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comctl32: Use SetRect() instead of open coding it.
[wine.git] / dlls / kernel32 / file.c
blob56bdb5278aa96c6f7945208d5119c59d60a20dfa
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
629 status = lpOverlapped->Internal;
630 if (status == STATUS_PENDING) status = STATUS_SUCCESS;
631 }
632
633 *lpTransferred = lpOverlapped->InternalHigh;
634
635 if (status) SetLastError( RtlNtStatusToDosError(status) );
636 return !status;
637 }
638
639 /***********************************************************************
640 * CancelIoEx (KERNEL32.@)
641 *
642 * Cancels pending I/O operations on a file given the overlapped used.
643 *
644 * PARAMS
645 * handle [I] File handle.
646 * lpOverlapped [I,OPT] pointer to overlapped (if null, cancel all)
647 *
648 * RETURNS
649 * Success: TRUE.
650 * Failure: FALSE, check GetLastError().
651 */
652 BOOL WINAPI CancelIoEx(HANDLE handle, LPOVERLAPPED lpOverlapped)
653 {
654 IO_STATUS_BLOCK io_status;
655
656 NtCancelIoFileEx(handle, (PIO_STATUS_BLOCK) lpOverlapped, &io_status);
657 if (io_status.u.Status)
658 {
659 SetLastError( RtlNtStatusToDosError( io_status.u.Status ) );
660 return FALSE;
661 }
662 return TRUE;
663 }
664
665 /***********************************************************************
666 * CancelIo (KERNEL32.@)
667 *
668 * Cancels pending I/O operations initiated by the current thread on a file.
669 *
670 * PARAMS
671 * handle [I] File handle.
672 *
673 * RETURNS
674 * Success: TRUE.
675 * Failure: FALSE, check GetLastError().
676 */
677 BOOL WINAPI CancelIo(HANDLE handle)
678 {
679 IO_STATUS_BLOCK io_status;
680
681 NtCancelIoFile(handle, &io_status);
682 if (io_status.u.Status)
683 {
684 SetLastError( RtlNtStatusToDosError( io_status.u.Status ) );
685 return FALSE;
686 }
687 return TRUE;
688 }
689
690 /***********************************************************************
691 * CancelSynchronousIo (KERNEL32.@)
692 *
693 * Marks pending synchronous I/O operations issued by the specified thread as cancelled
694 *
695 * PARAMS
696 * handle [I] handle to the thread whose I/O operations should be cancelled
697 *
698 * RETURNS
699 * Success: TRUE.
700 * Failure: FALSE, check GetLastError().
701 */
702 BOOL WINAPI CancelSynchronousIo(HANDLE thread)
703 {
704 FIXME("(%p): stub\n", thread);
705 SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
706 return FALSE;
707 }
708
709 /***********************************************************************
710 * _hread (KERNEL32.@)
711 */
712 LONG WINAPI _hread( HFILE hFile, LPVOID buffer, LONG count)
713 {
714 return _lread( hFile, buffer, count );
715 }
716
717
718 /***********************************************************************
719 * _hwrite (KERNEL32.@)
720 *
721 * experimentation yields that _lwrite:
722 * o truncates the file at the current position with
723 * a 0 len write
724 * o returns 0 on a 0 length write
725 * o works with console handles
726 *
727 */
728 LONG WINAPI _hwrite( HFILE handle, LPCSTR buffer, LONG count )
729 {
730 DWORD result;
731
732 TRACE("%d %p %d\n", handle, buffer, count );
733
734 if (!count)
735 {
736 /* Expand or truncate at current position */
737 if (!SetEndOfFile( LongToHandle(handle) )) return HFILE_ERROR;
738 return 0;
739 }
740 if (!WriteFile( LongToHandle(handle), buffer, count, &result, NULL ))
741 return HFILE_ERROR;
742 return result;
743 }
744
745
746 /***********************************************************************
747 * _lclose (KERNEL32.@)
748 */
749 HFILE WINAPI _lclose( HFILE hFile )
750 {
751 TRACE("handle %d\n", hFile );
752 return CloseHandle( LongToHandle(hFile) ) ? 0 : HFILE_ERROR;
753 }
754
755
756 /***********************************************************************
757 * _lcreat (KERNEL32.@)
758 */
759 HFILE WINAPI _lcreat( LPCSTR path, INT attr )
760 {
761 HANDLE hfile;
762
763 /* Mask off all flags not explicitly allowed by the doc */
764 attr &= FILE_ATTRIBUTE_READONLY | FILE_ATTRIBUTE_HIDDEN | FILE_ATTRIBUTE_SYSTEM;
765 TRACE("%s %02x\n", path, attr );
766 hfile = CreateFileA( path, GENERIC_READ | GENERIC_WRITE,
767 FILE_SHARE_READ | FILE_SHARE_WRITE, NULL,
768 CREATE_ALWAYS, attr, 0 );
769 return HandleToLong(hfile);
770 }
771
772
773 /***********************************************************************
774 * _lopen (KERNEL32.@)
775 */
776 HFILE WINAPI _lopen( LPCSTR path, INT mode )
777 {
778 HANDLE hfile;
779
780 TRACE("(%s,%04x)\n", debugstr_a(path), mode );
781 hfile = create_file_OF( path, mode & ~OF_CREATE );
782 return HandleToLong(hfile);
783 }
784
785 /***********************************************************************
786 * _lread (KERNEL32.@)
787 */
788 UINT WINAPI _lread( HFILE handle, LPVOID buffer, UINT count )
789 {
790 DWORD result;
791 if (!ReadFile( LongToHandle(handle), buffer, count, &result, NULL ))
792 return HFILE_ERROR;
793 return result;
794 }
795
796
797 /***********************************************************************
798 * _llseek (KERNEL32.@)
799 */
800 LONG WINAPI _llseek( HFILE hFile, LONG lOffset, INT nOrigin )
801 {
802 return SetFilePointer( LongToHandle(hFile), lOffset, NULL, nOrigin );
803 }
804
805
806 /***********************************************************************
807 * _lwrite (KERNEL32.@)
808 */
809 UINT WINAPI _lwrite( HFILE hFile, LPCSTR buffer, UINT count )
810 {
811 return (UINT)_hwrite( hFile, buffer, (LONG)count );
812 }
813
814
815 /***********************************************************************
816 * FlushFileBuffers (KERNEL32.@)
817 */
818 BOOL WINAPI FlushFileBuffers( HANDLE hFile )
819 {
820 NTSTATUS nts;
821 IO_STATUS_BLOCK ioblk;
822
823 if (is_console_handle( hFile ))
824 {
825 /* this will fail (as expected) for an output handle */
826 return FlushConsoleInputBuffer( hFile );
827 }
828 nts = NtFlushBuffersFile( hFile, &ioblk );
829 if (nts != STATUS_SUCCESS)
830 {
831 SetLastError( RtlNtStatusToDosError( nts ) );
832 return FALSE;
833 }
834
835 return TRUE;
836 }
837
838
839 /***********************************************************************
840 * GetFileType (KERNEL32.@)
841 */
842 DWORD WINAPI GetFileType( HANDLE hFile )
843 {
844 FILE_FS_DEVICE_INFORMATION info;
845 IO_STATUS_BLOCK io;
846 NTSTATUS status;
847
848 if (hFile == (HANDLE)STD_INPUT_HANDLE || hFile == (HANDLE)STD_OUTPUT_HANDLE
849 || hFile == (HANDLE)STD_ERROR_HANDLE)
850 hFile = GetStdHandle((DWORD_PTR)hFile);
851
852 if (is_console_handle( hFile )) return FILE_TYPE_CHAR;
853
854 status = NtQueryVolumeInformationFile( hFile, &io, &info, sizeof(info), FileFsDeviceInformation );
855 if (status != STATUS_SUCCESS)
856 {
857 SetLastError( RtlNtStatusToDosError(status) );
858 return FILE_TYPE_UNKNOWN;
859 }
860
861 switch(info.DeviceType)
862 {
863 case FILE_DEVICE_NULL:
864 case FILE_DEVICE_SERIAL_PORT:
865 case FILE_DEVICE_PARALLEL_PORT:
866 case FILE_DEVICE_TAPE:
867 case FILE_DEVICE_UNKNOWN:
868 return FILE_TYPE_CHAR;
869 case FILE_DEVICE_NAMED_PIPE:
870 return FILE_TYPE_PIPE;
871 default:
872 return FILE_TYPE_DISK;
873 }
874 }
875
876
877 /***********************************************************************
878 * GetFileInformationByHandle (KERNEL32.@)
879 */
880 BOOL WINAPI GetFileInformationByHandle( HANDLE hFile, BY_HANDLE_FILE_INFORMATION *info )
881 {
882 FILE_ALL_INFORMATION all_info;
883 IO_STATUS_BLOCK io;
884 NTSTATUS status;
885
886 status = NtQueryInformationFile( hFile, &io, &all_info, sizeof(all_info), FileAllInformation );
887 if (status == STATUS_BUFFER_OVERFLOW) status = STATUS_SUCCESS;
888 if (status == STATUS_SUCCESS)
889 {
890 info->dwFileAttributes = all_info.BasicInformation.FileAttributes;
891 info->ftCreationTime.dwHighDateTime = all_info.BasicInformation.CreationTime.u.HighPart;
892 info->ftCreationTime.dwLowDateTime = all_info.BasicInformation.CreationTime.u.LowPart;
893 info->ftLastAccessTime.dwHighDateTime = all_info.BasicInformation.LastAccessTime.u.HighPart;
894 info->ftLastAccessTime.dwLowDateTime = all_info.BasicInformation.LastAccessTime.u.LowPart;
895 info->ftLastWriteTime.dwHighDateTime = all_info.BasicInformation.LastWriteTime.u.HighPart;
896 info->ftLastWriteTime.dwLowDateTime = all_info.BasicInformation.LastWriteTime.u.LowPart;
897 info->dwVolumeSerialNumber = 0; /* FIXME */
898 info->nFileSizeHigh = all_info.StandardInformation.EndOfFile.u.HighPart;
899 info->nFileSizeLow = all_info.StandardInformation.EndOfFile.u.LowPart;
900 info->nNumberOfLinks = all_info.StandardInformation.NumberOfLinks;
901 info->nFileIndexHigh = all_info.InternalInformation.IndexNumber.u.HighPart;
902 info->nFileIndexLow = all_info.InternalInformation.IndexNumber.u.LowPart;
903 return TRUE;
904 }
905 SetLastError( RtlNtStatusToDosError(status) );
906 return FALSE;
907 }
908
909
910 /***********************************************************************
911 * GetFileInformationByHandleEx (KERNEL32.@)
912 */
913 BOOL WINAPI GetFileInformationByHandleEx( HANDLE handle, FILE_INFO_BY_HANDLE_CLASS class,
914 LPVOID info, DWORD size )
915 {
916 NTSTATUS status;
917 IO_STATUS_BLOCK io;
918
919 switch (class)
920 {
921 case FileStreamInfo:
922 case FileCompressionInfo:
923 case FileAttributeTagInfo:
924 case FileRemoteProtocolInfo:
925 case FileFullDirectoryInfo:
926 case FileFullDirectoryRestartInfo:
927 case FileStorageInfo:
928 case FileAlignmentInfo:
929 case FileIdInfo:
930 case FileIdExtdDirectoryInfo:
931 case FileIdExtdDirectoryRestartInfo:
932 FIXME( "%p, %u, %p, %u\n", handle, class, info, size );
933 SetLastError( ERROR_CALL_NOT_IMPLEMENTED );
934 return FALSE;
935
936 case FileBasicInfo:
937 status = NtQueryInformationFile( handle, &io, info, size, FileBasicInformation );
938 break;
939
940 case FileStandardInfo:
941 status = NtQueryInformationFile( handle, &io, info, size, FileStandardInformation );
942 break;
943
944 case FileNameInfo:
945 status = NtQueryInformationFile( handle, &io, info, size, FileNameInformation );
946 break;
947
948 case FileIdBothDirectoryRestartInfo:
949 case FileIdBothDirectoryInfo:
950 status = NtQueryDirectoryFile( handle, NULL, NULL, NULL, &io, info, size,
951 FileIdBothDirectoryInformation, FALSE, NULL,
952 (class == FileIdBothDirectoryRestartInfo) );
953 break;
954
955 case FileRenameInfo:
956 case FileDispositionInfo:
957 case FileAllocationInfo:
958 case FileIoPriorityHintInfo:
959 case FileEndOfFileInfo:
960 default:
961 SetLastError( ERROR_INVALID_PARAMETER );
962 return FALSE;
963 }
964
965 if (status != STATUS_SUCCESS)
966 {
967 SetLastError( RtlNtStatusToDosError( status ) );
968 return FALSE;
969 }
970 return TRUE;
971 }
972
973
974 /***********************************************************************
975 * GetFileSize (KERNEL32.@)
976 *
977 * Retrieve the size of a file.
978 *
979 * PARAMS
980 * hFile [I] File to retrieve size of.
981 * filesizehigh [O] On return, the high bits of the file size.
982 *
983 * RETURNS
984 * Success: The low bits of the file size.
