ObjFW  Check-in [ab89c47f42]

		AC_MSG_ERROR([Neither INFINITY or __builtin_inf was found!])
	])
])

case "$host_cpu" in
	arm* | earm*)
		AC_MSG_CHECKING(for VFP2 or above)
		AC_TRY_COMPILE([], [
			#if !defined(__arm64__) && !defined(__aarch64__) && \
			    !defined(__ARM64_ARCH_8__)
			__asm__ __volatile__ (
			    "fstmfdd sp!, {d0-d7}"
			);
			#endif

			     mode: (of_run_loop_mode_t)mode
# ifdef OF_HAVE_BLOCKS
			    block: (nullable
				       of_stream_async_write_string_block_t)
				       block
# endif
			 delegate: (nullable id <OFStreamDelegate>)delegate;
# if !defined(OF_WII) && !defined(OF_NINTENDO_3DS)
+ (void)of_addAsyncConnectForTCPSocket: (OFTCPSocket *)socket
				  mode: (of_run_loop_mode_t)mode
			      delegate: (id <OFTCPSocketDelegate_Private>)
					    delegate;
# endif
+ (void)of_addAsyncAcceptForTCPSocket: (OFTCPSocket *)socket
				 mode: (of_run_loop_mode_t)mode
# ifdef OF_HAVE_BLOCKS
				block: (nullable
					   of_tcp_socket_async_accept_block_t)
					   block
# endif

# endif
	OFString *_string;
	of_string_encoding_t _encoding;
	size_t _writtenLength;
}
@end

# if !defined(OF_WII) && !defined(OF_NINTENDO_3DS)
@interface OFRunLoop_ConnectQueueItem: OFRunLoop_QueueItem
@end
# endif

@interface OFRunLoop_AcceptQueueItem: OFRunLoop_QueueItem
{
@public
# ifdef OF_HAVE_BLOCKS
	of_tcp_socket_async_accept_block_t _block;
# endif

	[_block release];
# endif

	[super dealloc];
}
@end

# if !defined(OF_WII) && !defined(OF_NINTENDO_3DS)
@implementation OFRunLoop_ConnectQueueItem
- (bool)handleObject: (id)object
{
	id exception = nil;
	int errNo;

	if ((errNo = [object of_socketError]) != 0)

	    @selector(of_socketDidConnect:exception:)])
		[_delegate of_socketDidConnect: object
				     exception: exception];

	return false;
}
@end
# endif

@implementation OFRunLoop_AcceptQueueItem
- (bool)handleObject: (id)object
{
	OFTCPSocket *acceptedSocket;
	id exception = nil;

# endif
	queueItem->_string = [string copy];
	queueItem->_encoding = encoding;

	QUEUE_ITEM
}

# if !defined(OF_WII) && !defined(OF_NINTENDO_3DS)
+ (void)of_addAsyncConnectForTCPSocket: (OFTCPSocket *)stream
				  mode: (of_run_loop_mode_t)mode
			      delegate: (id <OFTCPSocketDelegate_Private>)
					    delegate
{
	NEW_WRITE(OFRunLoop_ConnectQueueItem, stream, mode)

	queueItem->_delegate = [delegate retain];

	QUEUE_ITEM
}
# endif

+ (void)of_addAsyncAcceptForTCPSocket: (OFTCPSocket *)stream
				 mode: (of_run_loop_mode_t)mode
# ifdef OF_HAVE_BLOCKS
				block: (of_tcp_socket_async_accept_block_t)block
# endif
			     delegate: (id <OFTCPSocketDelegate>)delegate

 */

#import "OFTCPSocket.h"

OF_ASSUME_NONNULL_BEGIN

@interface OFTCPSocket ()
#ifndef OF_WII
@property (readonly, nonatomic) int of_socketError;
#endif

- (bool)of_createSocketForAddress: (const of_socket_address_t *)address
			    errNo: (int *)errNo;
- (bool)of_connectSocketToAddress: (const of_socket_address_t *)address
			    errNo: (int *)errNo;
- (void)of_closeSocket;
@end

OF_ASSUME_NONNULL_END

			return;
		}

		[self tryNextAddressWithRunLoopMode: runLoopMode];
		return;
	}

#if defined(OF_NINTENDO_3DS) || defined(OF_WII)
	/*
	 * On Wii and 3DS, connect() fails if non-blocking is enabled.
	 *
	 * Additionally, on Wii, there is no getsockopt(), so it would not be
	 * possible to get the error (or success) after connecting anyway.
	 *
	 * So for now, connecting is blocking on Wii and 3DS.
	 *
	 * FIXME: Use a different thread as a work around.
	 */
	[_socket setBlocking: true];
#else
	[_socket setBlocking: false];
#endif

	if (![_socket of_connectSocketToAddress: &address
					  errNo: &errNo]) {
#if !defined(OF_NINTENDO_3DS) && !defined(OF_WII)
		if (errNo == EINPROGRESS) {
			[OFRunLoop of_addAsyncConnectForTCPSocket: _socket
							     mode: runLoopMode
							 delegate: self];
			return;
		} else {
#endif
			[_socket of_closeSocket];

			if (_socketAddressesIndex >= [_socketAddresses count]) {
				_exception = [[OFConnectionFailedException
				    alloc] initWithHost: _host
						   port: _port
						 socket: _socket
						  errNo: errNo];
				[self didConnect];
				return;
			}

