4 * Copyright 1995 Martin von Loewis
5 * Copyright 1998 Justin Bradford
6 * Copyright 1999 Francis Beaudet
7 * Copyright 1999 Sylvain St-Germain
19 #include "wine/winbase16.h"
21 #include "wine/winestring.h"
24 #include "debugtools.h"
30 #include "wine/obj_base.h"
31 #include "wine/obj_misc.h"
32 #include "wine/obj_storage.h"
33 #include "wine/obj_clientserver.h"
38 DEFAULT_DEBUG_CHANNEL(ole);
40 /****************************************************************************
41 * COM External Lock structures and methods declaration
43 * This api provides a linked list to managed external references to
46 * The public interface consists of three calls:
47 * COM_ExternalLockAddRef
48 * COM_ExternalLockRelease
49 * COM_ExternalLockFreeList
52 #define EL_END_OF_LIST 0
53 #define EL_NOT_FOUND 0
56 * Declaration of the static structure that manage the
57 * external lock to COM objects.
59 typedef struct COM_ExternalLock COM_ExternalLock;
60 typedef struct COM_ExternalLockList COM_ExternalLockList;
62 struct COM_ExternalLock
64 IUnknown *pUnk; /* IUnknown referenced */
65 ULONG uRefCount; /* external lock counter to IUnknown object*/
66 COM_ExternalLock *next; /* Pointer to next element in list */
69 struct COM_ExternalLockList
71 COM_ExternalLock *head; /* head of list */
75 * Declaration and initialization of the static structure that manages
76 * the external lock to COM objects.
78 static COM_ExternalLockList elList = { EL_END_OF_LIST };
81 * Public Interface to the external lock list
83 static void COM_ExternalLockFreeList();
84 static void COM_ExternalLockAddRef(IUnknown *pUnk);
85 static void COM_ExternalLockRelease(IUnknown *pUnk, BOOL bRelAll);
86 void COM_ExternalLockDump(); /* testing purposes, not static to avoid warning */
89 * Private methods used to managed the linked list
91 static BOOL COM_ExternalLockInsert(
94 static void COM_ExternalLockDelete(
95 COM_ExternalLock *element);
97 static COM_ExternalLock* COM_ExternalLockFind(
100 static COM_ExternalLock* COM_ExternalLockLocate(
101 COM_ExternalLock *element,
104 /****************************************************************************
105 * This section defines variables internal to the COM module.
107 * TODO: Most of these things will have to be made thread-safe.
109 HINSTANCE16 COMPOBJ_hInstance = 0;
110 HINSTANCE COMPOBJ_hInstance32 = 0;
111 static int COMPOBJ_Attach = 0;
113 LPMALLOC16 currentMalloc16=NULL;
114 LPMALLOC currentMalloc32=NULL;
117 WORD Table_ETask[62];
120 * This lock count counts the number of times CoInitialize is called. It is
121 * decreased every time CoUninitialize is called. When it hits 0, the COM
122 * libraries are freed
124 static ULONG s_COMLockCount = 0;
127 * This linked list contains the list of registered class objects. These
128 * are mostly used to register the factories for out-of-proc servers of OLE
131 * TODO: Make this data structure aware of inter-process communication. This
132 * means that parts of this will be exported to the Wine Server.
134 typedef struct tagRegisteredClass
136 CLSID classIdentifier;
137 LPUNKNOWN classObject;
141 struct tagRegisteredClass* nextClass;
144 static RegisteredClass* firstRegisteredClass = NULL;
146 /* this open DLL table belongs in a per process table, but my guess is that
147 * it shouldn't live in the kernel, so I'll put them out here in DLL
148 * space assuming that there is one OLE32 per process.
150 typedef struct tagOpenDll {
152 struct tagOpenDll *next;
155 static OpenDll *openDllList = NULL; /* linked list of open dlls */
157 /*****************************************************************************
158 * This section contains prototypes to internal methods for this
161 static HRESULT COM_GetRegisteredClassObject(REFCLSID rclsid,
165 static void COM_RevokeAllClasses();
168 /******************************************************************************
169 * CoBuildVersion [COMPOBJ.1]
172 * Current build version, hiword is majornumber, loword is minornumber
174 DWORD WINAPI CoBuildVersion(void)
176 TRACE("Returning version %d, build %d.\n", rmm, rup);
177 return (rmm<<16)+rup;
180 /******************************************************************************
181 * CoInitialize16 [COMPOBJ.2]
182 * Set the win16 IMalloc used for memory management
184 HRESULT WINAPI CoInitialize16(
185 LPVOID lpReserved /* [in] pointer to win16 malloc interface */
187 currentMalloc16 = (LPMALLOC16)lpReserved;
191 /******************************************************************************
192 * CoInitialize [OLE32.26]
194 * Initializes the COM libraries.
198 HRESULT WINAPI CoInitialize(
199 LPVOID lpReserved /* [in] pointer to win32 malloc interface
200 (obsolete, should be NULL) */
204 * Just delegate to the newer method.
206 return CoInitializeEx(lpReserved, COINIT_APARTMENTTHREADED);
209 /******************************************************************************
210 * CoInitializeEx [OLE32.163]
212 * Initializes the COM libraries. The behavior used to set the win32 IMalloc
213 * used for memory management is obsolete.
216 * S_OK if successful,
217 * S_FALSE if this function was called already.
218 * RPC_E_CHANGED_MODE if a previous call to CoInitialize specified another
222 * Only the single threaded model is supported. As a result RPC_E_CHANGED_MODE
225 * See the windows documentation for more details.
227 HRESULT WINAPI CoInitializeEx(
228 LPVOID lpReserved, /* [in] pointer to win32 malloc interface
229 (obsolete, should be NULL) */
230 DWORD dwCoInit /* [in] A value from COINIT specifies the threading model */
235 TRACE("(%p, %x)\n", lpReserved, (int)dwCoInit);
237 if (lpReserved!=NULL)
239 ERR("(%p, %x) - Bad parameter passed-in %p, must be an old Windows Application\n", lpReserved, (int)dwCoInit, lpReserved);
243 * Check for unsupported features.
245 if (dwCoInit!=COINIT_APARTMENTTHREADED)
247 FIXME(":(%p,%x): unsupported flag %x\n", lpReserved, (int)dwCoInit, (int)dwCoInit);
248 /* Hope for the best and continue anyway */
252 * Check the lock count. If this is the first time going through the initialize
253 * process, we have to initialize the libraries.
255 if (s_COMLockCount==0)
258 * Initialize the various COM libraries and data structures.
