source: trunk/dll/valid.c@ 103

Last change on this file since 103 was 103, checked in by root, 21 years ago

Implement Jim Read's removable logic
  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 20.0 KB
Line 
1
2/***********************************************************************
3
4 $Id: valid.c 103 2004-06-17 04:40:41Z root $
5
6 File name manipulation routines
7
8 Copyright (c) 1993, 1998 M. Kimes
9 Copyright (c) 2002, 2004 Steven H.Levine
10
11 Revisions 23 Nov 02 SHL - RootName: rework for sanity
12 27 Nov 02 SHL - MakeFullName: correct typo
13 11 Jun 03 SHL - Add JFS and FAT32 support
14 15 Jun 04 SHL - Implement Jim Read's removable logic
15
16***********************************************************************/
17
18#define INCL_DOS
19#define INCL_WIN
20#define INCL_DOSDEVICES // DosDevIOCtl
21#define INCL_DOSDEVIOCTL // DosDevIOCtl
22
23#include <os2.h>
24#include <stdlib.h>
25#include <stdio.h>
26#include <string.h>
27#include <ctype.h>
28
29#include "fm3dll.h"
30
31#pragma alloc_text(VALID,CheckDrive,IsRoot,IsFile,IsFullName,needsquoting)
32#pragma alloc_text(VALID,IsValidDir,IsValidDrive,MakeValidDir,IsVowel)
33#pragma alloc_text(VALID,IsFileSame,IsNewer,TestDates,RootName,MakeFullName)
34#pragma alloc_text(VALID,IsExecutable,IsBinary,IsDesktop,ParentIsDesktop)
35#pragma alloc_text(FILLFLAGS,FillInDriveFlags,assign_ignores)
36#pragma alloc_text(FILLFLAGS,ArgDriveFlags,DriveFlagsOne)
37#pragma alloc_text(FINDDESK,GetDesktopName)
38
39
40APIRET MakeFullName (char *pszFileName)
41{
42 /* pszFileName must be CCHMAXPATH long minimum! */
43
44 char szPathName[CCHMAXPATH];
45 APIRET rc;
46
47 DosError(FERR_DISABLEHARDERR);
48 rc = DosQueryPathInfo(pszFileName,
49 FIL_QUERYFULLNAME,
50 szPathName,
51 sizeof(szPathName));
52 if(!rc)
53 strcpy(pszFileName, szPathName); // Pass back actual name
54 return rc;
55}
56
57
58char *RootName (char *filename)
59{
60 char *p = NULL,*pp;
61
62 // Return filename, strip path parts
63 // Return empty string when filename ends with \
64
65 if(filename) {
66 p = strrchr(filename,'\\');
67 pp = strrchr(filename,'/');
68 p = (p) ?
69 (pp) ?
70 (p > pp) ?
71 p :
72 pp :
73 p :
74 pp;
75 }
76 if(!p) /* name is itself a root */
77 p = filename;
78 else /* skip past backslash */
79 p++;
80 return p;
81}
82
83
84int TestDates (char *file1,char *file2)
85{
86 /*
87 * return 1 (file2 newer than file1),
88 * 0 (files same)
89 * or -1 (file1 newer than file2)
90 */
91
92 int comp = 0;
93 FILESTATUS3 fs3o,fs3n;
94
95 DosError(FERR_DISABLEHARDERR);
96 if(!DosQueryPathInfo(file1,
97 FIL_STANDARD,
98 &fs3o,
