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LCMapString32A: Implemented flags NORM_IGNORENONSPACE and
[wine.git] / msdos / int21.c
blob9b422a501299b7696a6ab9025a04bdadafd4ab1b
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 "dosexe.h" /* for the MZ_SUPPORTED define */
29 #include "module.h"
30 #include "debug.h"
31 #include "console.h"
32 #if defined(__svr4__) || defined(_SCO_DS)
33 /* SVR4 DOESNT do locking the same way must implement properly */
34 #define LOCK_EX 0
35 #define LOCK_SH 1
36 #define LOCK_NB 8
37 #endif
38
39
40 #define DOS_GET_DRIVE(reg) ((reg) ? (reg) - 1 : DRIVE_GetCurrentDrive())
41
42 /* Define the drive parameter block, as used by int21/1F
43 * and int21/32. This table can be accessed through the
44 * global 'dpb' pointer, which points into the local dos
45 * heap.
46 */
47 struct DPB
48 {
49 BYTE drive_num; /* 0=A, etc. */
50 BYTE unit_num; /* Drive's unit number (?) */
51 WORD sector_size; /* Sector size in bytes */
52 BYTE high_sector; /* Highest sector in a cluster */
53 BYTE shift; /* Shift count (?) */
54 WORD reserved; /* Number of reserved sectors at start */
55 BYTE num_FAT; /* Number of FATs */
56 WORD dir_entries; /* Number of root dir entries */
57 WORD first_data; /* First data sector */
58 WORD high_cluster; /* Highest cluster number */
59 WORD sectors_in_FAT; /* Number of sectors per FAT */
60 WORD start_dir; /* Starting sector of first dir */
61 DWORD driver_head; /* Address of device driver header (?) */
62 BYTE media_ID; /* Media ID */
63 BYTE access_flag; /* Prev. accessed flag (0=yes,0xFF=no) */
64 DWORD next; /* Pointer to next DPB in list */
65 WORD free_search; /* Free cluster search start */
66 WORD free_clusters; /* Number of free clusters (0xFFFF=unknown) */
67 };
68
69 WORD CodePage = 437;
70 DWORD dpbsegptr;
71
72 struct DosHeap {
73 BYTE InDosFlag;
74 BYTE mediaID;
75 BYTE biosdate[8];
76 struct DPB dpb;
77 BYTE DummyDBCSLeadTable[6];
78 };
79 static struct DosHeap *heap;
80 static WORD DosHeapHandle;
81
82 WORD sharing_retries = 3; /* number of retries at sharing violation */
83 WORD sharing_pause = 1; /* pause between retries */
84
85 extern char TempDirectory[];
86
87 static BOOL32 INT21_CreateHeap(void)
88 {
89 if (!(DosHeapHandle = GlobalAlloc16(GMEM_FIXED,sizeof(struct DosHeap))))
90 {
91 WARN(int21, "Out of memory\n");
92 return FALSE;
93 }
94 heap = (struct DosHeap *) GlobalLock16(DosHeapHandle);
95 dpbsegptr = PTR_SEG_OFF_TO_SEGPTR(DosHeapHandle,(int)&heap->dpb-(int)heap);
96 heap->InDosFlag = 0;
97 strcpy(heap->biosdate, "01/01/80");
98 memset(heap->DummyDBCSLeadTable, 0, 6);
99 return TRUE;
100 }
101
102 static BYTE *GetCurrentDTA( CONTEXT *context )
103 {
104 TDB *pTask = (TDB *)GlobalLock16( GetCurrentTask() );
105
106 /* FIXME: This assumes DTA was set correctly! */
107 return (BYTE *)CTX_SEG_OFF_TO_LIN( context, SELECTOROF(pTask->dta),
108 (DWORD)OFFSETOF(pTask->dta) );
109 }
110
111
112 void CreateBPB(int drive, BYTE *data, BOOL16 limited)
113 /* limited == TRUE is used with INT 0x21/0x440d */
114 {
115 if (drive > 1) {
116 setword(data, 512);
117 data[2] = 2;
118 setword(&data[3], 0);
119 data[5] = 2;
120 setword(&data[6], 240);
121 setword(&data[8], 64000);
122 data[0x0a] = 0xf8;
123 setword(&data[0x0b], 40);
124 setword(&data[0x0d], 56);
125 setword(&data[0x0f], 2);
126 setword(&data[0x11], 0);
127 if (!limited) {
128 setword(&data[0x1f], 800);
129 data[0x21] = 5;
130 setword(&data[0x22], 1);
131 }
132 } else { /* 1.44mb */
133 setword(data, 512);
134 data[2] = 2;
135 setword(&data[3], 0);
136 data[5] = 2;
137 setword(&data[6], 240);
138 setword(&data[8], 2880);
139 data[0x0a] = 0xf8;
140 setword(&data[0x0b], 6);
141 setword(&data[0x0d], 18);
142 setword(&data[0x0f], 2);
143 setword(&data[0x11], 0);
144 if (!limited) {
145 setword(&data[0x1f], 80);
146 data[0x21] = 7;
147 setword(&data[0x22], 2);
148 }
149 }
150 }
151
152 static int INT21_GetFreeDiskSpace( CONTEXT *context )
153 {
154 DWORD cluster_sectors, sector_bytes, free_clusters, total_clusters;
155 char root[] = "A:\\";
156
157 *root += DOS_GET_DRIVE( DL_reg(context) );
158 if (!GetDiskFreeSpace32A( root, &cluster_sectors, &sector_bytes,
159 &free_clusters, &total_clusters )) return 0;
160 AX_reg(context) = cluster_sectors;
161 BX_reg(context) = free_clusters;
162 CX_reg(context) = sector_bytes;
163 DX_reg(context) = total_clusters;
164 return 1;
165 }
166
167 static int INT21_GetDriveAllocInfo( CONTEXT *context )
168 {
169 if (!INT21_GetFreeDiskSpace( context )) return 0;
170 if (!heap && !INT21_CreateHeap()) return 0;
171 heap->mediaID = 0xf0;
172 DS_reg(context) = DosHeapHandle;
173 BX_reg(context) = (int)&heap->mediaID - (int)heap;
174 return 1;
175 }
176
177 static void GetDrivePB( CONTEXT *context, int drive )
178 {
179 if(!DRIVE_IsValid(drive))
180 {
181 DOS_ERROR( ER_InvalidDrive, EC_MediaError, SA_Abort, EL_Disk );
182 AX_reg(context) = 0x00ff;
183 }
184 else if (heap || INT21_CreateHeap())
185 {
186 FIXME(int21, "GetDrivePB not fully implemented.\n");
187
188 /* FIXME: I have no idea what a lot of this information should
189 * say or whether it even really matters since we're not allowing
190 * direct block access. However, some programs seem to depend on
191 * getting at least _something_ back from here. The 'next' pointer
192 * does worry me, though. Should we have a complete table of
193 * separate DPBs per drive? Probably, but I'm lazy. :-) -CH
194 */
195 heap->dpb.drive_num = heap->dpb.unit_num = drive; /*The same?*/
196 heap->dpb.sector_size = 512;
197 heap->dpb.high_sector = 1;
198 heap->dpb.shift = drive < 2 ? 0 : 6; /*6 for HD, 0 for floppy*/
199 heap->dpb.reserved = 0;
200 heap->dpb.num_FAT = 1;
201 heap->dpb.dir_entries = 2;
202 heap->dpb.first_data = 2;
203 heap->dpb.high_cluster = 64000;
204 heap->dpb.sectors_in_FAT = 1;
205 heap->dpb.start_dir = 1;
206 heap->dpb.driver_head = 0;
207 heap->dpb.media_ID = (drive > 1) ? 0xF8 : 0xF0;
208 heap->dpb.access_flag = 0;
209 heap->dpb.next = 0;
210 heap->dpb.free_search = 0;
211 heap->dpb.free_clusters = 0xFFFF; /* unknown */
212
213 AL_reg(context) = 0x00;
214 DS_reg(context) = SELECTOROF(dpbsegptr);
215 BX_reg(context) = OFFSETOF(dpbsegptr);
216 }
217 }
218
219
220 static void ioctlGetDeviceInfo( CONTEXT *context )
221 {
222 int curr_drive;
223 const DOS_DEVICE *dev;
224
225 TRACE(int21, "(%d)\n", BX_reg(context));
226
227 RESET_CFLAG(context);
228
229 /* DOS device ? */
230 if ((dev = DOSFS_GetDeviceByHandle( FILE_GetHandle32(BX_reg(context)) )))
231 {
232 DX_reg(context) = dev->flags;
233 return;
234 }
235
236 /* it seems to be a file */
237 curr_drive = DRIVE_GetCurrentDrive();
238 DX_reg(context) = 0x0140 + curr_drive + ((curr_drive > 1) ? 0x0800 : 0);
239 /* no floppy */
240 /* bits 0-5 are current drive
241 * bit 6 - file has NOT been written..FIXME: correct?
242 * bit 8 - generate int24 if no diskspace on write/ read past end of file
243 * bit 11 - media not removable
244 * bit 14 - don't set file date/time on closing
245 * bit 15 - file is remote
246 */
247 }
248
249 static BOOL32 ioctlGenericBlkDevReq( CONTEXT *context )
250 {
251 BYTE *dataptr = CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context));
252 int drive = DOS_GET_DRIVE( BL_reg(context) );
253
254 if (!DRIVE_IsValid(drive))
255 {
256 DOS_ERROR( ER_FileNotFound, EC_NotFound, SA_Abort, EL_Disk );
257 return TRUE;
258 }
259
260 if (CH_reg(context) != 0x08)
261 {
262 INT_BARF( context, 0x21 );
263 return FALSE;
264 }
265
266 switch (CL_reg(context))
267 {
268 case 0x4a: /* lock logical volume */
269 TRACE(int21,"lock logical volume (%d) level %d mode %d\n",drive,BH_reg(context),DX_reg(context));
270 break;
271
272 case 0x60: /* get device parameters */
273 /* used by w4wgrp's winfile */
274 memset(dataptr, 0, 0x20); /* DOS 6.22 uses 0x20 bytes */
275 dataptr[0] = 0x04;
276 dataptr[6] = 0; /* media type */
277 if (drive > 1)
278 {
279 dataptr[1] = 0x05; /* fixed disk */
280 setword(&dataptr[2], 0x01); /* non removable */
281 setword(&dataptr[4], 0x300); /* # of cylinders */
282 }
283 else
284 {
285 dataptr[1] = 0x07; /* block dev, floppy */
286 setword(&dataptr[2], 0x02); /* removable */
287 setword(&dataptr[4], 80); /* # of cylinders */
288 }
289 CreateBPB(drive, &dataptr[7], TRUE);
290 RESET_CFLAG(context);
291 break;
292
293 case 0x41: /* write logical device track */
294 case 0x61: /* read logical device track */
295 {
296 BYTE drive = BL_reg(context) ?
297 BL_reg(context) : DRIVE_GetCurrentDrive();
298 WORD head = *(WORD *)dataptr+1;
299 WORD cyl = *(WORD *)dataptr+3;
300 WORD sect = *(WORD *)dataptr+5;
301 WORD nrsect = *(WORD *)dataptr+7;
302 BYTE *data = (BYTE *)dataptr+9;
303 int (*raw_func)(BYTE, DWORD, DWORD, BYTE *, BOOL32);
304
305 raw_func = (CL_reg(context) == 0x41) ?
306 DRIVE_RawWrite : DRIVE_RawRead;
307
308 if (raw_func(drive, head*cyl*sect, nrsect, data, FALSE))
309 RESET_CFLAG(context);
310 else
311 {
312 AX_reg(context) = 0x1e; /* read fault */
313 SET_CFLAG(context);
314 }
315 }
316 break;
317 case 0x66:/* get disk serial number */
318 {
319 char label[12],fsname[9],path[4];
320 DWORD serial;
321
322 strcpy(path,"x:\\");path[0]=drive+'A';
323 GetVolumeInformation32A(
324 path,label,12,&serial,NULL,NULL,fsname,9
325 );
326 *(WORD*)dataptr = 0;
327 memcpy(dataptr+2,&serial,4);
328 memcpy(dataptr+6,label ,11);
329 memcpy(dataptr+17,fsname,8);
330 }
331 break;
332
333 case 0x6a:
334 TRACE(int21,"logical volume %d unlocked.\n",drive);
335 break;
336
337 case 0x6f:
338 memset(dataptr+1, '\0', dataptr[0]-1);
339 dataptr[1] = dataptr[0];
340 dataptr[2] = 0x07; /* protected mode driver; no eject; no notification */
341 dataptr[3] = 0xFF; /* no physical drive */
342 break;
343
344 default:
345 INT_BARF( context, 0x21 );
346 }
347 return FALSE;
348 }
349
350 static void INT21_ParseFileNameIntoFCB( CONTEXT *context )
351 {
352 char *filename =
353 CTX_SEG_OFF_TO_LIN(context, DS_reg(context), ESI_reg(context) );
354 char *fcb =
355 CTX_SEG_OFF_TO_LIN(context, ES_reg(context), EDI_reg(context) );
356 char *buffer, *s, *d;
357
358 AL_reg(context) = 0xff; /* failed */
359
360 TRACE(int21, "filename: '%s'\n", filename);
361
362 buffer = HeapAlloc( GetProcessHeap(), 0, strlen(filename) + 1);
363
364 s = filename;
365 d = buffer;
366 while (*s)
367 {
368 if ((*s != ' ') && (*s != '\r') && (*s != '\n'))
369 *d++ = *s++;
370 else
371 break;
372 }
373
374 *d = '\0';
375 DOSFS_ToDosFCBFormat(buffer, fcb + 1);
376 *fcb = 0;
377 TRACE(int21, "FCB: '%s'\n", ((CHAR *)fcb + 1));
378
379 HeapFree( GetProcessHeap(), 0, buffer);
380
381 AL_reg(context) =
382 ((strchr(filename, '*')) || (strchr(filename, '$'))) != 0;
383
384 /* point DS:SI to first unparsed character */
385 SI_reg(context) += (int)s - (int)filename;
386 }
387
388 static void INT21_GetSystemDate( CONTEXT *context )
389 {
390 SYSTEMTIME systime;
391 GetLocalTime( &systime );
392 CX_reg(context) = systime.wYear;
393 DX_reg(context) = (systime.wMonth << 8) | systime.wDay;
394 AX_reg(context) = systime.wDayOfWeek;
395 }
396
397 static void INT21_GetSystemTime( CONTEXT *context )
398 {
399 SYSTEMTIME systime;
400 GetLocalTime( &systime );
401 CX_reg(context) = (systime.wHour << 8) | systime.wMinute;
402 DX_reg(context) = (systime.wSecond << 8) | (systime.wMilliseconds / 10);
403 }
404
405 /* Many calls translate a drive argument like this:
406 drive number (00h = default, 01h = A:, etc)
407 */
408 static char drivestring[]="default";
409
410 char *INT21_DriveName(int drive)
411 {
412
413 if(drive >0)
414 {
415 drivestring[0]= (unsigned char)drive + '@';
416 drivestring[1]=':';
417 drivestring[2]=0;
418 }
419 return drivestring;
420 }
421 static BOOL32 INT21_CreateFile( CONTEXT *context )
422 {
423 AX_reg(context) = _lcreat16( CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
424 EDX_reg(context) ), CX_reg(context) );
425 return (AX_reg(context) == (WORD)HFILE_ERROR16);
426 }
427
428
429 static void OpenExistingFile( CONTEXT *context )
430 {
431 AX_reg(context) = _lopen16( CTX_SEG_OFF_TO_LIN(context, DS_reg(context),EDX_reg(context)),
432 AL_reg(context) );
433 if (AX_reg(context) == (WORD)HFILE_ERROR16)
434 {
435 AX_reg(context) = DOS_ExtendedError;
436 SET_CFLAG(context);
437 }
438 #if 0
439 {
440 int handle;
441 int mode;
442 int lock;
443
444 switch (AX_reg(context) & 0x0070)
445 {
446 case 0x00: /* compatability mode */
447 case 0x40: /* DENYNONE */
448 lock = -1;
449 break;
450
451 case 0x30: /* DENYREAD */
452 TRACE(int21, "(%s): DENYREAD changed to DENYALL\n",
453 (char *)CTX_SEG_OFF_TO_LIN(context, DS_reg(context),EDX_reg(context)));
454 case 0x10: /* DENYALL */
455 lock = LOCK_EX;
456 break;
457
458 case 0x20: /* DENYWRITE */
459 lock = LOCK_SH;
460 break;
461
462 default:
463 lock = -1;
464 }
465
466 if (lock != -1)
467 {
468
469 int result,retries=sharing_retries;
470 {
471 #if defined(__svr4__) || defined(_SCO_DS)
472 ERR(int21, "Should call flock and needs porting to lockf\n");
473 result = 0;
474 retries = 0;
475 #else
476 result = flock(handle, lock | LOCK_NB);
477 #endif
478 if ( retries && (!result) )
479 {
480 int i;
481 for(i=0;i<32768*((int)sharing_pause);i++)
482 result++; /* stop the optimizer */
483 for(i=0;i<32768*((int)sharing_pause);i++)
484 result--;
485 }
486 }
487 while( (!result) && (!(retries--)) );
488
489 if(result)
490 {
491 errno_to_doserr();
492 AX_reg(context) = DOS_ExtendedError;
493 close(handle);
494 SET_CFLAG(context);
495 return;
496 }
497
498 }
499
500 Error (0,0,0);
501 AX_reg(context) = handle;
502 RESET_CFLAG(context);
503 }
504 #endif
505 }
506
507 static void CloseFile( CONTEXT *context )
508 {
509 if ((AX_reg(context) = _lclose16( BX_reg(context) )) != 0)
510 {
511 AX_reg(context) = DOS_ExtendedError;
512 SET_CFLAG(context);
513 }
514 }
515
516 static BOOL32 INT21_ExtendedOpenCreateFile(CONTEXT *context )
517 {
518 BOOL32 bExtendedError = FALSE;
519 BYTE action = DL_reg(context);
520
521 /* Shuffle arguments to call OpenExistingFile */
522 AL_reg(context) = BL_reg(context);
523 DX_reg(context) = SI_reg(context);
524 /* BX,CX and DX should be preserved */
525 OpenExistingFile(context);
526
527 if ((EFL_reg(context) & 0x0001) == 0) /* File exists */
528 {
529 UINT16 uReturnCX = 0;
530
531 /* Now decide what do do */
532
533 if ((action & 0x07) == 0)
534 {
535 BX_reg(context) = AX_reg(context);
536 CloseFile(context);
537 AX_reg(context) = 0x0050; /*File exists*/
538 SET_CFLAG(context);
539 WARN(int21, "extended open/create: failed because file exists \n");
540 }
541 else if ((action & 0x07) == 2)
542 {
543 /* Truncate it, but first check if opened for write */
544 if ((BL_reg(context) & 0x0007)== 0)
545 {
546 BX_reg(context) = AX_reg(context);
547 CloseFile(context);
548 WARN(int21, "extended open/create: failed, trunc on ro file\n");
549 AX_reg(context) = 0x000C; /*Access code invalid*/
550 SET_CFLAG(context);
551 }
552 else
553 {
554 /* Shuffle arguments to call CloseFile while
555 * preserving BX and DX */
556
557 TRACE(int21, "extended open/create: Closing before truncate\n");
558 BX_reg(context) = AX_reg(context);
559 CloseFile(context);
560 if (EFL_reg(context) & 0x0001)
561 {
562 WARN(int21, "extended open/create: close before trunc failed\n");
563 AX_reg(context) = 0x0019; /*Seek Error*/
564 CX_reg(context) = 0;
565 SET_CFLAG(context);
566 }
567 /* Shuffle arguments to call CreateFile */
568
569 TRACE(int21, "extended open/create: Truncating\n");
570 AL_reg(context) = BL_reg(context);
571 /* CX is still the same */
572 DX_reg(context) = SI_reg(context);
573 bExtendedError = INT21_CreateFile(context);
574
575 if (EFL_reg(context) & 0x0001) /*no file open, flags set */
576 {
577 WARN(int21, "extended open/create: trunc failed\n");
578 return bExtendedError;
579 }
580 uReturnCX = 0x3;
581 }
582 }
583 else uReturnCX = 0x1;
584
585 CX_reg(context) = uReturnCX;
586 }
587 else /* file does not exist */
588 {
589 RESET_CFLAG(context); /* was set by OpenExistingFile(context) */
590 if ((action & 0xF0)== 0)
591 {
592 CX_reg(context) = 0;
593 SET_CFLAG(context);
594 WARN(int21, "extended open/create: failed, file dosen't exist\n");
595 }
596 else
597 {
598 /* Shuffle arguments to call CreateFile */
599 TRACE(int21, "extended open/create: Creating\n");
600 AL_reg(context) = BL_reg(context);
601 /* CX should still be the same */
602 DX_reg(context) = SI_reg(context);
603 bExtendedError = INT21_CreateFile(context);
604 if (EFL_reg(context) & 0x0001) /*no file open, flags set */
605 {
606 WARN(int21, "extended open/create: create failed\n");
607 return bExtendedError;
608 }
609 CX_reg(context) = 2;
610 }
611 }
612
613 return bExtendedError;
614 }
615
616
617 static BOOL32 INT21_ChangeDir( CONTEXT *context )
618 {
619 int drive;
620 char *dirname = CTX_SEG_OFF_TO_LIN(context, DS_reg(context),EDX_reg(context));
621
622 TRACE(int21,"changedir %s\n", dirname);
623 if (dirname[0] && (dirname[1] == ':'))
624 {
625 drive = toupper(dirname[0]) - 'A';
626 dirname += 2;
627 }
628 else drive = DRIVE_GetCurrentDrive();
629 return DRIVE_Chdir( drive, dirname );
630 }
631
632
633 static int INT21_FindFirst( CONTEXT *context )
634 {
635 char *p;
636 const char *path;
637 DOS_FULL_NAME full_name;
638 FINDFILE_DTA *dta = (FINDFILE_DTA *)GetCurrentDTA(context);
639
640 path = (const char *)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context));
641 dta->unixPath = NULL;
642 if (!DOSFS_GetFullName( path, FALSE, &full_name ))
643 {
644 AX_reg(context) = DOS_ExtendedError;
645 SET_CFLAG(context);
646 return 0;
647 }
648 dta->unixPath = HEAP_strdupA( GetProcessHeap(), 0, full_name.long_name );
649 p = strrchr( dta->unixPath, '/' );
650 *p = '\0';
651
652 /* Note: terminating NULL in dta->mask overwrites dta->search_attr
653 * (doesn't matter as it is set below anyway)
654 */
655 if (!DOSFS_ToDosFCBFormat( p + 1, dta->mask ))
656 {
657 HeapFree( GetProcessHeap(), 0, dta->unixPath );
658 dta->unixPath = NULL;
659 DOS_ERROR( ER_FileNotFound, EC_NotFound, SA_Abort, EL_Disk );
660 AX_reg(context) = ER_FileNotFound;
661 SET_CFLAG(context);
662 return 0;
663 }
664 dta->drive = (path[0] && (path[1] == ':')) ? toupper(path[0]) - 'A'
665 : DRIVE_GetCurrentDrive();
666 dta->count = 0;
667 dta->search_attr = CL_reg(context);
668 return 1;
669 }
670
671
672 static int INT21_FindNext( CONTEXT *context )
673 {
674 FINDFILE_DTA *dta = (FINDFILE_DTA *)GetCurrentDTA(context);
675 WIN32_FIND_DATA32A entry;
676 int count;
677
678 if (!dta->unixPath) return 0;
679 if (!(count = DOSFS_FindNext( dta->unixPath, dta->mask, NULL, dta->drive,
680 dta->search_attr, dta->count, &entry )))
681 {
682 HeapFree( GetProcessHeap(), 0, dta->unixPath );
683 dta->unixPath = NULL;
684 return 0;
685 }
686 if ((int)dta->count + count > 0xffff)
687 {
688 WARN(int21, "Too many directory entries in %s\n", dta->unixPath );
689 HeapFree( GetProcessHeap(), 0, dta->unixPath );
690 dta->unixPath = NULL;
691 return 0;
692 }
693 dta->count += count;
694 dta->fileattr = entry.dwFileAttributes;
695 dta->filesize = entry.nFileSizeLow;
696 FileTimeToDosDateTime( &entry.ftLastWriteTime,
697 &dta->filedate, &dta->filetime );
698 strcpy( dta->filename, entry.cAlternateFileName );
699 if (!memchr(dta->mask,'?',11)) {
700 /* wildcardless search, release resources in case no findnext will
701 * be issued, and as a workaround in case file creation messes up
702 * findnext, as sometimes happens with pkunzip */
703 HeapFree( GetProcessHeap(), 0, dta->unixPath );
704 dta->unixPath = NULL;
705 }
706 return 1;
707 }
708
709
710 static BOOL32 INT21_CreateTempFile( CONTEXT *context )
711 {
712 static int counter = 0;
713 char *name = CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context) );
714 char *p = name + strlen(name);
715
716 /* despite what Ralf Brown says, some programs seem to call without
717 * ending backslash (DOS accepts that, so we accept it too) */
718 if ((p == name) || (p[-1] != '\\')) *p++ = '\\';
719
720 for (;;)
721 {
722 sprintf( p, "wine%04x.%03d", (int)getpid(), counter );
723 counter = (counter + 1) % 1000;
724
725 if ((AX_reg(context) = _lcreat16_uniq( name, 0 )) != (WORD)HFILE_ERROR16)
726 {
727 TRACE(int21, "created %s\n", name );
728 return TRUE;
729 }
730 if (DOS_ExtendedError != ER_FileExists) return FALSE;
731 }
732 }
733
734
735 static BOOL32 INT21_GetCurrentDirectory( CONTEXT *context )
736 {
737 int drive = DOS_GET_DRIVE( DL_reg(context) );
738 char *ptr = (char *)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), ESI_reg(context) );
739
740 if (!DRIVE_IsValid(drive))
741 {
742 DOS_ERROR( ER_InvalidDrive, EC_NotFound, SA_Abort, EL_Disk );
743 return FALSE;
744 }
745 lstrcpyn32A( ptr, DRIVE_GetDosCwd(drive), 64 );
746 AX_reg(context) = 0x0100; /* success return code */
747 return TRUE;
748 }
749
750
751 static void INT21_GetDBCSLeadTable( CONTEXT *context )
752 {
753 if (heap || INT21_CreateHeap())
754 { /* return an empty table just as DOS 4.0+ does */
755 DS_reg(context) = DosHeapHandle;
756 SI_reg(context) = (int)&heap->DummyDBCSLeadTable - (int)heap;
757 }
758 else
759 {
760 AX_reg(context) = 0x1; /* error */
761 SET_CFLAG(context);
762 }
763 }
764
765
766 static int INT21_GetDiskSerialNumber( CONTEXT *context )
767 {
768 BYTE *dataptr = CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context));
769 int drive = DOS_GET_DRIVE( BL_reg(context) );
770
771 if (!DRIVE_IsValid(drive))
772 {
773 DOS_ERROR( ER_InvalidDrive, EC_NotFound, SA_Abort, EL_Disk );
774 return 0;
775 }
776
777 *(WORD *)dataptr = 0;
778 *(DWORD *)(dataptr + 2) = DRIVE_GetSerialNumber( drive );
779 memcpy( dataptr + 6, DRIVE_GetLabel( drive ), 11 );
780 strncpy(dataptr + 0x11, "FAT16 ", 8);
781 return 1;
782 }
783
784
785 static int INT21_SetDiskSerialNumber( CONTEXT *context )
786 {
787 BYTE *dataptr = CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context));
788 int drive = DOS_GET_DRIVE( BL_reg(context) );
789
790 if (!DRIVE_IsValid(drive))
791 {
792 DOS_ERROR( ER_InvalidDrive, EC_NotFound, SA_Abort, EL_Disk );
793 return 0;
794 }
795
796 DRIVE_SetSerialNumber( drive, *(DWORD *)(dataptr + 2) );
797 return 1;
798 }
799
800
801 /* microsoft's programmers should be shot for using CP/M style int21
802 calls in Windows for Workgroup's winfile.exe */
803
804 static int INT21_FindFirstFCB( CONTEXT *context )
805 {
806 BYTE *fcb = (BYTE *)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context));
807 FINDFILE_FCB *pFCB;
808 LPCSTR root, cwd;
809 int drive;
810
811 if (*fcb == 0xff) pFCB = (FINDFILE_FCB *)(fcb + 7);
812 else pFCB = (FINDFILE_FCB *)fcb;
813 drive = DOS_GET_DRIVE( pFCB->drive );
814 if (!DRIVE_IsValid( drive )) return 0;
815 root = DRIVE_GetRoot( drive );
816 cwd = DRIVE_GetUnixCwd( drive );
817 pFCB->unixPath = HeapAlloc( GetProcessHeap(), 0,
818 strlen(root)+strlen(cwd)+2 );
819 if (!pFCB->unixPath) return 0;
820 strcpy( pFCB->unixPath, root );
821 strcat( pFCB->unixPath, "/" );
822 strcat( pFCB->unixPath, cwd );
823 pFCB->count = 0;
824 return 1;
825 }
826
827
828 static int INT21_FindNextFCB( CONTEXT *context )
829 {
830 BYTE *fcb = (BYTE *)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context));
831 FINDFILE_FCB *pFCB;
832 DOS_DIRENTRY_LAYOUT *pResult = (DOS_DIRENTRY_LAYOUT *)GetCurrentDTA(context);
833 WIN32_FIND_DATA32A entry;
834 BYTE attr;
835 int count;
836
837 if (*fcb == 0xff) /* extended FCB ? */
838 {
839 attr = fcb[6];
840 pFCB = (FINDFILE_FCB *)(fcb + 7);
841 }
842 else
843 {
844 attr = 0;
845 pFCB = (FINDFILE_FCB *)fcb;
846 }
847
848 if (!pFCB->unixPath) return 0;
849 if (!(count = DOSFS_FindNext( pFCB->unixPath, pFCB->filename, NULL,
850 DOS_GET_DRIVE( pFCB->drive ), attr,
851 pFCB->count, &entry )))
852 {
853 HeapFree( GetProcessHeap(), 0, pFCB->unixPath );
854 pFCB->unixPath = NULL;
855 return 0;
856 }
857 pFCB->count += count;
858
859 if (*fcb == 0xff) { /* place extended FCB header before pResult if called with extended FCB */
860 *(BYTE *)pResult = 0xff;
861 (BYTE *)pResult +=6; /* leave reserved field behind */
862 *(BYTE *)pResult = entry.dwFileAttributes;
863 ((BYTE *)pResult)++;
864 }
865 *(BYTE *)pResult = DOS_GET_DRIVE( pFCB->drive ); /* DOS_DIRENTRY_LAYOUT after current drive number */
866 ((BYTE *)pResult)++;
867 pResult->fileattr = entry.dwFileAttributes;
868 pResult->cluster = 0; /* what else? */
869 pResult->filesize = entry.nFileSizeLow;
870 memset( pResult->reserved, 0, sizeof(pResult->reserved) );
871 FileTimeToDosDateTime( &entry.ftLastWriteTime,
872 &pResult->filedate, &pResult->filetime );
873
874 /* Convert file name to FCB format */
875
876 memset( pResult->filename, ' ', sizeof(pResult->filename) );
877 if (!strcmp( entry.cAlternateFileName, "." )) pResult->filename[0] = '.';
878 else if (!strcmp( entry.cAlternateFileName, ".." ))
879 pResult->filename[0] = pResult->filename[1] = '.';
880 else
881 {
882 char *p = strrchr( entry.cAlternateFileName, '.' );
883 if (p && p[1] && (p != entry.cAlternateFileName))
884 {
885 memcpy( pResult->filename, entry.cAlternateFileName,
886 MIN( (p - entry.cAlternateFileName), 8 ) );
887 memcpy( pResult->filename + 8, p + 1, MIN( strlen(p), 3 ) );
888 }
889 else
890 memcpy( pResult->filename, entry.cAlternateFileName,
891 MIN( strlen(entry.cAlternateFileName), 8 ) );
892 }
893 return 1;
894 }
895
896
897 static void DeleteFileFCB( CONTEXT *context )
898 {
899 FIXME(int21, "(%p): stub\n", context);
900 }
901
902 static void RenameFileFCB( CONTEXT *context )
903 {
904 FIXME(int21, "(%p): stub\n", context);
905 }
906
907
908
909 static void fLock( CONTEXT * context )
910 {
911
912 switch ( AX_reg(context) & 0xff )
913 {
914 case 0x00: /* LOCK */
915 TRACE(int21,"lock handle %d offset %ld length %ld\n",
916 BX_reg(context),
917 MAKELONG(DX_reg(context),CX_reg(context)),
918 MAKELONG(DI_reg(context),SI_reg(context))) ;
919 if (!LockFile(FILE_GetHandle32(BX_reg(context)),
920 MAKELONG(DX_reg(context),CX_reg(context)), 0,
921 MAKELONG(DI_reg(context),SI_reg(context)), 0)) {
922 AX_reg(context) = DOS_ExtendedError;
923 SET_CFLAG(context);
924 }
925 break;
926
927 case 0x01: /* UNLOCK */
928 TRACE(int21,"unlock handle %d offset %ld length %ld\n",
929 BX_reg(context),
930 MAKELONG(DX_reg(context),CX_reg(context)),
931 MAKELONG(DI_reg(context),SI_reg(context))) ;
932 if (!UnlockFile(FILE_GetHandle32(BX_reg(context)),
933 MAKELONG(DX_reg(context),CX_reg(context)), 0,
934 MAKELONG(DI_reg(context),SI_reg(context)), 0)) {
935 AX_reg(context) = DOS_ExtendedError;
936 SET_CFLAG(context);
937 }
938 return;
939 default:
940 AX_reg(context) = 0x0001;
941 SET_CFLAG(context);
942 return;
943 }
944 }
945
946 static BOOL32
947 INT21_networkfunc (CONTEXT *context)
948 {
949 switch (AL_reg(context)) {
950 case 0x00: /* Get machine name. */
951 {
952 char *dst = CTX_SEG_OFF_TO_LIN (context,DS_reg(context),EDX_reg(context));
953 TRACE(int21, "getting machine name to %p\n", dst);
954 if (gethostname (dst, 15))
955 {
956 WARN(int21,"failed!\n");
957 DOS_ERROR( ER_NoNetwork, EC_NotFound, SA_Abort, EL_Network );
958 return TRUE;
959 } else {
960 int len = strlen (dst);
961 while (len < 15)
962 dst[len++] = ' ';
963 dst[15] = 0;
964 CH_reg(context) = 1; /* Valid */
965 CL_reg(context) = 1; /* NETbios number??? */
966 TRACE(int21, "returning %s\n", debugstr_an (dst, 16));
967 return FALSE;
968 }
969 }
970
971 default:
972 DOS_ERROR( ER_NoNetwork, EC_NotFound, SA_Abort, EL_Network );
973 return TRUE;
974 }
975 }
976
977 static void INT21_SetCurrentPSP(WORD psp)
978 {
979 #ifdef MZ_SUPPORTED
980 TDB *pTask = (TDB *)GlobalLock16( GetCurrentTask() );
981 NE_MODULE *pModule = pTask ? NE_GetPtr( pTask->hModule ) : NULL;
982
983 GlobalUnlock16( GetCurrentTask() );
984 if (pModule->lpDosTask)
985 pModule->lpDosTask->psp_seg = psp;
986 else
987 #endif
988 ERR(int21, "Cannot change PSP for non-DOS task!\n");
989 }
990
991 static WORD INT21_GetCurrentPSP()
992 {
993 #ifdef MZ_SUPPORTED
994 TDB *pTask = (TDB *)GlobalLock16( GetCurrentTask() );
995 NE_MODULE *pModule = pTask ? NE_GetPtr( pTask->hModule ) : NULL;
996
997 GlobalUnlock16( GetCurrentTask() );
998 if (pModule->lpDosTask)
999 return pModule->lpDosTask->psp_seg;
1000 else
1001 #endif
1002 return GetCurrentPDB();
1003 }
1004
1005
1006 SEGPTR INT21_GetListOfLists()
1007 {
1008 static DOS_LISTOFLISTS *LOL;
1009 static SEGPTR seg_LOL;
1010
1011 /*
1012 Output of DOS 6.22:
1013
1014 0133:0020 6A 13-33 01 CC 00 33 01 59 00 j.3...3.Y.
