/* error.h -- declaration for error-reporting function
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Copyright (C) 1995, 1996 Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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#ifndef _error_h_
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#define _error_h_
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#ifndef __attribute__
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/* This feature is available in gcc versions 2.5 and later. */
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# if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 5) || __STRICT_ANSI__
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# define __attribute__(Spec) /* empty */
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# endif
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/* The __-protected variants of `format' and `printf' attributes
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are accepted by gcc versions 2.6.4 (effectively 2.7) and later. */
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# if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7)
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# define __format__ format
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# define __printf__ printf
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# endif
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#endif
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#if defined (__STDC__) && __STDC__
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/* Print a message with `fprintf (stderr, FORMAT, ...)';
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if ERRNUM is nonzero, follow it with ": " and strerror (ERRNUM).
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If STATUS is nonzero, terminate the program with `exit (STATUS)'. */
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extern void error (int status, int errnum, const char *format, ...)
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__attribute__ ((__format__ (__printf__, 3, 4)));
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extern void error_at_line (int status, int errnum, const char *fname,
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unsigned int lineno, const char *format, ...)
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__attribute__ ((__format__ (__printf__, 5, 6)));
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/* If NULL, error will flush stdout, then print on stderr the program
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name, a colon and a space. Otherwise, error will call this
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function without parameters instead. */
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extern void (*error_print_progname) (void);
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#else
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void error ();
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void error_at_line ();
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extern void (*error_print_progname) ();
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#endif
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/* This variable is incremented each time `error' is called. */
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extern unsigned int error_message_count;
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/* Sometimes we want to have at most one error per line. This
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variable controls whether this mode is selected or not. */
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extern int error_one_per_line;
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#endif /* _error_h_ */
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