99 sizeof(fs3o))) {
100 DosError(FERR_DISABLEHARDERR);
101 if(!DosQueryPathInfo(file2,
102 FIL_STANDARD,
103 &fs3n,
104 sizeof(fs3n))) {
105 comp = (fs3n.fdateLastWrite.year >
106 fs3o.fdateLastWrite.year) ? 1 :
107 (fs3n.fdateLastWrite.year <
108 fs3o.fdateLastWrite.year) ? -1 :
109 (fs3n.fdateLastWrite.month >
110 fs3o.fdateLastWrite.month) ? 1 :
111 (fs3n.fdateLastWrite.month <
112 fs3o.fdateLastWrite.month) ? -1 :
113 (fs3n.fdateLastWrite.day >
114 fs3o.fdateLastWrite.day) ? 1 :
115 (fs3n.fdateLastWrite.day <
116 fs3o.fdateLastWrite.day) ? -1 :
117 (fs3n.ftimeLastWrite.hours >
118 fs3o.ftimeLastWrite.hours) ? 1 :
119 (fs3n.ftimeLastWrite.hours <
120 fs3o.ftimeLastWrite.hours) ? -1 :
121 (fs3n.ftimeLastWrite.minutes >
122 fs3o.ftimeLastWrite.minutes) ? 1 :
123 (fs3n.ftimeLastWrite.minutes <
124 fs3o.ftimeLastWrite.minutes) ? -1 :
125 (fs3n.ftimeLastWrite.twosecs >
126 fs3o.ftimeLastWrite.twosecs) ? 1 :
127 (fs3n.ftimeLastWrite.twosecs <
128 fs3o.ftimeLastWrite.twosecs) ? -1 :
129 0;
130 }
131 }
132 return comp;
133}
134
135
136BOOL IsNewer (char *file1,char *file2)
137{
138 /* return TRUE if file2 is newer than file1 */
139
140 return (TestDates(file1,file2) > 0);
141}
142
143
144BOOL IsDesktop (HAB hab,HWND hwnd)
145{
146 HWND hwndDesktop;
147
148 if(hwnd == HWND_DESKTOP)
149 return TRUE;
150 hwndDesktop = WinQueryDesktopWindow(hab,NULLHANDLE);
151 if(hwnd == hwndDesktop)
152 return TRUE;
153 return FALSE;
154}
155
156BOOL ParentIsDesktop (HWND hwnd,HWND hwndParent)
157{
158 HWND hwndDesktop;
159 BOOL ret = FALSE;
160
161 if(!hwndParent)
162 hwndParent = WinQueryWindow(hwnd,QW_PARENT);
163 if(hwndParent == HWND_DESKTOP)
164 ret = TRUE;
165 else {
166 hwndDesktop = WinQueryDesktopWindow(WinQueryAnchorBlock(hwnd),(HWND)0);
167 if(hwndDesktop == hwndParent)
168 ret = TRUE;
169 }
170 return ret;
171}
172
173
174INT CheckDrive (CHAR chDrive, CHAR *pszFileSystem, ULONG *pulType)
175{
176 CHAR szPath[3];
177 VOID *pvBuffer = NULL;
178 CHAR *pfsn;
179 CHAR *pfsd;
180 ULONG clBufferSize;
181 APIRET ulrc;
182 ULONG ulAction;
183 ULONG clParmBytes;
184 ULONG clDataBytes;
185 HFILE hDev;
186# pragma pack(1)
187 struct {
188 BYTE Cmd;
189 BYTE Unit;
190 } parmPkt = {0, 0};
191# define BPB_REMOVABLE_MEDIA 0x08 // 3 - Media is removable
192 struct
193 {
194 BIOSPARAMETERBLOCK bpb;
195 USHORT cCylinders; // Documented but not implemented
196 BYTE bDeviceType; // Documented but not implemented
197 USHORT fsDeviceAttr; // Documented but not implemented
198 } dataPkt;
199# pragma pack()
200 BYTE NonRemovable;
201 PFSQBUFFER2 pfsq;
202
203 if (pszFileSystem)
