1 /* vi: set sw=4 ts=4: */
3 * rdev - print device node associated with a filesystem
5 * Copyright (c) 2008 Nuovation System Designs, LLC
6 * Grant Erickson <gerickson@nuovations.com>
8 * Licensed under GPLv2, see file LICENSE in this source tree.
12 //usage:#define rdev_trivial_usage
14 //usage:#define rdev_full_usage "\n\n"
15 //usage: "Print the device node associated with the filesystem mounted at '/'"
17 //usage:#define rdev_example_usage
19 //usage: "/dev/mtdblock9 /\n"
23 int rdev_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
24 int rdev_main(int argc UNUSED_PARAM, char **argv UNUSED_PARAM)
26 const char *root_device = find_block_device("/");
29 printf("%s /\n", root_device);