985 * Failure: INVALID_FILE_SIZE. As this is could also be a success value,
986 * check GetLastError() for values other than ERROR_SUCCESS.
987 */
988 DWORD WINAPI GetFileSize( HANDLE hFile, LPDWORD filesizehigh )
989 {
990 LARGE_INTEGER size;
991 if (!GetFileSizeEx( hFile, &size )) return INVALID_FILE_SIZE;
992 if (filesizehigh) *filesizehigh = size.u.HighPart;
993 if (size.u.LowPart == INVALID_FILE_SIZE) SetLastError(0);
994 return size.u.LowPart;
995 }
996
997
998 /***********************************************************************
999 * GetFileSizeEx (KERNEL32.@)
1000 *
1001 * Retrieve the size of a file.
1002 *
1003 * PARAMS
1004 * hFile [I] File to retrieve size of.
1005 * lpFileSIze [O] On return, the size of the file.
1006 *
1007 * RETURNS
1008 * Success: TRUE.
1009 * Failure: FALSE, check GetLastError().
1010 */
1011 BOOL WINAPI GetFileSizeEx( HANDLE hFile, PLARGE_INTEGER lpFileSize )
1012 {
1013 FILE_STANDARD_INFORMATION info;
1014 IO_STATUS_BLOCK io;
1015 NTSTATUS status;
1016
1017 if (is_console_handle( hFile ))
1018 {
1019 SetLastError( ERROR_INVALID_HANDLE );
1020 return FALSE;
1021 }
1022
1023 status = NtQueryInformationFile( hFile, &io, &info, sizeof(info), FileStandardInformation );
1024 if (status == STATUS_SUCCESS)
1025 {
1026 *lpFileSize = info.EndOfFile;
1027 return TRUE;
1028 }
1029 SetLastError( RtlNtStatusToDosError(status) );
1030 return FALSE;
1031 }
1032
1033
1034 /**************************************************************************
1035 * SetEndOfFile (KERNEL32.@)
1036 *
1037 * Sets the current position as the end of the file.
1038 *
1039 * PARAMS
1040 * hFile [I] File handle.
1041 *
1042 * RETURNS
1043 * Success: TRUE.
1044 * Failure: FALSE, check GetLastError().
1045 */
1046 BOOL WINAPI SetEndOfFile( HANDLE hFile )
1047 {
1048 FILE_POSITION_INFORMATION pos;
1049 FILE_END_OF_FILE_INFORMATION eof;
1050 IO_STATUS_BLOCK io;
1051 NTSTATUS status;
1052
1053 status = NtQueryInformationFile( hFile, &io, &pos, sizeof(pos), FilePositionInformation );
1054 if (status == STATUS_SUCCESS)
1055 {
1056 eof.EndOfFile = pos.CurrentByteOffset;
1057 status = NtSetInformationFile( hFile, &io, &eof, sizeof(eof), FileEndOfFileInformation );
1058 }
1059 if (status == STATUS_SUCCESS) return TRUE;
1060 SetLastError( RtlNtStatusToDosError(status) );
1061 return FALSE;
1062 }
1063
1064 /**************************************************************************
1065 * SetFileCompletionNotificationModes (KERNEL32.@)
1066 */
1067 BOOL WINAPI SetFileCompletionNotificationModes( HANDLE handle, UCHAR flags )
1068 {
1069 FIXME("%p %x - stub\n", handle, flags);
1070 SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
1071 return FALSE;
1072 }
1073
1074
1075 /***********************************************************************
1076 * SetFileInformationByHandle (KERNEL32.@)
1077 */
1078 BOOL WINAPI SetFileInformationByHandle( HANDLE file, FILE_INFO_BY_HANDLE_CLASS class, VOID *info, DWORD size )
1079 {
1080 NTSTATUS status;
1081 IO_STATUS_BLOCK io;
1082
1083 TRACE( "%p %u %p %u\n", file, class, info, size );
1084
1085 switch (class)
1086 {
1087 case FileBasicInfo:
1088 case FileNameInfo:
1089 case FileRenameInfo:
1090 case FileAllocationInfo:
1091 case FileEndOfFileInfo:
1092 case FileStreamInfo:
1093 case FileIdBothDirectoryInfo:
1094 case FileIdBothDirectoryRestartInfo:
1095 case FileIoPriorityHintInfo:
1096 case FileFullDirectoryInfo:
1097 case FileFullDirectoryRestartInfo:
1098 case FileStorageInfo:
1099 case FileAlignmentInfo:
1100 case FileIdInfo:
1101 case FileIdExtdDirectoryInfo:
1102 case FileIdExtdDirectoryRestartInfo:
1103 FIXME( "%p, %u, %p, %u\n", file, class, info, size );
1104 SetLastError( ERROR_CALL_NOT_IMPLEMENTED );
1105 return FALSE;
1106
1107 case FileDispositionInfo:
1108 status = NtSetInformationFile( file, &io, info, size, FileDispositionInformation );
1109 break;
1110
1111 case FileStandardInfo:
1112 case FileCompressionInfo:
1113 case FileAttributeTagInfo:
1114 case FileRemoteProtocolInfo:
1115 default:
1116 SetLastError( ERROR_INVALID_PARAMETER );
1117 return FALSE;
1118 }
1119
1120 if (status != STATUS_SUCCESS)
1121 {
1122 SetLastError( RtlNtStatusToDosError( status ) );
1123 return FALSE;
1124 }
1125 return TRUE;
1126 }
1127
1128
1129 /***********************************************************************
1130 * SetFilePointer (KERNEL32.@)
1131 */
1132 DWORD WINAPI DECLSPEC_HOTPATCH SetFilePointer( HANDLE hFile, LONG distance, LONG *highword, DWORD method )
1133 {
1134 LARGE_INTEGER dist, newpos;
1135
1136 if (highword)
1137 {
1138 dist.u.LowPart = distance;
1139 dist.u.HighPart = *highword;
1140 }
1141 else dist.QuadPart = distance;
1142
1143 if (!SetFilePointerEx( hFile, dist, &newpos, method )) return INVALID_SET_FILE_POINTER;
1144
1145 if (highword) *highword = newpos.u.HighPart;
1146 if (newpos.u.LowPart == INVALID_SET_FILE_POINTER) SetLastError( 0 );
1147 return newpos.u.LowPart;
1148 }
1149
1150
1151 /***********************************************************************
1152 * SetFilePointerEx (KERNEL32.@)
1153 */
1154 BOOL WINAPI SetFilePointerEx( HANDLE hFile, LARGE_INTEGER distance,
1155 LARGE_INTEGER *newpos, DWORD method )
1156 {
1157 LONGLONG pos;
1158 IO_STATUS_BLOCK io;
1159 FILE_POSITION_INFORMATION info;
1160
1161 switch(method)
1162 {
1163 case FILE_BEGIN:
1164 pos = distance.QuadPart;
1165 break;
1166 case FILE_CURRENT:
1167 if (NtQueryInformationFile( hFile, &io, &info, sizeof(info), FilePositionInformation ))
1168 goto error;
1169 pos = info.CurrentByteOffset.QuadPart + distance.QuadPart;
1170 break;
1171 case FILE_END:
1172 {
1173 FILE_END_OF_FILE_INFORMATION eof;
1174 if (NtQueryInformationFile( hFile, &io, &eof, sizeof(eof), FileEndOfFileInformation ))
1175 goto error;
1176 pos = eof.EndOfFile.QuadPart + distance.QuadPart;
1177 }
1178 break;
1179 default:
1180 SetLastError( ERROR_INVALID_PARAMETER );
1181 return FALSE;
1182 }
1183
1184 if (pos < 0)
1185 {
1186 SetLastError( ERROR_NEGATIVE_SEEK );
1187 return FALSE;
1188 }
1189
1190 info.CurrentByteOffset.QuadPart = pos;
1191 if (NtSetInformationFile( hFile, &io, &info, sizeof(info), FilePositionInformation ))
1192 goto error;
1193 if (newpos) newpos->QuadPart = pos;
1194 return TRUE;
1195
1196 error:
1197 SetLastError( RtlNtStatusToDosError(io.u.Status) );
1198 return FALSE;
1199 }
1200
1201 /***********************************************************************
1202 * SetFileValidData (KERNEL32.@)
1203 */
1204 BOOL WINAPI SetFileValidData( HANDLE hFile, LONGLONG ValidDataLength )
1205 {
1206 FILE_VALID_DATA_LENGTH_INFORMATION info;
1207 IO_STATUS_BLOCK io;
1208 NTSTATUS status;
1209
1210 info.ValidDataLength.QuadPart = ValidDataLength;
1211 status = NtSetInformationFile( hFile, &io, &info, sizeof(info), FileValidDataLengthInformation );
1212
1213 if (status == STATUS_SUCCESS) return TRUE;
1214 SetLastError( RtlNtStatusToDosError(status) );
1215 return FALSE;
1216 }
1217
1218 /***********************************************************************
1219 * GetFileTime (KERNEL32.@)
1220 */
1221 BOOL WINAPI GetFileTime( HANDLE hFile, FILETIME *lpCreationTime,
1222 FILETIME *lpLastAccessTime, FILETIME *lpLastWriteTime )
1223 {
1224 FILE_BASIC_INFORMATION info;
1225 IO_STATUS_BLOCK io;
1226 NTSTATUS status;
1227
1228 status = NtQueryInformationFile( hFile, &io, &info, sizeof(info), FileBasicInformation );
1229 if (status == STATUS_SUCCESS)
1230 {
1231 if (lpCreationTime)
1232 {
1233 lpCreationTime->dwHighDateTime = info.CreationTime.u.HighPart;
1234 lpCreationTime->dwLowDateTime = info.CreationTime.u.LowPart;
1235 }
1236 if (lpLastAccessTime)
1237 {
1238 lpLastAccessTime->dwHighDateTime = info.LastAccessTime.u.HighPart;
1239 lpLastAccessTime->dwLowDateTime = info.LastAccessTime.u.LowPart;
1240 }
1241 if (lpLastWriteTime)
1242 {
1243 lpLastWriteTime->dwHighDateTime = info.LastWriteTime.u.HighPart;
1244 lpLastWriteTime->dwLowDateTime = info.LastWriteTime.u.LowPart;
1245 }
1246 return TRUE;
1247 }
1248 SetLastError( RtlNtStatusToDosError(status) );
1249 return FALSE;
1250 }
1251
1252
1253 /***********************************************************************
1254 * SetFileTime (KERNEL32.@)
1255 */
1256 BOOL WINAPI SetFileTime( HANDLE hFile, const FILETIME *ctime,
1257 const FILETIME *atime, const FILETIME *mtime )
1258 {
1259 FILE_BASIC_INFORMATION info;
1260 IO_STATUS_BLOCK io;
1261 NTSTATUS status;
1262
1263 memset( &info, 0, sizeof(info) );
1264 if (ctime)
1265 {
1266 info.CreationTime.u.HighPart = ctime->dwHighDateTime;
1267 info.CreationTime.u.LowPart = ctime->dwLowDateTime;
1268 }
1269 if (atime)
1270 {
1271 info.LastAccessTime.u.HighPart = atime->dwHighDateTime;
1272 info.LastAccessTime.u.LowPart = atime->dwLowDateTime;
1273 }
1274 if (mtime)
1275 {
1276 info.LastWriteTime.u.HighPart = mtime->dwHighDateTime;
1277 info.LastWriteTime.u.LowPart = mtime->dwLowDateTime;
1278 }
1279
1280 status = NtSetInformationFile( hFile, &io, &info, sizeof(info), FileBasicInformation );
1281 if (status == STATUS_SUCCESS) return TRUE;
1282 SetLastError( RtlNtStatusToDosError(status) );
1283 return FALSE;
1284 }
1285
1286
1287 /**************************************************************************
1288 * LockFile (KERNEL32.@)
1289 */
1290 BOOL WINAPI LockFile( HANDLE hFile, DWORD offset_low, DWORD offset_high,
1291 DWORD count_low, DWORD count_high )
1292 {
1293 NTSTATUS status;
1294 LARGE_INTEGER count, offset;
1295
1296 TRACE( "%p %x%08x %x%08x\n",
1297 hFile, offset_high, offset_low, count_high, count_low );
1298
1299 count.u.LowPart = count_low;
1300 count.u.HighPart = count_high;
1301 offset.u.LowPart = offset_low;
1302 offset.u.HighPart = offset_high;
1303
1304 status = NtLockFile( hFile, 0, NULL, NULL,
1305 NULL, &offset, &count, NULL, TRUE, TRUE );
1306
1307 if (status != STATUS_SUCCESS) SetLastError( RtlNtStatusToDosError(status) );
1308 return !status;
1309 }
1310
1311
1312 /**************************************************************************
1313 * LockFileEx [KERNEL32.@]
1314 *
1315 * Locks a byte range within an open file for shared or exclusive access.
1316 *
1317 * RETURNS
1318 * success: TRUE
1319 * failure: FALSE
1320 *
1321 * NOTES
1322 * Per Microsoft docs, the third parameter (reserved) must be set to 0.
