2 * DOS interrupt 21h handler
10 # include <sys/file.h>
15 #include <sys/types.h>
30 #if defined(__svr4__) || defined(_SCO_DS)
31 /* SVR4 DOESNT do locking the same way must implement properly */
38 #define DOS_GET_DRIVE(reg) ((reg) ? (reg) - 1 : DRIVE_GetCurrentDrive())
40 /* Define the drive parameter block, as used by int21/1F
41 * and int21/32. This table can be accessed through the
42 * global 'dpb' pointer, which points into the local dos
47 BYTE drive_num; /* 0=A, etc. */
48 BYTE unit_num; /* Drive's unit number (?) */
49 WORD sector_size; /* Sector size in bytes */
50 BYTE high_sector; /* Highest sector in a cluster */
51 BYTE shift; /* Shift count (?) */
52 WORD reserved; /* Number of reserved sectors at start */
53 BYTE num_FAT; /* Number of FATs */
54 WORD dir_entries; /* Number of root dir entries */
55 WORD first_data; /* First data sector */
56 WORD high_cluster; /* Highest cluster number */
57 WORD sectors_in_FAT; /* Number of sectors per FAT */
58 WORD start_dir; /* Starting sector of first dir */
59 DWORD driver_head; /* Address of device driver header (?) */
60 BYTE media_ID; /* Media ID */
61 BYTE access_flag; /* Prev. accessed flag (0=yes,0xFF=no) */
62 DWORD next; /* Pointer to next DPB in list */
63 WORD free_search; /* Free cluster search start */
64 WORD free_clusters; /* Number of free clusters (0xFFFF=unknown) */
75 BYTE DummyDBCSLeadTable[6];
77 static struct DosHeap *heap;
78 static WORD DosHeapHandle;
80 WORD sharing_retries = 3; /* number of retries at sharing violation */
81 WORD sharing_pause = 1; /* pause between retries */
83 extern char TempDirectory[];
85 static BOOL32 INT21_CreateHeap(void)
87 if (!(DosHeapHandle = GlobalAlloc16(GMEM_FIXED,sizeof(struct DosHeap))))
89 WARN(int21, "Out of memory\n");
92 heap = (struct DosHeap *) GlobalLock16(DosHeapHandle);
93 dpbsegptr = PTR_SEG_OFF_TO_SEGPTR(DosHeapHandle,(int)&heap->dpb-(int)heap);
95 strcpy(heap->biosdate, "01/01/80");
96 memset(heap->DummyDBCSLeadTable, 0, 6);
100 static BYTE *GetCurrentDTA( CONTEXT *context )
102 TDB *pTask = (TDB *)GlobalLock16( GetCurrentTask() );
104 /* FIXME: This assumes DTA was set correctly! */
105 return (BYTE *)CTX_SEG_OFF_TO_LIN( context, SELECTOROF(pTask->dta),
106 (DWORD)OFFSETOF(pTask->dta) );
110 void CreateBPB(int drive, BYTE *data, BOOL16 limited)
111 /* limited == TRUE is used with INT 0x21/0x440d */
116 setword(&data[3], 0);
118 setword(&data[6], 240);
119 setword(&data[8], 64000);
121 setword(&data[0x0b], 40);
122 setword(&data[0x0d], 56);
123 setword(&data[0x0f], 2);
124 setword(&data[0x11], 0);
126 setword(&data[0x1f], 800);
128 setword(&data[0x22], 1);
130 } else { /* 1.44mb */
133 setword(&data[3], 0);
135 setword(&data[6], 240);
136 setword(&data[8], 2880);
138 setword(&data[0x0b], 6);
139 setword(&data[0x0d], 18);
140 setword(&data[0x0f], 2);
141 setword(&data[0x11], 0);
143 setword(&data[0x1f], 80);
145 setword(&data[0x22], 2);
150 static int INT21_GetFreeDiskSpace( CONTEXT *context )
152 DWORD cluster_sectors, sector_bytes, free_clusters, total_clusters;
153 char root[] = "A:\\";
155 *root += DOS_GET_DRIVE( DL_reg(context) );
156 if (!GetDiskFreeSpace32A( root, &cluster_sectors, §or_bytes,
157 &free_clusters, &total_clusters )) return 0;
158 AX_reg(context) = cluster_sectors;
159 BX_reg(context) = free_clusters;
160 CX_reg(context) = sector_bytes;
161 DX_reg(context) = total_clusters;
165 static int INT21_GetDriveAllocInfo( CONTEXT *context )
167 if (!INT21_GetFreeDiskSpace( context )) return 0;
168 if (!heap && !INT21_CreateHeap()) return 0;
169 heap->mediaID = 0xf0;
170 DS_reg(context) = DosHeapHandle;
171 BX_reg(context) = (int)&heap->mediaID - (int)heap;
175 static void GetDrivePB( CONTEXT *context, int drive )
177 if(!DRIVE_IsValid(drive))
179 DOS_ERROR( ER_InvalidDrive, EC_MediaError, SA_Abort, EL_Disk );
180 AX_reg(context) = 0x00ff;
182 else if (heap || INT21_CreateHeap())
184 FIXME(int21, "GetDrivePB not fully implemented.\n");
186 /* FIXME: I have no idea what a lot of this information should
187 * say or whether it even really matters since we're not allowing
188 * direct block access. However, some programs seem to depend on
189 * getting at least _something_ back from here. The 'next' pointer
190 * does worry me, though. Should we have a complete table of
191 * separate DPBs per drive? Probably, but I'm lazy. :-) -CH
193 heap->dpb.drive_num = heap->dpb.unit_num = drive; /*The same?*/
194 heap->dpb.sector_size = 512;
195 heap->dpb.high_sector = 1;
196 heap->dpb.shift = drive < 2 ? 0 : 6; /*6 for HD, 0 for floppy*/
197 heap->dpb.reserved = 0;
198 heap->dpb.num_FAT = 1;
199 heap->dpb.dir_entries = 2;
200 heap->dpb.first_data = 2;
201 heap->dpb.high_cluster = 64000;
202 heap->dpb.sectors_in_FAT = 1;
203 heap->dpb.start_dir = 1;
204 heap->dpb.driver_head = 0;
205 heap->dpb.media_ID = (drive > 1) ? 0xF8 : 0xF0;
206 heap->dpb.access_flag = 0;
208 heap->dpb.free_search = 0;
209 heap->dpb.free_clusters = 0xFFFF; /* unknown */
211 AL_reg(context) = 0x00;
212 DS_reg(context) = SELECTOROF(dpbsegptr);
213 BX_reg(context) = OFFSETOF(dpbsegptr);
218 static void ioctlGetDeviceInfo( CONTEXT *context )
221 const DOS_DEVICE *dev;
223 TRACE(int21, "(%d)\n", BX_reg(context));
225 RESET_CFLAG(context);
228 if ((dev = DOSFS_GetDeviceByHandle( FILE_GetHandle32(BX_reg(context)) )))
230 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), EDX_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 0x41: /* write logical device track */
292 case 0x61: /* read logical device track */
294 BYTE drive = BL_reg(context) ?
295 BL_reg(context) : DRIVE_GetCurrentDrive();
296 WORD head = *(WORD *)dataptr+1;
297 WORD cyl = *(WORD *)dataptr+3;
298 WORD sect = *(WORD *)dataptr+5;
299 WORD nrsect = *(WORD *)dataptr+7;
300 BYTE *data = (BYTE *)dataptr+9;
301 int (*raw_func)(BYTE, DWORD, DWORD, BYTE *, BOOL32);
303 raw_func = (CL_reg(context) == 0x41) ?
