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 static const WCHAR prefixW
[] = {'\\','?','?','\\','u','n','i','x'};
849 const char *dir
= wine_get_server_dir();
853 OBJECT_ATTRIBUTES attr
;
854 UNICODE_STRING nameW
;
857 len
= MultiByteToWideChar( CP_UNIXCP
, 0, dir
, -1, NULL
, 0 );
858 nameW
.Length
= sizeof(prefixW
) + (len
+ strlenW( name
)) * sizeof(WCHAR
);
859 nameW
.MaximumLength
= nameW
.Length
+ sizeof(WCHAR
);
860 if (!(nameW
.Buffer
= HeapAlloc( GetProcessHeap(), 0, nameW
.MaximumLength
)))
862 SetLastError( ERROR_NOT_ENOUGH_MEMORY
);
865 memcpy( nameW
.Buffer
, prefixW
, sizeof(prefixW
) );
866 MultiByteToWideChar( CP_UNIXCP
, 0, dir
, -1, nameW
.Buffer
+ sizeof(prefixW
)/sizeof(WCHAR
), len
);
867 len
+= sizeof(prefixW
) / sizeof(WCHAR
);
868 nameW
.Buffer
[len
-1] = '/';
869 strcpyW( nameW
.Buffer
+ len
, name
);
871 attr
.Length
= sizeof(attr
);
872 attr
.RootDirectory
= 0;
874 attr
.ObjectName
= &nameW
;
875 attr
.SecurityDescriptor
= NULL
;
876 attr
.SecurityQualityOfService
= NULL
;
878 status
= NtCreateFile( &ret
, GENERIC_READ
|GENERIC_WRITE
, &attr
, &io
, NULL
, 0,
879 FILE_SHARE_READ
|FILE_SHARE_WRITE
, FILE_OPEN_IF
,
880 FILE_SYNCHRONOUS_IO_ALERT
, NULL
, 0 );
884 SetLastError( RtlNtStatusToDosError(status
) );
886 RtlFreeUnicodeString( &nameW
);
891 /***********************************************************************
892 * INT21_OpenMagicDevice
894 * Open a file handle for "magic" devices like EMMXXXX0.
896 static HANDLE
INT21_OpenMagicDevice( LPCWSTR name
, DWORD access
)
902 if (name
[0] && (name
[1] == ':')) name
+= 2;
903 if ((p
= strrchrW( name
, '/' ))) name
= p
+ 1;
904 if ((p
= strrchrW( name
, '\\' ))) name
= p
+ 1;
906 for (i
= 0; i
< NB_MAGIC_DEVICES
; i
++)
908 int len
= strlenW( magic_devices
[i
].name
);
909 if (!strncmpiW( magic_devices
[i
].name
, name
, len
) &&
910 (!name
[len
] || name
[len
] == '.' || name
[len
] == ':')) break;
912 if (i
== NB_MAGIC_DEVICES
) return 0;
914 if (!magic_devices
[i
].handle
) /* need to open it */
917 FILE_INTERNAL_INFORMATION info
;
919 if (!(handle
= INT21_CreateMagicDeviceHandle( magic_devices
[i
].name
))) return 0;
921 NtQueryInformationFile( handle
, &io
, &info
, sizeof(info
), FileInternalInformation
);
922 magic_devices
[i
].index
= info
.IndexNumber
;
923 magic_devices
[i
].handle
= handle
;
925 if (!DuplicateHandle( GetCurrentProcess(), magic_devices
[i
].handle
,
926 GetCurrentProcess(), &handle
, access
, FALSE
, 0 )) handle
= 0;
931 /***********************************************************************
939 * - subfunction 0x6c of function 0x71
941 static BOOL
INT21_CreateFile( CONTEXT86
*context
,
948 char *pathA
= CTX_SEG_OFF_TO_LIN(context
, context
->SegDs
, pathSegOff
);
949 WCHAR pathW
[MAX_PATH
];
956 TRACE( "CreateFile called: function=%02x, action=%02x, access/share=%04x, "
957 "create flags=%04x, file=%s.\n",
958 AH_reg(context
), dosAction
, dosAccessShare
, CX_reg(context
), pathA
);
961 * Application tried to create/open a file whose name
962 * ends with a backslash. This is not allowed.
964 * FIXME: This needs to be validated, especially the return value.
966 if (pathA
[strlen(pathA
) - 1] == '/')
968 SetLastError( ERROR_FILE_NOT_FOUND
);
973 * Convert DOS action flags into Win32 creation disposition parameter.
978 winMode
= OPEN_EXISTING
;
981 winMode
= TRUNCATE_EXISTING
;
984 winMode
= CREATE_NEW
;
987 winMode
= OPEN_ALWAYS
;
990 winMode
= CREATE_ALWAYS
;
993 SetLastError( ERROR_INVALID_PARAMETER
);
998 * Convert DOS access/share flags into Win32 desired access parameter.
1000 switch(dosAccessShare
& 0x07)
1003 winAccess
= GENERIC_READ
;
1006 winAccess
= GENERIC_WRITE
;
1009 winAccess
= GENERIC_READ
| GENERIC_WRITE
;
1013 * Read-only, do not modify file's last-access time (DOS7).
1015 * FIXME: How to prevent modification of last-access time?
1017 winAccess
= GENERIC_READ
;
1024 * Convert DOS access/share flags into Win32 share mode parameter.
1026 switch(dosAccessShare
& 0x70)
1028 case OF_SHARE_EXCLUSIVE
:
1031 case OF_SHARE_DENY_WRITE
:
1032 winSharing
= FILE_SHARE_READ
;
1034 case OF_SHARE_DENY_READ
:
1035 winSharing
= FILE_SHARE_WRITE
;
1037 case OF_SHARE_DENY_NONE
:
1038 case OF_SHARE_COMPAT
:
1040 winSharing
= FILE_SHARE_READ
| FILE_SHARE_WRITE
;
1044 * FIXME: Bit (dosAccessShare & 0x80) represents inheritance.
1045 * What to do with this bit?
1046 * FIXME: Bits in the high byte of dosAccessShare are not supported.
1047 * See both function 0x6c and subfunction 0x6c of function 0x71 for
1048 * definition of these bits.
1052 * Convert DOS create attributes into Win32 flags and attributes parameter.
1054 if (winMode
== OPEN_EXISTING
|| winMode
== TRUNCATE_EXISTING
)
1060 WORD dosAttributes
= CX_reg(context
);
1062 if (dosAttributes
& FA_LABEL
)
1065 * Application tried to create volume label entry.
1066 * This is difficult to support so we do not allow it.
1068 * FIXME: If volume does not already have a label,
1069 * this function is supposed to succeed.
1071 SetLastError( ERROR_ACCESS_DENIED
);
1075 winAttributes
= dosAttributes
&
1076 (FILE_ATTRIBUTE_READONLY
| FILE_ATTRIBUTE_HIDDEN
|
1077 FILE_ATTRIBUTE_SYSTEM
| FILE_ATTRIBUTE_ARCHIVE
);
1083 MultiByteToWideChar(CP_OEMCP
, 0, pathA
, -1, pathW
, MAX_PATH
);
1085 if ((winHandle
= INT21_OpenMagicDevice( pathW
, winAccess
)))
1091 winHandle
= CreateFileW( pathW
, winAccess
, winSharing
, NULL
,
1092 winMode
, winAttributes
, 0 );
1093 /* DOS allows to open files on a CDROM R/W */
1094 if( winHandle
== INVALID_HANDLE_VALUE
&&
1095 GetLastError()== ERROR_WRITE_PROTECT
) {
1096 winHandle
= CreateFileW( pathW
, winAccess
& ~GENERIC_WRITE
,
1097 winSharing
, NULL
, winMode
, winAttributes
, 0 );
1100 if (winHandle
== INVALID_HANDLE_VALUE
)
1104 * Determine DOS file status.
1115 case TRUNCATE_EXISTING
:
1122 dosStatus
= (GetLastError() == ERROR_ALREADY_EXISTS
) ? 1 : 2;
1125 dosStatus
= (GetLastError() == ERROR_ALREADY_EXISTS
) ? 3 : 2;
1133 * Return DOS file handle and DOS status.
1135 SET_AX( context
, Win32HandleToDosFileHandle(winHandle
) );
1138 SET_CX( context
, dosStatus
);
1140 TRACE( "CreateFile finished: handle=%d, status=%d.\n",
1141 AX_reg(context
), dosStatus
);
1147 /***********************************************************************
1148 * INT21_BufferedInput
1150 * Handler for function 0x0a and reading from console using
1153 * Reads a string of characters from standard input until
1154 * enter key is pressed. Returns either number of characters
1155 * read from console including terminating CR or
1156 * zero if capacity was zero.
1158 static WORD
INT21_BufferedInput( CONTEXT86
*context
, BYTE
*ptr
, WORD capacity
)
1163 * Return immediately if capacity is zero.
1173 DOSVM_Int16ReadChar( &ascii
, &scan
, context
);
1175 if (ascii
== '\r' || ascii
== '\n')
1182 * DOS handles only backspace and KEY_LEFT
1183 * perhaps we should do more
1185 if (ascii
== '\b' || scan
== KEY_LEFT
)
1187 if (length
==0) continue;
1188 DOSVM_PutChar( '\b' );
1194 * If the buffer becomes filled to within one byte of
1195 * capacity, DOS rejects all further characters up to,
1196 * but not including, the terminating carriage return.
1198 if (ascii
!= 0 && length
< capacity
-1)
1200 DOSVM_PutChar( ascii
);
1201 ptr
[length
] = ascii
;
1208 /***********************************************************************
1209 * INT21_GetCurrentDTA
1211 static BYTE
*INT21_GetCurrentDTA( CONTEXT86
*context
)
1213 TDB
*pTask
= GlobalLock16(GetCurrentTask());
1215 /* FIXME: This assumes DTA was set correctly! */
1216 return CTX_SEG_OFF_TO_LIN( context
, SELECTOROF(pTask
->dta
),
1217 OFFSETOF(pTask
->dta
) );
1221 /***********************************************************************
1222 * INT21_OpenFileUsingFCB
1224 * Handler for function 0x0f.
1227 * DX:DX [I/O] File control block (FCB or XFCB) of unopened file
1234 * Opens a FCB file for read/write in compatibility mode. Upon calling
1235 * the FCB must have the drive_number, file_name, and file_extension
1236 * fields filled and all other bytes cleared.
1238 static void INT21_OpenFileUsingFCB( CONTEXT86
*context
)
1246 BY_HANDLE_FILE_INFORMATION info
;
1249 fcb
= CTX_SEG_OFF_TO_LIN(context
, context
->SegDs
, context
->Edx
);
1250 if (fcb
->drive_number
== 0xff) {
1251 xfcb
= (struct XFCB
*) fcb
;
1252 fcb
= (struct FCB
*) xfcb
->fcb
;
1256 file_path
[0] = 'A' + INT21_MapDrive( fcb
->drive_number
);
1258 if (AL_result
== 0) {
1260 pos
= &file_path
[2];
1261 memcpy(pos
, fcb
->file_name
, 8);
1264 pos
= strchr(pos
, ' ');
1267 memcpy(pos
, fcb
->file_extension
, 3);
1270 pos
= strchr(pos
, ' ');
1273 handle
= (HANDLE
) _lopen(file_path
, OF_READWRITE
);
1274 if (handle
== INVALID_HANDLE_VALUE
) {
1275 TRACE("_lopen(\"%s\") failed: INVALID_HANDLE_VALUE\n", file_path
);
1276 AL_result
= 0xff; /* failed */
1278 hfile16
= Win32HandleToDosFileHandle(handle
);
1279 if (hfile16
== HFILE_ERROR16
) {
1280 TRACE("Win32HandleToDosFileHandle(%p) failed: HFILE_ERROR\n", handle
);
1281 CloseHandle(handle
);
1282 AL_result
= 0xff; /* failed */
1283 } else if (hfile16
> 255) {
1284 TRACE("hfile16 (=%d) larger than 255 for \"%s\"\n", hfile16
, file_path
);
1286 AL_result
= 0xff; /* failed */
1288 if (!GetFileInformationByHandle(handle
, &info
)) {
1289 TRACE("GetFileInformationByHandle(%d, %p) for \"%s\" failed\n",
1290 hfile16
, handle
, file_path
);
1292 AL_result
= 0xff; /* failed */
1294 fcb
->drive_number
= file_path
[0] - 'A' + 1;
1295 fcb
->current_block_number
= 0;
1296 fcb
->logical_record_size
= 128;
1297 fcb
->file_size
= info
.nFileSizeLow
;
1298 FileTimeToDosDateTime(&info
.ftLastWriteTime
,
1299 &fcb
->date_of_last_write
, &fcb
->time_of_last_write
);
1300 fcb
->file_number
= hfile16
;
1301 fcb
->attributes
= 0xc2;
1302 fcb
->starting_cluster
= 0; /* don't know correct init value */
1303 fcb
->sequence_number
= 0; /* don't know correct init value */
1304 fcb
->file_attributes
= info
.dwFileAttributes
;
1305 /* The following fields are not initialized */
1306 /* by the native function: */
1308 /* record_within_current_block */
1309 /* random_access_record_number */
1311 TRACE("successful opened file \"%s\" as %d (handle %p)\n",
1312 file_path
, hfile16
, handle
);
1313 AL_result
= 0x00; /* successful */
1318 SET_AL(context
, AL_result
);
1322 /***********************************************************************
1323 * INT21_CloseFileUsingFCB
1325 * Handler for function 0x10.
1328 * DX:DX [I/O] File control block (FCB or XFCB) of open file
1335 * Closes a FCB file.
1337 static void INT21_CloseFileUsingFCB( CONTEXT86
*context
)
1343 fcb
= CTX_SEG_OFF_TO_LIN(context
, context
->SegDs
, context
->Edx
);
1344 if (fcb
->drive_number
== 0xff) {
1345 xfcb
= (struct XFCB
*) fcb
;
1346 fcb
= (struct FCB
*) xfcb
->fcb
;
1349 if (_lclose16((HFILE16
) fcb
->file_number
) != 0) {
1350 TRACE("_lclose16(%d) failed\n", fcb
->file_number
);
1351 AL_result
= 0xff; /* failed */
1353 TRACE("successful closed file %d\n", fcb
->file_number
);
1354 AL_result
= 0x00; /* successful */
1356 SET_AL(context
, AL_result
);
1360 /***********************************************************************
1361 * INT21_SequentialReadFromFCB
1363 * Handler for function 0x14.
1366 * DX:DX [I/O] File control block (FCB or XFCB) of open file
1370 * 1: end of file, no data read
1371 * 2: segment wrap in DTA, no data read (not returned now)
1372 * 3: end of file, partial record read
1375 * Reads a record with the size FCB->logical_record_size from the FCB
1376 * to the disk transfer area. The position of the record is specified
1377 * with FCB->current_block_number and FCB->record_within_current_block.
1378 * Then FCB->current_block_number and FCB->record_within_current_block
1379 * are updated to point to the next record. If a partial record is
1380 * read, it is filled with zeros up to the FCB->logical_record_size.
1382 static void INT21_SequentialReadFromFCB( CONTEXT86
*context
)
1387 DWORD record_number
;
1389 BYTE
*disk_transfer_area
;
1393 fcb
= CTX_SEG_OFF_TO_LIN(context
, context
->SegDs
, context
->Edx
);
1394 if (fcb
->drive_number
== 0xff) {
1395 xfcb
= (struct XFCB
*) fcb
;
1396 fcb
= (struct FCB
*) xfcb
->fcb
;
1399 handle
= DosFileHandleToWin32Handle((HFILE16
) fcb
->file_number
);
1400 if (handle
== INVALID_HANDLE_VALUE
) {
1401 TRACE("DosFileHandleToWin32Handle(%d) failed: INVALID_HANDLE_VALUE\n",
1403 AL_result
= 0x01; /* end of file, no data read */
1405 record_number
= 128 * fcb
->current_block_number
+ fcb
->record_within_current_block
;
1406 position
= SetFilePointer(handle
, record_number
* fcb
->logical_record_size
, NULL
, 0);
1407 if (position
!= record_number
* fcb
->logical_record_size
) {
1408 TRACE("seek(%d, %d, 0) failed with %u\n",
1409 fcb
->file_number
, record_number
* fcb
->logical_record_size
, position
);
1410 AL_result
= 0x01; /* end of file, no data read */
1412 disk_transfer_area
= INT21_GetCurrentDTA(context
);
1413 bytes_read
= _lread((HFILE
) handle
, disk_transfer_area
, fcb
->logical_record_size
);
1414 if (bytes_read
!= fcb
->logical_record_size
) {
1415 TRACE("_lread(%d, %p, %d) failed with %d\n",
1416 fcb
->file_number
, disk_transfer_area
, fcb
->logical_record_size
, bytes_read
);
1417 if (bytes_read
== 0) {
1418 AL_result
= 0x01; /* end of file, no data read */
1420 memset(&disk_transfer_area
[bytes_read
], 0, fcb
->logical_record_size
- bytes_read
);
1421 AL_result
= 0x03; /* end of file, partial record read */
1424 TRACE("successful read %d bytes from record %d (position %u) of file %d (handle %p)\n",
1425 bytes_read
, record_number
, position
, fcb
->file_number
, handle
);
1426 AL_result
= 0x00; /* successful */
1430 if (AL_result
== 0x00 || AL_result
== 0x03) {
1431 if (fcb
->record_within_current_block
== 127) {
1432 fcb
->record_within_current_block
= 0;
1433 fcb
->current_block_number
++;
1435 fcb
->record_within_current_block
++;
1438 SET_AL(context
, AL_result
);
1442 /***********************************************************************
1443 * INT21_SequentialWriteToFCB
1445 * Handler for function 0x15.
1448 * DX:DX [I/O] File control block (FCB or XFCB) of open file
1453 * 2: segment wrap in DTA (not returned now)
1456 * Writes a record with the size FCB->logical_record_size from the disk
1457 * transfer area to the FCB. The position of the record is specified
1458 * with FCB->current_block_number and FCB->record_within_current_block.
1459 * Then FCB->current_block_number and FCB->record_within_current_block
1460 * are updated to point to the next record.
