2 * DOS interrupt 21h handler
10 # include <sys/file.h>
15 #include <sys/types.h>
21 #include "winuser.h" /* SW_NORMAL */
22 #include "wine/winbase16.h"
32 #include "dosexe.h" /* for the MZ_SUPPORTED define */
37 DEFAULT_DEBUG_CHANNEL(int21
)
38 #if defined(__svr4__) || defined(_SCO_DS)
39 /* SVR4 DOESNT do locking the same way must implement properly */
46 #define DOS_GET_DRIVE(reg) ((reg) ? (reg) - 1 : DRIVE_GetCurrentDrive())
48 /* Define the drive parameter block, as used by int21/1F
49 * and int21/32. This table can be accessed through the
50 * global 'dpb' pointer, which points into the local dos
55 BYTE drive_num
; /* 0=A, etc. */
56 BYTE unit_num
; /* Drive's unit number (?) */
57 WORD sector_size
; /* Sector size in bytes */
58 BYTE high_sector
; /* Highest sector in a cluster */
59 BYTE shift
; /* Shift count (?) */
60 WORD reserved
; /* Number of reserved sectors at start */
61 BYTE num_FAT
; /* Number of FATs */
62 WORD dir_entries
; /* Number of root dir entries */
63 WORD first_data
; /* First data sector */
64 WORD high_cluster
; /* Highest cluster number */
65 WORD sectors_in_FAT
; /* Number of sectors per FAT */
66 WORD start_dir
; /* Starting sector of first dir */
67 DWORD driver_head
; /* Address of device driver header (?) */
68 BYTE media_ID
; /* Media ID */
69 BYTE access_flag
; /* Prev. accessed flag (0=yes,0xFF=no) */
70 DWORD next
; /* Pointer to next DPB in list */
71 WORD free_search
; /* Free cluster search start */
72 WORD free_clusters
; /* Number of free clusters (0xFFFF=unknown) */
83 BYTE DummyDBCSLeadTable
[6];
85 static struct DosHeap
*heap
;
86 static WORD DosHeapHandle
;
88 WORD sharing_retries
= 3; /* number of retries at sharing violation */
89 WORD sharing_pause
= 1; /* pause between retries */
91 extern char TempDirectory
[];
93 static BOOL
INT21_CreateHeap(void)
95 if (!(DosHeapHandle
= GlobalAlloc16(GMEM_FIXED
,sizeof(struct DosHeap
))))
97 WARN(int21
, "Out of memory\n");
100 heap
= (struct DosHeap
*) GlobalLock16(DosHeapHandle
);
101 dpbsegptr
= PTR_SEG_OFF_TO_SEGPTR(DosHeapHandle
,(int)&heap
->dpb
-(int)heap
);
103 strcpy(heap
->biosdate
, "01/01/80");
104 memset(heap
->DummyDBCSLeadTable
, 0, 6);
108 static BYTE
*GetCurrentDTA( CONTEXT
*context
)
110 TDB
*pTask
= (TDB
*)GlobalLock16( GetCurrentTask() );
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
) );
118 void CreateBPB(int drive
, BYTE
*data
, BOOL16 limited
)
119 /* limited == TRUE is used with INT 0x21/0x440d */
124 setword(&data
[3], 0);
126 setword(&data
[6], 240);
127 setword(&data
[8], 64000);
129 setword(&data
[0x0b], 40);
130 setword(&data
[0x0d], 56);
131 setword(&data
[0x0f], 2);
132 setword(&data
[0x11], 0);
134 setword(&data
[0x1f], 800);
136 setword(&data
[0x22], 1);
138 } else { /* 1.44mb */
141 setword(&data
[3], 0);
143 setword(&data
[6], 240);
144 setword(&data
[8], 2880);
146 setword(&data
[0x0b], 6);
147 setword(&data
[0x0d], 18);
148 setword(&data
[0x0f], 2);
149 setword(&data
[0x11], 0);
151 setword(&data
[0x1f], 80);
153 setword(&data
[0x22], 2);
158 static int INT21_GetFreeDiskSpace( CONTEXT
*context
)
160 DWORD cluster_sectors
, sector_bytes
, free_clusters
, total_clusters
;
161 char root
[] = "A:\\";
163 *root
+= DOS_GET_DRIVE( DL_reg(context
) );
164 if (!GetDiskFreeSpaceA( root
, &cluster_sectors
, §or_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
;
173 static int INT21_GetDriveAllocInfo( CONTEXT
*context
)
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
;
183 static void GetDrivePB( CONTEXT
*context
, int drive
)
185 if(!DRIVE_IsValid(drive
))
187 SetLastError( ERROR_INVALID_DRIVE
);
188 AX_reg(context
) = 0x00ff;
190 else if (heap
|| INT21_CreateHeap())
192 FIXME(int21
, "GetDrivePB not fully implemented.\n");
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
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;
216 heap
->dpb
.free_search
= 0;
217 heap
->dpb
.free_clusters
= 0xFFFF; /* unknown */
219 AL_reg(context
) = 0x00;
220 DS_reg(context
) = SELECTOROF(dpbsegptr
);
221 BX_reg(context
) = OFFSETOF(dpbsegptr
);
226 static void ioctlGetDeviceInfo( CONTEXT
*context
)
229 const DOS_DEVICE
*dev
;
231 TRACE(int21
, "(%d)\n", BX_reg(context
));
233 RESET_CFLAG(context
);
236 if ((dev
= DOSFS_GetDeviceByHandle( FILE_GetHandle(BX_reg(context
)) )))
238 DX_reg(context
) = dev
->flags
;
242 /* it seems to be a file */
243 curr_drive
= DRIVE_GetCurrentDrive();
244 DX_reg(context
) = 0x0140 + curr_drive
+ ((curr_drive
> 1) ? 0x0800 : 0);
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
255 static BOOL
ioctlGenericBlkDevReq( CONTEXT
*context
)
257 BYTE
*dataptr
= CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
), EDX_reg(context
));
258 int drive
= DOS_GET_DRIVE( BL_reg(context
) );
260 if (!DRIVE_IsValid(drive
))
262 SetLastError( ERROR_FILE_NOT_FOUND
);
266 if (CH_reg(context
) != 0x08)
268 INT_BARF( context
, 0x21 );
272 switch (CL_reg(context
))
274 case 0x4a: /* lock logical volume */
275 TRACE(int21
,"lock logical volume (%d) level %d mode %d\n",drive
,BH_reg(context
),DX_reg(context
));
278 case 0x60: /* get device parameters */
279 /* used by w4wgrp's winfile */
280 memset(dataptr
, 0, 0x20); /* DOS 6.22 uses 0x20 bytes */
282 dataptr
[6] = 0; /* media type */
285 dataptr
[1] = 0x05; /* fixed disk */
286 setword(&dataptr
[2], 0x01); /* non removable */
287 setword(&dataptr
[4], 0x300); /* # of cylinders */
291 dataptr
[1] = 0x07; /* block dev, floppy */
292 setword(&dataptr
[2], 0x02); /* removable */
293 setword(&dataptr
[4], 80); /* # of cylinders */
295 CreateBPB(drive
, &dataptr
[7], TRUE
);
296 RESET_CFLAG(context
);
299 case 0x41: /* write logical device track */
300 case 0x61: /* read logical device track */
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
);
311 raw_func
= (CL_reg(context
) == 0x41) ?
312 DRIVE_RawWrite
: DRIVE_RawRead
;
314 if (raw_func(drive
, head
*cyl
*sect
, nrsect
, data
, FALSE
))
315 RESET_CFLAG(context
);
318 AX_reg(context
) = 0x1e; /* read fault */
323 case 0x66:/* get disk serial number */
325 char label
[12],fsname
[9],path
[4];
328 strcpy(path
,"x:\\");path
[0]=drive
+'A';
329 GetVolumeInformationA(
330 path
,label
,12,&serial
,NULL
,NULL
,fsname
,9
333 memcpy(dataptr
+2,&serial
,4);
334 memcpy(dataptr
+6,label
,11);
335 memcpy(dataptr
+17,fsname
,8);
340 TRACE(int21
,"logical volume %d unlocked.\n",drive
);
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 */
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 */
357 INT_BARF( context
, 0x21 );
362 static void INT21_ParseFileNameIntoFCB( CONTEXT
*context
)
365 CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
), ESI_reg(context
) );
367 CTX_SEG_OFF_TO_LIN(context
, ES_reg(context
), EDI_reg(context
) );
368 char *buffer
, *s
, *d
;
370 AL_reg(context
) = 0xff; /* failed */
372 TRACE(int21
, "filename: '%s'\n", filename
);
374 buffer
= HeapAlloc( GetProcessHeap(), 0, strlen(filename
) + 1);
380 if ((*s
!= ' ') && (*s
!= '\r') && (*s
!= '\n'))
387 DOSFS_ToDosFCBFormat(buffer
, fcb
+ 1);
389 TRACE(int21
, "FCB: '%s'\n", ((CHAR
*)fcb
+ 1));
391 HeapFree( GetProcessHeap(), 0, buffer
);
394 ((strchr(filename
, '*')) || (strchr(filename
, '$'))) != 0;
396 /* point DS:SI to first unparsed character */
397 SI_reg(context
) += (int)s
- (int)filename
;
400 static void INT21_GetSystemDate( CONTEXT
*context
)
403 GetLocalTime( &systime
);
404 CX_reg(context
) = systime
.wYear
;
405 DX_reg(context
) = (systime
.wMonth
<< 8) | systime
.wDay
;
406 AX_reg(context
) = systime
.wDayOfWeek
;
409 static void INT21_GetSystemTime( CONTEXT
*context
)
412 GetLocalTime( &systime
);
413 CX_reg(context
) = (systime
.wHour
<< 8) | systime
.wMinute
;
414 DX_reg(context
) = (systime
.wSecond
<< 8) | (systime
.wMilliseconds
/ 10);
417 /* Many calls translate a drive argument like this:
418 drive number (00h = default, 01h = A:, etc)
420 static char drivestring
[]="default";
422 char *INT21_DriveName(int drive
)
427 drivestring
[0]= (unsigned char)drive
+ '@';
433 static BOOL
INT21_CreateFile( CONTEXT
*context
)
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
);
440 static HFILE16
_lcreat16_uniq( LPCSTR path
, INT attr
)
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 ));
449 static void OpenExistingFile( CONTEXT
*context
)
451 AX_reg(context
) = _lopen16( CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
),EDX_reg(context
)),
453 if (AX_reg(context
) == (WORD
)HFILE_ERROR16
)
455 AX_reg(context
) = GetLastError();
460 static BOOL
INT21_ExtendedOpenCreateFile(CONTEXT
*context
)
462 BOOL bExtendedError
= FALSE
;
463 BYTE action
= DL_reg(context
);
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
);
471 if ((EFL_reg(context
) & 0x0001) == 0) /* File exists */
473 UINT16 uReturnCX
= 0;
475 /* Now decide what do do */
477 if ((action
& 0x07) == 0)
479 _lclose16( AX_reg(context
) );
480 AX_reg(context
) = 0x0050; /*File exists*/
482 WARN(int21
, "extended open/create: failed because file exists \n");
484 else if ((action
& 0x07) == 2)
486 /* Truncate it, but first check if opened for write */
487 if ((BL_reg(context
) & 0x0007)== 0)
489 _lclose16( AX_reg(context
) );
490 WARN(int21
, "extended open/create: failed, trunc on ro file\n");
491 AX_reg(context
) = 0x000C; /*Access code invalid*/
496 TRACE(int21
, "extended open/create: Closing before truncate\n");
497 if (_lclose16( AX_reg(context
) ))
499 WARN(int21
, "extended open/create: close before trunc failed\n");
500 AX_reg(context
) = 0x0019; /*Seek Error*/
504 /* Shuffle arguments to call CreateFile */
506 TRACE(int21
, "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
);
512 if (EFL_reg(context
) & 0x0001) /*no file open, flags set */
514 WARN(int21
, "extended open/create: trunc failed\n");
515 return bExtendedError
;
520 else uReturnCX
= 0x1;
522 CX_reg(context
) = uReturnCX
;
524 else /* file does not exist */
526 RESET_CFLAG(context
); /* was set by OpenExistingFile(context) */
527 if ((action
& 0xF0)== 0)
531 WARN(int21
, "extended open/create: failed, file dosen't exist\n");
535 /* Shuffle arguments to call CreateFile */
536 TRACE(int21
, "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 */
543 WARN(int21
, "extended open/create: create failed\n");
544 return bExtendedError
;
550 return bExtendedError
;
554 static BOOL
INT21_ChangeDir( CONTEXT
*context
)
557 char *dirname
= CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
),EDX_reg(context
));
559 TRACE(int21
,"changedir %s\n", dirname
);
560 if (dirname
[0] && (dirname
[1] == ':'))
562 drive
= toupper(dirname
[0]) - 'A';
565 else drive
= DRIVE_GetCurrentDrive();
566 return DRIVE_Chdir( drive
, dirname
);
570 static int INT21_FindFirst( CONTEXT
*context
)
574 DOS_FULL_NAME full_name
;
575 FINDFILE_DTA
*dta
= (FINDFILE_DTA
*)GetCurrentDTA(context
);
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
))
581 AX_reg(context
) = GetLastError();
585 dta
->unixPath
= HEAP_strdupA( GetProcessHeap(), 0, full_name
.long_name
);
586 p
= strrchr( dta
->unixPath
, '/' );
589 /* Note: terminating NULL in dta->mask overwrites dta->search_attr
590 * (doesn't matter as it is set below anyway)
592 if (!DOSFS_ToDosFCBFormat( p
+ 1, dta
->mask
))
594 HeapFree( GetProcessHeap(), 0, dta
->unixPath
);
595 dta
->unixPath
= NULL
;
596 SetLastError( ERROR_FILE_NOT_FOUND
);
597 AX_reg(context
) = ERROR_FILE_NOT_FOUND
;
601 dta
->drive
= (path
[0] && (path
[1] == ':')) ? toupper(path
[0]) - 'A'
602 : DRIVE_GetCurrentDrive();
604 dta
->search_attr
= CL_reg(context
);
609 static int INT21_FindNext( CONTEXT
*context
)
611 FINDFILE_DTA
*dta
= (FINDFILE_DTA
*)GetCurrentDTA(context
);
612 WIN32_FIND_DATAA entry
;
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
)))
619 HeapFree( GetProcessHeap(), 0, dta
->unixPath
);
620 dta
->unixPath
= NULL
;
623 if ((int)dta
->count
+ count
> 0xffff)
625 WARN(int21
, "Too many directory entries in %s\n", dta
->unixPath
);
626 HeapFree( GetProcessHeap(), 0, dta
->unixPath
);
627 dta
->unixPath
= NULL
;
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
;
647 static BOOL
INT21_CreateTempFile( CONTEXT
*context
)
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
);
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
++ = '\\';
659 sprintf( p
, "wine%04x.%03d", (int)getpid(), counter
);
660 counter
= (counter
+ 1) % 1000;
662 if ((AX_reg(context
) = _lcreat16_uniq( name
, 0 )) != (WORD
)HFILE_ERROR16
)
664 TRACE(int21
, "created %s\n", name
);
667 if (GetLastError() != ERROR_FILE_EXISTS
) return FALSE
;
672 static BOOL
INT21_GetCurrentDirectory( CONTEXT
*context
)
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
) );
677 if (!DRIVE_IsValid(drive
))
679 SetLastError( ERROR_INVALID_DRIVE
);
682 lstrcpynA( ptr
, DRIVE_GetDosCwd(drive
), 64 );
683 AX_reg(context
) = 0x0100; /* success return code */
688 static void INT21_GetDBCSLeadTable( CONTEXT
*context
)
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
;
697 AX_reg(context
) = 0x1; /* error */
703 static int INT21_GetDiskSerialNumber( CONTEXT
*context
)
705 BYTE
*dataptr
= CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
), EDX_reg(context
));
706 int drive
= DOS_GET_DRIVE( BL_reg(context
) );
708 if (!DRIVE_IsValid(drive
))
710 SetLastError( ERROR_INVALID_DRIVE
);
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);
722 static int INT21_SetDiskSerialNumber( CONTEXT
*context
)
724 BYTE
*dataptr
= CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
), EDX_reg(context
));
725 int drive
= DOS_GET_DRIVE( BL_reg(context
) );
727 if (!DRIVE_IsValid(drive
))
729 SetLastError( ERROR_INVALID_DRIVE
);
733 DRIVE_SetSerialNumber( drive
, *(DWORD
*)(dataptr
+ 2) );
738 /* microsoft's programmers should be shot for using CP/M style int21
739 calls in Windows for Workgroup's winfile.exe */
741 static int INT21_FindFirstFCB( CONTEXT
*context
)
743 BYTE
*fcb
= (BYTE
*)CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
), EDX_reg(context
));
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
);
765 static int INT21_FindNextFCB( CONTEXT
*context
)
767 BYTE
*fcb
= (BYTE
*)CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
), EDX_reg(context
));
769 DOS_DIRENTRY_LAYOUT
*pResult
= (DOS_DIRENTRY_LAYOUT
*)GetCurrentDTA(context
);
770 WIN32_FIND_DATAA entry
;
774 if (*fcb
== 0xff) /* extended FCB ? */
777 pFCB
= (FINDFILE_FCB
*)(fcb
+ 7);
782 pFCB
= (FINDFILE_FCB
*)fcb
;
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
)))
790 HeapFree( GetProcessHeap(), 0, pFCB
->unixPath
);
791 pFCB
->unixPath
= NULL
;
794 pFCB
->count
+= count
;
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
;
802 *(BYTE
*)pResult
= DOS_GET_DRIVE( pFCB
->drive
); /* DOS_DIRENTRY_LAYOUT after current drive number */
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
);
811 /* Convert file name to FCB format */
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] = '.';
819 char *p
= strrchr( entry
.cAlternateFileName
, '.' );
820 if (p
&& p
[1] && (p
!= entry
.cAlternateFileName
))
822 memcpy( pResult
->filename
, entry
.cAlternateFileName
,
823 MIN( (p
- entry
.cAlternateFileName
), 8 ) );
824 memcpy( pResult
->filename
+ 8, p
+ 1, MIN( strlen(p
), 3 ) );
827 memcpy( pResult
->filename
, entry
.cAlternateFileName
,
828 MIN( strlen(entry
.cAlternateFileName
), 8 ) );
834 static void DeleteFileFCB( CONTEXT
*context
)
836 FIXME(int21
, "(%p): stub\n", context
);
839 static void RenameFileFCB( CONTEXT
*context
)
841 FIXME(int21
, "(%p): stub\n", context
);
846 static void fLock( CONTEXT
* context
)
849 switch ( AX_reg(context
) & 0xff )
851 case 0x00: /* LOCK */
852 TRACE(int21
,"lock handle %d offset %ld length %ld\n",
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();
864 case 0x01: /* UNLOCK */
865 TRACE(int21
,"unlock handle %d offset %ld length %ld\n",
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();
877 AX_reg(context
) = 0x0001;
884 INT21_networkfunc (CONTEXT
*context
)
886 switch (AL_reg(context
)) {
887 case 0x00: /* Get machine name. */
889 char *dst
= CTX_SEG_OFF_TO_LIN (context
,DS_reg(context
),EDX_reg(context
));
890 TRACE(int21
, "getting machine name to %p\n", dst
);
891 if (gethostname (dst
, 15))
893 WARN(int21
,"failed!\n");
894 SetLastError( ER_NoNetwork
);
897 int len
= strlen (dst
);
901 CH_reg(context
) = 1; /* Valid */
902 CL_reg(context
) = 1; /* NETbios number??? */
903 TRACE(int21
, "returning %s\n", debugstr_an (dst
, 16));
909 SetLastError( ER_NoNetwork
);
914 static void INT21_SetCurrentPSP(WORD psp
)
917 TDB
*pTask
= (TDB
*)GlobalLock16( GetCurrentTask() );
918 NE_MODULE
*pModule
= pTask
? NE_GetPtr( pTask
->hModule
) : NULL
;
920 GlobalUnlock16( GetCurrentTask() );
921 if (pModule
->lpDosTask
)
922 pModule
->lpDosTask
->psp_seg
= psp
;
925 ERR(int21
, "Cannot change PSP for non-DOS task!\n");
928 static WORD
INT21_GetCurrentPSP()
931 TDB
*pTask
= (TDB
*)GlobalLock16( GetCurrentTask() );
932 NE_MODULE
*pModule
= pTask
? NE_GetPtr( pTask
->hModule
) : NULL
;
934 GlobalUnlock16( GetCurrentTask() );
935 if (pModule
->lpDosTask
)
936 return pModule
->lpDosTask
->psp_seg
;
939 return GetCurrentPDB16();
943 SEGPTR
INT21_GetListOfLists()
945 static DOS_LISTOFLISTS
*LOL
;
946 static SEGPTR seg_LOL
;
951 0133:0020 6A 13-33 01 CC 00 33 01 59 00 j.3...3.Y.
