/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This file is part of the Collabora Office 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 .
 */

#pragma once

#include <sal/config.h>

#include <osl/diagnose.h>
#include <sal/types.h>

namespace osl
{
template< class T >
class LongPathBuffer
{
    T* m_pBuffer;
    sal_uInt32 m_nCharNum;

    LongPathBuffer() = delete;
    LongPathBuffer(const LongPathBuffer&) = delete;
    LongPathBuffer& operator=(const LongPathBuffer&) = delete;

public:
    explicit LongPathBuffer( sal_uInt32 nCharNum )
    : m_pBuffer( static_cast<T*>( malloc( nCharNum * sizeof( T ) ) ) )
    , m_nCharNum( nCharNum )
    {
        OSL_ENSURE( m_pBuffer, "Can not allocate the buffer!" );
    }

    ~LongPathBuffer()
    {
        if ( m_pBuffer )
            free( m_pBuffer );
        m_pBuffer = nullptr;
    }

    sal_uInt32 getBufSizeInSymbols()
    {
        return m_nCharNum;
    }

    operator T* ()
    {
        return m_pBuffer;
    }

};

} // end namespace osl

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