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Implemented SHBrowseForFolder() dialog.
[wine/multimedia.git] / msdos / int21.c
blob0abd60ab32c6bc4edc7edd306fb053bd557a344a
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 #ifdef HAVE_SYS_FILE_H
10 # include <sys/file.h>
11 #endif
12 #include <string.h>
13 #include <sys/stat.h>
14 #include <sys/time.h>
15 #include <sys/types.h>
16 #include <unistd.h>
17 #include <utime.h>
18 #include <ctype.h>
19 #include "windows.h"
20 #include "drive.h"
21 #include "file.h"
22 #include "heap.h"
23 #include "msdos.h"
24 #include "ldt.h"
25 #include "task.h"
26 #include "options.h"
27 #include "miscemu.h"
28 #include "debug.h"
29 #include "console.h"
30 #if defined(__svr4__) || defined(_SCO_DS)
31 /* SVR4 DOESNT do locking the same way must implement properly */
32 #define LOCK_EX 0
33 #define LOCK_SH 1
34 #define LOCK_NB 8
35 #endif
36
37
38 #define DOS_GET_DRIVE(reg) ((reg) ? (reg) - 1 : DRIVE_GetCurrentDrive())
39
40 /* Define the drive parameter block, as used by int21/1F
41 * and int21/32. This table can be accessed through the
42 * global 'dpb' pointer, which points into the local dos
43 * heap.
44 */
45 struct DPB
46 {
47 BYTE drive_num; /* 0=A, etc. */
48 BYTE unit_num; /* Drive's unit number (?) */
49 WORD sector_size; /* Sector size in bytes */
50 BYTE high_sector; /* Highest sector in a cluster */
51 BYTE shift; /* Shift count (?) */
52 WORD reserved; /* Number of reserved sectors at start */
53 BYTE num_FAT; /* Number of FATs */
54 WORD dir_entries; /* Number of root dir entries */
55 WORD first_data; /* First data sector */
56 WORD high_cluster; /* Highest cluster number */
57 WORD sectors_in_FAT; /* Number of sectors per FAT */
58 WORD start_dir; /* Starting sector of first dir */
59 DWORD driver_head; /* Address of device driver header (?) */
60 BYTE media_ID; /* Media ID */
61 BYTE access_flag; /* Prev. accessed flag (0=yes,0xFF=no) */
62 DWORD next; /* Pointer to next DPB in list */
63 WORD free_search; /* Free cluster search start */
64 WORD free_clusters; /* Number of free clusters (0xFFFF=unknown) */
65 };
66
67 WORD CodePage = 437;
68 DWORD dpbsegptr;
69
70 struct DosHeap {
71 BYTE InDosFlag;
72 BYTE mediaID;
73 BYTE biosdate[8];
74 struct DPB dpb;
75 BYTE DummyDBCSLeadTable[6];
76 };
77 static struct DosHeap *heap;
78 static WORD DosHeapHandle;
79
80 WORD sharing_retries = 3; /* number of retries at sharing violation */
81 WORD sharing_pause = 1; /* pause between retries */
82
83 extern char TempDirectory[];
84
85 static BOOL32 INT21_CreateHeap(void)
86 {
87 if (!(DosHeapHandle = GlobalAlloc16(GMEM_FIXED,sizeof(struct DosHeap))))
88 {
89 WARN(int21, "Out of memory\n");
90 return FALSE;
91 }
92 heap = (struct DosHeap *) GlobalLock16(DosHeapHandle);
93 dpbsegptr = PTR_SEG_OFF_TO_SEGPTR(DosHeapHandle,(int)&heap->dpb-(int)heap);
94 heap->InDosFlag = 0;
95 strcpy(heap->biosdate, "01/01/80");
96 memset(heap->DummyDBCSLeadTable, 0, 6);
97 return TRUE;
98 }
99
100 static BYTE *GetCurrentDTA( CONTEXT *context )
101 {
102 TDB *pTask = (TDB *)GlobalLock16( GetCurrentTask() );
103
104 /* FIXME: This assumes DTA was set correctly! */
105 return (BYTE *)CTX_SEG_OFF_TO_LIN( context, SELECTOROF(pTask->dta),
106 (DWORD)OFFSETOF(pTask->dta) );
107 }
108
109
110 void CreateBPB(int drive, BYTE *data, BOOL16 limited)
111 /* limited == TRUE is used with INT 0x21/0x440d */
112 {
113 if (drive > 1) {
114 setword(data, 512);
115 data[2] = 2;
116 setword(&data[3], 0);
117 data[5] = 2;
118 setword(&data[6], 240);
119 setword(&data[8], 64000);
120 data[0x0a] = 0xf8;
121 setword(&data[0x0b], 40);
122 setword(&data[0x0d], 56);
123 setword(&data[0x0f], 2);
124 setword(&data[0x11], 0);
125 if (!limited) {
126 setword(&data[0x1f], 800);
127 data[0x21] = 5;
128 setword(&data[0x22], 1);
129 }
130 } else { /* 1.44mb */
131 setword(data, 512);
132 data[2] = 2;
133 setword(&data[3], 0);
134 data[5] = 2;
135 setword(&data[6], 240);
136 setword(&data[8], 2880);
137 data[0x0a] = 0xf8;
138 setword(&data[0x0b], 6);
139 setword(&data[0x0d], 18);
140 setword(&data[0x0f], 2);
141 setword(&data[0x11], 0);
142 if (!limited) {
143 setword(&data[0x1f], 80);
144 data[0x21] = 7;
145 setword(&data[0x22], 2);
146 }
147 }
148 }
149
150 static int INT21_GetFreeDiskSpace( CONTEXT *context )
151 {
152 DWORD cluster_sectors, sector_bytes, free_clusters, total_clusters;
153 char root[] = "A:\\";
154
155 *root += DOS_GET_DRIVE( DL_reg(context) );
156 if (!GetDiskFreeSpace32A( root, &cluster_sectors, &sector_bytes,
157 &free_clusters, &total_clusters )) return 0;
158 AX_reg(context) = cluster_sectors;
159 BX_reg(context) = free_clusters;
160 CX_reg(context) = sector_bytes;
161 DX_reg(context) = total_clusters;
162 return 1;
163 }
164
165 static int INT21_GetDriveAllocInfo( CONTEXT *context )
166 {
167 if (!INT21_GetFreeDiskSpace( context )) return 0;
168 if (!heap && !INT21_CreateHeap()) return 0;
169 heap->mediaID = 0xf0;
170 DS_reg(context) = DosHeapHandle;
171 BX_reg(context) = (int)&heap->mediaID - (int)heap;
172 return 1;
173 }
174
175 static void GetDrivePB( CONTEXT *context, int drive )
176 {
177 if(!DRIVE_IsValid(drive))
178 {
179 DOS_ERROR( ER_InvalidDrive, EC_MediaError, SA_Abort, EL_Disk );
180 AX_reg(context) = 0x00ff;
181 }
182 else if (heap || INT21_CreateHeap())
183 {
184 FIXME(int21, "GetDrivePB not fully implemented.\n");
185
186 /* FIXME: I have no idea what a lot of this information should
187 * say or whether it even really matters since we're not allowing
188 * direct block access. However, some programs seem to depend on
189 * getting at least _something_ back from here. The 'next' pointer
190 * does worry me, though. Should we have a complete table of
191 * separate DPBs per drive? Probably, but I'm lazy. :-) -CH
192 */
193 heap->dpb.drive_num = heap->dpb.unit_num = drive; /*The same?*/
194 heap->dpb.sector_size = 512;
195 heap->dpb.high_sector = 1;
196 heap->dpb.shift = drive < 2 ? 0 : 6; /*6 for HD, 0 for floppy*/
197 heap->dpb.reserved = 0;
198 heap->dpb.num_FAT = 1;
199 heap->dpb.dir_entries = 2;
200 heap->dpb.first_data = 2;
201 heap->dpb.high_cluster = 64000;
202 heap->dpb.sectors_in_FAT = 1;
203 heap->dpb.start_dir = 1;
204 heap->dpb.driver_head = 0;
205 heap->dpb.media_ID = (drive > 1) ? 0xF8 : 0xF0;
206 heap->dpb.access_flag = 0;
207 heap->dpb.next = 0;
208 heap->dpb.free_search = 0;
209 heap->dpb.free_clusters = 0xFFFF; /* unknown */
210
211 AL_reg(context) = 0x00;
212 DS_reg(context) = SELECTOROF(dpbsegptr);
213 BX_reg(context) = OFFSETOF(dpbsegptr);
214 }
215 }
216
217
218 static void ioctlGetDeviceInfo( CONTEXT *context )
219 {
220 int curr_drive;
221 const DOS_DEVICE *dev;
222
223 TRACE(int21, "(%d)\n", BX_reg(context));
224
225 RESET_CFLAG(context);
226
227 /* DOS device ? */
228 if ((dev = DOSFS_GetDeviceByHandle( FILE_GetHandle32(BX_reg(context)) )))
229 {
230 DX_reg(context) = dev->flags;
231 return;
232 }
233
234 /* it seems to be a file */
235 curr_drive = DRIVE_GetCurrentDrive();
236 DX_reg(context) = 0x0140 + curr_drive + ((curr_drive > 1) ? 0x0800 : 0);
237 /* no floppy */
238 /* bits 0-5 are current drive
239 * bit 6 - file has NOT been written..FIXME: correct?
240 * bit 8 - generate int24 if no diskspace on write/ read past end of file
241 * bit 11 - media not removable
242 * bit 14 - don't set file date/time on closing
243 * bit 15 - file is remote
244 */
245 }
246
247 static BOOL32 ioctlGenericBlkDevReq( CONTEXT *context )
248 {
249 BYTE *dataptr = CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context));
250 int drive = DOS_GET_DRIVE( BL_reg(context) );
251
252 if (!DRIVE_IsValid(drive))
253 {
254 DOS_ERROR( ER_FileNotFound, EC_NotFound, SA_Abort, EL_Disk );
255 return TRUE;
256 }
257
258 if (CH_reg(context) != 0x08)
259 {
260 INT_BARF( context, 0x21 );
261 return FALSE;
262 }
263
264 switch (CL_reg(context))
265 {
266 case 0x4a: /* lock logical volume */
267 TRACE(int21,"lock logical volume (%d) level %d mode %d\n",drive,BH_reg(context),DX_reg(context));
268 break;
269
270 case 0x60: /* get device parameters */
271 /* used by w4wgrp's winfile */
272 memset(dataptr, 0, 0x20); /* DOS 6.22 uses 0x20 bytes */
273 dataptr[0] = 0x04;
274 dataptr[6] = 0; /* media type */
275 if (drive > 1)
276 {
277 dataptr[1] = 0x05; /* fixed disk */
278 setword(&dataptr[2], 0x01); /* non removable */
279 setword(&dataptr[4], 0x300); /* # of cylinders */
280 }
281 else
282 {
283 dataptr[1] = 0x07; /* block dev, floppy */
284 setword(&dataptr[2], 0x02); /* removable */
285 setword(&dataptr[4], 80); /* # of cylinders */
286 }
287 CreateBPB(drive, &dataptr[7], TRUE);
288 RESET_CFLAG(context);
289 break;
290
291 case 0x41: /* write logical device track */
292 case 0x61: /* read logical device track */
293 {
294 BYTE drive = BL_reg(context) ?
295 BL_reg(context) : DRIVE_GetCurrentDrive();
296 WORD head = *(WORD *)dataptr+1;
297 WORD cyl = *(WORD *)dataptr+3;
298 WORD sect = *(WORD *)dataptr+5;
299 WORD nrsect = *(WORD *)dataptr+7;
300 BYTE *data = (BYTE **)dataptr+9;
301 int (*raw_func)(BYTE, DWORD, DWORD, BYTE *, BOOL32);
302
303 raw_func = (CL_reg(context) == 0x41) ?
