summaryrefslogtreecommitdiff
path: root/coreutils/usleep.c
blob: ac268b485d7f27096a8d3520e970a10d1b1dd014 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
/* vi: set sw=4 ts=4: */
/*
 * Mini usleep implementation for busybox
 *
 * Copyright (C) 1995, 1996 by Bruce Perens <bruce@pixar.com>.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 *
 */

/* getopt not needed */

#include <stdlib.h>
#include <unistd.h>
#include "busybox.h"

extern int usleep_main(int argc, char **argv)
{
	if ((argc < 2) || (**(argv + 1) == '-')) {
		show_usage();
	}

	usleep(atoi(*(++argv)));	/* return void */
	return EXIT_SUCCESS;
}