From d1b0de8de946a578ebbe1f2b3c0cd5fa229840d6 Mon Sep 17 00:00:00 2001
From: robertlipe <robertlipe@gmail.com>
Date: Sat, 3 Sep 2011 21:11:20 +0000
Subject: [PATCH] Don't crash on malforemed GPX; attr isn't optional on href.

---
 gpsbabel/gpx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gpsbabel/gpx.c b/gpsbabel/gpx.c
index aa4c4fb94..06fb24ccb 100644
--- a/gpsbabel/gpx.c
+++ b/gpsbabel/gpx.c
@@ -666,7 +666,7 @@ gpx_start(void* data, const XML_Char* xml_el, const XML_Char** xml_attr)
     tag_wpt(attr);
     break;
   case tt_wpt_link:
-    if (0 == strcmp(attr[0], "href")) {
+    if (attr[0] && attr[1] && 0 == strcmp(attr[0], "href")) {
       link_url = attr[1];
     }
     break;
-- 
2.30.2