4 * Copyright 1995 Martin von Loewis
5 * Copyright 1998 Justin Bradford
6 * Copyright 1999 Francis Beaudet
7 * Copyright 1999 Sylvain St-Germain
14 #include <sys/types.h>
17 #ifdef HAVE_SYS_FILE_H
18 # include <sys/file.h>
20 #include <sys/ioctl.h>
21 #ifdef HAVE_SYS_SOCKET_H
22 # include <sys/socket.h>
24 #ifdef HAVE_SYS_SOCKIO_H
25 # include <sys/sockio.h>
30 #ifdef HAVE_NETINET_IN_H
31 # include <netinet/in.h>
41 #include "wine/winbase16.h"
46 #include "debugtools.h"
52 #include "wine/obj_base.h"
53 #include "wine/obj_misc.h"
54 #include "wine/obj_storage.h"
55 #include "wine/obj_clientserver.h"
60 DEFAULT_DEBUG_CHANNEL(ole);
62 /****************************************************************************
63 * COM External Lock structures and methods declaration
65 * This api provides a linked list to managed external references to
68 * The public interface consists of three calls:
69 * COM_ExternalLockAddRef
70 * COM_ExternalLockRelease
71 * COM_ExternalLockFreeList
74 #define EL_END_OF_LIST 0
75 #define EL_NOT_FOUND 0
78 * Declaration of the static structure that manage the
79 * external lock to COM objects.
81 typedef struct COM_ExternalLock COM_ExternalLock;
82 typedef struct COM_ExternalLockList COM_ExternalLockList;
84 struct COM_ExternalLock
86 IUnknown *pUnk; /* IUnknown referenced */
87 ULONG uRefCount; /* external lock counter to IUnknown object*/
88 COM_ExternalLock *next; /* Pointer to next element in list */
91 struct COM_ExternalLockList
93 COM_ExternalLock *head; /* head of list */
97 * Declaration and initialization of the static structure that manages
98 * the external lock to COM objects.
100 static COM_ExternalLockList elList = { EL_END_OF_LIST };
103 * Public Interface to the external lock list
105 static void COM_ExternalLockFreeList();
106 static void COM_ExternalLockAddRef(IUnknown *pUnk);
107 static void COM_ExternalLockRelease(IUnknown *pUnk, BOOL bRelAll);
108 void COM_ExternalLockDump(); /* testing purposes, not static to avoid warning */
111 * Private methods used to managed the linked list
113 static BOOL COM_ExternalLockInsert(
116 static void COM_ExternalLockDelete(
117 COM_ExternalLock *element);
119 static COM_ExternalLock* COM_ExternalLockFind(
122 static COM_ExternalLock* COM_ExternalLockLocate(
123 COM_ExternalLock *element,
126 /****************************************************************************
127 * This section defines variables internal to the COM module.
129 * TODO: Most of these things will have to be made thread-safe.
131 HINSTANCE16 COMPOBJ_hInstance = 0;
132 HINSTANCE COMPOBJ_hInstance32 = 0;
133 static int COMPOBJ_Attach = 0;
135 LPMALLOC16 currentMalloc16=NULL;
136 LPMALLOC currentMalloc32=NULL;
139 WORD Table_ETask[62];
142 * This lock count counts the number of times CoInitialize is called. It is
143 * decreased every time CoUninitialize is called. When it hits 0, the COM
144 * libraries are freed
146 static ULONG s_COMLockCount = 0;
149 * This linked list contains the list of registered class objects. These
150 * are mostly used to register the factories for out-of-proc servers of OLE
153 * TODO: Make this data structure aware of inter-process communication. This
154 * means that parts of this will be exported to the Wine Server.
156 typedef struct tagRegisteredClass
158 CLSID classIdentifier;
159 LPUNKNOWN classObject;
163 struct tagRegisteredClass* nextClass;
166 static RegisteredClass* firstRegisteredClass = NULL;
168 /* this open DLL table belongs in a per process table, but my guess is that
169 * it shouldn't live in the kernel, so I'll put them out here in DLL
170 * space assuming that there is one OLE32 per process.
172 typedef struct tagOpenDll {
174 struct tagOpenDll *next;
177 static OpenDll *openDllList = NULL; /* linked list of open dlls */
179 /*****************************************************************************
180 * This section contains prototypes to internal methods for this
183 static HRESULT COM_GetRegisteredClassObject(REFCLSID rclsid,
187 static void COM_RevokeAllClasses();
190 /******************************************************************************
191 * CoBuildVersion [COMPOBJ.1]
194 * Current build version, hiword is majornumber, loword is minornumber
196 DWORD WINAPI CoBuildVersion(void)
198 TRACE("Returning version %d, build %d.\n", rmm, rup);
199 return (rmm<<16)+rup;
202 /******************************************************************************
203 * CoInitialize16 [COMPOBJ.2]
204 * Set the win16 IMalloc used for memory management
206 HRESULT WINAPI CoInitialize16(
207 LPVOID lpReserved /* [in] pointer to win16 malloc interface */
209 currentMalloc16 = (LPMALLOC16)lpReserved;
213 /******************************************************************************
214 * CoInitialize32 [OLE32.26]
216 * Initializes the COM libraries.
218 * See CoInitializeEx32
220 HRESULT WINAPI CoInitialize(
221 LPVOID lpReserved /* [in] pointer to win32 malloc interface
222 (obsolete, should be NULL) */
226 * Just delegate to the newer method.
228 return CoInitializeEx(lpReserved, COINIT_APARTMENTTHREADED);
231 /******************************************************************************
232 * CoInitializeEx32 [OLE32.163]
234 * Initializes the COM libraries. The behavior used to set the win32 IMalloc
235 * used for memory management is obsolete.
238 * S_OK if successful,
239 * S_FALSE if this function was called already.
240 * RPC_E_CHANGED_MODE if a previous call to CoInitialize specified another
244 * Only the single threaded model is supported. As a result RPC_E_CHANGED_MODE
247 * See the windows documentation for more details.
249 HRESULT WINAPI CoInitializeEx(
250 LPVOID lpReserved, /* [in] pointer to win32 malloc interface
251 (obsolete, should be NULL) */
252 DWORD dwCoInit /* [in] A value from COINIT specifies the threading model */
257 TRACE("(%p, %x)\n", lpReserved, (int)dwCoInit);
259 if (lpReserved!=NULL)
261 ERR("(%p, %x) - Bad parameter passed-in %p, must be an old Windows Application\n", lpReserved, (int)dwCoInit, lpReserved);
265 * Check for unsupported features.
267 if (dwCoInit!=COINIT_APARTMENTTHREADED)
269 FIXME(":(%p,%x): unsupported flag %x\n", lpReserved, (int)dwCoInit, (int)dwCoInit);
270 /* Hope for the best and continue anyway */
274 * Check the lock count. If this is the first time going through the initialize
275 * process, we have to initialize the libraries.
277 if (s_COMLockCount==0)
280 * Initialize the various COM libraries and data structures.