1015 0133:0030 70 00 00 00 72 02 00 02-6D 00 33 01 00 00 2E 05 p...r...m.3.....
1016 0133:0040 00 00 FC 04 00 00 03 08-92 21 11 E0 04 80 C6 0D .........!......
1017 0133:0050 CC 0D 4E 55 4C 20 20 20-20 20 00 00 00 00 00 00 ..NUL ......
1018 0133:0060 00 4B BA C1 06 14 00 00-00 03 01 00 04 70 CE FF .K...........p..
1019 0133:0070 FF 00 00 00 00 00 00 00-00 01 00 00 0D 05 00 00 ................
1020 0133:0080 00 FF FF 00 00 00 00 FE-00 00 F8 03 FF 9F 70 02 ..............p.
1021 0133:0090 D0 44 C8 FD D4 44 C8 FD-D4 44 C8 FD D0 44 C8 FD .D...D...D...D..
1022 0133:00A0 D0 44 C8 FD D0 44 .D...D
1023 */
1024 if (!LOL) {
1025 LOL = SEGPTR_ALLOC(sizeof(DOS_LISTOFLISTS));
1026
1027 LOL->CX_Int21_5e01 = 0x0;
1028 LOL->LRU_count_FCB_cache = 0x0;
1029 LOL->LRU_count_FCB_open = 0x0;
1030 LOL->OEM_func_handler = -1; /* not available */
1031 LOL->INT21_offset = 0x0;
1032 LOL->sharing_retry_count = sharing_retries; /* default value: 3 */
1033 LOL->sharing_retry_delay = sharing_pause; /* default value: 1 */
1034 LOL->ptr_disk_buf = 0x0;
1035 LOL->offs_unread_CON = 0x0;
1036 LOL->seg_first_MCB = 0x0;
1037 LOL->ptr_first_DPB = 0x0;
1038 LOL->ptr_first_SysFileTable = 0x0;
1039 LOL->ptr_clock_dev_hdr = 0x0;
1040 LOL->ptr_CON_dev_hdr = 0x0;
1041 LOL->max_byte_per_sec = 512;
1042 LOL->ptr_disk_buf_info = 0x0;
1043 LOL->ptr_array_CDS = 0x0;
1044 LOL->ptr_sys_FCB = 0x0;
1045 LOL->nr_protect_FCB = 0x0;
1046 LOL->nr_block_dev = 0x0;
1047 LOL->nr_avail_drive_letters = 26; /* A - Z */
1048 LOL->nr_drives_JOINed = 0x0;
1049 LOL->ptr_spec_prg_names = 0x0;
1050 LOL->ptr_SETVER_prg_list = 0x0; /* no SETVER list */
1051 LOL->DOS_HIGH_A20_func_offs = 0x0;
1052 LOL->PSP_last_exec = 0x0;
1053 LOL->BUFFERS_val = 99; /* maximum: 99 */
1054 LOL->BUFFERS_nr_lookahead = 8; /* maximum: 8 */
1055 LOL->boot_drive = 3; /* C: */
1056 LOL->flag_DWORD_moves = 0x01; /* i386+ */
1057 LOL->size_extended_mem = 0xf000; /* very high value */
1058 }
1059 if (!seg_LOL) seg_LOL = SEGPTR_GET(LOL);
1060 return seg_LOL+(WORD)&((DOS_LISTOFLISTS*)0)->ptr_first_DPB;
1061 }
1062
1063 /***********************************************************************
1064 * DOS3Call (KERNEL.102)
1065 */
1066 void WINAPI DOS3Call( CONTEXT *context )
1067 {
1068 BOOL32 bSetDOSExtendedError = FALSE;
1069
1070
1071 TRACE(int21, "AX=%04x BX=%04x CX=%04x DX=%04x "
1072 "SI=%04x DI=%04x DS=%04x ES=%04x EFL=%08lx\n",
1073 AX_reg(context), BX_reg(context), CX_reg(context), DX_reg(context),
1074 SI_reg(context), DI_reg(context),
1075 (WORD)DS_reg(context), (WORD)ES_reg(context),
1076 EFL_reg(context) );
1077
1078
1079 if (AH_reg(context) == 0x59) /* Get extended error info */
1080 {
1081 TRACE(int21, "GET EXTENDED ERROR code 0x%02x class 0x%02x action 0x%02x locus %02x\n",
1082 DOS_ExtendedError, DOS_ErrorClass, DOS_ErrorAction, DOS_ErrorLocus);
1083 AX_reg(context) = DOS_ExtendedError;
1084 BH_reg(context) = DOS_ErrorClass;
1085 BL_reg(context) = DOS_ErrorAction;
1086 CH_reg(context) = DOS_ErrorLocus;
1087 return;
1088 }
1089
1090 if (AH_reg(context) == 0x0C) /* Flush buffer and read standard input */
1091 {
1092 TRACE(int21, "FLUSH BUFFER AND READ STANDARD INPUT\n");
1093 /* no flush here yet */
1094 AH_reg(context) = AL_reg(context);
1095 }
1096
1097 if (AH_reg(context)>=0x2f) {
1098 /* extended error is used by (at least) functions 0x2f to 0x62 */
1099 DOS_ERROR( 0, 0, 0, 0 );
1100 }
1101 RESET_CFLAG(context); /* Not sure if this is a good idea */
1102
1103 switch(AH_reg(context))
1104 {
1105 case 0x03: /* READ CHARACTER FROM STDAUX */
1106 case 0x04: /* WRITE CHARACTER TO STDAUX */
1107 case 0x05: /* WRITE CHARACTER TO PRINTER */
1108 case 0x0f: /* OPEN FILE USING FCB */
1109 case 0x10: /* CLOSE FILE USING FCB */
1110 case 0x14: /* SEQUENTIAL READ FROM FCB FILE */
1111 case 0x15: /* SEQUENTIAL WRITE TO FCB FILE */
1112 case 0x16: /* CREATE OR TRUNCATE FILE USING FCB */
1113 case 0x21: /* READ RANDOM RECORD FROM FCB FILE */
1114 case 0x22: /* WRITE RANDOM RECORD TO FCB FILE */
1115 case 0x23: /* GET FILE SIZE FOR FCB */
1116 case 0x24: /* SET RANDOM RECORD NUMBER FOR FCB */
1117 case 0x26: /* CREATE NEW PROGRAM SEGMENT PREFIX */
1118 case 0x27: /* RANDOM BLOCK READ FROM FCB FILE */
1119 case 0x28: /* RANDOM BLOCK WRITE TO FCB FILE */
1120 case 0x54: /* GET VERIFY FLAG */
1121 INT_BARF( context, 0x21 );
1122 break;
1123
1124 case 0x00: /* TERMINATE PROGRAM */
1125 TRACE(int21,"TERMINATE PROGRAM\n");
1126 ExitProcess( 0 );
1127 break;
1128
1129 case 0x01: /* READ CHARACTER FROM STANDARD INPUT, WITH ECHO */
1130 TRACE(int21,"DIRECT CHARACTER INPUT WITH ECHO\n");
1131 AL_reg(context) = CONSOLE_GetCharacter();
1132 /* FIXME: no echo */
1133 break;
1134
1135 case 0x02: /* WRITE CHARACTER TO STANDARD OUTPUT */
1136 TRACE(int21, "Write Character to Standard Output\n");
1137 CONSOLE_Write(DL_reg(context), 0, 0, 0);
1138 break;
1139
1140 case 0x06: /* DIRECT CONSOLE IN/OUTPUT */
1141 TRACE(int21, "Direct Console Input/Output\n");
1142 if (DL_reg(context) == 0xff) {
1143 FIXME(int21,"Direct Console Input should not block\n");
1144 AL_reg(context) = CONSOLE_GetCharacter();
1145 FL_reg(context) &= ~0x40; /* clear ZF */
1146 } else
1147 CONSOLE_Write(DL_reg(context), 0, 0, 0);
1148 break;
1149
1150 case 0x07: /* DIRECT CHARACTER INPUT WITHOUT ECHO */
1151 TRACE(int21,"DIRECT CHARACTER INPUT WITHOUT ECHO\n");
1152 AL_reg(context) = CONSOLE_GetCharacter();
1153 break;
1154
1155 case 0x08: /* CHARACTER INPUT WITHOUT ECHO */
1156 TRACE(int21,"CHARACTER INPUT WITHOUT ECHO\n");
1157 AL_reg(context) = CONSOLE_GetCharacter();
1158 break;
1159
1160 case 0x09: /* WRITE STRING TO STANDARD OUTPUT */
1161 TRACE(int21,"WRITE '$'-terminated string from %04lX:%04X to stdout\n",
1162 DS_reg(context),DX_reg(context) );
1163 {
1164 LPSTR data = CTX_SEG_OFF_TO_LIN(context,DS_reg(context),EDX_reg(context));
1165 LPSTR p = data;
1166 /* do NOT use strchr() to calculate the string length,
1167 as '\0' is valid string content, too !
1168 Maybe we should check for non-'$' strings, but DOS doesn't. */
1169 while (*p != '$') p++;
1170 _hwrite16( 1, data, (int)p - (int)data);
1171 AL_reg(context) = '$'; /* yes, '$' (0x24) gets returned in AL */
1172 }
1173 break;
1174
1175 case 0x0a: /* BUFFERED INPUT */
1176 {
1177 char *buffer = ((char *)CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
1178 EDX_reg(context) ));
1179 int res;
1180
1181 TRACE(int21,"BUFFERED INPUT (size=%d)\n",buffer[0]);
1182 if (buffer[1])
1183 TRACE(int21,"Handle old chars in buffer!\n");
1184 res=_lread16( 0, buffer+2,buffer[0]);
1185 buffer[1]=res;
1186 if(buffer[res+1] == '\n')
1187 buffer[res+1] = '\r';
1188 break;
1189 }
1190
1191 case 0x0b: {/* GET STDIN STATUS */
1192 char x1,x2;
1193
1194 if (CONSOLE_CheckForKeystroke(&x1,&x2))
1195 AL_reg(context) = 0xff;
1196 else
1197 AL_reg(context) = 0;
1198 break;
1199 }
1200 case 0x2e: /* SET VERIFY FLAG */
1201 TRACE(int21,"SET VERIFY FLAG ignored\n");
1202 /* we cannot change the behaviour anyway, so just ignore it */
1203 break;
1204
1205 case 0x18: /* NULL FUNCTIONS FOR CP/M COMPATIBILITY */
1206 case 0x1d:
1207 case 0x1e:
1208 case 0x20:
1209 case 0x6b: /* NULL FUNCTION */
1210 AL_reg(context) = 0;
1211 break;
1212
1213 case 0x5c: /* "FLOCK" - RECORD LOCKING */
1214 fLock(context);
1215 break;
1216
1217 case 0x0d: /* DISK BUFFER FLUSH */
1218 TRACE(int21,"DISK BUFFER FLUSH ignored\n");
1219 RESET_CFLAG(context); /* dos 6+ only */
1220 break;
1221
1222 case 0x0e: /* SELECT DEFAULT DRIVE */
1223 TRACE(int21,"SELECT DEFAULT DRIVE %d\n", DL_reg(context));
1224 DRIVE_SetCurrentDrive( DL_reg(context) );
1225 AL_reg(context) = MAX_DOS_DRIVES;
1226 break;
1227
1228 case 0x11: /* FIND FIRST MATCHING FILE USING FCB */
1229 TRACE(int21,"FIND FIRST MATCHING FILE USING FCB %p\n",
1230 CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context)));
1231 if (!INT21_FindFirstFCB(context))
1232 {
1233 AL_reg(context) = 0xff;
1234 break;
1235 }
1236 /* else fall through */
1237
1238 case 0x12: /* FIND NEXT MATCHING FILE USING FCB */
1239 AL_reg(context) = INT21_FindNextFCB(context) ? 0x00 : 0xff;
1240 break;
1241
1242 case 0x13: /* DELETE FILE USING FCB */
1243 DeleteFileFCB(context);
1244 break;
1245
1246 case 0x17: /* RENAME FILE USING FCB */
1247 RenameFileFCB(context);
1248 break;
1249
1250 case 0x19: /* GET CURRENT DEFAULT DRIVE */
1251 AL_reg(context) = DRIVE_GetCurrentDrive();
1252 break;
1253
1254 case 0x1a: /* SET DISK TRANSFER AREA ADDRESS */
1255 {
1256 TDB *pTask = (TDB *)GlobalLock16( GetCurrentTask() );
1257 pTask->dta = PTR_SEG_OFF_TO_SEGPTR(DS_reg(context),DX_reg(context));
1258 TRACE(int21, "Set DTA: %08lx\n", pTask->dta);
1259 }
1260 break;
1261
1262 case 0x1b: /* GET ALLOCATION INFORMATION FOR DEFAULT DRIVE */
1263 DL_reg(context) = 0;
1264 if (!INT21_GetDriveAllocInfo(context)) AX_reg(context) = 0xffff;
1265 break;
1266
1267 case 0x1c: /* GET ALLOCATION INFORMATION FOR SPECIFIC DRIVE */
1268 if (!INT21_GetDriveAllocInfo(context)) AX_reg(context) = 0xffff;
1269 break;
1270
1271 case 0x1f: /* GET DRIVE PARAMETER BLOCK FOR DEFAULT DRIVE */
1272 GetDrivePB(context, DRIVE_GetCurrentDrive());
1273 break;
1274
1275 case 0x25: /* SET INTERRUPT VECTOR */
1276 INT_CtxSetHandler( context, AL_reg(context),
1277 (FARPROC16)PTR_SEG_OFF_TO_SEGPTR( DS_reg(context),
1278 DX_reg(context)));
1279 break;
1280
1281 case 0x29: /* PARSE FILENAME INTO FCB */
1282 INT21_ParseFileNameIntoFCB(context);
1283 break;
1284
1285 case 0x2a: /* GET SYSTEM DATE */
1286 INT21_GetSystemDate(context);
1287 break;
1288
1289 case 0x2b: /* SET SYSTEM DATE */
1290 FIXME(int21, "SetSystemDate(%02d/%02d/%04d): not allowed\n",
1291 DL_reg(context), DH_reg(context), CX_reg(context) );
1292 AL_reg(context) = 0; /* Let's pretend we succeeded */
1293 break;
1294
1295 case 0x2c: /* GET SYSTEM TIME */
1296 INT21_GetSystemTime(context);
1297 break;
1298
1299 case 0x2d: /* SET SYSTEM TIME */
1300 FIXME(int21, "SetSystemTime(%02d:%02d:%02d.%02d): not allowed\n",
1301 CH_reg(context), CL_reg(context),
1302 DH_reg(context), DL_reg(context) );
1303 AL_reg(context) = 0; /* Let's pretend we succeeded */
1304 break;
1305
1306 case 0x2f: /* GET DISK TRANSFER AREA ADDRESS */
1307 TRACE(int21,"GET DISK TRANSFER AREA ADDRESS\n");
1308 {
1309 TDB *pTask = (TDB *)GlobalLock16( GetCurrentTask() );
1310 ES_reg(context) = SELECTOROF( pTask->dta );
1311 BX_reg(context) = OFFSETOF( pTask->dta );
1312 }
1313 break;
1314
1315 case 0x30: /* GET DOS VERSION */
1316 TRACE(int21,"GET DOS VERSION %s requested\n",
1317 (AL_reg(context) == 0x00)?"OEM number":"version flag");
1318 AX_reg(context) = (HIWORD(GetVersion16()) >> 8) |
1319 (HIWORD(GetVersion16()) << 8);
1320 #if 0
1321 AH_reg(context) = 0x7;
1322 AL_reg(context) = 0xA;
1323 #endif
1324
1325 BX_reg(context) = 0x00FF; /* 0x123456 is Wine's serial # */
1326 CX_reg(context) = 0x0000;
1327 break;
1328
1329 case 0x31: /* TERMINATE AND STAY RESIDENT */
1330 FIXME(int21,"TERMINATE AND STAY RESIDENT stub\n");
1331 break;
1332
1333 case 0x32: /* GET DOS DRIVE PARAMETER BLOCK FOR SPECIFIC DRIVE */
1334 TRACE(int21,"GET DOS DRIVE PARAMETER BLOCK FOR DRIVE %s\n",
1335 INT21_DriveName( DL_reg(context)));
1336 GetDrivePB(context, DOS_GET_DRIVE( DL_reg(context) ) );
1337 break;
1338
1339 case 0x33: /* MULTIPLEXED */
1340 switch (AL_reg(context))
1341 {
1342 case 0x00: /* GET CURRENT EXTENDED BREAK STATE */
1343 TRACE(int21,"GET CURRENT EXTENDED BREAK STATE\n");
1344 DL_reg(context) = DOSCONF_config.brk_flag;
1345 break;
1346
1347 case 0x01: /* SET EXTENDED BREAK STATE */
1348 TRACE(int21,"SET CURRENT EXTENDED BREAK STATE\n");
1349 DOSCONF_config.brk_flag = (DL_reg(context) > 0);
1350 break;
1351
1352 case 0x02: /* GET AND SET EXTENDED CONTROL-BREAK CHECKING STATE*/
1353 TRACE(int21,"GET AND SET EXTENDED CONTROL-BREAK CHECKING STATE\n");
1354 /* ugly coding in order to stay reentrant */
1355 if (DL_reg(context))
1356 {
1357 DL_reg(context) = DOSCONF_config.brk_flag;
1358 DOSCONF_config.brk_flag = 1;
1359 }
1360 else
1361 {
1362 DL_reg(context) = DOSCONF_config.brk_flag;
1363 DOSCONF_config.brk_flag = 0;
1364 }
1365 break;
1366
1367 case 0x05: /* GET BOOT DRIVE */
1368 TRACE(int21,"GET BOOT DRIVE\n");
1369 DL_reg(context) = 3;
1370 /* c: is Wine's bootdrive (a: is 1)*/
1371 break;
1372
1373 case 0x06: /* GET TRUE VERSION NUMBER */
1374 TRACE(int21,"GET TRUE VERSION NUMBER\n");
1375 BX_reg(context) = (HIWORD(GetVersion16() >> 8)) |
1376 (HIWORD(GetVersion16() << 8));
1377 DX_reg(context) = 0x00;
1378 break;
1379
1380 default:
1381 INT_BARF( context, 0x21 );
1382 break;
1383 }
1384 break;
1385
1386 case 0x34: /* GET ADDRESS OF INDOS FLAG */
1387 TRACE(int21,"GET ADDRESS OF INDOS FLAG\n");
1388 if (!heap) INT21_CreateHeap();
1389 ES_reg(context) = DosHeapHandle;
1390 BX_reg(context) = (int)&heap->InDosFlag - (int)heap;
1391 break;
1392
1393 case 0x35: /* GET INTERRUPT VECTOR */
1394 TRACE(int21,"GET INTERRUPT VECTOR 0x%02x\n",AL_reg(context));
1395 {
1396 FARPROC16 addr = INT_CtxGetHandler( context, AL_reg(context) );
1397 ES_reg(context) = SELECTOROF(addr);
1398 BX_reg(context) = OFFSETOF(addr);
1399 }
1400 break;
1401
1402 case 0x36: /* GET FREE DISK SPACE */
1403 TRACE(int21,"GET FREE DISK SPACE FOR DRIVE %s\n",
1404 INT21_DriveName( DL_reg(context)));
1405 if (!INT21_GetFreeDiskSpace(context)) AX_reg(context) = 0xffff;
1406 break;
1407
1408 case 0x37:
1409 {
1410 unsigned char switchchar='/';
1411 switch (AL_reg(context))
1412 {
1413 case 0x00: /* "SWITCHAR" - GET SWITCH CHARACTER */
1414 TRACE(int21,"SWITCHAR - GET SWITCH CHARACTER\n");
1415 AL_reg(context) = 0x00; /* success*/
1416 DL_reg(context) = switchchar;
1417 break;
1418 case 0x01: /*"SWITCHAR" - SET SWITCH CHARACTER*/
1419 TRACE(int21,"SWITCHAR - SET SWITCH CHARACTER\n");
1420 switchchar = DL_reg(context);
1421 AL_reg(context) = 0x00; /* success*/
1422 break;
1423 default: /*"AVAILDEV" - SPECIFY \DEV\ PREFIX USE*/
1424 INT_BARF( context, 0x21 );
1425 break;
1426 }
1427 break;
1428 }
1429
1430 case 0x38: /* GET COUNTRY-SPECIFIC INFORMATION */
1431 TRACE(int21,"GET COUNTRY-SPECIFIC INFORMATION for country 0x%02x\n",
1432 AL_reg(context));
1433 AX_reg(context) = 0x02; /* no country support available */
1434 SET_CFLAG(context);
1435 break;
1436
1437 case 0x39: /* "MKDIR" - CREATE SUBDIRECTORY */
1438 TRACE(int21,"MKDIR %s\n",
1439 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context)));
1440 bSetDOSExtendedError = (!CreateDirectory16( CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
1441 EDX_reg(context) ), NULL));
1442 break;
1443
1444 case 0x3a: /* "RMDIR" - REMOVE SUBDIRECTORY */
1445 TRACE(int21,"RMDIR %s\n",
1446 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context)));
1447 bSetDOSExtendedError = (!RemoveDirectory16( CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
1448 EDX_reg(context) )));
1449 break;
1450
1451 case 0x3b: /* "CHDIR" - SET CURRENT DIRECTORY */
1452 TRACE(int21,"CHDIR %s\n",
1453 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context)));
1454 bSetDOSExtendedError = !INT21_ChangeDir(context);
1455 break;
1456
1457 case 0x3c: /* "CREAT" - CREATE OR TRUNCATE FILE */
1458 TRACE(int21,"CREAT flag 0x%02x %s\n",CX_reg(context),
1459 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context)));
1460 AX_reg(context) = _lcreat16( CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
1461 EDX_reg(context) ), CX_reg(context) );
1462 bSetDOSExtendedError = (AX_reg(context) == (WORD)HFILE_ERROR16);
1463 break;
1464
1465 case 0x3d: /* "OPEN" - OPEN EXISTING FILE */
1466 TRACE(int21,"OPEN mode 0x%02x %s\n",AL_reg(context),
1467 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context)));
1468 OpenExistingFile(context);
1469 break;
1470
1471 case 0x3e: /* "CLOSE" - CLOSE FILE */
1472 TRACE(int21,"CLOSE handle %d\n",BX_reg(context));
1473 bSetDOSExtendedError = ((AX_reg(context) = _lclose16( BX_reg(context) )) != 0);
1474 break;
1475
1476 case 0x3f: /* "READ" - READ FROM FILE OR DEVICE */
1477 TRACE(int21,"READ from %d to %04lX:%04X for %d byte\n",BX_reg(context),
1478 DS_reg(context),DX_reg(context),CX_reg(context) );
1479 {
1480 LONG result;
1481 if (ISV86(context))
1482 result = _hread16( BX_reg(context),
1483 CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
1484 EDX_reg(context) ),
1485 CX_reg(context) );
1486 else
1487 result = WIN16_hread( BX_reg(context),
1488 PTR_SEG_OFF_TO_SEGPTR( DS_reg(context),
1489 EDX_reg(context) ),
1490 CX_reg(context) );
1491 if (result == -1) bSetDOSExtendedError = TRUE;
1492 else AX_reg(context) = (WORD)result;
1493 }
1494 break;
1495
1496 case 0x40: /* "WRITE" - WRITE TO FILE OR DEVICE */
1497 TRACE(int21,"WRITE from %04lX:%04X to handle %d for %d byte\n",
1498 DS_reg(context),DX_reg(context),BX_reg(context),CX_reg(context) );
1499 {
1500 LONG result = _hwrite16( BX_reg(context),
1501 CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
1502 EDX_reg(context) ),
1503 CX_reg(context) );
1504 if (result == -1) bSetDOSExtendedError = TRUE;
1505 else AX_reg(context) = (WORD)result;
1506 }
1507 break;
1508
1509 case 0x41: /* "UNLINK" - DELETE FILE */
1510 TRACE(int21,"UNLINK%s\n",
1511 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context)));
1512 bSetDOSExtendedError = (!DeleteFile32A( CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
1513 EDX_reg(context) )));
1514 break;
1515
1516 case 0x42: /* "LSEEK" - SET CURRENT FILE POSITION */
1517 TRACE(int21,"LSEEK handle %d offset %ld from %s\n",
1518 BX_reg(context), MAKELONG(DX_reg(context),CX_reg(context)),
1519 (AL_reg(context)==0)?"start of file":(AL_reg(context)==1)?
