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      1 /* Declaration for error-reporting function
      2    Copyright (C) 1995, 1996, 1997, 2003 Free Software Foundation, Inc.
      3    This file is part of the GNU C Library.
      4 
      5    This program is free software; you can redistribute it and/or modify
      6    it under the terms of the GNU General Public License as published by
      7    the Free Software Foundation; either version 2, or (at your option)
      8    any later version.
      9 
     10    This program 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
     13    GNU General Public License for more details.
     14 
     15    You should have received a copy of the GNU General Public License along
     16    with this program; if not, write to the Free Software Foundation,
     17    Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
     18 
     19 #ifndef _ERROR_H
     20 #define _ERROR_H 1
     21 
     22 #ifndef __attribute__
     23 /* This feature is available in gcc versions 2.5 and later.  */
     24 # if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 5)
     25 #  define __attribute__(Spec) /* empty */
     26 # endif
     27 /* The __-protected variants of `format' and `printf' attributes
     28    are accepted by gcc versions 2.6.4 (effectively 2.7) and later.  */
     29 # if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7)
     30 #  define __format__ format
     31 #  define __printf__ printf
     32 # endif
     33 #endif
     34 
     35 #ifdef	__cplusplus
     36 extern "C" {
     37 #endif
     38 
     39 /* Print a message with `fprintf (stderr, FORMAT, ...)';
     40    if ERRNUM is nonzero, follow it with ": " and strerror (ERRNUM).
     41    If STATUS is nonzero, terminate the program with `exit (STATUS)'.  */
     42 
     43 extern void error (int __status, int __errnum, const char *__format, ...)
     44      __attribute__ ((__format__ (__printf__, 3, 4)));
     45 
     46 extern void error_at_line (int __status, int __errnum, const char *__fname,
     47 			   unsigned int __lineno, const char *__format, ...)
     48      __attribute__ ((__format__ (__printf__, 5, 6)));
     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 */
     67