ObjFW  Diff

						      size: size];
	if ((ret = read(fd, buf, size)) == 0)
		eos = YES;

	return ret;
}

- (size_t)writeNBytes: (size_t)size
	   fromBuffer: (const char*)buf
- (size_t)writeNBytesWithoutCache: (size_t)size
		       fromBuffer: (const char*)buf
{
	size_t ret;

	if (fd == -1 || eos || (ret = write(fd, buf, size)) < size)
		@throw [OFWriteFailedException newWithClass: isa
						       size: size];