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d3dcompiler: Share the source with d3dcompiler_46.
[wine.git] / dlls / kernel32 / file.c
blobe43829ea67e143b0da7952c7e5ffd994e179f82d
1 /*
2 * File handling functions
3 *
4 * Copyright 1993 John Burton
5 * Copyright 1996, 2004 Alexandre Julliard
6 * Copyright 2008 Jeff Zaroyko
7 *
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
12 *
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
17 *
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with this library; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
21 */
22
23 #include "config.h"
24 #include "wine/port.h"
25
26 #include <stdarg.h>
27 #include <stdio.h>
28 #include <errno.h>
29 #ifdef HAVE_SYS_STAT_H
30 # include <sys/stat.h>
31 #endif
32
33 #define NONAMELESSUNION
34 #define NONAMELESSSTRUCT
35 #include "winerror.h"
36 #include "ntstatus.h"
37 #define WIN32_NO_STATUS
38 #include "windef.h"
39 #include "winbase.h"
40 #include "winternl.h"
41 #include "winioctl.h"
42 #include "wincon.h"
43 #include "ddk/ntddk.h"
44 #include "kernel_private.h"
45 #include "fileapi.h"
46
47 #include "wine/exception.h"
48 #include "wine/unicode.h"
49 #include "wine/debug.h"
50
51 WINE_DEFAULT_DEBUG_CHANNEL(file);
52
53 /* info structure for FindFirstFile handle */
54 typedef struct
55 {
56 DWORD magic; /* magic number */
57 HANDLE handle; /* handle to directory */
58 CRITICAL_SECTION cs; /* crit section protecting this structure */
59 FINDEX_SEARCH_OPS search_op; /* Flags passed to FindFirst. */
60 FINDEX_INFO_LEVELS level; /* Level passed to FindFirst */
61 UNICODE_STRING mask; /* file mask */
62 UNICODE_STRING path; /* NT path used to open the directory */
63 BOOL is_root; /* is directory the root of the drive? */
64 UINT data_pos; /* current position in dir data */
65 UINT data_len; /* length of dir data */
66 UINT data_size; /* size of data buffer, or 0 when everything has been read */
67 BYTE *data; /* directory data */
68 } FIND_FIRST_INFO;
69
70 #define FIND_FIRST_MAGIC 0xc0ffee11
71
72 static const UINT max_entry_size = offsetof( FILE_BOTH_DIRECTORY_INFORMATION, FileName[256] );
73
74 static BOOL oem_file_apis;
75
76 static const WCHAR wildcardsW[] = { '*','?',0 };
77
78 /***********************************************************************
79 * create_file_OF
80 *
81 * Wrapper for CreateFile that takes OF_* mode flags.
82 */
83 static HANDLE create_file_OF( LPCSTR path, INT mode )
84 {
85 DWORD access, sharing, creation;
86
87 if (mode & OF_CREATE)
88 {
89 creation = CREATE_ALWAYS;
90 access = GENERIC_READ | GENERIC_WRITE;
91 }
92 else
93 {
94 creation = OPEN_EXISTING;
95 switch(mode & 0x03)
96 {
97 case OF_READ: access = GENERIC_READ; break;
98 case OF_WRITE: access = GENERIC_WRITE; break;
99 case OF_READWRITE: access = GENERIC_READ | GENERIC_WRITE; break;
100 default: access = 0; break;
101 }
102 }
103
104 switch(mode & 0x70)
105 {
106 case OF_SHARE_EXCLUSIVE: sharing = 0; break;
107 case OF_SHARE_DENY_WRITE: sharing = FILE_SHARE_READ; break;
108 case OF_SHARE_DENY_READ: sharing = FILE_SHARE_WRITE; break;
109 case OF_SHARE_DENY_NONE:
110 case OF_SHARE_COMPAT:
111 default: sharing = FILE_SHARE_READ | FILE_SHARE_WRITE; break;
112 }
113 return CreateFileA( path, access, sharing, NULL, creation, FILE_ATTRIBUTE_NORMAL, 0 );
114 }
115
116
117 /***********************************************************************
118 * check_dir_symlink
119 *
120 * Check if a dir symlink should be returned by FindNextFile.
121 */
122 static BOOL check_dir_symlink( FIND_FIRST_INFO *info, const FILE_BOTH_DIR_INFORMATION *file_info )
123 {
124 UNICODE_STRING str;
125 ANSI_STRING unix_name;
126 struct stat st, parent_st;
127 BOOL ret = TRUE;
128 DWORD len;
129
130 str.MaximumLength = info->path.Length + sizeof(WCHAR) + file_info->FileNameLength;
131 if (!(str.Buffer = HeapAlloc( GetProcessHeap(), 0, str.MaximumLength ))) return TRUE;
132 memcpy( str.Buffer, info->path.Buffer, info->path.Length );
133 len = info->path.Length / sizeof(WCHAR);
134 if (!len || str.Buffer[len-1] != '\\') str.Buffer[len++] = '\\';
135 memcpy( str.Buffer + len, file_info->FileName, file_info->FileNameLength );
136 str.Length = len * sizeof(WCHAR) + file_info->FileNameLength;
137
138 unix_name.Buffer = NULL;
139 if (!wine_nt_to_unix_file_name( &str, &unix_name, OPEN_EXISTING, FALSE ) &&
140 !stat( unix_name.Buffer, &st ))
141 {
142 char *p = unix_name.Buffer + unix_name.Length - 1;
143
144 /* skip trailing slashes */
145 while (p > unix_name.Buffer && *p == '/') p--;
146
147 while (ret && p > unix_name.Buffer)
148 {
149 while (p > unix_name.Buffer && *p != '/') p--;
150 while (p > unix_name.Buffer && *p == '/') p--;
151 p[1] = 0;
152 if (!stat( unix_name.Buffer, &parent_st ) &&
153 parent_st.st_dev == st.st_dev &&
154 parent_st.st_ino == st.st_ino)
155 {
156 WARN( "suppressing dir symlink %s pointing to parent %s\n",
157 debugstr_wn( str.Buffer, str.Length/sizeof(WCHAR) ),
158 debugstr_a( unix_name.Buffer ));
159 ret = FALSE;
160 }
161 }
162 }
163 RtlFreeAnsiString( &unix_name );
164 RtlFreeUnicodeString( &str );
165 return ret;
166 }
167
168
169 /***********************************************************************
170 * FILE_SetDosError
171 *
172 * Set the DOS error code from errno.
173 */
174 void FILE_SetDosError(void)
175 {
176 int save_errno = errno; /* errno gets overwritten by printf */
177
178 TRACE("errno = %d %s\n", errno, strerror(errno));
179 switch (save_errno)
180 {
181 case EAGAIN:
182 SetLastError( ERROR_SHARING_VIOLATION );
183 break;
184 case EBADF:
185 SetLastError( ERROR_INVALID_HANDLE );
186 break;
187 case ENOSPC:
188 SetLastError( ERROR_HANDLE_DISK_FULL );
189 break;
190 case EACCES:
191 case EPERM:
192 case EROFS:
193 SetLastError( ERROR_ACCESS_DENIED );
194 break;
195 case EBUSY:
196 SetLastError( ERROR_LOCK_VIOLATION );
197 break;
198 case ENOENT:
199 SetLastError( ERROR_FILE_NOT_FOUND );
200 break;
201 case EISDIR:
202 SetLastError( ERROR_CANNOT_MAKE );
203 break;
204 case ENFILE:
205 case EMFILE:
206 SetLastError( ERROR_TOO_MANY_OPEN_FILES );
207 break;
208 case EEXIST:
209 SetLastError( ERROR_FILE_EXISTS );
210 break;
211 case EINVAL:
212 case ESPIPE:
213 SetLastError( ERROR_SEEK );
214 break;
215 case ENOTEMPTY:
216 SetLastError( ERROR_DIR_NOT_EMPTY );
217 break;
218 case ENOEXEC:
219 SetLastError( ERROR_BAD_FORMAT );
220 break;
221 case ENOTDIR:
222 SetLastError( ERROR_PATH_NOT_FOUND );
223 break;
224 case EXDEV:
225 SetLastError( ERROR_NOT_SAME_DEVICE );
226 break;
227 default:
228 WARN("unknown file error: %s\n", strerror(save_errno) );
229 SetLastError( ERROR_GEN_FAILURE );
230 break;
231 }
232 errno = save_errno;
233 }
234
235
236 /***********************************************************************
237 * FILE_name_AtoW
238 *
239 * Convert a file name to Unicode, taking into account the OEM/Ansi API mode.
240 *
241 * If alloc is FALSE uses the TEB static buffer, so it can only be used when
242 * there is no possibility for the function to do that twice, taking into
243 * account any called function.
244 */
245 WCHAR *FILE_name_AtoW( LPCSTR name, BOOL alloc )
246 {
247 ANSI_STRING str;
248 UNICODE_STRING strW, *pstrW;
249 NTSTATUS status;
250
251 RtlInitAnsiString( &str, name );
252 pstrW = alloc ? &strW : &NtCurrentTeb()->StaticUnicodeString;
253 if (oem_file_apis)
254 status = RtlOemStringToUnicodeString( pstrW, &str, alloc );
255 else
256 status = RtlAnsiStringToUnicodeString( pstrW, &str, alloc );
257 if (status == STATUS_SUCCESS) return pstrW->Buffer;
258
259 if (status == STATUS_BUFFER_OVERFLOW)
260 SetLastError( ERROR_FILENAME_EXCED_RANGE );
261 else
262 SetLastError( RtlNtStatusToDosError(status) );
263 return NULL;
264 }
265
266
267 /***********************************************************************
268 * FILE_name_WtoA
269 *
270 * Convert a file name back to OEM/Ansi. Returns number of bytes copied.
271 */
272 DWORD FILE_name_WtoA( LPCWSTR src, INT srclen, LPSTR dest, INT destlen )
273 {
274 DWORD ret;
275
276 if (srclen < 0) srclen = strlenW( src ) + 1;
277 if (oem_file_apis)
278 RtlUnicodeToOemN( dest, destlen, &ret, src, srclen * sizeof(WCHAR) );
279 else
280 RtlUnicodeToMultiByteN( dest, destlen, &ret, src, srclen * sizeof(WCHAR) );
281 return ret;
282 }
283
284
285 /**************************************************************************
286 * SetFileApisToOEM (KERNEL32.@)
287 */
288 VOID WINAPI SetFileApisToOEM(void)
289 {
290 oem_file_apis = TRUE;
291 }
292
293
294 /**************************************************************************
295 * SetFileApisToANSI (KERNEL32.@)
296 */
297 VOID WINAPI SetFileApisToANSI(void)
298 {
299 oem_file_apis = FALSE;
300 }
301
302
303 /******************************************************************************
304 * AreFileApisANSI (KERNEL32.@)
305 *
306 * Determines if file functions are using ANSI
307 *
308 * RETURNS
309 * TRUE: Set of file functions is using ANSI code page
310 * FALSE: Set of file functions is using OEM code page
311 */
312 BOOL WINAPI AreFileApisANSI(void)
313 {
314 return !oem_file_apis;
315 }
316
317
318 /**************************************************************************
319 * Operations on file handles *
320 **************************************************************************/
321
322 /******************************************************************
323 * FILE_ReadWriteApc (internal)
324 */
325 static void WINAPI FILE_ReadWriteApc(void* apc_user, PIO_STATUS_BLOCK io_status, ULONG reserved)
326 {
327 LPOVERLAPPED_COMPLETION_ROUTINE cr = apc_user;
328
329 cr(RtlNtStatusToDosError(io_status->u.Status), io_status->Information, (LPOVERLAPPED)io_status);
330 }
331
332
333 /***********************************************************************
334 * ReadFileEx (KERNEL32.@)
335 */
336 BOOL WINAPI ReadFileEx(HANDLE hFile, LPVOID buffer, DWORD bytesToRead,
337 LPOVERLAPPED overlapped,
338 LPOVERLAPPED_COMPLETION_ROUTINE lpCompletionRoutine)
339 {
340 LARGE_INTEGER offset;
341 NTSTATUS status;
342 PIO_STATUS_BLOCK io_status;
343
344 TRACE("(hFile=%p, buffer=%p, bytes=%u, ovl=%p, ovl_fn=%p)\n", hFile, buffer, bytesToRead, overlapped, lpCompletionRoutine);
345
346 if (!overlapped)
347 {
348 SetLastError(ERROR_INVALID_PARAMETER);
349 return FALSE;
350 }
351
352 offset.u.LowPart = overlapped->u.s.Offset;
353 offset.u.HighPart = overlapped->u.s.OffsetHigh;
354 io_status = (PIO_STATUS_BLOCK)overlapped;
355 io_status->u.Status = STATUS_PENDING;
356 io_status->Information = 0;
357
358 status = NtReadFile(hFile, NULL, FILE_ReadWriteApc, lpCompletionRoutine,
359 io_status, buffer, bytesToRead, &offset, NULL);
360
361 if (status && status != STATUS_PENDING)
362 {
363 SetLastError( RtlNtStatusToDosError(status) );
364 return FALSE;
365 }
366 return TRUE;
367 }
368
369
370 /***********************************************************************
371 * ReadFileScatter (KERNEL32.@)
372 */
373 BOOL WINAPI ReadFileScatter( HANDLE file, FILE_SEGMENT_ELEMENT *segments, DWORD count,
374 LPDWORD reserved, LPOVERLAPPED overlapped )
375 {
376 PIO_STATUS_BLOCK io_status;
377 LARGE_INTEGER offset;
378 void *cvalue = NULL;
379 NTSTATUS status;
380
381 TRACE( "(%p %p %u %p)\n", file, segments, count, overlapped );
382
383 offset.u.LowPart = overlapped->u.s.Offset;
384 offset.u.HighPart = overlapped->u.s.OffsetHigh;
385 if (!((ULONG_PTR)overlapped->hEvent & 1)) cvalue = overlapped;
386 io_status = (PIO_STATUS_BLOCK)overlapped;
387 io_status->u.Status = STATUS_PENDING;
388 io_status->Information = 0;
389
390 status = NtReadFileScatter( file, overlapped->hEvent, NULL, cvalue, io_status,
391 segments, count, &offset, NULL );
392 if (status) SetLastError( RtlNtStatusToDosError(status) );
393 return !status;
394 }
395
396
397 /***********************************************************************
398 * ReadFile (KERNEL32.@)
399 */
400 BOOL WINAPI ReadFile( HANDLE hFile, LPVOID buffer, DWORD bytesToRead,
401 LPDWORD bytesRead, LPOVERLAPPED overlapped )
402 {
403 LARGE_INTEGER offset;
404 PLARGE_INTEGER poffset = NULL;
405 IO_STATUS_BLOCK iosb;
406 PIO_STATUS_BLOCK io_status = &iosb;
407 HANDLE hEvent = 0;
408 NTSTATUS status;
409 LPVOID cvalue = NULL;
410
411 TRACE("%p %p %d %p %p\n", hFile, buffer, bytesToRead,
412 bytesRead, overlapped );
413
414 if (bytesRead) *bytesRead = 0; /* Do this before anything else */
415
416 if (is_console_handle(hFile))
417 {
418 DWORD conread, mode;
419 if (!ReadConsoleA(hFile, buffer, bytesToRead, &conread, NULL) ||
420 !GetConsoleMode(hFile, &mode))
421 return FALSE;
422 /* ctrl-Z (26) means end of file on window (if at beginning of buffer)
423 * but Unix uses ctrl-D (4), and ctrl-Z is a bad idea on Unix :-/
424 * So map both ctrl-D ctrl-Z to EOF.
