void CLASS packed_load_raw()
{
  int vbits = 0, bwide, rbits, bite, half, irow, row, col, val, i;
  UINT64 bitbuf = 0;

  bwide = raw_width * tiff_bps / 8;
  bwide += bwide & load_flags >> 7;
  rbits = bwide * 8 - raw_width * tiff_bps;
  if (load_flags & 1)
    bwide = bwide * 16 / 15;
  bite = 8 + (load_flags & 24);
  half = (raw_height + 1) >> 1;
  for (irow = 0; irow < raw_height; irow++)
  {
#ifdef LIBRAW_LIBRARY_BUILD
    checkCancel();
#endif
    row = irow;
    if (load_flags & 2 && (row = irow % half * 2 + irow / half) == 1 && load_flags & 4)
    {
      if (vbits = 0, tiff_compress)
        fseek(ifp, data_offset - (-half * bwide & -2048), SEEK_SET);
      else
      {
        fseek(ifp, 0, SEEK_END);
        fseek(ifp, ftell(ifp) >> 3 << 2, SEEK_SET);
      }
    }
    for (col = 0; col < raw_width; col++)
    {
      for (vbits -= tiff_bps; vbits < 0; vbits += bite)
      {
        bitbuf <<= bite;
        for (i = 0; i < bite; i += 8)
          bitbuf |= (unsigned)(fgetc(ifp) << i);
      }
      val = bitbuf << (64 - tiff_bps - vbits) >> (64 - tiff_bps);
      RAW(row, col ^ (load_flags >> 6 & 1)) = val;
      if (load_flags & 1 && (col % 10) == 9 && fgetc(ifp) && row < height + top_margin && col < width + left_margin)
        derror();
    }
    vbits -= rbits;
  }
}
Unknown