282 TRACE("() - Initializing the COM libraries\n");
284 RunningObjectTableImpl_Initialize();
292 * Crank-up that lock count.
299 /***********************************************************************
300 * CoUninitialize16 [COMPOBJ.3]
301 * Don't know what it does.
302 * 3-Nov-98 -- this was originally misspelled, I changed it to what I
303 * believe is the correct spelling
305 void WINAPI CoUninitialize16(void)
308 CoFreeAllLibraries();
311 /***********************************************************************
312 * CoUninitialize32 [OLE32.47]
314 * This method will release the COM libraries.
316 * See the windows documentation for more details.
318 void WINAPI CoUninitialize(void)
323 * Decrease the reference count.
328 * If we are back to 0 locks on the COM library, make sure we free
329 * all the associated data structures.
331 if (s_COMLockCount==0)
334 * Release the various COM libraries and data structures.
336 TRACE("() - Releasing the COM libraries\n");
338 RunningObjectTableImpl_UnInitialize();
340 * Release the references to the registered class objects.
342 COM_RevokeAllClasses();
345 * This will free the loaded COM Dlls.
347 CoFreeAllLibraries();
350 * This will free list of external references to COM objects.
352 COM_ExternalLockFreeList();
356 /***********************************************************************
357 * CoGetMalloc16 [COMPOBJ.4]
359 * The current win16 IMalloc
361 HRESULT WINAPI CoGetMalloc16(
362 DWORD dwMemContext, /* [in] unknown */
363 LPMALLOC16 * lpMalloc /* [out] current win16 malloc interface */
366 currentMalloc16 = IMalloc16_Constructor();
367 *lpMalloc = currentMalloc16;
371 /******************************************************************************
372 * CoGetMalloc32 [OLE32.20]
375 * The current win32 IMalloc
377 HRESULT WINAPI CoGetMalloc(
378 DWORD dwMemContext, /* [in] unknown */
379 LPMALLOC *lpMalloc /* [out] current win32 malloc interface */
382 currentMalloc32 = IMalloc_Constructor();
383 *lpMalloc = currentMalloc32;
387 /***********************************************************************
388 * CoCreateStandardMalloc16 [COMPOBJ.71]
390 HRESULT WINAPI CoCreateStandardMalloc16(DWORD dwMemContext,
391 LPMALLOC16 *lpMalloc)
393 /* FIXME: docu says we shouldn't return the same allocator as in
395 *lpMalloc = IMalloc16_Constructor();
399 /******************************************************************************
400 * CoDisconnectObject [COMPOBJ.15]
402 HRESULT WINAPI CoDisconnectObject( LPUNKNOWN lpUnk, DWORD reserved )
404 TRACE("%p %lx\n",lpUnk,reserved);
408 /***********************************************************************
409 * IsEqualGUID16 [COMPOBJ.18]
411 * Compares two Unique Identifiers.
416 BOOL16 WINAPI IsEqualGUID16(
417 GUID* g1, /* [in] unique id 1 */
420 return !memcmp( g1, g2, sizeof(GUID) );
423 /***********************************************************************
424 * IsEqualGUID32 [OLE32.76]
426 * Compares two Unique Identifiers.
431 BOOL WINAPI IsEqualGUID32(
432 REFGUID rguid1, /* [in] unique id 1 */
433 REFGUID rguid2 /* [in] unique id 2 */
436 return !memcmp(rguid1,rguid2,sizeof(GUID));
439 /******************************************************************************
440 * CLSIDFromString16 [COMPOBJ.20]
441 * Converts a unique identifier from it's string representation into
444 * Class id: DWORD-WORD-WORD-BYTES[2]-BYTES[6]
449 HRESULT WINAPI CLSIDFromString16(
450 LPCOLESTR16 idstr, /* [in] string representation of guid */
451 CLSID *id /* [out] GUID converted from string */
453 BYTE *s = (BYTE *) idstr;
459 s = "{00000000-0000-0000-0000-000000000000}";
461 TRACE("%s -> %p\n", s, id);
463 /* quick lookup table */
464 memset(table, 0, 256);
466 for (i = 0; i < 10; i++) {
469 for (i = 0; i < 6; i++) {
470 table['A' + i] = i+10;
471 table['a' + i] = i+10;
474 /* in form {XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX} */
477 return OLE_ERROR_OBJECT;
481 s++; /* skip leading brace */
482 for (i = 0; i < 4; i++) {
483 p[3 - i] = table[*s]<<4 | table[*(s+1)];
489 for (i = 0; i < 2; i++) {
490 p[1-i] = table[*s]<<4 | table[*(s+1)];
496 for (i = 0; i < 2; i++) {
497 p[1-i] = table[*s]<<4 | table[*(s+1)];
503 /* these are just sequential bytes */
504 for (i = 0; i < 2; i++) {
505 *p++ = table[*s]<<4 | table[*(s+1)];
510 for (i = 0; i < 6; i++) {
511 *p++ = table[*s]<<4 | table[*(s+1)];
518 /******************************************************************************
519 * CoCreateGuid[OLE32.6]
521 * Creates a 128bit GUID.
522 * Implemented according the DCE specification for UUID generation.
523 * Code is based upon uuid library in e2fsprogs by Theodore Ts'o.
524 * Copyright (C) 1996, 1997 Theodore Ts'o.
528 * S_OK if successful.
