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Added YUV routines needed for v4l driver, and in the future possibly
[wine/gsoc-2012-control.git] / dlls / winedos / int21.c
blobf08b1bc78284a6fe17de8bae79cd8ccaa421b9b8
1 /*
2 * DOS interrupt 21h handler
3 *
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
10 *
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.
15 *
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.
20 *
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
24 */
25
26 #include "config.h"
27 #include "wine/port.h"
28
29 #include <stdarg.h>
30 #include <stdio.h>
31 #ifdef HAVE_SYS_STAT_H
32 # include <sys/stat.h>
33 #endif
34 #ifdef HAVE_UNISTD_H
35 # include <unistd.h>
36 #endif
37
38 #include "windef.h"
39 #include "winbase.h"
40 #include "winreg.h"
41 #include "winternl.h"
42 #include "wine/winbase16.h"
43 #include "dosexe.h"
44 #include "winerror.h"
45 #include "winuser.h"
46 #include "wine/unicode.h"
47 #include "wine/server.h"
48 #include "wine/debug.h"
49 #include "wine/exception.h"
50
51 BOOL WINAPI VerifyConsoleIoHandle(HANDLE);
52 /*
53 * Note:
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
60 * the LOL)
61 */
62
63 /*
64 * Forward declarations.
65 */
66 static BOOL INT21_RenameFile( CONTEXT86 *context );
67
68 WINE_DEFAULT_DEBUG_CHANNEL(int21);
69
70
71 #include "pshpack1.h"
72
73 /*
74 * Extended Drive Parameter Block.
75 * This structure is compatible with standard DOS4+ DPB and
76 * extended DOS7 DPB.
77 */
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 */
106 } INT21_DPB;
107
108
109 /*
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.
113 */
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. */
117
118 WORD lowercase_size; /* Size of the following table in bytes */
119 BYTE lowercase_table[256]; /* Lowercase equivalents of chars from 0x00 to 0xff. */
120
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. */
123
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 */
134
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 */
137
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 */
142
143 } INT21_HEAP;
144
145
146 struct FCB {
147 BYTE drive_number;
148 CHAR file_name[8];
149 CHAR file_extension[3];
150 WORD current_block_number;
151 WORD logical_record_size;
152 DWORD file_size;
153 WORD date_of_last_write;
154 WORD time_of_last_write;
155 BYTE file_number;
156 BYTE attributes;
157 WORD starting_cluster;
158 WORD sequence_number;
159 BYTE file_attributes;
160 BYTE unused;
161 BYTE record_within_current_block;
162 BYTE random_access_record_number[4];
163 };
164
165
166 struct XFCB {
167 BYTE xfcb_signature;
168 BYTE reserved[5];
169 BYTE xfcb_file_attribute;
170 BYTE fcb[37];
171 };
172
173 /* DTA layout for FindFirst/FindNext */
174 typedef struct
175 {
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 */
187 } FINDFILE_DTA;
188
189 /* FCB layout for FindFirstFCB/FindNextFCB */
190 typedef struct
191 {
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) */
196 } FINDFILE_FCB;
197
198 /* DOS directory entry for FindFirstFCB/FindNextFCB */
199 typedef struct
200 {
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;
209
210 #include "poppack.h"
211
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 */
221
222 /* Error codes */
223 #define ER_NoNetwork 0x49
224
225 /* Error classes */
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
237
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
244
245 /* Error locus */
246 #define EL_Unknown 0x01
247 #define EL_Disk 0x02
248 #define EL_Network 0x03
249 #define EL_Serial 0x04
250 #define EL_Memory 0x05
251
252 /* BIOS Keyboard Scancodes */
253 #define KEY_LEFT 0x4B
254 #define KEY_RIGHT 0x4D
255 #define KEY_UP 0x48
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
261 #define KEY_END 0x4F
262 #define KEY_NPAGE 0x49
263 #define KEY_PPAGE 0x51
264
265
266 struct magic_device
267 {
268 WCHAR name[10];
269 HANDLE handle;
270 dev_t dev;
271 ino_t ino;
272 void (*ioctl_handler)(CONTEXT86 *);
273 };
274
275 static void INT21_IoctlScsiMgrHandler( CONTEXT86 * );
276 static void INT21_IoctlEMSHandler( CONTEXT86 * );
277 static void INT21_IoctlHPScanHandler( CONTEXT86 * );
278
279 static struct magic_device magic_devices[] =
280 {
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 },
284 };
285
286 #define NB_MAGIC_DEVICES (sizeof(magic_devices)/sizeof(magic_devices[0]))
287
288
289 /* Many calls translate a drive argument like this:
290 drive number (00h = default, 01h = A:, etc)
291 */
292 /******************************************************************
293 * INT21_DriveName
294 *
295 * Many calls translate a drive argument like this:
296 * drive number (00h = default, 01h = A:, etc)
297 */
298 static const char *INT21_DriveName(int drive)
299 {
300 if (drive > 0)
301 {
302 if (drive <= 26) return wine_dbg_sprintf("%c:", 'A' + drive - 1);
303 else return wine_dbg_sprintf( "<Bad drive: %d>", drive);
304 }
305 return "default";
306 }
307
308 /***********************************************************************
309 * INT21_GetCurrentDrive
310 *
311 * Return current drive using scheme (0=A:, 1=B:, 2=C:, ...) or
312 * MAX_DOS_DRIVES on error.
313 */
314 static BYTE INT21_GetCurrentDrive(void)
315 {
316 WCHAR current_directory[MAX_PATH];
317
318 if (!GetCurrentDirectoryW( MAX_PATH, current_directory ) ||
319 current_directory[1] != ':')
320 {
321 TRACE( "Failed to get current drive.\n" );
322 return MAX_DOS_DRIVES;
323 }
324
325 return toupperW( current_directory[0] ) - 'A';
326 }
327
328
329 /***********************************************************************
330 * INT21_MapDrive
331 *
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.
334 */
335 static BYTE INT21_MapDrive( BYTE drive )
336 {
337 if (drive)
338 {
339 WCHAR drivespec[3] = {'A', ':', 0};
340 UINT drivetype;
341
342 drivespec[0] += drive - 1;
343 drivetype = GetDriveTypeW( drivespec );
344
345 if (drivetype == DRIVE_UNKNOWN || drivetype == DRIVE_NO_ROOT_DIR)
346 return MAX_DOS_DRIVES;
347
348 return drive - 1;
349 }
350
351 return INT21_GetCurrentDrive();
352 }
353
354
355 /***********************************************************************
356 * INT21_SetCurrentDrive
357 *
358 * Set current drive. Uses scheme (0=A:, 1=B:, 2=C:, ...).
359 */
360 static void INT21_SetCurrentDrive( BYTE drive )
361 {
362 WCHAR drivespec[3] = {'A', ':', 0};
363
364 drivespec[0] += drive;
365
366 if (!SetCurrentDirectoryW( drivespec ))
367 TRACE( "Failed to set current drive.\n" );
368 }
369
370
371 /***********************************************************************
372 * INT21_ReadChar
373 *
374 * Reads a character from the standard input.
375 * Extended keycodes will be returned as two separate characters.
376 */
377 static BOOL INT21_ReadChar( BYTE *input, CONTEXT86 *waitctx )
378 {
379 static BYTE pending_scan = 0;
380
381 if (pending_scan)
382 {
383 if (input)
384 *input = pending_scan;
385 if (waitctx)
386 pending_scan = 0;
387 return TRUE;
388 }
389 else
390 {
391 BYTE ascii;
392 BYTE scan;
393 if (!DOSVM_Int16ReadChar( &ascii, &scan, waitctx ))
394 return FALSE;
395
396 if (input)
397 *input = ascii;
398 if (waitctx && !ascii)
399 pending_scan = scan;
400 return TRUE;
401 }
402 }
403
404
405 /***********************************************************************
406 * INT21_GetSystemCountryCode
407 *
408 * Return DOS country code for default system locale.
409 */
410 static WORD INT21_GetSystemCountryCode( void )
411 {
412 /*
413 * FIXME: Determine country code. We should probably use
414 * DOSCONF structure for that.
415 */
416 return GetSystemDefaultLangID();
417 }
418
419
420 /***********************************************************************
421 * INT21_FillCountryInformation
422 *
423 * Fill 34-byte buffer with country information data using
424 * default system locale.
425 */
426 static void INT21_FillCountryInformation( BYTE *buffer )
427 {
428 /* 00 - WORD: date format
429 * 00 = mm/dd/yy
430 * 01 = dd/mm/yy
431 * 02 = yy/mm/dd
432 */
433 *(WORD*)(buffer + 0) = 0; /* FIXME: Get from locale */
434
435 /* 02 - BYTE[5]: ASCIIZ currency symbol string */
436 buffer[2] = '$'; /* FIXME: Get from locale */
437 buffer[3] = 0;
438
439 /* 07 - BYTE[2]: ASCIIZ thousands separator */
440 buffer[7] = 0; /* FIXME: Get from locale */
441 buffer[8] = 0;
442
443 /* 09 - BYTE[2]: ASCIIZ decimal separator */
444 buffer[9] = '.'; /* FIXME: Get from locale */
445 buffer[10] = 0;
446
447 /* 11 - BYTE[2]: ASCIIZ date separator */
448 buffer[11] = '/'; /* FIXME: Get from locale */
449 buffer[12] = 0;
450
451 /* 13 - BYTE[2]: ASCIIZ time separator */
452 buffer[13] = ':'; /* FIXME: Get from locale */
453 buffer[14] = 0;
454
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
460 */
461 buffer[15] = 0; /* FIXME: Get from locale */
462
463 /* 16 - BYTE: Number of digits after decimal in currency */
464 buffer[16] = 0; /* FIXME: Get from locale */
465
466 /* 17 - BYTE: Time format
467 * bit 0 = 0 if 12-hour clock
468 * 1 if 24-hour clock
469 */
470 buffer[17] = 1; /* FIXME: Get from locale */
471
472 /* 18 - DWORD: Address of case map routine */
473 *(DWORD*)(buffer + 18) = 0; /* FIXME: ptr to case map routine */
474
475 /* 22 - BYTE[2]: ASCIIZ data-list separator */
476 buffer[22] = ','; /* FIXME: Get from locale */
477 buffer[23] = 0;
478
479 /* 24 - BYTE[10]: Reserved */
480 memset( buffer + 24, 0, 10 );
481 }
482
483
484 /***********************************************************************
485 * INT21_FillHeap
486 *
487 * Initialize DOS heap.
488 *
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 :|<>+=;,
492 */
493 static void INT21_FillHeap( INT21_HEAP *heap )
494 {
495 static const char terminators[] = ".\"/\\[]:|<>+=;,";
496 int i;
497
498 /*
499 * Uppercase table.
500 */
501 heap->uppercase_size = 128;
502 for (i = 0; i < 128; i++)
503 heap->uppercase_table[i] = toupper( 128 + i );
504
505 /*
506 * Lowercase table.
507 */
508 heap->lowercase_size = 256;
509 for (i = 0; i < 256; i++)
510 heap->lowercase_table[i] = tolower( i );
511
512 /*
513 * Collating table.
514 */
515 heap->collating_size = 256;
516 for (i = 0; i < 256; i++)
517 heap->collating_table[i] = i;
518
519 /*
520 * Filename table.
521 */
522 heap->filename_size = 8 + strlen(terminators);
523 heap->filename_illegal_size = strlen(terminators);
524 strcpy( heap->filename_illegal_table, terminators );
525
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;
533
534 /*
535 * DBCS lead byte table. This table is empty.
536 */
537 heap->dbcs_size = 0;
538 memset( heap->dbcs_table, 0, sizeof(heap->dbcs_table) );
539
540 /*
541 * Initialize InDos flag.
542 */
543 heap->misc_indos = 0;
544
545 /*
546 * FIXME: Should drive parameter blocks (DPB) be
547 * initialized here and linked to DOS LOL?
548 */
549 }
550
551
552 /***********************************************************************
553 * INT21_GetHeapPointer
554 *
555 * Get pointer for DOS heap (INT21_HEAP).
556 * Creates and initializes heap on first call.
557 */
558 static INT21_HEAP *INT21_GetHeapPointer( void )
559 {
560 static INT21_HEAP *heap_pointer = NULL;
561
562 if (!heap_pointer)
563 {
564 WORD heap_segment;
565 WORD heap_selector;
566
567 heap_pointer = DOSVM_AllocDataUMB( sizeof(INT21_HEAP),
568 &heap_segment,
569 &heap_selector );
570
571 heap_pointer->misc_segment = heap_segment;
572 heap_pointer->misc_selector = heap_selector;
573 INT21_FillHeap( heap_pointer );
574 }
575
576 return heap_pointer;
577 }
578
579
580 /***********************************************************************
581 * INT21_GetHeapSelector
582 *
583 * Get segment/selector for DOS heap (INT21_HEAP).
584 * Creates and initializes heap on first call.
585 */
586 static WORD INT21_GetHeapSelector( CONTEXT86 *context )
587 {
588 INT21_HEAP *heap = INT21_GetHeapPointer();
589
590 if (!ISV86(context) && DOSVM_IsWin16())
591 return heap->misc_selector;
592 else
593 return heap->misc_segment;
594 }
595
596
597 /***********************************************************************
598 * INT21_FillDrivePB
599 *
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.
603 */
604 static BOOL INT21_FillDrivePB( BYTE drive )
605 {
606 WCHAR drivespec[3] = {'A', ':', 0};
607 INT21_HEAP *heap = INT21_GetHeapPointer();
608 INT21_DPB *dpb;
609 UINT drivetype;
610 DWORD cluster_sectors;
611 DWORD sector_bytes;
612 DWORD free_clusters;
613 DWORD total_clusters;
614
615 if (drive >= MAX_DOS_DRIVES)
616 return FALSE;
617
618 dpb = &heap->misc_dpb_list[drive];
619 drivespec[0] += drive;
620 drivetype = GetDriveTypeW( drivespec );
621
622 /*
623 * FIXME: Does this check work correctly with floppy/cdrom drives?
624 */
625 if (drivetype == DRIVE_NO_ROOT_DIR || drivetype == DRIVE_UNKNOWN)
626 return FALSE;
627
628 /*
629 * FIXME: Does this check work correctly with floppy/cdrom drives?
630 */
631 if (!GetDiskFreeSpaceW( drivespec, &cluster_sectors, &sector_bytes,
632 &free_clusters, &total_clusters ))
633 return FALSE;
634
635 /*
636 * FIXME: Most of the values listed below are incorrect.
637 * All values should be validated.
638 */
639
640 dpb->drive = drive;
641 dpb->unit = 0;
642 dpb->sector_bytes = sector_bytes;
643 dpb->cluster_sectors = cluster_sectors - 1;
644
645 dpb->shift = 0;
646 while (cluster_sectors > 1)
647 {
648 cluster_sectors /= 2;
649 dpb->shift++;
650 }
651
652 dpb->num_reserved = 0;
653 dpb->num_FAT = 1;
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;
662 dpb->next = 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;
674
675 return TRUE;
676 }
677
678
679 /***********************************************************************
680 * INT21_GetCurrentDirectory
681 *
682 * Handler for:
683 * - function 0x47
684 * - subfunction 0x47 of function 0x71
685 */
686 static BOOL INT21_GetCurrentDirectory( CONTEXT86 *context, BOOL islong )
687 {
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];
692 WCHAR *ptr = pathW;
693
694 TRACE( "drive %d\n", DL_reg(context) );
695
696 if (drive == MAX_DOS_DRIVES)
697 {
698 SetLastError(ERROR_INVALID_DRIVE);
699 return FALSE;
700 }
701
702 /*
703 * Grab current directory.
704 */
705
706 if (!GetCurrentDirectoryW( MAX_PATH, pathW )) return FALSE;
707
708 if (toupperW(pathW[0]) - 'A' != drive || pathW[1] != ':')
709 {
710 /* cwd is not on the requested drive, get the environment string instead */
711
712 WCHAR env_var[4];
713
714 env_var[0] = '=';
715 env_var[1] = 'A' + drive;
716 env_var[2] = ':';
717 env_var[3] = 0;
718 if (!GetEnvironmentVariableW( env_var, pathW, MAX_PATH ))
719 {
720 /* return empty path */
721 buffer[0] = 0;
722 return TRUE;
723 }
724 }
725
726 /*
727 * Convert into short format.
728 */
729
730 if (!islong)
731 {
732 DWORD result = GetShortPathNameW( pathW, pathW, MAX_PATH );
733 if (!result)
734 return FALSE;
735 if (result > MAX_PATH)
736 {
737 WARN( "Short path too long!\n" );
738 SetLastError(ERROR_NETWORK_BUSY); /* Internal Wine error. */
739 return FALSE;
740 }
741 }
742
743 /*
744 * The returned pathname does not include
745 * the drive letter, colon or leading backslash.
746 */
747
748 if (ptr[0] == '\\')
749 {
750 /*
751 * FIXME: We should probably just strip host part from name...
752 */
753 FIXME( "UNC names are not supported.\n" );
754 SetLastError(ERROR_NETWORK_BUSY); /* Internal Wine error. */
755 return FALSE;
756 }
757 else if (!ptr[0] || ptr[1] != ':' || ptr[2] != '\\')
758 {
759 WARN( "Path is neither UNC nor DOS path: %s\n",
760 wine_dbgstr_w(ptr) );
761 SetLastError(ERROR_NETWORK_BUSY); /* Internal Wine error. */
762 return FALSE;
763 }
764 else
765 {
766 /* Remove drive letter, colon and leading backslash. */
767 ptr += 3;
768 }
769
770 /*
771 * Convert into OEM string.
772 */
773
774 if (!WideCharToMultiByte(CP_OEMCP, 0, ptr, -1, pathA,
775 MAX_PATH, NULL, NULL))
776 {
777 WARN( "Cannot convert path!\n" );
778 SetLastError(ERROR_NETWORK_BUSY); /* Internal Wine error. */
779 return FALSE;
780 }
781
782 /*
783 * Success.
784 */
785
786 if (!islong)
787 {
788 /* Undocumented success code. */
789 SET_AX( context, 0x0100 );
790
791 /* Truncate buffer to 64 bytes. */
792 pathA[63] = 0;
793 }
794
795 TRACE( "%c:=%s\n", 'A' + drive, pathA );
796
797 strcpy( buffer, pathA );
798 return TRUE;
799 }
800
801
802 /***********************************************************************
803 * INT21_SetCurrentDirectory
804 *
805 * Handler for:
806 * - function 0x3b
807 * - subfunction 0x3b of function 0x71
808 */
809 static BOOL INT21_SetCurrentDirectory( CONTEXT86 *context )
810 {
811 WCHAR dirW[MAX_PATH];
812 WCHAR env_var[4];
813 DWORD attr;
814 char *dirA = CTX_SEG_OFF_TO_LIN(context, context->SegDs, context->Edx);
815 BYTE drive = INT21_GetCurrentDrive();
816 BOOL result;
817
818 TRACE( "SET CURRENT DIRECTORY %s\n", dirA );
819
820 MultiByteToWideChar(CP_OEMCP, 0, dirA, -1, dirW, MAX_PATH);
821 if (!GetFullPathNameW( dirW, MAX_PATH, dirW, NULL )) return FALSE;
822
823 attr = GetFileAttributesW( dirW );
824 if (attr == INVALID_FILE_ATTRIBUTES || !(attr & FILE_ATTRIBUTE_DIRECTORY))
825 {
826 SetLastError( ERROR_PATH_NOT_FOUND );
827 return FALSE;
828 }
829
830 env_var[0] = '=';
831 env_var[1] = dirW[0];
832 env_var[2] = ':';
833 env_var[3] = 0;
834 result = SetEnvironmentVariableW( env_var, dirW );
835
836 /* only set current directory if on the current drive */
837 if (result && (toupperW(dirW[0]) - 'A' == drive)) result = SetCurrentDirectoryW( dirW );
838
839 return result;
840 }
841
842 /***********************************************************************
843 * INT21_CreateMagicDeviceHandle
844 *
845 * Create a dummy file handle for a "magic" device.
846 */
847 static HANDLE INT21_CreateMagicDeviceHandle( LPCWSTR name )
848 {
849 const char *dir = wine_get_server_dir();
850 int len;
851 HANDLE ret;
852 NTSTATUS status;
853 OBJECT_ATTRIBUTES attr;
854 UNICODE_STRING nameW;
855 IO_STATUS_BLOCK io;
856
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 )))
861 {
862 SetLastError( ERROR_NOT_ENOUGH_MEMORY );
863 return 0;
864 }
865 MultiByteToWideChar( CP_UNIXCP, 0, dir, -1, nameW.Buffer, len );
866 nameW.Buffer[len-1] = '/';
867 strcpyW( nameW.Buffer + len, name );
868
869 attr.Length = sizeof(attr);
870 attr.RootDirectory = 0;
871 attr.Attributes = 0;
872 attr.ObjectName = &nameW;
873 attr.SecurityDescriptor = NULL;
874 attr.SecurityQualityOfService = NULL;
875
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 );
879 if (status)
880 {
881 ret = 0;
882 SetLastError( RtlNtStatusToDosError(status) );
883 }
884 RtlFreeUnicodeString( &nameW );
885 return ret;
886 }
887
888
889 /***********************************************************************
890 * INT21_OpenMagicDevice
891 *
892 * Open a file handle for "magic" devices like EMMXXXX0.
