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diff --git a/libxsd/xsd/cxx/xml/dom/auto-ptr.hxx b/libxsd/xsd/cxx/xml/dom/auto-ptr.hxx
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+// file      : xsd/cxx/xml/dom/auto-ptr.hxx
+// author    : Boris Kolpackov <boris@codesynthesis.com>
+// copyright : Copyright (c) 2005-2009 Code Synthesis Tools CC
+// license   : GNU GPL v2 + exceptions; see accompanying LICENSE file
+
+#ifndef XSD_CXX_XML_DOM_AUTO_PTR_HXX
+#define XSD_CXX_XML_DOM_AUTO_PTR_HXX
+
+namespace xsd
+{
+  namespace cxx
+  {
+    namespace xml
+    {
+      namespace dom
+      {
+        // Simple auto_ptr version that calls release() instead of delete.
+        //
+
+        template <typename T>
+        struct remove_c
+        {
+          typedef T r;
+        };
+
+        template <typename T>
+        struct remove_c<const T>
+        {
+          typedef T r;
+        };
+
+        template <typename T>
+        struct auto_ptr_ref
+        {
+          T* x_;
+
+          explicit
+          auto_ptr_ref (T* x)
+              : x_ (x)
+          {
+          }
+        };
+
+        template <typename T>
+        struct auto_ptr
+        {
+          ~auto_ptr ()
+          {
+            reset ();
+          }
+
+          explicit
+          auto_ptr (T* x = 0)
+              : x_ (x)
+          {
+          }
+
+          auto_ptr (auto_ptr& y)
+              : x_ (y.release ())
+          {
+          }
+
+          template <typename T2>
+          auto_ptr (auto_ptr<T2>& y)
+              : x_ (y.release ())
+          {
+          }
+
+          auto_ptr (auto_ptr_ref<T> r)
+              : x_ (r.x_)
+          {
+          }
+
+          auto_ptr&
+          operator= (auto_ptr& y)
+          {
+            if (x_ != y.x_)
+              reset (y.release ());
+
+            return *this;
+          }
+
+          template <typename T2>
+          auto_ptr&
+          operator= (auto_ptr<T2>& y)
+          {
+            if (x_ != y.x_)
+              reset (y.release ());
+
+            return *this;
+          }
+
+          auto_ptr&
+          operator= (auto_ptr_ref<T> r)
+          {
+            if (r.x_ != x_)
+              reset (r.x_);
+
+            return *this;
+          }
+
+          template <typename T2>
+          operator auto_ptr_ref<T2> ()
+          {
+            return auto_ptr_ref<T2> (release ());
+          }
+
+          template <typename T2>
+          operator auto_ptr<T2> ()
+          {
+            return auto_ptr<T2> (release ());
+          }
+
+        public:
+          T&
+          operator* () const
+          {
+            return *x_;
+          }
+
+          T*
+          operator-> () const
+          {
+            return x_;
+          }
+
+          T*
+          get () const
+          {
+            return x_;
+          }
+
+          T*
+          release ()
+          {
+            T* x (x_);
+            x_ = 0;
+            return x;
+          }
+
+          void
+          reset (T* x = 0)
+          {
+            if (x_)
+              const_cast<typename remove_c<T>::r*> (x_)->release ();
+
+            x_ = x;
+          }
+
+        private:
+          T* x_;
+        };
+      }
+    }
+  }
+}
+
+#endif // XSD_CXX_XML_DOM_AUTO_PTR_HXX