530 HRESULT WINAPI CoCreateGuid(
531 GUID *pguid /* [out] points to the GUID to initialize */
533 static char has_init = 0;
535 static int adjustment = 0;
536 static struct timeval last = {0, 0};
537 static UINT16 clock_seq;
539 unsigned long long clock_reg;
540 UINT clock_high, clock_low;
541 UINT16 temp_clock_seq, temp_clock_mid, temp_clock_hi_and_version;
544 struct ifreq ifr, *ifrp;
550 /* Have we already tried to get the MAC address? */
553 /* BSD 4.4 defines the size of an ifreq to be
554 * max(sizeof(ifreq), sizeof(ifreq.ifr_name)+ifreq.ifr_addr.sa_len
555 * However, under earlier systems, sa_len isn't present, so
556 * the size is just sizeof(struct ifreq)
560 # define max(a,b) ((a) > (b) ? (a) : (b))
562 # define ifreq_size(i) max(sizeof(struct ifreq),\
563 sizeof((i).ifr_name)+(i).ifr_addr.sa_len)
565 # define ifreq_size(i) sizeof(struct ifreq)
566 # endif /* HAVE_SA_LEN */
568 sd = socket(AF_INET, SOCK_DGRAM, IPPROTO_IP);
570 /* if we can't open a socket, just use random numbers */
571 /* set the multicast bit to prevent conflicts with real cards */
572 a[0] = (rand() & 0xff) | 0x80;
573 a[1] = rand() & 0xff;
574 a[2] = rand() & 0xff;
575 a[3] = rand() & 0xff;
576 a[4] = rand() & 0xff;
577 a[5] = rand() & 0xff;
579 memset(buf, 0, sizeof(buf));
580 ifc.ifc_len = sizeof(buf);
582 /* get the ifconf interface */
583 if (ioctl (sd, SIOCGIFCONF, (char *)&ifc) < 0) {
585 /* no ifconf, so just use random numbers */
586 /* set the multicast bit to prevent conflicts with real cards */
587 a[0] = (rand() & 0xff) | 0x80;
588 a[1] = rand() & 0xff;
589 a[2] = rand() & 0xff;
590 a[3] = rand() & 0xff;
591 a[4] = rand() & 0xff;
592 a[5] = rand() & 0xff;
594 /* loop through the interfaces, looking for a valid one */
596 for (i = 0; i < n; i+= ifreq_size(*ifr) ) {
597 ifrp = (struct ifreq *)((char *) ifc.ifc_buf+i);
598 strncpy(ifr.ifr_name, ifrp->ifr_name, IFNAMSIZ);
599 /* try to get the address for this interface */
600 # ifdef SIOCGIFHWADDR
601 if (ioctl(sd, SIOCGIFHWADDR, &ifr) < 0)
603 memcpy(a, (unsigned char *)&ifr.ifr_hwaddr.sa_data, 6);
606 if (ioctl(sd, SIOCGENADDR, &ifr) < 0)
608 memcpy(a, (unsigned char *) ifr.ifr_enaddr, 6);
610 /* XXX we don't have a way of getting the hardware address */
614 # endif /* SIOCGENADDR */
615 # endif /* SIOCGIFHWADDR */
616 /* make sure it's not blank */
617 if (!a[0] && !a[1] && !a[2] && !a[3] && !a[4] && !a[5])
622 /* if we didn't find a valid address, make a random one */
623 /* once again, set multicast bit to avoid conflicts */
624 a[0] = (rand() & 0xff) | 0x80;
625 a[1] = rand() & 0xff;
626 a[2] = rand() & 0xff;
627 a[3] = rand() & 0xff;
628 a[4] = rand() & 0xff;
629 a[5] = rand() & 0xff;
636 /* no networking info, so generate a random address */
637 a[0] = (rand() & 0xff) | 0x80;
638 a[1] = rand() & 0xff;
639 a[2] = rand() & 0xff;
640 a[3] = rand() & 0xff;
641 a[4] = rand() & 0xff;
642 a[5] = rand() & 0xff;
643 #endif /* HAVE_NET_IF_H */
647 /* generate time element of GUID */
649 /* Assume that the gettimeofday() has microsecond granularity */
650 #define MAX_ADJUSTMENT 10
653 gettimeofday(&tv, 0);
654 if ((last.tv_sec == 0) && (last.tv_usec == 0)) {
655 clock_seq = ((rand() & 0xff) << 8) + (rand() & 0xff);
660 if ((tv.tv_sec < last.tv_sec) ||
661 ((tv.tv_sec == last.tv_sec) &&
662 (tv.tv_usec < last.tv_usec))) {
663 clock_seq = (clock_seq+1) & 0x1FFF;
665 } else if ((tv.tv_sec == last.tv_sec) &&
666 (tv.tv_usec == last.tv_usec)) {
667 if (adjustment >= MAX_ADJUSTMENT)
673 clock_reg = tv.tv_usec*10 + adjustment;
674 clock_reg += ((unsigned long long) tv.tv_sec)*10000000;
675 clock_reg += (((unsigned long long) 0x01B21DD2) << 32) + 0x13814000;
677 clock_high = clock_reg >> 32;
678 clock_low = clock_reg;
679 temp_clock_seq = clock_seq | 0x8000;
680 temp_clock_mid = (UINT16)clock_high;
681 temp_clock_hi_and_version = (clock_high >> 16) | 0x1000;
683 /* pack the information into the GUID structure */
685 ((unsigned char*)&pguid->Data1)[3] = (unsigned char)clock_low;
687 ((unsigned char*)&pguid->Data1)[2] = (unsigned char)clock_low;
689 ((unsigned char*)&pguid->Data1)[1] = (unsigned char)clock_low;
691 ((unsigned char*)&pguid->Data1)[0] = (unsigned char)clock_low;
693 ((unsigned char*)&pguid->Data2)[1] = (unsigned char)temp_clock_mid;
694 temp_clock_mid >>= 8;
695 ((unsigned char*)&pguid->Data2)[0] = (unsigned char)temp_clock_mid;
697 ((unsigned char*)&pguid->Data3)[1] = (unsigned char)temp_clock_hi_and_version;
698 temp_clock_hi_and_version >>= 8;
699 ((unsigned char*)&pguid->Data3)[0] = (unsigned char)temp_clock_hi_and_version;
701 ((unsigned char*)pguid->Data4)[1] = (unsigned char)temp_clock_seq;
702 temp_clock_seq >>= 8;
703 ((unsigned char*)pguid->Data4)[0] = (unsigned char)temp_clock_seq;
705 ((unsigned char*)pguid->Data4)[2] = a[0];
706 ((unsigned char*)pguid->Data4)[3] = a[1];
707 ((unsigned char*)pguid->Data4)[4] = a[2];
708 ((unsigned char*)pguid->Data4)[5] = a[3];
709 ((unsigned char*)pguid->Data4)[6] = a[4];
710 ((unsigned char*)pguid->Data4)[7] = a[5];
717 /******************************************************************************
718 * CLSIDFromString32 [OLE32.3]
719 * Converts a unique identifier from it's string representation into
724 HRESULT WINAPI CLSIDFromString(
725 LPCOLESTR idstr, /* [in] string representation of GUID */
726 CLSID *id /* [out] GUID represented by above string */
728 LPOLESTR16 xid = HEAP_strdupWtoA(GetProcessHeap(),0,idstr);
729 OLESTATUS ret = CLSIDFromString16(xid,id);
731 HeapFree(GetProcessHeap(),0,xid);
735 /******************************************************************************
736 * WINE_StringFromCLSID [Internal]
737 * Converts a GUID into the respective string representation.
742 * the string representation and OLESTATUS
744 HRESULT WINE_StringFromCLSID(
745 const CLSID *id, /* [in] GUID to be converted */
746 LPSTR idstr /* [out] pointer to buffer to contain converted guid */
748 static const char *hex = "0123456789ABCDEF";
753 { ERR("called with id=Null\n");
758 sprintf(idstr, "{%08lX-%04X-%04X-%02X%02X-",
759 id->Data1, id->Data2, id->Data3,
760 id->Data4[0], id->Data4[1]);
764 for (i = 2; i < 8; i++) {
765 *s++ = hex[id->Data4[i]>>4];
766 *s++ = hex[id->Data4[i] & 0xf];
772 TRACE("%p->%s\n", id, idstr);
777 /******************************************************************************
778 * StringFromCLSID16 [COMPOBJ.19]
779 * Converts a GUID into the respective string representation.
780 * The target string is allocated using the OLE IMalloc.
