source: trunk/src/kernel32/oslibdos.cpp@ 3714

Last change on this file since 3714 was 3714, checked in by phaller, 25 years ago

some fixes
File size: 57.9 KB
Line 
1/* $Id: oslibdos.cpp,v 1.31 2000-06-16 00:04:30 phaller 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 return strlen(full_name);
662 }
663
664 case OSLIB_SEARCHENV:
665 {
666 LPSTR envstring;
667 int envsize;
668 CHAR szResult[CCHMAXPATH];
669
670 envsize = GetEnvironmentVariableA(path, NULL, 0);
671 envstring = (LPSTR)malloc(envsize+1);
672 GetEnvironmentVariableA(path, envstring, envsize);
673 if(DosSearchPath(SEARCH_IGNORENETERRS, envstring,
674 name, szResult, sizeof(szResult)) != 0) {
675 free(envstring);
676 return 0;
677 }
678 free(envstring);
679 strcpy(full_name, szResult);
680 return strlen(full_name);
681 }
682 }
683 return 0;
684}
685//******************************************************************************
686//******************************************************************************
687APIRET OSLibDosQueryPathInfo(PSZ pszPathName,
688 ULONG ulInfoLevel,
689 PVOID pInfoBuf,
690 ULONG cbInfoBuf)
691{
692 APIRET rc = DosQueryPathInfo( pszPathName, ulInfoLevel,
693 pInfoBuf, cbInfoBuf );
694
695 if(rc == ERROR_TOO_MANY_OPEN_FILES)
696 {
697 LONG reqCount = 2;
698 ULONG maxFiles;
699
700 if(DosSetRelMaxFH(&reqCount, &maxFiles) == NO_ERROR)
701 rc = DosQueryPathInfo(pszPathName, ulInfoLevel,
702 pInfoBuf, cbInfoBuf );
703 }
704 return rc;
705}
706//******************************************************************************
707//******************************************************************************
708DWORD OSLibDosCreateFile(CHAR *lpszFile,
709 DWORD fuAccess,
710 DWORD fuShare,
711 LPSECURITY_ATTRIBUTES lpSecurityAttributes,
712 DWORD fuCreate,
713 DWORD fuAttrFlags,
714 HANDLE hTemplateFile)
715{
716 HFILE hFile;
717 ULONG actionTaken = 0;
718 ULONG fileSize = 0;
719 ULONG fileAttr = FILE_NORMAL;
720 ULONG openFlag = 0;
721 ULONG openMode = 0;
722 APIRET rc = ERROR_NOT_ENOUGH_MEMORY;;
723
724 //TODO: lpSecurityAttributes (inheritance)
725
726 if(fuAttrFlags & FILE_ATTRIBUTE_ARCHIVE_W)
727 fileAttr |= FILE_ARCHIVED;
728 if(fuAttrFlags & FILE_ATTRIBUTE_HIDDEN_W)
729 fileAttr |= FILE_HIDDEN;
730 if(fuAttrFlags & FILE_ATTRIBUTE_SYSTEM_W)
731 fileAttr |= FILE_SYSTEM;
732 if(fuAttrFlags & FILE_ATTRIBUTE_READONLY_W)
733 fileAttr |= FILE_READONLY;
734 // TODO: FILE_ATTRIBUTE_TEMPORARY_W
735
736 switch(fuCreate)
737 {
738 case CREATE_NEW_W:
739 openFlag |= OPEN_ACTION_CREATE_IF_NEW | OPEN_ACTION_FAIL_IF_EXISTS;
740 break;
741 case CREATE_ALWAYS_W:
742 openFlag |= OPEN_ACTION_CREATE_IF_NEW | OPEN_ACTION_REPLACE_IF_EXISTS;
743 break;
744 case OPEN_EXISTING_W:
745 openFlag |= OPEN_ACTION_FAIL_IF_NEW | OPEN_ACTION_OPEN_IF_EXISTS;
746 break;
747 case OPEN_ALWAYS_W:
748 openFlag |= OPEN_ACTION_CREATE_IF_NEW | OPEN_ACTION_OPEN_IF_EXISTS;
749 break;
750 case TRUNCATE_EXISTING_W:
751 openFlag |= OPEN_ACTION_FAIL_IF_NEW | OPEN_ACTION_REPLACE_IF_EXISTS;
752 break;
753 }
754
755 if(fuAttrFlags & FILE_FLAG_WRITE_THROUGH_W) openMode |= OPEN_FLAGS_WRITE_THROUGH;
756 if(fuAttrFlags & FILE_FLAG_NO_BUFFERING_W) openMode |= OPEN_FLAGS_NO_CACHE;
757 if(fuAttrFlags & FILE_FLAG_RANDOM_ACCESS_W) openMode |= OPEN_FLAGS_RANDOM;
758 if(fuAttrFlags & FILE_FLAG_SEQUENTIAL_SCAN_W) openMode |= OPEN_FLAGS_SEQUENTIAL;
759 // TODO: FILE_FLAG_BACKUP_SEMANTICS_W
760 // FILE_FLAG_POSIX_SEMANTICS_W are not supported
761
762 if(fuShare == 0)
763 openMode |= OPEN_SHARE_DENYREADWRITE;
764 else
765 if(fuShare == (FILE_SHARE_READ_W | FILE_SHARE_WRITE_W))
766 openMode |= OPEN_SHARE_DENYNONE;
767 else
768 if(fuShare & FILE_SHARE_READ_W)
769 openMode |= OPEN_SHARE_DENYWRITE;
770 else
771 if(fuShare & FILE_SHARE_WRITE_W)
772 openMode |= OPEN_SHARE_DENYREAD;
773
774 if(fuAccess == (GENERIC_READ_W | GENERIC_WRITE_W))
775 openMode |= OPEN_ACCESS_READWRITE;
776 else
777 if(fuAccess & GENERIC_READ_W)
778 openMode |= OPEN_ACCESS_READONLY;
779 else
780 if(fuAccess & GENERIC_WRITE_W)
781 openMode |= OPEN_ACCESS_WRITEONLY;
782
783 int retry = 0;
784 while(retry < 2)
785 {
786 rc = DosOpen((PSZ)lpszFile,
787 &hFile,
788 &actionTaken,
789 fileSize,
790 fileAttr,
791 openFlag,
792 openMode,
793 NULL);
794 if(rc == ERROR_TOO_MANY_OPEN_FILES)
795 {
796 ULONG CurMaxFH;
797 LONG ReqCount = 32;
798
799 rc = DosSetRelMaxFH(&ReqCount, &CurMaxFH);
800 if(rc) {
801 dprintf(("DosSetRelMaxFH returned %d", rc));
802 SetLastError(ERROR_TOO_MANY_OPEN_FILES_W);
803 return INVALID_HANDLE_VALUE_W;
804 }
805 dprintf(("DosOpen failed -> increased nr open files to %d", CurMaxFH));
806 }
807 else break;
