2 * DOS interrupt 21h handler
4 * Copyright 1993, 1994 Erik Bos
5 * Copyright 1996 Alexandre Julliard
6 * Copyright 1997 Andreas Mohr
7 * Copyright 1998 Uwe Bonnes
8 * Copyright 1998, 1999 Ove Kaaven
9 * Copyright 2003 Thomas Mertes
11 * This library is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU Lesser General Public
13 * License as published by the Free Software Foundation; either
14 * version 2.1 of the License, or (at your option) any later version.
16 * This library is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 * Lesser General Public License for more details.
21 * You should have received a copy of the GNU Lesser General Public
22 * License along with this library; if not, write to the Free Software
23 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
27 #include "wine/port.h"
31 #ifdef HAVE_SYS_STAT_H
32 # include <sys/stat.h>
42 #include "wine/winbase16.h"
46 #include "wine/unicode.h"
47 #include "wine/server.h"
48 #include "wine/debug.h"
49 #include "wine/exception.h"
51 BOOL WINAPI
VerifyConsoleIoHandle(HANDLE
);
54 * - Most of the file related functions are wrong. NT's kernel32
55 * doesn't maintain a per drive current directory, while DOS does.
56 * We should in fact keep track in here of those per drive
57 * directories, and use this info while dealing with partial paths
58 * (drive defined, but only relative paths). This could even be
59 * created as an array of CDS (there should be an entry for that in
64 * Forward declarations.
66 static BOOL
INT21_RenameFile( CONTEXT86
*context
);
68 WINE_DEFAULT_DEBUG_CHANNEL(int21
);
74 * Extended Drive Parameter Block.
75 * This structure is compatible with standard DOS4+ DPB and
78 typedef struct _INT21_DPB
{
79 BYTE drive
; /* 00 drive number (0=A, ...) */
80 BYTE unit
; /* 01 unit number within device driver */
81 WORD sector_bytes
; /* 02 bytes per sector */
82 BYTE cluster_sectors
; /* 04 highest sector number within a cluster */
83 BYTE shift
; /* 05 shift count to convert clusters into sectors */
84 WORD num_reserved
; /* 06 reserved sectors at beginning of drive */
85 BYTE num_FAT
; /* 08 number of FATs */
86 WORD num_root_entries
; /* 09 number of root directory entries */
87 WORD first_data_sector
; /* 0b number of first sector containing user data */
88 WORD num_clusters1
; /* 0d highest cluster number (number of data clusters + 1) */
89 WORD sectors_per_FAT
; /* 0f number of sectors per FAT */
90 WORD first_dir_sector
; /* 11 sector number of first directory sector */
91 SEGPTR driver_header
; /* 13 address of device driver header */
92 BYTE media_ID
; /* 17 media ID byte */
93 BYTE access_flag
; /* 18 0x00 if disk accessed, 0xff if not */
94 SEGPTR next
; /* 19 pointer to next DPB */
95 WORD search_cluster1
; /* 1d cluster at which to start search for free space */
96 WORD free_clusters_lo
; /* 1f number of free clusters on drive or 0xffff if unknown */
97 WORD free_clusters_hi
; /* 21 hiword of clusters_free */
98 WORD mirroring_flags
; /* 23 active FAT/mirroring flags */
99 WORD info_sector
; /* 25 sector number of file system info sector or 0xffff for none */
100 WORD spare_boot_sector
; /* 27 sector number of backup boot sector or 0xffff for none */
101 DWORD first_cluster_sector
; /* 29 sector number of the first cluster */
102 DWORD num_clusters2
; /* 2d maximum cluster number */
103 DWORD fat_clusters
; /* 31 number of clusters occupied by FAT */
104 DWORD root_cluster
; /* 35 cluster number of start of root directory */
105 DWORD search_cluster2
; /* 39 cluster at which to start searching for free space */
110 * Structure for DOS data that can be accessed directly from applications.
111 * Real and protected mode pointers will be returned to this structure so
112 * the structure must be correctly packed.
114 typedef struct _INT21_HEAP
{
115 WORD uppercase_size
; /* Size of the following table in bytes */
116 BYTE uppercase_table
[128]; /* Uppercase equivalents of chars from 0x80 to 0xff. */
118 WORD lowercase_size
; /* Size of the following table in bytes */
119 BYTE lowercase_table
[256]; /* Lowercase equivalents of chars from 0x00 to 0xff. */
121 WORD collating_size
; /* Size of the following table in bytes */
122 BYTE collating_table
[256]; /* Values used to sort characters from 0x00 to 0xff. */
124 WORD filename_size
; /* Size of the following filename data in bytes */
125 BYTE filename_reserved1
; /* 0x01 for MS-DOS 3.30-6.00 */
126 BYTE filename_lowest
; /* Lowest permissible character value for filename */
127 BYTE filename_highest
; /* Highest permissible character value for filename */
128 BYTE filename_reserved2
; /* 0x00 for MS-DOS 3.30-6.00 */
129 BYTE filename_exclude_first
; /* First illegal character in permissible range */
130 BYTE filename_exclude_last
; /* Last illegal character in permissible range */
131 BYTE filename_reserved3
; /* 0x02 for MS-DOS 3.30-6.00 */
132 BYTE filename_illegal_size
; /* Number of terminators in the following table */
133 BYTE filename_illegal_table
[16]; /* Characters which terminate a filename */
135 WORD dbcs_size
; /* Number of valid ranges in the following table */
136 BYTE dbcs_table
[16]; /* Start/end bytes for N ranges and 00/00 as terminator */
138 BYTE misc_indos
; /* Interrupt 21 nesting flag */
139 WORD misc_segment
; /* Real mode segment for INT21_HEAP */
140 WORD misc_selector
; /* Protected mode selector for INT21_HEAP */
141 INT21_DPB misc_dpb_list
[MAX_DOS_DRIVES
]; /* Drive parameter blocks for all drives */
149 CHAR file_extension
[3];
150 WORD current_block_number
;
151 WORD logical_record_size
;
153 WORD date_of_last_write
;
154 WORD time_of_last_write
;
157 WORD starting_cluster
;
158 WORD sequence_number
;
159 BYTE file_attributes
;
161 BYTE record_within_current_block
;
162 BYTE random_access_record_number
[4];
169 BYTE xfcb_file_attribute
;
173 /* DTA layout for FindFirst/FindNext */
176 BYTE drive
; /* 00 drive letter */
177 char mask
[11]; /* 01 search template */
178 BYTE search_attr
; /* 0c search attributes */
179 WORD count
; /* 0d entry count within directory */
180 WORD cluster
; /* 0f cluster of parent directory */
181 WCHAR
*fullPath
; /* 11 full path (was: reserved) */
182 BYTE fileattr
; /* 15 file attributes */
183 WORD filetime
; /* 16 file time */
184 WORD filedate
; /* 18 file date */
185 DWORD filesize
; /* 1a file size */
186 char filename
[13]; /* 1e file name + extension */
189 /* FCB layout for FindFirstFCB/FindNextFCB */
192 BYTE drive
; /* 00 drive letter */
193 char filename
[11]; /* 01 filename 8+3 format */
194 int count
; /* 0c entry count (was: reserved) */
195 WCHAR
*fullPath
; /* 10 full path (was: reserved) */
198 /* DOS directory entry for FindFirstFCB/FindNextFCB */
201 char filename
[11]; /* 00 filename 8+3 format */
202 BYTE fileattr
; /* 0b file attributes */
203 BYTE reserved
[10]; /* 0c reserved */
204 WORD filetime
; /* 16 file time */
205 WORD filedate
; /* 18 file date */
206 WORD cluster
; /* 1a file first cluster */
207 DWORD filesize
; /* 1c file size */
208 } DOS_DIRENTRY_LAYOUT
;
212 /* dos file attributes */
213 #define FA_NORMAL 0x00 /* Normal file, no attributes */
214 #define FA_RDONLY 0x01 /* Read only attribute */
215 #define FA_HIDDEN 0x02 /* Hidden file */
216 #define FA_SYSTEM 0x04 /* System file */
217 #define FA_LABEL 0x08 /* Volume label */
218 #define FA_DIRECTORY 0x10 /* Directory */
219 #define FA_ARCHIVE 0x20 /* Archive */
220 #define FA_UNUSED 0x40 /* Unused */
223 #define ER_NoNetwork 0x49
226 #define EC_OutOfResource 0x01
227 #define EC_Temporary 0x02
228 #define EC_AccessDenied 0x03
229 #define EC_InternalError 0x04
230 #define EC_HardwareFailure 0x05
231 #define EC_SystemFailure 0x06
232 #define EC_ProgramError 0x07
233 #define EC_NotFound 0x08
234 #define EC_MediaError 0x0b
235 #define EC_Exists 0x0c
236 #define EC_Unknown 0x0d
238 /* Suggested actions */
239 #define SA_Retry 0x01
240 #define SA_DelayedRetry 0x02
241 #define SA_Abort 0x04
242 #define SA_Ignore 0x06
243 #define SA_Ask4Retry 0x07
246 #define EL_Unknown 0x01
248 #define EL_Network 0x03
249 #define EL_Serial 0x04
250 #define EL_Memory 0x05
252 /* BIOS Keyboard Scancodes */
253 #define KEY_LEFT 0x4B
254 #define KEY_RIGHT 0x4D
256 #define KEY_DOWN 0x50
257 #define KEY_IC 0x52 /* insert char */
258 #define KEY_DC 0x53 /* delete char */
259 #define KEY_BACKSPACE 0x0E
260 #define KEY_HOME 0x47
262 #define KEY_NPAGE 0x49
263 #define KEY_PPAGE 0x51
271 void (*ioctl_handler
)(CONTEXT86
*);
274 static void INT21_IoctlScsiMgrHandler( CONTEXT86
* );
275 static void INT21_IoctlEMSHandler( CONTEXT86
* );
276 static void INT21_IoctlHPScanHandler( CONTEXT86
* );
278 static struct magic_device magic_devices
[] =
280 { {'s','c','s','i','m','g','r','$',0}, NULL
, { { 0, 0 } }, INT21_IoctlScsiMgrHandler
},
281 { {'e','m','m','x','x','x','x','0',0}, NULL
, { { 0, 0 } }, INT21_IoctlEMSHandler
},
282 { {'h','p','s','c','a','n',0}, NULL
, { { 0, 0 } }, INT21_IoctlHPScanHandler
},
285 #define NB_MAGIC_DEVICES (sizeof(magic_devices)/sizeof(magic_devices[0]))
288 /* Many calls translate a drive argument like this:
289 drive number (00h = default, 01h = A:, etc)
291 /******************************************************************
294 * Many calls translate a drive argument like this:
295 * drive number (00h = default, 01h = A:, etc)
297 static const char *INT21_DriveName(int drive
)
301 if (drive
<= 26) return wine_dbg_sprintf("%c:", 'A' + drive
- 1);
302 else return wine_dbg_sprintf( "<Bad drive: %d>", drive
);
307 /***********************************************************************
308 * INT21_GetCurrentDrive
310 * Return current drive using scheme (0=A:, 1=B:, 2=C:, ...) or
311 * MAX_DOS_DRIVES on error.
313 static BYTE
INT21_GetCurrentDrive(void)
315 WCHAR current_directory
[MAX_PATH
];
317 if (!GetCurrentDirectoryW( MAX_PATH
, current_directory
) ||
318 current_directory
[1] != ':')
320 TRACE( "Failed to get current drive.\n" );
321 return MAX_DOS_DRIVES
;
324 return toupperW( current_directory
[0] ) - 'A';
328 /***********************************************************************
331 * Convert drive number from scheme (0=default, 1=A:, 2=B:, ...) into
332 * scheme (0=A:, 1=B:, 2=C:, ...) or MAX_DOS_DRIVES on error.
334 static BYTE
INT21_MapDrive( BYTE drive
)
338 WCHAR drivespec
[3] = {'A', ':', 0};
341 drivespec
[0] += drive
- 1;
342 drivetype
= GetDriveTypeW( drivespec
);
344 if (drivetype
== DRIVE_UNKNOWN
|| drivetype
== DRIVE_NO_ROOT_DIR
)
345 return MAX_DOS_DRIVES
;
350 return INT21_GetCurrentDrive();
354 /***********************************************************************
355 * INT21_SetCurrentDrive
357 * Set current drive. Uses scheme (0=A:, 1=B:, 2=C:, ...).
359 static void INT21_SetCurrentDrive( BYTE drive
)
361 WCHAR drivespec
[3] = {'A', ':', 0};
363 drivespec
[0] += drive
;
365 if (!SetCurrentDirectoryW( drivespec
))
366 TRACE( "Failed to set current drive.\n" );
370 /***********************************************************************
373 * Reads a character from the standard input.
374 * Extended keycodes will be returned as two separate characters.
376 static BOOL
INT21_ReadChar( BYTE
*input
, CONTEXT86
*waitctx
)
378 static BYTE pending_scan
= 0;
383 *input
= pending_scan
;
392 if (!DOSVM_Int16ReadChar( &ascii
, &scan
, waitctx
))
397 if (waitctx
&& !ascii
)
404 /***********************************************************************
405 * INT21_GetSystemCountryCode
407 * Return DOS country code for default system locale.
409 static WORD
INT21_GetSystemCountryCode( void )
412 * FIXME: Determine country code. We should probably use
413 * DOSCONF structure for that.
415 return GetSystemDefaultLangID();
419 /***********************************************************************
420 * INT21_FillCountryInformation
422 * Fill 34-byte buffer with country information data using
423 * default system locale.
425 static void INT21_FillCountryInformation( BYTE
*buffer
)
427 /* 00 - WORD: date format
432 *(WORD
*)(buffer
+ 0) = 0; /* FIXME: Get from locale */
434 /* 02 - BYTE[5]: ASCIIZ currency symbol string */
435 buffer
[2] = '$'; /* FIXME: Get from locale */
438 /* 07 - BYTE[2]: ASCIIZ thousands separator */
439 buffer
[7] = 0; /* FIXME: Get from locale */
442 /* 09 - BYTE[2]: ASCIIZ decimal separator */
443 buffer
[9] = '.'; /* FIXME: Get from locale */
446 /* 11 - BYTE[2]: ASCIIZ date separator */
447 buffer
[11] = '/'; /* FIXME: Get from locale */
450 /* 13 - BYTE[2]: ASCIIZ time separator */
451 buffer
[13] = ':'; /* FIXME: Get from locale */
454 /* 15 - BYTE: Currency format
455 * bit 2 = set if currency symbol replaces decimal point
456 * bit 1 = number of spaces between value and currency symbol
457 * bit 0 = 0 if currency symbol precedes value
458 * 1 if currency symbol follows value
460 buffer
[15] = 0; /* FIXME: Get from locale */
462 /* 16 - BYTE: Number of digits after decimal in currency */
463 buffer
[16] = 0; /* FIXME: Get from locale */
465 /* 17 - BYTE: Time format
466 * bit 0 = 0 if 12-hour clock
469 buffer
[17] = 1; /* FIXME: Get from locale */
471 /* 18 - DWORD: Address of case map routine */
472 *(DWORD
*)(buffer
+ 18) = 0; /* FIXME: ptr to case map routine */
474 /* 22 - BYTE[2]: ASCIIZ data-list separator */
475 buffer
[22] = ','; /* FIXME: Get from locale */
478 /* 24 - BYTE[10]: Reserved */
479 memset( buffer
+ 24, 0, 10 );
483 /***********************************************************************
486 * Initialize DOS heap.
488 * Filename Terminator Table of w2k DE NTVDM:
489 * 16 00 01 00 FF 00 00 20-02 0E 2E 22 2F 5C 5B 5D ....... ..."/\[]
490 * 3A 7C 3C 3E 2B 3D 3B 2C-00 :|<>+=;,
492 static void INT21_FillHeap( INT21_HEAP
*heap
)
494 static const char terminators
[] = ".\"/\\[]:|<>+=;,";
500 heap
->uppercase_size
= 128;
501 for (i
= 0; i
< 128; i
++)
502 heap
->uppercase_table
[i
] = toupper( 128 + i
);
507 heap
->lowercase_size
= 256;
508 for (i
= 0; i
< 256; i
++)
509 heap
->lowercase_table
[i
] = tolower( i
);
514 heap
->collating_size
= 256;
515 for (i
= 0; i
< 256; i
++)
516 heap
->collating_table
[i
] = i
;
521 heap
->filename_size
= 8 + strlen(terminators
);
522 heap
->filename_illegal_size
= strlen(terminators
);
523 memcpy( heap
->filename_illegal_table
, terminators
, heap
->filename_illegal_size
);
525 heap
->filename_reserved1
= 0x01;
526 heap
->filename_lowest
= 0x00;
527 heap
->filename_highest
= 0xff;
528 heap
->filename_reserved2
= 0x00;
529 heap
->filename_exclude_first
= 0x00;
530 heap
->filename_exclude_last
= 0x20;
531 heap
->filename_reserved3
= 0x02;
534 * DBCS lead byte table. This table is empty.
537 memset( heap
->dbcs_table
, 0, sizeof(heap
->dbcs_table
) );
540 * Initialize InDos flag.
542 heap
->misc_indos
= 0;
545 * FIXME: Should drive parameter blocks (DPB) be
546 * initialized here and linked to DOS LOL?
551 /***********************************************************************
552 * INT21_GetHeapPointer
554 * Get pointer for DOS heap (INT21_HEAP).
555 * Creates and initializes heap on first call.
557 static INT21_HEAP
*INT21_GetHeapPointer( void )
559 static INT21_HEAP
*heap_pointer
= NULL
;
566 heap_pointer
= DOSVM_AllocDataUMB( sizeof(INT21_HEAP
),
570 heap_pointer
->misc_segment
= heap_segment
;
571 heap_pointer
->misc_selector
= heap_selector
;
572 INT21_FillHeap( heap_pointer
);
579 /***********************************************************************
580 * INT21_GetHeapSelector
582 * Get segment/selector for DOS heap (INT21_HEAP).
583 * Creates and initializes heap on first call.
585 static WORD
INT21_GetHeapSelector( CONTEXT86
*context
)
587 INT21_HEAP
*heap
= INT21_GetHeapPointer();
589 if (!ISV86(context
) && DOSVM_IsWin16())
590 return heap
->misc_selector
;
592 return heap
->misc_segment
;
596 /***********************************************************************
599 * Fill DOS heap drive parameter block for the specified drive.
600 * Return TRUE if drive was valid and there were
601 * no errors while reading drive information.
603 static BOOL
INT21_FillDrivePB( BYTE drive
)
605 WCHAR drivespec
[3] = {'A', ':', 0};
606 INT21_HEAP
*heap
= INT21_GetHeapPointer();
609 DWORD cluster_sectors
;
612 DWORD total_clusters
;
614 if (drive
>= MAX_DOS_DRIVES
)
617 dpb
= &heap
->misc_dpb_list
[drive
];
618 drivespec
[0] += drive
;
619 drivetype
= GetDriveTypeW( drivespec
);
622 * FIXME: Does this check work correctly with floppy/cdrom drives?
624 if (drivetype
== DRIVE_NO_ROOT_DIR
|| drivetype
== DRIVE_UNKNOWN
)
628 * FIXME: Does this check work correctly with floppy/cdrom drives?
630 if (!GetDiskFreeSpaceW( drivespec
, &cluster_sectors
, §or_bytes
,
631 &free_clusters
, &total_clusters
))
635 * FIXME: Most of the values listed below are incorrect.
636 * All values should be validated.
641 dpb
->sector_bytes
= sector_bytes
;
642 dpb
->cluster_sectors
= cluster_sectors
- 1;
645 while (cluster_sectors
> 1)
647 cluster_sectors
/= 2;
651 dpb
->num_reserved
= 0;
653 dpb
->num_root_entries
= 2;
654 dpb
->first_data_sector
= 2;
655 dpb
->num_clusters1
= total_clusters
;
656 dpb
->sectors_per_FAT
= 1;
657 dpb
->first_dir_sector
= 1;
658 dpb
->driver_header
= 0;
659 dpb
->media_ID
= (drivetype
== DRIVE_FIXED
) ? 0xF8 : 0xF0;
660 dpb
->access_flag
= 0;
662 dpb
->search_cluster1
= 0;
663 dpb
->free_clusters_lo
= LOWORD(free_clusters
);
664 dpb
->free_clusters_hi
= HIWORD(free_clusters
);
665 dpb
->mirroring_flags
= 0;
666 dpb
->info_sector
= 0xffff;
667 dpb
->spare_boot_sector
= 0xffff;
668 dpb
->first_cluster_sector
= 0;
669 dpb
->num_clusters2
= total_clusters
;
670 dpb
->fat_clusters
= 32;
671 dpb
->root_cluster
= 0;
672 dpb
->search_cluster2
= 0;
678 /***********************************************************************
679 * INT21_GetCurrentDirectory
683 * - subfunction 0x47 of function 0x71
685 static BOOL
INT21_GetCurrentDirectory( CONTEXT86
*context
, BOOL islong
)
687 char *buffer
= CTX_SEG_OFF_TO_LIN(context
, context
->SegDs
, context
->Esi
);
688 BYTE drive
= INT21_MapDrive( DL_reg(context
) );
689 WCHAR pathW
[MAX_PATH
];
690 char pathA
[MAX_PATH
];
693 TRACE( "drive %d\n", DL_reg(context
) );
695 if (drive
== MAX_DOS_DRIVES
)
697 SetLastError(ERROR_INVALID_DRIVE
);
702 * Grab current directory.
705 if (!GetCurrentDirectoryW( MAX_PATH
, pathW
)) return FALSE
;
707 if (toupperW(pathW
[0]) - 'A' != drive
|| pathW
[1] != ':')
709 /* cwd is not on the requested drive, get the environment string instead */
714 env_var
[1] = 'A' + drive
;
717 if (!GetEnvironmentVariableW( env_var
, pathW
, MAX_PATH
))
719 /* return empty path */
726 * Convert into short format.
731 DWORD result
= GetShortPathNameW( pathW
, pathW
, MAX_PATH
);
734 if (result
> MAX_PATH
)
736 WARN( "Short path too long!\n" );
737 SetLastError(ERROR_NETWORK_BUSY
); /* Internal Wine error. */
743 * The returned pathname does not include
744 * the drive letter, colon or leading backslash.
750 * FIXME: We should probably just strip host part from name...
