ObjFW  Diff

		@throw [OFReadFailedException
		    exceptionWithObject: self
			requestedLength: length
				  errNo: OFSocketErrNo()];
#endif

	if (sender != NULL) {
		struct sockaddr *sa = (struct sockaddr *)&sender->sockaddr;

		if (sender->length >= sizeof(sa->sa_family)) {
			switch (sa->sa_family) {
			case AF_INET:
				sender->family = OFSocketAddressFamilyIPv4;
				break;
#ifdef OF_HAVE_IPV6
			case AF_INET6:
				sender->family = OFSocketAddressFamilyIPv6;
				break;
#endif
#ifdef OF_HAVE_UNIX_SOCKETS
			case AF_UNIX:
				sender->family = OFSocketAddressFamilyUNIX;
				break;
#endif
#ifdef OF_HAVE_IPX
			case AF_IPX:
				sender->family = OFSocketAddressFamilyIPX;
				break;
#endif
#ifdef OF_HAVE_APPLETALK
			case AF_APPLETALK:
				sender->family = OFSocketAddressFamilyAppleTalk;
				break;
#endif
			default:
				sender->family = OFSocketAddressFamilyUnknown;
				break;
			}
		} else
			sender->family = OFSocketAddressFamilyUnknown;
	}

	return ret;
}

- (void)asyncReceiveIntoBuffer: (void *)buffer length: (size_t)length
{