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