304 DRIVE_RawWrite : DRIVE_RawRead;
305
306 if (raw_func(drive, head*cyl*sect, nrsect, data, FALSE))
307 RESET_CFLAG(context);
308 else
309 {
310 AX_reg(context) = 0x1e; /* read fault */
311 SET_CFLAG(context);
312 }
313 }
314 break;
315 case 0x66:/* get disk serial number */
316 {
317 char label[12],fsname[9],path[4];
318 DWORD serial;
319
320 strcpy(path,"x:\\");path[0]=drive+'A';
321 GetVolumeInformation32A(
322 path,label,12,&serial,NULL,NULL,fsname,9
323 );
324 *(WORD*)dataptr = 0;
325 memcpy(dataptr+2,&serial,4);
326 memcpy(dataptr+6,label ,11);
327 memcpy(dataptr+17,fsname,8);
328 }
329 break;
330
331 case 0x6a:
332 TRACE(int21,"logical volume %d unlocked.\n",drive);
333 break;
334
335 case 0x6f:
336 memset(dataptr+1, '\0', dataptr[0]-1);
337 dataptr[1] = dataptr[0];
338 dataptr[2] = 0x07; /* protected mode driver; no eject; no notification */
339 dataptr[3] = 0xFF; /* no physical drive */
340 break;
341
342 default:
343 INT_BARF( context, 0x21 );
344 }
345 return FALSE;
346 }
347
348 static void INT21_ParseFileNameIntoFCB( CONTEXT *context )
349 {
350 char *filename =
351 CTX_SEG_OFF_TO_LIN(context, DS_reg(context), ESI_reg(context) );
352 char *fcb =
353 CTX_SEG_OFF_TO_LIN(context, ES_reg(context), EDI_reg(context) );
354 char *buffer, *s, *d;
355
356 AL_reg(context) = 0xff; /* failed */
357
358 TRACE(int21, "filename: '%s'\n", filename);
359
360 buffer = HeapAlloc( GetProcessHeap(), 0, strlen(filename) + 1);
361
362 s = filename;
363 d = buffer;
364 while (*s)
365 {
366 if ((*s != ' ') && (*s != '\r') && (*s != '\n'))
367 *d++ = *s++;
368 else
369 break;
370 }
371
372 *d = '\0';
373 DOSFS_ToDosFCBFormat(buffer, fcb + 1);
374 *fcb = 0;
375 TRACE(int21, "FCB: '%s'\n", ((CHAR *)fcb + 1));
376
377 HeapFree( GetProcessHeap(), 0, buffer);
378
379 AL_reg(context) =
380 ((strchr(filename, '*')) || (strchr(filename, '$'))) != 0;
381
382 /* point DS:SI to first unparsed character */
383 SI_reg(context) += (int)s - (int)filename;
384 }
385
386 static void INT21_GetSystemDate( CONTEXT *context )
387 {
388 SYSTEMTIME systime;
389 GetLocalTime( &systime );
390 CX_reg(context) = systime.wYear;
391 DX_reg(context) = (systime.wMonth << 8) | systime.wDay;
392 AX_reg(context) = systime.wDayOfWeek;
393 }
394
395 static void INT21_GetSystemTime( CONTEXT *context )
396 {
397 SYSTEMTIME systime;
398 GetLocalTime( &systime );
399 CX_reg(context) = (systime.wHour << 8) | systime.wMinute;
400 DX_reg(context) = (systime.wSecond << 8) | (systime.wMilliseconds / 10);
401 }
402
403 /* Many calls translate a drive argument like this:
404 drive number (00h = default, 01h = A:, etc)
405 */
406 static char drivestring[]="default";
407
408 char *INT21_DriveName(int drive)
409 {
410
411 if(drive >0)
412 {
413 drivestring[0]= (unsigned char)drive + '@';
414 drivestring[1]=':';
415 drivestring[2]=0;
416 }
417 return drivestring;
418 }
419 static BOOL32 INT21_CreateFile( CONTEXT *context )
420 {
421 AX_reg(context) = _lcreat16( CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
422 EDX_reg(context) ), CX_reg(context) );
423 return (AX_reg(context) == (WORD)HFILE_ERROR16);
424 }
425
426
427 static void OpenExistingFile( CONTEXT *context )
428 {
429 AX_reg(context) = _lopen16( CTX_SEG_OFF_TO_LIN(context, DS_reg(context),EDX_reg(context)),
430 AL_reg(context) );
431 if (AX_reg(context) == (WORD)HFILE_ERROR16)
432 {
433 AX_reg(context) = DOS_ExtendedError;
434 SET_CFLAG(context);
435 }
436 #if 0
437 {
438 int handle;
439 int mode;
440 int lock;
441
442 switch (AX_reg(context) & 0x0070)
443 {
444 case 0x00: /* compatability mode */
445 case 0x40: /* DENYNONE */
446 lock = -1;
447 break;
448
449 case 0x30: /* DENYREAD */
450 TRACE(int21, "(%s): DENYREAD changed to DENYALL\n",
451 (char *)CTX_SEG_OFF_TO_LIN(context, DS_reg(context),EDX_reg(context)));
452 case 0x10: /* DENYALL */
453 lock = LOCK_EX;
454 break;
455
456 case 0x20: /* DENYWRITE */
457 lock = LOCK_SH;
458 break;
459
460 default:
461 lock = -1;
462 }
463
464 if (lock != -1)
465 {
466
467 int result,retries=sharing_retries;
468 {
469 #if defined(__svr4__) || defined(_SCO_DS)
470 ERR(int21, "Should call flock and needs porting to lockf\n");
471 result = 0;
472 retries = 0;
473 #else
474 result = flock(handle, lock | LOCK_NB);
475 #endif
476 if ( retries && (!result) )
477 {
478 int i;
479 for(i=0;i<32768*((int)sharing_pause);i++)
480 result++; /* stop the optimizer */
481 for(i=0;i<32768*((int)sharing_pause);i++)
482 result--;
483 }
484 }
485 while( (!result) && (!(retries--)) );
486
487 if(result)
488 {
489 errno_to_doserr();
490 AX_reg(context) = DOS_ExtendedError;
491 close(handle);
492 SET_CFLAG(context);
493 return;
494 }
495
496 }
497
498 Error (0,0,0);
499 AX_reg(context) = handle;
500 RESET_CFLAG(context);
501 }
502 #endif
503 }
504
505 static void CloseFile( CONTEXT *context )
506 {
507 if ((AX_reg(context) = _lclose16( BX_reg(context) )) != 0)
508 {
509 AX_reg(context) = DOS_ExtendedError;
510 SET_CFLAG(context);
511 }
512 }
513
514 static BOOL32 INT21_ExtendedOpenCreateFile(CONTEXT *context )
515 {
516 BOOL32 bExtendedError = FALSE;
517 BYTE action = DL_reg(context);
518
519 /* Shuffle arguments to call OpenExistingFile */
520 AL_reg(context) = BL_reg(context);
521 DX_reg(context) = SI_reg(context);
522 /* BX,CX and DX should be preserved */
523 OpenExistingFile(context);
524
525 if ((EFL_reg(context) & 0x0001) == 0) /* File exists */
526 {
527 UINT16 uReturnCX = 0;
528
529 /* Now decide what do do */
530
531 if ((action & 0x07) == 0)
532 {
533 BX_reg(context) = AX_reg(context);
534 CloseFile(context);
535 AX_reg(context) = 0x0050; /*File exists*/
536 SET_CFLAG(context);
537 WARN(int21, "extended open/create: failed because file exists \n");
538 }
539 else if ((action & 0x07) == 2)
540 {
541 /* Truncate it, but first check if opened for write */
542 if ((BL_reg(context) & 0x0007)== 0)
543 {
544 BX_reg(context) = AX_reg(context);
545 CloseFile(context);
546 WARN(int21, "extended open/create: failed, trunc on ro file\n");
547 AX_reg(context) = 0x000C; /*Access code invalid*/
548 SET_CFLAG(context);
549 }
550 else
551 {
552 /* Shuffle arguments to call CloseFile while
553 * preserving BX and DX */
554
555 TRACE(int21, "extended open/create: Closing before truncate\n");
556 BX_reg(context) = AX_reg(context);
557 CloseFile(context);
558 if (EFL_reg(context) & 0x0001)
559 {
560 WARN(int21, "extended open/create: close before trunc failed\n");
561 AX_reg(context) = 0x0019; /*Seek Error*/
562 CX_reg(context) = 0;
563 SET_CFLAG(context);
564 }
565 /* Shuffle arguments to call CreateFile */
566
567 TRACE(int21, "extended open/create: Truncating\n");
568 AL_reg(context) = BL_reg(context);
569 /* CX is still the same */
570 DX_reg(context) = SI_reg(context);
571 bExtendedError = INT21_CreateFile(context);
572
573 if (EFL_reg(context) & 0x0001) /*no file open, flags set */
574 {
575 WARN(int21, "extended open/create: trunc failed\n");
576 return bExtendedError;
577 }
578 uReturnCX = 0x3;
579 }
580 }
581 else uReturnCX = 0x1;
582
583 CX_reg(context) = uReturnCX;
584 }
585 else /* file does not exist */
586 {
587 RESET_CFLAG(context); /* was set by OpenExistingFile(context) */
588 if ((action & 0xF0)== 0)
589 {
590 CX_reg(context) = 0;
591 SET_CFLAG(context);
592 WARN(int21, "extended open/create: failed, file dosen't exist\n");
593 }
594 else
595 {
596 /* Shuffle arguments to call CreateFile */
597 TRACE(int21, "extended open/create: Creating\n");
598 AL_reg(context) = BL_reg(context);
599 /* CX should still be the same */
600 DX_reg(context) = SI_reg(context);
601 bExtendedError = INT21_CreateFile(context);
602 if (EFL_reg(context) & 0x0001) /*no file open, flags set */
603 {
604 WARN(int21, "extended open/create: create failed\n");
605 return bExtendedError;
606 }
607 CX_reg(context) = 2;
608 }
609 }
610
611 return bExtendedError;
612 }
613
614
615 static BOOL32 INT21_ChangeDir( CONTEXT *context )
616 {
617 int drive;
618 char *dirname = CTX_SEG_OFF_TO_LIN(context, DS_reg(context),EDX_reg(context));
619
620 TRACE(int21,"changedir %s\n", dirname);
621 if (dirname[0] && (dirname[1] == ':'))
622 {
623 drive = toupper(dirname[0]) - 'A';
624 dirname += 2;
625 }
626 else drive = DRIVE_GetCurrentDrive();
627 return DRIVE_Chdir( drive, dirname );
628 }
629
630
631 static int INT21_FindFirst( CONTEXT *context )
632 {
633 char *p;
634 const char *path;
635 DOS_FULL_NAME full_name;
636 FINDFILE_DTA *dta = (FINDFILE_DTA *)GetCurrentDTA(context);
637
638 path = (const char *)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context));
639 dta->unixPath = NULL;
640 if (!DOSFS_GetFullName( path, FALSE, &full_name ))
641 {
642 AX_reg(context) = DOS_ExtendedError;
643 SET_CFLAG(context);
644 return 0;
645 }
646 dta->unixPath = HEAP_strdupA( GetProcessHeap(), 0, full_name.long_name );
647 p = strrchr( dta->unixPath, '/' );
648 *p = '\0';
649
650 /* Note: terminating NULL in dta->mask overwrites dta->search_attr
651 * (doesn't matter as it is set below anyway)
652 */
653 if (!DOSFS_ToDosFCBFormat( p + 1, dta->mask ))
654 {
655 HeapFree( GetProcessHeap(), 0, dta->unixPath );
656 dta->unixPath = NULL;
657 DOS_ERROR( ER_FileNotFound, EC_NotFound, SA_Abort, EL_Disk );
658 AX_reg(context) = ER_FileNotFound;
659 SET_CFLAG(context);
660 return 0;
661 }
662 dta->drive = (path[0] && (path[1] == ':')) ? toupper(path[0]) - 'A'
663 : DRIVE_GetCurrentDrive();
664 dta->count = 0;
665 dta->search_attr = CL_reg(context);
666 return 1;
667 }
668
669
670 static int INT21_FindNext( CONTEXT *context )
671 {
672 FINDFILE_DTA *dta = (FINDFILE_DTA *)GetCurrentDTA(context);
673 WIN32_FIND_DATA32A entry;
674 int count;
675
676 if (!dta->unixPath) return 0;
677 if (!(count = DOSFS_FindNext( dta->unixPath, dta->mask, NULL, dta->drive,
678 dta->search_attr, dta->count, &entry )))
679 {
680 HeapFree( GetProcessHeap(), 0, dta->unixPath );
