source: trunk/dll/valid.c@ 21

Last change on this file since 21 was 2, checked in by root, 23 years ago

Initial revision
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File size: 19.4 KB
Line 
1#define INCL_DOS
2#define INCL_WIN
3
4#include <os2.h>
5#include <stdlib.h>
6#include <stdio.h>
7#include <string.h>
8#include <ctype.h>
9#include "fm3dll.h"
10
11#pragma alloc_text(VALID,CheckDrive,IsRoot,IsFile,IsFullName,needsquoting)
12#pragma alloc_text(VALID,IsValidDir,IsValidDrive,MakeValidDir,IsVowel)
13#pragma alloc_text(VALID,IsFileSame,IsNewer,TestDates,RootName,MakeFullName)
14#pragma alloc_text(VALID,IsExecutable,IsBinary,IsDesktop,ParentIsDesktop)
15#pragma alloc_text(FILLFLAGS,FillInDriveFlags,assign_ignores)
16#pragma alloc_text(FILLFLAGS,ArgDriveFlags,DriveFlagsOne)
17#pragma alloc_text(FINDDESK,GetDesktopName)
18
19
20APIRET MakeFullName (char *filename) {
21
22 /* filename must be CCHMAXPATH long minimum! */
23
24 char fullname[CCHMAXPATH];
25 APIRET rc;
26
27 DosError(FERR_DISABLEHARDERR);
28 rc = DosQueryPathInfo(filename,
29 FIL_QUERYFULLNAME,
30 fullname,
31 sizeof(fullname));
32 if(rc)
33 strcpy(filename,
34 fullname);
35 return rc;
36}
37
38
39char *RootName (char *filename) {
40
41 char *p = NULL,*pp;
42
43 if(filename) {
44 p = strrchr(filename,'\\');
45 pp = strrchr(filename,'/');
46 p = (p) ?
47 (pp) ?
48 (p > pp) ?
49 p :
50 pp :
51 p :
52 pp;
53 }
54 if(!p) /* name is itself a root */
55 p = filename;
56 else /* skip past backslash */
57 p++;
58 if(p &&
59 !*p &&
60 p == filename + 3) /* is root */
61 p--;
62 return p;
63}
64
65
66int TestDates (char *file1,char *file2) {
67
68 /*
69 * return 1 (file2 newer than file1),
70 * 0 (files same)
71 * or -1 (file1 newer than file2)
72 */
73
74 int comp = 0;
75 FILESTATUS3 fs3o,fs3n;
76
77 DosError(FERR_DISABLEHARDERR);
78 if(!DosQueryPathInfo(file1,
79 FIL_STANDARD,
80 &fs3o,
81 sizeof(fs3o))) {
82 DosError(FERR_DISABLEHARDERR);
83 if(!DosQueryPathInfo(file2,
84 FIL_STANDARD,
85 &fs3n,
86 sizeof(fs3n))) {
87 comp = (fs3n.fdateLastWrite.year >
88 fs3o.fdateLastWrite.year) ? 1 :
89 (fs3n.fdateLastWrite.year <
90 fs3o.fdateLastWrite.year) ? -1 :
91 (fs3n.fdateLastWrite.month >
92 fs3o.fdateLastWrite.month) ? 1 :
93 (fs3n.fdateLastWrite.month <
94 fs3o.fdateLastWrite.month) ? -1 :
95 (fs3n.fdateLastWrite.day >
96 fs3o.fdateLastWrite.day) ? 1 :
97 (fs3n.fdateLastWrite.day <
98 fs3o.fdateLastWrite.day) ? -1 :
99 (fs3n.ftimeLastWrite.hours >
100 fs3o.ftimeLastWrite.hours) ? 1 :
101 (fs3n.ftimeLastWrite.hours <
102 fs3o.ftimeLastWrite.hours) ? -1 :