893 */
894 static HANDLE INT21_OpenMagicDevice( LPCWSTR name, DWORD access )
895 {
896 unsigned int i;
897 const WCHAR *p;
898 HANDLE handle;
899
900 if (name[0] && (name[1] == ':')) name += 2;
901 if ((p = strrchrW( name, '/' ))) name = p + 1;
902 if ((p = strrchrW( name, '\\' ))) name = p + 1;
903
904 for (i = 0; i < NB_MAGIC_DEVICES; i++)
905 {
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;
909 }
910 if (i == NB_MAGIC_DEVICES) return 0;
911
912 if (!magic_devices[i].handle) /* need to open it */
913 {
914 int fd;
915 struct stat st;
916
917 if (!(handle = INT21_CreateMagicDeviceHandle( magic_devices[i].name ))) return 0;
918 wine_server_handle_to_fd( handle, 0, &fd, NULL );
919 fstat( fd, &st );
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;
924 }
925 if (!DuplicateHandle( GetCurrentProcess(), magic_devices[i].handle,
926 GetCurrentProcess(), &handle, access, FALSE, 0 )) handle = 0;
927 return handle;
928 }
929
930
931 /***********************************************************************
932 * INT21_CreateFile
933 *
934 * Handler for:
935 * - function 0x3c
936 * - function 0x3d
937 * - function 0x5b
938 * - function 0x6c
939 * - subfunction 0x6c of function 0x71
940 */
941 static BOOL INT21_CreateFile( CONTEXT86 *context,
942 DWORD pathSegOff,
943 BOOL returnStatus,
944 WORD dosAccessShare,
945 BYTE dosAction )
946 {
947 WORD dosStatus;
948 char *pathA = CTX_SEG_OFF_TO_LIN(context, context->SegDs, pathSegOff);
949 WCHAR pathW[MAX_PATH];
950 DWORD winAccess;
951 DWORD winAttributes;
952 HANDLE winHandle;
953 DWORD winMode;
954 DWORD winSharing;
955
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 );
959
960 /*
961 * Application tried to create/open a file whose name
962 * ends with a backslash. This is not allowed.
963 *
964 * FIXME: This needs to be validated, especially the return value.
965 */
966 if (pathA[strlen(pathA) - 1] == '/')
967 {
968 SetLastError( ERROR_FILE_NOT_FOUND );
969 return FALSE;
970 }
971
972 /*
973 * Convert DOS action flags into Win32 creation disposition parameter.
974 */
975 switch(dosAction)
976 {
977 case 0x01:
978 winMode = OPEN_EXISTING;
979 break;
980 case 0x02:
981 winMode = TRUNCATE_EXISTING;
982 break;
983 case 0x10:
984 winMode = CREATE_NEW;
985 break;
986 case 0x11:
987 winMode = OPEN_ALWAYS;
988 break;
989 case 0x12:
990 winMode = CREATE_ALWAYS;
991 break;
992 default:
993 SetLastError( ERROR_INVALID_PARAMETER );
994 return FALSE;
995 }
996
997 /*
998 * Convert DOS access/share flags into Win32 desired access parameter.
999 */
1000 switch(dosAccessShare & 0x07)
1001 {
1002 case OF_READ:
1003 winAccess = GENERIC_READ;
1004 break;
1005 case OF_WRITE:
1006 winAccess = GENERIC_WRITE;
1007 break;
1008 case OF_READWRITE:
1009 winAccess = GENERIC_READ | GENERIC_WRITE;
1010 break;
1011 case 0x04:
1012 /*
1013 * Read-only, do not modify file's last-access time (DOS7).
1014 *
1015 * FIXME: How to prevent modification of last-access time?
1016 */
1017 winAccess = GENERIC_READ;
1018 break;
1019 default:
1020 winAccess = 0;
1021 }
1022
1023 /*
1024 * Convert DOS access/share flags into Win32 share mode parameter.
1025 */
1026 switch(dosAccessShare & 0x70)
1027 {
1028 case OF_SHARE_EXCLUSIVE:
1029 winSharing = 0;
1030 break;
1031 case OF_SHARE_DENY_WRITE:
1032 winSharing = FILE_SHARE_READ;
1033 break;
1034 case OF_SHARE_DENY_READ:
1035 winSharing = FILE_SHARE_WRITE;
1036 break;
1037 case OF_SHARE_DENY_NONE:
1038 case OF_SHARE_COMPAT:
1039 default:
1040 winSharing = FILE_SHARE_READ | FILE_SHARE_WRITE;
1041 }
1042
1043 /*
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.
1049 */
1050
1051 /*
1052 * Convert DOS create attributes into Win32 flags and attributes parameter.
1053 */
1054 if (winMode == OPEN_EXISTING || winMode == TRUNCATE_EXISTING)
1055 {
1056 winAttributes = 0;
1057 }
1058 else
1059 {
1060 WORD dosAttributes = CX_reg(context);
1061
1062 if (dosAttributes & FA_LABEL)
1063 {
1064 /*
1065 * Application tried to create volume label entry.
1066 * This is difficult to support so we do not allow it.
1067 *
1068 * FIXME: If volume does not already have a label,
1069 * this function is supposed to succeed.
1070 */
1071 SetLastError( ERROR_ACCESS_DENIED );
1072 return TRUE;
1073 }
1074
1075 winAttributes = dosAttributes &
1076 (FILE_ATTRIBUTE_READONLY | FILE_ATTRIBUTE_HIDDEN |
1077 FILE_ATTRIBUTE_SYSTEM | FILE_ATTRIBUTE_ARCHIVE);
1078 }
1079
1080 /*
1081 * Open the file.
1082 */
1083 MultiByteToWideChar(CP_OEMCP, 0, pathA, -1, pathW, MAX_PATH);
1084
1085 if ((winHandle = INT21_OpenMagicDevice( pathW, winAccess )))
1086 {
1087 dosStatus = 1;
1088 }
1089 else
1090 {
1091 winHandle = CreateFileW( pathW, winAccess, winSharing, NULL,
1092 winMode, winAttributes, 0 );
1093
1094 if (winHandle == INVALID_HANDLE_VALUE)
1095 return FALSE;
1096
1097 /*
1098 * Determine DOS file status.
1099 *
1100 * 1 = file opened
1101 * 2 = file created
1102 * 3 = file replaced
1103 */
1104 switch(winMode)
1105 {
1106 case OPEN_EXISTING:
1107 dosStatus = 1;
1108 break;
1109 case TRUNCATE_EXISTING:
1110 dosStatus = 3;
1111 break;
1112 case CREATE_NEW:
1113 dosStatus = 2;
1114 break;
1115 case OPEN_ALWAYS:
1116 dosStatus = (GetLastError() == ERROR_ALREADY_EXISTS) ? 1 : 2;
1117 break;
1118 case CREATE_ALWAYS:
1119 dosStatus = (GetLastError() == ERROR_ALREADY_EXISTS) ? 3 : 2;
1120 break;
1121 default:
1122 dosStatus = 0;
1123 }
1124 }
1125
1126 /*
1127 * Return DOS file handle and DOS status.
1128 */
1129 SET_AX( context, Win32HandleToDosFileHandle(winHandle) );
1130
1131 if (returnStatus)
1132 SET_CX( context, dosStatus );
1133
1134 TRACE( "CreateFile finished: handle=%d, status=%d.\n",
1135 AX_reg(context), dosStatus );
1136
1137 return TRUE;
1138 }
1139
1140
1141 /***********************************************************************
1142 * INT21_BufferedInput
1143 *
1144 * Handler for function 0x0a and reading from console using
1145 * function 0x3f.
1146 *
1147 * Reads a string of characters from standard input until
1148 * enter key is pressed. Returns either number of characters
1149 * read from console including terminating CR or
1150 * zero if capacity was zero.
1151 */
1152 static WORD INT21_BufferedInput( CONTEXT86 *context, BYTE *ptr, WORD capacity )
1153 {
1154 BYTE length = 0;
1155
1156 /*
1157 * Return immediately if capacity is zero.
1158 */
1159 if (capacity == 0)
1160 return 0;
1161
1162 while(TRUE)
1163 {
1164 BYTE ascii;
1165 BYTE scan;
1166
1167 DOSVM_Int16ReadChar( &ascii, &scan, context );
1168
1169 if (ascii == '\r' || ascii == '\n')
1170 {
1171 ptr[length] = '\r';
1172 return length + 1;
1173 }
1174
1175 /*
1176 * DOS handles only backspace and KEY_LEFT
1177 * perhaps we should do more
1178 */
1179 if (ascii == '\b' || scan == KEY_LEFT)
1180 {
1181 if (length==0) continue;
1182 DOSVM_PutChar( '\b' );
1183 length--;
1184 continue;
1185 }
1186
1187 /*
1188 * If the buffer becomes filled to within one byte of
1189 * capacity, DOS rejects all further characters up to,
1190 * but not including, the terminating carriage return.
1191 */
1192 if (ascii != 0 && length < capacity-1)
1193 {
1194 DOSVM_PutChar( ascii );
1195 ptr[length] = ascii;
1196 length++;
1197 }
1198 }
1199 }
1200
1201
1202 /***********************************************************************
1203 * INT21_GetCurrentDTA
1204 */
1205 static BYTE *INT21_GetCurrentDTA( CONTEXT86 *context )
1206 {
1207 TDB *pTask = GlobalLock16(GetCurrentTask());
1208
1209 /* FIXME: This assumes DTA was set correctly! */
1210 return (BYTE *)CTX_SEG_OFF_TO_LIN( context, SELECTOROF(pTask->dta),
1211 (DWORD)OFFSETOF(pTask->dta) );
1212 }
1213
1214
1215 /***********************************************************************
1216 * INT21_OpenFileUsingFCB
1217 *
1218 * Handler for function 0x0f.
1219 *
1220 * PARAMS
1221 * DX:DX [I/O] File control block (FCB or XFCB) of unopened file
1222 *
1223 * RETURNS (in AL)
1224 * 0x00: successful
1225 * 0xff: failed
1226 *
1227 * NOTES
1228 * Opens a FCB file for read/write in compatibility mode. Upon calling
1229 * the FCB must have the drive_number, file_name, and file_extension
1230 * fields filled and all other bytes cleared.
1231 */
1232 static void INT21_OpenFileUsingFCB( CONTEXT86 *context )
1233 {
1234 struct FCB *fcb;
1235 struct XFCB *xfcb;
1236 char file_path[16];
1237 char *pos;
1238 HANDLE handle;
1239 HFILE16 hfile16;
1240 BY_HANDLE_FILE_INFORMATION info;
1241 BYTE AL_result;
1242
1243 fcb = CTX_SEG_OFF_TO_LIN(context, context->SegDs, context->Edx);
1244 if (fcb->drive_number == 0xff) {
1245 xfcb = (struct XFCB *) fcb;
1246 fcb = (struct FCB *) xfcb->fcb;
1247 } /* if */
1248
1249 AL_result = 0;
1250 file_path[0] = 'A' + INT21_MapDrive( fcb->drive_number );
1251
1252 if (AL_result == 0) {
1253 file_path[1] = ':';
1254 pos = &file_path[2];
1255 memcpy(pos, fcb->file_name, 8);
1256 pos[8] = ' ';
1257 pos[9] = '\0';
1258 pos = strchr(pos, ' ');
1259 *pos = '.';
1260 pos++;
1261 memcpy(pos, fcb->file_extension, 3);
1262 pos[3] = ' ';
1263 pos[4] = '\0';
1264 pos = strchr(pos, ' ');
1265 *pos = '\0';
1266
1267 handle = (HANDLE) _lopen(file_path, OF_READWRITE);
1268 if (handle == INVALID_HANDLE_VALUE) {
1269 TRACE("_lopen(\"%s\") failed: INVALID_HANDLE_VALUE\n", file_path);
1270 AL_result = 0xff; /* failed */
1271 } else {
1272 hfile16 = Win32HandleToDosFileHandle(handle);
1273 if (hfile16 == HFILE_ERROR16) {
1274 TRACE("Win32HandleToDosFileHandle(%p) failed: HFILE_ERROR\n", handle);
1275 CloseHandle(handle);
1276 AL_result = 0xff; /* failed */
1277 } else if (hfile16 > 255) {
1278 TRACE("hfile16 (=%d) larger than 255 for \"%s\"\n", hfile16, file_path);
1279 _lclose16(hfile16);
1280 AL_result = 0xff; /* failed */
1281 } else {
1282 if (!GetFileInformationByHandle(handle, &info)) {
1283 TRACE("GetFileInformationByHandle(%d, %p) for \"%s\" failed\n",
1284 hfile16, handle, file_path);
1285 _lclose16(hfile16);
1286 AL_result = 0xff; /* failed */
1287 } else {
1288 fcb->drive_number = file_path[0] - 'A' + 1;
1289 fcb->current_block_number = 0;
1290 fcb->logical_record_size = 128;
1291 fcb->file_size = info.nFileSizeLow;
1292 FileTimeToDosDateTime(&info.ftLastWriteTime,
1293 &fcb->date_of_last_write, &fcb->time_of_last_write);
1294 fcb->file_number = hfile16;
1295 fcb->attributes = 0xc2;
1296 fcb->starting_cluster = 0; /* don't know correct init value */
1297 fcb->sequence_number = 0; /* don't know correct init value */
1298 fcb->file_attributes = info.dwFileAttributes;
1299 /* The following fields are not initialized */
1300 /* by the native function: */
1301 /* unused */
1302 /* record_within_current_block */
1303 /* random_access_record_number */
1304
1305 TRACE("successful opened file \"%s\" as %d (handle %p)\n",
1306 file_path, hfile16, handle);
1307 AL_result = 0x00; /* successful */
1308 } /* if */
1309 } /* if */
1310 } /* if */
1311 } /* if */
1312 SET_AL(context, AL_result);
1313 }
1314
1315
1316 /***********************************************************************
1317 * INT21_CloseFileUsingFCB
1318 *
1319 * Handler for function 0x10.
1320 *
1321 * PARAMS
1322 * DX:DX [I/O] File control block (FCB or XFCB) of open file
1323 *
1324 * RETURNS (in AL)
1325 * 0x00: successful
1326 * 0xff: failed
1327 *
1328 * NOTES
1329 * Closes a FCB file.
1330 */
1331 static void INT21_CloseFileUsingFCB( CONTEXT86 *context )
1332 {
1333 struct FCB *fcb;
1334 struct XFCB *xfcb;
1335 BYTE AL_result;
1336
1337 fcb = CTX_SEG_OFF_TO_LIN(context, context->SegDs, context->Edx);
1338 if (fcb->drive_number == 0xff) {
1339 xfcb = (struct XFCB *) fcb;
1340 fcb = (struct FCB *) xfcb->fcb;
1341 } /* if */
1342
1343 if (_lclose16((HFILE16) fcb->file_number) != 0) {
1344 TRACE("_lclose16(%d) failed\n", fcb->file_number);
1345 AL_result = 0xff; /* failed */
1346 } else {
1347 TRACE("successful closed file %d\n", fcb->file_number);
1348 AL_result = 0x00; /* successful */
1349 } /* if */
1350 SET_AL(context, AL_result);
1351 }
1352
1353
1354 /***********************************************************************
1355 * INT21_SequentialReadFromFCB
1356 *
1357 * Handler for function 0x14.
1358 *
1359 * PARAMS
1360 * DX:DX [I/O] File control block (FCB or XFCB) of open file
1361 *
1362 * RETURNS (in AL)
1363 * 0: successful
1364 * 1: end of file, no data read
1365 * 2: segment wrap in DTA, no data read (not returned now)
1366 * 3: end of file, partial record read
1367 *
1368 * NOTES
1369 * Reads a record with the size FCB->logical_record_size from the FCB
1370 * to the disk transfer area. The position of the record is specified
1371 * with FCB->current_block_number and FCB->record_within_current_block.
1372 * Then FCB->current_block_number and FCB->record_within_current_block
1373 * are updated to point to the next record. If a partial record is
1374 * read, it is filled with zeros up to the FCB->logical_record_size.
1375 */
1376 static void INT21_SequentialReadFromFCB( CONTEXT86 *context )
1377 {
1378 struct FCB *fcb;
1379 struct XFCB *xfcb;
1380 HANDLE handle;
1381 DWORD record_number;
1382 long position;
1383 BYTE *disk_transfer_area;
1384 UINT bytes_read;
1385 BYTE AL_result;
1386
1387 fcb = CTX_SEG_OFF_TO_LIN(context, context->SegDs, context->Edx);
1388 if (fcb->drive_number == 0xff) {
1389 xfcb = (struct XFCB *) fcb;
1390 fcb = (struct FCB *) xfcb->fcb;
1391 } /* if */
1392
1393 handle = DosFileHandleToWin32Handle((HFILE16) fcb->file_number);
1394 if (handle == INVALID_HANDLE_VALUE) {
1395 TRACE("DosFileHandleToWin32Handle(%d) failed: INVALID_HANDLE_VALUE\n",
1396 fcb->file_number);
1397 AL_result = 0x01; /* end of file, no data read */
1398 } else {
1399 record_number = 128 * fcb->current_block_number + fcb->record_within_current_block;
1400 position = SetFilePointer(handle, record_number * fcb->logical_record_size, NULL, 0);
1401 if (position != record_number * fcb->logical_record_size) {
1402 TRACE("seek(%d, %ld, 0) failed with %ld\n",
1403 fcb->file_number, record_number * fcb->logical_record_size, position);
1404 AL_result = 0x01; /* end of file, no data read */
1405 } else {
1406 disk_transfer_area = INT21_GetCurrentDTA(context);
1407 bytes_read = _lread((HFILE) handle, disk_transfer_area, fcb->logical_record_size);
1408 if (bytes_read != fcb->logical_record_size) {
1409 TRACE("_lread(%d, %p, %d) failed with %d\n",
1410 fcb->file_number, disk_transfer_area, fcb->logical_record_size, bytes_read);
1411 if (bytes_read == 0) {
1412 AL_result = 0x01; /* end of file, no data read */
1413 } else {
1414 memset(&disk_transfer_area[bytes_read], 0, fcb->logical_record_size - bytes_read);
1415 AL_result = 0x03; /* end of file, partial record read */
1416 } /* if */
1417 } else {
1418 TRACE("successful read %d bytes from record %ld (position %ld) of file %d (handle %p)\n",
1419 bytes_read, record_number, position, fcb->file_number, handle);
1420 AL_result = 0x00; /* successful */
1421 } /* if */
1422 } /* if */
1423 } /* if */
1424 if (AL_result == 0x00 || AL_result == 0x03) {
1425 if (fcb->record_within_current_block == 127) {
1426 fcb->record_within_current_block = 0;
1427 fcb->current_block_number++;
1428 } else {
1429 fcb->record_within_current_block++;
1430 } /* if */
1431 } /* if */
1432 SET_AL(context, AL_result);
1433 }
1434
1435
1436 /***********************************************************************
1437 * INT21_SequentialWriteToFCB
1438 *
1439 * Handler for function 0x15.
1440 *
1441 * PARAMS
1442 * DX:DX [I/O] File control block (FCB or XFCB) of open file
1443 *
1444 * RETURNS (in AL)
1445 * 0: successful
1446 * 1: disk full
1447 * 2: segment wrap in DTA (not returned now)
1448 *
1449 * NOTES
1450 * Writes a record with the size FCB->logical_record_size from the disk
1451 * transfer area to the FCB. The position of the record is specified
1452 * with FCB->current_block_number and FCB->record_within_current_block.
1453 * Then FCB->current_block_number and FCB->record_within_current_block
1454 * are updated to point to the next record.
1455 */
1456 static void INT21_SequentialWriteToFCB( CONTEXT86 *context )
1457 {
1458 struct FCB *fcb;
1459 struct XFCB *xfcb;
1460 HANDLE handle;
1461 DWORD record_number;
1462 long position;
1463 BYTE *disk_transfer_area;
1464 UINT bytes_written;
1465 BYTE AL_result;
1466
1467 fcb = CTX_SEG_OFF_TO_LIN(context, context->SegDs, context->Edx);
1468 if (fcb->drive_number == 0xff) {
1469 xfcb = (struct XFCB *) fcb;
1470 fcb = (struct FCB *) xfcb->fcb;
1471 } /* if */
1472
1473 handle = DosFileHandleToWin32Handle((HFILE16) fcb->file_number);
1474 if (handle == INVALID_HANDLE_VALUE) {
1475 TRACE("DosFileHandleToWin32Handle(%d) failed: INVALID_HANDLE_VALUE\n",
1476 fcb->file_number);
1477 AL_result = 0x01; /* disk full */
1478 } else {
1479 record_number = 128 * fcb->current_block_number + fcb->record_within_current_block;
1480 position = SetFilePointer(handle, record_number * fcb->logical_record_size, NULL, 0);
1481 if (position != record_number * fcb->logical_record_size) {
1482 TRACE("seek(%d, %ld, 0) failed with %ld\n",
1483 fcb->file_number, record_number * fcb->logical_record_size, position);
1484 AL_result = 0x01; /* disk full */
1485 } else {
1486 disk_transfer_area = INT21_GetCurrentDTA(context);
1487 bytes_written = _lwrite((HFILE) handle, disk_transfer_area, fcb->logical_record_size);
1488 if (bytes_written != fcb->logical_record_size) {
1489 TRACE("_lwrite(%d, %p, %d) failed with %d\n",
1490 fcb->file_number, disk_transfer_area, fcb->logical_record_size, bytes_written);
1491 AL_result = 0x01; /* disk full */
1492 } else {
1493 TRACE("successful written %d bytes from record %ld (position %ld) of file %d (handle %p)\n",
1494 bytes_written, record_number, position, fcb->file_number, handle);
1495 AL_result = 0x00; /* successful */
1496 } /* if */
1497 } /* if */
1498 } /* if */
1499 if (AL_result == 0x00) {
1500 if (fcb->record_within_current_block == 127) {
1501 fcb->record_within_current_block = 0;
1502 fcb->current_block_number++;
1503 } else {
1504 fcb->record_within_current_block++;
1505 } /* if */
1506 } /* if */
1507 SET_AL(context, AL_result);
1508 }
1509
1510
1511 /***********************************************************************
1512 * INT21_ReadRandomRecordFromFCB
1513 *
1514 * Handler for function 0x21.
