Mercurial > vba-linux

     1 /* 7zCrc.h -- CRC32 calculation

     2 2008-03-13

     3 Igor Pavlov

     4 Public domain */

     5 

     6 #ifndef __7Z_CRC_H

     7 #define __7Z_CRC_H

     8 

     9 #include <stddef.h>

    10 

    11 #include "Types.h"

    12 

    13 extern UInt32 g_CrcTable[];

    14 

    15 void MY_FAST_CALL CrcGenerateTable(void);

    16 

    17 #define CRC_INIT_VAL 0xFFFFFFFF

    18 #define CRC_GET_DIGEST(crc) ((crc) ^ 0xFFFFFFFF)

    19 #define CRC_UPDATE_BYTE(crc, b) (g_CrcTable[((crc) ^ (b)) & 0xFF] ^ ((crc) >> 8))

    20 

    21 UInt32 MY_FAST_CALL CrcUpdate(UInt32 crc, const void *data, size_t size);

    22 UInt32 MY_FAST_CALL CrcCalc(const void *data, size_t size);

    23 

    24 #endif
author	Robert McIntyre <rlm@mit.edu>
date	Sat, 03 Mar 2012 10:31:47 -0600
parents	f9f4f1b99eed
children