1 karl  1.8 //%2006////////////////////////////////////////////////////////////////////////

 2 chip  1.1 //

 3 karl  1.6 // 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 karl  1.5 // IBM Corp.; EMC Corporation, The Open Group.

 7 karl  1.6 // Copyright (c) 2004 BMC Software; Hewlett-Packard Development Company, L.P.;
 8           // IBM Corp.; EMC Corporation; VERITAS Software Corporation; The Open Group.

 9 karl  1.7 // Copyright (c) 2005 Hewlett-Packard Development Company, L.P.; IBM Corp.;
10           // EMC Corporation; VERITAS Software Corporation; The Open Group.

11 karl  1.8 // Copyright (c) 2006 Hewlett-Packard Development Company, L.P.; IBM Corp.;
12           // EMC Corporation; Symantec Corporation; The Open Group.

13 chip  1.1 //
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 karl  1.5 // 

21 chip  1.1 // THE ABOVE COPYRIGHT NOTICE AND THIS PERMISSION NOTICE SHALL BE INCLUDED IN
22           // 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           // Author: Chip Vincent (cvincent@us.ibm.com)
33           //
34           // Modified By:
35           //
36           //%/////////////////////////////////////////////////////////////////////////////
37           
38           #include "DynamicLibrary.h"
39           
40           PEGASUS_NAMESPACE_BEGIN
41           

42 chip  1.2 Boolean DynamicLibrary::load(void)

43 chip  1.1 {

44 chip  1.4     // ensure the module is not already loaded
45               PEGASUS_ASSERT(isLoaded() == false);

46 chip  1.1 

47 chip  1.4     CString cstr = _fileName.getCString();

48 chip  1.1 

49 chip  1.4     _handle = LoadLibrary(cstr);

50 chip  1.1 

51 chip  1.4     return(isLoaded());

52 chip  1.1 }
53           

54 chip  1.2 Boolean DynamicLibrary::unload(void)

55 chip  1.1 {

56 chip  1.4     // ensure the module is loaded
57               PEGASUS_ASSERT(isLoaded() == true);
58           
59               FreeLibrary(_handle);
60           
61               _handle = 0;

62 chip  1.1 

63 chip  1.4     return(isLoaded());
64           }

65 chip  1.1 

66 chip  1.4 Boolean DynamicLibrary::isLoaded(void) const
67           {
68               return(_handle != 0);

69 chip  1.1 }
70           
71           DynamicLibrary::LIBRARY_SYMBOL DynamicLibrary::getSymbol(const String & symbolName)
72           {
73               LIBRARY_SYMBOL func = 0;
74           

75 chip  1.4     if(isLoaded())

76 chip  1.1     {
77                   // convert Char16 data to ascii
78                   CString cstr = symbolName.getCString();
79           

80 chip  1.4         func = (LIBRARY_SYMBOL)GetProcAddress(_handle, (const char *)cstr);

81 chip  1.1     }
82           
83               return(func);
84           }
85           
86           PEGASUS_NAMESPACE_END