1515 *
1516 * PARAMS
1517 * DX:DX [I/O] File control block (FCB or XFCB) of open file
1518 *
1519 * RETURNS (in AL)
1520 * 0: successful
1521 * 1: end of file, no data read
1522 * 2: segment wrap in DTA, no data read (not returned now)
1523 * 3: end of file, partial record read
1524 *
1525 * NOTES
1526 * Reads a record with the size FCB->logical_record_size from
1527 * the FCB to the disk transfer area. The position of the record
1528 * is specified with FCB->random_access_record_number. The
1529 * FCB->random_access_record_number is not updated. If a partial record
1530 * is read, it is filled with zeros up to the FCB->logical_record_size.
1531 */
1532 static void INT21_ReadRandomRecordFromFCB( CONTEXT86 *context )
1533 {
1534 struct FCB *fcb;
1535 struct XFCB *xfcb;
1536 HANDLE handle;
1537 DWORD record_number;
1538 long position;
1539 BYTE *disk_transfer_area;
1540 UINT bytes_read;
1541 BYTE AL_result;
1542
1543 fcb = CTX_SEG_OFF_TO_LIN(context, context->SegDs, context->Edx);
1544 if (fcb->drive_number == 0xff) {
1545 xfcb = (struct XFCB *) fcb;
1546 fcb = (struct FCB *) xfcb->fcb;
1547 } /* if */
1548
1549 memcpy(&record_number, fcb->random_access_record_number, 4);
1550 handle = DosFileHandleToWin32Handle((HFILE16) fcb->file_number);
1551 if (handle == INVALID_HANDLE_VALUE) {
1552 TRACE("DosFileHandleToWin32Handle(%d) failed: INVALID_HANDLE_VALUE\n",
1553 fcb->file_number);
1554 AL_result = 0x01; /* end of file, no data read */
1555 } else {
1556 position = SetFilePointer(handle, record_number * fcb->logical_record_size, NULL, 0);
1557 if (position != record_number * fcb->logical_record_size) {
1558 TRACE("seek(%d, %ld, 0) failed with %ld\n",
1559 fcb->file_number, record_number * fcb->logical_record_size, position);
1560 AL_result = 0x01; /* end of file, no data read */
1561 } else {
1562 disk_transfer_area = INT21_GetCurrentDTA(context);
1563 bytes_read = _lread((HFILE) handle, disk_transfer_area, fcb->logical_record_size);
1564 if (bytes_read != fcb->logical_record_size) {
1565 TRACE("_lread(%d, %p, %d) failed with %d\n",
1566 fcb->file_number, disk_transfer_area, fcb->logical_record_size, bytes_read);
1567 if (bytes_read == 0) {
1568 AL_result = 0x01; /* end of file, no data read */
1569 } else {
1570 memset(&disk_transfer_area[bytes_read], 0, fcb->logical_record_size - bytes_read);
1571 AL_result = 0x03; /* end of file, partial record read */
1572 } /* if */
1573 } else {
1574 TRACE("successful read %d bytes from record %ld (position %ld) of file %d (handle %p)\n",
1575 bytes_read, record_number, position, fcb->file_number, handle);
1576 AL_result = 0x00; /* successful */
1577 } /* if */
1578 } /* if */
1579 } /* if */
1580 fcb->current_block_number = record_number / 128;
1581 fcb->record_within_current_block = record_number % 128;
1582 SET_AL(context, AL_result);
1583 }
1584
1585
1586 /***********************************************************************
1587 * INT21_WriteRandomRecordToFCB
1588 *
1589 * Handler for function 0x22.
1590 *
1591 * PARAMS
1592 * DX:DX [I/O] File control block (FCB or XFCB) of open file
1593 *
1594 * RETURNS (in AL)
1595 * 0: successful
1596 * 1: disk full
1597 * 2: segment wrap in DTA (not returned now)
1598 *
1599 * NOTES
1600 * Writes a record with the size FCB->logical_record_size from
1601 * the disk transfer area to the FCB. The position of the record
1602 * is specified with FCB->random_access_record_number. The
1603 * FCB->random_access_record_number is not updated.
1604 */
1605 static void INT21_WriteRandomRecordToFCB( CONTEXT86 *context )
1606 {
1607 struct FCB *fcb;
1608 struct XFCB *xfcb;
1609 HANDLE handle;
1610 DWORD record_number;
1611 long position;
1612 BYTE *disk_transfer_area;
1613 UINT bytes_written;
1614 BYTE AL_result;
1615
1616 fcb = CTX_SEG_OFF_TO_LIN(context, context->SegDs, context->Edx);
1617 if (fcb->drive_number == 0xff) {
1618 xfcb = (struct XFCB *) fcb;
1619 fcb = (struct FCB *) xfcb->fcb;
1620 } /* if */
1621
1622 memcpy(&record_number, fcb->random_access_record_number, 4);
1623 handle = DosFileHandleToWin32Handle((HFILE16) fcb->file_number);
1624 if (handle == INVALID_HANDLE_VALUE) {
1625 TRACE("DosFileHandleToWin32Handle(%d) failed: INVALID_HANDLE_VALUE\n",
1626 fcb->file_number);
1627 AL_result = 0x01; /* disk full */
1628 } else {
1629 position = SetFilePointer(handle, record_number * fcb->logical_record_size, NULL, 0);
1630 if (position != record_number * fcb->logical_record_size) {
1631 TRACE("seek(%d, %ld, 0) failed with %ld\n",
1632 fcb->file_number, record_number * fcb->logical_record_size, position);
1633 AL_result = 0x01; /* disk full */
1634 } else {
1635 disk_transfer_area = INT21_GetCurrentDTA(context);
1636 bytes_written = _lwrite((HFILE) handle, disk_transfer_area, fcb->logical_record_size);
1637 if (bytes_written != fcb->logical_record_size) {
1638 TRACE("_lwrite(%d, %p, %d) failed with %d\n",
1639 fcb->file_number, disk_transfer_area, fcb->logical_record_size, bytes_written);
1640 AL_result = 0x01; /* disk full */
1641 } else {
1642 TRACE("successful written %d bytes from record %ld (position %ld) of file %d (handle %p)\n",
1643 bytes_written, record_number, position, fcb->file_number, handle);
1644 AL_result = 0x00; /* successful */
1645 } /* if */
1646 } /* if */
1647 } /* if */
1648 fcb->current_block_number = record_number / 128;
1649 fcb->record_within_current_block = record_number % 128;
1650 SET_AL(context, AL_result);
1651 }
1652
1653
1654 /***********************************************************************
1655 * INT21_RandomBlockReadFromFCB
1656 *
1657 * Handler for function 0x27.
1658 *
1659 * PARAMS
1660 * CX [I/O] Number of records to read
1661 * DX:DX [I/O] File control block (FCB or XFCB) of open file
1662 *
1663 * RETURNS (in AL)
1664 * 0: successful
1665 * 1: end of file, no data read
1666 * 2: segment wrap in DTA, no data read (not returned now)
1667 * 3: end of file, partial record read
1668 *
1669 * NOTES
1670 * Reads several records with the size FCB->logical_record_size from
1671 * the FCB to the disk transfer area. The number of records to be
1672 * read is specified in the CX register. The position of the first
1673 * record is specified with FCB->random_access_record_number. The
1674 * FCB->random_access_record_number, the FCB->current_block_number
1675 * and FCB->record_within_current_block are updated to point to the
1676 * next record after the records read. If a partial record is read,
1677 * it is filled with zeros up to the FCB->logical_record_size. The
1678 * CX register is set to the number of successfully read records.
1679 */
1680 static void INT21_RandomBlockReadFromFCB( CONTEXT86 *context )
1681 {
1682 struct FCB *fcb;
1683 struct XFCB *xfcb;
1684 HANDLE handle;
1685 DWORD record_number;
1686 long position;
1687 BYTE *disk_transfer_area;
1688 UINT records_requested;
1689 UINT bytes_requested;
1690 UINT bytes_read;
1691 UINT records_read;
1692 BYTE AL_result;
1693
1694 fcb = CTX_SEG_OFF_TO_LIN(context, context->SegDs, context->Edx);
1695 if (fcb->drive_number == 0xff) {
1696 xfcb = (struct XFCB *) fcb;
1697 fcb = (struct FCB *) xfcb->fcb;
1698 } /* if */
1699
1700 memcpy(&record_number, fcb->random_access_record_number, 4);
1701 handle = DosFileHandleToWin32Handle((HFILE16) fcb->file_number);
1702 if (handle == INVALID_HANDLE_VALUE) {
1703 TRACE("DosFileHandleToWin32Handle(%d) failed: INVALID_HANDLE_VALUE\n",
1704 fcb->file_number);
1705 records_read = 0;
1706 AL_result = 0x01; /* end of file, no data read */
1707 } else {
1708 position = SetFilePointer(handle, record_number * fcb->logical_record_size, NULL, 0);
1709 if (position != record_number * fcb->logical_record_size) {
1710 TRACE("seek(%d, %ld, 0) failed with %ld\n",
1711 fcb->file_number, record_number * fcb->logical_record_size, position);
1712 records_read = 0;
1713 AL_result = 0x01; /* end of file, no data read */
1714 } else {
1715 disk_transfer_area = INT21_GetCurrentDTA(context);
1716 records_requested = CX_reg(context);
1717 bytes_requested = (UINT) records_requested * fcb->logical_record_size;
1718 bytes_read = _lread((HFILE) handle, disk_transfer_area, bytes_requested);
1719 if (bytes_read != bytes_requested) {
1720 TRACE("_lread(%d, %p, %d) failed with %d\n",
1721 fcb->file_number, disk_transfer_area, bytes_requested, bytes_read);
1722 records_read = bytes_read / fcb->logical_record_size;
1723 if (bytes_read % fcb->logical_record_size == 0) {
1724 AL_result = 0x01; /* end of file, no data read */
1725 } else {
1726 records_read++;
1727 memset(&disk_transfer_area[bytes_read], 0, records_read * fcb->logical_record_size - bytes_read);
1728 AL_result = 0x03; /* end of file, partial record read */
1729 } /* if */
1730 } else {
1731 TRACE("successful read %d bytes from record %ld (position %ld) of file %d (handle %p)\n",
1732 bytes_read, record_number, position, fcb->file_number, handle);
1733 records_read = records_requested;
1734 AL_result = 0x00; /* successful */
1735 } /* if */
1736 } /* if */
1737 } /* if */
1738 record_number += records_read;
1739 memcpy(fcb->random_access_record_number, &record_number, 4);
1740 fcb->current_block_number = record_number / 128;
1741 fcb->record_within_current_block = record_number % 128;
1742 SET_CX(context, records_read);
1743 SET_AL(context, AL_result);
1744 }
1745
1746
1747 /***********************************************************************
1748 * INT21_RandomBlockWriteToFCB
1749 *
1750 * Handler for function 0x28.
1751 *
1752 * PARAMS
1753 * CX [I/O] Number of records to write
1754 * DX:DX [I/O] File control block (FCB or XFCB) of open file
1755 *
1756 * RETURNS (in AL)
1757 * 0: successful
1758 * 1: disk full
1759 * 2: segment wrap in DTA (not returned now)
1760 *
1761 * NOTES
1762 * Writes several records with the size FCB->logical_record_size from
1763 * the disk transfer area to the FCB. The number of records to be
1764 * written is specified in the CX register. The position of the first
1765 * record is specified with FCB->random_access_record_number. The
1766 * FCB->random_access_record_number, the FCB->current_block_number
1767 * and FCB->record_within_current_block are updated to point to the
1768 * next record after the records written. The CX register is set to
1769 * the number of successfully written records.
1770 */
1771 static void INT21_RandomBlockWriteToFCB( CONTEXT86 *context )
1772 {
1773 struct FCB *fcb;
1774 struct XFCB *xfcb;
1775 HANDLE handle;
1776 DWORD record_number;
1777 long position;
1778 BYTE *disk_transfer_area;
1779 UINT records_requested;
1780 UINT bytes_requested;
1781 UINT bytes_written;
1782 UINT records_written;
1783 BYTE AL_result;
1784
1785 fcb = CTX_SEG_OFF_TO_LIN(context, context->SegDs, context->Edx);
1786 if (fcb->drive_number == 0xff) {
1787 xfcb = (struct XFCB *) fcb;
1788 fcb = (struct FCB *) xfcb->fcb;
1789 } /* if */
1790
1791 memcpy(&record_number, fcb->random_access_record_number, 4);
1792 handle = DosFileHandleToWin32Handle((HFILE16) fcb->file_number);
1793 if (handle == INVALID_HANDLE_VALUE) {
1794 TRACE("DosFileHandleToWin32Handle(%d) failed: INVALID_HANDLE_VALUE\n",
1795 fcb->file_number);
1796 records_written = 0;
1797 AL_result = 0x01; /* disk full */
1798 } else {
1799 position = SetFilePointer(handle, record_number * fcb->logical_record_size, NULL, 0);
1800 if (position != record_number * fcb->logical_record_size) {
1801 TRACE("seek(%d, %ld, 0) failed with %ld\n",
1802 fcb->file_number, record_number * fcb->logical_record_size, position);
1803 records_written = 0;
1804 AL_result = 0x01; /* disk full */
1805 } else {
1806 disk_transfer_area = INT21_GetCurrentDTA(context);
1807 records_requested = CX_reg(context);
1808 bytes_requested = (UINT) records_requested * fcb->logical_record_size;
1809 bytes_written = _lwrite((HFILE) handle, disk_transfer_area, bytes_requested);
1810 if (bytes_written != bytes_requested) {
1811 TRACE("_lwrite(%d, %p, %d) failed with %d\n",
1812 fcb->file_number, disk_transfer_area, bytes_requested, bytes_written);
1813 records_written = bytes_written / fcb->logical_record_size;
1814 AL_result = 0x01; /* disk full */
1815 } else {
1816 TRACE("successful write %d bytes from record %ld (position %ld) of file %d (handle %p)\n",
1817 bytes_written, record_number, position, fcb->file_number, handle);
1818 records_written = records_requested;
1819 AL_result = 0x00; /* successful */
1820 } /* if */
1821 } /* if */
1822 } /* if */
1823 record_number += records_written;
1824 memcpy(fcb->random_access_record_number, &record_number, 4);
1825 fcb->current_block_number = record_number / 128;
1826 fcb->record_within_current_block = record_number % 128;
1827 SET_CX(context, records_written);
1828 SET_AL(context, AL_result);
1829 }
1830
1831
1832 /***********************************************************************
1833 * INT21_CreateDirectory
1834 *
1835 * Handler for:
1836 * - function 0x39
1837 * - subfunction 0x39 of function 0x71
1838 * - subfunction 0xff of function 0x43 (CL == 0x39)
1839 */
1840 static BOOL INT21_CreateDirectory( CONTEXT86 *context )
1841 {
1842 WCHAR dirW[MAX_PATH];
1843 char *dirA = CTX_SEG_OFF_TO_LIN(context,
1844 context->SegDs,
1845 context->Edx);
1846
1847 TRACE( "CREATE DIRECTORY %s\n", dirA );
1848
1849 MultiByteToWideChar(CP_OEMCP, 0, dirA, -1, dirW, MAX_PATH);
1850
1851 if (CreateDirectoryW(dirW, NULL))
1852 return TRUE;
1853
1854 /*
1855 * FIXME: CreateDirectory's LastErrors will clash with the ones
1856 * used by DOS. AH=39 only returns 3 (path not found) and
1857 * 5 (access denied), while CreateDirectory return several
1858 * ones. Remap some of them. -Marcus
1859 */
1860 switch (GetLastError())
1861 {
1862 case ERROR_ALREADY_EXISTS:
1863 case ERROR_FILENAME_EXCED_RANGE:
1864 case ERROR_DISK_FULL:
1865 SetLastError(ERROR_ACCESS_DENIED);
1866 break;
1867 default:
1868 break;
1869 }
1870
1871 return FALSE;
1872 }
1873
1874
1875 /***********************************************************************
1876 * INT21_ExtendedCountryInformation
1877 *
1878 * Handler for function 0x65.
1879 */
1880 static void INT21_ExtendedCountryInformation( CONTEXT86 *context )
1881 {
1882 BYTE *dataptr = CTX_SEG_OFF_TO_LIN( context, context->SegEs, context->Edi );
1883 BYTE buffsize = CX_reg (context);
1884
1885 TRACE( "GET EXTENDED COUNTRY INFORMATION, subfunction %02x\n",
1886 AL_reg(context) );
1887
1888 /*
1889 * Check subfunctions that are passed country and code page.
