From 05802d9c9936ff3d1b9964aca8921a11c19a5d1f Mon Sep 17 00:00:00 2001
From: jakubvrana <jakubvrana@7c3ca157-0c34-0410-bff1-cbf682f78f5c>
Date: Sat, 9 Jan 2010 23:53:44 +0000
Subject: [PATCH] Decrypt empty string

git-svn-id: https://adminer.svn.sourceforge.net/svnroot/adminer/trunk@1289 7c3ca157-0c34-0410-bff1-cbf682f78f5c
---
 adminer/include/xxtea.inc.php | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/adminer/include/xxtea.inc.php b/adminer/include/xxtea.inc.php
index 25786abb..cea1badf 100644
--- a/adminer/include/xxtea.inc.php
+++ b/adminer/include/xxtea.inc.php
@@ -74,6 +74,9 @@ function encrypt_string($str, $key) {
 function decrypt_string($str, $key) {
 	$v = str2long($str, false);
 	$n = count($v) - 1;
+	if (!$n) {
+		return "";
+	}
 	$z = $v[$n];
 	$y = $v[0];
 	$q = floor(6 + 52 / ($n + 1));