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Fixed segmented/linear buffers manipulation.
[wine/multimedia.git] / msdos / int21.c
blobfb1b3432802755826fc7acf8c3830f9ea5011af9
1 /*
2 * DOS interrupt 21h handler
3 */
4
5 #include "config.h"
6
7 #include <time.h>
8 #include <fcntl.h>
9 #include <errno.h>
10 #include <stdlib.h>
11 #ifdef HAVE_SYS_FILE_H
12 # include <sys/file.h>
13 #endif
14 #include <string.h>
15 #include <sys/stat.h>
16 #include <sys/time.h>
17 #include <sys/types.h>
18 #include <unistd.h>
19 #include <utime.h>
20 #include <ctype.h>
21 #include "windef.h"
22 #include "winbase.h"
23 #include "wingdi.h"
24 #include "winuser.h" /* SW_NORMAL */
25 #include "wine/winbase16.h"
26 #include "winerror.h"
27 #include "drive.h"
28 #include "file.h"
29 #include "heap.h"
30 #include "msdos.h"
31 #include "ldt.h"
32 #include "task.h"
33 #include "options.h"
34 #include "miscemu.h"
35 #include "dosexe.h" /* for the MZ_SUPPORTED define */
36 #include "module.h"
37 #include "debugtools.h"
38 #include "console.h"
39
40 DEFAULT_DEBUG_CHANNEL(int21)
41 #if defined(__svr4__) || defined(_SCO_DS)
42 /* SVR4 DOESNT do locking the same way must implement properly */
43 #define LOCK_EX 0
44 #define LOCK_SH 1
45 #define LOCK_NB 8
46 #endif
47
48
49 #define DOS_GET_DRIVE(reg) ((reg) ? (reg) - 1 : DRIVE_GetCurrentDrive())
50
51 /* Define the drive parameter block, as used by int21/1F
52 * and int21/32. This table can be accessed through the
53 * global 'dpb' pointer, which points into the local dos
54 * heap.
55 */
56 struct DPB
57 {
58 BYTE drive_num; /* 0=A, etc. */
59 BYTE unit_num; /* Drive's unit number (?) */
60 WORD sector_size; /* Sector size in bytes */
61 BYTE high_sector; /* Highest sector in a cluster */
62 BYTE shift; /* Shift count (?) */
63 WORD reserved; /* Number of reserved sectors at start */
64 BYTE num_FAT; /* Number of FATs */
65 WORD dir_entries; /* Number of root dir entries */
66 WORD first_data; /* First data sector */
67 WORD high_cluster; /* Highest cluster number */
68 WORD sectors_in_FAT; /* Number of sectors per FAT */
69 WORD start_dir; /* Starting sector of first dir */
70 DWORD driver_head; /* Address of device driver header (?) */
71 BYTE media_ID; /* Media ID */
72 BYTE access_flag; /* Prev. accessed flag (0=yes,0xFF=no) */
73 DWORD next; /* Pointer to next DPB in list */
74 WORD free_search; /* Free cluster search start */
75 WORD free_clusters; /* Number of free clusters (0xFFFF=unknown) */
76 };
77
78 WORD CodePage = 437;
79 DWORD dpbsegptr;
80
81 struct DosHeap {
82 BYTE InDosFlag;
83 BYTE mediaID;
84 BYTE biosdate[8];
85 struct DPB dpb;
86 BYTE DummyDBCSLeadTable[6];
87 };
88 static struct DosHeap *heap;
89 static WORD DosHeapHandle;
90
91 extern char TempDirectory[];
92
93 static BOOL INT21_CreateHeap(void)
94 {
95 if (!(DosHeapHandle = GlobalAlloc16(GMEM_FIXED,sizeof(struct DosHeap))))
96 {
97 WARN("Out of memory\n");
98 return FALSE;
99 }
100 heap = (struct DosHeap *) GlobalLock16(DosHeapHandle);
101 dpbsegptr = PTR_SEG_OFF_TO_SEGPTR(DosHeapHandle,(int)&heap->dpb-(int)heap);
102 heap->InDosFlag = 0;
103 strcpy(heap->biosdate, "01/01/80");
104 memset(heap->DummyDBCSLeadTable, 0, 6);
105 return TRUE;
106 }
107
108 static BYTE *GetCurrentDTA( CONTEXT86 *context )
109 {
110 TDB *pTask = (TDB *)GlobalLock16( GetCurrentTask() );
111
112 /* FIXME: This assumes DTA was set correctly! */
113 return (BYTE *)CTX_SEG_OFF_TO_LIN( context, SELECTOROF(pTask->dta),
114 (DWORD)OFFSETOF(pTask->dta) );
115 }
116
117
118 void CreateBPB(int drive, BYTE *data, BOOL16 limited)
119 /* limited == TRUE is used with INT 0x21/0x440d */
120 {
121 if (drive > 1) {
122 setword(data, 512);
123 data[2] = 2;
124 setword(&data[3], 0);
125 data[5] = 2;
126 setword(&data[6], 240);
127 setword(&data[8], 64000);
128 data[0x0a] = 0xf8;
129 setword(&data[0x0b], 40);
130 setword(&data[0x0d], 56);
131 setword(&data[0x0f], 2);
132 setword(&data[0x11], 0);
133 if (!limited) {
134 setword(&data[0x1f], 800);
135 data[0x21] = 5;
136 setword(&data[0x22], 1);
137 }
138 } else { /* 1.44mb */
139 setword(data, 512);
140 data[2] = 2;
141 setword(&data[3], 0);
142 data[5] = 2;
143 setword(&data[6], 240);
144 setword(&data[8], 2880);
145 data[0x0a] = 0xf8;
146 setword(&data[0x0b], 6);
147 setword(&data[0x0d], 18);
148 setword(&data[0x0f], 2);
149 setword(&data[0x11], 0);
150 if (!limited) {
151 setword(&data[0x1f], 80);
152 data[0x21] = 7;
153 setword(&data[0x22], 2);
154 }
155 }
156 }
157
158 static int INT21_GetFreeDiskSpace( CONTEXT86 *context )
159 {
160 DWORD cluster_sectors, sector_bytes, free_clusters, total_clusters;
161 char root[] = "A:\\";
162
163 *root += DOS_GET_DRIVE( DL_reg(context) );
164 if (!GetDiskFreeSpaceA( root, &cluster_sectors, &sector_bytes,
165 &free_clusters, &total_clusters )) return 0;
166 AX_reg(context) = cluster_sectors;
167 BX_reg(context) = free_clusters;
168 CX_reg(context) = sector_bytes;
169 DX_reg(context) = total_clusters;
170 return 1;
171 }
172
173 static int INT21_GetDriveAllocInfo( CONTEXT86 *context )
174 {
175 if (!INT21_GetFreeDiskSpace( context )) return 0;
176 if (!heap && !INT21_CreateHeap()) return 0;
177 heap->mediaID = 0xf0;
178 DS_reg(context) = DosHeapHandle;
179 BX_reg(context) = (int)&heap->mediaID - (int)heap;
180 return 1;
181 }
182
183 static void GetDrivePB( CONTEXT86 *context, int drive )
184 {
185 if(!DRIVE_IsValid(drive))
186 {
187 SetLastError( ERROR_INVALID_DRIVE );
188 AX_reg(context) = 0x00ff;
189 }
190 else if (heap || INT21_CreateHeap())
191 {
192 FIXME("GetDrivePB not fully implemented.\n");
193
194 /* FIXME: I have no idea what a lot of this information should
195 * say or whether it even really matters since we're not allowing
196 * direct block access. However, some programs seem to depend on
197 * getting at least _something_ back from here. The 'next' pointer
198 * does worry me, though. Should we have a complete table of
199 * separate DPBs per drive? Probably, but I'm lazy. :-) -CH
200 */
201 heap->dpb.drive_num = heap->dpb.unit_num = drive; /*The same?*/
202 heap->dpb.sector_size = 512;
203 heap->dpb.high_sector = 1;
204 heap->dpb.shift = drive < 2 ? 0 : 6; /*6 for HD, 0 for floppy*/
205 heap->dpb.reserved = 0;
206 heap->dpb.num_FAT = 1;
207 heap->dpb.dir_entries = 2;
208 heap->dpb.first_data = 2;
209 heap->dpb.high_cluster = 64000;
210 heap->dpb.sectors_in_FAT = 1;
211 heap->dpb.start_dir = 1;
212 heap->dpb.driver_head = 0;
213 heap->dpb.media_ID = (drive > 1) ? 0xF8 : 0xF0;
214 heap->dpb.access_flag = 0;
215 heap->dpb.next = 0;
216 heap->dpb.free_search = 0;
217 heap->dpb.free_clusters = 0xFFFF; /* unknown */
218
219 AL_reg(context) = 0x00;
220 DS_reg(context) = SELECTOROF(dpbsegptr);
221 BX_reg(context) = OFFSETOF(dpbsegptr);
222 }
223 }
224
225
226 static void ioctlGetDeviceInfo( CONTEXT86 *context )
227 {
228 int curr_drive;
229 const DOS_DEVICE *dev;
230
231 TRACE("(%d)\n", BX_reg(context));
232
233 RESET_CFLAG(context);
234
235 /* DOS device ? */
236 if ((dev = DOSFS_GetDeviceByHandle( FILE_GetHandle(BX_reg(context)) )))
237 {
238 DX_reg(context) = dev->flags;
239 return;
240 }
241
242 /* it seems to be a file */
243 curr_drive = DRIVE_GetCurrentDrive();
244 DX_reg(context) = 0x0140 + curr_drive + ((curr_drive > 1) ? 0x0800 : 0);
245 /* no floppy */
246 /* bits 0-5 are current drive
247 * bit 6 - file has NOT been written..FIXME: correct?
248 * bit 8 - generate int24 if no diskspace on write/ read past end of file
249 * bit 11 - media not removable
250 * bit 14 - don't set file date/time on closing
251 * bit 15 - file is remote
252 */
253 }
254
255 static BOOL ioctlGenericBlkDevReq( CONTEXT86 *context )
256 {
257 BYTE *dataptr = CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context));
258 int drive = DOS_GET_DRIVE( BL_reg(context) );
259
260 if (!DRIVE_IsValid(drive))
261 {
262 SetLastError( ERROR_FILE_NOT_FOUND );
263 return TRUE;
264 }
265
266 if (CH_reg(context) != 0x08)
267 {
268 INT_BARF( context, 0x21 );
269 return FALSE;
270 }
271
272 switch (CL_reg(context))
273 {
274 case 0x4a: /* lock logical volume */
275 TRACE("lock logical volume (%d) level %d mode %d\n",drive,BH_reg(context),DX_reg(context));
276 break;
277
278 case 0x60: /* get device parameters */
279 /* used by w4wgrp's winfile */
280 memset(dataptr, 0, 0x20); /* DOS 6.22 uses 0x20 bytes */
281 dataptr[0] = 0x04;
282 dataptr[6] = 0; /* media type */
283 if (drive > 1)
284 {
285 dataptr[1] = 0x05; /* fixed disk */
286 setword(&dataptr[2], 0x01); /* non removable */
287 setword(&dataptr[4], 0x300); /* # of cylinders */
288 }
289 else
290 {
291 dataptr[1] = 0x07; /* block dev, floppy */
292 setword(&dataptr[2], 0x02); /* removable */
293 setword(&dataptr[4], 80); /* # of cylinders */
294 }
295 CreateBPB(drive, &dataptr[7], TRUE);
296 RESET_CFLAG(context);
297 break;
298
299 case 0x41: /* write logical device track */
300 case 0x61: /* read logical device track */
301 {
302 BYTE drive = BL_reg(context) ?
303 BL_reg(context) : DRIVE_GetCurrentDrive();
304 WORD head = *(WORD *)dataptr+1;
305 WORD cyl = *(WORD *)dataptr+3;
306 WORD sect = *(WORD *)dataptr+5;
307 WORD nrsect = *(WORD *)dataptr+7;
308 BYTE *data = (BYTE *)dataptr+9;
309 int (*raw_func)(BYTE, DWORD, DWORD, BYTE *, BOOL);
310
311 raw_func = (CL_reg(context) == 0x41) ?
