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"
23 #include "debugtools.h"
28 #include "wine/obj_base.h"
29 #include "wine/obj_misc.h"
30 #include "wine/obj_storage.h"
31 #include "wine/obj_clientserver.h"
35 #include "compobj_private.h"
37 DEFAULT_DEBUG_CHANNEL(ole);
39 /****************************************************************************
40 * COM External Lock structures and methods declaration
42 * This api provides a linked list to managed external references to
45 * The public interface consists of three calls:
46 * COM_ExternalLockAddRef
47 * COM_ExternalLockRelease
48 * COM_ExternalLockFreeList
51 #define EL_END_OF_LIST 0
52 #define EL_NOT_FOUND 0
55 * Declaration of the static structure that manage the
56 * external lock to COM objects.
58 typedef struct COM_ExternalLock COM_ExternalLock;
59 typedef struct COM_ExternalLockList COM_ExternalLockList;
61 struct COM_ExternalLock
63 IUnknown *pUnk; /* IUnknown referenced */
64 ULONG uRefCount; /* external lock counter to IUnknown object*/
65 COM_ExternalLock *next; /* Pointer to next element in list */
68 struct COM_ExternalLockList
70 COM_ExternalLock *head; /* head of list */
74 * Declaration and initialization of the static structure that manages
75 * the external lock to COM objects.
77 static COM_ExternalLockList elList = { EL_END_OF_LIST };
80 * Public Interface to the external lock list
82 static void COM_ExternalLockFreeList();
83 static void COM_ExternalLockAddRef(IUnknown *pUnk);
84 static void COM_ExternalLockRelease(IUnknown *pUnk, BOOL bRelAll);
85 void COM_ExternalLockDump(); /* testing purposes, not static to avoid warning */
88 * Private methods used to managed the linked list
90 static BOOL COM_ExternalLockInsert(
93 static void COM_ExternalLockDelete(
94 COM_ExternalLock *element);
96 static COM_ExternalLock* COM_ExternalLockFind(
99 static COM_ExternalLock* COM_ExternalLockLocate(
100 COM_ExternalLock *element,
103 /****************************************************************************
104 * This section defines variables internal to the COM module.
106 * TODO: Most of these things will have to be made thread-safe.
108 HINSTANCE16 COMPOBJ_hInstance = 0;
109 HINSTANCE COMPOBJ_hInstance32 = 0;
110 static int COMPOBJ_Attach = 0;
112 LPMALLOC16 currentMalloc16=NULL;
113 LPMALLOC currentMalloc32=NULL;
116 WORD Table_ETask[62];
119 * This lock count counts the number of times CoInitialize is called. It is
120 * decreased every time CoUninitialize is called. When it hits 0, the COM
121 * libraries are freed
123 static ULONG s_COMLockCount = 0;
126 * This linked list contains the list of registered class objects. These
127 * are mostly used to register the factories for out-of-proc servers of OLE
130 * TODO: Make this data structure aware of inter-process communication. This
131 * means that parts of this will be exported to the Wine Server.
133 typedef struct tagRegisteredClass
135 CLSID classIdentifier;
136 LPUNKNOWN classObject;
140 struct tagRegisteredClass* nextClass;
143 static RegisteredClass* firstRegisteredClass = NULL;
145 /* this open DLL table belongs in a per process table, but my guess is that
146 * it shouldn't live in the kernel, so I'll put them out here in DLL
147 * space assuming that there is one OLE32 per process.
149 typedef struct tagOpenDll {
151 struct tagOpenDll *next;
154 static OpenDll *openDllList = NULL; /* linked list of open dlls */
156 /*****************************************************************************
157 * This section contains prototypes to internal methods for this
160 static HRESULT COM_GetRegisteredClassObject(REFCLSID rclsid,
164 static void COM_RevokeAllClasses();
167 /******************************************************************************
168 * CoBuildVersion [COMPOBJ.1]
171 * Current build version, hiword is majornumber, loword is minornumber
173 DWORD WINAPI CoBuildVersion(void)
175 TRACE("Returning version %d, build %d.\n", rmm, rup);
176 return (rmm<<16)+rup;
179 /******************************************************************************
180 * CoInitialize16 [COMPOBJ.2]
181 * Set the win16 IMalloc used for memory management
183 HRESULT WINAPI CoInitialize16(
184 LPVOID lpReserved /* [in] pointer to win16 malloc interface */
186 currentMalloc16 = (LPMALLOC16)lpReserved;
190 /******************************************************************************
191 * CoInitialize [OLE32.26]
193 * Initializes the COM libraries.
197 HRESULT WINAPI CoInitialize(
198 LPVOID lpReserved /* [in] pointer to win32 malloc interface
199 (obsolete, should be NULL) */
203 * Just delegate to the newer method.
205 return CoInitializeEx(lpReserved, COINIT_APARTMENTTHREADED);
208 /******************************************************************************
209 * CoInitializeEx [OLE32.163]
211 * Initializes the COM libraries. The behavior used to set the win32 IMalloc
212 * used for memory management is obsolete.
215 * S_OK if successful,
216 * S_FALSE if this function was called already.
217 * RPC_E_CHANGED_MODE if a previous call to CoInitialize specified another
221 * Only the single threaded model is supported. As a result RPC_E_CHANGED_MODE
224 * See the windows documentation for more details.
226 HRESULT WINAPI CoInitializeEx(
227 LPVOID lpReserved, /* [in] pointer to win32 malloc interface
228 (obsolete, should be NULL) */
229 DWORD dwCoInit /* [in] A value from COINIT specifies the threading model */
234 TRACE("(%p, %x)\n", lpReserved, (int)dwCoInit);
236 if (lpReserved!=NULL)
238 ERR("(%p, %x) - Bad parameter passed-in %p, must be an old Windows Application\n", lpReserved, (int)dwCoInit, lpReserved);
242 * Check for unsupported features.
244 if (dwCoInit!=COINIT_APARTMENTTHREADED)
246 FIXME(":(%p,%x): unsupported flag %x\n", lpReserved, (int)dwCoInit, (int)dwCoInit);
247 /* Hope for the best and continue anyway */
251 * Check the lock count. If this is the first time going through the initialize
252 * process, we have to initialize the libraries.
