock); - if (lock->runcount < 0) - { - /* Drop a writer lock. */ - if (!(lock->runcount == -1)) - abort (); - lock->runcount = 0; - } - else - { - /* Drop a reader lock. */ - if (!(lock->runcount > 0)) - { - LeaveCriticalSection (&lock->lock); - return EPERM; - } - lock->runcount--; - } - if (lock->runcount == 0) - { - /* POSIX recommends that "write locks shall take precedence over read - locks", to avoid "writer starvation". */ - if (lock->waiting_writers.count > 0) - { - /* Wake up one of the waiting writers. */ - lock->runcount--; - glwthread_waitqueue_notify_first (&lock->waiting_writers); - } - else - { - /* Wake up all waiting readers. */ - lock->runcount += lock->waiting_readers.count; - glwthread_waitqueue_notify_all (&lock->waiting_readers); - } - } - LeaveCriticalSection (&lock->lock); - return 0; -} - -int -glwthread_rwlock_destroy (glwthread_rwlock_t *lock) -{ - if (!lock->guard.done) - return EINVAL; - if (lock->runcount != 0) - return EBUSY; - DeleteCriticalSection (&lock->lock); - if (lock->waiting_readers.array != NULL) - free (lock->waiting_readers.array); - if (lock->waiting_writers.array != NULL) - free (lock->waiting_writers.array); - lock->guard.done = 0; - return 0; -} diff --git a/lib/windows-rwlock.h b/lib/windows-rwlock.h deleted file mode 100644 index 90020406a..000000000 --- a/lib/windows-rwlock.h +++ /dev/null @@ -1,68 +0,0 @@ -/* Read-write locks (native Windows implementation). - Copyright (C) 2005-2019 Free Software Foundation, Inc. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 3, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, see . */ - -/* Written by Bruno Haible , 2005. - Based on GCC's gthr-win32.h. */ - -#ifndef _WINDOWS_RWLOCK_H -#define _WINDOWS_RWLOCK_H - -#define WIN32_LEAN_AND_MEAN /* avoid including junk */ -#include - -#include "windows-initguard.h" - -/* It is impossible to implement read-write locks using plain locks, without - introducing an extra thread dedicated to managing read-write locks. - Therefore here we need to use the low-level Event type. */ - -typedef struct - { - HANDLE *array; /* array of waiting threads, each represented by an event */ - unsigned int count; /* number of waiting threads */ - unsigned int alloc; /* length of allocated array */ - unsigned int offset; /* index of first waiting thread in array */ - } - glwthread_carray_waitqueue_t; -typedef struct - { - glwthread_initguard_t guard; /* protects the initialization */ - CRITICAL_SECTION lock; /* protects the remaining fields */ - glwthread_carray_waitqueue_t waiting_readers; /* waiting readers */ - glwthread_carray_waitqueue_t waiting_writers; /* waiting writers */ - int runcount; /* number of readers running, or -1 when a writer runs */ - } - glwthread_rwlock_t; - -#define GLWTHREAD_RWLOCK_INIT { GLWTHREAD_INITGUARD_INIT } - -#ifdef __cplusplus -extern "C" { -#endif - -extern void glwthread_rwlock_init (glwthread_rwlock_t *lock); -extern int glwthread_rwlock_rdlock (glwthread_rwlock_t *lock); -extern int glwthread_rwlock_wrlock (glwthread_rwlock_t *lock); -extern int glwthread_rwlock_tryrdlock (glwthread_rwlock_t *lock); -extern int glwthread_rwlock_trywrlock (glwthread_rwlock_t *lock); -extern int glwthread_rwlock_unlock (glwthread_rwlock_t *lock); -extern int glwthread_rwlock_destroy (glwthread_rwlock_t *lock); - -#ifdef __cplusplus -} -#endif - -#endif /* _WINDOWS_RWLOCK_H */ diff --git a/lib/xalloc-die.c b/lib/xalloc-die.c index 295f8d8e7..68559deeb 100644 --- a/lib/xalloc-die.c +++ b/lib/xalloc-die.c @@ -1,6 +1,6 @@ /* Report a memory allocation failure and exit. - Copyright (C) 1997-2000, 2002-2004, 2006, 2009-2019 Free Software + Copyright (C) 1997-2000, 2002-2004, 2006, 2009-2020 Free Software Foundation, Inc. This program is free software: you can redistribute it and/or modify diff --git a/lib/xalloc-oversized.h b/lib/xalloc-oversized.h index e3068c83c..13ee23031 100644 --- a/lib/xalloc-oversized.h +++ b/lib/xalloc-oversized.h @@ -1,6 +1,6 @@ /* xalloc-oversized.h -- memory allocation size checking - Copyright (C) 1990-2000, 2003-2004, 2006-2019 Free Software Foundation, Inc. + Copyright (C) 1990-2000, 2003-2004, 2006-2020 Free Software Foundation, Inc. This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by diff --git a/lib/xalloc.h b/lib/xalloc.h index fc7e86bd8..19c64acb4 100644 --- a/lib/xalloc.h +++ b/lib/xalloc.h @@ -1,6 +1,6 @@ /* xalloc.h -- malloc with out-of-memory checking - Copyright (C) 1990-2000, 2003-2004, 2006-2019 Free Software Foundation, Inc. + Copyright (C) 1990-2000, 2003-2004, 2006-2020 Free Software Foundation, Inc. This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -48,7 +48,7 @@ extern "C" { or by using gnulib's xalloc-die module. This is the function to call when one wants the program to die because of a memory allocation failure. */ -extern _Noreturn void xalloc_die (void); +/*extern*/ _Noreturn void xalloc_die (void); void *xmalloc (size_t s) _GL_ATTRIBUTE_MALLOC _GL_ATTRIBUTE_ALLOC_SIZE ((1)); diff --git a/lib/xmalloc.c b/lib/xmalloc.c index cbe9a4f56..486873602 100644 --- a/lib/xmalloc.c +++ b/lib/xmalloc.c @@ -1,6 +1,6 @@ /* xmalloc.c -- malloc with out of memory checking - Copyright (C) 1990-2000, 2002-2006, 2008-2019 Free Software Foundation, Inc. + Copyright (C) 1990-2000, 2002-2006, 2008-2020 Free Software Foundation, Inc. This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -76,14 +76,14 @@ x2realloc (void *p, size_t *pn) return x2nrealloc (p, pn, 1); } -/* Allocate S bytes of zeroed memory dynamically, with error checking. +/* Allocate N bytes of zeroed memory dynamically, with error checking. There's no need for xnzalloc (N, S), since it would be equivalent to xcalloc (N, S). */ void * -xzalloc (size_t s) +xzalloc (size_t n) { - return memset (xmalloc (s), 0, s); + return xcalloc (n, 1); } /* Allocate zeroed memory for N elements of S bytes, with error diff --git a/lib/xsize.h b/lib/xsize.h index ecfd478dc..45d416617 100644 --- a/lib/xsize.h +++ b/lib/xsize.h @@ -1,6 +1,6 @@ /* xsize.h -- Checked size_t computations. - Copyright (C) 2003, 2008-2019 Free Software Foundation, Inc. + Copyright (C) 2003, 2008-2020 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by diff --git a/m4/00gnulib.m4 b/m4/00gnulib.m4 index e3e0fb6da..06eff4f38 100644 --- a/m4/00gnulib.m4 +++ b/m4/00gnulib.m4 @@ -1,13 +1,14 @@ -# 00gnulib.m4 serial 3 -dnl Copyright (C) 2009-2019 Free Software Foundation, Inc. +# 00gnulib.m4 serial 7 +dnl Copyright (C) 2009-2020 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. dnl This file must be named something that sorts before all other -dnl gnulib-provided .m4 files. It is needed until such time as we can -dnl assume Autoconf 2.64, with its improved AC_DEFUN_ONCE and -dnl m4_divert semantics. +dnl gnulib-provided .m4 files. The first part is needed until such time +dnl as we can assume Autoconf 2.64, with its improved AC_DEFUN_ONCE and +dnl m4_divert semantics. The second part is needed until the clang fix +dnl has been included in Autoconf. # Until autoconf 2.63, handling of the diversion stack required m4_init # to be called first; but this does not happen with aclocal. Wrapping @@ -39,6 +40,76 @@ m4_version_prereq([2.63.263], [], [m4_indir([_gl_DEFUN_ONCE([$1])])])])]dnl [AC][_DEFUN([_gl_DEFUN_ONCE([$1])], [$2])])]) +# The following definitions arrange to use a compiler option +# -Werror=implicit-function-declaration in AC_CHECK_DECL, when the +# compiler is clang. Without it, clang implicitly declares "known" +# library functions in C mode, but not in C++ mode, which would cause +# Gnulib to omit a declaration and thus later produce an error in C++ +# mode. As of clang 9.0, these "known" functions are identified through +# LIBBUILTIN invocations in the LLVM source file +# llvm/tools/clang/include/clang/Basic/Builtins.def. +# It's not possible to AC_REQUIRE the extra tests from AC_CHECK_DECL, +# because AC_CHECK_DECL, like other Autoconf built-ins, is not supposed +# to AC_REQUIRE anything: some configure.ac files have their first +# AC_CHECK_DECL executed conditionally. Therefore append the extra tests +# to AC_PROG_CC. +AC_DEFUN([gl_COMPILER_CLANG], +[ +dnl AC_REQUIRE([AC_PROG_CC]) + AC_CACHE_CHECK([whether the compiler is clang], + [gl_cv_compiler_clang], + [dnl Use _AC_COMPILE_IFELSE instead of AC_EGREP_CPP, to avoid error + dnl "circular dependency of AC_LANG_COMPILER(C)" if AC_PROG_CC has + dnl not yet been invoked. + _AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM([[ + #ifdef __clang__ + barfbarf + #endif + ]],[[]]) + ], + [gl_cv_compiler_clang=no], + [gl_cv_compiler_clang=yes]) + ]) +]) +AC_DEFUN([gl_COMPILER_PREPARE_CHECK_DECL], +[ +dnl AC_REQUIRE([AC_PROG_CC]) +dnl AC_REQUIRE([gl_COMPILER_CLANG]) + AC_CACHE_CHECK([for compiler option needed when checking for declarations], + [gl_cv_compiler_check_decl_option], + [if test $gl_cv_compiler_clang = yes; then + dnl Test whether the compiler supports the option + dnl '-Werror=implicit-function-declaration'. + save_ac_compile="$ac_compile" + ac_compile="$ac_compile -Werror=implicit-function-declaration" + dnl Use _AC_COMPILE_IFELSE instead of AC_COMPILE_IFELSE, to avoid a + dnl warning "AC_COMPILE_IFELSE was called before AC_USE_SYSTEM_EXTENSIONS". + _AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]],[[]])], + [gl_cv_compiler_check_decl_option='-Werror=implicit-function-declaration'], + [gl_cv_compiler_check_decl_option=none]) + ac_compile="$save_ac_compile" + else + gl_cv_compiler_check_decl_option=none + fi + ]) + if test "x$gl_cv_compiler_check_decl_option" != xnone; then + ac_compile_for_check_decl="$ac_compile $gl_cv_compiler_check_decl_option" + else + ac_compile_for_check_decl="$ac_compile" + fi +]) +dnl Redefine _AC_CHECK_DECL_BODY so that it references ac_compile_for_check_decl +dnl instead of ac_compile. If, for whatever reason, the override of AC_PROG_CC +dnl in zzgnulib.m4 is inactive, use the original ac_compile. +m4_define([_AC_CHECK_DECL_BODY], +[ ac_save_ac_compile="$ac_compile" + if test -n "$ac_compile_for_check_decl"; then + ac_compile="$ac_compile_for_check_decl" + fi] +m4_defn([_AC_CHECK_DECL_BODY])[ ac_compile="$ac_save_ac_compile" +]) + # gl_00GNULIB # ----------- # Witness macro that this file has been included. Needed to force diff --git a/m4/__inline.m4 b/m4/__inline.m4 index e1aa310c9..520c8c4b2 100644 --- a/m4/__inline.m4 +++ b/m4/__inline.m4 @@ -1,5 +1,5 @@ # Test for __inline keyword -dnl Copyright 2017-2019 Free Software Foundation, Inc. +dnl Copyright 2017-2020 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. diff --git a/m4/absolute-header.m4 b/m4/absolute-header.m4 index a8f2cba17..39726ba57 100644 --- a/m4/absolute-header.m4 +++ b/m4/absolute-header.m4 @@ -1,5 +1,5 @@ # absolute-header.m4 serial 16 -dnl Copyright (C) 2006-2019 Free Software Foundation, Inc. +dnl Copyright (C) 2006-2020 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. diff --git a/m4/alloca.m4 b/m4/alloca.m4 index 29bd289b0..59225245b 100644 --- a/m4/alloca.m4 +++ b/m4/alloca.m4 @@ -1,5 +1,5 @@ # alloca.m4 serial 15 -dnl Copyright (C) 2002-2004, 2006-2007, 2009-2019 Free Software Foundation, +dnl Copyright (C) 2002-2004, 2006-2007, 2009-2020 Free Software Foundation, dnl Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, diff --git a/m4/argp.m4 b/m4/argp.m4 index 8b2e2d854..bfe202400 100644 --- a/m4/argp.m4 +++ b/m4/argp.m4 @@ -1,5 +1,5 @@ # argp.m4 serial 15 -dnl Copyright (C) 2003-2019 Free Software Foundation, Inc. +dnl Copyright (C) 2003-2020 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. diff --git a/m4/codeset.m4 b/m4/codeset.m4 index 280f556fe..9b019cfff 100644 --- a/m4/codeset.m4 +++ b/m4/codeset.m4 @@ -1,5 +1,5 @@ # codeset.m4 serial 5 (gettext-0.18.2) -dnl Copyright (C) 2000-2002, 2006, 2008-2014, 2016, 2019 Free Software +dnl Copyright (C) 2000-2002, 2006, 2008-2014, 2016, 2019-2020 Free Software dnl Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, diff --git a/m4/dirname.m4 b/m4/dirname.m4 index 32141ae6f..9995ff3c4 100644 --- a/m4/dirname.m4 +++ b/m4/dirname.m4 @@ -1,5 +1,5 @@ #serial 10 -*- autoconf -*- -dnl Copyright (C) 2002-2006, 2009-2019 Free Software Foundation, Inc. +dnl Copyright (C) 2002-2006, 2009-2020 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. diff --git a/m4/double-slash-root.m4 b/m4/double-slash-root.m4 index 0c5afb171..c463ac41a 100644 --- a/m4/double-slash-root.m4 +++ b/m4/double-slash-root.m4 @@ -1,5 +1,5 @@ # double-slash-root.m4 serial 4 -*- Autoconf -*- -dnl Copyright (C) 2006, 2008-2019 Free Software Foundation, Inc. +dnl Copyright (C) 2006, 2008-2020 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. diff --git a/m4/eealloc.m4 b/m4/eealloc.m4 index 2a4b120a1..236f373c5 100644 --- a/m4/eealloc.m4 +++ b/m4/eealloc.m4 @@ -1,5 +1,5 @@ # eealloc.m4 serial 3 -dnl Copyright (C) 2003, 2009-2019 Free Software Foundation, Inc. +dnl Copyright (C) 2003, 2009-2020 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. diff --git a/m4/errno_h.m4 b/m4/errno_h.m4 index 2388854e0..dd4994f3d 100644 --- a/m4/errno_h.m4 +++ b/m4/errno_h.m4 @@ -1,5 +1,5 @@ # errno_h.m4 serial 13 -dnl Copyright (C) 2004, 2006, 2008-2019 Free Software Foundation, Inc. +dnl Copyright (C) 2004, 2006, 2008-2020 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. diff --git a/m4/error.m4 b/m4/error.m4 index 393adb54c..60c229d5a 100644 --- a/m4/error.m4 +++ b/m4/error.m4 @@ -1,6 +1,6 @@ #serial 14 -# Copyright (C) 1996-1998, 2001-2004, 2009-2019 Free Software Foundation, Inc. +# Copyright (C) 1996-1998, 2001-2004, 2009-2020 Free Software Foundation, Inc. # # This file is free software; the Free Software Foundation # gives unlimited permission to copy and/or distribute it, diff --git a/m4/exponentd.m4 b/m4/exponentd.m4 index 90870dfa4..cca879782 100644 --- a/m4/exponentd.m4 +++ b/m4/exponentd.m4 @@ -1,5 +1,5 @@ # exponentd.m4 serial 3 -dnl Copyright (C) 2007-2008, 2010-2019 Free Software Foundation, Inc. +dnl Copyright (C) 2007-2008, 2010-2020 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. diff --git a/m4/extensions.m4 b/m4/extensions.m4 index fd1ce817f..d7c95effd 100644 --- a/m4/extensions.m4 +++ b/m4/extensions.m4 @@ -1,7 +1,7 @@ # serial 18 -*- Autoconf -*- # Enable extensions on systems that normally disable them. -# Copyright (C) 2003, 2006-2019 Free Software Foundation, Inc. +# Copyright (C) 2003, 2006-2020 Free Software Foundation, Inc. # This file is free software; the Free Software Foundation # gives unlimited permission to copy and/or distribute it, # with or without modifications, as long as this notice is preserved. diff --git a/m4/extern-inline.m4 b/m4/extern-inline.m4 index ec9f2218b..75c50087b 100644 --- a/m4/extern-inline.m4 +++ b/m4/extern-inline.m4 @@ -1,6 +1,6 @@ dnl 'extern inline' a la ISO C99. -dnl Copyright 2012-2019 Free Software Foundation, Inc. +dnl Copyright 2012-2020 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. @@ -32,7 +32,7 @@ AC_DEFUN([gl_EXTERN_INLINE], https://lists.gnu.org/r/bug-gnulib/2012-12/msg00023.html DragonFly; see - http://muscles.dragonflybsd.org/bulk/bleeding-edge-potential/latest-per-pkg/ah-tty-0.3.12.log + http://muscles.dragonflybsd.org/bulk/clang-master-potential/20141111_102002/logs/ah-tty-0.3.12.log FreeBSD; see: https://lists.gnu.org/r/bug-gnulib/2014-07/msg00104.html diff --git a/m4/fcntl-o.m4 b/m4/fcntl-o.m4 index 6ab3387da..747b86575 100644 --- a/m4/fcntl-o.m4 +++ b/m4/fcntl-o.m4 @@ -1,5 +1,5 @@ # fcntl-o.m4 serial 6 -dnl Copyright (C) 2006, 2009-2019 Free Software Foundation, Inc. +dnl Copyright (C) 2006, 2009-2020 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. diff --git a/m4/fcntl_h.m4 b/m4/fcntl_h.m4 index a86fdae5f..6b253937f 100644 --- a/m4/fcntl_h.m4 +++ b/m4/fcntl_h.m4 @@ -1,6 +1,6 @@ -# serial 15 +# serial 16 # Configure fcntl.h. -dnl Copyright (C) 2006-2007, 2009-2019 Free Software Foundation, Inc. +dnl Copyright (C) 2006-2007, 2009-2020 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. @@ -37,6 +37,7 @@ AC_DEFUN([gl_FCNTL_MODULE_INDICATOR], AC_DEFUN([gl_FCNTL_H_DEFAULTS], [ + GNULIB_CREAT=0; AC_SUBST([GNULIB_CREAT]) GNULIB_FCNTL=0; AC_SUBST([GNULIB_FCNTL]) GNULIB_NONBLOCKING=0; AC_SUBST([GNULIB_NONBLOCKING]) GNULIB_OPEN=0; AC_SUBST([GNULIB_OPEN]) @@ -44,6 +45,7 @@ AC_DEFUN([gl_FCNTL_H_DEFAULTS], dnl Assume proper GNU behavior unless another module says otherwise. HAVE_FCNTL=1; AC_SUBST([HAVE_FCNTL]) HAVE_OPENAT=1; AC_SUBST([HAVE_OPENAT]) + REPLACE_CREAT=0; AC_SUBST([REPLACE_CREAT]) REPLACE_FCNTL=0; AC_SUBST([REPLACE_FCNTL]) REPLACE_OPEN=0; AC_SUBST([REPLACE_OPEN]) REPLACE_OPENAT=0; AC_SUBST([REPLACE_OPENAT]) diff --git a/m4/float_h.m4 b/m4/float_h.m4 index 1cd28a0bd..3ef0bb7b9 100644 --- a/m4/float_h.m4 +++ b/m4/float_h.m4 @@ -1,5 +1,5 @@ # float_h.m4 serial 12 -dnl Copyright (C) 2007, 2009-2019 Free Software Foundation, Inc. +dnl Copyright (C) 2007, 2009-2020 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. diff --git a/m4/fpending.m4 b/m4/fpending.m4 index 402ec4033..ea9725e48 100644 --- a/m4/fpending.m4 +++ b/m4/fpending.m4 @@ -1,6 +1,6 @@ # serial 22 -# Copyright (C) 2000-2001, 2004-2019 Free Software Foundation, Inc. +# Copyright (C) 2000-2001, 2004-2020 Free Software Foundation, Inc. # This file is free software; the Free Software Foundation # gives unlimited permission to copy and/or distribute it, # with or without modifications, as long as this notice is preserved. diff --git a/m4/getopt.m4 b/m4/getopt.m4 index 5991bf83e..595483d58 100644 --- a/m4/getopt.m4 +++ b/m4/getopt.m4 @@ -1,5 +1,5 @@ -# getopt.m4 serial 46 -dnl Copyright (C) 2002-2006, 2008-2019 Free Software Foundation, Inc. +# getopt.m4 serial 47 +dnl Copyright (C) 2002-2006, 2008-2020 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. @@ -302,8 +302,10 @@ dnl is ambiguous with environment values that contain newlines. ]])], [gl_cv_func_getopt_gnu=yes], [gl_cv_func_getopt_gnu=no], - [dnl Cross compiling. Assume the worst, even on glibc platforms. - gl_cv_func_getopt_gnu="guessing no" + [dnl Cross compiling. + dnl Assume the worst, even on glibc platforms. + dnl But obey --enable-cross-guesses. + gl_cv_func_getopt_gnu="$gl_cross_guess_normal" ]) case $gl_had_POSIXLY_CORRECT in exported) ;; diff --git a/m4/getprogname.m4 b/m4/getprogname.m4 index 4a96d066a..6baefc91c 100644 --- a/m4/getprogname.m4 +++ b/m4/getprogname.m4 @@ -1,6 +1,6 @@ # getprogname.m4 - check for getprogname or replacements for it -# Copyright (C) 2016-2019 Free Software Foundation, Inc. +# Copyright (C) 2016-2020 Free Software Foundation, Inc. # This file is free software; the Free Software Foundation # gives unlimited permission to copy and/or distribute it, # with or without modifications, as long as this notice is preserved. diff --git a/m4/gettimeofday.m4 b/m4/gettimeofday.m4 index 5e2ef6f47..c72b3eacc 100644 --- a/m4/gettimeofday.m4 +++ b/m4/gettimeofday.m4 @@ -1,6 +1,6 @@ -# serial 26 +# serial 27 -# Copyright (C) 2001-2003, 2005, 2007, 2009-2019 Free Software Foundation, Inc. +# Copyright (C) 2001-2003, 2005, 2007, 2009-2020 Free Software Foundation, Inc. # This file is free software; the Free Software Foundation # gives unlimited permission to copy and/or distribute it, # with or without modifications, as long as this notice is preserved. @@ -109,8 +109,8 @@ AC_DEFUN([gl_FUNC_GETTIMEOFDAY_CLOBBER], *-musl*) gl_cv_func_gettimeofday_clobber="guessing no" ;; # Guess no on native Windows. mingw*) gl_cv_func_gettimeofday_clobber="guessing no" ;; - # If we don't know, assume the worst. - *) gl_cv_func_gettimeofday_clobber="guessing yes" ;; + # If we don't know, obey --enable-cross-guesses. + *) gl_cv_func_gettimeofday_clobber="$gl_cross_guess_inverted" ;; esac ])]) diff --git a/m4/gnulib-cache.m4 b/m4/gnulib-cache.m4 index 0db422193..ad3802b82 100644 --- a/m4/gnulib-cache.m4 +++ b/m4/gnulib-cache.m4 @@ -1,4 +1,4 @@ -# Copyright (C) 2002-2019 Free Software Foundation, Inc. +# Copyright (C) 2002-2020 Free Software Foundation, Inc. # # This file is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by diff --git a/m4/gnulib-common.m4 b/m4/gnulib-common.m4 index 57b94ed53..b4795c18a 100644 --- a/m4/gnulib-common.m4 +++ b/m4/gnulib-common.m4 @@ -1,5 +1,5 @@ -# gnulib-common.m4 serial 44 -dnl Copyright (C) 2007-2019 Free Software Foundation, Inc. +# gnulib-common.m4 serial 48 +dnl Copyright (C) 2007-2020 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. @@ -12,6 +12,7 @@ AC_DEFUN([gl_COMMON], [ dnl Use AC_REQUIRE here, so that the code is expanded once only. AC_REQUIRE([gl_00GNULIB]) AC_REQUIRE([gl_COMMON_BODY]) + AC_REQUIRE([gl_ZZGNULIB]) ]) AC_DEFUN([gl_COMMON_BODY], [ AH_VERBATIM([_Noreturn], @@ -19,11 +20,21 @@ AC_DEFUN([gl_COMMON_BODY], [ #ifndef _Noreturn # if (defined __cplusplus \ && ((201103 <= __cplusplus && !(__GNUC__ == 4 && __GNUC_MINOR__ == 7)) \ - || (defined _MSC_VER && 1900 <= _MSC_VER))) + || (defined _MSC_VER && 1900 <= _MSC_VER)) \ + && 0) + /* [[noreturn]] is not practically usable, because with it the syntax + extern _Noreturn void func (...); + would not be valid; such a declaration would only be valid with 'extern' + and '_Noreturn' swapped, or without the 'extern' keyword. However, some + AIX system header files and several gnulib header files use precisely + this syntax with 'extern'. */ # define _Noreturn [[noreturn]] # elif ((!defined __cplusplus || defined __clang__) \ && (201112 <= (defined __STDC_VERSION__ ? __STDC_VERSION__ : 0) \ - || 4 < __GNUC__ + (7 <= __GNUC_MINOR__))) + || 4 < __GNUC__ + (7 <= __GNUC_MINOR__) \ + || (defined __apple_build_version__ \ + ? 