| /* 7zCrc.h -- CRC32 calculation | |
| 2013-01-18 : Igor Pavlov : Public domain */ | |
| #ifndef __7Z_CRC_H | |
| #define __7Z_CRC_H | |
| #include "7zTypes.h" | |
| EXTERN_C_BEGIN | |
| extern UInt32 g_CrcTable[]; | |
| /* Call CrcGenerateTable one time before other CRC functions */ | |
| void MY_FAST_CALL CrcGenerateTable(void); | |
| #define CRC_INIT_VAL 0xFFFFFFFF | |
| #define CRC_GET_DIGEST(crc) ((crc) ^ CRC_INIT_VAL) | |
| #define CRC_UPDATE_BYTE(crc, b) (g_CrcTable[((crc) ^ (b)) & 0xFF] ^ ((crc) >> 8)) | |
| UInt32 MY_FAST_CALL CrcUpdate(UInt32 crc, const void *data, size_t size); | |
| UInt32 MY_FAST_CALL CrcCalc(const void *data, size_t size); | |
| EXTERN_C_END | |
| #endif |