source: trunk/src/kernel32/oslibdos.cpp@ 4235

Last change on this file since 4235 was 4235, checked in by bird, 25 years ago

Added/extended some OSLib calls.
File size: 61.8 KB
Line 
1/* $Id: oslibdos.cpp,v 1.41 2000-09-12 04:27:44 bird 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 * Copyright 2000 knut st. osmundsen (knut.stange.osmundsen@mynd.no)
10 *
11 * Project Odin Software License can be found in LICENSE.TXT
12 *
13 */
14#define INCL_BASE
15#define INCL_DOSEXCEPTIONS
16#define INCL_DOSMEMMGR
17#define INCL_DOSPROCESS
18#define INCL_DOSFILEMGR
19#define INCL_DOSERRORS
20#define INCL_NPIPES
21#include <os2wrap.h> //Odin32 OS/2 api wrappers
22#include <stdlib.h>
23#include <stdio.h>
24#include <string.h>
25#include <ctype.h>
26#include <win32api.h>
27#include <winconst.h>
28#include <misc.h>
29#include "initterm.h"
30#include "oslibdos.h"
31#include "dosqss.h"
32
33#define DBG_LOCALLOG DBG_oslibdos
34#include "dbglocal.h"
35
36static PROC_DosSetFileSizeL DosSetFileSizeLProc = 0;
37static PROC_DosSetFilePtrL DosSetFilePtrLProc = 0;
38static PROC_DosSetFileLocksL DosSetFileLocksLProc = 0;
39static BOOL f64BitIO = FALSE;
40//******************************************************************************
41//******************************************************************************
42void OSLibInitWSeBFileIO()
43{
44 HMODULE hDoscalls;
45
46 if(DosQueryModuleHandle("DOSCALLS", &hDoscalls) != NO_ERROR) {
47 return;
48 }
49 if(DosQueryProcAddr(hDoscalls, 989, NULL, (PFN *)&DosSetFileSizeLProc) != NO_ERROR) {
50 return;
51 }
52 if(DosQueryProcAddr(hDoscalls, 988, NULL, (PFN *)&DosSetFilePtrLProc) != NO_ERROR) {
53 return;
54 }
55 if(DosQueryProcAddr(hDoscalls, 986, NULL, (PFN *)&DosSetFileLocksLProc) != NO_ERROR) {
56 return;
57 }
58 f64BitIO = TRUE;
59}
60//******************************************************************************
61//******************************************************************************
62APIRET OdinDosSetFileSizeL(HFILE hFile, LONGLONG cbSize)
63{
64 APIRET yyrc;
65 USHORT sel = RestoreOS2FS();
66
67 yyrc = DosSetFileSizeLProc(hFile, cbSize);
68 SetFS(sel);
69
70 return yyrc;
71}
72//******************************************************************************
73//******************************************************************************
74APIRET OdinDosSetFilePtrL(HFILE hFile, LONGLONG ib, ULONG method, PLONGLONG ibActual)
75{
76 APIRET yyrc;
77 USHORT sel = RestoreOS2FS();
78
79 yyrc = DosSetFilePtrLProc(hFile, ib, method, ibActual);
80 SetFS(sel);
81
82 return yyrc;
83}
84//******************************************************************************
85//******************************************************************************
86APIRET OdinDosSetFileLocksL(HFILE hFile, PFILELOCKL pflUnlock, PFILELOCKL pflLock,
87 ULONG timeout, ULONG flags)
88{
89 APIRET yyrc;
90 USHORT sel = RestoreOS2FS();
91
92 yyrc = DosSetFileLocksLProc(hFile, pflUnlock, pflLock, timeout, flags);
93 SetFS(sel);
94
95 return yyrc;
96}
97//******************************************************************************
98// translate OS/2 error codes to Windows codes
99// NOTE: add all codes you need, list is not complete!
100//******************************************************************************
101DWORD error2WinError(APIRET rc,DWORD defaultCode = ERROR_NOT_ENOUGH_MEMORY_W)
102{
103 switch (rc)
104 {
105 case NO_ERROR: //0
106 return ERROR_SUCCESS_W;
107
108 case ERROR_INVALID_FUNCTION: //1
109 return ERROR_INVALID_FUNCTION_W;
110
111 case ERROR_FILE_NOT_FOUND: //2
112 return ERROR_FILE_NOT_FOUND_W;
113
114 case ERROR_PATH_NOT_FOUND: //3
115 return ERROR_PATH_NOT_FOUND_W;
116
117 case ERROR_TOO_MANY_OPEN_FILES: //4
118 return ERROR_TOO_MANY_OPEN_FILES_W;
119
120 case ERROR_ACCESS_DENIED: //5
121 return ERROR_ACCESS_DENIED_W;
122
123 case ERROR_INVALID_HANDLE: //6
124 return ERROR_INVALID_HANDLE_W;
125
126 case ERROR_NOT_ENOUGH_MEMORY: //8
127 return ERROR_NOT_ENOUGH_MEMORY_W;
128
129 case ERROR_BAD_FORMAT: //11
130 return ERROR_BAD_FORMAT_W;
131
132 case ERROR_INVALID_ACCESS: //12
133 return ERROR_INVALID_ACCESS_W;
134
135 case ERROR_NO_MORE_FILES: //18
136 return ERROR_NO_MORE_FILES_W;
137
138 case ERROR_WRITE_PROTECT: //19
139 return ERROR_WRITE_PROTECT_W;
140
141 case ERROR_NOT_DOS_DISK: //26
142 return ERROR_NOT_DOS_DISK_W;
143
144 case ERROR_WRITE_FAULT: //29
145 return ERROR_WRITE_FAULT_W;
146
147 case ERROR_SHARING_VIOLATION: //32
148 return ERROR_SHARING_VIOLATION_W;
149
150 case ERROR_LOCK_VIOLATION: //32
151 return ERROR_LOCK_VIOLATION_W;
152
153 case ERROR_SHARING_BUFFER_EXCEEDED: //36
154 return ERROR_SHARING_BUFFER_EXCEEDED_W;
155
156 case ERROR_CANNOT_MAKE: //82
157 return ERROR_CANNOT_MAKE_W;
158
159 case ERROR_OUT_OF_STRUCTURES: //84
160 return ERROR_OUT_OF_STRUCTURES_W;
161
162 case ERROR_INVALID_PARAMETER: //87
163 return ERROR_INVALID_PARAMETER_W;
164
165 case ERROR_INTERRUPT: //95
166 return ERROR_INVALID_AT_INTERRUPT_TIME_W; //CB: right???
167
168 case ERROR_DEVICE_IN_USE: //99
169 return ERROR_DEVICE_IN_USE_W;
170
171 case ERROR_DRIVE_LOCKED: //108
172 return ERROR_DRIVE_LOCKED_W;
173
174 case ERROR_BROKEN_PIPE: //109
175 return ERROR_BROKEN_PIPE_W;
176
177 case ERROR_OPEN_FAILED: //110
178 return ERROR_OPEN_FAILED_W;
179
180 case ERROR_BUFFER_OVERFLOW: //111
181 return ERROR_BUFFER_OVERFLOW_W;
182
183 case ERROR_DISK_FULL: //112
184 return ERROR_DISK_FULL_W;
185
186 case ERROR_NO_MORE_SEARCH_HANDLES: //113
187 return ERROR_NO_MORE_SEARCH_HANDLES_W;
188
189 case ERROR_SEM_TIMEOUT: //121
190 return ERROR_SEM_TIMEOUT_W;
191
192 case ERROR_DIRECT_ACCESS_HANDLE: //130
193 return ERROR_DIRECT_ACCESS_HANDLE_W;
194
195 case ERROR_NEGATIVE_SEEK: //131
196 return ERROR_NEGATIVE_SEEK;
197
198 case ERROR_SEEK_ON_DEVICE: //132
199 return ERROR_SEEK_ON_DEVICE_W;
200
201 case ERROR_DISCARDED: //157
202 return ERROR_DISCARDED_W;
203
204 case ERROR_FILENAME_EXCED_RANGE: //206
205 return ERROR_FILENAME_EXCED_RANGE_W;
206
207 case ERROR_META_EXPANSION_TOO_LONG: //208
208 return ERROR_META_EXPANSION_TOO_LONG_W;
209
210 case ERROR_BAD_PIPE: //230
211 return ERROR_BAD_PIPE_W;
212
213 case ERROR_PIPE_BUSY: //231
214 return ERROR_PIPE_BUSY_W;
215
216 case ERROR_NO_DATA: //232
217 return ERROR_NO_DATA_W;
218
219 case ERROR_PIPE_NOT_CONNECTED: //233
220 return ERROR_PIPE_NOT_CONNECTED_W;
221
222 case ERROR_MORE_DATA: //234
223 return ERROR_MORE_DATA_W;
224
225 case ERROR_INVALID_EA_NAME: //254
226 return ERROR_INVALID_EA_NAME_W;
227
228 case ERROR_EA_LIST_INCONSISTENT: //255
229 return ERROR_EA_LIST_INCONSISTENT_W;
230
231 case ERROR_EAS_DIDNT_FIT: //275
232 return ERROR_EAS_DIDNT_FIT;
233
234 default:
235 dprintf(("WARNING: error2WinError: error %d not included!!!!", rc));
236 return defaultCode;
237 }
238}
239//******************************************************************************
240//TODO: Assumes entire memory range has the same protection flags!
241//TODO: Check if this works for code aliases...
