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Eric Andersenc4996011999-10-20 22:08:37 +00001/*
2 * Mini sleep implementation for busybox
3 *
4 *
5 * Copyright (C) 1995, 1996 by Bruce Perens <bruce@pixar.com>.
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 *
21 */
22
Eric Andersencc8ed391999-10-05 16:24:54 +000023#include "internal.h"
24#include <stdio.h>
25
Eric Andersen3cf52d11999-10-12 22:26:06 +000026const char sleep_usage[] = " NUMBER\n"
27"Pause for NUMBER seconds.\n";
Eric Andersencc8ed391999-10-05 16:24:54 +000028
29extern int
Eric Andersen3cf52d11999-10-12 22:26:06 +000030sleep_main(int argc, char * * argv)
Eric Andersencc8ed391999-10-05 16:24:54 +000031{
Eric Andersen3cf52d11999-10-12 22:26:06 +000032 if ( (argc < 2) || (**(argv+1) == '-') ) {
Eric Andersenb0e9a701999-10-18 22:28:26 +000033 usage( sleep_usage );
Eric Andersen3cf52d11999-10-12 22:26:06 +000034 }
35
36 if ( sleep(atoi(*(++argv))) != 0 ) {
37 perror( "sleep");
38 exit (FALSE);
39 } else
40 exit (TRUE);
Eric Andersencc8ed391999-10-05 16:24:54 +000041}