2 * CDE - Common Desktop Environment
4 * Copyright (c) 1993-2012, The Open Group. All rights reserved.
6 * These libraries and programs are free software; you can
7 * redistribute them and/or modify them under the terms of the GNU
8 * Lesser General Public License as published by the Free Software
9 * Foundation; either version 2 of the License, or (at your option)
12 * These libraries and programs are distributed in the hope that
13 * they will be useful, but WITHOUT ANY WARRANTY; without even the
14 * implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
15 * PURPOSE. See the GNU Lesser General Public License for more
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with these libraries and programs; if not, write
20 * to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
21 * Floor, Boston, MA 02110-1301 USA
23 /* $XConsortium: Owner.h /main/3 1996/08/13 14:30:51 mgreess $ */
24 // Copyright (c) 1994 James Clark
25 // See the file COPYING for copying permission.
27 #ifndef Owner_INCLUDED
28 #define Owner_INCLUDED 1
30 // A pointer that owns the object pointed to.
31 // T must be of class type.
32 // This is coded so that T need not yet have been defined.
35 namespace SP_NAMESPACE {
42 Owner(T *p) : p_(p) { }
44 void operator=(T *p) {
48 operator int() const { return p_ != 0; }
49 T *pointer() const { return p_; }
50 T *operator->() const { return p_; }
51 T &operator*() const { return *p_; }
52 void swap(Owner<T> &x) {
69 Owner(const Owner<T> &) {}
70 void operator=(const Owner<T> &) {}
79 #endif /* not Owner_INCLUDED */
81 #ifdef SP_DEFINE_TEMPLATES