782 * the string representation and OLESTATUS
784 HRESULT WINAPI StringFromCLSID16(
785 REFCLSID id, /* [in] the GUID to be converted */
786 LPOLESTR16 *idstr /* [out] a pointer to a to-be-allocated segmented pointer pointing to the resulting string */
793 ret = CoGetMalloc16(0,&mllc);
796 args[0] = (DWORD)mllc;
799 /* No need for a Callback entry, we have WOWCallback16Ex which does
800 * everything we need.
802 if (!WOWCallback16Ex(
803 (DWORD)((ICOM_VTABLE(IMalloc16)*)PTR_SEG_TO_LIN(
804 ICOM_VTBL(((LPMALLOC16)PTR_SEG_TO_LIN(mllc))))
811 WARN("CallTo16 IMalloc16 failed\n");
814 return WINE_StringFromCLSID(id,PTR_SEG_TO_LIN(*idstr));
817 /******************************************************************************
818 * StringFromCLSID32 [OLE32.151]
819 * Converts a GUID into the respective string representation.
820 * The target string is allocated using the OLE IMalloc.
822 * the string representation and OLESTATUS
824 HRESULT WINAPI StringFromCLSID(
825 REFCLSID id, /* [in] the GUID to be converted */
826 LPOLESTR *idstr /* [out] a pointer to a to-be-allocated pointer pointing to the resulting string */
832 if ((ret=CoGetMalloc(0,&mllc)))
835 ret=WINE_StringFromCLSID(id,buf);
837 *idstr = IMalloc_Alloc(mllc,strlen(buf)*2+2);
838 lstrcpyAtoW(*idstr,buf);
843 /******************************************************************************
844 * StringFromGUID2 [COMPOBJ.76] [OLE32.152]
846 * Converts a global unique identifier into a string of an API-
847 * specified fixed format. (The usual {.....} stuff.)
850 * The (UNICODE) string representation of the GUID in 'str'
851 * The length of the resulting string, 0 if there was any problem.
854 StringFromGUID2(REFGUID id, LPOLESTR str, INT cmax)
858 if (WINE_StringFromCLSID(id,xguid))
860 if (strlen(xguid)>=cmax)
862 lstrcpyAtoW(str,xguid);
863 return strlen(xguid);
866 /******************************************************************************
867 * ProgIDFromCLSID [OLE32.133]
868 * Converts a class id into the respective Program ID. (By using a registry lookup)
869 * RETURNS S_OK on success
870 * riid associated with the progid
873 HRESULT WINAPI ProgIDFromCLSID(
874 REFCLSID clsid, /* [in] class id as found in registry */
875 LPOLESTR *lplpszProgID/* [out] associated Prog ID */
878 char strCLSID[50], *buf, *buf2;
884 WINE_StringFromCLSID(clsid, strCLSID);
886 buf = HeapAlloc(GetProcessHeap(), 0, strlen(strCLSID)+14);
887 sprintf(buf,"CLSID\\%s\\ProgID", strCLSID);
888 if (RegOpenKeyA(HKEY_CLASSES_ROOT, buf, &xhkey))
889 ret = REGDB_E_CLASSNOTREG;
891 HeapFree(GetProcessHeap(), 0, buf);
895 buf2 = HeapAlloc(GetProcessHeap(), 0, 255);
897 if (RegQueryValueA(xhkey, NULL, buf2, &buf2len))
898 ret = REGDB_E_CLASSNOTREG;
902 if (CoGetMalloc(0,&mllc))
906 *lplpszProgID = IMalloc_Alloc(mllc, (buf2len+1)*2);
907 lstrcpyAtoW(*lplpszProgID, buf2);
910 HeapFree(GetProcessHeap(), 0, buf2);
917 /******************************************************************************
918 * CLSIDFromProgID16 [COMPOBJ.61]
919 * Converts a program id into the respective GUID. (By using a registry lookup)
921 * riid associated with the progid
923 HRESULT WINAPI CLSIDFromProgID16(
924 LPCOLESTR16 progid, /* [in] program id as found in registry */
925 LPCLSID riid /* [out] associated CLSID */
932 buf = HeapAlloc(GetProcessHeap(),0,strlen(progid)+8);
933 sprintf(buf,"%s\\CLSID",progid);
934 if ((err=RegOpenKeyA(HKEY_CLASSES_ROOT,buf,&xhkey))) {
935 HeapFree(GetProcessHeap(),0,buf);
936 return OLE_ERROR_GENERIC;
938 HeapFree(GetProcessHeap(),0,buf);
939 buf2len = sizeof(buf2);
940 if ((err=RegQueryValueA(xhkey,NULL,buf2,&buf2len))) {
942 return OLE_ERROR_GENERIC;
945 return CLSIDFromString16(buf2,riid);
948 /******************************************************************************
949 * CLSIDFromProgID32 [OLE32.2]
950 * Converts a program id into the respective GUID. (By using a registry lookup)
952 * riid associated with the progid
954 HRESULT WINAPI CLSIDFromProgID(
955 LPCOLESTR progid, /* [in] program id as found in registry */
956 LPCLSID riid /* [out] associated CLSID */
958 LPOLESTR16 pid = HEAP_strdupWtoA(GetProcessHeap(),0,progid);
959 OLESTATUS ret = CLSIDFromProgID16(pid,riid);
961 HeapFree(GetProcessHeap(),0,pid);
965 /************************************************************************************************
968 * This function write a CLSID on stream
970 HRESULT WINAPI WriteClassStm(IStream *pStm,REFCLSID rclsid)
972 TRACE("(%p,%p)\n",pStm,rclsid);
977 return IStream_Write(pStm,rclsid,sizeof(CLSID),NULL);
980 /************************************************************************************************
983 * This function read a CLSID from a stream
985 HRESULT WINAPI ReadClassStm(IStream *pStm,REFCLSID rclsid)
990 TRACE("(%p,%p)\n",pStm,rclsid);
995 res = IStream_Read(pStm,(void*)rclsid,sizeof(CLSID),&nbByte);
1000 if (nbByte != sizeof(CLSID))
1006 /* FIXME: this function is not declared in the WINELIB headers. But where should it go ? */
1007 /***********************************************************************
1008 * LookupETask (COMPOBJ.94)
1010 OLESTATUS WINAPI LookupETask16(HTASK16 *hTask,LPVOID p) {
1011 FIXME("(%p,%p),stub!\n",hTask,p);
1012 if ((*hTask = GetCurrentTask()) == hETask) {
1013 memcpy(p, Table_ETask, sizeof(Table_ETask));
1018 /* FIXME: this function is not declared in the WINELIB headers. But where should it go ? */
1019 /***********************************************************************
1020 * SetETask (COMPOBJ.95)
1022 OLESTATUS WINAPI SetETask16(HTASK16 hTask, LPVOID p) {
1023 FIXME("(%04x,%p),stub!\n",hTask,p);
1028 /* FIXME: this function is not declared in the WINELIB headers. But where should it go ? */
1029 /***********************************************************************
1030 * CallObjectInWOW (COMPOBJ.201)
1032 OLESTATUS WINAPI CallObjectInWOW(LPVOID p1,LPVOID p2) {
1033 FIXME("(%p,%p),stub!\n",p1,p2);
1037 /******************************************************************************
1038 * CoRegisterClassObject16 [COMPOBJ.5]
1040 * Don't know where it registers it ...
