-# snprintf.m4 serial 3
-dnl Copyright (C) 2002, 2003, 2004, 2007 Free Software Foundation, Inc.
+# snprintf.m4 serial 6
+dnl Copyright (C) 2002-2004, 2007-2013 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])
- AC_REPLACE_FUNCS(snprintf)
- AC_CHECK_DECLS_ONCE(snprintf)
+ 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
+ fi
gl_PREREQ_SNPRINTF
])