/usr/include/zim/smartptr.h is in libzim-dev 2.0.0-2build2.
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 | /*
* Copyright (C) 2005 Tommi Maekitalo
*
* 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.
*
* As a special exception, you may use this file as part of a free
* software library without restriction. Specifically, if other files
* instantiate templates or use macros or inline functions from this
* file, or you compile this file and link it with other files to
* produce an executable, this file does not by itself cause the
* resulting executable to be covered by the GNU General Public
* License. This exception does not however invalidate any other
* reasons why the executable file might be covered by the GNU Library
* General Public License.
*
* 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 Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef ZIM_SMARTPTR_H
#define ZIM_SMARTPTR_H
namespace zim
{
template <typename objectType>
class SmartPtr
{
objectType* object;
public:
SmartPtr()
: object(0)
{}
SmartPtr(objectType* ptr)
: object(ptr)
{ if (object) object->addRef(); }
SmartPtr(const SmartPtr& ptr)
: object(ptr.object)
{ if (object) object->addRef(); }
~SmartPtr()
{ if (object) object->release(); }
SmartPtr& operator= (const SmartPtr& ptr)
{
if (object != ptr.object)
{
if (object)
object->release();
object = ptr.object;
if (object)
object->addRef();
}
return *this;
}
/// The object can be dereferenced like the held object
objectType* operator->() const { return object; }
/// The object can be dereferenced like the held object
objectType& operator*() const { return *object; }
bool operator== (const objectType* p) const { return object == p; }
bool operator!= (const objectType* p) const { return object != p; }
bool operator< (const objectType* p) const { return object < p; }
bool operator! () const { return object == 0; }
operator bool () const { return object != 0; }
objectType* getPointer() { return object; }
const objectType* getPointer() const { return object; }
operator objectType* () { return object; }
operator const objectType* () const { return object; }
};
}
#endif // ZIM_SMARTPTR_H
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