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/* printf wrappers that fail immediately for non-file-related errors
   Copyright (C) 2007-2018 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
kc3-lang/gnulib/lib/xprintf.h

Commit

lib/xprintf.h