1462 static void INT21_SequentialWriteToFCB( CONTEXT86
*context
)
1467 DWORD record_number
;
1469 BYTE
*disk_transfer_area
;
1473 fcb
= CTX_SEG_OFF_TO_LIN(context
, context
->SegDs
, context
->Edx
);
1474 if (fcb
->drive_number
== 0xff) {
1475 xfcb
= (struct XFCB
*) fcb
;
1476 fcb
= (struct FCB
*) xfcb
->fcb
;
1479 handle
= DosFileHandleToWin32Handle((HFILE16
) fcb
->file_number
);
1480 if (handle
== INVALID_HANDLE_VALUE
) {
1481 TRACE("DosFileHandleToWin32Handle(%d) failed: INVALID_HANDLE_VALUE\n",
1483 AL_result
= 0x01; /* disk full */
1485 record_number
= 128 * fcb
->current_block_number
+ fcb
->record_within_current_block
;
1486 position
= SetFilePointer(handle
, record_number
* fcb
->logical_record_size
, NULL
, 0);
1487 if (position
!= record_number
* fcb
->logical_record_size
) {
1488 TRACE("seek(%d, %d, 0) failed with %u\n",
1489 fcb
->file_number
, record_number
* fcb
->logical_record_size
, position
);
1490 AL_result
= 0x01; /* disk full */
1492 disk_transfer_area
= INT21_GetCurrentDTA(context
);
1493 bytes_written
= _lwrite((HFILE
) handle
, (LPCSTR
)disk_transfer_area
, fcb
->logical_record_size
);
1494 if (bytes_written
!= fcb
->logical_record_size
) {
1495 TRACE("_lwrite(%d, %p, %d) failed with %d\n",
1496 fcb
->file_number
, disk_transfer_area
, fcb
->logical_record_size
, bytes_written
);
1497 AL_result
= 0x01; /* disk full */
1499 TRACE("successful written %d bytes from record %d (position %u) of file %d (handle %p)\n",
1500 bytes_written
, record_number
, position
, fcb
->file_number
, handle
);
1501 AL_result
= 0x00; /* successful */
1505 if (AL_result
== 0x00) {
1506 if (fcb
->record_within_current_block
== 127) {
1507 fcb
->record_within_current_block
= 0;
1508 fcb
->current_block_number
++;
1510 fcb
->record_within_current_block
++;
1513 SET_AL(context
, AL_result
);
1517 /***********************************************************************
1518 * INT21_ReadRandomRecordFromFCB
1520 * Handler for function 0x21.
1523 * DX:DX [I/O] File control block (FCB or XFCB) of open file
1527 * 1: end of file, no data read
1528 * 2: segment wrap in DTA, no data read (not returned now)
1529 * 3: end of file, partial record read
1532 * Reads a record with the size FCB->logical_record_size from
1533 * the FCB to the disk transfer area. The position of the record
1534 * is specified with FCB->random_access_record_number. The
1535 * FCB->random_access_record_number is not updated. If a partial record
1536 * is read, it is filled with zeros up to the FCB->logical_record_size.
1538 static void INT21_ReadRandomRecordFromFCB( CONTEXT86
*context
)
1543 DWORD record_number
;
1545 BYTE
*disk_transfer_area
;
1549 fcb
= CTX_SEG_OFF_TO_LIN(context
, context
->SegDs
, context
->Edx
);
1550 if (fcb
->drive_number
== 0xff) {
1551 xfcb
= (struct XFCB
*) fcb
;
1552 fcb
= (struct FCB
*) xfcb
->fcb
;
1555 memcpy(&record_number
, fcb
->random_access_record_number
, 4);
1556 handle
= DosFileHandleToWin32Handle((HFILE16
) fcb
->file_number
);
1557 if (handle
== INVALID_HANDLE_VALUE
) {
1558 TRACE("DosFileHandleToWin32Handle(%d) failed: INVALID_HANDLE_VALUE\n",
1560 AL_result
= 0x01; /* end of file, no data read */
1562 position
= SetFilePointer(handle
, record_number
* fcb
->logical_record_size
, NULL
, 0);
1563 if (position
!= record_number
* fcb
->logical_record_size
) {
1564 TRACE("seek(%d, %d, 0) failed with %u\n",
1565 fcb
->file_number
, record_number
* fcb
->logical_record_size
, position
);
1566 AL_result
= 0x01; /* end of file, no data read */
1568 disk_transfer_area
= INT21_GetCurrentDTA(context
);
1569 bytes_read
= _lread((HFILE
) handle
, disk_transfer_area
, fcb
->logical_record_size
);
1570 if (bytes_read
!= fcb
->logical_record_size
) {
1571 TRACE("_lread(%d, %p, %d) failed with %d\n",
1572 fcb
->file_number
, disk_transfer_area
, fcb
->logical_record_size
, bytes_read
);
1573 if (bytes_read
== 0) {
1574 AL_result
= 0x01; /* end of file, no data read */
1576 memset(&disk_transfer_area
[bytes_read
], 0, fcb
->logical_record_size
- bytes_read
);
1577 AL_result
= 0x03; /* end of file, partial record read */
1580 TRACE("successful read %d bytes from record %d (position %u) of file %d (handle %p)\n",
1581 bytes_read
, record_number
, position
, fcb
->file_number
, handle
);
1582 AL_result
= 0x00; /* successful */
1586 fcb
->current_block_number
= record_number
/ 128;
1587 fcb
->record_within_current_block
= record_number
% 128;
1588 SET_AL(context
, AL_result
);
1592 /***********************************************************************
1593 * INT21_WriteRandomRecordToFCB
1595 * Handler for function 0x22.
1598 * DX:DX [I/O] File control block (FCB or XFCB) of open file
1603 * 2: segment wrap in DTA (not returned now)
1606 * Writes a record with the size FCB->logical_record_size from
1607 * the disk transfer area to the FCB. The position of the record
1608 * is specified with FCB->random_access_record_number. The
1609 * FCB->random_access_record_number is not updated.
1611 static void INT21_WriteRandomRecordToFCB( CONTEXT86
*context
)
1616 DWORD record_number
;
1618 BYTE
*disk_transfer_area
;
1622 fcb
= CTX_SEG_OFF_TO_LIN(context
, context
->SegDs
, context
->Edx
);
1623 if (fcb
->drive_number
== 0xff) {
1624 xfcb
= (struct XFCB
*) fcb
;
1625 fcb
= (struct FCB
*) xfcb
->fcb
;
1628 memcpy(&record_number
, fcb
->random_access_record_number
, 4);
1629 handle
= DosFileHandleToWin32Handle((HFILE16
) fcb
->file_number
);
1630 if (handle
== INVALID_HANDLE_VALUE
) {
1631 TRACE("DosFileHandleToWin32Handle(%d) failed: INVALID_HANDLE_VALUE\n",
1633 AL_result
= 0x01; /* disk full */
1635 position
= SetFilePointer(handle
, record_number
* fcb
->logical_record_size
, NULL
, 0);
1636 if (position
!= record_number
* fcb
->logical_record_size
) {
1637 TRACE("seek(%d, %d, 0) failed with %u\n",
1638 fcb
->file_number
, record_number
* fcb
->logical_record_size
, position
);
1639 AL_result
= 0x01; /* disk full */
1641 disk_transfer_area
= INT21_GetCurrentDTA(context
);
1642 bytes_written
= _lwrite((HFILE
) handle
, (LPCSTR
)disk_transfer_area
, fcb
->logical_record_size
);
1643 if (bytes_written
!= fcb
->logical_record_size
) {
1644 TRACE("_lwrite(%d, %p, %d) failed with %d\n",
1645 fcb
->file_number
, disk_transfer_area
, fcb
->logical_record_size
, bytes_written
);
1646 AL_result
= 0x01; /* disk full */
1648 TRACE("successful written %d bytes from record %d (position %u) of file %d (handle %p)\n",
1649 bytes_written
, record_number
, position
, fcb
->file_number
, handle
);
1650 AL_result
= 0x00; /* successful */
1654 fcb
->current_block_number
= record_number
/ 128;
1655 fcb
->record_within_current_block
= record_number
% 128;
1656 SET_AL(context
, AL_result
);
1660 /***********************************************************************
1661 * INT21_RandomBlockReadFromFCB
1663 * Handler for function 0x27.
1666 * CX [I/O] Number of records to read
1667 * DX:DX [I/O] File control block (FCB or XFCB) of open file
1671 * 1: end of file, no data read
1672 * 2: segment wrap in DTA, no data read (not returned now)
1673 * 3: end of file, partial record read
1676 * Reads several records with the size FCB->logical_record_size from
1677 * the FCB to the disk transfer area. The number of records to be
1678 * read is specified in the CX register. The position of the first
1679 * record is specified with FCB->random_access_record_number. The
1680 * FCB->random_access_record_number, the FCB->current_block_number
1681 * and FCB->record_within_current_block are updated to point to the
1682 * next record after the records read. If a partial record is read,
1683 * it is filled with zeros up to the FCB->logical_record_size. The
1684 * CX register is set to the number of successfully read records.
1686 static void INT21_RandomBlockReadFromFCB( CONTEXT86
*context
)
1691 DWORD record_number
;
1693 BYTE
*disk_transfer_area
;
1694 UINT records_requested
;
1695 UINT bytes_requested
;
1700 fcb
= CTX_SEG_OFF_TO_LIN(context
, context
->SegDs
, context
->Edx
);
1701 if (fcb
->drive_number
== 0xff) {
1702 xfcb
= (struct XFCB
*) fcb
;
1703 fcb
= (struct FCB
*) xfcb
->fcb
;
1706 memcpy(&record_number
, fcb
->random_access_record_number
, 4);
1707 handle
= DosFileHandleToWin32Handle((HFILE16
) fcb
->file_number
);
1708 if (handle
== INVALID_HANDLE_VALUE
) {
1709 TRACE("DosFileHandleToWin32Handle(%d) failed: INVALID_HANDLE_VALUE\n",
1712 AL_result
= 0x01; /* end of file, no data read */
1714 position
= SetFilePointer(handle
, record_number
* fcb
->logical_record_size
, NULL
, 0);
1715 if (position
!= record_number
* fcb
->logical_record_size
) {
1716 TRACE("seek(%d, %d, 0) failed with %u\n",
1717 fcb
->file_number
, record_number
* fcb
->logical_record_size
, position
);
1719 AL_result
= 0x01; /* end of file, no data read */
1721 disk_transfer_area
= INT21_GetCurrentDTA(context
);
1722 records_requested
= CX_reg(context
);
1723 bytes_requested
= records_requested
* fcb
->logical_record_size
;
1724 bytes_read
= _lread((HFILE
) handle
, disk_transfer_area
, bytes_requested
);
1725 if (bytes_read
!= bytes_requested
) {
1726 TRACE("_lread(%d, %p, %d) failed with %d\n",
1727 fcb
->file_number
, disk_transfer_area
, bytes_requested
, bytes_read
);
1728 records_read
= bytes_read
/ fcb
->logical_record_size
;
1729 if (bytes_read
% fcb
->logical_record_size
== 0) {
1730 AL_result
= 0x01; /* end of file, no data read */
1733 memset(&disk_transfer_area
[bytes_read
], 0, records_read
* fcb
->logical_record_size
- bytes_read
);
1734 AL_result
= 0x03; /* end of file, partial record read */
1737 TRACE("successful read %d bytes from record %d (position %u) of file %d (handle %p)\n",
1738 bytes_read
, record_number
, position
, fcb
->file_number
, handle
);
1739 records_read
= records_requested
;
1740 AL_result
= 0x00; /* successful */
1744 record_number
+= records_read
;
1745 memcpy(fcb
->random_access_record_number
, &record_number
, 4);
1746 fcb
->current_block_number
= record_number
/ 128;
1747 fcb
->record_within_current_block
= record_number
% 128;
1748 SET_CX(context
, records_read
);
1749 SET_AL(context
, AL_result
);
1753 /***********************************************************************
1754 * INT21_RandomBlockWriteToFCB
1756 * Handler for function 0x28.
1759 * CX [I/O] Number of records to write
1760 * DX:DX [I/O] File control block (FCB or XFCB) of open file
1765 * 2: segment wrap in DTA (not returned now)
1768 * Writes several records with the size FCB->logical_record_size from
1769 * the disk transfer area to the FCB. The number of records to be
1770 * written is specified in the CX register. The position of the first
1771 * record is specified with FCB->random_access_record_number. The
1772 * FCB->random_access_record_number, the FCB->current_block_number
1773 * and FCB->record_within_current_block are updated to point to the
1774 * next record after the records written. The CX register is set to
1775 * the number of successfully written records.
1777 static void INT21_RandomBlockWriteToFCB( CONTEXT86
*context
)
1782 DWORD record_number
;
1784 BYTE
*disk_transfer_area
;
1785 UINT records_requested
;
1786 UINT bytes_requested
;
1788 UINT records_written
;
1791 fcb
= CTX_SEG_OFF_TO_LIN(context
, context
->SegDs
, context
->Edx
);
1792 if (fcb
->drive_number
== 0xff) {
1793 xfcb
= (struct XFCB
*) fcb
;
1794 fcb
= (struct FCB
*) xfcb
->fcb
;
1797 memcpy(&record_number
, fcb
->random_access_record_number
, 4);
1798 handle
= DosFileHandleToWin32Handle((HFILE16
) fcb
->file_number
);
1799 if (handle
== INVALID_HANDLE_VALUE
) {
1800 TRACE("DosFileHandleToWin32Handle(%d) failed: INVALID_HANDLE_VALUE\n",
1802 records_written
= 0;
1803 AL_result
= 0x01; /* disk full */
1805 position
= SetFilePointer(handle
, record_number
* fcb
->logical_record_size
, NULL
, 0);
1806 if (position
!= record_number
* fcb
->logical_record_size
) {
1807 TRACE("seek(%d, %d, 0) failed with %u\n",
1808 fcb
->file_number
, record_number
* fcb
->logical_record_size
, position
);
1809 records_written
= 0;
1810 AL_result
= 0x01; /* disk full */
1812 disk_transfer_area
= INT21_GetCurrentDTA(context
);
1813 records_requested
= CX_reg(context
);
1814 bytes_requested
= records_requested
* fcb
->logical_record_size
;
1815 bytes_written
= _lwrite((HFILE
) handle
, (LPCSTR
)disk_transfer_area
, bytes_requested
);
1816 if (bytes_written
!= bytes_requested
) {
1817 TRACE("_lwrite(%d, %p, %d) failed with %d\n",
1818 fcb
->file_number
, disk_transfer_area
, bytes_requested
, bytes_written
);
1819 records_written
= bytes_written
/ fcb
->logical_record_size
;
1820 AL_result
= 0x01; /* disk full */
1822 TRACE("successful write %d bytes from record %d (position %u) of file %d (handle %p)\n",
1823 bytes_written
, record_number
, position
, fcb
->file_number
, handle
);
1824 records_written
= records_requested
;
1825 AL_result
= 0x00; /* successful */
1829 record_number
+= records_written
;
1830 memcpy(fcb
->random_access_record_number
, &record_number
, 4);
1831 fcb
->current_block_number
= record_number
/ 128;
1832 fcb
->record_within_current_block
= record_number
% 128;
1833 SET_CX(context
, records_written
);
1834 SET_AL(context
, AL_result
);
1838 /***********************************************************************
1839 * INT21_CreateDirectory
1843 * - subfunction 0x39 of function 0x71
1844 * - subfunction 0xff of function 0x43 (CL == 0x39)
1846 static BOOL
INT21_CreateDirectory( CONTEXT86
*context
)
1848 WCHAR dirW
[MAX_PATH
];
1849 char *dirA
= CTX_SEG_OFF_TO_LIN(context
,
1853 TRACE( "CREATE DIRECTORY %s\n", dirA
);
1855 MultiByteToWideChar(CP_OEMCP
, 0, dirA
, -1, dirW
, MAX_PATH
);
1857 if (CreateDirectoryW(dirW
, NULL
))
1861 * FIXME: CreateDirectory's LastErrors will clash with the ones
1862 * used by DOS. AH=39 only returns 3 (path not found) and
1863 * 5 (access denied), while CreateDirectory return several
1864 * ones. Remap some of them. -Marcus
1866 switch (GetLastError())
1868 case ERROR_ALREADY_EXISTS
:
1869 case ERROR_FILENAME_EXCED_RANGE
:
1870 case ERROR_DISK_FULL
:
1871 SetLastError(ERROR_ACCESS_DENIED
);
1881 /***********************************************************************
1882 * INT21_ExtendedCountryInformation
1884 * Handler for function 0x65.
1886 static void INT21_ExtendedCountryInformation( CONTEXT86
*context
)
1888 BYTE
*dataptr
= CTX_SEG_OFF_TO_LIN( context
, context
->SegEs
, context
->Edi
);
1889 BYTE buffsize
= CX_reg (context
);
1891 TRACE( "GET EXTENDED COUNTRY INFORMATION, subfunction %02x\n",
1895 * Check subfunctions that are passed country and code page.
1897 if (AL_reg(context
) >= 0x01 && AL_reg(context
) <= 0x07)
1899 WORD country
= DX_reg(context
);
1900 WORD codepage
= BX_reg(context
);
1902 if (country
!= 0xffff && country
!= INT21_GetSystemCountryCode())
1903 FIXME( "Requested info on non-default country %04x\n", country
);
1905 if (codepage
!= 0xffff && codepage
!= GetOEMCP())
1906 FIXME( "Requested info on non-default code page %04x\n", codepage
);
1909 switch (AL_reg(context
)) {
1910 case 0x00: /* SET GENERAL INTERNATIONALIZATION INFO */
1911 INT_BARF( context
, 0x21 );
1912 SET_CFLAG( context
);
1915 case 0x01: /* GET GENERAL INTERNATIONALIZATION INFO */
1916 TRACE( "Get general internationalization info\n" );
1917 dataptr
[0] = 0x01; /* Info ID */
1918 *(WORD
*)(dataptr
+1) = 38; /* Size of the following info */
1919 *(WORD
*)(dataptr
+3) = INT21_GetSystemCountryCode(); /* Country ID */
1920 *(WORD
*)(dataptr
+5) = GetOEMCP(); /* Code page */
1921 /* FIXME: fill buffer partially up to buffsize bytes*/
1922 if (buffsize
>= 0x29){
1923 INT21_FillCountryInformation( dataptr
+ 7 );
1924 SET_CX( context
, 0x29 ); /* Size of returned info */
1926 SET_CX( context
, 0x07 ); /* Size of returned info */
1930 case 0x02: /* GET POINTER TO UPPERCASE TABLE */
1931 case 0x04: /* GET POINTER TO FILENAME UPPERCASE TABLE */
1932 TRACE( "Get pointer to uppercase table\n" );
1933 dataptr
[0] = AL_reg(context
); /* Info ID */
1934 *(DWORD
*)(dataptr
+1) = MAKESEGPTR( INT21_GetHeapSelector( context
),
1935 offsetof(INT21_HEAP
, uppercase_size
) );
1936 SET_CX( context
, 5 ); /* Size of returned info */
1939 case 0x03: /* GET POINTER TO LOWERCASE TABLE */
1940 TRACE( "Get pointer to lowercase table\n" );
1941 dataptr
[0] = 0x03; /* Info ID */
1942 *(DWORD
*)(dataptr
+1) = MAKESEGPTR( INT21_GetHeapSelector( context
),
1943 offsetof(INT21_HEAP
, lowercase_size
) );
1944 SET_CX( context
, 5 ); /* Size of returned info */
1947 case 0x05: /* GET POINTER TO FILENAME TERMINATOR TABLE */
1948 TRACE("Get pointer to filename terminator table\n");
1949 dataptr
[0] = 0x05; /* Info ID */
1950 *(DWORD
*)(dataptr
+1) = MAKESEGPTR( INT21_GetHeapSelector( context
),
1951 offsetof(INT21_HEAP
, filename_size
) );
1952 SET_CX( context
, 5 ); /* Size of returned info */
1955 case 0x06: /* GET POINTER TO COLLATING SEQUENCE TABLE */
1956 TRACE("Get pointer to collating sequence table\n");
1957 dataptr
[0] = 0x06; /* Info ID */
1958 *(DWORD
*)(dataptr
+1) = MAKESEGPTR( INT21_GetHeapSelector( context
),
1959 offsetof(INT21_HEAP
, collating_size
) );
1960 SET_CX( context
, 5 ); /* Size of returned info */
1963 case 0x07: /* GET POINTER TO DBCS LEAD BYTE TABLE */
1964 TRACE("Get pointer to DBCS lead byte table\n");
1965 dataptr
[0] = 0x07; /* Info ID */
1966 *(DWORD
*)(dataptr
+1) = MAKESEGPTR( INT21_GetHeapSelector( context
),
1967 offsetof(INT21_HEAP
, dbcs_size
) );
1968 SET_CX( context
, 5 ); /* Size of returned info */
1971 case 0x20: /* CAPITALIZE CHARACTER */
1972 case 0xa0: /* CAPITALIZE FILENAME CHARACTER */
1973 TRACE("Convert char to uppercase\n");
1974 SET_DL( context
, toupper(DL_reg(context
)) );
1977 case 0x21: /* CAPITALIZE STRING */
1978 case 0xa1: /* CAPITALIZE COUNTED FILENAME STRING */
1979 TRACE("Convert string to uppercase with length\n");
1981 char *ptr
= CTX_SEG_OFF_TO_LIN( context
, context
->SegDs
,
1983 WORD len
= CX_reg(context
);
1984 while (len
--) { *ptr
= toupper(*ptr
); ptr
++; }
1988 case 0x22: /* CAPITALIZE ASCIIZ STRING */
1989 case 0xa2: /* CAPITALIZE ASCIIZ FILENAME */
1990 TRACE("Convert ASCIIZ string to uppercase\n");
1992 char *p
= CTX_SEG_OFF_TO_LIN( context
, context
->SegDs
, context
->Edx
);
1993 for ( ; *p
; p
++) *p
= toupper(*p
);
1997 case 0x23: /* DETERMINE IF CHARACTER REPRESENTS YES/NO RESPONSE */
1998 INT_BARF( context
, 0x21 );
1999 SET_CFLAG( context
);
2003 INT_BARF( context
, 0x21 );
2010 /***********************************************************************
2011 * INT21_FileAttributes
2015 * - subfunction 0x43 of function 0x71
2017 static BOOL
INT21_FileAttributes( CONTEXT86
*context
,
2021 WCHAR fileW
[MAX_PATH
];
2022 char *fileA
= CTX_SEG_OFF_TO_LIN(context
,
2032 switch (subfunction
)
2034 case 0x00: /* GET FILE ATTRIBUTES */
2035 TRACE( "GET FILE ATTRIBUTES for %s\n", fileA
);
2036 len
= MultiByteToWideChar(CP_OEMCP
, 0, fileA
, -1, fileW
, MAX_PATH
);
2038 /* Winbench 96 Disk Test fails if we don't complain
2039 * about a filename that ends in \
2041 if (!len
|| (fileW
[len
-1] == '/') || (fileW
[len
-1] == '\\'))
2044 result
= GetFileAttributesW( fileW
);
2045 if (result
== INVALID_FILE_ATTRIBUTES
)
2049 SET_CX( context
, (WORD
)result
);
2051 SET_AX( context
, (WORD
)result
); /* DR DOS */
2055 case 0x01: /* SET FILE ATTRIBUTES */
2056 TRACE( "SET FILE ATTRIBUTES 0x%02x for %s\n",
2057 CX_reg(context
), fileA
);
2058 MultiByteToWideChar(CP_OEMCP
, 0, fileA
, -1, fileW
, MAX_PATH
);
2060 if (!SetFileAttributesW( fileW
, CX_reg(context
) ))
2064 case 0x02: /* GET COMPRESSED FILE SIZE */
2065 TRACE( "GET COMPRESSED FILE SIZE for %s\n", fileA
);
2066 MultiByteToWideChar(CP_OEMCP
, 0, fileA
, -1, fileW
, MAX_PATH
);
2068 result
= GetCompressedFileSizeW( fileW
, NULL
);
2069 if (result
== INVALID_FILE_SIZE
)
2073 SET_AX( context
, LOWORD(result
) );
2074 SET_DX( context
, HIWORD(result
) );
2078 case 0x03: /* SET FILE LAST-WRITTEN DATE AND TIME */
2080 INT_BARF( context
, 0x21 );
2083 TRACE( "SET FILE LAST-WRITTEN DATE AND TIME, file %s\n", fileA
);
2084 MultiByteToWideChar(CP_OEMCP
, 0, fileA
, -1, fileW
, MAX_PATH
);
2086 handle
= CreateFileW( fileW
, GENERIC_WRITE
,
2087 FILE_SHARE_READ
| FILE_SHARE_WRITE
,
2088 NULL
, OPEN_EXISTING
, 0, 0 );
2089 if (handle
== INVALID_HANDLE_VALUE
)
2092 DosDateTimeToFileTime( DI_reg(context
),
2095 status
= SetFileTime( handle
, NULL
, NULL
, &filetime
);
2097 CloseHandle( handle
);
2102 case 0x04: /* GET FILE LAST-WRITTEN DATE AND TIME */
2104 INT_BARF( context
, 0x21 );
2107 TRACE( "GET FILE LAST-WRITTEN DATE AND TIME, file %s\n", fileA
);
2108 MultiByteToWideChar(CP_OEMCP
, 0, fileA
, -1, fileW
, MAX_PATH
);
2110 handle
= CreateFileW( fileW
, GENERIC_READ
,
2111 FILE_SHARE_READ
| FILE_SHARE_WRITE
,
2112 NULL
, OPEN_EXISTING
, 0, 0 );
2113 if (handle
== INVALID_HANDLE_VALUE
)
2116 status
= GetFileTime( handle
, NULL
, NULL
, &filetime
);
2119 FileTimeToDosDateTime( &filetime
, &date
, &time
);
2120 SET_DI( context
, date
);
2121 SET_CX( context
, time
);
2124 CloseHandle( handle
);
2129 case 0x05: /* SET FILE LAST ACCESS DATE */
2131 INT_BARF( context
, 0x21 );
2134 TRACE( "SET FILE LAST ACCESS DATE, file %s\n", fileA
);
2135 MultiByteToWideChar(CP_OEMCP
, 0, fileA
, -1, fileW
, MAX_PATH
);
2137 handle
= CreateFileW( fileW
, GENERIC_WRITE
,
2138 FILE_SHARE_READ
| FILE_SHARE_WRITE
,
2139 NULL
, OPEN_EXISTING
, 0, 0 );
2140 if (handle
== INVALID_HANDLE_VALUE
)
2143 DosDateTimeToFileTime( DI_reg(context
),
2146 status
= SetFileTime( handle
, NULL
, &filetime
, NULL
);
2148 CloseHandle( handle
);
2153 case 0x06: /* GET FILE LAST ACCESS DATE */
2155 INT_BARF( context
, 0x21 );
2158 TRACE( "GET FILE LAST ACCESS DATE, file %s\n", fileA
);
2159 MultiByteToWideChar(CP_OEMCP
, 0, fileA
, -1, fileW
, MAX_PATH
);
2161 handle
= CreateFileW( fileW
, GENERIC_READ
,
2162 FILE_SHARE_READ
| FILE_SHARE_WRITE
,
2163 NULL
, OPEN_EXISTING
, 0, 0 );
2164 if (handle
== INVALID_HANDLE_VALUE
)
2167 status
= GetFileTime( handle
, NULL
, &filetime
, NULL
);
2170 FileTimeToDosDateTime( &filetime
, &date
, NULL
);
2171 SET_DI( context
, date
);
2174 CloseHandle( handle
);
2179 case 0x07: /* SET FILE CREATION DATE AND TIME */
2181 INT_BARF( context
, 0x21 );
2184 TRACE( "SET FILE CREATION DATE AND TIME, file %s\n", fileA
);
2185 MultiByteToWideChar(CP_OEMCP
, 0, fileA
, -1, fileW
, MAX_PATH
);
2187 handle
= CreateFileW( fileW
, GENERIC_WRITE
,
2188 FILE_SHARE_READ
| FILE_SHARE_WRITE
,
2189 NULL
, OPEN_EXISTING
, 0, 0 );
2190 if (handle
== INVALID_HANDLE_VALUE
)
2194 * FIXME: SI has number of 10-millisecond units past time in CX.
2196 DosDateTimeToFileTime( DI_reg(context
),
2199 status
= SetFileTime( handle
, &filetime
, NULL
, NULL
);
2201 CloseHandle( handle
);
2206 case 0x08: /* GET FILE CREATION DATE AND TIME */
2208 INT_BARF( context
, 0x21 );
2211 TRACE( "GET FILE CREATION DATE AND TIME, file %s\n", fileA
);
2212 MultiByteToWideChar(CP_OEMCP
, 0, fileA
, -1, fileW
, MAX_PATH
);
2214 handle
= CreateFileW( fileW
, GENERIC_READ
,
2215 FILE_SHARE_READ
| FILE_SHARE_WRITE
,
2216 NULL
, OPEN_EXISTING
, 0, 0 );
2217 if (handle
== INVALID_HANDLE_VALUE
)
2220 status
= GetFileTime( handle
, &filetime
, NULL
, NULL
);
2223 FileTimeToDosDateTime( &filetime
, &date
, &time
);
2224 SET_DI( context
, date
);
2225 SET_CX( context
, time
);
2227 * FIXME: SI has number of 10-millisecond units past
2230 SET_SI( context
, 0 );
2233 CloseHandle(handle
);
2238 case 0xff: /* EXTENDED-LENGTH FILENAME OPERATIONS */
2239 if (islong
|| context
->Ebp
!= 0x5053)
2240 INT_BARF( context
, 0x21 );
2243 switch(CL_reg(context
))
2246 if (!INT21_CreateDirectory( context
))
2251 if (!INT21_RenameFile( context
))
2256 INT_BARF( context
, 0x21 );
2262 INT_BARF( context
, 0x21 );
2269 /***********************************************************************
2270 * INT21_FileDateTime
2272 * Handler for function 0x57.
2274 static BOOL
INT21_FileDateTime( CONTEXT86
*context
)
2276 HANDLE handle
= DosFileHandleToWin32Handle(BX_reg(context
));
2280 switch (AL_reg(context
)) {
2281 case 0x00: /* Get last-written stamp */
2282 TRACE( "GET FILE LAST-WRITTEN DATE AND TIME, handle %d\n",
2285 if (!GetFileTime( handle
, NULL
, NULL
, &filetime
))
2287 FileTimeToDosDateTime( &filetime
, &date
, &time
);
2288 SET_DX( context
, date
);
2289 SET_CX( context
, time
);
2293 case 0x01: /* Set last-written stamp */
2294 TRACE( "SET FILE LAST-WRITTEN DATE AND TIME, handle %d\n",
2297 DosDateTimeToFileTime( DX_reg(context
),
2300 if (!SetFileTime( handle
, NULL
, NULL
, &filetime
))
2305 case 0x04: /* Get last access stamp, DOS 7 */
2306 TRACE( "GET FILE LAST ACCESS DATE AND TIME, handle %d\n",
2309 if (!GetFileTime( handle
, NULL
, &filetime
, NULL
))
2311 FileTimeToDosDateTime( &filetime
, &date
, &time
);
2312 SET_DX( context
, date
);
2313 SET_CX( context
, time
);
2317 case 0x05: /* Set last access stamp, DOS 7 */
2318 TRACE( "SET FILE LAST ACCESS DATE AND TIME, handle %d\n",
2321 DosDateTimeToFileTime( DX_reg(context
),
2324 if (!SetFileTime( handle
, NULL
, &filetime
, NULL
))
2329 case 0x06: /* Get creation stamp, DOS 7 */
2330 TRACE( "GET FILE CREATION DATE AND TIME, handle %d\n",
2333 if (!GetFileTime( handle
, &filetime
, NULL
, NULL
))
2335 FileTimeToDosDateTime( &filetime
, &date
, &time
);
2336 SET_DX( context
, date
);
2337 SET_CX( context
, time
);
2339 * FIXME: SI has number of 10-millisecond units past time in CX.
2341 SET_SI( context
, 0 );
2345 case 0x07: /* Set creation stamp, DOS 7 */
2346 TRACE( "SET FILE CREATION DATE AND TIME, handle %d\n",
2350 * FIXME: SI has number of 10-millisecond units past time in CX.
2352 DosDateTimeToFileTime( DX_reg(context
),
2355 if (!SetFileTime( handle
, &filetime
, NULL
, NULL
))
2361 INT_BARF( context
, 0x21 );
2369 /***********************************************************************
2372 * Handler for functions 0x51 and 0x62.
2374 static void INT21_GetPSP( CONTEXT86
*context
)
2376 TRACE( "GET CURRENT PSP ADDRESS (%02x)\n", AH_reg(context
) );
2379 * FIXME: should we return the original DOS PSP upon
2382 if (!ISV86(context
) && DOSVM_IsWin16())
2383 SET_BX( context
, LOWORD(GetCurrentPDB16()) );
2385 SET_BX( context
, DOSVM_psp
);
2388 static inline void setword( BYTE
*ptr
, WORD w
)
2391 ptr
[1] = (BYTE
)(w
>> 8);
2394 static void CreateBPB(int drive
, BYTE
*data
, BOOL16 limited
)
2395 /* limited == TRUE is used with INT 0x21/0x440d */
2397 /* FIXME: we're forcing some values without checking that those are valid */
2402 setword(&data
[3], 0);
2404 setword(&data
[6], 240);
2405 setword(&data
[8], 64000);
2407 setword(&data
[0x0b], 40);
2408 setword(&data
[0x0d], 56);
2409 setword(&data
[0x0f], 2);
2410 setword(&data
[0x11], 0);
2413 setword(&data
[0x1f], 800);
2415 setword(&data
[0x22], 1);
2422 setword(&data
[3], 0);
2424 setword(&data
[6], 240);
2425 setword(&data
[8], 2880);
2427 setword(&data
[0x0b], 6);
2428 setword(&data
[0x0d], 18);
2429 setword(&data
[0x0f], 2);
2430 setword(&data
[0x11], 0);
2433 setword(&data
[0x1f], 80);
2435 setword(&data
[0x22], 2);
2440 static inline DWORD
INT21_Ioctl_CylHeadSect2Lin(DWORD cyl
, WORD head
, WORD sec
, WORD cyl_cnt
,
2441 WORD head_cnt
, WORD sec_cnt
)
2443 DWORD res
= (cyl
* head_cnt
*sec_cnt
+ head
* sec_cnt
+ sec
);
2447 /***********************************************************************
2450 * Handler for block device IOCTLs.
2452 static void INT21_Ioctl_Block( CONTEXT86
*context
)
2455 BYTE drive
= INT21_MapDrive( BL_reg(context
) );
2456 WCHAR drivespec
[4] = {'A', ':', '\\', 0};
2459 drivespec
[0] += drive
;
2460 drivetype
= GetDriveTypeW( drivespec
);
2462 RESET_CFLAG(context
);
2463 if (drivetype
== DRIVE_UNKNOWN
|| drivetype
== DRIVE_NO_ROOT_DIR
)
2465 TRACE( "IOCTL - SUBFUNCTION %d - INVALID DRIVE %c:\n",
2466 AL_reg(context
), 'A' + drive
);
2467 SetLastError( ERROR_INVALID_DRIVE
);
2468 SET_AX( context
, ERROR_INVALID_DRIVE
);
2469 SET_CFLAG( context
);
2473 switch (AL_reg(context
))
2475 case 0x04: /* READ FROM BLOCK DEVICE CONTROL CHANNEL */
2476 case 0x05: /* WRITE TO BLOCK DEVICE CONTROL CHANNEL */
2477 INT_BARF( context
, 0x21 );
2480 case 0x08: /* CHECK IF BLOCK DEVICE REMOVABLE */
2481 TRACE( "IOCTL - CHECK IF BLOCK DEVICE REMOVABLE - %c:\n",
2484 if (drivetype
== DRIVE_REMOVABLE
)
2485 SET_AX( context
, 0 ); /* removable */
2487 SET_AX( context
, 1 ); /* not removable */
2490 case 0x09: /* CHECK IF BLOCK DEVICE REMOTE */
2491 TRACE( "IOCTL - CHECK IF BLOCK DEVICE REMOTE - %c:\n",
2494 if (drivetype
== DRIVE_REMOTE
)
2495 SET_DX( context
, (1<<9) | (1<<12) ); /* remote + no direct IO */
2497 SET_DX( context
, 0 ); /* FIXME: use driver attr here */
2500 case 0x0d: /* GENERIC BLOCK DEVICE REQUEST */
2501 /* Get pointer to IOCTL parameter block */
2502 dataptr
= CTX_SEG_OFF_TO_LIN(context
, context
->SegDs
, context
->Edx
);
2504 switch (CX_reg(context
))
2506 case 0x0841: /* write logical device track */
2507 TRACE( "GENERIC IOCTL - Write logical device track - %c:\n",
2510 WORD head
= *(WORD
*)(dataptr
+1);
2511 WORD cyl
= *(WORD
*)(dataptr
+3);
2512 WORD sect
= *(WORD
*)(dataptr
+5);
2513 WORD nrsect
= *(WORD
*)(dataptr
+7);
2514 BYTE
*data
= CTX_SEG_OFF_TO_LIN(context
, *(WORD
*)(dataptr
+11), *(WORD
*)(dataptr
+9));
2515 WORD cyl_cnt
, head_cnt
, sec_cnt
;
2517 /* FIXME: we're faking some values here */
2523 SET_AX( context
, ERROR_WRITE_FAULT
);
2534 if (!DOSVM_RawWrite(drive
, INT21_Ioctl_CylHeadSect2Lin(cyl
, head
, sect
, cyl_cnt
, head_cnt
, sec_cnt
), nrsect
, data
, FALSE
))
2536 SET_AX( context
, ERROR_WRITE_FAULT
);
2542 case 0x084a: /* lock logical volume */
2543 TRACE( "GENERIC IOCTL - Lock logical volume, level %d mode %d - %c:\n",
2544 BH_reg(context
), DX_reg(context
), 'A' + drive
);
2547 case 0x0860: /* get device parameters */
2548 /* FIXME: we're faking some values here */
2549 /* used by w4wgrp's winfile */
2550 memset(dataptr
, 0, 0x20); /* DOS 6.22 uses 0x20 bytes */
2552 dataptr
[6] = 0; /* media type */
2555 dataptr
[1] = 0x05; /* fixed disk */
2556 setword(&dataptr
[2], 0x01); /* non removable */
2557 setword(&dataptr
[4], 0x300); /* # of cylinders */
2561 dataptr
[1] = 0x07; /* block dev, floppy */
2562 setword(&dataptr
[2], 0x02); /* removable */
2563 setword(&dataptr
[4], 80); /* # of cylinders */
2565 CreateBPB(drive
, &dataptr
[7], TRUE
);
2566 RESET_CFLAG(context
);
2569 case 0x0861: /* read logical device track */
2570 TRACE( "GENERIC IOCTL - Read logical device track - %c:\n",
2573 WORD head
= *(WORD
*)(dataptr
+1);
2574 WORD cyl
= *(WORD
*)(dataptr
+3);
2575 WORD sect
= *(WORD
*)(dataptr
+5);
2576 WORD nrsect
= *(WORD
*)(dataptr
+7);
2577 BYTE
*data
= CTX_SEG_OFF_TO_LIN(context
, *(WORD
*)(dataptr
+11), *(WORD
*)(dataptr
+9));
2578 WORD cyl_cnt
, head_cnt
, sec_cnt
;
2580 /* FIXME: we're faking some values here */
2594 if (!DOSVM_RawRead(drive
, INT21_Ioctl_CylHeadSect2Lin(cyl
, head
, sect
, cyl_cnt
, head_cnt
, sec_cnt
), nrsect
, data
, FALSE
))
2596 SET_AX( context
, ERROR_READ_FAULT
);
2602 case 0x0866: /* get volume serial number */
2604 WCHAR label
[12],fsname
[9];
2607 drivespec
[0] += drive
;
2608 GetVolumeInformationW(drivespec
, label
, 12, &serial
, NULL
, NULL
, fsname
, 9);
2609 *(WORD
*)dataptr
= 0;
2610 memcpy(dataptr
+2,&serial
,4);
2611 WideCharToMultiByte(CP_OEMCP
, 0, label
, 11, (LPSTR
)dataptr
+ 6, 11, NULL
, NULL
);
2612 WideCharToMultiByte(CP_OEMCP
, 0, fsname
, 8, (LPSTR
)dataptr
+ 17, 8, NULL
, NULL
);
2616 case 0x086a: /* unlock logical volume */
2617 TRACE( "GENERIC IOCTL - Logical volume unlocked - %c:\n",
2621 case 0x086f: /* get drive map information */
2622 memset(dataptr
+1, '\0', dataptr
[0]-1);
2623 dataptr
[1] = dataptr
[0];
2624 dataptr
[2] = 0x07; /* protected mode driver; no eject; no notification */
2625 dataptr
[3] = 0xFF; /* no physical drive */
2629 /* Trial and error implementation */
2630 SET_AX( context
, drivetype
== DRIVE_UNKNOWN
? 0x0f : 0x01 );
2631 SET_CFLAG(context
); /* Seems to be set all the time */
2635 INT_BARF( context
, 0x21 );
2639 case 0x0e: /* GET LOGICAL DRIVE MAP */
2640 TRACE( "IOCTL - GET LOGICAL DRIVE MAP - %c:\n",
2642 /* FIXME: this is not correct if drive has mappings */
2643 SET_AL( context
, 0 ); /* drive has no mapping */
2646 case 0x0f: /* SET LOGICAL DRIVE MAP */
2647 TRACE("IOCTL - SET LOGICAL DRIVE MAP for drive %s\n",
2648 INT21_DriveName( BL_reg(context
)));
2649 /* FIXME: as of today, we don't support logical drive mapping... */
2650 SET_AL( context
, 0 );
2653 case 0x11: /* QUERY GENERIC IOCTL CAPABILITY */
2655 INT_BARF( context
, 0x21 );
2660 /***********************************************************************
2661 * INT21_IoctlScsiMgrHandler
2663 * IOCTL handler for the SCSIMGR device.
2665 static void INT21_IoctlScsiMgrHandler( CONTEXT86
*context
)
2667 switch (AL_reg(context
))
2669 case 0x00: /* GET DEVICE INFORMATION */
2670 SET_DX( context
, 0xc0c0 );
2673 case 0x02: /* READ FROM CHARACTER DEVICE CONTROL CHANNEL */
2674 DOSVM_ASPIHandler(context
);
2677 case 0x0a: /* CHECK IF HANDLE IS REMOTE */
2678 SET_DX( context
, 0 );
2681 case 0x01: /* SET DEVICE INFORMATION */
2682 case 0x03: /* WRITE TO CHARACTER DEVICE CONTROL CHANNEL */
2683 case 0x06: /* GET INPUT STATUS */
2684 case 0x07: /* GET OUTPUT STATUS */
2685 case 0x0c: /* GENERIC CHARACTER DEVICE REQUEST */
2686 case 0x10: /* QUERY GENERIC IOCTL CAPABILITY */
2688 INT_BARF( context
, 0x21 );
2694 /***********************************************************************
2695 * INT21_IoctlEMSHandler
2697 * IOCTL handler for the EMXXXX0 device.
2699 static void INT21_IoctlEMSHandler( CONTEXT86
*context
)
2701 EMS_Ioctl_Handler(context
);
2705 /***********************************************************************
2706 * INT21_IoctlHPScanHandler
2708 * IOCTL handler for the HPSCAN device.
2710 static void INT21_IoctlHPScanHandler( CONTEXT86
*context
)
2712 switch (AL_reg(context
))
2714 case 0x00: /* GET DEVICE INFORMATION */
2715 SET_DX( context
, 0xc0c0 );
2718 case 0x0a: /* CHECK IF HANDLE IS REMOTE */
2719 SET_DX( context
, 0 );
2722 case 0x01: /* SET DEVICE INFORMATION */
2723 case 0x02: /* READ FROM CHARACTER DEVICE CONTROL CHANNEL */
2724 case 0x03: /* WRITE TO CHARACTER DEVICE CONTROL CHANNEL */
2725 case 0x06: /* GET INPUT STATUS */
2726 case 0x07: /* GET OUTPUT STATUS */
2727 case 0x0c: /* GENERIC CHARACTER DEVICE REQUEST */
2728 case 0x10: /* QUERY GENERIC IOCTL CAPABILITY */
2730 INT_BARF( context
, 0x21 );
2736 /***********************************************************************
2739 * Handler for character device IOCTLs.
2741 static void INT21_Ioctl_Char( CONTEXT86
*context
)
2744 int IsConsoleIOHandle
= 0;
2746 FILE_INTERNAL_INFORMATION info
;
2747 HANDLE handle
= DosFileHandleToWin32Handle(BX_reg(context
));
2749 status
= NtQueryInformationFile( handle
, &io
, &info
, sizeof(info
), FileInternalInformation
);
2752 if( VerifyConsoleIoHandle( handle
))
2753 IsConsoleIOHandle
= 1;
2755 SET_AX( context
, RtlNtStatusToDosError(status
) );
2756 SET_CFLAG( context
);
2761 for (i
= 0; i
< NB_MAGIC_DEVICES
; i
++)
2763 if (!magic_devices
[i
].handle
) continue;
2764 if (magic_devices
[i
].index
.QuadPart
== info
.IndexNumber
.QuadPart
)
2767 magic_devices
[i
].ioctl_handler( context
);
2773 /* no magic device found, do default handling */
2775 switch (AL_reg(context
))
2777 case 0x00: /* GET DEVICE INFORMATION */
2778 TRACE( "IOCTL - GET DEVICE INFORMATION - %d\n", BX_reg(context
) );
2779 if (IsConsoleIOHandle
|| GetFileType(handle
) == FILE_TYPE_CHAR
)
2782 * Returns attribute word in DX:
2783 * Bit 14 - Device driver can process IOCTL requests.
2784 * Bit 13 - Output until busy supported.
2785 * Bit 11 - Driver supports OPEN/CLOSE calls.
2787 * Bit 7 - Set (indicates device).
2788 * Bit 6 - EOF on input.
2789 * Bit 5 - Raw (binary) mode.
2790 * Bit 4 - Device is special (uses int29).
2791 * Bit 3 - Clock device.
2792 * Bit 2 - NUL device.
2793 * Bit 1 - Console output device.
2794 * Bit 0 - Console input device.
2796 SET_DX( context
, IsConsoleIOHandle
? 0x80c3 : 0x80c0 /* FIXME */ );
2801 * Returns attribute word in DX:
2802 * Bit 15 - File is remote.
2803 * Bit 14 - Don't set file date/time on closing.
2804 * Bit 11 - Media not removable.
2805 * Bit 8 - Generate int24 if no disk space on write
2806 * or read past end of file
2807 * Bit 7 - Clear (indicates file).
2808 * Bit 6 - File has not been written.
2809 * Bit 5..0 - Drive number (0=A:,...)
2811 * FIXME: Should check if file is on remote or removable drive.
2812 * FIXME: Should use drive file is located on (and not current).
2814 SET_DX( context
, 0x0140 + INT21_GetCurrentDrive() );
2818 case 0x0a: /* CHECK IF HANDLE IS REMOTE */
2819 TRACE( "IOCTL - CHECK IF HANDLE IS REMOTE - %d\n", BX_reg(context
) );
2821 * Returns attribute word in DX:
2822 * Bit 15 - Set if remote.
2823 * Bit 14 - Set if date/time not set on close.
2825 * FIXME: Should check if file is on remote drive.
2827 SET_DX( context
, 0 );
2830 case 0x01: /* SET DEVICE INFORMATION */
2831 case 0x02: /* READ FROM CHARACTER DEVICE CONTROL CHANNEL */
2832 case 0x03: /* WRITE TO CHARACTER DEVICE CONTROL CHANNEL */
2833 case 0x06: /* GET INPUT STATUS */
2834 case 0x07: /* GET OUTPUT STATUS */
2835 case 0x0c: /* GENERIC CHARACTER DEVICE REQUEST */
2836 case 0x10: /* QUERY GENERIC IOCTL CAPABILITY */
2838 INT_BARF( context
, 0x21 );
2844 /***********************************************************************
2847 * Handler for function 0x44.
2849 static void INT21_Ioctl( CONTEXT86
*context
)
2851 switch (AL_reg(context
))
2857 INT21_Ioctl_Char( context
);
2862 INT21_Ioctl_Block( context
);
2867 INT21_Ioctl_Char( context
);
2872 INT21_Ioctl_Block( context
);
2876 INT21_Ioctl_Char( context
);
2879 case 0x0b: /* SET SHARING RETRY COUNT */
2880 TRACE( "SET SHARING RETRY COUNT: Pause %d, retries %d.\n",
2881 CX_reg(context
), DX_reg(context
) );
2882 if (!CX_reg(context
))
2884 SET_AX( context
, 1 );
2885 SET_CFLAG( context
);
2889 DOSDEV_SetSharingRetry( CX_reg(context
), DX_reg(context
) );
2890 RESET_CFLAG( context
);
2895 INT21_Ioctl_Char( context
);
2901 INT21_Ioctl_Block( context
);
2905 INT21_Ioctl_Char( context
);
2909 INT21_Ioctl_Block( context
);
2912 case 0x12: /* DR DOS - DETERMINE DOS TYPE (OBSOLETE FUNCTION) */
2913 TRACE( "DR DOS - DETERMINE DOS TYPE (OBSOLETE FUNCTION)\n" );
2914 SET_CFLAG(context
); /* Error / This is not DR DOS. */
2915 SET_AX( context
, 0x0001 ); /* Invalid function */
2918 case 0x52: /* DR DOS - DETERMINE DOS TYPE */
2919 TRACE( "DR DOS - DETERMINE DOS TYPE\n" );
2920 SET_CFLAG(context
); /* Error / This is not DR DOS. */
2921 SET_AX( context
, 0x0001 ); /* Invalid function */
2924 case 0xe0: /* Sun PC-NFS API */
2925 TRACE( "Sun PC-NFS API\n" );
2930 INT_BARF( context
, 0x21 );
2935 /***********************************************************************
2938 * Handler for function 0x73.
2940 static BOOL
INT21_Fat32( CONTEXT86
*context
)
2942 switch (AL_reg(context
))
2944 case 0x02: /* FAT32 - GET EXTENDED DPB */
2946 BYTE drive
= INT21_MapDrive( DL_reg(context
) );
2947 WORD
*ptr
= CTX_SEG_OFF_TO_LIN(context
,
2948 context
->SegEs
, context
->Edi
);
2949 INT21_DPB
*target
= (INT21_DPB
*)(ptr
+ 1);
2952 TRACE( "FAT32 - GET EXTENDED DPB %d\n", DL_reg(context
) );
2954 if ( CX_reg(context
) < sizeof(INT21_DPB
) + 2 || *ptr
< sizeof(INT21_DPB
) )
2956 SetLastError( ERROR_BAD_LENGTH
);
2960 if ( !INT21_FillDrivePB( drive
) )
2962 SetLastError( ERROR_INVALID_DRIVE
);
2966 source
= &INT21_GetHeapPointer()->misc_dpb_list
[drive
];
2968 *ptr
= sizeof(INT21_DPB
);
2971 if (LOWORD(context
->Esi
) != 0xF1A6)
2973 target
->driver_header
= 0;
2978 FIXME( "Caller requested driver and next DPB pointers!\n" );
2983 case 0x03: /* FAT32 - GET EXTENDED FREE SPACE ON DRIVE */
2985 WCHAR dirW
[MAX_PATH
];
2986 char *dirA
= CTX_SEG_OFF_TO_LIN( context
,
2987 context
->SegDs
, context
->Edx
);
2988 BYTE
*data
= CTX_SEG_OFF_TO_LIN( context
,
2989 context
->SegEs
, context
->Edi
);
2990 DWORD cluster_sectors
;
2992 DWORD free_clusters
;
2993 DWORD total_clusters
;
2995 TRACE( "FAT32 - GET EXTENDED FREE SPACE ON DRIVE %s\n", dirA
);
2996 MultiByteToWideChar(CP_OEMCP
, 0, dirA
, -1, dirW
, MAX_PATH
);
2998 if (CX_reg(context
) < 44)
3000 SetLastError( ERROR_BAD_LENGTH
);
3004 if (!GetDiskFreeSpaceW( dirW
, &cluster_sectors
, §or_bytes
,
3005 &free_clusters
, &total_clusters
))
3008 *(WORD
*) (data
+ 0) = 44; /* size of structure */
3009 *(WORD
*) (data
+ 2) = 0; /* version */
3010 *(DWORD
*)(data
+ 4) = cluster_sectors
;
3011 *(DWORD
*)(data
+ 8) = sector_bytes
;
3012 *(DWORD
*)(data
+ 12) = free_clusters
;
3013 *(DWORD
*)(data
+ 16) = total_clusters
;
3016 * Below we have free/total sectors and
3017 * free/total allocation units without adjustment
3018 * for compression. We fake both using cluster information.
3020 *(DWORD
*)(data
+ 20) = free_clusters
* cluster_sectors
;
3021 *(DWORD
*)(data
+ 24) = total_clusters
* cluster_sectors
;
3022 *(DWORD
*)(data
+ 28) = free_clusters
;
3023 *(DWORD
*)(data
+ 32) = total_clusters
;
3026 * Between (data + 36) and (data + 43) there
3027 * are eight reserved bytes.
3033 INT_BARF( context
, 0x21 );
3039 static void INT21_ConvertFindDataWtoA(WIN32_FIND_DATAA
*dataA
,
3040 const WIN32_FIND_DATAW
*dataW
)
3042 dataA
->dwFileAttributes
= dataW
->dwFileAttributes
;
3043 dataA
->ftCreationTime
= dataW
->ftCreationTime
;
3044 dataA
->ftLastAccessTime
= dataW
->ftLastAccessTime
;
3045 dataA
->ftLastWriteTime
= dataW
->ftLastWriteTime
;
3046 dataA
->nFileSizeHigh
= dataW
->nFileSizeHigh
;
3047 dataA
->nFileSizeLow
= dataW
->nFileSizeLow
;
3048 WideCharToMultiByte( CP_OEMCP
, 0, dataW
->cFileName
, -1,
3049 dataA
->cFileName
, sizeof(dataA
->cFileName
), NULL
, NULL
);
3050 WideCharToMultiByte( CP_OEMCP
, 0, dataW
->cAlternateFileName
, -1,
3051 dataA
->cAlternateFileName
, sizeof(dataA
->cAlternateFileName
), NULL
, NULL
);
3054 /***********************************************************************
3055 * INT21_LongFilename
3057 * Handler for function 0x71.
3059 static void INT21_LongFilename( CONTEXT86
*context
)
3061 BOOL bSetDOSExtendedError
= FALSE
;
3062 WCHAR pathW
[MAX_PATH
];
3065 switch (AL_reg(context
))
3067 case 0x0d: /* RESET DRIVE */
3068 INT_BARF( context
, 0x21 );
3071 case 0x39: /* LONG FILENAME - MAKE DIRECTORY */
3072 if (!INT21_CreateDirectory( context
))
3073 bSetDOSExtendedError
= TRUE
;
3076 case 0x3a: /* LONG FILENAME - REMOVE DIRECTORY */
3077 pathA
= CTX_SEG_OFF_TO_LIN(context
, context
->SegDs
, context
->Edx
);
3079 TRACE( "LONG FILENAME - REMOVE DIRECTORY %s\n", pathA
);
3080 MultiByteToWideChar(CP_OEMCP
, 0, pathA
, -1, pathW
, MAX_PATH
);
3081 if (!RemoveDirectoryW( pathW
)) bSetDOSExtendedError
= TRUE
;
3084 case 0x3b: /* LONG FILENAME - CHANGE DIRECTORY */
3085 if (!INT21_SetCurrentDirectory( context
))
3086 bSetDOSExtendedError
= TRUE
;
3089 case 0x41: /* LONG FILENAME - DELETE FILE */
3090 pathA
= CTX_SEG_OFF_TO_LIN(context
, context
->SegDs
, context
->Edx
);
3092 TRACE( "LONG FILENAME - DELETE FILE %s\n", pathA
);
3093 MultiByteToWideChar(CP_OEMCP
, 0, pathA
, -1, pathW
, MAX_PATH
);
3095 if (!DeleteFileW( pathW
)) bSetDOSExtendedError
= TRUE
;
3098 case 0x43: /* LONG FILENAME - EXTENDED GET/SET FILE ATTRIBUTES */
3099 if (!INT21_FileAttributes( context
, BL_reg(context
), TRUE
))
3100 bSetDOSExtendedError
= TRUE
;
3103 case 0x47: /* LONG FILENAME - GET CURRENT DIRECTORY */
3104 if (!INT21_GetCurrentDirectory( context
, TRUE
))
3105 bSetDOSExtendedError
= TRUE
;
3108 case 0x4e: /* LONG FILENAME - FIND FIRST MATCHING FILE */
3112 WIN32_FIND_DATAW dataW
;
3113 WIN32_FIND_DATAA
* dataA
;
3115 pathA
= CTX_SEG_OFF_TO_LIN(context
, context
->SegDs
,context
->Edx
);
3116 TRACE(" LONG FILENAME - FIND FIRST MATCHING FILE for %s\n", pathA
);
3118 MultiByteToWideChar(CP_OEMCP
, 0, pathA
, -1, pathW
, MAX_PATH
);
3119 handle
= FindFirstFileW(pathW
, &dataW
);
3121 dataA
= CTX_SEG_OFF_TO_LIN(context
, context
->SegEs
, context
->Edi
);
3122 if (handle
!= INVALID_HANDLE_VALUE
&&
3123 (h16
= GlobalAlloc16(GMEM_MOVEABLE
, sizeof(handle
))))
3125 HANDLE
* ptr
= GlobalLock16( h16
);
3127 GlobalUnlock16( h16
);
3128 SET_AX( context
, h16
);
3129 INT21_ConvertFindDataWtoA(dataA
, &dataW
);
3133 if (handle
!= INVALID_HANDLE_VALUE
) FindClose(handle
);
3134 SET_AX( context
, INVALID_HANDLE_VALUE16
);
3135 bSetDOSExtendedError
= TRUE
;
3140 case 0x4f: /* LONG FILENAME - FIND NEXT MATCHING FILE */
3142 HGLOBAL16 h16
= BX_reg(context
);
3144 WIN32_FIND_DATAW dataW
;
3145 WIN32_FIND_DATAA
* dataA
;
3147 TRACE("LONG FILENAME - FIND NEXT MATCHING FILE for handle %d\n",
3150 dataA
= CTX_SEG_OFF_TO_LIN(context
, context
->SegEs
, context
->Edi
);
3152 if (h16
!= INVALID_HANDLE_VALUE16
&& (ptr
= GlobalLock16( h16
)))
3154 if (!FindNextFileW(*ptr
, &dataW
)) bSetDOSExtendedError
= TRUE
;
3155 else INT21_ConvertFindDataWtoA(dataA
, &dataW
);
3156 GlobalUnlock16( h16
);
3160 SetLastError( ERROR_INVALID_HANDLE
);
3161 bSetDOSExtendedError
= TRUE
;
3166 case 0x56: /* LONG FILENAME - RENAME FILE */
3167 if (!INT21_RenameFile(context
))
3168 bSetDOSExtendedError
= TRUE
;
3171 case 0x60: /* LONG FILENAME - CONVERT PATH */
3173 WCHAR res
[MAX_PATH
];
3175 switch (CL_reg(context
))
3177 case 0x00: /* "truename" - Canonicalize path */
3179 * FIXME: This is not 100% equal to 0x01 case,
3180 * if you fix this, fix int21 subfunction 0x60, too.
