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21 lines
366 B
C++
21 lines
366 B
C++
#ifndef RETRO_CRC32_HPP
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#define RETRO_CRC32_HPP
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#include <cstdint>
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namespace urde
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{
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class CCRC32
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{
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static const uint32_t crc32Table[256];
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static inline uint32_t permute(uint32_t checksum, uint8_t b)
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{ return (checksum >> 8) ^ crc32Table[(checksum & 0xFF) ^ b]; }
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public:
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static uint32_t Calculate(const void* data, uint32_t length);
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};
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}
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#endif
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