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Cast the unsigned int to signed, or NEAR_MATCH will not work.
[wine.git] / msdos / int21.c
blob4186a8c4b47a5ab5b3039783efae2a7c0857b049
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 "winuser.h" /* SW_NORMAL */
24 #include "wine/winbase16.h"
25 #include "winerror.h"
26 #include "drive.h"
27 #include "file.h"
28 #include "heap.h"
29 #include "msdos.h"
30 #include "ldt.h"
31 #include "task.h"
32 #include "options.h"
33 #include "miscemu.h"
34 #include "dosexe.h" /* for the MZ_SUPPORTED define */
35 #include "module.h"
36 #include "debugtools.h"
37 #include "console.h"
38
39 DEFAULT_DEBUG_CHANNEL(int21)
40 #if defined(__svr4__) || defined(_SCO_DS)
41 /* SVR4 DOESNT do locking the same way must implement properly */
42 #define LOCK_EX 0
43 #define LOCK_SH 1
44 #define LOCK_NB 8
45 #endif
46
47
48 #define DOS_GET_DRIVE(reg) ((reg) ? (reg) - 1 : DRIVE_GetCurrentDrive())
49
50 /* Define the drive parameter block, as used by int21/1F
51 * and int21/32. This table can be accessed through the
52 * global 'dpb' pointer, which points into the local dos
53 * heap.
54 */
55 struct DPB
56 {
57 BYTE drive_num; /* 0=A, etc. */
58 BYTE unit_num; /* Drive's unit number (?) */
59 WORD sector_size; /* Sector size in bytes */
60 BYTE high_sector; /* Highest sector in a cluster */
61 BYTE shift; /* Shift count (?) */
62 WORD reserved; /* Number of reserved sectors at start */
63 BYTE num_FAT; /* Number of FATs */
64 WORD dir_entries; /* Number of root dir entries */
65 WORD first_data; /* First data sector */
66 WORD high_cluster; /* Highest cluster number */
67 WORD sectors_in_FAT; /* Number of sectors per FAT */
68 WORD start_dir; /* Starting sector of first dir */
69 DWORD driver_head; /* Address of device driver header (?) */
70 BYTE media_ID; /* Media ID */
71 BYTE access_flag; /* Prev. accessed flag (0=yes,0xFF=no) */
72 DWORD next; /* Pointer to next DPB in list */
73 WORD free_search; /* Free cluster search start */
74 WORD free_clusters; /* Number of free clusters (0xFFFF=unknown) */
75 };
76
77 WORD CodePage = 437;
78 DWORD dpbsegptr;
79
80 struct DosHeap {
81 BYTE InDosFlag;
82 BYTE mediaID;
83 BYTE biosdate[8];
84 struct DPB dpb;
85 BYTE DummyDBCSLeadTable[6];
86 };
87 static struct DosHeap *heap;
88 static WORD DosHeapHandle;
89
90 extern char TempDirectory[];
91
92 static BOOL INT21_CreateHeap(void)
93 {
94 if (!(DosHeapHandle = GlobalAlloc16(GMEM_FIXED,sizeof(struct DosHeap))))
95 {
96 WARN("Out of memory\n");
97 return FALSE;
98 }
99 heap = (struct DosHeap *) GlobalLock16(DosHeapHandle);
100 dpbsegptr = PTR_SEG_OFF_TO_SEGPTR(DosHeapHandle,(int)&heap->dpb-(int)heap);
101 heap->InDosFlag = 0;
102 strcpy(heap->biosdate, "01/01/80");
103 memset(heap->DummyDBCSLeadTable, 0, 6);
104 return TRUE;
105 }
106
107 static BYTE *GetCurrentDTA( CONTEXT86 *context )
108 {
109 TDB *pTask = (TDB *)GlobalLock16( GetCurrentTask() );
110
111 /* FIXME: This assumes DTA was set correctly! */
112 return (BYTE *)CTX_SEG_OFF_TO_LIN( context, SELECTOROF(pTask->dta),
113 (DWORD)OFFSETOF(pTask->dta) );
114 }
115
116
117 void CreateBPB(int drive, BYTE *data, BOOL16 limited)
118 /* limited == TRUE is used with INT 0x21/0x440d */
119 {
120 if (drive > 1) {
121 setword(data, 512);
122 data[2] = 2;
123 setword(&data[3], 0);
124 data[5] = 2;
125 setword(&data[6], 240);
126 setword(&data[8], 64000);
127 data[0x0a] = 0xf8;
128 setword(&data[0x0b], 40);
129 setword(&data[0x0d], 56);
130 setword(&data[0x0f], 2);
131 setword(&data[0x11], 0);
132 if (!limited) {
133 setword(&data[0x1f], 800);
134 data[0x21] = 5;
135 setword(&data[0x22], 1);
136 }
137 } else { /* 1.44mb */
138 setword(data, 512);
139 data[2] = 2;
140 setword(&data[3], 0);
141 data[5] = 2;
142 setword(&data[6], 240);
143 setword(&data[8], 2880);
144 data[0x0a] = 0xf8;
145 setword(&data[0x0b], 6);
146 setword(&data[0x0d], 18);
147 setword(&data[0x0f], 2);
148 setword(&data[0x11], 0);
149 if (!limited) {
150 setword(&data[0x1f], 80);
151 data[0x21] = 7;
152 setword(&data[0x22], 2);
153 }
154 }
155 }
156
157 static int INT21_GetFreeDiskSpace( CONTEXT86 *context )
158 {
159 DWORD cluster_sectors, sector_bytes, free_clusters, total_clusters;
160 char root[] = "A:\\";
161
162 *root += DOS_GET_DRIVE( DL_reg(context) );
163 if (!GetDiskFreeSpaceA( root, &cluster_sectors, &sector_bytes,
164 &free_clusters, &total_clusters )) return 0;
165 AX_reg(context) = cluster_sectors;
166 BX_reg(context) = free_clusters;
167 CX_reg(context) = sector_bytes;
168 DX_reg(context) = total_clusters;
169 return 1;
170 }
171
172 static int INT21_GetDriveAllocInfo( CONTEXT86 *context )
173 {
174 if (!INT21_GetFreeDiskSpace( context )) return 0;
175 if (!heap && !INT21_CreateHeap()) return 0;
176 heap->mediaID = 0xf0;
177 DS_reg(context) = DosHeapHandle;
178 BX_reg(context) = (int)&heap->mediaID - (int)heap;
179 return 1;
180 }
181
182 static void GetDrivePB( CONTEXT86 *context, int drive )
183 {
184 if(!DRIVE_IsValid(drive))
185 {
186 SetLastError( ERROR_INVALID_DRIVE );
187 AX_reg(context) = 0x00ff;
188 }
189 else if (heap || INT21_CreateHeap())
190 {
191 FIXME("GetDrivePB not fully implemented.\n");
192
193 /* FIXME: I have no idea what a lot of this information should
194 * say or whether it even really matters since we're not allowing
195 * direct block access. However, some programs seem to depend on
196 * getting at least _something_ back from here. The 'next' pointer
197 * does worry me, though. Should we have a complete table of
198 * separate DPBs per drive? Probably, but I'm lazy. :-) -CH
199 */
200 heap->dpb.drive_num = heap->dpb.unit_num = drive; /*The same?*/
201 heap->dpb.sector_size = 512;
202 heap->dpb.high_sector = 1;
203 heap->dpb.shift = drive < 2 ? 0 : 6; /*6 for HD, 0 for floppy*/
204 heap->dpb.reserved = 0;
205 heap->dpb.num_FAT = 1;
206 heap->dpb.dir_entries = 2;
207 heap->dpb.first_data = 2;
208 heap->dpb.high_cluster = 64000;
209 heap->dpb.sectors_in_FAT = 1;
210 heap->dpb.start_dir = 1;
211 heap->dpb.driver_head = 0;
212 heap->dpb.media_ID = (drive > 1) ? 0xF8 : 0xF0;
213 heap->dpb.access_flag = 0;
214 heap->dpb.next = 0;
215 heap->dpb.free_search = 0;
216 heap->dpb.free_clusters = 0xFFFF; /* unknown */
217
218 AL_reg(context) = 0x00;
219 DS_reg(context) = SELECTOROF(dpbsegptr);
220 BX_reg(context) = OFFSETOF(dpbsegptr);
221 }
222 }
223
224
225 static void ioctlGetDeviceInfo( CONTEXT86 *context )
226 {
227 int curr_drive;
228 const DOS_DEVICE *dev;
229
230 TRACE("(%d)\n", BX_reg(context));
231
232 RESET_CFLAG(context);
233
234 /* DOS device ? */
235 if ((dev = DOSFS_GetDeviceByHandle( FILE_GetHandle(BX_reg(context)) )))
236 {
237 DX_reg(context) = dev->flags;
238 return;
239 }
240
241 /* it seems to be a file */
242 curr_drive = DRIVE_GetCurrentDrive();
243 DX_reg(context) = 0x0140 + curr_drive + ((curr_drive > 1) ? 0x0800 : 0);
244 /* no floppy */
245 /* bits 0-5 are current drive
246 * bit 6 - file has NOT been written..FIXME: correct?
247 * bit 8 - generate int24 if no diskspace on write/ read past end of file
248 * bit 11 - media not removable
249 * bit 14 - don't set file date/time on closing
250 * bit 15 - file is remote
251 */
252 }
253
254 static BOOL ioctlGenericBlkDevReq( CONTEXT86 *context )
255 {
256 BYTE *dataptr = CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context));
257 int drive = DOS_GET_DRIVE( BL_reg(context) );
258
259 if (!DRIVE_IsValid(drive))
260 {
261 SetLastError( ERROR_FILE_NOT_FOUND );
262 return TRUE;
263 }
264
265 if (CH_reg(context) != 0x08)
266 {
267 INT_BARF( context, 0x21 );
268 return FALSE;
269 }
270
271 switch (CL_reg(context))
272 {
273 case 0x4a: /* lock logical volume */
274 TRACE("lock logical volume (%d) level %d mode %d\n",drive,BH_reg(context),DX_reg(context));
275 break;
276
277 case 0x60: /* get device parameters */
278 /* used by w4wgrp's winfile */
279 memset(dataptr, 0, 0x20); /* DOS 6.22 uses 0x20 bytes */
280 dataptr[0] = 0x04;
281 dataptr[6] = 0; /* media type */
282 if (drive > 1)
283 {
284 dataptr[1] = 0x05; /* fixed disk */
285 setword(&dataptr[2], 0x01); /* non removable */
286 setword(&dataptr[4], 0x300); /* # of cylinders */
287 }
288 else
289 {
290 dataptr[1] = 0x07; /* block dev, floppy */
291 setword(&dataptr[2], 0x02); /* removable */
292 setword(&dataptr[4], 80); /* # of cylinders */
293 }
294 CreateBPB(drive, &dataptr[7], TRUE);
295 RESET_CFLAG(context);
296 break;
297
298 case 0x41: /* write logical device track */
299 case 0x61: /* read logical device track */
300 {
301 BYTE drive = BL_reg(context) ?
302 BL_reg(context) : DRIVE_GetCurrentDrive();
303 WORD head = *(WORD *)dataptr+1;
304 WORD cyl = *(WORD *)dataptr+3;
305 WORD sect = *(WORD *)dataptr+5;
306 WORD nrsect = *(WORD *)dataptr+7;
307 BYTE *data = (BYTE *)dataptr+9;
308 int (*raw_func)(BYTE, DWORD, DWORD, BYTE *, BOOL);
309
310 raw_func = (CL_reg(context) == 0x41) ?
311 DRIVE_RawWrite : DRIVE_RawRead;
312
313 if (raw_func(drive, head*cyl*sect, nrsect, data, FALSE))
314 RESET_CFLAG(context);
315 else
316 {
317 AX_reg(context) = 0x1e; /* read fault */
318 SET_CFLAG(context);
319 }
320 }
321 break;
322 case 0x66:/* get disk serial number */
323 {
324 char label[12],fsname[9],path[4];
325 DWORD serial;
326
327 strcpy(path,"x:\\");path[0]=drive+'A';
328 GetVolumeInformationA(
329 path,label,12,&serial,NULL,NULL,fsname,9
330 );
331 *(WORD*)dataptr = 0;
332 memcpy(dataptr+2,&serial,4);
333 memcpy(dataptr+6,label ,11);
334 memcpy(dataptr+17,fsname,8);
335 }
336 break;
337
338 case 0x6a:
339 TRACE("logical volume %d unlocked.\n",drive);
340 break;
341
342 case 0x6f:
343 memset(dataptr+1, '\0', dataptr[0]-1);
344 dataptr[1] = dataptr[0];
345 dataptr[2] = 0x07; /* protected mode driver; no eject; no notification */
346 dataptr[3] = 0xFF; /* no physical drive */
347 break;
348
349 case 0x72:
350 /* Trail on error implementation */
351 AX_reg(context) = GetDriveType16(BL_reg(context)) == DRIVE_CANNOTDETERMINE ? 0x0f : 0x01;
352 SET_CFLAG(context); /* Seems to be set all the time */
353 break;
354
355 default:
356 INT_BARF( context, 0x21 );
357 }
358 return FALSE;
359 }
360
361 static void INT21_ParseFileNameIntoFCB( CONTEXT86 *context )
362 {
363 char *filename =
364 CTX_SEG_OFF_TO_LIN(context, DS_reg(context), ESI_reg(context) );
365 char *fcb =
366 CTX_SEG_OFF_TO_LIN(context, ES_reg(context), EDI_reg(context) );
367 char *buffer, *s, *d;
368
369 AL_reg(context) = 0xff; /* failed */
370
371 TRACE("filename: '%s'\n", filename);
372
373 buffer = HeapAlloc( GetProcessHeap(), 0, strlen(filename) + 1);
374
375 s = filename;
376 d = buffer;
377 while (*s)
378 {
379 if ((*s != ' ') && (*s != '\r') && (*s != '\n'))
380 *d++ = *s++;
381 else
382 break;
383 }
384
385 *d = '\0';
386 DOSFS_ToDosFCBFormat(buffer, fcb + 1);
387 *fcb = 0;
388 TRACE("FCB: '%s'\n", ((CHAR *)fcb + 1));
389
390 HeapFree( GetProcessHeap(), 0, buffer);
391
392 AL_reg(context) =
393 ((strchr(filename, '*')) || (strchr(filename, '$'))) != 0;
394
395 /* point DS:SI to first unparsed character */
396 SI_reg(context) += (int)s - (int)filename;
397 }
398
399 static void INT21_GetSystemDate( CONTEXT86 *context )
400 {
401 SYSTEMTIME systime;
402 GetLocalTime( &systime );
403 CX_reg(context) = systime.wYear;
404 DX_reg(context) = (systime.wMonth << 8) | systime.wDay;
405 AX_reg(context) = systime.wDayOfWeek;
406 }
407
408 static void INT21_GetSystemTime( CONTEXT86 *context )
409 {
410 SYSTEMTIME systime;
411 GetLocalTime( &systime );
412 CX_reg(context) = (systime.wHour << 8) | systime.wMinute;
413 DX_reg(context) = (systime.wSecond << 8) | (systime.wMilliseconds / 10);
414 }
415
416 /* Many calls translate a drive argument like this:
417 drive number (00h = default, 01h = A:, etc)
418 */
419 static char drivestring[]="default";
420
421 char *INT21_DriveName(int drive)
422 {
423
424 if(drive >0)
425 {
426 drivestring[0]= (unsigned char)drive + '@';
427 drivestring[1]=':';
428 drivestring[2]=0;
429 }
430 return drivestring;
431 }
432 static BOOL INT21_CreateFile( CONTEXT86 *context )
433 {
434 AX_reg(context) = _lcreat16( CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
435 EDX_reg(context) ), CX_reg(context) );
436 return (AX_reg(context) == (WORD)HFILE_ERROR16);
437 }
438
439 static HFILE16 _lcreat16_uniq( LPCSTR path, INT attr )
440 {
441 /* Mask off all flags not explicitly allowed by the doc */
442 attr &= FILE_ATTRIBUTE_READONLY | FILE_ATTRIBUTE_HIDDEN | FILE_ATTRIBUTE_SYSTEM;
443 return FILE_AllocDosHandle( CreateFileA( path, GENERIC_READ | GENERIC_WRITE,
444 FILE_SHARE_READ | FILE_SHARE_WRITE, NULL,
445 CREATE_NEW, attr, -1 ));
446 }
447
448 static void OpenExistingFile( CONTEXT86 *context )
449 {
450 AX_reg(context) = _lopen16( CTX_SEG_OFF_TO_LIN(context, DS_reg(context),EDX_reg(context)),
451 AL_reg(context) );
452 if (AX_reg(context) == (WORD)HFILE_ERROR16)
453 {
454 AX_reg(context) = GetLastError();
455 SET_CFLAG(context);
456 }
457 }
458
459 static BOOL INT21_ExtendedOpenCreateFile(CONTEXT86 *context )
460 {
461 BOOL bExtendedError = FALSE;
462 BYTE action = DL_reg(context);
463
464 /* Shuffle arguments to call OpenExistingFile */
465 AL_reg(context) = BL_reg(context);
466 DX_reg(context) = SI_reg(context);
467 /* BX,CX and DX should be preserved */
468 OpenExistingFile(context);
469
470 if ((EFL_reg(context) & 0x0001) == 0) /* File exists */
471 {
472 UINT16 uReturnCX = 0;
473
474 /* Now decide what do do */
475
476 if ((action & 0x07) == 0)
477 {
478 _lclose16( AX_reg(context) );
479 AX_reg(context) = 0x0050; /*File exists*/
480 SET_CFLAG(context);
481 WARN("extended open/create: failed because file exists \n");
482 }
483 else if ((action & 0x07) == 2)
484 {
485 /* Truncate it, but first check if opened for write */
486 if ((BL_reg(context) & 0x0007)== 0)
487 {
488 _lclose16( AX_reg(context) );
489 WARN("extended open/create: failed, trunc on ro file\n");
490 AX_reg(context) = 0x000C; /*Access code invalid*/
491 SET_CFLAG(context);
492 }
493 else
494 {
495 TRACE("extended open/create: Closing before truncate\n");
496 if (_lclose16( AX_reg(context) ))
497 {
498 WARN("extended open/create: close before trunc failed\n");
499 AX_reg(context) = 0x0019; /*Seek Error*/
500 CX_reg(context) = 0;
501 SET_CFLAG(context);
502 }
503 /* Shuffle arguments to call CreateFile */
504
505 TRACE("extended open/create: Truncating\n");
506 AL_reg(context) = BL_reg(context);
507 /* CX is still the same */
508 DX_reg(context) = SI_reg(context);
509 bExtendedError = INT21_CreateFile(context);
510
511 if (EFL_reg(context) & 0x0001) /*no file open, flags set */
512 {
513 WARN("extended open/create: trunc failed\n");
514 return bExtendedError;
515 }
516 uReturnCX = 0x3;
517 }
518 }
519 else uReturnCX = 0x1;
520
521 CX_reg(context) = uReturnCX;
522 }
523 else /* file does not exist */
524 {
525 RESET_CFLAG(context); /* was set by OpenExistingFile(context) */
526 if ((action & 0xF0)== 0)
527 {
528 CX_reg(context) = 0;
529 SET_CFLAG(context);
530 WARN("extended open/create: failed, file dosen't exist\n");
531 }
532 else
533 {
534 /* Shuffle arguments to call CreateFile */
535 TRACE("extended open/create: Creating\n");
536 AL_reg(context) = BL_reg(context);
537 /* CX should still be the same */
538 DX_reg(context) = SI_reg(context);
539 bExtendedError = INT21_CreateFile(context);
540 if (EFL_reg(context) & 0x0001) /*no file open, flags set */
541 {
542 WARN("extended open/create: create failed\n");
543 return bExtendedError;
544 }
545 CX_reg(context) = 2;
546 }
547 }
548
549 return bExtendedError;
550 }
551
552
553 static BOOL INT21_ChangeDir( CONTEXT86 *context )
554 {
555 int drive;
556 char *dirname = CTX_SEG_OFF_TO_LIN(context, DS_reg(context),EDX_reg(context));
557
558 TRACE("changedir %s\n", dirname);
559 if (dirname[0] && (dirname[1] == ':'))
560 {
561 drive = toupper(dirname[0]) - 'A';
562 dirname += 2;
563 }
564 else drive = DRIVE_GetCurrentDrive();
565 return DRIVE_Chdir( drive, dirname );
566 }
567
568
569 static int INT21_FindFirst( CONTEXT86 *context )
570 {
571 char *p;
572 const char *path;
573 DOS_FULL_NAME full_name;
574 FINDFILE_DTA *dta = (FINDFILE_DTA *)GetCurrentDTA(context);
575
576 path = (const char *)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context));
577 dta->unixPath = NULL;
578 if (!DOSFS_GetFullName( path, FALSE, &full_name ))
579 {
580 AX_reg(context) = GetLastError();
581 SET_CFLAG(context);
582 return 0;
583 }
584 dta->unixPath = HEAP_strdupA( GetProcessHeap(), 0, full_name.long_name );
585 p = strrchr( dta->unixPath, '/' );
586 *p = '\0';
587
588 /* Note: terminating NULL in dta->mask overwrites dta->search_attr
589 * (doesn't matter as it is set below anyway)
590 */
591 if (!DOSFS_ToDosFCBFormat( p + 1, dta->mask ))
592 {
593 HeapFree( GetProcessHeap(), 0, dta->unixPath );
594 dta->unixPath = NULL;
595 SetLastError( ERROR_FILE_NOT_FOUND );
596 AX_reg(context) = ERROR_FILE_NOT_FOUND;
597 SET_CFLAG(context);
598 return 0;
599 }
600 dta->drive = (path[0] && (path[1] == ':')) ? toupper(path[0]) - 'A'
601 : DRIVE_GetCurrentDrive();
602 dta->count = 0;
603 dta->search_attr = CL_reg(context);
604 return 1;
605 }
606
607
