Fixed buffer overflow.
[wine/multimedia.git] / dlls / dxdiagn / dxdiag_main.c
blob14d115687328aa0a2fd7157830d1fa5d109396ac
1 /*
2 * DXDiag
3 *
4 * Copyright 2004 Raphael Junqueira
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 #include "config.h"
23 #include "dxdiag_private.h"
24 #include "wine/debug.h"
26 WINE_DEFAULT_DEBUG_CHANNEL(dxdiag);
28 /* At process attach */
29 BOOL WINAPI DllMain(HINSTANCE hInstDLL, DWORD fdwReason, LPVOID lpvReserved)
31 TRACE("%p,%lx,%p\n", hInstDLL, fdwReason, lpvReserved);
32 if (fdwReason == DLL_PROCESS_ATTACH) {
33 DisableThreadLibraryCalls(hInstDLL);
35 return TRUE;
38 /*******************************************************************************
39 * DXDiag ClassFactory
41 typedef struct {
42 /* IUnknown fields */
43 ICOM_VFIELD(IClassFactory);
44 DWORD ref;
45 REFCLSID rclsid;
46 HRESULT (*pfnCreateInstanceFactory)(LPCLASSFACTORY iface, LPUNKNOWN punkOuter, REFIID riid, LPVOID *ppobj);
47 } IClassFactoryImpl;
49 static HRESULT WINAPI DXDiagCF_QueryInterface(LPCLASSFACTORY iface,REFIID riid,LPVOID *ppobj) {
50 ICOM_THIS(IClassFactoryImpl,iface);
52 FIXME("(%p)->(%s,%p),stub!\n",This,debugstr_guid(riid),ppobj);
53 return E_NOINTERFACE;
56 static ULONG WINAPI DXDiagCF_AddRef(LPCLASSFACTORY iface) {
57 ICOM_THIS(IClassFactoryImpl,iface);
58 return ++(This->ref);
61 static ULONG WINAPI DXDiagCF_Release(LPCLASSFACTORY iface) {
62 ICOM_THIS(IClassFactoryImpl,iface);
63 /* static class, won't be freed */
64 return --(This->ref);
67 static HRESULT WINAPI DXDiagCF_CreateInstance(LPCLASSFACTORY iface,LPUNKNOWN pOuter,REFIID riid,LPVOID *ppobj) {
68 ICOM_THIS(IClassFactoryImpl,iface);
70 TRACE("(%p)->(%p,%s,%p)\n",This,pOuter,debugstr_guid(riid),ppobj);
71 return This->pfnCreateInstanceFactory(iface, pOuter, riid, ppobj);
74 static HRESULT WINAPI DXDiagCF_LockServer(LPCLASSFACTORY iface,BOOL dolock) {
75 ICOM_THIS(IClassFactoryImpl,iface);
76 FIXME("(%p)->(%d),stub!\n",This,dolock);
77 return S_OK;
80 static ICOM_VTABLE(IClassFactory) DXDiagCF_Vtbl = {
81 ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
82 DXDiagCF_QueryInterface,
83 DXDiagCF_AddRef,
84 DXDiagCF_Release,
85 DXDiagCF_CreateInstance,
86 DXDiagCF_LockServer
89 static IClassFactoryImpl DXDiag_CFS[] = {
90 { &DXDiagCF_Vtbl, 1, &CLSID_DxDiagProvider, DXDiag_CreateDXDiagProvider },
91 { NULL, 0, NULL, NULL }
94 /***********************************************************************
95 * DllCanUnloadNow (DXDiag.@)
97 HRESULT WINAPI DllCanUnloadNow(void)
99 return S_FALSE;
102 /***********************************************************************
103 * DllGetClassObject (DXDiag.@)
105 HRESULT WINAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppv)
107 int i = 0;
109 TRACE("(%p,%p,%p)\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
110 while (NULL != DXDiag_CFS[i].rclsid) {
111 if (IsEqualGUID(rclsid, DXDiag_CFS[i].rclsid)) {
112 DXDiagCF_AddRef((IClassFactory*) &DXDiag_CFS[i]);
113 *ppv = &DXDiag_CFS[i];
114 return S_OK;
116 ++i;
119 FIXME("(%p,%p,%p): no interface found.\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
120 return CLASS_E_CLASSNOTAVAILABLE;