metaforce/Runtime/CCRC32.hpp

21 lines
366 B
C++

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