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 */
34 #include "debugtools.h"
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 extern char TempDirectory
[];
90 static BOOL
INT21_CreateHeap(void)
92 if (!(DosHeapHandle
= GlobalAlloc16(GMEM_FIXED
,sizeof(struct DosHeap
))))
94 WARN("Out of memory\n");
97 heap
= (struct DosHeap
*) GlobalLock16(DosHeapHandle
);
98 dpbsegptr
= PTR_SEG_OFF_TO_SEGPTR(DosHeapHandle
,(int)&heap
->dpb
-(int)heap
);
100 strcpy(heap
->biosdate
, "01/01/80");
101 memset(heap
->DummyDBCSLeadTable
, 0, 6);
105 static BYTE
*GetCurrentDTA( CONTEXT86
*context
)
107 TDB
*pTask
= (TDB
*)GlobalLock16( GetCurrentTask() );
109 /* FIXME: This assumes DTA was set correctly! */
110 return (BYTE
*)CTX_SEG_OFF_TO_LIN( context
, SELECTOROF(pTask
->dta
),
111 (DWORD
)OFFSETOF(pTask
->dta
) );
115 void CreateBPB(int drive
, BYTE
*data
, BOOL16 limited
)
116 /* limited == TRUE is used with INT 0x21/0x440d */
121 setword(&data
[3], 0);
123 setword(&data
[6], 240);
124 setword(&data
[8], 64000);
126 setword(&data
[0x0b], 40);
127 setword(&data
[0x0d], 56);
128 setword(&data
[0x0f], 2);
129 setword(&data
[0x11], 0);
131 setword(&data
[0x1f], 800);
133 setword(&data
[0x22], 1);
135 } else { /* 1.44mb */
138 setword(&data
[3], 0);
140 setword(&data
[6], 240);
141 setword(&data
[8], 2880);
143 setword(&data
[0x0b], 6);
144 setword(&data
[0x0d], 18);
145 setword(&data
[0x0f], 2);
146 setword(&data
[0x11], 0);
148 setword(&data
[0x1f], 80);
150 setword(&data
[0x22], 2);
155 static int INT21_GetFreeDiskSpace( CONTEXT86
*context
)
157 DWORD cluster_sectors
, sector_bytes
, free_clusters
, total_clusters
;
158 char root
[] = "A:\\";
160 *root
+= DOS_GET_DRIVE( DL_reg(context
) );
161 if (!GetDiskFreeSpaceA( root
, &cluster_sectors
, §or_bytes
,
162 &free_clusters
, &total_clusters
)) return 0;
163 AX_reg(context
) = cluster_sectors
;
164 BX_reg(context
) = free_clusters
;
165 CX_reg(context
) = sector_bytes
;
166 DX_reg(context
) = total_clusters
;
170 static int INT21_GetDriveAllocInfo( CONTEXT86
*context
)
172 if (!INT21_GetFreeDiskSpace( context
)) return 0;
173 if (!heap
&& !INT21_CreateHeap()) return 0;
174 heap
->mediaID
= 0xf0;
175 DS_reg(context
) = DosHeapHandle
;
176 BX_reg(context
) = (int)&heap
->mediaID
- (int)heap
;
180 static void GetDrivePB( CONTEXT86
*context
, int drive
)
182 if(!DRIVE_IsValid(drive
))
184 SetLastError( ERROR_INVALID_DRIVE
);
185 AX_reg(context
) = 0x00ff;
187 else if (heap
|| INT21_CreateHeap())
189 FIXME("GetDrivePB not fully implemented.\n");
191 /* FIXME: I have no idea what a lot of this information should
192 * say or whether it even really matters since we're not allowing
193 * direct block access. However, some programs seem to depend on
194 * getting at least _something_ back from here. The 'next' pointer
195 * does worry me, though. Should we have a complete table of
196 * separate DPBs per drive? Probably, but I'm lazy. :-) -CH
198 heap
->dpb
.drive_num
= heap
->dpb
.unit_num
= drive
; /*The same?*/
199 heap
->dpb
.sector_size
= 512;
200 heap
->dpb
.high_sector
= 1;
201 heap
->dpb
.shift
= drive
< 2 ? 0 : 6; /*6 for HD, 0 for floppy*/
202 heap
->dpb
.reserved
= 0;
203 heap
->dpb
.num_FAT
= 1;
204 heap
->dpb
.dir_entries
= 2;
205 heap
->dpb
.first_data
= 2;
206 heap
->dpb
.high_cluster
= 64000;
207 heap
->dpb
.sectors_in_FAT
= 1;
208 heap
->dpb
.start_dir
= 1;
209 heap
->dpb
.driver_head
= 0;
210 heap
->dpb
.media_ID
= (drive
> 1) ? 0xF8 : 0xF0;
211 heap
->dpb
.access_flag
= 0;
213 heap
->dpb
.free_search
= 0;
214 heap
->dpb
.free_clusters
= 0xFFFF; /* unknown */
216 AL_reg(context
) = 0x00;
217 DS_reg(context
) = SELECTOROF(dpbsegptr
);
218 BX_reg(context
) = OFFSETOF(dpbsegptr
);
223 static void ioctlGetDeviceInfo( CONTEXT86
*context
)
226 const DOS_DEVICE
*dev
;
228 TRACE("(%d)\n", BX_reg(context
));
230 RESET_CFLAG(context
);
233 if ((dev
= DOSFS_GetDeviceByHandle( FILE_GetHandle(BX_reg(context
)) )))
235 DX_reg(context
) = dev
->flags
;
239 /* it seems to be a file */
240 curr_drive
= DRIVE_GetCurrentDrive();
241 DX_reg(context
) = 0x0140 + curr_drive
+ ((curr_drive
> 1) ? 0x0800 : 0);
243 /* bits 0-5 are current drive
244 * bit 6 - file has NOT been written..FIXME: correct?
245 * bit 8 - generate int24 if no diskspace on write/ read past end of file
246 * bit 11 - media not removable
247 * bit 14 - don't set file date/time on closing
248 * bit 15 - file is remote
252 static BOOL
ioctlGenericBlkDevReq( CONTEXT86
*context
)
254 BYTE
*dataptr
= CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
), EDX_reg(context
));
255 int drive
= DOS_GET_DRIVE( BL_reg(context
) );
257 if (!DRIVE_IsValid(drive
))
259 SetLastError( ERROR_FILE_NOT_FOUND
);
263 if (CH_reg(context
) != 0x08)
265 INT_BARF( context
, 0x21 );
269 switch (CL_reg(context
))
271 case 0x4a: /* lock logical volume */
272 TRACE("lock logical volume (%d) level %d mode %d\n",drive
,BH_reg(context
),DX_reg(context
));
275 case 0x60: /* get device parameters */
276 /* used by w4wgrp's winfile */
277 memset(dataptr
, 0, 0x20); /* DOS 6.22 uses 0x20 bytes */
279 dataptr
[6] = 0; /* media type */
282 dataptr
[1] = 0x05; /* fixed disk */
283 setword(&dataptr
[2], 0x01); /* non removable */
284 setword(&dataptr
[4], 0x300); /* # of cylinders */
288 dataptr
[1] = 0x07; /* block dev, floppy */
289 setword(&dataptr
[2], 0x02); /* removable */
290 setword(&dataptr
[4], 80); /* # of cylinders */
292 CreateBPB(drive
, &dataptr
[7], TRUE
);
293 RESET_CFLAG(context
);
296 case 0x41: /* write logical device track */
297 case 0x61: /* read logical device track */
299 BYTE drive
= BL_reg(context
) ?
300 BL_reg(context
) : DRIVE_GetCurrentDrive();
301 WORD head
= *(WORD
*)dataptr
+1;
302 WORD cyl
= *(WORD
*)dataptr
+3;
303 WORD sect
= *(WORD
*)dataptr
+5;
304 WORD nrsect
= *(WORD
*)dataptr
+7;
305 BYTE
*data
= (BYTE
*)dataptr
+9;
306 int (*raw_func
)(BYTE
, DWORD
, DWORD
, BYTE
*, BOOL
);
308 raw_func
= (CL_reg(context
) == 0x41) ?