6000000 <= __apple_build_version__ \ + : 3 < __clang_major__ + (5 <= __clang_minor__)))) /* _Noreturn works as-is. */ # elif 2 < __GNUC__ + (8 <= __GNUC_MINOR__) || 0x5110 <= __SUNPRO_C # define _Noreturn __attribute__ ((__noreturn__)) @@ -94,7 +105,7 @@ AC_DEFUN([gl_COMMON_BODY], [ invoked from such signal handlers. Such functions have some restrictions: * All functions that it calls should be marked _GL_ASYNC_SAFE as well, or should be listed as async-signal-safe in POSIX - + section 2.4.3. Note that malloc(), sprintf(), and fwrite(), in particular, are NOT async-signal-safe. * All memory locations (variables and struct fields) that these functions @@ -115,6 +126,33 @@ AC_DEFUN([gl_COMMON_BODY], [ errno. */ #define _GL_ASYNC_SAFE ]) + dnl Hint which direction to take regarding cross-compilation guesses: + dnl When a user installs a program on a platform they are not intimately + dnl familiar with, --enable-cross-guesses=conservative is the appropriate + dnl choice. It implements the "If we don't know, assume the worst" principle. + dnl However, when an operating system developer (on a platform which is not + dnl yet known to gnulib) builds packages for their platform, they want to + dnl expose, not hide, possible platform bugs; in this case, + dnl --enable-cross-guesses=risky is the appropriate choice. + dnl Sets the variables + dnl gl_cross_guess_normal (to be used when 'yes' is good and 'no' is bad), + dnl gl_cross_guess_inverted (to be used when 'no' is good and 'yes' is bad). + AC_ARG_ENABLE([cross-guesses], + [AS_HELP_STRING([--enable-cross-guesses={conservative|risky}], + [specify policy for cross-compilation guesses])], + [if test "x$enableval" != xconservative && test "x$enableval" != xrisky; then + AC_MSG_WARN([invalid argument supplied to --enable-cross-guesses]) + enableval=conservative + fi + gl_cross_guesses="$enableval"], + [gl_cross_guesses=conservative]) + if test $gl_cross_guesses = risky; then + gl_cross_guess_normal="guessing yes" + gl_cross_guess_inverted="guessing no" + else + gl_cross_guess_normal="guessing no" + gl_cross_guess_inverted="guessing yes" + fi dnl Preparation for running test programs: dnl Tell glibc to write diagnostics from -D_FORTIFY_SOURCE=2 to stderr, not dnl to /dev/tty, so they can be redirected to log files. Such diagnostics @@ -381,12 +419,13 @@ AC_DEFUN([AC_C_RESTRICT], nothing if this is not supported. Do not define if restrict is supported directly. */ #undef restrict -/* Work around a bug in Sun C++: it does not support _Restrict or - __restrict__, even though the corresponding Sun C compiler ends up with - "#define restrict _Restrict" or "#define restrict __restrict__" in the - previous line. Perhaps some future version of Sun C++ will work with - restrict; if so, hopefully it defines __RESTRICT like Sun C does. */ -#if defined __SUNPRO_CC && !defined __RESTRICT +/* Work around a bug in older versions of Sun C++, which did not + #define __restrict__ or support _Restrict or __restrict__ + even though the corresponding Sun C compiler ended up with + "#define restrict _Restrict" or "#define restrict __restrict__" + in the previous line. This workaround can be removed once + we assume Oracle Developer Studio 12.5 (2016) or later. */ +#if defined __SUNPRO_CC && !defined __RESTRICT && !defined __restrict__ # define _Restrict # define __restrict__ #endif]) diff --git a/m4/gnulib-comp.m4 b/m4/gnulib-comp.m4 index 7a191d323..54215ad69 100644 --- a/m4/gnulib-comp.m4 +++ b/m4/gnulib-comp.m4 @@ -1,5 +1,5 @@ # DO NOT EDIT! GENERATED AUTOMATICALLY! -# Copyright (C) 2002-2019 Free Software Foundation, Inc. +# Copyright (C) 2002-2020 Free Software Foundation, Inc. # # This file is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by @@ -42,7 +42,6 @@ AC_DEFUN([gl_EARLY], AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS]) AC_REQUIRE([gl_PROG_AR_RANLIB]) - AC_REQUIRE([AM_PROG_CC_C_O]) # Code from module absolute-header: # Code from module alloca: # Code from module alloca-opt: @@ -55,7 +54,6 @@ AC_DEFUN([gl_EARLY], # Code from module close-stream: # Code from module closeout: # Code from module dirname-lgpl: - # Code from module dosname: # Code from module double-slash-root: # Code from module errno: # Code from module error: @@ -72,17 +70,17 @@ AC_DEFUN([gl_EARLY], # Code from module gettext-h: # Code from module gettimeofday: # Code from module hard-locale: - # Code from module havelib: # Code from module include_next: # Code from module intprops: + # Code from module inttypes-incomplete: # Code from module isatty: # Code from module largefile: AC_REQUIRE([AC_SYS_LARGEFILE]) # Code from module libc-config: # Code from module limits-h: # Code from module localcharset: + # Code from module locale: # Code from module localtime-buffer: - # Code from module lock: # Code from module lstat: # Code from module malloc-gnu: # Code from module malloc-posix: @@ -106,6 +104,7 @@ AC_DEFUN([gl_EARLY], # Code from module quotearg-simple: # Code from module rawmemchr: # Code from module secure_getenv: + # Code from module setlocale-null: # Code from module size_max: # Code from module sleep: # Code from module snippet/_Noreturn: @@ -139,8 +138,6 @@ AC_DEFUN([gl_EARLY], # Code from module sys_wait: # Code from module sysexits: # Code from module tempname: - # Code from module threadlib: - gl_THREADLIB_EARLY # Code from module time: # Code from module unistd: # Code from module vasnprintf: @@ -148,10 +145,6 @@ AC_DEFUN([gl_EARLY], # Code from module vsnprintf: # Code from module wchar: # Code from module wctype-h: - # Code from module windows-mutex: - # Code from module windows-once: - # Code from module windows-recmutex: - # Code from module windows-rwlock: # Code from module xalloc: # Code from module xalloc-die: # Code from module xalloc-oversized: @@ -218,6 +211,7 @@ AC_SUBST([LTALLOCA]) GNULIB_GL_UNISTD_H_GETOPT=1 fi AC_SUBST([GNULIB_GL_UNISTD_H_GETOPT]) + gl_UNISTD_MODULE_INDICATOR([getopt-posix]) gl_FUNC_GETPROGNAME AC_SUBST([LIBINTL]) AC_SUBST([LTLIBINTL]) @@ -227,6 +221,10 @@ AC_SUBST([LTALLOCA]) gl_PREREQ_GETTIMEOFDAY fi gl_SYS_TIME_MODULE_INDICATOR([gettimeofday]) + AC_REQUIRE([gl_FUNC_SETLOCALE_NULL]) + LIB_HARD_LOCALE="$LIB_SETLOCALE_NULL" + AC_SUBST([LIB_HARD_LOCALE]) + gl_INTTYPES_INCOMPLETE gl_FUNC_ISATTY if test $REPLACE_ISATTY = 1; then AC_LIBOBJ([isatty]) @@ -240,10 +238,9 @@ AC_SUBST([LTALLOCA]) dnl For backward compatibility. Some packages still use this. LOCALCHARSET_TESTS_ENVIRONMENT= AC_SUBST([LOCALCHARSET_TESTS_ENVIRONMENT]) + gl_LOCALE_H AC_REQUIRE([gl_LOCALTIME_BUFFER_DEFAULTS]) AC_LIBOBJ([localtime-buffer]) - gl_LOCK - gl_MODULE_INDICATOR([lock]) gl_FUNC_LSTAT if test $REPLACE_LSTAT = 1; then AC_LIBOBJ([lstat]) @@ -264,6 +261,11 @@ AC_SUBST([LTALLOCA]) gl_FUNC_MBRTOWC if test $HAVE_MBRTOWC = 0 || test $REPLACE_MBRTOWC = 1; then AC_LIBOBJ([mbrtowc]) + if test $REPLACE_MBSTATE_T = 1; then + AC_LIBOBJ([lc-charset-dispatch]) + AC_LIBOBJ([mbtowc-lock]) + gl_PREREQ_MBTOWC_LOCK + fi gl_PREREQ_MBRTOWC fi gl_WCHAR_MODULE_INDICATOR([mbrtowc]) @@ -329,6 +331,12 @@ AC_SUBST([LTALLOCA]) gl_PREREQ_SECURE_GETENV fi gl_STDLIB_MODULE_INDICATOR([secure_getenv]) + gl_FUNC_SETLOCALE_NULL + if test $SETLOCALE_NULL_ALL_MTSAFE = 0 || test $SETLOCALE_NULL_ONE_MTSAFE = 0; then + AC_LIBOBJ([setlocale-lock]) + gl_PREREQ_SETLOCALE_LOCK + fi + gl_LOCALE_MODULE_INDICATOR([setlocale_null]) gl_SIZE_MAX gl_FUNC_SLEEP if test $HAVE_SLEEP = 0 || test $REPLACE_SLEEP = 1; then @@ -417,38 +425,14 @@ AC_SUBST([LTALLOCA]) AC_PROG_MKDIR_P gl_SYSEXITS gl_FUNC_GEN_TEMPNAME - AC_REQUIRE([gl_THREADLIB]) gl_HEADER_TIME_H gl_UNISTD_H + AC_REQUIRE([AC_C_RESTRICT]) gl_FUNC_VASNPRINTF gl_FUNC_VSNPRINTF gl_STDIO_MODULE_INDICATOR([vsnprintf]) gl_WCHAR_H gl_WCTYPE_H - AC_REQUIRE([AC_CANONICAL_HOST]) - case "$host_os" in - mingw*) - AC_LIBOBJ([windows-mutex]) - ;; - esac - AC_REQUIRE([AC_CANONICAL_HOST]) - case "$host_os" in - mingw*) - AC_LIBOBJ([windows-once]) - ;; - esac - AC_REQUIRE([AC_CANONICAL_HOST]) - case "$host_os" in - mingw*) - AC_LIBOBJ([windows-recmutex]) - ;; - esac - AC_REQUIRE([AC_CANONICAL_HOST]) - case "$host_os" in - mingw*) - AC_LIBOBJ([windows-rwlock]) - ;; - esac gl_XALLOC gl_XSIZE # End of code from modules @@ -587,7 +571,6 @@ AC_DEFUN([gltests_LIBSOURCES], [ # This macro records the list of files which have been installed by # gnulib-tool and may be removed by future gnulib-tool invocations. AC_DEFUN([gl_FILE_LIST], [ - build-aux/config.rpath lib/_Noreturn.h lib/alloca.c lib/alloca.in.h @@ -623,7 +606,6 @@ AC_DEFUN([gl_FILE_LIST], [ lib/closeout.h lib/dirname-lgpl.c lib/dirname.h - lib/dosname.h lib/errno.in.h lib/error.c lib/error.h @@ -649,26 +631,31 @@ AC_DEFUN([gl_FILE_LIST], [ lib/getprogname.h lib/gettext.h lib/gettimeofday.c - lib/glthread/lock.c - lib/glthread/lock.h - lib/glthread/threadlib.c lib/hard-locale.c lib/hard-locale.h lib/intprops.h + lib/inttypes.in.h lib/isatty.c lib/itold.c + lib/lc-charset-dispatch.c + lib/lc-charset-dispatch.h lib/libc-config.h lib/limits.in.h lib/localcharset.c lib/localcharset.h + lib/locale.in.h lib/localtime-buffer.c lib/localtime-buffer.h lib/lstat.c lib/malloc.c lib/malloca.c lib/malloca.h + lib/mbrtowc-impl-utf8.h + lib/mbrtowc-impl.h lib/mbrtowc.c lib/mbsinit.c + lib/mbtowc-lock.c + lib/mbtowc-lock.h lib/memchr.c lib/memchr.valgrind lib/mempcpy.c @@ -693,6 +680,9 @@ AC_DEFUN([gl_FILE_LIST], [ lib/rawmemchr.c lib/rawmemchr.valgrind lib/secure_getenv.c + lib/setlocale-lock.c + lib/setlocale_null.c + lib/setlocale_null.h lib/size_max.h lib/sleep.c lib/stat-time.c @@ -741,14 +731,6 @@ AC_DEFUN([gl_FILE_LIST], [ lib/wctype-h.c lib/wctype.in.h lib/windows-initguard.h - lib/windows-mutex.c - lib/windows-mutex.h - lib/windows-once.c - lib/windows-once.h - lib/windows-recmutex.c - lib/windows-recmutex.h - lib/windows-rwlock.c - lib/windows-rwlock.h lib/xalloc-die.c lib/xalloc-oversized.h lib/xalloc.h @@ -777,23 +759,19 @@ AC_DEFUN([gl_FILE_LIST], [ m4/getprogname.m4 m4/gettimeofday.m4 m4/gnulib-common.m4 - m4/host-cpu-c-abi.m4 m4/include_next.m4 m4/intmax_t.m4 + m4/inttypes.m4 m4/inttypes_h.m4 m4/isatty.m4 m4/largefile.m4 - m4/lib-ld.m4 - m4/lib-link.m4 - m4/lib-prefix.m4 m4/limits-h.m4 m4/localcharset.m4 m4/locale-fr.m4 m4/locale-ja.m4 m4/locale-zh.m4 + m4/locale_h.m4 m4/localtime-buffer.m4 - m4/lock.m4 - m4/longlong.m4 m4/lstat.m4 m4/malloc.m4 m4/malloca.m4 @@ -815,11 +793,11 @@ AC_DEFUN([gl_FILE_LIST], [ m4/off_t.m4 m4/pathmax.m4 m4/printf.m4 - m4/pthread_rwlock_rdlock.m4 m4/quote.m4 m4/quotearg.m4 m4/rawmemchr.m4 m4/secure_getenv.m4 + m4/setlocale_null.m4 m4/size_max.m4 m4/sleep.m4 m4/ssize_t.m4 @@ -853,6 +831,7 @@ AC_DEFUN([gl_FILE_LIST], [ m4/time_h.m4 m4/unistd_h.m4 m4/vasnprintf.m4 + m4/visibility.m4 m4/vsnprintf.m4 m4/warn-on-use.m4 m4/wchar_h.m4 @@ -861,4 +840,5 @@ AC_DEFUN([gl_FILE_LIST], [ m4/wint_t.m4 m4/xalloc.m4 m4/xsize.m4 + m4/zzgnulib.m4 ]) diff --git a/m4/gnulib-tool.m4 b/m4/gnulib-tool.m4 index 98e6adeb1..9e1744f78 100644 --- a/m4/gnulib-tool.m4 +++ b/m4/gnulib-tool.m4 @@ -1,5 +1,5 @@ # gnulib-tool.m4 serial 2 -dnl Copyright (C) 2004-2005, 2009-2019 Free Software Foundation, Inc. +dnl Copyright (C) 2004-2005, 2009-2020 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. diff --git a/m4/host-cpu-c-abi.m4 b/m4/host-cpu-c-abi.m4 deleted file mode 100644 index 4407296d0..000000000 --- a/m4/host-cpu-c-abi.m4 +++ /dev/null @@ -1,644 +0,0 @@ -# host-cpu-c-abi.m4 serial 11 -dnl Copyright (C) 2002-2019 Free Software Foundation, Inc. -dnl This file is free software; the Free Software Foundation -dnl gives unlimited permission to copy and/or distribute it, -dnl with or without modifications, as long as this notice is preserved. - -dnl From Bruno Haible and Sam Steingold. - -dnl Sets the HOST_CPU variable to the canonical name of the CPU. -dnl Sets the HOST_CPU_C_ABI variable to the canonical name of the CPU with its -dnl C language ABI (application binary interface). -dnl Also defines __${HOST_CPU}__ and __${HOST_CPU_C_ABI}__ as C macros in -dnl config.h. -dnl -dnl This canonical name can be used to select a particular assembly language -dnl source file that will interoperate with C code on the given host. -dnl -dnl For example: -dnl * 'i386' and 'sparc' are different canonical names, because code for i386 -dnl will not run on SPARC CPUs and vice versa. They have different -dnl instruction sets. -dnl * 'sparc' and 'sparc64' are different canonical names, because code for -dnl 'sparc' and code for 'sparc64' cannot be linked together: 'sparc' code -dnl contains 32-bit instructions, whereas 'sparc64' code contains 64-bit -dnl instructions. A process on a SPARC CPU can be in 32-bit mode or in 64-bit -dnl mode, but not both. -dnl * 'mips' and 'mipsn32' are different canonical names, because they use -dnl different argument passing and return conventions for C functions, and -dnl although the instruction set of 'mips' is a large subset of the -dnl instruction set of 'mipsn32'. -dnl * 'mipsn32' and 'mips64' are different canonical names, because they use -dnl different sizes for the C types like 'int' and 'void *', and although -dnl the instruction sets of 'mipsn32' and 'mips64' are the same. -dnl * The same canonical name is used for different endiannesses. You can -dnl determine the endianness through preprocessor symbols: -dnl - 'arm': test __ARMEL__. -dnl - 'mips', 'mipsn32', 'mips64': test _MIPSEB vs. _MIPSEL. -dnl - 'powerpc64': test _BIG_ENDIAN vs. _LITTLE_ENDIAN. -dnl * The same name 'i386' is used for CPUs of type i386, i486, i586 -dnl (Pentium), AMD K7, Pentium II, Pentium IV, etc., because -dnl - Instructions that do not exist on all of these CPUs (cmpxchg, -dnl MMX, SSE, SSE2, 3DNow! etc.) are not frequently used. If your -dnl assembly language source files use such instructions, you will -dnl need to make the distinction. -dnl - Speed of execution of the common instruction set is reasonable across -dnl the entire family of CPUs. If you have assembly language source files -dnl that are optimized for particular CPU types (like GNU gmp has), you -dnl will need to make the distinction. -dnl See . -AC_DEFUN([gl_HOST_CPU_C_ABI], -[ - AC_REQUIRE([AC_CANONICAL_HOST]) - AC_REQUIRE([gl_C_ASM]) - AC_CACHE_CHECK([host CPU and C ABI], [gl_cv_host_cpu_c_abi], - [case "$host_cpu" in - -changequote(,)dnl - i[4567]86 ) -changequote([,])dnl - gl_cv_host_cpu_c_abi=i386 - ;; - - x86_64 ) - # On x86_64 systems, the C compiler may be generating code in one of - # these ABIs: - # - 64-bit instruction set, 64-bit pointers, 64-bit 'long': x86_64. - # - 64-bit instruction set, 64-bit pointers, 32-bit 'long': x86_64 - # with native Windows (mingw, MSVC). - # - 64-bit instruction set, 32-bit pointers, 32-bit 'long': x86_64-x32. - # - 32-bit instruction set, 32-bit pointers, 32-bit 'long': i386. - AC_COMPILE_IFELSE( - [AC_LANG_SOURCE( - [[#if (defined __x86_64__ || defined __amd64__ \ - || defined _M_X64 || defined _M_AMD64) - int ok; - #else - error fail - #endif - ]])], - [AC_COMPILE_IFELSE( - [AC_LANG_SOURCE( - [[#if defined __ILP32__ || defined _ILP32 - int ok; - #else - error fail - #endif - ]])], - [gl_cv_host_cpu_c_abi=x86_64-x32], - [gl_cv_host_cpu_c_abi=x86_64])], - [gl_cv_host_cpu_c_abi=i386]) - ;; - -changequote(,)dnl - alphaev[4-8] | alphaev56 | alphapca5[67] | alphaev6[78] ) -changequote([,])dnl - gl_cv_host_cpu_c_abi=alpha - ;; - - arm* | aarch64 ) - # Assume arm with EABI. - # On arm64 systems, the C compiler may be generating code in one of - # these ABIs: - # - aarch64 instruction set, 64-bit pointers, 64-bit 'long': arm64. - # - aarch64 instruction set, 32-bit pointers, 32-bit 'long': arm64-ilp32. - # - 32-bit instruction set, 32-bit pointers, 32-bit 'long': arm or armhf. - AC_COMPILE_IFELSE( - [AC_LANG_SOURCE( - [[#ifdef __aarch64__ - int ok; - #else - error fail - #endif - ]])], - [AC_COMPILE_IFELSE( - [AC_LANG_SOURCE( - [[#if defined __ILP32__ || defined _ILP32 - int ok; - #else - error fail - #endif - ]])], - [gl_cv_host_cpu_c_abi=arm64-ilp32], - [gl_cv_host_cpu_c_abi=arm64])], - [# Don't distinguish little-endian and big-endian arm, since they - # don't require different machine code for simple operations and - # since the user can distinguish them through the preprocessor - # defines __ARMEL__ vs. __ARMEB__. - # But distinguish arm which passes floating-point arguments and - # return values in integer registers (r0, r1, ...) - this is - # gcc -mfloat-abi=soft or gcc -mfloat-abi=softfp - from arm which - # passes them in float registers (s0, s1, ...) and double registers - # (d0, d1, ...) - this is gcc -mfloat-abi=hard. GCC 4.6 or newer - # sets the preprocessor defines __ARM_PCS (for the first case) and - # __ARM_PCS_VFP (for the second case), but older GCC does not. - echo 'double ddd; void func (double dd) { ddd = dd; }' > conftest.c - # Look for a reference to the register d0 in the .s file. - AC_TRY_COMMAND(${CC-cc} $CFLAGS $CPPFLAGS $gl_c_asm_opt conftest.c) >/dev/null 2>&1 - if LC_ALL=C grep 'd0,' conftest.$gl_asmext >/dev/null; then - gl_cv_host_cpu_c_abi=armhf - else - gl_cv_host_cpu_c_abi=arm - fi - rm -f conftest* - ]) - ;; - - hppa1.0 | hppa1.1 | hppa2.0* | hppa64 ) - # On hppa, the C compiler may be generating 32-bit code or 64-bit - # code. In the latter case, it defines _LP64 and __LP64__. - AC_COMPILE_IFELSE( - [AC_LANG_SOURCE( - [[#ifdef __LP64__ - int ok; - #else - error fail - #endif - ]])], - [gl_cv_host_cpu_c_abi=hppa64], - [gl_cv_host_cpu_c_abi=hppa]) - ;; - - ia64* ) - # On ia64 on HP-UX, the C compiler may be generating 64-bit code or - # 32-bit code. In the latter case, it defines _ILP32. - AC_COMPILE_IFELSE( - [AC_LANG_SOURCE( - [[#ifdef _ILP32 - int ok; - #else - error fail - #endif - ]])], - [gl_cv_host_cpu_c_abi=ia64-ilp32], - [gl_cv_host_cpu_c_abi=ia64]) - ;; - - mips* ) - # We should also check for (_MIPS_SZPTR == 64), but gcc keeps this - # at 32. - AC_COMPILE_IFELSE( - [AC_LANG_SOURCE( - [[#if defined _MIPS_SZLONG && (_MIPS_SZLONG == 64) - int ok; - #else - error fail - #endif - ]])], - [gl_cv_host_cpu_c_abi=mips64], - [# In the n32 ABI, _ABIN32 is defined, _ABIO32 is not defined (but - # may later get defined by ), and _MIPS_SIM == _ABIN32. - # In the 32 ABI, _ABIO32 is defined, _ABIN32 is not defined (but - # may later get defined by ), and _MIPS_SIM == _ABIO32. - AC_COMPILE_IFELSE( - [AC_LANG_SOURCE( - [[#if (_MIPS_SIM == _ABIN32) - int ok; - #else - error fail - #endif - ]])], - [gl_cv_host_cpu_c_abi=mipsn32], - [gl_cv_host_cpu_c_abi=mips])]) - ;; - - powerpc* ) - # Different ABIs are in use on AIX vs. Mac OS X vs. Linux,*BSD. - # No need to distinguish them here; the caller may distinguish - # them based on the OS. - # On powerpc64 systems, the C compiler may still be generating - # 32-bit code. And on powerpc-ibm-aix systems, the C compiler may - # be generating 64-bit code. - AC_COMPILE_IFELSE( - [AC_LANG_SOURCE( - [[#if defined __powerpc64__ || defined _ARCH_PPC64 - int ok; - #else - error fail - #endif - ]])], - [# On powerpc64, there are two ABIs on Linux: The AIX compatible - # one and the ELFv2 one. The latter defines _CALL_ELF=2. - AC_COMPILE_IFELSE( - [AC_LANG_SOURCE( - [[#if defined _CALL_ELF && _CALL_ELF == 2 - int ok; - #else - error fail - #endif - ]])], - [gl_cv_host_cpu_c_abi=powerpc64-elfv2], - [gl_cv_host_cpu_c_abi=powerpc64]) - ], - [gl_cv_host_cpu_c_abi=powerpc]) - ;; - - rs6000 ) - gl_cv_host_cpu_c_abi=powerpc - ;; - - riscv32 | riscv64 ) - # There are 2 architectures (with variants): rv32* and rv64*. - AC_COMPILE_IFELSE( - [AC_LANG_SOURCE( - [[#if __riscv_xlen == 64 - int ok; - #else - error fail - #endif - ]])], - [cpu=riscv64], - [cpu=riscv32]) - # There are 6 ABIs: ilp32, ilp32f, ilp32d, lp64, lp64f, lp64d. - # Size of 'long' and 'void *': - AC_COMPILE_IFELSE( - [AC_LANG_SOURCE( - [[#if defined __LP64__ - int ok; - #else - error fail - #endif - ]])], - [main_abi=lp64], - [main_abi=ilp32]) - # Float ABIs: - # __riscv_float_abi_double: - # 'float' and 'double' are passed in floating-point registers. - # __riscv_float_abi_single: - # 'float' are passed in floating-point registers. - # __riscv_float_abi_soft: - # No values are passed in floating-point registers. - AC_COMPILE_IFELSE( - [AC_LANG_SOURCE( - [[#if defined __riscv_float_abi_double - int ok; - #else - error fail - #endif - ]])], - [float_abi=d], - [AC_COMPILE_IFELSE( - [AC_LANG_SOURCE( - [[#if defined __riscv_float_abi_single - int ok; - #else - error fail - #endif - ]])], - [float_abi=f], - [float_abi='']) - ]) - gl_cv_host_cpu_c_abi="${cpu}-${main_abi}${float_abi}" - ;; - - s390* ) - # On s390x, the C compiler may be generating 64-bit (= s390x) code - # or 31-bit (= s390) code. - AC_COMPILE_IFELSE( - [AC_LANG_SOURCE( - [[#if defined __LP64__ || defined __s390x__ - int ok; - #else - error fail - #endif - ]])], - [gl_cv_host_cpu_c_abi=s390x], - [gl_cv_host_cpu_c_abi=s390]) - ;; - - sparc | sparc64 ) - # UltraSPARCs running Linux have `uname -m` = "sparc64", but the - # C compiler still generates 32-bit code. - AC_COMPILE_IFELSE( - [AC_LANG_SOURCE( - [[#if defined __sparcv9 || defined __arch64__ - int ok; - #else - error fail - #endif - ]])], - [gl_cv_host_cpu_c_abi=sparc64], - [gl_cv_host_cpu_c_abi=sparc]) - ;; - - *) - gl_cv_host_cpu_c_abi="$host_cpu" - ;; - esac - ]) - - dnl In most cases, $HOST_CPU and $HOST_CPU_C_ABI are the same. - HOST_CPU=`echo "$gl_cv_host_cpu_c_abi" | sed -e 's/-.*//'` - HOST_CPU_C_ABI="$gl_cv_host_cpu_c_abi" - AC_SUBST([HOST_CPU]) - AC_SUBST([HOST_CPU_C_ABI]) - - # This was - # AC_DEFINE_UNQUOTED([__${HOST_CPU}__]) - # AC_DEFINE_UNQUOTED([__${HOST_CPU_C_ABI}__]) - # earlier, but KAI C++ 3.2d doesn't like this. - sed -e 's/-/_/g' >> confdefs.h < and don't define.]) else AC_DEFINE([HAVE_INTMAX_T], [1], @@ -57,11 +53,7 @@ AC_DEFUN([gt_AC_TYPE_INTMAX_T], AC_DEFINE([HAVE_INTMAX_T], [1], [Define if you have the 'intmax_t' type in or .]) else - AC_REQUIRE([AC_TYPE_LONG_LONG_INT]) - test $ac_cv_type_long_long_int = yes \ - && ac_type='long long' \ - || ac_type='long' - AC_DEFINE_UNQUOTED([intmax_t], [$ac_type], + AC_DEFINE_UNQUOTED([intmax_t], [long long], [Define to long or long long if and don't define.]) fi ]) diff --git a/m4/inttypes.m4 b/m4/inttypes.m4 new file mode 100644 index 000000000..224d0cdd8 --- /dev/null +++ b/m4/inttypes.m4 @@ -0,0 +1,159 @@ +# inttypes.m4 serial 29 +dnl Copyright (C) 2006-2020 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl From Derek Price, Bruno Haible. +dnl Test whether is supported or must be substituted. + +AC_DEFUN([gl_INTTYPES_H], +[ + AC_REQUIRE([gl_INTTYPES_INCOMPLETE]) + gl_INTTYPES_PRI_SCN +]) + +AC_DEFUN_ONCE([gl_INTTYPES_INCOMPLETE], +[ + AC_REQUIRE([gl_STDINT_H]) + AC_CHECK_HEADERS_ONCE([inttypes.h]) + + dnl Override always, so that the portability warnings work. + AC_REQUIRE([gl_INTTYPES_H_DEFAULTS]) + gl_CHECK_NEXT_HEADERS([inttypes.h]) + + AC_REQUIRE([gl_MULTIARCH]) + + dnl Check for declarations of anything we want to poison if the + dnl corresponding gnulib module is not in use. + gl_WARN_ON_USE_PREPARE([[#include + ]], [imaxabs imaxdiv strtoimax strtoumax]) + + AC_REQUIRE([AC_C_RESTRICT]) +]) + +# Ensure that the PRI* and SCN* macros are defined appropriately. +AC_DEFUN([gl_INTTYPES_PRI_SCN], +[ + AC_REQUIRE([gt_INTTYPES_PRI]) + + PRIPTR_PREFIX= + if test -n "$STDINT_H"; then + dnl Using the gnulib . It always defines intptr_t to 'long'. + PRIPTR_PREFIX='"l"' + else + dnl Using the system's . + for glpfx in '' l ll I64; do + case $glpfx in + '') gltype1='int';; + l) gltype1='long int';; + ll) gltype1='long long int';; + I64) gltype1='__int64';; + esac + AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM([[#include + extern intptr_t foo; + extern $gltype1 foo;]])], + [PRIPTR_PREFIX='"'$glpfx'"']) + test -n "$PRIPTR_PREFIX" && break + done + fi + AC_SUBST([PRIPTR_PREFIX]) + + gl_INTTYPES_CHECK_LONG_LONG_INT_CONDITION( + [INT32_MAX_LT_INTMAX_MAX], + [defined INT32_MAX && defined INTMAX_MAX], + [INT32_MAX < INTMAX_MAX], + [sizeof (int) < sizeof (long long int)]) + if test $APPLE_UNIVERSAL_BUILD = 0; then + gl_INTTYPES_CHECK_LONG_LONG_INT_CONDITION( + [INT64_MAX_EQ_LONG_MAX], + [defined INT64_MAX], + [INT64_MAX == LONG_MAX], + [sizeof (long long int) == sizeof (long int)]) + else + INT64_MAX_EQ_LONG_MAX=-1 + fi + gl_INTTYPES_CHECK_LONG_LONG_INT_CONDITION( + [UINT32_MAX_LT_UINTMAX_MAX], + [defined UINT32_MAX && defined UINTMAX_MAX], + [UINT32_MAX < UINTMAX_MAX], + [sizeof (unsigned int) < sizeof (unsigned long long int)]) + if test $APPLE_UNIVERSAL_BUILD = 0; then + gl_INTTYPES_CHECK_LONG_LONG_INT_CONDITION( + [UINT64_MAX_EQ_ULONG_MAX], + [defined UINT64_MAX], + [UINT64_MAX == ULONG_MAX], + [sizeof (unsigned long long int) == sizeof (unsigned long int)]) + else + UINT64_MAX_EQ_ULONG_MAX=-1 + fi +]) + +# Define the symbol $1 to be 1 if the condition is true, 0 otherwise. +# If $2 is true, the condition is $3; otherwise if long long int is supported +# approximate the condition with $4; otherwise, assume the condition is false. +# The condition should work on all C99 platforms; the approximations should be +# good enough to work on all practical pre-C99 platforms. +# $2 is evaluated by the C preprocessor, $3 and $4 as compile-time constants. +AC_DEFUN([gl_INTTYPES_CHECK_LONG_LONG_INT_CONDITION], +[ + AC_CACHE_CHECK([whether $3], + [gl_cv_test_$1], + [AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM( + [[/* Work also in C++ mode. */ + #define __STDC_LIMIT_MACROS 1 + + /* Work if build is not clean. */ + #define _GL_JUST_INCLUDE_SYSTEM_STDINT_H + + #include + #if HAVE_STDINT_H + #include + #endif + + #if $2 + #define CONDITION ($3) + #else + #define CONDITION ($4) + #endif + int test[CONDITION ? 