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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 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
272 void (*ioctl_handler)(CONTEXT86 *);
275 static void INT21_IoctlScsiMgrHandler( CONTEXT86 * );
276 static void INT21_IoctlEMSHandler( CONTEXT86 * );
277 static void INT21_IoctlHPScanHandler( CONTEXT86 * );
279 static struct magic_device magic_devices[] =
281 { {'s','c','s','i','m','g','r','$',0}, NULL, 0, 0, INT21_IoctlScsiMgrHandler },
282 { {'e','m','m','x','x','x','x','0',0}, NULL, 0, 0, INT21_IoctlEMSHandler },
283 { {'h','p','s','c','a','n',0}, NULL, 0, 0, INT21_IoctlHPScanHandler },
286 #define NB_MAGIC_DEVICES (sizeof(magic_devices)/sizeof(magic_devices[0]))
289 /* Many calls translate a drive argument like this:
290 drive number (00h = default, 01h = A:, etc)
292 /******************************************************************
295 * Many calls translate a drive argument like this:
296 * drive number (00h = default, 01h = A:, etc)
298 static const char *INT21_DriveName(int drive)
302 if (drive <= 26) return wine_dbg_sprintf("%c:", 'A' + drive - 1);
303 else return wine_dbg_sprintf( "<Bad drive: %d>", drive);
308 /***********************************************************************
309 * INT21_GetCurrentDrive
311 * Return current drive using scheme (0=A:, 1=B:, 2=C:, ...) or
312 * MAX_DOS_DRIVES on error.
314 static BYTE INT21_GetCurrentDrive(void)
316 WCHAR current_directory[MAX_PATH];
318 if (!GetCurrentDirectoryW( MAX_PATH, current_directory ) ||
319 current_directory[1] != ':')
321 TRACE( "Failed to get current drive.\n" );
322 return MAX_DOS_DRIVES;
325 return toupperW( current_directory[0] ) - 'A';
329 /***********************************************************************
332 * Convert drive number from scheme (0=default, 1=A:, 2=B:, ...) into
333 * scheme (0=A:, 1=B:, 2=C:, ...) or MAX_DOS_DRIVES on error.
335 static BYTE INT21_MapDrive( BYTE drive )
339 WCHAR drivespec[3] = {'A', ':', 0};
342 drivespec[0] += drive - 1;
343 drivetype = GetDriveTypeW( drivespec );
345 if (drivetype == DRIVE_UNKNOWN || drivetype == DRIVE_NO_ROOT_DIR)
346 return MAX_DOS_DRIVES;
351 return INT21_GetCurrentDrive();
355 /***********************************************************************
356 * INT21_SetCurrentDrive
358 * Set current drive. Uses scheme (0=A:, 1=B:, 2=C:, ...).
360 static void INT21_SetCurrentDrive( BYTE drive )
362 WCHAR drivespec[3] = {'A', ':', 0};
364 drivespec[0] += drive;
366 if (!SetCurrentDirectoryW( drivespec ))
367 TRACE( "Failed to set current drive.\n" );
371 /***********************************************************************
374 * Reads a character from the standard input.
375 * Extended keycodes will be returned as two separate characters.
377 static BOOL INT21_ReadChar( BYTE *input, CONTEXT86 *waitctx )
379 static BYTE pending_scan = 0;
384 *input = pending_scan;
393 if (!DOSVM_Int16ReadChar( &ascii, &scan, waitctx ))
398 if (waitctx && !ascii)
405 /***********************************************************************
406 * INT21_GetSystemCountryCode
408 * Return DOS country code for default system locale.
410 static WORD INT21_GetSystemCountryCode( void )
413 * FIXME: Determine country code. We should probably use
414 * DOSCONF structure for that.
416 return GetSystemDefaultLangID();
420 /***********************************************************************
421 * INT21_FillCountryInformation
423 * Fill 34-byte buffer with country information data using
424 * default system locale.
426 static void INT21_FillCountryInformation( BYTE *buffer )
428 /* 00 - WORD: date format
433 *(WORD*)(buffer + 0) = 0; /* FIXME: Get from locale */
435 /* 02 - BYTE[5]: ASCIIZ currency symbol string */
436 buffer[2] = '$'; /* FIXME: Get from locale */
439 /* 07 - BYTE[2]: ASCIIZ thousands separator */
440 buffer[7] = 0; /* FIXME: Get from locale */
443 /* 09 - BYTE[2]: ASCIIZ decimal separator */
444 buffer[9] = '.'; /* FIXME: Get from locale */
447 /* 11 - BYTE[2]: ASCIIZ date separator */
448 buffer[11] = '/'; /* FIXME: Get from locale */
451 /* 13 - BYTE[2]: ASCIIZ time separator */
452 buffer[13] = ':'; /* FIXME: Get from locale */
455 /* 15 - BYTE: Currency format
456 * bit 2 = set if currency symbol replaces decimal point
457 * bit 1 = number of spaces between value and currency symbol
458 * bit 0 = 0 if currency symbol precedes value
459 * 1 if currency symbol follows value
461 buffer[15] = 0; /* FIXME: Get from locale */
463 /* 16 - BYTE: Number of digits after decimal in currency */
464 buffer[16] = 0; /* FIXME: Get from locale */
466 /* 17 - BYTE: Time format
467 * bit 0 = 0 if 12-hour clock
470 buffer[17] = 1; /* FIXME: Get from locale */
472 /* 18 - DWORD: Address of case map routine */
473 *(DWORD*)(buffer + 18) = 0; /* FIXME: ptr to case map routine */
475 /* 22 - BYTE[2]: ASCIIZ data-list separator */
476 buffer[22] = ','; /* FIXME: Get from locale */
479 /* 24 - BYTE[10]: Reserved */
480 memset( buffer + 24, 0, 10 );
484 /***********************************************************************
487 * Initialize DOS heap.
489 * Filename Terminator Table of w2k DE NTVDM:
490 * 16 00 01 00 FF 00 00 20-02 0E 2E 22 2F 5C 5B 5D ....... ..."/\[]
491 * 3A 7C 3C 3E 2B 3D 3B 2C-00 :|<>+=;,
493 static void INT21_FillHeap( INT21_HEAP *heap )
495 static const char terminators[] = ".\"/\\[]:|<>+=;,";
501 heap->uppercase_size = 128;
502 for (i = 0; i < 128; i++)
503 heap->uppercase_table[i] = toupper( 128 + i );
508 heap->lowercase_size = 256;
509 for (i = 0; i < 256; i++)
510 heap->lowercase_table[i] = tolower( i );
515 heap->collating_size = 256;
516 for (i = 0; i < 256; i++)
517 heap->collating_table[i] = i;
522 heap->filename_size = 8 + strlen(terminators);
523 heap->filename_illegal_size = strlen(terminators);
524 memcpy( heap->filename_illegal_table, terminators, heap->filename_illegal_size );
526 heap->filename_reserved1 = 0x01;
527 heap->filename_lowest = 0x00;
528 heap->filename_highest = 0xff;
529 heap->filename_reserved2 = 0x00;
530 heap->filename_exclude_first = 0x00;
531 heap->filename_exclude_last = 0x20;
532 heap->filename_reserved3 = 0x02;
535 * DBCS lead byte table. This table is empty.
538 memset( heap->dbcs_table, 0, sizeof(heap->dbcs_table) );
541 * Initialize InDos flag.
543 heap->misc_indos = 0;
546 * FIXME: Should drive parameter blocks (DPB) be
547 * initialized here and linked to DOS LOL?
552 /***********************************************************************
553 * INT21_GetHeapPointer
555 * Get pointer for DOS heap (INT21_HEAP).
556 * Creates and initializes heap on first call.
558 static INT21_HEAP *INT21_GetHeapPointer( void )
560 static INT21_HEAP *heap_pointer = NULL;
567 heap_pointer = DOSVM_AllocDataUMB( sizeof(INT21_HEAP),
571 heap_pointer->misc_segment = heap_segment;
572 heap_pointer->misc_selector = heap_selector;
573 INT21_FillHeap( heap_pointer );
580 /***********************************************************************
581 * INT21_GetHeapSelector
583 * Get segment/selector for DOS heap (INT21_HEAP).
584 * Creates and initializes heap on first call.
586 static WORD INT21_GetHeapSelector( CONTEXT86 *context )
588 INT21_HEAP *heap = INT21_GetHeapPointer();
590 if (!ISV86(context) && DOSVM_IsWin16())
591 return heap->misc_selector;
593 return heap->misc_segment;
597 /***********************************************************************
600 * Fill DOS heap drive parameter block for the specified drive.
601 * Return TRUE if drive was valid and there were
602 * no errors while reading drive information.
604 static BOOL INT21_FillDrivePB( BYTE drive )
606 WCHAR drivespec[3] = {'A', ':', 0};
607 INT21_HEAP *heap = INT21_GetHeapPointer();
610 DWORD cluster_sectors;
613 DWORD total_clusters;
615 if (drive >= MAX_DOS_DRIVES)
618 dpb = &heap->misc_dpb_list[drive];
619 drivespec[0] += drive;
620 drivetype = GetDriveTypeW( drivespec );
623 * FIXME: Does this check work correctly with floppy/cdrom drives?
625 if (drivetype == DRIVE_NO_ROOT_DIR || drivetype == DRIVE_UNKNOWN)
629 * FIXME: Does this check work correctly with floppy/cdrom drives?
631 if (!GetDiskFreeSpaceW( drivespec, &cluster_sectors, §or_bytes,
632 &free_clusters, &total_clusters ))
636 * FIXME: Most of the values listed below are incorrect.
637 * All values should be validated.
642 dpb->sector_bytes = sector_bytes;
643 dpb->cluster_sectors = cluster_sectors - 1;
646 while (cluster_sectors > 1)
648 cluster_sectors /= 2;
652 dpb->num_reserved = 0;
654 dpb->num_root_entries = 2;
655 dpb->first_data_sector = 2;
656 dpb->num_clusters1 = total_clusters;
657 dpb->sectors_per_FAT = 1;
658 dpb->first_dir_sector = 1;
659 dpb->driver_header = 0;
660 dpb->media_ID = (drivetype == DRIVE_FIXED) ? 0xF8 : 0xF0;
661 dpb->access_flag = 0;
663 dpb->search_cluster1 = 0;
664 dpb->free_clusters_lo = LOWORD(free_clusters);
665 dpb->free_clusters_hi = HIWORD(free_clusters);
666 dpb->mirroring_flags = 0;
667 dpb->info_sector = 0xffff;
668 dpb->spare_boot_sector = 0xffff;
669 dpb->first_cluster_sector = 0;
670 dpb->num_clusters2 = total_clusters;
671 dpb->fat_clusters = 32;
672 dpb->root_cluster = 0;
673 dpb->search_cluster2 = 0;
679 /***********************************************************************
680 * INT21_GetCurrentDirectory
684 * - subfunction 0x47 of function 0x71
686 static BOOL INT21_GetCurrentDirectory( CONTEXT86 *context, BOOL islong )
688 char *buffer = CTX_SEG_OFF_TO_LIN(context, context->SegDs, context->Esi);
689 BYTE drive = INT21_MapDrive( DL_reg(context) );
690 WCHAR pathW[MAX_PATH];
691 char pathA[MAX_PATH];
694 TRACE( "drive %d\n", DL_reg(context) );
696 if (drive == MAX_DOS_DRIVES)
698 SetLastError(ERROR_INVALID_DRIVE);
703 * Grab current directory.
706 if (!GetCurrentDirectoryW( MAX_PATH, pathW )) return FALSE;
708 if (toupperW(pathW[0]) - 'A' != drive || pathW[1] != ':')
710 /* cwd is not on the requested drive, get the environment string instead */
715 env_var[1] = 'A' + drive;
718 if (!GetEnvironmentVariableW( env_var, pathW, MAX_PATH ))
720 /* return empty path */
727 * Convert into short format.
732 DWORD result = GetShortPathNameW( pathW, pathW, MAX_PATH );
735 if (result > MAX_PATH)
737 WARN( "Short path too long!\n" );
738 SetLastError(ERROR_NETWORK_BUSY); /* Internal Wine error. */
744 * The returned pathname does not include
745 * the drive letter, colon or leading backslash.
751 * FIXME: We should probably just strip host part from name...
753 FIXME( "UNC names are not supported.\n" );
754 SetLastError(ERROR_NETWORK_BUSY); /* Internal Wine error. */
757 else if (!ptr[0] || ptr[1] != ':' || ptr[2] != '\\')
759 WARN( "Path is neither UNC nor DOS path: %s\n",
760 wine_dbgstr_w(ptr) );
761 SetLastError(ERROR_NETWORK_BUSY); /* Internal Wine error. */
766 /* Remove drive letter, colon and leading backslash. */
771 * Convert into OEM string.
774 if (!WideCharToMultiByte(CP_OEMCP, 0, ptr, -1, pathA,
775 MAX_PATH, NULL, NULL))
777 WARN( "Cannot convert path!\n" );
778 SetLastError(ERROR_NETWORK_BUSY); /* Internal Wine error. */
788 /* Undocumented success code. */
789 SET_AX( context, 0x0100 );
791 /* Truncate buffer to 64 bytes. */
795 TRACE( "%c:=%s\n", 'A' + drive, pathA );
797 strcpy( buffer, pathA );
802 /***********************************************************************
803 * INT21_SetCurrentDirectory
807 * - subfunction 0x3b of function 0x71
809 static BOOL INT21_SetCurrentDirectory( CONTEXT86 *context )
811 WCHAR dirW[MAX_PATH];
814 char *dirA = CTX_SEG_OFF_TO_LIN(context, context->SegDs, context->Edx);
815 BYTE drive = INT21_GetCurrentDrive();
818 TRACE( "SET CURRENT DIRECTORY %s\n", dirA );
820 MultiByteToWideChar(CP_OEMCP, 0, dirA, -1, dirW, MAX_PATH);
821 if (!GetFullPathNameW( dirW, MAX_PATH, dirW, NULL )) return FALSE;
823 attr = GetFileAttributesW( dirW );
824 if (attr == INVALID_FILE_ATTRIBUTES || !(attr & FILE_ATTRIBUTE_DIRECTORY))
826 SetLastError( ERROR_PATH_NOT_FOUND );
831 env_var[1] = dirW[0];
834 result = SetEnvironmentVariableW( env_var, dirW );
836 /* only set current directory if on the current drive */
837 if (result && (toupperW(dirW[0]) - 'A' == drive)) result = SetCurrentDirectoryW( dirW );
842 /***********************************************************************
843 * INT21_CreateMagicDeviceHandle
845 * Create a dummy file handle for a "magic" device.
847 static HANDLE INT21_CreateMagicDeviceHandle( LPCWSTR name )
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 = (len + 1 + strlenW( name )) * sizeof(WCHAR);
859 nameW.MaximumLength = nameW.Length + sizeof(WCHAR);
860 if (!(nameW.Buffer = HeapAlloc( GetProcessHeap(), 0, nameW.Length )))
862 SetLastError( ERROR_NOT_ENOUGH_MEMORY );
865 MultiByteToWideChar( CP_UNIXCP, 0, dir, -1, nameW.Buffer, len );
866 nameW.Buffer[len-1] = '/';
867 strcpyW( nameW.Buffer + len, name );
869 attr.Length = sizeof(attr);
870 attr.RootDirectory = 0;
872 attr.ObjectName = &nameW;
873 attr.SecurityDescriptor = NULL;
874 attr.SecurityQualityOfService = NULL;
876 status = NtCreateFile( &ret, GENERIC_READ|GENERIC_WRITE, &attr, &io, NULL, 0,
877 FILE_SHARE_READ|FILE_SHARE_WRITE, FILE_OPEN_IF,
878 FILE_SYNCHRONOUS_IO_ALERT, NULL, 0 );
882 SetLastError( RtlNtStatusToDosError(status) );
884 RtlFreeUnicodeString( &nameW );
889 /***********************************************************************
890 * INT21_OpenMagicDevice
892 * Open a file handle for "magic" devices like EMMXXXX0.