309 DRIVE_RawWrite
: DRIVE_RawRead
;
311 if (raw_func(drive
, head
*cyl
*sect
, nrsect
, data
, FALSE
))
312 RESET_CFLAG(context
);
315 AX_reg(context
) = 0x1e; /* read fault */
320 case 0x66:/* get disk serial number */
322 char label
[12],fsname
[9],path
[4];
325 strcpy(path
,"x:\\");path
[0]=drive
+'A';
326 GetVolumeInformationA(
327 path
,label
,12,&serial
,NULL
,NULL
,fsname
,9
330 memcpy(dataptr
+2,&serial
,4);
331 memcpy(dataptr
+6,label
,11);
332 memcpy(dataptr
+17,fsname
,8);
337 TRACE("logical volume %d unlocked.\n",drive
);
341 memset(dataptr
+1, '\0', dataptr
[0]-1);
342 dataptr
[1] = dataptr
[0];
343 dataptr
[2] = 0x07; /* protected mode driver; no eject; no notification */
344 dataptr
[3] = 0xFF; /* no physical drive */
348 /* Trail on error implementation */
349 AX_reg(context
) = GetDriveType16(BL_reg(context
)) == DRIVE_CANNOTDETERMINE
? 0x0f : 0x01;
350 SET_CFLAG(context
); /* Seems to be set all the time */
354 INT_BARF( context
, 0x21 );
359 static void INT21_ParseFileNameIntoFCB( CONTEXT86
*context
)
362 CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
), ESI_reg(context
) );
364 CTX_SEG_OFF_TO_LIN(context
, ES_reg(context
), EDI_reg(context
) );
365 char *buffer
, *s
, *d
;
367 AL_reg(context
) = 0xff; /* failed */
369 TRACE("filename: '%s'\n", filename
);
371 buffer
= HeapAlloc( GetProcessHeap(), 0, strlen(filename
) + 1);
377 if ((*s
!= ' ') && (*s
!= '\r') && (*s
!= '\n'))
384 DOSFS_ToDosFCBFormat(buffer
, fcb
+ 1);
386 TRACE("FCB: '%s'\n", ((CHAR
*)fcb
+ 1));
388 HeapFree( GetProcessHeap(), 0, buffer
);
391 ((strchr(filename
, '*')) || (strchr(filename
, '$'))) != 0;
393 /* point DS:SI to first unparsed character */
394 SI_reg(context
) += (int)s
- (int)filename
;
397 static void INT21_GetSystemDate( CONTEXT86
*context
)
400 GetLocalTime( &systime
);
401 CX_reg(context
) = systime
.wYear
;
402 DX_reg(context
) = (systime
.wMonth
<< 8) | systime
.wDay
;
403 AX_reg(context
) = systime
.wDayOfWeek
;
406 static void INT21_GetSystemTime( CONTEXT86
*context
)
409 GetLocalTime( &systime
);
410 CX_reg(context
) = (systime
.wHour
<< 8) | systime
.wMinute
;
411 DX_reg(context
) = (systime
.wSecond
<< 8) | (systime
.wMilliseconds
/ 10);
414 /* Many calls translate a drive argument like this:
415 drive number (00h = default, 01h = A:, etc)
417 static char drivestring
[]="default";
419 char *INT21_DriveName(int drive
)
424 drivestring
[0]= (unsigned char)drive
+ '@';
430 static BOOL
INT21_CreateFile( CONTEXT86
*context
)
432 AX_reg(context
) = _lcreat16( CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
),
433 EDX_reg(context
) ), CX_reg(context
) );
434 return (AX_reg(context
) == (WORD
)HFILE_ERROR16
);
437 static HFILE16
_lcreat16_uniq( LPCSTR path
, INT attr
)
439 /* Mask off all flags not explicitly allowed by the doc */
440 attr
&= FILE_ATTRIBUTE_READONLY
| FILE_ATTRIBUTE_HIDDEN
| FILE_ATTRIBUTE_SYSTEM
;
441 return FILE_AllocDosHandle( CreateFileA( path
, GENERIC_READ
| GENERIC_WRITE
,
442 FILE_SHARE_READ
| FILE_SHARE_WRITE
, NULL
,
443 CREATE_NEW
, attr
, -1 ));
446 static void OpenExistingFile( CONTEXT86
*context
)
448 AX_reg(context
) = _lopen16( CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
),EDX_reg(context
)),
450 if (AX_reg(context
) == (WORD
)HFILE_ERROR16
)
452 AX_reg(context
) = GetLastError();
457 static BOOL
INT21_ExtendedOpenCreateFile(CONTEXT86
*context
)
459 BOOL bExtendedError
= FALSE
;
460 BYTE action
= DL_reg(context
);
462 /* Shuffle arguments to call OpenExistingFile */
463 AL_reg(context
) = BL_reg(context
);
464 DX_reg(context
) = SI_reg(context
);
465 /* BX,CX and DX should be preserved */
466 OpenExistingFile(context
);
468 if ((EFL_reg(context
) & 0x0001) == 0) /* File exists */
470 UINT16 uReturnCX
= 0;
472 /* Now decide what do do */
474 if ((action
& 0x07) == 0)
476 _lclose16( AX_reg(context
) );
477 AX_reg(context
) = 0x0050; /*File exists*/
479 WARN("extended open/create: failed because file exists \n");
481 else if ((action
& 0x07) == 2)
483 /* Truncate it, but first check if opened for write */
484 if ((BL_reg(context
) & 0x0007)== 0)
486 _lclose16( AX_reg(context
) );
487 WARN("extended open/create: failed, trunc on ro file\n");
488 AX_reg(context
) = 0x000C; /*Access code invalid*/
493 TRACE("extended open/create: Closing before truncate\n");
494 if (_lclose16( AX_reg(context
) ))
496 WARN("extended open/create: close before trunc failed\n");
497 AX_reg(context
) = 0x0019; /*Seek Error*/
501 /* Shuffle arguments to call CreateFile */
503 TRACE("extended open/create: Truncating\n");
504 AL_reg(context
) = BL_reg(context
);
505 /* CX is still the same */
506 DX_reg(context
) = SI_reg(context
);
507 bExtendedError
= INT21_CreateFile(context
);
509 if (EFL_reg(context
) & 0x0001) /*no file open, flags set */
511 WARN("extended open/create: trunc failed\n");
512 return bExtendedError
;
517 else uReturnCX
= 0x1;
519 CX_reg(context
) = uReturnCX
;
521 else /* file does not exist */
523 RESET_CFLAG(context
); /* was set by OpenExistingFile(context) */
524 if ((action
& 0xF0)== 0)
528 WARN("extended open/create: failed, file dosen't exist\n");
532 /* Shuffle arguments to call CreateFile */
533 TRACE("extended open/create: Creating\n");
534 AL_reg(context
) = BL_reg(context
);
535 /* CX should still be the same */
536 DX_reg(context
) = SI_reg(context
);
537 bExtendedError
= INT21_CreateFile(context
);
538 if (EFL_reg(context
) & 0x0001) /*no file open, flags set */
540 WARN("extended open/create: create failed\n");
541 return bExtendedError
;
547 return bExtendedError
;
551 static BOOL
INT21_ChangeDir( CONTEXT86
*context
)
554 char *dirname
= CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
),EDX_reg(context
));
556 TRACE("changedir %s\n", dirname
);
557 if (dirname
[0] && (dirname
[1] == ':'))
559 drive
= toupper(dirname
[0]) - 'A';
562 else drive
= DRIVE_GetCurrentDrive();
563 return DRIVE_Chdir( drive
, dirname
);
567 static int INT21_FindFirst( CONTEXT86
*context
)
571 DOS_FULL_NAME full_name
;
572 FINDFILE_DTA
*dta
= (FINDFILE_DTA
*)GetCurrentDTA(context
);
574 path
= (const char *)CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
), EDX_reg(context
));
575 dta
->unixPath
= NULL
;
576 if (!DOSFS_GetFullName( path
, FALSE
, &full_name
))
578 AX_reg(context
) = GetLastError();
582 dta
->unixPath
= HEAP_strdupA( GetProcessHeap(), 0, full_name
.long_name
);
583 p
= strrchr( dta
->unixPath
, '/' );
586 /* Note: terminating NULL in dta->mask overwrites dta->search_attr
587 * (doesn't matter as it is set below anyway)
589 if (!DOSFS_ToDosFCBFormat( p
+ 1, dta
->mask
))
591 HeapFree( GetProcessHeap(), 0, dta
->unixPath
);
592 dta
->unixPath
= NULL
;
593 SetLastError( ERROR_FILE_NOT_FOUND
);
594 AX_reg(context
) = ERROR_FILE_NOT_FOUND
;
598 dta
->drive
= (path
[0] && (path
[1] == ':')) ? toupper(path
[0]) - 'A'
599 : DRIVE_GetCurrentDrive();
601 dta
->search_attr
= CL_reg(context
);
606 static int INT21_FindNext( CONTEXT86
*context
)
608 FINDFILE_DTA
*dta
= (FINDFILE_DTA
*)GetCurrentDTA(context
);
609 WIN32_FIND_DATAA entry
;
612 if (!dta
->unixPath
) return 0;
613 if (!(count
= DOSFS_FindNext( dta
->unixPath
, dta
->mask
, NULL
, dta
->drive
,
614 dta
->search_attr
, dta
->count
, &entry
)))
616 HeapFree( GetProcessHeap(), 0, dta
->unixPath
);
617 dta
->unixPath
= NULL
;
620 if ((int)dta
->count
+ count
> 0xffff)
622 WARN("Too many directory entries in %s\n", dta
->unixPath
);
623 HeapFree( GetProcessHeap(), 0, dta
->unixPath
);
624 dta
->unixPath
= NULL
;
628 dta
->fileattr
= entry
.dwFileAttributes
;
629 dta
->filesize
= entry
.nFileSizeLow
;
630 FileTimeToDosDateTime( &entry
.ftLastWriteTime
,
631 &dta
->filedate
, &dta
->filetime
