img_size_bytes    766 ext/gd/libgd/webpimg.c 	  const int img_size_bytes  = *p_out_size_bytes - kRiffHeaderSize;
img_size_bytes    767 ext/gd/libgd/webpimg.c 	  const int chunk_size = (img_size_bytes + 1) & ~1;  /* make size even */
img_size_bytes    782 ext/gd/libgd/webpimg.c 	  if (img_size_bytes & 1) {  /* write a padding byte */