3183 case 0x01: /* Get short filename or path */
3184 MultiByteToWideChar(CP_OEMCP
, 0, CTX_SEG_OFF_TO_LIN(context
, context
->SegDs
, context
->Esi
), -1, pathW
, MAX_PATH
);
3185 if (!GetShortPathNameW(pathW
, res
, 67))
3186 bSetDOSExtendedError
= TRUE
;
3189 SET_AX( context
, 0 );
3190 WideCharToMultiByte(CP_OEMCP
, 0, res
, -1,
3191 CTX_SEG_OFF_TO_LIN(context
, context
->SegEs
, context
->Edi
),
3196 case 0x02: /* Get canonical long filename or path */
3197 MultiByteToWideChar(CP_OEMCP
, 0, CTX_SEG_OFF_TO_LIN(context
, context
->SegDs
, context
->Esi
), -1, pathW
, MAX_PATH
);
3198 if (!GetFullPathNameW(pathW
, 128, res
, NULL
))
3199 bSetDOSExtendedError
= TRUE
;
3202 SET_AX( context
, 0 );
3203 WideCharToMultiByte(CP_OEMCP
, 0, res
, -1,
3204 CTX_SEG_OFF_TO_LIN(context
, context
->SegEs
, context
->Edi
),
3209 FIXME("Unimplemented long file name function:\n");
3210 INT_BARF( context
, 0x21 );
3212 SET_AL( context
, 0 );
3218 case 0x6c: /* LONG FILENAME - CREATE OR OPEN FILE */
3219 if (!INT21_CreateFile( context
, context
->Esi
, TRUE
,
3220 BX_reg(context
), DL_reg(context
) ))
3221 bSetDOSExtendedError
= TRUE
;
3224 case 0xa0: /* LONG FILENAME - GET VOLUME INFORMATION */
3226 DWORD filename_len
, flags
;
3229 pathA
= CTX_SEG_OFF_TO_LIN(context
, context
->SegDs
,context
->Edx
);
3231 TRACE("LONG FILENAME - GET VOLUME INFORMATION for drive having root dir '%s'.\n", pathA
);
3232 SET_AX( context
, 0 );
3233 MultiByteToWideChar(CP_OEMCP
, 0, pathA
, -1, pathW
, MAX_PATH
);
3234 if (!GetVolumeInformationW( pathW
, NULL
, 0, NULL
, &filename_len
,
3237 INT_BARF( context
, 0x21 );
3241 SET_BX( context
, flags
| 0x4000 ); /* support for LFN functions */
3242 SET_CX( context
, filename_len
);
3243 SET_DX( context
, MAX_PATH
); /* FIXME: which len if DRIVE_SHORT_NAMES ? */
3244 WideCharToMultiByte(CP_OEMCP
, 0, dstW
, -1,
3245 CTX_SEG_OFF_TO_LIN(context
, context
->SegEs
, context
->Edi
),
3250 case 0xa1: /* LONG FILENAME - "FindClose" - TERMINATE DIRECTORY SEARCH */
3252 HGLOBAL16 h16
= BX_reg(context
);
3255 TRACE("LONG FILENAME - FINDCLOSE for handle %d\n",
3257 if (h16
!= INVALID_HANDLE_VALUE16
&& (ptr
= GlobalLock16( h16
)))
3259 if (!FindClose( *ptr
)) bSetDOSExtendedError
= TRUE
;
3260 GlobalUnlock16( h16
);
3261 GlobalFree16( h16
);
3265 SetLastError( ERROR_INVALID_HANDLE
);
3266 bSetDOSExtendedError
= TRUE
;
3271 case 0xa6: /* LONG FILENAME - GET FILE INFO BY HANDLE */
3273 HANDLE handle
= DosFileHandleToWin32Handle(BX_reg(context
));
3274 BY_HANDLE_FILE_INFORMATION
*info
=
3275 CTX_SEG_OFF_TO_LIN(context
, context
->SegDs
, context
->Edx
);
3277 TRACE( "LONG FILENAME - GET FILE INFO BY HANDLE\n" );
3279 if (!GetFileInformationByHandle(handle
, info
))
3280 bSetDOSExtendedError
= TRUE
;
3284 case 0xa7: /* LONG FILENAME - CONVERT TIME */
3285 switch (BL_reg(context
))
3287 case 0x00: /* FILE TIME TO DOS TIME */
3290 FILETIME
*filetime
= CTX_SEG_OFF_TO_LIN(context
,
3294 TRACE( "LONG FILENAME - FILE TIME TO DOS TIME\n" );
3296 FileTimeToDosDateTime( filetime
, &date
, &time
);
3298 SET_DX( context
, date
);
3299 SET_CX( context
, time
);
3302 * FIXME: BH has number of 10-millisecond units
3305 SET_BH( context
, 0 );
3309 case 0x01: /* DOS TIME TO FILE TIME */
3311 FILETIME
*filetime
= CTX_SEG_OFF_TO_LIN(context
,
3315 TRACE( "LONG FILENAME - DOS TIME TO FILE TIME\n" );
3318 * FIXME: BH has number of 10-millisecond units
3321 DosDateTimeToFileTime( DX_reg(context
), CX_reg(context
),
3327 INT_BARF( context
, 0x21 );
3332 case 0xa8: /* LONG FILENAME - GENERATE SHORT FILENAME */
3333 case 0xa9: /* LONG FILENAME - SERVER CREATE OR OPEN FILE */
3334 case 0xaa: /* LONG FILENAME - SUBST */
3336 FIXME("Unimplemented long file name function:\n");
3337 INT_BARF( context
, 0x21 );
3339 SET_AL( context
, 0 );
3343 if (bSetDOSExtendedError
)
3345 SET_AX( context
, GetLastError() );
3346 SET_CFLAG( context
);
3351 /***********************************************************************
3356 * - subfunction 0x56 of function 0x71
3357 * - subfunction 0xff of function 0x43 (CL == 0x56)
3359 static BOOL
INT21_RenameFile( CONTEXT86
*context
)
3361 WCHAR fromW
[MAX_PATH
];
3362 WCHAR toW
[MAX_PATH
];
3363 char *fromA
= CTX_SEG_OFF_TO_LIN(context
,
3364 context
->SegDs
,context
->Edx
);
3365 char *toA
= CTX_SEG_OFF_TO_LIN(context
,
3366 context
->SegEs
,context
->Edi
);
3368 TRACE( "RENAME FILE %s to %s\n", fromA
, toA
);
3369 MultiByteToWideChar(CP_OEMCP
, 0, fromA
, -1, fromW
, MAX_PATH
);
3370 MultiByteToWideChar(CP_OEMCP
, 0, toA
, -1, toW
, MAX_PATH
);
3372 return MoveFileW( fromW
, toW
);
3376 /***********************************************************************
3382 static BOOL
INT21_NetworkFunc (CONTEXT86
*context
)
3384 switch (AL_reg(context
))
3386 case 0x00: /* Get machine name. */
3388 WCHAR dstW
[MAX_COMPUTERNAME_LENGTH
+ 1];
3389 DWORD s
= sizeof(dstW
) / sizeof(WCHAR
);
3392 char *dst
= CTX_SEG_OFF_TO_LIN (context
,context
->SegDs
,context
->Edx
);
3393 TRACE("getting machine name to %p\n", dst
);
3394 if (!GetComputerNameW(dstW
, &s
) ||
3395 !WideCharToMultiByte(CP_OEMCP
, 0, dstW
, -1, dst
, 16, NULL
, NULL
))
3398 SetLastError( ER_NoNetwork
);
3401 for (len
= strlen(dst
); len
< 15; len
++) dst
[len
] = ' ';
3403 SET_CH( context
, 1 ); /* Valid */
3404 SET_CL( context
, 1 ); /* NETbios number??? */
3405 TRACE("returning %s\n", debugstr_an(dst
, 16));
3410 SetLastError( ER_NoNetwork
);
3415 /******************************************************************
3416 * INT21_GetDiskSerialNumber
3419 static int INT21_GetDiskSerialNumber( CONTEXT86
*context
)
3421 BYTE
*dataptr
= CTX_SEG_OFF_TO_LIN(context
, context
->SegDs
, context
->Edx
);
3422 WCHAR path
[] = {'A',':',0}, label
[11];
3425 path
[0] += INT21_MapDrive(BL_reg(context
));
3426 if (!GetVolumeInformationW( path
, label
, 11, &serial
, NULL
, NULL
, NULL
, 0))
3428 SetLastError( ERROR_INVALID_DRIVE
);
3432 *(WORD
*)dataptr
= 0;
3433 memcpy(dataptr
+ 2, &serial
, sizeof(DWORD
));
3434 WideCharToMultiByte(CP_OEMCP
, 0, label
, 11, (LPSTR
)dataptr
+ 6, 11, NULL
, NULL
);
3435 memcpy(dataptr
+ 17, "FAT16 ", 8);
3440 /******************************************************************
3441 * INT21_SetDiskSerialNumber
3444 static int INT21_SetDiskSerialNumber( CONTEXT86
*context
)
3447 BYTE
*dataptr
= CTX_SEG_OFF_TO_LIN(context
, context
->SegDs
, context
->Edx
);
3448 int drive
= INT21_MapDrive(BL_reg(context
));
3450 if (!is_valid_drive(drive
))
3452 SetLastError( ERROR_INVALID_DRIVE
);
3456 DRIVE_SetSerialNumber( drive
, *(DWORD
*)(dataptr
+ 2) );
3459 FIXME("Setting drive serial number is no longer supported\n");
3460 SetLastError( ERROR_NOT_SUPPORTED
);
3466 /******************************************************************
3467 * INT21_GetFreeDiskSpace
3470 static int INT21_GetFreeDiskSpace( CONTEXT86
*context
)
3472 DWORD cluster_sectors
, sector_bytes
, free_clusters
, total_clusters
;
3473 WCHAR root
[] = {'A',':','\\',0};
3474 const DWORD max_clusters
= 0x3d83;
3475 const DWORD max_sectors_per_cluster
= 0x7f;
3476 const DWORD max_bytes_per_sector
= 0x200;
3478 root
[0] += INT21_MapDrive(DL_reg(context
));
3479 if (!GetDiskFreeSpaceW( root
, &cluster_sectors
, §or_bytes
,
3480 &free_clusters
, &total_clusters
)) return 0;
3482 /* Some old win31 apps (Lotus SmartSuite 5.1) crap out if there's too
3483 * much disk space, so Windows XP seems to apply the following limits:
3484 * cluster_sectors <= 0x7f
3485 * sector size <= 0x200
3486 * clusters <= 0x3D83
3487 * This means total reported space is limited to about 1GB.
3490 /* Make sure bytes-per-sector is in [, max] */
3491 while (sector_bytes
> max_bytes_per_sector
) {
3493 free_clusters
<<= 1;
3494 total_clusters
<<= 1;
3496 /* Then make sure sectors-per-cluster is in [max/2, max]. */
3497 while (cluster_sectors
<= max_sectors_per_cluster
/2) {
3498 cluster_sectors
<<= 1;
3499 free_clusters
>>= 1;
3500 total_clusters
>>= 1;
3502 while (cluster_sectors
> max_sectors_per_cluster
) {
3503 cluster_sectors
>>= 1;
3504 free_clusters
<<= 1;
3505 total_clusters
<<= 1;
3508 /* scale up sectors_per_cluster to exactly max_sectors_per_cluster.
3509 * We could skip this, but that would impose an artificially low
3510 * limit on reported disk space.
3511 * To avoid overflow, first apply a preliminary cap on sector count;
3512 * this will not affect the correctness of the final result,
3513 * because if the preliminary cap hits, the final one will, too.
3515 if (total_clusters
> 4 * max_clusters
)
3516 total_clusters
= 4 * max_clusters
;
3517 if (free_clusters
> 4 * max_clusters
)
3518 free_clusters
= 4 * max_clusters
;
3519 if (cluster_sectors
< max_sectors_per_cluster
) {
3520 free_clusters
*= cluster_sectors
;
3521 free_clusters
/= max_sectors_per_cluster
;
3522 total_clusters
*= cluster_sectors
;
3523 total_clusters
/= max_sectors_per_cluster
;
3524 cluster_sectors
= max_sectors_per_cluster
;
3527 /* Finally, apply real cluster count cap. */
3528 if (total_clusters
> max_clusters
)
3529 total_clusters
= max_clusters
;
3530 if (free_clusters
> max_clusters
)
3531 free_clusters
= max_clusters
;
3533 SET_AX( context
, cluster_sectors
);
3534 SET_BX( context
, free_clusters
);
3535 SET_CX( context
, sector_bytes
);
3536 SET_DX( context
, total_clusters
);
3540 /******************************************************************
3541 * INT21_GetDriveAllocInfo
3544 static int INT21_GetDriveAllocInfo( CONTEXT86
*context
, BYTE drive
)
3548 drive
= INT21_MapDrive( drive
);
3549 if (!INT21_FillDrivePB( drive
)) return 0;
3550 dpb
= &(INT21_GetHeapPointer()->misc_dpb_list
[drive
]);
3551 SET_AL( context
, dpb
->cluster_sectors
+ 1 );
3552 SET_CX( context
, dpb
->sector_bytes
);
3553 SET_DX( context
, dpb
->num_clusters1
);
3555 context
->SegDs
= INT21_GetHeapSelector( context
);
3556 SET_BX( context
, offsetof( INT21_HEAP
, misc_dpb_list
[drive
].media_ID
) );
3560 /***********************************************************************
3561 * INT21_GetExtendedError
3563 static void INT21_GetExtendedError( CONTEXT86
*context
)
3565 BYTE
class, action
, locus
;
3566 WORD error
= GetLastError();
3571 class = action
= locus
= 0;
3573 case ERROR_DIR_NOT_EMPTY
:
3578 case ERROR_ACCESS_DENIED
:
3579 class = EC_AccessDenied
;
3583 case ERROR_CANNOT_MAKE
:
3584 class = EC_AccessDenied
;
3588 case ERROR_DISK_FULL
:
3589 case ERROR_HANDLE_DISK_FULL
:
3590 class = EC_MediaError
;
3594 case ERROR_FILE_EXISTS
:
3595 case ERROR_ALREADY_EXISTS
:
3600 case ERROR_FILE_NOT_FOUND
:
3601 class = EC_NotFound
;
3605 case ERROR_GEN_FAILURE
:
3606 class = EC_SystemFailure
;
3610 case ERROR_INVALID_DRIVE
:
3611 class = EC_MediaError
;
3615 case ERROR_INVALID_HANDLE
:
3616 class = EC_ProgramError
;
3620 case ERROR_LOCK_VIOLATION
:
3621 class = EC_AccessDenied
;
3625 case ERROR_NO_MORE_FILES
:
3626 class = EC_MediaError
;
3631 class = EC_NotFound
;
3635 case ERROR_NOT_ENOUGH_MEMORY
:
3636 class = EC_OutOfResource
;
3640 case ERROR_PATH_NOT_FOUND
:
3641 class = EC_NotFound
;
3646 class = EC_NotFound
;
3650 case ERROR_SHARING_VIOLATION
:
3651 class = EC_Temporary
;
3655 case ERROR_TOO_MANY_OPEN_FILES
:
3656 class = EC_ProgramError
;
3661 FIXME("Unknown error %d\n", error
);
3662 class = EC_SystemFailure
;
3667 TRACE("GET EXTENDED ERROR code 0x%02x class 0x%02x action 0x%02x locus %02x\n",
3668 error
, class, action
, locus
);
3669 SET_AX( context
, error
);
3670 SET_BH( context
, class );
3671 SET_BL( context
, action
);
3672 SET_CH( context
, locus
);
3675 static BOOL
INT21_CreateTempFile( CONTEXT86
*context
)
3677 static int counter
= 0;
3678 char *name
= CTX_SEG_OFF_TO_LIN(context
, context
->SegDs
, context
->Edx
);
3679 char *p
= name
+ strlen(name
);
3681 /* despite what Ralf Brown says, some programs seem to call without
3682 * ending backslash (DOS accepts that, so we accept it too) */
3683 if ((p
== name
) || (p
[-1] != '\\')) *p
++ = '\\';
3687 sprintf( p
, "wine%04x.%03d", (int)getpid(), counter
);
3688 counter
= (counter
+ 1) % 1000;
3691 Win32HandleToDosFileHandle(
3692 CreateFileA( name
, GENERIC_READ
| GENERIC_WRITE
,
3693 FILE_SHARE_READ
| FILE_SHARE_WRITE
, NULL
,
3694 CREATE_NEW
, 0, 0 ) ) );
3695 if (AX_reg(context
) != HFILE_ERROR16
)
3697 TRACE("created %s\n", name
);
3700 if (GetLastError() != ERROR_FILE_EXISTS
) return FALSE
;
3704 /***********************************************************************
3705 * DOSFS_ToDosFCBFormat
3707 * Convert a file name to DOS FCB format (8+3 chars, padded with blanks),
3708 * expanding wild cards and converting to upper-case in the process.
3709 * File name can be terminated by '\0', '\\' or '/'.
3710 * Return FALSE if the name is not a valid DOS name.
3711 * 'buffer' must be at least 12 characters long.
3713 /* Chars we don't want to see in DOS file names */
3714 static BOOL
INT21_ToDosFCBFormat( LPCWSTR name
, LPWSTR buffer
)
3716 static const WCHAR invalid_chars
[] = {'*','?','<','>','|','\\','"','+','=',',',';','[',']',' ','\345',0};
3720 /* Check for "." and ".." */
3725 for(i
= 1; i
< 11; i
++) buffer
[i
] = ' ';
3732 return (!*p
|| (*p
== '/') || (*p
== '\\'));
3735 for (i
= 0; i
< 8; i
++)
3752 if (strchrW( invalid_chars
, *p
)) return FALSE
;
3753 buffer
[i
] = toupperW(*p
);
3761 /* Skip all chars after wildcard up to first dot */
3762 while (*p
&& (*p
!= '/') && (*p
!= '\\') && (*p
!= '.')) p
++;
3766 /* Check if name too long */
3767 if (*p
&& (*p
!= '/') && (*p
!= '\\') && (*p
!= '.')) return FALSE
;
3769 if (*p
== '.') p
++; /* Skip dot */
3771 for (i
= 8; i
< 11; i
++)
3781 return FALSE
; /* Second extension not allowed */
3789 if (strchrW( invalid_chars
, *p
)) return FALSE
;
3790 buffer
[i
] = toupperW(*p
);
3797 /* at most 3 character of the extension are processed
3798 * is something behind this ?
