lib/xprintf.h

   1 /* printf wrappers that fail immediately for non-file-related errors
   2    Copyright (C) 2007-2024 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 /* This file uses _GL_ATTRIBUTE_FORMAT.  */
  21 #if !_GL_CONFIG_H_INCLUDED
  22  #error "Please include config.h first."
  23 #endif
  24
  25 #include <stdarg.h>
  26 #include <stdio.h>
  27
  28 extern int xprintf (char const *restrict format, ...)
  29 #if GNULIB_VPRINTF_POSIX
  30      _GL_ATTRIBUTE_FORMAT ((_GL_ATTRIBUTE_SPEC_PRINTF_STANDARD, 1, 2))
  31 #else
  32      _GL_ATTRIBUTE_FORMAT ((_GL_ATTRIBUTE_SPEC_PRINTF_SYSTEM, 1, 2))
  33 #endif
  34      ;
  35
  36 extern int xvprintf (char const *restrict format, va_list args)
  37 #if GNULIB_VPRINTF_POSIX
  38      _GL_ATTRIBUTE_FORMAT ((_GL_ATTRIBUTE_SPEC_PRINTF_STANDARD, 1, 0))
  39 #else
  40      _GL_ATTRIBUTE_FORMAT ((_GL_ATTRIBUTE_SPEC_PRINTF_SYSTEM, 1, 0))
  41 #endif
  42      ;
  43
  44 extern int xfprintf (FILE *restrict stream, char const *restrict format, ...)
  45 #if GNULIB_VFPRINTF_POSIX
  46      _GL_ATTRIBUTE_FORMAT ((_GL_ATTRIBUTE_SPEC_PRINTF_STANDARD, 2, 3))
  47 #else
  48      _GL_ATTRIBUTE_FORMAT ((_GL_ATTRIBUTE_SPEC_PRINTF_SYSTEM, 2, 3))
  49 #endif
  50      ;
  51
  52 extern int xvfprintf (FILE *restrict stream, char const *restrict format,
  53                       va_list args)
  54 #if GNULIB_VFPRINTF_POSIX
  55      _GL_ATTRIBUTE_FORMAT ((_GL_ATTRIBUTE_SPEC_PRINTF_STANDARD, 2, 0))
  56 #else
  57      _GL_ATTRIBUTE_FORMAT ((_GL_ATTRIBUTE_SPEC_PRINTF_SYSTEM, 2, 0))
  58 #endif
  59      ;
  60
  61 #endif