ObjFW  Check-in [e54c8c0368]

		FreeEnvironmentStringsW(env);
#elif !defined(OF_IOS)
		if (env != NULL) {
			for (; *env != NULL; env++) {
				OFString *key, *value;
				char *sep;
				const of_string_encoding_t encoding =
				    [OFString nativeOSEncoding];

				pool = objc_autoreleasePoolPush();

				if ((sep = strchr(*env, '=')) == NULL) {
					fprintf(stderr, "Warning: Invalid "
					    "environment variable: %s\n", *env);
					continue;

- (void)OF_setArgumentCount: (int*)argc
	  andArgumentValues: (char***)argv
{
#ifndef _WIN32
	void *pool = objc_autoreleasePoolPush();
	OFMutableArray *arguments;
	int i;
	of_string_encoding_t encoding;

	_argc = argc;
	_argv = argv;

	encoding = [OFString nativeOSEncoding];

	_programName = [[OFString alloc] initWithCString: (*argv)[0]
						encoding: encoding];
	arguments = [[OFMutableArray alloc] init];

	for (i = 1; i < *argc; i++)

		[arguments addObject: [OFString stringWithCString: (*argv)[i]
							 encoding: encoding]];

	[arguments makeImmutable];
	_arguments = arguments;

	objc_autoreleasePoolPop(pool);
#else
	_argc = argc;

int
of_stat(OFString *path, of_stat_t *buffer)
{
#ifdef _WIN32
	return _wstat([path UTF16String], buffer);
#else
	return stat([path cStringWithEncoding: [OFString nativeOSEncoding]],
	    buffer);
#endif
}

int
of_lstat(OFString *path, of_stat_t *buffer)
{
#if defined(_WIN32)
	return _wstat([path UTF16String], buffer);
#elif defined(HAVE_LSTAT)
	return lstat([path cStringWithEncoding: [OFString nativeOSEncoding]],
	    buffer);
#else
	return stat([path cStringWithEncoding: [OFString nativeOSEncoding]],
	    buffer);
#endif
}

static int
parseMode(const char *mode)
{

#else
	wchar_t *buffer = _wgetcwd(NULL, 0);
#endif

	@try {
#ifndef _WIN32
		ret = [OFString stringWithCString: buffer
					 encoding: [OFString nativeOSEncoding]];
#else
		ret = [OFString stringWithUTF16String: buffer];
#endif
	} @finally {
		free(buffer);
	}

+ (void)createDirectoryAtPath: (OFString*)path
{
	if (path == nil)
		@throw [OFInvalidArgumentException exception];

#ifndef _WIN32
	if (mkdir([path cStringWithEncoding: [OFString nativeOSEncoding]],
	    DIR_MODE))
#else
	if (_wmkdir([path UTF16String]))
#endif
		@throw [OFCreateDirectoryFailedException
		    exceptionWithPath: path];
}

	objc_autoreleasePoolPop(pool);
}

+ (OFArray*)contentsOfDirectoryAtPath: (OFString*)path
{
	OFMutableArray *files;
	of_string_encoding_t encoding;

	if (path == nil)
		@throw [OFInvalidArgumentException exception];

	files = [OFMutableArray array];
	encoding = [OFString nativeOSEncoding];

#ifndef _WIN32
	DIR *dir;
	struct dirent *dirent;

	if ((dir = opendir([path cStringWithEncoding: encoding])) == NULL)

		@throw [OFOpenFileFailedException exceptionWithPath: path
							       mode: @"r"];

	@try {
		while ((dirent = readdir(dir)) != NULL) {
			void *pool = objc_autoreleasePoolPush();
			OFString *file;

			if (!strcmp(dirent->d_name, ".") ||
			    !strcmp(dirent->d_name, ".."))
				continue;


			file = [OFString stringWithCString: dirent->d_name
						  encoding: encoding];
			[files addObject: file];

			objc_autoreleasePoolPop(pool);
		}
	} @finally {
		closedir(dir);
	}

+ (void)changeCurrentDirectoryPath: (OFString*)path
{
	if (path == nil)
		@throw [OFInvalidArgumentException exception];