103 (fs3n.ftimeLastWrite.minutes >
104 fs3o.ftimeLastWrite.minutes) ? 1 :
105 (fs3n.ftimeLastWrite.minutes <
106 fs3o.ftimeLastWrite.minutes) ? -1 :
107 (fs3n.ftimeLastWrite.twosecs >
108 fs3o.ftimeLastWrite.twosecs) ? 1 :
109 (fs3n.ftimeLastWrite.twosecs <
110 fs3o.ftimeLastWrite.twosecs) ? -1 :
111 0;
112 }
113 }
114 return comp;
115}
116
117
118BOOL IsNewer (char *file1,char *file2) {
119
120 /* return TRUE if file2 is newer than file1 */
121
122 return (TestDates(file1,file2) > 0);
123}
124
125
126BOOL IsDesktop (HAB hab,HWND hwnd) {
127
128 HWND hwndDesktop;
129
130 if(hwnd == HWND_DESKTOP)
131 return TRUE;
132 hwndDesktop = WinQueryDesktopWindow(hab,NULLHANDLE);
133 if(hwnd == hwndDesktop)
134 return TRUE;
135 return FALSE;
136}
137
138BOOL ParentIsDesktop (HWND hwnd,HWND hwndParent) {
139
140 HWND hwndDesktop;
141 BOOL ret = FALSE;
142
143 if(!hwndParent)
144 hwndParent = WinQueryWindow(hwnd,QW_PARENT);
145 if(hwndParent == HWND_DESKTOP)
146 ret = TRUE;
147 else {
148 hwndDesktop = WinQueryDesktopWindow(WinQueryAnchorBlock(hwnd),(HWND)0);
149 if(hwndDesktop == hwndParent)
150 ret = TRUE;
151 }
152 return ret;
153}
154
155
156INT CheckDrive (CHAR Drive, CHAR *FileSystem, ULONG *type) {
157
158 CHAR Path[3],*Buffer = NULL,*pfsn = NULL,*pfsd = NULL;
159 ULONG Size,Status,action,LengthIn,LengthOut;
160 HFILE Handle;
161 BYTE Command = 0,NonRemovable;
162 PFSQBUFFER2 pfsq;
163
164 if(FileSystem)
165 *FileSystem = 0;
166 if(type)
167 *type = 0;
168
169 if(DosAllocMem((PVOID)&Buffer,4096,
170 PAG_COMMIT | OBJ_TILE | PAG_READ | PAG_WRITE)) {
171 DosBeep(50,50);
172 return -1;
173 }
174
175 Path[0] = Drive;
176 Path[1] = ':';
177 Path[2] = 0;
178 Size = 4096;
179 DosError(FERR_DISABLEHARDERR);
180 Status = DosQueryFSAttach(Path, 0, FSAIL_QUERYNAME,
181 (PFSQBUFFER2)Buffer, &Size);
182 if(Status) { /* can't get any info at all */
183 DosFreeMem(Buffer);
184 DosError(FERR_DISABLEHARDERR);
185 return -1;
186 }
187
188 pfsq = (PFSQBUFFER2)Buffer;
189 pfsn = pfsq->szName + pfsq->cbName + 1;
190 pfsd = pfsn + pfsq->cbFSDName + 1;
191
192 if(FileSystem) {
193 strncpy(FileSystem, pfsn, CCHMAXPATH);
194 FileSystem[CCHMAXPATH - 1] = 0;
195 }
196
197 if(type && !strcmp(pfsn,CDFS))
198 (*type) |= (DRIVE_NOTWRITEABLE | DRIVE_CDROM | DRIVE_REMOVABLE);
199
200 if(((PFSQBUFFER2)Buffer)->iType == FSAT_REMOTEDRV) {
201 if(type)
202 (*type) |= DRIVE_REMOTE;
203 if(type && !strcmp(pfsn,CBSIFS)) {
204 (*type) |= DRIVE_ZIPSTREAM;
205 (*type) &= (~DRIVE_REMOTE);
206 (*type) |= DRIVE_NOLONGNAMES;
207 if(pfsq->cbFSAData) {
208
209 ULONG FType;
210
