Contents of /trunk/mkinitrd-magellan/busybox/util-linux/volume_id/unused_hpfs.c
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Revision 984 -
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Sun May 30 11:32:42 2010 UTC (13 years, 11 months ago) by niro
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Sun May 30 11:32:42 2010 UTC (13 years, 11 months ago) by niro
File MIME type: text/plain
File size: 1462 byte(s)
-updated to busybox-1.16.1 and enabled blkid/uuid support in default config
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 | } |