ObjFW  Diff

#ifndef OF_WINDOWS
		void *pool = objc_autoreleasePoolPush();
		const char *path;
		char **argv;

		if (pipe(_readPipe) != 0 || pipe(_writePipe) != 0)
			@throw [OFInitializationFailedException
			    exceptionWithClass: [self class]];

		path = [program cStringWithEncoding: [OFLocale encoding]];
		[self of_getArgv: &argv
		  forProgramName: programName
		    andArguments: arguments];

		@try {
			char **env = [self
			    of_environmentForDictionary: environment];
# ifdef HAVE_POSIX_SPAWNP
			posix_spawn_file_actions_t actions;
			posix_spawnattr_t attr;

			if (posix_spawn_file_actions_init(&actions) != 0)
				@throw [OFInitializationFailedException
				    exceptionWithClass: [self class]];

			if (posix_spawnattr_init(&attr) != 0) {
				posix_spawn_file_actions_destroy(&actions);

				@throw [OFInitializationFailedException
				    exceptionWithClass: [self class]];
			}

			@try {
				if (posix_spawn_file_actions_addclose(&actions,
				    _readPipe[0]) != 0 ||
				    posix_spawn_file_actions_addclose(&actions,
				    _writePipe[1]) != 0 ||
				    posix_spawn_file_actions_adddup2(&actions,
				    _writePipe[0], 0) != 0 ||
				    posix_spawn_file_actions_adddup2(&actions,
				    _readPipe[1], 1) != 0)
					@throw [OFInitializationFailedException
					    exceptionWithClass: [self class]];

#  ifdef POSIX_SPAWN_CLOEXEC_DEFAULT
				if (posix_spawnattr_setflags(&attr,
				    POSIX_SPAWN_CLOEXEC_DEFAULT) != 0)
					@throw [OFInitializationFailedException
					    exceptionWithClass: [self class]];
#  endif

				if (posix_spawnp(&_pid, path, &actions, &attr,
				    argv, env) != 0)
					@throw [OFInitializationFailedException
					    exceptionWithClass: [self class]];
			} @finally {
				posix_spawn_file_actions_destroy(&actions);
				posix_spawnattr_destroy(&attr);
			}
# else
			if ((_pid = vfork()) == 0) {
				environ = env;

				close(_readPipe[0]);
				close(_writePipe[1]);
				dup2(_writePipe[0], 0);
				dup2(_readPipe[1], 1);
				execvp(path, argv);

				_exit(EXIT_FAILURE);
			}

			if (_pid == -1)
				@throw [OFInitializationFailedException
				    exceptionWithClass: [self class]];
# endif
		} @finally {
			close(_readPipe[1]);
			close(_writePipe[0]);
			[self freeMemory: argv];
		}

		sa.nLength = sizeof(sa);
		sa.bInheritHandle = TRUE;
		sa.lpSecurityDescriptor = NULL;

		if (!CreatePipe(&_readPipe[0], &_readPipe[1], &sa, 0))
			@throw [OFInitializationFailedException
			    exceptionWithClass: [self class]];

		if (!SetHandleInformation(_readPipe[0], HANDLE_FLAG_INHERIT, 0))
			@throw [OFInitializationFailedException
			    exceptionWithClass: [self class]];

		if (!CreatePipe(&_writePipe[0], &_writePipe[1], &sa, 0))
			@throw [OFInitializationFailedException
			    exceptionWithClass: [self class]];

		if (!SetHandleInformation(_writePipe[1],
		    HANDLE_FLAG_INHERIT, 0))
			@throw [OFInitializationFailedException
			    exceptionWithClass: [self class]];

		memset(&pi, 0, sizeof(pi));
		memset(&si, 0, sizeof(si));

		si.cb = sizeof(si);
		si.hStdInput = _writePipe[0];
		si.hStdOutput = _readPipe[1];

			[argumentsString appendString: tmp];

			if (containsSpaces)
				[argumentsString appendString: @"\""];
		}

		length = [argumentsString UTF16StringLength];
		argumentsCopy = [self allocMemoryWithSize: sizeof(of_char16_t)
						    count: length + 1];
		memcpy(argumentsCopy, [argumentsString UTF16String],
		    ([argumentsString UTF16StringLength] + 1) * 2);
		@try {
			if (!CreateProcessW([program UTF16String],
			    argumentsCopy, NULL, NULL, TRUE,
			    CREATE_UNICODE_ENVIRONMENT,
			    [self of_environmentForDictionary: environment],
			    NULL, &si, &pi))
				@throw [OFInitializationFailedException
				    exceptionWithClass: [self class]];
		} @finally {
			[self freeMemory: argumentsCopy];
		}

		objc_autoreleasePoolPop(pool);

		_process = pi.hProcess;

}

#ifndef OF_WINDOWS
- (void)of_getArgv: (char ***)argv
    forProgramName: (OFString *)programName
      andArguments: (OFArray *)arguments
{
	OFString *const *objects = [arguments objects];
	size_t i, count = [arguments count];
	of_string_encoding_t encoding;

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

	encoding = [OFLocale encoding];

	of_string_encoding_t encoding;

	if (environment == nil)
		return NULL;

	encoding = [OFLocale encoding];

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

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

	for (i = 0; i < count; i++) {

	env = [OFMutableData dataWithItemSize: sizeof(of_char16_t)];

	keyEnumerator = [environment keyEnumerator];
	objectEnumerator = [environment objectEnumerator];
	while ((key = [keyEnumerator nextObject]) != nil &&
	    (object = [objectEnumerator nextObject]) != nil) {
		[env addItems: [key UTF16String]
			count: [key UTF16StringLength]];
		[env addItems: &equal
			count: 1];
		[env addItems: [object UTF16String]
			count: [object UTF16StringLength]];
		[env addItems: &zero
			count: 1];
	}
	[env addItems: zero
		count: 2];

	return [env items];
}
#endif

- (bool)lowlevelIsAtEndOfStream
{
#ifndef OF_WINDOWS
	if (_readPipe[0] == -1)