ObjFW  Check-in [83dc0fe6e5]

- (size_t)indexOfObject: (id)object
{
	id const *objects;
	size_t count;

	if (object == nil)
		return OF_NOT_FOUND;
		return OFNotFound;

	objects = _array.items;
	count = _array.count;

	for (size_t i = 0; i < count; i++)
		if ([objects[i] isEqual: object])
			return i;

	return OF_NOT_FOUND;
	return OFNotFound;
}

- (size_t)indexOfObjectIdenticalTo: (id)object
{
	id const *objects;
	size_t count;

	if (object == nil)
		return OF_NOT_FOUND;
		return OFNotFound;

	objects = _array.items;
	count = _array.count;

	for (size_t i = 0; i < count; i++)
		if (objects[i] == object)
			return i;

	return OF_NOT_FOUND;
	return OFNotFound;
}


- (OFArray *)objectsInRange: (OFRange)range
{
	if (range.length > SIZE_MAX - range.location ||
	    range.location + range.length > _array.count)

				 */
				if ([tmp hasPrefix: @"="]) {
					objc_autoreleasePoolPop(pool);
					continue;
				}

				pos = [tmp rangeOfString: @"="].location;
				if (pos == OF_NOT_FOUND) {
				if (pos == OFNotFound) {
					fprintf(stderr,
					    "Warning: Invalid environment "
					    "variable: %s\n", tmp.UTF8String);
					continue;
				}

				key = [tmp substringToIndex: pos];

				 */
				if ([tmp hasPrefix: @"="]) {
					objc_autoreleasePoolPop(pool);
					continue;
				}

				pos = [tmp rangeOfString: @"="].location;
				if (pos == OF_NOT_FOUND) {
				if (pos == OFNotFound) {
					fprintf(stderr,
					    "Warning: Invalid environment "
					    "variable: %s\n", tmp.UTF8String);
					continue;
				}

				key = [tmp substringToIndex: pos];

 * @param range The range to copy
 */
- (void)getObjects: (ObjectType __unsafe_unretained _Nonnull *_Nonnull)buffer
	   inRange: (OFRange)range;

/**
 * @brief Returns the index of the first object that is equivalent to the
 *	  specified object or `OF_NOT_FOUND` if it was not found.
 *	  specified object or `OFNotFound` if it was not found.
 *
 * @param object The object whose index is returned
 * @return The index of the first object equivalent to the specified object
 *	   or `OF_NOT_FOUND` if it was not found
 *	   or `OFNotFound` if it was not found
 */
- (size_t)indexOfObject: (ObjectType)object;

/**
 * @brief Returns the index of the first object that has the same address as the
 *	  specified object or `OF_NOT_FOUND` if it was not found.
 *	  specified object or `OFNotFound` if it was not found.
 *
 * @param object The object whose index is returned
 * @return The index of the first object that has the same address as
 *	   the specified object or `OF_NOT_FOUND` if it was not found
 *	   the specified object or `OFNotFound` if it was not found
 */
- (size_t)indexOfObjectIdenticalTo: (ObjectType)object;

/**
 * @brief Checks whether the array contains an object equal to the specified
 *	  object.
 *

}

- (size_t)indexOfObject: (id)object
{
	size_t i = 0;

	if (object == nil)
		return OF_NOT_FOUND;
		return OFNotFound;

	for (id objectIter in self) {
		if ([objectIter isEqual: object])
			return i;

		i++;
	}

	return OF_NOT_FOUND;
	return OFNotFound;
}

- (size_t)indexOfObjectIdenticalTo: (id)object
{
	size_t i = 0;

	if (object == nil)
		return OF_NOT_FOUND;
		return OFNotFound;

	for (id objectIter in self) {
		if (objectIter == object)
			return i;

		i++;
	}

	return OF_NOT_FOUND;
	return OFNotFound;
}

- (bool)containsObject: (id)object
{
	return ([self indexOfObject: object] != OF_NOT_FOUND);
	return ([self indexOfObject: object] != OFNotFound);
}

- (bool)containsObjectIdenticalTo: (id)object
{
	return ([self indexOfObjectIdenticalTo: object] != OF_NOT_FOUND);
	return ([self indexOfObjectIdenticalTo: object] != OFNotFound);
}

- (id)firstObject
{
	if (self.count > 0)
		return [self objectAtIndex: 0];