425 */
426 if ((mode & ENABLE_PROCESSED_INPUT) && conread > 0 &&
427 (((char*)buffer)[0] == 26 || ((char*)buffer)[0] == 4))
428 {
429 conread = 0;
430 }
431 if (bytesRead) *bytesRead = conread;
432 return TRUE;
433 }
434
435 if (overlapped != NULL)
436 {
437 offset.u.LowPart = overlapped->u.s.Offset;
438 offset.u.HighPart = overlapped->u.s.OffsetHigh;
439 poffset = &offset;
440 hEvent = overlapped->hEvent;
441 io_status = (PIO_STATUS_BLOCK)overlapped;
442 if (((ULONG_PTR)hEvent & 1) == 0) cvalue = overlapped;
443 }
444 io_status->u.Status = STATUS_PENDING;
445 io_status->Information = 0;
446
447 status = NtReadFile(hFile, hEvent, NULL, cvalue, io_status, buffer, bytesToRead, poffset, NULL);
448
449 if (status == STATUS_PENDING && !overlapped)
450 {
451 WaitForSingleObject( hFile, INFINITE );
452 status = io_status->u.Status;
453 }
454
455 if (status != STATUS_PENDING && bytesRead)
456 *bytesRead = io_status->Information;
457
458 if (status == STATUS_END_OF_FILE)
459 {
460 if (overlapped != NULL)
461 {
462 SetLastError( RtlNtStatusToDosError(status) );
463 return FALSE;
464 }
465 }
466 else if (status && status != STATUS_TIMEOUT)
467 {
468 SetLastError( RtlNtStatusToDosError(status) );
469 return FALSE;
470 }
471 return TRUE;
472 }
473
474
475 /***********************************************************************
476 * WriteFileEx (KERNEL32.@)
477 */
478 BOOL WINAPI WriteFileEx(HANDLE hFile, LPCVOID buffer, DWORD bytesToWrite,
479 LPOVERLAPPED overlapped,
480 LPOVERLAPPED_COMPLETION_ROUTINE lpCompletionRoutine)
481 {
482 LARGE_INTEGER offset;
483 NTSTATUS status;
484 PIO_STATUS_BLOCK io_status;
485
486 TRACE("%p %p %d %p %p\n", hFile, buffer, bytesToWrite, overlapped, lpCompletionRoutine);
487
488 if (overlapped == NULL)
489 {
490 SetLastError(ERROR_INVALID_PARAMETER);
491 return FALSE;
492 }
493 offset.u.LowPart = overlapped->u.s.Offset;
494 offset.u.HighPart = overlapped->u.s.OffsetHigh;
495
496 io_status = (PIO_STATUS_BLOCK)overlapped;
497 io_status->u.Status = STATUS_PENDING;
498 io_status->Information = 0;
499
500 status = NtWriteFile(hFile, NULL, FILE_ReadWriteApc, lpCompletionRoutine,
501 io_status, buffer, bytesToWrite, &offset, NULL);
502
503 if (status && status != STATUS_PENDING)
504 {
505 SetLastError( RtlNtStatusToDosError(status) );
506 return FALSE;
507 }
508 return TRUE;
509 }
510
511
512 /***********************************************************************
513 * WriteFileGather (KERNEL32.@)
514 */
515 BOOL WINAPI WriteFileGather( HANDLE file, FILE_SEGMENT_ELEMENT *segments, DWORD count,
516 LPDWORD reserved, LPOVERLAPPED overlapped )
517 {
518 PIO_STATUS_BLOCK io_status;
519 LARGE_INTEGER offset;
520 void *cvalue = NULL;
521 NTSTATUS status;
522
523 TRACE( "%p %p %u %p\n", file, segments, count, overlapped );
524
525 offset.u.LowPart = overlapped->u.s.Offset;
526 offset.u.HighPart = overlapped->u.s.OffsetHigh;
527 if (!((ULONG_PTR)overlapped->hEvent & 1)) cvalue = overlapped;
528 io_status = (PIO_STATUS_BLOCK)overlapped;
529 io_status->u.Status = STATUS_PENDING;
530 io_status->Information = 0;
531
532 status = NtWriteFileGather( file, overlapped->hEvent, NULL, cvalue, io_status,
533 segments, count, &offset, NULL );
534 if (status) SetLastError( RtlNtStatusToDosError(status) );
535 return !status;
536 }
537
538
539 /***********************************************************************
540 * WriteFile (KERNEL32.@)
541 */
542 BOOL WINAPI WriteFile( HANDLE hFile, LPCVOID buffer, DWORD bytesToWrite,
543 LPDWORD bytesWritten, LPOVERLAPPED overlapped )
544 {
545 HANDLE hEvent = NULL;
546 LARGE_INTEGER offset;
547 PLARGE_INTEGER poffset = NULL;
548 NTSTATUS status;
549 IO_STATUS_BLOCK iosb;
550 PIO_STATUS_BLOCK piosb = &iosb;
551 LPVOID cvalue = NULL;
552
553 TRACE("%p %p %d %p %p\n", hFile, buffer, bytesToWrite, bytesWritten, overlapped );
554
555 if (is_console_handle(hFile))
556 return WriteConsoleA(hFile, buffer, bytesToWrite, bytesWritten, NULL);
557
558 if (overlapped)
559 {
560 offset.u.LowPart = overlapped->u.s.Offset;
561 offset.u.HighPart = overlapped->u.s.OffsetHigh;
562 poffset = &offset;
563 hEvent = overlapped->hEvent;
564 piosb = (PIO_STATUS_BLOCK)overlapped;
565 if (((ULONG_PTR)hEvent & 1) == 0) cvalue = overlapped;
566 }
567 piosb->u.Status = STATUS_PENDING;
568 piosb->Information = 0;
569
570 status = NtWriteFile(hFile, hEvent, NULL, cvalue, piosb,
571 buffer, bytesToWrite, poffset, NULL);
572
573 if (status == STATUS_PENDING && !overlapped)
574 {
575 WaitForSingleObject( hFile, INFINITE );
576 status = piosb->u.Status;
577 }
578
579 if (status != STATUS_PENDING && bytesWritten)
580 *bytesWritten = piosb->Information;
581
582 if (status && status != STATUS_TIMEOUT)
583 {
584 SetLastError( RtlNtStatusToDosError(status) );
585 return FALSE;
586 }
587 return TRUE;
588 }
589
590
591 /***********************************************************************
592 * GetOverlappedResult (KERNEL32.@)
593 *
594 * Check the result of an Asynchronous data transfer from a file.
595 *
596 * Parameters
597 * HANDLE hFile [in] handle of file to check on
598 * LPOVERLAPPED lpOverlapped [in/out] pointer to overlapped
599 * LPDWORD lpTransferred [in/out] number of bytes transferred
600 * BOOL bWait [in] wait for the transfer to complete ?
601 *
602 * RETURNS
603 * TRUE on success
604 * FALSE on failure
605 *
606 * If successful (and relevant) lpTransferred will hold the number of
607 * bytes transferred during the async operation.
608 */
609 BOOL WINAPI GetOverlappedResult(HANDLE hFile, LPOVERLAPPED lpOverlapped,
610 LPDWORD lpTransferred, BOOL bWait)
611 {
612 NTSTATUS status;
613
614 TRACE( "(%p %p %p %x)\n", hFile, lpOverlapped, lpTransferred, bWait );
615
616 status = lpOverlapped->Internal;
617 if (status == STATUS_PENDING)
618 {
619 if (!bWait)
620 {
621 SetLastError( ERROR_IO_INCOMPLETE );
622 return FALSE;
623 }
624
625 if (WaitForSingleObject( lpOverlapped->hEvent ? lpOverlapped->hEvent : hFile,
626 INFINITE ) == WAIT_FAILED)
627 return FALSE;
628 status = lpOverlapped->Internal;
629 }
630
631 *lpTransferred = lpOverlapped->InternalHigh;
632
633 if (status) SetLastError( RtlNtStatusToDosError(status) );
634 return !status;
635 }
636
637 /***********************************************************************
638 * CancelIoEx (KERNEL32.@)
639 *
640 * Cancels pending I/O operations on a file given the overlapped used.
641 *
642 * PARAMS
643 * handle [I] File handle.
644 * lpOverlapped [I,OPT] pointer to overlapped (if null, cancel all)
645 *
646 * RETURNS
647 * Success: TRUE.
648 * Failure: FALSE, check GetLastError().
649 */
650 BOOL WINAPI CancelIoEx(HANDLE handle, LPOVERLAPPED lpOverlapped)
651 {
652 IO_STATUS_BLOCK io_status;
653
654 NtCancelIoFileEx(handle, (PIO_STATUS_BLOCK) lpOverlapped, &io_status);
655 if (io_status.u.Status)
656 {
657 SetLastError( RtlNtStatusToDosError( io_status.u.Status ) );
658 return FALSE;
659 }
660 return TRUE;
661 }
662
663 /***********************************************************************
664 * CancelIo (KERNEL32.@)
665 *
666 * Cancels pending I/O operations initiated by the current thread on a file.
667 *
668 * PARAMS
669 * handle [I] File handle.
670 *
671 * RETURNS
672 * Success: TRUE.
673 * Failure: FALSE, check GetLastError().
674 */
675 BOOL WINAPI CancelIo(HANDLE handle)
676 {
677 IO_STATUS_BLOCK io_status;
678
679 NtCancelIoFile(handle, &io_status);
680 if (io_status.u.Status)
681 {
682 SetLastError( RtlNtStatusToDosError( io_status.u.Status ) );
683 return FALSE;
684 }
685 return TRUE;
686 }
687
688 /***********************************************************************
689 * _hread (KERNEL32.@)
690 */
691 LONG WINAPI _hread( HFILE hFile, LPVOID buffer, LONG count)
692 {
693 return _lread( hFile, buffer, count );
694 }
695
696
697 /***********************************************************************
698 * _hwrite (KERNEL32.@)
699 *
700 * experimentation yields that _lwrite:
701 * o truncates the file at the current position with
702 * a 0 len write
703 * o returns 0 on a 0 length write
704 * o works with console handles
705 *
706 */
707 LONG WINAPI _hwrite( HFILE handle, LPCSTR buffer, LONG count )
708 {
709 DWORD result;
710
711 TRACE("%d %p %d\n", handle, buffer, count );
712
713 if (!count)
714 {
715 /* Expand or truncate at current position */
716 if (!SetEndOfFile( LongToHandle(handle) )) return HFILE_ERROR;
717 return 0;
718 }
719 if (!WriteFile( LongToHandle(handle), buffer, count, &result, NULL ))
720 return HFILE_ERROR;
721 return result;
722 }
723
724
725 /***********************************************************************
726 * _lclose (KERNEL32.@)
727 */
728 HFILE WINAPI _lclose( HFILE hFile )
729 {
730 TRACE("handle %d\n", hFile );
731 return CloseHandle( LongToHandle(hFile) ) ? 0 : HFILE_ERROR;
732 }
733
734
735 /***********************************************************************
736 * _lcreat (KERNEL32.@)
737 */
738 HFILE WINAPI _lcreat( LPCSTR path, INT attr )
739 {
740 HANDLE hfile;
741
742 /* Mask off all flags not explicitly allowed by the doc */
743 attr &= FILE_ATTRIBUTE_READONLY | FILE_ATTRIBUTE_HIDDEN | FILE_ATTRIBUTE_SYSTEM;
744 TRACE("%s %02x\n", path, attr );
745 hfile = CreateFileA( path, GENERIC_READ | GENERIC_WRITE,
746 FILE_SHARE_READ | FILE_SHARE_WRITE, NULL,
747 CREATE_ALWAYS, attr, 0 );
748 return HandleToLong(hfile);
749 }
750
751
752 /***********************************************************************
753 * _lopen (KERNEL32.@)
754 */
755 HFILE WINAPI _lopen( LPCSTR path, INT mode )
756 {
757 HANDLE hfile;
758
759 TRACE("(%s,%04x)\n", debugstr_a(path), mode );
760 hfile = create_file_OF( path, mode & ~OF_CREATE );
761 return HandleToLong(hfile);
762 }
763
764 /***********************************************************************
765 * _lread (KERNEL32.@)
766 */
767 UINT WINAPI _lread( HFILE handle, LPVOID buffer, UINT count )
768 {
769 DWORD result;
770 if (!ReadFile( LongToHandle(handle), buffer, count, &result, NULL ))
771 return HFILE_ERROR;
772 return result;
773 }
774
775
776 /***********************************************************************
777 * _llseek (KERNEL32.@)
778 */
779 LONG WINAPI _llseek( HFILE hFile, LONG lOffset, INT nOrigin )
780 {
781 return SetFilePointer( LongToHandle(hFile), lOffset, NULL, nOrigin );
782 }
783
784
785 /***********************************************************************
786 * _lwrite (KERNEL32.@)
787 */
788 UINT WINAPI _lwrite( HFILE hFile, LPCSTR buffer, UINT count )
789 {
790 return (UINT)_hwrite( hFile, buffer, (LONG)count );
791 }
792
793
794 /***********************************************************************
795 * FlushFileBuffers (KERNEL32.@)
796 */
797 BOOL WINAPI FlushFileBuffers( HANDLE hFile )
798 {
799 NTSTATUS nts;
800 IO_STATUS_BLOCK ioblk;
801
802 if (is_console_handle( hFile ))
803 {
804 /* this will fail (as expected) for an output handle */
805 return FlushConsoleInputBuffer( hFile );
806 }
807 nts = NtFlushBuffersFile( hFile, &ioblk );
808 if (nts != STATUS_SUCCESS)
809 {
810 SetLastError( RtlNtStatusToDosError( nts ) );
811 return FALSE;
812 }
813
814 return TRUE;
815 }
816
817
818 /***********************************************************************
819 * GetFileType (KERNEL32.@)
820 */
821 DWORD WINAPI GetFileType( HANDLE hFile )
822 {
823 FILE_FS_DEVICE_INFORMATION info;
824 IO_STATUS_BLOCK io;
825 NTSTATUS status;
826
827 if (hFile == (HANDLE)STD_INPUT_HANDLE || hFile == (HANDLE)STD_OUTPUT_HANDLE
828 || hFile == (HANDLE)STD_ERROR_HANDLE)
829 hFile = GetStdHandle((DWORD_PTR)hFile);
830
831 if (is_console_handle( hFile )) return FILE_TYPE_CHAR;
832
833 status = NtQueryVolumeInformationFile( hFile, &io, &info, sizeof(info), FileFsDeviceInformation );
834 if (status != STATUS_SUCCESS)
835 {
836 SetLastError( RtlNtStatusToDosError(status) );
837 return FILE_TYPE_UNKNOWN;
838 }
839
840 switch(info.DeviceType)
841 {
842 case FILE_DEVICE_NULL:
843 case FILE_DEVICE_SERIAL_PORT:
844 case FILE_DEVICE_PARALLEL_PORT:
845 case FILE_DEVICE_TAPE:
846 case FILE_DEVICE_UNKNOWN:
847 return FILE_TYPE_CHAR;
848 case FILE_DEVICE_NAMED_PIPE:
849 return FILE_TYPE_PIPE;
850 default:
851 return FILE_TYPE_DISK;
852 }
853 }
854
855
856 /***********************************************************************
857 * GetFileInformationByHandle (KERNEL32.@)
858 */
859 BOOL WINAPI GetFileInformationByHandle( HANDLE hFile, BY_HANDLE_FILE_INFORMATION *info )
860 {
861 FILE_ALL_INFORMATION all_info;
862 IO_STATUS_BLOCK io;
863 NTSTATUS status;
864
865 status = NtQueryInformationFile( hFile, &io, &all_info, sizeof(all_info), FileAllInformation );
866 if (status == STATUS_BUFFER_OVERFLOW) status = STATUS_SUCCESS;
867 if (status == STATUS_SUCCESS)
868 {
869 info->dwFileAttributes = all_info.BasicInformation.FileAttributes;
870 info->ftCreationTime.dwHighDateTime = all_info.BasicInformation.CreationTime.u.HighPart;
871 info->ftCreationTime.dwLowDateTime = all_info.BasicInformation.CreationTime.u.LowPart;
872 info->ftLastAccessTime.dwHighDateTime = all_info.BasicInformation.LastAccessTime.u.HighPart;
873 info->ftLastAccessTime.dwLowDateTime = all_info.BasicInformation.LastAccessTime.u.LowPart;
874 info->ftLastWriteTime.dwHighDateTime = all_info.BasicInformation.LastWriteTime.u.HighPart;
875 info->ftLastWriteTime.dwLowDateTime = all_info.BasicInformation.LastWriteTime.u.LowPart;
876 info->dwVolumeSerialNumber = 0; /* FIXME */
877 info->nFileSizeHigh = all_info.StandardInformation.EndOfFile.u.HighPart;
878 info->nFileSizeLow = all_info.StandardInformation.EndOfFile.u.LowPart;
879 info->nNumberOfLinks = all_info.StandardInformation.NumberOfLinks;
880 info->nFileIndexHigh = all_info.InternalInformation.IndexNumber.u.HighPart;
881 info->nFileIndexLow = all_info.InternalInformation.IndexNumber.u.LowPart;
882 return TRUE;
883 }
884 SetLastError( RtlNtStatusToDosError(status) );
885 return FALSE;
886 }
887
888
889 /***********************************************************************
890 * GetFileInformationByHandleEx (KERNEL32.@)
891 */
892 BOOL WINAPI GetFileInformationByHandleEx( HANDLE handle, FILE_INFO_BY_HANDLE_CLASS class,
893 LPVOID info, DWORD size )
894 {
895 NTSTATUS status;
896 IO_STATUS_BLOCK io;
897
898 switch (class)
899 {
900 case FileStreamInfo:
901 case FileCompressionInfo:
902 case FileAttributeTagInfo:
903 case FileRemoteProtocolInfo:
904 case FileFullDirectoryInfo:
905 case FileFullDirectoryRestartInfo:
906 case FileStorageInfo:
907 case FileAlignmentInfo:
908 case FileIdInfo:
909 case FileIdExtdDirectoryInfo:
910 case FileIdExtdDirectoryRestartInfo:
911 FIXME( "%p, %u, %p, %u\n", handle, class, info, size );
912 SetLastError( ERROR_CALL_NOT_IMPLEMENTED );
913 return FALSE;
914
915 case FileBasicInfo:
916 status = NtQueryInformationFile( handle, &io, info, size, FileBasicInformation );
917 break;
918
919 case FileStandardInfo:
920 status = NtQueryInformationFile( handle, &io, info, size, FileStandardInformation );
921 break;
922
923 case FileNameInfo:
924 status = NtQueryInformationFile( handle, &io, info, size, FileNameInformation );
925 break;
926
927 case FileIdBothDirectoryRestartInfo:
928 case FileIdBothDirectoryInfo:
929 status = NtQueryDirectoryFile( handle, NULL, NULL, NULL, &io, info, size,
930 FileIdBothDirectoryInformation, FALSE, NULL,
931 (class == FileIdBothDirectoryRestartInfo) );
932 break;
933
934 case FileRenameInfo:
935 case FileDispositionInfo:
936 case FileAllocationInfo:
937 case FileIoPriorityHintInfo:
938 case FileEndOfFileInfo:
939 default:
940 SetLastError( ERROR_INVALID_PARAMETER );
941 return FALSE;
942 }
943
944 if (status != STATUS_SUCCESS)
945 {
946 SetLastError( RtlNtStatusToDosError( status ) );
947 return FALSE;
948 }
949 return TRUE;
950 }
951
952
953 /***********************************************************************
954 * GetFileSize (KERNEL32.@)
955 *
956 * Retrieve the size of a file.
957 *
958 * PARAMS
959 * hFile [I] File to retrieve size of.
960 * filesizehigh [O] On return, the high bits of the file size.
961 *
962 * RETURNS
963 * Success: The low bits of the file size.
964 * Failure: INVALID_FILE_SIZE. As this is could also be a success value,
965 * check GetLastError() for values other than ERROR_SUCCESS.
966 */
967 DWORD WINAPI GetFileSize( HANDLE hFile, LPDWORD filesizehigh )
968 {
969 LARGE_INTEGER size;
970 if (!GetFileSizeEx( hFile, &size )) return INVALID_FILE_SIZE;
971 if (filesizehigh) *filesizehigh = size.u.HighPart;
972 if (size.u.LowPart == INVALID_FILE_SIZE) SetLastError(0);
973 return size.u.LowPart;
974 }
975
976
977 /***********************************************************************
978 * GetFileSizeEx (KERNEL32.@)
979 *
980 * Retrieve the size of a file.
981 *
982 * PARAMS
983 * hFile [I] File to retrieve size of.
984 * lpFileSIze [O] On return, the size of the file.
985 *
986 * RETURNS
987 * Success: TRUE.
988 * Failure: FALSE, check GetLastError().
989 */
990 BOOL WINAPI GetFileSizeEx( HANDLE hFile, PLARGE_INTEGER lpFileSize )
991 {
992 FILE_STANDARD_INFORMATION info;
993 IO_STATUS_BLOCK io;
994 NTSTATUS status;
995
996 if (is_console_handle( hFile ))
997 {
998 SetLastError( ERROR_INVALID_HANDLE );
999 return FALSE;
1000 }
1001
1002 status = NtQueryInformationFile( hFile, &io, &info, sizeof(info), FileStandardInformation );
1003 if (status == STATUS_SUCCESS)
1004 {
1005 *lpFileSize = info.EndOfFile;
1006 return TRUE;
1007 }
1008 SetLastError( RtlNtStatusToDosError(status) );
1009 return FALSE;
1010 }
1011
1012
1013 /**************************************************************************
1014 * SetEndOfFile (KERNEL32.@)
1015 *
1016 * Sets the current position as the end of the file.
1017 *
1018 * PARAMS
1019 * hFile [I] File handle.
1020 *
1021 * RETURNS
1022 * Success: TRUE.
1023 * Failure: FALSE, check GetLastError().
1024 */
1025 BOOL WINAPI SetEndOfFile( HANDLE hFile )
1026 {
1027 FILE_POSITION_INFORMATION pos;
1028 FILE_END_OF_FILE_INFORMATION eof;
1029 IO_STATUS_BLOCK io;
1030 NTSTATUS status;
1031
1032 status = NtQueryInformationFile( hFile, &io, &pos, sizeof(pos), FilePositionInformation );
1033 if (status == STATUS_SUCCESS)
1034 {
1035 eof.EndOfFile = pos.CurrentByteOffset;
1036 status = NtSetInformationFile( hFile, &io, &eof, sizeof(eof), FileEndOfFileInformation );
1037 }
1038 if (status == STATUS_SUCCESS) return TRUE;
1039 SetLastError( RtlNtStatusToDosError(status) );
1040 return FALSE;
1041 }
1042
1043 /**************************************************************************
1044 * SetFileCompletionNotificationModes (KERNEL32.@)
1045 */
1046 BOOL WINAPI SetFileCompletionNotificationModes( HANDLE handle, UCHAR flags )
1047 {
1048 FIXME("%p %x - stub\n", handle, flags);
1049 SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
1050 return FALSE;
1051 }
1052
1053
1054 /***********************************************************************
1055 * SetFileInformationByHandle (KERNEL32.@)
1056 */
1057 BOOL WINAPI SetFileInformationByHandle( HANDLE file, FILE_INFO_BY_HANDLE_CLASS class, VOID *info, DWORD size )
1058 {
1059 NTSTATUS status;
1060 IO_STATUS_BLOCK io;
1061
1062 TRACE( "%p %u %p %u\n", file, class, info, size );
1063
1064 switch (class)
1065 {
1066 case FileBasicInfo:
1067 case FileNameInfo:
1068 case FileRenameInfo:
1069 case FileAllocationInfo:
1070 case FileEndOfFileInfo:
1071 case FileStreamInfo:
1072 case FileIdBothDirectoryInfo:
1073 case FileIdBothDirectoryRestartInfo:
1074 case FileIoPriorityHintInfo:
1075 case FileFullDirectoryInfo:
1076 case FileFullDirectoryRestartInfo:
1077 case FileStorageInfo:
1078 case FileAlignmentInfo:
1079 case FileIdInfo:
1080 case FileIdExtdDirectoryInfo:
1081 case FileIdExtdDirectoryRestartInfo:
1082 FIXME( "%p, %u, %p, %u\n", file, class, info, size );
1083 SetLastError( ERROR_CALL_NOT_IMPLEMENTED );
1084 return FALSE;
1085
1086 case FileDispositionInfo:
1087 status = NtSetInformationFile( file, &io, info, size, FileDispositionInformation );
1088 break;
1089
1090 case FileStandardInfo:
1091 case FileCompressionInfo:
1092 case FileAttributeTagInfo:
1093 case FileRemoteProtocolInfo:
1094 default:
1095 SetLastError( ERROR_INVALID_PARAMETER );
1096 return FALSE;
1097 }
1098
1099 if (status != STATUS_SUCCESS)
1100 {
1101 SetLastError( RtlNtStatusToDosError( status ) );
1102 return FALSE;
1103 }
1104 return TRUE;
1105 }
1106
1107
1108 /***********************************************************************
1109 * SetFilePointer (KERNEL32.@)
1110 */
1111 DWORD WINAPI DECLSPEC_HOTPATCH SetFilePointer( HANDLE hFile, LONG distance, LONG *highword, DWORD method )
1112 {
1113 LARGE_INTEGER dist, newpos;
1114
1115 if (highword)
1116 {
1117 dist.u.LowPart = distance;
1118 dist.u.HighPart = *highword;
1119 }
1120 else dist.QuadPart = distance;
1121
1122 if (!SetFilePointerEx( hFile, dist, &newpos, method )) return INVALID_SET_FILE_POINTER;
1123
1124 if (highword) *highword = newpos.u.HighPart;
1125 if (newpos.u.LowPart == INVALID_SET_FILE_POINTER) SetLastError( 0 );
1126 return newpos.u.LowPart;
1127 }
1128
1129
1130 /***********************************************************************
1131 * SetFilePointerEx (KERNEL32.@)
1132 */
1133 BOOL WINAPI SetFilePointerEx( HANDLE hFile, LARGE_INTEGER distance,
1134 LARGE_INTEGER *newpos, DWORD method )
1135 {
1136 LONGLONG pos;
1137 IO_STATUS_BLOCK io;
1138 FILE_POSITION_INFORMATION info;
1139
1140 switch(method)
1141 {
1142 case FILE_BEGIN:
1143 pos = distance.QuadPart;
1144 break;
1145 case FILE_CURRENT:
1146 if (NtQueryInformationFile( hFile, &io, &info, sizeof(info), FilePositionInformation ))
1147 goto error;
1148 pos = info.CurrentByteOffset.QuadPart + distance.QuadPart;
1149 break;
1150 case FILE_END:
1151 {
1152 FILE_END_OF_FILE_INFORMATION eof;
1153 if (NtQueryInformationFile( hFile, &io, &eof, sizeof(eof), FileEndOfFileInformation ))
1154 goto error;
1155 pos = eof.EndOfFile.QuadPart + distance.QuadPart;
1156 }
1157 break;
1158 default:
1159 SetLastError( ERROR_INVALID_PARAMETER );
1160 return FALSE;
1161 }
1162
1163 if (pos < 0)
1164 {
1165 SetLastError( ERROR_NEGATIVE_SEEK );
1166 return FALSE;
1167 }
1168
1169 info.CurrentByteOffset.QuadPart = pos;
1170 if (NtSetInformationFile( hFile, &io, &info, sizeof(info), FilePositionInformation ))
1171 goto error;
1172 if (newpos) newpos->QuadPart = pos;
1173 return TRUE;
1174
1175 error:
1176 SetLastError( RtlNtStatusToDosError(io.u.Status) );
1177 return FALSE;
1178 }
1179
1180 /***********************************************************************
1181 * SetFileValidData (KERNEL32.@)
1182 */
1183 BOOL WINAPI SetFileValidData( HANDLE hFile, LONGLONG ValidDataLength )
1184 {
1185 FILE_VALID_DATA_LENGTH_INFORMATION info;
1186 IO_STATUS_BLOCK io;
1187 NTSTATUS status;
1188
1189 info.ValidDataLength.QuadPart = ValidDataLength;
1190 status = NtSetInformationFile( hFile, &io, &info, sizeof(info), FileValidDataLengthInformation );
1191
1192 if (status == STATUS_SUCCESS) return TRUE;
1193 SetLastError( RtlNtStatusToDosError(status) );
1194 return FALSE;
1195 }
1196
1197 /***********************************************************************
1198 * GetFileTime (KERNEL32.@)
1199 */
1200 BOOL WINAPI GetFileTime( HANDLE hFile, FILETIME *lpCreationTime,
1201 FILETIME *lpLastAccessTime, FILETIME *lpLastWriteTime )
1202 {
1203 FILE_BASIC_INFORMATION info;
1204 IO_STATUS_BLOCK io;
1205 NTSTATUS status;
1206
1207 status = NtQueryInformationFile( hFile, &io, &info, sizeof(info), FileBasicInformation );
1208 if (status == STATUS_SUCCESS)
1209 {
1210 if (lpCreationTime)
1211 {
1212 lpCreationTime->dwHighDateTime = info.CreationTime.u.HighPart;
1213 lpCreationTime->dwLowDateTime = info.CreationTime.u.LowPart;
1214 }
1215 if (lpLastAccessTime)
1216 {
1217 lpLastAccessTime->dwHighDateTime = info.LastAccessTime.u.HighPart;
1218 lpLastAccessTime->dwLowDateTime = info.LastAccessTime.u.LowPart;
1219 }
1220 if (lpLastWriteTime)
1221 {
1222 lpLastWriteTime->dwHighDateTime = info.LastWriteTime.u.HighPart;
1223 lpLastWriteTime->dwLowDateTime = info.LastWriteTime.u.LowPart;
1224 }
1225 return TRUE;
1226 }
1227 SetLastError( RtlNtStatusToDosError(status) );
1228 return FALSE;
1229 }
1230
1231
1232 /***********************************************************************
1233 * SetFileTime (KERNEL32.@)
1234 */
1235 BOOL WINAPI SetFileTime( HANDLE hFile, const FILETIME *ctime,
1236 const FILETIME *atime, const FILETIME *mtime )
1237 {
1238 FILE_BASIC_INFORMATION info;
1239 IO_STATUS_BLOCK io;
1240 NTSTATUS status;
1241
1242 memset( &info, 0, sizeof(info) );
1243 if (ctime)
1244 {
1245 info.CreationTime.u.HighPart = ctime->dwHighDateTime;
1246 info.CreationTime.u.LowPart = ctime->dwLowDateTime;
1247 }
1248 if (atime)
1249 {
1250 info.LastAccessTime.u.HighPart = atime->dwHighDateTime;
1251 info.LastAccessTime.u.LowPart = atime->dwLowDateTime;
1252 }
1253 if (mtime)
1254 {
1255 info.LastWriteTime.u.HighPart = mtime->dwHighDateTime;
1256 info.LastWriteTime.u.LowPart = mtime->dwLowDateTime;
1257 }
1258
1259 status = NtSetInformationFile( hFile, &io, &info, sizeof(info), FileBasicInformation );
1260 if (status == STATUS_SUCCESS) return TRUE;
1261 SetLastError( RtlNtStatusToDosError(status) );
1262 return FALSE;
1263 }
1264
1265
1266 /**************************************************************************
1267 * LockFile (KERNEL32.@)
1268 */
1269 BOOL WINAPI LockFile( HANDLE hFile, DWORD offset_low, DWORD offset_high,
1270 DWORD count_low, DWORD count_high )
1271 {
1272 NTSTATUS status;
1273 LARGE_INTEGER count, offset;
1274
1275 TRACE( "%p %x%08x %x%08x\n",
1276 hFile, offset_high, offset_low, count_high, count_low );
1277
1278 count.u.LowPart = count_low;
1279 count.u.HighPart = count_high;
1280 offset.u.LowPart = offset_low;
1281 offset.u.HighPart = offset_high;
1282
1283 status = NtLockFile( hFile, 0, NULL, NULL,
1284 NULL, &offset, &count, NULL, TRUE, TRUE );
1285
1286 if (status != STATUS_SUCCESS) SetLastError( RtlNtStatusToDosError(status) );
1287 return !status;
1288 }
1289
1290
1291 /**************************************************************************
1292 * LockFileEx [KERNEL32.@]
1293 *
1294 * Locks a byte range within an open file for shared or exclusive access.
1295 *
1296 * RETURNS
1297 * success: TRUE
1298 * failure: FALSE
1299 *
1300 * NOTES
1301 * Per Microsoft docs, the third parameter (reserved) must be set to 0.
1302 */
1303 BOOL WINAPI LockFileEx( HANDLE hFile, DWORD flags, DWORD reserved,
1304 DWORD count_low, DWORD count_high, LPOVERLAPPED overlapped )
1305 {
1306 NTSTATUS status;
1307 LARGE_INTEGER count, offset;
1308 LPVOID cvalue = NULL;
1309
1310 if (reserved)
1311 {
1312 SetLastError( ERROR_INVALID_PARAMETER );
1313 return FALSE;
1314 }
1315
1316 TRACE( "%p %x%08x %x%08x flags %x\n",
1317 hFile, overlapped->u.s.OffsetHigh, overlapped->u.s.Offset,
1318 count_high, count_low, flags );
1319
1320 count.u.LowPart = count_low;
1321 count.u.HighPart = count_high;
1322 offset.u.LowPart = overlapped->u.s.Offset;
1323 offset.u.HighPart = overlapped->u.s.OffsetHigh;
1324
1325 if (((ULONG_PTR)overlapped->hEvent & 1) == 0) cvalue = overlapped;
1326
1327 status = NtLockFile( hFile, overlapped->hEvent, NULL, cvalue,
1328 NULL, &offset, &count, NULL,
1329 flags & LOCKFILE_FAIL_IMMEDIATELY,
1330 flags & LOCKFILE_EXCLUSIVE_LOCK );
1331
1332 if (status) SetLastError( RtlNtStatusToDosError(status) );
1333 return !status;
1334 }
1335
1336
1337 /**************************************************************************
1338 * UnlockFile (KERNEL32.@)
1339 */
1340 BOOL WINAPI UnlockFile( HANDLE hFile, DWORD offset_low, DWORD offset_high,
1341 DWORD count_low, DWORD count_high )
1342 {
1343 NTSTATUS status;
1344 LARGE_INTEGER count, offset;
1345
1346 count.u.LowPart = count_low;
1347 count.u.HighPart = count_high;
1348 offset.u.LowPart = offset_low;
1349 offset.u.HighPart = offset_high;
1350
1351 status = NtUnlockFile( hFile, NULL, &offset, &count, NULL);
1352 if (status) SetLastError( RtlNtStatusToDosError(status) );
1353 return !status;
1354 }
1355
1356
1357 /**************************************************************************
1358 * UnlockFileEx (KERNEL32.@)
1359 */
1360 BOOL WINAPI UnlockFileEx( HANDLE hFile, DWORD reserved, DWORD count_low, DWORD count_high,
1361 LPOVERLAPPED overlapped )
1362 {
1363 if (reserved)
1364 {
1365 SetLastError( ERROR_INVALID_PARAMETER );
1366 return FALSE;
1367 }
1368 if (overlapped->hEvent) FIXME("Unimplemented overlapped operation\n");
1369
1370 return UnlockFile( hFile, overlapped->u.s.Offset, overlapped->u.s.OffsetHigh, count_low, count_high );
1371 }
1372
1373
1374 /*************************************************************************
1375 * SetHandleCount (KERNEL32.@)
1376 */
1377 UINT WINAPI SetHandleCount( UINT count )
1378 {
1379 return count;
1380 }
1381
1382
1383 /**************************************************************************
1384 * Operations on file names *
1385 **************************************************************************/
1386
1387
1388 /*************************************************************************
1389 * CreateFileW [KERNEL32.@] Creates or opens a file or other object
1390 *
1391 * Creates or opens an object, and returns a handle that can be used to
1392 * access that object.
1393 *
1394 * PARAMS
1395 *
1396 * filename [in] pointer to filename to be accessed
1397 * access [in] access mode requested
1398 * sharing [in] share mode
1399 * sa [in] pointer to security attributes
1400 * creation [in] how to create the file
1401 * attributes [in] attributes for newly created file
1402 * template [in] handle to file with extended attributes to copy
1403 *
1404 * RETURNS
1405 * Success: Open handle to specified file
1406 * Failure: INVALID_HANDLE_VALUE
1407 */
1408 HANDLE WINAPI CreateFileW( LPCWSTR filename, DWORD access, DWORD sharing,
1409 LPSECURITY_ATTRIBUTES sa, DWORD creation,
1410 DWORD attributes, HANDLE template )
1411 {
1412 NTSTATUS status;
1413 UINT options;
1414 OBJECT_ATTRIBUTES attr;
1415 UNICODE_STRING nameW;
1416 IO_STATUS_BLOCK io;
1417 HANDLE ret;
1418 DWORD dosdev;
1419 const WCHAR *vxd_name = NULL;
1420 static const WCHAR bkslashes_with_dotW[] = {'\\','\\','.','\\',0};
1421 static const WCHAR coninW[] = {'C','O','N','I','N','$',0};
1422 static const WCHAR conoutW[] = {'C','O','N','O','U','T','$',0};
1423 SECURITY_QUALITY_OF_SERVICE qos;
1424
1425 static const UINT nt_disposition[5] =
1426 {
1427 FILE_CREATE, /* CREATE_NEW */
1428 FILE_OVERWRITE_IF, /* CREATE_ALWAYS */
1429 FILE_OPEN, /* OPEN_EXISTING */
1430 FILE_OPEN_IF, /* OPEN_ALWAYS */
1431 FILE_OVERWRITE /* TRUNCATE_EXISTING */
1432 };
1433
1434
1435 /* sanity checks */
1436
1437 if (!filename || !filename[0])
1438 {
1439 SetLastError( ERROR_PATH_NOT_FOUND );
1440 return INVALID_HANDLE_VALUE;
1441 }
1442
1443 TRACE("%s %s%s%s%s%s%s%s creation %d attributes 0x%x\n", debugstr_w(filename),
1444 (access & GENERIC_READ)?"GENERIC_READ ":"",
1445 (access & GENERIC_WRITE)?"GENERIC_WRITE ":"",
1446 (access & GENERIC_EXECUTE)?"GENERIC_EXECUTE ":"",
1447 (!access)?"QUERY_ACCESS ":"",
1448 (sharing & FILE_SHARE_READ)?"FILE_SHARE_READ ":"",
1449 (sharing & FILE_SHARE_WRITE)?"FILE_SHARE_WRITE ":"",
1450 (sharing & FILE_SHARE_DELETE)?"FILE_SHARE_DELETE ":"",
1451 creation, attributes);
1452
1453 /* Open a console for CONIN$ or CONOUT$ */
1454
1455 if (!strcmpiW(filename, coninW) || !strcmpiW(filename, conoutW))
1456 {
1457 ret = OpenConsoleW(filename, access, (sa && sa->bInheritHandle),
1458 creation ? OPEN_EXISTING : 0);
1459 if (ret == INVALID_HANDLE_VALUE) SetLastError(ERROR_INVALID_PARAMETER);
1460 goto done;
1461 }
1462
1463 if (!strncmpW(filename, bkslashes_with_dotW, 4))
1464 {
1465 static const WCHAR pipeW[] = {'P','I','P','E','\\',0};
1466 static const WCHAR mailslotW[] = {'M','A','I','L','S','L','O','T','\\',0};
1467
1468 if ((isalphaW(filename[4]) && filename[5] == ':' && filename[6] == '\0') ||
1469 !strncmpiW( filename + 4, pipeW, 5 ) ||
1470 !strncmpiW( filename + 4, mailslotW, 9 ))
1471 {
1472 dosdev = 0;
1473 }
1474 else if ((dosdev = RtlIsDosDeviceName_U( filename + 4 )))
1475 {
1476 dosdev += MAKELONG( 0, 4*sizeof(WCHAR) ); /* adjust position to start of filename */
1477 }
1478 else if (GetVersion() & 0x80000000)
1479 {
1480 vxd_name = filename + 4;
1481 if (!creation) creation = OPEN_EXISTING;
1482 }
1483 }
1484 else dosdev = RtlIsDosDeviceName_U( filename );
1485
1486 if (dosdev)
1487 {
1488 static const WCHAR conW[] = {'C','O','N'};
1489
1490 if (LOWORD(dosdev) == sizeof(conW) &&
1491 !memicmpW( filename + HIWORD(dosdev)/sizeof(WCHAR), conW, sizeof(conW)/sizeof(WCHAR)))
1492 {
1493 switch (access & (GENERIC_READ|GENERIC_WRITE))
1494 {
1495 case GENERIC_READ:
1496 ret = OpenConsoleW(coninW, access, (sa && sa->bInheritHandle), OPEN_EXISTING);
1497 goto done;
1498 case GENERIC_WRITE:
1499 ret = OpenConsoleW(conoutW, access, (sa && sa->bInheritHandle), OPEN_EXISTING);
1500 goto done;
1501 default:
1502 SetLastError( ERROR_FILE_NOT_FOUND );
1503 return INVALID_HANDLE_VALUE;
1504 }
1505 }
1506 }
1507
1508 if (creation < CREATE_NEW || creation > TRUNCATE_EXISTING)
1509 {
1510 SetLastError( ERROR_INVALID_PARAMETER );
1511 return INVALID_HANDLE_VALUE;
1512 }
1513
1514 if (!RtlDosPathNameToNtPathName_U( filename, &nameW, NULL, NULL ))
1515 {
1516 SetLastError( ERROR_PATH_NOT_FOUND );
1517 return INVALID_HANDLE_VALUE;
1518 }
1519
1520 /* now call NtCreateFile */
1521
1522 options = 0;
1523 if (attributes & FILE_FLAG_BACKUP_SEMANTICS)
1524 options |= FILE_OPEN_FOR_BACKUP_INTENT;
1525 else
1526 options |= FILE_NON_DIRECTORY_FILE;
1527 if (attributes & FILE_FLAG_DELETE_ON_CLOSE)
1528 {
1529 options |= FILE_DELETE_ON_CLOSE;
1530 access |= DELETE;
1531 }
1532 if (attributes & FILE_FLAG_NO_BUFFERING)
1533 options |= FILE_NO_INTERMEDIATE_BUFFERING;
1534 if (!(attributes & FILE_FLAG_OVERLAPPED))
1535 options |= FILE_SYNCHRONOUS_IO_NONALERT;
1536 if (attributes & FILE_FLAG_RANDOM_ACCESS)
1537 options |= FILE_RANDOM_ACCESS;
1538 attributes &= FILE_ATTRIBUTE_VALID_FLAGS;
1539
1540 attr.Length = sizeof(attr);
1541 attr.RootDirectory = 0;
1542 attr.Attributes = OBJ_CASE_INSENSITIVE;
1543 attr.ObjectName = &nameW;
1544 attr.SecurityDescriptor = sa ? sa->lpSecurityDescriptor : NULL;
1545 if (attributes & SECURITY_SQOS_PRESENT)
1546 {
1547 qos.Length = sizeof(qos);
1548 qos.ImpersonationLevel = (attributes >> 16) & 0x3;
1549 qos.ContextTrackingMode = attributes & SECURITY_CONTEXT_TRACKING ? SECURITY_DYNAMIC_TRACKING : SECURITY_STATIC_TRACKING;
1550 qos.EffectiveOnly = (attributes & SECURITY_EFFECTIVE_ONLY) != 0;
1551 attr.SecurityQualityOfService = &qos;
1552 }
1553 else
1554 attr.SecurityQualityOfService = NULL;
1555
1556 if (sa && sa->bInheritHandle) attr.Attributes |= OBJ_INHERIT;
1557
1558 status = NtCreateFile( &ret, access, &attr, &io, NULL, attributes,
1559 sharing, nt_disposition[creation - CREATE_NEW],
1560 options, NULL, 0 );
1561 if (status)
1562 {
1563 if (vxd_name && vxd_name[0])
1564 {
1565 static HANDLE (*vxd_open)(LPCWSTR,DWORD,SECURITY_ATTRIBUTES*);
1566 if (!vxd_open) vxd_open = (void *)GetProcAddress( GetModuleHandleA("krnl386.exe16"),
1567 "__wine_vxd_open" );
1568 if (vxd_open && (ret = vxd_open( vxd_name, access, sa ))) goto done;
1569 }
1570
1571 WARN("Unable to create file %s (status %x)\n", debugstr_w(filename), status);
1572 ret = INVALID_HANDLE_VALUE;
1573
1574 /* In the case file creation was rejected due to CREATE_NEW flag
1575 * was specified and file with that name already exists, correct
1576 * last error is ERROR_FILE_EXISTS and not ERROR_ALREADY_EXISTS.
1577 * Note: RtlNtStatusToDosError is not the subject to blame here.
1578 */
1579 if (status == STATUS_OBJECT_NAME_COLLISION)
1580 SetLastError( ERROR_FILE_EXISTS );
1581 else
1582 SetLastError( RtlNtStatusToDosError(status) );
1583 }
1584 else
1585 {
1586 if ((creation == CREATE_ALWAYS && io.Information == FILE_OVERWRITTEN) ||
1587 (creation == OPEN_ALWAYS && io.Information == FILE_OPENED))
1588 SetLastError( ERROR_ALREADY_EXISTS );
1589 else
1590 SetLastError( 0 );
1591 }
1592 RtlFreeUnicodeString( &nameW );
1593
1594 done:
1595 if (!ret) ret = INVALID_HANDLE_VALUE;
1596 TRACE("returning %p\n", ret);
1597 return ret;
1598 }
1599
1600
1601
1602 /*************************************************************************
1603 * CreateFileA (KERNEL32.@)
1604 *
1605 * See CreateFileW.
1606 */
1607 HANDLE WINAPI CreateFileA( LPCSTR filename, DWORD access, DWORD sharing,
1608 LPSECURITY_ATTRIBUTES sa, DWORD creation,
1609 DWORD attributes, HANDLE template)
1610 {
1611 WCHAR *nameW;
1612
1613 if (!(nameW = FILE_name_AtoW( filename, FALSE ))) return INVALID_HANDLE_VALUE;
1614 return CreateFileW( nameW, access, sharing, sa, creation, attributes, template );
1615 }
1616
1617 /*************************************************************************
1618 * CreateFile2 (KERNEL32.@)
1619 */
1620 HANDLE WINAPI CreateFile2( LPCWSTR filename, DWORD access, DWORD sharing, DWORD creation,
1621 CREATEFILE2_EXTENDED_PARAMETERS *exparams )
1622 {
1623 LPSECURITY_ATTRIBUTES sa = exparams ? exparams->lpSecurityAttributes : NULL;
1624 DWORD attributes = exparams ? exparams->dwFileAttributes : 0;
1625 HANDLE template = exparams ? exparams->hTemplateFile : NULL;
1626
1627 FIXME("(%s %x %x %x %p), partial stub\n", debugstr_w(filename), access, sharing, creation, exparams);
1628
1629 return CreateFileW( filename, access, sharing, sa, creation, attributes, template );
1630 }
1631
1632 /***********************************************************************
1633 * DeleteFileW (KERNEL32.@)
1634 *
1635 * Delete a file.
1636 *
1637 * PARAMS
1638 * path [I] Path to the file to delete.
1639 *
1640 * RETURNS
1641 * Success: TRUE.
1642 * Failure: FALSE, check GetLastError().
1643 */
1644 BOOL WINAPI DeleteFileW( LPCWSTR path )
1645 {
1646 UNICODE_STRING nameW;
1647 OBJECT_ATTRIBUTES attr;
1648 NTSTATUS status;
1649 HANDLE hFile;
1650 IO_STATUS_BLOCK io;
1651
1652 TRACE("%s\n", debugstr_w(path) );
1653
1654 if (!RtlDosPathNameToNtPathName_U( path, &nameW, NULL, NULL ))
1655 {
1656 SetLastError( ERROR_PATH_NOT_FOUND );
1657 return FALSE;
1658 }
1659
1660 attr.Length = sizeof(attr);
1661 attr.RootDirectory = 0;
1662 attr.Attributes = OBJ_CASE_INSENSITIVE;
1663 attr.ObjectName = &nameW;
1664 attr.SecurityDescriptor = NULL;
1665 attr.SecurityQualityOfService = NULL;
1666
1667 status = NtCreateFile(&hFile, GENERIC_READ | GENERIC_WRITE | DELETE,
1668 &attr, &io, NULL, 0,
1669 FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
1670 FILE_OPEN, FILE_DELETE_ON_CLOSE | FILE_NON_DIRECTORY_FILE, NULL, 0);
1671 if (status == STATUS_SUCCESS) status = NtClose(hFile);
1672
1673 RtlFreeUnicodeString( &nameW );
1674 if (status)
1675 {
1676 SetLastError( RtlNtStatusToDosError(status) );
1677 return FALSE;
1678 }
1679 return TRUE;
1680 }
1681
1682
1683 /***********************************************************************
1684 * DeleteFileA (KERNEL32.@)
1685 *
1686 * See DeleteFileW.
1687 */
1688 BOOL WINAPI DeleteFileA( LPCSTR path )
1689 {
1690 WCHAR *pathW;
1691
1692 if (!(pathW = FILE_name_AtoW( path, FALSE ))) return FALSE;
1693 return DeleteFileW( pathW );
1694 }
1695
1696
1697 /**************************************************************************
1698 * ReplaceFileW (KERNEL32.@)
1699 * ReplaceFile (KERNEL32.@)
1700 */
1701 BOOL WINAPI ReplaceFileW(LPCWSTR lpReplacedFileName, LPCWSTR lpReplacementFileName,
1702 LPCWSTR lpBackupFileName, DWORD dwReplaceFlags,
1703 LPVOID lpExclude, LPVOID lpReserved)
1704 {
1705 UNICODE_STRING nt_replaced_name, nt_replacement_name;
1706 ANSI_STRING unix_replaced_name, unix_replacement_name, unix_backup_name;
1707 HANDLE hReplaced = NULL, hReplacement = NULL, hBackup = NULL;
1708 DWORD error = ERROR_SUCCESS;
1709 UINT replaced_flags;
1710 BOOL ret = FALSE;
1711 NTSTATUS status;
1712 IO_STATUS_BLOCK io;
1713 OBJECT_ATTRIBUTES attr;
1714
1715 TRACE("%s %s %s 0x%08x %p %p\n", debugstr_w(lpReplacedFileName),
1716 debugstr_w(lpReplacementFileName), debugstr_w(lpBackupFileName),
1717 dwReplaceFlags, lpExclude, lpReserved);
1718
1719 if (dwReplaceFlags)
1720 FIXME("Ignoring flags %x\n", dwReplaceFlags);
1721
1722 /* First two arguments are mandatory */
1723 if (!lpReplacedFileName || !lpReplacementFileName)
1724 {
1725 SetLastError(ERROR_INVALID_PARAMETER);
1726 return FALSE;
1727 }
1728
1729 unix_replaced_name.Buffer = NULL;
1730 unix_replacement_name.Buffer = NULL;
1731 unix_backup_name.Buffer = NULL;
1732
1733 attr.Length = sizeof(attr);
1734 attr.RootDirectory = 0;
1735 attr.Attributes = OBJ_CASE_INSENSITIVE;
1736 attr.ObjectName = NULL;
1737 attr.SecurityDescriptor = NULL;
1738 attr.SecurityQualityOfService = NULL;
1739
1740 /* Open the "replaced" file for reading and writing */
1741 if (!(RtlDosPathNameToNtPathName_U(lpReplacedFileName, &nt_replaced_name, NULL, NULL)))
1742 {
1743 error = ERROR_PATH_NOT_FOUND;
1744 goto fail;
1745 }
1746 replaced_flags = lpBackupFileName ? FILE_OPEN : FILE_OPEN_IF;
1747 attr.ObjectName = &nt_replaced_name;
1748 status = NtOpenFile(&hReplaced, GENERIC_READ|GENERIC_WRITE|DELETE|SYNCHRONIZE,
1749 &attr, &io,
1750 FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE,
1751 FILE_SYNCHRONOUS_IO_NONALERT|FILE_NON_DIRECTORY_FILE);
1752 if (status == STATUS_SUCCESS)
1753 status = wine_nt_to_unix_file_name(&nt_replaced_name, &unix_replaced_name, replaced_flags, FALSE);
1754 RtlFreeUnicodeString(&nt_replaced_name);
1755 if (status != STATUS_SUCCESS)
1756 {
1757 if (status == STATUS_OBJECT_NAME_NOT_FOUND)
1758 error = ERROR_FILE_NOT_FOUND;
1759 else
1760 error = ERROR_UNABLE_TO_REMOVE_REPLACED;
1761 goto fail;
1762 }
1763
1764 /*
1765 * Open the replacement file for reading, writing, and deleting
1766 * (writing and deleting are needed when finished)
1767 */
1768 if (!(RtlDosPathNameToNtPathName_U(lpReplacementFileName, &nt_replacement_name, NULL, NULL)))
1769 {
1770 error = ERROR_PATH_NOT_FOUND;
1771 goto fail;
1772 }
1773 attr.ObjectName = &nt_replacement_name;
1774 status = NtOpenFile(&hReplacement,
1775 GENERIC_READ|GENERIC_WRITE|DELETE|WRITE_DAC|SYNCHRONIZE,
1776 &attr, &io, 0,
1777 FILE_SYNCHRONOUS_IO_NONALERT|FILE_NON_DIRECTORY_FILE);
1778 if (status == STATUS_SUCCESS)
1779 status = wine_nt_to_unix_file_name(&nt_replacement_name, &unix_replacement_name, FILE_OPEN, FALSE);
1780 RtlFreeUnicodeString(&nt_replacement_name);
1781 if (status != STATUS_SUCCESS)
1782 {
1783 error = RtlNtStatusToDosError(status);
1784 goto fail;
1785 }
1786
1787 /* If the user wants a backup then that needs to be performed first */
1788 if (lpBackupFileName)
1789 {
1790 UNICODE_STRING nt_backup_name;
1791 FILE_BASIC_INFORMATION replaced_info;
1792
1793 /* Obtain the file attributes from the "replaced" file */
1794 status = NtQueryInformationFile(hReplaced, &io, &replaced_info,
1795 sizeof(replaced_info),
1796 FileBasicInformation);
1797 if (status != STATUS_SUCCESS)
1798 {
1799 error = RtlNtStatusToDosError(status);
1800 goto fail;
1801 }
1802
1803 if (!(RtlDosPathNameToNtPathName_U(lpBackupFileName, &nt_backup_name, NULL, NULL)))
1804 {
1805 error = ERROR_PATH_NOT_FOUND;
1806 goto fail;
1807 }
1808 attr.ObjectName = &nt_backup_name;
1809 /* Open the backup with permissions to write over it */
1810 status = NtCreateFile(&hBackup, GENERIC_WRITE,
1811 &attr, &io, NULL, replaced_info.FileAttributes,
1812 FILE_SHARE_WRITE, FILE_OPEN_IF,
1813 FILE_SYNCHRONOUS_IO_NONALERT|FILE_NON_DIRECTORY_FILE,
1814 NULL, 0);
1815 if (status == STATUS_SUCCESS)
1816 status = wine_nt_to_unix_file_name(&nt_backup_name, &unix_backup_name, FILE_OPEN_IF, FALSE);
1817 RtlFreeUnicodeString(&nt_backup_name);
1818 if (status != STATUS_SUCCESS)
1819 {
1820 error = RtlNtStatusToDosError(status);
1821 goto fail;
1822 }
1823
1824 /* If an existing backup exists then copy over it */
1825 if (rename(unix_replaced_name.Buffer, unix_backup_name.Buffer) == -1)
1826 {
1827 error = ERROR_UNABLE_TO_REMOVE_REPLACED; /* is this correct? */
1828 goto fail;
1829 }
1830 }
1831
1832 /*
1833 * Now that the backup has been performed (if requested), copy the replacement
1834 * into place
1835 */
1836 if (rename(unix_replacement_name.Buffer, unix_replaced_name.Buffer) == -1)
1837 {
1838 if (errno == EACCES)
1839 {
1840 /* Inappropriate permissions on "replaced", rename will fail */
1841 error = ERROR_UNABLE_TO_REMOVE_REPLACED;
1842 goto fail;
1843 }
1844 /* on failure we need to indicate whether a backup was made */
1845 if (!lpBackupFileName)
1846 error = ERROR_UNABLE_TO_MOVE_REPLACEMENT;
1847 else
1848 error = ERROR_UNABLE_TO_MOVE_REPLACEMENT_2;
1849 goto fail;
1850 }
1851 /* Success! */
1852 ret = TRUE;
1853
1854 /* Perform resource cleanup */
1855 fail:
1856 if (hBackup) CloseHandle(hBackup);
1857 if (hReplaced) CloseHandle(hReplaced);
1858 if (hReplacement) CloseHandle(hReplacement);
1859 RtlFreeAnsiString(&unix_backup_name);
1860 RtlFreeAnsiString(&unix_replacement_name);
1861 RtlFreeAnsiString(&unix_replaced_name);
1862
1863 /* If there was an error, set the error code */
1864 if(!ret)
1865 SetLastError(error);
1866 return ret;
1867 }
1868
1869
1870 /**************************************************************************
1871 * ReplaceFileA (KERNEL32.@)
1872 */
1873 BOOL WINAPI ReplaceFileA(LPCSTR lpReplacedFileName,LPCSTR lpReplacementFileName,
1874 LPCSTR lpBackupFileName, DWORD dwReplaceFlags,
1875 LPVOID lpExclude, LPVOID lpReserved)
1876 {
1877 WCHAR *replacedW, *replacementW, *backupW = NULL;
1878 BOOL ret;
1879
1880 /* This function only makes sense when the first two parameters are defined */
1881 if (!lpReplacedFileName || !(replacedW = FILE_name_AtoW( lpReplacedFileName, TRUE )))
1882 {
1883 SetLastError(ERROR_INVALID_PARAMETER);
1884 return FALSE;
1885 }
1886 if (!lpReplacementFileName || !(replacementW = FILE_name_AtoW( lpReplacementFileName, TRUE )))
1887 {
1888 HeapFree( GetProcessHeap(), 0, replacedW );
1889 SetLastError(ERROR_INVALID_PARAMETER);
1890 return FALSE;
1891 }
1892 /* The backup parameter, however, is optional */
1893 if (lpBackupFileName)
1894 {
1895 if (!(backupW = FILE_name_AtoW( lpBackupFileName, TRUE )))
1896 {
1897 HeapFree( GetProcessHeap(), 0, replacedW );
1898 HeapFree( GetProcessHeap(), 0, replacementW );
1899 SetLastError(ERROR_INVALID_PARAMETER);
1900 return FALSE;
1901 }
1902 }
1903 ret = ReplaceFileW( replacedW, replacementW, backupW, dwReplaceFlags, lpExclude, lpReserved );
1904 HeapFree( GetProcessHeap(), 0, replacedW );
1905 HeapFree( GetProcessHeap(), 0, replacementW );
1906 HeapFree( GetProcessHeap(), 0, backupW );
1907 return ret;
1908 }
1909
1910
1911 /*************************************************************************
1912 * FindFirstFileExW (KERNEL32.@)
1913 *
1914 * NOTE: The FindExSearchLimitToDirectories is ignored - it gives the same
1915 * results as FindExSearchNameMatch
1916 */
1917 HANDLE WINAPI FindFirstFileExW( LPCWSTR filename, FINDEX_INFO_LEVELS level,
1918 LPVOID data, FINDEX_SEARCH_OPS search_op,
1919 LPVOID filter, DWORD flags)
1920 {
1921 WCHAR *mask, *p;
1922 FIND_FIRST_INFO *info = NULL;
1923 UNICODE_STRING nt_name;
1924 OBJECT_ATTRIBUTES attr;
1925 IO_STATUS_BLOCK io;
1926 NTSTATUS status;
1927 DWORD device = 0;
1928
1929 TRACE("%s %d %p %d %p %x\n", debugstr_w(filename), level, data, search_op, filter, flags);
1930
1931 if (flags != 0)
1932 {
1933 FIXME("flags not implemented 0x%08x\n", flags );
1934 }
1935 if (search_op != FindExSearchNameMatch && search_op != FindExSearchLimitToDirectories)
1936 {
1937 FIXME("search_op not implemented 0x%08x\n", search_op);
1938 SetLastError( ERROR_INVALID_PARAMETER );
1939 return INVALID_HANDLE_VALUE;
1940 }
1941 if (level != FindExInfoStandard && level != FindExInfoBasic)
1942 {
1943 FIXME("info level %d not implemented\n", level );
1944 SetLastError( ERROR_INVALID_PARAMETER );
1945 return INVALID_HANDLE_VALUE;
1946 }
1947
1948 if (!RtlDosPathNameToNtPathName_U( filename, &nt_name, &mask, NULL ))
1949 {
1950 SetLastError( ERROR_PATH_NOT_FOUND );
1951 return INVALID_HANDLE_VALUE;
1952 }
1953
1954 if (!(info = HeapAlloc( GetProcessHeap(), 0, sizeof(*info))))
1955 {
1956 SetLastError( ERROR_NOT_ENOUGH_MEMORY );
1957 goto error;
1958 }
1959
1960 if (!mask && (device = RtlIsDosDeviceName_U( filename )))
1961 {
1962 static const WCHAR dotW[] = {'.',0};
1963 WCHAR *dir = NULL;
1964
1965 /* we still need to check that the directory can be opened */
1966
1967 if (HIWORD(device))
1968 {
1969 if (!(dir = HeapAlloc( GetProcessHeap(), 0, HIWORD(device) + sizeof(WCHAR) )))
1970 {
1971 SetLastError( ERROR_NOT_ENOUGH_MEMORY );
1972 goto error;
1973 }
1974 memcpy( dir, filename, HIWORD(device) );
1975 dir[HIWORD(device)/sizeof(WCHAR)] = 0;
1976 }
1977 RtlFreeUnicodeString( &nt_name );
1978 if (!RtlDosPathNameToNtPathName_U( dir ? dir : dotW, &nt_name, &mask, NULL ))
1979 {
1980 HeapFree( GetProcessHeap(), 0, dir );
1981 SetLastError( ERROR_PATH_NOT_FOUND );
1982 goto error;
1983 }
1984 HeapFree( GetProcessHeap(), 0, dir );
1985 RtlInitUnicodeString( &info->mask, NULL );
1986 }
1987 else if (!mask || !*mask)
1988 {
1989 SetLastError( ERROR_FILE_NOT_FOUND );
1990 goto error;
1991 }
1992 else
1993 {
1994 if (!RtlCreateUnicodeString( &info->mask, mask ))
1995 {
1996 SetLastError( ERROR_NOT_ENOUGH_MEMORY );
1997 goto error;
1998 }
1999
2000 /* truncate dir name before mask */
2001 *mask = 0;
2002 nt_name.Length = (mask - nt_name.Buffer) * sizeof(WCHAR);
2003 }
2004
2005 /* check if path is the root of the drive */
2006 info->is_root = FALSE;
2007 p = nt_name.Buffer + 4; /* skip \??\ prefix */
2008 if (p[0] && p[1] == ':')
2009 {
2010 p += 2;
2011 while (*p == '\\') p++;
2012 info->is_root = (*p == 0);
2013 }
2014
2015 attr.Length = sizeof(attr);
2016 attr.RootDirectory = 0;
2017 attr.Attributes = OBJ_CASE_INSENSITIVE;
2018 attr.ObjectName = &nt_name;
2019 attr.SecurityDescriptor = NULL;
2020 attr.SecurityQualityOfService = NULL;
2021
2022 status = NtOpenFile( &info->handle, GENERIC_READ, &attr, &io,
2023 FILE_SHARE_READ | FILE_SHARE_WRITE,
2024 FILE_DIRECTORY_FILE | FILE_SYNCHRONOUS_IO_NONALERT );
2025
2026 if (status != STATUS_SUCCESS)
2027 {
2028 RtlFreeUnicodeString( &info->mask );
2029 if (status == STATUS_OBJECT_NAME_NOT_FOUND)
2030 SetLastError( ERROR_PATH_NOT_FOUND );
2031 else
2032 SetLastError( RtlNtStatusToDosError(status) );
2033 goto error;
2034 }
2035
2036 RtlInitializeCriticalSection( &info->cs );
2037 info->cs.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": FIND_FIRST_INFO.cs");
2038 info->path = nt_name;
2039 info->magic = FIND_FIRST_MAGIC;
2040 info->data_pos = 0;
2041 info->data_len = 0;
2042 info->data_size = 0;
2043 info->data = NULL;
2044 info->search_op = search_op;
2045 info->level = level;
2046
2047 if (device)
2048 {
2049 WIN32_FIND_DATAW *wfd = data;
2050
2051 memset( wfd, 0, sizeof(*wfd) );
2052 memcpy( wfd->cFileName, filename + HIWORD(device)/sizeof(WCHAR), LOWORD(device) );
2053 wfd->dwFileAttributes = FILE_ATTRIBUTE_ARCHIVE;
2054 CloseHandle( info->handle );
2055 info->handle = 0;
2056 }
2057 else
2058 {
2059 IO_STATUS_BLOCK io;
2060 BOOL has_wildcard = strpbrkW( info->mask.Buffer, wildcardsW ) != NULL;
2061
2062 info->data_size = has_wildcard ? 8192 : max_entry_size * 2;
2063
2064 while (info->data_size)
2065 {
2066 if (!(info->data = HeapAlloc( GetProcessHeap(), 0, info->data_size )))
2067 {
2068 FindClose( info );
2069 SetLastError( ERROR_NOT_ENOUGH_MEMORY );
2070 return INVALID_HANDLE_VALUE;
2071 }
2072
2073 NtQueryDirectoryFile( info->handle, 0, NULL, NULL, &io, info->data, info->data_size,
2074 FileBothDirectoryInformation, FALSE, &info->mask, TRUE );
2075 if (io.u.Status)
2076 {
2077 FindClose( info );
2078 SetLastError( RtlNtStatusToDosError( io.u.Status ) );
2079 return INVALID_HANDLE_VALUE;
2080 }
2081
2082 if (io.Information < info->data_size - max_entry_size)
2083 {
2084 info->data_size = 0; /* we read everything */
2085 }
2086 else if (info->data_size < 1024 * 1024)
2087 {
2088 HeapFree( GetProcessHeap(), 0, info->data );
2089 info->data_size *= 2;
2090 }
2091 else break;
2092 }
2093
2094 info->data_len = io.Information;
2095 if (!info->data_size && has_wildcard) /* release unused buffer space */
2096 HeapReAlloc( GetProcessHeap(), HEAP_REALLOC_IN_PLACE_ONLY, info->data, info->data_len );
2097
2098 if (!FindNextFileW( info, data ))
2099 {
2100 TRACE( "%s not found\n", debugstr_w(filename) );
2101 FindClose( info );
2102 SetLastError( ERROR_FILE_NOT_FOUND );
2103 return INVALID_HANDLE_VALUE;
2104 }
2105 if (!has_wildcard) /* we can't find two files with the same name */
2106 {
2107 CloseHandle( info->handle );
2108 HeapFree( GetProcessHeap(), 0, info->data );
2109 info->handle = 0;
2110 info->data = NULL;
2111 }
2112 }
2113 return info;
2114
2115 error:
2116 HeapFree( GetProcessHeap(), 0, info );
2117 RtlFreeUnicodeString( &nt_name );
2118 return INVALID_HANDLE_VALUE;
2119 }
2120
2121
2122 /*************************************************************************
2123 * FindNextFileW (KERNEL32.@)
2124 */
2125 BOOL WINAPI FindNextFileW( HANDLE handle, WIN32_FIND_DATAW *data )
2126 {
2127 FIND_FIRST_INFO *info;
2128 FILE_BOTH_DIR_INFORMATION *dir_info;
2129 BOOL ret = FALSE;
2130
2131 TRACE("%p %p\n", handle, data);
2132
2133 if (!handle || handle == INVALID_HANDLE_VALUE)
2134 {
2135 SetLastError( ERROR_INVALID_HANDLE );
2136 return ret;
2137 }
2138 info = handle;
2139 if (info->magic != FIND_FIRST_MAGIC)
2140 {
2141 SetLastError( ERROR_INVALID_HANDLE );
2142 return ret;
2143 }
2144
2145 RtlEnterCriticalSection( &info->cs );
2146
2147 if (!info->handle) SetLastError( ERROR_NO_MORE_FILES );
2148 else for (;;)
2149 {
2150 if (info->data_pos >= info->data_len) /* need to read some more data */
2151 {
2152 IO_STATUS_BLOCK io;
2153
2154 if (info->data_size)
2155 NtQueryDirectoryFile( info->handle, 0, NULL, NULL, &io, info->data, info->data_size,
2156 FileBothDirectoryInformation, FALSE, &info->mask, FALSE );
2157 else
2158 io.u.Status = STATUS_NO_MORE_FILES;
2159
2160 if (io.u.Status)
2161 {
2162 SetLastError( RtlNtStatusToDosError( io.u.Status ) );
2163 if (io.u.Status == STATUS_NO_MORE_FILES)
2164 {
2165 CloseHandle( info->handle );
2166 HeapFree( GetProcessHeap(), 0, info->data );
2167 info->handle = 0;
2168 info->data = NULL;
2169 }
2170 break;
2171 }
2172 info->data_len = io.Information;
2173 info->data_pos = 0;
2174 }
2175
2176 dir_info = (FILE_BOTH_DIR_INFORMATION *)(info->data + info->data_pos);
2177
2178 if (dir_info->NextEntryOffset) info->data_pos += dir_info->NextEntryOffset;
2179 else info->data_pos = info->data_len;
2180
2181 /* don't return '.' and '..' in the root of the drive */
2182 if (info->is_root)
2183 {
2184 if (dir_info->FileNameLength == sizeof(WCHAR) && dir_info->FileName[0] == '.') continue;
2185 if (dir_info->FileNameLength == 2 * sizeof(WCHAR) &&
2186 dir_info->FileName[0] == '.' && dir_info->FileName[1] == '.') continue;
2187 }
2188
2189 /* check for dir symlink */
2190 if ((dir_info->FileAttributes & FILE_ATTRIBUTE_DIRECTORY) &&
2191 (dir_info->FileAttributes & FILE_ATTRIBUTE_REPARSE_POINT) &&
2192 strpbrkW( info->mask.Buffer, wildcardsW ))
2193 {
2194 if (!check_dir_symlink( info, dir_info )) continue;
2195 }
2196
2197 data->dwFileAttributes = dir_info->FileAttributes;
2198 data->ftCreationTime = *(FILETIME *)&dir_info->CreationTime;
2199 data->ftLastAccessTime = *(FILETIME *)&dir_info->LastAccessTime;
2200 data->ftLastWriteTime = *(FILETIME *)&dir_info->LastWriteTime;
2201 data->nFileSizeHigh = dir_info->EndOfFile.QuadPart >> 32;
2202 data->nFileSizeLow = (DWORD)dir_info->EndOfFile.QuadPart;
2203 data->dwReserved0 = 0;
2204 data->dwReserved1 = 0;
2205
2206 memcpy( data->cFileName, dir_info->FileName, dir_info->FileNameLength );
2207 data->cFileName[dir_info->FileNameLength/sizeof(WCHAR)] = 0;
2208
2209 if (info->level != FindExInfoBasic)
2210 {
2211 memcpy( data->cAlternateFileName, dir_info->ShortName, dir_info->ShortNameLength );
2212 data->cAlternateFileName[dir_info->ShortNameLength/sizeof(WCHAR)] = 0;
2213 }
2214 else
2215 data->cAlternateFileName[0] = 0;
2216
2217 TRACE("returning %s (%s)\n",
2218 debugstr_w(data->cFileName), debugstr_w(data->cAlternateFileName) );
2219
2220 ret = TRUE;
2221 break;
2222 }
2223
2224 RtlLeaveCriticalSection( &info->cs );
2225 return ret;
2226 }
2227
2228
2229 /*************************************************************************
2230 * FindClose (KERNEL32.@)
2231 */
2232 BOOL WINAPI FindClose( HANDLE handle )
2233 {
2234 FIND_FIRST_INFO *info = handle;
2235
2236 if (!handle || handle == INVALID_HANDLE_VALUE)
2237 {
2238 SetLastError( ERROR_INVALID_HANDLE );
2239 return FALSE;
2240 }
2241
2242 __TRY
2243 {
2244 if (info->magic == FIND_FIRST_MAGIC)
2245 {
2246 RtlEnterCriticalSection( &info->cs );
2247 if (info->magic == FIND_FIRST_MAGIC) /* in case someone else freed it in the meantime */
2248 {
2249 info->magic = 0;
2250 if (info->handle) CloseHandle( info->handle );
2251 info->handle = 0;
2252 RtlFreeUnicodeString( &info->mask );
2253 info->mask.Buffer = NULL;
2254 RtlFreeUnicodeString( &info->path );
2255 info->data_pos = 0;
2256 info->data_len = 0;
2257 HeapFree( GetProcessHeap(), 0, info->data );
2258 RtlLeaveCriticalSection( &info->cs );
2259 info->cs.DebugInfo->Spare[0] = 0;
2260 RtlDeleteCriticalSection( &info->cs );
2261 HeapFree( GetProcessHeap(), 0, info );
2262 }
2263 }
2264 }
2265 __EXCEPT_PAGE_FAULT
2266 {
2267 WARN("Illegal handle %p\n", handle);
2268 SetLastError( ERROR_INVALID_HANDLE );
2269 return FALSE;
2270 }
2271 __ENDTRY
2272
2273 return TRUE;
2274 }
2275
2276
2277 /*************************************************************************
2278 * FindFirstFileA (KERNEL32.@)
2279 */
2280 HANDLE WINAPI FindFirstFileA( LPCSTR lpFileName, WIN32_FIND_DATAA *lpFindData )
2281 {
2282 return FindFirstFileExA(lpFileName, FindExInfoStandard, lpFindData,
2283 FindExSearchNameMatch, NULL, 0);
2284 }
2285
2286 /*************************************************************************
2287 * FindFirstFileExA (KERNEL32.@)
2288 */
2289 HANDLE WINAPI FindFirstFileExA( LPCSTR lpFileName, FINDEX_INFO_LEVELS fInfoLevelId,
2290 LPVOID lpFindFileData, FINDEX_SEARCH_OPS fSearchOp,
2291 LPVOID lpSearchFilter, DWORD dwAdditionalFlags)
2292 {
2293 HANDLE handle;
2294 WIN32_FIND_DATAA *dataA;
2295 WIN32_FIND_DATAW dataW;
2296 WCHAR *nameW;
2297
2298 if (!(nameW = FILE_name_AtoW( lpFileName, FALSE ))) return INVALID_HANDLE_VALUE;
2299
2300 handle = FindFirstFileExW(nameW, fInfoLevelId, &dataW, fSearchOp, lpSearchFilter, dwAdditionalFlags);
2301 if (handle == INVALID_HANDLE_VALUE) return handle;
2302
2303 dataA = lpFindFileData;
2304 dataA->dwFileAttributes = dataW.dwFileAttributes;
2305 dataA->ftCreationTime = dataW.ftCreationTime;
2306 dataA->ftLastAccessTime = dataW.ftLastAccessTime;
2307 dataA->ftLastWriteTime = dataW.ftLastWriteTime;
2308 dataA->nFileSizeHigh = dataW.nFileSizeHigh;
2309 dataA->nFileSizeLow = dataW.nFileSizeLow;
2310 FILE_name_WtoA( dataW.cFileName, -1, dataA->cFileName, sizeof(dataA->cFileName) );
2311 FILE_name_WtoA( dataW.cAlternateFileName, -1, dataA->cAlternateFileName,
2312 sizeof(dataA->cAlternateFileName) );
2313 return handle;
2314 }
2315
2316
2317 /*************************************************************************
2318 * FindFirstFileW (KERNEL32.@)
2319 */
2320 HANDLE WINAPI FindFirstFileW( LPCWSTR lpFileName, WIN32_FIND_DATAW *lpFindData )
2321 {
2322 return FindFirstFileExW(lpFileName, FindExInfoStandard, lpFindData,
2323 FindExSearchNameMatch, NULL, 0);
2324 }
2325
2326
2327 /*************************************************************************
2328 * FindNextFileA (KERNEL32.@)
2329 */
2330 BOOL WINAPI FindNextFileA( HANDLE handle, WIN32_FIND_DATAA *data )
2331 {
2332 WIN32_FIND_DATAW dataW;
2333
2334 if (!FindNextFileW( handle, &dataW )) return FALSE;
2335 data->dwFileAttributes = dataW.dwFileAttributes;
2336 data->ftCreationTime = dataW.ftCreationTime;
2337 data->ftLastAccessTime = dataW.ftLastAccessTime;
2338 data->ftLastWriteTime = dataW.ftLastWriteTime;
2339 data->nFileSizeHigh = dataW.nFileSizeHigh;
2340 data->nFileSizeLow = dataW.nFileSizeLow;
2341 FILE_name_WtoA( dataW.cFileName, -1, data->cFileName, sizeof(data->cFileName) );
2342 FILE_name_WtoA( dataW.cAlternateFileName, -1, data->cAlternateFileName,
2343 sizeof(data->cAlternateFileName) );
2344 return TRUE;
2345 }
2346
2347
2348 /**************************************************************************
2349 * GetFileAttributesW (KERNEL32.@)
2350 */
2351 DWORD WINAPI GetFileAttributesW( LPCWSTR name )
2352 {
2353 FILE_BASIC_INFORMATION info;
2354 UNICODE_STRING nt_name;
2355 OBJECT_ATTRIBUTES attr;
2356 NTSTATUS status;
2357
2358 TRACE("%s\n", debugstr_w(name));
2359
2360 if (!RtlDosPathNameToNtPathName_U( name, &nt_name, NULL, NULL ))
2361 {
2362 SetLastError( ERROR_PATH_NOT_FOUND );
2363 return INVALID_FILE_ATTRIBUTES;
2364 }
2365
2366 attr.Length = sizeof(attr);
2367 attr.RootDirectory = 0;
2368 attr.Attributes = OBJ_CASE_INSENSITIVE;
2369 attr.ObjectName = &nt_name;
2370 attr.SecurityDescriptor = NULL;
2371 attr.SecurityQualityOfService = NULL;
2372
2373 status = NtQueryAttributesFile( &attr, &info );
2374 RtlFreeUnicodeString( &nt_name );
2375
2376 if (status == STATUS_SUCCESS) return info.FileAttributes;
2377
2378 /* NtQueryAttributesFile fails on devices, but GetFileAttributesW succeeds */
2379 if (RtlIsDosDeviceName_U( name )) return FILE_ATTRIBUTE_ARCHIVE;
2380
2381 SetLastError( RtlNtStatusToDosError(status) );
2382 return INVALID_FILE_ATTRIBUTES;
2383 }
2384
2385
2386 /**************************************************************************
2387 * GetFileAttributesA (KERNEL32.@)
2388 */
2389 DWORD WINAPI GetFileAttributesA( LPCSTR name )
2390 {
2391 WCHAR *nameW;
2392
2393 if (!(nameW = FILE_name_AtoW( name, FALSE ))) return INVALID_FILE_ATTRIBUTES;
2394 return GetFileAttributesW( nameW );
2395 }
2396
2397
2398 /**************************************************************************
2399 * SetFileAttributesW (KERNEL32.@)
2400 */
2401 BOOL WINAPI SetFileAttributesW( LPCWSTR name, DWORD attributes )
2402 {
2403 UNICODE_STRING nt_name;
2404 OBJECT_ATTRIBUTES attr;
2405 IO_STATUS_BLOCK io;
2406 NTSTATUS status;
2407 HANDLE handle;
2408
2409 TRACE("%s %x\n", debugstr_w(name), attributes);
2410
2411 if (!RtlDosPathNameToNtPathName_U( name, &nt_name, NULL, NULL ))
2412 {
2413 SetLastError( ERROR_PATH_NOT_FOUND );
2414 return FALSE;
2415 }
2416
2417 attr.Length = sizeof(attr);
2418 attr.RootDirectory = 0;
2419 attr.Attributes = OBJ_CASE_INSENSITIVE;
2420 attr.ObjectName = &nt_name;
2421 attr.SecurityDescriptor = NULL;
2422 attr.SecurityQualityOfService = NULL;
2423
2424 status = NtOpenFile( &handle, 0, &attr, &io, 0, FILE_SYNCHRONOUS_IO_NONALERT );
2425 RtlFreeUnicodeString( &nt_name );
2426
2427 if (status == STATUS_SUCCESS)
2428 {
2429 FILE_BASIC_INFORMATION info;
2430
2431 memset( &info, 0, sizeof(info) );
2432 info.FileAttributes = attributes | FILE_ATTRIBUTE_NORMAL; /* make sure it's not zero */
2433 status = NtSetInformationFile( handle, &io, &info, sizeof(info), FileBasicInformation );
2434 NtClose( handle );
2435 }
2436
2437 if (status == STATUS_SUCCESS) return TRUE;
2438 SetLastError( RtlNtStatusToDosError(status) );
2439 return FALSE;
2440 }
2441
2442
2443 /**************************************************************************
2444 * SetFileAttributesA (KERNEL32.@)
2445 */
2446 BOOL WINAPI SetFileAttributesA( LPCSTR name, DWORD attributes )
2447 {
2448 WCHAR *nameW;
2449
2450 if (!(nameW = FILE_name_AtoW( name, FALSE ))) return FALSE;
2451 return SetFileAttributesW( nameW, attributes );
2452 }
2453
2454
2455 /**************************************************************************
2456 * GetFileAttributesExW (KERNEL32.@)
2457 */
2458 BOOL WINAPI GetFileAttributesExW( LPCWSTR name, GET_FILEEX_INFO_LEVELS level, LPVOID ptr )
2459 {
2460 FILE_NETWORK_OPEN_INFORMATION info;
2461 WIN32_FILE_ATTRIBUTE_DATA *data = ptr;
2462 UNICODE_STRING nt_name;
2463 OBJECT_ATTRIBUTES attr;
2464 NTSTATUS status;
2465
2466 TRACE("%s %d %p\n", debugstr_w(name), level, ptr);
2467
2468 if (level != GetFileExInfoStandard)
2469 {
2470 SetLastError( ERROR_INVALID_PARAMETER );
2471 return FALSE;
2472 }
2473
2474 if (!RtlDosPathNameToNtPathName_U( name, &nt_name, NULL, NULL ))
2475 {
2476 SetLastError( ERROR_PATH_NOT_FOUND );
2477 return FALSE;
2478 }
2479
2480 attr.Length = sizeof(attr);
2481 attr.RootDirectory = 0;
2482 attr.Attributes = OBJ_CASE_INSENSITIVE;
2483 attr.ObjectName = &nt_name;
2484 attr.SecurityDescriptor = NULL;
2485 attr.SecurityQualityOfService = NULL;
2486
2487 status = NtQueryFullAttributesFile( &attr, &info );
2488 RtlFreeUnicodeString( &nt_name );
2489
2490 if (status != STATUS_SUCCESS)
2491 {
2492 SetLastError( RtlNtStatusToDosError(status) );
2493 return FALSE;
2494 }
2495
2496 data->dwFileAttributes = info.FileAttributes;
2497 data->ftCreationTime.dwLowDateTime = info.CreationTime.u.LowPart;
2498 data->ftCreationTime.dwHighDateTime = info.CreationTime.u.HighPart;
2499 data->ftLastAccessTime.dwLowDateTime = info.LastAccessTime.u.LowPart;
2500 data->ftLastAccessTime.dwHighDateTime = info.LastAccessTime.u.HighPart;
2501 data->ftLastWriteTime.dwLowDateTime = info.LastWriteTime.u.LowPart;
2502 data->ftLastWriteTime.dwHighDateTime = info.LastWriteTime.u.HighPart;
2503 data->nFileSizeLow = info.EndOfFile.u.LowPart;
2504 data->nFileSizeHigh = info.EndOfFile.u.HighPart;
2505 return TRUE;
2506 }
2507
2508
2509 /**************************************************************************
2510 * GetFileAttributesExA (KERNEL32.@)
2511 */
2512 BOOL WINAPI GetFileAttributesExA( LPCSTR name, GET_FILEEX_INFO_LEVELS level, LPVOID ptr )
2513 {
2514 WCHAR *nameW;
2515
2516 if (!(nameW = FILE_name_AtoW( name, FALSE ))) return FALSE;
2517 return GetFileAttributesExW( nameW, level, ptr );
2518 }
2519
2520
2521 /******************************************************************************
2522 * GetCompressedFileSizeW (KERNEL32.@)
2523 *
2524 * Get the actual number of bytes used on disk.
2525 *
2526 * RETURNS
2527 * Success: Low-order doubleword of number of bytes
2528 * Failure: INVALID_FILE_SIZE
2529 */
2530 DWORD WINAPI GetCompressedFileSizeW(
2531 LPCWSTR name, /* [in] Pointer to name of file */
2532 LPDWORD size_high ) /* [out] Receives high-order doubleword of size */
2533 {
2534 UNICODE_STRING nt_name;
2535 OBJECT_ATTRIBUTES attr;
2536 IO_STATUS_BLOCK io;
2537 NTSTATUS status;
2538 HANDLE handle;
2539 DWORD ret = INVALID_FILE_SIZE;
2540
2541 TRACE("%s %p\n", debugstr_w(name), size_high);
2542
2543 if (!RtlDosPathNameToNtPathName_U( name, &nt_name, NULL, NULL ))
2544 {
2545 SetLastError( ERROR_PATH_NOT_FOUND );
2546 return INVALID_FILE_SIZE;
2547 }
2548
2549 attr.Length = sizeof(attr);
2550 attr.RootDirectory = 0;
2551 attr.Attributes = OBJ_CASE_INSENSITIVE;
2552 attr.ObjectName = &nt_name;
2553 attr.SecurityDescriptor = NULL;
2554 attr.SecurityQualityOfService = NULL;
2555
2556 status = NtOpenFile( &handle, 0, &attr, &io, 0, FILE_SYNCHRONOUS_IO_NONALERT );
2557 RtlFreeUnicodeString( &nt_name );
2558
2559 if (status == STATUS_SUCCESS)
2560 {
2561 /* we don't support compressed files, simply return the file size */
2562 ret = GetFileSize( handle, size_high );
2563 NtClose( handle );
2564 }
2565 else SetLastError( RtlNtStatusToDosError(status) );
2566
2567 return ret;
2568 }
2569
2570
2571 /******************************************************************************
2572 * GetCompressedFileSizeA (KERNEL32.@)
2573 *
2574 * See GetCompressedFileSizeW.
2575 */
2576 DWORD WINAPI GetCompressedFileSizeA( LPCSTR name, LPDWORD size_high )
2577 {
2578 WCHAR *nameW;
2579
2580 if (!(nameW = FILE_name_AtoW( name, FALSE ))) return INVALID_FILE_SIZE;
2581 return GetCompressedFileSizeW( nameW, size_high );
2582 }
2583
2584
2585 /***********************************************************************
2586 * OpenVxDHandle (KERNEL32.@)
2587 *
2588 * This function is supposed to return the corresponding Ring 0
2589 * ("kernel") handle for a Ring 3 handle in Win9x.
2590 * Evidently, Wine will have problems with this. But we try anyway,
2591 * maybe it helps...
2592 */
2593 HANDLE WINAPI OpenVxDHandle(HANDLE hHandleRing3)
2594 {
2595 FIXME( "(%p), stub! (returning Ring 3 handle instead of Ring 0)\n", hHandleRing3);
2596 return hHandleRing3;
2597 }
2598
2599
2600 /****************************************************************************
2601 * DeviceIoControl (KERNEL32.@)
2602 */
2603 BOOL WINAPI DeviceIoControl(HANDLE hDevice, DWORD dwIoControlCode,
2604 LPVOID lpvInBuffer, DWORD cbInBuffer,
2605 LPVOID lpvOutBuffer, DWORD cbOutBuffer,
2606 LPDWORD lpcbBytesReturned,
2607 LPOVERLAPPED lpOverlapped)
2608 {
2609 NTSTATUS status;
2610
2611 TRACE( "(%p,%x,%p,%d,%p,%d,%p,%p)\n",
2612 hDevice,dwIoControlCode,lpvInBuffer,cbInBuffer,
2613 lpvOutBuffer,cbOutBuffer,lpcbBytesReturned,lpOverlapped );
2614
2615 /* Check if this is a user defined control code for a VxD */
2616
2617 if (HIWORD( dwIoControlCode ) == 0 && (GetVersion() & 0x80000000))
2618 {
2619 typedef BOOL (WINAPI *DeviceIoProc)(DWORD, LPVOID, DWORD, LPVOID, DWORD, LPDWORD, LPOVERLAPPED);
2620 static DeviceIoProc (*vxd_get_proc)(HANDLE);
2621 DeviceIoProc proc = NULL;
2622
2623 if (!vxd_get_proc) vxd_get_proc = (void *)GetProcAddress( GetModuleHandleA("krnl386.exe16"),
2624 "__wine_vxd_get_proc" );
2625 if (vxd_get_proc) proc = vxd_get_proc( hDevice );
2626 if (proc) return proc( dwIoControlCode, lpvInBuffer, cbInBuffer,
2627 lpvOutBuffer, cbOutBuffer, lpcbBytesReturned, lpOverlapped );
2628 }
2629
2630 /* Not a VxD, let ntdll handle it */
2631
2632 if (lpOverlapped)
2633 {
2634 LPVOID cvalue = ((ULONG_PTR)lpOverlapped->hEvent & 1) ? NULL : lpOverlapped;
2635 lpOverlapped->Internal = STATUS_PENDING;
2636 lpOverlapped->InternalHigh = 0;
2637 if (HIWORD(dwIoControlCode) == FILE_DEVICE_FILE_SYSTEM)
2638 status = NtFsControlFile(hDevice, lpOverlapped->hEvent,
2639 NULL, cvalue, (PIO_STATUS_BLOCK)lpOverlapped,
2640 dwIoControlCode, lpvInBuffer, cbInBuffer,
2641 lpvOutBuffer, cbOutBuffer);
2642 else
2643 status = NtDeviceIoControlFile(hDevice, lpOverlapped->hEvent,
2644 NULL, cvalue, (PIO_STATUS_BLOCK)lpOverlapped,
2645 dwIoControlCode, lpvInBuffer, cbInBuffer,
2646 lpvOutBuffer, cbOutBuffer);
2647 if (lpcbBytesReturned) *lpcbBytesReturned = lpOverlapped->InternalHigh;
2648 }
2649 else
2650 {
2651 IO_STATUS_BLOCK iosb;
2652
2653 if (HIWORD(dwIoControlCode) == FILE_DEVICE_FILE_SYSTEM)
2654 status = NtFsControlFile(hDevice, NULL, NULL, NULL, &iosb,
2655 dwIoControlCode, lpvInBuffer, cbInBuffer,
2656 lpvOutBuffer, cbOutBuffer);
2657 else
2658 status = NtDeviceIoControlFile(hDevice, NULL, NULL, NULL, &iosb,
2659 dwIoControlCode, lpvInBuffer, cbInBuffer,
2660 lpvOutBuffer, cbOutBuffer);
2661 if (lpcbBytesReturned) *lpcbBytesReturned = iosb.Information;
2662 }
2663 if (status) SetLastError( RtlNtStatusToDosError(status) );
2664 return !status;
2665 }
2666
2667
2668 /***********************************************************************
2669 * OpenFile (KERNEL32.@)
2670 */
2671 HFILE WINAPI OpenFile( LPCSTR name, OFSTRUCT *ofs, UINT mode )
2672 {
2673 HANDLE handle;
2674 FILETIME filetime;
2675 WORD filedatetime[2];
2676
2677 if (!ofs) return HFILE_ERROR;
2678
2679 TRACE("%s %s %s %s%s%s%s%s%s%s%s%s\n",name,
2680 ((mode & 0x3 )==OF_READ)?"OF_READ":
2681 ((mode & 0x3 )==OF_WRITE)?"OF_WRITE":
2682 ((mode & 0x3 )==OF_READWRITE)?"OF_READWRITE":"unknown",
2683 ((mode & 0x70 )==OF_SHARE_COMPAT)?"OF_SHARE_COMPAT":
2684 ((mode & 0x70 )==OF_SHARE_DENY_NONE)?"OF_SHARE_DENY_NONE":
2685 ((mode & 0x70 )==OF_SHARE_DENY_READ)?"OF_SHARE_DENY_READ":
2686 ((mode & 0x70 )==OF_SHARE_DENY_WRITE)?"OF_SHARE_DENY_WRITE":
2687 ((mode & 0x70 )==OF_SHARE_EXCLUSIVE)?"OF_SHARE_EXCLUSIVE":"unknown",
2688 ((mode & OF_PARSE )==OF_PARSE)?"OF_PARSE ":"",
2689 ((mode & OF_DELETE )==OF_DELETE)?"OF_DELETE ":"",
2690 ((mode & OF_VERIFY )==OF_VERIFY)?"OF_VERIFY ":"",
2691 ((mode & OF_SEARCH )==OF_SEARCH)?"OF_SEARCH ":"",
2692 ((mode & OF_CANCEL )==OF_CANCEL)?"OF_CANCEL ":"",
2693 ((mode & OF_CREATE )==OF_CREATE)?"OF_CREATE ":"",
2694 ((mode & OF_PROMPT )==OF_PROMPT)?"OF_PROMPT ":"",
2695 ((mode & OF_EXIST )==OF_EXIST)?"OF_EXIST ":"",
2696 ((mode & OF_REOPEN )==OF_REOPEN)?"OF_REOPEN ":""
2697 );
2698
2699
2700 ofs->cBytes = sizeof(OFSTRUCT);
2701 ofs->nErrCode = 0;
2702 if (mode & OF_REOPEN) name = ofs->szPathName;
2703
2704 if (!name) return HFILE_ERROR;
2705
2706 TRACE("%s %04x\n", name, mode );
2707
2708 /* the watcom 10.6 IDE relies on a valid path returned in ofs->szPathName
2709 Are there any cases where getting the path here is wrong?
2710 Uwe Bonnes 1997 Apr 2 */
2711 if (!GetFullPathNameA( name, sizeof(ofs->szPathName), ofs->szPathName, NULL )) goto error;
2712
2713 /* OF_PARSE simply fills the structure */
2714
2715 if (mode & OF_PARSE)
2716 {
2717 ofs->fFixedDisk = (GetDriveTypeA( ofs->szPathName ) != DRIVE_REMOVABLE);
2718 TRACE("(%s): OF_PARSE, res = '%s'\n", name, ofs->szPathName );
2719 return 0;
2720 }
2721
2722 /* OF_CREATE is completely different from all other options, so
2723 handle it first */
2724
2725 if (mode & OF_CREATE)
2726 {
2727 if ((handle = create_file_OF( name, mode )) == INVALID_HANDLE_VALUE)
2728 goto error;
2729 }
2730 else
2731 {
2732 /* Now look for the file */
2733
2734 if (!SearchPathA( NULL, name, NULL, sizeof(ofs->szPathName), ofs->szPathName, NULL ))
2735 goto error;
2736
2737 TRACE("found %s\n", debugstr_a(ofs->szPathName) );
2738
2739 if (mode & OF_DELETE)
2740 {
2741 if (!DeleteFileA( ofs->szPathName )) goto error;
2742 TRACE("(%s): OF_DELETE return = OK\n", name);
2743 return TRUE;
2744 }
2745
2746 handle = LongToHandle(_lopen( ofs->szPathName, mode ));
2747 if (handle == INVALID_HANDLE_VALUE) goto error;
2748
2749 GetFileTime( handle, NULL, NULL, &filetime );
2750 FileTimeToDosDateTime( &filetime, &filedatetime[0], &filedatetime[1] );
2751 if ((mode & OF_VERIFY) && (mode & OF_REOPEN))
2752 {
2753 if (ofs->Reserved1 != filedatetime[0] || ofs->Reserved2 != filedatetime[1] )
2754 {
2755 CloseHandle( handle );
2756 WARN("(%s): OF_VERIFY failed\n", name );
2757 /* FIXME: what error here? */
2758 SetLastError( ERROR_FILE_NOT_FOUND );
2759 goto error;
2760 }
2761 }
2762 ofs->Reserved1 = filedatetime[0];
2763 ofs->Reserved2 = filedatetime[1];
2764 }
2765 TRACE("(%s): OK, return = %p\n", name, handle );
2766 if (mode & OF_EXIST) /* Return TRUE instead of a handle */
2767 {
2768 CloseHandle( handle );
2769 return TRUE;
2770 }
2771 return HandleToLong(handle);
2772
2773 error: /* We get here if there was an error opening the file */
2774 ofs->nErrCode = GetLastError();
2775 WARN("(%s): return = HFILE_ERROR error= %d\n", name,ofs->nErrCode );
2776 return HFILE_ERROR;
2777 }
2778
2779
2780 /***********************************************************************
2781 * OpenFileById (KERNEL32.@)
2782 */
2783 HANDLE WINAPI OpenFileById( HANDLE handle, LPFILE_ID_DESCRIPTOR id, DWORD access,
2784 DWORD share, LPSECURITY_ATTRIBUTES sec_attr, DWORD flags )
2785 {
2786 UINT options;
2787 HANDLE result;
2788 OBJECT_ATTRIBUTES attr;
2789 NTSTATUS status;
2790 IO_STATUS_BLOCK io;
2791 UNICODE_STRING objectName;
2792
2793 if (!id)
2794 {
2795 SetLastError( ERROR_INVALID_PARAMETER );
2796 return INVALID_HANDLE_VALUE;
2797 }
2798
2799 options = FILE_OPEN_BY_FILE_ID;
2800 if (flags & FILE_FLAG_BACKUP_SEMANTICS)
2801 options |= FILE_OPEN_FOR_BACKUP_INTENT;
2802 else
2803 options |= FILE_NON_DIRECTORY_FILE;
2804 if (flags & FILE_FLAG_NO_BUFFERING) options |= FILE_NO_INTERMEDIATE_BUFFERING;
2805 if (!(flags & FILE_FLAG_OVERLAPPED)) options |= FILE_SYNCHRONOUS_IO_NONALERT;
2806 if (flags & FILE_FLAG_RANDOM_ACCESS) options |= FILE_RANDOM_ACCESS;
2807 flags &= FILE_ATTRIBUTE_VALID_FLAGS;
2808
2809 objectName.Length = sizeof(ULONGLONG);
2810 objectName.Buffer = (WCHAR *)&id->u.FileId;
2811 attr.Length = sizeof(attr);
2812 attr.RootDirectory = handle;
2813 attr.Attributes = 0;
2814 attr.ObjectName = &objectName;
2815 attr.SecurityDescriptor = sec_attr ? sec_attr->lpSecurityDescriptor : NULL;
2816 attr.SecurityQualityOfService = NULL;
2817 if (sec_attr && sec_attr->bInheritHandle) attr.Attributes |= OBJ_INHERIT;
2818
2819 status = NtCreateFile( &result, access, &attr, &io, NULL, flags,
2820 share, OPEN_EXISTING, options, NULL, 0 );
2821 if (status != STATUS_SUCCESS)
2822 {
2823 SetLastError( RtlNtStatusToDosError( status ) );
2824 return INVALID_HANDLE_VALUE;
2825 }
2826 return result;
2827 }
2828
2829
2830 /***********************************************************************
2831 * K32EnumDeviceDrivers (KERNEL32.@)
2832 */
2833 BOOL WINAPI K32EnumDeviceDrivers(void **image_base, DWORD cb, DWORD *needed)
2834 {
2835 FIXME("(%p, %d, %p): stub\n", image_base, cb, needed);
2836
2837 if (needed)
2838 *needed = 0;
2839
2840 return TRUE;
2841 }
2842
2843 /***********************************************************************
2844 * K32GetDeviceDriverBaseNameA (KERNEL32.@)
2845 */
2846 DWORD WINAPI K32GetDeviceDriverBaseNameA(void *image_base, LPSTR base_name, DWORD size)
2847 {
2848 FIXME("(%p, %p, %d): stub\n", image_base, base_name, size);
2849
2850 if (base_name && size)
2851 base_name[0] = '\0';
2852
2853 return 0;
2854 }
2855
2856 /***********************************************************************
2857 * K32GetDeviceDriverBaseNameW (KERNEL32.@)
2858 */
2859 DWORD WINAPI K32GetDeviceDriverBaseNameW(void *image_base, LPWSTR base_name, DWORD size)
2860 {
2861 FIXME("(%p, %p, %d): stub\n", image_base, base_name, size);
2862
2863 if (base_name && size)
2864 base_name[0] = '\0';
2865
2866 return 0;
2867 }
2868
2869 /***********************************************************************
2870 * K32GetDeviceDriverFileNameA (KERNEL32.@)
2871 */
2872 DWORD WINAPI K32GetDeviceDriverFileNameA(void *image_base, LPSTR file_name, DWORD size)
2873 {
2874 FIXME("(%p, %p, %d): stub\n", image_base, file_name, size);
2875
2876 if (file_name && size)
2877 file_name[0] = '\0';
2878
2879 return 0;
2880 }
2881
2882 /***********************************************************************
2883 * K32GetDeviceDriverFileNameW (KERNEL32.@)
2884 */
2885 DWORD WINAPI K32GetDeviceDriverFileNameW(void *image_base, LPWSTR file_name, DWORD size)
2886 {
2887 FIXME("(%p, %p, %d): stub\n", image_base, file_name, size);
2888
2889 if (file_name && size)
2890 file_name[0] = '\0';
2891
2892 return 0;
2893 }
Windows API implementation