1042 HRESULT WINAPI CoRegisterClassObject16(
1045 DWORD dwClsContext, /* [in] CLSCTX flags indicating the context in which to run the executable */
1046 DWORD flags, /* [in] REGCLS flags indicating how connections are made */
1047 LPDWORD lpdwRegister
1051 WINE_StringFromCLSID(rclsid,buf);
1053 FIXME("(%s,%p,0x%08lx,0x%08lx,%p),stub\n",
1054 buf,pUnk,dwClsContext,flags,lpdwRegister
1060 /******************************************************************************
1061 * CoRevokeClassObject16 [COMPOBJ.6]
1064 HRESULT WINAPI CoRevokeClassObject16(DWORD dwRegister /* token on class obj */)
1066 FIXME("(0x%08lx),stub!\n", dwRegister);
1072 * COM_GetRegisteredClassObject
1074 * This internal method is used to scan the registered class list to
1075 * find a class object.
1078 * rclsid Class ID of the class to find.
1079 * dwClsContext Class context to match.
1080 * ppv [out] returns a pointer to the class object. Complying
1081 * to normal COM usage, this method will increase the
1082 * reference count on this object.
1084 static HRESULT COM_GetRegisteredClassObject(
1089 RegisteredClass* curClass;
1097 * Iterate through the whole list and try to match the class ID.
1099 curClass = firstRegisteredClass;
1101 while (curClass != 0)
1104 * Check if we have a match on the class ID.
1106 if (IsEqualGUID32(&(curClass->classIdentifier), rclsid))
1109 * Since we don't do out-of process or DCOM just right away, let's ignore the
1114 * We have a match, return the pointer to the class object.
1116 *ppUnk = curClass->classObject;
1118 IUnknown_AddRef(curClass->classObject);
1124 * Step to the next class in the list.
1126 curClass = curClass->nextClass;
1130 * If we get to here, we haven't found our class.
1135 /******************************************************************************
1136 * CoRegisterClassObject32 [OLE32.36]
1138 * This method will register the class object for a given class ID.
1140 * See the Windows documentation for more details.
1142 HRESULT WINAPI CoRegisterClassObject(
1145 DWORD dwClsContext, /* [in] CLSCTX flags indicating the context in which to run the executable */
1146 DWORD flags, /* [in] REGCLS flags indicating how connections are made */
1147 LPDWORD lpdwRegister
1150 RegisteredClass* newClass;
1151 LPUNKNOWN foundObject;
1155 WINE_StringFromCLSID(rclsid,buf);
1157 TRACE("(%s,%p,0x%08lx,0x%08lx,%p)\n",
1158 buf,pUnk,dwClsContext,flags,lpdwRegister);
1161 * Perform a sanity check on the parameters
1163 if ( (lpdwRegister==0) || (pUnk==0) )
1165 return E_INVALIDARG;
1169 * Initialize the cookie (out parameter)
1174 * First, check if the class is already registered.
1175 * If it is, this should cause an error.
1177 hr = COM_GetRegisteredClassObject(rclsid, dwClsContext, &foundObject);
1182 * The COM_GetRegisteredClassObject increased the reference count on the
1183 * object so it has to be released.
1185 IUnknown_Release(foundObject);
1187 return CO_E_OBJISREG;
1191 * If it is not registered, we must create a new entry for this class and
1192 * append it to the registered class list.
1193 * We use the address of the chain node as the cookie since we are sure it's
1196 newClass = HeapAlloc(GetProcessHeap(), 0, sizeof(RegisteredClass));
1199 * Initialize the node.
1201 newClass->classIdentifier = *rclsid;
1202 newClass->runContext = dwClsContext;
1203 newClass->connectFlags = flags;
1204 newClass->dwCookie = (DWORD)newClass;
1205 newClass->nextClass = firstRegisteredClass;
1208 * Since we're making a copy of the object pointer, we have to increase it's
1211 newClass->classObject = pUnk;
1212 IUnknown_AddRef(newClass->classObject);
1214 firstRegisteredClass = newClass;
1217 * Assign the out parameter (cookie)
1219 *lpdwRegister = newClass->dwCookie;
1222 * We're successful Yippee!
1227 /***********************************************************************
1228 * CoRevokeClassObject32 [OLE32.40]
1230 * This method will remove a class object from the class registry
1232 * See the Windows documentation for more details.
1234 HRESULT WINAPI CoRevokeClassObject(
1237 RegisteredClass** prevClassLink;
1238 RegisteredClass* curClass;
1240 TRACE("(%08lx)\n",dwRegister);
1243 * Iterate through the whole list and try to match the cookie.
1245 curClass = firstRegisteredClass;
1246 prevClassLink = &firstRegisteredClass;
1248 while (curClass != 0)
1251 * Check if we have a match on the cookie.
1253 if (curClass->dwCookie == dwRegister)
1256 * Remove the class from the chain.
1258 *prevClassLink = curClass->nextClass;
1261 * Release the reference to the class object.
1263 IUnknown_Release(curClass->classObject);
1266 * Free the memory used by the chain node.
1268 HeapFree(GetProcessHeap(), 0, curClass);
1274 * Step to the next class in the list.
1276 prevClassLink = &(curClass->nextClass);
1277 curClass = curClass->nextClass;
1281 * If we get to here, we haven't found our class.
1283 return E_INVALIDARG;
1286 /***********************************************************************
1287 * CoGetClassObject [COMPOBJ.7]
1289 HRESULT WINAPI CoGetClassObject(REFCLSID rclsid, DWORD dwClsContext,
1290 LPVOID pvReserved, REFIID iid, LPVOID *ppv)
1292 LPUNKNOWN regClassObject;
1293 HRESULT hres = E_UNEXPECTED;
1295 WCHAR dllName[MAX_PATH+1];
1296 DWORD dllNameLen = sizeof(dllName);
1298 typedef HRESULT (CALLBACK *DllGetClassObjectFunc)(REFCLSID clsid,
1299 REFIID iid, LPVOID *ppv);
1300 DllGetClassObjectFunc DllGetClassObject;
1302 WINE_StringFromCLSID((LPCLSID)rclsid,xclsid);
1304 TRACE("\n\tCLSID:\t%s,\n\tIID:\t%s\n",
1305 debugstr_guid(rclsid),
1310 * First, try and see if we can't match the class ID with one of the
1311 * registered classes.
1313 if (S_OK == COM_GetRegisteredClassObject(rclsid, dwClsContext, ®ClassObject))
1316 * Get the required interface from the retrieved pointer.
1318 hres = IUnknown_QueryInterface(regClassObject, iid, ppv);
1321 * Since QI got another reference on the pointer, we want to release the
1322 * one we already have. If QI was unsuccessful, this will release the object. This
1323 * is good since we are not returning it in the "out" parameter.