681 dta->unixPath = NULL;
682 return 0;
683 }
684 if ((int)dta->count + count > 0xffff)
685 {
686 WARN(int21, "Too many directory entries in %s\n", dta->unixPath );
687 HeapFree( GetProcessHeap(), 0, dta->unixPath );
688 dta->unixPath = NULL;
689 return 0;
690 }
691 dta->count += count;
692 dta->fileattr = entry.dwFileAttributes;
693 dta->filesize = entry.nFileSizeLow;
694 FileTimeToDosDateTime( &entry.ftLastWriteTime,
695 &dta->filedate, &dta->filetime );
696 strcpy( dta->filename, entry.cAlternateFileName );
697 if (!memchr(dta->mask,'?',11)) {
698 /* wildcardless search, release resources in case no findnext will
699 * be issued, and as a workaround in case file creation messes up
700 * findnext, as sometimes happens with pkunzip */
701 HeapFree( GetProcessHeap(), 0, dta->unixPath );
702 dta->unixPath = NULL;
703 }
704 return 1;
705 }
706
707
708 static BOOL32 INT21_CreateTempFile( CONTEXT *context )
709 {
710 static int counter = 0;
711 char *name = CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context) );
712 char *p = name + strlen(name);
713
714 /* despite what Ralf Brown says, some programs seem to call without
715 * ending backslash (DOS accepts that, so we accept it too) */
716 if ((p == name) || (p[-1] != '\\')) *p++ = '\\';
717
718 for (;;)
719 {
720 sprintf( p, "wine%04x.%03d", (int)getpid(), counter );
721 counter = (counter + 1) % 1000;
722
723 if ((AX_reg(context) = _lcreat16_uniq( name, 0 )) != (WORD)HFILE_ERROR16)
724 {
725 TRACE(int21, "created %s\n", name );
726 return TRUE;
727 }
728 if (DOS_ExtendedError != ER_FileExists) return FALSE;
729 }
730 }
731
732
733 static BOOL32 INT21_GetCurrentDirectory( CONTEXT *context )
734 {
735 int drive = DOS_GET_DRIVE( DL_reg(context) );
736 char *ptr = (char *)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), ESI_reg(context) );
737
738 if (!DRIVE_IsValid(drive))
739 {
740 DOS_ERROR( ER_InvalidDrive, EC_NotFound, SA_Abort, EL_Disk );
741 return FALSE;
742 }
743 lstrcpyn32A( ptr, DRIVE_GetDosCwd(drive), 64 );
744 AX_reg(context) = 0x0100; /* success return code */
745 return TRUE;
746 }
747
748
749 static void INT21_GetDBCSLeadTable( CONTEXT *context )
750 {
751 if (heap || INT21_CreateHeap())
752 { /* return an empty table just as DOS 4.0+ does */
753 DS_reg(context) = DosHeapHandle;
754 SI_reg(context) = (int)&heap->DummyDBCSLeadTable - (int)heap;
755 }
756 else
757 {
758 AX_reg(context) = 0x1; /* error */
759 SET_CFLAG(context);
760 }
761 }
762
763
764 static int INT21_GetDiskSerialNumber( CONTEXT *context )
765 {
766 BYTE *dataptr = CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context));
767 int drive = DOS_GET_DRIVE( BL_reg(context) );
768
769 if (!DRIVE_IsValid(drive))
770 {
771 DOS_ERROR( ER_InvalidDrive, EC_NotFound, SA_Abort, EL_Disk );
772 return 0;
773 }
774
775 *(WORD *)dataptr = 0;
776 *(DWORD *)(dataptr + 2) = DRIVE_GetSerialNumber( drive );
777 memcpy( dataptr + 6, DRIVE_GetLabel( drive ), 11 );
778 strncpy(dataptr + 0x11, "FAT16 ", 8);
779 return 1;
780 }
781
782
783 static int INT21_SetDiskSerialNumber( CONTEXT *context )
784 {
785 BYTE *dataptr = CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context));
786 int drive = DOS_GET_DRIVE( BL_reg(context) );
787
788 if (!DRIVE_IsValid(drive))
789 {
790 DOS_ERROR( ER_InvalidDrive, EC_NotFound, SA_Abort, EL_Disk );
791 return 0;
792 }
793
794 DRIVE_SetSerialNumber( drive, *(DWORD *)(dataptr + 2) );
795 return 1;
796 }
797
798
799 /* microsoft's programmers should be shot for using CP/M style int21
800 calls in Windows for Workgroup's winfile.exe */
801
802 static int INT21_FindFirstFCB( CONTEXT *context )
803 {
804 BYTE *fcb = (BYTE *)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context));
805 FINDFILE_FCB *pFCB;
806 LPCSTR root, cwd;
807 int drive;
808
809 if (*fcb == 0xff) pFCB = (FINDFILE_FCB *)(fcb + 7);
810 else pFCB = (FINDFILE_FCB *)fcb;
811 drive = DOS_GET_DRIVE( pFCB->drive );
812 if (!DRIVE_IsValid( drive )) return 0;
813 root = DRIVE_GetRoot( drive );
814 cwd = DRIVE_GetUnixCwd( drive );
815 pFCB->unixPath = HeapAlloc( GetProcessHeap(), 0,
816 strlen(root)+strlen(cwd)+2 );
817 if (!pFCB->unixPath) return 0;
818 strcpy( pFCB->unixPath, root );
819 strcat( pFCB->unixPath, "/" );
820 strcat( pFCB->unixPath, cwd );
821 pFCB->count = 0;
822 return 1;
823 }
824
825
826 static int INT21_FindNextFCB( CONTEXT *context )
827 {
828 BYTE *fcb = (BYTE *)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context));
829 FINDFILE_FCB *pFCB;
830 DOS_DIRENTRY_LAYOUT *pResult = (DOS_DIRENTRY_LAYOUT *)GetCurrentDTA(context);
831 WIN32_FIND_DATA32A entry;
832 BYTE attr;
833 int count;
834
835 if (*fcb == 0xff) /* extended FCB ? */
836 {
837 attr = fcb[6];
838 pFCB = (FINDFILE_FCB *)(fcb + 7);
839 }
840 else
841 {
842 attr = 0;
843 pFCB = (FINDFILE_FCB *)fcb;
844 }
845
846 if (!pFCB->unixPath) return 0;
847 if (!(count = DOSFS_FindNext( pFCB->unixPath, pFCB->filename, NULL,
848 DOS_GET_DRIVE( pFCB->drive ), attr,
849 pFCB->count, &entry )))
850 {
851 HeapFree( GetProcessHeap(), 0, pFCB->unixPath );
852 pFCB->unixPath = NULL;
853 return 0;
854 }
855 pFCB->count += count;
856
857 if (*fcb == 0xff) { /* place extended FCB header before pResult if called with extended FCB */
858 *(BYTE *)pResult = 0xff;
859 (BYTE *)pResult +=6; /* leave reserved field behind */
860 *(BYTE *)pResult = entry.dwFileAttributes;
861 ((BYTE *)pResult)++;
862 }
863 *(BYTE *)pResult = DOS_GET_DRIVE( pFCB->drive ); /* DOS_DIRENTRY_LAYOUT after current drive number */
864 ((BYTE *)pResult)++;
865 pResult->fileattr = entry.dwFileAttributes;
866 pResult->cluster = 0; /* what else? */
867 pResult->filesize = entry.nFileSizeLow;
868 memset( pResult->reserved, 0, sizeof(pResult->reserved) );
869 FileTimeToDosDateTime( &entry.ftLastWriteTime,
870 &pResult->filedate, &pResult->filetime );
871
872 /* Convert file name to FCB format */
873
874 memset( pResult->filename, ' ', sizeof(pResult->filename) );
875 if (!strcmp( entry.cAlternateFileName, "." )) pResult->filename[0] = '.';
876 else if (!strcmp( entry.cAlternateFileName, ".." ))
877 pResult->filename[0] = pResult->filename[1] = '.';
878 else
879 {
880 char *p = strrchr( entry.cAlternateFileName, '.' );
881 if (p && p[1] && (p != entry.cAlternateFileName))
882 {
883 memcpy( pResult->filename, entry.cAlternateFileName,
884 MIN( (p - entry.cAlternateFileName), 8 ) );
885 memcpy( pResult->filename + 8, p + 1, MIN( strlen(p), 3 ) );
886 }
887 else
888 memcpy( pResult->filename, entry.cAlternateFileName,
889 MIN( strlen(entry.cAlternateFileName), 8 ) );
890 }
891 return 1;
892 }
893
894
895 static void DeleteFileFCB( CONTEXT *context )
896 {
897 FIXME(int21, "(%p): stub\n", context);
898 }
899
900 static void RenameFileFCB( CONTEXT *context )
901 {
902 FIXME(int21, "(%p): stub\n", context);
903 }
904
905
906
907 static void fLock( CONTEXT * context )
908 {
909
910 switch ( AX_reg(context) & 0xff )
911 {
912 case 0x00: /* LOCK */
913 TRACE(int21,"lock handle %d offset %ld length %ld\n",
914 BX_reg(context),
915 MAKELONG(DX_reg(context),CX_reg(context)),
916 MAKELONG(DI_reg(context),SI_reg(context))) ;
917 if (!LockFile(FILE_GetHandle32(BX_reg(context)),
918 MAKELONG(DX_reg(context),CX_reg(context)), 0,
919 MAKELONG(DI_reg(context),SI_reg(context)), 0)) {
920 AX_reg(context) = DOS_ExtendedError;
921 SET_CFLAG(context);
922 }
923 break;
924
925 case 0x01: /* UNLOCK */
926 TRACE(int21,"unlock handle %d offset %ld length %ld\n",
927 BX_reg(context),
928 MAKELONG(DX_reg(context),CX_reg(context)),
929 MAKELONG(DI_reg(context),SI_reg(context))) ;
930 if (!UnlockFile(FILE_GetHandle32(BX_reg(context)),
931 MAKELONG(DX_reg(context),CX_reg(context)), 0,
932 MAKELONG(DI_reg(context),SI_reg(context)), 0)) {
933 AX_reg(context) = DOS_ExtendedError;
934 SET_CFLAG(context);
935 }
936 return;
937 default:
938 AX_reg(context) = 0x0001;
939 SET_CFLAG(context);
940 return;
941 }
942 }
943
944 static BOOL32
945 INT21_networkfunc (CONTEXT *context)
946 {
947 switch (AL_reg(context)) {
948 case 0x00: /* Get machine name. */
949 {
950 char *dst = CTX_SEG_OFF_TO_LIN (context,DS_reg(context),EDX_reg(context));
951 TRACE(int21, "getting machine name to %p\n", dst);
952 if (gethostname (dst, 15))
953 {
954 WARN(int21,"failed!\n");
955 DOS_ERROR( ER_NoNetwork, EC_NotFound, SA_Abort, EL_Network );
956 return TRUE;
957 } else {
958 int len = strlen (dst);
959 while (len < 15)
960 dst[len++] = ' ';
961 dst[15] = 0;
962 CH_reg(context) = 1; /* Valid */
963 CL_reg(context) = 1; /* NETbios number??? */
964 TRACE(int21, "returning %s\n", debugstr_an (dst, 16));
965 return FALSE;
966 }
967 }
968
969 default:
970 DOS_ERROR( ER_NoNetwork, EC_NotFound, SA_Abort, EL_Network );
971 return TRUE;
972 }
973 }
974
975 static void INT21_SetCurrentPSP(WORD psp)
976 {
977 #ifdef MZ_SUPPORTED
978 TDB *pTask = hModule ? NULL : (TDB *)GlobalLock16( GetCurrentTask() );
979 NE_MODULE *pModule = (hModule || pTask) ? NE_GetPtr( hModule ? hModule : pTask->hModule ) : NULL;
980
981 GlobalUnlock16( GetCurrentTask() );
982 if (pModule->lpDosTask)
983 pModule->lpDosTask->psp_seg = psp;
984 else
985 #endif
986 ERR(int21, "Cannot change PSP for non-DOS task!\n");
987 }
988
989 static WORD INT21_GetCurrentPSP()
990 {
991 #ifdef MZ_SUPPORTED
992 TDB *pTask = hModule ? NULL : (TDB *)GlobalLock16( GetCurrentTask() );
993 NE_MODULE *pModule = (hModule || pTask) ? NE_GetPtr( hModule ? hModule : pTask->hModule ) : NULL;
994
995 GlobalUnlock16( GetCurrentTask() );
996 if (pModule->lpDosTask)
997 return pModule->lpDosTask->psp_seg;
998 else
999 #endif
1000 return GetCurrentPDB();
1001 }
1002
1003
1004 SEGPTR INT21_GetListOfLists()
1005 {
1006 static DOS_LISTOFLISTS *LOL;
1007 static SEGPTR seg_LOL;
1008
1009 /*
1010 Output of DOS 6.22:
1011
1012 0133:0020 6A 13-33 01 CC 00 33 01 59 00 j.3...3.Y.
