SimpleMachines / SMF2.1

		return false;

	// Check agreement.txt. (it may not exist, in which case $boarddir must be writable.)

	if (isset($modSettings['agreement']) && (!is_writable($boarddir) || file_exists($boarddir . '/agreement.txt')) && !is_writable($boarddir . '/agreement.txt'))

		return throw_error('The upgrader was unable to obtain write access to agreement.txt.<br><br>If you are using a linux or unix based server, please ensure that the file is chmod\'d to 777, or if it does not exist that the directory this upgrader is in is 777.<br>If your server is running Windows, please ensure that the internet guest account has the proper permissions on it or its folder.');

	// Upgrade the agreement.

	elseif (isset($modSettings['agreement']))

	{

		$fp = fopen($boarddir . '/agreement.txt', 'w');

		fwrite($fp, $modSettings['agreement']);

		fclose($fp);

	}

	// We're going to check that their board dir setting is right in case they've been moving stuff around.

	if (strtr($boarddir, array('/' => '', '\\' => '')) != strtr(dirname(__FILE__), array('/' => '', '\\' => '')))

	if (!is_writable($boarddir . '/Settings_bak.php'))

		print_error('Error: Unable to obtain write access to "Settings_bak.php".');

	if (isset($modSettings['agreement']) && (!is_writable($boarddir) || file_exists($boarddir . '/agreement.txt')) && !is_writable($boarddir . '/agreement.txt'))

		print_error('Error: Unable to obtain write access to "agreement.txt".');

	elseif (isset($modSettings['agreement']))

	{

		$fp = fopen($boarddir . '/agreement.txt', 'w');

		fwrite($fp, $modSettings['agreement']);

		fclose($fp);

	}

	// Make sure Themes is writable.

	quickFileWritable($modSettings['theme_dir']);