);
632 strcpy( dta
->filename
, entry
.cAlternateFileName
);
633 if (!memchr(dta
->mask
,'?',11)) {
634 /* wildcardless search, release resources in case no findnext will
635 * be issued, and as a workaround in case file creation messes up
636 * findnext, as sometimes happens with pkunzip */
637 HeapFree( GetProcessHeap(), 0, dta
->unixPath
);
638 dta
->unixPath
= NULL
;
644 static BOOL
INT21_CreateTempFile( CONTEXT86
*context
)
646 static int counter
= 0;
647 char *name
= CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
), EDX_reg(context
) );
648 char *p
= name
+ strlen(name
);
650 /* despite what Ralf Brown says, some programs seem to call without
651 * ending backslash (DOS accepts that, so we accept it too) */
652 if ((p
== name
) || (p
[-1] != '\\')) *p
++ = '\\';
656 sprintf( p
, "wine%04x.%03d", (int)getpid(), counter
);
657 counter
= (counter
+ 1) % 1000;
659 if ((AX_reg(context
) = _lcreat16_uniq( name
, 0 )) != (WORD
)HFILE_ERROR16
)
661 TRACE("created %s\n", name
);
664 if (GetLastError() != ERROR_FILE_EXISTS
) return FALSE
;
669 static BOOL
INT21_GetCurrentDirectory( CONTEXT86
*context
)
671 int drive
= DOS_GET_DRIVE( DL_reg(context
) );
672 char *ptr
= (char *)CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
), ESI_reg(context
) );
674 if (!DRIVE_IsValid(drive
))
676 SetLastError( ERROR_INVALID_DRIVE
);
679 lstrcpynA( ptr
, DRIVE_GetDosCwd(drive
), 64 );
680 AX_reg(context
) = 0x0100; /* success return code */
685 static void INT21_GetDBCSLeadTable( CONTEXT86
*context
)
687 if (heap
|| INT21_CreateHeap())
688 { /* return an empty table just as DOS 4.0+ does */
689 DS_reg(context
) = DosHeapHandle
;
690 SI_reg(context
) = (int)&heap
->DummyDBCSLeadTable
- (int)heap
;
694 AX_reg(context
) = 0x1; /* error */
700 static int INT21_GetDiskSerialNumber( CONTEXT86
*context
)
702 BYTE
*dataptr
= CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
), EDX_reg(context
));
703 int drive
= DOS_GET_DRIVE( BL_reg(context
) );
705 if (!DRIVE_IsValid(drive
))
707 SetLastError( ERROR_INVALID_DRIVE
);
711 *(WORD
*)dataptr
= 0;
712 *(DWORD
*)(dataptr
+ 2) = DRIVE_GetSerialNumber( drive
);
713 memcpy( dataptr
+ 6, DRIVE_GetLabel( drive
), 11 );
714 strncpy(dataptr
+ 0x11, "FAT16 ", 8);
719 static int INT21_SetDiskSerialNumber( CONTEXT86
*context
)
721 BYTE
*dataptr
= CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
), EDX_reg(context
));
722 int drive
= DOS_GET_DRIVE( BL_reg(context
) );
724 if (!DRIVE_IsValid(drive
))
726 SetLastError( ERROR_INVALID_DRIVE
);
730 DRIVE_SetSerialNumber( drive
, *(DWORD
*)(dataptr
+ 2) );
735 /* microsoft's programmers should be shot for using CP/M style int21
736 calls in Windows for Workgroup's winfile.exe */
738 static int INT21_FindFirstFCB( CONTEXT86
*context
)
740 BYTE
*fcb
= (BYTE
*)CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
), EDX_reg(context
));
745 if (*fcb
== 0xff) pFCB
= (FINDFILE_FCB
*)(fcb
+ 7);
746 else pFCB
= (FINDFILE_FCB
*)fcb
;
747 drive
= DOS_GET_DRIVE( pFCB
->drive
);
748 if (!DRIVE_IsValid( drive
)) return 0;
749 root
= DRIVE_GetRoot( drive
);
750 cwd
= DRIVE_GetUnixCwd( drive
);
751 pFCB
->unixPath
= HeapAlloc( GetProcessHeap(), 0,
752 strlen(root
)+strlen(cwd
)+2 );
753 if (!pFCB
->unixPath
) return 0;
754 strcpy( pFCB
->unixPath
, root
);
755 strcat( pFCB
->unixPath
, "/" );
756 strcat( pFCB
->unixPath
, cwd
);
762 static int INT21_FindNextFCB( CONTEXT86
*context
)
764 BYTE
*fcb
= (BYTE
*)CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
), EDX_reg(context
));
766 DOS_DIRENTRY_LAYOUT
*pResult
= (DOS_DIRENTRY_LAYOUT
*)GetCurrentDTA(context
);
767 WIN32_FIND_DATAA entry
;
771 if (*fcb
== 0xff) /* extended FCB ? */
774 pFCB
= (FINDFILE_FCB
*)(fcb
+ 7);
779 pFCB
= (FINDFILE_FCB
*)fcb
;
782 if (!pFCB
->unixPath
) return 0;
783 if (!(count
= DOSFS_FindNext( pFCB
->unixPath
, pFCB
->filename
, NULL
,
784 DOS_GET_DRIVE( pFCB
->drive
), attr
,
785 pFCB
->count
, &entry
)))
787 HeapFree( GetProcessHeap(), 0, pFCB
->unixPath
);
788 pFCB
->unixPath
= NULL
;
791 pFCB
->count
+= count
;
793 if (*fcb
== 0xff) { /* place extended FCB header before pResult if called with extended FCB */
794 *(BYTE
*)pResult
= 0xff;
795 (BYTE
*)pResult
+=6; /* leave reserved field behind */
796 *(BYTE
*)pResult
= entry
.dwFileAttributes
;
799 *(BYTE
*)pResult
= DOS_GET_DRIVE( pFCB
->drive
); /* DOS_DIRENTRY_LAYOUT after current drive number */
801 pResult
->fileattr
= entry
.dwFileAttributes
;
802 pResult
->cluster
= 0; /* what else? */
803 pResult
->filesize
= entry
.nFileSizeLow
;
804 memset( pResult
->reserved
, 0, sizeof(pResult
->reserved
) );
805 FileTimeToDosDateTime( &entry
.ftLastWriteTime
,
806 &pResult
->filedate
, &pResult
->filetime
);
808 /* Convert file name to FCB format */
810 memset( pResult
->filename
, ' ', sizeof(pResult
->filename
) );
811 if (!strcmp( entry
.cAlternateFileName
, "." )) pResult
->filename
[0] = '.';
812 else if (!strcmp( entry
.cAlternateFileName
, ".." ))
813 pResult
->filename
[0] = pResult
->filename
[1] = '.';
816 char *p
= strrchr( entry
.cAlternateFileName
, '.' );
817 if (p
&& p
[1] && (p
!= entry
.cAlternateFileName
))
819 memcpy( pResult
->filename
, entry
.cAlternateFileName
,
820 MIN( (p
- entry
.cAlternateFileName
), 8 ) );
821 memcpy( pResult
->filename
+ 8, p
+ 1, MIN( strlen(p
), 3 ) );
824 memcpy( pResult
->filename
, entry
.cAlternateFileName
,
825 MIN( strlen(entry
.cAlternateFileName
), 8 ) );
831 static void DeleteFileFCB( CONTEXT86
*context
)
833 FIXME("(%p): stub\n", context
);
836 static void RenameFileFCB( CONTEXT86
*context
)
838 FIXME("(%p): stub\n", context
);
843 static void fLock( CONTEXT86
* context
)
846 switch ( AX_reg(context
) & 0xff )
848 case 0x00: /* LOCK */
849 TRACE("lock 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 (!LockFile(FILE_GetHandle(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
) = GetLastError();
861 case 0x01: /* UNLOCK */
862 TRACE("unlock handle %d offset %ld length %ld\n",
864 MAKELONG(DX_reg(context
),CX_reg(context
)),
865 MAKELONG(DI_reg(context
),SI_reg(context
))) ;
866 if (!UnlockFile(FILE_GetHandle(BX_reg(context
)),
867 MAKELONG(DX_reg(context
),CX_reg(context
)), 0,
868 MAKELONG(DI_reg(context
),SI_reg(context
)), 0)) {
869 AX_reg(context
) = GetLastError();
874 AX_reg(context
) = 0x0001;
881 INT21_networkfunc (CONTEXT86
*context
)
883 switch (AL_reg(context
)) {
884 case 0x00: /* Get machine name. */
886 char *dst
= CTX_SEG_OFF_TO_LIN (context
,DS_reg(context
),EDX_reg(context
));
887 TRACE("getting machine name to %p\n", dst
);
888 if (gethostname (dst
, 15))
891 SetLastError( ER_NoNetwork
);
894 int len
= strlen (dst
);
898 CH_reg(context
) = 1; /* Valid */
899 CL_reg(context
) = 1; /* NETbios number??? */
900 TRACE("returning %s\n", debugstr_an (dst
, 16));
906 SetLastError( ER_NoNetwork
);
911 static void INT21_SetCurrentPSP(WORD psp
)
914 TDB
*pTask
= (TDB
*)GlobalLock16( GetCurrentTask() );
915 NE_MODULE
*pModule
= pTask
? NE_GetPtr( pTask
->hModule
) : NULL
;
917 GlobalUnlock16( GetCurrentTask() );
918 if (pModule
->lpDosTask
)
919 pModule
->lpDosTask
->psp_seg
= psp
;
922 ERR("Cannot change PSP for non-DOS task!\n");
925 static WORD
INT21_GetCurrentPSP()
928 TDB
*pTask
= (TDB
*)GlobalLock16( GetCurrentTask() );
929 NE_MODULE
*pModule
= pTask
? NE_GetPtr( pTask
->hModule
) : NULL
;
931 GlobalUnlock16( GetCurrentTask() );
932 if (pModule
->lpDosTask
)
933 return pModule
->lpDosTask
->psp_seg
;
936 return GetCurrentPDB16();
940 /***********************************************************************
941 * INT21_GetExtendedError
943 static void INT21_GetExtendedError( CONTEXT86
*context
)
945 BYTE
class, action
, locus
;
