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/* $Id: exerror.c,v 1.3 2009/06/03 01:10:52 ellson Exp $ $Revision: 1.3 $ */
/* vim:set shiftwidth=4 ts=8: */
/**********************************************************
* This software is part of the graphviz package *
* http://www.graphviz.org/ *
* *
* Copyright (c) 1994-2004 AT&T Corp. *
* and is licensed under the *
* Common Public License, Version 1.0 *
* by AT&T Corp. *
* *
* Information and Software Systems Research *
* AT&T Research, Florham Park NJ *
**********************************************************/
/*
* Glenn Fowler
* AT&T Research
*
* expression library
*/
#include <exlib.h>
/*
* library error handler
*/
void exerror(const char *format, ...)
{
Sfio_t *sp;
if (expr.program->disc->errorf && !expr.program->errors
&& (sp = sfstropen())) {
va_list ap;
char *s;
char buf[64];
expr.program->errors = 1;
excontext(expr.program, buf, sizeof(buf));
sfputr(sp, buf, -1);
sfputr(sp, "\n -- ", -1);
va_start(ap, format);
sfvprintf(sp, format, ap);
va_end(ap);
s = sfstruse(sp);
(*expr.program->disc->errorf) (expr.program, expr.program->disc,
(expr.program->disc->
flags & EX_FATAL) ? ERROR_FATAL :
ERROR_ERROR, "%s", s);
sfclose(sp);
} else if (expr.program->disc->flags & EX_FATAL)
exit(1);
}
void exwarn(const char *format, ...)
{
Sfio_t *sp;
if (expr.program->disc->errorf && (sp = sfstropen())) {
va_list ap;
char *s;
char buf[64];
excontext(expr.program, buf, sizeof(buf));
sfputr(sp, buf, -1);
sfputr(sp, "\n -- ", -1);
va_start(ap, format);
sfvprintf(sp, format, ap);
va_end(ap);
s = sfstruse(sp);
(*expr.program->disc->errorf) (expr.program, expr.program->disc,
ERROR_WARNING, "%s", s);
sfclose(sp);
}
}
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