From 27baa178d250d6e59ec03d3a611acd56501bf7cb Mon Sep 17 00:00:00 2001
From: Christopher Lackner <clackner@cerbsim.com>
Date: Mon, 20 Apr 2020 10:13:04 +0200
Subject: [PATCH] fix new clang warning and add helper function

---
 libsrc/core/utils.hpp | 4 ++++
 libsrc/occ/occpkg.cpp | 3 ++-
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/libsrc/core/utils.hpp b/libsrc/core/utils.hpp
index 65db4fff..8dd5c531 100644
--- a/libsrc/core/utils.hpp
+++ b/libsrc/core/utils.hpp
@@ -23,6 +23,10 @@ namespace ngcore
   
   NGCORE_API std::string Demangle(const char* typeinfo);
 
+  template<typename T>
+  NGCORE_API std::string GetName(const T& obj)
+  { return Demangle(typeid(obj).name()); }
+
 #if defined(__GNUC__)
   inline bool likely (bool x) { return bool(__builtin_expect(long(x), 1L)); }
   inline bool unlikely (bool x) { return bool(__builtin_expect(long(x), 0L)); }
diff --git a/libsrc/occ/occpkg.cpp b/libsrc/occ/occpkg.cpp
index a4f019a7..62d0fe0b 100644
--- a/libsrc/occ/occpkg.cpp
+++ b/libsrc/occ/occpkg.cpp
@@ -519,7 +519,8 @@ namespace netgen
 		stringstream str;
 		occgeometry->GetTopologyTree (str);
 
-		char* cstr = (char*)str.str().c_str();
+                auto txt = str.str();
+		char* cstr = (char*) txt.c_str();
 
 		(*testout) << cstr << endl;