/*- * panic.c - terminate fast in case of error * * SPDX-License-Identifier: BSD-2-Clause-FreeBSD * * Copyright (C) 1993 Thomas Koenig * * 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(S) 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. */ #include <sys/cdefs.h> __FBSDID("$FreeBSD$"); /* System Headers */ #include <err.h> #include <errno.h> #include <stdio.h> #include <stdlib.h> #include <unistd.h> /* Local headers */ #include "panic.h" #include "privs.h" #include "at.h" /* External variables */ /* Global functions */ void panic(const char *a) { /* Something fatal has happened, print error message and exit. */ if (fcreated) { PRIV_START unlink(atfile); PRIV_END } errx(EXIT_FAILURE, "%s", a); } void perr(const char *a) { /* Some operating system error; print error message and exit. */ int serrno = errno; if (fcreated) { PRIV_START unlink(atfile); PRIV_END } errno = serrno; err(EXIT_FAILURE, "%s", a); } void usage(void) { /* Print usage and exit. */ fprintf(stderr, "usage: at [-q x] [-f file] [-m] time\n" " at -c job [job ...]\n" " at [-f file] -t [[CC]YY]MMDDhhmm[.SS]\n" " at -r job [job ...]\n" " at -l -q queuename\n" " at -l [job ...]\n" " atq [-q x] [-v]\n" " atrm job [job ...]\n" " batch [-f file] [-m]\n"); exit(EXIT_FAILURE); } |