File: checked_delete.hpp

package info (click to toggle)
kwstyle 1.0.1%2Bgit3224cf2-1
  • links: PTS, VCS
  • area: main
  • in suites: buster, stretch
  • size: 45,404 kB
  • ctags: 145,645
  • sloc: cpp: 423,059; ansic: 9,347; xml: 588; sh: 102; php: 87; perl: 35; makefile: 7
file content (69 lines) | stat: -rw-r--r-- 1,588 bytes parent folder | download | duplicates (23)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
#ifndef BOOST_CORE_CHECKED_DELETE_HPP
#define BOOST_CORE_CHECKED_DELETE_HPP

// MS compatible compilers support #pragma once

#if defined(_MSC_VER) && (_MSC_VER >= 1020)
# pragma once
#endif

//
//  boost/checked_delete.hpp
//
//  Copyright (c) 2002, 2003 Peter Dimov
//  Copyright (c) 2003 Daniel Frey
//  Copyright (c) 2003 Howard Hinnant
//
//  Distributed under the Boost Software License, Version 1.0. (See
//  accompanying file LICENSE_1_0.txt or copy at
//  http://www.boost.org/LICENSE_1_0.txt)
//
//  See http://www.boost.org/libs/core/doc/html/core/checked_delete.html for documentation.
//

namespace boost
{

// verify that types are complete for increased safety

template<class T> inline void checked_delete(T * x)
{
    // intentionally complex - simplification causes regressions
    typedef char type_must_be_complete[ sizeof(T)? 1: -1 ];
    (void) sizeof(type_must_be_complete);
    delete x;
}

template<class T> inline void checked_array_delete(T * x)
{
    typedef char type_must_be_complete[ sizeof(T)? 1: -1 ];
    (void) sizeof(type_must_be_complete);
    delete [] x;
}

template<class T> struct checked_deleter
{
    typedef void result_type;
    typedef T * argument_type;

    void operator()(T * x) const
    {
        // boost:: disables ADL
        boost::checked_delete(x);
    }
};

template<class T> struct checked_array_deleter
{
    typedef void result_type;
    typedef T * argument_type;

    void operator()(T * x) const
    {
        boost::checked_array_delete(x);
    }
};

} // namespace boost

#endif  // #ifndef BOOST_CORE_CHECKED_DELETE_HPP