dlls/compobj.dll16/compobj.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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, 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 "rpc.h"
  39 #include "winerror.h"
  40 #include "winreg.h"
  41 #include "wownt32.h"
  42 #include "wtypes.h"
  43 #include "wine/unicode.h"
  44 #include "wine/winbase16.h"
  45
  46 #include "wine/debug.h"
  47
  48 WINE_DEFAULT_DEBUG_CHANNEL(ole);
  49
  50 typedef LPSTR LPOLESTR16;
  51 typedef LPCSTR LPCOLESTR16;
  52
  53 #define STDMETHOD16CALLTYPE __cdecl
  54 #define STDMETHOD16(m) HRESULT (STDMETHOD16CALLTYPE *m)
  55 #define STDMETHOD16_(t,m) t (STDMETHOD16CALLTYPE *m)
  56
  57 #define CHARS_IN_GUID 39
  58
  59 /***********************************************************************
  60  * IMalloc16 interface
  61  */
  62
  63 typedef struct IMalloc16 *LPMALLOC16;
  64
  65 #define INTERFACE IMalloc16
  66 DECLARE_INTERFACE_(IMalloc16,IUnknown)
  67 {
  68     /*** IUnknown methods ***/
  69     STDMETHOD16_(HRESULT,QueryInterface)(THIS_ REFIID riid, void** ppvObject) PURE;
  70     STDMETHOD16_(ULONG,AddRef)(THIS) PURE;
  71     STDMETHOD16_(ULONG,Release)(THIS) PURE;
  72     /*** IMalloc16 methods ***/
  73     STDMETHOD16_(LPVOID,Alloc)(THIS_ DWORD   cb) PURE;
  74     STDMETHOD16_(LPVOID,Realloc)(THIS_ LPVOID  pv, DWORD  cb) PURE;
  75     STDMETHOD16_(void,Free)(THIS_ LPVOID  pv) PURE;
  76     STDMETHOD16_(DWORD,GetSize)(THIS_ LPVOID  pv) PURE;
  77     STDMETHOD16_(INT16,DidAlloc)(THIS_ LPVOID  pv) PURE;
  78     STDMETHOD16_(LPVOID,HeapMinimize)(THIS) PURE;
  79 };
  80 #undef INTERFACE
  81
  82 static HTASK16 hETask = 0;
  83 static WORD Table_ETask[62];
  84
  85 static LPMALLOC16 currentMalloc16=NULL;
  86
  87 /* --- IMalloc16 implementation */
  88
  89
  90 typedef struct
  91 {
  92         IMalloc16 IMalloc16_iface;
  93         DWORD     ref;
  94 } IMalloc16Impl;
  95
  96 static inline IMalloc16Impl *impl_from_IMalloc16(IMalloc16 *iface)
  97 {
  98         return CONTAINING_RECORD(iface, IMalloc16Impl, IMalloc16_iface);
  99 }
 100
 101 /******************************************************************************
 102  *              IMalloc16_QueryInterface        [COMPOBJ.500]
 103  */
 104 HRESULT CDECL IMalloc16_fnQueryInterface(IMalloc16* iface,REFIID refiid,LPVOID *obj) {
 105         IMalloc16Impl *This = impl_from_IMalloc16(iface);
 106
 107         TRACE("(%p)->QueryInterface(%s,%p)\n",This,debugstr_guid(refiid),obj);
 108         if (    !memcmp(&IID_IUnknown,refiid,sizeof(IID_IUnknown)) ||
 109                 !memcmp(&IID_IMalloc,refiid,sizeof(IID_IMalloc))
 110         ) {
 111                 *obj = This;
 112                 return 0;
 113         }
 114         return OLE_E_ENUM_NOMORE;
 115 }
 116
 117 /******************************************************************************
 118  *              IMalloc16_AddRef        [COMPOBJ.501]
 119  */
 120 ULONG CDECL IMalloc16_fnAddRef(IMalloc16* iface) {
 121         IMalloc16Impl *This = impl_from_IMalloc16(iface);
 122
 123         TRACE("(%p)->AddRef()\n",This);
 124         return 1; /* cannot be freed */
 125 }
 126
 127 /******************************************************************************
 128  *              IMalloc16_Release       [COMPOBJ.502]
 129  */
 130 ULONG CDECL IMalloc16_fnRelease(IMalloc16* iface) {
