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
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation, either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program. If not, see <http://www.gnu.org/licenses/>.
31 #include "libvolume_id.h"
32 #include "libvolume_id-private.h"
40 #define HPFS_SUPERBLOCK_OFFSET 0x2000
42 int volume_id_probe_hpfs(struct volume_id *id, uint64_t off, uint64_t size)
44 struct hpfs_super *hs;
46 info("probing at offset 0x%llx\n", (unsigned long long) off);
48 hs = (struct hpfs_super *) volume_id_get_buffer(id, off + HPFS_SUPERBLOCK_OFFSET, 0x200);
52 if (memcmp(hs->magic, "\x49\xe8\x95\xf9", 4) == 0) {
53 sprintf(id->type_version, "%u", hs->version);
55 volume_id_set_usage(id, VOLUME_ID_FILESYSTEM);