reactos/lib/ole32/ole16.c

   1 /*
   2  * 16 bit ole functions
   3  *
   4  * Copyright 1995 Martin von Loewis
   5  * Copyright 1998 Justin Bradford
   6  * Copyright 1999 Francis Beaudet
   7  * Copyright 1999 Sylvain St-Germain
   8  * Copyright 2002 Marcus Meissner
   9  *
  10  * This library is free software; you can redistribute it and/or
  11  * modify it under the terms of the GNU Lesser General Public
  12  * License as published by the Free Software Foundation; either
  13  * version 2.1 of the License, or (at your option) any later version.
  14  *
  15  * This library is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  18  * Lesser General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU Lesser General Public
  21  * License along with this library; if not, write to the Free Software
  22  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  23  */
  24
  25 #include "config.h"
  26
  27 #include <stdlib.h>
  28 #include <stdarg.h>
  29 #include <stdio.h>
  30 #include <string.h>
  31 #include <assert.h>
  32
  33 #include "windef.h"
  34 #include "winbase.h"
  35 #include "winuser.h"
  36 #include "objbase.h"
  37 #include "ole2.h"
  38 #include "ole2ver.h"
  39 #include "rpc.h"
  40 #include "winerror.h"
  41 #include "winreg.h"
  42 #include "wownt32.h"
  43 #include "wtypes.h"
  44 #include "wine/unicode.h"
  45 #include "wine/winbase16.h"
  46 #include "compobj_private.h"
  47 #include "ifs.h"
  48
  49 #include "wine/debug.h"
  50
  51 WINE_DEFAULT_DEBUG_CHANNEL(ole);
  52
  53 HTASK16 hETask = 0;
  54 WORD Table_ETask[62];
  55
  56 LPMALLOC16 currentMalloc16=NULL;
  57
  58 /* --- IMalloc16 implementation */
  59
  60
  61 typedef struct
  62 {
  63         /* IUnknown fields */
  64         IMalloc16Vtbl          *lpVtbl;
  65         DWORD                   ref;
  66         /* IMalloc16 fields */
  67 } IMalloc16Impl;
  68
  69 /******************************************************************************
  70  *              IMalloc16_QueryInterface        [COMPOBJ.500]
  71  */
  72 HRESULT WINAPI IMalloc16_fnQueryInterface(IMalloc16* iface,REFIID refiid,LPVOID *obj) {
  73         IMalloc16Impl *This = (IMalloc16Impl *)iface;
  74
  75         TRACE("(%p)->QueryInterface(%s,%p)\n",This,debugstr_guid(refiid),obj);
  76         if (    !memcmp(&IID_IUnknown,refiid,sizeof(IID_IUnknown)) ||
  77                 !memcmp(&IID_IMalloc,refiid,sizeof(IID_IMalloc))
  78         ) {
  79                 *obj = This;
  80                 return 0;
  81         }
  82         return OLE_E_ENUM_NOMORE;
  83 }
  84
  85 /******************************************************************************
  86  *              IMalloc16_AddRef        [COMPOBJ.501]
  87  */
  88 ULONG WINAPI IMalloc16_fnAddRef(IMalloc16* iface) {
  89         IMalloc16Impl *This = (IMalloc16Impl *)iface;
  90         TRACE("(%p)->AddRef()\n",This);
  91         return 1; /* cannot be freed */
  92 }
  93
  94 /******************************************************************************
  95  *              IMalloc16_Release       [COMPOBJ.502]
  96  */
  97 ULONG WINAPI IMalloc16_fnRelease(IMalloc16* iface) {
  98         IMalloc16Impl *This = (IMalloc16Impl *)iface;
  99         TRACE("(%p)->Release()\n",This);
 100         return 1; /* cannot be freed */
 101 }
 102
 103 /******************************************************************************
 104  * IMalloc16_Alloc [COMPOBJ.503]
 105  */
 106 SEGPTR WINAPI IMalloc16_fnAlloc(IMalloc16* iface,DWORD cb) {