608 static int INT21_FindNext( CONTEXT86 *context )
609 {
610 FINDFILE_DTA *dta = (FINDFILE_DTA *)GetCurrentDTA(context);
611 WIN32_FIND_DATAA entry;
612 int count;
613
614 if (!dta->unixPath) return 0;
615 if (!(count = DOSFS_FindNext( dta->unixPath, dta->mask, NULL, dta->drive,
616 dta->search_attr, dta->count, &entry )))
617 {
618 HeapFree( GetProcessHeap(), 0, dta->unixPath );
619 dta->unixPath = NULL;
620 return 0;
621 }
622 if ((int)dta->count + count > 0xffff)
623 {
624 WARN("Too many directory entries in %s\n", dta->unixPath );
625 HeapFree( GetProcessHeap(), 0, dta->unixPath );
626 dta->unixPath = NULL;
627 return 0;
628 }
629 dta->count += count;
630 dta->fileattr = entry.dwFileAttributes;
631 dta->filesize = entry.nFileSizeLow;
632 FileTimeToDosDateTime( &entry.ftLastWriteTime,
633 &dta->filedate, &dta->filetime );
634 strcpy( dta->filename, entry.cAlternateFileName );
635 if (!memchr(dta->mask,'?',11)) {
636 /* wildcardless search, release resources in case no findnext will
637 * be issued, and as a workaround in case file creation messes up
638 * findnext, as sometimes happens with pkunzip */
639 HeapFree( GetProcessHeap(), 0, dta->unixPath );
640 dta->unixPath = NULL;
641 }
642 return 1;
643 }
644
645
646 static BOOL INT21_CreateTempFile( CONTEXT86 *context )
647 {
648 static int counter = 0;
649 char *name = CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context) );
650 char *p = name + strlen(name);
651
652 /* despite what Ralf Brown says, some programs seem to call without
653 * ending backslash (DOS accepts that, so we accept it too) */
654 if ((p == name) || (p[-1] != '\\')) *p++ = '\\';
655
656 for (;;)
657 {
658 sprintf( p, "wine%04x.%03d", (int)getpid(), counter );
659 counter = (counter + 1) % 1000;
660
661 if ((AX_reg(context) = _lcreat16_uniq( name, 0 )) != (WORD)HFILE_ERROR16)
662 {
663 TRACE("created %s\n", name );
664 return TRUE;
665 }
666 if (GetLastError() != ERROR_FILE_EXISTS) return FALSE;
667 }
668 }
669
670
671 static BOOL INT21_GetCurrentDirectory( CONTEXT86 *context )
672 {
673 int drive = DOS_GET_DRIVE( DL_reg(context) );
674 char *ptr = (char *)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), ESI_reg(context) );
675
676 if (!DRIVE_IsValid(drive))
677 {
678 SetLastError( ERROR_INVALID_DRIVE );
679 return FALSE;
680 }
681 lstrcpynA( ptr, DRIVE_GetDosCwd(drive), 64 );
682 AX_reg(context) = 0x0100; /* success return code */
683 return TRUE;
684 }
685
686
687 static void INT21_GetDBCSLeadTable( CONTEXT86 *context )
688 {
689 if (heap || INT21_CreateHeap())
690 { /* return an empty table just as DOS 4.0+ does */
691 DS_reg(context) = DosHeapHandle;
692 SI_reg(context) = (int)&heap->DummyDBCSLeadTable - (int)heap;
693 }
694 else
695 {
696 AX_reg(context) = 0x1; /* error */
697 SET_CFLAG(context);
698 }
699 }
700
701
702 static int INT21_GetDiskSerialNumber( CONTEXT86 *context )
703 {
704 BYTE *dataptr = CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context));
705 int drive = DOS_GET_DRIVE( BL_reg(context) );
706
707 if (!DRIVE_IsValid(drive))
708 {
709 SetLastError( ERROR_INVALID_DRIVE );
710 return 0;
711 }
712
713 *(WORD *)dataptr = 0;
714 *(DWORD *)(dataptr + 2) = DRIVE_GetSerialNumber( drive );
715 memcpy( dataptr + 6, DRIVE_GetLabel( drive ), 11 );
716 strncpy(dataptr + 0x11, "FAT16 ", 8);
717 return 1;
718 }
719
720
721 static int INT21_SetDiskSerialNumber( CONTEXT86 *context )
722 {
723 BYTE *dataptr = CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context));
724 int drive = DOS_GET_DRIVE( BL_reg(context) );
725
726 if (!DRIVE_IsValid(drive))
727 {
728 SetLastError( ERROR_INVALID_DRIVE );
729 return 0;
730 }
731
732 DRIVE_SetSerialNumber( drive, *(DWORD *)(dataptr + 2) );
733 return 1;
734 }
735
736
737 /* microsoft's programmers should be shot for using CP/M style int21
738 calls in Windows for Workgroup's winfile.exe */
739
740 static int INT21_FindFirstFCB( CONTEXT86 *context )
741 {
742 BYTE *fcb = (BYTE *)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context));
743 FINDFILE_FCB *pFCB;
744 LPCSTR root, cwd;
745 int drive;
746
747 if (*fcb == 0xff) pFCB = (FINDFILE_FCB *)(fcb + 7);
748 else pFCB = (FINDFILE_FCB *)fcb;
749 drive = DOS_GET_DRIVE( pFCB->drive );
750 if (!DRIVE_IsValid( drive )) return 0;
751 root = DRIVE_GetRoot( drive );
752 cwd = DRIVE_GetUnixCwd( drive );
753 pFCB->unixPath = HeapAlloc( GetProcessHeap(), 0,
754 strlen(root)+strlen(cwd)+2 );
755 if (!pFCB->unixPath) return 0;
756 strcpy( pFCB->unixPath, root );
757 strcat( pFCB->unixPath, "/" );
758 strcat( pFCB->unixPath, cwd );
759 pFCB->count = 0;
760 return 1;
761 }
762
763
764 static int INT21_FindNextFCB( CONTEXT86 *context )
765 {
766 BYTE *fcb = (BYTE *)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context));
767 FINDFILE_FCB *pFCB;
768 DOS_DIRENTRY_LAYOUT *pResult = (DOS_DIRENTRY_LAYOUT *)GetCurrentDTA(context);
769 WIN32_FIND_DATAA entry;
770 BYTE attr;
771 int count;
772
773 if (*fcb == 0xff) /* extended FCB ? */
774 {
775 attr = fcb[6];
776 pFCB = (FINDFILE_FCB *)(fcb + 7);
777 }
778 else
779 {
780 attr = 0;
781 pFCB = (FINDFILE_FCB *)fcb;
782 }
783
784 if (!pFCB->unixPath) return 0;
785 if (!(count = DOSFS_FindNext( pFCB->unixPath, pFCB->filename, NULL,
786 DOS_GET_DRIVE( pFCB->drive ), attr,
787 pFCB->count, &entry )))
788 {
789 HeapFree( GetProcessHeap(), 0, pFCB->unixPath );
790 pFCB->unixPath = NULL;
791 return 0;
792 }
793 pFCB->count += count;
794
795 if (*fcb == 0xff) { /* place extended FCB header before pResult if called with extended FCB */
796 *(BYTE *)pResult = 0xff;
797 (BYTE *)pResult +=6; /* leave reserved field behind */
798 *(BYTE *)pResult = entry.dwFileAttributes;
799 ((BYTE *)pResult)++;
800 }
801 *(BYTE *)pResult = DOS_GET_DRIVE( pFCB->drive ); /* DOS_DIRENTRY_LAYOUT after current drive number */
802 ((BYTE *)pResult)++;
803 pResult->fileattr = entry.dwFileAttributes;
804 pResult->cluster = 0; /* what else? */
805 pResult->filesize = entry.nFileSizeLow;
806 memset( pResult->reserved, 0, sizeof(pResult->reserved) );
807 FileTimeToDosDateTime( &entry.ftLastWriteTime,
808 &pResult->filedate, &pResult->filetime );
809
810 /* Convert file name to FCB format */
811
812 memset( pResult->filename, ' ', sizeof(pResult->filename) );
813 if (!strcmp( entry.cAlternateFileName, "." )) pResult->filename[0] = '.';
814 else if (!strcmp( entry.cAlternateFileName, ".." ))
815 pResult->filename[0] = pResult->filename[1] = '.';
816 else
817 {
818 char *p = strrchr( entry.cAlternateFileName, '.' );
819 if (p && p[1] && (p != entry.cAlternateFileName))
820 {
821 memcpy( pResult->filename, entry.cAlternateFileName,
822 MIN( (p - entry.cAlternateFileName), 8 ) );
823 memcpy( pResult->filename + 8, p + 1, MIN( strlen(p), 3 ) );
824 }
825 else
826 memcpy( pResult->filename, entry.cAlternateFileName,
827 MIN( strlen(entry.cAlternateFileName), 8 ) );
828 }
829 return 1;
830 }
831
832
833 static void DeleteFileFCB( CONTEXT86 *context )
834 {
835 FIXME("(%p): stub\n", context);
836 }
837
838 static void RenameFileFCB( CONTEXT86 *context )
839 {
840 FIXME("(%p): stub\n", context);
841 }
842
843
844
845 static void fLock( CONTEXT86 * context )
846 {
847
848 switch ( AX_reg(context) & 0xff )
849 {
850 case 0x00: /* LOCK */
851 TRACE("lock handle %d offset %ld length %ld\n",
852 BX_reg(context),
853 MAKELONG(DX_reg(context),CX_reg(context)),
854 MAKELONG(DI_reg(context),SI_reg(context))) ;
855 if (!LockFile(FILE_GetHandle(BX_reg(context)),
856 MAKELONG(DX_reg(context),CX_reg(context)), 0,
857 MAKELONG(DI_reg(context),SI_reg(context)), 0)) {
858 AX_reg(context) = GetLastError();
859 SET_CFLAG(context);
860 }
861 break;
862
863 case 0x01: /* UNLOCK */
864 TRACE("unlock handle %d offset %ld length %ld\n",
865 BX_reg(context),
866 MAKELONG(DX_reg(context),CX_reg(context)),
867 MAKELONG(DI_reg(context),SI_reg(context))) ;
868 if (!UnlockFile(FILE_GetHandle(BX_reg(context)),
869 MAKELONG(DX_reg(context),CX_reg(context)), 0,
870 MAKELONG(DI_reg(context),SI_reg(context)), 0)) {
871 AX_reg(context) = GetLastError();
872 SET_CFLAG(context);
873 }
874 return;
875 default:
876 AX_reg(context) = 0x0001;
877 SET_CFLAG(context);
878 return;
879 }
880 }
881
882 static BOOL
883 INT21_networkfunc (CONTEXT86 *context)
884 {
885 switch (AL_reg(context)) {