211 if(CheckDrive(*pfsd,NULL,&FType) != -1) {
212 if(FType & DRIVE_REMOVABLE)
213 (*type) |= DRIVE_REMOVABLE;
214 if(!(FType & DRIVE_NOLONGNAMES))
215 (*type) &= (~DRIVE_NOLONGNAMES);
216 }
217 }
218 }
219 if(type && (!strcmp(pfsn,HPFS) || !strcmp(pfsn,HPFS386)))
220 (*type) &= (~DRIVE_NOLONGNAMES);
221 DosFreeMem(Buffer);
222 return 0; /* assume remotes are non-removable */
223 }
224
225 if(strcmp(pfsn,HPFS) && strcmp(pfsn,CDFS) && strcmp(pfsn,HPFS386)) {
226 if(type)
227 (*type) |= DRIVE_NOLONGNAMES;
228 }
229
230 DosError(FERR_DISABLEHARDERR);
231 Status = DosOpen(Path, &Handle, &action, 0, 0, FILE_OPEN,
232 OPEN_ACCESS_READONLY | OPEN_SHARE_DENYNONE |
233 OPEN_FLAGS_DASD | OPEN_FLAGS_FAIL_ON_ERROR, 0);
234 if(Status) {
235 DosError(FERR_DISABLEHARDERR);
236 if(type)
237 (*type) |= DRIVE_REMOVABLE;
238 DosFreeMem(Buffer);
239 return(1); /* assume inaccessible local drives are removable */
240 }
241 LengthIn = sizeof(Command);
242 LengthOut = sizeof(NonRemovable);
243 NonRemovable = 1;
244 DosError(FERR_DISABLEHARDERR);
245 DosDevIOCtl(Handle, 8, 0x20,&Command, sizeof(Command), &LengthIn,
246 &NonRemovable, sizeof(NonRemovable), &LengthOut);
247 DosClose(Handle);
248 if(!NonRemovable && type)
249 (*type) |= DRIVE_REMOVABLE;
250 DosFreeMem(Buffer);
251 return (NonRemovable) ? 0 : 1;
252}
253
254
255BOOL IsFileSame (CHAR *filename1,CHAR *filename2) {
256
257 /* returns: -1 (error), 0 (is a directory), or 1 (is a file) */
258
259 FILESTATUS3 fsa1,fsa2;
260 APIRET ret;
261
262 if(filename1 && filename2) {
263 DosError(FERR_DISABLEHARDERR);
264 ret = DosQueryPathInfo(filename1,FIL_STANDARD,&fsa1,
265 (ULONG)sizeof(fsa1));
266 if(!ret) {
267 DosError(FERR_DISABLEHARDERR);
268 ret = DosQueryPathInfo(filename2,FIL_STANDARD,&fsa2,
269 (ULONG)sizeof(fsa2));
270 if(!ret) {
271 if(fsa1.cbFile == fsa2.cbFile &&
272 (fsa1.attrFile & (~FILE_ARCHIVED)) ==
273 (fsa2.attrFile & (~FILE_ARCHIVED)))
274 return TRUE;
275 }
276 }
277 }
278 return FALSE;
279}
280
281
282INT IsFile (CHAR *filename) {
283
284 /* returns: -1 (error), 0 (is a directory), or 1 (is a file) */
285
286 FILESTATUS3 fsa;
287 APIRET ret;
288
289 if(filename && *filename) {
290 DosError(FERR_DISABLEHARDERR);
291 ret = DosQueryPathInfo(filename,
292 FIL_STANDARD,
293 &fsa,
294 (ULONG)sizeof(fsa));
295 if(!ret)
296 return ((fsa.attrFile & FILE_DIRECTORY) == 0);
297 else if(IsValidDrive(*filename) && IsRoot(filename))
298 return 0;
299 }
300 return -1; /* error; doesn't exist or can't read or null filename */
301}
302
303
304BOOL IsFullName (CHAR *filename) {
305
306 return (filename) ?
