1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
|
/*
* AUTHOR
* Stef Walter
*
* LICENSE
* This software is in the public domain.
*
* The software is provided "as is", without warranty of any kind,
* express or implied, including but not limited to the warranties
* of merchantability, fitness for a particular purpose, and
* noninfringement. In no event shall the author(s) be liable for any
* claim, damages, or other liability, whether in an action of
* contract, tort, or otherwise, arising from, out of, or in connection
* with the software or the use or other dealings in the software.
*
* SUPPORT
* Send bug reports to: <stef@memberwebs.com>
*/
#ifndef __DRIVE_H__20010822
#define __DRIVE_H__20010822
#include "usuals.h"
#define kSectorSize 0x200
#ifdef _WIN32
#define kInvalidSector 0xFFFFFFFFFFFFFFFF
#else
#define kInvalidSector 0xFFFFFFFFFFFFFFFFLL
#endif
struct _ntfsx_mftmap;
struct _drivelocks;
typedef struct _partitioninfo
{
uint32 first; /* The first sector (in sectors) */
uint32 end; /* The end sector (in sectors) */
uint32 mft; /* Offset into the MFT (in sectors) */
byte cluster; /* Cluster size (in sectors) */
int device; /* A handle to an open device */
/* Some other context stuff about the drive */
struct _drivelocks* locks;
struct _ntfsx_mftmap* mftmap;
}
partitioninfo;
#pragma pack(1)
#define kPartition_Invalid 0
#define kPartition_Extended 5
#define kPartition_ExtendedLBA 15
/* Partition table entry */
typedef struct _drive_partentry
{
byte active; /* partition bootable flag */
byte starthead; /* starting head */
byte startsector; /* starting sector and 2 MS bits of cylinder */
byte startcylinder; /* starting cylinder (low 8 bits) */
byte system; /* partition type */
byte endhead; /* ending head */
byte endsector; /* ending sector and 2 MS bits of cylinder */
byte endcylinder; /* ending cylinder (low 8 bits) */
uint32 startsec; /* absolute starting sector */
uint32 endsec; /* absolute ending sector */
}
drive_partentry;
#define kMBR_Sig 0xAA55
/* Master Boot Record */
typedef struct _drive_mbr
{
byte fill[0x1be]; /* boot code */
drive_partentry partitions[4]; /* partition table */
uint16 sig; /* 55AAh boot signature */
}
drive_mbr;
#pragma pack()
#define CLUSTER_TO_SECTOR(info, clus) (((clus) * (info).cluster) + (info).first)
#define SECTOR_TO_BYTES(sec) ((sec) * kSectorSize)
#define CLUSTER_SIZE(info) ((info).cluster * kSectorSize)
#ifdef _WIN32
/* driveName should be MAX_PATH chars long */
void makeDriveName(char* driveName, int i);
#endif
#endif /* __DRIVE_H__ */
|