dlls/mshtml/main.c

   1 /*
   2  *    MSHTML Class Factory
   3  *
   4  * Copyright 2002 Lionel Ulmer
   5  * Copyright 2003 Mike McCormack
   6  * Copyright 2005 Jacek Caban
   7  *
   8  * This library is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License as published by the Free Software Foundation; either
  11  * version 2.1 of the License, or (at your option) any later version.
  12  *
  13  * This library 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 GNU
  16  * Lesser General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public
  19  * License along with this library; if not, write to the Free Software
  20  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  21  */
  22
  23 #include <stdarg.h>
  24 #include <stdio.h>
  25
  26 #define COBJMACROS
  27
  28 #include "windef.h"
  29 #include "winbase.h"
  30 #include "winuser.h"
  31 #include "winreg.h"
  32 #include "ole2.h"
  33 #include "advpub.h"
  34 #include "shlwapi.h"
  35 #include "optary.h"
  36 #include "rpcproxy.h"
  37 #include "shlguid.h"
  38
  39 #include "wine/debug.h"
  40
  41 #define INIT_GUID
  42 #include "mshtml_private.h"
  43 #include "resource.h"
  44
  45 WINE_DEFAULT_DEBUG_CHANNEL(mshtml);
  46
  47 HINSTANCE hInst;
  48 DWORD mshtml_tls = TLS_OUT_OF_INDEXES;
  49
  50 static HINSTANCE shdoclc = NULL;
  51 static HDC display_dc;
  52 static WCHAR *status_strings[IDS_STATUS_LAST-IDS_STATUS_FIRST+1];
  53
  54 static void thread_detach(void)
  55 {
  56     thread_data_t *thread_data;
  57
  58     thread_data = get_thread_data(FALSE);
  59     if(!thread_data)
  60         return;
  61
  62     if(thread_data->thread_hwnd)
  63         DestroyWindow(thread_data->thread_hwnd);
  64
  65     heap_free(thread_data);
  66 }
  67
  68 static void free_strings(void)
  69 {
  70     int i;
  71     for(i = 0; i < sizeof(status_strings)/sizeof(*status_strings); i++)
  72         heap_free(status_strings[i]);
  73 }
  74
  75 static void process_detach(void)
  76 {
  77     close_gecko();
  78     release_typelib();
  79
  80     if(shdoclc)
  81         FreeLibrary(shdoclc);
  82     if(mshtml_tls != TLS_OUT_OF_INDEXES)
  83         TlsFree(mshtml_tls);
  84     if(display_dc)
  85         DeleteObject(display_dc);
  86
  87     free_strings();
  88 }
  89
  90 void set_statustext(HTMLDocumentObj* doc, INT id, LPCWSTR arg)
  91 {
  92     int index = id - IDS_STATUS_FIRST;
  93     WCHAR *p = status_strings[index];
  94     DWORD len;
  95
  96     if(!doc->frame)
  97         return;
  98
  99     if(!p) {
 100         len = 255;
 101         p = heap_alloc(len * sizeof(WCHAR));
 102         len = LoadStringW(hInst, id, p, len) + 1;
 103         p = heap_realloc(p, len * sizeof(WCHAR));
 104         if(InterlockedCompareExchangePointer((void**)&status_strings[index], p, NULL)) {
 105             heap_free(p);
 106             p = status_strings[index];
 107         }
 108     }
 109
 110     if(arg) {
 111         WCHAR *buf;
 112
 113         len = lstrlenW(p) + lstrlenW(arg) - 1;
 114         buf = heap_alloc(len * sizeof(WCHAR));
 115
 116         snprintfW(buf, len, p, arg);
 117
 118         p = buf;
 119     }
 120
 121     IOleInPlaceFrame_SetStatusText(doc->frame, p);
 122
 123     if(arg)
 124         heap_free(p);
 125 }
 126
 127 HRESULT do_query_service(IUnknown *unk, REFGUID guid_service, REFIID riid, void **ppv)
