| 1 | /* Declaration for error-reporting function |
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| 2 | Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc. |
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| 3 | This file is part of the GNU C Library. Its master source is NOT part of |
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| 4 | the C library, however. The master source lives in /gd/gnu/lib. |
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| 5 | |
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| 6 | The GNU C Library is free software; you can redistribute it and/or |
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| 7 | modify it under the terms of the GNU Lesser General Public |
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| 8 | License as published by the Free Software Foundation; either |
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| 9 | version 2.1 of the License, or (at your option) any later version. |
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| 10 | |
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| 11 | The GNU C Library is distributed in the hope that it will be useful, |
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| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 14 | Lesser General Public License for more details. |
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| 15 | |
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| 16 | You should have received a copy of the GNU Lesser General Public |
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| 17 | License along with the GNU C Library; if not, write to the Free |
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| 18 | Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
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| 19 | 02111-1307 USA. */ |
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| 20 | |
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| 21 | #ifndef _ERROR_H |
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| 22 | #define _ERROR_H 1 |
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| 23 | |
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| 24 | #ifndef __attribute__ |
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| 25 | /* This feature is available in gcc versions 2.5 and later. */ |
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| 26 | # if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 5) || __STRICT_ANSI__ |
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| 27 | # define __attribute__(Spec) /* empty */ |
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| 28 | # endif |
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| 29 | /* The __-protected variants of `format' and `printf' attributes |
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| 30 | are accepted by gcc versions 2.6.4 (effectively 2.7) and later. */ |
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| 31 | # if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7) |
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| 32 | # define __format__ format |
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| 33 | # define __printf__ printf |
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| 34 | # endif |
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| 35 | #endif |
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| 36 | |
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| 37 | #ifdef __cplusplus |
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| 38 | extern "C" { |
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| 39 | #endif |
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| 40 | |
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| 41 | #if defined (__STDC__) && __STDC__ |
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| 42 | |
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| 43 | /* Print a message with `fprintf (stderr, FORMAT, ...)'; |
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| 44 | if ERRNUM is nonzero, follow it with ": " and strerror (ERRNUM). |
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| 45 | If STATUS is nonzero, terminate the program with `exit (STATUS)'. */ |
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| 46 | |
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| 47 | extern void error (int status, int errnum, const char *format, ...) |
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| 48 | __attribute__ ((__format__ (__printf__, 3, 4))); |
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| 49 | |
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| 50 | extern void error_at_line (int status, int errnum, const char *fname, |
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| 51 | unsigned int lineno, const char *format, ...) |
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| 52 | __attribute__ ((__format__ (__printf__, 5, 6))); |
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| 53 | |
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| 54 | /* If NULL, error will flush stdout, then print on stderr the program |
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| 55 | name, a colon and a space. Otherwise, error will call this |
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| 56 | function without parameters instead. */ |
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| 57 | extern void (*error_print_progname) (void); |
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| 58 | |
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| 59 | #else |
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| 60 | void error (); |
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| 61 | void error_at_line (); |
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| 62 | extern void (*error_print_progname) (); |
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| 63 | #endif |
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| 64 | |
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| 65 | /* This variable is incremented each time `error' is called. */ |
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| 66 | extern unsigned int error_message_count; |
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| 67 | |
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| 68 | /* Sometimes we want to have at most one error per line. This |
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| 69 | variable controls whether this mode is selected or not. */ |
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| 70 | extern int error_one_per_line; |
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| 71 | |
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| 72 | #ifdef __cplusplus |
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| 73 | } |
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| 74 | #endif |
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| 75 | |
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| 76 | #endif /* error.h */ |
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