2 * volume_id - reads filesystem label and uuid
4 * Copyright (C) 2005 Kay Sievers <kay.sievers@vrfy.org>
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License as published by the
8 * Free Software Foundation version 2 of the License.
26 #include "libvolume_id.h"
35 #define HPFS_SUPERBLOCK_OFFSET 0x2000
37 int volume_id_probe_hpfs(struct volume_id *id, uint64_t off)
39 struct hpfs_super *hs;
41 dbg("probing at offset 0x%llx", (unsigned long long) off);
43 hs = (struct hpfs_super *) volume_id_get_buffer(id, off + HPFS_SUPERBLOCK_OFFSET, 0x200);
47 if (memcmp(hs->magic, "\x49\xe8\x95\xf9", 4) == 0) {
48 sprintf(id->type_version, "%u", hs->version);
50 volume_id_set_usage(id, VOLUME_ID_FILESYSTEM);