epoc32/include/stdapis/boost/checked_delete.hpp
author William Roberts <williamr@symbian.org>
Wed, 31 Mar 2010 12:33:34 +0100
branchSymbian3
changeset 4 837f303aceeb
permissions -rw-r--r--
Current Symbian^3 public API header files (from PDK 3.0.h)
This is the epoc32/include tree with the "platform" subtrees removed, and
all but a selected few mbg and rsg files removed.
     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