ImfAutoArray.h

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//
// Copyright (c) 2002, Industrial Light & Magic, a division of Lucas
// Digital Ltd. LLC
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#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 "OpenEXRConfig.h"

#if !defined (HAVE_LARGE_STACK)
#include <string.h>
#endif

namespace Imf {


#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

} // namespace Imf

#endif