1 martin 1.4 //%LICENSE////////////////////////////////////////////////////////////////

 2 martin 1.5 //

 3 martin 1.4 // Licensed to The Open Group (TOG) under one or more contributor license
 4            // agreements.  Refer to the OpenPegasusNOTICE.txt file distributed with
 5            // this work for additional information regarding copyright ownership.
 6            // Each contributor licenses this file to you under the OpenPegasus Open
 7            // Source License; you may not use this file except in compliance with the
 8            // License.

 9 martin 1.5 //

10 martin 1.4 // Permission is hereby granted, free of charge, to any person obtaining a
11            // copy of this software and associated documentation files (the "Software"),
12            // to deal in the Software without restriction, including without limitation
13            // the rights to use, copy, modify, merge, publish, distribute, sublicense,
14            // and/or sell copies of the Software, and to permit persons to whom the
15            // Software is furnished to do so, subject to the following conditions:

16 martin 1.5 //

17 martin 1.4 // The above copyright notice and this permission notice shall be included
18            // in all copies or substantial portions of the Software.

19 martin 1.5 //

20 martin 1.4 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS

21 martin 1.5 // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF

22 martin 1.4 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
23            // IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
24            // CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
25            // TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
26            // SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

27 martin 1.5 //

28 martin 1.4 //////////////////////////////////////////////////////////////////////////

29 mike   1.2 //
30            //%/////////////////////////////////////////////////////////////////////////////
31            
32            #ifndef _Pegasus_Common_Linkable_h
33            #define _Pegasus_Common_Linkable_h
34            
35            #include <Pegasus/Common/Config.h>
36            #include <Pegasus/Common/PegasusAssert.h>
37            #include <Pegasus/Common/Magic.h>
38            #include <cstring>
39            
40            PEGASUS_NAMESPACE_BEGIN
41            
42            /** Non-virtual base class for anything that can be placed into a List.
43            */
44            struct Linkable
45            {
46                Linkable() : next(0), prev(0), list(0)
47                {
48                }
49            

50 kumpf  1.3     ~Linkable()

51 mike   1.2     {

52 kumpf  1.3         PEGASUS_DEBUG_ASSERT(magic);
53                    memset(this, 0xDD, sizeof(Linkable));

54 mike   1.2     }
55            
56                // ATTN: consider making private and fixing all places that have
57                // copy constructors.
58                Linkable(const Linkable&) : next(0), prev(0), list(0)
59                {
60                }
61            
62            #ifdef PEGASUS_DEBUG
63                Magic<0xEB1C2781> magic;
64            #endif
65                Linkable* next;
66                Linkable* prev;
67                // Backpointer to list that contains this element.
68                class ListRep* list;
69            };
70            
71            PEGASUS_NAMESPACE_END
72            
73            #endif /* _Pegasus_Common_Linkable_h */