?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
Release 980601
[wine.git] / msdos / int21.c
blob723deb353a2288c9b53dbdbe80857799b73a5e46
1 /*
2 * DOS interrupt 21h handler
3 */
4
5 #include <time.h>
6 #include <fcntl.h>
7 #include <errno.h>
8 #include <stdlib.h>
9 #include <sys/file.h>
10 #include <string.h>
11 #include <sys/stat.h>
12 #include <sys/time.h>
13 #include <sys/types.h>
14 #include <unistd.h>
15 #include <utime.h>
16 #include <ctype.h>
17 #include "windows.h"
18 #include "drive.h"
19 #include "file.h"
20 #include "heap.h"
21 #include "msdos.h"
22 #include "ldt.h"
23 #include "task.h"
24 #include "options.h"
25 #include "miscemu.h"
26 #include "debug.h"
27 #if defined(__svr4__) || defined(_SCO_DS)
28 /* SVR4 DOESNT do locking the same way must implement properly */
29 #define LOCK_EX 0
30 #define LOCK_SH 1
31 #define LOCK_NB 8
32 #endif
33
34
35 #define DOS_GET_DRIVE(reg) ((reg) ? (reg) - 1 : DRIVE_GetCurrentDrive())
36
37 /* Define the drive parameter block, as used by int21/1F
38 * and int21/32. This table can be accessed through the
39 * global 'dpb' pointer, which points into the local dos
40 * heap.
41 */
42 struct DPB
43 {
44 BYTE drive_num; /* 0=A, etc. */
45 BYTE unit_num; /* Drive's unit number (?) */
46 WORD sector_size; /* Sector size in bytes */
47 BYTE high_sector; /* Highest sector in a cluster */
48 BYTE shift; /* Shift count (?) */
49 WORD reserved; /* Number of reserved sectors at start */
50 BYTE num_FAT; /* Number of FATs */
51 WORD dir_entries; /* Number of root dir entries */
52 WORD first_data; /* First data sector */
53 WORD high_cluster; /* Highest cluster number */
54 WORD sectors_in_FAT; /* Number of sectors per FAT */
55 WORD start_dir; /* Starting sector of first dir */
56 DWORD driver_head; /* Address of device driver header (?) */
57 BYTE media_ID; /* Media ID */
58 BYTE access_flag; /* Prev. accessed flag (0=yes,0xFF=no) */
59 DWORD next; /* Pointer to next DPB in list */
60 WORD free_search; /* Free cluster search start */
61 WORD free_clusters; /* Number of free clusters (0xFFFF=unknown) */
62 };
63
64 WORD CodePage = 437;
65 DWORD dpbsegptr;
66
67 struct DosHeap {
68 BYTE InDosFlag;
69 BYTE mediaID;
70 BYTE biosdate[8];
71 struct DPB dpb;
72 };
73 static struct DosHeap *heap;
74 static WORD DosHeapHandle;
75
76 WORD sharing_retries = 3; /* number of retries at sharing violation */
77 WORD sharing_pause = 1; /* pause between retries */
78
79 extern char TempDirectory[];
80
81 static BOOL32 INT21_CreateHeap(void)
82 {
83 if (!(DosHeapHandle = GlobalAlloc16(GMEM_FIXED,sizeof(struct DosHeap))))
84 {
85 WARN(int21, "Out of memory\n");
86 return FALSE;
87 }
88 heap = (struct DosHeap *) GlobalLock16(DosHeapHandle);
89 dpbsegptr = PTR_SEG_OFF_TO_SEGPTR(DosHeapHandle,(int)&heap->dpb-(int)heap);
90 heap->InDosFlag = 0;
91 strcpy(heap->biosdate, "01/01/80");
92 return TRUE;
93 }
94
95 static BYTE *GetCurrentDTA(void)
96 {
97 TDB *pTask = (TDB *)GlobalLock16( GetCurrentTask() );
98 return (BYTE *)PTR_SEG_TO_LIN( pTask->dta );
99 }
100
101
102 void CreateBPB(int drive, BYTE *data, BOOL16 limited)
103 /* limited == TRUE is used with INT 0x21/0x440d */
104 {
105 if (drive > 1) {
106 setword(data, 512);
107 data[2] = 2;
108 setword(&data[3], 0);
109 data[5] = 2;
110 setword(&data[6], 240);
111 setword(&data[8], 64000);
112 data[0x0a] = 0xf8;
113 setword(&data[0x0b], 40);
114 setword(&data[0x0d], 56);
115 setword(&data[0x0f], 2);
116 setword(&data[0x11], 0);
117 if (!limited) {
118 setword(&data[0x1f], 800);
119 data[0x21] = 5;
120 setword(&data[0x22], 1);
121 }
122 } else { /* 1.44mb */
123 setword(data, 512);
124 data[2] = 2;
125 setword(&data[3], 0);
126 data[5] = 2;
127 setword(&data[6], 240);
128 setword(&data[8], 2880);
129 data[0x0a] = 0xf8;
130 setword(&data[0x0b], 6);
131 setword(&data[0x0d], 18);
132 setword(&data[0x0f], 2);
133 setword(&data[0x11], 0);
134 if (!limited) {
135 setword(&data[0x1f], 80);
136 data[0x21] = 7;
137 setword(&data[0x22], 2);
138 }
139 }
140 }
141
142 static int INT21_GetFreeDiskSpace( CONTEXT *context )
143 {
144 DWORD cluster_sectors, sector_bytes, free_clusters, total_clusters;
145 char root[] = "A:\\";
146
147 *root += DOS_GET_DRIVE( DL_reg(context) );
148 if (!GetDiskFreeSpace32A( root, &cluster_sectors, &sector_bytes,
149 &free_clusters, &total_clusters )) return 0;
150 AX_reg(context) = cluster_sectors;
151 BX_reg(context) = free_clusters;
152 CX_reg(context) = sector_bytes;
153 DX_reg(context) = total_clusters;
154 return 1;
155 }
156
157 static int INT21_GetDriveAllocInfo( CONTEXT *context )
158 {
159 if (!INT21_GetFreeDiskSpace( context )) return 0;
160 if (!heap && !INT21_CreateHeap()) return 0;
161 heap->mediaID = 0xf0;
162 DS_reg(context) = DosHeapHandle;
163 BX_reg(context) = (int)&heap->mediaID - (int)heap;
164 return 1;
165 }
166
167 static void GetDrivePB( CONTEXT *context, int drive )
168 {
169 if(!DRIVE_IsValid(drive))
170 {
171 DOS_ERROR( ER_InvalidDrive, EC_MediaError, SA_Abort, EL_Disk );
172 AX_reg(context) = 0x00ff;
173 }
174 else if (heap || INT21_CreateHeap())
175 {
176 FIXME(int21, "GetDrivePB not fully implemented.\n");
177
178 /* FIXME: I have no idea what a lot of this information should
179 * say or whether it even really matters since we're not allowing
180 * direct block access. However, some programs seem to depend on
181 * getting at least _something_ back from here. The 'next' pointer
182 * does worry me, though. Should we have a complete table of
183 * separate DPBs per drive? Probably, but I'm lazy. :-) -CH
184 */
185 heap->dpb.drive_num = heap->dpb.unit_num = drive; /*The same?*/
186 heap->dpb.sector_size = 512;
187 heap->dpb.high_sector = 1;
188 heap->dpb.shift = drive < 2 ? 0 : 6; /*6 for HD, 0 for floppy*/
189 heap->dpb.reserved = 0;
190 heap->dpb.num_FAT = 1;
191 heap->dpb.dir_entries = 2;
192 heap->dpb.first_data = 2;
193 heap->dpb.high_cluster = 64000;
194 heap->dpb.sectors_in_FAT = 1;
195 heap->dpb.start_dir = 1;
196 heap->dpb.driver_head = 0;
197 heap->dpb.media_ID = (drive > 1) ? 0xF8 : 0xF0;
198 heap->dpb.access_flag = 0;
199 heap->dpb.next = 0;
200 heap->dpb.free_search = 0;
201 heap->dpb.free_clusters = 0xFFFF; /* unknown */
202
203 AL_reg(context) = 0x00;
204 DS_reg(context) = SELECTOROF(dpbsegptr);
205 BX_reg(context) = OFFSETOF(dpbsegptr);
206 }
207 }
208
209
210 static void ioctlGetDeviceInfo( CONTEXT *context )
211 {
212 int curr_drive;
213 TRACE(int21, "(%d)\n", BX_reg(context));
214
215 curr_drive = DRIVE_GetCurrentDrive();
216 DX_reg(context) = 0x0140 + curr_drive + ((curr_drive > 1) ? 0x0800 : 0);
217 /* no floppy */
218 /* bits 0-5 are current drive
219 * bit 6 - file has NOT been written..FIXME: correct?
