opencv/3rdparty/openexr/IlmImf/ImfAutoArray.h

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///////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2002, Industrial Light & Magic, a division of Lucas
// Digital Ltd. LLC
//
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// All rights reserved.
//
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// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * 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.
// * Neither the name of Industrial Light & Magic nor the names of
// its contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT
// OWNER 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.
//
///////////////////////////////////////////////////////////////////////////
#ifndef INCLUDED_IMF_AUTO_ARRAY_H
#define INCLUDED_IMF_AUTO_ARRAY_H
//-----------------------------------------------------------------------------
//
// class AutoArray -- a workaround for systems with
// insufficient stack space for large auto arrays.
//
//-----------------------------------------------------------------------------
#include "ImfNamespace.h"
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#include <string.h>
OPENEXR_IMF_INTERNAL_NAMESPACE_HEADER_ENTER
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#if !defined (HAVE_LARGE_STACK)
template <class T, int size>
class AutoArray
{
public:
AutoArray (): _data (new T [size]) { memset(_data, 0, size*sizeof(T)); }
~AutoArray () {delete [] _data;}
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operator T * () {return _data;}
operator const T * () const {return _data;}
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private:
T *_data;
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};
#else
template <class T, int size>
class AutoArray
{
public:
operator T * () {return _data;}
operator const T * () const {return _data;}
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private:
T _data[size];
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};
#endif
OPENEXR_IMF_INTERNAL_NAMESPACE_HEADER_EXIT
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#endif