304 DRIVE_RawWrite : DRIVE_RawRead;
306 if (raw_func(drive, head*cyl*sect, nrsect, data, FALSE))
307 RESET_CFLAG(context);
310 AX_reg(context) = 0x1e; /* read fault */
315 case 0x66:/* get disk serial number */
317 char label[12],fsname[9],path[4];
320 strcpy(path,"x:\\");path[0]=drive+'A';
321 GetVolumeInformation32A(
322 path,label,12,&serial,NULL,NULL,fsname,9
325 memcpy(dataptr+2,&serial,4);
326 memcpy(dataptr+6,label ,11);
327 memcpy(dataptr+17,fsname,8);
332 TRACE(int21,"logical volume %d unlocked.\n",drive);
336 memset(dataptr+1, '\0', dataptr[0]-1);
337 dataptr[1] = dataptr[0];
338 dataptr[2] = 0x07; /* protected mode driver; no eject; no notification */
339 dataptr[3] = 0xFF; /* no physical drive */
343 INT_BARF( context, 0x21 );
348 static void INT21_ParseFileNameIntoFCB( CONTEXT *context )
351 CTX_SEG_OFF_TO_LIN(context, DS_reg(context), ESI_reg(context) );
353 CTX_SEG_OFF_TO_LIN(context, ES_reg(context), EDI_reg(context) );
354 char *buffer, *s, *d;
356 AL_reg(context) = 0xff; /* failed */
358 TRACE(int21, "filename: '%s'\n", filename);
360 buffer = HeapAlloc( GetProcessHeap(), 0, strlen(filename) + 1);
366 if ((*s != ' ') && (*s != '\r') && (*s != '\n'))
373 DOSFS_ToDosFCBFormat(buffer, fcb + 1);
375 TRACE(int21, "FCB: '%s'\n", ((CHAR *)fcb + 1));
377 HeapFree( GetProcessHeap(), 0, buffer);
380 ((strchr(filename, '*')) || (strchr(filename, '$'))) != 0;
382 /* point DS:SI to first unparsed character */
383 SI_reg(context) += (int)s - (int)filename;
386 static void INT21_GetSystemDate( CONTEXT *context )
389 GetLocalTime( &systime );
390 CX_reg(context) = systime.wYear;
391 DX_reg(context) = (systime.wMonth << 8) | systime.wDay;
392 AX_reg(context) = systime.wDayOfWeek;
395 static void INT21_GetSystemTime( CONTEXT *context )
398 GetLocalTime( &systime );
399 CX_reg(context) = (systime.wHour << 8) | systime.wMinute;
400 DX_reg(context) = (systime.wSecond << 8) | (systime.wMilliseconds / 10);
403 /* Many calls translate a drive argument like this:
404 drive number (00h = default, 01h = A:, etc)
406 static char drivestring[]="default";
408 char *INT21_DriveName(int drive)
413 drivestring[0]= (unsigned char)drive + '@';
419 static BOOL32 INT21_CreateFile( CONTEXT *context )
421 AX_reg(context) = _lcreat16( CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
422 EDX_reg(context) ), CX_reg(context) );
423 return (AX_reg(context) == (WORD)HFILE_ERROR16);
427 static void OpenExistingFile( CONTEXT *context )
429 AX_reg(context) = _lopen16( CTX_SEG_OFF_TO_LIN(context, DS_reg(context),EDX_reg(context)),
431 if (AX_reg(context) == (WORD)HFILE_ERROR16)
433 AX_reg(context) = DOS_ExtendedError;
442 switch (AX_reg(context) & 0x0070)
444 case 0x00: /* compatability mode */
445 case 0x40: /* DENYNONE */
449 case 0x30: /* DENYREAD */
450 TRACE(int21, "(%s): DENYREAD changed to DENYALL\n",
451 (char *)CTX_SEG_OFF_TO_LIN(context, DS_reg(context),EDX_reg(context)));
452 case 0x10: /* DENYALL */
456 case 0x20: /* DENYWRITE */
467 int result,retries=sharing_retries;
469 #if defined(__svr4__) || defined(_SCO_DS)
470 ERR(int21, "Should call flock and needs porting to lockf\n");
474 result = flock(handle, lock | LOCK_NB);
476 if ( retries && (!result) )
479 for(i=0;i<32768*((int)sharing_pause);i++)
480 result++; /* stop the optimizer */
481 for(i=0;i<32768*((int)sharing_pause);i++)
485 while( (!result) && (!(retries--)) );
490 AX_reg(context) = DOS_ExtendedError;
499 AX_reg(context) = handle;
500 RESET_CFLAG(context);
505 static void CloseFile( CONTEXT *context )
507 if ((AX_reg(context) = _lclose16( BX_reg(context) )) != 0)
509 AX_reg(context) = DOS_ExtendedError;
514 static BOOL32 INT21_ExtendedOpenCreateFile(CONTEXT *context )
516 BOOL32 bExtendedError = FALSE;
517 BYTE action = DL_reg(context);
519 /* Shuffle arguments to call OpenExistingFile */
520 AL_reg(context) = BL_reg(context);
521 DX_reg(context) = SI_reg(context);
522 /* BX,CX and DX should be preserved */
523 OpenExistingFile(context);
525 if ((EFL_reg(context) & 0x0001) == 0) /* File exists */
527 UINT16 uReturnCX = 0;
529 /* Now decide what do do */
531 if ((action & 0x07) == 0)
533 BX_reg(context) = AX_reg(context);
535 AX_reg(context) = 0x0050; /*File exists*/
537 WARN(int21, "extended open/create: failed because file exists \n");
539 else if ((action & 0x07) == 2)
541 /* Truncate it, but first check if opened for write */
542 if ((BL_reg(context) & 0x0007)== 0)
544 BX_reg(context) = AX_reg(context);
546 WARN(int21, "extended open/create: failed, trunc on ro file\n");
547 AX_reg(context) = 0x000C; /*Access code invalid*/
552 /* Shuffle arguments to call CloseFile while
553 * preserving BX and DX */
555 TRACE(int21, "extended open/create: Closing before truncate\n");
556 BX_reg(context) = AX_reg(context);
558 if (EFL_reg(context) & 0x0001)
560 WARN(int21, "extended open/create: close before trunc failed\n");
561 AX_reg(context) = 0x0019; /*Seek Error*/
565 /* Shuffle arguments to call CreateFile */
567 TRACE(int21, "extended open/create: Truncating\n");
568 AL_reg(context) = BL_reg(context);
569 /* CX is still the same */
570 DX_reg(context) = SI_reg(context);
571 bExtendedError = INT21_CreateFile(context);
573 if (EFL_reg(context) & 0x0001) /*no file open, flags set */
575 WARN(int21, "extended open/create: trunc failed\n");
576 return bExtendedError;
581 else uReturnCX = 0x1;
583 CX_reg(context) = uReturnCX;
585 else /* file does not exist */
587 RESET_CFLAG(context); /* was set by OpenExistingFile(context) */
588 if ((action & 0xF0)== 0)
592 WARN(int21, "extended open/create: failed, file dosen't exist\n");
596 /* Shuffle arguments to call CreateFile */
597 TRACE(int21, "extended open/create: Creating\n");
598 AL_reg(context) = BL_reg(context);
599 /* CX should still be the same */
600 DX_reg(context) = SI_reg(context);
601 bExtendedError = INT21_CreateFile(context);
602 if (EFL_reg(context) & 0x0001) /*no file open, flags set */
604 WARN(int21, "extended open/create: create failed\n");
605 return bExtendedError;
611 return bExtendedError;
615 static BOOL32 INT21_ChangeDir( CONTEXT *context )
618 char *dirname = CTX_SEG_OFF_TO_LIN(context, DS_reg(context),EDX_reg(context));
620 TRACE(int21,"changedir %s\n", dirname);
621 if (dirname[0] && (dirname[1] == ':'))
623 drive = toupper(dirname[0]) - 'A';
626 else drive = DRIVE_GetCurrentDrive();
627 return DRIVE_Chdir( drive, dirname );
631 static int INT21_FindFirst( CONTEXT *context )
635 DOS_FULL_NAME full_name;
636 FINDFILE_DTA *dta = (FINDFILE_DTA *)GetCurrentDTA(context);
638 path = (const char *)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context));
639 dta->unixPath = NULL;
640 if (!DOSFS_GetFullName( path, FALSE, &full_name ))
642 AX_reg(context) = DOS_ExtendedError;
646 dta->unixPath = HEAP_strdupA( GetProcessHeap(), 0, full_name.long_name );
647 p = strrchr( dta->unixPath, '/' );
650 /* Note: terminating NULL in dta->mask overwrites dta->search_attr
651 * (doesn't matter as it is set below anyway)
653 if (!DOSFS_ToDosFCBFormat( p + 1, dta->mask ))
655 HeapFree( GetProcessHeap(), 0, dta->unixPath );
656 dta->unixPath = NULL;
657 DOS_ERROR( ER_FileNotFound, EC_NotFound, SA_Abort, EL_Disk );
658 AX_reg(context) = ER_FileNotFound;
662 dta->drive = (path[0] && (path[1] == ':')) ? toupper(path[0]) - 'A'
663 : DRIVE_GetCurrentDrive();
665 dta->search_attr = CL_reg(context);
670 static int INT21_FindNext( CONTEXT *context )
672 FINDFILE_DTA *dta = (FINDFILE_DTA *)GetCurrentDTA(context);
673 WIN32_FIND_DATA32A entry;
676 if (!dta->unixPath) return 0;
677 if (!(count = DOSFS_FindNext( dta->unixPath, dta->mask, NULL, dta->drive,
678 dta->search_attr, dta->count, &entry )))
680 HeapFree( GetProcessHeap(), 0, dta->unixPath );
681 dta->unixPath = NULL;
684 if ((int)dta->count + count > 0xffff)
686 WARN(int21, "Too many directory entries in %s\n", dta->unixPath );
687 HeapFree( GetProcessHeap(), 0, dta->unixPath );
688 dta->unixPath = NULL;
692 dta->fileattr = entry.dwFileAttributes;
693 dta->filesize = entry.nFileSizeLow;
694 FileTimeToDosDateTime( &entry.ftLastWriteTime,
695 &dta->filedate, &dta->filetime );
696 strcpy( dta->filename, entry.cAlternateFileName );
697 if (!memchr(dta->mask,'?',11)) {
698 /* wildcardless search, release resources in case no findnext will
