3
0

rdev.c 586 B

123456789101112131415161718192021222324
  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. #include "libbb.h"
  12. int rdev_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
  13. int rdev_main(int argc UNUSED_PARAM, char **argv UNUSED_PARAM)
  14. {
  15. char const * const root_device = find_block_device("/");
  16. if (root_device != NULL) {
  17. printf("%s /\n", root_device);
  18. return EXIT_SUCCESS;
  19. }
  20. return EXIT_FAILURE;
  21. }