 131         IMalloc16Impl *This = impl_from_IMalloc16(iface);
 132
 133         TRACE("(%p)->Release()\n",This);
 134         return 1; /* cannot be freed */
 135 }
 136
 137 /******************************************************************************
 138  * IMalloc16_Alloc [COMPOBJ.503]
 139  */
 140 SEGPTR CDECL IMalloc16_fnAlloc(IMalloc16* iface,DWORD cb) {
 141         IMalloc16Impl *This = impl_from_IMalloc16(iface);
 142
 143         TRACE("(%p)->Alloc(%d)\n",This,cb);
 144         return MapLS( HeapAlloc( GetProcessHeap(), 0, cb ) );
 145 }
 146
 147 /******************************************************************************
 148  * IMalloc16_Free [COMPOBJ.505]
 149  */
 150 VOID CDECL IMalloc16_fnFree(IMalloc16* iface,SEGPTR pv)
 151 {
 152     void *ptr = MapSL(pv);
 153     IMalloc16Impl *This = impl_from_IMalloc16(iface);
 154     TRACE("(%p)->Free(%08x)\n",This,pv);
 155     UnMapLS(pv);
 156     HeapFree( GetProcessHeap(), 0, ptr );
 157 }
 158
 159 /******************************************************************************
 160  * IMalloc16_Realloc [COMPOBJ.504]
 161  */
 162 SEGPTR CDECL IMalloc16_fnRealloc(IMalloc16* iface,SEGPTR pv,DWORD cb)
 163 {
 164     SEGPTR ret;
 165     IMalloc16Impl *This = impl_from_IMalloc16(iface);
 166
 167     TRACE("(%p)->Realloc(%08x,%d)\n",This,pv,cb);
 168     if (!pv)
 169         ret = IMalloc16_fnAlloc(iface, cb);
 170     else if (cb) {
 171         ret = MapLS( HeapReAlloc( GetProcessHeap(), 0, MapSL(pv), cb ) );
 172         UnMapLS(pv);
 173     } else {
 174         IMalloc16_fnFree(iface, pv);
 175         ret = 0;
 176     }
 177     return ret;
 178 }
 179
 180 /******************************************************************************
 181  * IMalloc16_GetSize [COMPOBJ.506]
 182  */
 183 DWORD CDECL IMalloc16_fnGetSize(IMalloc16* iface,SEGPTR pv)
 184 {
 185         IMalloc16Impl *This = impl_from_IMalloc16(iface);
 186
 187         TRACE("(%p)->GetSize(%08x)\n",This,pv);
 188         return HeapSize( GetProcessHeap(), 0, MapSL(pv) );
 189 }
 190
 191 /******************************************************************************
 192  * IMalloc16_DidAlloc [COMPOBJ.507]
 193  */
 194 INT16 CDECL IMalloc16_fnDidAlloc(IMalloc16* iface,LPVOID pv) {
 195         IMalloc16Impl *This = impl_from_IMalloc16(iface);
 196
 197         TRACE("(%p)->DidAlloc(%p)\n",This,pv);
 198         return (INT16)-1;
 199 }
 200
 201 /******************************************************************************
 202  * IMalloc16_HeapMinimize [COMPOBJ.508]
 203  */
 204 LPVOID CDECL IMalloc16_fnHeapMinimize(IMalloc16* iface) {
 205         IMalloc16Impl *This = impl_from_IMalloc16(iface);
 206
 207         TRACE("(%p)->HeapMinimize()\n",This);
 208         return NULL;
 209 }
 210
 211 /******************************************************************************
 212  * IMalloc16_Constructor [VTABLE]
 213  */
 214 static LPMALLOC16
 215 IMalloc16_Constructor(void)
 216 {
 217     static IMalloc16Vtbl vt16;
 218     static SEGPTR msegvt16;
 219     IMalloc16Impl* This;
 220     HMODULE16 hcomp = GetModuleHandle16("COMPOBJ");
 221
 222     This = HeapAlloc( GetProcessHeap(), 0, sizeof(IMalloc16Impl) );
 223     if (!msegvt16)
 224     {
 225 #define VTENT(x) vt16.x = (void*)GetProcAddress16(hcomp,"IMalloc16_"#x);assert(vt16.x)
 226         VTENT(QueryInterface);
 227         VTENT(AddRef);
 228         VTENT(Release);
