292 lines
8.6 KiB
Plaintext
292 lines
8.6 KiB
Plaintext
|
# vasnprintf.m4 serial 36
|
||
|
|
dnl Copyright (C) 2002-2004, 2006-2018 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_VASNPRINTF],
|
||
|
|
[
|
||
|
|
AC_CHECK_FUNCS_ONCE([vasnprintf])
|
||
|
|
if test $ac_cv_func_vasnprintf = no; then
|
||
|
|
gl_REPLACE_VASNPRINTF
|
||
|
|
fi
|
||
|
|
])
|
||
|
|
|
||
|
|
AC_DEFUN([gl_REPLACE_VASNPRINTF],
|
||
|
|
[
|
||
|
|
AC_CHECK_FUNCS_ONCE([vasnprintf])
|
||
|
|
AC_LIBOBJ([vasnprintf])
|
||
|
|
AC_LIBOBJ([printf-args])
|
||
|
|
AC_LIBOBJ([printf-parse])
|
||
|
|
AC_LIBOBJ([asnprintf])
|
||
|
|
if test $ac_cv_func_vasnprintf = yes; then
|
||
|
|
AC_DEFINE([REPLACE_VASNPRINTF], [1],
|
||
|
|
[Define if vasnprintf exists but is overridden by gnulib.])
|
||
|
|
fi
|
||
|
|
gl_PREREQ_PRINTF_ARGS
|
||
|
|
gl_PREREQ_PRINTF_PARSE
|
||
|
|
gl_PREREQ_VASNPRINTF
|
||
|
|
gl_PREREQ_ASNPRINTF
|
||
|
|
])
|
||
|
|
|
||
|
|
# 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])
|
||
|
|
])
|
||
|
|
|
||
|
|
# Prerequisites of lib/printf-parse.h, lib/printf-parse.c.
|
||
|
|
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])
|
||
|
|
AC_CHECK_TYPE([ptrdiff_t], ,
|
||
|
|
[AC_DEFINE([ptrdiff_t], [long],
|
||
|
|
[Define as the type of the result of subtracting two pointers, if the system doesn't define it.])
|
||
|
|
])
|
||
|
|
AC_REQUIRE([gt_AC_TYPE_INTMAX_T])
|
||
|
|
])
|
||
|
|
|
||
|
|
# Prerequisites of lib/vasnprintf.c.
|
||
|
|
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])
|
||
|
|
dnl Use the _snprintf function only if it is declared (because on NetBSD it
|
||
|
|
dnl is defined as a weak alias of snprintf; we prefer to use the latter).
|
||
|
|
AC_CHECK_DECLS([_snprintf], , , [[#include <stdio.h>]])
|
||
|
|
dnl Knowing DBL_EXPBIT0_WORD and DBL_EXPBIT0_BIT enables an optimization
|
||
|
|
dnl in the code for NEED_PRINTF_LONG_DOUBLE || NEED_PRINTF_DOUBLE.
|
||
|
|
AC_REQUIRE([gl_DOUBLE_EXPONENT_LOCATION])
|
||
|
|
dnl We can avoid a lot of code by assuming that snprintf's return value
|
||
|
|
dnl conforms to ISO C99. So check that.
|
||
|
|
AC_REQUIRE([gl_SNPRINTF_RETVAL_C99])
|
||
|
|
case "$gl_cv_func_snprintf_retval_c99" in
|
||
|
|
*yes)
|
||
|
|
AC_DEFINE([HAVE_SNPRINTF_RETVAL_C99], [1],
|
||
|
|
[Define if the return value of the snprintf function is the number of
|
||
|
|
of bytes (excluding the terminating NUL) that would have been produced
|
||
|
|
if the buffer had been large enough.])