808 retry++;
809 }
810
811 if(rc)
812 {
813 SetLastError(error2WinError(rc));
814 return INVALID_HANDLE_VALUE_W;
815 }
816 SetLastError(ERROR_SUCCESS_W);
817 return hFile;
818}
819//******************************************************************************
820//******************************************************************************
821DWORD OSLibDosOpenFile(CHAR *lpszFile, UINT fuMode)
822{
823 ULONG actionTaken = 0;
824 ULONG fileSize = 0;
825 ULONG fileAttr = FILE_NORMAL;
826 ULONG openFlag = 0;
827 ULONG openMode = 0;
828 APIRET rc = ERROR_NOT_ENOUGH_MEMORY;
829 HFILE hFile;
830
831 if(!(fuMode & (OF_CREATE_W | OF_READWRITE_W | OF_WRITE_W)))
832 {
833 openMode |= OPEN_ACCESS_READONLY;
834 openFlag |= OPEN_ACTION_OPEN_IF_EXISTS;
835 }
836 else
837 {
838 if(fuMode & OF_CREATE_W) {
839 openFlag |= OPEN_ACTION_CREATE_IF_NEW |
840 OPEN_ACTION_REPLACE_IF_EXISTS;
841 }
842 else openFlag |= OPEN_ACTION_OPEN_IF_EXISTS; //180575
843
844 if(fuMode & OF_READWRITE_W)
845 openMode |= OPEN_ACCESS_READWRITE;
846 else
847 if(fuMode & OF_WRITE_W)
848 openMode |= OPEN_ACCESS_WRITEONLY;
849 else
850 if(fuMode & OF_CREATE_W)
851 openMode |= OPEN_ACCESS_READWRITE;
852 }
853
854 if((fuMode & OF_SHARE_DENY_WRITE_W) ||
855 !(fuMode & (OF_SHARE_DENY_READ_W | OF_SHARE_DENY_NONE_W | OF_SHARE_EXCLUSIVE_W)))
856 openMode |= OPEN_SHARE_DENYWRITE;
857 else
858 if (fuMode & OF_SHARE_DENY_NONE_W)
859 openMode |= OPEN_SHARE_DENYNONE;
860 else
861 if (fuMode & OF_SHARE_DENY_READ_W)
862 openMode |= OPEN_SHARE_DENYREAD;
863 else
864 if (fuMode & OF_SHARE_EXCLUSIVE_W)
865 openMode |= OPEN_SHARE_DENYREADWRITE;
866
867 rc = DosOpen((PSZ)lpszFile,
868 &hFile,
869 &actionTaken,
870 fileSize,
871 fileAttr,
872 openFlag,
873 openMode,
874 NULL);
875
876 if(rc != NO_ERROR)
877 {
878 if(fuMode & OF_EXIST_W)
879 {
880 if(rc == ERROR_OPEN_FAILED || rc == ERROR_FILE_NOT_FOUND)
881 {
882 SetLastError(ERROR_FILE_NOT_FOUND_W);
883 return HFILE_ERROR_W;
884 }
885 }
886 if((rc == ERROR_OPEN_FAILED) && (openFlag & OPEN_ACTION_OPEN_IF_EXISTS))
887 {
888 SetLastError(ERROR_FILE_NOT_FOUND_W);
889 }
890 else SetLastError(error2WinError(rc));
891
892 return HFILE_ERROR_W;
893 }
894 SetLastError(ERROR_SUCCESS_W);
895 return hFile;
896}
897//******************************************************************************
898//******************************************************************************
899BOOL OSLibDosLockFile(DWORD hFile, DWORD dwFlags,
900 DWORD OffsetLow, DWORD OffsetHigh,
901 DWORD nNumberOfBytesToLockLow, DWORD nNumberOfBytesToLockHigh,
902 LPOVERLAPPED lpOverlapped)
903{
904 APIRET rc;
905
906 // Set 5 secs timeout for locking file and no other can access this
907 // file region
908
909 if(lpOverlapped) {//TODO:
910 dprintf(("OSLibDosLockFile: overlapped lock not yet implemented!!"));
911 }
912 //TODO: Locking region crossing end of file is permitted. Works in OS/2??
913 if(f64BitIO)
914 {
915 FILELOCKL lockRangeL;
916
917 lockRangeL.lOffset.ulLo = OffsetLow;
918 lockRangeL.lOffset.ulHi = OffsetHigh;
919 lockRangeL.lRange.ulLo = nNumberOfBytesToLockLow;
920 lockRangeL.lRange.ulHi = nNumberOfBytesToLockHigh;
921
922 rc = OdinDosSetFileLocksL(hFile, NULL, &lockRangeL,
923 (dwFlags & LOCKFILE_FAIL_IMMEDIATELY_W) ? 0 : 5000, 0);
924 }
925 else
926 {
927 FILELOCK lockRange = { OffsetLow, nNumberOfBytesToLockLow };
928
929 rc = DosSetFileLocks(hFile, NULL, &lockRange,
930 (dwFlags & LOCKFILE_FAIL_IMMEDIATELY_W) ? 0 : 5000, 0);
931 }
932 if(rc) {
933 SetLastError(error2WinError(rc));
934 return FALSE;
935 }
936 SetLastError(ERROR_SUCCESS_W);
937 return TRUE;
938}
939//******************************************************************************
940//******************************************************************************
941BOOL OSLibDosUnlockFile(DWORD hFile, DWORD OffsetLow, DWORD OffsetHigh,
942 DWORD nNumberOfBytesToLockLow, DWORD nNumberOfBytesToLockHigh,
943 LPOVERLAPPED lpOverlapped)
944{
945 APIRET rc;
946
947 // Set 5 secs timeout for unlocking file and no other can access this
948 // file region
949
950 if(lpOverlapped) {//TODO:
951 dprintf(("OSLibDosUnlockFile: overlapped unlock not yet implemented!!"));
952 }
953 if(f64BitIO)
954 {
955 FILELOCKL unlockRangeL;
956
957 unlockRangeL.lOffset.ulLo = OffsetLow;
958 unlockRangeL.lOffset.ulHi = OffsetHigh;
959 unlockRangeL.lRange.ulLo = nNumberOfBytesToLockLow;
960 unlockRangeL.lRange.ulHi = nNumberOfBytesToLockHigh;
961
962 rc = OdinDosSetFileLocksL(hFile, &unlockRangeL, NULL, 5000, 0);
963 }
964 else
965 {
966 FILELOCK unlockRange = { OffsetLow, nNumberOfBytesToLockLow };
967
