From a4919a16638bc07cc9c6715a7cab679497264c83 Mon Sep 17 00:00:00 2001
From: Andrew Dolgov <fox@madoka.spb.ru>
Date: Mon, 14 May 2007 09:16:48 +0100
Subject: do not test empty label expressions

---
 modules/pref-labels.php | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'modules/pref-labels.php')

diff --git a/modules/pref-labels.php b/modules/pref-labels.php
index 5260e7659..565342700 100644
--- a/modules/pref-labels.php
+++ b/modules/pref-labels.php
@@ -81,6 +81,11 @@
 			$expr = db_unescape_string(trim($_GET["expr"]));
 			$descr = db_unescape_string(trim($_GET["descr"]));
 
+			if (!$expr) {
+				print "<div>Error: SQL expression is blank.</div>";
+				return;
+			}
+
 			print "<div>";
 
 			error_reporting(0);
-- 
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