LXR busybox/util-linux/blkid.c

   1/* vi: set sw=4 ts=4: */
   2/*
   3 * Print UUIDs on all filesystems
   4 *
   5 * Copyright (C) 2008 Denys Vlasenko.
   6 *
   7 * Licensed under GPLv2, see file LICENSE in this source tree.
   8 */
   9//config:config BLKID
  10//config:       bool "blkid (12 kb)"
  11//config:       default y
  12//config:       select VOLUMEID
  13//config:       help
  14//config:       Lists labels and UUIDs of all filesystems.
  15//config:
  16//config:config FEATURE_BLKID_TYPE
  17//config:       bool "Print filesystem type"
  18//config:       default y
  19//config:       depends on BLKID
  20//config:       help
  21//config:       Show TYPE="filesystem type"
  22
  23//applet:IF_BLKID(APPLET_NOEXEC(blkid, blkid, BB_DIR_SBIN, BB_SUID_DROP, blkid))
  24
  25//kbuild:lib-$(CONFIG_BLKID) += blkid.o
  26
  27//usage:#define blkid_trivial_usage
  28//usage:       "[BLOCKDEV]..."
  29//usage:#define blkid_full_usage "\n\n"
  30//usage:       "Print UUIDs of all filesystems"
  31
  32#include "libbb.h"
  33#include "volume_id.h"
  34
  35int blkid_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
  36int blkid_main(int argc UNUSED_PARAM, char **argv)
  37{
  38        int scan_devices = 1;
  39
  40        while (*++argv) {
  41                /* Note: bogus device names don't cause any error messages */
  42                add_to_uuid_cache(*argv);
  43                scan_devices = 0;
  44        }
  45
  46        display_uuid_cache(scan_devices);
  47        return 0;
  48}
  49