3800 while (*p
== '*' || *p
== ' ') p
++; /* skip wildcards and spaces */
3801 return (!*p
|| (*p
== '/') || (*p
== '\\'));
3804 static HANDLE INT21_FindHandle
;
3805 static const WCHAR
*INT21_FindPath
; /* will point to current dta->fullPath search */
3807 /******************************************************************
3810 static int INT21_FindFirst( CONTEXT86
*context
)
3814 FINDFILE_DTA
*dta
= (FINDFILE_DTA
*)INT21_GetCurrentDTA(context
);
3815 WCHAR maskW
[12], pathW
[MAX_PATH
];
3816 static const WCHAR wildcardW
[] = {'*','.','*',0};
3818 path
= CTX_SEG_OFF_TO_LIN(context
, context
->SegDs
, context
->Edx
);
3819 MultiByteToWideChar(CP_OEMCP
, 0, path
, -1, pathW
, MAX_PATH
);
3821 p
= strrchrW( pathW
, '\\');
3822 q
= strrchrW( pathW
, '/');
3826 if (pathW
[0] && pathW
[1] == ':') p
= pathW
+ 2;
3831 /* Note: terminating NULL in dta->mask overwrites dta->search_attr
3832 * (doesn't matter as it is set below anyway)
3834 if (!INT21_ToDosFCBFormat( p
, maskW
))
3836 SetLastError( ERROR_FILE_NOT_FOUND
);
3837 SET_AX( context
, ERROR_FILE_NOT_FOUND
);
3841 WideCharToMultiByte(CP_OEMCP
, 0, maskW
, 12, dta
->mask
, sizeof(dta
->mask
), NULL
, NULL
);
3843 dta
->fullPath
= HeapAlloc( GetProcessHeap(), 0, sizeof(wildcardW
) + (p
- pathW
)*sizeof(WCHAR
) );
3844 memcpy( dta
->fullPath
, pathW
, (p
- pathW
) * sizeof(WCHAR
) );
3845 memcpy( dta
->fullPath
+ (p
- pathW
), wildcardW
, sizeof(wildcardW
) );
3846 /* we must have a fully qualified file name in dta->fullPath
3847 * (we could have a UNC path, but this would lead to some errors later on)
3849 dta
->drive
= toupperW(dta
->fullPath
[0]) - 'A';
3851 dta
->search_attr
= CL_reg(context
);
3855 /******************************************************************
3858 * Check is a short path name (DTA unicode) matches a mask (FCB ansi)
3860 static BOOL
match_short(LPCWSTR shortW
, LPCSTR maskA
)
3862 WCHAR mask
[11], file
[12];
3865 if (!INT21_ToDosFCBFormat( shortW
, file
)) return FALSE
;
3866 MultiByteToWideChar(CP_OEMCP
, 0, maskA
, 11, mask
, 11);
3867 for (i
= 0; i
< 11; i
++)
3868 if (mask
[i
] != '?' && mask
[i
] != file
[i
]) return FALSE
;
3872 static unsigned INT21_FindHelper(LPCWSTR fullPath
, unsigned drive
, unsigned count
,
3873 LPCSTR mask
, unsigned search_attr
,
3874 WIN32_FIND_DATAW
* entry
)
3878 if ((search_attr
& ~(FA_UNUSED
| FA_ARCHIVE
| FA_RDONLY
)) == FA_LABEL
)
3880 WCHAR path
[] = {' ',':',0};
3882 if (count
) return 0;
3883 path
[0] = drive
+ 'A';
3884 if (!GetVolumeInformationW(path
, entry
->cAlternateFileName
, 13, NULL
, NULL
, NULL
, NULL
, 0)) return 0;
3885 RtlSecondsSince1970ToTime( 0, (LARGE_INTEGER
*)&entry
->ftCreationTime
);
3886 RtlSecondsSince1970ToTime( 0, (LARGE_INTEGER
*)&entry
->ftLastAccessTime
);
3887 RtlSecondsSince1970ToTime( 0, (LARGE_INTEGER
*)&entry
->ftLastWriteTime
);
3888 entry
->dwFileAttributes
= FA_LABEL
;
3889 entry
->nFileSizeHigh
= entry
->nFileSizeLow
= 0;
3890 TRACE("returning %s as label\n", debugstr_w(entry
->cAlternateFileName
));
3894 if (!INT21_FindHandle
|| INT21_FindPath
!= fullPath
|| count
== 0)
3896 if (INT21_FindHandle
) FindClose(INT21_FindHandle
);
3897 INT21_FindHandle
= FindFirstFileW(fullPath
, entry
);
3898 if (INT21_FindHandle
== INVALID_HANDLE_VALUE
)
3900 INT21_FindHandle
= 0;
3903 INT21_FindPath
= fullPath
;
3904 /* we need to resync search */
3909 while (ncalls
-- != 0)
3911 if (!FindNextFileW(INT21_FindHandle
, entry
))
3913 FindClose(INT21_FindHandle
); INT21_FindHandle
= 0;
3917 while (count
< 0xffff)
3920 /* Check the file attributes, and path */
3921 if (!(entry
->dwFileAttributes
& ~search_attr
) &&
3922 match_short(entry
->cAlternateFileName
[0] ? entry
->cAlternateFileName
: entry
->cFileName
,
3927 if (!FindNextFileW(INT21_FindHandle
, entry
))
3929 FindClose(INT21_FindHandle
); INT21_FindHandle
= 0;
3933 WARN("Too many directory entries in %s\n", debugstr_w(fullPath
) );
3937 /******************************************************************
3940 static int INT21_FindNext( CONTEXT86
*context
)
3942 FINDFILE_DTA
*dta
= (FINDFILE_DTA
*)INT21_GetCurrentDTA(context
);
3943 DWORD attr
= dta
->search_attr
| FA_UNUSED
| FA_ARCHIVE
| FA_RDONLY
;
3944 WIN32_FIND_DATAW entry
;
3947 if (!dta
->fullPath
) return 0;
3949 n
= INT21_FindHelper(dta
->fullPath
, dta
->drive
, dta
->count
,
3950 dta
->mask
, attr
, &entry
);
3953 dta
->fileattr
= entry
.dwFileAttributes
;
3954 dta
->filesize
= entry
.nFileSizeLow
;
3955 FileTimeToDosDateTime( &entry
.ftLastWriteTime
, &dta
->filedate
, &dta
->filetime
);
3956 if (entry
.cAlternateFileName
[0])
3957 WideCharToMultiByte(CP_OEMCP
, 0, entry
.cAlternateFileName
, -1,
3958 dta
->filename
, 13, NULL
, NULL
);
3960 WideCharToMultiByte(CP_OEMCP
, 0, entry
.cFileName
, -1, dta
->filename
, 13, NULL
, NULL
);
3962 if (!memchr(dta
->mask
,'?',11))
3964 /* wildcardless search, release resources in case no findnext will
3965 * be issued, and as a workaround in case file creation messes up
3966 * findnext, as sometimes happens with pkunzip
3968 HeapFree( GetProcessHeap(), 0, dta
->fullPath
);
3969 INT21_FindPath
= dta
->fullPath
= NULL
;
3974 HeapFree( GetProcessHeap(), 0, dta
->fullPath
);
3975 INT21_FindPath
= dta
->fullPath
= NULL
;
3979 /* microsoft's programmers should be shot for using CP/M style int21
3980 calls in Windows for Workgroup's winfile.exe */
3982 /******************************************************************
3983 * INT21_FindFirstFCB
3986 static int INT21_FindFirstFCB( CONTEXT86
*context
)
3988 BYTE
*fcb
= CTX_SEG_OFF_TO_LIN(context
, context
->SegDs
, context
->Edx
);
3991 WCHAR p
[] = {' ',':',};
3993 if (*fcb
== 0xff) pFCB
= (FINDFILE_FCB
*)(fcb
+ 7);
3994 else pFCB
= (FINDFILE_FCB
*)fcb
;
3995 drive
= INT21_MapDrive( pFCB
->drive
);
3996 if (drive
== MAX_DOS_DRIVES
) return 0;
3999 pFCB
->fullPath
= HeapAlloc(GetProcessHeap(), 0, MAX_PATH
* sizeof(WCHAR
));
4000 if (!pFCB
->fullPath
) return 0;
4001 GetLongPathNameW(p
, pFCB
->fullPath
, MAX_PATH
);
4006 /******************************************************************
4010 static int INT21_FindNextFCB( CONTEXT86
*context
)
4012 BYTE
*fcb
= CTX_SEG_OFF_TO_LIN(context
, context
->SegDs
, context
->Edx
);
4014 LPBYTE pResult
= INT21_GetCurrentDTA(context
);
4015 DOS_DIRENTRY_LAYOUT
*ddl
;
4016 WIN32_FIND_DATAW entry
;
4021 if (*fcb
== 0xff) /* extended FCB ? */
4024 pFCB
= (FINDFILE_FCB
*)(fcb
+ 7);
4029 pFCB
= (FINDFILE_FCB
*)fcb
;
4032 if (!pFCB
->fullPath
) return 0;
4033 n
= INT21_FindHelper(pFCB
->fullPath
, INT21_MapDrive( pFCB
->drive
),
4034 pFCB
->count
, pFCB
->filename
, attr
, &entry
);
4037 HeapFree( GetProcessHeap(), 0, pFCB
->fullPath
);
4038 INT21_FindPath
= pFCB
->fullPath
= NULL
;
4045 /* place extended FCB header before pResult if called with extended FCB */
4047 pResult
+= 6; /* leave reserved field behind */
4048 *pResult
++ = entry
.dwFileAttributes
;
4050 *pResult
++ = INT21_MapDrive( pFCB
->drive
); /* DOS_DIRENTRY_LAYOUT after current drive number */
4051 ddl
= (DOS_DIRENTRY_LAYOUT
*)pResult
;
4052 ddl
->fileattr
= entry
.dwFileAttributes
;
4053 ddl
->cluster
= 0; /* what else? */
4054 ddl
->filesize
= entry
.nFileSizeLow
;
4055 memset( ddl
->reserved
, 0, sizeof(ddl
->reserved
) );
4056 FileTimeToDosDateTime( &entry
.ftLastWriteTime
,
4057 &ddl
->filedate
, &ddl
->filetime
);
4059 /* Convert file name to FCB format */
4060 if (entry
.cAlternateFileName
[0])
4061 INT21_ToDosFCBFormat( entry
.cAlternateFileName
, nameW
);
4063 INT21_ToDosFCBFormat( entry
.cFileName
, nameW
);
4064 WideCharToMultiByte(CP_OEMCP
, 0, nameW
, 11, ddl
->filename
, 11, NULL
, NULL
);
4069 /******************************************************************
4070 * INT21_ParseFileNameIntoFCB
4073 static void INT21_ParseFileNameIntoFCB( CONTEXT86
*context
)
4076 CTX_SEG_OFF_TO_LIN(context
, context
->SegDs
, context
->Esi
);
4078 CTX_SEG_OFF_TO_LIN(context
, context
->SegEs
, context
->Edi
);
4082 INT buffer_len
, len
;
4084 SET_AL( context
, 0xff ); /* failed */
4086 TRACE("filename: '%s'\n", filename
);
4089 while (*s
&& (*s
!= ' ') && (*s
!= '\r') && (*s
!= '\n'))
4093 buffer_len
= MultiByteToWideChar(CP_OEMCP
, 0, filename
, len
, NULL
, 0);
4094 buffer
= HeapAlloc( GetProcessHeap(), 0, (buffer_len
+ 1) * sizeof(WCHAR
));
4095 len
= MultiByteToWideChar(CP_OEMCP
, 0, filename
, len
, buffer
, buffer_len
);
4097 INT21_ToDosFCBFormat(buffer
, fcbW
);
4098 HeapFree(GetProcessHeap(), 0, buffer
);
4099 WideCharToMultiByte(CP_OEMCP
, 0, fcbW
, 12, fcb
+ 1, 12, NULL
, NULL
);
4101 TRACE("FCB: '%s'\n", fcb
+ 1);
4103 SET_AL( context
, ((strchr(filename
, '*')) || (strchr(filename
, '$'))) != 0 );
4105 /* point DS:SI to first unparsed character */
4106 SET_SI( context
, context
->Esi
+ (int)s
- (int)filename
);
4109 static BOOL
INT21_Dup2(HFILE16 hFile1
, HFILE16 hFile2
)
4111 HFILE16 res
= HFILE_ERROR16
;
4112 HANDLE handle
, new_handle
;
4113 #define DOS_TABLE_SIZE 256
4114 DWORD map
[DOS_TABLE_SIZE
/ 32];
4117 handle
= DosFileHandleToWin32Handle(hFile1
);
4118 if (handle
== INVALID_HANDLE_VALUE
)
4122 /* now loop to allocate the same one... */
4123 memset(map
, 0, sizeof(map
));
4124 for (i
= 0; i
< DOS_TABLE_SIZE
; i
++)
4126 if (!DuplicateHandle(GetCurrentProcess(), handle
,
4127 GetCurrentProcess(), &new_handle
,
4128 0, FALSE
, DUPLICATE_SAME_ACCESS
))
4130 res
= HFILE_ERROR16
;
4133 res
= Win32HandleToDosFileHandle(new_handle
);
4134 if (res
== HFILE_ERROR16
|| res
== hFile2
) break;
4135 map
[res
/ 32] |= 1 << (res
% 32);
4137 /* clean up the allocated slots */
4138 for (i
= 0; i
< DOS_TABLE_SIZE
; i
++)
4140 if (map
[i
/ 32] & (1 << (i
% 32)))
4141 _lclose16((HFILE16
)i
);
4143 return res
== hFile2
;
4147 /***********************************************************************
4148 * DOSVM_Int21Handler
4150 * Interrupt 0x21 handler.
4152 void WINAPI
DOSVM_Int21Handler( CONTEXT86
*context
)
4154 BOOL bSetDOSExtendedError
= FALSE
;
4156 TRACE( "AX=%04x BX=%04x CX=%04x DX=%04x "
4157 "SI=%04x DI=%04x DS=%04x ES=%04x EFL=%08x\n",
4158 AX_reg(context
), BX_reg(context
),
4159 CX_reg(context
), DX_reg(context
),
4160 SI_reg(context
), DI_reg(context
),
4161 (WORD
)context
->SegDs
, (WORD
)context
->SegEs
,
4165 * Extended error is used by (at least) functions 0x2f to 0x62.
4166 * Function 0x59 returns extended error and error should not
4167 * be cleared before handling the function.
4169 if (AH_reg(context
) >= 0x2f && AH_reg(context
) != 0x59)
4172 RESET_CFLAG(context
); /* Not sure if this is a good idea. */
4174 switch(AH_reg(context
))
4176 case 0x00: /* TERMINATE PROGRAM */
4177 TRACE("TERMINATE PROGRAM\n");
4178 if (DOSVM_IsWin16())
4180 else if(ISV86(context
))
4181 MZ_Exit( context
, FALSE
, 0 );
4183 ERR( "Called from DOS protected mode\n" );
4186 case 0x01: /* READ CHARACTER FROM STANDARD INPUT, WITH ECHO */
4189 TRACE("DIRECT CHARACTER INPUT WITH ECHO\n");
4190 INT21_ReadChar( &ascii
, context
);
4191 SET_AL( context
, ascii
);
4193 * FIXME: What to echo when extended keycodes are read?
4195 DOSVM_PutChar(AL_reg(context
));
4199 case 0x02: /* WRITE CHARACTER TO STANDARD OUTPUT */
4200 TRACE("Write Character to Standard Output\n");
4201 DOSVM_PutChar(DL_reg(context
));
4204 case 0x03: /* READ CHARACTER FROM STDAUX */
4205 case 0x04: /* WRITE CHARACTER TO STDAUX */
4206 case 0x05: /* WRITE CHARACTER TO PRINTER */
4207 INT_BARF( context
, 0x21 );
4210 case 0x06: /* DIRECT CONSOLE IN/OUTPUT */
4211 if (DL_reg(context
) == 0xff)
4213 TRACE("Direct Console Input\n");
4215 if (INT21_ReadChar( NULL
, NULL
))
4218 INT21_ReadChar( &ascii
, context
);
4219 SET_AL( context
, ascii
);
4220 RESET_ZFLAG( context
);
4224 /* no character available */
4225 SET_AL( context
, 0 );
4226 SET_ZFLAG( context
);
4231 TRACE("Direct Console Output\n");
4232 DOSVM_PutChar(DL_reg(context
));
4234 * At least DOS versions 2.1-7.0 return character
4235 * that was written in AL register.
4237 SET_AL( context
, DL_reg(context
) );
4241 case 0x07: /* DIRECT CHARACTER INPUT WITHOUT ECHO */
4244 TRACE("DIRECT CHARACTER INPUT WITHOUT ECHO\n");
4245 INT21_ReadChar( &ascii
, context
);
4246 SET_AL( context
, ascii
);
4250 case 0x08: /* CHARACTER INPUT WITHOUT ECHO */
4253 TRACE("CHARACTER INPUT WITHOUT ECHO\n");
4254 INT21_ReadChar( &ascii
, context
);
4255 SET_AL( context
, ascii
);
4259 case 0x09: /* WRITE STRING TO STANDARD OUTPUT */
4260 TRACE("WRITE '$'-terminated string from %04X:%04X to stdout\n",
4261 context
->SegDs
, DX_reg(context
) );
4263 LPSTR data
= CTX_SEG_OFF_TO_LIN( context
,
4264 context
->SegDs
, context
->Edx
);
4268 * Do NOT use strchr() to calculate the string length,
4269 * as '\0' is valid string content, too!
4270 * Maybe we should check for non-'$' strings, but DOS doesn't.
4272 while (*p
!= '$') p
++;
4274 if (DOSVM_IsWin16())
4275 WriteFile( DosFileHandleToWin32Handle(1),
4276 data
, p
- data
, &w
, NULL
);
4278 for(; data
!= p
; data
++)
4279 DOSVM_PutChar( *data
);
4281 SET_AL( context
, '$' ); /* yes, '$' (0x24) gets returned in AL */
4285 case 0x0a: /* BUFFERED INPUT */
4287 BYTE
*ptr
= CTX_SEG_OFF_TO_LIN(context
,
4292 TRACE( "BUFFERED INPUT (size=%d)\n", ptr
[0] );
4295 * FIXME: Some documents state that
4296 * ptr[1] holds number of chars from last input which
4297 * may be recalled on entry, other documents do not mention
4301 TRACE( "Handle old chars in buffer!\n" );
4304 * ptr[0] - capacity (includes terminating CR)
4305 * ptr[1] - characters read (excludes terminating CR)
4307 result
= INT21_BufferedInput( context
, ptr
+ 2, ptr
[0] );
4309 ptr
[1] = (BYTE
)result
- 1;
4315 case 0x0b: /* GET STDIN STATUS */
4316 TRACE( "GET STDIN STATUS\n" );
4318 if (INT21_ReadChar( NULL
, NULL
))
4319 SET_AL( context
, 0xff ); /* character available */
4321 SET_AL( context
, 0 ); /* no character available */
4325 case 0x0c: /* FLUSH BUFFER AND READ STANDARD INPUT */
4327 BYTE al
= AL_reg(context
); /* Input function to execute after flush. */
4329 TRACE( "FLUSH BUFFER AND READ STANDARD INPUT - 0x%02x\n", al
);
4331 /* FIXME: buffers are not flushed */
4334 * If AL is one of 0x01, 0x06, 0x07, 0x08, or 0x0a,
4335 * int21 function identified by AL will be called.