			[self tryNextAddressWithRunLoopMode: runLoopMode];
			return;
#if !defined(OF_NINTENDO_3DS) && !defined(OF_WII)
		}
#endif
	}

#if defined(OF_NINTENDO_3DS) || defined(OF_WII)
	[_socket setBlocking: false];
#endif

	[self didConnect];
}

-	(void)resolver: (OFDNSResolver *)resolver
  didResolveDomainName: (OFString *)domainName
       socketAddresses: (OFData *)socketAddresses

- (void)of_closeSocket
{
	closesocket(_socket);
	_socket = INVALID_SOCKET;
}

#ifndef OF_WII
- (int)of_socketError
{
	int errNo;
	socklen_t len = sizeof(errNo);

	if (getsockopt(_socket, SOL_SOCKET, SO_ERROR, (char *)&errNo,
	    &len) != 0)
		return of_socket_errno();

	return errNo;
}
#endif

- (void)connectToHost: (OFString *)host
		 port: (uint16_t)port
{
	void *pool = objc_autoreleasePoolPush();
	id <OFTCPSocketDelegate> delegate = [_delegate retain];
	OFTCPSocket_ConnectDelegate *connectDelegate =

#if SOCK_CLOEXEC == 0 && defined(HAVE_FCNTL) && defined(FD_CLOEXEC)
	if ((flags = fcntl(_socket, F_GETFD, 0)) != -1)
		fcntl(_socket, F_SETFD, flags | FD_CLOEXEC);
#endif

#if defined(OF_WII) || defined(OF_NINTENDO_3DS)
	if (of_socket_address_get_port(address) != 0) {
#endif
		if (bind(_socket, &address->sockaddr.sockaddr,
		    address->length) != 0) {
			int errNo = of_socket_errno();

			closesocket(_socket);
			_socket = INVALID_SOCKET;

} of_socket_address_t;

#ifdef __cplusplus
extern "C" {
#endif
extern bool of_socket_init(void);
extern int of_socket_errno(void);
# if !defined(OF_WII) && !defined(OF_NINTENDO_3DS)
extern int of_getsockname(of_socket_t sock, struct sockaddr *restrict addr,
    socklen_t *restrict addrLen);
# endif

/*!
 * @brief Parses the specified IP and port into an of_socket_address_t.
 *

	of_socket_address_t ret;
	struct sockaddr_in *addrIn = &ret.sockaddr.in;
	OFArray OF_GENERIC(OFString *) *components;
	uint32_t addr;

	memset(&ret, '\0', sizeof(ret));
	ret.family = OF_SOCKET_ADDRESS_FAMILY_IPV4;
#if defined(OF_WII) || defined(OF_NINTENDO_3DS)
	ret.length = 8;
#else
	ret.length = sizeof(ret.sockaddr.in);
#endif

	addrIn->sin_family = AF_INET;
	addrIn->sin_port = OF_BSWAP16_IF_LE(port);
#ifdef OF_WII
	addrIn->sin_len = ret.length;
#endif

	const struct sockaddr_in6 *addrIn6_1, *addrIn6_2;

	if (address1->family != address2->family)
		return false;

	switch (address1->family) {
	case OF_SOCKET_ADDRESS_FAMILY_IPV4:
#if defined(OF_WII) || defined(OF_NINTENDO_3DS)
		if (address1->length < 8 || address2->length < 8)

			@throw [OFInvalidArgumentException exception];
#else
		if (address1->length < (socklen_t)sizeof(struct sockaddr_in) ||
		    address2->length < (socklen_t)sizeof(struct sockaddr_in))
			@throw [OFInvalidArgumentException exception];
#endif

		addrIn1 = &address1->sockaddr.in;
		addrIn2 = &address2->sockaddr.in;

		if (addrIn1->sin_port != addrIn2->sin_port)

	uint32_t hash;

	OF_HASH_INIT(hash);
	OF_HASH_ADD(hash, address->family);

	switch (address->family) {
	case OF_SOCKET_ADDRESS_FAMILY_IPV4:
#if defined(OF_WII) || defined(OF_NINTENDO_3DS)
		if (address->length < 8)
			@throw [OFInvalidArgumentException exception];
#else
		if (address->length < (socklen_t)sizeof(struct sockaddr_in))
			@throw [OFInvalidArgumentException exception];
#endif

		OF_HASH_ADD(hash, address->sockaddr.in.sin_port >> 8);
		OF_HASH_ADD(hash, address->sockaddr.in.sin_port);
		OF_HASH_ADD(hash, address->sockaddr.in.sin_addr.s_addr >> 24);
		OF_HASH_ADD(hash, address->sockaddr.in.sin_addr.s_addr >> 16);

#ifdef OF_WII
# define accept(sock, addr, addrlen) net_accept(sock, addr, addrlen)
# define bind(sock, addr, addrlen) net_bind(sock, addr, addrlen)
# define closesocket(sock) net_close(sock)
# define connect(sock, addr, addrlen) \
    net_connect(sock, (struct sockaddr *)addr, addrlen)
# define fcntl(fd, cmd, flags) net_fcntl(fd, cmd, flags)


# define h_errno 0
# define hstrerror(err) "unknown (no hstrerror)"
# define listen(sock, backlog) net_listen(sock, backlog)
# define poll(fds, nfds, timeout) net_poll(fds, nfds, timeout)
# define recv(sock, buf, len, flags) net_recv(sock, buf, len, flags)
# define recvfrom(sock, buf, len, flags, addr, addrlen) \
    net_recvfrom(sock, buf, len, flags, addr, addrlen)