946 WORD error
= GetLastError();
951 class = action
= locus
= 0;
953 case ERROR_DIR_NOT_EMPTY
:
958 case ERROR_ACCESS_DENIED
:
959 class = EC_AccessDenied
;
963 case ERROR_CANNOT_MAKE
:
964 class = EC_AccessDenied
;
968 case ERROR_DISK_FULL
:
969 case ERROR_HANDLE_DISK_FULL
:
970 class = EC_MediaError
;
974 case ERROR_FILE_EXISTS
:
975 case ERROR_ALREADY_EXISTS
:
980 case ERROR_FILE_NOT_FOUND
:
985 case ER_GeneralFailure
:
986 class = EC_SystemFailure
;
990 case ERROR_INVALID_DRIVE
:
991 class = EC_MediaError
;
995 case ERROR_INVALID_HANDLE
:
996 class = EC_ProgramError
;
1000 case ERROR_LOCK_VIOLATION
:
1001 class = EC_AccessDenied
;
1005 case ERROR_NO_MORE_FILES
:
1006 class = EC_MediaError
;
1011 class = EC_NotFound
;
1015 case ERROR_NOT_ENOUGH_MEMORY
:
1016 class = EC_OutOfResource
;
1020 case ERROR_PATH_NOT_FOUND
:
1021 class = EC_NotFound
;
1026 class = EC_NotFound
;
1030 case ERROR_SHARING_VIOLATION
:
1031 class = EC_Temporary
;
1035 case ERROR_TOO_MANY_OPEN_FILES
:
1036 class = EC_ProgramError
;
1041 FIXME("Unknown error %d\n", error
);
1042 class = EC_SystemFailure
;
1047 TRACE("GET EXTENDED ERROR code 0x%02x class 0x%02x action 0x%02x locus %02x\n",
1048 error
, class, action
, locus
);
1049 AX_reg(context
) = error
;
1050 BH_reg(context
) = class;
1051 BL_reg(context
) = action
;
1052 CH_reg(context
) = locus
;
1055 /***********************************************************************
1056 * DOS3Call (KERNEL.102)
1058 void WINAPI
DOS3Call( CONTEXT86
*context
)
1060 BOOL bSetDOSExtendedError
= FALSE
;
1063 TRACE("AX=%04x BX=%04x CX=%04x DX=%04x "
1064 "SI=%04x DI=%04x DS=%04x ES=%04x EFL=%08lx\n",
1065 AX_reg(context
), BX_reg(context
), CX_reg(context
), DX_reg(context
),
1066 SI_reg(context
), DI_reg(context
),
1067 (WORD
)DS_reg(context
), (WORD
)ES_reg(context
),
1071 if (AH_reg(context
) == 0x59) /* Get extended error info */
1073 INT21_GetExtendedError( context
);
1077 if (AH_reg(context
) == 0x0C) /* Flush buffer and read standard input */
1079 TRACE("FLUSH BUFFER AND READ STANDARD INPUT\n");
1080 /* no flush here yet */
1081 AH_reg(context
) = AL_reg(context
);
1084 if (AH_reg(context
)>=0x2f) {
1085 /* extended error is used by (at least) functions 0x2f to 0x62 */
1088 RESET_CFLAG(context
); /* Not sure if this is a good idea */
1090 switch(AH_reg(context
))
1092 case 0x03: /* READ CHARACTER FROM STDAUX */
1093 case 0x04: /* WRITE CHARACTER TO STDAUX */
1094 case 0x05: /* WRITE CHARACTER TO PRINTER */
1095 case 0x0f: /* OPEN FILE USING FCB */
1096 case 0x10: /* CLOSE FILE USING FCB */
1097 case 0x14: /* SEQUENTIAL READ FROM FCB FILE */
1098 case 0x15: /* SEQUENTIAL WRITE TO FCB FILE */
1099 case 0x16: /* CREATE OR TRUNCATE FILE USING FCB */
1100 case 0x21: /* READ RANDOM RECORD FROM FCB FILE */
1101 case 0x22: /* WRITE RANDOM RECORD TO FCB FILE */
1102 case 0x23: /* GET FILE SIZE FOR FCB */
1103 case 0x24: /* SET RANDOM RECORD NUMBER FOR FCB */
1104 case 0x26: /* CREATE NEW PROGRAM SEGMENT PREFIX */
1105 case 0x27: /* RANDOM BLOCK READ FROM FCB FILE */
1106 case 0x28: /* RANDOM BLOCK WRITE TO FCB FILE */
1107 INT_BARF( context
, 0x21 );
1110 case 0x00: /* TERMINATE PROGRAM */
1111 TRACE("TERMINATE PROGRAM\n");
1115 case 0x01: /* READ CHARACTER FROM STANDARD INPUT, WITH ECHO */
1116 TRACE("DIRECT CHARACTER INPUT WITH ECHO\n");
1117 AL_reg(context
) = CONSOLE_GetCharacter();
1118 /* FIXME: no echo */
1121 case 0x02: /* WRITE CHARACTER TO STANDARD OUTPUT */
1122 TRACE("Write Character to Standard Output\n");
1123 CONSOLE_Write(DL_reg(context
), 0, 0, 0);
1126 case 0x06: /* DIRECT CONSOLE IN/OUTPUT */
1127 if (DL_reg(context
) == 0xff) {
1128 static char scan
= 0;
1129 TRACE("Direct Console Input\n");
1131 /* return pending scancode */
1132 AL_reg(context
) = scan
;
1133 EFL_reg(context
) &= ~0x40; /* clear ZF */
1137 if (CONSOLE_CheckForKeystroke(&scan
,&ascii
)) {
1138 CONSOLE_GetKeystroke(&scan
,&ascii
);
1139 /* return ASCII code */
1140 AL_reg(context
) = ascii
;
1141 EFL_reg(context
) &= ~0x40; /* clear ZF */
1142 /* return scan code on next call only if ascii==0 */
1143 if (ascii
) scan
= 0;
1145 /* nothing pending, clear everything */
1146 AL_reg(context
) = 0;
1147 EFL_reg(context
) |= 0x40; /* set ZF */
1148 scan
= 0; /* just in case */
1152 TRACE("Direct Console Output\n");
1153 CONSOLE_Write(DL_reg(context
), 0, 0, 0);
1157 case 0x07: /* DIRECT CHARACTER INPUT WITHOUT ECHO */
1158 TRACE("DIRECT CHARACTER INPUT WITHOUT ECHO\n");
1159 AL_reg(context
) = CONSOLE_GetCharacter();
1162 case 0x08: /* CHARACTER INPUT WITHOUT ECHO */
1163 TRACE("CHARACTER INPUT WITHOUT ECHO\n");
1164 AL_reg(context
) = CONSOLE_GetCharacter();
1167 case 0x09: /* WRITE STRING TO STANDARD OUTPUT */
1168 TRACE("WRITE '$'-terminated string from %04lX:%04X to stdout\n",
1169 DS_reg(context
),DX_reg(context
) );
1171 LPSTR data
= CTX_SEG_OFF_TO_LIN(context
,DS_reg(context
),EDX_reg(context
));
1173 /* do NOT use strchr() to calculate the string length,
1174 as '\0' is valid string content, too !
1175 Maybe we should check for non-'$' strings, but DOS doesn't. */
1176 while (*p
!= '$') p
++;
1177 _hwrite16( 1, data
, (int)p
- (int)data
);
1178 AL_reg(context
) = '$'; /* yes, '$' (0x24) gets returned in AL */
1182 case 0x0a: /* BUFFERED INPUT */
1184 char *buffer
= ((char *)CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
),
1185 EDX_reg(context
) ));
1188 TRACE("BUFFERED INPUT (size=%d)\n",buffer
[0]);
1190 TRACE("Handle old chars in buffer!\n");
1191 res
=_lread16( 0, buffer
+2,buffer
[0]);
1193 if(buffer
[res
+1] == '\n')
1194 buffer
[res
+1] = '\r';
1198 case 0x0b: {/* GET STDIN STATUS */
1201 if (CONSOLE_CheckForKeystroke(&x1
,&x2
))
1202 AL_reg(context
) = 0xff;
1204 AL_reg(context
) = 0;
1207 case 0x2e: /* SET VERIFY FLAG */
1208 TRACE("SET VERIFY FLAG ignored\n");
1209 /* we cannot change the behaviour anyway, so just ignore it */
1212 case 0x18: /* NULL FUNCTIONS FOR CP/M COMPATIBILITY */
1216 case 0x6b: /* NULL FUNCTION */
1217 AL_reg(context
) = 0;
1220 case 0x5c: /* "FLOCK" - RECORD LOCKING */
1224 case 0x0d: /* DISK BUFFER FLUSH */
1225 TRACE("DISK BUFFER FLUSH ignored\n");
1226 RESET_CFLAG(context
); /* dos 6+ only */
1229 case 0x0e: /* SELECT DEFAULT DRIVE */
1230 TRACE("SELECT DEFAULT DRIVE %d\n", DL_reg(context
));
1231 DRIVE_SetCurrentDrive( DL_reg(context
) );
1232 AL_reg(context
) = MAX_DOS_DRIVES
;
1235 case 0x11: /* FIND FIRST MATCHING FILE USING FCB */
1236 TRACE("FIND FIRST MATCHING FILE USING FCB %p\n",
1237 CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
), EDX_reg(context
)));
1238 if (!INT21_FindFirstFCB(context
))
1240 AL_reg(context
) = 0xff;
1243 /* else fall through */
1245 case 0x12: /* FIND NEXT MATCHING FILE USING FCB */
1246 AL_reg(context
) = INT21_FindNextFCB(context
) ? 0x00 : 0xff;
1249 case 0x13: /* DELETE FILE USING FCB */
1250 DeleteFileFCB(context
);
1253 case 0x17: /* RENAME FILE USING FCB */
1254 RenameFileFCB(context
);
1257 case 0x19: /* GET CURRENT DEFAULT DRIVE */
1258 AL_reg(context
) = DRIVE_GetCurrentDrive();
1261 case 0x1a: /* SET DISK TRANSFER AREA ADDRESS */
1263 TDB
*pTask
= (TDB
*)GlobalLock16( GetCurrentTask() );
1264 pTask
->dta
= PTR_SEG_OFF_TO_SEGPTR(DS_reg(context
),DX_reg(context
));
1265 TRACE("Set DTA: %08lx\n", pTask
->dta
);
1269 case 0x1b: /* GET ALLOCATION INFORMATION FOR DEFAULT DRIVE */
1270 DL_reg(context
) = 0;
1271 if (!INT21_GetDriveAllocInfo(context
)) AX_reg(context
) = 0xffff;
1274 case 0x1c: /* GET ALLOCATION INFORMATION FOR SPECIFIC DRIVE */
1275 if (!INT21_GetDriveAllocInfo(context
)) AX_reg(context
) = 0xffff;
1278 case 0x1f: /* GET DRIVE PARAMETER BLOCK FOR DEFAULT DRIVE */
1279 GetDrivePB(context
, DRIVE_GetCurrentDrive());