952 0133:0030 70 00 00 00 72 02 00 02-6D 00 33 01 00 00 2E 05 p...r...m.3.....
953 0133:0040 00 00 FC 04 00 00 03 08-92 21 11 E0 04 80 C6 0D .........!......
954 0133:0050 CC 0D 4E 55 4C 20 20 20-20 20 00 00 00 00 00 00 ..NUL ......
955 0133:0060 00 4B BA C1 06 14 00 00-00 03 01 00 04 70 CE FF .K...........p..
956 0133:0070 FF 00 00 00 00 00 00 00-00 01 00 00 0D 05 00 00 ................
957 0133:0080 00 FF FF 00 00 00 00 FE-00 00 F8 03 FF 9F 70 02 ..............p.
958 0133:0090 D0 44 C8 FD D4 44 C8 FD-D4 44 C8 FD D0 44 C8 FD .D...D...D...D..
959 0133:00A0 D0 44 C8 FD D0 44 .D...D
962 LOL
= SEGPTR_ALLOC(sizeof(DOS_LISTOFLISTS
));
964 LOL
->CX_Int21_5e01
= 0x0;
965 LOL
->LRU_count_FCB_cache
= 0x0;
966 LOL
->LRU_count_FCB_open
= 0x0;
967 LOL
->OEM_func_handler
= -1; /* not available */
968 LOL
->INT21_offset
= 0x0;
969 LOL
->sharing_retry_count
= sharing_retries
; /* default value: 3 */
970 LOL
->sharing_retry_delay
= sharing_pause
; /* default value: 1 */
971 LOL
->ptr_disk_buf
= 0x0;
972 LOL
->offs_unread_CON
= 0x0;
973 LOL
->seg_first_MCB
= 0x0;
974 LOL
->ptr_first_DPB
= 0x0;
975 LOL
->ptr_first_SysFileTable
= 0x0;
976 LOL
->ptr_clock_dev_hdr
= 0x0;
977 LOL
->ptr_CON_dev_hdr
= 0x0;
978 LOL
->max_byte_per_sec
= 512;
979 LOL
->ptr_disk_buf_info
= 0x0;
980 LOL
->ptr_array_CDS
= 0x0;
981 LOL
->ptr_sys_FCB
= 0x0;
982 LOL
->nr_protect_FCB
= 0x0;
983 LOL
->nr_block_dev
= 0x0;
984 LOL
->nr_avail_drive_letters
= 26; /* A - Z */
985 LOL
->nr_drives_JOINed
= 0x0;
986 LOL
->ptr_spec_prg_names
= 0x0;
987 LOL
->ptr_SETVER_prg_list
= 0x0; /* no SETVER list */
988 LOL
->DOS_HIGH_A20_func_offs
= 0x0;
989 LOL
->PSP_last_exec
= 0x0;
990 LOL
->BUFFERS_val
= 99; /* maximum: 99 */
991 LOL
->BUFFERS_nr_lookahead
= 8; /* maximum: 8 */
992 LOL
->boot_drive
= 3; /* C: */
993 LOL
->flag_DWORD_moves
= 0x01; /* i386+ */
994 LOL
->size_extended_mem
= 0xf000; /* very high value */
996 if (!seg_LOL
) seg_LOL
= SEGPTR_GET(LOL
);
997 return seg_LOL
+(WORD
)&((DOS_LISTOFLISTS
*)0)->ptr_first_DPB
;
1001 /***********************************************************************
1002 * INT21_GetExtendedError
1004 static void INT21_GetExtendedError( CONTEXT
*context
)
1006 BYTE
class, action
, locus
;
1007 WORD error
= GetLastError();
1012 class = action
= locus
= 0;
1014 case ERROR_DIR_NOT_EMPTY
:
1019 case ERROR_ACCESS_DENIED
:
1020 class = EC_AccessDenied
;
1024 case ERROR_CANNOT_MAKE
:
1025 class = EC_AccessDenied
;
1029 case ERROR_DISK_FULL
:
1030 case ERROR_HANDLE_DISK_FULL
:
1031 class = EC_MediaError
;
1035 case ERROR_FILE_EXISTS
:
1036 case ERROR_ALREADY_EXISTS
:
1041 case ERROR_FILE_NOT_FOUND
:
1042 class = EC_NotFound
;
1046 case ER_GeneralFailure
:
1047 class = EC_SystemFailure
;
1051 case ERROR_INVALID_DRIVE
:
1052 class = EC_MediaError
;
1056 case ERROR_INVALID_HANDLE
:
1057 class = EC_ProgramError
;
1061 case ERROR_LOCK_VIOLATION
:
1062 class = EC_AccessDenied
;
1066 case ERROR_NO_MORE_FILES
:
1067 class = EC_MediaError
;
1072 class = EC_NotFound
;
1076 case ERROR_NOT_ENOUGH_MEMORY
:
1077 class = EC_OutOfResource
;
1081 case ERROR_PATH_NOT_FOUND
:
1082 class = EC_NotFound
;
1087 class = EC_NotFound
;
1091 case ERROR_SHARING_VIOLATION
:
1092 class = EC_Temporary
;
1096 case ERROR_TOO_MANY_OPEN_FILES
:
1097 class = EC_ProgramError
;
1102 FIXME( int21
, "Unknown error %d\n", error
);
1103 class = EC_SystemFailure
;
1108 TRACE( int21
, "GET EXTENDED ERROR code 0x%02x class 0x%02x action 0x%02x locus %02x\n",
1109 error
, class, action
, locus
);
1110 AX_reg(context
) = error
;
1111 BH_reg(context
) = class;
1112 BL_reg(context
) = action
;
1113 CH_reg(context
) = locus
;
1116 /***********************************************************************
1117 * DOS3Call (KERNEL.102)
1119 void WINAPI
DOS3Call( CONTEXT
*context
)
1121 BOOL bSetDOSExtendedError
= FALSE
;
1124 TRACE(int21
, "AX=%04x BX=%04x CX=%04x DX=%04x "
1125 "SI=%04x DI=%04x DS=%04x ES=%04x EFL=%08lx\n",
1126 AX_reg(context
), BX_reg(context
), CX_reg(context
), DX_reg(context
),
1127 SI_reg(context
), DI_reg(context
),
1128 (WORD
)DS_reg(context
), (WORD
)ES_reg(context
),
1132 if (AH_reg(context
) == 0x59) /* Get extended error info */
1134 INT21_GetExtendedError( context
);
1138 if (AH_reg(context
) == 0x0C) /* Flush buffer and read standard input */
1140 TRACE(int21
, "FLUSH BUFFER AND READ STANDARD INPUT\n");
1141 /* no flush here yet */
1142 AH_reg(context
) = AL_reg(context
);
1145 if (AH_reg(context
)>=0x2f) {
1146 /* extended error is used by (at least) functions 0x2f to 0x62 */
1149 RESET_CFLAG(context
); /* Not sure if this is a good idea */
1151 switch(AH_reg(context
))
1153 case 0x03: /* READ CHARACTER FROM STDAUX */
1154 case 0x04: /* WRITE CHARACTER TO STDAUX */
1155 case 0x05: /* WRITE CHARACTER TO PRINTER */
1156 case 0x0f: /* OPEN FILE USING FCB */
1157 case 0x10: /* CLOSE FILE USING FCB */
1158 case 0x14: /* SEQUENTIAL READ FROM FCB FILE */
1159 case 0x15: /* SEQUENTIAL WRITE TO FCB FILE */
1160 case 0x16: /* CREATE OR TRUNCATE FILE USING FCB */
1161 case 0x21: /* READ RANDOM RECORD FROM FCB FILE */
1162 case 0x22: /* WRITE RANDOM RECORD TO FCB FILE */
1163 case 0x23: /* GET FILE SIZE FOR FCB */
1164 case 0x24: /* SET RANDOM RECORD NUMBER FOR FCB */
1165 case 0x26: /* CREATE NEW PROGRAM SEGMENT PREFIX */
1166 case 0x27: /* RANDOM BLOCK READ FROM FCB FILE */
1167 case 0x28: /* RANDOM BLOCK WRITE TO FCB FILE */
1168 INT_BARF( context
, 0x21 );
1171 case 0x00: /* TERMINATE PROGRAM */
1172 TRACE(int21
,"TERMINATE PROGRAM\n");
1176 case 0x01: /* READ CHARACTER FROM STANDARD INPUT, WITH ECHO */
1177 TRACE(int21
,"DIRECT CHARACTER INPUT WITH ECHO\n");
1178 AL_reg(context
) = CONSOLE_GetCharacter();
1179 /* FIXME: no echo */
1182 case 0x02: /* WRITE CHARACTER TO STANDARD OUTPUT */
1183 TRACE(int21
, "Write Character to Standard Output\n");
1184 CONSOLE_Write(DL_reg(context
), 0, 0, 0);
1187 case 0x06: /* DIRECT CONSOLE IN/OUTPUT */
1188 if (DL_reg(context
) == 0xff) {
1189 static char scan
= 0;
1190 TRACE(int21
, "Direct Console Input\n");
1192 /* return pending scancode */
1193 AL_reg(context
) = scan
;
1194 FL_reg(context
) &= ~0x40; /* clear ZF */
1198 if (CONSOLE_CheckForKeystroke(&scan
,&ascii
)) {
1199 CONSOLE_GetKeystroke(&scan
,&ascii
);
1200 /* return ASCII code */
1201 AL_reg(context
) = ascii
;
1202 FL_reg(context
) &= ~0x40; /* clear ZF */
1203 /* return scan code on next call only if ascii==0 */
1204 if (ascii
) scan
= 0;
1206 /* nothing pending, clear everything */
1207 AL_reg(context
) = 0;
1208 FL_reg(context
) |= 0x40; /* set ZF */
1209 scan
= 0; /* just in case */
1213 TRACE(int21
, "Direct Console Output\n");
1214 CONSOLE_Write(DL_reg(context
), 0, 0, 0);
1218 case 0x07: /* DIRECT CHARACTER INPUT WITHOUT ECHO */
1219 TRACE(int21
,"DIRECT CHARACTER INPUT WITHOUT ECHO\n");
1220 AL_reg(context
) = CONSOLE_GetCharacter();
1223 case 0x08: /* CHARACTER INPUT WITHOUT ECHO */
1224 TRACE(int21
,"CHARACTER INPUT WITHOUT ECHO\n");
1225 AL_reg(context
) = CONSOLE_GetCharacter();
1228 case 0x09: /* WRITE STRING TO STANDARD OUTPUT */
1229 TRACE(int21
,"WRITE '$'-terminated string from %04lX:%04X to stdout\n",
1230 DS_reg(context
),DX_reg(context
) );
1232 LPSTR data
= CTX_SEG_OFF_TO_LIN(context
,DS_reg(context
),EDX_reg(context
));
1234 /* do NOT use strchr() to calculate the string length,
1235 as '\0' is valid string content, too !
1236 Maybe we should check for non-'$' strings, but DOS doesn't. */
1237 while (*p
!= '$') p
++;
1238 _hwrite16( 1, data
, (int)p
- (int)data
);
1239 AL_reg(context
) = '$'; /* yes, '$' (0x24) gets returned in AL */
1243 case 0x0a: /* BUFFERED INPUT */
1245 char *buffer
= ((char *)CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
),
1246 EDX_reg(context
) ));
1249 TRACE(int21
,"BUFFERED INPUT (size=%d)\n",buffer
[0]);
1251 TRACE(int21
,"Handle old chars in buffer!\n");
1252 res
=_lread16( 0, buffer
+2,buffer
[0]);
1254 if(buffer
[res
+1] == '\n')
1255 buffer
[res
+1] = '\r';
1259 case 0x0b: {/* GET STDIN STATUS */
1262 if (CONSOLE_CheckForKeystroke(&x1
,&x2
))
1263 AL_reg(context
) = 0xff;
1265 AL_reg(context
) = 0;
1268 case 0x2e: /* SET VERIFY FLAG */
1269 TRACE(int21
,"SET VERIFY FLAG ignored\n");
1270 /* we cannot change the behaviour anyway, so just ignore it */
1273 case 0x18: /* NULL FUNCTIONS FOR CP/M COMPATIBILITY */
1277 case 0x6b: /* NULL FUNCTION */
1278 AL_reg(context
) = 0;
1281 case 0x5c: /* "FLOCK" - RECORD LOCKING */
1285 case 0x0d: /* DISK BUFFER FLUSH */
1286 TRACE(int21
,"DISK BUFFER FLUSH ignored\n");
1287 RESET_CFLAG(context
); /* dos 6+ only */
1290 case 0x0e: /* SELECT DEFAULT DRIVE */
1291 TRACE(int21
,"SELECT DEFAULT DRIVE %d\n", DL_reg(context
));
1292 DRIVE_SetCurrentDrive( DL_reg(context
) );
1293 AL_reg(context
) = MAX_DOS_DRIVES
;
1296 case 0x11: /* FIND FIRST MATCHING FILE USING FCB */
1297 TRACE(int21
,"FIND FIRST MATCHING FILE USING FCB %p\n",
1298 CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
), EDX_reg(context
)));
1299 if (!INT21_FindFirstFCB(context
))
1301 AL_reg(context
) = 0xff;
1304 /* else fall through */
1306 case 0x12: /* FIND NEXT MATCHING FILE USING FCB */
1307 AL_reg(context
) = INT21_FindNextFCB(context
) ? 0x00 : 0xff;
1310 case 0x13: /* DELETE FILE USING FCB */
1311 DeleteFileFCB(context
);
1314 case 0x17: /* RENAME FILE USING FCB */
1315 RenameFileFCB(context
);
1318 case 0x19: /* GET CURRENT DEFAULT DRIVE */
1319 AL_reg(context
) = DRIVE_GetCurrentDrive();
1322 case 0x1a: /* SET DISK TRANSFER AREA ADDRESS */
1324 TDB
*pTask
= (TDB
*)GlobalLock16( GetCurrentTask() );
1325 pTask
->dta
= PTR_SEG_OFF_TO_SEGPTR(DS_reg(context
),DX_reg(context
));
1326 TRACE(int21
, "Set DTA: %08lx\n", pTask
->dta
);
1330 case 0x1b: /* GET ALLOCATION INFORMATION FOR DEFAULT DRIVE */
1331 DL_reg(context
) = 0;
1332 if (!INT21_GetDriveAllocInfo(context
)) AX_reg(context
) = 0xffff;
1335 case 0x1c: /* GET ALLOCATION INFORMATION FOR SPECIFIC DRIVE */
1336 if (!INT21_GetDriveAllocInfo(context
)) AX_reg(context
) = 0xffff;
1339 case 0x1f: /* GET DRIVE PARAMETER BLOCK FOR DEFAULT DRIVE */
1340 GetDrivePB(context
, DRIVE_GetCurrentDrive());
1343 case 0x25: /* SET INTERRUPT VECTOR */
1344 INT_CtxSetHandler( context
, AL_reg(context
),
1345 (FARPROC16
)PTR_SEG_OFF_TO_SEGPTR( DS_reg(context
),
1349 case 0x29: /* PARSE FILENAME INTO FCB */
1350 INT21_ParseFileNameIntoFCB(context
);
1353 case 0x2a: /* GET SYSTEM DATE */
1354 INT21_GetSystemDate(context
);
1357 case 0x2b: /* SET SYSTEM DATE */
1358 FIXME(int21
, "SetSystemDate(%02d/%02d/%04d): not allowed\n",
1359 DL_reg(context
), DH_reg(context
), CX_reg(context
) );
1360 AL_reg(context
) = 0; /* Let's pretend we succeeded */
1363 case 0x2c: /* GET SYSTEM TIME */
1364 INT21_GetSystemTime(context
);
1367 case 0x2d: /* SET SYSTEM TIME */
1368 FIXME(int21
, "SetSystemTime(%02d:%02d:%02d.%02d): not allowed\n",
1369 CH_reg(context
), CL_reg(context
),
1370 DH_reg(context
), DL_reg(context
) );
1371 AL_reg(context
) = 0; /* Let's pretend we succeeded */
1374 case 0x2f: /* GET DISK TRANSFER AREA ADDRESS */
1375 TRACE(int21
,"GET DISK TRANSFER AREA ADDRESS\n");
1377 TDB
*pTask
= (TDB
*)GlobalLock16( GetCurrentTask() );
1378 ES_reg(context
) = SELECTOROF( pTask
->dta
);
1379 BX_reg(context
) = OFFSETOF( pTask
->dta
);
1383 case 0x30: /* GET DOS VERSION */
1384 TRACE(int21
,"GET DOS VERSION %s requested\n",
1385 (AL_reg(context
) == 0x00)?"OEM number":"version flag");
1386 AX_reg(context
) = (HIWORD(GetVersion16()) >> 8) |
1387 (HIWORD(GetVersion16()) << 8);
1389 AH_reg(context
) = 0x7;
1390 AL_reg(context
) = 0xA;
1393 BX_reg(context
) = 0x00FF; /* 0x123456 is Wine's serial # */
1394 CX_reg(context
) = 0x0000;
1397 case 0x31: /* TERMINATE AND STAY RESIDENT */
1398 FIXME(int21
,"TERMINATE AND STAY RESIDENT stub\n");
1401 case 0x32: /* GET DOS DRIVE PARAMETER BLOCK FOR SPECIFIC DRIVE */
1402 TRACE(int21
,"GET DOS DRIVE PARAMETER BLOCK FOR DRIVE %s\n",
1403 INT21_DriveName( DL_reg(context
)));
1404 GetDrivePB(context
, DOS_GET_DRIVE( DL_reg(context
) ) );
1407 case 0x33: /* MULTIPLEXED */
1408 switch (AL_reg(context