204 *pszFileSystem = 0;
205 if (pulType)
206 *pulType = 0;
207
208# define BUFFER_BYTES 4096
209 if(DosAllocMem(&pvBuffer,BUFFER_BYTES,
210 PAG_COMMIT | OBJ_TILE | PAG_READ | PAG_WRITE)) {
211 DosBeep(50,50);
212 return -1; // Say failed
213 }
214
215 szPath[0] = chDrive;
216 szPath[1] = ':';
217 szPath[2] = 0;
218 clBufferSize = BUFFER_BYTES;
219 DosError(FERR_DISABLEHARDERR);
220 ulrc = DosQueryFSAttach(szPath, 0, FSAIL_QUERYNAME,
221 (PFSQBUFFER2)pvBuffer, &clBufferSize);
222 if (ulrc)
223 {
224 /* can't get any info at all */
225 DosFreeMem(pvBuffer);
226 DosError(FERR_DISABLEHARDERR);
227 return -1; // Say failed
228 }
229
230 pfsq = (PFSQBUFFER2)pvBuffer;
231 pfsn = pfsq->szName + pfsq->cbName + 1;
232 pfsd = pfsn + pfsq->cbFSDName + 1;
233
234 if (pszFileSystem)
235 {
236 strncpy(pszFileSystem, pfsn, CCHMAXPATH);
237 pszFileSystem[CCHMAXPATH - 1] = 0;
238 }
239
240 if (pulType && !strcmp(pfsn,CDFS))
241 *pulType |= DRIVE_NOTWRITEABLE | DRIVE_CDROM | DRIVE_REMOVABLE;
242
243 if (((PFSQBUFFER2)pvBuffer)->iType == FSAT_REMOTEDRV)
244 {
245 if (pulType)
246 *pulType |= DRIVE_REMOTE;
247 if (pulType && !strcmp(pfsn,CBSIFS))
248 {
249 *pulType |= DRIVE_ZIPSTREAM;
250 *pulType &= ~DRIVE_REMOTE;
251 *pulType |= DRIVE_NOLONGNAMES;
252 if (pfsq->cbFSAData)
253 {
254 ULONG FType;
255
256 if (CheckDrive(*pfsd,NULL,&FType) != -1)
257 {
258 if (FType & DRIVE_REMOVABLE)
259 *pulType |= DRIVE_REMOVABLE;
260 if (~FType & DRIVE_NOLONGNAMES)
261 *pulType &= ~DRIVE_NOLONGNAMES;
262 }
263 }
264 }
265 if (pulType &&
266 (!strcmp(pfsn,HPFS) ||
267 !strcmp(pfsn,JFS) ||
268 !strcmp(pfsn,FAT32) ||
269 !strcmp(pfsn,HPFS386)))
270 {
271 *pulType &= ~DRIVE_NOLONGNAMES;
272 }
273 DosFreeMem(pvBuffer);
274 return 0; // Remotes are non-removable
275 }
276
277 // Local drive
278 if (strcmp(pfsn,HPFS) &&
279 strcmp(pfsn,JFS) &&
280 strcmp(pfsn,CDFS) &&
281 strcmp(pfsn,FAT32) &&
282 strcmp(pfsn,HPFS386))
283 {
284 if(pulType)
285 (*pulType) |= DRIVE_NOLONGNAMES; // Others can not have long names
286 }
287
288 DosError(FERR_DISABLEHARDERR);
289 ulrc = DosOpen(szPath, &hDev, &ulAction, 0, 0, FILE_OPEN,
290 OPEN_ACCESS_READONLY | OPEN_SHARE_DENYNONE |
291 OPEN_FLAGS_DASD | OPEN_FLAGS_FAIL_ON_ERROR, 0);
292 if(ulrc)
293 {
294 DosError(FERR_DISABLEHARDERR);
295 if (pulType)
296 *pulType |= DRIVE_REMOVABLE; // Assume removable if can not access
297 DosFreeMem(pvBuffer);
298 return 1; // Say removable
299 }
300
301 clParmBytes = sizeof(parmPkt.Cmd);
302 clDataBytes = sizeof(NonRemovable);
303 NonRemovable = 1; // Preset as non removable
304 DosError(FERR_DISABLEHARDERR);