1323 */
1324 BOOL WINAPI LockFileEx( HANDLE hFile, DWORD flags, DWORD reserved,
1325 DWORD count_low, DWORD count_high, LPOVERLAPPED overlapped )
1326 {
1327 NTSTATUS status;
1328 LARGE_INTEGER count, offset;
1329 LPVOID cvalue = NULL;
1330
1331 if (reserved)
1332 {
1333 SetLastError( ERROR_INVALID_PARAMETER );
1334 return FALSE;
1335 }
1336
1337 TRACE( "%p %x%08x %x%08x flags %x\n",
1338 hFile, overlapped->u.s.OffsetHigh, overlapped->u.s.Offset,
1339 count_high, count_low, flags );
1340
1341 count.u.LowPart = count_low;
1342 count.u.HighPart = count_high;
1343 offset.u.LowPart = overlapped->u.s.Offset;
1344 offset.u.HighPart = overlapped->u.s.OffsetHigh;
1345
1346 if (((ULONG_PTR)overlapped->hEvent & 1) == 0) cvalue = overlapped;
1347
1348 status = NtLockFile( hFile, overlapped->hEvent, NULL, cvalue,
1349 NULL, &offset, &count, NULL,
1350 flags & LOCKFILE_FAIL_IMMEDIATELY,
1351 flags & LOCKFILE_EXCLUSIVE_LOCK );
1352
1353 if (status) SetLastError( RtlNtStatusToDosError(status) );
1354 return !status;
1355 }
1356
1357
1358 /**************************************************************************
1359 * UnlockFile (KERNEL32.@)
1360 */
1361 BOOL WINAPI UnlockFile( HANDLE hFile, DWORD offset_low, DWORD offset_high,
1362 DWORD count_low, DWORD count_high )
1363 {
1364 NTSTATUS status;
1365 LARGE_INTEGER count, offset;
1366
1367 count.u.LowPart = count_low;
1368 count.u.HighPart = count_high;
1369 offset.u.LowPart = offset_low;
1370 offset.u.HighPart = offset_high;
1371
1372 status = NtUnlockFile( hFile, NULL, &offset, &count, NULL);
1373 if (status) SetLastError( RtlNtStatusToDosError(status) );
1374 return !status;
1375 }
1376
1377
1378 /**************************************************************************
1379 * UnlockFileEx (KERNEL32.@)
1380 */
1381 BOOL WINAPI UnlockFileEx( HANDLE hFile, DWORD reserved, DWORD count_low, DWORD count_high,
1382 LPOVERLAPPED overlapped )
1383 {
1384 if (reserved)
1385 {
1386 SetLastError( ERROR_INVALID_PARAMETER );
1387 return FALSE;
1388 }
1389 if (overlapped->hEvent) FIXME("Unimplemented overlapped operation\n");
1390
1391 return UnlockFile( hFile, overlapped->u.s.Offset, overlapped->u.s.OffsetHigh, count_low, count_high );
1392 }
1393
1394
1395 /*************************************************************************
1396 * SetHandleCount (KERNEL32.@)
1397 */
1398 UINT WINAPI SetHandleCount( UINT count )
1399 {
1400 return count;
1401 }
1402
1403
1404 /**************************************************************************
1405 * Operations on file names *
1406 **************************************************************************/
1407
1408
1409 /*************************************************************************
1410 * CreateFileW [KERNEL32.@] Creates or opens a file or other object
1411 *
1412 * Creates or opens an object, and returns a handle that can be used to
1413 * access that object.
1414 *
1415 * PARAMS
1416 *
1417 * filename [in] pointer to filename to be accessed
1418 * access [in] access mode requested
1419 * sharing [in] share mode
1420 * sa [in] pointer to security attributes
1421 * creation [in] how to create the file
1422 * attributes [in] attributes for newly created file
1423 * template [in] handle to file with extended attributes to copy
1424 *
1425 * RETURNS
1426 * Success: Open handle to specified file
1427 * Failure: INVALID_HANDLE_VALUE
1428 */
1429 HANDLE WINAPI CreateFileW( LPCWSTR filename, DWORD access, DWORD sharing,
1430 LPSECURITY_ATTRIBUTES sa, DWORD creation,
1431 DWORD attributes, HANDLE template )
1432 {
1433 NTSTATUS status;
1434 UINT options;
1435 OBJECT_ATTRIBUTES attr;
1436 UNICODE_STRING nameW;
1437 IO_STATUS_BLOCK io;
1438 HANDLE ret;
1439 DWORD dosdev;
1440 const WCHAR *vxd_name = NULL;
1441 static const WCHAR bkslashes_with_dotW[] = {'\\','\\','.','\\',0};
1442 static const WCHAR coninW[] = {'C','O','N','I','N','$',0};
1443 static const WCHAR conoutW[] = {'C','O','N','O','U','T','$',0};
1444 SECURITY_QUALITY_OF_SERVICE qos;
1445
1446 static const UINT nt_disposition[5] =
1447 {
1448 FILE_CREATE, /* CREATE_NEW */
1449 FILE_OVERWRITE_IF, /* CREATE_ALWAYS */
1450 FILE_OPEN, /* OPEN_EXISTING */
1451 FILE_OPEN_IF, /* OPEN_ALWAYS */
1452 FILE_OVERWRITE /* TRUNCATE_EXISTING */
1453 };
1454
1455
1456 /* sanity checks */
1457
1458 if (!filename || !filename[0])
1459 {
1460 SetLastError( ERROR_PATH_NOT_FOUND );
1461 return INVALID_HANDLE_VALUE;
1462 }
1463
1464 TRACE("%s %s%s%s%s%s%s%s creation %d attributes 0x%x\n", debugstr_w(filename),
1465 (access & GENERIC_READ)?"GENERIC_READ ":"",
1466 (access & GENERIC_WRITE)?"GENERIC_WRITE ":"",
1467 (access & GENERIC_EXECUTE)?"GENERIC_EXECUTE ":"",
1468 (!access)?"QUERY_ACCESS ":"",
1469 (sharing & FILE_SHARE_READ)?"FILE_SHARE_READ ":"",
1470 (sharing & FILE_SHARE_WRITE)?"FILE_SHARE_WRITE ":"",
1471 (sharing & FILE_SHARE_DELETE)?"FILE_SHARE_DELETE ":"",
1472 creation, attributes);
1473
1474 /* Open a console for CONIN$ or CONOUT$ */
1475
1476 if (!strcmpiW(filename, coninW) || !strcmpiW(filename, conoutW))
1477 {
1478 ret = OpenConsoleW(filename, access, (sa && sa->bInheritHandle),
1479 creation ? OPEN_EXISTING : 0);
1480 if (ret == INVALID_HANDLE_VALUE) SetLastError(ERROR_INVALID_PARAMETER);
1481 goto done;
1482 }
1483
1484 if (!strncmpW(filename, bkslashes_with_dotW, 4))
1485 {
1486 static const WCHAR pipeW[] = {'P','I','P','E','\\',0};
1487 static const WCHAR mailslotW[] = {'M','A','I','L','S','L','O','T','\\',0};
1488
1489 if ((isalphaW(filename[4]) && filename[5] == ':' && filename[6] == '\0') ||
1490 !strncmpiW( filename + 4, pipeW, 5 ) ||
1491 !strncmpiW( filename + 4, mailslotW, 9 ))
1492 {
1493 dosdev = 0;
1494 }
1495 else if ((dosdev = RtlIsDosDeviceName_U( filename + 4 )))
1496 {
1497 dosdev += MAKELONG( 0, 4*sizeof(WCHAR) ); /* adjust position to start of filename */
1498 }
1499 else if (GetVersion() & 0x80000000)
1500 {
1501 vxd_name = filename + 4;
1502 if (!creation) creation = OPEN_EXISTING;
1503 }
1504 }
1505 else dosdev = RtlIsDosDeviceName_U( filename );
1506
1507 if (dosdev)
1508 {
1509 static const WCHAR conW[] = {'C','O','N'};
1510
1511 if (LOWORD(dosdev) == sizeof(conW) &&
1512 !memicmpW( filename + HIWORD(dosdev)/sizeof(WCHAR), conW, sizeof(conW)/sizeof(WCHAR)))
1513 {
1514 switch (access & (GENERIC_READ|GENERIC_WRITE))
1515 {
1516 case GENERIC_READ:
1517 ret = OpenConsoleW(coninW, access, (sa && sa->bInheritHandle), OPEN_EXISTING);
1518 goto done;
1519 case GENERIC_WRITE:
1520 ret = OpenConsoleW(conoutW, access, (sa && sa->bInheritHandle), OPEN_EXISTING);
1521 goto done;
1522 default:
1523 SetLastError( ERROR_FILE_NOT_FOUND );
1524 return INVALID_HANDLE_VALUE;
1525 }
1526 }
1527 }
1528
1529 if (creation < CREATE_NEW || creation > TRUNCATE_EXISTING)
1530 {
1531 SetLastError( ERROR_INVALID_PARAMETER );
1532 return INVALID_HANDLE_VALUE;
1533 }
1534
1535 if (!RtlDosPathNameToNtPathName_U( filename, &nameW, NULL, NULL ))
1536 {
1537 SetLastError( ERROR_PATH_NOT_FOUND );
1538 return INVALID_HANDLE_VALUE;
1539 }
1540
1541 /* now call NtCreateFile */
1542
1543 options = 0;
1544 if (attributes & FILE_FLAG_BACKUP_SEMANTICS)
1545 options |= FILE_OPEN_FOR_BACKUP_INTENT;
1546 else
1547 options |= FILE_NON_DIRECTORY_FILE;
1548 if (attributes & FILE_FLAG_DELETE_ON_CLOSE)
1549 {
1550 options |= FILE_DELETE_ON_CLOSE;
1551 access |= DELETE;
1552 }
1553 if (attributes & FILE_FLAG_NO_BUFFERING)
1554 options |= FILE_NO_INTERMEDIATE_BUFFERING;
1555 if (!(attributes & FILE_FLAG_OVERLAPPED))
1556 options |= FILE_SYNCHRONOUS_IO_NONALERT;
1557 if (attributes & FILE_FLAG_RANDOM_ACCESS)
1558 options |= FILE_RANDOM_ACCESS;
1559 attributes &= FILE_ATTRIBUTE_VALID_FLAGS;
1560
1561 attr.Length = sizeof(attr);
1562 attr.RootDirectory = 0;
1563 attr.Attributes = OBJ_CASE_INSENSITIVE;
1564 attr.ObjectName = &nameW;
1565 attr.SecurityDescriptor = sa ? sa->lpSecurityDescriptor : NULL;
1566 if (attributes & SECURITY_SQOS_PRESENT)
1567 {
1568 qos.Length = sizeof(qos);
1569 qos.ImpersonationLevel = (attributes >> 16) & 0x3;
1570 qos.ContextTrackingMode = attributes & SECURITY_CONTEXT_TRACKING ? SECURITY_DYNAMIC_TRACKING : SECURITY_STATIC_TRACKING;
1571 qos.EffectiveOnly = (attributes & SECURITY_EFFECTIVE_ONLY) != 0;
1572 attr.SecurityQualityOfService = &qos;
1573 }
1574 else
1575 attr.SecurityQualityOfService = NULL;
1576
1577 if (sa && sa->bInheritHandle) attr.Attributes |= OBJ_INHERIT;
1578
1579 status = NtCreateFile( &ret, access | SYNCHRONIZE, &attr, &io, NULL, attributes,
1580 sharing, nt_disposition[creation - CREATE_NEW],
1581 options, NULL, 0 );
1582 if (status)
1583 {
1584 if (vxd_name && vxd_name[0])
1585 {
1586 static HANDLE (*vxd_open)(LPCWSTR,DWORD,SECURITY_ATTRIBUTES*);
1587 if (!vxd_open) vxd_open = (void *)GetProcAddress( GetModuleHandleA("krnl386.exe16"),
1588 "__wine_vxd_open" );
1589 if (vxd_open && (ret = vxd_open( vxd_name, access, sa ))) goto done;
1590 }
1591
1592 WARN("Unable to create file %s (status %x)\n", debugstr_w(filename), status);
1593 ret = INVALID_HANDLE_VALUE;
1594
1595 /* In the case file creation was rejected due to CREATE_NEW flag
1596 * was specified and file with that name already exists, correct
1597 * last error is ERROR_FILE_EXISTS and not ERROR_ALREADY_EXISTS.
1598 * Note: RtlNtStatusToDosError is not the subject to blame here.
1599 */
1600 if (status == STATUS_OBJECT_NAME_COLLISION)
1601 SetLastError( ERROR_FILE_EXISTS );
1602 else
1603 SetLastError( RtlNtStatusToDosError(status) );
1604 }
1605 else
1606 {
1607 if ((creation == CREATE_ALWAYS && io.Information == FILE_OVERWRITTEN) ||
1608 (creation == OPEN_ALWAYS && io.Information == FILE_OPENED))
1609 SetLastError( ERROR_ALREADY_EXISTS );
1610 else
1611 SetLastError( 0 );
1612 }
1613 RtlFreeUnicodeString( &nameW );
1614
1615 done:
1616 if (!ret) ret = INVALID_HANDLE_VALUE;
1617 TRACE("returning %p\n", ret);
1618 return ret;
1619 }
1620
1621
1622
1623 /*************************************************************************
1624 * CreateFileA (KERNEL32.@)
1625 *
1626 * See CreateFileW.
