spot/lib/fcntl.in.h
Alexandre Duret-Lutz 1e86463205 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.
2020-04-16 21:12:30 +02:00

398 lines
11 KiB
C

/* Like <fcntl.h>, but with non-working flags defined to 0.
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
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 <https://www.gnu.org/licenses/>. */
/* written by Paul Eggert */
#if __GNUC__ >= 3
@PRAGMA_SYSTEM_HEADER@
#endif
@PRAGMA_COLUMNS@
#if defined __need_system_fcntl_h
/* Special invocation convention. */
/* Needed before <sys/stat.h>.
May also define off_t to a 64-bit type on native Windows. */
#include <sys/types.h>
/* On some systems other than glibc, <sys/stat.h> is a prerequisite of
<fcntl.h>. On glibc systems, we would like to avoid namespace pollution.
But on glibc systems, <fcntl.h> includes <sys/stat.h> inside an
extern "C" { ... } block, which leads to errors in C++ mode with the
overridden <sys/stat.h> from gnulib. These errors are known to be gone
with g++ version >= 4.3. */
#if !(defined __GLIBC__ || defined __UCLIBC__) || (defined __cplusplus && defined GNULIB_NAMESPACE && (defined __ICC || !(__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3))))
# include <sys/stat.h>
#endif
#@INCLUDE_NEXT@ @NEXT_FCNTL_H@
/* Native Windows platforms declare open(), creat() in <io.h>. */
#if (@GNULIB_CREAT@ || @GNULIB_OPEN@ || defined GNULIB_POSIXCHECK) \
&& (defined _WIN32 && ! defined __CYGWIN__)
# include <io.h>
#endif
#else
/* Normal invocation convention. */
#ifndef _@GUARD_PREFIX@_FCNTL_H
/* Needed before <sys/stat.h>.
May also define off_t to a 64-bit type on native Windows. */
#include <sys/types.h>
/* On some systems other than glibc, <sys/stat.h> is a prerequisite of
<fcntl.h>. On glibc systems, we would like to avoid namespace pollution.
But on glibc systems, <fcntl.h> includes <sys/stat.h> inside an
extern "C" { ... } block, which leads to errors in C++ mode with the
overridden <sys/stat.h> from gnulib. These errors are known to be gone
with g++ version >= 4.3. */
#if !(defined __GLIBC__ || defined __UCLIBC__) || (defined __cplusplus && defined GNULIB_NAMESPACE && (defined __ICC || !(__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3))))
# include <sys/stat.h>
#endif
/* The include_next requires a split double-inclusion guard. */
#@INCLUDE_NEXT@ @NEXT_FCNTL_H@
/* Native Windows platforms declare open(), creat() in <io.h>. */
#if (@GNULIB_CREAT@ || @GNULIB_OPEN@ || defined GNULIB_POSIXCHECK) \
&& (defined _WIN32 && ! defined __CYGWIN__)
# include <io.h>
#endif
#ifndef _@GUARD_PREFIX@_FCNTL_H
#define _@GUARD_PREFIX@_FCNTL_H
#ifndef __GLIBC__ /* Avoid namespace pollution on glibc systems. */
# include <unistd.h>
#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. */
/* 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)
# undef fcntl
# define fcntl rpl_fcntl
# 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
_GL_CXXALIASWARN (fcntl);
#elif defined GNULIB_POSIXCHECK
# undef fcntl
# if HAVE_RAW_DECL_FCNTL
_GL_WARN_ON_USE (fcntl, "fcntl is not always POSIX compliant - "
"use gnulib module fcntl for portability");
# endif
#endif
#if @GNULIB_OPEN@
# if @REPLACE_OPEN@
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
# undef open
# define open rpl_open
# endif
_GL_FUNCDECL_RPL (open, int, (const char *filename, int flags, ...)