220 * bit 8 - generate int24 if no diskspace on write/ read past end of file
221 * bit 11 - media not removable
222 * bit 14 - don't set file date/time on closing
223 * bit 15 - file is remote
224 */
225 RESET_CFLAG(context);
226 }
227
228 static BOOL32 ioctlGenericBlkDevReq( CONTEXT *context )
229 {
230 BYTE *dataptr = PTR_SEG_OFF_TO_LIN(DS_reg(context), DX_reg(context));
231 int drive = DOS_GET_DRIVE( BL_reg(context) );
232
233 if (!DRIVE_IsValid(drive))
234 {
235 DOS_ERROR( ER_FileNotFound, EC_NotFound, SA_Abort, EL_Disk );
236 return TRUE;
237 }
238
239 if (CH_reg(context) != 0x08)
240 {
241 INT_BARF( context, 0x21 );
242 return FALSE;
243 }
244
245 switch (CL_reg(context))
246 {
247 case 0x4a: /* lock logical volume */
248 TRACE(int21,"lock logical volume (%d) level %d mode %d\n",drive,BH_reg(context),DX_reg(context));
249 break;
250
251 case 0x60: /* get device parameters */
252 /* used by w4wgrp's winfile */
253 memset(dataptr, 0, 0x20); /* DOS 6.22 uses 0x20 bytes */
254 dataptr[0] = 0x04;
255 dataptr[6] = 0; /* media type */
256 if (drive > 1)
257 {
258 dataptr[1] = 0x05; /* fixed disk */
259 setword(&dataptr[2], 0x01); /* non removable */
260 setword(&dataptr[4], 0x300); /* # of cylinders */
261 }
262 else
263 {
264 dataptr[1] = 0x07; /* block dev, floppy */
265 setword(&dataptr[2], 0x02); /* removable */
266 setword(&dataptr[4], 80); /* # of cylinders */
267 }
268 CreateBPB(drive, &dataptr[7], TRUE);
269 RESET_CFLAG(context);
270 break;
271
272 case 0x66:/* get disk serial number */
273 {
274 char label[12],fsname[9],path[4];
275 DWORD serial;
276
277 strcpy(path,"x:\\");path[0]=drive+'A';
278 GetVolumeInformation32A(
279 path,label,12,&serial,NULL,NULL,fsname,9
280 );
281 *(WORD*)dataptr = 0;
282 memcpy(dataptr+2,&serial,4);
283 memcpy(dataptr+6,label ,11);
284 memcpy(dataptr+17,fsname,8);
285 }
286 break;
287
288 case 0x6a:
289 TRACE(int21,"logical volume %d unlocked.\n",drive);
290 break;
291
292 default:
293 INT_BARF( context, 0x21 );
294 }
295 return FALSE;
296 }
297
298 static void INT21_GetSystemDate( CONTEXT *context )
299 {
300 SYSTEMTIME systime;
301 GetLocalTime( &systime );
302 CX_reg(context) = systime.wYear;
303 DX_reg(context) = (systime.wMonth << 8) | systime.wDay;
304 AX_reg(context) = systime.wDayOfWeek;
305 }
306
307 static void INT21_GetSystemTime( CONTEXT *context )
308 {
309 SYSTEMTIME systime;
310 GetLocalTime( &systime );
311 CX_reg(context) = (systime.wHour << 8) | systime.wMinute;
312 DX_reg(context) = (systime.wSecond << 8) | (systime.wMilliseconds / 10);
313 }
314
315 /* Many calls translate a drive argument like this:
316 drive number (00h = default, 01h = A:, etc)
317 */
318 static char drivestring[]="default";
319
320 char *INT21_DriveName(int drive)
321 {
322
323 if(drive >0)
324 {
325 drivestring[0]= (unsigned char)drive + '@';
326 drivestring[1]=':';
327 drivestring[2]=0;
328 }
329 return drivestring;
330 }
331 static BOOL32 INT21_CreateFile( CONTEXT *context )
332 {
333 AX_reg(context) = _lcreat16( PTR_SEG_OFF_TO_LIN( DS_reg(context),
334 DX_reg(context) ), CX_reg(context) );
335 return (AX_reg(context) == (WORD)HFILE_ERROR16);
336 }
337
338
339 static void OpenExistingFile( CONTEXT *context )
340 {
341 AX_reg(context) = _lopen16( PTR_SEG_OFF_TO_LIN(DS_reg(context),DX_reg(context)),
342 AL_reg(context) );
343 if (AX_reg(context) == (WORD)HFILE_ERROR16)
344 {
345 AX_reg(context) = DOS_ExtendedError;
346 SET_CFLAG(context);
347 }
348 #if 0
349 {
350 int handle;
351 int mode;
352 int lock;
353
354 switch (AX_reg(context) & 0x0070)
355 {
356 case 0x00: /* compatability mode */
357 case 0x40: /* DENYNONE */
358 lock = -1;
359 break;
360
361 case 0x30: /* DENYREAD */
362 TRACE(int21, "(%s): DENYREAD changed to DENYALL\n",
363 (char *)PTR_SEG_OFF_TO_LIN(DS_reg(context),DX_reg(context)));
364 case 0x10: /* DENYALL */
365 lock = LOCK_EX;
366 break;
367
368 case 0x20: /* DENYWRITE */
369 lock = LOCK_SH;
370 break;
371
372 default:
373 lock = -1;
374 }
375
376 if (lock != -1)
377 {
378
379 int result,retries=sharing_retries;
380 {
381 #if defined(__svr4__) || defined(_SCO_DS)
382 ERR(int21, "Should call flock and needs porting to lockf\n");
383 result = 0;
384 retries = 0;
385 #else
386 result = flock(handle, lock | LOCK_NB);
387 #endif
388 if ( retries && (!result) )
389 {
390 int i;
391 for(i=0;i<32768*((int)sharing_pause);i++)
392 result++; /* stop the optimizer */
393 for(i=0;i<32768*((int)sharing_pause);i++)
394 result--;
395 }
396 }
397 while( (!result) && (!(retries--)) );
398
399 if(result)
400 {
401 errno_to_doserr();
402 AX_reg(context) = DOS_ExtendedError;
403 close(handle);
404 SET_CFLAG(context);
405 return;
406 }
407
408 }
409
410 Error (0,0,0);
411 AX_reg(context) = handle;
412 RESET_CFLAG(context);
413 }
414 #endif
415 }
416
417 static void CloseFile( CONTEXT *context )
418 {
419 if ((AX_reg(context) = _lclose16( BX_reg(context) )) != 0)
420 {
421 AX_reg(context) = DOS_ExtendedError;
422 SET_CFLAG(context);
423 }
424 }
425
426 static BOOL32 INT21_ExtendedOpenCreateFile(CONTEXT *context )
427 {
428 BOOL32 bExtendedError = FALSE;
429 BYTE action = DL_reg(context);
430
431 /* Shuffle arguments to call OpenExistingFile */
432 AL_reg(context) = BL_reg(context);
433 DX_reg(context) = SI_reg(context);
434 /* BX,CX and DX should be preserved */
435 OpenExistingFile(context);
436
437 if ((EFL_reg(context) & 0x0001) == 0) /* File exists */
438 {
439 UINT16 uReturnCX = 0;
440
441 /* Now decide what do do */
442
443 if ((action & 0x07) == 0)
444 {
445 BX_reg(context) = AX_reg(context);
446 CloseFile(context);
447 AX_reg(context) = 0x0050; /*File exists*/
448 SET_CFLAG(context);
449 WARN(int21, "extended open/create: failed because file exists \n");
450 }
451 else if ((action & 0x07) == 2)
452 {
453 /* Truncate it, but first check if opened for write */
454 if ((BL_reg(context) & 0x0007)== 0)
455 {
456 BX_reg(context) = AX_reg(context);
457 CloseFile(context);
458 WARN(int21, "extended open/create: failed, trunc on ro file\n");
459 AX_reg(context) = 0x000C; /*Access code invalid*/
460 SET_CFLAG(context);
461 }
462 else
463 {
464 /* Shuffle arguments to call CloseFile while
465 * preserving BX and DX */
466
467 TRACE(int21, "extended open/create: Closing before truncate\n");
468 BX_reg(context) = AX_reg(context);
469 CloseFile(context);
470 if (EFL_reg(context) & 0x0001)
471 {
472 WARN(int21, "extended open/create: close before trunc failed\n");
473 AX_reg(context) = 0x0019; /*Seek Error*/
474 CX_reg(context) = 0;
475 SET_CFLAG(context);
476 }
477 /* Shuffle arguments to call CreateFile */
478
479 TRACE(int21, "extended open/create: Truncating\n");
480 AL_reg(context) = BL_reg(context);
481 /* CX is still the same */
482 DX_reg(context) = SI_reg(context);
483 bExtendedError = INT21_CreateFile(context);
484
485 if (EFL_reg(context) & 0x0001) /*no file open, flags set */
486 {
487 WARN(int21, "extended open/create: trunc failed\n");
488 return bExtendedError;
489 }
490 uReturnCX = 0x3;
491 }
492 }
493 else uReturnCX = 0x1;
494
495 CX_reg(context) = uReturnCX;
496 }
497 else /* file does not exist */
498 {
499 RESET_CFLAG(context); /* was set by OpenExistingFile(context) */
500 if ((action & 0xF0)== 0)
501 {
502 CX_reg(context) = 0;
503 SET_CFLAG(context);
504 WARN(int21, "extended open/create: failed, file dosen't exist\n");
505 }
506 else
507 {
508 /* Shuffle arguments to call CreateFile */
509 TRACE(int21, "extended open/create: Creating\n");
510 AL_reg(context) = BL_reg(context);
511 /* CX should still be the same */
512 DX_reg(context) = SI_reg(context);
513 bExtendedError = INT21_CreateFile(context);
514 if (EFL_reg(context) & 0x0001) /*no file open, flags set */
515 {
516 WARN(int21, "extended open/create: create failed\n");
517 return bExtendedError;
518 }
519 CX_reg(context) = 2;
520 }
521 }
522
523 return bExtendedError;
524 }
525
526
527 static BOOL32 INT21_ChangeDir( CONTEXT *context )
528 {
529 int drive;
530 char *dirname = PTR_SEG_OFF_TO_LIN(DS_reg(context),DX_reg(context));
531
532 TRACE(int21,"changedir %s\n", dirname);
533 if (dirname[0] && (dirname[1] == ':'))
534 {
535 drive = toupper(dirname[0]) - 'A';
536 dirname += 2;
537 }
538 else drive = DRIVE_GetCurrentDrive();
539 return DRIVE_Chdir( drive, dirname );
540 }
541
542
543 static int INT21_FindFirst( CONTEXT *context )
544 {
545 char *p;
546 const char *path;
547 DOS_FULL_NAME full_name;
548 FINDFILE_DTA *dta = (FINDFILE_DTA *)GetCurrentDTA();
549
550 path = (const char *)PTR_SEG_OFF_TO_LIN(DS_reg(context), DX_reg(context));
551 dta->unixPath = NULL;
552 if (!DOSFS_GetFullName( path, FALSE, &full_name ))
553 {
554 AX_reg(context) = DOS_ExtendedError;
555 SET_CFLAG(context);
556 return 0;
557 }
558 dta->unixPath = HEAP_strdupA( GetProcessHeap(), 0, full_name.long_name );
559 p = strrchr( dta->unixPath, '/' );
560 *p = '\0';
561
562 /* Note: terminating NULL in dta->mask overwrites dta->search_attr
563 * (doesn't matter as it is set below anyway)
564 */
