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21 lines
670 B
C++
21 lines
670 B
C++
#ifndef CRC32_H
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#define CRC32_H
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#include "types.h"
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class CRC32 {
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public:
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// one buffer CRC32
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static uint32 Generate(const uint8* buf, uint32 bufsize);
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static uint32 GenerateNoFlip(const uint8* buf, uint32 bufsize); // Same as Generate(), but without the ~
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static void SetEQChecksum(uchar* in_data, uint32 in_length, uint32 start_at=4);
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// Multiple buffer CRC32
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static uint32 Update(const uint8* buf, uint32 bufsize, uint32 crc32 = 0xFFFFFFFF);
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static inline uint32 Finish(uint32 crc32) { return ~crc32; }
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static inline void Finish(uint32* crc32) { *crc32 = ~(*crc32); }
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private:
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static inline void Calc(const uint8 byte, uint32& crc32);
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};
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#endif
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