242//******************************************************************************
243DWORD OSLibDosAliasMem(LPVOID pb, ULONG cb, LPVOID *ppbAlias, ULONG fl)
244{
245 DWORD rc;
246 DWORD attr;
247 DWORD size = cb;
248
249 cb = (cb-1) & ~0xfff;
250 cb+= PAGE_SIZE;
251
252 rc = DosQueryMem(pb, &size, &attr);
253 if(rc) {
254 dprintf(("OSLibDosAliasMem: DosQueryMem %x %x return %d", pb, size, rc));
255 return rc;
256 }
257 size = (size-1) & ~0xfff;
258 size+= PAGE_SIZE;
259 if(size != cb) {
260 dprintf(("ERROR: OSLibDosAliasMem: size != cb (%x!=%x)!!!!!!!!", size, cb));
261 //ignore this and continue return 5;
262 attr = fl; //just use original protection flags (NOT CORRECT)
263 }
264 attr &= (PAG_READ|PAG_WRITE|PAG_EXECUTE|PAG_GUARD|PAG_DEFAULT);
265 if(attr != fl) {
266 rc = DosSetMem(pb, size, fl);
267 if(rc) {
268 dprintf(("OSLibDosAliasMem: DosSetMem %x %x return %d", pb, size, rc));
269 attr = fl;
270 //just continue for now
271 //return rc;
272 }
273 }
274 rc = DosAliasMem(pb, cb, ppbAlias, 2);
275 if(rc) {
276 dprintf(("OSLibDosAliasMem: DosAliasMem %x %x returned %d", pb, cb, rc));
277 return rc;
278 }
279 if(attr != fl) {
280 rc = DosSetMem(pb, size, attr);
281 if(rc) {
282 dprintf(("OSLibDosAliasMem: DosSetMem (2) %x %x return %d", pb, size, rc));
283 return rc;
284 }
285 }
286 return 0;
287}
288//******************************************************************************
289//NT returns addresses aligned at 64k, so we do too.
290//******************************************************************************
291DWORD OSLibDosAllocMem(LPVOID *lplpMemAddr, DWORD size, DWORD flags)
292{
293 LPVOID memaddr;
294 DWORD offset;
295 APIRET rc;
296
297 rc = DosAllocMem(&memaddr, size, PAG_READ | flAllocMem);
298 if(rc) {
299 return rc;
300 }
301 DosEnterCritSec();
302 DosFreeMem(memaddr);
303 offset = (DWORD)memaddr & 0xFFFF;
304 if(offset) {
305 DosAllocMem(&memaddr, 64*1024 - offset, PAG_READ | flAllocMem);
306 }
307 rc = DosAllocMem(lplpMemAddr, size, flags | flAllocMem);
308 DosExitCritSec();
309 if((DWORD)*lplpMemAddr & 0xFFFF) {//still not at 64k boundary?
310 DosFreeMem(*lplpMemAddr);
311 rc = OSLibDosAllocMem(lplpMemAddr, size, flags);
312 }
313 if(offset) {
314 DosFreeMem(memaddr);
315 }
316
317 return rc;
318}
319//******************************************************************************
320//******************************************************************************
321DWORD OSLibDosFreeMem(LPVOID lpMemAddr)
322{
323 return DosFreeMem(lpMemAddr);
324}
325//******************************************************************************
326//NOTE: If name == NULL, allocated gettable unnamed shared memory
327//******************************************************************************
328DWORD OSLibDosAllocSharedMem(LPVOID *lplpMemAddr, DWORD size, DWORD flags, LPSTR name)
329{
330 APIRET rc;
331 char *sharedmemname = NULL;
332
333 if(name) {
334 sharedmemname = (char *)malloc(strlen(name) + 16);
335 strcpy(sharedmemname, "\\SHAREMEM\\");
336 strcat(sharedmemname, name);
337 }
338 else flags |= OBJ_GETTABLE;
339
340 rc = DosAllocSharedMem(lplpMemAddr, sharedmemname, size, flags);
341 if(name) {
342 free(sharedmemname);
343 }
344 return rc;
345}
346//******************************************************************************
347//NOTE: If name == NULL, assume gettable unnamed shared memory
348//******************************************************************************
349DWORD OSLibDosGetNamedSharedMem(LPVOID *lplpMemAddr, LPSTR name)
350{
351 APIRET rc;
352 char *sharedmemname = NULL;
353
354 if(name) {
355 sharedmemname = (char *)malloc(strlen(name) + 16);
356 strcpy(sharedmemname, "\\SHAREMEM\\");
357 strcat(sharedmemname, name);
358 rc = DosGetNamedSharedMem(lplpMemAddr, sharedmemname, PAG_READ|PAG_WRITE);
359 if(name) {
360 free(sharedmemname);
361 }
362 }
363 else rc = DosGetSharedMem((LPVOID)*(DWORD *)lplpMemAddr, PAG_READ|PAG_WRITE);
364
365 return rc;
366}
367//******************************************************************************
368//******************************************************************************
369DWORD OSLibDosQueryMem(LPVOID lpMemAddr, DWORD *lpRangeSize, DWORD *lpAttr)
370{
371 return DosQueryMem(lpMemAddr, lpRangeSize, lpAttr);
372}
373//******************************************************************************
374//******************************************************************************
375DWORD OSLibDosSetMem(LPVOID lpMemAddr, DWORD size, DWORD flags)
376{
377 APIRET rc;
378
379 rc = DosSetMem(lpMemAddr, size, flags);
380 switch(rc) {
381 case ERROR_INVALID_ADDRESS:
382 return OSLIB_ERROR_INVALID_ADDRESS;
383 case ERROR_ACCESS_DENIED:
384 return OSLIB_ERROR_ACCESS_DENIED;
385 default:
386 return rc;
387 }
388}
389//******************************************************************************
390//******************************************************************************
391DWORD OSLibDosOpen(char *lpszFileName, DWORD flags)
392{
393 APIRET rc;
394 HFILE hFile;
395 ULONG ulAction;
396 DWORD os2flags = OPEN_FLAGS_NOINHERIT;
397
398
399 if(flags & OSLIB_ACCESS_READONLY)
400 os2flags |= OPEN_ACCESS_READONLY;
401 else
402 if(flags & OSLIB_ACCESS_READWRITE)
403 os2flags |= OPEN_ACCESS_READWRITE;
404
405 if(flags & OSLIB_ACCESS_SHAREDENYNONE)
406 os2flags |= OPEN_SHARE_DENYNONE;
407 else
408 if(flags & OSLIB_ACCESS_SHAREDENYREAD)
409 os2flags |= OPEN_SHARE_DENYREAD;
410 else
411 if(flags & OSLIB_ACCESS_SHAREDENYWRITE)
412 os2flags |= OPEN_SHARE_DENYWRITE;
413
414tryopen:
415 rc = DosOpen(lpszFileName, /* File path name */
416 &hFile, /* File handle */
417 &ulAction, /* Action taken */
418 0L, /* File primary allocation */
419 0L, /* File attribute */
420 OPEN_ACTION_FAIL_IF_NEW |
421 OPEN_ACTION_OPEN_IF_EXISTS, /* Open function type */
422 os2flags,
423 0L); /* No extended attribute */
424
425 if(rc) {
426 if(rc == ERROR_TOO_MANY_OPEN_FILES) {
427 ULONG CurMaxFH;
428 LONG ReqCount = 32;
429
430 rc = DosSetRelMaxFH(&ReqCount, &CurMaxFH);
431 if(rc) {
432 dprintf(("DosSetRelMaxFH returned %d", rc));
433 return 0;
434 }
435 dprintf(("DosOpen failed -> increased nr open files to %d", CurMaxFH));
436 goto tryopen;
437 }
438 return 0;
439 }
440 else return hFile;
441}
442//******************************************************************************
443//******************************************************************************
444BOOL OSLibDosClose(DWORD hFile)
445{
446 APIRET rc;
447
448 rc = DosClose(hFile);
449 SetLastError(error2WinError(rc));
450 return (rc == NO_ERROR);
451}
452//******************************************************************************
453//******************************************************************************
454DWORD OSLibDosChangeMaxFileHandles()
455{
456 ULONG CurMaxFH;
457 LONG ReqCount = 0;
458 APIRET rc;
459
460 rc = DosSetRelMaxFH(&ReqCount, &CurMaxFH);
461 if(rc) {
462 dprintf(("DosSetRelMaxFH returned %d", rc));
463 return rc;
464 }
465 if(ReqCount + ODIN_INCREMENT_MAX_FILEHANDLES > CurMaxFH) {
466 ReqCount = CurMaxFH + ODIN_INCREMENT_MAX_FILEHANDLES;
467 rc = DosSetRelMaxFH(&ReqCount, &CurMaxFH);
468 if(rc) {
469 dprintf(("DosSetRelMaxFH returned %d", rc));
470 return rc;
471 }
472 }
473 return 0;
474}
475//******************************************************************************
476//******************************************************************************
477DWORD OSLibDosSetInitialMaxFileHandles(DWORD maxhandles)
478{
479 ULONG CurMaxFH;
480 LONG ReqCount = 0;
481 APIRET rc;
482
483 rc = DosSetRelMaxFH(&ReqCount, &CurMaxFH);
484 if(rc) {
485 dprintf(("DosSetRelMaxFH returned %d", rc));
486 return rc;
487 }
488 if(CurMaxFH < maxhandles) {
489 rc = DosSetMaxFH(maxhandles);
490 if(rc) {
491 dprintf(("DosSetMaxFH returned %d", rc));
492 return rc;
493 }
494 }
495 return 0;
496}
497//******************************************************************************
498//******************************************************************************
499BOOL OSLibDosRead(DWORD hFile, LPVOID lpBuffer, DWORD size, DWORD *nrBytesRead)
500{
501 APIRET rc;
502
503 rc = DosRead(hFile, lpBuffer, size, nrBytesRead);
504 SetLastError(error2WinError(rc));
505 return (rc == NO_ERROR);
506}
507//******************************************************************************
508//******************************************************************************
509BOOL OSLibDosWrite(DWORD hFile, LPVOID lpBuffer, DWORD size, DWORD *nrBytesWritten)
510{
511 APIRET rc;
512
513 rc = DosWrite(hFile, lpBuffer, size, nrBytesWritten);
514 SetLastError(error2WinError(rc));
515 return (rc == NO_ERROR);
516}
517//******************************************************************************