1520 "current file position":"end of file");
1521 {
1522 LONG status = _llseek16( BX_reg(context),
1523 MAKELONG(DX_reg(context),CX_reg(context)),
1524 AL_reg(context) );
1525 if (status == -1) bSetDOSExtendedError = TRUE;
1526 else
1527 {
1528 AX_reg(context) = LOWORD(status);
1529 DX_reg(context) = HIWORD(status);
1530 }
1531 }
1532 break;
1533
1534 case 0x43: /* FILE ATTRIBUTES */
1535 switch (AL_reg(context))
1536 {
1537 case 0x00:
1538 TRACE(int21,"GET FILE ATTRIBUTES for %s\n",
1539 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context)));
1540 AX_reg(context) = (WORD)GetFileAttributes32A(
1541 CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
1542 EDX_reg(context)));
1543 if (AX_reg(context) == 0xffff) bSetDOSExtendedError = TRUE;
1544 else CX_reg(context) = AX_reg(context);
1545 break;
1546
1547 case 0x01:
1548 TRACE(int21,"SET FILE ATTRIBUTES 0x%02x for %s\n", CX_reg(context),
1549 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context)));
1550 bSetDOSExtendedError =
1551 (!SetFileAttributes32A( CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
1552 EDX_reg(context)),
1553 CX_reg(context) ));
1554 break;
1555 case 0x02:
1556 TRACE(int21,"GET COMPRESSED FILE SIZE for %s stub\n",
1557 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context)));
1558 }
1559 break;
1560
1561 case 0x44: /* IOCTL */
1562 switch (AL_reg(context))
1563 {
1564 case 0x00:
1565 ioctlGetDeviceInfo(context);
1566 break;
1567
1568 case 0x01:
1569 break;
1570 case 0x02:{
1571 const DOS_DEVICE *dev;
1572 if ((dev = DOSFS_GetDeviceByHandle( FILE_GetHandle32(BX_reg(context)) )) &&
1573 !strcasecmp( dev->name, "SCSIMGR$" ))
1574 {
1575 ASPI_DOS_HandleInt(context);
1576 }
1577 break;
1578 }
1579 case 0x05:{ /* IOCTL - WRITE TO BLOCK DEVICE CONTROL CHANNEL */
1580 /*BYTE *dataptr = CTX_SEG_OFF_TO_LIN(context, DS_reg(context),EDX_reg(context));*/
1581 int drive = DOS_GET_DRIVE(BL_reg(context));
1582
1583 FIXME(int21,"program tried to write to block device control channel of drive %d:\n",drive);
1584 /* for (i=0;i<CX_reg(context);i++)
1585 fprintf(stdnimp,"%02x ",dataptr[i]);
1586 fprintf(stdnimp,"\n");*/
1587 AX_reg(context)=CX_reg(context);
1588 break;
1589 }
1590 case 0x08: /* Check if drive is removable. */
1591 TRACE(int21,"IOCTL - CHECK IF BLOCK DEVICE REMOVABLE for drive %s\n",
1592 INT21_DriveName( BL_reg(context)));
1593 switch(GetDriveType16( DOS_GET_DRIVE( BL_reg(context) )))
1594 {
1595 case DRIVE_CANNOTDETERMINE:
1596 DOS_ERROR( ER_InvalidDrive, EC_NotFound, SA_Abort, EL_Disk );
1597 AX_reg(context) = ER_InvalidDrive;
1598 SET_CFLAG(context);
1599 break;
1600 case DRIVE_REMOVABLE:
1601 AX_reg(context) = 0; /* removable */
1602 break;
1603 default:
1604 AX_reg(context) = 1; /* not removable */
1605 break;
1606 }
1607 break;
1608
1609 case 0x09: /* CHECK IF BLOCK DEVICE REMOTE */
1610 TRACE(int21,"IOCTL - CHECK IF BLOCK DEVICE REMOTE for drive %s\n",
1611 INT21_DriveName( BL_reg(context)));
1612 switch(GetDriveType16( DOS_GET_DRIVE( BL_reg(context) )))
1613 {
1614 case DRIVE_CANNOTDETERMINE:
1615 DOS_ERROR( ER_InvalidDrive, EC_NotFound, SA_Abort, EL_Disk );
1616 AX_reg(context) = ER_InvalidDrive;
1617 SET_CFLAG(context);
1618 break;
1619 case DRIVE_REMOTE:
1620 DX_reg(context) = (1<<9) | (1<<12); /* remote */
1621 break;
1622 default:
1623 DX_reg(context) = 0; /* FIXME: use driver attr here */
1624 break;
1625 }
1626 break;
1627
1628 case 0x0a: /* check if handle (BX) is remote */
1629 TRACE(int21,"IOCTL - CHECK IF HANDLE %d IS REMOTE\n",BX_reg(context));
1630 /* returns DX, bit 15 set if remote, bit 14 set if date/time
1631 * not set on close
1632 */
1633 DX_reg(context) = 0;
1634 break;
1635
1636 case 0x0b: /* SET SHARING RETRY COUNT */
1637 TRACE(int21,"IOCTL - SET SHARING RETRY COUNT pause %d retries %d\n",
1638 CX_reg(context), DX_reg(context));
1639 if (!CX_reg(context))
1640 {
1641 AX_reg(context) = 1;
1642 SET_CFLAG(context);
1643 break;
1644 }
1645 sharing_pause = CX_reg(context);
1646 if (!DX_reg(context))
1647 sharing_retries = DX_reg(context);
1648 RESET_CFLAG(context);
1649 break;
1650
1651 case 0x0d:
1652 TRACE(int21,"IOCTL - GENERIC BLOCK DEVICE REQUEST %s\n",
1653 INT21_DriveName( BL_reg(context)));
1654 bSetDOSExtendedError = ioctlGenericBlkDevReq(context);
1655 break;
1656
1657 case 0x0e: /* get logical drive mapping */
1658 TRACE(int21,"IOCTL - GET LOGICAL DRIVE MAP for drive %s\n",
1659 INT21_DriveName( BL_reg(context)));
1660 AL_reg(context) = 0; /* drive has no mapping - FIXME: may be wrong*/
1661 break;
1662
1663 case 0x0F: /* Set logical drive mapping */
1664 {
1665 int drive;
1666 TRACE(int21,"IOCTL - SET LOGICAL DRIVE MAP for drive %s\n",
1667 INT21_DriveName( BL_reg(context)));
1668 drive = DOS_GET_DRIVE ( BL_reg(context) );
1669 if ( ! DRIVE_SetLogicalMapping ( drive, drive+1 ) )
1670 {
1671 SET_CFLAG(context);
1672 AX_reg(context) = 0x000F; /* invalid drive */
1673 }
1674 break;
1675 }
1676
1677 case 0xe0: /* Sun PC-NFS API */
1678 /* not installed */
1679 break;
1680
1681 default:
1682 INT_BARF( context, 0x21 );
1683 break;
1684 }
1685 break;
1686
1687 case 0x45: /* "DUP" - DUPLICATE FILE HANDLE */
1688 {
1689 HANDLE32 handle;
1690 TRACE(int21,"DUP - DUPLICATE FILE HANDLE %d\n",BX_reg(context));
1691 if ((bSetDOSExtendedError = !DuplicateHandle( GetCurrentProcess(),
1692 FILE_GetHandle32(BX_reg(context)),
1693 GetCurrentProcess(), &handle,
1694 0, TRUE, DUPLICATE_SAME_ACCESS )))
1695 AX_reg(context) = HFILE_ERROR16;
1696 else
1697 AX_reg(context) = FILE_AllocDosHandle(handle);
1698 break;
1699 }
1700
1701 case 0x46: /* "DUP2", "FORCEDUP" - FORCE DUPLICATE FILE HANDLE */
1702 TRACE(int21,"FORCEDUP - FORCE DUPLICATE FILE HANDLE %d to %d\n",
1703 BX_reg(context),CX_reg(context));
1704 bSetDOSExtendedError = (FILE_Dup2( BX_reg(context), CX_reg(context) ) == HFILE_ERROR16);
1705 break;
1706
1707 case 0x47: /* "CWD" - GET CURRENT DIRECTORY */
1708 TRACE(int21,"CWD - GET CURRENT DIRECTORY for drive %s\n",
1709 INT21_DriveName( DL_reg(context)));
1710 bSetDOSExtendedError = !INT21_GetCurrentDirectory(context);
1711 break;
1712
1713 case 0x48: /* ALLOCATE MEMORY */
1714 TRACE(int21,"ALLOCATE MEMORY for %d paragraphs\n", BX_reg(context));
1715 {
1716 LPVOID *mem;
1717 if (ISV86(context))
1718 {
1719 mem= DOSMEM_GetBlock(0,(DWORD)BX_reg(context)<<4,NULL);
1720 if (mem)
1721 AX_reg(context) = DOSMEM_MapLinearToDos(mem)>>4;
1722 }
1723 else
1724 {
1725 mem = (LPVOID)GlobalDOSAlloc(BX_reg(context)<<4);
1726 if (mem)
1727 AX_reg(context) = (DWORD)mem&0xffff;
1728 }
1729 if (!mem)
1730 {
1731 SET_CFLAG(context);
1732 AX_reg(context) = 0x0008; /* insufficient memory */
1733 BX_reg(context) = DOSMEM_Available(0)>>4;
1734 }
1735 }
1736 break;
1737
1738 case 0x49: /* FREE MEMORY */
1739 TRACE(int21,"FREE MEMORY segment %04lX\n", ES_reg(context));
1740 {
1741 BOOL32 ret;
1742 if (ISV86(context))
1743 ret= DOSMEM_FreeBlock(0,DOSMEM_MapDosToLinear(ES_reg(context)<<4));
1744 else
1745 {
1746 ret = !GlobalDOSFree(ES_reg(context));
1747 /* If we don't reset ES_reg, we will fail in the relay code */
1748 ES_reg(context)=ret;
1749 }
1750 if (!ret)
1751 {
1752 TRACE(int21,"FREE MEMORY failed\n");
1753 SET_CFLAG(context);
1754 AX_reg(context) = 0x0009; /* memory block address invalid */
1755 }
1756 }
1757 break;
1758
1759 case 0x4a: /* RESIZE MEMORY BLOCK */
1760 TRACE(int21,"RESIZE MEMORY segment %04lX to %d paragraphs\n", ES_reg(context), BX_reg(context));
1761 if (!ISV86(context))
1762 FIXME(int21,"RESIZE MEMORY probably insufficent implementation. Expect crash soon\n");
1763 {
1764 LPVOID *mem = DOSMEM_ResizeBlock(0,DOSMEM_MapDosToLinear(ES_reg(context)<<4),
1765 BX_reg(context)<<4,NULL);
1766 if (mem)
1767 AX_reg(context) = DOSMEM_MapLinearToDos(mem)>>4;
1768 else {
1769 SET_CFLAG(context);
1770 AX_reg(context) = 0x0008; /* insufficient memory */
1771 BX_reg(context) = DOSMEM_Available(0)>>4; /* not quite right */
1772 }
1773 }
1774 break;
1775
1776 case 0x4b: /* "EXEC" - LOAD AND/OR EXECUTE PROGRAM */
1777 TRACE(int21,"EXEC %s\n",
1778 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context),EDX_reg(context) ));
1779 AX_reg(context) = WinExec16( CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
1780 EDX_reg(context) ),
