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");
1993 char *p = CTX_SEG_OFF_TO_LIN( context, context->SegDs, context->Edx );
1994 for ( ; *p; p++) *p = toupper(*p);
1998 case 0x23: /* DETERMINE IF CHARACTER REPRESENTS YES/NO RESPONSE */
1999 INT_BARF( context, 0x21 );
2000 SET_CFLAG( context );
2004 INT_BARF( context, 0x21 );
2011 /***********************************************************************
2012 * INT21_FileAttributes
2016 * - subfunction 0x43 of function 0x71
2018 static BOOL INT21_FileAttributes( CONTEXT86 *context,
2022 WCHAR fileW[MAX_PATH];
2023 char *fileA = CTX_SEG_OFF_TO_LIN(context,
2032 switch (subfunction)
2034 case 0x00: /* GET FILE ATTRIBUTES */
2035 TRACE( "GET FILE ATTRIBUTES for %s\n", fileA );
2036 MultiByteToWideChar(CP_OEMCP, 0, fileA, -1, fileW, MAX_PATH);
2038 result = GetFileAttributesW( fileW );
2039 if (result == INVALID_FILE_ATTRIBUTES)
2043 SET_CX( context, (WORD)result );
2045 SET_AX( context, (WORD)result ); /* DR DOS */
2049 case 0x01: /* SET FILE ATTRIBUTES */
2050 TRACE( "SET FILE ATTRIBUTES 0x%02x for %s\n",
2051 CX_reg(context), fileA );
2052 MultiByteToWideChar(CP_OEMCP, 0, fileA, -1, fileW, MAX_PATH);
2054 if (!SetFileAttributesW( fileW, CX_reg(context) ))
2058 case 0x02: /* GET COMPRESSED FILE SIZE */
2059 TRACE( "GET COMPRESSED FILE SIZE for %s\n", fileA );
2060 MultiByteToWideChar(CP_OEMCP, 0, fileA, -1, fileW, MAX_PATH);
2062 result = GetCompressedFileSizeW( fileW, NULL );
2063 if (result == INVALID_FILE_SIZE)
2067 SET_AX( context, LOWORD(result) );
2068 SET_DX( context, HIWORD(result) );
2072 case 0x03: /* SET FILE LAST-WRITTEN DATE AND TIME */
2074 INT_BARF( context, 0x21 );
2077 TRACE( "SET FILE LAST-WRITTEN DATE AND TIME, file %s\n", fileA );
2078 MultiByteToWideChar(CP_OEMCP, 0, fileA, -1, fileW, MAX_PATH);
2080 handle = CreateFileW( fileW, GENERIC_WRITE,
2081 FILE_SHARE_READ | FILE_SHARE_WRITE,
2082 NULL, OPEN_EXISTING, 0, 0 );
2083 if (handle == INVALID_HANDLE_VALUE)
2086 DosDateTimeToFileTime( DI_reg(context),
2089 status = SetFileTime( handle, NULL, NULL, &filetime );
2091 CloseHandle( handle );
2096 case 0x04: /* GET FILE LAST-WRITTEN DATE AND TIME */
2098 INT_BARF( context, 0x21 );
2101 TRACE( "GET FILE LAST-WRITTEN DATE AND TIME, file %s\n", fileA );
2102 MultiByteToWideChar(CP_OEMCP, 0, fileA, -1, fileW, MAX_PATH);
2104 handle = CreateFileW( fileW, GENERIC_READ,
2105 FILE_SHARE_READ | FILE_SHARE_WRITE,
2106 NULL, OPEN_EXISTING, 0, 0 );
2107 if (handle == INVALID_HANDLE_VALUE)
2110 status = GetFileTime( handle, NULL, NULL, &filetime );
2113 FileTimeToDosDateTime( &filetime, &date, &time );
2114 SET_DI( context, date );
2115 SET_CX( context, time );
2118 CloseHandle( handle );
2123 case 0x05: /* SET FILE LAST ACCESS DATE */
2125 INT_BARF( context, 0x21 );
2128 TRACE( "SET FILE LAST ACCESS DATE, file %s\n", fileA );
2129 MultiByteToWideChar(CP_OEMCP, 0, fileA, -1, fileW, MAX_PATH);
2131 handle = CreateFileW( fileW, GENERIC_WRITE,
2132 FILE_SHARE_READ | FILE_SHARE_WRITE,
2133 NULL, OPEN_EXISTING, 0, 0 );
2134 if (handle == INVALID_HANDLE_VALUE)
2137 DosDateTimeToFileTime( DI_reg(context),
2140 status = SetFileTime( handle, NULL, &filetime, NULL );
2142 CloseHandle( handle );
2147 case 0x06: /* GET FILE LAST ACCESS DATE */
2149 INT_BARF( context, 0x21 );
2152 TRACE( "GET FILE LAST ACCESS DATE, file %s\n", fileA );
2153 MultiByteToWideChar(CP_OEMCP, 0, fileA, -1, fileW, MAX_PATH);
2155 handle = CreateFileW( fileW, GENERIC_READ,
2156 FILE_SHARE_READ | FILE_SHARE_WRITE,
2157 NULL, OPEN_EXISTING, 0, 0 );
2158 if (handle == INVALID_HANDLE_VALUE)
2161 status = GetFileTime( handle, NULL, &filetime, NULL );
2164 FileTimeToDosDateTime( &filetime, &date, NULL );
2165 SET_DI( context, date );
2168 CloseHandle( handle );
2173 case 0x07: /* SET FILE CREATION DATE AND TIME */
2175 INT_BARF( context, 0x21 );
2178 TRACE( "SET FILE CREATION DATE AND TIME, file %s\n", fileA );
2180 handle = CreateFileW( fileW, GENERIC_WRITE,
2181 FILE_SHARE_READ | FILE_SHARE_WRITE,
2182 NULL, OPEN_EXISTING, 0, 0 );
2183 if (handle == INVALID_HANDLE_VALUE)
2187 * FIXME: SI has number of 10-millisecond units past time in CX.
2189 DosDateTimeToFileTime( DI_reg(context),
2192 status = SetFileTime( handle, &filetime, NULL, NULL );
2194 CloseHandle( handle );
2199 case 0x08: /* GET FILE CREATION DATE AND TIME */
2201 INT_BARF( context, 0x21 );
2204 TRACE( "GET FILE CREATION DATE AND TIME, handle %d\n",
2207 handle = CreateFileW( fileW, GENERIC_READ,
2208 FILE_SHARE_READ | FILE_SHARE_WRITE,
2209 NULL, OPEN_EXISTING, 0, 0 );
2210 if (handle == INVALID_HANDLE_VALUE)
2213 status = GetFileTime( handle, &filetime, NULL, NULL );
2216 FileTimeToDosDateTime( &filetime, &date, &time );
2217 SET_DI( context, date );
2218 SET_CX( context, time );
2220 * FIXME: SI has number of 10-millisecond units past
2223 SET_SI( context, 0 );
2226 CloseHandle(handle);
2231 case 0xff: /* EXTENDED-LENGTH FILENAME OPERATIONS */
2232 if (islong || context->Ebp != 0x5053)
2233 INT_BARF( context, 0x21 );
2236 switch(CL_reg(context))
2239 if (!INT21_CreateDirectory( context ))
2244 if (!INT21_RenameFile( context ))
2249 INT_BARF( context, 0x21 );
2255 INT_BARF( context, 0x21 );
2262 /***********************************************************************
2263 * INT21_FileDateTime
2265 * Handler for function 0x57.
2267 static BOOL INT21_FileDateTime( CONTEXT86 *context )
2269 HANDLE handle = DosFileHandleToWin32Handle(BX_reg(context));
2273 switch (AL_reg(context)) {
2274 case 0x00: /* Get last-written stamp */
2275 TRACE( "GET FILE LAST-WRITTEN DATE AND TIME, handle %d\n",
2278 if (!GetFileTime( handle, NULL, NULL, &filetime ))
2280 FileTimeToDosDateTime( &filetime, &date, &time );
2281 SET_DX( context, date );
2282 SET_CX( context, time );
2286 case 0x01: /* Set last-written stamp */
2287 TRACE( "SET FILE LAST-WRITTEN DATE AND TIME, handle %d\n",
2290 DosDateTimeToFileTime( DX_reg(context),
2293 if (!SetFileTime( handle, NULL, NULL, &filetime ))
2298 case 0x04: /* Get last access stamp, DOS 7 */
2299 TRACE( "GET FILE LAST ACCESS DATE AND TIME, handle %d\n",
2302 if (!GetFileTime( handle, NULL, &filetime, NULL ))
2304 FileTimeToDosDateTime( &filetime, &date, &time );
2305 SET_DX( context, date );
2306 SET_CX( context, time );
2310 case 0x05: /* Set last access stamp, DOS 7 */
2311 TRACE( "SET FILE LAST ACCESS DATE AND TIME, handle %d\n",
2314 DosDateTimeToFileTime( DX_reg(context),
2317 if (!SetFileTime( handle, NULL, &filetime, NULL ))
2322 case 0x06: /* Get creation stamp, DOS 7 */
2323 TRACE( "GET FILE CREATION DATE AND TIME, handle %d\n",
2326 if (!GetFileTime( handle, &filetime, NULL, NULL ))
2328 FileTimeToDosDateTime( &filetime, &date, &time );
2329 SET_DX( context, date );
2330 SET_CX( context, time );
2332 * FIXME: SI has number of 10-millisecond units past time in CX.
2334 SET_SI( context, 0 );
2338 case 0x07: /* Set creation stamp, DOS 7 */
2339 TRACE( "SET FILE CREATION DATE AND TIME, handle %d\n",
2343 * FIXME: SI has number of 10-millisecond units past time in CX.
2345 DosDateTimeToFileTime( DX_reg(context),
2348 if (!SetFileTime( handle, &filetime, NULL, NULL ))
2354 INT_BARF( context, 0x21 );
2362 /***********************************************************************
2365 * Handler for functions 0x51 and 0x62.
2367 static void INT21_GetPSP( CONTEXT86 *context )
2369 TRACE( "GET CURRENT PSP ADDRESS (%02x)\n", AH_reg(context) );
2372 * FIXME: should we return the original DOS PSP upon
2375 if (!ISV86(context) && DOSVM_IsWin16())
2376 SET_BX( context, LOWORD(GetCurrentPDB16()) );
2378 SET_BX( context, DOSVM_psp );
2381 static inline void setword( BYTE *ptr, WORD w )
2384 ptr[1] = (BYTE)(w >> 8);
2387 static void CreateBPB(int drive, BYTE *data, BOOL16 limited)
2388 /* limited == TRUE is used with INT 0x21/0x440d */
2390 /* FIXME: we're forcing some values without checking that those are valid */
2395 setword(&data[3], 0);
2397 setword(&data[6], 240);
2398 setword(&data[8], 64000);
2400 setword(&data[0x0b], 40);
2401 setword(&data[0x0d], 56);
2402 setword(&data[0x0f], 2);
2403 setword(&data[0x11], 0);
2406 setword(&data[0x1f], 800);
2408 setword(&data[0x22], 1);
2415 setword(&data[3], 0);
2417 setword(&data[6], 240);
2418 setword(&data[8], 2880);
2420 setword(&data[0x0b], 6);
2421 setword(&data[0x0d], 18);
2422 setword(&data[0x0f], 2);
2423 setword(&data[0x11], 0);
2426 setword(&data[0x1f], 80);
2428 setword(&data[0x22], 2);
2433 inline DWORD INT21_Ioctl_CylHeadSect2Lin(DWORD cyl, WORD head, WORD sec, WORD cyl_cnt, WORD head_cnt, WORD sec_cnt)
2435 DWORD res = (cyl * head_cnt*sec_cnt + head * sec_cnt + sec);
2439 /***********************************************************************
2442 * Handler for block device IOCTLs.
2444 static void INT21_Ioctl_Block( CONTEXT86 *context )
2447 BYTE drive = INT21_MapDrive( BL_reg(context) );
2448 WCHAR drivespec[4] = {'A', ':', '\\', 0};
2451 drivespec[0] += drive;
2452 drivetype = GetDriveTypeW( drivespec );
2454 RESET_CFLAG(context);
2455 if (drivetype == DRIVE_UNKNOWN || drivetype == DRIVE_NO_ROOT_DIR)
2457 TRACE( "IOCTL - SUBFUNCTION %d - INVALID DRIVE %c:\n",
2458 AL_reg(context), 'A' + drive );
2459 SetLastError( ERROR_INVALID_DRIVE );
2460 SET_AX( context, ERROR_INVALID_DRIVE );
2461 SET_CFLAG( context );
2465 switch (AL_reg(context))
2467 case 0x04: /* READ FROM BLOCK DEVICE CONTROL CHANNEL */
2468 case 0x05: /* WRITE TO BLOCK DEVICE CONTROL CHANNEL */
2469 INT_BARF( context, 0x21 );
2472 case 0x08: /* CHECK IF BLOCK DEVICE REMOVABLE */
2473 TRACE( "IOCTL - CHECK IF BLOCK DEVICE REMOVABLE - %c:\n",
2476 if (drivetype == DRIVE_REMOVABLE)
2477 SET_AX( context, 0 ); /* removable */
2479 SET_AX( context, 1 ); /* not removable */
2482 case 0x09: /* CHECK IF BLOCK DEVICE REMOTE */
2483 TRACE( "IOCTL - CHECK IF BLOCK DEVICE REMOTE - %c:\n",
2486 if (drivetype == DRIVE_REMOTE)
2487 SET_DX( context, (1<<9) | (1<<12) ); /* remote + no direct IO */
2489 SET_DX( context, 0 ); /* FIXME: use driver attr here */
2492 case 0x0d: /* GENERIC BLOCK DEVICE REQUEST */
2493 /* Get pointer to IOCTL parameter block */
2494 dataptr = CTX_SEG_OFF_TO_LIN(context, context->SegDs, context->Edx);
2496 switch (CX_reg(context))
2498 case 0x0841: /* write logical device track */
2499 TRACE( "GENERIC IOCTL - Write logical device track - %c:\n",
2502 WORD head = *(WORD *)(dataptr+1);
2503 WORD cyl = *(WORD *)(dataptr+3);
2504 WORD sect = *(WORD *)(dataptr+5);
2505 WORD nrsect = *(WORD *)(dataptr+7);
2506 BYTE *data = CTX_SEG_OFF_TO_LIN(context, *(WORD *)(dataptr+11), *(WORD *)(dataptr+9));
2507 WORD cyl_cnt, head_cnt, sec_cnt;
2509 /* FIXME: we're faking some values here */
2515 SET_AX( context, ERROR_WRITE_FAULT );
2526 if (!DOSVM_RawWrite(drive, INT21_Ioctl_CylHeadSect2Lin(cyl, head, sect, cyl_cnt, head_cnt, sec_cnt), nrsect, data, FALSE))
2528 SET_AX( context, ERROR_WRITE_FAULT );
2534 case 0x084a: /* lock logical volume */
2535 TRACE( "GENERIC IOCTL - Lock logical volume, level %d mode %d - %c:\n",
2536 BH_reg(context), DX_reg(context), 'A' + drive );
2539 case 0x0860: /* get device parameters */
2540 /* FIXME: we're faking some values here */
2541 /* used by w4wgrp's winfile */
2542 memset(dataptr, 0, 0x20); /* DOS 6.22 uses 0x20 bytes */
2544 dataptr[6] = 0; /* media type */
2547 dataptr[1] = 0x05; /* fixed disk */
2548 setword(&dataptr[2], 0x01); /* non removable */
2549 setword(&dataptr[4], 0x300); /* # of cylinders */
2553 dataptr[1] = 0x07; /* block dev, floppy */
2554 setword(&dataptr[2], 0x02); /* removable */
2555 setword(&dataptr[4], 80); /* # of cylinders */
2557 CreateBPB(drive, &dataptr[7], TRUE);
2558 RESET_CFLAG(context);
2561 case 0x0861: /* read logical device track */
2562 TRACE( "GENERIC IOCTL - Read logical device track - %c:\n",
2565 WORD head = *(WORD *)(dataptr+1);
2566 WORD cyl = *(WORD *)(dataptr+3);
2567 WORD sect = *(WORD *)(dataptr+5);
2568 WORD nrsect = *(WORD *)(dataptr+7);
2569 BYTE *data = CTX_SEG_OFF_TO_LIN(context, *(WORD *)(dataptr+11), *(WORD *)(dataptr+9));
2570 WORD cyl_cnt, head_cnt, sec_cnt;
2572 /* FIXME: we're faking some values here */
2586 if (!DOSVM_RawRead(drive, INT21_Ioctl_CylHeadSect2Lin(cyl, head, sect, cyl_cnt, head_cnt, sec_cnt), nrsect, data, FALSE))
2588 SET_AX( context, ERROR_READ_FAULT );
2594 case 0x0866: /* get volume serial number */
2596 WCHAR label[12],fsname[9];
2599 drivespec[0] += drive;
2600 GetVolumeInformationW(drivespec, label, 12, &serial, NULL, NULL, fsname, 9);
2601 *(WORD*)dataptr = 0;
2602 memcpy(dataptr+2,&serial,4);
2603 WideCharToMultiByte(CP_OEMCP, 0, label, 11, (LPSTR)dataptr + 6, 11, NULL, NULL);
2604 WideCharToMultiByte(CP_OEMCP, 0, fsname, 8, (LPSTR)dataptr + 17, 8, NULL, NULL);
2608 case 0x086a: /* unlock logical volume */
2609 TRACE( "GENERIC IOCTL - Logical volume unlocked - %c:\n",
2613 case 0x086f: /* get drive map information */
2614 memset(dataptr+1, '\0', dataptr[0]-1);
2615 dataptr[1] = dataptr[0];
2616 dataptr[2] = 0x07; /* protected mode driver; no eject; no notification */
2617 dataptr[3] = 0xFF; /* no physical drive */
2621 /* Trial and error implementation */
2622 SET_AX( context, drivetype == DRIVE_UNKNOWN ? 0x0f : 0x01 );
2623 SET_CFLAG(context); /* Seems to be set all the time */
2627 INT_BARF( context, 0x21 );
2631 case 0x0e: /* GET LOGICAL DRIVE MAP */
2632 TRACE( "IOCTL - GET LOGICAL DRIVE MAP - %c:\n",
2634 /* FIXME: this is not correct if drive has mappings */
2635 SET_AL( context, 0 ); /* drive has no mapping */
2638 case 0x0f: /* SET LOGICAL DRIVE MAP */
2639 TRACE("IOCTL - SET LOGICAL DRIVE MAP for drive %s\n",
2640 INT21_DriveName( BL_reg(context)));
2641 /* FIXME: as of today, we don't support logical drive mapping... */
2642 SET_AL( context, 0 );
2645 case 0x11: /* QUERY GENERIC IOCTL CAPABILITY */
2647 INT_BARF( context, 0x21 );
2652 /***********************************************************************
2653 * INT21_IoctlScsiMgrHandler
2655 * IOCTL handler for the SCSIMGR device.
2657 static void INT21_IoctlScsiMgrHandler( CONTEXT86 *context )
2659 switch (AL_reg(context))
2661 case 0x00: /* GET DEVICE INFORMATION */
2662 SET_DX( context, 0xc0c0 );
2665 case 0x02: /* READ FROM CHARACTER DEVICE CONTROL CHANNEL */
2666 DOSVM_ASPIHandler(context);
2669 case 0x0a: /* CHECK IF HANDLE IS REMOTE */
2670 SET_DX( context, 0 );
2673 case 0x01: /* SET DEVICE INFORMATION */
2674 case 0x03: /* WRITE TO CHARACTER DEVICE CONTROL CHANNEL */
2675 case 0x06: /* GET INPUT STATUS */
2676 case 0x07: /* GET OUTPUT STATUS */
2677 case 0x0c: /* GENERIC CHARACTER DEVICE REQUEST */
2678 case 0x10: /* QUERY GENERIC IOCTL CAPABILITY */
2680 INT_BARF( context, 0x21 );
2686 /***********************************************************************
2687 * INT21_IoctlEMSHandler
2689 * IOCTL handler for the EMXXXX0 device.
2691 static void INT21_IoctlEMSHandler( CONTEXT86 *context )
2693 EMS_Ioctl_Handler(context);
2697 /***********************************************************************
2698 * INT21_IoctlHPScanHandler
2700 * IOCTL handler for the HPSCAN device.
2702 static void INT21_IoctlHPScanHandler( CONTEXT86 *context )
2704 switch (AL_reg(context))
2706 case 0x00: /* GET DEVICE INFORMATION */
2707 SET_DX( context, 0xc0c0 );
2710 case 0x0a: /* CHECK IF HANDLE IS REMOTE */
2711 SET_DX( context, 0 );
2714 case 0x01: /* SET DEVICE INFORMATION */
2715 case 0x02: /* READ FROM CHARACTER DEVICE CONTROL CHANNEL */
2716 case 0x03: /* WRITE TO CHARACTER DEVICE CONTROL CHANNEL */
2717 case 0x06: /* GET INPUT STATUS */
2718 case 0x07: /* GET OUTPUT STATUS */
2719 case 0x0c: /* GENERIC CHARACTER DEVICE REQUEST */
2720 case 0x10: /* QUERY GENERIC IOCTL CAPABILITY */
2722 INT_BARF( context, 0x21 );
2728 /***********************************************************************
2731 * Handler for character device IOCTLs.
2733 static void INT21_Ioctl_Char( CONTEXT86 *context )
2737 int IsConsoleIOHandle = 0;
2738 HANDLE handle = DosFileHandleToWin32Handle(BX_reg(context));
2740 status = wine_server_handle_to_fd( handle, 0, &fd, NULL );
2743 if( VerifyConsoleIoHandle( handle))
2744 IsConsoleIOHandle = 1;
2746 SET_AX( context, RtlNtStatusToDosError(status) );
2747 SET_CFLAG( context );
2752 IsConsoleIOHandle = isatty( fd);
2753 wine_server_release_fd( handle, fd );
2754 for (i = 0; i < NB_MAGIC_DEVICES; i++)
2756 if (!magic_devices[i].handle) continue;
2757 if (magic_devices[i].dev == st.st_dev &&
2758 magic_devices[i].ino == st.st_ino)
2761 magic_devices[i].ioctl_handler( context );
2767 /* no magic device found, do default handling */
2769 switch (AL_reg(context))
2771 case 0x00: /* GET DEVICE INFORMATION */
2772 TRACE( "IOCTL - GET DEVICE INFORMATION - %d\n", BX_reg(context) );
2773 if (IsConsoleIOHandle || S_ISCHR(st.st_mode))
2776 * Returns attribute word in DX:
2777 * Bit 14 - Device driver can process IOCTL requests.
2778 * Bit 13 - Output until busy supported.
2779 * Bit 11 - Driver supports OPEN/CLOSE calls.
2781 * Bit 7 - Set (indicates device).
2782 * Bit 6 - EOF on input.
2783 * Bit 5 - Raw (binary) mode.
2784 * Bit 4 - Device is special (uses int29).
2785 * Bit 3 - Clock device.
2786 * Bit 2 - NUL device.
2787 * Bit 1 - Console output device.
2788 * Bit 0 - Console input device.
2790 SET_DX( context, IsConsoleIOHandle ? 0x80c3 : 0x80c0 /* FIXME */ );
2795 * Returns attribute word in DX:
2796 * Bit 15 - File is remote.
2797 * Bit 14 - Don't set file date/time on closing.
2798 * Bit 11 - Media not removable.
2799 * Bit 8 - Generate int24 if no disk space on write
2800 * or read past end of file
2801 * Bit 7 - Clear (indicates file).
2802 * Bit 6 - File has not been written.
2803 * Bit 5..0 - Drive number (0=A:,...)
2805 * FIXME: Should check if file is on remote or removable drive.
2806 * FIXME: Should use drive file is located on (and not current).
2808 SET_DX( context, 0x0140 + INT21_GetCurrentDrive() );
2812 case 0x0a: /* CHECK IF HANDLE IS REMOTE */
2813 TRACE( "IOCTL - CHECK IF HANDLE IS REMOTE - %d\n", BX_reg(context) );
2815 * Returns attribute word in DX:
2816 * Bit 15 - Set if remote.
2817 * Bit 14 - Set if date/time not set on close.
2819 * FIXME: Should check if file is on remote drive.
2821 SET_DX( context, 0 );
2824 case 0x01: /* SET DEVICE INFORMATION */
2825 case 0x02: /* READ FROM CHARACTER DEVICE CONTROL CHANNEL */
2826 case 0x03: /* WRITE TO CHARACTER DEVICE CONTROL CHANNEL */
2827 case 0x06: /* GET INPUT STATUS */
2828 case 0x07: /* GET OUTPUT STATUS */
2829 case 0x0c: /* GENERIC CHARACTER DEVICE REQUEST */
2830 case 0x10: /* QUERY GENERIC IOCTL CAPABILITY */
2832 INT_BARF( context, 0x21 );
2838 /***********************************************************************
2841 * Handler for function 0x44.
2843 static void INT21_Ioctl( CONTEXT86 *context )
2845 switch (AL_reg(context))
2851 INT21_Ioctl_Char( context );
2856 INT21_Ioctl_Block( context );
2861 INT21_Ioctl_Char( context );
2866 INT21_Ioctl_Block( context );
2870 INT21_Ioctl_Char( context );
2873 case 0x0b: /* SET SHARING RETRY COUNT */
2874 TRACE( "SET SHARING RETRY COUNT: Pause %d, retries %d.\n",
2875 CX_reg(context), DX_reg(context) );
2876 if (!CX_reg(context))
2878 SET_AX( context, 1 );
2879 SET_CFLAG( context );
2883 DOSDEV_SetSharingRetry( CX_reg(context), DX_reg(context) );
2884 RESET_CFLAG( context );
2889 INT21_Ioctl_Char( context );
2895 INT21_Ioctl_Block( context );
2899 INT21_Ioctl_Char( context );
2903 INT21_Ioctl_Block( context );
2906 case 0x12: /* DR DOS - DETERMINE DOS TYPE (OBSOLETE FUNCTION) */
2907 TRACE( "DR DOS - DETERMINE DOS TYPE (OBSOLETE FUNCTION)\n" );
2908 SET_CFLAG(context); /* Error / This is not DR DOS. */
2909 SET_AX( context, 0x0001 ); /* Invalid function */
2912 case 0x52: /* DR DOS - DETERMINE DOS TYPE */
2913 TRACE( "DR DOS - DETERMINE DOS TYPE\n" );
2914 SET_CFLAG(context); /* Error / This is not DR DOS. */
2915 SET_AX( context, 0x0001 ); /* Invalid function */
2918 case 0xe0: /* Sun PC-NFS API */
2919 TRACE( "Sun PC-NFS API\n" );
2924 INT_BARF( context, 0x21 );
2929 /***********************************************************************
2932 * Handler for function 0x73.