260 TRACE("() - Initializing the COM libraries\n");
262 RunningObjectTableImpl_Initialize();
270 * Crank-up that lock count.
277 /***********************************************************************
278 * CoUninitialize16 [COMPOBJ.3]
279 * Don't know what it does.
280 * 3-Nov-98 -- this was originally misspelled, I changed it to what I
281 * believe is the correct spelling
283 void WINAPI CoUninitialize16(void)
286 CoFreeAllLibraries();
289 /***********************************************************************
290 * CoUninitialize [OLE32.47]
292 * This method will release the COM libraries.
294 * See the windows documentation for more details.
296 void WINAPI CoUninitialize(void)
301 * Decrease the reference count.
306 * If we are back to 0 locks on the COM library, make sure we free
307 * all the associated data structures.
309 if (s_COMLockCount==0)
312 * Release the various COM libraries and data structures.
314 TRACE("() - Releasing the COM libraries\n");
316 RunningObjectTableImpl_UnInitialize();
318 * Release the references to the registered class objects.
320 COM_RevokeAllClasses();
323 * This will free the loaded COM Dlls.
325 CoFreeAllLibraries();
328 * This will free list of external references to COM objects.
330 COM_ExternalLockFreeList();
334 /***********************************************************************
335 * CoGetMalloc16 [COMPOBJ.4]
337 * The current win16 IMalloc
339 HRESULT WINAPI CoGetMalloc16(
340 DWORD dwMemContext, /* [in] unknown */
341 LPMALLOC16 * lpMalloc /* [out] current win16 malloc interface */
344 currentMalloc16 = IMalloc16_Constructor();
345 *lpMalloc = currentMalloc16;
349 /******************************************************************************
350 * CoGetMalloc [OLE32.20]
353 * The current win32 IMalloc
355 HRESULT WINAPI CoGetMalloc(
356 DWORD dwMemContext, /* [in] unknown */
357 LPMALLOC *lpMalloc /* [out] current win32 malloc interface */
360 currentMalloc32 = IMalloc_Constructor();
361 *lpMalloc = currentMalloc32;
365 /***********************************************************************
366 * CoCreateStandardMalloc16 [COMPOBJ.71]
368 HRESULT WINAPI CoCreateStandardMalloc16(DWORD dwMemContext,
369 LPMALLOC16 *lpMalloc)
371 /* FIXME: docu says we shouldn't return the same allocator as in
373 *lpMalloc = IMalloc16_Constructor();
377 /******************************************************************************
378 * CoDisconnectObject [COMPOBJ.15]
380 HRESULT WINAPI CoDisconnectObject( LPUNKNOWN lpUnk, DWORD reserved )
382 TRACE("%p %lx\n",lpUnk,reserved);
386 /***********************************************************************
387 * IsEqualGUID16 [COMPOBJ.18]
389 * Compares two Unique Identifiers.
394 BOOL16 WINAPI IsEqualGUID16(
395 GUID* g1, /* [in] unique id 1 */
396 GUID* g2 /* [in] unique id 2 */
398 return !memcmp( g1, g2, sizeof(GUID) );
401 /******************************************************************************
402 * CLSIDFromString16 [COMPOBJ.20]
403 * Converts a unique identifier from its string representation into
406 * Class id: DWORD-WORD-WORD-BYTES[2]-BYTES[6]
411 HRESULT WINAPI CLSIDFromString16(
412 LPCOLESTR16 idstr, /* [in] string representation of guid */
413 CLSID *id /* [out] GUID converted from string */
415 BYTE *s = (BYTE *) idstr;
421 s = "{00000000-0000-0000-0000-000000000000}";
422 else { /* validate the CLSID string */
425 return CO_E_CLASSSTRING;
427 if ((s[0]!='{') || (s[9]!='-') || (s[14]!='-') || (s[19]!='-') || (s[24]!='-') || (s[37]!='}'))
428 return CO_E_CLASSSTRING;
432 if ((i == 9)||(i == 14)||(i == 19)||(i == 24)) continue;
433 if (!(((s[i] >= '0') && (s[i] <= '9')) ||
434 ((s[i] >= 'a') && (s[i] <= 'f')) ||
435 ((s[i] >= 'A') && (s[i] <= 'F')))
437 return CO_E_CLASSSTRING;
441 TRACE("%s -> %p\n", s, id);
443 /* quick lookup table */
444 memset(table, 0, 256);
446 for (i = 0; i < 10; i++) {
449 for (i = 0; i < 6; i++) {
450 table['A' + i] = i+10;
451 table['a' + i] = i+10;
454 /* in form {XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX} */
458 s++; /* skip leading brace */
459 for (i = 0; i < 4; i++) {
460 p[3 - i] = table[*s]<<4 | table[*(s+1)];
466 for (i = 0; i < 2; i++) {
467 p[1-i] = table[*s]<<4 | table[*(s+1)];
473 for (i = 0; i < 2; i++) {
474 p[1-i] = table[*s]<<4 | table[*(s+1)];
480 /* these are just sequential bytes */
481 for (i = 0; i < 2; i++) {
482 *p++ = table[*s]<<4 | table[*(s+1)];
487 for (i = 0; i < 6; i++) {
488 *p++ = table[*s]<<4 | table[*(s+1)];
495 /******************************************************************************
496 * CoCreateGuid[OLE32.6]
499 HRESULT WINAPI CoCreateGuid(
500 GUID *pguid /* [out] points to the GUID to initialize */
502 return UuidCreate(pguid);
505 /******************************************************************************
506 * CLSIDFromString [OLE32.3]
507 * Converts a unique identifier from its string representation into
511 * If idstr is not a valid CLSID string then it gets treated as a ProgID
516 HRESULT WINAPI CLSIDFromString(
517 LPCOLESTR idstr, /* [in] string representation of GUID */
518 CLSID *id /* [out] GUID represented by above string */
520 LPOLESTR16 xid = HEAP_strdupWtoA(GetProcessHeap(),0,idstr);
521 HRESULT ret = CLSIDFromString16(xid,id);
523 HeapFree(GetProcessHeap(),0,xid);
524 if(ret != S_OK) { /* It appears a ProgID is also valid */
525 ret = CLSIDFromProgID(idstr, id);
530 /******************************************************************************
531 * WINE_StringFromCLSID [Internal]
532 * Converts a GUID into the respective string representation.