307 (isalpha(*filename) && filename[1] == ':' && filename[2] == '\\') :
308 0;
309}
310
311
312BOOL IsRoot (CHAR *filename) {
313
314 return (filename && isalpha(*filename) && filename[1] == ':' &&
315 filename[2] == '\\' && !filename[3]);
316}
317
318
319BOOL IsValidDir (CHAR *path) {
320
321 CHAR fullname[CCHMAXPATH];
322 FILESTATUS3 fs;
323
324 if(path) {
325 DosError(FERR_DISABLEHARDERR);
326 if(!DosQueryPathInfo(path,
327 FIL_QUERYFULLNAME,
328 fullname,
329 sizeof(fullname))) {
330 if(IsValidDrive(*fullname)) {
331 if(!IsRoot(fullname)) {
332 DosError(FERR_DISABLEHARDERR);
333 if(!DosQueryPathInfo(fullname,
334 FIL_STANDARD,
335 &fs,
336 sizeof(fs)) &&
337 (fs.attrFile & FILE_DIRECTORY))
338 return TRUE;
339 }
340 else
341 return TRUE;
342 }
343 }
344 }
345 return FALSE;
346}
347
348
349BOOL IsValidDrive (CHAR drive) {
350
351 CHAR Path[] = " :",Buffer[256];
352 APIRET Status;
353 ULONG Size;
354 ULONG ulDriveNum,ulDriveMap;
355
356 if(!isalpha(drive) ||
357 (driveflags[toupper(drive) - 'A'] & (DRIVE_IGNORE | DRIVE_INVALID)))
358 return FALSE;
359 DosError(FERR_DISABLEHARDERR);
360 Status = DosQCurDisk(&ulDriveNum,&ulDriveMap);
361 if(!Status) {
362 if(!(ulDriveMap & (1L << (ULONG)(toupper(drive) - 'A'))))
363 return FALSE;
364 Path[0] = toupper(drive);
365 Size = sizeof(Buffer);
366 DosError(FERR_DISABLEHARDERR);
367 Status = DosQueryFSAttach(Path,
368 0,
369 FSAIL_QUERYNAME,
370 (PFSQBUFFER2)Buffer,
371 &Size);
372 }
373 return (Status == 0);
374}
375
376
377CHAR * MakeValidDir (CHAR *path) {
378
379 CHAR fullname[CCHMAXPATH],drive;
380 register CHAR *p;
381 FILESTATUS3 fs;
382 APIRET status;
383
384 if(!MakeFullName(path)) {
385 if(IsValidDrive(*path)) {
386 for(;;) {
387 if(IsRoot(path))
388 return path;
389 DosError(FERR_DISABLEHARDERR);
390 status = DosQueryPathInfo(path,
391 FIL_STANDARD,
392 &fs,
393 sizeof(fs));
394 if(!status &&
395 (fs.attrFile & FILE_DIRECTORY) != 0)
396 return path;
397 p = strrchr(path,'\\');
398 if(p) {
399 if(p < path + 3)
400 p++;
401 *p = 0;
402 }
403 else
404 break;
405 }
406 }
407 }
408 DosError(FERR_DISABLEHARDERR);
409 if(!DosQuerySysInfo(QSV_BOOT_DRIVE,
410 QSV_BOOT_DRIVE,
411 &drive,
412 1L)) {
413 drive += '@';
414 if(drive < 'C')
415 drive = 'C';
416 strcpy(path," :\\");
417 *path = drive;
418 }
419 else
420 save_dir2(path);
421 return path;
422}
423
424
425BOOL IsExecutable (CHAR *filename) {
426
427 register CHAR *p;
428 APIRET ret;
429 ULONG apptype;
430
431 if(filename) {
432 DosError(FERR_DISABLEHARDERR);
433 p = strrchr(filename,'.');