		 * We can't use that as local domain.
		 */
		return nil;
	} @catch (OFInvalidFormatException *e) {
		/* Not an IP address -> we can use it if it contains a dot. */
		size_t pos = [hostname rangeOfString: @"."].location;

		if (pos == OF_NOT_FOUND)
		if (pos == OFNotFound)
			return nil;

		return [hostname substringFromIndex: pos + 1];
	}
}
#endif

	while ((line = [file readLine]) != nil) {
		OFArray *components, *hosts;
		size_t pos;
		OFString *address;

		pos = [line rangeOfString: @"#"].location;
		if (pos != OF_NOT_FOUND)
		if (pos != OFNotFound)
			line = [line substringToIndex: pos];

		components = [line
		    componentsSeparatedByCharactersInSet: whitespaceCharacterSet
						 options: OF_STRING_SKIP_EMPTY];

		if (components.count < 2)

	while ((line = [file readLine]) != nil) {
		void *pool2 = objc_autoreleasePoolPush();
		size_t pos;
		OFArray *components, *arguments;
		OFString *option;

		pos = [line indexOfCharacterFromSet: commentCharacters];
		if (pos != OF_NOT_FOUND)
		if (pos != OFNotFound)
			line = [line substringToIndex: pos];

		components = [line
		    componentsSeparatedByCharactersInSet: whitespaceCharacterSet
						 options: OF_STRING_SKIP_EMPTY];

		if (components.count < 2) {

 * @param options Options modifying search behavior.@n
 *		  Possible values are:
 *		  Value                      | Description
 *		  ---------------------------|-----------------------------
 *		  `OF_DATA_SEARCH_BACKWARDS` | Search backwards in the data
 * @param range The range in which to search
 * @return The range of the first occurrence of the data or a range with
 *	   `OF_NOT_FOUND` as start position if it was not found.
 *	   `OFNotFound` as start position if it was not found.
 */
- (OFRange)rangeOfData: (OFData *)data
	       options: (int)options
		 range: (OFRange)range;

#ifdef OF_HAVE_FILES
/**

	if (data == nil || data.itemSize != _itemSize)
		@throw [OFInvalidArgumentException exception];

	if ((searchLength = data.count) == 0)
		return OFMakeRange(0, 0);

	if (searchLength > range.length)
		return OFMakeRange(OF_NOT_FOUND, 0);
		return OFMakeRange(OFNotFound, 0);

	search = data.items;

	if (options & OF_DATA_SEARCH_BACKWARDS) {
		for (size_t i = range.length - searchLength;; i--) {
			if (memcmp(_items + i * _itemSize, search,
			    searchLength * _itemSize) == 0)

		for (size_t i = range.location;
		    i <= range.length - searchLength; i++)
			if (memcmp(_items + i * _itemSize, search,
			    searchLength * _itemSize) == 0)
				return OFMakeRange(i, searchLength);
	}

	return OFMakeRange(OF_NOT_FOUND, 0);
	return OFMakeRange(OFNotFound, 0);
}

#ifdef OF_HAVE_FILES
- (void)writeToFile: (OFString *)path
{
	OFFile *file = [[OFFile alloc] initWithPath: path mode: @"w"];
	@try {

			@throw [OFInvalidServerReplyException exception];
		}

		if (line == nil)
			return 0;

		pos = [line rangeOfString: @";"].location;
		if (pos != OF_NOT_FOUND)
		if (pos != OFNotFound)
			line = [line substringToIndex: pos];

		if (line.length < 1) {
			/*
			 * We have read the empty string because the socket is
			 * at end of stream.
			 */
			if (_socket.atEndOfStream && pos == OF_NOT_FOUND)
			if (_socket.atEndOfStream && pos == OFNotFound)
				@throw [OFTruncatedDataException exception];
			else
				@throw [OFInvalidServerReplyException
				    exception];
		}

		@try {

		_HTTPMinorVersion = (uint8_t)(tmp - '0');
	} @catch (OFOutOfRangeException *e) {
		return [self sendErrorAndClose: 400];
	}

	pos = [line rangeOfString: @" "].location;
	if (pos == OF_NOT_FOUND)
	if (pos == OFNotFound)
		return [self sendErrorAndClose: 400];

	method = [line substringToIndex: pos];
	@try {
		_method = of_http_request_method_from_string(method);
	} @catch (OFInvalidArgumentException *e) {
		return [self sendErrorAndClose: 405];

