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/*
* tutvis library
* Copyright (C) 1993 University of Twente
* klamer@mi.el.utwente.nl
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
* This library 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
* Library General Public License for more details.
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
static const char rcs_id[] = "$Header: /cvsroot/clippoly/clippoly/err.c,v 1.2 2005/02/28 21:12:05 klamer Exp $";
/*
* $Log: err.c,v $
* Revision 1.2 2005/02/28 21:12:05 klamer
* Made changes such that gcc 3.4.2 compiles silent with -ansi -pedantic -Wall.
*
* Revision 1.2 2003/11/11 12:57:38 kscp1
* Made changes such that linux/gcc-3.3 compiles without warnings.
&
* Revision 1.2 2000/11/10 08:05:43 kscp1
* ANSI C version
*
* Revision 1.1 1994/06/07 14:30:35 schutte
* Initial revision
*
*
* error.c Klamer Schutte 25/7/90
*
* handle errors in a consistent way.
*/
#include <stdio.h>
#include <stdarg.h>
#include <setjmp.h>
#include <stdlib.h>
#include "err.h"
int err_nr_errors, err_nr_warnings;
/* what is the type of a pointer to a jmp_buf? On sun4 int * will do */
int *err_warning_jmpbuf, *err_error_jmpbuf, *err_fatal_jmpbuf;
void
/*VARARGS1*/
warning( const char *fmt, ... )
{
va_list args;
va_start( args, fmt );
vfprintf(stderr, fmt, args );
va_end(args );
err_nr_warnings++;
if (err_warning_jmpbuf != NULL)
longjmp( (void *) err_warning_jmpbuf, 1 );
}
void
/*VARARGS1*/
error( const char *fmt, ... )
{
va_list args;
va_start( args, fmt );
vfprintf(stderr, fmt, args );
va_end(args );
err_nr_errors++;
if (err_error_jmpbuf != NULL)
longjmp( (void *) err_error_jmpbuf, 1 );
}
void
/*VARARGS2*/
fatal_exit_nr( int nr, const char *fmt, ... )
{
va_list args;
va_start( args, fmt );
vfprintf(stderr, fmt, args );
va_end(args );
if (err_fatal_jmpbuf != NULL)
longjmp( (void *) err_fatal_jmpbuf, 1 );
exit( nr );
}
void
/*VARARGS1*/
fatal( const char *fmt, ... )
{
va_list args;
va_start( args, fmt );
vfprintf(stderr, fmt, args );
va_end(args );
if (err_fatal_jmpbuf != NULL)
longjmp( (void *) err_fatal_jmpbuf, 1 );
exit( 1 );
}
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