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 tarball for details.
9 *
10 */
11
12#include "libbb.h"
13
14int rdev_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
15int rdev_main(int argc UNUSED_PARAM, char **argv UNUSED_PARAM)
16{
17	char const * const root_device = find_block_device("/");
18
19	if (root_device != NULL) {
20		printf("%s /\n", root_device);
21		return EXIT_SUCCESS;
22	}
23	return EXIT_FAILURE;
24}
25