|
||
|
|
;;
|
||
|
|
esac
|
||
|
|
])
|
||
|
|
|
||
|
|
# Extra prerequisites of lib/vasnprintf.c for supporting 'long double'
|
||
|
|
# arguments.
|
||
|
|
AC_DEFUN_ONCE([gl_PREREQ_VASNPRINTF_LONG_DOUBLE],
|
||
|
|
[
|
||
|
|
AC_REQUIRE([gl_PRINTF_LONG_DOUBLE])
|
||
|
|
case "$gl_cv_func_printf_long_double" in
|
||
|
|
*yes)
|
||
|
|
;;
|
||
|
|
*)
|
||
|
|
AC_DEFINE([NEED_PRINTF_LONG_DOUBLE], [1],
|
||
|
|
[Define if the vasnprintf implementation needs special code for
|
||
|
|
'long double' arguments.])
|
||
|
|
;;
|
||
|
|
esac
|
||
|
|
])
|
||
|
|
|
||
|
|
# Extra prerequisites of lib/vasnprintf.c for supporting infinite 'double'
|
||
|
|
# arguments.
|
||
|
|
AC_DEFUN([gl_PREREQ_VASNPRINTF_INFINITE_DOUBLE],
|
||
|
|
[
|
||
|
|
AC_REQUIRE([gl_PRINTF_INFINITE])
|
||
|
|
case "$gl_cv_func_printf_infinite" in
|
||
|
|
*yes)
|
||
|
|
;;
|
||
|
|
*)
|
||
|
|
AC_DEFINE([NEED_PRINTF_INFINITE_DOUBLE], [1],
|
||
|
|
[Define if the vasnprintf implementation needs special code for
|
||
|
|
infinite 'double' arguments.])
|
||
|
|
;;
|
||
|
|
esac
|
||
|
|
])
|
||
|
|
|
||
|
|
# Extra prerequisites of lib/vasnprintf.c for supporting infinite 'long double'
|
||
|
|
# arguments.
|
||
|
|
AC_DEFUN([gl_PREREQ_VASNPRINTF_INFINITE_LONG_DOUBLE],
|
||
|
|
[
|
||
|
|
AC_REQUIRE([gl_PRINTF_INFINITE_LONG_DOUBLE])
|
||
|
|
dnl There is no need to set NEED_PRINTF_INFINITE_LONG_DOUBLE if
|
||
|
|
dnl NEED_PRINTF_LONG_DOUBLE is already set.
|
||
|
|
AC_REQUIRE([gl_PREREQ_VASNPRINTF_LONG_DOUBLE])
|
||
|
|
case "$gl_cv_func_printf_long_double" in
|
||
|
|
*yes)
|
||
|
|
case "$gl_cv_func_printf_infinite_long_double" in
|
||
|
|
*yes)
|
||
|
|
;;
|
||
|
|
*)
|
||
|
|
AC_DEFINE([NEED_PRINTF_INFINITE_LONG_DOUBLE], [1],
|
||
|
|
[Define if the vasnprintf implementation needs special code for
|
||
|
|
infinite 'long double' arguments.])
|
||
|
|
;;
|
||
|
|
esac
|
||
|
|
;;
|
||
|
|
esac
|
||
|
|
])
|
||
|
|
|
||
|
|
# Extra prerequisites of lib/vasnprintf.c for supporting the 'a' directive.
|
||
|
|
AC_DEFUN([gl_PREREQ_VASNPRINTF_DIRECTIVE_A],
|
||
|
|
[
|
||
|
|
AC_REQUIRE([gl_PRINTF_DIRECTIVE_A])
|
||
|
|
case "$gl_cv_func_printf_directive_a" in
|
||
|
|
*yes)
|
||
|
|
;;
|
||
|
|
*)
|
||
|
|
AC_DEFINE([NEED_PRINTF_DIRECTIVE_A], [1],
|
||
|
|
[Define if the vasnprintf implementation needs special code for
|
||
|
|
the 'a' and 'A' directives.])
|
||
|
|
AC_CHECK_FUNCS([nl_langinfo])
|
||
|
|
;;
|
||
|
|
esac
|
||
|
|
])
|
||
|
|
|
||
|
|
# Extra prerequisites of lib/vasnprintf.c for supporting the 'F' directive.
|
||
|
|
AC_DEFUN([gl_PREREQ_VASNPRINTF_DIRECTIVE_F],
|
||
|
|
[
|
||
|
|
AC_REQUIRE([gl_PRINTF_DIRECTIVE_F])
|
||
|
|
case "$gl_cv_func_printf_directive_f" in
|
||
|
|
*yes)
|
||
|
|
;;
|
||
|
|
*)
|
||
|
|
AC_DEFINE([NEED_PRINTF_DIRECTIVE_F], [1],
|
||
|
|
[Define if the vasnprintf implementation needs special code for
|
||
|
|
the 'F' directive.])
|
||
|
|
;;
|
||
|
|
esac
|
||
|
|
])
|
||
|
|
|
||
|
|
# Extra prerequisites of lib/vasnprintf.c for supporting the 'ls' directive.
|
||
|
|
AC_DEFUN([gl_PREREQ_VASNPRINTF_DIRECTIVE_LS],
|
||
|
|
[
|
||
|
|
AC_REQUIRE([gl_PRINTF_DIRECTIVE_LS])
|
||
|
|
case "$gl_cv_func_printf_directive_ls" in
|
||
|
|
*yes)
|
||
|
|
;;
|
||
|
|
*)
|
||
|
|
AC_DEFINE([NEED_PRINTF_DIRECTIVE_LS], [1],
|
||
|
|
[Define if the vasnprintf implementation needs special code for
|
||
|
|
the 'ls' directive.])
|
||
|
|
;;
|
||
|
|
esac
|
||
|
|
])
|
||
|
|
|
||
|
|
# Extra prerequisites of lib/vasnprintf.c for supporting the ' flag.
|
||
|
|
AC_DEFUN([gl_PREREQ_VASNPRINTF_FLAG_GROUPING],
|
||
|
|
[
|
||
|
|
AC_REQUIRE([gl_PRINTF_FLAG_GROUPING])
|
||
|
|
case "$gl_cv_func_printf_flag_grouping" in
|
||
|
|
*yes)
|
||
|
|
;;
|
||
|
|
*)
|
||
|
|
AC_DEFINE([NEED_PRINTF_FLAG_GROUPING], [1],
|
||
|
|
[Define if the vasnprintf implementation needs special code for the
|
||
|
|
' flag.])
|
||
|
|
;;
|
||
|
|
esac
|
||
|
|
])
|
||
|
|
|
||
|
|
# Extra prerequisites of lib/vasnprintf.c for supporting the '-' flag.
|
||
|
|
AC_DEFUN([gl_PREREQ_VASNPRINTF_FLAG_LEFTADJUST],
|
||
|
|
[
|
||
|
|
AC_REQUIRE([gl_PRINTF_FLAG_LEFTADJUST])
|
||
|
|
case "$gl_cv_func_printf_flag_leftadjust" in
|
||
|
|
*yes)
|
||
|
|
;;
|
||
|
|
*)
|
||
|
|
AC_DEFINE([NEED_PRINTF_FLAG_LEFTADJUST], [1],
|
||
|
|
[Define if the vasnprintf implementation needs special code for the
|
||
|
|
'-' flag.])
|
||
|
|
;;
|
||
|
|
esac
|
||
|
|
])
|
||
|
|
|
||
|
|
# Extra prerequisites of lib/vasnprintf.c for supporting the 0 flag.
|
||
|
|
AC_DEFUN([gl_PREREQ_VASNPRINTF_FLAG_ZERO],
|
||
|
|
[
|
||
|
|
AC_REQUIRE([gl_PRINTF_FLAG_ZERO])
|
||
|
|
case "$gl_cv_func_printf_flag_zero" in
|
||
|
|
*yes)
|
||
|
|
;;
|
||
|
|
*)
|
||
|
|
AC_DEFINE([NEED_PRINTF_FLAG_ZERO], [1],
|
||
|
|
[Define if the vasnprintf implementation needs special code for the
|
||
|
|
0 flag.])