		_state = SEND_RESPONSE;
		[self createResponse];

		return false;
	}

	pos = [line rangeOfString: @":"].location;
	if (pos == OF_NOT_FOUND)
	if (pos == OFNotFound)
		return [self sendErrorAndClose: 400];

	key = [line substringToIndex: pos];
	value = [line substringFromIndex: pos + 1];

	key = normalizedKey(key.stringByDeletingTrailingWhitespaces);
	value = value.stringByDeletingLeadingWhitespaces;

	old = [_headers objectForKey: key];
	if (old != nil)
		value = [old stringByAppendingFormat: @",%@", value];

	[_headers setObject: value forKey: key];

	if ([key isEqual: @"Host"]) {
		pos = [value
		    rangeOfString: @":"
			  options: OF_STRING_SEARCH_BACKWARDS].location;

		if (pos != OF_NOT_FOUND) {
		if (pos != OFNotFound) {
			[_host release];
			_host = [[value substringToIndex: pos] retain];

			@try {
				unsigned long long portTmp =
				    [value substringFromIndex: pos + 1]
				    .unsignedLongLongValue;

	URL = [OFMutableURL URL];
	URL.scheme = @"http";
	URL.host = _host;
	if (_port != 80)
		URL.port = [OFNumber numberWithUnsignedShort: _port];

	if ((pos = [_path rangeOfString: @"?"].location) != OF_NOT_FOUND) {
	if ((pos = [_path rangeOfString: @"?"].location) != OFNotFound) {
		OFString *path, *query;

		path = [_path substringToIndex: pos];
		query = [_path substringFromIndex: pos + 1];

		URL.URLEncodedPath = path;
		URL.URLEncodedQuery = query;

			@throw [OFInvalidFormatException exception];
		}

		if (line == nil)
			return 0;

		pos = [line rangeOfString: @";"].location;
		if (pos != OF_NOT_FOUND)
		if (pos != OFNotFound)
			line = [line substringToIndex: pos];

		if (line.length < 1) {
			/*
			 * We have read the empty string because the socket is
			 * at end of stream.
			 */
			if (_socket.atEndOfStream && pos == OF_NOT_FOUND)
			if (_socket.atEndOfStream && pos == OFNotFound)
				@throw [OFTruncatedDataException exception];
			else
				@throw [OFInvalidFormatException exception];
		}

		toRead = [line unsignedLongLongValueWithBase: 16];
		if (toRead > LLONG_MAX)

{
	if (![line hasPrefix: @";"]) {
		OFINICategoryPair *pair =
		    [[[OFINICategoryPair alloc] init] autorelease];
		OFString *key, *value;
		size_t pos;

		if ((pos = [line rangeOfString: @"="].location) == OF_NOT_FOUND)
		if ((pos = [line rangeOfString: @"="].location) == OFNotFound)
			@throw [OFInvalidFormatException exception];

		key = unescapeString([line substringToIndex: pos]
		    .stringByDeletingEnclosingWhitespaces);
		value = unescapeString([line substringFromIndex: pos + 1]
		    .stringByDeletingEnclosingWhitespaces);

- (void)of_getCategory: (OFString **)category
		andKey: (OFString **)key
	       forPath: (OFString *)path OF_DIRECT
{
	size_t pos = [path rangeOfString: @"."
				 options: OF_STRING_SEARCH_BACKWARDS].location;

	if (pos == OF_NOT_FOUND) {
	if (pos == OFNotFound) {
		*category = @"";
		*key = path;
		return;
	}

	*category = [path substringToIndex: pos];
	*key = [path substringFromIndex: pos + 1];

		return false;

	if (!OFEqualSizes(rect1.size, rect2.size))
		return false;

	return true;
}

static const size_t OFNotFound = SIZE_MAX;

#ifdef __OBJC__
@class OFMethodSignature;
@class OFString;
@class OFThread;

/**

			size_t pos;
			of_options_parser_option_t *option;

			_lastOption = '-';
			_index++;

			if ((pos = [argument rangeOfString: @"="].location) !=
			    OF_NOT_FOUND)
			    OFNotFound)
				_argument = [[argument
				    substringFromIndex: pos + 1] copy];
			else
				pos = argument.length;

			_lastLongOption = [[argument substringWithRange:
			    OFMakeRange(2, pos - 2)] copy];

- (void)getCharacters: (of_unichar_t *)buffer inRange: (OFRange)range;