518//******************************************************************************
519DWORD OSLibDosSetFilePtr(DWORD hFile, DWORD offset, DWORD method)
520{
521 DWORD os2method;
522 DWORD newoffset;
523 APIRET rc;
524
525 switch(method)
526 {
527 case OSLIB_SETPTR_FILE_CURRENT:
528 os2method = FILE_CURRENT;
529 break;
530 case OSLIB_SETPTR_FILE_BEGIN:
531 os2method = FILE_BEGIN ;
532 break;
533 case OSLIB_SETPTR_FILE_END:
534 os2method = FILE_END;
535 break;
536 default:
537 return OSLIB_ERROR_INVALID_PARAMETER;
538 }
539
540 rc = DosSetFilePtr(hFile, offset, os2method, &newoffset);
541 if(rc)
542 {
543 SetLastError(error2WinError(rc));
544 return -1;
545 }
546 else return newoffset;
547}
548//******************************************************************************
549//******************************************************************************
550BOOL OSLibDosDelete(char *lpszFileName)
551{
552 APIRET rc;
553
554 rc = DosDelete(lpszFileName);
555 if(rc) {
556 SetLastError(error2WinError(rc));
557 return FALSE;
558 }
559 return TRUE;
560}
561//******************************************************************************
562//******************************************************************************
563BOOL pmDateTimeToFileTime(FDATE *pDate,FTIME *pTime,FILETIME *pFT)
564{
565 USHORT dosTime, dosDate;
566
567 dosTime = *(USHORT*)pTime;
568 dosDate = *(USHORT*)pDate;
569
570 return DosDateTimeToFileTime(dosDate,dosTime,pFT);
571}
572//******************************************************************************
573//******************************************************************************
574#define NOT_NORMAL (FILE_ATTRIBUTE_READONLY_W | \
575 FILE_ATTRIBUTE_HIDDEN_W | \
576 FILE_ATTRIBUTE_SYSTEM_W | \
577 FILE_ATTRIBUTE_ARCHIVE_W)
578
579inline DWORD pm2WinFileAttributes(DWORD attrFile)
580{
581 DWORD res = 0;
582
583 if (!(attrFile & NOT_NORMAL))
584 res |= FILE_ATTRIBUTE_NORMAL_W;
585 if (attrFile & FILE_READONLY)
586 res |= FILE_ATTRIBUTE_READONLY_W;
587 if (attrFile & FILE_HIDDEN)
588 res |= FILE_ATTRIBUTE_HIDDEN_W;
589 if (attrFile & FILE_SYSTEM)
590 res |= FILE_ATTRIBUTE_SYSTEM_W;
591 if (attrFile & FILE_DIRECTORY)
592 res |= FILE_ATTRIBUTE_DIRECTORY_W;
593 if (attrFile & FILE_ARCHIVED)
594 res |= FILE_ATTRIBUTE_ARCHIVE_W;
595
596 //CB: not used: FILE_ATTRIBUTE_COMPRESSED_W
597
598 return res;
599}
600//******************************************************************************
601//******************************************************************************
602BOOL OSLibDosGetFileAttributesEx(PSZ pszName,
603 ULONG ulDummy,
604 PVOID pBuffer)
605{
606 APIRET rc; /* API return code */
607 FILESTATUS3 fs3; /* file information structure */
608 LPWIN32_FILE_ATTRIBUTE_DATA lpFad = (LPWIN32_FILE_ATTRIBUTE_DATA) pBuffer;
609
610 // Note: we only handle standard "GetFileExInfoStandard" requests
611 rc = DosQueryPathInfo(pszName, /* query the file information */
612 FIL_STANDARD,
613 &fs3,
614 sizeof(fs3));
615 if (rc != NO_ERROR) /* check for errors */
616 return FALSE; /* raise error condition */
617
618 // convert structure
619 lpFad->dwFileAttributes = pm2WinFileAttributes(fs3.attrFile);
620 pmDateTimeToFileTime(&fs3.fdateCreation, &fs3.ftimeCreation, &lpFad->ftCreationTime);
621 pmDateTimeToFileTime(&fs3.fdateLastAccess, &fs3.ftimeLastAccess, &lpFad->ftLastAccessTime);
622 pmDateTimeToFileTime(&fs3.fdateLastWrite, &fs3.ftimeLastWrite, &lpFad->ftLastWriteTime);
623
624 /* @@@PH we might add Aurora support ...
625 lpFad->nFileSizeHigh = info.nFileSizeHigh;
626 */
627 lpFad->nFileSizeHigh = 0;
628 lpFad->nFileSizeLow = fs3.cbFile;
629
630 return TRUE;
631}
632//******************************************************************************
633DWORD WIN32API GetEnvironmentVariableA(LPCSTR, LPSTR, DWORD );
634//******************************************************************************
635DWORD OSLibDosSearchPath(DWORD cmd, char *path, char *name, char *full_name,
636 DWORD length_fullname)
637{
638 switch(cmd) {
639 case OSLIB_SEARCHDIR:
640 if(DosSearchPath(SEARCH_IGNORENETERRS, path,
641 name, full_name, length_fullname) != 0) {
642 return 0;
643 }
644 return strlen(full_name);
645
646
647 case OSLIB_SEARCHCURDIR:
648 if(DosSearchPath(SEARCH_IGNORENETERRS | SEARCH_CUR_DIRECTORY, path,
649 name, full_name, length_fullname) != 0) {
650 return 0;
651 }
652 return strlen(full_name);
653
654 case OSLIB_SEARCHFILE:
655 {
656 FILESTATUS3 fileinfo;
657
658 if(DosQueryPathInfo(name, FIL_STANDARD, &fileinfo, sizeof(fileinfo)) != 0) {
659 return 0;
660 }
661 strncpy(full_name, name, length_fullname);
662 full_name[length_fullname-1] = 0;
663 return strlen(full_name);
664 }
665
666 case OSLIB_SEARCHENV:
667 {
668 LPSTR envstring;
669 int envsize;
670 CHAR szResult[CCHMAXPATH];
671
672 envsize = GetEnvironmentVariableA(path, NULL, 0);
673 envstring = (LPSTR)malloc(envsize+1);
674 GetEnvironmentVariableA(path, envstring, envsize);
675 if(DosSearchPath(SEARCH_IGNORENETERRS, envstring,
676 name, szResult, sizeof(szResult)) != 0) {
677 free(envstring);
678 return 0;
679 }
680 free(envstring);
681 strcpy(full_name, szResult);
682 return strlen(full_name);
683 }
684 }
685 return 0;
686}
687//******************************************************************************
688//******************************************************************************
689DWORD OSLibDosQueryPathInfo(CHAR *pszPathName,
690 ULONG ulInfoLevel,
691 PVOID pInfoBuf,
692 ULONG cbInfoBuf)
693{
694 APIRET rc = DosQueryPathInfo( pszPathName, ulInfoLevel,
695 pInfoBuf, cbInfoBuf );
696
697 if(rc == ERROR_TOO_MANY_OPEN_FILES)
698 {
699 LONG reqCount = 2;
700 ULONG maxFiles;
701
702 if(DosSetRelMaxFH(&reqCount, &maxFiles) == NO_ERROR)
703 rc = DosQueryPathInfo(pszPathName, ulInfoLevel,
704 pInfoBuf, cbInfoBuf );
705 }
706 return rc;
707}
708//******************************************************************************
709//******************************************************************************
710DWORD OSLibDosCreateFile(CHAR *lpszFile,
711 DWORD fuAccess,
712 DWORD fuShare,
713 LPSECURITY_ATTRIBUTES lpSecurityAttributes,
714 DWORD fuCreate,
715 DWORD fuAttrFlags,
716 HANDLE hTemplateFile)
717{
718 HFILE hFile;
719 ULONG actionTaken = 0;
720 ULONG fileSize = 0;
721 ULONG fileAttr = FILE_NORMAL;
722 ULONG openFlag = 0;
723 ULONG openMode = 0;
724 APIRET rc = ERROR_NOT_ENOUGH_MEMORY;;
725
726 //TODO: lpSecurityAttributes (inheritance)
727
728 if(fuAttrFlags & FILE_ATTRIBUTE_ARCHIVE_W)
729 fileAttr |= FILE_ARCHIVED;
730 if(fuAttrFlags & FILE_ATTRIBUTE_HIDDEN_W)
731 fileAttr |= FILE_HIDDEN;
732 if(fuAttrFlags & FILE_ATTRIBUTE_SYSTEM_W)
733 fileAttr |= FILE_SYSTEM;
734 if(fuAttrFlags & FILE_ATTRIBUTE_READONLY_W)
735 fileAttr |= FILE_READONLY;
736 // TODO: FILE_ATTRIBUTE_TEMPORARY_W
737
738 switch(fuCreate)
739 {
740 case CREATE_NEW_W:
741 openFlag |= OPEN_ACTION_CREATE_IF_NEW | OPEN_ACTION_FAIL_IF_EXISTS;
742 break;
743 case CREATE_ALWAYS_W:
744 openFlag |= OPEN_ACTION_CREATE_IF_NEW | OPEN_ACTION_REPLACE_IF_EXISTS;
745 break;
746 case OPEN_EXISTING_W:
747 openFlag |= OPEN_ACTION_FAIL_IF_NEW | OPEN_ACTION_OPEN_IF_EXISTS;
748 break;
749 case OPEN_ALWAYS_W:
750 openFlag |= OPEN_ACTION_CREATE_IF_NEW | OPEN_ACTION_OPEN_IF_EXISTS;
751 break;
752 case TRUNCATE_EXISTING_W:
753 openFlag |= OPEN_ACTION_FAIL_IF_NEW | OPEN_ACTION_REPLACE_IF_EXISTS;
754 break;
755 }
756
757 if(fuAttrFlags & FILE_FLAG_WRITE_THROUGH_W) openMode |= OPEN_FLAGS_WRITE_THROUGH;
758 if(fuAttrFlags & FILE_FLAG_NO_BUFFERING_W) openMode |= OPEN_FLAGS_NO_CACHE;
759 if(fuAttrFlags & FILE_FLAG_RANDOM_ACCESS_W) openMode |= OPEN_FLAGS_RANDOM;
760 if(fuAttrFlags & FILE_FLAG_SEQUENTIAL_SCAN_W) openMode |= OPEN_FLAGS_SEQUENTIAL;
761 // TODO: FILE_FLAG_BACKUP_SEMANTICS_W
762 // FILE_FLAG_POSIX_SEMANTICS_W are not supported
763
764 //TODO: FILE_SHARE_DELETE
765 if((fuShare & (FILE_SHARE_READ_W | FILE_SHARE_WRITE_W)) == 0 )
766 openMode |= OPEN_SHARE_DENYREADWRITE;
767 else
768 if((fuShare & (FILE_SHARE_READ_W | FILE_SHARE_WRITE_W)) == (FILE_SHARE_READ_W | FILE_SHARE_WRITE_W))
769 openMode |= OPEN_SHARE_DENYNONE;
770 else
771 if(fuShare & FILE_SHARE_READ_W)
772 openMode |= OPEN_SHARE_DENYWRITE;
773 else
774 if(fuShare & FILE_SHARE_WRITE_W)
775 openMode |= OPEN_SHARE_DENYREAD;
776
777 if(fuAccess == (GENERIC_READ_W | GENERIC_WRITE_W))
778 openMode |= OPEN_ACCESS_READWRITE;
779 else
780 if(fuAccess & GENERIC_READ_W)
781 openMode |= OPEN_ACCESS_READONLY;
782 else
783 if(fuAccess & GENERIC_WRITE_W)
784 openMode |= OPEN_ACCESS_WRITEONLY;
785
786#if 0
787 //SvL: Not true; verified in NT! (also messed up access of files on
788 // readonly volumes)
789 // CreateFile with OPEN_ALWAYS & GENERIC_READ on non-existing file
790 // -> creates 0 size file, WriteFile is not allowed
791 // Same in OS/2.