2934 static BOOL INT21_Fat32( CONTEXT86 *context )
2936 switch (AL_reg(context))
2938 case 0x02: /* FAT32 - GET EXTENDED DPB */
2940 BYTE drive = INT21_MapDrive( DL_reg(context) );
2941 WORD *ptr = CTX_SEG_OFF_TO_LIN(context,
2942 context->SegEs, context->Edi);
2943 INT21_DPB *target = (INT21_DPB*)(ptr + 1);
2946 TRACE( "FAT32 - GET EXTENDED DPB %d\n", DL_reg(context) );
2948 if ( CX_reg(context) < sizeof(INT21_DPB) + 2 || *ptr < sizeof(INT21_DPB) )
2950 SetLastError( ERROR_BAD_LENGTH );
2954 if ( !INT21_FillDrivePB( drive ) )
2956 SetLastError( ERROR_INVALID_DRIVE );
2960 source = &INT21_GetHeapPointer()->misc_dpb_list[drive];
2962 *ptr = sizeof(INT21_DPB);
2963 memcpy( target, source, sizeof(INT21_DPB));
2965 if (LOWORD(context->Esi) != 0xF1A6)
2967 target->driver_header = 0;
2972 FIXME( "Caller requested driver and next DPB pointers!\n" );
2977 case 0x03: /* FAT32 - GET EXTENDED FREE SPACE ON DRIVE */
2979 WCHAR dirW[MAX_PATH];
2980 char *dirA = CTX_SEG_OFF_TO_LIN( context,
2981 context->SegDs, context->Edx );
2982 BYTE *data = CTX_SEG_OFF_TO_LIN( context,
2983 context->SegEs, context->Edi );
2984 DWORD cluster_sectors;
2986 DWORD free_clusters;
2987 DWORD total_clusters;
2989 TRACE( "FAT32 - GET EXTENDED FREE SPACE ON DRIVE %s\n", dirA );
2990 MultiByteToWideChar(CP_OEMCP, 0, dirA, -1, dirW, MAX_PATH);
2992 if (CX_reg(context) < 44)
2994 SetLastError( ERROR_BAD_LENGTH );
2998 if (!GetDiskFreeSpaceW( dirW, &cluster_sectors, §or_bytes,
2999 &free_clusters, &total_clusters ))
3002 *(WORD*) (data + 0) = 44; /* size of structure */
3003 *(WORD*) (data + 2) = 0; /* version */
3004 *(DWORD*)(data + 4) = cluster_sectors;
3005 *(DWORD*)(data + 8) = sector_bytes;
3006 *(DWORD*)(data + 12) = free_clusters;
3007 *(DWORD*)(data + 16) = total_clusters;
3010 * Below we have free/total sectors and
3011 * free/total allocation units without adjustment
3012 * for compression. We fake both using cluster information.
3014 *(DWORD*)(data + 20) = free_clusters * cluster_sectors;
3015 *(DWORD*)(data + 24) = total_clusters * cluster_sectors;
3016 *(DWORD*)(data + 28) = free_clusters;
3017 *(DWORD*)(data + 32) = total_clusters;
3020 * Between (data + 36) and (data + 43) there
3021 * are eight reserved bytes.
3027 INT_BARF( context, 0x21 );
3033 static void INT21_ConvertFindDataWtoA(WIN32_FIND_DATAA *dataA,
3034 const WIN32_FIND_DATAW *dataW)
3036 dataA->dwFileAttributes = dataW->dwFileAttributes;
3037 dataA->ftCreationTime = dataW->ftCreationTime;
3038 dataA->ftLastAccessTime = dataW->ftLastAccessTime;
3039 dataA->ftLastWriteTime = dataW->ftLastWriteTime;
3040 dataA->nFileSizeHigh = dataW->nFileSizeHigh;
3041 dataA->nFileSizeLow = dataW->nFileSizeLow;
3042 WideCharToMultiByte( CP_OEMCP, 0, dataW->cFileName, -1,
3043 dataA->cFileName, sizeof(dataA->cFileName), NULL, NULL );
3044 WideCharToMultiByte( CP_OEMCP, 0, dataW->cAlternateFileName, -1,
3045 dataA->cAlternateFileName, sizeof(dataA->cAlternateFileName), NULL, NULL );
3048 /***********************************************************************
3049 * INT21_LongFilename
3051 * Handler for function 0x71.
3053 static void INT21_LongFilename( CONTEXT86 *context )
3055 BOOL bSetDOSExtendedError = FALSE;
3056 WCHAR pathW[MAX_PATH];
3059 if (HIBYTE(HIWORD(GetVersion16())) < 0x07)
3061 TRACE( "LONG FILENAME - functions supported only under DOS7\n" );
3062 SET_CFLAG( context );
3063 SET_AL( context, 0 );
3067 switch (AL_reg(context))
3069 case 0x0d: /* RESET DRIVE */
3070 INT_BARF( context, 0x21 );
3073 case 0x39: /* LONG FILENAME - MAKE DIRECTORY */
3074 if (!INT21_CreateDirectory( context ))
3075 bSetDOSExtendedError = TRUE;
3078 case 0x3a: /* LONG FILENAME - REMOVE DIRECTORY */
3079 pathA = CTX_SEG_OFF_TO_LIN(context, context->SegDs, context->Edx);
3081 TRACE( "LONG FILENAME - REMOVE DIRECTORY %s\n", pathA);
3082 MultiByteToWideChar(CP_OEMCP, 0, pathA, -1, pathW, MAX_PATH);
3083 if (!RemoveDirectoryW( pathW )) bSetDOSExtendedError = TRUE;
3086 case 0x3b: /* LONG FILENAME - CHANGE DIRECTORY */
3087 if (!INT21_SetCurrentDirectory( context ))
3088 bSetDOSExtendedError = TRUE;
3091 case 0x41: /* LONG FILENAME - DELETE FILE */
3092 pathA = CTX_SEG_OFF_TO_LIN(context, context->SegDs, context->Edx);
3094 TRACE( "LONG FILENAME - DELETE FILE %s\n", pathA );
3095 MultiByteToWideChar(CP_OEMCP, 0, pathA, -1, pathW, MAX_PATH);
3097 if (!DeleteFileW( pathW )) bSetDOSExtendedError = TRUE;
3100 case 0x43: /* LONG FILENAME - EXTENDED GET/SET FILE ATTRIBUTES */
3101 if (!INT21_FileAttributes( context, BL_reg(context), TRUE ))
3102 bSetDOSExtendedError = TRUE;
3105 case 0x47: /* LONG FILENAME - GET CURRENT DIRECTORY */
3106 if (!INT21_GetCurrentDirectory( context, TRUE ))
3107 bSetDOSExtendedError = TRUE;
3110 case 0x4e: /* LONG FILENAME - FIND FIRST MATCHING FILE */
3114 WIN32_FIND_DATAW dataW;
3115 WIN32_FIND_DATAA* dataA;
3117 pathA = CTX_SEG_OFF_TO_LIN(context, context->SegDs,context->Edx);
3118 TRACE(" LONG FILENAME - FIND FIRST MATCHING FILE for %s\n", pathA);
3120 MultiByteToWideChar(CP_OEMCP, 0, pathA, -1, pathW, MAX_PATH);
3121 handle = FindFirstFileW(pathW, &dataW);
3123 dataA = (WIN32_FIND_DATAA *)CTX_SEG_OFF_TO_LIN(context, context->SegEs,
3125 if (handle != INVALID_HANDLE_VALUE &&
3126 (h16 = GlobalAlloc16(GMEM_MOVEABLE, sizeof(handle))))
3128 HANDLE* ptr = GlobalLock16( h16 );
3130 GlobalUnlock16( h16 );
3131 SET_AX( context, h16 );
3132 INT21_ConvertFindDataWtoA(dataA, &dataW);
3136 if (handle != INVALID_HANDLE_VALUE) FindClose(handle);
3137 SET_AX( context, INVALID_HANDLE_VALUE16);
3138 bSetDOSExtendedError = TRUE;
3143 case 0x4f: /* LONG FILENAME - FIND NEXT MATCHING FILE */
3145 HGLOBAL16 h16 = BX_reg(context);
3147 WIN32_FIND_DATAW dataW;
3148 WIN32_FIND_DATAA* dataA;
3150 TRACE("LONG FILENAME - FIND NEXT MATCHING FILE for handle %d\n",
3153 dataA = (WIN32_FIND_DATAA *)CTX_SEG_OFF_TO_LIN(context, context->SegEs,
3156 if (h16 != INVALID_HANDLE_VALUE16 && (ptr = GlobalLock16( h16 )))
3158 if (!FindNextFileW(*ptr, &dataW)) bSetDOSExtendedError = TRUE;
3159 else INT21_ConvertFindDataWtoA(dataA, &dataW);
3160 GlobalUnlock16( h16 );
3164 SetLastError( ERROR_INVALID_HANDLE );
3165 bSetDOSExtendedError = TRUE;
3170 case 0x56: /* LONG FILENAME - RENAME FILE */
3171 if (!INT21_RenameFile(context))
3172 bSetDOSExtendedError = TRUE;
3175 case 0x60: /* LONG FILENAME - CONVERT PATH */
3177 WCHAR res[MAX_PATH];
3179 switch (CL_reg(context))
3181 case 0x00: /* "truename" - Canonicalize path */
3183 * FIXME: This is not 100% equal to 0x01 case,
3184 * if you fix this, fix int21 subfunction 0x60, too.