1 : -1];]])], + [gl_cv_test_$1=yes], + [gl_cv_test_$1=no])]) + if test $gl_cv_test_$1 = yes; then + $1=1; + else + $1=0; + fi + AC_SUBST([$1]) +]) + +AC_DEFUN([gl_INTTYPES_MODULE_INDICATOR], +[ + dnl Use AC_REQUIRE here, so that the default settings are expanded once only. + AC_REQUIRE([gl_INTTYPES_H_DEFAULTS]) + gl_MODULE_INDICATOR_SET_VARIABLE([$1]) +]) + +AC_DEFUN([gl_INTTYPES_H_DEFAULTS], +[ + GNULIB_IMAXABS=0; AC_SUBST([GNULIB_IMAXABS]) + GNULIB_IMAXDIV=0; AC_SUBST([GNULIB_IMAXDIV]) + GNULIB_STRTOIMAX=0; AC_SUBST([GNULIB_STRTOIMAX]) + GNULIB_STRTOUMAX=0; AC_SUBST([GNULIB_STRTOUMAX]) + dnl Assume proper GNU behavior unless another module says otherwise. + HAVE_DECL_IMAXABS=1; AC_SUBST([HAVE_DECL_IMAXABS]) + HAVE_DECL_IMAXDIV=1; AC_SUBST([HAVE_DECL_IMAXDIV]) + HAVE_DECL_STRTOIMAX=1; AC_SUBST([HAVE_DECL_STRTOIMAX]) + HAVE_DECL_STRTOUMAX=1; AC_SUBST([HAVE_DECL_STRTOUMAX]) + HAVE_IMAXDIV_T=1; AC_SUBST([HAVE_IMAXDIV_T]) + REPLACE_STRTOIMAX=0; AC_SUBST([REPLACE_STRTOIMAX]) + REPLACE_STRTOUMAX=0; AC_SUBST([REPLACE_STRTOUMAX]) + INT32_MAX_LT_INTMAX_MAX=1; AC_SUBST([INT32_MAX_LT_INTMAX_MAX]) + INT64_MAX_EQ_LONG_MAX='defined _LP64'; AC_SUBST([INT64_MAX_EQ_LONG_MAX]) + PRI_MACROS_BROKEN=0; AC_SUBST([PRI_MACROS_BROKEN]) + PRIPTR_PREFIX=__PRIPTR_PREFIX; AC_SUBST([PRIPTR_PREFIX]) + UINT32_MAX_LT_UINTMAX_MAX=1; AC_SUBST([UINT32_MAX_LT_UINTMAX_MAX]) + UINT64_MAX_EQ_ULONG_MAX='defined _LP64'; AC_SUBST([UINT64_MAX_EQ_ULONG_MAX]) +]) diff --git a/m4/inttypes_h.m4 b/m4/inttypes_h.m4 index d20422a44..ebb532037 100644 --- a/m4/inttypes_h.m4 +++ b/m4/inttypes_h.m4 @@ -1,5 +1,5 @@ # inttypes_h.m4 serial 10 -dnl Copyright (C) 1997-2004, 2006, 2008-2019 Free Software Foundation, Inc. +dnl Copyright (C) 1997-2004, 2006, 2008-2020 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. diff --git a/m4/isatty.m4 b/m4/isatty.m4 index 9d5cc7189..64fdb4ee1 100644 --- a/m4/isatty.m4 +++ b/m4/isatty.m4 @@ -1,5 +1,5 @@ # isatty.m4 serial 3 -dnl Copyright (C) 2012-2019 Free Software Foundation, Inc. +dnl Copyright (C) 2012-2020 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. diff --git a/m4/largefile.m4 b/m4/largefile.m4 index 1938188c1..8017ca70e 100644 --- a/m4/largefile.m4 +++ b/m4/largefile.m4 @@ -1,10 +1,27 @@ # Enable large files on systems where this is not the default. +# Enable support for files on Linux file systems with 64-bit inode numbers. -# Copyright 1992-1996, 1998-2019 Free Software Foundation, Inc. +# Copyright 1992-1996, 1998-2020 Free Software Foundation, Inc. # This file is free software; the Free Software Foundation # gives unlimited permission to copy and/or distribute it, # with or without modifications, as long as this notice is preserved. +# The following macro works around a problem in Autoconf's AC_FUNC_FSEEKO: +# It does not set _LARGEFILE_SOURCE=1 on HP-UX/ia64 32-bit, although this +# setting of _LARGEFILE_SOURCE is needed so that declares fseeko +# and ftello in C++ mode as well. +AC_DEFUN([gl_SET_LARGEFILE_SOURCE], +[ + AC_REQUIRE([AC_CANONICAL_HOST]) + AC_FUNC_FSEEKO + case "$host_os" in + hpux*) + AC_DEFINE([_LARGEFILE_SOURCE], [1], + [Define to 1 to make fseeko visible on some hosts (e.g. glibc 2.2).]) + ;; + esac +]) + # The following implementation works around a problem in autoconf <= 2.69; # AC_SYS_LARGEFILE does not configure for large inodes on Mac OS X 10.5, # or configures them incorrectly in some cases. @@ -56,7 +73,10 @@ rm -rf conftest*[]dnl # By default, many hosts won't let programs access large files; # one must use special compiler options to get large-file access to work. # For more details about this brain damage please see: -# http://www.unix-systems.org/version2/whatsnew/lfs20mar.html +# http://www.unix.org/version2/whatsnew/lfs20mar.html +# Additionally, on Linux file systems with 64-bit inodes a file that happens +# to have a 64-bit inode number cannot be accessed by 32-bit applications on +# Linux x86/x86_64. This can occur with file systems such as XFS and NFS. AC_DEFUN([AC_SYS_LARGEFILE], [AC_ARG_ENABLE(largefile, [ --disable-largefile omit support for large files]) @@ -93,9 +113,6 @@ if test "$enable_largefile" != no; then [Define for large files, on AIX-style hosts.], [_AC_SYS_LARGEFILE_TEST_INCLUDES]) fi - - AC_DEFINE([_DARWIN_USE_64_BIT_INODE], [1], - [Enable large inode numbers on Mac OS X 10.5.]) fi ])# AC_SYS_LARGEFILE ])# m4_version_prereq 2.70 diff --git a/m4/lib-ld.m4 b/m4/lib-ld.m4 deleted file mode 100644 index a18719630..000000000 --- a/m4/lib-ld.m4 +++ /dev/null @@ -1,168 +0,0 @@ -# lib-ld.m4 serial 9 -dnl Copyright (C) 1996-2003, 2009-2019 Free Software Foundation, Inc. -dnl This file is free software; the Free Software Foundation -dnl gives unlimited permission to copy and/or distribute it, -dnl with or without modifications, as long as this notice is preserved. - -dnl Subroutines of libtool.m4, -dnl with replacements s/_*LT_PATH/AC_LIB_PROG/ and s/lt_/acl_/ to avoid -dnl collision with libtool.m4. - -dnl From libtool-2.4. Sets the variable with_gnu_ld to yes or no. -AC_DEFUN([AC_LIB_PROG_LD_GNU], -[AC_CACHE_CHECK([if the linker ($LD) is GNU ld], [acl_cv_prog_gnu_ld], -[# I'd rather use --version here, but apparently some GNU lds only accept -v. -case `$LD -v 2>&1 /dev/null 2>&1 \ - && { (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 \ - || PATH_SEPARATOR=';' - } -fi - -if test -n "$LD"; then - AC_MSG_CHECKING([for ld]) -elif test "$GCC" = yes; then - AC_MSG_CHECKING([for ld used by $CC]) -elif test "$with_gnu_ld" = yes; then - AC_MSG_CHECKING([for GNU ld]) -else - AC_MSG_CHECKING([for non-GNU ld]) -fi -if test -n "$LD"; then - # Let the user override the test with a path. - : -else - AC_CACHE_VAL([acl_cv_path_LD], - [ - acl_cv_path_LD= # Final result of this test - ac_prog=ld # Program to search in $PATH - if test "$GCC" = yes; then - # Check if gcc -print-prog-name=ld gives a path. - case $host in - *-*-mingw*) - # gcc leaves a trailing carriage return which upsets mingw - acl_output=`($CC -print-prog-name=ld) 2>&5 | tr -d '\015'` ;; - *) - acl_output=`($CC -print-prog-name=ld) 2>&5` ;; - esac - case $acl_output in - # Accept absolute paths. - [[\\/]]* | ?:[[\\/]]*) - re_direlt='/[[^/]][[^/]]*/\.\./' - # Canonicalize the pathname of ld - acl_output=`echo "$acl_output" | sed 's%\\\\%/%g'` - while echo "$acl_output" | grep "$re_direlt" > /dev/null 2>&1; do - acl_output=`echo $acl_output | sed "s%$re_direlt%/%"` - done - # Got the pathname. No search in PATH is needed. - acl_cv_path_LD="$acl_output" - ac_prog= - ;; - "") - # If it fails, then pretend we aren't using GCC. - ;; - *) - # If it is relative, then search for the first ld in PATH. - with_gnu_ld=unknown - ;; - esac - fi - if test -n "$ac_prog"; then - # Search for $ac_prog in $PATH. - acl_save_ifs="$IFS"; IFS=$PATH_SEPARATOR - for ac_dir in $PATH; do - IFS="$acl_save_ifs" - test -z "$ac_dir" && ac_dir=. - if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then - acl_cv_path_LD="$ac_dir/$ac_prog" - # Check to see if the program is GNU ld. I'd rather use --version, - # but apparently some variants of GNU ld only accept -v. - # Break only if it was the GNU/non-GNU ld that we prefer. - case `"$acl_cv_path_LD" -v 2>&1 conftest.sh - . ./conftest.sh - rm -f ./conftest.sh - acl_cv_rpath=done - ]) - wl="$acl_cv_wl" - acl_libext="$acl_cv_libext" - acl_shlibext="$acl_cv_shlibext" - acl_libname_spec="$acl_cv_libname_spec" - acl_library_names_spec="$acl_cv_library_names_spec" - acl_hardcode_libdir_flag_spec="$acl_cv_hardcode_libdir_flag_spec" - acl_hardcode_libdir_separator="$acl_cv_hardcode_libdir_separator" - acl_hardcode_direct="$acl_cv_hardcode_direct" - acl_hardcode_minus_L="$acl_cv_hardcode_minus_L" - dnl Determine whether the user wants rpath handling at all. - AC_ARG_ENABLE([rpath], - [ --disable-rpath do not hardcode runtime library paths], - :, enable_rpath=yes) -]) - -dnl AC_LIB_FROMPACKAGE(name, package) -dnl declares that libname comes from the given package. The configure file -dnl will then not have a --with-libname-prefix option but a -dnl --with-package-prefix option. Several libraries can come from the same -dnl package. This declaration must occur before an AC_LIB_LINKFLAGS or similar -dnl macro call that searches for libname. -AC_DEFUN([AC_LIB_FROMPACKAGE], -[ - pushdef([NAME],[m4_translit([$1],[abcdefghijklmnopqrstuvwxyz./+-], - [ABCDEFGHIJKLMNOPQRSTUVWXYZ____])]) - define([acl_frompackage_]NAME, [$2]) - popdef([NAME]) - pushdef([PACK],[$2]) - pushdef([PACKUP],[m4_translit(PACK,[abcdefghijklmnopqrstuvwxyz./+-], - [ABCDEFGHIJKLMNOPQRSTUVWXYZ____])]) - define([acl_libsinpackage_]PACKUP, - m4_ifdef([acl_libsinpackage_]PACKUP, [m4_defn([acl_libsinpackage_]PACKUP)[, ]],)[lib$1]) - popdef([PACKUP]) - popdef([PACK]) -]) - -dnl AC_LIB_LINKFLAGS_BODY(name [, dependencies]) searches for libname and -dnl the libraries corresponding to explicit and implicit dependencies. -dnl Sets the LIB${NAME}, LTLIB${NAME} and INC${NAME} variables. -dnl Also, sets the LIB${NAME}_PREFIX variable to nonempty if libname was found -dnl in ${LIB${NAME}_PREFIX}/$acl_libdirstem. -AC_DEFUN([AC_LIB_LINKFLAGS_BODY], -[ - AC_REQUIRE([AC_LIB_PREPARE_MULTILIB]) - pushdef([NAME],[m4_translit([$1],[abcdefghijklmnopqrstuvwxyz./+-], - [ABCDEFGHIJKLMNOPQRSTUVWXYZ____])]) - pushdef([PACK],[m4_ifdef([acl_frompackage_]NAME, [acl_frompackage_]NAME, lib[$1])]) - pushdef([PACKUP],[m4_translit(PACK,[abcdefghijklmnopqrstuvwxyz./+-], - [ABCDEFGHIJKLMNOPQRSTUVWXYZ____])]) - pushdef([PACKLIBS],[m4_ifdef([acl_frompackage_]NAME, [acl_libsinpackage_]PACKUP, lib[$1])]) - dnl By default, look in $includedir and $libdir. - use_additional=yes - AC_LIB_WITH_FINAL_PREFIX([ - eval additional_includedir=\"$includedir\" - eval additional_libdir=\"$libdir\" - ]) - AC_ARG_WITH(PACK[-prefix], -[[ --with-]]PACK[[-prefix[=DIR] search for ]PACKLIBS[ in DIR/include and DIR/lib - --without-]]PACK[[-prefix don't search for ]PACKLIBS[ in includedir and libdir]], -[ - if test "X$withval" = "Xno"; then - use_additional=no - else - if test "X$withval" = "X"; then - AC_LIB_WITH_FINAL_PREFIX([ - eval additional_includedir=\"$includedir\" - eval additional_libdir=\"$libdir\" - ]) - else - additional_includedir="$withval/include" - additional_libdir="$withval/$acl_libdirstem" - if test "$acl_libdirstem2" != "$acl_libdirstem" \ - && test ! -d "$withval/$acl_libdirstem"; then - additional_libdir="$withval/$acl_libdirstem2" - fi - fi - fi -]) - dnl Search the library and its dependencies in $additional_libdir and - dnl $LDFLAGS. Using breadth-first-seach. - LIB[]NAME= - LTLIB[]NAME= - INC[]NAME= - LIB[]NAME[]_PREFIX= - dnl HAVE_LIB${NAME} is an indicator that LIB${NAME}, LTLIB${NAME} have been - dnl computed. So it has to be reset here. - HAVE_LIB[]NAME= - rpathdirs= - ltrpathdirs= - names_already_handled= - names_next_round='$1 $2' - while test -n "$names_next_round"; do - names_this_round="$names_next_round" - names_next_round= - for name in $names_this_round; do - already_handled= - for n in $names_already_handled; do - if test "$n" = "$name"; then - already_handled=yes - break - fi - done - if test -z "$already_handled"; then - names_already_handled="$names_already_handled $name" - dnl See if it was already located by an earlier AC_LIB_LINKFLAGS - dnl or AC_LIB_HAVE_LINKFLAGS call. - uppername=`echo "$name" | sed -e 'y|abcdefghijklmnopqrstuvwxyz./+-|ABCDEFGHIJKLMNOPQRSTUVWXYZ____|'` - eval value=\"\$HAVE_LIB$uppername\" - if test -n "$value"; then - if test "$value" = yes; then - eval value=\"\$LIB$uppername\" - test -z "$value" || LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$value" - eval value=\"\$LTLIB$uppername\" - test -z "$value" || LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }$value" - else - dnl An earlier call to AC_LIB_HAVE_LINKFLAGS has determined - dnl that this library doesn't exist. So just drop it. - : - fi - else - dnl Search the library lib$name in $additional_libdir and $LDFLAGS - dnl and the already constructed $LIBNAME/$LTLIBNAME. - found_dir= - found_la= - found_so= - found_a= - eval libname=\"$acl_libname_spec\" # typically: libname=lib$name - if test -n "$acl_shlibext"; then - shrext=".$acl_shlibext" # typically: shrext=.so - else - shrext= - fi - if test $use_additional = yes; then - dir="$additional_libdir" - dnl The same code as in the loop below: - dnl First look for a shared library. - if test -n "$acl_shlibext"; then - if test -f "$dir/$libname$shrext"; then - found_dir="$dir" - found_so="$dir/$libname$shrext" - else - if test "$acl_library_names_spec" = '$libname$shrext$versuffix'; then - ver=`(cd "$dir" && \ - for f in "$libname$shrext".*; do echo "$f"; done \ - | sed -e "s,^$libname$shrext\\\\.,," \ - | sort -t '.' -n -r -k1,1 -k2,2 -k3,3 -k4,4 -k5,5 \ - | sed 1q ) 2>/dev/null` - if test -n "$ver" && test -f "$dir/$libname$shrext.$ver"; then - found_dir="$dir" - found_so="$dir/$libname$shrext.$ver" - fi - else - eval library_names=\"$acl_library_names_spec\" - for f in $library_names; do - if test -f "$dir/$f"; then - found_dir="$dir" - found_so="$dir/$f" - break - fi - done - fi - fi - fi - dnl Then look for a static library. - if test "X$found_dir" = "X"; then - if test -f "$dir/$libname.$acl_libext"; then - found_dir="$dir" - found_a="$dir/$libname.$acl_libext" - fi - fi - if test "X$found_dir" != "X"; then - if test -f "$dir/$libname.la"; then - found_la="$dir/$libname.la" - fi - fi - fi - if test "X$found_dir" = "X"; then - for x in $LDFLAGS $LTLIB[]NAME; do - AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"]) - case "$x" in - -L*) - dir=`echo "X$x" | sed -e 's/^X-L//'` - dnl First look for a shared library. - if test -n "$acl_shlibext"; then - if test -f "$dir/$libname$shrext"; then - found_dir="$dir" - found_so="$dir/$libname$shrext" - else - if test "$acl_library_names_spec" = '$libname$shrext$versuffix'; then - ver=`(cd "$dir" && \ - for f in "$libname$shrext".*; do echo "$f"; done \ - | sed -e "s,^$libname$shrext\\\\.,," \ - | sort -t '.' -n -r -k1,1 -k2,2 -k3,3 -k4,4 -k5,5 \ - | sed 1q ) 2>/dev/null` - if test -n "$ver" && test -f "$dir/$libname$shrext.$ver"; then - found_dir="$dir" - found_so="$dir/$libname$shrext.$ver" - fi - else - eval library_names=\"$acl_library_names_spec\" - for f in $library_names; do - if test -f "$dir/$f"; then - found_dir="$dir" - found_so="$dir/$f" - break - fi - done - fi - fi - fi - dnl Then look for a static library. - if test "X$found_dir" = "X"; then - if test -f "$dir/$libname.$acl_libext"; then - found_dir="$dir" - found_a="$dir/$libname.$acl_libext" - fi - fi - if test "X$found_dir" != "X"; then - if test -f "$dir/$libname.la"; then - found_la="$dir/$libname.la" - fi - fi - ;; - esac - if test "X$found_dir" != "X"; then - break - fi - done - fi - if test "X$found_dir" != "X"; then - dnl Found the library. - LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }-L$found_dir -l$name" - if test "X$found_so" != "X"; then - dnl Linking with a shared library. We attempt to hardcode its - dnl directory into the executable's runpath, unless it's the - dnl standard /usr/lib. - if test "$enable_rpath" = no \ - || test "X$found_dir" = "X/usr/$acl_libdirstem" \ - || test "X$found_dir" = "X/usr/$acl_libdirstem2"; then - dnl No hardcoding is needed. - LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_so" - else - dnl Use an explicit option to hardcode DIR into the resulting - dnl binary. - dnl Potentially add DIR to ltrpathdirs. - dnl The ltrpathdirs will be appended to $LTLIBNAME at the end. - haveit= - for x in $ltrpathdirs; do - if test "X$x" = "X$found_dir"; then - haveit=yes - break - fi - done - if test -z "$haveit"; then - ltrpathdirs="$ltrpathdirs $found_dir" - fi - dnl The hardcoding into $LIBNAME is system dependent. - if test "$acl_hardcode_direct" = yes; then - dnl Using DIR/libNAME.so during linking hardcodes DIR into the - dnl resulting binary. - LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_so" - else - if test -n "$acl_hardcode_libdir_flag_spec" && test "$acl_hardcode_minus_L" = no; then - dnl Use an explicit option to hardcode DIR into the resulting - dnl binary. - LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_so" - dnl Potentially add DIR to rpathdirs. - dnl The rpathdirs will be appended to $LIBNAME at the end. - haveit= - for x in $rpathdirs; do - if test "X$x" = "X$found_dir"; then - haveit=yes - break - fi - done - if test -z "$haveit"; then - rpathdirs="$rpathdirs $found_dir" - fi - else - dnl Rely on "-L$found_dir". - dnl But don't add it if it's already contained in the LDFLAGS - dnl or the already constructed $LIBNAME - haveit= - for x in $LDFLAGS $LIB[]NAME; do - AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"]) - if test "X$x" = "X-L$found_dir"; then - haveit=yes - break - fi - done - if test -z "$haveit"; then - LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-L$found_dir" - fi - if test "$acl_hardcode_minus_L" != no; then - dnl FIXME: Not sure whether we should use - dnl "-L$found_dir -l$name" or "-L$found_dir $found_so" - dnl here. - LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_so" - else - dnl We cannot use $acl_hardcode_runpath_var and LD_RUN_PATH - dnl here, because this doesn't fit in flags passed to the - dnl compiler. So give up. No hardcoding. This affects only - dnl very old systems. - dnl FIXME: Not sure whether we should use - dnl "-L$found_dir -l$name" or "-L$found_dir $found_so" - dnl here. - LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-l$name" - fi - fi - fi - fi - else - if test "X$found_a" != "X"; then - dnl Linking with a static library. - LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_a" - else - dnl We shouldn't come here, but anyway it's good to have a - dnl fallback. - LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-L$found_dir -l$name" - fi - fi - dnl Assume the include files are nearby. - additional_includedir= - case "$found_dir" in - */$acl_libdirstem | */$acl_libdirstem/) - basedir=`echo "X$found_dir" | sed -e 's,^X,,' -e "s,/$acl_libdirstem/"'*$,,'` - if test "$name" = '$1'; then - LIB[]NAME[]_PREFIX="$basedir" - fi - additional_includedir="$basedir/include" - ;; - */$acl_libdirstem2 | */$acl_libdirstem2/) - basedir=`echo "X$found_dir" | sed -e 's,^X,,' -e "s,/$acl_libdirstem2/"'*$,,'` - if test "$name" = '$1'; then - LIB[]NAME[]_PREFIX="$basedir" - fi - additional_includedir="$basedir/include" - ;; - esac - if test "X$additional_includedir" != "X"; then - dnl Potentially add $additional_includedir to $INCNAME. - dnl But don't add it - dnl 1. if it's the standard /usr/include, - dnl 2. if it's /usr/local/include and we are using GCC on Linux, - dnl 3. if it's already present in $CPPFLAGS or the already - dnl constructed $INCNAME, - dnl 4. if it doesn't exist as a directory. - if test "X$additional_includedir" != "X/usr/include"; then - haveit= - if test "X$additional_includedir" = "X/usr/local/include"; then - if test -n "$GCC"; then - case $host_os in - linux* | gnu* | k*bsd*-gnu) haveit=yes;; - esac - fi - fi - if test -z "$haveit"; then - for x in $CPPFLAGS $INC[]NAME; do - AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"]) - if test "X$x" = "X-I$additional_includedir"; then - haveit=yes - break - fi - done - if test -z "$haveit"; then - if test -d "$additional_includedir"; then - dnl Really add $additional_includedir to $INCNAME. - INC[]NAME="${INC[]NAME}${INC[]NAME:+ }-I$additional_includedir" - fi - fi - fi - fi - fi - dnl Look for dependencies. - if test -n "$found_la"; then - dnl Read the .la file. It defines the variables - dnl dlname, library_names, old_library, dependency_libs, current, - dnl age, revision, installed, dlopen, dlpreopen, libdir. - save_libdir="$libdir" - case "$found_la" in - */* | *\\*) . "$found_la" ;; - *) . "./$found_la" ;; - esac - libdir="$save_libdir" - dnl We use only dependency_libs. - for dep in $dependency_libs; do - case "$dep" in - -L*) - additional_libdir=`echo "X$dep" | sed -e 's/^X-L//'` - dnl Potentially add $additional_libdir to $LIBNAME and $LTLIBNAME. - dnl But don't add it - dnl 1. if it's the standard /usr/lib, - dnl 2. if it's /usr/local/lib and we are using GCC on Linux, - dnl 3. if it's already present in $LDFLAGS or the already - dnl constructed $LIBNAME, - dnl 4. if it doesn't exist as a directory. - if test "X$additional_libdir" != "X/usr/$acl_libdirstem" \ - && test "X$additional_libdir" != "X/usr/$acl_libdirstem2"; then - haveit= - if test "X$additional_libdir" = "X/usr/local/$acl_libdirstem" \ - || test "X$additional_libdir" = "X/usr/local/$acl_libdirstem2"; then - if test -n "$GCC"; then - case $host_os in - linux* | gnu* | k*bsd*-gnu) haveit=yes;; - esac - fi - fi - if test -z "$haveit"; then - haveit= - for x in $LDFLAGS $LIB[]NAME; do - AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"]) - if test "X$x" = "X-L$additional_libdir"; then - haveit=yes - break - fi - done - if test -z "$haveit"; then - if test -d "$additional_libdir"; then - dnl Really add $additional_libdir to $LIBNAME. - LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-L$additional_libdir" - fi - fi - haveit= - for x in $LDFLAGS $LTLIB[]NAME; do - AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"]) - if test "X$x" = "X-L$additional_libdir"; then - haveit=yes - break - fi - done - if test -z "$haveit"; then - if test -d "$additional_libdir"; then - dnl Really add $additional_libdir to $LTLIBNAME. - LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }-L$additional_libdir" - fi - fi - fi - fi - ;; - -R*) - dir=`echo "X$dep" | sed -e 's/^X-R//'` - if test "$enable_rpath" != no; then - dnl Potentially add DIR to rpathdirs. - dnl The rpathdirs will be appended to $LIBNAME at the end. - haveit= - for x in $rpathdirs; do - if test "X$x" = "X$dir"; then - haveit=yes - break - fi - done - if test -z "$haveit"; then - rpathdirs="$rpathdirs $dir" - fi - dnl Potentially add DIR to ltrpathdirs. - dnl The ltrpathdirs will be appended to $LTLIBNAME at the end. - haveit= - for x in $ltrpathdirs; do - if test "X$x" = "X$dir"; then - haveit=yes - break - fi - done - if test -z "$haveit"; then - ltrpathdirs="$ltrpathdirs $dir" - fi - fi - ;; - -l*) - dnl Handle this in the next round. - names_next_round="$names_next_round "`echo "X$dep" | sed -e 's/^X-l//'` - ;; - *.la) - dnl Handle this in the next round. Throw away the .la's - dnl directory; it is already contained in a preceding -L - dnl option. - names_next_round="$names_next_round "`echo "X$dep" | sed -e 's,^X.