ceph/src/boost/libs/asio/include/boost/asio/detail/scoped_ptr.hpp

   1 //
   2 // detail/scoped_ptr.hpp
   3 // ~~~~~~~~~~~~~~~~~~~~~
   4 //
   5 // Copyright (c) 2003-2016 Christopher M. Kohlhoff (chris at kohlhoff dot com)
   6 //
   7 // Distributed under the Boost Software License, Version 1.0. (See accompanying
   8 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   9 //
  10
  11 #ifndef BOOST_ASIO_DETAIL_SCOPED_PTR_HPP
  12 #define BOOST_ASIO_DETAIL_SCOPED_PTR_HPP
  13
  14 #if defined(_MSC_VER) && (_MSC_VER >= 1200)
  15 # pragma once
  16 #endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
  17
  18 #include <boost/asio/detail/config.hpp>
  19
  20 #include <boost/asio/detail/push_options.hpp>
  21
  22 namespace boost {
  23 namespace asio {
  24 namespace detail {
  25
  26 template <typename T>
  27 class scoped_ptr
  28 {
  29 public:
  30   // Constructor.
  31   explicit scoped_ptr(T* p = 0)
  32     : p_(p)
  33   {
  34   }
  35
  36   // Destructor.
  37   ~scoped_ptr()
  38   {
  39     delete p_;
  40   }
  41
  42   // Access.
  43   T* get()
  44   {
  45     return p_;
  46   }
  47
  48   // Access.
  49   T* operator->()
  50   {
  51     return p_;
  52   }
  53
  54   // Dereference.
  55   T& operator*()
  56   {
  57     return *p_;
  58   }
  59
  60   // Reset pointer.
  61   void reset(T* p = 0)
  62   {
  63     delete p_;
  64     p_ = p;
  65   }
  66
  67 private:
  68   // Disallow copying and assignment.
  69   scoped_ptr(const scoped_ptr&);
  70   scoped_ptr& operator=(const scoped_ptr&);
  71
  72   T* p_;
  73 };
  74
  75 } // namespace detail
  76 } // namespace asio
  77 } // namespace boost
  78
  79 #include <boost/asio/detail/pop_options.hpp>
  80
  81 #endif // BOOST_ASIO_DETAIL_SCOPED_PTR_HPP