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1/* Declaration for error-reporting function
2 Copyright (C) 1995, 1996, 1997, 2003, 2006 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) || __STRICT_ANSI__
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
36extern "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
43extern void error (int __status, int __errnum, const char *__format, ...)
44 __attribute__ ((__format__ (__printf__, 3, 4)));
45
46extern 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. */
53extern void (*error_print_progname) (void);
54
55/* This variable is incremented each time `error' is called. */
56extern 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. */
60extern int error_one_per_line;
61
62#ifdef __cplusplus
63}
64#endif
65
66#endif /* error.h */