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msxml: Allow the element implementation to be aggregatable.
[wine/multimedia.git] / dlls / kernel / file.c
blob978c7e3582ef8132b49d5448551f0ad267db8a20
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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, 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 #ifdef HAVE_SYS_STAT_H
29 # include <sys/stat.h>
30 #endif
31
32 #define NONAMELESSUNION
33 #define NONAMELESSSTRUCT
34 #include "winerror.h"
35 #include "ntstatus.h"
36 #define WIN32_NO_STATUS
37 #include "windef.h"
38 #include "winbase.h"
39 #include "winternl.h"
40 #include "winioctl.h"
41 #include "wincon.h"
42 #include "wine/winbase16.h"
43 #include "kernel_private.h"
44
45 #include "wine/exception.h"
46 #include "excpt.h"
47 #include "wine/unicode.h"
48 #include "wine/debug.h"
49 #include "thread.h"
50 #include "wine/server.h"
51
52 WINE_DEFAULT_DEBUG_CHANNEL(file);
53
54 HANDLE dos_handles[DOS_TABLE_SIZE];
55
56 /* info structure for FindFirstFile handle */
57 typedef struct
58 {
59 DWORD magic; /* magic number */
60 HANDLE handle; /* handle to directory */
61 CRITICAL_SECTION cs; /* crit section protecting this structure */
62 FINDEX_SEARCH_OPS search_op; /* Flags passed to FindFirst. */
63 UNICODE_STRING mask; /* file mask */
64 UNICODE_STRING path; /* NT path used to open the directory */
65 BOOL is_root; /* is directory the root of the drive? */
66 UINT data_pos; /* current position in dir data */
67 UINT data_len; /* length of dir data */
68 BYTE data[8192]; /* directory data */
69 } FIND_FIRST_INFO;
70
71 #define FIND_FIRST_MAGIC 0xc0ffee11
72
73 static BOOL oem_file_apis;
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 * check_dir_symlink
117 *
118 * Check if a dir symlink should be returned by FindNextFile.
119 */
120 static BOOL check_dir_symlink( FIND_FIRST_INFO *info, const FILE_BOTH_DIR_INFORMATION *file_info )
121 {
122 UNICODE_STRING str;
123 ANSI_STRING unix_name;
124 struct stat st, parent_st;
125 BOOL ret = TRUE;
126 DWORD len;
127
128 str.MaximumLength = info->path.Length + sizeof(WCHAR) + file_info->FileNameLength;
129 if (!(str.Buffer = HeapAlloc( GetProcessHeap(), 0, str.MaximumLength ))) return TRUE;
130 memcpy( str.Buffer, info->path.Buffer, info->path.Length );
131 len = info->path.Length / sizeof(WCHAR);
132 if (!len || str.Buffer[len-1] != '\\') str.Buffer[len++] = '\\';
133 memcpy( str.Buffer + len, file_info->FileName, file_info->FileNameLength );
134 str.Length = len * sizeof(WCHAR) + file_info->FileNameLength;
135
136 unix_name.Buffer = NULL;
137 if (!wine_nt_to_unix_file_name( &str, &unix_name, OPEN_EXISTING, FALSE ) &&
138 !stat( unix_name.Buffer, &st ))
139 {
140 char *p = unix_name.Buffer + unix_name.Length - 1;
141
142 /* skip trailing slashes */
143 while (p > unix_name.Buffer && *p == '/') p--;
144
145 while (ret && p > unix_name.Buffer)
146 {
147 while (p > unix_name.Buffer && *p != '/') p--;
148 while (p > unix_name.Buffer && *p == '/') p--;
149 p[1] = 0;
150 if (!stat( unix_name.Buffer, &parent_st ) &&
151 parent_st.st_dev == st.st_dev &&
152 parent_st.st_ino == st.st_ino)
153 {
154 WARN( "suppressing dir symlink %s pointing to parent %s\n",
155 debugstr_wn( str.Buffer, str.Length/sizeof(WCHAR) ),
156 debugstr_a( unix_name.Buffer ));
157 ret = FALSE;
158 }
159 }
160 }
161 RtlFreeAnsiString( &unix_name );
162 RtlFreeUnicodeString( &str );
163 return ret;
164 }
165
166
167 /***********************************************************************
168 * FILE_SetDosError
169 *
170 * Set the DOS error code from errno.
171 */
172 void FILE_SetDosError(void)
173 {
174 int save_errno = errno; /* errno gets overwritten by printf */
175
176 TRACE("errno = %d %s\n", errno, strerror(errno));
177 switch (save_errno)
178 {
179 case EAGAIN:
180 SetLastError( ERROR_SHARING_VIOLATION );
181 break;
182 case EBADF:
183 SetLastError( ERROR_INVALID_HANDLE );
184 break;
185 case ENOSPC:
186 SetLastError( ERROR_HANDLE_DISK_FULL );
187 break;
188 case EACCES:
189 case EPERM:
190 case EROFS:
191 SetLastError( ERROR_ACCESS_DENIED );
192 break;
193 case EBUSY:
194 SetLastError( ERROR_LOCK_VIOLATION );
195 break;
196 case ENOENT:
197 SetLastError( ERROR_FILE_NOT_FOUND );
198 break;
199 case EISDIR:
200 SetLastError( ERROR_CANNOT_MAKE );
201 break;
202 case ENFILE:
203 case EMFILE:
204 SetLastError( ERROR_TOO_MANY_OPEN_FILES );
205 break;
206 case EEXIST:
207 SetLastError( ERROR_FILE_EXISTS );
208 break;
209 case EINVAL:
210 case ESPIPE:
211 SetLastError( ERROR_SEEK );
212 break;
213 case ENOTEMPTY:
214 SetLastError( ERROR_DIR_NOT_EMPTY );
215 break;
216 case ENOEXEC:
217 SetLastError( ERROR_BAD_FORMAT );
218 break;
219 case ENOTDIR:
220 SetLastError( ERROR_PATH_NOT_FOUND );
221 break;
222 case EXDEV:
223 SetLastError( ERROR_NOT_SAME_DEVICE );
224 break;
225 default:
226 WARN("unknown file error: %s\n", strerror(save_errno) );
227 SetLastError( ERROR_GEN_FAILURE );
228 break;
229 }
230 errno = save_errno;
231 }
232
233
234 /***********************************************************************
235 * FILE_name_AtoW
236 *
237 * Convert a file name to Unicode, taking into account the OEM/Ansi API mode.
238 *
239 * If alloc is FALSE uses the TEB static buffer, so it can only be used when
240 * there is no possibility for the function to do that twice, taking into
241 * account any called function.
242 */
243 WCHAR *FILE_name_AtoW( LPCSTR name, BOOL alloc )
244 {
245 ANSI_STRING str;
246 UNICODE_STRING strW, *pstrW;
247 NTSTATUS status;
248
249 RtlInitAnsiString( &str, name );
250 pstrW = alloc ? &strW : &NtCurrentTeb()->StaticUnicodeString;
251 if (oem_file_apis)
252 status = RtlOemStringToUnicodeString( pstrW, &str, alloc );
253 else
254 status = RtlAnsiStringToUnicodeString( pstrW, &str, alloc );
255 if (status == STATUS_SUCCESS) return pstrW->Buffer;
256
257 if (status == STATUS_BUFFER_OVERFLOW)
258 SetLastError( ERROR_FILENAME_EXCED_RANGE );
259 else
260 SetLastError( RtlNtStatusToDosError(status) );
261 return NULL;
262 }
263
264
265 /***********************************************************************
266 * FILE_name_WtoA
267 *
268 * Convert a file name back to OEM/Ansi. Returns number of bytes copied.
269 */
270 DWORD FILE_name_WtoA( LPCWSTR src, INT srclen, LPSTR dest, INT destlen )
271 {
272 DWORD ret;
273
274 if (srclen < 0) srclen = strlenW( src ) + 1;
275 if (oem_file_apis)
276 RtlUnicodeToOemN( dest, destlen, &ret, src, srclen * sizeof(WCHAR) );
277 else
278 RtlUnicodeToMultiByteN( dest, destlen, &ret, src, srclen * sizeof(WCHAR) );
279 return ret;
280 }
281
282
283 /**************************************************************************
284 * SetFileApisToOEM (KERNEL32.@)
285 */
286 VOID WINAPI SetFileApisToOEM(void)
287 {
288 oem_file_apis = TRUE;
289 }
290
291
292 /**************************************************************************
293 * SetFileApisToANSI (KERNEL32.@)
294 */
295 VOID WINAPI SetFileApisToANSI(void)
296 {
297 oem_file_apis = FALSE;
298 }
299
300
301 /******************************************************************************
302 * AreFileApisANSI (KERNEL32.@)
303 *
304 * Determines if file functions are using ANSI
305 *
306 * RETURNS
307 * TRUE: Set of file functions is using ANSI code page
308 * FALSE: Set of file functions is using OEM code page
309 */
310 BOOL WINAPI AreFileApisANSI(void)
311 {
312 return !oem_file_apis;
313 }
314
315
316 /**************************************************************************
317 * Operations on file handles *
318 **************************************************************************/
319
320 /***********************************************************************
321 * FILE_InitProcessDosHandles
322 *
323 * Allocates the default DOS handles for a process. Called either by
324 * Win32HandleToDosFileHandle below or by the DOSVM stuff.
325 */
326 static void FILE_InitProcessDosHandles( void )
327 {
328 static BOOL init_done /* = FALSE */;
329 HANDLE cp = GetCurrentProcess();
330
331 if (init_done) return;
332 init_done = TRUE;
333 DuplicateHandle(cp, GetStdHandle(STD_INPUT_HANDLE), cp, &dos_handles[0],
334 0, TRUE, DUPLICATE_SAME_ACCESS);
335 DuplicateHandle(cp, GetStdHandle(STD_OUTPUT_HANDLE), cp, &dos_handles[1],
336 0, TRUE, DUPLICATE_SAME_ACCESS);
337 DuplicateHandle(cp, GetStdHandle(STD_ERROR_HANDLE), cp, &dos_handles[2],
338 0, TRUE, DUPLICATE_SAME_ACCESS);
339 DuplicateHandle(cp, GetStdHandle(STD_ERROR_HANDLE), cp, &dos_handles[3],
340 0, TRUE, DUPLICATE_SAME_ACCESS);
341 DuplicateHandle(cp, GetStdHandle(STD_ERROR_HANDLE), cp, &dos_handles[4],
342 0, TRUE, DUPLICATE_SAME_ACCESS);
343 }
344
345
346 /******************************************************************
347 * FILE_ReadWriteApc (internal)
348 */
349 static void WINAPI FILE_ReadWriteApc(void* apc_user, PIO_STATUS_BLOCK io_status, ULONG len)
350 {
351 LPOVERLAPPED_COMPLETION_ROUTINE cr = (LPOVERLAPPED_COMPLETION_ROUTINE)apc_user;
352
353 cr(RtlNtStatusToDosError(io_status->u.Status), len, (LPOVERLAPPED)io_status);
354 }
355
356
357 /***********************************************************************
358 * ReadFileEx (KERNEL32.@)
359 */
360 BOOL WINAPI ReadFileEx(HANDLE hFile, LPVOID buffer, DWORD bytesToRead,
361 LPOVERLAPPED overlapped,
362 LPOVERLAPPED_COMPLETION_ROUTINE lpCompletionRoutine)
363 {
364 LARGE_INTEGER offset;
365 NTSTATUS status;
366 PIO_STATUS_BLOCK io_status;
367
368 TRACE("(hFile=%p, buffer=%p, bytes=%lu, ovl=%p, ovl_fn=%p)\n", hFile, buffer, bytesToRead, overlapped, lpCompletionRoutine);
369
370 if (!overlapped)
371 {
372 SetLastError(ERROR_INVALID_PARAMETER);
373 return FALSE;
374 }
375
376 offset.u.LowPart = overlapped->u.s.Offset;
377 offset.u.HighPart = overlapped->u.s.OffsetHigh;
378 io_status = (PIO_STATUS_BLOCK)overlapped;
379 io_status->u.Status = STATUS_PENDING;
380
381 status = NtReadFile(hFile, NULL, FILE_ReadWriteApc, lpCompletionRoutine,
382 io_status, buffer, bytesToRead, &offset, NULL);
383
384 if (status)
385 {
386 SetLastError( RtlNtStatusToDosError(status) );
387 return FALSE;
388 }
389 return TRUE;
390 }
391
392
393 /***********************************************************************
394 * ReadFile (KERNEL32.@)
395 */
396 BOOL WINAPI ReadFile( HANDLE hFile, LPVOID buffer, DWORD bytesToRead,
397 LPDWORD bytesRead, LPOVERLAPPED overlapped )
398 {
399 LARGE_INTEGER offset;
400 PLARGE_INTEGER poffset = NULL;
401 IO_STATUS_BLOCK iosb;
402 PIO_STATUS_BLOCK io_status = &iosb;
403 HANDLE hEvent = 0;
404 NTSTATUS status;
405
406 TRACE("%p %p %ld %p %p\n", hFile, buffer, bytesToRead,
407 bytesRead, overlapped );
408
409 if (bytesRead) *bytesRead = 0; /* Do this before anything else */
410 if (!bytesToRead) return TRUE;
411
412 if (is_console_handle(hFile))
413 return ReadConsoleA(hFile, buffer, bytesToRead, bytesRead, NULL);
414
415 if (overlapped != NULL)
416 {
417 offset.u.LowPart = overlapped->u.s.Offset;
418 offset.u.HighPart = overlapped->u.s.OffsetHigh;
419 poffset = &offset;
420 hEvent = overlapped->hEvent;
421 io_status = (PIO_STATUS_BLOCK)overlapped;
422 }
423 io_status->u.Status = STATUS_PENDING;
424 io_status->Information = 0;
425
426 status = NtReadFile(hFile, hEvent, NULL, NULL, io_status, buffer, bytesToRead, poffset, NULL);
427
428 if (status != STATUS_PENDING && bytesRead)
429 *bytesRead = io_status->Information;
430
431 if (status && status != STATUS_END_OF_FILE && status != STATUS_TIMEOUT)
432 {
433 SetLastError( RtlNtStatusToDosError(status) );
434 return FALSE;
435 }
436 return TRUE;
437 }
438
439
440 /***********************************************************************
441 * WriteFileEx (KERNEL32.@)
442 */
443 BOOL WINAPI WriteFileEx(HANDLE hFile, LPCVOID buffer, DWORD bytesToWrite,
444 LPOVERLAPPED overlapped,
445 LPOVERLAPPED_COMPLETION_ROUTINE lpCompletionRoutine)
446 {
447 LARGE_INTEGER offset;
448 NTSTATUS status;
449 PIO_STATUS_BLOCK io_status;
450
451 TRACE("%p %p %ld %p %p\n", hFile, buffer, bytesToWrite, overlapped, lpCompletionRoutine);
452
453 if (overlapped == NULL)
454 {
455 SetLastError(ERROR_INVALID_PARAMETER);
456 return FALSE;
457 }
458 offset.u.LowPart = overlapped->u.s.Offset;
459 offset.u.HighPart = overlapped->u.s.OffsetHigh;
460
461 io_status = (PIO_STATUS_BLOCK)overlapped;
462 io_status->u.Status = STATUS_PENDING;
463
464 status = NtWriteFile(hFile, NULL, FILE_ReadWriteApc, lpCompletionRoutine,
465 io_status, buffer, bytesToWrite, &offset, NULL);
466
467 if (status) SetLastError( RtlNtStatusToDosError(status) );
468 return !status;
469 }
470
471
472 /***********************************************************************
473 * WriteFile (KERNEL32.@)
474 */
475 BOOL WINAPI WriteFile( HANDLE hFile, LPCVOID buffer, DWORD bytesToWrite,
476 LPDWORD bytesWritten, LPOVERLAPPED overlapped )
477 {
478 HANDLE hEvent = NULL;
479 LARGE_INTEGER offset;
480 PLARGE_INTEGER poffset = NULL;
481 NTSTATUS status;
482 IO_STATUS_BLOCK iosb;
483 PIO_STATUS_BLOCK piosb = &iosb;
484
485 TRACE("%p %p %ld %p %p\n", hFile, buffer, bytesToWrite, bytesWritten, overlapped );
486
487 if (is_console_handle(hFile))
488 return WriteConsoleA(hFile, buffer, bytesToWrite, bytesWritten, NULL);
489
490 if (overlapped)
491 {
492 offset.u.LowPart = overlapped->u.s.Offset;
493 offset.u.HighPart = overlapped->u.s.OffsetHigh;
494 poffset = &offset;
495 hEvent = overlapped->hEvent;
496 piosb = (PIO_STATUS_BLOCK)overlapped;
497 }
498 piosb->u.Status = STATUS_PENDING;
499 piosb->Information = 0;
500
501 status = NtWriteFile(hFile, hEvent, NULL, NULL, piosb,
502 buffer, bytesToWrite, poffset, NULL);
503
504 /* FIXME: NtWriteFile does not always cause page faults, generate them now */
505 if (status == STATUS_INVALID_USER_BUFFER && !IsBadReadPtr( buffer, bytesToWrite ))
506 {
507 status = NtWriteFile(hFile, hEvent, NULL, NULL, piosb,
508 buffer, bytesToWrite, poffset, NULL);
509 if (status != STATUS_INVALID_USER_BUFFER)
510 FIXME("Could not access memory (%p,%ld) at first, now OK. Protected by DIBSection code?\n",
511 buffer, bytesToWrite);
512 }
513
514 if (status != STATUS_PENDING && bytesWritten)
515 *bytesWritten = piosb->Information;
516
517 if (status && status != STATUS_TIMEOUT)
518 {
519 SetLastError( RtlNtStatusToDosError(status) );
520 return FALSE;
521 }
522 return TRUE;
523 }
524
525
526 /***********************************************************************
527 * GetOverlappedResult (KERNEL32.@)
528 *
529 * Check the result of an Asynchronous data transfer from a file.
530 *
531 * Parameters
532 * HANDLE hFile [in] handle of file to check on
533 * LPOVERLAPPED lpOverlapped [in/out] pointer to overlapped
534 * LPDWORD lpTransferred [in/out] number of bytes transferred
535 * BOOL bWait [in] wait for the transfer to complete ?
536 *
537 * RETURNS
538 * TRUE on success
539 * FALSE on failure
540 *
541 * If successful (and relevant) lpTransferred will hold the number of
542 * bytes transferred during the async operation.
543 *
544 * BUGS
545 *
546 * Currently only works for WaitCommEvent, ReadFile, WriteFile
547 * with communications ports.
548 *
549 */
550 BOOL WINAPI GetOverlappedResult(HANDLE hFile, LPOVERLAPPED lpOverlapped,
551 LPDWORD lpTransferred, BOOL bWait)
552 {
553 DWORD r = WAIT_OBJECT_0;
554
555 TRACE( "(%p %p %p %x)\n", hFile, lpOverlapped, lpTransferred, bWait );
556
557 if ( lpOverlapped == NULL )
558 {
559 ERR("lpOverlapped was null\n");
560 return FALSE;
561 }
562 if ( bWait )
563 {
564 if ( lpOverlapped->hEvent )
565 {
566 do
567 {
568 TRACE( "waiting on %p\n", lpOverlapped );
569 r = WaitForSingleObjectEx( lpOverlapped->hEvent, INFINITE, TRUE );
570 TRACE( "wait on %p returned %ld\n", lpOverlapped, r );
571 } while ( r == WAIT_IO_COMPLETION );
572 }
573 else
574 {
575 /* busy loop */
576 while ( ((volatile OVERLAPPED*)lpOverlapped)->Internal == STATUS_PENDING )
577 Sleep( 10 );
578 }
579 }
580 else if ( lpOverlapped->Internal == STATUS_PENDING )
581 {
582 /* Wait in order to give APCs a chance to run. */
583 /* This is cheating, so we must set the event again in case of success -
584 it may be a non-manual reset event. */
585 do
586 {
587 TRACE( "waiting on %p\n", lpOverlapped );
588 r = WaitForSingleObjectEx( lpOverlapped->hEvent, 0, TRUE );
589 TRACE( "wait on %p returned %ld\n", lpOverlapped, r );
590 } while ( r == WAIT_IO_COMPLETION );
591 if ( r == WAIT_OBJECT_0 && lpOverlapped->hEvent )
592 NtSetEvent( lpOverlapped->hEvent, NULL );
593 }
594 if ( r == WAIT_FAILED )
595 {
596 WARN("wait operation failed\n");
597 return FALSE;
598 }
599 if (lpTransferred) *lpTransferred = lpOverlapped->InternalHigh;
600
601 switch ( lpOverlapped->Internal )
602 {
603 case STATUS_SUCCESS:
604 return TRUE;
605 case STATUS_PENDING:
606 SetLastError( ERROR_IO_INCOMPLETE );
607 if ( bWait ) ERR("PENDING status after waiting!\n");
608 return FALSE;
609 default:
610 SetLastError( RtlNtStatusToDosError( lpOverlapped->Internal ) );
611 return FALSE;
612 }
613 }
614
615 /***********************************************************************
616 * CancelIo (KERNEL32.@)
617 *
618 * Cancels pending I/O operations initiated by the current thread on a file.
619 *
620 * PARAMS
621 * handle [I] File handle.
622 *
623 * RETURNS
624 * Success: TRUE.
625 * Failure: FALSE, check GetLastError().
626 */
627 BOOL WINAPI CancelIo(HANDLE handle)
628 {
629 IO_STATUS_BLOCK io_status;
630
631 NtCancelIoFile(handle, &io_status);
632 if (io_status.u.Status)
633 {
634 SetLastError( RtlNtStatusToDosError( io_status.u.Status ) );
635 return FALSE;
636 }
637 return TRUE;
638 }
639
640 /***********************************************************************
641 * _hread (KERNEL32.@)
642 */
643 LONG WINAPI _hread( HFILE hFile, LPVOID buffer, LONG count)
644 {
645 return _lread( hFile, buffer, count );
646 }
647
648
649 /***********************************************************************
650 * _hwrite (KERNEL32.@)
651 *
652 * experimentation yields that _lwrite:
653 * o truncates the file at the current position with
654 * a 0 len write
655 * o returns 0 on a 0 length write
656 * o works with console handles
657 *
658 */
659 LONG WINAPI _hwrite( HFILE handle, LPCSTR buffer, LONG count )
660 {
661 DWORD result;
662
663 TRACE("%d %p %ld\n", handle, buffer, count );
664
665 if (!count)
666 {
667 /* Expand or truncate at current position */
668 if (!SetEndOfFile( (HANDLE)handle )) return HFILE_ERROR;
669 return 0;
670 }
671 if (!WriteFile( (HANDLE)handle, buffer, count, &result, NULL ))
672 return HFILE_ERROR;
673 return result;
674 }
675
676
677 /***********************************************************************
678 * _lclose (KERNEL32.@)
679 */
680 HFILE WINAPI _lclose( HFILE hFile )
681 {
682 TRACE("handle %d\n", hFile );
683 return CloseHandle( (HANDLE)hFile ) ? 0 : HFILE_ERROR;
684 }
685
686
687 /***********************************************************************
688 * _lcreat (KERNEL32.@)
689 */
690 HFILE WINAPI _lcreat( LPCSTR path, INT attr )
691 {
692 /* Mask off all flags not explicitly allowed by the doc */
693 attr &= FILE_ATTRIBUTE_READONLY | FILE_ATTRIBUTE_HIDDEN | FILE_ATTRIBUTE_SYSTEM;
694 TRACE("%s %02x\n", path, attr );
695 return (HFILE)CreateFileA( path, GENERIC_READ | GENERIC_WRITE,
696 FILE_SHARE_READ | FILE_SHARE_WRITE, NULL,
697 CREATE_ALWAYS, attr, 0 );
698 }
699
700
701 /***********************************************************************
702 * _lopen (KERNEL32.@)
703 */
704 HFILE WINAPI _lopen( LPCSTR path, INT mode )
705 {
706 TRACE("(%s,%04x)\n", debugstr_a(path), mode );
707 return (HFILE)create_file_OF( path, mode & ~OF_CREATE );
708 }
709
710 /***********************************************************************
711 * _lread (KERNEL32.@)
712 */
713 UINT WINAPI _lread( HFILE handle, LPVOID buffer, UINT count )
714 {
715 DWORD result;
716 if (!ReadFile( (HANDLE)handle, buffer, count, &result, NULL ))
717 return HFILE_ERROR;
718 return result;
719 }
720
721
722 /***********************************************************************
723 * _llseek (KERNEL32.@)
724 */
725 LONG WINAPI _llseek( HFILE hFile, LONG lOffset, INT nOrigin )
726 {
727 return SetFilePointer( (HANDLE)hFile, lOffset, NULL, nOrigin );
728 }
729
730
731 /***********************************************************************
732 * _lwrite (KERNEL32.@)
733 */
734 UINT WINAPI _lwrite( HFILE hFile, LPCSTR buffer, UINT count )
735 {
736 return (UINT)_hwrite( hFile, buffer, (LONG)count );
737 }
738
739
740 /***********************************************************************
741 * FlushFileBuffers (KERNEL32.@)
742 */
743 BOOL WINAPI FlushFileBuffers( HANDLE hFile )
744 {
745 NTSTATUS nts;
746 IO_STATUS_BLOCK ioblk;
747
748 if (is_console_handle( hFile ))
749 {
750 /* this will fail (as expected) for an output handle */
751 return FlushConsoleInputBuffer( hFile );
752 }
753 nts = NtFlushBuffersFile( hFile, &ioblk );
754 if (nts != STATUS_SUCCESS)
755 {
756 SetLastError( RtlNtStatusToDosError( nts ) );
757 return FALSE;
758 }
759
760 return TRUE;
761 }
762
763
764 /***********************************************************************
765 * GetFileType (KERNEL32.@)
766 */
767 DWORD WINAPI GetFileType( HANDLE hFile )
768 {
769 FILE_FS_DEVICE_INFORMATION info;
770 IO_STATUS_BLOCK io;
771 NTSTATUS status;
772
773 if (is_console_handle( hFile )) return FILE_TYPE_CHAR;
774
775 status = NtQueryVolumeInformationFile( hFile, &io, &info, sizeof(info), FileFsDeviceInformation );
776 if (status != STATUS_SUCCESS)
777 {
778 SetLastError( RtlNtStatusToDosError(status) );
779 return FILE_TYPE_UNKNOWN;
780 }
781
782 switch(info.DeviceType)
783 {
784 case FILE_DEVICE_NULL:
785 case FILE_DEVICE_SERIAL_PORT:
786 case FILE_DEVICE_PARALLEL_PORT:
787 case FILE_DEVICE_TAPE:
788 case FILE_DEVICE_UNKNOWN:
789 return FILE_TYPE_CHAR;
790 case FILE_DEVICE_NAMED_PIPE:
791 return FILE_TYPE_PIPE;
792 default:
793 return FILE_TYPE_DISK;
794 }
795 }
796
797
798 /***********************************************************************
799 * GetFileInformationByHandle (KERNEL32.@)
800 */
801 BOOL WINAPI GetFileInformationByHandle( HANDLE hFile, BY_HANDLE_FILE_INFORMATION *info )
802 {
803 FILE_ALL_INFORMATION all_info;
804 IO_STATUS_BLOCK io;
805 NTSTATUS status;
806
807 status = NtQueryInformationFile( hFile, &io, &all_info, sizeof(all_info), FileAllInformation );
808 if (status == STATUS_SUCCESS)
809 {
810 info->dwFileAttributes = all_info.BasicInformation.FileAttributes;
811 info->ftCreationTime.dwHighDateTime = all_info.BasicInformation.CreationTime.u.HighPart;
812 info->ftCreationTime.dwLowDateTime = all_info.BasicInformation.CreationTime.u.LowPart;
813 info->ftLastAccessTime.dwHighDateTime = all_info.BasicInformation.LastAccessTime.u.HighPart;
814 info->ftLastAccessTime.dwLowDateTime = all_info.BasicInformation.LastAccessTime.u.LowPart;
815 info->ftLastWriteTime.dwHighDateTime = all_info.BasicInformation.LastWriteTime.u.HighPart;
816 info->ftLastWriteTime.dwLowDateTime = all_info.BasicInformation.LastWriteTime.u.LowPart;
817 info->dwVolumeSerialNumber = 0; /* FIXME */
818 info->nFileSizeHigh = all_info.StandardInformation.EndOfFile.u.HighPart;
819 info->nFileSizeLow = all_info.StandardInformation.EndOfFile.u.LowPart;
820 info->nNumberOfLinks = all_info.StandardInformation.NumberOfLinks;
821 info->nFileIndexHigh = all_info.InternalInformation.IndexNumber.u.HighPart;
822 info->nFileIndexLow = all_info.InternalInformation.IndexNumber.u.LowPart;
823 return TRUE;
824 }
825 SetLastError( RtlNtStatusToDosError(status) );
826 return FALSE;
827 }
828
829
830 /***********************************************************************
831 * GetFileSize (KERNEL32.@)
832 *
833 * Retrieve the size of a file.
834 *
835 * PARAMS
836 * hFile [I] File to retrieve size of.
837 * filesizehigh [O] On return, the high bits of the file size.
838 *
839 * RETURNS
840 * Success: The low bits of the file size.
841 * Failure: INVALID_FILE_SIZE. As this is could also be a success value,
842 * check GetLastError() for values other than ERROR_SUCCESS.
843 */
844 DWORD WINAPI GetFileSize( HANDLE hFile, LPDWORD filesizehigh )
845 {
846 LARGE_INTEGER size;
847 if (!GetFileSizeEx( hFile, &size )) return INVALID_FILE_SIZE;
848 if (filesizehigh) *filesizehigh = size.u.HighPart;
849 if (size.u.LowPart == INVALID_FILE_SIZE) SetLastError(0);
850 return size.u.LowPart;
851 }
852
853
854 /***********************************************************************
855 * GetFileSizeEx (KERNEL32.@)
856 *
857 * Retrieve the size of a file.
858 *
859 * PARAMS
860 * hFile [I] File to retrieve size of.
861 * lpFileSIze [O] On return, the size of the file.
862 *
863 * RETURNS
864 * Success: TRUE.
865 * Failure: FALSE, check GetLastError().
866 */
867 BOOL WINAPI GetFileSizeEx( HANDLE hFile, PLARGE_INTEGER lpFileSize )
868 {
869 FILE_END_OF_FILE_INFORMATION info;
870 IO_STATUS_BLOCK io;
871 NTSTATUS status;
872
873 status = NtQueryInformationFile( hFile, &io, &info, sizeof(info), FileEndOfFileInformation );
874 if (status == STATUS_SUCCESS)
875 {
876 *lpFileSize = info.EndOfFile;
877 return TRUE;
878 }
879 SetLastError( RtlNtStatusToDosError(status) );
880 return FALSE;
881 }
882
883
884 /**************************************************************************
885 * SetEndOfFile (KERNEL32.@)
886 *
887 * Sets the current position as the end of the file.
888 *
889 * PARAMS
890 * hFile [I] File handle.
891 *
892 * RETURNS
893 * Success: TRUE.
894 * Failure: FALSE, check GetLastError().
895 */
896 BOOL WINAPI SetEndOfFile( HANDLE hFile )
897 {
898 FILE_POSITION_INFORMATION pos;
899 FILE_END_OF_FILE_INFORMATION eof;
900 IO_STATUS_BLOCK io;
901 NTSTATUS status;
902
903 status = NtQueryInformationFile( hFile, &io, &pos, sizeof(pos), FilePositionInformation );
904 if (status == STATUS_SUCCESS)
905 {
906 eof.EndOfFile = pos.CurrentByteOffset;
907 status = NtSetInformationFile( hFile, &io, &eof, sizeof(eof), FileEndOfFileInformation );
908 }
909 if (status == STATUS_SUCCESS) return TRUE;
910 SetLastError( RtlNtStatusToDosError(status) );
911 return FALSE;
912 }
913
914
915 /***********************************************************************
916 * SetFilePointer (KERNEL32.@)
917 */
918 DWORD WINAPI SetFilePointer( HANDLE hFile, LONG distance, LONG *highword, DWORD method )
919 {
920 LARGE_INTEGER dist, newpos;
921
922 if (highword)
923 {
924 dist.u.LowPart = distance;
925 dist.u.HighPart = *highword;
926 }
927 else dist.QuadPart = distance;
928
929 if (!SetFilePointerEx( hFile, dist, &newpos, method )) return INVALID_SET_FILE_POINTER;
930
931 if (highword) *highword = newpos.u.HighPart;
932 if (newpos.u.LowPart == INVALID_SET_FILE_POINTER) SetLastError( 0 );
933 return newpos.u.LowPart;
934 }
935
936
937 /***********************************************************************
938 * SetFilePointerEx (KERNEL32.@)
939 */
940 BOOL WINAPI SetFilePointerEx( HANDLE hFile, LARGE_INTEGER distance,
941 LARGE_INTEGER *newpos, DWORD method )
942 {
943 static const int whence[3] = { SEEK_SET, SEEK_CUR, SEEK_END };
944 BOOL ret = FALSE;
945 NTSTATUS status;
946 int fd;
947
948 TRACE("handle %p offset %s newpos %p origin %ld\n",
949 hFile, wine_dbgstr_longlong(distance.QuadPart), newpos, method );
950
951 if (method > FILE_END)
952 {
953 SetLastError( ERROR_INVALID_PARAMETER );
954 return ret;
955 }
956
957 if (!(status = wine_server_handle_to_fd( hFile, 0, &fd, NULL )))
958 {
959 off_t pos, res;
960
961 pos = distance.QuadPart;
962 if ((res = lseek( fd, pos, whence[method] )) == (off_t)-1)
963 {
964 /* also check EPERM due to SuSE7 2.2.16 lseek() EPERM kernel bug */
965 if (((errno == EINVAL) || (errno == EPERM)) && (method != FILE_BEGIN) && (pos < 0))
966 SetLastError( ERROR_NEGATIVE_SEEK );
967 else
968 FILE_SetDosError();
969 }
970 else
971 {
972 ret = TRUE;
973 if( newpos )
974 newpos->QuadPart = res;
975 }
976 wine_server_release_fd( hFile, fd );
977 }
978 else SetLastError( RtlNtStatusToDosError(status) );
979
980 return ret;
981 }
982
983 /***********************************************************************
984 * GetFileTime (KERNEL32.@)
985 */
986 BOOL WINAPI GetFileTime( HANDLE hFile, FILETIME *lpCreationTime,
987 FILETIME *lpLastAccessTime, FILETIME *lpLastWriteTime )
988 {
989 FILE_BASIC_INFORMATION info;
990 IO_STATUS_BLOCK io;
991 NTSTATUS status;
992
993 status = NtQueryInformationFile( hFile, &io, &info, sizeof(info), FileBasicInformation );
994 if (status == STATUS_SUCCESS)
995 {
996 if (lpCreationTime)
997 {
998 lpCreationTime->dwHighDateTime = info.CreationTime.u.HighPart;
999 lpCreationTime->dwLowDateTime = info.CreationTime.u.LowPart;
1000 }
1001 if (lpLastAccessTime)
1002 {
1003 lpLastAccessTime->dwHighDateTime = info.LastAccessTime.u.HighPart;
1004 lpLastAccessTime->dwLowDateTime = info.LastAccessTime.u.LowPart;
1005 }
1006 if (lpLastWriteTime)
1007 {
1008 lpLastWriteTime->dwHighDateTime = info.LastWriteTime.u.HighPart;
1009 lpLastWriteTime->dwLowDateTime = info.LastWriteTime.u.LowPart;
1010 }
1011 return TRUE;
1012 }
1013 SetLastError( RtlNtStatusToDosError(status) );
1014 return FALSE;
1015 }
1016
1017
1018 /***********************************************************************
1019 * SetFileTime (KERNEL32.@)
1020 */
1021 BOOL WINAPI SetFileTime( HANDLE hFile, const FILETIME *ctime,
1022 const FILETIME *atime, const FILETIME *mtime )
1023 {
1024 FILE_BASIC_INFORMATION info;
1025 IO_STATUS_BLOCK io;
1026 NTSTATUS status;
1027
1028 memset( &info, 0, sizeof(info) );
1029 if (ctime)
1030 {
1031 info.CreationTime.u.HighPart = ctime->dwHighDateTime;
1032 info.CreationTime.u.LowPart = ctime->dwLowDateTime;
1033 }
1034 if (atime)
1035 {
1036 info.LastAccessTime.u.HighPart = atime->dwHighDateTime;
1037 info.LastAccessTime.u.LowPart = atime->dwLowDateTime;
1038 }
1039 if (mtime)
1040 {
1041 info.LastWriteTime.u.HighPart = mtime->dwHighDateTime;
1042 info.LastWriteTime.u.LowPart = mtime->dwLowDateTime;
1043 }
1044
1045 status = NtSetInformationFile( hFile, &io, &info, sizeof(info), FileBasicInformation );
1046 if (status == STATUS_SUCCESS) return TRUE;
1047 SetLastError( RtlNtStatusToDosError(status) );
1048 return FALSE;
1049 }
1050
1051
1052 /**************************************************************************
1053 * LockFile (KERNEL32.@)
1054 */
1055 BOOL WINAPI LockFile( HANDLE hFile, DWORD offset_low, DWORD offset_high,
1056 DWORD count_low, DWORD count_high )
1057 {
1058 NTSTATUS status;
1059 LARGE_INTEGER count, offset;
1060
1061 TRACE( "%p %lx%08lx %lx%08lx\n",
1062 hFile, offset_high, offset_low, count_high, count_low );
1063
1064 count.u.LowPart = count_low;
1065 count.u.HighPart = count_high;
1066 offset.u.LowPart = offset_low;
1067 offset.u.HighPart = offset_high;
1068
1069 status = NtLockFile( hFile, 0, NULL, NULL,
1070 NULL, &offset, &count, NULL, TRUE, TRUE );
1071
1072 if (status != STATUS_SUCCESS) SetLastError( RtlNtStatusToDosError(status) );
1073 return !status;
1074 }
1075
1076
1077 /**************************************************************************
1078 * LockFileEx [KERNEL32.@]
1079 *
1080 * Locks a byte range within an open file for shared or exclusive access.
1081 *
1082 * RETURNS
1083 * success: TRUE
1084 * failure: FALSE
1085 *
1086 * NOTES
1087 * Per Microsoft docs, the third parameter (reserved) must be set to 0.
1088 */
1089 BOOL WINAPI LockFileEx( HANDLE hFile, DWORD flags, DWORD reserved,
1090 DWORD count_low, DWORD count_high, LPOVERLAPPED overlapped )
1091 {
1092 NTSTATUS status;
1093 LARGE_INTEGER count, offset;
1094
1095 if (reserved)
1096 {
1097 SetLastError( ERROR_INVALID_PARAMETER );
1098 return FALSE;
1099 }
1100
1101 TRACE( "%p %lx%08lx %lx%08lx flags %lx\n",
1102 hFile, overlapped->u.s.OffsetHigh, overlapped->u.s.Offset,
1103 count_high, count_low, flags );
1104
1105 count.u.LowPart = count_low;
1106 count.u.HighPart = count_high;
1107 offset.u.LowPart = overlapped->u.s.Offset;
1108 offset.u.HighPart = overlapped->u.s.OffsetHigh;
1109
1110 status = NtLockFile( hFile, overlapped->hEvent, NULL, NULL,
1111 NULL, &offset, &count, NULL,
1112 flags & LOCKFILE_FAIL_IMMEDIATELY,
1113 flags & LOCKFILE_EXCLUSIVE_LOCK );
1114
1115 if (status) SetLastError( RtlNtStatusToDosError(status) );
1116 return !status;
1117 }
1118
1119
1120 /**************************************************************************
1121 * UnlockFile (KERNEL32.@)
1122 */
1123 BOOL WINAPI UnlockFile( HANDLE hFile, DWORD offset_low, DWORD offset_high,
1124 DWORD count_low, DWORD count_high )
1125 {
1126 NTSTATUS status;
1127 LARGE_INTEGER count, offset;
1128
1129 count.u.LowPart = count_low;
1130 count.u.HighPart = count_high;
1131 offset.u.LowPart = offset_low;
1132 offset.u.HighPart = offset_high;
1133
1134 status = NtUnlockFile( hFile, NULL, &offset, &count, NULL);
1135 if (status) SetLastError( RtlNtStatusToDosError(status) );
1136 return !status;
1137 }
1138
1139
1140 /**************************************************************************
1141 * UnlockFileEx (KERNEL32.@)
1142 */
1143 BOOL WINAPI UnlockFileEx( HANDLE hFile, DWORD reserved, DWORD count_low, DWORD count_high,
1144 LPOVERLAPPED overlapped )
1145 {
1146 if (reserved)
1147 {
1148 SetLastError( ERROR_INVALID_PARAMETER );
1149 return FALSE;
1150 }
1151 if (overlapped->hEvent) FIXME("Unimplemented overlapped operation\n");
1152
1153 return UnlockFile( hFile, overlapped->u.s.Offset, overlapped->u.s.OffsetHigh, count_low, count_high );
1154 }
1155
1156
1157 /***********************************************************************
1158 * Win32HandleToDosFileHandle (KERNEL32.21)
1159 *
1160 * Allocate a DOS handle for a Win32 handle. The Win32 handle is no
1161 * longer valid after this function (even on failure).
1162 *
1163 * Note: this is not exactly right, since on Win95 the Win32 handles
1164 * are on top of DOS handles and we do it the other way
1165 * around. Should be good enough though.
1166 */
1167 HFILE WINAPI Win32HandleToDosFileHandle( HANDLE handle )
1168 {
1169 int i;
1170
1171 if (!handle || (handle == INVALID_HANDLE_VALUE))
1172 return HFILE_ERROR;
1173
1174 FILE_InitProcessDosHandles();
1175 for (i = 0; i < DOS_TABLE_SIZE; i++)
1176 if (!dos_handles[i])
1177 {
1178 dos_handles[i] = handle;
1179 TRACE("Got %d for h32 %p\n", i, handle );
1180 return (HFILE)i;
1181 }
1182 CloseHandle( handle );
1183 SetLastError( ERROR_TOO_MANY_OPEN_FILES );
1184 return HFILE_ERROR;
1185 }
1186
1187
1188 /***********************************************************************
1189 * DosFileHandleToWin32Handle (KERNEL32.20)
1190 *
1191 * Return the Win32 handle for a DOS handle.
1192 *
1193 * Note: this is not exactly right, since on Win95 the Win32 handles
1194 * are on top of DOS handles and we do it the other way
1195 * around. Should be good enough though.
1196 */
1197 HANDLE WINAPI DosFileHandleToWin32Handle( HFILE handle )
1198 {
1199 HFILE16 hfile = (HFILE16)handle;
1200 if (hfile < 5) FILE_InitProcessDosHandles();
1201 if ((hfile >= DOS_TABLE_SIZE) || !dos_handles[hfile])
1202 {
1203 SetLastError( ERROR_INVALID_HANDLE );
1204 return INVALID_HANDLE_VALUE;
1205 }
1206 return dos_handles[hfile];
1207 }
1208
1209
1210 /*************************************************************************
1211 * SetHandleCount (KERNEL32.@)
1212 */
1213 UINT WINAPI SetHandleCount( UINT count )
1214 {
1215 return min( 256, count );
1216 }
1217
1218
1219 /***********************************************************************
1220 * DisposeLZ32Handle (KERNEL32.22)
1221 *
1222 * Note: this is not entirely correct, we should only close the
1223 * 32-bit handle and not the 16-bit one, but we cannot do
1224 * this because of the way our DOS handles are implemented.
1225 * It shouldn't break anything though.
1226 */
1227 void WINAPI DisposeLZ32Handle( HANDLE handle )
1228 {
1229 int i;
1230
1231 if (!handle || (handle == INVALID_HANDLE_VALUE)) return;
1232
1233 for (i = 5; i < DOS_TABLE_SIZE; i++)
1234 if (dos_handles[i] == handle)
1235 {
1236 dos_handles[i] = 0;
1237 CloseHandle( handle );
1238 break;
1239 }
1240 }
1241
1242 /**************************************************************************
1243 * Operations on file names *
1244 **************************************************************************/
1245
1246
1247 /*************************************************************************
1248 * CreateFileW [KERNEL32.@] Creates or opens a file or other object
1249 *
1250 * Creates or opens an object, and returns a handle that can be used to
1251 * access that object.
1252 *
1253 * PARAMS
1254 *
1255 * filename [in] pointer to filename to be accessed
1256 * access [in] access mode requested
1257 * sharing [in] share mode
1258 * sa [in] pointer to security attributes
1259 * creation [in] how to create the file
1260 * attributes [in] attributes for newly created file
1261 * template [in] handle to file with extended attributes to copy
1262 *
1263 * RETURNS
1264 * Success: Open handle to specified file
1265 * Failure: INVALID_HANDLE_VALUE
1266 */
1267 HANDLE WINAPI CreateFileW( LPCWSTR filename, DWORD access, DWORD sharing,
1268 LPSECURITY_ATTRIBUTES sa, DWORD creation,
1269 DWORD attributes, HANDLE template )
1270 {
1271 NTSTATUS status;
1272 UINT options;
1273 OBJECT_ATTRIBUTES attr;
1274 UNICODE_STRING nameW;
1275 IO_STATUS_BLOCK io;
1276 HANDLE ret;
1277 DWORD dosdev;
1278 static const WCHAR bkslashes_with_dotW[] = {'\\','\\','.','\\',0};
1279 static const WCHAR coninW[] = {'C','O','N','I','N','$',0};
1280 static const WCHAR conoutW[] = {'C','O','N','O','U','T','$',0};
1281
1282 static const UINT nt_disposition[5] =
1283 {
1284 FILE_CREATE, /* CREATE_NEW */
1285 FILE_OVERWRITE_IF, /* CREATE_ALWAYS */
1286 FILE_OPEN, /* OPEN_EXISTING */
1287 FILE_OPEN_IF, /* OPEN_ALWAYS */
1288 FILE_OVERWRITE /* TRUNCATE_EXISTING */
1289 };
1290
1291
1292 /* sanity checks */
1293
1294 if (!filename || !filename[0])
1295 {
1296 SetLastError( ERROR_PATH_NOT_FOUND );
1297 return INVALID_HANDLE_VALUE;
1298 }
1299
1300 TRACE("%s %s%s%s%s%s%s creation %ld attributes 0x%lx\n", debugstr_w(filename),
1301 (access & GENERIC_READ)?"GENERIC_READ ":"",
1302 (access & GENERIC_WRITE)?"GENERIC_WRITE ":"",
1303 (!access)?"QUERY_ACCESS ":"",
1304 (sharing & FILE_SHARE_READ)?"FILE_SHARE_READ ":"",
1305 (sharing & FILE_SHARE_WRITE)?"FILE_SHARE_WRITE ":"",
1306 (sharing & FILE_SHARE_DELETE)?"FILE_SHARE_DELETE ":"",
1307 creation, attributes);
1308
1309 /* Open a console for CONIN$ or CONOUT$ */
1310
1311 if (!strcmpiW(filename, coninW) || !strcmpiW(filename, conoutW))
1312 {
1313 ret = OpenConsoleW(filename, access, (sa && sa->bInheritHandle), creation);
1314 goto done;
1315 }
1316
1317 if (!strncmpW(filename, bkslashes_with_dotW, 4))
1318 {
1319 static const WCHAR pipeW[] = {'P','I','P','E','\\',0};
1320 static const WCHAR mailslotW[] = {'M','A','I','L','S','L','O','T','\\',0};
1321
1322 if ((isalphaW(filename[4]) && filename[5] == ':' && filename[6] == '\0') ||
1323 !strncmpiW( filename + 4, pipeW, 5 ) ||
1324 !strncmpiW( filename + 4, mailslotW, 9 ))
1325 {
1326 dosdev = 0;
1327 }
1328 else if ((dosdev = RtlIsDosDeviceName_U( filename + 4 )))
1329 {
1330 dosdev += MAKELONG( 0, 4*sizeof(WCHAR) ); /* adjust position to start of filename */
1331 }
1332 else if (!(GetVersion() & 0x80000000))
1333 {
1334 dosdev = 0;
1335 }
1336 else if (filename[4])
1337 {
1338 ret = VXD_Open( filename+4, access, sa );
1339 goto done;
1340 }
1341 else
1342 {
1343 SetLastError( ERROR_INVALID_NAME );
1344 return INVALID_HANDLE_VALUE;
1345 }
1346 }
1347 else dosdev = RtlIsDosDeviceName_U( filename );
1348
1349 if (dosdev)
1350 {
1351 static const WCHAR conW[] = {'C','O','N'};
1352
1353 if (LOWORD(dosdev) == sizeof(conW) &&
1354 !memicmpW( filename + HIWORD(dosdev)/sizeof(WCHAR), conW, sizeof(conW)/sizeof(WCHAR)))
1355 {
1356 switch (access & (GENERIC_READ|GENERIC_WRITE))
1357 {
1358 case GENERIC_READ:
1359 ret = OpenConsoleW(coninW, access, (sa && sa->bInheritHandle), creation);
1360 goto done;
1361 case GENERIC_WRITE:
1362 ret = OpenConsoleW(conoutW, access, (sa && sa->bInheritHandle), creation);
1363 goto done;
1364 default:
1365 SetLastError( ERROR_FILE_NOT_FOUND );
1366 return INVALID_HANDLE_VALUE;
1367 }
1368 }
1369 }
1370
1371 if (creation < CREATE_NEW || creation > TRUNCATE_EXISTING)
1372 {
1373 SetLastError( ERROR_INVALID_PARAMETER );
1374 return INVALID_HANDLE_VALUE;
1375 }
1376
1377 if (!RtlDosPathNameToNtPathName_U( filename, &nameW, NULL, NULL ))
1378 {
1379 SetLastError( ERROR_PATH_NOT_FOUND );
1380 return INVALID_HANDLE_VALUE;
1381 }
1382
1383 /* now call NtCreateFile */
1384
1385 options = 0;
1386 if (attributes & FILE_FLAG_BACKUP_SEMANTICS)
1387 options |= FILE_OPEN_FOR_BACKUP_INTENT;
1388 else
1389 options |= FILE_NON_DIRECTORY_FILE;
1390 if (attributes & FILE_FLAG_DELETE_ON_CLOSE)
1391 {
1392 options |= FILE_DELETE_ON_CLOSE;
1393 access |= DELETE;
1394 }
1395 if (!(attributes & FILE_FLAG_OVERLAPPED))
1396 options |= FILE_SYNCHRONOUS_IO_ALERT;
1397 if (attributes & FILE_FLAG_RANDOM_ACCESS)
1398 options |= FILE_RANDOM_ACCESS;
1399 attributes &= FILE_ATTRIBUTE_VALID_FLAGS;
1400
1401 attr.Length = sizeof(attr);
1402 attr.RootDirectory = 0;
1403 attr.Attributes = OBJ_CASE_INSENSITIVE;
1404 attr.ObjectName = &nameW;
1405 attr.SecurityDescriptor = sa ? sa->lpSecurityDescriptor : NULL;
1406 attr.SecurityQualityOfService = NULL;
1407
1408 if (sa && sa->bInheritHandle) attr.Attributes |= OBJ_INHERIT;
1409
1410 status = NtCreateFile( &ret, access, &attr, &io, NULL, attributes,
1411 sharing, nt_disposition[creation - CREATE_NEW],
1412 options, NULL, 0 );
1413 if (status)
1414 {
1415 WARN("Unable to create file %s (status %lx)\n", debugstr_w(filename), status);
1416 ret = INVALID_HANDLE_VALUE;
1417
1418 /* In the case file creation was rejected due to CREATE_NEW flag
1419 * was specified and file with that name already exists, correct
1420 * last error is ERROR_FILE_EXISTS and not ERROR_ALREADY_EXISTS.
1421 * Note: RtlNtStatusToDosError is not the subject to blame here.
1422 */
1423 if (status == STATUS_OBJECT_NAME_COLLISION)
1424 SetLastError( ERROR_FILE_EXISTS );
1425 else
1426 SetLastError( RtlNtStatusToDosError(status) );
1427 }
1428 else SetLastError(0);
1429 RtlFreeUnicodeString( &nameW );
1430
1431 done:
1432 if (!ret) ret = INVALID_HANDLE_VALUE;
1433 TRACE("returning %p\n", ret);
1434 return ret;
1435 }
1436
1437
1438
1439 /*************************************************************************
1440 * CreateFileA (KERNEL32.@)
1441 *
1442 * See CreateFileW.
1443 */
1444 HANDLE WINAPI CreateFileA( LPCSTR filename, DWORD access, DWORD sharing,
1445 LPSECURITY_ATTRIBUTES sa, DWORD creation,
1446 DWORD attributes, HANDLE template)
1447 {
1448 WCHAR *nameW;
1449
1450 if (!(nameW = FILE_name_AtoW( filename, FALSE ))) return INVALID_HANDLE_VALUE;
1451 return CreateFileW( nameW, access, sharing, sa, creation, attributes, template );
1452 }
1453
1454
1455 /***********************************************************************
1456 * DeleteFileW (KERNEL32.@)
1457 *
1458 * Delete a file.
1459 *
1460 * PARAMS
1461 * path [I] Path to the file to delete.
1462 *
1463 * RETURNS
1464 * Success: TRUE.
1465 * Failure: FALSE, check GetLastError().
1466 */
1467 BOOL WINAPI DeleteFileW( LPCWSTR path )
1468 {
1469 UNICODE_STRING nameW;
1470 OBJECT_ATTRIBUTES attr;
1471 NTSTATUS status;
1472
1473 TRACE("%s\n", debugstr_w(path) );
1474
1475 if (!RtlDosPathNameToNtPathName_U( path, &nameW, NULL, NULL ))
1476 {
1477 SetLastError( ERROR_PATH_NOT_FOUND );
1478 return FALSE;
1479 }
1480
1481 attr.Length = sizeof(attr);
1482 attr.RootDirectory = 0;
1483 attr.Attributes = OBJ_CASE_INSENSITIVE;
1484 attr.ObjectName = &nameW;
1485 attr.SecurityDescriptor = NULL;
1486 attr.SecurityQualityOfService = NULL;
1487
1488 status = NtDeleteFile(&attr);
1489 RtlFreeUnicodeString( &nameW );
1490 if (status)
1491 {
1492 SetLastError( RtlNtStatusToDosError(status) );
1493 return FALSE;
1494 }
1495 return TRUE;
1496 }
1497
1498
1499 /***********************************************************************
1500 * DeleteFileA (KERNEL32.@)
1501 *
1502 * See DeleteFileW.
1503 */
1504 BOOL WINAPI DeleteFileA( LPCSTR path )
1505 {
1506 WCHAR *pathW;
1507
1508 if (!(pathW = FILE_name_AtoW( path, FALSE ))) return FALSE;
1509 return DeleteFileW( pathW );
1510 }
1511
1512
1513 /**************************************************************************
1514 * ReplaceFileW (KERNEL32.@)
1515 * ReplaceFile (KERNEL32.@)
1516 */
1517 BOOL WINAPI ReplaceFileW(LPCWSTR lpReplacedFileName,LPCWSTR lpReplacementFileName,
1518 LPCWSTR lpBackupFileName, DWORD dwReplaceFlags,
1519 LPVOID lpExclude, LPVOID lpReserved)
1520 {
1521 FIXME("(%s,%s,%s,%08lx,%p,%p) stub\n",debugstr_w(lpReplacedFileName),debugstr_w(lpReplacementFileName),
1522 debugstr_w(lpBackupFileName),dwReplaceFlags,lpExclude,lpReserved);
1523 SetLastError(ERROR_UNABLE_TO_MOVE_REPLACEMENT);
1524 return FALSE;
1525 }
1526
1527
1528 /**************************************************************************
1529 * ReplaceFileA (KERNEL32.@)
1530 */
1531 BOOL WINAPI ReplaceFileA(LPCSTR lpReplacedFileName,LPCSTR lpReplacementFileName,
1532 LPCSTR lpBackupFileName, DWORD dwReplaceFlags,
1533 LPVOID lpExclude, LPVOID lpReserved)
1534 {
1535 FIXME("(%s,%s,%s,%08lx,%p,%p) stub\n",lpReplacedFileName,lpReplacementFileName,
1536 lpBackupFileName,dwReplaceFlags,lpExclude,lpReserved);
1537 SetLastError(ERROR_UNABLE_TO_MOVE_REPLACEMENT);
1538 return FALSE;
1539 }
1540
1541
1542 /*************************************************************************
1543 * FindFirstFileExW (KERNEL32.@)
1544 */
1545 HANDLE WINAPI FindFirstFileExW( LPCWSTR filename, FINDEX_INFO_LEVELS level,
1546 LPVOID data, FINDEX_SEARCH_OPS search_op,
1547 LPVOID filter, DWORD flags)
1548 {
1549 WCHAR *mask, *p;
1550 FIND_FIRST_INFO *info = NULL;
1551 UNICODE_STRING nt_name;
1552 OBJECT_ATTRIBUTES attr;
1553 IO_STATUS_BLOCK io;
1554 NTSTATUS status;
1555
1556 TRACE("%s %d %p %d %p %lx\n", debugstr_w(filename), level, data, search_op, filter, flags);
1557
1558 if ((search_op != FindExSearchNameMatch && search_op != FindExSearchLimitToDirectories)
1559 || flags != 0)
1560 {
1561 FIXME("options not implemented 0x%08x 0x%08lx\n", search_op, flags );
1562 return INVALID_HANDLE_VALUE;
1563 }
1564 if (level != FindExInfoStandard)
1565 {
1566 FIXME("info level %d not implemented\n", level );
1567 return INVALID_HANDLE_VALUE;
1568 }
1569
1570 if (!RtlDosPathNameToNtPathName_U( filename, &nt_name, &mask, NULL ))
1571 {
1572 SetLastError( ERROR_PATH_NOT_FOUND );
1573 return INVALID_HANDLE_VALUE;
1574 }
1575
1576 if (!mask || !*mask)
1577 {
1578 SetLastError( ERROR_FILE_NOT_FOUND );
1579 goto error;
1580 }
1581
1582 if (!(info = HeapAlloc( GetProcessHeap(), 0, sizeof(*info))))
1583 {
1584 SetLastError( ERROR_NOT_ENOUGH_MEMORY );
1585 goto error;
1586 }
1587
1588 if (!RtlCreateUnicodeString( &info->mask, mask ))
1589 {
1590 SetLastError( ERROR_NOT_ENOUGH_MEMORY );
1591 goto error;
1592 }
1593
1594 /* truncate dir name before mask */
1595 *mask = 0;
1596 nt_name.Length = (mask - nt_name.Buffer) * sizeof(WCHAR);
1597
1598 /* check if path is the root of the drive */
1599 info->is_root = FALSE;
1600 p = nt_name.Buffer + 4; /* skip \??\ prefix */
1601 if (p[0] && p[1] == ':')
1602 {
1603 p += 2;
1604 while (*p == '\\') p++;
1605 info->is_root = (*p == 0);
1606 }
1607
1608 attr.Length = sizeof(attr);
1609 attr.RootDirectory = 0;
1610 attr.Attributes = OBJ_CASE_INSENSITIVE;
1611 attr.ObjectName = &nt_name;
1612 attr.SecurityDescriptor = NULL;
1613 attr.SecurityQualityOfService = NULL;
1614
1615 status = NtOpenFile( &info->handle, GENERIC_READ, &attr, &io,
1616 FILE_SHARE_READ | FILE_SHARE_WRITE,
1617 FILE_DIRECTORY_FILE | FILE_SYNCHRONOUS_IO_NONALERT );
1618
1619 if (status != STATUS_SUCCESS)
1620 {
1621 RtlFreeUnicodeString( &info->mask );
1622 SetLastError( RtlNtStatusToDosError(status) );
1623 goto error;
1624 }
1625
1626 RtlInitializeCriticalSection( &info->cs );
1627 info->path = nt_name;
1628 info->magic = FIND_FIRST_MAGIC;
1629 info->data_pos = 0;
1630 info->data_len = 0;
1631 info->search_op = search_op;
1632
1633 if (!FindNextFileW( (HANDLE)info, data ))
1634 {
1635 TRACE( "%s not found\n", debugstr_w(filename) );
1636 FindClose( (HANDLE)info );
1637 SetLastError( ERROR_FILE_NOT_FOUND );
1638 return INVALID_HANDLE_VALUE;
1639 }
1640 return (HANDLE)info;
1641
1642 error:
1643 HeapFree( GetProcessHeap(), 0, info );
1644 RtlFreeUnicodeString( &nt_name );
1645 return INVALID_HANDLE_VALUE;
1646 }
1647
1648
1649 /*************************************************************************
1650 * FindNextFileW (KERNEL32.@)
1651 */
1652 BOOL WINAPI FindNextFileW( HANDLE handle, WIN32_FIND_DATAW *data )
1653 {
1654 FIND_FIRST_INFO *info;
1655 FILE_BOTH_DIR_INFORMATION *dir_info;
1656 BOOL ret = FALSE;
1657
1658 TRACE("%p %p\n", handle, data);
1659
1660 if (!handle || handle == INVALID_HANDLE_VALUE)
1661 {
1662 SetLastError( ERROR_INVALID_HANDLE );
1663 return ret;
1664 }
1665 info = (FIND_FIRST_INFO *)handle;
1666 if (info->magic != FIND_FIRST_MAGIC)
1667 {
1668 SetLastError( ERROR_INVALID_HANDLE );
1669 return ret;
1670 }
1671
1672 RtlEnterCriticalSection( &info->cs );
1673
1674 for (;;)
1675 {
1676 if (info->data_pos >= info->data_len) /* need to read some more data */
1677 {
1678 IO_STATUS_BLOCK io;
1679
1680 NtQueryDirectoryFile( info->handle, 0, NULL, NULL, &io, info->data, sizeof(info->data),
1681 FileBothDirectoryInformation, FALSE, &info->mask, FALSE );
1682 if (io.u.Status)
1683 {
1684 SetLastError( RtlNtStatusToDosError( io.u.Status ) );
1685 break;
1686 }
1687 info->data_len = io.Information;
1688 info->data_pos = 0;
1689 }
1690
1691 dir_info = (FILE_BOTH_DIR_INFORMATION *)(info->data + info->data_pos);
1692
1693 if (dir_info->NextEntryOffset) info->data_pos += dir_info->NextEntryOffset;
1694 else info->data_pos = info->data_len;
1695
1696 /* don't return '.' and '..' in the root of the drive */
1697 if (info->is_root)
1698 {
1699 if (dir_info->FileNameLength == sizeof(WCHAR) && dir_info->FileName[0] == '.') continue;
1700 if (dir_info->FileNameLength == 2 * sizeof(WCHAR) &&
1701 dir_info->FileName[0] == '.' && dir_info->FileName[1] == '.') continue;
1702 }
1703
1704 /* check for dir symlink */
1705 if ((dir_info->FileAttributes & FILE_ATTRIBUTE_DIRECTORY) &&
1706 (dir_info->FileAttributes & FILE_ATTRIBUTE_REPARSE_POINT))
1707 {
1708 if (!check_dir_symlink( info, dir_info )) continue;
1709 }
1710 if (info->search_op == FindExSearchLimitToDirectories &&
1711 (dir_info->FileAttributes & FILE_ATTRIBUTE_DIRECTORY) == 0)
1712 continue;
1713
1714 data->dwFileAttributes = dir_info->FileAttributes;
1715 data->ftCreationTime = *(FILETIME *)&dir_info->CreationTime;
1716 data->ftLastAccessTime = *(FILETIME *)&dir_info->LastAccessTime;
1717 data->ftLastWriteTime = *(FILETIME *)&dir_info->LastWriteTime;
1718 data->nFileSizeHigh = dir_info->EndOfFile.QuadPart >> 32;
1719 data->nFileSizeLow = (DWORD)dir_info->EndOfFile.QuadPart;
1720 data->dwReserved0 = 0;
1721 data->dwReserved1 = 0;
1722
1723 memcpy( data->cFileName, dir_info->FileName, dir_info->FileNameLength );
1724 data->cFileName[dir_info->FileNameLength/sizeof(WCHAR)] = 0;
1725 memcpy( data->cAlternateFileName, dir_info->ShortName, dir_info->ShortNameLength );
1726 data->cAlternateFileName[dir_info->ShortNameLength/sizeof(WCHAR)] = 0;
1727
1728 TRACE("returning %s (%s)\n",
1729 debugstr_w(data->cFileName), debugstr_w(data->cAlternateFileName) );
1730
1731 ret = TRUE;
1732 break;
1733 }
1734
1735 RtlLeaveCriticalSection( &info->cs );
1736 return ret;
1737 }
1738
1739
1740 /*************************************************************************
1741 * FindClose (KERNEL32.@)
1742 */
1743 BOOL WINAPI FindClose( HANDLE handle )
1744 {
1745 FIND_FIRST_INFO *info = (FIND_FIRST_INFO *)handle;
1746
1747 if (!handle || handle == INVALID_HANDLE_VALUE)
1748 {
1749 SetLastError( ERROR_INVALID_HANDLE );
1750 return FALSE;
1751 }
1752
1753 __TRY
1754 {
1755 if (info->magic == FIND_FIRST_MAGIC)
1756 {
1757 RtlEnterCriticalSection( &info->cs );
1758 if (info->magic == FIND_FIRST_MAGIC) /* in case someone else freed it in the meantime */
1759 {
1760 info->magic = 0;
1761 if (info->handle) CloseHandle( info->handle );
1762 info->handle = 0;
1763 RtlFreeUnicodeString( &info->mask );
1764 info->mask.Buffer = NULL;
1765 RtlFreeUnicodeString( &info->path );
1766 info->data_pos = 0;
1767 info->data_len = 0;
1768 RtlLeaveCriticalSection( &info->cs );
1769 RtlDeleteCriticalSection( &info->cs );
1770 HeapFree( GetProcessHeap(), 0, info );
1771 }
1772 }
1773 }
1774 __EXCEPT_PAGE_FAULT
1775 {
1776 WARN("Illegal handle %p\n", handle);
1777 SetLastError( ERROR_INVALID_HANDLE );
1778 return FALSE;
1779 }
1780 __ENDTRY
1781
1782 return TRUE;
1783 }
1784
1785
1786 /*************************************************************************
1787 * FindFirstFileA (KERNEL32.@)
1788 */
1789 HANDLE WINAPI FindFirstFileA( LPCSTR lpFileName, WIN32_FIND_DATAA *lpFindData )
1790 {
1791 return FindFirstFileExA(lpFileName, FindExInfoStandard, lpFindData,
1792 FindExSearchNameMatch, NULL, 0);
1793 }
1794
1795 /*************************************************************************
1796 * FindFirstFileExA (KERNEL32.@)
1797 */
1798 HANDLE WINAPI FindFirstFileExA( LPCSTR lpFileName, FINDEX_INFO_LEVELS fInfoLevelId,
1799 LPVOID lpFindFileData, FINDEX_SEARCH_OPS fSearchOp,
1800 LPVOID lpSearchFilter, DWORD dwAdditionalFlags)
1801 {
1802 HANDLE handle;
1803 WIN32_FIND_DATAA *dataA;
1804 WIN32_FIND_DATAW dataW;
1805 WCHAR *nameW;
1806
1807 if (!(nameW = FILE_name_AtoW( lpFileName, FALSE ))) return INVALID_HANDLE_VALUE;
1808
1809 handle = FindFirstFileExW(nameW, fInfoLevelId, &dataW, fSearchOp, lpSearchFilter, dwAdditionalFlags);
1810 if (handle == INVALID_HANDLE_VALUE) return handle;
1811
1812 dataA = (WIN32_FIND_DATAA *) lpFindFileData;
1813 dataA->dwFileAttributes = dataW.dwFileAttributes;
1814 dataA->ftCreationTime = dataW.ftCreationTime;
1815 dataA->ftLastAccessTime = dataW.ftLastAccessTime;
1816 dataA->ftLastWriteTime = dataW.ftLastWriteTime;
1817 dataA->nFileSizeHigh = dataW.nFileSizeHigh;
1818 dataA->nFileSizeLow = dataW.nFileSizeLow;
1819 FILE_name_WtoA( dataW.cFileName, -1, dataA->cFileName, sizeof(dataA->cFileName) );
1820 FILE_name_WtoA( dataW.cAlternateFileName, -1, dataA->cAlternateFileName,
1821 sizeof(dataA->cAlternateFileName) );
1822 return handle;
1823 }
1824
1825
1826 /*************************************************************************
1827 * FindFirstFileW (KERNEL32.@)
1828 */
1829 HANDLE WINAPI FindFirstFileW( LPCWSTR lpFileName, WIN32_FIND_DATAW *lpFindData )
1830 {
1831 return FindFirstFileExW(lpFileName, FindExInfoStandard, lpFindData,
1832 FindExSearchNameMatch, NULL, 0);
1833 }
1834
1835
1836 /*************************************************************************
1837 * FindNextFileA (KERNEL32.@)
1838 */
1839 BOOL WINAPI FindNextFileA( HANDLE handle, WIN32_FIND_DATAA *data )
1840 {
1841 WIN32_FIND_DATAW dataW;
1842
1843 if (!FindNextFileW( handle, &dataW )) return FALSE;
1844 data->dwFileAttributes = dataW.dwFileAttributes;
1845 data->ftCreationTime = dataW.ftCreationTime;
1846 data->ftLastAccessTime = dataW.ftLastAccessTime;
1847 data->ftLastWriteTime = dataW.ftLastWriteTime;
1848 data->nFileSizeHigh = dataW.nFileSizeHigh;
1849 data->nFileSizeLow = dataW.nFileSizeLow;
1850 FILE_name_WtoA( dataW.cFileName, -1, data->cFileName, sizeof(data->cFileName) );
1851 FILE_name_WtoA( dataW.cAlternateFileName, -1, data->cAlternateFileName,
1852 sizeof(data->cAlternateFileName) );
1853 return TRUE;
1854 }
1855
1856
1857 /**************************************************************************
1858 * GetFileAttributesW (KERNEL32.@)
1859 */
1860 DWORD WINAPI GetFileAttributesW( LPCWSTR name )
1861 {
1862 FILE_BASIC_INFORMATION info;
1863 UNICODE_STRING nt_name;
1864 OBJECT_ATTRIBUTES attr;
1865 NTSTATUS status;
1866
1867 TRACE("%s\n", debugstr_w(name));
1868
1869 if (!RtlDosPathNameToNtPathName_U( name, &nt_name, NULL, NULL ))
1870 {
1871 SetLastError( ERROR_PATH_NOT_FOUND );
1872 return INVALID_FILE_ATTRIBUTES;
1873 }
1874
1875 attr.Length = sizeof(attr);
1876 attr.RootDirectory = 0;
1877 attr.Attributes = OBJ_CASE_INSENSITIVE;
1878 attr.ObjectName = &nt_name;
1879 attr.SecurityDescriptor = NULL;
1880 attr.SecurityQualityOfService = NULL;
1881
1882 status = NtQueryAttributesFile( &attr, &info );
1883 RtlFreeUnicodeString( &nt_name );
1884
1885 if (status == STATUS_SUCCESS) return info.FileAttributes;
1886
1887 /* NtQueryAttributesFile fails on devices, but GetFileAttributesW succeeds */
1888 if (RtlIsDosDeviceName_U( name )) return FILE_ATTRIBUTE_ARCHIVE;
1889
1890 SetLastError( RtlNtStatusToDosError(status) );
1891 return INVALID_FILE_ATTRIBUTES;
1892 }
1893
1894
1895 /**************************************************************************
1896 * GetFileAttributesA (KERNEL32.@)
1897 */
1898 DWORD WINAPI GetFileAttributesA( LPCSTR name )
1899 {
1900 WCHAR *nameW;
1901
1902 if (!(nameW = FILE_name_AtoW( name, FALSE ))) return INVALID_FILE_ATTRIBUTES;
1903 return GetFileAttributesW( nameW );
1904 }
1905
1906
1907 /**************************************************************************
1908 * SetFileAttributesW (KERNEL32.@)
1909 */
1910 BOOL WINAPI SetFileAttributesW( LPCWSTR name, DWORD attributes )
1911 {
1912 UNICODE_STRING nt_name;
1913 OBJECT_ATTRIBUTES attr;
1914 IO_STATUS_BLOCK io;
1915 NTSTATUS status;
1916 HANDLE handle;
1917
1918 TRACE("%s %lx\n", debugstr_w(name), attributes);
1919
1920 if (!RtlDosPathNameToNtPathName_U( name, &nt_name, NULL, NULL ))
1921 {
1922 SetLastError( ERROR_PATH_NOT_FOUND );
1923 return FALSE;
1924 }
1925
1926 attr.Length = sizeof(attr);
1927 attr.RootDirectory = 0;
1928 attr.Attributes = OBJ_CASE_INSENSITIVE;
1929 attr.ObjectName = &nt_name;
1930 attr.SecurityDescriptor = NULL;
1931 attr.SecurityQualityOfService = NULL;
1932
1933 status = NtOpenFile( &handle, 0, &attr, &io, 0, FILE_SYNCHRONOUS_IO_NONALERT );
1934 RtlFreeUnicodeString( &nt_name );
1935
1936 if (status == STATUS_SUCCESS)
1937 {
1938 FILE_BASIC_INFORMATION info;
1939
1940 memset( &info, 0, sizeof(info) );
1941 info.FileAttributes = attributes | FILE_ATTRIBUTE_NORMAL; /* make sure it's not zero */
1942 status = NtSetInformationFile( handle, &io, &info, sizeof(info), FileBasicInformation );
1943 NtClose( handle );
1944 }
1945
1946 if (status == STATUS_SUCCESS) return TRUE;
1947 SetLastError( RtlNtStatusToDosError(status) );
1948 return FALSE;
1949 }
1950
1951
1952 /**************************************************************************
1953 * SetFileAttributesA (KERNEL32.@)
1954 */
1955 BOOL WINAPI SetFileAttributesA( LPCSTR name, DWORD attributes )
1956 {
1957 WCHAR *nameW;
1958
1959 if (!(nameW = FILE_name_AtoW( name, FALSE ))) return FALSE;
1960 return SetFileAttributesW( nameW, attributes );
1961 }
1962
1963
1964 /**************************************************************************
1965 * GetFileAttributesExW (KERNEL32.@)
1966 */
1967 BOOL WINAPI GetFileAttributesExW( LPCWSTR name, GET_FILEEX_INFO_LEVELS level, LPVOID ptr )
1968 {
1969 FILE_NETWORK_OPEN_INFORMATION info;
1970 WIN32_FILE_ATTRIBUTE_DATA *data = ptr;
1971 UNICODE_STRING nt_name;
1972 OBJECT_ATTRIBUTES attr;
1973 NTSTATUS status;
1974
1975 TRACE("%s %d %p\n", debugstr_w(name), level, ptr);
1976
1977 if (level != GetFileExInfoStandard)
1978 {
1979 SetLastError( ERROR_INVALID_PARAMETER );
1980 return FALSE;
1981 }
1982
1983 if (!RtlDosPathNameToNtPathName_U( name, &nt_name, NULL, NULL ))
1984 {
1985 SetLastError( ERROR_PATH_NOT_FOUND );
1986 return FALSE;
1987 }
1988
1989 attr.Length = sizeof(attr);
1990 attr.RootDirectory = 0;
1991 attr.Attributes = OBJ_CASE_INSENSITIVE;
1992 attr.ObjectName = &nt_name;
1993 attr.SecurityDescriptor = NULL;
1994 attr.SecurityQualityOfService = NULL;
1995
1996 status = NtQueryFullAttributesFile( &attr, &info );
1997 RtlFreeUnicodeString( &nt_name );
1998
1999 if (status != STATUS_SUCCESS)
2000 {
2001 SetLastError( RtlNtStatusToDosError(status) );
2002 return FALSE;
2003 }
2004
2005 data->dwFileAttributes = info.FileAttributes;
2006 data->ftCreationTime.dwLowDateTime = info.CreationTime.u.LowPart;
2007 data->ftCreationTime.dwHighDateTime = info.CreationTime.u.HighPart;
2008 data->ftLastAccessTime.dwLowDateTime = info.LastAccessTime.u.LowPart;
2009 data->ftLastAccessTime.dwHighDateTime = info.LastAccessTime.u.HighPart;
2010 data->ftLastWriteTime.dwLowDateTime = info.LastWriteTime.u.LowPart;
2011 data->ftLastWriteTime.dwHighDateTime = info.LastWriteTime.u.HighPart;
2012 data->nFileSizeLow = info.EndOfFile.u.LowPart;
2013 data->nFileSizeHigh = info.EndOfFile.u.HighPart;
2014 return TRUE;
2015 }
2016
2017
2018 /**************************************************************************
2019 * GetFileAttributesExA (KERNEL32.@)
2020 */
2021 BOOL WINAPI GetFileAttributesExA( LPCSTR name, GET_FILEEX_INFO_LEVELS level, LPVOID ptr )
2022 {
2023 WCHAR *nameW;
2024
2025 if (!(nameW = FILE_name_AtoW( name, FALSE ))) return FALSE;
2026 return GetFileAttributesExW( nameW, level, ptr );
2027 }
2028
2029
2030 /******************************************************************************
2031 * GetCompressedFileSizeW (KERNEL32.@)
2032 *
2033 * Get the actual number of bytes used on disk.
2034 *
2035 * RETURNS
2036 * Success: Low-order doubleword of number of bytes
2037 * Failure: INVALID_FILE_SIZE
2038 */
2039 DWORD WINAPI GetCompressedFileSizeW(
2040 LPCWSTR name, /* [in] Pointer to name of file */
2041 LPDWORD size_high ) /* [out] Receives high-order doubleword of size */
2042 {
2043 UNICODE_STRING nt_name;
2044 OBJECT_ATTRIBUTES attr;
2045 IO_STATUS_BLOCK io;
2046 NTSTATUS status;
2047 HANDLE handle;
2048 DWORD ret = INVALID_FILE_SIZE;
2049
2050 TRACE("%s %p\n", debugstr_w(name), size_high);
2051
2052 if (!RtlDosPathNameToNtPathName_U( name, &nt_name, NULL, NULL ))
2053 {
2054 SetLastError( ERROR_PATH_NOT_FOUND );
2055 return INVALID_FILE_SIZE;
2056 }
2057
2058 attr.Length = sizeof(attr);
2059 attr.RootDirectory = 0;
2060 attr.Attributes = OBJ_CASE_INSENSITIVE;
2061 attr.ObjectName = &nt_name;
2062 attr.SecurityDescriptor = NULL;
2063 attr.SecurityQualityOfService = NULL;
2064
2065 status = NtOpenFile( &handle, 0, &attr, &io, 0, FILE_SYNCHRONOUS_IO_NONALERT );
2066 RtlFreeUnicodeString( &nt_name );
2067
2068 if (status == STATUS_SUCCESS)
2069 {
2070 /* we don't support compressed files, simply return the file size */
2071 ret = GetFileSize( handle, size_high );
2072 NtClose( handle );
2073 }
2074 else SetLastError( RtlNtStatusToDosError(status) );
2075
2076 return ret;
2077 }
2078
2079
2080 /******************************************************************************
2081 * GetCompressedFileSizeA (KERNEL32.@)
2082 *
2083 * See GetCompressedFileSizeW.
2084 */
2085 DWORD WINAPI GetCompressedFileSizeA( LPCSTR name, LPDWORD size_high )
2086 {
2087 WCHAR *nameW;
2088
2089 if (!(nameW = FILE_name_AtoW( name, FALSE ))) return INVALID_FILE_SIZE;
2090 return GetCompressedFileSizeW( nameW, size_high );
2091 }
2092
2093
2094 /***********************************************************************
2095 * OpenFile (KERNEL32.@)
2096 */
2097 HFILE WINAPI OpenFile( LPCSTR name, OFSTRUCT *ofs, UINT mode )
2098 {
2099 HANDLE handle;
2100 FILETIME filetime;
2101 WORD filedatetime[2];
2102
2103 if (!ofs) return HFILE_ERROR;
2104
2105 TRACE("%s %s %s %s%s%s%s%s%s%s%s%s\n",name,
2106 ((mode & 0x3 )==OF_READ)?"OF_READ":
2107 ((mode & 0x3 )==OF_WRITE)?"OF_WRITE":
2108 ((mode & 0x3 )==OF_READWRITE)?"OF_READWRITE":"unknown",
2109 ((mode & 0x70 )==OF_SHARE_COMPAT)?"OF_SHARE_COMPAT":
2110 ((mode & 0x70 )==OF_SHARE_DENY_NONE)?"OF_SHARE_DENY_NONE":
2111 ((mode & 0x70 )==OF_SHARE_DENY_READ)?"OF_SHARE_DENY_READ":
2112 ((mode & 0x70 )==OF_SHARE_DENY_WRITE)?"OF_SHARE_DENY_WRITE":
2113 ((mode & 0x70 )==OF_SHARE_EXCLUSIVE)?"OF_SHARE_EXCLUSIVE":"unknown",
2114 ((mode & OF_PARSE )==OF_PARSE)?"OF_PARSE ":"",
2115 ((mode & OF_DELETE )==OF_DELETE)?"OF_DELETE ":"",
2116 ((mode & OF_VERIFY )==OF_VERIFY)?"OF_VERIFY ":"",
2117 ((mode & OF_SEARCH )==OF_SEARCH)?"OF_SEARCH ":"",
2118 ((mode & OF_CANCEL )==OF_CANCEL)?"OF_CANCEL ":"",
2119 ((mode & OF_CREATE )==OF_CREATE)?"OF_CREATE ":"",
2120 ((mode & OF_PROMPT )==OF_PROMPT)?"OF_PROMPT ":"",
2121 ((mode & OF_EXIST )==OF_EXIST)?"OF_EXIST ":"",
2122 ((mode & OF_REOPEN )==OF_REOPEN)?"OF_REOPEN ":""
2123 );
2124
2125
2126 ofs->cBytes = sizeof(OFSTRUCT);
2127 ofs->nErrCode = 0;
2128 if (mode & OF_REOPEN) name = ofs->szPathName;
2129
2130 if (!name) return HFILE_ERROR;
2131
2132 TRACE("%s %04x\n", name, mode );
2133
2134 /* the watcom 10.6 IDE relies on a valid path returned in ofs->szPathName
2135 Are there any cases where getting the path here is wrong?
2136 Uwe Bonnes 1997 Apr 2 */
2137 if (!GetFullPathNameA( name, sizeof(ofs->szPathName), ofs->szPathName, NULL )) goto error;
2138
2139 /* OF_PARSE simply fills the structure */
2140
2141 if (mode & OF_PARSE)
2142 {
2143 ofs->fFixedDisk = (GetDriveTypeA( ofs->szPathName ) != DRIVE_REMOVABLE);
2144 TRACE("(%s): OF_PARSE, res = '%s'\n", name, ofs->szPathName );
2145 return 0;
2146 }
2147
2148 /* OF_CREATE is completely different from all other options, so
2149 handle it first */
2150
2151 if (mode & OF_CREATE)
2152 {
2153 if ((handle = create_file_OF( name, mode )) == INVALID_HANDLE_VALUE)
2154 goto error;
2155 }
2156 else
2157 {
2158 /* Now look for the file */
2159
2160 if (!SearchPathA( NULL, name, NULL, sizeof(ofs->szPathName), ofs->szPathName, NULL ))
2161 goto error;
2162
2163 TRACE("found %s\n", debugstr_a(ofs->szPathName) );
2164
2165 if (mode & OF_DELETE)
2166 {
2167 if (!DeleteFileA( ofs->szPathName )) goto error;
2168 TRACE("(%s): OF_DELETE return = OK\n", name);
2169 return TRUE;
2170 }
2171
2172 handle = (HANDLE)_lopen( ofs->szPathName, mode );
2173 if (handle == INVALID_HANDLE_VALUE) goto error;
2174
2175 GetFileTime( handle, NULL, NULL, &filetime );
2176 FileTimeToDosDateTime( &filetime, &filedatetime[0], &filedatetime[1] );
2177 if ((mode & OF_VERIFY) && (mode & OF_REOPEN))
2178 {
2179 if (ofs->Reserved1 != filedatetime[0] || ofs->Reserved2 != filedatetime[1] )
2180 {
2181 CloseHandle( handle );
2182 WARN("(%s): OF_VERIFY failed\n", name );
2183 /* FIXME: what error here? */
2184 SetLastError( ERROR_FILE_NOT_FOUND );
2185 goto error;
2186 }
2187 }
2188 ofs->Reserved1 = filedatetime[0];
2189 ofs->Reserved2 = filedatetime[1];
2190 }
2191 TRACE("(%s): OK, return = %p\n", name, handle );
2192 if (mode & OF_EXIST) /* Return TRUE instead of a handle */
2193 {
2194 CloseHandle( handle );
2195 return TRUE;
2196 }
2197 else return (HFILE)handle;
2198
2199 error: /* We get here if there was an error opening the file */
2200 ofs->nErrCode = GetLastError();
2201 WARN("(%s): return = HFILE_ERROR error= %d\n", name,ofs->nErrCode );
2202 return HFILE_ERROR;
2203 }
Maarten's multimedia branch