305 ulrc = DosDevIOCtl(hDev, IOCTL_DISK, DSK_BLOCKREMOVABLE,
306 &parmPkt.Cmd, /* Address of the command-specific argument list. */
307 sizeof(parmPkt.Cmd), /* Length, in bytes, of pParams. */
308 &clParmBytes, /* Pointer to the length of parameters. */
309 &NonRemovable, /* Address of the data area. */
310 sizeof(NonRemovable), /* Length, in bytes, of pData. */
311 &clDataBytes); /* Pointer to the length of data. */
312
313 if (!ulrc && NonRemovable) {
314 // Could be USB so check BPB flags
315 clParmBytes = sizeof(parmPkt.Cmd);
316 clDataBytes = sizeof(dataPkt);
317 memset(&dataPkt, 0xff, sizeof(dataPkt));
318 DosError(FERR_DISABLEHARDERR);
319 ulrc = DosDevIOCtl(hDev, IOCTL_DISK, DSK_GETDEVICEPARAMS,
320 &parmPkt.Cmd, /* Address of the command-specific argument list. */
321 sizeof(parmPkt.Cmd), /* Length, in bytes, of pParams. */
322 &clParmBytes, /* Pointer to the length of parameters. */
323 &dataPkt, /* Address of the data area. */
324 sizeof(dataPkt), /* Length, in bytes, of pData. */
325 &clDataBytes); /* Pointer to the length of data. */
326
327 if (!ulrc && (dataPkt.bpb.fsDeviceAttr & BPB_REMOVABLE_MEDIA))
328 NonRemovable = 0;
329 }
330
331 DosClose(hDev);
332
333 if (!NonRemovable && pulType)
334 *pulType |= DRIVE_REMOVABLE;
335
336 DosFreeMem(pvBuffer);
337
338 return NonRemovable ? 0 : 1;
339}
340
341
342BOOL IsFileSame (CHAR *filename1,CHAR *filename2)
343{
344 /* returns: -1 (error), 0 (is a directory), or 1 (is a file) */
345
346 FILESTATUS3 fsa1,fsa2;
347 APIRET ret;
348
349 if(filename1 && filename2) {
350 DosError(FERR_DISABLEHARDERR);
351 ret = DosQueryPathInfo(filename1,FIL_STANDARD,&fsa1,
352 (ULONG)sizeof(fsa1));
353 if(!ret) {
354 DosError(FERR_DISABLEHARDERR);
355 ret = DosQueryPathInfo(filename2,FIL_STANDARD,&fsa2,
356 (ULONG)sizeof(fsa2));
357 if(!ret) {
358 if(fsa1.cbFile == fsa2.cbFile &&
359 (fsa1.attrFile & (~FILE_ARCHIVED)) ==
360 (fsa2.attrFile & (~FILE_ARCHIVED)))
361 return TRUE;
362 }
363 }
364 }
365 return FALSE;
366}
367
368
369INT IsFile (CHAR *filename)
370{
371 /* returns: -1 (error), 0 (is a directory), or 1 (is a file) */
372
373 FILESTATUS3 fsa;
374 APIRET ret;
375
376 if(filename && *filename) {
377 DosError(FERR_DISABLEHARDERR);
378 ret = DosQueryPathInfo(filename,
379 FIL_STANDARD,
380 &fsa,
381 (ULONG)sizeof(fsa));
382 if(!ret)
383 return ((fsa.attrFile & FILE_DIRECTORY) == 0);
384 else if(IsValidDrive(*filename) && IsRoot(filename))
385 return 0;
386 }
387 return -1; /* error; doesn't exist or can't read or null filename */
388}
389
390
391BOOL IsFullName (CHAR *filename)
392{
393 return (filename) ?