699 * be issued, and as a workaround in case file creation messes up
700 * findnext, as sometimes happens with pkunzip */
701 HeapFree( GetProcessHeap(), 0, dta->unixPath );
702 dta->unixPath = NULL;
708 static BOOL32 INT21_CreateTempFile( CONTEXT *context )
710 static int counter = 0;
711 char *name = CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context) );
712 char *p = name + strlen(name);
714 /* despite what Ralf Brown says, some programs seem to call without
715 * ending backslash (DOS accepts that, so we accept it too) */
716 if ((p == name) || (p[-1] != '\\')) *p++ = '\\';
720 sprintf( p, "wine%04x.%03d", (int)getpid(), counter );
721 counter = (counter + 1) % 1000;
723 if ((AX_reg(context) = _lcreat16_uniq( name, 0 )) != (WORD)HFILE_ERROR16)
725 TRACE(int21, "created %s\n", name );
728 if (DOS_ExtendedError != ER_FileExists) return FALSE;
733 static BOOL32 INT21_GetCurrentDirectory( CONTEXT *context )
735 int drive = DOS_GET_DRIVE( DL_reg(context) );
736 char *ptr = (char *)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), ESI_reg(context) );
738 if (!DRIVE_IsValid(drive))
740 DOS_ERROR( ER_InvalidDrive, EC_NotFound, SA_Abort, EL_Disk );
743 lstrcpyn32A( ptr, DRIVE_GetDosCwd(drive), 64 );
744 AX_reg(context) = 0x0100; /* success return code */
749 static void INT21_GetDBCSLeadTable( CONTEXT *context )
751 if (heap || INT21_CreateHeap())
752 { /* return an empty table just as DOS 4.0+ does */
753 DS_reg(context) = DosHeapHandle;
754 SI_reg(context) = (int)&heap->DummyDBCSLeadTable - (int)heap;
758 AX_reg(context) = 0x1; /* error */
764 static int INT21_GetDiskSerialNumber( CONTEXT *context )
766 BYTE *dataptr = CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context));
767 int drive = DOS_GET_DRIVE( BL_reg(context) );
769 if (!DRIVE_IsValid(drive))
771 DOS_ERROR( ER_InvalidDrive, EC_NotFound, SA_Abort, EL_Disk );
775 *(WORD *)dataptr = 0;
776 *(DWORD *)(dataptr + 2) = DRIVE_GetSerialNumber( drive );
777 memcpy( dataptr + 6, DRIVE_GetLabel( drive ), 11 );
778 strncpy(dataptr + 0x11, "FAT16 ", 8);
783 static int INT21_SetDiskSerialNumber( CONTEXT *context )
785 BYTE *dataptr = CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context));
786 int drive = DOS_GET_DRIVE( BL_reg(context) );
788 if (!DRIVE_IsValid(drive))
790 DOS_ERROR( ER_InvalidDrive, EC_NotFound, SA_Abort, EL_Disk );
794 DRIVE_SetSerialNumber( drive, *(DWORD *)(dataptr + 2) );
799 /* microsoft's programmers should be shot for using CP/M style int21
800 calls in Windows for Workgroup's winfile.exe */
802 static int INT21_FindFirstFCB( CONTEXT *context )
804 BYTE *fcb = (BYTE *)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context));
809 if (*fcb == 0xff) pFCB = (FINDFILE_FCB *)(fcb + 7);
810 else pFCB = (FINDFILE_FCB *)fcb;
811 drive = DOS_GET_DRIVE( pFCB->drive );
812 if (!DRIVE_IsValid( drive )) return 0;
813 root = DRIVE_GetRoot( drive );
814 cwd = DRIVE_GetUnixCwd( drive );
815 pFCB->unixPath = HeapAlloc( GetProcessHeap(), 0,
816 strlen(root)+strlen(cwd)+2 );
817 if (!pFCB->unixPath) return 0;
818 strcpy( pFCB->unixPath, root );
819 strcat( pFCB->unixPath, "/" );
820 strcat( pFCB->unixPath, cwd );
826 static int INT21_FindNextFCB( CONTEXT *context )
828 BYTE *fcb = (BYTE *)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context));
830 DOS_DIRENTRY_LAYOUT *pResult = (DOS_DIRENTRY_LAYOUT *)GetCurrentDTA(context);
831 WIN32_FIND_DATA32A entry;
835 if (*fcb == 0xff) /* extended FCB ? */
838 pFCB = (FINDFILE_FCB *)(fcb + 7);
843 pFCB = (FINDFILE_FCB *)fcb;
846 if (!pFCB->unixPath) return 0;
847 if (!(count = DOSFS_FindNext( pFCB->unixPath, pFCB->filename, NULL,
848 DOS_GET_DRIVE( pFCB->drive ), attr,
849 pFCB->count, &entry )))
851 HeapFree( GetProcessHeap(), 0, pFCB->unixPath );
852 pFCB->unixPath = NULL;
855 pFCB->count += count;
857 if (*fcb == 0xff) { /* place extended FCB header before pResult if called with extended FCB */
858 *(BYTE *)pResult = 0xff;
859 (BYTE *)pResult +=6; /* leave reserved field behind */
860 *(BYTE *)pResult = entry.dwFileAttributes;
863 *(BYTE *)pResult = DOS_GET_DRIVE( pFCB->drive ); /* DOS_DIRENTRY_LAYOUT after current drive number */
865 pResult->fileattr = entry.dwFileAttributes;
866 pResult->cluster = 0; /* what else? */
867 pResult->filesize = entry.nFileSizeLow;
868 memset( pResult->reserved, 0, sizeof(pResult->reserved) );
869 FileTimeToDosDateTime( &entry.ftLastWriteTime,
870 &pResult->filedate, &pResult->filetime );
872 /* Convert file name to FCB format */
874 memset( pResult->filename, ' ', sizeof(pResult->filename) );
875 if (!strcmp( entry.cAlternateFileName, "." )) pResult->filename[0] = '.';
876 else if (!strcmp( entry.cAlternateFileName, ".." ))
877 pResult->filename[0] = pResult->filename[1] = '.';
880 char *p = strrchr( entry.cAlternateFileName, '.' );
881 if (p && p[1] && (p != entry.cAlternateFileName))
883 memcpy( pResult->filename, entry.cAlternateFileName,
884 MIN( (p - entry.cAlternateFileName), 8 ) );
885 memcpy( pResult->filename + 8, p + 1, MIN( strlen(p), 3 ) );
888 memcpy( pResult->filename, entry.cAlternateFileName,
889 MIN( strlen(entry.cAlternateFileName), 8 ) );
895 static void DeleteFileFCB( CONTEXT *context )
897 FIXME(int21, "(%p): stub\n", context);
900 static void RenameFileFCB( CONTEXT *context )
902 FIXME(int21, "(%p): stub\n", context);
907 static void fLock( CONTEXT * context )
910 switch ( AX_reg(context) & 0xff )
912 case 0x00: /* LOCK */
913 TRACE(int21,"lock handle %d offset %ld length %ld\n",
915 MAKELONG(DX_reg(context),CX_reg(context)),
916 MAKELONG(DI_reg(context),SI_reg(context))) ;
917 if (!LockFile(FILE_GetHandle32(BX_reg(context)),
918 MAKELONG(DX_reg(context),CX_reg(context)), 0,
919 MAKELONG(DI_reg(context),SI_reg(context)), 0)) {
920 AX_reg(context) = DOS_ExtendedError;
925 case 0x01: /* UNLOCK */
926 TRACE(int21,"unlock handle %d offset %ld length %ld\n",
928 MAKELONG(DX_reg(context),CX_reg(context)),
929 MAKELONG(DI_reg(context),SI_reg(context))) ;
930 if (!UnlockFile(FILE_GetHandle32(BX_reg(context)),
931 MAKELONG(DX_reg(context),CX_reg(context)), 0,
932 MAKELONG(DI_reg(context),SI_reg(context)), 0)) {
933 AX_reg(context) = DOS_ExtendedError;
938 AX_reg(context) = 0x0001;
945 INT21_networkfunc (CONTEXT *context)
947 switch (AL_reg(context)) {
948 case 0x00: /* Get machine name. */
950 char *dst = CTX_SEG_OFF_TO_LIN (context,DS_reg(context),EDX_reg(context));
951 TRACE(int21, "getting machine name to %p\n", dst);
952 if (gethostname (dst, 15))
954 WARN(int21,"failed!\n");
955 DOS_ERROR( ER_NoNetwork, EC_NotFound, SA_Abort, EL_Network );
958 int len = strlen (dst);
962 CH_reg(context) = 1; /* Valid */
963 CL_reg(context) = 1; /* NETbios number??? */
964 TRACE(int21, "returning %s\n", debugstr_an (dst, 16));
970 DOS_ERROR( ER_NoNetwork, EC_NotFound, SA_Abort, EL_Network );
975 static void INT21_SetCurrentPSP(WORD psp)
978 TDB *pTask = hModule ? NULL : (TDB *)GlobalLock16( GetCurrentTask() );
979 NE_MODULE *pModule = (hModule || pTask) ? NE_GetPtr( hModule ? hModule : pTask->hModule ) : NULL;
981 GlobalUnlock16( GetCurrentTask() );
982 if (pModule->lpDosTask)
983 pModule->lpDosTask->psp_seg = psp;
986 ERR(int21, "Cannot change PSP for non-DOS task!\n");
989 static WORD INT21_GetCurrentPSP()
992 TDB *pTask = hModule ? NULL : (TDB *)GlobalLock16( GetCurrentTask() );
993 NE_MODULE *pModule = (hModule || pTask) ? NE_GetPtr( hModule ? hModule : pTask->hModule ) : NULL;
995 GlobalUnlock16( GetCurrentTask() );
996 if (pModule->lpDosTask)
997 return pModule->lpDosTask->psp_seg;
1000 return GetCurrentPDB();
1004 SEGPTR INT21_GetListOfLists()
1006 static DOS_LISTOFLISTS *LOL;
1007 static SEGPTR seg_LOL;
1012 0133:0020 6A 13-33 01 CC 00 33 01 59 00 j.3...3.Y.
1013 0133:0030 70 00 00 00 72 02 00 02-6D 00 33 01 00 00 2E 05 p...r...m.3.....
1014 0133:0040 00 00 FC 04 00 00 03 08-92 21 11 E0 04 80 C6 0D .........!......
1015 0133:0050 CC 0D 4E 55 4C 20 20 20-20 20 00 00 00 00 00 00 ..NUL ......
1016 0133:0060 00 4B BA C1 06 14 00 00-00 03 01 00 04 70 CE FF .K...........p..
1017 0133:0070 FF 00 00 00 00 00 00 00-00 01 00 00 0D 05 00 00 ................
1018 0133:0080 00 FF FF 00 00 00 00 FE-00 00 F8 03 FF 9F 70 02 ..............p.
1019 0133:0090 D0 44 C8 FD D4 44 C8 FD-D4 44 C8 FD D0 44 C8 FD .D...D...D...D..