#ifndef _WIN32
	if (chdir([path cStringWithEncoding: [OFString nativeOSEncoding]]))
#else
	if (_wchdir([path UTF16String]))
#endif
		@throw [OFChangeCurrentDirectoryPathFailedException
		    exceptionWithPath: path];
}

+ (void)changePermissionsOfItemAtPath: (OFString*)path
			  permissions: (mode_t)permissions
{
	if (path == nil)
		@throw [OFInvalidArgumentException exception];

# ifndef _WIN32
	if (chmod([path cStringWithEncoding: [OFString nativeOSEncoding]],
	    permissions))
# else
	if (_wchmod([path UTF16String], permissions))
# endif
		@throw [OFChangePermissionsFailedException
		    exceptionWithPath: path
			  permissions: permissions];
}
#endif

#ifdef OF_HAVE_CHOWN
+ (void)changeOwnerOfItemAtPath: (OFString*)path
			  owner: (OFString*)owner
			  group: (OFString*)group
{
	uid_t uid = -1;
	gid_t gid = -1;
	of_string_encoding_t encoding;

	if (path == nil || (owner == nil && group == nil))
		@throw [OFInvalidArgumentException exception];

	encoding = [OFString nativeOSEncoding];

# ifdef OF_HAVE_THREADS
	if (!of_mutex_lock(&mutex))
		@throw [OFLockFailedException exception];

	@try {
# endif
		if (owner != nil) {
			struct passwd *passwd;

			if ((passwd = getpwnam([owner
			    cStringWithEncoding: encoding])) == NULL)
				@throw [OFChangeOwnerFailedException
				    exceptionWithPath: path
						owner: owner
						group: group];

			uid = passwd->pw_uid;
		}

		if (group != nil) {
			struct group *group_;

			if ((group_ = getgrnam([group
			    cStringWithEncoding: encoding])) == NULL)
				@throw [OFChangeOwnerFailedException
				    exceptionWithPath: path
						owner: owner
						group: group];

			gid = group_->gr_gid;
		}
# ifdef OF_HAVE_THREADS
	} @finally {
		if (!of_mutex_unlock(&mutex))
			@throw [OFUnlockFailedException exception];
	}
# endif

	if (chown([path cStringWithEncoding: encoding], uid, gid))

		@throw [OFChangeOwnerFailedException exceptionWithPath: path
								 owner: owner
								 group: group];
}
#endif

+ (void)copyItemAtPath: (OFString*)source

}

+ (void)moveItemAtPath: (OFString*)source
		toPath: (OFString*)destination
{
	void *pool;
	of_stat_t s;
	of_string_encoding_t encoding;

	if (source == nil || destination == nil)
		@throw [OFInvalidArgumentException exception];

	pool = objc_autoreleasePoolPush();

	if (of_lstat(destination, &s) == 0) {
		errno = EEXIST;
		@throw [OFCopyItemFailedException
		    exceptionWithSourcePath: source
			    destinationPath: destination];
	}

	encoding = [OFString nativeOSEncoding];

#ifndef _WIN32
	if (rename([source cStringWithEncoding: encoding],
	    [destination cStringWithEncoding: encoding])) {
#else
	if (_wrename([source UTF16String], [destination UTF16String])) {
#endif
		if (errno != EXDEV)
			@throw [OFMoveItemFailedException
			    exceptionWithSourcePath: source
				    destinationPath: destination];

			    [path stringByAppendingPathComponent: item]];

			objc_autoreleasePoolPop(pool2);
		}
	}

#ifndef _WIN32
	if (remove([path cStringWithEncoding: [OFString nativeOSEncoding]]))
#else
	if (_wremove([path UTF16String]))
#endif
		@throw [OFRemoveItemFailedException exceptionWithPath: path];

	objc_autoreleasePoolPop(pool);
}

#ifdef OF_HAVE_LINK
+ (void)linkItemAtPath: (OFString*)source
		toPath: (OFString*)destination
{
	void *pool;
	of_string_encoding_t encoding;

	if (source == nil || destination == nil)
		@throw [OFInvalidArgumentException exception];

