2018-10-07 03:42:33 +00:00
|
|
|
#pragma once
|
2015-08-17 19:26:47 +00:00
|
|
|
#include <cstdint>
|
|
|
|
|
2018-12-08 05:30:43 +00:00
|
|
|
namespace urde {
|
2015-08-17 22:05:00 +00:00
|
|
|
|
2018-12-08 05:30:43 +00:00
|
|
|
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];
|
|
|
|
}
|
2015-08-17 19:26:47 +00:00
|
|
|
|
|
|
|
public:
|
2018-12-08 05:30:43 +00:00
|
|
|
static uint32_t Calculate(const void* data, uint32_t length);
|
2015-08-17 19:26:47 +00:00
|
|
|
};
|
|
|
|
|
2018-12-08 05:30:43 +00:00
|
|
|
} // namespace urde
|