312 DRIVE_RawWrite : DRIVE_RawRead;
313
314 if (raw_func(drive, head*cyl*sect, nrsect, data, FALSE))
315 RESET_CFLAG(context);
316 else
317 {
318 AX_reg(context) = 0x1e; /* read fault */
319 SET_CFLAG(context);
320 }
321 }
322 break;
323 case 0x66:/* get disk serial number */
324 {
325 char label[12],fsname[9],path[4];
326 DWORD serial;
327
328 strcpy(path,"x:\\");path[0]=drive+'A';
329 GetVolumeInformationA(
330 path,label,12,&serial,NULL,NULL,fsname,9
331 );
332 *(WORD*)dataptr = 0;
333 memcpy(dataptr+2,&serial,4);
334 memcpy(dataptr+6,label ,11);
335 memcpy(dataptr+17,fsname,8);
336 }
337 break;
338
339 case 0x6a:
340 TRACE("logical volume %d unlocked.\n",drive);
341 break;
342
343 case 0x6f:
344 memset(dataptr+1, '\0', dataptr[0]-1);
345 dataptr[1] = dataptr[0];
346 dataptr[2] = 0x07; /* protected mode driver; no eject; no notification */
347 dataptr[3] = 0xFF; /* no physical drive */
348 break;
349
350 case 0x72:
351 /* Trail on error implementation */
352 AX_reg(context) = GetDriveType16(BL_reg(context)) == DRIVE_CANNOTDETERMINE ? 0x0f : 0x01;
353 SET_CFLAG(context); /* Seems to be set all the time */
354 break;
355
356 default:
357 INT_BARF( context, 0x21 );
358 }
359 return FALSE;
360 }
361
362 static void INT21_ParseFileNameIntoFCB( CONTEXT86 *context )
363 {
364 char *filename =
365 CTX_SEG_OFF_TO_LIN(context, DS_reg(context), ESI_reg(context) );
366 char *fcb =
367 CTX_SEG_OFF_TO_LIN(context, ES_reg(context), EDI_reg(context) );
368 char *buffer, *s, *d;
369
370 AL_reg(context) = 0xff; /* failed */
371
372 TRACE("filename: '%s'\n", filename);
373
374 buffer = HeapAlloc( GetProcessHeap(), 0, strlen(filename) + 1);
375
376 s = filename;
377 d = buffer;
378 while (*s)
379 {
380 if ((*s != ' ') && (*s != '\r') && (*s != '\n'))
381 *d++ = *s++;
382 else
383 break;
384 }
385
386 *d = '\0';
387 DOSFS_ToDosFCBFormat(buffer, fcb + 1);
388 *fcb = 0;
389 TRACE("FCB: '%s'\n", ((CHAR *)fcb + 1));
390
391 HeapFree( GetProcessHeap(), 0, buffer);
392
393 AL_reg(context) =
394 ((strchr(filename, '*')) || (strchr(filename, '$'))) != 0;
395
396 /* point DS:SI to first unparsed character */
397 SI_reg(context) += (int)s - (int)filename;
398 }
399
400 static void INT21_GetSystemDate( CONTEXT86 *context )
401 {
402 SYSTEMTIME systime;
403 GetLocalTime( &systime );
404 CX_reg(context) = systime.wYear;
405 DX_reg(context) = (systime.wMonth << 8) | systime.wDay;
406 AX_reg(context) = systime.wDayOfWeek;
407 }
408
409 static void INT21_GetSystemTime( CONTEXT86 *context )
410 {
411 SYSTEMTIME systime;
412 GetLocalTime( &systime );
413 CX_reg(context) = (systime.wHour << 8) | systime.wMinute;
414 DX_reg(context) = (systime.wSecond << 8) | (systime.wMilliseconds / 10);
415 }
416
417 /* Many calls translate a drive argument like this:
418 drive number (00h = default, 01h = A:, etc)
419 */
420 static char drivestring[]="default";
421
422 char *INT21_DriveName(int drive)
423 {
424
425 if(drive >0)
426 {
427 drivestring[0]= (unsigned char)drive + '@';
428 drivestring[1]=':';
429 drivestring[2]=0;
430 }
431 return drivestring;
432 }
433 static BOOL INT21_CreateFile( CONTEXT86 *context )
434 {
435 AX_reg(context) = _lcreat16( CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
436 EDX_reg(context) ), CX_reg(context) );
437 return (AX_reg(context) == (WORD)HFILE_ERROR16);
438 }
439
440 static HFILE16 _lcreat16_uniq( LPCSTR path, INT attr )
441 {
442 /* Mask off all flags not explicitly allowed by the doc */
443 attr &= FILE_ATTRIBUTE_READONLY | FILE_ATTRIBUTE_HIDDEN | FILE_ATTRIBUTE_SYSTEM;
444 return FILE_AllocDosHandle( CreateFileA( path, GENERIC_READ | GENERIC_WRITE,
445 FILE_SHARE_READ | FILE_SHARE_WRITE, NULL,
446 CREATE_NEW, attr, -1 ));
447 }
448
449 static void OpenExistingFile( CONTEXT86 *context )
450 {
451 AX_reg(context) = _lopen16( CTX_SEG_OFF_TO_LIN(context, DS_reg(context),EDX_reg(context)),
452 AL_reg(context) );
453 if (AX_reg(context) == (WORD)HFILE_ERROR16)
454 {
455 AX_reg(context) = GetLastError();
456 SET_CFLAG(context);
457 }
458 }
459
460 static BOOL INT21_ExtendedOpenCreateFile(CONTEXT86 *context )
461 {
462 BOOL bExtendedError = FALSE;
463 BYTE action = DL_reg(context);
464
465 /* Shuffle arguments to call OpenExistingFile */
466 AL_reg(context) = BL_reg(context);
467 DX_reg(context) = SI_reg(context);
468 /* BX,CX and DX should be preserved */
469 OpenExistingFile(context);
470
471 if ((EFL_reg(context) & 0x0001) == 0) /* File exists */
472 {
473 UINT16 uReturnCX = 0;
474
475 /* Now decide what do do */
476
477 if ((action & 0x07) == 0)
478 {
479 _lclose16( AX_reg(context) );
480 AX_reg(context) = 0x0050; /*File exists*/
481 SET_CFLAG(context);
482 WARN("extended open/create: failed because file exists \n");
483 }
484 else if ((action & 0x07) == 2)
485 {
486 /* Truncate it, but first check if opened for write */
487 if ((BL_reg(context) & 0x0007)== 0)
488 {
489 _lclose16( AX_reg(context) );
490 WARN("extended open/create: failed, trunc on ro file\n");
491 AX_reg(context) = 0x000C; /*Access code invalid*/
492 SET_CFLAG(context);
493 }
494 else
495 {
496 TRACE("extended open/create: Closing before truncate\n");
497 if (_lclose16( AX_reg(context) ))
498 {
499 WARN("extended open/create: close before trunc failed\n");
500 AX_reg(context) = 0x0019; /*Seek Error*/
501 CX_reg(context) = 0;
502 SET_CFLAG(context);
503 }
504 /* Shuffle arguments to call CreateFile */
505
506 TRACE("extended open/create: Truncating\n");
507 AL_reg(context) = BL_reg(context);
508 /* CX is still the same */
509 DX_reg(context) = SI_reg(context);
510 bExtendedError = INT21_CreateFile(context);
511
512 if (EFL_reg(context) & 0x0001) /*no file open, flags set */
513 {
514 WARN("extended open/create: trunc failed\n");
515 return bExtendedError;
516 }
517 uReturnCX = 0x3;
518 }
519 }
520 else uReturnCX = 0x1;
521
522 CX_reg(context) = uReturnCX;
523 }
524 else /* file does not exist */
525 {
526 RESET_CFLAG(context); /* was set by OpenExistingFile(context) */
527 if ((action & 0xF0)== 0)
528 {
529 CX_reg(context) = 0;
530 SET_CFLAG(context);
531 WARN("extended open/create: failed, file dosen't exist\n");
532 }
533 else
534 {
535 /* Shuffle arguments to call CreateFile */
536 TRACE("extended open/create: Creating\n");
537 AL_reg(context) = BL_reg(context);
538 /* CX should still be the same */
539 DX_reg(context) = SI_reg(context);
540 bExtendedError = INT21_CreateFile(context);
541 if (EFL_reg(context) & 0x0001) /*no file open, flags set */
542 {
543 WARN("extended open/create: create failed\n");
544 return bExtendedError;
545 }
546 CX_reg(context) = 2;
547 }
548 }
549
550 return bExtendedError;
551 }
552
553
554 static BOOL INT21_ChangeDir( CONTEXT86 *context )
555 {
556 int drive;
557 char *dirname = CTX_SEG_OFF_TO_LIN(context, DS_reg(context),EDX_reg(context));
558
559 TRACE("changedir %s\n", dirname);
560 if (dirname[0] && (dirname[1] == ':'))
561 {
562 drive = toupper(dirname[0]) - 'A';
563 dirname += 2;
564 }
565 else drive = DRIVE_GetCurrentDrive();
566 return DRIVE_Chdir( drive, dirname );
567 }
568
569
570 static int INT21_FindFirst( CONTEXT86 *context )
571 {
572 char *p;
573 const char *path;
574 DOS_FULL_NAME full_name;
575 FINDFILE_DTA *dta = (FINDFILE_DTA *)GetCurrentDTA(context);
576
577 path = (const char *)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context));
578 dta->unixPath = NULL;
579 if (!DOSFS_GetFullName( path, FALSE, &full_name ))
580 {
581 AX_reg(context) = GetLastError();
582 SET_CFLAG(context);
583 return 0;
584 }
585 dta->unixPath = HEAP_strdupA( GetProcessHeap(), 0, full_name.long_name );
586 p = strrchr( dta->unixPath, '/' );
587 *p = '\0';
588
589 /* Note: terminating NULL in dta->mask overwrites dta->search_attr
590 * (doesn't matter as it is set below anyway)
591 */
592 if (!DOSFS_ToDosFCBFormat( p + 1, dta->mask ))
593 {
594 HeapFree( GetProcessHeap(), 0, dta->unixPath );
595 dta->unixPath = NULL;
596 SetLastError( ERROR_FILE_NOT_FOUND );
597 AX_reg(context) = ERROR_FILE_NOT_FOUND;
598 SET_CFLAG(context);
599 return 0;
600 }
601 dta->drive = (path[0] && (path[1] == ':')) ? toupper(path[0]) - 'A'
602 : DRIVE_GetCurrentDrive();
603 dta->count = 0;
604 dta->search_attr = CL_reg(context);
605 return 1;
606 }
607
608