254 if (s_COMLockCount==0)
257 * Initialize the various COM libraries and data structures.
259 TRACE("() - Initializing the COM libraries\n");
261 RunningObjectTableImpl_Initialize();
269 * Crank-up that lock count.
276 /***********************************************************************
277 * CoUninitialize16 [COMPOBJ.3]
278 * Don't know what it does.
279 * 3-Nov-98 -- this was originally misspelled, I changed it to what I
280 * believe is the correct spelling
282 void WINAPI CoUninitialize16(void)
285 CoFreeAllLibraries();
288 /***********************************************************************
289 * CoUninitialize [OLE32.47]
291 * This method will release the COM libraries.
293 * See the windows documentation for more details.
295 void WINAPI CoUninitialize(void)
300 * Decrease the reference count.
305 * If we are back to 0 locks on the COM library, make sure we free
306 * all the associated data structures.
308 if (s_COMLockCount==0)
311 * Release the various COM libraries and data structures.
313 TRACE("() - Releasing the COM libraries\n");
315 RunningObjectTableImpl_UnInitialize();
317 * Release the references to the registered class objects.
319 COM_RevokeAllClasses();
322 * This will free the loaded COM Dlls.
324 CoFreeAllLibraries();
327 * This will free list of external references to COM objects.
329 COM_ExternalLockFreeList();
333 /***********************************************************************
334 * CoGetMalloc16 [COMPOBJ.4]
336 * The current win16 IMalloc
338 HRESULT WINAPI CoGetMalloc16(
339 DWORD dwMemContext, /* [in] unknown */
340 LPMALLOC16 * lpMalloc /* [out] current win16 malloc interface */
343 currentMalloc16 = IMalloc16_Constructor();
344 *lpMalloc = currentMalloc16;
348 /******************************************************************************
349 * CoGetMalloc [OLE32.20]
352 * The current win32 IMalloc
354 HRESULT WINAPI CoGetMalloc(
355 DWORD dwMemContext, /* [in] unknown */
356 LPMALLOC *lpMalloc /* [out] current win32 malloc interface */
359 currentMalloc32 = IMalloc_Constructor();
360 *lpMalloc = currentMalloc32;
364 /***********************************************************************
365 * CoCreateStandardMalloc16 [COMPOBJ.71]
367 HRESULT WINAPI CoCreateStandardMalloc16(DWORD dwMemContext,
368 LPMALLOC16 *lpMalloc)
370 /* FIXME: docu says we shouldn't return the same allocator as in
372 *lpMalloc = IMalloc16_Constructor();
376 /******************************************************************************
377 * CoDisconnectObject [COMPOBJ.15]
379 HRESULT WINAPI CoDisconnectObject( LPUNKNOWN lpUnk, DWORD reserved )
381 TRACE("(%p, %lx)\n",lpUnk,reserved);
385 /***********************************************************************
386 * IsEqualGUID16 [COMPOBJ.18]
388 * Compares two Unique Identifiers.
393 BOOL16 WINAPI IsEqualGUID16(
394 GUID* g1, /* [in] unique id 1 */
395 GUID* g2 /* [in] unique id 2 */
397 return !memcmp( g1, g2, sizeof(GUID) );
400 /******************************************************************************
401 * CLSIDFromString16 [COMPOBJ.20]
402 * Converts a unique identifier from its string representation into
405 * Class id: DWORD-WORD-WORD-BYTES[2]-BYTES[6]
410 HRESULT WINAPI CLSIDFromString16(
411 LPCOLESTR16 idstr, /* [in] string representation of guid */
412 CLSID *id /* [out] GUID converted from string */
414 BYTE *s = (BYTE *) idstr;
420 s = "{00000000-0000-0000-0000-000000000000}";
421 else { /* validate the CLSID string */
424 return CO_E_CLASSSTRING;
426 if ((s[0]!='{') || (s[9]!='-') || (s[14]!='-') || (s[19]!='-') || (s[24]!='-') || (s[37]!='}'))
427 return CO_E_CLASSSTRING;
431 if ((i == 9)||(i == 14)||(i == 19)||(i == 24)) continue;
432 if (!(((s[i] >= '0') && (s[i] <= '9')) ||
433 ((s[i] >= 'a') && (s[i] <= 'f')) ||
434 ((s[i] >= 'A') && (s[i] <= 'F')))
436 return CO_E_CLASSSTRING;
440 TRACE("%s -> %p\n", s, id);
442 /* quick lookup table */
443 memset(table, 0, 256);
445 for (i = 0; i < 10; i++) {
448 for (i = 0; i < 6; i++) {
449 table['A' + i] = i+10;
450 table['a' + i] = i+10;
453 /* in form {XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX} */
457 s++; /* skip leading brace */
458 for (i = 0; i < 4; i++) {
459 p[3 - i] = table[*s]<<4 | table[*(s+1)];
465 for (i = 0; i < 2; i++) {
466 p[1-i] = table[*s]<<4 | table[*(s+1)];
472 for (i = 0; i < 2; i++) {
473 p[1-i] = table[*s]<<4 | table[*(s+1)];
479 /* these are just sequential bytes */
480 for (i = 0; i < 2; i++) {
481 *p++ = table[*s]<<4 | table[*(s+1)];
486 for (i = 0; i < 6; i++) {
487 *p++ = table[*s]<<4 | table[*(s+1)];
494 /******************************************************************************
495 * CoCreateGuid[OLE32.6]
498 HRESULT WINAPI CoCreateGuid(
499 GUID *pguid /* [out] points to the GUID to initialize */
501 return UuidCreate(pguid);
504 /******************************************************************************
505 * CLSIDFromString [OLE32.3]
506 * Converts a unique identifier from its string representation into
510 * If idstr is not a valid CLSID string then it gets treated as a ProgID
515 HRESULT WINAPI CLSIDFromString(
516 LPCOLESTR idstr, /* [in] string representation of GUID */
517 CLSID *id /* [out] GUID represented by above string */
519 LPOLESTR16 xid = HEAP_strdupWtoA(GetProcessHeap(),0,idstr);
520 HRESULT ret = CLSIDFromString16(xid,id);
522 HeapFree(GetProcessHeap(),0,xid);
523 if(ret != S_OK) { /* It appears a ProgID is also valid */
524 ret = CLSIDFromProgID(idstr, id);
529 /******************************************************************************
530 * WINE_StringFromCLSID [Internal]
531 * Converts a GUID into the respective string representation.
