office-gobmx/sal/systools/win32/uwinapi/DllGetVersion.cpp
2002-08-26 12:43:45 +00:00

102 lines
3.8 KiB
C++

/*************************************************************************
*
* $RCSfile: DllGetVersion.cpp,v $
*
* $Revision: 1.2 $
*
* last change: $Author: hro $ $Date: 2002-08-26 13:43:19 $
*
* The Contents of this file are made available subject to the terms of
* either of the following licenses
*
* - GNU Lesser General Public License Version 2.1
* - Sun Industry Standards Source License Version 1.1
*
* Sun Microsystems Inc., October, 2000
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2000 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*
* Sun Industry Standards Source License Version 1.1
* =================================================
* The contents of this file are subject to the Sun Industry Standards
* Source License Version 1.1 (the "License"); You may not use this file
* except in compliance with the License. You may obtain a copy of the
* License at http://www.openoffice.org/license.html.
*
* Software provided under this License is provided on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
* See the License for the specific provisions governing your rights and
* obligations concerning the Software.
*
* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
*
* Copyright: 2000 by Sun Microsystems, Inc.
*
* All Rights Reserved.
*
* Contributor(s): _______________________________________
*
*
************************************************************************/
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#include <shlwapi.h>
#include <malloc.h>
extern HMODULE UWINAPI_BaseAddress;
// This function should be exported by every DLL that wants to provide it's version number.
// This code automaticly generates the information from the version resource
extern "C" HRESULT CALLBACK DllGetVersion( DLLVERSIONINFO *pdvi )
{
TCHAR szModulePath[MAX_PATH];
BOOL fSuccess = FALSE;
if ( UWINAPI_BaseAddress && GetModuleFileName( UWINAPI_BaseAddress, szModulePath, MAX_PATH ) )
{
DWORD dwHandle = 0;
DWORD dwSize = GetFileVersionInfoSize( szModulePath, &dwHandle );
LPVOID lpData = _alloca( dwSize );
if ( GetFileVersionInfo( szModulePath, dwHandle, dwSize, lpData ) )
{
VS_FIXEDFILEINFO *lpBuffer = NULL;
UINT uLen = 0;
if ( VerQueryValue( lpData, TEXT("\\"), (LPVOID *)&lpBuffer, &uLen ) )
{
pdvi->dwMajorVersion = HIWORD( lpBuffer->dwFileVersionMS );
pdvi->dwMinorVersion = LOWORD( lpBuffer->dwFileVersionMS );
pdvi->dwBuildNumber = HIWORD( lpBuffer->dwFileVersionLS );
pdvi->dwPlatformID = (lpBuffer->dwFileOS & VOS_NT) ? DLLVER_PLATFORM_NT : DLLVER_PLATFORM_WINDOWS;
fSuccess = TRUE;
}
}
}
return fSuccess ? HRESULT_FROM_WIN32( GetLastError() ) : HRESULT_FROM_WIN32( NO_ERROR );
}