/**
 * @brief Returns the range of the first occurrence of the string.
 *
 * @param string The string to search
 * @return The range of the first occurrence of the string or a range with
 *	   `OF_NOT_FOUND` as start position if it was not found
 *	   `OFNotFound` as start position if it was not found
 */
- (OFRange)rangeOfString: (OFString *)string;

/**
 * @brief Returns the range of the string.
 *
 * @param string The string to search
 * @param options Options modifying search behavior.@n
 *		  Possible values are:
 *		  Value                        | Description
 *		  -----------------------------|-------------------------------
 *		  `OF_STRING_SEARCH_BACKWARDS` | Search backwards in the string
 * @return The range of the first occurrence of the string or a range with
 *	   `OF_NOT_FOUND` as start position if it was not found
 *	   `OFNotFound` as start position if it was not found
 */
- (OFRange)rangeOfString: (OFString *)string options: (int)options;

/**
 * @brief Returns the range of the string in the specified range.
 *
 * @param string The string to search
 * @param options Options modifying search behaviour.@n
 *		  Possible values are:
 *		  Value                        | Description
 *		  -----------------------------|-------------------------------
 *		  `OF_STRING_SEARCH_BACKWARDS` | Search backwards in the string
 * @param range The range in which to search
 * @return The range of the first occurrence of the string or a range with
 *	   `OF_NOT_FOUND` as start position if it was not found
 *	   `OFNotFound` as start position if it was not found
 */
- (OFRange)rangeOfString: (OFString *)string
		 options: (int)options
		   range: (OFRange)range;

/**
 * @brief Returns the index of the first character from the set.
 *
 * @param characterSet The set of characters to search for
 * @return The index of the first occurrence of a character from the set or
 *	   `OF_NOT_FOUND` if it was not found
 *	   `OFNotFound` if it was not found
 */
- (size_t)indexOfCharacterFromSet: (OFCharacterSet *)characterSet;

/**
 * @brief Returns the index of the first character from the set.
 *
 * @param characterSet The set of characters to search for
 * @param options Options modifying search behaviour.@n
 *		  Possible values are:
 *		  Value                        | Description
 *		  -----------------------------|-------------------------------
 *		  `OF_STRING_SEARCH_BACKWARDS` | Search backwards in the string
 * @return The index of the first occurrence of a character from the set or
 *	   `OF_NOT_FOUND` if it was not found
 *	   `OFNotFound` if it was not found
 */
- (size_t)indexOfCharacterFromSet: (OFCharacterSet *)characterSet
			  options: (int)options;

/**
 * @brief Returns the index of the first character from the set.
 *
 * @param characterSet The set of characters to search for
 * @param options Options modifying search behaviour.@n
 *		  Possible values are:
 *		  Value                        | Description
 *		  -----------------------------|-------------------------------
 *		  `OF_STRING_SEARCH_BACKWARDS` | Search backwards in the string
 * @param range The range in which to search
 * @return The index of the first occurrence of a character from the set or
 *	   `OF_NOT_FOUND` if it was not found
 *	   `OFNotFound` if it was not found
 */
- (size_t)indexOfCharacterFromSet: (OFCharacterSet *)characterSet
			  options: (int)options
			    range: (OFRange)range;

/**
 * @brief Returns whether the string contains the specified string.

	of_unichar_t *characters;
	size_t searchLength;

	if ((searchLength = string.length) == 0)
		return OFMakeRange(0, 0);

	if (searchLength > range.length)
		return OFMakeRange(OF_NOT_FOUND, 0);
		return OFMakeRange(OFNotFound, 0);

	if (range.length > SIZE_MAX / sizeof(of_unichar_t))
		@throw [OFOutOfRangeException exception];

	pool = objc_autoreleasePoolPush();

	searchCharacters = string.characters;

		}
	} @finally {
		free(characters);
	}

	objc_autoreleasePoolPop(pool);

	return OFMakeRange(OF_NOT_FOUND, 0);
	return OFMakeRange(OFNotFound, 0);
}

- (size_t)indexOfCharacterFromSet: (OFCharacterSet *)characterSet
{
	return [self indexOfCharacterFromSet: characterSet
				     options: 0
				       range: OFMakeRange(0, self.length)];