537 * the string representation and HRESULT
539 static HRESULT WINE_StringFromCLSID(
540 const CLSID *id, /* [in] GUID to be converted */
541 LPSTR idstr /* [out] pointer to buffer to contain converted guid */
543 static const char *hex = "0123456789ABCDEF";
548 { ERR("called with id=Null\n");
553 sprintf(idstr, "{%08lX-%04X-%04X-%02X%02X-",
554 id->Data1, id->Data2, id->Data3,
555 id->Data4[0], id->Data4[1]);
559 for (i = 2; i < 8; i++) {
560 *s++ = hex[id->Data4[i]>>4];
561 *s++ = hex[id->Data4[i] & 0xf];
567 TRACE("%p->%s\n", id, idstr);
572 /******************************************************************************
573 * StringFromCLSID16 [COMPOBJ.19]
574 * Converts a GUID into the respective string representation.
575 * The target string is allocated using the OLE IMalloc.
577 * the string representation and HRESULT
579 HRESULT WINAPI StringFromCLSID16(
580 REFCLSID id, /* [in] the GUID to be converted */
581 LPOLESTR16 *idstr /* [out] a pointer to a to-be-allocated segmented pointer pointing to the resulting string */
588 ret = CoGetMalloc16(0,&mllc);
591 args[0] = (DWORD)mllc;
594 /* No need for a Callback entry, we have WOWCallback16Ex which does
595 * everything we need.
597 if (!WOWCallback16Ex(
598 (DWORD)((ICOM_VTABLE(IMalloc16)*)PTR_SEG_TO_LIN(
599 ICOM_VTBL(((LPMALLOC16)PTR_SEG_TO_LIN(mllc))))
606 WARN("CallTo16 IMalloc16 failed\n");
609 return WINE_StringFromCLSID(id,PTR_SEG_TO_LIN(*idstr));
612 /******************************************************************************
613 * StringFromCLSID [OLE32.151]
614 * Converts a GUID into the respective string representation.
615 * The target string is allocated using the OLE IMalloc.
617 * the string representation and HRESULT
619 HRESULT WINAPI StringFromCLSID(
620 REFCLSID id, /* [in] the GUID to be converted */
621 LPOLESTR *idstr /* [out] a pointer to a to-be-allocated pointer pointing to the resulting string */
627 if ((ret=CoGetMalloc(0,&mllc)))
630 ret=WINE_StringFromCLSID(id,buf);
632 *idstr = IMalloc_Alloc(mllc,strlen(buf)*2+2);
633 lstrcpyAtoW(*idstr,buf);
638 /******************************************************************************
639 * StringFromGUID2 [COMPOBJ.76] [OLE32.152]
641 * Converts a global unique identifier into a string of an API-
642 * specified fixed format. (The usual {.....} stuff.)
645 * The (UNICODE) string representation of the GUID in 'str'
646 * The length of the resulting string, 0 if there was any problem.
649 StringFromGUID2(REFGUID id, LPOLESTR str, INT cmax)
653 if (WINE_StringFromCLSID(id,xguid))
655 if (strlen(xguid)>=cmax)
657 lstrcpyAtoW(str,xguid);
658 return strlen(xguid) + 1;
661 /******************************************************************************
662 * ProgIDFromCLSID [OLE32.133]
663 * Converts a class id into the respective Program ID. (By using a registry lookup)
664 * RETURNS S_OK on success
665 * riid associated with the progid
668 HRESULT WINAPI ProgIDFromCLSID(
669 REFCLSID clsid, /* [in] class id as found in registry */
670 LPOLESTR *lplpszProgID/* [out] associated Prog ID */
673 char strCLSID[50], *buf, *buf2;
679 WINE_StringFromCLSID(clsid, strCLSID);
681 buf = HeapAlloc(GetProcessHeap(), 0, strlen(strCLSID)+14);
682 sprintf(buf,"CLSID\\%s\\ProgID", strCLSID);
683 if (RegOpenKeyA(HKEY_CLASSES_ROOT, buf, &xhkey))
684 ret = REGDB_E_CLASSNOTREG;
686 HeapFree(GetProcessHeap(), 0, buf);
690 buf2 = HeapAlloc(GetProcessHeap(), 0, 255);
692 if (RegQueryValueA(xhkey, NULL, buf2, &buf2len))
693 ret = REGDB_E_CLASSNOTREG;
697 if (CoGetMalloc(0,&mllc))
701 *lplpszProgID = IMalloc_Alloc(mllc, (buf2len+1)*2);
702 lstrcpyAtoW(*lplpszProgID, buf2);
705 HeapFree(GetProcessHeap(), 0, buf2);
712 /******************************************************************************
713 * CLSIDFromProgID16 [COMPOBJ.61]
714 * Converts a program id into the respective GUID. (By using a registry lookup)
716 * riid associated with the progid
718 HRESULT WINAPI CLSIDFromProgID16(
719 LPCOLESTR16 progid, /* [in] program id as found in registry */
720 LPCLSID riid /* [out] associated CLSID */
727 buf = HeapAlloc(GetProcessHeap(),0,strlen(progid)+8);
728 sprintf(buf,"%s\\CLSID",progid);
729 if ((err=RegOpenKeyA(HKEY_CLASSES_ROOT,buf,&xhkey))) {
730 HeapFree(GetProcessHeap(),0,buf);
731 return CO_E_CLASSSTRING;
733 HeapFree(GetProcessHeap(),0,buf);
734 buf2len = sizeof(buf2);
735 if ((err=RegQueryValueA(xhkey,NULL,buf2,&buf2len))) {
737 return CO_E_CLASSSTRING;
740 return CLSIDFromString16(buf2,riid);
743 /******************************************************************************
744 * CLSIDFromProgID [OLE32.2]
745 * Converts a program id into the respective GUID. (By using a registry lookup)
747 * riid associated with the progid
749 HRESULT WINAPI CLSIDFromProgID(
750 LPCOLESTR progid, /* [in] program id as found in registry */
751 LPCLSID riid /* [out] associated CLSID */
753 LPOLESTR16 pid = HEAP_strdupWtoA(GetProcessHeap(),0,progid);
754 HRESULT ret = CLSIDFromProgID16(pid,riid);
756 HeapFree(GetProcessHeap(),0,pid);
762 /*****************************************************************************
763 * CoGetPSClsid [OLE32.22]
765 * This function returns the CLSID of the DLL that implements the proxy and stub
766 * for the specified interface.
768 * It determines this by searching the
769 * HKEY_CLASSES_ROOT\Interface\{string form of riid}\ProxyStubClsid32 in the registry
770 * and any interface id registered by CoRegisterPSClsid within the current process.
772 * FIXME: We only search the registry, not ids registered with CoRegisterPSClsid.
