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Changed LoadLibraryEx32W16 to use OpenFile16 to look for the file
[wine.git] / dlls / winmm / mci.c
blob2883ee561d3a0715a4dc9475f877d39e6eda548c
1 /* -*- tab-width: 8; c-basic-offset: 4 -*- */
2
3 /*
4 * MCI internal functions
5 *
6 * Copyright 1998/1999 Eric Pouech
7 *
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
12 *
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
17 *
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with this library; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 */
22
23 #include "config.h"
24 #include "wine/port.h"
25
26 #include <stdlib.h>
27 #include <stdarg.h>
28 #include <stdio.h>
29 #include <string.h>
30
31 #include "windef.h"
32 #include "winbase.h"
33 #include "wingdi.h"
34 #include "winreg.h"
35 #include "mmsystem.h"
36 #include "winuser.h"
37 #include "winnls.h"
38 #include "winreg.h"
39
40 #include "digitalv.h"
41 #include "winemm.h"
42
43 #include "wine/debug.h"
44
45 WINE_DEFAULT_DEBUG_CHANNEL(mci);
46
47 static int MCI_InstalledCount;
48 static LPSTR MCI_lpInstallNames /* = NULL */;
49
50 WINMM_MapType (*pFnMciMapMsg16To32A) (WORD,WORD,DWORD*) /* = NULL */;
51 WINMM_MapType (*pFnMciUnMapMsg16To32A)(WORD,WORD,DWORD) /* = NULL */;
52 WINMM_MapType (*pFnMciMapMsg32ATo16) (WORD,WORD,DWORD,DWORD*) /* = NULL */;
53 WINMM_MapType (*pFnMciUnMapMsg32ATo16)(WORD,WORD,DWORD,DWORD) /* = NULL */;
54
55 /* First MCI valid device ID (0 means error) */
56 #define MCI_MAGIC 0x0001
57
58 /* dup a string and uppercase it */
59 inline static LPSTR str_dup_upper( LPCSTR str )
60 {
61 INT len = strlen(str) + 1;
62 LPSTR p = HeapAlloc( GetProcessHeap(), 0, len );
63 if (p)
64 {
65 memcpy( p, str, len );
66 CharUpperA( p );
67 }
68 return p;
69 }
70
71 /**************************************************************************
72 * MCI_GetDriver [internal]
73 */
74 LPWINE_MCIDRIVER MCI_GetDriver(UINT16 wDevID)
75 {
76 LPWINE_MCIDRIVER wmd = 0;
77
78 EnterCriticalSection(&WINMM_IData->cs);
79 for (wmd = WINMM_IData->lpMciDrvs; wmd; wmd = wmd->lpNext) {
80 if (wmd->wDeviceID == wDevID)
81 break;
82 }
83 LeaveCriticalSection(&WINMM_IData->cs);
84 return wmd;
85 }
86
87 /**************************************************************************
88 * MCI_GetDriverFromString [internal]
89 */
90 UINT MCI_GetDriverFromString(LPCSTR lpstrName)
91 {
92 LPWINE_MCIDRIVER wmd;
93 UINT ret = 0;
94
95 if (!lpstrName)
96 return 0;
97
98 if (!lstrcmpiA(lpstrName, "ALL"))
99 return MCI_ALL_DEVICE_ID;
100
101 EnterCriticalSection(&WINMM_IData->cs);
102 for (wmd = WINMM_IData->lpMciDrvs; wmd; wmd = wmd->lpNext) {
103 if (wmd->lpstrElementName && strcmp(wmd->lpstrElementName, lpstrName) == 0) {
104 ret = wmd->wDeviceID;
105 break;
106 }
107 if (wmd->lpstrDeviceType && strcasecmp(wmd->lpstrDeviceType, lpstrName) == 0) {
108 ret = wmd->wDeviceID;
109 break;
110 }
111 if (wmd->lpstrAlias && strcasecmp(wmd->lpstrAlias, lpstrName) == 0) {
112 ret = wmd->wDeviceID;
113 break;
114 }
115 }
116 LeaveCriticalSection(&WINMM_IData->cs);
117
118 return ret;
119 }
120
121 /**************************************************************************
122 * MCI_MessageToString [internal]
123 */
124 const char* MCI_MessageToString(UINT16 wMsg)
125 {
126 static char buffer[100];
127
128 #define CASE(s) case (s): return #s
129
130 switch (wMsg) {
131 CASE(MCI_BREAK);
132 CASE(MCI_CLOSE);
133 CASE(MCI_CLOSE_DRIVER);
134 CASE(MCI_COPY);
135 CASE(MCI_CUE);
136 CASE(MCI_CUT);
137 CASE(MCI_DELETE);
138 CASE(MCI_ESCAPE);
139 CASE(MCI_FREEZE);
140 CASE(MCI_PAUSE);
141 CASE(MCI_PLAY);
142 CASE(MCI_GETDEVCAPS);
143 CASE(MCI_INFO);
144 CASE(MCI_LOAD);
145 CASE(MCI_OPEN);
146 CASE(MCI_OPEN_DRIVER);
147 CASE(MCI_PASTE);
148 CASE(MCI_PUT);
149 CASE(MCI_REALIZE);
150 CASE(MCI_RECORD);
151 CASE(MCI_RESUME);
152 CASE(MCI_SAVE);
153 CASE(MCI_SEEK);
154 CASE(MCI_SET);
155 CASE(MCI_SPIN);
156 CASE(MCI_STATUS);
157 CASE(MCI_STEP);
158 CASE(MCI_STOP);
159 CASE(MCI_SYSINFO);
160 CASE(MCI_UNFREEZE);
161 CASE(MCI_UPDATE);
162 CASE(MCI_WHERE);
163 CASE(MCI_WINDOW);
164 /* constants for digital video */
165 CASE(MCI_CAPTURE);
166 CASE(MCI_MONITOR);
167 CASE(MCI_RESERVE);
168 CASE(MCI_SETAUDIO);
169 CASE(MCI_SIGNAL);
170 CASE(MCI_SETVIDEO);
171 CASE(MCI_QUALITY);
172 CASE(MCI_LIST);
173 CASE(MCI_UNDO);
174 CASE(MCI_CONFIGURE);
175 CASE(MCI_RESTORE);
176 #undef CASE
177 default:
178 sprintf(buffer, "MCI_<<%04X>>", wMsg);
179 return buffer;
180 }
181 }
182
183 /**************************************************************************
184 * MCI_GetDevTypeFromFileName [internal]
185 */
186 static DWORD MCI_GetDevTypeFromFileName(LPCSTR fileName, LPSTR buf, UINT len)
187 {
188 LPSTR tmp;
189 HKEY hKey;
190
191 if ((tmp = strrchr(fileName, '.'))) {
192 if (RegOpenKeyExA( HKEY_LOCAL_MACHINE, "SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\MCI Extensions",
193 0, KEY_QUERY_VALUE, &hKey ) == ERROR_SUCCESS) {
194 DWORD dwLen = len;
195 LONG lRet = RegQueryValueExA( hKey, tmp + 1, 0, 0, buf, &dwLen );
196 RegCloseKey( hKey );
197 if (lRet == ERROR_SUCCESS) return 0;
198 }
199 TRACE("No ...\\MCI Extensions entry for '%s' found.\n", tmp);
200 }
201 return MCIERR_EXTENSION_NOT_FOUND;
202 }
203
204 #define MAX_MCICMDTABLE 20
205 #define MCI_COMMAND_TABLE_NOT_LOADED 0xFFFE
206
207 typedef struct tagWINE_MCICMDTABLE {
208 UINT uDevType;
209 LPCSTR lpTable;
210 UINT nVerbs; /* number of verbs in command table */
211 LPCSTR* aVerbs; /* array of verbs to speed up the verb look up process */
212 } WINE_MCICMDTABLE, *LPWINE_MCICMDTABLE;
213
214 static WINE_MCICMDTABLE S_MciCmdTable[MAX_MCICMDTABLE];
215
216 /**************************************************************************
217 * MCI_IsCommandTableValid [internal]
218 */
219 static BOOL MCI_IsCommandTableValid(UINT uTbl)
220 {
221 LPCSTR lmem, str;
222 DWORD flg;
223 WORD eid;
224 int idx = 0;
225 BOOL inCst = FALSE;
226
227 TRACE("Dumping cmdTbl=%d [lpTable=%p devType=%d]\n",
228 uTbl, S_MciCmdTable[uTbl].lpTable, S_MciCmdTable[uTbl].uDevType);
229
230 if (uTbl >= MAX_MCICMDTABLE || !S_MciCmdTable[uTbl].lpTable)
231 return FALSE;
232
233 lmem = S_MciCmdTable[uTbl].lpTable;
234 do {
235 do {
236 str = lmem;
237 lmem += strlen(lmem) + 1;
238 flg = *(LPDWORD)lmem;
239 eid = *(LPWORD)(lmem + sizeof(DWORD));
240 lmem += sizeof(DWORD) + sizeof(WORD);
241 idx ++;
242 /* EPP TRACE("cmd='%s' %08lx %04x\n", str, flg, eid); */
243 switch (eid) {
244 case MCI_COMMAND_HEAD: if (!*str || !flg) return FALSE; idx = 0; break; /* check unicity of str in table */
245 case MCI_STRING: if (inCst) return FALSE; break;
246 case MCI_INTEGER: if (!*str) return FALSE; break;
247 case MCI_END_COMMAND: if (*str || flg || idx == 0) return FALSE; idx = 0; break;
248 case MCI_RETURN: if (*str || idx != 1) return FALSE; break;
249 case MCI_FLAG: if (!*str) return FALSE; break;
250 case MCI_END_COMMAND_LIST: if (*str || flg) return FALSE; idx = 0; break;
251 case MCI_RECT: if (!*str || inCst) return FALSE; break;
252 case MCI_CONSTANT: if (inCst) return FALSE; inCst = TRUE; break;
253 case MCI_END_CONSTANT: if (*str || flg || !inCst) return FALSE; inCst = FALSE; break;
254 default: return FALSE;
255 }
256 } while (eid != MCI_END_COMMAND_LIST);
257 } while (eid != MCI_END_COMMAND_LIST);
258 return TRUE;
259 }
260
261 /**************************************************************************
262 * MCI_DumpCommandTable [internal]