894 static HANDLE INT21_OpenMagicDevice( LPCWSTR name, DWORD access )
900 if (name[0] && (name[1] == ':')) name += 2;
901 if ((p = strrchrW( name, '/' ))) name = p + 1;
902 if ((p = strrchrW( name, '\\' ))) name = p + 1;
904 for (i = 0; i < NB_MAGIC_DEVICES; i++)
906 int len = strlenW( magic_devices[i].name );
907 if (!strncmpiW( magic_devices[i].name, name, len ) &&
908 (!name[len] || name[len] == '.' || name[len] == ':')) break;
910 if (i == NB_MAGIC_DEVICES) return 0;
912 if (!magic_devices[i].handle) /* need to open it */
917 if (!(handle = INT21_CreateMagicDeviceHandle( magic_devices[i].name ))) return 0;
918 wine_server_handle_to_fd( handle, 0, &fd, NULL );
920 wine_server_release_fd( handle, fd );
921 magic_devices[i].dev = st.st_dev;
922 magic_devices[i].ino = st.st_ino;
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 (BYTE *)CTX_SEG_OFF_TO_LIN( context, SELECTOROF(pTask->dta),
1217 (DWORD)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, %ld, 0) failed with %ld\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 %ld (position %ld) 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, %ld, 0) failed with %ld\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 %ld (position %ld) 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, %ld, 0) failed with %ld\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 %ld (position %ld) 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, %ld, 0) failed with %ld\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 %ld (position %ld) 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, %ld, 0) failed with %ld\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 = (UINT) 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 %ld (position %ld) 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, %ld, 0) failed with %ld\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 = (UINT) 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 %ld (position %ld) 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 = (char *)CTX_SEG_OFF_TO_LIN( context,
1984 WORD len = CX_reg(context);
1985 while (len--) { *ptr = toupper(*ptr); ptr++; }
1989 case 0x22: /* CAPITALIZE ASCIIZ STRING */
1990 case 0xa2: /* CAPITALIZE ASCIIZ FILENAME */
1991 TRACE("Convert ASCIIZ string to uppercase\n");
1992 _strupr( (LPSTR)CTX_SEG_OFF_TO_LIN(context, context->SegDs, context->Edx) );
1995 case 0x23: /* DETERMINE IF CHARACTER REPRESENTS YES/NO RESPONSE */
1996 INT_BARF( context, 0x21 );
1997 SET_CFLAG( context );
2001 INT_BARF( context, 0x21 );
2008 /***********************************************************************
2009 * INT21_FileAttributes
2013 * - subfunction 0x43 of function 0x71
2015 static BOOL INT21_FileAttributes( CONTEXT86 *context,
2019 WCHAR fileW[MAX_PATH];
2020 char *fileA = CTX_SEG_OFF_TO_LIN(context,
2029 switch (subfunction)
2031 case 0x00: /* GET FILE ATTRIBUTES */
2032 TRACE( "GET FILE ATTRIBUTES for %s\n", fileA );
2033 MultiByteToWideChar(CP_OEMCP, 0, fileA, -1, fileW, MAX_PATH);
2035 result = GetFileAttributesW( fileW );
2036 if (result == INVALID_FILE_ATTRIBUTES)
2040 SET_CX( context, (WORD)result );
2042 SET_AX( context, (WORD)result ); /* DR DOS */
2046 case 0x01: /* SET FILE ATTRIBUTES */
2047 TRACE( "SET FILE ATTRIBUTES 0x%02x for %s\n",
2048 CX_reg(context), fileA );
2049 MultiByteToWideChar(CP_OEMCP, 0, fileA, -1, fileW, MAX_PATH);
2051 if (!SetFileAttributesW( fileW, CX_reg(context) ))
2055 case 0x02: /* GET COMPRESSED FILE SIZE */
2056 TRACE( "GET COMPRESSED FILE SIZE for %s\n", fileA );
2057 MultiByteToWideChar(CP_OEMCP, 0, fileA, -1, fileW, MAX_PATH);
2059 result = GetCompressedFileSizeW( fileW, NULL );
2060 if (result == INVALID_FILE_SIZE)
2064 SET_AX( context, LOWORD(result) );
2065 SET_DX( context, HIWORD(result) );
2069 case 0x03: /* SET FILE LAST-WRITTEN DATE AND TIME */
2071 INT_BARF( context, 0x21 );
2074 TRACE( "SET FILE LAST-WRITTEN DATE AND TIME, file %s\n", fileA );
2075 MultiByteToWideChar(CP_OEMCP, 0, fileA, -1, fileW, MAX_PATH);
2077 handle = CreateFileW( fileW, GENERIC_WRITE,
2078 FILE_SHARE_READ | FILE_SHARE_WRITE,
2079 NULL, OPEN_EXISTING, 0, 0 );
2080 if (handle == INVALID_HANDLE_VALUE)
2083 DosDateTimeToFileTime( DI_reg(context),
2086 status = SetFileTime( handle, NULL, NULL, &filetime );
2088 CloseHandle( handle );
2093 case 0x04: /* GET FILE LAST-WRITTEN DATE AND TIME */
2095 INT_BARF( context, 0x21 );
2098 TRACE( "GET FILE LAST-WRITTEN DATE AND TIME, file %s\n", fileA );
2099 MultiByteToWideChar(CP_OEMCP, 0, fileA, -1, fileW, MAX_PATH);
2101 handle = CreateFileW( fileW, GENERIC_READ,
2102 FILE_SHARE_READ | FILE_SHARE_WRITE,
2103 NULL, OPEN_EXISTING, 0, 0 );
2104 if (handle == INVALID_HANDLE_VALUE)
2107 status = GetFileTime( handle, NULL, NULL, &filetime );
2110 FileTimeToDosDateTime( &filetime, &date, &time );
2111 SET_DI( context, date );
2112 SET_CX( context, time );
2115 CloseHandle( handle );
2120 case 0x05: /* SET FILE LAST ACCESS DATE */
2122 INT_BARF( context, 0x21 );
2125 TRACE( "SET FILE LAST ACCESS DATE, file %s\n", fileA );
2126 MultiByteToWideChar(CP_OEMCP, 0, fileA, -1, fileW, MAX_PATH);
2128 handle = CreateFileW( fileW, GENERIC_WRITE,
2129 FILE_SHARE_READ | FILE_SHARE_WRITE,
2130 NULL, OPEN_EXISTING, 0, 0 );
2131 if (handle == INVALID_HANDLE_VALUE)
2134 DosDateTimeToFileTime( DI_reg(context),
2137 status = SetFileTime( handle, NULL, &filetime, NULL );
2139 CloseHandle( handle );
2144 case 0x06: /* GET FILE LAST ACCESS DATE */
2146 INT_BARF( context, 0x21 );
2149 TRACE( "GET FILE LAST ACCESS DATE, file %s\n", fileA );
2150 MultiByteToWideChar(CP_OEMCP, 0, fileA, -1, fileW, MAX_PATH);
2152 handle = CreateFileW( fileW, GENERIC_READ,
2153 FILE_SHARE_READ | FILE_SHARE_WRITE,
2154 NULL, OPEN_EXISTING, 0, 0 );
2155 if (handle == INVALID_HANDLE_VALUE)
2158 status = GetFileTime( handle, NULL, &filetime, NULL );
2161 FileTimeToDosDateTime( &filetime, &date, NULL );
2162 SET_DI( context, date );
2165 CloseHandle( handle );
2170 case 0x07: /* SET FILE CREATION DATE AND TIME */
2172 INT_BARF( context, 0x21 );
2175 TRACE( "SET FILE CREATION DATE AND TIME, file %s\n", fileA );
2177 handle = CreateFileW( fileW, GENERIC_WRITE,
2178 FILE_SHARE_READ | FILE_SHARE_WRITE,
2179 NULL, OPEN_EXISTING, 0, 0 );
2180 if (handle == INVALID_HANDLE_VALUE)
2184 * FIXME: SI has number of 10-millisecond units past time in CX.
2186 DosDateTimeToFileTime( DI_reg(context),
2189 status = SetFileTime( handle, &filetime, NULL, NULL );
2191 CloseHandle( handle );
2196 case 0x08: /* GET FILE CREATION DATE AND TIME */
2198 INT_BARF( context, 0x21 );
2201 TRACE( "GET FILE CREATION DATE AND TIME, handle %d\n",
2204 handle = CreateFileW( fileW, GENERIC_READ,
2205 FILE_SHARE_READ | FILE_SHARE_WRITE,
2206 NULL, OPEN_EXISTING, 0, 0 );
2207 if (handle == INVALID_HANDLE_VALUE)
2210 status = GetFileTime( handle, &filetime, NULL, NULL );
2213 FileTimeToDosDateTime( &filetime, &date, &time );
2214 SET_DI( context, date );
2215 SET_CX( context, time );
2217 * FIXME: SI has number of 10-millisecond units past
2220 SET_SI( context, 0 );
2223 CloseHandle(handle);
2228 case 0xff: /* EXTENDED-LENGTH FILENAME OPERATIONS */
2229 if (islong || context->Ebp != 0x5053)
2230 INT_BARF( context, 0x21 );
2233 switch(CL_reg(context))
2236 if (!INT21_CreateDirectory( context ))
2241 if (!INT21_RenameFile( context ))
2246 INT_BARF( context, 0x21 );
2252 INT_BARF( context, 0x21 );
2259 /***********************************************************************
2260 * INT21_FileDateTime
2262 * Handler for function 0x57.
2264 static BOOL INT21_FileDateTime( CONTEXT86 *context )
2266 HANDLE handle = DosFileHandleToWin32Handle(BX_reg(context));
2270 switch (AL_reg(context)) {
2271 case 0x00: /* Get last-written stamp */
2272 TRACE( "GET FILE LAST-WRITTEN DATE AND TIME, handle %d\n",
2275 if (!GetFileTime( handle, NULL, NULL, &filetime ))
2277 FileTimeToDosDateTime( &filetime, &date, &time );
2278 SET_DX( context, date );
2279 SET_CX( context, time );
2283 case 0x01: /* Set last-written stamp */
2284 TRACE( "SET FILE LAST-WRITTEN DATE AND TIME, handle %d\n",
2287 DosDateTimeToFileTime( DX_reg(context),
2290 if (!SetFileTime( handle, NULL, NULL, &filetime ))
2295 case 0x04: /* Get last access stamp, DOS 7 */
2296 TRACE( "GET FILE LAST ACCESS DATE AND TIME, handle %d\n",
2299 if (!GetFileTime( handle, NULL, &filetime, NULL ))
2301 FileTimeToDosDateTime( &filetime, &date, &time );
2302 SET_DX( context, date );
2303 SET_CX( context, time );
2307 case 0x05: /* Set last access stamp, DOS 7 */
2308 TRACE( "SET FILE LAST ACCESS DATE AND TIME, handle %d\n",
2311 DosDateTimeToFileTime( DX_reg(context),
2314 if (!SetFileTime( handle, NULL, &filetime, NULL ))
2319 case 0x06: /* Get creation stamp, DOS 7 */
2320 TRACE( "GET FILE CREATION DATE AND TIME, handle %d\n",
2323 if (!GetFileTime( handle, &filetime, NULL, NULL ))
2325 FileTimeToDosDateTime( &filetime, &date, &time );
2326 SET_DX( context, date );
2327 SET_CX( context, time );
2329 * FIXME: SI has number of 10-millisecond units past time in CX.
2331 SET_SI( context, 0 );
2335 case 0x07: /* Set creation stamp, DOS 7 */
2336 TRACE( "SET FILE CREATION DATE AND TIME, handle %d\n",
2340 * FIXME: SI has number of 10-millisecond units past time in CX.
2342 DosDateTimeToFileTime( DX_reg(context),
2345 if (!SetFileTime( handle, &filetime, NULL, NULL ))
2351 INT_BARF( context, 0x21 );
2359 /***********************************************************************
2362 * Handler for functions 0x51 and 0x62.
2364 static void INT21_GetPSP( CONTEXT86 *context )
2366 TRACE( "GET CURRENT PSP ADDRESS (%02x)\n", AH_reg(context) );
2369 * FIXME: should we return the original DOS PSP upon
2372 if (!ISV86(context) && DOSVM_IsWin16())
2373 SET_BX( context, LOWORD(GetCurrentPDB16()) );
2375 SET_BX( context, DOSVM_psp );
2378 static inline void setword( BYTE *ptr, WORD w )
2381 ptr[1] = (BYTE)(w >> 8);
2384 static void CreateBPB(int drive, BYTE *data, BOOL16 limited)
2385 /* limited == TRUE is used with INT 0x21/0x440d */
2387 /* FIXME: we're forcing some values without checking that those are valid */
2392 setword(&data[3], 0);
2394 setword(&data[6], 240);
2395 setword(&data[8], 64000);
2397 setword(&data[0x0b], 40);
2398 setword(&data[0x0d], 56);
2399 setword(&data[0x0f], 2);
2400 setword(&data[0x11], 0);
2403 setword(&data[0x1f], 800);
2405 setword(&data[0x22], 1);
2412 setword(&data[3], 0);
2414 setword(&data[6], 240);
2415 setword(&data[8], 2880);
2417 setword(&data[0x0b], 6);
2418 setword(&data[0x0d], 18);
2419 setword(&data[0x0f], 2);
2420 setword(&data[0x11], 0);
2423 setword(&data[0x1f], 80);
2425 setword(&data[0x22], 2);
2430 inline DWORD INT21_Ioctl_CylHeadSect2Lin(DWORD cyl, WORD head, WORD sec, WORD cyl_cnt, WORD head_cnt, WORD sec_cnt)
2432 DWORD res = (cyl * head_cnt*sec_cnt + head * sec_cnt + sec);
2436 /***********************************************************************
2439 * Handler for block device IOCTLs.
