2 * DOS interrupt 21h handler
13 #include <sys/types.h>
27 #if defined(__svr4__) || defined(_SCO_DS)
28 /* SVR4 DOESNT do locking the same way must implement properly */
35 #define DOS_GET_DRIVE(reg) ((reg) ? (reg) - 1 : DRIVE_GetCurrentDrive())
37 /* Define the drive parameter block, as used by int21/1F
38 * and int21/32. This table can be accessed through the
39 * global 'dpb' pointer, which points into the local dos
44 BYTE drive_num
; /* 0=A, etc. */
45 BYTE unit_num
; /* Drive's unit number (?) */
46 WORD sector_size
; /* Sector size in bytes */
47 BYTE high_sector
; /* Highest sector in a cluster */
48 BYTE shift
; /* Shift count (?) */
49 WORD reserved
; /* Number of reserved sectors at start */
50 BYTE num_FAT
; /* Number of FATs */
51 WORD dir_entries
; /* Number of root dir entries */
52 WORD first_data
; /* First data sector */
53 WORD high_cluster
; /* Highest cluster number */
54 WORD sectors_in_FAT
; /* Number of sectors per FAT */
55 WORD start_dir
; /* Starting sector of first dir */
56 DWORD driver_head
; /* Address of device driver header (?) */
57 BYTE media_ID
; /* Media ID */
58 BYTE access_flag
; /* Prev. accessed flag (0=yes,0xFF=no) */
59 DWORD next
; /* Pointer to next DPB in list */
60 WORD free_search
; /* Free cluster search start */
61 WORD free_clusters
; /* Number of free clusters (0xFFFF=unknown) */
73 static struct DosHeap
*heap
;
74 static WORD DosHeapHandle
;
76 WORD sharing_retries
= 3; /* number of retries at sharing violation */
77 WORD sharing_pause
= 1; /* pause between retries */
79 extern char TempDirectory
[];
81 static BOOL32
INT21_CreateHeap(void)
83 if (!(DosHeapHandle
= GlobalAlloc16(GMEM_FIXED
,sizeof(struct DosHeap
))))
85 WARN(int21
, "Out of memory\n");
88 heap
= (struct DosHeap
*) GlobalLock16(DosHeapHandle
);
89 dpbsegptr
= PTR_SEG_OFF_TO_SEGPTR(DosHeapHandle
,(int)&heap
->dpb
-(int)heap
);
91 strcpy(heap
->biosdate
, "01/01/80");
95 static BYTE
*GetCurrentDTA( CONTEXT
*context
)
97 TDB
*pTask
= (TDB
*)GlobalLock16( GetCurrentTask() );
99 /* FIXME: This assumes DTA was set correctly! */
100 return (BYTE
*)CTX_SEG_OFF_TO_LIN( context
, SELECTOROF(pTask
->dta
),
101 OFFSETOF(pTask
->dta
) );
105 void CreateBPB(int drive
, BYTE
*data
, BOOL16 limited
)
106 /* limited == TRUE is used with INT 0x21/0x440d */
111 setword(&data
[3], 0);
113 setword(&data
[6], 240);
114 setword(&data
[8], 64000);
116 setword(&data
[0x0b], 40);
117 setword(&data
[0x0d], 56);
118 setword(&data
[0x0f], 2);
119 setword(&data
[0x11], 0);
121 setword(&data
[0x1f], 800);
123 setword(&data
[0x22], 1);
125 } else { /* 1.44mb */
128 setword(&data
[3], 0);
130 setword(&data
[6], 240);
131 setword(&data
[8], 2880);
133 setword(&data
[0x0b], 6);
134 setword(&data
[0x0d], 18);
135 setword(&data
[0x0f], 2);
136 setword(&data
[0x11], 0);
138 setword(&data
[0x1f], 80);
140 setword(&data
[0x22], 2);
145 static int INT21_GetFreeDiskSpace( CONTEXT
*context
)
147 DWORD cluster_sectors
, sector_bytes
, free_clusters
, total_clusters
;
148 char root
[] = "A:\\";
150 *root
+= DOS_GET_DRIVE( DL_reg(context
) );
151 if (!GetDiskFreeSpace32A( root
, &cluster_sectors
, §or_bytes
,
152 &free_clusters
, &total_clusters
)) return 0;
153 AX_reg(context
) = cluster_sectors
;
154 BX_reg(context
) = free_clusters
;
155 CX_reg(context
) = sector_bytes
;
156 DX_reg(context
) = total_clusters
;
160 static int INT21_GetDriveAllocInfo( CONTEXT
*context
)
162 if (!INT21_GetFreeDiskSpace( context
)) return 0;
163 if (!heap
&& !INT21_CreateHeap()) return 0;
164 heap
->mediaID
= 0xf0;
165 DS_reg(context
) = DosHeapHandle
;
166 BX_reg(context
) = (int)&heap
->mediaID
- (int)heap
;
170 static void GetDrivePB( CONTEXT
*context
, int drive
)
172 if(!DRIVE_IsValid(drive
))
174 DOS_ERROR( ER_InvalidDrive
, EC_MediaError
, SA_Abort
, EL_Disk
);
175 AX_reg(context
) = 0x00ff;
177 else if (heap
|| INT21_CreateHeap())
179 FIXME(int21
, "GetDrivePB not fully implemented.\n");
181 /* FIXME: I have no idea what a lot of this information should
182 * say or whether it even really matters since we're not allowing
183 * direct block access. However, some programs seem to depend on
184 * getting at least _something_ back from here. The 'next' pointer
185 * does worry me, though. Should we have a complete table of
186 * separate DPBs per drive? Probably, but I'm lazy. :-) -CH
188 heap
->dpb
.drive_num
= heap
->dpb
.unit_num
= drive
; /*The same?*/
189 heap
->dpb
.sector_size
= 512;
190 heap
->dpb
.high_sector
= 1;
191 heap
->dpb
.shift
= drive
< 2 ? 0 : 6; /*6 for HD, 0 for floppy*/
192 heap
->dpb
.reserved
= 0;
193 heap
->dpb
.num_FAT
= 1;
194 heap
->dpb
.dir_entries
= 2;
195 heap
->dpb
.first_data
= 2;
196 heap
->dpb
.high_cluster
= 64000;
197 heap
->dpb
.sectors_in_FAT
= 1;
198 heap
->dpb
.start_dir
= 1;
199 heap
->dpb
.driver_head
= 0;
200 heap
->dpb
.media_ID
= (drive
> 1) ? 0xF8 : 0xF0;
201 heap
->dpb
.access_flag
= 0;
203 heap
->dpb
.free_search
= 0;
204 heap
->dpb
.free_clusters
= 0xFFFF; /* unknown */
206 AL_reg(context
) = 0x00;
207 DS_reg(context
) = SELECTOROF(dpbsegptr
);
208 BX_reg(context
) = OFFSETOF(dpbsegptr
);
213 static void ioctlGetDeviceInfo( CONTEXT
*context
)
218 TRACE(int21
, "(%d)\n", BX_reg(context
));
220 RESET_CFLAG(context
);
223 if ((file
= FILE_GetFile( HFILE16_TO_HFILE32(BX_reg(context
)) )))
225 const DOS_DEVICE
*dev
= DOSFS_GetDevice( file
->unix_name
);
226 FILE_ReleaseFile( file
);
229 DX_reg(context
) = dev
->flags
;
234 /* it seems to be a file */
235 curr_drive
= DRIVE_GetCurrentDrive();
236 DX_reg(context
) = 0x0140 + curr_drive
+ ((curr_drive
> 1) ? 0x0800 : 0);
238 /* bits 0-5 are current drive
239 * bit 6 - file has NOT been written..FIXME: correct?
240 * bit 8 - generate int24 if no diskspace on write/ read past end of file
241 * bit 11 - media not removable
242 * bit 14 - don't set file date/time on closing
243 * bit 15 - file is remote
247 static BOOL32
ioctlGenericBlkDevReq( CONTEXT
*context
)
249 BYTE
*dataptr
= CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
), DX_reg(context
));
250 int drive
= DOS_GET_DRIVE( BL_reg(context
) );
252 if (!DRIVE_IsValid(drive
))
254 DOS_ERROR( ER_FileNotFound
, EC_NotFound
, SA_Abort
, EL_Disk
);
258 if (CH_reg(context
) != 0x08)
260 INT_BARF( context
, 0x21 );
264 switch (CL_reg(context
))
266 case 0x4a: /* lock logical volume */
267 TRACE(int21
,"lock logical volume (%d) level %d mode %d\n",drive
,BH_reg(context
),DX_reg(context
));
270 case 0x60: /* get device parameters */
271 /* used by w4wgrp's winfile */
272 memset(dataptr
, 0, 0x20); /* DOS 6.22 uses 0x20 bytes */
274 dataptr
[6] = 0; /* media type */
277 dataptr
[1] = 0x05; /* fixed disk */
278 setword(&dataptr
[2], 0x01); /* non removable */
279 setword(&dataptr
[4], 0x300); /* # of cylinders */
283 dataptr
[1] = 0x07; /* block dev, floppy */
284 setword(&dataptr
[2], 0x02); /* removable */
285 setword(&dataptr
[4], 80); /* # of cylinders */
287 CreateBPB(drive
, &dataptr
[7], TRUE
);
288 RESET_CFLAG(context
);
291 case 0x66:/* get disk serial number */
293 char label
[12],fsname
[9],path
[4];
296 strcpy(path
,"x:\\");path
[0]=drive
+'A';
297 GetVolumeInformation32A(
298 path
,label
,12,&serial
,NULL
,NULL
,fsname
,9
301 memcpy(dataptr
+2,&serial
,4);
302 memcpy(dataptr
+6,label
,11);
303 memcpy(dataptr
+17,fsname
,8);
308 TRACE(int21
,"logical volume %d unlocked.\n",drive
);
312 memset(dataptr
+1, '\0', dataptr
[0]-1);
313 dataptr
[1] = dataptr
[0];
314 dataptr
[2] = 0x07; /* protected mode driver; no eject; no notification */
315 dataptr
[3] = 0xFF; /* no physical drive */
319 INT_BARF( context
, 0x21 );
324 static void INT21_GetSystemDate( CONTEXT
*context
)
327 GetLocalTime( &systime
);
328 CX_reg(context
) = systime
.wYear
;
329 DX_reg(context
) = (systime
.wMonth
<< 8) | systime
.wDay
;
330 AX_reg(context
) = systime
.wDayOfWeek
;
333 static void INT21_GetSystemTime( CONTEXT
*context
)
336 GetLocalTime( &systime
);
337 CX_reg(context
) = (systime
.wHour
<< 8) | systime
.wMinute
;
338 DX_reg(context
) = (systime
.wSecond
<< 8) | (systime
.wMilliseconds
/ 10);
341 /* Many calls translate a drive argument like this:
342 drive number (00h = default, 01h = A:, etc)
344 static char drivestring
[]="default";
346 char *INT21_DriveName(int drive
)
351 drivestring
[0]= (unsigned char)drive
+ '@';
357 static BOOL32
INT21_CreateFile( CONTEXT
*context
)
359 AX_reg(context
) = _lcreat16( CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
),
360 DX_reg(context
) ), CX_reg(context
) );
361 return (AX_reg(context
) == (WORD
)HFILE_ERROR16
);
365 static void OpenExistingFile( CONTEXT
*context
)
367 AX_reg(context
) = _lopen16( CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
),DX_reg(context
)),
369 if (AX_reg(context
) == (WORD
)HFILE_ERROR16
)
371 AX_reg(context
) = DOS_ExtendedError
;
380 switch (AX_reg(context
) & 0x0070)
382 case 0x00: /* compatability mode */
383 case 0x40: /* DENYNONE */
387 case 0x30: /* DENYREAD */
388 TRACE(int21
, "(%s): DENYREAD changed to DENYALL\n",
389 (char *)CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
),DX_reg(context
)));
390 case 0x10: /* DENYALL */
394 case 0x20: /* DENYWRITE */
405 int result
,retries
=sharing_retries
;
407 #if defined(__svr4__) || defined(_SCO_DS)
408 ERR(int21
, "Should call flock and needs porting to lockf\n");
412 result
= flock(handle
, lock
| LOCK_NB
);
414 if ( retries
&& (!result
) )
417 for(i
=0;i
<32768*((int)sharing_pause
);i
++)
418 result
++; /* stop the optimizer */
419 for(i
=0;i
<32768*((int)sharing_pause
);i
++)
423 while( (!result
) && (!(retries
--)) );
428 AX_reg(context
) = DOS_ExtendedError
;
437 AX_reg(context
) = handle
;
438 RESET_CFLAG(context
);
443 static void CloseFile( CONTEXT
*context
)
445 if ((AX_reg(context
) = _lclose16( BX_reg(context
) )) != 0)
447 AX_reg(context
) = DOS_ExtendedError
;
452 static BOOL32
INT21_ExtendedOpenCreateFile(CONTEXT
*context
)
454 BOOL32 bExtendedError
= FALSE
;
455 BYTE action
= DL_reg(context
);
457 /* Shuffle arguments to call OpenExistingFile */
458 AL_reg(context
) = BL_reg(context
);
459 DX_reg(context
) = SI_reg(context
);
460 /* BX,CX and DX should be preserved */
461 OpenExistingFile(context
);
463 if ((EFL_reg(context
) & 0x0001) == 0) /* File exists */
465 UINT16 uReturnCX
= 0;
467 /* Now decide what do do */
469 if ((action
& 0x07) == 0)
471 BX_reg(context
) = AX_reg(context
);
473 AX_reg(context
) = 0x0050; /*File exists*/
475 WARN(int21
, "extended open/create: failed because file exists \n");
477 else if ((action
& 0x07) == 2)
479 /* Truncate it, but first check if opened for write */
480 if ((BL_reg(context
) & 0x0007)== 0)
482 BX_reg(context
) = AX_reg(context
);
484 WARN(int21
, "extended open/create: failed, trunc on ro file\n");
485 AX_reg(context
) = 0x000C; /*Access code invalid*/
490 /* Shuffle arguments to call CloseFile while
491 * preserving BX and DX */
493 TRACE(int21
, "extended open/create: Closing before truncate\n");
494 BX_reg(context
) = AX_reg(context
);
496 if (EFL_reg(context
) & 0x0001)
498 WARN(int21
, "extended open/create: close before trunc failed\n");
499 AX_reg(context
) = 0x0019; /*Seek Error*/
503 /* Shuffle arguments to call CreateFile */
505 TRACE(int21
, "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
);
511 if (EFL_reg(context
) & 0x0001) /*no file open, flags set */
513 WARN(int21
, "extended open/create: trunc failed\n");
514 return bExtendedError
;
519 else uReturnCX
= 0x1;
521 CX_reg(context
) = uReturnCX
;
523 else /* file does not exist */
525 RESET_CFLAG(context
); /* was set by OpenExistingFile(context) */
526 if ((action
& 0xF0)== 0)
530 WARN(int21
, "extended open/create: failed, file dosen't exist\n");
534 /* Shuffle arguments to call CreateFile */
535 TRACE(int21
, "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 */
542 WARN(int21
, "extended open/create: create failed\n");
543 return bExtendedError
;
549 return bExtendedError
;
553 static BOOL32
INT21_ChangeDir( CONTEXT
*context
)
556 char *dirname
= CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
),DX_reg(context
));
558 TRACE(int21
,"changedir %s\n", dirname
);
559 if (dirname
[0] && (dirname
[1] == ':'))
561 drive
= toupper(dirname
[0]) - 'A';
564 else drive
= DRIVE_GetCurrentDrive();
565 return DRIVE_Chdir( drive
, dirname
);
569 static int INT21_FindFirst( CONTEXT
*context
)
573 DOS_FULL_NAME full_name
;
574 FINDFILE_DTA
*dta
= (FINDFILE_DTA
*)GetCurrentDTA(context
);
576 path
= (const char *)CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
), DX_reg(context
));
577 dta
->unixPath
= NULL
;
578 if (!DOSFS_GetFullName( path
, FALSE
, &full_name
))
580 AX_reg(context
) = DOS_ExtendedError
;
584 dta
->unixPath
= HEAP_strdupA( GetProcessHeap(), 0, full_name
.long_name
);
585 p
= strrchr( dta
->unixPath
, '/' );
588 /* Note: terminating NULL in dta->mask overwrites dta->search_attr
589 * (doesn't matter as it is set below anyway)
591 if (!DOSFS_ToDosFCBFormat( p
+ 1, dta
->mask
))
593 HeapFree( GetProcessHeap(), 0, dta
->unixPath
);
594 dta
->unixPath
= NULL
;
595 DOS_ERROR( ER_FileNotFound
, EC_NotFound
, SA_Abort
, EL_Disk
);
596 AX_reg(context
) = ER_FileNotFound
;
600 dta
->drive
= (path
[0] && (path
[1] == ':')) ? toupper(path
[0]) - 'A'
601 : DRIVE_GetCurrentDrive();
603 dta
->search_attr
= CL_reg(context
);
608 static int INT21_FindNext( CONTEXT
*context
)
610 FINDFILE_DTA
*dta
= (FINDFILE_DTA
*)GetCurrentDTA(context
);
611 WIN32_FIND_DATA32A entry
;
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
)))
618 HeapFree( GetProcessHeap(), 0, dta
->unixPath
);
619 dta
->unixPath
= NULL
;
622 if ((int)dta
->count
+ count
> 0xffff)
624 WARN(int21
, "Too many directory entries in %s\n", dta
->unixPath
);
625 HeapFree( GetProcessHeap(), 0, dta
->unixPath
);
626 dta
->unixPath