*/,,' -e 's,^lib,,' -e 's,\.la$,,'` - ;; - *) - dnl Most likely an immediate library name. - LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$dep" - LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }$dep" - ;; - esac - done - fi - else - dnl Didn't find the library; assume it is in the system directories - dnl known to the linker and runtime loader. (All the system - dnl directories known to the linker should also be known to the - dnl runtime loader, otherwise the system is severely misconfigured.) - LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-l$name" - LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }-l$name" - fi - fi - fi - done - done - if test "X$rpathdirs" != "X"; then - if test -n "$acl_hardcode_libdir_separator"; then - dnl Weird platform: only the last -rpath option counts, the user must - dnl pass all path elements in one option. We can arrange that for a - dnl single library, but not when more than one $LIBNAMEs are used. - alldirs= - for found_dir in $rpathdirs; do - alldirs="${alldirs}${alldirs:+$acl_hardcode_libdir_separator}$found_dir" - done - dnl Note: acl_hardcode_libdir_flag_spec uses $libdir and $wl. - acl_save_libdir="$libdir" - libdir="$alldirs" - eval flag=\"$acl_hardcode_libdir_flag_spec\" - libdir="$acl_save_libdir" - LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$flag" - else - dnl The -rpath options are cumulative. - for found_dir in $rpathdirs; do - acl_save_libdir="$libdir" - libdir="$found_dir" - eval flag=\"$acl_hardcode_libdir_flag_spec\" - libdir="$acl_save_libdir" - LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$flag" - done - fi - fi - if test "X$ltrpathdirs" != "X"; then - dnl When using libtool, the option that works for both libraries and - dnl executables is -R. The -R options are cumulative. - for found_dir in $ltrpathdirs; do - LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }-R$found_dir" - done - fi - popdef([PACKLIBS]) - popdef([PACKUP]) - popdef([PACK]) - popdef([NAME]) -]) - -dnl AC_LIB_APPENDTOVAR(VAR, CONTENTS) appends the elements of CONTENTS to VAR, -dnl unless already present in VAR. -dnl Works only for CPPFLAGS, not for LIB* variables because that sometimes -dnl contains two or three consecutive elements that belong together. -AC_DEFUN([AC_LIB_APPENDTOVAR], -[ - for element in [$2]; do - haveit= - for x in $[$1]; do - AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"]) - if test "X$x" = "X$element"; then - haveit=yes - break - fi - done - if test -z "$haveit"; then - [$1]="${[$1]}${[$1]:+ }$element" - fi - done -]) - -dnl For those cases where a variable contains several -L and -l options -dnl referring to unknown libraries and directories, this macro determines the -dnl necessary additional linker options for the runtime path. -dnl AC_LIB_LINKFLAGS_FROM_LIBS([LDADDVAR], [LIBSVALUE], [USE-LIBTOOL]) -dnl sets LDADDVAR to linker options needed together with LIBSVALUE. -dnl If USE-LIBTOOL evaluates to non-empty, linking with libtool is assumed, -dnl otherwise linking without libtool is assumed. -AC_DEFUN([AC_LIB_LINKFLAGS_FROM_LIBS], -[ - AC_REQUIRE([AC_LIB_RPATH]) - AC_REQUIRE([AC_LIB_PREPARE_MULTILIB]) - $1= - if test "$enable_rpath" != no; then - if test -n "$acl_hardcode_libdir_flag_spec" && test "$acl_hardcode_minus_L" = no; then - dnl Use an explicit option to hardcode directories into the resulting - dnl binary. - rpathdirs= - next= - for opt in $2; do - if test -n "$next"; then - dir="$next" - dnl No need to hardcode the standard /usr/lib. - if test "X$dir" != "X/usr/$acl_libdirstem" \ - && test "X$dir" != "X/usr/$acl_libdirstem2"; then - rpathdirs="$rpathdirs $dir" - fi - next= - else - case $opt in - -L) next=yes ;; - -L*) dir=`echo "X$opt" | sed -e 's,^X-L,,'` - dnl No need to hardcode the standard /usr/lib. - if test "X$dir" != "X/usr/$acl_libdirstem" \ - && test "X$dir" != "X/usr/$acl_libdirstem2"; then - rpathdirs="$rpathdirs $dir" - fi - next= ;; - *) next= ;; - esac - fi - done - if test "X$rpathdirs" != "X"; then - if test -n ""$3""; then - dnl libtool is used for linking. Use -R options. - for dir in $rpathdirs; do - $1="${$1}${$1:+ }-R$dir" - done - else - dnl The linker is used for linking directly. - if test -n "$acl_hardcode_libdir_separator"; then - dnl Weird platform: only the last -rpath option counts, the user - dnl must pass all path elements in one option. - alldirs= - for dir in $rpathdirs; do - alldirs="${alldirs}${alldirs:+$acl_hardcode_libdir_separator}$dir" - done - acl_save_libdir="$libdir" - libdir="$alldirs" - eval flag=\"$acl_hardcode_libdir_flag_spec\" - libdir="$acl_save_libdir" - $1="$flag" - else - dnl The -rpath options are cumulative. - for dir in $rpathdirs; do - acl_save_libdir="$libdir" - libdir="$dir" - eval flag=\"$acl_hardcode_libdir_flag_spec\" - libdir="$acl_save_libdir" - $1="${$1}${$1:+ }$flag" - done - fi - fi - fi - fi - fi - AC_SUBST([$1]) -]) diff --git a/m4/lib-prefix.m4 b/m4/lib-prefix.m4 deleted file mode 100644 index 8adb17bb9..000000000 --- a/m4/lib-prefix.m4 +++ /dev/null @@ -1,249 +0,0 @@ -# lib-prefix.m4 serial 14 -dnl Copyright (C) 2001-2005, 2008-2019 Free Software Foundation, Inc. -dnl This file is free software; the Free Software Foundation -dnl gives unlimited permission to copy and/or distribute it, -dnl with or without modifications, as long as this notice is preserved. - -dnl From Bruno Haible. - -dnl AC_LIB_PREFIX adds to the CPPFLAGS and LDFLAGS the flags that are needed -dnl to access previously installed libraries. The basic assumption is that -dnl a user will want packages to use other packages he previously installed -dnl with the same --prefix option. -dnl This macro is not needed if only AC_LIB_LINKFLAGS is used to locate -dnl libraries, but is otherwise very convenient. -AC_DEFUN([AC_LIB_PREFIX], -[ - AC_BEFORE([$0], [AC_LIB_LINKFLAGS]) - AC_REQUIRE([AC_PROG_CC]) - AC_REQUIRE([AC_CANONICAL_HOST]) - AC_REQUIRE([AC_LIB_PREPARE_MULTILIB]) - AC_REQUIRE([AC_LIB_PREPARE_PREFIX]) - dnl By default, look in $includedir and $libdir. - use_additional=yes - AC_LIB_WITH_FINAL_PREFIX([ - eval additional_includedir=\"$includedir\" - eval additional_libdir=\"$libdir\" - ]) - AC_ARG_WITH([lib-prefix], -[[ --with-lib-prefix[=DIR] search for libraries in DIR/include and DIR/lib - --without-lib-prefix don't search for libraries in includedir and libdir]], -[ - if test "X$withval" = "Xno"; then - use_additional=no - else - if test "X$withval" = "X"; then - AC_LIB_WITH_FINAL_PREFIX([ - eval additional_includedir=\"$includedir\" - eval additional_libdir=\"$libdir\" - ]) - else - additional_includedir="$withval/include" - additional_libdir="$withval/$acl_libdirstem" - fi - fi -]) - if test $use_additional = yes; then - dnl Potentially add $additional_includedir to $CPPFLAGS. - dnl But don't add it - dnl 1. if it's the standard /usr/include, - dnl 2. if it's already present in $CPPFLAGS, - dnl 3. if it's /usr/local/include and we are using GCC on Linux, - dnl 4. if it doesn't exist as a directory. - if test "X$additional_includedir" != "X/usr/include"; then - haveit= - for x in $CPPFLAGS; do - AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"]) - if test "X$x" = "X-I$additional_includedir"; then - haveit=yes - break - fi - done - if test -z "$haveit"; then - if test "X$additional_includedir" = "X/usr/local/include"; then - if test -n "$GCC"; then - case $host_os in - linux* | gnu* | k*bsd*-gnu) haveit=yes;; - esac - fi - fi - if test -z "$haveit"; then - if test -d "$additional_includedir"; then - dnl Really add $additional_includedir to $CPPFLAGS. - CPPFLAGS="${CPPFLAGS}${CPPFLAGS:+ }-I$additional_includedir" - fi - fi - fi - fi - dnl Potentially add $additional_libdir to $LDFLAGS. - dnl But don't add it - dnl 1. if it's the standard /usr/lib, - dnl 2. if it's already present in $LDFLAGS, - dnl 3. if it's /usr/local/lib and we are using GCC on Linux, - dnl 4. if it doesn't exist as a directory. - if test "X$additional_libdir" != "X/usr/$acl_libdirstem"; then - haveit= - for x in $LDFLAGS; do - AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"]) - if test "X$x" = "X-L$additional_libdir"; then - haveit=yes - break - fi - done - if test -z "$haveit"; then - if test "X$additional_libdir" = "X/usr/local/$acl_libdirstem"; then - if test -n "$GCC"; then - case $host_os in - linux*) haveit=yes;; - esac - fi - fi - if test -z "$haveit"; then - if test -d "$additional_libdir"; then - dnl Really add $additional_libdir to $LDFLAGS. - LDFLAGS="${LDFLAGS}${LDFLAGS:+ }-L$additional_libdir" - fi - fi - fi - fi - fi -]) - -dnl AC_LIB_PREPARE_PREFIX creates variables acl_final_prefix, -dnl acl_final_exec_prefix, containing the values to which $prefix and -dnl $exec_prefix will expand at the end of the configure script. -AC_DEFUN([AC_LIB_PREPARE_PREFIX], -[ - dnl Unfortunately, prefix and exec_prefix get only finally determined - dnl at the end of configure. - if test "X$prefix" = "XNONE"; then - acl_final_prefix="$ac_default_prefix" - else - acl_final_prefix="$prefix" - fi - if test "X$exec_prefix" = "XNONE"; then - acl_final_exec_prefix='${prefix}' - else - acl_final_exec_prefix="$exec_prefix" - fi - acl_save_prefix="$prefix" - prefix="$acl_final_prefix" - eval acl_final_exec_prefix=\"$acl_final_exec_prefix\" - prefix="$acl_save_prefix" -]) - -dnl AC_LIB_WITH_FINAL_PREFIX([statement]) evaluates statement, with the -dnl variables prefix and exec_prefix bound to the values they will have -dnl at the end of the configure script. -AC_DEFUN([AC_LIB_WITH_FINAL_PREFIX], -[ - acl_save_prefix="$prefix" - prefix="$acl_final_prefix" - acl_save_exec_prefix="$exec_prefix" - exec_prefix="$acl_final_exec_prefix" - $1 - exec_prefix="$acl_save_exec_prefix" - prefix="$acl_save_prefix" -]) - -dnl AC_LIB_PREPARE_MULTILIB creates -dnl - a variable acl_libdirstem, containing the basename of the libdir, either -dnl "lib" or "lib64" or "lib/64", -dnl - a variable acl_libdirstem2, as a secondary possible value for -dnl acl_libdirstem, either the same as acl_libdirstem or "lib/sparcv9" or -dnl "lib/amd64". -AC_DEFUN([AC_LIB_PREPARE_MULTILIB], -[ - dnl There is no formal standard regarding lib and lib64. - dnl On glibc systems, the current practice is that on a system supporting - dnl 32-bit and 64-bit instruction sets or ABIs, 64-bit libraries go under - dnl $prefix/lib64 and 32-bit libraries go under $prefix/lib. We determine - dnl the compiler's default mode by looking at the compiler's library search - dnl path. If at least one of its elements ends in /lib64 or points to a - dnl directory whose absolute pathname ends in /lib64, we assume a 64-bit ABI. - dnl Otherwise we use the default, namely "lib". - dnl On Solaris systems, the current practice is that on a system supporting - dnl 32-bit and 64-bit instruction sets or ABIs, 64-bit libraries go under - dnl $prefix/lib/64 (which is a symlink to either $prefix/lib/sparcv9 or - dnl $prefix/lib/amd64) and 32-bit libraries go under $prefix/lib. - AC_REQUIRE([AC_CANONICAL_HOST]) - AC_REQUIRE([gl_HOST_CPU_C_ABI_32BIT]) - - case "$host_os" in - solaris*) - AC_CACHE_CHECK([for 64-bit host], [gl_cv_solaris_64bit], - [AC_COMPILE_IFELSE( - [AC_LANG_SOURCE( - [[#ifdef _LP64 - int ok; - #else - error fail - #endif - ]])], - [gl_cv_solaris_64bit=yes], - [gl_cv_solaris_64bit=no]) - ]);; - esac - - dnl Allow the user to override the result by setting acl_cv_libdirstems. - AC_CACHE_CHECK([for the common suffixes of directories in the library search path], - [acl_cv_libdirstems], - [acl_libdirstem=lib - acl_libdirstem2= - case "$host_os" in - solaris*) - dnl See Solaris 10 Software Developer Collection > Solaris 64-bit Developer's Guide > The Development Environment - dnl . - dnl "Portable Makefiles should refer to any library directories using the 64 symbolic link." - dnl But we want to recognize the sparcv9 or amd64 subdirectory also if the - dnl symlink is missing, so we set acl_libdirstem2 too. - if test $gl_cv_solaris_64bit = yes; then - acl_libdirstem=lib/64 - case "$host_cpu" in - sparc*) acl_libdirstem2=lib/sparcv9 ;; - i*86 | x86_64) acl_libdirstem2=lib/amd64 ;; - esac - fi - ;; - *) - dnl If $CC generates code for a 32-bit ABI, the libraries are - dnl surely under $prefix/lib, not $prefix/lib64. - if test "$HOST_CPU_C_ABI_32BIT" != yes; then - dnl The result is a property of the system. However, non-system - dnl compilers sometimes have odd library search paths. Therefore - dnl prefer asking /usr/bin/gcc, if available, rather than $CC. - searchpath=`(if test -f /usr/bin/gcc \ - && LC_ALL=C /usr/bin/gcc -print-search-dirs >/dev/null 2>/dev/null; then \ - LC_ALL=C /usr/bin/gcc -print-search-dirs; \ - else \ - LC_ALL=C $CC -print-search-dirs; \ - fi) 2>/dev/null \ - | sed -n -e 's,^libraries: ,,p' | sed -e 's,^=,,'` - if test -n "$searchpath"; then - acl_save_IFS="${IFS= }"; IFS=":" - for searchdir in $searchpath; do - if test -d "$searchdir"; then - case "$searchdir" in - */lib64/ | */lib64 ) acl_libdirstem=lib64 ;; - */../ | */.. ) - # Better ignore directories of this form. They are misleading. - ;; - *) searchdir=`cd "$searchdir" && pwd` - case "$searchdir" in - */lib64 ) acl_libdirstem=lib64 ;; - esac ;; - esac - fi - done - IFS="$acl_save_IFS" - fi - fi - ;; - esac - test -n "$acl_libdirstem2" || acl_libdirstem2="$acl_libdirstem" - acl_cv_libdirstems="$acl_libdirstem,$acl_libdirstem2" - ]) - # Decompose acl_cv_libdirstems into acl_libdirstem and acl_libdirstem2. - acl_libdirstem=`echo "$acl_cv_libdirstems" | sed -e 's/,.*//'` - acl_libdirstem2=`echo "$acl_cv_libdirstems" | sed -e '/,/s/.*,//'` -]) diff --git a/m4/limits-h.m4 b/m4/limits-h.m4 index 68f724c77..0b4f092a4 100644 --- a/m4/limits-h.m4 +++ b/m4/limits-h.m4 @@ -1,6 +1,6 @@ dnl Check whether limits.h has needed features. -dnl Copyright 2016-2019 Free Software Foundation, Inc. +dnl Copyright 2016-2020 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. diff --git a/m4/localcharset.m4 b/m4/localcharset.m4 index 2a7f82d06..9d21c4f90 100644 --- a/m4/localcharset.m4 +++ b/m4/localcharset.m4 @@ -1,5 +1,5 @@ # localcharset.m4 serial 8 -dnl Copyright (C) 2002, 2004, 2006, 2009-2019 Free Software Foundation, Inc. +dnl Copyright (C) 2002, 2004, 2006, 2009-2020 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. diff --git a/m4/locale-fr.m4 b/m4/locale-fr.m4 index cfa068d59..5abe05220 100644 --- a/m4/locale-fr.m4 +++ b/m4/locale-fr.m4 @@ -1,5 +1,5 @@ # locale-fr.m4 serial 19 -dnl Copyright (C) 2003, 2005-2019 Free Software Foundation, Inc. +dnl Copyright (C) 2003, 2005-2020 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. diff --git a/m4/locale-ja.m4 b/m4/locale-ja.m4 index 487f68bdc..0982ab1ba 100644 --- a/m4/locale-ja.m4 +++ b/m4/locale-ja.m4 @@ -1,5 +1,5 @@ # locale-ja.m4 serial 14 -dnl Copyright (C) 2003, 2005-2019 Free Software Foundation, Inc. +dnl Copyright (C) 2003, 2005-2020 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. diff --git a/m4/locale-zh.m4 b/m4/locale-zh.m4 index 8b813263a..cde51403a 100644 --- a/m4/locale-zh.m4 +++ b/m4/locale-zh.m4 @@ -1,5 +1,5 @@ # locale-zh.m4 serial 14 -dnl Copyright (C) 2003, 2005-2019 Free Software Foundation, Inc. +dnl Copyright (C) 2003, 2005-2020 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. diff --git a/m4/locale_h.m4 b/m4/locale_h.m4 new file mode 100644 index 000000000..32494cf22 --- /dev/null +++ b/m4/locale_h.m4 @@ -0,0 +1,158 @@ +# locale_h.m4 serial 24 +dnl Copyright (C) 2007, 2009-2020 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_LOCALE_H], +[ + dnl Use AC_REQUIRE here, so that the default behavior below is expanded + dnl once only, before all statements that occur in other macros. + AC_REQUIRE([gl_LOCALE_H_DEFAULTS]) + + dnl Persuade glibc to define locale_t and the int_p_*, int_n_* + dnl members of 'struct lconv'. + AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS]) + + dnl If is replaced, then must also be replaced. + AC_REQUIRE([gl_STDDEF_H]) + + AC_REQUIRE([gl_LOCALE_T]) + + dnl Solaris 11.0 defines the int_p_*, int_n_* members of 'struct lconv' + dnl only if _LCONV_C99 is defined. + AC_REQUIRE([AC_CANONICAL_HOST]) + case "$host_os" in + solaris*) + AC_DEFINE([_LCONV_C99], [1], [Define to 1 on Solaris.]) + ;; + esac + + AC_CACHE_CHECK([whether locale.h conforms to POSIX:2001], + [gl_cv_header_locale_h_posix2001], + [AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM( + [[#include + int x = LC_MESSAGES; + int y = sizeof (((struct lconv *) 0)->decimal_point);]], + [[]])], + [gl_cv_header_locale_h_posix2001=yes], + [gl_cv_header_locale_h_posix2001=no])]) + + dnl Check whether 'struct lconv' is complete. + dnl Bionic libc's 'struct lconv' is just a dummy. + dnl On OpenBSD 4.9, HP-UX 11, IRIX 6.5, OSF/1 5.1, Solaris 9, Cygwin 1.5.x, + dnl mingw, MSVC 9, it lacks the int_p_* and int_n_* members. + AC_CACHE_CHECK([whether struct lconv is properly defined], + [gl_cv_sys_struct_lconv_ok], + [AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM( + [[#include + struct lconv l; + int x = sizeof (l.decimal_point); + int y = sizeof (l.int_p_cs_precedes);]], + [[]])], + [gl_cv_sys_struct_lconv_ok=yes], + [gl_cv_sys_struct_lconv_ok=no]) + ]) + if test $gl_cv_sys_struct_lconv_ok = no; then + dnl On native Windows with MSVC, merely define these member names as macros. + dnl This avoids trouble in C++ mode. + case "$host_os" in + mingw*) + AC_EGREP_CPP([Special], [ +#ifdef _MSC_VER + Special +#endif + ], + [], + [REPLACE_STRUCT_LCONV=1]) + ;; + *) REPLACE_STRUCT_LCONV=1 ;; + esac + fi + + dnl is always overridden, because of GNULIB_POSIXCHECK. + gl_NEXT_HEADERS([locale.h]) + + dnl Check for declarations of anything we want to poison if the + dnl corresponding gnulib module is not in use. + gl_WARN_ON_USE_PREPARE([[#include +/* Some systems provide declarations in a non-standard header. */ +#if HAVE_XLOCALE_H +# include +#endif + ]], + [setlocale newlocale duplocale freelocale]) +]) + +dnl Checks to determine whether the system has the locale_t type, +dnl and how to obtain it. +AC_DEFUN([gl_LOCALE_T], +[ + dnl Persuade glibc and Solaris to define locale_t. + AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS]) + + dnl Check whether use of locale_t requires inclusion of , + dnl e.g. on Mac OS X 10.5. If does not define locale_t by + dnl itself, we assume that will do so. + AC_CACHE_CHECK([whether locale.h defines locale_t], + [gl_cv_header_locale_has_locale_t], + [AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM( + [[#include + locale_t x;]], + [[]])], + [gl_cv_header_locale_has_locale_t=yes], + [gl_cv_header_locale_has_locale_t=no]) + ]) + + dnl Check for . + AC_CHECK_HEADERS_ONCE([xlocale.h]) + if test $ac_cv_header_xlocale_h = yes; then + HAVE_XLOCALE_H=1 + if test $gl_cv_header_locale_has_locale_t = yes; then + gl_cv_header_locale_h_needs_xlocale_h=no + else + gl_cv_header_locale_h_needs_xlocale_h=yes + fi + HAVE_LOCALE_T=1 + else + HAVE_XLOCALE_H=0 + gl_cv_header_locale_h_needs_xlocale_h=no + if test $gl_cv_header_locale_has_locale_t = yes; then + HAVE_LOCALE_T=1 + else + HAVE_LOCALE_T=0 + fi + fi + AC_SUBST([HAVE_XLOCALE_H]) +]) + +AC_DEFUN([gl_LOCALE_MODULE_INDICATOR], +[ + dnl Use AC_REQUIRE here, so that the default settings are expanded once only. + AC_REQUIRE([gl_LOCALE_H_DEFAULTS]) + gl_MODULE_INDICATOR_SET_VARIABLE([$1]) + dnl Define it also as a C macro, for the benefit of the unit tests. + gl_MODULE_INDICATOR_FOR_TESTS([$1]) +]) + +AC_DEFUN([gl_LOCALE_H_DEFAULTS], +[ + GNULIB_LOCALECONV=0; AC_SUBST([GNULIB_LOCALECONV]) + GNULIB_SETLOCALE=0; AC_SUBST([GNULIB_SETLOCALE]) + GNULIB_SETLOCALE_NULL=0; AC_SUBST([GNULIB_SETLOCALE_NULL]) + GNULIB_DUPLOCALE=0; AC_SUBST([GNULIB_DUPLOCALE]) + GNULIB_LOCALENAME=0; AC_SUBST([GNULIB_LOCALENAME]) + dnl Assume proper GNU behavior unless another module says otherwise. + HAVE_NEWLOCALE=1; AC_SUBST([HAVE_NEWLOCALE]) + HAVE_DUPLOCALE=1; AC_SUBST([HAVE_DUPLOCALE]) + HAVE_FREELOCALE=1; AC_SUBST([HAVE_FREELOCALE]) + REPLACE_LOCALECONV=0; AC_SUBST([REPLACE_LOCALECONV]) + REPLACE_SETLOCALE=0; AC_SUBST([REPLACE_SETLOCALE]) + REPLACE_NEWLOCALE=0; AC_SUBST([REPLACE_NEWLOCALE]) + REPLACE_DUPLOCALE=0; AC_SUBST([REPLACE_DUPLOCALE]) + REPLACE_FREELOCALE=0; AC_SUBST([REPLACE_FREELOCALE]) + REPLACE_STRUCT_LCONV=0; AC_SUBST([REPLACE_STRUCT_LCONV]) +]) diff --git a/m4/localtime-buffer.m4 b/m4/localtime-buffer.m4 index 6d9982879..09df3c97f 100644 --- a/m4/localtime-buffer.m4 +++ b/m4/localtime-buffer.m4 @@ -1,5 +1,5 @@ # localtime-buffer.m4 serial 1 -dnl Copyright (C) 2017-2019 Free Software Foundation, Inc. +dnl Copyright (C) 2017-2020 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. diff --git a/m4/lock.m4 b/m4/lock.m4 deleted file mode 100644 index 93b76fa44..000000000 --- a/m4/lock.m4 +++ /dev/null @@ -1,47 +0,0 @@ -# lock.m4 serial 14 -dnl Copyright (C) 2005-2019 Free Software Foundation, Inc. -dnl This file is free software; the Free Software Foundation -dnl gives unlimited permission to copy and/or distribute it, -dnl with or without modifications, as long as this notice is preserved. - -dnl From Bruno Haible. - -AC_DEFUN([gl_LOCK], -[ - AC_REQUIRE([gl_THREADLIB]) - if test "$gl_threads_api" = posix; then - # OSF/1 4.0 and Mac OS