263 */
264 static BOOL MCI_DumpCommandTable(UINT uTbl)
265 {
266 LPCSTR lmem;
267 LPCSTR str;
268 DWORD flg;
269 WORD eid;
270
271 if (!MCI_IsCommandTableValid(uTbl)) {
272 ERR("Ooops: %d is not valid\n", uTbl);
273 return FALSE;
274 }
275
276 lmem = S_MciCmdTable[uTbl].lpTable;
277 do {
278 do {
279 str = lmem;
280 lmem += strlen(lmem) + 1;
281 flg = *(LPDWORD)lmem;
282 eid = *(LPWORD)(lmem + sizeof(DWORD));
283 TRACE("cmd='%s' %08lx %04x\n", str, flg, eid);
284 lmem += sizeof(DWORD) + sizeof(WORD);
285 } while (eid != MCI_END_COMMAND && eid != MCI_END_COMMAND_LIST);
286 TRACE(" => end of command%s\n", (eid == MCI_END_COMMAND_LIST) ? " list" : "");
287 } while (eid != MCI_END_COMMAND_LIST);
288 return TRUE;
289 }
290
291
292 /**************************************************************************
293 * MCI_GetCommandTable [internal]
294 */
295 static UINT MCI_GetCommandTable(UINT uDevType)
296 {
297 UINT uTbl;
298 char buf[32];
299 LPCSTR str = NULL;
300
301 /* first look up existing for existing devType */
302 for (uTbl = 0; uTbl < MAX_MCICMDTABLE; uTbl++) {
303 if (S_MciCmdTable[uTbl].lpTable && S_MciCmdTable[uTbl].uDevType == uDevType)
304 return uTbl;
305 }
306
307 /* well try to load id */
308 if (uDevType >= MCI_DEVTYPE_FIRST && uDevType <= MCI_DEVTYPE_LAST) {
309 if (LoadStringA(WINMM_IData->hWinMM32Instance, uDevType, buf, sizeof(buf))) {
310 str = buf;
311 }
312 } else if (uDevType == 0) {
313 str = "CORE";
314 }
315 uTbl = MCI_NO_COMMAND_TABLE;
316 if (str) {
317 HRSRC hRsrc = FindResourceA(WINMM_IData->hWinMM32Instance, str, (LPCSTR)RT_RCDATA);
318 HANDLE hMem = 0;
319
320 if (hRsrc) hMem = LoadResource(WINMM_IData->hWinMM32Instance, hRsrc);
321 if (hMem) {
322 uTbl = MCI_SetCommandTable(LockResource(hMem), uDevType);
323 } else {
324 WARN("No command table found in resource %p[%s]\n",
325 WINMM_IData->hWinMM32Instance, str);
326 }
327 }
328 TRACE("=> %d\n", uTbl);
329 return uTbl;
330 }
331
332 /**************************************************************************
333 * MCI_SetCommandTable [internal]
334 */
335 UINT MCI_SetCommandTable(void *table, UINT uDevType)
336 {
337 int uTbl;
338 static BOOL bInitDone = FALSE;
339
340 /* <HACK>
341 * The CORE command table must be loaded first, so that MCI_GetCommandTable()
342 * can be called with 0 as a uDevType to retrieve it.
343 * </HACK>
344 */
345 if (!bInitDone) {
346 bInitDone = TRUE;
347 MCI_GetCommandTable(0);
348 }
349
350 for (uTbl = 0; uTbl < MAX_MCICMDTABLE; uTbl++) {
351 if (!S_MciCmdTable[uTbl].lpTable) {
352 LPCSTR lmem, str;
353 WORD eid;
354 WORD count;
355
356 S_MciCmdTable[uTbl].uDevType = uDevType;
357 S_MciCmdTable[uTbl].lpTable = table;
358
359 if (TRACE_ON(mci)) {
360 MCI_DumpCommandTable(uTbl);
361 }
362
363 /* create the verbs table */
364 /* get # of entries */
365 lmem = S_MciCmdTable[uTbl].lpTable;
366 count = 0;
367 do {
368 lmem += strlen(lmem) + 1;
369 eid = *(LPWORD)(lmem + sizeof(DWORD));
370 lmem += sizeof(DWORD) + sizeof(WORD);
371 if (eid == MCI_COMMAND_HEAD)
372 count++;
373 } while (eid != MCI_END_COMMAND_LIST);
374
375 S_MciCmdTable[uTbl].aVerbs = HeapAlloc(GetProcessHeap(), 0, count * sizeof(LPCSTR));
376 S_MciCmdTable[uTbl].nVerbs = count;
377
378 lmem = S_MciCmdTable[uTbl].lpTable;
379 count = 0;
380 do {
381 str = lmem;
382 lmem += strlen(lmem) + 1;
383 eid = *(LPWORD)(lmem + sizeof(DWORD));
384 lmem += sizeof(DWORD) + sizeof(WORD);
385 if (eid == MCI_COMMAND_HEAD)
386 S_MciCmdTable[uTbl].aVerbs[count++] = str;
387 } while (eid != MCI_END_COMMAND_LIST);
388 /* assert(count == S_MciCmdTable[uTbl].nVerbs); */
389 return uTbl;
390 }
391 }
392
393 return MCI_NO_COMMAND_TABLE;
394 }
395
396 /**************************************************************************
397 * MCI_DeleteCommandTable [internal]
398 */
399 static BOOL MCI_DeleteCommandTable(UINT uTbl)
400 {
401 if (uTbl >= MAX_MCICMDTABLE || !S_MciCmdTable[uTbl].lpTable)
402 return FALSE;
403
404 S_MciCmdTable[uTbl].lpTable = NULL;
405 if (S_MciCmdTable[uTbl].aVerbs) {
406 HeapFree(GetProcessHeap(), 0, S_MciCmdTable[uTbl].aVerbs);
407 S_MciCmdTable[uTbl].aVerbs = 0;
408 }
409 return TRUE;
410 }
411
412 /**************************************************************************
413 * MCI_UnLoadMciDriver [internal]
414 */
415 static BOOL MCI_UnLoadMciDriver(LPWINE_MCIDRIVER wmd)
416 {
417 LPWINE_MCIDRIVER* tmp;
418
419 if (!wmd)
420 return TRUE;
421
422 CloseDriver(wmd->hDriver, 0, 0);
423
424 if (wmd->dwPrivate != 0)
425 WARN("Unloading mci driver with non nul dwPrivate field\n");
426
427 EnterCriticalSection(&WINMM_IData->cs);
428 for (tmp = &WINMM_IData->lpMciDrvs; *tmp; tmp = &(*tmp)->lpNext) {
429 if (*tmp == wmd) {
430 *tmp = wmd->lpNext;
431 break;
432 }
433 }
434 LeaveCriticalSection(&WINMM_IData->cs);
435
436 HeapFree(GetProcessHeap(), 0, wmd->lpstrDeviceType);
437 HeapFree(GetProcessHeap(), 0, wmd->lpstrAlias);
438 HeapFree(GetProcessHeap(), 0, wmd->lpstrElementName);
439
440 HeapFree(GetProcessHeap(), 0, wmd);
441 return TRUE;
442 }
443
444 /**************************************************************************
445 * MCI_OpenMciDriver [internal]
446 */
447 static BOOL MCI_OpenMciDriver(LPWINE_MCIDRIVER wmd, LPCSTR drvTyp, LPARAM lp)
448 {
449 char libName[128];
450
451 if (!DRIVER_GetLibName(drvTyp, "mci", libName, sizeof(libName)))
452 return FALSE;
453
454 wmd->bIs32 = 0xFFFF;
455 /* First load driver */
456 if ((wmd->hDriver = (HDRVR)DRIVER_TryOpenDriver32(libName, lp))) {
457 wmd->bIs32 = TRUE;
458 } else if (WINMM_CheckForMMSystem() && pFnMciMapMsg32ATo16) {
459 WINMM_MapType res;
460
461 switch (res = pFnMciMapMsg32ATo16(0, DRV_OPEN, 0, &lp)) {
462 case WINMM_MAP_MSGERROR:
463 TRACE("Not handled yet (DRV_OPEN)\n");
464 break;
465 case WINMM_MAP_NOMEM:
466 TRACE("Problem mapping msg=DRV_OPEN from 32a to 16\n");
467 break;
468 case WINMM_MAP_OK:
469 case WINMM_MAP_OKMEM:
470 if ((wmd->hDriver = OpenDriverA(drvTyp, "mci", lp)))
471 wmd->bIs32 = FALSE;
472 if (res == WINMM_MAP_OKMEM)
473 pFnMciUnMapMsg32ATo16(0, DRV_OPEN, 0, lp);
474 break;
475 }
476 }
477 return (wmd->bIs32 == 0xFFFF) ? FALSE : TRUE;
478 }
479
480 /**************************************************************************
481 * MCI_LoadMciDriver [internal]
482 */
483 static DWORD MCI_LoadMciDriver(LPCSTR _strDevTyp, LPWINE_MCIDRIVER* lpwmd)
484 {
485 LPSTR strDevTyp = str_dup_upper(_strDevTyp);
486 LPWINE_MCIDRIVER wmd = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*wmd));
487 MCI_OPEN_DRIVER_PARMSA modp;
488 DWORD dwRet = 0;
489
490 if (!wmd || !strDevTyp) {
491 dwRet = MCIERR_OUT_OF_MEMORY;
492 goto errCleanUp;
493 }
494
495 wmd->lpfnYieldProc = MCI_DefYieldProc;
496 wmd->dwYieldData = VK_CANCEL;
497 wmd->CreatorThread = GetCurrentThreadId();
498
499 EnterCriticalSection(&WINMM_IData->cs);
500 /* wmd must be inserted in list before sending opening the driver, coz' it
501 * may want to lookup at wDevID
502 */
503 wmd->lpNext = WINMM_IData->lpMciDrvs;
504 WINMM_IData->lpMciDrvs = wmd;
505
506 for (modp.wDeviceID = MCI_MAGIC;
507 MCI_GetDriver(modp.wDeviceID) != 0;
508 modp.wDeviceID++);
509
510 wmd->wDeviceID = modp.wDeviceID;
511
512 LeaveCriticalSection(&WINMM_IData->cs);
513
514 TRACE("wDevID=%04X \n", modp.wDeviceID);
515
516 modp.lpstrParams = NULL;
517
518 if (!MCI_OpenMciDriver(wmd, strDevTyp, (LPARAM)&modp)) {
519 /* silence warning if all is used... some bogus program use commands like
520 * 'open all'...