3187 case 0x01: /* Get short filename or path */
3188 MultiByteToWideChar(CP_OEMCP, 0, CTX_SEG_OFF_TO_LIN(context, context->SegDs, context->Esi), -1, pathW, MAX_PATH);
3189 if (!GetShortPathNameW(pathW, res, 67))
3190 bSetDOSExtendedError = TRUE;
3193 SET_AX( context, 0 );
3194 WideCharToMultiByte(CP_OEMCP, 0, res, -1,
3195 CTX_SEG_OFF_TO_LIN(context, context->SegEs, context->Edi),
3200 case 0x02: /* Get canonical long filename or path */
3201 MultiByteToWideChar(CP_OEMCP, 0, CTX_SEG_OFF_TO_LIN(context, context->SegDs, context->Esi), -1, pathW, MAX_PATH);
3202 if (!GetFullPathNameW(pathW, 128, res, NULL))
3203 bSetDOSExtendedError = TRUE;
3206 SET_AX( context, 0 );
3207 WideCharToMultiByte(CP_OEMCP, 0, res, -1,
3208 CTX_SEG_OFF_TO_LIN(context, context->SegEs, context->Edi),
3213 FIXME("Unimplemented long file name function:\n");
3214 INT_BARF( context, 0x21 );
3216 SET_AL( context, 0 );
3222 case 0x6c: /* LONG FILENAME - CREATE OR OPEN FILE */
3223 if (!INT21_CreateFile( context, context->Esi, TRUE,
3224 BX_reg(context), DL_reg(context) ))
3225 bSetDOSExtendedError = TRUE;
3228 case 0xa0: /* LONG FILENAME - GET VOLUME INFORMATION */
3230 DWORD filename_len, flags;
3233 pathA = CTX_SEG_OFF_TO_LIN(context, context->SegDs,context->Edx);
3235 TRACE("LONG FILENAME - GET VOLUME INFORMATION for drive having root dir '%s'.\n", pathA);
3236 SET_AX( context, 0 );
3237 MultiByteToWideChar(CP_OEMCP, 0, pathA, -1, pathW, MAX_PATH);
3238 if (!GetVolumeInformationW( pathW, NULL, 0, NULL, &filename_len,
3241 INT_BARF( context, 0x21 );
3245 SET_BX( context, flags | 0x4000 ); /* support for LFN functions */
3246 SET_CX( context, filename_len );
3247 SET_DX( context, MAX_PATH ); /* FIXME: which len if DRIVE_SHORT_NAMES ? */
3248 WideCharToMultiByte(CP_OEMCP, 0, dstW, -1,
3249 CTX_SEG_OFF_TO_LIN(context, context->SegEs, context->Edi),
3254 case 0xa1: /* LONG FILENAME - "FindClose" - TERMINATE DIRECTORY SEARCH */
3256 HGLOBAL16 h16 = BX_reg(context);
3259 TRACE("LONG FILENAME - FINDCLOSE for handle %d\n",
3261 if (h16 != INVALID_HANDLE_VALUE16 && (ptr = GlobalLock16( h16 )))
3263 if (!FindClose( *ptr )) bSetDOSExtendedError = TRUE;
3264 GlobalUnlock16( h16 );
3265 GlobalFree16( h16 );
3269 SetLastError( ERROR_INVALID_HANDLE );
3270 bSetDOSExtendedError = TRUE;
3275 case 0xa6: /* LONG FILENAME - GET FILE INFO BY HANDLE */
3277 HANDLE handle = DosFileHandleToWin32Handle(BX_reg(context));
3278 BY_HANDLE_FILE_INFORMATION *info =
3279 CTX_SEG_OFF_TO_LIN(context, context->SegDs, context->Edx);
3281 TRACE( "LONG FILENAME - GET FILE INFO BY HANDLE\n" );
3283 if (!GetFileInformationByHandle(handle, info))
3284 bSetDOSExtendedError = TRUE;
3288 case 0xa7: /* LONG FILENAME - CONVERT TIME */
3289 switch (BL_reg(context))
3291 case 0x00: /* FILE TIME TO DOS TIME */
3294 FILETIME *filetime = CTX_SEG_OFF_TO_LIN(context,
3298 TRACE( "LONG FILENAME - FILE TIME TO DOS TIME\n" );
3300 FileTimeToDosDateTime( filetime, &date, &time );
3302 SET_DX( context, date );
3303 SET_CX( context, time );
3306 * FIXME: BH has number of 10-millisecond units
3309 SET_BH( context, 0 );
3313 case 0x01: /* DOS TIME TO FILE TIME */
3315 FILETIME *filetime = CTX_SEG_OFF_TO_LIN(context,
3319 TRACE( "LONG FILENAME - DOS TIME TO FILE TIME\n" );
3322 * FIXME: BH has number of 10-millisecond units
3325 DosDateTimeToFileTime( DX_reg(context), CX_reg(context),
3331 INT_BARF( context, 0x21 );
3336 case 0xa8: /* LONG FILENAME - GENERATE SHORT FILENAME */
3337 case 0xa9: /* LONG FILENAME - SERVER CREATE OR OPEN FILE */
3338 case 0xaa: /* LONG FILENAME - SUBST */
3340 FIXME("Unimplemented long file name function:\n");
3341 INT_BARF( context, 0x21 );
3343 SET_AL( context, 0 );
3347 if (bSetDOSExtendedError)
3349 SET_AX( context, GetLastError() );
3350 SET_CFLAG( context );
3355 /***********************************************************************
3360 * - subfunction 0x56 of function 0x71
3361 * - subfunction 0xff of function 0x43 (CL == 0x56)
3363 static BOOL INT21_RenameFile( CONTEXT86 *context )
3365 WCHAR fromW[MAX_PATH];
3366 WCHAR toW[MAX_PATH];
3367 char *fromA = CTX_SEG_OFF_TO_LIN(context,
3368 context->SegDs,context->Edx);
3369 char *toA = CTX_SEG_OFF_TO_LIN(context,
3370 context->SegEs,context->Edi);
3372 TRACE( "RENAME FILE %s to %s\n", fromA, toA );
3373 MultiByteToWideChar(CP_OEMCP, 0, fromA, -1, fromW, MAX_PATH);
3374 MultiByteToWideChar(CP_OEMCP, 0, toA, -1, toW, MAX_PATH);
3376 return MoveFileW( fromW, toW );
3380 /***********************************************************************
3386 static BOOL INT21_NetworkFunc (CONTEXT86 *context)
3388 switch (AL_reg(context))
3390 case 0x00: /* Get machine name. */
3392 WCHAR dstW[MAX_COMPUTERNAME_LENGTH + 1];
3393 DWORD s = sizeof(dstW) / sizeof(WCHAR);
3396 char *dst = CTX_SEG_OFF_TO_LIN (context,context->SegDs,context->Edx);
3397 TRACE("getting machine name to %p\n", dst);
3398 if (!GetComputerNameW(dstW, &s) ||
3399 !WideCharToMultiByte(CP_OEMCP, 0, dstW, -1, dst, 16, NULL, NULL))
3402 SetLastError( ER_NoNetwork );
3405 for (len = strlen(dst); len < 15; len++) dst[len] = ' ';
3407 SET_CH( context, 1 ); /* Valid */
3408 SET_CL( context, 1 ); /* NETbios number??? */
3409 TRACE("returning %s\n", debugstr_an(dst, 16));
3414 SetLastError( ER_NoNetwork );
3419 /******************************************************************
3420 * INT21_GetDiskSerialNumber
3423 static int INT21_GetDiskSerialNumber( CONTEXT86 *context )
3425 BYTE *dataptr = CTX_SEG_OFF_TO_LIN(context, context->SegDs, context->Edx);
3426 WCHAR path[] = {'A',':',0}, label[11];
3429 path[0] += INT21_MapDrive(BL_reg(context));
3430 if (!GetVolumeInformationW( path, label, 11, &serial, NULL, NULL, NULL, 0))
3432 SetLastError( ERROR_INVALID_DRIVE );
3436 *(WORD *)dataptr = 0;
3437 memcpy(dataptr + 2, &serial, sizeof(DWORD));
3438 WideCharToMultiByte(CP_OEMCP, 0, label, 11, (LPSTR)dataptr + 6, 11, NULL, NULL);
3439 memcpy(dataptr + 17, "FAT16 ", 8);
3444 /******************************************************************
3445 * INT21_SetDiskSerialNumber
3448 static int INT21_SetDiskSerialNumber( CONTEXT86 *context )
3451 BYTE *dataptr = CTX_SEG_OFF_TO_LIN(context, context->SegDs, context->Edx);
3452 int drive = INT21_MapDrive(BL_reg(context));
3454 if (!is_valid_drive(drive))
3456 SetLastError( ERROR_INVALID_DRIVE );
3460 DRIVE_SetSerialNumber( drive, *(DWORD *)(dataptr + 2) );
3463 FIXME("Setting drive serial number is no longer supported\n");
3464 SetLastError( ERROR_NOT_SUPPORTED );
3470 /******************************************************************
3471 * INT21_GetFreeDiskSpace
3474 static int INT21_GetFreeDiskSpace( CONTEXT86 *context )
3476 DWORD cluster_sectors, sector_bytes, free_clusters, total_clusters;
3477 WCHAR root[] = {'A',':','\\',0};
3479 root[0] += INT21_MapDrive(DL_reg(context));
3480 if (!GetDiskFreeSpaceW( root, &cluster_sectors, §or_bytes,
3481 &free_clusters, &total_clusters )) return 0;
3482 /* make sure that the number of clusters fits in a 16 bits value */
3483 while( total_clusters & 0xffff0000) {
3484 cluster_sectors <<= 1;
3485 free_clusters >>= 1;
3486 total_clusters >>= 1;
3488 SET_AX( context, cluster_sectors );
3489 SET_BX( context, free_clusters );
3490 SET_CX( context, sector_bytes );
3491 SET_DX( context, total_clusters );
3495 /******************************************************************
3496 * INT21_GetDriveAllocInfo
3499 static int INT21_GetDriveAllocInfo( CONTEXT86 *context, BYTE drive )
3503 drive = INT21_MapDrive( drive );
3504 if (!INT21_FillDrivePB( drive )) return 0;
3505 dpb = &(INT21_GetHeapPointer()->misc_dpb_list[drive]);
3506 SET_AL( context, dpb->cluster_sectors + 1 );
3507 SET_CX( context, dpb->sector_bytes );
3508 SET_DX( context, dpb->num_clusters1 );
3510 context->SegDs = INT21_GetHeapSelector( context );
3511 SET_BX( context, offsetof( INT21_HEAP, misc_dpb_list[drive].media_ID ) );
3515 /***********************************************************************
3516 * INT21_GetExtendedError
3518 static void INT21_GetExtendedError( CONTEXT86 *context )
3520 BYTE class, action, locus;
3521 WORD error = GetLastError();
3526 class = action = locus = 0;
3528 case ERROR_DIR_NOT_EMPTY:
3533 case ERROR_ACCESS_DENIED:
3534 class = EC_AccessDenied;
3538 case ERROR_CANNOT_MAKE:
3539 class = EC_AccessDenied;
3543 case ERROR_DISK_FULL:
3544 case ERROR_HANDLE_DISK_FULL:
3545 class = EC_MediaError;
3549 case ERROR_FILE_EXISTS:
3550 case ERROR_ALREADY_EXISTS:
3555 case ERROR_FILE_NOT_FOUND:
3556 class = EC_NotFound;
3560 case ERROR_GEN_FAILURE:
3561 class = EC_SystemFailure;
3565 case ERROR_INVALID_DRIVE:
3566 class = EC_MediaError;
3570 case ERROR_INVALID_HANDLE:
3571 class = EC_ProgramError;
3575 case ERROR_LOCK_VIOLATION:
3576 class = EC_AccessDenied;
3580 case ERROR_NO_MORE_FILES:
3581 class = EC_MediaError;
3586 class = EC_NotFound;
3590 case ERROR_NOT_ENOUGH_MEMORY:
3591 class = EC_OutOfResource;
3595 case ERROR_PATH_NOT_FOUND:
3596 class = EC_NotFound;
3601 class = EC_NotFound;
3605 case ERROR_SHARING_VIOLATION:
3606 class = EC_Temporary;
3610 case ERROR_TOO_MANY_OPEN_FILES:
3611 class = EC_ProgramError;
3616 FIXME("Unknown error %d\n", error );
3617 class = EC_SystemFailure;
3622 TRACE("GET EXTENDED ERROR code 0x%02x class 0x%02x action 0x%02x locus %02x\n",
3623 error, class, action, locus );
3624 SET_AX( context, error );
3625 SET_BH( context, class );
3626 SET_BL( context, action );
3627 SET_CH( context, locus );
3630 static BOOL INT21_CreateTempFile( CONTEXT86 *context )
3632 static int counter = 0;
3633 char *name = CTX_SEG_OFF_TO_LIN(context, context->SegDs, context->Edx );
3634 char *p = name + strlen(name);
3636 /* despite what Ralf Brown says, some programs seem to call without
3637 * ending backslash (DOS accepts that, so we accept it too) */
3638 if ((p == name) || (p[-1] != '\\')) *p++ = '\\';
3642 sprintf( p, "wine%04x.%03d", (int)getpid(), counter );
3643 counter = (counter + 1) % 1000;
3646 Win32HandleToDosFileHandle(
3647 CreateFileA( name, GENERIC_READ | GENERIC_WRITE,
3648 FILE_SHARE_READ | FILE_SHARE_WRITE, NULL,
3649 CREATE_NEW, 0, 0 ) ) );
3650 if (AX_reg(context) != HFILE_ERROR16)
3652 TRACE("created %s\n", name );
3655 if (GetLastError() != ERROR_FILE_EXISTS) return FALSE;
3659 /***********************************************************************
3660 * DOSFS_ToDosFCBFormat
3662 * Convert a file name to DOS FCB format (8+3 chars, padded with blanks),
3663 * expanding wild cards and converting to upper-case in the process.
3664 * File name can be terminated by '\0', '\\' or '/'.
3665 * Return FALSE if the name is not a valid DOS name.
3666 * 'buffer' must be at least 12 characters long.
3668 /* Chars we don't want to see in DOS file names */
3669 static BOOL INT21_ToDosFCBFormat( LPCWSTR name, LPWSTR buffer )
3671 static const WCHAR invalid_chars[] = {'*','?','<','>','|','\\','"','+','=',',',';','[',']',' ','\345',0};
3675 /* Check for "." and ".." */
3680 for(i = 1; i < 11; i++) buffer[i] = ' ';
3687 return (!*p || (*p == '/') || (*p == '\\'));
3690 for (i = 0; i < 8; i++)
3707 if (strchrW( invalid_chars, *p )) return FALSE;
3708 buffer[i] = toupperW(*p);
3716 /* Skip all chars after wildcard up to first dot */
3717 while (*p && (*p != '/') && (*p != '\\') && (*p != '.')) p++;
3721 /* Check if name too long */
3722 if (*p && (*p != '/') && (*p != '\\') && (*p != '.')) return FALSE;
3724 if (*p == '.') p++; /* Skip dot */
3726 for (i = 8; i < 11; i++)
3736 return FALSE; /* Second extension not allowed */
3744 if (strchrW( invalid_chars, *p )) return FALSE;
3745 buffer[i] = toupperW(*p);
3752 /* at most 3 character of the extension are processed
3753 * is something behind this ?
