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