source: branches/3.2/mindi-busybox/util-linux/findfs.c @ 3232

Last change on this file since 3232 was 3232, checked in by bruno, 5 years ago
  • Update mindi-busybox to 1.21.1
  • Property svn:eol-style set to native
File size: 1.1 KB
Line 
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 source tree.
9 */
10
11//usage:#define findfs_trivial_usage
12//usage:       "LABEL=label or UUID=uuid"
13//usage:#define findfs_full_usage "\n\n"
14//usage:       "Find a filesystem device based on a label or UUID"
15//usage:
16//usage:#define findfs_example_usage
17//usage:       "$ findfs LABEL=MyDevice"
18
19#include "libbb.h"
20#include "volume_id.h"
21
22int findfs_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
23int findfs_main(int argc UNUSED_PARAM, char **argv)
24{
25    char *dev = *++argv;
26
27    if (!dev)
28        bb_show_usage();
29
30    if (strncmp(dev, "/dev/", 5) == 0) {
31        /* Just pass any /dev/xxx name right through.
32         * This might aid in some scripts being able
33         * to call this unconditionally */
34        dev = NULL;
35    } else {
36        /* Otherwise, handle LABEL=xxx and UUID=xxx,
37         * fail on anything else */
38        if (!resolve_mount_spec(argv))
39            bb_show_usage();
40    }
41
42    if (*argv != dev) {
43        puts(*argv);
44        return 0;
45    }
46    return 1;
47}
Note: See TracBrowser for help on using the repository browser.