774 HRESULT WINAPI CoGetPSClsid(
775 REFIID riid, /* [in] Interface whose proxy/stub CLSID is to be returned */
776 CLSID *pclsid ) /* [out] Where to store returned proxy/stub CLSID */
782 TRACE("() riid=%s, pclsid=%p\n", debugstr_guid(riid), pclsid);
784 /* Get the input iid as a string */
785 WINE_StringFromCLSID(riid, buf2);
786 /* Allocate memory for the registry key we will construct.
787 (length of iid string plus constant length of static text */
788 buf = HeapAlloc(GetProcessHeap(), 0, strlen(buf2)+27);
791 return (E_OUTOFMEMORY);
794 /* Construct the registry key we want */
795 sprintf(buf,"Interface\\%s\\ProxyStubClsid32", buf2);
798 if (RegOpenKeyA(HKEY_CLASSES_ROOT, buf, &xhkey))
800 HeapFree(GetProcessHeap(),0,buf);
801 return (E_INVALIDARG);
803 HeapFree(GetProcessHeap(),0,buf);
805 /* ... Once we have the key, query the registry to get the
806 value of CLSID as a string, and convert it into a
807 proper CLSID structure to be passed back to the app */
808 buf2len = sizeof(buf2);
809 if ( (RegQueryValueA(xhkey,NULL,buf2,&buf2len)) )
816 /* We have the CLSid we want back from the registry as a string, so
817 lets convert it into a CLSID structure */
818 if ( (CLSIDFromString16(buf2,pclsid)) != NOERROR)
823 TRACE ("() Returning CLSID=%s\n", debugstr_guid(pclsid));
829 /***********************************************************************
832 * This function write a CLSID on stream
834 HRESULT WINAPI WriteClassStm(IStream *pStm,REFCLSID rclsid)
836 TRACE("(%p,%p)\n",pStm,rclsid);
841 return IStream_Write(pStm,rclsid,sizeof(CLSID),NULL);
844 /***********************************************************************
847 * This function read a CLSID from a stream
849 HRESULT WINAPI ReadClassStm(IStream *pStm,REFCLSID rclsid)
854 TRACE("(%p,%p)\n",pStm,rclsid);
859 res = IStream_Read(pStm,(void*)rclsid,sizeof(CLSID),&nbByte);
864 if (nbByte != sizeof(CLSID))
870 /* FIXME: this function is not declared in the WINELIB headers. But where should it go ? */
871 /***********************************************************************
872 * LookupETask (COMPOBJ.94)
874 HRESULT WINAPI LookupETask16(HTASK16 *hTask,LPVOID p) {
875 FIXME("(%p,%p),stub!\n",hTask,p);
876 if ((*hTask = GetCurrentTask()) == hETask) {
877 memcpy(p, Table_ETask, sizeof(Table_ETask));
882 /* FIXME: this function is not declared in the WINELIB headers. But where should it go ? */
883 /***********************************************************************
884 * SetETask (COMPOBJ.95)
886 HRESULT WINAPI SetETask16(HTASK16 hTask, LPVOID p) {
887 FIXME("(%04x,%p),stub!\n",hTask,p);
892 /* FIXME: this function is not declared in the WINELIB headers. But where should it go ? */
893 /***********************************************************************
894 * CallObjectInWOW (COMPOBJ.201)
896 HRESULT WINAPI CallObjectInWOW(LPVOID p1,LPVOID p2) {
897 FIXME("(%p,%p),stub!\n",p1,p2);
901 /******************************************************************************
902 * CoRegisterClassObject16 [COMPOBJ.5]
904 * Don't know where it registers it ...
906 HRESULT WINAPI CoRegisterClassObject16(
909 DWORD dwClsContext, /* [in] CLSCTX flags indicating the context in which to run the executable */
910 DWORD flags, /* [in] REGCLS flags indicating how connections are made */
915 WINE_StringFromCLSID(rclsid,buf);
917 FIXME("(%s,%p,0x%08lx,0x%08lx,%p),stub\n",
918 buf,pUnk,dwClsContext,flags,lpdwRegister
924 /******************************************************************************
925 * CoRevokeClassObject16 [COMPOBJ.6]
928 HRESULT WINAPI CoRevokeClassObject16(DWORD dwRegister /* token on class obj */)
930 FIXME("(0x%08lx),stub!\n", dwRegister);
936 * COM_GetRegisteredClassObject
938 * This internal method is used to scan the registered class list to
939 * find a class object.
942 * rclsid Class ID of the class to find.
943 * dwClsContext Class context to match.
944 * ppv [out] returns a pointer to the class object. Complying
945 * to normal COM usage, this method will increase the
946 * reference count on this object.
948 static HRESULT COM_GetRegisteredClassObject(
953 RegisteredClass* curClass;
961 * Iterate through the whole list and try to match the class ID.
963 curClass = firstRegisteredClass;
965 while (curClass != 0)
968 * Check if we have a match on the class ID.
970 if (IsEqualGUID(&(curClass->classIdentifier), rclsid))
973 * Since we don't do out-of process or DCOM just right away, let's ignore the
978 * We have a match, return the pointer to the class object.
980 *ppUnk = curClass->classObject;
982 IUnknown_AddRef(curClass->classObject);
988 * Step to the next class in the list.
990 curClass = curClass->nextClass;
994 * If we get to here, we haven't found our class.
999 /******************************************************************************
1000 * CoRegisterClassObject [OLE32.36]
1002 * This method will register the class object for a given class ID.
1004 * See the Windows documentation for more details.
1006 HRESULT WINAPI CoRegisterClassObject(
1009 DWORD dwClsContext, /* [in] CLSCTX flags indicating the context in which to run the executable */
1010 DWORD flags, /* [in] REGCLS flags indicating how connections are made */
1011 LPDWORD lpdwRegister
1014 RegisteredClass* newClass;
1015 LPUNKNOWN foundObject;
1019 WINE_StringFromCLSID(rclsid,buf);
1021 TRACE("(%s,%p,0x%08lx,0x%08lx,%p)\n",
1022 buf,pUnk,dwClsContext,flags,lpdwRegister);
1025 * Perform a sanity check on the parameters
1027 if ( (lpdwRegister==0) || (pUnk==0) )
1029 return E_INVALIDARG;
1033 * Initialize the cookie (out parameter)
1038 * First, check if the class is already registered.
1039 * If it is, this should cause an error.
1041 hr = COM_GetRegisteredClassObject(rclsid, dwClsContext, &foundObject);
1046 * The COM_GetRegisteredClassObject increased the reference count on the
1047 * object so it has to be released.
