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