 107         IMalloc16Impl *This = (IMalloc16Impl *)iface;
 108         TRACE("(%p)->Alloc(%ld)\n",This,cb);
 109         return MapLS( HeapAlloc( GetProcessHeap(), 0, cb ) );
 110 }
 111
 112 /******************************************************************************
 113  * IMalloc16_Free [COMPOBJ.505]
 114  */
 115 VOID WINAPI IMalloc16_fnFree(IMalloc16* iface,SEGPTR pv)
 116 {
 117     void *ptr = MapSL(pv);
 118     IMalloc16Impl *This = (IMalloc16Impl *)iface;
 119     TRACE("(%p)->Free(%08lx)\n",This,pv);
 120     UnMapLS(pv);
 121     HeapFree( GetProcessHeap(), 0, ptr );
 122 }
 123
 124 /******************************************************************************
 125  * IMalloc16_Realloc [COMPOBJ.504]
 126  */
 127 SEGPTR WINAPI IMalloc16_fnRealloc(IMalloc16* iface,SEGPTR pv,DWORD cb)
 128 {
 129     SEGPTR ret;
 130     IMalloc16Impl *This = (IMalloc16Impl *)iface;
 131     TRACE("(%p)->Realloc(%08lx,%ld)\n",This,pv,cb);
 132     if (!pv)
 133         ret = IMalloc16_fnAlloc(iface, cb);
 134     else if (cb) {
 135         ret = MapLS( HeapReAlloc( GetProcessHeap(), 0, MapSL(pv), cb ) );
 136         UnMapLS(pv);
 137     } else {
 138         IMalloc16_fnFree(iface, pv);
 139         ret = 0;
 140     }
 141     return ret;
 142 }
 143
 144 /******************************************************************************
 145  * IMalloc16_GetSize [COMPOBJ.506]
 146  */
 147 DWORD WINAPI IMalloc16_fnGetSize(const IMalloc16* iface,SEGPTR pv)
 148 {
 149         IMalloc16Impl *This = (IMalloc16Impl *)iface;
 150         TRACE("(%p)->GetSize(%08lx)\n",This,pv);
 151         return HeapSize( GetProcessHeap(), 0, MapSL(pv) );
 152 }
 153
 154 /******************************************************************************
 155  * IMalloc16_DidAlloc [COMPOBJ.507]
 156  */
 157 INT16 WINAPI IMalloc16_fnDidAlloc(const IMalloc16* iface,LPVOID pv) {
 158         IMalloc16 *This = (IMalloc16 *)iface;
 159         TRACE("(%p)->DidAlloc(%p)\n",This,pv);
 160         return (INT16)-1;
 161 }
 162
 163 /******************************************************************************
 164  * IMalloc16_HeapMinimize [COMPOBJ.508]
 165  */
 166 LPVOID WINAPI IMalloc16_fnHeapMinimize(IMalloc16* iface) {
 167         IMalloc16Impl *This = (IMalloc16Impl *)iface;
 168         TRACE("(%p)->HeapMinimize()\n",This);
 169         return NULL;
 170 }
 171
 172 /******************************************************************************
 173  * IMalloc16_Constructor [VTABLE]
 174  */
 175 LPMALLOC16
 176 IMalloc16_Constructor()
 177 {
 178     static IMalloc16Vtbl vt16;
 179     static SEGPTR msegvt16;
 180     IMalloc16Impl* This;
 181     HMODULE16 hcomp = GetModuleHandle16("COMPOBJ");
 182
 183     This = HeapAlloc( GetProcessHeap(), 0, sizeof(IMalloc16Impl) );
 184     if (!msegvt16)
 185     {
 186 #define VTENT(x) vt16.x = (void*)GetProcAddress16(hcomp,"IMalloc16_"#x);assert(vt16.x)
 187         VTENT(QueryInterface);
 188         VTENT(AddRef);
 189         VTENT(Release);
 190         VTENT(Alloc);
 191         VTENT(Realloc);
 192         VTENT(Free);
 193         VTENT(GetSize);
 194         VTENT(DidAlloc);
 195         VTENT(HeapMinimize);
 196 #undef VTENT
 197         msegvt16 = MapLS( &vt16 );
 198     }
 199     This->lpVtbl = (IMalloc16Vtbl*)msegvt16;
 200     This->ref = 1;
 201     return (LPMALLOC16)MapLS( This );
 202 }
 203
 204
 205 /***********************************************************************
 206  *           CoGetMalloc    [COMPOBJ.4]
 207  * RETURNS