{
	bool (*characterIsMember)(id, SEL, of_unichar_t) =
	    (bool (*)(id, SEL, of_unichar_t))[characterSet
	    methodForSelector: @selector(characterIsMember:)];
	of_unichar_t *characters;

	if (range.length == 0)
		return OF_NOT_FOUND;
		return OFNotFound;

	if (range.length > SIZE_MAX / sizeof(of_unichar_t))
		@throw [OFOutOfRangeException exception];

	characters = of_alloc(range.length, sizeof(of_unichar_t));
	@try {
		[self getCharacters: characters inRange: range];

				    characters[i]))
					return range.location + i;
		}
	} @finally {
		free(characters);
	}

	return OF_NOT_FOUND;
	return OFNotFound;
}

- (bool)containsString: (OFString *)string
{
	void *pool;
	const of_unichar_t *characters, *searchCharacters;
	size_t length, searchLength;

}

- (size_t)indexOfObject: (id)object
{
	size_t idx = [_array indexOfObject: object];

	if (idx < _range.location)
		return OF_NOT_FOUND;
		return OFNotFound;

	idx -= _range.location;

	if (idx >= _range.length)
		return OF_NOT_FOUND;
		return OFNotFound;

	return idx;
}

- (size_t)indexOfObjectIdenticalTo: (id)object
{
	size_t idx = [_array indexOfObjectIdenticalTo: object];

	if (idx < _range.location)
		return OF_NOT_FOUND;
		return OFNotFound;

	idx -= _range.location;

	if (idx >= _range.length)
		return OF_NOT_FOUND;
		return OFNotFound;

	return idx;
}

- (OFArray *)objectsInRange: (OFRange)range
{
	if (range.length > SIZE_MAX - range.location ||

of_url_verify_escaped(OFString *string, OFCharacterSet *characterSet)
{
	void *pool = objc_autoreleasePoolPush();

	characterSet = [[[OFInvertedCharacterSetWithoutPercent alloc]
	    initWithCharacterSet: characterSet] autorelease];

	if ([string indexOfCharacterFromSet: characterSet] != OF_NOT_FOUND)
	if ([string indexOfCharacterFromSet: characterSet] != OFNotFound)
		@throw [OFInvalidFormatException exception];

	objc_autoreleasePoolPop(pool);
}

@implementation OFCharacterSet (URLCharacterSets)
+ (OFCharacterSet *)URLSchemeAllowedCharacterSet

				    (URL->_URLEncodedPath != nil
				    ? URL->_URLEncodedPath
				    : @"/")];
				OFRange range = [path
				    rangeOfString: @"/"
					  options: OF_STRING_SEARCH_BACKWARDS];

				if (range.location == OF_NOT_FOUND)
				if (range.location == OFNotFound)
					@throw [OFInvalidFormatException
					    exception];

				range.location++;
				range.length = path.length - range.location;

				[path replaceCharactersInRange: range

		rangeLength = range.length;
	}

	if (cStringLength == 0)
		return OFMakeRange(0, 0);

	if (cStringLength > rangeLength)
		return OFMakeRange(OF_NOT_FOUND, 0);
		return OFMakeRange(OFNotFound, 0);

	if (options & OF_STRING_SEARCH_BACKWARDS) {
		for (size_t i = rangeLength - cStringLength;; i--) {
			if (memcmp(_s->cString + rangeLocation + i, cString,
			    cStringLength) == 0) {
				range.location += of_string_utf8_get_index(
				    _s->cString + rangeLocation, i);
				range.length = string.length;

				return range;
			}

			/* Did not match and we're at the last char */
			if (i == 0)
				return OFMakeRange(OF_NOT_FOUND, 0);
				return OFMakeRange(OFNotFound, 0);
		}
	} else {
		for (size_t i = 0; i <= rangeLength - cStringLength; i++) {
			if (memcmp(_s->cString + rangeLocation + i, cString,
			    cStringLength) == 0) {
				range.location += of_string_utf8_get_index(
				    _s->cString + rangeLocation, i);
				range.length = string.length;

				return range;
			}
		}
	}

	return OFMakeRange(OF_NOT_FOUND, 0);
	return OFMakeRange(OFNotFound, 0);
}

- (bool)containsString: (OFString *)string
{
	const char *cString = string.UTF8String;
	size_t cStringLength = string.UTF8StringLength;

		appendToBuffer(self->_buffer, self->_data + self->_last,
		    self->_encoding, self->_i - self->_last);
		PI = transformString(self, self->_buffer, 1, false);

		whitespaceCS = [OFCharacterSet
		    characterSetWithCharactersInString: @" \r\n\r"];
		pos = [PI indexOfCharacterFromSet: whitespaceCS];
		if (pos != OF_NOT_FOUND) {
		if (pos != OFNotFound) {
			target = [PI substringToIndex: pos];
			data = [[PI substringFromIndex: pos + 1]
			    stringByDeletingEnclosingWhitespaces];

			if (data.length == 0)
				data = nil;
		} else

		if (extraFieldLength > 0)
			extraField = [[[stream readDataWithCount:
			    extraFieldLength] mutableCopy] autorelease];

