1 karl  1.5 //%2003////////////////////////////////////////////////////////////////////////

 2 chip  1.1 //

 3 karl  1.5 // 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 chip  1.1 //
 8           // Permission is hereby granted, free of charge, to any person obtaining a copy
 9           // of this software and associated documentation files (the "Software"), to
10           // deal in the Software without restriction, including without limitation the
11           // rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
12           // sell copies of the Software, and to permit persons to whom the Software is
13           // furnished to do so, subject to the following conditions:

14 karl  1.5 // 

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

36 chip  1.2 Boolean DynamicLibrary::load(void)

37 chip  1.1 {

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

40 chip  1.1 

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

42 chip  1.1 

43 chip  1.4     _handle = LoadLibrary(cstr);

44 chip  1.1 

45 chip  1.4     return(isLoaded());

46 chip  1.1 }
47           

48 chip  1.2 Boolean DynamicLibrary::unload(void)

49 chip  1.1 {

50 chip  1.4     // ensure the module is loaded
51               PEGASUS_ASSERT(isLoaded() == true);
52           
53               FreeLibrary(_handle);
54           
55               _handle = 0;

56 chip  1.1 

57 chip  1.4     return(isLoaded());
58           }

59 chip  1.1 

60 chip  1.4 Boolean DynamicLibrary::isLoaded(void) const
61           {
62               return(_handle != 0);

63 chip  1.1 }
64           
65           DynamicLibrary::LIBRARY_SYMBOL DynamicLibrary::getSymbol(const String & symbolName)
66           {
67               LIBRARY_SYMBOL func = 0;
68           

69 chip  1.4     if(isLoaded())

70 chip  1.1     {
71                   // convert Char16 data to ascii
72                   CString cstr = symbolName.getCString();
73           

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

75 chip  1.1     }
76           
77               return(func);
78           }
79           
80           PEGASUS_NAMESPACE_END