[3320] | 1 | /*
|
---|
| 2 | * volume_id - reads filesystem label and uuid
|
---|
| 3 | *
|
---|
| 4 | * Copyright (C) 2005 Kay Sievers <kay.sievers@vrfy.org>
|
---|
| 5 | *
|
---|
| 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.
|
---|
| 10 | *
|
---|
| 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.
|
---|
| 15 | *
|
---|
| 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
|
---|
| 19 | */
|
---|
| 20 |
|
---|
| 21 | #include "volume_id_internal.h"
|
---|
| 22 |
|
---|
| 23 | struct hpfs_super {
|
---|
| 24 | uint8_t magic[4];
|
---|
| 25 | uint8_t version;
|
---|
| 26 | } PACKED;
|
---|
| 27 |
|
---|
| 28 | #define HPFS_SUPERBLOCK_OFFSET 0x2000
|
---|
| 29 |
|
---|
| 30 | int FAST_FUNC volume_id_probe_hpfs(struct volume_id *id, uint64_t off)
|
---|
| 31 | {
|
---|
| 32 | struct hpfs_super *hs;
|
---|
| 33 |
|
---|
| 34 | dbg("probing at offset 0x%llx", (unsigned long long) off);
|
---|
| 35 |
|
---|
| 36 | hs = volume_id_get_buffer(id, off + HPFS_SUPERBLOCK_OFFSET, 0x200);
|
---|
| 37 | if (hs == NULL)
|
---|
| 38 | return -1;
|
---|
| 39 |
|
---|
| 40 | if (memcmp(hs->magic, "\x49\xe8\x95\xf9", 4) == 0) {
|
---|
| 41 | // sprintf(id->type_version, "%u", hs->version);
|
---|
| 42 | // volume_id_set_usage(id, VOLUME_ID_FILESYSTEM);
|
---|
| 43 | // id->type = "hpfs";
|
---|
| 44 | return 0;
|
---|
| 45 | }
|
---|
| 46 |
|
---|
| 47 | return -1;
|
---|
| 48 | }
|
---|