))
1410 case 0x00: /* GET CURRENT EXTENDED BREAK STATE */
1411 TRACE(int21
,"GET CURRENT EXTENDED BREAK STATE\n");
1412 DL_reg(context
) = DOSCONF_config
.brk_flag
;
1415 case 0x01: /* SET EXTENDED BREAK STATE */
1416 TRACE(int21
,"SET CURRENT EXTENDED BREAK STATE\n");
1417 DOSCONF_config
.brk_flag
= (DL_reg(context
) > 0);
1420 case 0x02: /* GET AND SET EXTENDED CONTROL-BREAK CHECKING STATE*/
1421 TRACE(int21
,"GET AND SET EXTENDED CONTROL-BREAK CHECKING STATE\n");
1422 /* ugly coding in order to stay reentrant */
1423 if (DL_reg(context
))
1425 DL_reg(context
) = DOSCONF_config
.brk_flag
;
1426 DOSCONF_config
.brk_flag
= 1;
1430 DL_reg(context
) = DOSCONF_config
.brk_flag
;
1431 DOSCONF_config
.brk_flag
= 0;
1435 case 0x05: /* GET BOOT DRIVE */
1436 TRACE(int21
,"GET BOOT DRIVE\n");
1437 DL_reg(context
) = 3;
1438 /* c: is Wine's bootdrive (a: is 1)*/
1441 case 0x06: /* GET TRUE VERSION NUMBER */
1442 TRACE(int21
,"GET TRUE VERSION NUMBER\n");
1443 BX_reg(context
) = (HIWORD(GetVersion16() >> 8)) |
1444 (HIWORD(GetVersion16() << 8));
1445 DX_reg(context
) = 0x00;
1449 INT_BARF( context
, 0x21 );
1454 case 0x34: /* GET ADDRESS OF INDOS FLAG */
1455 TRACE(int21
,"GET ADDRESS OF INDOS FLAG\n");
1456 if (!heap
) INT21_CreateHeap();
1457 ES_reg(context
) = DosHeapHandle
;
1458 BX_reg(context
) = (int)&heap
->InDosFlag
- (int)heap
;
1461 case 0x35: /* GET INTERRUPT VECTOR */
1462 TRACE(int21
,"GET INTERRUPT VECTOR 0x%02x\n",AL_reg(context
));
1464 FARPROC16 addr
= INT_CtxGetHandler( context
, AL_reg(context
) );
1465 ES_reg(context
) = SELECTOROF(addr
);
1466 BX_reg(context
) = OFFSETOF(addr
);
1470 case 0x36: /* GET FREE DISK SPACE */
1471 TRACE(int21
,"GET FREE DISK SPACE FOR DRIVE %s\n",
1472 INT21_DriveName( DL_reg(context
)));
1473 if (!INT21_GetFreeDiskSpace(context
)) AX_reg(context
) = 0xffff;
1478 unsigned char switchchar
='/';
1479 switch (AL_reg(context
))
1481 case 0x00: /* "SWITCHAR" - GET SWITCH CHARACTER */
1482 TRACE(int21
,"SWITCHAR - GET SWITCH CHARACTER\n");
1483 AL_reg(context
) = 0x00; /* success*/
1484 DL_reg(context
) = switchchar
;
1486 case 0x01: /*"SWITCHAR" - SET SWITCH CHARACTER*/
1487 TRACE(int21
,"SWITCHAR - SET SWITCH CHARACTER\n");
1488 switchchar
= DL_reg(context
);
1489 AL_reg(context
) = 0x00; /* success*/
1491 default: /*"AVAILDEV" - SPECIFY \DEV\ PREFIX USE*/
1492 INT_BARF( context
, 0x21 );
1498 case 0x38: /* GET COUNTRY-SPECIFIC INFORMATION */
1499 TRACE(int21
,"GET COUNTRY-SPECIFIC INFORMATION for country 0x%02x\n",
1501 AX_reg(context
) = 0x02; /* no country support available */
1505 case 0x39: /* "MKDIR" - CREATE SUBDIRECTORY */
1506 TRACE(int21
,"MKDIR %s\n",
1507 (LPCSTR
)CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
), EDX_reg(context
)));
1508 bSetDOSExtendedError
= (!CreateDirectory16( CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
),
1509 EDX_reg(context
) ), NULL
));
1510 /* FIXME: CreateDirectory's LastErrors will clash with the ones
1511 * used by dos. AH=39 only returns 3 (path not found) and 5 (access
1512 * denied), while CreateDirectory return several ones. remap some of
1515 if (bSetDOSExtendedError
) {
1516 switch (GetLastError()) {
1517 case ERROR_ALREADY_EXISTS
:
1518 case ERROR_FILENAME_EXCED_RANGE
:
1519 case ERROR_DISK_FULL
:
1520 SetLastError(ERROR_ACCESS_DENIED
);
1527 case 0x3a: /* "RMDIR" - REMOVE SUBDIRECTORY */
1528 TRACE(int21
,"RMDIR %s\n",
1529 (LPCSTR
)CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
), EDX_reg(context
)));
1530 bSetDOSExtendedError
= (!RemoveDirectory16( CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
),
1531 EDX_reg(context
) )));
1534 case 0x3b: /* "CHDIR" - SET CURRENT DIRECTORY */
1535 TRACE(int21
,"CHDIR %s\n",
1536 (LPCSTR
)CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
), EDX_reg(context
)));
1537 bSetDOSExtendedError
= !INT21_ChangeDir(context
);
1540 case 0x3c: /* "CREAT" - CREATE OR TRUNCATE FILE */
1541 TRACE(int21
,"CREAT flag 0x%02x %s\n",CX_reg(context
),
1542 (LPCSTR
)CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
), EDX_reg(context
)));
1543 bSetDOSExtendedError
= INT21_CreateFile( context
);
1546 case 0x3d: /* "OPEN" - OPEN EXISTING FILE */
1547 TRACE(int21
,"OPEN mode 0x%02x %s\n",AL_reg(context
),
1548 (LPCSTR
)CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
), EDX_reg(context
)));
1549 OpenExistingFile(context
);
1552 case 0x3e: /* "CLOSE" - CLOSE FILE */
1553 TRACE(int21
,"CLOSE handle %d\n",BX_reg(context
));
1554 bSetDOSExtendedError
= ((AX_reg(context
) = _lclose16( BX_reg(context
) )) != 0);
1557 case 0x3f: /* "READ" - READ FROM FILE OR DEVICE */
1558 TRACE(int21
,"READ from %d to %04lX:%04X for %d byte\n",BX_reg(context
),
1559 DS_reg(context
),DX_reg(context
),CX_reg(context
) );
1563 result
= _hread16( BX_reg(context
),
1564 CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
),
1568 result
= WIN16_hread( BX_reg(context
),
1569 PTR_SEG_OFF_TO_SEGPTR( DS_reg(context
),
1572 if (result
== -1) bSetDOSExtendedError
= TRUE
;
1573 else AX_reg(context
) = (WORD
)result
;
1577 case 0x40: /* "WRITE" - WRITE TO FILE OR DEVICE */
1578 TRACE(int21
,"WRITE from %04lX:%04X to handle %d for %d byte\n",
1579 DS_reg(context
),DX_reg(context
),BX_reg(context
),CX_reg(context
) );
1581 LONG result
= _hwrite16( BX_reg(context
),
1582 CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
),
1585 if (result
== -1) bSetDOSExtendedError
= TRUE
;
1586 else AX_reg(context
) = (WORD
)result
;
1590 case 0x41: /* "UNLINK" - DELETE FILE */
1591 TRACE(int21
,"UNLINK%s\n",
1592 (LPCSTR
)CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
), EDX_reg(context
)));
1593 bSetDOSExtendedError
= (!DeleteFileA( CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
),
1594 EDX_reg(context
) )));
1597 case 0x42: /* "LSEEK" - SET CURRENT FILE POSITION */
1598 TRACE(int21
,"LSEEK handle %d offset %ld from %s\n",
1599 BX_reg(context
), MAKELONG(DX_reg(context
),CX_reg(context
)),
1600 (AL_reg(context
)==0)?"start of file":(AL_reg(context
)==1)?