1781 SW_NORMAL );
1782 if (AX_reg(context) < 32) SET_CFLAG(context);
1783 break;
1784
1785 case 0x4c: /* "EXIT" - TERMINATE WITH RETURN CODE */
1786 TRACE(int21,"EXIT with return code %d\n",AL_reg(context));
1787 ExitProcess( AL_reg(context) );
1788 break;
1789
1790 case 0x4d: /* GET RETURN CODE */
1791 TRACE(int21,"GET RETURN CODE (ERRORLEVEL)\n");
1792 AX_reg(context) = 0; /* normal exit */
1793 break;
1794
1795 case 0x4e: /* "FINDFIRST" - FIND FIRST MATCHING FILE */
1796 TRACE(int21,"FINDFIRST mask 0x%04x spec %s\n",CX_reg(context),
1797 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context)));
1798 if (!INT21_FindFirst(context)) break;
1799 /* fall through */
1800
1801 case 0x4f: /* "FINDNEXT" - FIND NEXT MATCHING FILE */
1802 TRACE(int21,"FINDNEXT\n");
1803 if (!INT21_FindNext(context))
1804 {
1805 DOS_ERROR( ER_NoMoreFiles, EC_MediaError, SA_Abort, EL_Disk );
1806 AX_reg(context) = ER_NoMoreFiles;
1807 SET_CFLAG(context);
1808 }
1809 else AX_reg(context) = 0; /* OK */
1810 break;
1811 case 0x50: /* SET CURRENT PROCESS ID (SET PSP ADDRESS) */
1812 TRACE(int21, "SET CURRENT PROCESS ID (SET PSP ADDRESS)\n");
1813 INT21_SetCurrentPSP(BX_reg(context));
1814 break;
1815 case 0x51: /* GET PSP ADDRESS */
1816 TRACE(int21,"GET CURRENT PROCESS ID (GET PSP ADDRESS)\n");
1817 /* FIXME: should we return the original DOS PSP upon */
1818 /* Windows startup ? */
1819 BX_reg(context) = INT21_GetCurrentPSP();
1820 break;
1821 case 0x62: /* GET PSP ADDRESS */
1822 TRACE(int21,"GET CURRENT PSP ADDRESS\n");
1823 /* FIXME: should we return the original DOS PSP upon */
1824 /* Windows startup ? */
1825 BX_reg(context) = INT21_GetCurrentPSP();
1826 break;
1827
1828 case 0x52: /* "SYSVARS" - GET LIST OF LISTS */
1829 TRACE(int21,"SYSVARS - GET LIST OF LISTS\n");
1830 {
1831 SEGPTR lol;
1832 lol = INT21_GetListOfLists();
1833 ES_reg(context) = HIWORD(lol);
1834 BX_reg(context) = LOWORD(lol);
1835 }
1836 break;
1837
1838 case 0x56: /* "RENAME" - RENAME FILE */
1839 TRACE(int21,"RENAME %s to %s\n",
1840 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context),EDX_reg(context)),
1841 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, ES_reg(context),EDI_reg(context)));
1842 bSetDOSExtendedError =
1843 (!MoveFile32A( CTX_SEG_OFF_TO_LIN(context, DS_reg(context),EDX_reg(context)),
1844 CTX_SEG_OFF_TO_LIN(context, ES_reg(context),EDI_reg(context))));
1845 break;
1846
1847 case 0x57: /* FILE DATE AND TIME */
1848 switch (AL_reg(context))
1849 {
1850 case 0x00: /* Get */
1851 {
1852 FILETIME filetime;
1853 TRACE(int21,"GET FILE DATE AND TIME for handle %d\n",
1854 BX_reg(context));
1855 if (!GetFileTime( FILE_GetHandle32(BX_reg(context)), NULL, NULL, &filetime ))
1856 bSetDOSExtendedError = TRUE;
1857 else FileTimeToDosDateTime( &filetime, &DX_reg(context),
1858 &CX_reg(context) );
1859 }
1860 break;
1861
1862 case 0x01: /* Set */
1863 {
1864 FILETIME filetime;
1865 TRACE(int21,"SET FILE DATE AND TIME for handle %d\n",
1866 BX_reg(context));
1867 DosDateTimeToFileTime( DX_reg(context), CX_reg(context),
1868 &filetime );
1869 bSetDOSExtendedError =
1870 (!SetFileTime( FILE_GetHandle32(BX_reg(context)),
1871 NULL, NULL, &filetime ));
1872 }
1873 break;
1874 }
1875 break;
1876
1877 case 0x58: /* GET OR SET MEMORY/UMB ALLOCATION STRATEGY */
1878 TRACE(int21,"GET OR SET MEMORY/UMB ALLOCATION STRATEGY subfunction %d\n",
1879 AL_reg(context));
1880 switch (AL_reg(context))
1881 {
1882 case 0x00:
1883 AX_reg(context) = 1;
1884 break;
1885 case 0x02:
1886 AX_reg(context) = 0;
1887 break;
1888 case 0x01:
1889 case 0x03:
1890 break;
1891 }
1892 RESET_CFLAG(context);
1893 break;
1894
1895 case 0x5a: /* CREATE TEMPORARY FILE */
1896 TRACE(int21,"CREATE TEMPORARY FILE\n");
1897 bSetDOSExtendedError = !INT21_CreateTempFile(context);
1898 break;
1899
1900 case 0x5b: /* CREATE NEW FILE */
1901 TRACE(int21,"CREATE NEW FILE 0x%02x for %s\n", CX_reg(context),
1902 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context)));
1903 bSetDOSExtendedError = ((AX_reg(context) =
1904 _lcreat16_uniq( CTX_SEG_OFF_TO_LIN(context, DS_reg(context),EDX_reg(context)), 0 ))
1905 == (WORD)HFILE_ERROR16);
1906 break;
1907
1908 case 0x5d: /* NETWORK */
1909 FIXME(int21,"Function 0x%04x not implemented.\n", AX_reg (context));
1910 /* Fix the following while you're at it. */
1911 DOS_ERROR( ER_NoNetwork, EC_NotFound, SA_Abort, EL_Network );
1912 bSetDOSExtendedError = TRUE;
1913 break;
1914
1915 case 0x5e:
1916 bSetDOSExtendedError = INT21_networkfunc (context);
1917 break;
1918
1919 case 0x5f: /* NETWORK */
1920 switch (AL_reg(context))
1921 {
1922 case 0x07: /* ENABLE DRIVE */
1923 TRACE(int21,"ENABLE DRIVE %c:\n",(DL_reg(context)+'A'));
1924 if (!DRIVE_Enable( DL_reg(context) ))
1925 {
1926 DOS_ERROR( ER_InvalidDrive, EC_MediaError, SA_Abort, EL_Disk );
1927 bSetDOSExtendedError = TRUE;
1928 }
1929 break;
1930
1931 case 0x08: /* DISABLE DRIVE */
1932 TRACE(int21,"DISABLE DRIVE %c:\n",(DL_reg(context)+'A'));
1933 if (!DRIVE_Disable( DL_reg(context) ))
1934 {
1935 DOS_ERROR( ER_InvalidDrive, EC_MediaError, SA_Abort, EL_Disk );
1936 bSetDOSExtendedError = TRUE;
1937 }
1938 break;
1939
1940 default:
1941 /* network software not installed */
1942 TRACE(int21,"NETWORK function AX=%04x not implemented\n",AX_reg(context));
1943 DOS_ERROR( ER_NoNetwork, EC_NotFound, SA_Abort, EL_Network );
1944 bSetDOSExtendedError = TRUE;
1945 break;
1946 }
1947 break;
1948
1949 case 0x60: /* "TRUENAME" - CANONICALIZE FILENAME OR PATH */
1950 TRACE(int21,"TRUENAME %s\n",
1951 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context),ESI_reg(context)));
1952 {
1953 if (!GetFullPathName32A( CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
1954 ESI_reg(context)), 128,
1955 CTX_SEG_OFF_TO_LIN(context, ES_reg(context),
1956 EDI_reg(context)),NULL))
1957 bSetDOSExtendedError = TRUE;
1958 else AX_reg(context) = 0;
1959 }
1960 break;
1961
1962 case 0x61: /* UNUSED */
1963 case 0x63: /* misc. language support */
1964 switch (AL_reg(context)) {
1965 case 0x00: /* GET DOUBLE BYTE CHARACTER SET LEAD-BYTE TABLE */
1966 INT21_GetDBCSLeadTable(context);
1967 break;
1968 }
1969 break;
1970 case 0x64: /* OS/2 DOS BOX */
1971 INT_BARF( context, 0x21 );
1972 SET_CFLAG(context);
1973 break;
1974
1975 case 0x65:{/* GET EXTENDED COUNTRY INFORMATION */
1976 extern WORD WINE_LanguageId;
1977 BYTE *dataptr=CTX_SEG_OFF_TO_LIN(context, ES_reg(context),EDI_reg(context));
1978 TRACE(int21,"GET EXTENDED COUNTRY INFORMATION code page %d country %d\n",
1979 BX_reg(context), DX_reg(context));
1980 switch (AL_reg(context)) {
1981 case 0x01:
1982 TRACE(int21,"\tget general internationalization info\n");
1983 dataptr[0] = 0x1;
1984 *(WORD*)(dataptr+1) = 41;
1985 *(WORD*)(dataptr+3) = WINE_LanguageId;
1986 *(WORD*)(dataptr+5) = CodePage;
1987 *(DWORD*)(dataptr+0x19) = 0; /* FIXME: ptr to case map routine */
1988 break;
1989 case 0x06:
1990 TRACE(int21,"\tget pointer to collating sequence table\n");
1991 dataptr[0] = 0x06;
1992 *(DWORD*)(dataptr+1) = MAKELONG(DOSMEM_CollateTable & 0xFFFF,DOSMEM_AllocSelector(DOSMEM_CollateTable>>16));
1993 CX_reg(context) = 258;/*FIXME: size of table?*/
1994 break;
1995 default:
1996 TRACE(int21,"\tunimplemented function %d\n",AL_reg(context));
1997 INT_BARF( context, 0x21 );
1998 SET_CFLAG(context);
1999 break;
2000 }
2001 break;
2002 }
2003 case 0x66: /* GLOBAL CODE PAGE TABLE */
2004 switch (AL_reg(context))
2005 {
2006 case 0x01:
2007 TRACE(int21,"GET GLOBAL CODE PAGE TABLE\n");
2008 DX_reg(context) = BX_reg(context) = CodePage;
2009 RESET_CFLAG(context);
2010 break;
2011 case 0x02:
2012 TRACE(int21,"SET GLOBAL CODE PAGE TABLE active page %d system page %d\n",
2013 BX_reg(context),DX_reg(context));
2014 CodePage = BX_reg(context);
2015 RESET_CFLAG(context);
2016 break;
2017 }
2018 break;
2019
2020 case 0x67: /* SET HANDLE COUNT */
2021 TRACE(int21,"SET HANDLE COUNT to %d\n",BX_reg(context) );
2022 SetHandleCount16( BX_reg(context) );
2023 if (DOS_ExtendedError) bSetDOSExtendedError = TRUE;
2024 break;
2025
2026 case 0x68: /* "FFLUSH" - COMMIT FILE */
2027 case 0x6a: /* COMMIT FILE */
2028 TRACE(int21,"FFLUSH/COMMIT handle %d\n",BX_reg(context));
2029 bSetDOSExtendedError = (!FlushFileBuffers( FILE_GetHandle32(BX_reg(context)) ));