= NULL
;
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
;
646 static BOOL32
INT21_CreateTempFile( CONTEXT
*context
)
648 static int counter
= 0;
649 char *name
= CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
), DX_reg(context
) );
650 char *p
= name
+ strlen(name
);
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
++ = '\\';
658 sprintf( p
, "wine%04x.%03d", (int)getpid(), counter
);
659 counter
= (counter
+ 1) % 1000;
661 if ((AX_reg(context
) = HFILE32_TO_HFILE16(_lcreat_uniq( name
, 0 ))) != (WORD
)HFILE_ERROR16
)
663 TRACE(int21
, "created %s\n", name
);
666 if (DOS_ExtendedError
!= ER_FileExists
) return FALSE
;
671 static BOOL32
INT21_GetCurrentDirectory( CONTEXT
*context
)
673 int drive
= DOS_GET_DRIVE( DL_reg(context
) );
674 char *ptr
= (char *)CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
), SI_reg(context
) );
676 if (!DRIVE_IsValid(drive
))
678 DOS_ERROR( ER_InvalidDrive
, EC_NotFound
, SA_Abort
, EL_Disk
);
681 lstrcpyn32A( ptr
, DRIVE_GetDosCwd(drive
), 64 );
682 AX_reg(context
) = 0x0100; /* success return code */
687 static int INT21_GetDiskSerialNumber( CONTEXT
*context
)
689 BYTE
*dataptr
= CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
), DX_reg(context
));
690 int drive
= DOS_GET_DRIVE( BL_reg(context
) );
692 if (!DRIVE_IsValid(drive
))
694 DOS_ERROR( ER_InvalidDrive
, EC_NotFound
, SA_Abort
, EL_Disk
);
698 *(WORD
*)dataptr
= 0;
699 *(DWORD
*)(dataptr
+ 2) = DRIVE_GetSerialNumber( drive
);
700 memcpy( dataptr
+ 6, DRIVE_GetLabel( drive
), 11 );
701 strncpy(dataptr
+ 0x11, "FAT16 ", 8);
706 static int INT21_SetDiskSerialNumber( CONTEXT
*context
)
708 BYTE
*dataptr
= CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
), DX_reg(context
));
709 int drive
= DOS_GET_DRIVE( BL_reg(context
) );
711 if (!DRIVE_IsValid(drive
))
713 DOS_ERROR( ER_InvalidDrive
, EC_NotFound
, SA_Abort
, EL_Disk
);
717 DRIVE_SetSerialNumber( drive
, *(DWORD
*)(dataptr
+ 2) );
722 /* microsoft's programmers should be shot for using CP/M style int21
723 calls in Windows for Workgroup's winfile.exe */
725 static int INT21_FindFirstFCB( CONTEXT
*context
)
727 BYTE
*fcb
= (BYTE
*)CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
), DX_reg(context
));
732 if (*fcb
== 0xff) pFCB
= (FINDFILE_FCB
*)(fcb
+ 7);
733 else pFCB
= (FINDFILE_FCB
*)fcb
;
734 drive
= DOS_GET_DRIVE( pFCB
->drive
);
735 if (!DRIVE_IsValid( drive
)) return 0;
736 root
= DRIVE_GetRoot( drive
);
737 cwd
= DRIVE_GetUnixCwd( drive
);
738 pFCB
->unixPath
= HeapAlloc( GetProcessHeap(), 0,
739 strlen(root
)+strlen(cwd
)+2 );
740 if (!pFCB
->unixPath
) return 0;
741 strcpy( pFCB
->unixPath
, root
);
742 strcat( pFCB
->unixPath
, "/" );
743 strcat( pFCB
->unixPath
, cwd
);
749 static int INT21_FindNextFCB( CONTEXT
*context
)
751 BYTE
*fcb
= (BYTE
*)CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
), DX_reg(context
));
753 DOS_DIRENTRY_LAYOUT
*pResult
= (DOS_DIRENTRY_LAYOUT
*)GetCurrentDTA(context
);
754 WIN32_FIND_DATA32A entry
;
758 if (*fcb
== 0xff) /* extended FCB ? */
761 pFCB
= (FINDFILE_FCB
*)(fcb
+ 7);
766 pFCB
= (FINDFILE_FCB
*)fcb
;
769 if (!pFCB
->unixPath
) return 0;
770 if (!(count
= DOSFS_FindNext( pFCB
->unixPath
, pFCB
->filename
, NULL
,
771 DOS_GET_DRIVE( pFCB
->drive
), attr
,
772 pFCB
->count
, &entry
)))
774 HeapFree( GetProcessHeap(), 0, pFCB
->unixPath
);
775 pFCB
->unixPath
= NULL
;
778 pFCB
->count
+= count
;
780 if (*fcb
== 0xff) { /* place extended FCB header before pResult if called with extended FCB */
781 *(BYTE
*)pResult
= 0xff;
782 (BYTE
*)pResult
+=6; /* leave reserved field behind */
783 *(BYTE
*)pResult
= entry
.dwFileAttributes
;
786 *(BYTE
*)pResult
= DOS_GET_DRIVE( pFCB
->drive
); /* DOS_DIRENTRY_LAYOUT after current drive number */
788 pResult
->fileattr
= entry
.dwFileAttributes
;
789 pResult
->cluster
= 0; /* what else? */
790 pResult
->filesize
= entry
.nFileSizeLow
;
791 memset( pResult
->reserved
, 0, sizeof(pResult
->reserved
) );
792 FileTimeToDosDateTime( &entry
.ftLastWriteTime
,
793 &pResult
->filedate
, &pResult
->filetime
);
795 /* Convert file name to FCB format */
797 memset( pResult
->filename
, ' ', sizeof(pResult
->filename
) );
798 if (!strcmp( entry
.cAlternateFileName
, "." )) pResult
->filename
[0] = '.';
799 else if (!strcmp( entry
.cAlternateFileName
, ".." ))
800 pResult
->filename
[0] = pResult
->filename
[1] = '.';
803 char *p
= strrchr( entry
.cAlternateFileName
, '.' );
804 if (p
&& p
[1] && (p
!= entry
.cAlternateFileName
))
806 memcpy( pResult
->filename
, entry
.cAlternateFileName
,
807 MIN( (p
- entry
.cAlternateFileName
), 8 ) );
808 memcpy( pResult
->filename
+ 8, p
+ 1, MIN( strlen(p
), 3 ) );
811 memcpy( pResult
->filename
, entry
.cAlternateFileName
,
812 MIN( strlen(entry
.cAlternateFileName
), 8 ) );
818 static void DeleteFileFCB( CONTEXT
*context
)
820 FIXME(int21
, "(%p): not implemented yet\n", context
);
823 static void RenameFileFCB( CONTEXT
*context
)
825 FIXME(int21
, "(%p): not implemented yet\n", context
);
830 static void fLock( CONTEXT
* context
)
833 switch ( AX_reg(context
) & 0xff )
835 case 0x00: /* LOCK */
836 TRACE(int21
,"lock handle %d offset %ld length %ld\n",
838 MAKELONG(DX_reg(context
),CX_reg(context
)),
839 MAKELONG(DI_reg(context
),SI_reg(context
))) ;
840 if (!LockFile(HFILE16_TO_HFILE32(BX_reg(context
)),
841 MAKELONG(DX_reg(context
),CX_reg(context
)), 0,
842 MAKELONG(DI_reg(context
),SI_reg(context
)), 0)) {
843 AX_reg(context
) = DOS_ExtendedError
;
848 case 0x01: /* UNLOCK */
849 TRACE(int21
,"unlock handle %d offset %ld length %ld\n",
851 MAKELONG(DX_reg(context
),CX_reg(context
)),
852 MAKELONG(DI_reg(context
),SI_reg(context
))) ;
853 if (!UnlockFile(HFILE16_TO_HFILE32(BX_reg(context
)),
854 MAKELONG(DX_reg(context
),CX_reg(context
)), 0,
855 MAKELONG(DI_reg(context
),SI_reg(context
)), 0)) {
856 AX_reg(context
) = DOS_ExtendedError
;
861 AX_reg(context
) = 0x0001;
868 INT21_networkfunc (CONTEXT
*context
)
870 switch (AL_reg(context
)) {
871 case 0x00: /* Get machine name. */
873 char *dst
= CTX_SEG_OFF_TO_LIN (context
,DS_reg(context
),DX_reg(context
));
874 TRACE(int21
, "getting machine name to %p\n", dst
);
875 if (gethostname (dst
, 15))
877 WARN(int21
,"failed!\n");
878 DOS_ERROR( ER_NoNetwork
, EC_NotFound
, SA_Abort
, EL_Network
);
881 int len
= strlen (dst
);
885 CH_reg(context
) = 1; /* Valid */
886 CL_reg(context
) = 1; /* NETbios number??? */
887 TRACE(int21
, "returning %s\n", debugstr_an (dst
, 16));
893 DOS_ERROR( ER_NoNetwork
, EC_NotFound
, SA_Abort
, EL_Network
);
898 static void INT21_SetCurrentPSP(CONTEXT
*context
)
900 /* FIXME - What is this MZ stuff and what if it isn't supported?? */
902 TDB
*pTask
= hModule
? NULL
: (TDB
*)GlobalLock16( GetCurrentTask() );
903 NE_MODULE
*pModule
= (hModule
|| pTask
) ? NE_GetPtr( hModule
? hModule
: pTask
->hModule
) : NULL
;
905 GlobalUnlock16( GetCurrentTask() );
906 if (pModule
->lpDosTask
)
907 pModule
->lpDosTask
->psp_seg
= BX_reg(context
);
909 FIXME(int21
, "MZ Not Supported.\n");
913 static WORD
INT21_GetCurrentPSP()
916 TDB
*pTask
= hModule
? NULL
: (TDB
*)GlobalLock16( GetCurrentTask() );
917 NE_MODULE
*pModule
= (hModule
|| pTask
) ? NE_GetPtr( hModule
? hModule
: pTask
->hModule
) : NULL
;
919 GlobalUnlock16( GetCurrentTask() );
920 if (pModule
->lpDosTask
)
921 return pModule
->lpDosTask
->psp_seg
;
924 return GetCurrentPDB();
928 SEGPTR
INT21_GetListOfLists()
930 static DOS_LISTOFLISTS
*LOL
;
931 static SEGPTR seg_LOL
;
936 0133:0020 6A 13-33 01 CC 00 33 01 59 00 j.3...3.Y.
937 0133:0030 70 00 00 00 72 02 00 02-6D 00 33 01 00 00 2E 05 p...r...m.3.....
938 0133:0040 00 00 FC 04 00 00 03 08-92 21 11 E0 04 80 C6 0D .........!......
939 0133:0050 CC 0D 4E 55 4C 20 20 20-20 20 00 00 00 00 00 00 ..NUL ......
940 0133:0060 00 4B BA C1 06 14 00 00-00 03 01 00 04 70 CE FF .K...........p..
941 0133:0070 FF 00 00 00 00 00 00 00-00 01 00 00 0D 05 00 00 ................
942 0133:0080 00 FF FF 00 00 00 00 FE-00 00 F8 03 FF 9F 70 02 ..............p.
943 0133:0090 D0 44 C8 FD D4 44 C8 FD-D4 44 C8 FD D0 44 C8 FD .D...D...D...D..