565 if (!DOSFS_ToDosFCBFormat( p + 1, dta->mask ))
566 {
567 HeapFree( GetProcessHeap(), 0, dta->unixPath );
568 dta->unixPath = NULL;
569 DOS_ERROR( ER_FileNotFound, EC_NotFound, SA_Abort, EL_Disk );
570 AX_reg(context) = ER_FileNotFound;
571 SET_CFLAG(context);
572 return 0;
573 }
574 dta->drive = (path[0] && (path[1] == ':')) ? toupper(path[0]) - 'A'
575 : DRIVE_GetCurrentDrive();
576 dta->count = 0;
577 dta->search_attr = CL_reg(context);
578 return 1;
579 }
580
581
582 static int INT21_FindNext( CONTEXT *context )
583 {
584 FINDFILE_DTA *dta = (FINDFILE_DTA *)GetCurrentDTA();
585 WIN32_FIND_DATA32A entry;
586 int count;
587
588 if (!dta->unixPath) return 0;
589 if (!(count = DOSFS_FindNext( dta->unixPath, dta->mask, NULL, dta->drive,
590 dta->search_attr, dta->count, &entry )))
591 {
592 HeapFree( GetProcessHeap(), 0, dta->unixPath );
593 dta->unixPath = NULL;
594 return 0;
595 }
596 if ((int)dta->count + count > 0xffff)
597 {
598 WARN(int21, "Too many directory entries in %s\n", dta->unixPath );
599 HeapFree( GetProcessHeap(), 0, dta->unixPath );
600 dta->unixPath = NULL;
601 return 0;
602 }
603 dta->count += count;
604 dta->fileattr = entry.dwFileAttributes;
605 dta->filesize = entry.nFileSizeLow;
606 FileTimeToDosDateTime( &entry.ftLastWriteTime,
607 &dta->filedate, &dta->filetime );
608 strcpy( dta->filename, entry.cAlternateFileName );
609 return 1;
610 }
611
612
613 static BOOL32 INT21_CreateTempFile( CONTEXT *context )
614 {
615 static int counter = 0;
616 char *name = PTR_SEG_OFF_TO_LIN( DS_reg(context), DX_reg(context) );
617 char *p = name + strlen(name);
618
619 /* despite what Ralf Brown says, some programs seem to call without
620 * ending backslash (DOS accepts that, so we accept it too) */
621 if ((p == name) || (p[-1] != '\\')) *p++ = '\\';
622
623 for (;;)
624 {
625 sprintf( p, "wine%04x.%03d", (int)getpid(), counter );
626 counter = (counter + 1) % 1000;
627
628 if ((AX_reg(context) = _lcreat_uniq( name, 0 )) != (WORD)HFILE_ERROR16)
629 {
630 TRACE(int21, "created %s\n", name );
631 return TRUE;
632 }
633 if (DOS_ExtendedError != ER_FileExists) return FALSE;
634 }
635 }
636
637
638 static BOOL32 INT21_GetCurrentDirectory( CONTEXT *context )
639 {
640 int drive = DOS_GET_DRIVE( DL_reg(context) );
641 char *ptr = (char *)PTR_SEG_OFF_TO_LIN( DS_reg(context), SI_reg(context) );
642
643 if (!DRIVE_IsValid(drive))
644 {
645 DOS_ERROR( ER_InvalidDrive, EC_NotFound, SA_Abort, EL_Disk );
646 return FALSE;
647 }
648 lstrcpyn32A( ptr, DRIVE_GetDosCwd(drive), 64 );
649 AX_reg(context) = 0x0100; /* success return code */
650 return TRUE;
651 }
652
653
654 static int INT21_GetDiskSerialNumber( CONTEXT *context )
655 {
656 BYTE *dataptr = PTR_SEG_OFF_TO_LIN(DS_reg(context), DX_reg(context));
657 int drive = DOS_GET_DRIVE( BL_reg(context) );
658
659 if (!DRIVE_IsValid(drive))
660 {
661 DOS_ERROR( ER_InvalidDrive, EC_NotFound, SA_Abort, EL_Disk );
662 return 0;
663 }
664
665 *(WORD *)dataptr = 0;
666 *(DWORD *)(dataptr + 2) = DRIVE_GetSerialNumber( drive );
667 memcpy( dataptr + 6, DRIVE_GetLabel( drive ), 11 );
668 strncpy(dataptr + 0x11, "FAT16 ", 8);
669 return 1;
670 }
671
672
673 static int INT21_SetDiskSerialNumber( CONTEXT *context )
674 {
675 BYTE *dataptr = PTR_SEG_OFF_TO_LIN(DS_reg(context), DX_reg(context));
676 int drive = DOS_GET_DRIVE( BL_reg(context) );
677
678 if (!DRIVE_IsValid(drive))
679 {
680 DOS_ERROR( ER_InvalidDrive, EC_NotFound, SA_Abort, EL_Disk );
681 return 0;
682 }
683
684 DRIVE_SetSerialNumber( drive, *(DWORD *)(dataptr + 2) );
685 return 1;
686 }
687
688
689 /* microsoft's programmers should be shot for using CP/M style int21
690 calls in Windows for Workgroup's winfile.exe */
691
692 static int INT21_FindFirstFCB( CONTEXT *context )
693 {
694 BYTE *fcb = (BYTE *)PTR_SEG_OFF_TO_LIN(DS_reg(context), DX_reg(context));
695 FINDFILE_FCB *pFCB;
696 LPCSTR root, cwd;
697 int drive;
698
699 if (*fcb == 0xff) pFCB = (FINDFILE_FCB *)(fcb + 7);
700 else pFCB = (FINDFILE_FCB *)fcb;
701 drive = DOS_GET_DRIVE( pFCB->drive );
702 root = DRIVE_GetRoot( drive );
703 cwd = DRIVE_GetUnixCwd( drive );
704 pFCB->unixPath = HeapAlloc( GetProcessHeap(), 0,
705 strlen(root)+strlen(cwd)+2 );
706 if (!pFCB->unixPath) return 0;
707 strcpy( pFCB->unixPath, root );
708 strcat( pFCB->unixPath, "/" );
709 strcat( pFCB->unixPath, cwd );
710 pFCB->count = 0;
711 return 1;
712 }
713
714
715 static int INT21_FindNextFCB( CONTEXT *context )
716 {
717 BYTE *fcb = (BYTE *)PTR_SEG_OFF_TO_LIN(DS_reg(context), DX_reg(context));
718 FINDFILE_FCB *pFCB;
719 DOS_DIRENTRY_LAYOUT *pResult = (DOS_DIRENTRY_LAYOUT *)GetCurrentDTA();
720 WIN32_FIND_DATA32A entry;
721 BYTE attr;
722 int count;
723
724 if (*fcb == 0xff) /* extended FCB ? */
725 {
726 attr = fcb[6];
727 pFCB = (FINDFILE_FCB *)(fcb + 7);
728 }
729 else
730 {
731 attr = 0;
732 pFCB = (FINDFILE_FCB *)fcb;
733 }
734
735 if (!pFCB->unixPath) return 0;
736 if (!(count = DOSFS_FindNext( pFCB->unixPath, pFCB->filename, NULL,
737 DOS_GET_DRIVE( pFCB->drive ), attr,
738 pFCB->count, &entry )))
739 {
740 HeapFree( GetProcessHeap(), 0, pFCB->unixPath );
741 pFCB->unixPath = NULL;
742 return 0;
743 }
744 pFCB->count += count;
745
746 if (*fcb == 0xff) { /* place extended FCB header before pResult if called with extended FCB */
747 *(BYTE *)pResult = 0xff;
748 (BYTE *)pResult +=6; /* leave reserved field behind */
749 *(BYTE *)pResult = entry.dwFileAttributes;
750 ((BYTE *)pResult)++;
751 }
752 *(BYTE *)pResult = DOS_GET_DRIVE( pFCB->drive ); /* DOS_DIRENTRY_LAYOUT after current drive number */
753 ((BYTE *)pResult)++;
754 pResult->fileattr = entry.dwFileAttributes;
755 pResult->cluster = 0; /* what else? */
756 pResult->filesize = entry.nFileSizeLow;
757 memset( pResult->reserved, 0, sizeof(pResult->reserved) );
758 FileTimeToDosDateTime( &entry.ftLastWriteTime,
759 &pResult->filedate, &pResult->filetime );
760
761 /* Convert file name to FCB format */
762
763 memset( pResult->filename, ' ', sizeof(pResult->filename) );
764 if (!strcmp( entry.cAlternateFileName, "." )) pResult->filename[0] = '.';
765 else if (!strcmp( entry.cAlternateFileName, ".." ))
766 pResult->filename[0] = pResult->filename[1] = '.';
767 else
768 {
769 char *p = strrchr( entry.cAlternateFileName, '.' );
770 if (p && p[1] && (p != entry.cAlternateFileName))
771 {
772 memcpy( pResult->filename, entry.cAlternateFileName,
773 MIN( (p - entry.cAlternateFileName), 8 ) );
774 memcpy( pResult->filename + 8, p + 1, MIN( strlen(p), 3 ) );
775 }
776 else
777 memcpy( pResult->filename, entry.cAlternateFileName,
778 MIN( strlen(entry.cAlternateFileName), 8 ) );
779 }
780 return 1;
781 }
782
783
784 static void DeleteFileFCB( CONTEXT *context )
785 {
786 FIXME(int21, "(%p): not implemented yet\n", context);
787 }
788
789 static void RenameFileFCB( CONTEXT *context )
790 {
791 FIXME(int21, "(%p): not implemented yet\n", context);
792 }
793
794
795
796 static void fLock( CONTEXT * context )
797 {
798
799 switch ( AX_reg(context) & 0xff )
800 {
801 case 0x00: /* LOCK */
802 TRACE(int21,"lock handle %d offset %ld length %ld\n",
803 BX_reg(context),
804 MAKELONG(DX_reg(context),CX_reg(context)),
805 MAKELONG(DI_reg(context),SI_reg(context))) ;
806 if (!LockFile(BX_reg(context),
807 MAKELONG(DX_reg(context),CX_reg(context)), 0,
808 MAKELONG(DI_reg(context),SI_reg(context)), 0)) {
809 AX_reg(context) = DOS_ExtendedError;
810 SET_CFLAG(context);
811 }
812 break;
813
814 case 0x01: /* UNLOCK */
815 TRACE(int21,"unlock handle %d offset %ld length %ld\n",
816 BX_reg(context),
817 MAKELONG(DX_reg(context),CX_reg(context)),
818 MAKELONG(DI_reg(context),SI_reg(context))) ;
819 if (!UnlockFile(BX_reg(context),
820 MAKELONG(DX_reg(context),CX_reg(context)), 0,
821 MAKELONG(DI_reg(context),SI_reg(context)), 0)) {
822 AX_reg(context) = DOS_ExtendedError;
823 SET_CFLAG(context);
824 }
825 return;
826 default:
827 AX_reg(context) = 0x0001;
828 SET_CFLAG(context);
829 return;
830 }
831 }
832
833 static BOOL32
834 INT21_networkfunc (CONTEXT *context)
835 {
836 switch (AL_reg(context)) {
837 case 0x00: /* Get machine name. */
838 {
839 char *dst = PTR_SEG_OFF_TO_LIN (DS_reg(context),DX_reg(context));
840 TRACE(int21, "getting machine name to %p\n", dst);
841 if (gethostname (dst, 15))
842 {
843 WARN(int21,"failed!\n");
844 DOS_ERROR( ER_NoNetwork, EC_NotFound, SA_Abort, EL_Network );
845 return TRUE;
846 } else {
847 int len = strlen (dst);
848 while (len < 15)
849 dst[len++] = ' ';
850 dst[15] = 0;
851 CH_reg(context) = 1; /* Valid */
852 CL_reg(context) = 1; /* NETbios number??? */
853 TRACE(int21, "returning %s\n", debugstr_an (dst, 16));
854 return FALSE;
855 }
856 }
857
858 default:
859 DOS_ERROR( ER_NoNetwork, EC_NotFound, SA_Abort, EL_Network );
860 return TRUE;
861 }
862 }
863
864
865 SEGPTR INT21_GetListOfLists()
866 {
867 static DOS_LISTOFLISTS *LOL;
868 static SEGPTR seg_LOL;
869
870 /*
871 Output of DOS 6.22:
872
873 0133:0020 6A 13-33 01 CC 00 33 01 59 00 j.3...3.Y.
