///////////////////////////////////////////////////////////////////////////

//

// Copyright (c) 2002, Industrial Light & Magic, a division of Lucas

// Digital Ltd. LLC

// 

// All rights reserved.

// 

// 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. 

// 

// 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"

#include <string.h>

OPENEXR_IMF_INTERNAL_NAMESPACE_HEADER_ENTER

#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;}

	operator T * ()			{return _data;}

	operator const T * () const	{return _data;}

      private:

	T *_data;

    };

#else

    template <class T, int size>

    class AutoArray

    {

      public:

	operator T * ()			{return _data;}

	operator const T * () const	{return _data;}

      private:

	T _data[size];

    };

#endif

OPENEXR_IMF_INTERNAL_NAMESPACE_HEADER_EXIT

#endif