609 static int INT21_FindNext( CONTEXT86 *context )
610 {
611 FINDFILE_DTA *dta = (FINDFILE_DTA *)GetCurrentDTA(context);
612 WIN32_FIND_DATAA entry;
613 int count;
614
615 if (!dta->unixPath) return 0;
616 if (!(count = DOSFS_FindNext( dta->unixPath, dta->mask, NULL, dta->drive,
617 dta->search_attr, dta->count, &entry )))
618 {
619 HeapFree( GetProcessHeap(), 0, dta->unixPath );
620 dta->unixPath = NULL;
621 return 0;
622 }
623 if ((int)dta->count + count > 0xffff)
624 {
625 WARN("Too many directory entries in %s\n", dta->unixPath );
626 HeapFree( GetProcessHeap(), 0, dta->unixPath );
627 dta->unixPath = NULL;
628 return 0;
629 }
630 dta->count += count;
631 dta->fileattr = entry.dwFileAttributes;
632 dta->filesize = entry.nFileSizeLow;
633 FileTimeToDosDateTime( &entry.ftLastWriteTime,
634 &dta->filedate, &dta->filetime );
635 strcpy( dta->filename, entry.cAlternateFileName );
636 if (!memchr(dta->mask,'?',11)) {
637 /* wildcardless search, release resources in case no findnext will
638 * be issued, and as a workaround in case file creation messes up
639 * findnext, as sometimes happens with pkunzip */
640 HeapFree( GetProcessHeap(), 0, dta->unixPath );
641 dta->unixPath = NULL;
642 }
643 return 1;
644 }
645
646
647 static BOOL INT21_CreateTempFile( CONTEXT86 *context )
648 {
649 static int counter = 0;
650 char *name = CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context) );
651 char *p = name + strlen(name);
652
653 /* despite what Ralf Brown says, some programs seem to call without
654 * ending backslash (DOS accepts that, so we accept it too) */
655 if ((p == name) || (p[-1] != '\\')) *p++ = '\\';
656
657 for (;;)
658 {
659 sprintf( p, "wine%04x.%03d", (int)getpid(), counter );
660 counter = (counter + 1) % 1000;
661
662 if ((AX_reg(context) = _lcreat16_uniq( name, 0 )) != (WORD)HFILE_ERROR16)
663 {
664 TRACE("created %s\n", name );
665 return TRUE;
666 }
667 if (GetLastError() != ERROR_FILE_EXISTS) return FALSE;
668 }
669 }
670
671
672 static BOOL INT21_GetCurrentDirectory( CONTEXT86 *context )
673 {
674 int drive = DOS_GET_DRIVE( DL_reg(context) );
675 char *ptr = (char *)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), ESI_reg(context) );
676
677 if (!DRIVE_IsValid(drive))
678 {
679 SetLastError( ERROR_INVALID_DRIVE );
680 return FALSE;
681 }
682 lstrcpynA( ptr, DRIVE_GetDosCwd(drive), 64 );
683 AX_reg(context) = 0x0100; /* success return code */
684 return TRUE;
685 }
686
687
688 static void INT21_GetDBCSLeadTable( CONTEXT86 *context )
689 {
690 if (heap || INT21_CreateHeap())
691 { /* return an empty table just as DOS 4.0+ does */
692 DS_reg(context) = DosHeapHandle;
693 SI_reg(context) = (int)&heap->DummyDBCSLeadTable - (int)heap;
694 }
695 else
696 {
697 AX_reg(context) = 0x1; /* error */
698 SET_CFLAG(context);
699 }
700 }
701
702
703 static int INT21_GetDiskSerialNumber( CONTEXT86 *context )
704 {
705 BYTE *dataptr = CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context));
706 int drive = DOS_GET_DRIVE( BL_reg(context) );
707
708 if (!DRIVE_IsValid(drive))
709 {
710 SetLastError( ERROR_INVALID_DRIVE );
711 return 0;
712 }
713
714 *(WORD *)dataptr = 0;
715 *(DWORD *)(dataptr + 2) = DRIVE_GetSerialNumber( drive );
716 memcpy( dataptr + 6, DRIVE_GetLabel( drive ), 11 );
717 strncpy(dataptr + 0x11, "FAT16 ", 8);
718 return 1;
719 }
720
721
722 static int INT21_SetDiskSerialNumber( CONTEXT86 *context )
723 {
724 BYTE *dataptr = CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context));
725 int drive = DOS_GET_DRIVE( BL_reg(context) );
726
727 if (!DRIVE_IsValid(drive))
728 {
729 SetLastError( ERROR_INVALID_DRIVE );
730 return 0;
731 }
732
733 DRIVE_SetSerialNumber( drive, *(DWORD *)(dataptr + 2) );
734 return 1;
735 }
736
737
738 /* microsoft's programmers should be shot for using CP/M style int21
739 calls in Windows for Workgroup's winfile.exe */
740
741 static int INT21_FindFirstFCB( CONTEXT86 *context )
742 {
743 BYTE *fcb = (BYTE *)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context));
744 FINDFILE_FCB *pFCB;
745 LPCSTR root, cwd;
746 int drive;
747
748 if (*fcb == 0xff) pFCB = (FINDFILE_FCB *)(fcb + 7);
749 else pFCB = (FINDFILE_FCB *)fcb;
750 drive = DOS_GET_DRIVE( pFCB->drive );
751 if (!DRIVE_IsValid( drive )) return 0;
752 root = DRIVE_GetRoot( drive );
753 cwd = DRIVE_GetUnixCwd( drive );
754 pFCB->unixPath = HeapAlloc( GetProcessHeap(), 0,
755 strlen(root)+strlen(cwd)+2 );
756 if (!pFCB->unixPath) return 0;
757 strcpy( pFCB->unixPath, root );
758 strcat( pFCB->unixPath, "/" );
759 strcat( pFCB->unixPath, cwd );
760 pFCB->count = 0;
761 return 1;
762 }
763
764
765 static int INT21_FindNextFCB( CONTEXT86 *context )
766 {
767 BYTE *fcb = (BYTE *)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context));
768 FINDFILE_FCB *pFCB;
769 DOS_DIRENTRY_LAYOUT *pResult = (DOS_DIRENTRY_LAYOUT *)GetCurrentDTA(context);
770 WIN32_FIND_DATAA entry;
771 BYTE attr;
772 int count;
773
774 if (*fcb == 0xff) /* extended FCB ? */
775 {
776 attr = fcb[6];
777 pFCB = (FINDFILE_FCB *)(fcb + 7);
778 }
779 else
780 {
781 attr = 0;
782 pFCB = (FINDFILE_FCB *)fcb;
783 }
784
785 if (!pFCB->unixPath) return 0;
786 if (!(count = DOSFS_FindNext( pFCB->unixPath, pFCB->filename, NULL,
787 DOS_GET_DRIVE( pFCB->drive ), attr,
788 pFCB->count, &entry )))
789 {
790 HeapFree( GetProcessHeap(), 0, pFCB->unixPath );
791 pFCB->unixPath = NULL;
792 return 0;
793 }
794 pFCB->count += count;
795
796 if (*fcb == 0xff) { /* place extended FCB header before pResult if called with extended FCB */
797 *(BYTE *)pResult = 0xff;
798 (BYTE *)pResult +=6; /* leave reserved field behind */
799 *(BYTE *)pResult = entry.dwFileAttributes;
800 ((BYTE *)pResult)++;
801 }
802 *(BYTE *)pResult = DOS_GET_DRIVE( pFCB->drive ); /* DOS_DIRENTRY_LAYOUT after current drive number */
803 ((BYTE *)pResult)++;
804 pResult->fileattr = entry.dwFileAttributes;
805 pResult->cluster = 0; /* what else? */
806 pResult->filesize = entry.nFileSizeLow;
807 memset( pResult->reserved, 0, sizeof(pResult->reserved) );
808 FileTimeToDosDateTime( &entry.ftLastWriteTime,
809 &pResult->filedate, &pResult->filetime );
810
811 /* Convert file name to FCB format */
812
813 memset( pResult->filename, ' ', sizeof(pResult->filename) );
814 if (!strcmp( entry.cAlternateFileName, "." )) pResult->filename[0] = '.';
815 else if (!strcmp( entry.cAlternateFileName, ".." ))
816 pResult->filename[0] = pResult->filename[1] = '.';
817 else
818 {
819 char *p = strrchr( entry.cAlternateFileName, '.' );
820 if (p && p[1] && (p != entry.cAlternateFileName))
821 {
822 memcpy( pResult->filename, entry.cAlternateFileName,
823 MIN( (p - entry.cAlternateFileName), 8 ) );
824 memcpy( pResult->filename + 8, p + 1, MIN( strlen(p), 3 ) );
825 }
826 else
827 memcpy( pResult->filename, entry.cAlternateFileName,
828 MIN( strlen(entry.cAlternateFileName), 8 ) );
829 }
830 return 1;
831 }
832
833
834 static void DeleteFileFCB( CONTEXT86 *context )
835 {
836 FIXME("(%p): stub\n", context);
837 }
838
839 static void RenameFileFCB( CONTEXT86 *context )
840 {
841 FIXME("(%p): stub\n", context);
842 }
843
844
845
846 static void fLock( CONTEXT86 * context )
847 {
848
849 switch ( AX_reg(context) & 0xff )
850 {
851 case 0x00: /* LOCK */
852 TRACE("lock handle %d offset %ld length %ld\n",
853 BX_reg(context),
854 MAKELONG(DX_reg(context),CX_reg(context)),
855 MAKELONG(DI_reg(context),SI_reg(context))) ;
856 if (!LockFile(FILE_GetHandle(BX_reg(context)),
857 MAKELONG(DX_reg(context),CX_reg(context)), 0,
858 MAKELONG(DI_reg(context),SI_reg(context)), 0)) {
859 AX_reg(context) = GetLastError();
860 SET_CFLAG(context);
861 }
862 break;
863
864 case 0x01: /* UNLOCK */
865 TRACE("unlock handle %d offset %ld length %ld\n",
866 BX_reg(context),
867 MAKELONG(DX_reg(context),CX_reg(context)),
868 MAKELONG(DI_reg(context),SI_reg(context))) ;
869 if (!UnlockFile(FILE_GetHandle(BX_reg(context)),
870 MAKELONG(DX_reg(context),CX_reg(context)), 0,
871 MAKELONG(DI_reg(context),SI_reg(context)), 0)) {
872 AX_reg(context) = GetLastError();
873 SET_CFLAG(context);
874 }
875 return;
876 default:
877 AX_reg(context) = 0x0001;
878 SET_CFLAG(context);
879 return;
880 }
881 }
882
883 static BOOL
884 INT21_networkfunc (CONTEXT86 *context)
885 {
886 switch (AL_reg(context)) {
