46 lines
1.9 KiB
C
46 lines
1.9 KiB
C
|
/* printf wrappers that fail immediately for non-file-related errors
|
||
|
|
Copyright (C) 2007-2020 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
|
||
|
|
the Free Software Foundation; either version 3 of the License, or
|
||
|
|
(at your option) any later version.
|
||
|
|
|
||
|
|
This program is distributed in the hope that it will be useful,
|
||
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
|
|
GNU General Public License for more details.
|
||
|
|
|
||
|
|
You should have received a copy of the GNU General Public License
|
||
|
|
along with this program. If not, see <https://www.gnu.org/licenses/>. */
|
||
|
|
|
||
|
|
#ifndef _XPRINTF_H
|
||
|
|
#define _XPRINTF_H
|
||
|
|
|
||
|
|
#include <stdarg.h>
|
||
|
|
#include <stdio.h>
|
||
|
|
|
||
|
|
/* 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, ...)
|
||
|
|
_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, ...)
|
||
|
|
_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
|