874 0133:0030 70 00 00 00 72 02 00 02-6D 00 33 01 00 00 2E 05 p...r...m.3.....
875 0133:0040 00 00 FC 04 00 00 03 08-92 21 11 E0 04 80 C6 0D .........!......
876 0133:0050 CC 0D 4E 55 4C 20 20 20-20 20 00 00 00 00 00 00 ..NUL ......
877 0133:0060 00 4B BA C1 06 14 00 00-00 03 01 00 04 70 CE FF .K...........p..
878 0133:0070 FF 00 00 00 00 00 00 00-00 01 00 00 0D 05 00 00 ................
879 0133:0080 00 FF FF 00 00 00 00 FE-00 00 F8 03 FF 9F 70 02 ..............p.
880 0133:0090 D0 44 C8 FD D4 44 C8 FD-D4 44 C8 FD D0 44 C8 FD .D...D...D...D..
881 0133:00A0 D0 44 C8 FD D0 44 .D...D
882 */
883 if (!LOL) {
884 LOL = SEGPTR_ALLOC(sizeof(DOS_LISTOFLISTS));
885
886 LOL->CX_Int21_5e01 = 0x0;
887 LOL->LRU_count_FCB_cache = 0x0;
888 LOL->LRU_count_FCB_open = 0x0;
889 LOL->OEM_func_handler = -1; /* not available */
890 LOL->INT21_offset = 0x0;
891 LOL->sharing_retry_count = sharing_retries; /* default value: 3 */
892 LOL->sharing_retry_delay = sharing_pause; /* default value: 1 */
893 LOL->ptr_disk_buf = 0x0;
894 LOL->offs_unread_CON = 0x0;
895 LOL->seg_first_MCB = 0x0;
896 LOL->ptr_first_DPB = 0x0;
897 LOL->ptr_first_SysFileTable = 0x0;
898 LOL->ptr_clock_dev_hdr = 0x0;
899 LOL->ptr_CON_dev_hdr = 0x0;
900 LOL->max_byte_per_sec = 512;
901 LOL->ptr_disk_buf_info = 0x0;
902 LOL->ptr_array_CDS = 0x0;
903 LOL->ptr_sys_FCB = 0x0;
904 LOL->nr_protect_FCB = 0x0;
905 LOL->nr_block_dev = 0x0;
906 LOL->nr_avail_drive_letters = 26; /* A - Z */
907 LOL->nr_drives_JOINed = 0x0;
908 LOL->ptr_spec_prg_names = 0x0;
909 LOL->ptr_SETVER_prg_list = 0x0; /* no SETVER list */
910 LOL->DOS_HIGH_A20_func_offs = 0x0;
911 LOL->PSP_last_exec = 0x0;
912 LOL->BUFFERS_val = 99; /* maximum: 99 */
913 LOL->BUFFERS_nr_lookahead = 8; /* maximum: 8 */
914 LOL->boot_drive = 3; /* C: */
915 LOL->flag_DWORD_moves = 0x01; /* i386+ */
916 LOL->size_extended_mem = 0xf000; /* very high value */
917 }
918 if (!seg_LOL) seg_LOL = SEGPTR_GET(LOL);
919 return seg_LOL+(WORD)&((DOS_LISTOFLISTS*)0)->ptr_first_DPB;
920 }
921
922 /***********************************************************************
923 * DOS3Call (KERNEL.102)
924 */
925 void WINAPI DOS3Call( CONTEXT *context )
926 {
927 BOOL32 bSetDOSExtendedError = FALSE;
928
929 #if 0
930 TRACE(int21, "AX=%04x BX=%04x CX=%04x DX=%04x "
931 "SI=%04x DI=%04x DS=%04x ES=%04x EFL=%08lx\n",
932 AX_reg(context), BX_reg(context), CX_reg(context), DX_reg(context),
933 SI_reg(context), DI_reg(context),
934 (WORD)DS_reg(context), (WORD)ES_reg(context),
935 EFL_reg(context) );
936 #endif
937
938 if (AH_reg(context) == 0x59) /* Get extended error info */
939 {
940 TRACE(int21, "GET EXTENDED ERROR code 0x%02x class 0x%02x action 0x%02x locus %02x\n",
941 DOS_ExtendedError, DOS_ErrorClass, DOS_ErrorAction, DOS_ErrorLocus);
942 AX_reg(context) = DOS_ExtendedError;
943 BH_reg(context) = DOS_ErrorClass;
944 BL_reg(context) = DOS_ErrorAction;
945 CH_reg(context) = DOS_ErrorLocus;
946 return;
947 }
948
949 DOS_ERROR( 0, 0, 0, 0 );
950 RESET_CFLAG(context); /* Not sure if this is a good idea */
951
952 switch(AH_reg(context))
953 {
954 case 0x00: /* TERMINATE PROGRAM */
955 TRACE(int21,"TERMINATE PROGRAM\n");
956 TASK_KillCurrentTask( 0 );
957 break;
958
959 case 0x01: /* READ CHARACTER FROM STANDARD INPUT, WITH ECHO */
960 case 0x02: /* WRITE CHARACTER TO STANDARD OUTPUT */
961 case 0x03: /* READ CHARACTER FROM STDAUX */
962 case 0x04: /* WRITE CHARACTER TO STDAUX */
963 case 0x05: /* WRITE CHARACTER TO PRINTER */
964 case 0x06: /* DIRECT CONSOLE IN/OUTPUT */
965 case 0x07: /* DIRECT CHARACTER INPUT, WITHOUT ECHO */
966 case 0x08: /* CHARACTER INPUT WITHOUT ECHO */
967 case 0x09: /* WRITE STRING TO STANDARD OUTPUT */
968 case 0x0a: /* BUFFERED INPUT */
969 case 0x0b: /* GET STDIN STATUS */
970 case 0x0c: /* FLUSH BUFFER AND READ STANDARD INPUT */
971 case 0x0f: /* OPEN FILE USING FCB */
972 case 0x10: /* CLOSE FILE USING FCB */
973 case 0x14: /* SEQUENTIAL READ FROM FCB FILE */
974 case 0x15: /* SEQUENTIAL WRITE TO FCB FILE */
975 case 0x16: /* CREATE OR TRUNCATE FILE USING FCB */
976 case 0x21: /* READ RANDOM RECORD FROM FCB FILE */
977 case 0x22: /* WRITE RANDOM RECORD TO FCB FILE */
978 case 0x23: /* GET FILE SIZE FOR FCB */
979 case 0x24: /* SET RANDOM RECORD NUMBER FOR FCB */
980 case 0x26: /* CREATE NEW PROGRAM SEGMENT PREFIX */
981 case 0x27: /* RANDOM BLOCK READ FROM FCB FILE */
982 case 0x28: /* RANDOM BLOCK WRITE TO FCB FILE */
983 case 0x29: /* PARSE FILENAME INTO FCB */
984 case 0x37: /* "SWITCHAR" - GET SWITCH CHARACTER
985 "SWITCHAR" - SET SWITCH CHARACTER
986 "AVAILDEV" - SPECIFY \DEV\ PREFIX USE */
987 case 0x54: /* GET VERIFY FLAG */
988 case 0x48: /* ALLOCATE MEMORY */
989 case 0x49: /* FREE MEMORY */
990 case 0x4a: /* RESIZE MEMORY BLOCK */
991 INT_BARF( context, 0x21 );
992 break;
993 case 0x2e: /* SET VERIFY FLAG */
994 TRACE(int21,"SET VERIFY FLAG ignored\n");
995 /* we cannot change the behaviour anyway, so just ignore it */
996 break;
997
998 case 0x18: /* NULL FUNCTIONS FOR CP/M COMPATIBILITY */
999 case 0x1d:
1000 case 0x1e:
1001 case 0x20:
1002 case 0x6b: /* NULL FUNCTION */
1003 AL_reg(context) = 0;
1004 break;
1005
1006 case 0x5c: /* "FLOCK" - RECORD LOCKING */
1007 fLock(context);
1008 break;
1009
1010 case 0x0d: /* DISK BUFFER FLUSH */
1011 TRACE(int21,"DISK BUFFER FLUSH ignored\n");
1012 RESET_CFLAG(context); /* dos 6+ only */
1013 break;
1014
1015 case 0x0e: /* SELECT DEFAULT DRIVE */
1016 TRACE(int21,"SELECT DEFAULT DRIVE %d\n", DL_reg(context));
1017 DRIVE_SetCurrentDrive( DL_reg(context) );
1018 AL_reg(context) = MAX_DOS_DRIVES;
1019 break;
1020
1021 case 0x11: /* FIND FIRST MATCHING FILE USING FCB */
1022 TRACE(int21,"FIND FIRST MATCHING FILE USING FCB %p\n",
1023 PTR_SEG_OFF_TO_LIN(DS_reg(context), DX_reg(context)));
1024 if (!INT21_FindFirstFCB(context))
1025 {
1026 AL_reg(context) = 0xff;
1027 break;
1028 }
1029 /* else fall through */
1030
1031 case 0x12: /* FIND NEXT MATCHING FILE USING FCB */
1032 AL_reg(context) = INT21_FindNextFCB(context) ? 0x00 : 0xff;
1033 break;
1034
1035 case 0x13: /* DELETE FILE USING FCB */
1036 DeleteFileFCB(context);
1037 break;
1038
1039 case 0x17: /* RENAME FILE USING FCB */
1040 RenameFileFCB(context);
1041 break;
1042
1043 case 0x19: /* GET CURRENT DEFAULT DRIVE */
1044 AL_reg(context) = DRIVE_GetCurrentDrive();
1045 break;
1046
1047 case 0x1a: /* SET DISK TRANSFER AREA ADDRESS */
1048 {
1049 TDB *pTask = (TDB *)GlobalLock16( GetCurrentTask() );
1050 pTask->dta = PTR_SEG_OFF_TO_SEGPTR(DS_reg(context),DX_reg(context));
1051 TRACE(int21, "Set DTA: %08lx\n", pTask->dta);
1052 }
1053 break;
1054
1055 case 0x1b: /* GET ALLOCATION INFORMATION FOR DEFAULT DRIVE */
1056 DL_reg(context) = 0;
1057 if (!INT21_GetDriveAllocInfo(context)) AX_reg(context) = 0xffff;
1058 break;
1059
1060 case 0x1c: /* GET ALLOCATION INFORMATION FOR SPECIFIC DRIVE */
1061 if (!INT21_GetDriveAllocInfo(context)) AX_reg(context) = 0xffff;
1062 break;
1063
1064 case 0x1f: /* GET DRIVE PARAMETER BLOCK FOR DEFAULT DRIVE */
1065 GetDrivePB(context, DRIVE_GetCurrentDrive());
1066 break;