887 case 0x00: /* Get machine name. */
888 {
889 char *dst = CTX_SEG_OFF_TO_LIN (context,DS_reg(context),EDX_reg(context));
890 TRACE("getting machine name to %p\n", dst);
891 if (gethostname (dst, 15))
892 {
893 WARN("failed!\n");
894 SetLastError( ER_NoNetwork );
895 return TRUE;
896 } else {
897 int len = strlen (dst);
898 while (len < 15)
899 dst[len++] = ' ';
900 dst[15] = 0;
901 CH_reg(context) = 1; /* Valid */
902 CL_reg(context) = 1; /* NETbios number??? */
903 TRACE("returning %s\n", debugstr_an (dst, 16));
904 return FALSE;
905 }
906 }
907
908 default:
909 SetLastError( ER_NoNetwork );
910 return TRUE;
911 }
912 }
913
914 static void INT21_SetCurrentPSP(WORD psp)
915 {
916 #ifdef MZ_SUPPORTED
917 TDB *pTask = (TDB *)GlobalLock16( GetCurrentTask() );
918 NE_MODULE *pModule = pTask ? NE_GetPtr( pTask->hModule ) : NULL;
919
920 GlobalUnlock16( GetCurrentTask() );
921 if (pModule->lpDosTask)
922 pModule->lpDosTask->psp_seg = psp;
923 else
924 #endif
925 ERR("Cannot change PSP for non-DOS task!\n");
926 }
927
928 static WORD INT21_GetCurrentPSP()
929 {
930 #ifdef MZ_SUPPORTED
931 TDB *pTask = (TDB *)GlobalLock16( GetCurrentTask() );
932 NE_MODULE *pModule = pTask ? NE_GetPtr( pTask->hModule ) : NULL;
933
934 GlobalUnlock16( GetCurrentTask() );
935 if (pModule->lpDosTask)
936 return pModule->lpDosTask->psp_seg;
937 else
938 #endif
939 return GetCurrentPDB16();
940 }
941
942
943 /***********************************************************************
944 * INT21_GetExtendedError
945 */
946 static void INT21_GetExtendedError( CONTEXT86 *context )
947 {
948 BYTE class, action, locus;
949 WORD error = GetLastError();
950
951 switch(error)
952 {
953 case ERROR_SUCCESS:
954 class = action = locus = 0;
955 break;
956 case ERROR_DIR_NOT_EMPTY:
957 class = EC_Exists;
958 action = SA_Ignore;
959 locus = EL_Disk;
960 break;
961 case ERROR_ACCESS_DENIED:
962 class = EC_AccessDenied;
963 action = SA_Abort;
964 locus = EL_Disk;
965 break;
966 case ERROR_CANNOT_MAKE:
967 class = EC_AccessDenied;
968 action = SA_Abort;
969 locus = EL_Unknown;
970 break;
971 case ERROR_DISK_FULL:
972 case ERROR_HANDLE_DISK_FULL:
973 class = EC_MediaError;
974 action = SA_Abort;
975 locus = EL_Disk;
976 break;
977 case ERROR_FILE_EXISTS:
978 case ERROR_ALREADY_EXISTS:
979 class = EC_Exists;
980 action = SA_Abort;
981 locus = EL_Disk;
982 break;
983 case ERROR_FILE_NOT_FOUND:
984 class = EC_NotFound;
985 action = SA_Abort;
986 locus = EL_Disk;
987 break;
988 case ER_GeneralFailure:
989 class = EC_SystemFailure;
990 action = SA_Abort;
991 locus = EL_Unknown;
992 break;
993 case ERROR_INVALID_DRIVE:
994 class = EC_MediaError;
995 action = SA_Abort;
996 locus = EL_Disk;
997 break;
998 case ERROR_INVALID_HANDLE:
999 class = EC_ProgramError;
1000 action = SA_Abort;
1001 locus = EL_Disk;
1002 break;
1003 case ERROR_LOCK_VIOLATION:
1004 class = EC_AccessDenied;
1005 action = SA_Abort;
1006 locus = EL_Disk;
1007 break;
1008 case ERROR_NO_MORE_FILES:
1009 class = EC_MediaError;
1010 action = SA_Abort;
1011 locus = EL_Disk;
1012 break;
1013 case ER_NoNetwork:
1014 class = EC_NotFound;
1015 action = SA_Abort;
1016 locus = EL_Network;
1017 break;
1018 case ERROR_NOT_ENOUGH_MEMORY:
1019 class = EC_OutOfResource;
1020 action = SA_Abort;
1021 locus = EL_Memory;
1022 break;
1023 case ERROR_PATH_NOT_FOUND:
1024 class = EC_NotFound;
1025 action = SA_Abort;
1026 locus = EL_Disk;
1027 break;
1028 case ERROR_SEEK:
1029 class = EC_NotFound;
1030 action = SA_Ignore;
1031 locus = EL_Disk;
1032 break;
1033 case ERROR_SHARING_VIOLATION:
1034 class = EC_Temporary;
1035 action = SA_Retry;
1036 locus = EL_Disk;
1037 break;
1038 case ERROR_TOO_MANY_OPEN_FILES:
1039 class = EC_ProgramError;
1040 action = SA_Abort;
1041 locus = EL_Disk;
1042 break;
1043 default:
1044 FIXME("Unknown error %d\n", error );
1045 class = EC_SystemFailure;
1046 action = SA_Abort;
1047 locus = EL_Unknown;
1048 break;
1049 }
1050 TRACE("GET EXTENDED ERROR code 0x%02x class 0x%02x action 0x%02x locus %02x\n",
1051 error, class, action, locus );
1052 AX_reg(context) = error;
1053 BH_reg(context) = class;
1054 BL_reg(context) = action;
1055 CH_reg(context) = locus;
1056 }
1057
1058 /***********************************************************************
1059 * DOS3Call (KERNEL.102)
1060 */
1061 void WINAPI DOS3Call( CONTEXT86 *context )
1062 {
1063 BOOL bSetDOSExtendedError = FALSE;
1064
1065
1066 TRACE("AX=%04x BX=%04x CX=%04x DX=%04x "
1067 "SI=%04x DI=%04x DS=%04x ES=%04x EFL=%08lx\n",
1068 AX_reg(context), BX_reg(context), CX_reg(context), DX_reg(context),
1069 SI_reg(context), DI_reg(context),
1070 (WORD)DS_reg(context), (WORD)ES_reg(context),
1071 EFL_reg(context) );
1072
1073
1074 if (AH_reg(context) == 0x59) /* Get extended error info */
1075 {
1076 INT21_GetExtendedError( context );
1077 return;
1078 }
1079
1080 if (AH_reg(context) == 0x0C) /* Flush buffer and read standard input */
1081 {
1082 TRACE("FLUSH BUFFER AND READ STANDARD INPUT\n");
1083 /* no flush here yet */
1084 AH_reg(context) = AL_reg(context);
1085 }
1086
1087 if (AH_reg(context)>=0x2f) {
1088 /* extended error is used by (at least) functions 0x2f to 0x62 */
1089 SetLastError(0);
1090 }
1091 RESET_CFLAG(context); /* Not sure if this is a good idea */
1092
1093 switch(AH_reg(context))
1094 {
1095 case 0x03: /* READ CHARACTER FROM STDAUX */
1096 case 0x04: /* WRITE CHARACTER TO STDAUX */
1097 case 0x05: /* WRITE CHARACTER TO PRINTER */
1098 case 0x0f: /* OPEN FILE USING FCB */
1099 case 0x10: /* CLOSE FILE USING FCB */
1100 case 0x14: /* SEQUENTIAL READ FROM FCB FILE */
1101 case 0x15: /* SEQUENTIAL WRITE TO FCB FILE */
1102 case 0x16: /* CREATE OR TRUNCATE FILE USING FCB */
1103 case 0x21: /* READ RANDOM RECORD FROM FCB FILE */
1104 case 0x22: /* WRITE RANDOM RECORD TO FCB FILE */
1105 case 0x23: /* GET FILE SIZE FOR FCB */
1106 case 0x24: /* SET RANDOM RECORD NUMBER FOR FCB */
1107 case 0x26: /* CREATE NEW PROGRAM SEGMENT PREFIX */
1108 case 0x27: /* RANDOM BLOCK READ FROM FCB FILE */
1109 case 0x28: /* RANDOM BLOCK WRITE TO FCB FILE */
1110 INT_BARF( context, 0x21 );
1111 break;
1112
1113 case 0x00: /* TERMINATE PROGRAM */
1114 TRACE("TERMINATE PROGRAM\n");
1115 ExitProcess( 0 );
1116 break;
1117
1118 case 0x01: /* READ CHARACTER FROM STANDARD INPUT, WITH ECHO */
1119 TRACE("DIRECT CHARACTER INPUT WITH ECHO\n");
1120 AL_reg(context) = CONSOLE_GetCharacter();
1121 /* FIXME: no echo */
1122 break;
1123
1124 case 0x02: /* WRITE CHARACTER TO STANDARD OUTPUT */
1125 TRACE("Write Character to Standard Output\n");
1126 CONSOLE_Write(DL_reg(context), 0, 0, 0);
1127 break;
1128
1129 case 0x06: /* DIRECT CONSOLE IN/OUTPUT */
1130 if (DL_reg(context) == 0xff) {
1131 static char scan = 0;
1132 TRACE("Direct Console Input\n");
1133 if (scan) {
1134 /* return pending scancode */
1135 AL_reg(context) = scan;
1136 EFL_reg(context) &= ~0x40; /* clear ZF */
1137 scan = 0;
1138 } else {
1139 char ascii;
1140 if (CONSOLE_CheckForKeystroke(&scan,&ascii)) {
1141 CONSOLE_GetKeystroke(&scan,&ascii);
1142 /* return ASCII code */
1143 AL_reg(context) = ascii;
1144 EFL_reg(context) &= ~0x40; /* clear ZF */
1145 /* return scan code on next call only if ascii==0 */
1146 if (ascii) scan = 0;
1147 } else {
1148 /* nothing pending, clear everything */
1149 AL_reg(context) = 0;
1150 EFL_reg(context) |= 0x40; /* set ZF */
1151 scan = 0; /* just in case */
1152 }
1153 }
1154 } else {
1155 TRACE("Direct Console Output\n");
1156 CONSOLE_Write(DL_reg(context), 0, 0, 0);
1157 }
1158 break;
1159
1160 case 0x07: /* DIRECT CHARACTER INPUT WITHOUT ECHO */
1161 TRACE("DIRECT CHARACTER INPUT WITHOUT ECHO\n");
1162 AL_reg(context) = CONSOLE_GetCharacter();
1163 break;
1164
1165 case 0x08: /* CHARACTER INPUT WITHOUT ECHO */
1166 TRACE("CHARACTER INPUT WITHOUT ECHO\n");
1167 AL_reg(context) = CONSOLE_GetCharacter();
1168 break;
1169
1170 case 0x09: /* WRITE STRING TO STANDARD OUTPUT */
1171 TRACE("WRITE '$'-terminated string from %04lX:%04X to stdout\n",
1172 DS_reg(context),DX_reg(context) );
1173 {
1174 LPSTR data = CTX_SEG_OFF_TO_LIN(context,DS_reg(context),EDX_reg(context));
1175 LPSTR p = data;
1176 /* do NOT use strchr() to calculate the string length,
1177 as '\0' is valid string content, too !