1282 case 0x25: /* SET INTERRUPT VECTOR */
1283 INT_CtxSetHandler( context
, AL_reg(context
),
1284 (FARPROC16
)PTR_SEG_OFF_TO_SEGPTR( DS_reg(context
),
1288 case 0x29: /* PARSE FILENAME INTO FCB */
1289 INT21_ParseFileNameIntoFCB(context
);
1292 case 0x2a: /* GET SYSTEM DATE */
1293 INT21_GetSystemDate(context
);
1296 case 0x2b: /* SET SYSTEM DATE */
1297 FIXME("SetSystemDate(%02d/%02d/%04d): not allowed\n",
1298 DL_reg(context
), DH_reg(context
), CX_reg(context
) );
1299 AL_reg(context
) = 0; /* Let's pretend we succeeded */
1302 case 0x2c: /* GET SYSTEM TIME */
1303 INT21_GetSystemTime(context
);
1306 case 0x2d: /* SET SYSTEM TIME */
1307 FIXME("SetSystemTime(%02d:%02d:%02d.%02d): not allowed\n",
1308 CH_reg(context
), CL_reg(context
),
1309 DH_reg(context
), DL_reg(context
) );
1310 AL_reg(context
) = 0; /* Let's pretend we succeeded */
1313 case 0x2f: /* GET DISK TRANSFER AREA ADDRESS */
1314 TRACE("GET DISK TRANSFER AREA ADDRESS\n");
1316 TDB
*pTask
= (TDB
*)GlobalLock16( GetCurrentTask() );
1317 ES_reg(context
) = SELECTOROF( pTask
->dta
);
1318 BX_reg(context
) = OFFSETOF( pTask
->dta
);
1322 case 0x30: /* GET DOS VERSION */
1323 TRACE("GET DOS VERSION %s requested\n",
1324 (AL_reg(context
) == 0x00)?"OEM number":"version flag");
1325 AX_reg(context
) = (HIWORD(GetVersion16()) >> 8) |
1326 (HIWORD(GetVersion16()) << 8);
1328 AH_reg(context
) = 0x7;
1329 AL_reg(context
) = 0xA;
1332 BX_reg(context
) = 0x00FF; /* 0x123456 is Wine's serial # */
1333 CX_reg(context
) = 0x0000;
1336 case 0x31: /* TERMINATE AND STAY RESIDENT */
1337 FIXME("TERMINATE AND STAY RESIDENT stub\n");
1340 case 0x32: /* GET DOS DRIVE PARAMETER BLOCK FOR SPECIFIC DRIVE */
1341 TRACE("GET DOS DRIVE PARAMETER BLOCK FOR DRIVE %s\n",
1342 INT21_DriveName( DL_reg(context
)));
1343 GetDrivePB(context
, DOS_GET_DRIVE( DL_reg(context
) ) );
1346 case 0x33: /* MULTIPLEXED */
1347 switch (AL_reg(context
))
1349 case 0x00: /* GET CURRENT EXTENDED BREAK STATE */
1350 TRACE("GET CURRENT EXTENDED BREAK STATE\n");
1351 DL_reg(context
) = DOSCONF_config
.brk_flag
;
1354 case 0x01: /* SET EXTENDED BREAK STATE */
1355 TRACE("SET CURRENT EXTENDED BREAK STATE\n");
1356 DOSCONF_config
.brk_flag
= (DL_reg(context
) > 0);
1359 case 0x02: /* GET AND SET EXTENDED CONTROL-BREAK CHECKING STATE*/
1360 TRACE("GET AND SET EXTENDED CONTROL-BREAK CHECKING STATE\n");
1361 /* ugly coding in order to stay reentrant */
1362 if (DL_reg(context
))
1364 DL_reg(context
) = DOSCONF_config
.brk_flag
;
1365 DOSCONF_config
.brk_flag
= 1;
1369 DL_reg(context
) = DOSCONF_config
.brk_flag
;
1370 DOSCONF_config
.brk_flag
= 0;
1374 case 0x05: /* GET BOOT DRIVE */
1375 TRACE("GET BOOT DRIVE\n");
1376 DL_reg(context
) = 3;
1377 /* c: is Wine's bootdrive (a: is 1)*/
1380 case 0x06: /* GET TRUE VERSION NUMBER */
1381 TRACE("GET TRUE VERSION NUMBER\n");
1382 BX_reg(context
) = (HIWORD(GetVersion16() >> 8)) |
1383 (HIWORD(GetVersion16() << 8));
1384 DX_reg(context
) = 0x00;
1388 INT_BARF( context
, 0x21 );
1393 case 0x34: /* GET ADDRESS OF INDOS FLAG */
1394 TRACE("GET ADDRESS OF INDOS FLAG\n");
1395 if (!heap
) INT21_CreateHeap();
1396 ES_reg(context
) = DosHeapHandle
;
1397 BX_reg(context
) = (int)&heap
->InDosFlag
- (int)heap
;
1400 case 0x35: /* GET INTERRUPT VECTOR */
1401 TRACE("GET INTERRUPT VECTOR 0x%02x\n",AL_reg(context
));
1403 FARPROC16 addr
= INT_CtxGetHandler( context
, AL_reg(context
) );
1404 ES_reg(context
) = SELECTOROF(addr
);
1405 BX_reg(context
) = OFFSETOF(addr
);
1409 case 0x36: /* GET FREE DISK SPACE */
1410 TRACE("GET FREE DISK SPACE FOR DRIVE %s\n",
1411 INT21_DriveName( DL_reg(context
)));
1412 if (!INT21_GetFreeDiskSpace(context
)) AX_reg(context
) = 0xffff;
1417 unsigned char switchchar
='/';
1418 switch (AL_reg(context
))
1420 case 0x00: /* "SWITCHAR" - GET SWITCH CHARACTER */
1421 TRACE("SWITCHAR - GET SWITCH CHARACTER\n");
1422 AL_reg(context
) = 0x00; /* success*/
1423 DL_reg(context
) = switchchar
;
1425 case 0x01: /*"SWITCHAR" - SET SWITCH CHARACTER*/
1426 TRACE("SWITCHAR - SET SWITCH CHARACTER\n");
1427 switchchar
= DL_reg(context
);
1428 AL_reg(context
) = 0x00; /* success*/
1430 default: /*"AVAILDEV" - SPECIFY \DEV\ PREFIX USE*/
1431 INT_BARF( context
, 0x21 );
1437 case 0x38: /* GET COUNTRY-SPECIFIC INFORMATION */
1438 TRACE("GET COUNTRY-SPECIFIC INFORMATION for country 0x%02x\n",
1440 AX_reg(context
) = 0x02; /* no country support available */
1444 case 0x39: /* "MKDIR" - CREATE SUBDIRECTORY */
1446 (LPCSTR
)CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
), EDX_reg(context
)));
1447 bSetDOSExtendedError
= (!CreateDirectory16( CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
),
1448 EDX_reg(context
) ), NULL
));
1449 /* FIXME: CreateDirectory's LastErrors will clash with the ones
1450 * used by dos. AH=39 only returns 3 (path not found) and 5 (access
1451 * denied), while CreateDirectory return several ones. remap some of
1454 if (bSetDOSExtendedError
) {
1455 switch (GetLastError()) {
1456 case ERROR_ALREADY_EXISTS
:
1457 case ERROR_FILENAME_EXCED_RANGE
:
1458 case ERROR_DISK_FULL
:
1459 SetLastError(ERROR_ACCESS_DENIED
);
1466 case 0x3a: /* "RMDIR" - REMOVE SUBDIRECTORY */
1468 (LPCSTR
)CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
), EDX_reg(context
)));
1469 bSetDOSExtendedError
= (!RemoveDirectory16( CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
),
1470 EDX_reg(context
) )));
1473 case 0x3b: /* "CHDIR" - SET CURRENT DIRECTORY */
1475 (LPCSTR
)CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
), EDX_reg(context
)));
1476 bSetDOSExtendedError
= !INT21_ChangeDir(context
);
1479 case 0x3c: /* "CREAT" - CREATE OR TRUNCATE FILE */
1480 TRACE("CREAT flag 0x%02x %s\n",CX_reg(context
),
1481 (LPCSTR
)CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
), EDX_reg(context
)));
1482 bSetDOSExtendedError
= INT21_CreateFile( context
);
1485 case 0x3d: /* "OPEN" - OPEN EXISTING FILE */
1486 TRACE("OPEN mode 0x%02x %s\n",AL_reg(context
),
1487 (LPCSTR
)CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
), EDX_reg(context
)));
1488 OpenExistingFile(context
);
1491 case 0x3e: /* "CLOSE" - CLOSE FILE */
1492 TRACE("CLOSE handle %d\n",BX_reg(context
));
1493 bSetDOSExtendedError
= ((AX_reg(context
) = _lclose16( BX_reg(context
) )) != 0);
1496 case 0x3f: /* "READ" - READ FROM FILE OR DEVICE */
1497 TRACE("READ from %d to %04lX:%04X for %d byte\n",BX_reg(context
),
1498 DS_reg(context
),DX_reg(context
),CX_reg(context
) );
1502 result
= _hread16( BX_reg(context
),
1503 CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
),
1507 result
= WIN16_hread( BX_reg(context
),
1508 PTR_SEG_OFF_TO_SEGPTR( DS_reg(context
),
1511 if (result
== -1) bSetDOSExtendedError
= TRUE
;
1512 else AX_reg(context
) = (WORD
)result
;
1516 case 0x40: /* "WRITE" - WRITE TO FILE OR DEVICE */
1517 TRACE("WRITE from %04lX:%04X to handle %d for %d byte\n",
1518 DS_reg(context
),DX_reg(context
),BX_reg(context
),CX_reg(context
) );
1520 LONG result
= _hwrite16( BX_reg(context
),
1521 CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
),
1524 if (result
== -1) bSetDOSExtendedError
= TRUE
;
1525 else AX_reg(context
) = (WORD
)result
;
1529 case 0x41: /* "UNLINK" - DELETE FILE */
1531 (LPCSTR
)CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
), EDX_reg(context
)));
1532 bSetDOSExtendedError
= (!DeleteFileA( CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
),
1533 EDX_reg(context
) )));
1536 case 0x42: /* "LSEEK" - SET CURRENT FILE POSITION */
1537 TRACE("LSEEK handle %d offset %ld from %s\n",
1538 BX_reg(context
), MAKELONG(DX_reg(context
),CX_reg(context
)),
1539 (AL_reg(context
)==0)?"start of file":(AL_reg(context
)==1)?
