1/* printf wrappers that fail immediately for non-file-related errors 2 Copyright (C) 2007-2010 Free Software Foundation, Inc. 3 4 This program is free software: you can redistribute it and/or modify 5 it under the terms of the GNU General Public License as published by 6 the Free Software Foundation; either version 3 of the License, or 7 (at your option) any later version. 8 9 This program is distributed in the hope that it will be useful, 10 but WITHOUT ANY WARRANTY; without even the implied warranty of 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 GNU General Public License for more details. 13 14 You should have received a copy of the GNU General Public License 15 along with this program. If not, see <http://www.gnu.org/licenses/>. */ 16 17#ifndef _XPRINTF_H 18#define _XPRINTF_H 19 20#include <stdarg.h> 21#include <stdio.h> 22 23#ifndef __attribute__ 24/* This feature is available in gcc versions 2.5 and later. */ 25# if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 5) 26# define __attribute__(Spec) /* empty */ 27# endif 28/* The __-protected variants of `format' and `printf' attributes 29 are accepted by gcc versions 2.6.4 (effectively 2.7) and later. */ 30# if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7) 31# define __format__ format 32# define __printf__ printf 33# endif 34#endif 35 36extern int xprintf (char const *restrict format, ...) 37 __attribute__ ((__format__ (__printf__, 1, 2))); 38extern int xvprintf (char const *restrict format, va_list args) 39 __attribute__ ((__format__ (__printf__, 1, 0))); 40extern int xfprintf (FILE *restrict stream, char const *restrict format, ...) 41 __attribute__ ((__format__ (__printf__, 2, 3))); 42extern int xvfprintf (FILE *restrict stream, char const *restrict format, 43 va_list args) 44 __attribute__ ((__format__ (__printf__, 2, 0))); 45 46#endif 47