1178 Maybe we should check for non-'$' strings, but DOS doesn't. */
1179 while (*p != '$') p++;
1180 _hwrite16( 1, data, (int)p - (int)data);
1181 AL_reg(context) = '$'; /* yes, '$' (0x24) gets returned in AL */
1182 }
1183 break;
1184
1185 case 0x0a: /* BUFFERED INPUT */
1186 {
1187 char *buffer = ((char *)CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
1188 EDX_reg(context) ));
1189 int res;
1190
1191 TRACE("BUFFERED INPUT (size=%d)\n",buffer[0]);
1192 if (buffer[1])
1193 TRACE("Handle old chars in buffer!\n");
1194 res=_lread16( 0, buffer+2,buffer[0]);
1195 buffer[1]=res;
1196 if(buffer[res+1] == '\n')
1197 buffer[res+1] = '\r';
1198 break;
1199 }
1200
1201 case 0x0b: {/* GET STDIN STATUS */
1202 char x1,x2;
1203
1204 if (CONSOLE_CheckForKeystroke(&x1,&x2))
1205 AL_reg(context) = 0xff;
1206 else
1207 AL_reg(context) = 0;
1208 break;
1209 }
1210 case 0x2e: /* SET VERIFY FLAG */
1211 TRACE("SET VERIFY FLAG ignored\n");
1212 /* we cannot change the behaviour anyway, so just ignore it */
1213 break;
1214
1215 case 0x18: /* NULL FUNCTIONS FOR CP/M COMPATIBILITY */
1216 case 0x1d:
1217 case 0x1e:
1218 case 0x20:
1219 case 0x6b: /* NULL FUNCTION */
1220 AL_reg(context) = 0;
1221 break;
1222
1223 case 0x5c: /* "FLOCK" - RECORD LOCKING */
1224 fLock(context);
1225 break;
1226
1227 case 0x0d: /* DISK BUFFER FLUSH */
1228 TRACE("DISK BUFFER FLUSH ignored\n");
1229 RESET_CFLAG(context); /* dos 6+ only */
1230 break;
1231
1232 case 0x0e: /* SELECT DEFAULT DRIVE */
1233 TRACE("SELECT DEFAULT DRIVE %d\n", DL_reg(context));
1234 DRIVE_SetCurrentDrive( DL_reg(context) );
1235 AL_reg(context) = MAX_DOS_DRIVES;
1236 break;
1237
1238 case 0x11: /* FIND FIRST MATCHING FILE USING FCB */
1239 TRACE("FIND FIRST MATCHING FILE USING FCB %p\n",
1240 CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context)));
1241 if (!INT21_FindFirstFCB(context))
1242 {
1243 AL_reg(context) = 0xff;
1244 break;
1245 }
1246 /* else fall through */
1247
1248 case 0x12: /* FIND NEXT MATCHING FILE USING FCB */
1249 AL_reg(context) = INT21_FindNextFCB(context) ? 0x00 : 0xff;
1250 break;
1251
1252 case 0x13: /* DELETE FILE USING FCB */
1253 DeleteFileFCB(context);
1254 break;
1255
1256 case 0x17: /* RENAME FILE USING FCB */
1257 RenameFileFCB(context);
1258 break;
1259
1260 case 0x19: /* GET CURRENT DEFAULT DRIVE */
1261 AL_reg(context) = DRIVE_GetCurrentDrive();
1262 break;
1263
1264 case 0x1a: /* SET DISK TRANSFER AREA ADDRESS */
1265 {
1266 TDB *pTask = (TDB *)GlobalLock16( GetCurrentTask() );
1267 pTask->dta = PTR_SEG_OFF_TO_SEGPTR(DS_reg(context),DX_reg(context));
1268 TRACE("Set DTA: %08lx\n", pTask->dta);
1269 }
1270 break;
1271
1272 case 0x1b: /* GET ALLOCATION INFORMATION FOR DEFAULT DRIVE */
1273 DL_reg(context) = 0;
1274 if (!INT21_GetDriveAllocInfo(context)) AX_reg(context) = 0xffff;
1275 break;
1276
1277 case 0x1c: /* GET ALLOCATION INFORMATION FOR SPECIFIC DRIVE */
1278 if (!INT21_GetDriveAllocInfo(context)) AX_reg(context) = 0xffff;
1279 break;
1280
1281 case 0x1f: /* GET DRIVE PARAMETER BLOCK FOR DEFAULT DRIVE */
1282 GetDrivePB(context, DRIVE_GetCurrentDrive());
1283 break;
1284
1285 case 0x25: /* SET INTERRUPT VECTOR */
1286 INT_CtxSetHandler( context, AL_reg(context),
1287 (FARPROC16)PTR_SEG_OFF_TO_SEGPTR( DS_reg(context),
1288 DX_reg(context)));
1289 break;
1290
1291 case 0x29: /* PARSE FILENAME INTO FCB */
1292 INT21_ParseFileNameIntoFCB(context);
1293 break;
1294
1295 case 0x2a: /* GET SYSTEM DATE */
1296 INT21_GetSystemDate(context);
1297 break;
1298
1299 case 0x2b: /* SET SYSTEM DATE */
1300 FIXME("SetSystemDate(%02d/%02d/%04d): not allowed\n",
1301 DL_reg(context), DH_reg(context), CX_reg(context) );
1302 AL_reg(context) = 0; /* Let's pretend we succeeded */
1303 break;
1304
1305 case 0x2c: /* GET SYSTEM TIME */
1306 INT21_GetSystemTime(context);
1307 break;
1308
1309 case 0x2d: /* SET SYSTEM TIME */
1310 FIXME("SetSystemTime(%02d:%02d:%02d.%02d): not allowed\n",
1311 CH_reg(context), CL_reg(context),
1312 DH_reg(context), DL_reg(context) );
1313 AL_reg(context) = 0; /* Let's pretend we succeeded */
1314 break;
1315
1316 case 0x2f: /* GET DISK TRANSFER AREA ADDRESS */
1317 TRACE("GET DISK TRANSFER AREA ADDRESS\n");
1318 {
1319 TDB *pTask = (TDB *)GlobalLock16( GetCurrentTask() );
1320 ES_reg(context) = SELECTOROF( pTask->dta );
1321 BX_reg(context) = OFFSETOF( pTask->dta );
1322 }
1323 break;
1324
1325 case 0x30: /* GET DOS VERSION */
1326 TRACE("GET DOS VERSION %s requested\n",
1327 (AL_reg(context) == 0x00)?"OEM number":"version flag");
1328 AX_reg(context) = (HIWORD(GetVersion16()) >> 8) |
1329 (HIWORD(GetVersion16()) << 8);
1330 #if 0
1331 AH_reg(context) = 0x7;
1332 AL_reg(context) = 0xA;
1333 #endif
1334
1335 BX_reg(context) = 0x00FF; /* 0x123456 is Wine's serial # */
1336 CX_reg(context) = 0x0000;
1337 break;
1338
1339 case 0x31: /* TERMINATE AND STAY RESIDENT */
1340 FIXME("TERMINATE AND STAY RESIDENT stub\n");
1341 break;
1342
1343 case 0x32: /* GET DOS DRIVE PARAMETER BLOCK FOR SPECIFIC DRIVE */
1344 TRACE("GET DOS DRIVE PARAMETER BLOCK FOR DRIVE %s\n",
1345 INT21_DriveName( DL_reg(context)));
1346 GetDrivePB(context, DOS_GET_DRIVE( DL_reg(context) ) );
1347 break;
1348
1349 case 0x33: /* MULTIPLEXED */
1350 switch (AL_reg(context))
1351 {
1352 case 0x00: /* GET CURRENT EXTENDED BREAK STATE */
1353 TRACE("GET CURRENT EXTENDED BREAK STATE\n");
1354 DL_reg(context) = DOSCONF_config.brk_flag;
1355 break;
1356
1357 case 0x01: /* SET EXTENDED BREAK STATE */
1358 TRACE("SET CURRENT EXTENDED BREAK STATE\n");
1359 DOSCONF_config.brk_flag = (DL_reg(context) > 0);
1360 break;
1361
1362 case 0x02: /* GET AND SET EXTENDED CONTROL-BREAK CHECKING STATE*/
1363 TRACE("GET AND SET EXTENDED CONTROL-BREAK CHECKING STATE\n");
1364 /* ugly coding in order to stay reentrant */
1365 if (DL_reg(context))
1366 {
1367 DL_reg(context) = DOSCONF_config.brk_flag;
1368 DOSCONF_config.brk_flag = 1;
1369 }
1370 else
1371 {
1372 DL_reg(context) = DOSCONF_config.brk_flag;
1373 DOSCONF_config.brk_flag = 0;
1374 }
1375 break;
1376
1377 case 0x05: /* GET BOOT DRIVE */
1378 TRACE("GET BOOT DRIVE\n");
1379 DL_reg(context) = 3;
1380 /* c: is Wine's bootdrive (a: is 1)*/
1381 break;
1382
1383 case 0x06: /* GET TRUE VERSION NUMBER */
1384 TRACE("GET TRUE VERSION NUMBER\n");
1385 BX_reg(context) = (HIWORD(GetVersion16() >> 8)) |
1386 (HIWORD(GetVersion16() << 8));
1387 DX_reg(context) = 0x00;
1388 break;
1389
1390 default:
1391 INT_BARF( context, 0x21 );
1392 break;
1393 }
1394 break;
1395
1396 case 0x34: /* GET ADDRESS OF INDOS FLAG */
1397 TRACE("GET ADDRESS OF INDOS FLAG\n");
1398 if (!heap) INT21_CreateHeap();
1399 ES_reg(context) = DosHeapHandle;
1400 BX_reg(context) = (int)&heap->InDosFlag - (int)heap;
1401 break;
1402
1403 case 0x35: /* GET INTERRUPT VECTOR */
1404 TRACE("GET INTERRUPT VECTOR 0x%02x\n",AL_reg(context));
1405 {
1406 FARPROC16 addr = INT_CtxGetHandler( context, AL_reg(context) );
1407 ES_reg(context) = SELECTOROF(addr);
1408 BX_reg(context) = OFFSETOF(addr);
1409 }
1410 break;
1411
1412 case 0x36: /* GET FREE DISK SPACE */
1413 TRACE("GET FREE DISK SPACE FOR DRIVE %s\n",
1414 INT21_DriveName( DL_reg(context)));
1415 if (!INT21_GetFreeDiskSpace(context)) AX_reg(context) = 0xffff;
1416 break;
1417
1418 case 0x37:
1419 {
1420 unsigned char switchchar='/';
1421 switch (AL_reg(context))
1422 {
1423 case 0x00: /* "SWITCHAR" - GET SWITCH CHARACTER */
1424 TRACE("SWITCHAR - GET SWITCH CHARACTER\n");
1425 AL_reg(context) = 0x00; /* success*/
1426 DL_reg(context) = switchchar;
1427 break;
1428 case 0x01: /*"SWITCHAR" - SET SWITCH CHARACTER*/
1429 TRACE("SWITCHAR - SET SWITCH CHARACTER\n");
1430 switchchar = DL_reg(context);
1431 AL_reg(context) = 0x00; /* success*/
1432 break;
1433 default: /*"AVAILDEV" - SPECIFY \DEV\ PREFIX USE*/
1434 INT_BARF( context, 0x21 );
1435 break;
1436 }
1437 break;
1438 }
1439
1440 case 0x38: /* GET COUNTRY-SPECIFIC INFORMATION */
1441 TRACE("GET COUNTRY-SPECIFIC INFORMATION for country 0x%02x\n",
1442 AL_reg(context));
1443 AX_reg(context) = 0x02; /* no country support available */
1444 SET_CFLAG(context);
1445 break;
1446
1447 case 0x39: /* "MKDIR" - CREATE SUBDIRECTORY */
1448 TRACE("MKDIR %s\n",
1449 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context)));
1450 bSetDOSExtendedError = (!CreateDirectory16( CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
1451 EDX_reg(context) ), NULL));
1452 /* FIXME: CreateDirectory's LastErrors will clash with the ones
1453 * used by dos. AH=39 only returns 3 (path not found) and 5 (access
1454 * denied), while CreateDirectory return several ones. remap some of
1455 * them. -Marcus
1456 */
1457 if (bSetDOSExtendedError) {
1458 switch (GetLastError()) {
1459 case ERROR_ALREADY_EXISTS:
1460 case ERROR_FILENAME_EXCED_RANGE:
1461 case ERROR_DISK_FULL:
1462 SetLastError(ERROR_ACCESS_DENIED);
1463 break;
1464 default: break;
1465 }
1466 }
1467 break;
1468
1469 case 0x3a: /* "RMDIR" - REMOVE SUBDIRECTORY */
1470 TRACE("RMDIR %s\n",
1471 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context)));
1472 bSetDOSExtendedError = (!RemoveDirectory16( CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
1473 EDX_reg(context) )));
1474 break;
1475
1476 case 0x3b: /* "CHDIR" - SET CURRENT DIRECTORY */
1477 TRACE("CHDIR %s\n",
1478 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context)));
1479 bSetDOSExtendedError = !INT21_ChangeDir(context);
1480 break;
1481
1482 case 0x3c: /* "CREAT" - CREATE OR TRUNCATE FILE */
1483 TRACE("CREAT flag 0x%02x %s\n",CX_reg(context),
1484 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context)));
1485 bSetDOSExtendedError = INT21_CreateFile( context );
1486 break;
1487
1488 case 0x3d: /* "OPEN" - OPEN EXISTING FILE */
1489 TRACE("OPEN mode 0x%02x %s\n",AL_reg(context),
1490 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context)));
1491 OpenExistingFile(context);
1492 break;
1493
1494 case 0x3e: /* "CLOSE" - CLOSE FILE */
1495 TRACE("CLOSE handle %d\n",BX_reg(context));
1496 bSetDOSExtendedError = ((AX_reg(context) = _lclose16( BX_reg(context) )) != 0);
1497 break;
1498
1499 case 0x3f: /* "READ" - READ FROM FILE OR DEVICE */
1500 TRACE("READ from %d to %04lX:%04X for %d byte\n",BX_reg(context),
1501 DS_reg(context),DX_reg(context),CX_reg(context) );
1502 {
1503 LONG result;
1504 if (ISV86(context))
1505 result = _hread16( BX_reg(context),
1506 CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
1507 EDX_reg(context) ),
1508 CX_reg(context) );
1509 else
1510 result = WIN16_hread( BX_reg(context),
1511 PTR_SEG_OFF_TO_SEGPTR( DS_reg(context),
1512 EDX_reg(context) ),
1513 CX_reg(context) );
1514 if (result == -1) bSetDOSExtendedError = TRUE;
1515 else AX_reg(context) = (WORD)result;
1516 }
1517 break;
1518
1519 case 0x40: /* "WRITE" - WRITE TO FILE OR DEVICE */
1520 TRACE("WRITE from %04lX:%04X to handle %d for %d byte\n",
1521 DS_reg(context),DX_reg(context),BX_reg(context),CX_reg(context) );
1522 {
1523 LONG result = _hwrite16( BX_reg(context),
1524 CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
1525 EDX_reg(context) ),
1526 CX_reg(context) );
1527 if (result == -1) bSetDOSExtendedError = TRUE;
1528 else AX_reg(context) = (WORD)result;
1529 }
1530 break;
1531
1532 case 0x41: /* "UNLINK" - DELETE FILE */
1533 TRACE("UNLINK%s\n",
1534 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context)));
1535 bSetDOSExtendedError = (!DeleteFileA( CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
1536 EDX_reg(context) )));
1537 break;
1538
1539 case 0x42: /* "LSEEK" - SET CURRENT FILE POSITION */
1540 TRACE("LSEEK handle %d offset %ld from %s\n",
1541 BX_reg(context), MAKELONG(DX_reg(context),CX_reg(context)),
1542 (AL_reg(context)==0)?"start of file":(AL_reg(context)==1)?