944 0133:00A0 D0 44 C8 FD D0 44 .D...D
947 LOL
= SEGPTR_ALLOC(sizeof(DOS_LISTOFLISTS
));
949 LOL
->CX_Int21_5e01
= 0x0;
950 LOL
->LRU_count_FCB_cache
= 0x0;
951 LOL
->LRU_count_FCB_open
= 0x0;
952 LOL
->OEM_func_handler
= -1; /* not available */
953 LOL
->INT21_offset
= 0x0;
954 LOL
->sharing_retry_count
= sharing_retries
; /* default value: 3 */
955 LOL
->sharing_retry_delay
= sharing_pause
; /* default value: 1 */
956 LOL
->ptr_disk_buf
= 0x0;
957 LOL
->offs_unread_CON
= 0x0;
958 LOL
->seg_first_MCB
= 0x0;
959 LOL
->ptr_first_DPB
= 0x0;
960 LOL
->ptr_first_SysFileTable
= 0x0;
961 LOL
->ptr_clock_dev_hdr
= 0x0;
962 LOL
->ptr_CON_dev_hdr
= 0x0;
963 LOL
->max_byte_per_sec
= 512;
964 LOL
->ptr_disk_buf_info
= 0x0;
965 LOL
->ptr_array_CDS
= 0x0;
966 LOL
->ptr_sys_FCB
= 0x0;
967 LOL
->nr_protect_FCB
= 0x0;
968 LOL
->nr_block_dev
= 0x0;
969 LOL
->nr_avail_drive_letters
= 26; /* A - Z */
970 LOL
->nr_drives_JOINed
= 0x0;
971 LOL
->ptr_spec_prg_names
= 0x0;
972 LOL
->ptr_SETVER_prg_list
= 0x0; /* no SETVER list */
973 LOL
->DOS_HIGH_A20_func_offs
= 0x0;
974 LOL
->PSP_last_exec
= 0x0;
975 LOL
->BUFFERS_val
= 99; /* maximum: 99 */
976 LOL
->BUFFERS_nr_lookahead
= 8; /* maximum: 8 */
977 LOL
->boot_drive
= 3; /* C: */
978 LOL
->flag_DWORD_moves
= 0x01; /* i386+ */
979 LOL
->size_extended_mem
= 0xf000; /* very high value */
981 if (!seg_LOL
) seg_LOL
= SEGPTR_GET(LOL
);
982 return seg_LOL
+(WORD
)&((DOS_LISTOFLISTS
*)0)->ptr_first_DPB
;
985 /***********************************************************************
986 * DOS3Call (KERNEL.102)
988 void WINAPI
DOS3Call( CONTEXT
*context
)
990 BOOL32 bSetDOSExtendedError
= FALSE
;
993 TRACE(int21
, "AX=%04x BX=%04x CX=%04x DX=%04x "
994 "SI=%04x DI=%04x DS=%04x ES=%04x EFL=%08lx\n",
995 AX_reg(context
), BX_reg(context
), CX_reg(context
), DX_reg(context
),
996 SI_reg(context
), DI_reg(context
),
997 (WORD
)DS_reg(context
), (WORD
)ES_reg(context
),
1001 if (AH_reg(context
) == 0x59) /* Get extended error info */
1003 TRACE(int21
, "GET EXTENDED ERROR code 0x%02x class 0x%02x action 0x%02x locus %02x\n",
1004 DOS_ExtendedError
, DOS_ErrorClass
, DOS_ErrorAction
, DOS_ErrorLocus
);
1005 AX_reg(context
) = DOS_ExtendedError
;
1006 BH_reg(context
) = DOS_ErrorClass
;
1007 BL_reg(context
) = DOS_ErrorAction
;
1008 CH_reg(context
) = DOS_ErrorLocus
;
1012 if (AH_reg(context
) == 0x0C) /* Flush buffer and read standard input */
1014 TRACE(int21
, "FLUSH BUFFER AND READ STANDARD INPUT\n");
1015 /* no flush here yet */
1016 AH_reg(context
) = AL_reg(context
);
1019 DOS_ERROR( 0, 0, 0, 0 );
1020 RESET_CFLAG(context
); /* Not sure if this is a good idea */
1022 switch(AH_reg(context
))
1024 case 0x00: /* TERMINATE PROGRAM */
1025 TRACE(int21
,"TERMINATE PROGRAM\n");
1029 case 0x01: /* READ CHARACTER FROM STANDARD INPUT, WITH ECHO */
1030 case 0x03: /* READ CHARACTER FROM STDAUX */
1031 case 0x04: /* WRITE CHARACTER TO STDAUX */
1032 case 0x05: /* WRITE CHARACTER TO PRINTER */
1033 case 0x0b: /* GET STDIN STATUS */
1034 case 0x0f: /* OPEN FILE USING FCB */
1035 case 0x10: /* CLOSE FILE USING FCB */
1036 case 0x14: /* SEQUENTIAL READ FROM FCB FILE */
1037 case 0x15: /* SEQUENTIAL WRITE TO FCB FILE */
1038 case 0x16: /* CREATE OR TRUNCATE FILE USING FCB */
1039 case 0x21: /* READ RANDOM RECORD FROM FCB FILE */
1040 case 0x22: /* WRITE RANDOM RECORD TO FCB FILE */
1041 case 0x23: /* GET FILE SIZE FOR FCB */
1042 case 0x24: /* SET RANDOM RECORD NUMBER FOR FCB */
1043 case 0x26: /* CREATE NEW PROGRAM SEGMENT PREFIX */
1044 case 0x27: /* RANDOM BLOCK READ FROM FCB FILE */
1045 case 0x28: /* RANDOM BLOCK WRITE TO FCB FILE */
1046 case 0x29: /* PARSE FILENAME INTO FCB */
1047 case 0x54: /* GET VERIFY FLAG */
1048 INT_BARF( context
, 0x21 );
1051 case 0x02: /* WRITE CHARACTER TO STANDARD OUTPUT */
1052 case 0x06: /* DIRECT CONSOLE IN/OUTPUT */
1053 _lwrite16( 1, &DL_reg(context
), 1);
1056 case 0x07: /* DIRECT CHARACTER INPUT WITHOUT ECHO */
1057 TRACE(int21
,"DIRECT CHARACTER INPUT WITHOUT ECHO\n");
1058 _lread16( 0, &AL_reg(context
), 1);
1061 case 0x08: /* CHARACTER INPUT WITHOUT ECHO */
1062 TRACE(int21
,"CHARACTER INPUT WITHOUT ECHO\n");
1063 _lread16( 0, &AL_reg(context
), 1);
1066 case 0x09: /* WRITE STRING TO STANDARD OUTPUT */
1067 TRACE(int21
,"WRITE '$'-terminated string from %04lX:%04X to stdout\n",
1068 DS_reg(context
),DX_reg(context
) );
1070 LPSTR data
= CTX_SEG_OFF_TO_LIN(context
,DS_reg(context
),DX_reg(context
));
1071 LONG length
= strchr(data
,'$')-data
;
1072 _hwrite16( 1, data
, length
);
1076 case 0x0a: /* BUFFERED INPUT */
1078 char *buffer
= ((char *)CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
),
1082 TRACE(int21
,"BUFFERED INPUT\n");
1084 TRACE(int21
,"Handle old chars in buffer!\n");
1085 res
=_lread16( 0, buffer
+2,buffer
[0]);
1087 if(buffer
[res
+1] == '\n')
1088 buffer
[res
+1] = '\r';
1092 case 0x2e: /* SET VERIFY FLAG */
1093 TRACE(int21
,"SET VERIFY FLAG ignored\n");
1094 /* we cannot change the behaviour anyway, so just ignore it */
1097 case 0x18: /* NULL FUNCTIONS FOR CP/M COMPATIBILITY */
1101 case 0x6b: /* NULL FUNCTION */
1102 AL_reg(context
) = 0;
1105 case 0x5c: /* "FLOCK" - RECORD LOCKING */
1109 case 0x0d: /* DISK BUFFER FLUSH */
1110 TRACE(int21
,"DISK BUFFER FLUSH ignored\n");
1111 RESET_CFLAG(context
); /* dos 6+ only */
1114 case 0x0e: /* SELECT DEFAULT DRIVE */
1115 TRACE(int21
,"SELECT DEFAULT DRIVE %d\n", DL_reg(context
));
1116 DRIVE_SetCurrentDrive( DL_reg(context
) );
1117 AL_reg(context
) = MAX_DOS_DRIVES
;
1120 case 0x11: /* FIND FIRST MATCHING FILE USING FCB */
1121 TRACE(int21
,"FIND FIRST MATCHING FILE USING FCB %p\n",
1122 CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
), DX_reg(context
)));
1123 if (!INT21_FindFirstFCB(context
))
1125 AL_reg(context
) = 0xff;
1128 /* else fall through */
1130 case 0x12: /* FIND NEXT MATCHING FILE USING FCB */
1131 AL_reg(context
) = INT21_FindNextFCB(context
) ? 0x00 : 0xff;
1134 case 0x13: /* DELETE FILE USING FCB */
1135 DeleteFileFCB(context
);
1138 case 0x17: /* RENAME FILE USING FCB */
1139 RenameFileFCB(context
);
1142 case 0x19: /* GET CURRENT DEFAULT DRIVE */
1143 AL_reg(context
) = DRIVE_GetCurrentDrive();
1146 case 0x1a: /* SET DISK TRANSFER AREA ADDRESS */
1148 TDB
*pTask
= (TDB
*)GlobalLock16( GetCurrentTask() );
1149 pTask
->dta
= PTR_SEG_OFF_TO_SEGPTR(DS_reg(context
),DX_reg(context
));
1150 TRACE(int21
, "Set DTA: %08lx\n", pTask
->dta
);
1154 case 0x1b: /* GET ALLOCATION INFORMATION FOR DEFAULT DRIVE */
1155 DL_reg(context
) = 0;
1156 if (!INT21_GetDriveAllocInfo(context
)) AX_reg(context
) = 0xffff;
1159 case 0x1c: /* GET ALLOCATION INFORMATION FOR SPECIFIC DRIVE */
1160 if (!INT21_GetDriveAllocInfo(context
)) AX_reg(context
) = 0xffff;
1163 case 0x1f: /* GET DRIVE PARAMETER BLOCK FOR DEFAULT DRIVE */
1164 GetDrivePB(context
, DRIVE_GetCurrentDrive());
1167 case 0x25: /* SET INTERRUPT VECTOR */
1168 INT_SetHandler( AL_reg(context
),
1169 (FARPROC16
)PTR_SEG_OFF_TO_SEGPTR( DS_reg(context
),
1173 case 0x2a: /* GET SYSTEM DATE */
1174 INT21_GetSystemDate(context
);
1177 case 0x2b: /* SET SYSTEM DATE */
1178 FIXME(int21
