ObjFW  Diff

	if (_stream == nil)
		@throw [OFNotOpenException exceptionWithObject: self];

	if (_atEndOfStream)
		return 0;

#if SIZE_MAX >= UINT64_MAX
	if (sizeof(length) >= sizeof(uint64_t) && length > UINT64_MAX)
	if (length > UINT64_MAX)
		@throw [OFOutOfRangeException exception];
#endif

	if ((uint64_t)length > _toRead)
		length = (size_t)_toRead;

	ret = [_decompressedStream readIntoBuffer: buffer
					   length: length];