ObjFW  Diff

			[argumentsString appendString: @"\""];
		}

		enumerator = [arguments objectEnumerator];
		while ((argument = [enumerator nextObject]) != nil) {
			OFMutableString *tmp =
			    [[argument mutableCopy] autorelease];
			BOOL containsSpaces = [tmp containsString: @" "];
			bool containsSpaces = [tmp containsString: @" "];

			[argumentsString appendString: @" "];

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

			[tmp replaceOccurrencesOfString: @"\\\""

	[env addItems: &zero
		count: 1];

	return [env items];
}
#endif

- (BOOL)lowlevelIsAtEndOfStream
- (bool)lowlevelIsAtEndOfStream
{
#ifndef _WIN32
	if (_readPipe[0] == -1)
#else
	if (_readPipe[0] == NULL)
#endif
		return YES;
		return true;

	return _atEndOfStream;
}

- (size_t)lowlevelReadIntoBuffer: (void*)buffer
			  length: (size_t)length
{
#ifndef _WIN32
	ssize_t ret;
#else
	DWORD ret;
#endif

#ifndef _WIN32
	if (_readPipe[0] == -1 || _atEndOfStream ||
	    (ret = read(_readPipe[0], buffer, length)) < 0) {
#else
	if (_readPipe[0] == NULL || _atEndOfStream ||
	    !ReadFile(_readPipe[0], buffer, length, &ret, NULL)) {
		if (GetLastError() == ERROR_BROKEN_PIPE) {
			_atEndOfStream = YES;
			_atEndOfStream = true;
			return 0;
		}

#endif
		@throw [OFReadFailedException exceptionWithClass: [self class]
							  stream: self
						 requestedLength: length];
	}

	if (ret == 0)
		_atEndOfStream = YES;
		_atEndOfStream = true;

	return ret;
}

- (void)lowlevelWriteBuffer: (const void*)buffer
		     length: (size_t)length
{