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Implement NtAccessCheck.
[wine/gsoc-2012-control.git] / dlls / kernel / file.c
blob52428853590b7d026e6a2f768074724eea5394a5
1 /*
2 * File handling functions
3 *
4 * Copyright 1993 John Burton
5 * Copyright 1996, 2004 Alexandre Julliard
6 *
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 */
21
22 #include "config.h"
23 #include "wine/port.h"
24
25 #include <stdarg.h>
26 #include <stdio.h>
27 #include <errno.h>
28
29 #define NONAMELESSUNION
30 #define NONAMELESSSTRUCT
31 #include "winerror.h"
32 #include "ntstatus.h"
33 #include "windef.h"
34 #include "winbase.h"
35 #include "winreg.h"
36 #include "winternl.h"
37 #include "winioctl.h"
38 #include "wincon.h"
39 #include "wine/winbase16.h"
40 #include "kernel_private.h"
41
42 #include "wine/exception.h"
43 #include "excpt.h"
44 #include "wine/unicode.h"
45 #include "wine/debug.h"
46 #include "thread.h"
47 #include "wine/server.h"
48
49 WINE_DEFAULT_DEBUG_CHANNEL(file);
50
51 HANDLE dos_handles[DOS_TABLE_SIZE];
52
53 /* info structure for FindFirstFile handle */
54 typedef struct
55 {
56 DWORD magic; /* magic number */
57 HANDLE handle; /* handle to directory */
58 CRITICAL_SECTION cs; /* crit section protecting this structure */
59 UNICODE_STRING mask; /* file mask */
60 BOOL is_root; /* is directory the root of the drive? */
61 UINT data_pos; /* current position in dir data */
62 UINT data_len; /* length of dir data */
63 BYTE data[8192]; /* directory data */
64 } FIND_FIRST_INFO;
65
66 #define FIND_FIRST_MAGIC 0xc0ffee11
67
68 static BOOL oem_file_apis;
69
70 static WINE_EXCEPTION_FILTER(page_fault)
71 {
72 if (GetExceptionCode() == EXCEPTION_ACCESS_VIOLATION)
73 return EXCEPTION_EXECUTE_HANDLER;
74 return EXCEPTION_CONTINUE_SEARCH;
75 }
76
77
78 /***********************************************************************
79 * create_file_OF
80 *
81 * Wrapper for CreateFile that takes OF_* mode flags.
82 */
83 static HANDLE create_file_OF( LPCSTR path, INT mode )
84 {
85 DWORD access, sharing, creation;
86
87 if (mode & OF_CREATE)
88 {
89 creation = CREATE_ALWAYS;
90 access = GENERIC_READ | GENERIC_WRITE;
91 }
92 else
93 {
94 creation = OPEN_EXISTING;
95 switch(mode & 0x03)
96 {
97 case OF_READ: access = GENERIC_READ; break;
98 case OF_WRITE: access = GENERIC_WRITE; break;
99 case OF_READWRITE: access = GENERIC_READ | GENERIC_WRITE; break;
100 default: access = 0; break;
101 }
102 }
103
104 switch(mode & 0x70)
105 {
106 case OF_SHARE_EXCLUSIVE: sharing = 0; break;
107 case OF_SHARE_DENY_WRITE: sharing = FILE_SHARE_READ; break;
108 case OF_SHARE_DENY_READ: sharing = FILE_SHARE_WRITE; break;
109 case OF_SHARE_DENY_NONE:
110 case OF_SHARE_COMPAT:
111 default: sharing = FILE_SHARE_READ | FILE_SHARE_WRITE; break;
112 }
113 return CreateFileA( path, access, sharing, NULL, creation, FILE_ATTRIBUTE_NORMAL, 0 );
114 }
115
116
117 /***********************************************************************
118 * FILE_SetDosError
119 *
120 * Set the DOS error code from errno.
121 */
122 void FILE_SetDosError(void)
123 {
124 int save_errno = errno; /* errno gets overwritten by printf */
125
126 TRACE("errno = %d %s\n", errno, strerror(errno));
127 switch (save_errno)
128 {
129 case EAGAIN:
130 SetLastError( ERROR_SHARING_VIOLATION );
131 break;
132 case EBADF:
133 SetLastError( ERROR_INVALID_HANDLE );
134 break;
135 case ENOSPC:
136 SetLastError( ERROR_HANDLE_DISK_FULL );
137 break;
138 case EACCES:
139 case EPERM:
140 case EROFS:
141 SetLastError( ERROR_ACCESS_DENIED );
142 break;
143 case EBUSY:
144 SetLastError( ERROR_LOCK_VIOLATION );
145 break;
146 case ENOENT:
147 SetLastError( ERROR_FILE_NOT_FOUND );
148 break;
149 case EISDIR:
150 SetLastError( ERROR_CANNOT_MAKE );
151 break;
152 case ENFILE:
153 case EMFILE:
154 SetLastError( ERROR_TOO_MANY_OPEN_FILES );
155 break;
156 case EEXIST:
157 SetLastError( ERROR_FILE_EXISTS );
158 break;
159 case EINVAL:
160 case ESPIPE:
161 SetLastError( ERROR_SEEK );
162 break;
163 case ENOTEMPTY:
164 SetLastError( ERROR_DIR_NOT_EMPTY );
165 break;
166 case ENOEXEC:
167 SetLastError( ERROR_BAD_FORMAT );
168 break;
169 case ENOTDIR:
170 SetLastError( ERROR_PATH_NOT_FOUND );
171 break;
172 case EXDEV:
173 SetLastError( ERROR_NOT_SAME_DEVICE );
174 break;
175 default:
176 WARN("unknown file error: %s\n", strerror(save_errno) );
177 SetLastError( ERROR_GEN_FAILURE );
178 break;
179 }
180 errno = save_errno;
181 }
182
183
184 /***********************************************************************
185 * FILE_name_AtoW
186 *
187 * Convert a file name to Unicode, taking into account the OEM/Ansi API mode.
188 *
189 * If alloc is FALSE uses the TEB static buffer, so it can only be used when
190 * there is no possibility for the function to do that twice, taking into
191 * account any called function.
192 */
193 WCHAR *FILE_name_AtoW( LPCSTR name, BOOL alloc )
194 {
195 ANSI_STRING str;
196 UNICODE_STRING strW, *pstrW;
197 NTSTATUS status;
198
199 RtlInitAnsiString( &str, name );
200 pstrW = alloc ? &strW : &NtCurrentTeb()->StaticUnicodeString;
201 if (oem_file_apis)
202 status = RtlOemStringToUnicodeString( pstrW, &str, alloc );
203 else
204 status = RtlAnsiStringToUnicodeString( pstrW, &str, alloc );
205 if (status == STATUS_SUCCESS) return pstrW->Buffer;
206
207 if (status == STATUS_BUFFER_OVERFLOW)
208 SetLastError( ERROR_FILENAME_EXCED_RANGE );
209 else
210 SetLastError( RtlNtStatusToDosError(status) );
211 return NULL;
212 }
213
214
215 /***********************************************************************
216 * FILE_name_WtoA
217 *
218 * Convert a file name back to OEM/Ansi. Returns number of bytes copied.
219 */
220 DWORD FILE_name_WtoA( LPCWSTR src, INT srclen, LPSTR dest, INT destlen )
221 {
222 DWORD ret;
223
224 if (srclen < 0) srclen = strlenW( src ) + 1;
225 if (oem_file_apis)
226 RtlUnicodeToOemN( dest, destlen, &ret, src, srclen * sizeof(WCHAR) );
227 else
228 RtlUnicodeToMultiByteN( dest, destlen, &ret, src, srclen * sizeof(WCHAR) );
229 return ret;
230 }
231
232
233 /**************************************************************************
234 * SetFileApisToOEM (KERNEL32.@)
235 */
236 VOID WINAPI SetFileApisToOEM(void)
237 {
238 oem_file_apis = TRUE;
239 }
240
241
242 /**************************************************************************
243 * SetFileApisToANSI (KERNEL32.@)
244 */
245 VOID WINAPI SetFileApisToANSI(void)
246 {
247 oem_file_apis = FALSE;
248 }
249
250
251 /******************************************************************************
252 * AreFileApisANSI (KERNEL32.@)
253 *
254 * Determines if file functions are using ANSI
255 *
256 * RETURNS
257 * TRUE: Set of file functions is using ANSI code page
258 * FALSE: Set of file functions is using OEM code page
259 */
260 BOOL WINAPI AreFileApisANSI(void)
261 {
262 return !oem_file_apis;
263 }
264
265
266 /**************************************************************************
267 * Operations on file handles *
268 **************************************************************************/
269
270 /***********************************************************************
271 * FILE_InitProcessDosHandles
272 *
273 * Allocates the default DOS handles for a process. Called either by
274 * Win32HandleToDosFileHandle below or by the DOSVM stuff.
275 */
276 static void FILE_InitProcessDosHandles( void )
277 {
278 static BOOL init_done /* = FALSE */;
279 HANDLE cp = GetCurrentProcess();
280
281 if (init_done) return;
282 init_done = TRUE;
283 DuplicateHandle(cp, GetStdHandle(STD_INPUT_HANDLE), cp, &dos_handles[0],
284 0, TRUE, DUPLICATE_SAME_ACCESS);
285 DuplicateHandle(cp, GetStdHandle(STD_OUTPUT_HANDLE), cp, &dos_handles[1],
286 0, TRUE, DUPLICATE_SAME_ACCESS);
287 DuplicateHandle(cp, GetStdHandle(STD_ERROR_HANDLE), cp, &dos_handles[2],
288 0, TRUE, DUPLICATE_SAME_ACCESS);
289 DuplicateHandle(cp, GetStdHandle(STD_ERROR_HANDLE), cp, &dos_handles[3],
290 0, TRUE, DUPLICATE_SAME_ACCESS);
291 DuplicateHandle(cp, GetStdHandle(STD_ERROR_HANDLE), cp, &dos_handles[4],
292 0, TRUE, DUPLICATE_SAME_ACCESS);
293 }
294
295
296 /******************************************************************
297 * FILE_ReadWriteApc (internal)
298 */
299 static void WINAPI FILE_ReadWriteApc(void* apc_user, PIO_STATUS_BLOCK io_status, ULONG len)
300 {
301 LPOVERLAPPED_COMPLETION_ROUTINE cr = (LPOVERLAPPED_COMPLETION_ROUTINE)apc_user;
302
303 cr(RtlNtStatusToDosError(io_status->u.Status), len, (LPOVERLAPPED)io_status);
304 }
305
306
307 /***********************************************************************
308 * ReadFileEx (KERNEL32.@)
309 */
310 BOOL WINAPI ReadFileEx(HANDLE hFile, LPVOID buffer, DWORD bytesToRead,
311 LPOVERLAPPED overlapped,
312 LPOVERLAPPED_COMPLETION_ROUTINE lpCompletionRoutine)
313 {
314 LARGE_INTEGER offset;
315 NTSTATUS status;
316 PIO_STATUS_BLOCK io_status;
317
318 TRACE("(hFile=%p, buffer=%p, bytes=%lu, ovl=%p, ovl_fn=%p)\n", hFile, buffer, bytesToRead, overlapped, lpCompletionRoutine);
319
320 if (!overlapped)
321 {
322 SetLastError(ERROR_INVALID_PARAMETER);
323 return FALSE;
324 }
325
326 offset.u.LowPart = overlapped->u.s.Offset;
327 offset.u.HighPart = overlapped->u.s.OffsetHigh;
328 io_status = (PIO_STATUS_BLOCK)overlapped;
329 io_status->u.Status = STATUS_PENDING;
330
331 status = NtReadFile(hFile, NULL, FILE_ReadWriteApc, lpCompletionRoutine,
332 io_status, buffer, bytesToRead, &offset, NULL);
333
334 if (status)
335 {
336 SetLastError( RtlNtStatusToDosError(status) );
337 return FALSE;
338 }
339 return TRUE;
340 }
341
342
343 /***********************************************************************
344 * ReadFile (KERNEL32.@)
345 */
346 BOOL WINAPI ReadFile( HANDLE hFile, LPVOID buffer, DWORD bytesToRead,
347 LPDWORD bytesRead, LPOVERLAPPED overlapped )
348 {
349 LARGE_INTEGER offset;
350 PLARGE_INTEGER poffset = NULL;
351 IO_STATUS_BLOCK iosb;
352 PIO_STATUS_BLOCK io_status = &iosb;
353 HANDLE hEvent = 0;
354 NTSTATUS status;
355
356 TRACE("%p %p %ld %p %p\n", hFile, buffer, bytesToRead,
357 bytesRead, overlapped );
358
359 if (bytesRead) *bytesRead = 0; /* Do this before anything else */
360 if (!bytesToRead) return TRUE;
361
362 if (is_console_handle(hFile))
363 return ReadConsoleA(hFile, buffer, bytesToRead, bytesRead, NULL);
364
365 if (overlapped != NULL)
366 {
367 offset.u.LowPart = overlapped->u.s.Offset;
368 offset.u.HighPart = overlapped->u.s.OffsetHigh;
369 poffset = &offset;
370 hEvent = overlapped->hEvent;
371 io_status = (PIO_STATUS_BLOCK)overlapped;
372 }
373 io_status->u.Status = STATUS_PENDING;
374 io_status->Information = 0;
375
376 status = NtReadFile(hFile, hEvent, NULL, NULL, io_status, buffer, bytesToRead, poffset, NULL);
377
378 if (status != STATUS_PENDING && bytesRead)
379 *bytesRead = io_status->Information;
380
381 if (status && status != STATUS_END_OF_FILE)
382 {
383 SetLastError( RtlNtStatusToDosError(status) );
384 return FALSE;
385 }
386 return TRUE;
387 }
388
389
390 /***********************************************************************
391 * WriteFileEx (KERNEL32.@)
392 */
393 BOOL WINAPI WriteFileEx(HANDLE hFile, LPCVOID buffer, DWORD bytesToWrite,
394 LPOVERLAPPED overlapped,
395 LPOVERLAPPED_COMPLETION_ROUTINE lpCompletionRoutine)
396 {
397 LARGE_INTEGER offset;
398 NTSTATUS status;
399 PIO_STATUS_BLOCK io_status;
400
401 TRACE("%p %p %ld %p %p\n", hFile, buffer, bytesToWrite, overlapped, lpCompletionRoutine);
402
403 if (overlapped == NULL)
404 {
405 SetLastError(ERROR_INVALID_PARAMETER);
406 return FALSE;
407 }
408 offset.u.LowPart = overlapped->u.s.Offset;
409 offset.u.HighPart = overlapped->u.s.OffsetHigh;
410
411 io_status = (PIO_STATUS_BLOCK)overlapped;
412 io_status->u.Status = STATUS_PENDING;
413
414 status = NtWriteFile(hFile, NULL, FILE_ReadWriteApc, lpCompletionRoutine,
415 io_status, buffer, bytesToWrite, &offset, NULL);
416
417 if (status) SetLastError( RtlNtStatusToDosError(status) );
418 return !status;
419 }
420
421
422 /***********************************************************************
423 * WriteFile (KERNEL32.@)
424 */
425 BOOL WINAPI WriteFile( HANDLE hFile, LPCVOID buffer, DWORD bytesToWrite,
426 LPDWORD bytesWritten, LPOVERLAPPED overlapped )
427 {
428 HANDLE hEvent = NULL;
429 LARGE_INTEGER offset;
430 PLARGE_INTEGER poffset = NULL;
431 NTSTATUS status;
432 IO_STATUS_BLOCK iosb;
433 PIO_STATUS_BLOCK piosb = &iosb;
434
435 TRACE("%p %p %ld %p %p\n", hFile, buffer, bytesToWrite, bytesWritten, overlapped );
436
437 if (is_console_handle(hFile))
438 return WriteConsoleA(hFile, buffer, bytesToWrite, bytesWritten, NULL);
439
440 if (overlapped)
441 {
442 offset.u.LowPart = overlapped->u.s.Offset;
443 offset.u.HighPart = overlapped->u.s.OffsetHigh;
444 poffset = &offset;
445 hEvent = overlapped->hEvent;
446 piosb = (PIO_STATUS_BLOCK)overlapped;
447 }
448 piosb->u.Status = STATUS_PENDING;
449 piosb->Information = 0;
450
451 status = NtWriteFile(hFile, hEvent, NULL, NULL, piosb,
452 buffer, bytesToWrite, poffset, NULL);
453
454 if (status != STATUS_PENDING && bytesWritten)
455 *bytesWritten = piosb->Information;
456
457 if (status)
458 {
459 SetLastError( RtlNtStatusToDosError(status) );
460 return FALSE;
461 }
462 return TRUE;
463 }
464
465
466 /***********************************************************************
467 * GetOverlappedResult (KERNEL32.@)
468 *
469 * Check the result of an Asynchronous data transfer from a file.
470 *
471 * Parameters
472 * HANDLE hFile [in] handle of file to check on
473 * LPOVERLAPPED lpOverlapped [in/out] pointer to overlapped
474 * LPDWORD lpTransferred [in/out] number of bytes transferred
475 * BOOL bWait [in] wait for the transfer to complete ?
476 *
477 * RETURNS
478 * TRUE on success
479 * FALSE on failure
480 *
481 * If successful (and relevant) lpTransferred will hold the number of
482 * bytes transferred during the async operation.
483 *
484 * BUGS
485 *
486 * Currently only works for WaitCommEvent, ReadFile, WriteFile
487 * with communications ports.
488 *
489 */
490 BOOL WINAPI GetOverlappedResult(HANDLE hFile, LPOVERLAPPED lpOverlapped,
491 LPDWORD lpTransferred, BOOL bWait)
492 {
493 DWORD r = WAIT_OBJECT_0;
494
495 TRACE( "(%p %p %p %x)\n", hFile, lpOverlapped, lpTransferred, bWait );
496
497 if ( lpOverlapped == NULL )
498 {
499 ERR("lpOverlapped was null\n");
500 return FALSE;
501 }
502 if ( bWait )
503 {
504 if ( lpOverlapped->hEvent )
505 {
506 do
507 {
508 TRACE( "waiting on %p\n", lpOverlapped );
509 r = WaitForSingleObjectEx( lpOverlapped->hEvent, INFINITE, TRUE );
510 TRACE( "wait on %p returned %ld\n", lpOverlapped, r );
511 } while ( r == WAIT_IO_COMPLETION );
512 }
513 else
514 {
515 /* busy loop */
516 while ( ((volatile OVERLAPPED*)lpOverlapped)->Internal == STATUS_PENDING )
517 Sleep( 10 );
518 }
519 }
520 else if ( lpOverlapped->Internal == STATUS_PENDING )
521 {
522 /* Wait in order to give APCs a chance to run. */
523 /* This is cheating, so we must set the event again in case of success -
524 it may be a non-manual reset event. */
525 do
526 {
527 TRACE( "waiting on %p\n", lpOverlapped );
528 r = WaitForSingleObjectEx( lpOverlapped->hEvent, 0, TRUE );
529 TRACE( "wait on %p returned %ld\n", lpOverlapped, r );
530 } while ( r == WAIT_IO_COMPLETION );
531 if ( r == WAIT_OBJECT_0 && lpOverlapped->hEvent )
532 NtSetEvent( lpOverlapped->hEvent, NULL );
533 }
534 if ( r == WAIT_FAILED )
535 {
536 WARN("wait operation failed\n");
537 return FALSE;
538 }
539 if (lpTransferred) *lpTransferred = lpOverlapped->InternalHigh;
540
541 switch ( lpOverlapped->Internal )
542 {
543 case STATUS_SUCCESS:
544 return TRUE;
545 case STATUS_PENDING:
546 SetLastError( ERROR_IO_INCOMPLETE );
547 if ( bWait ) ERR("PENDING status after waiting!\n");
548 return FALSE;
549 default:
550 SetLastError( RtlNtStatusToDosError( lpOverlapped->Internal ) );
551 return FALSE;
552 }
553 }
554
555 /***********************************************************************
556 * CancelIo (KERNEL32.@)
557 */
558 BOOL WINAPI CancelIo(HANDLE handle)