1049 IUnknown_Release(foundObject);
1051 return CO_E_OBJISREG;
1055 * If it is not registered, we must create a new entry for this class and
1056 * append it to the registered class list.
1057 * We use the address of the chain node as the cookie since we are sure it's
1060 newClass = HeapAlloc(GetProcessHeap(), 0, sizeof(RegisteredClass));
1063 * Initialize the node.
1065 newClass->classIdentifier = *rclsid;
1066 newClass->runContext = dwClsContext;
1067 newClass->connectFlags = flags;
1068 newClass->dwCookie = (DWORD)newClass;
1069 newClass->nextClass = firstRegisteredClass;
1072 * Since we're making a copy of the object pointer, we have to increase its
1075 newClass->classObject = pUnk;
1076 IUnknown_AddRef(newClass->classObject);
1078 firstRegisteredClass = newClass;
1081 * Assign the out parameter (cookie)
1083 *lpdwRegister = newClass->dwCookie;
1086 * We're successful Yippee!
1091 /***********************************************************************
1092 * CoRevokeClassObject [OLE32.40]
1094 * This method will remove a class object from the class registry
1096 * See the Windows documentation for more details.
1098 HRESULT WINAPI CoRevokeClassObject(
1101 RegisteredClass** prevClassLink;
1102 RegisteredClass* curClass;
1104 TRACE("(%08lx)\n",dwRegister);
1107 * Iterate through the whole list and try to match the cookie.
1109 curClass = firstRegisteredClass;
1110 prevClassLink = &firstRegisteredClass;
1112 while (curClass != 0)
1115 * Check if we have a match on the cookie.
1117 if (curClass->dwCookie == dwRegister)
1120 * Remove the class from the chain.
1122 *prevClassLink = curClass->nextClass;
1125 * Release the reference to the class object.
1127 IUnknown_Release(curClass->classObject);
1130 * Free the memory used by the chain node.
1132 HeapFree(GetProcessHeap(), 0, curClass);
1138 * Step to the next class in the list.
1140 prevClassLink = &(curClass->nextClass);
1141 curClass = curClass->nextClass;
1145 * If we get to here, we haven't found our class.
1147 return E_INVALIDARG;
1150 /***********************************************************************
1151 * CoGetClassObject [COMPOBJ.7]
1153 HRESULT WINAPI CoGetClassObject(REFCLSID rclsid, DWORD dwClsContext,
1154 LPVOID pvReserved, REFIID iid, LPVOID *ppv)
1156 LPUNKNOWN regClassObject;
1157 HRESULT hres = E_UNEXPECTED;
1159 WCHAR dllName[MAX_PATH+1];
1160 DWORD dllNameLen = sizeof(dllName);
1162 typedef HRESULT (CALLBACK *DllGetClassObjectFunc)(REFCLSID clsid,
1163 REFIID iid, LPVOID *ppv);
1164 DllGetClassObjectFunc DllGetClassObject;
1166 WINE_StringFromCLSID((LPCLSID)rclsid,xclsid);
1168 TRACE("\n\tCLSID:\t%s,\n\tIID:\t%s\n",
1169 debugstr_guid(rclsid),
1174 * First, try and see if we can't match the class ID with one of the
1175 * registered classes.
1177 if (S_OK == COM_GetRegisteredClassObject(rclsid, dwClsContext, ®ClassObject))
1180 * Get the required interface from the retrieved pointer.
1182 hres = IUnknown_QueryInterface(regClassObject, iid, ppv);
1185 * Since QI got another reference on the pointer, we want to release the
1186 * one we already have. If QI was unsuccessful, this will release the object. This
1187 * is good since we are not returning it in the "out" parameter.
1189 IUnknown_Release(regClassObject);
1194 /* out of process and remote servers not supported yet */
1195 if (((CLSCTX_LOCAL_SERVER|CLSCTX_REMOTE_SERVER) & dwClsContext)
1196 && !((CLSCTX_INPROC_SERVER|CLSCTX_INPROC_HANDLER) & dwClsContext)){
1197 FIXME("CLSCTX_LOCAL_SERVER and CLSCTX_REMOTE_SERVER not supported!\n");
1198 return E_ACCESSDENIED;
1201 if ((CLSCTX_INPROC_SERVER|CLSCTX_INPROC_HANDLER) & dwClsContext) {
1203 WCHAR valname[]={ 'I','n','p','r','o','c',
1204 'S','e','r','v','e','r','3','2',0};
1206 /* lookup CLSID in registry key HKCR/CLSID */
1207 hres = RegOpenKeyExA(HKEY_CLASSES_ROOT, "CLSID", 0,
1208 KEY_READ, &CLSIDkey);
1210 if (hres != ERROR_SUCCESS)
1211 return REGDB_E_READREGDB;
1212 hres = RegOpenKeyExA(CLSIDkey,xclsid,0,KEY_QUERY_VALUE,&key);
1213 if (hres != ERROR_SUCCESS) {
1214 RegCloseKey(CLSIDkey);
1215 return REGDB_E_CLASSNOTREG;
1217 memset(dllName,0,sizeof(dllName));
1218 hres = RegQueryValueW(key, valname, dllName, &dllNameLen);
1220 ERR("RegQueryValue of %s failed with hres %lx\n",debugstr_w(dllName),hres);
1221 return REGDB_E_CLASSNOTREG; /* FIXME: check retval */
1224 RegCloseKey(CLSIDkey);
1225 if (hres != ERROR_SUCCESS)
1226 return REGDB_E_READREGDB;
1227 TRACE("found InprocServer32 dll %s\n", debugstr_w(dllName));
1229 /* open dll, call DllGetClassObject */
1230 hLibrary = CoLoadLibrary(dllName, TRUE);
1231 if (hLibrary == 0) {
1232 FIXME("couldn't load InprocServer32 dll %s\n", debugstr_w(dllName));
1233 return E_ACCESSDENIED; /* or should this be CO_E_DLLNOTFOUND? */
1235 DllGetClassObject = (DllGetClassObjectFunc)GetProcAddress(hLibrary, "DllGetClassObject");
1236 if (!DllGetClassObject) {
1237 /* not sure if this should be called here CoFreeLibrary(hLibrary);*/
1238 FIXME("couldn't find function DllGetClassObject in %s\n", debugstr_w(dllName));
1239 return E_ACCESSDENIED;
1243 * Ask the DLL for its class object. (there was a note here about class
1244 * factories but this is good.
1246 return DllGetClassObject(rclsid, iid, ppv);
1251 /***********************************************************************
1252 * CoResumeClassObjects
1254 * Resumes classobjects registered with REGCLS suspended
1256 HRESULT WINAPI CoResumeClassObjects(void)
1262 /***********************************************************************
1265 * This function supplies the CLSID associated with the given filename.
