ObjFW  Diff

/*
 * Copyright (c) 2008-2022 Jonathan Schleifer <js@nil.im>
 * Copyright (c) 2008-2023 Jonathan Schleifer <js@nil.im>
 *
 * All rights reserved.
 *
 * This file is part of ObjFW. It may be distributed under the terms of the
 * Q Public License 1.0, which can be found in the file LICENSE.QPL included in
 * the packaging of this file.
 *

		     sender: (OFSocketAddress *)sender
{
	ssize_t ret;

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

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

#ifndef OF_WINDOWS
	if ((ret = recvfrom(_socket, buffer, length, 0,
	    (struct sockaddr *)&sender->sockaddr, &sender->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,
	    (struct sockaddr *)&sender->sockaddr, &sender->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;
		struct sockaddr *sa = (struct sockaddr *)&sender->sockaddr;

		if (sender->length >= (socklen_t)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;
			case AF_INET6:
				sender->family = OFSocketAddressFamilyIPv6;
				break;
#endif
#ifdef OF_HAVE_UNIX_SOCKETS
	case AF_UNIX:
		sender->family = OFSocketAddressFamilyUNIX;
		break;
			case AF_UNIX:
				sender->family = OFSocketAddressFamilyUNIX;
				break;
#endif
#ifdef OF_HAVE_IPX
	case AF_IPX:
		sender->family = OFSocketAddressFamilyIPX;
		break;
			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;
			default:
				sender->family = OFSocketAddressFamilyUnknown;
				break;
			}
		} else
			sender->family = OFSocketAddressFamilyUnknown;
	}

	return ret;
}

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