From 56624595013343aaa5ac3eb9a9c2707564bdfd0e Mon Sep 17 00:00:00 2001
From: =?utf8?q?Tim=20D=C3=BCsterhus?= <duesterhus@woltlab.com>
Date: Sat, 25 Aug 2012 17:38:01 +0200
Subject: [PATCH] Optimizing FileUtil

---
 wcfsetup/install/files/lib/util/FileUtil.class.php | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/wcfsetup/install/files/lib/util/FileUtil.class.php b/wcfsetup/install/files/lib/util/FileUtil.class.php
index c0753930ee..407938f135 100644
--- a/wcfsetup/install/files/lib/util/FileUtil.class.php
+++ b/wcfsetup/install/files/lib/util/FileUtil.class.php
@@ -568,6 +568,9 @@ final class FileUtil {
 			}
 		}
 		catch (SystemException $e) {
+			// clean up
+			if (isset($tmpname) && file_exists($tmpname)) @unlink($tmpname);
+			
 			throw $e;
 		}
 	}
@@ -594,7 +597,7 @@ final class FileUtil {
 		
 		// get bytes
 		$block = $file->read($blockSize);
-		return (strlen($block) == 0 || preg_match_all('/\x00/', $block, $match) > 0);
+		return (strlen($block) == 0 || strpos($block, "\0") !== false);
 	}
 	
 	/**
-- 
2.20.1