1067
1068 case 0x25: /* SET INTERRUPT VECTOR */
1069 INT_SetHandler( AL_reg(context),
1070 (FARPROC16)PTR_SEG_OFF_TO_SEGPTR( DS_reg(context),
1071 DX_reg(context)));
1072 break;
1073
1074 case 0x2a: /* GET SYSTEM DATE */
1075 INT21_GetSystemDate(context);
1076 break;
1077
1078 case 0x2b: /* SET SYSTEM DATE */
1079 FIXME(int21, "SetSystemDate(%02d/%02d/%04d): not allowed\n",
1080 DL_reg(context), DH_reg(context), CX_reg(context) );
1081 AL_reg(context) = 0; /* Let's pretend we succeeded */
1082 break;
1083
1084 case 0x2c: /* GET SYSTEM TIME */
1085 INT21_GetSystemTime(context);
1086 break;
1087
1088 case 0x2d: /* SET SYSTEM TIME */
1089 FIXME(int21, "SetSystemTime(%02d:%02d:%02d.%02d): not allowed\n",
1090 CH_reg(context), CL_reg(context),
1091 DH_reg(context), DL_reg(context) );
1092 AL_reg(context) = 0; /* Let's pretend we succeeded */
1093 break;
1094
1095 case 0x2f: /* GET DISK TRANSFER AREA ADDRESS */
1096 TRACE(int21,"GET DISK TRANSFER AREA ADDRESS\n");
1097 {
1098 TDB *pTask = (TDB *)GlobalLock16( GetCurrentTask() );
1099 ES_reg(context) = SELECTOROF( pTask->dta );
1100 BX_reg(context) = OFFSETOF( pTask->dta );
1101 }
1102 break;
1103
1104 case 0x30: /* GET DOS VERSION */
1105 TRACE(int21,"GET DOS VERSION %s requested\n",
1106 (AL_reg(context) == 0x00)?"OEM number":"version flag");
1107 AX_reg(context) = (HIWORD(GetVersion16()) >> 8) |
1108 (HIWORD(GetVersion16()) << 8);
1109 BX_reg(context) = 0x0012; /* 0x123456 is Wine's serial # */
1110 CX_reg(context) = 0x3456;
1111 break;
1112
1113 case 0x31: /* TERMINATE AND STAY RESIDENT */
1114 TRACE(int21,"TERMINATE AND STAY RESIDENT stub\n");
1115 INT_BARF( context, 0x21 );
1116 break;
1117
1118 case 0x32: /* GET DOS DRIVE PARAMETER BLOCK FOR SPECIFIC DRIVE */
1119 TRACE(int21,"GET DOS DRIVE PARAMETER BLOCK FOR DRIVE %s\n",
1120 INT21_DriveName( DL_reg(context)));
1121 GetDrivePB(context, DOS_GET_DRIVE( DL_reg(context) ) );
1122 break;
1123
1124 case 0x33: /* MULTIPLEXED */
1125 switch (AL_reg(context))
1126 {
1127 case 0x00: /* GET CURRENT EXTENDED BREAK STATE */
1128 TRACE(int21,"GET CURRENT EXTENDED BREAK STATE stub\n");
1129 DL_reg(context) = 0;
1130 break;
1131
1132 case 0x01: /* SET EXTENDED BREAK STATE */
1133 TRACE(int21,"SET CURRENT EXTENDED BREAK STATE stub\n");
1134 break;
1135
1136 case 0x02: /* GET AND SET EXTENDED CONTROL-BREAK CHECKING STATE*/
1137 TRACE(int21,"GET AND SET EXTENDED CONTROL-BREAK CHECKING STATE stub\n");
1138 DL_reg(context) = 0;
1139 break;
1140
1141 case 0x05: /* GET BOOT DRIVE */
1142 TRACE(int21,"GET BOOT DRIVE\n");
1143 DL_reg(context) = 3;
1144 /* c: is Wine's bootdrive (a: is 1)*/
1145 break;
1146
1147 case 0x06: /* GET TRUE VERSION NUMBER */
1148 TRACE(int21,"GET TRUE VERSION NUMBER\n");
1149 BX_reg(context) = (HIWORD(GetVersion16() >> 8)) |
1150 (HIWORD(GetVersion16() << 8));
1151 DX_reg(context) = 0x00;
1152 break;
1153
1154 default:
1155 INT_BARF( context, 0x21 );
1156 break;
1157 }
1158 break;
1159
1160 case 0x34: /* GET ADDRESS OF INDOS FLAG */
1161 TRACE(int21,"GET ADDRESS OF INDOS FLAG\n");
1162 if (!heap) INT21_CreateHeap();
1163 ES_reg(context) = DosHeapHandle;
1164 BX_reg(context) = (int)&heap->InDosFlag - (int)heap;
1165 break;
1166
1167 case 0x35: /* GET INTERRUPT VECTOR */
1168 TRACE(int21,"GET INTERRUPT VECTOR 0x%02x\n",AL_reg(context));
1169 {
1170 FARPROC16 addr = INT_GetHandler( AL_reg(context) );
1171 ES_reg(context) = SELECTOROF(addr);
1172 BX_reg(context) = OFFSETOF(addr);
1173 }
1174 break;
1175
1176 case 0x36: /* GET FREE DISK SPACE */
1177 TRACE(int21,"GET FREE DISK SPACE FOR DRIVE %s\n",
1178 INT21_DriveName( DL_reg(context)));
1179 if (!INT21_GetFreeDiskSpace(context)) AX_reg(context) = 0xffff;
1180 break;
1181
1182 case 0x38: /* GET COUNTRY-SPECIFIC INFORMATION */
1183 TRACE(int21,"GET COUNTRY-SPECIFIC INFORMATION for country 0x%02x\n",
1184 AL_reg(context));
1185 AX_reg(context) = 0x02; /* no country support available */
1186 SET_CFLAG(context);
1187 break;
1188
1189 case 0x39: /* "MKDIR" - CREATE SUBDIRECTORY */
1190 TRACE(int21,"MKDIR %s\n",
1191 (LPCSTR)PTR_SEG_OFF_TO_LIN( DS_reg(context), DX_reg(context)));
1192 bSetDOSExtendedError = (!CreateDirectory16( PTR_SEG_OFF_TO_LIN( DS_reg(context),
1193 DX_reg(context) ), NULL));
1194 break;
1195
1196 case 0x3a: /* "RMDIR" - REMOVE SUBDIRECTORY */
1197 TRACE(int21,"RMDIR %s\n",
1198 (LPCSTR)PTR_SEG_OFF_TO_LIN( DS_reg(context), DX_reg(context)));
1199 bSetDOSExtendedError = (!RemoveDirectory16( PTR_SEG_OFF_TO_LIN( DS_reg(context),
1200 DX_reg(context) )));
1201 break;
1202
1203 case 0x3b: /* "CHDIR" - SET CURRENT DIRECTORY */
1204 TRACE(int21,"CHDIR %s\n",
1205 (LPCSTR)PTR_SEG_OFF_TO_LIN( DS_reg(context), DX_reg(context)));
1206 bSetDOSExtendedError = !INT21_ChangeDir(context);
1207 break;
1208
1209 case 0x3c: /* "CREAT" - CREATE OR TRUNCATE FILE */
1210 TRACE(int21,"CREAT flag 0x%02x %s\n",CX_reg(context),
1211 (LPCSTR)PTR_SEG_OFF_TO_LIN( DS_reg(context), DX_reg(context)));
1212 AX_reg(context) = _lcreat16( PTR_SEG_OFF_TO_LIN( DS_reg(context),
1213 DX_reg(context) ), CX_reg(context) );
1214 bSetDOSExtendedError = (AX_reg(context) == (WORD)HFILE_ERROR16);
1215 break;
1216
1217 case 0x3d: /* "OPEN" - OPEN EXISTING FILE */
1218 TRACE(int21,"OPEN mode 0x%02x %s\n",AL_reg(context),
1219 (LPCSTR)PTR_SEG_OFF_TO_LIN( DS_reg(context), DX_reg(context)));
1220 OpenExistingFile(context);
1221 break;
1222
1223 case 0x3e: /* "CLOSE" - CLOSE FILE */
1224 TRACE(int21,"CLOSE handle %d\n",BX_reg(context));
1225 bSetDOSExtendedError = ((AX_reg(context) = _lclose16( BX_reg(context) )) != 0);
1226 break;
1227
1228 case 0x3f: /* "READ" - READ FROM FILE OR DEVICE */
1229 TRACE(int21,"READ from %d to %ld for %d byte\n",BX_reg(context),
1230 PTR_SEG_OFF_TO_SEGPTR( DS_reg(context),DX_reg(context)),CX_reg(context) );
1231 {
1232 LONG result = WIN16_hread( BX_reg(context),
1233 PTR_SEG_OFF_TO_SEGPTR( DS_reg(context),
1234 DX_reg(context) ),
1235 CX_reg(context) );
1236 if (result == -1) bSetDOSExtendedError = TRUE;
1237 else AX_reg(context) = (WORD)result;
1238 }
1239 break;
1240
1241 case 0x40: /* "WRITE" - WRITE TO FILE OR DEVICE */
1242 TRACE(int21,"WRITE from %ld to handle %d for %d byte\n",
1243 PTR_SEG_OFF_TO_SEGPTR( DS_reg(context),DX_reg(context)),
1244 BX_reg(context),CX_reg(context) );
1245 {
1246 LONG result = _hwrite16( BX_reg(context),
1247 PTR_SEG_OFF_TO_LIN( DS_reg(context),
1248 DX_reg(context) ),
1249 CX_reg(context) );
1250 if (result == -1) bSetDOSExtendedError = TRUE;
1251 else AX_reg(context) = (WORD)result;
1252 }
1253 break;
1254
1255 case 0x41: /* "UNLINK" - DELETE FILE */
1256 TRACE(int21,"UNLINK%s\n",
1257 (LPCSTR)PTR_SEG_OFF_TO_LIN( DS_reg(context), DX_reg(context)));
1258 bSetDOSExtendedError = (!DeleteFile32A( PTR_SEG_OFF_TO_LIN( DS_reg(context),
1259 DX_reg(context) )));
1260 break;
1261
1262 case 0x42: /* "LSEEK" - SET CURRENT FILE POSITION */
1263 TRACE(int21,"LSEEK handle %d offset %ld from %s\n",
1264 BX_reg(context), MAKELONG(DX_reg(context),CX_reg(context)),
1265 (AL_reg(context)==0)?"start of file":(AL_reg(context)==1)?