1627 */
1628 HANDLE WINAPI CreateFileA( LPCSTR filename, DWORD access, DWORD sharing,
1629 LPSECURITY_ATTRIBUTES sa, DWORD creation,
1630 DWORD attributes, HANDLE template)
1631 {
1632 WCHAR *nameW;
1633
1634 if ((GetVersion() & 0x80000000) && IsBadStringPtrA(filename, -1)) return INVALID_HANDLE_VALUE;
1635 if (!(nameW = FILE_name_AtoW( filename, FALSE ))) return INVALID_HANDLE_VALUE;
1636 return CreateFileW( nameW, access, sharing, sa, creation, attributes, template );
1637 }
1638
1639 /*************************************************************************
1640 * CreateFile2 (KERNEL32.@)
1641 */
1642 HANDLE WINAPI CreateFile2( LPCWSTR filename, DWORD access, DWORD sharing, DWORD creation,
1643 CREATEFILE2_EXTENDED_PARAMETERS *exparams )
1644 {
1645 LPSECURITY_ATTRIBUTES sa = exparams ? exparams->lpSecurityAttributes : NULL;
1646 DWORD attributes = exparams ? exparams->dwFileAttributes : 0;
1647 HANDLE template = exparams ? exparams->hTemplateFile : NULL;
1648
1649 FIXME("(%s %x %x %x %p), partial stub\n", debugstr_w(filename), access, sharing, creation, exparams);
1650
1651 return CreateFileW( filename, access, sharing, sa, creation, attributes, template );
1652 }
1653
1654 /***********************************************************************
1655 * DeleteFileW (KERNEL32.@)
1656 *
1657 * Delete a file.
1658 *
1659 * PARAMS
1660 * path [I] Path to the file to delete.
1661 *
1662 * RETURNS
1663 * Success: TRUE.
1664 * Failure: FALSE, check GetLastError().
1665 */
1666 BOOL WINAPI DeleteFileW( LPCWSTR path )
1667 {
1668 UNICODE_STRING nameW;
1669 OBJECT_ATTRIBUTES attr;
1670 NTSTATUS status;
1671 HANDLE hFile;
1672 IO_STATUS_BLOCK io;
1673
1674 TRACE("%s\n", debugstr_w(path) );
1675
1676 if (!RtlDosPathNameToNtPathName_U( path, &nameW, NULL, NULL ))
1677 {
1678 SetLastError( ERROR_PATH_NOT_FOUND );
1679 return FALSE;
1680 }
1681
1682 attr.Length = sizeof(attr);
1683 attr.RootDirectory = 0;
1684 attr.Attributes = OBJ_CASE_INSENSITIVE;
1685 attr.ObjectName = &nameW;
1686 attr.SecurityDescriptor = NULL;
1687 attr.SecurityQualityOfService = NULL;
1688
1689 status = NtCreateFile(&hFile, SYNCHRONIZE | DELETE, &attr, &io, NULL, 0,
1690 FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
1691 FILE_OPEN, FILE_DELETE_ON_CLOSE | FILE_NON_DIRECTORY_FILE, NULL, 0);
1692 if (status == STATUS_SUCCESS) status = NtClose(hFile);
1693
1694 RtlFreeUnicodeString( &nameW );
1695 if (status)
1696 {
1697 SetLastError( RtlNtStatusToDosError(status) );
1698 return FALSE;
1699 }
1700 return TRUE;
1701 }
1702
1703
1704 /***********************************************************************
1705 * DeleteFileA (KERNEL32.@)
1706 *
1707 * See DeleteFileW.
1708 */
1709 BOOL WINAPI DeleteFileA( LPCSTR path )
1710 {
1711 WCHAR *pathW;
1712
1713 if (!(pathW = FILE_name_AtoW( path, FALSE ))) return FALSE;
1714 return DeleteFileW( pathW );
1715 }
1716
1717
1718 /**************************************************************************
1719 * ReplaceFileW (KERNEL32.@)
1720 * ReplaceFile (KERNEL32.@)
1721 */
1722 BOOL WINAPI ReplaceFileW(LPCWSTR lpReplacedFileName, LPCWSTR lpReplacementFileName,
1723 LPCWSTR lpBackupFileName, DWORD dwReplaceFlags,
1724 LPVOID lpExclude, LPVOID lpReserved)
1725 {
1726 UNICODE_STRING nt_replaced_name, nt_replacement_name;
1727 ANSI_STRING unix_replaced_name, unix_replacement_name, unix_backup_name;
1728 HANDLE hReplaced = NULL, hReplacement = NULL, hBackup = NULL;
1729 DWORD error = ERROR_SUCCESS;
1730 UINT replaced_flags;
1731 BOOL ret = FALSE;
1732 NTSTATUS status;
1733 IO_STATUS_BLOCK io;
1734 OBJECT_ATTRIBUTES attr;
1735
1736 TRACE("%s %s %s 0x%08x %p %p\n", debugstr_w(lpReplacedFileName),
1737 debugstr_w(lpReplacementFileName), debugstr_w(lpBackupFileName),
1738 dwReplaceFlags, lpExclude, lpReserved);
1739
1740 if (dwReplaceFlags)
1741 FIXME("Ignoring flags %x\n", dwReplaceFlags);
1742
1743 /* First two arguments are mandatory */
1744 if (!lpReplacedFileName || !lpReplacementFileName)
1745 {
1746 SetLastError(ERROR_INVALID_PARAMETER);
1747 return FALSE;
1748 }
1749
1750 unix_replaced_name.Buffer = NULL;
1751 unix_replacement_name.Buffer = NULL;
1752 unix_backup_name.Buffer = NULL;
1753
1754 attr.Length = sizeof(attr);
1755 attr.RootDirectory = 0;
1756 attr.Attributes = OBJ_CASE_INSENSITIVE;
1757 attr.ObjectName = NULL;
1758 attr.SecurityDescriptor = NULL;
1759 attr.SecurityQualityOfService = NULL;
1760
1761 /* Open the "replaced" file for reading and writing */
1762 if (!(RtlDosPathNameToNtPathName_U(lpReplacedFileName, &nt_replaced_name, NULL, NULL)))
1763 {
1764 error = ERROR_PATH_NOT_FOUND;
1765 goto fail;
1766 }
1767 replaced_flags = lpBackupFileName ? FILE_OPEN : FILE_OPEN_IF;
1768 attr.ObjectName = &nt_replaced_name;
1769 status = NtOpenFile(&hReplaced, GENERIC_READ|GENERIC_WRITE|DELETE|SYNCHRONIZE,
1770 &attr, &io,
1771 FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE,
1772 FILE_SYNCHRONOUS_IO_NONALERT|FILE_NON_DIRECTORY_FILE);
1773 if (status == STATUS_SUCCESS)
1774 status = wine_nt_to_unix_file_name(&nt_replaced_name, &unix_replaced_name, replaced_flags, FALSE);
1775 RtlFreeUnicodeString(&nt_replaced_name);
1776 if (status != STATUS_SUCCESS)
1777 {
1778 if (status == STATUS_OBJECT_NAME_NOT_FOUND)
1779 error = ERROR_FILE_NOT_FOUND;
1780 else
1781 error = ERROR_UNABLE_TO_REMOVE_REPLACED;
1782 goto fail;
1783 }
1784
1785 /*
1786 * Open the replacement file for reading, writing, and deleting
1787 * (writing and deleting are needed when finished)
1788 */
1789 if (!(RtlDosPathNameToNtPathName_U(lpReplacementFileName, &nt_replacement_name, NULL, NULL)))
1790 {
1791 error = ERROR_PATH_NOT_FOUND;
1792 goto fail;
1793 }
1794 attr.ObjectName = &nt_replacement_name;
1795 status = NtOpenFile(&hReplacement,
1796 GENERIC_READ|GENERIC_WRITE|DELETE|WRITE_DAC|SYNCHRONIZE,
1797 &attr, &io, 0,
1798 FILE_SYNCHRONOUS_IO_NONALERT|FILE_NON_DIRECTORY_FILE);
1799 if (status == STATUS_SUCCESS)
1800 status = wine_nt_to_unix_file_name(&nt_replacement_name, &unix_replacement_name, FILE_OPEN, FALSE);
1801 RtlFreeUnicodeString(&nt_replacement_name);
1802 if (status != STATUS_SUCCESS)
1803 {
1804 error = RtlNtStatusToDosError(status);
1805 goto fail;
1806 }
1807
1808 /* If the user wants a backup then that needs to be performed first */
1809 if (lpBackupFileName)
1810 {
1811 UNICODE_STRING nt_backup_name;
1812 FILE_BASIC_INFORMATION replaced_info;
1813
1814 /* Obtain the file attributes from the "replaced" file */
1815 status = NtQueryInformationFile(hReplaced, &io, &replaced_info,
1816 sizeof(replaced_info),
1817 FileBasicInformation);
1818 if (status != STATUS_SUCCESS)
1819 {
1820 error = RtlNtStatusToDosError(status);
1821 goto fail;
1822 }
1823
1824 if (!(RtlDosPathNameToNtPathName_U(lpBackupFileName, &nt_backup_name, NULL, NULL)))
1825 {
1826 error = ERROR_PATH_NOT_FOUND;
1827 goto fail;
1828 }
1829 attr.ObjectName = &nt_backup_name;
1830 /* Open the backup with permissions to write over it */
1831 status = NtCreateFile(&hBackup, GENERIC_WRITE | SYNCHRONIZE,
1832 &attr, &io, NULL, replaced_info.FileAttributes,
1833 FILE_SHARE_WRITE, FILE_OPEN_IF,
1834 FILE_SYNCHRONOUS_IO_NONALERT|FILE_NON_DIRECTORY_FILE,
1835 NULL, 0);
1836 if (status == STATUS_SUCCESS)
1837 status = wine_nt_to_unix_file_name(&nt_backup_name, &unix_backup_name, FILE_OPEN_IF, FALSE);
1838 RtlFreeUnicodeString(&nt_backup_name);
1839 if (status != STATUS_SUCCESS)
1840 {
1841 error = RtlNtStatusToDosError(status);
1842 goto fail;
1843 }
1844
1845 /* If an existing backup exists then copy over it */
1846 if (rename(unix_replaced_name.Buffer, unix_backup_name.Buffer) == -1)
1847 {
1848 error = ERROR_UNABLE_TO_REMOVE_REPLACED; /* is this correct? */
1849 goto fail;
1850 }
1851 }
1852
1853 /*
1854 * Now that the backup has been performed (if requested), copy the replacement
1855 * into place
1856 */
1857 if (rename(unix_replacement_name.Buffer, unix_replaced_name.Buffer) == -1)
1858 {
1859 if (errno == EACCES)
1860 {
1861 /* Inappropriate permissions on "replaced", rename will fail */
1862 error = ERROR_UNABLE_TO_REMOVE_REPLACED;
1863 goto fail;
1864 }
1865 /* on failure we need to indicate whether a backup was made */
1866 if (!lpBackupFileName)
1867 error = ERROR_UNABLE_TO_MOVE_REPLACEMENT;
1868 else
1869 error = ERROR_UNABLE_TO_MOVE_REPLACEMENT_2;
1870 goto fail;
1871 }
1872 /* Success! */
1873 ret = TRUE;
1874
1875 /* Perform resource cleanup */
1876 fail:
1877 if (hBackup) CloseHandle(hBackup);
1878 if (hReplaced) CloseHandle(hReplaced);
1879 if (hReplacement) CloseHandle(hReplacement);
1880 RtlFreeAnsiString(&unix_backup_name);
1881 RtlFreeAnsiString(&unix_replacement_name);
1882 RtlFreeAnsiString(&unix_replaced_name);
1883
1884 /* If there was an error, set the error code */
1885 if(!ret)
1886 SetLastError(error);
1887 return ret;
1888 }
1889
1890
1891 /**************************************************************************
1892 * ReplaceFileA (KERNEL32.@)
1893 */
1894 BOOL WINAPI ReplaceFileA(LPCSTR lpReplacedFileName,LPCSTR lpReplacementFileName,
1895 LPCSTR lpBackupFileName, DWORD dwReplaceFlags,
1896 LPVOID lpExclude, LPVOID lpReserved)
1897 {
1898 WCHAR *replacedW, *replacementW, *backupW = NULL;
1899 BOOL ret;
1900
1901 /* This function only makes sense when the first two parameters are defined */
1902 if (!lpReplacedFileName || !(replacedW = FILE_name_AtoW( lpReplacedFileName, TRUE )))
1903 {
1904 SetLastError(ERROR_INVALID_PARAMETER);
1905 return FALSE;
1906 }
1907 if (!lpReplacementFileName || !(replacementW = FILE_name_AtoW( lpReplacementFileName, TRUE )))
1908 {
1909 HeapFree( GetProcessHeap(), 0, replacedW );
1910 SetLastError(ERROR_INVALID_PARAMETER);
1911 return FALSE;
1912 }
1913 /* The backup parameter, however, is optional */
1914 if (lpBackupFileName)
1915 {
1916 if (!(backupW = FILE_name_AtoW( lpBackupFileName, TRUE )))
1917 {
1918 HeapFree( GetProcessHeap(), 0, replacedW );
1919 HeapFree( GetProcessHeap(), 0, replacementW );