752 FIXME( "UNC names are not supported.\n" );
753 SetLastError(ERROR_NETWORK_BUSY
); /* Internal Wine error. */
756 else if (!ptr
[0] || ptr
[1] != ':' || ptr
[2] != '\\')
758 WARN( "Path is neither UNC nor DOS path: %s\n",
759 wine_dbgstr_w(ptr
) );
760 SetLastError(ERROR_NETWORK_BUSY
); /* Internal Wine error. */
765 /* Remove drive letter, colon and leading backslash. */
770 * Convert into OEM string.
773 if (!WideCharToMultiByte(CP_OEMCP
, 0, ptr
, -1, pathA
,
774 MAX_PATH
, NULL
, NULL
))
776 WARN( "Cannot convert path!\n" );
777 SetLastError(ERROR_NETWORK_BUSY
); /* Internal Wine error. */
787 /* Undocumented success code. */
788 SET_AX( context
, 0x0100 );
790 /* Truncate buffer to 64 bytes. */
794 TRACE( "%c:=%s\n", 'A' + drive
, pathA
);
796 strcpy( buffer
, pathA
);
801 /***********************************************************************
802 * INT21_SetCurrentDirectory
806 * - subfunction 0x3b of function 0x71
808 static BOOL
INT21_SetCurrentDirectory( CONTEXT86
*context
)
810 WCHAR dirW
[MAX_PATH
];
813 char *dirA
= CTX_SEG_OFF_TO_LIN(context
, context
->SegDs
, context
->Edx
);
814 BYTE drive
= INT21_GetCurrentDrive();
817 TRACE( "SET CURRENT DIRECTORY %s\n", dirA
);
819 MultiByteToWideChar(CP_OEMCP
, 0, dirA
, -1, dirW
, MAX_PATH
);
820 if (!GetFullPathNameW( dirW
, MAX_PATH
, dirW
, NULL
)) return FALSE
;
822 attr
= GetFileAttributesW( dirW
);
823 if (attr
== INVALID_FILE_ATTRIBUTES
|| !(attr
& FILE_ATTRIBUTE_DIRECTORY
))
825 SetLastError( ERROR_PATH_NOT_FOUND
);
830 env_var
[1] = dirW
[0];
833 result
= SetEnvironmentVariableW( env_var
, dirW
);
835 /* only set current directory if on the current drive */
836 if (result
&& (toupperW(dirW
[0]) - 'A' == drive
)) result
= SetCurrentDirectoryW( dirW
);
841 /***********************************************************************
842 * INT21_CreateMagicDeviceHandle
844 * Create a dummy file handle for a "magic" device.
846 static HANDLE
INT21_CreateMagicDeviceHandle( LPCWSTR name
)
848 const char *dir
= wine_get_server_dir();
852 OBJECT_ATTRIBUTES attr
;
853 UNICODE_STRING nameW
;
856 len
= MultiByteToWideChar( CP_UNIXCP
, 0, dir
, -1, NULL
, 0 );
857 nameW
.Length
= (len
+ 1 + strlenW( name
)) * sizeof(WCHAR
);
858 nameW
.MaximumLength
= nameW
.Length
+ sizeof(WCHAR
);
859 if (!(nameW
.Buffer
= HeapAlloc( GetProcessHeap(), 0, nameW
.Length
)))
861 SetLastError( ERROR_NOT_ENOUGH_MEMORY
);
864 MultiByteToWideChar( CP_UNIXCP
, 0, dir
, -1, nameW
.Buffer
, len
);
865 nameW
.Buffer
[len
-1] = '/';
866 strcpyW( nameW
.Buffer
+ len
, name
);
868 attr
.Length
= sizeof(attr
);
869 attr
.RootDirectory
= 0;
871 attr
.ObjectName
= &nameW
;
872 attr
.SecurityDescriptor
= NULL
;
873 attr
.SecurityQualityOfService
= NULL
;
875 status
= NtCreateFile( &ret
, GENERIC_READ
|GENERIC_WRITE
, &attr
, &io
, NULL
, 0,
876 FILE_SHARE_READ
|FILE_SHARE_WRITE
, FILE_OPEN_IF
,
877 FILE_SYNCHRONOUS_IO_ALERT
, NULL
, 0 );
881 SetLastError( RtlNtStatusToDosError(status
) );
883 RtlFreeUnicodeString( &nameW
);
888 /***********************************************************************
889 * INT21_OpenMagicDevice
891 * Open a file handle for "magic" devices like EMMXXXX0.
893 static HANDLE
INT21_OpenMagicDevice( LPCWSTR name
, DWORD access
)
899 if (name
[0] && (name
[1] == ':')) name
+= 2;
900 if ((p
= strrchrW( name
, '/' ))) name
= p
+ 1;
901 if ((p
= strrchrW( name
, '\\' ))) name
= p
+ 1;
903 for (i
= 0; i
< NB_MAGIC_DEVICES
; i
++)
905 int len
= strlenW( magic_devices
[i
].name
);
906 if (!strncmpiW( magic_devices
[i
].name
, name
, len
) &&
907 (!name
[len
] || name
[len
] == '.' || name
[len
] == ':')) break;
909 if (i
== NB_MAGIC_DEVICES
) return 0;
911 if (!magic_devices
[i
].handle
) /* need to open it */
914 FILE_INTERNAL_INFORMATION info
;
916 if (!(handle
= INT21_CreateMagicDeviceHandle( magic_devices
[i
].name
))) return 0;
918 NtQueryInformationFile( handle
, &io
, &info
, sizeof(info
), FileInternalInformation
);
919 magic_devices
[i
].index
= info
.IndexNumber
;
920 magic_devices
[i
].handle
= handle
;
922 if (!DuplicateHandle( GetCurrentProcess(), magic_devices
[i
].handle
,
923 GetCurrentProcess(), &handle
, access
, FALSE
, 0 )) handle
= 0;
928 /***********************************************************************
936 * - subfunction 0x6c of function 0x71
938 static BOOL
INT21_CreateFile( CONTEXT86
*context
,
945 char *pathA
= CTX_SEG_OFF_TO_LIN(context
, context
->SegDs
, pathSegOff
);
946 WCHAR pathW
[MAX_PATH
];
953 TRACE( "CreateFile called: function=%02x, action=%02x, access/share=%04x, "
954 "create flags=%04x, file=%s.\n",
955 AH_reg(context
), dosAction
, dosAccessShare
, CX_reg(context
), pathA
);
958 * Application tried to create/open a file whose name
959 * ends with a backslash. This is not allowed.
961 * FIXME: This needs to be validated, especially the return value.
963 if (pathA
[strlen(pathA
) - 1] == '/')
965 SetLastError( ERROR_FILE_NOT_FOUND
);
970 * Convert DOS action flags into Win32 creation disposition parameter.
975 winMode
= OPEN_EXISTING
;
978 winMode
= TRUNCATE_EXISTING
;
981 winMode
= CREATE_NEW
;
984 winMode
= OPEN_ALWAYS
;
987 winMode
= CREATE_ALWAYS
;
990 SetLastError( ERROR_INVALID_PARAMETER
);
995 * Convert DOS access/share flags into Win32 desired access parameter.
997 switch(dosAccessShare
& 0x07)
1000 winAccess
= GENERIC_READ
;
1003 winAccess
= GENERIC_WRITE
;
1006 winAccess
= GENERIC_READ
| GENERIC_WRITE
;
1010 * Read-only, do not modify file's last-access time (DOS7).
1012 * FIXME: How to prevent modification of last-access time?
1014 winAccess
= GENERIC_READ
;
1021 * Convert DOS access/share flags into Win32 share mode parameter.
1023 switch(dosAccessShare
& 0x70)
1025 case OF_SHARE_EXCLUSIVE
:
1028 case OF_SHARE_DENY_WRITE
:
1029 winSharing
= FILE_SHARE_READ
;
1031 case OF_SHARE_DENY_READ
:
1032 winSharing
= FILE_SHARE_WRITE
;
1034 case OF_SHARE_DENY_NONE
:
1035 case OF_SHARE_COMPAT
:
1037 winSharing
= FILE_SHARE_READ
| FILE_SHARE_WRITE
;
1041 * FIXME: Bit (dosAccessShare & 0x80) represents inheritance.
1042 * What to do with this bit?
1043 * FIXME: Bits in the high byte of dosAccessShare are not supported.
1044 * See both function 0x6c and subfunction 0x6c of function 0x71 for
1045 * definition of these bits.
1049 * Convert DOS create attributes into Win32 flags and attributes parameter.
1051 if (winMode
== OPEN_EXISTING
|| winMode
== TRUNCATE_EXISTING
)
1057 WORD dosAttributes
= CX_reg(context
);
1059 if (dosAttributes
& FA_LABEL
)
1062 * Application tried to create volume label entry.
1063 * This is difficult to support so we do not allow it.
1065 * FIXME: If volume does not already have a label,
1066 * this function is supposed to succeed.
1068 SetLastError( ERROR_ACCESS_DENIED
);
1072 winAttributes
= dosAttributes
&
1073 (FILE_ATTRIBUTE_READONLY
| FILE_ATTRIBUTE_HIDDEN
|
1074 FILE_ATTRIBUTE_SYSTEM
| FILE_ATTRIBUTE_ARCHIVE
);
1080 MultiByteToWideChar(CP_OEMCP
, 0, pathA
, -1, pathW
, MAX_PATH
);
1082 if ((winHandle
= INT21_OpenMagicDevice( pathW
, winAccess
)))
1088 winHandle
= CreateFileW( pathW
, winAccess
, winSharing
, NULL
,
1089 winMode
, winAttributes
, 0 );
1090 /* DOS allows to open files on a CDROM R/W */
1091 if( winHandle
== INVALID_HANDLE_VALUE
&&
1092 GetLastError()== ERROR_WRITE_PROTECT
) {
1093 winHandle
= CreateFileW( pathW
, winAccess
& ~GENERIC_WRITE
,
1094 winSharing
, NULL
, winMode
, winAttributes
, 0 );
1097 if (winHandle
== INVALID_HANDLE_VALUE
)
1101 * Determine DOS file status.
1112 case TRUNCATE_EXISTING
:
1119 dosStatus
= (GetLastError() == ERROR_ALREADY_EXISTS
) ? 1 : 2;
1122 dosStatus
= (GetLastError() == ERROR_ALREADY_EXISTS
) ? 3 : 2;
1130 * Return DOS file handle and DOS status.
1132 SET_AX( context
, Win32HandleToDosFileHandle(winHandle
) );
1135 SET_CX( context
, dosStatus
);
1137 TRACE( "CreateFile finished: handle=%d, status=%d.\n",
1138 AX_reg(context
), dosStatus
);
1144 /***********************************************************************
1145 * INT21_BufferedInput
1147 * Handler for function 0x0a and reading from console using
1150 * Reads a string of characters from standard input until
1151 * enter key is pressed. Returns either number of characters
1152 * read from console including terminating CR or
1153 * zero if capacity was zero.
1155 static WORD
INT21_BufferedInput( CONTEXT86
*context
, BYTE
*ptr
, WORD capacity
)
1160 * Return immediately if capacity is zero.
1170 DOSVM_Int16ReadChar( &ascii
, &scan
, context
);
1172 if (ascii
== '\r' || ascii
== '\n')
1179 * DOS handles only backspace and KEY_LEFT
1180 * perhaps we should do more
1182 if (ascii
== '\b' || scan
== KEY_LEFT
)
1184 if (length
==0) continue;
1185 DOSVM_PutChar( '\b' );
1191 * If the buffer becomes filled to within one byte of
1192 * capacity, DOS rejects all further characters up to,
1193 * but not including, the terminating carriage return.
1195 if (ascii
!= 0 && length
< capacity
-1)
1197 DOSVM_PutChar( ascii
);
1198 ptr
[length
] = ascii
;
1205 /***********************************************************************
1206 * INT21_GetCurrentDTA
1208 static BYTE
*INT21_GetCurrentDTA( CONTEXT86
*context
)
1210 TDB
*pTask
= GlobalLock16(GetCurrentTask());
1212 /* FIXME: This assumes DTA was set correctly! */
1213 return (BYTE
*)CTX_SEG_OFF_TO_LIN( context
, SELECTOROF(pTask
->dta
),
1214 (DWORD
)OFFSETOF(pTask
->dta
) );
1218 /***********************************************************************
1219 * INT21_OpenFileUsingFCB
1221 * Handler for function 0x0f.
1224 * DX:DX [I/O] File control block (FCB or XFCB) of unopened file
1231 * Opens a FCB file for read/write in compatibility mode. Upon calling
1232 * the FCB must have the drive_number, file_name, and file_extension
1233 * fields filled and all other bytes cleared.
1235 static void INT21_OpenFileUsingFCB( CONTEXT86
*context
)
1243 BY_HANDLE_FILE_INFORMATION info
;
1246 fcb
= CTX_SEG_OFF_TO_LIN(context
, context
->SegDs
, context
->Edx
);
1247 if (fcb
->drive_number
== 0xff) {
1248 xfcb
= (struct XFCB
*) fcb
;
1249 fcb
= (struct FCB
*) xfcb
->fcb
;
1253 file_path
[0] = 'A' + INT21_MapDrive( fcb
->drive_number
);
1255 if (AL_result
== 0) {
1257 pos
= &file_path
[2];
1258 memcpy(pos
, fcb
->file_name
, 8);
1261 pos
= strchr(pos
, ' ');
1264 memcpy(pos
, fcb
->file_extension
, 3);
1267 pos
= strchr(pos
, ' ');
1270 handle
= (HANDLE
) _lopen(file_path
, OF_READWRITE
);
1271 if (handle
== INVALID_HANDLE_VALUE
) {
1272 TRACE("_lopen(\"%s\") failed: INVALID_HANDLE_VALUE\n", file_path
);
1273 AL_result
= 0xff; /* failed */
1275 hfile16
= Win32HandleToDosFileHandle(handle
);
1276 if (hfile16
== HFILE_ERROR16
) {
1277 TRACE("Win32HandleToDosFileHandle(%p) failed: HFILE_ERROR\n", handle
);
1278 CloseHandle(handle
);
1279 AL_result
= 0xff; /* failed */
1280 } else if (hfile16
> 255) {
1281 TRACE("hfile16 (=%d) larger than 255 for \"%s\"\n", hfile16
, file_path
);
1283 AL_result
= 0xff; /* failed */
1285 if (!GetFileInformationByHandle(handle
, &info
)) {
1286 TRACE("GetFileInformationByHandle(%d, %p) for \"%s\" failed\n",
1287 hfile16
, handle
, file_path
);
1289 AL_result
= 0xff; /* failed */
1291 fcb
->drive_number
= file_path
[0] - 'A' + 1;
1292 fcb
->current_block_number
= 0;
1293 fcb
->logical_record_size
= 128;
1294 fcb
->file_size
= info
.nFileSizeLow
;
1295 FileTimeToDosDateTime(&info
.ftLastWriteTime
,
1296 &fcb
->date_of_last_write
, &fcb
->time_of_last_write
);
1297 fcb
->file_number
= hfile16
;
1298 fcb
->attributes
= 0xc2;
1299 fcb
->starting_cluster
= 0; /* don't know correct init value */
1300 fcb
->sequence_number
= 0; /* don't know correct init value */
1301 fcb
->file_attributes
= info
.dwFileAttributes
;
1302 /* The following fields are not initialized */
1303 /* by the native function: */
1305 /* record_within_current_block */
1306 /* random_access_record_number */
1308 TRACE("successful opened file \"%s\" as %d (handle %p)\n",
1309 file_path
, hfile16
, handle
);
1310 AL_result
= 0x00; /* successful */
1315 SET_AL(context
, AL_result
);
1319 /***********************************************************************
1320 * INT21_CloseFileUsingFCB
1322 * Handler for function 0x10.
1325 * DX:DX [I/O] File control block (FCB or XFCB) of open file
1332 * Closes a FCB file.
1334 static void INT21_CloseFileUsingFCB( CONTEXT86
*context
)
1340 fcb
= CTX_SEG_OFF_TO_LIN(context
, context
->SegDs
, context
->Edx
);
1341 if (fcb
->drive_number
== 0xff) {
1342 xfcb
= (struct XFCB
*) fcb
;
1343 fcb
= (struct FCB
*) xfcb
->fcb
;
1346 if (_lclose16((HFILE16
) fcb
->file_number
) != 0) {
1347 TRACE("_lclose16(%d) failed\n", fcb
->file_number
);
1348 AL_result
= 0xff; /* failed */
1350 TRACE("successful closed file %d\n", fcb
->file_number
);
1351 AL_result
= 0x00; /* successful */
1353 SET_AL(context
, AL_result
);
1357 /***********************************************************************
1358 * INT21_SequentialReadFromFCB
1360 * Handler for function 0x14.
1363 * DX:DX [I/O] File control block (FCB or XFCB) of open file
1367 * 1: end of file, no data read
1368 * 2: segment wrap in DTA, no data read (not returned now)
1369 * 3: end of file, partial record read
1372 * Reads a record with the size FCB->logical_record_size from the FCB
1373 * to the disk transfer area. The position of the record is specified
1374 * with FCB->current_block_number and FCB->record_within_current_block.
1375 * Then FCB->current_block_number and FCB->record_within_current_block
1376 * are updated to point to the next record. If a partial record is
1377 * read, it is filled with zeros up to the FCB->logical_record_size.
1379 static void INT21_SequentialReadFromFCB( CONTEXT86
*context
)
1384 DWORD record_number
;
1386 BYTE
*disk_transfer_area
;
1390 fcb
= CTX_SEG_OFF_TO_LIN(context
, context
->SegDs
, context
->Edx
);
1391 if (fcb
->drive_number
== 0xff) {
1392 xfcb
= (struct XFCB
*) fcb
;
1393 fcb
= (struct FCB
*) xfcb
->fcb
;
1396 handle
= DosFileHandleToWin32Handle((HFILE16
) fcb
->file_number
);
1397 if (handle
== INVALID_HANDLE_VALUE
) {
1398 TRACE("DosFileHandleToWin32Handle(%d) failed: INVALID_HANDLE_VALUE\n",
1400 AL_result
= 0x01; /* end of file, no data read */
1402 record_number
= 128 * fcb
->current_block_number
+ fcb
->record_within_current_block
;
1403 position
= SetFilePointer(handle
, record_number
* fcb
->logical_record_size
, NULL
, 0);
1404 if (position
!= record_number
* fcb
->logical_record_size
) {
1405 TRACE("seek(%d, %d, 0) failed with %ld\n",
1406 fcb
->file_number
, record_number
* fcb
->logical_record_size
, position
);
1407 AL_result
= 0x01; /* end of file, no data read */
1409 disk_transfer_area
= INT21_GetCurrentDTA(context
);
1410 bytes_read
= _lread((HFILE
) handle
, disk_transfer_area
, fcb
->logical_record_size
);
1411 if (bytes_read
!= fcb
->logical_record_size
) {
1412 TRACE("_lread(%d, %p, %d) failed with %d\n",
1413 fcb
->file_number
, disk_transfer_area
, fcb
->logical_record_size
, bytes_read
);
1414 if (bytes_read
== 0) {
1415 AL_result
= 0x01; /* end of file, no data read */
1417 memset(&disk_transfer_area
[bytes_read
], 0, fcb
->logical_record_size
- bytes_read
);
1418 AL_result
= 0x03; /* end of file, partial record read */
1421 TRACE("successful read %d bytes from record %d (position %ld) of file %d (handle %p)\n",
1422 bytes_read
, record_number
, position
, fcb
->file_number
, handle
);
1423 AL_result
= 0x00; /* successful */
1427 if (AL_result
== 0x00 || AL_result
== 0x03) {
1428 if (fcb
->record_within_current_block
== 127) {
1429 fcb
->record_within_current_block
= 0;
1430 fcb
->current_block_number
++;
1432 fcb
->record_within_current_block
++;
1435 SET_AL(context
, AL_result
);
1439 /***********************************************************************
1440 * INT21_SequentialWriteToFCB
1442 * Handler for function 0x15.
1445 * DX:DX [I/O] File control block (FCB or XFCB) of open file
1450 * 2: segment wrap in DTA (not returned now)
1453 * Writes a record with the size FCB->logical_record_size from the disk
1454 * transfer area to the FCB. The position of the record is specified
1455 * with FCB->current_block_number and FCB->record_within_current_block.
1456 * Then FCB->current_block_number and FCB->record_within_current_block
1457 * are updated to point to the next record.
1459 static void INT21_SequentialWriteToFCB( CONTEXT86
*context
)
1464 DWORD record_number
;
1466 BYTE
*disk_transfer_area
;
1470 fcb
= CTX_SEG_OFF_TO_LIN(context
, context
->SegDs
, context
->Edx
);
1471 if (fcb
->drive_number
== 0xff) {
1472 xfcb
= (struct XFCB
*) fcb
;
1473 fcb
= (struct FCB
*) xfcb
->fcb
;
1476 handle
= DosFileHandleToWin32Handle((HFILE16
) fcb
->file_number
);
1477 if (handle
== INVALID_HANDLE_VALUE
) {
1478 TRACE("DosFileHandleToWin32Handle(%d) failed: INVALID_HANDLE_VALUE\n",
1480 AL_result
= 0x01; /* disk full */
1482 record_number
= 128 * fcb
->current_block_number
+ fcb
->record_within_current_block
;
1483 position
= SetFilePointer(handle
, record_number
* fcb
->logical_record_size
, NULL
, 0);
1484 if (position
!= record_number
* fcb
->logical_record_size
) {
1485 TRACE("seek(%d, %d, 0) failed with %ld\n",
1486 fcb
->file_number
, record_number
* fcb
->logical_record_size
, position
);
1487 AL_result
= 0x01; /* disk full */
1489 disk_transfer_area
= INT21_GetCurrentDTA(context
);
1490 bytes_written
= _lwrite((HFILE
) handle
, (LPCSTR
)disk_transfer_area
, fcb
->logical_record_size
);
1491 if (bytes_written
!= fcb
->logical_record_size
) {
1492 TRACE("_lwrite(%d, %p, %d) failed with %d\n",
1493 fcb
->file_number
, disk_transfer_area
, fcb
->logical_record_size
, bytes_written
);
1494 AL_result
= 0x01; /* disk full */
1496 TRACE("successful written %d bytes from record %d (position %ld) of file %d (handle %p)\n",
1497 bytes_written
, record_number
, position
, fcb
->file_number
, handle
);
1498 AL_result
= 0x00; /* successful */
1502 if (AL_result
== 0x00) {
1503 if (fcb
->record_within_current_block
== 127) {
1504 fcb
->record_within_current_block
= 0;
1505 fcb
->current_block_number
++;
1507 fcb
->record_within_current_block
++;
1510 SET_AL(context
, AL_result
);
1514 /***********************************************************************
1515 * INT21_ReadRandomRecordFromFCB
1517 * Handler for function 0x21.
1520 * DX:DX [I/O] File control block (FCB or XFCB) of open file
1524 * 1: end of file, no data read
1525 * 2: segment wrap in DTA, no data read (not returned now)
1526 * 3: end of file, partial record read
1529 * Reads a record with the size FCB->logical_record_size from
1530 * the FCB to the disk transfer area. The position of the record
1531 * is specified with FCB->random_access_record_number. The
1532 * FCB->random_access_record_number is not updated. If a partial record
1533 * is read, it is filled with zeros up to the FCB->logical_record_size.
1535 static void INT21_ReadRandomRecordFromFCB( CONTEXT86
*context
)
1540 DWORD record_number
;
1542 BYTE
*disk_transfer_area
;
1546 fcb
= CTX_SEG_OFF_TO_LIN(context
, context
->SegDs
, context
->Edx
);
1547 if (fcb
->drive_number
== 0xff) {
1548 xfcb
= (struct XFCB
*) fcb
;
1549 fcb
= (struct FCB
*) xfcb
->fcb
;
1552 memcpy(&record_number
, fcb
->random_access_record_number
, 4);
1553 handle
= DosFileHandleToWin32Handle((HFILE16
) fcb
->file_number
);
1554 if (handle
== INVALID_HANDLE_VALUE
) {
1555 TRACE("DosFileHandleToWin32Handle(%d) failed: INVALID_HANDLE_VALUE\n",
1557 AL_result
= 0x01; /* end of file, no data read */
1559 position
= SetFilePointer(handle
, record_number
* fcb
->logical_record_size
, NULL
, 0);
1560 if (position
!= record_number
* fcb
->logical_record_size
) {
1561 TRACE("seek(%d, %d, 0) failed with %ld\n",
1562 fcb
->file_number
, record_number
* fcb
->logical_record_size
, position
);
1563 AL_result
= 0x01; /* end of file, no data read */
1565 disk_transfer_area
= INT21_GetCurrentDTA(context
);
1566 bytes_read
= _lread((HFILE
) handle
, disk_transfer_area
, fcb
->logical_record_size
);
1567 if (bytes_read
!= fcb
->logical_record_size
) {
1568 TRACE("_lread(%d, %p, %d) failed with %d\n",
1569 fcb
->file_number
, disk_transfer_area
, fcb
->logical_record_size
, bytes_read
);
1570 if (bytes_read
== 0) {
1571 AL_result
= 0x01; /* end of file, no data read */
1573 memset(&disk_transfer_area
[bytes_read
], 0, fcb
->logical_record_size
- bytes_read
);
1574 AL_result
= 0x03; /* end of file, partial record read */
1577 TRACE("successful read %d bytes from record %d (position %ld) of file %d (handle %p)\n",
1578 bytes_read
, record_number
, position
, fcb
->file_number
, handle
);
1579 AL_result
= 0x00; /* successful */
1583 fcb
->current_block_number
= record_number
/ 128;
1584 fcb
->record_within_current_block
= record_number
% 128;
1585 SET_AL(context
, AL_result
);
1589 /***********************************************************************
1590 * INT21_WriteRandomRecordToFCB
1592 * Handler for function 0x22.
1595 * DX:DX [I/O] File control block (FCB or XFCB) of open file
1600 * 2: segment wrap in DTA (not returned now)
1603 * Writes a record with the size FCB->logical_record_size from
1604 * the disk transfer area to the FCB. The position of the record
1605 * is specified with FCB->random_access_record_number. The
1606 * FCB->random_access_record_number is not updated.
1608 static void INT21_WriteRandomRecordToFCB( CONTEXT86
*context
)
1613 DWORD record_number
;
1615 BYTE
*disk_transfer_area
;
1619 fcb
= CTX_SEG_OFF_TO_LIN(context
, context
->SegDs
, context
->Edx
);
1620 if (fcb
->drive_number
== 0xff) {
1621 xfcb
= (struct XFCB
*) fcb
;
1622 fcb
= (struct FCB
*) xfcb
->fcb
;
1625 memcpy(&record_number
, fcb
->random_access_record_number
, 4);
1626 handle
= DosFileHandleToWin32Handle((HFILE16
) fcb
->file_number
);
1627 if (handle
== INVALID_HANDLE_VALUE
) {
1628 TRACE("DosFileHandleToWin32Handle(%d) failed: INVALID_HANDLE_VALUE\n",
1630 AL_result
= 0x01; /* disk full */
1632 position
= SetFilePointer(handle
, record_number
* fcb
->logical_record_size
, NULL
, 0);
1633 if (position
!= record_number
* fcb
->logical_record_size
) {
1634 TRACE("seek(%d, %d, 0) failed with %ld\n",
1635 fcb
->file_number
, record_number
* fcb
->logical_record_size
, position
);
1636 AL_result
= 0x01; /* disk full */
1638 disk_transfer_area
= INT21_GetCurrentDTA(context
);
1639 bytes_written
= _lwrite((HFILE
) handle
, (LPCSTR
)disk_transfer_area
, fcb
->logical_record_size
);
1640 if (bytes_written
!= fcb
->logical_record_size
) {
1641 TRACE("_lwrite(%d, %p, %d) failed with %d\n",
1642 fcb
->file_number
, disk_transfer_area
, fcb
->logical_record_size
, bytes_written
);
1643 AL_result
= 0x01; /* disk full */
1645 TRACE("successful written %d bytes from record %d (position %ld) of file %d (handle %p)\n",
1646 bytes_written
, record_number
, position
, fcb
->file_number
, handle
);
1647 AL_result
= 0x00; /* successful */
1651 fcb
->current_block_number
= record_number
/ 128;
1652 fcb
->record_within_current_block
= record_number
% 128;
1653 SET_AL(context
, AL_result
);
1657 /***********************************************************************
1658 * INT21_RandomBlockReadFromFCB
1660 * Handler for function 0x27.
1663 * CX [I/O] Number of records to read
1664 * DX:DX [I/O] File control block (FCB or XFCB) of open file
1668 * 1: end of file, no data read
1669 * 2: segment wrap in DTA, no data read (not returned now)
1670 * 3: end of file, partial record read
1673 * Reads several records with the size FCB->logical_record_size from
1674 * the FCB to the disk transfer area. The number of records to be
1675 * read is specified in the CX register. The position of the first
1676 * record is specified with FCB->random_access_record_number. The
1677 * FCB->random_access_record_number, the FCB->current_block_number
1678 * and FCB->record_within_current_block are updated to point to the
1679 * next record after the records read. If a partial record is read,
1680 * it is filled with zeros up to the FCB->logical_record_size. The
1681 * CX register is set to the number of successfully read records.
1683 static void INT21_RandomBlockReadFromFCB( CONTEXT86
*context
)
1688 DWORD record_number
;
1690 BYTE
*disk_transfer_area
;
1691 UINT records_requested
;
1692 UINT bytes_requested
;
1697 fcb
= CTX_SEG_OFF_TO_LIN(context
, context
->SegDs
, context
->Edx
);
1698 if (fcb
->drive_number
== 0xff) {
1699 xfcb
= (struct XFCB
*) fcb
;
1700 fcb
= (struct FCB
*) xfcb
->fcb
;
1703 memcpy(&record_number
, fcb
->random_access_record_number
, 4);
1704 handle
= DosFileHandleToWin32Handle((HFILE16
) fcb
->file_number
);
1705 if (handle
== INVALID_HANDLE_VALUE
) {
1706 TRACE("DosFileHandleToWin32Handle(%d) failed: INVALID_HANDLE_VALUE\n",
1709 AL_result
= 0x01; /* end of file, no data read */
1711 position
= SetFilePointer(handle
, record_number
* fcb
->logical_record_size
, NULL
, 0);
1712 if (position
!= record_number
* fcb
->logical_record_size
) {
1713 TRACE("seek(%d, %d, 0) failed with %ld\n",
1714 fcb
->file_number
, record_number
* fcb
->logical_record_size
, position
);
1716 AL_result
= 0x01; /* end of file, no data read */
1718 disk_transfer_area
= INT21_GetCurrentDTA(context
);
1719 records_requested
= CX_reg(context
);
1720 bytes_requested
= (UINT
) records_requested
* fcb
->logical_record_size
;
1721 bytes_read
= _lread((HFILE
) handle
, disk_transfer_area
, bytes_requested
);
1722 if (bytes_read
!= bytes_requested
) {
1723 TRACE("_lread(%d, %p, %d) failed with %d\n",
1724 fcb
->file_number
, disk_transfer_area
, bytes_requested
, bytes_read
);
1725 records_read
= bytes_read
/ fcb
->logical_record_size
;
1726 if (bytes_read
% fcb
->logical_record_size
== 0) {
1727 AL_result
= 0x01; /* end of file, no data read */
1730 memset(&disk_transfer_area
[bytes_read
], 0, records_read
* fcb
->logical_record_size
- bytes_read
);
1731 AL_result
= 0x03; /* end of file, partial record read */
1734 TRACE("successful read %d bytes from record %d (position %ld) of file %d (handle %p)\n",
1735 bytes_read
, record_number
, position
, fcb
->file_number
, handle
);
1736 records_read
= records_requested
;
1737 AL_result
= 0x00; /* successful */
1741 record_number
+= records_read
;
1742 memcpy(fcb
->random_access_record_number
, &record_number
, 4);
1743 fcb
->current_block_number
= record_number
/ 128;
1744 fcb
->record_within_current_block
= record_number
% 128;
1745 SET_CX(context
, records_read
);
1746 SET_AL(context
, AL_result
);
1750 /***********************************************************************
1751 * INT21_RandomBlockWriteToFCB
1753 * Handler for function 0x28.
1756 * CX [I/O] Number of records to write
1757 * DX:DX [I/O] File control block (FCB or XFCB) of open file
1762 * 2: segment wrap in DTA (not returned now)
1765 * Writes several records with the size FCB->logical_record_size from
1766 * the disk transfer area to the FCB. The number of records to be
1767 * written is specified in the CX register. The position of the first
1768 * record is specified with FCB->random_access_record_number. The
1769 * FCB->random_access_record_number, the FCB->current_block_number
1770 * and FCB->record_within_current_block are updated to point to the
1771 * next record after the records written. The CX register is set to
1772 * the number of successfully written records.
1774 static void INT21_RandomBlockWriteToFCB( CONTEXT86
*context
)
1779 DWORD record_number
;
1781 BYTE
*disk_transfer_area
;
1782 UINT records_requested
;
1783 UINT bytes_requested
;
1785 UINT records_written
;
1788 fcb
= CTX_SEG_OFF_TO_LIN(context
, context
->SegDs
, context
->Edx
);
1789 if (fcb
->drive_number
== 0xff) {
1790 xfcb
= (struct XFCB
*) fcb
;
1791 fcb
= (struct FCB
*) xfcb
->fcb
;
1794 memcpy(&record_number
, fcb
->random_access_record_number
, 4);
1795 handle
= DosFileHandleToWin32Handle((HFILE16
) fcb
->file_number
);
1796 if (handle
== INVALID_HANDLE_VALUE
) {
1797 TRACE("DosFileHandleToWin32Handle(%d) failed: INVALID_HANDLE_VALUE\n",
1799 records_written
= 0;
1800 AL_result
= 0x01; /* disk full */
1802 position
= SetFilePointer(handle
, record_number
* fcb
->logical_record_size
, NULL
, 0);
1803 if (position
!= record_number
* fcb
->logical_record_size
) {
1804 TRACE("seek(%d, %d, 0) failed with %ld\n",
1805 fcb
->file_number
, record_number
* fcb
->logical_record_size
, position
);
1806 records_written
= 0;
1807 AL_result
= 0x01; /* disk full */
1809 disk_transfer_area
= INT21_GetCurrentDTA(context
);
1810 records_requested
= CX_reg(context
);
1811 bytes_requested
= (UINT
) records_requested
* fcb
->logical_record_size
;
1812 bytes_written
= _lwrite((HFILE
) handle
, (LPCSTR
)disk_transfer_area
, bytes_requested
);
1813 if (bytes_written
!= bytes_requested
) {
1814 TRACE("_lwrite(%d, %p, %d) failed with %d\n",
1815 fcb
->file_number
, disk_transfer_area
, bytes_requested
, bytes_written
);
1816 records_written
= bytes_written
/ fcb
->logical_record_size
;
1817 AL_result
= 0x01; /* disk full */
1819 TRACE("successful write %d bytes from record %d (position %ld) of file %d (handle %p)\n",
1820 bytes_written
, record_number
, position
, fcb
->file_number
, handle
);
1821 records_written
= records_requested
;
1822 AL_result
= 0x00; /* successful */
1826 record_number
+= records_written
;
1827 memcpy(fcb
->random_access_record_number
, &record_number
, 4);
1828 fcb
->current_block_number
= record_number
/ 128;
1829 fcb
->record_within_current_block
= record_number
% 128;
1830 SET_CX(context
, records_written
);
1831 SET_AL(context
, AL_result
);
1835 /***********************************************************************
1836 * INT21_CreateDirectory
1840 * - subfunction 0x39 of function 0x71
1841 * - subfunction 0xff of function 0x43 (CL == 0x39)
1843 static BOOL
INT21_CreateDirectory( CONTEXT86
*context
)
1845 WCHAR dirW
[MAX_PATH
];
1846 char *dirA
= CTX_SEG_OFF_TO_LIN(context
,
1850 TRACE( "CREATE DIRECTORY %s\n", dirA
);
1852 MultiByteToWideChar(CP_OEMCP
, 0, dirA
, -1, dirW
, MAX_PATH
);
1854 if (CreateDirectoryW(dirW
, NULL
))
1858 * FIXME: CreateDirectory's LastErrors will clash with the ones
1859 * used by DOS. AH=39 only returns 3 (path not found) and
1860 * 5 (access denied), while CreateDirectory return several
1861 * ones. Remap some of them. -Marcus
1863 switch (GetLastError())
1865 case ERROR_ALREADY_EXISTS
:
1866 case ERROR_FILENAME_EXCED_RANGE
:
1867 case ERROR_DISK_FULL
:
1868 SetLastError(ERROR_ACCESS_DENIED
);
1878 /***********************************************************************
1879 * INT21_ExtendedCountryInformation
1881 * Handler for function 0x65.
1883 static void INT21_ExtendedCountryInformation( CONTEXT86
*context
)
1885 BYTE
*dataptr
= CTX_SEG_OFF_TO_LIN( context
, context
->SegEs
, context
->Edi
);
1886 BYTE buffsize
= CX_reg (context
);
1888 TRACE( "GET EXTENDED COUNTRY INFORMATION, subfunction %02x\n",
1892 * Check subfunctions that are passed country and code page.
1894 if (AL_reg(context
) >= 0x01 && AL_reg(context
) <= 0x07)
1896 WORD country
= DX_reg(context
);
1897 WORD codepage
= BX_reg(context
);
1899 if (country
!= 0xffff && country
!= INT21_GetSystemCountryCode())
1900 FIXME( "Requested info on non-default country %04x\n", country
);
1902 if (codepage
!= 0xffff && codepage
!= GetOEMCP())
1903 FIXME( "Requested info on non-default code page %04x\n", codepage
);
1906 switch (AL_reg(context
)) {
1907 case 0x00: /* SET GENERAL INTERNATIONALIZATION INFO */
1908 INT_BARF( context
, 0x21 );
1909 SET_CFLAG( context
);
1912 case 0x01: /* GET GENERAL INTERNATIONALIZATION INFO */
1913 TRACE( "Get general internationalization info\n" );
1914 dataptr
[0] = 0x01; /* Info ID */
1915 *(WORD
*)(dataptr
+1) = 38; /* Size of the following info */
1916 *(WORD
*)(dataptr
+3) = INT21_GetSystemCountryCode(); /* Country ID */
1917 *(WORD
*)(dataptr
+5) = GetOEMCP(); /* Code page */
1918 /* FIXME: fill buffer partially up to buffsize bytes*/
1919 if (buffsize
>= 0x29){
1920 INT21_FillCountryInformation( dataptr
+ 7 );
1921 SET_CX( context
, 0x29 ); /* Size of returned info */
1923 SET_CX( context
, 0x07 ); /* Size of returned info */
1927 case 0x02: /* GET POINTER TO UPPERCASE TABLE */
1928 case 0x04: /* GET POINTER TO FILENAME UPPERCASE TABLE */
1929 TRACE( "Get pointer to uppercase table\n" );
1930 dataptr
[0] = AL_reg(context
); /* Info ID */
1931 *(DWORD
*)(dataptr
+1) = MAKESEGPTR( INT21_GetHeapSelector( context
),
1932 offsetof(INT21_HEAP
, uppercase_size
) );
1933 SET_CX( context
, 5 ); /* Size of returned info */
1936 case 0x03: /* GET POINTER TO LOWERCASE TABLE */
1937 TRACE( "Get pointer to lowercase table\n" );
1938 dataptr
[0] = 0x03; /* Info ID */
1939 *(DWORD
*)(dataptr
+1) = MAKESEGPTR( INT21_GetHeapSelector( context
),
1940 offsetof(INT21_HEAP
, lowercase_size
) );
1941 SET_CX( context
, 5 ); /* Size of returned info */
1944 case 0x05: /* GET POINTER TO FILENAME TERMINATOR TABLE */
1945 TRACE("Get pointer to filename terminator table\n");
1946 dataptr
[0] = 0x05; /* Info ID */
1947 *(DWORD
*)(dataptr
+1) = MAKESEGPTR( INT21_GetHeapSelector( context
),
1948 offsetof(INT21_HEAP
, filename_size
) );
1949 SET_CX( context
, 5 ); /* Size of returned info */
1952 case 0x06: /* GET POINTER TO COLLATING SEQUENCE TABLE */
1953 TRACE("Get pointer to collating sequence table\n");
1954 dataptr
[0] = 0x06; /* Info ID */
1955 *(DWORD
*)(dataptr
+1) = MAKESEGPTR( INT21_GetHeapSelector( context
),
1956 offsetof(INT21_HEAP
, collating_size
) );
1957 SET_CX( context
, 5 ); /* Size of returned info */
1960 case 0x07: /* GET POINTER TO DBCS LEAD BYTE TABLE */
1961 TRACE("Get pointer to DBCS lead byte table\n");
1962 dataptr
[0] = 0x07; /* Info ID */
1963 *(DWORD
*)(dataptr
+1) = MAKESEGPTR( INT21_GetHeapSelector( context
),
1964 offsetof(INT21_HEAP
, dbcs_size
) );
1965 SET_CX( context
, 5 ); /* Size of returned info */
1968 case 0x20: /* CAPITALIZE CHARACTER */
1969 case 0xa0: /* CAPITALIZE FILENAME CHARACTER */
1970 TRACE("Convert char to uppercase\n");
1971 SET_DL( context
, toupper(DL_reg(context
)) );
1974 case 0x21: /* CAPITALIZE STRING */
1975 case 0xa1: /* CAPITALIZE COUNTED FILENAME STRING */
1976 TRACE("Convert string to uppercase with length\n");
1978 char *ptr
= (char *)CTX_SEG_OFF_TO_LIN( context
,
1981 WORD len
= CX_reg(context
);
1982 while (len
--) { *ptr
= toupper(*ptr
); ptr
++; }
1986 case 0x22: /* CAPITALIZE ASCIIZ STRING */
1987 case 0xa2: /* CAPITALIZE ASCIIZ FILENAME */
1988 TRACE("Convert ASCIIZ string to uppercase\n");
1990 char *p
= CTX_SEG_OFF_TO_LIN( context
, context
->SegDs
, context
->Edx
);
1991 for ( ; *p
; p
++) *p
= toupper(*p
);
1995 case 0x23: /* DETERMINE IF CHARACTER REPRESENTS YES/NO RESPONSE */
1996 INT_BARF( context
, 0x21 );
1997 SET_CFLAG( context
);
2001 INT_BARF( context
, 0x21 );
2008 /***********************************************************************
2009 * INT21_FileAttributes
2013 * - subfunction 0x43 of function 0x71
2015 static BOOL
INT21_FileAttributes( CONTEXT86
*context
,
2019 WCHAR fileW
[MAX_PATH
];
2020 char *fileA
= CTX_SEG_OFF_TO_LIN(context
,
2029 switch (subfunction
)
2031 case 0x00: /* GET FILE ATTRIBUTES */
2032 TRACE( "GET FILE ATTRIBUTES for %s\n", fileA
);
2033 MultiByteToWideChar(CP_OEMCP
, 0, fileA
, -1, fileW
, MAX_PATH
);
2035 result
= GetFileAttributesW( fileW
);
2036 if (result
== INVALID_FILE_ATTRIBUTES
)
2040 SET_CX( context
, (WORD
)result
);
2042 SET_AX( context
, (WORD
)result
); /* DR DOS */
2046 case 0x01: /* SET FILE ATTRIBUTES */
2047 TRACE( "SET FILE ATTRIBUTES 0x%02x for %s\n",
2048 CX_reg(context
), fileA
);
2049 MultiByteToWideChar(CP_OEMCP
, 0, fileA
, -1, fileW
, MAX_PATH
);
2051 if (!SetFileAttributesW( fileW
, CX_reg(context
) ))
2055 case 0x02: /* GET COMPRESSED FILE SIZE */
2056 TRACE( "GET COMPRESSED FILE SIZE for %s\n", fileA
);
2057 MultiByteToWideChar(CP_OEMCP
, 0, fileA
, -1, fileW
, MAX_PATH
);
2059 result
= GetCompressedFileSizeW( fileW
, NULL
);
2060 if (result
== INVALID_FILE_SIZE
)
2064 SET_AX( context
, LOWORD(result
) );
2065 SET_DX( context
, HIWORD(result
) );
2069 case 0x03: /* SET FILE LAST-WRITTEN DATE AND TIME */
2071 INT_BARF( context
, 0x21 );
2074 TRACE( "SET FILE LAST-WRITTEN DATE AND TIME, file %s\n", fileA
);
2075 MultiByteToWideChar(CP_OEMCP
, 0, fileA
, -1, fileW
, MAX_PATH
);
2077 handle
= CreateFileW( fileW
, GENERIC_WRITE
,
2078 FILE_SHARE_READ
| FILE_SHARE_WRITE
,
2079 NULL
, OPEN_EXISTING
, 0, 0 );
2080 if (handle
== INVALID_HANDLE_VALUE
)
2083 DosDateTimeToFileTime( DI_reg(context
),
2086 status
= SetFileTime( handle
, NULL
, NULL
, &filetime
);
2088 CloseHandle( handle
);
2093 case 0x04: /* GET FILE LAST-WRITTEN DATE AND TIME */
2095 INT_BARF( context
, 0x21 );
2098 TRACE( "GET FILE LAST-WRITTEN DATE AND TIME, file %s\n", fileA
);
2099 MultiByteToWideChar(CP_OEMCP
, 0, fileA
, -1, fileW
, MAX_PATH
);
2101 handle
= CreateFileW( fileW
, GENERIC_READ
,
2102 FILE_SHARE_READ
| FILE_SHARE_WRITE
,
2103 NULL
, OPEN_EXISTING
, 0, 0 );
2104 if (handle
== INVALID_HANDLE_VALUE
)
2107 status
= GetFileTime( handle
, NULL
, NULL
, &filetime
);
2110 FileTimeToDosDateTime( &filetime
, &date
, &time
);
2111 SET_DI( context
, date
);
2112 SET_CX( context
, time
);
2115 CloseHandle( handle
);
2120 case 0x05: /* SET FILE LAST ACCESS DATE */
2122 INT_BARF( context
, 0x21 );
2125 TRACE( "SET FILE LAST ACCESS DATE, file %s\n", fileA
);
2126 MultiByteToWideChar(CP_OEMCP
, 0, fileA
, -1, fileW
, MAX_PATH
);
2128 handle
= CreateFileW( fileW
, GENERIC_WRITE
,
2129 FILE_SHARE_READ
| FILE_SHARE_WRITE
,
2130 NULL
, OPEN_EXISTING
, 0, 0 );
2131 if (handle
== INVALID_HANDLE_VALUE
)
2134 DosDateTimeToFileTime( DI_reg(context
),
2137 status
= SetFileTime( handle
, NULL
, &filetime
, NULL
);
2139 CloseHandle( handle
);
2144 case 0x06: /* GET FILE LAST ACCESS DATE */
2146 INT_BARF( context
, 0x21 );
2149 TRACE( "GET FILE LAST ACCESS DATE, file %s\n", fileA
);
2150 MultiByteToWideChar(CP_OEMCP
, 0, fileA
, -1, fileW
, MAX_PATH
);
2152 handle
= CreateFileW( fileW
, GENERIC_READ
,
2153 FILE_SHARE_READ
| FILE_SHARE_WRITE
,
2154 NULL
, OPEN_EXISTING
, 0, 0 );
2155 if (handle
== INVALID_HANDLE_VALUE
)
2158 status
= GetFileTime( handle
, NULL
, &filetime
, NULL
);
2161 FileTimeToDosDateTime( &filetime
, &date
, NULL
);
2162 SET_DI( context
, date
);
2165 CloseHandle( handle
);
2170 case 0x07: /* SET FILE CREATION DATE AND TIME */
2172 INT_BARF( context
, 0x21 );
2175 TRACE( "SET FILE CREATION DATE AND TIME, file %s\n", fileA
);
2177 handle
= CreateFileW( fileW
, GENERIC_WRITE
,
2178 FILE_SHARE_READ
| FILE_SHARE_WRITE
,
2179 NULL
, OPEN_EXISTING
, 0, 0 );
2180 if (handle
== INVALID_HANDLE_VALUE
)
2184 * FIXME: SI has number of 10-millisecond units past time in CX.
2186 DosDateTimeToFileTime( DI_reg(context
),
2189 status
= SetFileTime( handle
, &filetime
, NULL
, NULL
);
2191 CloseHandle( handle
);
2196 case 0x08: /* GET FILE CREATION DATE AND TIME */
2198 INT_BARF( context
, 0x21 );
2201 TRACE( "GET FILE CREATION DATE AND TIME, handle %d\n",
2204 handle
= CreateFileW( fileW
, GENERIC_READ
,
2205 FILE_SHARE_READ
| FILE_SHARE_WRITE
,
2206 NULL
, OPEN_EXISTING
, 0, 0 );
2207 if (handle
== INVALID_HANDLE_VALUE
)
2210 status
= GetFileTime( handle
, &filetime
, NULL
, NULL
);
2213 FileTimeToDosDateTime( &filetime
, &date
, &time
);
2214 SET_DI( context
, date
);
2215 SET_CX( context
, time
);
2217 * FIXME: SI has number of 10-millisecond units past
2220 SET_SI( context
, 0 );
2223 CloseHandle(handle
);
2228 case 0xff: /* EXTENDED-LENGTH FILENAME OPERATIONS */
2229 if (islong
|| context
->Ebp
!= 0x5053)
2230 INT_BARF( context
, 0x21 );
2233 switch(CL_reg(context
))
2236 if (!INT21_CreateDirectory( context
))
2241 if (!INT21_RenameFile( context
))
2246 INT_BARF( context
, 0x21 );
2252 INT_BARF( context
, 0x21 );
2259 /***********************************************************************
2260 * INT21_FileDateTime
2262 * Handler for function 0x57.
2264 static BOOL
INT21_FileDateTime( CONTEXT86
*context
)
2266 HANDLE handle
= DosFileHandleToWin32Handle(BX_reg(context
));
2270 switch (AL_reg(context
)) {
2271 case 0x00: /* Get last-written stamp */
2272 TRACE( "GET FILE LAST-WRITTEN DATE AND TIME, handle %d\n",
2275 if (!GetFileTime( handle
, NULL
, NULL
, &filetime
))
2277 FileTimeToDosDateTime( &filetime
, &date
, &time
);
2278 SET_DX( context
, date
);
2279 SET_CX( context
, time
);
2283 case 0x01: /* Set last-written stamp */
2284 TRACE( "SET FILE LAST-WRITTEN DATE AND TIME, handle %d\n",
2287 DosDateTimeToFileTime( DX_reg(context
),
2290 if (!SetFileTime( handle
, NULL
, NULL
, &filetime
))
2295 case 0x04: /* Get last access stamp, DOS 7 */
2296 TRACE( "GET FILE LAST ACCESS DATE AND TIME, handle %d\n",
2299 if (!GetFileTime( handle
, NULL
, &filetime
, NULL
))
2301 FileTimeToDosDateTime( &filetime
, &date
, &time
);
2302 SET_DX( context
, date
);
2303 SET_CX( context
, time
);
2307 case 0x05: /* Set last access stamp, DOS 7 */
2308 TRACE( "SET FILE LAST ACCESS DATE AND TIME, handle %d\n",
2311 DosDateTimeToFileTime( DX_reg(context
),
2314 if (!SetFileTime( handle
, NULL
, &filetime
, NULL
))
2319 case 0x06: /* Get creation stamp, DOS 7 */
2320 TRACE( "GET FILE CREATION DATE AND TIME, handle %d\n",
2323 if (!GetFileTime( handle
, &filetime
, NULL
, NULL
))
2325 FileTimeToDosDateTime( &filetime
, &date
, &time
);
2326 SET_DX( context
, date
);
2327 SET_CX( context
, time
);
2329 * FIXME: SI has number of 10-millisecond units past time in CX.
2331 SET_SI( context
, 0 );
2335 case 0x07: /* Set creation stamp, DOS 7 */
2336 TRACE( "SET FILE CREATION DATE AND TIME, handle %d\n",
2340 * FIXME: SI has number of 10-millisecond units past time in CX.
2342 DosDateTimeToFileTime( DX_reg(context
),
2345 if (!SetFileTime( handle
, &filetime
, NULL
, NULL
))
2351 INT_BARF( context
, 0x21 );
2359 /***********************************************************************
2362 * Handler for functions 0x51 and 0x62.
2364 static void INT21_GetPSP( CONTEXT86
*context
)
2366 TRACE( "GET CURRENT PSP ADDRESS (%02x)\n", AH_reg(context
) );
2369 * FIXME: should we return the original DOS PSP upon
2372 if (!ISV86(context
) && DOSVM_IsWin16())
2373 SET_BX( context
, LOWORD(GetCurrentPDB16()) );
2375 SET_BX( context
, DOSVM_psp
);
2378 static inline void setword( BYTE
*ptr
, WORD w
)
2381 ptr
[1] = (BYTE
)(w
>> 8);
2384 static void CreateBPB(int drive
, BYTE
*data
, BOOL16 limited
)
2385 /* limited == TRUE is used with INT 0x21/0x440d */
2387 /* FIXME: we're forcing some values without checking that those are valid */
2392 setword(&data
[3], 0);
2394 setword(&data
[6], 240);
2395 setword(&data
[8], 64000);
2397 setword(&data
[0x0b], 40);
2398 setword(&data
[0x0d], 56);
2399 setword(&data
[0x0f], 2);
2400 setword(&data
[0x11], 0);
2403 setword(&data
[0x1f], 800);
2405 setword(&data
[0x22], 1);
2412 setword(&data
[3], 0);
2414 setword(&data
[6], 240);
2415 setword(&data
[8], 2880);
2417 setword(&data
[0x0b], 6);
2418 setword(&data
[0x0d], 18);
2419 setword(&data
[0x0f], 2);
2420 setword(&data
[0x11], 0);
2423 setword(&data
[0x1f], 80);
2425 setword(&data
[0x22], 2);
2430 static inline DWORD
INT21_Ioctl_CylHeadSect2Lin(DWORD cyl
, WORD head
, WORD sec
, WORD cyl_cnt
,
2431 WORD head_cnt
, WORD sec_cnt
)
2433 DWORD res
= (cyl
* head_cnt
*sec_cnt
+ head
* sec_cnt
+ sec
);
2437 /***********************************************************************
2440 * Handler for block device IOCTLs.
2442 static void INT21_Ioctl_Block( CONTEXT86
*context
)
2445 BYTE drive
= INT21_MapDrive( BL_reg(context
) );
2446 WCHAR drivespec
[4] = {'A', ':', '\\', 0};
2449 drivespec
[0] += drive
;
2450 drivetype
= GetDriveTypeW( drivespec
);
2452 RESET_CFLAG(context
);
2453 if (drivetype
== DRIVE_UNKNOWN
|| drivetype
== DRIVE_NO_ROOT_DIR
)
2455 TRACE( "IOCTL - SUBFUNCTION %d - INVALID DRIVE %c:\n",
2456 AL_reg(context
), 'A' + drive
);
2457 SetLastError( ERROR_INVALID_DRIVE
);
2458 SET_AX( context
, ERROR_INVALID_DRIVE
);
2459 SET_CFLAG( context
);
2463 switch (AL_reg(context
))
2465 case 0x04: /* READ FROM BLOCK DEVICE CONTROL CHANNEL */
2466 case 0x05: /* WRITE TO BLOCK DEVICE CONTROL CHANNEL */
2467 INT_BARF( context
, 0x21 );
2470 case 0x08: /* CHECK IF BLOCK DEVICE REMOVABLE */
2471 TRACE( "IOCTL - CHECK IF BLOCK DEVICE REMOVABLE - %c:\n",
2474 if (drivetype
== DRIVE_REMOVABLE
)
2475 SET_AX( context
, 0 ); /* removable */
2477 SET_AX( context
, 1 ); /* not removable */
2480 case 0x09: /* CHECK IF BLOCK DEVICE REMOTE */
2481 TRACE( "IOCTL - CHECK IF BLOCK DEVICE REMOTE - %c:\n",
2484 if (drivetype
== DRIVE_REMOTE
)
2485 SET_DX( context
, (1<<9) | (1<<12) ); /* remote + no direct IO */
2487 SET_DX( context
, 0 ); /* FIXME: use driver attr here */
2490 case 0x0d: /* GENERIC BLOCK DEVICE REQUEST */
2491 /* Get pointer to IOCTL parameter block */
2492 dataptr
= CTX_SEG_OFF_TO_LIN(context
, context
->SegDs
, context
->Edx
);
2494 switch (CX_reg(context
))
2496 case 0x0841: /* write logical device track */
2497 TRACE( "GENERIC IOCTL - Write logical device track - %c:\n",
2500 WORD head
= *(WORD
*)(dataptr
+1);
2501 WORD cyl
= *(WORD
*)(dataptr
+3);
2502 WORD sect
= *(WORD
*)(dataptr
+5);
2503 WORD nrsect
= *(WORD
*)(dataptr
+7);
2504 BYTE
*data
= CTX_SEG_OFF_TO_LIN(context
, *(WORD
*)(dataptr
+11), *(WORD
*)(dataptr
+9));
2505 WORD cyl_cnt
, head_cnt
, sec_cnt
;
2507 /* FIXME: we're faking some values here */
2513 SET_AX( context
, ERROR_WRITE_FAULT
);
2524 if (!DOSVM_RawWrite(drive
, INT21_Ioctl_CylHeadSect2Lin(cyl
, head
, sect
, cyl_cnt
, head_cnt
, sec_cnt
), nrsect
, data
, FALSE
))
2526 SET_AX( context
, ERROR_WRITE_FAULT
);
2532 case 0x084a: /* lock logical volume */
2533 TRACE( "GENERIC IOCTL - Lock logical volume, level %d mode %d - %c:\n",
2534 BH_reg(context
), DX_reg(context
), 'A' + drive
);
2537 case 0x0860: /* get device parameters */
2538 /* FIXME: we're faking some values here */
2539 /* used by w4wgrp's winfile */
2540 memset(dataptr
, 0, 0x20); /* DOS 6.22 uses 0x20 bytes */
2542 dataptr
[6] = 0; /* media type */
2545 dataptr
[1] = 0x05; /* fixed disk */
2546 setword(&dataptr
[2], 0x01); /* non removable */
2547 setword(&dataptr
[4], 0x300); /* # of cylinders */
2551 dataptr
[1] = 0x07; /* block dev, floppy */
2552 setword(&dataptr
[2], 0x02); /* removable */
2553 setword(&dataptr
[4], 80); /* # of cylinders */
2555 CreateBPB(drive
, &dataptr
[7], TRUE
);
2556 RESET_CFLAG(context
);
2559 case 0x0861: /* read logical device track */
2560 TRACE( "GENERIC IOCTL - Read logical device track - %c:\n",
2563 WORD head
= *(WORD
*)(dataptr
+1);
2564 WORD cyl
= *(WORD
*)(dataptr
+3);
2565 WORD sect
= *(WORD
*)(dataptr
+5);
2566 WORD nrsect
= *(WORD
*)(dataptr
+7);
2567 BYTE
*data
= CTX_SEG_OFF_TO_LIN(context
, *(WORD
*)(dataptr
+11), *(WORD
*)(dataptr
+9));
2568 WORD cyl_cnt
, head_cnt
, sec_cnt
;
2570 /* FIXME: we're faking some values here */
2584 if (!DOSVM_RawRead(drive
, INT21_Ioctl_CylHeadSect2Lin(cyl
, head
, sect
, cyl_cnt
, head_cnt
, sec_cnt
), nrsect
, data
, FALSE
))
2586 SET_AX( context
, ERROR_READ_FAULT
);
2592 case 0x0866: /* get volume serial number */
2594 WCHAR label
[12],fsname
[9];
2597 drivespec
[0] += drive
;
2598 GetVolumeInformationW(drivespec
, label
, 12, &serial
, NULL
, NULL
, fsname
, 9);
2599 *(WORD
*)dataptr
= 0;
2600 memcpy(dataptr
+2,&serial
,4);
2601 WideCharToMultiByte(CP_OEMCP
, 0, label
, 11, (LPSTR
)dataptr
+ 6, 11, NULL
, NULL
);
2602 WideCharToMultiByte(CP_OEMCP
, 0, fsname
, 8, (LPSTR
)dataptr
+ 17, 8, NULL
, NULL
);
2606 case 0x086a: /* unlock logical volume */
2607 TRACE( "GENERIC IOCTL - Logical volume unlocked - %c:\n",
2611 case 0x086f: /* get drive map information */
2612 memset(dataptr
+1, '\0', dataptr
[0]-1);
2613 dataptr
[1] = dataptr
[0];
2614 dataptr
[2] = 0x07; /* protected mode driver; no eject; no notification */
2615 dataptr
[3] = 0xFF; /* no physical drive */
2619 /* Trial and error implementation */
2620 SET_AX( context
, drivetype
== DRIVE_UNKNOWN
? 0x0f : 0x01 );
2621 SET_CFLAG(context
); /* Seems to be set all the time */
2625 INT_BARF( context
, 0x21 );
2629 case 0x0e: /* GET LOGICAL DRIVE MAP */
2630 TRACE( "IOCTL - GET LOGICAL DRIVE MAP - %c:\n",
2632 /* FIXME: this is not correct if drive has mappings */
2633 SET_AL( context
, 0 ); /* drive has no mapping */
2636 case 0x0f: /* SET LOGICAL DRIVE MAP */
2637 TRACE("IOCTL - SET LOGICAL DRIVE MAP for drive %s\n",
2638 INT21_DriveName( BL_reg(context
)));
2639 /* FIXME: as of today, we don't support logical drive mapping... */
2640 SET_AL( context
, 0 );
2643 case 0x11: /* QUERY GENERIC IOCTL CAPABILITY */
2645 INT_BARF( context
, 0x21 );
2650 /***********************************************************************
2651 * INT21_IoctlScsiMgrHandler
2653 * IOCTL handler for the SCSIMGR device.
2655 static void INT21_IoctlScsiMgrHandler( CONTEXT86
*context
)
2657 switch (AL_reg(context
))
2659 case 0x00: /* GET DEVICE INFORMATION */
2660 SET_DX( context
, 0xc0c0 );
2663 case 0x02: /* READ FROM CHARACTER DEVICE CONTROL CHANNEL */
2664 DOSVM_ASPIHandler(context
);
2667 case 0x0a: /* CHECK IF HANDLE IS REMOTE */
2668 SET_DX( context
, 0 );
2671 case 0x01: /* SET DEVICE INFORMATION */
2672 case 0x03: /* WRITE TO CHARACTER DEVICE CONTROL CHANNEL */
2673 case 0x06: /* GET INPUT STATUS */
2674 case 0x07: /* GET OUTPUT STATUS */
2675 case 0x0c: /* GENERIC CHARACTER DEVICE REQUEST */
2676 case 0x10: /* QUERY GENERIC IOCTL CAPABILITY */
2678 INT_BARF( context
, 0x21 );
2684 /***********************************************************************
2685 * INT21_IoctlEMSHandler
2687 * IOCTL handler for the EMXXXX0 device.
2689 static void INT21_IoctlEMSHandler( CONTEXT86
*context
)
2691 EMS_Ioctl_Handler(context
);
2695 /***********************************************************************
2696 * INT21_IoctlHPScanHandler
2698 * IOCTL handler for the HPSCAN device.
2700 static void INT21_IoctlHPScanHandler( CONTEXT86
*context
)
2702 switch (AL_reg(context
))
2704 case 0x00: /* GET DEVICE INFORMATION */
2705 SET_DX( context
, 0xc0c0 );
2708 case 0x0a: /* CHECK IF HANDLE IS REMOTE */
2709 SET_DX( context
, 0 );
2712 case 0x01: /* SET DEVICE INFORMATION */
2713 case 0x02: /* READ FROM CHARACTER DEVICE CONTROL CHANNEL */
2714 case 0x03: /* WRITE TO CHARACTER DEVICE CONTROL CHANNEL */
2715 case 0x06: /* GET INPUT STATUS */
2716 case 0x07: /* GET OUTPUT STATUS */
2717 case 0x0c: /* GENERIC CHARACTER DEVICE REQUEST */
2718 case 0x10: /* QUERY GENERIC IOCTL CAPABILITY */
2720 INT_BARF( context
, 0x21 );
2726 /***********************************************************************
2729 * Handler for character device IOCTLs.
2731 static void INT21_Ioctl_Char( CONTEXT86
*context
)
2734 int IsConsoleIOHandle
= 0;
2736 FILE_INTERNAL_INFORMATION info
;
2737 HANDLE handle
= DosFileHandleToWin32Handle(BX_reg(context
));
2739 status
= NtQueryInformationFile( handle
, &io
, &info
, sizeof(info
), FileInternalInformation
);
2742 if( VerifyConsoleIoHandle( handle
))
2743 IsConsoleIOHandle
= 1;
2745 SET_AX( context
, RtlNtStatusToDosError(status
) );
2746 SET_CFLAG( context
);
2750 for (i
= 0; i
< NB_MAGIC_DEVICES
; i
++)
2752 if (!magic_devices
[i
].handle
) continue;
2753 if (magic_devices
[i
].index
.QuadPart
== info
.IndexNumber
.QuadPart
)
2756 magic_devices
[i
].ioctl_handler( context
);
2762 /* no magic device found, do default handling */
2764 switch (AL_reg(context
))
2766 case 0x00: /* GET DEVICE INFORMATION */
2767 TRACE( "IOCTL - GET DEVICE INFORMATION - %d\n", BX_reg(context
) );
2768 if (IsConsoleIOHandle
|| GetFileType(handle
) == FILE_TYPE_CHAR
)
2771 * Returns attribute word in DX:
2772 * Bit 14 - Device driver can process IOCTL requests.
2773 * Bit 13 - Output until busy supported.
2774 * Bit 11 - Driver supports OPEN/CLOSE calls.
2776 * Bit 7 - Set (indicates device).
2777 * Bit 6 - EOF on input.
2778 * Bit 5 - Raw (binary) mode.
2779 * Bit 4 - Device is special (uses int29).
2780 * Bit 3 - Clock device.
2781 * Bit 2 - NUL device.
2782 * Bit 1 - Console output device.
2783 * Bit 0 - Console input device.
2785 SET_DX( context
, IsConsoleIOHandle
? 0x80c3 : 0x80c0 /* FIXME */ );
2790 * Returns attribute word in DX:
2791 * Bit 15 - File is remote.
2792 * Bit 14 - Don't set file date/time on closing.
2793 * Bit 11 - Media not removable.
2794 * Bit 8 - Generate int24 if no disk space on write
2795 * or read past end of file
2796 * Bit 7 - Clear (indicates file).
2797 * Bit 6 - File has not been written.
2798 * Bit 5..0 - Drive number (0=A:,...)
2800 * FIXME: Should check if file is on remote or removable drive.
2801 * FIXME: Should use drive file is located on (and not current).
