/usr/include/claw/smart_ptr.hpp is in libclaw-dev 1.7.0-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 | /*
CLAW - a C++ Library Absolutely Wonderful
CLAW is a free library without any particular aim but being useful to
anyone.
Copyright (C) 2005-2011 Julien Jorge
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
contact: julien.jorge@gamned.org
*/
/**
* \file smart_ptr.hpp
* \brief A pointer with a reference counter.
* \author Julien Jorge
*/
#ifndef __CLAW_SMART_PTR_HPP__
#define __CLAW_SMART_PTR_HPP__
namespace claw
{
namespace memory
{
/**
* \brief A pointer with a reference counter.
*
* Smart pointers allow the user to stop caring about the release of
* dynamically allocated memory. When no more pointers point to the
* allocated memory, this memory is released.
*
* \b Template \b parameters:
* - \a T The type of the pointed data.
*
* \author Julien Jorge
*/
template<typename T>
class smart_ptr
{
public:
/** \brief The type of the pointed data. */
typedef T value_type;
/** \brief The type of the current class. */
typedef smart_ptr<value_type> self_type;
/** \brief Reference on the type of the stored data. */
typedef T& reference;
/** \brief Pointer on the type of the stored data. */
typedef T* pointer;
/** \brief Constant reference on the type of the stored data. */
typedef const T& const_reference;
/** \brief Constant pointer on the type of the stored data. */
typedef const T* const const_pointer;
public:
smart_ptr();
smart_ptr( pointer data );
smart_ptr( const self_type& that );
~smart_ptr();
self_type& operator=( const self_type& that );
bool operator==( const self_type& that ) const;
bool operator!=( const self_type& that ) const;
bool operator<( const self_type& that ) const;
bool operator<=( const self_type& that ) const;
bool operator>( const self_type& that ) const;
bool operator>=( const self_type& that ) const;
pointer operator->();
pointer operator->() const;
reference operator*();
reference operator*() const;
private:
void copy( const self_type& that );
void release();
private:
/** \brief Number of smart_ptr pointing on this memory area. */
unsigned int* m_ref_count;
/** \brief The pointed item. */
pointer m_ptr;
}; // class smart_ptr
} // namespace memory
} // namespace claw
#include <claw/impl/smart_ptr.tpp>
#endif // __CLAW_SMART_PTR_HPP__
|