1920 SetLastError(ERROR_INVALID_PARAMETER);
1921 return FALSE;
1922 }
1923 }
1924 ret = ReplaceFileW( replacedW, replacementW, backupW, dwReplaceFlags, lpExclude, lpReserved );
1925 HeapFree( GetProcessHeap(), 0, replacedW );
1926 HeapFree( GetProcessHeap(), 0, replacementW );
1927 HeapFree( GetProcessHeap(), 0, backupW );
1928 return ret;
1929 }
1930
1931
1932 /*************************************************************************
1933 * FindFirstFileExW (KERNEL32.@)
1934 *
1935 * NOTE: The FindExSearchLimitToDirectories is ignored - it gives the same
1936 * results as FindExSearchNameMatch
1937 */
1938 HANDLE WINAPI FindFirstFileExW( LPCWSTR filename, FINDEX_INFO_LEVELS level,
1939 LPVOID data, FINDEX_SEARCH_OPS search_op,
1940 LPVOID filter, DWORD flags)
1941 {
1942 WCHAR *mask, *p;
1943 FIND_FIRST_INFO *info = NULL;
1944 UNICODE_STRING nt_name;
1945 OBJECT_ATTRIBUTES attr;
1946 IO_STATUS_BLOCK io;
1947 NTSTATUS status;
1948 DWORD device = 0;
1949
1950 TRACE("%s %d %p %d %p %x\n", debugstr_w(filename), level, data, search_op, filter, flags);
1951
1952 if (flags != 0)
1953 {
1954 FIXME("flags not implemented 0x%08x\n", flags );
1955 }
1956 if (search_op != FindExSearchNameMatch && search_op != FindExSearchLimitToDirectories)
1957 {
1958 FIXME("search_op not implemented 0x%08x\n", search_op);
1959 SetLastError( ERROR_INVALID_PARAMETER );
1960 return INVALID_HANDLE_VALUE;
1961 }
1962 if (level != FindExInfoStandard && level != FindExInfoBasic)
1963 {
1964 FIXME("info level %d not implemented\n", level );
1965 SetLastError( ERROR_INVALID_PARAMETER );
1966 return INVALID_HANDLE_VALUE;
1967 }
1968
1969 if (!RtlDosPathNameToNtPathName_U( filename, &nt_name, &mask, NULL ))
1970 {
1971 SetLastError( ERROR_PATH_NOT_FOUND );
1972 return INVALID_HANDLE_VALUE;
1973 }
1974
1975 if (!(info = HeapAlloc( GetProcessHeap(), 0, sizeof(*info))))
1976 {
1977 SetLastError( ERROR_NOT_ENOUGH_MEMORY );
1978 goto error;
1979 }
1980
1981 if (!mask && (device = RtlIsDosDeviceName_U( filename )))
1982 {
1983 static const WCHAR dotW[] = {'.',0};
1984 WCHAR *dir = NULL;
1985
1986 /* we still need to check that the directory can be opened */
1987
1988 if (HIWORD(device))
1989 {
1990 if (!(dir = HeapAlloc( GetProcessHeap(), 0, HIWORD(device) + sizeof(WCHAR) )))
1991 {
1992 SetLastError( ERROR_NOT_ENOUGH_MEMORY );
1993 goto error;
1994 }
1995 memcpy( dir, filename, HIWORD(device) );
1996 dir[HIWORD(device)/sizeof(WCHAR)] = 0;
1997 }
1998 RtlFreeUnicodeString( &nt_name );
1999 if (!RtlDosPathNameToNtPathName_U( dir ? dir : dotW, &nt_name, &mask, NULL ))
2000 {
2001 HeapFree( GetProcessHeap(), 0, dir );
2002 SetLastError( ERROR_PATH_NOT_FOUND );
2003 goto error;
2004 }
2005 HeapFree( GetProcessHeap(), 0, dir );
2006 RtlInitUnicodeString( &info->mask, NULL );
2007 }
2008 else if (!mask || !*mask)
2009 {
2010 SetLastError( ERROR_FILE_NOT_FOUND );
2011 goto error;
2012 }
2013 else
2014 {
2015 if (!RtlCreateUnicodeString( &info->mask, mask ))
2016 {
2017 SetLastError( ERROR_NOT_ENOUGH_MEMORY );
2018 goto error;
2019 }
2020
2021 /* truncate dir name before mask */
2022 *mask = 0;
2023 nt_name.Length = (mask - nt_name.Buffer) * sizeof(WCHAR);
2024 }
2025
2026 /* check if path is the root of the drive */
2027 info->is_root = FALSE;
2028 p = nt_name.Buffer + 4; /* skip \??\ prefix */
2029 if (p[0] && p[1] == ':')
2030 {
2031 p += 2;
2032 while (*p == '\\') p++;
2033 info->is_root = (*p == 0);
2034 }
2035
2036 attr.Length = sizeof(attr);
2037 attr.RootDirectory = 0;
2038 attr.Attributes = OBJ_CASE_INSENSITIVE;
2039 attr.ObjectName = &nt_name;
2040 attr.SecurityDescriptor = NULL;
2041 attr.SecurityQualityOfService = NULL;
2042
2043 status = NtOpenFile( &info->handle, GENERIC_READ | SYNCHRONIZE, &attr, &io,
2044 FILE_SHARE_READ | FILE_SHARE_WRITE,
2045 FILE_DIRECTORY_FILE | FILE_SYNCHRONOUS_IO_NONALERT );
2046
2047 if (status != STATUS_SUCCESS)
2048 {
2049 RtlFreeUnicodeString( &info->mask );
2050 if (status == STATUS_OBJECT_NAME_NOT_FOUND)
2051 SetLastError( ERROR_PATH_NOT_FOUND );
2052 else
2053 SetLastError( RtlNtStatusToDosError(status) );
2054 goto error;
2055 }
2056
2057 RtlInitializeCriticalSection( &info->cs );
2058 info->cs.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": FIND_FIRST_INFO.cs");
2059 info->path = nt_name;
2060 info->magic = FIND_FIRST_MAGIC;
2061 info->data_pos = 0;
2062 info->data_len = 0;
2063 info->data_size = 0;
2064 info->data = NULL;
2065 info->search_op = search_op;
2066 info->level = level;
2067
2068 if (device)
2069 {
2070 WIN32_FIND_DATAW *wfd = data;
2071
2072 memset( wfd, 0, sizeof(*wfd) );
2073 memcpy( wfd->cFileName, filename + HIWORD(device)/sizeof(WCHAR), LOWORD(device) );
2074 wfd->dwFileAttributes = FILE_ATTRIBUTE_ARCHIVE;
2075 CloseHandle( info->handle );
2076 info->handle = 0;
2077 }
2078 else
2079 {
2080 BOOL has_wildcard = strpbrkW( info->mask.Buffer, wildcardsW ) != NULL;
2081
2082 info->data_size = has_wildcard ? 8192 : max_entry_size * 2;
2083
2084 while (info->data_size)
2085 {
2086 if (!(info->data = HeapAlloc( GetProcessHeap(), 0, info->data_size )))
2087 {
2088 FindClose( info );
2089 SetLastError( ERROR_NOT_ENOUGH_MEMORY );
2090 return INVALID_HANDLE_VALUE;
2091 }
2092
2093 status = NtQueryDirectoryFile( info->handle, 0, NULL, NULL, &io, info->data, info->data_size,
2094 FileBothDirectoryInformation, FALSE, &info->mask, TRUE );
2095 if (status)
2096 {
2097 FindClose( info );
2098 SetLastError( RtlNtStatusToDosError( status ) );
2099 return INVALID_HANDLE_VALUE;
2100 }
2101
2102 if (io.Information < info->data_size - max_entry_size)
2103 {
2104 info->data_size = 0; /* we read everything */
2105 }
2106 else if (info->data_size < 1024 * 1024)
2107 {
2108 HeapFree( GetProcessHeap(), 0, info->data );
2109 info->data_size *= 2;
2110 }
2111 else break;
2112 }
2113
2114 info->data_len = io.Information;
2115 if (!info->data_size && has_wildcard) /* release unused buffer space */
2116 HeapReAlloc( GetProcessHeap(), HEAP_REALLOC_IN_PLACE_ONLY, info->data, info->data_len );
2117
2118 if (!FindNextFileW( info, data ))
2119 {
2120 TRACE( "%s not found\n", debugstr_w(filename) );
2121 FindClose( info );
2122 SetLastError( ERROR_FILE_NOT_FOUND );
2123 return INVALID_HANDLE_VALUE;
2124 }
2125 if (!has_wildcard) /* we can't find two files with the same name */
2126 {
2127 CloseHandle( info->handle );
2128 HeapFree( GetProcessHeap(), 0, info->data );
2129 info->handle = 0;
2130 info->data = NULL;
2131 }
2132 }
2133 return info;
2134
2135 error:
2136 HeapFree( GetProcessHeap(), 0, info );
2137 RtlFreeUnicodeString( &nt_name );
2138 return INVALID_HANDLE_VALUE;
2139 }
2140
2141
2142 /*************************************************************************
2143 * FindNextFileW (KERNEL32.@)
2144 */
2145 BOOL WINAPI FindNextFileW( HANDLE handle, WIN32_FIND_DATAW *data )
2146 {
2147 FIND_FIRST_INFO *info;
2148 FILE_BOTH_DIR_INFORMATION *dir_info;
2149 BOOL ret = FALSE;
2150 NTSTATUS status;
2151
2152 TRACE("%p %p\n", handle, data);
2153
2154 if (!handle || handle == INVALID_HANDLE_VALUE)
2155 {
2156 SetLastError( ERROR_INVALID_HANDLE );
2157 return ret;
2158 }
2159 info = handle;
2160 if (info->magic != FIND_FIRST_MAGIC)
2161 {
2162 SetLastError( ERROR_INVALID_HANDLE );
2163 return ret;
2164 }
2165
2166 RtlEnterCriticalSection( &info->cs );
2167
2168 if (!info->handle) SetLastError( ERROR_NO_MORE_FILES );
2169 else for (;;)
2170 {
2171 if (info->data_pos >= info->data_len) /* need to read some more data */
2172 {
2173 IO_STATUS_BLOCK io;
2174
2175 if (info->data_size)
2176 status = NtQueryDirectoryFile( info->handle, 0, NULL, NULL, &io, info->data, info->data_size,
2177 FileBothDirectoryInformation, FALSE, &info->mask, FALSE );
2178 else
2179 status = STATUS_NO_MORE_FILES;
2180
2181 if (status)
2182 {
2183 SetLastError( RtlNtStatusToDosError( status ) );
2184 if (status == STATUS_NO_MORE_FILES)
2185 {
2186 CloseHandle( info->handle );
2187 HeapFree( GetProcessHeap(), 0, info->data );
2188 info->handle = 0;
2189 info->data = NULL;
2190 }
2191 break;
2192 }
2193 info->data_len = io.Information;
2194 info->data_pos = 0;
2195 }
2196
2197 dir_info = (FILE_BOTH_DIR_INFORMATION *)(info->data + info->data_pos);
2198
2199 if (dir_info->NextEntryOffset) info->data_pos += dir_info->NextEntryOffset;
2200 else info->data_pos = info->data_len;
2201
2202 /* don't return '.' and '..' in the root of the drive */
2203 if (info->is_root)
2204 {
2205 if (dir_info->FileNameLength == sizeof(WCHAR) && dir_info->FileName[0] == '.') continue;
2206 if (dir_info->FileNameLength == 2 * sizeof(WCHAR) &&
2207 dir_info->FileName[0] == '.' && dir_info->FileName[1] == '.') continue;
2208 }
2209
2210 /* check for dir symlink */
2211 if ((dir_info->FileAttributes & FILE_ATTRIBUTE_DIRECTORY) &&
2212 (dir_info->FileAttributes & FILE_ATTRIBUTE_REPARSE_POINT) &&
2213 strpbrkW( info->mask.Buffer, wildcardsW ))
2214 {
2215 if (!check_dir_symlink( info, dir_info )) continue;
2216 }
2217
2218 data->dwFileAttributes = dir_info->FileAttributes;
2219 data->ftCreationTime = *(FILETIME *)&dir_info->CreationTime;
2220 data->ftLastAccessTime = *(FILETIME *)&dir_info->LastAccessTime;
2221 data->ftLastWriteTime = *(FILETIME *)&dir_info->LastWriteTime;
2222 data->nFileSizeHigh = dir_info->EndOfFile.QuadPart >> 32;
2223 data->nFileSizeLow = (DWORD)dir_info->EndOfFile.QuadPart;
2224 data->dwReserved0 = 0;
2225 data->dwReserved1 = 0;
2226
2227 memcpy( data->cFileName, dir_info->FileName, dir_info->FileNameLength );
2228 data->cFileName[dir_info->FileNameLength/sizeof(WCHAR)] = 0;
2229
2230 if (info->level != FindExInfoBasic)
2231 {
2232 memcpy( data->cAlternateFileName, dir_info->ShortName, dir_info->ShortNameLength );
2233 data->cAlternateFileName[dir_info->ShortNameLength/sizeof(WCHAR)] = 0;
2234 }
2235 else
2236 data->cAlternateFileName[0] = 0;
2237
2238 TRACE("returning %s (%s)\n",
2239 debugstr_w(data->cFileName), debugstr_w(data->cAlternateFileName) );