X 10.1 lack the pthread_rwlock_t type and the - # pthread_rwlock_* functions. - has_rwlock=false - AC_CHECK_TYPE([pthread_rwlock_t], - [has_rwlock=true - AC_DEFINE([HAVE_PTHREAD_RWLOCK], [1], - [Define if the POSIX multithreading library has read/write locks.])], - [], - [#include ]) - if $has_rwlock; then - gl_PTHREAD_RWLOCK_RDLOCK_PREFER_WRITER - fi - # glibc defines PTHREAD_MUTEX_RECURSIVE as enum, not as a macro. - AC_COMPILE_IFELSE([ - AC_LANG_PROGRAM( - [[#include ]], - [[ -#if __FreeBSD__ == 4 -error "No, in FreeBSD 4.0 recursive mutexes actually don't work." -#elif (defined __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ \ - && __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ < 1070) -error "No, in Mac OS X < 10.7 recursive mutexes actually don't work." -#else -int x = (int)PTHREAD_MUTEX_RECURSIVE; -return !x; -#endif - ]])], - [AC_DEFINE([HAVE_PTHREAD_MUTEX_RECURSIVE], [1], - [Define if the defines PTHREAD_MUTEX_RECURSIVE.])]) - fi - gl_PREREQ_LOCK -]) - -# Prerequisites of lib/glthread/lock.c. -AC_DEFUN([gl_PREREQ_LOCK], [:]) diff --git a/m4/longlong.m4 b/m4/longlong.m4 deleted file mode 100644 index 08d0e3630..000000000 --- a/m4/longlong.m4 +++ /dev/null @@ -1,113 +0,0 @@ -# longlong.m4 serial 18 -dnl Copyright (C) 1999-2007, 2009-2019 Free Software Foundation, Inc. -dnl This file is free software; the Free Software Foundation -dnl gives unlimited permission to copy and/or distribute it, -dnl with or without modifications, as long as this notice is preserved. - -dnl From Paul Eggert. - -AC_PREREQ([2.62]) - -# Define HAVE_LONG_LONG_INT if 'long long int' works. -# This can be faster than what's in Autoconf 2.62 through 2.68. - -# Note: If the type 'long long int' exists but is only 32 bits large -# (as on some very old compilers), HAVE_LONG_LONG_INT will not be -# defined. In this case you can treat 'long long int' like 'long int'. - -AC_DEFUN([AC_TYPE_LONG_LONG_INT], -[ - AC_REQUIRE([AC_TYPE_UNSIGNED_LONG_LONG_INT]) - AC_CACHE_CHECK([for long long int], [ac_cv_type_long_long_int], - [ac_cv_type_long_long_int=yes - if test "x${ac_cv_prog_cc_c99-no}" = xno; then - ac_cv_type_long_long_int=$ac_cv_type_unsigned_long_long_int - if test $ac_cv_type_long_long_int = yes; then - dnl Catch a bug in Tandem NonStop Kernel (OSS) cc -O circa 2004. - dnl If cross compiling, assume the bug is not important, since - dnl nobody cross compiles for this platform as far as we know. - AC_RUN_IFELSE( - [AC_LANG_PROGRAM( - [[@%:@include - @%:@ifndef LLONG_MAX - @%:@ define HALF \ - (1LL << (sizeof (long long int) * CHAR_BIT - 2)) - @%:@ define LLONG_MAX (HALF - 1 + HALF) - @%:@endif]], - [[long long int n = 1; - int i; - for (i = 0; ; i++) - { - long long int m = n << i; - if (m >> i != n) - return 1; - if (LLONG_MAX / 2 < m) - break; - } - return 0;]])], - [], - [ac_cv_type_long_long_int=no], - [:]) - fi - fi]) - if test $ac_cv_type_long_long_int = yes; then - AC_DEFINE([HAVE_LONG_LONG_INT], [1], - [Define to 1 if the system has the type 'long long int'.]) - fi -]) - -# Define HAVE_UNSIGNED_LONG_LONG_INT if 'unsigned long long int' works. -# This can be faster than what's in Autoconf 2.62 through 2.68. - -# Note: If the type 'unsigned long long int' exists but is only 32 bits -# large (as on some very old compilers), AC_TYPE_UNSIGNED_LONG_LONG_INT -# will not be defined. In this case you can treat 'unsigned long long int' -# like 'unsigned long int'. - -AC_DEFUN([AC_TYPE_UNSIGNED_LONG_LONG_INT], -[ - AC_CACHE_CHECK([for unsigned long long int], - [ac_cv_type_unsigned_long_long_int], - [ac_cv_type_unsigned_long_long_int=yes - if test "x${ac_cv_prog_cc_c99-no}" = xno; then - AC_LINK_IFELSE( - [_AC_TYPE_LONG_LONG_SNIPPET], - [], - [ac_cv_type_unsigned_long_long_int=no]) - fi]) - if test $ac_cv_type_unsigned_long_long_int = yes; then - AC_DEFINE([HAVE_UNSIGNED_LONG_LONG_INT], [1], - [Define to 1 if the system has the type 'unsigned long long int'.]) - fi -]) - -# Expands to a C program that can be used to test for simultaneous support -# of 'long long' and 'unsigned long long'. We don't want to say that -# 'long long' is available if 'unsigned long long' is not, or vice versa, -# because too many programs rely on the symmetry between signed and unsigned -# integer types (excluding 'bool'). -AC_DEFUN([_AC_TYPE_LONG_LONG_SNIPPET], -[ - AC_LANG_PROGRAM( - [[/* For now, do not test the preprocessor; as of 2007 there are too many - implementations with broken preprocessors. Perhaps this can - be revisited in 2012. In the meantime, code should not expect - #if to work with literals wider than 32 bits. */ - /* Test literals. */ - long long int ll = 9223372036854775807ll; - long long int nll = -9223372036854775807LL; - unsigned long long int ull = 18446744073709551615ULL; - /* Test constant expressions. */ - typedef int a[((-9223372036854775807LL < 0 && 0 < 9223372036854775807ll) - ? 1 : -1)]; - typedef int b[(18446744073709551615ULL <= (unsigned long long int) -1 - ? 1 : -1)]; - int i = 63;]], - [[/* Test availability of runtime routines for shift and division. */ - long long int llmax = 9223372036854775807ll; - unsigned long long int ullmax = 18446744073709551615ull; - return ((ll << 63) | (ll >> 63) | (ll < i) | (ll > i) - | (llmax / ll) | (llmax % ll) - | (ull << 63) | (ull >> 63) | (ull << i) | (ull >> i) - | (ullmax / ull) | (ullmax % ull));]]) -]) diff --git a/m4/lstat.m4 b/m4/lstat.m4 index ace163867..3c2b214b8 100644 --- a/m4/lstat.m4 +++ b/m4/lstat.m4 @@ -1,6 +1,6 @@ -# serial 32 +# serial 33 -# Copyright (C) 1997-2001, 2003-2019 Free Software Foundation, Inc. +# Copyright (C) 1997-2001, 2003-2020 Free Software Foundation, Inc. # # This file is free software; the Free Software Foundation # gives unlimited permission to copy and/or distribute it, @@ -63,8 +63,8 @@ AC_DEFUN([gl_FUNC_LSTAT_FOLLOWS_SLASHED_SYMLINK], # Guess no on native Windows. gl_cv_func_lstat_dereferences_slashed_symlink="guessing no" ;; *) - # If we don't know, assume the worst. - gl_cv_func_lstat_dereferences_slashed_symlink="guessing no" ;; + # If we don't know, obey --enable-cross-guesses. + gl_cv_func_lstat_dereferences_slashed_symlink="$gl_cross_guess_normal" ;; esac ]) rm -f conftest.sym conftest.file diff --git a/m4/malloc.m4 b/m4/malloc.m4 index c469c4508..c1f8ea32f 100644 --- a/m4/malloc.m4 +++ b/m4/malloc.m4 @@ -1,11 +1,9 @@ -# malloc.m4 serial 19 -dnl Copyright (C) 2007, 2009-2019 Free Software Foundation, Inc. +# malloc.m4 serial 20 +dnl Copyright (C) 2007, 2009-2020 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. -m4_version_prereq([2.70], [] ,[ - # This is adapted with modifications from upstream Autoconf here: # https://git.savannah.gnu.org/cgit/autoconf.git/commit/?id=04be2b7a29d65d9a08e64e8e56e594c91749598c AC_DEFUN([_AC_FUNC_MALLOC_IF], @@ -35,8 +33,8 @@ AC_DEFUN([_AC_FUNC_MALLOC_IF], *-gnu* | gnu* | *-musl* | freebsd* | netbsd* | openbsd* \ | hpux* | solaris* | cygwin* | mingw*) ac_cv_func_malloc_0_nonnull="guessing yes" ;; - # If we don't know, assume the worst. - *) ac_cv_func_malloc_0_nonnull="guessing no" ;; + # If we don't know, obey --enable-cross-guesses. + *) ac_cv_func_malloc_0_nonnull="$gl_cross_guess_normal" ;; esac ]) ]) @@ -50,8 +48,6 @@ AC_DEFUN([_AC_FUNC_MALLOC_IF], esac ])# _AC_FUNC_MALLOC_IF -]) - # gl_FUNC_MALLOC_GNU # ------------------ # Test whether 'malloc (0)' is handled like in GNU libc, and replace malloc if diff --git a/m4/malloca.m4 b/m4/malloca.m4 index 820f40a8a..930199da1 100644 --- a/m4/malloca.m4 +++ b/m4/malloca.m4 @@ -1,5 +1,5 @@ -# malloca.m4 serial 1 -dnl Copyright (C) 2003-2004, 2006-2007, 2009-2019 Free Software Foundation, +# malloca.m4 serial 2 +dnl Copyright (C) 2003-2004, 2006-2007, 2009-2020 Free Software Foundation, dnl Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -11,5 +11,4 @@ AC_DEFUN([gl_MALLOCA], dnl @ALLOCA@ and @LTALLOCA@. dnl gl_FUNC_ALLOCA dnl Already brought in by the module dependencies. AC_REQUIRE([gl_EEMALLOC]) - AC_REQUIRE([AC_TYPE_LONG_LONG_INT]) ]) diff --git a/m4/math_h.m4 b/m4/math_h.m4 index 3d5af84f5..1d0169f7c 100644 --- a/m4/math_h.m4 +++ b/m4/math_h.m4 @@ -1,5 +1,5 @@ # math_h.m4 serial 119 -dnl Copyright (C) 2007-2019 Free Software Foundation, Inc. +dnl Copyright (C) 2007-2020 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. diff --git a/m4/mbrtowc.m4 b/m4/mbrtowc.m4 index 4811af5d0..755f8c905 100644 --- a/m4/mbrtowc.m4 +++ b/m4/mbrtowc.m4 @@ -1,5 +1,5 @@ -# mbrtowc.m4 serial 31 -*- coding: utf-8 -*- -dnl Copyright (C) 2001-2002, 2004-2005, 2008-2019 Free Software Foundation, +# mbrtowc.m4 serial 37 -*- coding: utf-8 -*- +dnl Copyright (C) 2001-2002, 2004-2005, 2008-2020 Free Software Foundation, dnl Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -8,6 +8,8 @@ dnl with or without modifications, as long as this notice is preserved. AC_DEFUN([gl_FUNC_MBRTOWC], [ AC_REQUIRE([gl_WCHAR_H_DEFAULTS]) + AC_REQUIRE([gl_PTHREADLIB]) + AC_CHECK_HEADERS_ONCE([threads.h]) AC_REQUIRE([AC_TYPE_MBSTATE_T]) gl_MBSTATE_T_BROKEN @@ -39,6 +41,7 @@ AC_DEFUN([gl_FUNC_MBRTOWC], gl_MBRTOWC_NULL_ARG2 gl_MBRTOWC_RETVAL gl_MBRTOWC_NUL_RETVAL + gl_MBRTOWC_STORES_INCOMPLETE gl_MBRTOWC_EMPTY_INPUT gl_MBRTOWC_C_LOCALE case "$gl_cv_func_mbrtowc_null_arg1" in @@ -69,6 +72,13 @@ AC_DEFUN([gl_FUNC_MBRTOWC], REPLACE_MBRTOWC=1 ;; esac + case "$gl_cv_func_mbrtowc_stores_incomplete" in + *no) ;; + *) AC_DEFINE([MBRTOWC_STORES_INCOMPLETE_BUG], [1], + [Define if the mbrtowc function stores a wide character when reporting incomplete input.]) + REPLACE_MBRTOWC=1 + ;; + esac case "$gl_cv_func_mbrtowc_empty_input" in *yes) ;; *) AC_DEFINE([MBRTOWC_EMPTY_INPUT_BUG], [1], @@ -77,15 +87,32 @@ AC_DEFUN([gl_FUNC_MBRTOWC], REPLACE_MBRTOWC=1 ;; esac - case $gl_cv_C_locale_sans_EILSEQ in + case "$gl_cv_func_mbrtowc_C_locale_sans_EILSEQ" in *yes) ;; - *) AC_DEFINE([C_LOCALE_MAYBE_EILSEQ], [1], - [Define to 1 if the C locale may have encoding errors.]) + *) AC_DEFINE([MBRTOWC_IN_C_LOCALE_MAYBE_EILSEQ], [1], + [Define if the mbrtowc function may signal encoding errors in the C locale.]) REPLACE_MBRTOWC=1 ;; esac fi fi + if test $REPLACE_MBSTATE_T = 1; then + case "$host_os" in + mingw*) LIB_MBRTOWC= ;; + *) + gl_WEAK_SYMBOLS + case "$gl_cv_have_weak" in + *yes) LIB_MBRTOWC= ;; + *) LIB_MBRTOWC="$LIBPTHREAD" ;; + esac + ;; + esac + else + LIB_MBRTOWC= + fi + dnl LIB_MBRTOWC is expected to be '-pthread' or '-lpthread' on AIX + dnl with gcc or xlc, and empty otherwise. + AC_SUBST([LIB_MBRTOWC]) ]) dnl Test whether mbsinit() and mbrtowc() need to be overridden in a way that @@ -97,11 +124,19 @@ dnl avoid inconsistencies. AC_DEFUN([gl_MBSTATE_T_BROKEN], [ AC_REQUIRE([gl_WCHAR_H_DEFAULTS]) + AC_REQUIRE([AC_CANONICAL_HOST]) AC_REQUIRE([AC_TYPE_MBSTATE_T]) AC_CHECK_FUNCS_ONCE([mbsinit]) AC_CHECK_FUNCS_ONCE([mbrtowc]) - if test $ac_cv_func_mbsinit = yes && test $ac_cv_func_mbrtowc = yes; then + dnl On native Windows, we know exactly how mbsinit() behaves and don't need + dnl to override it, even if - like on MSVC - mbsinit() is only defined as + dnl an inline function, not as a global function. + if case "$host_os" in + mingw*) true ;; + *) test $ac_cv_func_mbsinit = yes ;; + esac \ + && test $ac_cv_func_mbrtowc = yes; then gl_MBRTOWC_INCOMPLETE_STATE gl_MBRTOWC_SANITYCHECK REPLACE_MBSTATE_T=0 @@ -126,6 +161,7 @@ AC_DEFUN([gl_MBRTOWC_INCOMPLETE_STATE], [ AC_REQUIRE([AC_PROG_CC]) AC_REQUIRE([gt_LOCALE_JA]) + AC_REQUIRE([gt_LOCALE_FR_UTF8]) AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles AC_CACHE_CHECK([whether mbrtowc handles incomplete characters], [gl_cv_func_mbrtowc_incomplete_state], @@ -171,6 +207,39 @@ int main () [gl_cv_func_mbrtowc_incomplete_state=yes], [gl_cv_func_mbrtowc_incomplete_state=no], [:]) + else + if test $LOCALE_FR_UTF8 != none; then + AC_RUN_IFELSE( + [AC_LANG_SOURCE([[ +#include +#include +/* Tru64 with Desktop Toolkit C has a bug: must be included before + . + BSD/OS 4.0.1 has a bug: , and must be + included before . */ +#include +#include +#include +#include +int main () +{ + if (setlocale (LC_ALL, "$LOCALE_FR_UTF8") != NULL) + { + const char input[] = "B\303\274\303\237er"; /* "Büßer" */ + mbstate_t state; + wchar_t wc; + + memset (&state, '\0', sizeof (mbstate_t)); + if (mbrtowc (&wc, input + 1, 1, &state) == (size_t)(-2)) + if (mbsinit (&state)) + return 2; + } + return 0; +}]])], + [gl_cv_func_mbrtowc_incomplete_state=yes], + [gl_cv_func_mbrtowc_incomplete_state=no], + [:]) + fi fi ]) ]) @@ -550,6 +619,126 @@ int main () ]) ]) +dnl Test whether mbrtowc stores a wide character when reporting incomplete +dnl input. + +AC_DEFUN([gl_MBRTOWC_STORES_INCOMPLETE], +[ + AC_REQUIRE([AC_PROG_CC]) + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + AC_CACHE_CHECK([whether mbrtowc stores incomplete characters], + [gl_cv_func_mbrtowc_stores_incomplete], + [ + dnl Initial guess, used when cross-compiling or when no suitable locale + dnl is present. +changequote(,)dnl + case "$host_os" in + # Guess yes on native Windows. + mingw*) gl_cv_func_mbrtowc_stores_incomplete="guessing yes" ;; + *) gl_cv_func_mbrtowc_stores_incomplete="guessing no" ;; + esac +changequote([,])dnl + case "$host_os" in + mingw*) + AC_RUN_IFELSE( + [AC_LANG_SOURCE([[ +#include +#include +/* Tru64 with Desktop Toolkit C has a bug: must be included before + . + BSD/OS 4.0.1 has a bug: , and must be + included before . */ +#include +#include +#include +#include +int main () +{ + int result = 0; + if (setlocale (LC_ALL, "French_France.65001") != NULL) + { + wchar_t wc = (wchar_t) 0xBADFACE; + mbstate_t state; + + memset (&state, '\0', sizeof (mbstate_t)); + if (mbrtowc (&wc, "\303", 1, &state) == (size_t)(-2) + && wc != (wchar_t) 0xBADFACE) + result |= 1; + } + if (setlocale (LC_ALL, "Japanese_Japan.932") != NULL) + { + wchar_t wc = (wchar_t) 0xBADFACE; + mbstate_t state; + + memset (&state, '\0', sizeof (mbstate_t)); + if (mbrtowc (&wc, "\226", 1, &state) == (size_t)(-2) + && wc != (wchar_t) 0xBADFACE) + result |= 2; + } + if (setlocale (LC_ALL, "Chinese_Taiwan.950") != NULL) + { + wchar_t wc = (wchar_t) 0xBADFACE; + mbstate_t state; + + memset (&state, '\0', sizeof (mbstate_t)); + if (mbrtowc (&wc, "\245", 1, &state) == (size_t)(-2) + && wc != (wchar_t) 0xBADFACE) + result |= 4; + } + if (setlocale (LC_ALL, "Chinese_China.936") != NULL) + { + wchar_t wc = (wchar_t) 0xBADFACE; + mbstate_t state; + + memset (&state, '\0', sizeof (mbstate_t)); + if (mbrtowc (&wc, "\261", 1, &state) == (size_t)(-2) + && wc != (wchar_t) 0xBADFACE) + result |= 8; + } + return result; +}]])], + [gl_cv_func_mbrtowc_stores_incomplete=no], + [gl_cv_func_mbrtowc_stores_incomplete=yes], + [:]) + ;; + *) + AC_REQUIRE([gt_LOCALE_FR_UTF8]) + if test $LOCALE_FR_UTF8 != none; then + AC_RUN_IFELSE( + [AC_LANG_SOURCE([[ +#include +#include +/* Tru64 with Desktop Toolkit C has a bug: must be included before + . + BSD/OS 4.0.1 has a bug: , and must be + included before . */ +#include +#include +#include +#include +int main () +{ + if (setlocale (LC_ALL, "$LOCALE_FR_UTF8") != NULL) + { + wchar_t wc = (wchar_t) 0xBADFACE; + mbstate_t state; + + memset (&state, '\0', sizeof (mbstate_t)); + if (mbrtowc (&wc, "\303", 1, &state) == (size_t)(-2) + && wc != (wchar_t) 0xBADFACE) + return 1; + } + return 0; +}]])], + [gl_cv_func_mbrtowc_stores_incomplete=no], + [gl_cv_func_mbrtowc_stores_incomplete=yes], + [:]) + fi + ;; + esac + ]) +]) + dnl Test whether mbrtowc returns the correct value on empty input. AC_DEFUN([gl_MBRTOWC_EMPTY_INPUT], @@ -595,11 +784,11 @@ AC_DEFUN([gl_MBRTOWC_C_LOCALE], [ AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles AC_CACHE_CHECK([whether the C locale is free of encoding errors], - [gl_cv_C_locale_sans_EILSEQ], + [gl_cv_func_mbrtowc_C_locale_sans_EILSEQ], [ dnl Initial guess, used when cross-compiling or when no suitable locale dnl is present. - gl_cv_C_locale_sans_EILSEQ="guessing no" + gl_cv_func_mbrtowc_C_locale_sans_EILSEQ="$gl_cross_guess_normal" AC_RUN_IFELSE( [AC_LANG_PROGRAM( @@ -622,22 +811,28 @@ AC_DEFUN([gl_MBRTOWC_C_LOCALE], } return 0; ]])], - [gl_cv_C_locale_sans_EILSEQ=yes], - [gl_cv_C_locale_sans_EILSEQ=no], + [gl_cv_func_mbrtowc_C_locale_sans_EILSEQ=yes], + [gl_cv_func_mbrtowc_C_locale_sans_EILSEQ=no], [case "$host_os" in # Guess yes on native Windows. - mingw*) gl_cv_C_locale_sans_EILSEQ="guessing yes" ;; + mingw*) gl_cv_func_mbrtowc_C_locale_sans_EILSEQ="guessing yes" ;; esac ]) ]) ]) -# Prerequisites of lib/mbrtowc.c. +# Prerequisites of lib/mbrtowc.c and lib/lc-charset-dispatch.c. AC_DEFUN([gl_PREREQ_MBRTOWC], [ AC_REQUIRE([AC_C_INLINE]) : ]) +# Prerequisites of lib/mbtowc-lock.c. +AC_DEFUN([gl_PREREQ_MBTOWC_LOCK], +[ + gl_VISIBILITY +]) + dnl From Paul Eggert diff --git a/m4/mbsinit.m4 b/m4/mbsinit.m4 index e2f45e75a..8c26b6b97 100644 --- a/m4/mbsinit.m4 +++ b/m4/mbsinit.m4 @@ -1,5 +1,5 @@ # mbsinit.m4 serial 8 -dnl Copyright (C) 2008, 2010-2019 Free Software Foundation, Inc. +dnl Copyright (C) 2008, 2010-2020 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. diff --git a/m4/mbstate_t.m4 b/m4/mbstate_t.m4 index f669753c0..057ce12eb 100644 --- a/m4/mbstate_t.m4 +++ b/m4/mbstate_t.m4 @@ -1,5 +1,5 @@ # mbstate_t.m4 serial 13 -dnl Copyright (C) 2000-2002, 2008-2019 Free Software Foundation, Inc. +dnl Copyright (C) 2000-2002, 2008-2020 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. diff --git a/m4/memchr.m4 b/m4/memchr.m4 index 0be394db4..91eec88e0 100644 --- a/m4/memchr.m4 +++ b/m4/memchr.m4 @@ -1,5 +1,5 @@ -# memchr.m4 serial 14 -dnl Copyright (C) 2002-2004, 2009-2019 Free Software Foundation, Inc. +# memchr.m4 serial 15 +dnl Copyright (C) 2002-2004, 2009-2020 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. @@ -94,8 +94,8 @@ AC_DEFUN_ONCE([gl_FUNC_MEMCHR], linux*-android*) gl_cv_func_memchr_works="guessing no" ;; # Guess yes on native Windows. mingw*) gl_cv_func_memchr_works="guessing yes" ;; - # Be pessimistic for now. - *) gl_cv_func_memchr_works="guessing no" ;; + # If we don't know, obey --enable-cross-guesses. + *) gl_cv_func_memchr_works="$gl_cross_guess_normal" ;; esac ]) ]) diff --git a/m4/mempcpy.m4 b/m4/mempcpy.m4 index b6090eed2..899f12a88 100644 --- a/m4/mempcpy.m4 +++ b/m4/mempcpy.m4 @@ -1,5 +1,5 @@ # mempcpy.m4 serial 11 -dnl Copyright (C) 2003-2004, 2006-2007, 2009-2019 Free Software Foundation, +dnl Copyright (C) 2003-2004, 2006-2007, 2009-2020 Free Software Foundation, dnl Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, diff --git a/m4/minmax.m4 b/m4/minmax.m4 index 1e0d30b98..e5b28b0b8 100644 --- a/m4/minmax.m4 +++ b/m4/minmax.m4 @@ -1,5 +1,5 @@ # minmax.m4 serial 4 -dnl Copyright (C) 2005, 2009-2019 Free Software Foundation, Inc. +dnl Copyright (C) 2005, 2009-2020 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. diff --git a/m4/mkdir.m4 b/m4/mkdir.m4 index 366a3cd74..99212d914 100644 --- a/m4/mkdir.m4 +++ b/m4/mkdir.m4 @@ -1,6 +1,6 @@ -# serial 15 +# serial 16 -# Copyright (C) 2001, 2003-2004, 2006, 2008-2019 Free Software Foundation, Inc. +# Copyright (C) 2001, 2003-2004, 2006, 2008-2020 Free Software Foundation, Inc. # This file is free software; the Free Software Foundation # gives unlimited permission to copy and/or distribute it, # with or without modifications, as long as this notice is preserved. @@ -36,8 +36,8 @@ AC_DEFUN([gl_FUNC_MKDIR], [gl_cv_func_mkdir_trailing_slash_works="guessing yes"], [gl_cv_func_mkdir_trailing_slash_works="guessing no"]) ;; - # If we don't know, assume the worst. - *) gl_cv_func_mkdir_trailing_slash_works="guessing no" ;; + # If we don't know, obey --enable-cross-guesses. + *) gl_cv_func_mkdir_trailing_slash_works="$gl_cross_guess_normal" ;; esac ]) rm -rf conftest.dir @@ -66,8 +66,8 @@ AC_DEFUN([gl_FUNC_MKDIR], *-musl*) gl_cv_func_mkdir_trailing_dot_works="guessing yes" ;; # Guess no on native Windows. mingw*) gl_cv_func_mkdir_trailing_dot_works="guessing no" ;; - # If we don't know, assume the worst. - *) gl_cv_func_mkdir_trailing_dot_works="guessing no" ;; + # If we don't know, obey --enable-cross-guesses. + *) gl_cv_func_mkdir_trailing_dot_works="$gl_cross_guess_normal" ;; esac ]) rm -rf conftest.dir diff --git a/m4/mkstemp.m4 b/m4/mkstemp.m4 index 1b15c2eb3..28b788955 100644 --- a/m4/mkstemp.m4 +++ b/m4/mkstemp.m4 @@ -1,6 +1,6 @@ -#serial 26 +#serial 27 -# Copyright (C) 2001, 2003-2007, 2009-2019 Free Software Foundation, Inc. +# Copyright (C) 2001, 2003-2007, 2009-2020 Free Software Foundation, Inc. # This file is free software; the Free Software Foundation # gives unlimited permission to copy and/or distribute it, # with or without modifications, as long as this notice is preserved. @@ -63,8 +63,8 @@ AC_DEFUN([gl_FUNC_MKSTEMP], *-musl*) gl_cv_func_working_mkstemp="guessing yes" ;; # Guess no on native Windows. mingw*) gl_cv_func_working_mkstemp="guessing no" ;; - # If we don't know, assume the worst. - *) gl_cv_func_working_mkstemp="guessing no" ;; + # If we don't know, obey --enable-cross-guesses. + *) gl_cv_func_working_mkstemp="$gl_cross_guess_normal" ;; esac ]) rm -rf conftest.mkstemp diff --git a/m4/mkstemps.m4 b/m4/mkstemps.m4 index 49837d7f6..54d7524df 100644 --- a/m4/mkstemps.m4 +++ b/m4/mkstemps.m4 @@ -1,5 +1,5 @@ # mkstemps.m4 serial 2 -dnl Copyright (C) 2009-2019 Free Software Foundation, Inc. +dnl Copyright (C) 2009-2020 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. diff --git a/m4/mmap-anon.m4 b/m4/mmap-anon.m4 index 50c380824..d5c69df8e 100644 --- a/m4/mmap-anon.m4 +++ b/m4/mmap-anon.m4 @@ -1,5 +1,5 @@ # mmap-anon.m4 serial 10 -dnl Copyright (C) 2005, 2007, 2009-2019 Free Software Foundation, Inc. +dnl Copyright (C) 2005, 2007, 2009-2020 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. diff --git a/m4/msvc-inval.m4 b/m4/msvc-inval.m4 index 4b958762d..dcf398d03 100644 --- a/m4/msvc-inval.m4 +++ b/m4/msvc-inval.m4 @@ -1,5 +1,5 @@ # msvc-inval.m4 serial 1 -dnl Copyright (C) 2011-2019 Free Software Foundation, Inc. +dnl Copyright (C) 2011-2020 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. diff --git a/m4/msvc-nothrow.m4 b/m4/msvc-nothrow.m4 index 7e73b40b6..13198d859 100644 --- a/m4/msvc-nothrow.m4 +++ b/m4/msvc-nothrow.m4 @@ -1,5 +1,5 @@ # msvc-nothrow.m4 serial 1 -dnl Copyright (C) 2011-2019 Free Software Foundation, Inc. +dnl Copyright (C) 2011-2020 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. diff --git a/m4/multiarch.m4 b/m4/multiarch.m4 index d48316e0e..3c2034c5e 100644 --- a/m4/multiarch.m4 +++ b/m4/multiarch.m4 @@ -1,5 +1,5 @@ # multiarch.m4 serial 7 -dnl Copyright (C) 2008-2019 Free Software Foundation, Inc. +dnl Copyright (C) 2008-2020 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. diff --git a/m4/nocrash.m4 b/m4/nocrash.m4 index 4d9f02269..637a0ea45 100644 --- a/m4/nocrash.m4 +++ b/m4/nocrash.m4 @@ -1,5 +1,5 @@ # nocrash.m4 serial 