968 rc = DosSetFileLocks(hFile, &unlockRange, NULL, 5000, 0);
969 }
970 if(rc) {
971 SetLastError(error2WinError(rc));
972 return FALSE;
973 }
974 SetLastError(ERROR_SUCCESS_W);
975 return TRUE;
976}
977//******************************************************************************
978//******************************************************************************
979BOOL OSLibDosFlushFileBuffers(DWORD hFile)
980{
981 APIRET rc;
982
983 rc = DosResetBuffer(hFile);
984 SetLastError(error2WinError(rc));
985 return (rc == NO_ERROR);
986}
987//******************************************************************************
988//******************************************************************************
989DWORD OSLibDosGetFileSize(DWORD hFile, LPDWORD lpdwFileSizeHigh)
990{
991 APIRET rc;
992 ULONG sizeLow;
993
994 if(f64BitIO)
995 {
996 FILESTATUS3L fsts3ConfigInfoL = {{0}};
997 ULONG ulBufSize = sizeof(FILESTATUS3L);
998
999 rc = DosQueryFileInfo(hFile, FIL_STANDARDL, &fsts3ConfigInfoL, ulBufSize);
1000 if(lpdwFileSizeHigh) {
1001 *lpdwFileSizeHigh = fsts3ConfigInfoL.cbFile.ulHi;
1002 }
1003 sizeLow = fsts3ConfigInfoL.cbFile.ulLo;
1004 }
1005 else
1006 {
1007 FILESTATUS3 fsts3ConfigInfo = {{0}};
1008 ULONG ulBufSize = sizeof(FILESTATUS3);
1009
1010 if(lpdwFileSizeHigh) {
1011 *lpdwFileSizeHigh = 0;
1012 }
1013 rc = DosQueryFileInfo(hFile, FIL_STANDARD, &fsts3ConfigInfo, ulBufSize);
1014 sizeLow = fsts3ConfigInfo.cbFile;
1015 }
1016 if(rc) {
1017 SetLastError(error2WinError(rc));
1018 return -1;
1019 }
1020 SetLastError(ERROR_SUCCESS_W);
1021 return sizeLow;
1022}
1023//******************************************************************************
1024//******************************************************************************
1025DWORD OSLibDosSetFilePointer(DWORD hFile, DWORD OffsetLow, DWORD *OffsetHigh, DWORD method)
1026{
1027 LONGLONG offsetL;
1028 LONGLONG newoffsetL;
1029 APIRET rc;
1030 DWORD newoffset;
1031
1032 switch(method)
1033 {
1034 case FILE_BEGIN_W:
1035 method = FILE_BEGIN;
1036 break;
1037
1038 case FILE_CURRENT_W:
1039 method = FILE_CURRENT;
1040 break;
1041
1042 case FILE_END_W:
1043 method = FILE_END;
1044 break;
1045 }
1046
1047 // PH Note: for a negative 32-bit seek, the OS/2 64-bit version
1048 // needs to be skipped.
1049 if( (f64BitIO) && (OffsetHigh) )
1050 {
1051 offsetL.ulLo = OffsetLow;
1052 offsetL.ulHi = (OffsetHigh) ? *OffsetHigh : 0;
1053 rc = OdinDosSetFilePtrL(hFile, offsetL, method, &newoffsetL);
1054 if(OffsetHigh) {
1055 *OffsetHigh = newoffsetL.ulHi;
1056 }
1057 newoffset = newoffsetL.ulLo;
1058 }
1059 else
1060 rc = DosSetFilePtr(hFile, OffsetLow, method, &newoffset);
1061
1062 if(rc)
1063 {
1064 SetLastError(error2WinError(rc));
1065 return -1;
1066 }
1067 SetLastError(ERROR_SUCCESS_W);
1068 return newoffset;
1069}
1070//******************************************************************************
1071//******************************************************************************
1072BOOL OSLibDosSetEndOfFile(DWORD hFile)
1073{
1074 ULONG newFilePos;
1075 LONGLONG FilePosL = {0,0};
1076 LONGLONG newFilePosL;
1077 APIRET rc;
1078
1079 if(f64BitIO) {
1080 rc = OdinDosSetFilePtrL(hFile, FilePosL, FILE_CURRENT, &newFilePosL);
1081 if(rc == 0) {
1082 rc = OdinDosSetFileSizeL(hFile, newFilePosL);
1083 }
1084 }
1085 else {
1086 rc = DosSetFilePtr(hFile, 0, FILE_CURRENT, &newFilePos);
1087 if(rc == 0) {
1088 rc = DosSetFileSize(hFile, newFilePos);
1089 }
1090 }
1091 if(rc) {
1092 SetLastError(error2WinError(rc));
1093 return FALSE;
1094 }
1095 SetLastError(ERROR_SUCCESS_W);
1096 return TRUE;
1097}
1098//******************************************************************************
1099//******************************************************************************
1100BOOL OSLibDosGetFileInformationByHandle(DWORD hFile, BY_HANDLE_FILE_INFORMATION* pInfo)
1101{
1102 APIRET rc;
1103
1104 if(f64BitIO)
1105 {
1106 FILESTATUS4L statusL = { 0 };
1107
1108 rc = DosQueryFileInfo(hFile,
1109 FIL_QUERYEASIZEL,
1110 &statusL,
1111 sizeof(statusL));
1112 if(rc == NO_ERROR)
1113 {
1114 pInfo->dwFileAttributes = 0;
1115 if(!(statusL.attrFile & NOT_NORMAL))
1116 pInfo->dwFileAttributes |= FILE_ATTRIBUTE_NORMAL_W;
1117 if(statusL.attrFile & FILE_READONLY)
1118 pInfo->dwFileAttributes |= FILE_ATTRIBUTE_READONLY_W;
1119 if(statusL.attrFile & FILE_HIDDEN)
1120 pInfo->dwFileAttributes |= FILE_ATTRIBUTE_HIDDEN_W;
1121 if(statusL.attrFile & FILE_SYSTEM)
1122 pInfo->dwFileAttributes |= FILE_ATTRIBUTE_SYSTEM_W;
1123 if(statusL.attrFile & FILE_DIRECTORY)
1124 pInfo->dwFileAttributes |= FILE_ATTRIBUTE_DIRECTORY_W;
1125 if(statusL.attrFile & FILE_ARCHIVED)