 229         VTENT(Alloc);
 230         VTENT(Realloc);
 231         VTENT(Free);
 232         VTENT(GetSize);
 233         VTENT(DidAlloc);
 234         VTENT(HeapMinimize);
 235 #undef VTENT
 236         msegvt16 = MapLS( &vt16 );
 237     }
 238     This->IMalloc16_iface.lpVtbl = (const IMalloc16Vtbl*)msegvt16;
 239     This->ref = 1;
 240     return (LPMALLOC16)MapLS( This );
 241 }
 242
 243
 244 /******************************************************************************
 245  *           CoBuildVersion [COMPOBJ.1]
 246  */
 247 DWORD WINAPI CoBuildVersion16(void)
 248 {
 249     return CoBuildVersion();
 250 }
 251
 252 /***********************************************************************
 253  *           CoGetMalloc    [COMPOBJ.4]
 254  *
 255  * Retrieve the current win16 IMalloc interface.
 256  *
 257  * RETURNS
 258  *      The current win16 IMalloc
 259  */
 260 HRESULT WINAPI CoGetMalloc16(
 261         DWORD dwMemContext,     /* [in] unknown */
 262         LPMALLOC16 * lpMalloc   /* [out] current win16 malloc interface */
 263 ) {
 264     if(!currentMalloc16)
 265         currentMalloc16 = IMalloc16_Constructor();
 266     *lpMalloc = currentMalloc16;
 267     return S_OK;
 268 }
 269
 270 /***********************************************************************
 271  *           CoCreateStandardMalloc [COMPOBJ.71]
 272  */
 273 HRESULT WINAPI CoCreateStandardMalloc16(DWORD dwMemContext,
 274                                           LPMALLOC16 *lpMalloc)
 275 {
 276     /* FIXME: docu says we shouldn't return the same allocator as in
 277      * CoGetMalloc16 */
 278     *lpMalloc = IMalloc16_Constructor();
 279     return S_OK;
 280 }
 281
 282 /******************************************************************************
 283  *              CoInitialize    [COMPOBJ.2]
 284  * Set the win16 IMalloc used for memory management
 285  */
 286 HRESULT WINAPI CoInitialize16(
 287         LPVOID lpReserved       /* [in] pointer to win16 malloc interface */
 288 ) {
 289     currentMalloc16 = (LPMALLOC16)lpReserved;
 290     return S_OK;
 291 }
 292
 293 /***********************************************************************
 294  *           CoUninitialize   [COMPOBJ.3]
 295  * Don't know what it does.
 296  * 3-Nov-98 -- this was originally misspelled, I changed it to what I
 297  *   believe is the correct spelling
 298  */
 299 void WINAPI CoUninitialize16(void)
 300 {
 301   TRACE("()\n");
 302   CoFreeAllLibraries();
 303 }
 304
 305 /***********************************************************************
 306  *           CoFreeUnusedLibraries [COMPOBJ.17]
 307  */
 308 void WINAPI CoFreeUnusedLibraries16(void)
 309 {
 310     CoFreeUnusedLibraries();
 311 }
 312
 313 /***********************************************************************
 314  *           IsEqualGUID [COMPOBJ.18]
 315  *
 316  * Compares two Unique Identifiers.
 317  *
 318  * RETURNS
 319  *      TRUE if equal
 320  */
 321 BOOL16 WINAPI IsEqualGUID16(
 322         GUID* g1,       /* [in] unique id 1 */
 323         GUID* g2)       /* [in] unique id 2 */
 324 {
 325     return !memcmp( g1, g2, sizeof(GUID) );
 326 }
 327
 328 /******************************************************************************
 329  *              CLSIDFromString [COMPOBJ.20]
 330  * Converts a unique identifier from its string representation into
 331  * the GUID struct.