536 * the string representation and HRESULT
538 static HRESULT WINE_StringFromCLSID(
539 const CLSID *id, /* [in] GUID to be converted */
540 LPSTR idstr /* [out] pointer to buffer to contain converted guid */
542 static const char *hex = "0123456789ABCDEF";
547 { ERR("called with id=Null\n");
552 sprintf(idstr, "{%08lX-%04X-%04X-%02X%02X-",
553 id->Data1, id->Data2, id->Data3,
554 id->Data4[0], id->Data4[1]);
558 for (i = 2; i < 8; i++) {
559 *s++ = hex[id->Data4[i]>>4];
560 *s++ = hex[id->Data4[i] & 0xf];
566 TRACE("%p->%s\n", id, idstr);
571 /******************************************************************************
572 * StringFromCLSID16 [COMPOBJ.19]
573 * Converts a GUID into the respective string representation.
574 * The target string is allocated using the OLE IMalloc.
576 * the string representation and HRESULT
578 HRESULT WINAPI StringFromCLSID16(
579 REFCLSID id, /* [in] the GUID to be converted */
580 LPOLESTR16 *idstr /* [out] a pointer to a to-be-allocated segmented pointer pointing to the resulting string */
583 extern BOOL WINAPI K32WOWCallback16Ex( DWORD vpfn16, DWORD dwFlags,
584 DWORD cbArgs, LPVOID pArgs, LPDWORD pdwRetCode );
589 ret = CoGetMalloc16(0,&mllc);
592 args[0] = (DWORD)mllc;
595 /* No need for a Callback entry, we have WOWCallback16Ex which does
596 * everything we need.
598 if (!K32WOWCallback16Ex(
599 (DWORD)((ICOM_VTABLE(IMalloc16)*)MapSL(
600 (SEGPTR)ICOM_VTBL(((LPMALLOC16)MapSL((SEGPTR)mllc))))
607 WARN("CallTo16 IMalloc16 failed\n");
610 return WINE_StringFromCLSID(id,MapSL((SEGPTR)*idstr));
613 /******************************************************************************
614 * StringFromCLSID [OLE32.151]
615 * Converts a GUID into the respective string representation.
616 * The target string is allocated using the OLE IMalloc.
618 * the string representation and HRESULT
620 HRESULT WINAPI StringFromCLSID(
621 REFCLSID id, /* [in] the GUID to be converted */
622 LPOLESTR *idstr /* [out] a pointer to a to-be-allocated pointer pointing to the resulting string */
628 if ((ret=CoGetMalloc(0,&mllc)))
631 ret=WINE_StringFromCLSID(id,buf);
633 DWORD len = MultiByteToWideChar( CP_ACP, 0, buf, -1, NULL, 0 );
634 *idstr = IMalloc_Alloc( mllc, len * sizeof(WCHAR) );
635 MultiByteToWideChar( CP_ACP, 0, buf, -1, *idstr, len );
640 /******************************************************************************
641 * StringFromGUID2 [COMPOBJ.76] [OLE32.152]
643 * Converts a global unique identifier into a string of an API-
644 * specified fixed format. (The usual {.....} stuff.)
647 * The (UNICODE) string representation of the GUID in 'str'
648 * The length of the resulting string, 0 if there was any problem.
651 StringFromGUID2(REFGUID id, LPOLESTR str, INT cmax)
655 if (WINE_StringFromCLSID(id,xguid))
657 return MultiByteToWideChar( CP_ACP, 0, xguid, -1, str, cmax );
660 /******************************************************************************
661 * ProgIDFromCLSID [OLE32.133]
662 * Converts a class id into the respective Program ID. (By using a registry lookup)
663 * RETURNS S_OK on success
664 * riid associated with the progid
667 HRESULT WINAPI ProgIDFromCLSID(
668 REFCLSID clsid, /* [in] class id as found in registry */
669 LPOLESTR *lplpszProgID/* [out] associated Prog ID */
672 char strCLSID[50], *buf, *buf2;
678 WINE_StringFromCLSID(clsid, strCLSID);
680 buf = HeapAlloc(GetProcessHeap(), 0, strlen(strCLSID)+14);
681 sprintf(buf,"CLSID\\%s\\ProgID", strCLSID);
682 if (RegOpenKeyA(HKEY_CLASSES_ROOT, buf, &xhkey))
683 ret = REGDB_E_CLASSNOTREG;
685 HeapFree(GetProcessHeap(), 0, buf);
689 buf2 = HeapAlloc(GetProcessHeap(), 0, 255);
691 if (RegQueryValueA(xhkey, NULL, buf2, &buf2len))
692 ret = REGDB_E_CLASSNOTREG;
696 if (CoGetMalloc(0,&mllc))
700 DWORD len = MultiByteToWideChar( CP_ACP, 0, buf2, -1, NULL, 0 );
701 *lplpszProgID = IMalloc_Alloc(mllc, len * sizeof(WCHAR) );
702 MultiByteToWideChar( CP_ACP, 0, buf2, -1, *lplpszProgID, len );
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 /***********************************************************************
830 * WriteClassStm (OLE32.159)
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 /***********************************************************************
845 * ReadClassStm (OLE32.135)
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) /* [in] token on class obj */
930 FIXME("(0x%08lx),stub!\n", dwRegister);
934 /******************************************************************************
935 * CoFileTimeToDosDateTime [COMPOBJ.30]
937 BOOL16 WINAPI CoFileTimeToDosDateTime16(const FILETIME *ft, LPWORD lpDosDate, LPWORD lpDosTime)
939 return FileTimeToDosDateTime(ft, lpDosDate, lpDosTime);
942 /******************************************************************************
943 * CoDosDateTimeToFileTime [COMPOBJ.31]
945 BOOL16 WINAPI CoDosDateTimeToFileTime16(WORD wDosDate, WORD wDosTime, FILETIME *ft)
947 return DosDateTimeToFileTime(wDosDate, wDosTime, ft);
951 * COM_GetRegisteredClassObject
953 * This internal method is used to scan the registered class list to
954 * find a class object.