521 */
522 if (strcasecmp(strDevTyp, "all") == 0) {
523 dwRet = MCIERR_CANNOT_USE_ALL;
524 } else {
525 FIXME("Couldn't load driver for type %s.\n"
526 "If you don't have a windows installation accessible from Wine,\n"
527 "you perhaps forgot to create a [mci] section in system.ini\n",
528 strDevTyp);
529 dwRet = MCIERR_DEVICE_NOT_INSTALLED;
530 }
531 goto errCleanUp;
532 }
533
534 /* FIXME: should also check that module's description is of the form
535 * MODULENAME:[MCI] comment
536 */
537
538 /* some drivers will return 0x0000FFFF, some others 0xFFFFFFFF */
539 wmd->uSpecificCmdTable = LOWORD(modp.wCustomCommandTable);
540 wmd->uTypeCmdTable = MCI_COMMAND_TABLE_NOT_LOADED;
541
542 TRACE("Loaded driver %p (%s), type is %d, cmdTable=%08x\n",
543 wmd->hDriver, strDevTyp, modp.wType, modp.wCustomCommandTable);
544
545 wmd->lpstrDeviceType = strDevTyp;
546 wmd->wType = modp.wType;
547
548 TRACE("mcidev=%d, uDevTyp=%04X wDeviceID=%04X !\n",
549 modp.wDeviceID, modp.wType, modp.wDeviceID);
550 *lpwmd = wmd;
551 return 0;
552 errCleanUp:
553 MCI_UnLoadMciDriver(wmd);
554 HeapFree(GetProcessHeap(), 0, strDevTyp);
555 *lpwmd = 0;
556 return dwRet;
557 }
558
559 /**************************************************************************
560 * MCI_FinishOpen [internal]
561 */
562 static DWORD MCI_FinishOpen(LPWINE_MCIDRIVER wmd, LPMCI_OPEN_PARMSA lpParms,
563 DWORD dwParam)
564 {
565 if (dwParam & MCI_OPEN_ELEMENT)
566 {
567 wmd->lpstrElementName = HeapAlloc(GetProcessHeap(),0,strlen(lpParms->lpstrElementName)+1);
568 strcpy( wmd->lpstrElementName, lpParms->lpstrElementName );
569 }
570 if (dwParam & MCI_OPEN_ALIAS)
571 {
572 wmd->lpstrAlias = HeapAlloc(GetProcessHeap(), 0, strlen(lpParms->lpstrAlias)+1);
573 strcpy( wmd->lpstrAlias, lpParms->lpstrAlias);
574 }
575 lpParms->wDeviceID = wmd->wDeviceID;
576
577 return MCI_SendCommandFrom32(wmd->wDeviceID, MCI_OPEN_DRIVER, dwParam,
578 (DWORD)lpParms);
579 }
580
581 /**************************************************************************
582 * MCI_FindCommand [internal]
583 */
584 static LPCSTR MCI_FindCommand(UINT uTbl, LPCSTR verb)
585 {
586 UINT idx;
587
588 if (uTbl >= MAX_MCICMDTABLE || !S_MciCmdTable[uTbl].lpTable)
589 return NULL;
590
591 /* another improvement would be to have the aVerbs array sorted,
592 * so that we could use a dichotomic search on it, rather than this dumb
593 * array look up
594 */
595 for (idx = 0; idx < S_MciCmdTable[uTbl].nVerbs; idx++) {
596 if (strcasecmp(S_MciCmdTable[uTbl].aVerbs[idx], verb) == 0)
597 return S_MciCmdTable[uTbl].aVerbs[idx];
598 }
599
600 return NULL;
601 }
602
603 /**************************************************************************
604 * MCI_GetReturnType [internal]
605 */
606 static DWORD MCI_GetReturnType(LPCSTR lpCmd)
607 {
608 lpCmd += strlen(lpCmd) + 1 + sizeof(DWORD) + sizeof(WORD);
609 if (*lpCmd == '\0' && *(LPWORD)(lpCmd + 1 + sizeof(DWORD)) == MCI_RETURN) {
610 return *(LPDWORD)(lpCmd + 1);
611 }
612 return 0L;
613 }
614
615 /**************************************************************************
616 * MCI_GetMessage [internal]
617 */
618 static WORD MCI_GetMessage(LPCSTR lpCmd)
619 {
620 return (WORD)*(LPDWORD)(lpCmd + strlen(lpCmd) + 1);
621 }
622
623 /**************************************************************************
624 * MCI_GetDWord [internal]
625 */
626 static BOOL MCI_GetDWord(LPDWORD data, LPSTR* ptr)
627 {
628 DWORD val;
629 LPSTR ret;
630
631 val = strtoul(*ptr, &ret, 0);
632
633 switch (*ret) {
634 case '\0': break;
635 case ' ': ret++; break;
636 default: return FALSE;
637 }
638
639 *data |= val;
640 *ptr = ret;
641 return TRUE;
642 }
643
644 /**************************************************************************
645 * MCI_GetString [internal]
646 */
647 static DWORD MCI_GetString(LPSTR* str, LPSTR* args)
648 {
649 LPSTR ptr = *args;
650
651 /* see if we have a quoted string */
652 if (*ptr == '"') {
653 ptr = strchr(*str = ptr + 1, '"');
654 if (!ptr) return MCIERR_NO_CLOSING_QUOTE;
655 /* FIXME: shall we escape \" from string ?? */
656 if (ptr[-1] == '\\') TRACE("Ooops: un-escaped \"\n");
657 *ptr++ = '\0'; /* remove trailing " */
658 if (*ptr != ' ' && *ptr != '\0') return MCIERR_EXTRA_CHARACTERS;
659 *ptr++ = '\0';
660 } else {
661 ptr = strchr(ptr, ' ');
662
663 if (ptr) {
664 *ptr++ = '\0';
665 } else {
666 ptr = *args + strlen(*args);
667 }
668 *str = *args;
669 }
670
671 *args = ptr;
672 return 0;
673 }
674
675 #define MCI_DATA_SIZE 16
676
677 /**************************************************************************
678 * MCI_ParseOptArgs [internal]
679 */
680 static DWORD MCI_ParseOptArgs(LPDWORD data, int _offset, LPCSTR lpCmd,
681 LPSTR args, LPDWORD dwFlags)
682 {
683 int len, offset;
684 LPCSTR lmem, str;
685 DWORD dwRet, flg, cflg = 0;
686 WORD eid;
687 BOOL inCst, found;
688
689 /* loop on arguments */
690 while (*args) {
691 lmem = lpCmd;
692 found = inCst = FALSE;
693 offset = _offset;
694
695 /* skip any leading white space(s) */
696 while (*args == ' ') args++;
697 TRACE("args='%s' offset=%d\n", args, offset);
698
699 do { /* loop on options for command table for the requested verb */
700 str = lmem;
701 lmem += (len = strlen(lmem)) + 1;
702 flg = *(LPDWORD)lmem;
703 eid = *(LPWORD)(lmem + sizeof(DWORD));
704 lmem += sizeof(DWORD) + sizeof(WORD);
705 /* EPP TRACE("\tcmd='%s' inCst=%c eid=%04x\n", str, inCst ? 'Y' : 'N', eid); */
706
707 switch (eid) {
708 case MCI_CONSTANT:
709 inCst = TRUE; cflg = flg; break;
710 case MCI_END_CONSTANT:
711 /* there may be additional integral values after flag in constant */
712 if (inCst && MCI_GetDWord(&(data[offset]), &args)) {
713 *dwFlags |= cflg;
714 }
715 inCst = FALSE; cflg = 0;
716 break;
717 }
718
719 if (strncasecmp(args, str, len) == 0 &&
720 (args[len] == 0 || args[len] == ' ')) {
721 /* store good values into data[] */
722 args += len;
723 while (*args == ' ') args++;
724 found = TRUE;
725
726 switch (eid) {
727 case MCI_COMMAND_HEAD:
728 case MCI_RETURN:
729 case MCI_END_COMMAND:
730 case MCI_END_COMMAND_LIST:
731 case MCI_CONSTANT: /* done above */
732 case MCI_END_CONSTANT: /* done above */
733 break;
734 case MCI_FLAG:
735 *dwFlags |= flg;
736 break;
737 case MCI_INTEGER:
738 if (inCst) {
739 data[offset] |= flg;
740 *dwFlags |= cflg;
741 inCst = FALSE;
742 } else {
743 *dwFlags |= flg;
744 if (!MCI_GetDWord(&(data[offset]), &args)) {
745 return MCIERR_BAD_INTEGER;
746 }
747 }
748 break;
749 case MCI_RECT:
750 /* store rect in data (offset...offset+3) */
751 *dwFlags |= flg;
752 if (!MCI_GetDWord(&(data[offset+0]), &args) ||
753 !MCI_GetDWord(&(data[offset+1]), &args) ||
754 !MCI_GetDWord(&(data[offset+2]), &args) ||
755 !MCI_GetDWord(&(data[offset+3]), &args)) {
756 ERR("Bad rect '%s'\n", args);
757 return MCIERR_BAD_INTEGER;
758 }
759 break;
760 case MCI_STRING:
761 *dwFlags |= flg;
762 if ((dwRet = MCI_GetString((LPSTR*)&data[offset], &args)))
763 return dwRet;
764 break;
765 default: ERR("oops\n");
766 }
767 /* exit inside while loop, except if just entered in constant area definition */
768 if (!inCst || eid != MCI_CONSTANT) eid = MCI_END_COMMAND;
769 } else {
770 /* have offset incremented if needed */
771 switch (eid) {
772 case MCI_COMMAND_HEAD:
773 case MCI_RETURN:
774 case MCI_END_COMMAND:
775 case MCI_END_COMMAND_LIST:
776 case MCI_CONSTANT:
777 case MCI_FLAG: break;
778 case MCI_INTEGER: if (!inCst) offset++; break;
779 case MCI_END_CONSTANT:
780 case MCI_STRING: offset++; break;
781 case MCI_RECT: offset += 4; break;
782 default: ERR("oops\n");
783 }
784 }
785 } while (eid != MCI_END_COMMAND);
786 if (!found) {
787 WARN("Optarg '%s' not found\n", args);
788 return MCIERR_UNRECOGNIZED_COMMAND;
789 }
790 if (offset == MCI_DATA_SIZE) {
791 ERR("Internal data[] buffer overflow\n");
792 return MCIERR_PARSER_INTERNAL;
793 }
794 }
795 return 0;
796 }
797
798 /**************************************************************************
799 * MCI_HandleReturnValues [internal]
800 */
801 static DWORD MCI_HandleReturnValues(DWORD dwRet, LPWINE_MCIDRIVER wmd, DWORD retType,
802 LPDWORD data, LPSTR lpstrRet, UINT uRetLen)
803 {
804 if (lpstrRet) {
805 switch (retType) {
806 case 0: /* nothing to return */
807 break;
808 case MCI_INTEGER:
809 switch (dwRet & 0xFFFF0000ul) {
810 case 0:
811 case MCI_INTEGER_RETURNED:
812 snprintf(lpstrRet, uRetLen, "%ld", data[1]);
813 break;
814 case MCI_RESOURCE_RETURNED:
815 /* return string which ID is HIWORD(data[1]),
816 * string is loaded from mmsystem.dll */
817 LoadStringA(WINMM_IData->hWinMM32Instance, HIWORD(data[1]),
818 lpstrRet, uRetLen);
819 break;
820 case MCI_RESOURCE_RETURNED|MCI_RESOURCE_DRIVER:
821 /* return string which ID is HIWORD(data[1]),
822 * string is loaded from driver */
823 /* FIXME: this is wrong for a 16 bit handle */
824 LoadStringA(GetDriverModuleHandle(wmd->hDriver),
825 HIWORD(data[1]), lpstrRet, uRetLen);
826 break;
827 case MCI_COLONIZED3_RETURN:
828 snprintf(lpstrRet, uRetLen, "%d:%d:%d",
829 LOBYTE(LOWORD(data[1])), HIBYTE(LOWORD(data[1])),
830 LOBYTE(HIWORD(data[1])));
831 break;
832 case MCI_COLONIZED4_RETURN:
833 snprintf(lpstrRet, uRetLen, "%d:%d:%d:%d",
834 LOBYTE(LOWORD(data[1])), HIBYTE(LOWORD(data[1])),
835 LOBYTE(HIWORD(data[1])), HIBYTE(HIWORD(data[1])));
836 break;
837 default: ERR("Ooops (%04X)\n", HIWORD(dwRet));
838 }
839 break;
840 case MCI_STRING:
841 switch (dwRet & 0xFFFF0000ul) {
842 case 0:
843 /* nothing to do data[1] == lpstrRet */
844 break;
845 case MCI_INTEGER_RETURNED:
846 data[1] = *(LPDWORD)lpstrRet;
847 snprintf(lpstrRet, uRetLen, "%ld", data[1]);
848 break;
849 default:
850 WARN("Oooch. MCI_STRING and HIWORD(dwRet)=%04x\n", HIWORD(dwRet));
851 break;
852 }
853 break;
854 case MCI_RECT:
855 if (dwRet & 0xFFFF0000ul)
856 WARN("Oooch. MCI_STRING and HIWORD(dwRet)=%04x\n", HIWORD(dwRet));
857 snprintf(lpstrRet, uRetLen, "%ld %ld %ld %ld",
858 data[1], data[2], data[3], data[4]);
859 break;
860 default: ERR("oops\n");
861 }
862 }
863 return LOWORD(dwRet);
864 }
865
866 /**************************************************************************
867 * mciSendStringA [WINMM.@]
868 */
869 DWORD WINAPI mciSendStringA(LPCSTR lpstrCommand, LPSTR lpstrRet,
870 UINT uRetLen, HWND hwndCallback)
871 {
872 LPSTR verb, dev, args;
873 LPWINE_MCIDRIVER wmd = 0;
874 DWORD dwFlags = 0, dwRet = 0;
875 int offset = 0;
876 DWORD data[MCI_DATA_SIZE];
877 DWORD retType;
878 LPCSTR lpCmd = 0;
879 LPSTR devAlias = NULL;
880 BOOL bAutoOpen = FALSE;
881
882 TRACE("('%s', %p, %d, %p)\n", lpstrCommand, lpstrRet, uRetLen, hwndCallback);
883
884 /* format is <command> <device> <optargs> */
885 if (!(verb = HeapAlloc(GetProcessHeap(), 0, strlen(lpstrCommand)+1)))
886 return MCIERR_OUT_OF_MEMORY;
887 strcpy( verb, lpstrCommand );
888 CharLowerA(verb);
889
890 memset(data, 0, sizeof(data));
891
892 if (!(args = strchr(verb, ' '))) {
893 dwRet = MCIERR_MISSING_DEVICE_NAME;
894 goto errCleanUp;
895 }
896 *args++ = '\0';
897 if ((dwRet = MCI_GetString(&dev, &args))) {
898 goto errCleanUp;
899 }
900
901 /* case dev == 'new' has to be handled */
902 if (!strcmp(dev, "new")) {
903 FIXME("'new': NIY as device name\n");
904 dwRet = MCIERR_MISSING_DEVICE_NAME;
905 goto errCleanUp;
906 }
907
908 /* otherwise, try to grab devType from open */
909 if (!strcmp(verb, "open")) {
910 LPSTR devType, tmp;
911
912 if ((devType = strchr(dev, '!')) != NULL) {
913 *devType++ = '\0';
914 tmp = devType; devType = dev; dev = tmp;
915
916 dwFlags |= MCI_OPEN_TYPE;
917 data[2] = (DWORD)devType;
918 devType = str_dup_upper(devType);
919 dwFlags |= MCI_OPEN_ELEMENT;
920 data[3] = (DWORD)dev;
921 } else if (strchr(dev, '.') == NULL) {
922 tmp = strchr(dev,' ');
923 if (tmp) *tmp = '\0';
924 data[2] = (DWORD)dev;
925 devType = str_dup_upper(dev);
926 if (tmp) *tmp = ' ';
927 dwFlags |= MCI_OPEN_TYPE;
928 } else {
929 if ((devType = strstr(args, "type ")) != NULL) {
930 devType += 5;
931 tmp = strchr(devType, ' ');
932 if (tmp) *tmp = '\0';
933 devType = str_dup_upper(devType);
934 if (tmp) *tmp = ' ';
935 /* dwFlags and data[2] will be correctly set in ParseOpt loop */
936 } else {
937 char buf[32];
938 if ((dwRet = MCI_GetDevTypeFromFileName(dev, buf, sizeof(buf))))
939 goto errCleanUp;
940
941 devType = str_dup_upper(buf);
942 }
943 dwFlags |= MCI_OPEN_ELEMENT;
944 data[3] = (DWORD)dev;
945 }
946 if ((devAlias = strstr(args," alias "))) {
947 char *tmp2;
948 devAlias += 7;
949 if (!(tmp = strchr(devAlias,' '))) tmp = devAlias + strlen(devAlias);
950 if (tmp) *tmp = '\0';
951 tmp2 = HeapAlloc(GetProcessHeap(), 0, tmp - devAlias + 1 );
952 memcpy( tmp2, devAlias, tmp - devAlias );
953 tmp2[tmp - devAlias] = 0;
954 data[4] = (DWORD)tmp2;
955 /* should be done in regular options parsing */
956 /* dwFlags |= MCI_OPEN_ALIAS; */
957 }
958
959 dwRet = MCI_LoadMciDriver(devType, &wmd);
960 if (dwRet == MCIERR_DEVICE_NOT_INSTALLED)
961 dwRet = MCIERR_INVALID_DEVICE_NAME;
962 HeapFree(GetProcessHeap(), 0, devType);
963 if (dwRet) {
964 MCI_UnLoadMciDriver(wmd);
965 goto errCleanUp;
966 }
967 } else if (!(wmd = MCI_GetDriver(mciGetDeviceIDA(dev)))) {
968 /* auto open */
969 char buf[128];
970 sprintf(buf, "open %s wait", dev);
971
972 if ((dwRet = mciSendStringA(buf, NULL, 0, 0)) != 0)
973 goto errCleanUp;
974
975 wmd = MCI_GetDriver(mciGetDeviceIDA(dev));
976 if (!wmd) {
977 /* FIXME: memory leak, MCI driver is not closed */
978 dwRet = MCIERR_INVALID_DEVICE_ID;
979 goto errCleanUp;
980 }
981 }
982
983 /* get the verb in the different command tables */
984 if (wmd) {
985 /* try the device specific command table */
986 lpCmd = MCI_FindCommand(wmd->uSpecificCmdTable, verb);
987 if (!lpCmd) {
988 /* try the type specific command table */
989 if (wmd->uTypeCmdTable == MCI_COMMAND_TABLE_NOT_LOADED)
990 wmd->uTypeCmdTable = MCI_GetCommandTable(wmd->wType);
991 if (wmd->uTypeCmdTable != MCI_NO_COMMAND_TABLE)
992 lpCmd = MCI_FindCommand(wmd->uTypeCmdTable, verb);
993 }
994 }
995 /* try core command table */
996 if (!lpCmd) lpCmd = MCI_FindCommand(MCI_GetCommandTable(0), verb);
997
998 if (!lpCmd) {
999 TRACE("Command '%s' not found!\n", verb);
1000 dwRet = MCIERR_UNRECOGNIZED_COMMAND;
1001 goto errCleanUp;
1002 }
1003
1004 /* set up call back */
1005 if (hwndCallback != 0) {
1006 dwFlags |= MCI_NOTIFY;
1007 data[0] = (DWORD)hwndCallback;
1008 }
1009
1010 /* set return information */
1011 switch (retType = MCI_GetReturnType(lpCmd)) {
1012 case 0: offset = 1; break;
1013 case MCI_INTEGER: offset = 2; break;
1014 case MCI_STRING: data[1] = (DWORD)lpstrRet; data[2] = uRetLen; offset = 3; break;
1015 case MCI_RECT: offset = 5; break;
1016 default: ERR("oops\n");
1017 }
1018
1019 TRACE("verb='%s' on dev='%s'; offset=%d\n", verb, dev, offset);
1020
1021 if ((dwRet = MCI_ParseOptArgs(data, offset, lpCmd, args, &dwFlags)))
1022 goto errCleanUp;
1023
1024 if (bAutoOpen && (dwFlags & MCI_NOTIFY)) {
1025 dwRet = MCIERR_NOTIFY_ON_AUTO_OPEN;
1026 goto errCleanUp;
1027 }
1028 /* FIXME: the command should get it's own notification window set up and
1029 * ask for device closing while processing the notification mechanism
1030 */
1031 if (lpstrRet && uRetLen) *lpstrRet = '\0';
1032
1033 TRACE("[%d, %s, %08lx, %08lx/%s %08lx/%s %08lx/%s %08lx/%s %08lx/%s %08lx/%s]\n",
1034 wmd->wDeviceID, MCI_MessageToString(MCI_GetMessage(lpCmd)), dwFlags,
1035 data[0], debugstr_a((char *)data[0]), data[1], debugstr_a((char *)data[1]),
1036 data[2], debugstr_a((char *)data[2]), data[3], debugstr_a((char *)data[3]),
1037 data[4], debugstr_a((char *)data[4]), data[5], debugstr_a((char *)data[5]));
1038
1039 if (strcmp(verb, "open") == 0) {
1040 if ((dwRet = MCI_FinishOpen(wmd, (LPMCI_OPEN_PARMSA)data, dwFlags)))
1041 MCI_UnLoadMciDriver(wmd);
1042 /* FIXME: notification is not properly shared across two opens */
1043 } else {
1044 dwRet = MCI_SendCommand(wmd->wDeviceID, MCI_GetMessage(lpCmd), dwFlags, (DWORD)data, TRUE);
1045 }
1046 TRACE("=> 1/ %lx (%s)\n", dwRet, lpstrRet);
1047 dwRet = MCI_HandleReturnValues(dwRet, wmd, retType, data, lpstrRet, uRetLen);
1048 TRACE("=> 2/ %lx (%s)\n", dwRet, lpstrRet);
1049
1050 errCleanUp:
1051 HeapFree(GetProcessHeap(), 0, verb);
1052 HeapFree(GetProcessHeap(), 0, devAlias);
1053 return dwRet;
1054 }
1055
1056 /**************************************************************************
1057 * mciSendStringW [WINMM.@]
1058 */
1059 DWORD WINAPI mciSendStringW(LPCWSTR lpwstrCommand, LPWSTR lpwstrRet,
1060 UINT uRetLen, HWND hwndCallback)
1061 {
1062 LPSTR lpstrCommand;
1063 LPSTR lpstrRet = NULL;
1064 UINT ret;
1065 INT len;
1066
1067 /* FIXME: is there something to do with lpstrReturnString ? */
1068 len = WideCharToMultiByte( CP_ACP, 0, lpwstrCommand, -1, NULL, 0, NULL, NULL );
1069 lpstrCommand = HeapAlloc( GetProcessHeap(), 0, len );
1070 WideCharToMultiByte( CP_ACP, 0, lpwstrCommand, -1, lpstrCommand, len, NULL, NULL );
1071 if (lpwstrRet)
1072 {
1073 lpstrRet = HeapAlloc(GetProcessHeap(), 0, uRetLen * sizeof(WCHAR));
1074 if (!lpstrRet) return MMSYSERR_NOMEM;
1075 }
1076 ret = mciSendStringA(lpstrCommand, lpstrRet, uRetLen, hwndCallback);
1077 if (lpwstrRet)
1078 MultiByteToWideChar( CP_ACP, 0, lpstrRet, -1, lpwstrRet, uRetLen );
1079 HeapFree(GetProcessHeap(), 0, lpstrCommand);
1080 if (lpstrRet) HeapFree(GetProcessHeap(), 0, lpstrRet);
1081 return ret;
1082 }
1083
1084 /**************************************************************************
1085 * mciExecute [WINMM.@]
1086 * mciExecute [MMSYSTEM.712]
1087 */
1088 DWORD WINAPI mciExecute(LPCSTR lpstrCommand)
1089 {
1090 char strRet[256];
1091 DWORD ret;
1092
1093 TRACE("(%s)!\n", lpstrCommand);
1094
1095 ret = mciSendStringA(lpstrCommand, strRet, sizeof(strRet), 0);
1096 if (ret != 0) {
1097 if (!mciGetErrorStringA(ret, strRet, sizeof(strRet))) {
1098 sprintf(strRet, "Unknown MCI error (%ld)", ret);
1099 }
1100 MessageBoxA(0, strRet, "Error in mciExecute()", MB_OK);
1101 }
1102 /* FIXME: what shall I return ? */
1103 return 0;
1104 }
1105
1106 /**************************************************************************
1107 * mciLoadCommandResource [WINMM.@]
1108 *
1109 * Strangely, this function only exists as an UNICODE one.
1110 */
1111 UINT WINAPI mciLoadCommandResource(HINSTANCE hInst, LPCWSTR resNameW, UINT type)
1112 {
1113 HRSRC hRsrc = 0;
1114 HGLOBAL hMem;
1115 UINT16 ret = MCI_NO_COMMAND_TABLE;
1116
1117 TRACE("(%p, %s, %d)!\n", hInst, debugstr_w(resNameW), type);
1118
1119 /* if a file named "resname.mci" exits, then load resource "resname" from it
1120 * otherwise directly from driver
1121 * We don't support it (who uses this feature ?), but we check anyway
1122 */
1123 if (!type) {
1124 #if 0
1125 /* FIXME: we should put this back into order, but I never found a program
1126 * actually using this feature, so we not need it
1127 */
1128 char buf[128];
1129 OFSTRUCT ofs;
1130
1131 strcat(strcpy(buf, resname), ".mci");
1132 if (OpenFile(buf, &ofs, OF_EXIST) != HFILE_ERROR) {
1133 FIXME("NIY: command table to be loaded from '%s'\n", ofs.szPathName);
1134 }
1135 #endif
1136 }
1137 if (!(hRsrc = FindResourceW(hInst, resNameW, (LPWSTR)RT_RCDATA))) {
1138 WARN("No command table found in resource\n");
1139 } else if ((hMem = LoadResource(hInst, hRsrc))) {
1140 ret = MCI_SetCommandTable(LockResource(hMem), type);
1141 } else {
1142 WARN("Couldn't load resource.\n");
1143 }
1144 TRACE("=> %04x\n", ret);
1145 return ret;
1146 }
1147
1148 /**************************************************************************
1149 * mciFreeCommandResource [WINMM.@]
1150 */
1151 BOOL WINAPI mciFreeCommandResource(UINT uTable)
1152 {
1153 TRACE("(%08x)!\n", uTable);
1154
1155 return MCI_DeleteCommandTable(uTable);
1156 }
1157
1158 /**************************************************************************
1159 * MCI_SendCommandFrom32 [internal]
1160 */
1161 DWORD MCI_SendCommandFrom32(MCIDEVICEID wDevID, UINT16 wMsg, DWORD_PTR dwParam1, DWORD_PTR dwParam2)
1162 {
1163 DWORD dwRet = MCIERR_INVALID_DEVICE_ID;
1164 LPWINE_MCIDRIVER wmd = MCI_GetDriver(wDevID);
1165
1166 if (wmd) {
1167 if (wmd->bIs32) {
1168 dwRet = SendDriverMessage(wmd->hDriver, wMsg, dwParam1, dwParam2);
1169 } else if (pFnMciMapMsg32ATo16) {
1170 WINMM_MapType res;
1171
1172 switch (res = pFnMciMapMsg32ATo16(wmd->wType, wMsg, dwParam1, &dwParam2)) {
1173 case WINMM_MAP_MSGERROR:
1174 TRACE("Not handled yet (%s)\n", MCI_MessageToString(wMsg));
1175 dwRet = MCIERR_DRIVER_INTERNAL;
1176 break;
1177 case WINMM_MAP_NOMEM:
1178 TRACE("Problem mapping msg=%s from 32a to 16\n", MCI_MessageToString(wMsg));
1179 dwRet = MCIERR_OUT_OF_MEMORY;
1180 break;
1181 case WINMM_MAP_OK:
1182 case WINMM_MAP_OKMEM:
1183 dwRet = SendDriverMessage(wmd->hDriver, wMsg, dwParam1, dwParam2);
1184 if (res == WINMM_MAP_OKMEM)
1185 pFnMciUnMapMsg32ATo16(wmd->wType, wMsg, dwParam1, dwParam2);
1186 break;
1187 }
1188 }
1189 }
1190 return dwRet;
1191 }
1192
1193 /**************************************************************************
1194 * MCI_SendCommandFrom16 [internal]
1195 */
1196 DWORD MCI_SendCommandFrom16(MCIDEVICEID wDevID, UINT16 wMsg, DWORD_PTR dwParam1, DWORD_PTR dwParam2)
1197 {
1198 DWORD dwRet = MCIERR_INVALID_DEVICE_ID;
1199 LPWINE_MCIDRIVER wmd = MCI_GetDriver(wDevID);
1200
1201 if (wmd) {
1202 dwRet = MCIERR_INVALID_DEVICE_ID;
1203
1204 if (wmd->bIs32 && pFnMciMapMsg16To32A) {
1205 WINMM_MapType res;
1206
1207 switch (res = pFnMciMapMsg16To32A(wmd->wType, wMsg, &dwParam2)) {
1208 case WINMM_MAP_MSGERROR:
1209 TRACE("Not handled yet (%s)\n", MCI_MessageToString(wMsg));
1210 dwRet = MCIERR_DRIVER_INTERNAL;
1211 break;
1212 case WINMM_MAP_NOMEM:
1213 TRACE("Problem mapping msg=%s from 16 to 32a\n", MCI_MessageToString(wMsg));
1214 dwRet = MCIERR_OUT_OF_MEMORY;
1215 break;
1216 case WINMM_MAP_OK:
1217 case WINMM_MAP_OKMEM:
1218 dwRet = SendDriverMessage(wmd->hDriver, wMsg, dwParam1, dwParam2);
1219 if (res == WINMM_MAP_OKMEM)
1220 pFnMciUnMapMsg16To32A(wmd->wType, wMsg, dwParam2);
1221 break;
1222 }
1223 } else {
1224 dwRet = SendDriverMessage(wmd->hDriver, wMsg, dwParam1, dwParam2);
1225 }
1226 }
1227 return dwRet;
1228 }
1229
1230 /**************************************************************************
1231 * MCI_Open [internal]
1232 */
1233 static DWORD MCI_Open(DWORD dwParam, LPMCI_OPEN_PARMSA lpParms)
1234 {
1235 char strDevTyp[128];
1236 DWORD dwRet;
1237 LPWINE_MCIDRIVER wmd = NULL;
1238
1239 TRACE("(%08lX, %p)\n", dwParam, lpParms);
1240 if (lpParms == NULL) return MCIERR_NULL_PARAMETER_BLOCK;
1241
1242 /* only two low bytes are generic, the other ones are dev type specific */
1243 #define WINE_MCIDRIVER_SUPP (0xFFFF0000|MCI_OPEN_SHAREABLE|MCI_OPEN_ELEMENT| \
1244 MCI_OPEN_ALIAS|MCI_OPEN_TYPE|MCI_OPEN_TYPE_ID| \
1245 MCI_NOTIFY|MCI_WAIT)
1246 if ((dwParam & ~WINE_MCIDRIVER_SUPP) != 0) {
1247 FIXME("Unsupported yet dwFlags=%08lX\n", dwParam & ~WINE_MCIDRIVER_SUPP);
1248 }
1249 #undef WINE_MCIDRIVER_SUPP
1250
1251 strDevTyp[0] = 0;
1252
1253 if (dwParam & MCI_OPEN_TYPE) {
1254 if (dwParam & MCI_OPEN_TYPE_ID) {
1255 WORD uDevType = LOWORD((DWORD)lpParms->lpstrDeviceType);
1256
1257 if (uDevType < MCI_DEVTYPE_FIRST ||
1258 uDevType > MCI_DEVTYPE_LAST ||
1259 !LoadStringA(WINMM_IData->hWinMM32Instance, uDevType, strDevTyp, sizeof(strDevTyp))) {
1260 dwRet = MCIERR_BAD_INTEGER;
1261 goto errCleanUp;
1262 }
1263 } else {
1264 LPSTR ptr;
1265 if (lpParms->lpstrDeviceType == NULL) {
1266 dwRet = MCIERR_NULL_PARAMETER_BLOCK;
1267 goto errCleanUp;
1268 }
1269 strcpy(strDevTyp, lpParms->lpstrDeviceType);
1270 ptr = strchr(strDevTyp, '!');
1271 if (ptr) {
1272 /* this behavior is not documented in windows. However, since, in
1273 * some occasions, MCI_OPEN handling is translated by WinMM into
1274 * a call to mciSendString("open <type>"); this code shall be correct
1275 */
1276 if (dwParam & MCI_OPEN_ELEMENT) {
1277 ERR("Both MCI_OPEN_ELEMENT(%s) and %s are used\n",
1278 lpParms->lpstrElementName, strDevTyp);
1279 dwRet = MCIERR_UNRECOGNIZED_KEYWORD;
1280 goto errCleanUp;
1281 }
1282 dwParam |= MCI_OPEN_ELEMENT;
1283 *ptr++ = 0;
1284 /* FIXME: not a good idea to write in user supplied buffer */
1285 lpParms->lpstrElementName = ptr;
1286 }
1287
1288 }
1289 TRACE("devType='%s' !\n", strDevTyp);
1290 }
1291
1292 if (dwParam & MCI_OPEN_ELEMENT) {
1293 TRACE("lpstrElementName='%s'\n", lpParms->lpstrElementName);
1294
1295 if (dwParam & MCI_OPEN_ELEMENT_ID) {
1296 FIXME("Unsupported yet flag MCI_OPEN_ELEMENT_ID\n");
1297 dwRet = MCIERR_UNRECOGNIZED_KEYWORD;
1298 goto errCleanUp;
1299 }
1300
1301 if (!lpParms->lpstrElementName) {
1302 dwRet = MCIERR_NULL_PARAMETER_BLOCK;
1303 goto errCleanUp;
1304 }
1305
1306 /* type, if given as a parameter, supersedes file extension */
1307 if (!strDevTyp[0] &&
1308 MCI_GetDevTypeFromFileName(lpParms->lpstrElementName,
1309 strDevTyp, sizeof(strDevTyp))) {
1310 if (GetDriveTypeA(lpParms->lpstrElementName) != DRIVE_CDROM) {
1311 dwRet = MCIERR_EXTENSION_NOT_FOUND;
1312 goto errCleanUp;
1313 }
1314 /* FIXME: this will not work if several CDROM drives are installed on the machine */
1315 strcpy(strDevTyp, "CDAUDIO");
1316 }
1317 }
1318
1319 if (strDevTyp[0] == 0) {
1320 FIXME("Couldn't load driver\n");
1321 dwRet = MCIERR_INVALID_DEVICE_NAME;
1322 goto errCleanUp;
1323 }
1324
1325 if (dwParam & MCI_OPEN_ALIAS) {
1326 TRACE("Alias='%s' !\n", lpParms->lpstrAlias);
1327 if (!lpParms->lpstrAlias) {
1328 dwRet = MCIERR_NULL_PARAMETER_BLOCK;
1329 goto errCleanUp;
1330 }
1331 }
1332
1333 if ((dwRet = MCI_LoadMciDriver(strDevTyp, &wmd))) {
1334 goto errCleanUp;
1335 }
1336
1337 if ((dwRet = MCI_FinishOpen(wmd, lpParms, dwParam))) {
1338 TRACE("Failed to open driver (MCI_OPEN_DRIVER) [%08lx], closing\n", dwRet);
1339 /* FIXME: is dwRet the correct ret code ? */
1340 goto errCleanUp;
1341 }
1342
1343 /* only handled devices fall through */
1344 TRACE("wDevID=%04X wDeviceID=%d dwRet=%ld\n", wmd->wDeviceID, lpParms->wDeviceID, dwRet);
1345
1346 if (dwParam & MCI_NOTIFY)
1347 mciDriverNotify((HWND)lpParms->dwCallback, wmd->wDeviceID, MCI_NOTIFY_SUCCESSFUL);
1348
1349 return 0;
1350 errCleanUp:
1351 if (wmd) MCI_UnLoadMciDriver(wmd);
1352
1353 if (dwParam & MCI_NOTIFY)
1354 mciDriverNotify((HWND)lpParms->dwCallback, 0, MCI_NOTIFY_FAILURE);
1355 return dwRet;
1356 }
1357
1358 /**************************************************************************
1359 * MCI_Close [internal]
1360 */
1361 static DWORD MCI_Close(UINT16 wDevID, DWORD dwParam, LPMCI_GENERIC_PARMS lpParms)
1362 {
1363 DWORD dwRet;
1364 LPWINE_MCIDRIVER wmd;
1365
1366 TRACE("(%04x, %08lX, %p)\n", wDevID, dwParam, lpParms);
1367
1368 if (wDevID == MCI_ALL_DEVICE_ID) {
1369 LPWINE_MCIDRIVER next;
1370
1371 EnterCriticalSection(&WINMM_IData->cs);
1372 /* FIXME: shall I notify once after all is done, or for
1373 * each of the open drivers ? if the latest, which notif
1374 * to return when only one fails ?
1375 */
1376 for (wmd = WINMM_IData->lpMciDrvs; wmd; ) {
1377 next = wmd->lpNext;
1378 MCI_Close(wmd->wDeviceID, dwParam, lpParms);
1379 wmd = next;
1380 }
1381 LeaveCriticalSection(&WINMM_IData->cs);
1382 return 0;
1383 }
1384
1385 if (!(wmd = MCI_GetDriver(wDevID))) {
1386 return MCIERR_INVALID_DEVICE_ID;
1387 }
1388
1389 dwRet = MCI_SendCommandFrom32(wDevID, MCI_CLOSE_DRIVER, dwParam, (DWORD)lpParms);
1390
1391 MCI_UnLoadMciDriver(wmd);
1392
1393 if (dwParam & MCI_NOTIFY)
1394 mciDriverNotify((HWND)lpParms->dwCallback, wDevID,
1395 (dwRet == 0) ? MCI_NOTIFY_SUCCESSFUL : MCI_NOTIFY_FAILURE);
1396
1397 return dwRet;
1398 }
1399
1400 /**************************************************************************
1401 * MCI_WriteString [internal]
1402 */
1403 DWORD MCI_WriteString(LPSTR lpDstStr, DWORD dstSize, LPCSTR lpSrcStr)
1404 {
1405 DWORD ret = 0;
1406
1407 if (lpSrcStr) {
1408 if (dstSize <= strlen(lpSrcStr)) {
1409 lstrcpynA(lpDstStr, lpSrcStr, dstSize - 1);
1410 ret = MCIERR_PARAM_OVERFLOW;
1411 } else {
1412 strcpy(lpDstStr, lpSrcStr);
1413 }
1414 } else {
1415 *lpDstStr = 0;
1416 }
1417 return ret;
1418 }
1419
1420 /**************************************************************************
1421 * MCI_Sysinfo [internal]
1422 */
1423 static DWORD MCI_SysInfo(UINT uDevID, DWORD dwFlags, LPMCI_SYSINFO_PARMSA lpParms)
1424 {
1425 DWORD ret = MCIERR_INVALID_DEVICE_ID;
1426 LPWINE_MCIDRIVER wmd;
1427
1428 if (lpParms == NULL) return MCIERR_NULL_PARAMETER_BLOCK;
1429
1430 TRACE("(%08x, %08lX, %08lX[num=%ld, wDevTyp=%u])\n",
1431 uDevID, dwFlags, (DWORD)lpParms, lpParms->dwNumber, lpParms->wDeviceType);
1432
1433 switch (dwFlags & ~MCI_SYSINFO_OPEN) {
1434 case MCI_SYSINFO_QUANTITY:
1435 {
1436 DWORD cnt = 0;
1437
1438 if (lpParms->wDeviceType < MCI_DEVTYPE_FIRST ||
1439 lpParms->wDeviceType > MCI_DEVTYPE_LAST) {
1440 if (dwFlags & MCI_SYSINFO_OPEN) {
1441 TRACE("MCI_SYSINFO_QUANTITY: # of open MCI drivers\n");
1442 EnterCriticalSection(&WINMM_IData->cs);
1443 for (wmd = WINMM_IData->lpMciDrvs; wmd; wmd = wmd->lpNext) {
1444 cnt++;
1445 }
1446 LeaveCriticalSection(&WINMM_IData->cs);
1447 } else {
1448 TRACE("MCI_SYSINFO_QUANTITY: # of installed MCI drivers\n");
1449 cnt = MCI_InstalledCount;
1450 }
1451 } else {
1452 if (dwFlags & MCI_SYSINFO_OPEN) {
1453 TRACE("MCI_SYSINFO_QUANTITY: # of open MCI drivers of type %u\n",
1454 lpParms->wDeviceType);
1455 EnterCriticalSection(&WINMM_IData->cs);
1456 for (wmd = WINMM_IData->lpMciDrvs; wmd; wmd = wmd->lpNext) {
1457 if (wmd->wType == lpParms->wDeviceType)
1458 cnt++;
1459 }
1460 LeaveCriticalSection(&WINMM_IData->cs);
1461 } else {
1462 TRACE("MCI_SYSINFO_QUANTITY: # of installed MCI drivers of type %u\n",
1463 lpParms->wDeviceType);
1464 FIXME("Don't know how to get # of MCI devices of a given type\n");
1465 cnt = 1;
1466 }
1467 }
1468 *(DWORD*)lpParms->lpstrReturn = cnt;
1469 }
1470 TRACE("(%ld) => '%ld'\n", lpParms->dwNumber, *(DWORD*)lpParms->lpstrReturn);
1471 ret = MCI_INTEGER_RETURNED;
1472 break;
1473 case MCI_SYSINFO_INSTALLNAME:
1474 TRACE("MCI_SYSINFO_INSTALLNAME \n");
1475 if ((wmd = MCI_GetDriver(uDevID))) {
1476 ret = MCI_WriteString(lpParms->lpstrReturn, lpParms->dwRetSize,
1477 wmd->lpstrDeviceType);
1478 } else {
1479 *lpParms->lpstrReturn = 0;
1480 ret = MCIERR_INVALID_DEVICE_ID;
1481 }
1482 TRACE("(%ld) => '%s'\n", lpParms->dwNumber, lpParms->lpstrReturn);
1483 break;
1484 case MCI_SYSINFO_NAME:
1485 TRACE("MCI_SYSINFO_NAME\n");
1486 if (dwFlags & MCI_SYSINFO_OPEN) {
1487 FIXME("Don't handle MCI_SYSINFO_NAME|MCI_SYSINFO_OPEN (yet)\n");
1488 ret = MCIERR_UNRECOGNIZED_COMMAND;
1489 } else if (lpParms->dwNumber > MCI_InstalledCount) {
1490 ret = MCIERR_OUTOFRANGE;
1491 } else {
1492 DWORD count = lpParms->dwNumber;
1493 LPSTR ptr = MCI_lpInstallNames;
1494
1495 while (--count > 0) ptr += strlen(ptr) + 1;
1496 ret = MCI_WriteString(lpParms->lpstrReturn, lpParms->dwRetSize, ptr);
1497 }
1498 TRACE("(%ld) => '%s'\n", lpParms->dwNumber, lpParms->lpstrReturn);
1499 break;
1500 default:
1501 TRACE("Unsupported flag value=%08lx\n", dwFlags);
1502 ret = MCIERR_UNRECOGNIZED_COMMAND;
1503 }
1504 return ret;
1505 }
1506
1507 /**************************************************************************
1508 * MCI_Break [internal]
1509 */
1510 static DWORD MCI_Break(UINT wDevID, DWORD dwFlags, LPMCI_BREAK_PARMS lpParms)
1511 {
1512 DWORD dwRet = 0;
1513
1514 if (lpParms == NULL) return MCIERR_NULL_PARAMETER_BLOCK;
1515
1516 if (dwFlags & MCI_NOTIFY)
1517 mciDriverNotify((HWND)lpParms->dwCallback, wDevID,
1518 (dwRet == 0) ? MCI_NOTIFY_SUCCESSFUL : MCI_NOTIFY_FAILURE);
1519
1520 return dwRet;
1521 }
1522
1523 /**************************************************************************
1524 * MCI_SendCommand [internal]
1525 */
1526 DWORD MCI_SendCommand(UINT wDevID, UINT16 wMsg, DWORD dwParam1,
1527 DWORD dwParam2, BOOL bFrom32)
1528 {
1529 DWORD dwRet = MCIERR_UNRECOGNIZED_COMMAND;
1530
1531 switch (wMsg) {
1532 case MCI_OPEN:
1533 if (bFrom32) {
1534 dwRet = MCI_Open(dwParam1, (LPMCI_OPEN_PARMSA)dwParam2);
1535 } else if (pFnMciMapMsg16To32A) {
1536 switch (pFnMciMapMsg16To32A(0, wMsg, &dwParam2)) {
1537 case WINMM_MAP_OK:
1538 case WINMM_MAP_OKMEM:
1539 dwRet = MCI_Open(dwParam1, (LPMCI_OPEN_PARMSA)dwParam2);
1540 pFnMciUnMapMsg16To32A(0, wMsg, dwParam2);
1541 break;
1542 default: break; /* so that gcc does not bark */
1543 }
1544 }
1545 break;
1546 case MCI_CLOSE:
1547 if (bFrom32) {
1548 dwRet = MCI_Close(wDevID, dwParam1, (LPMCI_GENERIC_PARMS)dwParam2);
1549 } else if (pFnMciMapMsg16To32A) {