	pool = objc_autoreleasePoolPush();
	encoding = [OFString nativeOSEncoding];

	if (link([source cStringWithEncoding: encoding],
	    [destination cStringWithEncoding: encoding]) != 0)
		@throw [OFLinkFailedException
		    exceptionWithSourcePath: source
			    destinationPath: destination];

	objc_autoreleasePoolPop(pool);
}
#endif

#ifdef OF_HAVE_SYMLINK
+ (void)createSymbolicLinkAtPath: (OFString*)destination
	     withDestinationPath: (OFString*)source
{
	void *pool;
	of_string_encoding_t encoding;

	if (source == nil || destination == nil)
		@throw [OFInvalidArgumentException exception];

	pool = objc_autoreleasePoolPush();
	encoding = [OFString nativeOSEncoding];

	if (symlink([source cStringWithEncoding: encoding],
	    [destination cStringWithEncoding: encoding]) != 0)
		@throw [OFCreateSymbolicLinkFailedException
		    exceptionWithSourcePath: source
			    destinationPath: destination];

	objc_autoreleasePoolPop(pool);
}

+ (OFString*)destinationOfSymbolicLinkAtPath: (OFString*)path
{
	char destination[PATH_MAX];
	ssize_t length;
	of_string_encoding_t encoding;

	if (path == nil)
		@throw [OFInvalidArgumentException exception];

	encoding = [OFString nativeOSEncoding];
	length = readlink([path cStringWithEncoding: encoding],
	    destination, PATH_MAX);

	if (length < 0)
		@throw [OFOpenFileFailedException exceptionWithPath: path
							       mode: @"r"];

	return [OFString stringWithCString: destination
				  encoding: encoding
				    length: length];
}
#endif

- init
{
	OF_INVALID_INIT_METHOD

		int flags;

		if ((flags = parseMode([mode UTF8String])) == -1)
			@throw [OFInvalidArgumentException exception];

#ifndef _WIN32
		if ((_fd = open([path cStringWithEncoding:
		    [OFString nativeOSEncoding]], flags, DEFAULT_MODE)) == -1)
#else
		if ((_fd = _wopen([path UTF16String], flags,
		    DEFAULT_MODE)) == -1)
#endif
			@throw [OFOpenFileFailedException
			    exceptionWithPath: path
					 mode: mode];

static void
uncaughtExceptionHandler(id exception)
{
	OFString *description = [exception description];
	OFArray *backtrace = nil;

	fprintf(stderr, "\nRuntime error: Unhandled exception:\n%s\n",
	    [description cStringWithEncoding: [OFString nativeOSEncoding]]);

	if ([exception respondsToSelector: @selector(backtrace)])
		backtrace = [exception backtrace];

	if (backtrace != nil) {
		OFString *s = [backtrace componentsJoinedByString: @"\n  "];
		fprintf(stderr, "\nBacktrace:\n  %s\n\n",
		    [s cStringWithEncoding: [OFString nativeOSEncoding]]);
	}

	abort();
}
#endif

static void

	return instance;
}

const char*
_NSPrintForDebugger(id object)
{
	return [[object description]
	    cStringWithEncoding: [OFString nativeOSEncoding]];
}

/* References for static linking */
void _references_to_categories_of_OFObject(void)
{
	_OFObject_Serialization_reference = 1;
}

	OFPlugin *(*initPlugin)(void);
	OFPlugin *plugin;

	path = [path stringByAppendingString: @PLUGIN_SUFFIX];

#ifndef _WIN32
	if ((handle = dlopen([path cStringWithEncoding:
	    [OFString nativeOSEncoding]], RTLD_LAZY)) == NULL)
#else
	if ((handle = LoadLibraryW([path UTF16String])) == NULL)
#endif
		@throw [OFInitializationFailedException
		    exceptionWithClass: self];

	objc_autoreleasePoolPop(pool);

			    exceptionWithClass: [self class]];

		switch ((_pid = fork())) {
		case 0:;
			OFString **objects = [arguments objects];
			size_t i, count = [arguments count];
			char **argv;
			of_string_encoding_t encoding;

