1///////////////////////////////////////////////////////////////////////////
2//
3// Copyright (c) 2002, Industrial Light & Magic, a division of Lucas
4// Digital Ltd. LLC
5//
6// All rights reserved.
7//
8// Redistribution and use in source and binary forms, with or without
9// modification, are permitted provided that the following conditions are
10// met:
11// *       Redistributions of source code must retain the above copyright
12// notice, this list of conditions and the following disclaimer.
13// *       Redistributions in binary form must reproduce the above
14// copyright notice, this list of conditions and the following disclaimer
15// in the documentation and/or other materials provided with the
16// distribution.
17// *       Neither the name of Industrial Light & Magic nor the names of
18// its contributors may be used to endorse or promote products derived
19// from this software without specific prior written permission.
20//
21// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
24// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
25// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
26// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
27// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
31// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32//
33///////////////////////////////////////////////////////////////////////////
34
35
36
37#ifndef INCLUDED_IMF_AUTO_ARRAY_H
38#define INCLUDED_IMF_AUTO_ARRAY_H
39
40//-----------------------------------------------------------------------------
41//
42//	class AutoArray -- a workaround for systems with
43//	insufficient stack space for large auto arrays.
44//
45//-----------------------------------------------------------------------------
46
47#include "OpenEXRConfig.h"
48
49namespace Imf {
50
51
52#if !defined (HAVE_LARGE_STACK)
53
54
55    template <class T, int size>
56    class AutoArray
57    {
58      public:
59
60	 AutoArray (): _data (new T [size]) {}
61	~AutoArray () {delete [] _data;}
62
63	operator T * ()			{return _data;}
64	operator const T * () const	{return _data;}
65
66      private:
67
68	T *_data;
69    };
70
71
72#else
73
74
75    template <class T, int size>
76    class AutoArray
77    {
78      public:
79
80	operator T * ()			{return _data;}
81	operator const T * () const	{return _data;}
82
83      private:
84
85	T _data[size];
86    };
87
88
89#endif
90
91} // namespace Imf
92
93#endif
94