<?php

/***********************************************************************

  Copyright (C) 2002-2005  Rickard Andersson (rickard@punbb.org)

  This file is part of PunBB.

  PunBB is free software; you can redistribute it and/or modify it

  under the terms of the GNU General Public License as published

  by the Free Software Foundation; either version 2 of the License,

  or (at your option) any later version.

  PunBB is distributed in the hope that it will be useful, but

  WITHOUT ANY WARRANTY; without even the implied warranty of

  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

  GNU General Public License for more details.

  You should have received a copy of the GNU General Public License

  along with this program; if not, write to the Free Software

  Foundation, Inc., 59 Temple Place, Suite 330, Boston,

  MA  02111-1307  USA

************************************************************************/

// Make sure no one attempts to run this script "directly"

if (!defined('PUN'))

	exit;

//

// Return current timestamp (with microseconds) as a float (used in dblayer)

//

if (defined('PUN_SHOW_QUERIES'))

{

	function get_microtime()

	{

		list($usec, $sec) = explode(' ', microtime());

		return ((float)$usec + (float)$sec);

	}

}

// Load the appropriate DB layer class

switch ($db_type)

{

	case 'mysql':

		require PUN_ROOT.'include/dblayer/mysql.php';

		break;

	case 'mysqli':

		require PUN_ROOT.'include/dblayer/mysqli.php';

		break;

	case 'pgsql':

		require PUN_ROOT.'include/dblayer/pgsql.php';

		break;

	case 'sqlite':

		require PUN_ROOT.'include/dblayer/sqlite.php';

		break;

	default:

		error('\''.$db_type.'\' is not a valid database type. Please check settings in config.php.', __FILE__, __LINE__);

		break;

}

// Create the database adapter object (and open/connect to/select db)