394 (isalpha(*filename) && filename[1] == ':' && filename[2] == '\\') :
395 0;
396}
397
398
399BOOL IsRoot (CHAR *filename)
400{
401 return (filename && isalpha(*filename) && filename[1] == ':' &&
402 filename[2] == '\\' && !filename[3]);
403}
404
405
406BOOL IsValidDir (CHAR *path)
407{
408 CHAR fullname[CCHMAXPATH];
409 FILESTATUS3 fs;
410
411 if(path) {
412 DosError(FERR_DISABLEHARDERR);
413 if(!DosQueryPathInfo(path,
414 FIL_QUERYFULLNAME,
415 fullname,
416 sizeof(fullname))) {
417 if(IsValidDrive(*fullname)) {
418 if(!IsRoot(fullname)) {
419 DosError(FERR_DISABLEHARDERR);
420 if(!DosQueryPathInfo(fullname,
421 FIL_STANDARD,
422 &fs,
423 sizeof(fs)) &&
424 (fs.attrFile & FILE_DIRECTORY))
425 return TRUE;
426 }
427 else
428 return TRUE;
429 }
430 }
431 }
432 return FALSE;
433}
434
435
436BOOL IsValidDrive (CHAR drive)
437{
438 CHAR Path[] = " :",Buffer[256];
439 APIRET Status;
440 ULONG Size;
441 ULONG ulDriveNum,ulDriveMap;
442
443 if(!isalpha(drive) ||
444 (driveflags[toupper(drive) - 'A'] & (DRIVE_IGNORE | DRIVE_INVALID)))
445 return FALSE;
446 DosError(FERR_DISABLEHARDERR);
447 Status = DosQCurDisk(&ulDriveNum,&ulDriveMap);
448 if(!Status) {
449 if(!(ulDriveMap & (1L << (ULONG)(toupper(drive) - 'A'))))
450 return FALSE;
451 Path[0] = toupper(drive);
452 Size = sizeof(Buffer);
453 DosError(FERR_DISABLEHARDERR);
454 Status = DosQueryFSAttach(Path,
455 0,
456 FSAIL_QUERYNAME,
457 (PFSQBUFFER2)Buffer,
458 &Size);
459 }
460 return (Status == 0);
461}
462
463
464CHAR * MakeValidDir (CHAR *path)
465{
466 CHAR fullname[CCHMAXPATH],drive;
467 register CHAR *p;
468 FILESTATUS3 fs;
469 APIRET status;
470
471 if(!MakeFullName(path)) {
472 if(IsValidDrive(*path)) {
473 for(;;) {
474 if(IsRoot(path))
475 return path;
476 DosError(FERR_DISABLEHARDERR);
477 status = DosQueryPathInfo(path,
478 FIL_STANDARD,
479 &fs,
480 sizeof(fs));
481 if(!status &&
482 (fs.attrFile & FILE_DIRECTORY) != 0)
483 return path;
484 p = strrchr(path,'\\');
485 if(p) {
486 if(p < path + 3)
487 p++;
488 *p = 0;
489 }
490 else
491 break;
492 }
493 }
494 }
495 DosError(FERR_DISABLEHARDERR);
496 if(!DosQuerySysInfo(QSV_BOOT_DRIVE,
497 QSV_BOOT_DRIVE,
498 &drive,
499 1L)) {
500 drive += '@';
501 if(drive < 'C')
502 drive = 'C';
503 strcpy(path," :\\");
504 *path = drive;
505 }
506 else
507 save_dir2(path);
508 return path;
509}
510
511
512BOOL IsExecutable (CHAR *filename)
513{
514 register CHAR *p;
515 APIRET ret;
516 ULONG apptype;
517
518 if(filename) {
519 DosError(FERR_DISABLEHARDERR);
520 p = strrchr(filename,'.');
521 if(p)
522 ret = DosQAppType(filename,
523 &apptype);
524 else {
525
526 char fname[CCHMAXPATH + 2];
527
528 strcpy(fname,filename);
529 strcat(fname,".");
530 ret = DosQAppType(fname,
531 &apptype);
532 }