792 /* if creating a file, access cannot be readonly! */
793 if (openFlag & OPEN_ACTION_CREATE_IF_NEW &&
794 (!(openMode & OPEN_ACCESS_READWRITE) &&
795 !(openMode & OPEN_ACCESS_WRITEONLY))) {
796 openMode |= OPEN_ACCESS_READWRITE;
797 }
798#endif
799
800 int retry = 0;
801 while(retry < 2)
802 {
803 dprintf(("DosOpen %s openFlag=%x openMode=%x", lpszFile, openFlag, openMode));
804 rc = DosOpen((PSZ)lpszFile,
805 &hFile,
806 &actionTaken,
807 fileSize,
808 fileAttr,
809 openFlag,
810 openMode,
811 NULL);
812 if(rc == ERROR_TOO_MANY_OPEN_FILES)
813 {
814 ULONG CurMaxFH;
815 LONG ReqCount = 32;
816
817 rc = DosSetRelMaxFH(&ReqCount, &CurMaxFH);
818 if(rc) {
819 dprintf(("DosSetRelMaxFH returned %d", rc));
820 SetLastError(ERROR_TOO_MANY_OPEN_FILES_W);
821 return INVALID_HANDLE_VALUE_W;
822 }
823 dprintf(("DosOpen failed -> increased nr open files to %d", CurMaxFH));
824 }
825 else break;
826 retry++;
827 }
828
829 if(rc)
830 {
831 SetLastError(error2WinError(rc));
832 return INVALID_HANDLE_VALUE_W;
833 }
834 SetLastError(ERROR_SUCCESS_W);
835 return hFile;
836}
837//******************************************************************************
838//******************************************************************************
839DWORD OSLibDosOpenFile(CHAR *lpszFile, UINT fuMode)
840{
841 ULONG actionTaken = 0;
842 ULONG fileSize = 0;
843 ULONG fileAttr = FILE_NORMAL;
844 ULONG openFlag = 0;
845 ULONG openMode = 0;
846 APIRET rc = ERROR_NOT_ENOUGH_MEMORY;
847 HFILE hFile;
848
849 if(!(fuMode & (OF_CREATE_W | OF_READWRITE_W | OF_WRITE_W)))
850 {
851 openMode |= OPEN_ACCESS_READONLY;
852 openFlag |= OPEN_ACTION_OPEN_IF_EXISTS;
853 }
854 else
855 {
856 if(fuMode & OF_CREATE_W) {
857 openFlag |= OPEN_ACTION_CREATE_IF_NEW |
858 OPEN_ACTION_REPLACE_IF_EXISTS;
859 }
860 else openFlag |= OPEN_ACTION_OPEN_IF_EXISTS; //180575
861
862 if(fuMode & OF_READWRITE_W)
863 openMode |= OPEN_ACCESS_READWRITE;
864 else
865 if(fuMode & OF_WRITE_W)
866 openMode |= OPEN_ACCESS_WRITEONLY;
867 else
868 if(fuMode & OF_CREATE_W)
869 openMode |= OPEN_ACCESS_READWRITE;
870 }
871
872 if((fuMode & OF_SHARE_DENY_WRITE_W) ||
873 !(fuMode & (OF_SHARE_DENY_READ_W | OF_SHARE_DENY_NONE_W | OF_SHARE_EXCLUSIVE_W)))
874 openMode |= OPEN_SHARE_DENYWRITE;
875 else
876 if (fuMode & OF_SHARE_DENY_NONE_W)
877 openMode |= OPEN_SHARE_DENYNONE;
878 else
879 if (fuMode & OF_SHARE_DENY_READ_W)
880 openMode |= OPEN_SHARE_DENYREAD;
881 else
882 if (fuMode & OF_SHARE_EXCLUSIVE_W)
883 openMode |= OPEN_SHARE_DENYREADWRITE;
884
885 rc = DosOpen((PSZ)lpszFile,
886 &hFile,
887 &actionTaken,
888 fileSize,
889 fileAttr,
890 openFlag,
891 openMode,
892 NULL);
893
894 if(rc != NO_ERROR)
895 {
896 if(fuMode & OF_EXIST_W)
897 {
898 if(rc == ERROR_OPEN_FAILED || rc == ERROR_FILE_NOT_FOUND)
899 {
900 SetLastError(ERROR_FILE_NOT_FOUND_W);
901 return HFILE_ERROR_W;
902 }
903 }
904 if((rc == ERROR_OPEN_FAILED) && (openFlag & OPEN_ACTION_OPEN_IF_EXISTS))
905 {
906 SetLastError(ERROR_FILE_NOT_FOUND_W);
907 }
908 else SetLastError(error2WinError(rc));
909
910 return HFILE_ERROR_W;
911 }
912 SetLastError(ERROR_SUCCESS_W);
913 return hFile;
914}
915//******************************************************************************
916//******************************************************************************
917BOOL OSLibDosLockFile(DWORD hFile, DWORD dwFlags,
918 DWORD OffsetLow, DWORD OffsetHigh,
919 DWORD nNumberOfBytesToLockLow, DWORD nNumberOfBytesToLockHigh,
920 LPOVERLAPPED lpOverlapped)
921{
922 APIRET rc;
923
924 // Set 5 secs timeout for locking file and no other can access this
925 // file region
926
927 if(lpOverlapped) {//TODO:
928 dprintf(("OSLibDosLockFile: overlapped lock not yet implemented!!"));
929 }
930 //TODO: Locking region crossing end of file is permitted. Works in OS/2??
931 if(f64BitIO)
932 {
933 FILELOCKL lockRangeL;
934
935 lockRangeL.lOffset.ulLo = OffsetLow;
936 lockRangeL.lOffset.ulHi = OffsetHigh;
937 lockRangeL.lRange.ulLo = nNumberOfBytesToLockLow;
938 lockRangeL.lRange.ulHi = nNumberOfBytesToLockHigh;
939
940 rc = OdinDosSetFileLocksL(hFile, NULL, &lockRangeL,
941 (dwFlags & LOCKFILE_FAIL_IMMEDIATELY_W) ? 0 : 5000, 0);
942 //SvL: 64 bits values are only supported by JFS
943 // Try the 32 bits DosSetFileLocks if it fails
944 // (TODO: should check the partition type instead)
945 if(rc == ERROR_INVALID_PARAMETER && (OffsetHigh || nNumberOfBytesToLockHigh)) {
946 goto oldlock;
947 }
948 }
949 else
950 {
951oldlock:
952 FILELOCK lockRange = { OffsetLow, nNumberOfBytesToLockLow };
953
954 rc = DosSetFileLocks(hFile, NULL, &lockRange,
955 (dwFlags & LOCKFILE_FAIL_IMMEDIATELY_W) ? 0 : 5000, 0);
956 }
957 if(rc) {
958 SetLastError(error2WinError(rc));
959 return FALSE;
960 }
961 SetLastError(ERROR_SUCCESS_W);
962 return TRUE;
963}
964//******************************************************************************
965//******************************************************************************
966BOOL OSLibDosUnlockFile(DWORD hFile, DWORD OffsetLow, DWORD OffsetHigh,
967 DWORD nNumberOfBytesToLockLow, DWORD nNumberOfBytesToLockHigh,
968 LPOVERLAPPED lpOverlapped)
969{
970 APIRET rc;
971
972 // Set 5 secs timeout for unlocking file and no other can access this
973 // file region
974
975 if(lpOverlapped) {//TODO:
976 dprintf(("OSLibDosUnlockFile: overlapped unlock not yet implemented!!"));
977 }
978 if(f64BitIO)
979 {
980 FILELOCKL unlockRangeL;
981
982 unlockRangeL.lOffset.ulLo = OffsetLow;
983 unlockRangeL.lOffset.ulHi = OffsetHigh;
984 unlockRangeL.lRange.ulLo = nNumberOfBytesToLockLow;
985 unlockRangeL.lRange.ulHi = nNumberOfBytesToLockHigh;
986
987 rc = OdinDosSetFileLocksL(hFile, &unlockRangeL, NULL, 5000, 0);
988 //SvL: 64 bits values are only supported by JFS
989 // Try the 32 bits DosSetFileLocks if it fails
990 // (TODO: should check the partition type instead)
991 if(rc == ERROR_INVALID_PARAMETER && (OffsetHigh || nNumberOfBytesToLockHigh)) {
992 goto oldlock;
993 }
994 }
995 else
996 {
997oldlock:
998 FILELOCK unlockRange = { OffsetLow, nNumberOfBytesToLockLow };
999
1000 rc = DosSetFileLocks(hFile, &unlockRange, NULL, 5000, 0);
1001 }
1002 if(rc) {
1003 SetLastError(error2WinError(rc));
1004 return FALSE;
1005 }
1006 SetLastError(ERROR_SUCCESS_W);
1007 return TRUE;
1008}
1009//******************************************************************************
1010//******************************************************************************
1011BOOL OSLibDosFlushFileBuffers(DWORD hFile)
1012{
1013 APIRET rc;
1014
1015 rc = DosResetBuffer(hFile);
1016 SetLastError(error2WinError(rc));
1017 return (rc == NO_ERROR);
1018}
1019//******************************************************************************
1020//******************************************************************************
1021DWORD OSLibDosGetFileSize(DWORD hFile, LPDWORD lpdwFileSizeHigh)
1022{
1023 APIRET rc;
1024 ULONG sizeLow;
1025
1026 if(f64BitIO)
1027 {
1028 FILESTATUS3L fsts3ConfigInfoL = {{0}};
1029 ULONG ulBufSize = sizeof(FILESTATUS3L);
1030
1031 rc = DosQueryFileInfo(hFile, FIL_STANDARDL, &fsts3ConfigInfoL, ulBufSize);
1032 if(lpdwFileSizeHigh) {
1033 *lpdwFileSizeHigh = fsts3ConfigInfoL.cbFile.ulHi;
1034 }
1035 sizeLow = fsts3ConfigInfoL.cbFile.ulLo;
1036 }
1037 else
1038 {
1039 FILESTATUS3 fsts3ConfigInfo = {{0}};
1040 ULONG ulBufSize = sizeof(FILESTATUS3);
1041
1042 if(lpdwFileSizeHigh) {
1043 *lpdwFileSizeHigh = 0;
1044 }
1045 rc = DosQueryFileInfo(hFile, FIL_STANDARD, &fsts3ConfigInfo, ulBufSize);
1046 sizeLow = fsts3ConfigInfo.cbFile;
1047 }
1048 if(rc) {
1049 SetLastError(error2WinError(rc));
1050 return -1;
1051 }
1052 SetLastError(ERROR_SUCCESS_W);
1053 return sizeLow;
1054}
1055//******************************************************************************
1056//******************************************************************************
1057DWORD OSLibDosSetFilePointer(DWORD hFile, DWORD OffsetLow, DWORD *OffsetHigh, DWORD method)
1058{
1059 LONGLONG offsetL;
1060 LONGLONG newoffsetL;
1061 APIRET rc;
1062 DWORD newoffset;
1063
1064 switch(method)
1065 {
1066 case FILE_BEGIN_W:
1067 method = FILE_BEGIN;
1068 break;
1069
1070 case FILE_CURRENT_W:
1071 method = FILE_CURRENT;
1072 break;
1073
1074 case FILE_END_W:
1075 method = FILE_END;
1076 break;
1077 }
1078
1079 // PH Note: for a negative 32-bit seek, the OS/2 64-bit version
1080 // needs to be skipped.