1126 pInfo->dwFileAttributes |= FILE_ATTRIBUTE_ARCHIVE_W;
1127
1128 pmDateTimeToFileTime(&statusL.fdateCreation,
1129 &statusL.ftimeCreation,
1130 &pInfo->ftCreationTime);
1131 pmDateTimeToFileTime(&statusL.fdateLastAccess,
1132 &statusL.ftimeLastAccess,
1133 &pInfo->ftLastAccessTime);
1134 pmDateTimeToFileTime(&statusL.fdateLastWrite,
1135 &statusL.ftimeLastWrite,
1136 &pInfo->ftLastWriteTime);
1137
1138 pInfo->nFileSizeHigh = statusL.cbFile.ulHi;
1139 pInfo->nFileSizeLow = statusL.cbFile.ulLo;
1140 pInfo->dwVolumeSerialNumber = 0; //todo
1141 pInfo->nNumberOfLinks = 1;
1142 pInfo->nFileIndexHigh = 0;
1143 pInfo->nFileIndexLow = 0;
1144 }
1145 }
1146 else
1147 {
1148 FILESTATUS4 status = { 0 };
1149
1150 rc = DosQueryFileInfo(hFile,
1151 FIL_QUERYEASIZE,
1152 &status,
1153 sizeof(status));
1154 if(rc == NO_ERROR)
1155 {
1156 pInfo->dwFileAttributes = 0;
1157 if(!(status.attrFile & NOT_NORMAL))
1158 pInfo->dwFileAttributes |= FILE_ATTRIBUTE_NORMAL_W;
1159 if(status.attrFile & FILE_READONLY)
1160 pInfo->dwFileAttributes |= FILE_ATTRIBUTE_READONLY_W;
1161 if(status.attrFile & FILE_HIDDEN)
1162 pInfo->dwFileAttributes |= FILE_ATTRIBUTE_HIDDEN_W;
1163 if(status.attrFile & FILE_SYSTEM)
1164 pInfo->dwFileAttributes |= FILE_ATTRIBUTE_SYSTEM_W;
1165 if(status.attrFile & FILE_DIRECTORY)
1166 pInfo->dwFileAttributes |= FILE_ATTRIBUTE_DIRECTORY_W;
1167 if(status.attrFile & FILE_ARCHIVED)
1168 pInfo->dwFileAttributes |= FILE_ATTRIBUTE_ARCHIVE_W;
1169
1170 pmDateTimeToFileTime(&status.fdateCreation,
1171 &status.ftimeCreation,
1172 &pInfo->ftCreationTime);
1173 pmDateTimeToFileTime(&status.fdateLastAccess,
1174 &status.ftimeLastAccess,
1175 &pInfo->ftLastAccessTime);
1176 pmDateTimeToFileTime(&status.fdateLastWrite,
1177 &status.ftimeLastWrite,
1178 &pInfo->ftLastWriteTime);
1179
1180 pInfo->nFileSizeHigh = 0;
1181 pInfo->nFileSizeLow = status.cbFile;
1182 pInfo->dwVolumeSerialNumber = 0; //todo
1183 pInfo->nNumberOfLinks = 1;
1184 pInfo->nFileIndexHigh = 0;
1185 pInfo->nFileIndexLow = 0;
1186 }
1187 }
1188 if(rc) {
1189 SetLastError(error2WinError(rc));
1190 return FALSE;
1191 }
1192 SetLastError(ERROR_SUCCESS_W);
1193 return TRUE;
1194}
1195//******************************************************************************
1196//******************************************************************************
1197BOOL OSLibDosSetFileTime(DWORD hFile, WORD creationdate, WORD creationtime,
1198 WORD lastaccessdate, WORD lastaccesstime,
1199 WORD lastwritedate, WORD lastwritetime)
1200{
1201 FILESTATUS3 fileInfo;
1202 APIRET rc;
1203
1204 rc = DosQueryFileInfo(hFile, FIL_STANDARD, &fileInfo, sizeof(fileInfo));
1205
1206 if(rc == NO_ERROR)
1207 {
1208 if(creationdate && creationtime) {
1209 fileInfo.fdateCreation = *(FDATE *)&creationdate;
1210 fileInfo.ftimeCreation = *(FTIME *)&creationtime;
1211 }
1212 if(lastaccessdate && lastaccesstime) {
1213 fileInfo.fdateLastAccess = *(FDATE *)&lastaccessdate;
1214 fileInfo.ftimeLastAccess = *(FTIME *)&lastaccesstime;
1215 }
1216 if(lastwritedate && lastwritetime) {
1217 fileInfo.fdateLastWrite = *(FDATE *)&lastwritedate;
1218 fileInfo.ftimeLastWrite = *(FTIME *)&lastwritetime;
1219 }
1220
1221 rc = DosSetFileInfo(hFile, FIL_STANDARD, &fileInfo, sizeof(fileInfo));
1222 }
1223
1224 if(rc)
1225 {
1226 SetLastError(error2WinError(rc));
1227 return FALSE;
1228 }
1229 SetLastError(ERROR_SUCCESS_W);
1230 return TRUE;
1231}
1232//******************************************************************************
1233//******************************************************************************
1234BOOL OSLibDosGetFileTime(DWORD hFile, WORD *creationdate, WORD *creationtime,
1235 WORD *lastaccessdate, WORD *lastaccesstime,
1236 WORD *lastwritedate, WORD *lastwritetime)
1237{
1238 FILESTATUS3 fileInfo;
1239 APIRET rc;
1240
1241 rc = DosQueryFileInfo(hFile, FIL_STANDARD, &fileInfo, sizeof(fileInfo));
1242
1243 if(rc == NO_ERROR)
1244 {
1245 *creationdate = *(WORD *)&fileInfo.fdateCreation;
1246 *creationtime = *(WORD *)&fileInfo.ftimeCreation;
1247 *lastaccessdate = *(WORD *)&fileInfo.fdateLastAccess;
1248 *lastaccesstime = *(WORD *)&fileInfo.ftimeLastAccess;
1249 *lastwritedate = *(WORD *)&fileInfo.fdateLastWrite;
1250 *lastwritetime = *(WORD *)&fileInfo.ftimeLastWrite;
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//******************************************************************************
1263DWORD OSLibDosSetFilePtr2(DWORD hFile, DWORD offset, DWORD method)
1264{
1265 DWORD newoffset;
1266 APIRET rc;
1267
1268
1269 rc = DosSetFilePtr(hFile, offset, method, &newoffset);
1270 if(rc) {