 128 {
 129     IServiceProvider *sp;
 130     HRESULT hres;
 131
 132     hres = IUnknown_QueryInterface(unk, &IID_IServiceProvider, (void**)&sp);
 133     if(FAILED(hres))
 134         return hres;
 135
 136     hres = IServiceProvider_QueryService(sp, guid_service, riid, ppv);
 137     IServiceProvider_Release(sp);
 138     return hres;
 139 }
 140
 141 HINSTANCE get_shdoclc(void)
 142 {
 143     static const WCHAR wszShdoclc[] =
 144         {'s','h','d','o','c','l','c','.','d','l','l',0};
 145
 146     if(shdoclc)
 147         return shdoclc;
 148
 149     return shdoclc = LoadLibraryExW(wszShdoclc, NULL, LOAD_LIBRARY_AS_DATAFILE);
 150 }
 151
 152 HDC get_display_dc(void)
 153 {
 154     static const WCHAR displayW[] = {'D','I','S','P','L','A','Y',0};
 155
 156     if(!display_dc) {
 157         HDC hdc;
 158
 159         hdc = CreateICW(displayW, NULL, NULL, NULL);
 160         if(InterlockedCompareExchangePointer((void**)&display_dc, hdc, NULL))
 161             DeleteObject(hdc);
 162     }
 163
 164     return display_dc;
 165 }
 166
 167 BOOL WINAPI DllMain(HINSTANCE hInstDLL, DWORD fdwReason, LPVOID lpv)
 168 {
 169     switch(fdwReason) {
 170     case DLL_PROCESS_ATTACH:
 171         hInst = hInstDLL;
 172         break;
 173     case DLL_PROCESS_DETACH:
 174         process_detach();
 175         break;
 176     case DLL_THREAD_DETACH:
 177         thread_detach();
 178         break;
 179     }
 180     return TRUE;
 181 }
 182
 183 /***********************************************************
 184  *    ClassFactory implementation
 185  */
 186 typedef HRESULT (*CreateInstanceFunc)(IUnknown*,REFIID,void**);
 187 typedef struct {
 188     IClassFactory IClassFactory_iface;
 189     LONG ref;
 190     CreateInstanceFunc fnCreateInstance;
 191 } ClassFactory;
 192
 193 static inline ClassFactory *impl_from_IClassFactory(IClassFactory *iface)
 194 {
 195     return CONTAINING_RECORD(iface, ClassFactory, IClassFactory_iface);
 196 }
 197
 198 static HRESULT WINAPI ClassFactory_QueryInterface(IClassFactory *iface, REFGUID riid, void **ppvObject)
 199 {
 200     if(IsEqualGUID(&IID_IClassFactory, riid) || IsEqualGUID(&IID_IUnknown, riid)) {
 201         IClassFactory_AddRef(iface);
 202         *ppvObject = iface;
 203         return S_OK;
 204     }
 205
 206     WARN("not supported iid %s\n", debugstr_guid(riid));
 207     *ppvObject = NULL;
 208     return E_NOINTERFACE;
 209 }
 210
 211 static ULONG WINAPI ClassFactory_AddRef(IClassFactory *iface)
 212 {
 213     ClassFactory *This = impl_from_IClassFactory(iface);
 214     ULONG ref = InterlockedIncrement(&This->ref);
 215     TRACE("(%p) ref = %u\n", This, ref);
 216     return ref;
 217 }
 218
 219 static ULONG WINAPI ClassFactory_Release(IClassFactory *iface)
 220 {
 221     ClassFactory *This = impl_from_IClassFactory(iface);
 222     ULONG ref = InterlockedDecrement(&This->ref);
 223
 224     TRACE("(%p) ref = %u\n", This, ref);
 225
 226     if(!ref) {
 227         heap_free(This);
 228     }
 229
 230     return ref;
 231 }
 232
 233 static HRESULT WINAPI ClassFactory_CreateInstance(IClassFactory *iface, IUnknown *pUnkOuter,
 234         REFIID riid, void **ppvObject)
 235 {
 236     ClassFactory *This = impl_from_IClassFactory(iface);
 237     return This->fnCreateInstance(pUnkOuter, riid, ppvObject);