1267 HRESULT WINAPI GetClassFile(LPOLESTR filePathName,CLSID *pclsid)
1271 int nbElm=0,length=0,i=0;
1273 LPOLESTR *pathDec=0,absFile=0,progId=0;
1274 WCHAR extention[100]={0};
1278 /* if the file contain a storage object the return the CLSID writen by IStorage_SetClass method*/
1279 if((StgIsStorageFile(filePathName))==S_OK){
1281 res=StgOpenStorage(filePathName,NULL,STGM_READ | STGM_SHARE_DENY_WRITE,NULL,0,&pstg);
1284 res=ReadClassStg(pstg,pclsid);
1286 IStorage_Release(pstg);
1290 /* if the file is not a storage object then attemps to match various bits in the file against a
1291 pattern in the registry. this case is not frequently used ! so I present only the psodocode for
1294 for(i=0;i<nFileTypes;i++)
1296 for(i=0;j<nPatternsForType;j++){
1301 pat=ReadPatternFromRegistry(i,j);
1302 hFile=CreateFileW(filePathName,,,,,,hFile);
1303 SetFilePosition(hFile,pat.offset);
1304 ReadFile(hFile,buf,pat.size,NULL,NULL);
1305 if (memcmp(buf&pat.mask,pat.pattern.pat.size)==0){
1307 *pclsid=ReadCLSIDFromRegistry(i);
1313 /* if the obove strategies fail then search for the extension key in the registry */
1315 /* get the last element (absolute file) in the path name */
1316 nbElm=FileMonikerImpl_DecomposePath(filePathName,&pathDec);
1317 absFile=pathDec[nbElm-1];
1319 /* failed if the path represente a directory and not an absolute file name*/
1320 if (lstrcmpW(absFile,(LPOLESTR)"\\"))
1321 return MK_E_INVALIDEXTENSION;
1323 /* get the extension of the file */
1324 length=lstrlenW(absFile);
1325 for(i=length-1; ( (i>=0) && (extention[i]=absFile[i]) );i--);
1327 /* get the progId associated to the extension */
1328 progId=CoTaskMemAlloc(sizeProgId);
1330 res=RegQueryValueW(HKEY_CLASSES_ROOT,extention,progId,&sizeProgId);
1332 if (res==ERROR_MORE_DATA){
1334 progId = CoTaskMemRealloc(progId,sizeProgId);
1335 res=RegQueryValueW(HKEY_CLASSES_ROOT,extention,progId,&sizeProgId);
1337 if (res==ERROR_SUCCESS)
1338 /* return the clsid associated to the progId */
1339 res= CLSIDFromProgID(progId,pclsid);
1341 for(i=0; pathDec[i]!=NULL;i++)
1342 CoTaskMemFree(pathDec[i]);
1343 CoTaskMemFree(pathDec);
1345 CoTaskMemFree(progId);
1347 if (res==ERROR_SUCCESS)
1350 return MK_E_INVALIDEXTENSION;
1352 /******************************************************************************
1353 * CoRegisterMessageFilter16 [COMPOBJ.27]
1355 HRESULT WINAPI CoRegisterMessageFilter16(
1356 LPMESSAGEFILTER lpMessageFilter,
1357 LPMESSAGEFILTER *lplpMessageFilter
1359 FIXME("(%p,%p),stub!\n",lpMessageFilter,lplpMessageFilter);
1363 /***********************************************************************
1364 * CoCreateInstance [COMPOBJ.13, OLE32.7]
1366 HRESULT WINAPI CoCreateInstance(
1368 LPUNKNOWN pUnkOuter,
1374 LPCLASSFACTORY lpclf = 0;
1383 * Initialize the "out" parameter
1388 * Get a class factory to construct the object we want.
1390 hres = CoGetClassObject(rclsid,
1400 * Create the object and don't forget to release the factory
1402 hres = IClassFactory_CreateInstance(lpclf, pUnkOuter, iid, ppv);
1403 IClassFactory_Release(lpclf);
1408 /***********************************************************************
1409 * CoCreateInstanceEx [OLE32.165]
1411 HRESULT WINAPI CoCreateInstanceEx(
1413 LPUNKNOWN pUnkOuter,
1415 COSERVERINFO* pServerInfo,
1419 IUnknown* pUnk = NULL;
1422 int successCount = 0;
1427 if ( (cmq==0) || (pResults==NULL))
1428 return E_INVALIDARG;
1430 if (pServerInfo!=NULL)
1431 FIXME("() non-NULL pServerInfo not supported!\n");
1434 * Initialize all the "out" parameters.
1436 for (index = 0; index < cmq; index++)
1438 pResults[index].pItf = NULL;
1439 pResults[index].hr = E_NOINTERFACE;
1443 * Get the object and get its IUnknown pointer.
1445 hr = CoCreateInstance(rclsid,
1455 * Then, query for all the interfaces requested.
1457 for (index = 0; index < cmq; index++)
1459 pResults[index].hr = IUnknown_QueryInterface(pUnk,
1460 pResults[index].pIID,
1461 (VOID**)&(pResults[index].pItf));
1463 if (pResults[index].hr == S_OK)
1468 * Release our temporary unknown pointer.
