| 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) |
| 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 |
| 40 | extern "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 | |
| 49 | extern void error (int status, int errnum, const char *format, ...) |
| 50 | __attribute__ ((__format__ (__printf__, 3, 4))); |
| 51 | |
| 52 | extern 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. */ |
| 59 | extern void (*error_print_progname) (void); |
| 60 | |
| 61 | #else |
| 62 | void error (); |
| 63 | void error_at_line (); |
| 64 | extern void (*error_print_progname) (); |
| 65 | #endif |
| 66 | |
| 67 | /* This variable is incremented each time `error' is called. */ |
| 68 | extern 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. */ |
| 72 | extern int error_one_per_line; |
| 73 | |
| 74 | #ifdef __cplusplus |
| 75 | } |
| 76 | #endif |
| 77 | |
| 78 | #endif /* error.h */ |