957 * rclsid Class ID of the class to find.
958 * dwClsContext Class context to match.
959 * ppv [out] returns a pointer to the class object. Complying
960 * to normal COM usage, this method will increase the
961 * reference count on this object.
963 static HRESULT COM_GetRegisteredClassObject(
968 RegisteredClass* curClass;
976 * Iterate through the whole list and try to match the class ID.
978 curClass = firstRegisteredClass;
980 while (curClass != 0)
983 * Check if we have a match on the class ID.
985 if (IsEqualGUID(&(curClass->classIdentifier), rclsid))
988 * Since we don't do out-of process or DCOM just right away, let's ignore the
993 * We have a match, return the pointer to the class object.
995 *ppUnk = curClass->classObject;
997 IUnknown_AddRef(curClass->classObject);
1003 * Step to the next class in the list.
1005 curClass = curClass->nextClass;
1009 * If we get to here, we haven't found our class.
1014 /******************************************************************************
1015 * CoRegisterClassObject [OLE32.36]
1017 * This method will register the class object for a given class ID.
1019 * See the Windows documentation for more details.
1021 HRESULT WINAPI CoRegisterClassObject(
1024 DWORD dwClsContext, /* [in] CLSCTX flags indicating the context in which to run the executable */
1025 DWORD flags, /* [in] REGCLS flags indicating how connections are made */
1026 LPDWORD lpdwRegister
1029 RegisteredClass* newClass;
1030 LPUNKNOWN foundObject;
1034 WINE_StringFromCLSID(rclsid,buf);
1036 TRACE("(%s,%p,0x%08lx,0x%08lx,%p)\n",
1037 buf,pUnk,dwClsContext,flags,lpdwRegister);
1040 * Perform a sanity check on the parameters
1042 if ( (lpdwRegister==0) || (pUnk==0) )
1044 return E_INVALIDARG;
1048 * Initialize the cookie (out parameter)
1053 * First, check if the class is already registered.
1054 * If it is, this should cause an error.
1056 hr = COM_GetRegisteredClassObject(rclsid, dwClsContext, &foundObject);
1061 * The COM_GetRegisteredClassObject increased the reference count on the
1062 * object so it has to be released.
1064 IUnknown_Release(foundObject);
1066 return CO_E_OBJISREG;
1070 * If it is not registered, we must create a new entry for this class and
1071 * append it to the registered class list.
1072 * We use the address of the chain node as the cookie since we are sure it's
1075 newClass = HeapAlloc(GetProcessHeap(), 0, sizeof(RegisteredClass));
1078 * Initialize the node.
1080 newClass->classIdentifier = *rclsid;
1081 newClass->runContext = dwClsContext;
1082 newClass->connectFlags = flags;
1083 newClass->dwCookie = (DWORD)newClass;
1084 newClass->nextClass = firstRegisteredClass;
1087 * Since we're making a copy of the object pointer, we have to increase its
1090 newClass->classObject = pUnk;
1091 IUnknown_AddRef(newClass->classObject);
1093 firstRegisteredClass = newClass;
1096 * Assign the out parameter (cookie)
1098 *lpdwRegister = newClass->dwCookie;
1101 * We're successful Yippee!
1106 /***********************************************************************
1107 * CoRevokeClassObject [OLE32.40]
1109 * This method will remove a class object from the class registry
1111 * See the Windows documentation for more details.
1113 HRESULT WINAPI CoRevokeClassObject(
1116 RegisteredClass** prevClassLink;
1117 RegisteredClass* curClass;
1119 TRACE("(%08lx)\n",dwRegister);
1122 * Iterate through the whole list and try to match the cookie.
1124 curClass = firstRegisteredClass;
1125 prevClassLink = &firstRegisteredClass;
1127 while (curClass != 0)
1130 * Check if we have a match on the cookie.
1132 if (curClass->dwCookie == dwRegister)
1135 * Remove the class from the chain.
1137 *prevClassLink = curClass->nextClass;
1140 * Release the reference to the class object.
1142 IUnknown_Release(curClass->classObject);
1145 * Free the memory used by the chain node.
1147 HeapFree(GetProcessHeap(), 0, curClass);
1153 * Step to the next class in the list.
1155 prevClassLink = &(curClass->nextClass);
1156 curClass = curClass->nextClass;
1160 * If we get to here, we haven't found our class.
1162 return E_INVALIDARG;
1165 /***********************************************************************
1166 * CoGetClassObject [COMPOBJ.7]
1168 HRESULT WINAPI CoGetClassObject(
1169 REFCLSID rclsid, DWORD dwClsContext, COSERVERINFO *pServerInfo,
1170 REFIID iid, LPVOID *ppv
1172 LPUNKNOWN regClassObject;
1173 HRESULT hres = E_UNEXPECTED;
1175 WCHAR dllName[MAX_PATH+1];
1176 DWORD dllNameLen = sizeof(dllName);
1178 typedef HRESULT CALLBACK (*DllGetClassObjectFunc)(REFCLSID clsid,
1179 REFIID iid, LPVOID *ppv);
1180 DllGetClassObjectFunc DllGetClassObject;
1182 WINE_StringFromCLSID((LPCLSID)rclsid,xclsid);
1184 TRACE("\n\tCLSID:\t%s,\n\tIID:\t%s\n",
1185 debugstr_guid(rclsid),
1190 FIXME("\tpServerInfo: name=%s\n",debugstr_w(pServerInfo->pwszName));
1191 FIXME("\t\tpAuthInfo=%p\n",pServerInfo->pAuthInfo);
1195 * First, try and see if we can't match the class ID with one of the
1196 * registered classes.
