From 614a03c8868bd4927050828ff1e38af3e0fb1e52 Mon Sep 17 00:00:00 2001
From: thorkill <thkr@hannover.ccc.de>
Date: Sun, 5 Jul 2015 00:31:39 +0200
Subject: [PATCH] Do not try to zero memory on unitialized hash

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

diff --git a/src/hash.c b/src/hash.c
index 91fc3d67..2a9c175c 100644
--- a/src/hash.c
+++ b/src/hash.c
@@ -101,6 +101,8 @@ void hash_delete(hash_t *hash, const void *key) {
 /* Utility functions */
 
 void hash_clear(hash_t *hash) {
+	if (!hash)
+		return;
 	memset(hash->values, 0, hash->n * sizeof *hash->values);
 }