886 case 0x00: /* Get machine name. */
887 {
888 char *dst = CTX_SEG_OFF_TO_LIN (context,DS_reg(context),EDX_reg(context));
889 TRACE("getting machine name to %p\n", dst);
890 if (gethostname (dst, 15))
891 {
892 WARN("failed!\n");
893 SetLastError( ER_NoNetwork );
894 return TRUE;
895 } else {
896 int len = strlen (dst);
897 while (len < 15)
898 dst[len++] = ' ';
899 dst[15] = 0;
900 CH_reg(context) = 1; /* Valid */
901 CL_reg(context) = 1; /* NETbios number??? */
902 TRACE("returning %s\n", debugstr_an (dst, 16));
903 return FALSE;
904 }
905 }
906
907 default:
908 SetLastError( ER_NoNetwork );
909 return TRUE;
910 }
911 }
912
913 static void INT21_SetCurrentPSP(WORD psp)
914 {
915 #ifdef MZ_SUPPORTED
916 TDB *pTask = (TDB *)GlobalLock16( GetCurrentTask() );
917 NE_MODULE *pModule = pTask ? NE_GetPtr( pTask->hModule ) : NULL;
918
919 GlobalUnlock16( GetCurrentTask() );
920 if (pModule->lpDosTask)
921 pModule->lpDosTask->psp_seg = psp;
922 else
923 #endif
924 ERR("Cannot change PSP for non-DOS task!\n");
925 }
926
927 static WORD INT21_GetCurrentPSP()
928 {
929 #ifdef MZ_SUPPORTED
930 TDB *pTask = (TDB *)GlobalLock16( GetCurrentTask() );
931 NE_MODULE *pModule = pTask ? NE_GetPtr( pTask->hModule ) : NULL;
932
933 GlobalUnlock16( GetCurrentTask() );
934 if (pModule->lpDosTask)
935 return pModule->lpDosTask->psp_seg;
936 else
937 #endif
938 return GetCurrentPDB16();
939 }
940
941
942 /***********************************************************************
943 * INT21_GetExtendedError
944 */
945 static void INT21_GetExtendedError( CONTEXT86 *context )
946 {
947 BYTE class, action, locus;
948 WORD error = GetLastError();
949
950 switch(error)
951 {
952 case ERROR_SUCCESS:
953 class = action = locus = 0;
954 break;
955 case ERROR_DIR_NOT_EMPTY:
956 class = EC_Exists;
957 action = SA_Ignore;
958 locus = EL_Disk;
959 break;
960 case ERROR_ACCESS_DENIED:
961 class = EC_AccessDenied;
962 action = SA_Abort;
963 locus = EL_Disk;
964 break;
965 case ERROR_CANNOT_MAKE:
966 class = EC_AccessDenied;
967 action = SA_Abort;
968 locus = EL_Unknown;
969 break;
970 case ERROR_DISK_FULL:
971 case ERROR_HANDLE_DISK_FULL:
972 class = EC_MediaError;
973 action = SA_Abort;
974 locus = EL_Disk;
975 break;
976 case ERROR_FILE_EXISTS:
977 case ERROR_ALREADY_EXISTS:
978 class = EC_Exists;
979 action = SA_Abort;
980 locus = EL_Disk;
981 break;
982 case ERROR_FILE_NOT_FOUND:
983 class = EC_NotFound;
984 action = SA_Abort;
985 locus = EL_Disk;
986 break;
987 case ER_GeneralFailure:
988 class = EC_SystemFailure;
989 action = SA_Abort;
990 locus = EL_Unknown;
991 break;
992 case ERROR_INVALID_DRIVE:
993 class = EC_MediaError;
994 action = SA_Abort;
995 locus = EL_Disk;
996 break;
997 case ERROR_INVALID_HANDLE:
998 class = EC_ProgramError;
999 action = SA_Abort;
1000 locus = EL_Disk;
1001 break;
1002 case ERROR_LOCK_VIOLATION:
1003 class = EC_AccessDenied;
1004 action = SA_Abort;
1005 locus = EL_Disk;
1006 break;
1007 case ERROR_NO_MORE_FILES:
1008 class = EC_MediaError;
1009 action = SA_Abort;
1010 locus = EL_Disk;
1011 break;
1012 case ER_NoNetwork:
1013 class = EC_NotFound;
1014 action = SA_Abort;
1015 locus = EL_Network;
1016 break;
1017 case ERROR_NOT_ENOUGH_MEMORY:
1018 class = EC_OutOfResource;
1019 action = SA_Abort;
1020 locus = EL_Memory;
1021 break;
1022 case ERROR_PATH_NOT_FOUND:
1023 class = EC_NotFound;
1024 action = SA_Abort;
1025 locus = EL_Disk;
1026 break;
1027 case ERROR_SEEK:
1028 class = EC_NotFound;
1029 action = SA_Ignore;
1030 locus = EL_Disk;
1031 break;
1032 case ERROR_SHARING_VIOLATION:
1033 class = EC_Temporary;
1034 action = SA_Retry;
1035 locus = EL_Disk;
1036 break;
1037 case ERROR_TOO_MANY_OPEN_FILES:
1038 class = EC_ProgramError;
1039 action = SA_Abort;
1040 locus = EL_Disk;
1041 break;
1042 default:
1043 FIXME("Unknown error %d\n", error );
1044 class = EC_SystemFailure;
1045 action = SA_Abort;
1046 locus = EL_Unknown;
1047 break;
1048 }
1049 TRACE("GET EXTENDED ERROR code 0x%02x class 0x%02x action 0x%02x locus %02x\n",
1050 error, class, action, locus );
1051 AX_reg(context) = error;
1052 BH_reg(context) = class;
1053 BL_reg(context) = action;
1054 CH_reg(context) = locus;
1055 }
1056
1057 /***********************************************************************
1058 * DOS3Call (KERNEL.102)
1059 */
1060 void WINAPI DOS3Call( CONTEXT86 *context )
1061 {
1062 BOOL bSetDOSExtendedError = FALSE;
1063
1064
1065 TRACE("AX=%04x BX=%04x CX=%04x DX=%04x "
1066 "SI=%04x DI=%04x DS=%04x ES=%04x EFL=%08lx\n",
1067 AX_reg(context), BX_reg(context), CX_reg(context), DX_reg(context),
1068 SI_reg(context), DI_reg(context),
1069 (WORD)DS_reg(context), (WORD)ES_reg(context),
1070 EFL_reg(context) );
1071
1072
1073 if (AH_reg(context) == 0x59) /* Get extended error info */
1074 {
1075 INT21_GetExtendedError( context );
1076 return;
1077 }
1078
1079 if (AH_reg(context) == 0x0C) /* Flush buffer and read standard input */
1080 {
1081 TRACE("FLUSH BUFFER AND READ STANDARD INPUT\n");
1082 /* no flush here yet */
1083 AH_reg(context) = AL_reg(context);
1084 }
1085
1086 if (AH_reg(context)>=0x2f) {
1087 /* extended error is used by (at least) functions 0x2f to 0x62 */
1088 SetLastError(0);
1089 }
1090 RESET_CFLAG(context); /* Not sure if this is a good idea */
1091
1092 switch(AH_reg(context))
1093 {
1094 case 0x03: /* READ CHARACTER FROM STDAUX */
1095 case 0x04: /* WRITE CHARACTER TO STDAUX */
1096 case 0x05: /* WRITE CHARACTER TO PRINTER */
1097 case 0x0f: /* OPEN FILE USING FCB */
1098 case 0x10: /* CLOSE FILE USING FCB */
1099 case 0x14: /* SEQUENTIAL READ FROM FCB FILE */
1100 case 0x15: /* SEQUENTIAL WRITE TO FCB FILE */
1101 case 0x16: /* CREATE OR TRUNCATE FILE USING FCB */
1102 case 0x21: /* READ RANDOM RECORD FROM FCB FILE */
1103 case 0x22: /* WRITE RANDOM RECORD TO FCB FILE */
1104 case 0x23: /* GET FILE SIZE FOR FCB */
1105 case 0x24: /* SET RANDOM RECORD NUMBER FOR FCB */
1106 case 0x26: /* CREATE NEW PROGRAM SEGMENT PREFIX */
1107 case 0x27: /* RANDOM BLOCK READ FROM FCB FILE */
1108 case 0x28: /* RANDOM BLOCK WRITE TO FCB FILE */
1109 INT_BARF( context, 0x21 );
1110 break;
1111
1112 case 0x00: /* TERMINATE PROGRAM */
1113 TRACE("TERMINATE PROGRAM\n");
1114 ExitProcess( 0 );
1115 break;
1116
1117 case 0x01: /* READ CHARACTER FROM STANDARD INPUT, WITH ECHO */
1118 TRACE("DIRECT CHARACTER INPUT WITH ECHO\n");
1119 AL_reg(context) = CONSOLE_GetCharacter();
1120 /* FIXME: no echo */
1121 break;
1122
1123 case 0x02: /* WRITE CHARACTER TO STANDARD OUTPUT */
1124 TRACE("Write Character to Standard Output\n");
1125 CONSOLE_Write(DL_reg(context), 0, 0, 0);
1126 break;
1127
1128 case 0x06: /* DIRECT CONSOLE IN/OUTPUT */
1129 if (DL_reg(context) == 0xff) {
1130 static char scan = 0;
1131 TRACE("Direct Console Input\n");
1132 if (scan) {
1133 /* return pending scancode */
1134 AL_reg(context) = scan;
1135 EFL_reg(context) &= ~0x40; /* clear ZF */
1136 scan = 0;
1137 } else {
1138 char ascii;
1139 if (CONSOLE_CheckForKeystroke(&scan,&ascii)) {
1140 CONSOLE_GetKeystroke(&scan,&ascii);
1141 /* return ASCII code */
1142 AL_reg(context) = ascii;
1143 EFL_reg(context) &= ~0x40; /* clear ZF */
1144 /* return scan code on next call only if ascii==0 */
1145 if (ascii) scan = 0;
1146 } else {
1147 /* nothing pending, clear everything */
1148 AL_reg(context) = 0;
1149 EFL_reg(context) |= 0x40; /* set ZF */
1150 scan = 0; /* just in case */
1151 }
1152 }
1153 } else {
1154 TRACE("Direct Console Output\n");
1155 CONSOLE_Write(DL_reg(context), 0, 0, 0);
1156 }
1157 break;
1158
1159 case 0x07: /* DIRECT CHARACTER INPUT WITHOUT ECHO */
1160 TRACE("DIRECT CHARACTER INPUT WITHOUT ECHO\n");
1161 AL_reg(context) = CONSOLE_GetCharacter();
1162 break;
1163
1164 case 0x08: /* CHARACTER INPUT WITHOUT ECHO */
1165 TRACE("CHARACTER INPUT WITHOUT ECHO\n");
1166 AL_reg(context) = CONSOLE_GetCharacter();
1167 break;
1168
1169 case 0x09: /* WRITE STRING TO STANDARD OUTPUT */
1170 TRACE("WRITE '$'-terminated string from %04lX:%04X to stdout\n",
1171 DS_reg(context),DX_reg(context) );
1172 {
1173 LPSTR data = CTX_SEG_OFF_TO_LIN(context,DS_reg(context),EDX_reg(context));
1174 LPSTR p = data;
1175 /* do NOT use strchr() to calculate the string length,
1176 as '\0' is valid string content, too !