1013 0133:0030 70 00 00 00 72 02 00 02-6D 00 33 01 00 00 2E 05 p...r...m.3.....
1014 0133:0040 00 00 FC 04 00 00 03 08-92 21 11 E0 04 80 C6 0D .........!......
1015 0133:0050 CC 0D 4E 55 4C 20 20 20-20 20 00 00 00 00 00 00 ..NUL ......
1016 0133:0060 00 4B BA C1 06 14 00 00-00 03 01 00 04 70 CE FF .K...........p..
1017 0133:0070 FF 00 00 00 00 00 00 00-00 01 00 00 0D 05 00 00 ................
1018 0133:0080 00 FF FF 00 00 00 00 FE-00 00 F8 03 FF 9F 70 02 ..............p.
1019 0133:0090 D0 44 C8 FD D4 44 C8 FD-D4 44 C8 FD D0 44 C8 FD .D...D...D...D..
1020 0133:00A0 D0 44 C8 FD D0 44 .D...D
1021 */
1022 if (!LOL) {
1023 LOL = SEGPTR_ALLOC(sizeof(DOS_LISTOFLISTS));
1024
1025 LOL->CX_Int21_5e01 = 0x0;
1026 LOL->LRU_count_FCB_cache = 0x0;
1027 LOL->LRU_count_FCB_open = 0x0;
1028 LOL->OEM_func_handler = -1; /* not available */
1029 LOL->INT21_offset = 0x0;
1030 LOL->sharing_retry_count = sharing_retries; /* default value: 3 */
1031 LOL->sharing_retry_delay = sharing_pause; /* default value: 1 */
1032 LOL->ptr_disk_buf = 0x0;
1033 LOL->offs_unread_CON = 0x0;
1034 LOL->seg_first_MCB = 0x0;
1035 LOL->ptr_first_DPB = 0x0;
1036 LOL->ptr_first_SysFileTable = 0x0;
1037 LOL->ptr_clock_dev_hdr = 0x0;
1038 LOL->ptr_CON_dev_hdr = 0x0;
1039 LOL->max_byte_per_sec = 512;
1040 LOL->ptr_disk_buf_info = 0x0;
1041 LOL->ptr_array_CDS = 0x0;
1042 LOL->ptr_sys_FCB = 0x0;
1043 LOL->nr_protect_FCB = 0x0;
1044 LOL->nr_block_dev = 0x0;
1045 LOL->nr_avail_drive_letters = 26; /* A - Z */
1046 LOL->nr_drives_JOINed = 0x0;
1047 LOL->ptr_spec_prg_names = 0x0;
1048 LOL->ptr_SETVER_prg_list = 0x0; /* no SETVER list */
1049 LOL->DOS_HIGH_A20_func_offs = 0x0;
1050 LOL->PSP_last_exec = 0x0;
1051 LOL->BUFFERS_val = 99; /* maximum: 99 */
1052 LOL->BUFFERS_nr_lookahead = 8; /* maximum: 8 */
1053 LOL->boot_drive = 3; /* C: */
1054 LOL->flag_DWORD_moves = 0x01; /* i386+ */
1055 LOL->size_extended_mem = 0xf000; /* very high value */
1056 }
1057 if (!seg_LOL) seg_LOL = SEGPTR_GET(LOL);
1058 return seg_LOL+(WORD)&((DOS_LISTOFLISTS*)0)->ptr_first_DPB;
1059 }
1060
1061 /***********************************************************************
1062 * DOS3Call (KERNEL.102)
1063 */
1064 void WINAPI DOS3Call( CONTEXT *context )
1065 {
1066 BOOL32 bSetDOSExtendedError = FALSE;
1067
1068
1069 TRACE(int21, "AX=%04x BX=%04x CX=%04x DX=%04x "
1070 "SI=%04x DI=%04x DS=%04x ES=%04x EFL=%08lx\n",
1071 AX_reg(context), BX_reg(context), CX_reg(context), DX_reg(context),
1072 SI_reg(context), DI_reg(context),
1073 (WORD)DS_reg(context), (WORD)ES_reg(context),
1074 EFL_reg(context) );
1075
1076
1077 if (AH_reg(context) == 0x59) /* Get extended error info */
1078 {
1079 TRACE(int21, "GET EXTENDED ERROR code 0x%02x class 0x%02x action 0x%02x locus %02x\n",
1080 DOS_ExtendedError, DOS_ErrorClass, DOS_ErrorAction, DOS_ErrorLocus);
1081 AX_reg(context) = DOS_ExtendedError;
1082 BH_reg(context) = DOS_ErrorClass;
1083 BL_reg(context) = DOS_ErrorAction;
1084 CH_reg(context) = DOS_ErrorLocus;
1085 return;
1086 }
1087
1088 if (AH_reg(context) == 0x0C) /* Flush buffer and read standard input */
1089 {
1090 TRACE(int21, "FLUSH BUFFER AND READ STANDARD INPUT\n");
1091 /* no flush here yet */
1092 AH_reg(context) = AL_reg(context);
1093 }
1094
1095 if (AH_reg(context)>=0x2f) {
1096 /* extended error is used by (at least) functions 0x2f to 0x62 */
1097 DOS_ERROR( 0, 0, 0, 0 );
1098 }
1099 RESET_CFLAG(context); /* Not sure if this is a good idea */
1100
1101 switch(AH_reg(context))
1102 {
1103 case 0x03: /* READ CHARACTER FROM STDAUX */
1104 case 0x04: /* WRITE CHARACTER TO STDAUX */
1105 case 0x05: /* WRITE CHARACTER TO PRINTER */
1106 case 0x0f: /* OPEN FILE USING FCB */
1107 case 0x10: /* CLOSE FILE USING FCB */
1108 case 0x14: /* SEQUENTIAL READ FROM FCB FILE */
1109 case 0x15: /* SEQUENTIAL WRITE TO FCB FILE */
1110 case 0x16: /* CREATE OR TRUNCATE FILE USING FCB */
1111 case 0x21: /* READ RANDOM RECORD FROM FCB FILE */
1112 case 0x22: /* WRITE RANDOM RECORD TO FCB FILE */
1113 case 0x23: /* GET FILE SIZE FOR FCB */
1114 case 0x24: /* SET RANDOM RECORD NUMBER FOR FCB */
1115 case 0x26: /* CREATE NEW PROGRAM SEGMENT PREFIX */
1116 case 0x27: /* RANDOM BLOCK READ FROM FCB FILE */
1117 case 0x28: /* RANDOM BLOCK WRITE TO FCB FILE */
1118 case 0x54: /* GET VERIFY FLAG */
1119 INT_BARF( context, 0x21 );
1120 break;
1121
1122 case 0x00: /* TERMINATE PROGRAM */
1123 TRACE(int21,"TERMINATE PROGRAM\n");
1124 ExitProcess( 0 );
1125 break;
1126
1127 case 0x01: /* READ CHARACTER FROM STANDARD INPUT, WITH ECHO */
1128 TRACE(int21,"DIRECT CHARACTER INPUT WITH ECHO\n");
1129 AL_reg(context) = CONSOLE_GetCharacter();
1130 /* FIXME: no echo */
1131 break;
1132
1133 case 0x02: /* WRITE CHARACTER TO STANDARD OUTPUT */
1134 TRACE(int21, "Write Character to Standard Output\n");
1135 CONSOLE_Write(DL_reg(context), 0, 0, 0);
1136 break;
1137
1138 case 0x06: /* DIRECT CONSOLE IN/OUTPUT */
1139 TRACE(int21, "Direct Console Input/Output\n");
1140 CONSOLE_Write(DL_reg(context), 0, 0, 0);
1141 break;
1142
1143 case 0x07: /* DIRECT CHARACTER INPUT WITHOUT ECHO */
1144 TRACE(int21,"DIRECT CHARACTER INPUT WITHOUT ECHO\n");
1145 AL_reg(context) = CONSOLE_GetCharacter();
1146 break;
1147
1148 case 0x08: /* CHARACTER INPUT WITHOUT ECHO */
1149 TRACE(int21,"CHARACTER INPUT WITHOUT ECHO\n");
1150 AL_reg(context) = CONSOLE_GetCharacter();
1151 break;
1152
1153 case 0x09: /* WRITE STRING TO STANDARD OUTPUT */
1154 TRACE(int21,"WRITE '$'-terminated string from %04lX:%04X to stdout\n",
1155 DS_reg(context),DX_reg(context) );
1156 {
1157 LPSTR data = CTX_SEG_OFF_TO_LIN(context,DS_reg(context),EDX_reg(context));
1158 LONG length = strchr(data,'$')-data;
1159 _hwrite16( 1, data, length);
1160 AL_reg(context) = '$'; /* yes, '$' (0x24) gets returned in AL */
1161 }
1162 break;
1163
1164 case 0x0a: /* BUFFERED INPUT */
1165 {
1166 char *buffer = ((char *)CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
1167 EDX_reg(context) ));
1168 int res;
1169
1170 TRACE(int21,"BUFFERED INPUT (size=%d)\n",buffer[0]);
1171 if (buffer[1])
1172 TRACE(int21,"Handle old chars in buffer!\n");
1173 res=_lread16( 0, buffer+2,buffer[0]);
1174 buffer[1]=res;
1175 if(buffer[res+1] == '\n')
1176 buffer[res+1] = '\r';
1177 break;
1178 }
1179
1180 case 0x0b: {/* GET STDIN STATUS */
1181 char x1,x2;
1182
1183 if (CONSOLE_CheckForKeystroke(&x1,&x2))
1184 AL_reg(context) = 0xff;
1185 else
1186 AL_reg(context) = 0;
1187 break;
1188 }
1189 case 0x2e: /* SET VERIFY FLAG */
1190 TRACE(int21,"SET VERIFY FLAG ignored\n");
1191 /* we cannot change the behaviour anyway, so just ignore it */
1192 break;
1193
1194 case 0x18: /* NULL FUNCTIONS FOR CP/M COMPATIBILITY */
1195 case 0x1d:
1196 case 0x1e:
1197 case 0x20:
1198 case 0x6b: /* NULL FUNCTION */
1199 AL_reg(context) = 0;
1200 break;
1201
1202 case 0x5c: /* "FLOCK" - RECORD LOCKING */
1203 fLock(context);
1204 break;
1205
1206 case 0x0d: /* DISK BUFFER FLUSH */
1207 TRACE(int21,"DISK BUFFER FLUSH ignored\n");
1208 RESET_CFLAG(context); /* dos 6+ only */
1209 break;
1210
1211 case 0x0e: /* SELECT DEFAULT DRIVE */
1212 TRACE(int21,"SELECT DEFAULT DRIVE %d\n", DL_reg(context));
1213 DRIVE_SetCurrentDrive( DL_reg(context) );
1214 AL_reg(context) = MAX_DOS_DRIVES;
1215 break;
1216
1217 case 0x11: /* FIND FIRST MATCHING FILE USING FCB */
1218 TRACE(int21,"FIND FIRST MATCHING FILE USING FCB %p\n",
1219 CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context)));
1220 if (!INT21_FindFirstFCB(context))
1221 {
1222 AL_reg(context) = 0xff;
1223 break;
1224 }
1225 /* else fall through */
1226
1227 case 0x12: /* FIND NEXT MATCHING FILE USING FCB */
1228 AL_reg(context) = INT21_FindNextFCB(context) ? 0x00 : 0xff;
1229 break;
1230
1231 case 0x13: /* DELETE FILE USING FCB */
1232 DeleteFileFCB(context);
1233 break;
1234
1235 case 0x17: /* RENAME FILE USING FCB */
1236 RenameFileFCB(context);
1237 break;
1238
1239 case 0x19: /* GET CURRENT DEFAULT DRIVE */
1240 AL_reg(context) = DRIVE_GetCurrentDrive();
1241 break;
1242
1243 case 0x1a: /* SET DISK TRANSFER AREA ADDRESS */
1244 {
1245 TDB *pTask = (TDB *)GlobalLock16( GetCurrentTask() );
1246 pTask->dta = PTR_SEG_OFF_TO_SEGPTR(DS_reg(context),DX_reg(context));
1247 TRACE(int21, "Set DTA: %08lx\n", pTask->dta);
1248 }
1249 break;
1250
1251 case 0x1b: /* GET ALLOCATION INFORMATION FOR DEFAULT DRIVE */
1252 DL_reg(context) = 0;
1253 if (!INT21_GetDriveAllocInfo(context)) AX_reg(context) = 0xffff;
1254 break;
1255
1256 case 0x1c: /* GET ALLOCATION INFORMATION FOR SPECIFIC DRIVE */
1257 if (!INT21_GetDriveAllocInfo(context)) AX_reg(context) = 0xffff;