		ZIP64Index = of_zip_archive_entry_extra_field_find(extraField,
		    OF_ZIP_ARCHIVE_ENTRY_EXTRA_FIELD_ZIP64, &ZIP64Size);

		if (ZIP64Index != OF_NOT_FOUND) {
		if (ZIP64Index != OFNotFound) {
			const uint8_t *ZIP64 =
			    [extraField itemAtIndex: ZIP64Index];
			OFRange range =
			    OFMakeRange(ZIP64Index - 4, ZIP64Size + 4);

			if (_uncompressedSize == 0xFFFFFFFF)
				_uncompressedSize = of_zip_archive_read_field64(

 *	  specified tag.
 *
 * @param extraField The extra field to search for an extensible data field with
 *		     the specified tag
 * @param tag The tag to look for
 * @param size A pointer to an uint16_t that should be set to the size
 * @return The index at which the extra field content starts in the OFData, or
 *	   OF_NOT_FOUND
 *	   `OFNotFound`
 */
extern size_t of_zip_archive_entry_extra_field_find(OFData *extraField,
    uint16_t tag, uint16_t *size);
#ifdef __cplusplus
}
#endif

OF_ASSUME_NONNULL_END

#import "OFMutableZIPArchiveEntry.h"

			return i + 4;
		}

		i += 4 + currentSize;
	}

	*size = 0;
	return OF_NOT_FOUND;
	return OFNotFound;
}

@implementation OFZIPArchiveEntry
+ (instancetype)entryWithFileName: (OFString *)fileName
{
	return [[[self alloc] initWithFileName: fileName] autorelease];
}

			_fileComment = [[stream
			    readStringWithLength: fileCommentLength
					encoding: encoding] copy];

		ZIP64Index = of_zip_archive_entry_extra_field_find(extraField,
		    OF_ZIP_ARCHIVE_ENTRY_EXTRA_FIELD_ZIP64, &ZIP64Size);

		if (ZIP64Index != OF_NOT_FOUND) {
		if (ZIP64Index != OFNotFound) {
			const uint8_t *ZIP64 =
			    [extraField itemAtIndex: ZIP64Index];
			OFRange range =
			    OFMakeRange(ZIP64Index - 4, ZIP64Size + 4);

			if (_uncompressedSize == 0xFFFFFFFF)
				_uncompressedSize = of_zip_archive_read_field64(

#    define OF_HAVE_FORWARDING_TARGET_FOR_SELECTOR_STRET
#   endif
#  endif
# endif
#endif

#define OF_RETAIN_COUNT_MAX UINT_MAX
#define OF_NOT_FOUND SIZE_MAX

#ifdef OBJC_COMPILING_RUNTIME
# define OF_ENSURE(cond)						\
	do {								\
		if OF_UNLIKELY (!(cond))				\
			objc_error("ObjFWRT @ " __FILE__ ":"		\
			    OF_STRINGIFY(__LINE__),			\

	void *pool = objc_autoreleasePoolPush();
	OFString *ret, *fileName;
	size_t pos;

	fileName = self.lastPathComponent;
	pos = [fileName rangeOfString: @"."
			      options: OF_STRING_SEARCH_BACKWARDS].location;
	if (pos == OF_NOT_FOUND || pos == 0) {
	if (pos == OFNotFound || pos == 0) {
		objc_autoreleasePoolPop(pool);
		return @"";
	}

	ret = [fileName substringFromIndex: pos + 1];

	[ret retain];

	pool = objc_autoreleasePoolPush();
	components = [[self.pathComponents mutableCopy] autorelease];
	fileName = components.lastObject;

	pos = [fileName rangeOfString: @"."
			      options: OF_STRING_SEARCH_BACKWARDS].location;
	if (pos == OF_NOT_FOUND || pos == 0) {
	if (pos == OFNotFound || pos == 0) {
		objc_autoreleasePoolPop(pool);
		return [[self copy] autorelease];
	}

	fileName = [fileName substringToIndex: pos];
	[components replaceObjectAtIndex: components.count - 1
			      withObject: fileName];

	void *pool = objc_autoreleasePoolPush();
	OFString *ret, *fileName;
	size_t pos;

	fileName = self.lastPathComponent;
	pos = [fileName rangeOfString: @"."
			      options: OF_STRING_SEARCH_BACKWARDS].location;
	if (pos == OF_NOT_FOUND || pos == 0) {
	if (pos == OFNotFound || pos == 0) {
		objc_autoreleasePoolPop(pool);
		return @"";
	}

	ret = [fileName substringFromIndex: pos + 1];