1271 dprintf(("DosSetFilePtr Error rc:%d", rc));
1272 return -1;
1273 }
1274 else return newoffset;
1275}
1276//******************************************************************************
1277//******************************************************************************
1278DWORD OSLibDosDupHandle(DWORD hFile, DWORD *hNew)
1279{
1280 *hNew = -1;
1281 return DosDupHandle(hFile, hNew);
1282}
1283//******************************************************************************
1284//******************************************************************************
1285void OSLibDosDisableHardError(BOOL fTurnOff)
1286{
1287 DosError((fTurnOff) ? FERR_DISABLEHARDERR : FERR_ENABLEHARDERR);
1288}
1289//******************************************************************************
1290//Returns time spent in kernel & user mode in milliseconds
1291//******************************************************************************
1292BOOL OSLibDosQueryProcTimes(DWORD procid, ULONG *kerneltime, ULONG *usertime)
1293{
1294 APIRET rc;
1295 char *buf;
1296 ULONG size;
1297 ULONG nrthreads = 4;
1298
1299tryagain:
1300 size = sizeof(QTOPLEVEL)+sizeof(QGLOBAL)+sizeof(QPROCESS) + nrthreads*sizeof(QTHREAD);
1301 buf = (char *)malloc(size);
1302 rc = DosQuerySysState(0x1, RESERVED, procid, RESERVED, (PCHAR)buf, size);
1303
1304 if(rc) {
1305 free(buf);
1306 if(rc == ERROR_BUFFER_OVERFLOW) {
1307 nrthreads += 4;
1308 goto tryagain;
1309 }
1310 return FALSE;
1311 }
1312 PQTOPLEVEL top = (PQTOPLEVEL)buf;
1313
1314 *kerneltime = 0;
1315 *usertime = 0;
1316 for(int i=0;i<top->procdata->threadcnt;i++) {
1317 *kerneltime += top->procdata->threads[i].systime;
1318 *usertime += top->procdata->threads[i].usertime;
1319 }
1320 free(buf);
1321 return TRUE;
1322}
1323//******************************************************************************
1324//******************************************************************************
1325// TODO: implement SecurityAttributes parameter
1326DWORD OSLibDosCreateNamedPipe(LPCTSTR lpName,
1327 DWORD dwOpenMode,
1328 DWORD dwPipeMode,
1329 DWORD nMaxInstances,
1330 DWORD nOutBufferSize,
1331 DWORD nInBufferSize,
1332 DWORD nDefaultTimeOut,
1333 void* lpSecurityAttributes)
1334{ DWORD dwOS2Mode = 0;
1335 DWORD dwOS2PipeMode = 0;
1336 LPSTR lpOS2Name;
1337 DWORD hPipe;
1338 DWORD rc;
1339
1340 if (dwOpenMode & PIPE_ACCESS_DUPLEX_W)
1341 dwOS2Mode |= NP_ACCESS_DUPLEX;
1342 else
1343 if (dwOpenMode & PIPE_ACCESS_INBOUND_W)
1344 dwOS2Mode |= NP_ACCESS_INBOUND;
1345 else
1346 if (dwOpenMode & PIPE_ACCESS_OUTBOUND_W)
1347 dwOS2Mode |= NP_ACCESS_OUTBOUND;
1348 // TODO:
1349 // if(dwOpenMode & FILE_FLAG_OVERLAPPED)
1350 // if(dwOpenMode & WRITE_DAC)
1351 // if(dwOpenMode & WRITE_OWNER)
1352 // if(dwOpenMode & ACCESS_SYSTEM_SECURITY)
1353 if(dwOpenMode & FILE_FLAG_WRITE_THROUGH_W)
1354 dwOS2Mode |= NP_WRITEBEHIND; // FIXME: I'm not sure!
1355
1356 if (dwPipeMode & PIPE_WAIT_W)
1357 dwOS2PipeMode |= NP_WAIT;
1358 if (dwPipeMode & PIPE_NOWAIT_W)
1359 dwOS2PipeMode |= NP_NOWAIT;
1360 if (dwPipeMode & PIPE_READMODE_BYTE_W)
1361 dwOS2PipeMode |= NP_READMODE_BYTE;
1362 if (dwPipeMode & PIPE_READMODE_MESSAGE_W)
1363 dwOS2PipeMode |= NP_READMODE_MESSAGE;
1364 if (dwPipeMode & PIPE_TYPE_BYTE_W)
1365 dwOS2PipeMode |= NP_TYPE_BYTE;
1366 if (dwPipeMode & PIPE_TYPE_MESSAGE_W)
1367 dwOS2PipeMode |= NP_TYPE_MESSAGE;
1368
1369 if (nMaxInstances>0xff)
1370 {
1371 SetLastError(ERROR_INVALID_PARAMETER_W); // ERROR_INVALID_PARAMETER
1372 return -1; // INVALID_HANDLE_VALUE
1373 }
1374 dwOS2PipeMode |= nMaxInstances;
1375
1376 if (strstr(lpName,"\\\\."))
1377 {
1378 // If pipe is created on the local machine
1379 // we must delete string \\. because
1380 // in Windows named pipes scheme is a \\.\PIPE\pipename
1381 // but in OS/2 only \PIPE\pipename
1382 lpOS2Name = (LPSTR)lpName + 3;
1383 }
1384 else lpOS2Name = (LPSTR)lpName;
1385
1386 dprintf(("DosCreateNPipe(%s,%x,%x,%x,%x,%x)",lpOS2Name,dwOS2Mode,dwOS2PipeMode,nInBufferSize,nOutBufferSize,nDefaultTimeOut));
1387 rc=DosCreateNPipe(lpOS2Name,
1388 &hPipe,
1389 dwOS2Mode,
1390 dwOS2PipeMode,
1391 nInBufferSize,
1392 nInBufferSize,
1393 nDefaultTimeOut); // Timeouts must be tested!
1394
1395 dprintf(("DosCreateNPipe rc=%d",rc));
1396 if (rc)
1397 {
1398 SetLastError(error2WinError(rc,ERROR_INVALID_PARAMETER_W));
1399 return -1; // INVALID_HANDLE_VALUE
1400 }
1401 return hPipe;
1402}
1403
1404//******************************************************************************
1405//******************************************************************************
1406// TODO: implement lpOverlapped parameter!