1198 if (S_OK == COM_GetRegisteredClassObject(rclsid, dwClsContext, ®ClassObject))
1201 * Get the required interface from the retrieved pointer.
1203 hres = IUnknown_QueryInterface(regClassObject, iid, ppv);
1206 * Since QI got another reference on the pointer, we want to release the
1207 * one we already have. If QI was unsuccessful, this will release the object. This
1208 * is good since we are not returning it in the "out" parameter.
1210 IUnknown_Release(regClassObject);
1215 /* out of process and remote servers not supported yet */
1216 if ( ((CLSCTX_LOCAL_SERVER|CLSCTX_REMOTE_SERVER) & dwClsContext)
1217 && !((CLSCTX_INPROC_SERVER|CLSCTX_INPROC_HANDLER) & dwClsContext)
1219 FIXME("%s %s not supported!\n",
1220 (dwClsContext&CLSCTX_LOCAL_SERVER)?"CLSCTX_LOCAL_SERVER":"",
1221 (dwClsContext&CLSCTX_REMOTE_SERVER)?"CLSCTX_REMOTE_SERVER":""
1223 return E_ACCESSDENIED;
1226 if ((CLSCTX_INPROC_SERVER|CLSCTX_INPROC_HANDLER) & dwClsContext) {
1230 sprintf(buf,"CLSID\\%s\\InprocServer32",xclsid);
1231 hres = RegOpenKeyExA(HKEY_CLASSES_ROOT, buf, 0, KEY_READ, &key);
1233 if (hres != ERROR_SUCCESS) {
1234 return REGDB_E_CLASSNOTREG;
1237 memset(dllName,0,sizeof(dllName));
1238 hres= RegQueryValueExW(key,NULL,NULL,NULL,(LPBYTE)dllName,&dllNameLen);
1240 return REGDB_E_CLASSNOTREG; /* FIXME: check retval */
1242 TRACE("found InprocServer32 dll %s\n", debugstr_w(dllName));
1244 /* open dll, call DllGetClassObject */
1245 hLibrary = CoLoadLibrary(dllName, TRUE);
1246 if (hLibrary == 0) {
1247 FIXME("couldn't load InprocServer32 dll %s\n", debugstr_w(dllName));
1248 return E_ACCESSDENIED; /* or should this be CO_E_DLLNOTFOUND? */
1250 DllGetClassObject = (DllGetClassObjectFunc)GetProcAddress(hLibrary, "DllGetClassObject");
1251 if (!DllGetClassObject) {
1252 /* not sure if this should be called here CoFreeLibrary(hLibrary);*/
1253 FIXME("couldn't find function DllGetClassObject in %s\n", debugstr_w(dllName));
1254 return E_ACCESSDENIED;
1258 * Ask the DLL for its class object. (there was a note here about class
1259 * factories but this is good.
1261 return DllGetClassObject(rclsid, iid, ppv);
1266 /***********************************************************************
1267 * CoResumeClassObjects (OLE32.173)
1269 * Resumes classobjects registered with REGCLS suspended
1271 HRESULT WINAPI CoResumeClassObjects(void)
1277 /***********************************************************************
1278 * GetClassFile (OLE32.67)
1280 * This function supplies the CLSID associated with the given filename.
1282 HRESULT WINAPI GetClassFile(LPOLESTR filePathName,CLSID *pclsid)
1286 int nbElm=0,length=0,i=0;
1288 LPOLESTR *pathDec=0,absFile=0,progId=0;
1289 WCHAR extention[100]={0};
1293 /* if the file contain a storage object the return the CLSID writen by IStorage_SetClass method*/
1294 if((StgIsStorageFile(filePathName))==S_OK){
1296 res=StgOpenStorage(filePathName,NULL,STGM_READ | STGM_SHARE_DENY_WRITE,NULL,0,&pstg);
1299 res=ReadClassStg(pstg,pclsid);
1301 IStorage_Release(pstg);
1305 /* if the file is not a storage object then attemps to match various bits in the file against a
1306 pattern in the registry. this case is not frequently used ! so I present only the psodocode for
1309 for(i=0;i<nFileTypes;i++)
1311 for(i=0;j<nPatternsForType;j++){
1316 pat=ReadPatternFromRegistry(i,j);
1317 hFile=CreateFileW(filePathName,,,,,,hFile);
1318 SetFilePosition(hFile,pat.offset);
1319 ReadFile(hFile,buf,pat.size,NULL,NULL);
1320 if (memcmp(buf&pat.mask,pat.pattern.pat.size)==0){
1322 *pclsid=ReadCLSIDFromRegistry(i);
1328 /* if the obove strategies fail then search for the extension key in the registry */
1330 /* get the last element (absolute file) in the path name */
1331 nbElm=FileMonikerImpl_DecomposePath(filePathName,&pathDec);
1332 absFile=pathDec[nbElm-1];
1334 /* failed if the path represente a directory and not an absolute file name*/
1335 if (lstrcmpW(absFile,(LPOLESTR)"\\"))
1336 return MK_E_INVALIDEXTENSION;
1338 /* get the extension of the file */
1339 length=lstrlenW(absFile);
1340 for(i=length-1; ( (i>=0) && (extention[i]=absFile[i]) );i--);
1342 /* get the progId associated to the extension */
1343 progId=CoTaskMemAlloc(sizeProgId);
1345 res=RegQueryValueW(HKEY_CLASSES_ROOT,extention,progId,&sizeProgId);
1347 if (res==ERROR_MORE_DATA){
1349 progId = CoTaskMemRealloc(progId,sizeProgId);
1350 res=RegQueryValueW(HKEY_CLASSES_ROOT,extention,progId,&sizeProgId);
1352 if (res==ERROR_SUCCESS)
1353 /* return the clsid associated to the progId */
1354 res= CLSIDFromProgID(progId,pclsid);
1356 for(i=0; pathDec[i]!=NULL;i++)
1357 CoTaskMemFree(pathDec[i]);
1358 CoTaskMemFree(pathDec);
1360 CoTaskMemFree(progId);
1362 if (res==ERROR_SUCCESS)
1365 return MK_E_INVALIDEXTENSION;
1367 /******************************************************************************
1368 * CoRegisterMessageFilter16 [COMPOBJ.27]
1370 HRESULT WINAPI CoRegisterMessageFilter16(
1371 LPMESSAGEFILTER lpMessageFilter,
1372 LPMESSAGEFILTER *lplpMessageFilter
1374 FIXME("(%p,%p),stub!\n",lpMessageFilter,lplpMessageFilter);
1378 /***********************************************************************
1379 * CoCreateInstance [COMPOBJ.13, OLE32.7]
1381 HRESULT WINAPI CoCreateInstance(
1383 LPUNKNOWN pUnkOuter,
1389 LPCLASSFACTORY lpclf = 0;
1398 * Initialize the "out" parameter
1403 * Get a class factory to construct the object we want.