1540 "current file position":"end of file");
1542 LONG status
= _llseek16( BX_reg(context
),
1543 MAKELONG(DX_reg(context
),CX_reg(context
)),
1545 if (status
== -1) bSetDOSExtendedError
= TRUE
;
1548 AX_reg(context
) = LOWORD(status
);
1549 DX_reg(context
) = HIWORD(status
);
1554 case 0x43: /* FILE ATTRIBUTES */
1555 switch (AL_reg(context
))
1558 TRACE("GET FILE ATTRIBUTES for %s\n",
1559 (LPCSTR
)CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
), EDX_reg(context
)));
1560 AX_reg(context
) = (WORD
)GetFileAttributesA(
1561 CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
),
1563 if (AX_reg(context
) == 0xffff) bSetDOSExtendedError
= TRUE
;
1564 else CX_reg(context
) = AX_reg(context
);
1568 TRACE("SET FILE ATTRIBUTES 0x%02x for %s\n", CX_reg(context
),
1569 (LPCSTR
)CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
), EDX_reg(context
)));
1570 bSetDOSExtendedError
=
1571 (!SetFileAttributesA( CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
),
1576 TRACE("GET COMPRESSED FILE SIZE for %s stub\n",
1577 (LPCSTR
)CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
), EDX_reg(context
)));
1581 case 0x44: /* IOCTL */
1582 switch (AL_reg(context
))
1585 ioctlGetDeviceInfo(context
);
1591 const DOS_DEVICE
*dev
;
1592 if ((dev
= DOSFS_GetDeviceByHandle( FILE_GetHandle(BX_reg(context
)) )) &&
1593 !strcasecmp( dev
->name
, "SCSIMGR$" ))
1595 ASPI_DOS_HandleInt(context
);
1599 case 0x05:{ /* IOCTL - WRITE TO BLOCK DEVICE CONTROL CHANNEL */
1600 /*BYTE *dataptr = CTX_SEG_OFF_TO_LIN(context, DS_reg(context),EDX_reg(context));*/
1601 int drive
= DOS_GET_DRIVE(BL_reg(context
));
1603 FIXME("program tried to write to block device control channel of drive %d:\n",drive
);
1604 /* for (i=0;i<CX_reg(context);i++)
1605 fprintf(stdnimp,"%02x ",dataptr[i]);
1606 fprintf(stdnimp,"\n");*/
1607 AX_reg(context
)=CX_reg(context
);
1610 case 0x08: /* Check if drive is removable. */
1611 TRACE("IOCTL - CHECK IF BLOCK DEVICE REMOVABLE for drive %s\n",
1612 INT21_DriveName( BL_reg(context
)));
1613 switch(GetDriveType16( DOS_GET_DRIVE( BL_reg(context
) )))
1615 case DRIVE_CANNOTDETERMINE
:
1616 SetLastError( ERROR_INVALID_DRIVE
);
1617 AX_reg(context
) = ERROR_INVALID_DRIVE
;
1620 case DRIVE_REMOVABLE
:
1621 AX_reg(context
) = 0; /* removable */
1624 AX_reg(context
) = 1; /* not removable */
1629 case 0x09: /* CHECK IF BLOCK DEVICE REMOTE */
1630 TRACE("IOCTL - CHECK IF BLOCK DEVICE REMOTE for drive %s\n",
1631 INT21_DriveName( BL_reg(context
)));
1632 switch(GetDriveType16( DOS_GET_DRIVE( BL_reg(context
) )))
1634 case DRIVE_CANNOTDETERMINE
:
1635 SetLastError( ERROR_INVALID_DRIVE
);
1636 AX_reg(context
) = ERROR_INVALID_DRIVE
;
1640 DX_reg(context
) = (1<<9) | (1<<12); /* remote */
1643 DX_reg(context
) = 0; /* FIXME: use driver attr here */
1648 case 0x0a: /* check if handle (BX) is remote */
1649 TRACE("IOCTL - CHECK IF HANDLE %d IS REMOTE\n",BX_reg(context
));
1650 /* returns DX, bit 15 set if remote, bit 14 set if date/time
1653 DX_reg(context
) = 0;
1656 case 0x0b: /* SET SHARING RETRY COUNT */
1657 TRACE("IOCTL - SET SHARING RETRY COUNT pause %d retries %d\n",
1658 CX_reg(context
), DX_reg(context
));
1659 if (!CX_reg(context
))
1661 AX_reg(context
) = 1;
1665 DOSMEM_LOL()->sharing_retry_delay
= CX_reg(context
);
1666 if (!DX_reg(context
))
1667 DOSMEM_LOL()->sharing_retry_count
= DX_reg(context
);
1668 RESET_CFLAG(context
);
1672 TRACE("IOCTL - GENERIC BLOCK DEVICE REQUEST %s\n",
1673 INT21_DriveName( BL_reg(context
)));
1674 bSetDOSExtendedError
= ioctlGenericBlkDevReq(context
);
1677 case 0x0e: /* get logical drive mapping */
1678 TRACE("IOCTL - GET LOGICAL DRIVE MAP for drive %s\n",
1679 INT21_DriveName( BL_reg(context
)));
1680 AL_reg(context
) = 0; /* drive has no mapping - FIXME: may be wrong*/
1683 case 0x0F: /* Set logical drive mapping */
1686 TRACE("IOCTL - SET LOGICAL DRIVE MAP for drive %s\n",
1687 INT21_DriveName( BL_reg(context
)));
1688 drive
= DOS_GET_DRIVE ( BL_reg(context
) );
1689 if ( ! DRIVE_SetLogicalMapping ( drive
, drive
+1 ) )
1692 AX_reg(context
) = 0x000F; /* invalid drive */
1697 case 0xe0: /* Sun PC-NFS API */
1702 INT_BARF( context
, 0x21 );
1707 case 0x45: /* "DUP" - DUPLICATE FILE HANDLE */
1710 TRACE("DUP - DUPLICATE FILE HANDLE %d\n",BX_reg(context
));
1711 if ((bSetDOSExtendedError
= !DuplicateHandle( GetCurrentProcess(),
1712 FILE_GetHandle(BX_reg(context
)),
1713 GetCurrentProcess(), &handle
,
1714 0, TRUE
, DUPLICATE_SAME_ACCESS
)))
1715 AX_reg(context
) = HFILE_ERROR16
;
1717 AX_reg(context
) = FILE_AllocDosHandle(handle
);
1721 case 0x46: /* "DUP2", "FORCEDUP" - FORCE DUPLICATE FILE HANDLE */
1722 TRACE("FORCEDUP - FORCE DUPLICATE FILE HANDLE %d to %d\n",
1723 BX_reg(context
),CX_reg(context
));
1724 bSetDOSExtendedError
= (FILE_Dup2( BX_reg(context
), CX_reg(context
) ) == HFILE_ERROR16
);
1727 case 0x47: /* "CWD" - GET CURRENT DIRECTORY */
1728 TRACE("CWD - GET CURRENT DIRECTORY for drive %s\n",
1729 INT21_DriveName( DL_reg(context
)));
1730 bSetDOSExtendedError
= !INT21_GetCurrentDirectory(context
);
1733 case 0x48: /* ALLOCATE MEMORY */
1734 TRACE("ALLOCATE MEMORY for %d paragraphs\n", BX_reg(context
));
1739 mem
= DOSMEM_GetBlock(0,(DWORD
)BX_reg(context
)<<4,NULL
);
1741 AX_reg(context
) = DOSMEM_MapLinearToDos(mem
)>>4;
1745 mem
= (LPVOID
)GlobalDOSAlloc16(BX_reg(context
)<<4);
1747 AX_reg(context
) = (DWORD
)mem
&0xffff;
1752 AX_reg(context
) = 0x0008; /* insufficient memory */
1753 BX_reg(context
) = DOSMEM_Available(0)>>4;
1758 case 0x49: /* FREE MEMORY */
1759 TRACE("FREE MEMORY segment %04lX\n", ES_reg(context
));
1763 ret
= DOSMEM_FreeBlock(0,DOSMEM_MapDosToLinear(ES_reg(context
)<<4));
1766 ret
= !GlobalDOSFree16(ES_reg(context
));
1767 /* If we don't reset ES_reg, we will fail in the relay code */
1768 ES_reg(context
)=ret
;
1772 TRACE("FREE MEMORY failed\n");
1774 AX_reg(context
) = 0x0009; /* memory block address invalid */
1779 case 0x4a: /* RESIZE MEMORY BLOCK */
1780 TRACE("RESIZE MEMORY segment %04lX to %d paragraphs\n", ES_reg(context
), BX_reg(context
));
1781 if (!ISV86(context
))
1782 FIXME("RESIZE MEMORY probably insufficient implementation. Expect crash soon\n");
1784 LPVOID
*mem
= DOSMEM_ResizeBlock(0,DOSMEM_MapDosToLinear(ES_reg(context
)<<4),
1785 BX_reg(context
)<<4,NULL
);
1787 AX_reg(context
) = DOSMEM_MapLinearToDos(mem
)>>4;
1790 AX_reg(context
) = 0x0008; /* insufficient memory */
1791 BX_reg(context
) = DOSMEM_Available(0)>>4; /* not quite right */
1796 case 0x4b: /* "EXEC" - LOAD AND/OR EXECUTE PROGRAM */
1798 (LPCSTR
)CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
),EDX_reg(context
) ));
1799 AX_reg(context
) = WinExec16( CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
),
1802 if (AX_reg(context
) < 32) SET_CFLAG(context
);
1805 case 0x4c: /* "EXIT" - TERMINATE WITH RETURN CODE */
1806 TRACE("EXIT with return code %d\n",AL_reg(context
));
1807 ExitProcess( AL_reg(context
) );
1810 case 0x4d: /* GET RETURN CODE */
1811 TRACE("GET RETURN CODE (ERRORLEVEL)\n");
1812 AX_reg(context