1890 */
1891 if (AL_reg(context) >= 0x01 && AL_reg(context) <= 0x07)
1892 {
1893 WORD country = DX_reg(context);
1894 WORD codepage = BX_reg(context);
1895
1896 if (country != 0xffff && country != INT21_GetSystemCountryCode())
1897 FIXME( "Requested info on non-default country %04x\n", country );
1898
1899 if (codepage != 0xffff && codepage != GetOEMCP())
1900 FIXME( "Requested info on non-default code page %04x\n", codepage );
1901 }
1902
1903 switch (AL_reg(context)) {
1904 case 0x00: /* SET GENERAL INTERNATIONALIZATION INFO */
1905 INT_BARF( context, 0x21 );
1906 SET_CFLAG( context );
1907 break;
1908
1909 case 0x01: /* GET GENERAL INTERNATIONALIZATION INFO */
1910 TRACE( "Get general internationalization info\n" );
1911 dataptr[0] = 0x01; /* Info ID */
1912 *(WORD*)(dataptr+1) = 38; /* Size of the following info */
1913 *(WORD*)(dataptr+3) = INT21_GetSystemCountryCode(); /* Country ID */
1914 *(WORD*)(dataptr+5) = GetOEMCP(); /* Code page */
1915 /* FIXME: fill buffer partially up to buffsize bytes*/
1916 if (buffsize >= 0x29){
1917 INT21_FillCountryInformation( dataptr + 7 );
1918 SET_CX( context, 0x29 ); /* Size of returned info */
1919 }else{
1920 SET_CX( context, 0x07 ); /* Size of returned info */
1921 }
1922 break;
1923
1924 case 0x02: /* GET POINTER TO UPPERCASE TABLE */
1925 case 0x04: /* GET POINTER TO FILENAME UPPERCASE TABLE */
1926 TRACE( "Get pointer to uppercase table\n" );
1927 dataptr[0] = AL_reg(context); /* Info ID */
1928 *(DWORD*)(dataptr+1) = MAKESEGPTR( INT21_GetHeapSelector( context ),
1929 offsetof(INT21_HEAP, uppercase_size) );
1930 SET_CX( context, 5 ); /* Size of returned info */
1931 break;
1932
1933 case 0x03: /* GET POINTER TO LOWERCASE TABLE */
1934 TRACE( "Get pointer to lowercase table\n" );
1935 dataptr[0] = 0x03; /* Info ID */
1936 *(DWORD*)(dataptr+1) = MAKESEGPTR( INT21_GetHeapSelector( context ),
1937 offsetof(INT21_HEAP, lowercase_size) );
1938 SET_CX( context, 5 ); /* Size of returned info */
1939 break;
1940
1941 case 0x05: /* GET POINTER TO FILENAME TERMINATOR TABLE */
1942 TRACE("Get pointer to filename terminator table\n");
1943 dataptr[0] = 0x05; /* Info ID */
1944 *(DWORD*)(dataptr+1) = MAKESEGPTR( INT21_GetHeapSelector( context ),
1945 offsetof(INT21_HEAP, filename_size) );
1946 SET_CX( context, 5 ); /* Size of returned info */
1947 break;
1948
1949 case 0x06: /* GET POINTER TO COLLATING SEQUENCE TABLE */
1950 TRACE("Get pointer to collating sequence table\n");
1951 dataptr[0] = 0x06; /* Info ID */
1952 *(DWORD*)(dataptr+1) = MAKESEGPTR( INT21_GetHeapSelector( context ),
1953 offsetof(INT21_HEAP, collating_size) );
1954 SET_CX( context, 5 ); /* Size of returned info */
1955 break;
1956
1957 case 0x07: /* GET POINTER TO DBCS LEAD BYTE TABLE */
1958 TRACE("Get pointer to DBCS lead byte table\n");
1959 dataptr[0] = 0x07; /* Info ID */
1960 *(DWORD*)(dataptr+1) = MAKESEGPTR( INT21_GetHeapSelector( context ),
1961 offsetof(INT21_HEAP, dbcs_size) );
1962 SET_CX( context, 5 ); /* Size of returned info */
1963 break;
1964
1965 case 0x20: /* CAPITALIZE CHARACTER */
1966 case 0xa0: /* CAPITALIZE FILENAME CHARACTER */
1967 TRACE("Convert char to uppercase\n");
1968 SET_DL( context, toupper(DL_reg(context)) );
1969 break;
1970
1971 case 0x21: /* CAPITALIZE STRING */
1972 case 0xa1: /* CAPITALIZE COUNTED FILENAME STRING */
1973 TRACE("Convert string to uppercase with length\n");
1974 {
1975 char *ptr = (char *)CTX_SEG_OFF_TO_LIN( context,
1976 context->SegDs,
1977 context->Edx );
1978 WORD len = CX_reg(context);
1979 while (len--) { *ptr = toupper(*ptr); ptr++; }
1980 }
1981 break;
1982
1983 case 0x22: /* CAPITALIZE ASCIIZ STRING */
1984 case 0xa2: /* CAPITALIZE ASCIIZ FILENAME */
1985 TRACE("Convert ASCIIZ string to uppercase\n");
1986 _strupr( (LPSTR)CTX_SEG_OFF_TO_LIN(context, context->SegDs, context->Edx) );
1987 break;
1988
1989 case 0x23: /* DETERMINE IF CHARACTER REPRESENTS YES/NO RESPONSE */
1990 INT_BARF( context, 0x21 );
1991 SET_CFLAG( context );
1992 break;
1993
1994 default:
1995 INT_BARF( context, 0x21 );
1996 SET_CFLAG(context);
1997 break;
1998 }
1999 }
2000
2001
2002 /***********************************************************************
2003 * INT21_FileAttributes
2004 *
2005 * Handler for:
2006 * - function 0x43
2007 * - subfunction 0x43 of function 0x71
2008 */
2009 static BOOL INT21_FileAttributes( CONTEXT86 *context,
2010 BYTE subfunction,
2011 BOOL islong )
2012 {
2013 WCHAR fileW[MAX_PATH];
2014 char *fileA = CTX_SEG_OFF_TO_LIN(context,
2015 context->SegDs,
2016 context->Edx);
2017 HANDLE handle;
2018 BOOL status;
2019 FILETIME filetime;
2020 DWORD result;
2021 WORD date, time;
2022
2023 switch (subfunction)
2024 {
2025 case 0x00: /* GET FILE ATTRIBUTES */
2026 TRACE( "GET FILE ATTRIBUTES for %s\n", fileA );
2027 MultiByteToWideChar(CP_OEMCP, 0, fileA, -1, fileW, MAX_PATH);
2028
2029 result = GetFileAttributesW( fileW );
2030 if (result == INVALID_FILE_ATTRIBUTES)
2031 return FALSE;
2032 else
2033 {
2034 SET_CX( context, (WORD)result );
2035 if (!islong)
2036 SET_AX( context, (WORD)result ); /* DR DOS */
2037 }
2038 break;
2039
2040 case 0x01: /* SET FILE ATTRIBUTES */
2041 TRACE( "SET FILE ATTRIBUTES 0x%02x for %s\n",
2042 CX_reg(context), fileA );
2043 MultiByteToWideChar(CP_OEMCP, 0, fileA, -1, fileW, MAX_PATH);
2044
2045 if (!SetFileAttributesW( fileW, CX_reg(context) ))
2046 return FALSE;
2047 break;
2048
2049 case 0x02: /* GET COMPRESSED FILE SIZE */
2050 TRACE( "GET COMPRESSED FILE SIZE for %s\n", fileA );
2051 MultiByteToWideChar(CP_OEMCP, 0, fileA, -1, fileW, MAX_PATH);
2052
2053 result = GetCompressedFileSizeW( fileW, NULL );
2054 if (result == INVALID_FILE_SIZE)
2055 return FALSE;
2056 else
2057 {
2058 SET_AX( context, LOWORD(result) );
2059 SET_DX( context, HIWORD(result) );
2060 }
2061 break;
2062
2063 case 0x03: /* SET FILE LAST-WRITTEN DATE AND TIME */
2064 if (!islong)
2065 INT_BARF( context, 0x21 );
2066 else
2067 {
2068 TRACE( "SET FILE LAST-WRITTEN DATE AND TIME, file %s\n", fileA );
2069 MultiByteToWideChar(CP_OEMCP, 0, fileA, -1, fileW, MAX_PATH);
2070
2071 handle = CreateFileW( fileW, GENERIC_WRITE,
2072 FILE_SHARE_READ | FILE_SHARE_WRITE,
2073 NULL, OPEN_EXISTING, 0, 0 );
2074 if (handle == INVALID_HANDLE_VALUE)
2075 return FALSE;
2076
2077 DosDateTimeToFileTime( DI_reg(context),
2078 CX_reg(context),
2079 &filetime );
2080 status = SetFileTime( handle, NULL, NULL, &filetime );
2081
2082 CloseHandle( handle );
2083 return status;
2084 }
2085 break;
2086
2087 case 0x04: /* GET FILE LAST-WRITTEN DATE AND TIME */
2088 if (!islong)
2089 INT_BARF( context, 0x21 );
2090 else
2091 {
2092 TRACE( "GET FILE LAST-WRITTEN DATE AND TIME, file %s\n", fileA );
2093 MultiByteToWideChar(CP_OEMCP, 0, fileA, -1, fileW, MAX_PATH);
2094
2095 handle = CreateFileW( fileW, GENERIC_READ,
2096 FILE_SHARE_READ | FILE_SHARE_WRITE,
2097 NULL, OPEN_EXISTING, 0, 0 );
2098 if (handle == INVALID_HANDLE_VALUE)
2099 return FALSE;
2100
2101 status = GetFileTime( handle, NULL, NULL, &filetime );
2102 if (status)
2103 {
2104 FileTimeToDosDateTime( &filetime, &date, &time );
2105 SET_DI( context, date );
2106 SET_CX( context, time );
2107 }
2108
2109 CloseHandle( handle );
2110 return status;
2111 }
2112 break;
2113
2114 case 0x05: /* SET FILE LAST ACCESS DATE */
2115 if (!islong)
2116 INT_BARF( context, 0x21 );
2117 else
2118 {
2119 TRACE( "SET FILE LAST ACCESS DATE, file %s\n", fileA );
2120 MultiByteToWideChar(CP_OEMCP, 0, fileA, -1, fileW, MAX_PATH);
2121
2122 handle = CreateFileW( fileW, GENERIC_WRITE,
2123 FILE_SHARE_READ | FILE_SHARE_WRITE,
2124 NULL, OPEN_EXISTING, 0, 0 );
2125 if (handle == INVALID_HANDLE_VALUE)
2126 return FALSE;
2127
2128 DosDateTimeToFileTime( DI_reg(context),
2129 0,
2130 &filetime );
2131 status = SetFileTime( handle, NULL, &filetime, NULL );
2132
2133 CloseHandle( handle );
2134 return status;
2135 }
2136 break;
2137
2138 case 0x06: /* GET FILE LAST ACCESS DATE */
2139 if (!islong)
2140 INT_BARF( context, 0x21 );
2141 else
2142 {
2143 TRACE( "GET FILE LAST ACCESS DATE, file %s\n", fileA );
2144 MultiByteToWideChar(CP_OEMCP, 0, fileA, -1, fileW, MAX_PATH);
2145
2146 handle = CreateFileW( fileW, GENERIC_READ,
2147 FILE_SHARE_READ | FILE_SHARE_WRITE,
2148 NULL, OPEN_EXISTING, 0, 0 );
2149 if (handle == INVALID_HANDLE_VALUE)
2150 return FALSE;
2151
2152 status = GetFileTime( handle, NULL, &filetime, NULL );
2153 if (status)
2154 {
2155 FileTimeToDosDateTime( &filetime, &date, NULL );
2156 SET_DI( context, date );
2157 }
2158
2159 CloseHandle( handle );
2160 return status;
2161 }
2162 break;
2163
2164 case 0x07: /* SET FILE CREATION DATE AND TIME */
2165 if (!islong)
2166 INT_BARF( context, 0x21 );
2167 else
2168 {
2169 TRACE( "SET FILE CREATION DATE AND TIME, file %s\n", fileA );
2170
2171 handle = CreateFileW( fileW, GENERIC_WRITE,
2172 FILE_SHARE_READ | FILE_SHARE_WRITE,
2173 NULL, OPEN_EXISTING, 0, 0 );
2174 if (handle == INVALID_HANDLE_VALUE)
2175 return FALSE;
2176
2177 /*
2178 * FIXME: SI has number of 10-millisecond units past time in CX.
2179 */
2180 DosDateTimeToFileTime( DI_reg(context),
2181 CX_reg(context),
2182 &filetime );
2183 status = SetFileTime( handle, &filetime, NULL, NULL );
2184
2185 CloseHandle( handle );
2186 return status;
2187 }
2188 break;
2189
2190 case 0x08: /* GET FILE CREATION DATE AND TIME */
2191 if (!islong)
2192 INT_BARF( context, 0x21 );
2193 else
2194 {
2195 TRACE( "GET FILE CREATION DATE AND TIME, handle %d\n",
2196 BX_reg(context) );
2197
2198 handle = CreateFileW( fileW, GENERIC_READ,
2199 FILE_SHARE_READ | FILE_SHARE_WRITE,
2200 NULL, OPEN_EXISTING, 0, 0 );
2201 if (handle == INVALID_HANDLE_VALUE)
2202 return FALSE;
2203
2204 status = GetFileTime( handle, &filetime, NULL, NULL );
2205 if (status)
2206 {
2207 FileTimeToDosDateTime( &filetime, &date, &time );
2208 SET_DI( context, date );
2209 SET_CX( context, time );
2210 /*
2211 * FIXME: SI has number of 10-millisecond units past
2212 * time in CX.
2213 */
2214 SET_SI( context, 0 );
2215 }
2216
2217 CloseHandle(handle);
2218 return status;
2219 }
2220 break;
2221
2222 case 0xff: /* EXTENDED-LENGTH FILENAME OPERATIONS */
2223 if (islong || context->Ebp != 0x5053)
2224 INT_BARF( context, 0x21 );
2225 else
2226 {
2227 switch(CL_reg(context))
2228 {
2229 case 0x39:
2230 if (!INT21_CreateDirectory( context ))
2231 return FALSE;
2232 break;
2233
2234 case 0x56:
2235 if (!INT21_RenameFile( context ))
2236 return FALSE;
2237 break;
2238
2239 default:
2240 INT_BARF( context, 0x21 );
2241 }
2242 }
2243 break;
2244
2245 default:
2246 INT_BARF( context, 0x21 );
2247 }
2248
2249 return TRUE;
2250 }
2251
2252
2253 /***********************************************************************
2254 * INT21_FileDateTime
2255 *
2256 * Handler for function 0x57.
2257 */
2258 static BOOL INT21_FileDateTime( CONTEXT86 *context )
2259 {
2260 HANDLE handle = DosFileHandleToWin32Handle(BX_reg(context));
2261 FILETIME filetime;
2262 WORD date, time;
2263
2264 switch (AL_reg(context)) {
2265 case 0x00: /* Get last-written stamp */
2266 TRACE( "GET FILE LAST-WRITTEN DATE AND TIME, handle %d\n",
2267 BX_reg(context) );
2268 {
2269 if (!GetFileTime( handle, NULL, NULL, &filetime ))
2270 return FALSE;
2271 FileTimeToDosDateTime( &filetime, &date, &time );
2272 SET_DX( context, date );
2273 SET_CX( context, time );
2274 break;
2275 }
2276
2277 case 0x01: /* Set last-written stamp */
2278 TRACE( "SET FILE LAST-WRITTEN DATE AND TIME, handle %d\n",
2279 BX_reg(context) );
2280 {
2281 DosDateTimeToFileTime( DX_reg(context),
2282 CX_reg(context),
2283 &filetime );
2284 if (!SetFileTime( handle, NULL, NULL, &filetime ))
2285 return FALSE;
2286 break;
2287 }
2288
2289 case 0x04: /* Get last access stamp, DOS 7 */
2290 TRACE( "GET FILE LAST ACCESS DATE AND TIME, handle %d\n",
2291 BX_reg(context) );
2292 {
2293 if (!GetFileTime( handle, NULL, &filetime, NULL ))
2294 return FALSE;
2295 FileTimeToDosDateTime( &filetime, &date, &time );
2296 SET_DX( context, date );
2297 SET_CX( context, time );
2298 break;
2299 }
2300
2301 case 0x05: /* Set last access stamp, DOS 7 */
2302 TRACE( "SET FILE LAST ACCESS DATE AND TIME, handle %d\n",
2303 BX_reg(context) );
2304 {
2305 DosDateTimeToFileTime( DX_reg(context),
2306 CX_reg(context),
2307 &filetime );
2308 if (!SetFileTime( handle, NULL, &filetime, NULL ))
2309 return FALSE;
2310 break;
2311 }
2312
2313 case 0x06: /* Get creation stamp, DOS 7 */
2314 TRACE( "GET FILE CREATION DATE AND TIME, handle %d\n",
2315 BX_reg(context) );
2316 {
2317 if (!GetFileTime( handle, &filetime, NULL, NULL ))
2318 return FALSE;
2319 FileTimeToDosDateTime( &filetime, &date, &time );
2320 SET_DX( context, date );
2321 SET_CX( context, time );
2322 /*
2323 * FIXME: SI has number of 10-millisecond units past time in CX.
2324 */
2325 SET_SI( context, 0 );
2326 break;
2327 }
2328
2329 case 0x07: /* Set creation stamp, DOS 7 */
2330 TRACE( "SET FILE CREATION DATE AND TIME, handle %d\n",
2331 BX_reg(context) );
2332 {
2333 /*
2334 * FIXME: SI has number of 10-millisecond units past time in CX.
2335 */
2336 DosDateTimeToFileTime( DX_reg(context),
2337 CX_reg(context),
2338 &filetime );
2339 if (!SetFileTime( handle, &filetime, NULL, NULL ))
2340 return FALSE;
2341 break;
2342 }
2343
2344 default:
2345 INT_BARF( context, 0x21 );
2346 break;
2347 }
2348
2349 return TRUE;
2350 }
2351
2352
2353 /***********************************************************************
2354 * INT21_GetPSP
2355 *
2356 * Handler for functions 0x51 and 0x62.
2357 */
2358 static void INT21_GetPSP( CONTEXT86 *context )
2359 {
2360 TRACE( "GET CURRENT PSP ADDRESS (%02x)\n", AH_reg(context) );
2361
2362 /*
2363 * FIXME: should we return the original DOS PSP upon
2364 * Windows startup ?
2365 */
2366 if (!ISV86(context) && DOSVM_IsWin16())
2367 SET_BX( context, LOWORD(GetCurrentPDB16()) );
2368 else
2369 SET_BX( context, DOSVM_psp );
2370 }
2371
2372 static inline void setword( BYTE *ptr, WORD w )
2373 {
2374 ptr[0] = (BYTE)w;
2375 ptr[1] = (BYTE)(w >> 8);
2376 }
2377
2378 static void CreateBPB(int drive, BYTE *data, BOOL16 limited)
2379 /* limited == TRUE is used with INT 0x21/0x440d */
2380 {
2381 /* FIXME: we're forcing some values without checking that those are valid */
2382 if (drive > 1)
2383 {
2384 setword(data, 512);
2385 data[2] = 2;
2386 setword(&data[3], 0);
2387 data[5] = 2;
2388 setword(&data[6], 240);
2389 setword(&data[8], 64000);
2390 data[0x0a] = 0xf8;
2391 setword(&data[0x0b], 40);
2392 setword(&data[0x0d], 56);
2393 setword(&data[0x0f], 2);
2394 setword(&data[0x11], 0);
2395 if (!limited)
2396 {
2397 setword(&data[0x1f], 800);
2398 data[0x21] = 5;
2399 setword(&data[0x22], 1);
2400 }
2401 }
2402 else
2403 { /* 1.44mb */
2404 setword(data, 512);
2405 data[2] = 2;
2406 setword(&data[3], 0);
2407 data[5] = 2;
2408 setword(&data[6], 240);
2409 setword(&data[8], 2880);
2410 data[0x0a] = 0xf8;
2411 setword(&data[0x0b], 6);
2412 setword(&data[0x0d], 18);
2413 setword(&data[0x0f], 2);
2414 setword(&data[0x11], 0);
2415 if (!limited)
2416 {
2417 setword(&data[0x1f], 80);
2418 data[0x21] = 7;
2419 setword(&data[0x22], 2);
2420 }
2421 }
2422 }
2423
2424 inline DWORD INT21_Ioctl_CylHeadSect2Lin(DWORD cyl, WORD head, WORD sec, WORD cyl_cnt, WORD head_cnt, WORD sec_cnt)
2425 {
2426 DWORD res = (cyl * head_cnt*sec_cnt + head * sec_cnt + sec);
2427 return res;
2428 }
2429
2430 /***********************************************************************
2431 * INT21_Ioctl_Block
2432 *
2433 * Handler for block device IOCTLs.