4337 if(al
== 0x01 || al
== 0x06 || al
== 0x07 || al
== 0x08 || al
== 0x0a)
4339 SET_AH( context
, al
);
4340 DOSVM_Int21Handler( context
);
4345 case 0x0d: /* DISK BUFFER FLUSH */
4346 TRACE("DISK BUFFER FLUSH ignored\n");
4349 case 0x0e: /* SELECT DEFAULT DRIVE */
4350 TRACE( "SELECT DEFAULT DRIVE - %c:\n", 'A' + DL_reg(context
) );
4351 INT21_SetCurrentDrive( DL_reg(context
) );
4352 SET_AL( context
, MAX_DOS_DRIVES
);
4355 case 0x0f: /* OPEN FILE USING FCB */
4356 INT21_OpenFileUsingFCB( context
);
4359 case 0x10: /* CLOSE FILE USING FCB */
4360 INT21_CloseFileUsingFCB( context
);
4363 case 0x11: /* FIND FIRST MATCHING FILE USING FCB */
4364 TRACE("FIND FIRST MATCHING FILE USING FCB %p\n",
4365 CTX_SEG_OFF_TO_LIN(context
, context
->SegDs
, context
->Edx
));
4366 if (!INT21_FindFirstFCB(context
))
4368 SET_AL( context
, 0xff );
4371 /* else fall through */
4373 case 0x12: /* FIND NEXT MATCHING FILE USING FCB */
4374 SET_AL( context
, INT21_FindNextFCB(context
) ? 0x00 : 0xff );
4377 case 0x13: /* DELETE FILE USING FCB */
4378 INT_BARF( context
, 0x21 );
4381 case 0x14: /* SEQUENTIAL READ FROM FCB FILE */
4382 INT21_SequentialReadFromFCB( context
);
4385 case 0x15: /* SEQUENTIAL WRITE TO FCB FILE */
4386 INT21_SequentialWriteToFCB( context
);
4389 case 0x16: /* CREATE OR TRUNCATE FILE USING FCB */
4390 case 0x17: /* RENAME FILE USING FCB */
4391 INT_BARF( context
, 0x21 );
4394 case 0x18: /* NULL FUNCTION FOR CP/M COMPATIBILITY */
4395 SET_AL( context
, 0 );
4398 case 0x19: /* GET CURRENT DEFAULT DRIVE */
4399 SET_AL( context
, INT21_GetCurrentDrive() );
4400 TRACE( "GET CURRENT DRIVE -> %c:\n", 'A' + AL_reg( context
) );
4403 case 0x1a: /* SET DISK TRANSFER AREA ADDRESS */
4404 TRACE( "SET DISK TRANSFER AREA ADDRESS %04X:%04X\n",
4405 context
->SegDs
, DX_reg(context
) );
4407 TDB
*task
= GlobalLock16( GetCurrentTask() );
4408 task
->dta
= MAKESEGPTR( context
->SegDs
, DX_reg(context
) );
4412 case 0x1b: /* GET ALLOCATION INFORMATION FOR DEFAULT DRIVE */
4413 if (!INT21_GetDriveAllocInfo(context
, 0))
4414 SET_AX( context
, 0xffff );
4417 case 0x1c: /* GET ALLOCATION INFORMATION FOR SPECIFIC DRIVE */
4418 if (!INT21_GetDriveAllocInfo(context
, DL_reg(context
)))
4419 SET_AX( context
, 0xffff );
4422 case 0x1d: /* NULL FUNCTION FOR CP/M COMPATIBILITY */
4423 case 0x1e: /* NULL FUNCTION FOR CP/M COMPATIBILITY */
4424 SET_AL( context
, 0 );
4427 case 0x1f: /* GET DRIVE PARAMETER BLOCK FOR DEFAULT DRIVE */
4429 BYTE drive
= INT21_MapDrive( 0 );
4430 TRACE( "GET DPB FOR DEFAULT DRIVE\n" );
4432 if (INT21_FillDrivePB( drive
))
4434 SET_AL( context
, 0x00 ); /* success */
4435 SET_BX( context
, offsetof( INT21_HEAP
, misc_dpb_list
[drive
] ) );
4436 context
->SegDs
= INT21_GetHeapSelector( context
);
4440 SET_AL( context
, 0xff ); /* invalid or network drive */
4445 case 0x20: /* NULL FUNCTION FOR CP/M COMPATIBILITY */
4446 SET_AL( context
, 0 );
4449 case 0x21: /* READ RANDOM RECORD FROM FCB FILE */
4450 INT21_ReadRandomRecordFromFCB( context
);
4453 case 0x22: /* WRITE RANDOM RECORD TO FCB FILE */
4454 INT21_WriteRandomRecordToFCB( context
);
4457 case 0x23: /* GET FILE SIZE FOR FCB */
4458 case 0x24: /* SET RANDOM RECORD NUMBER FOR FCB */
4459 INT_BARF( context
, 0x21 );
4462 case 0x25: /* SET INTERRUPT VECTOR */
4463 TRACE("SET INTERRUPT VECTOR 0x%02x\n",AL_reg(context
));
4465 FARPROC16 ptr
= (FARPROC16
)MAKESEGPTR( context
->SegDs
, DX_reg(context
) );
4466 if (!ISV86(context
) && DOSVM_IsWin16())
4467 DOSVM_SetPMHandler16( AL_reg(context
), ptr
);
4469 DOSVM_SetRMHandler( AL_reg(context
), ptr
);
4473 case 0x26: /* CREATE NEW PROGRAM SEGMENT PREFIX */
4474 INT_BARF( context
, 0x21 );
4477 case 0x27: /* RANDOM BLOCK READ FROM FCB FILE */
4478 INT21_RandomBlockReadFromFCB( context
);
4481 case 0x28: /* RANDOM BLOCK WRITE TO FCB FILE */
4482 INT21_RandomBlockWriteToFCB( context
);
4485 case 0x29: /* PARSE FILENAME INTO FCB */
4486 INT21_ParseFileNameIntoFCB(context
);
4489 case 0x2a: /* GET SYSTEM DATE */
4490 TRACE( "GET SYSTEM DATE\n" );
4493 GetLocalTime( &systime
);
4494 SET_CX( context
, systime
.wYear
);
4495 SET_DH( context
, systime
.wMonth
);
4496 SET_DL( context
, systime
.wDay
);
4497 SET_AL( context
, systime
.wDayOfWeek
);
4501 case 0x2b: /* SET SYSTEM DATE */
4502 TRACE( "SET SYSTEM DATE\n" );
4504 WORD year
= CX_reg(context
);
4505 BYTE month
= DH_reg(context
);
4506 BYTE day
= DL_reg(context
);
4508 if (year
>= 1980 && year
<= 2099 &&
4509 month
>= 1 && month
<= 12 &&
4510 day
>= 1 && day
<= 31)
4512 FIXME( "SetSystemDate(%02d/%02d/%04d): not allowed\n",
4514 SET_AL( context
, 0 ); /* Let's pretend we succeeded */
4518 SET_AL( context
, 0xff ); /* invalid date */
4519 TRACE( "SetSystemDate(%02d/%02d/%04d): invalid date\n",
4525 case 0x2c: /* GET SYSTEM TIME */
4526 TRACE( "GET SYSTEM TIME\n" );
4529 GetLocalTime( &systime
);
4530 SET_CH( context
, systime
.wHour
);
4531 SET_CL( context
, systime
.wMinute
);
4532 SET_DH( context
, systime
.wSecond
);
4533 SET_DL( context
, systime
.wMilliseconds
/ 10 );
4537 case 0x2d: /* SET SYSTEM TIME */
4538 if( CH_reg(context
) >= 24 || CL_reg(context
) >= 60 || DH_reg(context
) >= 60 || DL_reg(context
) >= 100 ) {
4539 TRACE("SetSystemTime(%02d:%02d:%02d.%02d): wrong time\n",
4540 CH_reg(context
), CL_reg(context
),
4541 DH_reg(context
), DL_reg(context
) );
4542 SET_AL( context
, 0xFF );
4546 FIXME("SetSystemTime(%02d:%02d:%02d.%02d): not allowed\n",
4547 CH_reg(context
), CL_reg(context
),
4548 DH_reg(context
), DL_reg(context
) );
4549 SET_AL( context
, 0 ); /* Let's pretend we succeeded */
4553 case 0x2e: /* SET VERIFY FLAG */
4554 TRACE("SET VERIFY FLAG ignored\n");
4555 /* we cannot change the behaviour anyway, so just ignore it */
4558 case 0x2f: /* GET DISK TRANSFER AREA ADDRESS */
4559 TRACE( "GET DISK TRANSFER AREA ADDRESS\n" );
4561 TDB
*task
= GlobalLock16( GetCurrentTask() );
4562 context
->SegEs
= SELECTOROF( task
->dta
);
4563 SET_BX( context
, OFFSETOF( task
->dta
) );
4567 case 0x30: /* GET DOS VERSION */
4568 TRACE( "GET DOS VERSION - %s requested\n",
4569 (AL_reg(context
) == 0x00) ? "OEM number" : "version flag" );
4571 if (AL_reg(context
) == 0x00)
4572 SET_BH( context
, 0xff ); /* OEM number => undefined */
4574 SET_BH( context
, 0x08 ); /* version flag => DOS is in ROM */
4576 SET_AL( context
, HIBYTE(HIWORD(GetVersion16())) ); /* major version */
4577 SET_AH( context
, LOBYTE(HIWORD(GetVersion16())) ); /* minor version */
4579 SET_BL( context
, 0x12 ); /* 0x123456 is 24-bit Wine's serial # */
4580 SET_CX( context
, 0x3456 );
4583 case 0x31: /* TERMINATE AND STAY RESIDENT */
4584 FIXME("TERMINATE AND STAY RESIDENT stub\n");
4587 case 0x32: /* GET DOS DRIVE PARAMETER BLOCK FOR SPECIFIC DRIVE */
4589 BYTE drive
= INT21_MapDrive( DL_reg(context
) );
4590 TRACE( "GET DPB FOR SPECIFIC DRIVE %d\n", DL_reg(context
) );
4592 if (INT21_FillDrivePB( drive
))
4594 SET_AL( context
, 0x00 ); /* success */
4595 SET_DX( context
, offsetof( INT21_HEAP
, misc_dpb_list
[drive
] ) );
4596 context
->SegDs
= INT21_GetHeapSelector( context
);
4600 SET_AL( context
, 0xff ); /* invalid or network drive */
4605 case 0x33: /* MULTIPLEXED */
4606 switch (AL_reg(context
))
4608 case 0x00: /* GET CURRENT EXTENDED BREAK STATE */
4609 TRACE("GET CURRENT EXTENDED BREAK STATE\n");
4610 SET_DL( context
, DOSCONF_GetConfig()->brk_flag
);
4613 case 0x01: /* SET EXTENDED BREAK STATE */
4614 TRACE("SET CURRENT EXTENDED BREAK STATE\n");
4615 DOSCONF_GetConfig()->brk_flag
= (DL_reg(context
) > 0) ? 1 : 0;
4618 case 0x02: /* GET AND SET EXTENDED CONTROL-BREAK CHECKING STATE*/
4619 TRACE("GET AND SET EXTENDED CONTROL-BREAK CHECKING STATE\n");
4620 /* ugly coding in order to stay reentrant */
4621 if (DL_reg(context
))
4623 SET_DL( context
, DOSCONF_GetConfig()->brk_flag
);
4624 DOSCONF_GetConfig()->brk_flag
= 1;
4628 SET_DL( context
, DOSCONF_GetConfig()->brk_flag
);
4629 DOSCONF_GetConfig()->brk_flag
= 0;
4633 case 0x05: /* GET BOOT DRIVE */
4634 TRACE("GET BOOT DRIVE\n");
4635 SET_DL( context
, 3 );
4636 /* c: is Wine's bootdrive (a: is 1)*/
4639 case 0x06: /* GET TRUE VERSION NUMBER */
4640 TRACE("GET TRUE VERSION NUMBER\n");
4641 SET_BL( context
, HIBYTE(HIWORD(GetVersion16())) ); /* major */
4642 SET_BH( context
, LOBYTE(HIWORD(GetVersion16())) ); /* minor */
4643 SET_DL( context
, 0x00 ); /* revision */
4644 SET_DH( context
, 0x08 ); /* DOS is in ROM */
4648 INT_BARF( context
, 0x21 );
4653 case 0x34: /* GET ADDRESS OF INDOS FLAG */
4654 TRACE( "GET ADDRESS OF INDOS FLAG\n" );
4655 context
->SegEs
= INT21_GetHeapSelector( context
);
4656 SET_BX( context
, offsetof(INT21_HEAP
, misc_indos
) );
4659 case 0x35: /* GET INTERRUPT VECTOR */
4660 TRACE("GET INTERRUPT VECTOR 0x%02x\n",AL_reg(context
));
4663 if (!ISV86(context
) && DOSVM_IsWin16())
4664 addr
= DOSVM_GetPMHandler16( AL_reg(context
) );
4666 addr
= DOSVM_GetRMHandler( AL_reg(context
) );
4667 context
->SegEs
= SELECTOROF(addr
);
4668 SET_BX( context
, OFFSETOF(addr
) );
4672 case 0x36: /* GET FREE DISK SPACE */
4673 TRACE("GET FREE DISK SPACE FOR DRIVE %s (limited to about 1GB)\n",
4674 INT21_DriveName( DL_reg(context
) ));
4675 if (!INT21_GetFreeDiskSpace(context
)) SET_AX( context
, 0xffff );
4678 case 0x37: /* SWITCHAR */
4680 switch (AL_reg(context
))
4682 case 0x00: /* "SWITCHAR" - GET SWITCH CHARACTER */
4683 TRACE( "SWITCHAR - GET SWITCH CHARACTER\n" );
4684 SET_AL( context
, 0x00 ); /* success*/
4685 SET_DL( context
, '/' );
4687 case 0x01: /*"SWITCHAR" - SET SWITCH CHARACTER*/
4688 FIXME( "SWITCHAR - SET SWITCH CHARACTER: %c\n",
4690 SET_AL( context
, 0x00 ); /* success*/
4693 INT_BARF( context
, 0x21 );
4699 case 0x38: /* GET COUNTRY-SPECIFIC INFORMATION */
4700 TRACE( "GET COUNTRY-SPECIFIC INFORMATION\n" );
4701 if (AL_reg(context
))
4703 WORD country
= AL_reg(context
);
4704 if (country
== 0xff)
4705 country
= BX_reg(context
);
4706 if (country
!= INT21_GetSystemCountryCode()) {
4707 FIXME( "Requested info on non-default country %04x\n", country
);
4712 if(AX_reg(context
) != 2 )
4714 INT21_FillCountryInformation( CTX_SEG_OFF_TO_LIN(context
,
4717 SET_AX( context
, INT21_GetSystemCountryCode() );
4718 SET_BX( context
, INT21_GetSystemCountryCode() );
4719 RESET_CFLAG(context
);
4723 case 0x39: /* "MKDIR" - CREATE SUBDIRECTORY */
4724 if (!INT21_CreateDirectory( context
))
4725 bSetDOSExtendedError
= TRUE
;
4727 RESET_CFLAG(context
);
4730 case 0x3a: /* "RMDIR" - REMOVE DIRECTORY */
4732 WCHAR dirW
[MAX_PATH
];
4733 char *dirA
= CTX_SEG_OFF_TO_LIN(context
,
4734 context
->SegDs
, context
->Edx
);
4736 TRACE( "REMOVE DIRECTORY %s\n", dirA
);
4738 MultiByteToWideChar(CP_OEMCP
, 0, dirA
, -1, dirW
, MAX_PATH
);
4740 if (!RemoveDirectoryW( dirW
))
4741 bSetDOSExtendedError
= TRUE
;
4743 RESET_CFLAG(context
);
4747 case 0x3b: /* "CHDIR" - SET CURRENT DIRECTORY */
4748 if (!INT21_SetCurrentDirectory( context
))
4749 bSetDOSExtendedError
= TRUE
;
4751 RESET_CFLAG(context
);
4754 case 0x3c: /* "CREAT" - CREATE OR TRUNCATE FILE */
4755 if (!INT21_CreateFile( context
, context
->Edx
, FALSE
,
4756 OF_READWRITE
| OF_SHARE_COMPAT
, 0x12 ))
4757 bSetDOSExtendedError
= TRUE
;
4759 RESET_CFLAG(context
);
4762 case 0x3d: /* "OPEN" - OPEN EXISTING FILE */
4763 if (!INT21_CreateFile( context
, context
->Edx
, FALSE
,
4764 AL_reg(context
), 0x01 ))
4765 bSetDOSExtendedError
= TRUE
;
4767 RESET_CFLAG(context
);
4770 case 0x3e: /* "CLOSE" - CLOSE FILE */
4771 TRACE( "CLOSE handle %d\n", BX_reg(context
) );
4772 if (_lclose16( BX_reg(context
) ) == HFILE_ERROR16
)
4773 bSetDOSExtendedError
= TRUE
;
4775 RESET_CFLAG(context
);
4778 case 0x3f: /* "READ" - READ FROM FILE OR DEVICE */
4779 TRACE( "READ from %d to %04X:%04X for %d bytes\n",
4786 WORD count
= CX_reg(context
);
4787 BYTE
*buffer
= CTX_SEG_OFF_TO_LIN( context
,
4791 /* Some programs pass a count larger than the allocated buffer */
4792 if (DOSVM_IsWin16())
4794 DWORD maxcount
= GetSelectorLimit16( context
->SegDs
)
4795 - DX_reg(context
) + 1;
4796 if (count
> maxcount
)
4801 * FIXME: Reading from console (BX=1) in DOS mode
4802 * does not work as it is supposed to work.
4805 RESET_CFLAG(context
); /* set if error */
4806 if (!DOSVM_IsWin16() && BX_reg(context
) == 0)
4808 result
= INT21_BufferedInput( context
, buffer
, count
);
4809 SET_AX( context
, (WORD
)result
);
4811 else if (ReadFile( DosFileHandleToWin32Handle(BX_reg(context
)),
4812 buffer
, count
, &result
, NULL
))
4813 SET_AX( context
, (WORD
)result
);
4815 bSetDOSExtendedError
= TRUE
;
4819 case 0x40: /* "WRITE" - WRITE TO FILE OR DEVICE */
4820 TRACE( "WRITE from %04X:%04X to handle %d for %d byte\n",
4821 context
->SegDs
, DX_reg(context
),
4822 BX_reg(context
), CX_reg(context
) );
4824 char *ptr
= CTX_SEG_OFF_TO_LIN(context
, context
->SegDs
, context
->Edx
);
4826 if (!DOSVM_IsWin16() &&
4827 (BX_reg(context
) == 1 || BX_reg(context
) == 2))
4830 for(i
=0; i
<CX_reg(context
); i
++)
4831 DOSVM_PutChar(ptr
[i
]);
4832 SET_AX(context
, CX_reg(context
));
4833 RESET_CFLAG(context
);
4837 HFILE handle
= (HFILE
)DosFileHandleToWin32Handle(BX_reg(context
));
4838 LONG result
= _hwrite( handle
, ptr
, CX_reg(context
) );
4839 if (result
== HFILE_ERROR
)
4840 bSetDOSExtendedError
= TRUE
;
4843 SET_AX( context
, (WORD
)result
);
4844 RESET_CFLAG(context
);
4850 case 0x41: /* "UNLINK" - DELETE FILE */
4852 WCHAR fileW
[MAX_PATH
];
4853 char *fileA
= CTX_SEG_OFF_TO_LIN(context
,
4857 TRACE( "UNLINK %s\n", fileA
);
4858 MultiByteToWideChar(CP_OEMCP
, 0, fileA
, -1, fileW
, MAX_PATH
);
4860 if (!DeleteFileW( fileW
))
4861 bSetDOSExtendedError
= TRUE
;
4863 RESET_CFLAG(context
);
4867 case 0x42: /* "LSEEK" - SET CURRENT FILE POSITION */
4868 TRACE( "LSEEK handle %d offset %d from %s\n",
4870 MAKELONG( DX_reg(context
), CX_reg(context
) ),
4871 (AL_reg(context
) == 0) ?