) = 0; /* normal exit */
1815 case 0x4e: /* "FINDFIRST" - FIND FIRST MATCHING FILE */
1816 TRACE("FINDFIRST mask 0x%04x spec %s\n",CX_reg(context
),
1817 (LPCSTR
)CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
), EDX_reg(context
)));
1818 if (!INT21_FindFirst(context
)) break;
1821 case 0x4f: /* "FINDNEXT" - FIND NEXT MATCHING FILE */
1822 TRACE("FINDNEXT\n");
1823 if (!INT21_FindNext(context
))
1825 SetLastError( ERROR_NO_MORE_FILES
);
1826 AX_reg(context
) = ERROR_NO_MORE_FILES
;
1829 else AX_reg(context
) = 0; /* OK */
1831 case 0x50: /* SET CURRENT PROCESS ID (SET PSP ADDRESS) */
1832 TRACE("SET CURRENT PROCESS ID (SET PSP ADDRESS)\n");
1833 INT21_SetCurrentPSP(BX_reg(context
));
1835 case 0x51: /* GET PSP ADDRESS */
1836 TRACE("GET CURRENT PROCESS ID (GET PSP ADDRESS)\n");
1837 /* FIXME: should we return the original DOS PSP upon */
1838 /* Windows startup ? */
1839 BX_reg(context
) = INT21_GetCurrentPSP();
1841 case 0x62: /* GET PSP ADDRESS */
1842 TRACE("GET CURRENT PSP ADDRESS\n");
1843 /* FIXME: should we return the original DOS PSP upon */
1844 /* Windows startup ? */
1845 BX_reg(context
) = INT21_GetCurrentPSP();
1848 case 0x52: /* "SYSVARS" - GET LIST OF LISTS */
1849 TRACE("SYSVARS - GET LIST OF LISTS\n");
1851 ES_reg(context
) = ISV86(context
) ? HIWORD(DOS_LOLSeg
) : LOWORD(DOS_LOLSeg
);
1852 BX_reg(context
) = FIELD_OFFSET(DOS_LISTOFLISTS
, ptr_first_DPB
);
1856 case 0x54: /* Get Verify Flag */
1857 TRACE("Get Verify Flag - Not Supported\n");
1858 AL_reg(context
) = 0x00; /* pretend we can tell. 00h = off 01h = on */
1861 case 0x56: /* "RENAME" - RENAME FILE */
1862 TRACE("RENAME %s to %s\n",
1863 (LPCSTR
)CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
),EDX_reg(context
)),
1864 (LPCSTR
)CTX_SEG_OFF_TO_LIN(context
, ES_reg(context
),EDI_reg(context
)));
1865 bSetDOSExtendedError
=
1866 (!MoveFileA( CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
),EDX_reg(context
)),
1867 CTX_SEG_OFF_TO_LIN(context
, ES_reg(context
),EDI_reg(context
))));
1870 case 0x57: /* FILE DATE AND TIME */
1871 switch (AL_reg(context
))
1873 case 0x00: /* Get */
1876 TRACE("GET FILE DATE AND TIME for handle %d\n",
1878 if (!GetFileTime( FILE_GetHandle(BX_reg(context
)), NULL
, NULL
, &filetime
))
1879 bSetDOSExtendedError
= TRUE
;
1880 else FileTimeToDosDateTime( &filetime
, &DX_reg(context
),
1885 case 0x01: /* Set */
1888 TRACE("SET FILE DATE AND TIME for handle %d\n",
1890 DosDateTimeToFileTime( DX_reg(context
), CX_reg(context
),
1892 bSetDOSExtendedError
=
1893 (!SetFileTime( FILE_GetHandle(BX_reg(context
)),
1894 NULL
, NULL
, &filetime
));
1900 case 0x58: /* GET OR SET MEMORY/UMB ALLOCATION STRATEGY */
1901 TRACE("GET OR SET MEMORY/UMB ALLOCATION STRATEGY subfunction %d\n",
1903 switch (AL_reg(context
))
1906 AX_reg(context
) = 1;
1909 AX_reg(context
) = 0;
1915 RESET_CFLAG(context
);
1918 case 0x5a: /* CREATE TEMPORARY FILE */
1919 TRACE("CREATE TEMPORARY FILE\n");
1920 bSetDOSExtendedError
= !INT21_CreateTempFile(context
);
1923 case 0x5b: /* CREATE NEW FILE */
1924 TRACE("CREATE NEW FILE 0x%02x for %s\n", CX_reg(context
),
1925 (LPCSTR
)CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
), EDX_reg(context
)));
1926 bSetDOSExtendedError
= ((AX_reg(context
) =
1927 _lcreat16_uniq( CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
),EDX_reg(context
)),
1928 CX_reg(context
) )) == (WORD
)HFILE_ERROR16
);
1931 case 0x5d: /* NETWORK */
1932 FIXME("Function 0x%04x not implemented.\n", AX_reg (context
));
1933 /* Fix the following while you're at it. */
1934 SetLastError( ER_NoNetwork
);
1935 bSetDOSExtendedError
= TRUE
;
1939 bSetDOSExtendedError
= INT21_networkfunc (context
);
1942 case 0x5f: /* NETWORK */
1943 switch (AL_reg(context
))
1945 case 0x07: /* ENABLE DRIVE */
1946 TRACE("ENABLE DRIVE %c:\n",(DL_reg(context
)+'A'));
1947 if (!DRIVE_Enable( DL_reg(context
) ))
1949 SetLastError( ERROR_INVALID_DRIVE
);
1950 bSetDOSExtendedError
= TRUE
;
1954 case 0x08: /* DISABLE DRIVE */
1955 TRACE("DISABLE DRIVE %c:\n",(DL_reg(context
)+'A'));
1956 if (!DRIVE_Disable( DL_reg(context
) ))
1958 SetLastError( ERROR_INVALID_DRIVE
);
1959 bSetDOSExtendedError
= TRUE
;
1964 /* network software not installed */
1965 TRACE("NETWORK function AX=%04x not implemented\n",AX_reg(context
));
1966 SetLastError( ER_NoNetwork
);
1967 bSetDOSExtendedError
= TRUE
;
1972 case 0x60: /* "TRUENAME" - CANONICALIZE FILENAME OR PATH */
1973 TRACE("TRUENAME %s\n",
1974 (LPCSTR
)CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
),ESI_reg(context
)));
1976 if (!GetFullPathNameA( CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
),
1977 ESI_reg(context
)), 128,
1978 CTX_SEG_OFF_TO_LIN(context
, ES_reg(context
),
1979 EDI_reg(context
)),NULL
))
1980 bSetDOSExtendedError
= TRUE
;
1981 else AX_reg(context
) = 0;
1985 case 0x61: /* UNUSED */
1986 case 0x63: /* misc. language support */
1987 switch (AL_reg(context
)) {
1988 case 0x00: /* GET DOUBLE BYTE CHARACTER SET LEAD-BYTE TABLE */
1989 INT21_GetDBCSLeadTable(context
);
1993 case 0x64: /* OS/2 DOS BOX */
1994 INT_BARF( context
, 0x21 );
1998 case 0x65:{/* GET EXTENDED COUNTRY INFORMATION */
1999 extern WORD WINE_LanguageId
;
2000 BYTE
*dataptr
=CTX_SEG_OFF_TO_LIN(context
, ES_reg(context
),EDI_reg(context
));
2001 TRACE("GET EXTENDED COUNTRY INFORMATION code page %d country %d\n",
2002 BX_reg(context
), DX_reg(context
));
2003 switch (AL_reg(context
)) {
2005 TRACE("\tget general internationalization info\n");
2007 *(WORD
*)(dataptr
+1) = 41;
2008 *(WORD
*)(dataptr
+3) = WINE_LanguageId
;
2009 *(WORD
*)(dataptr
+5) = CodePage
;
2010 *(DWORD
*)(dataptr
+0x19) = 0; /* FIXME: ptr to case map routine */
2013 TRACE("\tget pointer to collating sequence table\n");
2015 *(DWORD
*)(dataptr
+1) = MAKELONG(DOSMEM_CollateTable
& 0xFFFF,DOSMEM_AllocSelector(DOSMEM_CollateTable
>>16));
2016 CX_reg(context
) = 258;/*FIXME: size of table?*/
2019 TRACE("\tConvert char to uppercase\n");
2020 DL_reg(context
) = toupper(DL_reg(context
));
2023 TRACE("\tconvert string to uppercase with length\n");
2024 CharUpperBuffA( (LPSTR
)CTX_SEG_OFF_TO_LIN(context
,DS_reg(context
),EDX_reg(context
)),
2028 TRACE("\tConvert ASCIIZ string to uppercase\n");
2029 CharUpperA( (LPSTR
)CTX_SEG_OFF_TO_LIN(context
,DS_reg(context
),EDX_reg(context
)) );
2032 TRACE("\tunimplemented function %d\n",AL_reg(context
));
2033 INT_BARF( context
, 0x21 );
2039 case 0x66: /* GLOBAL CODE PAGE TABLE */
2040 switch (AL_reg(context
))
2043 TRACE("GET GLOBAL CODE PAGE TABLE\n");
2044 DX_reg(context
) = BX_reg(context
) = CodePage
;
2045 RESET_CFLAG(context
);
2048 TRACE("SET GLOBAL CODE PAGE TABLE active page %d system page %d\n",
2049 BX_reg(context
),DX_reg(context
));
2050 CodePage
= BX_reg(context
);
2051 RESET_CFLAG(context
);
2056 case 0x67: /* SET HANDLE COUNT */
2057 TRACE("SET HANDLE COUNT to %d\n",BX_reg(context
) );
2058 SetHandleCount16( BX_reg(context
) );
2059 if (GetLastError()) bSetDOSExtendedError
= TRUE
;
2062 case 0x68: /* "FFLUSH" - COMMIT FILE */