, "SetSystemDate(%02d/%02d/%04d): not allowed\n",
1179 DL_reg(context
), DH_reg(context
), CX_reg(context
) );
1180 AL_reg(context
) = 0; /* Let's pretend we succeeded */
1183 case 0x2c: /* GET SYSTEM TIME */
1184 INT21_GetSystemTime(context
);
1187 case 0x2d: /* SET SYSTEM TIME */
1188 FIXME(int21
, "SetSystemTime(%02d:%02d:%02d.%02d): not allowed\n",
1189 CH_reg(context
), CL_reg(context
),
1190 DH_reg(context
), DL_reg(context
) );
1191 AL_reg(context
) = 0; /* Let's pretend we succeeded */
1194 case 0x2f: /* GET DISK TRANSFER AREA ADDRESS */
1195 TRACE(int21
,"GET DISK TRANSFER AREA ADDRESS\n");
1197 TDB
*pTask
= (TDB
*)GlobalLock16( GetCurrentTask() );
1198 ES_reg(context
) = SELECTOROF( pTask
->dta
);
1199 BX_reg(context
) = OFFSETOF( pTask
->dta
);
1203 case 0x30: /* GET DOS VERSION */
1204 TRACE(int21
,"GET DOS VERSION %s requested\n",
1205 (AL_reg(context
) == 0x00)?"OEM number":"version flag");
1206 AX_reg(context
) = (HIWORD(GetVersion16()) >> 8) |
1207 (HIWORD(GetVersion16()) << 8);
1209 AH_reg(context
) = 0x7;
1210 AL_reg(context
) = 0xA;
1213 BX_reg(context
) = 0x00FF; /* 0x123456 is Wine's serial # */
1214 CX_reg(context
) = 0x0000;
1217 case 0x31: /* TERMINATE AND STAY RESIDENT */
1218 TRACE(int21
,"TERMINATE AND STAY RESIDENT stub\n");
1219 INT_BARF( context
, 0x21 );
1222 case 0x32: /* GET DOS DRIVE PARAMETER BLOCK FOR SPECIFIC DRIVE */
1223 TRACE(int21
,"GET DOS DRIVE PARAMETER BLOCK FOR DRIVE %s\n",
1224 INT21_DriveName( DL_reg(context
)));
1225 GetDrivePB(context
, DOS_GET_DRIVE( DL_reg(context
) ) );
1228 case 0x33: /* MULTIPLEXED */
1229 switch (AL_reg(context
))
1231 case 0x00: /* GET CURRENT EXTENDED BREAK STATE */
1232 TRACE(int21
,"GET CURRENT EXTENDED BREAK STATE stub\n");
1233 DL_reg(context
) = 0;
1236 case 0x01: /* SET EXTENDED BREAK STATE */
1237 TRACE(int21
,"SET CURRENT EXTENDED BREAK STATE stub\n");
1240 case 0x02: /* GET AND SET EXTENDED CONTROL-BREAK CHECKING STATE*/
1241 TRACE(int21
,"GET AND SET EXTENDED CONTROL-BREAK CHECKING STATE stub\n");
1242 DL_reg(context
) = 0;
1245 case 0x05: /* GET BOOT DRIVE */
1246 TRACE(int21
,"GET BOOT DRIVE\n");
1247 DL_reg(context
) = 3;
1248 /* c: is Wine's bootdrive (a: is 1)*/
1251 case 0x06: /* GET TRUE VERSION NUMBER */
1252 TRACE(int21
,"GET TRUE VERSION NUMBER\n");
1253 BX_reg(context
) = (HIWORD(GetVersion16() >> 8)) |
1254 (HIWORD(GetVersion16() << 8));
1255 DX_reg(context
) = 0x00;
1259 INT_BARF( context
, 0x21 );
1264 case 0x34: /* GET ADDRESS OF INDOS FLAG */
1265 TRACE(int21
,"GET ADDRESS OF INDOS FLAG\n");
1266 if (!heap
) INT21_CreateHeap();
1267 ES_reg(context
) = DosHeapHandle
;
1268 BX_reg(context
) = (int)&heap
->InDosFlag
- (int)heap
;
1271 case 0x35: /* GET INTERRUPT VECTOR */
1272 TRACE(int21
,"GET INTERRUPT VECTOR 0x%02x\n",AL_reg(context
));
1274 FARPROC16 addr
= INT_GetHandler( AL_reg(context
) );
1275 ES_reg(context
) = SELECTOROF(addr
);
1276 BX_reg(context
) = OFFSETOF(addr
);
1280 case 0x36: /* GET FREE DISK SPACE */
1281 TRACE(int21
,"GET FREE DISK SPACE FOR DRIVE %s\n",
1282 INT21_DriveName( DL_reg(context
)));
1283 if (!INT21_GetFreeDiskSpace(context
)) AX_reg(context
) = 0xffff;
1288 unsigned char switchchar
='/';
1289 switch (AL_reg(context
))
1291 case 0x00: /* "SWITCHAR" - GET SWITCH CHARACTER */
1292 TRACE(int21
,"SWITCHAR - GET SWITCH CHARACTER\n");
1293 AL_reg(context
) = 0x00; /* success*/
1294 DL_reg(context
) = switchchar
;
1296 case 0x01: /*"SWITCHAR" - SET SWITCH CHARACTER*/
1297 TRACE(int21
,"SWITCHAR - SET SWITCH CHARACTER\n");
1298 switchchar
= DL_reg(context
);
1299 AL_reg(context
) = 0x00; /* success*/
1301 default: /*"AVAILDEV" - SPECIFY \DEV\ PREFIX USE*/
1302 INT_BARF( context
, 0x21 );
1308 case 0x38: /* GET COUNTRY-SPECIFIC INFORMATION */
1309 TRACE(int21
,"GET COUNTRY-SPECIFIC INFORMATION for country 0x%02x\n",
1311 AX_reg(context
) = 0x02; /* no country support available */
1315 case 0x39: /* "MKDIR" - CREATE SUBDIRECTORY */
1316 TRACE(int21
,"MKDIR %s\n",
1317 (LPCSTR
)CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
), DX_reg(context
)));
1318 bSetDOSExtendedError
= (!CreateDirectory16( CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
),
1319 DX_reg(context
) ), NULL
));
1322 case 0x3a: /* "RMDIR" - REMOVE SUBDIRECTORY */
1323 TRACE(int21
,"RMDIR %s\n",
1324 (LPCSTR
)CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
), DX_reg(context
)));
1325 bSetDOSExtendedError
= (!RemoveDirectory16( CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
),
1326 DX_reg(context
) )));
1329 case 0x3b: /* "CHDIR" - SET CURRENT DIRECTORY */
1330 TRACE(int21
,"CHDIR %s\n",
1331 (LPCSTR
)CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
), DX_reg(context
)));
1332 bSetDOSExtendedError
= !INT21_ChangeDir(context
);
1335 case 0x3c: /* "CREAT" - CREATE OR TRUNCATE FILE */
1336 TRACE(int21
,"CREAT flag 0x%02x %s\n",CX_reg(context
),
1337 (LPCSTR
)CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
), DX_reg(context
)));
1338 AX_reg(context
) = _lcreat16( CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
),
1339 DX_reg(context
) ), CX_reg(context
) );
1340 bSetDOSExtendedError
= (AX_reg(context
) == (WORD
)HFILE_ERROR16
);
1343 case 0x3d: /* "OPEN" - OPEN EXISTING FILE */
1344 TRACE(int21
,"OPEN mode 0x%02x %s\n",AL_reg(context
),
1345 (LPCSTR
)CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
), DX_reg(context
)));
1346 OpenExistingFile(context
);
1349 case 0x3e: /* "CLOSE" - CLOSE FILE */
1350 TRACE(int21
,"CLOSE handle %d\n",BX_reg(context
));
1351 if (BX_reg(context
)<5) {
1352 /* hack to make sure stdio isn't closed */
1353 DOS_ExtendedError
= 0x06;
1354 bSetDOSExtendedError
= TRUE
;
1356 bSetDOSExtendedError
= ((AX_reg(context
) = _lclose16( BX_reg(context
) )) != 0);
1359 case 0x3f: /* "READ" - READ FROM FILE OR DEVICE */
1360 TRACE(int21
,"READ from %d to %04lX:%04X for %d byte\n",BX_reg(context
),
1361 DS_reg(context
),DX_reg(context
),CX_reg(context
) );
1363 LONG result
= _hread16( BX_reg(context
),
1364 CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
),
1367 if (result
== -1) bSetDOSExtendedError
= TRUE
;
1368 else AX_reg(context
) = (WORD
)result
;
1372 case 0x40: /* "WRITE" - WRITE TO FILE OR DEVICE */
1373 TRACE(int21
,"WRITE from %04lX:%04X to handle %d for %d byte\n",
1374 DS_reg(context
),DX_reg(context
),BX_reg(context
),CX_reg(context
) );
1376 LONG result
= _hwrite16( BX_reg(context
),
1377 CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
),
1380 if (result
== -1) bSetDOSExtendedError
= TRUE
;
1381 else AX_reg(context
) = (WORD
)result
;
1385 case 0x41: /* "UNLINK" - DELETE FILE */
1386 TRACE(int21
,"UNLINK%s\n",
1387 (LPCSTR
)CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
), DX_reg(context
)));
1388 bSetDOSExtendedError
= (!DeleteFile32A( CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
),
1389 DX_reg(context
) )));
1392 case 0x42: /* "LSEEK" - SET CURRENT FILE POSITION */
1393 TRACE(int21
,"LSEEK handle %d offset %ld from %s\n",
1394 BX_reg(context
), MAKELONG(DX_reg(context
),CX_reg(context
)),
1395 (AL_reg(context
)==0)?"start of file":(AL_reg(context
)==1)?
