Function stbi__skip_jpeg_junk_at_end

include/stb/stb_image.h:3389–3409

}

static stbi_uc stbi__skip_jpeg_junk_at_end(stbi__jpeg *j)
{
   // some JPEGs have junk at end, skip over it but if we find what looks
   // like a valid marker, resume there
   while (!stbi__at_eof(j->s)) {
      stbi_uc x = stbi__get8(j->s);
      while (x == 0xff) { // might be a marker
         if (stbi__at_eof(j->s)) return STBI__MARKER_none;
         x = stbi__get8(j->s);
         if (x != 0x00 && x != 0xff) {
            // not a stuffed zero or lead-in to another marker, looks
            // like an actual marker, return it
            return x;
         }
         // stuffed zero has x=0 now which ends the loop, meaning we go
         // back to regular scan loop.
         // repeated 0xff keeps trying to read the next byte of the marker.
      }
   }
   return STBI__MARKER_none;
}

// decode image to YCbCr format
static int stbi__decode_jpeg_image(stbi__jpeg *j)