1/*
2 * ntfstypes.h - This file defines four things:
3 * - Generic platform independent fixed-size types (e.g. ntfs_u32).
4 * - Specific fixed-size types (e.g. ntfs_offset_t).
5 * - Macros that read and write those types from and to byte arrays.
6 * - Types derived from OS specific ones.
7 *
8 * Copyright (C) 1996, 1998, 1999 Martin von L�wis
9 * Copyright (C) 2001 Anton Altaparmakov (AIA)
10 */
11#include <linux/fs.h>
12#include "ntfsendian.h"
13#include <asm/types.h>
14
15/* Integral types */
16#ifndef NTFS_INTEGRAL_TYPES
17#define NTFS_INTEGRAL_TYPES
18typedef u8  ntfs_u8;
19typedef u16 ntfs_u16;
20typedef u32 ntfs_u32;
21typedef u64 ntfs_u64;
22typedef s8  ntfs_s8;
23typedef s16 ntfs_s16;
24typedef s32 ntfs_s32;
25typedef s64 ntfs_s64;
26#endif
27
28/* Unicode character type */
29#ifndef NTFS_WCHAR_T
30#define NTFS_WCHAR_T
31typedef u16 ntfs_wchar_t;
32#endif
33/* File offset */
34#ifndef NTFS_OFFSET_T
35#define NTFS_OFFSET_T
36typedef s64 ntfs_offset_t;
37#endif
38/* UTC */
39#ifndef NTFS_TIME64_T
40#define NTFS_TIME64_T
41typedef u64 ntfs_time64_t;
42#endif
43/*
44 * This is really signed long long. So we support only volumes up to 2Tb. This
45 * is ok as Win2k also only uses 32-bits to store clusters.
46 * Whatever you do keep this a SIGNED value or a lot of NTFS users with
47 * corrupted filesystems will lynch you! It causes massive fs corruption when
48 * unsigned due to the nature of many checks relying on being performed on
49 * signed quantities. (AIA)
50 */
51#ifndef NTFS_CLUSTER_T
52#define NTFS_CLUSTER_T
53typedef s32 ntfs_cluster_t;
54#endif
55
56/* Architecture independent macros. */
57
58/* PUTU32 would not clear all bytes. */
59#define NTFS_PUTINUM(p,i)    NTFS_PUTU64(p, i->i_number); \
60                             NTFS_PUTU16(((char*)p) + 6, i->sequence_number)
61
62/* System dependent types. */
63#include <asm/posix_types.h>
64#ifndef NTMODE_T
65#define NTMODE_T
66typedef __kernel_mode_t ntmode_t;
67#endif
68#ifndef NTFS_UID_T
69#define NTFS_UID_T
70typedef uid_t ntfs_uid_t;
71#endif
72#ifndef NTFS_GID_T
73#define NTFS_GID_T
74typedef gid_t ntfs_gid_t;
75#endif
76#ifndef NTFS_SIZE_T
77#define NTFS_SIZE_T
78typedef __kernel_size_t ntfs_size_t;
79#endif
80#ifndef NTFS_TIME_T
81#define NTFS_TIME_T
82typedef __kernel_time_t ntfs_time_t;
83#endif
84
85