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 
37 typedef uint8_t  u8;			/* Unsigned types of an exact size */
38 typedef uint16_t u16;
39 typedef uint32_t u32;
40 typedef uint64_t u64;
41 
42 typedef int8_t  s8;			/* Signed types of an exact size */
43 typedef int16_t s16;
44 typedef int32_t s32;
45 typedef int64_t s64;
46 
47 typedef u16 le16;
48 typedef u32 le32;
49 typedef u64 le64;
50 
51 typedef u16 be16;
52 typedef u32 be32;
53 typedef u64 be64;
54 
55 /*
56  * Declare s{l,b}e{16,32,64} to be unsigned because we do not want sign
57  * extension on BE architectures.
58  */
59 typedef u16 sle16;
60 typedef u32 sle32;
61 typedef u64 sle64;
62 
63 typedef u16 sbe16;
64 typedef u32 sbe32;
65 typedef u64 sbe64;
66 
67 typedef le16 ntfschar;			/* 2-byte Unicode character type. */
68 #define UCHAR_T_SIZE_BITS 1
69 
70 /*
71  * Clusters are signed 64-bit values on NTFS volumes.  We define two types, LCN
72  * and VCN, to allow for type checking and better code readability.
73  */
74 typedef s64 VCN;
75 typedef sle64 leVCN;
76 typedef s64 LCN;
77 typedef sle64 leLCN;
78 
79 /*
80  * The NTFS journal $LogFile uses log sequence numbers which are signed 64-bit
81  * values.  We define our own type LSN, to allow for type checking and better
82  * code readability.
83  */
84 typedef s64 LSN;
85 typedef sle64 leLSN;
86 
87 /*
88  * Cygwin has a collision between our BOOL and <windef.h>'s
89  * As long as this file will be included after <windows.h> were fine.
90  */
91 #ifndef _WINDEF_H
92 /**
93  * enum BOOL - These are just to make the code more readable...
94  */
95 typedef enum {
96 #ifndef FALSE
97 	FALSE = 0,
98 #endif
99 #ifndef NO
100 	NO = 0,
101 #endif
102 #ifndef ZERO
103 	ZERO = 0,
104 #endif
105 #ifndef TRUE
106 	TRUE = 1,
107 #endif
108 #ifndef YES
109 	YES = 1,
110 #endif
111 #ifndef ONE
112 	ONE = 1,
113 #endif
114 } BOOL;
115 #endif /* defined _WINDEF_H */
116 
117 /**
118  * enum IGNORE_CASE_BOOL -
119  */
120 typedef enum {
121 	CASE_SENSITIVE = 0,
122 	IGNORE_CASE = 1,
123 } IGNORE_CASE_BOOL;
124 
125 #define STATUS_OK				(0)
126 #define STATUS_ERROR				(-1)
127 #define STATUS_RESIDENT_ATTRIBUTE_FILLED_MFT	(-2)
128 #define STATUS_KEEP_SEARCHING			(-3)
129 #define STATUS_NOT_FOUND			(-4)
130 
131 /*
132  *	Force alignment in a struct if required by processor
133  */
134 union ALIGNMENT {
135 	u64 u64align;
136 	void *ptralign;
137 } ;
138 
139 #endif /* defined _NTFS_TYPES_H */
140 
141