	[ret retain];

	pool = objc_autoreleasePoolPush();
	components = [[self.pathComponents mutableCopy] autorelease];
	fileName = components.lastObject;

	pos = [fileName rangeOfString: @"."
			      options: OF_STRING_SEARCH_BACKWARDS].location;
	if (pos == OF_NOT_FOUND || pos == 0) {
	if (pos == OFNotFound || pos == 0) {
		objc_autoreleasePoolPop(pool);
		return [[self copy] autorelease];
	}

	fileName = [fileName substringToIndex: pos];
	[components replaceObjectAtIndex: components.count - 1
			      withObject: fileName];

	void *pool = objc_autoreleasePoolPush();
	OFString *ret, *fileName;
	size_t pos;

	fileName = self.lastPathComponent;
	pos = [fileName rangeOfString: @"."
			      options: OF_STRING_SEARCH_BACKWARDS].location;
	if (pos == OF_NOT_FOUND || pos == 0) {
	if (pos == OFNotFound || pos == 0) {
		objc_autoreleasePoolPop(pool);
		return @"";
	}

	ret = [fileName substringFromIndex: pos + 1];

	[ret retain];

	pool = objc_autoreleasePoolPush();
	components = [[self.pathComponents mutableCopy] autorelease];
	fileName = components.lastObject;

	pos = [fileName rangeOfString: @"."
			      options: OF_STRING_SEARCH_BACKWARDS].location;
	if (pos == OF_NOT_FOUND || pos == 0) {
	if (pos == OFNotFound || pos == 0) {
		objc_autoreleasePoolPop(pool);
		return [[self copy] autorelease];
	}

	fileName = [fileName substringToIndex: pos];
	[components replaceObjectAtIndex: [components count] - 1
			      withObject: fileName];

	void *pool = objc_autoreleasePoolPush();
	OFString *ret, *fileName;
	size_t pos;

	fileName = self.lastPathComponent;
	pos = [fileName rangeOfString: @"."
			      options: OF_STRING_SEARCH_BACKWARDS].location;
	if (pos == OF_NOT_FOUND || pos == 0) {
	if (pos == OFNotFound || pos == 0) {
		objc_autoreleasePoolPop(pool);
		return @"";
	}

	ret = [fileName substringFromIndex: pos + 1];

	[ret retain];

	pool = objc_autoreleasePoolPush();
	components = [[self.pathComponents mutableCopy] autorelease];
	fileName = components.lastObject;

	pos = [fileName rangeOfString: @"."
			      options: OF_STRING_SEARCH_BACKWARDS].location;
	if (pos == OF_NOT_FOUND || pos == 0) {
	if (pos == OFNotFound || pos == 0) {
		objc_autoreleasePoolPop(pool);
		return [[self copy] autorelease];
	}

	fileName = [fileName substringToIndex: pos];
	[components replaceObjectAtIndex: components.count - 1
			      withObject: fileName];

	for (OFString *component in components) {
		unsigned long long number;

		if (component.length == 0)
			@throw [OFInvalidFormatException exception];

		if ([component indexOfCharacterFromSet:
		    whitespaceCharacterSet] != OF_NOT_FOUND)
		    whitespaceCharacterSet] != OFNotFound)
			@throw [OFInvalidFormatException exception];

		number = component.unsignedLongLongValue;

		if (number > UINT8_MAX)
			@throw [OFInvalidFormatException exception];

static uint16_t
parseIPv6Component(OFString *component)
{
	unsigned long long number;

	if ([component indexOfCharacterFromSet:
	    [OFCharacterSet whitespaceCharacterSet]] != OF_NOT_FOUND)
	    [OFCharacterSet whitespaceCharacterSet]] != OFNotFound)
		@throw [OFInvalidFormatException exception];

	number = [component unsignedLongLongValueWithBase: 16];

	if (number > UINT16_MAX)
		@throw [OFInvalidFormatException exception];