1020 0133:00A0 D0 44 C8 FD D0 44 .D...D
1023 LOL = SEGPTR_ALLOC(sizeof(DOS_LISTOFLISTS));
1025 LOL->CX_Int21_5e01 = 0x0;
1026 LOL->LRU_count_FCB_cache = 0x0;
1027 LOL->LRU_count_FCB_open = 0x0;
1028 LOL->OEM_func_handler = -1; /* not available */
1029 LOL->INT21_offset = 0x0;
1030 LOL->sharing_retry_count = sharing_retries; /* default value: 3 */
1031 LOL->sharing_retry_delay = sharing_pause; /* default value: 1 */
1032 LOL->ptr_disk_buf = 0x0;
1033 LOL->offs_unread_CON = 0x0;
1034 LOL->seg_first_MCB = 0x0;
1035 LOL->ptr_first_DPB = 0x0;
1036 LOL->ptr_first_SysFileTable = 0x0;
1037 LOL->ptr_clock_dev_hdr = 0x0;
1038 LOL->ptr_CON_dev_hdr = 0x0;
1039 LOL->max_byte_per_sec = 512;
1040 LOL->ptr_disk_buf_info = 0x0;
1041 LOL->ptr_array_CDS = 0x0;
1042 LOL->ptr_sys_FCB = 0x0;
1043 LOL->nr_protect_FCB = 0x0;
1044 LOL->nr_block_dev = 0x0;
1045 LOL->nr_avail_drive_letters = 26; /* A - Z */
1046 LOL->nr_drives_JOINed = 0x0;
1047 LOL->ptr_spec_prg_names = 0x0;
1048 LOL->ptr_SETVER_prg_list = 0x0; /* no SETVER list */
1049 LOL->DOS_HIGH_A20_func_offs = 0x0;
1050 LOL->PSP_last_exec = 0x0;
1051 LOL->BUFFERS_val = 99; /* maximum: 99 */
1052 LOL->BUFFERS_nr_lookahead = 8; /* maximum: 8 */
1053 LOL->boot_drive = 3; /* C: */
1054 LOL->flag_DWORD_moves = 0x01; /* i386+ */
1055 LOL->size_extended_mem = 0xf000; /* very high value */
1057 if (!seg_LOL) seg_LOL = SEGPTR_GET(LOL);
1058 return seg_LOL+(WORD)&((DOS_LISTOFLISTS*)0)->ptr_first_DPB;
1061 /***********************************************************************
1062 * DOS3Call (KERNEL.102)
1064 void WINAPI DOS3Call( CONTEXT *context )
1066 BOOL32 bSetDOSExtendedError = FALSE;
1069 TRACE(int21, "AX=%04x BX=%04x CX=%04x DX=%04x "
1070 "SI=%04x DI=%04x DS=%04x ES=%04x EFL=%08lx\n",
1071 AX_reg(context), BX_reg(context), CX_reg(context), DX_reg(context),
1072 SI_reg(context), DI_reg(context),
1073 (WORD)DS_reg(context), (WORD)ES_reg(context),
1077 if (AH_reg(context) == 0x59) /* Get extended error info */
1079 TRACE(int21, "GET EXTENDED ERROR code 0x%02x class 0x%02x action 0x%02x locus %02x\n",
1080 DOS_ExtendedError, DOS_ErrorClass, DOS_ErrorAction, DOS_ErrorLocus);
1081 AX_reg(context) = DOS_ExtendedError;
1082 BH_reg(context) = DOS_ErrorClass;
1083 BL_reg(context) = DOS_ErrorAction;
1084 CH_reg(context) = DOS_ErrorLocus;
1088 if (AH_reg(context) == 0x0C) /* Flush buffer and read standard input */
1090 TRACE(int21, "FLUSH BUFFER AND READ STANDARD INPUT\n");
1091 /* no flush here yet */
1092 AH_reg(context) = AL_reg(context);
1095 if (AH_reg(context)>=0x2f) {
1096 /* extended error is used by (at least) functions 0x2f to 0x62 */
1097 DOS_ERROR( 0, 0, 0, 0 );
1099 RESET_CFLAG(context); /* Not sure if this is a good idea */
1101 switch(AH_reg(context))
1103 case 0x03: /* READ CHARACTER FROM STDAUX */
1104 case 0x04: /* WRITE CHARACTER TO STDAUX */
1105 case 0x05: /* WRITE CHARACTER TO PRINTER */
1106 case 0x0f: /* OPEN FILE USING FCB */
1107 case 0x10: /* CLOSE FILE USING FCB */
1108 case 0x14: /* SEQUENTIAL READ FROM FCB FILE */
1109 case 0x15: /* SEQUENTIAL WRITE TO FCB FILE */
1110 case 0x16: /* CREATE OR TRUNCATE FILE USING FCB */
1111 case 0x21: /* READ RANDOM RECORD FROM FCB FILE */
1112 case 0x22: /* WRITE RANDOM RECORD TO FCB FILE */
1113 case 0x23: /* GET FILE SIZE FOR FCB */
1114 case 0x24: /* SET RANDOM RECORD NUMBER FOR FCB */
1115 case 0x26: /* CREATE NEW PROGRAM SEGMENT PREFIX */
1116 case 0x27: /* RANDOM BLOCK READ FROM FCB FILE */
1117 case 0x28: /* RANDOM BLOCK WRITE TO FCB FILE */
1118 case 0x54: /* GET VERIFY FLAG */
1119 INT_BARF( context, 0x21 );
1122 case 0x00: /* TERMINATE PROGRAM */
1123 TRACE(int21,"TERMINATE PROGRAM\n");
1127 case 0x01: /* READ CHARACTER FROM STANDARD INPUT, WITH ECHO */
1128 TRACE(int21,"DIRECT CHARACTER INPUT WITH ECHO\n");
1129 AL_reg(context) = CONSOLE_GetCharacter();
1130 /* FIXME: no echo */
1133 case 0x02: /* WRITE CHARACTER TO STANDARD OUTPUT */
1134 TRACE(int21, "Write Character to Standard Output\n");
1135 CONSOLE_Write(DL_reg(context), 0, 0, 0);
1138 case 0x06: /* DIRECT CONSOLE IN/OUTPUT */
1139 TRACE(int21, "Direct Console Input/Output\n");
1140 CONSOLE_Write(DL_reg(context), 0, 0, 0);
1143 case 0x07: /* DIRECT CHARACTER INPUT WITHOUT ECHO */
1144 TRACE(int21,"DIRECT CHARACTER INPUT WITHOUT ECHO\n");
1145 AL_reg(context) = CONSOLE_GetCharacter();
1148 case 0x08: /* CHARACTER INPUT WITHOUT ECHO */
1149 TRACE(int21,"CHARACTER INPUT WITHOUT ECHO\n");
1150 AL_reg(context) = CONSOLE_GetCharacter();
1153 case 0x09: /* WRITE STRING TO STANDARD OUTPUT */
1154 TRACE(int21,"WRITE '$'-terminated string from %04lX:%04X to stdout\n",
1155 DS_reg(context),DX_reg(context) );
1157 LPSTR data = CTX_SEG_OFF_TO_LIN(context,DS_reg(context),EDX_reg(context));
1159 /* do NOT use strchr() to calculate the string length,
1160 as '\0' is valid string content, too !
