root/maint/gnulib/lib/error.h

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INCLUDED FROM


   1 /* Declaration for error-reporting function
   2    Copyright (C) 1995-1997, 2003, 2006, 2008-2021 Free Software Foundation,
   3    Inc.
   4    This file is part of the GNU C Library.
   5 
   6    This file is free software: you can redistribute it and/or modify
   7    it under the terms of the GNU Lesser General Public License as
   8    published by the Free Software Foundation; either version 2.1 of the
   9    License, or (at your option) any later version.
  10 
  11    This file is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU Lesser General Public License for more details.
  15 
  16    You should have received a copy of the GNU Lesser General Public License
  17    along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
  18 
  19 #ifndef _ERROR_H
  20 #define _ERROR_H 1
  21 
  22 /* Get _GL_ATTRIBUTE_SPEC_PRINTF_STANDARD, _GL_ATTRIBUTE_SPEC_PRINTF_SYSTEM.  */
  23 #include <stdio.h>
  24 
  25 #ifdef __cplusplus
  26 extern "C" {
  27 #endif
  28 
  29 /* Print a message with 'fprintf (stderr, FORMAT, ...)';
  30    if ERRNUM is nonzero, follow it with ": " and strerror (ERRNUM).
  31    If STATUS is nonzero, terminate the program with 'exit (STATUS)'.  */
  32 
  33 extern void error (int __status, int __errnum, const char *__format, ...)
  34 #if GNULIB_VFPRINTF_POSIX
  35      _GL_ATTRIBUTE_FORMAT ((_GL_ATTRIBUTE_SPEC_PRINTF_STANDARD, 3, 4))
  36 #else
  37      _GL_ATTRIBUTE_FORMAT ((_GL_ATTRIBUTE_SPEC_PRINTF_SYSTEM, 3, 4))
  38 #endif
  39      ;
  40 
  41 extern void error_at_line (int __status, int __errnum, const char *__fname,
  42                            unsigned int __lineno, const char *__format, ...)
  43 #if GNULIB_VFPRINTF_POSIX
  44      _GL_ATTRIBUTE_FORMAT ((_GL_ATTRIBUTE_SPEC_PRINTF_STANDARD, 5, 6))
  45 #else
  46      _GL_ATTRIBUTE_FORMAT ((_GL_ATTRIBUTE_SPEC_PRINTF_SYSTEM, 5, 6))
  47 #endif
  48      ;
  49 
  50 /* If NULL, error will flush stdout, then print on stderr the program
  51    name, a colon and a space.  Otherwise, error will call this
  52    function without parameters instead.  */
  53 extern void (*error_print_progname) (void);
  54 
  55 /* This variable is incremented each time 'error' is called.  */
  56 extern unsigned int error_message_count;
  57 
  58 /* Sometimes we want to have at most one error per line.  This
  59    variable controls whether this mode is selected or not.  */
  60 extern int error_one_per_line;
  61 
  62 #ifdef __cplusplus
  63 }
  64 #endif
  65 
  66 #endif /* error.h */

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