diff options
Diffstat (limited to 'busybox/util-linux/losetup.c')
-rw-r--r-- | busybox/util-linux/losetup.c | 59 |
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 | |||
27 | int | ||
28 | losetup_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 | } | ||