1396 "current file position":"end of file");
1398 LONG status
= _llseek16( BX_reg(context
),
1399 MAKELONG(DX_reg(context
),CX_reg(context
)),
1401 if (status
== -1) bSetDOSExtendedError
= TRUE
;
1404 AX_reg(context
) = LOWORD(status
);
1405 DX_reg(context
) = HIWORD(status
);
1410 case 0x43: /* FILE ATTRIBUTES */
1411 switch (AL_reg(context
))
1414 TRACE(int21
,"GET FILE ATTRIBUTES for %s\n",
1415 (LPCSTR
)CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
), DX_reg(context
)));
1416 AX_reg(context
) = (WORD
)GetFileAttributes32A(
1417 CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
),
1419 if (AX_reg(context
) == 0xffff) bSetDOSExtendedError
= TRUE
;
1420 else CX_reg(context
) = AX_reg(context
);
1424 TRACE(int21
,"SET FILE ATTRIBUTES 0x%02x for %s\n", CX_reg(context
),
1425 (LPCSTR
)CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
), DX_reg(context
)));
1426 bSetDOSExtendedError
=
1427 (!SetFileAttributes32A( CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
),
1432 TRACE(int21
,"GET COMPRESSED FILE SIZE for %s stub\n",
1433 (LPCSTR
)CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
), DX_reg(context
)));
1437 case 0x44: /* IOCTL */
1438 switch (AL_reg(context
))
1441 ioctlGetDeviceInfo(context
);
1448 file
= FILE_GetFile(HFILE16_TO_HFILE32(BX_reg(context
)));
1449 if (!strcasecmp(file
->unix_name
, "SCSIMGR$"))
1450 ASPI_DOS_HandleInt(context
);
1451 FILE_ReleaseFile( file
);
1454 case 0x05:{ /* IOCTL - WRITE TO BLOCK DEVICE CONTROL CHANNEL */
1455 /*BYTE *dataptr = CTX_SEG_OFF_TO_LIN(context, DS_reg(context),DX_reg(context));*/
1456 int drive
= DOS_GET_DRIVE(BL_reg(context
));
1458 FIXME(int21
,"program tried to write to block device control channel of drive %d:\n",drive
);
1459 /* for (i=0;i<CX_reg(context);i++)
1460 fprintf(stdnimp,"%02x ",dataptr[i]);
1461 fprintf(stdnimp,"\n");*/
1462 AX_reg(context
)=CX_reg(context
);
1465 case 0x08: /* Check if drive is removable. */
1466 TRACE(int21
,"IOCTL - CHECK IF BLOCK DEVICE REMOVABLE for drive %s\n",
1467 INT21_DriveName( BL_reg(context
)));
1468 switch(GetDriveType16( DOS_GET_DRIVE( BL_reg(context
) )))
1470 case DRIVE_CANNOTDETERMINE
:
1471 DOS_ERROR( ER_InvalidDrive
, EC_NotFound
, SA_Abort
, EL_Disk
);
1472 AX_reg(context
) = ER_InvalidDrive
;
1475 case DRIVE_REMOVABLE
:
1476 AX_reg(context
) = 0; /* removable */
1479 AX_reg(context
) = 1; /* not removable */
1484 case 0x09: /* CHECK IF BLOCK DEVICE REMOTE */
1485 TRACE(int21
,"IOCTL - CHECK IF BLOCK DEVICE REMOTE for drive %s\n",
1486 INT21_DriveName( BL_reg(context
)));
1487 switch(GetDriveType16( DOS_GET_DRIVE( BL_reg(context
) )))
1489 case DRIVE_CANNOTDETERMINE
:
1490 DOS_ERROR( ER_InvalidDrive
, EC_NotFound
, SA_Abort
, EL_Disk
);
1491 AX_reg(context
) = ER_InvalidDrive
;
1495 DX_reg(context
) = (1<<9) | (1<<12); /* remote */
1498 DX_reg(context
) = 0; /* FIXME: use driver attr here */
1503 case 0x0a: /* check if handle (BX) is remote */
1504 TRACE(int21
,"IOCTL - CHECK IF HANDLE %d IS REMOTE\n",BX_reg(context
));
1505 /* returns DX, bit 15 set if remote, bit 14 set if date/time
1508 DX_reg(context
) = 0;
1511 case 0x0b: /* SET SHARING RETRY COUNT */
1512 TRACE(int21
,"IOCTL - SET SHARING RETRY COUNT pause %d retries %d\n",
1513 CX_reg(context
), DX_reg(context
));
1514 if (!CX_reg(context
))
1516 AX_reg(context
) = 1;
1520 sharing_pause
= CX_reg(context
);
1521 if (!DX_reg(context
))
1522 sharing_retries
= DX_reg(context
);
1523 RESET_CFLAG(context
);
1527 TRACE(int21
,"IOCTL - GENERIC BLOCK DEVICE REQUEST %s\n",
1528 INT21_DriveName( BL_reg(context
)));
1529 bSetDOSExtendedError
= ioctlGenericBlkDevReq(context
);
1532 case 0x0e: /* get logical drive mapping */
1533 TRACE(int21
,"IOCTL - GET LOGICAL DRIVE MAP for drive %s\n",
1534 INT21_DriveName( BL_reg(context
)));
1535 AL_reg(context
) = 0; /* drive has no mapping - FIXME: may be wrong*/
1538 case 0x0F: /* Set logical drive mapping */
1541 TRACE(int21
,"IOCTL - SET LOGICAL DRIVE MAP for drive %s\n",
1542 INT21_DriveName( BL_reg(context
)));
1543 drive
= DOS_GET_DRIVE ( BL_reg(context
) );
1544 if ( ! DRIVE_SetLogicalMapping ( drive
, drive
+1 ) )
1547 AX_reg(context
) = 0x000F; /* invalid drive */
1553 INT_BARF( context
, 0x21 );
1558 case 0x45: /* "DUP" - DUPLICATE FILE HANDLE */
1559 TRACE(int21
,"DUP - DUPLICATE FILE HANDLE %d\n",BX_reg(context
));
1560 bSetDOSExtendedError
= ((AX_reg(context
) = HFILE32_TO_HFILE16(FILE_Dup(HFILE16_TO_HFILE32(BX_reg(context
))))) == (WORD
)HFILE_ERROR16
);
1563 case 0x46: /* "DUP2", "FORCEDUP" - FORCE DUPLICATE FILE HANDLE */
1564 TRACE(int21
,"FORCEDUP - FORCE DUPLICATE FILE HANDLE %d to %d\n",
1565 BX_reg(context
),CX_reg(context
));
1566 bSetDOSExtendedError
= (FILE_Dup2( HFILE16_TO_HFILE32(BX_reg(context
)), HFILE16_TO_HFILE32(CX_reg(context
)) ) == HFILE_ERROR32
);
1569 case 0x47: /* "CWD" - GET CURRENT DIRECTORY */
1570 TRACE(int21
,"CWD - GET CURRENT DIRECTORY for drive %s\n",
1571 INT21_DriveName( DL_reg(context
)));
1572 bSetDOSExtendedError
= !INT21_GetCurrentDirectory(context
);
1575 case 0x48: /* ALLOCATE MEMORY */
1576 TRACE(int21
,"ALLOCATE MEMORY for %d paragraphs\n", BX_reg(context
));
1581 mem
= DOSMEM_GetBlock(0,(DWORD
)BX_reg(context
)<<4,NULL
);
1583 AX_reg(context
) = DOSMEM_MapLinearToDos(mem
)>>4;
1587 mem
= (LPVOID
)GlobalDOSAlloc(BX_reg(context
)<<4);
1589 AX_reg(context
) = (DWORD
)mem
&0xffff;
1594 AX_reg(context
) = 0x0008; /* insufficient memory */
1595 BX_reg(context
) = DOSMEM_Available(0)>>4;
1600 case 0x49: /* FREE MEMORY */
1601 TRACE(int21
,"FREE MEMORY segment %04lX\n", ES_reg(context
));
1605 ret
= DOSMEM_FreeBlock(0,DOSMEM_MapDosToLinear(ES_reg(context
)<<4));
1608 ret
= !GlobalDOSFree(ES_reg(context
));
1609 /* If we don't reset ES_reg, we will fail in the relay code */
1610 ES_reg(context
)=ret
;
1614 TRACE(int21
,"FREE MEMORY failed\n");
1616 AX_reg(context
) = 0x0009; /* memory block address invalid */
1621 case 0x4a: /* RESIZE MEMORY BLOCK */
1622 TRACE(int21
,"RESIZE MEMORY segment %04lX to %d paragraphs\n", ES_reg(context
), BX_reg(context
));
1623 if (!ISV86(context
))
1624 FIXME(int21
,"RESIZE MEMORY probably insufficent implementation. Expect crash soon\n");
1626 LPVOID
*mem
= DOSMEM_ResizeBlock(0,DOSMEM_MapDosToLinear(ES_reg(context
)<<4),
1627 BX_reg(context
)<<4,NULL
);
1629 AX_reg(context
) = DOSMEM_MapLinearToDos(mem
)>>4;
1632 AX_reg(context
) = 0x0008; /* insufficient memory */
1633 BX_reg(context
) = DOSMEM_Available(0)>>4; /* not quite right */
1638 case 0x4b: /* "EXEC" - LOAD AND/OR EXECUTE PROGRAM */
1639 TRACE(int21
,"EXEC %s\n",
1640 (LPCSTR
)CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
),DX_reg(context
) ));
1641 AX_reg(context
) = WinExec16( CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
),
1644 if (AX_reg(context
) < 32) SET_CFLAG(context
);
1647 case 0x4c: /* "EXIT" - TERMINATE WITH RETURN CODE */
1648 TRACE(int21
,"EXIT with return code %d\n",AL_reg(context
));
1649 ExitProcess( AL_reg(context
) );
1652 case 0x4d: /* GET RETURN CODE */