1543 "current file position":"end of file");
1544 {
1545 LONG status = _llseek16( BX_reg(context),
1546 MAKELONG(DX_reg(context),CX_reg(context)),
1547 AL_reg(context) );
1548 if (status == -1) bSetDOSExtendedError = TRUE;
1549 else
1550 {
1551 AX_reg(context) = LOWORD(status);
1552 DX_reg(context) = HIWORD(status);
1553 }
1554 }
1555 break;
1556
1557 case 0x43: /* FILE ATTRIBUTES */
1558 switch (AL_reg(context))
1559 {
1560 case 0x00:
1561 TRACE("GET FILE ATTRIBUTES for %s\n",
1562 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context)));
1563 AX_reg(context) = (WORD)GetFileAttributesA(
1564 CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
1565 EDX_reg(context)));
1566 if (AX_reg(context) == 0xffff) bSetDOSExtendedError = TRUE;
1567 else CX_reg(context) = AX_reg(context);
1568 break;
1569
1570 case 0x01:
1571 TRACE("SET FILE ATTRIBUTES 0x%02x for %s\n", CX_reg(context),
1572 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context)));
1573 bSetDOSExtendedError =
1574 (!SetFileAttributesA( CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
1575 EDX_reg(context)),
1576 CX_reg(context) ));
1577 break;
1578 case 0x02:
1579 TRACE("GET COMPRESSED FILE SIZE for %s stub\n",
1580 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context)));
1581 }
1582 break;
1583
1584 case 0x44: /* IOCTL */
1585 switch (AL_reg(context))
1586 {
1587 case 0x00:
1588 ioctlGetDeviceInfo(context);
1589 break;
1590
1591 case 0x01:
1592 break;
1593 case 0x02:{
1594 const DOS_DEVICE *dev;
1595 if ((dev = DOSFS_GetDeviceByHandle( FILE_GetHandle(BX_reg(context)) )) &&
1596 !strcasecmp( dev->name, "SCSIMGR$" ))
1597 {
1598 ASPI_DOS_HandleInt(context);
1599 }
1600 break;
1601 }
1602 case 0x05:{ /* IOCTL - WRITE TO BLOCK DEVICE CONTROL CHANNEL */
1603 /*BYTE *dataptr = CTX_SEG_OFF_TO_LIN(context, DS_reg(context),EDX_reg(context));*/
1604 int drive = DOS_GET_DRIVE(BL_reg(context));
1605
1606 FIXME("program tried to write to block device control channel of drive %d:\n",drive);
1607 /* for (i=0;i<CX_reg(context);i++)
1608 fprintf(stdnimp,"%02x ",dataptr[i]);
1609 fprintf(stdnimp,"\n");*/
1610 AX_reg(context)=CX_reg(context);
1611 break;
1612 }
1613 case 0x08: /* Check if drive is removable. */
1614 TRACE("IOCTL - CHECK IF BLOCK DEVICE REMOVABLE for drive %s\n",
1615 INT21_DriveName( BL_reg(context)));
1616 switch(GetDriveType16( DOS_GET_DRIVE( BL_reg(context) )))
1617 {
1618 case DRIVE_CANNOTDETERMINE:
1619 SetLastError( ERROR_INVALID_DRIVE );
1620 AX_reg(context) = ERROR_INVALID_DRIVE;
1621 SET_CFLAG(context);
1622 break;
1623 case DRIVE_REMOVABLE:
1624 AX_reg(context) = 0; /* removable */
1625 break;
1626 default:
1627 AX_reg(context) = 1; /* not removable */
1628 break;
1629 }
1630 break;
1631
1632 case 0x09: /* CHECK IF BLOCK DEVICE REMOTE */
1633 TRACE("IOCTL - CHECK IF BLOCK DEVICE REMOTE for drive %s\n",
1634 INT21_DriveName( BL_reg(context)));
1635 switch(GetDriveType16( DOS_GET_DRIVE( BL_reg(context) )))
1636 {
1637 case DRIVE_CANNOTDETERMINE:
1638 SetLastError( ERROR_INVALID_DRIVE );
1639 AX_reg(context) = ERROR_INVALID_DRIVE;
1640 SET_CFLAG(context);
1641 break;
1642 case DRIVE_REMOTE:
1643 DX_reg(context) = (1<<9) | (1<<12); /* remote */
1644 break;
1645 default:
1646 DX_reg(context) = 0; /* FIXME: use driver attr here */
1647 break;
1648 }
1649 break;
1650
1651 case 0x0a: /* check if handle (BX) is remote */
1652 TRACE("IOCTL - CHECK IF HANDLE %d IS REMOTE\n",BX_reg(context));
1653 /* returns DX, bit 15 set if remote, bit 14 set if date/time
1654 * not set on close
1655 */
1656 DX_reg(context) = 0;
1657 break;
1658
1659 case 0x0b: /* SET SHARING RETRY COUNT */
1660 TRACE("IOCTL - SET SHARING RETRY COUNT pause %d retries %d\n",
1661 CX_reg(context), DX_reg(context));
1662 if (!CX_reg(context))
1663 {
1664 AX_reg(context) = 1;
1665 SET_CFLAG(context);
1666 break;
1667 }
1668 DOSMEM_LOL()->sharing_retry_delay = CX_reg(context);
1669 if (!DX_reg(context))
1670 DOSMEM_LOL()->sharing_retry_count = DX_reg(context);
1671 RESET_CFLAG(context);
1672 break;
1673
1674 case 0x0d:
1675 TRACE("IOCTL - GENERIC BLOCK DEVICE REQUEST %s\n",
1676 INT21_DriveName( BL_reg(context)));
1677 bSetDOSExtendedError = ioctlGenericBlkDevReq(context);
1678 break;
1679
1680 case 0x0e: /* get logical drive mapping */
1681 TRACE("IOCTL - GET LOGICAL DRIVE MAP for drive %s\n",
1682 INT21_DriveName( BL_reg(context)));
1683 AL_reg(context) = 0; /* drive has no mapping - FIXME: may be wrong*/
1684 break;
1685
1686 case 0x0F: /* Set logical drive mapping */
1687 {
1688 int drive;
1689 TRACE("IOCTL - SET LOGICAL DRIVE MAP for drive %s\n",
1690 INT21_DriveName( BL_reg(context)));
1691 drive = DOS_GET_DRIVE ( BL_reg(context) );
1692 if ( ! DRIVE_SetLogicalMapping ( drive, drive+1 ) )
1693 {
1694 SET_CFLAG(context);
1695 AX_reg(context) = 0x000F; /* invalid drive */
1696 }
1697 break;
1698 }
1699
1700 case 0xe0: /* Sun PC-NFS API */
1701 /* not installed */
1702 break;
1703
1704 default:
1705 INT_BARF( context, 0x21 );
1706 break;
1707 }
1708 break;
1709
1710 case 0x45: /* "DUP" - DUPLICATE FILE HANDLE */
1711 {
1712 HANDLE handle;
1713 TRACE("DUP - DUPLICATE FILE HANDLE %d\n",BX_reg(context));
1714 if ((bSetDOSExtendedError = !DuplicateHandle( GetCurrentProcess(),
1715 FILE_GetHandle(BX_reg(context)),
1716 GetCurrentProcess(), &handle,
1717 0, TRUE, DUPLICATE_SAME_ACCESS )))
1718 AX_reg(context) = HFILE_ERROR16;
1719 else
1720 AX_reg(context) = FILE_AllocDosHandle(handle);
1721 break;
1722 }
1723
1724 case 0x46: /* "DUP2", "FORCEDUP" - FORCE DUPLICATE FILE HANDLE */
1725 TRACE("FORCEDUP - FORCE DUPLICATE FILE HANDLE %d to %d\n",
1726 BX_reg(context),CX_reg(context));
1727 bSetDOSExtendedError = (FILE_Dup2( BX_reg(context), CX_reg(context) ) == HFILE_ERROR16);
1728 break;
1729
1730 case 0x47: /* "CWD" - GET CURRENT DIRECTORY */
1731 TRACE("CWD - GET CURRENT DIRECTORY for drive %s\n",
1732 INT21_DriveName( DL_reg(context)));
1733 bSetDOSExtendedError = !INT21_GetCurrentDirectory(context);
1734 break;
1735
1736 case 0x48: /* ALLOCATE MEMORY */
1737 TRACE("ALLOCATE MEMORY for %d paragraphs\n", BX_reg(context));
1738 {
1739 LPVOID *mem;
1740 if (ISV86(context))
1741 {
1742 mem= DOSMEM_GetBlock(0,(DWORD)BX_reg(context)<<4,NULL);
1743 if (mem)
1744 AX_reg(context) = DOSMEM_MapLinearToDos(mem)>>4;
1745 }
1746 else
1747 {
1748 mem = (LPVOID)GlobalDOSAlloc16(BX_reg(context)<<4);
1749 if (mem)
1750 AX_reg(context) = (DWORD)mem&0xffff;
1751 }
1752 if (!mem)
1753 {
1754 SET_CFLAG(context);
1755 AX_reg(context) = 0x0008; /* insufficient memory */
1756 BX_reg(context) = DOSMEM_Available(0)>>4;
1757 }
1758 }
1759 break;
1760
1761 case 0x49: /* FREE MEMORY */
1762 TRACE("FREE MEMORY segment %04lX\n", ES_reg(context));
1763 {
1764 BOOL ret;
1765 if (ISV86(context))
1766 ret= DOSMEM_FreeBlock(0,DOSMEM_MapDosToLinear(ES_reg(context)<<4));
1767 else
1768 {
1769 ret = !GlobalDOSFree16(ES_reg(context));
1770 /* If we don't reset ES_reg, we will fail in the relay code */
1771 ES_reg(context)=ret;
1772 }
1773 if (!ret)
1774 {
1775 TRACE("FREE MEMORY failed\n");
1776 SET_CFLAG(context);
1777 AX_reg(context) = 0x0009; /* memory block address invalid */
1778 }
1779 }
1780 break;
1781
1782 case 0x4a: /* RESIZE MEMORY BLOCK */
1783 TRACE("RESIZE MEMORY segment %04lX to %d paragraphs\n", ES_reg(context), BX_reg(context));
1784 if (!ISV86(context))
1785 FIXME("RESIZE MEMORY probably insufficient implementation. Expect crash soon\n");
1786 {
1787 LPVOID *mem = DOSMEM_ResizeBlock(0,DOSMEM_MapDosToLinear(ES_reg(context)<<4),
1788 BX_reg(context)<<4,NULL);
1789 if (mem)
1790 AX_reg(context) = DOSMEM_MapLinearToDos(mem)>>4;
1791 else {
1792 SET_CFLAG(context);
1793 AX_reg(context) = 0x0008; /* insufficient memory */
1794 BX_reg(context) = DOSMEM_Available(0)>>4; /* not quite right */
1795 }
1796 }
1797 break;
1798
1799 case 0x4b: /* "EXEC" - LOAD AND/OR EXECUTE PROGRAM */
1800 TRACE("EXEC %s\n",
1801 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context),EDX_reg(context) ));
1802 AX_reg(context) = WinExec16( CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
1803 EDX_reg(context) ),
1804 SW_NORMAL );
1805 if (AX_reg(context) < 32) SET_CFLAG(context);
1806 break;
1807
1808 case 0x4c: /* "EXIT" - TERMINATE WITH RETURN CODE */
1809 TRACE("EXIT with return code %d\n",AL_reg(context));
1810 ExitProcess( AL_reg(context) );
1811 break;
1812
1813 case 0x4d: /* GET RETURN CODE */
