//%/////////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2000, 2001, 2002 BMC Software, Hewlett-Packard Company, IBM,
// The Open Group, Tivoli Systems
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// THE ABOVE COPYRIGHT NOTICE AND THIS PERMISSION NOTICE SHALL BE INCLUDED IN
// ALL COPIES OR SUBSTANTIAL PORTIONS OF THE SOFTWARE. THE SOFTWARE IS PROVIDED
// "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT
// LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
// ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
//==============================================================================
//
// Author: Chip Vincent (cvincent@us.ibm.com)
//
// Modified By:
//
//%/////////////////////////////////////////////////////////////////////////////

#include "DynamicLibrary.h"

PEGASUS_NAMESPACE_BEGIN

Boolean DynamicLibrary::load(void)
{
    if(_handle == 0)
    {
        CString cstr = _fileName.getCString();

        _handle = ::LoadLibrary(cstr);
    }

    if(_handle != 0)
    {
        return(true);
    }

    return(false);
}

Boolean DynamicLibrary::unload(void)
{
    if(_handle != 0)
    {
        ::FreeLibrary(_handle);

        _handle = 0;
    }

    return(true);
}

DynamicLibrary::LIBRARY_SYMBOL DynamicLibrary::getSymbol(const String & symbolName)
{
    LIBRARY_SYMBOL func = 0;

    if(_handle != 0)
    {
        // convert Char16 data to ascii
        CString cstr = symbolName.getCString();

        func = (LIBRARY_SYMBOL)::GetProcAddress(_handle, (const char *)cstr);
    }

    return(func);
}

PEGASUS_NAMESPACE_END