misc/error.h

   1 /* Declaration for error-reporting function
   2    Copyright (C) 1995,1996,1997,2003,2006,2007 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, write to the Free
  17    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  18    02111-1307 USA.  */
  19
  20 #ifndef _ERROR_H
  21 #define _ERROR_H 1
  22
  23 #include <features.h>
  24
  25
  26 __BEGIN_DECLS
  27
  28 /* Print a message with `fprintf (stderr, FORMAT, ...)';
  29    if ERRNUM is nonzero, follow it with ": " and strerror (ERRNUM).
  30    If STATUS is nonzero, terminate the program with `exit (STATUS)'.  */
  31
  32 extern void error (int __status, int __errnum, __const char *__format, ...)
  33      __attribute__ ((__format__ (__printf__, 3, 4)));
  34
  35 extern void error_at_line (int __status, int __errnum, __const char *__fname,
  36                            unsigned int __lineno, __const char *__format, ...)
  37      __attribute__ ((__format__ (__printf__, 5, 6)));
  38
  39 /* If NULL, error will flush stdout, then print on stderr the program
  40    name, a colon and a space.  Otherwise, error will call this
  41    function without parameters instead.  */
  42 extern void (*error_print_progname) (void);
  43
  44 /* This variable is incremented each time `error' is called.  */
  45 extern unsigned int error_message_count;
  46
  47 /* Sometimes we want to have at most one error per line.  This
  48    variable controls whether this mode is selected or not.  */
  49 extern int error_one_per_line;
  50
  51
  52 #if defined __extern_always_inline && defined __va_arg_pack
  53 # include <bits/error.h>
  54 #endif
  55
  56 __END_DECLS
  57
  58 #endif /* error.h */