 238 }
 239
 240 static HRESULT WINAPI ClassFactory_LockServer(IClassFactory *iface, BOOL dolock)
 241 {
 242     TRACE("(%p)->(%x)\n", iface, dolock);
 243
 244     /* We never unload the DLL. See DllCanUnloadNow(). */
 245     return S_OK;
 246 }
 247
 248 static const IClassFactoryVtbl HTMLClassFactoryVtbl = {
 249     ClassFactory_QueryInterface,
 250     ClassFactory_AddRef,
 251     ClassFactory_Release,
 252     ClassFactory_CreateInstance,
 253     ClassFactory_LockServer
 254 };
 255
 256 static HRESULT ClassFactory_Create(REFIID riid, void **ppv, CreateInstanceFunc fnCreateInstance)
 257 {
 258     ClassFactory *ret = heap_alloc(sizeof(ClassFactory));
 259     HRESULT hres;
 260
 261     ret->IClassFactory_iface.lpVtbl = &HTMLClassFactoryVtbl;
 262     ret->ref = 0;
 263     ret->fnCreateInstance = fnCreateInstance;
 264
 265     hres = IClassFactory_QueryInterface(&ret->IClassFactory_iface, riid, ppv);
 266     if(FAILED(hres)) {
 267         heap_free(ret);
 268         *ppv = NULL;
 269     }
 270     return hres;
 271 }
 272
 273 /******************************************************************
 274  *              DllGetClassObject (MSHTML.@)
 275  */
 276 HRESULT WINAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppv)
 277 {
 278     if(IsEqualGUID(&CLSID_HTMLDocument, rclsid)) {
 279         TRACE("(CLSID_HTMLDocument %s %p)\n", debugstr_guid(riid), ppv);
 280         return ClassFactory_Create(riid, ppv, HTMLDocument_Create);
 281     }else if(IsEqualGUID(&CLSID_AboutProtocol, rclsid)) {
 282         TRACE("(CLSID_AboutProtocol %s %p)\n", debugstr_guid(riid), ppv);
 283         return ProtocolFactory_Create(rclsid, riid, ppv);
 284     }else if(IsEqualGUID(&CLSID_JSProtocol, rclsid)) {
 285         TRACE("(CLSID_JSProtocol %s %p)\n", debugstr_guid(riid), ppv);
 286         return ProtocolFactory_Create(rclsid, riid, ppv);
 287     }else if(IsEqualGUID(&CLSID_MailtoProtocol, rclsid)) {
 288         TRACE("(CLSID_MailtoProtocol %s %p)\n", debugstr_guid(riid), ppv);
 289         return ProtocolFactory_Create(rclsid, riid, ppv);
 290     }else if(IsEqualGUID(&CLSID_ResProtocol, rclsid)) {
 291         TRACE("(CLSID_ResProtocol %s %p)\n", debugstr_guid(riid), ppv);
 292         return ProtocolFactory_Create(rclsid, riid, ppv);
 293     }else if(IsEqualGUID(&CLSID_SysimageProtocol, rclsid)) {
 294         TRACE("(CLSID_SysimageProtocol %s %p)\n", debugstr_guid(riid), ppv);
 295         return ProtocolFactory_Create(rclsid, riid, ppv);
 296     }else if(IsEqualGUID(&CLSID_HTMLLoadOptions, rclsid)) {
 297         TRACE("(CLSID_HTMLLoadOptions %s %p)\n", debugstr_guid(riid), ppv);
 298         return ClassFactory_Create(riid, ppv, HTMLLoadOptions_Create);
 299     }
 300
 301     FIXME("Unknown class %s\n", debugstr_guid(rclsid));
 302     return CLASS_E_CLASSNOTAVAILABLE;
 303 }
 304
 305 /******************************************************************
 306  *              DllCanUnloadNow (MSHTML.@)
 307  */
 308 HRESULT WINAPI DllCanUnloadNow(void)
 309 {
 310     TRACE("()\n");
 311     /* The cost of keeping this DLL in memory is small. */
 312     return S_FALSE;
 313 }
 314
 315 /***********************************************************************
 316  *          RunHTMLApplication (MSHTML.@)
 317  *
 318  * Appears to have the same prototype as WinMain.