559 {
560 IO_STATUS_BLOCK io_status;
561
562 NtCancelIoFile(handle, &io_status);
563 if (io_status.u.Status)
564 {
565 SetLastError( RtlNtStatusToDosError( io_status.u.Status ) );
566 return FALSE;
567 }
568 return TRUE;
569 }
570
571 /***********************************************************************
572 * _hread (KERNEL32.@)
573 */
574 LONG WINAPI _hread( HFILE hFile, LPVOID buffer, LONG count)
575 {
576 return _lread( hFile, buffer, count );
577 }
578
579
580 /***********************************************************************
581 * _hwrite (KERNEL32.@)
582 *
583 * experimentation yields that _lwrite:
584 * o truncates the file at the current position with
585 * a 0 len write
586 * o returns 0 on a 0 length write
587 * o works with console handles
588 *
589 */
590 LONG WINAPI _hwrite( HFILE handle, LPCSTR buffer, LONG count )
591 {
592 DWORD result;
593
594 TRACE("%d %p %ld\n", handle, buffer, count );
595
596 if (!count)
597 {
598 /* Expand or truncate at current position */
599 if (!SetEndOfFile( (HANDLE)handle )) return HFILE_ERROR;
600 return 0;
601 }
602 if (!WriteFile( (HANDLE)handle, buffer, count, &result, NULL ))
603 return HFILE_ERROR;
604 return result;
605 }
606
607
608 /***********************************************************************
609 * _lclose (KERNEL32.@)
610 */
611 HFILE WINAPI _lclose( HFILE hFile )
612 {
613 TRACE("handle %d\n", hFile );
614 return CloseHandle( (HANDLE)hFile ) ? 0 : HFILE_ERROR;
615 }
616
617
618 /***********************************************************************
619 * _lcreat (KERNEL32.@)
620 */
621 HFILE WINAPI _lcreat( LPCSTR path, INT attr )
622 {
623 /* Mask off all flags not explicitly allowed by the doc */
624 attr &= FILE_ATTRIBUTE_READONLY | FILE_ATTRIBUTE_HIDDEN | FILE_ATTRIBUTE_SYSTEM;
625 TRACE("%s %02x\n", path, attr );
626 return (HFILE)CreateFileA( path, GENERIC_READ | GENERIC_WRITE,
627 FILE_SHARE_READ | FILE_SHARE_WRITE, NULL,
628 CREATE_ALWAYS, attr, 0 );
629 }
630
631
632 /***********************************************************************
633 * _lopen (KERNEL32.@)
634 */
635 HFILE WINAPI _lopen( LPCSTR path, INT mode )
636 {
637 TRACE("(%s,%04x)\n", debugstr_a(path), mode );
638 return (HFILE)create_file_OF( path, mode & ~OF_CREATE );
639 }
640
641 /***********************************************************************
642 * _lread (KERNEL32.@)
643 */
644 UINT WINAPI _lread( HFILE handle, LPVOID buffer, UINT count )
645 {
646 DWORD result;
647 if (!ReadFile( (HANDLE)handle, buffer, count, &result, NULL ))
648 return HFILE_ERROR;
649 return result;
650 }
651
652
653 /***********************************************************************
654 * _llseek (KERNEL32.@)
655 */
656 LONG WINAPI _llseek( HFILE hFile, LONG lOffset, INT nOrigin )
657 {
658 return SetFilePointer( (HANDLE)hFile, lOffset, NULL, nOrigin );
659 }
660
661
662 /***********************************************************************
663 * _lwrite (KERNEL32.@)
664 */
665 UINT WINAPI _lwrite( HFILE hFile, LPCSTR buffer, UINT count )
666 {
667 return (UINT)_hwrite( hFile, buffer, (LONG)count );
668 }
669
670
671 /***********************************************************************
672 * FlushFileBuffers (KERNEL32.@)
673 */
674 BOOL WINAPI FlushFileBuffers( HANDLE hFile )
675 {
676 NTSTATUS nts;
677 IO_STATUS_BLOCK ioblk;
678
679 if (is_console_handle( hFile ))
680 {
681 /* this will fail (as expected) for an output handle */
682 return FlushConsoleInputBuffer( hFile );
683 }
684 nts = NtFlushBuffersFile( hFile, &ioblk );
685 if (nts != STATUS_SUCCESS)
686 {
687 SetLastError( RtlNtStatusToDosError( nts ) );
688 return FALSE;
689 }
690
691 return TRUE;
692 }
693
694
695 /***********************************************************************
696 * GetFileType (KERNEL32.@)
697 */
698 DWORD WINAPI GetFileType( HANDLE hFile )
699 {
700 FILE_FS_DEVICE_INFORMATION info;
701 IO_STATUS_BLOCK io;
702 NTSTATUS status;
703
704 if (is_console_handle( hFile )) return FILE_TYPE_CHAR;
705
706 status = NtQueryVolumeInformationFile( hFile, &io, &info, sizeof(info), FileFsDeviceInformation );
707 if (status != STATUS_SUCCESS)
708 {
709 SetLastError( RtlNtStatusToDosError(status) );
710 return FILE_TYPE_UNKNOWN;
711 }
712
713 switch(info.DeviceType)
714 {
715 case FILE_DEVICE_NULL:
716 case FILE_DEVICE_SERIAL_PORT:
717 case FILE_DEVICE_PARALLEL_PORT:
718 case FILE_DEVICE_UNKNOWN:
719 return FILE_TYPE_CHAR;
720 case FILE_DEVICE_NAMED_PIPE:
721 return FILE_TYPE_PIPE;
722 default:
723 return FILE_TYPE_DISK;
724 }
725 }
726
727
728 /***********************************************************************
729 * GetFileInformationByHandle (KERNEL32.@)
730 */
731 BOOL WINAPI GetFileInformationByHandle( HANDLE hFile, BY_HANDLE_FILE_INFORMATION *info )
732 {
733 FILE_ALL_INFORMATION all_info;
734 IO_STATUS_BLOCK io;
735 NTSTATUS status;
736
737 status = NtQueryInformationFile( hFile, &io, &all_info, sizeof(all_info), FileAllInformation );
738 if (status == STATUS_SUCCESS)
739 {
740 info->dwFileAttributes = all_info.BasicInformation.FileAttributes;
741 info->ftCreationTime.dwHighDateTime = all_info.BasicInformation.CreationTime.u.HighPart;
742 info->ftCreationTime.dwLowDateTime = all_info.BasicInformation.CreationTime.u.LowPart;
743 info->ftLastAccessTime.dwHighDateTime = all_info.BasicInformation.LastAccessTime.u.HighPart;
744 info->ftLastAccessTime.dwLowDateTime = all_info.BasicInformation.LastAccessTime.u.LowPart;
745 info->ftLastWriteTime.dwHighDateTime = all_info.BasicInformation.LastWriteTime.u.HighPart;
746 info->ftLastWriteTime.dwLowDateTime = all_info.BasicInformation.LastWriteTime.u.LowPart;
747 info->dwVolumeSerialNumber = 0; /* FIXME */
748 info->nFileSizeHigh = all_info.StandardInformation.EndOfFile.u.HighPart;
749 info->nFileSizeLow = all_info.StandardInformation.EndOfFile.u.LowPart;
750 info->nNumberOfLinks = all_info.StandardInformation.NumberOfLinks;
751 info->nFileIndexHigh = all_info.InternalInformation.IndexNumber.u.HighPart;
752 info->nFileIndexLow = all_info.InternalInformation.IndexNumber.u.LowPart;
753 return TRUE;
754 }
755 SetLastError( RtlNtStatusToDosError(status) );
756 return FALSE;
757 }
758
759
760 /***********************************************************************
761 * GetFileSize (KERNEL32.@)
762 */
763 DWORD WINAPI GetFileSize( HANDLE hFile, LPDWORD filesizehigh )
764 {
765 LARGE_INTEGER size;
766 if (!GetFileSizeEx( hFile, &size )) return INVALID_FILE_SIZE;
767 if (filesizehigh) *filesizehigh = size.u.HighPart;
768 if (size.u.LowPart == INVALID_FILE_SIZE) SetLastError(0);
769 return size.u.LowPart;
770 }
771
772
773 /***********************************************************************
774 * GetFileSizeEx (KERNEL32.@)
775 */
776 BOOL WINAPI GetFileSizeEx( HANDLE hFile, PLARGE_INTEGER lpFileSize )
777 {
778 FILE_END_OF_FILE_INFORMATION info;
779 IO_STATUS_BLOCK io;
780 NTSTATUS status;
781
782 status = NtQueryInformationFile( hFile, &io, &info, sizeof(info), FileEndOfFileInformation );
783 if (status == STATUS_SUCCESS)
784 {
785 *lpFileSize = info.EndOfFile;
786 return TRUE;
787 }
788 SetLastError( RtlNtStatusToDosError(status) );
789 return FALSE;
790 }
791
792
793 /**************************************************************************
794 * SetEndOfFile (KERNEL32.@)
795 */
796 BOOL WINAPI SetEndOfFile( HANDLE hFile )
797 {
798 FILE_POSITION_INFORMATION pos;
799 FILE_END_OF_FILE_INFORMATION eof;
800 IO_STATUS_BLOCK io;
801 NTSTATUS status;
802
803 status = NtQueryInformationFile( hFile, &io, &pos, sizeof(pos), FilePositionInformation );
804 if (status == STATUS_SUCCESS)
805 {
806 eof.EndOfFile = pos.CurrentByteOffset;
807 status = NtSetInformationFile( hFile, &io, &eof, sizeof(eof), FileEndOfFileInformation );
808 }
809 if (status == STATUS_SUCCESS) return TRUE;
810 SetLastError( RtlNtStatusToDosError(status) );
811 return FALSE;
812 }
813
814
815 /***********************************************************************
816 * SetFilePointer (KERNEL32.@)
817 */
818 DWORD WINAPI SetFilePointer( HANDLE hFile, LONG distance, LONG *highword, DWORD method )
819 {
820 LARGE_INTEGER dist, newpos;
821
822 if (highword)
823 {
824 dist.u.LowPart = distance;
825 dist.u.HighPart = *highword;
826 }
827 else dist.QuadPart = distance;
828
829 if (!SetFilePointerEx( hFile, dist, &newpos, method )) return INVALID_SET_FILE_POINTER;
830
831 if (highword) *highword = newpos.u.HighPart;
832 if (newpos.u.LowPart == INVALID_SET_FILE_POINTER) SetLastError( 0 );
833 return newpos.u.LowPart;
834 }
835
836
837 /***********************************************************************
838 * SetFilePointerEx (KERNEL32.@)
839 */
