From 2f81c2b400f87ee10a2857ee25858aed6abaf569 Mon Sep 17 00:00:00 2001
From: "Sven M. Hallberg" <pesco@khjk.org>
Date: Sun, 5 May 2013 19:32:23 +0200
Subject: [PATCH] fix hashtable iteration in h_hashtable_update

---
 src/datastructures.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/datastructures.c b/src/datastructures.c
index a1aca91..271f4c6 100644
--- a/src/datastructures.c
+++ b/src/datastructures.c
@@ -171,6 +171,8 @@ void h_hashtable_update(HHashTable *dst, const HHashTable *src) {
   HHashTableEntry *hte;
   for(i=0; i < src->capacity; i++) {
     for(hte = &src->contents[i]; hte; hte = hte->next) {
+      if(hte->key == NULL)
+        continue;
       h_hashtable_put(dst, hte->key, hte->value);
     }
   }