 319  */
 320 HRESULT WINAPI RunHTMLApplication( HINSTANCE hinst, HINSTANCE hPrevInst,
 321                                LPSTR szCmdLine, INT nCmdShow )
 322 {
 323     FIXME("%p %p %s %d\n", hinst, hPrevInst, debugstr_a(szCmdLine), nCmdShow );
 324     return 0;
 325 }
 326
 327 /***********************************************************************
 328  *          RNIGetCompatibleVersion (MSHTML.@)
 329  */
 330 DWORD WINAPI RNIGetCompatibleVersion(void)
 331 {
 332     TRACE("()\n");
 333     return 0x20000;
 334 }
 335
 336 /***********************************************************************
 337  *          DllInstall (MSHTML.@)
 338  */
 339 HRESULT WINAPI DllInstall(BOOL bInstall, LPCWSTR cmdline)
 340 {
 341     FIXME("stub %d %s: returning S_OK\n", bInstall, debugstr_w(cmdline));
 342     return S_OK;
 343 }
 344
 345 /***********************************************************************
 346  *          ShowHTMLDialog (MSHTML.@)
 347  */
 348 HRESULT WINAPI ShowHTMLDialog(HWND hwndParent, IMoniker *pMk, VARIANT *pvarArgIn,
 349         WCHAR *pchOptions, VARIANT *pvarArgOut)
 350 {
 351     FIXME("(%p %p %p %s %p)\n", hwndParent, pMk, pvarArgIn, debugstr_w(pchOptions), pvarArgOut);
 352     return E_NOTIMPL;
 353 }
 354
 355 /***********************************************************************
 356  *          PrintHTML (MSHTML.@)
 357  */
 358 void WINAPI PrintHTML(HWND hwnd, HINSTANCE handle, LPCSTR cmdline, INT show)
 359 {
 360     FIXME("(%p %p %s %x)\n", hwnd, handle, debugstr_a(cmdline), show);
 361 }
 362
 363 DEFINE_GUID(CLSID_CBackgroundPropertyPage, 0x3050F232, 0x98B5, 0x11CF, 0xBB,0x82, 0x00,0xAA,0x00,0xBD,0xCE,0x0B);
 364 DEFINE_GUID(CLSID_CCDAnchorPropertyPage, 0x3050F1FC, 0x98B5, 0x11CF, 0xBB,0x82, 0x00,0xAA,0x00,0xBD,0xCE,0x0B);
 365 DEFINE_GUID(CLSID_CCDGenericPropertyPage, 0x3050F17F, 0x98B5, 0x11CF, 0xBB,0x82, 0x00,0xAA,0x00,0xBD,0xCE,0x0B);
 366 DEFINE_GUID(CLSID_CDwnBindInfo, 0x3050F3C2, 0x98B5, 0x11CF, 0xBB,0x82, 0x00,0xAA,0x00,0xBD,0xCE,0x0B);
 367 DEFINE_GUID(CLSID_CHiFiUses, 0x5AAF51B3, 0xB1F0, 0x11D1, 0xB6,0xAB, 0x00,0xA0,0xC9,0x08,0x33,0xE9);
 368 DEFINE_GUID(CLSID_CHtmlComponentConstructor, 0x3050F4F8, 0x98B5, 0x11CF, 0xBB,0x82, 0x00,0xAA,0x00,0xBD,0xCE,0x0B);
 369 DEFINE_GUID(CLSID_CInlineStylePropertyPage, 0x3050F296, 0x98B5, 0x11CF, 0xBB,0x82, 0x00,0xAA,0x00,0xBD,0xCE,0x0B);
 370 DEFINE_GUID(CLSID_CPeerHandler, 0x5AAF51B2, 0xB1F0, 0x11D1, 0xB6,0xAB, 0x00,0xA0,0xC9,0x08,0x33,0xE9);
 371 DEFINE_GUID(CLSID_CRecalcEngine, 0x3050F499, 0x98B5, 0x11CF, 0xBB,0x82, 0x00,0xAA,0x00,0xBD,0xCE,0x0B);
 372 DEFINE_GUID(CLSID_CSvrOMUses, 0x3050F4F0, 0x98B5, 0x11CF, 0xBB,0x82, 0x00,0xAA,0x00,0xBD,0xCE,0x0B);
 373 DEFINE_GUID(CLSID_CrSource, 0x65014010, 0x9F62, 0x11D1, 0xA6,0x51, 0x00,0x60,0x08,0x11,0xD5,0xCE);
 374 DEFINE_GUID(CLSID_ExternalFrameworkSite, 0x3050F163, 0x98B5, 0x11CF, 0xBB,0x82, 0x00,0xAA,0x00,0xBD,0xCE,0x0B);
 375 DEFINE_GUID(CLSID_HTADocument, 0x3050F5C8, 0x98B5, 0x11CF, 0xBB,0x82, 0x00,0xAA,0x00,0xBD,0xCE,0x0B);
