ObjFW  Check-in [2a2e17d8d0]

])
AX_CHECK_COMPILER_FLAGS(-Wshorten-64-to-32 -Werror,
	[OBJCFLAGS="$OBJCFLAGS -Wshorten-64-to-32"])
AX_CHECK_COMPILER_FLAGS(-Wsemicolon-before-method-body -Werror,
	[OBJCFLAGS="$OBJCFLAGS -Wsemicolon-before-method-body"])
AX_CHECK_COMPILER_FLAGS(-Wobjc-property-synthesis -Werror,
	[OBJCFLAGS="$OBJCFLAGS -Wobjc-property-synthesis"])
AX_CHECK_COMPILER_FLAGS(-Wsign-compare -Werror,
	[OBJCFLAGS="$OBJCFLAGS -Wsign-compare"])

AC_MSG_CHECKING(whether Objective C compiler supports properties)
AC_TRY_COMPILE([
	@interface Foo
	{
		id bar;
	}

#import "OFSystemInfo.h"

#ifdef OF_HAVE_SOCKETS
# import "OFHTTPRequestFailedException.h"
#endif
#import "OFInvalidArgumentException.h"
#import "OFInvalidFormatException.h"
#import "OFInvalidServerReplyException.h"
#import "OFOutOfMemoryException.h"
#import "OFOutOfRangeException.h"
#import "OFTruncatedDataException.h"
#import "OFUnsupportedProtocolException.h"

#import "base64.h"

{
	@try {
		OFFile *file = [[OFFile alloc] initWithPath: path
						       mode: @"rb"];
		of_offset_t size = [[OFFileManager defaultManager]
		    sizeOfFileAtPath: path];

		if (sizeof(of_offset_t) > sizeof(size_t) &&
		    size > (of_offset_t)SIZE_MAX)
			@throw [OFOutOfRangeException exception];

		self = [self initWithItemSize: 1
				     capacity: (size_t)size];

		@try {
			size_t pageSize = [OFSystemInfo pageSize];

			OFHTTPRequest *request = [OFHTTPRequest
			    requestWithURL: URL];
			OFHTTPResponse *response = [client
			    performRequest: request];
			size_t pageSize;
			char *buffer;
			OFDictionary *headers;
			OFString *contentLengthString;

			if ([response statusCode] != 200)
				@throw [OFHTTPRequestFailedException
				    exceptionWithRequest: request
						response: response];

			pageSize = [OFSystemInfo pageSize];

						 count: length];
				}
			} @finally {
				[self freeMemory: buffer];
			}

			headers = [response headers];
			if ((contentLengthString =
			    [headers objectForKey: @"Content-Length"]) != nil) {
				intmax_t contentLength =
				    [contentLengthString decimalValue];

				if (contentLength < 0)
					@throw [OFInvalidServerReplyException
					    exception];

				if ((uintmax_t)[self count] !=
				    (uintmax_t)contentLength)
					@throw [OFTruncatedDataException
					    exception];
			}
		} @catch (id e) {
			[self release];
			@throw e;
		}
	} else
# endif
		@throw [OFUnsupportedProtocolException exceptionWithURL: URL];

		case OF_GZIP_STREAM_CRC32:
			_bytesRead += [_stream readIntoBuffer: _buffer
						       length: 4 - _bytesRead];

			if (_bytesRead < 4)
				return 0;

			if ((((uint32_t)_buffer[3] << 24) | (_buffer[2] << 16) |
			    (_buffer[1] << 8) | _buffer[0]) != ~_CRC32)
				@throw [OFChecksumFailedException exception];

			_bytesRead = 0;
			_CRC32 = ~0;
			_state++;
			break;
		case OF_GZIP_STREAM_UNCOMPRESSED_SIZE:
			_bytesRead += [_stream readIntoBuffer: _buffer
						       length: 4 - _bytesRead];

			if ((((uint32_t)_buffer[3] << 24) | (_buffer[2] << 16) |
			    (_buffer[1] << 8) | _buffer[0]) !=
			    _uncompressedSize)
				@throw [OFChecksumFailedException exception];

			_bytesRead = 0;
			_uncompressedSize = 0;
			_state = OF_GZIP_STREAM_ID1;

	contentLength = [headers objectForKey: @"Content-Length"];
	if (contentLength != nil) {
		_hasContentLength = true;

		@try {
			intmax_t toRead = [contentLength decimalValue];

			if (toRead < 0)
				@throw [OFInvalidServerReplyException
				    exception];

			if (sizeof(intmax_t) > sizeof(size_t) &&
			    toRead > (intmax_t)SIZE_MAX)
				@throw [OFOutOfRangeException exception];