 332  *
 333  * Class id: DWORD-WORD-WORD-BYTES[2]-BYTES[6]
 334  *
 335  * RETURNS
 336  *      the converted GUID
 337  */
 338 HRESULT WINAPI CLSIDFromString16(
 339         LPCOLESTR16 idstr,      /* [in] string representation of guid */
 340         CLSID *id)              /* [out] GUID converted from string */
 341 {
 342   const BYTE *s;
 343   int   i;
 344   BYTE table[256];
 345
 346   if (!idstr) {
 347     memset( id, 0, sizeof (CLSID) );
 348     return S_OK;
 349   }
 350
 351   /* validate the CLSID string */
 352   if (strlen(idstr) != 38)
 353     return CO_E_CLASSSTRING;
 354
 355   s = (const BYTE *) idstr;
 356   if ((s[0]!='{') || (s[9]!='-') || (s[14]!='-') || (s[19]!='-') || (s[24]!='-') || (s[37]!='}'))
 357     return CO_E_CLASSSTRING;
 358
 359   for (i=1; i<37; i++) {
 360     if ((i == 9)||(i == 14)||(i == 19)||(i == 24)) continue;
 361     if (!(((s[i] >= '0') && (s[i] <= '9'))  ||
 362           ((s[i] >= 'a') && (s[i] <= 'f'))  ||
 363           ((s[i] >= 'A') && (s[i] <= 'F'))))
 364        return CO_E_CLASSSTRING;
 365   }
 366
 367   TRACE("%s -> %p\n", s, id);
 368
 369   /* quick lookup table */
 370   memset(table, 0, 256);
 371
 372   for (i = 0; i < 10; i++) {
 373     table['0' + i] = i;
 374   }
 375   for (i = 0; i < 6; i++) {
 376     table['A' + i] = i+10;
 377     table['a' + i] = i+10;
 378   }
 379
 380   /* in form {XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX} */
 381
 382   id->Data1 = (table[s[1]] << 28 | table[s[2]] << 24 | table[s[3]] << 20 | table[s[4]] << 16 |
 383                table[s[5]] << 12 | table[s[6]] << 8  | table[s[7]] << 4  | table[s[8]]);
 384   id->Data2 = table[s[10]] << 12 | table[s[11]] << 8 | table[s[12]] << 4 | table[s[13]];
 385   id->Data3 = table[s[15]] << 12 | table[s[16]] << 8 | table[s[17]] << 4 | table[s[18]];
 386
 387   /* these are just sequential bytes */
 388   id->Data4[0] = table[s[20]] << 4 | table[s[21]];
 389   id->Data4[1] = table[s[22]] << 4 | table[s[23]];
 390   id->Data4[2] = table[s[25]] << 4 | table[s[26]];
 391   id->Data4[3] = table[s[27]] << 4 | table[s[28]];
 392   id->Data4[4] = table[s[29]] << 4 | table[s[30]];
 393   id->Data4[5] = table[s[31]] << 4 | table[s[32]];
 394   id->Data4[6] = table[s[33]] << 4 | table[s[34]];
 395   id->Data4[7] = table[s[35]] << 4 | table[s[36]];
 396
 397   return S_OK;
 398 }
 399
 400 /******************************************************************************
 401  *              _xmalloc16      [internal]
 402  * Allocates size bytes from the standard ole16 allocator.
 403  *
 404  * RETURNS
 405  *      the allocated segmented pointer and a HRESULT
 406  */
 407 static HRESULT
 408 _xmalloc16(DWORD size, SEGPTR *ptr) {
 409   LPMALLOC16 mllc;
 410   DWORD args[2];
 411
 412   if (CoGetMalloc16(0,&mllc))
 413     return E_OUTOFMEMORY;
 414
 415   args[0] = (DWORD)mllc;
 416   args[1] = size;
 417   /* No need for a Callback entry, we have WOWCallback16Ex which does
 418    * everything we need.
