-# vsnprintf.m4 serial 4
-dnl Copyright (C) 2002, 2003, 2004, 2007 Free Software Foundation, Inc.
+# vsnprintf.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 vsnprintf only if it does not support %1$s,
+dnl but defers to any gnulib vsnprintf replacements. Therefore, gnulib
+dnl must guarantee that the decision for replacing vsnprintf is a superset
+dnl of the reasons checked by libintl.
AC_DEFUN([gl_FUNC_VSNPRINTF],
[
AC_REQUIRE([gl_STDIO_H_DEFAULTS])
+ gl_cv_func_vsnprintf_usable=no
AC_CHECK_FUNCS([vsnprintf])
- if test $ac_cv_func_vsnprintf = no; then
+ if test $ac_cv_func_vsnprintf = yes; then
+ gl_SNPRINTF_SIZE1
+ case "$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_vsnprintf_usable=yes
+ ;;
+ esac
+ ;;
+ esac
+ ;;
+ esac
+ fi
+ if test $gl_cv_func_vsnprintf_usable = no; then
gl_REPLACE_VSNPRINTF
fi
AC_CHECK_DECLS_ONCE([vsnprintf])