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
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
|
/* vi: set sw=4 ts=4: */
/*
* Mini touch implementation for busybox
*
*
* Copyright (C) 1999 by Lineo, inc.
* Written by Erik Andersen <andersen@lineo.com>, <andersee@debian.org>
*
* 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
*
*/
#include "internal.h"
#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <utime.h>
#include <errno.h>
static const char touch_usage[] = "touch [-c] file [file ...]\n\n"
"Update the last-modified date on the given file[s].\n";
extern int touch_main(int argc, char **argv)
{
int fd;
int create = TRUE;
if (argc < 2) {
usage(touch_usage);
}
argc--;
argv++;
/* Parse options */
while (**argv == '-') {
while (*++(*argv))
switch (**argv) {
case 'c':
create = FALSE;
break;
default:
usage(touch_usage);
exit(FALSE);
}
argc--;
argv++;
}
fd = open(*argv, (create == FALSE) ? O_RDWR : O_RDWR | O_CREAT, 0644);
if (fd < 0) {
if (create == FALSE && errno == ENOENT)
exit(TRUE);
else {
perror("touch");
exit(FALSE);
}
}
close(fd);
if (utime(*argv, NULL)) {
perror("touch");
exit(FALSE);
} else
exit(TRUE);
}
|
