From dfeb04a574a5d2f3c4288f8195e6926ac9bca4cf Mon Sep 17 00:00:00 2001
From: Andreas Fischer <bantu@owncloud.com>
Date: Tue, 17 Dec 2013 02:20:00 +0100
Subject: [PATCH] Do not use xcache variable cache if cache size is 0.

This is possible because it is possible to only use xcache as an opcode cache
but not a variable cache.
---
 lib/private/memcache/xcache.php | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/lib/private/memcache/xcache.php b/lib/private/memcache/xcache.php
index 33de30562f..4485f90520 100644
--- a/lib/private/memcache/xcache.php
+++ b/lib/private/memcache/xcache.php
@@ -44,11 +44,15 @@ class XCache extends Cache {
 	static public function isAvailable(){
 		if (!extension_loaded('xcache')) {
 			return false;
-		} elseif (\OC::$CLI) {
-			return false;
-		}else{
-			return true;
 		}
+		if (\OC::$CLI) {
+			return false;
+		}
+		$var_size = (int) ini_get('xcache.var_size');
+		if (!$var_size) {
+			return false;
+		}
+		return true;
 	}
 }