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
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
|
/*
* Storage media buffer
*
* Copyright (c) 2006-2014, Joachim Metz <joachim.metz@gmail.com>
*
* Refer to AUTHORS for acknowledgements.
*
* This software is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this software. If not, see <http://www.gnu.org/licenses/>.
*/
#if !defined( _STORAGE_MEDIA_BUFFER_H )
#define _STORAGE_MEDIA_BUFFER_H
#include <common.h>
#include <types.h>
#include "ewftools_libcerror.h"
#if defined( __cplusplus )
extern "C" {
#endif
enum STORAGE_MEDIA_BUFFER_MODES
{
STORAGE_MEDIA_BUFFER_MODE_BUFFERED = 0,
STORAGE_MEDIA_BUFFER_MODE_CHUNK_DATA = 1
};
typedef struct storage_media_buffer storage_media_buffer_t;
struct storage_media_buffer
{
/* The mode
*/
uint8_t mode;
/* The raw buffer
*/
uint8_t *raw_buffer;
/* The raw buffer size
*/
size_t raw_buffer_size;
/* The size of the data in the raw buffer
*/
size_t raw_buffer_data_size;
/* Value to indicate if the compression buffer
* contains uncompressed data
*/
int8_t data_in_compression_buffer;
/* Value to indicate if the data is compressed
*/
int8_t is_compressed;
/* The compression buffer
*/
uint8_t *compression_buffer;
/* The compression buffer size
*/
size_t compression_buffer_size;
/* The size of the data in the compression buffer
*/
size_t compression_buffer_data_size;
/* The process count after read or write prepare
*/
size_t process_count;
/* The checksum buffer
*/
uint8_t *checksum_buffer;
/* Value to indicate if the checksum should be processed
* read or written
*/
int8_t process_checksum;
/* The checksum of the data within the buffer
*/
uint32_t checksum;
};
int storage_media_buffer_initialize(
storage_media_buffer_t **buffer,
uint8_t mode,
size_t size,
libcerror_error_t **error );
int storage_media_buffer_free(
storage_media_buffer_t **buffer,
libcerror_error_t **error );
int storage_media_buffer_resize(
storage_media_buffer_t *buffer,
size_t size,
libcerror_error_t **error );
int storage_media_buffer_get_data(
storage_media_buffer_t *buffer,
uint8_t **data,
size_t *data_size,
libcerror_error_t **error );
#if defined( __cplusplus )
}
#endif
#endif
|
