From 4cad6b8ff82116323ad6e50dc324f65634c5b400 Mon Sep 17 00:00:00 2001
From: petern <petern@6611ac79-6612-48ef-a1e9-b906f853523e>
Date: Thu, 27 Jan 2011 21:56:18 +0000
Subject: [PATCH] Fix crash when there are no ports at all.

git-svn-id: file:///home/vcs/svn/jsweeper/trunk@45 6611ac79-6612-48ef-a1e9-b906f853523e
---
 src/portmanager.cpp | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/src/portmanager.cpp b/src/portmanager.cpp
index 4b37e6c..4ab63c1 100644
--- a/src/portmanager.cpp
+++ b/src/portmanager.cpp
@@ -42,11 +42,13 @@ void PortManager::Refresh()
 
 	const char **ports = jack_get_ports(client, NULL, NULL, 0);
 
-	for (int i = 0; ports[i] != NULL; ++i) {
-		Add(jack_port_by_name(client, ports[i]));
-	}
+	if (ports != NULL) {
+		for (int i = 0; ports[i] != NULL; ++i) {
+			Add(jack_port_by_name(client, ports[i]));
+		}
 
-	jack_free(ports);
+		jack_free(ports);
+	}
 
 	RefreshConnections();
 }