1177 Maybe we should check for non-'$' strings, but DOS doesn't. */
1178 while (*p != '$') p++;
1179 _hwrite16( 1, data, (int)p - (int)data);
1180 AL_reg(context) = '$'; /* yes, '$' (0x24) gets returned in AL */
1181 }
1182 break;
1183
1184 case 0x0a: /* BUFFERED INPUT */
1185 {
1186 char *buffer = ((char *)CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
1187 EDX_reg(context) ));
1188 int res;
1189
1190 TRACE("BUFFERED INPUT (size=%d)\n",buffer[0]);
1191 if (buffer[1])
1192 TRACE("Handle old chars in buffer!\n");
1193 res=_lread16( 0, buffer+2,buffer[0]);
1194 buffer[1]=res;
1195 if(buffer[res+1] == '\n')
1196 buffer[res+1] = '\r';
1197 break;
1198 }
1199
1200 case 0x0b: {/* GET STDIN STATUS */
1201 char x1,x2;
1202
1203 if (CONSOLE_CheckForKeystroke(&x1,&x2))
1204 AL_reg(context) = 0xff;
1205 else
1206 AL_reg(context) = 0;
1207 break;
1208 }
1209 case 0x2e: /* SET VERIFY FLAG */
1210 TRACE("SET VERIFY FLAG ignored\n");
1211 /* we cannot change the behaviour anyway, so just ignore it */
1212 break;
1213
1214 case 0x18: /* NULL FUNCTIONS FOR CP/M COMPATIBILITY */
1215 case 0x1d:
1216 case 0x1e:
1217 case 0x20:
1218 case 0x6b: /* NULL FUNCTION */
1219 AL_reg(context) = 0;
1220 break;
1221
1222 case 0x5c: /* "FLOCK" - RECORD LOCKING */
1223 fLock(context);
1224 break;
1225
1226 case 0x0d: /* DISK BUFFER FLUSH */
1227 TRACE("DISK BUFFER FLUSH ignored\n");
1228 RESET_CFLAG(context); /* dos 6+ only */
1229 break;
1230
1231 case 0x0e: /* SELECT DEFAULT DRIVE */
1232 TRACE("SELECT DEFAULT DRIVE %d\n", DL_reg(context));
1233 DRIVE_SetCurrentDrive( DL_reg(context) );
1234 AL_reg(context) = MAX_DOS_DRIVES;
1235 break;
1236
1237 case 0x11: /* FIND FIRST MATCHING FILE USING FCB */
1238 TRACE("FIND FIRST MATCHING FILE USING FCB %p\n",
1239 CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context)));
1240 if (!INT21_FindFirstFCB(context))
1241 {
1242 AL_reg(context) = 0xff;
1243 break;
1244 }
1245 /* else fall through */
1246
1247 case 0x12: /* FIND NEXT MATCHING FILE USING FCB */
1248 AL_reg(context) = INT21_FindNextFCB(context) ? 0x00 : 0xff;
1249 break;
1250
1251 case 0x13: /* DELETE FILE USING FCB */
1252 DeleteFileFCB(context);
1253 break;
1254
1255 case 0x17: /* RENAME FILE USING FCB */
1256 RenameFileFCB(context);
1257 break;
1258
1259 case 0x19: /* GET CURRENT DEFAULT DRIVE */
1260 AL_reg(context) = DRIVE_GetCurrentDrive();
1261 break;
1262
1263 case 0x1a: /* SET DISK TRANSFER AREA ADDRESS */
1264 {
1265 TDB *pTask = (TDB *)GlobalLock16( GetCurrentTask() );
1266 pTask->dta = PTR_SEG_OFF_TO_SEGPTR(DS_reg(context),DX_reg(context));
1267 TRACE("Set DTA: %08lx\n", pTask->dta);
1268 }
1269 break;
1270
1271 case 0x1b: /* GET ALLOCATION INFORMATION FOR DEFAULT DRIVE */
1272 DL_reg(context) = 0;
1273 if (!INT21_GetDriveAllocInfo(context)) AX_reg(context) = 0xffff;
1274 break;
1275
1276 case 0x1c: /* GET ALLOCATION INFORMATION FOR SPECIFIC DRIVE */
1277 if (!INT21_GetDriveAllocInfo(context)) AX_reg(context) = 0xffff;
1278 break;
1279
1280 case 0x1f: /* GET DRIVE PARAMETER BLOCK FOR DEFAULT DRIVE */
1281 GetDrivePB(context, DRIVE_GetCurrentDrive());
1282 break;
1283
1284 case 0x25: /* SET INTERRUPT VECTOR */
1285 INT_CtxSetHandler( context, AL_reg(context),
1286 (FARPROC16)PTR_SEG_OFF_TO_SEGPTR( DS_reg(context),
1287 DX_reg(context)));
1288 break;
1289
1290 case 0x29: /* PARSE FILENAME INTO FCB */
1291 INT21_ParseFileNameIntoFCB(context);
1292 break;
1293
1294 case 0x2a: /* GET SYSTEM DATE */
1295 INT21_GetSystemDate(context);
1296 break;
1297
1298 case 0x2b: /* SET SYSTEM DATE */
1299 FIXME("SetSystemDate(%02d/%02d/%04d): not allowed\n",
1300 DL_reg(context), DH_reg(context), CX_reg(context) );
1301 AL_reg(context) = 0; /* Let's pretend we succeeded */
1302 break;
1303
1304 case 0x2c: /* GET SYSTEM TIME */
1305 INT21_GetSystemTime(context);
1306 break;
1307
1308 case 0x2d: /* SET SYSTEM TIME */
1309 FIXME("SetSystemTime(%02d:%02d:%02d.%02d): not allowed\n",
1310 CH_reg(context), CL_reg(context),
1311 DH_reg(context), DL_reg(context) );
1312 AL_reg(context) = 0; /* Let's pretend we succeeded */
1313 break;
1314
1315 case 0x2f: /* GET DISK TRANSFER AREA ADDRESS */
1316 TRACE("GET DISK TRANSFER AREA ADDRESS\n");
1317 {
1318 TDB *pTask = (TDB *)GlobalLock16( GetCurrentTask() );
1319 ES_reg(context) = SELECTOROF( pTask->dta );
1320 BX_reg(context) = OFFSETOF( pTask->dta );
1321 }
1322 break;
1323
1324 case 0x30: /* GET DOS VERSION */
1325 TRACE("GET DOS VERSION %s requested\n",
1326 (AL_reg(context) == 0x00)?"OEM number":"version flag");
1327 AX_reg(context) = (HIWORD(GetVersion16()) >> 8) |
1328 (HIWORD(GetVersion16()) << 8);
1329 #if 0
1330 AH_reg(context) = 0x7;
1331 AL_reg(context) = 0xA;
1332 #endif
1333
1334 BX_reg(context) = 0x00FF; /* 0x123456 is Wine's serial # */
1335 CX_reg(context) = 0x0000;
1336 break;
1337
1338 case 0x31: /* TERMINATE AND STAY RESIDENT */
1339 FIXME("TERMINATE AND STAY RESIDENT stub\n");
1340 break;
1341
1342 case 0x32: /* GET DOS DRIVE PARAMETER BLOCK FOR SPECIFIC DRIVE */
1343 TRACE("GET DOS DRIVE PARAMETER BLOCK FOR DRIVE %s\n",
1344 INT21_DriveName( DL_reg(context)));
1345 GetDrivePB(context, DOS_GET_DRIVE( DL_reg(context) ) );
1346 break;
1347
1348 case 0x33: /* MULTIPLEXED */
1349 switch (AL_reg(context))
1350 {
1351 case 0x00: /* GET CURRENT EXTENDED BREAK STATE */
1352 TRACE("GET CURRENT EXTENDED BREAK STATE\n");
1353 DL_reg(context) = DOSCONF_config.brk_flag;
1354 break;
1355
1356 case 0x01: /* SET EXTENDED BREAK STATE */
1357 TRACE("SET CURRENT EXTENDED BREAK STATE\n");
1358 DOSCONF_config.brk_flag = (DL_reg(context) > 0);
1359 break;
1360
1361 case 0x02: /* GET AND SET EXTENDED CONTROL-BREAK CHECKING STATE*/
1362 TRACE("GET AND SET EXTENDED CONTROL-BREAK CHECKING STATE\n");
1363 /* ugly coding in order to stay reentrant */
1364 if (DL_reg(context))
1365 {
1366 DL_reg(context) = DOSCONF_config.brk_flag;
1367 DOSCONF_config.brk_flag = 1;
1368 }
1369 else
1370 {
1371 DL_reg(context) = DOSCONF_config.brk_flag;
1372 DOSCONF_config.brk_flag = 0;
1373 }
1374 break;
1375
1376 case 0x05: /* GET BOOT DRIVE */
1377 TRACE("GET BOOT DRIVE\n");
1378 DL_reg(context) = 3;
1379 /* c: is Wine's bootdrive (a: is 1)*/
1380 break;
1381
1382 case 0x06: /* GET TRUE VERSION NUMBER */
1383 TRACE("GET TRUE VERSION NUMBER\n");
1384 BX_reg(context) = (HIWORD(GetVersion16() >> 8)) |
1385 (HIWORD(GetVersion16() << 8));
1386 DX_reg(context) = 0x00;
1387 break;
1388
1389 default:
1390 INT_BARF( context, 0x21 );
1391 break;
1392 }
1393 break;
1394
1395 case 0x34: /* GET ADDRESS OF INDOS FLAG */
1396 TRACE("GET ADDRESS OF INDOS FLAG\n");
1397 if (!heap) INT21_CreateHeap();
1398 ES_reg(context) = DosHeapHandle;
1399 BX_reg(context) = (int)&heap->InDosFlag - (int)heap;
1400 break;
1401
1402 case 0x35: /* GET INTERRUPT VECTOR */
1403 TRACE("GET INTERRUPT VECTOR 0x%02x\n",AL_reg(context));
1404 {
1405 FARPROC16 addr = INT_CtxGetHandler( context, AL_reg(context) );
1406 ES_reg(context) = SELECTOROF(addr);
1407 BX_reg(context) = OFFSETOF(addr);
1408 }
1409 break;
1410
1411 case 0x36: /* GET FREE DISK SPACE */
1412 TRACE("GET FREE DISK SPACE FOR DRIVE %s\n",
1413 INT21_DriveName( DL_reg(context)));
1414 if (!INT21_GetFreeDiskSpace(context)) AX_reg(context) = 0xffff;
1415 break;
1416
1417 case 0x37:
1418 {
1419 unsigned char switchchar='/';
1420 switch (AL_reg(context))
1421 {
1422 case 0x00: /* "SWITCHAR" - GET SWITCH CHARACTER */
1423 TRACE("SWITCHAR - GET SWITCH CHARACTER\n");
1424 AL_reg(context) = 0x00; /* success*/
1425 DL_reg(context) = switchchar;
1426 break;
1427 case 0x01: /*"SWITCHAR" - SET SWITCH CHARACTER*/
1428 TRACE("SWITCHAR - SET SWITCH CHARACTER\n");
1429 switchchar = DL_reg(context);
1430 AL_reg(context) = 0x00; /* success*/
1431 break;
1432 default: /*"AVAILDEV" - SPECIFY \DEV\ PREFIX USE*/
1433 INT_BARF( context, 0x21 );
1434 break;
1435 }
1436 break;
1437 }
1438
1439 case 0x38: /* GET COUNTRY-SPECIFIC INFORMATION */
1440 TRACE("GET COUNTRY-SPECIFIC INFORMATION for country 0x%02x\n",
1441 AL_reg(context));
1442 AX_reg(context) = 0x02; /* no country support available */
1443 SET_CFLAG(context);
1444 break;
1445
1446 case 0x39: /* "MKDIR" - CREATE SUBDIRECTORY */
1447 TRACE("MKDIR %s\n",
1448 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context)));
1449 bSetDOSExtendedError = (!CreateDirectory16( CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
1450 EDX_reg(context) ), NULL));
1451 /* FIXME: CreateDirectory's LastErrors will clash with the ones
1452 * used by dos. AH=39 only returns 3 (path not found) and 5 (access
1453 * denied), while CreateDirectory return several ones. remap some of
1454 * them. -Marcus
1455 */
1456 if (bSetDOSExtendedError) {
1457 switch (GetLastError()) {
1458 case ERROR_ALREADY_EXISTS:
1459 case ERROR_FILENAME_EXCED_RANGE:
1460 case ERROR_DISK_FULL:
1461 SetLastError(ERROR_ACCESS_DENIED);
1462 break;
1463 default: break;
1464 }
1465 }
1466 break;
1467
1468 case 0x3a: /* "RMDIR" - REMOVE SUBDIRECTORY */
1469 TRACE("RMDIR %s\n",
1470 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context)));
1471 bSetDOSExtendedError = (!RemoveDirectory16( CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
1472 EDX_reg(context) )));
1473 break;
1474
1475 case 0x3b: /* "CHDIR" - SET CURRENT DIRECTORY */
1476 TRACE("CHDIR %s\n",
1477 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context)));
1478 bSetDOSExtendedError = !INT21_ChangeDir(context);
1479 break;
1480
1481 case 0x3c: /* "CREAT" - CREATE OR TRUNCATE FILE */
1482 TRACE("CREAT flag 0x%02x %s\n",CX_reg(context),
1483 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context)));
1484 bSetDOSExtendedError = INT21_CreateFile( context );
1485 break;
1486
1487 case 0x3d: /* "OPEN" - OPEN EXISTING FILE */
1488 TRACE("OPEN mode 0x%02x %s\n",AL_reg(context),
1489 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context)));
1490 OpenExistingFile(context);
1491 break;
1492
1493 case 0x3e: /* "CLOSE" - CLOSE FILE */
1494 TRACE("CLOSE handle %d\n",BX_reg(context));
1495 bSetDOSExtendedError = ((AX_reg(context) = _lclose16( BX_reg(context) )) != 0);
1496 break;
1497
1498 case 0x3f: /* "READ" - READ FROM FILE OR DEVICE */
1499 TRACE("READ from %d to %04lX:%04X for %d byte\n",BX_reg(context),
1500 DS_reg(context),DX_reg(context),CX_reg(context) );
1501 {
1502 LONG result;
1503 if (ISV86(context))
1504 result = _hread16( BX_reg(context),
1505 CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
1506 EDX_reg(context) ),
1507 CX_reg(context) );
1508 else
1509 result = WIN16_hread( BX_reg(context),
1510 PTR_SEG_OFF_TO_SEGPTR( DS_reg(context),
1511 EDX_reg(context) ),
1512 CX_reg(context) );
1513 if (result == -1) bSetDOSExtendedError = TRUE;
1514 else AX_reg(context) = (WORD)result;
1515 }
1516 break;
1517
1518 case 0x40: /* "WRITE" - WRITE TO FILE OR DEVICE */
1519 TRACE("WRITE from %04lX:%04X to handle %d for %d byte\n",
1520 DS_reg(context),DX_reg(context),BX_reg(context),CX_reg(context) );
1521 {
1522 LONG result = _hwrite16( BX_reg(context),
1523 CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
1524 EDX_reg(context) ),
1525 CX_reg(context) );
1526 if (result == -1) bSetDOSExtendedError = TRUE;
1527 else AX_reg(context) = (WORD)result;
1528 }
1529 break;
1530
1531 case 0x41: /* "UNLINK" - DELETE FILE */
1532 TRACE("UNLINK%s\n",
1533 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context)));
1534 bSetDOSExtendedError = (!DeleteFileA( CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
1535 EDX_reg(context) )));
1536 break;
1537
1538 case 0x42: /* "LSEEK" - SET CURRENT FILE POSITION */
1539 TRACE("LSEEK handle %d offset %ld from %s\n",
1540 BX_reg(context), MAKELONG(DX_reg(context),CX_reg(context)),
1541 (AL_reg(context)==0)?"start of file":(AL_reg(context)==1)?