2803 SET_DX( context
, 0x0140 + INT21_GetCurrentDrive() );
2807 case 0x0a: /* CHECK IF HANDLE IS REMOTE */
2808 TRACE( "IOCTL - CHECK IF HANDLE IS REMOTE - %d\n", BX_reg(context
) );
2810 * Returns attribute word in DX:
2811 * Bit 15 - Set if remote.
2812 * Bit 14 - Set if date/time not set on close.
2814 * FIXME: Should check if file is on remote drive.
2816 SET_DX( context
, 0 );
2819 case 0x01: /* SET DEVICE INFORMATION */
2820 case 0x02: /* READ FROM CHARACTER DEVICE CONTROL CHANNEL */
2821 case 0x03: /* WRITE TO CHARACTER DEVICE CONTROL CHANNEL */
2822 case 0x06: /* GET INPUT STATUS */
2823 case 0x07: /* GET OUTPUT STATUS */
2824 case 0x0c: /* GENERIC CHARACTER DEVICE REQUEST */
2825 case 0x10: /* QUERY GENERIC IOCTL CAPABILITY */
2827 INT_BARF( context
, 0x21 );
2833 /***********************************************************************
2836 * Handler for function 0x44.
2838 static void INT21_Ioctl( CONTEXT86
*context
)
2840 switch (AL_reg(context
))
2846 INT21_Ioctl_Char( context
);
2851 INT21_Ioctl_Block( context
);
2856 INT21_Ioctl_Char( context
);
2861 INT21_Ioctl_Block( context
);
2865 INT21_Ioctl_Char( context
);
2868 case 0x0b: /* SET SHARING RETRY COUNT */
2869 TRACE( "SET SHARING RETRY COUNT: Pause %d, retries %d.\n",
2870 CX_reg(context
), DX_reg(context
) );
2871 if (!CX_reg(context
))
2873 SET_AX( context
, 1 );
2874 SET_CFLAG( context
);
2878 DOSDEV_SetSharingRetry( CX_reg(context
), DX_reg(context
) );
2879 RESET_CFLAG( context
);
2884 INT21_Ioctl_Char( context
);
2890 INT21_Ioctl_Block( context
);
2894 INT21_Ioctl_Char( context
);
2898 INT21_Ioctl_Block( context
);
2901 case 0x12: /* DR DOS - DETERMINE DOS TYPE (OBSOLETE FUNCTION) */
2902 TRACE( "DR DOS - DETERMINE DOS TYPE (OBSOLETE FUNCTION)\n" );
2903 SET_CFLAG(context
); /* Error / This is not DR DOS. */
2904 SET_AX( context
, 0x0001 ); /* Invalid function */
2907 case 0x52: /* DR DOS - DETERMINE DOS TYPE */
2908 TRACE( "DR DOS - DETERMINE DOS TYPE\n" );
2909 SET_CFLAG(context
); /* Error / This is not DR DOS. */
2910 SET_AX( context
, 0x0001 ); /* Invalid function */
2913 case 0xe0: /* Sun PC-NFS API */
2914 TRACE( "Sun PC-NFS API\n" );
2919 INT_BARF( context
, 0x21 );
2924 /***********************************************************************
2927 * Handler for function 0x73.
2929 static BOOL
INT21_Fat32( CONTEXT86
*context
)
2931 switch (AL_reg(context
))
2933 case 0x02: /* FAT32 - GET EXTENDED DPB */
2935 BYTE drive
= INT21_MapDrive( DL_reg(context
) );
2936 WORD
*ptr
= CTX_SEG_OFF_TO_LIN(context
,
2937 context
->SegEs
, context
->Edi
);
2938 INT21_DPB
*target
= (INT21_DPB
*)(ptr
+ 1);
2941 TRACE( "FAT32 - GET EXTENDED DPB %d\n", DL_reg(context
) );
2943 if ( CX_reg(context
) < sizeof(INT21_DPB
) + 2 || *ptr
< sizeof(INT21_DPB
) )
2945 SetLastError( ERROR_BAD_LENGTH
);
2949 if ( !INT21_FillDrivePB( drive
) )
2951 SetLastError( ERROR_INVALID_DRIVE
);
2955 source
= &INT21_GetHeapPointer()->misc_dpb_list
[drive
];
2957 *ptr
= sizeof(INT21_DPB
);
2958 memcpy( target
, source
, sizeof(INT21_DPB
));
2960 if (LOWORD(context
->Esi
) != 0xF1A6)
2962 target
->driver_header
= 0;
2967 FIXME( "Caller requested driver and next DPB pointers!\n" );
2972 case 0x03: /* FAT32 - GET EXTENDED FREE SPACE ON DRIVE */
2974 WCHAR dirW
[MAX_PATH
];
2975 char *dirA
= CTX_SEG_OFF_TO_LIN( context
,
2976 context
->SegDs
, context
->Edx
);
2977 BYTE
*data
= CTX_SEG_OFF_TO_LIN( context
,
2978 context
->SegEs
, context
->Edi
);
2979 DWORD cluster_sectors
;
2981 DWORD free_clusters
;
2982 DWORD total_clusters
;
2984 TRACE( "FAT32 - GET EXTENDED FREE SPACE ON DRIVE %s\n", dirA
);
2985 MultiByteToWideChar(CP_OEMCP
, 0, dirA
, -1, dirW
, MAX_PATH
);
2987 if (CX_reg(context
) < 44)
2989 SetLastError( ERROR_BAD_LENGTH
);
2993 if (!GetDiskFreeSpaceW( dirW
, &cluster_sectors
, §or_bytes
,
2994 &free_clusters
, &total_clusters
))
2997 *(WORD
*) (data
+ 0) = 44; /* size of structure */
2998 *(WORD
*) (data
+ 2) = 0; /* version */
2999 *(DWORD
*)(data
+ 4) = cluster_sectors
;
3000 *(DWORD
*)(data
+ 8) = sector_bytes
;
3001 *(DWORD
*)(data
+ 12) = free_clusters
;
3002 *(DWORD
*)(data
+ 16) = total_clusters
;
3005 * Below we have free/total sectors and
3006 * free/total allocation units without adjustment
3007 * for compression. We fake both using cluster information.
3009 *(DWORD
*)(data
+ 20) = free_clusters
* cluster_sectors
;
3010 *(DWORD
*)(data
+ 24) = total_clusters
* cluster_sectors
;
3011 *(DWORD
*)(data
+ 28) = free_clusters
;
3012 *(DWORD
*)(data
+ 32) = total_clusters
;
3015 * Between (data + 36) and (data + 43) there
3016 * are eight reserved bytes.
3022 INT_BARF( context
, 0x21 );
3028 static void INT21_ConvertFindDataWtoA(WIN32_FIND_DATAA
*dataA
,
3029 const WIN32_FIND_DATAW
*dataW
)
3031 dataA
->dwFileAttributes
= dataW
->dwFileAttributes
;
3032 dataA
->ftCreationTime
= dataW
->ftCreationTime
;
3033 dataA
->ftLastAccessTime
= dataW
->ftLastAccessTime
;
3034 dataA
->ftLastWriteTime
= dataW
->ftLastWriteTime
;
3035 dataA
->nFileSizeHigh
= dataW
->nFileSizeHigh
;
3036 dataA
->nFileSizeLow
= dataW
->nFileSizeLow
;
3037 WideCharToMultiByte( CP_OEMCP
, 0, dataW
->cFileName
, -1,
3038 dataA
->cFileName
, sizeof(dataA
->cFileName
), NULL
, NULL
);
3039 WideCharToMultiByte( CP_OEMCP
, 0, dataW
->cAlternateFileName
, -1,
3040 dataA
->cAlternateFileName
, sizeof(dataA
->cAlternateFileName
), NULL
, NULL
);
3043 /***********************************************************************
3044 * INT21_LongFilename
3046 * Handler for function 0x71.
3048 static void INT21_LongFilename( CONTEXT86
*context
)
3050 BOOL bSetDOSExtendedError
= FALSE
;
3051 WCHAR pathW
[MAX_PATH
];
3054 if (HIBYTE(HIWORD(GetVersion16())) < 0x07)
3056 TRACE( "LONG FILENAME - functions supported only under DOS7\n" );
3057 SET_CFLAG( context
);
3058 SET_AL( context
, 0 );
3062 switch (AL_reg(context
))
3064 case 0x0d: /* RESET DRIVE */
3065 INT_BARF( context
, 0x21 );
3068 case 0x39: /* LONG FILENAME - MAKE DIRECTORY */
3069 if (!INT21_CreateDirectory( context
))
3070 bSetDOSExtendedError
= TRUE
;
3073 case 0x3a: /* LONG FILENAME - REMOVE DIRECTORY */
3074 pathA
= CTX_SEG_OFF_TO_LIN(context
, context
->SegDs
, context
->Edx
);
3076 TRACE( "LONG FILENAME - REMOVE DIRECTORY %s\n", pathA
);
3077 MultiByteToWideChar(CP_OEMCP
, 0, pathA
, -1, pathW
, MAX_PATH
);
3078 if (!RemoveDirectoryW( pathW
)) bSetDOSExtendedError
= TRUE
;
3081 case 0x3b: /* LONG FILENAME - CHANGE DIRECTORY */
3082 if (!INT21_SetCurrentDirectory( context
))
3083 bSetDOSExtendedError
= TRUE
;
3086 case 0x41: /* LONG FILENAME - DELETE FILE */
3087 pathA
= CTX_SEG_OFF_TO_LIN(context
, context
->SegDs
, context
->Edx
);
3089 TRACE( "LONG FILENAME - DELETE FILE %s\n", pathA
);
3090 MultiByteToWideChar(CP_OEMCP
, 0, pathA
, -1, pathW
, MAX_PATH
);
3092 if (!DeleteFileW( pathW
)) bSetDOSExtendedError
= TRUE
;
3095 case 0x43: /* LONG FILENAME - EXTENDED GET/SET FILE ATTRIBUTES */
3096 if (!INT21_FileAttributes( context
, BL_reg(context
), TRUE
))
3097 bSetDOSExtendedError
= TRUE
;
3100 case 0x47: /* LONG FILENAME - GET CURRENT DIRECTORY */
3101 if (!INT21_GetCurrentDirectory( context
, TRUE
))
3102 bSetDOSExtendedError
= TRUE
;
3105 case 0x4e: /* LONG FILENAME - FIND FIRST MATCHING FILE */
3109 WIN32_FIND_DATAW dataW
;
3110 WIN32_FIND_DATAA
* dataA
;
3112 pathA
= CTX_SEG_OFF_TO_LIN(context
, context
->SegDs
,context
->Edx
);
3113 TRACE(" LONG FILENAME - FIND FIRST MATCHING FILE for %s\n", pathA
);
3115 MultiByteToWideChar(CP_OEMCP
, 0, pathA
, -1, pathW
, MAX_PATH
);
3116 handle
= FindFirstFileW(pathW
, &dataW
);
3118 dataA
= (WIN32_FIND_DATAA
*)CTX_SEG_OFF_TO_LIN(context
, context
->SegEs
,
3120 if (handle
!= INVALID_HANDLE_VALUE
&&
3121 (h16
= GlobalAlloc16(GMEM_MOVEABLE
, sizeof(handle
))))
3123 HANDLE
* ptr
= GlobalLock16( h16
);
3125 GlobalUnlock16( h16
);
3126 SET_AX( context
, h16
);
3127 INT21_ConvertFindDataWtoA(dataA
, &dataW
);
3131 if (handle
!= INVALID_HANDLE_VALUE
) FindClose(handle
);
3132 SET_AX( context
, INVALID_HANDLE_VALUE16
);
3133 bSetDOSExtendedError
= TRUE
;
3138 case 0x4f: /* LONG FILENAME - FIND NEXT MATCHING FILE */
3140 HGLOBAL16 h16
= BX_reg(context
);
3142 WIN32_FIND_DATAW dataW
;
3143 WIN32_FIND_DATAA
* dataA
;
3145 TRACE("LONG FILENAME - FIND NEXT MATCHING FILE for handle %d\n",
3148 dataA
= (WIN32_FIND_DATAA
*)CTX_SEG_OFF_TO_LIN(context
, context
->SegEs
,
3151 if (h16
!= INVALID_HANDLE_VALUE16
&& (ptr
= GlobalLock16( h16
)))
3153 if (!FindNextFileW(*ptr
, &dataW
)) bSetDOSExtendedError
= TRUE
;
3154 else INT21_ConvertFindDataWtoA(dataA
, &dataW
);
3155 GlobalUnlock16( h16
);
3159 SetLastError( ERROR_INVALID_HANDLE
);
3160 bSetDOSExtendedError
= TRUE
;
3165 case 0x56: /* LONG FILENAME - RENAME FILE */
3166 if (!INT21_RenameFile(context
))
3167 bSetDOSExtendedError
= TRUE
;
3170 case 0x60: /* LONG FILENAME - CONVERT PATH */
3172 WCHAR res
[MAX_PATH
];
3174 switch (CL_reg(context
))
3176 case 0x00: /* "truename" - Canonicalize path */
3178 * FIXME: This is not 100% equal to 0x01 case,
3179 * if you fix this, fix int21 subfunction 0x60, too.
3182 case 0x01: /* Get short filename or path */
3183 MultiByteToWideChar(CP_OEMCP
, 0, CTX_SEG_OFF_TO_LIN(context
, context
->SegDs
, context
->Esi
), -1, pathW
, MAX_PATH
);
3184 if (!GetShortPathNameW(pathW
, res
, 67))
3185 bSetDOSExtendedError
= TRUE
;
3188 SET_AX( context
, 0 );
3189 WideCharToMultiByte(CP_OEMCP
, 0, res
, -1,
3190 CTX_SEG_OFF_TO_LIN(context
, context
->SegEs
, context
->Edi
),
3195 case 0x02: /* Get canonical long filename or path */
3196 MultiByteToWideChar(CP_OEMCP
, 0, CTX_SEG_OFF_TO_LIN(context
, context
->SegDs
, context
->Esi
), -1, pathW
, MAX_PATH
);
3197 if (!GetFullPathNameW(pathW
, 128, res
, NULL
))
3198 bSetDOSExtendedError
= TRUE
;
3201 SET_AX( context
, 0 );
3202 WideCharToMultiByte(CP_OEMCP
, 0, res
, -1,
3203 CTX_SEG_OFF_TO_LIN(context
, context
->SegEs
, context
->Edi
),
3208 FIXME("Unimplemented long file name function:\n");
3209 INT_BARF( context
, 0x21 );
3211 SET_AL( context
, 0 );
3217 case 0x6c: /* LONG FILENAME - CREATE OR OPEN FILE */
3218 if (!INT21_CreateFile( context
, context
->Esi
, TRUE
,
3219 BX_reg(context
), DL_reg(context
) ))
3220 bSetDOSExtendedError
= TRUE
;
3223 case 0xa0: /* LONG FILENAME - GET VOLUME INFORMATION */
3225 DWORD filename_len
, flags
;
3228 pathA
= CTX_SEG_OFF_TO_LIN(context
, context
->SegDs
,context
->Edx
);
3230 TRACE("LONG FILENAME - GET VOLUME INFORMATION for drive having root dir '%s'.\n", pathA
);
3231 SET_AX( context
, 0 );
3232 MultiByteToWideChar(CP_OEMCP
, 0, pathA
, -1, pathW
, MAX_PATH
);
3233 if (!GetVolumeInformationW( pathW
, NULL
, 0, NULL
, &filename_len
,
3236 INT_BARF( context
, 0x21 );
3240 SET_BX( context
, flags
| 0x4000 ); /* support for LFN functions */
3241 SET_CX( context
, filename_len
);
3242 SET_DX( context
, MAX_PATH
); /* FIXME: which len if DRIVE_SHORT_NAMES ? */
3243 WideCharToMultiByte(CP_OEMCP
, 0, dstW
, -1,
3244 CTX_SEG_OFF_TO_LIN(context
, context
->SegEs
, context
->Edi
),
3249 case 0xa1: /* LONG FILENAME - "FindClose" - TERMINATE DIRECTORY SEARCH */
3251 HGLOBAL16 h16
= BX_reg(context
);
3254 TRACE("LONG FILENAME - FINDCLOSE for handle %d\n",
3256 if (h16
!= INVALID_HANDLE_VALUE16
&& (ptr
= GlobalLock16( h16
)))
3258 if (!FindClose( *ptr
)) bSetDOSExtendedError
= TRUE
;
3259 GlobalUnlock16( h16
);
3260 GlobalFree16( h16
);
3264 SetLastError( ERROR_INVALID_HANDLE
);
3265 bSetDOSExtendedError
= TRUE
;
3270 case 0xa6: /* LONG FILENAME - GET FILE INFO BY HANDLE */
3272 HANDLE handle
= DosFileHandleToWin32Handle(BX_reg(context
));
3273 BY_HANDLE_FILE_INFORMATION
*info
=
3274 CTX_SEG_OFF_TO_LIN(context
, context
->SegDs
, context
->Edx
);
3276 TRACE( "LONG FILENAME - GET FILE INFO BY HANDLE\n" );
3278 if (!GetFileInformationByHandle(handle
, info
))
3279 bSetDOSExtendedError
= TRUE
;
3283 case 0xa7: /* LONG FILENAME - CONVERT TIME */
3284 switch (BL_reg(context
))
3286 case 0x00: /* FILE TIME TO DOS TIME */
3289 FILETIME
*filetime
= CTX_SEG_OFF_TO_LIN(context
,
3293 TRACE( "LONG FILENAME - FILE TIME TO DOS TIME\n" );
3295 FileTimeToDosDateTime( filetime
, &date
, &time
);
3297 SET_DX( context
, date
);
3298 SET_CX( context
, time
);
3301 * FIXME: BH has number of 10-millisecond units
3304 SET_BH( context
, 0 );
3308 case 0x01: /* DOS TIME TO FILE TIME */
3310 FILETIME
*filetime
= CTX_SEG_OFF_TO_LIN(context
,
3314 TRACE( "LONG FILENAME - DOS TIME TO FILE TIME\n" );
3317 * FIXME: BH has number of 10-millisecond units
3320 DosDateTimeToFileTime( DX_reg(context
), CX_reg(context
),
3326 INT_BARF( context
, 0x21 );
3331 case 0xa8: /* LONG FILENAME - GENERATE SHORT FILENAME */
3332 case 0xa9: /* LONG FILENAME - SERVER CREATE OR OPEN FILE */
3333 case 0xaa: /* LONG FILENAME - SUBST */
3335 FIXME("Unimplemented long file name function:\n");
3336 INT_BARF( context
, 0x21 );
3338 SET_AL( context
, 0 );
3342 if (bSetDOSExtendedError
)
3344 SET_AX( context
, GetLastError() );
3345 SET_CFLAG( context
);
3350 /***********************************************************************
3355 * - subfunction 0x56 of function 0x71
3356 * - subfunction 0xff of function 0x43 (CL == 0x56)
3358 static BOOL
INT21_RenameFile( CONTEXT86
*context
)
3360 WCHAR fromW
[MAX_PATH
];
3361 WCHAR toW
[MAX_PATH
];
3362 char *fromA
= CTX_SEG_OFF_TO_LIN(context
,
3363 context
->SegDs
,context
->Edx
);
3364 char *toA
= CTX_SEG_OFF_TO_LIN(context
,
3365 context
->SegEs
,context
->Edi
);
3367 TRACE( "RENAME FILE %s to %s\n", fromA
, toA
);
3368 MultiByteToWideChar(CP_OEMCP
, 0, fromA
, -1, fromW
, MAX_PATH
);
3369 MultiByteToWideChar(CP_OEMCP
, 0, toA
, -1, toW
, MAX_PATH
);
3371 return MoveFileW( fromW
, toW
);
3375 /***********************************************************************
3381 static BOOL
INT21_NetworkFunc (CONTEXT86
*context
)
3383 switch (AL_reg(context
))
3385 case 0x00: /* Get machine name. */
3387 WCHAR dstW
[MAX_COMPUTERNAME_LENGTH
+ 1];
3388 DWORD s
= sizeof(dstW
) / sizeof(WCHAR
);
3391 char *dst
= CTX_SEG_OFF_TO_LIN (context
,context
->SegDs
,context
->Edx
);
3392 TRACE("getting machine name to %p\n", dst
);
3393 if (!GetComputerNameW(dstW
, &s
) ||
3394 !WideCharToMultiByte(CP_OEMCP
, 0, dstW
, -1, dst
, 16, NULL
, NULL
))
3397 SetLastError( ER_NoNetwork
);
3400 for (len
= strlen(dst
); len
< 15; len
++) dst
[len
] = ' ';
3402 SET_CH( context
, 1 ); /* Valid */
3403 SET_CL( context
, 1 ); /* NETbios number??? */
3404 TRACE("returning %s\n", debugstr_an(dst
, 16));
3409 SetLastError( ER_NoNetwork
);
3414 /******************************************************************
3415 * INT21_GetDiskSerialNumber
3418 static int INT21_GetDiskSerialNumber( CONTEXT86
*context
)
3420 BYTE
*dataptr
= CTX_SEG_OFF_TO_LIN(context
, context
->SegDs
, context
->Edx
);
3421 WCHAR path
[] = {'A',':',0}, label
[11];
3424 path
[0] += INT21_MapDrive(BL_reg(context
));
3425 if (!GetVolumeInformationW( path
, label
, 11, &serial
, NULL
, NULL
, NULL
, 0))
3427 SetLastError( ERROR_INVALID_DRIVE
);
3431 *(WORD
*)dataptr
= 0;
3432 memcpy(dataptr
+ 2, &serial
, sizeof(DWORD
));
3433 WideCharToMultiByte(CP_OEMCP
, 0, label
, 11, (LPSTR
)dataptr
+ 6, 11, NULL
, NULL
);
3434 memcpy(dataptr
+ 17, "FAT16 ", 8);
3439 /******************************************************************
3440 * INT21_SetDiskSerialNumber
3443 static int INT21_SetDiskSerialNumber( CONTEXT86
*context
)
3446 BYTE
*dataptr
= CTX_SEG_OFF_TO_LIN(context
, context
->SegDs
, context
->Edx
);
3447 int drive
= INT21_MapDrive(BL_reg(context
));
3449 if (!is_valid_drive(drive
))
3451 SetLastError( ERROR_INVALID_DRIVE
);
3455 DRIVE_SetSerialNumber( drive
, *(DWORD
*)(dataptr
+ 2) );
3458 FIXME("Setting drive serial number is no longer supported\n");
3459 SetLastError( ERROR_NOT_SUPPORTED
);
3465 /******************************************************************
3466 * INT21_GetFreeDiskSpace
3469 static int INT21_GetFreeDiskSpace( CONTEXT86
*context
)
3471 DWORD cluster_sectors
, sector_bytes
, free_clusters
, total_clusters
;
3472 WCHAR root
[] = {'A',':','\\',0};
3473 const DWORD max_clusters
= 0x3d83;
3474 const DWORD max_sectors_per_cluster
= 0x7f;
3475 const DWORD max_bytes_per_sector
= 0x200;
3477 root
[0] += INT21_MapDrive(DL_reg(context
));
3478 if (!GetDiskFreeSpaceW( root
, &cluster_sectors
, §or_bytes
,
3479 &free_clusters
, &total_clusters
)) return 0;
3481 /* Some old win31 apps (Lotus SmartSuite 5.1) crap out if there's too
3482 * much disk space, so Windows XP seems to apply the following limits:
3483 * cluster_sectors <= 0x7f
3484 * sector size <= 0x200
3485 * clusters <= 0x3D83
3486 * This means total reported space is limited to about 1GB.
3489 /* Make sure bytes-per-sector is in [, max] */
3490 while (sector_bytes
> max_bytes_per_sector
) {
3492 free_clusters
<<= 1;
3493 total_clusters
<<= 1;
3495 /* Then make sure sectors-per-cluster is in [max/2, max]. */
3496 while (cluster_sectors
<= max_sectors_per_cluster
/2) {
3497 cluster_sectors
<<= 1;
3498 free_clusters
>>= 1;
3499 total_clusters
>>= 1;
3501 while (cluster_sectors
> max_sectors_per_cluster
) {
3502 cluster_sectors
>>= 1;
3503 free_clusters
<<= 1;
3504 total_clusters
<<= 1;
3507 /* scale up sectors_per_cluster to exactly max_sectors_per_cluster.
3508 * We could skip this, but that would impose an artificially low
3509 * limit on reported disk space.
3510 * To avoid overflow, first apply a preliminary cap on sector count;
3511 * this will not affect the correctness of the final result,
3512 * because if the preliminary cap hits, the final one will, too.
3514 if (total_clusters
> 4 * max_clusters
)
3515 total_clusters
= 4 * max_clusters
;
3516 if (free_clusters
> 4 * max_clusters
)
3517 free_clusters
= 4 * max_clusters
;
3518 if (cluster_sectors
< max_sectors_per_cluster
) {
3519 free_clusters
*= cluster_sectors
;
3520 free_clusters
/= max_sectors_per_cluster
;
3521 total_clusters
*= cluster_sectors
;
3522 total_clusters
/= max_sectors_per_cluster
;
3523 cluster_sectors
= max_sectors_per_cluster
;
3526 /* Finally, apply real cluster count cap. */
3527 if (total_clusters
> max_clusters
)
3528 total_clusters
= max_clusters
;
3529 if (free_clusters
> max_clusters
)
3530 free_clusters
= max_clusters
;
3532 SET_AX( context
, cluster_sectors
);
3533 SET_BX( context
, free_clusters
);
3534 SET_CX( context
, sector_bytes
);
3535 SET_DX( context
, total_clusters
);
3539 /******************************************************************
3540 * INT21_GetDriveAllocInfo
3543 static int INT21_GetDriveAllocInfo( CONTEXT86
*context
, BYTE drive
)
3547 drive
= INT21_MapDrive( drive
);
3548 if (!INT21_FillDrivePB( drive
)) return 0;
3549 dpb
= &(INT21_GetHeapPointer()->misc_dpb_list
[drive
]);
3550 SET_AL( context
, dpb
->cluster_sectors
+ 1 );
3551 SET_CX( context
, dpb
->sector_bytes
);
3552 SET_DX( context
, dpb
->num_clusters1
);
3554 context
->SegDs
= INT21_GetHeapSelector( context
);
3555 SET_BX( context
, offsetof( INT21_HEAP
, misc_dpb_list
[drive
].media_ID
) );
3559 /***********************************************************************
3560 * INT21_GetExtendedError
3562 static void INT21_GetExtendedError( CONTEXT86
*context
)
3564 BYTE
class, action
, locus
;
3565 WORD error
= GetLastError();
3570 class = action
= locus
= 0;
3572 case ERROR_DIR_NOT_EMPTY
:
3577 case ERROR_ACCESS_DENIED
:
3578 class = EC_AccessDenied
;
3582 case ERROR_CANNOT_MAKE
:
3583 class = EC_AccessDenied
;
3587 case ERROR_DISK_FULL
:
3588 case ERROR_HANDLE_DISK_FULL
:
3589 class = EC_MediaError
;
3593 case ERROR_FILE_EXISTS
:
3594 case ERROR_ALREADY_EXISTS
:
3599 case ERROR_FILE_NOT_FOUND
:
3600 class = EC_NotFound
;
3604 case ERROR_GEN_FAILURE
:
3605 class = EC_SystemFailure
;
3609 case ERROR_INVALID_DRIVE
:
3610 class = EC_MediaError
;
3614 case ERROR_INVALID_HANDLE
:
3615 class = EC_ProgramError
;
3619 case ERROR_LOCK_VIOLATION
:
3620 class = EC_AccessDenied
;
3624 case ERROR_NO_MORE_FILES
:
3625 class = EC_MediaError
;
3630 class = EC_NotFound
;
3634 case ERROR_NOT_ENOUGH_MEMORY
:
3635 class = EC_OutOfResource
;
3639 case ERROR_PATH_NOT_FOUND
:
3640 class = EC_NotFound
;
3645 class = EC_NotFound
;
3649 case ERROR_SHARING_VIOLATION
:
3650 class = EC_Temporary
;
3654 case ERROR_TOO_MANY_OPEN_FILES
:
3655 class = EC_ProgramError
;
3660 FIXME("Unknown error %d\n", error
);
3661 class = EC_SystemFailure
;
3666 TRACE("GET EXTENDED ERROR code 0x%02x class 0x%02x action 0x%02x locus %02x\n",
3667 error
, class, action
, locus
);
3668 SET_AX( context
, error
);
3669 SET_BH( context
, class );
3670 SET_BL( context
, action
);
3671 SET_CH( context
, locus
);
3674 static BOOL
INT21_CreateTempFile( CONTEXT86
*context
)
3676 static int counter
= 0;
3677 char *name
= CTX_SEG_OFF_TO_LIN(context
, context
->SegDs
, context
->Edx
);
3678 char *p
= name
+ strlen(name
);
3680 /* despite what Ralf Brown says, some programs seem to call without
3681 * ending backslash (DOS accepts that, so we accept it too) */
3682 if ((p
== name
) || (p
[-1] != '\\')) *p
++ = '\\';
3686 sprintf( p
, "wine%04x.%03d", (int)getpid(), counter
);
3687 counter
= (counter
+ 1) % 1000;
3690 Win32HandleToDosFileHandle(
3691 CreateFileA( name
, GENERIC_READ
| GENERIC_WRITE
,
3692 FILE_SHARE_READ
| FILE_SHARE_WRITE
, NULL
,
3693 CREATE_NEW
, 0, 0 ) ) );
3694 if (AX_reg(context
) != HFILE_ERROR16
)
3696 TRACE("created %s\n", name
);
3699 if (GetLastError() != ERROR_FILE_EXISTS
) return FALSE
;
3703 /***********************************************************************
3704 * DOSFS_ToDosFCBFormat
3706 * Convert a file name to DOS FCB format (8+3 chars, padded with blanks),
3707 * expanding wild cards and converting to upper-case in the process.
3708 * File name can be terminated by '\0', '\\' or '/'.
3709 * Return FALSE if the name is not a valid DOS name.
3710 * 'buffer' must be at least 12 characters long.
3712 /* Chars we don't want to see in DOS file names */
3713 static BOOL
INT21_ToDosFCBFormat( LPCWSTR name
, LPWSTR buffer
)
3715 static const WCHAR invalid_chars
[] = {'*','?','<','>','|','\\','"','+','=',',',';','[',']',' ','\345',0};
3719 /* Check for "." and ".." */
3724 for(i
= 1; i
< 11; i
++) buffer
[i
] = ' ';
3731 return (!*p
|| (*p
== '/') || (*p
== '\\'));
3734 for (i
= 0; i
< 8; i
++)
3751 if (strchrW( invalid_chars
, *p
)) return FALSE
;
3752 buffer
[i
] = toupperW(*p
);
3760 /* Skip all chars after wildcard up to first dot */
3761 while (*p
&& (*p
!= '/') && (*p
!= '\\') && (*p
!= '.')) p
++;
3765 /* Check if name too long */
3766 if (*p
&& (*p
!= '/') && (*p
!= '\\') && (*p
!= '.')) return FALSE
;
3768 if (*p
== '.') p
++; /* Skip dot */
3770 for (i
= 8; i
< 11; i
++)
3780 return FALSE
; /* Second extension not allowed */
3788 if (strchrW( invalid_chars
, *p
)) return FALSE
;
3789 buffer
[i
] = toupperW(*p
);
3796 /* at most 3 character of the extension are processed
3797 * is something behind this ?
3799 while (*p
== '*' || *p
== ' ') p
++; /* skip wildcards and spaces */
3800 return (!*p
|| (*p
== '/') || (*p
== '\\'));
3803 static HANDLE INT21_FindHandle
;
3804 static const WCHAR
*INT21_FindPath
; /* will point to current dta->fullPath search */
3806 /******************************************************************
3809 static int INT21_FindFirst( CONTEXT86
*context
)
3813 FINDFILE_DTA
*dta
= (FINDFILE_DTA
*)INT21_GetCurrentDTA(context
);
3814 WCHAR maskW
[12], pathW
[MAX_PATH
];
3815 static const WCHAR wildcardW
[] = {'*','.','*',0};
3817 path
= (const char *)CTX_SEG_OFF_TO_LIN(context
, context
->SegDs
, context
->Edx
);
3818 MultiByteToWideChar(CP_OEMCP
, 0, path
, -1, pathW
, MAX_PATH
);
3820 p
= strrchrW( pathW
, '\\');
3821 q
= strrchrW( pathW
, '/');
3825 if (pathW
[0] && pathW
[1] == ':') p
= pathW
+ 2;
3830 /* Note: terminating NULL in dta->mask overwrites dta->search_attr
3831 * (doesn't matter as it is set below anyway)
3833 if (!INT21_ToDosFCBFormat( p
, maskW
))
3835 SetLastError( ERROR_FILE_NOT_FOUND
);
3836 SET_AX( context
, ERROR_FILE_NOT_FOUND
);
3840 WideCharToMultiByte(CP_OEMCP
, 0, maskW
, 12, dta
->mask
, sizeof(dta
->mask
), NULL
, NULL
);
3842 dta
->fullPath
= HeapAlloc( GetProcessHeap(), 0, sizeof(wildcardW
) + (p
- pathW
)*sizeof(WCHAR
) );
3843 memcpy( dta
->fullPath
, pathW
, (p
- pathW
) * sizeof(WCHAR
) );
3844 memcpy( dta
->fullPath
+ (p
- pathW
), wildcardW
, sizeof(wildcardW
) );
3845 /* we must have a fully qualified file name in dta->fullPath
3846 * (we could have a UNC path, but this would lead to some errors later on)
3848 dta
->drive
= toupperW(dta
->fullPath
[0]) - 'A';
3850 dta
->search_attr
= CL_reg(context
);
3854 /******************************************************************
3857 * Check is a short path name (DTA unicode) matches a mask (FCB ansi)
3859 static BOOL
match_short(LPCWSTR shortW
, LPCSTR maskA
)
3861 WCHAR mask
[11], file
[12];
3864 if (!INT21_ToDosFCBFormat( shortW
, file
)) return FALSE
;
3865 MultiByteToWideChar(CP_OEMCP
, 0, maskA
, 11, mask
, 11);
3866 for (i
= 0; i
< 11; i
++)
3867 if (mask
[i
] != '?' && mask
[i
] != file
[i
]) return FALSE
;
3871 static unsigned INT21_FindHelper(LPCWSTR fullPath
, unsigned drive
, unsigned count
,
3872 LPCSTR mask
, unsigned search_attr
,
3873 WIN32_FIND_DATAW
* entry
)
3877 if ((search_attr
& ~(FA_UNUSED
| FA_ARCHIVE
| FA_RDONLY
)) == FA_LABEL
)
3879 WCHAR path
[] = {' ',':',0};
3881 if (count
) return 0;
3882 path
[0] = drive
+ 'A';
3883 if (!GetVolumeInformationW(path
, entry
->cAlternateFileName
, 13, NULL
, NULL
, NULL
, NULL
, 0)) return 0;
3884 RtlSecondsSince1970ToTime( (time_t)0, (LARGE_INTEGER
*)&entry
->ftCreationTime
);
3885 RtlSecondsSince1970ToTime( (time_t)0, (LARGE_INTEGER
*)&entry
->ftLastAccessTime
);
3886 RtlSecondsSince1970ToTime( (time_t)0, (LARGE_INTEGER
*)&entry
->ftLastWriteTime
);
3887 entry
->dwFileAttributes
= FA_LABEL
;
3888 entry
->nFileSizeHigh
= entry
->nFileSizeLow
= 0;
3889 TRACE("returning %s as label\n", debugstr_w(entry
->cAlternateFileName
));
3893 if (!INT21_FindHandle
|| INT21_FindPath
!= fullPath
|| count
== 0)
3895 if (INT21_FindHandle
) FindClose(INT21_FindHandle
);
3896 INT21_FindHandle
= FindFirstFileW(fullPath
, entry
);
3897 if (INT21_FindHandle
== INVALID_HANDLE_VALUE
)
3899 INT21_FindHandle
= 0;
3902 INT21_FindPath
= fullPath
;
3903 /* we need to resync search */
3908 while (ncalls
-- != 0)
3910 if (!FindNextFileW(INT21_FindHandle
, entry
))
3912 FindClose(INT21_FindHandle
); INT21_FindHandle
= 0;
3916 while (count
< 0xffff)
3919 /* Check the file attributes, and path */
3920 if (!(entry
->dwFileAttributes
& ~search_attr
) &&
3921 match_short(entry
->cAlternateFileName
[0] ? entry
->cAlternateFileName
: entry
->cFileName
,
3926 if (!FindNextFileW(INT21_FindHandle
, entry
))
3928 FindClose(INT21_FindHandle
); INT21_FindHandle
= 0;
3932 WARN("Too many directory entries in %s\n", debugstr_w(fullPath
) );
3936 /******************************************************************
3939 static int INT21_FindNext( CONTEXT86
*context
)
3941 FINDFILE_DTA
*dta
= (FINDFILE_DTA
*)INT21_GetCurrentDTA(context
);
3942 DWORD attr
= dta
->search_attr
| FA_UNUSED
| FA_ARCHIVE
| FA_RDONLY
;
3943 WIN32_FIND_DATAW entry
;
3946 if (!dta
->fullPath
) return 0;
3948 n
= INT21_FindHelper(dta
->fullPath
, dta
->drive
, dta
->count
,
3949 dta
->mask
, attr
, &entry
);
3952 dta
->fileattr
= entry
.dwFileAttributes
;
3953 dta
->filesize
= entry
.nFileSizeLow
;
3954 FileTimeToDosDateTime( &entry
.ftLastWriteTime
, &dta
->filedate
, &dta
->filetime
);
3955 if (entry
.cAlternateFileName
[0])
3956 WideCharToMultiByte(CP_OEMCP
, 0, entry
.cAlternateFileName
, -1,
3957 dta
->filename
, 13, NULL
, NULL
);
3959 WideCharToMultiByte(CP_OEMCP
, 0, entry
.cFileName
, -1, dta
->filename
, 13, NULL
, NULL
);
3961 if (!memchr(dta
->mask
,'?',11))
3963 /* wildcardless search, release resources in case no findnext will
3964 * be issued, and as a workaround in case file creation messes up
3965 * findnext, as sometimes happens with pkunzip
3967 HeapFree( GetProcessHeap(), 0, dta
->fullPath
);
3968 INT21_FindPath
= dta
->fullPath
= NULL
;
3973 HeapFree( GetProcessHeap(), 0, dta
->fullPath
);
3974 INT21_FindPath
= dta
->fullPath
= NULL
;
3978 /* microsoft's programmers should be shot for using CP/M style int21
3979 calls in Windows for Workgroup's winfile.exe */
3981 /******************************************************************
3982 * INT21_FindFirstFCB
3985 static int INT21_FindFirstFCB( CONTEXT86
*context
)
3987 BYTE
*fcb
= (BYTE
*)CTX_SEG_OFF_TO_LIN(context
, context
->SegDs
, context
->Edx
);
3990 WCHAR p
[] = {' ',':',};
3992 if (*fcb
== 0xff) pFCB
= (FINDFILE_FCB
*)(fcb
+ 7);
3993 else pFCB
= (FINDFILE_FCB
*)fcb
;
3994 drive
= INT21_MapDrive( pFCB
->drive
);
3995 if (drive
== MAX_DOS_DRIVES
) return 0;
3998 pFCB
->fullPath
= HeapAlloc(GetProcessHeap(), 0, MAX_PATH
* sizeof(WCHAR
));
3999 if (!pFCB
->fullPath
) return 0;
4000 GetLongPathNameW(p
, pFCB
->fullPath
, MAX_PATH
);
4005 /******************************************************************
4009 static int INT21_FindNextFCB( CONTEXT86
*context
)
4011 BYTE
*fcb
= (BYTE
*)CTX_SEG_OFF_TO_LIN(context
, context
->SegDs
, context
->Edx
);
4013 LPBYTE pResult
= INT21_GetCurrentDTA(context
);
4014 DOS_DIRENTRY_LAYOUT
*ddl
;
4015 WIN32_FIND_DATAW entry
;
4020 if (*fcb
== 0xff) /* extended FCB ? */
4023 pFCB
= (FINDFILE_FCB
*)(fcb
+ 7);
4028 pFCB
= (FINDFILE_FCB
*)fcb
;
4031 if (!pFCB
->fullPath
) return 0;
4032 n
= INT21_FindHelper(pFCB
->fullPath
, INT21_MapDrive( pFCB
->drive
),
4033 pFCB
->count
, pFCB
->filename
, attr
, &entry
);
4036 HeapFree( GetProcessHeap(), 0, pFCB
->fullPath
);
4037 INT21_FindPath
= pFCB
->fullPath
= NULL
;
4044 /* place extended FCB header before pResult if called with extended FCB */
4046 pResult
+= 6; /* leave reserved field behind */
4047 *pResult
++ = entry
.dwFileAttributes
;
4049 *pResult
++ = INT21_MapDrive( pFCB
->drive
); /* DOS_DIRENTRY_LAYOUT after current drive number */
4050 ddl
= (DOS_DIRENTRY_LAYOUT
*)pResult
;
4051 ddl
->fileattr
= entry
.dwFileAttributes
;
4052 ddl
->cluster
= 0; /* what else? */
4053 ddl
->filesize
= entry
.nFileSizeLow
;
4054 memset( ddl
->reserved
, 0, sizeof(ddl
->reserved
) );
4055 FileTimeToDosDateTime( &entry
.ftLastWriteTime
,
4056 &ddl
->filedate
, &ddl
->filetime
);
4058 /* Convert file name to FCB format */
4059 if (entry
.cAlternateFileName
[0])
4060 INT21_ToDosFCBFormat( entry
.cAlternateFileName
, nameW
);
4062 INT21_ToDosFCBFormat( entry
.cFileName
, nameW
);
4063 WideCharToMultiByte(CP_OEMCP
, 0, nameW
, 11, ddl
->filename
, 11, NULL
, NULL
);
4068 /******************************************************************
4069 * INT21_ParseFileNameIntoFCB
4072 static void INT21_ParseFileNameIntoFCB( CONTEXT86
*context
)
4075 CTX_SEG_OFF_TO_LIN(context
, context
->SegDs
, context
->Esi
);
4077 CTX_SEG_OFF_TO_LIN(context
, context
->SegEs
, context
->Edi
);
4081 INT buffer_len
, len
;
4083 SET_AL( context
, 0xff ); /* failed */
4085 TRACE("filename: '%s'\n", filename
);
4088 while (*s
&& (*s
!= ' ') && (*s
!= '\r') && (*s
!= '\n'))
4092 buffer_len
= MultiByteToWideChar(CP_OEMCP
, 0, filename
, len
, NULL
, 0);
4093 buffer
= HeapAlloc( GetProcessHeap(), 0, (buffer_len
+ 1) * sizeof(WCHAR
));
4094 len
= MultiByteToWideChar(CP_OEMCP
, 0, filename
, len
, buffer
, buffer_len
);
4096 INT21_ToDosFCBFormat(buffer
, fcbW
);
4097 HeapFree(GetProcessHeap(), 0, buffer
);
4098 WideCharToMultiByte(CP_OEMCP
, 0, fcbW
, 12, fcb
+ 1, 12, NULL
, NULL
);
4100 TRACE("FCB: '%s'\n", fcb
+ 1);
4102 SET_AL( context
, ((strchr(filename
, '*')) || (strchr(filename
, '$'))) != 0 );
4104 /* point DS:SI to first unparsed character */
4105 SET_SI( context
, context
->Esi
+ (int)s
- (int)filename
);
4108 static BOOL
INT21_Dup2(HFILE16 hFile1
, HFILE16 hFile2
)
4110 HFILE16 res
= HFILE_ERROR16
;
4111 HANDLE handle
, new_handle
;
4112 #define DOS_TABLE_SIZE 256
4113 DWORD map
[DOS_TABLE_SIZE
/ 32];
4116 handle
= DosFileHandleToWin32Handle(hFile1
);
4117 if (handle
== INVALID_HANDLE_VALUE
)
4121 /* now loop to allocate the same one... */
4122 memset(map
, 0, sizeof(map
));
4123 for (i
= 0; i
< DOS_TABLE_SIZE
; i
++)
4125 if (!DuplicateHandle(GetCurrentProcess(), handle
,
4126 GetCurrentProcess(), &new_handle
,
4127 0, FALSE
, DUPLICATE_SAME_ACCESS
))
4129 res
= HFILE_ERROR16
;
4132 res
= Win32HandleToDosFileHandle(new_handle
);
4133 if (res
== HFILE_ERROR16
|| res
== hFile2
) break;
4134 map
[res
/ 32] |= 1 << (res
% 32);
4136 /* clean up the allocated slots */
4137 for (i
= 0; i
< DOS_TABLE_SIZE
; i
++)
4139 if (map
[i
/ 32] & (1 << (i
% 32)))
4140 _lclose16((HFILE16
)i
);
4142 return res
== hFile2
;
4146 /***********************************************************************
4147 * DOSVM_Int21Handler
4149 * Interrupt 0x21 handler.