840 BOOL WINAPI SetFilePointerEx( HANDLE hFile, LARGE_INTEGER distance,
841 LARGE_INTEGER *newpos, DWORD method )
842 {
843 static const int whence[3] = { SEEK_SET, SEEK_CUR, SEEK_END };
844 BOOL ret = FALSE;
845 NTSTATUS status;
846 int fd;
847
848 TRACE("handle %p offset %s newpos %p origin %ld\n",
849 hFile, wine_dbgstr_longlong(distance.QuadPart), newpos, method );
850
851 if (method > FILE_END)
852 {
853 SetLastError( ERROR_INVALID_PARAMETER );
854 return ret;
855 }
856
857 if (!(status = wine_server_handle_to_fd( hFile, 0, &fd, NULL )))
858 {
859 off_t pos, res;
860
861 pos = distance.QuadPart;
862 if ((res = lseek( fd, pos, whence[method] )) == (off_t)-1)
863 {
864 /* also check EPERM due to SuSE7 2.2.16 lseek() EPERM kernel bug */
865 if (((errno == EINVAL) || (errno == EPERM)) && (method != FILE_BEGIN) && (pos < 0))
866 SetLastError( ERROR_NEGATIVE_SEEK );
867 else
868 FILE_SetDosError();
869 }
870 else
871 {
872 ret = TRUE;
873 if( newpos )
874 newpos->QuadPart = res;
875 }
876 wine_server_release_fd( hFile, fd );
877 }
878 else SetLastError( RtlNtStatusToDosError(status) );
879
880 return ret;
881 }
882
883 /***********************************************************************
884 * GetFileTime (KERNEL32.@)
885 */
886 BOOL WINAPI GetFileTime( HANDLE hFile, FILETIME *lpCreationTime,
887 FILETIME *lpLastAccessTime, FILETIME *lpLastWriteTime )
888 {
889 FILE_BASIC_INFORMATION info;
890 IO_STATUS_BLOCK io;
891 NTSTATUS status;
892
893 status = NtQueryInformationFile( hFile, &io, &info, sizeof(info), FileBasicInformation );
894 if (status == STATUS_SUCCESS)
895 {
896 if (lpCreationTime)
897 {
898 lpCreationTime->dwHighDateTime = info.CreationTime.u.HighPart;
899 lpCreationTime->dwLowDateTime = info.CreationTime.u.LowPart;
900 }
901 if (lpLastAccessTime)
902 {
903 lpLastAccessTime->dwHighDateTime = info.LastAccessTime.u.HighPart;
904 lpLastAccessTime->dwLowDateTime = info.LastAccessTime.u.LowPart;
905 }
906 if (lpLastWriteTime)
907 {
908 lpLastWriteTime->dwHighDateTime = info.LastWriteTime.u.HighPart;
909 lpLastWriteTime->dwLowDateTime = info.LastWriteTime.u.LowPart;
910 }
911 return TRUE;
912 }
913 SetLastError( RtlNtStatusToDosError(status) );
914 return FALSE;
915 }
916
917
918 /***********************************************************************
919 * SetFileTime (KERNEL32.@)
920 */
921 BOOL WINAPI SetFileTime( HANDLE hFile, const FILETIME *ctime,
922 const FILETIME *atime, const FILETIME *mtime )
923 {
924 FILE_BASIC_INFORMATION info;
925 IO_STATUS_BLOCK io;
926 NTSTATUS status;
927
928 memset( &info, 0, sizeof(info) );
929 if (ctime)
930 {
931 info.CreationTime.u.HighPart = ctime->dwHighDateTime;
932 info.CreationTime.u.LowPart = ctime->dwLowDateTime;
933 }
934 if (atime)
935 {
936 info.LastAccessTime.u.HighPart = atime->dwHighDateTime;
937 info.LastAccessTime.u.LowPart = atime->dwLowDateTime;
938 }
939 if (mtime)
940 {
941 info.LastWriteTime.u.HighPart = mtime->dwHighDateTime;
942 info.LastWriteTime.u.LowPart = mtime->dwLowDateTime;
943 }
944
945 status = NtSetInformationFile( hFile, &io, &info, sizeof(info), FileBasicInformation );
946 if (status == STATUS_SUCCESS) return TRUE;
947 SetLastError( RtlNtStatusToDosError(status) );
948 return FALSE;
949 }
950
951
952 /**************************************************************************
953 * LockFile (KERNEL32.@)
954 */
955 BOOL WINAPI LockFile( HANDLE hFile, DWORD offset_low, DWORD offset_high,
956 DWORD count_low, DWORD count_high )
957 {
958 NTSTATUS status;
959 LARGE_INTEGER count, offset;
960
961 TRACE( "%p %lx%08lx %lx%08lx\n",
962 hFile, offset_high, offset_low, count_high, count_low );
963
964 count.u.LowPart = count_low;
965 count.u.HighPart = count_high;
966 offset.u.LowPart = offset_low;
967 offset.u.HighPart = offset_high;
968
969 status = NtLockFile( hFile, 0, NULL, NULL,
970 NULL, &offset, &count, NULL, TRUE, TRUE );
971
972 if (status != STATUS_SUCCESS) SetLastError( RtlNtStatusToDosError(status) );
973 return !status;
974 }
975
976
977 /**************************************************************************
978 * LockFileEx [KERNEL32.@]
979 *
980 * Locks a byte range within an open file for shared or exclusive access.
981 *
982 * RETURNS
983 * success: TRUE
984 * failure: FALSE
985 *
986 * NOTES
987 * Per Microsoft docs, the third parameter (reserved) must be set to 0.
988 */
989 BOOL WINAPI LockFileEx( HANDLE hFile, DWORD flags, DWORD reserved,
990 DWORD count_low, DWORD count_high, LPOVERLAPPED overlapped )
991 {
992 NTSTATUS status;
993 LARGE_INTEGER count, offset;
994
995 if (reserved)
996 {
997 SetLastError( ERROR_INVALID_PARAMETER );
998 return FALSE;
999 }
1000
1001 TRACE( "%p %lx%08lx %lx%08lx flags %lx\n",
1002 hFile, overlapped->u.s.OffsetHigh, overlapped->u.s.Offset,
1003 count_high, count_low, flags );
1004
1005 count.u.LowPart = count_low;
1006 count.u.HighPart = count_high;
1007 offset.u.LowPart = overlapped->u.s.Offset;
1008 offset.u.HighPart = overlapped->u.s.OffsetHigh;
1009
1010 status = NtLockFile( hFile, overlapped->hEvent, NULL, NULL,
1011 NULL, &offset, &count, NULL,
1012 flags & LOCKFILE_FAIL_IMMEDIATELY,
1013 flags & LOCKFILE_EXCLUSIVE_LOCK );
1014
1015 if (status) SetLastError( RtlNtStatusToDosError(status) );
1016 return !status;
1017 }
1018
1019
1020 /**************************************************************************
1021 * UnlockFile (KERNEL32.@)
1022 */
1023 BOOL WINAPI UnlockFile( HANDLE hFile, DWORD offset_low, DWORD offset_high,
1024 DWORD count_low, DWORD count_high )
1025 {
1026 NTSTATUS status;
1027 LARGE_INTEGER count, offset;
1028
1029 count.u.LowPart = count_low;
1030 count.u.HighPart = count_high;
1031 offset.u.LowPart = offset_low;
1032 offset.u.HighPart = offset_high;
1033
1034 status = NtUnlockFile( hFile, NULL, &offset, &count, NULL);
1035 if (status) SetLastError( RtlNtStatusToDosError(status) );
1036 return !status;
1037 }
1038
1039
1040 /**************************************************************************
1041 * UnlockFileEx (KERNEL32.@)
1042 */
1043 BOOL WINAPI UnlockFileEx( HANDLE hFile, DWORD reserved, DWORD count_low, DWORD count_high,
1044 LPOVERLAPPED overlapped )
1045 {
1046 if (reserved)
1047 {
1048 SetLastError( ERROR_INVALID_PARAMETER );
1049 return FALSE;
1050 }
1051 if (overlapped->hEvent) FIXME("Unimplemented overlapped operation\n");
1052
1053 return UnlockFile( hFile, overlapped->u.s.Offset, overlapped->u.s.OffsetHigh, count_low, count_high );
1054 }
1055
1056
1057 /***********************************************************************
1058 * Win32HandleToDosFileHandle (KERNEL32.21)
1059 *
1060 * Allocate a DOS handle for a Win32 handle. The Win32 handle is no
1061 * longer valid after this function (even on failure).
1062 *
1063 * Note: this is not exactly right, since on Win95 the Win32 handles
1064 * are on top of DOS handles and we do it the other way
1065 * around. Should be good enough though.
1066 */
1067 HFILE WINAPI Win32HandleToDosFileHandle( HANDLE handle )
1068 {
1069 int i;
1070
1071 if (!handle || (handle == INVALID_HANDLE_VALUE))
1072 return HFILE_ERROR;
1073
1074 FILE_InitProcessDosHandles();
1075 for (i = 0; i < DOS_TABLE_SIZE; i++)
1076 if (!dos_handles[i])
1077 {
1078 dos_handles[i] = handle;
1079 TRACE("Got %d for h32 %p\n", i, handle );
1080 return (HFILE)i;
1081 }
1082 CloseHandle( handle );
1083 SetLastError( ERROR_TOO_MANY_OPEN_FILES );
1084 return HFILE_ERROR;
1085 }
1086
1087
1088 /***********************************************************************
1089 * DosFileHandleToWin32Handle (KERNEL32.20)
1090 *
1091 * Return the Win32 handle for a DOS handle.
1092 *
1093 * Note: this is not exactly right, since on Win95 the Win32 handles
1094 * are on top of DOS handles and we do it the other way
1095 * around. Should be good enough though.
1096 */
1097 HANDLE WINAPI DosFileHandleToWin32Handle( HFILE handle )
1098 {
1099 HFILE16 hfile = (HFILE16)handle;
1100 if (hfile < 5) FILE_InitProcessDosHandles();
1101 if ((hfile >= DOS_TABLE_SIZE) || !dos_handles[hfile])
1102 {
1103 SetLastError( ERROR_INVALID_HANDLE );
1104 return INVALID_HANDLE_VALUE;
1105 }
1106 return dos_handles[hfile];
1107 }
1108
1109
1110 /*************************************************************************
1111 * SetHandleCount (KERNEL32.@)
1112 */
1113 UINT WINAPI SetHandleCount( UINT count )
1114 {
1115 return min( 256, count );
1116 }
1117
1118
1119 /***********************************************************************
1120 * DisposeLZ32Handle (KERNEL32.22)
1121 *
1122 * Note: this is not entirely correct, we should only close the
1123 * 32-bit handle and not the 16-bit one, but we cannot do
1124 * this because of the way our DOS handles are implemented.
