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25 lines
555 B
C
25 lines
555 B
C
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/* 7zCrc.h -- CRC32 calculation
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2008-03-13
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Igor Pavlov
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Public domain */
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#ifndef __7Z_CRC_H
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#define __7Z_CRC_H
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#include <stddef.h>
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#include "Types.h"
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extern UInt32 g_CrcTable[];
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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) ^ 0xFFFFFFFF)
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#define CRC_UPDATE_BYTE(crc, b) (g_CrcTable[((crc) ^ (b)) & 0xFF] ^ ((crc) >> 8))
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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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#endif
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