1601 "current file position":"end of file");
1603 LONG status
= _llseek16( BX_reg(context
),
1604 MAKELONG(DX_reg(context
),CX_reg(context
)),
1606 if (status
== -1) bSetDOSExtendedError
= TRUE
;
1609 AX_reg(context
) = LOWORD(status
);
1610 DX_reg(context
) = HIWORD(status
);
1615 case 0x43: /* FILE ATTRIBUTES */
1616 switch (AL_reg(context
))
1619 TRACE(int21
,"GET FILE ATTRIBUTES for %s\n",
1620 (LPCSTR
)CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
), EDX_reg(context
)));
1621 AX_reg(context
) = (WORD
)GetFileAttributesA(
1622 CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
),
1624 if (AX_reg(context
) == 0xffff) bSetDOSExtendedError
= TRUE
;
1625 else CX_reg(context
) = AX_reg(context
);
1629 TRACE(int21
,"SET FILE ATTRIBUTES 0x%02x for %s\n", CX_reg(context
),
1630 (LPCSTR
)CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
), EDX_reg(context
)));
1631 bSetDOSExtendedError
=
1632 (!SetFileAttributesA( CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
),
1637 TRACE(int21
,"GET COMPRESSED FILE SIZE for %s stub\n",
1638 (LPCSTR
)CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
), EDX_reg(context
)));
1642 case 0x44: /* IOCTL */
1643 switch (AL_reg(context
))
1646 ioctlGetDeviceInfo(context
);
1652 const DOS_DEVICE
*dev
;
1653 if ((dev
= DOSFS_GetDeviceByHandle( FILE_GetHandle(BX_reg(context
)) )) &&
1654 !strcasecmp( dev
->name
, "SCSIMGR$" ))
1656 ASPI_DOS_HandleInt(context
);
1660 case 0x05:{ /* IOCTL - WRITE TO BLOCK DEVICE CONTROL CHANNEL */
1661 /*BYTE *dataptr = CTX_SEG_OFF_TO_LIN(context, DS_reg(context),EDX_reg(context));*/
1662 int drive
= DOS_GET_DRIVE(BL_reg(context
));
1664 FIXME(int21
,"program tried to write to block device control channel of drive %d:\n",drive
);
1665 /* for (i=0;i<CX_reg(context);i++)
1666 fprintf(stdnimp,"%02x ",dataptr[i]);
1667 fprintf(stdnimp,"\n");*/
1668 AX_reg(context
)=CX_reg(context
);
1671 case 0x08: /* Check if drive is removable. */
1672 TRACE(int21
,"IOCTL - CHECK IF BLOCK DEVICE REMOVABLE for drive %s\n",
1673 INT21_DriveName( BL_reg(context
)));
1674 switch(GetDriveType16( DOS_GET_DRIVE( BL_reg(context
) )))
1676 case DRIVE_CANNOTDETERMINE
:
1677 SetLastError( ERROR_INVALID_DRIVE
);
1678 AX_reg(context
) = ERROR_INVALID_DRIVE
;
1681 case DRIVE_REMOVABLE
:
1682 AX_reg(context
) = 0; /* removable */
1685 AX_reg(context
) = 1; /* not removable */
1690 case 0x09: /* CHECK IF BLOCK DEVICE REMOTE */
1691 TRACE(int21
,"IOCTL - CHECK IF BLOCK DEVICE REMOTE for drive %s\n",
1692 INT21_DriveName( BL_reg(context
)));
1693 switch(GetDriveType16( DOS_GET_DRIVE( BL_reg(context
) )))
1695 case DRIVE_CANNOTDETERMINE
:
1696 SetLastError( ERROR_INVALID_DRIVE
);
1697 AX_reg(context
) = ERROR_INVALID_DRIVE
;
1701 DX_reg(context
) = (1<<9) | (1<<12); /* remote */
1704 DX_reg(context
) = 0; /* FIXME: use driver attr here */
1709 case 0x0a: /* check if handle (BX) is remote */
1710 TRACE(int21
,"IOCTL - CHECK IF HANDLE %d IS REMOTE\n",BX_reg(context
));
1711 /* returns DX, bit 15 set if remote, bit 14 set if date/time
1714 DX_reg(context
) = 0;
1717 case 0x0b: /* SET SHARING RETRY COUNT */
1718 TRACE(int21
,"IOCTL - SET SHARING RETRY COUNT pause %d retries %d\n",
1719 CX_reg(context
), DX_reg(context
));
1720 if (!CX_reg(context
))
1722 AX_reg(context
) = 1;
1726 sharing_pause
= CX_reg(context
);
1727 if (!DX_reg(context
))
1728 sharing_retries
= DX_reg(context
);
1729 RESET_CFLAG(context
);
1733 TRACE(int21
,"IOCTL - GENERIC BLOCK DEVICE REQUEST %s\n",
1734 INT21_DriveName( BL_reg(context
)));
1735 bSetDOSExtendedError
= ioctlGenericBlkDevReq(context
);
1738 case 0x0e: /* get logical drive mapping */
1739 TRACE(int21
,"IOCTL - GET LOGICAL DRIVE MAP for drive %s\n",
1740 INT21_DriveName( BL_reg(context
)));
1741 AL_reg(context
) = 0; /* drive has no mapping - FIXME: may be wrong*/
1744 case 0x0F: /* Set logical drive mapping */
1747 TRACE(int21
,"IOCTL - SET LOGICAL DRIVE MAP for drive %s\n",
1748 INT21_DriveName( BL_reg(context
)));
1749 drive
= DOS_GET_DRIVE ( BL_reg(context
) );
1750 if ( ! DRIVE_SetLogicalMapping ( drive
, drive
+1 ) )
1753 AX_reg(context
) = 0x000F; /* invalid drive */
1758 case 0xe0: /* Sun PC-NFS API */
1763 INT_BARF( context
, 0x21 );
1768 case 0x45: /* "DUP" - DUPLICATE FILE HANDLE */
1771 TRACE(int21
,"DUP - DUPLICATE FILE HANDLE %d\n",BX_reg(context
));
1772 if ((bSetDOSExtendedError
= !DuplicateHandle( GetCurrentProcess(),
1773 FILE_GetHandle(BX_reg(context
)),
1774 GetCurrentProcess(), &handle
,
1775 0, TRUE
, DUPLICATE_SAME_ACCESS
)))
1776 AX_reg(context
) = HFILE_ERROR16
;
1778 AX_reg(context
) = FILE_AllocDosHandle(handle
);
1782 case 0x46: /* "DUP2", "FORCEDUP" - FORCE DUPLICATE FILE HANDLE */
1783 TRACE(int21
,"FORCEDUP - FORCE DUPLICATE FILE HANDLE %d to %d\n",
1784 BX_reg(context
),CX_reg(context
));
1785 bSetDOSExtendedError
= (FILE_Dup2( BX_reg(context
), CX_reg(context
) ) == HFILE_ERROR16
);
1788 case 0x47: /* "CWD" - GET CURRENT DIRECTORY */
1789 TRACE(int21
,"CWD - GET CURRENT DIRECTORY for drive %s\n",
1790 INT21_DriveName( DL_reg(context
)));
1791 bSetDOSExtendedError
= !INT21_GetCurrentDirectory(context
);
1794 case 0x48: /* ALLOCATE MEMORY */
1795 TRACE(int21
,"ALLOCATE MEMORY for %d paragraphs\n", BX_reg(context
));
1800 mem
= DOSMEM_GetBlock(0,(DWORD
)BX_reg(context
)<<4,NULL
);
1802 AX_reg(context
) = DOSMEM_MapLinearToDos(mem
)>>4;
1806 mem
= (LPVOID
)GlobalDOSAlloc16(BX_reg(context
)<<4);
1808 AX_reg(context
) = (DWORD
)mem
&0xffff;
1813 AX_reg(context
) = 0x0008; /* insufficient memory */
1814 BX_reg(context
) = DOSMEM_Available(0)>>4;
1819 case 0x49: /* FREE MEMORY */
1820 TRACE(int21
,"FREE MEMORY segment %04lX\n", ES_reg(context
));
1824 ret
= DOSMEM_FreeBlock(0,DOSMEM_MapDosToLinear(ES_reg(context
)<<4));
1827 ret
= !GlobalDOSFree16(ES_reg(context
));
1828 /* If we don't reset ES_reg, we will fail in the relay code */
1829 ES_reg(context
)=ret
;
1833 TRACE(int21
,"FREE MEMORY failed\n");
1835 AX_reg(context
) = 0x0009; /* memory block address invalid */
1840 case 0x4a: /* RESIZE MEMORY BLOCK */
1841 TRACE(int21
,"RESIZE MEMORY segment %04lX to %d paragraphs\n", ES_reg(context
), BX_reg(context
));
1842 if (!ISV86(context
))
1843 FIXME(int21
,"RESIZE MEMORY probably insufficient implementation. Expect crash soon\n");
1845 LPVOID
*mem
= DOSMEM_ResizeBlock(0,DOSMEM_MapDosToLinear(ES_reg(context
)<<4),
1846 BX_reg(context
)<<4,NULL
);
1848 AX_reg(context
) = DOSMEM_MapLinearToDos(mem
)>>4;
1851 AX_reg(context
) = 0x0008; /* insufficient memory */
1852 BX_reg(context
) = DOSMEM_Available(0)>>4; /* not quite right */
1857 case 0x4b: /* "EXEC" - LOAD AND/OR EXECUTE PROGRAM */
1858 TRACE(int21
,"EXEC %s\n",
1859 (LPCSTR
)CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
),EDX_reg(context
) ));
1860 AX_reg(context
) = WinExec16( CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
),
1863 if (AX_reg(context
) < 32) SET_CFLAG(context
);
1866 case 0x4c: /* "EXIT" - TERMINATE WITH RETURN CODE */
1867 TRACE(int21
,"EXIT with return code %d\n",AL_reg(context
));
1868 ExitProcess( AL_reg(context