1407BOOL OSLibDosConnectNamedPipe(DWORD hNamedPipe, LPOVERLAPPED lpOverlapped)
1408{
1409 DWORD rc;
1410
1411 rc=DosConnectNPipe(hNamedPipe);
1412 dprintf(("DosConnectNPipe rc=%d",rc));
1413
1414 if (!rc) return (TRUE);
1415 SetLastError(error2WinError(rc,ERROR_PIPE_NOT_CONNECTED_W));
1416
1417 return (FALSE);
1418}
1419
1420//******************************************************************************
1421//******************************************************************************
1422BOOL OSLibDosCallNamedPipe( LPCTSTR lpNamedPipeName,
1423 LPVOID lpInBuffer,
1424 DWORD nInBufferSize,
1425 LPVOID lpOutBuffer,
1426 DWORD nOutBufferSize,
1427 LPDWORD lpBytesRead,
1428 DWORD nTimeOut )
1429{
1430 LPSTR lpOS2Name;
1431 DWORD rc;
1432
1433 if (strstr(lpNamedPipeName,"\\\\."))
1434 {
1435 // If pipe is created on the local machine
1436 // we must delete string \\. because
1437 // in Windows named pipes scheme is a \\.\PIPE\pipename
1438 // but in OS/2 only \PIPE\pipename
1439 lpOS2Name = (LPSTR)lpNamedPipeName + 3;
1440 }
1441 else lpOS2Name = (LPSTR)lpNamedPipeName;
1442
1443 rc=DosCallNPipe(lpOS2Name,
1444 lpInBuffer,
1445 nInBufferSize,
1446 lpOutBuffer,
1447 nOutBufferSize,
1448 lpBytesRead,
1449 nTimeOut );
1450
1451
1452 if (!rc) return (TRUE);
1453 SetLastError(error2WinError(rc,ERROR_PIPE_NOT_CONNECTED_W));
1454
1455 return (FALSE);
1456}
1457
1458//******************************************************************************
1459//******************************************************************************
1460BOOL OSLibDosTransactNamedPipe( DWORD hNamedPipe,
1461 LPVOID lpInBuffer,
1462 DWORD nInBufferSize,
1463 LPVOID lpOutBuffer,
1464 DWORD nOutBufferSize,
1465 LPDWORD lpBytesRead,
1466 LPOVERLAPPED lpOverlapped)
1467{
1468 DWORD rc;
1469
1470 rc=DosTransactNPipe(hNamedPipe,
1471 lpOutBuffer,
1472 nOutBufferSize,
1473 lpInBuffer,
1474 nInBufferSize,
1475 lpBytesRead);
1476
1477 dprintf(("DosTransactNPipe returned rc=%d");)
1478 if (!rc) return (TRUE);
1479 SetLastError(error2WinError(rc,ERROR_PIPE_NOT_CONNECTED_W));
1480
1481 return (FALSE);
1482}
1483
1484//******************************************************************************
1485//******************************************************************************
1486BOOL OSLibDosPeekNamedPipe(DWORD hPipe,
1487 LPVOID lpvBuffer,
1488 DWORD cbBuffer,
1489 LPDWORD lpcbRead,
1490 LPDWORD lpcbAvail,
1491 LPDWORD lpcbMessage)
1492{
1493 DWORD rc;
1494 AVAILDATA availData ={0};
1495 ULONG ulDummy;
1496
1497 rc=DosPeekNPipe(hPipe,lpvBuffer,cbBuffer,lpcbRead,&availData,&ulDummy);
1498
1499 dprintf(("DosPeekNPipe returned rc=%d",rc));
1500
1501 if (!rc)
1502 {
1503 *lpcbAvail = availData.cbpipe;
1504 *lpcbMessage = availData.cbmessage;
1505 return (TRUE);
1506 }
1507 SetLastError(error2WinError(rc,ERROR_PIPE_NOT_CONNECTED_W));
1508
1509 return (FALSE);
1510}
1511//******************************************************************************
1512//******************************************************************************
1513BOOL OSLibDosDisconnectNamedPipe(DWORD hPipe)
1514{
1515 DWORD rc;
1516
1517 rc=DosDisConnectNPipe(hPipe);
1518
1519 dprintf(("DosDisConnectNPipe returned rc=%d",rc));
1520
1521 if (!rc) return TRUE;
1522 SetLastError(error2WinError(rc,ERROR_PIPE_NOT_CONNECTED_W));
1523
1524 return (FALSE);
1525}
1526//******************************************************************************
1527//******************************************************************************
1528BOOL OSLibDosWaitNamedPipe(LPCSTR lpszNamedPipeName,
1529 DWORD dwTimeout)
1530{
1531 LPSTR lpOS2Name;
1532 DWORD rc;
1533
1534 if (strstr(lpszNamedPipeName,"\\\\."))