 419    */
 420   if (!WOWCallback16Ex(
 421       (DWORD)((const IMalloc16Vtbl*)MapSL(
 422           (SEGPTR)((LPMALLOC16)MapSL((SEGPTR)mllc))->lpVtbl  )
 423       )->Alloc,
 424       WCB16_CDECL,
 425       2*sizeof(DWORD),
 426       (LPVOID)args,
 427       (LPDWORD)ptr
 428   )) {
 429       ERR("CallTo16 IMalloc16 (%d) failed\n",size);
 430       return E_FAIL;
 431   }
 432   return S_OK;
 433 }
 434
 435 /******************************************************************************
 436  *              StringFromCLSID [COMPOBJ.19]
 437  * Converts a GUID into the respective string representation.
 438  * The target string is allocated using the OLE IMalloc.
 439  *
 440  * RETURNS
 441  *      the string representation and HRESULT
 442  */
 443
 444 HRESULT WINAPI StringFromCLSID16(
 445   REFCLSID id,          /* [in] the GUID to be converted */
 446   LPOLESTR16 *idstr )   /* [out] a pointer to a to-be-allocated segmented pointer pointing to the resulting string */
 447 {
 448     WCHAR buffer[40];
 449     HRESULT ret;
 450
 451     ret = _xmalloc16(40,(SEGPTR*)idstr);
 452     if (ret != S_OK)
 453         return ret;
 454     StringFromGUID2( id, buffer, 40 );
 455     WideCharToMultiByte( CP_ACP, 0, buffer, -1, MapSL((SEGPTR)*idstr), 40, NULL, NULL );
 456     return ret;
 457 }
 458
 459 /******************************************************************************
 460  * ProgIDFromCLSID [COMPOBJ.62]
 461  *
 462  * Converts a class id into the respective Program ID. (By using a registry lookup)
 463  *
 464  * RETURNS
 465  *  S_OK on success
 466  *  riid associated with the progid
 467  */
 468 HRESULT WINAPI ProgIDFromCLSID16(
 469   REFCLSID clsid, /* [in] class id as found in registry */
 470   LPOLESTR16 *lplpszProgID )/* [out] associated Program ID */
 471 {
 472     LPOLESTR progid;
 473     HRESULT ret;
 474
 475     ret = ProgIDFromCLSID( clsid, &progid );
 476     if (ret == S_OK)
 477     {
 478         INT len = WideCharToMultiByte( CP_ACP, 0, progid, -1, NULL, 0, NULL, NULL );
 479         ret = _xmalloc16(len, (SEGPTR*)lplpszProgID);
 480         if (ret == S_OK)
 481             WideCharToMultiByte( CP_ACP, 0, progid, -1, MapSL((SEGPTR)*lplpszProgID), len, NULL, NULL );
 482         CoTaskMemFree( progid );
 483     }
 484     return ret;
 485 }
 486
 487 /***********************************************************************
 488  *           LookupETask (COMPOBJ.94)
 489  */
 490 HRESULT WINAPI LookupETask16(HTASK16 *hTask,LPVOID p) {
 491         FIXME("(%p,%p),stub!\n",hTask,p);
 492         if ((*hTask = GetCurrentTask()) == hETask) {
 493                 memcpy(p, Table_ETask, sizeof(Table_ETask));
 494         }
 495         return 0;
 496 }
 497
 498 /***********************************************************************
 499  *           SetETask (COMPOBJ.95)
 500  */
 501 HRESULT WINAPI SetETask16(HTASK16 hTask, LPVOID p) {
 502         FIXME("(%04x,%p),stub!\n",hTask,p);
 503         hETask = hTask;
 504         return 0;
 505 }
 506
 507 /***********************************************************************
 508  *           CALLOBJECTINWOW (COMPOBJ.201)
 509  */
 510 HRESULT WINAPI CallObjectInWOW(LPVOID p1,LPVOID p2) {
 511         FIXME("(%p,%p),stub!\n",p1,p2);
 512         return 0;
 513 }
 514
 515 /******************************************************************************
 516  *              CoRegisterClassObject   [COMPOBJ.5]
 517  *
 518  * Don't know where it registers it ...
