From e4d32b176e7b3b3c38713cc89eefe59f63cbfa76 Mon Sep 17 00:00:00 2001
From: Takatoshi Kondo <redboltz@gmail.com>
Date: Sun, 3 Aug 2014 17:04:46 +0900
Subject: [PATCH] Use const char* version of msgpack::unpack_error to avoid
 std::string memory allocation when usr C++11 compiler. See
 http://www.cplusplus.com/reference/stdexcept/runtime_error/?kw=runtime_error

---
 include/msgpack/unpack.hpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/include/msgpack/unpack.hpp b/include/msgpack/unpack.hpp
index 9e2fae02..da56cb58 100644
--- a/include/msgpack/unpack.hpp
+++ b/include/msgpack/unpack.hpp
@@ -727,8 +727,13 @@ private:
 
 
 struct unpack_error : public std::runtime_error {
+#if defined(MSGPACK_USE_CPP03)
     unpack_error(const std::string& msg) :
         std::runtime_error(msg) { }
+#else
+    unpack_error(const char* msg) :
+        std::runtime_error(msg) { }
+#endif
 };