2240
2241 ret = TRUE;
2242 break;
2243 }
2244
2245 RtlLeaveCriticalSection( &info->cs );
2246 return ret;
2247 }
2248
2249
2250 /*************************************************************************
2251 * FindClose (KERNEL32.@)
2252 */
2253 BOOL WINAPI FindClose( HANDLE handle )
2254 {
2255 FIND_FIRST_INFO *info = handle;
2256
2257 if (!handle || handle == INVALID_HANDLE_VALUE)
2258 {
2259 SetLastError( ERROR_INVALID_HANDLE );
2260 return FALSE;
2261 }
2262
2263 __TRY
2264 {
2265 if (info->magic == FIND_FIRST_MAGIC)
2266 {
2267 RtlEnterCriticalSection( &info->cs );
2268 if (info->magic == FIND_FIRST_MAGIC) /* in case someone else freed it in the meantime */
2269 {
2270 info->magic = 0;
2271 if (info->handle) CloseHandle( info->handle );
2272 info->handle = 0;
2273 RtlFreeUnicodeString( &info->mask );
2274 info->mask.Buffer = NULL;
2275 RtlFreeUnicodeString( &info->path );
2276 info->data_pos = 0;
2277 info->data_len = 0;
2278 HeapFree( GetProcessHeap(), 0, info->data );
2279 RtlLeaveCriticalSection( &info->cs );
2280 info->cs.DebugInfo->Spare[0] = 0;
2281 RtlDeleteCriticalSection( &info->cs );
2282 HeapFree( GetProcessHeap(), 0, info );
2283 }
2284 }
2285 }
2286 __EXCEPT_PAGE_FAULT
2287 {
2288 WARN("Illegal handle %p\n", handle);
2289 SetLastError( ERROR_INVALID_HANDLE );
2290 return FALSE;
2291 }
2292 __ENDTRY
2293
2294 return TRUE;
2295 }
2296
2297
2298 /*************************************************************************
2299 * FindFirstFileA (KERNEL32.@)
2300 */
2301 HANDLE WINAPI FindFirstFileA( LPCSTR lpFileName, WIN32_FIND_DATAA *lpFindData )
2302 {
2303 return FindFirstFileExA(lpFileName, FindExInfoStandard, lpFindData,
2304 FindExSearchNameMatch, NULL, 0);
2305 }
2306
2307 /*************************************************************************
2308 * FindFirstFileExA (KERNEL32.@)
2309 */
2310 HANDLE WINAPI FindFirstFileExA( LPCSTR lpFileName, FINDEX_INFO_LEVELS fInfoLevelId,
2311 LPVOID lpFindFileData, FINDEX_SEARCH_OPS fSearchOp,
2312 LPVOID lpSearchFilter, DWORD dwAdditionalFlags)
2313 {
2314 HANDLE handle;
2315 WIN32_FIND_DATAA *dataA;
2316 WIN32_FIND_DATAW dataW;
2317 WCHAR *nameW;
2318
2319 if (!(nameW = FILE_name_AtoW( lpFileName, FALSE ))) return INVALID_HANDLE_VALUE;
2320
2321 handle = FindFirstFileExW(nameW, fInfoLevelId, &dataW, fSearchOp, lpSearchFilter, dwAdditionalFlags);
2322 if (handle == INVALID_HANDLE_VALUE) return handle;
2323
2324 dataA = lpFindFileData;
2325 dataA->dwFileAttributes = dataW.dwFileAttributes;
2326 dataA->ftCreationTime = dataW.ftCreationTime;
2327 dataA->ftLastAccessTime = dataW.ftLastAccessTime;
2328 dataA->ftLastWriteTime = dataW.ftLastWriteTime;
2329 dataA->nFileSizeHigh = dataW.nFileSizeHigh;
2330 dataA->nFileSizeLow = dataW.nFileSizeLow;
2331 FILE_name_WtoA( dataW.cFileName, -1, dataA->cFileName, sizeof(dataA->cFileName) );
2332 FILE_name_WtoA( dataW.cAlternateFileName, -1, dataA->cAlternateFileName,
2333 sizeof(dataA->cAlternateFileName) );
2334 return handle;
2335 }
2336
2337
2338 /*************************************************************************
2339 * FindFirstFileW (KERNEL32.@)
2340 */
2341 HANDLE WINAPI FindFirstFileW( LPCWSTR lpFileName, WIN32_FIND_DATAW *lpFindData )
2342 {
2343 return FindFirstFileExW(lpFileName, FindExInfoStandard, lpFindData,
2344 FindExSearchNameMatch, NULL, 0);
2345 }
2346
2347
2348 /*************************************************************************
2349 * FindNextFileA (KERNEL32.@)
2350 */
2351 BOOL WINAPI FindNextFileA( HANDLE handle, WIN32_FIND_DATAA *data )
2352 {
2353 WIN32_FIND_DATAW dataW;
2354
2355 if (!FindNextFileW( handle, &dataW )) return FALSE;
2356 data->dwFileAttributes = dataW.dwFileAttributes;
2357 data->ftCreationTime = dataW.ftCreationTime;
2358 data->ftLastAccessTime = dataW.ftLastAccessTime;
2359 data->ftLastWriteTime = dataW.ftLastWriteTime;
2360 data->nFileSizeHigh = dataW.nFileSizeHigh;
2361 data->nFileSizeLow = dataW.nFileSizeLow;
2362 FILE_name_WtoA( dataW.cFileName, -1, data->cFileName, sizeof(data->cFileName) );
2363 FILE_name_WtoA( dataW.cAlternateFileName, -1, data->cAlternateFileName,
2364 sizeof(data->cAlternateFileName) );
2365 return TRUE;
2366 }
2367
2368
2369 /**************************************************************************
2370 * GetFileAttributesW (KERNEL32.@)
2371 */
2372 DWORD WINAPI GetFileAttributesW( LPCWSTR name )
2373 {
2374 FILE_BASIC_INFORMATION info;
2375 UNICODE_STRING nt_name;
2376 OBJECT_ATTRIBUTES attr;
2377 NTSTATUS status;
2378
2379 TRACE("%s\n", debugstr_w(name));
2380
2381 if (!RtlDosPathNameToNtPathName_U( name, &nt_name, NULL, NULL ))
2382 {
2383 SetLastError( ERROR_PATH_NOT_FOUND );
2384 return INVALID_FILE_ATTRIBUTES;
2385 }
2386
2387 attr.Length = sizeof(attr);
2388 attr.RootDirectory = 0;
2389 attr.Attributes = OBJ_CASE_INSENSITIVE;
2390 attr.ObjectName = &nt_name;
2391 attr.SecurityDescriptor = NULL;
2392 attr.SecurityQualityOfService = NULL;
2393
2394 status = NtQueryAttributesFile( &attr, &info );
2395 RtlFreeUnicodeString( &nt_name );
2396
2397 if (status == STATUS_SUCCESS) return info.FileAttributes;
2398
2399 /* NtQueryAttributesFile fails on devices, but GetFileAttributesW succeeds */
2400 if (RtlIsDosDeviceName_U( name )) return FILE_ATTRIBUTE_ARCHIVE;
2401
2402 SetLastError( RtlNtStatusToDosError(status) );
2403 return INVALID_FILE_ATTRIBUTES;
2404 }
2405
2406
2407 /**************************************************************************
2408 * GetFileAttributesA (KERNEL32.@)
2409 */
2410 DWORD WINAPI GetFileAttributesA( LPCSTR name )
2411 {
2412 WCHAR *nameW;
2413
2414 if (!(nameW = FILE_name_AtoW( name, FALSE ))) return INVALID_FILE_ATTRIBUTES;
2415 return GetFileAttributesW( nameW );
2416 }
2417
2418
2419 /**************************************************************************
2420 * SetFileAttributesW (KERNEL32.@)
2421 */
2422 BOOL WINAPI SetFileAttributesW( LPCWSTR name, DWORD attributes )
2423 {
2424 UNICODE_STRING nt_name;
2425 OBJECT_ATTRIBUTES attr;
2426 IO_STATUS_BLOCK io;
2427 NTSTATUS status;
2428 HANDLE handle;
2429
2430 TRACE("%s %x\n", debugstr_w(name), attributes);
2431
2432 if (!RtlDosPathNameToNtPathName_U( name, &nt_name, NULL, NULL ))
2433 {
2434 SetLastError( ERROR_PATH_NOT_FOUND );
2435 return FALSE;
2436 }
2437
2438 attr.Length = sizeof(attr);
2439 attr.RootDirectory = 0;
2440 attr.Attributes = OBJ_CASE_INSENSITIVE;
2441 attr.ObjectName = &nt_name;
2442 attr.SecurityDescriptor = NULL;
2443 attr.SecurityQualityOfService = NULL;
2444
2445 status = NtOpenFile( &handle, SYNCHRONIZE, &attr, &io, 0, FILE_SYNCHRONOUS_IO_NONALERT );
2446 RtlFreeUnicodeString( &nt_name );
2447
2448 if (status == STATUS_SUCCESS)
2449 {
2450 FILE_BASIC_INFORMATION info;
2451
2452 memset( &info, 0, sizeof(info) );
2453 info.FileAttributes = attributes | FILE_ATTRIBUTE_NORMAL; /* make sure it's not zero */
2454 status = NtSetInformationFile( handle, &io, &info, sizeof(info), FileBasicInformation );
2455 NtClose( handle );
2456 }
2457
2458 if (status == STATUS_SUCCESS) return TRUE;
2459 SetLastError( RtlNtStatusToDosError(status) );
2460 return FALSE;
2461 }
2462
2463
2464 /**************************************************************************
2465 * SetFileAttributesA (KERNEL32.@)
2466 */
2467 BOOL WINAPI SetFileAttributesA( LPCSTR name, DWORD attributes )
2468 {
2469 WCHAR *nameW;
2470
2471 if (!(nameW = FILE_name_AtoW( name, FALSE ))) return FALSE;
2472 return SetFileAttributesW( nameW, attributes );
2473 }
2474
2475
2476 /**************************************************************************
2477 * GetFileAttributesExW (KERNEL32.@)
2478 */
2479 BOOL WINAPI GetFileAttributesExW( LPCWSTR name, GET_FILEEX_INFO_LEVELS level, LPVOID ptr )
2480 {
2481 FILE_NETWORK_OPEN_INFORMATION info;
2482 WIN32_FILE_ATTRIBUTE_DATA *data = ptr;
2483 UNICODE_STRING nt_name;
2484 OBJECT_ATTRIBUTES attr;
2485 NTSTATUS status;
2486
2487 TRACE("%s %d %p\n", debugstr_w(name), level, ptr);
2488
2489 if (level != GetFileExInfoStandard)
2490 {
2491 SetLastError( ERROR_INVALID_PARAMETER );
2492 return FALSE;
2493 }
2494
2495 if (!RtlDosPathNameToNtPathName_U( name, &nt_name, NULL, NULL ))
2496 {
2497 SetLastError( ERROR_PATH_NOT_FOUND );
2498 return FALSE;
2499 }
2500
2501 attr.Length = sizeof(attr);
2502 attr.RootDirectory = 0;
2503 attr.Attributes = OBJ_CASE_INSENSITIVE;
2504 attr.ObjectName = &nt_name;
2505 attr.SecurityDescriptor = NULL;
2506 attr.SecurityQualityOfService = NULL;
2507
2508 status = NtQueryFullAttributesFile( &attr, &info );
2509 RtlFreeUnicodeString( &nt_name );
2510
2511 if (status != STATUS_SUCCESS)
2512 {
2513 SetLastError( RtlNtStatusToDosError(status) );
2514 return FALSE;
2515 }
2516
2517 data->dwFileAttributes = info.FileAttributes;
2518 data->ftCreationTime.dwLowDateTime = info.CreationTime.u.LowPart;
2519 data->ftCreationTime.dwHighDateTime = info.CreationTime.u.HighPart;
2520 data->ftLastAccessTime.dwLowDateTime = info.LastAccessTime.u.LowPart;
2521 data->ftLastAccessTime.dwHighDateTime = info.LastAccessTime.u.HighPart;
2522 data->ftLastWriteTime.dwLowDateTime = info.LastWriteTime.u.LowPart;
2523 data->ftLastWriteTime.dwHighDateTime = info.LastWriteTime.u.HighPart;
2524 data->nFileSizeLow = info.EndOfFile.u.LowPart;
2525 data->nFileSizeHigh = info.EndOfFile.u.HighPart;
2526 return TRUE;
2527 }
2528
2529
2530 /**************************************************************************
2531 * GetFileAttributesExA (KERNEL32.@)
2532 */
2533 BOOL WINAPI GetFileAttributesExA( LPCSTR name, GET_FILEEX_INFO_LEVELS level, LPVOID ptr )
2534 {
2535 WCHAR *nameW;
2536
2537 if (!(nameW = FILE_name_AtoW( name, FALSE ))) return FALSE;
2538 return GetFileAttributesExW( nameW, level, ptr );
2539 }
2540
2541
2542 /******************************************************************************
2543 * GetCompressedFileSizeW (KERNEL32.@)
2544 *
2545 * Get the actual number of bytes used on disk.
2546 *
2547 * RETURNS
2548 * Success: Low-order doubleword of number of bytes
2549 * Failure: INVALID_FILE_SIZE
2550 */
2551 DWORD WINAPI GetCompressedFileSizeW(
2552 LPCWSTR name, /* [in] Pointer to name of file */
2553 LPDWORD size_high ) /* [out] Receives high-order doubleword of size */
2554 {
2555 UNICODE_STRING nt_name;
2556 OBJECT_ATTRIBUTES attr;
2557 IO_STATUS_BLOCK io;
2558 NTSTATUS status;
2559 HANDLE handle;
2560 DWORD ret = INVALID_FILE_SIZE;
2561
2562 TRACE("%s %p\n", debugstr_w(name), size_high);
2563
2564 if (!RtlDosPathNameToNtPathName_U( name, &nt_name, NULL, NULL ))
2565 {
2566 SetLastError( ERROR_PATH_NOT_FOUND );
2567 return INVALID_FILE_SIZE;
2568 }
2569
2570 attr.Length = sizeof(attr);
2571 attr.RootDirectory = 0;
2572 attr.Attributes = OBJ_CASE_INSENSITIVE;
2573 attr.ObjectName = &nt_name;
2574 attr.SecurityDescriptor = NULL;
2575 attr.SecurityQualityOfService = NULL;
2576
2577 status = NtOpenFile( &handle, SYNCHRONIZE, &attr, &io, 0, FILE_SYNCHRONOUS_IO_NONALERT );
2578 RtlFreeUnicodeString( &nt_name );
2579
2580 if (status == STATUS_SUCCESS)
2581 {
2582 /* we don't support compressed files, simply return the file size */
2583 ret = GetFileSize( handle, size_high );
2584 NtClose( handle );
2585 }
2586 else SetLastError( RtlNtStatusToDosError(status) );
2587
2588 return ret;
2589 }
2590
2591
2592 /******************************************************************************
2593 * GetCompressedFileSizeA (KERNEL32.@)
2594 *
2595 * See GetCompressedFileSizeW.
2596 */
2597 DWORD WINAPI GetCompressedFileSizeA( LPCSTR name, LPDWORD size_high )
2598 {
2599 WCHAR *nameW;
2600
2601 if (!(nameW = FILE_name_AtoW( name, FALSE ))) return INVALID_FILE_SIZE;
2602 return GetCompressedFileSizeW( nameW, size_high );
2603 }
2604
2605
2606 /***********************************************************************
2607 * OpenVxDHandle (KERNEL32.@)
2608 *
2609 * This function is supposed to return the corresponding Ring 0
2610 * ("kernel") handle for a Ring 3 handle in Win9x.
2611 * Evidently, Wine will have problems with this. But we try anyway,
2612 * maybe it helps...
2613 */
2614 HANDLE WINAPI OpenVxDHandle(HANDLE hHandleRing3)
2615 {
2616 FIXME( "(%p), stub! (returning Ring 3 handle instead of Ring 0)\n", hHandleRing3);
2617 return hHandleRing3;
2618 }
2619
2620
2621 /****************************************************************************
2622 * DeviceIoControl (KERNEL32.@)
2623 */
2624 BOOL WINAPI DeviceIoControl(HANDLE hDevice, DWORD dwIoControlCode,
2625 LPVOID lpvInBuffer, DWORD cbInBuffer,
2626 LPVOID lpvOutBuffer, DWORD cbOutBuffer,
2627 LPDWORD lpcbBytesReturned,
2628 LPOVERLAPPED lpOverlapped)
2629 {
2630 NTSTATUS status;
2631
2632 TRACE( "(%p,%x,%p,%d,%p,%d,%p,%p)\n",
2633 hDevice,dwIoControlCode,lpvInBuffer,cbInBuffer,
2634 lpvOutBuffer,cbOutBuffer,lpcbBytesReturned,lpOverlapped );
2635
2636 /* Check if this is a user defined control code for a VxD */
2637
2638 if (HIWORD( dwIoControlCode ) == 0 && (GetVersion() & 0x80000000))
2639 {
2640 typedef BOOL (WINAPI *DeviceIoProc)(DWORD, LPVOID, DWORD, LPVOID, DWORD, LPDWORD, LPOVERLAPPED);
2641 static DeviceIoProc (*vxd_get_proc)(HANDLE);
2642 DeviceIoProc proc = NULL;
2643
2644 if (!vxd_get_proc) vxd_get_proc = (void *)GetProcAddress( GetModuleHandleA("krnl386.exe16"),
2645 "__wine_vxd_get_proc" );
2646 if (vxd_get_proc) proc = vxd_get_proc( hDevice );
2647 if (proc) return proc( dwIoControlCode, lpvInBuffer, cbInBuffer,
2648 lpvOutBuffer, cbOutBuffer, lpcbBytesReturned, lpOverlapped );
2649 }
2650
2651 /* Not a VxD, let ntdll handle it */
2652
2653 if (lpOverlapped)
2654 {
2655 LPVOID cvalue = ((ULONG_PTR)lpOverlapped->hEvent & 1) ? NULL : lpOverlapped;
2656 lpOverlapped->Internal = STATUS_PENDING;
2657 lpOverlapped->InternalHigh = 0;
2658 if (HIWORD(dwIoControlCode) == FILE_DEVICE_FILE_SYSTEM)
2659 status = NtFsControlFile(hDevice, lpOverlapped->hEvent,
2660 NULL, cvalue, (PIO_STATUS_BLOCK)lpOverlapped,
2661 dwIoControlCode, lpvInBuffer, cbInBuffer,
2662 lpvOutBuffer, cbOutBuffer);
2663 else
2664 status = NtDeviceIoControlFile(hDevice, lpOverlapped->hEvent,
2665 NULL, cvalue, (PIO_STATUS_BLOCK)lpOverlapped,
2666 dwIoControlCode, lpvInBuffer, cbInBuffer,
2667 lpvOutBuffer, cbOutBuffer);
2668 if (lpcbBytesReturned) *lpcbBytesReturned = lpOverlapped->InternalHigh;
2669 }
2670 else
2671 {
2672 IO_STATUS_BLOCK iosb;
2673
2674 if (HIWORD(dwIoControlCode) == FILE_DEVICE_FILE_SYSTEM)
2675 status = NtFsControlFile(hDevice, NULL, NULL, NULL, &iosb,
2676 dwIoControlCode, lpvInBuffer, cbInBuffer,
2677 lpvOutBuffer, cbOutBuffer);
2678 else
2679 status = NtDeviceIoControlFile(hDevice, NULL, NULL, NULL, &iosb,
2680 dwIoControlCode, lpvInBuffer, cbInBuffer,
2681 lpvOutBuffer, cbOutBuffer);
2682 if (lpcbBytesReturned) *lpcbBytesReturned = iosb.Information;
2683 }
2684 if (status) SetLastError( RtlNtStatusToDosError(status) );
2685 return !status;
2686 }
2687
2688
2689 /***********************************************************************
2690 * OpenFile (KERNEL32.@)
2691 */
2692 HFILE WINAPI OpenFile( LPCSTR name, OFSTRUCT *ofs, UINT mode )
2693 {
2694 HANDLE handle;
2695 FILETIME filetime;
2696 WORD filedatetime[2];
2697
2698 if (!ofs) return HFILE_ERROR;
2699
2700 TRACE("%s %s %s %s%s%s%s%s%s%s%s%s\n",name,
2701 ((mode & 0x3 )==OF_READ)?"OF_READ":
2702 ((mode & 0x3 )==OF_WRITE)?"OF_WRITE":
2703 ((mode & 0x3 )==OF_READWRITE)?"OF_READWRITE":"unknown",
2704 ((mode & 0x70 )==OF_SHARE_COMPAT)?"OF_SHARE_COMPAT":
2705 ((mode & 0x70 )==OF_SHARE_DENY_NONE)?"OF_SHARE_DENY_NONE":
2706 ((mode & 0x70 )==OF_SHARE_DENY_READ)?"OF_SHARE_DENY_READ":
2707 ((mode & 0x70 )==OF_SHARE_DENY_WRITE)?"OF_SHARE_DENY_WRITE":
2708 ((mode & 0x70 )==OF_SHARE_EXCLUSIVE)?"OF_SHARE_EXCLUSIVE":"unknown",
2709 ((mode & OF_PARSE )==OF_PARSE)?"OF_PARSE ":"",
2710 ((mode & OF_DELETE )==OF_DELETE)?"OF_DELETE ":"",
2711 ((mode & OF_VERIFY )==OF_VERIFY)?"OF_VERIFY ":"",
2712 ((mode & OF_SEARCH )==OF_SEARCH)?"OF_SEARCH ":"",
2713 ((mode & OF_CANCEL )==OF_CANCEL)?"OF_CANCEL ":"",
2714 ((mode & OF_CREATE )==OF_CREATE)?"OF_CREATE ":"",
2715 ((mode & OF_PROMPT )==OF_PROMPT)?"OF_PROMPT ":"",
2716 ((mode & OF_EXIST )==OF_EXIST)?"OF_EXIST ":"",
2717 ((mode & OF_REOPEN )==OF_REOPEN)?"OF_REOPEN ":""
2718 );
2719
2720
2721 ofs->cBytes = sizeof(OFSTRUCT);
2722 ofs->nErrCode = 0;
2723 if (mode & OF_REOPEN) name = ofs->szPathName;
2724
2725 if (!name) return HFILE_ERROR;
