From e496156a504fd1079db98adebb87872d95d030a2 Mon Sep 17 00:00:00 2001
From: rudolfkoenig <rudolfkoenig@2b470e98-0d58-463d-a4d8-8e2adae1ed80>
Date: Sun, 29 Dec 2013 09:37:08 +0000
Subject: [PATCH] HttpUtils: Avoid perl errors on empty return

git-svn-id: svn://svn.code.sf.net/p/fhem/code/trunk@4497 2b470e98-0d58-463d-a4d8-8e2adae1ed80
---
 fhem/FHEM/HttpUtils.pm | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/fhem/FHEM/HttpUtils.pm b/fhem/FHEM/HttpUtils.pm
index e78647e15..dc8545d6c 100644
--- a/fhem/FHEM/HttpUtils.pm
+++ b/fhem/FHEM/HttpUtils.pm
@@ -147,6 +147,12 @@ CustomGetFileFromURL($$@)
   my @header= split("\r\n", $1);
   my @header0= split(" ", shift @header);
   my $code= $header0[1];
+
+  if(!defined($code) || $code eq "") {
+    Log3 undef, $loglevel,
+           "CustomGetFileFromURL $displayurl: empty answer received";
+    return undef;
+  }
   Log3 undef, $loglevel,
        "CustomGetFileFromURL $displayurl: HTTP Response code $code";