1125 * It shouldn't break anything though.
1126 */
1127 void WINAPI DisposeLZ32Handle( HANDLE handle )
1128 {
1129 int i;
1130
1131 if (!handle || (handle == INVALID_HANDLE_VALUE)) return;
1132
1133 for (i = 5; i < DOS_TABLE_SIZE; i++)
1134 if (dos_handles[i] == handle)
1135 {
1136 dos_handles[i] = 0;
1137 CloseHandle( handle );
1138 break;
1139 }
1140 }
1141
1142 /**************************************************************************
1143 * Operations on file names *
1144 **************************************************************************/
1145
1146
1147 /*************************************************************************
1148 * CreateFileW [KERNEL32.@] Creates or opens a file or other object
1149 *
1150 * Creates or opens an object, and returns a handle that can be used to
1151 * access that object.
1152 *
1153 * PARAMS
1154 *
1155 * filename [in] pointer to filename to be accessed
1156 * access [in] access mode requested
1157 * sharing [in] share mode
1158 * sa [in] pointer to security attributes
1159 * creation [in] how to create the file
1160 * attributes [in] attributes for newly created file
1161 * template [in] handle to file with extended attributes to copy
1162 *
1163 * RETURNS
1164 * Success: Open handle to specified file
1165 * Failure: INVALID_HANDLE_VALUE
1166 */
1167 HANDLE WINAPI CreateFileW( LPCWSTR filename, DWORD access, DWORD sharing,
1168 LPSECURITY_ATTRIBUTES sa, DWORD creation,
1169 DWORD attributes, HANDLE template )
1170 {
1171 NTSTATUS status;
1172 UINT options;
1173 OBJECT_ATTRIBUTES attr;
1174 UNICODE_STRING nameW;
1175 IO_STATUS_BLOCK io;
1176 HANDLE ret;
1177 DWORD dosdev;
1178 static const WCHAR bkslashes_with_dotW[] = {'\\','\\','.','\\',0};
1179 static const WCHAR coninW[] = {'C','O','N','I','N','$',0};
1180 static const WCHAR conoutW[] = {'C','O','N','O','U','T','$',0};
1181
1182 static const UINT nt_disposition[5] =
1183 {
1184 FILE_CREATE, /* CREATE_NEW */
1185 FILE_OVERWRITE_IF, /* CREATE_ALWAYS */
1186 FILE_OPEN, /* OPEN_EXISTING */
1187 FILE_OPEN_IF, /* OPEN_ALWAYS */
1188 FILE_OVERWRITE /* TRUNCATE_EXISTING */
1189 };
1190
1191
1192 /* sanity checks */
1193
1194 if (!filename || !filename[0])
1195 {
1196 SetLastError( ERROR_PATH_NOT_FOUND );
1197 return INVALID_HANDLE_VALUE;
1198 }
1199
1200 TRACE("%s %s%s%s%s%s%s creation %ld attributes 0x%lx\n", debugstr_w(filename),
1201 (access & GENERIC_READ)?"GENERIC_READ ":"",
1202 (access & GENERIC_WRITE)?"GENERIC_WRITE ":"",
1203 (!access)?"QUERY_ACCESS ":"",
1204 (sharing & FILE_SHARE_READ)?"FILE_SHARE_READ ":"",
1205 (sharing & FILE_SHARE_WRITE)?"FILE_SHARE_WRITE ":"",
1206 (sharing & FILE_SHARE_DELETE)?"FILE_SHARE_DELETE ":"",
1207 creation, attributes);
1208
1209 /* Open a console for CONIN$ or CONOUT$ */
1210
1211 if (!strcmpiW(filename, coninW) || !strcmpiW(filename, conoutW))
1212 {
1213 ret = OpenConsoleW(filename, access, (sa && sa->bInheritHandle), creation);
1214 goto done;
1215 }
1216
1217 if (!strncmpW(filename, bkslashes_with_dotW, 4))
1218 {
1219 static const WCHAR pipeW[] = {'P','I','P','E','\\',0};
1220 static const WCHAR mailslotW[] = {'M','A','I','L','S','L','O','T','\\',0};
1221
1222 if ((isalphaW(filename[4]) && filename[5] == ':' && filename[6] == '\0') ||
1223 !strncmpiW( filename + 4, pipeW, 5 ) ||
1224 !strncmpiW( filename + 4, mailslotW, 9 ))
1225 {
1226 dosdev = 0;
1227 }
1228 else if ((dosdev = RtlIsDosDeviceName_U( filename + 4 )))
1229 {
1230 dosdev += MAKELONG( 0, 4*sizeof(WCHAR) ); /* adjust position to start of filename */
1231 }
1232 else if (filename[4])
1233 {
1234 ret = VXD_Open( filename+4, access, sa );
1235 goto done;
1236 }
1237 else
1238 {
1239 SetLastError( ERROR_INVALID_NAME );
1240 return INVALID_HANDLE_VALUE;
1241 }
1242 }
1243 else dosdev = RtlIsDosDeviceName_U( filename );
1244
1245 if (dosdev)
1246 {
1247 static const WCHAR conW[] = {'C','O','N'};
1248
1249 if (LOWORD(dosdev) == sizeof(conW) &&
1250 !memicmpW( filename + HIWORD(dosdev)/sizeof(WCHAR), conW, sizeof(conW)/sizeof(WCHAR)))
1251 {
1252 switch (access & (GENERIC_READ|GENERIC_WRITE))
1253 {
1254 case GENERIC_READ:
1255 ret = OpenConsoleW(coninW, access, (sa && sa->bInheritHandle), creation);
1256 goto done;
1257 case GENERIC_WRITE:
1258 ret = OpenConsoleW(conoutW, access, (sa && sa->bInheritHandle), creation);
1259 goto done;
1260 default:
1261 SetLastError( ERROR_FILE_NOT_FOUND );
1262 return INVALID_HANDLE_VALUE;
1263 }
1264 }
1265 }
1266
1267 if (creation < CREATE_NEW || creation > TRUNCATE_EXISTING)
1268 {
1269 SetLastError( ERROR_INVALID_PARAMETER );
1270 return INVALID_HANDLE_VALUE;
1271 }
1272
1273 if (!RtlDosPathNameToNtPathName_U( filename, &nameW, NULL, NULL ))
1274 {
1275 SetLastError( ERROR_PATH_NOT_FOUND );
1276 return INVALID_HANDLE_VALUE;
1277 }
1278
1279 /* now call NtCreateFile */
1280
1281 options = 0;
1282 if (attributes & FILE_FLAG_BACKUP_SEMANTICS)
1283 options |= FILE_OPEN_FOR_BACKUP_INTENT;
1284 else
1285 options |= FILE_NON_DIRECTORY_FILE;
1286 if (attributes & FILE_FLAG_DELETE_ON_CLOSE)
1287 options |= FILE_DELETE_ON_CLOSE;
1288 if (!(attributes & FILE_FLAG_OVERLAPPED))
1289 options |= FILE_SYNCHRONOUS_IO_ALERT;
1290 if (attributes & FILE_FLAG_RANDOM_ACCESS)
1291 options |= FILE_RANDOM_ACCESS;
1292 attributes &= FILE_ATTRIBUTE_VALID_FLAGS;
1293
1294 attr.Length = sizeof(attr);
1295 attr.RootDirectory = 0;
1296 attr.Attributes = OBJ_CASE_INSENSITIVE;
1297 attr.ObjectName = &nameW;
1298 attr.SecurityDescriptor = sa ? sa->lpSecurityDescriptor : NULL;
1299 attr.SecurityQualityOfService = NULL;
1300
1301 if (sa && sa->bInheritHandle) attr.Attributes |= OBJ_INHERIT;
1302
1303 status = NtCreateFile( &ret, access, &attr, &io, NULL, attributes,
1304 sharing, nt_disposition[creation - CREATE_NEW],
1305 options, NULL, 0 );
1306 if (status)
1307 {
1308 WARN("Unable to create file %s (status %lx)\n", debugstr_w(filename), status);
1309 ret = INVALID_HANDLE_VALUE;
1310
1311 /* In the case file creation was rejected due to CREATE_NEW flag
1312 * was specified and file with that name already exists, correct
1313 * last error is ERROR_FILE_EXISTS and not ERROR_ALREADY_EXISTS.
1314 * Note: RtlNtStatusToDosError is not the subject to blame here.