1405 hres = CoGetClassObject(rclsid,
1412 FIXME("no instance created for %s, hres is 0x%08lx\n",debugstr_guid(iid),hres);
1417 * Create the object and don't forget to release the factory
1419 hres = IClassFactory_CreateInstance(lpclf, pUnkOuter, iid, ppv);
1420 IClassFactory_Release(lpclf);
1425 /***********************************************************************
1426 * CoCreateInstanceEx [OLE32.165]
1428 HRESULT WINAPI CoCreateInstanceEx(
1430 LPUNKNOWN pUnkOuter,
1432 COSERVERINFO* pServerInfo,
1436 IUnknown* pUnk = NULL;
1439 int successCount = 0;
1444 if ( (cmq==0) || (pResults==NULL))
1445 return E_INVALIDARG;
1447 if (pServerInfo!=NULL)
1448 FIXME("() non-NULL pServerInfo not supported!\n");
1451 * Initialize all the "out" parameters.
1453 for (index = 0; index < cmq; index++)
1455 pResults[index].pItf = NULL;
1456 pResults[index].hr = E_NOINTERFACE;
1460 * Get the object and get its IUnknown pointer.
1462 hr = CoCreateInstance(rclsid,
1472 * Then, query for all the interfaces requested.
1474 for (index = 0; index < cmq; index++)
1476 pResults[index].hr = IUnknown_QueryInterface(pUnk,
1477 pResults[index].pIID,
1478 (VOID**)&(pResults[index].pItf));
1480 if (pResults[index].hr == S_OK)
1485 * Release our temporary unknown pointer.
1487 IUnknown_Release(pUnk);
1489 if (successCount == 0)
1490 return E_NOINTERFACE;
1492 if (successCount!=cmq)
1493 return CO_S_NOTALLINTERFACES;
1498 /***********************************************************************
1499 * CoFreeLibrary [COMPOBJ.13]
1501 void WINAPI CoFreeLibrary(HINSTANCE hLibrary)
1503 OpenDll *ptr, *prev;
1506 /* lookup library in linked list */
1508 for (ptr = openDllList; ptr != NULL; ptr=ptr->next) {
1509 if (ptr->hLibrary == hLibrary) {
1516 /* shouldn't happen if user passed in a valid hLibrary */
1519 /* assert: ptr points to the library entry to free */
1521 /* free library and remove node from list */
1522 FreeLibrary(hLibrary);
1523 if (ptr == openDllList) {
1524 tmp = openDllList->next;
1525 HeapFree(GetProcessHeap(), 0, openDllList);
1529 HeapFree(GetProcessHeap(), 0, ptr);
1536 /***********************************************************************
1537 * CoFreeAllLibraries [COMPOBJ.12]
1539 void WINAPI CoFreeAllLibraries(void)
1543 for (ptr = openDllList; ptr != NULL; ) {
1545 CoFreeLibrary(ptr->hLibrary);
1552 /***********************************************************************
1553 * CoFreeUnusedLibraries [COMPOBJ.17]
1555 void WINAPI CoFreeUnusedLibraries(void)
1558 typedef HRESULT(*DllCanUnloadNowFunc)(void);
1559 DllCanUnloadNowFunc DllCanUnloadNow;
1561 for (ptr = openDllList; ptr != NULL; ) {
1562 DllCanUnloadNow = (DllCanUnloadNowFunc)
1563 GetProcAddress(ptr->hLibrary, "DllCanUnloadNow");
1565 if ( (DllCanUnloadNow != NULL) &&
1566 (DllCanUnloadNow() == S_OK) ) {
1568 CoFreeLibrary(ptr->hLibrary);
1576 /***********************************************************************
1577 * CoFileTimeNow [COMPOBJ.82, OLE32.10]
1579 * the current system time in lpFileTime
1581 HRESULT WINAPI CoFileTimeNow( FILETIME *lpFileTime ) /* [out] the current time */
1583 GetSystemTimeAsFileTime( lpFileTime );
1587 /***********************************************************************
1588 * CoTaskMemAlloc (OLE32.43)
1590 * pointer to newly allocated block
1592 LPVOID WINAPI CoTaskMemAlloc(
1593 ULONG size /* [in] size of memoryblock to be allocated */
1596 HRESULT ret = CoGetMalloc(0,&lpmalloc);
1601 return IMalloc_Alloc(lpmalloc,size);
1603 /***********************************************************************
1604 * CoTaskMemFree (OLE32.44)
1606 VOID WINAPI CoTaskMemFree(
1607 LPVOID ptr /* [in] pointer to be freed */
1610 HRESULT ret = CoGetMalloc(0,&lpmalloc);
1615 IMalloc_Free(lpmalloc, ptr);
1618 /***********************************************************************
1619 * CoTaskMemRealloc (OLE32.45)
1621 * pointer to newly allocated block
1623 LPVOID WINAPI CoTaskMemRealloc(
1625 ULONG size) /* [in] size of memoryblock to be allocated */
1628 HRESULT ret = CoGetMalloc(0,&lpmalloc);
1633 return IMalloc_Realloc(lpmalloc, pvOld, size);
1636 /***********************************************************************
1637 * CoLoadLibrary (OLE32.30)
1639 HINSTANCE WINAPI CoLoadLibrary(LPOLESTR lpszLibName, BOOL bAutoFree)
1645 TRACE("(%s, %d)\n", debugstr_w(lpszLibName), bAutoFree);
1647 hLibrary = LoadLibraryExW(lpszLibName, 0, LOAD_WITH_ALTERED_SEARCH_PATH);
1652 if (openDllList == NULL) {
1653 /* empty list -- add first node */
1654 openDllList = (OpenDll*)HeapAlloc(GetProcessHeap(),0, sizeof(OpenDll));
1655 openDllList->hLibrary=hLibrary;
1656 openDllList->next = NULL;
1658 /* search for this dll */
1660 for (ptr = openDllList; ptr->next != NULL; ptr=ptr->next) {
1661 if (ptr->hLibrary == hLibrary) {
1667 /* dll not found, add it */
