6 #define kHash2Size (1 << 10)
7 #define kHash3Size (1 << 16)
8 #define kHash4Size (1 << 20)
10 #define kFix3HashSize (kHash2Size)
11 #define kFix4HashSize (kHash2Size + kHash3Size)
12 #define kFix5HashSize (kHash2Size + kHash3Size + kHash4Size)
14 #define HASH2_CALC hashValue = cur[0] | ((UInt32)cur[1] << 8);
16 #define HASH3_CALC { \
17 UInt32 temp = g_CrcTable[cur[0]] ^ cur[1]; \
18 hash2Value = temp & (kHash2Size - 1); \
19 hashValue = (temp ^ ((UInt32)cur[2] << 8)) & p->hashMask; }
21 #define HASH4_CALC { \
22 UInt32 temp = g_CrcTable[cur[0]] ^ cur[1]; \
23 hash2Value = temp & (kHash2Size - 1); \
24 hash3Value = (temp ^ ((UInt32)cur[2] << 8)) & (kHash3Size - 1); \
25 hashValue = (temp ^ ((UInt32)cur[2] << 8) ^ (g_CrcTable[cur[3]] << 5)) & p->hashMask; }
27 #define HASH5_CALC { \
28 UInt32 temp = g_CrcTable[cur[0]] ^ cur[1]; \
29 hash2Value = temp & (kHash2Size - 1); \
30 hash3Value = (temp ^ ((UInt32)cur[2] << 8)) & (kHash3Size - 1); \
31 hash4Value = (temp ^ ((UInt32)cur[2] << 8) ^ (g_CrcTable[cur[3]] << 5)); \
32 hashValue = (hash4Value ^ (g_CrcTable[cur[4]] << 3)) & p->hashMask; \
33 hash4Value &= (kHash4Size - 1); }
35 /* #define HASH_ZIP_CALC hashValue = ((cur[0] | ((UInt32)cur[1] << 8)) ^ g_CrcTable[cur[2]]) & 0xFFFF; */
36 #define HASH_ZIP_CALC hashValue = ((cur[2] | ((UInt32)cur[0] << 8)) ^ g_CrcTable[cur[1]]) & 0xFFFF;
39 #define MT_HASH2_CALC \
40 hash2Value = (g_CrcTable[cur[0]] ^ cur[1]) & (kHash2Size - 1);
42 #define MT_HASH3_CALC { \
43 UInt32 temp = g_CrcTable[cur[0]] ^ cur[1]; \
44 hash2Value = temp & (kHash2Size - 1); \
45 hash3Value = (temp ^ ((UInt32)cur[2] << 8)) & (kHash3Size - 1); }
47 #define MT_HASH4_CALC { \
48 UInt32 temp = g_CrcTable[cur[0]] ^ cur[1]; \
49 hash2Value = temp & (kHash2Size - 1); \
50 hash3Value = (temp ^ ((UInt32)cur[2] << 8)) & (kHash3Size - 1); \
51 hash4Value = (temp ^ ((UInt32)cur[2] << 8) ^ (g_CrcTable[cur[3]] << 5)) & (kHash4Size - 1); }