2 * panic.c - terminate fast in case of error
4 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
6 * Copyright (C) 1993 Thomas Koenig
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. The name of the author(s) may not be used to endorse or promote
14 * products derived from this software without specific prior written
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 #include <sys/cdefs.h>
30 __FBSDID("$FreeBSD$");
46 /* External variables */
48 /* Global functions */
53 /* Something fatal has happened, print error message and exit.
61 errx(EXIT_FAILURE, "%s", a);
67 /* Some operating system error; print error message and exit.
78 err(EXIT_FAILURE, "%s", a);
84 /* Print usage and exit. */
85 fprintf(stderr, "usage: at [-q x] [-f file] [-m] time\n"
86 " at -c job [job ...]\n"
87 " at [-f file] -t [[CC]YY]MMDDhhmm[.SS]\n"
88 " at -r job [job ...]\n"
89 " at -l -q queuename\n"
92 " atrm job [job ...]\n"
93 " batch [-f file] [-m]\n");