|
||
|
|
;;
|
||
|
|
esac
|
||
|
|
])
|
||
|
|
|
||
|
|
# Extra prerequisites of lib/vasnprintf.c for supporting large precisions.
|
||
|
|
AC_DEFUN([gl_PREREQ_VASNPRINTF_PRECISION],
|
||
|
|
[
|
||
|
|
AC_REQUIRE([gl_PRINTF_PRECISION])
|
||
|
|
case "$gl_cv_func_printf_precision" in
|
||
|
|
*yes)
|
||
|
|
;;
|
||
|
|
*)
|
||
|
|
AC_DEFINE([NEED_PRINTF_UNBOUNDED_PRECISION], [1],
|
||
|
|
[Define if the vasnprintf implementation needs special code for
|
||
|
|
supporting large precisions without arbitrary bounds.])
|
||
|
|
AC_DEFINE([NEED_PRINTF_DOUBLE], [1],
|
||
|
|
[Define if the vasnprintf implementation needs special code for
|
||
|
|
'double' arguments.])
|
||
|
|
AC_DEFINE([NEED_PRINTF_LONG_DOUBLE], [1],
|
||
|
|
[Define if the vasnprintf implementation needs special code for
|
||
|
|
'long double' arguments.])
|
||
|
|
;;
|
||
|
|
esac
|
||
|
|
])
|
||
|
|
|
||
|
|
# Extra prerequisites of lib/vasnprintf.c for surviving out-of-memory
|
||
|
|
# conditions.
|
||
|
|
AC_DEFUN([gl_PREREQ_VASNPRINTF_ENOMEM],
|
||
|
|
[
|
||
|
|
AC_REQUIRE([gl_PRINTF_ENOMEM])
|
||
|
|
case "$gl_cv_func_printf_enomem" in
|
||
|
|
*yes)
|
||
|
|
;;
|
||
|
|
*)
|
||
|
|
AC_DEFINE([NEED_PRINTF_ENOMEM], [1],
|
||
|
|
[Define if the vasnprintf implementation needs special code for
|
||
|
|
surviving out-of-memory conditions.])
|
||
|
|
AC_DEFINE([NEED_PRINTF_DOUBLE], [1],
|
||
|
|
[Define if the vasnprintf implementation needs special code for
|
||
|
|
'double' arguments.])
|
||
|
|
AC_DEFINE([NEED_PRINTF_LONG_DOUBLE], [1],
|
||
|
|
[Define if the vasnprintf implementation needs special code for
|
||
|
|
'long double' arguments.])
|
||
|
|
;;
|
||
|
|
esac
|
||
|
|
])
|
||
|
|
|
||
|
|
# Prerequisites of lib/vasnprintf.c including all extras for POSIX compliance.
|
||
|
|
AC_DEFUN([gl_PREREQ_VASNPRINTF_WITH_EXTRAS],
|
||
|
|
[
|
||
|
|
AC_REQUIRE([gl_PREREQ_VASNPRINTF])
|
||
|
|
gl_PREREQ_VASNPRINTF_LONG_DOUBLE
|
||
|
|
gl_PREREQ_VASNPRINTF_INFINITE_DOUBLE
|
||
|
|
gl_PREREQ_VASNPRINTF_INFINITE_LONG_DOUBLE
|
||
|
|
gl_PREREQ_VASNPRINTF_DIRECTIVE_A
|
||
|
|
gl_PREREQ_VASNPRINTF_DIRECTIVE_F
|
||
|
|
gl_PREREQ_VASNPRINTF_DIRECTIVE_LS
|
||
|
|
gl_PREREQ_VASNPRINTF_FLAG_GROUPING
|
||
|
|
gl_PREREQ_VASNPRINTF_FLAG_LEFTADJUST
|
||
|
|
gl_PREREQ_VASNPRINTF_FLAG_ZERO
|
||
|
|
gl_PREREQ_VASNPRINTF_PRECISION
|
||
|
|
gl_PREREQ_VASNPRINTF_ENOMEM
|
||
|
|
])
|
||
|
|
|
||
|
|
# Prerequisites of lib/asnprintf.c.
|
||
|
|
AC_DEFUN([gl_PREREQ_ASNPRINTF],
|
||
|
|
[
|
||
|
|
])
|