sal/osl/w32/path_helper.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
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   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
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   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
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  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #ifndef INCLUDED_SAL_OSL_W32_PATH_HELPER_HXX
  21 #define INCLUDED_SAL_OSL_W32_PATH_HELPER_HXX
  22
  23 #include <sal/config.h>
  24
  25 #include <osl/diagnose.h>
  26 #include <sal/types.h>
  27
  28 namespace osl
  29 {
  30 template< class T >
  31 class LongPathBuffer
  32 {
  33     T* m_pBuffer;
  34     sal_uInt32 m_nCharNum;
  35
  36     LongPathBuffer() = delete;
  37     LongPathBuffer(const LongPathBuffer&) = delete;
  38     LongPathBuffer& operator=(const LongPathBuffer&) = delete;
  39
  40 public:
  41     explicit LongPathBuffer( sal_uInt32 nCharNum )
  42     : m_pBuffer( static_cast<T*>( malloc( nCharNum * sizeof( T ) ) ) )
  43     , m_nCharNum( nCharNum )
  44     {
  45         OSL_ENSURE( m_pBuffer, "Can not allocate the buffer!" );
  46     }
  47
  48     ~LongPathBuffer()
  49     {
  50         if ( m_pBuffer )
  51             free( m_pBuffer );
  52         m_pBuffer = nullptr;
  53     }
  54
  55     sal_uInt32 getBufSizeInSymbols()
  56     {
  57         return m_nCharNum;
  58     }
  59
  60     operator T* ()
  61     {
  62         return m_pBuffer;
  63     }
  64
  65 };
  66
  67 } // end namespace osl
  68
  69 #endif
  70
  71 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */