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 DOS_ERROR( 0, 0, 0, 0 );
1096 RESET_CFLAG(context); /* Not sure if this is a good idea */
1098 switch(AH_reg(context))
1100 case 0x03: /* READ CHARACTER FROM STDAUX */
1101 case 0x04: /* WRITE CHARACTER TO STDAUX */
1102 case 0x05: /* WRITE CHARACTER TO PRINTER */
1103 case 0x0f: /* OPEN FILE USING FCB */
1104 case 0x10: /* CLOSE FILE USING FCB */
1105 case 0x14: /* SEQUENTIAL READ FROM FCB FILE */
1106 case 0x15: /* SEQUENTIAL WRITE TO FCB FILE */
1107 case 0x16: /* CREATE OR TRUNCATE FILE USING FCB */
1108 case 0x21: /* READ RANDOM RECORD FROM FCB FILE */
1109 case 0x22: /* WRITE RANDOM RECORD TO FCB FILE */
1110 case 0x23: /* GET FILE SIZE FOR FCB */
1111 case 0x24: /* SET RANDOM RECORD NUMBER FOR FCB */
1112 case 0x26: /* CREATE NEW PROGRAM SEGMENT PREFIX */
1113 case 0x27: /* RANDOM BLOCK READ FROM FCB FILE */
1114 case 0x28: /* RANDOM BLOCK WRITE TO FCB FILE */
1115 case 0x54: /* GET VERIFY FLAG */
1116 INT_BARF( context, 0x21 );
1119 case 0x00: /* TERMINATE PROGRAM */
1120 TRACE(int21,"TERMINATE PROGRAM\n");
1124 case 0x01: /* READ CHARACTER FROM STANDARD INPUT, WITH ECHO */
1125 TRACE(int21,"DIRECT CHARACTER INPUT WITH ECHO\n");
1126 AL_reg(context) = CONSOLE_GetCharacter();
1127 /* FIXME: no echo */
1130 case 0x02: /* WRITE CHARACTER TO STANDARD OUTPUT */
1131 TRACE(int21, "Write Character to Standard Output\n");
1132 CONSOLE_Write(DL_reg(context), 0, 0, 0);
1135 case 0x06: /* DIRECT CONSOLE IN/OUTPUT */
1136 TRACE(int21, "Direct Console Input/Output\n");
1137 CONSOLE_Write(DL_reg(context), 0, 0, 0);
1140 case 0x07: /* DIRECT CHARACTER INPUT WITHOUT ECHO */
1141 TRACE(int21,"DIRECT CHARACTER INPUT WITHOUT ECHO\n");
1142 AL_reg(context) = CONSOLE_GetCharacter();
1145 case 0x08: /* CHARACTER INPUT WITHOUT ECHO */
1146 TRACE(int21,"CHARACTER INPUT WITHOUT ECHO\n");
1147 AL_reg(context) = CONSOLE_GetCharacter();
1150 case 0x09: /* WRITE STRING TO STANDARD OUTPUT */
1151 TRACE(int21,"WRITE '$'-terminated string from %04lX:%04X to stdout\n",
1152 DS_reg(context),DX_reg(context) );
1154 LPSTR data = CTX_SEG_OFF_TO_LIN(context,DS_reg(context),EDX_reg(context));
1155 LONG length = strchr(data,'$')-data;
1156 _hwrite16( 1, data, length);
1157 AL_reg(context) = '$'; /* yes, '$' (0x24) gets returned in AL */
1161 case 0x0a: /* BUFFERED INPUT */
1163 char *buffer = ((char *)CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
1164 EDX_reg(context) ));
1167 TRACE(int21,"BUFFERED INPUT (size=%d)\n",buffer[0]);
1169 TRACE(int21,"Handle old chars in buffer!\n");
1170 res=_lread16( 0, buffer+2,buffer[0]);
1172 if(buffer[res+1] == '\n')
1173 buffer[res+1] = '\r';
1177 case 0x0b: {/* GET STDIN STATUS */
1180 if (CONSOLE_CheckForKeystroke(&x1,&x2))
1181 AL_reg(context) = 0xff;
1183 AL_reg(context) = 0;
1186 case 0x2e: /* SET VERIFY FLAG */
1187 TRACE(int21,"SET VERIFY FLAG ignored\n");
1188 /* we cannot change the behaviour anyway, so just ignore it */
1191 case 0x18: /* NULL FUNCTIONS FOR CP/M COMPATIBILITY */
1195 case 0x6b: /* NULL FUNCTION */
1196 AL_reg(context) = 0;
1199 case 0x5c: /* "FLOCK" - RECORD LOCKING */
1203 case 0x0d: /* DISK BUFFER FLUSH */
1204 TRACE(int21,"DISK BUFFER FLUSH ignored\n");
1205 RESET_CFLAG(context); /* dos 6+ only */
1208 case 0x0e: /* SELECT DEFAULT DRIVE */
1209 TRACE(int21,"SELECT DEFAULT DRIVE %d\n", DL_reg(context));
1210 DRIVE_SetCurrentDrive( DL_reg(context) );
1211 AL_reg(context) = MAX_DOS_DRIVES;
1214 case 0x11: /* FIND FIRST MATCHING FILE USING FCB */
1215 TRACE(int21,"FIND FIRST MATCHING FILE USING FCB %p\n",
1216 CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context)));
1217 if (!INT21_FindFirstFCB(context))
1219 AL_reg(context) = 0xff;
1222 /* else fall through */
1224 case 0x12: /* FIND NEXT MATCHING FILE USING FCB */
1225 AL_reg(context) = INT21_FindNextFCB(context) ? 0x00 : 0xff;
1228 case 0x13: /* DELETE FILE USING FCB */
1229 DeleteFileFCB(context);
1232 case 0x17: /* RENAME FILE USING FCB */
1233 RenameFileFCB(context);
1236 case 0x19: /* GET CURRENT DEFAULT DRIVE */
1237 AL_reg(context) = DRIVE_GetCurrentDrive();
1240 case 0x1a: /* SET DISK TRANSFER AREA ADDRESS */
1242 TDB *pTask = (TDB *)GlobalLock16( GetCurrentTask() );
1243 pTask->dta = PTR_SEG_OFF_TO_SEGPTR(DS_reg(context),DX_reg(context));
1244 TRACE(int21, "Set DTA: %08lx\n", pTask->dta);
1248 case 0x1b: /* GET ALLOCATION INFORMATION FOR DEFAULT DRIVE */
1249 DL_reg(context) = 0;
1250 if (!INT21_GetDriveAllocInfo(context)) AX_reg(context) = 0xffff;
1253 case 0x1c: /* GET ALLOCATION INFORMATION FOR SPECIFIC DRIVE */
1254 if (!INT21_GetDriveAllocInfo(context)) AX_reg(context) = 0xffff;
1257 case 0x1f: /* GET DRIVE PARAMETER BLOCK FOR DEFAULT DRIVE */
1258 GetDrivePB(context, DRIVE_GetCurrentDrive());
1261 case 0x25: /* SET INTERRUPT VECTOR */
1262 INT_CtxSetHandler( context, AL_reg(context),
1263 (FARPROC16)PTR_SEG_OFF_TO_SEGPTR( DS_reg(context),
1267 case 0x29: /* PARSE FILENAME INTO FCB */
1268 INT21_ParseFileNameIntoFCB(context);
1271 case 0x2a: /* GET SYSTEM DATE */
1272 INT21_GetSystemDate(context);
1275 case 0x2b: /* SET SYSTEM DATE */
1276 FIXME(int21, "SetSystemDate(%02d/%02d/%04d): not allowed\n",
1277 DL_reg(context), DH_reg(context), CX_reg(context) );
1278 AL_reg(context) = 0; /* Let's pretend we succeeded */
1281 case 0x2c: /* GET SYSTEM TIME */
1282 INT21_GetSystemTime(context);
1285 case 0x2d: /* SET SYSTEM TIME */
1286 FIXME(int21, "SetSystemTime(%02d:%02d:%02d.%02d): not allowed\n",
1287 CH_reg(context), CL_reg(context),
1288 DH_reg(context), DL_reg(context) );
1289 AL_reg(context) = 0; /* Let's pretend we succeeded */
1292 case 0x2f: /* GET DISK TRANSFER AREA ADDRESS */
1293 TRACE(int21,"GET DISK TRANSFER AREA ADDRESS\n");
1295 TDB *pTask = (TDB *)GlobalLock16( GetCurrentTask() );
1296 ES_reg(context) = SELECTOROF( pTask->dta );
1297 BX_reg(context) = OFFSETOF( pTask->dta );
1301 case 0x30: /* GET DOS VERSION */
1302 TRACE(int21,"GET DOS VERSION %s requested\n",
1303 (AL_reg(context) == 0x00)?"OEM number":"version flag");
1304 AX_reg(context) = (HIWORD(GetVersion16()) >> 8) |
1305 (HIWORD(GetVersion16()) << 8);
1307 AH_reg(context) = 0x7;
1308 AL_reg(context) = 0xA;
1311 BX_reg(context) = 0x00FF; /* 0x123456 is Wine's serial # */
1312 CX_reg(context) = 0x0000;
1315 case 0x31: /* TERMINATE AND STAY RESIDENT */
1316 FIXME(int21,"TERMINATE AND STAY RESIDENT stub\n");
1319 case 0x32: /* GET DOS DRIVE PARAMETER BLOCK FOR SPECIFIC DRIVE */
1320 TRACE(int21,"GET DOS DRIVE PARAMETER BLOCK FOR DRIVE %s\n",
1321 INT21_DriveName( DL_reg(context)));
1322 GetDrivePB(context, DOS_GET_DRIVE( DL_reg(context) ) );
1325 case 0x33: /* MULTIPLEXED */
1326 switch (AL_reg(context))
1328 case 0x00: /* GET CURRENT EXTENDED BREAK STATE */
1329 TRACE(int21,"GET CURRENT EXTENDED BREAK STATE\n");
1330 DL_reg(context) = DOSCONF_config.brk_flag;
1333 case 0x01: /* SET EXTENDED BREAK STATE */
1334 TRACE(int21,"SET CURRENT EXTENDED BREAK STATE\n");
1335 DOSCONF_config.brk_flag = (DL_reg(context) > 0);
1338 case 0x02: /* GET AND SET EXTENDED CONTROL-BREAK CHECKING STATE*/
1339 TRACE(int21,"GET AND SET EXTENDED CONTROL-BREAK CHECKING STATE\n");
1340 /* ugly coding in order to stay reentrant */
1341 if (DL_reg(context))
1343 DL_reg(context) = DOSCONF_config.brk_flag;
1344 DOSCONF_config.brk_flag = 1;
1348 DL_reg(context) = DOSCONF_config.brk_flag;
1349 DOSCONF_config.brk_flag = 0;
1353 case 0x05: /* GET BOOT DRIVE */
1354 TRACE(int21,"GET BOOT DRIVE\n");
1355 DL_reg(context) = 3;
1356 /* c: is Wine's bootdrive (a: is 1)*/
1359 case 0x06: /* GET TRUE VERSION NUMBER */
1360 TRACE(int21,"GET TRUE VERSION NUMBER\n");
1361 BX_reg(context) = (HIWORD(GetVersion16() >> 8)) |
1362 (HIWORD(GetVersion16() << 8));
1363 DX_reg(context) = 0x00;
1367 INT_BARF( context, 0x21 );
1372 case 0x34: /* GET ADDRESS OF INDOS FLAG */
1373 TRACE(int21,"GET ADDRESS OF INDOS FLAG\n");
1374 if (!heap) INT21_CreateHeap();
1375 ES_reg(context) = DosHeapHandle;
1376 BX_reg(context) = (int)&heap->InDosFlag - (int)heap;
1379 case 0x35: /* GET INTERRUPT VECTOR */
1380 TRACE(int21,"GET INTERRUPT VECTOR 0x%02x\n",AL_reg(context));
1382 FARPROC16 addr = INT_CtxGetHandler( context, AL_reg(context) );
1383 ES_reg(context) = SELECTOROF(addr);
1384 BX_reg(context) = OFFSETOF(addr);
1388 case 0x36: /* GET FREE DISK SPACE */
1389 TRACE(int21,"GET FREE DISK SPACE FOR DRIVE %s\n",
1390 INT21_DriveName( DL_reg(context)));
1391 if (!INT21_GetFreeDiskSpace(context)) AX_reg(context) = 0xffff;
1396 unsigned char switchchar='/';
1397 switch (AL_reg(context))
1399 case 0x00: /* "SWITCHAR" - GET SWITCH CHARACTER */
1400 TRACE(int21,"SWITCHAR - GET SWITCH CHARACTER\n");
1401 AL_reg(context) = 0x00; /* success*/
1402 DL_reg(context) = switchchar;
1404 case 0x01: /*"SWITCHAR" - SET SWITCH CHARACTER*/
1405 TRACE(int21,"SWITCHAR - SET SWITCH CHARACTER\n");
1406 switchchar = DL_reg(context);
1407 AL_reg(context) = 0x00; /* success*/
1409 default: /*"AVAILDEV" - SPECIFY \DEV\ PREFIX USE*/
1410 INT_BARF( context, 0x21 );
1416 case 0x38: /* GET COUNTRY-SPECIFIC INFORMATION */
1417 TRACE(int21,"GET COUNTRY-SPECIFIC INFORMATION for country 0x%02x\n",
1419 AX_reg(context) = 0x02; /* no country support available */
1423 case 0x39: /* "MKDIR" - CREATE SUBDIRECTORY */
1424 TRACE(int21,"MKDIR %s\n",
1425 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context)));
1426 bSetDOSExtendedError = (!CreateDirectory16( CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
1427 EDX_reg(context) ), NULL));
1430 case 0x3a: /* "RMDIR" - REMOVE SUBDIRECTORY */
1431 TRACE(int21,"RMDIR %s\n",
1432 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context)));
1433 bSetDOSExtendedError = (!RemoveDirectory16( CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
1434 EDX_reg(context) )));
1437 case 0x3b: /* "CHDIR" - SET CURRENT DIRECTORY */
1438 TRACE(int21,"CHDIR %s\n",
1439 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context)));
1440 bSetDOSExtendedError = !INT21_ChangeDir(context);
1443 case 0x3c: /* "CREAT" - CREATE OR TRUNCATE FILE */
1444 TRACE(int21,"CREAT flag 0x%02x %s\n",CX_reg(context),
1445 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context)));
1446 AX_reg(context) = _lcreat16( CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
1447 EDX_reg(context) ), CX_reg(context) );
1448 bSetDOSExtendedError = (AX_reg(context) == (WORD)HFILE_ERROR16);
1451 case 0x3d: /* "OPEN" - OPEN EXISTING FILE */
1452 TRACE(int21,"OPEN mode 0x%02x %s\n",AL_reg(context),
1453 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context)));
1454 OpenExistingFile(context);
1457 case 0x3e: /* "CLOSE" - CLOSE FILE */
1458 TRACE(int21,"CLOSE handle %d\n",BX_reg(context));
1459 bSetDOSExtendedError = ((AX_reg(context) = _lclose16( BX_reg(context) )) != 0);
1462 case 0x3f: /* "READ" - READ FROM FILE OR DEVICE */
1463 TRACE(int21,"READ from %d to %04lX:%04X for %d byte\n",BX_reg(context),
1464 DS_reg(context),DX_reg(context),CX_reg(context) );
1468 result = _hread16( BX_reg(context),
1469 CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
1473 result = WIN16_hread( BX_reg(context),
1474 PTR_SEG_OFF_TO_SEGPTR( DS_reg(context),
1477 if (result == -1) bSetDOSExtendedError = TRUE;
1478 else AX_reg(context) = (WORD)result;
1482 case 0x40: /* "WRITE" - WRITE TO FILE OR DEVICE */
1483 TRACE(int21,"WRITE from %04lX:%04X to handle %d for %d byte\n",
1484 DS_reg(context),DX_reg(context),BX_reg(context),CX_reg(context) );
1486 LONG result = _hwrite16( BX_reg(context),
1487 CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
1490 if (result == -1) bSetDOSExtendedError = TRUE;
1491 else AX_reg(context) = (WORD)result;
1495 case 0x41: /* "UNLINK" - DELETE FILE */
1496 TRACE(int21,"UNLINK%s\n",
1497 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context)));
1498 bSetDOSExtendedError = (!DeleteFile32A( CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
1499 EDX_reg(context) )));
1502 case 0x42: /* "LSEEK" - SET CURRENT FILE POSITION */
1503 TRACE(int21,"LSEEK handle %d offset %ld from %s\n",
1504 BX_reg(context), MAKELONG(DX_reg(context),CX_reg(context)),
1505 (AL_reg(context)==0)?"start of file":(AL_reg(context)==1)?
1506 "current file position":"end of file");
1508 LONG status = _llseek16( BX_reg(context),
1509 MAKELONG(DX_reg(context),CX_reg(context)),
1511 if (status == -1) bSetDOSExtendedError = TRUE;
1514 AX_reg(context) = LOWORD(status);
1515 DX_reg(context) = HIWORD(status);
1520 case 0x43: /* FILE ATTRIBUTES */
1521 switch (AL_reg(context))
1524 TRACE(int21,"GET FILE ATTRIBUTES for %s\n",
1525 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context)));
1526 AX_reg(context) = (WORD)GetFileAttributes32A(
1527 CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
1529 if (AX_reg(context) == 0xffff) bSetDOSExtendedError = TRUE;
1530 else CX_reg(context) = AX_reg(context);
1534 TRACE(int21,"SET FILE ATTRIBUTES 0x%02x for %s\n", CX_reg(context),
1535 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context)));
1536 bSetDOSExtendedError =
1537 (!SetFileAttributes32A( CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
1542 TRACE(int21,"GET COMPRESSED FILE SIZE for %s stub\n",
1543 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context)));
1547 case 0x44: /* IOCTL */
1548 switch (AL_reg(context))
1551 ioctlGetDeviceInfo(context);
1557 const DOS_DEVICE *dev;
1558 if ((dev = DOSFS_GetDeviceByHandle( FILE_GetHandle32(BX_reg(context)) )) &&
1559 !strcasecmp( dev->name, "SCSIMGR$" ))
1561 ASPI_DOS_HandleInt(context);
1565 case 0x05:{ /* IOCTL - WRITE TO BLOCK DEVICE CONTROL CHANNEL */
1566 /*BYTE *dataptr = CTX_SEG_OFF_TO_LIN(context, DS_reg(context),EDX_reg(context));*/
1567 int drive = DOS_GET_DRIVE(BL_reg(context));
1569 FIXME(int21,"program tried to write to block device control channel of drive %d:\n",drive);
1570 /* for (i=0;i<CX_reg(context);i++)
1571 fprintf(stdnimp,"%02x ",dataptr[i]);
1572 fprintf(stdnimp,"\n");*/
1573 AX_reg(context)=CX_reg(context);
1576 case 0x08: /* Check if drive is removable. */
1577 TRACE(int21,"IOCTL - CHECK IF BLOCK DEVICE REMOVABLE for drive %s\n",
1578 INT21_DriveName( BL_reg(context)));
1579 switch(GetDriveType16( DOS_GET_DRIVE( BL_reg(context) )))
1581 case DRIVE_CANNOTDETERMINE:
1582 DOS_ERROR( ER_InvalidDrive, EC_NotFound, SA_Abort, EL_Disk );
1583 AX_reg(context) = ER_InvalidDrive;
1586 case DRIVE_REMOVABLE:
1587 AX_reg(context) = 0; /* removable */
1590 AX_reg(context) = 1; /* not removable */
1595 case 0x09: /* CHECK IF BLOCK DEVICE REMOTE */
1596 TRACE(int21,"IOCTL - CHECK IF BLOCK DEVICE REMOTE for drive %s\n",
1597 INT21_DriveName( BL_reg(context)));
1598 switch(GetDriveType16( DOS_GET_DRIVE( BL_reg(context) )))
1600 case DRIVE_CANNOTDETERMINE:
1601 DOS_ERROR( ER_InvalidDrive, EC_NotFound, SA_Abort, EL_Disk );
1602 AX_reg(context) = ER_InvalidDrive;
1606 DX_reg(context) = (1<<9) | (1<<12); /* remote */
1609 DX_reg(context) = 0; /* FIXME: use driver attr here */
1614 case 0x0a: /* check if handle (BX) is remote */
1615 TRACE(int21,"IOCTL - CHECK IF HANDLE %d IS REMOTE\n",BX_reg(context));
1616 /* returns DX, bit 15 set if remote, bit 14 set if date/time
1619 DX_reg(context) = 0;
1622 case 0x0b: /* SET SHARING RETRY COUNT */
1623 TRACE(int21,"IOCTL - SET SHARING RETRY COUNT pause %d retries %d\n",
1624 CX_reg(context), DX_reg(context));
1625 if (!CX_reg(context))
1627 AX_reg(context) = 1;
1631 sharing_pause = CX_reg(context);
1632 if (!DX_reg(context))
1633 sharing_retries = DX_reg(context);
1634 RESET_CFLAG(context);
1638 TRACE(int21,"IOCTL - GENERIC BLOCK DEVICE REQUEST %s\n",
1639 INT21_DriveName( BL_reg(context)));
1640 bSetDOSExtendedError = ioctlGenericBlkDevReq(context);
1643 case 0x0e: /* get logical drive mapping */
1644 TRACE(int21,"IOCTL - GET LOGICAL DRIVE MAP for drive %s\n",
1645 INT21_DriveName( BL_reg(context)));
1646 AL_reg(context) = 0; /* drive has no mapping - FIXME: may be wrong*/
1649 case 0x0F: /* Set logical drive mapping */
1652 TRACE(int21,"IOCTL - SET LOGICAL DRIVE MAP for drive %s\n",
1653 INT21_DriveName( BL_reg(context)));
1654 drive = DOS_GET_DRIVE ( BL_reg(context) );
1655 if ( ! DRIVE_SetLogicalMapping ( drive, drive+1 ) )
1658 AX_reg(context) = 0x000F; /* invalid drive */
1663 case 0xe0: /* Sun PC-NFS API */
1668 INT_BARF( context, 0x21 );