533 if((!ret && (!apptype ||
534 (apptype &
535 (FAPPTYP_NOTWINDOWCOMPAT |
536 FAPPTYP_WINDOWCOMPAT |
537 FAPPTYP_WINDOWAPI |
538 FAPPTYP_BOUND |
539 FAPPTYP_DOS |
540 FAPPTYP_WINDOWSREAL |
541 FAPPTYP_WINDOWSPROT |
542 FAPPTYP_32BIT |
543 0x1000)))) ||
544 (p &&
545 (!stricmp(p,".CMD") ||
546 !stricmp(p,".BAT"))))
547 return TRUE;
548 }
549 return FALSE;
550}
551
552
553VOID ArgDriveFlags (INT argc,CHAR **argv)
554{
555 INT x;
556
557 for(x = 1;x < argc;x++) {
558 if(*argv[x] == '/' && isalpha(argv[x][1])) {
559
560 CHAR *p = &argv[x][1];
561
562 while(isalpha(*p)) {
563 driveflags[toupper(*p) - 'A'] |= DRIVE_IGNORE;
564 p++;
565 }
566 }
567 else if(*argv[x] == ';' && isalpha(argv[x][1])) {
568
569 CHAR *p = &argv[x][1];
570
571 while(isalpha(*p)) {
572 driveflags[toupper(*p) - 'A'] |= DRIVE_NOPRESCAN;
573 p++;
574 }
575 }
576 else if(*argv[x] == ',' && isalpha(argv[x][1])) {
577
578 CHAR *p = &argv[x][1];
579
580 while(isalpha(*p)) {
581 driveflags[toupper(*p) - 'A'] |= DRIVE_NOLOADICONS;
582 p++;
583 }
584 }
585 else if(*argv[x] == '`' && isalpha(argv[x][1])) {
586
587 CHAR *p = &argv[x][1];
588
589 while(isalpha(*p)) {
590 driveflags[toupper(*p) - 'A'] |= DRIVE_NOLOADSUBJS;
591 p++;
592 }
593 }
594 else if(*argv[x] == '\'' && isalpha(argv[x][1])) {
595
596 CHAR *p = &argv[x][1];
597
598 while(isalpha(*p)) {
599 driveflags[toupper(*p) - 'A'] |= DRIVE_NOLOADLONGS;
600 p++;
601 }
602 }
603 }
604}
605
606
607VOID DriveFlagsOne (INT x)
608{
609 INT removable;
610 CHAR szDrive[] = " :\\",FileSystem[CCHMAXPATH];
611 ULONG drvtype;
612
613 *szDrive = (CHAR)(x + 'A');
614 *FileSystem = 0;
615 drvtype = 0;
616 removable = CheckDrive(*szDrive,FileSystem,&drvtype);
617 driveserial[x] = -1;
618 driveflags[x] &= (DRIVE_IGNORE | DRIVE_NOPRESCAN | DRIVE_NOLOADICONS |
619 DRIVE_NOLOADSUBJS | DRIVE_NOLOADLONGS |
620 DRIVE_INCLUDEFILES | DRIVE_SLOW);
621 if(removable != -1)
622 {
623 struct
624 {
625 ULONG serial;
626 CHAR volumelength;
627 CHAR volumelabel[CCHMAXPATH];
628 } volser;
629
630 DosError(FERR_DISABLEHARDERR);
631 if(!DosQueryFSInfo((ULONG)x + 1,FSIL_VOLSER,&volser,sizeof(volser)))
632 driveserial[x] = volser.serial;
633 else
634 DosError(FERR_DISABLEHARDERR);
635 }
636 else
637 driveflags[x] |= DRIVE_INVALID;
638 driveflags[x] |= ((removable == -1 || removable == 1) ?
639 DRIVE_REMOVABLE : 0);
640 if(drvtype & DRIVE_REMOTE)
641 driveflags[x] |= DRIVE_REMOTE;
642 if (strcmp(FileSystem,HPFS) &&
643 strcmp(FileSystem,JFS) &&
644 strcmp(FileSystem,CDFS) &&
645 strcmp(FileSystem,FAT32) &&
646 strcmp(FileSystem,HPFS386))
647 {
648 driveflags[x] |= DRIVE_NOLONGNAMES;
649 }
650 if(!strcmp(FileSystem,CDFS)) {
651 removable = 1;
652 driveflags[x] |= (DRIVE_REMOVABLE | DRIVE_NOTWRITEABLE |
653 DRIVE_CDROM);
654 }
