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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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