Function lodepng_crc32

src/lodepng.cpp:2303–2313

Return the CRC of the bytes buf[0..len-1].*/

/*Return the CRC of the bytes buf[0..len-1].*/
unsigned lodepng_crc32(const unsigned char* buf, size_t len)
{
  unsigned c = 0xffffffffL;
  size_t n;

  for(n = 0; n < len; n++)
  {
    c = lodepng_crc32_table[(c ^ buf[n]) & 0xff] ^ (c >> 8);
  }
  return c ^ 0xffffffffL;
}

/* ////////////////////////////////////////////////////////////////////////// */
/* / Reading and writing single bits and bytes from/to stream for LodePNG   / */