1542 "current file position":"end of file");
1543 {
1544 LONG status = _llseek16( BX_reg(context),
1545 MAKELONG(DX_reg(context),CX_reg(context)),
1546 AL_reg(context) );
1547 if (status == -1) bSetDOSExtendedError = TRUE;
1548 else
1549 {
1550 AX_reg(context) = LOWORD(status);
1551 DX_reg(context) = HIWORD(status);
1552 }
1553 }
1554 break;
1555
1556 case 0x43: /* FILE ATTRIBUTES */
1557 switch (AL_reg(context))
1558 {
1559 case 0x00:
1560 TRACE("GET FILE ATTRIBUTES for %s\n",
1561 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context)));
1562 AX_reg(context) = (WORD)GetFileAttributesA(
1563 CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
1564 EDX_reg(context)));
1565 if (AX_reg(context) == 0xffff) bSetDOSExtendedError = TRUE;
1566 else CX_reg(context) = AX_reg(context);
1567 break;
1568
1569 case 0x01:
1570 TRACE("SET FILE ATTRIBUTES 0x%02x for %s\n", CX_reg(context),
1571 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context)));
1572 bSetDOSExtendedError =
1573 (!SetFileAttributesA( CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
1574 EDX_reg(context)),
1575 CX_reg(context) ));
1576 break;
1577 case 0x02:
1578 TRACE("GET COMPRESSED FILE SIZE for %s stub\n",
1579 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context)));
1580 }
1581 break;
1582
1583 case 0x44: /* IOCTL */
1584 switch (AL_reg(context))
1585 {
1586 case 0x00:
1587 ioctlGetDeviceInfo(context);
1588 break;
1589
1590 case 0x01:
1591 break;
1592 case 0x02:{
1593 const DOS_DEVICE *dev;
1594 if ((dev = DOSFS_GetDeviceByHandle( FILE_GetHandle(BX_reg(context)) )) &&
1595 !strcasecmp( dev->name, "SCSIMGR$" ))
1596 {
1597 ASPI_DOS_HandleInt(context);
1598 }
1599 break;
1600 }
1601 case 0x05:{ /* IOCTL - WRITE TO BLOCK DEVICE CONTROL CHANNEL */
1602 /*BYTE *dataptr = CTX_SEG_OFF_TO_LIN(context, DS_reg(context),EDX_reg(context));*/
1603 int drive = DOS_GET_DRIVE(BL_reg(context));
1604
1605 FIXME("program tried to write to block device control channel of drive %d:\n",drive);
1606 /* for (i=0;i<CX_reg(context);i++)
1607 fprintf(stdnimp,"%02x ",dataptr[i]);
1608 fprintf(stdnimp,"\n");*/
1609 AX_reg(context)=CX_reg(context);
1610 break;
1611 }
1612 case 0x08: /* Check if drive is removable. */
1613 TRACE("IOCTL - CHECK IF BLOCK DEVICE REMOVABLE for drive %s\n",
1614 INT21_DriveName( BL_reg(context)));
1615 switch(GetDriveType16( DOS_GET_DRIVE( BL_reg(context) )))
1616 {
1617 case DRIVE_CANNOTDETERMINE:
1618 SetLastError( ERROR_INVALID_DRIVE );
1619 AX_reg(context) = ERROR_INVALID_DRIVE;
1620 SET_CFLAG(context);
1621 break;
1622 case DRIVE_REMOVABLE:
1623 AX_reg(context) = 0; /* removable */
1624 break;
1625 default:
1626 AX_reg(context) = 1; /* not removable */
1627 break;
1628 }
1629 break;
1630
1631 case 0x09: /* CHECK IF BLOCK DEVICE REMOTE */
1632 TRACE("IOCTL - CHECK IF BLOCK DEVICE REMOTE for drive %s\n",
1633 INT21_DriveName( BL_reg(context)));
1634 switch(GetDriveType16( DOS_GET_DRIVE( BL_reg(context) )))
1635 {
1636 case DRIVE_CANNOTDETERMINE:
1637 SetLastError( ERROR_INVALID_DRIVE );
1638 AX_reg(context) = ERROR_INVALID_DRIVE;
1639 SET_CFLAG(context);
1640 break;
1641 case DRIVE_REMOTE:
1642 DX_reg(context) = (1<<9) | (1<<12); /* remote */
1643 break;
1644 default:
1645 DX_reg(context) = 0; /* FIXME: use driver attr here */
1646 break;
1647 }
1648 break;
1649
1650 case 0x0a: /* check if handle (BX) is remote */
1651 TRACE("IOCTL - CHECK IF HANDLE %d IS REMOTE\n",BX_reg(context));
1652 /* returns DX, bit 15 set if remote, bit 14 set if date/time
1653 * not set on close
1654 */
1655 DX_reg(context) = 0;
1656 break;
1657
1658 case 0x0b: /* SET SHARING RETRY COUNT */
1659 TRACE("IOCTL - SET SHARING RETRY COUNT pause %d retries %d\n",
1660 CX_reg(context), DX_reg(context));
1661 if (!CX_reg(context))
1662 {
1663 AX_reg(context) = 1;
1664 SET_CFLAG(context);
1665 break;
1666 }
1667 DOSMEM_LOL()->sharing_retry_delay = CX_reg(context);
1668 if (!DX_reg(context))
1669 DOSMEM_LOL()->sharing_retry_count = DX_reg(context);
1670 RESET_CFLAG(context);
1671 break;
1672
1673 case 0x0d:
1674 TRACE("IOCTL - GENERIC BLOCK DEVICE REQUEST %s\n",
1675 INT21_DriveName( BL_reg(context)));
1676 bSetDOSExtendedError = ioctlGenericBlkDevReq(context);
1677 break;
1678
1679 case 0x0e: /* get logical drive mapping */
1680 TRACE("IOCTL - GET LOGICAL DRIVE MAP for drive %s\n",
1681 INT21_DriveName( BL_reg(context)));
1682 AL_reg(context) = 0; /* drive has no mapping - FIXME: may be wrong*/
1683 break;
1684
1685 case 0x0F: /* Set logical drive mapping */
1686 {
1687 int drive;
1688 TRACE("IOCTL - SET LOGICAL DRIVE MAP for drive %s\n",
1689 INT21_DriveName( BL_reg(context)));
1690 drive = DOS_GET_DRIVE ( BL_reg(context) );
1691 if ( ! DRIVE_SetLogicalMapping ( drive, drive+1 ) )
1692 {
1693 SET_CFLAG(context);
1694 AX_reg(context) = 0x000F; /* invalid drive */
1695 }
1696 break;
1697 }
1698
1699 case 0xe0: /* Sun PC-NFS API */
1700 /* not installed */
1701 break;
1702
1703 default:
1704 INT_BARF( context, 0x21 );
1705 break;
1706 }
1707 break;
1708
1709 case 0x45: /* "DUP" - DUPLICATE FILE HANDLE */
1710 {
1711 HANDLE handle;
1712 TRACE("DUP - DUPLICATE FILE HANDLE %d\n",BX_reg(context));
1713 if ((bSetDOSExtendedError = !DuplicateHandle( GetCurrentProcess(),
1714 FILE_GetHandle(BX_reg(context)),
1715 GetCurrentProcess(), &handle,
1716 0, TRUE, DUPLICATE_SAME_ACCESS )))
1717 AX_reg(context) = HFILE_ERROR16;
1718 else
1719 AX_reg(context) = FILE_AllocDosHandle(handle);
1720 break;
1721 }
1722
1723 case 0x46: /* "DUP2", "FORCEDUP" - FORCE DUPLICATE FILE HANDLE */
1724 TRACE("FORCEDUP - FORCE DUPLICATE FILE HANDLE %d to %d\n",
1725 BX_reg(context),CX_reg(context));
1726 bSetDOSExtendedError = (FILE_Dup2( BX_reg(context), CX_reg(context) ) == HFILE_ERROR16);
1727 break;
1728
1729 case 0x47: /* "CWD" - GET CURRENT DIRECTORY */
1730 TRACE("CWD - GET CURRENT DIRECTORY for drive %s\n",
1731 INT21_DriveName( DL_reg(context)));
1732 bSetDOSExtendedError = !INT21_GetCurrentDirectory(context);
1733 break;
1734
1735 case 0x48: /* ALLOCATE MEMORY */
1736 TRACE("ALLOCATE MEMORY for %d paragraphs\n", BX_reg(context));
1737 {
1738 LPVOID *mem;
1739 if (ISV86(context))
1740 {
1741 mem= DOSMEM_GetBlock(0,(DWORD)BX_reg(context)<<4,NULL);
1742 if (mem)
1743 AX_reg(context) = DOSMEM_MapLinearToDos(mem)>>4;
1744 }
1745 else
1746 {
1747 mem = (LPVOID)GlobalDOSAlloc16(BX_reg(context)<<4);
1748 if (mem)
1749 AX_reg(context) = (DWORD)mem&0xffff;
1750 }
1751 if (!mem)
1752 {
1753 SET_CFLAG(context);
1754 AX_reg(context) = 0x0008; /* insufficient memory */
1755 BX_reg(context) = DOSMEM_Available(0)>>4;
1756 }
1757 }
1758 break;
1759
1760 case 0x49: /* FREE MEMORY */
1761 TRACE("FREE MEMORY segment %04lX\n", ES_reg(context));
1762 {
1763 BOOL ret;
1764 if (ISV86(context))
1765 ret= DOSMEM_FreeBlock(0,DOSMEM_MapDosToLinear(ES_reg(context)<<4));
1766 else
1767 {
1768 ret = !GlobalDOSFree16(ES_reg(context));
1769 /* If we don't reset ES_reg, we will fail in the relay code */
1770 ES_reg(context)=ret;
1771 }
1772 if (!ret)
1773 {
1774 TRACE("FREE MEMORY failed\n");
1775 SET_CFLAG(context);
1776 AX_reg(context) = 0x0009; /* memory block address invalid */
1777 }
1778 }
1779 break;
1780
1781 case 0x4a: /* RESIZE MEMORY BLOCK */
1782 TRACE("RESIZE MEMORY segment %04lX to %d paragraphs\n", ES_reg(context), BX_reg(context));
1783 if (!ISV86(context))
1784 FIXME("RESIZE MEMORY probably insufficient implementation. Expect crash soon\n");
1785 {
1786 LPVOID *mem = DOSMEM_ResizeBlock(0,DOSMEM_MapDosToLinear(ES_reg(context)<<4),
1787 BX_reg(context)<<4,NULL);
1788 if (mem)
1789 AX_reg(context) = DOSMEM_MapLinearToDos(mem)>>4;
1790 else {
1791 SET_CFLAG(context);
1792 AX_reg(context) = 0x0008; /* insufficient memory */
1793 BX_reg(context) = DOSMEM_Available(0)>>4; /* not quite right */
1794 }
1795 }
1796 break;
1797
1798 case 0x4b: /* "EXEC" - LOAD AND/OR EXECUTE PROGRAM */
1799 TRACE("EXEC %s\n",
1800 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context),EDX_reg(context) ));
1801 AX_reg(context) = WinExec16( CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
1802 EDX_reg(context) ),
1803 SW_NORMAL );
1804 if (AX_reg(context) < 32) SET_CFLAG(context);
1805 break;
1806
1807 case 0x4c: /* "EXIT" - TERMINATE WITH RETURN CODE */
1808 TRACE("EXIT with return code %d\n",AL_reg(context));
1809 ExitProcess( AL_reg(context) );
1810 break;
1811
1812 case 0x4d: /* GET RETURN CODE */