1315 */
1316 if (status == STATUS_OBJECT_NAME_COLLISION)
1317 SetLastError( ERROR_FILE_EXISTS );
1318 else
1319 SetLastError( RtlNtStatusToDosError(status) );
1320 }
1321 else SetLastError(0);
1322 RtlFreeUnicodeString( &nameW );
1323
1324 done:
1325 if (!ret) ret = INVALID_HANDLE_VALUE;
1326 TRACE("returning %p\n", ret);
1327 return ret;
1328 }
1329
1330
1331
1332 /*************************************************************************
1333 * CreateFileA (KERNEL32.@)
1334 */
1335 HANDLE WINAPI CreateFileA( LPCSTR filename, DWORD access, DWORD sharing,
1336 LPSECURITY_ATTRIBUTES sa, DWORD creation,
1337 DWORD attributes, HANDLE template)
1338 {
1339 WCHAR *nameW;
1340
1341 if (!(nameW = FILE_name_AtoW( filename, FALSE ))) return INVALID_HANDLE_VALUE;
1342 return CreateFileW( nameW, access, sharing, sa, creation, attributes, template );
1343 }
1344
1345
1346 /***********************************************************************
1347 * DeleteFileW (KERNEL32.@)
1348 */
1349 BOOL WINAPI DeleteFileW( LPCWSTR path )
1350 {
1351 UNICODE_STRING nameW;
1352 OBJECT_ATTRIBUTES attr;
1353 NTSTATUS status;
1354
1355 TRACE("%s\n", debugstr_w(path) );
1356
1357 if (!RtlDosPathNameToNtPathName_U( path, &nameW, NULL, NULL ))
1358 {
1359 SetLastError( ERROR_PATH_NOT_FOUND );
1360 return FALSE;
1361 }
1362
1363 attr.Length = sizeof(attr);
1364 attr.RootDirectory = 0;
1365 attr.Attributes = OBJ_CASE_INSENSITIVE;
1366 attr.ObjectName = &nameW;
1367 attr.SecurityDescriptor = NULL;
1368 attr.SecurityQualityOfService = NULL;
1369
1370 status = NtDeleteFile(&attr);
1371 RtlFreeUnicodeString( &nameW );
1372 if (status)
1373 {
1374 SetLastError( RtlNtStatusToDosError(status) );
1375 return FALSE;
1376 }
1377 return TRUE;
1378 }
1379
1380
1381 /***********************************************************************
1382 * DeleteFileA (KERNEL32.@)
1383 */
1384 BOOL WINAPI DeleteFileA( LPCSTR path )
1385 {
1386 WCHAR *pathW;
1387
1388 if (!(pathW = FILE_name_AtoW( path, FALSE ))) return FALSE;
1389 return DeleteFileW( pathW );
1390 }
1391
1392
1393 /**************************************************************************
1394 * ReplaceFileW (KERNEL32.@)
1395 * ReplaceFile (KERNEL32.@)
1396 */
1397 BOOL WINAPI ReplaceFileW(LPCWSTR lpReplacedFileName,LPCWSTR lpReplacementFileName,
1398 LPCWSTR lpBackupFileName, DWORD dwReplaceFlags,
1399 LPVOID lpExclude, LPVOID lpReserved)
1400 {
1401 FIXME("(%s,%s,%s,%08lx,%p,%p) stub\n",debugstr_w(lpReplacedFileName),debugstr_w(lpReplacementFileName),
1402 debugstr_w(lpBackupFileName),dwReplaceFlags,lpExclude,lpReserved);
1403 SetLastError(ERROR_UNABLE_TO_MOVE_REPLACEMENT);
1404 return FALSE;
1405 }
1406
1407
1408 /**************************************************************************
1409 * ReplaceFileA (KERNEL32.@)
1410 */
1411 BOOL WINAPI ReplaceFileA(LPCSTR lpReplacedFileName,LPCSTR lpReplacementFileName,
1412 LPCSTR lpBackupFileName, DWORD dwReplaceFlags,
1413 LPVOID lpExclude, LPVOID lpReserved)
1414 {
1415 FIXME("(%s,%s,%s,%08lx,%p,%p) stub\n",lpReplacedFileName,lpReplacementFileName,
1416 lpBackupFileName,dwReplaceFlags,lpExclude,lpReserved);
1417 SetLastError(ERROR_UNABLE_TO_MOVE_REPLACEMENT);
1418 return FALSE;
1419 }
1420
1421
1422 /*************************************************************************
1423 * FindFirstFileExW (KERNEL32.@)
1424 */
1425 HANDLE WINAPI FindFirstFileExW( LPCWSTR filename, FINDEX_INFO_LEVELS level,
1426 LPVOID data, FINDEX_SEARCH_OPS search_op,
1427 LPVOID filter, DWORD flags)
1428 {
1429 WCHAR *mask, *p;
1430 FIND_FIRST_INFO *info = NULL;
1431 UNICODE_STRING nt_name;
1432 OBJECT_ATTRIBUTES attr;
1433 IO_STATUS_BLOCK io;
1434 NTSTATUS status;
1435
1436 TRACE("%s %d %p %d %p %lx\n", debugstr_w(filename), level, data, search_op, filter, flags);
1437
1438 if ((search_op != FindExSearchNameMatch) || (flags != 0))
1439 {
1440 FIXME("options not implemented 0x%08x 0x%08lx\n", search_op, flags );
1441 return INVALID_HANDLE_VALUE;
1442 }
1443 if (level != FindExInfoStandard)
1444 {
1445 FIXME("info level %d not implemented\n", level );
1446 return INVALID_HANDLE_VALUE;
1447 }
1448
1449 if (!RtlDosPathNameToNtPathName_U( filename, &nt_name, &mask, NULL ))
1450 {
1451 SetLastError( ERROR_PATH_NOT_FOUND );
1452 return INVALID_HANDLE_VALUE;
1453 }
1454
1455 if (!mask || !*mask)
1456 {
1457 SetLastError( ERROR_FILE_NOT_FOUND );
1458 goto error;
1459 }
1460
1461 if (!(info = HeapAlloc( GetProcessHeap(), 0, sizeof(*info))))
1462 {
1463 SetLastError( ERROR_NOT_ENOUGH_MEMORY );
1464 goto error;
1465 }
1466
1467 if (!RtlCreateUnicodeString( &info->mask, mask ))
1468 {
1469 SetLastError( ERROR_NOT_ENOUGH_MEMORY );
1470 goto error;
1471 }
1472
1473 /* truncate dir name before mask */
1474 *mask = 0;
1475 nt_name.Length = (mask - nt_name.Buffer) * sizeof(WCHAR);
1476
1477 /* check if path is the root of the drive */
1478 info->is_root = FALSE;
1479 p = nt_name.Buffer + 4; /* skip \??\ prefix */
1480 if (p[0] && p[1] == ':')
1481 {
1482 p += 2;
1483 while (*p == '\\') p++;
1484 info->is_root = (*p == 0);
1485 }
1486
1487 attr.Length = sizeof(attr);
1488 attr.RootDirectory = 0;
1489 attr.Attributes = OBJ_CASE_INSENSITIVE;
1490 attr.ObjectName = &nt_name;
1491 attr.SecurityDescriptor = NULL;
1492 attr.SecurityQualityOfService = NULL;
1493
1494 status = NtOpenFile( &info->handle, GENERIC_READ, &attr, &io,
1495 FILE_SHARE_READ | FILE_SHARE_WRITE,
1496 FILE_DIRECTORY_FILE | FILE_SYNCHRONOUS_IO_NONALERT );
1497
1498 if (status != STATUS_SUCCESS)
1499 {
1500 RtlFreeUnicodeString( &info->mask );
1501 SetLastError( RtlNtStatusToDosError(status) );
1502 goto error;
1503 }
1504 RtlFreeUnicodeString( &nt_name );
1505
1506 RtlInitializeCriticalSection( &info->cs );
1507 info->magic = FIND_FIRST_MAGIC;
1508 info->data_pos = 0;
1509 info->data_len = 0;
1510
1511 if (!FindNextFileW( (HANDLE)info, data ))
1512 {
1513 TRACE( "%s not found\n", debugstr_w(filename) );
1514 FindClose( (HANDLE)info );
1515 SetLastError( ERROR_FILE_NOT_FOUND );
1516 return INVALID_HANDLE_VALUE;
1517 }
1518 return (HANDLE)info;
1519
1520 error:
1521 HeapFree( GetProcessHeap(), 0, info );
1522 RtlFreeUnicodeString( &nt_name );
1523 return INVALID_HANDLE_VALUE;
1524 }
1525
1526
1527 /*************************************************************************
1528 * FindNextFileW (KERNEL32.@)
1529 */
1530 BOOL WINAPI FindNextFileW( HANDLE handle, WIN32_FIND_DATAW *data )
1531 {
1532 FIND_FIRST_INFO *info;
1533 FILE_BOTH_DIR_INFORMATION *dir_info;
1534 BOOL ret = FALSE;
1535
1536 TRACE("%p %p\n", handle, data);
1537
1538 if (!handle || handle == INVALID_HANDLE_VALUE)
1539 {
1540 SetLastError( ERROR_INVALID_HANDLE );
1541 return ret;
1542 }
1543 info = (FIND_FIRST_INFO *)handle;
1544 if (info->magic != FIND_FIRST_MAGIC)
1545 {
1546 SetLastError( ERROR_INVALID_HANDLE );
1547 return ret;
1548 }
1549
1550 RtlEnterCriticalSection( &info->cs );
1551
1552 for (;;)
1553 {
1554 if (info->data_pos >= info->data_len) /* need to read some more data */
1555 {
1556 IO_STATUS_BLOCK io;
1557
1558 NtQueryDirectoryFile( info->handle, 0, NULL, NULL, &io, info->data, sizeof(info->data),
1559 FileBothDirectoryInformation, FALSE, &info->mask, FALSE );
1560 if (io.u.Status)
1561 {
1562 SetLastError( RtlNtStatusToDosError( io.u.Status ) );
1563 break;
1564 }
1565 info->data_len = io.Information;
1566 info->data_pos = 0;
1567 }
1568
1569 dir_info = (FILE_BOTH_DIR_INFORMATION *)(info->data + info->data_pos);
1570
1571 if (dir_info->NextEntryOffset) info->data_pos += dir_info->NextEntryOffset;
1572 else info->data_pos = info->data_len;
1573
1574 /* don't return '.' and '..' in the root of the drive */
1575 if (info->is_root)
1576 {
1577 if (dir_info->FileNameLength == sizeof(WCHAR) && dir_info->FileName[0] == '.') continue;
1578 if (dir_info->FileNameLength == 2 * sizeof(WCHAR) &&
1579 dir_info->FileName[0] == '.' && dir_info->FileName[1] == '.') continue;
1580 }
1581
1582 data->dwFileAttributes = dir_info->FileAttributes;
1583 data->ftCreationTime = *(FILETIME *)&dir_info->CreationTime;