 519  */
 520 HRESULT WINAPI CoRegisterClassObject16(
 521         REFCLSID rclsid,
 522         LPUNKNOWN pUnk,
 523         DWORD dwClsContext, /* [in] CLSCTX flags indicating the context in which to run the executable */
 524         DWORD flags,        /* [in] REGCLS flags indicating how connections are made */
 525         LPDWORD lpdwRegister
 526 ) {
 527         FIXME("(%s,%p,0x%08x,0x%08x,%p),stub\n",
 528                 debugstr_guid(rclsid),pUnk,dwClsContext,flags,lpdwRegister
 529         );
 530         return 0;
 531 }
 532
 533 /******************************************************************************
 534  *      CoRevokeClassObject [COMPOBJ.6]
 535  *
 536  */
 537 HRESULT WINAPI CoRevokeClassObject16(DWORD dwRegister) /* [in] token on class obj */
 538 {
 539     FIXME("(0x%08x),stub!\n", dwRegister);
 540     return 0;
 541 }
 542
 543 /******************************************************************************
 544  *              IsValidInterface        [COMPOBJ.23]
 545  *
 546  * Determines whether a pointer is a valid interface.
 547  *
 548  * PARAMS
 549  *  punk [I] Interface to be tested.
 550  *
 551  * RETURNS
 552  *  TRUE, if the passed pointer is a valid interface, or FALSE otherwise.
 553  */
 554 BOOL WINAPI IsValidInterface16(SEGPTR punk)
 555 {
 556         DWORD **ptr;
 557
 558         if (IsBadReadPtr16(punk,4))
 559                 return FALSE;
 560         ptr = MapSL(punk);
 561         if (IsBadReadPtr16((SEGPTR)ptr[0],4))   /* check vtable ptr */
 562                 return FALSE;
 563         ptr = MapSL((SEGPTR)ptr[0]);            /* ptr to first method */
 564         if (IsBadReadPtr16((SEGPTR)ptr[0],2))
 565                 return FALSE;
 566         return TRUE;
 567 }
 568
 569 /******************************************************************************
 570  *      CoFileTimeToDosDateTime [COMPOBJ.30]
 571  */
 572 BOOL16 WINAPI CoFileTimeToDosDateTime16(const FILETIME *ft, LPWORD lpDosDate, LPWORD lpDosTime)
 573 {
 574     return FileTimeToDosDateTime(ft, lpDosDate, lpDosTime);
 575 }
 576
 577 /******************************************************************************
 578  *      CoDosDateTimeToFileTime [COMPOBJ.31]
 579  */
 580 BOOL16 WINAPI CoDosDateTimeToFileTime16(WORD wDosDate, WORD wDosTime, FILETIME *ft)
 581 {
 582     return DosDateTimeToFileTime(wDosDate, wDosTime, ft);
 583 }
 584
 585 /******************************************************************************
 586  *              CoGetCurrentProcess     [COMPOBJ.34]
 587  */
 588 DWORD WINAPI CoGetCurrentProcess16(void)
 589 {
 590     return CoGetCurrentProcess();
 591 }
 592
 593 /******************************************************************************
 594  *              CoRegisterMessageFilter [COMPOBJ.27]
 595  */
 596 HRESULT WINAPI CoRegisterMessageFilter16(
 597         LPMESSAGEFILTER lpMessageFilter,
 598         LPMESSAGEFILTER *lplpMessageFilter
 599 ) {
 600         FIXME("(%p,%p),stub!\n",lpMessageFilter,lplpMessageFilter);
 601         return 0;
 602 }
 603
 604 /******************************************************************************
 605  *              CoLockObjectExternal    [COMPOBJ.63]
 606  */
 607 HRESULT WINAPI CoLockObjectExternal16(
 608     LPUNKNOWN pUnk,             /* [in] object to be locked */
 609     BOOL16 fLock,               /* [in] do lock */
 610     BOOL16 fLastUnlockReleases  /* [in] ? */
 611 ) {
 612     FIXME("(%p,%d,%d),stub!\n",pUnk,fLock,fLastUnlockReleases);
 613     return S_OK;
 614 }
 615
 616 /***********************************************************************
 617  *           CoGetState [COMPOBJ.115]
 618  */
 619 HRESULT WINAPI CoGetState16(LPDWORD state)
 620 {
 621     FIXME("(%p),stub!\n", state);
 622
 623     *state = 0;
 624     return S_OK;
 625 }
 626
 627 /***********************************************************************
 628  *      DllEntryPoint                   [COMPOBJ.116]
 629  *
 630  *    Initialization code for the COMPOBJ DLL
 631  *
 632  * RETURNS:
 633  */
 634 BOOL WINAPI COMPOBJ_DllEntryPoint(DWORD Reason, HINSTANCE16 hInst, WORD ds, WORD HeapSize, DWORD res1, WORD res2)
 635 {
 636         TRACE("(%08x, %04x, %04x, %04x, %08x, %04x)\n", Reason, hInst, ds, HeapSize, res1, res2);
 637         return TRUE;
 638 }
 639
 640 /***********************************************************************
 641  *           CoMemAlloc [COMPOBJ.151]
 642  */
 643 SEGPTR WINAPI CoMemAlloc(DWORD size, DWORD dwMemContext, DWORD x) {
 644         HRESULT         hres;
 645         SEGPTR          segptr;
 646
 647         /* FIXME: check context handling */
 648         TRACE("(%d, 0x%08x, 0x%08x)\n", size, dwMemContext, x);
 649         hres = _xmalloc16(size, &segptr);
 650         if (hres != S_OK)
 651                 return 0;
 652         return segptr;
 653 }
 654
 655 /******************************************************************************
 656  *              CLSIDFromProgID [COMPOBJ.61]
 657  *
 658  * Converts a program ID into the respective GUID.