1258 break;
1259
1260 case 0x1f: /* GET DRIVE PARAMETER BLOCK FOR DEFAULT DRIVE */
1261 GetDrivePB(context, DRIVE_GetCurrentDrive());
1262 break;
1263
1264 case 0x25: /* SET INTERRUPT VECTOR */
1265 INT_CtxSetHandler( context, AL_reg(context),
1266 (FARPROC16)PTR_SEG_OFF_TO_SEGPTR( DS_reg(context),
1267 DX_reg(context)));
1268 break;
1269
1270 case 0x29: /* PARSE FILENAME INTO FCB */
1271 INT21_ParseFileNameIntoFCB(context);
1272 break;
1273
1274 case 0x2a: /* GET SYSTEM DATE */
1275 INT21_GetSystemDate(context);
1276 break;
1277
1278 case 0x2b: /* SET SYSTEM DATE */
1279 FIXME(int21, "SetSystemDate(%02d/%02d/%04d): not allowed\n",
1280 DL_reg(context), DH_reg(context), CX_reg(context) );
1281 AL_reg(context) = 0; /* Let's pretend we succeeded */
1282 break;
1283
1284 case 0x2c: /* GET SYSTEM TIME */
1285 INT21_GetSystemTime(context);
1286 break;
1287
1288 case 0x2d: /* SET SYSTEM TIME */
1289 FIXME(int21, "SetSystemTime(%02d:%02d:%02d.%02d): not allowed\n",
1290 CH_reg(context), CL_reg(context),
1291 DH_reg(context), DL_reg(context) );
1292 AL_reg(context) = 0; /* Let's pretend we succeeded */
1293 break;
1294
1295 case 0x2f: /* GET DISK TRANSFER AREA ADDRESS */
1296 TRACE(int21,"GET DISK TRANSFER AREA ADDRESS\n");
1297 {
1298 TDB *pTask = (TDB *)GlobalLock16( GetCurrentTask() );
1299 ES_reg(context) = SELECTOROF( pTask->dta );
1300 BX_reg(context) = OFFSETOF( pTask->dta );
1301 }
1302 break;
1303
1304 case 0x30: /* GET DOS VERSION */
1305 TRACE(int21,"GET DOS VERSION %s requested\n",
1306 (AL_reg(context) == 0x00)?"OEM number":"version flag");
1307 AX_reg(context) = (HIWORD(GetVersion16()) >> 8) |
1308 (HIWORD(GetVersion16()) << 8);
1309 #if 0
1310 AH_reg(context) = 0x7;
1311 AL_reg(context) = 0xA;
1312 #endif
1313
1314 BX_reg(context) = 0x00FF; /* 0x123456 is Wine's serial # */
1315 CX_reg(context) = 0x0000;
1316 break;
1317
1318 case 0x31: /* TERMINATE AND STAY RESIDENT */
1319 FIXME(int21,"TERMINATE AND STAY RESIDENT stub\n");
1320 break;
1321
1322 case 0x32: /* GET DOS DRIVE PARAMETER BLOCK FOR SPECIFIC DRIVE */
1323 TRACE(int21,"GET DOS DRIVE PARAMETER BLOCK FOR DRIVE %s\n",
1324 INT21_DriveName( DL_reg(context)));
1325 GetDrivePB(context, DOS_GET_DRIVE( DL_reg(context) ) );
1326 break;
1327
1328 case 0x33: /* MULTIPLEXED */
1329 switch (AL_reg(context))
1330 {
1331 case 0x00: /* GET CURRENT EXTENDED BREAK STATE */
1332 TRACE(int21,"GET CURRENT EXTENDED BREAK STATE\n");
1333 DL_reg(context) = DOSCONF_config.brk_flag;
1334 break;
1335
1336 case 0x01: /* SET EXTENDED BREAK STATE */
1337 TRACE(int21,"SET CURRENT EXTENDED BREAK STATE\n");
1338 DOSCONF_config.brk_flag = (DL_reg(context) > 0);
1339 break;
1340
1341 case 0x02: /* GET AND SET EXTENDED CONTROL-BREAK CHECKING STATE*/
1342 TRACE(int21,"GET AND SET EXTENDED CONTROL-BREAK CHECKING STATE\n");
1343 /* ugly coding in order to stay reentrant */
1344 if (DL_reg(context))
1345 {
1346 DL_reg(context) = DOSCONF_config.brk_flag;
1347 DOSCONF_config.brk_flag = 1;
1348 }
1349 else
1350 {
1351 DL_reg(context) = DOSCONF_config.brk_flag;
1352 DOSCONF_config.brk_flag = 0;
1353 }
1354 break;
1355
1356 case 0x05: /* GET BOOT DRIVE */
1357 TRACE(int21,"GET BOOT DRIVE\n");
1358 DL_reg(context) = 3;
1359 /* c: is Wine's bootdrive (a: is 1)*/
1360 break;
1361
1362 case 0x06: /* GET TRUE VERSION NUMBER */
1363 TRACE(int21,"GET TRUE VERSION NUMBER\n");
1364 BX_reg(context) = (HIWORD(GetVersion16() >> 8)) |
1365 (HIWORD(GetVersion16() << 8));
1366 DX_reg(context) = 0x00;
1367 break;
1368
1369 default:
1370 INT_BARF( context, 0x21 );
1371 break;
1372 }
1373 break;
1374
1375 case 0x34: /* GET ADDRESS OF INDOS FLAG */
1376 TRACE(int21,"GET ADDRESS OF INDOS FLAG\n");
1377 if (!heap) INT21_CreateHeap();
1378 ES_reg(context) = DosHeapHandle;
1379 BX_reg(context) = (int)&heap->InDosFlag - (int)heap;
1380 break;
1381
1382 case 0x35: /* GET INTERRUPT VECTOR */
1383 TRACE(int21,"GET INTERRUPT VECTOR 0x%02x\n",AL_reg(context));
1384 {
1385 FARPROC16 addr = INT_CtxGetHandler( context, AL_reg(context) );
1386 ES_reg(context) = SELECTOROF(addr);
1387 BX_reg(context) = OFFSETOF(addr);
1388 }
1389 break;
1390
1391 case 0x36: /* GET FREE DISK SPACE */
1392 TRACE(int21,"GET FREE DISK SPACE FOR DRIVE %s\n",
1393 INT21_DriveName( DL_reg(context)));
1394 if (!INT21_GetFreeDiskSpace(context)) AX_reg(context) = 0xffff;
1395 break;
1396
1397 case 0x37:
1398 {
1399 unsigned char switchchar='/';
1400 switch (AL_reg(context))
1401 {
1402 case 0x00: /* "SWITCHAR" - GET SWITCH CHARACTER */
1403 TRACE(int21,"SWITCHAR - GET SWITCH CHARACTER\n");
1404 AL_reg(context) = 0x00; /* success*/
1405 DL_reg(context) = switchchar;
1406 break;
1407 case 0x01: /*"SWITCHAR" - SET SWITCH CHARACTER*/
1408 TRACE(int21,"SWITCHAR - SET SWITCH CHARACTER\n");
1409 switchchar = DL_reg(context);
1410 AL_reg(context) = 0x00; /* success*/
1411 break;
1412 default: /*"AVAILDEV" - SPECIFY \DEV\ PREFIX USE*/
1413 INT_BARF( context, 0x21 );
1414 break;
1415 }
1416 break;
1417 }
1418
1419 case 0x38: /* GET COUNTRY-SPECIFIC INFORMATION */
1420 TRACE(int21,"GET COUNTRY-SPECIFIC INFORMATION for country 0x%02x\n",
1421 AL_reg(context));
1422 AX_reg(context) = 0x02; /* no country support available */
1423 SET_CFLAG(context);
1424 break;
1425
1426 case 0x39: /* "MKDIR" - CREATE SUBDIRECTORY */
1427 TRACE(int21,"MKDIR %s\n",
1428 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context)));
1429 bSetDOSExtendedError = (!CreateDirectory16( CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
1430 EDX_reg(context) ), NULL));
1431 break;
1432
1433 case 0x3a: /* "RMDIR" - REMOVE SUBDIRECTORY */
1434 TRACE(int21,"RMDIR %s\n",
1435 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context)));
1436 bSetDOSExtendedError = (!RemoveDirectory16( CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
1437 EDX_reg(context) )));
1438 break;
1439
1440 case 0x3b: /* "CHDIR" - SET CURRENT DIRECTORY */
1441 TRACE(int21,"CHDIR %s\n",
1442 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context)));
1443 bSetDOSExtendedError = !INT21_ChangeDir(context);
1444 break;
1445
1446 case 0x3c: /* "CREAT" - CREATE OR TRUNCATE FILE */
1447 TRACE(int21,"CREAT flag 0x%02x %s\n",CX_reg(context),
1448 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context)));
1449 AX_reg(context) = _lcreat16( CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
1450 EDX_reg(context) ), CX_reg(context) );
1451 bSetDOSExtendedError = (AX_reg(context) == (WORD)HFILE_ERROR16);
1452 break;
1453
1454 case 0x3d: /* "OPEN" - OPEN EXISTING FILE */
1455 TRACE(int21,"OPEN mode 0x%02x %s\n",AL_reg(context),
1456 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context)));
1457 OpenExistingFile(context);
1458 break;
1459
1460 case 0x3e: /* "CLOSE" - CLOSE FILE */
1461 TRACE(int21,"CLOSE handle %d\n",BX_reg(context));
1462 bSetDOSExtendedError = ((AX_reg(context) = _lclose16( BX_reg(context) )) != 0);
1463 break;
1464
1465 case 0x3f: /* "READ" - READ FROM FILE OR DEVICE */
1466 TRACE(int21,"READ from %d to %04lX:%04X for %d byte\n",BX_reg(context),
1467 DS_reg(context),DX_reg(context),CX_reg(context) );
1468 {
1469 LONG result;
1470 if (ISV86(context))
1471 result = _hread16( BX_reg(context),
1472 CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
1473 EDX_reg(context) ),
1474 CX_reg(context) );
1475 else
1476 result = WIN16_hread( BX_reg(context),
1477 PTR_SEG_OFF_TO_SEGPTR( DS_reg(context),
1478 EDX_reg(context) ),
1479 CX_reg(context) );
1480 if (result == -1) bSetDOSExtendedError = TRUE;
1481 else AX_reg(context) = (WORD)result;
1482 }
1483 break;
1484
1485 case 0x40: /* "WRITE" - WRITE TO FILE OR DEVICE */
1486 TRACE(int21,"WRITE from %04lX:%04X to handle %d for %d byte\n",
1487 DS_reg(context),DX_reg(context),BX_reg(context),CX_reg(context) );
1488 {
1489 LONG result = _hwrite16( BX_reg(context),
1490 CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
1491 EDX_reg(context) ),
1492 CX_reg(context) );
1493 if (result == -1) bSetDOSExtendedError = TRUE;
1494 else AX_reg(context) = (WORD)result;
1495 }
1496 break;
1497
1498 case 0x41: /* "UNLINK" - DELETE FILE */
1499 TRACE(int21,"UNLINK%s\n",
1500 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context)));
1501 bSetDOSExtendedError = (!DeleteFile32A( CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
1502 EDX_reg(context) )));
1503 break;
1504
1505 case 0x42: /* "LSEEK" - SET CURRENT FILE POSITION */
1506 TRACE(int21,"LSEEK handle %d offset %ld from %s\n",
1507 BX_reg(context), MAKELONG(DX_reg(context),CX_reg(context)),
1508 (AL_reg(context)==0)?"start of file":(AL_reg(context)==1)?