2441 static void INT21_Ioctl_Block( CONTEXT86 *context )
2444 BYTE drive = INT21_MapDrive( BL_reg(context) );
2445 WCHAR drivespec[4] = {'A', ':', '\\', 0};
2448 drivespec[0] += drive;
2449 drivetype = GetDriveTypeW( drivespec );
2451 RESET_CFLAG(context);
2452 if (drivetype == DRIVE_UNKNOWN || drivetype == DRIVE_NO_ROOT_DIR)
2454 TRACE( "IOCTL - SUBFUNCTION %d - INVALID DRIVE %c:\n",
2455 AL_reg(context), 'A' + drive );
2456 SetLastError( ERROR_INVALID_DRIVE );
2457 SET_AX( context, ERROR_INVALID_DRIVE );
2458 SET_CFLAG( context );
2462 switch (AL_reg(context))
2464 case 0x04: /* READ FROM BLOCK DEVICE CONTROL CHANNEL */
2465 case 0x05: /* WRITE TO BLOCK DEVICE CONTROL CHANNEL */
2466 INT_BARF( context, 0x21 );
2469 case 0x08: /* CHECK IF BLOCK DEVICE REMOVABLE */
2470 TRACE( "IOCTL - CHECK IF BLOCK DEVICE REMOVABLE - %c:\n",
2473 if (drivetype == DRIVE_REMOVABLE)
2474 SET_AX( context, 0 ); /* removable */
2476 SET_AX( context, 1 ); /* not removable */
2479 case 0x09: /* CHECK IF BLOCK DEVICE REMOTE */
2480 TRACE( "IOCTL - CHECK IF BLOCK DEVICE REMOTE - %c:\n",
2483 if (drivetype == DRIVE_REMOTE)
2484 SET_DX( context, (1<<9) | (1<<12) ); /* remote + no direct IO */
2486 SET_DX( context, 0 ); /* FIXME: use driver attr here */
2489 case 0x0d: /* GENERIC BLOCK DEVICE REQUEST */
2490 /* Get pointer to IOCTL parameter block */
2491 dataptr = CTX_SEG_OFF_TO_LIN(context, context->SegDs, context->Edx);
2493 switch (CX_reg(context))
2495 case 0x0841: /* write logical device track */
2496 TRACE( "GENERIC IOCTL - Write logical device track - %c:\n",
2499 WORD head = *(WORD *)(dataptr+1);
2500 WORD cyl = *(WORD *)(dataptr+3);
2501 WORD sect = *(WORD *)(dataptr+5);
2502 WORD nrsect = *(WORD *)(dataptr+7);
2503 BYTE *data = CTX_SEG_OFF_TO_LIN(context, *(WORD *)(dataptr+11), *(WORD *)(dataptr+9));
2504 WORD cyl_cnt, head_cnt, sec_cnt;
2506 /* FIXME: we're faking some values here */
2512 SET_AX( context, ERROR_WRITE_FAULT );
2523 if (!DOSVM_RawWrite(drive, INT21_Ioctl_CylHeadSect2Lin(cyl, head, sect, cyl_cnt, head_cnt, sec_cnt), nrsect, data, FALSE))
2525 SET_AX( context, ERROR_WRITE_FAULT );
2531 case 0x084a: /* lock logical volume */
2532 TRACE( "GENERIC IOCTL - Lock logical volume, level %d mode %d - %c:\n",
2533 BH_reg(context), DX_reg(context), 'A' + drive );
2536 case 0x0860: /* get device parameters */
2537 /* FIXME: we're faking some values here */
2538 /* used by w4wgrp's winfile */
2539 memset(dataptr, 0, 0x20); /* DOS 6.22 uses 0x20 bytes */
2541 dataptr[6] = 0; /* media type */
2544 dataptr[1] = 0x05; /* fixed disk */
2545 setword(&dataptr[2], 0x01); /* non removable */
2546 setword(&dataptr[4], 0x300); /* # of cylinders */
2550 dataptr[1] = 0x07; /* block dev, floppy */
2551 setword(&dataptr[2], 0x02); /* removable */
2552 setword(&dataptr[4], 80); /* # of cylinders */
2554 CreateBPB(drive, &dataptr[7], TRUE);
2555 RESET_CFLAG(context);
2558 case 0x0861: /* read logical device track */
2559 TRACE( "GENERIC IOCTL - Read logical device track - %c:\n",
2562 WORD head = *(WORD *)(dataptr+1);
2563 WORD cyl = *(WORD *)(dataptr+3);
2564 WORD sect = *(WORD *)(dataptr+5);
2565 WORD nrsect = *(WORD *)(dataptr+7);
2566 BYTE *data = CTX_SEG_OFF_TO_LIN(context, *(WORD *)(dataptr+11), *(WORD *)(dataptr+9));
2567 WORD cyl_cnt, head_cnt, sec_cnt;
2569 /* FIXME: we're faking some values here */
2583 if (!DOSVM_RawRead(drive, INT21_Ioctl_CylHeadSect2Lin(cyl, head, sect, cyl_cnt, head_cnt, sec_cnt), nrsect, data, FALSE))
2585 SET_AX( context, ERROR_READ_FAULT );
2591 case 0x0866: /* get volume serial number */
2593 WCHAR label[12],fsname[9];
2596 drivespec[0] += drive;
2597 GetVolumeInformationW(drivespec, label, 12, &serial, NULL, NULL, fsname, 9);
2598 *(WORD*)dataptr = 0;
2599 memcpy(dataptr+2,&serial,4);
2600 WideCharToMultiByte(CP_OEMCP, 0, label, 11, (LPSTR)dataptr + 6, 11, NULL, NULL);
2601 WideCharToMultiByte(CP_OEMCP, 0, fsname, 8, (LPSTR)dataptr + 17, 8, NULL, NULL);
2605 case 0x086a: /* unlock logical volume */
2606 TRACE( "GENERIC IOCTL - Logical volume unlocked - %c:\n",
2610 case 0x086f: /* get drive map information */
2611 memset(dataptr+1, '\0', dataptr[0]-1);
2612 dataptr[1] = dataptr[0];
2613 dataptr[2] = 0x07; /* protected mode driver; no eject; no notification */
2614 dataptr[3] = 0xFF; /* no physical drive */
2618 /* Trial and error implementation */
2619 SET_AX( context, drivetype == DRIVE_UNKNOWN ? 0x0f : 0x01 );
2620 SET_CFLAG(context); /* Seems to be set all the time */
2624 INT_BARF( context, 0x21 );
2628 case 0x0e: /* GET LOGICAL DRIVE MAP */
2629 TRACE( "IOCTL - GET LOGICAL DRIVE MAP - %c:\n",
2631 /* FIXME: this is not correct if drive has mappings */
2632 SET_AL( context, 0 ); /* drive has no mapping */
2635 case 0x0f: /* SET LOGICAL DRIVE MAP */
2636 TRACE("IOCTL - SET LOGICAL DRIVE MAP for drive %s\n",
2637 INT21_DriveName( BL_reg(context)));
2638 /* FIXME: as of today, we don't support logical drive mapping... */
2639 SET_AL( context, 0 );
2642 case 0x11: /* QUERY GENERIC IOCTL CAPABILITY */
2644 INT_BARF( context, 0x21 );
2649 /***********************************************************************
2650 * INT21_IoctlScsiMgrHandler
2652 * IOCTL handler for the SCSIMGR device.
2654 static void INT21_IoctlScsiMgrHandler( CONTEXT86 *context )
2656 switch (AL_reg(context))
2658 case 0x00: /* GET DEVICE INFORMATION */
2659 SET_DX( context, 0xc0c0 );
2662 case 0x02: /* READ FROM CHARACTER DEVICE CONTROL CHANNEL */
2663 DOSVM_ASPIHandler(context);
2666 case 0x0a: /* CHECK IF HANDLE IS REMOTE */
2667 SET_DX( context, 0 );
2670 case 0x01: /* SET DEVICE INFORMATION */
2671 case 0x03: /* WRITE TO CHARACTER DEVICE CONTROL CHANNEL */
2672 case 0x06: /* GET INPUT STATUS */
2673 case 0x07: /* GET OUTPUT STATUS */
2674 case 0x0c: /* GENERIC CHARACTER DEVICE REQUEST */
2675 case 0x10: /* QUERY GENERIC IOCTL CAPABILITY */
2677 INT_BARF( context, 0x21 );
2683 /***********************************************************************
2684 * INT21_IoctlEMSHandler
2686 * IOCTL handler for the EMXXXX0 device.
2688 static void INT21_IoctlEMSHandler( CONTEXT86 *context )
2690 EMS_Ioctl_Handler(context);
2694 /***********************************************************************
2695 * INT21_IoctlHPScanHandler
2697 * IOCTL handler for the HPSCAN device.
2699 static void INT21_IoctlHPScanHandler( CONTEXT86 *context )
2701 switch (AL_reg(context))
2703 case 0x00: /* GET DEVICE INFORMATION */
2704 SET_DX( context, 0xc0c0 );
2707 case 0x0a: /* CHECK IF HANDLE IS REMOTE */
2708 SET_DX( context, 0 );
2711 case 0x01: /* SET DEVICE INFORMATION */
2712 case 0x02: /* READ FROM CHARACTER DEVICE CONTROL CHANNEL */
2713 case 0x03: /* WRITE TO CHARACTER DEVICE CONTROL CHANNEL */
2714 case 0x06: /* GET INPUT STATUS */
2715 case 0x07: /* GET OUTPUT STATUS */
2716 case 0x0c: /* GENERIC CHARACTER DEVICE REQUEST */
2717 case 0x10: /* QUERY GENERIC IOCTL CAPABILITY */
2719 INT_BARF( context, 0x21 );
2725 /***********************************************************************
2728 * Handler for character device IOCTLs.
2730 static void INT21_Ioctl_Char( CONTEXT86 *context )
2734 int IsConsoleIOHandle = 0;
2735 HANDLE handle = DosFileHandleToWin32Handle(BX_reg(context));
2737 status = wine_server_handle_to_fd( handle, 0, &fd, NULL );
2740 if( VerifyConsoleIoHandle( handle))
2741 IsConsoleIOHandle = 1;
2743 SET_AX( context, RtlNtStatusToDosError(status) );
2744 SET_CFLAG( context );
2749 IsConsoleIOHandle = isatty( fd);
2750 wine_server_release_fd( handle, fd );
2751 for (i = 0; i < NB_MAGIC_DEVICES; i++)
2753 if (!magic_devices[i].handle) continue;
2754 if (magic_devices[i].dev == st.st_dev &&
2755 magic_devices[i].ino == st.st_ino)
2758 magic_devices[i].ioctl_handler( context );
2764 /* no magic device found, do default handling */
2766 switch (AL_reg(context))
2768 case 0x00: /* GET DEVICE INFORMATION */
2769 TRACE( "IOCTL - GET DEVICE INFORMATION - %d\n", BX_reg(context) );
2770 if (IsConsoleIOHandle || S_ISCHR(st.st_mode))
2773 * Returns attribute word in DX:
2774 * Bit 14 - Device driver can process IOCTL requests.
2775 * Bit 13 - Output until busy supported.
2776 * Bit 11 - Driver supports OPEN/CLOSE calls.
2778 * Bit 7 - Set (indicates device).
2779 * Bit 6 - EOF on input.
2780 * Bit 5 - Raw (binary) mode.
2781 * Bit 4 - Device is special (uses int29).
2782 * Bit 3 - Clock device.
2783 * Bit 2 - NUL device.
2784 * Bit 1 - Console output device.
2785 * Bit 0 - Console input device.
2787 SET_DX( context, IsConsoleIOHandle ? 0x80c3 : 0x80c0 /* FIXME */ );
2792 * Returns attribute word in DX:
2793 * Bit 15 - File is remote.
2794 * Bit 14 - Don't set file date/time on closing.
2795 * Bit 11 - Media not removable.
2796 * Bit 8 - Generate int24 if no disk space on write
2797 * or read past end of file
2798 * Bit 7 - Clear (indicates file).
2799 * Bit 6 - File has not been written.
2800 * Bit 5..0 - Drive number (0=A:,...)
2802 * FIXME: Should check if file is on remote or removable drive.
2803 * FIXME: Should use drive file is located on (and not current).
2805 SET_DX( context, 0x0140 + INT21_GetCurrentDrive() );
2809 case 0x0a: /* CHECK IF HANDLE IS REMOTE */
2810 TRACE( "IOCTL - CHECK IF HANDLE IS REMOTE - %d\n", BX_reg(context) );
2812 * Returns attribute word in DX:
2813 * Bit 15 - Set if remote.
2814 * Bit 14 - Set if date/time not set on close.
2816 * FIXME: Should check if file is on remote drive.
2818 SET_DX( context, 0 );
2821 case 0x01: /* SET DEVICE INFORMATION */
2822 case 0x02: /* READ FROM CHARACTER DEVICE CONTROL CHANNEL */
2823 case 0x03: /* WRITE TO CHARACTER DEVICE CONTROL CHANNEL */
2824 case 0x06: /* GET INPUT STATUS */
2825 case 0x07: /* GET OUTPUT STATUS */
2826 case 0x0c: /* GENERIC CHARACTER DEVICE REQUEST */
2827 case 0x10: /* QUERY GENERIC IOCTL CAPABILITY */
2829 INT_BARF( context, 0x21 );
2835 /***********************************************************************
2838 * Handler for function 0x44.
2840 static void INT21_Ioctl( CONTEXT86 *context )
2842 switch (AL_reg(context))
2848 INT21_Ioctl_Char( context );
2853 INT21_Ioctl_Block( context );
2858 INT21_Ioctl_Char( context );
2863 INT21_Ioctl_Block( context );
2867 INT21_Ioctl_Char( context );
2870 case 0x0b: /* SET SHARING RETRY COUNT */
2871 TRACE( "SET SHARING RETRY COUNT: Pause %d, retries %d.\n",
2872 CX_reg(context), DX_reg(context) );
2873 if (!CX_reg(context))
2875 SET_AX( context, 1 );
2876 SET_CFLAG( context );
2880 DOSDEV_SetSharingRetry( CX_reg(context), DX_reg(context) );
2881 RESET_CFLAG( context );
2886 INT21_Ioctl_Char( context );
2892 INT21_Ioctl_Block( context );
2896 INT21_Ioctl_Char( context );
2900 INT21_Ioctl_Block( context );
2903 case 0x12: /* DR DOS - DETERMINE DOS TYPE (OBSOLETE FUNCTION) */
2904 TRACE( "DR DOS - DETERMINE DOS TYPE (OBSOLETE FUNCTION)\n" );
2905 SET_CFLAG(context); /* Error / This is not DR DOS. */
2906 SET_AX( context, 0x0001 ); /* Invalid function */
2909 case 0x52: /* DR DOS - DETERMINE DOS TYPE */
2910 TRACE( "DR DOS - DETERMINE DOS TYPE\n" );
2911 SET_CFLAG(context); /* Error / This is not DR DOS. */
2912 SET_AX( context, 0x0001 ); /* Invalid function */
2915 case 0xe0: /* Sun PC-NFS API */
2916 TRACE( "Sun PC-NFS API\n" );
2921 INT_BARF( context, 0x21 );
2926 /***********************************************************************
2929 * Handler for function 0x73.
2931 static BOOL INT21_Fat32( CONTEXT86 *context )
2933 switch (AL_reg(context))
2935 case 0x02: /* FAT32 - GET EXTENDED DPB */
2937 BYTE drive = INT21_MapDrive( DL_reg(context) );
2938 WORD *ptr = CTX_SEG_OFF_TO_LIN(context,
2939 context->SegEs, context->Edi);
2940 INT21_DPB *target = (INT21_DPB*)(ptr + 1);
2943 TRACE( "FAT32 - GET EXTENDED DPB %d\n", DL_reg(context) );
2945 if ( CX_reg(context) < sizeof(INT21_DPB) + 2 || *ptr < sizeof(INT21_DPB) )
2947 SetLastError( ERROR_BAD_LENGTH );
2951 if ( !INT21_FillDrivePB( drive ) )
2953 SetLastError( ERROR_INVALID_DRIVE );
2957 source = &INT21_GetHeapPointer()->misc_dpb_list[drive];
2959 *ptr = sizeof(INT21_DPB);
2960 memcpy( target, source, sizeof(INT21_DPB));
2962 if (LOWORD(context->Esi) != 0xF1A6)
2964 target->driver_header = 0;
2969 FIXME( "Caller requested driver and next DPB pointers!\n" );
2974 case 0x03: /* FAT32 - GET EXTENDED FREE SPACE ON DRIVE */
2976 WCHAR dirW[MAX_PATH];
2977 char *dirA = CTX_SEG_OFF_TO_LIN( context,
2978 context->SegDs, context->Edx );
2979 BYTE *data = CTX_SEG_OFF_TO_LIN( context,
2980 context->SegEs, context->Edi );
2981 DWORD cluster_sectors;
2983 DWORD free_clusters;
2984 DWORD total_clusters;
2986 TRACE( "FAT32 - GET EXTENDED FREE SPACE ON DRIVE %s\n", dirA );
2987 MultiByteToWideChar(CP_OEMCP, 0, dirA, -1, dirW, MAX_PATH);
2989 if (CX_reg(context) < 44)
2991 SetLastError( ERROR_BAD_LENGTH );
2995 if (!GetDiskFreeSpaceW( dirW, &cluster_sectors, §or_bytes,
2996 &free_clusters, &total_clusters ))
2999 *(WORD*) (data + 0) = 44; /* size of structure */
3000 *(WORD*) (data + 2) = 0; /* version */
3001 *(DWORD*)(data + 4) = cluster_sectors;
3002 *(DWORD*)(data + 8) = sector_bytes;
3003 *(DWORD*)(data + 12) = free_clusters;
3004 *(DWORD*)(data + 16) = total_clusters;
3007 * Below we have free/total sectors and
3008 * free/total allocation units without adjustment
3009 * for compression. We fake both using cluster information.
