blob: c7ab32d4bc96467f77049b9bddd9e51242d12efc [file] [log] [blame]
Erik Andersene49d5ec2000-02-08 19:58:47 +00001/* vi: set sw=4 ts=4: */
Eric Andersenc4996011999-10-20 22:08:37 +00002/*
3 * Mini sleep implementation for busybox
4 *
5 *
6 * Copyright (C) 1995, 1996 by Bruce Perens <bruce@pixar.com>.
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 *
22 */
23
Eric Andersencc8ed391999-10-05 16:24:54 +000024#include "internal.h"
25#include <stdio.h>
26
Erik Andersen7ab9c7e2000-05-12 19:41:47 +000027const char sleep_usage[] = "sleep N\n"
28#ifndef BB_FEATURE_TRIVIAL_HELP
29 "\nPause for N seconds.\n"
30#endif
31 ;
Eric Andersencc8ed391999-10-05 16:24:54 +000032
Erik Andersene49d5ec2000-02-08 19:58:47 +000033extern int sleep_main(int argc, char **argv)
Eric Andersencc8ed391999-10-05 16:24:54 +000034{
Erik Andersene49d5ec2000-02-08 19:58:47 +000035 if ((argc < 2) || (**(argv + 1) == '-')) {
36 usage(sleep_usage);
Eric Andersen3cf52d11999-10-12 22:26:06 +000037 }
38
Erik Andersene49d5ec2000-02-08 19:58:47 +000039 if (sleep(atoi(*(++argv))) != 0) {
40 perror("sleep");
41 exit(FALSE);
Eric Andersenb6106152000-06-19 17:25:40 +000042 }
43 return(TRUE);
Eric Andersencc8ed391999-10-05 16:24:54 +000044}