1161 Maybe we should check for non-'$' strings, but DOS doesn't. */
1162 while (*p != '$') p++;
1163 _hwrite16( 1, data, (int)p - (int)data);
1164 AL_reg(context) = '$'; /* yes, '$' (0x24) gets returned in AL */
1168 case 0x0a: /* BUFFERED INPUT */
1170 char *buffer = ((char *)CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
1171 EDX_reg(context) ));
1174 TRACE(int21,"BUFFERED INPUT (size=%d)\n",buffer[0]);
1176 TRACE(int21,"Handle old chars in buffer!\n");
1177 res=_lread16( 0, buffer+2,buffer[0]);
1179 if(buffer[res+1] == '\n')
1180 buffer[res+1] = '\r';
1184 case 0x0b: {/* GET STDIN STATUS */
1187 if (CONSOLE_CheckForKeystroke(&x1,&x2))
1188 AL_reg(context) = 0xff;
1190 AL_reg(context) = 0;
1193 case 0x2e: /* SET VERIFY FLAG */
1194 TRACE(int21,"SET VERIFY FLAG ignored\n");
1195 /* we cannot change the behaviour anyway, so just ignore it */
1198 case 0x18: /* NULL FUNCTIONS FOR CP/M COMPATIBILITY */
1202 case 0x6b: /* NULL FUNCTION */
1203 AL_reg(context) = 0;
1206 case 0x5c: /* "FLOCK" - RECORD LOCKING */
1210 case 0x0d: /* DISK BUFFER FLUSH */
1211 TRACE(int21,"DISK BUFFER FLUSH ignored\n");
1212 RESET_CFLAG(context); /* dos 6+ only */
1215 case 0x0e: /* SELECT DEFAULT DRIVE */
1216 TRACE(int21,"SELECT DEFAULT DRIVE %d\n", DL_reg(context));
1217 DRIVE_SetCurrentDrive( DL_reg(context) );
1218 AL_reg(context) = MAX_DOS_DRIVES;
1221 case 0x11: /* FIND FIRST MATCHING FILE USING FCB */
1222 TRACE(int21,"FIND FIRST MATCHING FILE USING FCB %p\n",
1223 CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context)));
1224 if (!INT21_FindFirstFCB(context))
1226 AL_reg(context) = 0xff;
1229 /* else fall through */
1231 case 0x12: /* FIND NEXT MATCHING FILE USING FCB */
1232 AL_reg(context) = INT21_FindNextFCB(context) ? 0x00 : 0xff;
1235 case 0x13: /* DELETE FILE USING FCB */
1236 DeleteFileFCB(context);
1239 case 0x17: /* RENAME FILE USING FCB */
1240 RenameFileFCB(context);
1243 case 0x19: /* GET CURRENT DEFAULT DRIVE */
1244 AL_reg(context) = DRIVE_GetCurrentDrive();
1247 case 0x1a: /* SET DISK TRANSFER AREA ADDRESS */
1249 TDB *pTask = (TDB *)GlobalLock16( GetCurrentTask() );
1250 pTask->dta = PTR_SEG_OFF_TO_SEGPTR(DS_reg(context),DX_reg(context));
1251 TRACE(int21, "Set DTA: %08lx\n", pTask->dta);
1255 case 0x1b: /* GET ALLOCATION INFORMATION FOR DEFAULT DRIVE */
1256 DL_reg(context) = 0;
1257 if (!INT21_GetDriveAllocInfo(context)) AX_reg(context) = 0xffff;
1260 case 0x1c: /* GET ALLOCATION INFORMATION FOR SPECIFIC DRIVE */
1261 if (!INT21_GetDriveAllocInfo(context)) AX_reg(context) = 0xffff;
1264 case 0x1f: /* GET DRIVE PARAMETER BLOCK FOR DEFAULT DRIVE */
1265 GetDrivePB(context, DRIVE_GetCurrentDrive());
1268 case 0x25: /* SET INTERRUPT VECTOR */
1269 INT_CtxSetHandler( context, AL_reg(context),
1270 (FARPROC16)PTR_SEG_OFF_TO_SEGPTR( DS_reg(context),
1274 case 0x29: /* PARSE FILENAME INTO FCB */
1275 INT21_ParseFileNameIntoFCB(context);
1278 case 0x2a: /* GET SYSTEM DATE */
1279 INT21_GetSystemDate(context);
1282 case 0x2b: /* SET SYSTEM DATE */
1283 FIXME(int21, "SetSystemDate(%02d/%02d/%04d): not allowed\n",
1284 DL_reg(context), DH_reg(context), CX_reg(context) );
1285 AL_reg(context) = 0; /* Let's pretend we succeeded */
1288 case 0x2c: /* GET SYSTEM TIME */
1289 INT21_GetSystemTime(context);
1292 case 0x2d: /* SET SYSTEM TIME */
1293 FIXME(int21, "SetSystemTime(%02d:%02d:%02d.%02d): not allowed\n",
1294 CH_reg(context), CL_reg(context),
1295 DH_reg(context), DL_reg(context) );
1296 AL_reg(context) = 0; /* Let's pretend we succeeded */
1299 case 0x2f: /* GET DISK TRANSFER AREA ADDRESS */
1300 TRACE(int21,"GET DISK TRANSFER AREA ADDRESS\n");
1302 TDB *pTask = (TDB *)GlobalLock16( GetCurrentTask() );
1303 ES_reg(context) = SELECTOROF( pTask->dta );
1304 BX_reg(context) = OFFSETOF( pTask->dta );
1308 case 0x30: /* GET DOS VERSION */
1309 TRACE(int21,"GET DOS VERSION %s requested\n",
1310 (AL_reg(context) == 0x00)?"OEM number":"version flag");
1311 AX_reg(context) = (HIWORD(GetVersion16()) >> 8) |
1312 (HIWORD(GetVersion16()) << 8);
1314 AH_reg(context) = 0x7;
1315 AL_reg(context) = 0xA;
1318 BX_reg(context) = 0x00FF; /* 0x123456 is Wine's serial # */
1319 CX_reg(context) = 0x0000;
1322 case 0x31: /* TERMINATE AND STAY RESIDENT */
1323 FIXME(int21,"TERMINATE AND STAY RESIDENT stub\n");
1326 case 0x32: /* GET DOS DRIVE PARAMETER BLOCK FOR SPECIFIC DRIVE */
1327 TRACE(int21,"GET DOS DRIVE PARAMETER BLOCK FOR DRIVE %s\n",
1328 INT21_DriveName( DL_reg(context)));
1329 GetDrivePB(context, DOS_GET_DRIVE( DL_reg(context) ) );
1332 case 0x33: /* MULTIPLEXED */
1333 switch (AL_reg(context))
1335 case 0x00: /* GET CURRENT EXTENDED BREAK STATE */
1336 TRACE(int21,"GET CURRENT EXTENDED BREAK STATE\n");
1337 DL_reg(context) = DOSCONF_config.brk_flag;
1340 case 0x01: /* SET EXTENDED BREAK STATE */
1341 TRACE(int21,"SET CURRENT EXTENDED BREAK STATE\n");
1342 DOSCONF_config.brk_flag = (DL_reg(context) > 0);
1345 case 0x02: /* GET AND SET EXTENDED CONTROL-BREAK CHECKING STATE*/
1346 TRACE(int21,"GET AND SET EXTENDED CONTROL-BREAK CHECKING STATE\n");
1347 /* ugly coding in order to stay reentrant */
1348 if (DL_reg(context))
1350 DL_reg(context) = DOSCONF_config.brk_flag;
1351 DOSCONF_config.brk_flag = 1;
1355 DL_reg(context) = DOSCONF_config.brk_flag;
1356 DOSCONF_config.brk_flag = 0;
1360 case 0x05: /* GET BOOT DRIVE */
1361 TRACE(int21,"GET BOOT DRIVE\n");
1362 DL_reg(context) = 3;
1363 /* c: is Wine's bootdrive (a: is 1)*/
1366 case 0x06: /* GET TRUE VERSION NUMBER */
1367 TRACE(int21,"GET TRUE VERSION NUMBER\n");
1368 BX_reg(context) = (HIWORD(GetVersion16() >> 8)) |
1369 (HIWORD(GetVersion16() << 8));
1370 DX_reg(context) = 0x00;
1374 INT_BARF( context, 0x21 );
1379 case 0x34: /* GET ADDRESS OF INDOS FLAG */
1380 TRACE(int21,"GET ADDRESS OF INDOS FLAG\n");
1381 if (!heap) INT21_CreateHeap();
1382 ES_reg(context) = DosHeapHandle;
1383 BX_reg(context) = (int)&heap->InDosFlag - (int)heap;
1386 case 0x35: /* GET INTERRUPT VECTOR */
1387 TRACE(int21,"GET INTERRUPT VECTOR 0x%02x\n",AL_reg(context));
1389 FARPROC16 addr = INT_CtxGetHandler( context, AL_reg(context) );
1390 ES_reg(context) = SELECTOROF(addr);
1391 BX_reg(context) = OFFSETOF(addr);
1395 case 0x36: /* GET FREE DISK SPACE */
1396 TRACE(int21,"GET FREE DISK SPACE FOR DRIVE %s\n",
1397 INT21_DriveName( DL_reg(context)));
1398 if (!INT21_GetFreeDiskSpace(context)) AX_reg(context) = 0xffff;
1403 unsigned char switchchar='/';
1404 switch (AL_reg(context))
1406 case 0x00: /* "SWITCHAR" - GET SWITCH CHARACTER */
1407 TRACE(int21,"SWITCHAR - GET SWITCH CHARACTER\n");
1408 AL_reg(context) = 0x00; /* success*/
1409 DL_reg(context) = switchchar;
1411 case 0x01: /*"SWITCHAR" - SET SWITCH CHARACTER*/
1412 TRACE(int21,"SWITCHAR - SET SWITCH CHARACTER\n");
1413 switchchar = DL_reg(context);
1414 AL_reg(context) = 0x00; /* success*/
1416 default: /*"AVAILDEV" - SPECIFY \DEV\ PREFIX USE*/
1417 INT_BARF( context, 0x21 );
1423 case 0x38: /* GET COUNTRY-SPECIFIC INFORMATION */
1424 TRACE(int21,"GET COUNTRY-SPECIFIC INFORMATION for country 0x%02x\n",
1426 AX_reg(context) = 0x02; /* no country support available */
1430 case 0x39: /* "MKDIR" - CREATE SUBDIRECTORY */
1431 TRACE(int21,"MKDIR %s\n",
1432 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context)));
1433 bSetDOSExtendedError = (!CreateDirectory16( CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
1434 EDX_reg(context) ), NULL));
1437 case 0x3a: /* "RMDIR" - REMOVE SUBDIRECTORY */
1438 TRACE(int21,"RMDIR %s\n",
1439 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context)));
1440 bSetDOSExtendedError = (!RemoveDirectory16( CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
1441 EDX_reg(context) )));
1444 case 0x3b: /* "CHDIR" - SET CURRENT DIRECTORY */
1445 TRACE(int21,"CHDIR %s\n",
1446 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context)));
1447 bSetDOSExtendedError = !INT21_ChangeDir(context);
1450 case 0x3c: /* "CREAT" - CREATE OR TRUNCATE FILE */
1451 TRACE(int21,"CREAT flag 0x%02x %s\n",CX_reg(context),
1452 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context)));
1453 AX_reg(context) = _lcreat16( CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
1454 EDX_reg(context) ), CX_reg(context) );
1455 bSetDOSExtendedError = (AX_reg(context) == (WORD)HFILE_ERROR16);
1458 case 0x3d: /* "OPEN" - OPEN EXISTING FILE */
1459 TRACE(int21,"OPEN mode 0x%02x %s\n",AL_reg(context),
1460 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context)));
1461 OpenExistingFile(context);
1464 case 0x3e: /* "CLOSE" - CLOSE FILE */
1465 TRACE(int21,"CLOSE handle %d\n",BX_reg(context));
1466 bSetDOSExtendedError = ((AX_reg(context) = _lclose16( BX_reg(context) )) != 0);
1469 case 0x3f: /* "READ" - READ FROM FILE OR DEVICE */
1470 TRACE(int21,"READ from %d to %04lX:%04X for %d byte\n",BX_reg(context),
1471 DS_reg(context),DX_reg(context),CX_reg(context) );
1475 result = _hread16( BX_reg(context),
1476 CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
1480 result = WIN16_hread( BX_reg(context),
1481 PTR_SEG_OFF_TO_SEGPTR( DS_reg(context),
1484 if (result == -1) bSetDOSExtendedError = TRUE;
1485 else AX_reg(context) = (WORD)result;
1489 case 0x40: /* "WRITE" - WRITE TO FILE OR DEVICE */
1490 TRACE(int21,"WRITE from %04lX:%04X to handle %d for %d byte\n",
1491 DS_reg(context),DX_reg(context),BX_reg(context),CX_reg(context) );
1493 LONG result = _hwrite16( BX_reg(context),
1494 CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
1497 if (result == -1) bSetDOSExtendedError = TRUE;
1498 else AX_reg(context) = (WORD)result;
1502 case 0x41: /* "UNLINK" - DELETE FILE */
1503 TRACE(int21,"UNLINK%s\n",
1504 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context)));
1505 bSetDOSExtendedError = (!DeleteFile32A( CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
1506 EDX_reg(context) )));
1509 case 0x42: /* "LSEEK" - SET CURRENT FILE POSITION */
1510 TRACE(int21,"LSEEK handle %d offset %ld from %s\n",
1511 BX_reg(context), MAKELONG(DX_reg(context),CX_reg(context)),
1512 (AL_reg(context)==0)?"start of file":(AL_reg(context)==1)?