2434 */
2435 static void INT21_Ioctl_Block( CONTEXT86 *context )
2436 {
2437 BYTE *dataptr;
2438 BYTE drive = INT21_MapDrive( BL_reg(context) );
2439 WCHAR drivespec[4] = {'A', ':', '\\', 0};
2440 UINT drivetype;
2441
2442 drivespec[0] += drive;
2443 drivetype = GetDriveTypeW( drivespec );
2444
2445 RESET_CFLAG(context);
2446 if (drivetype == DRIVE_UNKNOWN || drivetype == DRIVE_NO_ROOT_DIR)
2447 {
2448 TRACE( "IOCTL - SUBFUNCTION %d - INVALID DRIVE %c:\n",
2449 AL_reg(context), 'A' + drive );
2450 SetLastError( ERROR_INVALID_DRIVE );
2451 SET_AX( context, ERROR_INVALID_DRIVE );
2452 SET_CFLAG( context );
2453 return;
2454 }
2455
2456 switch (AL_reg(context))
2457 {
2458 case 0x04: /* READ FROM BLOCK DEVICE CONTROL CHANNEL */
2459 case 0x05: /* WRITE TO BLOCK DEVICE CONTROL CHANNEL */
2460 INT_BARF( context, 0x21 );
2461 break;
2462
2463 case 0x08: /* CHECK IF BLOCK DEVICE REMOVABLE */
2464 TRACE( "IOCTL - CHECK IF BLOCK DEVICE REMOVABLE - %c:\n",
2465 'A' + drive );
2466
2467 if (drivetype == DRIVE_REMOVABLE)
2468 SET_AX( context, 0 ); /* removable */
2469 else
2470 SET_AX( context, 1 ); /* not removable */
2471 break;
2472
2473 case 0x09: /* CHECK IF BLOCK DEVICE REMOTE */
2474 TRACE( "IOCTL - CHECK IF BLOCK DEVICE REMOTE - %c:\n",
2475 'A' + drive );
2476
2477 if (drivetype == DRIVE_REMOTE)
2478 SET_DX( context, (1<<9) | (1<<12) ); /* remote + no direct IO */
2479 else
2480 SET_DX( context, 0 ); /* FIXME: use driver attr here */
2481 break;
2482
2483 case 0x0d: /* GENERIC BLOCK DEVICE REQUEST */
2484 /* Get pointer to IOCTL parameter block */
2485 dataptr = CTX_SEG_OFF_TO_LIN(context, context->SegDs, context->Edx);
2486
2487 switch (CX_reg(context))
2488 {
2489 case 0x0841: /* write logical device track */
2490 TRACE( "GENERIC IOCTL - Write logical device track - %c:\n",
2491 'A' + drive);
2492 {
2493 WORD head = *(WORD *)(dataptr+1);
2494 WORD cyl = *(WORD *)(dataptr+3);
2495 WORD sect = *(WORD *)(dataptr+5);
2496 WORD nrsect = *(WORD *)(dataptr+7);
2497 BYTE *data = CTX_SEG_OFF_TO_LIN(context, *(WORD *)(dataptr+11), *(WORD *)(dataptr+9));
2498 WORD cyl_cnt, head_cnt, sec_cnt;
2499
2500 /* FIXME: we're faking some values here */
2501 if (drive > 1)
2502 {
2503 /* cyl_cnt = 0x300;
2504 head_cnt = 16;
2505 sec_cnt = 255; */
2506 SET_AX( context, ERROR_WRITE_FAULT );
2507 SET_CFLAG(context);
2508 break;
2509 }
2510 else
2511 { /* floppy */
2512 cyl_cnt = 80;
2513 head_cnt = 2;
2514 sec_cnt = 18;
2515 }
2516
2517 if (!DOSVM_RawWrite(drive, INT21_Ioctl_CylHeadSect2Lin(cyl, head, sect, cyl_cnt, head_cnt, sec_cnt), nrsect, data, FALSE))
2518 {
2519 SET_AX( context, ERROR_WRITE_FAULT );
2520 SET_CFLAG(context);
2521 }
2522 }
2523 break;
2524
2525 case 0x084a: /* lock logical volume */
2526 TRACE( "GENERIC IOCTL - Lock logical volume, level %d mode %d - %c:\n",
2527 BH_reg(context), DX_reg(context), 'A' + drive );
2528 break;
2529
2530 case 0x0860: /* get device parameters */
2531 /* FIXME: we're faking some values here */
2532 /* used by w4wgrp's winfile */
2533 memset(dataptr, 0, 0x20); /* DOS 6.22 uses 0x20 bytes */
2534 dataptr[0] = 0x04;
2535 dataptr[6] = 0; /* media type */
2536 if (drive > 1)
2537 {
2538 dataptr[1] = 0x05; /* fixed disk */
2539 setword(&dataptr[2], 0x01); /* non removable */
2540 setword(&dataptr[4], 0x300); /* # of cylinders */
2541 }
2542 else
2543 {
2544 dataptr[1] = 0x07; /* block dev, floppy */
2545 setword(&dataptr[2], 0x02); /* removable */
2546 setword(&dataptr[4], 80); /* # of cylinders */
2547 }
2548 CreateBPB(drive, &dataptr[7], TRUE);
2549 RESET_CFLAG(context);
2550 break;
2551
2552 case 0x0861: /* read logical device track */
2553 TRACE( "GENERIC IOCTL - Read logical device track - %c:\n",
2554 'A' + drive);
2555 {
2556 WORD head = *(WORD *)(dataptr+1);
2557 WORD cyl = *(WORD *)(dataptr+3);
2558 WORD sect = *(WORD *)(dataptr+5);
2559 WORD nrsect = *(WORD *)(dataptr+7);
2560 BYTE *data = CTX_SEG_OFF_TO_LIN(context, *(WORD *)(dataptr+11), *(WORD *)(dataptr+9));
2561 WORD cyl_cnt, head_cnt, sec_cnt;
2562
2563 /* FIXME: we're faking some values here */
2564 if (drive > 1)
2565 {
2566 cyl_cnt = 0x300;
2567 head_cnt = 16;
2568 sec_cnt = 255;
2569 }
2570 else
2571 { /* floppy */
2572 cyl_cnt = 80;
2573 head_cnt = 2;
2574 sec_cnt = 18;
2575 }
2576
2577 if (!DOSVM_RawRead(drive, INT21_Ioctl_CylHeadSect2Lin(cyl, head, sect, cyl_cnt, head_cnt, sec_cnt), nrsect, data, FALSE))
2578 {
2579 SET_AX( context, ERROR_READ_FAULT );
2580 SET_CFLAG(context);
2581 }
2582 }
2583 break;
2584
2585 case 0x0866: /* get volume serial number */
2586 {
2587 WCHAR label[12],fsname[9];
2588 DWORD serial;
2589
2590 drivespec[0] += drive;
2591 GetVolumeInformationW(drivespec, label, 12, &serial, NULL, NULL, fsname, 9);
2592 *(WORD*)dataptr = 0;
2593 memcpy(dataptr+2,&serial,4);
2594 WideCharToMultiByte(CP_OEMCP, 0, label, 11, dataptr + 6, 11, NULL, NULL);
2595 WideCharToMultiByte(CP_OEMCP, 0, fsname, 8, dataptr + 17, 8, NULL, NULL);
2596 }
2597 break;
2598
2599 case 0x086a: /* unlock logical volume */
2600 TRACE( "GENERIC IOCTL - Logical volume unlocked - %c:\n",
2601 'A' + drive );
2602 break;
2603
2604 case 0x086f: /* get drive map information */
2605 memset(dataptr+1, '\0', dataptr[0]-1);
2606 dataptr[1] = dataptr[0];
2607 dataptr[2] = 0x07; /* protected mode driver; no eject; no notification */
2608 dataptr[3] = 0xFF; /* no physical drive */
2609 break;
2610
2611 case 0x0872:
2612 /* Trial and error implementation */
2613 SET_AX( context, drivetype == DRIVE_UNKNOWN ? 0x0f : 0x01 );
2614 SET_CFLAG(context); /* Seems to be set all the time */
2615 break;
2616
2617 default:
2618 INT_BARF( context, 0x21 );
2619 }
2620 break;
2621
2622 case 0x0e: /* GET LOGICAL DRIVE MAP */
2623 TRACE( "IOCTL - GET LOGICAL DRIVE MAP - %c:\n",
2624 'A' + drive );
2625 /* FIXME: this is not correct if drive has mappings */
2626 SET_AL( context, 0 ); /* drive has no mapping */
2627 break;
2628
2629 case 0x0f: /* SET LOGICAL DRIVE MAP */
2630 {
2631 WCHAR dev[3], tgt[4];
2632
2633 TRACE("IOCTL - SET LOGICAL DRIVE MAP for drive %s\n",
2634 INT21_DriveName( BL_reg(context)));
2635 dev[0] = 'A' + drive; dev[1] = ':'; dev[2] = 0;
2636 tgt[0] = 'A' + drive + 1; tgt[1] = ':'; tgt[2] = '\\'; tgt[3] = 0;
2637 if (!DefineDosDeviceW(DDD_RAW_TARGET_PATH, dev, tgt))
2638 {
2639 SET_CFLAG(context);
2640 SET_AX( context, 0x000F ); /* invalid drive */
2641 }
2642 }
2643 break;
2644
2645 case 0x11: /* QUERY GENERIC IOCTL CAPABILITY */
2646 default:
2647 INT_BARF( context, 0x21 );
2648 }
2649 }
2650
2651
2652 /***********************************************************************
2653 * INT21_IoctlScsiMgrHandler
2654 *
2655 * IOCTL handler for the SCSIMGR device.
2656 */
2657 static void INT21_IoctlScsiMgrHandler( CONTEXT86 *context )
2658 {
2659 switch (AL_reg(context))
2660 {
2661 case 0x00: /* GET DEVICE INFORMATION */
2662 SET_DX( context, 0xc0c0 );
2663 break;
2664
2665 case 0x02: /* READ FROM CHARACTER DEVICE CONTROL CHANNEL */
2666 DOSVM_ASPIHandler(context);
2667 break;
2668
2669 case 0x0a: /* CHECK IF HANDLE IS REMOTE */
2670 SET_DX( context, 0 );
2671 break;
2672
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 */
2679 default:
2680 INT_BARF( context, 0x21 );
2681 break;
2682 }
2683 }
2684
2685
2686 /***********************************************************************
2687 * INT21_IoctlEMSHandler
2688 *
2689 * IOCTL handler for the EMXXXX0 device.
2690 */
2691 static void INT21_IoctlEMSHandler( CONTEXT86 *context )
2692 {
2693 EMS_Ioctl_Handler(context);
2694 }
2695
2696
2697 /***********************************************************************
2698 * INT21_IoctlHPScanHandler
2699 *
2700 * IOCTL handler for the HPSCAN device.
2701 */
2702 static void INT21_IoctlHPScanHandler( CONTEXT86 *context )
2703 {
2704 switch (AL_reg(context))
2705 {
2706 case 0x00: /* GET DEVICE INFORMATION */
2707 SET_DX( context, 0xc0c0 );
2708 break;
2709
2710 case 0x0a: /* CHECK IF HANDLE IS REMOTE */
2711 SET_DX( context, 0 );
2712 break;
2713
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 */
2721 default:
2722 INT_BARF( context, 0x21 );
2723 break;
2724 }
2725 }
2726
2727
2728 /***********************************************************************
2729 * INT21_Ioctl_Char
2730 *
2731 * Handler for character device IOCTLs.
2732 */
2733 static void INT21_Ioctl_Char( CONTEXT86 *context )
2734 {
2735 struct stat st;
2736 int status, i, fd;
2737 int IsConsoleIOHandle = 0;
2738 HANDLE handle = DosFileHandleToWin32Handle(BX_reg(context));
2739
2740 status = wine_server_handle_to_fd( handle, 0, &fd, NULL );
2741 if (status)
2742 {
2743 if( VerifyConsoleIoHandle( handle))
2744 IsConsoleIOHandle = 1;
2745 else {
2746 SET_AX( context, RtlNtStatusToDosError(status) );
2747 SET_CFLAG( context );
2748 return;
2749 }
2750 } else {
2751 fstat( fd, &st );
2752 IsConsoleIOHandle = isatty( fd);
2753 wine_server_release_fd( handle, fd );
2754 for (i = 0; i < NB_MAGIC_DEVICES; i++)
2755 {
2756 if (!magic_devices[i].handle) continue;
2757 if (magic_devices[i].dev == st.st_dev &&
2758 magic_devices[i].ino == st.st_ino)
2759 {
2760 /* found it */
2761 magic_devices[i].ioctl_handler( context );
2762 return;
2763 }
2764 }
2765 }
2766
2767 /* no magic device found, do default handling */
2768
2769 switch (AL_reg(context))
2770 {
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))
2774 {
2775 /*
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.
2780 * Bit 8 - Unknown.
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.
2789 */
2790 SET_DX( context, IsConsoleIOHandle ? 0x80c3 : 0x80c0 /* FIXME */ );
2791 }
2792 else
2793 {
2794 /*
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:,...)
2804 *
2805 * FIXME: Should check if file is on remote or removable drive.
2806 * FIXME: Should use drive file is located on (and not current).
2807 */
2808 SET_DX( context, 0x0140 + INT21_GetCurrentDrive() );
2809 }
2810 break;
2811
2812 case 0x0a: /* CHECK IF HANDLE IS REMOTE */
2813 TRACE( "IOCTL - CHECK IF HANDLE IS REMOTE - %d\n", BX_reg(context) );
2814 /*
2815 * Returns attribute word in DX:
2816 * Bit 15 - Set if remote.
2817 * Bit 14 - Set if date/time not set on close.
2818 *
2819 * FIXME: Should check if file is on remote drive.
2820 */
2821 SET_DX( context, 0 );
2822 break;
2823
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 */
2831 default:
2832 INT_BARF( context, 0x21 );
2833 break;
2834 }
2835 }
2836
2837
2838 /***********************************************************************
2839 * INT21_Ioctl
2840 *
2841 * Handler for function 0x44.
2842 */
2843 static void INT21_Ioctl( CONTEXT86 *context )
2844 {
2845 switch (AL_reg(context))
2846 {
2847 case 0x00:
2848 case 0x01:
2849 case 0x02:
2850 case 0x03:
2851 INT21_Ioctl_Char( context );
2852 break;
2853
2854 case 0x04:
2855 case 0x05:
2856 INT21_Ioctl_Block( context );
2857 break;
2858
2859 case 0x06:
2860 case 0x07:
2861 INT21_Ioctl_Char( context );
2862 break;
2863
2864 case 0x08:
2865 case 0x09:
2866 INT21_Ioctl_Block( context );
2867 break;
2868
2869 case 0x0a:
2870 INT21_Ioctl_Char( context );
2871 break;
2872
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))
2877 {
2878 SET_AX( context, 1 );
2879 SET_CFLAG( context );
2880 }
2881 else
2882 {
2883 DOSDEV_SetSharingRetry( CX_reg(context), DX_reg(context) );
2884 RESET_CFLAG( context );
2885 }
2886 break;
2887
2888 case 0x0c:
2889 INT21_Ioctl_Char( context );
2890 break;
2891
2892 case 0x0d:
2893 case 0x0e:
2894 case 0x0f:
2895 INT21_Ioctl_Block( context );
2896 break;
2897
2898 case 0x10:
2899 INT21_Ioctl_Char( context );
2900 break;
2901
2902 case 0x11:
2903 INT21_Ioctl_Block( context );
2904 break;
2905
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 */
2910 break;
2911
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 */
2916 break;
2917
2918 case 0xe0: /* Sun PC-NFS API */
2919 TRACE( "Sun PC-NFS API\n" );
2920 /* not installed */
2921 break;
2922
2923 default:
2924 INT_BARF( context, 0x21 );
2925 }
2926 }
2927
2928
2929 /***********************************************************************
2930 * INT21_Fat32
2931 *
2932 * Handler for function 0x73.
2933 */
2934 static BOOL INT21_Fat32( CONTEXT86 *context )
2935 {
2936 switch (AL_reg(context))
2937 {
2938 case 0x02: /* FAT32 - GET EXTENDED DPB */
2939 {
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);
2944 INT21_DPB *source;
2945
2946 TRACE( "FAT32 - GET EXTENDED DPB %d\n", DL_reg(context) );
2947
2948 if ( CX_reg(context) < sizeof(INT21_DPB) + 2 || *ptr < sizeof(INT21_DPB) )
2949 {
2950 SetLastError( ERROR_BAD_LENGTH );
2951 return FALSE;
2952 }
2953
2954 if ( !INT21_FillDrivePB( drive ) )
2955 {
2956 SetLastError( ERROR_INVALID_DRIVE );
2957 return FALSE;
2958 }
2959
2960 source = &INT21_GetHeapPointer()->misc_dpb_list[drive];
2961
2962 *ptr = sizeof(INT21_DPB);
2963 memcpy( target, source, sizeof(INT21_DPB));
2964
2965 if (LOWORD(context->Esi) != 0xF1A6)
2966 {
2967 target->driver_header = 0;
2968 target->next = 0;
2969 }
2970 else
2971 {
2972 FIXME( "Caller requested driver and next DPB pointers!\n" );
2973 }
2974 }
2975 break;
2976
2977 case 0x03: /* FAT32 - GET EXTENDED FREE SPACE ON DRIVE */
2978 {
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;
2985 DWORD sector_bytes;
2986 DWORD free_clusters;
2987 DWORD total_clusters;
2988
2989 TRACE( "FAT32 - GET EXTENDED FREE SPACE ON DRIVE %s\n", dirA );
2990 MultiByteToWideChar(CP_OEMCP, 0, dirA, -1, dirW, MAX_PATH);
2991
2992 if (CX_reg(context) < 44)
2993 {
2994 SetLastError( ERROR_BAD_LENGTH );
2995 return FALSE;
2996 }
2997
2998 if (!GetDiskFreeSpaceW( dirW, &cluster_sectors, &sector_bytes,
2999 &free_clusters, &total_clusters ))
3000 return FALSE;
3001
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;
3008
3009 /*
3010 * Below we have free/total sectors and
3011 * free/total allocation units without adjustment
3012 * for compression. We fake both using cluster information.
3013 */
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;
3018
3019 /*
3020 * Between (data + 36) and (data + 43) there
3021 * are eight reserved bytes.
3022 */
3023 }
3024 break;
3025
3026 default:
3027 INT_BARF( context, 0x21 );
3028 }
3029
3030 return TRUE;
3031 }
3032
3033 static void INT21_ConvertFindDataWtoA(WIN32_FIND_DATAA *dataA,
3034 const WIN32_FIND_DATAW *dataW)
3035 {
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 );
3046 }
3047
3048 /***********************************************************************
3049 * INT21_LongFilename
3050 *
3051 * Handler for function 0x71.
3052 */
3053 static void INT21_LongFilename( CONTEXT86 *context )
3054 {
3055 BOOL bSetDOSExtendedError = FALSE;
3056 WCHAR pathW[MAX_PATH];
3057 char* pathA;
3058
3059 if (HIBYTE(HIWORD(GetVersion16())) < 0x07)
3060 {
3061 TRACE( "LONG FILENAME - functions supported only under DOS7\n" );
3062 SET_CFLAG( context );
3063 SET_AL( context, 0 );
3064 return;
3065 }
3066
3067 switch (AL_reg(context))
3068 {
3069 case 0x0d: /* RESET DRIVE */
3070 INT_BARF( context, 0x21 );
3071 break;
3072
3073 case 0x39: /* LONG FILENAME - MAKE DIRECTORY */
3074 if (!INT21_CreateDirectory( context ))
3075 bSetDOSExtendedError = TRUE;
3076 break;
3077
3078 case 0x3a: /* LONG FILENAME - REMOVE DIRECTORY */
3079 pathA = CTX_SEG_OFF_TO_LIN(context, context->SegDs, context->Edx);
3080
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;
3084 break;
3085
3086 case 0x3b: /* LONG FILENAME - CHANGE DIRECTORY */
3087 if (!INT21_SetCurrentDirectory( context ))
3088 bSetDOSExtendedError = TRUE;
3089 break;
3090
3091 case 0x41: /* LONG FILENAME - DELETE FILE */
3092 pathA = CTX_SEG_OFF_TO_LIN(context, context->SegDs, context->Edx);
3093
3094 TRACE( "LONG FILENAME - DELETE FILE %s\n", pathA );
3095 MultiByteToWideChar(CP_OEMCP, 0, pathA, -1, pathW, MAX_PATH);
3096
3097 if (!DeleteFileW( pathW )) bSetDOSExtendedError = TRUE;
3098 break;
3099
3100 case 0x43: /* LONG FILENAME - EXTENDED GET/SET FILE ATTRIBUTES */
3101 if (!INT21_FileAttributes( context, BL_reg(context), TRUE ))
3102 bSetDOSExtendedError = TRUE;
3103 break;
3104
3105 case 0x47: /* LONG FILENAME - GET CURRENT DIRECTORY */
3106 if (!INT21_GetCurrentDirectory( context, TRUE ))
3107 bSetDOSExtendedError = TRUE;
3108 break;
3109
3110 case 0x4e: /* LONG FILENAME - FIND FIRST MATCHING FILE */
3111 {
3112 HANDLE handle;
3113 HGLOBAL16 h16;
3114 WIN32_FIND_DATAW dataW;
3115 WIN32_FIND_DATAA* dataA;
3116
3117 pathA = CTX_SEG_OFF_TO_LIN(context, context->SegDs,context->Edx);
3118 TRACE(" LONG FILENAME - FIND FIRST MATCHING FILE for %s\n", pathA);
3119
3120 MultiByteToWideChar(CP_OEMCP, 0, pathA, -1, pathW, MAX_PATH);
3121 handle = FindFirstFileW(pathW, &dataW);
3122
3123 dataA = (WIN32_FIND_DATAA *)CTX_SEG_OFF_TO_LIN(context, context->SegEs,
3124 context->Edi);
3125 if (handle != INVALID_HANDLE_VALUE &&
3126 (h16 = GlobalAlloc16(GMEM_MOVEABLE, sizeof(handle))))
3127 {
3128 HANDLE* ptr = GlobalLock16( h16 );
3129 *ptr = handle;
3130 GlobalUnlock16( h16 );
3131 SET_AX( context, h16 );
3132 INT21_ConvertFindDataWtoA(dataA, &dataW);
3133 }
3134 else
3135 {
3136 if (handle != INVALID_HANDLE_VALUE) FindClose(handle);
3137 SET_AX( context, INVALID_HANDLE_VALUE16);
3138 bSetDOSExtendedError = TRUE;
3139 }
3140 }
3141 break;
3142
3143 case 0x4f: /* LONG FILENAME - FIND NEXT MATCHING FILE */
3144 {
3145 HGLOBAL16 h16 = BX_reg(context);
3146 HANDLE* ptr;
3147 WIN32_FIND_DATAW dataW;
3148 WIN32_FIND_DATAA* dataA;
3149
3150 TRACE("LONG FILENAME - FIND NEXT MATCHING FILE for handle %d\n",
3151 BX_reg(context));
3152
3153 dataA = (WIN32_FIND_DATAA *)CTX_SEG_OFF_TO_LIN(context, context->SegEs,
3154 context->Edi);
3155
3156 if (h16 != INVALID_HANDLE_VALUE16 && (ptr = GlobalLock16( h16 )))
3157 {
3158 if (!FindNextFileW(*ptr, &dataW)) bSetDOSExtendedError = TRUE;
3159 else INT21_ConvertFindDataWtoA(dataA, &dataW);
3160 GlobalUnlock16( h16 );
3161 }
3162 else
3163 {
3164 SetLastError( ERROR_INVALID_HANDLE );
3165 bSetDOSExtendedError = TRUE;
3166 }
3167 }
3168 break;
3169
3170 case 0x56: /* LONG FILENAME - RENAME FILE */
3171 if (!INT21_RenameFile(context))
3172 bSetDOSExtendedError = TRUE;
3173 break;
3174
3175 case 0x60: /* LONG FILENAME - CONVERT PATH */
3176 {
3177 WCHAR res[MAX_PATH];
3178
3179 switch (CL_reg(context))
3180 {
3181 case 0x00: /* "truename" - Canonicalize path */
3182 /*
3183 * FIXME: This is not 100% equal to 0x01 case,
3184 * if you fix this, fix int21 subfunction 0x60, too.
