From 68b49deed3d92e27abcc418400dc0e9c821481b6 Mon Sep 17 00:00:00 2001
From: bergmann <info@bergmann89.de>
Date: Sat, 23 Nov 2019 01:17:37 +0100
Subject: [PATCH] * Fixed memory leak in type_helper

---
 include/cppcore/misc/type_helper.h   |  2 +-
 include/cppcore/misc/type_helper.inl | 29 ++++++++++++++++++++++++----
 2 files changed, 26 insertions(+), 5 deletions(-)

diff --git a/include/cppcore/misc/type_helper.h b/include/cppcore/misc/type_helper.h
index d580639..77e50f2 100644
--- a/include/cppcore/misc/type_helper.h
+++ b/include/cppcore/misc/type_helper.h
@@ -16,7 +16,7 @@ namespace cppcore
         /**
          * @brief Get the name of the type.
          */
-        static inline std::string name();
+        static inline const std::string& name();
     };
 
 
diff --git a/include/cppcore/misc/type_helper.inl b/include/cppcore/misc/type_helper.inl
index 75dfa23..ec9fe73 100644
--- a/include/cppcore/misc/type_helper.inl
+++ b/include/cppcore/misc/type_helper.inl
@@ -1,16 +1,37 @@
 #pragma once
 
+#include <memory>
+
 #include "type_helper.h"
 
 namespace cppcore
 {
 
+    namespace __impl
+    {
+
+        template<typename T>
+        std::string get_type_name()
+        {
+            using ptr_u = std::unique_ptr<char, decltype(&free)>;
+
+            int status;
+            ptr_u name(
+                abi::__cxa_demangle(typeid(T).name(), 0, 0, &status),
+                &free);
+
+            return std::string(name
+                ? name.get()
+                : typeid(T).name());
+        }
+
+    }
+
     template<typename T>
-    std::string type_helper<T>::name()
+    const std::string& type_helper<T>::name()
     {
-        int status;
-        auto name = abi::__cxa_demangle(typeid(T).name(), 0, 0, &status);
-        return std::string(name ? name : typeid(T).name());
+        static auto value = __impl::get_type_name<T>();
+        return value;
     }
 
     /**