added missign file from previous merge

git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@7494 b45a01b8-16f6-495d-af2f-9b41ad6348cc

libretroshare/src/util/rsinitedptr.h

@@ -0,0 +1,30 @@
+#pragma once
+/**
+helper class to store a pointer
+it is usefull because it initialises itself to NULL
+
+usage:
+replace
+    type* ptr;
+with
+    inited_ptr<type> ptr;
+
+this class can
+- get assigned a pointer
+- be dereferenced
+- be converted back to a pointer
+*/
+namespace RsUtil{
+template<class T> class inited_ptr{
+public:
+    inited_ptr(): _ptr(NULL){}
+    inited_ptr(const inited_ptr<T>& other): _ptr(other._ptr){}
+    inited_ptr<T>& operator= (const inited_ptr<T>& other){ _ptr = other._ptr; return *this;}
+    inited_ptr<T>& operator= (T* ptr){ _ptr = ptr; return *this;}
+    operator T* () const { return _ptr;}
+    T* operator ->() const { return _ptr;}
+    T& operator *() const { return *_ptr;}
+private:
+    T* _ptr;
+};
+}//namespace RsUtil