Additions for wp-load.php Wordpress' loader. It enables hostname-specific Wordpress' configuration files (wp-config-HOSTNAME.php).

wp-load-addition.php

<?
// [..]

/**
 * Hostname specific wp-config statement
 * 
 * @author Mirco Babini <mirkolofio@gmail.com>
 * @uses hostname (): */
if (!function_exists ('hostname')) {
	function hostname () { return trim (php_uname ("n")); } } /*
 * 
 * Place these lines before the first cond. statement in wp-load.php
 */
$hostname = hostname ();
if (file_exists (ABSPATH."wp-config-{$hostname}.php")) {

	/** Hostname specific wp-config */
	require_once (ABSPATH."wp-config-{$hostname}.php");
	
} else /* if (..) { .. */