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2 //
3 // Copyright (c) 2002, Industrial Light & Magic, a division of Lucas
4 // Digital Ltd. LLC
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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 
49 #if !defined (HAVE_LARGE_STACK)
50 #include <string.h>
51 #endif
52 
53 namespace Imf {
54 
55 
56 #if !defined (HAVE_LARGE_STACK)
57 
58 
59     template <class T, int size>
60     class AutoArray
61     {
62       public:
63 
AutoArray()64      AutoArray (): _data (new T [size]) { memset(_data, 0, size*sizeof(T)); }
~AutoArray()65     ~AutoArray () {delete [] _data;}
66 
67     operator T * ()			{return _data;}
68     operator const T * () const	{return _data;}
69 
70       private:
71 
72     T *_data;
73     };
74 
75 
76 #else
77 
78 
79     template <class T, int size>
80     class AutoArray
81     {
82       public:
83 
84     operator T * ()			{return _data;}
85     operator const T * () const	{return _data;}
86 
87       private:
88 
89     T _data[size];
90     };
91 
92 
93 #endif
94 
95 } // namespace Imf
96 
97 #endif
98