1509 "current file position":"end of file");
1510 {
1511 LONG status = _llseek16( BX_reg(context),
1512 MAKELONG(DX_reg(context),CX_reg(context)),
1513 AL_reg(context) );
1514 if (status == -1) bSetDOSExtendedError = TRUE;
1515 else
1516 {
1517 AX_reg(context) = LOWORD(status);
1518 DX_reg(context) = HIWORD(status);
1519 }
1520 }
1521 break;
1522
1523 case 0x43: /* FILE ATTRIBUTES */
1524 switch (AL_reg(context))
1525 {
1526 case 0x00:
1527 TRACE(int21,"GET FILE ATTRIBUTES for %s\n",
1528 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context)));
1529 AX_reg(context) = (WORD)GetFileAttributes32A(
1530 CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
1531 EDX_reg(context)));
1532 if (AX_reg(context) == 0xffff) bSetDOSExtendedError = TRUE;
1533 else CX_reg(context) = AX_reg(context);
1534 break;
1535
1536 case 0x01:
1537 TRACE(int21,"SET FILE ATTRIBUTES 0x%02x for %s\n", CX_reg(context),
1538 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context)));
1539 bSetDOSExtendedError =
1540 (!SetFileAttributes32A( CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
1541 EDX_reg(context)),
1542 CX_reg(context) ));
1543 break;
1544 case 0x02:
1545 TRACE(int21,"GET COMPRESSED FILE SIZE for %s stub\n",
1546 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context)));
1547 }
1548 break;
1549
1550 case 0x44: /* IOCTL */
1551 switch (AL_reg(context))
1552 {
1553 case 0x00:
1554 ioctlGetDeviceInfo(context);
1555 break;
1556
1557 case 0x01:
1558 break;
1559 case 0x02:{
1560 const DOS_DEVICE *dev;
1561 if ((dev = DOSFS_GetDeviceByHandle( FILE_GetHandle32(BX_reg(context)) )) &&
1562 !strcasecmp( dev->name, "SCSIMGR$" ))
1563 {
1564 ASPI_DOS_HandleInt(context);
1565 }
1566 break;
1567 }
1568 case 0x05:{ /* IOCTL - WRITE TO BLOCK DEVICE CONTROL CHANNEL */
1569 /*BYTE *dataptr = CTX_SEG_OFF_TO_LIN(context, DS_reg(context),EDX_reg(context));*/
1570 int drive = DOS_GET_DRIVE(BL_reg(context));
1571
1572 FIXME(int21,"program tried to write to block device control channel of drive %d:\n",drive);
1573 /* for (i=0;i<CX_reg(context);i++)
1574 fprintf(stdnimp,"%02x ",dataptr[i]);
1575 fprintf(stdnimp,"\n");*/
1576 AX_reg(context)=CX_reg(context);
1577 break;
1578 }
1579 case 0x08: /* Check if drive is removable. */
1580 TRACE(int21,"IOCTL - CHECK IF BLOCK DEVICE REMOVABLE for drive %s\n",
1581 INT21_DriveName( BL_reg(context)));
1582 switch(GetDriveType16( DOS_GET_DRIVE( BL_reg(context) )))
1583 {
1584 case DRIVE_CANNOTDETERMINE:
1585 DOS_ERROR( ER_InvalidDrive, EC_NotFound, SA_Abort, EL_Disk );
1586 AX_reg(context) = ER_InvalidDrive;
1587 SET_CFLAG(context);
1588 break;
1589 case DRIVE_REMOVABLE:
1590 AX_reg(context) = 0; /* removable */
1591 break;
1592 default:
1593 AX_reg(context) = 1; /* not removable */
1594 break;
1595 }
1596 break;
1597
1598 case 0x09: /* CHECK IF BLOCK DEVICE REMOTE */
1599 TRACE(int21,"IOCTL - CHECK IF BLOCK DEVICE REMOTE for drive %s\n",
1600 INT21_DriveName( BL_reg(context)));
1601 switch(GetDriveType16( DOS_GET_DRIVE( BL_reg(context) )))
1602 {
1603 case DRIVE_CANNOTDETERMINE:
1604 DOS_ERROR( ER_InvalidDrive, EC_NotFound, SA_Abort, EL_Disk );
1605 AX_reg(context) = ER_InvalidDrive;
1606 SET_CFLAG(context);
1607 break;
1608 case DRIVE_REMOTE:
1609 DX_reg(context) = (1<<9) | (1<<12); /* remote */
1610 break;
1611 default:
1612 DX_reg(context) = 0; /* FIXME: use driver attr here */
1613 break;
1614 }
1615 break;
1616
1617 case 0x0a: /* check if handle (BX) is remote */
1618 TRACE(int21,"IOCTL - CHECK IF HANDLE %d IS REMOTE\n",BX_reg(context));
1619 /* returns DX, bit 15 set if remote, bit 14 set if date/time
1620 * not set on close
1621 */
1622 DX_reg(context) = 0;
1623 break;
1624
1625 case 0x0b: /* SET SHARING RETRY COUNT */
1626 TRACE(int21,"IOCTL - SET SHARING RETRY COUNT pause %d retries %d\n",
1627 CX_reg(context), DX_reg(context));
1628 if (!CX_reg(context))
1629 {
1630 AX_reg(context) = 1;
1631 SET_CFLAG(context);
1632 break;
1633 }
1634 sharing_pause = CX_reg(context);
1635 if (!DX_reg(context))
1636 sharing_retries = DX_reg(context);
1637 RESET_CFLAG(context);
1638 break;
1639
1640 case 0x0d:
1641 TRACE(int21,"IOCTL - GENERIC BLOCK DEVICE REQUEST %s\n",
1642 INT21_DriveName( BL_reg(context)));
1643 bSetDOSExtendedError = ioctlGenericBlkDevReq(context);
1644 break;
1645
1646 case 0x0e: /* get logical drive mapping */
1647 TRACE(int21,"IOCTL - GET LOGICAL DRIVE MAP for drive %s\n",
1648 INT21_DriveName( BL_reg(context)));
1649 AL_reg(context) = 0; /* drive has no mapping - FIXME: may be wrong*/
1650 break;
1651
1652 case 0x0F: /* Set logical drive mapping */
1653 {
1654 int drive;
1655 TRACE(int21,"IOCTL - SET LOGICAL DRIVE MAP for drive %s\n",
1656 INT21_DriveName( BL_reg(context)));
1657 drive = DOS_GET_DRIVE ( BL_reg(context) );
1658 if ( ! DRIVE_SetLogicalMapping ( drive, drive+1 ) )
1659 {
1660 SET_CFLAG(context);
1661 AX_reg(context) = 0x000F; /* invalid drive */
1662 }
1663 break;
1664 }
1665
1666 case 0xe0: /* Sun PC-NFS API */
1667 /* not installed */
1668 break;
1669
1670 default:
1671 INT_BARF( context, 0x21 );
1672 break;
1673 }
1674 break;
1675
1676 case 0x45: /* "DUP" - DUPLICATE FILE HANDLE */
1677 {
1678 HANDLE32 handle;
1679 TRACE(int21,"DUP - DUPLICATE FILE HANDLE %d\n",BX_reg(context));
1680 if ((bSetDOSExtendedError = !DuplicateHandle( GetCurrentProcess(),
1681 FILE_GetHandle32(BX_reg(context)),
1682 GetCurrentProcess(), &handle,
1683 0, TRUE, DUPLICATE_SAME_ACCESS )))
1684 AX_reg(context) = HFILE_ERROR16;
1685 else
1686 AX_reg(context) = FILE_AllocDosHandle(handle);
1687 break;
1688 }
1689
1690 case 0x46: /* "DUP2", "FORCEDUP" - FORCE DUPLICATE FILE HANDLE */
1691 TRACE(int21,"FORCEDUP - FORCE DUPLICATE FILE HANDLE %d to %d\n",
1692 BX_reg(context),CX_reg(context));
1693 bSetDOSExtendedError = (FILE_Dup2( BX_reg(context), CX_reg(context) ) == HFILE_ERROR16);
1694 break;
1695
1696 case 0x47: /* "CWD" - GET CURRENT DIRECTORY */
1697 TRACE(int21,"CWD - GET CURRENT DIRECTORY for drive %s\n",
1698 INT21_DriveName( DL_reg(context)));
1699 bSetDOSExtendedError = !INT21_GetCurrentDirectory(context);
1700 break;
1701
1702 case 0x48: /* ALLOCATE MEMORY */
1703 TRACE(int21,"ALLOCATE MEMORY for %d paragraphs\n", BX_reg(context));
1704 {
1705 LPVOID *mem;
1706 if (ISV86(context))
1707 {
1708 mem= DOSMEM_GetBlock(0,(DWORD)BX_reg(context)<<4,NULL);
1709 if (mem)
1710 AX_reg(context) = DOSMEM_MapLinearToDos(mem)>>4;
1711 }
1712 else
1713 {
1714 mem = (LPVOID)GlobalDOSAlloc(BX_reg(context)<<4);
1715 if (mem)
1716 AX_reg(context) = (DWORD)mem&0xffff;
1717 }
1718 if (!mem)
1719 {
1720 SET_CFLAG(context);
1721 AX_reg(context) = 0x0008; /* insufficient memory */
1722 BX_reg(context) = DOSMEM_Available(0)>>4;
1723 }
1724 }
1725 break;
1726
1727 case 0x49: /* FREE MEMORY */
1728 TRACE(int21,"FREE MEMORY segment %04lX\n", ES_reg(context));
1729 {
1730 BOOL32 ret;
1731 if (ISV86(context))
1732 ret= DOSMEM_FreeBlock(0,DOSMEM_MapDosToLinear(ES_reg(context)<<4));
1733 else
1734 {
1735 ret = !GlobalDOSFree(ES_reg(context));
1736 /* If we don't reset ES_reg, we will fail in the relay code */
1737 ES_reg(context)=ret;
1738 }
1739 if (!ret)
1740 {
1741 TRACE(int21,"FREE MEMORY failed\n");
1742 SET_CFLAG(context);
1743 AX_reg(context) = 0x0009; /* memory block address invalid */
1744 }
1745 }
1746 break;
1747
1748 case 0x4a: /* RESIZE MEMORY BLOCK */
1749 TRACE(int21,"RESIZE MEMORY segment %04lX to %d paragraphs\n", ES_reg(context), BX_reg(context));
1750 if (!ISV86(context))
1751 FIXME(int21,"RESIZE MEMORY probably insufficent implementation. Expect crash soon\n");
1752 {
1753 LPVOID *mem = DOSMEM_ResizeBlock(0,DOSMEM_MapDosToLinear(ES_reg(context)<<4),
1754 BX_reg(context)<<4,NULL);
1755 if (mem)
1756 AX_reg(context) = DOSMEM_MapLinearToDos(mem)>>4;
1757 else {
1758 SET_CFLAG(context);
1759 AX_reg(context) = 0x0008; /* insufficient memory */
1760 BX_reg(context) = DOSMEM_Available(0)>>4; /* not quite right */
1761 }
1762 }
1763 break;
1764
1765 case 0x4b: /* "EXEC" - LOAD AND/OR EXECUTE PROGRAM */
1766 TRACE(int21,"EXEC %s\n",
1767 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context),EDX_reg(context) ));
1768 AX_reg(context) = WinExec16( CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
1769 EDX_reg(context) ),
1770 SW_NORMAL );
