2011-12-04 15:14:43 +00:00
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/* 7zCrc.h -- CRC32 calculation
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2009-11-21 : Igor Pavlov : Public domain */
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#ifndef __7Z_CRC_H
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#define __7Z_CRC_H
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#include "Types.h"
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EXTERN_C_BEGIN
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extern UInt32 g_CrcTable[];
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/* Call CrcGenerateTable one time before other CRC functions */
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void MY_FAST_CALL CrcGenerateTable(void);
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#define CRC_INIT_VAL 0xFFFFFFFF
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#define CRC_GET_DIGEST(crc) ((crc) ^ CRC_INIT_VAL)
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#define CRC_UPDATE_BYTE(crc, b) (g_CrcTable[((crc) ^ (b)) & 0xFF] ^ ((crc) >> 8))
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2016-07-31 23:55:24 +00:00
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UInt32 MY_FAST_CALL CrcUpdate(UInt32 crc, const void* data, size_t size);
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UInt32 MY_FAST_CALL CrcCalc(const void* data, size_t size);
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2011-12-04 15:14:43 +00:00
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EXTERN_C_END
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#endif
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