1325 IUnknown_Release(regClassObject);
1330 /* out of process and remote servers not supported yet */
1331 if (((CLSCTX_LOCAL_SERVER|CLSCTX_REMOTE_SERVER) & dwClsContext)
1332 && !((CLSCTX_INPROC_SERVER|CLSCTX_INPROC_HANDLER) & dwClsContext)){
1333 FIXME("CLSCTX_LOCAL_SERVER and CLSCTX_REMOTE_SERVER not supported!\n");
1334 return E_ACCESSDENIED;
1337 if ((CLSCTX_INPROC_SERVER|CLSCTX_INPROC_HANDLER) & dwClsContext) {
1339 WCHAR valname[]={ 'I','n','p','r','o','c',
1340 'S','e','r','v','e','r','3','2',0};
1342 /* lookup CLSID in registry key HKCR/CLSID */
1343 hres = RegOpenKeyExA(HKEY_CLASSES_ROOT, "CLSID", 0,
1344 KEY_READ, &CLSIDkey);
1346 if (hres != ERROR_SUCCESS)
1347 return REGDB_E_READREGDB;
1348 hres = RegOpenKeyExA(CLSIDkey,xclsid,0,KEY_QUERY_VALUE,&key);
1349 if (hres != ERROR_SUCCESS) {
1350 RegCloseKey(CLSIDkey);
1351 return REGDB_E_CLASSNOTREG;
1353 memset(dllName,0,sizeof(dllName));
1354 hres = RegQueryValueW(key, valname, dllName, &dllNameLen);
1356 ERR("RegQueryValue of %s failed with hres %lx\n",debugstr_w(dllName),hres);
1357 return REGDB_E_CLASSNOTREG; /* FIXME: check retval */
1360 RegCloseKey(CLSIDkey);
1361 if (hres != ERROR_SUCCESS)
1362 return REGDB_E_READREGDB;
1363 TRACE("found InprocServer32 dll %s\n", debugstr_w(dllName));
1365 /* open dll, call DllGetClassFactory */
1366 hLibrary = CoLoadLibrary(dllName, TRUE);
1367 if (hLibrary == 0) {
1368 FIXME("couldn't load InprocServer32 dll %s\n", debugstr_w(dllName));
1369 return E_ACCESSDENIED; /* or should this be CO_E_DLLNOTFOUND? */
1371 DllGetClassObject = (DllGetClassObjectFunc)GetProcAddress(hLibrary, "DllGetClassObject");
1372 if (!DllGetClassObject) {
1373 /* not sure if this should be called here CoFreeLibrary(hLibrary);*/
1374 FIXME("couldn't find function DllGetClassObject in %s\n", debugstr_w(dllName));
1375 return E_ACCESSDENIED;
1379 * Ask the DLL for it's class object. (there was a note here about class
1380 * factories but this is good.
1382 return DllGetClassObject(rclsid, iid, ppv);
1387 /****************************************************************************************
1388 * CoResumeClassObjects
1390 * Resumes classobjects registered with REGCLS suspended
1392 HRESULT WINAPI CoResumeClassObjects(void)
1398 /****************************************************************************************
1401 * This function supplies the CLSID associated with the given filename.
1403 HRESULT WINAPI GetClassFile(LPOLESTR filePathName,CLSID *pclsid)
1407 int nbElm=0,length=0,i=0;
1409 LPOLESTR *pathDec=0,absFile=0,progId=0;
1410 WCHAR extention[100]={0};
1414 /* if the file contain a storage object the return the CLSID writen by IStorage_SetClass method*/
1415 if((StgIsStorageFile(filePathName))==S_OK){
1417 res=StgOpenStorage(filePathName,NULL,STGM_READ | STGM_SHARE_DENY_WRITE,NULL,0,&pstg);
1420 res=ReadClassStg(pstg,pclsid);
1422 IStorage_Release(pstg);
1426 /* if the file is not a storage object then attemps to match various bits in the file against a
1427 pattern in the registry. this case is not frequently used ! so I present only the psodocode for
1430 for(i=0;i<nFileTypes;i++)
1432 for(i=0;j<nPatternsForType;j++){
1437 pat=ReadPatternFromRegistry(i,j);
1438 hFile=CreateFileW(filePathName,,,,,,hFile);
1439 SetFilePosition(hFile,pat.offset);
1440 ReadFile(hFile,buf,pat.size,NULL,NULL);
1441 if (memcmp(buf&pat.mask,pat.pattern.pat.size)==0){
1443 *pclsid=ReadCLSIDFromRegistry(i);
1449 /* if the obove strategies fail then search for the extension key in the registry */
1451 /* get the last element (absolute file) in the path name */
1452 nbElm=FileMonikerImpl_DecomposePath(filePathName,&pathDec);
1453 absFile=pathDec[nbElm-1];
1455 /* failed if the path represente a directory and not an absolute file name*/
1456 if (lstrcmpW(absFile,(LPOLESTR)"\\"))
1457 return MK_E_INVALIDEXTENSION;
1459 /* get the extension of the file */
1460 length=lstrlenW(absFile);
1461 for(i=length-1; ( (i>=0) && (extention[i]=absFile[i]) );i--);
1463 /* get the progId associated to the extension */
1464 progId=CoTaskMemAlloc(sizeProgId);
1466 res=RegQueryValueW(HKEY_CLASSES_ROOT,extention,progId,&sizeProgId);
1468 if (res==ERROR_MORE_DATA){
1470 CoTaskMemRealloc(progId,sizeProgId);
1472 res=RegQueryValueW(HKEY_CLASSES_ROOT,extention,progId,&sizeProgId);
1474 if (res==ERROR_SUCCESS)
1475 /* return the clsid associated to the progId */
1476 res= CLSIDFromProgID(progId,pclsid);
1478 for(i=0; pathDec[i]!=NULL;i++)
1479 CoTaskMemFree(pathDec[i]);
1480 CoTaskMemFree(pathDec);
1482 CoTaskMemFree(progId);
1484 if (res==ERROR_SUCCESS)
1487 return MK_E_INVALIDEXTENSION;
1489 /******************************************************************************
1490 * CoRegisterMessageFilter16 [COMPOBJ.27]
1492 HRESULT WINAPI CoRegisterMessageFilter16(
1493 LPMESSAGEFILTER lpMessageFilter,
1494 LPMESSAGEFILTER *lplpMessageFilter
1496 FIXME("(%p,%p),stub!\n",lpMessageFilter,lplpMessageFilter);
1500 /***********************************************************************
1501 * CoCreateInstance [COMPOBJ.13, OLE32.7]
1503 HRESULT WINAPI CoCreateInstance(
1505 LPUNKNOWN pUnkOuter,
1511 LPCLASSFACTORY lpclf = 0;
1520 * Initialize the "out" parameter
1525 * Get a class factory to construct the object we want.