3755 while (*p == '*' || *p == ' ') p++; /* skip wildcards and spaces */
3756 return (!*p || (*p == '/') || (*p == '\\'));
3759 static HANDLE INT21_FindHandle;
3760 static const WCHAR *INT21_FindPath; /* will point to current dta->fullPath search */
3762 /******************************************************************
3765 static int INT21_FindFirst( CONTEXT86 *context )
3769 FINDFILE_DTA *dta = (FINDFILE_DTA *)INT21_GetCurrentDTA(context);
3770 WCHAR maskW[12], pathW[MAX_PATH];
3771 static const WCHAR wildcardW[] = {'*','.','*',0};
3773 path = (const char *)CTX_SEG_OFF_TO_LIN(context, context->SegDs, context->Edx);
3774 MultiByteToWideChar(CP_OEMCP, 0, path, -1, pathW, MAX_PATH);
3776 p = strrchrW( pathW, '\\');
3777 q = strrchrW( pathW, '/');
3781 if (pathW[0] && pathW[1] == ':') p = pathW + 2;
3786 /* Note: terminating NULL in dta->mask overwrites dta->search_attr
3787 * (doesn't matter as it is set below anyway)
3789 if (!INT21_ToDosFCBFormat( p, maskW ))
3791 SetLastError( ERROR_FILE_NOT_FOUND );
3792 SET_AX( context, ERROR_FILE_NOT_FOUND );
3796 WideCharToMultiByte(CP_OEMCP, 0, maskW, 12, dta->mask, sizeof(dta->mask), NULL, NULL);
3798 dta->fullPath = HeapAlloc( GetProcessHeap(), 0, sizeof(wildcardW) + (p - pathW)*sizeof(WCHAR) );
3799 memcpy( dta->fullPath, pathW, (p - pathW) * sizeof(WCHAR) );
3800 memcpy( dta->fullPath + (p - pathW), wildcardW, sizeof(wildcardW) );
3801 /* we must have a fully qualified file name in dta->fullPath
3802 * (we could have a UNC path, but this would lead to some errors later on)
3804 dta->drive = toupperW(dta->fullPath[0]) - 'A';
3806 dta->search_attr = CL_reg(context);
3810 /******************************************************************
3813 * Check is a short path name (DTA unicode) matches a mask (FCB ansi)
3815 static BOOL match_short(LPCWSTR shortW, LPCSTR maskA)
3817 WCHAR mask[11], file[12];
3820 if (!INT21_ToDosFCBFormat( shortW, file )) return FALSE;
3821 MultiByteToWideChar(CP_OEMCP, 0, maskA, 11, mask, 11);
3822 for (i = 0; i < 11; i++)
3823 if (mask[i] != '?' && mask[i] != file[i]) return FALSE;
3827 static unsigned INT21_FindHelper(LPCWSTR fullPath, unsigned drive, unsigned count,
3828 LPCSTR mask, unsigned search_attr,
3829 WIN32_FIND_DATAW* entry)
3833 if ((search_attr & ~(FA_UNUSED | FA_ARCHIVE | FA_RDONLY)) == FA_LABEL)
3835 WCHAR path[] = {' ',':',0};
3837 if (count) return 0;
3838 path[0] = drive + 'A';
3839 if (!GetVolumeInformationW(path, entry->cAlternateFileName, 13, NULL, NULL, NULL, NULL, 0)) return 0;
3840 RtlSecondsSince1970ToTime( (time_t)0, (LARGE_INTEGER *)&entry->ftCreationTime );
3841 RtlSecondsSince1970ToTime( (time_t)0, (LARGE_INTEGER *)&entry->ftLastAccessTime );
3842 RtlSecondsSince1970ToTime( (time_t)0, (LARGE_INTEGER *)&entry->ftLastWriteTime );
3843 entry->dwFileAttributes = FA_LABEL;
3844 entry->nFileSizeHigh = entry->nFileSizeLow = 0;
3845 TRACE("returning %s as label\n", debugstr_w(entry->cAlternateFileName));
3849 if (!INT21_FindHandle || INT21_FindPath != fullPath || count == 0)
3851 if (INT21_FindHandle) FindClose(INT21_FindHandle);
3852 INT21_FindHandle = FindFirstFileW(fullPath, entry);
3853 if (INT21_FindHandle == INVALID_HANDLE_VALUE)
3855 INT21_FindHandle = 0;
3858 INT21_FindPath = fullPath;
3859 /* we need to resync search */
3864 while (ncalls-- != 0)
3866 if (!FindNextFileW(INT21_FindHandle, entry))
3868 FindClose(INT21_FindHandle); INT21_FindHandle = 0;
3872 while (count < 0xffff)
3875 /* Check the file attributes, and path */
3876 if (!(entry->dwFileAttributes & ~search_attr) &&
3877 match_short(entry->cAlternateFileName[0] ? entry->cAlternateFileName : entry->cFileName,
3882 if (!FindNextFileW(INT21_FindHandle, entry))
3884 FindClose(INT21_FindHandle); INT21_FindHandle = 0;
3888 WARN("Too many directory entries in %s\n", debugstr_w(fullPath) );
3892 /******************************************************************
3895 static int INT21_FindNext( CONTEXT86 *context )
3897 FINDFILE_DTA *dta = (FINDFILE_DTA *)INT21_GetCurrentDTA(context);
3898 DWORD attr = dta->search_attr | FA_UNUSED | FA_ARCHIVE | FA_RDONLY;
3899 WIN32_FIND_DATAW entry;
3902 if (!dta->fullPath) return 0;
3904 n = INT21_FindHelper(dta->fullPath, dta->drive, dta->count,
3905 dta->mask, attr, &entry);
3908 dta->fileattr = entry.dwFileAttributes;
3909 dta->filesize = entry.nFileSizeLow;
3910 FileTimeToDosDateTime( &entry.ftLastWriteTime, &dta->filedate, &dta->filetime );
3911 if (entry.cAlternateFileName[0])
3912 WideCharToMultiByte(CP_OEMCP, 0, entry.cAlternateFileName, -1,
3913 dta->filename, 13, NULL, NULL);
3915 WideCharToMultiByte(CP_OEMCP, 0, entry.cFileName, -1, dta->filename, 13, NULL, NULL);
3917 if (!memchr(dta->mask,'?',11))
3919 /* wildcardless search, release resources in case no findnext will
3920 * be issued, and as a workaround in case file creation messes up
3921 * findnext, as sometimes happens with pkunzip
3923 HeapFree( GetProcessHeap(), 0, dta->fullPath );
3924 INT21_FindPath = dta->fullPath = NULL;
3929 HeapFree( GetProcessHeap(), 0, dta->fullPath );
3930 INT21_FindPath = dta->fullPath = NULL;
3934 /* microsoft's programmers should be shot for using CP/M style int21
3935 calls in Windows for Workgroup's winfile.exe */
3937 /******************************************************************
3938 * INT21_FindFirstFCB
3941 static int INT21_FindFirstFCB( CONTEXT86 *context )
3943 BYTE *fcb = (BYTE *)CTX_SEG_OFF_TO_LIN(context, context->SegDs, context->Edx);
3946 WCHAR p[] = {' ',':',};
3948 if (*fcb == 0xff) pFCB = (FINDFILE_FCB *)(fcb + 7);
3949 else pFCB = (FINDFILE_FCB *)fcb;
3950 drive = INT21_MapDrive( pFCB->drive );
3951 if (drive == MAX_DOS_DRIVES) return 0;
3954 pFCB->fullPath = HeapAlloc(GetProcessHeap(), 0, MAX_PATH * sizeof(WCHAR));
3955 if (!pFCB->fullPath) return 0;
3956 GetLongPathNameW(p, pFCB->fullPath, MAX_PATH);
3961 /******************************************************************
3965 static int INT21_FindNextFCB( CONTEXT86 *context )
3967 BYTE *fcb = (BYTE *)CTX_SEG_OFF_TO_LIN(context, context->SegDs, context->Edx);
3969 LPBYTE pResult = INT21_GetCurrentDTA(context);
3970 DOS_DIRENTRY_LAYOUT *ddl;
3971 WIN32_FIND_DATAW entry;
3976 if (*fcb == 0xff) /* extended FCB ? */
3979 pFCB = (FINDFILE_FCB *)(fcb + 7);
3984 pFCB = (FINDFILE_FCB *)fcb;
3987 if (!pFCB->fullPath) return 0;
3988 n = INT21_FindHelper(pFCB->fullPath, INT21_MapDrive( pFCB->drive ),
3989 pFCB->count, pFCB->filename, attr, &entry);
3992 HeapFree( GetProcessHeap(), 0, pFCB->fullPath );
3993 INT21_FindPath = pFCB->fullPath = NULL;
4000 /* place extended FCB header before pResult if called with extended FCB */
4002 pResult += 6; /* leave reserved field behind */
4003 *pResult++ = entry.dwFileAttributes;
4005 *pResult++ = INT21_MapDrive( pFCB->drive ); /* DOS_DIRENTRY_LAYOUT after current drive number */
4006 ddl = (DOS_DIRENTRY_LAYOUT*)pResult;
4007 ddl->fileattr = entry.dwFileAttributes;
4008 ddl->cluster = 0; /* what else? */
4009 ddl->filesize = entry.nFileSizeLow;
4010 memset( ddl->reserved, 0, sizeof(ddl->reserved) );
4011 FileTimeToDosDateTime( &entry.ftLastWriteTime,
4012 &ddl->filedate, &ddl->filetime );
4014 /* Convert file name to FCB format */
4015 if (entry.cAlternateFileName[0])
4016 INT21_ToDosFCBFormat( entry.cAlternateFileName, nameW );
4018 INT21_ToDosFCBFormat( entry.cFileName, nameW );
4019 WideCharToMultiByte(CP_OEMCP, 0, nameW, 11, ddl->filename, 11, NULL, NULL);
4024 /******************************************************************
4025 * INT21_ParseFileNameIntoFCB
4028 static void INT21_ParseFileNameIntoFCB( CONTEXT86 *context )
4031 CTX_SEG_OFF_TO_LIN(context, context->SegDs, context->Esi );
4033 CTX_SEG_OFF_TO_LIN(context, context->SegEs, context->Edi );
4037 INT buffer_len, len;
4039 SET_AL( context, 0xff ); /* failed */
4041 TRACE("filename: '%s'\n", filename);
4044 while (*s && (*s != ' ') && (*s != '\r') && (*s != '\n'))
4048 buffer_len = MultiByteToWideChar(CP_OEMCP, 0, filename, len, NULL, 0);
4049 buffer = HeapAlloc( GetProcessHeap(), 0, (buffer_len + 1) * sizeof(WCHAR));
4050 len = MultiByteToWideChar(CP_OEMCP, 0, filename, len, buffer, buffer_len);
4052 INT21_ToDosFCBFormat(buffer, fcbW);
4053 HeapFree(GetProcessHeap(), 0, buffer);
4054 WideCharToMultiByte(CP_OEMCP, 0, fcbW, 12, fcb + 1, 12, NULL, NULL);
4056 TRACE("FCB: '%s'\n", fcb + 1);
4058 SET_AL( context, ((strchr(filename, '*')) || (strchr(filename, '$'))) != 0 );
4060 /* point DS:SI to first unparsed character */
4061 SET_SI( context, context->Esi + (int)s - (int)filename );
4064 static BOOL INT21_Dup2(HFILE16 hFile1, HFILE16 hFile2)
4066 HFILE16 res = HFILE_ERROR16;
4067 HANDLE handle, new_handle;
4068 #define DOS_TABLE_SIZE 256
4069 DWORD map[DOS_TABLE_SIZE / 32];
4072 handle = DosFileHandleToWin32Handle(hFile1);
4073 if (handle == INVALID_HANDLE_VALUE)
4077 /* now loop to allocate the same one... */
4078 memset(map, 0, sizeof(map));
4079 for (i = 0; i < DOS_TABLE_SIZE; i++)
4081 if (!DuplicateHandle(GetCurrentProcess(), handle,
4082 GetCurrentProcess(), &new_handle,
4083 0, FALSE, DUPLICATE_SAME_ACCESS))
4085 res = HFILE_ERROR16;
4088 res = Win32HandleToDosFileHandle(new_handle);
4089 if (res == HFILE_ERROR16 || res == hFile2) break;
4090 map[res / 32] |= 1 << (res % 32);
4092 /* clean up the allocated slots */
4093 for (i = 0; i < DOS_TABLE_SIZE; i++)
4095 if (map[i / 32] & (1 << (i % 32)))
4096 _lclose16((HFILE16)i);
4098 return res == hFile2;
4102 /***********************************************************************
4103 * DOSVM_Int21Handler
4105 * Interrupt 0x21 handler.
4107 void WINAPI DOSVM_Int21Handler( CONTEXT86 *context )
4109 BOOL bSetDOSExtendedError = FALSE;
4111 TRACE( "AX=%04x BX=%04x CX=%04x DX=%04x "
4112 "SI=%04x DI=%04x DS=%04x ES=%04x EFL=%08lx\n",
4113 AX_reg(context), BX_reg(context),
4114 CX_reg(context), DX_reg(context),
4115 SI_reg(context), DI_reg(context),
4116 (WORD)context->SegDs, (WORD)context->SegEs,
4120 * Extended error is used by (at least) functions 0x2f to 0x62.
4121 * Function 0x59 returns extended error and error should not
4122 * be cleared before handling the function.
4124 if (AH_reg(context) >= 0x2f && AH_reg(context) != 0x59)
4127 RESET_CFLAG(context); /* Not sure if this is a good idea. */
4129 switch(AH_reg(context))
4131 case 0x00: /* TERMINATE PROGRAM */
4132 TRACE("TERMINATE PROGRAM\n");
4133 if (DOSVM_IsWin16())
4135 else if(ISV86(context))
4136 MZ_Exit( context, FALSE, 0 );
4138 ERR( "Called from DOS protected mode\n" );
4141 case 0x01: /* READ CHARACTER FROM STANDARD INPUT, WITH ECHO */
4144 TRACE("DIRECT CHARACTER INPUT WITH ECHO\n");
4145 INT21_ReadChar( &ascii, context );
4146 SET_AL( context, ascii );
4148 * FIXME: What to echo when extended keycodes are read?
4150 DOSVM_PutChar(AL_reg(context));
4154 case 0x02: /* WRITE CHARACTER TO STANDARD OUTPUT */
4155 TRACE("Write Character to Standard Output\n");
4156 DOSVM_PutChar(DL_reg(context));
4159 case 0x03: /* READ CHARACTER FROM STDAUX */
4160 case 0x04: /* WRITE CHARACTER TO STDAUX */
4161 case 0x05: /* WRITE CHARACTER TO PRINTER */
4162 INT_BARF( context, 0x21 );
4165 case 0x06: /* DIRECT CONSOLE IN/OUTPUT */
4166 if (DL_reg(context) == 0xff)
4168 TRACE("Direct Console Input\n");
4170 if (INT21_ReadChar( NULL, NULL ))
4173 INT21_ReadChar( &ascii, context );
4174 SET_AL( context, ascii );
4175 RESET_ZFLAG( context );
4179 /* no character available */
4180 SET_AL( context, 0 );
4181 SET_ZFLAG( context );
4186 TRACE("Direct Console Output\n");
4187 DOSVM_PutChar(DL_reg(context));
4189 * At least DOS versions 2.1-7.0 return character
4190 * that was written in AL register.