) );
1871 case 0x4d: /* GET RETURN CODE */
1872 TRACE(int21
,"GET RETURN CODE (ERRORLEVEL)\n");
1873 AX_reg(context
) = 0; /* normal exit */
1876 case 0x4e: /* "FINDFIRST" - FIND FIRST MATCHING FILE */
1877 TRACE(int21
,"FINDFIRST mask 0x%04x spec %s\n",CX_reg(context
),
1878 (LPCSTR
)CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
), EDX_reg(context
)));
1879 if (!INT21_FindFirst(context
)) break;
1882 case 0x4f: /* "FINDNEXT" - FIND NEXT MATCHING FILE */
1883 TRACE(int21
,"FINDNEXT\n");
1884 if (!INT21_FindNext(context
))
1886 SetLastError( ERROR_NO_MORE_FILES
);
1887 AX_reg(context
) = ERROR_NO_MORE_FILES
;
1890 else AX_reg(context
) = 0; /* OK */
1892 case 0x50: /* SET CURRENT PROCESS ID (SET PSP ADDRESS) */
1893 TRACE(int21
, "SET CURRENT PROCESS ID (SET PSP ADDRESS)\n");
1894 INT21_SetCurrentPSP(BX_reg(context
));
1896 case 0x51: /* GET PSP ADDRESS */
1897 TRACE(int21
,"GET CURRENT PROCESS ID (GET PSP ADDRESS)\n");
1898 /* FIXME: should we return the original DOS PSP upon */
1899 /* Windows startup ? */
1900 BX_reg(context
) = INT21_GetCurrentPSP();
1902 case 0x62: /* GET PSP ADDRESS */
1903 TRACE(int21
,"GET CURRENT PSP ADDRESS\n");
1904 /* FIXME: should we return the original DOS PSP upon */
1905 /* Windows startup ? */
1906 BX_reg(context
) = INT21_GetCurrentPSP();
1909 case 0x52: /* "SYSVARS" - GET LIST OF LISTS */
1910 TRACE(int21
,"SYSVARS - GET LIST OF LISTS\n");
1913 lol
= INT21_GetListOfLists();
1914 ES_reg(context
) = HIWORD(lol
);
1915 BX_reg(context
) = LOWORD(lol
);
1919 case 0x54: /* Get Verify Flag */
1920 TRACE(int21
,"Get Verify Flag - Not Supported\n");
1921 AL_reg(context
) = 0x00; /* pretend we can tell. 00h = off 01h = on */
1924 case 0x56: /* "RENAME" - RENAME FILE */
1925 TRACE(int21
,"RENAME %s to %s\n",
1926 (LPCSTR
)CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
),EDX_reg(context
)),
1927 (LPCSTR
)CTX_SEG_OFF_TO_LIN(context
, ES_reg(context
),EDI_reg(context
)));
1928 bSetDOSExtendedError
=
1929 (!MoveFileA( CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
),EDX_reg(context
)),
1930 CTX_SEG_OFF_TO_LIN(context
, ES_reg(context
),EDI_reg(context
))));
1933 case 0x57: /* FILE DATE AND TIME */
1934 switch (AL_reg(context
))
1936 case 0x00: /* Get */
1939 TRACE(int21
,"GET FILE DATE AND TIME for handle %d\n",
1941 if (!GetFileTime( FILE_GetHandle(BX_reg(context
)), NULL
, NULL
, &filetime
))
1942 bSetDOSExtendedError
= TRUE
;
1943 else FileTimeToDosDateTime( &filetime
, &DX_reg(context
),
1948 case 0x01: /* Set */
1951 TRACE(int21
,"SET FILE DATE AND TIME for handle %d\n",
1953 DosDateTimeToFileTime( DX_reg(context
), CX_reg(context
),
1955 bSetDOSExtendedError
=
1956 (!SetFileTime( FILE_GetHandle(BX_reg(context
)),
1957 NULL
, NULL
, &filetime
));
1963 case 0x58: /* GET OR SET MEMORY/UMB ALLOCATION STRATEGY */
1964 TRACE(int21
,"GET OR SET MEMORY/UMB ALLOCATION STRATEGY subfunction %d\n",
1966 switch (AL_reg(context
))
1969 AX_reg(context
) = 1;
1972 AX_reg(context
) = 0;
1978 RESET_CFLAG(context
);
1981 case 0x5a: /* CREATE TEMPORARY FILE */
1982 TRACE(int21
,"CREATE TEMPORARY FILE\n");
1983 bSetDOSExtendedError
= !INT21_CreateTempFile(context
);
1986 case 0x5b: /* CREATE NEW FILE */
1987 TRACE(int21
,"CREATE NEW FILE 0x%02x for %s\n", CX_reg(context
),
1988 (LPCSTR
)CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
), EDX_reg(context
)));
1989 bSetDOSExtendedError
= ((AX_reg(context
) =
1990 _lcreat16_uniq( CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
),EDX_reg(context
)),
1991 CX_reg(context
) )) == (WORD
)HFILE_ERROR16
);
1994 case 0x5d: /* NETWORK */
1995 FIXME(int21
,"Function 0x%04x not implemented.\n", AX_reg (context
));
1996 /* Fix the following while you're at it. */
1997 SetLastError( ER_NoNetwork
);
1998 bSetDOSExtendedError
= TRUE
;
2002 bSetDOSExtendedError
= INT21_networkfunc (context
);
2005 case 0x5f: /* NETWORK */
2006 switch (AL_reg(context
))
2008 case 0x07: /* ENABLE DRIVE */
2009 TRACE(int21
,"ENABLE DRIVE %c:\n",(DL_reg(context
)+'A'));
2010 if (!DRIVE_Enable( DL_reg(context
) ))
2012 SetLastError( ERROR_INVALID_DRIVE
);
2013 bSetDOSExtendedError
= TRUE
;
2017 case 0x08: /* DISABLE DRIVE */
2018 TRACE(int21
,"DISABLE DRIVE %c:\n",(DL_reg(context
)+'A'));
2019 if (!DRIVE_Disable( DL_reg(context
) ))
2021 SetLastError( ERROR_INVALID_DRIVE
);
2022 bSetDOSExtendedError
= TRUE
;
2027 /* network software not installed */
2028 TRACE(int21
,"NETWORK function AX=%04x not implemented\n",AX_reg(context
));
2029 SetLastError( ER_NoNetwork
);
2030 bSetDOSExtendedError
= TRUE
;
2035 case 0x60: /* "TRUENAME" - CANONICALIZE FILENAME OR PATH */
2036 TRACE(int21
,"TRUENAME %s\n",
2037 (LPCSTR
)CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
),ESI_reg(context
)));
2039 if (!GetFullPathNameA( CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
),
2040 ESI_reg(context
)), 128,
2041 CTX_SEG_OFF_TO_LIN(context
, ES_reg(context
),
2042 EDI_reg(context
)),NULL
))
2043 bSetDOSExtendedError
= TRUE
;
2044 else AX_reg(context
) = 0;
2048 case 0x61: /* UNUSED */
2049 case 0x63: /* misc. language support */
2050 switch (AL_reg(context
)) {
2051 case 0x00: /* GET DOUBLE BYTE CHARACTER SET LEAD-BYTE TABLE */
2052 INT21_GetDBCSLeadTable(context
);
2056 case 0x64: /* OS/2 DOS BOX */
2057 INT_BARF( context
, 0x21 );
2061 case 0x65:{/* GET EXTENDED COUNTRY INFORMATION */
2062 extern WORD WINE_LanguageId
;
2063 BYTE
*dataptr
=CTX_SEG_OFF_TO_LIN(context
, ES_reg(context
),EDI_reg(context
));
2064 TRACE(int21
,"GET EXTENDED COUNTRY INFORMATION code page %d country %d\n",
2065 BX_reg(context
), DX_reg(context
));
2066 switch (AL_reg(context
)) {
2068 TRACE(int21
,"\tget general internationalization info\n");
2070 *(WORD
*)(dataptr
+1) = 41;
2071 *(WORD
*)(dataptr
+3) = WINE_LanguageId
;
2072 *(WORD
*)(dataptr
+5) = CodePage
;
2073 *(DWORD
*)(dataptr
+0x19) = 0; /* FIXME: ptr to case map routine */
2076 TRACE(int21
,"\tget pointer to collating sequence table\n");
2078 *(DWORD
*)(dataptr
+1) = MAKELONG(DOSMEM_CollateTable
& 0xFFFF,DOSMEM_AllocSelector(DOSMEM_CollateTable
>>16));
2079 CX_reg(context
) = 258;/*FIXME: size of table?*/
2082 TRACE(int21
,"\tunimplemented function %d\n",AL_reg(context
));
2083 INT_BARF( context
, 0x21 );
2089 case 0x66: /* GLOBAL CODE PAGE TABLE */
2090 switch (AL_reg(context
))
2093 TRACE(int21
,"GET GLOBAL CODE PAGE TABLE\n");
2094 DX_reg(context
) = BX_reg(context
) = CodePage
;
2095 RESET_CFLAG(context
);
2098 TRACE(int21
,"SET GLOBAL CODE PAGE TABLE active page %d system page %d\n",
2099 BX_reg(context
),DX_reg(context
));
2100 CodePage
= BX_reg(context
);
2101 RESET_CFLAG(context
);
2106 case 0x67: /* SET HANDLE COUNT */
2107 TRACE(int21
,"SET HANDLE COUNT to %d\n",BX_reg(context
) );
2108 SetHandleCount16( BX_reg(context
) );
2109 if (GetLastError()) bSetDOSExtendedError
= TRUE
;
2112 case 0x68: /* "FFLUSH" - COMMIT FILE */
2113 case 0x6a: /* COMMIT FILE */
2114 TRACE(int21
,"FFLUSH/COMMIT handle %d\n",BX_reg(context
));
2115 bSetDOSExtendedError
= (!FlushFileBuffers( FILE_GetHandle(BX_reg(context
)) ));