1673 case 0x45: /* "DUP" - DUPLICATE FILE HANDLE */
1676 TRACE(int21,"DUP - DUPLICATE FILE HANDLE %d\n",BX_reg(context));
1677 if ((bSetDOSExtendedError = !DuplicateHandle( GetCurrentProcess(),
1678 FILE_GetHandle32(BX_reg(context)),
1679 GetCurrentProcess(), &handle,
1680 0, TRUE, DUPLICATE_SAME_ACCESS )))
1681 AX_reg(context) = HFILE_ERROR16;
1683 AX_reg(context) = FILE_AllocDosHandle(handle);
1687 case 0x46: /* "DUP2", "FORCEDUP" - FORCE DUPLICATE FILE HANDLE */
1688 TRACE(int21,"FORCEDUP - FORCE DUPLICATE FILE HANDLE %d to %d\n",
1689 BX_reg(context),CX_reg(context));
1690 bSetDOSExtendedError = (FILE_Dup2( BX_reg(context), CX_reg(context) ) == HFILE_ERROR16);
1693 case 0x47: /* "CWD" - GET CURRENT DIRECTORY */
1694 TRACE(int21,"CWD - GET CURRENT DIRECTORY for drive %s\n",
1695 INT21_DriveName( DL_reg(context)));
1696 bSetDOSExtendedError = !INT21_GetCurrentDirectory(context);
1699 case 0x48: /* ALLOCATE MEMORY */
1700 TRACE(int21,"ALLOCATE MEMORY for %d paragraphs\n", BX_reg(context));
1705 mem= DOSMEM_GetBlock(0,(DWORD)BX_reg(context)<<4,NULL);
1707 AX_reg(context) = DOSMEM_MapLinearToDos(mem)>>4;
1711 mem = (LPVOID)GlobalDOSAlloc(BX_reg(context)<<4);
1713 AX_reg(context) = (DWORD)mem&0xffff;
1718 AX_reg(context) = 0x0008; /* insufficient memory */
1719 BX_reg(context) = DOSMEM_Available(0)>>4;
1724 case 0x49: /* FREE MEMORY */
1725 TRACE(int21,"FREE MEMORY segment %04lX\n", ES_reg(context));
1729 ret= DOSMEM_FreeBlock(0,DOSMEM_MapDosToLinear(ES_reg(context)<<4));
1732 ret = !GlobalDOSFree(ES_reg(context));
1733 /* If we don't reset ES_reg, we will fail in the relay code */
1734 ES_reg(context)=ret;
1738 TRACE(int21,"FREE MEMORY failed\n");
1740 AX_reg(context) = 0x0009; /* memory block address invalid */
1745 case 0x4a: /* RESIZE MEMORY BLOCK */
1746 TRACE(int21,"RESIZE MEMORY segment %04lX to %d paragraphs\n", ES_reg(context), BX_reg(context));
1747 if (!ISV86(context))
1748 FIXME(int21,"RESIZE MEMORY probably insufficent implementation. Expect crash soon\n");
1750 LPVOID *mem = DOSMEM_ResizeBlock(0,DOSMEM_MapDosToLinear(ES_reg(context)<<4),
1751 BX_reg(context)<<4,NULL);
1753 AX_reg(context) = DOSMEM_MapLinearToDos(mem)>>4;
1756 AX_reg(context) = 0x0008; /* insufficient memory */
1757 BX_reg(context) = DOSMEM_Available(0)>>4; /* not quite right */
1762 case 0x4b: /* "EXEC" - LOAD AND/OR EXECUTE PROGRAM */
1763 TRACE(int21,"EXEC %s\n",
1764 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context),EDX_reg(context) ));
1765 AX_reg(context) = WinExec16( CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
1768 if (AX_reg(context) < 32) SET_CFLAG(context);
1771 case 0x4c: /* "EXIT" - TERMINATE WITH RETURN CODE */
1772 TRACE(int21,"EXIT with return code %d\n",AL_reg(context));
1773 ExitProcess( AL_reg(context) );
1776 case 0x4d: /* GET RETURN CODE */
1777 TRACE(int21,"GET RETURN CODE (ERRORLEVEL)\n");
1778 AX_reg(context) = 0; /* normal exit */
1781 case 0x4e: /* "FINDFIRST" - FIND FIRST MATCHING FILE */
1782 TRACE(int21,"FINDFIRST mask 0x%04x spec %s\n",CX_reg(context),
1783 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context)));
1784 if (!INT21_FindFirst(context)) break;
1787 case 0x4f: /* "FINDNEXT" - FIND NEXT MATCHING FILE */
1788 TRACE(int21,"FINDNEXT\n");
1789 if (!INT21_FindNext(context))
1791 DOS_ERROR( ER_NoMoreFiles, EC_MediaError, SA_Abort, EL_Disk );
1792 AX_reg(context) = ER_NoMoreFiles;
1795 else AX_reg(context) = 0; /* OK */
1797 case 0x50: /* SET CURRENT PROCESS ID (SET PSP ADDRESS) */
1798 TRACE(int21, "SET CURRENT PROCESS ID (SET PSP ADDRESS)\n");
1799 INT21_SetCurrentPSP(BX_reg(context));
1801 case 0x51: /* GET PSP ADDRESS */
1802 TRACE(int21,"GET CURRENT PROCESS ID (GET PSP ADDRESS)\n");
1803 /* FIXME: should we return the original DOS PSP upon */
1804 /* Windows startup ? */
1805 BX_reg(context) = INT21_GetCurrentPSP();
1807 case 0x62: /* GET PSP ADDRESS */
1808 TRACE(int21,"GET CURRENT PSP ADDRESS\n");
1809 /* FIXME: should we return the original DOS PSP upon */
1810 /* Windows startup ? */
1811 BX_reg(context) = INT21_GetCurrentPSP();
1814 case 0x52: /* "SYSVARS" - GET LIST OF LISTS */
1815 TRACE(int21,"SYSVARS - GET LIST OF LISTS\n");
