1 mike  1.2 //%2006////////////////////////////////////////////////////////////////////////
 2           //
 3           // Copyright (c) 2000, 2001, 2002 BMC Software; Hewlett-Packard Development
 4           // Company, L.P.; IBM Corp.; The Open Group; Tivoli Systems.
 5           // Copyright (c) 2003 BMC Software; Hewlett-Packard Development Company, L.P.;
 6           // IBM Corp.; EMC Corporation, The Open Group.
 7           // Copyright (c) 2004 BMC Software; Hewlett-Packard Development Company, L.P.;
 8           // IBM Corp.; EMC Corporation; VERITAS Software Corporation; The Open Group.
 9           // Copyright (c) 2005 Hewlett-Packard Development Company, L.P.; IBM Corp.;
10           // EMC Corporation; VERITAS Software Corporation; The Open Group.
11           // Copyright (c) 2006 Hewlett-Packard Development Company, L.P.; IBM Corp.;
12           // EMC Corporation; Symantec Corporation; The Open Group.
13           //
14           // Permission is hereby granted, free of charge, to any person obtaining a copy
15           // of this software and associated documentation files (the "Software"), to
16           // deal in the Software without restriction, including without limitation the
17           // rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
18           // sell copies of the Software, and to permit persons to whom the Software is
19           // furnished to do so, subject to the following conditions:
20           // 
21           // THE ABOVE COPYRIGHT NOTICE AND THIS PERMISSION NOTICE SHALL BE INCLUDED IN
22 mike  1.2 // ALL COPIES OR SUBSTANTIAL PORTIONS OF THE SOFTWARE. THE SOFTWARE IS PROVIDED
23           // "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT
24           // LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
25           // PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
26           // HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
27           // ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
28           // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
29           //
30           //==============================================================================
31           //
32           //%/////////////////////////////////////////////////////////////////////////////
33           
34           #ifndef _Pegasus_Common_Linkable_h
35           #define _Pegasus_Common_Linkable_h
36           
37           #include <Pegasus/Common/Config.h>
38           #include <Pegasus/Common/PegasusAssert.h>
39           #include <Pegasus/Common/Magic.h>
40           #include <cstring>
41           
42           PEGASUS_NAMESPACE_BEGIN
43 mike  1.2 
44           /** Non-virtual base class for anything that can be placed into a List.
45           */
46           struct Linkable
47           {
48               Linkable() : next(0), prev(0), list(0)
49               {
50               }
51           

52 kumpf 1.3     ~Linkable()

53 mike  1.2     {

54 kumpf 1.3         PEGASUS_DEBUG_ASSERT(magic);
55                   memset(this, 0xDD, sizeof(Linkable));

56 mike  1.2     }
57           
58               // ATTN: consider making private and fixing all places that have
59               // copy constructors.
60               Linkable(const Linkable&) : next(0), prev(0), list(0)
61               {
62               }
63           
64           #ifdef PEGASUS_DEBUG
65               Magic<0xEB1C2781> magic;
66           #endif
67               Linkable* next;
68               Linkable* prev;
69               // Backpointer to list that contains this element.
70               class ListRep* list;
71           };
72           
73           PEGASUS_NAMESPACE_END
74           
75           #endif /* _Pegasus_Common_Linkable_h */