1669 openDllList = (OpenDll*)HeapAlloc(GetProcessHeap(),0, sizeof(OpenDll));
1670 openDllList->hLibrary = hLibrary;
1671 openDllList->next = tmp;
1678 /***********************************************************************
1679 * CoInitializeWOW (OLE32.27)
1681 HRESULT WINAPI CoInitializeWOW(DWORD x,DWORD y) {
1682 FIXME("(0x%08lx,0x%08lx),stub!\n",x,y);
1686 /******************************************************************************
1687 * CoLockObjectExternal16 [COMPOBJ.63]
1689 HRESULT WINAPI CoLockObjectExternal16(
1690 LPUNKNOWN pUnk, /* [in] object to be locked */
1691 BOOL16 fLock, /* [in] do lock */
1692 BOOL16 fLastUnlockReleases /* [in] ? */
1694 FIXME("(%p,%d,%d),stub!\n",pUnk,fLock,fLastUnlockReleases);
1698 /******************************************************************************
1699 * CoLockObjectExternal [OLE32.31]
1701 HRESULT WINAPI CoLockObjectExternal(
1702 LPUNKNOWN pUnk, /* [in] object to be locked */
1703 BOOL fLock, /* [in] do lock */
1704 BOOL fLastUnlockReleases) /* [in] unlock all */
1710 * Increment the external lock coutner, COM_ExternalLockAddRef also
1711 * increment the object's internal lock counter.
1713 COM_ExternalLockAddRef( pUnk);
1718 * Decrement the external lock coutner, COM_ExternalLockRelease also
1719 * decrement the object's internal lock counter.
1721 COM_ExternalLockRelease( pUnk, fLastUnlockReleases);
1727 /***********************************************************************
1728 * CoGetState16 [COMPOBJ.115]
1730 HRESULT WINAPI CoGetState16(LPDWORD state)
1732 FIXME("(%p),stub!\n", state);
1736 /***********************************************************************
1737 * CoSetState [OLE32.42]
1739 HRESULT WINAPI CoSetState(LPDWORD state)
1741 FIXME("(%p),stub!\n", state);
1742 if (state) *state = 0;
1745 /***********************************************************************
1746 * CoCreateFreeThreadedMarshaler [OLE32.5]
1748 HRESULT WINAPI CoCreateFreeThreadedMarshaler (LPUNKNOWN punkOuter, LPUNKNOWN* ppunkMarshal)
1750 FIXME ("(%p %p): stub\n", punkOuter, ppunkMarshal);
1756 /***********************************************************************
1757 * DllGetClassObject [OLE32.63]
1759 HRESULT WINAPI OLE32_DllGetClassObject(REFCLSID rclsid, REFIID iid,LPVOID *ppv)
1761 FIXME("\n\tCLSID:\t%s,\n\tIID:\t%s\n",debugstr_guid(rclsid),debugstr_guid(iid));
1763 return CLASS_E_CLASSNOTAVAILABLE;
1768 * COM_RevokeAllClasses
1770 * This method is called when the COM libraries are uninitialized to
1771 * release all the references to the class objects registered with
1774 static void COM_RevokeAllClasses()
1776 while (firstRegisteredClass!=0)
1778 CoRevokeClassObject(firstRegisteredClass->dwCookie);
1782 /****************************************************************************
1783 * COM External Lock methods implementation
1786 /****************************************************************************
1787 * Public - Method that increments the count for a IUnknown* in the linked
1788 * list. The item is inserted if not already in the list.
1790 static void COM_ExternalLockAddRef(
1793 COM_ExternalLock *externalLock = COM_ExternalLockFind(pUnk);
1796 * Add an external lock to the object. If it was already externally
1797 * locked, just increase the reference count. If it was not.
1798 * add the item to the list.
1800 if ( externalLock == EL_NOT_FOUND )
1801 COM_ExternalLockInsert(pUnk);
1803 externalLock->uRefCount++;
1806 * Add an internal lock to the object
1808 IUnknown_AddRef(pUnk);
1811 /****************************************************************************
1812 * Public - Method that decrements the count for a IUnknown* in the linked
1813 * list. The item is removed from the list if its count end up at zero or if
1816 static void COM_ExternalLockRelease(
1820 COM_ExternalLock *externalLock = COM_ExternalLockFind(pUnk);
1822 if ( externalLock != EL_NOT_FOUND )
1826 externalLock->uRefCount--; /* release external locks */
1827 IUnknown_Release(pUnk); /* release local locks as well */
1829 if ( bRelAll == FALSE )
1830 break; /* perform single release */
1832 } while ( externalLock->uRefCount > 0 );
1834 if ( externalLock->uRefCount == 0 ) /* get rid of the list entry */
1835 COM_ExternalLockDelete(externalLock);
1838 /****************************************************************************
1839 * Public - Method that frees the content of the list.
1841 static void COM_ExternalLockFreeList()
1843 COM_ExternalLock *head;
1845 head = elList.head; /* grab it by the head */
1846 while ( head != EL_END_OF_LIST )
1848 COM_ExternalLockDelete(head); /* get rid of the head stuff */
1850 head = elList.head; /* get the new head... */
1854 /****************************************************************************
1855 * Public - Method that dump the content of the list.
