From bdb843ade7d2c98425982fc912ecce46eb530a89 Mon Sep 17 00:00:00 2001
From: River Tarnell <kateturner@users.mediawiki.org>
Date: Sat, 25 Sep 2004 09:57:03 +0000
Subject: [PATCH] disallow empty searches

---
 includes/SearchEngine.php | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/includes/SearchEngine.php b/includes/SearchEngine.php
index a04c3ea6fd..930ab83160 100644
--- a/includes/SearchEngine.php
+++ b/includes/SearchEngine.php
@@ -250,6 +250,9 @@ class SearchEngine {
 
 	function parseQuery() {
 		global $wgDBmysql4;
+		if (strlen($this->filteredText) < 1)
+			return MW_SEARCH_BAD_QUERY;
+
 		if( $wgDBmysql4 ) {
 			# Use cleaner boolean search if available
 			return $this->parseQuery4();
-- 
2.20.1