5 -dnl Copyright (C) 2005, 2009-2019 Free Software Foundation, Inc. +dnl Copyright (C) 2005, 2009-2020 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. @@ -53,7 +53,7 @@ nocrash_init (void) /* Allocate a port on which the thread shall listen for exceptions. */ if (mach_port_allocate (self, MACH_PORT_RIGHT_RECEIVE, &our_exception_port) == KERN_SUCCESS) { - /* See http://web.mit.edu/darwin/src/modules/xnu/osfmk/man/mach_port_insert_right.html. */ + /* See https://web.mit.edu/darwin/src/modules/xnu/osfmk/man/mach_port_insert_right.html. */ if (mach_port_insert_right (self, our_exception_port, our_exception_port, MACH_MSG_TYPE_MAKE_SEND) == KERN_SUCCESS) { @@ -72,7 +72,7 @@ nocrash_init (void) for a particular thread. This has the effect that when our exception port gets the message, the thread specific exception port has already been asked, and we don't need to bother about it. - See http://web.mit.edu/darwin/src/modules/xnu/osfmk/man/task_set_exception_ports.html. */ + See https://web.mit.edu/darwin/src/modules/xnu/osfmk/man/task_set_exception_ports.html. */ task_set_exception_ports (self, mask, our_exception_port, EXCEPTION_DEFAULT, MACHINE_THREAD_STATE); } diff --git a/m4/off_t.m4 b/m4/off_t.m4 index 711a2d44f..6e19af881 100644 --- a/m4/off_t.m4 +++ b/m4/off_t.m4 @@ -1,5 +1,5 @@ # off_t.m4 serial 1 -dnl Copyright (C) 2012-2019 Free Software Foundation, Inc. +dnl Copyright (C) 2012-2020 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. diff --git a/m4/pathmax.m4 b/m4/pathmax.m4 index 0770aca3a..bb4fdeba7 100644 --- a/m4/pathmax.m4 +++ b/m4/pathmax.m4 @@ -1,5 +1,5 @@ # pathmax.m4 serial 11 -dnl Copyright (C) 2002-2003, 2005-2006, 2009-2019 Free Software Foundation, +dnl Copyright (C) 2002-2003, 2005-2006, 2009-2020 Free Software Foundation, dnl Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, diff --git a/m4/printf.m4 b/m4/printf.m4 index 6d2280ef5..df473d878 100644 --- a/m4/printf.m4 +++ b/m4/printf.m4 @@ -1,5 +1,5 @@ -# printf.m4 serial 61 -dnl Copyright (C) 2003, 2007-2019 Free Software Foundation, Inc. +# printf.m4 serial 64 +dnl Copyright (C) 2003, 2007-2020 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. @@ -93,8 +93,8 @@ changequote([,])dnl [gl_cv_func_printf_sizes_c99="guessing yes"], [gl_cv_func_printf_sizes_c99="guessing no"]) ;; - # If we don't know, assume the worst. - *) gl_cv_func_printf_sizes_c99="guessing no";; + # If we don't know, obey --enable-cross-guesses. + *) gl_cv_func_printf_sizes_c99="$gl_cross_guess_normal";; esac ]) ]) @@ -271,8 +271,8 @@ changequote([,])dnl [gl_cv_func_printf_infinite="guessing yes"], [gl_cv_func_printf_infinite="guessing no"]) ;; - # If we don't know, assume the worst. - *) gl_cv_func_printf_infinite="guessing no";; + # If we don't know, obey --enable-cross-guesses. + *) gl_cv_func_printf_infinite="$gl_cross_guess_normal";; esac ]) ]) @@ -481,8 +481,8 @@ changequote([,])dnl [gl_cv_func_printf_infinite_long_double="guessing yes"], [gl_cv_func_printf_infinite_long_double="guessing no"]) ;; - # If we don't know, assume the worst. - *) gl_cv_func_printf_infinite_long_double="guessing no";; + # If we don't know, obey --enable-cross-guesses. + *) gl_cv_func_printf_infinite_long_double="$gl_cross_guess_normal";; esac ;; esac @@ -587,8 +587,8 @@ int main () linux*-android*) gl_cv_func_printf_directive_a="guessing no";; # Guess no on native Windows. mingw*) gl_cv_func_printf_directive_a="guessing no";; - # If we don't know, assume the worst. - *) gl_cv_func_printf_directive_a="guessing no";; + # If we don't know, obey --enable-cross-guesses. + *) gl_cv_func_printf_directive_a="$gl_cross_guess_normal";; esac ]) ]) @@ -656,8 +656,8 @@ changequote([,])dnl [gl_cv_func_printf_directive_f="guessing yes"], [gl_cv_func_printf_directive_f="guessing no"]) ;; - # If we don't know, assume the worst. - *) gl_cv_func_printf_directive_f="guessing no";; + # If we don't know, obey --enable-cross-guesses. + *) gl_cv_func_printf_directive_f="$gl_cross_guess_normal";; esac ]) ]) @@ -711,6 +711,16 @@ int main () [gl_cv_func_printf_directive_n=yes], [gl_cv_func_printf_directive_n=no], [case "$host_os" in + # Guess no on glibc when _FORTIFY_SOURCE >= 2. + *-gnu* | gnu*) AC_COMPILE_IFELSE( + [AC_LANG_SOURCE( + [[#if _FORTIFY_SOURCE >= 2 + error fail + #endif + ]])], + [gl_cv_func_printf_directive_n="guessing yes"], + [gl_cv_func_printf_directive_n="guessing no"]) + ;; # Guess no on Android. linux*-android*) gl_cv_func_printf_directive_n="guessing no";; # Guess no on native Windows. @@ -978,8 +988,8 @@ changequote(,)dnl linux*-android*) gl_cv_func_printf_flag_zero="guessing no";; # Guess no on native Windows. mingw*) gl_cv_func_printf_flag_zero="guessing no";; - # If we don't know, assume the worst. - *) gl_cv_func_printf_flag_zero="guessing no";; + # If we don't know, obey --enable-cross-guesses. + *) gl_cv_func_printf_flag_zero="$gl_cross_guess_normal";; esac changequote([,])dnl ]) @@ -1156,8 +1166,8 @@ changequote(,)dnl haiku*) gl_cv_func_printf_enomem="guessing yes";; # Guess no on Android. linux*-android*) gl_cv_func_printf_enomem="guessing no";; - # If we don't know, assume the worst. - *) gl_cv_func_printf_enomem="guessing no";; + # If we don't know, obey --enable-cross-guesses. + *) gl_cv_func_printf_enomem="$gl_cross_guess_normal";; esac changequote([,])dnl fi @@ -1255,8 +1265,8 @@ changequote(,)dnl linux*-android*) gl_cv_func_snprintf_truncation_c99="guessing yes";; # Guess no on native Windows. mingw*) gl_cv_func_snprintf_truncation_c99="guessing no";; - # If we don't know, assume the worst. - *) gl_cv_func_snprintf_truncation_c99="guessing no";; + # If we don't know, obey --enable-cross-guesses. + *) gl_cv_func_snprintf_truncation_c99="$gl_cross_guess_normal";; esac changequote([,])dnl ]) @@ -1358,8 +1368,8 @@ changequote([,])dnl [gl_cv_func_snprintf_retval_c99="guessing yes"], [gl_cv_func_snprintf_retval_c99="guessing no"]) ;; - # If we don't know, assume the worst. - *) gl_cv_func_snprintf_retval_c99="guessing no";; + # If we don't know, obey --enable-cross-guesses. + *) gl_cv_func_snprintf_retval_c99="$gl_cross_guess_normal";; esac ]) ]) @@ -1412,10 +1422,18 @@ int main () [gl_cv_func_snprintf_directive_n=yes], [gl_cv_func_snprintf_directive_n=no], [ -changequote(,)dnl case "$host_os" in - # Guess yes on glibc systems. - *-gnu* | gnu*) gl_cv_func_snprintf_directive_n="guessing yes";; + # Guess no on glibc when _FORTIFY_SOURCE >= 2. + *-gnu* | gnu*) AC_COMPILE_IFELSE( + [AC_LANG_SOURCE( + [[#if _FORTIFY_SOURCE >= 2 + error fail + #endif + ]])], + [gl_cv_func_snprintf_directive_n="guessing yes"], + [gl_cv_func_snprintf_directive_n="guessing no"]) + ;; +changequote(,)dnl # Guess yes on musl systems. *-musl*) gl_cv_func_snprintf_directive_n="guessing yes";; # Guess yes on FreeBSD >= 5. @@ -1446,10 +1464,10 @@ changequote(,)dnl linux*-android*) gl_cv_func_snprintf_directive_n="guessing no";; # Guess no on native Windows. mingw*) gl_cv_func_snprintf_directive_n="guessing no";; - # If we don't know, assume the worst. - *) gl_cv_func_snprintf_directive_n="guessing no";; - esac + # If we don't know, obey --enable-cross-guesses. + *) gl_cv_func_snprintf_directive_n="$gl_cross_guess_normal";; changequote([,])dnl + esac ]) ]) ]) @@ -1601,8 +1619,8 @@ changequote(,)dnl linux*-android*) gl_cv_func_vsnprintf_zerosize_c99="guessing yes";; # Guess yes on native Windows. mingw* | pw*) gl_cv_func_vsnprintf_zerosize_c99="guessing yes";; - # If we don't know, assume the worst. - *) gl_cv_func_vsnprintf_zerosize_c99="guessing no";; + # If we don't know, obey --enable-cross-guesses. + *) gl_cv_func_vsnprintf_zerosize_c99="$gl_cross_guess_normal";; esac changequote([,])dnl ]) diff --git a/m4/pthread_rwlock_rdlock.m4 b/m4/pthread_rwlock_rdlock.m4 deleted file mode 100644 index 3c1d64566..000000000 --- a/m4/pthread_rwlock_rdlock.m4 +++ /dev/null @@ -1,165 +0,0 @@ -# pthread_rwlock_rdlock.m4 serial 2 -dnl Copyright (C) 2017-2019 Free Software Foundation, Inc. -dnl This file is free software; the Free Software Foundation -dnl gives unlimited permission to copy and/or distribute it, -dnl with or without modifications, as long as this notice is preserved. - -dnl From Bruno Haible. -dnl Inspired by -dnl https://github.com/linux-test-project/ltp/blob/master/testcases/open_posix_testsuite/conformance/interfaces/pthread_rwlock_rdlock/2-2.c -dnl by Intel Corporation. - -dnl Test whether in a situation where -dnl - an rwlock is taken by a reader and has a writer waiting, -dnl - an additional reader requests the lock, -dnl - the waiting writer and the requesting reader threads have the same -dnl priority, -dnl the requesting reader thread gets blocked, so that at some point the -dnl waiting writer can acquire the lock. -dnl Without such a guarantee, when there a N readers and each of the readers -dnl spends more than 1/Nth of the time with the lock held, there is a high -dnl probability that the waiting writer will not get the lock in a given finite -dnl time, a phenomenon called "writer starvation". -dnl Without such a guarantee, applications have a hard time avoiding writer -dnl starvation. -dnl -dnl POSIX:2017 makes this requirement only for implementations that support TPS -dnl (Thread Priority Scheduling) and only for the scheduling policies SCHED_FIFO -dnl and SCHED_RR, see -dnl http://pubs.opengroup.org/onlinepubs/9699919799/functions/pthread_rwlock_rdlock.html -dnl but this test verifies the guarantee regardless of TPS and regardless of -dnl scheduling policy. -dnl Glibc currently does not provide this guarantee, see -dnl https://sourceware.org/bugzilla/show_bug.cgi?id=13701 -AC_DEFUN([gl_PTHREAD_RWLOCK_RDLOCK_PREFER_WRITER], -[ - AC_REQUIRE([gl_THREADLIB_EARLY]) - AC_CACHE_CHECK([whether pthread_rwlock_rdlock prefers a writer to a reader], - [gl_cv_pthread_rwlock_rdlock_prefer_writer], - [save_LIBS="$LIBS" - LIBS="$LIBS $LIBMULTITHREAD" - AC_RUN_IFELSE( - [AC_LANG_SOURCE([[ -#include -#include -#include -#include - -#define SUCCEED() exit (0) -#define FAILURE() exit (1) -#define UNEXPECTED(n) (exit (10 + (n))) - -/* The main thread creates the waiting writer and the requesting reader threads - in the default way; this guarantees that they have the same priority. - We can reuse the main thread as first reader thread. */ - -static pthread_rwlock_t lock; -static pthread_t reader1; -static pthread_t writer; -static pthread_t reader2; -static pthread_t timer; -/* Used to pass control from writer to reader2 and from reader2 to timer, - as in a relay race. - Passing control from one running thread to another running thread - is most likely faster than to create the second thread. */ -static pthread_mutex_t baton; - -static void * -timer_func (void *ignored) -{ - /* Step 13 (can be before or after step 12): - The timer thread takes the baton, then waits a moment to make sure - it can tell whether the second reader thread is blocked at step 12. */ - if (pthread_mutex_lock (&baton)) - UNEXPECTED (13); - usleep (100000); - /* By the time we get here, it's clear that the second reader thread is - blocked at step 12. This is the desired behaviour. */ - SUCCEED (); -} - -static void * -reader2_func (void *ignored) -{ - int err; - - /* Step 8 (can be before or after step 7): - The second reader thread takes the baton, then waits a moment to make sure - the writer thread has reached step 7. */ - if (pthread_mutex_lock (&baton)) - UNEXPECTED (8); - usleep (100000); - /* Step 9: The second reader thread requests the lock. */ - err = pthread_rwlock_tryrdlock (&lock); - if (err == 0) - FAILURE (); - else if (err != EBUSY) - UNEXPECTED (9); - /* Step 10: Launch a timer, to test whether the next call blocks. */ - if (pthread_create (&timer, NULL, timer_func, NULL)) - UNEXPECTED (10); - /* Step 11: Release the baton. */ - if (pthread_mutex_unlock (&baton)) - UNEXPECTED (11); - /* Step 12: The second reader thread requests the lock. */ - err = pthread_rwlock_rdlock (&lock); - if (err == 0) - FAILURE (); - else - UNEXPECTED (12); -} - -static void * -writer_func (void *ignored) -{ - /* Step 4: Take the baton, so that the second reader thread does not go ahead - too early. */ - if (pthread_mutex_lock (&baton)) - UNEXPECTED (4); - /* Step 5: Create the second reader thread. */ - if (pthread_create (&reader2, NULL, reader2_func, NULL)) - UNEXPECTED (5); - /* Step 6: Release the baton. */ - if (pthread_mutex_unlock (&baton)) - UNEXPECTED (6); - /* Step 7: The writer thread requests the lock. */ - if (pthread_rwlock_wrlock (&lock)) - UNEXPECTED (7); - return NULL; -} - -int -main () -{ - reader1 = pthread_self (); - - /* Step 1: The main thread initializes the lock and the baton. */ - if (pthread_rwlock_init (&lock, NULL)) - UNEXPECTED (1); - if (pthread_mutex_init (&baton, NULL)) - UNEXPECTED (1); - /* Step 2: The main thread acquires the lock as a reader. */ - if (pthread_rwlock_rdlock (&lock)) - UNEXPECTED (2); - /* Step 3: Create the writer thread. */ - if (pthread_create (&writer, NULL, writer_func, NULL)) - UNEXPECTED (3); - /* Job done. Go to sleep. */ - for (;;) - { - sleep (1); - } -} -]])], - [gl_cv_pthread_rwlock_rdlock_prefer_writer=yes], - [gl_cv_pthread_rwlock_rdlock_prefer_writer=no], - [gl_cv_pthread_rwlock_rdlock_prefer_writer="guessing yes"]) - LIBS="$save_LIBS" - ]) - case "$gl_cv_pthread_rwlock_rdlock_prefer_writer" in - *yes) - AC_DEFINE([HAVE_PTHREAD_RWLOCK_RDLOCK_PREFER_WRITER], [1], - [Define if the 'pthread_rwlock_rdlock' function prefers a writer to a reader.]) - ;; - esac -]) diff --git a/m4/quote.m4 b/m4/quote.m4 index feaa73511..9efab95e7 100644 --- a/m4/quote.m4 +++ b/m4/quote.m4 @@ -1,5 +1,5 @@ # quote.m4 serial 6 -dnl Copyright (C) 2002-2003, 2005-2006, 2009-2019 Free Software Foundation, +dnl Copyright (C) 2002-2003, 2005-2006, 2009-2020 Free Software Foundation, dnl Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, diff --git a/m4/quotearg.m4 b/m4/quotearg.m4 index c478f5058..40387119b 100644 --- a/m4/quotearg.m4 +++ b/m4/quotearg.m4 @@ -1,10 +1,11 @@ -# quotearg.m4 serial 9 -dnl Copyright (C) 2002, 2004-2019 Free Software Foundation, Inc. +# quotearg.m4 serial 10 +dnl Copyright (C) 2002, 2004-2020 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. AC_DEFUN([gl_QUOTEARG], [ + AC_REQUIRE([AC_C_RESTRICT]) : ]) diff --git a/m4/rawmemchr.m4 b/m4/rawmemchr.m4 index 03a880496..c5bf04189 100644 --- a/m4/rawmemchr.m4 +++ b/m4/rawmemchr.m4 @@ -1,5 +1,5 @@ # rawmemchr.m4 serial 2 -dnl Copyright (C) 2003, 2007-2019 Free Software Foundation, Inc. +dnl Copyright (C) 2003, 2007-2020 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. diff --git a/m4/secure_getenv.m4 b/m4/secure_getenv.m4 index ef3788de1..29e2f53cc 100644 --- a/m4/secure_getenv.m4 +++ b/m4/secure_getenv.m4 @@ -1,5 +1,5 @@ # Look up an environment variable more securely. -dnl Copyright 2013-2019 Free Software Foundation, Inc. +dnl Copyright 2013-2020 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. diff --git a/m4/setlocale_null.m4 b/m4/setlocale_null.m4 new file mode 100644 index 000000000..c1ee1f799 --- /dev/null +++ b/m4/setlocale_null.m4 @@ -0,0 +1,98 @@ +# setlocale_null.m4 serial 2 +dnl Copyright (C) 2019-2020 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_SETLOCALE_NULL], +[ + AC_REQUIRE([AC_CANONICAL_HOST]) + AC_REQUIRE([gl_PTHREADLIB]) + AC_CHECK_HEADERS_ONCE([threads.h]) + + AC_CACHE_CHECK([whether setlocale (LC_ALL, NULL) is multithread-safe], + [gl_cv_func_setlocale_null_all_mtsafe], + [case "$host_os" in + # Guess no on musl libc, macOS, FreeBSD, NetBSD, OpenBSD, AIX, Haiku, Cygwin. + *-musl* | darwin* | freebsd* | netbsd* | openbsd* | aix* | haiku* | cygwin*) + gl_cv_func_setlocale_null_all_mtsafe=no ;; + # Guess yes on glibc, HP-UX, IRIX, Solaris, native Windows. + *-gnu* | gnu* | hpux* | irix* | solaris* | mingw*) + gl_cv_func_setlocale_null_all_mtsafe=yes ;; + # If we don't know, obey --enable-cross-guesses. + *) + gl_cv_func_setlocale_null_all_mtsafe="$gl_cross_guess_normal" ;; + esac + ]) + dnl On platforms without multithreading, there is no issue. + case "$host_os" in + mingw*) ;; + *) + if test $gl_pthread_api = no && test $ac_cv_header_threads_h = no; then + gl_cv_func_setlocale_null_all_mtsafe="trivially yes" + fi + ;; + esac + case "$gl_cv_func_setlocale_null_all_mtsafe" in + *yes) SETLOCALE_NULL_ALL_MTSAFE=1 ;; + *) SETLOCALE_NULL_ALL_MTSAFE=0 ;; + esac + AC_DEFINE_UNQUOTED([SETLOCALE_NULL_ALL_MTSAFE], [$SETLOCALE_NULL_ALL_MTSAFE], + [Define to 1 if setlocale (LC_ALL, NULL) is multithread-safe.]) + + dnl This is about a single category (not LC_ALL). + AC_CACHE_CHECK([whether setlocale (category, NULL) is multithread-safe], + [gl_cv_func_setlocale_null_one_mtsafe], + [case "$host_os" in + # Guess no on OpenBSD, AIX. + openbsd* | aix*) + gl_cv_func_setlocale_null_one_mtsafe=no ;; + # Guess yes on glibc, musl libc, macOS, FreeBSD, NetBSD, HP-UX, IRIX, Solaris, Haiku, Cygwin, native Windows. + *-gnu* | gnu* | *-musl* | darwin* | freebsd* | netbsd* | hpux* | irix* | solaris* | haiku* | cygwin* | mingw*) + gl_cv_func_setlocale_null_one_mtsafe=yes ;; + # If we don't know, obey --enable-cross-guesses. + *) + gl_cv_func_setlocale_null_one_mtsafe="$gl_cross_guess_normal" ;; + esac + ]) + dnl On platforms without multithreading, there is no issue. + case "$host_os" in + mingw*) ;; + *) + if test $gl_pthread_api = no && test $ac_cv_header_threads_h = no; then + gl_cv_func_setlocale_null_one_mtsafe="trivially yes" + fi + ;; + esac + case "$gl_cv_func_setlocale_null_one_mtsafe" in + *yes) SETLOCALE_NULL_ONE_MTSAFE=1 ;; + *) SETLOCALE_NULL_ONE_MTSAFE=0 ;; + esac + AC_DEFINE_UNQUOTED([SETLOCALE_NULL_ONE_MTSAFE], [$SETLOCALE_NULL_ONE_MTSAFE], + [Define to 1 if setlocale (category, NULL) is multithread-safe.]) + + dnl Determine link dependencies of lib/setlocale_null.c and lib/setlocale-lock.c. + if test $SETLOCALE_NULL_ALL_MTSAFE = 0 || test $SETLOCALE_NULL_ONE_MTSAFE = 0; then + case "$host_os" in + mingw*) LIB_SETLOCALE_NULL= ;; + *) + gl_WEAK_SYMBOLS + case "$gl_cv_have_weak" in + *yes) LIB_SETLOCALE_NULL= ;; + *) LIB_SETLOCALE_NULL="$LIBPTHREAD" ;; + esac + ;; + esac + else + LIB_SETLOCALE_NULL= + fi + dnl LIB_SETLOCALE_NULL is expected to be '-pthread' or '-lpthread' on AIX + dnl with gcc or xlc, and empty otherwise. + AC_SUBST([LIB_SETLOCALE_NULL]) +]) + +# Prerequisites of lib/setlocale-lock.c. +AC_DEFUN([gl_PREREQ_SETLOCALE_LOCK], +[ + gl_VISIBILITY +]) diff --git a/m4/size_max.m4 b/m4/size_max.m4 index ab79052d6..5240d799c 100644 --- a/m4/size_max.m4 +++ b/m4/size_max.m4 @@ -1,5 +1,5 @@ # size_max.m4 serial 11 -dnl Copyright (C) 2003, 2005-2006, 2008-2019 Free Software Foundation, Inc. +dnl Copyright (C) 2003, 2005-2006, 2008-2020 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. diff --git a/m4/sleep.m4 b/m4/sleep.m4 index 7bab4670a..d19170e90 100644 --- a/m4/sleep.m4 +++ b/m4/sleep.m4 @@ -1,5 +1,5 @@ -# sleep.m4 serial 10 -dnl Copyright (C) 2007-2019 Free Software Foundation, Inc. +# sleep.m4 serial 11 +dnl Copyright (C) 2007-2020 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. @@ -52,8 +52,8 @@ handle_alarm (int sig) *-musl*) gl_cv_func_sleep_works="guessing yes" ;; # Guess no on native Windows. mingw*) gl_cv_func_sleep_works="guessing no" ;; - # If we don't know, assume the worst. - *) gl_cv_func_sleep_works="guessing no" ;; + # If we don't know, obey --enable-cross-guesses. + *) gl_cv_func_sleep_works="$gl_cross_guess_normal" ;; esac ])]) case "$gl_cv_func_sleep_works" in diff --git a/m4/ssize_t.m4 b/m4/ssize_t.m4 index 38bcee1c7..6c0a58887 100644 --- a/m4/ssize_t.m4 +++ b/m4/ssize_t.m4 @@ -1,5 +1,5 @@ # ssize_t.m4 serial 5 (gettext-0.18.2) -dnl Copyright (C) 2001-2003, 2006, 2010-2019 Free Software Foundation, Inc. +dnl Copyright (C) 2001-2003, 2006, 2010-2020 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. diff --git a/m4/stat-time.m4 b/m4/stat-time.m4 index 1685788e0..0ac3f7272 100644 --- a/m4/stat-time.m4 +++ b/m4/stat-time.m4 @@ -1,6 +1,6 @@ # Checks for stat-related time functions. -# Copyright (C) 1998-1999, 2001, 2003, 2005-2007, 2009-2019 Free Software +# Copyright (C) 1998-1999, 2001, 2003, 2005-2007, 2009-2020 Free Software # Foundation, Inc. # This file is free software; the Free Software Foundation diff --git a/m4/stat.m4 b/m4/stat.m4 index 60040d137..46e9abcee 100644 --- a/m4/stat.m4 +++ b/m4/stat.m4 @@ -1,6 +1,6 @@ -# serial 15 +# serial 16 -# Copyright (C) 2009-2019 Free Software Foundation, Inc. +# Copyright (C) 2009-2020 Free Software Foundation, Inc. # # This file is free software; the Free Software Foundation # gives unlimited permission to copy and/or distribute it, @@ -47,8 +47,8 @@ AC_DEFUN([gl_FUNC_STAT], linux-* | linux) gl_cv_func_stat_file_slash="guessing yes" ;; # Guess yes on glibc systems. *-gnu* | gnu*) gl_cv_func_stat_file_slash="guessing yes" ;; - # If we don't know, assume the worst. - *) gl_cv_func_stat_file_slash="guessing no" ;; + # If we don't know, obey --enable-cross-guesses. + *) gl_cv_func_stat_file_slash="$gl_cross_guess_normal" ;; esac ]) rm -f conftest.tmp conftest.lnk]) diff --git a/m4/std-gnu11.m4 b/m4/std-gnu11.m4 index 23e7f75f1..c1ec624b3 100644 --- a/m4/std-gnu11.m4 +++ b/m4/std-gnu11.m4 @@ -7,7 +7,7 @@ # or later is installed everywhere a Gnulib program might be developed. -# Copyright (C) 2001-2019 Free Software Foundation, Inc. +# Copyright (C) 2001-2020 Free Software Foundation, Inc. # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by diff --git a/m4/stdalign.m4 b/m4/stdalign.m4 index 601fd21f0..dcf778e64 100644 --- a/m4/stdalign.m4 +++ b/m4/stdalign.m4 @@ -1,6 +1,6 @@ # Check for stdalign.h that conforms to C11. -dnl Copyright 2011-2019 Free Software Foundation, Inc. +dnl Copyright 2011-2020 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. diff --git a/m4/stdbool.m4 b/m4/stdbool.m4 index acb852244..6bb087ebd 100644 --- a/m4/stdbool.m4 +++ b/m4/stdbool.m4 @@ -1,22 +1,36 @@ # Check for stdbool.h that conforms to C99. -dnl Copyright (C) 2002-2006, 2009-2019 Free Software Foundation, Inc. +dnl Copyright (C) 2002-2006, 2009-2020 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. -#serial 7 +#serial 8 # Prepare for substituting if it is not supported. AC_DEFUN([AM_STDBOOL_H], [ AC_REQUIRE([AC_CHECK_HEADER_STDBOOL]) + AC_REQUIRE([AC_CANONICAL_HOST]) - # Define two additional variables used in the Makefile substitution. - + dnl On some platforms, does not exist or does not conform to C99. + dnl On Solaris 10 with CC=cc CXX=CC, exists but is not usable + dnl in C++ mode (and no exists). In this case, we use our + dnl replacement, also in C mode (for binary compatibility between C and C++). if test "$ac_cv_header_stdbool_h" = yes; then - STDBOOL_H='' + case "$host_os" in + solaris*) + if test -z "$GCC"; then + STDBOOL_H='stdbool.h' + else + STDBOOL_H='' + fi + ;; + *) + STDBOOL_H='' + ;; + esac else STDBOOL_H='stdbool.h' fi diff --git a/m4/stddef_h.m4 b/m4/stddef_h.m4 index 979e3cf7e..6bcfadb74 100644 --- a/m4/stddef_h.m4 +++ b/m4/stddef_h.m4 @@ -1,6 +1,6 @@ dnl A placeholder for , for platforms that have issues. # stddef_h.m4 serial 6 -dnl Copyright (C) 2009-2019 Free Software Foundation, Inc. +dnl Copyright (C) 2009-2020 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. diff --git a/m4/stdint.m4 b/m4/stdint.m4 index 11d8e8e52..29ad826d8 100644 --- a/m4/stdint.m4 +++ b/m4/stdint.m4 @@ -1,5 +1,5 @@ -# stdint.m4 serial 53 -dnl Copyright (C) 2001-2019 Free Software Foundation, Inc. +# stdint.m4 serial 54 +dnl Copyright (C) 2001-2020 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. @@ -17,21 +17,12 @@ AC_DEFUN_ONCE([gl_STDINT_H], AC_REQUIRE([gl_LIMITS_H]) AC_REQUIRE([gt_TYPE_WINT_T]) - dnl Check for long long int and unsigned long long int. - AC_REQUIRE([AC_TYPE_LONG_LONG_INT]) - if test $ac_cv_type_long_long_int = yes; then - HAVE_LONG_LONG_INT=1 - else - HAVE_LONG_LONG_INT=0 - fi - AC_SUBST([HAVE_LONG_LONG_INT]) - AC_REQUIRE([AC_TYPE_UNSIGNED_LONG_LONG_INT]) - if test $ac_cv_type_unsigned_long_long_int = yes; then - HAVE_UNSIGNED_LONG_LONG_INT=1 - else - HAVE_UNSIGNED_LONG_LONG_INT=0 - fi - AC_SUBST([HAVE_UNSIGNED_LONG_LONG_INT]) + dnl For backward compatibility. Some packages may still be testing these + dnl macros. + AC_DEFINE([HAVE_LONG_LONG_INT], [1], + [Define to 1 if the system has the type 'long long int'.]) + AC_DEFINE([HAVE_UNSIGNED_LONG_LONG_INT], [1], + [Define to 1 if the system has the type 'unsigned long long int'.]) dnl Check for , in the same way as gl_WCHAR_H does. AC_CHECK_HEADERS_ONCE([wchar.h]) diff --git a/m4/stdint_h.m4 b/m4/stdint_h.m4 index 6d5f1af0a..9df9e0480 100644 --- a/m4/stdint_h.m4 +++ b/m4/stdint_h.m4 @@ -1,5 +1,5 @@ # stdint_h.m4 serial 9 -dnl Copyright (C) 1997-2004, 2006, 2008-2019 Free Software Foundation, Inc. +dnl Copyright (C) 1997-2004, 2006, 2008-2020 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. diff --git a/m4/stdio_h.m4 b/m4/stdio_h.m4 index 6c9c10404..5f968bc26 100644 --- a/m4/stdio_h.m4 +++ b/m4/stdio_h.m4 @@ -1,5 +1,5 @@ -# stdio_h.m4 serial 49 -dnl Copyright (C) 2007-2019 Free Software Foundation, Inc. +# stdio_h.m4 serial 50 +dnl Copyright (C) 2007-2020 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. @@ -107,6 +107,8 @@ AC_DEFUN([gl_STDIO_H], gl_WARN_ON_USE_PREPARE([[#include ]], [dprintf fpurge fseeko ftello getdelim getline gets pclose popen renameat snprintf tmpfile vdprintf vsnprintf]) + + AC_REQUIRE([AC_C_RESTRICT]) ]) AC_DEFUN([gl_STDIO_MODULE_INDICATOR], diff --git a/m4/stdlib_h.m4 b/m4/stdlib_h.m4 index 6121602ae..743066a63 100644 --- a/m4/stdlib_h.m4 +++ b/m4/stdlib_h.m4 @@ -1,5 +1,5 @@ -# stdlib_h.m4 serial 48 -dnl Copyright (C) 2007-2019 Free Software Foundation, Inc. +# stdlib_h.m4 serial 49 +dnl Copyright (C) 2007-2020 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. @@ -27,6 +27,8 @@ AC_DEFUN([gl_STDLIB_H], posix_openpt ptsname ptsname_r qsort_r random random_r reallocarray realpath rpmatch secure_getenv setenv setstate setstate_r srandom srandom_r strtod strtold strtoll strtoull unlockpt unsetenv]) + + AC_REQUIRE([AC_C_RESTRICT]) ]) AC_DEFUN([gl_STDLIB_MODULE_INDICATOR], diff --git a/m4/stpcpy.m4 b/m4/stpcpy.m4 index 7af2e8189..0f0fa9eaa 100644 --- a/m4/stpcpy.m4 +++ b/m4/stpcpy.m4 @@ -1,5 +1,5 @@ # stpcpy.m4 serial 8 -dnl Copyright (C) 2002, 2007, 2009-2019 Free Software Foundation, Inc. +dnl Copyright (C) 2002, 2007, 2009-2020 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. diff --git a/m4/strcase.m4 b/m4/strcase.m4 index 9baef789c..21d80c8c4 100644 --- a/m4/strcase.m4 +++ b/m4/strcase.m4 @@ -1,5 +1,5 @@ # strcase.m4 serial 11 -dnl Copyright (C) 2002, 2005-2019 Free Software Foundation, Inc. +dnl Copyright (C) 2002, 2005-2020 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. diff --git a/m4/strchrnul.m4 b/m4/strchrnul.m4 index 93cf112e1..a18f0935a 100644 --- a/m4/strchrnul.m4 +++ b/m4/strchrnul.m4 @@ -1,5 +1,5 @@ # strchrnul.m4 serial 9 -dnl Copyright (C) 2003, 2007, 2009-2019 Free Software Foundation, Inc. +dnl Copyright (C) 2003, 2007, 2009-2020 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. diff --git a/m4/strerror.m4 b/m4/strerror.m4 index 2c90f3163..fd84ce871 100644 --- a/m4/strerror.m4 +++ b/m4/strerror.m4 @@ -1,5 +1,5 @@ -# strerror.m4 serial 20 -dnl Copyright (C) 2002, 2007-2019 Free Software Foundation, Inc. +# strerror.m4 serial 21 +dnl Copyright (C) 2002, 2007-2020 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. @@ -28,8 +28,8 @@ AC_DEFUN([gl_FUNC_STRERROR], *-gnu* | gnu*) gl_cv_func_working_strerror="guessing yes" ;; # Guess yes on musl systems. *-musl*) gl_cv_func_working_strerror="guessing yes" ;; - # If we don't know, assume the worst. - *) gl_cv_func_working_strerror="guessing no" ;; + # If we don't know, obey --enable-cross-guesses. + *) gl_cv_func_working_strerror="$gl_cross_guess_normal" ;; esac ]) ]) @@ -86,8 +86,8 @@ AC_DEFUN([gl_FUNC_STRERROR_0], *-musl*) gl_cv_func_strerror_0_works="guessing yes" ;; # Guess yes on native Windows. mingw*) gl_cv_func_strerror_0_works="guessing yes" ;; - # If we don't know, assume the worst. - *) gl_cv_func_strerror_0_works="guessing no" ;; + # If we don't know, obey --enable-cross-guesses. + *) gl_cv_func_strerror_0_works="$gl_cross_guess_normal" ;; esac ]) ]) diff --git a/m4/string_h.m4 b/m4/string_h.m4 index 0c0e3a71a..cc51337f0 100644 --- a/m4/string_h.m4 +++ b/m4/string_h.m4 @@ -1,11 +1,11 @@ # Configure a GNU-like replacement for . -# Copyright (C) 2007-2019 Free Software Foundation, Inc. +# Copyright (C) 2007-2020 Free Software Foundation, Inc. # This file is free software; the Free Software Foundation # gives unlimited permission to copy and/or distribute it, # with or without modifications, as long as this notice is preserved. -# serial 22 +# serial 23 # Written by Paul Eggert. @@ -18,7 +18,6 @@ AC_DEFUN([gl_HEADER_STRING_H], AC_DEFUN([gl_HEADER_STRING_H_BODY], [ - AC_REQUIRE([AC_C_RESTRICT]) AC_REQUIRE([gl_HEADER_STRING_H_DEFAULTS]) gl_NEXT_HEADERS([string.h]) @@ -30,6 +29,8 @@ AC_DEFUN([gl_HEADER_STRING_H_BODY], [ffsl ffsll memmem mempcpy memrchr rawmemchr stpcpy stpncpy strchrnul strdup strncat strndup strnlen strpbrk strsep strcasestr strtok_r strerror_r strsignal strverscmp]) + + AC_REQUIRE([AC_C_RESTRICT]) ]) AC_DEFUN([gl_STRING_MODULE_INDICATOR], diff --git a/m4/strings_h.m4 b/m4/strings_h.m4 index 76128cfb7..4aadca02b 100644 --- a/m4/strings_h.m4 +++ b/m4/strings_h.m4 @@ -1,7 +1,7 @@ # Configure a replacement for . # serial 6 -# Copyright (C) 2007, 2009-2019 Free Software Foundation, Inc. +# Copyright (C) 2007, 2009-2020 Free Software Foundation, Inc. # This file is free software; the Free Software Foundation # gives unlimited permission to copy and/or distribute it, # with or without modifications, as long as this notice is preserved. diff --git a/m4/strndup.m4 b/m4/strndup.m4 index 325af5d13..006a31ad2 100644 --- a/m4/strndup.m4 +++ b/m4/strndup.m4 @@ -1,5 +1,5 @@ # strndup.m4 serial 22 -dnl Copyright (C) 2002-2003, 2005-2019 Free Software Foundation, Inc. +dnl Copyright (C) 2002-2003, 2005-2020 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. diff --git a/m4/strnlen.m4 b/m4/strnlen.m4 index c283c3ece..71b8e1baf 100644 --- a/m4/strnlen.m4 +++ b/m4/strnlen.m4 @@ -1,5 +1,5 @@ # strnlen.m4 serial 13 -dnl Copyright (C) 2002-2003, 2005-2007, 2009-2019 Free Software Foundation, +dnl Copyright (C) 2002-2003, 2005-2007, 2009-2020 Free Software Foundation, dnl Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, diff --git a/m4/strverscmp.m4 b/m4/strverscmp.m4 index ec66cdf09..68038450a 100644 --- a/m4/strverscmp.m4 +++ b/m4/strverscmp.m4 @@ -1,5 +1,5 @@ # strverscmp.m4 serial 8 -dnl Copyright (C) 2002, 2005-2019 Free Software Foundation, Inc. +dnl Copyright (C) 2002, 2005-2020 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. diff --git a/m4/sys_socket_h.m4 b/m4/sys_socket_h.m4 index d0a902061..bf902f081 100644 --- a/m4/sys_socket_h.m4 +++ b/m4/sys_socket_h.m4 @@ -1,5 +1,5 @@ -# sys_socket_h.m4 serial 24 -dnl Copyright (C) 2005-2019 Free Software Foundation, Inc. +# sys_socket_h.m4 serial 25 +dnl Copyright (C) 2005-2020 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. @@ -95,6 +95,8 @@ AC_DEFUN([gl_HEADER_SYS_SOCKET], #include ]], [socket connect accept bind getpeername getsockname getsockopt listen recv send recvfrom sendto setsockopt shutdown accept4]) + + AC_REQUIRE([AC_C_RESTRICT]) ]) AC_DEFUN([gl_PREREQ_SYS_H_SOCKET], diff --git a/m4/sys_stat_h.m4 b/m4/sys_stat_h.m4 index 361ac3fc1..3efba5a7b 100644 --- a/m4/sys_stat_h.m4 +++ b/m4/sys_stat_h.m4 @@ -1,5 +1,5 @@ -# sys_stat_h.m4 serial 31 -*- Autoconf -*- -dnl Copyright (C) 2006-2019 Free Software Foundation, Inc. +# sys_stat_h.m4 serial 33 -*- Autoconf -*- +dnl Copyright (C) 2006-2020 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. @@ -48,7 +48,9 @@ AC_DEFUN([gl_HEADER_SYS_STAT_H], gl_WARN_ON_USE_PREPARE([[#include ]], [fchmodat fstat fstatat futimens lchmod lstat mkdirat mkfifo mkfifoat mknod mknodat stat utimensat]) -]) # gl_HEADER_SYS_STAT_H + + AC_REQUIRE([AC_C_RESTRICT]) +]) AC_DEFUN([gl_SYS_STAT_MODULE_INDICATOR], [ @@ -88,6 +90,7 @@ AC_DEFUN([gl_SYS_STAT_H_DEFAULTS], HAVE_MKNOD=1; AC_SUBST([HAVE_MKNOD]) HAVE_MKNODAT=1; AC_SUBST([HAVE_MKNODAT]) HAVE_UTIMENSAT=1; AC_SUBST([HAVE_UTIMENSAT]) + REPLACE_FCHMODAT=0; AC_SUBST([REPLACE_FCHMODAT]) REPLACE_FSTAT=0; AC_SUBST([REPLACE_FSTAT]) REPLACE_FSTATAT=0; AC_SUBST([REPLACE_FSTATAT]) REPLACE_FUTIMENS=0; AC_SUBST([REPLACE_FUTIMENS]) diff --git a/m4/sys_time_h.m4 b/m4/sys_time_h.m4 index 3d9233aa9..8fc859924 100644 --- a/m4/sys_time_h.m4 +++ b/m4/sys_time_h.m4 @@ -1,7 +1,7 @@ # Configure a replacement for . # serial 9 -# Copyright (C) 2007, 2009-2019 Free Software Foundation, Inc. +# Copyright (C) 2007, 2009-2020 Free Software Foundation, Inc. # This file is free software; the Free Software Foundation # gives unlimited permission to copy and/or distribute it, # with or without modifications, as long as this notice is preserved. diff --git a/m4/sys_types_h.m4 b/m4/sys_types_h.m4 index be0655900..be918dc0d 100644 --- a/m4/sys_types_h.m4 +++ b/m4/sys_types_h.m4 @@ -1,5 +1,5 @@ # sys_types_h.m4 serial 9 -dnl Copyright (C) 2011-2019 Free Software Foundation, Inc. +dnl Copyright (C) 2011-2020 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. diff --git a/m4/sys_wait_h.m4 b/m4/sys_wait_h.m4 index 6532959ef..8596d13ba 100644 --- a/m4/sys_wait_h.m4 +++ b/m4/sys_wait_h.m4 @@ -1,5 +1,5 @@ # sys_wait_h.m4 serial 6 -dnl Copyright (C) 2008-2019 Free Software Foundation, Inc. +dnl Copyright (C) 2008-2020 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. diff --git a/m4/sysexits.m4 b/m4/sysexits.m4 index 1e9f171ba..2509b3f3f 100644 --- a/m4/sysexits.m4 +++ b/m4/sysexits.m4 @@ -1,5 +1,5 @@ # sysexits.m4 serial 6 -dnl Copyright (C) 2003, 2005, 2007, 2009-2019 Free Software Foundation, Inc. +dnl Copyright (C) 2003, 2005, 2007, 2009-2020 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. diff --git a/m4/tempname.m4 b/m4/tempname.m4 index 664a6322f..da439f07b 100644 --- a/m4/tempname.m4 +++ b/m4/tempname.m4 @@ -1,6 +1,6 @@ #serial 5 -# Copyright (C) 2006-2007, 2009-2019 Free Software Foundation, Inc. +# Copyright (C) 2006-2007, 2009-2020 Free Software Foundation, Inc. # This file is free software; the Free Software Foundation # gives unlimited permission to copy and/or distribute it, # with or without modifications, as long as this notice is preserved. diff --git a/m4/threadlib.m4 b/m4/threadlib.m4 index 045d9dad2..94441f680 100644 --- a/m4/threadlib.m4 +++ b/m4/threadlib.m4 @@ -1,5 +1,5 @@ -# threadlib.m4 serial 20 -dnl Copyright (C) 2005-2019 Free Software Foundation, Inc. +# threadlib.m4 serial 27 +dnl Copyright (C) 2005-2020 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. @@ -8,6 +8,344 @@ dnl From Bruno Haible. AC_PREREQ([2.60]) +dnl The general structure of the multithreading modules in gnulib is that we +dnl have three set of modules: +dnl +dnl * POSIX API: +dnl pthread, which combines +dnl pthread-h +dnl pthread-thread +dnl pthread-once +dnl pthread-mutex +dnl pthread-rwlock +dnl pthread-cond +dnl pthread-tss +dnl pthread-spin +dnl sched_yield +dnl +dnl * ISO C API: +dnl threads, which combines +dnl threads-h +dnl thrd +dnl mtx +dnl cnd +dnl tss +dnl +dnl * Gnulib API, with an implementation that can be chosen at configure +dnl time through the option --enable-threads=... +dnl thread +dnl lock +dnl cond +dnl tls +dnl yield +dnl +dnl They are independent, except for the fact that +dnl - the implementation of the ISO C API may use the POSIX (or some other +dnl platform dependent) API, +dnl - the implementation of the Gnulib API may use the POSIX or ISO C or +dnl some other platform dependent API, depending on the --enable-threads +dnl option. +dnl +dnl This file contains macros for all of these APIs! + +dnl ============================================================================ +dnl Macros for all thread APIs + +AC_DEFUN([gl_ANYTHREADLIB_EARLY], +[ + AC_REQUIRE([AC_CANONICAL_HOST]) + if test -z "$gl_anythreadlib_early_done"; then + case "$host_os" in + osf*) + # On OSF/1, the compiler needs the flag -D_REENTRANT so that it + # groks . cc also understands the flag -pthread, but + # we don't use it because 1. gcc-2.95 doesn't understand -pthread, + # 2. putting a flag into CPPFLAGS that has an effect on the linker + # causes the AC_LINK_IFELSE test below to succeed unexpectedly, + # leading to wrong values of LIBTHREAD and LTLIBTHREAD. + CPPFLAGS="$CPPFLAGS -D_REENTRANT" + ;; + esac + # Some systems optimize for single-threaded programs by default, and + # need special flags to disable these optimizations. For example, the + # definition of 'errno' in . + case "$host_os" in + aix* | freebsd*) CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE" ;; + solaris*) CPPFLAGS="$CPPFLAGS -D_REENTRANT" ;; + esac + gl_anythreadlib_early_done=done + fi +]) + +dnl Checks whether the compiler and linker support weak declarations of symbols. + +AC_DEFUN([gl_WEAK_SYMBOLS], +[ + AC_REQUIRE([AC_CANONICAL_HOST]) + AC_CACHE_CHECK([whether imported symbols can be declared weak], + [gl_cv_have_weak], + [gl_cv_have_weak=no + dnl First, test whether the compiler accepts it syntactically. + AC_LINK_IFELSE( + [AC_LANG_PROGRAM( + [[extern void xyzzy (); +#pragma weak xyzzy]], + [[xyzzy();]])], + [gl_cv_have_weak=maybe]) + if test $gl_cv_have_weak = maybe; then + dnl Second, test whether it actually works. On Cygwin 1.7.2, with + dnl gcc 4.3, symbols declared weak always evaluate to the address 0. + AC_RUN_IFELSE( + [AC_LANG_SOURCE([[ +#include +#pragma weak fputs +int main () +{ + return (fputs == NULL); +}]])], + [gl_cv_have_weak=yes], + [gl_cv_have_weak=no], + [dnl When cross-compiling, assume that only ELF platforms support + dnl weak symbols. + AC_EGREP_CPP([Extensible Linking Format], + [#ifdef __ELF__ + Extensible Linking Format + #endif + ], + [gl_cv_have_weak="guessing yes"], + [gl_cv_have_weak="guessing no"]) + ]) + fi + dnl But when linking statically, weak symbols don't work. + case " $LDFLAGS " in + *" -static "*) gl_cv_have_weak=no ;; + esac + dnl Test for a bug in FreeBSD 11: A link error occurs when using a weak + dnl symbol and linking against a shared library that has a dependency on + dnl the shared library that defines the symbol. + case "$gl_cv_have_weak" in + *yes) + case "$host_os" in + freebsd* | dragonfly*) + : > conftest1.c + $CC $CPPFLAGS $CFLAGS $LDFLAGS -fPIC -shared -o libempty.so conftest1.c -lpthread >&AS_MESSAGE_LOG_FD 2>&1 + cat < conftest2.c +#include +#pragma weak pthread_mutexattr_gettype +int main () +{ + return (pthread_mutexattr_gettype != NULL); +} +EOF + $CC $CPPFLAGS $CFLAGS $LDFLAGS -o conftest conftest2.c libempty.so >&AS_MESSAGE_LOG_FD 2>&1 \ + || gl_cv_have_weak=no + rm -f conftest1.c libempty.so conftest2.c conftest + ;; + esac + ;; + esac + ]) + case "$gl_cv_have_weak" in + *yes) + AC_DEFINE([HAVE_WEAK_SYMBOLS], [1], + [Define to 1 if the compiler and linker support weak declarations of symbols.]) + ;; + esac +]) + +dnl ============================================================================ +dnl Macros for the POSIX API + +dnl gl_PTHREADLIB +dnl ------------- +dnl Tests for the libraries needs for using the POSIX threads API. +dnl Sets the variable LIBPTHREAD to the linker options for use in a Makefile. +dnl Sets the variable LIBPMULTITHREAD, for programs that really need +dnl multithread functionality. The difference between LIBPTHREAD and +dnl LIBPMULTITHREAD is that on platforms supporting weak symbols, typically +dnl LIBPTHREAD is empty whereas LIBPMULTITHREAD is not. +dnl Sets the variable LIB_SCHED_YIELD to the linker options needed to use the +dnl sched_yield() function. +dnl Adds to CPPFLAGS the flag -D_REENTRANT or -D_THREAD_SAFE if needed for +dnl multithread-safe programs. +dnl Defines the C macro HAVE_PTHREAD_API if (at least parts of) the POSIX +dnl threads API is available. + +dnl The guts of gl_PTHREADLIB. Needs to be expanded only once. + +AC_DEFUN([gl_PTHREADLIB_BODY], +[ + AC_REQUIRE([gl_ANYTHREADLIB_EARLY]) + if test -z "$gl_pthreadlib_body_done"; then + gl_pthread_api=no + LIBPTHREAD= + LIBPMULTITHREAD= + # On OSF/1, the compiler needs the flag -pthread or -D_REENTRANT so that + # it groks . It's added above, in gl_ANYTHREADLIB_EARLY. + AC_CHECK_HEADER([pthread.h], + [gl_have_pthread_h=yes], [gl_have_pthread_h=no]) + if test "$gl_have_pthread_h" = yes; then + # Other possible tests: + # -lpthreads (FSU threads, PCthreads) + # -lgthreads + # Test whether both pthread_mutex_lock and pthread_mutexattr_init exist + # in libc. IRIX 6.5 has the first one in both libc and libpthread, but + # the second one only in libpthread, and lock.c needs it. + # + # If -pthread works, prefer it to -lpthread, since Ubuntu 14.04 + # needs -pthread for some reason. See: + # https://lists.gnu.org/r/bug-gnulib/2014-09/msg00023.html + save_LIBS=$LIBS + for gl_pthread in '' '-pthread'; do + LIBS="$LIBS $gl_pthread" + AC_LINK_IFELSE( + [AC_LANG_PROGRAM( + [[#include + pthread_mutex_t m; + pthread_mutexattr_t ma; + ]], + [[pthread_mutex_lock (&m); + pthread_mutexattr_init (&ma);]])], + [gl_pthread_api=yes + LIBPTHREAD=$gl_pthread + LIBPMULTITHREAD=$gl_pthread]) + LIBS=$save_LIBS + test $gl_pthread_api = yes && break + done + + # Test for libpthread by looking for pthread_kill. (Not pthread_self, + # since it is defined as a macro on OSF/1.) + if test $gl_pthread_api = yes && test -z "$LIBPTHREAD"; then + # The program links fine without libpthread. But it may actually + # need to link with libpthread in order to create multiple threads. + AC_CHECK_LIB([pthread], [pthread_kill], + [LIBPMULTITHREAD=-lpthread + # On Solaris and HP-UX, most pthread functions exist also in libc. + # Therefore pthread_in_use() needs to actually try to create a + # thread: pthread_create from libc will fail, whereas + # pthread_create will actually create a thread. + # On Solaris 10 or newer, this test is no longer needed, because + # libc contains the fully functional pthread functions. + case "$host_os" in + solaris | solaris2.[1-9] | solaris2.[1-9].