github_mirrors/vectorscan
3
0
Fork 1
mirror of https://github.com/VectorCamp/vectorscan.git synced 2025-10-10 00:02:24 +03:00
Code Issues Packages Projects Releases Wiki Activity

multibit compression support

Browse Source
This commit is contained in:
Hong, Yang A
2017-05-08 15:56:28 -04:00
committed by Matthew Barr
parent 5f6291529f
commit 205a5bc98f
6 changed files with 1032 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files

35
src/stream_compress.c
View File

@@ -32,6 +32,7 @@
#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>
@@ -57,7 +58,39 @@
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
@@ -70,6 +103,7 @@ int expand_stream(struct hs_stream *stream, const struct RoseEngine *rose,
}
#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
@@ -83,6 +117,7 @@ size_t compress_stream(char *buf, size_t 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