4872 "start of file" : ((AL_reg(context
) == 1) ?
4873 "current file position" : "end of file") );
4875 HANDLE handle
= DosFileHandleToWin32Handle(BX_reg(context
));
4876 LONG offset
= MAKELONG( DX_reg(context
), CX_reg(context
) );
4877 DWORD status
= SetFilePointer( handle
, offset
,
4878 NULL
, AL_reg(context
) );
4879 if (status
== INVALID_SET_FILE_POINTER
)
4880 bSetDOSExtendedError
= TRUE
;
4883 SET_AX( context
, LOWORD(status
) );
4884 SET_DX( context
, HIWORD(status
) );
4885 RESET_CFLAG(context
);
4890 case 0x43: /* FILE ATTRIBUTES */
4891 if (!INT21_FileAttributes( context
, AL_reg(context
), FALSE
))
4892 bSetDOSExtendedError
= TRUE
;
4894 RESET_CFLAG(context
);
4897 case 0x44: /* IOCTL */
4898 INT21_Ioctl( context
);
4901 case 0x45: /* "DUP" - DUPLICATE FILE HANDLE */
4902 TRACE( "DUPLICATE FILE HANDLE %d\n", BX_reg(context
) );
4905 HFILE handle16
= HFILE_ERROR
;
4907 if (DuplicateHandle( GetCurrentProcess(),
4908 DosFileHandleToWin32Handle(BX_reg(context
)),
4909 GetCurrentProcess(),
4911 0, TRUE
, DUPLICATE_SAME_ACCESS
))
4912 handle16
= Win32HandleToDosFileHandle(handle32
);
4914 if (handle16
== HFILE_ERROR
)
4915 bSetDOSExtendedError
= TRUE
;
4918 SET_AX( context
, handle16
);
4919 RESET_CFLAG(context
);
4924 case 0x46: /* "DUP2", "FORCEDUP" - FORCE DUPLICATE FILE HANDLE */
4925 TRACE( "FORCEDUP - FORCE DUPLICATE FILE HANDLE %d to %d\n",
4926 BX_reg(context
), CX_reg(context
) );
4927 if (!INT21_Dup2(BX_reg(context
), CX_reg(context
)))
4928 bSetDOSExtendedError
= TRUE
;
4930 RESET_CFLAG(context
);
4933 case 0x47: /* "CWD" - GET CURRENT DIRECTORY */
4934 if (!INT21_GetCurrentDirectory( context
, FALSE
))
4935 bSetDOSExtendedError
= TRUE
;
4937 RESET_CFLAG(context
);
4940 case 0x48: /* ALLOCATE MEMORY */
4941 TRACE( "ALLOCATE MEMORY for %d paragraphs\n", BX_reg(context
) );
4944 DWORD bytes
= (DWORD
)BX_reg(context
) << 4;
4946 if (!ISV86(context
) && DOSVM_IsWin16())
4948 DWORD rv
= GlobalDOSAlloc16( bytes
);
4949 selector
= LOWORD( rv
);
4952 DOSMEM_AllocBlock( bytes
, &selector
);
4956 SET_AX( context
, selector
);
4957 RESET_CFLAG(context
);
4962 SET_AX( context
, 0x0008 ); /* insufficient memory */
4963 SET_BX( context
, DOSMEM_Available() >> 4 );
4968 case 0x49: /* FREE MEMORY */
4969 TRACE( "FREE MEMORY segment %04X\n", context
->SegEs
);
4973 if (!ISV86(context
) && DOSVM_IsWin16())
4975 ok
= !GlobalDOSFree16( context
->SegEs
);
4977 /* If we don't reset ES_reg, we will fail in the relay code */
4982 ok
= DOSMEM_FreeBlock( PTR_REAL_TO_LIN(context
->SegEs
, 0) );
4986 TRACE("FREE MEMORY failed\n");
4988 SET_AX( context
, 0x0009 ); /* memory block address invalid */
4993 case 0x4a: /* RESIZE MEMORY BLOCK */
4994 TRACE( "RESIZE MEMORY segment %04X to %d paragraphs\n",
4995 context
->SegEs
, BX_reg(context
) );
4997 DWORD newsize
= (DWORD
)BX_reg(context
) << 4;
4999 if (!ISV86(context
) && DOSVM_IsWin16())
5001 FIXME( "Resize memory block - unsupported under Win16\n" );
5006 LPVOID address
= (void*)(context
->SegEs
<< 4);
5007 UINT blocksize
= DOSMEM_ResizeBlock( address
, newsize
, FALSE
);
5009 RESET_CFLAG(context
);
5010 if (blocksize
== (UINT
)-1)
5012 SET_CFLAG( context
);
5013 SET_AX( context
, 0x0009 ); /* illegal address */
5015 else if(blocksize
!= newsize
)
5017 SET_CFLAG( context
);
5018 SET_AX( context
, 0x0008 ); /* insufficient memory */
5019 SET_BX( context
, blocksize
>> 4 ); /* new block size */
5025 case 0x4b: /* "EXEC" - LOAD AND/OR EXECUTE PROGRAM */
5027 char *program
= CTX_SEG_OFF_TO_LIN(context
, context
->SegDs
, context
->Edx
);
5028 BYTE
*paramblk
= CTX_SEG_OFF_TO_LIN(context
, context
->SegEs
, context
->Ebx
);
5030 TRACE( "EXEC %s\n", program
);
5032 RESET_CFLAG(context
);
5033 if (DOSVM_IsWin16())
5035 HINSTANCE16 instance
= WinExec16( program
, SW_NORMAL
);
5038 SET_CFLAG( context
);
5039 SET_AX( context
, instance
);
5044 if (!MZ_Exec( context
, program
, AL_reg(context
), paramblk
))
5045 bSetDOSExtendedError
= TRUE
;
5050 case 0x4c: /* "EXIT" - TERMINATE WITH RETURN CODE */
5051 TRACE( "EXIT with return code %d\n", AL_reg(context
) );
5052 if (DOSVM_IsWin16())
5053 DOSVM_Exit( AL_reg(context
) );
5054 else if(ISV86(context
))
5055 MZ_Exit( context
, FALSE
, AL_reg(context
) );
5061 ULONG_PTR rv
= AL_reg(context
);
5062 RaiseException( EXCEPTION_VM86_INTx
, 0, 1, &rv
);
5066 case 0x4d: /* GET RETURN CODE */
5067 TRACE("GET RETURN CODE (ERRORLEVEL)\n");
5068 SET_AX( context
, DOSVM_retval
);
5072 case 0x4e: /* "FINDFIRST" - FIND FIRST MATCHING FILE */
5073 TRACE("FINDFIRST mask 0x%04x spec %s\n",CX_reg(context
),
5074 (LPCSTR
)CTX_SEG_OFF_TO_LIN(context
, context
->SegDs
, context
->Edx
));
5075 if (!INT21_FindFirst(context
)) break;
5078 case 0x4f: /* "FINDNEXT" - FIND NEXT MATCHING FILE */
5079 TRACE("FINDNEXT\n");
5080 if (!INT21_FindNext(context
))
5082 SetLastError( ERROR_NO_MORE_FILES
);
5083 SET_AX( context
, ERROR_NO_MORE_FILES
);
5086 else SET_AX( context
, 0 ); /* OK */
5089 case 0x50: /* SET CURRENT PROCESS ID (SET PSP ADDRESS) */
5090 TRACE("SET CURRENT PROCESS ID (SET PSP ADDRESS)\n");
5091 DOSVM_psp
= BX_reg(context
);
5094 case 0x51: /* GET PSP ADDRESS */
5095 INT21_GetPSP( context
);
5098 case 0x52: /* "SYSVARS" - GET LIST OF LISTS */
5100 SEGPTR ptr
= DOSDEV_GetLOL( ISV86(context
) || !DOSVM_IsWin16() );
5101 context
->SegEs
= SELECTOROF(ptr
);
5102 SET_BX( context
, OFFSETOF(ptr
) );
5106 case 0x54: /* Get Verify Flag */
5107 TRACE("Get Verify Flag - Not Supported\n");
5108 SET_AL( context
, 0x00 ); /* pretend we can tell. 00h = off 01h = on */
5111 case 0x56: /* "RENAME" - RENAME FILE */
5112 if (!INT21_RenameFile( context
))
5113 bSetDOSExtendedError
= TRUE
;
5115 RESET_CFLAG(context
);
5118 case 0x57: /* FILE DATE AND TIME */
5119 if (!INT21_FileDateTime( context
))
5120 bSetDOSExtendedError
= TRUE
;
5122 RESET_CFLAG(context
);
5125 case 0x58: /* GET OR SET MEMORY ALLOCATION STRATEGY */
5126 switch (AL_reg(context
))
5128 case 0x00: /* GET MEMORY ALLOCATION STRATEGY */
5129 TRACE( "GET MEMORY ALLOCATION STRATEGY\n" );
5130 SET_AX( context
, 0 ); /* low memory first fit */
5133 case 0x01: /* SET ALLOCATION STRATEGY */
5134 TRACE( "SET MEMORY ALLOCATION STRATEGY to %d - ignored\n",
5138 case 0x02: /* GET UMB LINK STATE */
5139 TRACE( "GET UMB LINK STATE\n" );
5140 SET_AL( context
, 0 ); /* UMBs not part of DOS memory chain */
5143 case 0x03: /* SET UMB LINK STATE */
5144 TRACE( "SET UMB LINK STATE to %d - ignored\n",
5149 INT_BARF( context
, 0x21 );
5153 case 0x59: /* GET EXTENDED ERROR INFO */
5154 INT21_GetExtendedError( context
);
5157 case 0x5a: /* CREATE TEMPORARY FILE */
5158 TRACE("CREATE TEMPORARY FILE\n");
5159 bSetDOSExtendedError
= !INT21_CreateTempFile(context
);
5162 case 0x5b: /* CREATE NEW FILE */
5163 if (!INT21_CreateFile( context
, context
->Edx
, FALSE
,
5164 OF_READWRITE
| OF_SHARE_COMPAT
, 0x10 ))
5165 bSetDOSExtendedError
= TRUE
;
5167 RESET_CFLAG(context
);
5170 case 0x5c: /* "FLOCK" - RECORD LOCKING */
5172 DWORD offset
= MAKELONG(DX_reg(context
), CX_reg(context
));
5173 DWORD length
= MAKELONG(DI_reg(context
), SI_reg(context
));
5174 HANDLE handle
= DosFileHandleToWin32Handle(BX_reg(context
));
5176 RESET_CFLAG(context
);
5177 switch (AL_reg(context
))
5179 case 0x00: /* LOCK */
5180 TRACE( "lock handle %d offset %d length %d\n",
5181 BX_reg(context
), offset
, length
);
5182 if (!LockFile( handle
, offset
, 0, length
, 0 ))
5183 bSetDOSExtendedError
= TRUE
;
5186 case 0x01: /* UNLOCK */
5187 TRACE( "unlock handle %d offset %d length %d\n",
5188 BX_reg(context
), offset
, length
);
5189 if (!UnlockFile( handle
, offset
, 0, length
, 0 ))
5190 bSetDOSExtendedError
= TRUE
;
5194 INT_BARF( context
, 0x21 );
5199 case 0x5d: /* NETWORK 5D */
5200 FIXME( "Network function 5D not implemented.\n" );
5201 SetLastError( ER_NoNetwork
);
5202 bSetDOSExtendedError
= TRUE
;
5205 case 0x5e: /* NETWORK 5E */
5206 bSetDOSExtendedError
= INT21_NetworkFunc( context
);
5209 case 0x5f: /* NETWORK 5F */
5210 /* FIXME: supporting this would need to 1:
5211 * - implement per drive current directory (as kernel32 doesn't)
5212 * - assign enabled/disabled flag on a per drive basis
5214 /* network software not installed */
5215 TRACE("NETWORK function AX=%04x not implemented\n",AX_reg(context
));
5216 SetLastError( ER_NoNetwork
);
5217 bSetDOSExtendedError
= TRUE
;
5220 case 0x60: /* "TRUENAME" - CANONICALIZE FILENAME OR PATH */
5222 WCHAR pathW
[MAX_PATH
], res
[MAX_PATH
];
5223 /* FIXME: likely to be broken */
5225 TRACE("TRUENAME %s\n",
5226 (LPCSTR
)CTX_SEG_OFF_TO_LIN(context
, context
->SegDs
,context
->Esi
));
5227 MultiByteToWideChar(CP_OEMCP
, 0, CTX_SEG_OFF_TO_LIN(context
, context
->SegDs
, context
->Esi
), -1, pathW
, MAX_PATH
);
5228 if (!GetFullPathNameW( pathW
, 128, res
, NULL
))
5229 bSetDOSExtendedError
= TRUE
;
5232 SET_AX( context
, 0 );
5233 WideCharToMultiByte(CP_OEMCP
, 0, res
, -1,
5234 CTX_SEG_OFF_TO_LIN(context
, context
->SegEs
, context
->Edi
),
5240 case 0x61: /* UNUSED */
5241 SET_AL( context
, 0 );
5244 case 0x62: /* GET PSP ADDRESS */
5245 INT21_GetPSP( context
);
5248 case 0x63: /* MISC. LANGUAGE SUPPORT */
5249 switch (AL_reg(context
)) {
5250 case 0x00: /* GET DOUBLE BYTE CHARACTER SET LEAD-BYTE TABLE */
5251 TRACE( "GET DOUBLE BYTE CHARACTER SET LEAD-BYTE TABLE\n" );
5252 context
->SegDs
= INT21_GetHeapSelector( context
);
5253 SET_SI( context
, offsetof(INT21_HEAP
, dbcs_table
) );
5254 SET_AL( context
, 0 ); /* success */
5259 case 0x64: /* OS/2 DOS BOX */
5260 INT_BARF( context
, 0x21 );
5264 case 0x65: /* EXTENDED COUNTRY INFORMATION */
5265 INT21_ExtendedCountryInformation( context
);
5268 case 0x66: /* GLOBAL CODE PAGE TABLE */
5269 switch (AL_reg(context
))
5272 TRACE( "GET GLOBAL CODE PAGE TABLE\n" );
5273 SET_BX( context
, GetOEMCP() );
5274 SET_DX( context
, GetOEMCP() );
5277 FIXME( "SET GLOBAL CODE PAGE TABLE, active %d, system %d - ignored\n",
5278 BX_reg(context
), DX_reg(context
) );
5283 case 0x67: /* SET HANDLE COUNT */
5284 TRACE( "SET HANDLE COUNT to %d\n", BX_reg(context
) );
5285 if (SetHandleCount( BX_reg(context
) ) < BX_reg(context
) )
5286 bSetDOSExtendedError
= TRUE
;
5289 case 0x68: /* "FFLUSH" - COMMIT FILE */
5290 TRACE( "FFLUSH - handle %d\n", BX_reg(context
) );
5291 if (!FlushFileBuffers( DosFileHandleToWin32Handle(BX_reg(context
)) ))
5292 bSetDOSExtendedError
= TRUE
;
5295 case 0x69: /* DISK SERIAL NUMBER */
5296 switch (AL_reg(context
))
5299 TRACE("GET DISK SERIAL NUMBER for drive %s\n",
5300 INT21_DriveName(BL_reg(context
)));
5301 if (!INT21_GetDiskSerialNumber(context
)) bSetDOSExtendedError
= TRUE
;
5302 else SET_AX( context
, 0 );
5306 TRACE("SET DISK SERIAL NUMBER for drive %s\n",
5307 INT21_DriveName(BL_reg(context
)));
5308 if (!INT21_SetDiskSerialNumber(context
)) bSetDOSExtendedError
= TRUE
;
5309 else SET_AX( context
, 1 );
5314 case 0x6a: /* COMMIT FILE */
5315 TRACE( "COMMIT FILE - handle %d\n", BX_reg(context
) );
5316 if (!FlushFileBuffers( DosFileHandleToWin32Handle(BX_reg(context
)) ))
5317 bSetDOSExtendedError
= TRUE
;
5320 case 0x6b: /* NULL FUNCTION FOR CP/M COMPATIBILITY */
5321 SET_AL( context
, 0 );
5324 case 0x6c: /* EXTENDED OPEN/CREATE */
5325 if (!INT21_CreateFile( context
, context
->Esi
, TRUE
,
5326 BX_reg(context
), DL_reg(context
) ))
5327 bSetDOSExtendedError
= TRUE
;
5330 case 0x70: /* MSDOS 7 - GET/SET INTERNATIONALIZATION INFORMATION */
5331 FIXME( "MS-DOS 7 - GET/SET INTERNATIONALIZATION INFORMATION\n" );
5332 SET_CFLAG( context
);
5333 SET_AL( context
, 0 );
5336 case 0x71: /* MSDOS 7 - LONG FILENAME FUNCTIONS */
5337 INT21_LongFilename( context
);
5340 case 0x73: /* MSDOS7 - FAT32 */
5341 RESET_CFLAG( context
);
5342 if (!INT21_Fat32( context
))
5343 bSetDOSExtendedError
= TRUE
;
5346 case 0xdc: /* CONNECTION SERVICES - GET CONNECTION NUMBER */
5347 TRACE( "CONNECTION SERVICES - GET CONNECTION NUMBER - ignored\n" );
5350 case 0xea: /* NOVELL NETWARE - RETURN SHELL VERSION */
5351 TRACE( "NOVELL NETWARE - RETURN SHELL VERSION - ignored\n" );
5354 case 0xff: /* DOS32 EXTENDER (DOS/4GW) - API */
5355 /* we don't implement a DOS32 extender */
5356 TRACE( "DOS32 EXTENDER API - ignored\n" );
5360 INT_BARF( context
, 0x21 );
5363 } /* END OF SWITCH */
5365 /* Set general error condition. */
5366 if (bSetDOSExtendedError
)
5368 SET_AX( context
, GetLastError() );
5369 SET_CFLAG( context
);
5372 /* Print error code if carry flag is set. */
5373 if (context
->EFlags
& 0x0001)
5374 TRACE("failed, error %d\n", GetLastError() );
5376 TRACE( "returning: AX=%04x BX=%04x CX=%04x DX=%04x "
5377 "SI=%04x DI=%04x DS=%04x ES=%04x EFL=%08x\n",
5378 AX_reg(context
), BX_reg(context
),
5379 CX_reg(context
), DX_reg(context
),
5380 SI_reg(context
), DI_reg(context
),
5381 (WORD
)context
->SegDs
, (WORD
)context
->SegEs
,