1814 TRACE("GET RETURN CODE (ERRORLEVEL)\n");
1815 AX_reg(context) = 0; /* normal exit */
1816 break;
1817
1818 case 0x4e: /* "FINDFIRST" - FIND FIRST MATCHING FILE */
1819 TRACE("FINDFIRST mask 0x%04x spec %s\n",CX_reg(context),
1820 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context)));
1821 if (!INT21_FindFirst(context)) break;
1822 /* fall through */
1823
1824 case 0x4f: /* "FINDNEXT" - FIND NEXT MATCHING FILE */
1825 TRACE("FINDNEXT\n");
1826 if (!INT21_FindNext(context))
1827 {
1828 SetLastError( ERROR_NO_MORE_FILES );
1829 AX_reg(context) = ERROR_NO_MORE_FILES;
1830 SET_CFLAG(context);
1831 }
1832 else AX_reg(context) = 0; /* OK */
1833 break;
1834 case 0x50: /* SET CURRENT PROCESS ID (SET PSP ADDRESS) */
1835 TRACE("SET CURRENT PROCESS ID (SET PSP ADDRESS)\n");
1836 INT21_SetCurrentPSP(BX_reg(context));
1837 break;
1838 case 0x51: /* GET PSP ADDRESS */
1839 TRACE("GET CURRENT PROCESS ID (GET PSP ADDRESS)\n");
1840 /* FIXME: should we return the original DOS PSP upon */
1841 /* Windows startup ? */
1842 BX_reg(context) = INT21_GetCurrentPSP();
1843 break;
1844 case 0x62: /* GET PSP ADDRESS */
1845 TRACE("GET CURRENT PSP ADDRESS\n");
1846 /* FIXME: should we return the original DOS PSP upon */
1847 /* Windows startup ? */
1848 BX_reg(context) = INT21_GetCurrentPSP();
1849 break;
1850
1851 case 0x52: /* "SYSVARS" - GET LIST OF LISTS */
1852 TRACE("SYSVARS - GET LIST OF LISTS\n");
1853 {
1854 ES_reg(context) = ISV86(context) ? HIWORD(DOS_LOLSeg) : LOWORD(DOS_LOLSeg);
1855 BX_reg(context) = FIELD_OFFSET(DOS_LISTOFLISTS, ptr_first_DPB);
1856 }
1857 break;
1858
1859 case 0x54: /* Get Verify Flag */
1860 TRACE("Get Verify Flag - Not Supported\n");
1861 AL_reg(context) = 0x00; /* pretend we can tell. 00h = off 01h = on */
1862 break;
1863
1864 case 0x56: /* "RENAME" - RENAME FILE */
1865 TRACE("RENAME %s to %s\n",
1866 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context),EDX_reg(context)),
1867 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, ES_reg(context),EDI_reg(context)));
1868 bSetDOSExtendedError =
1869 (!MoveFileA( CTX_SEG_OFF_TO_LIN(context, DS_reg(context),EDX_reg(context)),
1870 CTX_SEG_OFF_TO_LIN(context, ES_reg(context),EDI_reg(context))));
1871 break;
1872
1873 case 0x57: /* FILE DATE AND TIME */
1874 switch (AL_reg(context))
1875 {
1876 case 0x00: /* Get */
1877 {
1878 FILETIME filetime;
1879 TRACE("GET FILE DATE AND TIME for handle %d\n",
1880 BX_reg(context));
1881 if (!GetFileTime( FILE_GetHandle(BX_reg(context)), NULL, NULL, &filetime ))
1882 bSetDOSExtendedError = TRUE;
1883 else FileTimeToDosDateTime( &filetime, &DX_reg(context),
1884 &CX_reg(context) );
1885 }
1886 break;
1887
1888 case 0x01: /* Set */
1889 {
1890 FILETIME filetime;
1891 TRACE("SET FILE DATE AND TIME for handle %d\n",
1892 BX_reg(context));
1893 DosDateTimeToFileTime( DX_reg(context), CX_reg(context),
1894 &filetime );
1895 bSetDOSExtendedError =
1896 (!SetFileTime( FILE_GetHandle(BX_reg(context)),
1897 NULL, NULL, &filetime ));
1898 }
1899 break;
1900 }
1901 break;
1902
1903 case 0x58: /* GET OR SET MEMORY/UMB ALLOCATION STRATEGY */
1904 TRACE("GET OR SET MEMORY/UMB ALLOCATION STRATEGY subfunction %d\n",
1905 AL_reg(context));
1906 switch (AL_reg(context))
1907 {
1908 case 0x00:
1909 AX_reg(context) = 1;
1910 break;
1911 case 0x02:
1912 AX_reg(context) = 0;
1913 break;
1914 case 0x01:
1915 case 0x03:
1916 break;
1917 }
1918 RESET_CFLAG(context);
1919 break;
1920
1921 case 0x5a: /* CREATE TEMPORARY FILE */
1922 TRACE("CREATE TEMPORARY FILE\n");
1923 bSetDOSExtendedError = !INT21_CreateTempFile(context);
1924 break;
1925
1926 case 0x5b: /* CREATE NEW FILE */
1927 TRACE("CREATE NEW FILE 0x%02x for %s\n", CX_reg(context),
1928 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context)));
1929 bSetDOSExtendedError = ((AX_reg(context) =
1930 _lcreat16_uniq( CTX_SEG_OFF_TO_LIN(context, DS_reg(context),EDX_reg(context)),
1931 CX_reg(context) )) == (WORD)HFILE_ERROR16);
1932 break;
1933
1934 case 0x5d: /* NETWORK */
1935 FIXME("Function 0x%04x not implemented.\n", AX_reg (context));
1936 /* Fix the following while you're at it. */
1937 SetLastError( ER_NoNetwork );
1938 bSetDOSExtendedError = TRUE;
1939 break;
1940
1941 case 0x5e:
1942 bSetDOSExtendedError = INT21_networkfunc (context);
1943 break;
1944
1945 case 0x5f: /* NETWORK */
1946 switch (AL_reg(context))
1947 {
1948 case 0x07: /* ENABLE DRIVE */
1949 TRACE("ENABLE DRIVE %c:\n",(DL_reg(context)+'A'));
1950 if (!DRIVE_Enable( DL_reg(context) ))
1951 {
1952 SetLastError( ERROR_INVALID_DRIVE );
1953 bSetDOSExtendedError = TRUE;
1954 }
1955 break;
1956
1957 case 0x08: /* DISABLE DRIVE */
1958 TRACE("DISABLE DRIVE %c:\n",(DL_reg(context)+'A'));
1959 if (!DRIVE_Disable( DL_reg(context) ))
1960 {
1961 SetLastError( ERROR_INVALID_DRIVE );
1962 bSetDOSExtendedError = TRUE;
1963 }
1964 break;
1965
1966 default:
1967 /* network software not installed */
1968 TRACE("NETWORK function AX=%04x not implemented\n",AX_reg(context));
1969 SetLastError( ER_NoNetwork );
1970 bSetDOSExtendedError = TRUE;
1971 break;
1972 }
1973 break;
1974
1975 case 0x60: /* "TRUENAME" - CANONICALIZE FILENAME OR PATH */
1976 TRACE("TRUENAME %s\n",
1977 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context),ESI_reg(context)));
1978 {
1979 if (!GetFullPathNameA( CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
1980 ESI_reg(context)), 128,
1981 CTX_SEG_OFF_TO_LIN(context, ES_reg(context),
1982 EDI_reg(context)),NULL))
1983 bSetDOSExtendedError = TRUE;
1984 else AX_reg(context) = 0;
1985 }
1986 break;
1987
1988 case 0x61: /* UNUSED */
1989 case 0x63: /* misc. language support */
1990 switch (AL_reg(context)) {
1991 case 0x00: /* GET DOUBLE BYTE CHARACTER SET LEAD-BYTE TABLE */
1992 INT21_GetDBCSLeadTable(context);
1993 break;
1994 }
1995 break;
1996 case 0x64: /* OS/2 DOS BOX */
1997 INT_BARF( context, 0x21 );
1998 SET_CFLAG(context);
1999 break;
2000
2001 case 0x65:{/* GET EXTENDED COUNTRY INFORMATION */
2002 extern WORD WINE_LanguageId;
2003 BYTE *dataptr=CTX_SEG_OFF_TO_LIN(context, ES_reg(context),EDI_reg(context));
2004 TRACE("GET EXTENDED COUNTRY INFORMATION code page %d country %d\n",
2005 BX_reg(context), DX_reg(context));
2006 switch (AL_reg(context)) {
2007 case 0x01:
2008 TRACE("\tget general internationalization info\n");
2009 dataptr[0] = 0x1;
2010 *(WORD*)(dataptr+1) = 41;
2011 *(WORD*)(dataptr+3) = WINE_LanguageId;
2012 *(WORD*)(dataptr+5) = CodePage;
2013 *(DWORD*)(dataptr+0x19) = 0; /* FIXME: ptr to case map routine */
2014 break;
2015 case 0x06:
2016 TRACE("\tget pointer to collating sequence table\n");
2017 dataptr[0] = 0x06;
2018 *(DWORD*)(dataptr+1) = MAKELONG(DOSMEM_CollateTable & 0xFFFF,DOSMEM_AllocSelector(DOSMEM_CollateTable>>16));
2019 CX_reg(context) = 258;/*FIXME: size of table?*/
2020 break;
2021 case 0x20:
2022 TRACE("\tConvert char to uppercase\n");
2023 DL_reg(context) = toupper(DL_reg(context));
2024 break;
2025 case 0x21:
2026 TRACE("\tconvert string to uppercase with length\n");
2027 CharUpperBuffA( (LPSTR)CTX_SEG_OFF_TO_LIN(context,DS_reg(context),EDX_reg(context)),
2028 CX_reg(context) );
2029 break;
2030 case 0x22:
2031 TRACE("\tConvert ASCIIZ string to uppercase\n");
2032 CharUpperA( (LPSTR)CTX_SEG_OFF_TO_LIN(context,DS_reg(context),EDX_reg(context)) );
2033 break;
2034 default:
2035 TRACE("\tunimplemented function %d\n",AL_reg(context));
2036 INT_BARF( context, 0x21 );
2037 SET_CFLAG(context);
2038 break;
2039 }
2040 break;
2041 }
2042 case 0x66: /* GLOBAL CODE PAGE TABLE */
2043 switch (AL_reg(context))
2044 {
2045 case 0x01:
2046 TRACE("GET GLOBAL CODE PAGE TABLE\n");
2047 DX_reg(context) = BX_reg(context) = CodePage;
2048 RESET_CFLAG(context);
2049 break;
2050 case 0x02:
2051 TRACE("SET GLOBAL CODE PAGE TABLE active page %d system page %d\n",
2052 BX_reg(context),DX_reg(context));
2053 CodePage = BX_reg(context);
2054 RESET_CFLAG(context);
2055 break;
2056 }
2057 break;
2058
2059 case 0x67: /* SET HANDLE COUNT */
2060 TRACE("SET HANDLE COUNT to %d\n",BX_reg(context) );
2061 SetHandleCount16( BX_reg(context) );
2062 if (GetLastError()) bSetDOSExtendedError = TRUE;
2063 break;
2064
2065 case 0x68: /* "FFLUSH" - COMMIT FILE */
2066 case 0x6a: /* COMMIT FILE */
2067 TRACE("FFLUSH/COMMIT handle %d\n",BX_reg(context));
2068 bSetDOSExtendedError = (!FlushFileBuffers( FILE_GetHandle(BX_reg(context)) ));
2069 break;
2070
2071 case 0x69: /* DISK SERIAL NUMBER */
