lib/xprintf.h

   1 /* printf wrappers that fail immediately for non-file-related errors
   2    Copyright (C) 2007-2020 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 <https://www.gnu.org/licenses/>.  */
  16
  17 #ifndef _XPRINTF_H
  18 #define _XPRINTF_H
  19
  20 #include <stdarg.h>
  21 #include <stdio.h>
  22
  23 extern int xprintf (char const *restrict format, ...)
  24 #if GNULIB_VPRINTF_POSIX
  25      _GL_ATTRIBUTE_FORMAT ((_GL_ATTRIBUTE_SPEC_PRINTF_STANDARD, 1, 2))
  26 #else
  27      _GL_ATTRIBUTE_FORMAT ((_GL_ATTRIBUTE_SPEC_PRINTF_SYSTEM, 1, 2))
  28 #endif
  29      ;
  30
  31 extern int xvprintf (char const *restrict format, va_list args)
  32 #if GNULIB_VPRINTF_POSIX
  33      _GL_ATTRIBUTE_FORMAT ((_GL_ATTRIBUTE_SPEC_PRINTF_STANDARD, 1, 0))
  34 #else
  35      _GL_ATTRIBUTE_FORMAT ((_GL_ATTRIBUTE_SPEC_PRINTF_SYSTEM, 1, 0))
  36 #endif
  37      ;
  38
  39 extern int xfprintf (FILE *restrict stream, char const *restrict format, ...)
  40 #if GNULIB_VFPRINTF_POSIX
  41      _GL_ATTRIBUTE_FORMAT ((_GL_ATTRIBUTE_SPEC_PRINTF_STANDARD, 2, 3))
  42 #else
  43      _GL_ATTRIBUTE_FORMAT ((_GL_ATTRIBUTE_SPEC_PRINTF_SYSTEM, 2, 3))
  44 #endif
  45      ;
  46
  47 extern int xvfprintf (FILE *restrict stream, char const *restrict format,
  48                       va_list args)
  49 #if GNULIB_VFPRINTF_POSIX
  50      _GL_ATTRIBUTE_FORMAT ((_GL_ATTRIBUTE_SPEC_PRINTF_STANDARD, 2, 0))
  51 #else
  52      _GL_ATTRIBUTE_FORMAT ((_GL_ATTRIBUTE_SPEC_PRINTF_SYSTEM, 2, 0))
  53 #endif
  54      ;
  55
  56 #endif