1081 if( (f64BitIO) && (OffsetHigh) )
1082 {
1083 offsetL.ulLo = OffsetLow;
1084 offsetL.ulHi = (OffsetHigh) ? *OffsetHigh : 0;
1085 rc = OdinDosSetFilePtrL(hFile, offsetL, method, &newoffsetL);
1086 if(OffsetHigh) {
1087 *OffsetHigh = newoffsetL.ulHi;
1088 }
1089 newoffset = newoffsetL.ulLo;
1090 }
1091 else
1092 rc = DosSetFilePtr(hFile, OffsetLow, method, &newoffset);
1093
1094 if(rc)
1095 {
1096 SetLastError(error2WinError(rc));
1097 return -1;
1098 }
1099 SetLastError(ERROR_SUCCESS_W);
1100 return newoffset;
1101}
1102//******************************************************************************
1103//******************************************************************************
1104BOOL OSLibDosSetEndOfFile(DWORD hFile)
1105{
1106 ULONG newFilePos;
1107 LONGLONG FilePosL = {0,0};
1108 LONGLONG newFilePosL;
1109 APIRET rc;
1110
1111 if(f64BitIO) {
1112 rc = OdinDosSetFilePtrL(hFile, FilePosL, FILE_CURRENT, &newFilePosL);
1113 if(rc == 0) {
1114 rc = OdinDosSetFileSizeL(hFile, newFilePosL);
1115 }
1116 }
1117 else {
1118 rc = DosSetFilePtr(hFile, 0, FILE_CURRENT, &newFilePos);
1119 if(rc == 0) {
1120 rc = DosSetFileSize(hFile, newFilePos);
1121 }
1122 }
1123 if(rc) {
1124 SetLastError(error2WinError(rc));
1125 return FALSE;
1126 }
1127 SetLastError(ERROR_SUCCESS_W);
1128 return TRUE;
1129}
1130//******************************************************************************
1131//******************************************************************************
1132BOOL OSLibDosGetFileInformationByHandle(DWORD hFile, BY_HANDLE_FILE_INFORMATION* pInfo)
1133{
1134 APIRET rc;
1135
1136 if(f64BitIO)
1137 {
1138 FILESTATUS4L statusL = { 0 };
1139
1140 rc = DosQueryFileInfo(hFile,
1141 FIL_QUERYEASIZEL,
1142 &statusL,
1143 sizeof(statusL));
1144 if(rc == NO_ERROR)
1145 {
1146 pInfo->dwFileAttributes = 0;
1147 if(!(statusL.attrFile & NOT_NORMAL))
1148 pInfo->dwFileAttributes |= FILE_ATTRIBUTE_NORMAL_W;
1149 if(statusL.attrFile & FILE_READONLY)
1150 pInfo->dwFileAttributes |= FILE_ATTRIBUTE_READONLY_W;
1151 if(statusL.attrFile & FILE_HIDDEN)
1152 pInfo->dwFileAttributes |= FILE_ATTRIBUTE_HIDDEN_W;
1153 if(statusL.attrFile & FILE_SYSTEM)
1154 pInfo->dwFileAttributes |= FILE_ATTRIBUTE_SYSTEM_W;
1155 if(statusL.attrFile & FILE_DIRECTORY)
1156 pInfo->dwFileAttributes |= FILE_ATTRIBUTE_DIRECTORY_W;
1157 if(statusL.attrFile & FILE_ARCHIVED)
1158 pInfo->dwFileAttributes |= FILE_ATTRIBUTE_ARCHIVE_W;
1159
1160 pmDateTimeToFileTime(&statusL.fdateCreation,
1161 &statusL.ftimeCreation,
1162 &pInfo->ftCreationTime);
1163 pmDateTimeToFileTime(&statusL.fdateLastAccess,
1164 &statusL.ftimeLastAccess,
1165 &pInfo->ftLastAccessTime);
1166 pmDateTimeToFileTime(&statusL.fdateLastWrite,
1167 &statusL.ftimeLastWrite,
1168 &pInfo->ftLastWriteTime);
1169
1170 pInfo->nFileSizeHigh = statusL.cbFile.ulHi;
1171 pInfo->nFileSizeLow = statusL.cbFile.ulLo;
1172 pInfo->dwVolumeSerialNumber = 0; //todo
1173 pInfo->nNumberOfLinks = 1;
1174 pInfo->nFileIndexHigh = 0;
1175 pInfo->nFileIndexLow = 0;
1176 }
1177 }
1178 else
1179 {
1180 FILESTATUS4 status = { 0 };
1181
1182 rc = DosQueryFileInfo(hFile,
1183 FIL_QUERYEASIZE,
1184 &status,
1185 sizeof(status));
1186 if(rc == NO_ERROR)
1187 {
1188 pInfo->dwFileAttributes = 0;
1189 if(!(status.attrFile & NOT_NORMAL))
1190 pInfo->dwFileAttributes |= FILE_ATTRIBUTE_NORMAL_W;
1191 if(status.attrFile & FILE_READONLY)
1192 pInfo->dwFileAttributes |= FILE_ATTRIBUTE_READONLY_W;
1193 if(status.attrFile & FILE_HIDDEN)
1194 pInfo->dwFileAttributes |= FILE_ATTRIBUTE_HIDDEN_W;
1195 if(status.attrFile & FILE_SYSTEM)
1196 pInfo->dwFileAttributes |= FILE_ATTRIBUTE_SYSTEM_W;
1197 if(status.attrFile & FILE_DIRECTORY)
1198 pInfo->dwFileAttributes |= FILE_ATTRIBUTE_DIRECTORY_W;
1199 if(status.attrFile & FILE_ARCHIVED)
1200 pInfo->dwFileAttributes |= FILE_ATTRIBUTE_ARCHIVE_W;
1201
1202 pmDateTimeToFileTime(&status.fdateCreation,
1203 &status.ftimeCreation,
1204 &pInfo->ftCreationTime);
1205 pmDateTimeToFileTime(&status.fdateLastAccess,
1206 &status.ftimeLastAccess,
1207 &pInfo->ftLastAccessTime);
1208 pmDateTimeToFileTime(&status.fdateLastWrite,
1209 &status.ftimeLastWrite,
1210 &pInfo->ftLastWriteTime);
1211
1212 pInfo->nFileSizeHigh = 0;
1213 pInfo->nFileSizeLow = status.cbFile;
1214 pInfo->dwVolumeSerialNumber = 0; //todo
1215 pInfo->nNumberOfLinks = 1;
1216 pInfo->nFileIndexHigh = 0;
1217 pInfo->nFileIndexLow = 0;
1218 }
1219 }
1220 if(rc) {
1221 SetLastError(error2WinError(rc));
1222 return FALSE;
1223 }
1224 SetLastError(ERROR_SUCCESS_W);
1225 return TRUE;
1226}
1227//******************************************************************************
1228//******************************************************************************
1229BOOL OSLibDosSetFileTime(DWORD hFile, WORD creationdate, WORD creationtime,
1230 WORD lastaccessdate, WORD lastaccesstime,
1231 WORD lastwritedate, WORD lastwritetime)
1232{
1233 FILESTATUS3 fileInfo;
1234 APIRET rc;
1235
1236 rc = DosQueryFileInfo(hFile, FIL_STANDARD, &fileInfo, sizeof(fileInfo));
1237
1238 if(rc == NO_ERROR)
1239 {
1240 if(creationdate && creationtime) {
1241 fileInfo.fdateCreation = *(FDATE *)&creationdate;
1242 fileInfo.ftimeCreation = *(FTIME *)&creationtime;
1243 }
1244 if(lastaccessdate && lastaccesstime) {
1245 fileInfo.fdateLastAccess = *(FDATE *)&lastaccessdate;
1246 fileInfo.ftimeLastAccess = *(FTIME *)&lastaccesstime;
1247 }
1248 if(lastwritedate && lastwritetime) {
1249 fileInfo.fdateLastWrite = *(FDATE *)&lastwritedate;
1250 fileInfo.ftimeLastWrite = *(FTIME *)&lastwritetime;
1251 }
1252
1253 rc = DosSetFileInfo(hFile, FIL_STANDARD, &fileInfo, sizeof(fileInfo));
1254 }
1255
1256 if(rc)
1257 {
1258 SetLastError(error2WinError(rc));
1259 return FALSE;
1260 }
1261 SetLastError(ERROR_SUCCESS_W);
1262 return TRUE;
1263}
1264//******************************************************************************
1265//******************************************************************************
1266BOOL OSLibDosGetFileTime(DWORD hFile, WORD *creationdate, WORD *creationtime,
1267 WORD *lastaccessdate, WORD *lastaccesstime,
1268 WORD *lastwritedate, WORD *lastwritetime)
1269{
1270 FILESTATUS3 fileInfo;
1271 APIRET rc;
1272
1273 rc = DosQueryFileInfo(hFile, FIL_STANDARD, &fileInfo, sizeof(fileInfo));
1274
1275 if(rc == NO_ERROR)
1276 {
