1 # vsnprintf.m4 serial 5
2 dnl Copyright (C) 2002-2004, 2007-2011 Free Software Foundation, Inc.
3 dnl This file is free software; the Free Software Foundation
4 dnl gives unlimited permission to copy and/or distribute it,
5 dnl with or without modifications, as long as this notice is preserved.
7 AC_DEFUN([gl_FUNC_VSNPRINTF],
9 AC_REQUIRE([gl_STDIO_H_DEFAULTS])
10 gl_cv_func_vsnprintf_usable=no
11 AC_CHECK_FUNCS([vsnprintf])
12 if test $ac_cv_func_vsnprintf = yes; then
14 case "$gl_cv_func_snprintf_size1" in
16 gl_SNPRINTF_RETVAL_C99
17 case "$gl_cv_func_snprintf_retval_c99" in
19 gl_cv_func_vsnprintf_usable=yes
25 if test $gl_cv_func_vsnprintf_usable = no; then
28 AC_CHECK_DECLS_ONCE([vsnprintf])
29 if test $ac_cv_have_decl_vsnprintf = no; then
34 AC_DEFUN([gl_REPLACE_VSNPRINTF],
36 AC_REQUIRE([gl_STDIO_H_DEFAULTS])
37 AC_LIBOBJ([vsnprintf])
38 if test $ac_cv_func_vsnprintf = yes; then
44 # Prerequisites of lib/vsnprintf.c.
45 AC_DEFUN([gl_PREREQ_VSNPRINTF], [:])