4192 SET_AL( context, DL_reg(context) );
4196 case 0x07: /* DIRECT CHARACTER INPUT WITHOUT ECHO */
4199 TRACE("DIRECT CHARACTER INPUT WITHOUT ECHO\n");
4200 INT21_ReadChar( &ascii, context );
4201 SET_AL( context, ascii );
4205 case 0x08: /* CHARACTER INPUT WITHOUT ECHO */
4208 TRACE("CHARACTER INPUT WITHOUT ECHO\n");
4209 INT21_ReadChar( &ascii, context );
4210 SET_AL( context, ascii );
4214 case 0x09: /* WRITE STRING TO STANDARD OUTPUT */
4215 TRACE("WRITE '$'-terminated string from %04lX:%04X to stdout\n",
4216 context->SegDs, DX_reg(context) );
4218 LPSTR data = CTX_SEG_OFF_TO_LIN( context,
4219 context->SegDs, context->Edx );
4223 * Do NOT use strchr() to calculate the string length,
4224 * as '\0' is valid string content, too!
4225 * Maybe we should check for non-'$' strings, but DOS doesn't.
4227 while (*p != '$') p++;
4229 if (DOSVM_IsWin16())
4230 WriteFile( DosFileHandleToWin32Handle(1),
4231 data, p - data, &w, NULL );
4233 for(; data != p; data++)
4234 DOSVM_PutChar( *data );
4236 SET_AL( context, '$' ); /* yes, '$' (0x24) gets returned in AL */
4240 case 0x0a: /* BUFFERED INPUT */
4242 BYTE *ptr = CTX_SEG_OFF_TO_LIN(context,
4247 TRACE( "BUFFERED INPUT (size=%d)\n", ptr[0] );
4250 * FIXME: Some documents state that
4251 * ptr[1] holds number of chars from last input which
4252 * may be recalled on entry, other documents do not mention
4256 TRACE( "Handle old chars in buffer!\n" );
4259 * ptr[0] - capacity (includes terminating CR)
4260 * ptr[1] - characters read (excludes terminating CR)
4262 result = INT21_BufferedInput( context, ptr + 2, ptr[0] );
4264 ptr[1] = (BYTE)result - 1;
4270 case 0x0b: /* GET STDIN STATUS */
4271 TRACE( "GET STDIN STATUS\n" );
4273 if (INT21_ReadChar( NULL, NULL ))
4274 SET_AL( context, 0xff ); /* character available */
4276 SET_AL( context, 0 ); /* no character available */
4280 case 0x0c: /* FLUSH BUFFER AND READ STANDARD INPUT */
4282 BYTE al = AL_reg(context); /* Input function to execute after flush. */
4284 TRACE( "FLUSH BUFFER AND READ STANDARD INPUT - 0x%02x\n", al );
4286 /* FIXME: buffers are not flushed */
4289 * If AL is one of 0x01, 0x06, 0x07, 0x08, or 0x0a,
4290 * int21 function identified by AL will be called.
4292 if(al == 0x01 || al == 0x06 || al == 0x07 || al == 0x08 || al == 0x0a)
4294 SET_AH( context, al );
4295 DOSVM_Int21Handler( context );
4300 case 0x0d: /* DISK BUFFER FLUSH */
4301 TRACE("DISK BUFFER FLUSH ignored\n");
4304 case 0x0e: /* SELECT DEFAULT DRIVE */
4305 TRACE( "SELECT DEFAULT DRIVE - %c:\n", 'A' + DL_reg(context) );
4306 INT21_SetCurrentDrive( DL_reg(context) );
4307 SET_AL( context, MAX_DOS_DRIVES );
4310 case 0x0f: /* OPEN FILE USING FCB */
4311 INT21_OpenFileUsingFCB( context );
4314 case 0x10: /* CLOSE FILE USING FCB */
4315 INT21_CloseFileUsingFCB( context );
4318 case 0x11: /* FIND FIRST MATCHING FILE USING FCB */
4319 TRACE("FIND FIRST MATCHING FILE USING FCB %p\n",
4320 CTX_SEG_OFF_TO_LIN(context, context->SegDs, context->Edx));
4321 if (!INT21_FindFirstFCB(context))
4323 SET_AL( context, 0xff );
4326 /* else fall through */
4328 case 0x12: /* FIND NEXT MATCHING FILE USING FCB */
4329 SET_AL( context, INT21_FindNextFCB(context) ? 0x00 : 0xff );
4332 case 0x13: /* DELETE FILE USING FCB */
4333 INT_BARF( context, 0x21 );
4336 case 0x14: /* SEQUENTIAL READ FROM FCB FILE */
4337 INT21_SequentialReadFromFCB( context );
4340 case 0x15: /* SEQUENTIAL WRITE TO FCB FILE */
4341 INT21_SequentialWriteToFCB( context );
4344 case 0x16: /* CREATE OR TRUNCATE FILE USING FCB */
4345 case 0x17: /* RENAME FILE USING FCB */
4346 INT_BARF( context, 0x21 );
4349 case 0x18: /* NULL FUNCTION FOR CP/M COMPATIBILITY */
4350 SET_AL( context, 0 );
4353 case 0x19: /* GET CURRENT DEFAULT DRIVE */
4354 SET_AL( context, INT21_GetCurrentDrive() );
4355 TRACE( "GET CURRENT DRIVE -> %c:\n", 'A' + AL_reg( context ) );
4358 case 0x1a: /* SET DISK TRANSFER AREA ADDRESS */
4359 TRACE( "SET DISK TRANSFER AREA ADDRESS %04lX:%04X\n",
4360 context->SegDs, DX_reg(context) );
4362 TDB *task = GlobalLock16( GetCurrentTask() );
4363 task->dta = MAKESEGPTR( context->SegDs, DX_reg(context) );
4367 case 0x1b: /* GET ALLOCATION INFORMATION FOR DEFAULT DRIVE */
4368 if (!INT21_GetDriveAllocInfo(context, 0))
4369 SET_AX( context, 0xffff );
4372 case 0x1c: /* GET ALLOCATION INFORMATION FOR SPECIFIC DRIVE */
4373 if (!INT21_GetDriveAllocInfo(context, DL_reg(context)))
4374 SET_AX( context, 0xffff );
4377 case 0x1d: /* NULL FUNCTION FOR CP/M COMPATIBILITY */
4378 case 0x1e: /* NULL FUNCTION FOR CP/M COMPATIBILITY */
4379 SET_AL( context, 0 );
4382 case 0x1f: /* GET DRIVE PARAMETER BLOCK FOR DEFAULT DRIVE */
4384 BYTE drive = INT21_MapDrive( 0 );
4385 TRACE( "GET DPB FOR DEFAULT DRIVE\n" );
4387 if (INT21_FillDrivePB( drive ))
4389 SET_AL( context, 0x00 ); /* success */
4390 SET_BX( context, offsetof( INT21_HEAP, misc_dpb_list[drive] ) );
4391 context->SegDs = INT21_GetHeapSelector( context );
4395 SET_AL( context, 0xff ); /* invalid or network drive */
4400 case 0x20: /* NULL FUNCTION FOR CP/M COMPATIBILITY */
4401 SET_AL( context, 0 );
4404 case 0x21: /* READ RANDOM RECORD FROM FCB FILE */
4405 INT21_ReadRandomRecordFromFCB( context );
4408 case 0x22: /* WRITE RANDOM RECORD TO FCB FILE */
4409 INT21_WriteRandomRecordToFCB( context );
4412 case 0x23: /* GET FILE SIZE FOR FCB */
4413 case 0x24: /* SET RANDOM RECORD NUMBER FOR FCB */
4414 INT_BARF( context, 0x21 );
4417 case 0x25: /* SET INTERRUPT VECTOR */
4418 TRACE("SET INTERRUPT VECTOR 0x%02x\n",AL_reg(context));
4420 FARPROC16 ptr = (FARPROC16)MAKESEGPTR( context->SegDs, DX_reg(context) );
4421 if (!ISV86(context) && DOSVM_IsWin16())
4422 DOSVM_SetPMHandler16( AL_reg(context), ptr );
4424 DOSVM_SetRMHandler( AL_reg(context), ptr );
4428 case 0x26: /* CREATE NEW PROGRAM SEGMENT PREFIX */
4429 INT_BARF( context, 0x21 );
4432 case 0x27: /* RANDOM BLOCK READ FROM FCB FILE */
4433 INT21_RandomBlockReadFromFCB( context );
4436 case 0x28: /* RANDOM BLOCK WRITE TO FCB FILE */
4437 INT21_RandomBlockWriteToFCB( context );
4440 case 0x29: /* PARSE FILENAME INTO FCB */
4441 INT21_ParseFileNameIntoFCB(context);
4444 case 0x2a: /* GET SYSTEM DATE */
4445 TRACE( "GET SYSTEM DATE\n" );
4448 GetLocalTime( &systime );
4449 SET_CX( context, systime.wYear );
4450 SET_DH( context, systime.wMonth );
4451 SET_DL( context, systime.wDay );
4452 SET_AL( context, systime.wDayOfWeek );
4456 case 0x2b: /* SET SYSTEM DATE */
4457 TRACE( "SET SYSTEM DATE\n" );
4459 WORD year = CX_reg(context);
4460 BYTE month = DH_reg(context);
4461 BYTE day = DL_reg(context);
4463 if (year >= 1980 && year <= 2099 &&
4464 month >= 1 && month <= 12 &&
4465 day >= 1 && day <= 31)
4467 FIXME( "SetSystemDate(%02d/%02d/%04d): not allowed\n",
4469 SET_AL( context, 0 ); /* Let's pretend we succeeded */
4473 SET_AL( context, 0xff ); /* invalid date */
4474 TRACE( "SetSystemDate(%02d/%02d/%04d): invalid date\n",
4480 case 0x2c: /* GET SYSTEM TIME */
4481 TRACE( "GET SYSTEM TIME\n" );
4484 GetLocalTime( &systime );
4485 SET_CH( context, systime.wHour );
4486 SET_CL( context, systime.wMinute );
4487 SET_DH( context, systime.wSecond );
4488 SET_DL( context, systime.wMilliseconds / 10 );
4492 case 0x2d: /* SET SYSTEM TIME */
4493 if( CH_reg(context) >= 24 || CL_reg(context) >= 60 || DH_reg(context) >= 60 || DL_reg(context) >= 100 ) {
4494 TRACE("SetSystemTime(%02d:%02d:%02d.%02d): wrong time\n",
4495 CH_reg(context), CL_reg(context),
4496 DH_reg(context), DL_reg(context) );
4497 SET_AL( context, 0xFF );
4501 FIXME("SetSystemTime(%02d:%02d:%02d.%02d): not allowed\n",
4502 CH_reg(context), CL_reg(context),
4503 DH_reg(context), DL_reg(context) );
4504 SET_AL( context, 0 ); /* Let's pretend we succeeded */
4508 case 0x2e: /* SET VERIFY FLAG */
4509 TRACE("SET VERIFY FLAG ignored\n");
4510 /* we cannot change the behaviour anyway, so just ignore it */
4513 case 0x2f: /* GET DISK TRANSFER AREA ADDRESS */
4514 TRACE( "GET DISK TRANSFER AREA ADDRESS\n" );
4516 TDB *task = GlobalLock16( GetCurrentTask() );
4517 context->SegEs = SELECTOROF( task->dta );
4518 SET_BX( context, OFFSETOF( task->dta ) );
4522 case 0x30: /* GET DOS VERSION */
4523 TRACE( "GET DOS VERSION - %s requested\n",
4524 (AL_reg(context) == 0x00) ? "OEM number" : "version flag" );
4526 if (AL_reg(context) == 0x00)
4527 SET_BH( context, 0xff ); /* OEM number => undefined */
4529 SET_BH( context, 0x08 ); /* version flag => DOS is in ROM */
4531 SET_AL( context, HIBYTE(HIWORD(GetVersion16())) ); /* major version */
4532 SET_AH( context, LOBYTE(HIWORD(GetVersion16())) ); /* minor version */
4534 SET_BL( context, 0x12 ); /* 0x123456 is 24-bit Wine's serial # */
4535 SET_CX( context, 0x3456 );
4538 case 0x31: /* TERMINATE AND STAY RESIDENT */
4539 FIXME("TERMINATE AND STAY RESIDENT stub\n");
4542 case 0x32: /* GET DOS DRIVE PARAMETER BLOCK FOR SPECIFIC DRIVE */
4544 BYTE drive = INT21_MapDrive( DL_reg(context) );
4545 TRACE( "GET DPB FOR SPECIFIC DRIVE %d\n", DL_reg(context) );
4547 if (INT21_FillDrivePB( drive ))
4549 SET_AL( context, 0x00 ); /* success */
4550 SET_DX( context, offsetof( INT21_HEAP, misc_dpb_list[drive] ) );
4551 context->SegDs = INT21_GetHeapSelector( context );
4555 SET_AL( context, 0xff ); /* invalid or network drive */
4560 case 0x33: /* MULTIPLEXED */
4561 switch (AL_reg(context))
4563 case 0x00: /* GET CURRENT EXTENDED BREAK STATE */
4564 TRACE("GET CURRENT EXTENDED BREAK STATE\n");
4565 SET_DL( context, DOSCONF_GetConfig()->brk_flag );