434 if(p)
435 ret = DosQAppType(filename,
436 &apptype);
437 else {
438
439 char fname[CCHMAXPATH + 2];
440
441 strcpy(fname,filename);
442 strcat(fname,".");
443 ret = DosQAppType(fname,
444 &apptype);
445 }
446 if((!ret && (!apptype ||
447 (apptype &
448 (FAPPTYP_NOTWINDOWCOMPAT |
449 FAPPTYP_WINDOWCOMPAT |
450 FAPPTYP_WINDOWAPI |
451 FAPPTYP_BOUND |
452 FAPPTYP_DOS |
453 FAPPTYP_WINDOWSREAL |
454 FAPPTYP_WINDOWSPROT |
455 FAPPTYP_32BIT |
456 0x1000)))) ||
457 (p &&
458 (!stricmp(p,".CMD") ||
459 !stricmp(p,".BAT"))))
460 return TRUE;
461 }
462 return FALSE;
463}
464
465
466VOID ArgDriveFlags (INT argc,CHAR **argv) {
467
468 INT x;
469
470 for(x = 1;x < argc;x++) {
471 if(*argv[x] == '/' && isalpha(argv[x][1])) {
472
473 CHAR *p = &argv[x][1];
474
475 while(isalpha(*p)) {
476 driveflags[toupper(*p) - 'A'] |= DRIVE_IGNORE;
477 p++;
478 }
479 }
480 else if(*argv[x] == ';' && isalpha(argv[x][1])) {
481
482 CHAR *p = &argv[x][1];
483
484 while(isalpha(*p)) {
485 driveflags[toupper(*p) - 'A'] |= DRIVE_NOPRESCAN;
486 p++;
487 }
488 }
489 else if(*argv[x] == ',' && isalpha(argv[x][1])) {
490
491 CHAR *p = &argv[x][1];
492
493 while(isalpha(*p)) {
494 driveflags[toupper(*p) - 'A'] |= DRIVE_NOLOADICONS;
495 p++;
496 }
497 }
498 else if(*argv[x] == '`' && isalpha(argv[x][1])) {
499
500 CHAR *p = &argv[x][1];
501
502 while(isalpha(*p)) {
503 driveflags[toupper(*p) - 'A'] |= DRIVE_NOLOADSUBJS;
504 p++;
505 }
506 }
507 else if(*argv[x] == '\'' && isalpha(argv[x][1])) {
508
509 CHAR *p = &argv[x][1];
510
511 while(isalpha(*p)) {
512 driveflags[toupper(*p) - 'A'] |= DRIVE_NOLOADLONGS;
513 p++;
514 }
515 }
516 }
517}
518
519
520VOID DriveFlagsOne (INT x) {
521
522 INT removable;
523 CHAR szDrive[] = " :\\",FileSystem[CCHMAXPATH];
524 ULONG drvtype;
525
526 *szDrive = (CHAR)(x + 'A');
527 *FileSystem = 0;
528 drvtype = 0;
529 removable = CheckDrive(*szDrive,FileSystem,&drvtype);
530 driveserial[x] = -1;
531 driveflags[x] &= (DRIVE_IGNORE | DRIVE_NOPRESCAN | DRIVE_NOLOADICONS |
532 DRIVE_NOLOADSUBJS | DRIVE_NOLOADLONGS |
533 DRIVE_INCLUDEFILES | DRIVE_SLOW);
534 if(removable != -1) {
535
536 struct {
537 ULONG serial;
538 CHAR volumelength;
539 CHAR volumelabel[CCHMAXPATH];
540 } volser;
541
542 DosError(FERR_DISABLEHARDERR);
543 if(!DosQueryFSInfo((ULONG)x + 1,FSIL_VOLSER,&volser,sizeof(volser)))
544 driveserial[x] = volser.serial;
545 else
546 DosError(FERR_DISABLEHARDERR);
547 }
548 else
549 driveflags[x] |= DRIVE_INVALID;
550 driveflags[x] |= ((removable == -1 || removable == 1) ?