2726
2727 TRACE("%s %04x\n", name, mode );
2728
2729 /* the watcom 10.6 IDE relies on a valid path returned in ofs->szPathName
2730 Are there any cases where getting the path here is wrong?
2731 Uwe Bonnes 1997 Apr 2 */
2732 if (!GetFullPathNameA( name, sizeof(ofs->szPathName), ofs->szPathName, NULL )) goto error;
2733
2734 /* OF_PARSE simply fills the structure */
2735
2736 if (mode & OF_PARSE)
2737 {
2738 ofs->fFixedDisk = (GetDriveTypeA( ofs->szPathName ) != DRIVE_REMOVABLE);
2739 TRACE("(%s): OF_PARSE, res = '%s'\n", name, ofs->szPathName );
2740 return 0;
2741 }
2742
2743 /* OF_CREATE is completely different from all other options, so
2744 handle it first */
2745
2746 if (mode & OF_CREATE)
2747 {
2748 if ((handle = create_file_OF( name, mode )) == INVALID_HANDLE_VALUE)
2749 goto error;
2750 }
2751 else
2752 {
2753 /* Now look for the file */
2754
2755 if (!SearchPathA( NULL, name, NULL, sizeof(ofs->szPathName), ofs->szPathName, NULL ))
2756 goto error;
2757
2758 TRACE("found %s\n", debugstr_a(ofs->szPathName) );
2759
2760 if (mode & OF_DELETE)
2761 {
2762 if (!DeleteFileA( ofs->szPathName )) goto error;
2763 TRACE("(%s): OF_DELETE return = OK\n", name);
2764 return TRUE;
2765 }
2766
2767 handle = LongToHandle(_lopen( ofs->szPathName, mode ));
2768 if (handle == INVALID_HANDLE_VALUE) goto error;
2769
2770 GetFileTime( handle, NULL, NULL, &filetime );
2771 FileTimeToDosDateTime( &filetime, &filedatetime[0], &filedatetime[1] );
2772 if ((mode & OF_VERIFY) && (mode & OF_REOPEN))
2773 {
2774 if (ofs->Reserved1 != filedatetime[0] || ofs->Reserved2 != filedatetime[1] )
2775 {
2776 CloseHandle( handle );
2777 WARN("(%s): OF_VERIFY failed\n", name );
2778 /* FIXME: what error here? */
2779 SetLastError( ERROR_FILE_NOT_FOUND );
2780 goto error;
2781 }
2782 }
2783 ofs->Reserved1 = filedatetime[0];
2784 ofs->Reserved2 = filedatetime[1];
2785 }
2786 TRACE("(%s): OK, return = %p\n", name, handle );
2787 if (mode & OF_EXIST) /* Return TRUE instead of a handle */
2788 {
2789 CloseHandle( handle );
2790 return TRUE;
2791 }
2792 return HandleToLong(handle);
2793
2794 error: /* We get here if there was an error opening the file */
2795 ofs->nErrCode = GetLastError();
2796 WARN("(%s): return = HFILE_ERROR error= %d\n", name,ofs->nErrCode );
2797 return HFILE_ERROR;
2798 }
2799
2800
2801 /***********************************************************************
2802 * OpenFileById (KERNEL32.@)
2803 */
2804 HANDLE WINAPI OpenFileById( HANDLE handle, LPFILE_ID_DESCRIPTOR id, DWORD access,
2805 DWORD share, LPSECURITY_ATTRIBUTES sec_attr, DWORD flags )
2806 {
2807 UINT options;
2808 HANDLE result;
2809 OBJECT_ATTRIBUTES attr;
2810 NTSTATUS status;
2811 IO_STATUS_BLOCK io;
2812 UNICODE_STRING objectName;
2813
2814 if (!id)
2815 {
2816 SetLastError( ERROR_INVALID_PARAMETER );
2817 return INVALID_HANDLE_VALUE;
2818 }
2819
2820 options = FILE_OPEN_BY_FILE_ID;
2821 if (flags & FILE_FLAG_BACKUP_SEMANTICS)
2822 options |= FILE_OPEN_FOR_BACKUP_INTENT;
2823 else
2824 options |= FILE_NON_DIRECTORY_FILE;
2825 if (flags & FILE_FLAG_NO_BUFFERING) options |= FILE_NO_INTERMEDIATE_BUFFERING;
2826 if (!(flags & FILE_FLAG_OVERLAPPED)) options |= FILE_SYNCHRONOUS_IO_NONALERT;
2827 if (flags & FILE_FLAG_RANDOM_ACCESS) options |= FILE_RANDOM_ACCESS;
2828 flags &= FILE_ATTRIBUTE_VALID_FLAGS;
2829
2830 objectName.Length = sizeof(ULONGLONG);
2831 objectName.Buffer = (WCHAR *)&id->u.FileId;
2832 attr.Length = sizeof(attr);
2833 attr.RootDirectory = handle;
2834 attr.Attributes = 0;
2835 attr.ObjectName = &objectName;
2836 attr.SecurityDescriptor = sec_attr ? sec_attr->lpSecurityDescriptor : NULL;
2837 attr.SecurityQualityOfService = NULL;
2838 if (sec_attr && sec_attr->bInheritHandle) attr.Attributes |= OBJ_INHERIT;
2839
2840 status = NtCreateFile( &result, access | SYNCHRONIZE, &attr, &io, NULL, flags,
2841 share, OPEN_EXISTING, options, NULL, 0 );
2842 if (status != STATUS_SUCCESS)
2843 {
2844 SetLastError( RtlNtStatusToDosError( status ) );
2845 return INVALID_HANDLE_VALUE;
2846 }
2847 return result;
2848 }
2849
2850
2851 /***********************************************************************
2852 * K32EnumDeviceDrivers (KERNEL32.@)
2853 */
2854 BOOL WINAPI K32EnumDeviceDrivers(void **image_base, DWORD cb, DWORD *needed)
2855 {
2856 FIXME("(%p, %d, %p): stub\n", image_base, cb, needed);
2857
2858 if (needed)
2859 *needed = 0;
2860
2861 return TRUE;
2862 }
2863
2864 /***********************************************************************
2865 * K32GetDeviceDriverBaseNameA (KERNEL32.@)
2866 */
2867 DWORD WINAPI K32GetDeviceDriverBaseNameA(void *image_base, LPSTR base_name, DWORD size)
2868 {
2869 FIXME("(%p, %p, %d): stub\n", image_base, base_name, size);
2870
2871 if (base_name && size)
2872 base_name[0] = '\0';
2873
2874 return 0;
2875 }
2876
2877 /***********************************************************************
2878 * K32GetDeviceDriverBaseNameW (KERNEL32.@)
2879 */
2880 DWORD WINAPI K32GetDeviceDriverBaseNameW(void *image_base, LPWSTR base_name, DWORD size)
2881 {
2882 FIXME("(%p, %p, %d): stub\n", image_base, base_name, size);
2883
2884 if (base_name && size)
2885 base_name[0] = '\0';
2886
2887 return 0;
2888 }
2889
2890 /***********************************************************************
2891 * K32GetDeviceDriverFileNameA (KERNEL32.@)
2892 */
2893 DWORD WINAPI K32GetDeviceDriverFileNameA(void *image_base, LPSTR file_name, DWORD size)
2894 {
2895 FIXME("(%p, %p, %d): stub\n", image_base, file_name, size);
2896
2897 if (file_name && size)
2898 file_name[0] = '\0';
2899
2900 return 0;
2901 }
2902
2903 /***********************************************************************
2904 * K32GetDeviceDriverFileNameW (KERNEL32.@)
2905 */
2906 DWORD WINAPI K32GetDeviceDriverFileNameW(void *image_base, LPWSTR file_name, DWORD size)
2907 {
2908 FIXME("(%p, %p, %d): stub\n", image_base, file_name, size);
2909
2910 if (file_name && size)
2911 file_name[0] = '\0';
2912
2913 return 0;
2914 }
2915
2916 /***********************************************************************
2917 * GetFinalPathNameByHandleW (KERNEL32.@)
2918 */
2919 DWORD WINAPI GetFinalPathNameByHandleW(HANDLE file, LPWSTR path, DWORD charcount, DWORD flags)
2920 {
2921 WCHAR buffer[sizeof(OBJECT_NAME_INFORMATION) + MAX_PATH + 1];
2922 OBJECT_NAME_INFORMATION *info = (OBJECT_NAME_INFORMATION*)&buffer;
2923 WCHAR drive_part[MAX_PATH];
2924 DWORD drive_part_len = 0;
2925 NTSTATUS status;
2926 DWORD result = 0;
2927 ULONG dummy;
2928 WCHAR *ptr;
2929
2930 TRACE( "(%p,%p,%d,%x)\n", file, path, charcount, flags );
2931
2932 if (flags & ~(FILE_NAME_OPENED | VOLUME_NAME_GUID | VOLUME_NAME_NONE | VOLUME_NAME_NT))
2933 {
2934 WARN("Unknown flags: %x\n", flags);
2935 SetLastError( ERROR_INVALID_PARAMETER );
2936 return 0;
2937 }
2938
2939 /* get object name */
2940 status = NtQueryObject( file, ObjectNameInformation, &buffer, sizeof(buffer) - sizeof(WCHAR), &dummy );
2941 if (status != STATUS_SUCCESS)
2942 {
2943 SetLastError( RtlNtStatusToDosError( status ) );
2944 return 0;
2945 }
2946 if (!info->Name.Buffer)
2947 {
2948 SetLastError( ERROR_INVALID_HANDLE );
2949 return 0;
2950 }
2951 if (info->Name.Length < 4 * sizeof(WCHAR) || info->Name.Buffer[0] != '\\' ||
2952 info->Name.Buffer[1] != '?' || info->Name.Buffer[2] != '?' || info->Name.Buffer[3] != '\\' )
2953 {
2954 FIXME("Unexpected object name: %s\n", debugstr_wn(info->Name.Buffer, info->Name.Length / sizeof(WCHAR)));
2955 SetLastError( ERROR_GEN_FAILURE );
2956 return 0;
2957 }
2958
2959 /* add terminating null character, remove "\\??\\" */
2960 info->Name.Buffer[info->Name.Length / sizeof(WCHAR)] = 0;
2961 info->Name.Length -= 4 * sizeof(WCHAR);
2962 info->Name.Buffer += 4;
2963
2964 /* FILE_NAME_OPENED is not supported yet, and would require Wineserver changes */
2965 if (flags & FILE_NAME_OPENED)
2966 {
2967 FIXME("FILE_NAME_OPENED not supported\n");
2968 flags &= ~FILE_NAME_OPENED;
2969 }
2970
2971 /* Get information required for VOLUME_NAME_NONE, VOLUME_NAME_GUID and VOLUME_NAME_NT */
2972 if (flags == VOLUME_NAME_NONE || flags == VOLUME_NAME_GUID || flags == VOLUME_NAME_NT)
2973 {
2974 if (!GetVolumePathNameW( info->Name.Buffer, drive_part, MAX_PATH ))
2975 return 0;
2976
2977 drive_part_len = strlenW(drive_part);
2978 if (!drive_part_len || drive_part_len > strlenW(info->Name.Buffer) ||
2979 drive_part[drive_part_len-1] != '\\' ||
2980 strncmpiW( info->Name.Buffer, drive_part, drive_part_len ))
2981 {
2982 FIXME("Path %s returned by GetVolumePathNameW does not match file path %s\n",
2983 debugstr_w(drive_part), debugstr_w(info->Name.Buffer));
2984 SetLastError( ERROR_GEN_FAILURE );
2985 return 0;
2986 }
2987 }
2988
2989 if (flags == VOLUME_NAME_NONE)
2990 {
2991 ptr = info->Name.Buffer + drive_part_len - 1;
2992 result = strlenW(ptr);
2993 if (result < charcount)
2994 memcpy(path, ptr, (result + 1) * sizeof(WCHAR));
2995 else result++;
2996 }
2997 else if (flags == VOLUME_NAME_GUID)
2998 {
2999 WCHAR volume_prefix[51];
3000
3001 /* GetVolumeNameForVolumeMountPointW sets error code on failure */
3002 if (!GetVolumeNameForVolumeMountPointW( drive_part, volume_prefix, 50 ))
3003 return 0;
3004
3005 ptr = info->Name.Buffer + drive_part_len;
3006 result = strlenW(volume_prefix) + strlenW(ptr);
3007 if (result < charcount)
3008 {
3009 path[0] = 0;
3010 strcatW(path, volume_prefix);
3011 strcatW(path, ptr);
3012 }
3013 else
3014 {
3015 SetLastError(ERROR_NOT_ENOUGH_MEMORY);
3016 result++;
3017 }
3018 }
3019 else if (flags == VOLUME_NAME_NT)
3020 {
3021 WCHAR nt_prefix[MAX_PATH];
3022
3023 /* QueryDosDeviceW sets error code on failure */
3024 drive_part[drive_part_len - 1] = 0;
3025 if (!QueryDosDeviceW( drive_part, nt_prefix, MAX_PATH ))
3026 return 0;
3027
3028 ptr = info->Name.Buffer + drive_part_len - 1;
3029 result = strlenW(nt_prefix) + strlenW(ptr);
3030 if (result < charcount)
3031 {
3032 path[0] = 0;
3033 strcatW(path, nt_prefix);
3034 strcatW(path, ptr);
3035 }
3036 else
3037 {
3038 SetLastError(ERROR_NOT_ENOUGH_MEMORY);
3039 result++;
3040 }
3041 }
3042 else if (flags == VOLUME_NAME_DOS)
3043 {
3044 static const WCHAR dos_prefix[] = {'\\','\\','?','\\', '\0'};
3045
3046 result = strlenW(dos_prefix) + strlenW(info->Name.Buffer);
3047 if (result < charcount)
3048 {
3049 path[0] = 0;
3050 strcatW(path, dos_prefix);
3051 strcatW(path, info->Name.Buffer);
3052 }
3053 else
3054 {
3055 SetLastError(ERROR_NOT_ENOUGH_MEMORY);
3056 result++;
3057 }
3058 }
3059 else
3060 {
3061 /* Windows crashes here, but we prefer returning ERROR_INVALID_PARAMETER */
3062 WARN("Invalid combination of flags: %x\n", flags);
3063 SetLastError( ERROR_INVALID_PARAMETER );
3064 }
3065
3066 return result;
3067 }
3068
3069 /***********************************************************************
3070 * GetFinalPathNameByHandleA (KERNEL32.@)
3071 */
3072 DWORD WINAPI GetFinalPathNameByHandleA(HANDLE file, LPSTR path, DWORD charcount, DWORD flags)
3073 {
3074 WCHAR *str;
3075 DWORD result, len, cp;
3076
3077 TRACE( "(%p,%p,%d,%x)\n", file, path, charcount, flags);
3078
3079 len = GetFinalPathNameByHandleW(file, NULL, 0, flags);
3080 if (len == 0)
3081 return 0;
3082
3083 str = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
3084 if (!str)
3085 {
3086 SetLastError(ERROR_NOT_ENOUGH_MEMORY);
3087 return 0;
3088 }
3089
3090 result = GetFinalPathNameByHandleW(file, str, len, flags);
3091 if (result != len - 1)
3092 {
3093 HeapFree(GetProcessHeap(), 0, str);
3094 WARN("GetFinalPathNameByHandleW failed unexpectedly: %u\n", result);
3095 return 0;
3096 }
3097
3098 cp = oem_file_apis ? CP_OEMCP : CP_ACP;
3099
3100 len = WideCharToMultiByte(cp, 0, str, -1, NULL, 0, NULL, NULL);
3101 if (!len)
3102 {
3103 HeapFree(GetProcessHeap(), 0, str);
3104 WARN("Failed to get multibyte length\n");
3105 return 0;
3106 }
3107
3108 if (charcount < len)
3109 {
3110 HeapFree(GetProcessHeap(), 0, str);
3111 return len - 1;
3112 }
3113
3114 len = WideCharToMultiByte(cp, 0, str, -1, path, charcount, NULL, NULL);
3115 if (!len)
3116 {
3117 HeapFree(GetProcessHeap(), 0, str);
3118 WARN("WideCharToMultiByte failed\n");
3119 return 0;
3120 }
3121
3122 HeapFree(GetProcessHeap(), 0, str);
3123
3124 return len - 1;
3125 }
Windows API implementation