1 /* $NetBSD: panic.c,v 1.2 1995/03/25 18:13:33 glass Exp $ */ 2 3 /* 4 * panic.c - terminate fast in case of error 5 * Copyright (c) 1993 by Thomas Koenig 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 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 15 * permission. 16 * 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 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. 27 */ 28 29 /* System Headers */ 30 31 #include <errno.h> 32 #include <stdio.h> 33 #include <stdlib.h> 34 #include <unistd.h> 35 36 /* Local headers */ 37 38 #include "panic.h" 39 #include "at.h" 40 41 /* File scope variables */ 42 43 #ifndef lint 44 static char rcsid[] = "$NetBSD: panic.c,v 1.2 1995/03/25 18:13:33 glass Exp $"; 45 #endif 46 47 /* External variables */ 48 49 /* Global functions */ 50 51 void 52 panic(a) 53 char *a; 54 { 55 /* Something fatal has happened, print error message and exit. 56 */ 57 fprintf(stderr, "%s: %s\n", namep, a); 58 if (fcreated) 59 unlink(atfile); 60 61 exit(EXIT_FAILURE); 62 } 63 64 void 65 perr(a) 66 char *a; 67 { 68 /* Some operating system error; print error message and exit. 69 */ 70 perror(a); 71 if (fcreated) 72 unlink(atfile); 73 74 exit(EXIT_FAILURE); 75 } 76 77 void 78 perr2(a, b) 79 char *a, *b; 80 { 81 fprintf(stderr, "%s", a); 82 perr(b); 83 } 84 85 void 86 usage(void) 87 { 88 /* Print usage and exit. 89 */ 90 fprintf(stderr, "Usage: at [-q x] [-f file] [-m] time\n" 91 " atq [-q x] [-v]\n" 92 " atrm [-q x] job ...\n" 93 " batch [-f file] [-m]\n"); 94 exit(EXIT_FAILURE); 95 } 96