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 PLATFORM_LINUX
  13//config:       select VOLUMEID
  14//config:       help
  15//config:       Lists labels and UUIDs of all filesystems.
  16//config:
  17//config:config FEATURE_BLKID_TYPE
  18//config:       bool "Print filesystem type"
  19//config:       default y
  20//config:       depends on BLKID
  21//config:       help
  22//config:       Show TYPE="filesystem type"
  23
  24//applet:IF_BLKID(APPLET_NOEXEC(blkid, blkid, BB_DIR_SBIN, BB_SUID_DROP, blkid))
  25
  26//kbuild:lib-$(CONFIG_BLKID) += blkid.o
  27
  28//usage:#define blkid_trivial_usage
  29//usage:       "[BLOCKDEV]..."
  30//usage:#define blkid_full_usage "\n\n"
  31//usage:       "Print UUIDs of all filesystems"
  32
  33#include "libbb.h"
  34#include "volume_id.h"
  35
  36int blkid_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
  37int blkid_main(int argc UNUSED_PARAM, char **argv)
  38{
  39        int scan_devices = 1;
  40
  41        while (*++argv) {
  42                /* Note: bogus device names don't cause any error messages */
  43                add_to_uuid_cache(*argv);
  44                scan_devices = 0;
  45        }
  46
  47        display_uuid_cache(scan_devices);
  48        return 0;
  49}
  50