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Update lz4 to version 1.9.3

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This commit is contained in:
Tino Reichardt
2020-12-06 11:07:42 +01:00
parent 03cc9ede2b
commit b093e28e93
9 changed files with 768 additions and 545 deletions
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55
C/lz4/lz4hc.h
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@@ -198,57 +198,32 @@ LZ4LIB_API int LZ4_saveDictHC (LZ4_streamHC_t* streamHCPtr, char* safeBuffer, in
#define LZ4HC_HASH_MASK (LZ4HC_HASHTABLESIZE - 1)
#if defined(__cplusplus) || (defined (__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L) /* C99 */)
#include <stdint.h>
typedef struct LZ4HC_CCtx_internal LZ4HC_CCtx_internal;
struct LZ4HC_CCtx_internal
{
uint32_t hashTable[LZ4HC_HASHTABLESIZE];
uint16_t chainTable[LZ4HC_MAXD];
const uint8_t* end; /* next block here to continue on current prefix */
const uint8_t* base; /* All index relative to this position */
const uint8_t* dictBase; /* alternate base for extDict */
uint32_t dictLimit; /* below that point, need extDict */
uint32_t lowLimit; /* below that point, no more dict */
uint32_t nextToUpdate; /* index from which to continue dictionary update */
short compressionLevel;
int8_t favorDecSpeed; /* favor decompression speed if this flag set,
otherwise, favor compression ratio */
int8_t dirty; /* stream has to be fully reset if this flag is set */
LZ4_u32 hashTable[LZ4HC_HASHTABLESIZE];
LZ4_u16 chainTable[LZ4HC_MAXD];
const LZ4_byte* end; /* next block here to continue on current prefix */
const LZ4_byte* base; /* All index relative to this position */
const LZ4_byte* dictBase; /* alternate base for extDict */
LZ4_u32 dictLimit; /* below that point, need extDict */
LZ4_u32 lowLimit; /* below that point, no more dict */
LZ4_u32 nextToUpdate; /* index from which to continue dictionary update */
short compressionLevel;
LZ4_i8 favorDecSpeed; /* favor decompression speed if this flag set,
otherwise, favor compression ratio */
LZ4_i8 dirty; /* stream has to be fully reset if this flag is set */
const LZ4HC_CCtx_internal* dictCtx;
};
#else
typedef struct LZ4HC_CCtx_internal LZ4HC_CCtx_internal;
struct LZ4HC_CCtx_internal
{
unsigned int hashTable[LZ4HC_HASHTABLESIZE];
unsigned short chainTable[LZ4HC_MAXD];
const unsigned char* end; /* next block here to continue on current prefix */
const unsigned char* base; /* All index relative to this position */
const unsigned char* dictBase; /* alternate base for extDict */
unsigned int dictLimit; /* below that point, need extDict */
unsigned int lowLimit; /* below that point, no more dict */
unsigned int nextToUpdate; /* index from which to continue dictionary update */
short compressionLevel;
char favorDecSpeed; /* favor decompression speed if this flag set,
otherwise, favor compression ratio */
char dirty; /* stream has to be fully reset if this flag is set */
const LZ4HC_CCtx_internal* dictCtx;
};
#endif
/* Do not use these definitions directly !
* Declare or allocate an LZ4_streamHC_t instead.
*/
#define LZ4_STREAMHCSIZE (4*LZ4HC_HASHTABLESIZE + 2*LZ4HC_MAXD + 56 + ((sizeof(void*)==16) ? 56 : 0) /* AS400*/ ) /* 262200 or 262256*/
#define LZ4_STREAMHCSIZE_SIZET (LZ4_STREAMHCSIZE / sizeof(size_t))
#define LZ4_STREAMHCSIZE 262200 /* static size, for inter-version compatibility */
#define LZ4_STREAMHCSIZE_VOIDP (LZ4_STREAMHCSIZE / sizeof(void*))
union LZ4_streamHC_u {
size_t table[LZ4_STREAMHCSIZE_SIZET];
void* table[LZ4_STREAMHCSIZE_VOIDP];
LZ4HC_CCtx_internal internal_donotuse;
}; /* previously typedef'd to LZ4_streamHC_t */