#else
	addrIn6->sin6_family = AF_UNSPEC;
#endif
	addrIn6->sin6_port = OF_BSWAP16_IF_LE(port);

	doubleColon = [IPv6 rangeOfString: @"::"].location;

	if (doubleColon != OF_NOT_FOUND) {
	if (doubleColon != OFNotFound) {
		OFString *left = [IPv6 substringToIndex: doubleColon];
		OFString *right = [IPv6 substringFromIndex: doubleColon + 2];
		OFArray OF_GENERIC(OFString *) *leftComponents;
		OFArray OF_GENERIC(OFString *) *rightComponents;
		size_t i;

		if ([right hasPrefix: @":"] || [right containsString: @"::"])

	    R(([s[0] appendFormat: @"%02X", 15])) &&
	    [s[0] isEqual: @"test:1230F"])

	TEST(@"-[rangeOfString:]",
	    [C(@"𝄞öö") rangeOfString: @"öö"].location == 1 &&
	    [C(@"𝄞öö") rangeOfString: @"ö"].location == 1 &&
	    [C(@"𝄞öö") rangeOfString: @"𝄞"].location == 0 &&
	    [C(@"𝄞öö") rangeOfString: @"x"].location == OF_NOT_FOUND &&
	    [C(@"𝄞öö") rangeOfString: @"x"].location == OFNotFound &&
	    [C(@"𝄞öö") rangeOfString: @"öö"
	    options: OF_STRING_SEARCH_BACKWARDS].location == 1 &&
	    [C(@"𝄞öö") rangeOfString: @"ö"
	    options: OF_STRING_SEARCH_BACKWARDS].location == 2 &&
	    [C(@"𝄞öö") rangeOfString: @"𝄞"
	    options: OF_STRING_SEARCH_BACKWARDS].location == 0 &&
	    [C(@"𝄞öö") rangeOfString: @"x"
	    options: OF_STRING_SEARCH_BACKWARDS].location == OF_NOT_FOUND)
	    options: OF_STRING_SEARCH_BACKWARDS].location == OFNotFound)

	EXPECT_EXCEPTION(
	    @"Detect out of range in -[rangeOfString:options:range:]",
	    OFOutOfRangeException,
	    [C(@"𝄞öö") rangeOfString: @"ö" options: 0 range: OFMakeRange(3, 1)])

	cs = [OFCharacterSet characterSetWithCharactersInString: @"cđ"];
	TEST(@"-[indexOfCharacterFromSet:]",
	     [C(@"abcđabcđe") indexOfCharacterFromSet: cs] == 2 &&
	     [C(@"abcđabcđë")
	     indexOfCharacterFromSet: cs
			     options: OF_STRING_SEARCH_BACKWARDS] == 7 &&
	     [C(@"abcđabcđë")
	     indexOfCharacterFromSet: cs
			     options: 0
			       range: OFMakeRange(4, 4)] == 6 &&
	     [C(@"abcđabcđëf")
	     indexOfCharacterFromSet: cs
			     options: 0
			       range: OFMakeRange(8, 2)] == OF_NOT_FOUND)
			       range: OFMakeRange(8, 2)] == OFNotFound)

	EXPECT_EXCEPTION(
	    @"Detect out of range in -[indexOfCharacterFromSet:options:range:]",
	    OFOutOfRangeException,
	    [C(@"𝄞öö") indexOfCharacterFromSet: cs
				       options: 0
					 range: OFMakeRange(3, 1)])

}

- (void)addHeader: (OFString *)header
{
	size_t pos = [header rangeOfString: @":"].location;
	OFString *name, *value;

	if (pos == OF_NOT_FOUND) {
	if (pos == OFNotFound) {
		[of_stderr writeLine: OF_LOCALIZED(@"invalid_input_header",
		    @"%[prog]: Headers must to be in format name:value!",
		    @"prog", [OFApplication programName])];
		[OFApplication terminateWithStatus: 1];
	}

	name = [header substringToIndex: pos]

	@try {
		size_t pos = [proxy
		    rangeOfString: @":"
			  options: OF_STRING_SEARCH_BACKWARDS].location;
		OFString *host;
		unsigned long long port;

		if (pos == OF_NOT_FOUND)
		if (pos == OFNotFound)
			@throw [OFInvalidFormatException exception];

		host = [proxy substringToIndex: pos];
		port = [proxy substringFromIndex: pos + 1]
		    .unsignedLongLongValue;

		if (port > UINT16_MAX)