1550 switch (pFnMciMapMsg16To32A(0, wMsg, &dwParam2)) {
1551 case WINMM_MAP_OK:
1552 case WINMM_MAP_OKMEM:
1553 dwRet = MCI_Close(wDevID, dwParam1, (LPMCI_GENERIC_PARMS)dwParam2);
1554 pFnMciUnMapMsg16To32A(0, wMsg, dwParam2);
1555 break;
1556 default: break; /* so that gcc does not bark */
1557 }
1558 }
1559 break;
1560 case MCI_SYSINFO:
1561 if (bFrom32) {
1562 dwRet = MCI_SysInfo(wDevID, dwParam1, (LPMCI_SYSINFO_PARMSA)dwParam2);
1563 } else if (pFnMciMapMsg16To32A) {
1564 switch (pFnMciMapMsg16To32A(0, wMsg, &dwParam2)) {
1565 case WINMM_MAP_OK:
1566 case WINMM_MAP_OKMEM:
1567 dwRet = MCI_SysInfo(wDevID, dwParam1, (LPMCI_SYSINFO_PARMSA)dwParam2);
1568 pFnMciUnMapMsg16To32A(0, wMsg, dwParam2);
1569 break;
1570 default: break; /* so that gcc doesnot bark */
1571 }
1572 }
1573 break;
1574 case MCI_BREAK:
1575 if (bFrom32) {
1576 dwRet = MCI_Break(wDevID, dwParam1, (LPMCI_BREAK_PARMS)dwParam2);
1577 } else if (pFnMciMapMsg16To32A) {
1578 switch (pFnMciMapMsg16To32A(0, wMsg, &dwParam2)) {
1579 case WINMM_MAP_OK:
1580 case WINMM_MAP_OKMEM:
1581 dwRet = MCI_Break(wDevID, dwParam1, (LPMCI_BREAK_PARMS)dwParam2);
1582 pFnMciUnMapMsg16To32A(0, wMsg, dwParam2);
1583 break;
1584 default: break; /* so that gcc does not bark */
1585 }
1586 }
1587 break;
1588 case MCI_SOUND:
1589 /* FIXME: it seems that MCI_SOUND needs the same handling as MCI_BREAK
1590 * but I couldn't get any doc on this MCI message
1591 */
1592 break;
1593 default:
1594 if (wDevID == MCI_ALL_DEVICE_ID) {
1595 FIXME("unhandled MCI_ALL_DEVICE_ID\n");
1596 dwRet = MCIERR_CANNOT_USE_ALL;
1597 } else {
1598 dwRet = (bFrom32) ?
1599 MCI_SendCommandFrom32(wDevID, wMsg, dwParam1, dwParam2) :
1600 MCI_SendCommandFrom16(wDevID, wMsg, dwParam1, dwParam2);
1601 }
1602 break;
1603 }
1604 return dwRet;
1605 }
1606
1607 /**************************************************************************
1608 * MCI_CleanUp [internal]
1609 *
1610 * Some MCI commands need to be cleaned-up (when not called from
1611 * mciSendString), because MCI drivers return extra information for string
1612 * transformation. This function gets rid of them.
1613 */
1614 LRESULT MCI_CleanUp(LRESULT dwRet, UINT wMsg, DWORD dwParam2)
1615 {
1616 if (LOWORD(dwRet))
1617 return LOWORD(dwRet);
1618
1619 switch (wMsg) {
1620 case MCI_GETDEVCAPS:
1621 switch (dwRet & 0xFFFF0000ul) {
1622 case 0:
1623 case MCI_COLONIZED3_RETURN:
1624 case MCI_COLONIZED4_RETURN:
1625 case MCI_INTEGER_RETURNED:
1626 /* nothing to do */
1627 break;
1628 case MCI_RESOURCE_RETURNED:
1629 case MCI_RESOURCE_RETURNED|MCI_RESOURCE_DRIVER:
1630 {
1631 LPMCI_GETDEVCAPS_PARMS lmgp;
1632
1633 lmgp = (LPMCI_GETDEVCAPS_PARMS)(void*)dwParam2;
1634 TRACE("Changing %08lx to %08lx\n", lmgp->dwReturn, (DWORD)LOWORD(lmgp->dwReturn));
1635 lmgp->dwReturn = LOWORD(lmgp->dwReturn);
1636 }
1637 break;
1638 default:
1639 FIXME("Unsupported value for hiword (%04x) returned by DriverProc(%s)\n",
1640 HIWORD(dwRet), MCI_MessageToString(wMsg));
1641 }
1642 break;
1643 case MCI_STATUS:
1644 switch (dwRet & 0xFFFF0000ul) {
1645 case 0:
1646 case MCI_COLONIZED3_RETURN:
1647 case MCI_COLONIZED4_RETURN:
1648 case MCI_INTEGER_RETURNED:
1649 /* nothing to do */
1650 break;
1651 case MCI_RESOURCE_RETURNED:
1652 case MCI_RESOURCE_RETURNED|MCI_RESOURCE_DRIVER:
1653 {
1654 LPMCI_STATUS_PARMS lsp;
1655
1656 lsp = (LPMCI_STATUS_PARMS)(void*)dwParam2;
1657 TRACE("Changing %08lx to %08lx\n", lsp->dwReturn, (DWORD)LOWORD(lsp->dwReturn));
1658 lsp->dwReturn = LOWORD(lsp->dwReturn);
1659 }
1660 break;
1661 default:
1662 FIXME("Unsupported value for hiword (%04x) returned by DriverProc(%s)\n",
1663 HIWORD(dwRet), MCI_MessageToString(wMsg));
1664 }
1665 break;
1666 case MCI_SYSINFO:
1667 switch (dwRet & 0xFFFF0000ul) {
1668 case 0:
1669 case MCI_INTEGER_RETURNED:
1670 /* nothing to do */
1671 break;
1672 default:
1673 FIXME("Unsupported value for hiword (%04x)\n", HIWORD(dwRet));
1674 }
1675 break;
1676 default:
1677 if (HIWORD(dwRet)) {
1678 FIXME("Got non null hiword for dwRet=0x%08lx for command %s\n",
1679 dwRet, MCI_MessageToString(wMsg));
1680 }
1681 break;
1682 }
1683 return LOWORD(dwRet);
1684 }
1685
1686 /**************************************************************************
1687 * MCI_Init [internal]
1688 *
1689 * Initializes the MCI internal variables.
1690 *
1691 */
1692 BOOL MCI_Init(void)
1693 {
1694 LPSTR ptr1, ptr2;
1695 HKEY hWineConf;
1696 HKEY hkey;
1697 DWORD err;
1698 DWORD type;
1699 DWORD count = 2048;
1700
1701 MCI_InstalledCount = 0;
1702 ptr1 = MCI_lpInstallNames = HeapAlloc(GetProcessHeap(), 0, count);
1703
1704 if (!MCI_lpInstallNames)
1705 return FALSE;
1706
1707 /* FIXME: should do also some registry diving here ? */
1708 if (!(err = RegOpenKeyA(HKEY_LOCAL_MACHINE, "Software\\Wine\\Wine\\Config", &hWineConf)) &&
1709 !(err = RegOpenKeyA(hWineConf, "options", &hkey))) {
1710 err = RegQueryValueExA(hkey, "mci", 0, &type, MCI_lpInstallNames, &count);
1711 RegCloseKey(hkey);
1712
1713 }
1714 if (!err) {
1715 TRACE("Wine => '%s' \n", ptr1);
1716 while ((ptr2 = strchr(ptr1, ':')) != 0) {
1717 *ptr2++ = 0;
1718 TRACE("---> '%s' \n", ptr1);
1719 MCI_InstalledCount++;
1720 ptr1 = ptr2;
1721 }
1722 MCI_InstalledCount++;
1723 TRACE("---> '%s' \n", ptr1);
1724 ptr1 += strlen(ptr1) + 1;
1725 } else {
1726 GetPrivateProfileStringA("mci", NULL, "", MCI_lpInstallNames, count, "SYSTEM.INI");
1727 while (strlen(ptr1) > 0) {
1728 TRACE("---> '%s' \n", ptr1);
1729 ptr1 += strlen(ptr1) + 1;
1730 MCI_InstalledCount++;
1731 }
1732 }
1733 RegCloseKey(hWineConf);
1734 return TRUE;
1735 }
Windows API implementation