1513 "current file position":"end of file");
1515 LONG status = _llseek16( BX_reg(context),
1516 MAKELONG(DX_reg(context),CX_reg(context)),
1518 if (status == -1) bSetDOSExtendedError = TRUE;
1521 AX_reg(context) = LOWORD(status);
1522 DX_reg(context) = HIWORD(status);
1527 case 0x43: /* FILE ATTRIBUTES */
1528 switch (AL_reg(context))
1531 TRACE(int21,"GET FILE ATTRIBUTES for %s\n",
1532 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context)));
1533 AX_reg(context) = (WORD)GetFileAttributes32A(
1534 CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
1536 if (AX_reg(context) == 0xffff) bSetDOSExtendedError = TRUE;
1537 else CX_reg(context) = AX_reg(context);
1541 TRACE(int21,"SET FILE ATTRIBUTES 0x%02x for %s\n", CX_reg(context),
1542 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context)));
1543 bSetDOSExtendedError =
1544 (!SetFileAttributes32A( CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
1549 TRACE(int21,"GET COMPRESSED FILE SIZE for %s stub\n",
1550 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context)));
1554 case 0x44: /* IOCTL */
1555 switch (AL_reg(context))
1558 ioctlGetDeviceInfo(context);
1564 const DOS_DEVICE *dev;
1565 if ((dev = DOSFS_GetDeviceByHandle( FILE_GetHandle32(BX_reg(context)) )) &&
1566 !strcasecmp( dev->name, "SCSIMGR$" ))
1568 ASPI_DOS_HandleInt(context);
1572 case 0x05:{ /* IOCTL - WRITE TO BLOCK DEVICE CONTROL CHANNEL */
1573 /*BYTE *dataptr = CTX_SEG_OFF_TO_LIN(context, DS_reg(context),EDX_reg(context));*/
1574 int drive = DOS_GET_DRIVE(BL_reg(context));
1576 FIXME(int21,"program tried to write to block device control channel of drive %d:\n",drive);
1577 /* for (i=0;i<CX_reg(context);i++)
1578 fprintf(stdnimp,"%02x ",dataptr[i]);
1579 fprintf(stdnimp,"\n");*/
1580 AX_reg(context)=CX_reg(context);
1583 case 0x08: /* Check if drive is removable. */
1584 TRACE(int21,"IOCTL - CHECK IF BLOCK DEVICE REMOVABLE for drive %s\n",
1585 INT21_DriveName( BL_reg(context)));
1586 switch(GetDriveType16( DOS_GET_DRIVE( BL_reg(context) )))
1588 case DRIVE_CANNOTDETERMINE:
1589 DOS_ERROR( ER_InvalidDrive, EC_NotFound, SA_Abort, EL_Disk );
1590 AX_reg(context) = ER_InvalidDrive;
1593 case DRIVE_REMOVABLE:
1594 AX_reg(context) = 0; /* removable */
1597 AX_reg(context) = 1; /* not removable */
1602 case 0x09: /* CHECK IF BLOCK DEVICE REMOTE */
1603 TRACE(int21,"IOCTL - CHECK IF BLOCK DEVICE REMOTE for drive %s\n",
1604 INT21_DriveName( BL_reg(context)));
1605 switch(GetDriveType16( DOS_GET_DRIVE( BL_reg(context) )))
1607 case DRIVE_CANNOTDETERMINE:
1608 DOS_ERROR( ER_InvalidDrive, EC_NotFound, SA_Abort, EL_Disk );
1609 AX_reg(context) = ER_InvalidDrive;
1613 DX_reg(context) = (1<<9) | (1<<12); /* remote */
1616 DX_reg(context) = 0; /* FIXME: use driver attr here */
1621 case 0x0a: /* check if handle (BX) is remote */
1622 TRACE(int21,"IOCTL - CHECK IF HANDLE %d IS REMOTE\n",BX_reg(context));
1623 /* returns DX, bit 15 set if remote, bit 14 set if date/time
1626 DX_reg(context) = 0;
1629 case 0x0b: /* SET SHARING RETRY COUNT */
1630 TRACE(int21,"IOCTL - SET SHARING RETRY COUNT pause %d retries %d\n",
1631 CX_reg(context), DX_reg(context));
1632 if (!CX_reg(context))
1634 AX_reg(context) = 1;
1638 sharing_pause = CX_reg(context);
1639 if (!DX_reg(context))
1640 sharing_retries = DX_reg(context);
1641 RESET_CFLAG(context);
1645 TRACE(int21,"IOCTL - GENERIC BLOCK DEVICE REQUEST %s\n",
1646 INT21_DriveName( BL_reg(context)));
1647 bSetDOSExtendedError = ioctlGenericBlkDevReq(context);
1650 case 0x0e: /* get logical drive mapping */
1651 TRACE(int21,"IOCTL - GET LOGICAL DRIVE MAP for drive %s\n",
1652 INT21_DriveName( BL_reg(context)));
1653 AL_reg(context) = 0; /* drive has no mapping - FIXME: may be wrong*/
1656 case 0x0F: /* Set logical drive mapping */
1659 TRACE(int21,"IOCTL - SET LOGICAL DRIVE MAP for drive %s\n",
1660 INT21_DriveName( BL_reg(context)));
1661 drive = DOS_GET_DRIVE ( BL_reg(context) );
1662 if ( ! DRIVE_SetLogicalMapping ( drive, drive+1 ) )
1665 AX_reg(context) = 0x000F; /* invalid drive */
1670 case 0xe0: /* Sun PC-NFS API */
1675 INT_BARF( context, 0x21 );
1680 case 0x45: /* "DUP" - DUPLICATE FILE HANDLE */
1683 TRACE(int21,"DUP - DUPLICATE FILE HANDLE %d\n",BX_reg(context));
1684 if ((bSetDOSExtendedError = !DuplicateHandle( GetCurrentProcess(),
1685 FILE_GetHandle32(BX_reg(context)),
1686 GetCurrentProcess(), &handle,
1687 0, TRUE, DUPLICATE_SAME_ACCESS )))
1688 AX_reg(context) = HFILE_ERROR16;
1690 AX_reg(context) = FILE_AllocDosHandle(handle);
1694 case 0x46: /* "DUP2", "FORCEDUP" - FORCE DUPLICATE FILE HANDLE */
1695 TRACE(int21,"FORCEDUP - FORCE DUPLICATE FILE HANDLE %d to %d\n",
1696 BX_reg(context),CX_reg(context));
1697 bSetDOSExtendedError = (FILE_Dup2( BX_reg(context), CX_reg(context) ) == HFILE_ERROR16);
1700 case 0x47: /* "CWD" - GET CURRENT DIRECTORY */
1701 TRACE(int21,"CWD - GET CURRENT DIRECTORY for drive %s\n",
1702 INT21_DriveName( DL_reg(context)));
1703 bSetDOSExtendedError = !INT21_GetCurrentDirectory(context);
1706 case 0x48: /* ALLOCATE MEMORY */
1707 TRACE(int21,"ALLOCATE MEMORY for %d paragraphs\n", BX_reg(context));
1712 mem= DOSMEM_GetBlock(0,(DWORD)BX_reg(context)<<4,NULL);
1714 AX_reg(context) = DOSMEM_MapLinearToDos(mem)>>4;
1718 mem = (LPVOID)GlobalDOSAlloc(BX_reg(context)<<4);
1720 AX_reg(context) = (DWORD)mem&0xffff;
1725 AX_reg(context) = 0x0008; /* insufficient memory */
1726 BX_reg(context) = DOSMEM_Available(0)>>4;
1731 case 0x49: /* FREE MEMORY */
1732 TRACE(int21,"FREE MEMORY segment %04lX\n", ES_reg(context));
1736 ret= DOSMEM_FreeBlock(0,DOSMEM_MapDosToLinear(ES_reg(context)<<4));
1739 ret = !GlobalDOSFree(ES_reg(context));
1740 /* If we don't reset ES_reg, we will fail in the relay code */
1741 ES_reg(context)=ret;
1745 TRACE(int21,"FREE MEMORY failed\n");
1747 AX_reg(context) = 0x0009; /* memory block address invalid */
1752 case 0x4a: /* RESIZE MEMORY BLOCK */
1753 TRACE(int21,"RESIZE MEMORY segment %04lX to %d paragraphs\n", ES_reg(context), BX_reg(context));
1754 if (!ISV86(context))
1755 FIXME(int21,"RESIZE MEMORY probably insufficent implementation. Expect crash soon\n");
1757 LPVOID *mem = DOSMEM_ResizeBlock(0,DOSMEM_MapDosToLinear(ES_reg(context)<<4),
1758 BX_reg(context)<<4,NULL);
1760 AX_reg(context) = DOSMEM_MapLinearToDos(mem)>>4;
1763 AX_reg(context) = 0x0008; /* insufficient memory */
1764 BX_reg(context) = DOSMEM_Available(0)>>4; /* not quite right */
1769 case 0x4b: /* "EXEC" - LOAD AND/OR EXECUTE PROGRAM */
1770 TRACE(int21,"EXEC %s\n",
1771 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context),EDX_reg(context) ));
1772 AX_reg(context) = WinExec16( CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
1775 if (AX_reg(context) < 32) SET_CFLAG(context);
1778 case 0x4c: /* "EXIT" - TERMINATE WITH RETURN CODE */
1779 TRACE(int21,"EXIT with return code %d\n",AL_reg(context));
1780 ExitProcess( AL_reg(context) );
