1/* vi: set sw=4 ts=4: */ 2/* 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 24#include <stdio.h> 25#include <unistd.h> 26#include <stdlib.h> 27#include "busybox.h" 28 29extern int sleep_main(int argc, char **argv) 30{ 31 if ((argc < 2) || (**(argv + 1) == '-')) { 32 show_usage(); 33 } 34 35 if (sleep(atoi(*(++argv))) != 0) 36 perror_msg_and_die("sleep"); 37 return EXIT_SUCCESS; 38} 39