1818 lol = INT21_GetListOfLists();
1819 ES_reg(context) = HIWORD(lol);
1820 BX_reg(context) = LOWORD(lol);
1824 case 0x56: /* "RENAME" - RENAME FILE */
1825 TRACE(int21,"RENAME %s to %s\n",
1826 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context),EDX_reg(context)),
1827 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, ES_reg(context),EDI_reg(context)));
1828 bSetDOSExtendedError =
1829 (!MoveFile32A( CTX_SEG_OFF_TO_LIN(context, DS_reg(context),EDX_reg(context)),
1830 CTX_SEG_OFF_TO_LIN(context, ES_reg(context),EDI_reg(context))));
1833 case 0x57: /* FILE DATE AND TIME */
1834 switch (AL_reg(context))
1836 case 0x00: /* Get */
1839 TRACE(int21,"GET FILE DATE AND TIME for handle %d\n",
1841 if (!GetFileTime( FILE_GetHandle32(BX_reg(context)), NULL, NULL, &filetime ))
1842 bSetDOSExtendedError = TRUE;
1843 else FileTimeToDosDateTime( &filetime, &DX_reg(context),
1848 case 0x01: /* Set */
1851 TRACE(int21,"SET FILE DATE AND TIME for handle %d\n",
1853 DosDateTimeToFileTime( DX_reg(context), CX_reg(context),
1855 bSetDOSExtendedError =
1856 (!SetFileTime( FILE_GetHandle32(BX_reg(context)),
1857 NULL, NULL, &filetime ));
1863 case 0x58: /* GET OR SET MEMORY/UMB ALLOCATION STRATEGY */
1864 TRACE(int21,"GET OR SET MEMORY/UMB ALLOCATION STRATEGY subfunction %d\n",
1866 switch (AL_reg(context))
1869 AX_reg(context) = 1;
1872 AX_reg(context) = 0;
1878 RESET_CFLAG(context);
1881 case 0x5a: /* CREATE TEMPORARY FILE */
1882 TRACE(int21,"CREATE TEMPORARY FILE\n");
1883 bSetDOSExtendedError = !INT21_CreateTempFile(context);
1886 case 0x5b: /* CREATE NEW FILE */
1887 TRACE(int21,"CREATE NEW FILE 0x%02x for %s\n", CX_reg(context),
1888 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context)));
1889 bSetDOSExtendedError = ((AX_reg(context) =
1890 _lcreat16_uniq( CTX_SEG_OFF_TO_LIN(context, DS_reg(context),EDX_reg(context)), 0 ))
1891 == (WORD)HFILE_ERROR16);
1894 case 0x5d: /* NETWORK */
1895 FIXME(int21,"Function 0x%04x not implemented.\n", AX_reg (context));
1896 /* Fix the following while you're at it. */
1897 DOS_ERROR( ER_NoNetwork, EC_NotFound, SA_Abort, EL_Network );
1898 bSetDOSExtendedError = TRUE;
1902 bSetDOSExtendedError = INT21_networkfunc (context);
1905 case 0x5f: /* NETWORK */
1906 switch (AL_reg(context))
1908 case 0x07: /* ENABLE DRIVE */
1909 TRACE(int21,"ENABLE DRIVE %c:\n",(DL_reg(context)+'A'));
1910 if (!DRIVE_Enable( DL_reg(context) ))
1912 DOS_ERROR( ER_InvalidDrive, EC_MediaError, SA_Abort, EL_Disk );
1913 bSetDOSExtendedError = TRUE;
1917 case 0x08: /* DISABLE DRIVE */
1918 TRACE(int21,"DISABLE DRIVE %c:\n",(DL_reg(context)+'A'));
1919 if (!DRIVE_Disable( DL_reg(context) ))
1921 DOS_ERROR( ER_InvalidDrive, EC_MediaError, SA_Abort, EL_Disk );
1922 bSetDOSExtendedError = TRUE;
1927 /* network software not installed */
1928 TRACE(int21,"NETWORK function AX=%04x not implemented\n",AX_reg(context));
1929 DOS_ERROR( ER_NoNetwork, EC_NotFound, SA_Abort, EL_Network );
1930 bSetDOSExtendedError = TRUE;
1935 case 0x60: /* "TRUENAME" - CANONICALIZE FILENAME OR PATH */
1936 TRACE(int21,"TRUENAME %s\n",
1937 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context),ESI_reg(context)));
1939 if (!GetFullPathName32A( CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
1940 ESI_reg(context)), 128,
1941 CTX_SEG_OFF_TO_LIN(context, ES_reg(context),
1942 EDI_reg(context)),NULL))
1943 bSetDOSExtendedError = TRUE;
1944 else AX_reg(context) = 0;
1948 case 0x61: /* UNUSED */
1949 case 0x63: /* misc. language support */
1950 switch (AL_reg(context)) {
1951 case 0x00: /* GET DOUBLE BYTE CHARACTER SET LEAD-BYTE TABLE */
1952 INT21_GetDBCSLeadTable(context);
1956 case 0x64: /* OS/2 DOS BOX */
1957 INT_BARF( context, 0x21 );
1961 case 0x65:{/* GET EXTENDED COUNTRY INFORMATION */
1962 extern WORD WINE_LanguageId;
1963 BYTE *dataptr=CTX_SEG_OFF_TO_LIN(context, ES_reg(context),EDI_reg(context));
1964 TRACE(int21,"GET EXTENDED COUNTRY INFORMATION code page %d country %d\n",
1965 BX_reg(context), DX_reg(context));
1966 switch (AL_reg(context)) {
1968 TRACE(int21,"\tget general internationalization info\n");
