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