1653 TRACE(int21
,"GET RETURN CODE (ERRORLEVEL)\n");
1654 AX_reg(context
) = 0; /* normal exit */
1657 case 0x4e: /* "FINDFIRST" - FIND FIRST MATCHING FILE */
1658 TRACE(int21
,"FINDFIRST mask 0x%04x spec %s\n",CX_reg(context
),
1659 (LPCSTR
)CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
), DX_reg(context
)));
1660 if (!INT21_FindFirst(context
)) break;
1663 case 0x4f: /* "FINDNEXT" - FIND NEXT MATCHING FILE */
1664 TRACE(int21
,"FINDNEXT\n");
1665 if (!INT21_FindNext(context
))
1667 DOS_ERROR( ER_NoMoreFiles
, EC_MediaError
, SA_Abort
, EL_Disk
);
1668 AX_reg(context
) = ER_NoMoreFiles
;
1671 else AX_reg(context
) = 0; /* OK */
1673 case 0x50: /* SET CURRENT PROCESS ID (SET PSP ADDRESS) */
1674 TRACE(int21
, "SET CURRENT PROCESS ID (GET PSP ADDRESS)\n");
1675 /* FIXME: Is this right? */
1676 INT21_SetCurrentPSP(context
);
1678 case 0x51: /* GET PSP ADDRESS */
1679 TRACE(int21
,"GET CURRENT PROCESS ID (GET PSP ADDRESS)\n");
1680 /* FIXME: should we return the original DOS PSP upon */
1681 /* Windows startup ? */
1682 BX_reg(context
) = INT21_GetCurrentPSP();
1684 case 0x62: /* GET PSP ADDRESS */
1685 TRACE(int21
,"GET CURRENT PSP ADDRESS\n");
1686 /* FIXME: should we return the original DOS PSP upon */
1687 /* Windows startup ? */
1688 BX_reg(context
) = INT21_GetCurrentPSP();
1691 case 0x52: /* "SYSVARS" - GET LIST OF LISTS */
1692 TRACE(int21
,"SYSVARS - GET LIST OF LISTS\n");
1695 lol
= INT21_GetListOfLists();
1696 ES_reg(context
) = HIWORD(lol
);
1697 BX_reg(context
) = LOWORD(lol
);
1701 case 0x56: /* "RENAME" - RENAME FILE */
1702 TRACE(int21
,"RENAME %s to %s\n",
1703 (LPCSTR
)CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
),DX_reg(context
)),
1704 (LPCSTR
)CTX_SEG_OFF_TO_LIN(context
, ES_reg(context
),DI_reg(context
)));
1705 bSetDOSExtendedError
=
1706 (!MoveFile32A( CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
),DX_reg(context
)),
1707 CTX_SEG_OFF_TO_LIN(context
, ES_reg(context
),DI_reg(context
))));
1710 case 0x57: /* FILE DATE AND TIME */
1711 switch (AL_reg(context
))
1713 case 0x00: /* Get */
1716 TRACE(int21
,"GET FILE DATE AND TIME for handle %d\n",
1718 if (!GetFileTime( BX_reg(context
), NULL
, NULL
, &filetime
))
1719 bSetDOSExtendedError
= TRUE
;
1720 else FileTimeToDosDateTime( &filetime
, &DX_reg(context
),
1725 case 0x01: /* Set */
1728 TRACE(int21
,"SET FILE DATE AND TIME for handle %d\n",
1730 DosDateTimeToFileTime( DX_reg(context
), CX_reg(context
),
1732 bSetDOSExtendedError
=
1733 (!SetFileTime( BX_reg(context
), NULL
, NULL
, &filetime
));
1739 case 0x58: /* GET OR SET MEMORY/UMB ALLOCATION STRATEGY */
1740 TRACE(int21
,"GET OR SET MEMORY/UMB ALLOCATION STRATEGY subfunction %d\n",
1742 switch (AL_reg(context
))
1745 AX_reg(context
) = 1;
1748 AX_reg(context
) = 0;
1754 RESET_CFLAG(context
);
1757 case 0x5a: /* CREATE TEMPORARY FILE */
1758 TRACE(int21
,"CREATE TEMPORARY FILE\n");
1759 bSetDOSExtendedError
= !INT21_CreateTempFile(context
);
1762 case 0x5b: /* CREATE NEW FILE */
1763 TRACE(int21
,"CREATE NEW FILE 0x%02x for %s\n", CX_reg(context
),
1764 (LPCSTR
)CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
), DX_reg(context
)));
1765 bSetDOSExtendedError
= ((AX_reg(context
) =
1766 HFILE32_TO_HFILE16(_lcreat_uniq( CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
),DX_reg(context
)), 0 )))
1767 == (WORD
)HFILE_ERROR16
);
1770 case 0x5d: /* NETWORK */
1771 FIXME(int21
,"Function 0x%04x not implemented.\n", AX_reg (context
));
1772 /* Fix the following while you're at it. */
1773 DOS_ERROR( ER_NoNetwork
, EC_NotFound
, SA_Abort
, EL_Network
);
1774 bSetDOSExtendedError
= TRUE
;
1778 bSetDOSExtendedError
= INT21_networkfunc (context
);
1781 case 0x5f: /* NETWORK */
1782 switch (AL_reg(context
))
1784 case 0x07: /* ENABLE DRIVE */
1785 TRACE(int21
,"ENABLE DRIVE %c:\n",(DL_reg(context
)+'A'));
1786 if (!DRIVE_Enable( DL_reg(context
) ))
1788 DOS_ERROR( ER_InvalidDrive
, EC_MediaError
, SA_Abort
, EL_Disk
);
1789 bSetDOSExtendedError
= TRUE
;
1793 case 0x08: /* DISABLE DRIVE */
1794 TRACE(int21
,"DISABLE DRIVE %c:\n",(DL_reg(context
)+'A'));
1795 if (!DRIVE_Disable( DL_reg(context
) ))
1797 DOS_ERROR( ER_InvalidDrive
, EC_MediaError
, SA_Abort
, EL_Disk
);
1798 bSetDOSExtendedError
= TRUE
;
1803 /* network software not installed */
1804 TRACE(int21
,"NETWORK function AX=%04x not implemented\n",AX_reg(context
));
1805 DOS_ERROR( ER_NoNetwork
, EC_NotFound
, SA_Abort
, EL_Network
);
1806 bSetDOSExtendedError
= TRUE
;
1811 case 0x60: /* "TRUENAME" - CANONICALIZE FILENAME OR PATH */
1812 TRACE(int21
,"TRUENAME %s\n",
1813 (LPCSTR
)CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
),SI_reg(context
)));
1815 if (!GetFullPathName32A( CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
),
1816 SI_reg(context
)), 128,
1817 CTX_SEG_OFF_TO_LIN(context
, ES_reg(context
),
1818 DI_reg(context
)),NULL
))
1819 bSetDOSExtendedError
= TRUE
;
1820 else AX_reg(context
) = 0;
1824 case 0x61: /* UNUSED */
1825 case 0x63: /* UNUSED */
1826 case 0x64: /* OS/2 DOS BOX */
1827 INT_BARF( context
, 0x21 );
1831 case 0x65:{/* GET EXTENDED COUNTRY INFORMATION */
1832 extern WORD WINE_LanguageId
;
1833 BYTE
*dataptr
=CTX_SEG_OFF_TO_LIN(context
, ES_reg(context
),DI_reg(context
));
1834 TRACE(int21
,"GET EXTENDED COUNTRY INFORMATION code page %d country %d\n",
1835 BX_reg(context
), DX_reg(context
));
1836 switch (AL_reg(context
)) {
1838 TRACE(int21
,"\tget general internationalization info\n");
1840 *(WORD
*)(dataptr
+1) = 41;
1841 *(WORD
*)(dataptr
+3) = WINE_LanguageId
;
1842 *(WORD
*)(dataptr
+5) = CodePage
;
1843 *(DWORD
*)(dataptr
+0x19) = 0; /* FIXME: ptr to case map routine */
1846 TRACE(int21
,"\tget pointer to collating sequence table\n");
1848 *(DWORD
*)(dataptr
+1) = MAKELONG(DOSMEM_CollateTable
& 0xFFFF,DOSMEM_AllocSelector(DOSMEM_CollateTable
>>16));
1849 CX_reg(context
) = 258;/*FIXME: size of table?*/
1852 TRACE(int21
,"\tunimplemented function %d\n",AL_reg(context
));
1853 INT_BARF( context
, 0x21 );
1859 case 0x66: /* GLOBAL CODE PAGE TABLE */
1860 switch (AL_reg(context
))
1863 TRACE(int21
,"GET GLOBAL CODE PAGE TABLE\n");
1864 DX_reg(context
) = BX_reg(context
) = CodePage
;
1865 RESET_CFLAG(context
);
1868 TRACE(int21
,"SET GLOBAL CODE PAGE TABLE active page %d system page %d\n",
1869 BX_reg(context
),DX_reg(context
));
1870 CodePage
= BX_reg(context
);
1871 RESET_CFLAG(context
);
1876 case 0x67: /* SET HANDLE COUNT */
1877 TRACE(int21
,"SET HANDLE COUNT to %d\n",BX_reg(context
) );
1878 SetHandleCount16( BX_reg(context
) );
1879 if (DOS_ExtendedError
) bSetDOSExtendedError
= TRUE
;
1882 case 0x68: /* "FFLUSH" - COMMIT FILE */
1883 case 0x6a: /* COMMIT FILE */
1884 TRACE(int21
,"FFLUSH/COMMIT handle %d\n",BX_reg(context
));
1885 bSetDOSExtendedError
= (!FlushFileBuffers( HFILE16_TO_HFILE32(BX_reg(context
)) ));
1888 case 0x69: /* DISK SERIAL NUMBER */
1889 switch (AL_reg(context
))
1892 TRACE(int21
,"GET DISK SERIAL NUMBER for drive %s\n",
1893 INT21_DriveName(BL_reg(context
)));
