ObjFW  Diff

		     sender: (OFSocketAddress *)sender
{
	ssize_t ret;

	if (_socket == OFInvalidSocketHandle)
		@throw [OFNotOpenException exceptionWithObject: self];

	if (sender != NULL)
		sender->length = (socklen_t)sizeof(sender->sockaddr);

#ifndef OF_WINDOWS
	if ((ret = recvfrom(_socket, buffer, length, 0,
	    (sender != NULL ? (struct sockaddr *)&sender->sockaddr : NULL),
	    (sender != NULL ? &sender->length : NULL))) < 0)
		@throw [OFReadFailedException
		    exceptionWithObject: self
			requestedLength: length
				  errNo: OFSocketErrNo()];
#else
	if (length > INT_MAX)
		@throw [OFOutOfRangeException exception];

	if ((ret = recvfrom(_socket, buffer, (int)length, 0,
	    (sender != NULL ? (struct sockaddr *)&sender->sockaddr : NULL),
	    (sender != NULL ? &sender->length : NULL))) < 0)
		@throw [OFReadFailedException
		    exceptionWithObject: self
			requestedLength: length
				  errNo: OFSocketErrNo()];
#endif

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

	return ret;
}

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