1535 {
1536 // If pipe is created on the local machine
1537 // we must delete string \\. because
1538 // in Windows named pipes scheme is a \\.\PIPE\pipename
1539 // but in OS/2 only \PIPE\pipename
1540 lpOS2Name = (LPSTR)lpszNamedPipeName + 3;
1541 }
1542 else lpOS2Name = (LPSTR)lpszNamedPipeName;
1543
1544 rc=DosWaitNPipe(lpOS2Name,dwTimeout);
1545
1546 dprintf(("DosWaitNPipe returned rc=%d",rc));
1547
1548 if (!rc) return TRUE;
1549 SetLastError(error2WinError(rc,ERROR_PIPE_NOT_CONNECTED_W));
1550
1551 return (FALSE);
1552}
1553//******************************************************************************
1554//******************************************************************************
1555BOOL isRoot(CHAR* name)
1556{
1557 if (name[1] == ':')
1558 {
1559 //local name (x:\)
1560 return (name[2] == 0) || !strchr(&name[3],'\\');
1561 } else if (name[0] == '\\')
1562 {
1563 //UNC name (\\resource\drive\)
1564 CHAR *drive,*dir;
1565
1566 drive = strchr(&name[2],'\\');
1567 if (!drive) return FALSE;
1568 dir = strchr(&drive[1],'\\');
1569 if (!dir) return TRUE;
1570 return !strchr(&dir[1],'\\');
1571 } else return FALSE; //unknown
1572}
1573//******************************************************************************
1574//******************************************************************************
1575inline CHAR system2DOSCharacter(CHAR ch)
1576{
1577 switch(ch)
1578 {
1579 case ' ':
1580 case '.':
1581 case '~':
1582 return '_';
1583
1584 default:
1585 return toupper(ch);
1586 }
1587}
1588
1589VOID long2ShortName(CHAR* longName,CHAR* shortName)
1590{
1591 INT x;
1592 CHAR *source = longName,*dest = shortName,*ext = strrchr(longName,'.');
1593
1594 if ((strcmp(longName,".") == 0) || (strcmp(longName,"..") == 0))
1595 {
1596 strcpy(shortName,longName);
1597 return;
1598 }
1599
1600 //CB: quick and dirty, real FILE~12.EXT is too slow
1601
1602 //8 character file name
1603 for (x = 0;x < 8;x++)
1604 {
1605 if ((source == ext) || (source[0] == 0)) break;
1606 dest[0] = system2DOSCharacter(source[0]);
1607 source++;
1608 dest++;
1609 }
1610
1611 if (source[0] == 0)
1612 {
1613 dest[0] = 0;
1614 return;
1615 }
1616
1617 if (source != ext)
1618 {
1619 //longName > 8 characters, insert ~1
1620 shortName[6] = '~';
1621 shortName[7] = '1';
1622 }
1623
1624 if (ext)
1625 {
1626 //add extension, 3 characters
1627 dest[0] = ext[0];
1628 dest++;
1629 ext++;
1630 for (x = 0;x < 3;x++)
1631 {
1632 if (ext[0] == 0) break;
1633 dest[0] = system2DOSCharacter(ext[0]);
1634 ext++;
1635 dest++;
1636 }
1637 }
1638 dest[0] = 0;
1639}
1640//******************************************************************************
1641//******************************************************************************
1642VOID translateFileResults(FILESTATUS3 *pResult,LPWIN32_FIND_DATAA pFind,CHAR* achName)
1643{
1644 CHAR* name;
1645
1646 pFind->dwFileAttributes = pm2WinFileAttributes(pResult->attrFile);
1647
1648 pmDateTimeToFileTime(&pResult->fdateCreation,&pResult->ftimeCreation,&pFind->ftCreationTime);
1649 pmDateTimeToFileTime(&pResult->fdateLastAccess,&pResult->ftimeLastAccess,&pFind->ftLastAccessTime);
1650 pmDateTimeToFileTime(&pResult->fdateLastWrite,&pResult->ftimeLastWrite,&pFind->ftLastWriteTime);
1651
1652 pFind->nFileSizeHigh = 0; //CB: fixme
1653 pFind->nFileSizeLow = pResult->cbFile;
1654 name = strrchr(achName,'\\');
1655 if (name)
1656 {
1657 name++;
1658 strcpy(pFind->cFileName,name);
1659 } else pFind->cFileName[0] = 0;
1660 long2ShortName(pFind->cFileName,pFind->cAlternateFileName);
1661}
1662
1663VOID translateFindResults(FILEFINDBUF3 *pResult,LPWIN32_FIND_DATAA pFind)
1664{
1665 pFind->dwFileAttributes = pm2WinFileAttributes(pResult->attrFile);
1666
1667 pmDateTimeToFileTime(&pResult->fdateCreation,&pResult->ftimeCreation,&pFind->ftCreationTime);
1668 pmDateTimeToFileTime(&pResult->fdateLastAccess,&pResult->ftimeLastAccess,&pFind->ftLastAccessTime);
1669 pmDateTimeToFileTime(&pResult->fdateLastWrite,&pResult->ftimeLastWrite,&pFind->ftLastWriteTime);
1670
1671 pFind->nFileSizeHigh = 0; //CB: fixme
1672 pFind->nFileSizeLow = pResult->cbFile;
1673 strcpy(pFind->cFileName,pResult->achName);
1674 long2ShortName(pFind->cFileName,pFind->cAlternateFileName);
1675}
1676//******************************************************************************
1677//******************************************************************************
1678DWORD OSLibDosFindFirst(LPCSTR lpFileName,WIN32_FIND_DATAA* lpFindFileData)
1679{
1680 HDIR hDir = -1;
1681 ULONG attrs;
1682 FILEFINDBUF3 result;
1683 ULONG searchCount = 1;
1684
1685 attrs = FILE_READONLY | FILE_HIDDEN | FILE_SYSTEM | FILE_DIRECTORY | FILE_ARCHIVED;
1686 result.achName[0] = 0;
1687
1688 DosError(FERR_DISABLEHARDERR | FERR_DISABLEEXCEPTION);
1689 APIRET rc = DosFindFirst((PSZ)lpFileName,&hDir,attrs,&result,sizeof(result),&searchCount,FIL_STANDARD);
1690 DosError(FERR_ENABLEHARDERR | FERR_ENABLEEXCEPTION);
1691
1692 //check root: skip "." and ".." (HPFS, not on FAT)
1693 //check in OSLibDosFindNext not necessary: "." and ".." are the first two entries
1694 if ((rc == 0) && isRoot((LPSTR)lpFileName))
1695 {
1696 while ((strcmp(result.achName,".") == 0) || (strcmp(result.achName,"..") == 0))
1697 {
1698 result.achName[0] = 0;
1699 DosError(FERR_DISABLEHARDERR | FERR_DISABLEEXCEPTION);
1700 searchCount = 1;
1701 APIRET rc = DosFindNext(hDir,&result,sizeof(result),&searchCount);
1702 DosError(FERR_ENABLEHARDERR | FERR_ENABLEEXCEPTION);
1703 if (rc)
1704 {
1705 DosFindClose(hDir);
1706 SetLastError(error2WinError(rc));
1707
1708 return INVALID_HANDLE_VALUE_W;
1709 }
1710 }
1711 }
1712 if(rc) {
1713 DosFindClose(hDir);
1714 SetLastError(error2WinError(rc));
1715 return INVALID_HANDLE_VALUE_W;
1716 }
1717 translateFindResults(&result,lpFindFileData);
1718 return hDir;