4568 case 0x01: /* SET EXTENDED BREAK STATE */
4569 TRACE("SET CURRENT EXTENDED BREAK STATE\n");
4570 DOSCONF_GetConfig()->brk_flag = (DL_reg(context) > 0) ? 1 : 0;
4573 case 0x02: /* GET AND SET EXTENDED CONTROL-BREAK CHECKING STATE*/
4574 TRACE("GET AND SET EXTENDED CONTROL-BREAK CHECKING STATE\n");
4575 /* ugly coding in order to stay reentrant */
4576 if (DL_reg(context))
4578 SET_DL( context, DOSCONF_GetConfig()->brk_flag );
4579 DOSCONF_GetConfig()->brk_flag = 1;
4583 SET_DL( context, DOSCONF_GetConfig()->brk_flag );
4584 DOSCONF_GetConfig()->brk_flag = 0;
4588 case 0x05: /* GET BOOT DRIVE */
4589 TRACE("GET BOOT DRIVE\n");
4590 SET_DL( context, 3 );
4591 /* c: is Wine's bootdrive (a: is 1)*/
4594 case 0x06: /* GET TRUE VERSION NUMBER */
4595 TRACE("GET TRUE VERSION NUMBER\n");
4596 SET_BL( context, HIBYTE(HIWORD(GetVersion16())) ); /* major */
4597 SET_BH( context, LOBYTE(HIWORD(GetVersion16())) ); /* minor */
4598 SET_DL( context, 0x00 ); /* revision */
4599 SET_DH( context, 0x08 ); /* DOS is in ROM */
4603 INT_BARF( context, 0x21 );
4608 case 0x34: /* GET ADDRESS OF INDOS FLAG */
4609 TRACE( "GET ADDRESS OF INDOS FLAG\n" );
4610 context->SegEs = INT21_GetHeapSelector( context );
4611 SET_BX( context, offsetof(INT21_HEAP, misc_indos) );
4614 case 0x35: /* GET INTERRUPT VECTOR */
4615 TRACE("GET INTERRUPT VECTOR 0x%02x\n",AL_reg(context));
4618 if (!ISV86(context) && DOSVM_IsWin16())
4619 addr = DOSVM_GetPMHandler16( AL_reg(context) );
4621 addr = DOSVM_GetRMHandler( AL_reg(context) );
4622 context->SegEs = SELECTOROF(addr);
4623 SET_BX( context, OFFSETOF(addr) );
4627 case 0x36: /* GET FREE DISK SPACE */
4628 TRACE("GET FREE DISK SPACE FOR DRIVE %s\n",
4629 INT21_DriveName( DL_reg(context) ));
4630 if (!INT21_GetFreeDiskSpace(context)) SET_AX( context, 0xffff );
4633 case 0x37: /* SWITCHAR */
4635 switch (AL_reg(context))
4637 case 0x00: /* "SWITCHAR" - GET SWITCH CHARACTER */
4638 TRACE( "SWITCHAR - GET SWITCH CHARACTER\n" );
4639 SET_AL( context, 0x00 ); /* success*/
4640 SET_DL( context, '/' );
4642 case 0x01: /*"SWITCHAR" - SET SWITCH CHARACTER*/
4643 FIXME( "SWITCHAR - SET SWITCH CHARACTER: %c\n",
4645 SET_AL( context, 0x00 ); /* success*/
4648 INT_BARF( context, 0x21 );
4654 case 0x38: /* GET COUNTRY-SPECIFIC INFORMATION */
4655 TRACE( "GET COUNTRY-SPECIFIC INFORMATION\n" );
4656 if (AL_reg(context))
4658 WORD country = AL_reg(context);
4659 if (country == 0xff)
4660 country = BX_reg(context);
4661 if (country != INT21_GetSystemCountryCode()) {
4662 FIXME( "Requested info on non-default country %04x\n", country );
4667 if(AX_reg(context) != 2 )
4669 INT21_FillCountryInformation( CTX_SEG_OFF_TO_LIN(context,
4672 SET_AX( context, INT21_GetSystemCountryCode() );
4673 SET_BX( context, INT21_GetSystemCountryCode() );
4674 RESET_CFLAG(context);
4678 case 0x39: /* "MKDIR" - CREATE SUBDIRECTORY */
4679 if (!INT21_CreateDirectory( context ))
4680 bSetDOSExtendedError = TRUE;
4682 RESET_CFLAG(context);
4685 case 0x3a: /* "RMDIR" - REMOVE DIRECTORY */
4687 WCHAR dirW[MAX_PATH];
4688 char *dirA = CTX_SEG_OFF_TO_LIN(context,
4689 context->SegDs, context->Edx);
4691 TRACE( "REMOVE DIRECTORY %s\n", dirA );
4693 MultiByteToWideChar(CP_OEMCP, 0, dirA, -1, dirW, MAX_PATH);
4695 if (!RemoveDirectoryW( dirW ))
4696 bSetDOSExtendedError = TRUE;
4698 RESET_CFLAG(context);
4702 case 0x3b: /* "CHDIR" - SET CURRENT DIRECTORY */
4703 if (!INT21_SetCurrentDirectory( context ))
4704 bSetDOSExtendedError = TRUE;
4706 RESET_CFLAG(context);
4709 case 0x3c: /* "CREAT" - CREATE OR TRUNCATE FILE */
4710 if (!INT21_CreateFile( context, context->Edx, FALSE,
4711 OF_READWRITE | OF_SHARE_COMPAT, 0x12 ))
4712 bSetDOSExtendedError = TRUE;
4714 RESET_CFLAG(context);
4717 case 0x3d: /* "OPEN" - OPEN EXISTING FILE */
4718 if (!INT21_CreateFile( context, context->Edx, FALSE,
4719 AL_reg(context), 0x01 ))
4720 bSetDOSExtendedError = TRUE;
4722 RESET_CFLAG(context);
4725 case 0x3e: /* "CLOSE" - CLOSE FILE */
4726 TRACE( "CLOSE handle %d\n", BX_reg(context) );
4727 if (_lclose16( BX_reg(context) ) == HFILE_ERROR16)
4728 bSetDOSExtendedError = TRUE;
4730 RESET_CFLAG(context);
4733 case 0x3f: /* "READ" - READ FROM FILE OR DEVICE */
4734 TRACE( "READ from %d to %04lX:%04X for %d bytes\n",
4741 WORD count = CX_reg(context);
4742 BYTE *buffer = CTX_SEG_OFF_TO_LIN( context,
4746 /* Some programs pass a count larger than the allocated buffer */
4747 if (DOSVM_IsWin16())
4749 DWORD maxcount = GetSelectorLimit16( context->SegDs )
4750 - DX_reg(context) + 1;
4751 if (count > maxcount)
4756 * FIXME: Reading from console (BX=1) in DOS mode
4757 * does not work as it is supposed to work.
4760 RESET_CFLAG(context); /* set if error */
4761 if (!DOSVM_IsWin16() && BX_reg(context) == 0)
4763 result = INT21_BufferedInput( context, buffer, count );
4764 SET_AX( context, (WORD)result );
4766 else if (ReadFile( DosFileHandleToWin32Handle(BX_reg(context)),
4767 buffer, count, &result, NULL ))
4768 SET_AX( context, (WORD)result );
4770 bSetDOSExtendedError = TRUE;
4774 case 0x40: /* "WRITE" - WRITE TO FILE OR DEVICE */
4775 TRACE( "WRITE from %04lX:%04X to handle %d for %d byte\n",
4776 context->SegDs, DX_reg(context),
4777 BX_reg(context), CX_reg(context) );
4779 char *ptr = CTX_SEG_OFF_TO_LIN(context, context->SegDs, context->Edx);
4781 if (!DOSVM_IsWin16() &&
4782 (BX_reg(context) == 1 || BX_reg(context) == 2))
4785 for(i=0; i<CX_reg(context); i++)
4786 DOSVM_PutChar(ptr[i]);
4787 SET_AX(context, CX_reg(context));
4788 RESET_CFLAG(context);
4792 HFILE handle = (HFILE)DosFileHandleToWin32Handle(BX_reg(context));
4793 LONG result = _hwrite( handle, ptr, CX_reg(context) );
4794 if (result == HFILE_ERROR)
4795 bSetDOSExtendedError = TRUE;
4798 SET_AX( context, (WORD)result );
4799 RESET_CFLAG(context);
4805 case 0x41: /* "UNLINK" - DELETE FILE */
4807 WCHAR fileW[MAX_PATH];
4808 char *fileA = CTX_SEG_OFF_TO_LIN(context,
4812 TRACE( "UNLINK %s\n", fileA );
4813 MultiByteToWideChar(CP_OEMCP, 0, fileA, -1, fileW, MAX_PATH);
4815 if (!DeleteFileW( fileW ))
4816 bSetDOSExtendedError = TRUE;
4818 RESET_CFLAG(context);
4822 case 0x42: /* "LSEEK" - SET CURRENT FILE POSITION */
4823 TRACE( "LSEEK handle %d offset %ld from %s\n",
4825 MAKELONG( DX_reg(context), CX_reg(context) ),
4826 (AL_reg(context) == 0) ?
4827 "start of file" : ((AL_reg(context) == 1) ?
4828 "current file position" : "end of file") );
4830 HANDLE handle = DosFileHandleToWin32Handle(BX_reg(context));
4831 LONG offset = MAKELONG( DX_reg(context), CX_reg(context) );
4832 DWORD status = SetFilePointer( handle, offset,
4833 NULL, AL_reg(context) );
4834 if (status == INVALID_SET_FILE_POINTER)
4835 bSetDOSExtendedError = TRUE;
4838 SET_AX( context, LOWORD(status) );
4839 SET_DX( context, HIWORD(status) );
4840 RESET_CFLAG(context);
4845 case 0x43: /* FILE ATTRIBUTES */
4846 if (!INT21_FileAttributes( context, AL_reg(context), FALSE ))
4847 bSetDOSExtendedError = TRUE;
4849 RESET_CFLAG(context);
4852 case 0x44: /* IOCTL */
4853 INT21_Ioctl( context );
4856 case 0x45: /* "DUP" - DUPLICATE FILE HANDLE */
4857 TRACE( "DUPLICATE FILE HANDLE %d\n", BX_reg(context) );
4860 HFILE handle16 = HFILE_ERROR;
4862 if (DuplicateHandle( GetCurrentProcess(),
4863 DosFileHandleToWin32Handle(BX_reg(context)),
4864 GetCurrentProcess(),
4866 0, TRUE, DUPLICATE_SAME_ACCESS ))
4867 handle16 = Win32HandleToDosFileHandle(handle32);
4869 if (handle16 == HFILE_ERROR)
4870 bSetDOSExtendedError = TRUE;
4873 SET_AX( context, handle16 );
4874 RESET_CFLAG(context);
4879 case 0x46: /* "DUP2", "FORCEDUP" - FORCE DUPLICATE FILE HANDLE */
4880 TRACE( "FORCEDUP - FORCE DUPLICATE FILE HANDLE %d to %d\n",
4881 BX_reg(context), CX_reg(context) );
4882 if (!INT21_Dup2(BX_reg(context), CX_reg(context)))
4883 bSetDOSExtendedError = TRUE;
4885 RESET_CFLAG(context);
4888 case 0x47: /* "CWD" - GET CURRENT DIRECTORY */
4889 if (!INT21_GetCurrentDirectory( context, FALSE ))
4890 bSetDOSExtendedError = TRUE;
4892 RESET_CFLAG(context);
4895 case 0x48: /* ALLOCATE MEMORY */
4896 TRACE( "ALLOCATE MEMORY for %d paragraphs\n", BX_reg(context) );
4899 DWORD bytes = (DWORD)BX_reg(context) << 4;
4901 if (!ISV86(context) && DOSVM_IsWin16())
4903 DWORD rv = GlobalDOSAlloc16( bytes );
4904 selector = LOWORD( rv );
4907 DOSMEM_AllocBlock( bytes, &selector );
4911 SET_AX( context, selector );
4912 RESET_CFLAG(context);
4917 SET_AX( context, 0x0008 ); /* insufficient memory */
4918 SET_BX( context, DOSMEM_Available() >> 4 );
4923 case 0x49: /* FREE MEMORY */
4924 TRACE( "FREE MEMORY segment %04lX\n", context->SegEs );
4928 if (!ISV86(context) && DOSVM_IsWin16())
4930 ok = !GlobalDOSFree16( context->SegEs );
4932 /* If we don't reset ES_reg, we will fail in the relay code */
4937 ok = DOSMEM_FreeBlock( PTR_REAL_TO_LIN(context->SegEs, 0) );
4941 TRACE("FREE MEMORY failed\n");
4943 SET_AX( context, 0x0009 ); /* memory block address invalid */
4948 case 0x4a: /* RESIZE MEMORY BLOCK */
4949 TRACE( "RESIZE MEMORY segment %04lX to %d paragraphs\n",
4950 context->SegEs, BX_reg(context) );
4952 DWORD newsize = (DWORD)BX_reg(context) << 4;
4954 if (!ISV86(context) && DOSVM_IsWin16())
4956 FIXME( "Resize memory block - unsupported under Win16\n" );
4961 LPVOID address = (void*)((DWORD)context->SegEs << 4);
4962 UINT blocksize = DOSMEM_ResizeBlock( address, newsize, FALSE );
4964 RESET_CFLAG(context);
4965 if (blocksize == (UINT)-1)
4967 SET_CFLAG( context );
