From e7dcbd911ee813e33e0f307cb430ba102b1c7144 Mon Sep 17 00:00:00 2001
From: Pim van den Berg
Date: Sat, 14 Sep 2013 12:42:14 +0200
Subject: rrd.php: ob_clean if ob_get_length to prevent from a php notice

Reported-by: tbleiker (https://github.com/pommi/CGP/issues/26)
---
 rrd.php | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

(limited to 'rrd.php')

diff --git a/rrd.php b/rrd.php
index a873bf7..1b5997b 100644
--- a/rrd.php
+++ b/rrd.php
@@ -8,9 +8,9 @@ if ($file = validateRRDPath($CONFIG['datadir'], $_SERVER['PATH_INFO'])) {
 	header('Content-Type: application/octet-stream');
 	header('Content-Disposition: attachment; filename='.basename($file));
 	header("Expires: " .date(DATE_RFC822,strtotime($CONFIG['cache']." seconds")));
-    ob_clean();
-    flush();
-    readfile($file);
+	if(ob_get_length()) ob_clean();
+	flush();
+	readfile($file);
 } else {
 	header('HTTP/1.0 403 Forbidden');
 
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