1 karl  1.7 //%2005////////////////////////////////////////////////////////////////////////

 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 chip  1.1 //
12           // Permission is hereby granted, free of charge, to any person obtaining a copy
13           // of this software and associated documentation files (the "Software"), to
14           // deal in the Software without restriction, including without limitation the
15           // rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
16           // sell copies of the Software, and to permit persons to whom the Software is
17           // furnished to do so, subject to the following conditions:

18 karl  1.5 // 

19 chip  1.1 // THE ABOVE COPYRIGHT NOTICE AND THIS PERMISSION NOTICE SHALL BE INCLUDED IN
20           // ALL COPIES OR SUBSTANTIAL PORTIONS OF THE SOFTWARE. THE SOFTWARE IS PROVIDED
21           // "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT
22           // LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
23           // PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
24           // HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
25           // ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
26           // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
27           //
28           //==============================================================================
29           //
30           // Author: Chip Vincent (cvincent@us.ibm.com)
31           //
32           // Modified By:
33           //
34           //%/////////////////////////////////////////////////////////////////////////////
35           
36           #include "DynamicLibrary.h"
37           
38           PEGASUS_NAMESPACE_BEGIN
39           

40 chip  1.2 Boolean DynamicLibrary::load(void)

41 chip  1.1 {

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

44 chip  1.1 

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

46 chip  1.1 

47 chip  1.4     _handle = LoadLibrary(cstr);

48 chip  1.1 

49 chip  1.4     return(isLoaded());

50 chip  1.1 }
51           

52 chip  1.2 Boolean DynamicLibrary::unload(void)

53 chip  1.1 {

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

60 chip  1.1 

61 chip  1.4     return(isLoaded());
62           }

63 chip  1.1 

64 chip  1.4 Boolean DynamicLibrary::isLoaded(void) const
65           {
66               return(_handle != 0);

67 chip  1.1 }
68           
69           DynamicLibrary::LIBRARY_SYMBOL DynamicLibrary::getSymbol(const String & symbolName)
70           {
71               LIBRARY_SYMBOL func = 0;
72           

73 chip  1.4     if(isLoaded())

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

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

79 chip  1.1     }
80           
81               return(func);
82           }
83           
84           PEGASUS_NAMESPACE_END