1970 *(WORD*)(dataptr+1) = 41;
1971 *(WORD*)(dataptr+3) = WINE_LanguageId;
1972 *(WORD*)(dataptr+5) = CodePage;
1973 *(DWORD*)(dataptr+0x19) = 0; /* FIXME: ptr to case map routine */
1976 TRACE(int21,"\tget pointer to collating sequence table\n");
1978 *(DWORD*)(dataptr+1) = MAKELONG(DOSMEM_CollateTable & 0xFFFF,DOSMEM_AllocSelector(DOSMEM_CollateTable>>16));
1979 CX_reg(context) = 258;/*FIXME: size of table?*/
1982 TRACE(int21,"\tunimplemented function %d\n",AL_reg(context));
1983 INT_BARF( context, 0x21 );
1989 case 0x66: /* GLOBAL CODE PAGE TABLE */
1990 switch (AL_reg(context))
1993 TRACE(int21,"GET GLOBAL CODE PAGE TABLE\n");
1994 DX_reg(context) = BX_reg(context) = CodePage;
1995 RESET_CFLAG(context);
1998 TRACE(int21,"SET GLOBAL CODE PAGE TABLE active page %d system page %d\n",
1999 BX_reg(context),DX_reg(context));
2000 CodePage = BX_reg(context);
2001 RESET_CFLAG(context);
2006 case 0x67: /* SET HANDLE COUNT */
2007 TRACE(int21,"SET HANDLE COUNT to %d\n",BX_reg(context) );
2008 SetHandleCount16( BX_reg(context) );
2009 if (DOS_ExtendedError) bSetDOSExtendedError = TRUE;
2012 case 0x68: /* "FFLUSH" - COMMIT FILE */
2013 case 0x6a: /* COMMIT FILE */
2014 TRACE(int21,"FFLUSH/COMMIT handle %d\n",BX_reg(context));
2015 bSetDOSExtendedError = (!FlushFileBuffers( FILE_GetHandle32(BX_reg(context)) ));
2018 case 0x69: /* DISK SERIAL NUMBER */
2019 switch (AL_reg(context))
2022 TRACE(int21,"GET DISK SERIAL NUMBER for drive %s\n",
2023 INT21_DriveName(BL_reg(context)));
2024 if (!INT21_GetDiskSerialNumber(context)) bSetDOSExtendedError = TRUE;
2025 else AX_reg(context) = 0;
2029 TRACE(int21,"SET DISK SERIAL NUMBER for drive %s\n",
2030 INT21_DriveName(BL_reg(context)));
2031 if (!INT21_SetDiskSerialNumber(context)) bSetDOSExtendedError = TRUE;
2032 else AX_reg(context) = 1;
2037 case 0x6C: /* Extended Open/Create*/
2038 TRACE(int21,"EXTENDED OPEN/CREATE %s\n",
2039 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDI_reg(context)));
2040 bSetDOSExtendedError = INT21_ExtendedOpenCreateFile(context);
2043 case 0x71: /* MS-DOS 7 (Windows95) - LONG FILENAME FUNCTIONS */
2044 if ((GetVersion32()&0xC0000004)!=0xC0000004) {
2045 /* not supported on anything but Win95 */
2046 TRACE(int21,"LONG FILENAME functions supported only by win95\n");
2048 AL_reg(context) = 0;
2050 switch(AL_reg(context))
2052 case 0x39: /* Create directory */
2053 TRACE(int21,"LONG FILENAME - MAKE DIRECTORY %s\n",
2054 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context),EDX_reg(context)));
2055 bSetDOSExtendedError = (!CreateDirectory32A(
2056 CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
2057 EDX_reg(context) ), NULL));
2059 case 0x3a: /* Remove directory */
2060 TRACE(int21,"LONG FILENAME - REMOVE DIRECTORY %s\n",
2061 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context),EDX_reg(context)));
2062 bSetDOSExtendedError = (!RemoveDirectory32A(
2063 CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
2064 EDX_reg(context) )));
2066 case 0x43: /* Get/Set file attributes */
2067 TRACE(int21,"LONG FILENAME -EXTENDED GET/SET FILE ATTRIBUTES %s\n",
2068 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context),EDX_reg(context)));
2069 switch (BL_reg(context))
2071 case 0x00: /* Get file attributes */
2072 TRACE(int21,"\tretrieve attributes\n");
2073 CX_reg(context) = (WORD)GetFileAttributes32A(
2074 CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
2076 if (CX_reg(context) == 0xffff) bSetDOSExtendedError = TRUE;
2079 TRACE(int21,"\tset attributes 0x%04x\n",CX_reg(context));
2080 bSetDOSExtendedError = (!SetFileAttributes32A(
2081 CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
2083 CX_reg(context) ) );
2086 FIXME(int21, "Unimplemented long file name function:\n");
2087 INT_BARF( context, 0x21 );
2089 AL_reg(context) = 0;
2093 case 0x47: /* Get current directory */
2094 TRACE(int21," LONG FILENAME - GET CURRENT DIRECTORY for drive %s\n",
2095 INT21_DriveName(DL_reg(context)));
2096 bSetDOSExtendedError = !INT21_GetCurrentDirectory(context);
2099 case 0x4e: /* Find first file */
2100 TRACE(int21," LONG FILENAME - FIND FIRST MATCHING FILE for %s\n",
