util-linux/volume_id/unused_hpfs.c

/*
 * volume_id - reads filesystem label and uuid
 *
 * Copyright (C) 2005 Kay Sievers <kay.sievers@vrfy.org>
 *
 *	This library is free software; you can redistribute it and/or
 *	modify it under the terms of the GNU Lesser General Public
 *	License as published by the Free Software Foundation; either
 *	version 2.1 of the License, or (at your option) any later version.
 *
 *	This library is distributed in the hope that it will be useful,
 *	but WITHOUT ANY WARRANTY; without even the implied warranty of
 *	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 *	Lesser General Public License for more details.
 *
 *	You should have received a copy of the GNU Lesser General Public
 *	License along with this library; if not, write to the Free Software
 *	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 */

#include "volume_id_internal.h"

struct hpfs_super
{
	uint8_t		magic[4];
	uint8_t		version;
} __attribute__((__packed__));

#define HPFS_SUPERBLOCK_OFFSET			0x2000

int volume_id_probe_hpfs(struct volume_id *id, uint64_t off)
{
	struct hpfs_super *hs;

	dbg("probing at offset 0x%llx", (unsigned long long) off);

	hs = volume_id_get_buffer(id, off + HPFS_SUPERBLOCK_OFFSET, 0x200);
	if (hs == NULL)
		return -1;

	if (memcmp(hs->magic, "\x49\xe8\x95\xf9", 4) == 0) {
//		sprintf(id->type_version, "%u", hs->version);
//		volume_id_set_usage(id, VOLUME_ID_FILESYSTEM);
//		id->type = "hpfs";
		return 0;
	}

	return -1;
}
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	{
25	uint8_t magic[4];
26	uint8_t version;
27	} __attribute__((__packed__));
28
29	#define HPFS_SUPERBLOCK_OFFSET 0x2000
30
31	int volume_id_probe_hpfs(struct volume_id *id, uint64_t off)
32	{
33	struct hpfs_super *hs;
34
35	dbg("probing at offset 0x%llx", (unsigned long long) off);
36
37	hs = volume_id_get_buffer(id, off + HPFS_SUPERBLOCK_OFFSET, 0x200);
38	if (hs == NULL)
39	return -1;
40
41	if (memcmp(hs->magic, "\x49\xe8\x95\xf9", 4) == 0) {
42	// sprintf(id->type_version, "%u", hs->version);
43	// volume_id_set_usage(id, VOLUME_ID_FILESYSTEM);
44	// id->type = "hpfs";
45	return 0;
46	}
47
48	return -1;
49	}