libexec/bugfiler/error.c

/*
 * Copyright (c) 1986, 1987 Regents of the University of California.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *      This product includes software developed by the University of
 *      California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#ifndef lint
static char sccsid[] = "@(#)error.c     5.8 (Berkeley) 2/25/91";
#endif /* not lint */

#include <sys/param.h>
#include <dirent.h>
#include <syslog.h>
#include <stdio.h>
#include <stdlib.h>
#include "bug.h"

static short    err_redir;                      /* stderr redirected */

/*
 * seterr --
 *      redirect stderr for error processing
 */
seterr()
{
        if (!freopen(ERROR_FILE, "a", stderr))
                error("can't open error file %s.", ERROR_FILE);
        err_redir = YES;
}

/*
 * error --
 *      write errors to log file and die
 */
error(fmt, arg)
        register char   *fmt,
                        *arg;
{
        static char     logmsg[MAXLINELEN];     /* syslog message */
        char    *strcpy(), *strcat();

        if (err_redir) {
                /* don't combine these, "fmt" may not require "arg" */
                fprintf(stderr, "\t%s\n\t", tmpname);
                fprintf(stderr, fmt, arg);
                fputc('\n', stderr);
        }
        else {
                sprintf(logmsg, "bugfiler: %s", fmt);
                syslog(LOG_ERR, logmsg, arg);
        }
#ifdef METOO
        exit(ERR);
#else
        exit(OK);
#endif
}