1584 data->ftLastAccessTime = *(FILETIME *)&dir_info->LastAccessTime;
1585 data->ftLastWriteTime = *(FILETIME *)&dir_info->LastWriteTime;
1586 data->nFileSizeHigh = dir_info->EndOfFile.QuadPart >> 32;
1587 data->nFileSizeLow = (DWORD)dir_info->EndOfFile.QuadPart;
1588 data->dwReserved0 = 0;
1589 data->dwReserved1 = 0;
1590
1591 memcpy( data->cFileName, dir_info->FileName, dir_info->FileNameLength );
1592 data->cFileName[dir_info->FileNameLength/sizeof(WCHAR)] = 0;
1593 memcpy( data->cAlternateFileName, dir_info->ShortName, dir_info->ShortNameLength );
1594 data->cAlternateFileName[dir_info->ShortNameLength/sizeof(WCHAR)] = 0;
1595
1596 TRACE("returning %s (%s)\n",
1597 debugstr_w(data->cFileName), debugstr_w(data->cAlternateFileName) );
1598
1599 ret = TRUE;
1600 break;
1601 }
1602
1603 RtlLeaveCriticalSection( &info->cs );
1604 return ret;
1605 }
1606
1607
1608 /*************************************************************************
1609 * FindClose (KERNEL32.@)
1610 */
1611 BOOL WINAPI FindClose( HANDLE handle )
1612 {
1613 FIND_FIRST_INFO *info = (FIND_FIRST_INFO *)handle;
1614
1615 if (!handle || handle == INVALID_HANDLE_VALUE)
1616 {
1617 SetLastError( ERROR_INVALID_HANDLE );
1618 return FALSE;
1619 }
1620
1621 __TRY
1622 {
1623 if (info->magic == FIND_FIRST_MAGIC)
1624 {
1625 RtlEnterCriticalSection( &info->cs );
1626 if (info->magic == FIND_FIRST_MAGIC) /* in case someone else freed it in the meantime */
1627 {
1628 info->magic = 0;
1629 if (info->handle) CloseHandle( info->handle );
1630 info->handle = 0;
1631 RtlFreeUnicodeString( &info->mask );
1632 info->mask.Buffer = NULL;
1633 info->data_pos = 0;
1634 info->data_len = 0;
1635 RtlLeaveCriticalSection( &info->cs );
1636 RtlDeleteCriticalSection( &info->cs );
1637 HeapFree( GetProcessHeap(), 0, info );
1638 }
1639 }
1640 }
1641 __EXCEPT(page_fault)
1642 {
1643 WARN("Illegal handle %p\n", handle);
1644 SetLastError( ERROR_INVALID_HANDLE );
1645 return FALSE;
1646 }
1647 __ENDTRY
1648
1649 return TRUE;
1650 }
1651
1652
1653 /*************************************************************************
1654 * FindFirstFileA (KERNEL32.@)
1655 */
1656 HANDLE WINAPI FindFirstFileA( LPCSTR lpFileName, WIN32_FIND_DATAA *lpFindData )
1657 {
1658 return FindFirstFileExA(lpFileName, FindExInfoStandard, lpFindData,
1659 FindExSearchNameMatch, NULL, 0);
1660 }
1661
1662 /*************************************************************************
1663 * FindFirstFileExA (KERNEL32.@)
1664 */
1665 HANDLE WINAPI FindFirstFileExA( LPCSTR lpFileName, FINDEX_INFO_LEVELS fInfoLevelId,
1666 LPVOID lpFindFileData, FINDEX_SEARCH_OPS fSearchOp,
1667 LPVOID lpSearchFilter, DWORD dwAdditionalFlags)
1668 {
1669 HANDLE handle;
1670 WIN32_FIND_DATAA *dataA;
1671 WIN32_FIND_DATAW dataW;
1672 WCHAR *nameW;
1673
1674 if (!(nameW = FILE_name_AtoW( lpFileName, FALSE ))) return INVALID_HANDLE_VALUE;
1675
1676 handle = FindFirstFileExW(nameW, fInfoLevelId, &dataW, fSearchOp, lpSearchFilter, dwAdditionalFlags);
1677 if (handle == INVALID_HANDLE_VALUE) return handle;
1678
1679 dataA = (WIN32_FIND_DATAA *) lpFindFileData;
1680 dataA->dwFileAttributes = dataW.dwFileAttributes;
1681 dataA->ftCreationTime = dataW.ftCreationTime;
1682 dataA->ftLastAccessTime = dataW.ftLastAccessTime;
1683 dataA->ftLastWriteTime = dataW.ftLastWriteTime;
1684 dataA->nFileSizeHigh = dataW.nFileSizeHigh;
1685 dataA->nFileSizeLow = dataW.nFileSizeLow;
1686 FILE_name_WtoA( dataW.cFileName, -1, dataA->cFileName, sizeof(dataA->cFileName) );
1687 FILE_name_WtoA( dataW.cAlternateFileName, -1, dataA->cAlternateFileName,
1688 sizeof(dataA->cAlternateFileName) );
1689 return handle;
1690 }
1691
1692
1693 /*************************************************************************
1694 * FindFirstFileW (KERNEL32.@)
1695 */
1696 HANDLE WINAPI FindFirstFileW( LPCWSTR lpFileName, WIN32_FIND_DATAW *lpFindData )
1697 {
1698 return FindFirstFileExW(lpFileName, FindExInfoStandard, lpFindData,
1699 FindExSearchNameMatch, NULL, 0);
1700 }
1701
1702
1703 /*************************************************************************
1704 * FindNextFileA (KERNEL32.@)
1705 */
1706 BOOL WINAPI FindNextFileA( HANDLE handle, WIN32_FIND_DATAA *data )
1707 {
1708 WIN32_FIND_DATAW dataW;
1709
1710 if (!FindNextFileW( handle, &dataW )) return FALSE;
1711 data->dwFileAttributes = dataW.dwFileAttributes;
1712 data->ftCreationTime = dataW.ftCreationTime;
1713 data->ftLastAccessTime = dataW.ftLastAccessTime;
1714 data->ftLastWriteTime = dataW.ftLastWriteTime;
1715 data->nFileSizeHigh = dataW.nFileSizeHigh;
1716 data->nFileSizeLow = dataW.nFileSizeLow;
1717 FILE_name_WtoA( dataW.cFileName, -1, data->cFileName, sizeof(data->cFileName) );
1718 FILE_name_WtoA( dataW.cAlternateFileName, -1, data->cAlternateFileName,
1719 sizeof(data->cAlternateFileName) );
1720 return TRUE;
1721 }
1722
1723
1724 /**************************************************************************
1725 * GetFileAttributesW (KERNEL32.@)
1726 */
1727 DWORD WINAPI GetFileAttributesW( LPCWSTR name )
1728 {
1729 FILE_BASIC_INFORMATION info;
1730 UNICODE_STRING nt_name;
1731 OBJECT_ATTRIBUTES attr;
1732 NTSTATUS status;
1733
1734 TRACE("%s\n", debugstr_w(name));
1735
1736 if (!RtlDosPathNameToNtPathName_U( name, &nt_name, NULL, NULL ))
1737 {
1738 SetLastError( ERROR_PATH_NOT_FOUND );
1739 return INVALID_FILE_ATTRIBUTES;
1740 }
1741
1742 attr.Length = sizeof(attr);
1743 attr.RootDirectory = 0;
1744 attr.Attributes = OBJ_CASE_INSENSITIVE;
1745 attr.ObjectName = &nt_name;
1746 attr.SecurityDescriptor = NULL;
1747 attr.SecurityQualityOfService = NULL;
1748
1749 status = NtQueryAttributesFile( &attr, &info );
1750 RtlFreeUnicodeString( &nt_name );
1751
1752 if (status == STATUS_SUCCESS) return info.FileAttributes;
1753
1754 /* NtQueryAttributesFile fails on devices, but GetFileAttributesW succeeds */
1755 if (RtlIsDosDeviceName_U( name )) return FILE_ATTRIBUTE_ARCHIVE;
1756
1757 SetLastError( RtlNtStatusToDosError(status) );
1758 return INVALID_FILE_ATTRIBUTES;
1759 }
1760
1761
1762 /**************************************************************************
1763 * GetFileAttributesA (KERNEL32.@)
1764 */
1765 DWORD WINAPI GetFileAttributesA( LPCSTR name )
1766 {
1767 WCHAR *nameW;
1768
1769 if (!(nameW = FILE_name_AtoW( name, FALSE ))) return INVALID_FILE_ATTRIBUTES;
1770 return GetFileAttributesW( nameW );
1771 }
1772
1773
1774 /**************************************************************************
1775 * SetFileAttributesW (KERNEL32.@)
1776 */
1777 BOOL WINAPI SetFileAttributesW( LPCWSTR name, DWORD attributes )
1778 {
1779 UNICODE_STRING nt_name;
1780 OBJECT_ATTRIBUTES attr;
1781 IO_STATUS_BLOCK io;
1782 NTSTATUS status;
1783 HANDLE handle;
1784
1785 TRACE("%s %lx\n", debugstr_w(name), attributes);
1786
1787 if (!RtlDosPathNameToNtPathName_U( name, &nt_name, NULL, NULL ))
1788 {
1789 SetLastError( ERROR_PATH_NOT_FOUND );
1790 return FALSE;
1791 }
1792
1793 attr.Length = sizeof(attr);
1794 attr.RootDirectory = 0;
1795 attr.Attributes = OBJ_CASE_INSENSITIVE;
1796 attr.ObjectName = &nt_name;
1797 attr.SecurityDescriptor = NULL;
1798 attr.SecurityQualityOfService = NULL;
1799
1800 status = NtOpenFile( &handle, 0, &attr, &io, 0, FILE_SYNCHRONOUS_IO_NONALERT );
1801 RtlFreeUnicodeString( &nt_name );
1802
1803 if (status == STATUS_SUCCESS)
1804 {
1805 FILE_BASIC_INFORMATION info;
1806
1807 memset( &info, 0, sizeof(info) );
1808 info.FileAttributes = attributes | FILE_ATTRIBUTE_NORMAL; /* make sure it's not zero */
1809 status = NtSetInformationFile( handle, &io, &info, sizeof(info), FileBasicInformation );
1810 NtClose( handle );
1811 }
1812
1813 if (status == STATUS_SUCCESS) return TRUE;
1814 SetLastError( RtlNtStatusToDosError(status) );
1815 return FALSE;
1816 }
1817
1818
1819 /**************************************************************************
1820 * SetFileAttributesA (KERNEL32.@)
1821 */
1822 BOOL WINAPI SetFileAttributesA( LPCSTR name, DWORD attributes )
1823 {
1824 WCHAR *nameW;
1825