 659  *
 660  * PARAMS
 661  *  progid       [I] program id as found in registry
 662  *  riid         [O] associated CLSID
 663  *
 664  * RETURNS
 665  *      Success: S_OK
 666  *  Failure: CO_E_CLASSSTRING - the given ProgID cannot be found.
 667  */
 668 HRESULT WINAPI CLSIDFromProgID16(LPCOLESTR16 progid, LPCLSID riid)
 669 {
 670         char    *buf,buf2[80];
 671         LONG    buf2len;
 672         HKEY    xhkey;
 673
 674         buf = HeapAlloc(GetProcessHeap(),0,strlen(progid)+8);
 675         sprintf(buf,"%s\\CLSID",progid);
 676         if (RegOpenKeyA(HKEY_CLASSES_ROOT,buf,&xhkey)) {
 677                 HeapFree(GetProcessHeap(),0,buf);
 678                 return CO_E_CLASSSTRING;
 679         }
 680         HeapFree(GetProcessHeap(),0,buf);
 681         buf2len = sizeof(buf2);
 682         if (RegQueryValueA(xhkey,NULL,buf2,&buf2len)) {
 683                 RegCloseKey(xhkey);
 684                 return CO_E_CLASSSTRING;
 685         }
 686         RegCloseKey(xhkey);
 687         return CLSIDFromString16(buf2,riid);
 688 }
 689
 690 /******************************************************************************
 691  *              StringFromGUID2 [COMPOBJ.76]
 692  */
 693 INT16 WINAPI StringFromGUID216(REFGUID id, LPOLESTR16 str, INT16 cmax)
 694 {
 695     static const char format[] = "{%08X-%04X-%04X-%02X%02X-%02X%02X%02X%02X%02X%02X}";
 696     if (!id || cmax < CHARS_IN_GUID) return 0;
 697     sprintf( str, format, id->Data1, id->Data2, id->Data3,
 698              id->Data4[0], id->Data4[1], id->Data4[2], id->Data4[3],
 699              id->Data4[4], id->Data4[5], id->Data4[6], id->Data4[7] );
 700     return CHARS_IN_GUID;
 701 }
 702
 703
 704 /***********************************************************************
 705  *           CoFileTimeNow [COMPOBJ.82]
 706  */
 707 HRESULT WINAPI CoFileTimeNow16( FILETIME *lpFileTime )
 708 {
 709     return CoFileTimeNow( lpFileTime );
 710 }
 711
 712 /***********************************************************************
 713  *           CoGetClassObject [COMPOBJ.7]
 714  *
 715  */
 716 HRESULT WINAPI CoGetClassObject16(
 717     SEGPTR rclsid, DWORD dwClsContext, COSERVERINFO *pServerInfo,
 718     SEGPTR riid, SEGPTR ppv)
 719 {
 720     LPVOID *ppvl = MapSL(ppv);
 721
 722     TRACE("CLSID: %s, IID: %s\n", debugstr_guid(MapSL(rclsid)), debugstr_guid(MapSL(riid)));
 723
 724     *ppvl = NULL;
 725
 726     if (pServerInfo) {
 727         FIXME("pServerInfo->name=%s pAuthInfo=%p\n",
 728               debugstr_w(pServerInfo->pwszName), pServerInfo->pAuthInfo);
 729     }
 730
 731     if (CLSCTX_INPROC_SERVER & dwClsContext)
 732     {
 733         char idstr[CHARS_IN_GUID];
 734         char buf_key[CHARS_IN_GUID+19], dllpath[MAX_PATH+1];
 735         LONG dllpath_len = sizeof(dllpath);
 736
 737         HMODULE16 dll;
