LzHash.h File Reference

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Macros
#define	kHash2Size   (1 << 10)
#define	kHash3Size   (1 << 16)
#define	kHash4Size   (1 << 20)
#define	kFix3HashSize   (kHash2Size)
#define	kFix4HashSize   (kHash2Size + kHash3Size)
#define	kFix5HashSize   (kHash2Size + kHash3Size + kHash4Size)
#define	HASH2_CALC   hv = cur[0] | ((uint32_t)cur[1] << 8);
#define	HASH3_CALC
#define	HASH4_CALC
#define	HASH5_CALC
#define	HASH_ZIP_CALC   hv = ((cur[2] | ((uint32_t)cur[0] << 8)) ^ p->crc[cur[1]]) & 0xFFFF;
#define	MT_HASH2_CALC   h2 = (p->crc[cur[0]] ^ cur[1]) & (kHash2Size - 1);
#define	MT_HASH3_CALC
#define	MT_HASH4_CALC

Macro Definition Documentation

HASH2_CALC

#define HASH2_CALC   hv = cur[0] | ((uint32_t)cur[1] << 8);

HASH3_CALC

#define HASH3_CALC

Value:

{ \
 uint32_t temp = p->crc[cur[0]] ^ cur[1]; \
 h2 = temp & (kHash2Size - 1); \
 hv = (temp ^ ((uint32_t)cur[2] << 8)) & p->hashMask; }

HASH4_CALC

#define HASH4_CALC

Value:

{ \
 uint32_t temp = p->crc[cur[0]] ^ cur[1]; \
 h2 = temp & (kHash2Size - 1); \
 temp ^= ((uint32_t)cur[2] << 8); \
 h3 = temp & (kHash3Size - 1); \
 hv = (temp ^ (p->crc[cur[3]] << 5)) & p->hashMask; }

HASH5_CALC

#define HASH5_CALC

Value:

{ \
 uint32_t temp = p->crc[cur[0]] ^ cur[1]; \
 h2 = temp & (kHash2Size - 1); \
 temp ^= ((uint32_t)cur[2] << 8); \
 h3 = temp & (kHash3Size - 1); \
 temp ^= (p->crc[cur[3]] << 5); \
 h4 = temp & (kHash4Size - 1); \
 hv = (temp ^ (p->crc[cur[4]] << 3)) & p->hashMask; }

HASH_ZIP_CALC

#define HASH_ZIP_CALC   hv = ((cur[2] | ((uint32_t)cur[0] << 8)) ^ p->crc[cur[1]]) & 0xFFFF;

kFix3HashSize

#define kFix3HashSize   (kHash2Size)

kFix4HashSize

#define kFix4HashSize   (kHash2Size + kHash3Size)

kFix5HashSize

#define kFix5HashSize   (kHash2Size + kHash3Size + kHash4Size)

kHash2Size

#define kHash2Size   (1 << 10)

kHash3Size

#define kHash3Size   (1 << 16)

kHash4Size

#define kHash4Size   (1 << 20)

MT_HASH2_CALC

#define MT_HASH2_CALC   h2 = (p->crc[cur[0]] ^ cur[1]) & (kHash2Size - 1);

MT_HASH3_CALC

#define MT_HASH3_CALC

Value:

{ \
 uint32_t temp = p->crc[cur[0]] ^ cur[1]; \
 h2 = temp & (kHash2Size - 1); \
 h3 = (temp ^ ((uint32_t)cur[2] << 8)) & (kHash3Size - 1); }

MT_HASH4_CALC

#define MT_HASH4_CALC

Value:

{ \
 uint32_t temp = p->crc[cur[0]] ^ cur[1]; \
 h2 = temp & (kHash2Size - 1); \
 temp ^= ((uint32_t)cur[2] << 8); \
 h3 = temp & (kHash3Size - 1); \
 h4 = (temp ^ (p->crc[cur[3]] << 5)) & (kHash4Size - 1); }