#ifndef CRC_H__
#define CRC_H__

#include "traits.h"

struct crc32
{
  uint32_t crc;

  crc32 ()
  {
    crc = ~uint32_t (0);
  }

  void
  operator ()(const uint8_t byte)
  {
    extern const uint32_t crc_32_tab[256];
    crc = crc_32_tab[uint8_t (crc) ^ byte] ^ (crc >> 8);
  }

  operator uint32_t () { return crc; }
};

#endif