git.oblomov.eu Git - wine/blob - dlls/mshtml/mshtml_private.h

   1 /*
   2  * Copyright 2005-2006 Jacek Caban for CodeWeavers
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  17  */
  18
  19 #include "docobj.h"
  20 #include "mshtml.h"
  21 #include "mshtmhst.h"
  22 #include "hlink.h"
  23
  24 #include "wine/list.h"
  25
  26 #ifdef INIT_GUID
  27 #include "initguid.h"
  28 #endif
  29
  30 #include "nsiface.h"
  31
  32 #define GENERATE_MSHTML_NS_FAILURE(code) \
  33     ((nsresult) ((PRUint32)(1<<31) | ((PRUint32)(0x45+6)<<16) | (PRUint32)(code)))
  34
  35 #define NS_OK                     ((nsresult)0x00000000L)
  36 #define NS_ERROR_FAILURE          ((nsresult)0x80004005L)
  37 #define NS_NOINTERFACE            ((nsresult)0x80004002L)
  38 #define NS_ERROR_NOT_IMPLEMENTED  ((nsresult)0x80004001L)
  39 #define NS_ERROR_INVALID_ARG      ((nsresult)0x80070057L)
  40 #define NS_ERROR_UNEXPECTED       ((nsresult)0x8000ffffL)
  41 #define NS_ERROR_UNKNOWN_PROTOCOL ((nsresult)0x804b0012L)
  42
  43 #define WINE_NS_LOAD_FROM_MONIKER GENERATE_MSHTML_NS_FAILURE(0)
  44
  45 #define NS_FAILED(res) ((res) & 0x80000000)
  46 #define NS_SUCCEEDED(res) (!NS_FAILED(res))
  47
  48 #define NSAPI WINAPI
  49
  50 #define NS_ELEMENT_NODE   1
  51 #define NS_DOCUMENT_NODE  9
  52
  53 typedef struct HTMLDOMNode HTMLDOMNode;
  54 typedef struct ConnectionPoint ConnectionPoint;
  55 typedef struct BSCallback BSCallback;
  56
  57 typedef struct {
  58     const IHTMLWindow2Vtbl *lpHTMLWindow2Vtbl;
  59
  60     LONG ref;
  61
  62     HTMLDocument *doc;
  63     nsIDOMWindow *nswindow;
  64
  65     struct list entry;
  66 } HTMLWindow;
  67
  68 typedef enum {
  69     UNKNOWN_USERMODE,
  70     BROWSEMODE,
  71     EDITMODE
  72 } USERMODE;
  73
  74 typedef struct {
  75     const IConnectionPointContainerVtbl  *lpConnectionPointContainerVtbl;
  76
  77     ConnectionPoint *cp_list;
  78     IUnknown *outer;
  79 } ConnectionPointContainer;
  80
  81 struct ConnectionPoint {
  82     const IConnectionPointVtbl *lpConnectionPointVtbl;
  83
  84     HTMLDocument *doc;
  85
  86     union {
  87         IUnknown *unk;
  88         IDispatch *disp;
  89         IPropertyNotifySink *propnotif;
  90     } *sinks;
  91     DWORD sinks_size;
  92
  93     IID iid;
  94
  95     ConnectionPoint *next;
  96 };
  97
  98 struct HTMLDocument {
  99     const IHTMLDocument2Vtbl              *lpHTMLDocument2Vtbl;
 100     const IHTMLDocument3Vtbl              *lpHTMLDocument3Vtbl;
 101     const IPersistMonikerVtbl             *lpPersistMonikerVtbl;
 102     const IPersistFileVtbl                *lpPersistFileVtbl;
 103     const IMonikerPropVtbl                *lpMonikerPropVtbl;
 104     const IOleObjectVtbl                  *lpOleObjectVtbl;
 105     const IOleDocumentVtbl                *lpOleDocumentVtbl;
 106     const IOleDocumentViewVtbl            *lpOleDocumentViewVtbl;
 107     const IOleInPlaceActiveObjectVtbl     *lpOleInPlaceActiveObjectVtbl;
 108     const IViewObject2Vtbl                *lpViewObject2Vtbl;
