From 05f1b4551df1ea2cb81e3e788d8ed7d9ef6c1ec6 Mon Sep 17 00:00:00 2001
From: Yuichi Nishiwaki <yuichi.nishiwaki@gmail.com>
Date: Wed, 23 Oct 2013 20:09:06 +0900
Subject: [PATCH] fix a memory bug in xhash

---
 extlib/xhash/xhash.h | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/extlib/xhash/xhash.h b/extlib/xhash/xhash.h
index 3b9509c0..3566e5d9 100644
--- a/extlib/xhash/xhash.h
+++ b/extlib/xhash/xhash.h
@@ -88,14 +88,15 @@ static inline void
 xh_destory(struct xhash *x)
 {
   int i;
-  struct xh_entry *e;
+  struct xh_entry *e, *d;
 
   for (i = 0; i < x->size; ++i) {
     e = x->buckets[i];
     while (e) {
+      d = e->next;
       free((void*)e->key);
-      e = e->next;
       free(e);
+      e = d;
     }
   }
   free(x);