1277 *creationdate = *(WORD *)&fileInfo.fdateCreation;
1278 *creationtime = *(WORD *)&fileInfo.ftimeCreation;
1279 *lastaccessdate = *(WORD *)&fileInfo.fdateLastAccess;
1280 *lastaccesstime = *(WORD *)&fileInfo.ftimeLastAccess;
1281 *lastwritedate = *(WORD *)&fileInfo.fdateLastWrite;
1282 *lastwritetime = *(WORD *)&fileInfo.ftimeLastWrite;
1283 }
1284
1285 if(rc)
1286 {
1287 SetLastError(error2WinError(rc));
1288 return FALSE;
1289 }
1290 SetLastError(ERROR_SUCCESS_W);
1291 return TRUE;
1292}
1293//******************************************************************************
1294//******************************************************************************
1295DWORD OSLibDosSetFilePtr2(DWORD hFile, DWORD offset, DWORD method)
1296{
1297 DWORD newoffset;
1298 APIRET rc;
1299
1300
1301 rc = DosSetFilePtr(hFile, offset, method, &newoffset);
1302 if(rc) {
1303 dprintf(("DosSetFilePtr Error rc:%d", rc));
1304 return -1;
1305 }
1306 else return newoffset;
1307}
1308//******************************************************************************
1309//******************************************************************************
1310DWORD OSLibDosDupHandle(DWORD hFile, DWORD *hNew)
1311{
1312 *hNew = -1;
1313 return DosDupHandle(hFile, hNew);
1314}
1315//******************************************************************************
1316//******************************************************************************
1317void OSLibDosDisableHardError(BOOL fTurnOff)
1318{
1319 DosError((fTurnOff) ? FERR_DISABLEHARDERR : FERR_ENABLEHARDERR);
1320}
1321//******************************************************************************
1322//Returns time spent in kernel & user mode in milliseconds
1323//******************************************************************************
1324BOOL OSLibDosQueryProcTimes(DWORD procid, ULONG *kerneltime, ULONG *usertime)
1325{
1326 APIRET rc;
1327 char *buf;
1328 ULONG size;
1329 ULONG nrthreads = 4;
1330
1331tryagain:
1332 size = sizeof(QTOPLEVEL)+sizeof(QGLOBAL)+sizeof(QPROCESS) + nrthreads*sizeof(QTHREAD);
1333 buf = (char *)malloc(size);
1334 rc = DosQuerySysState(0x1, RESERVED, procid, RESERVED, (PCHAR)buf, size);
1335
1336 if(rc) {
1337 free(buf);
1338 if(rc == ERROR_BUFFER_OVERFLOW) {
1339 nrthreads += 4;
1340 goto tryagain;
1341 }
1342 return FALSE;
1343 }
1344 PQTOPLEVEL top = (PQTOPLEVEL)buf;
1345
1346 *kerneltime = 0;
1347 *usertime = 0;
1348 for(int i=0;i<top->procdata->threadcnt;i++) {
1349 *kerneltime += top->procdata->threads[i].systime;
1350 *usertime += top->procdata->threads[i].usertime;
1351 }
1352 free(buf);
1353 return TRUE;
1354}
1355//******************************************************************************
1356//******************************************************************************
1357// TODO: implement SecurityAttributes parameter
1358DWORD OSLibDosCreateNamedPipe(LPCTSTR lpName,
1359 DWORD dwOpenMode,
1360 DWORD dwPipeMode,
1361 DWORD nMaxInstances,
1362 DWORD nOutBufferSize,
1363 DWORD nInBufferSize,
1364 DWORD nDefaultTimeOut,
1365 LPSECURITY_ATTRIBUTES lpSecurityAttributes)
1366{ DWORD dwOS2Mode = 0;
1367 DWORD dwOS2PipeMode = 0;
1368 LPSTR lpOS2Name;
1369 DWORD hPipe;
1370 DWORD rc;
1371
1372 if (dwOpenMode & PIPE_ACCESS_DUPLEX_W)
1373 dwOS2Mode |= NP_ACCESS_DUPLEX;
1374 else
1375 if (dwOpenMode & PIPE_ACCESS_INBOUND_W)
1376 dwOS2Mode |= NP_ACCESS_INBOUND;
1377 else
1378 if (dwOpenMode & PIPE_ACCESS_OUTBOUND_W)
1379 dwOS2Mode |= NP_ACCESS_OUTBOUND;
1380 // TODO:
1381 // if(dwOpenMode & FILE_FLAG_OVERLAPPED)
1382 // if(dwOpenMode & WRITE_DAC)
1383 // if(dwOpenMode & WRITE_OWNER)
1384 // if(dwOpenMode & ACCESS_SYSTEM_SECURITY)
1385 if(dwOpenMode & FILE_FLAG_WRITE_THROUGH_W)
1386 dwOS2Mode |= NP_WRITEBEHIND; // FIXME: I'm not sure!
1387
1388 if (dwPipeMode & PIPE_WAIT_W)
1389 dwOS2PipeMode |= NP_WAIT;
1390 if (dwPipeMode & PIPE_NOWAIT_W)
1391 dwOS2PipeMode |= NP_NOWAIT;
1392 if (dwPipeMode & PIPE_READMODE_BYTE_W)
1393 dwOS2PipeMode |= NP_READMODE_BYTE;
1394 if (dwPipeMode & PIPE_READMODE_MESSAGE_W)
1395 dwOS2PipeMode |= NP_READMODE_MESSAGE;
1396 if (dwPipeMode & PIPE_TYPE_BYTE_W)
1397 dwOS2PipeMode |= NP_TYPE_BYTE;
1398 if (dwPipeMode & PIPE_TYPE_MESSAGE_W)
1399 dwOS2PipeMode |= NP_TYPE_MESSAGE;
1400
1401 if (nMaxInstances>0xff)
1402 {
1403 SetLastError(ERROR_INVALID_PARAMETER_W); // ERROR_INVALID_PARAMETER
1404 return -1; // INVALID_HANDLE_VALUE
1405 }
1406 dwOS2PipeMode |= nMaxInstances;
1407
1408 if (strstr(lpName,"\\\\."))
1409 {
1410 // If pipe is created on the local machine
1411 // we must delete string \\. because
1412 // in Windows named pipes scheme is a \\.\PIPE\pipename
1413 // but in OS/2 only \PIPE\pipename
1414 lpOS2Name = (LPSTR)lpName + 3;
1415 }
1416 else lpOS2Name = (LPSTR)lpName;
1417
1418 dprintf(("DosCreateNPipe(%s,%x,%x,%x,%x,%x)",lpOS2Name,dwOS2Mode,dwOS2PipeMode,nInBufferSize,nOutBufferSize,nDefaultTimeOut));
1419 rc=DosCreateNPipe(lpOS2Name,
1420 &hPipe,
1421 dwOS2Mode,
1422 dwOS2PipeMode,
1423 nInBufferSize,
1424 nInBufferSize,
1425 nDefaultTimeOut); // Timeouts must be tested!
1426
1427 dprintf(("DosCreateNPipe rc=%d",rc));
1428 if (rc)
1429 {
1430 SetLastError(error2WinError(rc,ERROR_INVALID_PARAMETER_W));
1431 return -1; // INVALID_HANDLE_VALUE
1432 }
1433 return hPipe;
1434}
1435
1436//******************************************************************************
1437//******************************************************************************
1438// TODO: implement lpOverlapped parameter!
1439BOOL OSLibDosConnectNamedPipe(DWORD hNamedPipe, LPOVERLAPPED lpOverlapped)
1440{
1441 DWORD rc;
1442
1443 rc=DosConnectNPipe(hNamedPipe);
1444 dprintf(("DosConnectNPipe rc=%d",rc));
1445
1446 if (!rc) return (TRUE);
1447 SetLastError(error2WinError(rc,ERROR_PIPE_NOT_CONNECTED_W));
1448
1449 return (FALSE);
1450}
1451
1452//******************************************************************************
1453//******************************************************************************
1454BOOL OSLibDosCallNamedPipe( LPCTSTR lpNamedPipeName,
1455 LPVOID lpInBuffer,
1456 DWORD nInBufferSize,
1457 LPVOID lpOutBuffer,
1458 DWORD nOutBufferSize,
1459 LPDWORD lpBytesRead,
1460 DWORD nTimeOut )
1461{
1462 LPSTR lpOS2Name;
1463 DWORD rc;
1464
1465 if (strstr(lpNamedPipeName,"\\\\."))