655 else if(!stricmp(FileSystem,CBSIFS)) {
656 driveflags[x] |= DRIVE_ZIPSTREAM;
657 driveflags[x] &= (~DRIVE_REMOTE);
658 if(drvtype & DRIVE_REMOVABLE)
659 driveflags[x] |= DRIVE_REMOVABLE;
660 if(!(drvtype & DRIVE_NOLONGNAMES))
661 driveflags[x] &= (~DRIVE_NOLONGNAMES);
662 }
663}
664
665
666VOID FillInDriveFlags (VOID *dummy)
667{
668 ULONG ulDriveNum,ulDriveMap;
669 register INT x;
670
671 for(x = 0;x < 26;x++)
672 driveflags[x] &= (DRIVE_IGNORE | DRIVE_NOPRESCAN | DRIVE_NOLOADICONS |
673 DRIVE_NOLOADSUBJS | DRIVE_NOLOADLONGS |
674 DRIVE_INCLUDEFILES | DRIVE_SLOW);
675 memset(driveserial,-1,sizeof(driveserial));
676 DosError(FERR_DISABLEHARDERR);
677 DosQCurDisk(&ulDriveNum,&ulDriveMap);
678 for(x = 0;x < 26;x++) {
679 if(ulDriveMap & (1L << x) && !(driveflags[x] & DRIVE_IGNORE)) {
680 {
681 CHAR s[80];
682 ULONG flags = 0,size = sizeof(ULONG);
683
684 sprintf(s,"%c.DriveFlags",(CHAR)(x + 'A'));
685 if(PrfQueryProfileData(fmprof,appname,s,&flags,&size) &&
686 size == sizeof(ULONG))
687 driveflags[x] |= flags;
688 }
689
690 if(x > 1) {
691 if(!(driveflags[x] & DRIVE_NOPRESCAN))
692 DriveFlagsOne(x);
693 else
694 driveserial[x] = -1;
695 }
696 else {
697 driveflags[x] |= (DRIVE_REMOVABLE | DRIVE_NOLONGNAMES);
698 driveserial[x] = -1;
699 }
700 }
701 else if(!(ulDriveMap & (1L << x)))
702 driveflags[x] |= DRIVE_INVALID;
703 }
704 {
705 ULONG startdrive = 3L;
706
707 DosError(FERR_DISABLEHARDERR);
708 DosQuerySysInfo(QSV_BOOT_DRIVE,QSV_BOOT_DRIVE,
709 (PVOID)&startdrive,(ULONG)sizeof(ULONG));
710 if(startdrive)
711 driveflags[startdrive - 1] |= DRIVE_BOOT;
712 }
713}
714
715
716CHAR * assign_ignores (CHAR *s)
717{
718 register INT x;
719 register CHAR *p,*pp;
720
721 *s = '/';
722 s[1] = 0;
723 p = s + 1;
724 if(s) {
725 for(x = 0;x < 26;x++) {
726 if((driveflags[x] & DRIVE_IGNORE) != 0) {
727 *p = (CHAR)x + 'A';
728 p++;
729 *p = 0;
730 }
731 }
732 }
733 if(!s[1]) {
734 *s = 0;
735 pp = s;
736 }
737 else {
738 pp = &s[strlen(s)];
739 *pp = ' ';
740 pp++;
741 }
742 *pp = ';';
743 pp[1] = 0;
744 p = pp + 1;
745 if(pp) {
746 for(x = 0;x < 26;x++) {
747 if((driveflags[x] & DRIVE_NOPRESCAN) != 0) {
748 *p = (CHAR)x + 'A';
749 p++;
750 *p = 0;
751 }
752 }
753 }
754 if(!pp[1])
755 *pp = 0;
756 pp = &s[strlen(s)];
757 *pp = ' ';
758 pp++;
759 *pp = ',';
760 pp[1] = 0;
761 p = pp + 1;
762 if(pp) {
763 for(x = 0;x < 26;x++) {
764 if((driveflags[x] & DRIVE_NOLOADICONS) != 0) {
765 *p = (CHAR)x + 'A';
766 p++;
767 *p = 0;
768 }
769 }
770 }
771 if(!pp[1])
772 *pp = 0;
773 pp = &s[strlen(s)];
774 *pp = ' ';
775 pp++;
776 *pp = '`';
777 pp[1] = 0;
778 p = pp + 1;
779 if(pp) {
780 for(x = 0;x < 26;x++) {
781 if((driveflags[x] & DRIVE_NOLOADSUBJS) != 0) {
782 *p = (CHAR)x + 'A';
783 p++;
784 *p = 0;
785 }
786 }