4151 void WINAPI
DOSVM_Int21Handler( CONTEXT86
*context
)
4153 BOOL bSetDOSExtendedError
= FALSE
;
4155 TRACE( "AX=%04x BX=%04x CX=%04x DX=%04x "
4156 "SI=%04x DI=%04x DS=%04x ES=%04x EFL=%08x\n",
4157 AX_reg(context
), BX_reg(context
),
4158 CX_reg(context
), DX_reg(context
),
4159 SI_reg(context
), DI_reg(context
),
4160 (WORD
)context
->SegDs
, (WORD
)context
->SegEs
,
4164 * Extended error is used by (at least) functions 0x2f to 0x62.
4165 * Function 0x59 returns extended error and error should not
4166 * be cleared before handling the function.
4168 if (AH_reg(context
) >= 0x2f && AH_reg(context
) != 0x59)
4171 RESET_CFLAG(context
); /* Not sure if this is a good idea. */
4173 switch(AH_reg(context
))
4175 case 0x00: /* TERMINATE PROGRAM */
4176 TRACE("TERMINATE PROGRAM\n");
4177 if (DOSVM_IsWin16())
4179 else if(ISV86(context
))
4180 MZ_Exit( context
, FALSE
, 0 );
4182 ERR( "Called from DOS protected mode\n" );
4185 case 0x01: /* READ CHARACTER FROM STANDARD INPUT, WITH ECHO */
4188 TRACE("DIRECT CHARACTER INPUT WITH ECHO\n");
4189 INT21_ReadChar( &ascii
, context
);
4190 SET_AL( context
, ascii
);
4192 * FIXME: What to echo when extended keycodes are read?
4194 DOSVM_PutChar(AL_reg(context
));
4198 case 0x02: /* WRITE CHARACTER TO STANDARD OUTPUT */
4199 TRACE("Write Character to Standard Output\n");
4200 DOSVM_PutChar(DL_reg(context
));
4203 case 0x03: /* READ CHARACTER FROM STDAUX */
4204 case 0x04: /* WRITE CHARACTER TO STDAUX */
4205 case 0x05: /* WRITE CHARACTER TO PRINTER */
4206 INT_BARF( context
, 0x21 );
4209 case 0x06: /* DIRECT CONSOLE IN/OUTPUT */
4210 if (DL_reg(context
) == 0xff)
4212 TRACE("Direct Console Input\n");
4214 if (INT21_ReadChar( NULL
, NULL
))
4217 INT21_ReadChar( &ascii
, context
);
4218 SET_AL( context
, ascii
);
4219 RESET_ZFLAG( context
);
4223 /* no character available */
4224 SET_AL( context
, 0 );
4225 SET_ZFLAG( context
);
4230 TRACE("Direct Console Output\n");
4231 DOSVM_PutChar(DL_reg(context
));
4233 * At least DOS versions 2.1-7.0 return character
4234 * that was written in AL register.
4236 SET_AL( context
, DL_reg(context
) );
4240 case 0x07: /* DIRECT CHARACTER INPUT WITHOUT ECHO */
4243 TRACE("DIRECT CHARACTER INPUT WITHOUT ECHO\n");
4244 INT21_ReadChar( &ascii
, context
);
4245 SET_AL( context
, ascii
);
4249 case 0x08: /* CHARACTER INPUT WITHOUT ECHO */
4252 TRACE("CHARACTER INPUT WITHOUT ECHO\n");
4253 INT21_ReadChar( &ascii
, context
);
4254 SET_AL( context
, ascii
);
4258 case 0x09: /* WRITE STRING TO STANDARD OUTPUT */
4259 TRACE("WRITE '$'-terminated string from %04X:%04X to stdout\n",
4260 context
->SegDs
, DX_reg(context
) );
4262 LPSTR data
= CTX_SEG_OFF_TO_LIN( context
,
4263 context
->SegDs
, context
->Edx
);
4267 * Do NOT use strchr() to calculate the string length,
4268 * as '\0' is valid string content, too!
4269 * Maybe we should check for non-'$' strings, but DOS doesn't.
4271 while (*p
!= '$') p
++;
4273 if (DOSVM_IsWin16())
4274 WriteFile( DosFileHandleToWin32Handle(1),
4275 data
, p
- data
, &w
, NULL
);
4277 for(; data
!= p
; data
++)
4278 DOSVM_PutChar( *data
);
4280 SET_AL( context
, '$' ); /* yes, '$' (0x24) gets returned in AL */
4284 case 0x0a: /* BUFFERED INPUT */
4286 BYTE
*ptr
= CTX_SEG_OFF_TO_LIN(context
,
4291 TRACE( "BUFFERED INPUT (size=%d)\n", ptr
[0] );
4294 * FIXME: Some documents state that
4295 * ptr[1] holds number of chars from last input which
4296 * may be recalled on entry, other documents do not mention
4300 TRACE( "Handle old chars in buffer!\n" );
4303 * ptr[0] - capacity (includes terminating CR)
4304 * ptr[1] - characters read (excludes terminating CR)
4306 result
= INT21_BufferedInput( context
, ptr
+ 2, ptr
[0] );
4308 ptr
[1] = (BYTE
)result
- 1;
4314 case 0x0b: /* GET STDIN STATUS */
4315 TRACE( "GET STDIN STATUS\n" );
4317 if (INT21_ReadChar( NULL
, NULL
))
4318 SET_AL( context
, 0xff ); /* character available */
4320 SET_AL( context
, 0 ); /* no character available */
4324 case 0x0c: /* FLUSH BUFFER AND READ STANDARD INPUT */
4326 BYTE al
= AL_reg(context
); /* Input function to execute after flush. */
4328 TRACE( "FLUSH BUFFER AND READ STANDARD INPUT - 0x%02x\n", al
);
4330 /* FIXME: buffers are not flushed */
4333 * If AL is one of 0x01, 0x06, 0x07, 0x08, or 0x0a,
4334 * int21 function identified by AL will be called.
4336 if(al
== 0x01 || al
== 0x06 || al
== 0x07 || al
== 0x08 || al
== 0x0a)
4338 SET_AH( context
, al
);
4339 DOSVM_Int21Handler( context
);
4344 case 0x0d: /* DISK BUFFER FLUSH */
4345 TRACE("DISK BUFFER FLUSH ignored\n");
4348 case 0x0e: /* SELECT DEFAULT DRIVE */
4349 TRACE( "SELECT DEFAULT DRIVE - %c:\n", 'A' + DL_reg(context
) );
4350 INT21_SetCurrentDrive( DL_reg(context
) );
4351 SET_AL( context
, MAX_DOS_DRIVES
);
4354 case 0x0f: /* OPEN FILE USING FCB */
4355 INT21_OpenFileUsingFCB( context
);
4358 case 0x10: /* CLOSE FILE USING FCB */
4359 INT21_CloseFileUsingFCB( context
);
4362 case 0x11: /* FIND FIRST MATCHING FILE USING FCB */
4363 TRACE("FIND FIRST MATCHING FILE USING FCB %p\n",
4364 CTX_SEG_OFF_TO_LIN(context
, context
->SegDs
, context
->Edx
));
4365 if (!INT21_FindFirstFCB(context
))
4367 SET_AL( context
, 0xff );
4370 /* else fall through */
4372 case 0x12: /* FIND NEXT MATCHING FILE USING FCB */
4373 SET_AL( context
, INT21_FindNextFCB(context
) ? 0x00 : 0xff );
4376 case 0x13: /* DELETE FILE USING FCB */
4377 INT_BARF( context
, 0x21 );
4380 case 0x14: /* SEQUENTIAL READ FROM FCB FILE */
4381 INT21_SequentialReadFromFCB( context
);
4384 case 0x15: /* SEQUENTIAL WRITE TO FCB FILE */
4385 INT21_SequentialWriteToFCB( context
);
4388 case 0x16: /* CREATE OR TRUNCATE FILE USING FCB */
4389 case 0x17: /* RENAME FILE USING FCB */
4390 INT_BARF( context
, 0x21 );
4393 case 0x18: /* NULL FUNCTION FOR CP/M COMPATIBILITY */
4394 SET_AL( context
, 0 );
4397 case 0x19: /* GET CURRENT DEFAULT DRIVE */
4398 SET_AL( context
, INT21_GetCurrentDrive() );
4399 TRACE( "GET CURRENT DRIVE -> %c:\n", 'A' + AL_reg( context
) );
4402 case 0x1a: /* SET DISK TRANSFER AREA ADDRESS */
4403 TRACE( "SET DISK TRANSFER AREA ADDRESS %04X:%04X\n",
4404 context
->SegDs
, DX_reg(context
) );
4406 TDB
*task
= GlobalLock16( GetCurrentTask() );
4407 task
->dta
= MAKESEGPTR( context
->SegDs
, DX_reg(context
) );
4411 case 0x1b: /* GET ALLOCATION INFORMATION FOR DEFAULT DRIVE */
4412 if (!INT21_GetDriveAllocInfo(context
, 0))
4413 SET_AX( context
, 0xffff );
4416 case 0x1c: /* GET ALLOCATION INFORMATION FOR SPECIFIC DRIVE */
4417 if (!INT21_GetDriveAllocInfo(context
, DL_reg(context
)))
4418 SET_AX( context
, 0xffff );
4421 case 0x1d: /* NULL FUNCTION FOR CP/M COMPATIBILITY */
4422 case 0x1e: /* NULL FUNCTION FOR CP/M COMPATIBILITY */
4423 SET_AL( context
, 0 );
4426 case 0x1f: /* GET DRIVE PARAMETER BLOCK FOR DEFAULT DRIVE */
4428 BYTE drive
= INT21_MapDrive( 0 );
4429 TRACE( "GET DPB FOR DEFAULT DRIVE\n" );
4431 if (INT21_FillDrivePB( drive
))
4433 SET_AL( context
, 0x00 ); /* success */
4434 SET_BX( context
, offsetof( INT21_HEAP
, misc_dpb_list
[drive
] ) );
4435 context
->SegDs
= INT21_GetHeapSelector( context
);
4439 SET_AL( context
, 0xff ); /* invalid or network drive */
4444 case 0x20: /* NULL FUNCTION FOR CP/M COMPATIBILITY */
4445 SET_AL( context
, 0 );
4448 case 0x21: /* READ RANDOM RECORD FROM FCB FILE */
4449 INT21_ReadRandomRecordFromFCB( context
);
4452 case 0x22: /* WRITE RANDOM RECORD TO FCB FILE */
4453 INT21_WriteRandomRecordToFCB( context
);
4456 case 0x23: /* GET FILE SIZE FOR FCB */
4457 case 0x24: /* SET RANDOM RECORD NUMBER FOR FCB */
4458 INT_BARF( context
, 0x21 );
4461 case 0x25: /* SET INTERRUPT VECTOR */
4462 TRACE("SET INTERRUPT VECTOR 0x%02x\n",AL_reg(context
));
4464 FARPROC16 ptr
= (FARPROC16
)MAKESEGPTR( context
->SegDs
, DX_reg(context
) );
4465 if (!ISV86(context
) && DOSVM_IsWin16())
4466 DOSVM_SetPMHandler16( AL_reg(context
), ptr
);
4468 DOSVM_SetRMHandler( AL_reg(context
), ptr
);
4472 case 0x26: /* CREATE NEW PROGRAM SEGMENT PREFIX */
4473 INT_BARF( context
, 0x21 );
4476 case 0x27: /* RANDOM BLOCK READ FROM FCB FILE */
4477 INT21_RandomBlockReadFromFCB( context
);
4480 case 0x28: /* RANDOM BLOCK WRITE TO FCB FILE */
4481 INT21_RandomBlockWriteToFCB( context
);
4484 case 0x29: /* PARSE FILENAME INTO FCB */
4485 INT21_ParseFileNameIntoFCB(context
);
4488 case 0x2a: /* GET SYSTEM DATE */
4489 TRACE( "GET SYSTEM DATE\n" );
4492 GetLocalTime( &systime
);
4493 SET_CX( context
, systime
.wYear
);
4494 SET_DH( context
, systime
.wMonth
);
4495 SET_DL( context
, systime
.wDay
);
4496 SET_AL( context
, systime
.wDayOfWeek
);
4500 case 0x2b: /* SET SYSTEM DATE */
4501 TRACE( "SET SYSTEM DATE\n" );
4503 WORD year
= CX_reg(context
);
4504 BYTE month
= DH_reg(context
);
4505 BYTE day
= DL_reg(context
);
4507 if (year
>= 1980 && year
<= 2099 &&
4508 month
>= 1 && month
<= 12 &&
4509 day
>= 1 && day
<= 31)
4511 FIXME( "SetSystemDate(%02d/%02d/%04d): not allowed\n",
4513 SET_AL( context
, 0 ); /* Let's pretend we succeeded */
4517 SET_AL( context
, 0xff ); /* invalid date */
4518 TRACE( "SetSystemDate(%02d/%02d/%04d): invalid date\n",
4524 case 0x2c: /* GET SYSTEM TIME */
4525 TRACE( "GET SYSTEM TIME\n" );
4528 GetLocalTime( &systime
);
4529 SET_CH( context
, systime
.wHour
);
4530 SET_CL( context
, systime
.wMinute
);
4531 SET_DH( context
, systime
.wSecond
);
4532 SET_DL( context
, systime
.wMilliseconds
/ 10 );
4536 case 0x2d: /* SET SYSTEM TIME */
4537 if( CH_reg(context
) >= 24 || CL_reg(context
) >= 60 || DH_reg(context
) >= 60 || DL_reg(context
) >= 100 ) {
4538 TRACE("SetSystemTime(%02d:%02d:%02d.%02d): wrong time\n",
4539 CH_reg(context
), CL_reg(context
),
4540 DH_reg(context
), DL_reg(context
) );
4541 SET_AL( context
, 0xFF );
4545 FIXME("SetSystemTime(%02d:%02d:%02d.%02d): not allowed\n",
4546 CH_reg(context
), CL_reg(context
),
4547 DH_reg(context
), DL_reg(context
) );
4548 SET_AL( context
, 0 ); /* Let's pretend we succeeded */
4552 case 0x2e: /* SET VERIFY FLAG */
4553 TRACE("SET VERIFY FLAG ignored\n");
4554 /* we cannot change the behaviour anyway, so just ignore it */
4557 case 0x2f: /* GET DISK TRANSFER AREA ADDRESS */
4558 TRACE( "GET DISK TRANSFER AREA ADDRESS\n" );
4560 TDB
*task
= GlobalLock16( GetCurrentTask() );
4561 context
->SegEs
= SELECTOROF( task
->dta
);
4562 SET_BX( context
, OFFSETOF( task
->dta
) );
4566 case 0x30: /* GET DOS VERSION */
4567 TRACE( "GET DOS VERSION - %s requested\n",
4568 (AL_reg(context
) == 0x00) ? "OEM number" : "version flag" );
4570 if (AL_reg(context
) == 0x00)
4571 SET_BH( context
, 0xff ); /* OEM number => undefined */
4573 SET_BH( context
, 0x08 ); /* version flag => DOS is in ROM */
4575 SET_AL( context
, HIBYTE(HIWORD(GetVersion16())) ); /* major version */
4576 SET_AH( context
, LOBYTE(HIWORD(GetVersion16())) ); /* minor version */
4578 SET_BL( context
, 0x12 ); /* 0x123456 is 24-bit Wine's serial # */
4579 SET_CX( context
, 0x3456 );
4582 case 0x31: /* TERMINATE AND STAY RESIDENT */
4583 FIXME("TERMINATE AND STAY RESIDENT stub\n");
4586 case 0x32: /* GET DOS DRIVE PARAMETER BLOCK FOR SPECIFIC DRIVE */
4588 BYTE drive
= INT21_MapDrive( DL_reg(context
) );
4589 TRACE( "GET DPB FOR SPECIFIC DRIVE %d\n", DL_reg(context
) );
4591 if (INT21_FillDrivePB( drive
))
4593 SET_AL( context
, 0x00 ); /* success */
4594 SET_DX( context
, offsetof( INT21_HEAP
, misc_dpb_list
[drive
] ) );
4595 context
->SegDs
= INT21_GetHeapSelector( context
);
4599 SET_AL( context
, 0xff ); /* invalid or network drive */
4604 case 0x33: /* MULTIPLEXED */
4605 switch (AL_reg(context
))
4607 case 0x00: /* GET CURRENT EXTENDED BREAK STATE */
4608 TRACE("GET CURRENT EXTENDED BREAK STATE\n");
4609 SET_DL( context
, DOSCONF_GetConfig()->brk_flag
);
4612 case 0x01: /* SET EXTENDED BREAK STATE */
4613 TRACE("SET CURRENT EXTENDED BREAK STATE\n");
4614 DOSCONF_GetConfig()->brk_flag
= (DL_reg(context
) > 0) ? 1 : 0;
4617 case 0x02: /* GET AND SET EXTENDED CONTROL-BREAK CHECKING STATE*/
4618 TRACE("GET AND SET EXTENDED CONTROL-BREAK CHECKING STATE\n");
4619 /* ugly coding in order to stay reentrant */
4620 if (DL_reg(context
))
4622 SET_DL( context
, DOSCONF_GetConfig()->brk_flag
);
4623 DOSCONF_GetConfig()->brk_flag
= 1;
4627 SET_DL( context
, DOSCONF_GetConfig()->brk_flag
);
4628 DOSCONF_GetConfig()->brk_flag
= 0;
4632 case 0x05: /* GET BOOT DRIVE */
4633 TRACE("GET BOOT DRIVE\n");
4634 SET_DL( context
, 3 );
4635 /* c: is Wine's bootdrive (a: is 1)*/
4638 case 0x06: /* GET TRUE VERSION NUMBER */
4639 TRACE("GET TRUE VERSION NUMBER\n");
4640 SET_BL( context
, HIBYTE(HIWORD(GetVersion16())) ); /* major */
4641 SET_BH( context
, LOBYTE(HIWORD(GetVersion16())) ); /* minor */
4642 SET_DL( context
, 0x00 ); /* revision */
4643 SET_DH( context
, 0x08 ); /* DOS is in ROM */
4647 INT_BARF( context
, 0x21 );
4652 case 0x34: /* GET ADDRESS OF INDOS FLAG */
4653 TRACE( "GET ADDRESS OF INDOS FLAG\n" );
4654 context
->SegEs
= INT21_GetHeapSelector( context
);
4655 SET_BX( context
, offsetof(INT21_HEAP
, misc_indos
) );
4658 case 0x35: /* GET INTERRUPT VECTOR */
4659 TRACE("GET INTERRUPT VECTOR 0x%02x\n",AL_reg(context
));
4662 if (!ISV86(context
) && DOSVM_IsWin16())
4663 addr
= DOSVM_GetPMHandler16( AL_reg(context
) );
4665 addr
= DOSVM_GetRMHandler( AL_reg(context
) );
4666 context
->SegEs
= SELECTOROF(addr
);
4667 SET_BX( context
, OFFSETOF(addr
) );
4671 case 0x36: /* GET FREE DISK SPACE */
4672 TRACE("GET FREE DISK SPACE FOR DRIVE %s (limited to about 1GB)\n",
4673 INT21_DriveName( DL_reg(context
) ));
4674 if (!INT21_GetFreeDiskSpace(context
)) SET_AX( context
, 0xffff );
4677 case 0x37: /* SWITCHAR */
4679 switch (AL_reg(context
))
4681 case 0x00: /* "SWITCHAR" - GET SWITCH CHARACTER */
4682 TRACE( "SWITCHAR - GET SWITCH CHARACTER\n" );
4683 SET_AL( context
, 0x00 ); /* success*/
4684 SET_DL( context
, '/' );
4686 case 0x01: /*"SWITCHAR" - SET SWITCH CHARACTER*/
4687 FIXME( "SWITCHAR - SET SWITCH CHARACTER: %c\n",
4689 SET_AL( context
, 0x00 ); /* success*/
4692 INT_BARF( context
, 0x21 );
4698 case 0x38: /* GET COUNTRY-SPECIFIC INFORMATION */
4699 TRACE( "GET COUNTRY-SPECIFIC INFORMATION\n" );
4700 if (AL_reg(context
))
4702 WORD country
= AL_reg(context
);
4703 if (country
== 0xff)
4704 country
= BX_reg(context
);
4705 if (country
!= INT21_GetSystemCountryCode()) {
4706 FIXME( "Requested info on non-default country %04x\n", country
);
4711 if(AX_reg(context
) != 2 )
4713 INT21_FillCountryInformation( CTX_SEG_OFF_TO_LIN(context
,
4716 SET_AX( context
, INT21_GetSystemCountryCode() );
4717 SET_BX( context
, INT21_GetSystemCountryCode() );
4718 RESET_CFLAG(context
);
4722 case 0x39: /* "MKDIR" - CREATE SUBDIRECTORY */
4723 if (!INT21_CreateDirectory( context
))
4724 bSetDOSExtendedError
= TRUE
;
4726 RESET_CFLAG(context
);
4729 case 0x3a: /* "RMDIR" - REMOVE DIRECTORY */
4731 WCHAR dirW
[MAX_PATH
];
4732 char *dirA
= CTX_SEG_OFF_TO_LIN(context
,
4733 context
->SegDs
, context
->Edx
);
4735 TRACE( "REMOVE DIRECTORY %s\n", dirA
);
4737 MultiByteToWideChar(CP_OEMCP
, 0, dirA
, -1, dirW
, MAX_PATH
);
4739 if (!RemoveDirectoryW( dirW
))
4740 bSetDOSExtendedError
= TRUE
;
4742 RESET_CFLAG(context
);
4746 case 0x3b: /* "CHDIR" - SET CURRENT DIRECTORY */
4747 if (!INT21_SetCurrentDirectory( context
))
4748 bSetDOSExtendedError
= TRUE
;
4750 RESET_CFLAG(context
);
4753 case 0x3c: /* "CREAT" - CREATE OR TRUNCATE FILE */
4754 if (!INT21_CreateFile( context
, context
->Edx
, FALSE
,
4755 OF_READWRITE
| OF_SHARE_COMPAT
, 0x12 ))
4756 bSetDOSExtendedError
= TRUE
;
4758 RESET_CFLAG(context
);
4761 case 0x3d: /* "OPEN" - OPEN EXISTING FILE */
4762 if (!INT21_CreateFile( context
, context
->Edx
, FALSE
,
4763 AL_reg(context
), 0x01 ))
4764 bSetDOSExtendedError
= TRUE
;
4766 RESET_CFLAG(context
);
4769 case 0x3e: /* "CLOSE" - CLOSE FILE */
4770 TRACE( "CLOSE handle %d\n", BX_reg(context
) );
4771 if (_lclose16( BX_reg(context
) ) == HFILE_ERROR16
)
4772 bSetDOSExtendedError
= TRUE
;
4774 RESET_CFLAG(context
);
4777 case 0x3f: /* "READ" - READ FROM FILE OR DEVICE */
4778 TRACE( "READ from %d to %04X:%04X for %d bytes\n",
4785 WORD count
= CX_reg(context
);
4786 BYTE
*buffer
= CTX_SEG_OFF_TO_LIN( context
,
4790 /* Some programs pass a count larger than the allocated buffer */
4791 if (DOSVM_IsWin16())
4793 DWORD maxcount
= GetSelectorLimit16( context
->SegDs
)
4794 - DX_reg(context
) + 1;
4795 if (count
> maxcount
)
4800 * FIXME: Reading from console (BX=1) in DOS mode
4801 * does not work as it is supposed to work.
4804 RESET_CFLAG(context
); /* set if error */
4805 if (!DOSVM_IsWin16() && BX_reg(context
) == 0)
4807 result
= INT21_BufferedInput( context
, buffer
, count
);
4808 SET_AX( context
, (WORD
)result
);
4810 else if (ReadFile( DosFileHandleToWin32Handle(BX_reg(context
)),
4811 buffer
, count
, &result
, NULL
))
4812 SET_AX( context
, (WORD
)result
);
4814 bSetDOSExtendedError
= TRUE
;
4818 case 0x40: /* "WRITE" - WRITE TO FILE OR DEVICE */
4819 TRACE( "WRITE from %04X:%04X to handle %d for %d byte\n",
4820 context
->SegDs
, DX_reg(context
),
4821 BX_reg(context
), CX_reg(context
) );
4823 char *ptr
= CTX_SEG_OFF_TO_LIN(context
, context
->SegDs
, context
->Edx
);
4825 if (!DOSVM_IsWin16() &&
4826 (BX_reg(context
) == 1 || BX_reg(context
) == 2))
4829 for(i
=0; i
<CX_reg(context
); i
++)
4830 DOSVM_PutChar(ptr
[i
]);
4831 SET_AX(context
, CX_reg(context
));
4832 RESET_CFLAG(context
);
4836 HFILE handle
= (HFILE
)DosFileHandleToWin32Handle(BX_reg(context
));
4837 LONG result
= _hwrite( handle
, ptr
, CX_reg(context
) );
4838 if (result
== HFILE_ERROR
)
4839 bSetDOSExtendedError
= TRUE
;
4842 SET_AX( context
, (WORD
)result
);
4843 RESET_CFLAG(context
);
4849 case 0x41: /* "UNLINK" - DELETE FILE */
4851 WCHAR fileW
[MAX_PATH
];
4852 char *fileA
= CTX_SEG_OFF_TO_LIN(context
,
4856 TRACE( "UNLINK %s\n", fileA
);
4857 MultiByteToWideChar(CP_OEMCP
, 0, fileA
, -1, fileW
, MAX_PATH
);
4859 if (!DeleteFileW( fileW
))
4860 bSetDOSExtendedError
= TRUE
;
4862 RESET_CFLAG(context
);
4866 case 0x42: /* "LSEEK" - SET CURRENT FILE POSITION */
4867 TRACE( "LSEEK handle %d offset %d from %s\n",
4869 MAKELONG( DX_reg(context
), CX_reg(context
) ),
4870 (AL_reg(context
) == 0) ?
4871 "start of file" : ((AL_reg(context
) == 1) ?
4872 "current file position" : "end of file") );
4874 HANDLE handle
= DosFileHandleToWin32Handle(BX_reg(context
));
4875 LONG offset
= MAKELONG( DX_reg(context
), CX_reg(context
) );
4876 DWORD status
= SetFilePointer( handle
, offset
,
4877 NULL
, AL_reg(context
) );
4878 if (status
== INVALID_SET_FILE_POINTER
)
4879 bSetDOSExtendedError
= TRUE
;
4882 SET_AX( context
, LOWORD(status
) );
4883 SET_DX( context
, HIWORD(status
) );
4884 RESET_CFLAG(context
);
4889 case 0x43: /* FILE ATTRIBUTES */
4890 if (!INT21_FileAttributes( context
, AL_reg(context
), FALSE
))
4891 bSetDOSExtendedError
= TRUE
;
4893 RESET_CFLAG(context
);
4896 case 0x44: /* IOCTL */
4897 INT21_Ioctl( context
);
4900 case 0x45: /* "DUP" - DUPLICATE FILE HANDLE */
4901 TRACE( "DUPLICATE FILE HANDLE %d\n", BX_reg(context
) );
4904 HFILE handle16
= HFILE_ERROR
;
4906 if (DuplicateHandle( GetCurrentProcess(),
4907 DosFileHandleToWin32Handle(BX_reg(context
)),
4908 GetCurrentProcess(),
4910 0, TRUE
, DUPLICATE_SAME_ACCESS
))
4911 handle16
= Win32HandleToDosFileHandle(handle32
);
4913 if (handle16
== HFILE_ERROR
)
4914 bSetDOSExtendedError
= TRUE
;
4917 SET_AX( context
, handle16
);
4918 RESET_CFLAG(context
);
4923 case 0x46: /* "DUP2", "FORCEDUP" - FORCE DUPLICATE FILE HANDLE */
4924 TRACE( "FORCEDUP - FORCE DUPLICATE FILE HANDLE %d to %d\n",
4925 BX_reg(context
), CX_reg(context
) );
4926 if (!INT21_Dup2(BX_reg(context
), CX_reg(context
)))
4927 bSetDOSExtendedError
= TRUE
;
4929 RESET_CFLAG(context
);
4932 case 0x47: /* "CWD" - GET CURRENT DIRECTORY */
4933 if (!INT21_GetCurrentDirectory( context
, FALSE
))
4934 bSetDOSExtendedError
= TRUE
;
4936 RESET_CFLAG(context
);
4939 case 0x48: /* ALLOCATE MEMORY */
4940 TRACE( "ALLOCATE MEMORY for %d paragraphs\n", BX_reg(context
) );
4943 DWORD bytes
= (DWORD
)BX_reg(context
) << 4;
4945 if (!ISV86(context
) && DOSVM_IsWin16())
4947 DWORD rv
= GlobalDOSAlloc16( bytes
);
4948 selector
= LOWORD( rv
);
4951 DOSMEM_AllocBlock( bytes
, &selector
);
4955 SET_AX( context
, selector
);
4956 RESET_CFLAG(context
);
4961 SET_AX( context
, 0x0008 ); /* insufficient memory */
4962 SET_BX( context
, DOSMEM_Available() >> 4 );
4967 case 0x49: /* FREE MEMORY */
4968 TRACE( "FREE MEMORY segment %04X\n", context
->SegEs
);
4972 if (!ISV86(context
) && DOSVM_IsWin16())
4974 ok
= !GlobalDOSFree16( context
->SegEs
);
4976 /* If we don't reset ES_reg, we will fail in the relay code */
4981 ok
= DOSMEM_FreeBlock( PTR_REAL_TO_LIN(context
->SegEs
, 0) );
4985 TRACE("FREE MEMORY failed\n");
4987 SET_AX( context
, 0x0009 ); /* memory block address invalid */
4992 case 0x4a: /* RESIZE MEMORY BLOCK */
4993 TRACE( "RESIZE MEMORY segment %04X to %d paragraphs\n",
4994 context
->SegEs
, BX_reg(context
) );
4996 DWORD newsize
= (DWORD
)BX_reg(context
) << 4;
4998 if (!ISV86(context
) && DOSVM_IsWin16())
5000 FIXME( "Resize memory block - unsupported under Win16\n" );
5005 LPVOID address
= (void*)((DWORD
)context
->SegEs
<< 4);
5006 UINT blocksize
= DOSMEM_ResizeBlock( address
, newsize
, FALSE
);
5008 RESET_CFLAG(context
);
5009 if (blocksize
== (UINT
)-1)
5011 SET_CFLAG( context
);
5012 SET_AX( context
, 0x0009 ); /* illegal address */
5014 else if(blocksize
!= newsize
)
5016 SET_CFLAG( context
);
5017 SET_AX( context
, 0x0008 ); /* insufficient memory */
5018 SET_BX( context
, blocksize
>> 4 ); /* new block size */
5024 case 0x4b: /* "EXEC" - LOAD AND/OR EXECUTE PROGRAM */
5026 char *program
= CTX_SEG_OFF_TO_LIN(context
, context
->SegDs
, context
->Edx
);
5027 BYTE
*paramblk
= CTX_SEG_OFF_TO_LIN(context
, context
->SegEs
, context
->Ebx
);
5029 TRACE( "EXEC %s\n", program
);
5031 RESET_CFLAG(context
);
5032 if (DOSVM_IsWin16())
5034 HINSTANCE16 instance
= WinExec16( program
, SW_NORMAL
);
5037 SET_CFLAG( context
);
5038 SET_AX( context
, instance
);
5043 if (!MZ_Exec( context
, program
, AL_reg(context
), paramblk
))
5044 bSetDOSExtendedError
= TRUE
;
5049 case 0x4c: /* "EXIT" - TERMINATE WITH RETURN CODE */
5050 TRACE( "EXIT with return code %d\n", AL_reg(context
) );
5051 if (DOSVM_IsWin16())
5052 ExitThread( AL_reg(context
) );
5053 else if(ISV86(context
))
5054 MZ_Exit( context
, FALSE
, AL_reg(context
) );
5060 ULONG_PTR rv
= AL_reg(context
);
5061 RaiseException( EXCEPTION_VM86_INTx
, 0, 1, &rv
);
5065 case 0x4d: /* GET RETURN CODE */
5066 TRACE("GET RETURN CODE (ERRORLEVEL)\n");
5067 SET_AX( context
, DOSVM_retval
);
5071 case 0x4e: /* "FINDFIRST" - FIND FIRST MATCHING FILE */
5072 TRACE("FINDFIRST mask 0x%04x spec %s\n",CX_reg(context
),
5073 (LPCSTR
)CTX_SEG_OFF_TO_LIN(context
, context
->SegDs
, context
->Edx
));
5074 if (!INT21_FindFirst(context
)) break;
5077 case 0x4f: /* "FINDNEXT" - FIND NEXT MATCHING FILE */
5078 TRACE("FINDNEXT\n");
5079 if (!INT21_FindNext(context
))
5081 SetLastError( ERROR_NO_MORE_FILES
);
5082 SET_AX( context
, ERROR_NO_MORE_FILES
);
5085 else SET_AX( context
, 0 ); /* OK */
5088 case 0x50: /* SET CURRENT PROCESS ID (SET PSP ADDRESS) */
5089 TRACE("SET CURRENT PROCESS ID (SET PSP ADDRESS)\n");
5090 DOSVM_psp
= BX_reg(context
);
5093 case 0x51: /* GET PSP ADDRESS */
5094 INT21_GetPSP( context
);
5097 case 0x52: /* "SYSVARS" - GET LIST OF LISTS */
5099 SEGPTR ptr
= DOSDEV_GetLOL( ISV86(context
) || !DOSVM_IsWin16() );
5100 context
->SegEs
= SELECTOROF(ptr
);
5101 SET_BX( context
, OFFSETOF(ptr
) );
5105 case 0x54: /* Get Verify Flag */
5106 TRACE("Get Verify Flag - Not Supported\n");
5107 SET_AL( context
, 0x00 ); /* pretend we can tell. 00h = off 01h = on */
5110 case 0x56: /* "RENAME" - RENAME FILE */
5111 if (!INT21_RenameFile( context
))
5112 bSetDOSExtendedError
= TRUE
;
5114 RESET_CFLAG(context
);
5117 case 0x57: /* FILE DATE AND TIME */
5118 if (!INT21_FileDateTime( context
))
5119 bSetDOSExtendedError
= TRUE
;
5121 RESET_CFLAG(context
);
5124 case 0x58: /* GET OR SET MEMORY ALLOCATION STRATEGY */
5125 switch (AL_reg(context
))
5127 case 0x00: /* GET MEMORY ALLOCATION STRATEGY */
5128 TRACE( "GET MEMORY ALLOCATION STRATEGY\n" );
5129 SET_AX( context
, 0 ); /* low memory first fit */
5132 case 0x01: /* SET ALLOCATION STRATEGY */
5133 TRACE( "SET MEMORY ALLOCATION STRATEGY to %d - ignored\n",
5137 case 0x02: /* GET UMB LINK STATE */
5138 TRACE( "GET UMB LINK STATE\n" );
5139 SET_AL( context
, 0 ); /* UMBs not part of DOS memory chain */
5142 case 0x03: /* SET UMB LINK STATE */
5143 TRACE( "SET UMB LINK STATE to %d - ignored\n",
5148 INT_BARF( context
, 0x21 );
5152 case 0x59: /* GET EXTENDED ERROR INFO */
5153 INT21_GetExtendedError( context
);
5156 case 0x5a: /* CREATE TEMPORARY FILE */
5157 TRACE("CREATE TEMPORARY FILE\n");
5158 bSetDOSExtendedError
= !INT21_CreateTempFile(context
);
5161 case 0x5b: /* CREATE NEW FILE */
5162 if (!INT21_CreateFile( context
, context
->Edx
, FALSE
,
5163 OF_READWRITE
| OF_SHARE_COMPAT
, 0x10 ))
5164 bSetDOSExtendedError
= TRUE
;
5166 RESET_CFLAG(context
);
5169 case 0x5c: /* "FLOCK" - RECORD LOCKING */
5171 DWORD offset
= MAKELONG(DX_reg(context
), CX_reg(context
));
5172 DWORD length
= MAKELONG(DI_reg(context
), SI_reg(context
));
5173 HANDLE handle
= DosFileHandleToWin32Handle(BX_reg(context
));
5175 RESET_CFLAG(context
);
5176 switch (AL_reg(context
))
5178 case 0x00: /* LOCK */
5179 TRACE( "lock handle %d offset %d length %d\n",
5180 BX_reg(context
), offset
, length
);
5181 if (!LockFile( handle
, offset
, 0, length
, 0 ))
5182 bSetDOSExtendedError
= TRUE
;
5185 case 0x01: /* UNLOCK */
5186 TRACE( "unlock handle %d offset %d length %d\n",
5187 BX_reg(context
), offset
, length
);
5188 if (!UnlockFile( handle
, offset
, 0, length
, 0 ))
5189 bSetDOSExtendedError
= TRUE
;
5193 INT_BARF( context
, 0x21 );
5198 case 0x5d: /* NETWORK 5D */
5199 FIXME( "Network function 5D not implemented.\n" );
5200 SetLastError( ER_NoNetwork
);
5201 bSetDOSExtendedError
= TRUE
;
5204 case 0x5e: /* NETWORK 5E */
5205 bSetDOSExtendedError
= INT21_NetworkFunc( context
);
5208 case 0x5f: /* NETWORK 5F */
5209 /* FIXME: supporting this would need to 1:
5210 * - implement per drive current directory (as kernel32 doesn't)
5211 * - assign enabled/disabled flag on a per drive basis
5213 /* network software not installed */
5214 TRACE("NETWORK function AX=%04x not implemented\n",AX_reg(context
));
5215 SetLastError( ER_NoNetwork
);
5216 bSetDOSExtendedError
= TRUE
;
5219 case 0x60: /* "TRUENAME" - CANONICALIZE FILENAME OR PATH */
5221 WCHAR pathW
[MAX_PATH
], res
[MAX_PATH
];
5222 /* FIXME: likely to be broken */
5224 TRACE("TRUENAME %s\n",
5225 (LPCSTR
)CTX_SEG_OFF_TO_LIN(context
, context
->SegDs
,context
->Esi
));
5226 MultiByteToWideChar(CP_OEMCP
, 0, CTX_SEG_OFF_TO_LIN(context
, context
->SegDs
, context
->Esi
), -1, pathW
, MAX_PATH
);
5227 if (!GetFullPathNameW( pathW
, 128, res
, NULL
))
5228 bSetDOSExtendedError
= TRUE
;
5231 SET_AX( context
, 0 );
5232 WideCharToMultiByte(CP_OEMCP
, 0, res
, -1,
5233 CTX_SEG_OFF_TO_LIN(context
, context
->SegEs
, context
->Edi
),
5239 case 0x61: /* UNUSED */
5240 SET_AL( context
, 0 );
5243 case 0x62: /* GET PSP ADDRESS */
5244 INT21_GetPSP( context
);
5247 case 0x63: /* MISC. LANGUAGE SUPPORT */
5248 switch (AL_reg(context
)) {
5249 case 0x00: /* GET DOUBLE BYTE CHARACTER SET LEAD-BYTE TABLE */
5250 TRACE( "GET DOUBLE BYTE CHARACTER SET LEAD-BYTE TABLE\n" );
5251 context
->SegDs
= INT21_GetHeapSelector( context
);
5252 SET_SI( context
, offsetof(INT21_HEAP
, dbcs_table
) );
5253 SET_AL( context
, 0 ); /* success */
5258 case 0x64: /* OS/2 DOS BOX */
5259 INT_BARF( context
, 0x21 );
5263 case 0x65: /* EXTENDED COUNTRY INFORMATION */
5264 INT21_ExtendedCountryInformation( context
);
5267 case 0x66: /* GLOBAL CODE PAGE TABLE */
5268 switch (AL_reg(context
))
5271 TRACE( "GET GLOBAL CODE PAGE TABLE\n" );
5272 SET_BX( context
, GetOEMCP() );
5273 SET_DX( context
, GetOEMCP() );
5276 FIXME( "SET GLOBAL CODE PAGE TABLE, active %d, system %d - ignored\n",
5277 BX_reg(context
), DX_reg(context
) );
5282 case 0x67: /* SET HANDLE COUNT */
5283 TRACE( "SET HANDLE COUNT to %d\n", BX_reg(context
) );
5284 if (SetHandleCount( BX_reg(context
) ) < BX_reg(context
) )
5285 bSetDOSExtendedError
= TRUE
;
5288 case 0x68: /* "FFLUSH" - COMMIT FILE */
5289 TRACE( "FFLUSH - handle %d\n", BX_reg(context
) );
5290 if (!FlushFileBuffers( DosFileHandleToWin32Handle(BX_reg(context
)) ))
5291 bSetDOSExtendedError
= TRUE
;
5294 case 0x69: /* DISK SERIAL NUMBER */
5295 switch (AL_reg(context
))
5298 TRACE("GET DISK SERIAL NUMBER for drive %s\n",
5299 INT21_DriveName(BL_reg(context
)));
5300 if (!INT21_GetDiskSerialNumber(context
)) bSetDOSExtendedError
= TRUE
;
5301 else SET_AX( context
, 0 );
5305 TRACE("SET DISK SERIAL NUMBER for drive %s\n",
5306 INT21_DriveName(BL_reg(context
)));
5307 if (!INT21_SetDiskSerialNumber(context
)) bSetDOSExtendedError
= TRUE
;
5308 else SET_AX( context
, 1 );
5313 case 0x6a: /* COMMIT FILE */
5314 TRACE( "COMMIT FILE - handle %d\n", BX_reg(context
) );
5315 if (!FlushFileBuffers( DosFileHandleToWin32Handle(BX_reg(context
)) ))
5316 bSetDOSExtendedError
= TRUE
;
5319 case 0x6b: /* NULL FUNCTION FOR CP/M COMPATIBILITY */
5320 SET_AL( context
, 0 );
5323 case 0x6c: /* EXTENDED OPEN/CREATE */
5324 if (!INT21_CreateFile( context
, context
->Esi
, TRUE
,
5325 BX_reg(context
), DL_reg(context
) ))
5326 bSetDOSExtendedError
= TRUE
;
5329 case 0x70: /* MSDOS 7 - GET/SET INTERNATIONALIZATION INFORMATION */
5330 FIXME( "MS-DOS 7 - GET/SET INTERNATIONALIZATION INFORMATION\n" );
5331 SET_CFLAG( context
);
5332 SET_AL( context
, 0 );
5335 case 0x71: /* MSDOS 7 - LONG FILENAME FUNCTIONS */
5336 INT21_LongFilename( context
);
5339 case 0x73: /* MSDOS7 - FAT32 */
5340 RESET_CFLAG( context
);
5341 if (!INT21_Fat32( context
))
5342 bSetDOSExtendedError
= TRUE
;
5345 case 0xdc: /* CONNECTION SERVICES - GET CONNECTION NUMBER */
5346 TRACE( "CONNECTION SERVICES - GET CONNECTION NUMBER - ignored\n" );
5349 case 0xea: /* NOVELL NETWARE - RETURN SHELL VERSION */
5350 TRACE( "NOVELL NETWARE - RETURN SHELL VERSION - ignored\n" );
5353 case 0xff: /* DOS32 EXTENDER (DOS/4GW) - API */
5354 /* we don't implement a DOS32 extender */
5355 TRACE( "DOS32 EXTENDER API - ignored\n" );
5359 INT_BARF( context
, 0x21 );
5362 } /* END OF SWITCH */
5364 /* Set general error condition. */
5365 if (bSetDOSExtendedError
)
5367 SET_AX( context
, GetLastError() );
5368 SET_CFLAG( context
);
5371 /* Print error code if carry flag is set. */
5372 if (context
->EFlags
& 0x0001)
5373 TRACE("failed, error %d\n", GetLastError() );
5375 TRACE( "returning: AX=%04x BX=%04x CX=%04x DX=%04x "
5376 "SI=%04x DI=%04x DS=%04x ES=%04x EFL=%08x\n",
5377 AX_reg(context
), BX_reg(context
),
5378 CX_reg(context
), DX_reg(context
),
5379 SI_reg(context
), DI_reg(context
),
5380 (WORD
)context
->SegDs
, (WORD
)context
->SegEs
,