1783 case 0x4d: /* GET RETURN CODE */
1784 TRACE(int21,"GET RETURN CODE (ERRORLEVEL)\n");
1785 AX_reg(context) = 0; /* normal exit */
1788 case 0x4e: /* "FINDFIRST" - FIND FIRST MATCHING FILE */
1789 TRACE(int21,"FINDFIRST mask 0x%04x spec %s\n",CX_reg(context),
1790 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context)));
1791 if (!INT21_FindFirst(context)) break;
1794 case 0x4f: /* "FINDNEXT" - FIND NEXT MATCHING FILE */
1795 TRACE(int21,"FINDNEXT\n");
1796 if (!INT21_FindNext(context))
1798 DOS_ERROR( ER_NoMoreFiles, EC_MediaError, SA_Abort, EL_Disk );
1799 AX_reg(context) = ER_NoMoreFiles;
1802 else AX_reg(context) = 0; /* OK */
1804 case 0x50: /* SET CURRENT PROCESS ID (SET PSP ADDRESS) */
1805 TRACE(int21, "SET CURRENT PROCESS ID (SET PSP ADDRESS)\n");
1806 INT21_SetCurrentPSP(BX_reg(context));
1808 case 0x51: /* GET PSP ADDRESS */
1809 TRACE(int21,"GET CURRENT PROCESS ID (GET PSP ADDRESS)\n");
1810 /* FIXME: should we return the original DOS PSP upon */
1811 /* Windows startup ? */
1812 BX_reg(context) = INT21_GetCurrentPSP();
1814 case 0x62: /* GET PSP ADDRESS */
1815 TRACE(int21,"GET CURRENT PSP ADDRESS\n");
1816 /* FIXME: should we return the original DOS PSP upon */
1817 /* Windows startup ? */
1818 BX_reg(context) = INT21_GetCurrentPSP();
1821 case 0x52: /* "SYSVARS" - GET LIST OF LISTS */
1822 TRACE(int21,"SYSVARS - GET LIST OF LISTS\n");
1825 lol = INT21_GetListOfLists();
1826 ES_reg(context) = HIWORD(lol);
1827 BX_reg(context) = LOWORD(lol);
1831 case 0x56: /* "RENAME" - RENAME FILE */
1832 TRACE(int21,"RENAME %s to %s\n",
1833 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context),EDX_reg(context)),
1834 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, ES_reg(context),EDI_reg(context)));
1835 bSetDOSExtendedError =
1836 (!MoveFile32A( CTX_SEG_OFF_TO_LIN(context, DS_reg(context),EDX_reg(context)),
1837 CTX_SEG_OFF_TO_LIN(context, ES_reg(context),EDI_reg(context))));
1840 case 0x57: /* FILE DATE AND TIME */
1841 switch (AL_reg(context))
1843 case 0x00: /* Get */
1846 TRACE(int21,"GET FILE DATE AND TIME for handle %d\n",
1848 if (!GetFileTime( FILE_GetHandle32(BX_reg(context)), NULL, NULL, &filetime ))
1849 bSetDOSExtendedError = TRUE;
1850 else FileTimeToDosDateTime( &filetime, &DX_reg(context),
1855 case 0x01: /* Set */
1858 TRACE(int21,"SET FILE DATE AND TIME for handle %d\n",
1860 DosDateTimeToFileTime( DX_reg(context), CX_reg(context),
1862 bSetDOSExtendedError =
1863 (!SetFileTime( FILE_GetHandle32(BX_reg(context)),
1864 NULL, NULL, &filetime ));
1870 case 0x58: /* GET OR SET MEMORY/UMB ALLOCATION STRATEGY */
1871 TRACE(int21,"GET OR SET MEMORY/UMB ALLOCATION STRATEGY subfunction %d\n",
1873 switch (AL_reg(context))
1876 AX_reg(context) = 1;
1879 AX_reg(context) = 0;
1885 RESET_CFLAG(context);
1888 case 0x5a: /* CREATE TEMPORARY FILE */
1889 TRACE(int21,"CREATE TEMPORARY FILE\n");
1890 bSetDOSExtendedError = !INT21_CreateTempFile(context);
1893 case 0x5b: /* CREATE NEW FILE */
1894 TRACE(int21,"CREATE NEW FILE 0x%02x for %s\n", CX_reg(context),
1895 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context)));
1896 bSetDOSExtendedError = ((AX_reg(context) =
1897 _lcreat16_uniq( CTX_SEG_OFF_TO_LIN(context, DS_reg(context),EDX_reg(context)), 0 ))
1898 == (WORD)HFILE_ERROR16);
1901 case 0x5d: /* NETWORK */
1902 FIXME(int21,"Function 0x%04x not implemented.\n", AX_reg (context));
1903 /* Fix the following while you're at it. */
1904 DOS_ERROR( ER_NoNetwork, EC_NotFound, SA_Abort, EL_Network );
1905 bSetDOSExtendedError = TRUE;
1909 bSetDOSExtendedError = INT21_networkfunc (context);
1912 case 0x5f: /* NETWORK */
1913 switch (AL_reg(context))
1915 case 0x07: /* ENABLE DRIVE */
1916 TRACE(int21,"ENABLE DRIVE %c:\n",(DL_reg(context)+'A'));
1917 if (!DRIVE_Enable( DL_reg(context) ))
1919 DOS_ERROR( ER_InvalidDrive, EC_MediaError, SA_Abort, EL_Disk );
1920 bSetDOSExtendedError = TRUE;
1924 case 0x08: /* DISABLE DRIVE */
1925 TRACE(int21,"DISABLE DRIVE %c:\n",(DL_reg(context)+'A'));
1926 if (!DRIVE_Disable( DL_reg(context) ))
1928 DOS_ERROR( ER_InvalidDrive, EC_MediaError, SA_Abort, EL_Disk );
1929 bSetDOSExtendedError = TRUE;
1934 /* network software not installed */
1935 TRACE(int21,"NETWORK function AX=%04x not implemented\n",AX_reg(context));
1936 DOS_ERROR( ER_NoNetwork, EC_NotFound, SA_Abort, EL_Network );
1937 bSetDOSExtendedError = TRUE;
1942 case 0x60: /* "TRUENAME" - CANONICALIZE FILENAME OR PATH */
1943 TRACE(int21,"TRUENAME %s\n",
1944 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context),ESI_reg(context)));
1946 if (!GetFullPathName32A( CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
1947 ESI_reg(context)), 128,
1948 CTX_SEG_OFF_TO_LIN(context, ES_reg(context),
1949 EDI_reg(context)),NULL))
1950 bSetDOSExtendedError = TRUE;
1951 else AX_reg(context) = 0;
1955 case 0x61: /* UNUSED */
1956 case 0x63: /* misc. language support */
1957 switch (AL_reg(context)) {
1958 case 0x00: /* GET DOUBLE BYTE CHARACTER SET LEAD-BYTE TABLE */
1959 INT21_GetDBCSLeadTable(context);
1963 case 0x64: /* OS/2 DOS BOX */
1964 INT_BARF( context, 0x21 );
1968 case 0x65:{/* GET EXTENDED COUNTRY INFORMATION */
1969 extern WORD WINE_LanguageId;
1970 BYTE *dataptr=CTX_SEG_OFF_TO_LIN(context, ES_reg(context),EDI_reg(context));
1971 TRACE(int21,"GET EXTENDED COUNTRY INFORMATION code page %d country %d\n",
1972 BX_reg(context), DX_reg(context));
1973 switch (AL_reg(context)) {
1975 TRACE(int21,"\tget general internationalization info\n");
1977 *(WORD*)(dataptr+1) = 41;
1978 *(WORD*)(dataptr+3) = WINE_LanguageId;
1979 *(WORD*)(dataptr+5) = CodePage;
1980 *(DWORD*)(dataptr+0x19) = 0; /* FIXME: ptr to case map routine */
1983 TRACE(int21,"\tget pointer to collating sequence table\n");
1985 *(DWORD*)(dataptr+1) = MAKELONG(DOSMEM_CollateTable & 0xFFFF,DOSMEM_AllocSelector(DOSMEM_CollateTable>>16));
1986 CX_reg(context) = 258;/*FIXME: size of table?*/
1989 TRACE(int21,"\tunimplemented function %d\n",AL_reg(context));
1990 INT_BARF( context, 0x21 );
1996 case 0x66: /* GLOBAL CODE PAGE TABLE */
1997 switch (AL_reg(context))
2000 TRACE(int21,"GET GLOBAL CODE PAGE TABLE\n");
2001 DX_reg(context) = BX_reg(context) = CodePage;
2002 RESET_CFLAG(context);
2005 TRACE(int21,"SET GLOBAL CODE PAGE TABLE active page %d system page %d\n",
2006 BX_reg(context),DX_reg(context));
2007 CodePage = BX_reg(context);
2008 RESET_CFLAG(context);
2013 case 0x67: /* SET HANDLE COUNT */
2014 TRACE(int21,"SET HANDLE COUNT to %d\n",BX_reg(context) );
2015 SetHandleCount16( BX_reg(context) );
2016 if (DOS_ExtendedError) bSetDOSExtendedError = TRUE;
2019 case 0x68: /* "FFLUSH" - COMMIT FILE */
2020 case 0x6a: /* COMMIT FILE */
2021 TRACE(int21,"FFLUSH/COMMIT handle %d\n",BX_reg(context));
2022 bSetDOSExtendedError = (!FlushFileBuffers( FILE_GetHandle32(BX_reg(context)) ));
2025 case 0x69: /* DISK SERIAL NUMBER */
2026 switch (AL_reg(context))