1470 IUnknown_Release(pUnk);
1472 if (successCount == 0)
1473 return E_NOINTERFACE;
1475 if (successCount!=cmq)
1476 return CO_S_NOTALLINTERFACES;
1481 /***********************************************************************
1482 * CoFreeLibrary [COMPOBJ.13]
1484 void WINAPI CoFreeLibrary(HINSTANCE hLibrary)
1486 OpenDll *ptr, *prev;
1489 /* lookup library in linked list */
1491 for (ptr = openDllList; ptr != NULL; ptr=ptr->next) {
1492 if (ptr->hLibrary == hLibrary) {
1499 /* shouldn't happen if user passed in a valid hLibrary */
1502 /* assert: ptr points to the library entry to free */
1504 /* free library and remove node from list */
1505 FreeLibrary(hLibrary);
1506 if (ptr == openDllList) {
1507 tmp = openDllList->next;
1508 HeapFree(GetProcessHeap(), 0, openDllList);
1512 HeapFree(GetProcessHeap(), 0, ptr);
1519 /***********************************************************************
1520 * CoFreeAllLibraries [COMPOBJ.12]
1522 void WINAPI CoFreeAllLibraries(void)
1526 for (ptr = openDllList; ptr != NULL; ) {
1528 CoFreeLibrary(ptr->hLibrary);
1535 /***********************************************************************
1536 * CoFreeUnusedLibraries [COMPOBJ.17]
1538 void WINAPI CoFreeUnusedLibraries(void)
1541 typedef HRESULT(*DllCanUnloadNowFunc)(void);
1542 DllCanUnloadNowFunc DllCanUnloadNow;
1544 for (ptr = openDllList; ptr != NULL; ) {
1545 DllCanUnloadNow = (DllCanUnloadNowFunc)
1546 GetProcAddress(ptr->hLibrary, "DllCanUnloadNow");
1548 if ( (DllCanUnloadNow != NULL) &&
1549 (DllCanUnloadNow() == S_OK) ) {
1551 CoFreeLibrary(ptr->hLibrary);
1559 /***********************************************************************
1560 * CoFileTimeNow [COMPOBJ.82, OLE32.10]
1562 * the current system time in lpFileTime
1564 HRESULT WINAPI CoFileTimeNow( FILETIME *lpFileTime ) /* [out] the current time */
1566 GetSystemTimeAsFileTime( lpFileTime );
1570 /***********************************************************************
1571 * CoTaskMemAlloc (OLE32.43)
1573 * pointer to newly allocated block
1575 LPVOID WINAPI CoTaskMemAlloc(
1576 ULONG size /* [in] size of memoryblock to be allocated */
1579 HRESULT ret = CoGetMalloc(0,&lpmalloc);
1584 return IMalloc_Alloc(lpmalloc,size);
1586 /***********************************************************************
1587 * CoTaskMemFree (OLE32.44)
1589 VOID WINAPI CoTaskMemFree(
1590 LPVOID ptr /* [in] pointer to be freed */
1593 HRESULT ret = CoGetMalloc(0,&lpmalloc);
1598 IMalloc_Free(lpmalloc, ptr);
1601 /***********************************************************************
1602 * CoTaskMemRealloc (OLE32.45)
1604 * pointer to newly allocated block
1606 LPVOID WINAPI CoTaskMemRealloc(
1608 ULONG size) /* [in] size of memoryblock to be allocated */
1611 HRESULT ret = CoGetMalloc(0,&lpmalloc);
1616 return IMalloc_Realloc(lpmalloc, pvOld, size);
1619 /***********************************************************************
1620 * CoLoadLibrary (OLE32.30)
1622 HINSTANCE WINAPI CoLoadLibrary(LPOLESTR lpszLibName, BOOL bAutoFree)
1628 TRACE("CoLoadLibrary(%p, %d\n", debugstr_w(lpszLibName), bAutoFree);
1630 hLibrary = LoadLibraryExW(lpszLibName, 0, LOAD_WITH_ALTERED_SEARCH_PATH);
1635 if (openDllList == NULL) {
1636 /* empty list -- add first node */
1637 openDllList = (OpenDll*)HeapAlloc(GetProcessHeap(),0, sizeof(OpenDll));
1638 openDllList->hLibrary=hLibrary;
1639 openDllList->next = NULL;
1641 /* search for this dll */
1643 for (ptr = openDllList; ptr->next != NULL; ptr=ptr->next) {
1644 if (ptr->hLibrary == hLibrary) {
1650 /* dll not found, add it */
1652 openDllList = (OpenDll*)HeapAlloc(GetProcessHeap(),0, sizeof(OpenDll));
1653 openDllList->hLibrary = hLibrary;
1654 openDllList->next = tmp;
1661 /***********************************************************************
1662 * CoInitializeWOW (OLE32.27)
1664 HRESULT WINAPI CoInitializeWOW(DWORD x,DWORD y) {
1665 FIXME("(0x%08lx,0x%08lx),stub!\n",x,y);
1669 /******************************************************************************
1670 * CoLockObjectExternal16 [COMPOBJ.63]
1672 HRESULT WINAPI CoLockObjectExternal16(
1673 LPUNKNOWN pUnk, /* [in] object to be locked */
1674 BOOL16 fLock, /* [in] do lock */
1675 BOOL16 fLastUnlockReleases /* [in] ? */
1677 FIXME("(%p,%d,%d),stub!\n",pUnk,fLock,fLastUnlockReleases);
1681 /******************************************************************************
1682 * CoLockObjectExternal [OLE32.31]
1684 HRESULT WINAPI CoLockObjectExternal(
1685 LPUNKNOWN pUnk, /* [in] object to be locked */
1686 BOOL fLock, /* [in] do lock */
1687 BOOL fLastUnlockReleases) /* [in] unlock all */
1693 * Increment the external lock coutner, COM_ExternalLockAddRef also
1694 * increment the object's internal lock counter.
1696 COM_ExternalLockAddRef( pUnk);
1701 * Decrement the external lock coutner, COM_ExternalLockRelease also
1702 * decrement the object's internal lock counter.
1704 COM_ExternalLockRelease( pUnk, fLastUnlockReleases);
1710 /***********************************************************************
1711 * CoGetState16 [COMPOBJ.115]
1713 HRESULT WINAPI CoGetState16(LPDWORD state)
1715 FIXME("(%p),stub!\n", state);
1719 /***********************************************************************
1720 * CoSetState [COM32.42]
1722 HRESULT WINAPI CoSetState(LPDWORD state)
1724 FIXME("(%p),stub!\n", state);
1725 if (state) *state = 0;
1728 /***********************************************************************
1729 * CoCreateFreeThreadedMarshaler [OLE32.5]
1731 HRESULT WINAPI CoCreateFreeThreadedMarshaler (LPUNKNOWN punkOuter, LPUNKNOWN* ppunkMarshal)
1733 FIXME ("(%p %p): stub\n", punkOuter, ppunkMarshal);
1739 /***********************************************************************
1740 * DllGetClassObject [OLE32.63]
1742 HRESULT WINAPI OLE32_DllGetClassObject(REFCLSID rclsid, REFIID iid,LPVOID *ppv)
1744 FIXME("\n\tCLSID:\t%s,\n\tIID:\t%s\n",debugstr_guid(rclsid),debugstr_guid(iid));
1746 return CLASS_E_CLASSNOTAVAILABLE;
1751 * COM_RevokeAllClasses
1753 * This method is called when the COM libraries are uninitialized to
1754 * release all the references to the class objects registered with
1757 static void COM_RevokeAllClasses()
1759 while (firstRegisteredClass!=0)
1761 CoRevokeClassObject(firstRegisteredClass->dwCookie);
1765 /****************************************************************************
1766 * COM External Lock methods implementation
1769 /****************************************************************************
1770 * Public - Method that increments the count for a IUnknown* in the linked
1771 * list. The item is inserted if not already in the list.
