1/* vi: set sw=4 ts=4: */ 2/* 3 * Mini touch implementation for busybox 4 * 5 * 6 * Copyright (C) 1999,2000,2001 by Lineo, inc. 7 * Written by Erik Andersen <andersen@lineo.com>, <andersee@debian.org> 8 * 9 * This program is free software; you can redistribute it and/or modify 10 * it under the terms of the GNU General Public License as published by 11 * the Free Software Foundation; either version 2 of the License, or 12 * (at your option) any later version. 13 * 14 * This program is distributed in the hope that it will be useful, 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 17 * General Public License for more details. 18 * 19 * You should have received a copy of the GNU General Public License 20 * along with this program; if not, write to the Free Software 21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 22 * 23 */ 24 25#include <stdio.h> 26#include <sys/types.h> 27#include <fcntl.h> 28#include <utime.h> 29#include <errno.h> 30#include <unistd.h> 31#include <stdlib.h> 32#include "busybox.h" 33 34extern int touch_main(int argc, char **argv) 35{ 36 int fd; 37 int create = TRUE; 38 39 /* Parse options */ 40 while (--argc > 0 && **(++argv) == '-') { 41 while (*(++(*argv))) { 42 switch (**argv) { 43 case 'c': 44 create = FALSE; 45 break; 46 default: 47 show_usage(); 48 } 49 } 50 } 51 52 if (argc < 1) { 53 show_usage(); 54 } 55 56 while (argc > 0) { 57 fd = open(*argv, (create == FALSE) ? O_RDWR : O_RDWR | O_CREAT, 58 S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH); 59 if (fd < 0) { 60 if (create == FALSE && errno == ENOENT) 61 return EXIT_SUCCESS; 62 else { 63 perror_msg_and_die("%s", *argv); 64 } 65 } 66 close(fd); 67 if (utime(*argv, NULL)) { 68 perror_msg_and_die("%s", *argv); 69 } 70 argc--; 71 argv++; 72 } 73 74 return EXIT_SUCCESS; 75} 76