2072 switch (AL_reg(context))
2073 {
2074 case 0x00:
2075 TRACE("GET DISK SERIAL NUMBER for drive %s\n",
2076 INT21_DriveName(BL_reg(context)));
2077 if (!INT21_GetDiskSerialNumber(context)) bSetDOSExtendedError = TRUE;
2078 else AX_reg(context) = 0;
2079 break;
2080
2081 case 0x01:
2082 TRACE("SET DISK SERIAL NUMBER for drive %s\n",
2083 INT21_DriveName(BL_reg(context)));
2084 if (!INT21_SetDiskSerialNumber(context)) bSetDOSExtendedError = TRUE;
2085 else AX_reg(context) = 1;
2086 break;
2087 }
2088 break;
2089
2090 case 0x6C: /* Extended Open/Create*/
2091 TRACE("EXTENDED OPEN/CREATE %s\n",
2092 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDI_reg(context)));
2093 bSetDOSExtendedError = INT21_ExtendedOpenCreateFile(context);
2094 break;
2095
2096 case 0x71: /* MS-DOS 7 (Windows95) - LONG FILENAME FUNCTIONS */
2097 if ((GetVersion()&0xC0000004)!=0xC0000004) {
2098 /* not supported on anything but Win95 */
2099 TRACE("LONG FILENAME functions supported only by win95\n");
2100 SET_CFLAG(context);
2101 AL_reg(context) = 0;
2102 } else
2103 switch(AL_reg(context))
2104 {
2105 case 0x39: /* Create directory */
2106 TRACE("LONG FILENAME - MAKE DIRECTORY %s\n",
2107 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context),EDX_reg(context)));
2108 bSetDOSExtendedError = (!CreateDirectoryA(
2109 CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
2110 EDX_reg(context) ), NULL));
2111 /* FIXME: CreateDirectory's LastErrors will clash with the ones
2112 * used by dos. AH=39 only returns 3 (path not found) and 5 (access
2113 * denied), while CreateDirectory return several ones. remap some of
2114 * them. -Marcus
2115 */
2116 if (bSetDOSExtendedError) {
2117 switch (GetLastError()) {
2118 case ERROR_ALREADY_EXISTS:
2119 case ERROR_FILENAME_EXCED_RANGE:
2120 case ERROR_DISK_FULL:
2121 SetLastError(ERROR_ACCESS_DENIED);
2122 break;
2123 default: break;
2124 }
2125 }
2126 break;
2127 case 0x3a: /* Remove directory */
2128 TRACE("LONG FILENAME - REMOVE DIRECTORY %s\n",
2129 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context),EDX_reg(context)));
2130 bSetDOSExtendedError = (!RemoveDirectoryA(
2131 CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
2132 EDX_reg(context) )));
2133 break;
2134 case 0x43: /* Get/Set file attributes */
2135 TRACE("LONG FILENAME -EXTENDED GET/SET FILE ATTRIBUTES %s\n",
2136 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context),EDX_reg(context)));
2137 switch (BL_reg(context))
2138 {
2139 case 0x00: /* Get file attributes */
2140 TRACE("\tretrieve attributes\n");
2141 CX_reg(context) = (WORD)GetFileAttributesA(
2142 CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
2143 EDX_reg(context)));
2144 if (CX_reg(context) == 0xffff) bSetDOSExtendedError = TRUE;
2145 break;
2146 case 0x01:
2147 TRACE("\tset attributes 0x%04x\n",CX_reg(context));
2148 bSetDOSExtendedError = (!SetFileAttributesA(
2149 CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
2150 EDX_reg(context)),
2151 CX_reg(context) ) );
2152 break;
2153 default:
2154 FIXME("Unimplemented long file name function:\n");
2155 INT_BARF( context, 0x21 );
2156 SET_CFLAG(context);
2157 AL_reg(context) = 0;
2158 break;
2159 }
2160 break;
2161 case 0x47: /* Get current directory */
2162 TRACE(" LONG FILENAME - GET CURRENT DIRECTORY for drive %s\n",
2163 INT21_DriveName(DL_reg(context)));
2164 bSetDOSExtendedError = !INT21_GetCurrentDirectory(context);
2165 break;
2166
2167 case 0x4e: /* Find first file */
2168 TRACE(" LONG FILENAME - FIND FIRST MATCHING FILE for %s\n",
2169 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context),EDX_reg(context)));
2170 /* FIXME: use attributes in CX */
2171 if ((AX_reg(context) = FindFirstFile16(
2172 CTX_SEG_OFF_TO_LIN(context, DS_reg(context),EDX_reg(context)),
2173 (WIN32_FIND_DATAA *)CTX_SEG_OFF_TO_LIN(context, ES_reg(context),
2174 EDI_reg(context))))
2175 == INVALID_HANDLE_VALUE16)
2176 bSetDOSExtendedError = TRUE;
2177 break;
2178 case 0x4f: /* Find next file */
2179 TRACE("LONG FILENAME - FIND NEXT MATCHING FILE for handle %d\n",
2180 BX_reg(context));
2181 if (!FindNextFile16( BX_reg(context),
2182 (WIN32_FIND_DATAA *)CTX_SEG_OFF_TO_LIN(context, ES_reg(context),
2183 EDI_reg(context))))
2184 bSetDOSExtendedError = TRUE;
2185 break;
2186 case 0xa1: /* Find close */
2187 TRACE("LONG FILENAME - FINDCLOSE for handle %d\n",
2188 BX_reg(context));
2189 bSetDOSExtendedError = (!FindClose16( BX_reg(context) ));
2190 break;
2191 case 0xa0:
2192 TRACE("LONG FILENAME - GET VOLUME INFORMATION for drive %s stub\n",
2193 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context),EDX_reg(context)));
2194 break;
2195 case 0x60:
2196 switch(CL_reg(context))
2197 {
2198 case 0x01: /*Get short filename or path */
2199 if (!GetShortPathNameA
2200 ( CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
2201 ESI_reg(context)),
2202 CTX_SEG_OFF_TO_LIN(context, ES_reg(context),
2203 EDI_reg(context)), 67))
2204 bSetDOSExtendedError = TRUE;
2205 else AX_reg(context) = 0;
2206 break;
2207 case 0x02: /*Get canonical long filename or path */
2208 if (!GetFullPathNameA
2209 ( CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
2210 ESI_reg(context)), 128,
2211 CTX_SEG_OFF_TO_LIN(context, ES_reg(context),
2212 EDI_reg(context)),NULL))
2213 bSetDOSExtendedError = TRUE;
2214 else AX_reg(context) = 0;
2215 break;
2216 default:
2217 FIXME("Unimplemented long file name function:\n");
2218 INT_BARF( context, 0x21 );
2219 SET_CFLAG(context);
2220 AL_reg(context) = 0;
2221 break;
2222 }
2223 break;
2224 case 0x6c: /* Create or open file */
2225 TRACE("LONG FILENAME - CREATE OR OPEN FILE %s\n",
2226 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), ESI_reg(context)));
2227 /* translate Dos 7 action to Dos 6 action */
2228 bSetDOSExtendedError = INT21_ExtendedOpenCreateFile(context);
2229 break;
2230
2231 case 0x3b: /* Change directory */
2232 TRACE("LONG FILENAME - CHANGE DIRECTORY %s\n",
2233 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context)));
2234 if (!SetCurrentDirectoryA(CTX_SEG_OFF_TO_LIN(context,
2235 DS_reg(context),
2236 EDX_reg(context)
2237 ))
2238 ) {
2239 SET_CFLAG(context);
2240 AL_reg(context) = GetLastError();
2241 }
2242 break;
2243 case 0x41: /* Delete file */
2244 TRACE("LONG FILENAME - DELETE FILE %s\n",
2245 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context)));
2246 if (!DeleteFileA(CTX_SEG_OFF_TO_LIN(context,
2247 DS_reg(context),
2248 EDX_reg(context))
2249 )) {
2250 SET_CFLAG(context);
2251 AL_reg(context) = GetLastError();
2252 }
2253 break;
2254 case 0x56: /* Move (rename) file */
2255 TRACE("LONG FILENAME - RENAME FILE %s to %s stub\n",
2256 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context)),
2257 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, ES_reg(context), EDI_reg(context)));
2258 default:
2259 FIXME("Unimplemented long file name function:\n");
2260 INT_BARF( context, 0x21 );
2261 SET_CFLAG(context);
2262 AL_reg(context) = 0;
2263 break;
2264 }
2265 break;
2266
2267 case 0x70: /* MS-DOS 7 (Windows95) - ??? (country-specific?)*/
2268 case 0x72: /* MS-DOS 7 (Windows95) - ??? */
2269 case 0x73: /* MS-DOS 7 (Windows95) - DRIVE LOCKING ??? */
2270 TRACE("windows95 function AX %04x\n",
2271 AX_reg(context));
2272 WARN(" returning unimplemented\n");
2273 SET_CFLAG(context);
2274 AL_reg(context) = 0;
2275 break;
2276
2277 case 0xdc: /* CONNECTION SERVICES - GET CONNECTION NUMBER */
2278 case 0xea: /* NOVELL NETWARE - RETURN SHELL VERSION */
2279 break;
2280
2281 default:
2282 INT_BARF( context, 0x21 );
2283 break;
2284
2285 } /* END OF SWITCH */
2286
2287 if( bSetDOSExtendedError ) /* set general error condition */
2288 {
2289 AX_reg(context) = GetLastError();
2290 SET_CFLAG(context);
2291 }
2292
2293 if ((EFL_reg(context) & 0x0001))
2294 TRACE("failed, error 0x%04lx\n", GetLastError() );
2295
2296 TRACE("returning: AX=%04x BX=%04x CX=%04x DX=%04x "
2297 "SI=%04x DI=%04x DS=%04x ES=%04x EFL=%08lx\n",
2298 AX_reg(context), BX_reg(context), CX_reg(context),
2299 DX_reg(context), SI_reg(context), DI_reg(context),
2300 (WORD)DS_reg(context), (WORD)ES_reg(context),
2301 EFL_reg(context));
2302 }
2303
2304 FARPROC16 WINAPI GetSetKernelDOSProc16(FARPROC16 DosProc)
2305 {
2306 FIXME("(DosProc=0x%08x): stub\n", (UINT)DosProc);
2307 return NULL;
2308 }
2309
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