 738         FARPROC16 DllGetClassObject;
 739
 740         WORD args[6];
 741         DWORD dwRet;
 742
 743         StringFromGUID216(MapSL(rclsid), idstr, CHARS_IN_GUID);
 744         sprintf(buf_key, "CLSID\\%s\\InprocServer", idstr);
 745         if (RegQueryValueA(HKEY_CLASSES_ROOT, buf_key, dllpath, &dllpath_len))
 746         {
 747             ERR("class %s not registered\n", debugstr_guid(MapSL(rclsid)));
 748             return REGDB_E_CLASSNOTREG;
 749         }
 750
 751         dll = LoadLibrary16(dllpath);
 752         if (!dll)
 753         {
 754             ERR("couldn't load in-process dll %s\n", debugstr_a(dllpath));
 755             return E_ACCESSDENIED; /* FIXME: or should this be CO_E_DLLNOTFOUND? */
 756         }
 757
 758         DllGetClassObject = GetProcAddress16(dll, "DllGetClassObject");
 759         if (!DllGetClassObject)
 760         {
 761             ERR("couldn't find function DllGetClassObject in %s\n", debugstr_a(dllpath));
 762             FreeLibrary16(dll);
 763             return CO_E_DLLNOTFOUND;
 764         }
 765
 766         TRACE("calling DllGetClassObject %p\n", DllGetClassObject);
 767         args[5] = SELECTOROF(rclsid);
 768         args[4] = OFFSETOF(rclsid);
 769         args[3] = SELECTOROF(riid);
 770         args[2] = OFFSETOF(riid);
 771         args[1] = SELECTOROF(ppv);
 772         args[0] = OFFSETOF(ppv);
 773         WOWCallback16Ex((DWORD) DllGetClassObject, WCB16_PASCAL, sizeof(args), args, &dwRet);
 774         if (dwRet != S_OK)
 775         {
 776             ERR("DllGetClassObject returned error 0x%08x\n", dwRet);
 777             FreeLibrary16(dll);
 778             return dwRet;
 779         }
 780
 781         return S_OK;
 782     }
 783
 784     FIXME("semi-stub\n");
 785     return E_NOTIMPL;
 786 }
 787
 788 /******************************************************************************
 789  *              CoCreateGuid [COMPOBJ.73]
 790  */
 791 HRESULT WINAPI CoCreateGuid16(GUID *pguid)
 792 {
 793     return CoCreateGuid( pguid );
 794 }
 795
 796 /***********************************************************************
 797  *           CoCreateInstance [COMPOBJ.13]
 798  */
 799 HRESULT WINAPI CoCreateInstance16(
 800         REFCLSID rclsid,
 801         LPUNKNOWN pUnkOuter,
 802         DWORD dwClsContext,
 803         REFIID iid,
 804         LPVOID *ppv)
 805 {
 806   FIXME("(%s, %p, %x, %s, %p), stub!\n",
 807         debugstr_guid(rclsid), pUnkOuter, dwClsContext, debugstr_guid(iid),
 808         ppv
 809   );
 810   return E_NOTIMPL;
 811 }
 812
 813 /***********************************************************************
 814  *           CoDisconnectObject [COMPOBJ.15]
 815  */
 816 HRESULT WINAPI CoDisconnectObject16( LPUNKNOWN lpUnk, DWORD reserved )
 817 {
 818   FIXME("(%p, 0x%08x): stub!\n", lpUnk, reserved);
 819   return E_NOTIMPL;
 820 }