3185 */
3186
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;
3191 else
3192 {
3193 SET_AX( context, 0 );
3194 WideCharToMultiByte(CP_OEMCP, 0, res, -1,
3195 CTX_SEG_OFF_TO_LIN(context, context->SegEs, context->Edi),
3196 67, NULL, NULL);
3197 }
3198 break;
3199
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;
3204 else
3205 {
3206 SET_AX( context, 0 );
3207 WideCharToMultiByte(CP_OEMCP, 0, res, -1,
3208 CTX_SEG_OFF_TO_LIN(context, context->SegEs, context->Edi),
3209 128, NULL, NULL);
3210 }
3211 break;
3212 default:
3213 FIXME("Unimplemented long file name function:\n");
3214 INT_BARF( context, 0x21 );
3215 SET_CFLAG(context);
3216 SET_AL( context, 0 );
3217 break;
3218 }
3219 }
3220 break;
3221
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;
3226 break;
3227
3228 case 0xa0: /* LONG FILENAME - GET VOLUME INFORMATION */
3229 {
3230 DWORD filename_len, flags;
3231 WCHAR dstW[8];
3232
3233 pathA = CTX_SEG_OFF_TO_LIN(context, context->SegDs,context->Edx);
3234
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,
3239 &flags, dstW, 8 ))
3240 {
3241 INT_BARF( context, 0x21 );
3242 SET_CFLAG(context);
3243 break;
3244 }
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),
3250 8, NULL, NULL);
3251 }
3252 break;
3253
3254 case 0xa1: /* LONG FILENAME - "FindClose" - TERMINATE DIRECTORY SEARCH */
3255 {
3256 HGLOBAL16 h16 = BX_reg(context);
3257 HANDLE* ptr;
3258
3259 TRACE("LONG FILENAME - FINDCLOSE for handle %d\n",
3260 BX_reg(context));
3261 if (h16 != INVALID_HANDLE_VALUE16 && (ptr = GlobalLock16( h16 )))
3262 {
3263 if (!FindClose( *ptr )) bSetDOSExtendedError = TRUE;
3264 GlobalUnlock16( h16 );
3265 GlobalFree16( h16 );
3266 }
3267 else
3268 {
3269 SetLastError( ERROR_INVALID_HANDLE );
3270 bSetDOSExtendedError = TRUE;
3271 }
3272 }
3273 break;
3274
3275 case 0xa6: /* LONG FILENAME - GET FILE INFO BY HANDLE */
3276 {
3277 HANDLE handle = DosFileHandleToWin32Handle(BX_reg(context));
3278 BY_HANDLE_FILE_INFORMATION *info =
3279 CTX_SEG_OFF_TO_LIN(context, context->SegDs, context->Edx);
3280
3281 TRACE( "LONG FILENAME - GET FILE INFO BY HANDLE\n" );
3282
3283 if (!GetFileInformationByHandle(handle, info))
3284 bSetDOSExtendedError = TRUE;
3285 }
3286 break;
3287
3288 case 0xa7: /* LONG FILENAME - CONVERT TIME */
3289 switch (BL_reg(context))
3290 {
3291 case 0x00: /* FILE TIME TO DOS TIME */
3292 {
3293 WORD date, time;
3294 FILETIME *filetime = CTX_SEG_OFF_TO_LIN(context,
3295 context->SegDs,
3296 context->Esi);
3297
3298 TRACE( "LONG FILENAME - FILE TIME TO DOS TIME\n" );
3299
3300 FileTimeToDosDateTime( filetime, &date, &time );
3301
3302 SET_DX( context, date );
3303 SET_CX( context, time );
3304
3305 /*
3306 * FIXME: BH has number of 10-millisecond units
3307 * past time in CX.
3308 */
3309 SET_BH( context, 0 );
3310 }
3311 break;
3312
3313 case 0x01: /* DOS TIME TO FILE TIME */
3314 {
3315 FILETIME *filetime = CTX_SEG_OFF_TO_LIN(context,
3316 context->SegEs,
3317 context->Edi);
3318
3319 TRACE( "LONG FILENAME - DOS TIME TO FILE TIME\n" );
3320
3321 /*
3322 * FIXME: BH has number of 10-millisecond units
3323 * past time in CX.
3324 */
3325 DosDateTimeToFileTime( DX_reg(context), CX_reg(context),
3326 filetime );
3327 }
3328 break;
3329
3330 default:
3331 INT_BARF( context, 0x21 );
3332 break;
3333 }
3334 break;
3335
3336 case 0xa8: /* LONG FILENAME - GENERATE SHORT FILENAME */
3337 case 0xa9: /* LONG FILENAME - SERVER CREATE OR OPEN FILE */
3338 case 0xaa: /* LONG FILENAME - SUBST */
3339 default:
3340 FIXME("Unimplemented long file name function:\n");
3341 INT_BARF( context, 0x21 );
3342 SET_CFLAG(context);
3343 SET_AL( context, 0 );
3344 break;
3345 }
3346
3347 if (bSetDOSExtendedError)
3348 {
3349 SET_AX( context, GetLastError() );
3350 SET_CFLAG( context );
3351 }
3352 }
3353
3354
3355 /***********************************************************************
3356 * INT21_RenameFile
3357 *
3358 * Handler for:
3359 * - function 0x56
3360 * - subfunction 0x56 of function 0x71
3361 * - subfunction 0xff of function 0x43 (CL == 0x56)
3362 */
3363 static BOOL INT21_RenameFile( CONTEXT86 *context )
3364 {
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);
3371
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);
3375
3376 return MoveFileW( fromW, toW );
3377 }
3378
3379
3380 /***********************************************************************
3381 * INT21_NetworkFunc
3382 *
3383 * Handler for:
3384 * - function 0x5e
3385 */
3386 static BOOL INT21_NetworkFunc (CONTEXT86 *context)
3387 {
3388 switch (AL_reg(context))
3389 {
3390 case 0x00: /* Get machine name. */
3391 {
3392 WCHAR dstW[MAX_COMPUTERNAME_LENGTH + 1];
3393 DWORD s = sizeof(dstW) / sizeof(WCHAR);
3394 int len;
3395
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))
3400 {
3401 WARN("failed!\n");
3402 SetLastError( ER_NoNetwork );
3403 return TRUE;
3404 }
3405 for (len = strlen(dst); len < 15; len++) dst[len] = ' ';
3406 dst[15] = 0;
3407 SET_CH( context, 1 ); /* Valid */
3408 SET_CL( context, 1 ); /* NETbios number??? */
3409 TRACE("returning %s\n", debugstr_an(dst, 16));
3410 return FALSE;
3411 }
3412
3413 default:
3414 SetLastError( ER_NoNetwork );
3415 return TRUE;
3416 }
3417 }
3418
3419 /******************************************************************
3420 * INT21_GetDiskSerialNumber
3421 *
3422 */
3423 static int INT21_GetDiskSerialNumber( CONTEXT86 *context )
3424 {
3425 BYTE *dataptr = CTX_SEG_OFF_TO_LIN(context, context->SegDs, context->Edx);
3426 WCHAR path[] = {'A',':',0}, label[11];
3427 DWORD serial;
3428
3429 path[0] += INT21_MapDrive(BL_reg(context));
3430 if (!GetVolumeInformationW( path, label, 11, &serial, NULL, NULL, NULL, 0))
3431 {
3432 SetLastError( ERROR_INVALID_DRIVE );
3433 return 0;
3434 }
3435
3436 *(WORD *)dataptr = 0;
3437 memcpy(dataptr + 2, &serial, sizeof(DWORD));
3438 WideCharToMultiByte(CP_OEMCP, 0, label, 11, dataptr + 6, 11, NULL, NULL);
3439 memcpy(dataptr + 17, "FAT16 ", 8);
3440 return 1;
3441 }
3442
3443
3444 /******************************************************************
3445 * INT21_SetDiskSerialNumber
3446 *
3447 */
3448 static int INT21_SetDiskSerialNumber( CONTEXT86 *context )
3449 {
3450 #if 0
3451 BYTE *dataptr = CTX_SEG_OFF_TO_LIN(context, context->SegDs, context->Edx);
3452 int drive = INT21_MapDrive(BL_reg(context));
3453
3454 if (!is_valid_drive(drive))
3455 {
3456 SetLastError( ERROR_INVALID_DRIVE );
3457 return 0;
3458 }
3459
3460 DRIVE_SetSerialNumber( drive, *(DWORD *)(dataptr + 2) );
3461 return 1;
3462 #else
3463 FIXME("Setting drive serial number is no longer supported\n");
3464 SetLastError( ERROR_NOT_SUPPORTED );
3465 return 0;
3466 #endif
3467 }
3468
3469
3470 /******************************************************************
3471 * INT21_GetFreeDiskSpace
3472 *
3473 */
3474 static int INT21_GetFreeDiskSpace( CONTEXT86 *context )
3475 {
3476 DWORD cluster_sectors, sector_bytes, free_clusters, total_clusters;
3477 WCHAR root[] = {'A',':','\\',0};
3478
3479 root[0] += INT21_MapDrive(DL_reg(context));
3480 if (!GetDiskFreeSpaceW( root, &cluster_sectors, &sector_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;
3487 }
3488 SET_AX( context, cluster_sectors );
3489 SET_BX( context, free_clusters );
3490 SET_CX( context, sector_bytes );
3491 SET_DX( context, total_clusters );
3492 return 1;
3493 }
3494
3495 /******************************************************************
3496 * INT21_GetDriveAllocInfo
3497 *
3498 */
3499 static int INT21_GetDriveAllocInfo( CONTEXT86 *context, BYTE drive )
3500 {
3501 INT21_DPB *dpb;
3502
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 );
3509
3510 context->SegDs = INT21_GetHeapSelector( context );
3511 SET_BX( context, offsetof( INT21_HEAP, misc_dpb_list[drive].media_ID ) );
3512 return 1;
3513 }
3514
3515 /***********************************************************************
3516 * INT21_GetExtendedError
3517 */
3518 static void INT21_GetExtendedError( CONTEXT86 *context )
3519 {
3520 BYTE class, action, locus;
3521 WORD error = GetLastError();
3522
3523 switch(error)
3524 {
3525 case ERROR_SUCCESS:
3526 class = action = locus = 0;
3527 break;
3528 case ERROR_DIR_NOT_EMPTY:
3529 class = EC_Exists;
3530 action = SA_Ignore;
3531 locus = EL_Disk;
3532 break;
3533 case ERROR_ACCESS_DENIED:
3534 class = EC_AccessDenied;
3535 action = SA_Abort;
3536 locus = EL_Disk;
3537 break;
3538 case ERROR_CANNOT_MAKE:
3539 class = EC_AccessDenied;
3540 action = SA_Abort;
3541 locus = EL_Unknown;
3542 break;
3543 case ERROR_DISK_FULL:
3544 case ERROR_HANDLE_DISK_FULL:
3545 class = EC_MediaError;
3546 action = SA_Abort;
3547 locus = EL_Disk;
3548 break;
3549 case ERROR_FILE_EXISTS:
3550 case ERROR_ALREADY_EXISTS:
3551 class = EC_Exists;
3552 action = SA_Abort;
3553 locus = EL_Disk;
3554 break;
3555 case ERROR_FILE_NOT_FOUND:
3556 class = EC_NotFound;
3557 action = SA_Abort;
3558 locus = EL_Disk;
3559 break;
3560 case ERROR_GEN_FAILURE:
3561 class = EC_SystemFailure;
3562 action = SA_Abort;
3563 locus = EL_Unknown;
3564 break;
3565 case ERROR_INVALID_DRIVE:
3566 class = EC_MediaError;
3567 action = SA_Abort;
3568 locus = EL_Disk;
3569 break;
3570 case ERROR_INVALID_HANDLE:
3571 class = EC_ProgramError;
3572 action = SA_Abort;
3573 locus = EL_Disk;
3574 break;
3575 case ERROR_LOCK_VIOLATION:
3576 class = EC_AccessDenied;
3577 action = SA_Abort;
3578 locus = EL_Disk;
3579 break;
3580 case ERROR_NO_MORE_FILES:
3581 class = EC_MediaError;
3582 action = SA_Abort;
3583 locus = EL_Disk;
3584 break;
3585 case ER_NoNetwork:
3586 class = EC_NotFound;
3587 action = SA_Abort;
3588 locus = EL_Network;
3589 break;
3590 case ERROR_NOT_ENOUGH_MEMORY:
3591 class = EC_OutOfResource;
3592 action = SA_Abort;
3593 locus = EL_Memory;
3594 break;
3595 case ERROR_PATH_NOT_FOUND:
3596 class = EC_NotFound;
3597 action = SA_Abort;
3598 locus = EL_Disk;
3599 break;
3600 case ERROR_SEEK:
3601 class = EC_NotFound;
3602 action = SA_Ignore;
3603 locus = EL_Disk;
3604 break;
3605 case ERROR_SHARING_VIOLATION:
3606 class = EC_Temporary;
3607 action = SA_Retry;
3608 locus = EL_Disk;
3609 break;
3610 case ERROR_TOO_MANY_OPEN_FILES:
3611 class = EC_ProgramError;
3612 action = SA_Abort;
3613 locus = EL_Disk;
3614 break;
3615 default:
3616 FIXME("Unknown error %d\n", error );
3617 class = EC_SystemFailure;
3618 action = SA_Abort;
3619 locus = EL_Unknown;
3620 break;
3621 }
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 );
3628 }
3629
3630 static BOOL INT21_CreateTempFile( CONTEXT86 *context )
3631 {
3632 static int counter = 0;
3633 char *name = CTX_SEG_OFF_TO_LIN(context, context->SegDs, context->Edx );
3634 char *p = name + strlen(name);
3635
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++ = '\\';
3639
3640 for (;;)
3641 {
3642 sprintf( p, "wine%04x.%03d", (int)getpid(), counter );
3643 counter = (counter + 1) % 1000;
3644
3645 SET_AX( context,
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)
3651 {
3652 TRACE("created %s\n", name );
3653 return TRUE;
3654 }
3655 if (GetLastError() != ERROR_FILE_EXISTS) return FALSE;
3656 }
3657 }
3658
3659 /***********************************************************************
3660 * DOSFS_ToDosFCBFormat
3661 *
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.
3667 */
3668 /* Chars we don't want to see in DOS file names */
3669 static BOOL INT21_ToDosFCBFormat( LPCWSTR name, LPWSTR buffer )
3670 {
3671 static const WCHAR invalid_chars[] = {'*','?','<','>','|','\\','"','+','=',',',';','[',']',' ','\345',0};
3672 LPCWSTR p = name;
3673 int i;
3674
3675 /* Check for "." and ".." */
3676 if (*p == '.')
3677 {
3678 p++;
3679 buffer[0] = '.';
3680 for(i = 1; i < 11; i++) buffer[i] = ' ';
3681 buffer[11] = 0;
3682 if (*p == '.')
3683 {
3684 buffer[1] = '.';
3685 p++;
3686 }
3687 return (!*p || (*p == '/') || (*p == '\\'));
3688 }
3689
3690 for (i = 0; i < 8; i++)
3691 {
3692 switch(*p)
3693 {
3694 case '\0':
3695 case '\\':
3696 case '/':
3697 case '.':
3698 buffer[i] = ' ';
3699 break;
3700 case '?':
3701 p++;
3702 /* fall through */
3703 case '*':
3704 buffer[i] = '?';
3705 break;
3706 default:
3707 if (strchrW( invalid_chars, *p )) return FALSE;
3708 buffer[i] = toupperW(*p);
3709 p++;
3710 break;
3711 }
3712 }
3713
3714 if (*p == '*')
3715 {
3716 /* Skip all chars after wildcard up to first dot */
3717 while (*p && (*p != '/') && (*p != '\\') && (*p != '.')) p++;
3718 }
3719 else
3720 {
3721 /* Check if name too long */
3722 if (*p && (*p != '/') && (*p != '\\') && (*p != '.')) return FALSE;
3723 }
3724 if (*p == '.') p++; /* Skip dot */
3725
3726 for (i = 8; i < 11; i++)
3727 {
3728 switch(*p)
3729 {
3730 case '\0':
3731 case '\\':
3732 case '/':
3733 buffer[i] = ' ';
3734 break;
3735 case '.':
3736 return FALSE; /* Second extension not allowed */
3737 case '?':
3738 p++;
3739 /* fall through */
3740 case '*':
3741 buffer[i] = '?';
3742 break;
3743 default:
3744 if (strchrW( invalid_chars, *p )) return FALSE;
3745 buffer[i] = toupperW(*p);
3746 p++;
3747 break;
3748 }
3749 }
3750 buffer[11] = '\0';
3751
3752 /* at most 3 character of the extension are processed
3753 * is something behind this ?
3754 */
3755 while (*p == '*' || *p == ' ') p++; /* skip wildcards and spaces */
3756 return (!*p || (*p == '/') || (*p == '\\'));
3757 }
3758
3759 static HANDLE INT21_FindHandle;
3760 static const WCHAR *INT21_FindPath; /* will point to current dta->fullPath search */
3761
3762 /******************************************************************
3763 * INT21_FindFirst
3764 */
3765 static int INT21_FindFirst( CONTEXT86 *context )
3766 {
3767 WCHAR *p, *q;
3768 const char *path;
3769 FINDFILE_DTA *dta = (FINDFILE_DTA *)INT21_GetCurrentDTA(context);
3770 WCHAR maskW[12], pathW[MAX_PATH];
3771 static const WCHAR wildcardW[] = {'*','.','*',0};
3772
3773 path = (const char *)CTX_SEG_OFF_TO_LIN(context, context->SegDs, context->Edx);
3774 MultiByteToWideChar(CP_OEMCP, 0, path, -1, pathW, MAX_PATH);
3775
3776 p = strrchrW( pathW, '\\');
3777 q = strrchrW( pathW, '/');
3778 if (q>p) p = q;
3779 if (!p)
3780 {
3781 if (pathW[0] && pathW[1] == ':') p = pathW + 2;
3782 else p = pathW;
3783 }
3784 else p++;
3785
3786 /* Note: terminating NULL in dta->mask overwrites dta->search_attr
3787 * (doesn't matter as it is set below anyway)
3788 */
3789 if (!INT21_ToDosFCBFormat( p, maskW ))
3790 {
3791 SetLastError( ERROR_FILE_NOT_FOUND );
3792 SET_AX( context, ERROR_FILE_NOT_FOUND );
3793 SET_CFLAG(context);
3794 return 0;
3795 }
3796 WideCharToMultiByte(CP_OEMCP, 0, maskW, 12, dta->mask, sizeof(dta->mask), NULL, NULL);
3797
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)
3803 */
3804 dta->drive = toupperW(dta->fullPath[0]) - 'A';
3805 dta->count = 0;
3806 dta->search_attr = CL_reg(context);
3807 return 1;
3808 }
3809
3810 /******************************************************************
3811 * match_short
3812 *
3813 * Check is a short path name (DTA unicode) matches a mask (FCB ansi)
3814 */
3815 static BOOL match_short(LPCWSTR shortW, LPCSTR maskA)
3816 {
3817 WCHAR mask[11], file[12];
3818 int i;
3819
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;
3824 return TRUE;
3825 }
3826
3827 static unsigned INT21_FindHelper(LPCWSTR fullPath, unsigned drive, unsigned count,
3828 LPCSTR mask, unsigned search_attr,
3829 WIN32_FIND_DATAW* entry)
3830 {
3831 unsigned ncalls;
3832
3833 if ((search_attr & ~(FA_UNUSED | FA_ARCHIVE | FA_RDONLY)) == FA_LABEL)
3834 {
3835 WCHAR path[] = {' ',':',0};
3836
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));
3846 return 1;
3847 }
3848
3849 if (!INT21_FindHandle || INT21_FindPath != fullPath || count == 0)
3850 {
3851 if (INT21_FindHandle) FindClose(INT21_FindHandle);
3852 INT21_FindHandle = FindFirstFileW(fullPath, entry);
3853 if (INT21_FindHandle == INVALID_HANDLE_VALUE)
3854 {
3855 INT21_FindHandle = 0;
3856 return 0;
3857 }
3858 INT21_FindPath = fullPath;
3859 /* we need to resync search */
3860 ncalls = count;
3861 }
3862 else ncalls = 1;
3863
3864 while (ncalls-- != 0)
3865 {
3866 if (!FindNextFileW(INT21_FindHandle, entry))
3867 {
3868 FindClose(INT21_FindHandle); INT21_FindHandle = 0;
3869 return 0;
3870 }
3871 }
3872 while (count < 0xffff)
3873 {
3874 count++;
3875 /* Check the file attributes, and path */
3876 if (!(entry->dwFileAttributes & ~search_attr) &&
3877 match_short(entry->cAlternateFileName[0] ? entry->cAlternateFileName : entry->cFileName,
3878 mask))
3879 {
3880 return count;
3881 }
3882 if (!FindNextFileW(INT21_FindHandle, entry))
3883 {
3884 FindClose(INT21_FindHandle); INT21_FindHandle = 0;
3885 return 0;
3886 }
3887 }
3888 WARN("Too many directory entries in %s\n", debugstr_w(fullPath) );
3889 return 0;
3890 }
3891
3892 /******************************************************************
3893 * INT21_FindNext
3894 */
3895 static int INT21_FindNext( CONTEXT86 *context )
3896 {
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;
3900 int n;
3901
3902 if (!dta->fullPath) return 0;
3903
3904 n = INT21_FindHelper(dta->fullPath, dta->drive, dta->count,
3905 dta->mask, attr, &entry);
3906 if (n)
3907 {
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);
3914 else
3915 WideCharToMultiByte(CP_OEMCP, 0, entry.cFileName, -1, dta->filename, 13, NULL, NULL);
3916
3917 if (!memchr(dta->mask,'?',11))
3918 {
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
3922 */
3923 HeapFree( GetProcessHeap(), 0, dta->fullPath );
3924 INT21_FindPath = dta->fullPath = NULL;
3925 }
3926 dta->count = n;
3927 return 1;
3928 }
3929 HeapFree( GetProcessHeap(), 0, dta->fullPath );
3930 INT21_FindPath = dta->fullPath = NULL;
3931 return 0;
3932 }
3933
3934 /* microsoft's programmers should be shot for using CP/M style int21
3935 calls in Windows for Workgroup's winfile.exe */
3936
3937 /******************************************************************
3938 * INT21_FindFirstFCB
3939 *
3940 */
3941 static int INT21_FindFirstFCB( CONTEXT86 *context )
3942 {
3943 BYTE *fcb = (BYTE *)CTX_SEG_OFF_TO_LIN(context, context->SegDs, context->Edx);
3944 FINDFILE_FCB *pFCB;
3945 int drive;
3946 WCHAR p[] = {' ',':',};
3947
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;
3952
3953 p[0] = 'A' + drive;
3954 pFCB->fullPath = HeapAlloc(GetProcessHeap(), 0, MAX_PATH * sizeof(WCHAR));
3955 if (!pFCB->fullPath) return 0;
3956 GetLongPathNameW(p, pFCB->fullPath, MAX_PATH);
3957 pFCB->count = 0;
3958 return 1;
3959 }
3960
3961 /******************************************************************
3962 * INT21_FindNextFCB
3963 *
3964 */
3965 static int INT21_FindNextFCB( CONTEXT86 *context )
3966 {
3967 BYTE *fcb = (BYTE *)CTX_SEG_OFF_TO_LIN(context, context->SegDs, context->Edx);
3968 FINDFILE_FCB *pFCB;
3969 LPBYTE pResult = INT21_GetCurrentDTA(context);
3970 DOS_DIRENTRY_LAYOUT *ddl;
3971 WIN32_FIND_DATAW entry;
3972 BYTE attr;
3973 int n;
3974 WCHAR nameW[12];
3975
3976 if (*fcb == 0xff) /* extended FCB ? */
3977 {
3978 attr = fcb[6];
3979 pFCB = (FINDFILE_FCB *)(fcb + 7);
3980 }
3981 else
3982 {
3983 attr = 0;
3984 pFCB = (FINDFILE_FCB *)fcb;
3985 }
3986
3987 if (!pFCB->fullPath) return 0;
3988 n = INT21_FindHelper(pFCB->fullPath, INT21_MapDrive( pFCB->drive ),
3989 pFCB->count, pFCB->filename, attr, &entry);
3990 if (!n)
3991 {
3992 HeapFree( GetProcessHeap(), 0, pFCB->fullPath );
3993 INT21_FindPath = pFCB->fullPath = NULL;
3994 return 0;
3995 }
3996 pFCB->count += n;
3997
3998 if (*fcb == 0xff)
3999 {
4000 /* place extended FCB header before pResult if called with extended FCB */
4001 *pResult = 0xff;
4002 pResult += 6; /* leave reserved field behind */
4003 *pResult++ = entry.dwFileAttributes;
4004 }
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 );
4013
4014 /* Convert file name to FCB format */
4015 if (entry.cAlternateFileName[0])
4016 INT21_ToDosFCBFormat( entry.cAlternateFileName, nameW );
4017 else
4018 INT21_ToDosFCBFormat( entry.cFileName, nameW );
4019 WideCharToMultiByte(CP_OEMCP, 0, nameW, 11, ddl->filename, 11, NULL, NULL);
4020 return 1;
4021 }
4022
4023
4024 /******************************************************************
4025 * INT21_ParseFileNameIntoFCB
4026 *
4027 */
4028 static void INT21_ParseFileNameIntoFCB( CONTEXT86 *context )
4029 {
4030 char *filename =
4031 CTX_SEG_OFF_TO_LIN(context, context->SegDs, context->Esi );
4032 char *fcb =
4033 CTX_SEG_OFF_TO_LIN(context, context->SegEs, context->Edi );
4034 char *s;
4035 WCHAR *buffer;
4036 WCHAR fcbW[12];
4037 INT buffer_len, len;
4038
4039 SET_AL( context, 0xff ); /* failed */
4040
4041 TRACE("filename: '%s'\n", filename);
4042
4043 s = filename;
4044 while (*s && (*s != ' ') && (*s != '\r') && (*s != '\n'))
4045 s++;
4046 len = filename - s;
4047
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);
4051 buffer[len] = 0;
4052 INT21_ToDosFCBFormat(buffer, fcbW);
4053 HeapFree(GetProcessHeap(), 0, buffer);
4054 WideCharToMultiByte(CP_OEMCP, 0, fcbW, 12, fcb + 1, 12, NULL, NULL);
4055 *fcb = 0;
4056 TRACE("FCB: '%s'\n", fcb + 1);
4057
4058 SET_AL( context, ((strchr(filename, '*')) || (strchr(filename, '$'))) != 0 );
4059
4060 /* point DS:SI to first unparsed character */
4061 SET_SI( context, context->Esi + (int)s - (int)filename );
4062 }
4063
4064 static BOOL INT21_Dup2(HFILE16 hFile1, HFILE16 hFile2)
4065 {
4066 HFILE16 res = HFILE_ERROR16;
4067 HANDLE handle, new_handle;
4068 #define DOS_TABLE_SIZE 256
4069 DWORD map[DOS_TABLE_SIZE / 32];
4070 int i;
4071
4072 handle = DosFileHandleToWin32Handle(hFile1);
4073 if (handle == INVALID_HANDLE_VALUE)
4074 return FALSE;
4075
4076 _lclose16(hFile2);
4077 /* now loop to allocate the same one... */
4078 memset(map, 0, sizeof(map));
4079 for (i = 0; i < DOS_TABLE_SIZE; i++)
4080 {
4081 if (!DuplicateHandle(GetCurrentProcess(), handle,
4082 GetCurrentProcess(), &new_handle,
4083 0, FALSE, DUPLICATE_SAME_ACCESS))
4084 {
4085 res = HFILE_ERROR16;
4086 break;
4087 }
4088 res = Win32HandleToDosFileHandle(new_handle);
4089 if (res == HFILE_ERROR16 || res == hFile2) break;
4090 map[res / 32] |= 1 << (res % 32);
4091 }
4092 /* clean up the allocated slots */
4093 for (i = 0; i < DOS_TABLE_SIZE; i++)
4094 {
4095 if (map[i / 32] & (1 << (i % 32)))
4096 _lclose16((HFILE16)i);
4097 }
4098 return res == hFile2;
4099 }
4100
4101
4102 /***********************************************************************
4103 * DOSVM_Int21Handler
4104 *
4105 * Interrupt 0x21 handler.
