From 5f6578b53404c52eb40f5a255f5b40218cfc24ac Mon Sep 17 00:00:00 2001
From: aleksandrm8 <aleksandrm8@gmail.com>
Date: Tue, 23 Dec 2014 16:40:23 +0300
Subject: [PATCH] FIX: Using free memory error

Error fix.
---
 OnvifSDK/WsDiscovery/remotediscovery_proxy.cpp | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/OnvifSDK/WsDiscovery/remotediscovery_proxy.cpp b/OnvifSDK/WsDiscovery/remotediscovery_proxy.cpp
index 14efa7c..19a3405 100644
--- a/OnvifSDK/WsDiscovery/remotediscovery_proxy.cpp
+++ b/OnvifSDK/WsDiscovery/remotediscovery_proxy.cpp
@@ -193,9 +193,14 @@ class RemoteDiscoveryProxy :
 private:
     static std::string url()
     {
-        std::stringstream ss;
-        ss << "soap.udp://" << WSDD_MULTICAT_IP << ":" << WSDD_MULTICAT_PORT;
-        return ss.str();
+        static std::string url;
+        if (url.empty())
+        {
+            std::stringstream ss;
+            ss << "soap.udp://" << WSDD_MULTICAT_IP << ":" << WSDD_MULTICAT_PORT;
+            url = ss.str();
+        }
+        return url;
     }
 
 private: