source: trunk/src/kernel32/oslibdos.cpp@ 4003

Last change on this file since 4003 was 3999, checked in by sandervl, 25 years ago

CreateFile fix (don't add write access when creating files)
File size: 60.0 KB
Line 
1/* $Id: oslibdos.cpp,v 1.38 2000-08-12 07:32:19 sandervl Exp $ */
2/*
3 * Wrappers for OS/2 Dos* API
4 *
5 * Copyright 1998-2000 Sander van Leeuwen (sandervl@xs4all.nl)
6 * Copyright 1999-2000 Edgar Buerkle <Edgar.Buerkle@gmx.net>
7 * Copyright 2000 Przemyslaw Dobrowolski <dobrawka@asua.org.pl>
8 * Copyright 2000 Christoph Bratschi (cbratschi@datacomm.ch)
9 *
10 * Project Odin Software License can be found in LICENSE.TXT
11 *
12 */
13#define INCL_BASE
14#define INCL_DOSEXCEPTIONS
15#define INCL_DOSMEMMGR
16#define INCL_DOSPROCESS
17#define INCL_DOSFILEMGR
18#define INCL_DOSERRORS
19#define INCL_NPIPES
20#include <os2wrap.h> //Odin32 OS/2 api wrappers
21#include <stdlib.h>
22#include <stdio.h>
23#include <string.h>
24#include <ctype.h>
25#include <win32api.h>
26#include <winconst.h>
27#include <misc.h>
28#include "initterm.h"
29#include "oslibdos.h"
30#include "dosqss.h"
31
32#define DBG_LOCALLOG DBG_oslibdos
33#include "dbglocal.h"
34
35static PROC_DosSetFileSizeL DosSetFileSizeLProc = 0;
36static PROC_DosSetFilePtrL DosSetFilePtrLProc = 0;
37static PROC_DosSetFileLocksL DosSetFileLocksLProc = 0;
38static BOOL f64BitIO = FALSE;
39//******************************************************************************
40//******************************************************************************
41void OSLibInitWSeBFileIO()
42{
43 HMODULE hDoscalls;
44
45 if(DosQueryModuleHandle("DOSCALLS", &hDoscalls) != NO_ERROR) {
46 return;
47 }
48 if(DosQueryProcAddr(hDoscalls, 989, NULL, (PFN *)&DosSetFileSizeLProc) != NO_ERROR) {
49 return;
50 }
51 if(DosQueryProcAddr(hDoscalls, 988, NULL, (PFN *)&DosSetFilePtrLProc) != NO_ERROR) {
52 return;
53 }
54 if(DosQueryProcAddr(hDoscalls, 986, NULL, (PFN *)&DosSetFileLocksLProc) != NO_ERROR) {
55 return;
56 }
57 f64BitIO = TRUE;
58}
59//******************************************************************************
60//******************************************************************************
61APIRET OdinDosSetFileSizeL(HFILE hFile, LONGLONG cbSize)
62{
63 APIRET yyrc;
64 USHORT sel = RestoreOS2FS();
65
66 yyrc = DosSetFileSizeLProc(hFile, cbSize);
67 SetFS(sel);
68
69 return yyrc;
70}
71//******************************************************************************
72//******************************************************************************
73APIRET OdinDosSetFilePtrL(HFILE hFile, LONGLONG ib, ULONG method, PLONGLONG ibActual)
74{
75 APIRET yyrc;
76 USHORT sel = RestoreOS2FS();
77
78 yyrc = DosSetFilePtrLProc(hFile, ib, method, ibActual);
79 SetFS(sel);
80
81 return yyrc;
82}
83//******************************************************************************
84//******************************************************************************
85APIRET OdinDosSetFileLocksL(HFILE hFile, PFILELOCKL pflUnlock, PFILELOCKL pflLock,
86 ULONG timeout, ULONG flags)
87{
88 APIRET yyrc;
89 USHORT sel = RestoreOS2FS();
90
91 yyrc = DosSetFileLocksLProc(hFile, pflUnlock, pflLock, timeout, flags);
92 SetFS(sel);
93
94 return yyrc;
95}
96//******************************************************************************
97// translate OS/2 error codes to Windows codes
98// NOTE: add all codes you need, list is not complete!
99//******************************************************************************
100DWORD error2WinError(APIRET rc,DWORD defaultCode = ERROR_NOT_ENOUGH_MEMORY_W)
101{
102 switch (rc)
103 {
104 case NO_ERROR: //0
105 return ERROR_SUCCESS_W;
106
107 case ERROR_INVALID_FUNCTION: //1
108 return ERROR_INVALID_FUNCTION_W;
109
110 case ERROR_FILE_NOT_FOUND: //2
111 return ERROR_FILE_NOT_FOUND_W;
112
113 case ERROR_PATH_NOT_FOUND: //3
114 return ERROR_PATH_NOT_FOUND_W;
115
116 case ERROR_TOO_MANY_OPEN_FILES: //4
117 return ERROR_TOO_MANY_OPEN_FILES_W;
118
119 case ERROR_ACCESS_DENIED: //5
120 return ERROR_ACCESS_DENIED_W;
121
122 case ERROR_INVALID_HANDLE: //6
123 return ERROR_INVALID_HANDLE_W;
124
125 case ERROR_NOT_ENOUGH_MEMORY: //8
126 return ERROR_NOT_ENOUGH_MEMORY_W;
127
128 case ERROR_BAD_FORMAT: //11
129 return ERROR_BAD_FORMAT_W;
130
131 case ERROR_INVALID_ACCESS: //12
132 return ERROR_INVALID_ACCESS_W;
133
134 case ERROR_NO_MORE_FILES: //18
135 return ERROR_NO_MORE_FILES_W;
136
137 case ERROR_WRITE_PROTECT: //19
138 return ERROR_WRITE_PROTECT_W;
139
140 case ERROR_NOT_DOS_DISK: //26
141 return ERROR_NOT_DOS_DISK_W;
142
143 case ERROR_WRITE_FAULT: //29
144 return ERROR_WRITE_FAULT_W;
145
146 case ERROR_SHARING_VIOLATION: //32
147 return ERROR_SHARING_VIOLATION_W;
148
149 case ERROR_LOCK_VIOLATION: //32
150 return ERROR_LOCK_VIOLATION_W;
151
152 case ERROR_SHARING_BUFFER_EXCEEDED: //36
153 return ERROR_SHARING_BUFFER_EXCEEDED_W;
154
155 case ERROR_CANNOT_MAKE: //82
156 return ERROR_CANNOT_MAKE_W;
157
158 case ERROR_OUT_OF_STRUCTURES: //84
159 return ERROR_OUT_OF_STRUCTURES_W;
160
161 case ERROR_INVALID_PARAMETER: //87
162 return ERROR_INVALID_PARAMETER_W;
163
164 case ERROR_INTERRUPT: //95
165 return ERROR_INVALID_AT_INTERRUPT_TIME_W; //CB: right???
166
167 case ERROR_DEVICE_IN_USE: //99
168 return ERROR_DEVICE_IN_USE_W;
169
170 case ERROR_DRIVE_LOCKED: //108
171 return ERROR_DRIVE_LOCKED_W;
172
173 case ERROR_BROKEN_PIPE: //109
174 return ERROR_BROKEN_PIPE_W;
175
176 case ERROR_OPEN_FAILED: //110
177 return ERROR_OPEN_FAILED_W;
178
179 case ERROR_BUFFER_OVERFLOW: //111
180 return ERROR_BUFFER_OVERFLOW_W;
181
182 case ERROR_DISK_FULL: //112
183 return ERROR_DISK_FULL_W;
184
185 case ERROR_NO_MORE_SEARCH_HANDLES: //113
186 return ERROR_NO_MORE_SEARCH_HANDLES_W;
187
188 case ERROR_SEM_TIMEOUT: //121
189 return ERROR_SEM_TIMEOUT_W;
190
191 case ERROR_DIRECT_ACCESS_HANDLE: //130
192 return ERROR_DIRECT_ACCESS_HANDLE_W;
193
194 case ERROR_NEGATIVE_SEEK: //131
195 return ERROR_NEGATIVE_SEEK;
196
197 case ERROR_SEEK_ON_DEVICE: //132
198 return ERROR_SEEK_ON_DEVICE_W;
199
200 case ERROR_DISCARDED: //157
201 return ERROR_DISCARDED_W;
202
203 case ERROR_FILENAME_EXCED_RANGE: //206
204 return ERROR_FILENAME_EXCED_RANGE_W;
205
206 case ERROR_META_EXPANSION_TOO_LONG: //208
207 return ERROR_META_EXPANSION_TOO_LONG_W;
208
209 case ERROR_BAD_PIPE: //230
210 return ERROR_BAD_PIPE_W;
211
212 case ERROR_PIPE_BUSY: //231
213 return ERROR_PIPE_BUSY_W;
214
215 case ERROR_NO_DATA: //232
216 return ERROR_NO_DATA_W;
217
218 case ERROR_PIPE_NOT_CONNECTED: //233
219 return ERROR_PIPE_NOT_CONNECTED_W;
220
221 case ERROR_MORE_DATA: //234
222 return ERROR_MORE_DATA_W;
223
224 case ERROR_INVALID_EA_NAME: //254
225 return ERROR_INVALID_EA_NAME_W;
226
227 case ERROR_EA_LIST_INCONSISTENT: //255
228 return ERROR_EA_LIST_INCONSISTENT_W;
229
230 case ERROR_EAS_DIDNT_FIT: //275
231 return ERROR_EAS_DIDNT_FIT;
232
233 default:
234 dprintf(("WARNING: error2WinError: error %d not included!!!!", rc));
235 return defaultCode;
236 }
237}
238//******************************************************************************
239//TODO: Assumes entire memory range has the same protection flags!
240//TODO: Check if this works for code aliases...
241//******************************************************************************
242DWORD OSLibDosAliasMem(LPVOID pb, ULONG cb, LPVOID *ppbAlias, ULONG fl)
243{
244 DWORD rc;
245 DWORD attr;
246 DWORD size = cb;
247
248 cb = (cb-1) & ~0xfff;
249 cb+= PAGE_SIZE;
250
251 rc = DosQueryMem(pb, &size, &attr);
252 if(rc) {
253 dprintf(("OSLibDosAliasMem: DosQueryMem %x %x return %d", pb, size, rc));
254 return rc;
255 }
256 size = (size-1) & ~0xfff;
257 size+= PAGE_SIZE;
258 if(size != cb) {
259 dprintf(("ERROR: OSLibDosAliasMem: size != cb (%x!=%x)!!!!!!!!", size, cb));
260 //ignore this and continue return 5;
261 attr = fl; //just use original protection flags (NOT CORRECT)
262 }
263 attr &= (PAG_READ|PAG_WRITE|PAG_EXECUTE|PAG_GUARD|PAG_DEFAULT);
264 if(attr != fl) {
265 rc = DosSetMem(pb, size, fl);
266 if(rc) {
267 dprintf(("OSLibDosAliasMem: DosSetMem %x %x return %d", pb, size, rc));
268 attr = fl;
269 //just continue for now
270 //return rc;
271 }
272 }
273 rc = DosAliasMem(pb, cb, ppbAlias, 2);
274 if(rc) {
275 dprintf(("OSLibDosAliasMem: DosAliasMem %x %x returned %d", pb, cb, rc));
276 return rc;
277 }
278 if(attr != fl) {
279 rc = DosSetMem(pb, size, attr);
280 if(rc) {
281 dprintf(("OSLibDosAliasMem: DosSetMem (2) %x %x return %d", pb, size, rc));
282 return rc;
283 }
284 }
285 return 0;
286}
287//******************************************************************************
288//NT returns addresses aligned at 64k, so we do too.
289//******************************************************************************
290DWORD OSLibDosAllocMem(LPVOID *lplpMemAddr, DWORD size, DWORD flags)
291{
292 LPVOID memaddr;
293 DWORD offset;
294 APIRET rc;
295
296 rc = DosAllocMem(&memaddr, size, PAG_READ | flAllocMem);
297 if(rc) {
298 return rc;
299 }
300 DosEnterCritSec();
301 DosFreeMem(memaddr);
302 offset = (DWORD)memaddr & 0xFFFF;
303 if(offset) {
304 DosAllocMem(&memaddr, 64*1024 - offset, PAG_READ | flAllocMem);
305 }
306 rc = DosAllocMem(lplpMemAddr, size, flags | flAllocMem);
307 DosExitCritSec();
308 if((DWORD)*lplpMemAddr & 0xFFFF) {//still not at 64k boundary?
309 DosFreeMem(*lplpMemAddr);
310 rc = OSLibDosAllocMem(lplpMemAddr, size, flags);
311 }
312 if(offset) {
313 DosFreeMem(memaddr);
314 }
315
316 return rc;
317}
318//******************************************************************************
319//******************************************************************************
320DWORD OSLibDosFreeMem(LPVOID lpMemAddr)
321{
322 return DosFreeMem(lpMemAddr);
323}
324//******************************************************************************
325//NOTE: If name == NULL, allocated gettable unnamed shared memory
326//******************************************************************************
327DWORD OSLibDosAllocSharedMem(LPVOID *lplpMemAddr, DWORD size, DWORD flags, LPSTR name)
328{
329 APIRET rc;
330 char *sharedmemname = NULL;
331
332 if(name) {
333 sharedmemname = (char *)malloc(strlen(name) + 16);
334 strcpy(sharedmemname, "\\SHAREMEM\\");
335 strcat(sharedmemname, name);
336 }
337 else flags |= OBJ_GETTABLE;
338
339 rc = DosAllocSharedMem(lplpMemAddr, sharedmemname, size, flags);
340 if(name) {
341 free(sharedmemname);
342 }
343 return rc;
344}
345//******************************************************************************
346//NOTE: If name == NULL, assume gettable unnamed shared memory
347//******************************************************************************
348DWORD OSLibDosGetNamedSharedMem(LPVOID *lplpMemAddr, LPSTR name)
349{
350 APIRET rc;
351 char *sharedmemname = NULL;
352
353 if(name) {
354 sharedmemname = (char *)malloc(strlen(name) + 16);
355 strcpy(sharedmemname, "\\SHAREMEM\\");
356 strcat(sharedmemname, name);
357 rc = DosGetNamedSharedMem(lplpMemAddr, sharedmemname, PAG_READ|PAG_WRITE);
358 if(name) {
359 free(sharedmemname);
360 }
361 }
362 else rc = DosGetSharedMem((LPVOID)*(DWORD *)lplpMemAddr, PAG_READ|PAG_WRITE);
363
364 return rc;
365}
366//******************************************************************************
367//******************************************************************************
368DWORD OSLibDosQueryMem(LPVOID lpMemAddr, DWORD *lpRangeSize, DWORD *lpAttr)
369{
370 return DosQueryMem(lpMemAddr, lpRangeSize, lpAttr);
371}
372//******************************************************************************
373//******************************************************************************
374DWORD OSLibDosSetMem(LPVOID lpMemAddr, DWORD size, DWORD flags)
375{
376 APIRET rc;
377
378 rc = DosSetMem(lpMemAddr, size, flags);
379 switch(rc) {
380 case ERROR_INVALID_ADDRESS:
381 return OSLIB_ERROR_INVALID_ADDRESS;
382 case ERROR_ACCESS_DENIED:
383 return OSLIB_ERROR_ACCESS_DENIED;
384 default:
385 return rc;
386 }
387}
388//******************************************************************************
389//******************************************************************************
390DWORD OSLibDosOpen(char *lpszFileName, DWORD flags)
391{
392 APIRET rc;
393 HFILE hFile;
394 ULONG ulAction;
395 DWORD os2flags = OPEN_FLAGS_NOINHERIT;
396
397
398 if(flags & OSLIB_ACCESS_READONLY)
399 os2flags |= OPEN_ACCESS_READONLY;
400 else
401 if(flags & OSLIB_ACCESS_READWRITE)
402 os2flags |= OPEN_ACCESS_READWRITE;
403
404 if(flags & OSLIB_ACCESS_SHAREDENYNONE)
405 os2flags |= OPEN_SHARE_DENYNONE;
406 else
407 if(flags & OSLIB_ACCESS_SHAREDENYREAD)
408 os2flags |= OPEN_SHARE_DENYREAD;
409 else
410 if(flags & OSLIB_ACCESS_SHAREDENYWRITE)
411 os2flags |= OPEN_SHARE_DENYWRITE;
412
413tryopen:
414 rc = DosOpen(lpszFileName, /* File path name */
415 &hFile, /* File handle */
416 &ulAction, /* Action taken */
417 0L, /* File primary allocation */
418 0L, /* File attribute */
419 OPEN_ACTION_FAIL_IF_NEW |
420 OPEN_ACTION_OPEN_IF_EXISTS, /* Open function type */
421 os2flags,
422 0L); /* No extended attribute */
423
424 if(rc) {
425 if(rc == ERROR_TOO_MANY_OPEN_FILES) {
426 ULONG CurMaxFH;
427 LONG ReqCount = 32;
428
429 rc = DosSetRelMaxFH(&ReqCount, &CurMaxFH);
430 if(rc) {
431 dprintf(("DosSetRelMaxFH returned %d", rc));
432 return 0;
433 }
434 dprintf(("DosOpen failed -> increased nr open files to %d", CurMaxFH));
435 goto tryopen;
436 }
437 return 0;
438 }
439 else return hFile;
440}
441//******************************************************************************
442//******************************************************************************
443BOOL OSLibDosClose(DWORD hFile)
444{
445 APIRET rc;
446
447 rc = DosClose(hFile);
448 SetLastError(error2WinError(rc));
449 return (rc == NO_ERROR);
450}
451//******************************************************************************
452//******************************************************************************
453DWORD OSLibDosChangeMaxFileHandles()
454{
455 ULONG CurMaxFH;
456 LONG ReqCount = 0;
457 APIRET rc;
458
459 rc = DosSetRelMaxFH(&ReqCount, &CurMaxFH);
460 if(rc) {
461 dprintf(("DosSetRelMaxFH returned %d", rc));
462 return rc;
463 }
464 if(ReqCount + ODIN_INCREMENT_MAX_FILEHANDLES > CurMaxFH) {
465 ReqCount = CurMaxFH + ODIN_INCREMENT_MAX_FILEHANDLES;
466 rc = DosSetRelMaxFH(&ReqCount, &CurMaxFH);
467 if(rc) {
468 dprintf(("DosSetRelMaxFH returned %d", rc));
469 return rc;
470 }
471 }
472 return 0;
473}
474//******************************************************************************
475//******************************************************************************
476DWORD OSLibDosSetInitialMaxFileHandles(DWORD maxhandles)
477{
478 ULONG CurMaxFH;
479 LONG ReqCount = 0;
480 APIRET rc;
481
482 rc = DosSetRelMaxFH(&ReqCount, &CurMaxFH);
483 if(rc) {
484 dprintf(("DosSetRelMaxFH returned %d", rc));
485 return rc;
486 }
487 if(CurMaxFH < maxhandles) {
488 rc = DosSetMaxFH(maxhandles);
489 if(rc) {
490 dprintf(("DosSetMaxFH returned %d", rc));
491 return rc;
492 }
493 }
494 return 0;
495}
496//******************************************************************************
497//******************************************************************************
498BOOL OSLibDosRead(DWORD hFile, LPVOID lpBuffer, DWORD size, DWORD *nrBytesRead)
499{
500 APIRET rc;
501
502 rc = DosRead(hFile, lpBuffer, size, nrBytesRead);
503 SetLastError(error2WinError(rc));
504 return (rc == NO_ERROR);
505}
506//******************************************************************************
507//******************************************************************************
508BOOL OSLibDosWrite(DWORD hFile, LPVOID lpBuffer, DWORD size, DWORD *nrBytesWritten)
509{
510 APIRET rc;
511
512 rc = DosWrite(hFile, lpBuffer, size, nrBytesWritten);
513 SetLastError(error2WinError(rc));
514 return (rc == NO_ERROR);
515}
516//******************************************************************************
517//******************************************************************************
518DWORD OSLibDosSetFilePtr(DWORD hFile, DWORD offset, DWORD method)
519{
520 DWORD os2method;
521 DWORD newoffset;
522 APIRET rc;
523
524 switch(method)
525 {
526 case OSLIB_SETPTR_FILE_CURRENT:
527 os2method = FILE_CURRENT;
528 break;
529 case OSLIB_SETPTR_FILE_BEGIN:
530 os2method = FILE_BEGIN ;
531 break;
532 case OSLIB_SETPTR_FILE_END:
533 os2method = FILE_END;
534 break;
535 default:
536 return OSLIB_ERROR_INVALID_PARAMETER;
537 }
538
539 rc = DosSetFilePtr(hFile, offset, os2method, &newoffset);
540 if(rc)
541 {
542 SetLastError(error2WinError(rc));
543 return -1;
544 }
545 else return newoffset;
546}
547//******************************************************************************
548//******************************************************************************
549BOOL OSLibDosDelete(char *lpszFileName)
550{
551 APIRET rc;
552
553 rc = DosDelete(lpszFileName);
554 if(rc) {
555 SetLastError(error2WinError(rc));
556 return FALSE;
557 }
558 return TRUE;
559}
560//******************************************************************************
561//******************************************************************************
562BOOL pmDateTimeToFileTime(FDATE *pDate,FTIME *pTime,FILETIME *pFT)
563{
564 USHORT dosTime, dosDate;
565
566 dosTime = *(USHORT*)pTime;
567 dosDate = *(USHORT*)pDate;
568
569 return DosDateTimeToFileTime(dosDate,dosTime,pFT);
570}
571//******************************************************************************
572//******************************************************************************
573#define NOT_NORMAL (FILE_ATTRIBUTE_READONLY_W | \
574 FILE_ATTRIBUTE_HIDDEN_W | \
575 FILE_ATTRIBUTE_SYSTEM_W | \
576 FILE_ATTRIBUTE_ARCHIVE_W)
577
578inline DWORD pm2WinFileAttributes(DWORD attrFile)
579{
580 DWORD res = 0;
581
582 if (!(attrFile & NOT_NORMAL))
583 res |= FILE_ATTRIBUTE_NORMAL_W;
584 if (attrFile & FILE_READONLY)
585 res |= FILE_ATTRIBUTE_READONLY_W;
586 if (attrFile & FILE_HIDDEN)
587 res |= FILE_ATTRIBUTE_HIDDEN_W;
588 if (attrFile & FILE_SYSTEM)
589 res |= FILE_ATTRIBUTE_SYSTEM_W;
590 if (attrFile & FILE_DIRECTORY)
591 res |= FILE_ATTRIBUTE_DIRECTORY_W;
592 if (attrFile & FILE_ARCHIVED)
593 res |= FILE_ATTRIBUTE_ARCHIVE_W;
594
595 //CB: not used: FILE_ATTRIBUTE_COMPRESSED_W
596
597 return res;
598}
599//******************************************************************************
600//******************************************************************************
601BOOL OSLibDosGetFileAttributesEx(PSZ pszName,
602 ULONG ulDummy,
603 PVOID pBuffer)
604{
605 APIRET rc; /* API return code */
606 FILESTATUS3 fs3; /* file information structure */
607 LPWIN32_FILE_ATTRIBUTE_DATA lpFad = (LPWIN32_FILE_ATTRIBUTE_DATA) pBuffer;
608
609 // Note: we only handle standard "GetFileExInfoStandard" requests
610 rc = DosQueryPathInfo(pszName, /* query the file information */
611 FIL_STANDARD,
612 &fs3,
613 sizeof(fs3));
614 if (rc != NO_ERROR) /* check for errors */
615 return FALSE; /* raise error condition */
616
617 // convert structure
618 lpFad->dwFileAttributes = pm2WinFileAttributes(fs3.attrFile);
619 pmDateTimeToFileTime(&fs3.fdateCreation, &fs3.ftimeCreation, &lpFad->ftCreationTime);
620 pmDateTimeToFileTime(&fs3.fdateLastAccess, &fs3.ftimeLastAccess, &lpFad->ftLastAccessTime);
621 pmDateTimeToFileTime(&fs3.fdateLastWrite, &fs3.ftimeLastWrite, &lpFad->ftLastWriteTime);
622
623 /* @@@PH we might add Aurora support ...
624 lpFad->nFileSizeHigh = info.nFileSizeHigh;
625 */
626 lpFad->nFileSizeHigh = 0;
627 lpFad->nFileSizeLow = fs3.cbFile;
628
629 return TRUE;
630}
631//******************************************************************************
632DWORD WIN32API GetEnvironmentVariableA(LPCSTR, LPSTR, DWORD );
633//******************************************************************************
634DWORD OSLibDosSearchPath(DWORD cmd, char *path, char *name, char *full_name,
635 DWORD length_fullname)
636{
637 switch(cmd) {
638 case OSLIB_SEARCHDIR:
639 if(DosSearchPath(SEARCH_IGNORENETERRS, path,
640 name, full_name, length_fullname) != 0) {
641 return 0;
642 }
643 return strlen(full_name);
644
645
646 case OSLIB_SEARCHCURDIR:
647 if(DosSearchPath(SEARCH_IGNORENETERRS | SEARCH_CUR_DIRECTORY, path,
648 name, full_name, length_fullname) != 0) {
649 return 0;
650 }
651 return strlen(full_name);
652
653 case OSLIB_SEARCHFILE:
654 {
655 FILESTATUS3 fileinfo;
656
657 if(DosQueryPathInfo(name, FIL_STANDARD, &fileinfo, sizeof(fileinfo)) != 0) {
658 return 0;
659 }
660 strncpy(full_name, name, length_fullname);
661 full_name[length_fullname-1] = 0;
662 return strlen(full_name);
663 }
664
665 case OSLIB_SEARCHENV:
666 {
667 LPSTR envstring;
668 int envsize;
669 CHAR szResult[CCHMAXPATH];
670
671 envsize = GetEnvironmentVariableA(path, NULL, 0);
672 envstring = (LPSTR)malloc(envsize+1);
673 GetEnvironmentVariableA(path, envstring, envsize);
674 if(DosSearchPath(SEARCH_IGNORENETERRS, envstring,
675 name, szResult, sizeof(szResult)) != 0) {
676 free(envstring);
677 return 0;
678 }
679 free(envstring);
680 strcpy(full_name, szResult);
681 return strlen(full_name);
682 }
683 }
684 return 0;
685}
686//******************************************************************************
687//******************************************************************************
688APIRET OSLibDosQueryPathInfo(PSZ pszPathName,
689 ULONG ulInfoLevel,
690 PVOID pInfoBuf,
691 ULONG cbInfoBuf)
692{
693 APIRET rc = DosQueryPathInfo( pszPathName, ulInfoLevel,
694 pInfoBuf, cbInfoBuf );
695
696 if(rc == ERROR_TOO_MANY_OPEN_FILES)
697 {
698 LONG reqCount = 2;
699 ULONG maxFiles;
700
701 if(DosSetRelMaxFH(&reqCount, &maxFiles) == NO_ERROR)
702 rc = DosQueryPathInfo(pszPathName, ulInfoLevel,
703 pInfoBuf, cbInfoBuf );
704 }
705 return rc;
706}
707//******************************************************************************
708//******************************************************************************
709DWORD OSLibDosCreateFile(CHAR *lpszFile,
710 DWORD fuAccess,
711 DWORD fuShare,
712 LPSECURITY_ATTRIBUTES lpSecurityAttributes,
713 DWORD fuCreate,
714 DWORD fuAttrFlags,
715 HANDLE hTemplateFile)
716{
717 HFILE hFile;
718 ULONG actionTaken = 0;
719 ULONG fileSize = 0;
720 ULONG fileAttr = FILE_NORMAL;
721 ULONG openFlag = 0;
722 ULONG openMode = 0;
723 APIRET rc = ERROR_NOT_ENOUGH_MEMORY;;
724
725 //TODO: lpSecurityAttributes (inheritance)
726
727 if(fuAttrFlags & FILE_ATTRIBUTE_ARCHIVE_W)
728 fileAttr |= FILE_ARCHIVED;
729 if(fuAttrFlags & FILE_ATTRIBUTE_HIDDEN_W)
730 fileAttr |= FILE_HIDDEN;
731 if(fuAttrFlags & FILE_ATTRIBUTE_SYSTEM_W)
732 fileAttr |= FILE_SYSTEM;
733 if(fuAttrFlags & FILE_ATTRIBUTE_READONLY_W)
734 fileAttr |= FILE_READONLY;
735 // TODO: FILE_ATTRIBUTE_TEMPORARY_W
736
737 switch(fuCreate)
738 {
739 case CREATE_NEW_W:
740 openFlag |= OPEN_ACTION_CREATE_IF_NEW | OPEN_ACTION_FAIL_IF_EXISTS;
741 break;
742 case CREATE_ALWAYS_W:
743 openFlag |= OPEN_ACTION_CREATE_IF_NEW | OPEN_ACTION_REPLACE_IF_EXISTS;
744 break;
745 case OPEN_EXISTING_W:
746 openFlag |= OPEN_ACTION_FAIL_IF_NEW | OPEN_ACTION_OPEN_IF_EXISTS;
747 break;
748 case OPEN_ALWAYS_W:
749 openFlag |= OPEN_ACTION_CREATE_IF_NEW | OPEN_ACTION_OPEN_IF_EXISTS;
750 break;
751 case TRUNCATE_EXISTING_W:
752 openFlag |= OPEN_ACTION_FAIL_IF_NEW | OPEN_ACTION_REPLACE_IF_EXISTS;
753 break;
754 }
755
756 if(fuAttrFlags & FILE_FLAG_WRITE_THROUGH_W) openMode |= OPEN_FLAGS_WRITE_THROUGH;
757 if(fuAttrFlags & FILE_FLAG_NO_BUFFERING_W) openMode |= OPEN_FLAGS_NO_CACHE;
758 if(fuAttrFlags & FILE_FLAG_RANDOM_ACCESS_W) openMode |= OPEN_FLAGS_RANDOM;
759 if(fuAttrFlags & FILE_FLAG_SEQUENTIAL_SCAN_W) openMode |= OPEN_FLAGS_SEQUENTIAL;
760 // TODO: FILE_FLAG_BACKUP_SEMANTICS_W
761 // FILE_FLAG_POSIX_SEMANTICS_W are not supported
762
763 if(fuShare == 0)
764 openMode |= OPEN_SHARE_DENYREADWRITE;
765 else
766 if(fuShare == (FILE_SHARE_READ_W | FILE_SHARE_WRITE_W))
767 openMode |= OPEN_SHARE_DENYNONE;
768 else
769 if(fuShare & FILE_SHARE_READ_W)
770 openMode |= OPEN_SHARE_DENYWRITE;
771 else
772 if(fuShare & FILE_SHARE_WRITE_W)
773 openMode |= OPEN_SHARE_DENYREAD;
774
775 if(fuAccess == (GENERIC_READ_W | GENERIC_WRITE_W))
776 openMode |= OPEN_ACCESS_READWRITE;
777 else
778 if(fuAccess & GENERIC_READ_W)
779 openMode |= OPEN_ACCESS_READONLY;
780 else
781 if(fuAccess & GENERIC_WRITE_W)
782 openMode |= OPEN_ACCESS_WRITEONLY;
783
784#if 0
785 //SvL: Not true; verified in NT! (also messed up access of files on
786 // readonly volumes)
787 // CreateFile with OPEN_ALWAYS & GENERIC_READ on non-existing file
788 // -> creates 0 size file, WriteFile is not allowed
789 // Same in OS/2.
790 /* if creating a file, access cannot be readonly! */
791 if (openFlag & OPEN_ACTION_CREATE_IF_NEW &&
792 (!(openMode & OPEN_ACCESS_READWRITE) &&
793 !(openMode & OPEN_ACCESS_WRITEONLY))) {
794 openMode |= OPEN_ACCESS_READWRITE;
795 }
796#endif
797
798 int retry = 0;
799 while(retry < 2)
800 {
801 rc = DosOpen((PSZ)lpszFile,
802 &hFile,
803 &actionTaken,
804 fileSize,
805 fileAttr,
806 openFlag,
807 openMode,
808 NULL);
809 if(rc == ERROR_TOO_MANY_OPEN_FILES)
810 {
811 ULONG CurMaxFH;
812 LONG ReqCount = 32;
813
814 rc = DosSetRelMaxFH(&ReqCount, &CurMaxFH);
815 if(rc) {
816 dprintf(("DosSetRelMaxFH returned %d", rc));
817 SetLastError(ERROR_TOO_MANY_OPEN_FILES_W);
818 return INVALID_HANDLE_VALUE_W;
819 }
820 dprintf(("DosOpen failed -> increased nr open files to %d", CurMaxFH));
821 }
822 else break;
823 retry++;
824 }
825
826 if(rc)
827 {
828 SetLastError(error2WinError(rc));
829 return INVALID_HANDLE_VALUE_W;
830 }
831 SetLastError(ERROR_SUCCESS_W);
832 return hFile;
833}
834//******************************************************************************
835//******************************************************************************
836DWORD OSLibDosOpenFile(CHAR *lpszFile, UINT fuMode)
837{
838 ULONG actionTaken = 0;
839 ULONG fileSize = 0;
840 ULONG fileAttr = FILE_NORMAL;
841 ULONG openFlag = 0;
842 ULONG openMode = 0;
843 APIRET rc = ERROR_NOT_ENOUGH_MEMORY;
844 HFILE hFile;
845
846 if(!(fuMode & (OF_CREATE_W | OF_READWRITE_W | OF_WRITE_W)))
847 {
848 openMode |= OPEN_ACCESS_READONLY;
849 openFlag |= OPEN_ACTION_OPEN_IF_EXISTS;
850 }
851 else
852 {
853 if(fuMode & OF_CREATE_W) {
854 openFlag |= OPEN_ACTION_CREATE_IF_NEW |
855 OPEN_ACTION_REPLACE_IF_EXISTS;
856 }
857 else openFlag |= OPEN_ACTION_OPEN_IF_EXISTS; //180575
858
859 if(fuMode & OF_READWRITE_W)
860 openMode |= OPEN_ACCESS_READWRITE;
861 else
862 if(fuMode & OF_WRITE_W)
863 openMode |= OPEN_ACCESS_WRITEONLY;
864 else
865 if(fuMode & OF_CREATE_W)
866 openMode |= OPEN_ACCESS_READWRITE;
867 }
868
869 if((fuMode & OF_SHARE_DENY_WRITE_W) ||
870 !(fuMode & (OF_SHARE_DENY_READ_W | OF_SHARE_DENY_NONE_W | OF_SHARE_EXCLUSIVE_W)))
871 openMode |= OPEN_SHARE_DENYWRITE;
872 else
873 if (fuMode & OF_SHARE_DENY_NONE_W)
874 openMode |= OPEN_SHARE_DENYNONE;
875 else
876 if (fuMode & OF_SHARE_DENY_READ_W)
877 openMode |= OPEN_SHARE_DENYREAD;
878 else
879 if (fuMode & OF_SHARE_EXCLUSIVE_W)
880 openMode |= OPEN_SHARE_DENYREADWRITE;
881
882 rc = DosOpen((PSZ)lpszFile,
883 &hFile,
884 &actionTaken,
885 fileSize,
886 fileAttr,
887 openFlag,
888 openMode,
889 NULL);
890
891 if(rc != NO_ERROR)
892 {
893 if(fuMode & OF_EXIST_W)
894 {
895 if(rc == ERROR_OPEN_FAILED || rc == ERROR_FILE_NOT_FOUND)
896 {
897 SetLastError(ERROR_FILE_NOT_FOUND_W);
898 return HFILE_ERROR_W;
899 }
900 }
901 if((rc == ERROR_OPEN_FAILED) && (openFlag & OPEN_ACTION_OPEN_IF_EXISTS))
902 {
903 SetLastError(ERROR_FILE_NOT_FOUND_W);
904 }
905 else SetLastError(error2WinError(rc));
906
907 return HFILE_ERROR_W;
908 }
909 SetLastError(ERROR_SUCCESS_W);
910 return hFile;
911}
912//******************************************************************************
913//******************************************************************************
914BOOL OSLibDosLockFile(DWORD hFile, DWORD dwFlags,
915 DWORD OffsetLow, DWORD OffsetHigh,
916 DWORD nNumberOfBytesToLockLow, DWORD nNumberOfBytesToLockHigh,
917 LPOVERLAPPED lpOverlapped)
918{
919 APIRET rc;
920
921 // Set 5 secs timeout for locking file and no other can access this
922 // file region
923
924 if(lpOverlapped) {//TODO:
925 dprintf(("OSLibDosLockFile: overlapped lock not yet implemented!!"));
926 }
927 //TODO: Locking region crossing end of file is permitted. Works in OS/2??
928 if(f64BitIO)
929 {
930 FILELOCKL lockRangeL;
931
932 lockRangeL.lOffset.ulLo = OffsetLow;
933 lockRangeL.lOffset.ulHi = OffsetHigh;
934 lockRangeL.lRange.ulLo = nNumberOfBytesToLockLow;
935 lockRangeL.lRange.ulHi = nNumberOfBytesToLockHigh;
936
937 rc = OdinDosSetFileLocksL(hFile, NULL, &lockRangeL,
938 (dwFlags & LOCKFILE_FAIL_IMMEDIATELY_W) ? 0 : 5000, 0);
939 //SvL: 64 bits values are only supported by JFS
940 // Try the 32 bits DosSetFileLocks if it fails
941 // (TODO: should check the partition type instead)
942 if(rc == ERROR_INVALID_PARAMETER && (OffsetHigh || nNumberOfBytesToLockHigh)) {
943 goto oldlock;
944 }
945 }
946 else
947 {
948oldlock:
949 FILELOCK lockRange = { OffsetLow, nNumberOfBytesToLockLow };
950
951 rc = DosSetFileLocks(hFile, NULL, &lockRange,
952 (dwFlags & LOCKFILE_FAIL_IMMEDIATELY_W) ? 0 : 5000, 0);
953 }
954 if(rc) {
955 SetLastError(error2WinError(rc));
956 return FALSE;
957 }
958 SetLastError(ERROR_SUCCESS_W);
959 return TRUE;
960}
961//******************************************************************************
962//******************************************************************************
963BOOL OSLibDosUnlockFile(DWORD hFile, DWORD OffsetLow, DWORD OffsetHigh,
964 DWORD nNumberOfBytesToLockLow, DWORD nNumberOfBytesToLockHigh,
965 LPOVERLAPPED lpOverlapped)
966{
967 APIRET rc;
968
969 // Set 5 secs timeout for unlocking file and no other can access this
970 // file region
971
972 if(lpOverlapped) {//TODO:
973 dprintf(("OSLibDosUnlockFile: overlapped unlock not yet implemented!!"));
974 }
975 if(f64BitIO)
976 {
977 FILELOCKL unlockRangeL;
978
979 unlockRangeL.lOffset.ulLo = OffsetLow;
980 unlockRangeL.lOffset.ulHi = OffsetHigh;
981 unlockRangeL.lRange.ulLo = nNumberOfBytesToLockLow;
982 unlockRangeL.lRange.ulHi = nNumberOfBytesToLockHigh;
983
984 rc = OdinDosSetFileLocksL(hFile, &unlockRangeL, NULL, 5000, 0);
985 //SvL: 64 bits values are only supported by JFS
986 // Try the 32 bits DosSetFileLocks if it fails
987 // (TODO: should check the partition type instead)
988 if(rc == ERROR_INVALID_PARAMETER && (OffsetHigh || nNumberOfBytesToLockHigh)) {
989 goto oldlock;
990 }
991 }
992 else
993 {
994oldlock:
995 FILELOCK unlockRange = { OffsetLow, nNumberOfBytesToLockLow };
996
997 rc = DosSetFileLocks(hFile, &unlockRange, NULL, 5000, 0);
998 }
999 if(rc) {
1000 SetLastError(error2WinError(rc));
1001 return FALSE;
1002 }
1003 SetLastError(ERROR_SUCCESS_W);
1004 return TRUE;
1005}
1006//******************************************************************************
1007//******************************************************************************
1008BOOL OSLibDosFlushFileBuffers(DWORD hFile)
1009{
1010 APIRET rc;
1011
1012 rc = DosResetBuffer(hFile);
1013 SetLastError(error2WinError(rc));
1014 return (rc == NO_ERROR);
1015}
1016//******************************************************************************
1017//******************************************************************************
1018DWORD OSLibDosGetFileSize(DWORD hFile, LPDWORD lpdwFileSizeHigh)
1019{
1020 APIRET rc;
1021 ULONG sizeLow;
1022
1023 if(f64BitIO)
1024 {
1025 FILESTATUS3L fsts3ConfigInfoL = {{0}};
1026 ULONG ulBufSize = sizeof(FILESTATUS3L);
1027
1028 rc = DosQueryFileInfo(hFile, FIL_STANDARDL, &fsts3ConfigInfoL, ulBufSize);
1029 if(lpdwFileSizeHigh) {
1030 *lpdwFileSizeHigh = fsts3ConfigInfoL.cbFile.ulHi;
1031 }
1032 sizeLow = fsts3ConfigInfoL.cbFile.ulLo;
1033 }
1034 else
1035 {
1036 FILESTATUS3 fsts3ConfigInfo = {{0}};
1037 ULONG ulBufSize = sizeof(FILESTATUS3);
1038
1039 if(lpdwFileSizeHigh) {
1040 *lpdwFileSizeHigh = 0;
1041 }
1042 rc = DosQueryFileInfo(hFile, FIL_STANDARD, &fsts3ConfigInfo, ulBufSize);
1043 sizeLow = fsts3ConfigInfo.cbFile;
1044 }
1045 if(rc) {
1046 SetLastError(error2WinError(rc));
1047 return -1;
1048 }
1049 SetLastError(ERROR_SUCCESS_W);
1050 return sizeLow;
1051}
1052//******************************************************************************
1053//******************************************************************************
1054DWORD OSLibDosSetFilePointer(DWORD hFile, DWORD OffsetLow, DWORD *OffsetHigh, DWORD method)
1055{
1056 LONGLONG offsetL;
1057 LONGLONG newoffsetL;
1058 APIRET rc;
1059 DWORD newoffset;
1060
1061 switch(method)
1062 {
1063 case FILE_BEGIN_W:
1064 method = FILE_BEGIN;
1065 break;
1066
1067 case FILE_CURRENT_W:
1068 method = FILE_CURRENT;
1069 break;
1070
1071 case FILE_END_W:
1072 method = FILE_END;
1073 break;
1074 }
1075
1076 // PH Note: for a negative 32-bit seek, the OS/2 64-bit version
1077 // needs to be skipped.
1078 if( (f64BitIO) && (OffsetHigh) )
1079 {
1080 offsetL.ulLo = OffsetLow;
1081 offsetL.ulHi = (OffsetHigh) ? *OffsetHigh : 0;
1082 rc = OdinDosSetFilePtrL(hFile, offsetL, method, &newoffsetL);
1083 if(OffsetHigh) {
1084 *OffsetHigh = newoffsetL.ulHi;
1085 }
1086 newoffset = newoffsetL.ulLo;
1087 }
1088 else
1089 rc = DosSetFilePtr(hFile, OffsetLow, method, &newoffset);
1090
1091 if(rc)
1092 {
1093 SetLastError(error2WinError(rc));
1094 return -1;
1095 }
1096 SetLastError(ERROR_SUCCESS_W);
1097 return newoffset;
1098}
1099//******************************************************************************
1100//******************************************************************************
1101BOOL OSLibDosSetEndOfFile(DWORD hFile)
1102{
1103 ULONG newFilePos;
1104 LONGLONG FilePosL = {0,0};
1105 LONGLONG newFilePosL;
1106 APIRET rc;
1107
1108 if(f64BitIO) {
1109 rc = OdinDosSetFilePtrL(hFile, FilePosL, FILE_CURRENT, &newFilePosL);
1110 if(rc == 0) {
1111 rc = OdinDosSetFileSizeL(hFile, newFilePosL);
1112 }
1113 }
1114 else {
1115 rc = DosSetFilePtr(hFile, 0, FILE_CURRENT, &newFilePos);
1116 if(rc == 0) {
1117 rc = DosSetFileSize(hFile, newFilePos);
1118 }
1119 }
1120 if(rc) {
1121 SetLastError(error2WinError(rc));
1122 return FALSE;
1123 }
1124 SetLastError(ERROR_SUCCESS_W);
1125 return TRUE;
1126}
1127//******************************************************************************
1128//******************************************************************************
1129BOOL OSLibDosGetFileInformationByHandle(DWORD hFile, BY_HANDLE_FILE_INFORMATION* pInfo)
1130{
1131 APIRET rc;
1132
1133 if(f64BitIO)
1134 {
1135 FILESTATUS4L statusL = { 0 };
1136
1137 rc = DosQueryFileInfo(hFile,
1138 FIL_QUERYEASIZEL,
1139 &statusL,
1140 sizeof(statusL));
1141 if(rc == NO_ERROR)
1142 {
1143 pInfo->dwFileAttributes = 0;
1144 if(!(statusL.attrFile & NOT_NORMAL))
1145 pInfo->dwFileAttributes |= FILE_ATTRIBUTE_NORMAL_W;
1146 if(statusL.attrFile & FILE_READONLY)
1147 pInfo->dwFileAttributes |= FILE_ATTRIBUTE_READONLY_W;
1148 if(statusL.attrFile & FILE_HIDDEN)
1149 pInfo->dwFileAttributes |= FILE_ATTRIBUTE_HIDDEN_W;
1150 if(statusL.attrFile & FILE_SYSTEM)
1151 pInfo->dwFileAttributes |= FILE_ATTRIBUTE_SYSTEM_W;
1152 if(statusL.attrFile & FILE_DIRECTORY)
1153 pInfo->dwFileAttributes |= FILE_ATTRIBUTE_DIRECTORY_W;
1154 if(statusL.attrFile & FILE_ARCHIVED)
1155 pInfo->dwFileAttributes |= FILE_ATTRIBUTE_ARCHIVE_W;
1156
1157 pmDateTimeToFileTime(&statusL.fdateCreation,
1158 &statusL.ftimeCreation,
1159 &pInfo->ftCreationTime);
1160 pmDateTimeToFileTime(&statusL.fdateLastAccess,
1161 &statusL.ftimeLastAccess,
1162 &pInfo->ftLastAccessTime);
1163 pmDateTimeToFileTime(&statusL.fdateLastWrite,
1164 &statusL.ftimeLastWrite,
1165 &pInfo->ftLastWriteTime);
1166
1167 pInfo->nFileSizeHigh = statusL.cbFile.ulHi;
1168 pInfo->nFileSizeLow = statusL.cbFile.ulLo;
1169 pInfo->dwVolumeSerialNumber = 0; //todo
1170 pInfo->nNumberOfLinks = 1;
1171 pInfo->nFileIndexHigh = 0;
1172 pInfo->nFileIndexLow = 0;
1173 }
1174 }
1175 else
1176 {
1177 FILESTATUS4 status = { 0 };
1178
1179 rc = DosQueryFileInfo(hFile,
1180 FIL_QUERYEASIZE,
1181 &status,
1182 sizeof(status));
1183 if(rc == NO_ERROR)
1184 {
1185 pInfo->dwFileAttributes = 0;
1186 if(!(status.attrFile & NOT_NORMAL))
1187 pInfo->dwFileAttributes |= FILE_ATTRIBUTE_NORMAL_W;
1188 if(status.attrFile & FILE_READONLY)
1189 pInfo->dwFileAttributes |= FILE_ATTRIBUTE_READONLY_W;
1190 if(status.attrFile & FILE_HIDDEN)
1191 pInfo->dwFileAttributes |= FILE_ATTRIBUTE_HIDDEN_W;
1192 if(status.attrFile & FILE_SYSTEM)
1193 pInfo->dwFileAttributes |= FILE_ATTRIBUTE_SYSTEM_W;
1194 if(status.attrFile & FILE_DIRECTORY)
1195 pInfo->dwFileAttributes |= FILE_ATTRIBUTE_DIRECTORY_W;
1196 if(status.attrFile & FILE_ARCHIVED)
1197 pInfo->dwFileAttributes |= FILE_ATTRIBUTE_ARCHIVE_W;
1198
1199 pmDateTimeToFileTime(&status.fdateCreation,
1200 &status.ftimeCreation,
1201 &pInfo->ftCreationTime);
1202 pmDateTimeToFileTime(&status.fdateLastAccess,
1203 &status.ftimeLastAccess,
1204 &pInfo->ftLastAccessTime);
1205 pmDateTimeToFileTime(&status.fdateLastWrite,
1206 &status.ftimeLastWrite,
1207 &pInfo->ftLastWriteTime);
1208
1209 pInfo->nFileSizeHigh = 0;
1210 pInfo->nFileSizeLow = status.cbFile;
1211 pInfo->dwVolumeSerialNumber = 0; //todo
1212 pInfo->nNumberOfLinks = 1;
1213 pInfo->nFileIndexHigh = 0;
1214 pInfo->nFileIndexLow = 0;
1215 }
1216 }
1217 if(rc) {
1218 SetLastError(error2WinError(rc));
1219 return FALSE;
1220 }
1221 SetLastError(ERROR_SUCCESS_W);
1222 return TRUE;
1223}
1224//******************************************************************************
1225//******************************************************************************
1226BOOL OSLibDosSetFileTime(DWORD hFile, WORD creationdate, WORD creationtime,
1227 WORD lastaccessdate, WORD lastaccesstime,
1228 WORD lastwritedate, WORD lastwritetime)
1229{
1230 FILESTATUS3 fileInfo;
1231 APIRET rc;
1232
1233 rc = DosQueryFileInfo(hFile, FIL_STANDARD, &fileInfo, sizeof(fileInfo));
1234
1235 if(rc == NO_ERROR)
1236 {
1237 if(creationdate && creationtime) {
1238 fileInfo.fdateCreation = *(FDATE *)&creationdate;
1239 fileInfo.ftimeCreation = *(FTIME *)&creationtime;
1240 }
1241 if(lastaccessdate && lastaccesstime) {
1242 fileInfo.fdateLastAccess = *(FDATE *)&lastaccessdate;
1243 fileInfo.ftimeLastAccess = *(FTIME *)&lastaccesstime;
1244 }
1245 if(lastwritedate && lastwritetime) {
1246 fileInfo.fdateLastWrite = *(FDATE *)&lastwritedate;
1247 fileInfo.ftimeLastWrite = *(FTIME *)&lastwritetime;
1248 }
1249
1250 rc = DosSetFileInfo(hFile, FIL_STANDARD, &fileInfo, sizeof(fileInfo));
1251 }
1252
1253 if(rc)
1254 {
1255 SetLastError(error2WinError(rc));
1256 return FALSE;
1257 }
1258 SetLastError(ERROR_SUCCESS_W);
1259 return TRUE;
1260}
1261//******************************************************************************
1262//******************************************************************************
1263BOOL OSLibDosGetFileTime(DWORD hFile, WORD *creationdate, WORD *creationtime,
1264 WORD *lastaccessdate, WORD *lastaccesstime,
1265 WORD *lastwritedate, WORD *lastwritetime)
1266{
1267 FILESTATUS3 fileInfo;
1268 APIRET rc;
1269
1270 rc = DosQueryFileInfo(hFile, FIL_STANDARD, &fileInfo, sizeof(fileInfo));
1271
1272 if(rc == NO_ERROR)
1273 {
1274 *creationdate = *(WORD *)&fileInfo.fdateCreation;
1275 *creationtime = *(WORD *)&fileInfo.ftimeCreation;
1276 *lastaccessdate = *(WORD *)&fileInfo.fdateLastAccess;
1277 *lastaccesstime = *(WORD *)&fileInfo.ftimeLastAccess;
1278 *lastwritedate = *(WORD *)&fileInfo.fdateLastWrite;
1279 *lastwritetime = *(WORD *)&fileInfo.ftimeLastWrite;
1280 }
1281
1282 if(rc)
1283 {
1284 SetLastError(error2WinError(rc));
1285 return FALSE;
1286 }
1287 SetLastError(ERROR_SUCCESS_W);
1288 return TRUE;
1289}
1290//******************************************************************************
1291//******************************************************************************
1292DWORD OSLibDosSetFilePtr2(DWORD hFile, DWORD offset, DWORD method)
1293{
1294 DWORD newoffset;
1295 APIRET rc;
1296
1297
1298 rc = DosSetFilePtr(hFile, offset, method, &newoffset);
1299 if(rc) {
1300 dprintf(("DosSetFilePtr Error rc:%d", rc));
1301 return -1;
1302 }
1303 else return newoffset;
1304}
1305//******************************************************************************
1306//******************************************************************************
1307DWORD OSLibDosDupHandle(DWORD hFile, DWORD *hNew)
1308{
1309 *hNew = -1;
1310 return DosDupHandle(hFile, hNew);
1311}
1312//******************************************************************************
1313//******************************************************************************
1314void OSLibDosDisableHardError(BOOL fTurnOff)
1315{
1316 DosError((fTurnOff) ? FERR_DISABLEHARDERR : FERR_ENABLEHARDERR);
1317}
1318//******************************************************************************
1319//Returns time spent in kernel & user mode in milliseconds
1320//******************************************************************************
1321BOOL OSLibDosQueryProcTimes(DWORD procid, ULONG *kerneltime, ULONG *usertime)
1322{
1323 APIRET rc;
1324 char *buf;
1325 ULONG size;
1326 ULONG nrthreads = 4;
1327
1328tryagain:
1329 size = sizeof(QTOPLEVEL)+sizeof(QGLOBAL)+sizeof(QPROCESS) + nrthreads*sizeof(QTHREAD);
1330 buf = (char *)malloc(size);
1331 rc = DosQuerySysState(0x1, RESERVED, procid, RESERVED, (PCHAR)buf, size);
1332
1333 if(rc) {
1334 free(buf);
1335 if(rc == ERROR_BUFFER_OVERFLOW) {
1336 nrthreads += 4;
1337 goto tryagain;
1338 }
1339 return FALSE;
1340 }
1341 PQTOPLEVEL top = (PQTOPLEVEL)buf;
1342
1343 *kerneltime = 0;
1344 *usertime = 0;
1345 for(int i=0;i<top->procdata->threadcnt;i++) {
1346 *kerneltime += top->procdata->threads[i].systime;
1347 *usertime += top->procdata->threads[i].usertime;
1348 }
1349 free(buf);
1350 return TRUE;
1351}
1352//******************************************************************************
1353//******************************************************************************
1354// TODO: implement SecurityAttributes parameter
1355DWORD OSLibDosCreateNamedPipe(LPCTSTR lpName,
1356 DWORD dwOpenMode,
1357 DWORD dwPipeMode,
1358 DWORD nMaxInstances,
1359 DWORD nOutBufferSize,
1360 DWORD nInBufferSize,
1361 DWORD nDefaultTimeOut,
1362 LPSECURITY_ATTRIBUTES lpSecurityAttributes)
1363{ DWORD dwOS2Mode = 0;
1364 DWORD dwOS2PipeMode = 0;
1365 LPSTR lpOS2Name;
1366 DWORD hPipe;
1367 DWORD rc;
1368
1369 if (dwOpenMode & PIPE_ACCESS_DUPLEX_W)
1370 dwOS2Mode |= NP_ACCESS_DUPLEX;
1371 else
1372 if (dwOpenMode & PIPE_ACCESS_INBOUND_W)
1373 dwOS2Mode |= NP_ACCESS_INBOUND;
1374 else
1375 if (dwOpenMode & PIPE_ACCESS_OUTBOUND_W)
1376 dwOS2Mode |= NP_ACCESS_OUTBOUND;
1377 // TODO:
1378 // if(dwOpenMode & FILE_FLAG_OVERLAPPED)
1379 // if(dwOpenMode & WRITE_DAC)
1380 // if(dwOpenMode & WRITE_OWNER)
1381 // if(dwOpenMode & ACCESS_SYSTEM_SECURITY)
1382 if(dwOpenMode & FILE_FLAG_WRITE_THROUGH_W)
1383 dwOS2Mode |= NP_WRITEBEHIND; // FIXME: I'm not sure!
1384
1385 if (dwPipeMode & PIPE_WAIT_W)
1386 dwOS2PipeMode |= NP_WAIT;
1387 if (dwPipeMode & PIPE_NOWAIT_W)
1388 dwOS2PipeMode |= NP_NOWAIT;
1389 if (dwPipeMode & PIPE_READMODE_BYTE_W)
1390 dwOS2PipeMode |= NP_READMODE_BYTE;
1391 if (dwPipeMode & PIPE_READMODE_MESSAGE_W)
1392 dwOS2PipeMode |= NP_READMODE_MESSAGE;
1393 if (dwPipeMode & PIPE_TYPE_BYTE_W)
1394 dwOS2PipeMode |= NP_TYPE_BYTE;
1395 if (dwPipeMode & PIPE_TYPE_MESSAGE_W)
1396 dwOS2PipeMode |= NP_TYPE_MESSAGE;
1397
1398 if (nMaxInstances>0xff)
1399 {
1400 SetLastError(ERROR_INVALID_PARAMETER_W); // ERROR_INVALID_PARAMETER
1401 return -1; // INVALID_HANDLE_VALUE
1402 }
1403 dwOS2PipeMode |= nMaxInstances;
1404
1405 if (strstr(lpName,"\\\\."))
1406 {
1407 // If pipe is created on the local machine
1408 // we must delete string \\. because
1409 // in Windows named pipes scheme is a \\.\PIPE\pipename
1410 // but in OS/2 only \PIPE\pipename
1411 lpOS2Name = (LPSTR)lpName + 3;
1412 }
1413 else lpOS2Name = (LPSTR)lpName;
1414
1415 dprintf(("DosCreateNPipe(%s,%x,%x,%x,%x,%x)",lpOS2Name,dwOS2Mode,dwOS2PipeMode,nInBufferSize,nOutBufferSize,nDefaultTimeOut));
1416 rc=DosCreateNPipe(lpOS2Name,
1417 &hPipe,
1418 dwOS2Mode,
1419 dwOS2PipeMode,
1420 nInBufferSize,
1421 nInBufferSize,
1422 nDefaultTimeOut); // Timeouts must be tested!
1423
1424 dprintf(("DosCreateNPipe rc=%d",rc));
1425 if (rc)
1426 {
1427 SetLastError(error2WinError(rc,ERROR_INVALID_PARAMETER_W));
1428 return -1; // INVALID_HANDLE_VALUE
1429 }
1430 return hPipe;
1431}
1432
1433//******************************************************************************
1434//******************************************************************************
1435// TODO: implement lpOverlapped parameter!
1436BOOL OSLibDosConnectNamedPipe(DWORD hNamedPipe, LPOVERLAPPED lpOverlapped)
1437{
1438 DWORD rc;
1439
1440 rc=DosConnectNPipe(hNamedPipe);
1441 dprintf(("DosConnectNPipe rc=%d",rc));
1442
1443 if (!rc) return (TRUE);
1444 SetLastError(error2WinError(rc,ERROR_PIPE_NOT_CONNECTED_W));
1445
1446 return (FALSE);
1447}
1448
1449//******************************************************************************
1450//******************************************************************************
1451BOOL OSLibDosCallNamedPipe( LPCTSTR lpNamedPipeName,
1452 LPVOID lpInBuffer,
1453 DWORD nInBufferSize,
1454 LPVOID lpOutBuffer,
1455 DWORD nOutBufferSize,
1456 LPDWORD lpBytesRead,
1457 DWORD nTimeOut )
1458{
1459 LPSTR lpOS2Name;
1460 DWORD rc;
1461
1462 if (strstr(lpNamedPipeName,"\\\\."))
1463 {
1464 // If pipe is created on the local machine
1465 // we must delete string \\. because
1466 // in Windows named pipes scheme is a \\.\PIPE\pipename
1467 // but in OS/2 only \PIPE\pipename
1468 lpOS2Name = (LPSTR)lpNamedPipeName + 3;
1469 }
1470 else lpOS2Name = (LPSTR)lpNamedPipeName;
1471
1472 rc=DosCallNPipe(lpOS2Name,
1473 lpInBuffer,
1474 nInBufferSize,
1475 lpOutBuffer,
1476 nOutBufferSize,
1477 lpBytesRead,
1478 nTimeOut );
1479
1480
1481 if (!rc) return (TRUE);
1482 SetLastError(error2WinError(rc,ERROR_PIPE_NOT_CONNECTED_W));
1483
1484 return (FALSE);
1485}
1486
1487//******************************************************************************
1488//******************************************************************************
1489BOOL OSLibDosTransactNamedPipe( DWORD hNamedPipe,
1490 LPVOID lpInBuffer,
1491 DWORD nInBufferSize,
1492 LPVOID lpOutBuffer,
1493 DWORD nOutBufferSize,
1494 LPDWORD lpBytesRead,
1495 LPOVERLAPPED lpOverlapped)
1496{
1497 DWORD rc;
1498
1499 rc=DosTransactNPipe(hNamedPipe,
1500 lpOutBuffer,
1501 nOutBufferSize,
1502 lpInBuffer,
1503 nInBufferSize,
1504 lpBytesRead);
1505
1506 dprintf(("DosTransactNPipe returned rc=%d");)
1507 if (!rc) return (TRUE);
1508 SetLastError(error2WinError(rc,ERROR_PIPE_NOT_CONNECTED_W));
1509
1510 return (FALSE);
1511}
1512
1513//******************************************************************************
1514//******************************************************************************
1515BOOL OSLibDosPeekNamedPipe(DWORD hPipe,
1516 LPVOID lpvBuffer,
1517 DWORD cbBuffer,
1518 LPDWORD lpcbRead,
1519 LPDWORD lpcbAvail,
1520 LPDWORD lpcbMessage)
1521{
1522 DWORD rc;
1523 AVAILDATA availData ={0};
1524 ULONG ulDummy;
1525
1526 rc=DosPeekNPipe(hPipe,lpvBuffer,cbBuffer,lpcbRead,&availData,&ulDummy);
1527
1528 dprintf(("DosPeekNPipe returned rc=%d",rc));
1529
1530 if (!rc)
1531 {
1532 *lpcbAvail = availData.cbpipe;
1533 *lpcbMessage = availData.cbmessage;
1534 return (TRUE);
1535 }
1536 SetLastError(error2WinError(rc,ERROR_PIPE_NOT_CONNECTED_W));
1537
1538 return (FALSE);
1539}
1540//******************************************************************************
1541//******************************************************************************
1542BOOL OSLibDosDisconnectNamedPipe(DWORD hPipe)
1543{
1544 DWORD rc;
1545
1546 rc=DosDisConnectNPipe(hPipe);
1547
1548 dprintf(("DosDisConnectNPipe returned rc=%d",rc));
1549
1550 if (!rc) return TRUE;
1551 SetLastError(error2WinError(rc,ERROR_PIPE_NOT_CONNECTED_W));
1552
1553 return (FALSE);
1554}
1555//******************************************************************************
1556//******************************************************************************
1557BOOL OSLibDosWaitNamedPipe(LPCSTR lpszNamedPipeName,
1558 DWORD dwTimeout)
1559{
1560 LPSTR lpOS2Name;
1561 DWORD rc;
1562
1563 if (strstr(lpszNamedPipeName,"\\\\."))
1564 {
1565 // If pipe is created on the local machine
1566 // we must delete string \\. because
1567 // in Windows named pipes scheme is a \\.\PIPE\pipename
1568 // but in OS/2 only \PIPE\pipename
1569 lpOS2Name = (LPSTR)lpszNamedPipeName + 3;
1570 }
1571 else lpOS2Name = (LPSTR)lpszNamedPipeName;
1572
1573 rc=DosWaitNPipe(lpOS2Name,dwTimeout);
1574
1575 dprintf(("DosWaitNPipe returned rc=%d",rc));
1576
1577 if (!rc) return TRUE;
1578 SetLastError(error2WinError(rc,ERROR_PIPE_NOT_CONNECTED_W));
1579
1580 return (FALSE);
1581}
1582//******************************************************************************
1583//******************************************************************************
1584BOOL isRoot(CHAR* name)
1585{
1586 if (name[1] == ':')
1587 {
1588 //local name (x:\)
1589 return (name[2] == 0) || !strchr(&name[3],'\\');
1590 } else if (name[0] == '\\')
1591 {
1592 //UNC name (\\resource\drive\)
1593 CHAR *drive,*dir;
1594
1595 drive = strchr(&name[2],'\\');
1596 if (!drive) return FALSE;
1597 dir = strchr(&drive[1],'\\');
1598 if (!dir) return TRUE;
1599 return !strchr(&dir[1],'\\');
1600 } else return FALSE; //unknown
1601}
1602//******************************************************************************
1603//******************************************************************************
1604inline CHAR system2DOSCharacter(CHAR ch)
1605{
1606 switch(ch)
1607 {
1608 case ' ':
1609 case '.':
1610 case '~':
1611 return '_';
1612
1613 default:
1614 return toupper(ch);
1615 }
1616}
1617
1618VOID long2ShortName(CHAR* longName,CHAR* shortName)
1619{
1620 INT x;
1621 CHAR *source = longName,*dest = shortName,*ext = strrchr(longName,'.');
1622
1623 if ((strcmp(longName,".") == 0) || (strcmp(longName,"..") == 0))
1624 {
1625 strcpy(shortName,longName);
1626 return;
1627 }
1628
1629 //CB: quick and dirty, real FILE~12.EXT is too slow
1630
1631 //8 character file name
1632 for (x = 0;x < 8;x++)
1633 {
1634 if ((source == ext) || (source[0] == 0)) break;
1635 dest[0] = system2DOSCharacter(source[0]);
1636 source++;
1637 dest++;
1638 }
1639
1640 if (source[0] == 0)
1641 {
1642 dest[0] = 0;
1643 return;
1644 }
1645
1646 if (source != ext)
1647 {
1648 //longName > 8 characters, insert ~1
1649 shortName[6] = '~';
1650 shortName[7] = '1';
1651 }
1652
1653 if (ext)
1654 {
1655 //add extension, 3 characters
1656 dest[0] = ext[0];
1657 dest++;
1658 ext++;
1659 for (x = 0;x < 3;x++)
1660 {
1661 if (ext[0] == 0) break;
1662 dest[0] = system2DOSCharacter(ext[0]);
1663 ext++;
1664 dest++;
1665 }
1666 }
1667 dest[0] = 0;
1668}
1669//******************************************************************************
1670//******************************************************************************
1671VOID translateFileResults(FILESTATUS3 *pResult,LPWIN32_FIND_DATAA pFind,CHAR* achName)
1672{
1673 CHAR* name;
1674
1675 pFind->dwFileAttributes = pm2WinFileAttributes(pResult->attrFile);
1676
1677 pmDateTimeToFileTime(&pResult->fdateCreation,&pResult->ftimeCreation,&pFind->ftCreationTime);
1678 pmDateTimeToFileTime(&pResult->fdateLastAccess,&pResult->ftimeLastAccess,&pFind->ftLastAccessTime);
1679 pmDateTimeToFileTime(&pResult->fdateLastWrite,&pResult->ftimeLastWrite,&pFind->ftLastWriteTime);
1680
1681 pFind->nFileSizeHigh = 0; //CB: fixme
1682 pFind->nFileSizeLow = pResult->cbFile;
1683 name = strrchr(achName,'\\');
1684 if (name)
1685 {
1686 name++;
1687 strcpy(pFind->cFileName,name);
1688 } else pFind->cFileName[0] = 0;
1689 long2ShortName(pFind->cFileName,pFind->cAlternateFileName);
1690}
1691
1692VOID translateFindResults(FILEFINDBUF3 *pResult,LPWIN32_FIND_DATAA pFind)
1693{
1694 pFind->dwFileAttributes = pm2WinFileAttributes(pResult->attrFile);
1695
1696 pmDateTimeToFileTime(&pResult->fdateCreation,&pResult->ftimeCreation,&pFind->ftCreationTime);
1697 pmDateTimeToFileTime(&pResult->fdateLastAccess,&pResult->ftimeLastAccess,&pFind->ftLastAccessTime);
1698 pmDateTimeToFileTime(&pResult->fdateLastWrite,&pResult->ftimeLastWrite,&pFind->ftLastWriteTime);
1699
1700 pFind->nFileSizeHigh = 0; //CB: fixme
1701 pFind->nFileSizeLow = pResult->cbFile;
1702 strcpy(pFind->cFileName,pResult->achName);
1703 long2ShortName(pFind->cFileName,pFind->cAlternateFileName);
1704}
1705//******************************************************************************
1706//******************************************************************************
1707DWORD OSLibDosFindFirst(LPCSTR lpFileName,WIN32_FIND_DATAA* lpFindFileData)
1708{
1709 HDIR hDir = -1;
1710 ULONG attrs;
1711 FILEFINDBUF3 result;
1712 ULONG searchCount = 1;
1713
1714 attrs = FILE_READONLY | FILE_HIDDEN | FILE_SYSTEM | FILE_DIRECTORY | FILE_ARCHIVED;
1715 result.achName[0] = 0;
1716
1717 DosError(FERR_DISABLEHARDERR | FERR_DISABLEEXCEPTION);
1718 APIRET rc = DosFindFirst((PSZ)lpFileName,&hDir,attrs,&result,sizeof(result),&searchCount,FIL_STANDARD);
1719 DosError(FERR_ENABLEHARDERR | FERR_ENABLEEXCEPTION);
1720
1721 //check root: skip "." and ".." (HPFS, not on FAT)
1722 //check in OSLibDosFindNext not necessary: "." and ".." are the first two entries
1723 if ((rc == 0) && isRoot((LPSTR)lpFileName))
1724 {
1725 while ((strcmp(result.achName,".") == 0) || (strcmp(result.achName,"..") == 0))
1726 {
1727 result.achName[0] = 0;
1728 DosError(FERR_DISABLEHARDERR | FERR_DISABLEEXCEPTION);
1729 searchCount = 1;
1730 APIRET rc = DosFindNext(hDir,&result,sizeof(result),&searchCount);
1731 DosError(FERR_ENABLEHARDERR | FERR_ENABLEEXCEPTION);
1732 if (rc)
1733 {
1734 DosFindClose(hDir);
1735 SetLastError(error2WinError(rc));
1736
1737 return INVALID_HANDLE_VALUE_W;
1738 }
1739 }
1740 }
1741 if(rc) {
1742 DosFindClose(hDir);
1743 SetLastError(error2WinError(rc));
1744 return INVALID_HANDLE_VALUE_W;
1745 }
1746 translateFindResults(&result,lpFindFileData);
1747 return hDir;
1748}
1749//******************************************************************************
1750// NOTE: returns "." and ".." in root
1751//******************************************************************************
1752DWORD OSLibDosFindFirstMulti(LPCSTR lpFileName,WIN32_FIND_DATAA *lpFindFileData,DWORD *count)
1753{
1754 HDIR hDir = -1;
1755 ULONG attrs;
1756 FILEFINDBUF3 *result,*data;
1757 ULONG searchCount = *count;
1758
1759 attrs = FILE_READONLY | FILE_HIDDEN | FILE_SYSTEM | FILE_DIRECTORY | FILE_ARCHIVED;
1760 result = (FILEFINDBUF3*)malloc(searchCount*sizeof(FILEFINDBUF3));
1761
1762 DosError(FERR_DISABLEHARDERR | FERR_DISABLEEXCEPTION);
1763 APIRET rc = DosFindFirst((PSZ)lpFileName,&hDir,attrs,result,searchCount*sizeof(FILEFINDBUF3),&searchCount,FIL_STANDARD);
1764 DosError(FERR_ENABLEHARDERR | FERR_ENABLEEXCEPTION);
1765 if (rc)
1766 {
1767 free(result);
1768 *count = 0;
1769 SetLastError(error2WinError(rc));
1770
1771 return INVALID_HANDLE_VALUE_W;
1772 }
1773
1774 data = result;
1775 for (int x = 0;x < searchCount;x++)
1776 {
1777 translateFindResults(data,&lpFindFileData[x]);
1778 data = (FILEFINDBUF3*)(((DWORD)data)+data->oNextEntryOffset);
1779 }
1780 free(result);
1781 *count = searchCount;
1782
1783 return hDir;
1784}
1785//******************************************************************************
1786//******************************************************************************
1787BOOL OSLibDosFindNext(DWORD hFindFile,WIN32_FIND_DATAA *lpFindFileData)
1788{
1789 FILEFINDBUF3 result;
1790 ULONG searchCount = 1;
1791
1792 APIRET rc = DosFindNext((HDIR)hFindFile,&result,sizeof(result),&searchCount);
1793 if (rc)
1794 {
1795 SetLastError(error2WinError(rc));
1796
1797 return FALSE;
1798 }
1799
1800 translateFindResults(&result,lpFindFileData);
1801
1802 return TRUE;
1803}
1804//******************************************************************************
1805//******************************************************************************
1806BOOL OSLibDosFindNextMulti(DWORD hFindFile,WIN32_FIND_DATAA *lpFindFileData,DWORD *count)
1807{
1808 FILEFINDBUF3 *result,*data;
1809 ULONG searchCount = *count;
1810
1811 result = (FILEFINDBUF3*)malloc(searchCount*sizeof(FILEFINDBUF3));
1812 APIRET rc = DosFindNext((HDIR)hFindFile,result,searchCount*sizeof(FILEFINDBUF3),&searchCount);
1813 if (rc)
1814 {
1815 free(result);
1816 *count = 0;
1817 SetLastError(error2WinError(rc));
1818
1819 return FALSE;
1820 }
1821
1822 data = result;
1823 for (int x = 0;x < searchCount;x++)
1824 {
1825 translateFindResults(data,&lpFindFileData[x]);
1826 data = (FILEFINDBUF3*)(((DWORD)data)+data->oNextEntryOffset);
1827 }
1828 free(result);
1829 *count = searchCount;
1830
1831 return TRUE;
1832}
1833//******************************************************************************
1834//******************************************************************************
1835BOOL OSLibDosFindClose(DWORD hFindFile)
1836{
1837 APIRET rc = DosFindClose((HDIR)hFindFile);
1838 if (rc)
1839 {
1840 SetLastError(error2WinError(rc));
1841
1842 return FALSE;
1843 }
1844
1845 return TRUE;
1846}
1847//******************************************************************************
1848#define FSATTACH_SIZE 256
1849//******************************************************************************
1850DWORD OSLibDosQueryVolumeFS(int drive, LPSTR lpFileSystemNameBuffer, DWORD nFileSystemNameSize)
1851{
1852 PFSQBUFFER2 fsinfo = (PFSQBUFFER2) alloca(FSATTACH_SIZE);
1853 ULONG cb = FSATTACH_SIZE;
1854 char drv[3] = "A:";
1855 char *fsname;
1856 APIRET rc;
1857
1858 if(lpFileSystemNameBuffer == NULL) {
1859 DebugInt3();
1860 return ERROR_INVALID_PARAMETER_W;
1861 }
1862 drv[0] = (char)('A' + drive - 1);
1863
1864 DosError(FERR_DISABLEHARDERR);
1865 rc = DosQueryFSAttach(drv, 1, FSAIL_QUERYNAME, fsinfo, &cb);
1866 DosError(FERR_ENABLEHARDERR);
1867
1868 switch(rc) {
1869 case ERROR_INVALID_DRIVE:
1870 return ERROR_INVALID_DRIVE_W;
1871 case ERROR_NO_VOLUME_LABEL:
1872 return ERROR_NO_VOLUME_LABEL_W;
1873 case NO_ERROR:
1874 break;
1875 default:
1876 return ERROR_NOT_ENOUGH_MEMORY; //whatever
1877 }
1878
1879 fsname = (char *)&fsinfo->szName[0] + fsinfo->cbName + 1;
1880
1881 /* @@@PH 2000/08/10 CMD.EXE querys with nFileSystemNameSize == 0
1882 * however does NOT expect to receive an error.
1883 */
1884 strncpy(lpFileSystemNameBuffer,
1885 fsname,
1886 nFileSystemNameSize);
1887 /*
1888 if(strlen(fsname) < nFileSystemNameSize) {
1889 strcpy(lpFileSystemNameBuffer, fsname);
1890 }
1891 else return ERROR_BUFFER_OVERFLOW_W;
1892 */
1893 return 0;
1894}
1895//******************************************************************************
1896typedef struct _FSINFOBUF
1897{
1898 ULONG ulVolser; /* Volume serial number */
1899 VOLUMELABEL vol; /* Volume lable */
1900} FSINFOBUF;
1901//******************************************************************************
1902DWORD OSLibDosQueryVolumeSerialAndName(int drive, LPDWORD lpVolumeSerialNumber,
1903 LPSTR lpVolumeNameBuffer, DWORD nVolumeNameSize)
1904{
1905 FSINFOBUF fsi;
1906 APIRET rc;
1907
1908 DosError(FERR_DISABLEHARDERR);
1909 rc = DosQueryFSInfo(drive, FSIL_VOLSER, &fsi, sizeof(fsi));
1910 DosError(FERR_ENABLEHARDERR);
1911
1912 switch(rc) {
1913 case ERROR_INVALID_DRIVE:
1914 return ERROR_INVALID_DRIVE_W;
1915 case ERROR_NO_VOLUME_LABEL:
1916 return ERROR_NO_VOLUME_LABEL_W;
1917 case NO_ERROR:
1918 break;
1919 default:
1920 return ERROR_NOT_ENOUGH_MEMORY; //whatever
1921 }
1922
1923 if(lpVolumeSerialNumber) {
1924 *lpVolumeSerialNumber = fsi.ulVolser;
1925 }
1926 if(lpVolumeNameBuffer)
1927 {
1928 if(nVolumeNameSize > fsi.vol.cch) {
1929 strcpy(lpVolumeNameBuffer, (PCHAR)fsi.vol.szVolLabel);
1930 }
1931 else return ERROR_BUFFER_OVERFLOW_W;
1932 }
1933
1934 return ERROR_SUCCESS_W;
1935}
1936//******************************************************************************
1937//******************************************************************************
1938
1939
1940//******************************************************************************
1941//******************************************************************************
1942BOOL OSLibDosCreatePipe(PHANDLE phfRead,
1943 PHANDLE phfWrite,
1944 LPSECURITY_ATTRIBUTES lpsa,
1945 DWORD dwSize)
1946{
1947 APIRET rc;
1948
1949 dprintf(("DosCreatePipe(%08xh,%08xh,%08xh)\n",
1950 phfRead,
1951 phfWrite,
1952 dwSize));
1953
1954 // select default buffer size
1955 if (dwSize == 0)
1956 dwSize = 4096;
1957
1958 rc = DosCreatePipe(phfRead,
1959 phfWrite,
1960 dwSize);
1961 dprintf(("DosCreatePipe rc=%d",rc));
1962 if (rc)
1963 {
1964 SetLastError(error2WinError(rc,ERROR_INVALID_PARAMETER_W));
1965 return -1; // INVALID_HANDLE_VALUE
1966 }
1967 return NO_ERROR;
1968}
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