1 /* Declaration for error-reporting function 2 Copyright (C) 1995, 1996, 1997, 2003, 2006, 2008 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 3 of the License, or 8 (at your option) 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 16 along with this program. If not, see <http://www.gnu.org/licenses/>. */ 17 18 #ifndef _ERROR_H 19 #define _ERROR_H 1 20 21 #ifndef __attribute__ 22 /* This feature is available in gcc versions 2.5 and later. */ 23 # if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 5) 24 # define __attribute__(Spec) /* empty */ 25 # endif 26 /* The __-protected variants of `format' and `printf' attributes 27 are accepted by gcc versions 2.6.4 (effectively 2.7) and later. */ 28 # if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7) 29 # define __format__ format 30 # define __printf__ printf 31 # endif 32 #endif 33 34 #ifdef __cplusplus 35 extern "C" { 36 #endif 37 38 /* Print a message with `fprintf (stderr, FORMAT, ...)'; 39 if ERRNUM is nonzero, follow it with ": " and strerror (ERRNUM). 40 If STATUS is nonzero, terminate the program with `exit (STATUS)'. */ 41 42 extern void error (int __status, int __errnum, const char *__format, ...) 43 __attribute__ ((__format__ (__printf__, 3, 4))); 44 45 extern void error_at_line (int __status, int __errnum, const char *__fname, 46 unsigned int __lineno, const char *__format, ...) 47 __attribute__ ((__format__ (__printf__, 5, 6))); 48 49 /* If NULL, error will flush stdout, then print on stderr the program 50 name, a colon and a space. Otherwise, error will call this 51 function without parameters instead. */ 52 extern void (*error_print_progname) (void); 53 54 /* This variable is incremented each time `error' is called. */ 55 extern unsigned int error_message_count; 56 57 /* Sometimes we want to have at most one error per line. This 58 variable controls whether this mode is selected or not. */ 59 extern int error_one_per_line; 60 61 #ifdef __cplusplus 62 } 63 #endif 64 65 #endif /* error.h */ 66