4968 SET_AX( context, 0x0009 ); /* illegal address */
4970 else if(blocksize != newsize)
4972 SET_CFLAG( context );
4973 SET_AX( context, 0x0008 ); /* insufficient memory */
4974 SET_BX( context, blocksize >> 4 ); /* new block size */
4980 case 0x4b: /* "EXEC" - LOAD AND/OR EXECUTE PROGRAM */
4982 char *program = CTX_SEG_OFF_TO_LIN(context, context->SegDs, context->Edx);
4983 BYTE *paramblk = CTX_SEG_OFF_TO_LIN(context, context->SegEs, context->Ebx);
4985 TRACE( "EXEC %s\n", program );
4987 RESET_CFLAG(context);
4988 if (DOSVM_IsWin16())
4990 HINSTANCE16 instance = WinExec16( program, SW_NORMAL );
4993 SET_CFLAG( context );
4994 SET_AX( context, instance );
4999 if (!MZ_Exec( context, program, AL_reg(context), paramblk))
5000 bSetDOSExtendedError = TRUE;
5005 case 0x4c: /* "EXIT" - TERMINATE WITH RETURN CODE */
5006 TRACE( "EXIT with return code %d\n", AL_reg(context) );
5007 if (DOSVM_IsWin16())
5008 ExitThread( AL_reg(context) );
5009 else if(ISV86(context))
5010 MZ_Exit( context, FALSE, AL_reg(context) );
5016 DWORD rv = AL_reg(context);
5017 RaiseException( EXCEPTION_VM86_INTx, 0, 1, &rv );
5021 case 0x4d: /* GET RETURN CODE */
5022 TRACE("GET RETURN CODE (ERRORLEVEL)\n");
5023 SET_AX( context, DOSVM_retval );
5027 case 0x4e: /* "FINDFIRST" - FIND FIRST MATCHING FILE */
5028 TRACE("FINDFIRST mask 0x%04x spec %s\n",CX_reg(context),
5029 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, context->SegDs, context->Edx));
5030 if (!INT21_FindFirst(context)) break;
5033 case 0x4f: /* "FINDNEXT" - FIND NEXT MATCHING FILE */
5034 TRACE("FINDNEXT\n");
5035 if (!INT21_FindNext(context))
5037 SetLastError( ERROR_NO_MORE_FILES );
5038 SET_AX( context, ERROR_NO_MORE_FILES );
5041 else SET_AX( context, 0 ); /* OK */
5044 case 0x50: /* SET CURRENT PROCESS ID (SET PSP ADDRESS) */
5045 TRACE("SET CURRENT PROCESS ID (SET PSP ADDRESS)\n");
5046 DOSVM_psp = BX_reg(context);
5049 case 0x51: /* GET PSP ADDRESS */
5050 INT21_GetPSP( context );
5053 case 0x52: /* "SYSVARS" - GET LIST OF LISTS */
5055 SEGPTR ptr = DOSDEV_GetLOL( ISV86(context) || !DOSVM_IsWin16() );
5056 context->SegEs = SELECTOROF(ptr);
5057 SET_BX( context, OFFSETOF(ptr) );
5061 case 0x54: /* Get Verify Flag */
5062 TRACE("Get Verify Flag - Not Supported\n");
5063 SET_AL( context, 0x00 ); /* pretend we can tell. 00h = off 01h = on */
5066 case 0x56: /* "RENAME" - RENAME FILE */
5067 if (!INT21_RenameFile( context ))
5068 bSetDOSExtendedError = TRUE;
5070 RESET_CFLAG(context);
5073 case 0x57: /* FILE DATE AND TIME */
5074 if (!INT21_FileDateTime( context ))
5075 bSetDOSExtendedError = TRUE;
5077 RESET_CFLAG(context);
5080 case 0x58: /* GET OR SET MEMORY ALLOCATION STRATEGY */
5081 switch (AL_reg(context))
5083 case 0x00: /* GET MEMORY ALLOCATION STRATEGY */
5084 TRACE( "GET MEMORY ALLOCATION STRATEGY\n" );
5085 SET_AX( context, 0 ); /* low memory first fit */
5088 case 0x01: /* SET ALLOCATION STRATEGY */
5089 TRACE( "SET MEMORY ALLOCATION STRATEGY to %d - ignored\n",
5093 case 0x02: /* GET UMB LINK STATE */
5094 TRACE( "GET UMB LINK STATE\n" );
5095 SET_AL( context, 0 ); /* UMBs not part of DOS memory chain */
5098 case 0x03: /* SET UMB LINK STATE */
5099 TRACE( "SET UMB LINK STATE to %d - ignored\n",
5104 INT_BARF( context, 0x21 );
5108 case 0x59: /* GET EXTENDED ERROR INFO */
5109 INT21_GetExtendedError( context );
5112 case 0x5a: /* CREATE TEMPORARY FILE */
5113 TRACE("CREATE TEMPORARY FILE\n");
5114 bSetDOSExtendedError = !INT21_CreateTempFile(context);
5117 case 0x5b: /* CREATE NEW FILE */
5118 if (!INT21_CreateFile( context, context->Edx, FALSE,
5119 OF_READWRITE | OF_SHARE_COMPAT, 0x10 ))
5120 bSetDOSExtendedError = TRUE;
5122 RESET_CFLAG(context);
5125 case 0x5c: /* "FLOCK" - RECORD LOCKING */
5127 DWORD offset = MAKELONG(DX_reg(context), CX_reg(context));
5128 DWORD length = MAKELONG(DI_reg(context), SI_reg(context));
5129 HANDLE handle = DosFileHandleToWin32Handle(BX_reg(context));
5131 RESET_CFLAG(context);
5132 switch (AL_reg(context))
5134 case 0x00: /* LOCK */
5135 TRACE( "lock handle %d offset %ld length %ld\n",
5136 BX_reg(context), offset, length );
5137 if (!LockFile( handle, offset, 0, length, 0 ))
5138 bSetDOSExtendedError = TRUE;
5141 case 0x01: /* UNLOCK */
5142 TRACE( "unlock handle %d offset %ld length %ld\n",
5143 BX_reg(context), offset, length );
5144 if (!UnlockFile( handle, offset, 0, length, 0 ))
5145 bSetDOSExtendedError = TRUE;
5149 INT_BARF( context, 0x21 );
5154 case 0x5d: /* NETWORK 5D */
5155 FIXME( "Network function 5D not implemented.\n" );
5156 SetLastError( ER_NoNetwork );
5157 bSetDOSExtendedError = TRUE;
5160 case 0x5e: /* NETWORK 5E */
5161 bSetDOSExtendedError = INT21_NetworkFunc( context);
5164 case 0x5f: /* NETWORK 5F */
5165 /* FIXME: supporting this would need to 1:
5166 * - implement per drive current directory (as kernel32 doesn't)
5167 * - assign enabled/disabled flag on a per drive basis
5169 /* network software not installed */
5170 TRACE("NETWORK function AX=%04x not implemented\n",AX_reg(context));
5171 SetLastError( ER_NoNetwork );
5172 bSetDOSExtendedError = TRUE;
5175 case 0x60: /* "TRUENAME" - CANONICALIZE FILENAME OR PATH */
5177 WCHAR pathW[MAX_PATH], res[MAX_PATH];
5178 /* FIXME: likely to be broken */
5180 TRACE("TRUENAME %s\n",
5181 (LPCSTR)CTX_SEG_OFF_TO_LIN(context, context->SegDs,context->Esi));
5182 MultiByteToWideChar(CP_OEMCP, 0, CTX_SEG_OFF_TO_LIN(context, context->SegDs, context->Esi), -1, pathW, MAX_PATH);
5183 if (!GetFullPathNameW( pathW, 128, res, NULL ))
5184 bSetDOSExtendedError = TRUE;
5187 SET_AX( context, 0 );
5188 WideCharToMultiByte(CP_OEMCP, 0, res, -1,
5189 CTX_SEG_OFF_TO_LIN(context, context->SegEs, context->Edi),
5195 case 0x61: /* UNUSED */
5196 SET_AL( context, 0 );
5199 case 0x62: /* GET PSP ADDRESS */
5200 INT21_GetPSP( context );
5203 case 0x63: /* MISC. LANGUAGE SUPPORT */
5204 switch (AL_reg(context)) {
5205 case 0x00: /* GET DOUBLE BYTE CHARACTER SET LEAD-BYTE TABLE */
5206 TRACE( "GET DOUBLE BYTE CHARACTER SET LEAD-BYTE TABLE\n" );
5207 context->SegDs = INT21_GetHeapSelector( context );
5208 SET_SI( context, offsetof(INT21_HEAP, dbcs_table) );
5209 SET_AL( context, 0 ); /* success */
5214 case 0x64: /* OS/2 DOS BOX */
5215 INT_BARF( context, 0x21 );
5219 case 0x65: /* EXTENDED COUNTRY INFORMATION */
5220 INT21_ExtendedCountryInformation( context );
5223 case 0x66: /* GLOBAL CODE PAGE TABLE */
5224 switch (AL_reg(context))
5227 TRACE( "GET GLOBAL CODE PAGE TABLE\n" );
5228 SET_BX( context, GetOEMCP() );
5229 SET_DX( context, GetOEMCP() );
5232 FIXME( "SET GLOBAL CODE PAGE TABLE, active %d, system %d - ignored\n",
5233 BX_reg(context), DX_reg(context) );
5238 case 0x67: /* SET HANDLE COUNT */
5239 TRACE( "SET HANDLE COUNT to %d\n", BX_reg(context) );
5240 if (SetHandleCount( BX_reg(context) ) < BX_reg(context) )
5241 bSetDOSExtendedError = TRUE;
5244 case 0x68: /* "FFLUSH" - COMMIT FILE */
5245 TRACE( "FFLUSH - handle %d\n", BX_reg(context) );
5246 if (!FlushFileBuffers( DosFileHandleToWin32Handle(BX_reg(context)) ))
5247 bSetDOSExtendedError = TRUE;
5250 case 0x69: /* DISK SERIAL NUMBER */
5251 switch (AL_reg(context))
5254 TRACE("GET DISK SERIAL NUMBER for drive %s\n",
5255 INT21_DriveName(BL_reg(context)));
5256 if (!INT21_GetDiskSerialNumber(context)) bSetDOSExtendedError = TRUE;
5257 else SET_AX( context, 0 );
5261 TRACE("SET DISK SERIAL NUMBER for drive %s\n",
5262 INT21_DriveName(BL_reg(context)));
5263 if (!INT21_SetDiskSerialNumber(context)) bSetDOSExtendedError = TRUE;
5264 else SET_AX( context, 1 );
5269 case 0x6a: /* COMMIT FILE */
5270 TRACE( "COMMIT FILE - handle %d\n", BX_reg(context) );
5271 if (!FlushFileBuffers( DosFileHandleToWin32Handle(BX_reg(context)) ))
5272 bSetDOSExtendedError = TRUE;
5275 case 0x6b: /* NULL FUNCTION FOR CP/M COMPATIBILITY */
5276 SET_AL( context, 0 );
5279 case 0x6c: /* EXTENDED OPEN/CREATE */
5280 if (!INT21_CreateFile( context, context->Esi, TRUE,
5281 BX_reg(context), DL_reg(context) ))
5282 bSetDOSExtendedError = TRUE;
5285 case 0x70: /* MSDOS 7 - GET/SET INTERNATIONALIZATION INFORMATION */
5286 FIXME( "MS-DOS 7 - GET/SET INTERNATIONALIZATION INFORMATION\n" );
5287 SET_CFLAG( context );
5288 SET_AL( context, 0 );
5291 case 0x71: /* MSDOS 7 - LONG FILENAME FUNCTIONS */
5292 INT21_LongFilename( context );
5295 case 0x73: /* MSDOS7 - FAT32 */
5296 RESET_CFLAG( context );
5297 if (!INT21_Fat32( context ))
5298 bSetDOSExtendedError = TRUE;
5301 case 0xdc: /* CONNECTION SERVICES - GET CONNECTION NUMBER */
5302 TRACE( "CONNECTION SERVICES - GET CONNECTION NUMBER - ignored\n" );
5305 case 0xea: /* NOVELL NETWARE - RETURN SHELL VERSION */
5306 TRACE( "NOVELL NETWARE - RETURN SHELL VERSION - ignored\n" );
5309 case 0xff: /* DOS32 EXTENDER (DOS/4GW) - API */
5310 /* we don't implement a DOS32 extender */
5311 TRACE( "DOS32 EXTENDER API - ignored\n" );
5315 INT_BARF( context, 0x21 );
5318 } /* END OF SWITCH */
5320 /* Set general error condition. */
5321 if (bSetDOSExtendedError)
5323 SET_AX( context, GetLastError() );
5324 SET_CFLAG( context );
5327 /* Print error code if carry flag is set. */
5328 if (context->EFlags & 0x0001)
5329 TRACE("failed, error %ld\n", GetLastError() );
5331 TRACE( "returning: AX=%04x BX=%04x CX=%04x DX=%04x "
5332 "SI=%04x DI=%04x DS=%04x ES=%04x EFL=%08lx\n",
5333 AX_reg(context), BX_reg(context),
5334 CX_reg(context), DX_reg(context),
5335 SI_reg(context), DI_reg(context),
5336 (WORD)context->SegDs, (WORD)context->SegEs,