source: branches/3.2/mindi-busybox/util-linux/rdev.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: 847 bytes
Line 
1/* vi: set sw=4 ts=4: */
2/*
3 * rdev - print device node associated with a filesystem
4 *
5 * Copyright (c) 2008 Nuovation System Designs, LLC
6 *   Grant Erickson <gerickson@nuovations.com>
7 *
8 * Licensed under GPLv2, see file LICENSE in this source tree.
9 *
10 */
11
12//usage:#define rdev_trivial_usage
13//usage:       ""
14//usage:#define rdev_full_usage "\n\n"
15//usage:       "Print the device node associated with the filesystem mounted at '/'"
16//usage:
17//usage:#define rdev_example_usage
18//usage:       "$ rdev\n"
19//usage:       "/dev/mtdblock9 /\n"
20
21#include "libbb.h"
22
23int rdev_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
24int rdev_main(int argc UNUSED_PARAM, char **argv UNUSED_PARAM)
25{
26    const char *root_device = find_block_device("/");
27
28    if (root_device) {
29        printf("%s /\n", root_device);
30        return EXIT_SUCCESS;
31    }
32    return EXIT_FAILURE;
33}
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