Contents of /trunk/mkinitrd-magellan/busybox/util-linux/volume_id/romfs.c
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Fri Apr 24 18:33:46 2009 UTC (15 years ago) by niro
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Fri Apr 24 18:33:46 2009 UTC (15 years ago) by niro
File MIME type: text/plain
File size: 1553 byte(s)
-updated to busybox-1.13.4
1 | /* |
2 | * volume_id - reads filesystem label and uuid |
3 | * |
4 | * Copyright (C) 2004 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 romfs_super { |
24 | uint8_t magic[8]; |
25 | uint32_t size; |
26 | uint32_t checksum; |
27 | uint8_t name[0]; |
28 | } __attribute__((__packed__)); |
29 | |
30 | int volume_id_probe_romfs(struct volume_id *id, uint64_t off) |
31 | { |
32 | struct romfs_super *rfs; |
33 | |
34 | dbg("probing at offset 0x%llx", (unsigned long long) off); |
35 | |
36 | rfs = volume_id_get_buffer(id, off, 0x200); |
37 | if (rfs == NULL) |
38 | return -1; |
39 | |
40 | if (memcmp(rfs->magic, "-rom1fs-", 4) == 0) { |
41 | size_t len = strlen((char *)rfs->name); |
42 | |
43 | if (len) { |
44 | // volume_id_set_label_raw(id, rfs->name, len); |
45 | volume_id_set_label_string(id, rfs->name, len); |
46 | } |
47 | |
48 | // volume_id_set_usage(id, VOLUME_ID_FILESYSTEM); |
49 | // id->type = "romfs"; |
50 | return 0; |
51 | } |
52 | |
53 | return -1; |
54 | } |