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1 #ifndef BOOST_CHECKED_DELETE_HPP_INCLUDED
2 #define BOOST_CHECKED_DELETE_HPP_INCLUDED
3
4 // MS compatible compilers support #pragma once
5
6 #if defined(_MSC_VER) && (_MSC_VER >= 1020)
7 # pragma once
8 #endif
9
10 //
11 //  boost/checked_delete.hpp
12 //
13 //  Copyright (c) 2002, 2003 Peter Dimov
14 //  Copyright (c) 2003 Daniel Frey
15 //  Copyright (c) 2003 Howard Hinnant
16 //
17 //  Distributed under the Boost Software License, Version 1.0. (See
18 //  accompanying file LICENSE_1_0.txt or copy at
19 //  http://www.boost.org/LICENSE_1_0.txt)
20 //
21 //  See http://www.boost.org/libs/utility/checked_delete.html for documentation.
22 //
23
24 namespace boost
25 {
26
27 // verify that types are complete for increased safety
28
29 template<class T> inline void checked_delete(T * x)
30 {
31     // intentionally complex - simplification causes regressions
32     typedef char type_must_be_complete[ sizeof(T)? 1: -1 ];
33     (void) sizeof(type_must_be_complete);
34     delete x;
35 }
36
37 template<class T> inline void checked_array_delete(T * x)
38 {
39     typedef char type_must_be_complete[ sizeof(T)? 1: -1 ];
40     (void) sizeof(type_must_be_complete);
41     delete [] x;
42 }
43
44 template<class T> struct checked_deleter
45 {
46     typedef void result_type;
47     typedef T * argument_type;
48
49     void operator()(T * x) const
50     {
51         // boost:: disables ADL
52         boost::checked_delete(x);
53     }
54 };
55
56 template<class T> struct checked_array_deleter
57 {
58     typedef void result_type;
59     typedef T * argument_type;
60
61     void operator()(T * x) const
62     {
63         boost::checked_array_delete(x);
64     }
65 };
66
67 } // namespace boost
68
69 #endif  // #ifndef BOOST_CHECKED_DELETE_HPP_INCLUDED