mirror of
https://github.com/Xevion/easy7zip.git
synced 2025-12-07 07:14:56 -06:00
Update to 7-Zip 17.00 Beta
This commit is contained in:
50
C/7zCrcOpt.c
50
C/7zCrcOpt.c
@@ -1,5 +1,5 @@
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/* 7zCrcOpt.c -- CRC32 calculation
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2015-03-01 : Igor Pavlov : Public domain */
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2017-04-03 : Igor Pavlov : Public domain */
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#include "Precomp.h"
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@@ -18,10 +18,10 @@ UInt32 MY_FAST_CALL CrcUpdateT4(UInt32 v, const void *data, size_t size, const U
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{
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v ^= *(const UInt32 *)p;
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v =
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table[0x300 + ((v ) & 0xFF)]
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^ table[0x200 + ((v >> 8) & 0xFF)]
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^ table[0x100 + ((v >> 16) & 0xFF)]
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^ table[0x000 + ((v >> 24))];
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(table + 0x300)[((v ) & 0xFF)]
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^ (table + 0x200)[((v >> 8) & 0xFF)]
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^ (table + 0x100)[((v >> 16) & 0xFF)]
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^ (table + 0x000)[((v >> 24))];
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}
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for (; size > 0; size--, p++)
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v = CRC_UPDATE_BYTE_2(v, *p);
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@@ -38,16 +38,16 @@ UInt32 MY_FAST_CALL CrcUpdateT8(UInt32 v, const void *data, size_t size, const U
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UInt32 d;
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v ^= *(const UInt32 *)p;
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v =
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table[0x700 + ((v ) & 0xFF)]
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^ table[0x600 + ((v >> 8) & 0xFF)]
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^ table[0x500 + ((v >> 16) & 0xFF)]
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^ table[0x400 + ((v >> 24))];
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(table + 0x700)[((v ) & 0xFF)]
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^ (table + 0x600)[((v >> 8) & 0xFF)]
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^ (table + 0x500)[((v >> 16) & 0xFF)]
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^ (table + 0x400)[((v >> 24))];
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d = *((const UInt32 *)p + 1);
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v ^=
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table[0x300 + ((d ) & 0xFF)]
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^ table[0x200 + ((d >> 8) & 0xFF)]
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^ table[0x100 + ((d >> 16) & 0xFF)]
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^ table[0x000 + ((d >> 24))];
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(table + 0x300)[((d ) & 0xFF)]
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^ (table + 0x200)[((d >> 8) & 0xFF)]
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^ (table + 0x100)[((d >> 16) & 0xFF)]
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^ (table + 0x000)[((d >> 24))];
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}
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for (; size > 0; size--, p++)
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v = CRC_UPDATE_BYTE_2(v, *p);
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@@ -74,10 +74,10 @@ UInt32 MY_FAST_CALL CrcUpdateT1_BeT4(UInt32 v, const void *data, size_t size, co
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{
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v ^= *(const UInt32 *)p;
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v =
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table[0x000 + ((v ) & 0xFF)]
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^ table[0x100 + ((v >> 8) & 0xFF)]
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^ table[0x200 + ((v >> 16) & 0xFF)]
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^ table[0x300 + ((v >> 24))];
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(table + 0x000)[((v ) & 0xFF)]
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^ (table + 0x100)[((v >> 8) & 0xFF)]
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^ (table + 0x200)[((v >> 16) & 0xFF)]
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^ (table + 0x300)[((v >> 24))];
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}
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for (; size > 0; size--, p++)
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v = CRC_UPDATE_BYTE_2_BE(v, *p);
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@@ -96,16 +96,16 @@ UInt32 MY_FAST_CALL CrcUpdateT1_BeT8(UInt32 v, const void *data, size_t size, co
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UInt32 d;
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v ^= *(const UInt32 *)p;
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v =
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table[0x400 + ((v ) & 0xFF)]
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^ table[0x500 + ((v >> 8) & 0xFF)]
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^ table[0x600 + ((v >> 16) & 0xFF)]
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^ table[0x700 + ((v >> 24))];
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(table + 0x400)[((v ) & 0xFF)]
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^ (table + 0x500)[((v >> 8) & 0xFF)]
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^ (table + 0x600)[((v >> 16) & 0xFF)]
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^ (table + 0x700)[((v >> 24))];
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d = *((const UInt32 *)p + 1);
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v ^=
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table[0x000 + ((d ) & 0xFF)]
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^ table[0x100 + ((d >> 8) & 0xFF)]
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^ table[0x200 + ((d >> 16) & 0xFF)]
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^ table[0x300 + ((d >> 24))];
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(table + 0x000)[((d ) & 0xFF)]
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^ (table + 0x100)[((d >> 8) & 0xFF)]
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^ (table + 0x200)[((d >> 16) & 0xFF)]
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^ (table + 0x300)[((d >> 24))];
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}
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for (; size > 0; size--, p++)
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v = CRC_UPDATE_BYTE_2_BE(v, *p);
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