2030 break;
2031
2032 case 0x69: /* DISK SERIAL NUMBER */
2033 switch (AL_reg(context))
2034 {
2035 case 0x00:
2036 TRACE(int21,"GET DISK SERIAL NUMBER for drive %s\n",
2037 INT21_DriveName(BL_reg(context)));
2038 if (!INT21_GetDiskSerialNumber(context)) bSetDOSExtendedError = TRUE;
2039 else AX_reg(context) = 0;
2040 break;
2041
2042 case 0x01:
2043 TRACE(int21,"SET DISK SERIAL NUMBER for drive %s\n",
2044 INT21_DriveName(BL_reg(context)));
2045 if (!INT21_SetDiskSerialNumber(context)) bSetDOSExtendedError = TRUE;
2046 else AX_reg(context) = 1;
2047 break;
2048 }
2049 break;
2050
2051 case 0x6C: /* Extended Open/Create*/
2052 TRACE(int21,"EXTENDED OPEN/CREATE %s\n",
2053 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDI_reg(context)));
2054 bSetDOSExtendedError = INT21_ExtendedOpenCreateFile(context);
2055 break;
2056
2057 case 0x71: /* MS-DOS 7 (Windows95) - LONG FILENAME FUNCTIONS */
2058 if ((GetVersion32()&0xC0000004)!=0xC0000004) {
2059 /* not supported on anything but Win95 */
2060 TRACE(int21,"LONG FILENAME functions supported only by win95\n");
2061 SET_CFLAG(context);
2062 AL_reg(context) = 0;
2063 } else
2064 switch(AL_reg(context))
2065 {
2066 case 0x39: /* Create directory */
2067 TRACE(int21,"LONG FILENAME - MAKE DIRECTORY %s\n",
2068 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context),EDX_reg(context)));
2069 bSetDOSExtendedError = (!CreateDirectory32A(
2070 CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
2071 EDX_reg(context) ), NULL));
2072 break;
2073 case 0x3a: /* Remove directory */
2074 TRACE(int21,"LONG FILENAME - REMOVE DIRECTORY %s\n",
2075 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context),EDX_reg(context)));
2076 bSetDOSExtendedError = (!RemoveDirectory32A(
2077 CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
2078 EDX_reg(context) )));
2079 break;
2080 case 0x43: /* Get/Set file attributes */
2081 TRACE(int21,"LONG FILENAME -EXTENDED GET/SET FILE ATTRIBUTES %s\n",
2082 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context),EDX_reg(context)));
2083 switch (BL_reg(context))
2084 {
2085 case 0x00: /* Get file attributes */
2086 TRACE(int21,"\tretrieve attributes\n");
2087 CX_reg(context) = (WORD)GetFileAttributes32A(
2088 CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
2089 EDX_reg(context)));
2090 if (CX_reg(context) == 0xffff) bSetDOSExtendedError = TRUE;
2091 break;
2092 case 0x01:
2093 TRACE(int21,"\tset attributes 0x%04x\n",CX_reg(context));
2094 bSetDOSExtendedError = (!SetFileAttributes32A(
2095 CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
2096 EDX_reg(context)),
2097 CX_reg(context) ) );
2098 break;
2099 default:
2100 FIXME(int21, "Unimplemented long file name function:\n");
2101 INT_BARF( context, 0x21 );
2102 SET_CFLAG(context);
2103 AL_reg(context) = 0;
2104 break;
2105 }
2106 break;
2107 case 0x47: /* Get current directory */
2108 TRACE(int21," LONG FILENAME - GET CURRENT DIRECTORY for drive %s\n",
2109 INT21_DriveName(DL_reg(context)));
2110 bSetDOSExtendedError = !INT21_GetCurrentDirectory(context);
2111 break;
2112
2113 case 0x4e: /* Find first file */
2114 TRACE(int21," LONG FILENAME - FIND FIRST MATCHING FILE for %s\n",
2115 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context),EDX_reg(context)));
2116 /* FIXME: use attributes in CX */
2117 if ((AX_reg(context) = FindFirstFile16(
2118 CTX_SEG_OFF_TO_LIN(context, DS_reg(context),EDX_reg(context)),
2119 (WIN32_FIND_DATA32A *)CTX_SEG_OFF_TO_LIN(context, ES_reg(context),
2120 EDI_reg(context))))
2121 == INVALID_HANDLE_VALUE16)
2122 bSetDOSExtendedError = TRUE;
2123 break;
2124 case 0x4f: /* Find next file */
2125 TRACE(int21,"LONG FILENAME - FIND NEXT MATCHING FILE for handle %d\n",
2126 BX_reg(context));
2127 if (!FindNextFile16( BX_reg(context),
2128 (WIN32_FIND_DATA32A *)CTX_SEG_OFF_TO_LIN(context, ES_reg(context),
2129 EDI_reg(context))))
2130 bSetDOSExtendedError = TRUE;
2131 break;
2132 case 0xa1: /* Find close */
2133 TRACE(int21,"LONG FILENAME - FINDCLOSE for handle %d\n",
2134 BX_reg(context));
2135 bSetDOSExtendedError = (!FindClose16( BX_reg(context) ));
2136 break;
2137 case 0xa0:
2138 TRACE(int21,"LONG FILENAME - GET VOLUME INFORMATION for drive %s stub\n",
2139 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context),EDX_reg(context)));
2140 break;
2141 case 0x60:
2142 switch(CL_reg(context))
2143 {
2144 case 0x01: /*Get short filename or path */
2145 if (!GetShortPathName32A
2146 ( CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
2147 ESI_reg(context)),
2148 CTX_SEG_OFF_TO_LIN(context, ES_reg(context),
2149 EDI_reg(context)), 67))
2150 bSetDOSExtendedError = TRUE;
2151 else AX_reg(context) = 0;
2152 break;
2153 case 0x02: /*Get canonical long filename or path */
2154 if (!GetFullPathName32A
2155 ( CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
2156 ESI_reg(context)), 128,
2157 CTX_SEG_OFF_TO_LIN(context, ES_reg(context),
2158 EDI_reg(context)),NULL))
2159 bSetDOSExtendedError = TRUE;
2160 else AX_reg(context) = 0;
2161 break;
2162 default:
2163 FIXME(int21, "Unimplemented long file name function:\n");
2164 INT_BARF( context, 0x21 );
2165 SET_CFLAG(context);
2166 AL_reg(context) = 0;
2167 break;
2168 }
2169 break;
2170 case 0x6c: /* Create or open file */
2171 TRACE(int21,"LONG FILENAME - CREATE OR OPEN FILE %s\n",
2172 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), ESI_reg(context)));
2173 /* translate Dos 7 action to Dos 6 action */
2174 bSetDOSExtendedError = INT21_ExtendedOpenCreateFile(context);
2175 break;
2176
2177 case 0x3b: /* Change directory */
2178 TRACE(int21,"LONG FILENAME - CHANGE DIRECTORY %s\n",
2179 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context)));
2180 if (!SetCurrentDirectory32A(CTX_SEG_OFF_TO_LIN(context,
2181 DS_reg(context),
2182 EDX_reg(context)
2183 ))
2184 ) {
2185 SET_CFLAG(context);
2186 AL_reg(context) = DOS_ExtendedError;
2187 }
2188 break;
2189 case 0x41: /* Delete file */
2190 TRACE(int21,"LONG FILENAME - DELETE FILE %s\n",
2191 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context)));
2192 if (!DeleteFile32A(CTX_SEG_OFF_TO_LIN(context,
2193 DS_reg(context),
2194 EDX_reg(context))
2195 )) {
2196 SET_CFLAG(context);
2197 AL_reg(context) = DOS_ExtendedError;
2198 }
2199 break;
2200 case 0x56: /* Move (rename) file */
2201 TRACE(int21,"LONG FILENAME - RENAME FILE %s to %s stub\n",
2202 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context)),
2203 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, ES_reg(context), EDI_reg(context)));
2204 default:
2205 FIXME(int21, "Unimplemented long file name function:\n");
2206 INT_BARF( context, 0x21 );
2207 SET_CFLAG(context);
2208 AL_reg(context) = 0;
2209 break;
2210 }
2211 break;
2212
2213 case 0x70: /* MS-DOS 7 (Windows95) - ??? (country-specific?)*/
2214 case 0x72: /* MS-DOS 7 (Windows95) - ??? */
2215 case 0x73: /* MS-DOS 7 (Windows95) - DRIVE LOCKING ??? */
2216 TRACE(int21,"windows95 function AX %04x\n",
2217 AX_reg(context));
2218 WARN(int21, " returning unimplemented\n");
2219 SET_CFLAG(context);
2220 AL_reg(context) = 0;
2221 break;
2222
2223 case 0xdc: /* CONNECTION SERVICES - GET CONNECTION NUMBER */
2224 case 0xea: /* NOVELL NETWARE - RETURN SHELL VERSION */
2225 break;
2226
2227 default:
2228 INT_BARF( context, 0x21 );
2229 break;
2230
2231 } /* END OF SWITCH */
2232
2233 if( bSetDOSExtendedError ) /* set general error condition */
2234 {
2235 AX_reg(context) = DOS_ExtendedError;
2236 SET_CFLAG(context);
2237 }
2238
2239 if ((EFL_reg(context) & 0x0001))
2240 TRACE(int21, "failed, errorcode 0x%02x class 0x%02x action 0x%02x locus %02x\n",
2241 DOS_ExtendedError, DOS_ErrorClass, DOS_ErrorAction, DOS_ErrorLocus);
2242
2243 TRACE(int21, "returning: AX=%04x BX=%04x CX=%04x DX=%04x "
2244 "SI=%04x DI=%04x DS=%04x ES=%04x EFL=%08lx\n",
2245 AX_reg(context), BX_reg(context), CX_reg(context),
2246 DX_reg(context), SI_reg(context), DI_reg(context),
2247 (WORD)DS_reg(context), (WORD)ES_reg(context),
2248 EFL_reg(context));
2249 }
2250
2251 FARPROC16 WINAPI GetSetKernelDOSProc(FARPROC16 DosProc)
2252 {
2253 FIXME(int21, "(DosProc=0x%08x): stub\n", (UINT32)DosProc);
2254 return NULL;
2255 }
2256
Windows API implementation