1719}
1720//******************************************************************************
1721// NOTE: returns "." and ".." in root
1722//******************************************************************************
1723DWORD OSLibDosFindFirstMulti(LPCSTR lpFileName,WIN32_FIND_DATAA *lpFindFileData,DWORD *count)
1724{
1725 HDIR hDir = -1;
1726 ULONG attrs;
1727 FILEFINDBUF3 *result,*data;
1728 ULONG searchCount = *count;
1729
1730 attrs = FILE_READONLY | FILE_HIDDEN | FILE_SYSTEM | FILE_DIRECTORY | FILE_ARCHIVED;
1731 result = (FILEFINDBUF3*)malloc(searchCount*sizeof(FILEFINDBUF3));
1732
1733 DosError(FERR_DISABLEHARDERR | FERR_DISABLEEXCEPTION);
1734 APIRET rc = DosFindFirst((PSZ)lpFileName,&hDir,attrs,result,searchCount*sizeof(FILEFINDBUF3),&searchCount,FIL_STANDARD);
1735 DosError(FERR_ENABLEHARDERR | FERR_ENABLEEXCEPTION);
1736 if (rc)
1737 {
1738 free(result);
1739 *count = 0;
1740 SetLastError(error2WinError(rc));
1741
1742 return INVALID_HANDLE_VALUE_W;
1743 }
1744
1745 data = result;
1746 for (int x = 0;x < searchCount;x++)
1747 {
1748 translateFindResults(data,&lpFindFileData[x]);
1749 data = (FILEFINDBUF3*)(((DWORD)data)+data->oNextEntryOffset);
1750 }
1751 free(result);
1752 *count = searchCount;
1753
1754 return hDir;
1755}
1756//******************************************************************************
1757//******************************************************************************
1758BOOL OSLibDosFindNext(DWORD hFindFile,WIN32_FIND_DATAA *lpFindFileData)
1759{
1760 FILEFINDBUF3 result;
1761 ULONG searchCount = 1;
1762
1763 APIRET rc = DosFindNext((HDIR)hFindFile,&result,sizeof(result),&searchCount);
1764 if (rc)
1765 {
1766 SetLastError(error2WinError(rc));
1767
1768 return FALSE;
1769 }
1770
1771 translateFindResults(&result,lpFindFileData);
1772
1773 return TRUE;
1774}
1775//******************************************************************************
1776//******************************************************************************
1777BOOL OSLibDosFindNextMulti(DWORD hFindFile,WIN32_FIND_DATAA *lpFindFileData,DWORD *count)
1778{
1779 FILEFINDBUF3 *result,*data;
1780 ULONG searchCount = *count;
1781
1782 result = (FILEFINDBUF3*)malloc(searchCount*sizeof(FILEFINDBUF3));
1783 APIRET rc = DosFindNext((HDIR)hFindFile,result,searchCount*sizeof(FILEFINDBUF3),&searchCount);
1784 if (rc)
1785 {
1786 free(result);
1787 *count = 0;
1788 SetLastError(error2WinError(rc));
1789
1790 return FALSE;
1791 }
1792
1793 data = result;
1794 for (int x = 0;x < searchCount;x++)
1795 {
1796 translateFindResults(data,&lpFindFileData[x]);
1797 data = (FILEFINDBUF3*)(((DWORD)data)+data->oNextEntryOffset);
1798 }
1799 free(result);
1800 *count = searchCount;
1801
1802 return TRUE;
1803}
1804//******************************************************************************
1805//******************************************************************************
1806BOOL OSLibDosFindClose(DWORD hFindFile)
1807{
1808 APIRET rc = DosFindClose((HDIR)hFindFile);
1809 if (rc)
1810 {
1811 SetLastError(error2WinError(rc));
1812
1813 return FALSE;
1814 }
1815
1816 return TRUE;
1817}
1818//******************************************************************************
1819#define FSATTACH_SIZE 256
1820//******************************************************************************
1821DWORD OSLibDosQueryVolumeFS(int drive, LPSTR lpFileSystemNameBuffer, DWORD nFileSystemNameSize)
1822{
1823 PFSQBUFFER2 fsinfo = (PFSQBUFFER2) alloca(FSATTACH_SIZE);
1824 ULONG cb = FSATTACH_SIZE;
1825 char drv[3] = "A:";
1826 char *fsname;
1827 APIRET rc;
1828
1829 if(lpFileSystemNameBuffer == NULL) {
1830 DebugInt3();
1831 return ERROR_INVALID_PARAMETER_W;
1832 }
1833 drv[0] = (char)('A' + drive - 1);
1834
1835 DosError(FERR_DISABLEHARDERR);
1836 rc = DosQueryFSAttach(drv, 1, FSAIL_QUERYNAME, fsinfo, &cb);
1837 DosError(FERR_ENABLEHARDERR);
1838
1839 switch(rc) {
1840 case ERROR_INVALID_DRIVE:
1841 return ERROR_INVALID_DRIVE_W;
1842 case ERROR_NO_VOLUME_LABEL:
1843 return ERROR_NO_VOLUME_LABEL_W;
1844 case NO_ERROR:
1845 break;
1846 default:
1847 return ERROR_NOT_ENOUGH_MEMORY; //whatever
1848 }
1849
1850 fsname = (char *)&fsinfo->szName[0] + fsinfo->cbName + 1;
1851 if(strlen(fsname) < nFileSystemNameSize) {
1852 strcpy(lpFileSystemNameBuffer, fsname);
1853 }
1854 else return ERROR_BUFFER_OVERFLOW_W;
1855 return 0;
1856}
1857//******************************************************************************
1858typedef struct _FSINFOBUF
1859{
1860 ULONG ulVolser; /* Volume serial number */
1861 VOLUMELABEL vol; /* Volume lable */
1862} FSINFOBUF;
1863//******************************************************************************
1864DWORD OSLibDosQueryVolumeSerialAndName(int drive, LPDWORD lpVolumeSerialNumber,
1865 LPSTR lpVolumeNameBuffer, DWORD nVolumeNameSize)
1866{
1867 FSINFOBUF fsi;
1868 APIRET rc;
1869
1870 DosError(FERR_DISABLEHARDERR);
1871 rc = DosQueryFSInfo(drive, FSIL_VOLSER, &fsi, sizeof(fsi));
1872 DosError(FERR_ENABLEHARDERR);
1873
1874 switch(rc) {
1875 case ERROR_INVALID_DRIVE:
1876 return ERROR_INVALID_DRIVE_W;
1877 case ERROR_NO_VOLUME_LABEL:
1878 return ERROR_NO_VOLUME_LABEL_W;
1879 case NO_ERROR:
1880 break;
1881 default:
1882 return ERROR_NOT_ENOUGH_MEMORY; //whatever
1883 }
1884
1885 if(lpVolumeSerialNumber) {
1886 *lpVolumeSerialNumber = fsi.ulVolser;
1887 }
1888 if(lpVolumeNameBuffer)
1889 {
1890 if(nVolumeNameSize > fsi.vol.cch) {
1891 strcpy(lpVolumeNameBuffer, (PCHAR)fsi.vol.szVolLabel);
1892 }
1893 else return ERROR_BUFFER_OVERFLOW_W;
1894 }
1895
1896 return ERROR_SUCCESS_W;
1897}
1898//******************************************************************************
1899//******************************************************************************
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