 109     const IOleInPlaceObjectWindowlessVtbl *lpOleInPlaceObjectWindowlessVtbl;
 110     const IServiceProviderVtbl            *lpServiceProviderVtbl;
 111     const IOleCommandTargetVtbl           *lpOleCommandTargetVtbl;
 112     const IOleControlVtbl                 *lpOleControlVtbl;
 113     const IHlinkTargetVtbl                *lpHlinkTargetVtbl;
 114     const IPersistStreamInitVtbl          *lpPersistStreamInitVtbl;
 115
 116     LONG ref;
 117
 118     NSContainer *nscontainer;
 119     HTMLWindow *window;
 120
 121     IOleClientSite *client;
 122     IDocHostUIHandler *hostui;
 123     IOleInPlaceSite *ipsite;
 124     IOleInPlaceFrame *frame;
 125
 126     BSCallback *bscallback;
 127     IMoniker *mon;
 128     BSTR url;
 129
 130     HWND hwnd;
 131     HWND tooltips_hwnd;
 132
 133     DOCHOSTUIINFO hostinfo;
 134
 135     USERMODE usermode;
 136     READYSTATE readystate;
 137     BOOL in_place_active;
 138     BOOL ui_active;
 139     BOOL window_active;
 140     BOOL has_key_path;
 141     BOOL container_locked;
 142     BOOL focus;
 143
 144     DWORD update;
 145
 146     ConnectionPointContainer cp_container;
 147     ConnectionPoint cp_htmldocevents;
 148     ConnectionPoint cp_htmldocevents2;
 149     ConnectionPoint cp_propnotif;
 150
 151     HTMLDOMNode *nodes;
 152 };
 153
 154 typedef struct {
 155     const nsIDOMEventListenerVtbl      *lpDOMEventListenerVtbl;
 156     NSContainer *This;
 157 } nsEventListener;
 158
 159 struct NSContainer {
 160     const nsIWebBrowserChromeVtbl       *lpWebBrowserChromeVtbl;
 161     const nsIContextMenuListenerVtbl    *lpContextMenuListenerVtbl;
 162     const nsIURIContentListenerVtbl     *lpURIContentListenerVtbl;
 163     const nsIEmbeddingSiteWindowVtbl    *lpEmbeddingSiteWindowVtbl;
 164     const nsITooltipListenerVtbl        *lpTooltipListenerVtbl;
 165     const nsIInterfaceRequestorVtbl     *lpInterfaceRequestorVtbl;
 166     const nsIWeakReferenceVtbl          *lpWeakReferenceVtbl;
 167     const nsISupportsWeakReferenceVtbl  *lpSupportsWeakReferenceVtbl;
 168
 169     nsEventListener blur_listener;
 170     nsEventListener focus_listener;
 171     nsEventListener keypress_listener;
 172     nsEventListener load_listener;
 173
 174     nsIWebBrowser *webbrowser;
 175     nsIWebNavigation *navigation;
 176     nsIBaseWindow *window;
 177     nsIWebBrowserFocus *focus;
 178
 179     nsIController *editor_controller;
 180
 181     LONG ref;
 182
 183     NSContainer *parent;
 184     HTMLDocument *doc;
 185
 186     nsIURIContentListener *content_listener;
 187
 188     HWND hwnd;
 189
 190     BSCallback *bscallback; /* hack */
 191 };
 192
 193 typedef struct {
 194     const nsIHttpChannelVtbl *lpHttpChannelVtbl;
 195     const nsIUploadChannelVtbl *lpUploadChannelVtbl;
 196
 197     LONG ref;
 198
 199     nsIChannel *channel;
 200     nsIHttpChannel *http_channel;
 201     nsIWineURI *uri;
 202     nsIInputStream *post_data_stream;
 203     nsILoadGroup *load_group;
 204     nsIInterfaceRequestor *notif_callback;
 205     nsLoadFlags load_flags;
