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This commit is contained in:
Igor Pavlov
2017-08-29 20:49:43 +01:00
committed by Kornel
parent 2efa10565a
commit b5dc853b24
110 changed files with 4714 additions and 1700 deletions
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16
C/XzCrc64.c
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@@ -1,5 +1,5 @@
/* XzCrc64.c -- CRC64 calculation
2017-04-03 : Igor Pavlov : Public domain */
2017-05-23 : Igor Pavlov : Public domain */
#include "Precomp.h"
@@ -9,9 +9,9 @@
#define kCrc64Poly UINT64_CONST(0xC96C5795D7870F42)
#ifdef MY_CPU_LE
#define CRC_NUM_TABLES 4
#define CRC64_NUM_TABLES 4
#else
#define CRC_NUM_TABLES 5
#define CRC64_NUM_TABLES 5
#define CRC_UINT64_SWAP(v) \
((v >> 56) \
| ((v >> 40) & ((UInt64)0xFF << 8)) \
@@ -29,10 +29,10 @@
UInt64 MY_FAST_CALL XzCrc64UpdateT4(UInt64 v, const void *data, size_t size, const UInt64 *table);
#endif
typedef UInt64 (MY_FAST_CALL *CRC_FUNC)(UInt64 v, const void *data, size_t size, const UInt64 *table);
typedef UInt64 (MY_FAST_CALL *CRC64_FUNC)(UInt64 v, const void *data, size_t size, const UInt64 *table);
static CRC_FUNC g_Crc64Update;
UInt64 g_Crc64Table[256 * CRC_NUM_TABLES];
static CRC64_FUNC g_Crc64Update;
UInt64 g_Crc64Table[256 * CRC64_NUM_TABLES];
UInt64 MY_FAST_CALL Crc64Update(UInt64 v, const void *data, size_t size)
{
@@ -55,7 +55,7 @@ void MY_FAST_CALL Crc64GenerateTable()
r = (r >> 1) ^ (kCrc64Poly & ((UInt64)0 - (r & 1)));
g_Crc64Table[i] = r;
}
for (i = 256; i < 256 * CRC_NUM_TABLES; i++)
for (i = 256; i < 256 * CRC64_NUM_TABLES; i++)
{
UInt64 r = g_Crc64Table[(size_t)i - 256];
g_Crc64Table[i] = g_Crc64Table[r & 0xFF] ^ (r >> 8);
@@ -74,7 +74,7 @@ void MY_FAST_CALL Crc64GenerateTable()
else
#endif
{
for (i = 256 * CRC_NUM_TABLES - 1; i >= 256; i--)
for (i = 256 * CRC64_NUM_TABLES - 1; i >= 256; i--)
{
UInt64 x = g_Crc64Table[(size_t)i - 256];
g_Crc64Table[i] = CRC_UINT64_SWAP(x);