3011 *(DWORD*)(data + 20) = free_clusters * cluster_sectors;
3012 *(DWORD*)(data + 24) = total_clusters * cluster_sectors;
3013 *(DWORD*)(data + 28) = free_clusters;
3014 *(DWORD*)(data + 32) = total_clusters;
3017 * Between (data + 36) and (data + 43) there
3018 * are eight reserved bytes.
3024 INT_BARF( context, 0x21 );
3030 static void INT21_ConvertFindDataWtoA(WIN32_FIND_DATAA *dataA,
3031 const WIN32_FIND_DATAW *dataW)
3033 dataA->dwFileAttributes = dataW->dwFileAttributes;
3034 dataA->ftCreationTime = dataW->ftCreationTime;
3035 dataA->ftLastAccessTime = dataW->ftLastAccessTime;
3036 dataA->ftLastWriteTime = dataW->ftLastWriteTime;
3037 dataA->nFileSizeHigh = dataW->nFileSizeHigh;
3038 dataA->nFileSizeLow = dataW->nFileSizeLow;
3039 WideCharToMultiByte( CP_OEMCP, 0, dataW->cFileName, -1,
3040 dataA->cFileName, sizeof(dataA->cFileName), NULL, NULL );
3041 WideCharToMultiByte( CP_OEMCP, 0, dataW->cAlternateFileName, -1,
3042 dataA->cAlternateFileName, sizeof(dataA->cAlternateFileName), NULL, NULL );
3045 /***********************************************************************
3046 * INT21_LongFilename
3048 * Handler for function 0x71.
3050 static void INT21_LongFilename( CONTEXT86 *context )
3052 BOOL bSetDOSExtendedError = FALSE;
3053 WCHAR pathW[MAX_PATH];
3056 if (HIBYTE(HIWORD(GetVersion16())) < 0x07)
3058 TRACE( "LONG FILENAME - functions supported only under DOS7\n" );
3059 SET_CFLAG( context );
3060 SET_AL( context, 0 );
3064 switch (AL_reg(context))
3066 case 0x0d: /* RESET DRIVE */
3067 INT_BARF( context, 0x21 );
3070 case 0x39: /* LONG FILENAME - MAKE DIRECTORY */
3071 if (!INT21_CreateDirectory( context ))
3072 bSetDOSExtendedError = TRUE;
3075 case 0x3a: /* LONG FILENAME - REMOVE DIRECTORY */
3076 pathA = CTX_SEG_OFF_TO_LIN(context, context->SegDs, context->Edx);
3078 TRACE( "LONG FILENAME - REMOVE DIRECTORY %s\n", pathA);
3079 MultiByteToWideChar(CP_OEMCP, 0, pathA, -1, pathW, MAX_PATH);
3080 if (!RemoveDirectoryW( pathW )) bSetDOSExtendedError = TRUE;
3083 case 0x3b: /* LONG FILENAME - CHANGE DIRECTORY */
3084 if (!INT21_SetCurrentDirectory( context ))
3085 bSetDOSExtendedError = TRUE;
3088 case 0x41: /* LONG FILENAME - DELETE FILE */
3089 pathA = CTX_SEG_OFF_TO_LIN(context, context->SegDs, context->Edx);
3091 TRACE( "LONG FILENAME - DELETE FILE %s\n", pathA );
3092 MultiByteToWideChar(CP_OEMCP, 0, pathA, -1, pathW, MAX_PATH);
3094 if (!DeleteFileW( pathW )) bSetDOSExtendedError = TRUE;
3097 case 0x43: /* LONG FILENAME - EXTENDED GET/SET FILE ATTRIBUTES */
3098 if (!INT21_FileAttributes( context, BL_reg(context), TRUE ))
3099 bSetDOSExtendedError = TRUE;
3102 case 0x47: /* LONG FILENAME - GET CURRENT DIRECTORY */
3103 if (!INT21_GetCurrentDirectory( context, TRUE ))
3104 bSetDOSExtendedError = TRUE;
3107 case 0x4e: /* LONG FILENAME - FIND FIRST MATCHING FILE */
3111 WIN32_FIND_DATAW dataW;
3112 WIN32_FIND_DATAA* dataA;
3114 pathA = CTX_SEG_OFF_TO_LIN(context, context->SegDs,context->Edx);
3115 TRACE(" LONG FILENAME - FIND FIRST MATCHING FILE for %s\n", pathA);
3117 MultiByteToWideChar(CP_OEMCP, 0, pathA, -1, pathW, MAX_PATH);
3118 handle = FindFirstFileW(pathW, &dataW);
3120 dataA = (WIN32_FIND_DATAA *)CTX_SEG_OFF_TO_LIN(context, context->SegEs,
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 = (WIN32_FIND_DATAA *)CTX_SEG_OFF_TO_LIN(context, context->SegEs,
3153 if (h16 != INVALID_HANDLE_VALUE16 && (ptr = GlobalLock16( h16 )))
3155 if (!FindNextFileW(*ptr, &dataW)) bSetDOSExtendedError = TRUE;
3156 else INT21_ConvertFindDataWtoA(dataA, &dataW);
3157 GlobalUnlock16( h16 );
3161 SetLastError( ERROR_INVALID_HANDLE );
3162 bSetDOSExtendedError = TRUE;
3167 case 0x56: /* LONG FILENAME - RENAME FILE */
3168 if (!INT21_RenameFile(context))
3169 bSetDOSExtendedError = TRUE;
3172 case 0x60: /* LONG FILENAME - CONVERT PATH */
3174 WCHAR res[MAX_PATH];
3176 switch (CL_reg(context))
3178 case 0x00: /* "truename" - Canonicalize path */
3180 * FIXME: This is not 100% equal to 0x01 case,
3181 * if you fix this, fix int21 subfunction 0x60, too.
3184 case 0x01: /* Get short filename or path */
3185 MultiByteToWideChar(CP_OEMCP, 0, CTX_SEG_OFF_TO_LIN(context, context->SegDs, context->Esi), -1, pathW, MAX_PATH);
3186 if (!GetShortPathNameW(pathW, res, 67))
3187 bSetDOSExtendedError = TRUE;
3190 SET_AX( context, 0 );
3191 WideCharToMultiByte(CP_OEMCP, 0, res, -1,
3192 CTX_SEG_OFF_TO_LIN(context, context->SegEs, context->Edi),
3197 case 0x02: /* Get canonical long filename or path */
3198 MultiByteToWideChar(CP_OEMCP, 0, CTX_SEG_OFF_TO_LIN(context, context->SegDs, context->Esi), -1, pathW, MAX_PATH);
3199 if (!GetFullPathNameW(pathW, 128, res, NULL))
3200 bSetDOSExtendedError = TRUE;
3203 SET_AX( context, 0 );
3204 WideCharToMultiByte(CP_OEMCP, 0, res, -1,
3205 CTX_SEG_OFF_TO_LIN(context, context->SegEs, context->Edi),
3210 FIXME("Unimplemented long file name function:\n");
3211 INT_BARF( context, 0x21 );
3213 SET_AL( context, 0 );
3219 case 0x6c: /* LONG FILENAME - CREATE OR OPEN FILE */
3220 if (!INT21_CreateFile( context, context->Esi, TRUE,
3221 BX_reg(context), DL_reg(context) ))
3222 bSetDOSExtendedError = TRUE;
3225 case 0xa0: /* LONG FILENAME - GET VOLUME INFORMATION */
3227 DWORD filename_len, flags;
3230 pathA = CTX_SEG_OFF_TO_LIN(context, context->SegDs,context->Edx);
3232 TRACE("LONG FILENAME - GET VOLUME INFORMATION for drive having root dir '%s'.\n", pathA);
3233 SET_AX( context, 0 );
3234 MultiByteToWideChar(CP_OEMCP, 0, pathA, -1, pathW, MAX_PATH);
3235 if (!GetVolumeInformationW( pathW, NULL, 0, NULL, &filename_len,
3238 INT_BARF( context, 0x21 );
3242 SET_BX( context, flags | 0x4000 ); /* support for LFN functions */
3243 SET_CX( context, filename_len );
3244 SET_DX( context, MAX_PATH ); /* FIXME: which len if DRIVE_SHORT_NAMES ? */
3245 WideCharToMultiByte(CP_OEMCP, 0, dstW, -1,
3246 CTX_SEG_OFF_TO_LIN(context, context->SegEs, context->Edi),
3251 case 0xa1: /* LONG FILENAME - "FindClose" - TERMINATE DIRECTORY SEARCH */
3253 HGLOBAL16 h16 = BX_reg(context);
3256 TRACE("LONG FILENAME - FINDCLOSE for handle %d\n",
3258 if (h16 != INVALID_HANDLE_VALUE16 && (ptr = GlobalLock16( h16 )))
3260 if (!FindClose( *ptr )) bSetDOSExtendedError = TRUE;
3261 GlobalUnlock16( h16 );
3262 GlobalFree16( h16 );
3266 SetLastError( ERROR_INVALID_HANDLE );
3267 bSetDOSExtendedError = TRUE;
3272 case 0xa6: /* LONG FILENAME - GET FILE INFO BY HANDLE */
3274 HANDLE handle = DosFileHandleToWin32Handle(BX_reg(context));
3275 BY_HANDLE_FILE_INFORMATION *info =
3276 CTX_SEG_OFF_TO_LIN(context, context->SegDs, context->Edx);
3278 TRACE( "LONG FILENAME - GET FILE INFO BY HANDLE\n" );
3280 if (!GetFileInformationByHandle(handle, info))
3281 bSetDOSExtendedError = TRUE;
3285 case 0xa7: /* LONG FILENAME - CONVERT TIME */
3286 switch (BL_reg(context))
3288 case 0x00: /* FILE TIME TO DOS TIME */
3291 FILETIME *filetime = CTX_SEG_OFF_TO_LIN(context,
3295 TRACE( "LONG FILENAME - FILE TIME TO DOS TIME\n" );
3297 FileTimeToDosDateTime( filetime, &date, &time );
3299 SET_DX( context, date );
3300 SET_CX( context, time );
3303 * FIXME: BH has number of 10-millisecond units
3306 SET_BH( context, 0 );
3310 case 0x01: /* DOS TIME TO FILE TIME */
3312 FILETIME *filetime = CTX_SEG_OFF_TO_LIN(context,
3316 TRACE( "LONG FILENAME - DOS TIME TO FILE TIME\n" );
3319 * FIXME: BH has number of 10-millisecond units
3322 DosDateTimeToFileTime( DX_reg(context), CX_reg(context),
3328 INT_BARF( context, 0x21 );
3333 case 0xa8: /* LONG FILENAME - GENERATE SHORT FILENAME */
3334 case 0xa9: /* LONG FILENAME - SERVER CREATE OR OPEN FILE */
3335 case 0xaa: /* LONG FILENAME - SUBST */
3337 FIXME("Unimplemented long file name function:\n");
3338 INT_BARF( context, 0x21 );
3340 SET_AL( context, 0 );
3344 if (bSetDOSExtendedError)
3346 SET_AX( context, GetLastError() );
3347 SET_CFLAG( context );
3352 /***********************************************************************
3357 * - subfunction 0x56 of function 0x71
3358 * - subfunction 0xff of function 0x43 (CL == 0x56)
3360 static BOOL INT21_RenameFile( CONTEXT86 *context )
3362 WCHAR fromW[MAX_PATH];
3363 WCHAR toW[MAX_PATH];
3364 char *fromA = CTX_SEG_OFF_TO_LIN(context,
3365 context->SegDs,context->Edx);
3366 char *toA = CTX_SEG_OFF_TO_LIN(context,
3367 context->SegEs,context->Edi);
3369 TRACE( "RENAME FILE %s to %s\n", fromA, toA );
3370 MultiByteToWideChar(CP_OEMCP, 0, fromA, -1, fromW, MAX_PATH);
3371 MultiByteToWideChar(CP_OEMCP, 0, toA, -1, toW, MAX_PATH);
3373 return MoveFileW( fromW, toW );
3377 /***********************************************************************
3383 static BOOL INT21_NetworkFunc (CONTEXT86 *context)
3385 switch (AL_reg(context))
3387 case 0x00: /* Get machine name. */
3389 WCHAR dstW[MAX_COMPUTERNAME_LENGTH + 1];
3390 DWORD s = sizeof(dstW) / sizeof(WCHAR);
3393 char *dst = CTX_SEG_OFF_TO_LIN (context,context->SegDs,context->Edx);
3394 TRACE("getting machine name to %p\n", dst);
3395 if (!GetComputerNameW(dstW, &s) ||
3396 !WideCharToMultiByte(CP_OEMCP, 0, dstW, -1, dst, 16, NULL, NULL))
3399 SetLastError( ER_NoNetwork );
3402 for (len = strlen(dst); len < 15; len++) dst[len] = ' ';
3404 SET_CH( context, 1 ); /* Valid */
3405 SET_CL( context, 1 ); /* NETbios number??? */
3406 TRACE("returning %s\n", debugstr_an(dst, 16));
3411 SetLastError( ER_NoNetwork );
3416 /******************************************************************
3417 * INT21_GetDiskSerialNumber
3420 static int INT21_GetDiskSerialNumber( CONTEXT86 *context )
3422 BYTE *dataptr = CTX_SEG_OFF_TO_LIN(context, context->SegDs, context->Edx);
3423 WCHAR path[] = {'A',':',0}, label[11];
3426 path[0] += INT21_MapDrive(BL_reg(context));
3427 if (!GetVolumeInformationW( path, label, 11, &serial, NULL, NULL, NULL, 0))
3429 SetLastError( ERROR_INVALID_DRIVE );
3433 *(WORD *)dataptr = 0;
3434 memcpy(dataptr + 2, &serial, sizeof(DWORD));
3435 WideCharToMultiByte(CP_OEMCP, 0, label, 11, (LPSTR)dataptr + 6, 11, NULL, NULL);
3436 memcpy(dataptr + 17, "FAT16 ", 8);
3441 /******************************************************************
3442 * INT21_SetDiskSerialNumber
3445 static int INT21_SetDiskSerialNumber( CONTEXT86 *context )
3448 BYTE *dataptr = CTX_SEG_OFF_TO_LIN(context, context->SegDs, context->Edx);
3449 int drive = INT21_MapDrive(BL_reg(context));
3451 if (!is_valid_drive(drive))
3453 SetLastError( ERROR_INVALID_DRIVE );
3457 DRIVE_SetSerialNumber( drive, *(DWORD *)(dataptr + 2) );
3460 FIXME("Setting drive serial number is no longer supported\n");
3461 SetLastError( ERROR_NOT_SUPPORTED );
3467 /******************************************************************
3468 * INT21_GetFreeDiskSpace
3471 static int INT21_GetFreeDiskSpace( CONTEXT86 *context )
3473 DWORD cluster_sectors, sector_bytes, free_clusters, total_clusters;
3474 WCHAR root[] = {'A',':','\\',0};
3476 root[0] += INT21_MapDrive(DL_reg(context));
3477 if (!GetDiskFreeSpaceW( root, &cluster_sectors, §or_bytes,
3478 &free_clusters, &total_clusters )) return 0;
3479 /* make sure that the number of clusters fits in a 16 bits value */
3480 while( total_clusters & 0xffff0000) {
3481 cluster_sectors <<= 1;
3482 free_clusters >>= 1;
3483 total_clusters >>= 1;
3485 SET_AX( context, cluster_sectors );
3486 SET_BX( context, free_clusters );
3487 SET_CX( context, sector_bytes );
3488 SET_DX( context, total_clusters );
3492 /******************************************************************
3493 * INT21_GetDriveAllocInfo
3496 static int INT21_GetDriveAllocInfo( CONTEXT86 *context, BYTE drive )
3500 drive = INT21_MapDrive( drive );
3501 if (!INT21_FillDrivePB( drive )) return 0;
3502 dpb = &(INT21_GetHeapPointer()->misc_dpb_list[drive]);
3503 SET_AL( context, dpb->cluster_sectors + 1 );
3504 SET_CX( context, dpb->sector_bytes );
3505 SET_DX( context, dpb->num_clusters1 );
3507 context->SegDs = INT21_GetHeapSelector( context );
3508 SET_BX( context, offsetof( INT21_HEAP, misc_dpb_list[drive].media_ID ) );
3512 /***********************************************************************
3513 * INT21_GetExtendedError
3515 static void INT21_GetExtendedError( CONTEXT86 *context )
3517 BYTE class, action, locus;
3518 WORD error = GetLastError();
3523 class = action = locus = 0;
3525 case ERROR_DIR_NOT_EMPTY:
3530 case ERROR_ACCESS_DENIED:
3531 class = EC_AccessDenied;
3535 case ERROR_CANNOT_MAKE:
3536 class = EC_AccessDenied;
3540 case ERROR_DISK_FULL:
3541 case ERROR_HANDLE_DISK_FULL:
3542 class = EC_MediaError;
3546 case ERROR_FILE_EXISTS:
3547 case ERROR_ALREADY_EXISTS:
3552 case ERROR_FILE_NOT_FOUND:
3553 class = EC_NotFound;
3557 case ERROR_GEN_FAILURE:
3558 class = EC_SystemFailure;
3562 case ERROR_INVALID_DRIVE:
3563 class = EC_MediaError;
3567 case ERROR_INVALID_HANDLE:
3568 class = EC_ProgramError;
3572 case ERROR_LOCK_VIOLATION:
3573 class = EC_AccessDenied;
3577 case ERROR_NO_MORE_FILES:
3578 class = EC_MediaError;
3583 class = EC_NotFound;
3587 case ERROR_NOT_ENOUGH_MEMORY:
3588 class = EC_OutOfResource;
3592 case ERROR_PATH_NOT_FOUND:
3593 class = EC_NotFound;
3598 class = EC_NotFound;
3602 case ERROR_SHARING_VIOLATION:
3603 class = EC_Temporary;
3607 case ERROR_TOO_MANY_OPEN_FILES:
3608 class = EC_ProgramError;
3613 FIXME("Unknown error %d\n", error );
3614 class = EC_SystemFailure;
3619 TRACE("GET EXTENDED ERROR code 0x%02x class 0x%02x action 0x%02x locus %02x\n",
3620 error, class, action, locus );
3621 SET_AX( context, error );
3622 SET_BH( context, class );
3623 SET_BL( context, action );
3624 SET_CH( context, locus );
3627 static BOOL INT21_CreateTempFile( CONTEXT86 *context )
3629 static int counter = 0;
3630 char *name = CTX_SEG_OFF_TO_LIN(context, context->SegDs, context->Edx );
3631 char *p = name + strlen(name);
3633 /* despite what Ralf Brown says, some programs seem to call without
3634 * ending backslash (DOS accepts that, so we accept it too) */
3635 if ((p == name) || (p[-1] != '\\')) *p++ = '\\';
3639 sprintf( p, "wine%04x.%03d", (int)getpid(), counter );
3640 counter = (counter + 1) % 1000;
3643 Win32HandleToDosFileHandle(
3644 CreateFileA( name, GENERIC_READ | GENERIC_WRITE,
3645 FILE_SHARE_READ | FILE_SHARE_WRITE, NULL,
3646 CREATE_NEW, 0, 0 ) ) );
3647 if (AX_reg(context) != HFILE_ERROR16)
3649 TRACE("created %s\n", name );
3652 if (GetLastError() != ERROR_FILE_EXISTS) return FALSE;
3656 /***********************************************************************
3657 * DOSFS_ToDosFCBFormat
3659 * Convert a file name to DOS FCB format (8+3 chars, padded with blanks),
3660 * expanding wild cards and converting to upper-case in the process.
3661 * File name can be terminated by '\0', '\\' or '/'.
3662 * Return FALSE if the name is not a valid DOS name.
3663 * 'buffer' must be at least 12 characters long.
3665 /* Chars we don't want to see in DOS file names */
3666 static BOOL INT21_ToDosFCBFormat( LPCWSTR name, LPWSTR buffer )
3668 static const WCHAR invalid_chars[] = {'*','?','<','>','|','\\','"','+','=',',',';','[',']',' ','\345',0};
3672 /* Check for "." and ".." */
3677 for(i = 1; i < 11; i++) buffer[i] = ' ';
3684 return (!*p || (*p == '/') || (*p == '\\'));
3687 for (i = 0; i < 8; i++)
3704 if (strchrW( invalid_chars, *p )) return FALSE;
3705 buffer[i] = toupperW(*p);
3713 /* Skip all chars after wildcard up to first dot */
3714 while (*p && (*p != '/') && (*p != '\\') && (*p != '.')) p++;
3718 /* Check if name too long */
3719 if (*p && (*p != '/') && (*p != '\\') && (*p != '.')) return FALSE;
3721 if (*p == '.') p++; /* Skip dot */
3723 for (i = 8; i < 11; i++)
3733 return FALSE; /* Second extension not allowed */
3741 if (strchrW( invalid_chars, *p )) return FALSE;
3742 buffer[i] = toupperW(*p);
3749 /* at most 3 character of the extension are processed
3750 * is something behind this ?
3752 while (*p == '*' || *p == ' ') p++; /* skip wildcards and spaces */
3753 return (!*p || (*p == '/') || (*p == '\\'));
3756 static HANDLE INT21_FindHandle;
3757 static const WCHAR *INT21_FindPath; /* will point to current dta->fullPath search */
3759 /******************************************************************
3762 static int INT21_FindFirst( CONTEXT86 *context )
3766 FINDFILE_DTA *dta = (FINDFILE_DTA *)INT21_GetCurrentDTA(context);
3767 WCHAR maskW[12], pathW[MAX_PATH];
3768 static const WCHAR wildcardW[] = {'*','.','*',0};
3770 path = (const char *)CTX_SEG_OFF_TO_LIN(context, context->SegDs, context->Edx);
3771 MultiByteToWideChar(CP_OEMCP, 0, path, -1, pathW, MAX_PATH);
3773 p = strrchrW( pathW, '\\');
3774 q = strrchrW( pathW, '/');
3778 if (pathW[0] && pathW[1] == ':') p = pathW + 2;
3783 /* Note: terminating NULL in dta->mask overwrites dta->search_attr
3784 * (doesn't matter as it is set below anyway)
3786 if (!INT21_ToDosFCBFormat( p, maskW ))
3788 SetLastError( ERROR_FILE_NOT_FOUND );
3789 SET_AX( context, ERROR_FILE_NOT_FOUND );
3793 WideCharToMultiByte(CP_OEMCP, 0, maskW, 12, dta->mask, sizeof(dta->mask), NULL, NULL);
3795 dta->fullPath = HeapAlloc( GetProcessHeap(), 0, sizeof(wildcardW) + (p - pathW)*sizeof(WCHAR) );
3796 memcpy( dta->fullPath, pathW, (p - pathW) * sizeof(WCHAR) );
3797 memcpy( dta->fullPath + (p - pathW), wildcardW, sizeof(wildcardW) );
3798 /* we must have a fully qualified file name in dta->fullPath
3799 * (we could have a UNC path, but this would lead to some errors later on)
3801 dta->drive = toupperW(dta->fullPath[0]) - 'A';
3803 dta->search_attr = CL_reg(context);
3807 /******************************************************************
3810 * Check is a short path name (DTA unicode) matches a mask (FCB ansi)
3812 static BOOL match_short(LPCWSTR shortW, LPCSTR maskA)
3814 WCHAR mask[11], file[12];
3817 if (!INT21_ToDosFCBFormat( shortW, file )) return FALSE;
3818 MultiByteToWideChar(CP_OEMCP, 0, maskA, 11, mask, 11);
3819 for (i = 0; i < 11; i++)
3820 if (mask[i] != '?' && mask[i] != file[i]) return FALSE;
3824 static unsigned INT21_FindHelper(LPCWSTR fullPath, unsigned drive, unsigned count,
3825 LPCSTR mask, unsigned search_attr,
3826 WIN32_FIND_DATAW* entry)
3830 if ((search_attr & ~(FA_UNUSED | FA_ARCHIVE | FA_RDONLY)) == FA_LABEL)
3832 WCHAR path[] = {' ',':',0};
3834 if (count) return 0;
3835 path[0] = drive + 'A';
3836 if (!GetVolumeInformationW(path, entry->cAlternateFileName, 13, NULL, NULL, NULL, NULL, 0)) return 0;
3837 RtlSecondsSince1970ToTime( (time_t)0, (LARGE_INTEGER *)&entry->ftCreationTime );
3838 RtlSecondsSince1970ToTime( (time_t)0, (LARGE_INTEGER *)&entry->ftLastAccessTime );
3839 RtlSecondsSince1970ToTime( (time_t)0, (LARGE_INTEGER *)&entry->ftLastWriteTime );
3840 entry->dwFileAttributes = FA_LABEL;
3841 entry->nFileSizeHigh = entry->nFileSizeLow = 0;
3842 TRACE("returning %s as label\n", debugstr_w(entry->cAlternateFileName));
3846 if (!INT21_FindHandle || INT21_FindPath != fullPath || count == 0)
3848 if (INT21_FindHandle) FindClose(INT21_FindHandle);
3849 INT21_FindHandle = FindFirstFileW(fullPath, entry);
3850 if (INT21_FindHandle == INVALID_HANDLE_VALUE)
3852 INT21_FindHandle = 0;
3855 INT21_FindPath = fullPath;
3856 /* we need to resync search */
3861 while (ncalls-- != 0)
3863 if (!FindNextFileW(INT21_FindHandle, entry))
3865 FindClose(INT21_FindHandle); INT21_FindHandle = 0;
3869 while (count < 0xffff)
3872 /* Check the file attributes, and path */
3873 if (!(entry->dwFileAttributes & ~search_attr) &&
3874 match_short(entry->cAlternateFileName[0] ? entry->cAlternateFileName : entry->cFileName,
3879 if (!FindNextFileW(INT21_FindHandle, entry))
3881 FindClose(INT21_FindHandle); INT21_FindHandle = 0;
3885 WARN("Too many directory entries in %s\n", debugstr_w(fullPath) );
3889 /******************************************************************
3892 static int INT21_FindNext( CONTEXT86 *context )
3894 FINDFILE_DTA *dta = (FINDFILE_DTA *)INT21_GetCurrentDTA(context);
3895 DWORD attr = dta->search_attr | FA_UNUSED | FA_ARCHIVE | FA_RDONLY;
3896 WIN32_FIND_DATAW entry;
3899 if (!dta->fullPath) return 0;
3901 n = INT21_FindHelper(dta->fullPath, dta->drive, dta->count,
3902 dta->mask, attr, &entry);
3905 dta->fileattr = entry.dwFileAttributes;
3906 dta->filesize = entry.nFileSizeLow;
3907 FileTimeToDosDateTime( &entry.ftLastWriteTime, &dta->filedate, &dta->filetime );
3908 if (entry.cAlternateFileName[0])
3909 WideCharToMultiByte(CP_OEMCP, 0, entry.cAlternateFileName, -1,
3910 dta->filename, 13, NULL, NULL);
3912 WideCharToMultiByte(CP_OEMCP, 0, entry.cFileName, -1, dta->filename, 13, NULL, NULL);
3914 if (!memchr(dta->mask,'?',11))
3916 /* wildcardless search, release resources in case no findnext will
3917 * be issued, and as a workaround in case file creation messes up
3918 * findnext, as sometimes happens with pkunzip
3920 HeapFree( GetProcessHeap(), 0, dta->fullPath );
3921 INT21_FindPath = dta->fullPath = NULL;
3926 HeapFree( GetProcessHeap(), 0, dta->fullPath );
3927 INT21_FindPath = dta->fullPath = NULL;
3931 /* microsoft's programmers should be shot for using CP/M style int21
3932 calls in Windows for Workgroup's winfile.exe */
3934 /******************************************************************
3935 * INT21_FindFirstFCB
3938 static int INT21_FindFirstFCB( CONTEXT86 *context )
3940 BYTE *fcb = (BYTE *)CTX_SEG_OFF_TO_LIN(context, context->SegDs, context->Edx);
3943 WCHAR p[] = {' ',':',};
3945 if (*fcb == 0xff) pFCB = (FINDFILE_FCB *)(fcb + 7);
3946 else pFCB = (FINDFILE_FCB *)fcb;
3947 drive = INT21_MapDrive( pFCB->drive );
3948 if (drive == MAX_DOS_DRIVES) return 0;
3951 pFCB->fullPath = HeapAlloc(GetProcessHeap(), 0, MAX_PATH * sizeof(WCHAR));
3952 if (!pFCB->fullPath) return 0;
3953 GetLongPathNameW(p, pFCB->fullPath, MAX_PATH);
3958 /******************************************************************
3962 static int INT21_FindNextFCB( CONTEXT86 *context )
3964 BYTE *fcb = (BYTE *)CTX_SEG_OFF_TO_LIN(context, context->SegDs, context->Edx);
3966 LPBYTE pResult = INT21_GetCurrentDTA(context);
3967 DOS_DIRENTRY_LAYOUT *ddl;
3968 WIN32_FIND_DATAW entry;
3973 if (*fcb == 0xff) /* extended FCB ? */
3976 pFCB = (FINDFILE_FCB *)(fcb + 7);
3981 pFCB = (FINDFILE_FCB *)fcb;
3984 if (!pFCB->fullPath) return 0;
3985 n = INT21_FindHelper(pFCB->fullPath, INT21_MapDrive( pFCB->drive ),
3986 pFCB->count, pFCB->filename, attr, &entry);
3989 HeapFree( GetProcessHeap(), 0, pFCB->fullPath );
3990 INT21_FindPath = pFCB->fullPath = NULL;
3997 /* place extended FCB header before pResult if called with extended FCB */
3999 pResult += 6; /* leave reserved field behind */
4000 *pResult++ = entry.dwFileAttributes;
4002 *pResult++ = INT21_MapDrive( pFCB->drive ); /* DOS_DIRENTRY_LAYOUT after current drive number */
4003 ddl = (DOS_DIRENTRY_LAYOUT*)pResult;
4004 ddl->fileattr = entry.dwFileAttributes;
4005 ddl->cluster = 0; /* what else? */
4006 ddl->filesize = entry.nFileSizeLow;
4007 memset( ddl->reserved, 0, sizeof(ddl->reserved) );
4008 FileTimeToDosDateTime( &entry.ftLastWriteTime,
4009 &ddl->filedate, &ddl->filetime );
4011 /* Convert file name to FCB format */
4012 if (entry.cAlternateFileName[0])
4013 INT21_ToDosFCBFormat( entry.cAlternateFileName, nameW );
4015 INT21_ToDosFCBFormat( entry.cFileName, nameW );
4016 WideCharToMultiByte(CP_OEMCP, 0, nameW, 11, ddl->filename, 11, NULL, NULL);
4021 /******************************************************************
4022 * INT21_ParseFileNameIntoFCB
4025 static void INT21_ParseFileNameIntoFCB( CONTEXT86 *context )
4028 CTX_SEG_OFF_TO_LIN(context, context->SegDs, context->Esi );
4030 CTX_SEG_OFF_TO_LIN(context, context->SegEs, context->Edi );
4034 INT buffer_len, len;
4036 SET_AL( context, 0xff ); /* failed */
4038 TRACE("filename: '%s'\n", filename);
4041 while (*s && (*s != ' ') && (*s != '\r') && (*s != '\n'))
4045 buffer_len = MultiByteToWideChar(CP_OEMCP, 0, filename, len, NULL, 0);
4046 buffer = HeapAlloc( GetProcessHeap(), 0, (buffer_len + 1) * sizeof(WCHAR));
4047 len = MultiByteToWideChar(CP_OEMCP, 0, filename, len, buffer, buffer_len);
4049 INT21_ToDosFCBFormat(buffer, fcbW);
4050 HeapFree(GetProcessHeap(), 0, buffer);
4051 WideCharToMultiByte(CP_OEMCP, 0, fcbW, 12, fcb + 1, 12, NULL, NULL);
4053 TRACE("FCB: '%s'\n", fcb + 1);
4055 SET_AL( context, ((strchr(filename, '*')) || (strchr(filename, '$'))) != 0 );
4057 /* point DS:SI to first unparsed character */
4058 SET_SI( context, context->Esi + (int)s - (int)filename );
4061 static BOOL INT21_Dup2(HFILE16 hFile1, HFILE16 hFile2)
4063 HFILE16 res = HFILE_ERROR16;
4064 HANDLE handle, new_handle;
4065 #define DOS_TABLE_SIZE 256
4066 DWORD map[DOS_TABLE_SIZE / 32];
4069 handle = DosFileHandleToWin32Handle(hFile1);
4070 if (handle == INVALID_HANDLE_VALUE)
4074 /* now loop to allocate the same one... */
4075 memset(map, 0, sizeof(map));
4076 for (i = 0; i < DOS_TABLE_SIZE; i++)
4078 if (!DuplicateHandle(GetCurrentProcess(), handle,
4079 GetCurrentProcess(), &new_handle,
4080 0, FALSE, DUPLICATE_SAME_ACCESS))
4082 res = HFILE_ERROR16;
4085 res = Win32HandleToDosFileHandle(new_handle);
4086 if (res == HFILE_ERROR16 || res == hFile2) break;
4087 map[res / 32] |= 1 << (res % 32);
4089 /* clean up the allocated slots */
4090 for (i = 0; i < DOS_TABLE_SIZE; i++)
4092 if (map[i / 32] & (1 << (i % 32)))
4093 _lclose16((HFILE16)i);
4095 return res == hFile2;
4099 /***********************************************************************
4100 * DOSVM_Int21Handler
4102 * Interrupt 0x21 handler.
