aboutsummaryrefslogtreecommitdiff
path: root/busybox/util-linux/losetup.c
diff options
context:
space:
mode:
Diffstat (limited to 'busybox/util-linux/losetup.c')
-rw-r--r--busybox/util-linux/losetup.c59
1 files changed, 59 insertions, 0 deletions
diff --git a/busybox/util-linux/losetup.c b/busybox/util-linux/losetup.c
new file mode 100644
index 000000000..c94456522
--- /dev/null
+++ b/busybox/util-linux/losetup.c
@@ -0,0 +1,59 @@
1/*
2 * Mini losetup implementation for busybox
3 *
4 * Copyright (C) 2002 Matt Kraai.
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
22#include <getopt.h>
23#include <stdlib.h>
24
25#include "busybox.h"
26
27int
28losetup_main (int argc, char **argv)
29{
30 int delete = 0;
31 int offset = 0;
32 int opt;
33
34 while ((opt = getopt (argc, argv, "do:")) != -1)
35 switch (opt)
36 {
37 case 'd':
38 delete = 1;
39 break;
40
41 case 'o':
42 offset = bb_xparse_number (optarg, NULL);
43 break;
44
45 default:
46 bb_show_usage();
47 }
48
49 if ((delete && (offset || optind + 1 != argc))
50 || (!delete && optind + 2 != argc))
51 bb_show_usage();
52
53 opt = 0;
54 if (delete)
55 return del_loop (argv[optind]) ? EXIT_SUCCESS : EXIT_FAILURE;
56 else
57 return set_loop (argv[optind], argv[optind + 1], offset, &opt)
58 ? EXIT_FAILURE : EXIT_SUCCESS;
59}