/* printf wrappers that fail immediately for non-file-related errors
- Copyright (C) 2007 Free Software Foundation, Inc.
+ Copyright (C) 2007-2013 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
#ifndef _XPRINTF_H
#define _XPRINTF_H
+#include <stdarg.h>
#include <stdio.h>
-#ifndef __attribute__
-/* This feature is available in gcc versions 2.5 and later. */
-# if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 5) || __STRICT_ANSI__
-# define __attribute__(Spec) /* empty */
-# endif
-/* The __-protected variants of `format' and `printf' attributes
- are accepted by gcc versions 2.6.4 (effectively 2.7) and later. */
-# if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7)
-# define __format__ format
-# define __printf__ printf
-# endif
+/* The __attribute__ feature is available in gcc versions 2.5 and later.
+ The __-protected variants of the attributes 'format' and 'printf' are
+ accepted by gcc versions 2.6.4 (effectively 2.7) and later.
+ We enable _GL_ATTRIBUTE_FORMAT only if these are supported too, because
+ gnulib and libintl do '#define printf __printf__' when they override
+ the 'printf' function. */
+#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7)
+# define _GL_ATTRIBUTE_FORMAT(spec) __attribute__ ((__format__ spec))
+#else
+# define _GL_ATTRIBUTE_FORMAT(spec) /* empty */
#endif
extern int xprintf (char const *restrict format, ...)
- __attribute__ ((__format__ (__printf__, 1, 2)));
+ _GL_ATTRIBUTE_FORMAT ((__printf__, 1, 2));
+extern int xvprintf (char const *restrict format, va_list args)
+ _GL_ATTRIBUTE_FORMAT ((__printf__, 1, 0));
extern int xfprintf (FILE *restrict stream, char const *restrict format, ...)
- __attribute__ ((__format__ (__printf__, 2, 3)));
+ _GL_ATTRIBUTE_FORMAT ((__printf__, 2, 3));
+extern int xvfprintf (FILE *restrict stream, char const *restrict format,
+ va_list args)
+ _GL_ATTRIBUTE_FORMAT ((__printf__, 2, 0));
#endif