1266 "current file position":"end of file");
1267 {
1268 LONG status = _llseek16( BX_reg(context),
1269 MAKELONG(DX_reg(context),CX_reg(context)),
1270 AL_reg(context) );
1271 if (status == -1) bSetDOSExtendedError = TRUE;
1272 else
1273 {
1274 AX_reg(context) = LOWORD(status);
1275 DX_reg(context) = HIWORD(status);
1276 }
1277 }
1278 break;
1279
1280 case 0x43: /* FILE ATTRIBUTES */
1281 switch (AL_reg(context))
1282 {
1283 case 0x00:
1284 TRACE(int21,"GET FILE ATTRIBUTES for %s\n",
1285 (LPCSTR)PTR_SEG_OFF_TO_LIN( DS_reg(context), DX_reg(context)));
1286 AX_reg(context) = (WORD)GetFileAttributes32A(
1287 PTR_SEG_OFF_TO_LIN(DS_reg(context),
1288 DX_reg(context)));
1289 if (AX_reg(context) == 0xffff) bSetDOSExtendedError = TRUE;
1290 else CX_reg(context) = AX_reg(context);
1291 break;
1292
1293 case 0x01:
1294 TRACE(int21,"SET FILE ATTRIBUTES 0x%02x for %s\n", CX_reg(context),
1295 (LPCSTR)PTR_SEG_OFF_TO_LIN( DS_reg(context), DX_reg(context)));
1296 bSetDOSExtendedError =
1297 (!SetFileAttributes32A( PTR_SEG_OFF_TO_LIN(DS_reg(context),
1298 DX_reg(context)),
1299 CX_reg(context) ));
1300 break;
1301 case 0x02:
1302 TRACE(int21,"GET COMPRESSED FILE SIZE for %s stub\n",
1303 (LPCSTR)PTR_SEG_OFF_TO_LIN( DS_reg(context), DX_reg(context)));
1304 }
1305 break;
1306
1307 case 0x44: /* IOCTL */
1308 switch (AL_reg(context))
1309 {
1310 case 0x00:
1311 ioctlGetDeviceInfo(context);
1312 break;
1313
1314 case 0x01:
1315 break;
1316 case 0x05:{ /* IOCTL - WRITE TO BLOCK DEVICE CONTROL CHANNEL */
1317 /*BYTE *dataptr = PTR_SEG_OFF_TO_LIN(DS_reg(context),DX_reg(context));*/
1318 int drive = DOS_GET_DRIVE(BL_reg(context));
1319
1320 FIXME(int21,"program tried to write to block device control channel of drive %d:\n",drive);
1321 /* for (i=0;i<CX_reg(context);i++)
1322 fprintf(stdnimp,"%02x ",dataptr[i]);
1323 fprintf(stdnimp,"\n");*/
1324 AX_reg(context)=CX_reg(context);
1325 break;
1326 }
1327 case 0x08: /* Check if drive is removable. */
1328 TRACE(int21,"IOCTL - CHECK IF BLOCK DEVICE REMOVABLE for drive %s\n",
1329 INT21_DriveName( BL_reg(context)));
1330 switch(GetDriveType16( DOS_GET_DRIVE( BL_reg(context) )))
1331 {
1332 case DRIVE_CANNOTDETERMINE:
1333 DOS_ERROR( ER_InvalidDrive, EC_NotFound, SA_Abort, EL_Disk );
1334 AX_reg(context) = ER_InvalidDrive;
1335 SET_CFLAG(context);
1336 break;
1337 case DRIVE_REMOVABLE:
1338 AX_reg(context) = 0; /* removable */
1339 break;
1340 default:
1341 AX_reg(context) = 1; /* not removable */
1342 break;
1343 }
1344 break;
1345
1346 case 0x09: /* CHECK IF BLOCK DEVICE REMOTE */
1347 TRACE(int21,"IOCTL - CHECK IF BLOCK DEVICE REMOTE for drive %s\n",
1348 INT21_DriveName( BL_reg(context)));
1349 switch(GetDriveType16( DOS_GET_DRIVE( BL_reg(context) )))
1350 {
1351 case DRIVE_CANNOTDETERMINE:
1352 DOS_ERROR( ER_InvalidDrive, EC_NotFound, SA_Abort, EL_Disk );
1353 AX_reg(context) = ER_InvalidDrive;
1354 SET_CFLAG(context);
1355 break;
1356 case DRIVE_REMOTE:
1357 DX_reg(context) = (1<<9) | (1<<12); /* remote */
1358 break;
1359 default:
1360 DX_reg(context) = 0; /* FIXME: use driver attr here */
1361 break;
1362 }
1363 break;
1364
1365 case 0x0a: /* check if handle (BX) is remote */
1366 TRACE(int21,"IOCTL - CHECK IF HANDLE %d IS REMOTE\n",BX_reg(context));
1367 /* returns DX, bit 15 set if remote, bit 14 set if date/time
1368 * not set on close
1369 */
1370 DX_reg(context) = 0;
1371 break;
1372
1373 case 0x0b: /* SET SHARING RETRY COUNT */
1374 TRACE(int21,"IOCTL - SET SHARING RETRY COUNT pause %d retries %d\n",
1375 CX_reg(context), DX_reg(context));
1376 if (!CX_reg(context))
1377 {
1378 AX_reg(context) = 1;
1379 SET_CFLAG(context);
1380 break;
1381 }
1382 sharing_pause = CX_reg(context);
1383 if (!DX_reg(context))
1384 sharing_retries = DX_reg(context);
1385 RESET_CFLAG(context);
1386 break;
1387
1388 case 0x0d:
1389 TRACE(int21,"IOCTL - GENERIC BLOCK DEVICE REQUEST %s\n",
1390 INT21_DriveName( BL_reg(context)));
1391 bSetDOSExtendedError = ioctlGenericBlkDevReq(context);
1392 break;
1393
1394 case 0x0e: /* get logical drive mapping */
1395 TRACE(int21,"IOCTL - GET LOGICAL DRIVE MAP for drive %s\n",
1396 INT21_DriveName( BL_reg(context)));
1397 AL_reg(context) = 0; /* drive has no mapping - FIXME: may be wrong*/
1398 break;
1399
1400 case 0x0F: /* Set logical drive mapping */
1401 {
1402 int drive;
1403 TRACE(int21,"IOCTL - SET LOGICAL DRIVE MAP for drive %s\n",
1404 INT21_DriveName( BL_reg(context)));
1405 drive = DOS_GET_DRIVE ( BL_reg(context) );
1406 if ( ! DRIVE_SetLogicalMapping ( drive, drive+1 ) )
1407 {
1408 SET_CFLAG(context);
1409 AX_reg(context) = 0x000F; /* invalid drive */
1410 }
1411 break;
1412 }
1413
1414 default:
1415 INT_BARF( context, 0x21 );
1416 break;
1417 }
1418 break;
1419
1420 case 0x45: /* "DUP" - DUPLICATE FILE HANDLE */
1421 TRACE(int21,"DUP - DUPLICATE FILE HANDLE %d\n",BX_reg(context));
1422 bSetDOSExtendedError = ((AX_reg(context) = FILE_Dup(BX_reg(context))) == (WORD)HFILE_ERROR16);
1423 break;
1424
1425 case 0x46: /* "DUP2", "FORCEDUP" - FORCE DUPLICATE FILE HANDLE */
1426 TRACE(int21,"FORCEDUP - FORCE DUPLICATE FILE HANDLE %d to %d\n",
1427 BX_reg(context),CX_reg(context));
1428 bSetDOSExtendedError = (FILE_Dup2( BX_reg(context), CX_reg(context) ) == HFILE_ERROR32);
1429 break;
1430
1431 case 0x47: /* "CWD" - GET CURRENT DIRECTORY */
1432 TRACE(int21,"CWD - GET CURRENT DIRECTORY for drive %s\n",
1433 INT21_DriveName( DL_reg(context)));
1434 bSetDOSExtendedError = !INT21_GetCurrentDirectory(context);
1435 break;
1436
1437 case 0x4b: /* "EXEC" - LOAD AND/OR EXECUTE PROGRAM */
1438 TRACE(int21,"EXEC %s\n",
1439 (LPCSTR)PTR_SEG_OFF_TO_LIN( DS_reg(context),DX_reg(context) ));
1440 AX_reg(context) = WinExec16( PTR_SEG_OFF_TO_LIN( DS_reg(context),
1441 DX_reg(context) ),
1442 SW_NORMAL );
1443 if (AX_reg(context) < 32) SET_CFLAG(context);
1444 break;
1445
1446 case 0x4c: /* "EXIT" - TERMINATE WITH RETURN CODE */
1447 TRACE(int21,"EXIT with return code %d\n",AL_reg(context));
1448 TASK_KillCurrentTask( AL_reg(context) );
1449 break;
1450
1451 case 0x4d: /* GET RETURN CODE */
1452 TRACE(int21,"GET RETURN CODE (ERRORLEVEL)\n");
1453 AX_reg(context) = 0; /* normal exit */
1454 break;
1455
1456 case 0x4e: /* "FINDFIRST" - FIND FIRST MATCHING FILE */
1457 TRACE(int21,"FINDFIRST mask 0x%04x spec %s\n",CX_reg(context),
1458 (LPCSTR)PTR_SEG_OFF_TO_LIN( DS_reg(context), DX_reg(context)));
1459 if (!INT21_FindFirst(context)) break;
1460 /* fall through */
1461
1462 case 0x4f: /* "FINDNEXT" - FIND NEXT MATCHING FILE */
1463 TRACE(int21,"FINDNEXT\n");
1464 if (!INT21_FindNext(context))
1465 {
1466 DOS_ERROR( ER_NoMoreFiles, EC_MediaError, SA_Abort, EL_Disk );
1467 AX_reg(context) = ER_NoMoreFiles;
1468 SET_CFLAG(context);
1469 }
1470 else AX_reg(context) = 0; /* OK */
1471 break;
1472
1473 case 0x51: /* GET PSP ADDRESS */
1474 TRACE(int21,"GET CURRENT PROCESS ID (GET PSP ADDRESS)\n");
1475 /* FIXME: should we return the original DOS PSP upon */