4106 */
4107 void WINAPI DOSVM_Int21Handler( CONTEXT86 *context )
4108 {
4109 BOOL bSetDOSExtendedError = FALSE;
4110
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,
4117 context->EFlags );
4118
4119 /*
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.
4123 */
4124 if (AH_reg(context) >= 0x2f && AH_reg(context) != 0x59)
4125 SetLastError(0);
4126
4127 RESET_CFLAG(context); /* Not sure if this is a good idea. */
4128
4129 switch(AH_reg(context))
4130 {
4131 case 0x00: /* TERMINATE PROGRAM */
4132 TRACE("TERMINATE PROGRAM\n");
4133 if (DOSVM_IsWin16())
4134 ExitThread( 0 );
4135 else if(ISV86(context))
4136 MZ_Exit( context, FALSE, 0 );
4137 else
4138 ERR( "Called from DOS protected mode\n" );
4139 break;
4140
4141 case 0x01: /* READ CHARACTER FROM STANDARD INPUT, WITH ECHO */
4142 {
4143 BYTE ascii;
4144 TRACE("DIRECT CHARACTER INPUT WITH ECHO\n");
4145 INT21_ReadChar( &ascii, context );
4146 SET_AL( context, ascii );
4147 /*
4148 * FIXME: What to echo when extended keycodes are read?
4149 */
4150 DOSVM_PutChar(AL_reg(context));
4151 }
4152 break;
4153
4154 case 0x02: /* WRITE CHARACTER TO STANDARD OUTPUT */
4155 TRACE("Write Character to Standard Output\n");
4156 DOSVM_PutChar(DL_reg(context));
4157 break;
4158
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 );
4163 break;
4164
4165 case 0x06: /* DIRECT CONSOLE IN/OUTPUT */
4166 if (DL_reg(context) == 0xff)
4167 {
4168 TRACE("Direct Console Input\n");
4169
4170 if (INT21_ReadChar( NULL, NULL ))
4171 {
4172 BYTE ascii;
4173 INT21_ReadChar( &ascii, context );
4174 SET_AL( context, ascii );
4175 RESET_ZFLAG( context );
4176 }
4177 else
4178 {
4179 /* no character available */
4180 SET_AL( context, 0 );
4181 SET_ZFLAG( context );
4182 }
4183 }
4184 else
4185 {
4186 TRACE("Direct Console Output\n");
4187 DOSVM_PutChar(DL_reg(context));
4188 /*
4189 * At least DOS versions 2.1-7.0 return character
4190 * that was written in AL register.
4191 */
4192 SET_AL( context, DL_reg(context) );
4193 }
4194 break;
4195
4196 case 0x07: /* DIRECT CHARACTER INPUT WITHOUT ECHO */
4197 {
4198 BYTE ascii;
4199 TRACE("DIRECT CHARACTER INPUT WITHOUT ECHO\n");
4200 INT21_ReadChar( &ascii, context );
4201 SET_AL( context, ascii );
4202 }
4203 break;
4204
4205 case 0x08: /* CHARACTER INPUT WITHOUT ECHO */
4206 {
4207 BYTE ascii;
4208 TRACE("CHARACTER INPUT WITHOUT ECHO\n");
4209 INT21_ReadChar( &ascii, context );
4210 SET_AL( context, ascii );
4211 }
4212 break;
4213
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) );
4217 {
4218 LPSTR data = CTX_SEG_OFF_TO_LIN( context,
4219 context->SegDs, context->Edx );
4220 LPSTR p = data;
4221 DWORD w;
4222 /*
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-'$' strings, but DOS doesn't.
4226 */
4227 while (*p != '$') p++;
4228
4229 if (DOSVM_IsWin16())
4230 WriteFile( DosFileHandleToWin32Handle(1),
4231 data, p - data, &w, NULL );
4232 else
4233 for(; data != p; data++)
4234 DOSVM_PutChar( *data );
4235
4236 SET_AL( context, '$' ); /* yes, '$' (0x24) gets returned in AL */
4237 }
4238 break;
4239
4240 case 0x0a: /* BUFFERED INPUT */
4241 {
4242 BYTE *ptr = CTX_SEG_OFF_TO_LIN(context,
4243 context->SegDs,
4244 context->Edx);
4245 WORD result;
4246
4247 TRACE( "BUFFERED INPUT (size=%d)\n", ptr[0] );
4248
4249 /*
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
4253 * this at all.
4254 */
4255 if (ptr[1])
4256 TRACE( "Handle old chars in buffer!\n" );
4257
4258 /*
4259 * ptr[0] - capacity (includes terminating CR)
4260 * ptr[1] - characters read (excludes terminating CR)
4261 */
4262 result = INT21_BufferedInput( context, ptr + 2, ptr[0] );
4263 if (result > 0)
4264 ptr[1] = (BYTE)result - 1;
4265 else
4266 ptr[1] = 0;
4267 }
4268 break;
4269
4270 case 0x0b: /* GET STDIN STATUS */
4271 TRACE( "GET STDIN STATUS\n" );
4272 {
4273 if (INT21_ReadChar( NULL, NULL ))
4274 SET_AL( context, 0xff ); /* character available */
4275 else
4276 SET_AL( context, 0 ); /* no character available */
4277 }
4278 break;
4279
4280 case 0x0c: /* FLUSH BUFFER AND READ STANDARD INPUT */
4281 {
4282 BYTE al = AL_reg(context); /* Input function to execute after flush. */
4283
4284 TRACE( "FLUSH BUFFER AND READ STANDARD INPUT - 0x%02x\n", al );
4285
4286 /* FIXME: buffers are not flushed */
4287
4288 /*
4289 * If AL is one of 0x01, 0x06, 0x07, 0x08, or 0x0a,
4290 * int21 function identified by AL will be called.
4291 */
4292 if(al == 0x01 || al == 0x06 || al == 0x07 || al == 0x08 || al == 0x0a)
4293 {
4294 SET_AH( context, al );
4295 DOSVM_Int21Handler( context );
4296 }
4297 }
4298 break;
4299
4300 case 0x0d: /* DISK BUFFER FLUSH */
4301 TRACE("DISK BUFFER FLUSH ignored\n");
4302 break;
4303
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 );
4308 break;
4309
4310 case 0x0f: /* OPEN FILE USING FCB */
4311 INT21_OpenFileUsingFCB( context );
4312 break;
4313
4314 case 0x10: /* CLOSE FILE USING FCB */
4315 INT21_CloseFileUsingFCB( context );
4316 break;
4317
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))
4322 {
4323 SET_AL( context, 0xff );
4324 break;
4325 }
4326 /* else fall through */
4327
4328 case 0x12: /* FIND NEXT MATCHING FILE USING FCB */
4329 SET_AL( context, INT21_FindNextFCB(context) ? 0x00 : 0xff );
4330 break;
4331
4332 case 0x13: /* DELETE FILE USING FCB */
4333 INT_BARF( context, 0x21 );
4334 break;
4335
4336 case 0x14: /* SEQUENTIAL READ FROM FCB FILE */
4337 INT21_SequentialReadFromFCB( context );
4338 break;
4339
4340 case 0x15: /* SEQUENTIAL WRITE TO FCB FILE */
4341 INT21_SequentialWriteToFCB( context );
4342 break;
4343
4344 case 0x16: /* CREATE OR TRUNCATE FILE USING FCB */
4345 case 0x17: /* RENAME FILE USING FCB */
4346 INT_BARF( context, 0x21 );
4347 break;
4348
4349 case 0x18: /* NULL FUNCTION FOR CP/M COMPATIBILITY */
4350 SET_AL( context, 0 );
4351 break;
4352
4353 case 0x19: /* GET CURRENT DEFAULT DRIVE */
4354 SET_AL( context, INT21_GetCurrentDrive() );
4355 TRACE( "GET CURRENT DRIVE -> %c:\n", 'A' + AL_reg( context ) );
4356 break;
4357
4358 case 0x1a: /* SET DISK TRANSFER AREA ADDRESS */
4359 TRACE( "SET DISK TRANSFER AREA ADDRESS %04lX:%04X\n",
4360 context->SegDs, DX_reg(context) );
4361 {
4362 TDB *task = GlobalLock16( GetCurrentTask() );
4363 task->dta = MAKESEGPTR( context->SegDs, DX_reg(context) );
4364 }
4365 break;
4366
4367 case 0x1b: /* GET ALLOCATION INFORMATION FOR DEFAULT DRIVE */
4368 if (!INT21_GetDriveAllocInfo(context, 0))
4369 SET_AX( context, 0xffff );
4370 break;
4371
4372 case 0x1c: /* GET ALLOCATION INFORMATION FOR SPECIFIC DRIVE */
4373 if (!INT21_GetDriveAllocInfo(context, DL_reg(context)))
4374 SET_AX( context, 0xffff );
4375 break;
4376
4377 case 0x1d: /* NULL FUNCTION FOR CP/M COMPATIBILITY */
4378 case 0x1e: /* NULL FUNCTION FOR CP/M COMPATIBILITY */
4379 SET_AL( context, 0 );
4380 break;
4381
4382 case 0x1f: /* GET DRIVE PARAMETER BLOCK FOR DEFAULT DRIVE */
4383 {
4384 BYTE drive = INT21_MapDrive( 0 );
4385 TRACE( "GET DPB FOR DEFAULT DRIVE\n" );
4386
4387 if (INT21_FillDrivePB( drive ))
4388 {
4389 SET_AL( context, 0x00 ); /* success */
4390 SET_BX( context, offsetof( INT21_HEAP, misc_dpb_list[drive] ) );
4391 context->SegDs = INT21_GetHeapSelector( context );
4392 }
4393 else
4394 {
4395 SET_AL( context, 0xff ); /* invalid or network drive */
4396 }
4397 }
4398 break;
4399
4400 case 0x20: /* NULL FUNCTION FOR CP/M COMPATIBILITY */
4401 SET_AL( context, 0 );
4402 break;
4403
4404 case 0x21: /* READ RANDOM RECORD FROM FCB FILE */
4405 INT21_ReadRandomRecordFromFCB( context );
4406 break;
4407
4408 case 0x22: /* WRITE RANDOM RECORD TO FCB FILE */
4409 INT21_WriteRandomRecordToFCB( context );
4410 break;
4411
4412 case 0x23: /* GET FILE SIZE FOR FCB */
4413 case 0x24: /* SET RANDOM RECORD NUMBER FOR FCB */
4414 INT_BARF( context, 0x21 );
4415 break;
4416
4417 case 0x25: /* SET INTERRUPT VECTOR */
4418 TRACE("SET INTERRUPT VECTOR 0x%02x\n",AL_reg(context));
4419 {
4420 FARPROC16 ptr = (FARPROC16)MAKESEGPTR( context->SegDs, DX_reg(context) );
4421 if (!ISV86(context) && DOSVM_IsWin16())
4422 DOSVM_SetPMHandler16( AL_reg(context), ptr );
4423 else
4424 DOSVM_SetRMHandler( AL_reg(context), ptr );
4425 }
4426 break;
4427
4428 case 0x26: /* CREATE NEW PROGRAM SEGMENT PREFIX */
4429 INT_BARF( context, 0x21 );
4430 break;
4431
4432 case 0x27: /* RANDOM BLOCK READ FROM FCB FILE */
4433 INT21_RandomBlockReadFromFCB( context );
4434 break;
4435
4436 case 0x28: /* RANDOM BLOCK WRITE TO FCB FILE */
4437 INT21_RandomBlockWriteToFCB( context );
4438 break;
4439
4440 case 0x29: /* PARSE FILENAME INTO FCB */
4441 INT21_ParseFileNameIntoFCB(context);
4442 break;
4443
4444 case 0x2a: /* GET SYSTEM DATE */
4445 TRACE( "GET SYSTEM DATE\n" );
4446 {
4447 SYSTEMTIME systime;
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 );
4453 }
4454 break;
4455
4456 case 0x2b: /* SET SYSTEM DATE */
4457 TRACE( "SET SYSTEM DATE\n" );
4458 {
4459 WORD year = CX_reg(context);
4460 BYTE month = DH_reg(context);
4461 BYTE day = DL_reg(context);
4462
4463 if (year >= 1980 && year <= 2099 &&
4464 month >= 1 && month <= 12 &&
4465 day >= 1 && day <= 31)
4466 {
4467 FIXME( "SetSystemDate(%02d/%02d/%04d): not allowed\n",
4468 day, month, year );
4469 SET_AL( context, 0 ); /* Let's pretend we succeeded */
4470 }
4471 else
4472 {
4473 SET_AL( context, 0xff ); /* invalid date */
4474 TRACE( "SetSystemDate(%02d/%02d/%04d): invalid date\n",
4475 day, month, year );
4476 }
4477 }
4478 break;
4479
4480 case 0x2c: /* GET SYSTEM TIME */
4481 TRACE( "GET SYSTEM TIME\n" );
4482 {
4483 SYSTEMTIME systime;
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 );
4489 }
4490 break;
4491
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 );
4498 }
4499 else
4500 {
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 */
4505 }
4506 break;
4507
4508 case 0x2e: /* SET VERIFY FLAG */
4509 TRACE("SET VERIFY FLAG ignored\n");
4510 /* we cannot change the behaviour anyway, so just ignore it */
4511 break;
4512
4513 case 0x2f: /* GET DISK TRANSFER AREA ADDRESS */
4514 TRACE( "GET DISK TRANSFER AREA ADDRESS\n" );
4515 {
4516 TDB *task = GlobalLock16( GetCurrentTask() );
4517 context->SegEs = SELECTOROF( task->dta );
4518 SET_BX( context, OFFSETOF( task->dta ) );
4519 }
4520 break;
4521
4522 case 0x30: /* GET DOS VERSION */
4523 TRACE( "GET DOS VERSION - %s requested\n",
4524 (AL_reg(context) == 0x00) ? "OEM number" : "version flag" );
4525
4526 if (AL_reg(context) == 0x00)
4527 SET_BH( context, 0xff ); /* OEM number => undefined */
4528 else
4529 SET_BH( context, 0x08 ); /* version flag => DOS is in ROM */
4530
4531 SET_AL( context, HIBYTE(HIWORD(GetVersion16())) ); /* major version */
4532 SET_AH( context, LOBYTE(HIWORD(GetVersion16())) ); /* minor version */
4533
4534 SET_BL( context, 0x12 ); /* 0x123456 is 24-bit Wine's serial # */
4535 SET_CX( context, 0x3456 );
4536 break;
4537
4538 case 0x31: /* TERMINATE AND STAY RESIDENT */
4539 FIXME("TERMINATE AND STAY RESIDENT stub\n");
4540 break;
4541
4542 case 0x32: /* GET DOS DRIVE PARAMETER BLOCK FOR SPECIFIC DRIVE */
4543 {
4544 BYTE drive = INT21_MapDrive( DL_reg(context) );
4545 TRACE( "GET DPB FOR SPECIFIC DRIVE %d\n", DL_reg(context) );
4546
4547 if (INT21_FillDrivePB( drive ))
4548 {
4549 SET_AL( context, 0x00 ); /* success */
4550 SET_DX( context, offsetof( INT21_HEAP, misc_dpb_list[drive] ) );
4551 context->SegDs = INT21_GetHeapSelector( context );
4552 }
4553 else
4554 {
4555 SET_AL( context, 0xff ); /* invalid or network drive */
4556 }
4557 }
4558 break;
4559
4560 case 0x33: /* MULTIPLEXED */
4561 switch (AL_reg(context))
4562 {
4563 case 0x00: /* GET CURRENT EXTENDED BREAK STATE */
4564 TRACE("GET CURRENT EXTENDED BREAK STATE\n");
4565 SET_DL( context, DOSCONF_GetConfig()->brk_flag );
4566 break;
4567
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;
4571 break;
4572
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))
4577 {
4578 SET_DL( context, DOSCONF_GetConfig()->brk_flag );
4579 DOSCONF_GetConfig()->brk_flag = 1;
4580 }
4581 else
4582 {
4583 SET_DL( context, DOSCONF_GetConfig()->brk_flag );
4584 DOSCONF_GetConfig()->brk_flag = 0;
4585 }
4586 break;
4587
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)*/
4592 break;
4593
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 */
4600 break;
4601
4602 default:
4603 INT_BARF( context, 0x21 );
4604 break;
4605 }
4606 break;
4607
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) );
4612 break;
4613
4614 case 0x35: /* GET INTERRUPT VECTOR */
4615 TRACE("GET INTERRUPT VECTOR 0x%02x\n",AL_reg(context));
4616 {
4617 FARPROC16 addr;
4618 if (!ISV86(context) && DOSVM_IsWin16())
4619 addr = DOSVM_GetPMHandler16( AL_reg(context) );
4620 else
4621 addr = DOSVM_GetRMHandler( AL_reg(context) );
4622 context->SegEs = SELECTOROF(addr);
4623 SET_BX( context, OFFSETOF(addr) );
4624 }
4625 break;
4626
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 );
4631 break;
4632
4633 case 0x37: /* SWITCHAR */
4634 {
4635 switch (AL_reg(context))
4636 {
4637 case 0x00: /* "SWITCHAR" - GET SWITCH CHARACTER */
4638 TRACE( "SWITCHAR - GET SWITCH CHARACTER\n" );
4639 SET_AL( context, 0x00 ); /* success*/
4640 SET_DL( context, '/' );
4641 break;
4642 case 0x01: /*"SWITCHAR" - SET SWITCH CHARACTER*/
4643 FIXME( "SWITCHAR - SET SWITCH CHARACTER: %c\n",
4644 DL_reg( context ));
4645 SET_AL( context, 0x00 ); /* success*/
4646 break;
4647 default:
4648 INT_BARF( context, 0x21 );
4649 break;
4650 }
4651 }
4652 break;
4653
4654 case 0x38: /* GET COUNTRY-SPECIFIC INFORMATION */
4655 TRACE( "GET COUNTRY-SPECIFIC INFORMATION\n" );
4656 if (AL_reg(context))
4657 {
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 );
4663 SET_AX(context, 2);
4664 SET_CFLAG(context);
4665 }
4666 }
4667 if(AX_reg(context) != 2 )
4668 {
4669 INT21_FillCountryInformation( CTX_SEG_OFF_TO_LIN(context,
4670 context->SegDs,
4671 context->Edx) );
4672 SET_AX( context, INT21_GetSystemCountryCode() );
4673 SET_BX( context, INT21_GetSystemCountryCode() );
4674 RESET_CFLAG(context);
4675 }
4676 break;
4677
4678 case 0x39: /* "MKDIR" - CREATE SUBDIRECTORY */
4679 if (!INT21_CreateDirectory( context ))
4680 bSetDOSExtendedError = TRUE;
4681 else
4682 RESET_CFLAG(context);
4683 break;
4684
4685 case 0x3a: /* "RMDIR" - REMOVE DIRECTORY */
4686 {
4687 WCHAR dirW[MAX_PATH];
4688 char *dirA = CTX_SEG_OFF_TO_LIN(context,
4689 context->SegDs, context->Edx);
4690
4691 TRACE( "REMOVE DIRECTORY %s\n", dirA );
4692
4693 MultiByteToWideChar(CP_OEMCP, 0, dirA, -1, dirW, MAX_PATH);
4694
4695 if (!RemoveDirectoryW( dirW ))
4696 bSetDOSExtendedError = TRUE;
4697 else
4698 RESET_CFLAG(context);
4699 }
4700 break;
4701
4702 case 0x3b: /* "CHDIR" - SET CURRENT DIRECTORY */
4703 if (!INT21_SetCurrentDirectory( context ))
4704 bSetDOSExtendedError = TRUE;
4705 else
4706 RESET_CFLAG(context);
4707 break;
4708
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;
4713 else
4714 RESET_CFLAG(context);
4715 break;
4716
4717 case 0x3d: /* "OPEN" - OPEN EXISTING FILE */
4718 if (!INT21_CreateFile( context, context->Edx, FALSE,
4719 AL_reg(context), 0x01 ))
4720 bSetDOSExtendedError = TRUE;
4721 else
4722 RESET_CFLAG(context);
4723 break;
4724
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;
4729 else
4730 RESET_CFLAG(context);
4731 break;
4732
4733 case 0x3f: /* "READ" - READ FROM FILE OR DEVICE */
4734 TRACE( "READ from %d to %04lX:%04X for %d bytes\n",
4735 BX_reg(context),
4736 context->SegDs,
4737 DX_reg(context),
4738 CX_reg(context) );
4739 {
4740 DWORD result;
4741 WORD count = CX_reg(context);
4742 BYTE *buffer = CTX_SEG_OFF_TO_LIN( context,
4743 context->SegDs,
4744 context->Edx );
4745
4746 /* Some programs pass a count larger than the allocated buffer */
4747 if (DOSVM_IsWin16())
4748 {
4749 WORD maxcount = GetSelectorLimit16( context->SegDs )
4750 - DX_reg(context) + 1;
4751 if (count > maxcount)
4752 count = maxcount;
4753 }
4754
4755 /*
4756 * FIXME: Reading from console (BX=1) in DOS mode
4757 * does not work as it is supposed to work.
