1/* Declaration for error-reporting function 2 Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc. 3 4 5 NOTE: The canonical source of this file is maintained with the GNU C Library. 6 Bugs can be reported to bug-glibc@prep.ai.mit.edu. 7 8 This program is free software; you can redistribute it and/or modify it 9 under the terms of the GNU General Public License as published by the 10 Free Software Foundation; either version 2, or (at your option) any 11 later version. 12 13 This program is distributed in the hope that it will be useful, 14 but WITHOUT ANY WARRANTY; without even the implied warranty of 15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 GNU General Public License for more details. 17 18 You should have received a copy of the GNU General Public License 19 along with this program; if not, write to the Free Software 20 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 21 USA. */ 22 23#ifndef _ERROR_H 24#define _ERROR_H 1 25 26#ifndef __attribute__ 27/* This feature is available in gcc versions 2.5 and later. */ 28# if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 5) || __STRICT_ANSI__ 29# define __attribute__(Spec) /* empty */ 30# endif 31/* The __-protected variants of `format' and `printf' attributes 32 are accepted by gcc versions 2.6.4 (effectively 2.7) and later. */ 33# if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7) 34# define __format__ format 35# define __printf__ printf 36# endif 37#endif 38 39#ifdef __cplusplus 40extern "C" { 41#endif 42 43#if defined (__STDC__) && __STDC__ 44 45/* Print a message with `fprintf (stderr, FORMAT, ...)'; 46 if ERRNUM is nonzero, follow it with ": " and strerror (ERRNUM). 47 If STATUS is nonzero, terminate the program with `exit (STATUS)'. */ 48 49extern void error (int status, int errnum, const char *format, ...) 50 __attribute__ ((__format__ (__printf__, 3, 4))); 51 52extern void error_at_line (int status, int errnum, const char *fname, 53 unsigned int lineno, const char *format, ...) 54 __attribute__ ((__format__ (__printf__, 5, 6))); 55 56/* If NULL, error will flush stdout, then print on stderr the program 57 name, a colon and a space. Otherwise, error will call this 58 function without parameters instead. */ 59extern void (*error_print_progname) (void); 60 61#else 62void error (); 63void error_at_line (); 64extern void (*error_print_progname) (); 65#endif 66 67/* This variable is incremented each time `error' is called. */ 68extern unsigned int error_message_count; 69 70/* Sometimes we want to have at most one error per line. This 71 variable controls whether this mode is selected or not. */ 72extern int error_one_per_line; 73 74#ifdef __cplusplus 75} 76#endif 77 78#endif /* error.h */ 79