1476 /* Windows startup ? */
1477 BX_reg(context) = GetCurrentPDB();
1478 break;
1479 case 0x62: /* GET PSP ADDRESS */
1480 TRACE(int21,"GET CURRENT PSP ADDRESS\n");
1481 /* FIXME: should we return the original DOS PSP upon */
1482 /* Windows startup ? */
1483 BX_reg(context) = GetCurrentPDB();
1484 break;
1485
1486 case 0x52: /* "SYSVARS" - GET LIST OF LISTS */
1487 TRACE(int21,"SYSVARS - GET LIST OF LISTS\n");
1488 {
1489 SEGPTR lol;
1490 lol = INT21_GetListOfLists();
1491 ES_reg(context) = HIWORD(lol);
1492 BX_reg(context) = LOWORD(lol);
1493 }
1494 break;
1495
1496 case 0x56: /* "RENAME" - RENAME FILE */
1497 TRACE(int21,"RENAME %s to %s\n",
1498 (LPCSTR)PTR_SEG_OFF_TO_LIN(DS_reg(context),DX_reg(context)),
1499 (LPCSTR)PTR_SEG_OFF_TO_LIN(ES_reg(context),DI_reg(context)));
1500 bSetDOSExtendedError =
1501 (!MoveFile32A( PTR_SEG_OFF_TO_LIN(DS_reg(context),DX_reg(context)),
1502 PTR_SEG_OFF_TO_LIN(ES_reg(context),DI_reg(context))));
1503 break;
1504
1505 case 0x57: /* FILE DATE AND TIME */
1506 switch (AL_reg(context))
1507 {
1508 case 0x00: /* Get */
1509 {
1510 FILETIME filetime;
1511 TRACE(int21,"GET FILE DATE AND TIME for handle %d\n",
1512 BX_reg(context));
1513 if (!GetFileTime( BX_reg(context), NULL, NULL, &filetime ))
1514 bSetDOSExtendedError = TRUE;
1515 else FileTimeToDosDateTime( &filetime, &DX_reg(context),
1516 &CX_reg(context) );
1517 }
1518 break;
1519
1520 case 0x01: /* Set */
1521 {
1522 FILETIME filetime;
1523 TRACE(int21,"SET FILE DATE AND TIME for handle %d\n",
1524 BX_reg(context));
1525 DosDateTimeToFileTime( DX_reg(context), CX_reg(context),
1526 &filetime );
1527 bSetDOSExtendedError =
1528 (!SetFileTime( BX_reg(context), NULL, NULL, &filetime ));
1529 }
1530 break;
1531 }
1532 break;
1533
1534 case 0x58: /* GET OR SET MEMORY/UMB ALLOCATION STRATEGY */
1535 TRACE(int21,"GET OR SET MEMORY/UMB ALLOCATION STRATEGY subfunction %d\n",
1536 AL_reg(context));
1537 switch (AL_reg(context))
1538 {
1539 case 0x00:
1540 AX_reg(context) = 1;
1541 break;
1542 case 0x02:
1543 AX_reg(context) = 0;
1544 break;
1545 case 0x01:
1546 case 0x03:
1547 break;
1548 }
1549 RESET_CFLAG(context);
1550 break;
1551
1552 case 0x5a: /* CREATE TEMPORARY FILE */
1553 TRACE(int21,"CREATE TEMPORARY FILE\n");
1554 bSetDOSExtendedError = !INT21_CreateTempFile(context);
1555 break;
1556
1557 case 0x5b: /* CREATE NEW FILE */
1558 TRACE(int21,"CREATE NEW FILE 0x%02x for %s\n", CX_reg(context),
1559 (LPCSTR)PTR_SEG_OFF_TO_LIN( DS_reg(context), DX_reg(context)));
1560 bSetDOSExtendedError = ((AX_reg(context) =
1561 _lcreat_uniq( PTR_SEG_OFF_TO_LIN(DS_reg(context),DX_reg(context)), 0 ))
1562 == (WORD)HFILE_ERROR16);
1563 break;
1564
1565 case 0x5d: /* NETWORK */
1566 FIXME(int21,"Function 0x%04x not implemented.\n", AX_reg (context));
1567 /* Fix the following while you're at it. */
1568 DOS_ERROR( ER_NoNetwork, EC_NotFound, SA_Abort, EL_Network );
1569 bSetDOSExtendedError = TRUE;
1570 break;
1571
1572 case 0x5e:
1573 bSetDOSExtendedError = INT21_networkfunc (context);
1574 break;
1575
1576 case 0x5f: /* NETWORK */
1577 switch (AL_reg(context))
1578 {
1579 case 0x07: /* ENABLE DRIVE */
1580 TRACE(int21,"ENABLE DRIVE %c:\n",(DL_reg(context)+'A'));
1581 if (!DRIVE_Enable( DL_reg(context) ))
1582 {
1583 DOS_ERROR( ER_InvalidDrive, EC_MediaError, SA_Abort, EL_Disk );
1584 bSetDOSExtendedError = TRUE;
1585 }
1586 break;
1587
1588 case 0x08: /* DISABLE DRIVE */
1589 TRACE(int21,"DISABLE DRIVE %c:\n",(DL_reg(context)+'A'));
1590 if (!DRIVE_Disable( DL_reg(context) ))
1591 {
1592 DOS_ERROR( ER_InvalidDrive, EC_MediaError, SA_Abort, EL_Disk );
1593 bSetDOSExtendedError = TRUE;
1594 }
1595 break;
1596
1597 default:
1598 /* network software not installed */
1599 TRACE(int21,"NETWORK function AX=%04x not implemented\n",AX_reg(context));
1600 DOS_ERROR( ER_NoNetwork, EC_NotFound, SA_Abort, EL_Network );
1601 bSetDOSExtendedError = TRUE;
1602 break;
1603 }
1604 break;
1605
1606 case 0x60: /* "TRUENAME" - CANONICALIZE FILENAME OR PATH */
1607 TRACE(int21,"TRUENAME %s\n",
1608 (LPCSTR)PTR_SEG_OFF_TO_LIN(DS_reg(context),SI_reg(context)));
1609 {
1610 if (!GetFullPathName32A( PTR_SEG_OFF_TO_LIN(DS_reg(context),
1611 SI_reg(context)), 128,
1612 PTR_SEG_OFF_TO_LIN(ES_reg(context),
1613 DI_reg(context)),NULL))
1614 bSetDOSExtendedError = TRUE;
1615 else AX_reg(context) = 0;
1616 }
1617 break;
1618
1619 case 0x61: /* UNUSED */
1620 case 0x63: /* UNUSED */
1621 case 0x64: /* OS/2 DOS BOX */
1622 INT_BARF( context, 0x21 );
1623 SET_CFLAG(context);
1624 break;
1625
1626 case 0x65:{/* GET EXTENDED COUNTRY INFORMATION */
1627 extern WORD WINE_LanguageId;
1628 BYTE *dataptr=PTR_SEG_OFF_TO_LIN(ES_reg(context),DI_reg(context));
1629 TRACE(int21,"GET EXTENDED COUNTRY INFORMATION code page %d country %d\n",
1630 BX_reg(context), DX_reg(context));
1631 switch (AL_reg(context)) {
1632 case 0x01:
1633 TRACE(int21,"\tget general internationalization info\n");
1634 dataptr[0] = 0x1;
1635 *(WORD*)(dataptr+1) = 41;
1636 *(WORD*)(dataptr+3) = WINE_LanguageId;
1637 *(WORD*)(dataptr+5) = CodePage;
1638 *(DWORD*)(dataptr+0x19) = NULL; /* FIXME: ptr to case map routine */
1639 break;
1640 case 0x06:
1641 TRACE(int21,"\tget pointer to collating sequence table\n");
1642 dataptr[0] = 0x06;
1643 *(DWORD*)(dataptr+1) = MAKELONG(DOSMEM_CollateTable & 0xFFFF,DOSMEM_AllocSelector(DOSMEM_CollateTable>>16));
1644 CX_reg(context) = 258;/*FIXME: size of table?*/
1645 break;
1646 default:
1647 TRACE(int21,"\tunimplemented function %d\n",AL_reg(context));
1648 INT_BARF( context, 0x21 );
1649 SET_CFLAG(context);
1650 break;
1651 }
1652 break;
1653 }
1654 case 0x66: /* GLOBAL CODE PAGE TABLE */
1655 switch (AL_reg(context))
1656 {
1657 case 0x01:
1658 TRACE(int21,"GET GLOBAL CODE PAGE TABLE\n");
1659 DX_reg(context) = BX_reg(context) = CodePage;
1660 RESET_CFLAG(context);
1661 break;
1662 case 0x02:
1663 TRACE(int21,"SET GLOBAL CODE PAGE TABLE active page %d system page %d\n",
1664 BX_reg(context),DX_reg(context));
1665 CodePage = BX_reg(context);
1666 RESET_CFLAG(context);
1667 break;
1668 }
1669 break;
1670
1671 case 0x67: /* SET HANDLE COUNT */
1672 TRACE(int21,"SET HANDLE COUNT to %d\n",BX_reg(context) );
1673 SetHandleCount16( BX_reg(context) );
1674 if (DOS_ExtendedError) bSetDOSExtendedError = TRUE;
1675 break;
1676
1677 case 0x68: /* "FFLUSH" - COMMIT FILE */
1678 case 0x6a: /* COMMIT FILE */
1679 TRACE(int21,"FFLUSH/COMMIT handle %d\n",BX_reg(context));
1680 bSetDOSExtendedError = (!FlushFileBuffers( BX_reg(context) ));
1681 break;
1682
1683 case 0x69: /* DISK SERIAL NUMBER */
1684 switch (AL_reg(context))
1685 {
1686 case 0x00:
1687 TRACE(int21,"GET DISK SERIAL NUMBER for drive %s\n",
1688 INT21_DriveName(BL_reg(context)));
1689 if (!INT21_GetDiskSerialNumber(context)) bSetDOSExtendedError = TRUE;
1690 else AX_reg(context) = 0;
1691 break;
1692
1693 case 0x01:
1694 TRACE(int21,"SET DISK SERIAL NUMBER for drive %s\n",
