ObjFW  Check-in [30e5c5ea27]

	arguments: (OFArray*)arguments
      environment: (OFDictionary*)environment
{
	self = [super init];

	@try {
#ifndef _WIN32
		void *pool = objc_autoreleasePoolPush();
		const char *path;
		int argc;
		char **argv, **env;

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

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

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

			encoding = [OFSystemInfo native8BitEncoding];

			argv[0] = (char*)[programName
		    [OFSystemInfo native8BitEncoding]];
		[self OF_getArgC: &argc
			 andArgV: &argv
		  forProgramName: programName
			    cStringWithEncoding: encoding];

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

		env = [self OF_environmentForDictionary: environment];
			argv[i + 1] = NULL;

			if (environment != nil) {
		if ((_pid = fork()) == 0) {
#ifdef __MACH__
				*_NSGetEnviron() = [self
			*_NSGetEnviron() = env;
				    OF_environmentForDictionary: environment];
#else
				environ = [self
			environ = env;
				    OF_environmentForDictionary: environment];
#endif
			}

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

			_exit(EXIT_FAILURE);
		}
		case -1:

			@throw [OFInitializationFailedException
			    exceptionWithClass: [self class]];
		default:
			close(_readPipe[1]);
			close(_writePipe[0]);
			break;
		}
		close(_readPipe[1]);
		close(_writePipe[0]);
		[self freeMemory: argv];

		if (_pid == -1)
			@throw [OFInitializationFailedException
			    exceptionWithClass: [self class]];

		objc_autoreleasePoolPop(pool);
#else
		SECURITY_ATTRIBUTES sa;
		PROCESS_INFORMATION pi;
		STARTUPINFOW si;
		void *pool;
		OFMutableString *argumentsString;
		OFEnumerator *enumerator;

{
	[self close];

	[super dealloc];
}

#ifndef _WIN32
- (void)OF_getArgC: (int*)argc
	   andArgV: (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 = [OFSystemInfo native8BitEncoding];

	(*argv)[0] = (char*)[programName cStringWithEncoding: encoding];

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

	(*argv)[i + 1] = NULL;
}

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