source: trunk/src/kernel32/hmopen32.cpp@ 1718

Last change on this file since 1718 was 1718, checked in by sandervl, 26 years ago

Fixed ReadFile & aliased memory problems
File size: 29.7 KB
Line 
1/* $Id: hmopen32.cpp,v 1.12 1999-11-13 14:21:30 sandervl Exp $ */
2
3/*
4 * Project Odin Software License can be found in LICENSE.TXT
5 * Win32 Unified Handle Manager for OS/2
6 */
7
8
9/*****************************************************************************
10 * Remark *
11 *****************************************************************************
12 */
13
14//#define DEBUG_LOCAL
15
16#ifdef DEBUG_LOCAL
17# define dprintfl(a) dprintf(a)
18#else
19inline void ignore_dprintf(...){}
20# define dprintfl(a) ignore_dprintf(a)
21#endif
22
23/*****************************************************************************
24 * Includes *
25 *****************************************************************************/
26
27#include <os2win.h>
28#include <string.h>
29#include "HandleManager.h"
30#include "HMOpen32.h"
31#include "mmap.h"
32
33/*****************************************************************************
34 * Defines *
35 *****************************************************************************/
36
37
38/*****************************************************************************
39 * Structures *
40 *****************************************************************************/
41
42/*****************************************************************************
43 * Name : HMDeviceOpen32Class::_DeviceRequest
44 * Purpose : entry method for special request functions
45 * Parameters: ULONG ulRequestCode
46 * various parameters as required
47 * Variables :
48 * Result :
49 * Remark : the standard behaviour is to return an error code for non-
50 * existant request codes
51 * Status :
52 *
53 * Author : Patrick Haller [Wed, 1998/02/11 20:44]
54 *****************************************************************************/
55DWORD HMDeviceOpen32Class::_DeviceRequest (PHMHANDLEDATA pHMHandleData,
56 ULONG ulRequestCode,
57 ULONG arg1,
58 ULONG arg2,
59 ULONG arg3,
60 ULONG arg4)
61{
62 dprintfl(("KERNEL32: HandleManager::Open32::_DeviceRequest %s(%08x,%08x) - stub?\n",
63 lpHMDeviceName,
64 pHMHandleData,
65 ulRequestCode));
66
67 return(ERROR_INVALID_FUNCTION);
68}
69
70
71/*****************************************************************************
72 * Name : HMDeviceHandler::DuplicateHandle
73 * Purpose : dummy version
74 * Parameters:
75 * various parameters as required
76 * Variables :
77 * Result :
78 * Remark : the standard behaviour is to return an error code for non-
79 * existant request codes
80 * Status :
81 *
82 * Author : Patrick Haller [Wed, 1998/02/11 20:44]
83 *****************************************************************************/
84BOOL HMDeviceOpen32Class::DuplicateHandle(PHMHANDLEDATA pHMHandleData, HANDLE srcprocess,
85 PHMHANDLEDATA pHMSrcHandle,
86 HANDLE destprocess,
87 PHANDLE desthandle,
88 DWORD fdwAccess,
89 BOOL fInherit,
90 DWORD fdwOptions)
91{
92 BOOL rc;
93
94 dprintf(("KERNEL32:HandleManager::Open32::DuplicateHandle %s(%08x,%08x,%08x,%08x,%08x)\n",
95 lpHMDeviceName,
96 pHMHandleData,
97 srcprocess, pHMSrcHandle->hHMHandle, destprocess, desthandle));
98
99#if 1
100 rc = O32_DuplicateHandle(srcprocess, pHMSrcHandle->hHMHandle, destprocess, desthandle, fdwAccess, fInherit, fdwOptions);
101
102 if(rc == TRUE) {
103 pHMHandleData->hHMHandle = *desthandle;
104 return (NO_ERROR);
105 }
106 else return(O32_GetLastError());
107#else
108 rc = OSLibDosDupHandle(pHMSrcHandle->hHMHandle, desthandle);
109 if(rc == NO_ERROR)
110 {
111 pHMHandleData->hHMHandle = *desthandle;
112 return (NO_ERROR);
113 }
114 else
115 {
116 dprintfl(("KERNEL32: HandleManager::Open32::DuplicateHandle Error %d\n",rc));
117 O32_SetLastError(rc);
118 return(rc);
119 }
120#endif
121}
122
123/*****************************************************************************
124 * Name : DWORD HMDeviceOpen32Class::CreateFile
125 * Purpose : this is called from the handle manager if a CreateFile() is
126 * performed on a handle
127 * Parameters: LPCSTR lpFileName name of the file / device
128 * PHMHANDLEDATA pHMHandleData data of the NEW handle
129 * PVOID lpSecurityAttributes ignored
130 * PHMHANDLEDATA pHMHandleDataTemplate data of the template handle
131 * Variables :
132 * Result :
133 * Remark :
134 * Status : NO_ERROR - API succeeded
135 * other - what is to be set in SetLastError
136 *
137 * Author : Patrick Haller [Wed, 1998/02/11 20:44]
138 *****************************************************************************/
139
140DWORD HMDeviceOpen32Class::CreateFile (LPCSTR lpFileName,
141 PHMHANDLEDATA pHMHandleData,
142 PVOID lpSecurityAttributes,
143 PHMHANDLEDATA pHMHandleDataTemplate)
144{
145 HFILE hFile;
146 HFILE hTemplate;
147
148 dprintfl(("KERNEL32: HandleManager::Open32::CreateFile %s(%s,%08x,%08x,%08x) - stub?\n",
149 lpHMDeviceName,
150 lpFileName,
151 pHMHandleData,
152 lpSecurityAttributes,
153 pHMHandleDataTemplate));
154
155 if (strncmp(lpFileName, // "support" for local unc names
156 "\\\\.\\",
157 4) == 0)
158 {
159 lpFileName+=4;
160 }
161
162 // create from template
163 if (pHMHandleDataTemplate != NULL)
164 hTemplate = pHMHandleDataTemplate->hHMHandle;
165 else
166 hTemplate = 0;
167
168#if 1
169 hFile = O32_CreateFile(lpFileName,
170 pHMHandleData->dwAccess,
171 pHMHandleData->dwShare,
172 //(LPSECURITY_ATTRIBUTES)lpSecurityAttributes,
173 NULL,
174 pHMHandleData->dwCreation,
175 pHMHandleData->dwFlags,
176 hTemplate);
177 if (hFile != INVALID_HANDLE_ERROR)
178 {
179 pHMHandleData->hHMHandle = hFile;
180 return (NO_ERROR);
181 }
182 else
183 return(O32_GetLastError());
184#else
185
186 rc = OSLibDosCreate((char *)lpFileName,
187 pHMHandleData->dwAccess,
188 pHMHandleData->dwShare,
189 //(LPSECURITY_ATTRIBUTES)lpSecurityAttributes,
190 NULL,
191 pHMHandleData->dwCreation,
192 pHMHandleData->dwFlags,
193 hTemplate, &hFile);
194 if(rc)
195 {
196 dprintfl(("KERNEL32: HandleManager::Open32::CreateFile Error %d\n",rc));
197 O32_SetLastError(rc);
198 return(rc);
199 }
200 else
201 {
202 pHMHandleData->hHMHandle = hFile;
203 return (NO_ERROR);
204 }
205#endif
206}
207
208
209/*****************************************************************************
210 * Name : DWORD HMDeviceOpen32Class::CloseHandle
211 * Purpose : close the handle
212 * Parameters: PHMHANDLEDATA pHMHandleData
213 * Variables :
214 * Result : API returncode
215 * Remark :
216 * Status :
217 *
218 * Author : Patrick Haller [Wed, 1998/02/11 20:44]
219 *****************************************************************************/
220
221DWORD HMDeviceOpen32Class::CloseHandle(PHMHANDLEDATA pHMHandleData)
222{
223 BOOL bRC;
224
225 dprintfl(("KERNEL32: HandleManager::Open32::CloseHandle(%08x)\n",
226 pHMHandleData->hHMHandle));
227
228#if 1
229 bRC = O32_CloseHandle(pHMHandleData->hHMHandle);
230
231 dprintfl(("KERNEL32: HandleManager::Open32::CloseHandle returned %08xh\n",
232 bRC));
233
234 return (DWORD)bRC;
235#else
236 bRC = OSLibDosClose(pHMHandleData->hHMHandle);
237 if(bRC)
238 {
239 dprintfl(("KERNEL32: HandleManager::Open32::CloseHandle Error %d\n",bRC));
240 O32_SetLastError(bRC);
241 return TRUE; // MUTEX Problem
242 return FALSE;
243 }
244 else
245 {
246 return TRUE;
247 }
248#endif
249}
250
251
252/*****************************************************************************
253 * Name : DWORD HMDeviceOpen32Class::ReadFile
254 * Purpose : read data from handle / device
255 * Parameters: PHMHANDLEDATA pHMHandleData,
256 * LPCVOID lpBuffer,
257 * DWORD nNumberOfBytesToRead,
258 * LPDWORD lpNumberOfBytesRead,
259 * LPOVERLAPPED lpOverlapped
260 * Variables :
261 * Result : API returncode
262 * Remark :
263 * Status :
264 *
265 * Author : Patrick Haller [Wed, 1998/02/11 20:44]
266 *****************************************************************************/
267
268DWORD HMDeviceOpen32Class::ReadFile(PHMHANDLEDATA pHMHandleData,
269 LPCVOID lpBuffer,
270 DWORD nNumberOfBytesToRead,
271 LPDWORD lpNumberOfBytesRead,
272 LPOVERLAPPED lpOverlapped)
273{
274 BOOL bRC;
275 LPVOID lpRealBuf;
276
277 dprintfl(("KERNEL32: HandleManager::Open32::ReadFile %s(%08x,%08x,%08x,%08x,%08x) - stub?\n",
278 lpHMDeviceName,
279 pHMHandleData,
280 lpBuffer,
281 nNumberOfBytesToRead,
282 lpNumberOfBytesRead,
283 lpOverlapped));
284
285#if 1
286 Win32MemMap *map;
287 DWORD offset;
288
289 //SvL: DosRead doesn't like writing to memory addresses returned by
290 // DosAliasMem -> search for original memory mapped pointer and use
291 // that one
292 map = Win32MemMapView::findMapByView((ULONG)lpBuffer, &offset, MEMMAP_ACCESS_READ);
293 if(map) {
294 lpRealBuf = (LPVOID)((ULONG)map->getMappingAddr() + offset);
295 }
296 else lpRealBuf = (LPVOID)lpBuffer;
297
298 bRC = O32_ReadFile(pHMHandleData->hHMHandle,
299 (PVOID)lpRealBuf,
300 nNumberOfBytesToRead,
301 lpNumberOfBytesRead,
302 lpOverlapped);
303
304 if(bRC == 0) {
305 dprintf(("KERNEL32: HandleManager::Open32::ReadFile returned %08xh %x\n",
306 bRC, GetLastError()));
307 dprintf(("%x -> %d", lpBuffer, IsBadWritePtr((LPVOID)lpBuffer, nNumberOfBytesToRead)));
308 }
309 else dprintfl(("KERNEL32: HandleManager::Open32::ReadFile returned %08xh\n",
310 bRC));
311
312 return (DWORD)bRC;
313#else
314 rc = OSLibDosRead(pHMHandleData->hHMHandle,
315 (PVOID) lpBuffer,
316 nNumberOfBytesToRead,
317 lpNumberOfBytesRead);
318 if(rc)
319 {
320 dprintfl(("KERNEL32: HandleManager::Open32::ReadFile Error %d\n",rc));
321 O32_SetLastError(rc);
322 return FALSE;
323 }
324 else
325 {
326 return TRUE;
327 }
328#endif
329}
330
331
332/*****************************************************************************
333 * Name : DWORD HMDeviceOpen32Class::WriteFile
334 * Purpose : write data to handle / device
335 * Parameters: PHMHANDLEDATA pHMHandleData,
336 * LPCVOID lpBuffer,
337 * DWORD nNumberOfBytesToWrite,
338 * LPDWORD lpNumberOfBytesWritten,
339 * LPOVERLAPPED lpOverlapped
340 * Variables :
341 * Result : API returncode
342 * Remark :
343 * Status :
344 *
345 * Author : Patrick Haller [Wed, 1998/02/11 20:44]
346 *****************************************************************************/
347
348DWORD HMDeviceOpen32Class::WriteFile(PHMHANDLEDATA pHMHandleData,
349 LPCVOID lpBuffer,
350 DWORD nNumberOfBytesToWrite,
351 LPDWORD lpNumberOfBytesWritten,
352 LPOVERLAPPED lpOverlapped)
353{
354 BOOL bRC;
355
356 dprintfl(("KERNEL32: HandleManager::Open32::WriteFile %s(%08x,%08x,%08x,%08x,%08x) - stub?\n",
357 lpHMDeviceName,
358 pHMHandleData,
359 lpBuffer,
360 nNumberOfBytesToWrite,
361 lpNumberOfBytesWritten,
362 lpOverlapped));
363
364#if 1
365 bRC = O32_WriteFile(pHMHandleData->hHMHandle,
366 lpBuffer,
367 nNumberOfBytesToWrite,
368 lpNumberOfBytesWritten,
369 lpOverlapped);
370
371 dprintfl(("KERNEL32: HandleManager::Open32::WriteFile returned %08xh\n",
372 bRC));
373
374 return (DWORD)bRC;
375#else
376 rc = OSLibDosWrite(pHMHandleData->hHMHandle,
377 (PVOID) lpBuffer,
378 nNumberOfBytesToWrite,
379 lpNumberOfBytesWritten);
380 if(rc)
381 {
382 dprintfl(("KERNEL32: HandleManager::Open32::WriteFile Error %d\n",rc));
383 O32_SetLastError(rc);
384 return FALSE;
385 }
386 else
387 {
388 return TRUE;
389 }
390#endif
391}
392
393
394/*****************************************************************************
395 * Name : DWORD HMDeviceOpen32Class::GetFileType
396 * Purpose : determine the handle type
397 * Parameters: PHMHANDLEDATA pHMHandleData
398 * Variables :
399 * Result : API returncode
400 * Remark :
401 * Status :
402 *
403 * Author : Patrick Haller [Wed, 1998/02/11 20:44]
404 *****************************************************************************/
405
406DWORD HMDeviceOpen32Class::GetFileType(PHMHANDLEDATA pHMHandleData)
407{
408 dprintfl(("KERNEL32: HandleManager::Open32::GetFileType %s(%08x)\n",
409 lpHMDeviceName,
410 pHMHandleData));
411
412#if 1
413 return O32_GetFileType(pHMHandleData->hHMHandle);
414#else
415 // TODO: FILE_TYPE_DISK
416 return FILE_TYPE_CHAR;
417#endif
418}
419
420
421/*****************************************************************************
422 * Name : DWORD HMDeviceOpen32Class::GetFileInformationByHandle
423 * Purpose : determine the handle type
424 * Parameters: PHMHANDLEDATA pHMHandleData
425 * BY_HANDLE_FILE_INFORMATION* pHFI
426 * Variables :
427 * Result : API returncode
428 * Remark :
429 * Status :
430 *
431 * Author : Patrick Haller [Wed, 1999/06/17 20:44]
432 *****************************************************************************/
433
434DWORD HMDeviceOpen32Class::GetFileInformationByHandle(PHMHANDLEDATA pHMHandleData,
435 BY_HANDLE_FILE_INFORMATION* pHFI)
436{
437 dprintfl(("KERNEL32: HandleManager::Open32::GetFileInformationByHandle %s(%08xh,%08xh)\n",
438 lpHMDeviceName,
439 pHMHandleData,
440 pHFI));
441
442 return O32_GetFileInformationByHandle(pHMHandleData->hHMHandle,
443 pHFI);
444}
445
446
447/*****************************************************************************
448 * Name : BOOL HMDeviceOpen32Class::SetEndOfFile
449 * Purpose : set end of file marker
450 * Parameters: PHMHANDLEDATA pHMHandleData
451 * Variables :
452 * Result : API returncode
453 * Remark :
454 * Status :
455 *
456 * Author : Patrick Haller [Wed, 1999/06/17 20:44]
457 *****************************************************************************/
458
459BOOL HMDeviceOpen32Class::SetEndOfFile(PHMHANDLEDATA pHMHandleData)
460{
461 dprintfl(("KERNEL32: HandleManager::Open32::SetEndOfFile %s(%08xh)\n",
462 lpHMDeviceName,
463 pHMHandleData));
464
465 return O32_SetEndOfFile(pHMHandleData->hHMHandle);
466}
467
468
469/*****************************************************************************
470 * Name : BOOL HMDeviceOpen32Class::SetFileTime
471 * Purpose : set file time
472 * Parameters: PHMHANDLEDATA pHMHandleData
473 * PFILETIME pFT1
474 * PFILETIME pFT2
475 * PFILETIME pFT3
476 * Variables :
477 * Result : API returncode
478 * Remark :
479 * Status :
480 *
481 * Author : Patrick Haller [Wed, 1999/06/17 20:44]
482 *****************************************************************************/
483
484BOOL HMDeviceOpen32Class::SetFileTime(PHMHANDLEDATA pHMHandleData,
485 LPFILETIME pFT1,
486 LPFILETIME pFT2,
487 LPFILETIME pFT3)
488{
489 dprintfl(("KERNEL32: HandleManager::Open32::SetFileTime %s(%08xh,%08xh,%08xh,%08xh)\n",
490 lpHMDeviceName,
491 pHMHandleData,
492 pFT1,
493 pFT2,
494 pFT3));
495
496 return O32_SetFileTime(pHMHandleData->hHMHandle,
497 pFT1,
498 pFT2,
499 pFT3);
500}
501
502
503/*****************************************************************************
504 * Name : DWORD HMDeviceOpen32Class::GetFileSize
505 * Purpose : set file time
506 * Parameters: PHMHANDLEDATA pHMHandleData
507 * PDWORD pSize
508 * Variables :
509 * Result : API returncode
510 * Remark :
511 * Status :
512 *
513 * Author : Patrick Haller [Wed, 1999/06/17 20:44]
514 *****************************************************************************/
515
516DWORD HMDeviceOpen32Class::GetFileSize(PHMHANDLEDATA pHMHandleData,
517 PDWORD lpdwFileSizeHigh)
518{
519 dprintfl(("KERNEL32: HandleManager::Open32::GetFileSize %s(%08xh,%08xh)\n",
520 lpHMDeviceName,
521 pHMHandleData,
522 lpdwFileSizeHigh));
523
524#if 1
525 if(lpdwFileSizeHigh)
526 *lpdwFileSizeHigh = 0;
527
528 return O32_GetFileSize(pHMHandleData->hHMHandle,
529 lpdwFileSizeHigh);
530#else
531 size = OSLibDosGetFileSize(pHMHandleData->hHMHandle);
532 if(pSize)
533 *pSize = 0;
534 return size;
535#endif
536}
537
538
539/*****************************************************************************
540 * Name : DWORD HMDeviceOpen32Class::SetFilePointer
541 * Purpose : set file pointer
542 * Parameters: PHMHANDLEDATA pHMHandleData
543 * LONG lDistanceToMove
544 * PLONG lpDistanceToMoveHigh
545 * DWORD dwMoveMethod
546 * Variables :
547 * Result : API returncode
548 * Remark :
549 * Status :
550 *
551 * Author : Patrick Haller [Wed, 1999/06/17 20:44]
552 *****************************************************************************/
553
554DWORD HMDeviceOpen32Class::SetFilePointer(PHMHANDLEDATA pHMHandleData,
555 LONG lDistanceToMove,
556 PLONG lpDistanceToMoveHigh,
557 DWORD dwMoveMethod)
558{
559 dprintfl(("KERNEL32: HandleManager::Open32::SetFilePointer %s(%08xh,%08xh,%08xh,%08xh)\n",
560 lpHMDeviceName,
561 pHMHandleData,
562 lDistanceToMove,
563 lpDistanceToMoveHigh,
564 dwMoveMethod));
565
566#if 1
567 if(lpDistanceToMoveHigh)
568 *lpDistanceToMoveHigh = 0;
569
570 return O32_SetFilePointer(pHMHandleData->hHMHandle,
571 lDistanceToMove,
572 lpDistanceToMoveHigh,
573 dwMoveMethod);
574#else
575
576 if(lpDistanceToMoveHigh)
577 *lpDistanceToMoveHigh = 0;
578 pos = OSLibDosSetFilePtr2(pHMHandleData->hHMHandle, lDistanceToMove, dwMoveMethod);
579 return pos;
580#endif
581}
582
583
584/*****************************************************************************
585 * Name : DWORD HMDeviceOpen32Class::LockFile
586 * Purpose : file locking
587 * Parameters: PHMHANDLEDATA pHMHandleData
588 * DWORD arg2
589 * DWORD arg3
590 * DWORD arg4
591 * DWORD arg5
592 * Variables :
593 * Result : API returncode
594 * Remark :
595 * Status :
596 *
597 * Author : Patrick Haller [Wed, 1999/06/17 20:44]
598 *****************************************************************************/
599
600DWORD HMDeviceOpen32Class::LockFile(PHMHANDLEDATA pHMHandleData,
601 DWORD arg2,
602 DWORD arg3,
603 DWORD arg4,
604 DWORD arg5)
605{
606 dprintfl(("KERNEL32: HandleManager::Open32::LockFile %s(%08xh,%08xh,%08xh,%08xh,%08xh)\n",
607 lpHMDeviceName,
608 pHMHandleData,
609 arg2,
610 arg3,
611 arg4,
612 arg5));
613
614 return O32_LockFile(pHMHandleData->hHMHandle,
615 arg2,
616 arg3,
617 arg4,
618 arg5);
619}
620
621
622
623/*****************************************************************************
624 * Name : DWORD HMDeviceOpen32Class::LockFileEx
625 * Purpose : file locking
626 * Parameters: PHMHANDLEDATA pHMHandleData
627 * DWORD dwFlags
628 * DWORD dwReserved
629 * DWORD nNumberOfBytesToLockLow
630 * DWORD nNumberOfBytesToLockHigh
631 * LPOVERLAPPED lpOverlapped
632 * Variables :
633 * Result : API returncode
634 * Remark :
635 * Status :
636 *
637 * Author : Patrick Haller [Wed, 1999/06/17 20:44]
638 *****************************************************************************/
639
640DWORD HMDeviceOpen32Class::LockFileEx(PHMHANDLEDATA pHMHandleData,
641 DWORD dwFlags,
642 DWORD dwReserved,
643 DWORD nNumberOfBytesToLockLow,
644 DWORD nNumberOfBytesToLockHigh,
645 LPOVERLAPPED lpOverlapped)
646{
647
648 dprintfl(("KERNEL32: HandleManager::Open32::LockFileEx %s(%08xh,%08xh,%08xh,%08xh,%08xh,%08xh)\n",
649 lpHMDeviceName,
650 pHMHandleData,
651 dwFlags,
652 dwReserved,
653 nNumberOfBytesToLockLow,
654 nNumberOfBytesToLockHigh,
655 lpOverlapped));
656
657
658 return(O32_LockFile(pHMHandleData->hHMHandle,
659 lpOverlapped->Offset,
660 lpOverlapped->OffsetHigh,
661 nNumberOfBytesToLockLow,
662 nNumberOfBytesToLockHigh));
663}
664
665
666/*****************************************************************************
667 * Name : DWORD HMDeviceOpen32Class::OpenFile
668 * Purpose : this is called from the handle manager if a OpenFile() is
669 * performed on a handle
670 * Parameters: LPCSTR lpFileName name of the file / device
671 * PHMHANDLEDATA pHMHandleData data of the NEW handle
672 * PVOID lpSecurityAttributes ignored
673 * PHMHANDLEDATA pHMHandleDataTemplate data of the template handle
674 * Variables :
675 * Result :
676 * Remark :
677 * Status : NO_ERROR - API succeeded
678 * other - what is to be set in SetLastError
679 *
680 * Author : Patrick Haller [Wed, 1998/02/11 20:44]
681 *****************************************************************************/
682
683DWORD HMDeviceOpen32Class::OpenFile (LPCSTR lpFileName,
684 PHMHANDLEDATA pHMHandleData,
685 OFSTRUCT *pOFStruct,
686 UINT arg3)
687{
688 HFILE hFile;
689 FILETIME filetime;
690 WORD filedatetime[2];
691
692 dprintfl(("KERNEL32: HandleManager::Open32::OpenFile %s(%s,%08x,%08x,%08x) - stub?\n",
693 lpHMDeviceName,
694 lpFileName,
695 pHMHandleData,
696 pOFStruct,
697 arg3));
698
699 if (strcmp(lpFileName, // "support" for local unc names
700 "\\\\.\\") == 0)
701 lpFileName+=4;
702
703 // filling OFSTRUCT
704 pOFStruct->cBytes = sizeof(OFSTRUCT);
705 pOFStruct->nErrCode = 0;
706
707 hFile = O32_OpenFile(lpFileName,
708 pOFStruct,
709 arg3);
710 if (hFile != INVALID_HANDLE_ERROR)
711 {
712 pHMHandleData->hHMHandle = hFile;
713
714 GetFileTime(hFile,
715 NULL,
716 NULL,
717 &filetime );
718 FileTimeToDosDateTime(&filetime,
719 &filedatetime[0],
720 &filedatetime[1] );
721 memcpy(pOFStruct->reserved,
722 filedatetime,
723 sizeof(pOFStruct->reserved) );
724
725 return (NO_ERROR);
726 }
727
728 // error branch
729 pOFStruct->nErrCode = O32_GetLastError();
730 dprintf(("KERNEL32: HandleManager::Open32::OpenFile Error %08xh\n",
731 pOFStruct->nErrCode));
732
733 // return != NO_ERROR => error code
734 return(hFile);
735}
736
737
738/*****************************************************************************
739 * Name : DWORD HMDeviceOpen32Class::UnlockFile
740 * Purpose : file locking
741 * Parameters: PHMHANDLEDATA pHMHandleData
742 * DWORD arg2
743 * DWORD arg3
744 * DWORD arg4
745 * DWORD arg5
746 * Variables :
747 * Result : API returncode
748 * Remark :
749 * Status :
750 *
751 * Author : Patrick Haller [Wed, 1999/06/17 20:44]
752 *****************************************************************************/
753
754DWORD HMDeviceOpen32Class::UnlockFile(PHMHANDLEDATA pHMHandleData,
755 DWORD arg2,
756 DWORD arg3,
757 DWORD arg4,
758 DWORD arg5)
759{
760 dprintfl(("KERNEL32: HandleManager::Open32::UnlockFile %s(%08xh,%08xh,%08xh,%08xh,%08xh)\n",
761 lpHMDeviceName,
762 pHMHandleData,
763 arg2,
764 arg3,
765 arg4,
766 arg5));
767
768 return O32_UnlockFile(pHMHandleData->hHMHandle,
769 arg2,
770 arg3,
771 arg4,
772 arg5);
773}
774
775
776
777/*****************************************************************************
778 * Name : DWORD HMDeviceOpen32Class::UnlockFileEx
779 * Purpose : file locking
780 * Parameters: PHMHANDLEDATA pHMHandleData
781 * DWORD dwFlags
782 * DWORD dwReserved
783 * DWORD nNumberOfBytesToLockLow
784 * DWORD nNumberOfBytesToLockHigh
785 * LPOVERLAPPED lpOverlapped
786 * Variables :
787 * Result : API returncode
788 * Remark :
789 * Status :
790 *
791 * Author : Patrick Haller [Wed, 1999/06/17 20:44]
792 *****************************************************************************/
793
794DWORD HMDeviceOpen32Class::UnlockFileEx(PHMHANDLEDATA pHMHandleData,
795 DWORD dwFlags,
796 DWORD dwReserved,
797 DWORD nNumberOfBytesToLockLow,
798 DWORD nNumberOfBytesToLockHigh,
799 LPOVERLAPPED lpOverlapped)
800{
801
802 dprintfl(("KERNEL32: HandleManager::Open32::UnlockFileEx %s(%08xh,%08xh,%08xh,%08xh,%08xh,%08xh)\n",
803 lpHMDeviceName,
804 pHMHandleData,
805 dwFlags,
806 dwReserved,
807 nNumberOfBytesToLockLow,
808 nNumberOfBytesToLockHigh,
809 lpOverlapped));
810
811 return(O32_UnlockFile(pHMHandleData->hHMHandle,
812 lpOverlapped->Offset,
813 lpOverlapped->OffsetHigh,
814 nNumberOfBytesToLockLow,
815 nNumberOfBytesToLockHigh));
816}
817
818
819/*****************************************************************************
820 * Name : DWORD HMDeviceOpen32Class::WaitForSingleObject
821 * Purpose : object synchronization
822 * Parameters: PHMHANDLEDATA pHMHandleData
823 * DWORD dwTimeout
824 * Variables :
825 * Result : API returncode
826 * Remark :
827 * Status :
828 *
829 * Author : Patrick Haller [Wed, 1999/06/17 20:44]
830 *****************************************************************************/
831
832DWORD HMDeviceOpen32Class::WaitForSingleObject(PHMHANDLEDATA pHMHandleData,
833 DWORD dwTimeout)
834{
835 dprintfl(("KERNEL32: HandleManager::Open32::WaitForSingleObject(%08xh,%08h)\n",
836 pHMHandleData->hHMHandle,
837 dwTimeout));
838
839 return (O32_WaitForSingleObject(pHMHandleData->hHMHandle,
840 dwTimeout));
841}
842
843
844/*****************************************************************************
845 * Name : DWORD HMDeviceOpen32Class::WaitForSingleObjectEx
846 * Purpose : object synchronization
847 * Parameters: PHMHANDLEDATA pHMHandleData
848 * DWORD dwTimeout
849 * BOOL fAlertable
850 * Variables :
851 * Result : API returncode
852 * Remark :
853 * Status :
854 *
855 * Author : Patrick Haller [Wed, 1999/06/17 20:44]
856 *****************************************************************************/
857
858DWORD HMDeviceOpen32Class::WaitForSingleObjectEx(PHMHANDLEDATA pHMHandleData,
859 DWORD dwTimeout,
860 BOOL fAlertable)
861{
862 dprintfl(("KERNEL32: HandleManager::Open32::WaitForSingleObjectEx(%08xh,%08h,%08xh) not implemented correctly.\n",
863 pHMHandleData->hHMHandle,
864 dwTimeout,
865 fAlertable));
866
867 //@@@PH: WARNING mapped to WaitForSingleObject simply. fAlertable missing!
868 return (O32_WaitForSingleObject(pHMHandleData->hHMHandle,
869 dwTimeout));
870}
871
872
873/*****************************************************************************
874 * Name : DWORD HMDeviceOpen32Class::FlushFileBuffers
875 * Purpose : flush the buffers of a file
876 * Parameters: PHMHANDLEDATA pHMHandleData
877 * Variables :
878 * Result : API returncode
879 * Remark :
880 * Status :
881 *
882 * Author : Patrick Haller [Wed, 1999/06/17 20:44]
883 *****************************************************************************/
884
885BOOL HMDeviceOpen32Class::FlushFileBuffers(PHMHANDLEDATA pHMHandleData)
886{
887 dprintfl(("KERNEL32: HandleManager::Open32:FlushFileBuffers(%08xh)\n",
888 pHMHandleData->hHMHandle));
889
890 return(O32_FlushFileBuffers(pHMHandleData->hHMHandle));
891}
892
893
894/*****************************************************************************
895 * Name : DWORD HMDeviceOpen32Class::GetOverlappedResult
896 * Purpose : asynchronus I/O
897 * Parameters: PHMHANDLEDATA pHMHandleData
898 * LPOVERLAPPED arg2
899 * LPDWORD arg3
900 * BOOL arg4
901 * Variables :
902 * Result : API returncode
903 * Remark :
904 * Status :
905 *
906 * Author : Patrick Haller [Wed, 1999/06/17 20:44]
907 *****************************************************************************/
908
909BOOL HMDeviceOpen32Class::GetOverlappedResult(PHMHANDLEDATA pHMHandleData,
910 LPOVERLAPPED arg2,
911 LPDWORD arg3,
912 BOOL arg4)
913{
914 dprintfl(("KERNEL32: HandleManager::Open32::GetOverlappedResult(%08xh,%08xh,%08xh,%08xh)\n",
915 pHMHandleData->hHMHandle,
916 arg2,
917 arg3,
918 arg4));
919
920 return(O32_GetOverlappedResult(pHMHandleData->hHMHandle,
921 arg2,
922 arg3,
923 arg4));
924}
925
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