			_toRead = (size_t)toRead;
		} @catch (OFInvalidFormatException *e) {
			@throw [OFInvalidServerReplyException exception];
		}
	}

		void *pool;

		if (eventList[i].flags & EV_ERROR)
			@throw [OFObserveFailedException
			    exceptionWithObserver: self
					    errNo: (int)eventList[i].data];

		if (eventList[i].ident == (uintptr_t)_cancelFD[0]) {
			char buffer;

			assert(eventList[i].filter == EVFILT_READ);
			OF_ENSURE(read(_cancelFD[0], &buffer, 1) == 1);

			continue;
		}

OF_ASSUME_NONNULL_BEGIN

@class OFDataArray;

@interface OFKernelEventObserver_poll: OFKernelEventObserver
{
	OFDataArray *_FDs;
	int _maxFD;
	id __unsafe_unretained *_FDToObject;
}
@end

OF_ASSUME_NONNULL_END

		_FDs = [[OFDataArray alloc] initWithItemSize:
		    sizeof(struct pollfd)];
		[_FDs addItem: &p];

		_maxFD = _cancelFD[0];
		_FDToObject = [self allocMemoryWithSize: sizeof(id)
						  count: (size_t)_maxFD + 1];
	} @catch (id e) {
		[self release];
		@throw e;
	}

	return self;
}

	if (!found) {
		struct pollfd p = { fd, events, 0 };

		if (fd > _maxFD) {
			_maxFD = fd;
			_FDToObject = [self resizeMemory: _FDToObject
						    size: sizeof(id)
						   count: (size_t)_maxFD + 1];
		}

		_FDToObject[fd] = object;
		[_FDs addItem: &p];
	}
}

	if ([self isSubclassOfClass: class])
		return;

#if defined(OF_OBJFW_RUNTIME)
	for (struct objc_method_list *methodlist =
	    object_getClass(class)->methodlist;
	    methodlist != NULL; methodlist = methodlist->next) {
		for (unsigned int i = 0; i < methodlist->count; i++) {
			SEL selector = (SEL)&methodlist->methods[i].sel;

			/*
			 * Don't replace methods implemented in the receiving
			 * class.
			 */
			if ([self methodForSelector: selector] !=
			    [superclass methodForSelector: selector])
				continue;

			[self replaceClassMethod: selector
			     withMethodFromClass: class];
		}
	}

	for (struct objc_method_list *methodlist = class->methodlist;
	    methodlist != NULL; methodlist = methodlist->next) {
		for (unsigned int i = 0; i < methodlist->count; i++) {
			SEL selector = (SEL)&methodlist->methods[i].sel;

			/*
			 * Don't replace methods implemented in the receiving
			 * class.
			 */
			if ([self instanceMethodForSelector: selector] !=

		if (of_stat(path, &st) != 0)
			@throw [OFOpenItemFailedException
			    exceptionWithPath: path
					 mode: @"rb"
					errNo: errno];

		if (sizeof(of_offset_t) > sizeof(size_t) &&
		    st.st_size > (of_offset_t)SIZE_MAX)
			@throw [OFOutOfRangeException exception];

		file = [[OFFile alloc] initWithPath: path
					       mode: @"rb"];

		@try {
			tmp = [self allocMemoryWithSize: (size_t)st.st_size];

/* Reference for static linking */
int _OFTCPSocket_SOCKS5_reference;

static void
send_or_exception(OFTCPSocket *self, int socket, char *buffer, size_t length)
{
	if (length > SSIZE_MAX)
		@throw [OFOutOfRangeException exception];

	if (send(socket, buffer, length, 0) != (ssize_t)length)
		@throw [OFWriteFailedException
		    exceptionWithObject: self
			requestedLength: length
				  errNo: of_socket_errno()];
}

static void

 * @brief A class for accessing and manipulating ZIP files.
 */
@interface OFZIPArchive: OFObject
{
	OFSeekableStream *_stream;
	uint32_t _diskNumber, _centralDirectoryDisk;
	uint64_t _centralDirectoryEntriesInDisk, _centralDirectoryEntries;
	uint64_t _centralDirectorySize;
	int64_t _centralDirectoryOffset;
	OFString *_archiveComment;
	OFMutableArray OF_GENERIC(OFZIPArchiveEntry*) *_entries;
	OFMutableDictionary OF_GENERIC(OFString*, OFZIPArchiveEntry*)
	    *_pathToEntryMap;
	OFStream *_lastReturnedStream;
}

			encoding: OF_STRING_ENCODING_CODEPAGE_437] copy];

	if (_diskNumber == 0xFFFF ||
	    _centralDirectoryDisk == 0xFFFF ||
	    _centralDirectoryEntriesInDisk == 0xFFFF ||
	    _centralDirectoryEntries == 0xFFFF ||
	    _centralDirectorySize == 0xFFFFFFFF ||
	    _centralDirectoryOffset == -1) {
		int64_t offset64;
		uint64_t size;

		seekOrThrowInvalidFormat(_stream, offset - 20, SEEK_END);

		if ([_stream readLittleEndianInt32] != 0x07064B50) {
			objc_autoreleasePoolPop(pool);
			return;
		}

