From c81fd8e194ff6dd5633071046d445e27558745bc Mon Sep 17 00:00:00 2001
From: Tatsuhiro Tsujikawa <tatsuhiro.t@gmail.com>
Date: Wed, 25 Sep 2013 23:58:59 +0900
Subject: [PATCH] InternalMessageDigestImpl: Fix memory leak

---
 src/InternalMessageDigestImpl.cc | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/InternalMessageDigestImpl.cc b/src/InternalMessageDigestImpl.cc
index ecac77da..b74fe053 100644
--- a/src/InternalMessageDigestImpl.cc
+++ b/src/InternalMessageDigestImpl.cc
@@ -49,7 +49,7 @@ template<size_t dlen,
          void (*free_fn)(ctx_t**)>
 class MessageDigestBase : public MessageDigestImpl {
 public:
-  MessageDigestBase() { reset(); }
+  MessageDigestBase() : ctx_(nullptr) { reset(); }
   virtual ~MessageDigestBase()
   {
     free_fn(&ctx_);
@@ -65,6 +65,7 @@ public:
   }
   virtual void reset() CXX11_OVERRIDE
   {
+    free_fn(&ctx_);
     init_fn(&ctx_);
   }
   virtual void update(const void* data, size_t length) CXX11_OVERRIDE