2118 case 0x69: /* DISK SERIAL NUMBER */
2119 switch (AL_reg(context
))
2122 TRACE(int21
,"GET DISK SERIAL NUMBER for drive %s\n",
2123 INT21_DriveName(BL_reg(context
)));
2124 if (!INT21_GetDiskSerialNumber(context
)) bSetDOSExtendedError
= TRUE
;
2125 else AX_reg(context
) = 0;
2129 TRACE(int21
,"SET DISK SERIAL NUMBER for drive %s\n",
2130 INT21_DriveName(BL_reg(context
)));
2131 if (!INT21_SetDiskSerialNumber(context
)) bSetDOSExtendedError
= TRUE
;
2132 else AX_reg(context
) = 1;
2137 case 0x6C: /* Extended Open/Create*/
2138 TRACE(int21
,"EXTENDED OPEN/CREATE %s\n",
2139 (LPCSTR
)CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
), EDI_reg(context
)));
2140 bSetDOSExtendedError
= INT21_ExtendedOpenCreateFile(context
);
2143 case 0x71: /* MS-DOS 7 (Windows95) - LONG FILENAME FUNCTIONS */
2144 if ((GetVersion()&0xC0000004)!=0xC0000004) {
2145 /* not supported on anything but Win95 */
2146 TRACE(int21
,"LONG FILENAME functions supported only by win95\n");
2148 AL_reg(context
) = 0;
2150 switch(AL_reg(context
))
2152 case 0x39: /* Create directory */
2153 TRACE(int21
,"LONG FILENAME - MAKE DIRECTORY %s\n",
2154 (LPCSTR
)CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
),EDX_reg(context
)));
2155 bSetDOSExtendedError
= (!CreateDirectoryA(
2156 CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
),
2157 EDX_reg(context
) ), NULL
));
2159 case 0x3a: /* Remove directory */
2160 TRACE(int21
,"LONG FILENAME - REMOVE DIRECTORY %s\n",
2161 (LPCSTR
)CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
),EDX_reg(context
)));
2162 bSetDOSExtendedError
= (!RemoveDirectoryA(
2163 CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
),
2164 EDX_reg(context
) )));
2166 case 0x43: /* Get/Set file attributes */
2167 TRACE(int21
,"LONG FILENAME -EXTENDED GET/SET FILE ATTRIBUTES %s\n",
2168 (LPCSTR
)CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
),EDX_reg(context
)));
2169 switch (BL_reg(context
))
2171 case 0x00: /* Get file attributes */
2172 TRACE(int21
,"\tretrieve attributes\n");
2173 CX_reg(context
) = (WORD
)GetFileAttributesA(
2174 CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
),
2176 if (CX_reg(context
) == 0xffff) bSetDOSExtendedError
= TRUE
;
2179 TRACE(int21
,"\tset attributes 0x%04x\n",CX_reg(context
));
2180 bSetDOSExtendedError
= (!SetFileAttributesA(
2181 CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
),
2183 CX_reg(context
) ) );
2186 FIXME(int21
, "Unimplemented long file name function:\n");
2187 INT_BARF( context
, 0x21 );
2189 AL_reg(context
) = 0;
2193 case 0x47: /* Get current directory */
2194 TRACE(int21
," LONG FILENAME - GET CURRENT DIRECTORY for drive %s\n",
2195 INT21_DriveName(DL_reg(context
)));
2196 bSetDOSExtendedError
= !INT21_GetCurrentDirectory(context
);
2199 case 0x4e: /* Find first file */
2200 TRACE(int21
," LONG FILENAME - FIND FIRST MATCHING FILE for %s\n",
2201 (LPCSTR
)CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
),EDX_reg(context
)));
2202 /* FIXME: use attributes in CX */
2203 if ((AX_reg(context
) = FindFirstFile16(
2204 CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
),EDX_reg(context
)),
2205 (WIN32_FIND_DATAA
*)CTX_SEG_OFF_TO_LIN(context
, ES_reg(context
),
2207 == INVALID_HANDLE_VALUE16
)
2208 bSetDOSExtendedError
= TRUE
;
2210 case 0x4f: /* Find next file */
2211 TRACE(int21
,"LONG FILENAME - FIND NEXT MATCHING FILE for handle %d\n",
2213 if (!FindNextFile16( BX_reg(context
),
2214 (WIN32_FIND_DATAA
*)CTX_SEG_OFF_TO_LIN(context
, ES_reg(context
),
2216 bSetDOSExtendedError
= TRUE
;
2218 case 0xa1: /* Find close */
2219 TRACE(int21
,"LONG FILENAME - FINDCLOSE for handle %d\n",
2221 bSetDOSExtendedError
= (!FindClose16( BX_reg(context
) ));
2224 TRACE(int21
,"LONG FILENAME - GET VOLUME INFORMATION for drive %s stub\n",
2225 (LPCSTR
)CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
),EDX_reg(context
)));
2228 switch(CL_reg(context
))
2230 case 0x01: /*Get short filename or path */
2231 if (!GetShortPathNameA
2232 ( CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
),
2234 CTX_SEG_OFF_TO_LIN(context
, ES_reg(context
),
2235 EDI_reg(context
)), 67))
2236 bSetDOSExtendedError
= TRUE
;
2237 else AX_reg(context
) = 0;
2239 case 0x02: /*Get canonical long filename or path */
2240 if (!GetFullPathNameA
2241 ( CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
),
2242 ESI_reg(context
)), 128,
2243 CTX_SEG_OFF_TO_LIN(context
, ES_reg(context
),
2244 EDI_reg(context
)),NULL
))
2245 bSetDOSExtendedError
= TRUE
;
2246 else AX_reg(context
) = 0;
2249 FIXME(int21
, "Unimplemented long file name function:\n");
2250 INT_BARF( context
, 0x21 );
2252 AL_reg(context
) = 0;
2256 case 0x6c: /* Create or open file */
2257 TRACE(int21
,"LONG FILENAME - CREATE OR OPEN FILE %s\n",
2258 (LPCSTR
)CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
), ESI_reg(context
)));
2259 /* translate Dos 7 action to Dos 6 action */
2260 bSetDOSExtendedError
= INT21_ExtendedOpenCreateFile(context
);
2263 case 0x3b: /* Change directory */
2264 TRACE(int21
,"LONG FILENAME - CHANGE DIRECTORY %s\n",
2265 (LPCSTR
)CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
), EDX_reg(context
)));
2266 if (!SetCurrentDirectoryA(CTX_SEG_OFF_TO_LIN(context
,
2272 AL_reg(context
) = GetLastError();
2275 case 0x41: /* Delete file */
2276 TRACE(int21
,"LONG FILENAME - DELETE FILE %s\n",
2277 (LPCSTR
)CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
), EDX_reg(context
)));
2278 if (!DeleteFileA(CTX_SEG_OFF_TO_LIN(context
,
2283 AL_reg(context
) = GetLastError();
2286 case 0x56: /* Move (rename) file */
2287 TRACE(int21
,"LONG FILENAME - RENAME FILE %s to %s stub\n",
2288 (LPCSTR
)CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
), EDX_reg(context
)),
2289 (LPCSTR
)CTX_SEG_OFF_TO_LIN(context
, ES_reg(context
), EDI_reg(context
)));
2291 FIXME(int21
, "Unimplemented long file name function:\n");
2292 INT_BARF( context
, 0x21 );
2294 AL_reg(context
) = 0;
2299 case 0x70: /* MS-DOS 7 (Windows95) - ??? (country-specific?)*/
2300 case 0x72: /* MS-DOS 7 (Windows95) - ??? */
2301 case 0x73: /* MS-DOS 7 (Windows95) - DRIVE LOCKING ??? */
2302 TRACE(int21
,"windows95 function AX %04x\n",
2304 WARN(int21
, " returning unimplemented\n");
2306 AL_reg(context
) = 0;
2309 case 0xdc: /* CONNECTION SERVICES - GET CONNECTION NUMBER */
2310 case 0xea: /* NOVELL NETWARE - RETURN SHELL VERSION */
2314 INT_BARF( context
, 0x21 );
2317 } /* END OF SWITCH */
2319 if( bSetDOSExtendedError
) /* set general error condition */
2321 AX_reg(context
) = GetLastError();
2325 if ((EFL_reg(context
) & 0x0001))
2326 TRACE(int21
, "failed, error 0x%04lx\n", GetLastError() );
2328 TRACE(int21
, "returning: AX=%04x BX=%04x CX=%04x DX=%04x "
2329 "SI=%04x DI=%04x DS=%04x ES=%04x EFL=%08lx\n",
2330 AX_reg(context
), BX_reg(context
), CX_reg(context
),
2331 DX_reg(context
), SI_reg(context
), DI_reg(context
),
2332 (WORD
)DS_reg(context
), (WORD
)ES_reg(context
),
2336 FARPROC16 WINAPI
GetSetKernelDOSProc16(FARPROC16 DosProc
)
2338 FIXME(int21
, "(DosProc=0x%08x): stub\n", (UINT
)DosProc
);