* | hpux*) + AC_DEFINE([PTHREAD_IN_USE_DETECTION_HARD], [1], + [Define if the pthread_in_use() detection is hard.]) + esac + ]) + elif test $gl_pthread_api != yes; then + # Some library is needed. Try libpthread and libc_r. + AC_CHECK_LIB([pthread], [pthread_kill], + [gl_pthread_api=yes + LIBPTHREAD=-lpthread + LIBPMULTITHREAD=-lpthread]) + if test $gl_pthread_api != yes; then + # For FreeBSD 4. + AC_CHECK_LIB([c_r], [pthread_kill], + [gl_pthread_api=yes + LIBPTHREAD=-lc_r + LIBPMULTITHREAD=-lc_r]) + fi + fi + fi + AC_MSG_CHECKING([whether POSIX threads API is available]) + AC_MSG_RESULT([$gl_pthread_api]) + AC_SUBST([LIBPTHREAD]) + AC_SUBST([LIBPMULTITHREAD]) + if test $gl_pthread_api = yes; then + AC_DEFINE([HAVE_PTHREAD_API], [1], + [Define if you have the header and the POSIX threads API.]) + fi + + dnl On some systems, sched_yield is in librt, rather than in libpthread. + AC_LINK_IFELSE( + [AC_LANG_PROGRAM( + [[#include ]], + [[sched_yield ();]])], + [LIB_SCHED_YIELD= + ], + [dnl Solaris 7...10 has sched_yield in librt, not in libpthread or libc. + AC_CHECK_LIB([rt], [sched_yield], [LIB_SCHED_YIELD=-lrt], + [dnl Solaris 2.5.1, 2.6 has sched_yield in libposix4, not librt. + AC_CHECK_LIB([posix4], [sched_yield], [LIB_SCHED_YIELD=-lposix4])]) + ]) + AC_SUBST([LIB_SCHED_YIELD]) + + gl_pthreadlib_body_done=done + fi +]) + +AC_DEFUN([gl_PTHREADLIB], +[ + AC_REQUIRE([gl_ANYTHREADLIB_EARLY]) + gl_PTHREADLIB_BODY +]) + +dnl ============================================================================ +dnl Macros for the ISO C API + +dnl gl_STDTHREADLIB +dnl --------------- +dnl Tests for the libraries needs for using the ISO C threads API. +dnl Sets the variable LIBSTDTHREAD to the linker options for use in a Makefile. +dnl Adds to CPPFLAGS the flag -D_REENTRANT or -D_THREAD_SAFE if needed for +dnl multithread-safe programs. +dnl Defines the C macro HAVE_THREADS_H if (at least parts of) the ISO C threads +dnl API is available. + +dnl The guts of gl_STDTHREADLIB. Needs to be expanded only once. + +AC_DEFUN([gl_STDTHREADLIB_BODY], +[ + AC_REQUIRE([gl_ANYTHREADLIB_EARLY]) + AC_REQUIRE([AC_CANONICAL_HOST]) + if test -z "$gl_stdthreadlib_body_done"; then + AC_CHECK_HEADERS_ONCE([threads.h]) + + case "$host_os" in + mingw*) + LIBSTDTHREAD= + ;; + *) + gl_PTHREADLIB_BODY + if test $ac_cv_header_threads_h = yes; then + dnl glibc >= 2.29 has thrd_create in libpthread. + dnl FreeBSD >= 10 has thrd_create in libstdthreads; this library depends + dnl on libpthread (for the symbol 'pthread_mutexattr_gettype'). + dnl AIX >= 7.1 and Solaris >= 11.4 have thrd_create in libc. + AC_CHECK_FUNCS([thrd_create]) + if test $ac_cv_func_thrd_create = yes; then + LIBSTDTHREAD= + else + AC_CHECK_LIB([stdthreads], [thrd_create], [ + LIBSTDTHREAD='-lstdthreads -lpthread' + ], [ + dnl Guess that thrd_create is in libpthread. + LIBSTDTHREAD="$LIBPMULTITHREAD" + ]) + fi + else + dnl Libraries needed by thrd.c, mtx.c, cnd.c, tss.c. + LIBSTDTHREAD="$LIBPMULTITHREAD $LIB_SCHED_YIELD" + fi + ;; + esac + AC_SUBST([LIBSTDTHREAD]) + + AC_MSG_CHECKING([whether ISO C threads API is available]) + AC_MSG_RESULT([$ac_cv_header_threads_h]) + gl_stdthreadlib_body_done=done + fi +]) + +AC_DEFUN([gl_STDTHREADLIB], +[ + AC_REQUIRE([gl_ANYTHREADLIB_EARLY]) + gl_STDTHREADLIB_BODY +]) + +dnl ============================================================================ +dnl Macros for the Gnulib API + dnl gl_THREADLIB dnl ------------ dnl Tests for a multithreading library to be used. @@ -16,7 +354,13 @@ dnl (it must be placed before the invocation of gl_THREADLIB_EARLY!), then the dnl default is 'no', otherwise it is system dependent. In both cases, the user dnl can change the choice through the options --enable-threads=choice or dnl --disable-threads. -dnl Defines at most one of the macros USE_POSIX_THREADS, USE_WINDOWS_THREADS. +dnl Defines at most one of the macros USE_ISOC_THREADS, USE_POSIX_THREADS, +dnl USE_ISOC_AND_POSIX_THREADS, USE_WINDOWS_THREADS. +dnl The choice --enable-threads=isoc+posix is available only on platforms that +dnl have both the ISO C and the POSIX threads APIs. It has the effect of using +dnl the ISO C API for most things and the POSIX API only for creating and +dnl controlling threads (because there is no equivalent to pthread_atfork in +dnl the ISO C API). dnl Sets the variables LIBTHREAD and LTLIBTHREAD to the linker options for use dnl in a Makefile (LIBTHREAD for use without libtool, LTLIBTHREAD for use with dnl libtool). @@ -54,7 +398,7 @@ AC_DEFUN([gl_THREADLIB_EARLY_BODY], [m4_divert_text([DEFAULTS], [gl_use_threads_default=])]) m4_divert_text([DEFAULTS], [gl_use_winpthreads_default=]) AC_ARG_ENABLE([threads], -AC_HELP_STRING([--enable-threads={posix|windows}], [specify multithreading API])m4_ifdef([gl_THREADLIB_DEFAULT_NO], [], [ +AC_HELP_STRING([--enable-threads={isoc|posix|isoc+posix|windows}], [specify multithreading API])m4_ifdef([gl_THREADLIB_DEFAULT_NO], [], [ AC_HELP_STRING([--disable-threads], [build without multithread safety])]), [gl_use_threads=$enableval], [if test -n "$gl_use_threads_default"; then @@ -88,26 +432,12 @@ changequote(,)dnl changequote([,])dnl fi ]) - if test "$gl_use_threads" = yes || test "$gl_use_threads" = posix; then - # For using : - case "$host_os" in - osf*) - # On OSF/1, the compiler needs the flag -D_REENTRANT so that it - # groks . cc also understands the flag -pthread, but - # we don't use it because 1. gcc-2.95 doesn't understand -pthread, - # 2. putting a flag into CPPFLAGS that has an effect on the linker - # causes the AC_LINK_IFELSE test below to succeed unexpectedly, - # leading to wrong values of LIBTHREAD and LTLIBTHREAD. - CPPFLAGS="$CPPFLAGS -D_REENTRANT" - ;; - esac - # Some systems optimize for single-threaded programs by default, and - # need special flags to disable these optimizations. For example, the - # definition of 'errno' in . - case "$host_os" in - aix* | freebsd*) CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE" ;; - solaris*) CPPFLAGS="$CPPFLAGS -D_REENTRANT" ;; - esac + if test "$gl_use_threads" = yes \ + || test "$gl_use_threads" = isoc \ + || test "$gl_use_threads" = posix \ + || test "$gl_use_threads" = isoc+posix; then + # For using or : + gl_ANYTHREADLIB_EARLY fi ]) @@ -123,45 +453,7 @@ AC_DEFUN([gl_THREADLIB_BODY], LTLIBMULTITHREAD= if test "$gl_use_threads" != no; then dnl Check whether the compiler and linker support weak declarations. - AC_CACHE_CHECK([whether imported symbols can be declared weak], - [gl_cv_have_weak], - [gl_cv_have_weak=no - dnl First, test whether the compiler accepts it syntactically. - AC_LINK_IFELSE( - [AC_LANG_PROGRAM( - [[extern void xyzzy (); -#pragma weak xyzzy]], - [[xyzzy();]])], - [gl_cv_have_weak=maybe]) - if test $gl_cv_have_weak = maybe; then - dnl Second, test whether it actually works. On Cygwin 1.7.2, with - dnl gcc 4.3, symbols declared weak always evaluate to the address 0. - AC_RUN_IFELSE( - [AC_LANG_SOURCE([[ -#include -#pragma weak fputs -int main () -{ - return (fputs == NULL); -}]])], - [gl_cv_have_weak=yes], - [gl_cv_have_weak=no], - [dnl When cross-compiling, assume that only ELF platforms support - dnl weak symbols. - AC_EGREP_CPP([Extensible Linking Format], - [#ifdef __ELF__ - Extensible Linking Format - #endif - ], - [gl_cv_have_weak="guessing yes"], - [gl_cv_have_weak="guessing no"]) - ]) - fi - dnl But when linking statically, weak symbols don't work. - case " $LDFLAGS " in - *" -static "*) gl_cv_have_weak=no ;; - esac - ]) + gl_WEAK_SYMBOLS if case "$gl_cv_have_weak" in *yes) true;; *) false;; esac; then dnl If we use weak symbols to implement pthread_in_use / pth_in_use / dnl thread_in_use, we also need to test whether the ISO C 11 thrd_create @@ -169,75 +461,23 @@ int main () AC_CHECK_HEADERS_ONCE([threads.h]) : fi - if test "$gl_use_threads" = yes || test "$gl_use_threads" = posix; then - # On OSF/1, the compiler needs the flag -pthread or -D_REENTRANT so that - # it groks . It's added above, in gl_THREADLIB_EARLY_BODY. - AC_CHECK_HEADER([pthread.h], - [gl_have_pthread_h=yes], [gl_have_pthread_h=no]) - if test "$gl_have_pthread_h" = yes; then - # Other possible tests: - # -lpthreads (FSU threads, PCthreads) - # -lgthreads - gl_have_pthread= - # Test whether both pthread_mutex_lock and pthread_mutexattr_init exist - # in libc. IRIX 6.5 has the first one in both libc and libpthread, but - # the second one only in libpthread, and lock.c needs it. - # - # If -pthread works, prefer it to -lpthread, since Ubuntu 14.04 - # needs -pthread for some reason. See: - # https://lists.gnu.org/r/bug-gnulib/2014-09/msg00023.html - save_LIBS=$LIBS - for gl_pthread in '' '-pthread'; do - LIBS="$LIBS $gl_pthread" - AC_LINK_IFELSE( - [AC_LANG_PROGRAM( - [[#include - pthread_mutex_t m; - pthread_mutexattr_t ma; - ]], - [[pthread_mutex_lock (&m); - pthread_mutexattr_init (&ma);]])], - [gl_have_pthread=yes - LIBTHREAD=$gl_pthread LTLIBTHREAD=$gl_pthread - LIBMULTITHREAD=$gl_pthread LTLIBMULTITHREAD=$gl_pthread]) - LIBS=$save_LIBS - test -n "$gl_have_pthread" && break - done - - # Test for libpthread by looking for pthread_kill. (Not pthread_self, - # since it is defined as a macro on OSF/1.) - if test -n "$gl_have_pthread" && test -z "$LIBTHREAD"; then - # The program links fine without libpthread. But it may actually - # need to link with libpthread in order to create multiple threads. - AC_CHECK_LIB([pthread], [pthread_kill], - [LIBMULTITHREAD=-lpthread LTLIBMULTITHREAD=-lpthread - # On Solaris and HP-UX, most pthread functions exist also in libc. - # Therefore pthread_in_use() needs to actually try to create a - # thread: pthread_create from libc will fail, whereas - # pthread_create will actually create a thread. - # On Solaris 10 or newer, this test is no longer needed, because - # libc contains the fully functional pthread functions. - case "$host_os" in - solaris | solaris2.[1-9] | solaris2.[1-9].* | hpux*) - AC_DEFINE([PTHREAD_IN_USE_DETECTION_HARD], [1], - [Define if the pthread_in_use() detection is hard.]) - esac - ]) - elif test -z "$gl_have_pthread"; then - # Some library is needed. Try libpthread and libc_r. - AC_CHECK_LIB([pthread], [pthread_kill], - [gl_have_pthread=yes - LIBTHREAD=-lpthread LTLIBTHREAD=-lpthread - LIBMULTITHREAD=-lpthread LTLIBMULTITHREAD=-lpthread]) - if test -z "$gl_have_pthread"; then - # For FreeBSD 4. - AC_CHECK_LIB([c_r], [pthread_kill], - [gl_have_pthread=yes - LIBTHREAD=-lc_r LTLIBTHREAD=-lc_r - LIBMULTITHREAD=-lc_r LTLIBMULTITHREAD=-lc_r]) - fi - fi - if test -n "$gl_have_pthread"; then + if test "$gl_use_threads" = isoc || test "$gl_use_threads" = isoc+posix; then + AC_CHECK_HEADERS_ONCE([threads.h]) + gl_have_isoc_threads="$ac_cv_header_threads_h" + fi + if test "$gl_use_threads" = yes \ + || test "$gl_use_threads" = posix \ + || test "$gl_use_threads" = isoc+posix; then + gl_PTHREADLIB_BODY + LIBTHREAD=$LIBPTHREAD LTLIBTHREAD=$LIBPTHREAD + LIBMULTITHREAD=$LIBPMULTITHREAD LTLIBMULTITHREAD=$LIBPMULTITHREAD + if test $gl_pthread_api = yes; then + if test "$gl_use_threads" = isoc+posix && test "$gl_have_isoc_threads" = yes; then + gl_threads_api='isoc+posix' + AC_DEFINE([USE_ISOC_AND_POSIX_THREADS], [1], + [Define if the combination of the ISO C and POSIX multithreading APIs can be used.]) + LIBTHREAD= LTLIBTHREAD= + else gl_threads_api=posix AC_DEFINE([USE_POSIX_THREADS], [1], [Define if the POSIX multithreading library can be used.]) @@ -245,14 +485,23 @@ int main () if case "$gl_cv_have_weak" in *yes) true;; *) false;; esac; then AC_DEFINE([USE_POSIX_THREADS_WEAK], [1], [Define if references to the POSIX multithreading library should be made weak.]) - LIBTHREAD= - LTLIBTHREAD= + LIBTHREAD= LTLIBTHREAD= fi fi fi fi fi - if test -z "$gl_have_pthread"; then + if test $gl_threads_api = none; then + if test "$gl_use_threads" = isoc && test "$gl_have_isoc_threads" = yes; then + gl_STDTHREADLIB_BODY + LIBTHREAD=$LIBSTDTHREAD LTLIBTHREAD=$LIBSTDTHREAD + LIBMULTITHREAD=$LIBSTDTHREAD LTLIBMULTITHREAD=$LIBSTDTHREAD + gl_threads_api=isoc + AC_DEFINE([USE_ISOC_THREADS], [1], + [Define if the ISO C multithreading library can be used.]) + fi + fi + if test $gl_threads_api = none; then case "$gl_use_threads" in yes | windows | win32) # The 'win32' is for backward compatibility. if { case "$host_os" in @@ -306,6 +555,9 @@ AC_DEFUN([gl_AVOID_WINPTHREAD], [ ]) +dnl ============================================================================ + + dnl Survey of platforms: dnl dnl Platform Available Compiler Supports test-lock diff --git a/m4/time_h.m4 b/m4/time_h.m4 index f08f29b35..d0f89327c 100644 --- a/m4/time_h.m4 +++ b/m4/time_h.m4 @@ -1,8 +1,8 @@ # Configure a more-standard replacement for . -# Copyright (C) 2000-2001, 2003-2007, 2009-2019 Free Software Foundation, Inc. +# Copyright (C) 2000-2001, 2003-2007, 2009-2020 Free Software Foundation, Inc. -# serial 11 +# serial 12 # This file is free software; the Free Software Foundation # gives unlimited permission to copy and/or distribute it, @@ -19,10 +19,12 @@ AC_DEFUN([gl_HEADER_TIME_H], AC_DEFUN([gl_HEADER_TIME_H_BODY], [ - AC_REQUIRE([AC_C_RESTRICT]) AC_REQUIRE([gl_HEADER_TIME_H_DEFAULTS]) + gl_NEXT_HEADERS([time.h]) AC_REQUIRE([gl_CHECK_TYPE_STRUCT_TIMESPEC]) + + AC_REQUIRE([AC_C_RESTRICT]) ]) dnl Check whether 'struct timespec' is declared diff --git a/m4/unistd_h.m4 b/m4/unistd_h.m4 index a3b3905f8..e776f3bd4 100644 --- a/m4/unistd_h.m4 +++ b/m4/unistd_h.m4 @@ -1,5 +1,5 @@ -# unistd_h.m4 serial 75 -dnl Copyright (C) 2006-2019 Free Software Foundation, Inc. +# unistd_h.m4 serial 78 +dnl Copyright (C) 2006-2020 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. @@ -41,13 +41,15 @@ AC_DEFUN([gl_UNISTD_H], # include # endif #endif - ]], [chdir chown dup dup2 dup3 environ euidaccess faccessat fchdir fchownat - fdatasync fsync ftruncate getcwd getdomainname getdtablesize getgroups - gethostname getlogin getlogin_r getpagesize getpass + ]], [access chdir chown dup dup2 dup3 environ euidaccess faccessat fchdir + fchownat fdatasync fsync ftruncate getcwd getdomainname getdtablesize + getgroups gethostname getlogin getlogin_r getpagesize getpass getusershell setusershell endusershell group_member isatty lchown link linkat lseek pipe pipe2 pread pwrite readlink readlinkat rmdir sethostname sleep symlink symlinkat truncate ttyname_r unlink unlinkat usleep]) + + AC_REQUIRE([AC_C_RESTRICT]) ]) AC_DEFUN([gl_UNISTD_MODULE_INDICATOR], @@ -61,6 +63,7 @@ AC_DEFUN([gl_UNISTD_MODULE_INDICATOR], AC_DEFUN([gl_UNISTD_H_DEFAULTS], [ + GNULIB_ACCESS=0; AC_SUBST([GNULIB_ACCESS]) GNULIB_CHDIR=0; AC_SUBST([GNULIB_CHDIR]) GNULIB_CHOWN=0; AC_SUBST([GNULIB_CHOWN]) GNULIB_CLOSE=0; AC_SUBST([GNULIB_CLOSE]) @@ -83,6 +86,7 @@ AC_DEFUN([gl_UNISTD_H_DEFAULTS], GNULIB_GETHOSTNAME=0; AC_SUBST([GNULIB_GETHOSTNAME]) GNULIB_GETLOGIN=0; AC_SUBST([GNULIB_GETLOGIN]) GNULIB_GETLOGIN_R=0; AC_SUBST([GNULIB_GETLOGIN_R]) + GNULIB_GETOPT_POSIX=0; AC_SUBST([GNULIB_GETOPT_POSIX]) GNULIB_GETPAGESIZE=0; AC_SUBST([GNULIB_GETPAGESIZE]) GNULIB_GETPASS=0; AC_SUBST([GNULIB_GETPASS]) GNULIB_GETUSERSHELL=0; AC_SUBST([GNULIB_GETUSERSHELL]) @@ -159,6 +163,7 @@ AC_DEFUN([gl_UNISTD_H_DEFAULTS], HAVE_DECL_TTYNAME_R=1; AC_SUBST([HAVE_DECL_TTYNAME_R]) HAVE_OS_H=0; AC_SUBST([HAVE_OS_H]) HAVE_SYS_PARAM_H=0; AC_SUBST([HAVE_SYS_PARAM_H]) + REPLACE_ACCESS=0; AC_SUBST([REPLACE_ACCESS]) REPLACE_CHOWN=0; AC_SUBST([REPLACE_CHOWN]) REPLACE_CLOSE=0; AC_SUBST([REPLACE_CLOSE]) REPLACE_DUP=0; AC_SUBST([REPLACE_DUP]) diff --git a/m4/vasnprintf.m4 b/m4/vasnprintf.m4 index b763a3da6..456706184 100644 --- a/m4/vasnprintf.m4 +++ b/m4/vasnprintf.m4 @@ -1,5 +1,5 @@ -# vasnprintf.m4 serial 36 -dnl Copyright (C) 2002-2004, 2006-2019 Free Software Foundation, Inc. +# vasnprintf.m4 serial 37 +dnl Copyright (C) 2002-2004, 2006-2020 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. @@ -32,7 +32,6 @@ AC_DEFUN([gl_REPLACE_VASNPRINTF], # Prerequisites of lib/printf-args.h, lib/printf-args.c. AC_DEFUN([gl_PREREQ_PRINTF_ARGS], [ - AC_REQUIRE([AC_TYPE_LONG_LONG_INT]) AC_REQUIRE([gt_TYPE_WCHAR_T]) AC_REQUIRE([gt_TYPE_WINT_T]) ]) @@ -41,7 +40,6 @@ AC_DEFUN([gl_PREREQ_PRINTF_ARGS], AC_DEFUN([gl_PREREQ_PRINTF_PARSE], [ AC_REQUIRE([gl_FEATURES_H]) - AC_REQUIRE([AC_TYPE_LONG_LONG_INT]) AC_REQUIRE([gt_TYPE_WCHAR_T]) AC_REQUIRE([gt_TYPE_WINT_T]) AC_REQUIRE([AC_TYPE_SIZE_T]) @@ -56,7 +54,6 @@ AC_DEFUN([gl_PREREQ_PRINTF_PARSE], AC_DEFUN_ONCE([gl_PREREQ_VASNPRINTF], [ AC_REQUIRE([AC_FUNC_ALLOCA]) - AC_REQUIRE([AC_TYPE_LONG_LONG_INT]) AC_REQUIRE([gt_TYPE_WCHAR_T]) AC_REQUIRE([gt_TYPE_WINT_T]) AC_CHECK_FUNCS([snprintf strnlen wcslen wcsnlen mbrtowc wcrtomb]) diff --git a/m4/visibility.m4 b/m4/visibility.m4 new file mode 100644 index 000000000..9f493babb --- /dev/null +++ b/m4/visibility.m4 @@ -0,0 +1,77 @@ +# visibility.m4 serial 6 +dnl Copyright (C) 2005, 2008, 2010-2020 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl From Bruno Haible. + +dnl Tests whether the compiler supports the command-line option +dnl -fvisibility=hidden and the function and variable attributes +dnl __attribute__((__visibility__("hidden"))) and +dnl __attribute__((__visibility__("default"))). +dnl Does *not* test for __visibility__("protected") - which has tricky +dnl semantics (see the 'vismain' test in glibc) and does not exist e.g. on +dnl Mac OS X. +dnl Does *not* test for __visibility__("internal") - which has processor +dnl dependent semantics. +dnl Does *not* test for #pragma GCC visibility push(hidden) - which is +dnl "really only recommended for legacy code". +dnl Set the variable CFLAG_VISIBILITY. +dnl Defines and sets the variable HAVE_VISIBILITY. + +AC_DEFUN([gl_VISIBILITY], +[ + AC_REQUIRE([AC_PROG_CC]) + CFLAG_VISIBILITY= + HAVE_VISIBILITY=0 + if test -n "$GCC"; then + dnl First, check whether -Werror can be added to the command line, or + dnl whether it leads to an error because of some other option that the + dnl user has put into $CC $CFLAGS $CPPFLAGS. + AC_CACHE_CHECK([whether the -Werror option is usable], + [gl_cv_cc_vis_werror], + [gl_save_CFLAGS="$CFLAGS" + CFLAGS="$CFLAGS -Werror" + AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM([[]], [[]])], + [gl_cv_cc_vis_werror=yes], + [gl_cv_cc_vis_werror=no]) + CFLAGS="$gl_save_CFLAGS" + ]) + dnl Now check whether visibility declarations are supported. + AC_CACHE_CHECK([for simple visibility declarations], + [gl_cv_cc_visibility], + [gl_save_CFLAGS="$CFLAGS" + CFLAGS="$CFLAGS -fvisibility=hidden" + dnl We use the option -Werror and a function dummyfunc, because on some + dnl platforms (Cygwin 1.7) the use of -fvisibility triggers a warning + dnl "visibility attribute not supported in this configuration; ignored" + dnl at the first function definition in every compilation unit, and we + dnl don't want to use the option in this case. + if test $gl_cv_cc_vis_werror = yes; then + CFLAGS="$CFLAGS -Werror" + fi + AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM( + [[extern __attribute__((__visibility__("hidden"))) int hiddenvar; + extern __attribute__((__visibility__("default"))) int exportedvar; + extern __attribute__((__visibility__("hidden"))) int hiddenfunc (void); + extern __attribute__((__visibility__("default"))) int exportedfunc (void); + void dummyfunc (void) {} + ]], + [[]])], + [gl_cv_cc_visibility=yes], + [gl_cv_cc_visibility=no]) + CFLAGS="$gl_save_CFLAGS" + ]) + if test $gl_cv_cc_visibility = yes; then + CFLAG_VISIBILITY="-fvisibility=hidden" + HAVE_VISIBILITY=1 + fi + fi + AC_SUBST([CFLAG_VISIBILITY]) + AC_SUBST([HAVE_VISIBILITY]) + AC_DEFINE_UNQUOTED([HAVE_VISIBILITY], [$HAVE_VISIBILITY], + [Define to 1 or 0, depending whether the compiler supports simple visibility declarations.]) +]) diff --git a/m4/vsnprintf.m4 b/m4/vsnprintf.m4 index 739c9048c..065d2346d 100644 --- a/m4/vsnprintf.m4 +++ b/m4/vsnprintf.m4 @@ -1,5 +1,5 @@ # vsnprintf.m4 serial 7 -dnl Copyright (C) 2002-2004, 2007-2019 Free Software Foundation, Inc. +dnl Copyright (C) 2002-2004, 2007-2020 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. diff --git a/m4/warn-on-use.m4 b/m4/warn-on-use.m4 index 7ebe2d317..5c8ee4509 100644 --- a/m4/warn-on-use.m4 +++ b/m4/warn-on-use.m4 @@ -1,5 +1,5 @@ # warn-on-use.m4 serial 6 -dnl Copyright (C) 2010-2019 Free Software Foundation, Inc. +dnl Copyright (C) 2010-2020 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. diff --git a/m4/wchar_h.m4 b/m4/wchar_h.m4 index cd20e7a0c..be09020b1 100644 --- a/m4/wchar_h.m4 +++ b/m4/wchar_h.m4 @@ -1,13 +1,13 @@ dnl A placeholder for ISO C99 , for platforms that have issues. -dnl Copyright (C) 2007-2019 Free Software Foundation, Inc. +dnl Copyright (C) 2007-2020 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. dnl Written by Eric Blake. -# wchar_h.m4 serial 43 +# wchar_h.m4 serial 45 AC_DEFUN([gl_WCHAR_H], [ @@ -57,6 +57,8 @@ AC_DEFUN([gl_WCHAR_H], wcsncmp wcscasecmp wcsncasecmp wcscoll wcsxfrm wcsdup wcschr wcsrchr wcscspn wcsspn wcspbrk wcsstr wcstok wcswidth wcsftime ]) + + AC_REQUIRE([AC_C_RESTRICT]) ]) dnl Check whether is usable at all. @@ -237,4 +239,5 @@ AC_DEFUN([gl_WCHAR_H_DEFAULTS], REPLACE_WCWIDTH=0; AC_SUBST([REPLACE_WCWIDTH]) REPLACE_WCSWIDTH=0; AC_SUBST([REPLACE_WCSWIDTH]) REPLACE_WCSFTIME=0; AC_SUBST([REPLACE_WCSFTIME]) + REPLACE_WCSTOK=0; AC_SUBST([REPLACE_WCSTOK]) ]) diff --git a/m4/wchar_t.m4 b/m4/wchar_t.m4 index 5db581520..e48d46493 100644 --- a/m4/wchar_t.m4 +++ b/m4/wchar_t.m4 @@ -1,5 +1,5 @@ # wchar_t.m4 serial 4 (gettext-0.18.2) -dnl Copyright (C) 2002-2003, 2008-2019 Free Software Foundation, Inc. +dnl Copyright (C) 2002-2003, 2008-2020 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. diff --git a/m4/wctype_h.m4 b/m4/wctype_h.m4 index 6903d7583..5c844b60a 100644 --- a/m4/wctype_h.m4 +++ b/m4/wctype_h.m4 @@ -1,8 +1,8 @@ -# wctype_h.m4 serial 21 +# wctype_h.m4 serial 24 dnl A placeholder for ISO C99 , for platforms that lack it. -dnl Copyright (C) 2006-2019 Free Software Foundation, Inc. +dnl Copyright (C) 2006-2020 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. @@ -69,10 +69,14 @@ AC_DEFUN([gl_WCTYPE_H], fi AC_SUBST([HAVE_WCTYPE_H]) - case "$gl_cv_func_iswcntrl_works" in - *yes) REPLACE_ISWCNTRL=0 ;; - *) REPLACE_ISWCNTRL=1 ;; - esac + if test $GNULIB_OVERRIDES_WINT_T = 1; then + REPLACE_ISWCNTRL=1 + else + case "$gl_cv_func_iswcntrl_works" in + *yes) REPLACE_ISWCNTRL=0 ;; + *) REPLACE_ISWCNTRL=1 ;; + esac + fi AC_SUBST([REPLACE_ISWCNTRL]) if test $HAVE_ISWCNTRL = 0 || test $REPLACE_ISWCNTRL = 1; then @@ -200,6 +204,8 @@ AC_DEFUN([gl_WCTYPE_MODULE_INDICATOR], AC_DEFUN([gl_WCTYPE_H_DEFAULTS], [ GNULIB_ISWBLANK=0; AC_SUBST([GNULIB_ISWBLANK]) + GNULIB_ISWDIGIT=0; AC_SUBST([GNULIB_ISWDIGIT]) + GNULIB_ISWXDIGIT=0; AC_SUBST([GNULIB_ISWXDIGIT]) GNULIB_WCTYPE=0; AC_SUBST([GNULIB_WCTYPE]) GNULIB_ISWCTYPE=0; AC_SUBST([GNULIB_ISWCTYPE]) GNULIB_WCTRANS=0; AC_SUBST([GNULIB_WCTRANS]) @@ -209,4 +215,6 @@ AC_DEFUN([gl_WCTYPE_H_DEFAULTS], HAVE_WCTYPE_T=1; AC_SUBST([HAVE_WCTYPE_T]) HAVE_WCTRANS_T=1; AC_SUBST([HAVE_WCTRANS_T]) REPLACE_ISWBLANK=0; AC_SUBST([REPLACE_ISWBLANK]) + REPLACE_ISWDIGIT=0; AC_SUBST([REPLACE_ISWDIGIT]) + REPLACE_ISWXDIGIT=0; AC_SUBST([REPLACE_ISWXDIGIT]) ]) diff --git a/m4/wint_t.m4 b/m4/wint_t.m4 index 61e8a23d2..877fd86c7 100644 --- a/m4/wint_t.m4 +++ b/m4/wint_t.m4 @@ -1,5 +1,5 @@ # wint_t.m4 serial 7 -dnl Copyright (C) 2003, 2007-2019 Free Software Foundation, Inc. +dnl Copyright (C) 2003, 2007-2020 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. diff --git a/m4/xalloc.m4 b/m4/xalloc.m4 index dfff94319..a55687007 100644 --- a/m4/xalloc.m4 +++ b/m4/xalloc.m4 @@ -1,5 +1,5 @@ # xalloc.m4 serial 18 -dnl Copyright (C) 2002-2006, 2009-2019 Free Software Foundation, Inc. +dnl Copyright (C) 2002-2006, 2009-2020 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. diff --git a/m4/xsize.m4 b/m4/xsize.m4 index f2898ba1a..978f99ab6 100644 --- a/m4/xsize.m4 +++ b/m4/xsize.m4 @@ -1,5 +1,5 @@ # xsize.m4 serial 5 -dnl Copyright (C) 2003-2004, 2008-2019 Free Software Foundation, Inc. +dnl Copyright (C) 2003-2004, 2008-2020 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. diff --git a/m4/zzgnulib.m4 b/m4/zzgnulib.m4 new file mode 100644 index 000000000..98fa68f51 --- /dev/null +++ b/m4/zzgnulib.m4 @@ -0,0 +1,23 @@ +# zzgnulib.m4 serial 1 +dnl Copyright (C) 2020 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl This file must be named something that sorts after all other +dnl package- or gnulib-provided .m4 files - at least for those packages +dnl that redefine AC_PROG_CC. + +dnl Redefine AC_PROG_CC so that it ends with invocations of gl_COMPILER_CLANG +dnl and gl_COMPILER_PREPARE_CHECK_DECL. +m4_define([AC_PROG_CC], + m4_defn([AC_PROG_CC])[ +gl_COMPILER_CLANG +gl_COMPILER_PREPARE_CHECK_DECL +]) + +# gl_ZZGNULIB +# ----------- +# Witness macro that this file has been included. Needed to force +# Automake to include this file after all other gnulib .m4 files. +AC_DEFUN([gl_ZZGNULIB]) diff --git a/tools/config.rpath b/tools/config.rpath deleted file mode 100755 index be202c1a9..000000000 --- a/tools/config.rpath +++ /dev/null @@ -1,684 +0,0 @@ -#! /bin/sh -# Output a system dependent set of variables, describing how to set the -# run time search path of shared libraries in an executable. -# -# Copyright 1996-2019 Free Software Foundation, Inc. -# Taken from GNU libtool, 2001 -# Originally by Gordon Matzigkeit , 1996 -# -# This file is free software; the Free Software Foundation gives -# unlimited permission to copy and/or distribute it, with or without -# modifications, as long as this notice is preserved. -# -# The first argument passed to this file is the canonical host specification, -# CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM -# or -# CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM -# The environment variables CC, GCC, LDFLAGS, LD, with_gnu_ld -# should be set by the caller. -# -# The set of defined variables is at the end of this script. - -# Known limitations: -# - On IRIX 6.5 with CC="cc", the run time search patch must not be longer -# than 256 bytes, otherwise the compiler driver will dump core. 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