1466 {
1467 // If pipe is created on the local machine
1468 // we must delete string \\. because
1469 // in Windows named pipes scheme is a \\.\PIPE\pipename
1470 // but in OS/2 only \PIPE\pipename
1471 lpOS2Name = (LPSTR)lpNamedPipeName + 3;
1472 }
1473 else lpOS2Name = (LPSTR)lpNamedPipeName;
1474
1475 rc=DosCallNPipe(lpOS2Name,
1476 lpInBuffer,
1477 nInBufferSize,
1478 lpOutBuffer,
1479 nOutBufferSize,
1480 lpBytesRead,
1481 nTimeOut );
1482
1483
1484 if (!rc) return (TRUE);
1485 SetLastError(error2WinError(rc,ERROR_PIPE_NOT_CONNECTED_W));
1486
1487 return (FALSE);
1488}
1489
1490//******************************************************************************
1491//******************************************************************************
1492BOOL OSLibDosTransactNamedPipe( DWORD hNamedPipe,
1493 LPVOID lpInBuffer,
1494 DWORD nInBufferSize,
1495 LPVOID lpOutBuffer,
1496 DWORD nOutBufferSize,
1497 LPDWORD lpBytesRead,
1498 LPOVERLAPPED lpOverlapped)
1499{
1500 DWORD rc;
1501
1502 rc=DosTransactNPipe(hNamedPipe,
1503 lpOutBuffer,
1504 nOutBufferSize,
1505 lpInBuffer,
1506 nInBufferSize,
1507 lpBytesRead);
1508
1509 dprintf(("DosTransactNPipe returned rc=%d");)
1510 if (!rc) return (TRUE);
1511 SetLastError(error2WinError(rc,ERROR_PIPE_NOT_CONNECTED_W));
1512
1513 return (FALSE);
1514}
1515
1516//******************************************************************************
1517//******************************************************************************
1518BOOL OSLibDosPeekNamedPipe(DWORD hPipe,
1519 LPVOID lpvBuffer,
1520 DWORD cbBuffer,
1521 LPDWORD lpcbRead,
1522 LPDWORD lpcbAvail,
1523 LPDWORD lpcbMessage)
1524{
1525 DWORD rc;
1526 AVAILDATA availData ={0};
1527 ULONG ulDummy;
1528
1529 rc=DosPeekNPipe(hPipe,lpvBuffer,cbBuffer,lpcbRead,&availData,&ulDummy);
1530
1531 dprintf(("DosPeekNPipe returned rc=%d",rc));
1532
1533 if (!rc)
1534 {
1535 *lpcbAvail = availData.cbpipe;
1536 *lpcbMessage = availData.cbmessage;
1537 return (TRUE);
1538 }
1539 SetLastError(error2WinError(rc,ERROR_PIPE_NOT_CONNECTED_W));
1540
1541 return (FALSE);
1542}
1543//******************************************************************************
1544//******************************************************************************
1545BOOL OSLibDosDisconnectNamedPipe(DWORD hPipe)
1546{
1547 DWORD rc;
1548
1549 rc=DosDisConnectNPipe(hPipe);
1550
1551 dprintf(("DosDisConnectNPipe returned rc=%d",rc));
1552
1553 if (!rc) return TRUE;
1554 SetLastError(error2WinError(rc,ERROR_PIPE_NOT_CONNECTED_W));
1555
1556 return (FALSE);
1557}
1558//******************************************************************************
1559//******************************************************************************
1560BOOL OSLibDosWaitNamedPipe(LPCSTR lpszNamedPipeName,
1561 DWORD dwTimeout)
1562{
1563 LPSTR lpOS2Name;
1564 DWORD rc;
1565
1566 if (strstr(lpszNamedPipeName,"\\\\."))
1567 {
1568 // If pipe is created on the local machine
1569 // we must delete string \\. because
1570 // in Windows named pipes scheme is a \\.\PIPE\pipename
1571 // but in OS/2 only \PIPE\pipename
1572 lpOS2Name = (LPSTR)lpszNamedPipeName + 3;
1573 }
1574 else lpOS2Name = (LPSTR)lpszNamedPipeName;
1575
1576 rc=DosWaitNPipe(lpOS2Name,dwTimeout);
1577
1578 dprintf(("DosWaitNPipe returned rc=%d",rc));
1579
1580 if (!rc) return TRUE;
1581 SetLastError(error2WinError(rc,ERROR_PIPE_NOT_CONNECTED_W));
1582
1583 return (FALSE);
1584}
1585//******************************************************************************
1586//******************************************************************************
1587BOOL isRoot(CHAR* name)
1588{
1589 if (name[1] == ':')
1590 {
1591 //local name (x:\)
1592 return (name[2] == 0) || !strchr(&name[3],'\\');
1593 } else if (name[0] == '\\')
1594 {
1595 //UNC name (\\resource\drive\)
1596 CHAR *drive,*dir;
1597
1598 drive = strchr(&name[2],'\\');
1599 if (!drive) return FALSE;
1600 dir = strchr(&drive[1],'\\');
1601 if (!dir) return TRUE;
1602 return !strchr(&dir[1],'\\');
1603 } else return FALSE; //unknown
1604}
1605//******************************************************************************
1606//******************************************************************************
1607inline CHAR system2DOSCharacter(CHAR ch)
1608{
1609 switch(ch)
1610 {
1611 case ' ':
1612 case '.':
1613 case '~':
1614 return '_';
1615
1616 default:
1617 return toupper(ch);
1618 }
1619}
1620
1621VOID long2ShortName(CHAR* longName,CHAR* shortName)
1622{
1623 INT x;
1624 CHAR *source = longName,*dest = shortName,*ext = strrchr(longName,'.');
1625
1626 if ((strcmp(longName,".") == 0) || (strcmp(longName,"..") == 0))
1627 {
1628 strcpy(shortName,longName);
1629 return;
1630 }
1631
1632 //CB: quick and dirty, real FILE~12.EXT is too slow
1633
1634 //8 character file name
1635 for (x = 0;x < 8;x++)
1636 {
1637 if ((source == ext) || (source[0] == 0)) break;
1638 dest[0] = system2DOSCharacter(source[0]);
1639 source++;
1640 dest++;
1641 }
1642
1643 if (source[0] == 0)
1644 {
1645 dest[0] = 0;
1646 return;
1647 }
1648
1649 if (source != ext)
1650 {
1651 //longName > 8 characters, insert ~1
1652 shortName[6] = '~';
1653 shortName[7] = '1';
1654 }
1655
1656 if (ext)
1657 {
1658 //add extension, 3 characters
1659 dest[0] = ext[0];
1660 dest++;
1661 ext++;
1662 for (x = 0;x < 3;x++)
1663 {
1664 if (ext[0] == 0) break;
1665 dest[0] = system2DOSCharacter(ext[0]);
1666 ext++;
1667 dest++;
1668 }
1669 }
1670 dest[0] = 0;
1671}
1672//******************************************************************************
1673//******************************************************************************
1674VOID translateFileResults(FILESTATUS3 *pResult,LPWIN32_FIND_DATAA pFind,CHAR* achName)
1675{
1676 CHAR* name;
1677
1678 pFind->dwFileAttributes = pm2WinFileAttributes(pResult->attrFile);
1679
1680 pmDateTimeToFileTime(&pResult->fdateCreation,&pResult->ftimeCreation,&pFind->ftCreationTime);
1681 pmDateTimeToFileTime(&pResult->fdateLastAccess,&pResult->ftimeLastAccess,&pFind->ftLastAccessTime);
1682 pmDateTimeToFileTime(&pResult->fdateLastWrite,&pResult->ftimeLastWrite,&pFind->ftLastWriteTime);
1683
1684 pFind->nFileSizeHigh = 0; //CB: fixme
1685 pFind->nFileSizeLow = pResult->cbFile;
1686 name = strrchr(achName,'\\');
1687 if (name)
1688 {
1689 name++;
1690 strcpy(pFind->cFileName,name);
1691 } else pFind->cFileName[0] = 0;
1692 long2ShortName(pFind->cFileName,pFind->cAlternateFileName);
1693}
1694
1695VOID translateFindResults(FILEFINDBUF3 *pResult,LPWIN32_FIND_DATAA pFind)
1696{
1697 pFind->dwFileAttributes = pm2WinFileAttributes(pResult->attrFile);
1698
1699 pmDateTimeToFileTime(&pResult->fdateCreation,&pResult->ftimeCreation,&pFind->ftCreationTime);
1700 pmDateTimeToFileTime(&pResult->fdateLastAccess,&pResult->ftimeLastAccess,&pFind->ftLastAccessTime);
1701 pmDateTimeToFileTime(&pResult->fdateLastWrite,&pResult->ftimeLastWrite,&pFind->ftLastWriteTime);
1702
1703 pFind->nFileSizeHigh = 0; //CB: fixme
1704 pFind->nFileSizeLow = pResult->cbFile;
1705 strcpy(pFind->cFileName,pResult->achName);
1706 long2ShortName(pFind->cFileName,pFind->cAlternateFileName);
1707}
1708//******************************************************************************
1709//******************************************************************************
1710DWORD OSLibDosFindFirst(LPCSTR lpFileName,WIN32_FIND_DATAA* lpFindFileData)
1711{
1712 HDIR hDir = -1;
1713 ULONG attrs;
1714 FILEFINDBUF3 result;
1715 ULONG searchCount = 1;
1716
1717 attrs = FILE_READONLY | FILE_HIDDEN | FILE_SYSTEM | FILE_DIRECTORY | FILE_ARCHIVED;
1718 result.achName[0] = 0;
1719
1720 DosError(FERR_DISABLEHARDERR | FERR_DISABLEEXCEPTION);
1721 APIRET rc = DosFindFirst((PSZ)lpFileName,&hDir,attrs,&result,sizeof(result),&searchCount,FIL_STANDARD);
1722 DosError(FERR_ENABLEHARDERR | FERR_ENABLEEXCEPTION);
1723
1724 //check root: skip "." and ".." (HPFS, not on FAT)
1725 //check in OSLibDosFindNext not necessary: "." and ".." are the first two entries
1726 if ((rc == 0) && isRoot((LPSTR)lpFileName))
1727 {
1728 while ((strcmp(result.achName,".") == 0) || (strcmp(result.achName,"..") == 0))
1729 {
1730 result.achName[0] = 0;
1731 DosError(FERR_DISABLEHARDERR | FERR_DISABLEEXCEPTION);
1732 searchCount = 1;
1733 APIRET rc = DosFindNext(hDir,&result,sizeof(result),&searchCount);
1734 DosError(FERR_ENABLEHARDERR | FERR_ENABLEEXCEPTION);
1735 if (rc)
1736 {
1737 DosFindClose(hDir);
1738 SetLastError(error2WinError(rc));
1739
1740 return INVALID_HANDLE_VALUE_W;
1741 }
1742 }
1743 }
1744 if(rc) {
1745 DosFindClose(hDir);
