From 6515577dc3cca271224ea9503f2d02b1b08feb05 Mon Sep 17 00:00:00 2001
From: Takatoshi Kondo <redboltz@gmail.com>
Date: Sun, 2 Feb 2014 17:28:33 +0000
Subject: [PATCH] Added null pointer check for C++ separated code.

---
 cpp11/zone.hpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/cpp11/zone.hpp b/cpp11/zone.hpp
index c86a3304..a5635450 100644
--- a/cpp11/zone.hpp
+++ b/cpp11/zone.hpp
@@ -230,8 +230,13 @@ inline void* zone::allocate_expand(size_t size)
 	}
 
 	chunk* c = static_cast<chunk*>(::malloc(sizeof(chunk) + sz));
+	if (!c) return nullptr;
 
 	char* ptr = reinterpret_cast<char*>(c) + sizeof(chunk);
+	if (!ptr) {
+		::free(c);
+		return nullptr;
+	}
 
 	c->next_  = cl->head_;
 	cl->head_ = c;