 208  *      The current win16 IMalloc
 209  */
 210 HRESULT WINAPI CoGetMalloc16(
 211         DWORD dwMemContext,     /* [in] unknown */
 212         LPMALLOC16 * lpMalloc   /* [out] current win16 malloc interface */
 213 ) {
 214     if(!currentMalloc16)
 215         currentMalloc16 = IMalloc16_Constructor();
 216     *lpMalloc = currentMalloc16;
 217     return S_OK;
 218 }
 219
 220 /***********************************************************************
 221  *           CoCreateStandardMalloc [COMPOBJ.71]
 222  */
 223 HRESULT WINAPI CoCreateStandardMalloc16(DWORD dwMemContext,
 224                                           LPMALLOC16 *lpMalloc)
 225 {
 226     /* FIXME: docu says we shouldn't return the same allocator as in
 227      * CoGetMalloc16 */
 228     *lpMalloc = IMalloc16_Constructor();
 229     return S_OK;
 230 }
 231
 232 /******************************************************************************
 233  *              CoInitialize    [COMPOBJ.2]
 234  * Set the win16 IMalloc used for memory management
 235  */
 236 HRESULT WINAPI CoInitialize16(
 237         LPVOID lpReserved       /* [in] pointer to win16 malloc interface */
 238 ) {
 239     currentMalloc16 = (LPMALLOC16)lpReserved;
 240     return S_OK;
 241 }
 242
 243 /***********************************************************************
 244  *           CoUninitialize   [COMPOBJ.3]
 245  * Don't know what it does.
 246  * 3-Nov-98 -- this was originally misspelled, I changed it to what I
 247  *   believe is the correct spelling
 248  */
 249 void WINAPI CoUninitialize16(void)
 250 {
 251   TRACE("()\n");
 252   CoFreeAllLibraries();
 253 }
 254
 255 /***********************************************************************
 256  *           IsEqualGUID [COMPOBJ.18]
 257  *
 258  * Compares two Unique Identifiers.
 259  *
 260  * RETURNS
 261  *      TRUE if equal
 262  */
 263 BOOL16 WINAPI IsEqualGUID16(
 264         GUID* g1,       /* [in] unique id 1 */
 265         GUID* g2)       /* [in] unique id 2 */
 266 {
 267     return !memcmp( g1, g2, sizeof(GUID) );
 268 }
 269
 270 /******************************************************************************
 271  *              CLSIDFromString [COMPOBJ.20]
 272  * Converts a unique identifier from its string representation into
 273  * the GUID struct.
 274  *
 275  * Class id: DWORD-WORD-WORD-BYTES[2]-BYTES[6]
 276  *
 277  * RETURNS
 278  *      the converted GUID
 279  */
 280 HRESULT WINAPI CLSIDFromString16(
 281         LPCOLESTR16 idstr,      /* [in] string representation of guid */
 282         CLSID *id)              /* [out] GUID converted from string */
 283 {
 284
 285   return __CLSIDFromStringA(idstr,id);
 286 }
 287
 288 extern BOOL WINAPI K32WOWCallback16Ex(  DWORD vpfn16, DWORD dwFlags,
 289                                         DWORD cbArgs, LPVOID pArgs,
 290                                         LPDWORD pdwRetCode );
 291
 292 /******************************************************************************
 293  *              _xmalloc16      [internal]
 294  * Allocates size bytes from the standard ole16 allocator.
 295  *
 296  * RETURNS
 297  *      the allocated segmented pointer and a HRESULT
 298  */
 299 static HRESULT
 300 _xmalloc16(DWORD size, SEGPTR *ptr) {
 301   LPMALLOC16 mllc;
 302   DWORD args[2];
 303
 304   if (CoGetMalloc16(0,&mllc))
 305     return E_OUTOFMEMORY;
 306
 307   args[0] = (DWORD)mllc;
 308   args[1] = size;
 309   /* No need for a Callback entry, we have WOWCallback16Ex which does
 310    * everything we need.