 376 DEFINE_GUID(CLSID_HTMLPluginDocument, 0x25336921, 0x03F9, 0x11CF, 0x8F,0xD0, 0x00,0xAA,0x00,0x68,0x6F,0x13);
 377 DEFINE_GUID(CLSID_HTMLPopup, 0x3050F667, 0x98B5, 0x11CF, 0xBB,0x82, 0x00,0xAA,0x00,0xBD,0xCE,0x0B);
 378 DEFINE_GUID(CLSID_HTMLPopupDoc, 0x3050F67D, 0x98B5, 0x11CF, 0xBB,0x82, 0x00,0xAA,0x00,0xBD,0xCE,0x0B);
 379 DEFINE_GUID(CLSID_HTMLServerDoc, 0x3050F4E7, 0x98B5, 0x11CF, 0xBB,0x82, 0x00,0xAA,0x00,0xBD,0xCE,0x0B);
 380 DEFINE_GUID(CLSID_IImageDecodeFilter, 0x607FD4E8, 0x0A03, 0x11D1, 0xAB,0x1D, 0x00,0xC0,0x4F,0xC9,0xB3,0x04);
 381 DEFINE_GUID(CLSID_IImgCtx, 0x3050F3D6, 0x98B5, 0x11CF, 0xBB,0x82, 0x00,0xAA,0x00,0xBD,0xCE,0x0B);
 382 DEFINE_GUID(CLSID_IntDitherer, 0x05F6FE1A, 0xECEF, 0x11D0, 0xAA,0xE7, 0x00,0xC0,0x4F,0xC9,0xB3,0x04);
 383 DEFINE_GUID(CLSID_MHTMLDocument, 0x3050F3D9, 0x98B5, 0x11CF, 0xBB,0x82, 0x00,0xAA,0x00,0xBD,0xCE,0x0B);
 384 DEFINE_GUID(CLSID_TridentAPI, 0x429AF92C, 0xA51F, 0x11D2, 0x86,0x1E, 0x00,0xC0,0x4F,0xA3,0x5C,0x89);
 385
 386 #define INF_SET_ID(id)            \
 387     do                            \
 388     {                             \
 389         static CHAR name[] = #id; \
 390                                   \
 391         pse[i].pszName = name;    \
 392         clsids[i++] = &id;        \
 393     } while (0)
 394
 395 #define INF_SET_CLSID(clsid) INF_SET_ID(CLSID_ ## clsid)
 396
 397 static HRESULT register_server(BOOL do_register)
 398 {
 399     HRESULT hres;
 400     HMODULE hAdvpack;
 401     HRESULT (WINAPI *pRegInstall)(HMODULE hm, LPCSTR pszSection, const STRTABLEA* pstTable);
 402     STRTABLEA strtable;
 403     STRENTRYA pse[35];
 404     static CLSID const *clsids[35];
 405     unsigned int i = 0;
 406
 407     static const WCHAR wszAdvpack[] = {'a','d','v','p','a','c','k','.','d','l','l',0};
 408
 409     TRACE("(%x)\n", do_register);
 410
 411     INF_SET_CLSID(AboutProtocol);
 412     INF_SET_CLSID(CAnchorBrowsePropertyPage);
 413     INF_SET_CLSID(CBackgroundPropertyPage);
 414     INF_SET_CLSID(CCDAnchorPropertyPage);
 415     INF_SET_CLSID(CCDGenericPropertyPage);
 416     INF_SET_CLSID(CDocBrowsePropertyPage);
 417     INF_SET_CLSID(CDwnBindInfo);
 418     INF_SET_CLSID(CHiFiUses);
 419     INF_SET_CLSID(CHtmlComponentConstructor);
 420     INF_SET_CLSID(CImageBrowsePropertyPage);
 421     INF_SET_CLSID(CInlineStylePropertyPage);
 422     INF_SET_CLSID(CPeerHandler);
 423     INF_SET_CLSID(CRecalcEngine);
 424     INF_SET_CLSID(CSvrOMUses);
 425     INF_SET_CLSID(CrSource);
 426     INF_SET_CLSID(ExternalFrameworkSite);
 427     INF_SET_CLSID(HTADocument);
 428     INF_SET_CLSID(HTMLDocument);
 429     INF_SET_CLSID(HTMLLoadOptions);
 430     INF_SET_CLSID(HTMLPluginDocument);
 431     INF_SET_CLSID(HTMLPopup);
 432     INF_SET_CLSID(HTMLPopupDoc);
 433     INF_SET_CLSID(HTMLServerDoc);
 434     INF_SET_CLSID(HTMLWindowProxy);
 435     INF_SET_CLSID(IImageDecodeFilter);
 436     INF_SET_CLSID(IImgCtx);
 437     INF_SET_CLSID(IntDitherer);
 438     INF_SET_CLSID(JSProtocol);
 439     INF_SET_CLSID(MHTMLDocument);
 440     INF_SET_CLSID(MailtoProtocol);
 441     INF_SET_CLSID(ResProtocol);