2101 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context),EDX_reg(context)));
2102 /* FIXME: use attributes in CX */
2103 if ((AX_reg(context) = FindFirstFile16(
2104 CTX_SEG_OFF_TO_LIN(context, DS_reg(context),EDX_reg(context)),
2105 (WIN32_FIND_DATA32A *)CTX_SEG_OFF_TO_LIN(context, ES_reg(context),
2107 == INVALID_HANDLE_VALUE16)
2108 bSetDOSExtendedError = TRUE;
2110 case 0x4f: /* Find next file */
2111 TRACE(int21,"LONG FILENAME - FIND NEXT MATCHING FILE for handle %d\n",
2113 if (!FindNextFile16( BX_reg(context),
2114 (WIN32_FIND_DATA32A *)CTX_SEG_OFF_TO_LIN(context, ES_reg(context),
2116 bSetDOSExtendedError = TRUE;
2118 case 0xa1: /* Find close */
2119 TRACE(int21,"LONG FILENAME - FINDCLOSE for handle %d\n",
2121 bSetDOSExtendedError = (!FindClose16( BX_reg(context) ));
2124 TRACE(int21,"LONG FILENAME - GET VOLUME INFORMATION for drive %s stub\n",
2125 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context),EDX_reg(context)));
2128 switch(CL_reg(context))
2130 case 0x01: /*Get short filename or path */
2131 if (!GetShortPathName32A
2132 ( CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
2134 CTX_SEG_OFF_TO_LIN(context, ES_reg(context),
2135 EDI_reg(context)), 67))
2136 bSetDOSExtendedError = TRUE;
2137 else AX_reg(context) = 0;
2139 case 0x02: /*Get canonical long filename or path */
2140 if (!GetFullPathName32A
2141 ( CTX_SEG_OFF_TO_LIN(context, DS_reg(context),
2142 ESI_reg(context)), 128,
2143 CTX_SEG_OFF_TO_LIN(context, ES_reg(context),
2144 EDI_reg(context)),NULL))
2145 bSetDOSExtendedError = TRUE;
2146 else AX_reg(context) = 0;
2149 FIXME(int21, "Unimplemented long file name function:\n");
2150 INT_BARF( context, 0x21 );
2152 AL_reg(context) = 0;
2156 case 0x6c: /* Create or open file */
2157 TRACE(int21,"LONG FILENAME - CREATE OR OPEN FILE %s\n",
2158 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), ESI_reg(context)));
2159 /* translate Dos 7 action to Dos 6 action */
2160 bSetDOSExtendedError = INT21_ExtendedOpenCreateFile(context);
2163 case 0x3b: /* Change directory */
2164 TRACE(int21,"LONG FILENAME - CHANGE DIRECTORY %s\n",
2165 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context)));
2166 if (!SetCurrentDirectory32A(CTX_SEG_OFF_TO_LIN(context,
2172 AL_reg(context) = DOS_ExtendedError;
2175 case 0x41: /* Delete file */
2176 TRACE(int21,"LONG FILENAME - DELETE FILE %s\n",
2177 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context)));
2178 if (!DeleteFile32A(CTX_SEG_OFF_TO_LIN(context,
2183 AL_reg(context) = DOS_ExtendedError;
2186 case 0x56: /* Move (rename) file */
2187 TRACE(int21,"LONG FILENAME - RENAME FILE %s to %s stub\n",
2188 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context)),
2189 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, ES_reg(context), EDI_reg(context)));
2191 FIXME(int21, "Unimplemented long file name function:\n");
2192 INT_BARF( context, 0x21 );
2194 AL_reg(context) = 0;
2199 case 0x70: /* MS-DOS 7 (Windows95) - ??? (country-specific?)*/
2200 case 0x72: /* MS-DOS 7 (Windows95) - ??? */
2201 case 0x73: /* MS-DOS 7 (Windows95) - DRIVE LOCKING ??? */
2202 TRACE(int21,"windows95 function AX %04x\n",
2204 WARN(int21, " returning unimplemented\n");
2206 AL_reg(context) = 0;
2209 case 0xdc: /* CONNECTION SERVICES - GET CONNECTION NUMBER */
2210 case 0xea: /* NOVELL NETWARE - RETURN SHELL VERSION */
2214 INT_BARF( context, 0x21 );
2217 } /* END OF SWITCH */
2219 if( bSetDOSExtendedError ) /* set general error condition */
2221 AX_reg(context) = DOS_ExtendedError;
2225 if ((EFL_reg(context) & 0x0001))
2226 TRACE(int21, "failed, errorcode 0x%02x class 0x%02x action 0x%02x locus %02x\n",
2227 DOS_ExtendedError, DOS_ErrorClass, DOS_ErrorAction, DOS_ErrorLocus);
2229 TRACE(int21, "returning: AX=%04x BX=%04x CX=%04x DX=%04x "
2230 "SI=%04x DI=%04x DS=%04x ES=%04x EFL=%08lx\n",
2231 AX_reg(context), BX_reg(context), CX_reg(context),
2232 DX_reg(context), SI_reg(context), DI_reg(context),
2233 (WORD)DS_reg(context), (WORD)ES_reg(context),
2237 FARPROC16 WINAPI GetSetKernelDOSProc(FARPROC16 DosProc)
2239 FIXME(int21, "(DosProc=0x%08x): stub\n", (UINT32)DosProc);