4758 */
4759
4760 RESET_CFLAG(context); /* set if error */
4761 if (!DOSVM_IsWin16() && BX_reg(context) == 0)
4762 {
4763 result = INT21_BufferedInput( context, buffer, count );
4764 SET_AX( context, (WORD)result );
4765 }
4766 else if (ReadFile( DosFileHandleToWin32Handle(BX_reg(context)),
4767 buffer, count, &result, NULL ))
4768 SET_AX( context, (WORD)result );
4769 else
4770 bSetDOSExtendedError = TRUE;
4771 }
4772 break;
4773
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) );
4778 {
4779 BYTE *ptr = CTX_SEG_OFF_TO_LIN(context, context->SegDs, context->Edx);
4780
4781 if (!DOSVM_IsWin16() &&
4782 (BX_reg(context) == 1 || BX_reg(context) == 2))
4783 {
4784 int i;
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);
4789 }
4790 else
4791 {
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;
4796 else
4797 {
4798 SET_AX( context, (WORD)result );
4799 RESET_CFLAG(context);
4800 }
4801 }
4802 }
4803 break;
4804
4805 case 0x41: /* "UNLINK" - DELETE FILE */
4806 {
4807 WCHAR fileW[MAX_PATH];
4808 char *fileA = CTX_SEG_OFF_TO_LIN(context,
4809 context->SegDs,
4810 context->Edx);
4811
4812 TRACE( "UNLINK %s\n", fileA );
4813 MultiByteToWideChar(CP_OEMCP, 0, fileA, -1, fileW, MAX_PATH);
4814
4815 if (!DeleteFileW( fileW ))
4816 bSetDOSExtendedError = TRUE;
4817 else
4818 RESET_CFLAG(context);
4819 }
4820 break;
4821
4822 case 0x42: /* "LSEEK" - SET CURRENT FILE POSITION */
4823 TRACE( "LSEEK handle %d offset %ld from %s\n",
4824 BX_reg(context),
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") );
4829 {
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;
4836 else
4837 {
4838 SET_AX( context, LOWORD(status) );
4839 SET_DX( context, HIWORD(status) );
4840 RESET_CFLAG(context);
4841 }
4842 }
4843 break;
4844
4845 case 0x43: /* FILE ATTRIBUTES */
4846 if (!INT21_FileAttributes( context, AL_reg(context), FALSE ))
4847 bSetDOSExtendedError = TRUE;
4848 else
4849 RESET_CFLAG(context);
4850 break;
4851
4852 case 0x44: /* IOCTL */
4853 INT21_Ioctl( context );
4854 break;
4855
4856 case 0x45: /* "DUP" - DUPLICATE FILE HANDLE */
4857 TRACE( "DUPLICATE FILE HANDLE %d\n", BX_reg(context) );
4858 {
4859 HANDLE handle32;
4860 HFILE handle16 = HFILE_ERROR;
4861
4862 if (DuplicateHandle( GetCurrentProcess(),
4863 DosFileHandleToWin32Handle(BX_reg(context)),
4864 GetCurrentProcess(),
4865 &handle32,
4866 0, TRUE, DUPLICATE_SAME_ACCESS ))
4867 handle16 = Win32HandleToDosFileHandle(handle32);
4868
4869 if (handle16 == HFILE_ERROR)
4870 bSetDOSExtendedError = TRUE;
4871 else
4872 {
4873 SET_AX( context, handle16 );
4874 RESET_CFLAG(context);
4875 }
4876 }
4877 break;
4878
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;
4884 else
4885 RESET_CFLAG(context);
4886 break;
4887
4888 case 0x47: /* "CWD" - GET CURRENT DIRECTORY */
4889 if (!INT21_GetCurrentDirectory( context, FALSE ))
4890 bSetDOSExtendedError = TRUE;
4891 else
4892 RESET_CFLAG(context);
4893 break;
4894
4895 case 0x48: /* ALLOCATE MEMORY */
4896 TRACE( "ALLOCATE MEMORY for %d paragraphs\n", BX_reg(context) );
4897 {
4898 WORD selector = 0;
4899 DWORD bytes = (DWORD)BX_reg(context) << 4;
4900
4901 if (!ISV86(context) && DOSVM_IsWin16())
4902 {
4903 DWORD rv = GlobalDOSAlloc16( bytes );
4904 selector = LOWORD( rv );
4905 }
4906 else
4907 DOSMEM_AllocBlock( bytes, &selector );
4908
4909 if (selector)
4910 {
4911 SET_AX( context, selector );
4912 RESET_CFLAG(context);
4913 }
4914 else
4915 {
4916 SET_CFLAG(context);
4917 SET_AX( context, 0x0008 ); /* insufficient memory */
4918 SET_BX( context, DOSMEM_Available() >> 4 );
4919 }
4920 }
4921 break;
4922
4923 case 0x49: /* FREE MEMORY */
4924 TRACE( "FREE MEMORY segment %04lX\n", context->SegEs );
4925 {
4926 BOOL ok;
4927
4928 if (!ISV86(context) && DOSVM_IsWin16())
4929 {
4930 ok = !GlobalDOSFree16( context->SegEs );
4931
4932 /* If we don't reset ES_reg, we will fail in the relay code */
4933 if (ok)
4934 context->SegEs = 0;
4935 }
4936 else
4937 ok = DOSMEM_FreeBlock( PTR_REAL_TO_LIN(context->SegEs, 0) );
4938
4939 if (!ok)
4940 {
4941 TRACE("FREE MEMORY failed\n");
4942 SET_CFLAG(context);
4943 SET_AX( context, 0x0009 ); /* memory block address invalid */
4944 }
4945 }
4946 break;
4947
4948 case 0x4a: /* RESIZE MEMORY BLOCK */
4949 TRACE( "RESIZE MEMORY segment %04lX to %d paragraphs\n",
4950 context->SegEs, BX_reg(context) );
4951 {
4952 DWORD newsize = (DWORD)BX_reg(context) << 4;
4953
4954 if (!ISV86(context) && DOSVM_IsWin16())
4955 {
4956 FIXME( "Resize memory block - unsupported under Win16\n" );
4957 SET_CFLAG(context);
4958 }
4959 else
4960 {
4961 LPVOID address = (void*)((DWORD)context->SegEs << 4);
4962 UINT blocksize = DOSMEM_ResizeBlock( address, newsize, FALSE );
4963
4964 RESET_CFLAG(context);
4965 if (blocksize == (UINT)-1)
4966 {
4967 SET_CFLAG( context );
4968 SET_AX( context, 0x0009 ); /* illegal address */
4969 }
4970 else if(blocksize != newsize)
4971 {
4972 SET_CFLAG( context );
4973 SET_AX( context, 0x0008 ); /* insufficient memory */
4974 SET_BX( context, blocksize >> 4 ); /* new block size */
4975 }
4976 }
4977 }
4978 break;
4979
4980 case 0x4b: /* "EXEC" - LOAD AND/OR EXECUTE PROGRAM */
4981 {
4982 BYTE *program = CTX_SEG_OFF_TO_LIN(context, context->SegDs, context->Edx);
4983 BYTE *paramblk = CTX_SEG_OFF_TO_LIN(context, context->SegEs, context->Ebx);
4984
4985 TRACE( "EXEC %s\n", program );
4986
4987 RESET_CFLAG(context);
4988 if (DOSVM_IsWin16())
4989 {
4990 HINSTANCE16 instance = WinExec16( program, SW_NORMAL );
4991 if (instance < 32)
4992 {
4993 SET_CFLAG( context );
4994 SET_AX( context, instance );
4995 }
4996 }
4997 else
4998 {
4999 if (!MZ_Exec( context, program, AL_reg(context), paramblk))
5000 bSetDOSExtendedError = TRUE;
5001 }
5002 }
5003 break;
5004
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) );
5011 else
5012 {
5013 /*
5014 * Exit from DPMI.
5015 */
5016 DWORD rv = AL_reg(context);
5017 RaiseException( EXCEPTION_VM86_INTx, 0, 1, &rv );
5018 }
5019 break;
5020
5021 case 0x4d: /* GET RETURN CODE */
5022 TRACE("GET RETURN CODE (ERRORLEVEL)\n");
5023 SET_AX( context, DOSVM_retval );
5024 DOSVM_retval = 0;
5025 break;
5026
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;
5031 /* fall through */
5032
5033 case 0x4f: /* "FINDNEXT" - FIND NEXT MATCHING FILE */
5034 TRACE("FINDNEXT\n");
5035 if (!INT21_FindNext(context))
5036 {
5037 SetLastError( ERROR_NO_MORE_FILES );
5038 SET_AX( context, ERROR_NO_MORE_FILES );
5039 SET_CFLAG(context);
5040 }
5041 else SET_AX( context, 0 ); /* OK */
5042 break;
5043
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);
5047 break;
5048
5049 case 0x51: /* GET PSP ADDRESS */
5050 INT21_GetPSP( context );
5051 break;
5052
5053 case 0x52: /* "SYSVARS" - GET LIST OF LISTS */
5054 {
5055 SEGPTR ptr = DOSDEV_GetLOL( ISV86(context) || !DOSVM_IsWin16() );
5056 context->SegEs = SELECTOROF(ptr);
5057 SET_BX( context, OFFSETOF(ptr) );
5058 }
5059 break;
5060
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 */
5064 break;
5065
5066 case 0x56: /* "RENAME" - RENAME FILE */
5067 if (!INT21_RenameFile( context ))
5068 bSetDOSExtendedError = TRUE;
5069 else
5070 RESET_CFLAG(context);
5071 break;
5072
5073 case 0x57: /* FILE DATE AND TIME */
5074 if (!INT21_FileDateTime( context ))
5075 bSetDOSExtendedError = TRUE;
5076 else
5077 RESET_CFLAG(context);
5078 break;
5079
5080 case 0x58: /* GET OR SET MEMORY ALLOCATION STRATEGY */
5081 switch (AL_reg(context))
5082 {
5083 case 0x00: /* GET MEMORY ALLOCATION STRATEGY */
5084 TRACE( "GET MEMORY ALLOCATION STRATEGY\n" );
5085 SET_AX( context, 0 ); /* low memory first fit */
5086 break;
5087
5088 case 0x01: /* SET ALLOCATION STRATEGY */
5089 TRACE( "SET MEMORY ALLOCATION STRATEGY to %d - ignored\n",
5090 BL_reg(context) );
5091 break;
5092
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 */
5096 break;
5097
5098 case 0x03: /* SET UMB LINK STATE */
5099 TRACE( "SET UMB LINK STATE to %d - ignored\n",
5100 BX_reg(context) );
5101 break;
5102
5103 default:
5104 INT_BARF( context, 0x21 );
5105 }
5106 break;
5107
5108 case 0x59: /* GET EXTENDED ERROR INFO */
5109 INT21_GetExtendedError( context );
5110 break;
5111
5112 case 0x5a: /* CREATE TEMPORARY FILE */
5113 TRACE("CREATE TEMPORARY FILE\n");
5114 bSetDOSExtendedError = !INT21_CreateTempFile(context);
5115 break;
5116
5117 case 0x5b: /* CREATE NEW FILE */
5118 if (!INT21_CreateFile( context, context->Edx, FALSE,
5119 OF_READWRITE | OF_SHARE_COMPAT, 0x10 ))
5120 bSetDOSExtendedError = TRUE;
5121 else
5122 RESET_CFLAG(context);
5123 break;
5124
5125 case 0x5c: /* "FLOCK" - RECORD LOCKING */
5126 {
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));
5130
5131 RESET_CFLAG(context);
5132 switch (AL_reg(context))
5133 {
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;
5139 break;
5140
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;
5146 break;
5147
5148 default:
5149 INT_BARF( context, 0x21 );
5150 }
5151 }
5152 break;
5153
5154 case 0x5d: /* NETWORK 5D */
5155 FIXME( "Network function 5D not implemented.\n" );
5156 SetLastError( ER_NoNetwork );
5157 bSetDOSExtendedError = TRUE;
5158 break;
5159
5160 case 0x5e: /* NETWORK 5E */
5161 bSetDOSExtendedError = INT21_NetworkFunc( context);
5162 break;
5163
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
5168 */
5169 /* network software not installed */
5170 TRACE("NETWORK function AX=%04x not implemented\n",AX_reg(context));
5171 SetLastError( ER_NoNetwork );
5172 bSetDOSExtendedError = TRUE;
5173 break;
5174
5175 case 0x60: /* "TRUENAME" - CANONICALIZE FILENAME OR PATH */
5176 {
5177 WCHAR pathW[MAX_PATH], res[MAX_PATH];
5178 /* FIXME: likely to be broken */
5179
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;
5185 else
5186 {
5187 SET_AX( context, 0 );
5188 WideCharToMultiByte(CP_OEMCP, 0, res, -1,
5189 CTX_SEG_OFF_TO_LIN(context, context->SegEs, context->Edi),
5190 128, NULL, NULL);
5191 }
5192 }
5193 break;
5194
5195 case 0x61: /* UNUSED */
5196 SET_AL( context, 0 );
5197 break;
5198
5199 case 0x62: /* GET PSP ADDRESS */
5200 INT21_GetPSP( context );
5201 break;
5202
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 */
5210 break;
5211 }
5212 break;
5213
5214 case 0x64: /* OS/2 DOS BOX */
5215 INT_BARF( context, 0x21 );
5216 SET_CFLAG(context);
5217 break;
5218
5219 case 0x65: /* EXTENDED COUNTRY INFORMATION */
5220 INT21_ExtendedCountryInformation( context );
5221 break;
5222
5223 case 0x66: /* GLOBAL CODE PAGE TABLE */
5224 switch (AL_reg(context))
5225 {
5226 case 0x01:
5227 TRACE( "GET GLOBAL CODE PAGE TABLE\n" );
5228 SET_BX( context, GetOEMCP() );
5229 SET_DX( context, GetOEMCP() );
5230 break;
5231 case 0x02:
5232 FIXME( "SET GLOBAL CODE PAGE TABLE, active %d, system %d - ignored\n",
5233 BX_reg(context), DX_reg(context) );
5234 break;
5235 }
5236 break;
5237
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;
5242 break;
5243
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;
5248 break;
5249
5250 case 0x69: /* DISK SERIAL NUMBER */
5251 switch (AL_reg(context))
5252 {
5253 case 0x00:
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 );
5258 break;
5259
5260 case 0x01:
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 );
5265 break;
5266 }
5267 break;
5268
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;
5273 break;
5274
5275 case 0x6b: /* NULL FUNCTION FOR CP/M COMPATIBILITY */
5276 SET_AL( context, 0 );
5277 break;
5278
5279 case 0x6c: /* EXTENDED OPEN/CREATE */
5280 if (!INT21_CreateFile( context, context->Esi, TRUE,
5281 BX_reg(context), DL_reg(context) ))
5282 bSetDOSExtendedError = TRUE;
5283 break;
5284
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 );
5289 break;
5290
5291 case 0x71: /* MSDOS 7 - LONG FILENAME FUNCTIONS */
5292 INT21_LongFilename( context );
5293 break;
5294
5295 case 0x73: /* MSDOS7 - FAT32 */
5296 RESET_CFLAG( context );
5297 if (!INT21_Fat32( context ))
5298 bSetDOSExtendedError = TRUE;
5299 break;
5300
5301 case 0xdc: /* CONNECTION SERVICES - GET CONNECTION NUMBER */
5302 TRACE( "CONNECTION SERVICES - GET CONNECTION NUMBER - ignored\n" );
5303 break;
5304
5305 case 0xea: /* NOVELL NETWARE - RETURN SHELL VERSION */
5306 TRACE( "NOVELL NETWARE - RETURN SHELL VERSION - ignored\n" );
5307 break;
5308
5309 case 0xff: /* DOS32 EXTENDER (DOS/4GW) - API */
5310 /* we don't implement a DOS32 extender */
5311 TRACE( "DOS32 EXTENDER API - ignored\n" );
5312 break;
5313
5314 default:
5315 INT_BARF( context, 0x21 );
5316 break;
5317
5318 } /* END OF SWITCH */
5319
5320 /* Set general error condition. */
5321 if (bSetDOSExtendedError)
5322 {
5323 SET_AX( context, GetLastError() );
5324 SET_CFLAG( context );
5325 }
5326
5327 /* Print error code if carry flag is set. */
5328 if (context->EFlags & 0x0001)
5329 TRACE("failed, error %ld\n", GetLastError() );
5330
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,
5337 context->EFlags );
5338 }
GSOC 2012 project to enhance the control panel