Contents of /tags/mkinitrd-6_5_1/busybox/util-linux/findfs.c
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Wed Sep 7 17:51:16 2011 UTC (13 years ago) by niro
File MIME type: text/plain
File size: 906 byte(s)
Wed Sep 7 17:51:16 2011 UTC (13 years ago) by niro
File MIME type: text/plain
File size: 906 byte(s)
tagged 'mkinitrd-6_5_1'
1 | /* vi: set sw=4 ts=4: */ |
2 | /* |
3 | * Support functions for mounting devices by label/uuid |
4 | * |
5 | * Copyright (C) 2006 by Jason Schoon <floydpink@gmail.com> |
6 | * Some portions cribbed from e2fsprogs, util-linux, dosfstools |
7 | * |
8 | * Licensed under GPLv2 or later, see file LICENSE in this tarball for details. |
9 | */ |
10 | |
11 | #include "libbb.h" |
12 | #include "volume_id.h" |
13 | |
14 | int findfs_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; |
15 | int findfs_main(int argc UNUSED_PARAM, char **argv) |
16 | { |
17 | char *dev = *++argv; |
18 | |
19 | if (!dev) |
20 | bb_show_usage(); |
21 | |
22 | if (strncmp(dev, "/dev/", 5) == 0) { |
23 | /* Just pass any /dev/xxx name right through. |
24 | * This might aid in some scripts being able |
25 | * to call this unconditionally */ |
26 | dev = NULL; |
27 | } else { |
28 | /* Otherwise, handle LABEL=xxx and UUID=xxx, |
29 | * fail on anything else */ |
30 | if (!resolve_mount_spec(argv)) |
31 | bb_show_usage(); |
32 | } |
33 | |
34 | if (*argv != dev) { |
35 | puts(*argv); |
36 | return 0; |
37 | } |
38 | return 1; |
39 | } |