		/*
		 * FIXME: Handle number of the disk containing ZIP64 end of
		 * central directory record.
		 */
		[_stream readLittleEndianInt32];
		offset64 = [_stream readLittleEndianInt64];

		if (offset64 < 0 || (of_offset_t)offset64 != offset64)
			@throw [OFOutOfRangeException exception];

		seekOrThrowInvalidFormat(_stream,
		    (of_offset_t)offset64, SEEK_SET);

		if ([_stream readLittleEndianInt32] != 0x06064B50)
			@throw [OFInvalidFormatException exception];

		_centralDirectoryDisk = [_stream readLittleEndianInt32];
		_centralDirectoryEntriesInDisk =
		    [_stream readLittleEndianInt64];
		_centralDirectoryEntries = [_stream readLittleEndianInt64];
		_centralDirectorySize = [_stream readLittleEndianInt64];
		_centralDirectoryOffset = [_stream readLittleEndianInt64];

		if (_centralDirectoryOffset < 0 ||
		    (of_offset_t)_centralDirectoryOffset !=
		    _centralDirectoryOffset)
			@throw [OFOutOfRangeException exception];
	}

	objc_autoreleasePoolPop(pool);
}

- (void)OF_readEntries
{
	void *pool = objc_autoreleasePoolPush();

	if (_centralDirectoryOffset < 0 ||
	    (of_offset_t)_centralDirectoryOffset != _centralDirectoryOffset)
		@throw [OFOutOfRangeException exception];

	seekOrThrowInvalidFormat(_stream,
	    (of_offset_t)_centralDirectoryOffset, SEEK_SET);

	_entries = [[OFMutableArray alloc] init];
	_pathToEntryMap = [[OFMutableDictionary alloc] init];

}

- (OFStream*)streamForReadingFile: (OFString*)path
{
	void *pool = objc_autoreleasePoolPush();
	OFZIPArchiveEntry *entry = [_pathToEntryMap objectForKey: path];
	OFZIPArchive_LocalFileHeader *localFileHeader;
	int64_t offset64;

	if (entry == nil)
		@throw [OFOpenItemFailedException exceptionWithPath: path
							       mode: @"rb"
							      errNo: ENOENT];

	[_lastReturnedStream close];
	[_lastReturnedStream release];
	_lastReturnedStream = nil;

	offset64 = [entry OF_localFileHeaderOffset];
	if (offset64 < 0 || (of_offset_t)offset64 != offset64)
		@throw [OFOutOfRangeException exception];

	seekOrThrowInvalidFormat(_stream, (of_offset_t)offset64, SEEK_SET);
	localFileHeader = [[[OFZIPArchive_LocalFileHeader alloc]
	    initWithStream: _stream] autorelease];

	if (![localFileHeader matchesEntry: entry])

#import "OFZIPArchive.h"

OF_ASSUME_NONNULL_BEGIN

@interface OFZIPArchiveEntry ()
@property (readonly) uint16_t OF_lastModifiedFileTime, OF_lastModifiedFileDate;
@property (readonly) int64_t OF_localFileHeaderOffset;

- (instancetype)OF_initWithStream: (OFStream*)stream;
@end

OF_ASSUME_NONNULL_END

	uint64_t _compressedSize, _uncompressedSize;
	OFString *_fileName;
	OFDataArray *_extraField;
	OFString *_fileComment;
	uint32_t _startDiskNumber;
	uint16_t _internalAttributes;
	uint32_t _versionSpecificAttributes;
	int64_t _localFileHeaderOffset;
}

/*!
 * The file name of the entry.
 */
@property (readonly, copy) OFString *fileName;

		if (ZIP64 != NULL) {
			if (_uncompressedSize == 0xFFFFFFFF)
				_uncompressedSize = of_zip_archive_read_field64(
				    &ZIP64, &ZIP64Size);
			if (_compressedSize == 0xFFFFFFFF)
				_compressedSize = of_zip_archive_read_field64(
				    &ZIP64, &ZIP64Size);
			if (_localFileHeaderOffset == -1)
				_localFileHeaderOffset =
				    of_zip_archive_read_field64(&ZIP64,
				    &ZIP64Size);
			if (_startDiskNumber == 0xFFFF)
				_startDiskNumber = of_zip_archive_read_field32(
				    &ZIP64, &ZIP64Size);

protocol_conformsToProtocol(Protocol *a, Protocol *b)
{
	if (protocol_isEqual(a, b))
		return true;

	for (struct objc_protocol_list *pl = a->protocol_list;
	    pl != NULL; pl = pl->next)
		for (long i = 0; i < pl->count; i++)
			if (protocol_conformsToProtocol(pl->list[i], b))
				return true;

	return false;
}

bool