1746 SetLastError(error2WinError(rc));
1747 return INVALID_HANDLE_VALUE_W;
1748 }
1749 translateFindResults(&result,lpFindFileData);
1750 return hDir;
1751}
1752//******************************************************************************
1753// NOTE: returns "." and ".." in root
1754//******************************************************************************
1755DWORD OSLibDosFindFirstMulti(LPCSTR lpFileName,WIN32_FIND_DATAA *lpFindFileData,DWORD *count)
1756{
1757 HDIR hDir = -1;
1758 ULONG attrs;
1759 FILEFINDBUF3 *result,*data;
1760 ULONG searchCount = *count;
1761
1762 attrs = FILE_READONLY | FILE_HIDDEN | FILE_SYSTEM | FILE_DIRECTORY | FILE_ARCHIVED;
1763 result = (FILEFINDBUF3*)malloc(searchCount*sizeof(FILEFINDBUF3));
1764
1765 DosError(FERR_DISABLEHARDERR | FERR_DISABLEEXCEPTION);
1766 APIRET rc = DosFindFirst((PSZ)lpFileName,&hDir,attrs,result,searchCount*sizeof(FILEFINDBUF3),&searchCount,FIL_STANDARD);
1767 DosError(FERR_ENABLEHARDERR | FERR_ENABLEEXCEPTION);
1768 if (rc)
1769 {
1770 free(result);
1771 *count = 0;
1772 SetLastError(error2WinError(rc));
1773
1774 return INVALID_HANDLE_VALUE_W;
1775 }
1776
1777 data = result;
1778 for (int x = 0;x < searchCount;x++)
1779 {
1780 translateFindResults(data,&lpFindFileData[x]);
1781 data = (FILEFINDBUF3*)(((DWORD)data)+data->oNextEntryOffset);
1782 }
1783 free(result);
1784 *count = searchCount;
1785
1786 return hDir;
1787}
1788//******************************************************************************
1789//******************************************************************************
1790BOOL OSLibDosFindNext(DWORD hFindFile,WIN32_FIND_DATAA *lpFindFileData)
1791{
1792 FILEFINDBUF3 result;
1793 ULONG searchCount = 1;
1794
1795 APIRET rc = DosFindNext((HDIR)hFindFile,&result,sizeof(result),&searchCount);
1796 if (rc)
1797 {
1798 SetLastError(error2WinError(rc));
1799
1800 return FALSE;
1801 }
1802
1803 translateFindResults(&result,lpFindFileData);
1804
1805 return TRUE;
1806}
1807//******************************************************************************
1808//******************************************************************************
1809BOOL OSLibDosFindNextMulti(DWORD hFindFile,WIN32_FIND_DATAA *lpFindFileData,DWORD *count)
1810{
1811 FILEFINDBUF3 *result,*data;
1812 ULONG searchCount = *count;
1813
1814 result = (FILEFINDBUF3*)malloc(searchCount*sizeof(FILEFINDBUF3));
1815 APIRET rc = DosFindNext((HDIR)hFindFile,result,searchCount*sizeof(FILEFINDBUF3),&searchCount);
1816 if (rc)
1817 {
1818 free(result);
1819 *count = 0;
1820 SetLastError(error2WinError(rc));
1821
1822 return FALSE;
1823 }
1824
1825 data = result;
1826 for (int x = 0;x < searchCount;x++)
1827 {
1828 translateFindResults(data,&lpFindFileData[x]);
1829 data = (FILEFINDBUF3*)(((DWORD)data)+data->oNextEntryOffset);
1830 }
1831 free(result);
1832 *count = searchCount;
1833
1834 return TRUE;
1835}
1836//******************************************************************************
1837//******************************************************************************
1838BOOL OSLibDosFindClose(DWORD hFindFile)
1839{
1840 APIRET rc = DosFindClose((HDIR)hFindFile);
1841 if (rc)
1842 {
1843 SetLastError(error2WinError(rc));
1844
1845 return FALSE;
1846 }
1847
1848 return TRUE;
1849}
1850//******************************************************************************
1851#define FSATTACH_SIZE 256
1852//******************************************************************************
1853DWORD OSLibDosQueryVolumeFS(int drive, LPSTR lpFileSystemNameBuffer, DWORD nFileSystemNameSize)
1854{
1855 PFSQBUFFER2 fsinfo = (PFSQBUFFER2) alloca(FSATTACH_SIZE);
1856 ULONG cb = FSATTACH_SIZE;
1857 char drv[3] = "A:";
1858 char *fsname;
1859 APIRET rc;
1860
1861 if(lpFileSystemNameBuffer == NULL) {
1862 DebugInt3();
1863 return ERROR_INVALID_PARAMETER_W;
1864 }
1865 drv[0] = (char)('A' + drive - 1);
1866
1867 DosError(FERR_DISABLEHARDERR);
1868 rc = DosQueryFSAttach(drv, 1, FSAIL_QUERYNAME, fsinfo, &cb);
1869 DosError(FERR_ENABLEHARDERR);
1870
1871 switch(rc) {
1872 case ERROR_INVALID_DRIVE:
1873 return ERROR_INVALID_DRIVE_W;
1874 case ERROR_NO_VOLUME_LABEL:
1875 return ERROR_NO_VOLUME_LABEL_W;
1876 case NO_ERROR:
1877 break;
1878 default:
1879 return ERROR_NOT_ENOUGH_MEMORY; //whatever
1880 }
1881
1882 fsname = (char *)&fsinfo->szName[0] + fsinfo->cbName + 1;
1883
1884 /* @@@PH 2000/08/10 CMD.EXE querys with nFileSystemNameSize == 0
1885 * however does NOT expect to receive an error.
1886 */
1887 strncpy(lpFileSystemNameBuffer,
1888 fsname,
1889 nFileSystemNameSize);
1890 /*
1891 if(strlen(fsname) < nFileSystemNameSize) {
1892 strcpy(lpFileSystemNameBuffer, fsname);
1893 }
1894 else return ERROR_BUFFER_OVERFLOW_W;
1895 */
1896 return 0;
1897}
1898//******************************************************************************
1899typedef struct _FSINFOBUF
1900{
1901 ULONG ulVolser; /* Volume serial number */
1902 VOLUMELABEL vol; /* Volume lable */
1903} FSINFOBUF;
1904//******************************************************************************
1905DWORD OSLibDosQueryVolumeSerialAndName(int drive, LPDWORD lpVolumeSerialNumber,
1906 LPSTR lpVolumeNameBuffer, DWORD nVolumeNameSize)
1907{
1908 FSINFOBUF fsi;
1909 APIRET rc;
1910
1911 DosError(FERR_DISABLEHARDERR);
1912 rc = DosQueryFSInfo(drive, FSIL_VOLSER, &fsi, sizeof(fsi));
1913 DosError(FERR_ENABLEHARDERR);
1914
1915 switch(rc) {
1916 case ERROR_INVALID_DRIVE:
1917 return ERROR_INVALID_DRIVE_W;
1918 case ERROR_NO_VOLUME_LABEL:
1919 return ERROR_NO_VOLUME_LABEL_W;
1920 case NO_ERROR:
1921 break;
1922 default:
1923 return ERROR_NOT_ENOUGH_MEMORY; //whatever
1924 }
1925
1926 if(lpVolumeSerialNumber) {
1927 *lpVolumeSerialNumber = fsi.ulVolser;
1928 }
1929 if(lpVolumeNameBuffer)
1930 {
1931 if(nVolumeNameSize > fsi.vol.cch) {
1932 strcpy(lpVolumeNameBuffer, (PCHAR)fsi.vol.szVolLabel);
1933 }
1934 else return ERROR_BUFFER_OVERFLOW_W;
1935 }
1936
1937 return ERROR_SUCCESS_W;
1938}
1939//******************************************************************************
1940//******************************************************************************
1941BOOL OSLibGetDiskFreeSpace(LPSTR lpRootPathName, LPDWORD lpSectorsPerCluster,
1942 LPDWORD lpBytesPerSector, LPDWORD lpNumberOfFreeClusters,
1943 LPDWORD lpTotalNumberOfClusters)
1944{
1945 ULONG diskNum;
1946 FSALLOCATE fsAlloc;
1947 APIRET rc;
1948
1949 if(lpRootPathName == 0)
1950 diskNum = 0;
1951 else
1952 if('A' <= *lpRootPathName && *lpRootPathName <= 'Z' )
1953 diskNum = *lpRootPathName - 'A' + 1;
1954 else
1955 if('a' <= *lpRootPathName && *lpRootPathName <= 'z' )
1956 diskNum = *lpRootPathName - 'a' + 1;
1957 else
1958 diskNum = 0;
1959
1960 DosError(FERR_DISABLEHARDERR);
1961 rc = DosQueryFSInfo(diskNum, FSIL_ALLOC, &fsAlloc, sizeof(fsAlloc));
1962 DosError(FERR_ENABLEHARDERR);
1963
1964 if(rc == 0)
1965 {
1966 *lpSectorsPerCluster = fsAlloc.cSectorUnit;
1967 *lpBytesPerSector = fsAlloc.cbSector;
1968 *lpNumberOfFreeClusters = fsAlloc.cUnitAvail;
1969 *lpTotalNumberOfClusters = fsAlloc.cUnit;
1970 SetLastError(ERROR_SUCCESS_W);
1971 return TRUE;
1972 }
1973 SetLastError(error2WinError(rc));
1974 return FALSE;
1975}
1976//******************************************************************************
1977//******************************************************************************
1978BOOL OSLibDosCreatePipe(PHANDLE phfRead,
1979 PHANDLE phfWrite,
1980 LPSECURITY_ATTRIBUTES lpsa,
1981 DWORD dwSize)
1982{
1983 APIRET rc;
1984
1985 dprintf(("DosCreatePipe(%08xh,%08xh,%08xh)\n",
1986 phfRead,
1987 phfWrite,
1988 dwSize));
1989
1990 // select default buffer size
1991 if (dwSize == 0)
1992 dwSize = 4096;
1993
1994 rc = DosCreatePipe(phfRead,
1995 phfWrite,
1996 dwSize);
1997 dprintf(("DosCreatePipe rc=%d",rc));
1998 if (rc)
1999 {
2000 SetLastError(error2WinError(rc,ERROR_INVALID_PARAMETER_W));
2001 return -1; // INVALID_HANDLE_VALUE
2002 }
2003 return NO_ERROR;
2004}
2005
2006/**
2007 * Pure wrapper for DosQueryModulName which returns the OS/2 returncode.
2008 * @returns Returncode from DosQueryModuleName.
2009 * @param hModule Handle of the module which name we query.
2010 * @param cchName Length of the output name buffer.
2011 * @param pszname Pointer to the output name buffer.
2012 * @status Completely implemented.
2013 * @author knut st. osmundsen (knut.stange.osmundsen@mynd.no)
2014 */
2015ULONG OSLibDosQueryModuleName(ULONG hModule, int cchName, char *pszName)
2016{
2017 return DosQueryModuleName(hModule, cchName, pszName);
2018}
2019
2020
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