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