			argv = [self allocMemoryWithSize: sizeof(char*)
						   count: count + 2];

			encoding = [OFString nativeOSEncoding];

			argv[0] = (char*)[programName

			    cStringWithEncoding: encoding];

			for (i = 0; i < count; i++)
				argv[i + 1] = (char*)[objects[i]
				    cStringWithEncoding: encoding];


			argv[i + 1] = NULL;

			if (environment != nil) {
#ifdef __MACH__
				*_NSGetEnviron() = [self
				    OF_environmentForDictionary: environment];
#else
				environ = [self
				    OF_environmentForDictionary: environment];
#endif
			}

			close(_readPipe[0]);
			close(_writePipe[1]);
			dup2(_writePipe[0], 0);
			dup2(_readPipe[1], 1);
			execvp([program cStringWithEncoding: encoding], argv);


			@throw [OFInitializationFailedException
			    exceptionWithClass: [self class]];
		case -1:
			@throw [OFInitializationFailedException
			    exceptionWithClass: [self class]];
		default:

#ifndef _WIN32
- (char**)OF_environmentForDictionary: (OFDictionary*)environment
{
	OFEnumerator *keyEnumerator, *objectEnumerator;
	char **envp;
	size_t i, count;
	of_string_encoding_t encoding;

	if (environment == nil)
		return NULL;

	encoding = [OFString nativeOSEncoding];

	count = [environment count];
	envp = [self allocMemoryWithSize: sizeof(char*)
				   count: count + 1];

	keyEnumerator = [environment keyEnumerator];
	objectEnumerator = [environment objectEnumerator];

	for (i = 0; i < count; i++) {
		OFString *key;
		OFString *object;
		size_t keyLen, objectLen;

		key = [keyEnumerator nextObject];
		object = [objectEnumerator nextObject];

		keyLen = [key cStringLengthWithEncoding: encoding];

		objectLen = [object cStringLengthWithEncoding: encoding];


		envp[i] = [self allocMemoryWithSize: keyLen + objectLen + 2];

		memcpy(envp[i], [key cStringWithEncoding: encoding], keyLen);

		envp[i][keyLen] = '=';
		memcpy(envp[i] + keyLen + 1,
		    [object cStringWithEncoding: encoding], objectLen);
		envp[i][keyLen + objectLen + 1] = '\0';
	}

	envp[i] = NULL;

	return envp;
}

} of_string_encoding_t;

enum {
	OF_STRING_SEARCH_BACKWARDS = 1,
	OF_STRING_SKIP_EMPTY	   = 2
};




#ifdef OF_HAVE_BLOCKS
/*!
 * @brief A block for enumerating the lines of a string.
 *
 * @param line The current line
 * @param stop A pointer to a variable that can be set to true to stop the
 *	       enumeration

 * @brief Creates a path from the specified path components.
 *
 * @param components An array of components for the path
 * @return A new autoreleased OFString
 */
+ (OFString*)pathWithComponents: (OFArray*)components;

/*!
 * @brief Returns the string encoding native to the operating system.
 *
 * This is useful to encode strings correctly for passing them to operating
 * system calls.
 *
 * @return The string encoding native to the operating system
 */
+ (of_string_encoding_t)nativeOSEncoding;

/*!
 * @brief Initializes an already allocated OFString from a UTF-8 encoded C
 *	  string.
 *
 * @param UTF8String A UTF-8 encoded C string to initialize the OFString with
 * @return An initialized OFString
 */

		[ret appendString: component];
	}

	objc_autoreleasePoolPop(pool);

	return ret;
}

+ (of_string_encoding_t)nativeOSEncoding
{
	/* FIXME */
	return OF_STRING_ENCODING_UTF_8;
}

- init
{
	if (object_getClass(self) == [OFString class]) {
		@try {
			[self doesNotRecognizeSelector: _cmd];
		} @catch (id e) {

{
	char *tmp;
	struct stat st;