 206     nsIURI *original_uri;
 207     char *content;
 208     char *charset;
 209 } nsChannel;
 210
 211 typedef struct {
 212     const nsIInputStreamVtbl *lpInputStreamVtbl;
 213
 214     LONG ref;
 215
 216     char buf[1024];
 217     DWORD buf_size;
 218 } nsProtocolStream;
 219
 220 struct BSCallback {
 221     const IBindStatusCallbackVtbl *lpBindStatusCallbackVtbl;
 222     const IServiceProviderVtbl    *lpServiceProviderVtbl;
 223     const IHttpNegotiate2Vtbl     *lpHttpNegotiate2Vtbl;
 224     const IInternetBindInfoVtbl   *lpInternetBindInfoVtbl;
 225
 226     LONG ref;
 227
 228     LPWSTR headers;
 229     HGLOBAL post_data;
 230     ULONG post_data_len;
 231     ULONG readed;
 232
 233     nsChannel *nschannel;
 234     nsIStreamListener *nslistener;
 235     nsISupports *nscontext;
 236
 237     IMoniker *mon;
 238     IBinding *binding;
 239
 240     HTMLDocument *doc;
 241
 242     nsProtocolStream *nsstream;
 243 };
 244
 245 struct HTMLDOMNode {
 246     const IHTMLDOMNodeVtbl *lpHTMLDOMNodeVtbl;
 247
 248     void (*destructor)(IUnknown*);
 249
 250     enum {
 251         NT_UNKNOWN,
 252         NT_HTMLELEM
 253     } node_type;
 254
 255     union {
 256         IUnknown *unk;
 257         IHTMLElement *elem;
 258     } impl;
 259
 260     nsIDOMNode *nsnode;
 261     HTMLDocument *doc;
 262
 263     HTMLDOMNode *next;
 264 };
 265
 266 typedef struct {
 267     const IHTMLElementVtbl *lpHTMLElementVtbl;
 268     const IHTMLElement2Vtbl *lpHTMLElement2Vtbl;
 269
 270     void (*destructor)(IUnknown*);
 271
 272     nsIDOMHTMLElement *nselem;
 273     HTMLDOMNode *node;
 274
 275     IUnknown *impl;
 276 } HTMLElement;
 277
 278 typedef struct {
 279     const IHTMLTextContainerVtbl *lpHTMLTextContainerVtbl;
 280
 281     HTMLElement *element;
 282 } HTMLTextContainer;
 283
 284 #define HTMLWINDOW2(x)   ((IHTMLWindow2*)                 &(x)->lpHTMLWindow2Vtbl)
 285
 286 #define HTMLDOC(x)       ((IHTMLDocument2*)               &(x)->lpHTMLDocument2Vtbl)
 287 #define HTMLDOC3(x)      ((IHTMLDocument3*)               &(x)->lpHTMLDocument3Vtbl)
 288 #define PERSIST(x)       ((IPersist*)                     &(x)->lpPersistFileVtbl)
 289 #define PERSISTMON(x)    ((IPersistMoniker*)              &(x)->lpPersistMonikerVtbl)
 290 #define PERSISTFILE(x)   ((IPersistFile*)                 &(x)->lpPersistFileVtbl)
 291 #define MONPROP(x)       ((IMonikerProp*)                 &(x)->lpMonikerPropVtbl)
 292 #define OLEOBJ(x)        ((IOleObject*)                   &(x)->lpOleObjectVtbl)
 293 #define OLEDOC(x)        ((IOleDocument*)                 &(x)->lpOleDocumentVtbl)
 294 #define DOCVIEW(x)       ((IOleDocumentView*)             &(x)->lpOleDocumentViewVtbl)
 295 #define OLEWIN(x)        ((IOleWindow*)                   &(x)->lpOleInPlaceActiveObjectVtbl)
 296 #define ACTOBJ(x)        ((IOleInPlaceActiveObject*)      &(x)->lpOleInPlaceActiveObjectVtbl)
 297 #define VIEWOBJ(x)       ((IViewObject*)                  &(x)->lpViewObject2Vtbl)
 298 #define VIEWOBJ2(x)      ((IViewObject2*)                 &(x)->lpViewObject2Vtbl)
