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diff --git a/unit/atf-src/atf-c++/detail/auto_array.hpp b/unit/atf-src/atf-c++/detail/auto_array.hpp
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+++ b/unit/atf-src/atf-c++/detail/auto_array.hpp
@@ -0,0 +1,175 @@
+// Copyright (c) 2007 The NetBSD Foundation, Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions
+// are met:
+// 1. Redistributions of source code must retain the above copyright
+//    notice, this list of conditions and the following disclaimer.
+// 2. Redistributions in binary form must reproduce the above copyright
+//    notice, this list of conditions and the following disclaimer in the
+//    documentation and/or other materials provided with the distribution.
+//
+// THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND
+// CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
+// INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+// IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY
+// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+// GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
+// IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+// OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+// IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#if !defined(ATF_CXX_DETAIL_AUTO_ARRAY_HPP)
+#define ATF_CXX_DETAIL_AUTO_ARRAY_HPP
+
+#include <cstddef>
+
+namespace atf {
+
+// ------------------------------------------------------------------------
+// The "auto_array" class.
+// ------------------------------------------------------------------------
+
+template< class T >
+struct auto_array_ref {
+    T* m_ptr;
+
+    explicit auto_array_ref(T*);
+};
+
+template< class T >
+auto_array_ref< T >::auto_array_ref(T* ptr) :
+    m_ptr(ptr)
+{
+}
+
+template< class T >
+class auto_array {
+    T* m_ptr;
+
+public:
+    auto_array(T* = NULL) throw();
+    auto_array(auto_array< T >&) throw();
+    auto_array(auto_array_ref< T >) throw();
+    ~auto_array(void) throw();
+
+    T* get(void) throw();
+    const T* get(void) const throw();
+    T* release(void) throw();
+    void reset(T* = NULL) throw();
+
+    auto_array< T >& operator=(auto_array< T >&) throw();
+    auto_array< T >& operator=(auto_array_ref< T >) throw();
+
+    T& operator[](int) throw();
+    operator auto_array_ref< T >(void) throw();
+};
+
+template< class T >
+auto_array< T >::auto_array(T* ptr)
+    throw() :
+    m_ptr(ptr)
+{
+}
+
+template< class T >
+auto_array< T >::auto_array(auto_array< T >& ptr)
+    throw() :
+    m_ptr(ptr.release())
+{
+}
+
+template< class T >
+auto_array< T >::auto_array(auto_array_ref< T > ref)
+    throw() :
+    m_ptr(ref.m_ptr)
+{
+}
+
+template< class T >
+auto_array< T >::~auto_array(void)
+    throw()
+{
+    if (m_ptr != NULL)
+        delete [] m_ptr;
+}
+
+template< class T >
+T*
+auto_array< T >::get(void)
+    throw()
+{
+    return m_ptr;
+}
+
+template< class T >
+const T*
+auto_array< T >::get(void)
+    const throw()
+{
+    return m_ptr;
+}
+
+template< class T >
+T*
+auto_array< T >::release(void)
+    throw()
+{
+    T* ptr = m_ptr;
+    m_ptr = NULL;
+    return ptr;
+}
+
+template< class T >
+void
+auto_array< T >::reset(T* ptr)
+    throw()
+{
+    if (m_ptr != NULL)
+        delete [] m_ptr;
+    m_ptr = ptr;
+}
+
+template< class T >
+auto_array< T >&
+auto_array< T >::operator=(auto_array< T >& ptr)
+    throw()
+{
+    reset(ptr.release());
+    return *this;
+}
+
+template< class T >
+auto_array< T >&
+auto_array< T >::operator=(auto_array_ref< T > ref)
+    throw()
+{
+    if (m_ptr != ref.m_ptr) {
+        delete [] m_ptr;
+        m_ptr = ref.m_ptr;
+    }
+    return *this;
+}
+
+template< class T >
+T&
+auto_array< T >::operator[](int pos)
+    throw()
+{
+    return m_ptr[pos];
+}
+
+template< class T >
+auto_array< T >::operator auto_array_ref< T >(void)
+    throw()
+{
+    return auto_array_ref< T >(release());
+}
+
+} // namespace atf
+
+#endif // !defined(ATF_CXX_DETAIL_AUTO_ARRAY_HPP)