From 60964c9f2972df60c7074a37b2cc577b2e818b38 Mon Sep 17 00:00:00 2001
From: "Gergely POLONKAI (W00d5t0ck)" <gergely@polonkai.eu>
Date: Tue, 17 Sep 2013 21:50:05 +0200
Subject: [PATCH] Bug fix for non-existing tags in the save file

---
 src/ag-app.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/ag-app.c b/src/ag-app.c
index c2070bc..e704394 100644
--- a/src/ag-app.c
+++ b/src/ag-app.c
@@ -130,6 +130,14 @@ get_by_xpath(xmlXPathContextPtr ctx, const gchar *xpath, XmlConvertType type)
         return NULL;
     }
 
+    if (xpathObj->nodesetval == NULL) {
+        // TODO: Warn with a popup or similar way
+        g_warning("Required element not found. This is not a valid save file!");
+        xmlXPathFreeObject(xpathObj);
+
+        return NULL;
+    }
+
     if (xpathObj->nodesetval->nodeNr > 1) {
         // TODO: Warn with a popup or similar way
         g_warning("Too many elements. This is not a valid save file!");