From 32489dfa569d0247a3175f0b6cf9641e2a6a66c1 Mon Sep 17 00:00:00 2001
From: Peter Wu
Date: Sun, 20 Jul 2014 23:58:53 +0200
Subject: Fix regex for strange datadirs

If a datadir would contain characters with a special meaning in regex
(e.g. `/tmp/logs (new)`), then the function would blow up.
---
 type/Base.class.php | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/type/Base.class.php b/type/Base.class.php
index c3741bd..e18d27a 100644
--- a/type/Base.class.php
+++ b/type/Base.class.php
@@ -165,6 +165,7 @@ class Type_Base {
 		$this->files = array();
 		$this->identifiers = array();
 
+		$datadir_prefix = preg_quote($this->datadir, '#');
 		foreach($files as $filename) {
 			$basename=basename($filename,'.rrd');
 			$instance = strpos($basename,'-')
@@ -173,7 +174,9 @@ class Type_Base {
 
 			$this->tinstances[] = $instance;
 			$this->files[$instance] = $filename;
-			$this->identifiers[$instance] = preg_replace("#^$this->datadir/(.*)\.rrd$#", '$1', $filename);
+			$this->identifiers[$instance] = preg_replace(
+				"#^{$datadir_prefix}/(.*)\.rrd$#", '$1',
+				$filename);
 		}
 
 		sort($this->tinstances);
-- 
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