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diff --git a/include/o3tl/vector_pool.hxx b/include/o3tl/vector_pool.hxx
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+++ b/include/o3tl/vector_pool.hxx
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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#ifndef INCLUDED_O3TL_VECTOR_POOL_HXX
+#define INCLUDED_O3TL_VECTOR_POOL_HXX
+
+#include <vector>
+
+namespace o3tl
+{
+    namespace detail
+    {
+        template<typename ValueType, class Container> class simple_pool_impl :
+            public Container
+        {
+            typedef typename Container::value_type value_type;
+            std::ptrdiff_t mnFirstFreeIndex;
+
+        public:
+            simple_pool_impl() :
+                mnFirstFreeIndex(-1)
+            {}
+
+            std::ptrdiff_t alloc()
+            {
+                return store(ValueType());
+            }
+
+            std::ptrdiff_t store(const ValueType& rCopy)
+            {
+                if( mnFirstFreeIndex != -1 )
+                {
+                    std::ptrdiff_t nIdx=mnFirstFreeIndex;
+                    mnFirstFreeIndex = this->at(mnFirstFreeIndex).nextFree;
+                    this->at(nIdx).value = rCopy;
+                    this->at(nIdx).nextFree = -1;
+
+                    return nIdx;
+                }
+                else
+                {
+                    this->push_back(value_type(rCopy));
+                    return this->size()-1;
+                }
+            }
+
+            void free( std::ptrdiff_t nIdx )
+            {
+                this->at(nIdx).nextFree = mnFirstFreeIndex;
+                mnFirstFreeIndex = nIdx;
+            }
+
+            const ValueType& get( std::ptrdiff_t nIdx ) const
+            {
+                return this->operator[](nIdx).value;
+            }
+            ValueType& get( std::ptrdiff_t nIdx )
+            {
+                return this->operator[](nIdx).value;
+            }
+        };
+
+        template< typename ValueType > struct struct_from_value
+        {
+            struct type
+            {
+                type() :
+                    value(),
+                    nextFree(-1)
+                {}
+                explicit type( const ValueType& val ) :
+                    value(val),
+                    nextFree(-1)
+                {}
+
+                ValueType      value;
+                std::ptrdiff_t nextFree;
+            };
+        };
+    }
+
+    /** Simple vector-based memory pool allocator
+
+        This template can be used to provide simple pooled memory
+        allocation from a container class that adheres to the stl
+        random access container concept. Note that alloc/free works
+        with _indices_ into the container!
+
+        @example
+        <pre>
+vector_pool<type> myPool;
+int nIdx=myPool.alloc();
+myPool[nIdx] = myVal;
+ ... do stuff ...
+myPool.free(nIdx);
+        </pre>
+     */
+    template<typename ValueType> struct vector_pool :
+        public detail::simple_pool_impl<ValueType,
+                                       std::vector<typename detail::struct_from_value<ValueType>::type > >
+    {};
+}
+
+#endif /* INCLUDED_O3TL_VECTOR_POOL_HXX */
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */