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- better support for non-blocking COMM and socket read/writes:
[wine/multimedia.git] / dlls / kernel / file.c
blobfefe71506eb74f07bf1e1c17880ed2095da579cf
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 <errno.h>
27
28 #define NONAMELESSUNION
29 #define NONAMELESSSTRUCT
30 #include "winerror.h"
31 #include "ntstatus.h"
32 #include "windef.h"
33 #include "winbase.h"
34 #include "winreg.h"
35 #include "winternl.h"
36 #include "winioctl.h"
37 #include "wincon.h"
38 #include "wine/winbase16.h"
39 #include "kernel_private.h"
40
41 #include "wine/exception.h"
42 #include "excpt.h"
43 #include "wine/unicode.h"
44 #include "wine/debug.h"
45 #include "async.h"
46
47 WINE_DEFAULT_DEBUG_CHANNEL(file);
48
49 HANDLE dos_handles[DOS_TABLE_SIZE];
50
51 /* info structure for FindFirstFile handle */
52 typedef struct
53 {
54 DWORD magic; /* magic number */
55 HANDLE handle; /* handle to directory */
56 CRITICAL_SECTION cs; /* crit section protecting this structure */
57 UNICODE_STRING mask; /* file mask */
58 BOOL is_root; /* is directory the root of the drive? */
59 UINT data_pos; /* current position in dir data */
60 UINT data_len; /* length of dir data */
61 BYTE data[8192]; /* directory data */
62 } FIND_FIRST_INFO;
63
64 #define FIND_FIRST_MAGIC 0xc0ffee11
65
66 static BOOL oem_file_apis;
67
68 static WINE_EXCEPTION_FILTER(page_fault)
69 {
70 if (GetExceptionCode() == EXCEPTION_ACCESS_VIOLATION)
71 return EXCEPTION_EXECUTE_HANDLER;
72 return EXCEPTION_CONTINUE_SEARCH;
73 }
74
75
76 /***********************************************************************
77 * create_file_OF
78 *
79 * Wrapper for CreateFile that takes OF_* mode flags.
80 */
81 static HANDLE create_file_OF( LPCSTR path, INT mode )
82 {
83 DWORD access, sharing, creation;
84
85 if (mode & OF_CREATE)
86 {
87 creation = CREATE_ALWAYS;
88 access = GENERIC_READ | GENERIC_WRITE;
89 }
90 else
91 {
92 creation = OPEN_EXISTING;
93 switch(mode & 0x03)
94 {
95 case OF_READ: access = GENERIC_READ; break;
96 case OF_WRITE: access = GENERIC_WRITE; break;
97 case OF_READWRITE: access = GENERIC_READ | GENERIC_WRITE; break;
98 default: access = 0; break;
99 }
100 }
101
102 switch(mode & 0x70)
103 {
104 case OF_SHARE_EXCLUSIVE: sharing = 0; break;
105 case OF_SHARE_DENY_WRITE: sharing = FILE_SHARE_READ; break;
106 case OF_SHARE_DENY_READ: sharing = FILE_SHARE_WRITE; break;
107 case OF_SHARE_DENY_NONE:
108 case OF_SHARE_COMPAT:
109 default: sharing = FILE_SHARE_READ | FILE_SHARE_WRITE; break;
110 }
111 return CreateFileA( path, access, sharing, NULL, creation, FILE_ATTRIBUTE_NORMAL, 0 );
112 }
113
114
115 /***********************************************************************
116 * FILE_SetDosError
117 *
118 * Set the DOS error code from errno.
119 */
120 void FILE_SetDosError(void)
121 {
122 int save_errno = errno; /* errno gets overwritten by printf */
123
124 TRACE("errno = %d %s\n", errno, strerror(errno));
125 switch (save_errno)
126 {
127 case EAGAIN:
128 SetLastError( ERROR_SHARING_VIOLATION );
129 break;
130 case EBADF:
131 SetLastError( ERROR_INVALID_HANDLE );
132 break;
133 case ENOSPC:
134 SetLastError( ERROR_HANDLE_DISK_FULL );
135 break;
136 case EACCES:
137 case EPERM:
138 case EROFS:
139 SetLastError( ERROR_ACCESS_DENIED );
140 break;
141 case EBUSY:
142 SetLastError( ERROR_LOCK_VIOLATION );
143 break;
144 case ENOENT:
145 SetLastError( ERROR_FILE_NOT_FOUND );
146 break;
147 case EISDIR:
148 SetLastError( ERROR_CANNOT_MAKE );
149 break;
150 case ENFILE:
151 case EMFILE:
152 SetLastError( ERROR_TOO_MANY_OPEN_FILES );
153 break;
154 case EEXIST:
155 SetLastError( ERROR_FILE_EXISTS );
156 break;
157 case EINVAL:
158 case ESPIPE:
159 SetLastError( ERROR_SEEK );
160 break;
161 case ENOTEMPTY:
162 SetLastError( ERROR_DIR_NOT_EMPTY );
163 break;
164 case ENOEXEC:
165 SetLastError( ERROR_BAD_FORMAT );
166 break;
167 case ENOTDIR:
168 SetLastError( ERROR_PATH_NOT_FOUND );
169 break;
170 case EXDEV:
171 SetLastError( ERROR_NOT_SAME_DEVICE );
172 break;
173 default:
174 WARN("unknown file error: %s\n", strerror(save_errno) );
175 SetLastError( ERROR_GEN_FAILURE );
176 break;
177 }
178 errno = save_errno;
179 }
180
181
182 /***********************************************************************
183 * FILE_name_AtoW
184 *
185 * Convert a file name to Unicode, taking into account the OEM/Ansi API mode.
186 *
187 * If alloc is FALSE uses the TEB static buffer, so it can only be used when
188 * there is no possibility for the function to do that twice, taking into
189 * account any called function.
190 */
191 WCHAR *FILE_name_AtoW( LPCSTR name, BOOL alloc )
192 {
193 ANSI_STRING str;
194 UNICODE_STRING strW, *pstrW;
195 NTSTATUS status;
196
197 RtlInitAnsiString( &str, name );
198 pstrW = alloc ? &strW : &NtCurrentTeb()->StaticUnicodeString;
199 if (oem_file_apis)
200 status = RtlOemStringToUnicodeString( pstrW, &str, alloc );
201 else
202 status = RtlAnsiStringToUnicodeString( pstrW, &str, alloc );
203 if (status == STATUS_SUCCESS) return pstrW->Buffer;
204
205 if (status == STATUS_BUFFER_OVERFLOW)
206 SetLastError( ERROR_FILENAME_EXCED_RANGE );
207 else
208 SetLastError( RtlNtStatusToDosError(status) );
209 return NULL;
210 }
211
212
213 /***********************************************************************
214 * FILE_name_WtoA
215 *
216 * Convert a file name back to OEM/Ansi. Returns number of bytes copied.
217 */
218 DWORD FILE_name_WtoA( LPCWSTR src, INT srclen, LPSTR dest, INT destlen )
219 {
220 DWORD ret;
221
222 if (srclen < 0) srclen = strlenW( src ) + 1;
223 if (oem_file_apis)
224 RtlUnicodeToOemN( dest, destlen, &ret, src, srclen * sizeof(WCHAR) );
225 else
226 RtlUnicodeToMultiByteN( dest, destlen, &ret, src, srclen * sizeof(WCHAR) );
227 return ret;
228 }
229
230
231 /**************************************************************************
232 * SetFileApisToOEM (KERNEL32.@)
233 */
234 VOID WINAPI SetFileApisToOEM(void)
235 {
236 oem_file_apis = TRUE;
237 }
238
239
240 /**************************************************************************
241 * SetFileApisToANSI (KERNEL32.@)
242 */
243 VOID WINAPI SetFileApisToANSI(void)
244 {
245 oem_file_apis = FALSE;
246 }
247
248
249 /******************************************************************************
250 * AreFileApisANSI (KERNEL32.@)
251 *
252 * Determines if file functions are using ANSI
253 *
254 * RETURNS
255 * TRUE: Set of file functions is using ANSI code page
256 * FALSE: Set of file functions is using OEM code page
257 */
258 BOOL WINAPI AreFileApisANSI(void)
259 {
260 return !oem_file_apis;
261 }
262
263
264 /**************************************************************************
265 * Operations on file handles *
266 **************************************************************************/
267
268 /***********************************************************************
269 * FILE_InitProcessDosHandles
270 *
271 * Allocates the default DOS handles for a process. Called either by
272 * Win32HandleToDosFileHandle below or by the DOSVM stuff.
273 */
274 static void FILE_InitProcessDosHandles( void )
275 {
276 static BOOL init_done /* = FALSE */;
277 HANDLE cp = GetCurrentProcess();
278
279 if (init_done) return;
280 init_done = TRUE;
281 DuplicateHandle(cp, GetStdHandle(STD_INPUT_HANDLE), cp, &dos_handles[0],
282 0, TRUE, DUPLICATE_SAME_ACCESS);
283 DuplicateHandle(cp, GetStdHandle(STD_OUTPUT_HANDLE), cp, &dos_handles[1],
284 0, TRUE, DUPLICATE_SAME_ACCESS);
285 DuplicateHandle(cp, GetStdHandle(STD_ERROR_HANDLE), cp, &dos_handles[2],
286 0, TRUE, DUPLICATE_SAME_ACCESS);
287 DuplicateHandle(cp, GetStdHandle(STD_ERROR_HANDLE), cp, &dos_handles[3],
288 0, TRUE, DUPLICATE_SAME_ACCESS);
289 DuplicateHandle(cp, GetStdHandle(STD_ERROR_HANDLE), cp, &dos_handles[4],
290 0, TRUE, DUPLICATE_SAME_ACCESS);
291 }
292
293
294 /******************************************************************
295 * FILE_ReadWriteApc (internal)
296 */
297 static void WINAPI FILE_ReadWriteApc(void* apc_user, PIO_STATUS_BLOCK io_status, ULONG len)
298 {
299 LPOVERLAPPED_COMPLETION_ROUTINE cr = (LPOVERLAPPED_COMPLETION_ROUTINE)apc_user;
300
301 cr(RtlNtStatusToDosError(io_status->u.Status), len, (LPOVERLAPPED)io_status);
302 }
303
304
305 /***********************************************************************
306 * ReadFileEx (KERNEL32.@)
307 */
308 BOOL WINAPI ReadFileEx(HANDLE hFile, LPVOID buffer, DWORD bytesToRead,
309 LPOVERLAPPED overlapped,
310 LPOVERLAPPED_COMPLETION_ROUTINE lpCompletionRoutine)
311 {
312 LARGE_INTEGER offset;
313 NTSTATUS status;
314 PIO_STATUS_BLOCK io_status;
315
316 TRACE("(hFile=%p, buffer=%p, bytes=%lu, ovl=%p, ovl_fn=%p)\n", hFile, buffer, bytesToRead, overlapped, lpCompletionRoutine);
317
318 if (!overlapped)
319 {
320 SetLastError(ERROR_INVALID_PARAMETER);
321 return FALSE;
322 }
323
324 offset.u.LowPart = overlapped->Offset;
325 offset.u.HighPart = overlapped->OffsetHigh;
326 io_status = (PIO_STATUS_BLOCK)overlapped;
327 io_status->u.Status = STATUS_PENDING;
328
329 status = NtReadFile(hFile, NULL, FILE_ReadWriteApc, lpCompletionRoutine,
330 io_status, buffer, bytesToRead, &offset, NULL);
331
332 if (status)
333 {
334 SetLastError( RtlNtStatusToDosError(status) );
335 return FALSE;
336 }
337 return TRUE;
338 }
339
340
341 /***********************************************************************
342 * ReadFile (KERNEL32.@)
343 */
344 BOOL WINAPI ReadFile( HANDLE hFile, LPVOID buffer, DWORD bytesToRead,
345 LPDWORD bytesRead, LPOVERLAPPED overlapped )
346 {
347 LARGE_INTEGER offset;
348 PLARGE_INTEGER poffset = NULL;
349 IO_STATUS_BLOCK iosb;
350 PIO_STATUS_BLOCK io_status = &iosb;
351 HANDLE hEvent = 0;
352 NTSTATUS status;
353
354 TRACE("%p %p %ld %p %p\n", hFile, buffer, bytesToRead,
355 bytesRead, overlapped );
356
357 if (bytesRead) *bytesRead = 0; /* Do this before anything else */
358 if (!bytesToRead) return TRUE;
359
360 if (IsBadReadPtr(buffer, bytesToRead))
361 {
362 SetLastError(ERROR_WRITE_FAULT); /* FIXME */
363 return FALSE;
364 }
365 if (is_console_handle(hFile))
366 return ReadConsoleA(hFile, buffer, bytesToRead, bytesRead, NULL);
367
368 if (overlapped != NULL)
369 {
370 offset.u.LowPart = overlapped->Offset;
371 offset.u.HighPart = overlapped->OffsetHigh;
372 poffset = &offset;
373 hEvent = overlapped->hEvent;
374 io_status = (PIO_STATUS_BLOCK)overlapped;
375 }
376 io_status->u.Status = STATUS_PENDING;
377 io_status->Information = 0;
378
379 status = NtReadFile(hFile, hEvent, NULL, NULL, io_status, buffer, bytesToRead, poffset, NULL);
380
381 if (status != STATUS_PENDING && bytesRead)
382 *bytesRead = io_status->Information;
383
384 if (status && status != STATUS_END_OF_FILE)
385 {
386 SetLastError( RtlNtStatusToDosError(status) );
387 return FALSE;
388 }
389 return TRUE;
390 }
391
392
393 /***********************************************************************
394 * WriteFileEx (KERNEL32.@)
395 */
396 BOOL WINAPI WriteFileEx(HANDLE hFile, LPCVOID buffer, DWORD bytesToWrite,
397 LPOVERLAPPED overlapped,
398 LPOVERLAPPED_COMPLETION_ROUTINE lpCompletionRoutine)
399 {
400 LARGE_INTEGER offset;
401 NTSTATUS status;
402 PIO_STATUS_BLOCK io_status;
403
404 TRACE("%p %p %ld %p %p\n", hFile, buffer, bytesToWrite, overlapped, lpCompletionRoutine);
405
406 if (overlapped == NULL)
407 {
408 SetLastError(ERROR_INVALID_PARAMETER);
409 return FALSE;
410 }
411 offset.u.LowPart = overlapped->Offset;
412 offset.u.HighPart = overlapped->OffsetHigh;
413
414 io_status = (PIO_STATUS_BLOCK)overlapped;
415 io_status->u.Status = STATUS_PENDING;
416
417 status = NtWriteFile(hFile, NULL, FILE_ReadWriteApc, lpCompletionRoutine,
418 io_status, buffer, bytesToWrite, &offset, NULL);
419
420 if (status) SetLastError( RtlNtStatusToDosError(status) );
421 return !status;
422 }
423
424
425 /***********************************************************************
426 * WriteFile (KERNEL32.@)
427 */
428 BOOL WINAPI WriteFile( HANDLE hFile, LPCVOID buffer, DWORD bytesToWrite,
429 LPDWORD bytesWritten, LPOVERLAPPED overlapped )
430 {
431 HANDLE hEvent = NULL;
432 LARGE_INTEGER offset;
433 PLARGE_INTEGER poffset = NULL;
434 NTSTATUS status;
435 IO_STATUS_BLOCK iosb;
436 PIO_STATUS_BLOCK piosb = &iosb;
437
438 TRACE("%p %p %ld %p %p\n", hFile, buffer, bytesToWrite, bytesWritten, overlapped );
439
440 if (is_console_handle(hFile))
441 return WriteConsoleA(hFile, buffer, bytesToWrite, bytesWritten, NULL);
442
443 if (IsBadReadPtr(buffer, bytesToWrite))
444 {
445 SetLastError(ERROR_READ_FAULT); /* FIXME */
446 return FALSE;
447 }
448
449 if (overlapped)
450 {
451 offset.u.LowPart = overlapped->Offset;
452 offset.u.HighPart = overlapped->OffsetHigh;
453 poffset = &offset;
454 hEvent = overlapped->hEvent;
455 piosb = (PIO_STATUS_BLOCK)overlapped;
456 }
457 piosb->u.Status = STATUS_PENDING;
458 piosb->Information = 0;
459
460 status = NtWriteFile(hFile, hEvent, NULL, NULL, piosb,
461 buffer, bytesToWrite, poffset, NULL);
462 if (status)
463 {
464 SetLastError( RtlNtStatusToDosError(status) );
465 return FALSE;
466 }
467 if (bytesWritten) *bytesWritten = piosb->Information;
468
469 return TRUE;
470 }
471
472
473 /***********************************************************************
474 * GetOverlappedResult (KERNEL32.@)
475 *
476 * Check the result of an Asynchronous data transfer from a file.
477 *
478 * Parameters
479 * HANDLE hFile [in] handle of file to check on
480 * LPOVERLAPPED lpOverlapped [in/out] pointer to overlapped
481 * LPDWORD lpTransferred [in/out] number of bytes transferred
482 * BOOL bWait [in] wait for the transfer to complete ?
483 *
484 * RETURNS
485 * TRUE on success
486 * FALSE on failure
487 *
488 * If successful (and relevant) lpTransferred will hold the number of
489 * bytes transferred during the async operation.
490 *
491 * BUGS
492 *
493 * Currently only works for WaitCommEvent, ReadFile, WriteFile
494 * with communications ports.
495 *
496 */
497 BOOL WINAPI GetOverlappedResult(HANDLE hFile, LPOVERLAPPED lpOverlapped,
498 LPDWORD lpTransferred, BOOL bWait)
499 {
500 DWORD r = WAIT_OBJECT_0;
501
502 TRACE( "(%p %p %p %x)\n", hFile, lpOverlapped, lpTransferred, bWait );
503
504 if ( lpOverlapped == NULL )
505 {
506 ERR("lpOverlapped was null\n");
507 return FALSE;
508 }
509 if ( bWait )
510 {
511 if ( lpOverlapped->hEvent )
512 {
513 do
514 {
515 TRACE( "waiting on %p\n", lpOverlapped );
516 r = WaitForSingleObjectEx( lpOverlapped->hEvent, INFINITE, TRUE );
517 TRACE( "wait on %p returned %ld\n", lpOverlapped, r );
518 } while ( r == WAIT_IO_COMPLETION );
519 }
520 else
521 {
522 /* busy loop */
523 while ( (volatile DWORD)lpOverlapped->Internal == STATUS_PENDING )
524 Sleep( 10 );
525 }
526 }
527 else if ( lpOverlapped->Internal == STATUS_PENDING )
528 {
529 /* Wait in order to give APCs a chance to run. */
530 /* This is cheating, so we must set the event again in case of success -
531 it may be a non-manual reset event. */
532 do
533 {
534 TRACE( "waiting on %p\n", lpOverlapped );
535 r = WaitForSingleObjectEx( lpOverlapped->hEvent, 0, TRUE );
536 TRACE( "wait on %p returned %ld\n", lpOverlapped, r );
537 } while ( r == WAIT_IO_COMPLETION );
538 if ( r == WAIT_OBJECT_0 && lpOverlapped->hEvent )
539 NtSetEvent( lpOverlapped->hEvent, NULL );
540 }
541 if ( r == WAIT_FAILED )
542 {
543 ERR("wait operation failed\n");
544 return FALSE;
545 }
546 if (lpTransferred) *lpTransferred = lpOverlapped->InternalHigh;
547
548 switch ( lpOverlapped->Internal )
549 {
550 case STATUS_SUCCESS:
551 return TRUE;
552 case STATUS_PENDING:
553 SetLastError( ERROR_IO_INCOMPLETE );
554 if ( bWait ) ERR("PENDING status after waiting!\n");
555 return FALSE;
556 default:
557 SetLastError( RtlNtStatusToDosError( lpOverlapped->Internal ) );
558 return FALSE;
559 }
560 }
561
562 /***********************************************************************
563 * CancelIo (KERNEL32.@)
564 */
565 BOOL WINAPI CancelIo(HANDLE handle)
566 {
567 async_private *ovp,*t;
568
569 TRACE("handle = %p\n",handle);
570
571 for (ovp = NtCurrentTeb()->pending_list; ovp; ovp = t)
572 {
573 t = ovp->next;
574 if ( ovp->handle == handle )
575 cancel_async ( ovp );
576 }
577 SleepEx(1,TRUE);
578 return TRUE;
579 }
580
581 /***********************************************************************
582 * _hread (KERNEL32.@)
583 */
584 LONG WINAPI _hread( HFILE hFile, LPVOID buffer, LONG count)
585 {
586 return _lread( hFile, buffer, count );
587 }
588
589
590 /***********************************************************************
591 * _hwrite (KERNEL32.@)
592 *
593 * experimentation yields that _lwrite:
594 * o truncates the file at the current position with
595 * a 0 len write
596 * o returns 0 on a 0 length write
597 * o works with console handles
598 *
599 */
600 LONG WINAPI _hwrite( HFILE handle, LPCSTR buffer, LONG count )
601 {
602 DWORD result;
603
604 TRACE("%d %p %ld\n", handle, buffer, count );
605
606 if (!count)
607 {
608 /* Expand or truncate at current position */
609 if (!SetEndOfFile( (HANDLE)handle )) return HFILE_ERROR;
610 return 0;
611 }
612 if (!WriteFile( (HANDLE)handle, buffer, count, &result, NULL ))
613 return HFILE_ERROR;
614 return result;
615 }
616
617
618 /***********************************************************************
619 * _lclose (KERNEL32.@)
620 */
621 HFILE WINAPI _lclose( HFILE hFile )
622 {
623 TRACE("handle %d\n", hFile );
624 return CloseHandle( (HANDLE)hFile ) ? 0 : HFILE_ERROR;
625 }
626
627
628 /***********************************************************************
629 * _lcreat (KERNEL32.@)
630 */
631 HFILE WINAPI _lcreat( LPCSTR path, INT attr )
632 {
633 /* Mask off all flags not explicitly allowed by the doc */
634 attr &= FILE_ATTRIBUTE_READONLY | FILE_ATTRIBUTE_HIDDEN | FILE_ATTRIBUTE_SYSTEM;
635 TRACE("%s %02x\n", path, attr );
636 return (HFILE)CreateFileA( path, GENERIC_READ | GENERIC_WRITE,
637 FILE_SHARE_READ | FILE_SHARE_WRITE, NULL,
638 CREATE_ALWAYS, attr, 0 );
639 }
640
641
642 /***********************************************************************
643 * _lopen (KERNEL32.@)
644 */
645 HFILE WINAPI _lopen( LPCSTR path, INT mode )
646 {
647 TRACE("(%s,%04x)\n", debugstr_a(path), mode );
648 return (HFILE)create_file_OF( path, mode & ~OF_CREATE );
649 }
650
651 /***********************************************************************
652 * _lread (KERNEL32.@)
653 */
654 UINT WINAPI _lread( HFILE handle, LPVOID buffer, UINT count )
655 {
656 DWORD result;
657 if (!ReadFile( (HANDLE)handle, buffer, count, &result, NULL ))
658 return HFILE_ERROR;
659 return result;
660 }
661
662
663 /***********************************************************************
664 * _llseek (KERNEL32.@)
665 */
666 LONG WINAPI _llseek( HFILE hFile, LONG lOffset, INT nOrigin )
667 {
668 return SetFilePointer( (HANDLE)hFile, lOffset, NULL, nOrigin );
669 }
670
671
672 /***********************************************************************
673 * _lwrite (KERNEL32.@)
674 */
675 UINT WINAPI _lwrite( HFILE hFile, LPCSTR buffer, UINT count )
676 {
677 return (UINT)_hwrite( hFile, buffer, (LONG)count );
678 }
679
680
681 /***********************************************************************
682 * FlushFileBuffers (KERNEL32.@)
683 */
684 BOOL WINAPI FlushFileBuffers( HANDLE hFile )
685 {
686 NTSTATUS nts;
687 IO_STATUS_BLOCK ioblk;
688
689 if (is_console_handle( hFile ))
690 {
691 /* this will fail (as expected) for an output handle */
692 /* FIXME: wait until FlushFileBuffers is moved to dll/kernel */
693 /* return FlushConsoleInputBuffer( hFile ); */
694 return TRUE;
695 }
696 nts = NtFlushBuffersFile( hFile, &ioblk );
697 if (nts != STATUS_SUCCESS)
698 {
699 SetLastError( RtlNtStatusToDosError( nts ) );
700 return FALSE;
701 }
702
703 return TRUE;
704 }
705
706
707 /***********************************************************************
708 * GetFileType (KERNEL32.@)
709 */
710 DWORD WINAPI GetFileType( HANDLE hFile )
711 {
712 FILE_FS_DEVICE_INFORMATION info;
713 IO_STATUS_BLOCK io;
714 NTSTATUS status;
715
716 if (is_console_handle( hFile )) return FILE_TYPE_CHAR;
717
718 status = NtQueryVolumeInformationFile( hFile, &io, &info, sizeof(info), FileFsDeviceInformation );
719 if (status != STATUS_SUCCESS)
720 {
721 SetLastError( RtlNtStatusToDosError(status) );
722 return FILE_TYPE_UNKNOWN;
723 }
724
725 switch(info.DeviceType)
726 {
727 case FILE_DEVICE_NULL:
728 case FILE_DEVICE_SERIAL_PORT:
729 case FILE_DEVICE_PARALLEL_PORT:
730 case FILE_DEVICE_UNKNOWN:
731 return FILE_TYPE_CHAR;
732 case FILE_DEVICE_NAMED_PIPE:
733 return FILE_TYPE_PIPE;
734 default:
735 return FILE_TYPE_DISK;
736 }
737 }
738
739
740 /***********************************************************************
741 * GetFileInformationByHandle (KERNEL32.@)
742 */
743 BOOL WINAPI GetFileInformationByHandle( HANDLE hFile, BY_HANDLE_FILE_INFORMATION *info )
744 {
745 FILE_ALL_INFORMATION all_info;
746 IO_STATUS_BLOCK io;
747 NTSTATUS status;
748
749 status = NtQueryInformationFile( hFile, &io, &all_info, sizeof(all_info), FileAllInformation );
750 if (status == STATUS_SUCCESS)
751 {
752 info->dwFileAttributes = all_info.BasicInformation.FileAttributes;
753 info->ftCreationTime.dwHighDateTime = all_info.BasicInformation.CreationTime.u.HighPart;
754 info->ftCreationTime.dwLowDateTime = all_info.BasicInformation.CreationTime.u.LowPart;
755 info->ftLastAccessTime.dwHighDateTime = all_info.BasicInformation.LastAccessTime.u.HighPart;
756 info->ftLastAccessTime.dwLowDateTime = all_info.BasicInformation.LastAccessTime.u.LowPart;
757 info->ftLastWriteTime.dwHighDateTime = all_info.BasicInformation.LastWriteTime.u.HighPart;
758 info->ftLastWriteTime.dwLowDateTime = all_info.BasicInformation.LastWriteTime.u.LowPart;
759 info->dwVolumeSerialNumber = 0; /* FIXME */
760 info->nFileSizeHigh = all_info.StandardInformation.EndOfFile.u.HighPart;
761 info->nFileSizeLow = all_info.StandardInformation.EndOfFile.u.LowPart;
762 info->nNumberOfLinks = all_info.StandardInformation.NumberOfLinks;
763 info->nFileIndexHigh = all_info.InternalInformation.IndexNumber.u.HighPart;
764 info->nFileIndexLow = all_info.InternalInformation.IndexNumber.u.LowPart;
765 return TRUE;
766 }
767 SetLastError( RtlNtStatusToDosError(status) );
768 return FALSE;
769 }
770
771
772 /***********************************************************************
773 * GetFileSize (KERNEL32.@)
774 */
775 DWORD WINAPI GetFileSize( HANDLE hFile, LPDWORD filesizehigh )
776 {
777 LARGE_INTEGER size;
778 if (!GetFileSizeEx( hFile, &size )) return INVALID_FILE_SIZE;
779 if (filesizehigh) *filesizehigh = size.u.HighPart;
780 if (size.u.LowPart == INVALID_FILE_SIZE) SetLastError(0);
781 return size.u.LowPart;
782 }
783
784
785 /***********************************************************************
786 * GetFileSizeEx (KERNEL32.@)
787 */
788 BOOL WINAPI GetFileSizeEx( HANDLE hFile, PLARGE_INTEGER lpFileSize )
789 {
790 FILE_END_OF_FILE_INFORMATION info;
791 IO_STATUS_BLOCK io;
792 NTSTATUS status;
793
794 status = NtQueryInformationFile( hFile, &io, &info, sizeof(info), FileEndOfFileInformation );
795 if (status == STATUS_SUCCESS)
796 {
797 *lpFileSize = info.EndOfFile;
798 return TRUE;
799 }
800 SetLastError( RtlNtStatusToDosError(status) );
801 return FALSE;
802 }
803
804
805 /**************************************************************************
806 * SetEndOfFile (KERNEL32.@)
807 */
808 BOOL WINAPI SetEndOfFile( HANDLE hFile )
809 {
810 FILE_POSITION_INFORMATION pos;
811 FILE_END_OF_FILE_INFORMATION eof;
812 IO_STATUS_BLOCK io;
813 NTSTATUS status;
814
815 status = NtQueryInformationFile( hFile, &io, &pos, sizeof(pos), FilePositionInformation );
816 if (status == STATUS_SUCCESS)
817 {
818 eof.EndOfFile = pos.CurrentByteOffset;
819 status = NtSetInformationFile( hFile, &io, &eof, sizeof(eof), FileEndOfFileInformation );
820 }
821 if (status == STATUS_SUCCESS) return TRUE;
822 SetLastError( RtlNtStatusToDosError(status) );
823 return FALSE;
824 }
825
826
827 /***********************************************************************
828 * SetFilePointer (KERNEL32.@)
829 */
830 DWORD WINAPI SetFilePointer( HANDLE hFile, LONG distance, LONG *highword, DWORD method )
831 {
832 LARGE_INTEGER dist, newpos;
833
834 if (highword)
835 {
836 dist.u.LowPart = distance;
837 dist.u.HighPart = *highword;
838 }
839 else dist.QuadPart = distance;
840
841 if (!SetFilePointerEx( hFile, dist, &newpos, method )) return INVALID_SET_FILE_POINTER;
842
843 if (highword) *highword = newpos.u.HighPart;
844 if (newpos.u.LowPart == INVALID_SET_FILE_POINTER) SetLastError( 0 );
845 return newpos.u.LowPart;
846 }
847
848
849 /***********************************************************************
850 * SetFilePointerEx (KERNEL32.@)
851 */
852 BOOL WINAPI SetFilePointerEx( HANDLE hFile, LARGE_INTEGER distance,
853 LARGE_INTEGER *newpos, DWORD method )
854 {
855 static const int whence[3] = { SEEK_SET, SEEK_CUR, SEEK_END };
856 BOOL ret = FALSE;
857 NTSTATUS status;
858 int fd;
859
860 TRACE("handle %p offset %s newpos %p origin %ld\n",
861 hFile, wine_dbgstr_longlong(distance.QuadPart), newpos, method );
862
863 if (method > FILE_END)
864 {
865 SetLastError( ERROR_INVALID_PARAMETER );
866 return ret;
867 }
868
869 if (!(status = wine_server_handle_to_fd( hFile, 0, &fd, NULL, NULL )))
870 {
871 off_t pos, res;
872
873 pos = distance.QuadPart;
874 if ((res = lseek( fd, pos, whence[method] )) == (off_t)-1)
875 {
876 /* also check EPERM due to SuSE7 2.2.16 lseek() EPERM kernel bug */
877 if (((errno == EINVAL) || (errno == EPERM)) && (method != FILE_BEGIN) && (pos < 0))
878 SetLastError( ERROR_NEGATIVE_SEEK );
879 else
880 FILE_SetDosError();
881 }
882 else
883 {
884 ret = TRUE;
885 if( newpos )
886 newpos->QuadPart = res;
887 }
888 wine_server_release_fd( hFile, fd );
889 }
890 else SetLastError( RtlNtStatusToDosError(status) );
891
892 return ret;
893 }
894
895 /***********************************************************************
896 * GetFileTime (KERNEL32.@)
897 */
898 BOOL WINAPI GetFileTime( HANDLE hFile, FILETIME *lpCreationTime,
899 FILETIME *lpLastAccessTime, FILETIME *lpLastWriteTime )
900 {
901 FILE_BASIC_INFORMATION info;
902 IO_STATUS_BLOCK io;
903 NTSTATUS status;
904
905 status = NtQueryInformationFile( hFile, &io, &info, sizeof(info), FileBasicInformation );
906 if (status == STATUS_SUCCESS)
907 {
908 if (lpCreationTime)
909 {
910 lpCreationTime->dwHighDateTime = info.CreationTime.u.HighPart;
911 lpCreationTime->dwLowDateTime = info.CreationTime.u.LowPart;
912 }
913 if (lpLastAccessTime)
914 {
915 lpLastAccessTime->dwHighDateTime = info.LastAccessTime.u.HighPart;
916 lpLastAccessTime->dwLowDateTime = info.LastAccessTime.u.LowPart;
917 }
918 if (lpLastWriteTime)
919 {
920 lpLastWriteTime->dwHighDateTime = info.LastWriteTime.u.HighPart;
921 lpLastWriteTime->dwLowDateTime = info.LastWriteTime.u.LowPart;
922 }
923 return TRUE;
924 }
925 SetLastError( RtlNtStatusToDosError(status) );
926 return FALSE;
927 }
928
929
930 /***********************************************************************
931 * SetFileTime (KERNEL32.@)
932 */
933 BOOL WINAPI SetFileTime( HANDLE hFile, const FILETIME *ctime,
934 const FILETIME *atime, const FILETIME *mtime )
935 {
936 FILE_BASIC_INFORMATION info;
937 IO_STATUS_BLOCK io;
938 NTSTATUS status;
939
940 memset( &info, 0, sizeof(info) );
941 if (ctime)
942 {
943 info.CreationTime.u.HighPart = ctime->dwHighDateTime;
944 info.CreationTime.u.LowPart = ctime->dwLowDateTime;
945 }
946 if (atime)
947 {
948 info.LastAccessTime.u.HighPart = atime->dwHighDateTime;
949 info.LastAccessTime.u.LowPart = atime->dwLowDateTime;
950 }
951 if (mtime)
952 {
953 info.LastWriteTime.u.HighPart = mtime->dwHighDateTime;
954 info.LastWriteTime.u.LowPart = mtime->dwLowDateTime;
955 }
956
957 status = NtSetInformationFile( hFile, &io, &info, sizeof(info), FileBasicInformation );
958 if (status == STATUS_SUCCESS) return TRUE;
959 SetLastError( RtlNtStatusToDosError(status) );
960 return FALSE;
961 }
962
963
964 /**************************************************************************
965 * LockFile (KERNEL32.@)
966 */
967 BOOL WINAPI LockFile( HANDLE hFile, DWORD offset_low, DWORD offset_high,
968 DWORD count_low, DWORD count_high )
969 {
970 NTSTATUS status;
971 LARGE_INTEGER count, offset;
972
973 TRACE( "%p %lx%08lx %lx%08lx\n",
974 hFile, offset_high, offset_low, count_high, count_low );
975
976 count.u.LowPart = count_low;
977 count.u.HighPart = count_high;
978 offset.u.LowPart = offset_low;
979 offset.u.HighPart = offset_high;
980
981 status = NtLockFile( hFile, 0, NULL, NULL,
982 NULL, &offset, &count, NULL, TRUE, TRUE );
983
984 if (status != STATUS_SUCCESS) SetLastError( RtlNtStatusToDosError(status) );
985 return !status;
986 }
987
988
989 /**************************************************************************
990 * LockFileEx [KERNEL32.@]
991 *
992 * Locks a byte range within an open file for shared or exclusive access.
993 *
994 * RETURNS
995 * success: TRUE
996 * failure: FALSE
997 *
998 * NOTES
999 * Per Microsoft docs, the third parameter (reserved) must be set to 0.
1000 */
1001 BOOL WINAPI LockFileEx( HANDLE hFile, DWORD flags, DWORD reserved,
1002 DWORD count_low, DWORD count_high, LPOVERLAPPED overlapped )
1003 {
1004 NTSTATUS status;
1005 LARGE_INTEGER count, offset;
1006
1007 if (reserved)
1008 {
1009 SetLastError( ERROR_INVALID_PARAMETER );
1010 return FALSE;
1011 }
1012
1013 TRACE( "%p %lx%08lx %lx%08lx flags %lx\n",
1014 hFile, overlapped->OffsetHigh, overlapped->Offset,
1015 count_high, count_low, flags );
1016
1017 count.u.LowPart = count_low;
1018 count.u.HighPart = count_high;
1019 offset.u.LowPart = overlapped->Offset;
1020 offset.u.HighPart = overlapped->OffsetHigh;
1021
1022 status = NtLockFile( hFile, overlapped->hEvent, NULL, NULL,
1023 NULL, &offset, &count, NULL,
1024 flags & LOCKFILE_FAIL_IMMEDIATELY,
1025 flags & LOCKFILE_EXCLUSIVE_LOCK );
1026
1027 if (status) SetLastError( RtlNtStatusToDosError(status) );
1028 return !status;
1029 }
1030
1031
1032 /**************************************************************************
1033 * UnlockFile (KERNEL32.@)
1034 */
1035 BOOL WINAPI UnlockFile( HANDLE hFile, DWORD offset_low, DWORD offset_high,
1036 DWORD count_low, DWORD count_high )
1037 {
1038 NTSTATUS status;
1039 LARGE_INTEGER count, offset;
1040
1041 count.u.LowPart = count_low;
1042 count.u.HighPart = count_high;
1043 offset.u.LowPart = offset_low;
1044 offset.u.HighPart = offset_high;
1045
1046 status = NtUnlockFile( hFile, NULL, &offset, &count, NULL);
1047 if (status) SetLastError( RtlNtStatusToDosError(status) );
1048 return !status;
1049 }
1050
1051
1052 /**************************************************************************
1053 * UnlockFileEx (KERNEL32.@)
1054 */
1055 BOOL WINAPI UnlockFileEx( HANDLE hFile, DWORD reserved, DWORD count_low, DWORD count_high,
1056 LPOVERLAPPED overlapped )
1057 {
1058 if (reserved)
1059 {
1060 SetLastError( ERROR_INVALID_PARAMETER );
1061 return FALSE;
1062 }
1063 if (overlapped->hEvent) FIXME("Unimplemented overlapped operation\n");
1064
1065 return UnlockFile( hFile, overlapped->Offset, overlapped->OffsetHigh, count_low, count_high );
1066 }
1067
1068
1069 /***********************************************************************
1070 * Win32HandleToDosFileHandle (KERNEL32.21)
1071 *
1072 * Allocate a DOS handle for a Win32 handle. The Win32 handle is no
1073 * longer valid after this function (even on failure).
1074 *
1075 * Note: this is not exactly right, since on Win95 the Win32 handles
1076 * are on top of DOS handles and we do it the other way
1077 * around. Should be good enough though.
1078 */
1079 HFILE WINAPI Win32HandleToDosFileHandle( HANDLE handle )
1080 {
1081 int i;
1082
1083 if (!handle || (handle == INVALID_HANDLE_VALUE))
1084 return HFILE_ERROR;
1085
1086 FILE_InitProcessDosHandles();
1087 for (i = 0; i < DOS_TABLE_SIZE; i++)
1088 if (!dos_handles[i])
1089 {
1090 dos_handles[i] = handle;
1091 TRACE("Got %d for h32 %p\n", i, handle );
1092 return (HFILE)i;
1093 }
1094 CloseHandle( handle );
1095 SetLastError( ERROR_TOO_MANY_OPEN_FILES );
1096 return HFILE_ERROR;
1097 }
1098
1099
1100 /***********************************************************************
1101 * DosFileHandleToWin32Handle (KERNEL32.20)
1102 *
1103 * Return the Win32 handle for a DOS handle.
1104 *
1105 * Note: this is not exactly right, since on Win95 the Win32 handles
1106 * are on top of DOS handles and we do it the other way
1107 * around. Should be good enough though.
1108 */
1109 HANDLE WINAPI DosFileHandleToWin32Handle( HFILE handle )
1110 {
1111 HFILE16 hfile = (HFILE16)handle;
1112 if (hfile < 5) FILE_InitProcessDosHandles();
1113 if ((hfile >= DOS_TABLE_SIZE) || !dos_handles[hfile])
1114 {
1115 SetLastError( ERROR_INVALID_HANDLE );
1116 return INVALID_HANDLE_VALUE;
1117 }
1118 return dos_handles[hfile];
1119 }
1120
1121
1122 /*************************************************************************
1123 * SetHandleCount (KERNEL32.@)
1124 */
1125 UINT WINAPI SetHandleCount( UINT count )
1126 {
1127 return min( 256, count );
1128 }
1129
1130
1131 /***********************************************************************
1132 * DisposeLZ32Handle (KERNEL32.22)
1133 *
1134 * Note: this is not entirely correct, we should only close the
1135 * 32-bit handle and not the 16-bit one, but we cannot do
1136 * this because of the way our DOS handles are implemented.
1137 * It shouldn't break anything though.
1138 */
1139 void WINAPI DisposeLZ32Handle( HANDLE handle )
1140 {
1141 int i;
1142
1143 if (!handle || (handle == INVALID_HANDLE_VALUE)) return;
1144
1145 for (i = 5; i < DOS_TABLE_SIZE; i++)
1146 if (dos_handles[i] == handle)
1147 {
1148 dos_handles[i] = 0;
1149 CloseHandle( handle );
1150 break;
1151 }
1152 }
1153
1154 /**************************************************************************
1155 * Operations on file names *
1156 **************************************************************************/
1157
1158
1159 /*************************************************************************
1160 * CreateFileW [KERNEL32.@] Creates or opens a file or other object
1161 *
1162 * Creates or opens an object, and returns a handle that can be used to
1163 * access that object.
1164 *
1165 * PARAMS
1166 *
1167 * filename [in] pointer to filename to be accessed
1168 * access [in] access mode requested
1169 * sharing [in] share mode
1170 * sa [in] pointer to security attributes
1171 * creation [in] how to create the file
1172 * attributes [in] attributes for newly created file
1173 * template [in] handle to file with extended attributes to copy
1174 *
1175 * RETURNS
1176 * Success: Open handle to specified file
1177 * Failure: INVALID_HANDLE_VALUE
1178 */
1179 HANDLE WINAPI CreateFileW( LPCWSTR filename, DWORD access, DWORD sharing,
1180 LPSECURITY_ATTRIBUTES sa, DWORD creation,
1181 DWORD attributes, HANDLE template )
1182 {
1183 NTSTATUS status;
1184 UINT options;
1185 OBJECT_ATTRIBUTES attr;
1186 UNICODE_STRING nameW;
1187 IO_STATUS_BLOCK io;
1188 HANDLE ret;
1189 DWORD dosdev;
1190 static const WCHAR bkslashes_with_dotW[] = {'\\','\\','.','\\',0};
1191 static const WCHAR coninW[] = {'C','O','N','I','N','$',0};
1192 static const WCHAR conoutW[] = {'C','O','N','O','U','T','$',0};
1193
1194 static const char * const creation_name[5] =
1195 { "CREATE_NEW", "CREATE_ALWAYS", "OPEN_EXISTING", "OPEN_ALWAYS", "TRUNCATE_EXISTING" };
1196
1197 static const UINT nt_disposition[5] =
1198 {
1199 FILE_CREATE, /* CREATE_NEW */
1200 FILE_OVERWRITE_IF, /* CREATE_ALWAYS */
1201 FILE_OPEN, /* OPEN_EXISTING */
1202 FILE_OPEN_IF, /* OPEN_ALWAYS */
1203 FILE_OVERWRITE /* TRUNCATE_EXISTING */
1204 };
1205
1206
1207 /* sanity checks */
1208
1209 if (!filename || !filename[0])
1210 {
1211 SetLastError( ERROR_PATH_NOT_FOUND );
1212 return INVALID_HANDLE_VALUE;
1213 }
1214
1215 if (creation < CREATE_NEW || creation > TRUNCATE_EXISTING)
1216 {
1217 SetLastError( ERROR_INVALID_PARAMETER );
1218 return INVALID_HANDLE_VALUE;
1219 }
1220
1221 TRACE("%s %s%s%s%s%s%s%s attributes 0x%lx\n", debugstr_w(filename),
1222 (access & GENERIC_READ)?"GENERIC_READ ":"",
1223 (access & GENERIC_WRITE)?"GENERIC_WRITE ":"",
1224 (!access)?"QUERY_ACCESS ":"",
1225 (sharing & FILE_SHARE_READ)?"FILE_SHARE_READ ":"",
1226 (sharing & FILE_SHARE_WRITE)?"FILE_SHARE_WRITE ":"",
1227 (sharing & FILE_SHARE_DELETE)?"FILE_SHARE_DELETE ":"",
1228 creation_name[creation - CREATE_NEW], attributes);
1229
1230 /* Open a console for CONIN$ or CONOUT$ */
1231
1232 if (!strcmpiW(filename, coninW) || !strcmpiW(filename, conoutW))
1233 {
1234 ret = OpenConsoleW(filename, access, (sa && sa->bInheritHandle), creation);
1235 goto done;
1236 }
1237
1238 if (!strncmpW(filename, bkslashes_with_dotW, 4))
1239 {
1240 static const WCHAR pipeW[] = {'P','I','P','E','\\',0};
1241
1242 if ((isalphaW(filename[4]) && filename[5] == ':' && filename[6] == '\0') ||
1243 !strncmpiW( filename + 4, pipeW, 5 ))
1244 {
1245 dosdev = 0;
1246 }
1247 else if ((dosdev = RtlIsDosDeviceName_U( filename + 4 )))
1248 {
1249 dosdev += MAKELONG( 0, 4*sizeof(WCHAR) ); /* adjust position to start of filename */
1250 }
1251 else if (filename[4])
1252 {
1253 ret = VXD_Open( filename+4, access, sa );
1254 goto done;
1255 }
1256 else
1257 {
1258 SetLastError( ERROR_INVALID_NAME );
1259 return INVALID_HANDLE_VALUE;
1260 }
1261 }
1262 else dosdev = RtlIsDosDeviceName_U( filename );
1263
1264 if (dosdev)
1265 {
1266 static const WCHAR conW[] = {'C','O','N'};
1267
1268 if (LOWORD(dosdev) == sizeof(conW) &&
1269 !memicmpW( filename + HIWORD(dosdev)/sizeof(WCHAR), conW, sizeof(conW)))
1270 {
1271 switch (access & (GENERIC_READ|GENERIC_WRITE))
1272 {
1273 case GENERIC_READ:
1274 ret = OpenConsoleW(coninW, access, (sa && sa->bInheritHandle), creation);
1275 goto done;
1276 case GENERIC_WRITE:
1277 ret = OpenConsoleW(conoutW, access, (sa && sa->bInheritHandle), creation);
1278 goto done;
1279 default:
1280 SetLastError( ERROR_FILE_NOT_FOUND );
1281 return INVALID_HANDLE_VALUE;
1282 }
1283 }
1284 }
1285
1286 if (!RtlDosPathNameToNtPathName_U( filename, &nameW, NULL, NULL ))
1287 {
1288 SetLastError( ERROR_PATH_NOT_FOUND );
1289 return INVALID_HANDLE_VALUE;
1290 }
1291
1292 /* now call NtCreateFile */
1293
1294 options = 0;
1295 if (attributes & FILE_FLAG_BACKUP_SEMANTICS)
1296 options |= FILE_OPEN_FOR_BACKUP_INTENT;
1297 else
1298 options |= FILE_NON_DIRECTORY_FILE;
1299 if (attributes & FILE_FLAG_DELETE_ON_CLOSE)
1300 options |= FILE_DELETE_ON_CLOSE;
1301 if (!(attributes & FILE_FLAG_OVERLAPPED))
1302 options |= FILE_SYNCHRONOUS_IO_ALERT;
1303 if (attributes & FILE_FLAG_RANDOM_ACCESS)
1304 options |= FILE_RANDOM_ACCESS;
1305 attributes &= FILE_ATTRIBUTE_VALID_FLAGS;
1306
1307 attr.Length = sizeof(attr);
1308 attr.RootDirectory = 0;
1309 attr.Attributes = OBJ_CASE_INSENSITIVE;
1310 attr.ObjectName = &nameW;
1311 attr.SecurityDescriptor = sa ? sa->lpSecurityDescriptor : NULL;
1312 attr.SecurityQualityOfService = NULL;
1313
1314 if (sa && sa->bInheritHandle) attr.Attributes |= OBJ_INHERIT;
1315
1316 status = NtCreateFile( &ret, access, &attr, &io, NULL, attributes,
1317 sharing, nt_disposition[creation - CREATE_NEW],
1318 options, NULL, 0 );
1319 if (status)
1320 {
1321 WARN("Unable to create file %s (status %lx)\n", debugstr_w(filename), status);
1322 ret = INVALID_HANDLE_VALUE;
1323
1324 /* In the case file creation was rejected due to CREATE_NEW flag
1325 * was specified and file with that name already exists, correct
1326 * last error is ERROR_FILE_EXISTS and not ERROR_ALREADY_EXISTS.
1327 * Note: RtlNtStatusToDosError is not the subject to blame here.
1328 */
1329 if (status == STATUS_OBJECT_NAME_COLLISION)
1330 SetLastError( ERROR_FILE_EXISTS );
1331 else
1332 SetLastError( RtlNtStatusToDosError(status) );
1333 }
1334 else SetLastError(0);
1335 RtlFreeUnicodeString( &nameW );
1336
1337 done:
1338 if (!ret) ret = INVALID_HANDLE_VALUE;
1339 TRACE("returning %p\n", ret);
1340 return ret;
1341 }
1342
1343
1344
1345 /*************************************************************************
1346 * CreateFileA (KERNEL32.@)
1347 */
1348 HANDLE WINAPI CreateFileA( LPCSTR filename, DWORD access, DWORD sharing,
1349 LPSECURITY_ATTRIBUTES sa, DWORD creation,
1350 DWORD attributes, HANDLE template)
1351 {
1352 WCHAR *nameW;
1353
1354 if (!(nameW = FILE_name_AtoW( filename, FALSE ))) return INVALID_HANDLE_VALUE;
1355 return CreateFileW( nameW, access, sharing, sa, creation, attributes, template );
1356 }
1357
1358
1359 /***********************************************************************
1360 * DeleteFileW (KERNEL32.@)
1361 */
1362 BOOL WINAPI DeleteFileW( LPCWSTR path )
1363 {
1364 HANDLE hFile;
1365
1366 TRACE("%s\n", debugstr_w(path) );
1367
1368 hFile = CreateFileW( path, GENERIC_READ | GENERIC_WRITE,
1369 FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
1370 NULL, OPEN_EXISTING, FILE_FLAG_DELETE_ON_CLOSE, 0 );
1371 if (hFile == INVALID_HANDLE_VALUE) return FALSE;
1372
1373 CloseHandle(hFile); /* last close will delete the file */
1374 return TRUE;
1375 }
1376
1377
1378 /***********************************************************************
1379 * DeleteFileA (KERNEL32.@)
1380 */
1381 BOOL WINAPI DeleteFileA( LPCSTR path )
1382 {
1383 WCHAR *pathW;
1384
1385 if (!(pathW = FILE_name_AtoW( path, FALSE ))) return FALSE;
1386 return DeleteFileW( pathW );
1387 }
1388
1389
1390 /**************************************************************************
1391 * ReplaceFileW (KERNEL32.@)
1392 * ReplaceFile (KERNEL32.@)
1393 */
1394 BOOL WINAPI ReplaceFileW(LPCWSTR lpReplacedFileName,LPCWSTR lpReplacementFileName,
1395 LPCWSTR lpBackupFileName, DWORD dwReplaceFlags,
1396 LPVOID lpExclude, LPVOID lpReserved)
1397 {
1398 FIXME("(%s,%s,%s,%08lx,%p,%p) stub\n",debugstr_w(lpReplacedFileName),debugstr_w(lpReplacementFileName),
1399 debugstr_w(lpBackupFileName),dwReplaceFlags,lpExclude,lpReserved);
1400 SetLastError(ERROR_UNABLE_TO_MOVE_REPLACEMENT);
1401 return FALSE;
1402 }
1403
1404
1405 /**************************************************************************
1406 * ReplaceFileA (KERNEL32.@)
1407 */
1408 BOOL WINAPI ReplaceFileA(LPCSTR lpReplacedFileName,LPCSTR lpReplacementFileName,
1409 LPCSTR lpBackupFileName, DWORD dwReplaceFlags,
1410 LPVOID lpExclude, LPVOID lpReserved)
1411 {
1412 FIXME("(%s,%s,%s,%08lx,%p,%p) stub\n",lpReplacedFileName,lpReplacementFileName,
1413 lpBackupFileName,dwReplaceFlags,lpExclude,lpReserved);
1414 SetLastError(ERROR_UNABLE_TO_MOVE_REPLACEMENT);
1415 return FALSE;
1416 }
1417
1418
1419 /*************************************************************************
1420 * FindFirstFileExW (KERNEL32.@)
1421 */
1422 HANDLE WINAPI FindFirstFileExW( LPCWSTR filename, FINDEX_INFO_LEVELS level,
1423 LPVOID data, FINDEX_SEARCH_OPS search_op,
1424 LPVOID filter, DWORD flags)
1425 {
1426 WCHAR *mask, *p;
1427 FIND_FIRST_INFO *info = NULL;
1428 UNICODE_STRING nt_name;
1429 OBJECT_ATTRIBUTES attr;
1430 IO_STATUS_BLOCK io;
1431 NTSTATUS status;
1432
1433 TRACE("%s %d %p %d %p %lx\n", debugstr_w(filename), level, data, search_op, filter, flags);
1434
1435 if ((search_op != FindExSearchNameMatch) || (flags != 0))
1436 {
1437 FIXME("options not implemented 0x%08x 0x%08lx\n", search_op, flags );
1438 return INVALID_HANDLE_VALUE;
1439 }
1440 if (level != FindExInfoStandard)
1441 {
1442 FIXME("info level %d not implemented\n", level );
1443 return INVALID_HANDLE_VALUE;
1444 }
1445
1446 if (!RtlDosPathNameToNtPathName_U( filename, &nt_name, &mask, NULL ))
1447 {
1448 SetLastError( ERROR_PATH_NOT_FOUND );
1449 return INVALID_HANDLE_VALUE;
1450 }
1451
1452 if (!mask || !*mask)
1453 {
1454 SetLastError( ERROR_FILE_NOT_FOUND );
1455 goto error;
1456 }
1457
1458 if (!(info = HeapAlloc( GetProcessHeap(), 0, sizeof(*info))))
1459 {
1460 SetLastError( ERROR_NOT_ENOUGH_MEMORY );
1461 goto error;
1462 }
1463
1464 if (!RtlCreateUnicodeString( &info->mask, mask ))
1465 {
1466 SetLastError( ERROR_NOT_ENOUGH_MEMORY );
1467 goto error;
1468 }
1469
1470 /* truncate dir name before mask */
1471 *mask = 0;
1472 nt_name.Length = (mask - nt_name.Buffer) * sizeof(WCHAR);
1473
1474 /* check if path is the root of the drive */
1475 info->is_root = FALSE;
1476 p = nt_name.Buffer + 4; /* skip \??\ prefix */
1477 if (p[0] && p[1] == ':')
1478 {
1479 p += 2;
1480 while (*p == '\\') p++;
1481 info->is_root = (*p == 0);
1482 }
1483
1484 attr.Length = sizeof(attr);
1485 attr.RootDirectory = 0;
1486 attr.Attributes = OBJ_CASE_INSENSITIVE;
1487 attr.ObjectName = &nt_name;
1488 attr.SecurityDescriptor = NULL;
1489 attr.SecurityQualityOfService = NULL;
1490
1491 status = NtOpenFile( &info->handle, GENERIC_READ, &attr, &io,
1492 FILE_SHARE_READ | FILE_SHARE_WRITE,
1493 FILE_DIRECTORY_FILE | FILE_SYNCHRONOUS_IO_NONALERT );
1494
1495 if (status != STATUS_SUCCESS)
1496 {
1497 RtlFreeUnicodeString( &info->mask );
1498 SetLastError( RtlNtStatusToDosError(status) );
1499 goto error;
1500 }
1501 RtlFreeUnicodeString( &nt_name );
1502
1503 RtlInitializeCriticalSection( &info->cs );
1504 info->magic = FIND_FIRST_MAGIC;
1505 info->data_pos = 0;
1506 info->data_len = 0;
1507
1508 if (!FindNextFileW( (HANDLE)info, data ))
1509 {
1510 TRACE( "%s not found\n", debugstr_w(filename) );
1511 FindClose( (HANDLE)info );
1512 SetLastError( ERROR_FILE_NOT_FOUND );
1513 return INVALID_HANDLE_VALUE;
1514 }
1515 return (HANDLE)info;
1516
1517 error:
1518 if (info) HeapFree( GetProcessHeap(), 0, info );
1519 RtlFreeUnicodeString( &nt_name );
1520 return INVALID_HANDLE_VALUE;
1521 }
1522
1523
1524 /*************************************************************************
1525 * FindNextFileW (KERNEL32.@)
1526 */
1527 BOOL WINAPI FindNextFileW( HANDLE handle, WIN32_FIND_DATAW *data )
1528 {
1529 FIND_FIRST_INFO *info;
1530 FILE_BOTH_DIR_INFORMATION *dir_info;
1531 BOOL ret = FALSE;
1532
1533 TRACE("%p %p\n", handle, data);
1534
1535 if (!handle || handle == INVALID_HANDLE_VALUE)
1536 {
1537 SetLastError( ERROR_INVALID_HANDLE );
1538 return ret;
1539 }
1540 info = (FIND_FIRST_INFO *)handle;
1541 if (info->magic != FIND_FIRST_MAGIC)
1542 {
1543 SetLastError( ERROR_INVALID_HANDLE );
1544 return ret;
1545 }
1546
1547 RtlEnterCriticalSection( &info->cs );
1548
1549 for (;;)
1550 {
1551 if (info->data_pos >= info->data_len) /* need to read some more data */
1552 {
1553 IO_STATUS_BLOCK io;
1554
1555 NtQueryDirectoryFile( info->handle, 0, NULL, NULL, &io, info->data, sizeof(info->data),
1556 FileBothDirectoryInformation, FALSE, &info->mask, FALSE );
1557 if (io.u.Status)
1558 {
1559 SetLastError( RtlNtStatusToDosError( io.u.Status ) );
1560 break;
1561 }
1562 info->data_len = io.Information;
1563 info->data_pos = 0;
1564 }
1565
1566 dir_info = (FILE_BOTH_DIR_INFORMATION *)(info->data + info->data_pos);
1567
1568 if (dir_info->NextEntryOffset) info->data_pos += dir_info->NextEntryOffset;
1569 else info->data_pos = info->data_len;
1570
1571 /* don't return '.' and '..' in the root of the drive */
1572 if (info->is_root)
1573 {
1574 if (dir_info->FileNameLength == sizeof(WCHAR) && dir_info->FileName[0] == '.') continue;
1575 if (dir_info->FileNameLength == 2 * sizeof(WCHAR) &&
1576 dir_info->FileName[0] == '.' && dir_info->FileName[1] == '.') continue;
1577 }
1578
1579 data->dwFileAttributes = dir_info->FileAttributes;
1580 data->ftCreationTime = *(FILETIME *)&dir_info->CreationTime;
1581 data->ftLastAccessTime = *(FILETIME *)&dir_info->LastAccessTime;
1582 data->ftLastWriteTime = *(FILETIME *)&dir_info->LastWriteTime;
1583 data->nFileSizeHigh = dir_info->EndOfFile.QuadPart >> 32;
1584 data->nFileSizeLow = (DWORD)dir_info->EndOfFile.QuadPart;
1585 data->dwReserved0 = 0;
1586 data->dwReserved1 = 0;
1587
1588 memcpy( data->cFileName, dir_info->FileName, dir_info->FileNameLength );
1589 data->cFileName[dir_info->FileNameLength/sizeof(WCHAR)] = 0;
1590 memcpy( data->cAlternateFileName, dir_info->ShortName, dir_info->ShortNameLength );
1591 data->cAlternateFileName[dir_info->ShortNameLength/sizeof(WCHAR)] = 0;
1592
1593 TRACE("returning %s (%s)\n",
1594 debugstr_w(data->cFileName), debugstr_w(data->cAlternateFileName) );
1595
1596 ret = TRUE;
1597 break;
1598 }
1599
1600 RtlLeaveCriticalSection( &info->cs );
1601 return ret;
1602 }
1603
1604
1605 /*************************************************************************
1606 * FindClose (KERNEL32.@)
1607 */
1608 BOOL WINAPI FindClose( HANDLE handle )
1609 {
1610 FIND_FIRST_INFO *info = (FIND_FIRST_INFO *)handle;
1611
1612 if (!handle || handle == INVALID_HANDLE_VALUE)
1613 {
1614 SetLastError( ERROR_INVALID_HANDLE );
1615 return FALSE;
1616 }
1617
1618 __TRY
1619 {
1620 if (info->magic == FIND_FIRST_MAGIC)
1621 {
1622 RtlEnterCriticalSection( &info->cs );
1623 if (info->magic == FIND_FIRST_MAGIC) /* in case someone else freed it in the meantime */
1624 {
1625 info->magic = 0;
1626 if (info->handle) CloseHandle( info->handle );
1627 info->handle = 0;
1628 RtlFreeUnicodeString( &info->mask );
1629 info->mask.Buffer = NULL;
1630 info->data_pos = 0;
1631 info->data_len = 0;
1632 RtlLeaveCriticalSection( &info->cs );
1633 RtlDeleteCriticalSection( &info->cs );
1634 HeapFree( GetProcessHeap(), 0, info );
1635 }
1636 }
1637 }
1638 __EXCEPT(page_fault)
1639 {
1640 WARN("Illegal handle %p\n", handle);
1641 SetLastError( ERROR_INVALID_HANDLE );
1642 return FALSE;
1643 }
1644 __ENDTRY
1645
1646 return TRUE;
1647 }
1648
1649
1650 /*************************************************************************
1651 * FindFirstFileA (KERNEL32.@)
1652 */
1653 HANDLE WINAPI FindFirstFileA( LPCSTR lpFileName, WIN32_FIND_DATAA *lpFindData )
1654 {
1655 return FindFirstFileExA(lpFileName, FindExInfoStandard, lpFindData,
1656 FindExSearchNameMatch, NULL, 0);
1657 }
1658
1659 /*************************************************************************
1660 * FindFirstFileExA (KERNEL32.@)
1661 */
1662 HANDLE WINAPI FindFirstFileExA( LPCSTR lpFileName, FINDEX_INFO_LEVELS fInfoLevelId,
1663 LPVOID lpFindFileData, FINDEX_SEARCH_OPS fSearchOp,
1664 LPVOID lpSearchFilter, DWORD dwAdditionalFlags)
1665 {
1666 HANDLE handle;
1667 WIN32_FIND_DATAA *dataA;
1668 WIN32_FIND_DATAW dataW;
1669 WCHAR *nameW;
1670
1671 if (!(nameW = FILE_name_AtoW( lpFileName, FALSE ))) return INVALID_HANDLE_VALUE;
1672
1673 handle = FindFirstFileExW(nameW, fInfoLevelId, &dataW, fSearchOp, lpSearchFilter, dwAdditionalFlags);
1674 if (handle == INVALID_HANDLE_VALUE) return handle;
1675
1676 dataA = (WIN32_FIND_DATAA *) lpFindFileData;
1677 dataA->dwFileAttributes = dataW.dwFileAttributes;
1678 dataA->ftCreationTime = dataW.ftCreationTime;
1679 dataA->ftLastAccessTime = dataW.ftLastAccessTime;
1680 dataA->ftLastWriteTime = dataW.ftLastWriteTime;
1681 dataA->nFileSizeHigh = dataW.nFileSizeHigh;
1682 dataA->nFileSizeLow = dataW.nFileSizeLow;
1683 FILE_name_WtoA( dataW.cFileName, -1, dataA->cFileName, sizeof(dataA->cFileName) );
1684 FILE_name_WtoA( dataW.cAlternateFileName, -1, dataA->cAlternateFileName,
1685 sizeof(dataA->cAlternateFileName) );
1686 return handle;
1687 }
1688
1689
1690 /*************************************************************************
1691 * FindFirstFileW (KERNEL32.@)
1692 */
1693 HANDLE WINAPI FindFirstFileW( LPCWSTR lpFileName, WIN32_FIND_DATAW *lpFindData )
1694 {
1695 return FindFirstFileExW(lpFileName, FindExInfoStandard, lpFindData,
1696 FindExSearchNameMatch, NULL, 0);
1697 }
1698
1699
1700 /*************************************************************************
1701 * FindNextFileA (KERNEL32.@)
1702 */
1703 BOOL WINAPI FindNextFileA( HANDLE handle, WIN32_FIND_DATAA *data )
1704 {
1705 WIN32_FIND_DATAW dataW;
1706
1707 if (!FindNextFileW( handle, &dataW )) return FALSE;
1708 data->dwFileAttributes = dataW.dwFileAttributes;
1709 data->ftCreationTime = dataW.ftCreationTime;
1710 data->ftLastAccessTime = dataW.ftLastAccessTime;
1711 data->ftLastWriteTime = dataW.ftLastWriteTime;
1712 data->nFileSizeHigh = dataW.nFileSizeHigh;
1713 data->nFileSizeLow = dataW.nFileSizeLow;
1714 FILE_name_WtoA( dataW.cFileName, -1, data->cFileName, sizeof(data->cFileName) );
1715 FILE_name_WtoA( dataW.cAlternateFileName, -1, data->cAlternateFileName,
1716 sizeof(data->cAlternateFileName) );
1717 return TRUE;
1718 }
1719
1720
1721 /**************************************************************************
1722 * GetFileAttributesW (KERNEL32.@)
1723 */
1724 DWORD WINAPI GetFileAttributesW( LPCWSTR name )
1725 {
1726 FILE_BASIC_INFORMATION info;
1727 UNICODE_STRING nt_name;
1728 OBJECT_ATTRIBUTES attr;
1729 NTSTATUS status;
1730
1731 TRACE("%s\n", debugstr_w(name));
1732
1733 if (!RtlDosPathNameToNtPathName_U( name, &nt_name, NULL, NULL ))
1734 {
1735 SetLastError( ERROR_PATH_NOT_FOUND );
1736 return INVALID_FILE_ATTRIBUTES;
1737 }
1738
1739 attr.Length = sizeof(attr);
1740 attr.RootDirectory = 0;
1741 attr.Attributes = OBJ_CASE_INSENSITIVE;
1742 attr.ObjectName = &nt_name;
1743 attr.SecurityDescriptor = NULL;
1744 attr.SecurityQualityOfService = NULL;
1745
1746 status = NtQueryAttributesFile( &attr, &info );
1747 RtlFreeUnicodeString( &nt_name );
1748
1749 if (status == STATUS_SUCCESS) return info.FileAttributes;
1750
1751 /* NtQueryAttributesFile fails on devices, but GetFileAttributesW succeeds */
1752 if (RtlIsDosDeviceName_U( name )) return FILE_ATTRIBUTE_ARCHIVE;
1753
1754 SetLastError( RtlNtStatusToDosError(status) );
1755 return INVALID_FILE_ATTRIBUTES;
1756 }
1757
1758
1759 /**************************************************************************
1760 * GetFileAttributesA (KERNEL32.@)
1761 */
1762 DWORD WINAPI GetFileAttributesA( LPCSTR name )
1763 {
1764 WCHAR *nameW;
1765
1766 if (!(nameW = FILE_name_AtoW( name, FALSE ))) return INVALID_FILE_ATTRIBUTES;
1767 return GetFileAttributesW( nameW );
1768 }
1769
1770
1771 /**************************************************************************
1772 * SetFileAttributesW (KERNEL32.@)
1773 */
1774 BOOL WINAPI SetFileAttributesW( LPCWSTR name, DWORD attributes )
1775 {
1776 UNICODE_STRING nt_name;
1777 OBJECT_ATTRIBUTES attr;
1778 IO_STATUS_BLOCK io;
1779 NTSTATUS status;
1780 HANDLE handle;
1781
1782 TRACE("%s %lx\n", debugstr_w(name), attributes);
1783
1784 if (!RtlDosPathNameToNtPathName_U( name, &nt_name, NULL, NULL ))
1785 {
1786 SetLastError( ERROR_PATH_NOT_FOUND );
1787 return FALSE;
1788 }
1789
1790 attr.Length = sizeof(attr);
1791 attr.RootDirectory = 0;
1792 attr.Attributes = OBJ_CASE_INSENSITIVE;
1793 attr.ObjectName = &nt_name;
1794 attr.SecurityDescriptor = NULL;
1795 attr.SecurityQualityOfService = NULL;
1796
1797 status = NtOpenFile( &handle, 0, &attr, &io, 0, FILE_SYNCHRONOUS_IO_NONALERT );
1798 RtlFreeUnicodeString( &nt_name );
1799
1800 if (status == STATUS_SUCCESS)
1801 {
1802 FILE_BASIC_INFORMATION info;
1803
1804 memset( &info, 0, sizeof(info) );
1805 info.FileAttributes = attributes | FILE_ATTRIBUTE_NORMAL; /* make sure it's not zero */
1806 status = NtSetInformationFile( handle, &io, &info, sizeof(info), FileBasicInformation );
1807 NtClose( handle );
1808 }
1809
1810 if (status == STATUS_SUCCESS) return TRUE;
1811 SetLastError( RtlNtStatusToDosError(status) );
1812 return FALSE;
1813 }
1814
1815
1816 /**************************************************************************
1817 * SetFileAttributesA (KERNEL32.@)
1818 */
1819 BOOL WINAPI SetFileAttributesA( LPCSTR name, DWORD attributes )
1820 {
1821 WCHAR *nameW;
1822
1823 if (!(nameW = FILE_name_AtoW( name, FALSE ))) return FALSE;
1824 return SetFileAttributesW( nameW, attributes );
1825 }
1826
1827
1828 /**************************************************************************
1829 * GetFileAttributesExW (KERNEL32.@)
1830 */
1831 BOOL WINAPI GetFileAttributesExW( LPCWSTR name, GET_FILEEX_INFO_LEVELS level, LPVOID ptr )
1832 {
1833 FILE_NETWORK_OPEN_INFORMATION info;
1834 WIN32_FILE_ATTRIBUTE_DATA *data = ptr;
1835 UNICODE_STRING nt_name;
1836 OBJECT_ATTRIBUTES attr;
1837 NTSTATUS status;
1838
1839 TRACE("%s %d %p\n", debugstr_w(name), level, ptr);
1840
1841 if (level != GetFileExInfoStandard)
1842 {
1843 SetLastError( ERROR_INVALID_PARAMETER );
1844 return FALSE;
1845 }
1846
1847 if (!RtlDosPathNameToNtPathName_U( name, &nt_name, NULL, NULL ))
1848 {
1849 SetLastError( ERROR_PATH_NOT_FOUND );
1850 return FALSE;
1851 }
1852
1853 attr.Length = sizeof(attr);
1854 attr.RootDirectory = 0;
1855 attr.Attributes = OBJ_CASE_INSENSITIVE;
1856 attr.ObjectName = &nt_name;
1857 attr.SecurityDescriptor = NULL;
1858 attr.SecurityQualityOfService = NULL;
1859
1860 status = NtQueryFullAttributesFile( &attr, &info );
1861 RtlFreeUnicodeString( &nt_name );
1862
1863 if (status != STATUS_SUCCESS)
1864 {
1865 SetLastError( RtlNtStatusToDosError(status) );
1866 return FALSE;
1867 }
1868
1869 data->dwFileAttributes = info.FileAttributes;
1870 data->ftCreationTime.dwLowDateTime = info.CreationTime.u.LowPart;
1871 data->ftCreationTime.dwHighDateTime = info.CreationTime.u.HighPart;
1872 data->ftLastAccessTime.dwLowDateTime = info.LastAccessTime.u.LowPart;
1873 data->ftLastAccessTime.dwHighDateTime = info.LastAccessTime.u.HighPart;
1874 data->ftLastWriteTime.dwLowDateTime = info.LastWriteTime.u.LowPart;
1875 data->ftLastWriteTime.dwHighDateTime = info.LastWriteTime.u.HighPart;
1876 data->nFileSizeLow = info.EndOfFile.u.LowPart;
1877 data->nFileSizeHigh = info.EndOfFile.u.HighPart;
1878 return TRUE;
1879 }
1880
1881
1882 /**************************************************************************
1883 * GetFileAttributesExA (KERNEL32.@)
1884 */
1885 BOOL WINAPI GetFileAttributesExA( LPCSTR name, GET_FILEEX_INFO_LEVELS level, LPVOID ptr )
1886 {
1887 WCHAR *nameW;
1888
1889 if (!(nameW = FILE_name_AtoW( name, FALSE ))) return FALSE;
1890 return GetFileAttributesExW( nameW, level, ptr );
1891 }
1892
1893
1894 /******************************************************************************
1895 * GetCompressedFileSizeW (KERNEL32.@)
1896 *
1897 * RETURNS
1898 * Success: Low-order doubleword of number of bytes
1899 * Failure: INVALID_FILE_SIZE
1900 */
1901 DWORD WINAPI GetCompressedFileSizeW(
1902 LPCWSTR name, /* [in] Pointer to name of file */
1903 LPDWORD size_high ) /* [out] Receives high-order doubleword of size */
1904 {
1905 UNICODE_STRING nt_name;
1906 OBJECT_ATTRIBUTES attr;
1907 IO_STATUS_BLOCK io;
1908 NTSTATUS status;
1909 HANDLE handle;
1910 DWORD ret = INVALID_FILE_SIZE;
1911
1912 TRACE("%s %p\n", debugstr_w(name), size_high);
1913
1914 if (!RtlDosPathNameToNtPathName_U( name, &nt_name, NULL, NULL ))
1915 {
1916 SetLastError( ERROR_PATH_NOT_FOUND );
1917 return INVALID_FILE_SIZE;
1918 }
1919
1920 attr.Length = sizeof(attr);
1921 attr.RootDirectory = 0;
1922 attr.Attributes = OBJ_CASE_INSENSITIVE;
1923 attr.ObjectName = &nt_name;
1924 attr.SecurityDescriptor = NULL;
1925 attr.SecurityQualityOfService = NULL;
1926
1927 status = NtOpenFile( &handle, 0, &attr, &io, 0, FILE_SYNCHRONOUS_IO_NONALERT );
1928 RtlFreeUnicodeString( &nt_name );
1929
1930 if (status == STATUS_SUCCESS)
1931 {
1932 /* we don't support compressed files, simply return the file size */
1933 ret = GetFileSize( handle, size_high );
1934 NtClose( handle );
1935 }
1936 else SetLastError( RtlNtStatusToDosError(status) );
1937
1938 return ret;
1939 }
1940
1941
1942 /******************************************************************************
1943 * GetCompressedFileSizeA (KERNEL32.@)
1944 */
1945 DWORD WINAPI GetCompressedFileSizeA( LPCSTR name, LPDWORD size_high )
1946 {
1947 WCHAR *nameW;
1948
1949 if (!(nameW = FILE_name_AtoW( name, FALSE ))) return INVALID_FILE_SIZE;
1950 return GetCompressedFileSizeW( nameW, size_high );
1951 }
1952
1953
1954 /***********************************************************************
1955 * OpenFile (KERNEL32.@)
1956 */
1957 HFILE WINAPI OpenFile( LPCSTR name, OFSTRUCT *ofs, UINT mode )
1958 {
1959 HANDLE handle;
1960 FILETIME filetime;
1961 WORD filedatetime[2];
1962
1963 if (!ofs) return HFILE_ERROR;
1964
1965 TRACE("%s %s %s %s%s%s%s%s%s%s%s%s\n",name,
1966 ((mode & 0x3 )==OF_READ)?"OF_READ":
1967 ((mode & 0x3 )==OF_WRITE)?"OF_WRITE":
1968 ((mode & 0x3 )==OF_READWRITE)?"OF_READWRITE":"unknown",
1969 ((mode & 0x70 )==OF_SHARE_COMPAT)?"OF_SHARE_COMPAT":
1970 ((mode & 0x70 )==OF_SHARE_DENY_NONE)?"OF_SHARE_DENY_NONE":
1971 ((mode & 0x70 )==OF_SHARE_DENY_READ)?"OF_SHARE_DENY_READ":
1972 ((mode & 0x70 )==OF_SHARE_DENY_WRITE)?"OF_SHARE_DENY_WRITE":
1973 ((mode & 0x70 )==OF_SHARE_EXCLUSIVE)?"OF_SHARE_EXCLUSIVE":"unknown",
1974 ((mode & OF_PARSE )==OF_PARSE)?"OF_PARSE ":"",
1975 ((mode & OF_DELETE )==OF_DELETE)?"OF_DELETE ":"",
1976 ((mode & OF_VERIFY )==OF_VERIFY)?"OF_VERIFY ":"",
1977 ((mode & OF_SEARCH )==OF_SEARCH)?"OF_SEARCH ":"",
1978 ((mode & OF_CANCEL )==OF_CANCEL)?"OF_CANCEL ":"",
1979 ((mode & OF_CREATE )==OF_CREATE)?"OF_CREATE ":"",
1980 ((mode & OF_PROMPT )==OF_PROMPT)?"OF_PROMPT ":"",
1981 ((mode & OF_EXIST )==OF_EXIST)?"OF_EXIST ":"",
1982 ((mode & OF_REOPEN )==OF_REOPEN)?"OF_REOPEN ":""
1983 );
1984
1985
1986 ofs->cBytes = sizeof(OFSTRUCT);
1987 ofs->nErrCode = 0;
1988 if (mode & OF_REOPEN) name = ofs->szPathName;
1989
1990 if (!name) return HFILE_ERROR;
1991
1992 TRACE("%s %04x\n", name, mode );
1993
1994 /* the watcom 10.6 IDE relies on a valid path returned in ofs->szPathName
1995 Are there any cases where getting the path here is wrong?
1996 Uwe Bonnes 1997 Apr 2 */
1997 if (!GetFullPathNameA( name, sizeof(ofs->szPathName), ofs->szPathName, NULL )) goto error;
1998
1999 /* OF_PARSE simply fills the structure */
2000
2001 if (mode & OF_PARSE)
2002 {
2003 ofs->fFixedDisk = (GetDriveTypeA( ofs->szPathName ) != DRIVE_REMOVABLE);
2004 TRACE("(%s): OF_PARSE, res = '%s'\n", name, ofs->szPathName );
2005 return 0;
2006 }
2007
2008 /* OF_CREATE is completely different from all other options, so
2009 handle it first */
2010
2011 if (mode & OF_CREATE)
2012 {
2013 if ((handle = create_file_OF( name, mode )) == INVALID_HANDLE_VALUE)
2014 goto error;
2015 }
2016 else
2017 {
2018 /* Now look for the file */
2019
2020 if (!SearchPathA( NULL, name, NULL, sizeof(ofs->szPathName), ofs->szPathName, NULL ))
2021 goto error;
2022
2023 TRACE("found %s\n", debugstr_a(ofs->szPathName) );
2024
2025 if (mode & OF_DELETE)
2026 {
2027 if (!DeleteFileA( ofs->szPathName )) goto error;
2028 TRACE("(%s): OF_DELETE return = OK\n", name);
2029 return TRUE;
2030 }
2031
2032 handle = (HANDLE)_lopen( ofs->szPathName, mode );
2033 if (handle == INVALID_HANDLE_VALUE) goto error;
2034
2035 GetFileTime( handle, NULL, NULL, &filetime );
2036 FileTimeToDosDateTime( &filetime, &filedatetime[0], &filedatetime[1] );
2037 if ((mode & OF_VERIFY) && (mode & OF_REOPEN))
2038 {
2039 if (ofs->Reserved1 != filedatetime[0] || ofs->Reserved2 != filedatetime[1] )
2040 {
2041 CloseHandle( handle );
2042 WARN("(%s): OF_VERIFY failed\n", name );
2043 /* FIXME: what error here? */
2044 SetLastError( ERROR_FILE_NOT_FOUND );
2045 goto error;
2046 }
2047 }
2048 ofs->Reserved1 = filedatetime[0];
2049 ofs->Reserved2 = filedatetime[1];
2050 }
2051 TRACE("(%s): OK, return = %p\n", name, handle );
2052 if (mode & OF_EXIST) /* Return TRUE instead of a handle */
2053 {
2054 CloseHandle( handle );
2055 return TRUE;
2056 }
2057 else return (HFILE)handle;
2058
2059 error: /* We get here if there was an error opening the file */
2060 ofs->nErrCode = GetLastError();
2061 WARN("(%s): return = HFILE_ERROR error= %d\n", name,ofs->nErrCode );
2062 return HFILE_ERROR;
2063 }
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