2029 TRACE(int21,"GET DISK SERIAL NUMBER for drive %s\n",
2030 INT21_DriveName(BL_reg(context)));
2031 if (!INT21_GetDiskSerialNumber(context)) bSetDOSExtendedError = TRUE;
2032 else AX_reg(context) = 0;
2036 TRACE(int21,"SET DISK SERIAL NUMBER for drive %s\n",
2037 INT21_DriveName(BL_reg(context)));
2038 if (!INT21_SetDiskSerialNumber(context)) bSetDOSExtendedError = TRUE;
2039 else AX_reg(context) = 1;
2044 case 0x6C: /* Extended Open/Create*/
2045 TRACE(int21,"EXTENDED OPEN/CREATE %s\n",
2046 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDI_reg(context)));
2047 bSetDOSExtendedError = INT21_ExtendedOpenCreateFile(context);
2050 case 0x71: /* MS-DOS 7 (Windows95) - LONG FILENAME FUNCTIONS */
2051 if ((GetVersion32()&0xC0000004)!=0xC0000004) {
2052 /* not supported on anything but Win95 */
2053 TRACE(int21,"LONG FILENAME functions supported only by win95\n");
2055 AL_reg(context) = 0;
2057 switch(AL_reg(context))
2059 case 0x39: /* Create directory */
2060 TRACE(int21,"LONG FILENAME - MAKE DIRECTORY %s\n",
2061 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context),EDX_reg(context)));
2062 bSetDOSExtendedError = (!CreateDirectory32A(
2063 CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
2064 EDX_reg(context) ), NULL));
2066 case 0x3a: /* Remove directory */
2067 TRACE(int21,"LONG FILENAME - REMOVE DIRECTORY %s\n",
2068 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context),EDX_reg(context)));
2069 bSetDOSExtendedError = (!RemoveDirectory32A(
2070 CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
2071 EDX_reg(context) )));
2073 case 0x43: /* Get/Set file attributes */
2074 TRACE(int21,"LONG FILENAME -EXTENDED GET/SET FILE ATTRIBUTES %s\n",
2075 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context),EDX_reg(context)));
2076 switch (BL_reg(context))
2078 case 0x00: /* Get file attributes */
2079 TRACE(int21,"\tretrieve attributes\n");
2080 CX_reg(context) = (WORD)GetFileAttributes32A(
2081 CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
2083 if (CX_reg(context) == 0xffff) bSetDOSExtendedError = TRUE;
2086 TRACE(int21,"\tset attributes 0x%04x\n",CX_reg(context));
2087 bSetDOSExtendedError = (!SetFileAttributes32A(
2088 CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
2090 CX_reg(context) ) );
2093 FIXME(int21, "Unimplemented long file name function:\n");
2094 INT_BARF( context, 0x21 );
2096 AL_reg(context) = 0;
2100 case 0x47: /* Get current directory */
2101 TRACE(int21," LONG FILENAME - GET CURRENT DIRECTORY for drive %s\n",
2102 INT21_DriveName(DL_reg(context)));
2103 bSetDOSExtendedError = !INT21_GetCurrentDirectory(context);
2106 case 0x4e: /* Find first file */
2107 TRACE(int21," LONG FILENAME - FIND FIRST MATCHING FILE for %s\n",
2108 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context),EDX_reg(context)));
2109 /* FIXME: use attributes in CX */
2110 if ((AX_reg(context) = FindFirstFile16(
2111 CTX_SEG_OFF_TO_LIN(context, DS_reg(context),EDX_reg(context)),
2112 (WIN32_FIND_DATA32A *)CTX_SEG_OFF_TO_LIN(context, ES_reg(context),
2114 == INVALID_HANDLE_VALUE16)
2115 bSetDOSExtendedError = TRUE;
2117 case 0x4f: /* Find next file */
2118 TRACE(int21,"LONG FILENAME - FIND NEXT MATCHING FILE for handle %d\n",
2120 if (!FindNextFile16( BX_reg(context),
2121 (WIN32_FIND_DATA32A *)CTX_SEG_OFF_TO_LIN(context, ES_reg(context),
2123 bSetDOSExtendedError = TRUE;
2125 case 0xa1: /* Find close */
2126 TRACE(int21,"LONG FILENAME - FINDCLOSE for handle %d\n",
2128 bSetDOSExtendedError = (!FindClose16( BX_reg(context) ));
2131 TRACE(int21,"LONG FILENAME - GET VOLUME INFORMATION for drive %s stub\n",
2132 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context),EDX_reg(context)));
2135 switch(CL_reg(context))
2137 case 0x01: /*Get short filename or path */
2138 if (!GetShortPathName32A
2139 ( CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
2141 CTX_SEG_OFF_TO_LIN(context, ES_reg(context),
2142 EDI_reg(context)), 67))
2143 bSetDOSExtendedError = TRUE;
2144 else AX_reg(context) = 0;
2146 case 0x02: /*Get canonical long filename or path */
2147 if (!GetFullPathName32A
2148 ( CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
2149 ESI_reg(context)), 128,
2150 CTX_SEG_OFF_TO_LIN(context, ES_reg(context),
2151 EDI_reg(context)),NULL))
2152 bSetDOSExtendedError = TRUE;
2153 else AX_reg(context) = 0;
2156 FIXME(int21, "Unimplemented long file name function:\n");
2157 INT_BARF( context, 0x21 );
2159 AL_reg(context) = 0;
2163 case 0x6c: /* Create or open file */
2164 TRACE(int21,"LONG FILENAME - CREATE OR OPEN FILE %s\n",
2165 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), ESI_reg(context)));
2166 /* translate Dos 7 action to Dos 6 action */
2167 bSetDOSExtendedError = INT21_ExtendedOpenCreateFile(context);
2170 case 0x3b: /* Change directory */
2171 TRACE(int21,"LONG FILENAME - CHANGE DIRECTORY %s\n",
2172 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context)));
2173 if (!SetCurrentDirectory32A(CTX_SEG_OFF_TO_LIN(context,
2179 AL_reg(context) = DOS_ExtendedError;
2182 case 0x41: /* Delete file */
2183 TRACE(int21,"LONG FILENAME - DELETE FILE %s\n",
2184 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context)));
2185 if (!DeleteFile32A(CTX_SEG_OFF_TO_LIN(context,
2190 AL_reg(context) = DOS_ExtendedError;
2193 case 0x56: /* Move (rename) file */
2194 TRACE(int21,"LONG FILENAME - RENAME FILE %s to %s stub\n",
2195 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context)),
2196 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, ES_reg(context), EDI_reg(context)));
2198 FIXME(int21, "Unimplemented long file name function:\n");
2199 INT_BARF( context, 0x21 );
2201 AL_reg(context) = 0;
2206 case 0x70: /* MS-DOS 7 (Windows95) - ??? (country-specific?)*/
2207 case 0x72: /* MS-DOS 7 (Windows95) - ??? */
2208 case 0x73: /* MS-DOS 7 (Windows95) - DRIVE LOCKING ??? */
2209 TRACE(int21,"windows95 function AX %04x\n",
2211 WARN(int21, " returning unimplemented\n");
2213 AL_reg(context) = 0;
2216 case 0xdc: /* CONNECTION SERVICES - GET CONNECTION NUMBER */
2217 case 0xea: /* NOVELL NETWARE - RETURN SHELL VERSION */
2221 INT_BARF( context, 0x21 );
2224 } /* END OF SWITCH */
2226 if( bSetDOSExtendedError ) /* set general error condition */
2228 AX_reg(context) = DOS_ExtendedError;
2232 if ((EFL_reg(context) & 0x0001))
2233 TRACE(int21, "failed, errorcode 0x%02x class 0x%02x action 0x%02x locus %02x\n",
2234 DOS_ExtendedError, DOS_ErrorClass, DOS_ErrorAction, DOS_ErrorLocus);
2236 TRACE(int21, "returning: AX=%04x BX=%04x CX=%04x DX=%04x "
2237 "SI=%04x DI=%04x DS=%04x ES=%04x EFL=%08lx\n",
2238 AX_reg(context), BX_reg(context), CX_reg(context),
2239 DX_reg(context), SI_reg(context), DI_reg(context),
2240 (WORD)DS_reg(context), (WORD)ES_reg(context),
2244 FARPROC16 WINAPI GetSetKernelDOSProc(FARPROC16 DosProc)
2246 FIXME(int21, "(DosProc=0x%08x): stub\n", (UINT32)DosProc);