 299 #define INPLACEOBJ(x)    ((IOleInPlaceObject*)            &(x)->lpOleInPlaceObjectWindowlessVtbl)
 300 #define INPLACEWIN(x)    ((IOleInPlaceObjectWindowless*)  &(x)->lpOleInPlaceObjectWindowlessVtbl)
 301 #define SERVPROV(x)      ((IServiceProvider*)             &(x)->lpServiceProviderVtbl)
 302 #define CMDTARGET(x)     ((IOleCommandTarget*)            &(x)->lpOleCommandTargetVtbl)
 303 #define CONTROL(x)       ((IOleControl*)                  &(x)->lpOleControlVtbl)
 304 #define HLNKTARGET(x)    ((IHlinkTarget*)                 &(x)->lpHlinkTargetVtbl)
 305 #define CONPTCONT(x)     ((IConnectionPointContainer*)    &(x)->lpConnectionPointContainerVtbl)
 306 #define PERSTRINIT(x)    ((IPersistStreamInit*)           &(x)->lpPersistStreamInitVtbl)
 307
 308 #define NSWBCHROME(x)    ((nsIWebBrowserChrome*)          &(x)->lpWebBrowserChromeVtbl)
 309 #define NSCML(x)         ((nsIContextMenuListener*)       &(x)->lpContextMenuListenerVtbl)
 310 #define NSURICL(x)       ((nsIURIContentListener*)        &(x)->lpURIContentListenerVtbl)
 311 #define NSEMBWNDS(x)     ((nsIEmbeddingSiteWindow*)       &(x)->lpEmbeddingSiteWindowVtbl)
 312 #define NSIFACEREQ(x)    ((nsIInterfaceRequestor*)        &(x)->lpInterfaceRequestorVtbl)
 313 #define NSTOOLTIP(x)     ((nsITooltipListener*)           &(x)->lpTooltipListenerVtbl)
 314 #define NSEVENTLIST(x)   ((nsIDOMEventListener*)          &(x)->lpDOMEventListenerVtbl)
 315 #define NSWEAKREF(x)     ((nsIWeakReference*)             &(x)->lpWeakReferenceVtbl)
 316 #define NSSUPWEAKREF(x)  ((nsISupportsWeakReference*)     &(x)->lpSupportsWeakReferenceVtbl)
 317
 318 #define NSCHANNEL(x)     ((nsIChannel*)        &(x)->lpHttpChannelVtbl)
 319 #define NSHTTPCHANNEL(x) ((nsIHttpChannel*)    &(x)->lpHttpChannelVtbl)
 320 #define NSUPCHANNEL(x)   ((nsIUploadChannel*)  &(x)->lpUploadChannelVtbl)
 321
 322 #define HTTPNEG(x)       ((IHttpNegotiate2*)              &(x)->lpHttpNegotiate2Vtbl)
 323 #define STATUSCLB(x)     ((IBindStatusCallback*)          &(x)->lpBindStatusCallbackVtbl)
 324 #define BINDINFO(x)      ((IInternetBindInfo*)            &(x)->lpInternetBindInfoVtbl);
 325
 326 #define HTMLELEM(x)      ((IHTMLElement*)                 &(x)->lpHTMLElementVtbl)
 327 #define HTMLELEM2(x)     ((IHTMLElement2*)                &(x)->lpHTMLElement2Vtbl)
 328 #define HTMLDOMNODE(x)   ((IHTMLDOMNode*)                 &(x)->lpHTMLDOMNodeVtbl)
 329
 330 #define HTMLTEXTCONT(x)  ((IHTMLTextContainer*)           &(x)->lpHTMLTextContainerVtbl)
 331
 332 #define DEFINE_THIS(cls,ifc,iface) ((cls*)((BYTE*)(iface)-offsetof(cls,lp ## ifc ## Vtbl)))
 333
 334 HRESULT HTMLDocument_Create(IUnknown*,REFIID,void**);
 335 HRESULT HTMLLoadOptions_Create(IUnknown*,REFIID,void**);
 336
 337 HTMLWindow *HTMLWindow_Create(HTMLDocument*);
 338 HTMLWindow *nswindow_to_window(const nsIDOMWindow*);
 339
 340 void HTMLDocument_HTMLDocument3_Init(HTMLDocument*);
 341 void HTMLDocument_Persist_Init(HTMLDocument*);
 342 void HTMLDocument_OleCmd_Init(HTMLDocument*);