1773 static void COM_ExternalLockAddRef(
1776 COM_ExternalLock *externalLock = COM_ExternalLockFind(pUnk);
1779 * Add an external lock to the object. If it was already externally
1780 * locked, just increase the reference count. If it was not.
1781 * add the item to the list.
1783 if ( externalLock == EL_NOT_FOUND )
1784 COM_ExternalLockInsert(pUnk);
1786 externalLock->uRefCount++;
1789 * Add an internal lock to the object
1791 IUnknown_AddRef(pUnk);
1794 /****************************************************************************
1795 * Public - Method that decrements the count for a IUnknown* in the linked
1796 * list. The item is removed from the list if its count end up at zero or if
1799 static void COM_ExternalLockRelease(
1803 COM_ExternalLock *externalLock = COM_ExternalLockFind(pUnk);
1805 if ( externalLock != EL_NOT_FOUND )
1809 externalLock->uRefCount--; /* release external locks */
1810 IUnknown_Release(pUnk); /* release local locks as well */
1812 if ( bRelAll == FALSE )
1813 break; /* perform single release */
1815 } while ( externalLock->uRefCount > 0 );
1817 if ( externalLock->uRefCount == 0 ) /* get rid of the list entry */
1818 COM_ExternalLockDelete(externalLock);
1821 /****************************************************************************
1822 * Public - Method that frees the content of the list.
1824 static void COM_ExternalLockFreeList()
1826 COM_ExternalLock *head;
1828 head = elList.head; /* grab it by the head */
1829 while ( head != EL_END_OF_LIST )
1831 COM_ExternalLockDelete(head); /* get rid of the head stuff */
1833 head = elList.head; /* get the new head... */
1837 /****************************************************************************
1838 * Public - Method that dump the content of the list.
1840 void COM_ExternalLockDump()
1842 COM_ExternalLock *current = elList.head;
1844 DPRINTF("\nExternal lock list contains:\n");
1846 while ( current != EL_END_OF_LIST )
1848 DPRINTF( "\t%p with %lu references count.\n", current->pUnk, current->uRefCount);
1850 /* Skip to the next item */
1851 current = current->next;
1856 /****************************************************************************
1857 * Internal - Find a IUnknown* in the linked list
1859 static COM_ExternalLock* COM_ExternalLockFind(
1862 return COM_ExternalLockLocate(elList.head, pUnk);
1865 /****************************************************************************
1866 * Internal - Recursivity agent for IUnknownExternalLockList_Find
1868 static COM_ExternalLock* COM_ExternalLockLocate(
1869 COM_ExternalLock *element,
1872 if ( element == EL_END_OF_LIST )
1873 return EL_NOT_FOUND;
1875 else if ( element->pUnk == pUnk ) /* We found it */
1878 else /* Not the right guy, keep on looking */
1879 return COM_ExternalLockLocate( element->next, pUnk);
1882 /****************************************************************************
1883 * Internal - Insert a new IUnknown* to the linked list
1885 static BOOL COM_ExternalLockInsert(
1888 COM_ExternalLock *newLock = NULL;
1889 COM_ExternalLock *previousHead = NULL;
1892 * Allocate space for the new storage object
1894 newLock = HeapAlloc(GetProcessHeap(), 0, sizeof(COM_ExternalLock));
1898 if ( elList.head == EL_END_OF_LIST )
1900 elList.head = newLock; /* The list is empty */
1905 * insert does it at the head
1907 previousHead = elList.head;
1908 elList.head = newLock;
1912 * Set new list item data member
1914 newLock->pUnk = pUnk;
1915 newLock->uRefCount = 1;
1916 newLock->next = previousHead;
1924 /****************************************************************************
1925 * Internal - Method that removes an item from the linked list.
1927 static void COM_ExternalLockDelete(
1928 COM_ExternalLock *itemList)
1930 COM_ExternalLock *current = elList.head;
1932 if ( current == itemList )
1935 * this section handles the deletion of the first node
1937 elList.head = itemList->next;
1938 HeapFree( GetProcessHeap(), 0, itemList);
1944 if ( current->next == itemList ) /* We found the item to free */
1946 current->next = itemList->next; /* readjust the list pointers */
1948 HeapFree( GetProcessHeap(), 0, itemList);
1952 /* Skip to the next item */
1953 current = current->next;
1955 } while ( current != EL_END_OF_LIST );
1959 /***********************************************************************
1960 * COMPOBJ_DllEntryPoint [COMPOBJ.entry]
1962 * Initialization code for the COMPOBJ DLL
1966 BOOL WINAPI COMPOBJ_DllEntryPoint(DWORD Reason, HINSTANCE16 hInst, WORD ds, WORD HeapSize, DWORD res1, WORD res2)
1968 TRACE("(%08lx, %04x, %04x, %04x, %08lx, %04x)\n", Reason, hInst, ds, HeapSize,
1972 case DLL_PROCESS_ATTACH:
1974 if(COMPOBJ_hInstance)
1976 ERR("compobj.dll instantiated twice!\n");
1978 * We should return FALSE here, but that will break
1979 * most apps that use CreateProcess because we do
1980 * not yet support seperate address-spaces.
1985 COMPOBJ_hInstance = hInst;
1988 case DLL_PROCESS_DETACH:
1989 if(!--COMPOBJ_Attach)
1990 COMPOBJ_hInstance = 0;
1996 /******************************************************************************
1997 * OleGetAutoConvert [OLE32.104]
1999 HRESULT WINAPI OleGetAutoConvert(REFCLSID clsidOld, LPCLSID pClsidNew)
2006 sprintf(buf,"CLSID\\");WINE_StringFromCLSID(clsidOld,&buf[6]);
2007 if (RegOpenKeyA(HKEY_CLASSES_ROOT,buf,&hkey))
2008 return REGDB_E_CLASSNOTREG;
2010 if (RegQueryValueA(hkey,"AutoConvertTo",buf,&len))
2011 return REGDB_E_KEYMISSING;
2013 lstrcpyAtoW(wbuf,buf);
2014 CLSIDFromString(wbuf,pClsidNew);
2018 /***********************************************************************
2019 * IsEqualGUID [OLE32.76]
2021 * Compares two Unique Identifiers.
2027 BOOL WINAPI IsEqualGUID(
2028 REFGUID rguid1, /* [in] unique id 1 */
2029 REFGUID rguid2 /* [in] unique id 2 */
2032 return !memcmp(rguid1,rguid2,sizeof(GUID));