4104 void WINAPI DOSVM_Int21Handler( CONTEXT86 *context )
4106 BOOL bSetDOSExtendedError = FALSE;
4108 TRACE( "AX=%04x BX=%04x CX=%04x DX=%04x "
4109 "SI=%04x DI=%04x DS=%04x ES=%04x EFL=%08lx\n",
4110 AX_reg(context), BX_reg(context),
4111 CX_reg(context), DX_reg(context),
4112 SI_reg(context), DI_reg(context),
4113 (WORD)context->SegDs, (WORD)context->SegEs,
4117 * Extended error is used by (at least) functions 0x2f to 0x62.
4118 * Function 0x59 returns extended error and error should not
4119 * be cleared before handling the function.
4121 if (AH_reg(context) >= 0x2f && AH_reg(context) != 0x59)
4124 RESET_CFLAG(context); /* Not sure if this is a good idea. */
4126 switch(AH_reg(context))
4128 case 0x00: /* TERMINATE PROGRAM */
4129 TRACE("TERMINATE PROGRAM\n");
4130 if (DOSVM_IsWin16())
4132 else if(ISV86(context))
4133 MZ_Exit( context, FALSE, 0 );
4135 ERR( "Called from DOS protected mode\n" );
4138 case 0x01: /* READ CHARACTER FROM STANDARD INPUT, WITH ECHO */
4141 TRACE("DIRECT CHARACTER INPUT WITH ECHO\n");
4142 INT21_ReadChar( &ascii, context );
4143 SET_AL( context, ascii );
4145 * FIXME: What to echo when extended keycodes are read?
4147 DOSVM_PutChar(AL_reg(context));
4151 case 0x02: /* WRITE CHARACTER TO STANDARD OUTPUT */
4152 TRACE("Write Character to Standard Output\n");
4153 DOSVM_PutChar(DL_reg(context));
4156 case 0x03: /* READ CHARACTER FROM STDAUX */
4157 case 0x04: /* WRITE CHARACTER TO STDAUX */
4158 case 0x05: /* WRITE CHARACTER TO PRINTER */
4159 INT_BARF( context, 0x21 );
4162 case 0x06: /* DIRECT CONSOLE IN/OUTPUT */
4163 if (DL_reg(context) == 0xff)
4165 TRACE("Direct Console Input\n");
4167 if (INT21_ReadChar( NULL, NULL ))
4170 INT21_ReadChar( &ascii, context );
4171 SET_AL( context, ascii );
4172 RESET_ZFLAG( context );
4176 /* no character available */
4177 SET_AL( context, 0 );
4178 SET_ZFLAG( context );
4183 TRACE("Direct Console Output\n");
4184 DOSVM_PutChar(DL_reg(context));
4186 * At least DOS versions 2.1-7.0 return character
4187 * that was written in AL register.
4189 SET_AL( context, DL_reg(context) );
4193 case 0x07: /* DIRECT CHARACTER INPUT WITHOUT ECHO */
4196 TRACE("DIRECT CHARACTER INPUT WITHOUT ECHO\n");
4197 INT21_ReadChar( &ascii, context );
4198 SET_AL( context, ascii );
4202 case 0x08: /* CHARACTER INPUT WITHOUT ECHO */
4205 TRACE("CHARACTER INPUT WITHOUT ECHO\n");
4206 INT21_ReadChar( &ascii, context );
4207 SET_AL( context, ascii );
4211 case 0x09: /* WRITE STRING TO STANDARD OUTPUT */
4212 TRACE("WRITE '$'-terminated string from %04lX:%04X to stdout\n",
4213 context->SegDs, DX_reg(context) );
4215 LPSTR data = CTX_SEG_OFF_TO_LIN( context,
4216 context->SegDs, context->Edx );
4220 * Do NOT use strchr() to calculate the string length,
4221 * as '\0' is valid string content, too!
4222 * Maybe we should check for non-'$' strings, but DOS doesn't.
4224 while (*p != '$') p++;
4226 if (DOSVM_IsWin16())
4227 WriteFile( DosFileHandleToWin32Handle(1),
4228 data, p - data, &w, NULL );
4230 for(; data != p; data++)
4231 DOSVM_PutChar( *data );
4233 SET_AL( context, '$' ); /* yes, '$' (0x24) gets returned in AL */
4237 case 0x0a: /* BUFFERED INPUT */
4239 BYTE *ptr = CTX_SEG_OFF_TO_LIN(context,
4244 TRACE( "BUFFERED INPUT (size=%d)\n", ptr[0] );
4247 * FIXME: Some documents state that
4248 * ptr[1] holds number of chars from last input which
4249 * may be recalled on entry, other documents do not mention
4253 TRACE( "Handle old chars in buffer!\n" );
4256 * ptr[0] - capacity (includes terminating CR)
4257 * ptr[1] - characters read (excludes terminating CR)
4259 result = INT21_BufferedInput( context, ptr + 2, ptr[0] );
4261 ptr[1] = (BYTE)result - 1;
4267 case 0x0b: /* GET STDIN STATUS */
4268 TRACE( "GET STDIN STATUS\n" );
4270 if (INT21_ReadChar( NULL, NULL ))
4271 SET_AL( context, 0xff ); /* character available */
4273 SET_AL( context, 0 ); /* no character available */
4277 case 0x0c: /* FLUSH BUFFER AND READ STANDARD INPUT */
4279 BYTE al = AL_reg(context); /* Input function to execute after flush. */
4281 TRACE( "FLUSH BUFFER AND READ STANDARD INPUT - 0x%02x\n", al );
4283 /* FIXME: buffers are not flushed */
4286 * If AL is one of 0x01, 0x06, 0x07, 0x08, or 0x0a,
4287 * int21 function identified by AL will be called.
4289 if(al == 0x01 || al == 0x06 || al == 0x07 || al == 0x08 || al == 0x0a)
4291 SET_AH( context, al );
4292 DOSVM_Int21Handler( context );
4297 case 0x0d: /* DISK BUFFER FLUSH */
4298 TRACE("DISK BUFFER FLUSH ignored\n");
4301 case 0x0e: /* SELECT DEFAULT DRIVE */
4302 TRACE( "SELECT DEFAULT DRIVE - %c:\n", 'A' + DL_reg(context) );
4303 INT21_SetCurrentDrive( DL_reg(context) );
4304 SET_AL( context, MAX_DOS_DRIVES );
4307 case 0x0f: /* OPEN FILE USING FCB */
4308 INT21_OpenFileUsingFCB( context );
4311 case 0x10: /* CLOSE FILE USING FCB */
4312 INT21_CloseFileUsingFCB( context );
4315 case 0x11: /* FIND FIRST MATCHING FILE USING FCB */
4316 TRACE("FIND FIRST MATCHING FILE USING FCB %p\n",
4317 CTX_SEG_OFF_TO_LIN(context, context->SegDs, context->Edx));
4318 if (!INT21_FindFirstFCB(context))
4320 SET_AL( context, 0xff );
4323 /* else fall through */
4325 case 0x12: /* FIND NEXT MATCHING FILE USING FCB */
4326 SET_AL( context, INT21_FindNextFCB(context) ? 0x00 : 0xff );
4329 case 0x13: /* DELETE FILE USING FCB */
4330 INT_BARF( context, 0x21 );
4333 case 0x14: /* SEQUENTIAL READ FROM FCB FILE */
4334 INT21_SequentialReadFromFCB( context );
4337 case 0x15: /* SEQUENTIAL WRITE TO FCB FILE */
4338 INT21_SequentialWriteToFCB( context );
4341 case 0x16: /* CREATE OR TRUNCATE FILE USING FCB */
4342 case 0x17: /* RENAME FILE USING FCB */
4343 INT_BARF( context, 0x21 );
4346 case 0x18: /* NULL FUNCTION FOR CP/M COMPATIBILITY */
4347 SET_AL( context, 0 );
4350 case 0x19: /* GET CURRENT DEFAULT DRIVE */
4351 SET_AL( context, INT21_GetCurrentDrive() );
4352 TRACE( "GET CURRENT DRIVE -> %c:\n", 'A' + AL_reg( context ) );
4355 case 0x1a: /* SET DISK TRANSFER AREA ADDRESS */
4356 TRACE( "SET DISK TRANSFER AREA ADDRESS %04lX:%04X\n",
4357 context->SegDs, DX_reg(context) );
4359 TDB *task = GlobalLock16( GetCurrentTask() );
4360 task->dta = MAKESEGPTR( context->SegDs, DX_reg(context) );
4364 case 0x1b: /* GET ALLOCATION INFORMATION FOR DEFAULT DRIVE */
4365 if (!INT21_GetDriveAllocInfo(context, 0))
4366 SET_AX( context, 0xffff );
4369 case 0x1c: /* GET ALLOCATION INFORMATION FOR SPECIFIC DRIVE */
4370 if (!INT21_GetDriveAllocInfo(context, DL_reg(context)))
4371 SET_AX( context, 0xffff );
4374 case 0x1d: /* NULL FUNCTION FOR CP/M COMPATIBILITY */
4375 case 0x1e: /* NULL FUNCTION FOR CP/M COMPATIBILITY */
4376 SET_AL( context, 0 );
4379 case 0x1f: /* GET DRIVE PARAMETER BLOCK FOR DEFAULT DRIVE */
4381 BYTE drive = INT21_MapDrive( 0 );
4382 TRACE( "GET DPB FOR DEFAULT DRIVE\n" );
4384 if (INT21_FillDrivePB( drive ))
4386 SET_AL( context, 0x00 ); /* success */
4387 SET_BX( context, offsetof( INT21_HEAP, misc_dpb_list[drive] ) );
4388 context->SegDs = INT21_GetHeapSelector( context );
4392 SET_AL( context, 0xff ); /* invalid or network drive */
4397 case 0x20: /* NULL FUNCTION FOR CP/M COMPATIBILITY */
4398 SET_AL( context, 0 );
4401 case 0x21: /* READ RANDOM RECORD FROM FCB FILE */
4402 INT21_ReadRandomRecordFromFCB( context );
4405 case 0x22: /* WRITE RANDOM RECORD TO FCB FILE */
4406 INT21_WriteRandomRecordToFCB( context );
4409 case 0x23: /* GET FILE SIZE FOR FCB */
4410 case 0x24: /* SET RANDOM RECORD NUMBER FOR FCB */
4411 INT_BARF( context, 0x21 );
4414 case 0x25: /* SET INTERRUPT VECTOR */
4415 TRACE("SET INTERRUPT VECTOR 0x%02x\n",AL_reg(context));
4417 FARPROC16 ptr = (FARPROC16)MAKESEGPTR( context->SegDs, DX_reg(context) );
4418 if (!ISV86(context) && DOSVM_IsWin16())
4419 DOSVM_SetPMHandler16( AL_reg(context), ptr );
4421 DOSVM_SetRMHandler( AL_reg(context), ptr );
4425 case 0x26: /* CREATE NEW PROGRAM SEGMENT PREFIX */
4426 INT_BARF( context, 0x21 );
4429 case 0x27: /* RANDOM BLOCK READ FROM FCB FILE */
4430 INT21_RandomBlockReadFromFCB( context );
4433 case 0x28: /* RANDOM BLOCK WRITE TO FCB FILE */
4434 INT21_RandomBlockWriteToFCB( context );
4437 case 0x29: /* PARSE FILENAME INTO FCB */
4438 INT21_ParseFileNameIntoFCB(context);
4441 case 0x2a: /* GET SYSTEM DATE */
4442 TRACE( "GET SYSTEM DATE\n" );
4445 GetLocalTime( &systime );
4446 SET_CX( context, systime.wYear );
4447 SET_DH( context, systime.wMonth );
4448 SET_DL( context, systime.wDay );
4449 SET_AL( context, systime.wDayOfWeek );
4453 case 0x2b: /* SET SYSTEM DATE */
4454 TRACE( "SET SYSTEM DATE\n" );
4456 WORD year = CX_reg(context);
4457 BYTE month = DH_reg(context);
4458 BYTE day = DL_reg(context);
4460 if (year >= 1980 && year <= 2099 &&
4461 month >= 1 && month <= 12 &&
4462 day >= 1 && day <= 31)
4464 FIXME( "SetSystemDate(%02d/%02d/%04d): not allowed\n",
4466 SET_AL( context, 0 ); /* Let's pretend we succeeded */
4470 SET_AL( context, 0xff ); /* invalid date */
4471 TRACE( "SetSystemDate(%02d/%02d/%04d): invalid date\n",
