1/*
2 * types.h - Defines for NTFS Linux kernel driver specific types.
3 * Part of the Linux-NTFS project.
4 *
5 * Copyright (c) 2001-2005 Anton Altaparmakov
6 *
7 * This program/include file is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License as published
9 * by the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * This program/include file is distributed in the hope that it will be
13 * useful, but WITHOUT ANY WARRANTY; without even the implied warranty
14 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program (in the main directory of the Linux-NTFS
19 * distribution in the file COPYING); if not, write to the Free Software
20 * Foundation,Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 */
22
23#ifndef _LINUX_NTFS_TYPES_H
24#define _LINUX_NTFS_TYPES_H
25
26#include <linux/types.h>
27
28typedef __le16 le16;
29typedef __le32 le32;
30typedef __le64 le64;
31typedef __u16 __bitwise sle16;
32typedef __u32 __bitwise sle32;
33typedef __u64 __bitwise sle64;
34
35/* 2-byte Unicode character type. */
36typedef le16 ntfschar;
37#define UCHAR_T_SIZE_BITS 1
38
39/*
40 * Clusters are signed 64-bit values on NTFS volumes. We define two types, LCN
41 * and VCN, to allow for type checking and better code readability.
42 */
43typedef s64 VCN;
44typedef sle64 leVCN;
45typedef s64 LCN;
46typedef sle64 leLCN;
47
48/*
49 * The NTFS journal $LogFile uses log sequence numbers which are signed 64-bit
50 * values. We define our own type LSN, to allow for type checking and better
51 * code readability.
52 */
53typedef s64 LSN;
54typedef sle64 leLSN;
55
56/*
57 * The NTFS transaction log $UsnJrnl uses usn which are signed 64-bit values.
58 * We define our own type USN, to allow for type checking and better code
59 * readability.
60 */
61typedef s64 USN;
62typedef sle64 leUSN;
63
64typedef enum {
65 CASE_SENSITIVE = 0,
66 IGNORE_CASE = 1,
67} IGNORE_CASE_BOOL;
68
69#endif /* _LINUX_NTFS_TYPES_H */
70