blob: 1b03075e813f35837a61a9efc8c9f0f9253eecd1 [file] [log] [blame]
Erik Andersene49d5ec2000-02-08 19:58:47 +00001/* vi: set sw=4 ts=4: */
Eric Andersen596e5461999-10-07 08:30:23 +00002/*
3 * Mini touch implementation for busybox
4 *
Eric Andersenc4996011999-10-20 22:08:37 +00005 *
Erik Andersen61677fe2000-04-13 01:18:56 +00006 * Copyright (C) 1999,2000 by Lineo, inc.
Eric Andersenc4996011999-10-20 22:08:37 +00007 * Written by Erik Andersen <andersen@lineo.com>, <andersee@debian.org>
Eric Andersen596e5461999-10-07 08:30:23 +00008 *
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 */
Eric Andersencc8ed391999-10-05 16:24:54 +000024
Eric Andersen3570a342000-09-25 21:45:58 +000025#include "busybox.h"
Eric Andersen596e5461999-10-07 08:30:23 +000026#include <stdio.h>
27#include <sys/types.h>
Eric Andersen596e5461999-10-07 08:30:23 +000028#include <fcntl.h>
29#include <utime.h>
30#include <errno.h>
31
Erik Andersene49d5ec2000-02-08 19:58:47 +000032extern int touch_main(int argc, char **argv)
Eric Andersencc8ed391999-10-05 16:24:54 +000033{
Erik Andersene49d5ec2000-02-08 19:58:47 +000034 int fd;
35 int create = TRUE;
Eric Andersen596e5461999-10-07 08:30:23 +000036
Erik Andersene49d5ec2000-02-08 19:58:47 +000037 /* Parse options */
Eric Andersen5a0a2aa2000-06-02 23:26:44 +000038 while (--argc > 0 && **(++argv) == '-') {
39 while (*(++(*argv))) {
Erik Andersene49d5ec2000-02-08 19:58:47 +000040 switch (**argv) {
41 case 'c':
42 create = FALSE;
43 break;
44 default:
45 usage(touch_usage);
Erik Andersene49d5ec2000-02-08 19:58:47 +000046 }
Eric Andersen5a0a2aa2000-06-02 23:26:44 +000047 }
48 }
49
50 if (argc < 1) {
51 usage(touch_usage);
52 }
53
54 while (argc > 0) {
55 fd = open(*argv, (create == FALSE) ? O_RDWR : O_RDWR | O_CREAT,
56 S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH);
57 if (fd < 0) {
58 if (create == FALSE && errno == ENOENT)
Matt Kraai3e856ce2000-12-01 02:55:13 +000059 return EXIT_SUCCESS;
Eric Andersen5a0a2aa2000-06-02 23:26:44 +000060 else {
Matt Kraai0dab8292000-12-18 03:08:29 +000061 perror_msg_and_die("%s", *argv);
Eric Andersen5a0a2aa2000-06-02 23:26:44 +000062 }
63 }
64 close(fd);
65 if (utime(*argv, NULL)) {
Matt Kraai0dab8292000-12-18 03:08:29 +000066 perror_msg_and_die("%s", *argv);
Eric Andersen5a0a2aa2000-06-02 23:26:44 +000067 }
Erik Andersene49d5ec2000-02-08 19:58:47 +000068 argc--;
69 argv++;
Eric Andersen596e5461999-10-07 08:30:23 +000070 }
Erik Andersene49d5ec2000-02-08 19:58:47 +000071
Matt Kraai3e856ce2000-12-01 02:55:13 +000072 return EXIT_SUCCESS;
Eric Andersencc8ed391999-10-05 16:24:54 +000073}