From 87e00b50607d03c6a9986478603dc56903d9f356 Mon Sep 17 00:00:00 2001
From: Pim van den Berg
Date: Tue, 29 Sep 2009 20:10:16 +0200
Subject: prevent warning when no categories are defined

---
 index.php | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/index.php b/index.php
index cf0cb85..437093d 100644
--- a/index.php
+++ b/index.php
@@ -9,10 +9,12 @@ html_start();
 $h = array();
 
 # show all categorized hosts
-foreach($CONFIG['cat'] as $cat => $hosts) {
-	printf("<h2>%s</h2>\n", $cat);
-	host_summary($hosts);
-	$h = array_merge($h, $hosts);
+if (is_array($CONFIG['cat'])) {
+	foreach($CONFIG['cat'] as $cat => $hosts) {
+		printf("<h2>%s</h2>\n", $cat);
+		host_summary($hosts);
+		$h = array_merge($h, $hosts);
+	}
 }
 
 # search for uncategorized hosts
-- 
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