1695 INT21_DriveName(BL_reg(context)));
1696 if (!INT21_SetDiskSerialNumber(context)) bSetDOSExtendedError = TRUE;
1697 else AX_reg(context) = 1;
1698 break;
1699 }
1700 break;
1701
1702 case 0x6C: /* Extended Open/Create*/
1703 TRACE(int21,"EXTENDED OPEN/CREATE %s\n",
1704 (LPCSTR)PTR_SEG_OFF_TO_LIN( DS_reg(context), DI_reg(context)));
1705 bSetDOSExtendedError = INT21_ExtendedOpenCreateFile(context);
1706 break;
1707
1708 case 0x71: /* MS-DOS 7 (Windows95) - LONG FILENAME FUNCTIONS */
1709 switch(AL_reg(context))
1710 {
1711 case 0x39: /* Create directory */
1712 TRACE(int21,"LONG FILENAME - MAKE DIRECTORY %s\n",
1713 (LPCSTR)PTR_SEG_OFF_TO_LIN( DS_reg(context),DX_reg(context)));
1714 bSetDOSExtendedError = (!CreateDirectory32A(
1715 PTR_SEG_OFF_TO_LIN( DS_reg(context),
1716 DX_reg(context) ), NULL));
1717 break;
1718 case 0x3a: /* Remove directory */
1719 TRACE(int21,"LONG FILENAME - REMOVE DIRECTORY %s\n",
1720 (LPCSTR)PTR_SEG_OFF_TO_LIN( DS_reg(context),DX_reg(context)));
1721 bSetDOSExtendedError = (!RemoveDirectory32A(
1722 PTR_SEG_OFF_TO_LIN( DS_reg(context),
1723 DX_reg(context) )));
1724 break;
1725 case 0x43: /* Get/Set file attributes */
1726 TRACE(int21,"LONG FILENAME -EXTENDED GET/SET FILE ATTRIBUTES %s\n",
1727 (LPCSTR)PTR_SEG_OFF_TO_LIN( DS_reg(context),DX_reg(context)));
1728 switch (BL_reg(context))
1729 {
1730 case 0x00: /* Get file attributes */
1731 TRACE(int21,"\tretrieve attributes\n");
1732 CX_reg(context) = (WORD)GetFileAttributes32A(
1733 PTR_SEG_OFF_TO_LIN(DS_reg(context),
1734 DX_reg(context)));
1735 if (CX_reg(context) == 0xffff) bSetDOSExtendedError = TRUE;
1736 break;
1737 case 0x01:
1738 TRACE(int21,"\tset attributes 0x%04x\n",CX_reg(context));
1739 bSetDOSExtendedError = (!SetFileAttributes32A(
1740 PTR_SEG_OFF_TO_LIN(DS_reg(context),
1741 DX_reg(context)),
1742 CX_reg(context) ) );
1743 break;
1744 default:
1745 FIXME(int21, "Unimplemented long file name function:\n");
1746 INT_BARF( context, 0x21 );
1747 SET_CFLAG(context);
1748 AL_reg(context) = 0;
1749 break;
1750 }
1751 break;
1752 case 0x47: /* Get current directory */
1753 TRACE(int21," LONG FILENAME - GET CURRENT DIRECTORY for drive %s\n",
1754 INT21_DriveName(DL_reg(context)));
1755 bSetDOSExtendedError = !INT21_GetCurrentDirectory(context);
1756 break;
1757
1758 case 0x4e: /* Find first file */
1759 TRACE(int21," LONG FILENAME - FIND FIRST MATCHING FILE for %s\n",
1760 (LPCSTR)PTR_SEG_OFF_TO_LIN(DS_reg(context),DX_reg(context)));
1761 /* FIXME: use attributes in CX */
1762 if ((AX_reg(context) = FindFirstFile16(
1763 PTR_SEG_OFF_TO_LIN(DS_reg(context),DX_reg(context)),
1764 (WIN32_FIND_DATA32A *)PTR_SEG_OFF_TO_LIN(ES_reg(context),
1765 DI_reg(context))))
1766 == INVALID_HANDLE_VALUE16)
1767 bSetDOSExtendedError = TRUE;
1768 break;
1769 case 0x4f: /* Find next file */
1770 TRACE(int21,"LONG FILENAME - FIND NEXT MATCHING FILE for handle %d\n",
1771 BX_reg(context));
1772 if (!FindNextFile16( BX_reg(context),
1773 (WIN32_FIND_DATA32A *)PTR_SEG_OFF_TO_LIN(ES_reg(context),
1774 DI_reg(context))))
1775 bSetDOSExtendedError = TRUE;
1776 break;
1777 case 0xa1: /* Find close */
1778 TRACE(int21,"LONG FILENAME - FINDCLOSE for handle %d\n",
1779 BX_reg(context));
1780 bSetDOSExtendedError = (!FindClose16( BX_reg(context) ));
1781 break;
1782 case 0xa0:
1783 TRACE(int21,"LONG FILENAME - GET VOLUME INFORMATION for drive %s stub\n",
1784 (LPCSTR)PTR_SEG_OFF_TO_LIN( DS_reg(context),DX_reg(context)));
1785 break;
1786 case 0x60:
1787 switch(CL_reg(context))
1788 {
1789 case 0x02: /*Get canonical long filename or path */
1790 if (!GetFullPathName32A
1791 ( PTR_SEG_OFF_TO_LIN(DS_reg(context),
1792 SI_reg(context)), 128,
1793 PTR_SEG_OFF_TO_LIN(ES_reg(context),
1794 DI_reg(context)),NULL))
1795 bSetDOSExtendedError = TRUE;
1796 else AX_reg(context) = 0;
1797 break;
1798 default:
1799 FIXME(int21, "Unimplemented long file name function:\n");
1800 INT_BARF( context, 0x21 );
1801 SET_CFLAG(context);
1802 AL_reg(context) = 0;
1803 break;
1804 }
1805 break;
1806 case 0x6c: /* Create or open file */
1807 TRACE(int21,"LONG FILENAME - CREATE OR OPEN FILE %s\n",
1808 (LPCSTR)PTR_SEG_OFF_TO_LIN( DS_reg(context), SI_reg(context)));
1809 /* translate Dos 7 action to Dos 6 action */
1810 bSetDOSExtendedError = INT21_ExtendedOpenCreateFile(context);
1811 break;
1812
1813 case 0x3b: /* Change directory */
1814 TRACE(int21,"LONG FILENAME - CHANGE DIRECTORY %s\n",
1815 (LPCSTR)PTR_SEG_OFF_TO_LIN( DS_reg(context), DX_reg(context)));
1816 if (!SetCurrentDirectory32A(PTR_SEG_OFF_TO_LIN(
1817 DS_reg(context),
1818 DX_reg(context)
1819 ))
1820 ) {
1821 SET_CFLAG(context);
1822 AL_reg(context) = DOS_ExtendedError;
1823 }
1824 break;
1825 case 0x41: /* Delete file */
1826 TRACE(int21,"LONG FILENAME - DELETE FILE %s\n",
1827 (LPCSTR)PTR_SEG_OFF_TO_LIN( DS_reg(context), DX_reg(context)));
1828 if (!DeleteFile32A(PTR_SEG_OFF_TO_LIN(
1829 DS_reg(context),
1830 DX_reg(context))
1831 )) {
1832 SET_CFLAG(context);
1833 AL_reg(context) = DOS_ExtendedError;
1834 }
1835 break;
1836 case 0x56: /* Move (rename) file */
1837 TRACE(int21,"LONG FILENAME - RENAME FILE %s to %s stub\n",
1838 (LPCSTR)PTR_SEG_OFF_TO_LIN( DS_reg(context), DX_reg(context)),
1839 (LPCSTR)PTR_SEG_OFF_TO_LIN( ES_reg(context), DI_reg(context)));
1840 default:
1841 FIXME(int21, "Unimplemented long file name function:\n");
1842 INT_BARF( context, 0x21 );
1843 SET_CFLAG(context);
1844 AL_reg(context) = 0;
1845 break;
1846 }
1847 break;
1848
1849 case 0x70: /* MS-DOS 7 (Windows95) - ??? (country-specific?)*/
1850 case 0x72: /* MS-DOS 7 (Windows95) - ??? */
1851 case 0x73: /* MS-DOS 7 (Windows95) - DRIVE LOCKING ??? */
1852 TRACE(int21,"windows95 function AX %04x\n",
1853 AX_reg(context));
1854 WARN(int21, " returning unimplemented\n");
1855 SET_CFLAG(context);
1856 AL_reg(context) = 0;
1857 break;
1858
1859 case 0xdc: /* CONNECTION SERVICES - GET CONNECTION NUMBER */
1860 case 0xea: /* NOVELL NETWARE - RETURN SHELL VERSION */
1861 break;
1862
1863 default:
1864 INT_BARF( context, 0x21 );
1865 break;
1866
1867 } /* END OF SWITCH */
1868
1869 if( bSetDOSExtendedError ) /* set general error condition */
1870 {
1871 AX_reg(context) = DOS_ExtendedError;
1872 SET_CFLAG(context);
1873 }
1874
1875 if ((EFL_reg(context) & 0x0001))
1876 TRACE(int21, "failed, errorcode 0x%02x class 0x%02x action 0x%02x locus %02x\n",
1877 DOS_ExtendedError, DOS_ErrorClass, DOS_ErrorAction, DOS_ErrorLocus);
1878
1879 TRACE(int21, "returning: AX=%04x BX=%04x CX=%04x DX=%04x "
1880 "SI=%04x DI=%04x DS=%04x ES=%04x EFL=%08lx\n",
1881 AX_reg(context), BX_reg(context), CX_reg(context),
1882 DX_reg(context), SI_reg(context), DI_reg(context),
1883 (WORD)DS_reg(context), (WORD)ES_reg(context),
1884 EFL_reg(context));
1885 }
1886
1887 FARPROC16 WINAPI GetSetKernelDOSProc(FARPROC16 DosProc)
1888 {
1889 FIXME(int21, "(DosProc=%08x);\n", (UINT32)DosProc);
1890 return NULL;
1891 }
Windows API implementation