1527 hres = CoGetClassObject(rclsid,
1537 * Create the object and don't forget to release the factory
1539 hres = IClassFactory_CreateInstance(lpclf, pUnkOuter, iid, ppv);
1540 IClassFactory_Release(lpclf);
1545 /***********************************************************************
1546 * CoCreateInstanceEx [OLE32.165]
1548 HRESULT WINAPI CoCreateInstanceEx(
1550 LPUNKNOWN pUnkOuter,
1552 COSERVERINFO* pServerInfo,
1556 IUnknown* pUnk = NULL;
1559 int successCount = 0;
1564 if ( (cmq==0) || (pResults==NULL))
1565 return E_INVALIDARG;
1567 if (pServerInfo!=NULL)
1568 FIXME("() non-NULL pServerInfo not supported!\n");
1571 * Initialize all the "out" parameters.
1573 for (index = 0; index < cmq; index++)
1575 pResults[index].pItf = NULL;
1576 pResults[index].hr = E_NOINTERFACE;
1580 * Get the object and get it's IUnknown pointer.
1582 hr = CoCreateInstance(rclsid,
1592 * Then, query for all the interfaces requested.
1594 for (index = 0; index < cmq; index++)
1596 pResults[index].hr = IUnknown_QueryInterface(pUnk,
1597 pResults[index].pIID,
1598 (VOID**)&(pResults[index].pItf));
1600 if (pResults[index].hr == S_OK)
1605 * Release our temporary unknown pointer.
1607 IUnknown_Release(pUnk);
1609 if (successCount == 0)
1610 return E_NOINTERFACE;
1612 if (successCount!=cmq)
1613 return CO_S_NOTALLINTERFACES;
1618 /***********************************************************************
1619 * CoFreeLibrary [COMPOBJ.13]
1621 void WINAPI CoFreeLibrary(HINSTANCE hLibrary)
1623 OpenDll *ptr, *prev;
1626 /* lookup library in linked list */
1628 for (ptr = openDllList; ptr != NULL; ptr=ptr->next) {
1629 if (ptr->hLibrary == hLibrary) {
1636 /* shouldn't happen if user passed in a valid hLibrary */
1639 /* assert: ptr points to the library entry to free */
1641 /* free library and remove node from list */
1642 FreeLibrary(hLibrary);
1643 if (ptr == openDllList) {
1644 tmp = openDllList->next;
1645 HeapFree(GetProcessHeap(), 0, openDllList);
1649 HeapFree(GetProcessHeap(), 0, ptr);
1656 /***********************************************************************
1657 * CoFreeAllLibraries [COMPOBJ.12]
1659 void WINAPI CoFreeAllLibraries(void)
1663 for (ptr = openDllList; ptr != NULL; ) {
1665 CoFreeLibrary(ptr->hLibrary);
1672 /***********************************************************************
1673 * CoFreeUnusedLibraries [COMPOBJ.17]
1675 void WINAPI CoFreeUnusedLibraries(void)
1678 typedef HRESULT(*DllCanUnloadNowFunc)(void);
1679 DllCanUnloadNowFunc DllCanUnloadNow;
1681 for (ptr = openDllList; ptr != NULL; ) {
1682 DllCanUnloadNow = (DllCanUnloadNowFunc)
1683 GetProcAddress(ptr->hLibrary, "DllCanUnloadNow");
1685 if ( (DllCanUnloadNow != NULL) &&
1686 (DllCanUnloadNow() == S_OK) ) {
1688 CoFreeLibrary(ptr->hLibrary);
1696 /***********************************************************************
1697 * CoFileTimeNow [COMPOBJ.82, OLE32.10]
1699 * the current system time in lpFileTime
1701 HRESULT WINAPI CoFileTimeNow(
1702 FILETIME *lpFileTime /* [out] the current time */
1704 DOSFS_UnixTimeToFileTime(time(NULL), lpFileTime, 0);
1708 /***********************************************************************
1709 * CoTaskMemAlloc (OLE32.43)
1711 * pointer to newly allocated block
1713 LPVOID WINAPI CoTaskMemAlloc(
1714 ULONG size /* [in] size of memoryblock to be allocated */
1717 HRESULT ret = CoGetMalloc(0,&lpmalloc);
1722 return IMalloc_Alloc(lpmalloc,size);
1724 /***********************************************************************
1725 * CoTaskMemFree (OLE32.44)
1727 VOID WINAPI CoTaskMemFree(
1728 LPVOID ptr /* [in] pointer to be freed */
1731 HRESULT ret = CoGetMalloc(0,&lpmalloc);
1736 IMalloc_Free(lpmalloc, ptr);
1739 /***********************************************************************
1740 * CoTaskMemRealloc (OLE32.45)
1742 * pointer to newly allocated block
1744 LPVOID WINAPI CoTaskMemRealloc(
1746 ULONG size) /* [in] size of memoryblock to be allocated */
1749 HRESULT ret = CoGetMalloc(0,&lpmalloc);
1754 return IMalloc_Realloc(lpmalloc, pvOld, size);
1757 /***********************************************************************
1758 * CoLoadLibrary (OLE32.30)
1760 HINSTANCE WINAPI CoLoadLibrary(LPOLESTR lpszLibName, BOOL bAutoFree)
1766 TRACE("CoLoadLibrary(%p, %d\n", debugstr_w(lpszLibName), bAutoFree);
1768 hLibrary = LoadLibraryExW(lpszLibName, 0, LOAD_WITH_ALTERED_SEARCH_PATH);
1773 if (openDllList == NULL) {
1774 /* empty list -- add first node */
1775 openDllList = (OpenDll*)HeapAlloc(GetProcessHeap(),0, sizeof(OpenDll));
1776 openDllList->hLibrary=hLibrary;
1777 openDllList->next = NULL;
1779 /* search for this dll */
1781 for (ptr = openDllList; ptr->next != NULL; ptr=ptr->next) {
1782 if (ptr->hLibrary == hLibrary) {
1788 /* dll not found, add it */
1790 openDllList = (OpenDll*)HeapAlloc(GetProcessHeap(),0, sizeof(OpenDll));
1791 openDllList->hLibrary = hLibrary;
1792 openDllList->next = tmp;
1799 /***********************************************************************
1800 * CoInitializeWOW (OLE32.27)
1802 HRESULT WINAPI CoInitializeWOW(DWORD x,DWORD y) {
1803 FIXME("(0x%08lx,0x%08lx),stub!\n",x,y);
1807 /******************************************************************************
1808 * CoLockObjectExternal16 [COMPOBJ.63]
1810 HRESULT WINAPI CoLockObjectExternal16(
1811 LPUNKNOWN pUnk, /* [in] object to be locked */
1812 BOOL16 fLock, /* [in] do lock */
1813 BOOL16 fLastUnlockReleases /* [in] ? */
1815 FIXME("(%p,%d,%d),stub!\n",pUnk,fLock,fLastUnlockReleases);
1819 /******************************************************************************
1820 * CoLockObjectExternal32 [OLE32.31]
1822 HRESULT WINAPI CoLockObjectExternal(
1823 LPUNKNOWN pUnk, /* [in] object to be locked */
1824 BOOL fLock, /* [in] do lock */
1825 BOOL fLastUnlockReleases) /* [in] unlock all */
1831 * Increment the external lock coutner, COM_ExternalLockAddRef also
1832 * increment the object's internal lock counter.