1813 TRACE("GET RETURN CODE (ERRORLEVEL)\n");
1814 AX_reg(context) = 0; /* normal exit */
1815 break;
1816
1817 case 0x4e: /* "FINDFIRST" - FIND FIRST MATCHING FILE */
1818 TRACE("FINDFIRST mask 0x%04x spec %s\n",CX_reg(context),
1819 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context)));
1820 if (!INT21_FindFirst(context)) break;
1821 /* fall through */
1822
1823 case 0x4f: /* "FINDNEXT" - FIND NEXT MATCHING FILE */
1824 TRACE("FINDNEXT\n");
1825 if (!INT21_FindNext(context))
1826 {
1827 SetLastError( ERROR_NO_MORE_FILES );
1828 AX_reg(context) = ERROR_NO_MORE_FILES;
1829 SET_CFLAG(context);
1830 }
1831 else AX_reg(context) = 0; /* OK */
1832 break;
1833 case 0x50: /* SET CURRENT PROCESS ID (SET PSP ADDRESS) */
1834 TRACE("SET CURRENT PROCESS ID (SET PSP ADDRESS)\n");
1835 INT21_SetCurrentPSP(BX_reg(context));
1836 break;
1837 case 0x51: /* GET PSP ADDRESS */
1838 TRACE("GET CURRENT PROCESS ID (GET PSP ADDRESS)\n");
1839 /* FIXME: should we return the original DOS PSP upon */
1840 /* Windows startup ? */
1841 BX_reg(context) = INT21_GetCurrentPSP();
1842 break;
1843 case 0x62: /* GET PSP ADDRESS */
1844 TRACE("GET CURRENT PSP ADDRESS\n");
1845 /* FIXME: should we return the original DOS PSP upon */
1846 /* Windows startup ? */
1847 BX_reg(context) = INT21_GetCurrentPSP();
1848 break;
1849
1850 case 0x52: /* "SYSVARS" - GET LIST OF LISTS */
1851 TRACE("SYSVARS - GET LIST OF LISTS\n");
1852 {
1853 ES_reg(context) = ISV86(context) ? HIWORD(DOS_LOLSeg) : LOWORD(DOS_LOLSeg);
1854 BX_reg(context) = FIELD_OFFSET(DOS_LISTOFLISTS, ptr_first_DPB);
1855 }
1856 break;
1857
1858 case 0x54: /* Get Verify Flag */
1859 TRACE("Get Verify Flag - Not Supported\n");
1860 AL_reg(context) = 0x00; /* pretend we can tell. 00h = off 01h = on */
1861 break;
1862
1863 case 0x56: /* "RENAME" - RENAME FILE */
1864 TRACE("RENAME %s to %s\n",
1865 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context),EDX_reg(context)),
1866 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, ES_reg(context),EDI_reg(context)));
1867 bSetDOSExtendedError =
1868 (!MoveFileA( CTX_SEG_OFF_TO_LIN(context, DS_reg(context),EDX_reg(context)),
1869 CTX_SEG_OFF_TO_LIN(context, ES_reg(context),EDI_reg(context))));
1870 break;
1871
1872 case 0x57: /* FILE DATE AND TIME */
1873 switch (AL_reg(context))
1874 {
1875 case 0x00: /* Get */
1876 {
1877 FILETIME filetime;
1878 TRACE("GET FILE DATE AND TIME for handle %d\n",
1879 BX_reg(context));
1880 if (!GetFileTime( FILE_GetHandle(BX_reg(context)), NULL, NULL, &filetime ))
1881 bSetDOSExtendedError = TRUE;
1882 else FileTimeToDosDateTime( &filetime, &DX_reg(context),
1883 &CX_reg(context) );
1884 }
1885 break;
1886
1887 case 0x01: /* Set */
1888 {
1889 FILETIME filetime;
1890 TRACE("SET FILE DATE AND TIME for handle %d\n",
1891 BX_reg(context));
1892 DosDateTimeToFileTime( DX_reg(context), CX_reg(context),
1893 &filetime );
1894 bSetDOSExtendedError =
1895 (!SetFileTime( FILE_GetHandle(BX_reg(context)),
1896 NULL, NULL, &filetime ));
1897 }
1898 break;
1899 }
1900 break;
1901
1902 case 0x58: /* GET OR SET MEMORY/UMB ALLOCATION STRATEGY */
1903 TRACE("GET OR SET MEMORY/UMB ALLOCATION STRATEGY subfunction %d\n",
1904 AL_reg(context));
1905 switch (AL_reg(context))
1906 {
1907 case 0x00:
1908 AX_reg(context) = 1;
1909 break;
1910 case 0x02:
1911 AX_reg(context) = 0;
1912 break;
1913 case 0x01:
1914 case 0x03:
1915 break;
1916 }
1917 RESET_CFLAG(context);
1918 break;
1919
1920 case 0x5a: /* CREATE TEMPORARY FILE */
1921 TRACE("CREATE TEMPORARY FILE\n");
1922 bSetDOSExtendedError = !INT21_CreateTempFile(context);
1923 break;
1924
1925 case 0x5b: /* CREATE NEW FILE */
1926 TRACE("CREATE NEW FILE 0x%02x for %s\n", CX_reg(context),
1927 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context)));
1928 bSetDOSExtendedError = ((AX_reg(context) =
1929 _lcreat16_uniq( CTX_SEG_OFF_TO_LIN(context, DS_reg(context),EDX_reg(context)),
1930 CX_reg(context) )) == (WORD)HFILE_ERROR16);
1931 break;
1932
1933 case 0x5d: /* NETWORK */
1934 FIXME("Function 0x%04x not implemented.\n", AX_reg (context));
1935 /* Fix the following while you're at it. */
1936 SetLastError( ER_NoNetwork );
1937 bSetDOSExtendedError = TRUE;
1938 break;
1939
1940 case 0x5e:
1941 bSetDOSExtendedError = INT21_networkfunc (context);
1942 break;
1943
1944 case 0x5f: /* NETWORK */
1945 switch (AL_reg(context))
1946 {
1947 case 0x07: /* ENABLE DRIVE */
1948 TRACE("ENABLE DRIVE %c:\n",(DL_reg(context)+'A'));
1949 if (!DRIVE_Enable( DL_reg(context) ))
1950 {
1951 SetLastError( ERROR_INVALID_DRIVE );
1952 bSetDOSExtendedError = TRUE;
1953 }
1954 break;
1955
1956 case 0x08: /* DISABLE DRIVE */
1957 TRACE("DISABLE DRIVE %c:\n",(DL_reg(context)+'A'));
1958 if (!DRIVE_Disable( DL_reg(context) ))
1959 {
1960 SetLastError( ERROR_INVALID_DRIVE );
1961 bSetDOSExtendedError = TRUE;
1962 }
1963 break;
1964
1965 default:
1966 /* network software not installed */
1967 TRACE("NETWORK function AX=%04x not implemented\n",AX_reg(context));
1968 SetLastError( ER_NoNetwork );
1969 bSetDOSExtendedError = TRUE;
1970 break;
1971 }
1972 break;
1973
1974 case 0x60: /* "TRUENAME" - CANONICALIZE FILENAME OR PATH */
1975 TRACE("TRUENAME %s\n",
1976 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context),ESI_reg(context)));
1977 {
1978 if (!GetFullPathNameA( CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
1979 ESI_reg(context)), 128,
1980 CTX_SEG_OFF_TO_LIN(context, ES_reg(context),
1981 EDI_reg(context)),NULL))
1982 bSetDOSExtendedError = TRUE;
1983 else AX_reg(context) = 0;
1984 }
1985 break;
1986
1987 case 0x61: /* UNUSED */
1988 case 0x63: /* misc. language support */
1989 switch (AL_reg(context)) {
1990 case 0x00: /* GET DOUBLE BYTE CHARACTER SET LEAD-BYTE TABLE */
1991 INT21_GetDBCSLeadTable(context);
1992 break;
1993 }
1994 break;
1995 case 0x64: /* OS/2 DOS BOX */
1996 INT_BARF( context, 0x21 );
1997 SET_CFLAG(context);
1998 break;
1999
2000 case 0x65:{/* GET EXTENDED COUNTRY INFORMATION */
2001 extern WORD WINE_LanguageId;
2002 BYTE *dataptr=CTX_SEG_OFF_TO_LIN(context, ES_reg(context),EDI_reg(context));
2003 TRACE("GET EXTENDED COUNTRY INFORMATION code page %d country %d\n",
2004 BX_reg(context), DX_reg(context));
2005 switch (AL_reg(context)) {
2006 case 0x01:
2007 TRACE("\tget general internationalization info\n");
2008 dataptr[0] = 0x1;
2009 *(WORD*)(dataptr+1) = 41;
2010 *(WORD*)(dataptr+3) = WINE_LanguageId;
2011 *(WORD*)(dataptr+5) = CodePage;
2012 *(DWORD*)(dataptr+0x19) = 0; /* FIXME: ptr to case map routine */
2013 break;
2014 case 0x06:
2015 TRACE("\tget pointer to collating sequence table\n");
2016 dataptr[0] = 0x06;
2017 *(DWORD*)(dataptr+1) = MAKELONG(DOSMEM_CollateTable & 0xFFFF,DOSMEM_AllocSelector(DOSMEM_CollateTable>>16));
2018 CX_reg(context) = 258;/*FIXME: size of table?*/
2019 break;
2020 case 0x20:
2021 TRACE("\tConvert char to uppercase\n");
2022 DL_reg(context) = toupper(DL_reg(context));
2023 break;
2024 case 0x21:
2025 TRACE("\tconvert string to uppercase with length\n");
2026 CharUpperBuffA( (LPSTR)CTX_SEG_OFF_TO_LIN(context,DS_reg(context),EDX_reg(context)),
2027 CX_reg(context) );
2028 break;
2029 case 0x22:
2030 TRACE("\tConvert ASCIIZ string to uppercase\n");
2031 CharUpperA( (LPSTR)CTX_SEG_OFF_TO_LIN(context,DS_reg(context),EDX_reg(context)) );
2032 break;
2033 default:
2034 TRACE("\tunimplemented function %d\n",AL_reg(context));
2035 INT_BARF( context, 0x21 );
2036 SET_CFLAG(context);
2037 break;
2038 }
2039 break;
2040 }
2041 case 0x66: /* GLOBAL CODE PAGE TABLE */
2042 switch (AL_reg(context))
2043 {
2044 case 0x01:
2045 TRACE("GET GLOBAL CODE PAGE TABLE\n");
2046 DX_reg(context) = BX_reg(context) = CodePage;
2047 RESET_CFLAG(context);
2048 break;
2049 case 0x02:
2050 TRACE("SET GLOBAL CODE PAGE TABLE active page %d system page %d\n",
2051 BX_reg(context),DX_reg(context));
2052 CodePage = BX_reg(context);
2053 RESET_CFLAG(context);
2054 break;
2055 }
2056 break;
2057
2058 case 0x67: /* SET HANDLE COUNT */
2059 TRACE("SET HANDLE COUNT to %d\n",BX_reg(context) );
2060 SetHandleCount16( BX_reg(context) );
2061 if (GetLastError()) bSetDOSExtendedError = TRUE;
2062 break;
2063
2064 case 0x68: /* "FFLUSH" - COMMIT FILE */
2065 case 0x6a: /* COMMIT FILE */
2066 TRACE("FFLUSH/COMMIT handle %d\n",BX_reg(context));
2067 bSetDOSExtendedError = (!FlushFileBuffers( FILE_GetHandle(BX_reg(context)) ));
2068 break;
2069
