diff options
Diffstat (limited to 'IntelFrameworkModulePkg/Library/LzmaCustomDecompressLib/Sdk/C/LzHash.h')
| -rw-r--r-- | IntelFrameworkModulePkg/Library/LzmaCustomDecompressLib/Sdk/C/LzHash.h | 47 |
1 files changed, 25 insertions, 22 deletions
diff --git a/IntelFrameworkModulePkg/Library/LzmaCustomDecompressLib/Sdk/C/LzHash.h b/IntelFrameworkModulePkg/Library/LzmaCustomDecompressLib/Sdk/C/LzHash.h index c923417501..2191444072 100644 --- a/IntelFrameworkModulePkg/Library/LzmaCustomDecompressLib/Sdk/C/LzHash.h +++ b/IntelFrameworkModulePkg/Library/LzmaCustomDecompressLib/Sdk/C/LzHash.h @@ -1,8 +1,8 @@ /* LzHash.h -- HASH functions for LZ algorithms
-2008-10-04 : Igor Pavlov : Public domain */
+2015-04-12 : Igor Pavlov : Public domain */
-#ifndef __LZHASH_H
-#define __LZHASH_H
+#ifndef __LZ_HASH_H
+#define __LZ_HASH_H
#define kHash2Size (1 << 10)
#define kHash3Size (1 << 16)
@@ -12,43 +12,46 @@ #define kFix4HashSize (kHash2Size + kHash3Size)
#define kFix5HashSize (kHash2Size + kHash3Size + kHash4Size)
-#define HASH2_CALC hashValue = cur[0] | ((UInt32)cur[1] << 8);
+#define HASH2_CALC hv = cur[0] | ((UInt32)cur[1] << 8);
#define HASH3_CALC { \
UInt32 temp = p->crc[cur[0]] ^ cur[1]; \
- hash2Value = temp & (kHash2Size - 1); \
- hashValue = (temp ^ ((UInt32)cur[2] << 8)) & p->hashMask; }
+ h2 = temp & (kHash2Size - 1); \
+ hv = (temp ^ ((UInt32)cur[2] << 8)) & p->hashMask; }
#define HASH4_CALC { \
UInt32 temp = p->crc[cur[0]] ^ cur[1]; \
- hash2Value = temp & (kHash2Size - 1); \
- hash3Value = (temp ^ ((UInt32)cur[2] << 8)) & (kHash3Size - 1); \
- hashValue = (temp ^ ((UInt32)cur[2] << 8) ^ (p->crc[cur[3]] << 5)) & p->hashMask; }
+ h2 = temp & (kHash2Size - 1); \
+ temp ^= ((UInt32)cur[2] << 8); \
+ h3 = temp & (kHash3Size - 1); \
+ hv = (temp ^ (p->crc[cur[3]] << 5)) & p->hashMask; }
#define HASH5_CALC { \
UInt32 temp = p->crc[cur[0]] ^ cur[1]; \
- hash2Value = temp & (kHash2Size - 1); \
- hash3Value = (temp ^ ((UInt32)cur[2] << 8)) & (kHash3Size - 1); \
- hash4Value = (temp ^ ((UInt32)cur[2] << 8) ^ (p->crc[cur[3]] << 5)); \
- hashValue = (hash4Value ^ (p->crc[cur[4]] << 3)) & p->hashMask; \
- hash4Value &= (kHash4Size - 1); }
+ h2 = temp & (kHash2Size - 1); \
+ temp ^= ((UInt32)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; }
-/* #define HASH_ZIP_CALC hashValue = ((cur[0] | ((UInt32)cur[1] << 8)) ^ p->crc[cur[2]]) & 0xFFFF; */
-#define HASH_ZIP_CALC hashValue = ((cur[2] | ((UInt32)cur[0] << 8)) ^ p->crc[cur[1]]) & 0xFFFF;
+/* #define HASH_ZIP_CALC hv = ((cur[0] | ((UInt32)cur[1] << 8)) ^ p->crc[cur[2]]) & 0xFFFF; */
+#define HASH_ZIP_CALC hv = ((cur[2] | ((UInt32)cur[0] << 8)) ^ p->crc[cur[1]]) & 0xFFFF;
#define MT_HASH2_CALC \
- hash2Value = (p->crc[cur[0]] ^ cur[1]) & (kHash2Size - 1);
+ h2 = (p->crc[cur[0]] ^ cur[1]) & (kHash2Size - 1);
#define MT_HASH3_CALC { \
UInt32 temp = p->crc[cur[0]] ^ cur[1]; \
- hash2Value = temp & (kHash2Size - 1); \
- hash3Value = (temp ^ ((UInt32)cur[2] << 8)) & (kHash3Size - 1); }
+ h2 = temp & (kHash2Size - 1); \
+ h3 = (temp ^ ((UInt32)cur[2] << 8)) & (kHash3Size - 1); }
#define MT_HASH4_CALC { \
UInt32 temp = p->crc[cur[0]] ^ cur[1]; \
- hash2Value = temp & (kHash2Size - 1); \
- hash3Value = (temp ^ ((UInt32)cur[2] << 8)) & (kHash3Size - 1); \
- hash4Value = (temp ^ ((UInt32)cur[2] << 8) ^ (p->crc[cur[3]] << 5)) & (kHash4Size - 1); }
+ h2 = temp & (kHash2Size - 1); \
+ temp ^= ((UInt32)cur[2] << 8); \
+ h3 = temp & (kHash3Size - 1); \
+ h4 = (temp ^ (p->crc[cur[3]] << 5)) & (kHash4Size - 1); }
#endif
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