787 }
788 if(!pp[1])
789 *pp = 0;
790 pp = &s[strlen(s)];
791 *pp = ' ';
792 pp++;
793 *pp = '\'';
794 pp[1] = 0;
795 p = pp + 1;
796 if(pp) {
797 for(x = 0;x < 26;x++) {
798 if((driveflags[x] & DRIVE_NOLOADLONGS) != 0) {
799 *p = (CHAR)x + 'A';
800 p++;
801 *p = 0;
802 }
803 }
804 }
805 if(!pp[1])
806 *pp = 0;
807 lstrip(rstrip(s));
808 return s;
809}
810
811
812BOOL needs_quoting (register CHAR *f)
813{
814 register CHAR *p = " &|<>";
815
816 while(*p) {
817 if(strchr(f,*p))
818 return TRUE;
819 p++;
820 }
821 return FALSE;
822}
823
824
825BOOL IsBinary (register CHAR *str,ULONG len)
826{
827 register ULONG x = 0L;
828
829 if(str) {
830 while(x < len) {
831 if(str[x] < ' ' && str[x] != '\r' && str[x] != '\n' && str[x] != '\t' &&
832 str[x] != '\x1b' && str[x] != '\x1a' && str[x] != '\07' &&
833 str[x] != '\x0c')
834 return TRUE;
835 x++;
836 }
837 }
838 return FALSE;
839}
840
841
842BOOL TestBinary (CHAR *filename)
843{
844 HFILE handle;
845 ULONG ulAction;
846 ULONG len;
847 APIRET ulrc;
848 CHAR buff[512];
849
850 if(filename) {
851 if(!DosOpen(filename,&handle,&ulAction,0L,0L,
852 OPEN_ACTION_FAIL_IF_NEW | OPEN_ACTION_OPEN_IF_EXISTS,
853 OPEN_FLAGS_FAIL_ON_ERROR | OPEN_FLAGS_NOINHERIT |
854 OPEN_FLAGS_SEQUENTIAL | OPEN_SHARE_DENYNONE |
855 OPEN_ACCESS_READONLY,0L)) {
856 len = 512;
857 ulrc = DosRead(handle,buff,len,&len);
858 DosClose(handle);
859 if(!ulrc && len)
860 return IsBinary(buff,len);
861 }
862 }
863 return FALSE;
864}
865
866
867char *IsVowel (char a)
868{
869 return (strchr("aeiouAEIOU",a) != NULL) ? "n" : NullStr;
870}
871
872
873VOID GetDesktopName (CHAR *objectpath,ULONG size)
874{
875 PFN WQDPath;
876 HMODULE hmod = 0;
877 APIRET ulrc;
878 ULONG startdrive = 3L;
879 CHAR objerr[CCHMAXPATH];
880
881 if(!objectpath)
882 return;
883 *objectpath = 0;
884 if(OS2ver[0] > 20 || (OS2ver[0] == 20 && OS2ver[1] >= 30)) {
885 /*
886 * if running under warp, we can get the desktop name
887 * this way...
888 */
889 ulrc = DosLoadModule(objerr,
890 sizeof(objerr),
891 "PMWP",
892 &hmod);
893 if(!ulrc) {
894 ulrc = DosQueryProcAddr(hmod,
895 262,
896 NULL,
897 &WQDPath);
898 if(!ulrc)
899 WQDPath(objectpath,size);
900 DosFreeModule(hmod);
901 }
902 }
903 if(!*objectpath) {
904 if(!PrfQueryProfileString(HINI_SYSTEMPROFILE,
905 "FolderWorkareaRunningObjects",
906 NULL,
907 "\0",
908 (PVOID)objectpath,
909 sizeof(objectpath)))
910 *objectpath = 0;
911 if(!*objectpath || IsFile(objectpath)) {
912 DosBeep(250,10);
913 DosError(FERR_DISABLEHARDERR);
914 DosQuerySysInfo(QSV_BOOT_DRIVE,QSV_BOOT_DRIVE,
915 (PVOID)&startdrive,(ULONG)sizeof(ULONG));
916 sprintf(objectpath,
917 "%c:\\DESKTOP",
918 ((CHAR)startdrive) + '@');
919 }
920 }
921}
Note: See TracBrowser for help on using the repository browser.