2063 case 0x6a: /* COMMIT FILE */
2064 TRACE("FFLUSH/COMMIT handle %d\n",BX_reg(context
));
2065 bSetDOSExtendedError
= (!FlushFileBuffers( FILE_GetHandle(BX_reg(context
)) ));
2068 case 0x69: /* DISK SERIAL NUMBER */
2069 switch (AL_reg(context
))
2072 TRACE("GET DISK SERIAL NUMBER for drive %s\n",
2073 INT21_DriveName(BL_reg(context
)));
2074 if (!INT21_GetDiskSerialNumber(context
)) bSetDOSExtendedError
= TRUE
;
2075 else AX_reg(context
) = 0;
2079 TRACE("SET DISK SERIAL NUMBER for drive %s\n",
2080 INT21_DriveName(BL_reg(context
)));
2081 if (!INT21_SetDiskSerialNumber(context
)) bSetDOSExtendedError
= TRUE
;
2082 else AX_reg(context
) = 1;
2087 case 0x6C: /* Extended Open/Create*/
2088 TRACE("EXTENDED OPEN/CREATE %s\n",
2089 (LPCSTR
)CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
), EDI_reg(context
)));
2090 bSetDOSExtendedError
= INT21_ExtendedOpenCreateFile(context
);
2093 case 0x71: /* MS-DOS 7 (Windows95) - LONG FILENAME FUNCTIONS */
2094 if ((GetVersion()&0xC0000004)!=0xC0000004) {
2095 /* not supported on anything but Win95 */
2096 TRACE("LONG FILENAME functions supported only by win95\n");
2098 AL_reg(context
) = 0;
2100 switch(AL_reg(context
))
2102 case 0x39: /* Create directory */
2103 TRACE("LONG FILENAME - MAKE DIRECTORY %s\n",
2104 (LPCSTR
)CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
),EDX_reg(context
)));
2105 bSetDOSExtendedError
= (!CreateDirectoryA(
2106 CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
),
2107 EDX_reg(context
) ), NULL
));
2109 case 0x3a: /* Remove directory */
2110 TRACE("LONG FILENAME - REMOVE DIRECTORY %s\n",
2111 (LPCSTR
)CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
),EDX_reg(context
)));
2112 bSetDOSExtendedError
= (!RemoveDirectoryA(
2113 CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
),
2114 EDX_reg(context
) )));
2116 case 0x43: /* Get/Set file attributes */
2117 TRACE("LONG FILENAME -EXTENDED GET/SET FILE ATTRIBUTES %s\n",
2118 (LPCSTR
)CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
),EDX_reg(context
)));
2119 switch (BL_reg(context
))
2121 case 0x00: /* Get file attributes */
2122 TRACE("\tretrieve attributes\n");
2123 CX_reg(context
) = (WORD
)GetFileAttributesA(
2124 CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
),
2126 if (CX_reg(context
) == 0xffff) bSetDOSExtendedError
= TRUE
;
2129 TRACE("\tset attributes 0x%04x\n",CX_reg(context
));
2130 bSetDOSExtendedError
= (!SetFileAttributesA(
2131 CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
),
2133 CX_reg(context
) ) );
2136 FIXME("Unimplemented long file name function:\n");
2137 INT_BARF( context
, 0x21 );
2139 AL_reg(context
) = 0;
2143 case 0x47: /* Get current directory */
2144 TRACE(" LONG FILENAME - GET CURRENT DIRECTORY for drive %s\n",
2145 INT21_DriveName(DL_reg(context
)));
2146 bSetDOSExtendedError
= !INT21_GetCurrentDirectory(context
);
2149 case 0x4e: /* Find first file */
2150 TRACE(" LONG FILENAME - FIND FIRST MATCHING FILE for %s\n",
2151 (LPCSTR
)CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
),EDX_reg(context
)));
2152 /* FIXME: use attributes in CX */
2153 if ((AX_reg(context
) = FindFirstFile16(
2154 CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
),EDX_reg(context
)),
2155 (WIN32_FIND_DATAA
*)CTX_SEG_OFF_TO_LIN(context
, ES_reg(context
),
2157 == INVALID_HANDLE_VALUE16
)
2158 bSetDOSExtendedError
= TRUE
;
2160 case 0x4f: /* Find next file */
2161 TRACE("LONG FILENAME - FIND NEXT MATCHING FILE for handle %d\n",
2163 if (!FindNextFile16( BX_reg(context
),
2164 (WIN32_FIND_DATAA
*)CTX_SEG_OFF_TO_LIN(context
, ES_reg(context
),
2166 bSetDOSExtendedError
= TRUE
;
2168 case 0xa1: /* Find close */
2169 TRACE("LONG FILENAME - FINDCLOSE for handle %d\n",
2171 bSetDOSExtendedError
= (!FindClose16( BX_reg(context
) ));
2174 TRACE("LONG FILENAME - GET VOLUME INFORMATION for drive %s stub\n",
2175 (LPCSTR
)CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
),EDX_reg(context
)));
2178 switch(CL_reg(context
))
2180 case 0x01: /*Get short filename or path */
2181 if (!GetShortPathNameA
2182 ( CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
),
2184 CTX_SEG_OFF_TO_LIN(context
, ES_reg(context
),
2185 EDI_reg(context
)), 67))
2186 bSetDOSExtendedError
= TRUE
;
2187 else AX_reg(context
) = 0;
2189 case 0x02: /*Get canonical long filename or path */
2190 if (!GetFullPathNameA
2191 ( CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
),
2192 ESI_reg(context
)), 128,
2193 CTX_SEG_OFF_TO_LIN(context
, ES_reg(context
),
2194 EDI_reg(context
)),NULL
))
2195 bSetDOSExtendedError
= TRUE
;
2196 else AX_reg(context
) = 0;
2199 FIXME("Unimplemented long file name function:\n");
2200 INT_BARF( context
, 0x21 );
2202 AL_reg(context
) = 0;
2206 case 0x6c: /* Create or open file */
2207 TRACE("LONG FILENAME - CREATE OR OPEN FILE %s\n",
2208 (LPCSTR
)CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
), ESI_reg(context
)));
2209 /* translate Dos 7 action to Dos 6 action */
2210 bSetDOSExtendedError
= INT21_ExtendedOpenCreateFile(context
);
2213 case 0x3b: /* Change directory */
2214 TRACE("LONG FILENAME - CHANGE DIRECTORY %s\n",
2215 (LPCSTR
)CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
), EDX_reg(context
)));
2216 if (!SetCurrentDirectoryA(CTX_SEG_OFF_TO_LIN(context
,
2222 AL_reg(context
) = GetLastError();
2225 case 0x41: /* Delete file */
2226 TRACE("LONG FILENAME - DELETE FILE %s\n",
2227 (LPCSTR
)CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
), EDX_reg(context
)));
2228 if (!DeleteFileA(CTX_SEG_OFF_TO_LIN(context
,
2233 AL_reg(context
) = GetLastError();
2236 case 0x56: /* Move (rename) file */
2237 TRACE("LONG FILENAME - RENAME FILE %s to %s stub\n",
2238 (LPCSTR
)CTX_SEG_OFF_TO_LIN(context
, DS_reg(context
), EDX_reg(context
)),
2239 (LPCSTR
)CTX_SEG_OFF_TO_LIN(context
, ES_reg(context
), EDI_reg(context
)));
2241 FIXME("Unimplemented long file name function:\n");
2242 INT_BARF( context
, 0x21 );
2244 AL_reg(context
) = 0;
2249 case 0x70: /* MS-DOS 7 (Windows95) - ??? (country-specific?)*/
2250 case 0x72: /* MS-DOS 7 (Windows95) - ??? */
2251 case 0x73: /* MS-DOS 7 (Windows95) - DRIVE LOCKING ??? */
2252 TRACE("windows95 function AX %04x\n",
2254 WARN(" returning unimplemented\n");
2256 AL_reg(context
) = 0;
2259 case 0xdc: /* CONNECTION SERVICES - GET CONNECTION NUMBER */
2260 case 0xea: /* NOVELL NETWARE - RETURN SHELL VERSION */
2264 INT_BARF( context
, 0x21 );
2267 } /* END OF SWITCH */
2269 if( bSetDOSExtendedError
) /* set general error condition */
2271 AX_reg(context
) = GetLastError();
2275 if ((EFL_reg(context
) & 0x0001))
2276 TRACE("failed, error 0x%04lx\n", GetLastError() );
2278 TRACE("returning: AX=%04x BX=%04x CX=%04x DX=%04x "
2279 "SI=%04x DI=%04x DS=%04x ES=%04x EFL=%08lx\n",
2280 AX_reg(context
), BX_reg(context
), CX_reg(context
),
2281 DX_reg(context
), SI_reg(context
), DI_reg(context
),
2282 (WORD
)DS_reg(context
), (WORD
)ES_reg(context
),
2286 FARPROC16 WINAPI
GetSetKernelDOSProc16(FARPROC16 DosProc
)
2288 FIXME("(DosProc=0x%08x): stub\n", (UINT
)DosProc
);