/*=============================================================================
GNU UnRTF, a command-line program to convert RTF documents to other formats.
Copyright (C) 2000,2001,2004 by Zachary Smith
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
The maintainer is reachable by electronic mail at daved@physiol.usyd.edu.au
=============================================================================*/
/*----------------------------------------------------------------------
* Module name: error
* Author name: Zachary Smith
* Create date: 01 Sep 00
* Purpose: Management of errors and warnings, when reporting
* the source code file/line is not necessary.
*----------------------------------------------------------------------
* Changes
* 10 Oct 00, tuorfa@yahoo.com: added usage()
* 15 Oct 00, tuorfa@yahoo.com: improved output readability
* 22 Sep 01, tuorfa@yahoo.com: removed mention of line number in handlers
* 22 Sep 01, tuorfa@yahoo.com: added function-level comment blocks
* 08 Oct 03, daved@physiol.usyd.edu.au: added stdlib.h for linux
* 25 Sep 04, st001906@hrz1.hrz.tu-darmstadt.de: added stdlib.h for djgpp
* 29 Mar 05, daved@physiol.usyd.edu.au: changes requested by ZT Smith
* 22 Aug 05, ax2groin@arbornet.org: added lineno to error_handler
* 16 Dec 07, daved@physiol.usyd.edu.au: updated to GPL v3
*--------------------------------------------------------------------*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#ifdef HAVE_STDIO_H
#include <stdio.h>
#endif
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#include "defs.h"
#include "main.h"
/*========================================================================
* Name: usage
* Purpose: Prints usage information and exits with an error.
* Args: None.
* Returns: None.
*=======================================================================*/
void
usage ()
{
fprintf(stderr, "Usage: %s\n", USAGE);
exit(-3);
}
/*========================================================================
* Name: error_handler
* Purpose: Prints error message and other useful info, then exits.
* Args: Message.
* Returns: None.
*=======================================================================*/
void
error_handler (char* message)
{
#if 1
fprintf(stderr, "Error (line %d): %s\n", lineno, message);
#else
fprintf(stderr, "Error: %s\n", message);
#endif
exit(10);
}
/*========================================================================
* Name: warning_handler
* Purpose: Prints useful info to stderr, but doesn't exit.
* Args: Message.
* Returns: None.
*=======================================================================*/
void
warning_handler (char* message)
{
fprintf(stderr, "Warning: %s\n", message);
}