From 9dcad69a6d44601369836cbc712d5eb228628139 Mon Sep 17 00:00:00 2001
From: Steve Brokenshire <sbrokenshire@xestia.co.uk>
Date: Sun, 29 May 2016 20:07:07 +0100
Subject: [PATCH] Perform checks if XML Node(s) have been found or not.

The addition of this check improves the reliability of Xestia Calendar.
---
 .../objects/CalDAV/CalDAV-XMLProcessing.cpp   | 24 +++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/source/objects/CalDAV/CalDAV-XMLProcessing.cpp b/source/objects/CalDAV/CalDAV-XMLProcessing.cpp
index 239afe7..8f39d86 100644
--- a/source/objects/CalDAV/CalDAV-XMLProcessing.cpp
+++ b/source/objects/CalDAV/CalDAV-XMLProcessing.cpp
@@ -49,6 +49,12 @@ string CalDAV::ProcessXMLUserPrincipal(){
 		
 	}
 	
+	if (NodeFound == false){
+	
+		return UserPrincipalURI;
+
+	}
+	
 	// Look for response.
 
 	if (NodeFound == false){ return UserPrincipalURI; } else { NodeFound = false; }
@@ -113,6 +119,12 @@ string CalDAV::ProcessXMLCalendarHome(){
 		
 	}
 	
+	if (NodeFound == false){
+	
+		return CalendarHomeURI;
+
+	}
+	
 	// Look for response.
 
 	if (NodeFound == false){ return CalendarHomeURI; } else { NodeFound = false; }
@@ -182,6 +194,12 @@ CalDAVCalendarList CalDAV::ProcessXMLCalendarList(){
 		
 	}
 	
+	if (NodeFound == false){
+	
+		return CalendarList;
+
+	}
+	
 	for (NodeResponse = NodeSeek->children;
 		NodeResponse != nullptr;
 		NodeResponse = NodeResponse->next)
@@ -399,6 +417,12 @@ string CalDAV::ProcessXMLEntryETag(){
 		
 	}
 	
+	if (NodeFound == false){
+	
+		return EntryETag;
+
+	}
+	
 	// Look for response.
 	
 	if (NodeFound == false){ return EntryETag; } else { NodeFound = false; }
-- 
2.39.5