 311    */
 312   if (!K32WOWCallback16Ex(
 313       (DWORD)((IMalloc16Vtbl*)MapSL(
 314           (SEGPTR)((LPMALLOC16)MapSL((SEGPTR)mllc))->lpVtbl  )
 315       )->Alloc,
 316       WCB16_CDECL,
 317       2*sizeof(DWORD),
 318       (LPVOID)args,
 319       (LPDWORD)ptr
 320   )) {
 321       ERR("CallTo16 IMalloc16 (%ld) failed\n",size);
 322       return E_FAIL;
 323   }
 324   return S_OK;
 325 }
 326
 327 /******************************************************************************
 328  *              StringFromCLSID [COMPOBJ.19]
 329  * Converts a GUID into the respective string representation.
 330  * The target string is allocated using the OLE IMalloc.
 331  *
 332  * RETURNS
 333  *      the string representation and HRESULT
 334  */
 335
 336 HRESULT WINAPI StringFromCLSID16(
 337   REFCLSID id,          /* [in] the GUID to be converted */
 338   LPOLESTR16 *idstr     /* [out] a pointer to a to-be-allocated segmented pointer pointing to the resulting string */
 339
 340 ) {
 341   HRESULT ret;
 342
 343   ret = _xmalloc16(40,(SEGPTR*)idstr);
 344   if (ret != S_OK)
 345     return ret;
 346   return WINE_StringFromCLSID(id,MapSL((SEGPTR)*idstr));
 347 }
 348
 349 /******************************************************************************
 350  * ProgIDFromCLSID [COMPOBJ.62]
 351  * Converts a class id into the respective Program ID. (By using a registry lookup)
 352  * RETURNS S_OK on success
 353  * riid associated with the progid
 354  */
 355 HRESULT WINAPI ProgIDFromCLSID16(
 356   REFCLSID clsid, /* [in] class id as found in registry */
 357   LPOLESTR16 *lplpszProgID/* [out] associated Prog ID */
 358 ) {
 359   char     strCLSID[50], *buf, *buf2;
 360   DWORD    buf2len;
 361   HKEY     xhkey;
 362   HRESULT  ret = S_OK;
 363
 364   WINE_StringFromCLSID(clsid, strCLSID);
 365
 366   buf = HeapAlloc(GetProcessHeap(), 0, strlen(strCLSID)+14);
 367   sprintf(buf,"CLSID\\%s\\ProgID", strCLSID);
 368   if (RegOpenKeyA(HKEY_CLASSES_ROOT, buf, &xhkey))
 369     ret = REGDB_E_CLASSNOTREG;
 370
 371   HeapFree(GetProcessHeap(), 0, buf);
 372
 373   if (ret == S_OK)
 374   {
 375     buf2 = HeapAlloc(GetProcessHeap(), 0, 255);
 376     buf2len = 255;
 377     if (RegQueryValueA(xhkey, NULL, buf2, &buf2len))
 378       ret = REGDB_E_CLASSNOTREG;
 379
 380     if (ret == S_OK)
 381     {
 382       ret = _xmalloc16(buf2len+1, (SEGPTR*)lplpszProgID);
 383       if (ret == S_OK)
 384         strcpy(MapSL((SEGPTR)*lplpszProgID),buf2);
 385     }
 386     HeapFree(GetProcessHeap(), 0, buf2);
 387   }
 388   RegCloseKey(xhkey);
 389   return ret;
 390 }
 391
 392 /***********************************************************************
 393  *           LookupETask (COMPOBJ.94)
 394  */
 395 HRESULT WINAPI LookupETask16(HTASK16 *hTask,LPVOID p) {
 396         FIXME("(%p,%p),stub!\n",hTask,p);
 397         if ((*hTask = GetCurrentTask()) == hETask) {
 398                 memcpy(p, Table_ETask, sizeof(Table_ETask));
 399         }
 400         return 0;
 401 }
 402
 403 /***********************************************************************
 404  *           SetETask (COMPOBJ.95)
 405  */
 406 HRESULT WINAPI SetETask16(HTASK16 hTask, LPVOID p) {
 407         FIXME("(%04x,%p),stub!\n",hTask,p);
 408         hETask = hTask;
 409         return 0;
 410 }
 411
 412 /***********************************************************************
 413  *           CALLOBJECTINWOW (COMPOBJ.201)
 414  */
 415 HRESULT WINAPI CallObjectInWOW(LPVOID p1,LPVOID p2) {
 416         FIXME("(%p,%p),stub!\n",p1,p2);
 417         return 0;
 418 }
 419
 420 /******************************************************************************
 421  *              CoRegisterClassObject   [COMPOBJ.5]
 422  *
 423  * Don't know where it registers it ...