551 DRIVE_REMOVABLE : 0);
552 if(drvtype & DRIVE_REMOTE)
553 driveflags[x] |= DRIVE_REMOTE;
554 if(strcmp(FileSystem,HPFS) &&
555 strcmp(FileSystem,HPFS386) &&
556 strcmp(FileSystem,CDFS))
557 driveflags[x] |= DRIVE_NOLONGNAMES;
558 if(!strcmp(FileSystem,CDFS)) {
559 removable = 1;
560 driveflags[x] |= (DRIVE_REMOVABLE | DRIVE_NOTWRITEABLE |
561 DRIVE_CDROM);
562 }
563 else if(!stricmp(FileSystem,CBSIFS)) {
564 driveflags[x] |= DRIVE_ZIPSTREAM;
565 driveflags[x] &= (~DRIVE_REMOTE);
566 if(drvtype & DRIVE_REMOVABLE)
567 driveflags[x] |= DRIVE_REMOVABLE;
568 if(!(drvtype & DRIVE_NOLONGNAMES))
569 driveflags[x] &= (~DRIVE_NOLONGNAMES);
570 }
571}
572
573
574VOID FillInDriveFlags (VOID *dummy) {
575
576 ULONG ulDriveNum,ulDriveMap;
577 register INT x;
578
579 for(x = 0;x < 26;x++)
580 driveflags[x] &= (DRIVE_IGNORE | DRIVE_NOPRESCAN | DRIVE_NOLOADICONS |
581 DRIVE_NOLOADSUBJS | DRIVE_NOLOADLONGS |
582 DRIVE_INCLUDEFILES | DRIVE_SLOW);
583 memset(driveserial,-1,sizeof(driveserial));
584 DosError(FERR_DISABLEHARDERR);
585 DosQCurDisk(&ulDriveNum,&ulDriveMap);
586 for(x = 0;x < 26;x++) {
587 if(ulDriveMap & (1L << x) && !(driveflags[x] & DRIVE_IGNORE)) {
588 {
589 CHAR s[80];
590 ULONG flags = 0,size = sizeof(ULONG);
591
592 sprintf(s,"%c.DriveFlags",(CHAR)(x + 'A'));
593 if(PrfQueryProfileData(fmprof,appname,s,&flags,&size) &&
594 size == sizeof(ULONG))
595 driveflags[x] |= flags;
596 }
597
598 if(x > 1) {
599 if(!(driveflags[x] & DRIVE_NOPRESCAN))
600 DriveFlagsOne(x);
601 else
602 driveserial[x] = -1;
603 }
604 else {
605 driveflags[x] |= (DRIVE_REMOVABLE | DRIVE_NOLONGNAMES);
606 driveserial[x] = -1;
607 }
608 }
609 else if(!(ulDriveMap & (1L << x)))
610 driveflags[x] |= DRIVE_INVALID;
611 }
612 {
613 ULONG startdrive = 3L;
614
615 DosError(FERR_DISABLEHARDERR);
616 DosQuerySysInfo(QSV_BOOT_DRIVE,QSV_BOOT_DRIVE,
617 (PVOID)&startdrive,(ULONG)sizeof(ULONG));
618 if(startdrive)
619 driveflags[startdrive - 1] |= DRIVE_BOOT;
620 }
621}
622
623
624CHAR * assign_ignores (CHAR *s) {
625
626 register INT x;
627 register CHAR *p,*pp;
628
629 *s = '/';
630 s[1] = 0;
631 p = s + 1;
632 if(s) {
633 for(x = 0;x < 26;x++) {
634 if((driveflags[x] & DRIVE_IGNORE) != 0) {
635 *p = (CHAR)x + 'A';
636 p++;
637 *p = 0;
638 }
639 }
640 }
641 if(!s[1]) {
642 *s = 0;
643 pp = s;
644 }
645 else {
646 pp = &s[strlen(s)];
647 *pp = ' ';
648 pp++;
649 }
650 *pp = ';';
651 pp[1] = 0;
652 p = pp + 1;
653 if(pp) {
654 for(x = 0;x < 26;x++) {
655 if((driveflags[x] & DRIVE_NOPRESCAN) != 0) {
656 *p = (CHAR)x + 'A';
657 p++;
658 *p = 0;
659 }
660 }
661 }
662 if(!pp[1])
663 *pp = 0;
664 pp = &s[strlen(s)];
665 *pp = ' ';
666 pp++;
667 *pp = ',';
668 pp[1] = 0;
669 p = pp + 1;
670 if(pp) {
671 for(x = 0;x < 26;x++) {
672 if((driveflags[x] & DRIVE_NOLOADICONS) != 0) {
673 *p = (CHAR)x + 'A';
674 p++;
675 *p = 0;
676 }
677 }
678 }
679 if(!pp[1])
680 *pp = 0;
681 pp = &s[strlen(s)];
682 *pp = ' ';