2070 case 0x69: /* DISK SERIAL NUMBER */
2071 switch (AL_reg(context))
2072 {
2073 case 0x00:
2074 TRACE("GET DISK SERIAL NUMBER for drive %s\n",
2075 INT21_DriveName(BL_reg(context)));
2076 if (!INT21_GetDiskSerialNumber(context)) bSetDOSExtendedError = TRUE;
2077 else AX_reg(context) = 0;
2078 break;
2079
2080 case 0x01:
2081 TRACE("SET DISK SERIAL NUMBER for drive %s\n",
2082 INT21_DriveName(BL_reg(context)));
2083 if (!INT21_SetDiskSerialNumber(context)) bSetDOSExtendedError = TRUE;
2084 else AX_reg(context) = 1;
2085 break;
2086 }
2087 break;
2088
2089 case 0x6C: /* Extended Open/Create*/
2090 TRACE("EXTENDED OPEN/CREATE %s\n",
2091 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDI_reg(context)));
2092 bSetDOSExtendedError = INT21_ExtendedOpenCreateFile(context);
2093 break;
2094
2095 case 0x71: /* MS-DOS 7 (Windows95) - LONG FILENAME FUNCTIONS */
2096 if ((GetVersion()&0xC0000004)!=0xC0000004) {
2097 /* not supported on anything but Win95 */
2098 TRACE("LONG FILENAME functions supported only by win95\n");
2099 SET_CFLAG(context);
2100 AL_reg(context) = 0;
2101 } else
2102 switch(AL_reg(context))
2103 {
2104 case 0x39: /* Create directory */
2105 TRACE("LONG FILENAME - MAKE DIRECTORY %s\n",
2106 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context),EDX_reg(context)));
2107 bSetDOSExtendedError = (!CreateDirectoryA(
2108 CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
2109 EDX_reg(context) ), NULL));
2110 /* FIXME: CreateDirectory's LastErrors will clash with the ones
2111 * used by dos. AH=39 only returns 3 (path not found) and 5 (access
2112 * denied), while CreateDirectory return several ones. remap some of
2113 * them. -Marcus
2114 */
2115 if (bSetDOSExtendedError) {
2116 switch (GetLastError()) {
2117 case ERROR_ALREADY_EXISTS:
2118 case ERROR_FILENAME_EXCED_RANGE:
2119 case ERROR_DISK_FULL:
2120 SetLastError(ERROR_ACCESS_DENIED);
2121 break;
2122 default: break;
2123 }
2124 }
2125 break;
2126 case 0x3a: /* Remove directory */
2127 TRACE("LONG FILENAME - REMOVE DIRECTORY %s\n",
2128 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context),EDX_reg(context)));
2129 bSetDOSExtendedError = (!RemoveDirectoryA(
2130 CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
2131 EDX_reg(context) )));
2132 break;
2133 case 0x43: /* Get/Set file attributes */
2134 TRACE("LONG FILENAME -EXTENDED GET/SET FILE ATTRIBUTES %s\n",
2135 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context),EDX_reg(context)));
2136 switch (BL_reg(context))
2137 {
2138 case 0x00: /* Get file attributes */
2139 TRACE("\tretrieve attributes\n");
2140 CX_reg(context) = (WORD)GetFileAttributesA(
2141 CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
2142 EDX_reg(context)));
2143 if (CX_reg(context) == 0xffff) bSetDOSExtendedError = TRUE;
2144 break;
2145 case 0x01:
2146 TRACE("\tset attributes 0x%04x\n",CX_reg(context));
2147 bSetDOSExtendedError = (!SetFileAttributesA(
2148 CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
2149 EDX_reg(context)),
2150 CX_reg(context) ) );
2151 break;
2152 default:
2153 FIXME("Unimplemented long file name function:\n");
2154 INT_BARF( context, 0x21 );
2155 SET_CFLAG(context);
2156 AL_reg(context) = 0;
2157 break;
2158 }
2159 break;
2160 case 0x47: /* Get current directory */
2161 TRACE(" LONG FILENAME - GET CURRENT DIRECTORY for drive %s\n",
2162 INT21_DriveName(DL_reg(context)));
2163 bSetDOSExtendedError = !INT21_GetCurrentDirectory(context);
2164 break;
2165
2166 case 0x4e: /* Find first file */
2167 TRACE(" LONG FILENAME - FIND FIRST MATCHING FILE for %s\n",
2168 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context),EDX_reg(context)));
2169 /* FIXME: use attributes in CX */
2170 if ((AX_reg(context) = FindFirstFile16(
2171 CTX_SEG_OFF_TO_LIN(context, DS_reg(context),EDX_reg(context)),
2172 (WIN32_FIND_DATAA *)CTX_SEG_OFF_TO_LIN(context, ES_reg(context),
2173 EDI_reg(context))))
2174 == INVALID_HANDLE_VALUE16)
2175 bSetDOSExtendedError = TRUE;
2176 break;
2177 case 0x4f: /* Find next file */
2178 TRACE("LONG FILENAME - FIND NEXT MATCHING FILE for handle %d\n",
2179 BX_reg(context));
2180 if (!FindNextFile16( BX_reg(context),
2181 (WIN32_FIND_DATAA *)CTX_SEG_OFF_TO_LIN(context, ES_reg(context),
2182 EDI_reg(context))))
2183 bSetDOSExtendedError = TRUE;
2184 break;
2185 case 0xa1: /* Find close */
2186 TRACE("LONG FILENAME - FINDCLOSE for handle %d\n",
2187 BX_reg(context));
2188 bSetDOSExtendedError = (!FindClose16( BX_reg(context) ));
2189 break;
2190 case 0xa0:
2191 TRACE("LONG FILENAME - GET VOLUME INFORMATION for drive %s stub\n",
2192 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context),EDX_reg(context)));
2193 break;
2194 case 0x60:
2195 switch(CL_reg(context))
2196 {
2197 case 0x01: /*Get short filename or path */
2198 if (!GetShortPathNameA
2199 ( CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
2200 ESI_reg(context)),
2201 CTX_SEG_OFF_TO_LIN(context, ES_reg(context),
2202 EDI_reg(context)), 67))
2203 bSetDOSExtendedError = TRUE;
2204 else AX_reg(context) = 0;
2205 break;
2206 case 0x02: /*Get canonical long filename or path */
2207 if (!GetFullPathNameA
2208 ( CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
2209 ESI_reg(context)), 128,
2210 CTX_SEG_OFF_TO_LIN(context, ES_reg(context),
2211 EDI_reg(context)),NULL))
2212 bSetDOSExtendedError = TRUE;
2213 else AX_reg(context) = 0;
2214 break;
2215 default:
2216 FIXME("Unimplemented long file name function:\n");
2217 INT_BARF( context, 0x21 );
2218 SET_CFLAG(context);
2219 AL_reg(context) = 0;
2220 break;
2221 }
2222 break;
2223 case 0x6c: /* Create or open file */
2224 TRACE("LONG FILENAME - CREATE OR OPEN FILE %s\n",
2225 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), ESI_reg(context)));
2226 /* translate Dos 7 action to Dos 6 action */
2227 bSetDOSExtendedError = INT21_ExtendedOpenCreateFile(context);
2228 break;
2229
2230 case 0x3b: /* Change directory */
2231 TRACE("LONG FILENAME - CHANGE DIRECTORY %s\n",
2232 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context)));
2233 if (!SetCurrentDirectoryA(CTX_SEG_OFF_TO_LIN(context,
2234 DS_reg(context),
2235 EDX_reg(context)
2236 ))
2237 ) {
2238 SET_CFLAG(context);
2239 AL_reg(context) = GetLastError();
2240 }
2241 break;
2242 case 0x41: /* Delete file */
2243 TRACE("LONG FILENAME - DELETE FILE %s\n",
2244 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context)));
2245 if (!DeleteFileA(CTX_SEG_OFF_TO_LIN(context,
2246 DS_reg(context),
2247 EDX_reg(context))
2248 )) {
2249 SET_CFLAG(context);
2250 AL_reg(context) = GetLastError();
2251 }
2252 break;
2253 case 0x56: /* Move (rename) file */
2254 TRACE("LONG FILENAME - RENAME FILE %s to %s stub\n",
2255 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context)),
2256 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, ES_reg(context), EDI_reg(context)));
2257 default:
2258 FIXME("Unimplemented long file name function:\n");
2259 INT_BARF( context, 0x21 );
2260 SET_CFLAG(context);
2261 AL_reg(context) = 0;
2262 break;
2263 }
2264 break;
2265
2266 case 0x70: /* MS-DOS 7 (Windows95) - ??? (country-specific?)*/
2267 case 0x72: /* MS-DOS 7 (Windows95) - ??? */
2268 case 0x73: /* MS-DOS 7 (Windows95) - DRIVE LOCKING ??? */
2269 TRACE("windows95 function AX %04x\n",
2270 AX_reg(context));
2271 WARN(" returning unimplemented\n");
2272 SET_CFLAG(context);
2273 AL_reg(context) = 0;
2274 break;
2275
2276 case 0xdc: /* CONNECTION SERVICES - GET CONNECTION NUMBER */
2277 case 0xea: /* NOVELL NETWARE - RETURN SHELL VERSION */
2278 break;
2279
2280 default:
2281 INT_BARF( context, 0x21 );
2282 break;
2283
2284 } /* END OF SWITCH */
2285
2286 if( bSetDOSExtendedError ) /* set general error condition */
2287 {
2288 AX_reg(context) = GetLastError();
2289 SET_CFLAG(context);
2290 }
2291
2292 if ((EFL_reg(context) & 0x0001))
2293 TRACE("failed, error 0x%04lx\n", GetLastError() );
2294
2295 TRACE("returning: AX=%04x BX=%04x CX=%04x DX=%04x "
2296 "SI=%04x DI=%04x DS=%04x ES=%04x EFL=%08lx\n",
2297 AX_reg(context), BX_reg(context), CX_reg(context),
2298 DX_reg(context), SI_reg(context), DI_reg(context),
2299 (WORD)DS_reg(context), (WORD)ES_reg(context),
2300 EFL_reg(context));
2301 }
2302
2303 FARPROC16 WINAPI GetSetKernelDOSProc16(FARPROC16 DosProc)
2304 {
2305 FIXME("(DosProc=0x%08x): stub\n", (UINT)DosProc);
2306 return NULL;
2307 }
2308
Windows API implementation