 424  */
 425 HRESULT WINAPI CoRegisterClassObject16(
 426         REFCLSID rclsid,
 427         LPUNKNOWN pUnk,
 428         DWORD dwClsContext, /* [in] CLSCTX flags indicating the context in which to run the executable */
 429         DWORD flags,        /* [in] REGCLS flags indicating how connections are made */
 430         LPDWORD lpdwRegister
 431 ) {
 432         char    buf[80];
 433
 434         WINE_StringFromCLSID(rclsid,buf);
 435
 436         FIXME("(%s,%p,0x%08lx,0x%08lx,%p),stub\n",
 437                 buf,pUnk,dwClsContext,flags,lpdwRegister
 438         );
 439         return 0;
 440 }
 441
 442 /******************************************************************************
 443  *      CoRevokeClassObject [COMPOBJ.6]
 444  *
 445  */
 446 HRESULT WINAPI CoRevokeClassObject16(DWORD dwRegister) /* [in] token on class obj */
 447 {
 448     FIXME("(0x%08lx),stub!\n", dwRegister);
 449     return 0;
 450 }
 451
 452 /******************************************************************************
 453  *      CoFileTimeToDosDateTime [COMPOBJ.30]
 454  */
 455 BOOL16 WINAPI CoFileTimeToDosDateTime16(const FILETIME *ft, LPWORD lpDosDate, LPWORD lpDosTime)
 456 {
 457     return FileTimeToDosDateTime(ft, lpDosDate, lpDosTime);
 458 }
 459
 460 /******************************************************************************
 461  *      CoDosDateTimeToFileTime [COMPOBJ.31]
 462  */
 463 BOOL16 WINAPI CoDosDateTimeToFileTime16(WORD wDosDate, WORD wDosTime, FILETIME *ft)
 464 {
 465     return DosDateTimeToFileTime(wDosDate, wDosTime, ft);
 466 }
 467
 468 /******************************************************************************
 469  *              CoRegisterMessageFilter [COMPOBJ.27]
 470  */
 471 HRESULT WINAPI CoRegisterMessageFilter16(
 472         LPMESSAGEFILTER lpMessageFilter,
 473         LPMESSAGEFILTER *lplpMessageFilter
 474 ) {
 475         FIXME("(%p,%p),stub!\n",lpMessageFilter,lplpMessageFilter);
 476         return 0;
 477 }
 478
 479 /******************************************************************************
 480  *              CoLockObjectExternal    [COMPOBJ.63]
 481  */
 482 HRESULT WINAPI CoLockObjectExternal16(
 483     LPUNKNOWN pUnk,             /* [in] object to be locked */
 484     BOOL16 fLock,               /* [in] do lock */
 485     BOOL16 fLastUnlockReleases  /* [in] ? */
 486 ) {
 487     FIXME("(%p,%d,%d),stub!\n",pUnk,fLock,fLastUnlockReleases);
 488     return S_OK;
 489 }
 490
 491 /***********************************************************************
 492  *           CoGetState [COMPOBJ.115]
 493  */
 494 HRESULT WINAPI CoGetState16(LPDWORD state)
 495 {
 496     FIXME("(%p),stub!\n", state);
 497
 498     *state = 0;
 499     return S_OK;
 500 }
 501
 502 /***********************************************************************
 503  *      DllEntryPoint                   [COMPOBJ.116]
 504  *
 505  *    Initialization code for the COMPOBJ DLL
 506  *
 507  * RETURNS:
 508  */
 509 BOOL WINAPI COMPOBJ_DllEntryPoint(DWORD Reason, HINSTANCE16 hInst, WORD ds, WORD HeapSize, DWORD res1, WORD res2)
 510 {
 511         TRACE("(%08lx, %04x, %04x, %04x, %08lx, %04x)\n", Reason, hInst, ds, HeapSize, res1, res2);
 512         return TRUE;
 513 }