 343 void HTMLDocument_OleObj_Init(HTMLDocument*);
 344 void HTMLDocument_View_Init(HTMLDocument*);
 345 void HTMLDocument_Window_Init(HTMLDocument*);
 346 void HTMLDocument_Service_Init(HTMLDocument*);
 347 void HTMLDocument_Hlink_Init(HTMLDocument*);
 348
 349 void ConnectionPoint_Init(ConnectionPoint*,HTMLDocument*,REFIID,ConnectionPoint*);
 350 void ConnectionPointContainer_Init(ConnectionPointContainer*,ConnectionPoint*,IUnknown*);
 351 void ConnectionPointContainer_Destroy(ConnectionPointContainer*);
 352
 353 NSContainer *NSContainer_Create(HTMLDocument*,NSContainer*);
 354 void NSContainer_Release(NSContainer*);
 355
 356 void HTMLDocument_LockContainer(HTMLDocument*,BOOL);
 357 void show_context_menu(HTMLDocument*,DWORD,POINT*);
 358 void notif_focus(HTMLDocument*);
 359
 360 void show_tooltip(HTMLDocument*,DWORD,DWORD,LPCWSTR);
 361 void hide_tooltip(HTMLDocument*);
 362 HRESULT get_client_disp_property(IOleClientSite*,DISPID,VARIANT*);
 363
 364 HRESULT ProtocolFactory_Create(REFCLSID,REFIID,void**);
 365
 366 void close_gecko(void);
 367 void register_nsservice(nsIComponentRegistrar*,nsIServiceManager*);
 368 void init_nsio(nsIComponentManager*,nsIComponentRegistrar*);
 369
 370 void hlink_frame_navigate(HTMLDocument*,IHlinkFrame*,LPCWSTR,nsIInputStream*,DWORD);
 371
 372 void call_property_onchanged(ConnectionPoint*,DISPID);
 373
 374 void *nsalloc(size_t);
 375 void nsfree(void*);
 376
 377 void nsACString_Init(nsACString*,const char*);
 378 void nsACString_SetData(nsACString*,const char*);
 379 PRUint32 nsACString_GetData(const nsACString*,const char**,PRBool*);
 380 void nsACString_Finish(nsACString*);
 381
 382 void nsAString_Init(nsAString*,const PRUnichar*);
 383 PRUint32 nsAString_GetData(const nsAString*,const PRUnichar**,PRBool*);
 384 void nsAString_Finish(nsAString*);
 385
 386 nsIInputStream *create_nsstream(const char*,PRInt32);
 387 nsICommandParams *create_nscommand_params(void);
 388 void nsnode_to_nsstring(nsIDOMNode*,nsAString*);
 389 nsIController *get_editor_controller(NSContainer*);
 390 void init_nsevents(NSContainer*);
 391
 392 BSCallback *create_bscallback(IMoniker*);
 393 HRESULT start_binding(BSCallback*);
 394 HRESULT load_stream(BSCallback*,IStream*);
 395 void set_document_bscallback(HTMLDocument*,BSCallback*);
 396 void set_current_mon(HTMLDocument*,IMoniker*);
 397
 398 IHTMLSelectionObject *HTMLSelectionObject_Create(nsISelection*);
 399 IHTMLTxtRange *HTMLTxtRange_Create(nsIDOMRange*);
 400 IHTMLStyle *HTMLStyle_Create(nsIDOMCSSStyleDeclaration*);
 401 IHTMLStyleSheet *HTMLStyleSheet_Create(void);
 402
 403 void HTMLElement_Create(HTMLDOMNode*);
 404 void HTMLBodyElement_Create(HTMLElement*);
 405 void HTMLInputElement_Create(HTMLElement*);
 406 void HTMLSelectElement_Create(HTMLElement*);
 407 void HTMLTextAreaElement_Create(HTMLElement*);
 408
 409 void HTMLElement2_Init(HTMLElement*);
 410
 411 void HTMLTextContainer_Init(HTMLTextContainer*,HTMLElement*);
 412
 413 HRESULT HTMLDOMNode_QI(HTMLDOMNode*,REFIID,void**);
 414 HRESULT HTMLElement_QI(HTMLElement*,REFIID,void**);
 415