1826 if (!(nameW = FILE_name_AtoW( name, FALSE ))) return FALSE;
1827 return SetFileAttributesW( nameW, attributes );
1828 }
1829
1830
1831 /**************************************************************************
1832 * GetFileAttributesExW (KERNEL32.@)
1833 */
1834 BOOL WINAPI GetFileAttributesExW( LPCWSTR name, GET_FILEEX_INFO_LEVELS level, LPVOID ptr )
1835 {
1836 FILE_NETWORK_OPEN_INFORMATION info;
1837 WIN32_FILE_ATTRIBUTE_DATA *data = ptr;
1838 UNICODE_STRING nt_name;
1839 OBJECT_ATTRIBUTES attr;
1840 NTSTATUS status;
1841
1842 TRACE("%s %d %p\n", debugstr_w(name), level, ptr);
1843
1844 if (level != GetFileExInfoStandard)
1845 {
1846 SetLastError( ERROR_INVALID_PARAMETER );
1847 return FALSE;
1848 }
1849
1850 if (!RtlDosPathNameToNtPathName_U( name, &nt_name, NULL, NULL ))
1851 {
1852 SetLastError( ERROR_PATH_NOT_FOUND );
1853 return FALSE;
1854 }
1855
1856 attr.Length = sizeof(attr);
1857 attr.RootDirectory = 0;
1858 attr.Attributes = OBJ_CASE_INSENSITIVE;
1859 attr.ObjectName = &nt_name;
1860 attr.SecurityDescriptor = NULL;
1861 attr.SecurityQualityOfService = NULL;
1862
1863 status = NtQueryFullAttributesFile( &attr, &info );
1864 RtlFreeUnicodeString( &nt_name );
1865
1866 if (status != STATUS_SUCCESS)
1867 {
1868 SetLastError( RtlNtStatusToDosError(status) );
1869 return FALSE;
1870 }
1871
1872 data->dwFileAttributes = info.FileAttributes;
1873 data->ftCreationTime.dwLowDateTime = info.CreationTime.u.LowPart;
1874 data->ftCreationTime.dwHighDateTime = info.CreationTime.u.HighPart;
1875 data->ftLastAccessTime.dwLowDateTime = info.LastAccessTime.u.LowPart;
1876 data->ftLastAccessTime.dwHighDateTime = info.LastAccessTime.u.HighPart;
1877 data->ftLastWriteTime.dwLowDateTime = info.LastWriteTime.u.LowPart;
1878 data->ftLastWriteTime.dwHighDateTime = info.LastWriteTime.u.HighPart;
1879 data->nFileSizeLow = info.EndOfFile.u.LowPart;
1880 data->nFileSizeHigh = info.EndOfFile.u.HighPart;
1881 return TRUE;
1882 }
1883
1884
1885 /**************************************************************************
1886 * GetFileAttributesExA (KERNEL32.@)
1887 */
1888 BOOL WINAPI GetFileAttributesExA( LPCSTR name, GET_FILEEX_INFO_LEVELS level, LPVOID ptr )
1889 {
1890 WCHAR *nameW;
1891
1892 if (!(nameW = FILE_name_AtoW( name, FALSE ))) return FALSE;
1893 return GetFileAttributesExW( nameW, level, ptr );
1894 }
1895
1896
1897 /******************************************************************************
1898 * GetCompressedFileSizeW (KERNEL32.@)
1899 *
1900 * RETURNS
1901 * Success: Low-order doubleword of number of bytes
1902 * Failure: INVALID_FILE_SIZE
1903 */
1904 DWORD WINAPI GetCompressedFileSizeW(
1905 LPCWSTR name, /* [in] Pointer to name of file */
1906 LPDWORD size_high ) /* [out] Receives high-order doubleword of size */
1907 {
1908 UNICODE_STRING nt_name;
1909 OBJECT_ATTRIBUTES attr;
1910 IO_STATUS_BLOCK io;
1911 NTSTATUS status;
1912 HANDLE handle;
1913 DWORD ret = INVALID_FILE_SIZE;
1914
1915 TRACE("%s %p\n", debugstr_w(name), size_high);
1916
1917 if (!RtlDosPathNameToNtPathName_U( name, &nt_name, NULL, NULL ))
1918 {
1919 SetLastError( ERROR_PATH_NOT_FOUND );
1920 return INVALID_FILE_SIZE;
1921 }
1922
1923 attr.Length = sizeof(attr);
1924 attr.RootDirectory = 0;
1925 attr.Attributes = OBJ_CASE_INSENSITIVE;
1926 attr.ObjectName = &nt_name;
1927 attr.SecurityDescriptor = NULL;
1928 attr.SecurityQualityOfService = NULL;
1929
1930 status = NtOpenFile( &handle, 0, &attr, &io, 0, FILE_SYNCHRONOUS_IO_NONALERT );
1931 RtlFreeUnicodeString( &nt_name );
1932
1933 if (status == STATUS_SUCCESS)
1934 {
1935 /* we don't support compressed files, simply return the file size */
1936 ret = GetFileSize( handle, size_high );
1937 NtClose( handle );
1938 }
1939 else SetLastError( RtlNtStatusToDosError(status) );
1940
1941 return ret;
1942 }
1943
1944
1945 /******************************************************************************
1946 * GetCompressedFileSizeA (KERNEL32.@)
1947 */
1948 DWORD WINAPI GetCompressedFileSizeA( LPCSTR name, LPDWORD size_high )
1949 {
1950 WCHAR *nameW;
1951
1952 if (!(nameW = FILE_name_AtoW( name, FALSE ))) return INVALID_FILE_SIZE;
1953 return GetCompressedFileSizeW( nameW, size_high );
1954 }
1955
1956
1957 /***********************************************************************
1958 * OpenFile (KERNEL32.@)
1959 */
1960 HFILE WINAPI OpenFile( LPCSTR name, OFSTRUCT *ofs, UINT mode )
1961 {
1962 HANDLE handle;
1963 FILETIME filetime;
1964 WORD filedatetime[2];
1965
1966 if (!ofs) return HFILE_ERROR;
1967
1968 TRACE("%s %s %s %s%s%s%s%s%s%s%s%s\n",name,
1969 ((mode & 0x3 )==OF_READ)?"OF_READ":
1970 ((mode & 0x3 )==OF_WRITE)?"OF_WRITE":
1971 ((mode & 0x3 )==OF_READWRITE)?"OF_READWRITE":"unknown",
1972 ((mode & 0x70 )==OF_SHARE_COMPAT)?"OF_SHARE_COMPAT":
1973 ((mode & 0x70 )==OF_SHARE_DENY_NONE)?"OF_SHARE_DENY_NONE":
1974 ((mode & 0x70 )==OF_SHARE_DENY_READ)?"OF_SHARE_DENY_READ":
1975 ((mode & 0x70 )==OF_SHARE_DENY_WRITE)?"OF_SHARE_DENY_WRITE":
1976 ((mode & 0x70 )==OF_SHARE_EXCLUSIVE)?"OF_SHARE_EXCLUSIVE":"unknown",
1977 ((mode & OF_PARSE )==OF_PARSE)?"OF_PARSE ":"",
1978 ((mode & OF_DELETE )==OF_DELETE)?"OF_DELETE ":"",
1979 ((mode & OF_VERIFY )==OF_VERIFY)?"OF_VERIFY ":"",
1980 ((mode & OF_SEARCH )==OF_SEARCH)?"OF_SEARCH ":"",
1981 ((mode & OF_CANCEL )==OF_CANCEL)?"OF_CANCEL ":"",
1982 ((mode & OF_CREATE )==OF_CREATE)?"OF_CREATE ":"",
1983 ((mode & OF_PROMPT )==OF_PROMPT)?"OF_PROMPT ":"",
1984 ((mode & OF_EXIST )==OF_EXIST)?"OF_EXIST ":"",
1985 ((mode & OF_REOPEN )==OF_REOPEN)?"OF_REOPEN ":""
1986 );
1987
1988
1989 ofs->cBytes = sizeof(OFSTRUCT);
1990 ofs->nErrCode = 0;
1991 if (mode & OF_REOPEN) name = ofs->szPathName;
1992
1993 if (!name) return HFILE_ERROR;
1994
1995 TRACE("%s %04x\n", name, mode );
1996
1997 /* the watcom 10.6 IDE relies on a valid path returned in ofs->szPathName
1998 Are there any cases where getting the path here is wrong?
1999 Uwe Bonnes 1997 Apr 2 */
2000 if (!GetFullPathNameA( name, sizeof(ofs->szPathName), ofs->szPathName, NULL )) goto error;
2001
2002 /* OF_PARSE simply fills the structure */
2003
2004 if (mode & OF_PARSE)
2005 {
2006 ofs->fFixedDisk = (GetDriveTypeA( ofs->szPathName ) != DRIVE_REMOVABLE);
2007 TRACE("(%s): OF_PARSE, res = '%s'\n", name, ofs->szPathName );
2008 return 0;
2009 }
2010
2011 /* OF_CREATE is completely different from all other options, so
2012 handle it first */
2013
2014 if (mode & OF_CREATE)
2015 {
2016 if ((handle = create_file_OF( name, mode )) == INVALID_HANDLE_VALUE)
2017 goto error;
2018 }
2019 else
2020 {
2021 /* Now look for the file */
2022
2023 if (!SearchPathA( NULL, name, NULL, sizeof(ofs->szPathName), ofs->szPathName, NULL ))
2024 goto error;
2025
2026 TRACE("found %s\n", debugstr_a(ofs->szPathName) );
2027
2028 if (mode & OF_DELETE)
2029 {
2030 if (!DeleteFileA( ofs->szPathName )) goto error;
2031 TRACE("(%s): OF_DELETE return = OK\n", name);
2032 return TRUE;
2033 }
2034
2035 handle = (HANDLE)_lopen( ofs->szPathName, mode );
2036 if (handle == INVALID_HANDLE_VALUE) goto error;
2037
2038 GetFileTime( handle, NULL, NULL, &filetime );
2039 FileTimeToDosDateTime( &filetime, &filedatetime[0], &filedatetime[1] );
2040 if ((mode & OF_VERIFY) && (mode & OF_REOPEN))
2041 {
2042 if (ofs->Reserved1 != filedatetime[0] || ofs->Reserved2 != filedatetime[1] )
2043 {
2044 CloseHandle( handle );
2045 WARN("(%s): OF_VERIFY failed\n", name );
2046 /* FIXME: what error here? */
2047 SetLastError( ERROR_FILE_NOT_FOUND );
2048 goto error;
2049 }
2050 }
2051 ofs->Reserved1 = filedatetime[0];
2052 ofs->Reserved2 = filedatetime[1];
2053 }
2054 TRACE("(%s): OK, return = %p\n", name, handle );
2055 if (mode & OF_EXIST) /* Return TRUE instead of a handle */
2056 {
2057 CloseHandle( handle );
2058 return TRUE;
2059 }
2060 else return (HFILE)handle;
2061
2062 error: /* We get here if there was an error opening the file */
2063 ofs->nErrCode = GetLastError();
2064 WARN("(%s): return = HFILE_ERROR error= %d\n", name,ofs->nErrCode );
2065 return HFILE_ERROR;
2066 }
GSOC 2012 project to enhance the control panel