@@ 18,10 18,42 @@ class Class;
 using Inlet = std::unique_ptr<t_inlet, void(*)(t_inlet*)>;
 using Outlet = std::unique_ptr<t_outlet, void(*)(t_outlet*)>;
 
+struct PdBytes {
+	void *ptr;
+	size_t sz;
+	void *get() { return ptr; }
+	PdBytes(size_t size):sz(size) {
+		ptr = (void*)getzbytes(size);
+		assert(ptr);
+	}
+
+	PdBytes():sz(0),ptr(nullptr) {		
+	}
+
+	PdBytes(PdBytes&& b) {
+		std::swap(ptr, b.ptr);
+		std::swap(sz, b.sz);
+	}
+
+	PdBytes(const PdBytes&) = delete;
+
+	PdBytes& operator=(PdBytes&& from) {
+		std::swap(ptr, from.ptr);
+		std::swap(sz, from.sz);
+		return *this;
+	}
+
+	void operator=(const PdBytes&) = delete;
+
+	~PdBytes() {
+		if (ptr) freebytes(ptr, sz);
+	}
+};
+
 struct Instance {
 	std::vector<Inlet> inlets;
 	std::vector<Outlet> outlets;
-	std::unique_ptr<char[]> kstate;
+	PdBytes kstate;
 	std::vector<float> outBuffer;
 };
 

          
@@ 213,12 245,11 @@ public:
 		outScratch.reset(new char[k->result_type_size]);
 	}
 
-	std::unique_ptr<char[]> ConstructInstance() {
-		auto space = std::unique_ptr<char[]>(new char[k->get_size()]);
-		memset(space.get(), 0, k->get_size());
+	PdBytes ConstructInstance() {
+		PdBytes space(k->get_size());
 		KReflect::Configure(*k, *this);
 		k->construct(space.get(), nullptr);
-		return std::move(space);
+		return space;
 	}
 
 	void AddConnections(t_wrapper* wrap) {