1 /* Declaration for error-reporting function
2 Copyright (C) 1995, 1996, 1997, 2003, 2006, 2008, 2009 Free Software
4 This file is part of the GNU C Library.
6 This program is free software: you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 3 of the License, or
9 (at your option) any later version.
11 This program 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 General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program. If not, see <http://www.gnu.org/licenses/>. */
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 */
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
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)'. */
43 extern void error (int __status, int __errnum, const char *__format, ...)
44 __attribute__ ((__format__ (__printf__, 3, 4)));
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)));
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);
55 /* This variable is incremented each time `error' is called. */
56 extern unsigned int error_message_count;
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;