1894 if (!INT21_GetDiskSerialNumber(context
)) bSetDOSExtendedError
= TRUE
;
1895 else AX_reg(context
) = 0;
1899 TRACE(int21
,"SET DISK SERIAL NUMBER for drive %s\n",
1900 INT21_DriveName(BL_reg(context
)));
1901 if (!INT21_SetDiskSerialNumber(context
)) bSetDOSExtendedError
= TRUE
;
1902 else AX_reg(context
) = 1;
1907 case 0x6C: /* Extended Open/Create*/
1908 TRACE(int21
,"EXTENDED OPEN/CREATE %s\n",
1909 (LPCSTR
)CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
), DI_reg(context
)));
1910 bSetDOSExtendedError
= INT21_ExtendedOpenCreateFile(context
);
1913 case 0x71: /* MS-DOS 7 (Windows95) - LONG FILENAME FUNCTIONS */
1914 if ((GetVersion32()&0xC0000004)!=0xC0000004) {
1915 /* not supported on anything but Win95 */
1916 TRACE(int21
,"LONG FILENAME functions supported only by win95\n");
1918 AL_reg(context
) = 0;
1920 switch(AL_reg(context
))
1922 case 0x39: /* Create directory */
1923 TRACE(int21
,"LONG FILENAME - MAKE DIRECTORY %s\n",
1924 (LPCSTR
)CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
),DX_reg(context
)));
1925 bSetDOSExtendedError
= (!CreateDirectory32A(
1926 CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
),
1927 DX_reg(context
) ), NULL
));
1929 case 0x3a: /* Remove directory */
1930 TRACE(int21
,"LONG FILENAME - REMOVE DIRECTORY %s\n",
1931 (LPCSTR
)CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
),DX_reg(context
)));
1932 bSetDOSExtendedError
= (!RemoveDirectory32A(
1933 CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
),
1934 DX_reg(context
) )));
1936 case 0x43: /* Get/Set file attributes */
1937 TRACE(int21
,"LONG FILENAME -EXTENDED GET/SET FILE ATTRIBUTES %s\n",
1938 (LPCSTR
)CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
),DX_reg(context
)));
1939 switch (BL_reg(context
))
1941 case 0x00: /* Get file attributes */
1942 TRACE(int21
,"\tretrieve attributes\n");
1943 CX_reg(context
) = (WORD
)GetFileAttributes32A(
1944 CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
),
1946 if (CX_reg(context
) == 0xffff) bSetDOSExtendedError
= TRUE
;
1949 TRACE(int21
,"\tset attributes 0x%04x\n",CX_reg(context
));
1950 bSetDOSExtendedError
= (!SetFileAttributes32A(
1951 CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
),
1953 CX_reg(context
) ) );
1956 FIXME(int21
, "Unimplemented long file name function:\n");
1957 INT_BARF( context
, 0x21 );
1959 AL_reg(context
) = 0;
1963 case 0x47: /* Get current directory */
1964 TRACE(int21
," LONG FILENAME - GET CURRENT DIRECTORY for drive %s\n",
1965 INT21_DriveName(DL_reg(context
)));
1966 bSetDOSExtendedError
= !INT21_GetCurrentDirectory(context
);
1969 case 0x4e: /* Find first file */
1970 TRACE(int21
," LONG FILENAME - FIND FIRST MATCHING FILE for %s\n",
1971 (LPCSTR
)CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
),DX_reg(context
)));
1972 /* FIXME: use attributes in CX */
1973 if ((AX_reg(context
) = FindFirstFile16(
1974 CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
),DX_reg(context
)),
1975 (WIN32_FIND_DATA32A
*)CTX_SEG_OFF_TO_LIN(context
, ES_reg(context
),
1977 == INVALID_HANDLE_VALUE16
)
1978 bSetDOSExtendedError
= TRUE
;
1980 case 0x4f: /* Find next file */
1981 TRACE(int21
,"LONG FILENAME - FIND NEXT MATCHING FILE for handle %d\n",
1983 if (!FindNextFile16( BX_reg(context
),
1984 (WIN32_FIND_DATA32A
*)CTX_SEG_OFF_TO_LIN(context
, ES_reg(context
),
1986 bSetDOSExtendedError
= TRUE
;
1988 case 0xa1: /* Find close */
1989 TRACE(int21
,"LONG FILENAME - FINDCLOSE for handle %d\n",
1991 bSetDOSExtendedError
= (!FindClose16( BX_reg(context
) ));
1994 TRACE(int21
,"LONG FILENAME - GET VOLUME INFORMATION for drive %s stub\n",
1995 (LPCSTR
)CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
),DX_reg(context
)));
1998 switch(CL_reg(context
))
2000 case 0x01: /*Get short filename or path */
2001 if (!GetShortPathName32A
2002 ( CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
),
2004 CTX_SEG_OFF_TO_LIN(context
, ES_reg(context
),
2005 DI_reg(context
)), 67))
2006 bSetDOSExtendedError
= TRUE
;
2007 else AX_reg(context
) = 0;
2009 case 0x02: /*Get canonical long filename or path */
2010 if (!GetFullPathName32A
2011 ( CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
),
2012 SI_reg(context
)), 128,
2013 CTX_SEG_OFF_TO_LIN(context
, ES_reg(context
),
2014 DI_reg(context
)),NULL
))
2015 bSetDOSExtendedError
= TRUE
;
2016 else AX_reg(context
) = 0;
2019 FIXME(int21
, "Unimplemented long file name function:\n");
2020 INT_BARF( context
, 0x21 );
2022 AL_reg(context
) = 0;
2026 case 0x6c: /* Create or open file */
2027 TRACE(int21
,"LONG FILENAME - CREATE OR OPEN FILE %s\n",
2028 (LPCSTR
)CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
), SI_reg(context
)));
2029 /* translate Dos 7 action to Dos 6 action */
2030 bSetDOSExtendedError
= INT21_ExtendedOpenCreateFile(context
);
2033 case 0x3b: /* Change directory */
2034 TRACE(int21
,"LONG FILENAME - CHANGE DIRECTORY %s\n",
2035 (LPCSTR
)CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
), DX_reg(context
)));
2036 if (!SetCurrentDirectory32A(CTX_SEG_OFF_TO_LIN(context
,
2042 AL_reg(context
) = DOS_ExtendedError
;
2045 case 0x41: /* Delete file */
2046 TRACE(int21
,"LONG FILENAME - DELETE FILE %s\n",
2047 (LPCSTR
)CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
), DX_reg(context
)));
2048 if (!DeleteFile32A(CTX_SEG_OFF_TO_LIN(context
,
2053 AL_reg(context
) = DOS_ExtendedError
;
2056 case 0x56: /* Move (rename) file */
2057 TRACE(int21
,"LONG FILENAME - RENAME FILE %s to %s stub\n",
2058 (LPCSTR
)CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
), DX_reg(context
)),
2059 (LPCSTR
)CTX_SEG_OFF_TO_LIN(context
, ES_reg(context
), DI_reg(context
)));
2061 FIXME(int21
, "Unimplemented long file name function:\n");
2062 INT_BARF( context
, 0x21 );
2064 AL_reg(context
) = 0;
2069 case 0x70: /* MS-DOS 7 (Windows95) - ??? (country-specific?)*/
2070 case 0x72: /* MS-DOS 7 (Windows95) - ??? */
2071 case 0x73: /* MS-DOS 7 (Windows95) - DRIVE LOCKING ??? */
2072 TRACE(int21
,"windows95 function AX %04x\n",
2074 WARN(int21
, " returning unimplemented\n");
2076 AL_reg(context
) = 0;
2079 case 0xdc: /* CONNECTION SERVICES - GET CONNECTION NUMBER */
2080 case 0xea: /* NOVELL NETWARE - RETURN SHELL VERSION */
2084 INT_BARF( context
, 0x21 );
2087 } /* END OF SWITCH */
2089 if( bSetDOSExtendedError
) /* set general error condition */
2091 AX_reg(context
) = DOS_ExtendedError
;
2095 if ((EFL_reg(context
) & 0x0001))
2096 TRACE(int21
, "failed, errorcode 0x%02x class 0x%02x action 0x%02x locus %02x\n",
2097 DOS_ExtendedError
, DOS_ErrorClass
, DOS_ErrorAction
, DOS_ErrorLocus
);
2099 TRACE(int21
, "returning: AX=%04x BX=%04x CX=%04x DX=%04x "
2100 "SI=%04x DI=%04x DS=%04x ES=%04x EFL=%08lx\n",
2101 AX_reg(context
), BX_reg(context
), CX_reg(context
),
2102 DX_reg(context
), SI_reg(context
), DI_reg(context
),
2103 (WORD
)DS_reg(context
), (WORD
)ES_reg(context
),
2107 FARPROC16 WINAPI
GetSetKernelDOSProc(FARPROC16 DosProc
)
2109 FIXME(int21
, "(DosProc=%08x);\n", (UINT32
)DosProc
);