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/*b
* Copyright (C) 2001,2002 Rick Richardson
*
* 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 2 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* Author: Rick Richardson <rickr@mn.rr.com>
b*/
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#include <errno.h>
#include "error.h"
/*
* Error routines
*/
static int ErrorCount = 0;
static int SysErrorCount = 0;
static char ErrorTag[256];
static void (*UserErrorExit)(void);
void
error_init(void (*exitfunc)(void), char *tagfmt, ...)
{
va_list ap;
UserErrorExit = exitfunc;
ErrorCount = 0;
SysErrorCount = 0;
if (tagfmt)
{
va_start(ap, tagfmt);
vsnprintf(ErrorTag, sizeof(ErrorTag) - 2, tagfmt, ap);
va_end(ap);
if (ErrorTag[0])
strcat(ErrorTag, ": ");
}
setvbuf(stderr, (char *) NULL, _IOLBF, BUFSIZ);
}
void
error(int fatal, char *fmt, ...)
{
va_list ap;
++ErrorCount;
if (fatal && UserErrorExit)
(*UserErrorExit)();
fprintf(stderr, "%sERROR: ", ErrorTag);
va_start(ap, fmt);
vfprintf(stderr, fmt, ap);
va_end(ap);
if (fatal)
exit(fatal & 255);
}
void
syserror(int fatal, char *fmt, ...)
{
va_list ap;
int err = errno;
++SysErrorCount;
if (fatal && UserErrorExit)
(*UserErrorExit)();
fprintf(stderr, "%sERROR: ", ErrorTag);
#ifdef bsdi
if (err > 0 && err <= sys_nerr)
(void) fprintf(stderr, "%s: ", sys_errlist[err]);
#else
(void) fprintf(stderr, "%s: ", strerror(err));
#endif
va_start(ap, fmt);
vfprintf(stderr, fmt, ap);
va_end(ap);
if (fatal)
exit(fatal & 255);
}
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