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
126
127
128
129
130
|
/*
* Copyright (c) 2017, Intel Corporation
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of Intel Corporation nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include "stream_compress.h"
#include "state.h"
#include "nfa/nfa_internal.h"
#include "rose/rose_internal.h"
#include "util/multibit.h"
#include "util/multibit_compress.h"
#include "util/uniform_ops.h"
#include <string.h>
#define COPY_IN(p, sz) do { \
assert(currOffset + sz <= buf_size); \
memcpy(buf + currOffset, p, sz); \
currOffset += sz; \
DEBUG_PRINTF("co = %zu\n", currOffset); \
} while (0);
#define COPY_OUT(p, sz) do { \
if (currOffset + sz > buf_size) { \
return 0; \
} \
memcpy(p, buf + currOffset, sz); \
currOffset += sz; \
DEBUG_PRINTF("co = %zu\n", currOffset); \
} while (0);
#define SIZE_COPY_IN(p, sz) do { \
currOffset += sz; \
DEBUG_PRINTF("co = %zu\n", currOffset); \
} while (0);
#define COPY_MULTIBIT_IN(p, total_bits) do { \
size_t sz; \
STREAM_QUAL u8 *bits = (STREAM_QUAL u8 *)p; \
BUF_QUAL u8 *comp = (BUF_QUAL u8 *)(buf + currOffset); \
if (!mmbit_compress(bits, total_bits, comp, &sz, \
buf_size - currOffset)) { \
return 0; /* error */ \
} \
currOffset += sz; \
DEBUG_PRINTF("co = %zu\n", currOffset); \
} while (0);
#define COPY_MULTIBIT_OUT(p, total_bits) do { \
size_t sz; \
STREAM_QUAL u8 *bits = (STREAM_QUAL u8 *)p; \
BUF_QUAL u8 *comp = (BUF_QUAL u8 *)(buf + currOffset); \
if (!mmbit_decompress(bits, total_bits, comp, &sz, \
buf_size - currOffset)) { \
return 0; /* error */ \
} \
currOffset += sz; \
DEBUG_PRINTF("co = %zu\n", currOffset); \
} while (0);
#define COPY_MULTIBIT_SIZE(p, total_bits) do { \
STREAM_QUAL u8 *bits = (STREAM_QUAL u8 *)p; \
size_t sz = mmbit_compsize(bits, total_bits); \
currOffset += sz; \
DEBUG_PRINTF("co = %zu\n", currOffset); \
} while (0);
#define COPY COPY_OUT
#define COPY_MULTIBIT COPY_MULTIBIT_OUT
#define ASSIGN(lhs, rhs) do { lhs = rhs; } while (0)
#define FN_SUFFIX expand
#define STREAM_QUAL
#define BUF_QUAL const
#include "stream_compress_impl.h"
int expand_stream(struct hs_stream *stream, const struct RoseEngine *rose,
const char *buf, size_t buf_size) {
return sc_expand(rose, stream, buf, buf_size);
}
#define COPY COPY_IN
#define COPY_MULTIBIT COPY_MULTIBIT_IN
#define ASSIGN(lhs, rhs) do { } while (0)
#define FN_SUFFIX compress
#define STREAM_QUAL const
#define BUF_QUAL
#include "stream_compress_impl.h"
size_t compress_stream(char *buf, size_t buf_size,
const struct RoseEngine *rose,
const struct hs_stream *stream) {
return sc_compress(rose, stream, buf, buf_size);
}
#define COPY SIZE_COPY_IN
#define COPY_MULTIBIT COPY_MULTIBIT_SIZE
#define ASSIGN(lhs, rhs) do { } while (0)
#define FN_SUFFIX size
#define STREAM_QUAL const
#define BUF_QUAL UNUSED
#include "stream_compress_impl.h"
size_t size_compress_stream(const struct RoseEngine *rose,
const struct hs_stream *stream) {
return sc_size(rose, stream, NULL, 0);
}
|