1771 if (AX_reg(context) < 32) SET_CFLAG(context);
1772 break;
1773
1774 case 0x4c: /* "EXIT" - TERMINATE WITH RETURN CODE */
1775 TRACE(int21,"EXIT with return code %d\n",AL_reg(context));
1776 ExitProcess( AL_reg(context) );
1777 break;
1778
1779 case 0x4d: /* GET RETURN CODE */
1780 TRACE(int21,"GET RETURN CODE (ERRORLEVEL)\n");
1781 AX_reg(context) = 0; /* normal exit */
1782 break;
1783
1784 case 0x4e: /* "FINDFIRST" - FIND FIRST MATCHING FILE */
1785 TRACE(int21,"FINDFIRST mask 0x%04x spec %s\n",CX_reg(context),
1786 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context)));
1787 if (!INT21_FindFirst(context)) break;
1788 /* fall through */
1789
1790 case 0x4f: /* "FINDNEXT" - FIND NEXT MATCHING FILE */
1791 TRACE(int21,"FINDNEXT\n");
1792 if (!INT21_FindNext(context))
1793 {
1794 DOS_ERROR( ER_NoMoreFiles, EC_MediaError, SA_Abort, EL_Disk );
1795 AX_reg(context) = ER_NoMoreFiles;
1796 SET_CFLAG(context);
1797 }
1798 else AX_reg(context) = 0; /* OK */
1799 break;
1800 case 0x50: /* SET CURRENT PROCESS ID (SET PSP ADDRESS) */
1801 TRACE(int21, "SET CURRENT PROCESS ID (SET PSP ADDRESS)\n");
1802 INT21_SetCurrentPSP(BX_reg(context));
1803 break;
1804 case 0x51: /* GET PSP ADDRESS */
1805 TRACE(int21,"GET CURRENT PROCESS ID (GET PSP ADDRESS)\n");
1806 /* FIXME: should we return the original DOS PSP upon */
1807 /* Windows startup ? */
1808 BX_reg(context) = INT21_GetCurrentPSP();
1809 break;
1810 case 0x62: /* GET PSP ADDRESS */
1811 TRACE(int21,"GET CURRENT PSP ADDRESS\n");
1812 /* FIXME: should we return the original DOS PSP upon */
1813 /* Windows startup ? */
1814 BX_reg(context) = INT21_GetCurrentPSP();
1815 break;
1816
1817 case 0x52: /* "SYSVARS" - GET LIST OF LISTS */
1818 TRACE(int21,"SYSVARS - GET LIST OF LISTS\n");
1819 {
1820 SEGPTR lol;
1821 lol = INT21_GetListOfLists();
1822 ES_reg(context) = HIWORD(lol);
1823 BX_reg(context) = LOWORD(lol);
1824 }
1825 break;
1826
1827 case 0x56: /* "RENAME" - RENAME FILE */
1828 TRACE(int21,"RENAME %s to %s\n",
1829 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context),EDX_reg(context)),
1830 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, ES_reg(context),EDI_reg(context)));
1831 bSetDOSExtendedError =
1832 (!MoveFile32A( CTX_SEG_OFF_TO_LIN(context, DS_reg(context),EDX_reg(context)),
1833 CTX_SEG_OFF_TO_LIN(context, ES_reg(context),EDI_reg(context))));
1834 break;
1835
1836 case 0x57: /* FILE DATE AND TIME */
1837 switch (AL_reg(context))
1838 {
1839 case 0x00: /* Get */
1840 {
1841 FILETIME filetime;
1842 TRACE(int21,"GET FILE DATE AND TIME for handle %d\n",
1843 BX_reg(context));
1844 if (!GetFileTime( FILE_GetHandle32(BX_reg(context)), NULL, NULL, &filetime ))
1845 bSetDOSExtendedError = TRUE;
1846 else FileTimeToDosDateTime( &filetime, &DX_reg(context),
1847 &CX_reg(context) );
1848 }
1849 break;
1850
1851 case 0x01: /* Set */
1852 {
1853 FILETIME filetime;
1854 TRACE(int21,"SET FILE DATE AND TIME for handle %d\n",
1855 BX_reg(context));
1856 DosDateTimeToFileTime( DX_reg(context), CX_reg(context),
1857 &filetime );
1858 bSetDOSExtendedError =
1859 (!SetFileTime( FILE_GetHandle32(BX_reg(context)),
1860 NULL, NULL, &filetime ));
1861 }
1862 break;
1863 }
1864 break;
1865
1866 case 0x58: /* GET OR SET MEMORY/UMB ALLOCATION STRATEGY */
1867 TRACE(int21,"GET OR SET MEMORY/UMB ALLOCATION STRATEGY subfunction %d\n",
1868 AL_reg(context));
1869 switch (AL_reg(context))
1870 {
1871 case 0x00:
1872 AX_reg(context) = 1;
1873 break;
1874 case 0x02:
1875 AX_reg(context) = 0;
1876 break;
1877 case 0x01:
1878 case 0x03:
1879 break;
1880 }
1881 RESET_CFLAG(context);
1882 break;
1883
1884 case 0x5a: /* CREATE TEMPORARY FILE */
1885 TRACE(int21,"CREATE TEMPORARY FILE\n");
1886 bSetDOSExtendedError = !INT21_CreateTempFile(context);
1887 break;
1888
1889 case 0x5b: /* CREATE NEW FILE */
1890 TRACE(int21,"CREATE NEW FILE 0x%02x for %s\n", CX_reg(context),
1891 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context)));
1892 bSetDOSExtendedError = ((AX_reg(context) =
1893 _lcreat16_uniq( CTX_SEG_OFF_TO_LIN(context, DS_reg(context),EDX_reg(context)), 0 ))
1894 == (WORD)HFILE_ERROR16);
1895 break;
1896
1897 case 0x5d: /* NETWORK */
1898 FIXME(int21,"Function 0x%04x not implemented.\n", AX_reg (context));
1899 /* Fix the following while you're at it. */
1900 DOS_ERROR( ER_NoNetwork, EC_NotFound, SA_Abort, EL_Network );
1901 bSetDOSExtendedError = TRUE;
1902 break;
1903
1904 case 0x5e:
1905 bSetDOSExtendedError = INT21_networkfunc (context);
1906 break;
1907
1908 case 0x5f: /* NETWORK */
1909 switch (AL_reg(context))
1910 {
1911 case 0x07: /* ENABLE DRIVE */
1912 TRACE(int21,"ENABLE DRIVE %c:\n",(DL_reg(context)+'A'));
1913 if (!DRIVE_Enable( DL_reg(context) ))
1914 {
1915 DOS_ERROR( ER_InvalidDrive, EC_MediaError, SA_Abort, EL_Disk );
1916 bSetDOSExtendedError = TRUE;
1917 }
1918 break;
1919
1920 case 0x08: /* DISABLE DRIVE */
1921 TRACE(int21,"DISABLE DRIVE %c:\n",(DL_reg(context)+'A'));
1922 if (!DRIVE_Disable( DL_reg(context) ))
1923 {
1924 DOS_ERROR( ER_InvalidDrive, EC_MediaError, SA_Abort, EL_Disk );
1925 bSetDOSExtendedError = TRUE;
1926 }
1927 break;
1928
1929 default:
1930 /* network software not installed */
1931 TRACE(int21,"NETWORK function AX=%04x not implemented\n",AX_reg(context));
1932 DOS_ERROR( ER_NoNetwork, EC_NotFound, SA_Abort, EL_Network );
1933 bSetDOSExtendedError = TRUE;
1934 break;
1935 }
1936 break;
1937
1938 case 0x60: /* "TRUENAME" - CANONICALIZE FILENAME OR PATH */
1939 TRACE(int21,"TRUENAME %s\n",
1940 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context),ESI_reg(context)));
1941 {
1942 if (!GetFullPathName32A( CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
1943 ESI_reg(context)), 128,
1944 CTX_SEG_OFF_TO_LIN(context, ES_reg(context),
1945 EDI_reg(context)),NULL))
1946 bSetDOSExtendedError = TRUE;
1947 else AX_reg(context) = 0;
1948 }
1949 break;
1950
1951 case 0x61: /* UNUSED */
1952 case 0x63: /* misc. language support */
1953 switch (AL_reg(context)) {
1954 case 0x00: /* GET DOUBLE BYTE CHARACTER SET LEAD-BYTE TABLE */
1955 INT21_GetDBCSLeadTable(context);
1956 break;
1957 }
1958 break;
1959 case 0x64: /* OS/2 DOS BOX */
1960 INT_BARF( context, 0x21 );
1961 SET_CFLAG(context);
1962 break;
1963
1964 case 0x65:{/* GET EXTENDED COUNTRY INFORMATION */
1965 extern WORD WINE_LanguageId;
1966 BYTE *dataptr=CTX_SEG_OFF_TO_LIN(context, ES_reg(context),EDI_reg(context));
1967 TRACE(int21,"GET EXTENDED COUNTRY INFORMATION code page %d country %d\n",
1968 BX_reg(context), DX_reg(context));
1969 switch (AL_reg(context)) {
1970 case 0x01:
1971 TRACE(int21,"\tget general internationalization info\n");
1972 dataptr[0] = 0x1;
1973 *(WORD*)(dataptr+1) = 41;
1974 *(WORD*)(dataptr+3) = WINE_LanguageId;
1975 *(WORD*)(dataptr+5) = CodePage;
1976 *(DWORD*)(dataptr+0x19) = 0; /* FIXME: ptr to case map routine */
1977 break;
1978 case 0x06:
1979 TRACE(int21,"\tget pointer to collating sequence table\n");
1980 dataptr[0] = 0x06;
1981 *(DWORD*)(dataptr+1) = MAKELONG(DOSMEM_CollateTable & 0xFFFF,DOSMEM_AllocSelector(DOSMEM_CollateTable>>16));
1982 CX_reg(context) = 258;/*FIXME: size of table?*/
1983 break;
1984 default:
1985 TRACE(int21,"\tunimplemented function %d\n",AL_reg(context));
1986 INT_BARF( context, 0x21 );
1987 SET_CFLAG(context);
1988 break;
1989 }
1990 break;
1991 }
1992 case 0x66: /* GLOBAL CODE PAGE TABLE */
1993 switch (AL_reg(context))
1994 {
1995 case 0x01:
1996 TRACE(int21,"GET GLOBAL CODE PAGE TABLE\n");
1997 DX_reg(context) = BX_reg(context) = CodePage;
1998 RESET_CFLAG(context);
1999 break;
2000 case 0x02:
2001 TRACE(int21,"SET GLOBAL CODE PAGE TABLE active page %d system page %d\n",
2002 BX_reg(context),DX_reg(context));
2003 CodePage = BX_reg(context);
2004 RESET_CFLAG(context);
2005 break;
2006 }
2007 break;
2008
2009 case 0x67: /* SET HANDLE COUNT */
2010 TRACE(int21,"SET HANDLE COUNT to %d\n",BX_reg(context) );
2011 SetHandleCount16( BX_reg(context) );
2012 if (DOS_ExtendedError) bSetDOSExtendedError = TRUE;
2013 break;
2014
2015 case 0x68: /* "FFLUSH" - COMMIT FILE */
2016 case 0x6a: /* COMMIT FILE */
2017 TRACE(int21,"FFLUSH/COMMIT handle %d\n",BX_reg(context));
2018 bSetDOSExtendedError = (!FlushFileBuffers( FILE_GetHandle32(BX_reg(context)) ));