683 pp++;
684 *pp = '`';
685 pp[1] = 0;
686 p = pp + 1;
687 if(pp) {
688 for(x = 0;x < 26;x++) {
689 if((driveflags[x] & DRIVE_NOLOADSUBJS) != 0) {
690 *p = (CHAR)x + 'A';
691 p++;
692 *p = 0;
693 }
694 }
695 }
696 if(!pp[1])
697 *pp = 0;
698 pp = &s[strlen(s)];
699 *pp = ' ';
700 pp++;
701 *pp = '\'';
702 pp[1] = 0;
703 p = pp + 1;
704 if(pp) {
705 for(x = 0;x < 26;x++) {
706 if((driveflags[x] & DRIVE_NOLOADLONGS) != 0) {
707 *p = (CHAR)x + 'A';
708 p++;
709 *p = 0;
710 }
711 }
712 }
713 if(!pp[1])
714 *pp = 0;
715 lstrip(rstrip(s));
716 return s;
717}
718
719
720BOOL needs_quoting (register CHAR *f) {
721
722 register CHAR *p = " &|<>";
723
724 while(*p) {
725 if(strchr(f,*p))
726 return TRUE;
727 p++;
728 }
729 return FALSE;
730}
731
732
733BOOL IsBinary (register CHAR *str,ULONG len) {
734
735 register ULONG x = 0L;
736
737 if(str) {
738 while(x < len) {
739 if(str[x] < ' ' && str[x] != '\r' && str[x] != '\n' && str[x] != '\t' &&
740 str[x] != '\x1b' && str[x] != '\x1a' && str[x] != '\07' &&
741 str[x] != '\x0c')
742 return TRUE;
743 x++;
744 }
745 }
746 return FALSE;
747}
748
749
750BOOL TestBinary (CHAR *filename) {
751
752 HFILE handle;
753 ULONG action,len;
754 APIRET rc;
755 CHAR buff[512];
756
757 if(filename) {
758 if(!DosOpen(filename,&handle,&action,0L,0L,
759 OPEN_ACTION_FAIL_IF_NEW | OPEN_ACTION_OPEN_IF_EXISTS,
760 OPEN_FLAGS_FAIL_ON_ERROR | OPEN_FLAGS_NOINHERIT |
761 OPEN_FLAGS_SEQUENTIAL | OPEN_SHARE_DENYNONE |
762 OPEN_ACCESS_READONLY,0L)) {
763 len = 512;
764 rc = DosRead(handle,buff,len,&len);
765 DosClose(handle);
766 if(!rc && len)
767 return IsBinary(buff,len);
768 }
769 }
770 return FALSE;
771}
772
773
774char *IsVowel (char a) {
775
776 return (strchr("aeiouAEIOU",a) != NULL) ? "n" : NullStr;
777}
778
779
780VOID GetDesktopName (CHAR *objectpath,ULONG size) {
781
782 PFN WQDPath;
783 HMODULE hmod = 0;
784 APIRET rc;
785 ULONG startdrive = 3L;
786 CHAR objerr[CCHMAXPATH];
787
788 if(!objectpath)
789 return;
790 *objectpath = 0;
791 if(OS2ver[0] > 20 || (OS2ver[0] == 20 && OS2ver[1] >= 30)) {
792 /*
793 * if running under warp, we can get the desktop name
794 * this way...
795 */
796 rc = DosLoadModule(objerr,
797 sizeof(objerr),
798 "PMWP",
799 &hmod);
800 if(!rc) {
801 rc = DosQueryProcAddr(hmod,
802 262,
803 NULL,
804 &WQDPath);
805 if(!rc)
806 WQDPath(objectpath,size);
807 DosFreeModule(hmod);
808 }
809 }
810 if(!*objectpath) {
811 if(!PrfQueryProfileString(HINI_SYSTEMPROFILE,
812 "FolderWorkareaRunningObjects",
813 NULL,
814 "\0",
815 (PVOID)objectpath,
816 sizeof(objectpath)))
817 *objectpath = 0;
818 if(!*objectpath || IsFile(objectpath)) {
819 DosBeep(250,10);
820 DosError(FERR_DISABLEHARDERR);
821 DosQuerySysInfo(QSV_BOOT_DRIVE,QSV_BOOT_DRIVE,
822 (PVOID)&startdrive,(ULONG)sizeof(ULONG));
823 sprintf(objectpath,
824 "%c:\\DESKTOP",
825 ((CHAR)startdrive) + '@');
826 }
827 }
828}
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