 442     INF_SET_CLSID(Scriptlet);
 443     INF_SET_CLSID(SysimageProtocol);
 444     INF_SET_CLSID(TridentAPI);
 445     INF_SET_ID(LIBID_MSHTML);
 446
 447     for(i=0; i < sizeof(pse)/sizeof(pse[0]); i++) {
 448         pse[i].pszValue = heap_alloc(39);
 449         sprintf(pse[i].pszValue, "{%08X-%04X-%04X-%02X%02X-%02X%02X%02X%02X%02X%02X}",
 450                 clsids[i]->Data1, clsids[i]->Data2, clsids[i]->Data3, clsids[i]->Data4[0],
 451                 clsids[i]->Data4[1], clsids[i]->Data4[2], clsids[i]->Data4[3], clsids[i]->Data4[4],
 452                 clsids[i]->Data4[5], clsids[i]->Data4[6], clsids[i]->Data4[7]);
 453     }
 454
 455     strtable.cEntries = sizeof(pse)/sizeof(pse[0]);
 456     strtable.pse = pse;
 457
 458     hAdvpack = LoadLibraryW(wszAdvpack);
 459     pRegInstall = (void *)GetProcAddress(hAdvpack, "RegInstall");
 460
 461     hres = pRegInstall(hInst, do_register ? "RegisterDll" : "UnregisterDll", &strtable);
 462
 463     for(i=0; i < sizeof(pse)/sizeof(pse[0]); i++)
 464         heap_free(pse[i].pszValue);
 465
 466     if(FAILED(hres))
 467         ERR("RegInstall failed: %08x\n", hres);
 468
 469     return hres;
 470 }
 471
 472 #undef INF_SET_CLSID
 473 #undef INF_SET_ID
 474
 475 /***********************************************************************
 476  *          DllRegisterServer (MSHTML.@)
 477  */
 478 HRESULT WINAPI DllRegisterServer(void)
 479 {
 480     HRESULT hres;
 481
 482     hres = __wine_register_resources( hInst );
 483     if(SUCCEEDED(hres))
 484         hres = register_server(TRUE);
 485     if(SUCCEEDED(hres))
 486         load_gecko();
 487
 488     return hres;
 489 }
 490
 491 /***********************************************************************
 492  *          DllUnregisterServer (MSHTML.@)
 493  */
 494 HRESULT WINAPI DllUnregisterServer(void)
 495 {
 496     HRESULT hres = __wine_unregister_resources( hInst );
 497     if(SUCCEEDED(hres)) hres = register_server(FALSE);
 498     return hres;
 499 }
 500
 501 const char *debugstr_variant(const VARIANT *v)
 502 {
 503     if(!v)
 504         return "(null)";
 505
 506     switch(V_VT(v)) {
 507     case VT_EMPTY:
 508         return "{VT_EMPTY}";
 509     case VT_NULL:
 510         return "{VT_NULL}";
 511     case VT_I2:
 512         return wine_dbg_sprintf("{VT_I2: %d}", V_I2(v));
 513     case VT_I4:
 514         return wine_dbg_sprintf("{VT_I4: %d}", V_I4(v));
 515     case VT_R8:
 516         return wine_dbg_sprintf("{VT_R8: %lf}", V_R8(v));
 517     case VT_BSTR:
 518         return wine_dbg_sprintf("{VT_BSTR: %s}", debugstr_w(V_BSTR(v)));
 519     case VT_DISPATCH:
 520         return wine_dbg_sprintf("{VT_DISPATCH: %p}", V_DISPATCH(v));
 521     case VT_ERROR:
 522         return wine_dbg_sprintf("{VT_ERROR: %08x}", V_ERROR(v));
 523     case VT_BOOL:
 524         return wine_dbg_sprintf("{VT_BOOL: %x}", V_BOOL(v));
 525     case VT_UINT:
 526         return wine_dbg_sprintf("{VT_UINT: %u}", V_UINT(v));
 527     default:
 528         return wine_dbg_sprintf("{vt %d}", V_VT(v));
 529     }
 530 }