Added CallOnExit class

Former-commit-id: d4b6bb17a8183f46e4631d727fc8056eb2fcb254

include/Nazara/Core/CallOnExit.hpp

@@ -0,0 +1,28 @@
+// Copyright (C) 2014 Jérôme Leclercq
+// This file is part of the "Nazara Engine - Core module"
+// For conditions of distribution and use, see copyright notice in Config.hpp
+
+#pragma once
+
+#ifndef NAZARA_CALLONEXIT_HPP
+#define NAZARA_CALLONEXIT_HPP
+
+#include <Nazara/Prerequesites.hpp>
+
+class NzCallOnExit
+{
+	using Func = void (*)();
+
+	public:
+		NzCallOnExit(Func func = nullptr);
+		~NzCallOnExit();
+
+		void Reset(Func func = nullptr);
+
+	private:
+		Func m_func;
+};
+
+#include <Nazara/Core/CallOnExit.inl>
+
+#endif // NAZARA_CALLONEXIT_HPP

include/Nazara/Core/CallOnExit.inl

@@ -0,0 +1,23 @@
+// Copyright (C) 2014 Jérôme Leclercq
+// This file is part of the "Nazara Engine - Core module"
+// For conditions of distribution and use, see copyright notice in Config.hpp
+
+#include <Nazara/Core/Debug.hpp>
+
+inline NzCallOnExit::NzCallOnExit(Func func) :
+m_func(func)
+{
+}
+
+inline NzCallOnExit::~NzCallOnExit()
+{
+	if (m_func)
+		m_func();
+}
+
+inline void NzCallOnExit::Reset(Func func)
+{
+	m_func = func;
+}
+
+#include <Nazara/Core/DebugOff.hpp>