	@try {
		OFFile *file;

		if (stat([path cStringWithEncoding: [OFString
		    nativeOSEncoding]], &st) == -1)
			@throw [OFOpenFileFailedException
			    exceptionWithPath: path
					 mode: @"rb"];

		if (st.st_size > SIZE_MAX)
			@throw [OFOutOfRangeException exception];

	memset(&hints, 0, sizeof(struct addrinfo));
	hints.ai_family = AF_UNSPEC;
	hints.ai_socktype = SOCK_STREAM;
	hints.ai_flags = AI_NUMERICSERV;
	snprintf(portCString, 7, "%" PRIu16, port);


	if (getaddrinfo([host UTF8String], portCString, &hints, &res0))
		@throw [OFAddressTranslationFailedException
		    exceptionWithHost: host
			       socket: self];

	for (res = res0; res != NULL; res = res->ai_next) {
		if ((_socket = socket(res->ai_family, res->ai_socktype,
		    res->ai_protocol)) == INVALID_SOCKET)

	OFDataArray *addrlist;
# endif

	memset(&addr, 0, sizeof(addr));
	addr.sin_family = AF_INET;
	addr.sin_port = OF_BSWAP16_IF_LE(port);

	if ((addr.sin_addr.s_addr = inet_addr([host UTF8String])) !=
	    (in_addr_t)(-1)) {
		if ((_socket = socket(AF_INET, SOCK_STREAM,
		    0)) == INVALID_SOCKET) {
			@throw [OFConnectionFailedException
			    exceptionWithHost: host
					 port: port
				       socket: self];
		}

	}

# ifdef OF_HAVE_THREADS
	addrlist = [[OFDataArray alloc] initWithItemSize: sizeof(char**)];
	[mutex lock];
# endif

	if ((he = gethostbyname([host UTF8String])) == NULL) {

# ifdef OF_HAVE_THREADS
		[addrlist release];
		[mutex unlock];
# endif
		@throw [OFAddressTranslationFailedException
		    exceptionWithHost: host
			       socket: self];

	memset(&hints, 0, sizeof(struct addrinfo));
	hints.ai_family = AF_UNSPEC;
	hints.ai_socktype = SOCK_STREAM;
	hints.ai_flags = AI_NUMERICSERV | AI_PASSIVE;
	snprintf(portCString, 7, "%" PRIu16, port);


	if (getaddrinfo([host UTF8String], portCString, &hints, &res))
		@throw [OFAddressTranslationFailedException
		    exceptionWithHost: host
			       socket: self];

	if ((_socket = socket(res->ai_family, SOCK_STREAM,
	    0)) == INVALID_SOCKET)
		@throw [OFBindFailedException exceptionWithHost: host

	freeaddrinfo(res);
#else
	memset(&addr, 0, sizeof(addr));
	addr.in.sin_family = AF_INET;
	addr.in.sin_port = OF_BSWAP16_IF_LE(port);

	if ((addr.in.sin_addr.s_addr = inet_addr([host UTF8String])) ==
	    (in_addr_t)(-1)) {
# ifdef OF_HAVE_THREADS
		[mutex lock];
		@try {
# endif
			struct hostent *he;

			if ((he = gethostbyname([host UTF8String])) == NULL)

				@throw [OFAddressTranslationFailedException
				    exceptionWithHost: host
					       socket: self];

			if (he->h_addrtype != AF_INET ||
			    he->h_addr_list[0] == NULL) {
				@throw [OFAddressTranslationFailedException

	@try {
		if (getnameinfo((struct sockaddr*)_sockAddr, _sockAddrLen, host,
		    NI_MAXHOST, NULL, 0, NI_NUMERICHOST | NI_NUMERICSERV))
			@throw [OFAddressTranslationFailedException
			    exceptionWithSocket: self];

		return [OFString stringWithUTF8String: host];

	} @finally {
		[self freeMemory: host];
	}
#else
# ifdef OF_HAVE_THREADS
	[mutex lock];

	@try {
# endif
		host = inet_ntoa(((struct sockaddr_in*)_sockAddr)->sin_addr);

		if (host == NULL)
			@throw [OFAddressTranslationFailedException
			    exceptionWithSocket: self];

		return [OFString stringWithUTF8String: host];

# ifdef OF_HAVE_THREADS
	} @finally {
		[mutex unlock];
	}
# endif
#endif