4477 case 0x2c: /* GET SYSTEM TIME */
4478 TRACE( "GET SYSTEM TIME\n" );
4481 GetLocalTime( &systime );
4482 SET_CH( context, systime.wHour );
4483 SET_CL( context, systime.wMinute );
4484 SET_DH( context, systime.wSecond );
4485 SET_DL( context, systime.wMilliseconds / 10 );
4489 case 0x2d: /* SET SYSTEM TIME */
4490 if( CH_reg(context) >= 24 || CL_reg(context) >= 60 || DH_reg(context) >= 60 || DL_reg(context) >= 100 ) {
4491 TRACE("SetSystemTime(%02d:%02d:%02d.%02d): wrong time\n",
4492 CH_reg(context), CL_reg(context),
4493 DH_reg(context), DL_reg(context) );
4494 SET_AL( context, 0xFF );
4498 FIXME("SetSystemTime(%02d:%02d:%02d.%02d): not allowed\n",
4499 CH_reg(context), CL_reg(context),
4500 DH_reg(context), DL_reg(context) );
4501 SET_AL( context, 0 ); /* Let's pretend we succeeded */
4505 case 0x2e: /* SET VERIFY FLAG */
4506 TRACE("SET VERIFY FLAG ignored\n");
4507 /* we cannot change the behaviour anyway, so just ignore it */
4510 case 0x2f: /* GET DISK TRANSFER AREA ADDRESS */
4511 TRACE( "GET DISK TRANSFER AREA ADDRESS\n" );
4513 TDB *task = GlobalLock16( GetCurrentTask() );
4514 context->SegEs = SELECTOROF( task->dta );
4515 SET_BX( context, OFFSETOF( task->dta ) );
4519 case 0x30: /* GET DOS VERSION */
4520 TRACE( "GET DOS VERSION - %s requested\n",
4521 (AL_reg(context) == 0x00) ? "OEM number" : "version flag" );
4523 if (AL_reg(context) == 0x00)
4524 SET_BH( context, 0xff ); /* OEM number => undefined */
4526 SET_BH( context, 0x08 ); /* version flag => DOS is in ROM */
4528 SET_AL( context, HIBYTE(HIWORD(GetVersion16())) ); /* major version */
4529 SET_AH( context, LOBYTE(HIWORD(GetVersion16())) ); /* minor version */
4531 SET_BL( context, 0x12 ); /* 0x123456 is 24-bit Wine's serial # */
4532 SET_CX( context, 0x3456 );
4535 case 0x31: /* TERMINATE AND STAY RESIDENT */
4536 FIXME("TERMINATE AND STAY RESIDENT stub\n");
4539 case 0x32: /* GET DOS DRIVE PARAMETER BLOCK FOR SPECIFIC DRIVE */
4541 BYTE drive = INT21_MapDrive( DL_reg(context) );
4542 TRACE( "GET DPB FOR SPECIFIC DRIVE %d\n", DL_reg(context) );
4544 if (INT21_FillDrivePB( drive ))
4546 SET_AL( context, 0x00 ); /* success */
4547 SET_DX( context, offsetof( INT21_HEAP, misc_dpb_list[drive] ) );
4548 context->SegDs = INT21_GetHeapSelector( context );
4552 SET_AL( context, 0xff ); /* invalid or network drive */
4557 case 0x33: /* MULTIPLEXED */
4558 switch (AL_reg(context))
4560 case 0x00: /* GET CURRENT EXTENDED BREAK STATE */
4561 TRACE("GET CURRENT EXTENDED BREAK STATE\n");
4562 SET_DL( context, DOSCONF_GetConfig()->brk_flag );
4565 case 0x01: /* SET EXTENDED BREAK STATE */
4566 TRACE("SET CURRENT EXTENDED BREAK STATE\n");
4567 DOSCONF_GetConfig()->brk_flag = (DL_reg(context) > 0) ? 1 : 0;
4570 case 0x02: /* GET AND SET EXTENDED CONTROL-BREAK CHECKING STATE*/
4571 TRACE("GET AND SET EXTENDED CONTROL-BREAK CHECKING STATE\n");
4572 /* ugly coding in order to stay reentrant */
4573 if (DL_reg(context))
4575 SET_DL( context, DOSCONF_GetConfig()->brk_flag );
4576 DOSCONF_GetConfig()->brk_flag = 1;
4580 SET_DL( context, DOSCONF_GetConfig()->brk_flag );
4581 DOSCONF_GetConfig()->brk_flag = 0;
4585 case 0x05: /* GET BOOT DRIVE */
4586 TRACE("GET BOOT DRIVE\n");
4587 SET_DL( context, 3 );
4588 /* c: is Wine's bootdrive (a: is 1)*/
4591 case 0x06: /* GET TRUE VERSION NUMBER */
4592 TRACE("GET TRUE VERSION NUMBER\n");
4593 SET_BL( context, HIBYTE(HIWORD(GetVersion16())) ); /* major */
4594 SET_BH( context, LOBYTE(HIWORD(GetVersion16())) ); /* minor */
4595 SET_DL( context, 0x00 ); /* revision */
4596 SET_DH( context, 0x08 ); /* DOS is in ROM */
4600 INT_BARF( context, 0x21 );
4605 case 0x34: /* GET ADDRESS OF INDOS FLAG */
4606 TRACE( "GET ADDRESS OF INDOS FLAG\n" );
4607 context->SegEs = INT21_GetHeapSelector( context );
4608 SET_BX( context, offsetof(INT21_HEAP, misc_indos) );
4611 case 0x35: /* GET INTERRUPT VECTOR */
4612 TRACE("GET INTERRUPT VECTOR 0x%02x\n",AL_reg(context));
4615 if (!ISV86(context) && DOSVM_IsWin16())
4616 addr = DOSVM_GetPMHandler16( AL_reg(context) );
4618 addr = DOSVM_GetRMHandler( AL_reg(context) );
4619 context->SegEs = SELECTOROF(addr);
4620 SET_BX( context, OFFSETOF(addr) );
4624 case 0x36: /* GET FREE DISK SPACE */
4625 TRACE("GET FREE DISK SPACE FOR DRIVE %s\n",
4626 INT21_DriveName( DL_reg(context) ));
4627 if (!INT21_GetFreeDiskSpace(context)) SET_AX( context, 0xffff );
4630 case 0x37: /* SWITCHAR */
4632 switch (AL_reg(context))
4634 case 0x00: /* "SWITCHAR" - GET SWITCH CHARACTER */
4635 TRACE( "SWITCHAR - GET SWITCH CHARACTER\n" );
4636 SET_AL( context, 0x00 ); /* success*/
4637 SET_DL( context, '/' );
4639 case 0x01: /*"SWITCHAR" - SET SWITCH CHARACTER*/
4640 FIXME( "SWITCHAR - SET SWITCH CHARACTER: %c\n",
4642 SET_AL( context, 0x00 ); /* success*/
4645 INT_BARF( context, 0x21 );
4651 case 0x38: /* GET COUNTRY-SPECIFIC INFORMATION */
4652 TRACE( "GET COUNTRY-SPECIFIC INFORMATION\n" );
4653 if (AL_reg(context))
4655 WORD country = AL_reg(context);
4656 if (country == 0xff)
4657 country = BX_reg(context);
4658 if (country != INT21_GetSystemCountryCode()) {
4659 FIXME( "Requested info on non-default country %04x\n", country );
4664 if(AX_reg(context) != 2 )
4666 INT21_FillCountryInformation( CTX_SEG_OFF_TO_LIN(context,
4669 SET_AX( context, INT21_GetSystemCountryCode() );
4670 SET_BX( context, INT21_GetSystemCountryCode() );
4671 RESET_CFLAG(context);
4675 case 0x39: /* "MKDIR" - CREATE SUBDIRECTORY */
4676 if (!INT21_CreateDirectory( context ))
4677 bSetDOSExtendedError = TRUE;
4679 RESET_CFLAG(context);
4682 case 0x3a: /* "RMDIR" - REMOVE DIRECTORY */
4684 WCHAR dirW[MAX_PATH];
4685 char *dirA = CTX_SEG_OFF_TO_LIN(context,
4686 context->SegDs, context->Edx);
4688 TRACE( "REMOVE DIRECTORY %s\n", dirA );
4690 MultiByteToWideChar(CP_OEMCP, 0, dirA, -1, dirW, MAX_PATH);
4692 if (!RemoveDirectoryW( dirW ))
4693 bSetDOSExtendedError = TRUE;
4695 RESET_CFLAG(context);
4699 case 0x3b: /* "CHDIR" - SET CURRENT DIRECTORY */
4700 if (!INT21_SetCurrentDirectory( context ))
4701 bSetDOSExtendedError = TRUE;
4703 RESET_CFLAG(context);
4706 case 0x3c: /* "CREAT" - CREATE OR TRUNCATE FILE */
4707 if (!INT21_CreateFile( context, context->Edx, FALSE,
4708 OF_READWRITE | OF_SHARE_COMPAT, 0x12 ))
4709 bSetDOSExtendedError = TRUE;
4711 RESET_CFLAG(context);
4714 case 0x3d: /* "OPEN" - OPEN EXISTING FILE */
4715 if (!INT21_CreateFile( context, context->Edx, FALSE,
4716 AL_reg(context), 0x01 ))
4717 bSetDOSExtendedError = TRUE;
4719 RESET_CFLAG(context);
4722 case 0x3e: /* "CLOSE" - CLOSE FILE */
4723 TRACE( "CLOSE handle %d\n", BX_reg(context) );
4724 if (_lclose16( BX_reg(context) ) == HFILE_ERROR16)
4725 bSetDOSExtendedError = TRUE;
4727 RESET_CFLAG(context);
4730 case 0x3f: /* "READ" - READ FROM FILE OR DEVICE */
4731 TRACE( "READ from %d to %04lX:%04X for %d bytes\n",
4738 WORD count = CX_reg(context);
4739 BYTE *buffer = CTX_SEG_OFF_TO_LIN( context,
4743 /* Some programs pass a count larger than the allocated buffer */
4744 if (DOSVM_IsWin16())
4746 DWORD maxcount = GetSelectorLimit16( context->SegDs )
4747 - DX_reg(context) + 1;
4748 if (count > maxcount)
4753 * FIXME: Reading from console (BX=1) in DOS mode
4754 * does not work as it is supposed to work.
4757 RESET_CFLAG(context); /* set if error */
4758 if (!DOSVM_IsWin16() && BX_reg(context) == 0)
4760 result = INT21_BufferedInput( context, buffer, count );
4761 SET_AX( context, (WORD)result );
4763 else if (ReadFile( DosFileHandleToWin32Handle(BX_reg(context)),
4764 buffer, count, &result, NULL ))
4765 SET_AX( context, (WORD)result );
4767 bSetDOSExtendedError = TRUE;
4771 case 0x40: /* "WRITE" - WRITE TO FILE OR DEVICE */
4772 TRACE( "WRITE from %04lX:%04X to handle %d for %d byte\n",
4773 context->SegDs, DX_reg(context),
4774 BX_reg(context), CX_reg(context) );
4776 char *ptr = CTX_SEG_OFF_TO_LIN(context, context->SegDs, context->Edx);
4778 if (!DOSVM_IsWin16() &&
4779 (BX_reg(context) == 1 || BX_reg(context) == 2))
4782 for(i=0; i<CX_reg(context); i++)
4783 DOSVM_PutChar(ptr[i]);
4784 SET_AX(context, CX_reg(context));
4785 RESET_CFLAG(context);
4789 HFILE handle = (HFILE)DosFileHandleToWin32Handle(BX_reg(context));
4790 LONG result = _hwrite( handle, ptr, CX_reg(context) );
4791 if (result == HFILE_ERROR)
4792 bSetDOSExtendedError = TRUE;
4795 SET_AX( context, (WORD)result );
4796 RESET_CFLAG(context);
4802 case 0x41: /* "UNLINK" - DELETE FILE */
4804 WCHAR fileW[MAX_PATH];
4805 char *fileA = CTX_SEG_OFF_TO_LIN(context,
4809 TRACE( "UNLINK %s\n", fileA );
4810 MultiByteToWideChar(CP_OEMCP, 0, fileA, -1, fileW, MAX_PATH);
4812 if (!DeleteFileW( fileW ))
4813 bSetDOSExtendedError = TRUE;
4815 RESET_CFLAG(context);
4819 case 0x42: /* "LSEEK" - SET CURRENT FILE POSITION */
4820 TRACE( "LSEEK handle %d offset %ld from %s\n",
4822 MAKELONG( DX_reg(context), CX_reg(context) ),
4823 (AL_reg(context) == 0) ?
4824 "start of file" : ((AL_reg(context) == 1) ?
