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authorEric Andersen <andersen@codepoet.org>1999-10-07 08:30:23 +0000
committerEric Andersen <andersen@codepoet.org>1999-10-07 08:30:23 +0000
commit596e5469d00fa4a74d8a3b1ebfaae20ce8dc3afe (patch)
tree4d48d109e66c5197bb27c8215062aab28d385509 /coreutils/touch.c
parent5c3199e0a519695c367b773e179b5458670f452b (diff)
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Diffstat (limited to 'coreutils/touch.c')
-rw-r--r--coreutils/touch.c87
1 files changed, 76 insertions, 11 deletions
diff --git a/coreutils/touch.c b/coreutils/touch.c
index ca4b98108..8dac10294 100644
--- a/coreutils/touch.c
+++ b/coreutils/touch.c
@@ -1,20 +1,85 @@
1/*
2 * Mini touch implementation for busybox
3 *
4 * Copyright (C) 1998 by Erik Andersen <andersee@debian.org>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 *
20 */
21
1#include "internal.h" 22#include "internal.h"
2#include <sys/types.h>
3#include <stdio.h> 23#include <stdio.h>
24#include <sys/types.h>
25#include <sys/stat.h>
26#include <fcntl.h>
4#include <utime.h> 27#include <utime.h>
28#include <errno.h>
29
5 30
6const char touch_usage[] = "touch [-c] file [file ...]\n" 31const char touch_usage[] = "touch [-c] file [file ...]\n\n"
7"\n"
8"\tUpdate the last-modified date on the given file[s].\n"; 32"\tUpdate the last-modified date on the given file[s].\n";
9 33
10extern int 34
11touch_fn(const struct FileInfo * i) 35
36extern int
37touch_main(int argc, char **argv)
12{ 38{
13 if ( (utime(i->source, 0) != 0) && (i->create != 1) ) { 39 int fd;
14 if ( fopen(i->source, "w") == NULL ) { 40 int create=TRUE;
15 name_and_error(i->source); 41
16 return 1; 42 if (argc < 2) {
17 } 43 fprintf(stderr, "Usage: %s %s", *argv, touch_usage);
44 exit( FALSE);
45 }
46 argc--;
47 argv++;
48
49 /* Parse options */
50 while (**argv == '-') {
51 while (*++(*argv)) switch (**argv) {
52 case 'c':
53 create = FALSE;
54 break;
55 default:
56 fprintf(stderr, "Unknown option: %c\n", **argv);
57 exit( FALSE);
18 } 58 }
19 return 0; 59 argc--;
60 argv++;
61 }
62
63 fd = open (*argv, (create==FALSE)? O_RDWR : O_RDWR | O_CREAT, 0644);
64 if (fd < 0 ) {
65 if (create==FALSE && errno == ENOENT)
66 exit( TRUE);
67 else {
68 perror("touch");
69 exit( FALSE);
70 }
71 }
72 close( fd);
73 if (utime (*argv, NULL)) {
74 perror("touch");
75 exit( FALSE);
76 }
77 else
78 exit( TRUE);
20} 79}
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