NetBSD/usr.bin/at/panic.c

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1997-10-18 16:04:01 +04:00
/* $NetBSD: panic.c,v 1.4 1997/10/18 12:04:11 lukem Exp $ */
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/*
* panic.c - terminate fast in case of error
* Copyright (c) 1993 by Thomas Koenig
* 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. The name of the author(s) may not be used to endorse or promote
* products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``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 AUTHOR 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, WETHER 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.
*/
/* System Headers */
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
/* Local headers */
#include "panic.h"
#include "at.h"
/* File scope variables */
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#ifndef lint
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__RCSID("$NetBSD: panic.c,v 1.4 1997/10/18 12:04:11 lukem Exp $");
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#endif
/* External variables */
/* Global functions */
void
panic(a)
char *a;
{
/* Something fatal has happened, print error message and exit.
*/
(void) fprintf(stderr, "%s: %s\n", namep, a);
if (fcreated)
(void) unlink(atfile);
exit(EXIT_FAILURE);
}
void
perr(a)
char *a;
{
/* Some operating system error; print error message and exit.
*/
perror(a);
if (fcreated)
(void) unlink(atfile);
exit(EXIT_FAILURE);
}
void
perr2(a, b)
char *a, *b;
{
(void) fprintf(stderr, "%s", a);
perr(b);
}
void
usage()
{
/* Print usage and exit.
*/
(void) fprintf(stderr, "%s%s%s%s",
"Usage: at [-q x] [-f file] [-m] time\n",
" atq [-q x] [-v]\n",
" atrm [-q x] job ...\n",
" batch [-f file] [-m]\n");
exit(EXIT_FAILURE);
}