1/*
2 * types.h - Misc type definitions not related to on-disk structure.
3 *           Originated from the Linux-NTFS project.
4 *
5 * Copyright (c) 2000-2004 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 NTFS-3G
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 _NTFS_TYPES_H
24#define _NTFS_TYPES_H
25
26#ifdef HAVE_CONFIG_H
27#include "config.h"
28#endif
29
30#if HAVE_STDINT_H || !HAVE_CONFIG_H
31#include <stdint.h>
32#endif
33#ifdef HAVE_SYS_TYPES_H
34#include <sys/types.h>
35#endif
36
37typedef uint8_t  u8;			/* Unsigned types of an exact size */
38typedef uint16_t u16;
39typedef uint32_t u32;
40typedef uint64_t u64;
41
42typedef int8_t  s8;			/* Signed types of an exact size */
43typedef int16_t s16;
44typedef int32_t s32;
45typedef int64_t s64;
46
47typedef u16 le16;
48typedef u32 le32;
49typedef u64 le64;
50
51/*
52 * Declare sle{16,32,64} to be unsigned because we do not want sign extension
53 * on BE architectures.
54 */
55typedef u16 sle16;
56typedef u32 sle32;
57typedef u64 sle64;
58
59typedef u16 ntfschar;			/* 2-byte Unicode character type. */
60#define UCHAR_T_SIZE_BITS 1
61
62/*
63 * Clusters are signed 64-bit values on NTFS volumes.  We define two types, LCN
64 * and VCN, to allow for type checking and better code readability.
65 */
66typedef s64 VCN;
67typedef sle64 leVCN;
68typedef s64 LCN;
69typedef sle64 leLCN;
70
71/*
72 * The NTFS journal $LogFile uses log sequence numbers which are signed 64-bit
73 * values.  We define our own type LSN, to allow for type checking and better
74 * code readability.
75 */
76typedef s64 LSN;
77typedef sle64 leLSN;
78
79/*
80 * Cygwin has a collision between our BOOL and <windef.h>'s
81 * As long as this file will be included after <windows.h> were fine.
82 */
83#ifndef _WINDEF_H
84/**
85 * enum BOOL - These are just to make the code more readable...
86 */
87typedef enum {
88#ifndef FALSE
89	FALSE = 0,
90#endif
91#ifndef NO
92	NO = 0,
93#endif
94#ifndef ZERO
95	ZERO = 0,
96#endif
97#ifndef TRUE
98	TRUE = 1,
99#endif
100#ifndef YES
101	YES = 1,
102#endif
103#ifndef ONE
104	ONE = 1,
105#endif
106} BOOL;
107#endif /* defined _WINDEF_H */
108
109/**
110 * enum IGNORE_CASE_BOOL -
111 */
112typedef enum {
113	CASE_SENSITIVE = 0,
114	IGNORE_CASE = 1,
115} IGNORE_CASE_BOOL;
116
117#define STATUS_OK				(0)
118#define STATUS_ERROR				(-1)
119#define STATUS_RESIDENT_ATTRIBUTE_FILLED_MFT	(-2)
120#define STATUS_KEEP_SEARCHING			(-3)
121#define STATUS_NOT_FOUND			(-4)
122
123/*
124 *	Force alignment in a struct if required by processor
125 */
126union ALIGNMENT {
127	u64 u64align;
128	void *ptralign;
129} ;
130
131#endif /* defined _NTFS_TYPES_H */
132
133