2019 break;
2020
2021 case 0x69: /* DISK SERIAL NUMBER */
2022 switch (AL_reg(context))
2023 {
2024 case 0x00:
2025 TRACE(int21,"GET DISK SERIAL NUMBER for drive %s\n",
2026 INT21_DriveName(BL_reg(context)));
2027 if (!INT21_GetDiskSerialNumber(context)) bSetDOSExtendedError = TRUE;
2028 else AX_reg(context) = 0;
2029 break;
2030
2031 case 0x01:
2032 TRACE(int21,"SET DISK SERIAL NUMBER for drive %s\n",
2033 INT21_DriveName(BL_reg(context)));
2034 if (!INT21_SetDiskSerialNumber(context)) bSetDOSExtendedError = TRUE;
2035 else AX_reg(context) = 1;
2036 break;
2037 }
2038 break;
2039
2040 case 0x6C: /* Extended Open/Create*/
2041 TRACE(int21,"EXTENDED OPEN/CREATE %s\n",
2042 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDI_reg(context)));
2043 bSetDOSExtendedError = INT21_ExtendedOpenCreateFile(context);
2044 break;
2045
2046 case 0x71: /* MS-DOS 7 (Windows95) - LONG FILENAME FUNCTIONS */
2047 if ((GetVersion32()&0xC0000004)!=0xC0000004) {
2048 /* not supported on anything but Win95 */
2049 TRACE(int21,"LONG FILENAME functions supported only by win95\n");
2050 SET_CFLAG(context);
2051 AL_reg(context) = 0;
2052 } else
2053 switch(AL_reg(context))
2054 {
2055 case 0x39: /* Create directory */
2056 TRACE(int21,"LONG FILENAME - MAKE DIRECTORY %s\n",
2057 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context),EDX_reg(context)));
2058 bSetDOSExtendedError = (!CreateDirectory32A(
2059 CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
2060 EDX_reg(context) ), NULL));
2061 break;
2062 case 0x3a: /* Remove directory */
2063 TRACE(int21,"LONG FILENAME - REMOVE DIRECTORY %s\n",
2064 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context),EDX_reg(context)));
2065 bSetDOSExtendedError = (!RemoveDirectory32A(
2066 CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
2067 EDX_reg(context) )));
2068 break;
2069 case 0x43: /* Get/Set file attributes */
2070 TRACE(int21,"LONG FILENAME -EXTENDED GET/SET FILE ATTRIBUTES %s\n",
2071 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context),EDX_reg(context)));
2072 switch (BL_reg(context))
2073 {
2074 case 0x00: /* Get file attributes */
2075 TRACE(int21,"\tretrieve attributes\n");
2076 CX_reg(context) = (WORD)GetFileAttributes32A(
2077 CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
2078 EDX_reg(context)));
2079 if (CX_reg(context) == 0xffff) bSetDOSExtendedError = TRUE;
2080 break;
2081 case 0x01:
2082 TRACE(int21,"\tset attributes 0x%04x\n",CX_reg(context));
2083 bSetDOSExtendedError = (!SetFileAttributes32A(
2084 CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
2085 EDX_reg(context)),
2086 CX_reg(context) ) );
2087 break;
2088 default:
2089 FIXME(int21, "Unimplemented long file name function:\n");
2090 INT_BARF( context, 0x21 );
2091 SET_CFLAG(context);
2092 AL_reg(context) = 0;
2093 break;
2094 }
2095 break;
2096 case 0x47: /* Get current directory */
2097 TRACE(int21," LONG FILENAME - GET CURRENT DIRECTORY for drive %s\n",
2098 INT21_DriveName(DL_reg(context)));
2099 bSetDOSExtendedError = !INT21_GetCurrentDirectory(context);
2100 break;
2101
2102 case 0x4e: /* Find first file */
2103 TRACE(int21," LONG FILENAME - FIND FIRST MATCHING FILE for %s\n",
2104 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context),EDX_reg(context)));
2105 /* FIXME: use attributes in CX */
2106 if ((AX_reg(context) = FindFirstFile16(
2107 CTX_SEG_OFF_TO_LIN(context, DS_reg(context),EDX_reg(context)),
2108 (WIN32_FIND_DATA32A *)CTX_SEG_OFF_TO_LIN(context, ES_reg(context),
2109 EDI_reg(context))))
2110 == INVALID_HANDLE_VALUE16)
2111 bSetDOSExtendedError = TRUE;
2112 break;
2113 case 0x4f: /* Find next file */
2114 TRACE(int21,"LONG FILENAME - FIND NEXT MATCHING FILE for handle %d\n",
2115 BX_reg(context));
2116 if (!FindNextFile16( BX_reg(context),
2117 (WIN32_FIND_DATA32A *)CTX_SEG_OFF_TO_LIN(context, ES_reg(context),
2118 EDI_reg(context))))
2119 bSetDOSExtendedError = TRUE;
2120 break;
2121 case 0xa1: /* Find close */
2122 TRACE(int21,"LONG FILENAME - FINDCLOSE for handle %d\n",
2123 BX_reg(context));
2124 bSetDOSExtendedError = (!FindClose16( BX_reg(context) ));
2125 break;
2126 case 0xa0:
2127 TRACE(int21,"LONG FILENAME - GET VOLUME INFORMATION for drive %s stub\n",
2128 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context),EDX_reg(context)));
2129 break;
2130 case 0x60:
2131 switch(CL_reg(context))
2132 {
2133 case 0x01: /*Get short filename or path */
2134 if (!GetShortPathName32A
2135 ( CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
2136 ESI_reg(context)),
2137 CTX_SEG_OFF_TO_LIN(context, ES_reg(context),
2138 EDI_reg(context)), 67))
2139 bSetDOSExtendedError = TRUE;
2140 else AX_reg(context) = 0;
2141 break;
2142 case 0x02: /*Get canonical long filename or path */
2143 if (!GetFullPathName32A
2144 ( CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
2145 ESI_reg(context)), 128,
2146 CTX_SEG_OFF_TO_LIN(context, ES_reg(context),
2147 EDI_reg(context)),NULL))
2148 bSetDOSExtendedError = TRUE;
2149 else AX_reg(context) = 0;
2150 break;
2151 default:
2152 FIXME(int21, "Unimplemented long file name function:\n");
2153 INT_BARF( context, 0x21 );
2154 SET_CFLAG(context);
2155 AL_reg(context) = 0;
2156 break;
2157 }
2158 break;
2159 case 0x6c: /* Create or open file */
2160 TRACE(int21,"LONG FILENAME - CREATE OR OPEN FILE %s\n",
2161 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), ESI_reg(context)));
2162 /* translate Dos 7 action to Dos 6 action */
2163 bSetDOSExtendedError = INT21_ExtendedOpenCreateFile(context);
2164 break;
2165
2166 case 0x3b: /* Change directory */
2167 TRACE(int21,"LONG FILENAME - CHANGE DIRECTORY %s\n",
2168 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context)));
2169 if (!SetCurrentDirectory32A(CTX_SEG_OFF_TO_LIN(context,
2170 DS_reg(context),
2171 EDX_reg(context)
2172 ))
2173 ) {
2174 SET_CFLAG(context);
2175 AL_reg(context) = DOS_ExtendedError;
2176 }
2177 break;
2178 case 0x41: /* Delete file */
2179 TRACE(int21,"LONG FILENAME - DELETE FILE %s\n",
2180 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context)));
2181 if (!DeleteFile32A(CTX_SEG_OFF_TO_LIN(context,
2182 DS_reg(context),
2183 EDX_reg(context))
2184 )) {
2185 SET_CFLAG(context);
2186 AL_reg(context) = DOS_ExtendedError;
2187 }
2188 break;
2189 case 0x56: /* Move (rename) file */
2190 TRACE(int21,"LONG FILENAME - RENAME FILE %s to %s stub\n",
2191 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context)),
2192 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, ES_reg(context), EDI_reg(context)));
2193 default:
2194 FIXME(int21, "Unimplemented long file name function:\n");
2195 INT_BARF( context, 0x21 );
2196 SET_CFLAG(context);
2197 AL_reg(context) = 0;
2198 break;
2199 }
2200 break;
2201
2202 case 0x70: /* MS-DOS 7 (Windows95) - ??? (country-specific?)*/
2203 case 0x72: /* MS-DOS 7 (Windows95) - ??? */
2204 case 0x73: /* MS-DOS 7 (Windows95) - DRIVE LOCKING ??? */
2205 TRACE(int21,"windows95 function AX %04x\n",
2206 AX_reg(context));
2207 WARN(int21, " returning unimplemented\n");
2208 SET_CFLAG(context);
2209 AL_reg(context) = 0;
2210 break;
2211
2212 case 0xdc: /* CONNECTION SERVICES - GET CONNECTION NUMBER */
2213 case 0xea: /* NOVELL NETWARE - RETURN SHELL VERSION */
2214 break;
2215
2216 default:
2217 INT_BARF( context, 0x21 );
2218 break;
2219
2220 } /* END OF SWITCH */
2221
2222 if( bSetDOSExtendedError ) /* set general error condition */
2223 {
2224 AX_reg(context) = DOS_ExtendedError;
2225 SET_CFLAG(context);
2226 }
2227
2228 if ((EFL_reg(context) & 0x0001))
2229 TRACE(int21, "failed, errorcode 0x%02x class 0x%02x action 0x%02x locus %02x\n",
2230 DOS_ExtendedError, DOS_ErrorClass, DOS_ErrorAction, DOS_ErrorLocus);
2231
2232 TRACE(int21, "returning: AX=%04x BX=%04x CX=%04x DX=%04x "
2233 "SI=%04x DI=%04x DS=%04x ES=%04x EFL=%08lx\n",
2234 AX_reg(context), BX_reg(context), CX_reg(context),
2235 DX_reg(context), SI_reg(context), DI_reg(context),
2236 (WORD)DS_reg(context), (WORD)ES_reg(context),
2237 EFL_reg(context));
2238 }
2239
2240 FARPROC16 WINAPI GetSetKernelDOSProc(FARPROC16 DosProc)
2241 {
2242 FIXME(int21, "(DosProc=0x%08x): stub\n", (UINT32)DosProc);
2243 return NULL;
2244 }
2245
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