_GL_ARG_NONNULL ((1)));
_GL_CXXALIAS_RPL (open, int, (const char *filename, int flags, ...));
# else
_GL_CXXALIAS_SYS (open, int, (const char *filename, int flags, ...));
# endif
/* On HP-UX 11, in C++ mode, open() is defined as an inline function with a
default argument. _GL_CXXALIASWARN does not work in this case. */
# if !defined __hpux
_GL_CXXALIASWARN (open);
# endif
#elif defined GNULIB_POSIXCHECK
# undef open
/* Assume open is always declared. */
_GL_WARN_ON_USE (open, "open is not always POSIX compliant - "
"use gnulib module open for portability");
#endif
#if @GNULIB_OPENAT@
# if @REPLACE_OPENAT@
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
# undef openat
# define openat rpl_openat
# endif
_GL_FUNCDECL_RPL (openat, int,
(int fd, char const *file, int flags, /* mode_t mode */ ...)
_GL_ARG_NONNULL ((2)));
_GL_CXXALIAS_RPL (openat, int,
(int fd, char const *file, int flags, /* mode_t mode */ ...));
# else
# if !@HAVE_OPENAT@
_GL_FUNCDECL_SYS (openat, int,
(int fd, char const *file, int flags, /* mode_t mode */ ...)
_GL_ARG_NONNULL ((2)));
# endif
_GL_CXXALIAS_SYS (openat, int,
(int fd, char const *file, int flags, /* mode_t mode */ ...));
# endif
_GL_CXXALIASWARN (openat);
#elif defined GNULIB_POSIXCHECK
# undef openat
# if HAVE_RAW_DECL_OPENAT
_GL_WARN_ON_USE (openat, "openat is not portable - "
"use gnulib module openat for portability");
# endif
#endif
/* Fix up the FD_* macros, only known to be missing on mingw. */
#ifndef FD_CLOEXEC
# define FD_CLOEXEC 1
#endif
/* Fix up the supported F_* macros. Intentionally leave other F_*
macros undefined. Only known to be missing on mingw. */
#ifndef F_DUPFD_CLOEXEC
# define F_DUPFD_CLOEXEC 0x40000000
/* Witness variable: 1 if gnulib defined F_DUPFD_CLOEXEC, 0 otherwise. */
# define GNULIB_defined_F_DUPFD_CLOEXEC 1
#else
# define GNULIB_defined_F_DUPFD_CLOEXEC 0
#endif
#ifndef F_DUPFD
# define F_DUPFD 1
#endif
#ifndef F_GETFD
# define F_GETFD 2
#endif
/* Fix up the O_* macros. */
/* AIX 7.1 with XL C 12.1 defines O_CLOEXEC, O_NOFOLLOW, and O_TTY_INIT
to values outside 'int' range, so omit these misdefinitions.
But avoid namespace pollution on non-AIX systems. */
#ifdef _AIX
# include <limits.h>
# if defined O_CLOEXEC && ! (INT_MIN <= O_CLOEXEC && O_CLOEXEC <= INT_MAX)
# undef O_CLOEXEC
# endif
# if defined O_NOFOLLOW && ! (INT_MIN <= O_NOFOLLOW && O_NOFOLLOW <= INT_MAX)
# undef O_NOFOLLOW
# endif
# if defined O_TTY_INIT && ! (INT_MIN <= O_TTY_INIT && O_TTY_INIT <= INT_MAX)
# undef O_TTY_INIT
# endif
#endif
#if !defined O_DIRECT && defined O_DIRECTIO
/* Tru64 spells it 'O_DIRECTIO'. */
# define O_DIRECT O_DIRECTIO
#endif
#if !defined O_CLOEXEC && defined O_NOINHERIT
/* Mingw spells it 'O_NOINHERIT'. */
# define O_CLOEXEC O_NOINHERIT
#endif
#ifndef O_CLOEXEC
# define O_CLOEXEC 0x40000000 /* Try to not collide with system O_* flags. */
# define GNULIB_defined_O_CLOEXEC 1
#else
# define GNULIB_defined_O_CLOEXEC 0
#endif
#ifndef O_DIRECT
# define O_DIRECT 0
#endif
#ifndef O_DIRECTORY
# define O_DIRECTORY 0
#endif
#ifndef O_DSYNC
# define O_DSYNC 0
#endif
#ifndef O_EXEC
# define O_EXEC O_RDONLY /* This is often close enough in older systems. */
#endif
#ifndef O_IGNORE_CTTY
# define O_IGNORE_CTTY 0
#endif
#ifndef O_NDELAY
# define O_NDELAY 0
#endif
#ifndef O_NOATIME
# define O_NOATIME 0
#endif
#ifndef O_NONBLOCK
# define O_NONBLOCK O_NDELAY
#endif
/* If the gnulib module 'nonblocking' is in use, guarantee a working non-zero
value of O_NONBLOCK. Otherwise, O_NONBLOCK is defined (above) to O_NDELAY
or to 0 as fallback. */
#if @GNULIB_NONBLOCKING@
# if O_NONBLOCK
# define GNULIB_defined_O_NONBLOCK 0
# else
# define GNULIB_defined_O_NONBLOCK 1
# undef O_NONBLOCK
# define O_NONBLOCK 0x40000000
# endif
#endif
#ifndef O_NOCTTY
# define O_NOCTTY 0
#endif
#ifndef O_NOFOLLOW
# define O_NOFOLLOW 0
#endif
#ifndef O_NOLINK
# define O_NOLINK 0
#endif
#ifndef O_NOLINKS
# define O_NOLINKS 0
#endif
#ifndef O_NOTRANS
# define O_NOTRANS 0
#endif
#ifndef O_RSYNC
# define O_RSYNC 0
#endif
#ifndef O_SEARCH
# define O_SEARCH O_RDONLY /* This is often close enough in older systems. */
#endif
#ifndef O_SYNC
# define O_SYNC 0
#endif
#ifndef O_TTY_INIT
# define O_TTY_INIT 0
#endif
#if ~O_ACCMODE & (O_RDONLY | O_WRONLY | O_RDWR | O_EXEC | O_SEARCH)
# undef O_ACCMODE
# define O_ACCMODE (O_RDONLY | O_WRONLY | O_RDWR | O_EXEC | O_SEARCH)
#endif
/* For systems that distinguish between text and binary I/O.
O_BINARY is usually declared in fcntl.h */
#if !defined O_BINARY && defined _O_BINARY
/* For MSC-compatible compilers. */
# define O_BINARY _O_BINARY
# define O_TEXT _O_TEXT
#endif
#if defined __BEOS__ || defined __HAIKU__
/* BeOS 5 and Haiku have O_BINARY and O_TEXT, but they have no effect. */
# undef O_BINARY
# undef O_TEXT
#endif
#ifndef O_BINARY
# define O_BINARY 0
# define O_TEXT 0
#endif
/* Fix up the AT_* macros. */
/* Work around a bug in Solaris 9 and 10: AT_FDCWD is positive. Its
value exceeds INT_MAX, so its use as an int doesn't conform to the
C standard, and GCC and Sun C complain in some cases. If the bug
is present, undef AT_FDCWD here, so it can be redefined below. */
#if 0 < AT_FDCWD && AT_FDCWD == 0xffd19553
# undef AT_FDCWD
#endif
/* Use the same bit pattern as Solaris 9, but with the proper
signedness. The bit pattern is important, in case this actually is
Solaris with the above workaround. */
#ifndef AT_FDCWD
# define AT_FDCWD (-3041965)
#endif
/* Use the same values as Solaris 9. This shouldn't matter, but
there's no real reason to differ. */
#ifndef AT_SYMLINK_NOFOLLOW
# define AT_SYMLINK_NOFOLLOW 4096
#endif
#ifndef AT_REMOVEDIR
# define AT_REMOVEDIR 1
#endif
/* Solaris 9 lacks these two, so just pick unique values. */
#ifndef AT_SYMLINK_FOLLOW
# define AT_SYMLINK_FOLLOW 2
#endif
#ifndef AT_EACCESS
# define AT_EACCESS 4
#endif
#endif /* _@GUARD_PREFIX@_FCNTL_H */
#endif /* _@GUARD_PREFIX@_FCNTL_H */
#endif