Return to sleep.c CVS log

Up to [local] / prex-old / usr / bin / sleep

Annotation of prex-old/usr/bin/sleep/sleep.c, Revision 1.1

1.1     ! nbrk        1: /*
        !             2:  * Copyright (c) 1988, 1993, 1994
        !             3:  *     The Regents of the University of California.  All rights reserved.
        !             4:  *
        !             5:  * Redistribution and use in source and binary forms, with or without
        !             6:  * modification, are permitted provided that the following conditions
        !             7:  * are met:
        !             8:  * 1. Redistributions of source code must retain the above copyright
        !             9:  *    notice, this list of conditions and the following disclaimer.
        !            10:  * 2. Redistributions in binary form must reproduce the above copyright
        !            11:  *    notice, this list of conditions and the following disclaimer in the
        !            12:  *    documentation and/or other materials provided with the distribution.
        !            13:  * 3. Neither the name of the University nor the names of its contributors
        !            14:  *    may be used to endorse or promote products derived from this software
        !            15:  *    without specific prior written permission.
        !            16:  *
        !            17:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
        !            18:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        !            19:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        !            20:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
        !            21:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !            22:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
        !            23:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            24:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
        !            25:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            26:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            27:  * SUCH DAMAGE.
        !            28:  */
        !            29:
        !            30: #include <stdio.h>
        !            31: #include <stdlib.h>
        !            32: #include <unistd.h>
        !            33:
        !            34: #ifdef CMDBOX
        !            35: #define main(argc, argv)       sleep_main(argc, argv)
        !            36: #endif
        !            37:
        !            38: static void usage(void);
        !            39:
        !            40: int
        !            41: main(int argc, char *argv[])
        !            42: {
        !            43:        int ch, secs;
        !            44:
        !            45:        while ((ch = getopt(argc, argv, "")) != -1)
        !            46:                switch(ch) {
        !            47:                case '?':
        !            48:                default:
        !            49:                        usage();
        !            50:                }
        !            51:        argc -= optind;
        !            52:        argv += optind;
        !            53:
        !            54:        if (argc != 1)
        !            55:                usage();
        !            56:
        !            57:        if ((secs = atoi(*argv)) > 0)
        !            58:                (void)sleep(secs);
        !            59:        exit(0);
        !            60: }
        !            61:
        !            62: static void
        !            63: usage(void)
        !            64: {
        !            65:
        !            66:        fprintf(stderr, "usage: sleep seconds\n");
        !            67:        exit(1);
        !            68: }