1857 void COM_ExternalLockDump()
1859 COM_ExternalLock *current = elList.head;
1861 DPRINTF("\nExternal lock list contains:\n");
1863 while ( current != EL_END_OF_LIST )
1865 DPRINTF( "\t%p with %lu references count.\n", current->pUnk, current->uRefCount);
1867 /* Skip to the next item */
1868 current = current->next;
1873 /****************************************************************************
1874 * Internal - Find a IUnknown* in the linked list
1876 static COM_ExternalLock* COM_ExternalLockFind(
1879 return COM_ExternalLockLocate(elList.head, pUnk);
1882 /****************************************************************************
1883 * Internal - Recursivity agent for IUnknownExternalLockList_Find
1885 static COM_ExternalLock* COM_ExternalLockLocate(
1886 COM_ExternalLock *element,
1889 if ( element == EL_END_OF_LIST )
1890 return EL_NOT_FOUND;
1892 else if ( element->pUnk == pUnk ) /* We found it */
1895 else /* Not the right guy, keep on looking */
1896 return COM_ExternalLockLocate( element->next, pUnk);
1899 /****************************************************************************
1900 * Internal - Insert a new IUnknown* to the linked list
1902 static BOOL COM_ExternalLockInsert(
1905 COM_ExternalLock *newLock = NULL;
1906 COM_ExternalLock *previousHead = NULL;
1909 * Allocate space for the new storage object
1911 newLock = HeapAlloc(GetProcessHeap(), 0, sizeof(COM_ExternalLock));
1915 if ( elList.head == EL_END_OF_LIST )
1917 elList.head = newLock; /* The list is empty */
1922 * insert does it at the head
1924 previousHead = elList.head;
1925 elList.head = newLock;
1929 * Set new list item data member
1931 newLock->pUnk = pUnk;
1932 newLock->uRefCount = 1;
1933 newLock->next = previousHead;
1941 /****************************************************************************
1942 * Internal - Method that removes an item from the linked list.
1944 static void COM_ExternalLockDelete(
1945 COM_ExternalLock *itemList)
1947 COM_ExternalLock *current = elList.head;
1949 if ( current == itemList )
1952 * this section handles the deletion of the first node
1954 elList.head = itemList->next;
1955 HeapFree( GetProcessHeap(), 0, itemList);
1961 if ( current->next == itemList ) /* We found the item to free */
1963 current->next = itemList->next; /* readjust the list pointers */
1965 HeapFree( GetProcessHeap(), 0, itemList);
1969 /* Skip to the next item */
1970 current = current->next;
1972 } while ( current != EL_END_OF_LIST );
1976 /***********************************************************************
1977 * COMPOBJ_DllEntryPoint [COMPOBJ.entry]
1979 * Initialization code for the COMPOBJ DLL
1983 BOOL WINAPI COMPOBJ_DllEntryPoint(DWORD Reason, HINSTANCE16 hInst, WORD ds, WORD HeapSize, DWORD res1, WORD res2)
1985 TRACE("(%08lx, %04x, %04x, %04x, %08lx, %04x)\n", Reason, hInst, ds, HeapSize,
1989 case DLL_PROCESS_ATTACH:
1990 if (!COMPOBJ_Attach++) COMPOBJ_hInstance = hInst;
1993 case DLL_PROCESS_DETACH:
1994 if(!--COMPOBJ_Attach)
1995 COMPOBJ_hInstance = 0;
2001 /******************************************************************************
2002 * OleGetAutoConvert [OLE32.104]
2004 HRESULT WINAPI OleGetAutoConvert(REFCLSID clsidOld, LPCLSID pClsidNew)
2012 sprintf(buf,"CLSID\\");WINE_StringFromCLSID(clsidOld,&buf[6]);
2013 if (RegOpenKeyA(HKEY_CLASSES_ROOT,buf,&hkey))
2015 res = REGDB_E_CLASSNOTREG;
2019 /* we can just query for the default value of AutoConvertTo key like that,
2020 without opening the AutoConvertTo key and querying for NULL (default) */
2021 if (RegQueryValueA(hkey,"AutoConvertTo",buf,&len))
2023 res = REGDB_E_KEYMISSING;
2026 MultiByteToWideChar( CP_ACP, 0, buf, -1, wbuf, sizeof(wbuf)/sizeof(WCHAR) );
2027 CLSIDFromString(wbuf,pClsidNew);
2029 if (hkey) RegCloseKey(hkey);
2034 /******************************************************************************
2035 * OleSetAutoConvert [OLE32.126]
2037 HRESULT WINAPI OleSetAutoConvert(REFCLSID clsidOld, REFCLSID clsidNew)
2039 HKEY hkey = 0, hkeyConvert = 0;
2040 char buf[200], szClsidNew[200];
2043 TRACE("(%p,%p);\n", clsidOld, clsidNew);
2044 sprintf(buf,"CLSID\\");WINE_StringFromCLSID(clsidOld,&buf[6]);
2045 WINE_StringFromCLSID(clsidNew, szClsidNew);
2046 if (RegOpenKeyA(HKEY_CLASSES_ROOT,buf,&hkey))
2048 res = REGDB_E_CLASSNOTREG;
2051 if (RegCreateKeyA(hkey, "AutoConvertTo", &hkeyConvert))
2053 res = REGDB_E_WRITEREGDB;
2056 if (RegSetValueExA(hkeyConvert, NULL, 0,
2057 REG_SZ, (LPBYTE)szClsidNew, strlen(szClsidNew)+1))
2059 res = REGDB_E_WRITEREGDB;
2064 if (hkeyConvert) RegCloseKey(hkeyConvert);
2065 if (hkey) RegCloseKey(hkey);
2070 /***********************************************************************
2071 * IsEqualGUID [OLE32.76]
2073 * Compares two Unique Identifiers.
2079 BOOL WINAPI IsEqualGUID(
2080 REFGUID rguid1, /* [in] unique id 1 */
2081 REFGUID rguid2 /* [in] unique id 2 */
2084 return !memcmp(rguid1,rguid2,sizeof(GUID));