Put size check before data dereference
[vlc/asuraparaju-public.git] / projects / activex / provideclassinfo.cpp
blobc5b97315d64d239c6d618f4a30c35499289b8a28
1 /*****************************************************************************
2 * provideclassinfo.cpp: ActiveX control for VLC
3 *****************************************************************************
4 * Copyright (C) 2005 the VideoLAN team
6 * Authors: Damien Fouilleul <Damien.Fouilleul@laposte.net>
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
21 *****************************************************************************/
23 #include "plugin.h"
24 #include "provideclassinfo.h"
26 using namespace std;
28 STDMETHODIMP VLCProvideClassInfo::GetClassInfo(ITypeInfo **ppTI)
30 ITypeLib *p_typelib;
32 if( NULL == ppTI )
33 return E_POINTER;
35 HRESULT hr = _p_instance->getTypeLib(LOCALE_NEUTRAL, &p_typelib);
36 if( SUCCEEDED(hr) )
38 hr = p_typelib->GetTypeInfoOfGuid(_p_instance->getClassID(), ppTI);
39 if( FAILED(hr) )
41 *ppTI = NULL;
43 p_typelib->Release();
45 return hr;
48 STDMETHODIMP VLCProvideClassInfo::GetGUID(DWORD dwGuidKind, GUID *pGUID)
50 if( GUIDKIND_DEFAULT_SOURCE_DISP_IID != dwGuidKind )
51 return E_INVALIDARG;
53 if( NULL == pGUID )
54 return E_POINTER;
56 *pGUID = _p_instance->getDispEventID();
58 return S_OK;