63 lines
1.9 KiB
Plaintext
63 lines
1.9 KiB
Plaintext
|
# snprintf.m4 serial 7
|
||
|
dnl Copyright (C) 2002-2004, 2007-2023 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 Libintl 0.17 will replace snprintf only if it does not support %1$s,
|
||
|
dnl but defers to any gnulib snprintf replacements. Therefore, gnulib
|
||
|
dnl must guarantee that the decision for replacing snprintf is a superset
|
||
|
dnl of the reasons checked by libintl.
|
||
|
AC_DEFUN([gl_FUNC_SNPRINTF],
|
||
|
[
|
||
|
AC_REQUIRE([gl_STDIO_H_DEFAULTS])
|
||
|
gl_cv_func_snprintf_usable=no
|
||
|
AC_CHECK_FUNCS([snprintf])
|
||
|
if test $ac_cv_func_snprintf = yes; then
|
||
|
gl_SNPRINTF_SIZE1
|
||
|
case "$gl_cv_func_snprintf_size1" in
|
||
|
*yes)
|
||
|
gl_SNPRINTF_RETVAL_C99
|
||
|
case "$gl_cv_func_snprintf_retval_c99" in
|
||
|
*yes)
|
||
|
gl_PRINTF_POSITIONS
|
||
|
case "$gl_cv_func_printf_positions" in
|
||
|
*yes)
|
||
|
gl_cv_func_snprintf_usable=yes
|
||
|
;;
|
||
|
esac
|
||
|
;;
|
||
|
esac
|
||
|
;;
|
||
|
esac
|
||
|
fi
|
||
|
if test $gl_cv_func_snprintf_usable = no; then
|
||
|
gl_REPLACE_SNPRINTF
|
||
|
fi
|
||
|
AC_CHECK_DECLS_ONCE([snprintf])
|
||
|
if test $ac_cv_have_decl_snprintf = no; then
|
||
|
HAVE_DECL_SNPRINTF=0
|
||
|
fi
|
||
|
])
|
||
|
|
||
|
AC_DEFUN([gl_REPLACE_SNPRINTF],
|
||
|
[
|
||
|
AC_REQUIRE([gl_STDIO_H_DEFAULTS])
|
||
|
AC_LIBOBJ([snprintf])
|
||
|
if test $ac_cv_func_snprintf = yes; then
|
||
|
REPLACE_SNPRINTF=1
|
||
|
else
|
||
|
AC_CHECK_DECLS_ONCE([snprintf])
|
||
|
if test $ac_cv_have_decl_snprintf = yes; then
|
||
|
dnl If the function is declared but does not appear to exist, it may be
|
||
|
dnl defined as an inline function. In order to avoid a conflict, we have
|
||
|
dnl to define rpl_snprintf, not snprintf.
|
||
|
REPLACE_SNPRINTF=1
|
||
|
fi
|
||
|
fi
|
||
|
gl_PREREQ_SNPRINTF
|
||
|
])
|
||
|
|
||
|
# Prerequisites of lib/snprintf.c.
|
||
|
AC_DEFUN([gl_PREREQ_SNPRINTF], [:])
|