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Annotation of src/usr.bin/at/panic.c, Revision 1.3

1.3     ! millert     1: /*     $OpenBSD: panic.c,v 1.2 1996/06/26 05:31:28 deraadt Exp $       */
1.1       deraadt     2: /*     $NetBSD: panic.c,v 1.2 1995/03/25 18:13:33 glass Exp $  */
                      3:
                      4: /*
                      5:  * panic.c - terminate fast in case of error
                      6:  * Copyright (c) 1993 by Thomas Koenig
                      7:  * All rights reserved.
                      8:  *
                      9:  * Redistribution and use in source and binary forms, with or without
                     10:  * modification, are permitted provided that the following conditions
                     11:  * are met:
                     12:  * 1. Redistributions of source code must retain the above copyright
                     13:  *    notice, this list of conditions and the following disclaimer.
                     14:  * 2. The name of the author(s) may not be used to endorse or promote
                     15:  *    products derived from this software without specific prior written
                     16:  *    permission.
                     17:  *
                     18:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
                     19:  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
                     20:  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
                     21:  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
                     22:  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
                     23:  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
                     24:  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
                     25:  * THEORY OF LIABILITY, WETHER IN CONTRACT, STRICT LIABILITY, OR TORT
                     26:  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
                     27:  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
                     28:  */
                     29:
                     30: /* System Headers */
                     31:
                     32: #include <errno.h>
                     33: #include <stdio.h>
                     34: #include <stdlib.h>
                     35: #include <unistd.h>
                     36:
                     37: /* Local headers */
                     38:
                     39: #include "panic.h"
                     40: #include "at.h"
1.3     ! millert    41: #include "privs.h"
1.1       deraadt    42:
                     43: /* File scope variables */
                     44:
                     45: #ifndef lint
1.3     ! millert    46: static char rcsid[] = "$OpenBSD: panic.c,v 1.2 1996/06/26 05:31:28 deraadt Exp $";
1.1       deraadt    47: #endif
                     48:
                     49: /* External variables */
                     50:
                     51: /* Global functions */
                     52:
                     53: void
                     54: panic(a)
                     55:        char *a;
                     56: {
                     57: /* Something fatal has happened, print error message and exit.
                     58:  */
                     59:        fprintf(stderr, "%s: %s\n", namep, a);
1.3     ! millert    60:        if (fcreated) {
        !            61:                PRIV_START
1.1       deraadt    62:                unlink(atfile);
1.3     ! millert    63:                PRIV_END
        !            64:        }
1.1       deraadt    65:
                     66:        exit(EXIT_FAILURE);
                     67: }
                     68:
                     69: void
                     70: perr(a)
                     71:        char *a;
                     72: {
                     73: /* Some operating system error; print error message and exit.
                     74:  */
                     75:        perror(a);
1.3     ! millert    76:        if (fcreated) {
        !            77:                PRIV_START
1.1       deraadt    78:                unlink(atfile);
1.3     ! millert    79:                PRIV_END
        !            80:        }
1.1       deraadt    81:
                     82:        exit(EXIT_FAILURE);
                     83: }
                     84:
                     85: void
                     86: perr2(a, b)
                     87:        char *a, *b;
                     88: {
                     89:        fprintf(stderr, "%s", a);
                     90:        perr(b);
                     91: }
                     92:
                     93: void
                     94: usage(void)
                     95: {
                     96: /* Print usage and exit.
                     97: */
                     98:        fprintf(stderr, "Usage: at [-q x] [-f file] [-m] time\n"
                     99:            "       atq [-q x] [-v]\n"
                    100:            "       atrm [-q x] job ...\n"
                    101:            "       batch [-f file] [-m]\n");
                    102:        exit(EXIT_FAILURE);
                    103: }