 416 HTMLDOMNode *get_node(HTMLDocument*,nsIDOMNode*);
 417 void release_nodes(HTMLDocument*);
 418
 419 BOOL install_wine_gecko(void);
 420
 421 /* commands */
 422 typedef struct {
 423     DWORD id;
 424     HRESULT (*query)(HTMLDocument*,OLECMD*);
 425     HRESULT (*exec)(HTMLDocument*,DWORD,VARIANT*,VARIANT*);
 426 } cmdtable_t;
 427
 428 extern const cmdtable_t editmode_cmds[];
 429
 430 /* timer */
 431 #define UPDATE_UI       0x0001
 432 #define UPDATE_TITLE    0x0002
 433
 434 void update_doc(HTMLDocument *This, DWORD flags);
 435 void update_title(HTMLDocument*);
 436
 437 /* editor */
 438 void init_editor(HTMLDocument*);
 439 void set_ns_editmode(NSContainer*);
 440 void handle_edit_event(HTMLDocument*,nsIDOMEvent*);
 441 HRESULT editor_exec_copy(HTMLDocument*,DWORD,VARIANT*,VARIANT*);
 442 HRESULT editor_exec_cut(HTMLDocument*,DWORD,VARIANT*,VARIANT*);
 443 HRESULT editor_exec_paste(HTMLDocument*,DWORD,VARIANT*,VARIANT*);
 444
 445 extern DWORD mshtml_tls;
 446
 447 typedef struct task_t {
 448     HTMLDocument *doc;
 449
 450     enum {
 451         TASK_SETDOWNLOADSTATE,
 452         TASK_PARSECOMPLETE,
 453         TASK_SETPROGRESS,
 454         TASK_START_BINDING
 455     } task_id;
 456
 457     BSCallback *bscallback;
 458
 459     struct task_t *next;
 460 } task_t;
 461
 462 typedef struct {
 463     HWND thread_hwnd;
 464     task_t *task_queue_head;
 465     task_t *task_queue_tail;
 466 } thread_data_t;
 467
 468 thread_data_t *get_thread_data(BOOL);
 469 HWND get_thread_hwnd(void);
 470 void push_task(task_t*);
 471 void remove_doc_tasks(const HTMLDocument*);
 472
 473 DEFINE_GUID(CLSID_AboutProtocol, 0x3050F406, 0x98B5, 0x11CF, 0xBB,0x82, 0x00,0xAA,0x00,0xBD,0xCE,0x0B);
 474 DEFINE_GUID(CLSID_JSProtocol, 0x3050F3B2, 0x98B5, 0x11CF, 0xBB,0x82, 0x00,0xAA,0x00,0xBD,0xCE,0x0B);
 475 DEFINE_GUID(CLSID_MailtoProtocol, 0x3050F3DA, 0x98B5, 0x11CF, 0xBB,0x82, 0x00,0xAA,0x00,0xBD,0xCE,0x0B);
 476 DEFINE_GUID(CLSID_ResProtocol, 0x3050F3BC, 0x98B5, 0x11CF, 0xBB,0x82, 0x00,0xAA,0x00,0xBD,0xCE,0x0B);
 477 DEFINE_GUID(CLSID_SysimageProtocol, 0x76E67A63, 0x06E9, 0x11D2, 0xA8,0x40, 0x00,0x60,0x08,0x05,0x93,0x82);
 478
 479 DEFINE_GUID(CLSID_CMarkup,0x3050f4fb,0x98b5,0x11cf,0xbb,0x82,0x00,0xaa,0x00,0xbd,0xce,0x0b);
 480
 481 extern LONG module_ref;
 482 #define LOCK_MODULE()   InterlockedIncrement(&module_ref)
 483 #define UNLOCK_MODULE() InterlockedDecrement(&module_ref)
 484
 485 /* memory allocation functions */
 486
 487 static inline void *mshtml_alloc(size_t len)
 488 {
 489     return HeapAlloc(GetProcessHeap(), 0, len);
 490 }
 491
 492 static inline void *mshtml_alloc_zero(size_t len)
 493 {
 494     return HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, len);
 495 }
 496
 497 static inline void *mshtml_realloc(void *mem, size_t len)
 498 {
 499     return HeapReAlloc(GetProcessHeap(), 0, mem, len);
 500 }
 501
 502 static inline BOOL mshtml_free(void *mem)
 503 {
 504     return HeapFree(GetProcessHeap(), 0, mem);
 505 }
 506
 507 HINSTANCE get_shdoclc(void);
 508
 509 extern HINSTANCE hInst;