1834 COM_ExternalLockAddRef( pUnk);
1839 * Decrement the external lock coutner, COM_ExternalLockRelease also
1840 * decrement the object's internal lock counter.
1842 COM_ExternalLockRelease( pUnk, fLastUnlockReleases);
1848 /***********************************************************************
1849 * CoGetState16 [COMPOBJ.115]
1851 HRESULT WINAPI CoGetState16(LPDWORD state)
1853 FIXME("(%p),stub!\n", state);
1857 /***********************************************************************
1858 * CoSetState32 [COM32.42]
1860 HRESULT WINAPI CoSetState(LPDWORD state)
1862 FIXME("(%p),stub!\n", state);
1863 if (state) *state = 0;
1868 /***********************************************************************
1869 * DllGetClassObject [OLE32.63]
1871 HRESULT WINAPI OLE32_DllGetClassObject(REFCLSID rclsid, REFIID iid,LPVOID *ppv)
1873 FIXME("\n\tCLSID:\t%s,\n\tIID:\t%s\n",debugstr_guid(rclsid),debugstr_guid(iid));
1875 return CLASS_E_CLASSNOTAVAILABLE;
1880 * COM_RevokeAllClasses
1882 * This method is called when the COM libraries are uninitialized to
1883 * release all the references to the class objects registered with
1886 static void COM_RevokeAllClasses()
1888 while (firstRegisteredClass!=0)
1890 CoRevokeClassObject(firstRegisteredClass->dwCookie);
1894 /****************************************************************************
1895 * COM External Lock methods implementation
1898 /****************************************************************************
1899 * Public - Method that increments the count for a IUnknown* in the linked
1900 * list. The item is inserted if not already in the list.
1902 static void COM_ExternalLockAddRef(
1905 COM_ExternalLock *externalLock = COM_ExternalLockFind(pUnk);
1908 * Add an external lock to the object. If it was already externally
1909 * locked, just increase the reference count. If it was not.
1910 * add the item to the list.
1912 if ( externalLock == EL_NOT_FOUND )
1913 COM_ExternalLockInsert(pUnk);
1915 externalLock->uRefCount++;
1918 * Add an internal lock to the object
1920 IUnknown_AddRef(pUnk);
1923 /****************************************************************************
1924 * Public - Method that decrements the count for a IUnknown* in the linked
1925 * list. The item is removed from the list if its count end up at zero or if
1928 static void COM_ExternalLockRelease(
1932 COM_ExternalLock *externalLock = COM_ExternalLockFind(pUnk);
1934 if ( externalLock != EL_NOT_FOUND )
1938 externalLock->uRefCount--; /* release external locks */
1939 IUnknown_Release(pUnk); /* release local locks as well */
1941 if ( bRelAll == FALSE )
1942 break; /* perform single release */
1944 } while ( externalLock->uRefCount > 0 );
1946 if ( externalLock->uRefCount == 0 ) /* get rid of the list entry */
1947 COM_ExternalLockDelete(externalLock);
1950 /****************************************************************************
1951 * Public - Method that frees the content of the list.
1953 static void COM_ExternalLockFreeList()
1955 COM_ExternalLock *head;
1957 head = elList.head; /* grab it by the head */
1958 while ( head != EL_END_OF_LIST )
1960 COM_ExternalLockDelete(head); /* get rid of the head stuff */
1962 head = elList.head; /* get the new head... */
1966 /****************************************************************************
1967 * Public - Method that dump the content of the list.
1969 void COM_ExternalLockDump()
1971 COM_ExternalLock *current = elList.head;
1973 DPRINTF("\nExternal lock list contains:\n");
1975 while ( current != EL_END_OF_LIST )
1977 DPRINTF( "\t%p with %lu references count.\n", current->pUnk, current->uRefCount);
1979 /* Skip to the next item */
1980 current = current->next;
1985 /****************************************************************************
1986 * Internal - Find a IUnknown* in the linked list
1988 static COM_ExternalLock* COM_ExternalLockFind(
1991 return COM_ExternalLockLocate(elList.head, pUnk);
1994 /****************************************************************************
1995 * Internal - Recursivity agent for IUnknownExternalLockList_Find
1997 static COM_ExternalLock* COM_ExternalLockLocate(
1998 COM_ExternalLock *element,
2001 if ( element == EL_END_OF_LIST )
2002 return EL_NOT_FOUND;
2004 else if ( element->pUnk == pUnk ) /* We found it */
2007 else /* Not the right guy, keep on looking */
2008 return COM_ExternalLockLocate( element->next, pUnk);
2011 /****************************************************************************
2012 * Internal - Insert a new IUnknown* to the linked list
2014 static BOOL COM_ExternalLockInsert(
2017 COM_ExternalLock *newLock = NULL;
2018 COM_ExternalLock *previousHead = NULL;
2021 * Allocate space for the new storage object
2023 newLock = HeapAlloc(GetProcessHeap(), 0, sizeof(COM_ExternalLock));
2027 if ( elList.head == EL_END_OF_LIST )
2029 elList.head = newLock; /* The list is empty */
2034 * insert does it at the head
2036 previousHead = elList.head;
2037 elList.head = newLock;
2041 * Set new list item data member
2043 newLock->pUnk = pUnk;
2044 newLock->uRefCount = 1;
2045 newLock->next = previousHead;
2053 /****************************************************************************
2054 * Internal - Method that removes an item from the linked list.
2056 static void COM_ExternalLockDelete(
2057 COM_ExternalLock *itemList)
2059 COM_ExternalLock *current = elList.head;
2061 if ( current == itemList )
2064 * this section handles the deletion of the first node
2066 elList.head = itemList->next;
2067 HeapFree( GetProcessHeap(), 0, itemList);
2073 if ( current->next == itemList ) /* We found the item to free */
2075 current->next = itemList->next; /* readjust the list pointers */
2077 HeapFree( GetProcessHeap(), 0, itemList);
2081 /* Skip to the next item */
2082 current = current->next;
2084 } while ( current != EL_END_OF_LIST );
2088 /***********************************************************************
2089 * COMPOBJ_DllEntryPoint [COMPOBJ.entry]
2091 * Initialization code for the COMPOBJ DLL
2095 BOOL WINAPI COMPOBJ_DllEntryPoint(DWORD Reason, HINSTANCE16 hInst, WORD ds, WORD HeapSize, DWORD res1, WORD res2)
2097 TRACE("(%08lx, %04x, %04x, %04x, %08lx, %04x)\n", Reason, hInst, ds, HeapSize,
2101 case DLL_PROCESS_ATTACH:
2103 if(COMPOBJ_hInstance)
2105 ERR("compobj.dll instantiated twice!\n");
2107 * We should return FALSE here, but that will break
2108 * most apps that use CreateProcess because we do
2109 * not yet support seperate address-spaces.
2114 COMPOBJ_hInstance = hInst;
2117 case DLL_PROCESS_DETACH:
2118 if(!--COMPOBJ_Attach)
2119 COMPOBJ_hInstance = 0;