54 lines
1.1 KiB
C
54 lines
1.1 KiB
C
/* Copyright (c) 1990, 1991 UNIX System Laboratories, Inc. */
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/* Copyright (c) 1984, 1986, 1987, 1988, 1989, 1990 AT&T */
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/* All Rights Reserved */
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/* THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE OF */
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/* UNIX System Laboratories, Inc. */
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/* The copyright notice above does not evidence any */
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/* actual or intended publication of such source code. */
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#ident "@(#)sleep:sleep.c 1.3.1.3"
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/*
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** sleep -- suspend execution for an interval
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**
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** sleep time
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*/
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#include <stdio.h>
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#include <locale.h>
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#include <pfmt.h>
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main(argc, argv)
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char **argv;
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{
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int c, n;
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char *s;
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(void)setlocale(LC_ALL, "");
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(void)setcat("uxcore.abi");
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(void)setlabel("UX:sleep");
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n = 0;
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if(argc < 2) {
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usage_err:
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pfmt(stderr, MM_ERROR, ":8:Incorrect usage\n");
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pfmt(stderr, MM_ACTION, ":564:Usage: sleep time\n");
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exit(2);
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}
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if( !strcmp(argv[1], "--") ) {
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if ((argc -1) < 2)
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goto usage_err;
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s = argv[2];
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} else
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s = argv[1];
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while(c = *s++) {
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if(c<'0' || c>'9') {
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pfmt(stderr, MM_ERROR, ":565:Bad character in argument\n");
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exit(2);
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}
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n = n*10 + c - '0';
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}
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sleep(n);
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exit(0);
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}
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