4825 "current file position" : "end of file") );
4827 HANDLE handle = DosFileHandleToWin32Handle(BX_reg(context));
4828 LONG offset = MAKELONG( DX_reg(context), CX_reg(context) );
4829 DWORD status = SetFilePointer( handle, offset,
4830 NULL, AL_reg(context) );
4831 if (status == INVALID_SET_FILE_POINTER)
4832 bSetDOSExtendedError = TRUE;
4835 SET_AX( context, LOWORD(status) );
4836 SET_DX( context, HIWORD(status) );
4837 RESET_CFLAG(context);
4842 case 0x43: /* FILE ATTRIBUTES */
4843 if (!INT21_FileAttributes( context, AL_reg(context), FALSE ))
4844 bSetDOSExtendedError = TRUE;
4846 RESET_CFLAG(context);
4849 case 0x44: /* IOCTL */
4850 INT21_Ioctl( context );
4853 case 0x45: /* "DUP" - DUPLICATE FILE HANDLE */
4854 TRACE( "DUPLICATE FILE HANDLE %d\n", BX_reg(context) );
4857 HFILE handle16 = HFILE_ERROR;
4859 if (DuplicateHandle( GetCurrentProcess(),
4860 DosFileHandleToWin32Handle(BX_reg(context)),
4861 GetCurrentProcess(),
4863 0, TRUE, DUPLICATE_SAME_ACCESS ))
4864 handle16 = Win32HandleToDosFileHandle(handle32);
4866 if (handle16 == HFILE_ERROR)
4867 bSetDOSExtendedError = TRUE;
4870 SET_AX( context, handle16 );
4871 RESET_CFLAG(context);
4876 case 0x46: /* "DUP2", "FORCEDUP" - FORCE DUPLICATE FILE HANDLE */
4877 TRACE( "FORCEDUP - FORCE DUPLICATE FILE HANDLE %d to %d\n",
4878 BX_reg(context), CX_reg(context) );
4879 if (!INT21_Dup2(BX_reg(context), CX_reg(context)))
4880 bSetDOSExtendedError = TRUE;
4882 RESET_CFLAG(context);
4885 case 0x47: /* "CWD" - GET CURRENT DIRECTORY */
4886 if (!INT21_GetCurrentDirectory( context, FALSE ))
4887 bSetDOSExtendedError = TRUE;
4889 RESET_CFLAG(context);
4892 case 0x48: /* ALLOCATE MEMORY */
4893 TRACE( "ALLOCATE MEMORY for %d paragraphs\n", BX_reg(context) );
4896 DWORD bytes = (DWORD)BX_reg(context) << 4;
4898 if (!ISV86(context) && DOSVM_IsWin16())
4900 DWORD rv = GlobalDOSAlloc16( bytes );
4901 selector = LOWORD( rv );
4904 DOSMEM_AllocBlock( bytes, &selector );
4908 SET_AX( context, selector );
4909 RESET_CFLAG(context);
4914 SET_AX( context, 0x0008 ); /* insufficient memory */
4915 SET_BX( context, DOSMEM_Available() >> 4 );
4920 case 0x49: /* FREE MEMORY */
4921 TRACE( "FREE MEMORY segment %04lX\n", context->SegEs );
4925 if (!ISV86(context) && DOSVM_IsWin16())
4927 ok = !GlobalDOSFree16( context->SegEs );
4929 /* If we don't reset ES_reg, we will fail in the relay code */
4934 ok = DOSMEM_FreeBlock( PTR_REAL_TO_LIN(context->SegEs, 0) );
4938 TRACE("FREE MEMORY failed\n");
4940 SET_AX( context, 0x0009 ); /* memory block address invalid */
4945 case 0x4a: /* RESIZE MEMORY BLOCK */
4946 TRACE( "RESIZE MEMORY segment %04lX to %d paragraphs\n",
4947 context->SegEs, BX_reg(context) );
4949 DWORD newsize = (DWORD)BX_reg(context) << 4;
4951 if (!ISV86(context) && DOSVM_IsWin16())
4953 FIXME( "Resize memory block - unsupported under Win16\n" );
4958 LPVOID address = (void*)((DWORD)context->SegEs << 4);
4959 UINT blocksize = DOSMEM_ResizeBlock( address, newsize, FALSE );
4961 RESET_CFLAG(context);
4962 if (blocksize == (UINT)-1)
4964 SET_CFLAG( context );
4965 SET_AX( context, 0x0009 ); /* illegal address */
4967 else if(blocksize != newsize)
4969 SET_CFLAG( context );
4970 SET_AX( context, 0x0008 ); /* insufficient memory */
4971 SET_BX( context, blocksize >> 4 ); /* new block size */
4977 case 0x4b: /* "EXEC" - LOAD AND/OR EXECUTE PROGRAM */
4979 char *program = CTX_SEG_OFF_TO_LIN(context, context->SegDs, context->Edx);
4980 BYTE *paramblk = CTX_SEG_OFF_TO_LIN(context, context->SegEs, context->Ebx);
4982 TRACE( "EXEC %s\n", program );
4984 RESET_CFLAG(context);
4985 if (DOSVM_IsWin16())
4987 HINSTANCE16 instance = WinExec16( program, SW_NORMAL );
4990 SET_CFLAG( context );
4991 SET_AX( context, instance );
4996 if (!MZ_Exec( context, program, AL_reg(context), paramblk))
4997 bSetDOSExtendedError = TRUE;
5002 case 0x4c: /* "EXIT" - TERMINATE WITH RETURN CODE */
5003 TRACE( "EXIT with return code %d\n", AL_reg(context) );
5004 if (DOSVM_IsWin16())
5005 ExitThread( AL_reg(context) );
5006 else if(ISV86(context))
5007 MZ_Exit( context, FALSE, AL_reg(context) );
5013 DWORD rv = AL_reg(context);
5014 RaiseException( EXCEPTION_VM86_INTx, 0, 1, &rv );
5018 case 0x4d: /* GET RETURN CODE */
5019 TRACE("GET RETURN CODE (ERRORLEVEL)\n");
5020 SET_AX( context, DOSVM_retval );
5024 case 0x4e: /* "FINDFIRST" - FIND FIRST MATCHING FILE */
5025 TRACE("FINDFIRST mask 0x%04x spec %s\n",CX_reg(context),
5026 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, context->SegDs, context->Edx));
5027 if (!INT21_FindFirst(context)) break;
5030 case 0x4f: /* "FINDNEXT" - FIND NEXT MATCHING FILE */
5031 TRACE("FINDNEXT\n");
5032 if (!INT21_FindNext(context))
5034 SetLastError( ERROR_NO_MORE_FILES );
5035 SET_AX( context, ERROR_NO_MORE_FILES );
5038 else SET_AX( context, 0 ); /* OK */
5041 case 0x50: /* SET CURRENT PROCESS ID (SET PSP ADDRESS) */
5042 TRACE("SET CURRENT PROCESS ID (SET PSP ADDRESS)\n");
5043 DOSVM_psp = BX_reg(context);
5046 case 0x51: /* GET PSP ADDRESS */
5047 INT21_GetPSP( context );
5050 case 0x52: /* "SYSVARS" - GET LIST OF LISTS */
5052 SEGPTR ptr = DOSDEV_GetLOL( ISV86(context) || !DOSVM_IsWin16() );
5053 context->SegEs = SELECTOROF(ptr);
5054 SET_BX( context, OFFSETOF(ptr) );
5058 case 0x54: /* Get Verify Flag */
5059 TRACE("Get Verify Flag - Not Supported\n");
5060 SET_AL( context, 0x00 ); /* pretend we can tell. 00h = off 01h = on */
5063 case 0x56: /* "RENAME" - RENAME FILE */
5064 if (!INT21_RenameFile( context ))
5065 bSetDOSExtendedError = TRUE;
5067 RESET_CFLAG(context);
5070 case 0x57: /* FILE DATE AND TIME */
5071 if (!INT21_FileDateTime( context ))
5072 bSetDOSExtendedError = TRUE;
5074 RESET_CFLAG(context);
5077 case 0x58: /* GET OR SET MEMORY ALLOCATION STRATEGY */
5078 switch (AL_reg(context))
5080 case 0x00: /* GET MEMORY ALLOCATION STRATEGY */
5081 TRACE( "GET MEMORY ALLOCATION STRATEGY\n" );
5082 SET_AX( context, 0 ); /* low memory first fit */
5085 case 0x01: /* SET ALLOCATION STRATEGY */
5086 TRACE( "SET MEMORY ALLOCATION STRATEGY to %d - ignored\n",
5090 case 0x02: /* GET UMB LINK STATE */
5091 TRACE( "GET UMB LINK STATE\n" );
5092 SET_AL( context, 0 ); /* UMBs not part of DOS memory chain */
5095 case 0x03: /* SET UMB LINK STATE */
5096 TRACE( "SET UMB LINK STATE to %d - ignored\n",
5101 INT_BARF( context, 0x21 );
5105 case 0x59: /* GET EXTENDED ERROR INFO */
5106 INT21_GetExtendedError( context );
5109 case 0x5a: /* CREATE TEMPORARY FILE */
5110 TRACE("CREATE TEMPORARY FILE\n");
5111 bSetDOSExtendedError = !INT21_CreateTempFile(context);
5114 case 0x5b: /* CREATE NEW FILE */
5115 if (!INT21_CreateFile( context, context->Edx, FALSE,
5116 OF_READWRITE | OF_SHARE_COMPAT, 0x10 ))
5117 bSetDOSExtendedError = TRUE;
5119 RESET_CFLAG(context);
5122 case 0x5c: /* "FLOCK" - RECORD LOCKING */
5124 DWORD offset = MAKELONG(DX_reg(context), CX_reg(context));
5125 DWORD length = MAKELONG(DI_reg(context), SI_reg(context));
5126 HANDLE handle = DosFileHandleToWin32Handle(BX_reg(context));
5128 RESET_CFLAG(context);
5129 switch (AL_reg(context))
5131 case 0x00: /* LOCK */
5132 TRACE( "lock handle %d offset %ld length %ld\n",
5133 BX_reg(context), offset, length );
5134 if (!LockFile( handle, offset, 0, length, 0 ))
5135 bSetDOSExtendedError = TRUE;
5138 case 0x01: /* UNLOCK */
5139 TRACE( "unlock handle %d offset %ld length %ld\n",
5140 BX_reg(context), offset, length );
5141 if (!UnlockFile( handle, offset, 0, length, 0 ))
5142 bSetDOSExtendedError = TRUE;
5146 INT_BARF( context, 0x21 );
5151 case 0x5d: /* NETWORK 5D */
5152 FIXME( "Network function 5D not implemented.\n" );
5153 SetLastError( ER_NoNetwork );
5154 bSetDOSExtendedError = TRUE;
5157 case 0x5e: /* NETWORK 5E */
5158 bSetDOSExtendedError = INT21_NetworkFunc( context);
5161 case 0x5f: /* NETWORK 5F */
5162 /* FIXME: supporting this would need to 1:
5163 * - implement per drive current directory (as kernel32 doesn't)
5164 * - assign enabled/disabled flag on a per drive basis
5166 /* network software not installed */
5167 TRACE("NETWORK function AX=%04x not implemented\n",AX_reg(context));
5168 SetLastError( ER_NoNetwork );
5169 bSetDOSExtendedError = TRUE;
5172 case 0x60: /* "TRUENAME" - CANONICALIZE FILENAME OR PATH */
5174 WCHAR pathW[MAX_PATH], res[MAX_PATH];
5175 /* FIXME: likely to be broken */
5177 TRACE("TRUENAME %s\n",
5178 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, context->SegDs,context->Esi));
5179 MultiByteToWideChar(CP_OEMCP, 0, CTX_SEG_OFF_TO_LIN(context, context->SegDs, context->Esi), -1, pathW, MAX_PATH);
5180 if (!GetFullPathNameW( pathW, 128, res, NULL ))
5181 bSetDOSExtendedError = TRUE;
5184 SET_AX( context, 0 );
5185 WideCharToMultiByte(CP_OEMCP, 0, res, -1,
5186 CTX_SEG_OFF_TO_LIN(context, context->SegEs, context->Edi),
5192 case 0x61: /* UNUSED */
5193 SET_AL( context, 0 );
5196 case 0x62: /* GET PSP ADDRESS */
5197 INT21_GetPSP( context );
5200 case 0x63: /* MISC. LANGUAGE SUPPORT */
5201 switch (AL_reg(context)) {
5202 case 0x00: /* GET DOUBLE BYTE CHARACTER SET LEAD-BYTE TABLE */
5203 TRACE( "GET DOUBLE BYTE CHARACTER SET LEAD-BYTE TABLE\n" );
5204 context->SegDs = INT21_GetHeapSelector( context );
5205 SET_SI( context, offsetof(INT21_HEAP, dbcs_table) );
5206 SET_AL( context, 0 ); /* success */
5211 case 0x64: /* OS/2 DOS BOX */
5212 INT_BARF( context, 0x21 );
5216 case 0x65: /* EXTENDED COUNTRY INFORMATION */
5217 INT21_ExtendedCountryInformation( context );
5220 case 0x66: /* GLOBAL CODE PAGE TABLE */
5221 switch (AL_reg(context))
5224 TRACE( "GET GLOBAL CODE PAGE TABLE\n" );
5225 SET_BX( context, GetOEMCP() );
5226 SET_DX( context, GetOEMCP() );
5229 FIXME( "SET GLOBAL CODE PAGE TABLE, active %d, system %d - ignored\n",
5230 BX_reg(context), DX_reg(context) );
5235 case 0x67: /* SET HANDLE COUNT */
5236 TRACE( "SET HANDLE COUNT to %d\n", BX_reg(context) );
5237 if (SetHandleCount( BX_reg(context) ) < BX_reg(context) )
5238 bSetDOSExtendedError = TRUE;
5241 case 0x68: /* "FFLUSH" - COMMIT FILE */
5242 TRACE( "FFLUSH - handle %d\n", BX_reg(context) );
5243 if (!FlushFileBuffers( DosFileHandleToWin32Handle(BX_reg(context)) ))
5244 bSetDOSExtendedError = TRUE;
5247 case 0x69: /* DISK SERIAL NUMBER */
5248 switch (AL_reg(context))
5251 TRACE("GET DISK SERIAL NUMBER for drive %s\n",
5252 INT21_DriveName(BL_reg(context)));
5253 if (!INT21_GetDiskSerialNumber(context)) bSetDOSExtendedError = TRUE;
5254 else SET_AX( context, 0 );
5258 TRACE("SET DISK SERIAL NUMBER for drive %s\n",
5259 INT21_DriveName(BL_reg(context)));
5260 if (!INT21_SetDiskSerialNumber(context)) bSetDOSExtendedError = TRUE;
5261 else SET_AX( context, 1 );
5266 case 0x6a: /* COMMIT FILE */
5267 TRACE( "COMMIT FILE - handle %d\n", BX_reg(context) );
5268 if (!FlushFileBuffers( DosFileHandleToWin32Handle(BX_reg(context)) ))
5269 bSetDOSExtendedError = TRUE;
5272 case 0x6b: /* NULL FUNCTION FOR CP/M COMPATIBILITY */
5273 SET_AL( context, 0 );
5276 case 0x6c: /* EXTENDED OPEN/CREATE */
5277 if (!INT21_CreateFile( context, context->Esi, TRUE,
5278 BX_reg(context), DL_reg(context) ))
5279 bSetDOSExtendedError = TRUE;
5282 case 0x70: /* MSDOS 7 - GET/SET INTERNATIONALIZATION INFORMATION */
5283 FIXME( "MS-DOS 7 - GET/SET INTERNATIONALIZATION INFORMATION\n" );
5284 SET_CFLAG( context );
5285 SET_AL( context, 0 );
5288 case 0x71: /* MSDOS 7 - LONG FILENAME FUNCTIONS */
5289 INT21_LongFilename( context );
5292 case 0x73: /* MSDOS7 - FAT32 */
5293 RESET_CFLAG( context );
5294 if (!INT21_Fat32( context ))
5295 bSetDOSExtendedError = TRUE;
5298 case 0xdc: /* CONNECTION SERVICES - GET CONNECTION NUMBER */
5299 TRACE( "CONNECTION SERVICES - GET CONNECTION NUMBER - ignored\n" );
5302 case 0xea: /* NOVELL NETWARE - RETURN SHELL VERSION */
5303 TRACE( "NOVELL NETWARE - RETURN SHELL VERSION - ignored\n" );
5306 case 0xff: /* DOS32 EXTENDER (DOS/4GW) - API */
5307 /* we don't implement a DOS32 extender */
5308 TRACE( "DOS32 EXTENDER API - ignored\n" );
5312 INT_BARF( context, 0x21 );
5315 } /* END OF SWITCH */
5317 /* Set general error condition. */
5318 if (bSetDOSExtendedError)
5320 SET_AX( context, GetLastError() );
5321 SET_CFLAG( context );
5324 /* Print error code if carry flag is set. */
5325 if (context->EFlags & 0x0001)
5326 TRACE("failed, error %ld\n", GetLastError() );
5328 TRACE( "returning: AX=%04x BX=%04x CX=%04x DX=%04x "
5329 "SI=%04x DI=%04x DS=%04x ES=%04x EFL=%08lx\n",
5330 AX_reg(context), BX_reg(context),
5331 CX_reg(context), DX_reg(context),
5332 SI_reg(context), DI_reg(context),
5333 (WORD)context->SegDs, (WORD)context->SegEs,