2 * volume_id - reads filesystem label and uuid
4 * Copyright (C) 2005 Kay Sievers <kay.sievers@vrfy.org>
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library 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 GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 //kbuild:### lib-$(CONFIG_FEATURE_VOLUMEID_HPFS) += hpfs.o
23 //config:### config FEATURE_VOLUMEID_HPFS
24 //config:### bool "hpfs filesystem"
25 //config:### default y
26 //config:### depends on VOLUMEID
28 #include "volume_id_internal.h"
35 #define HPFS_SUPERBLOCK_OFFSET 0x2000
37 int FAST_FUNC 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 = 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);
49 // volume_id_set_usage(id, VOLUME_ID_FILESYSTEM);