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Release 0.9.39.
[wine/gsoc-2012-control.git] / dlls / kernel32 / file.c
bloba3d6942a08742ef950e458fe903124d2ca80653c
1 /*
2 * File handling functions
3 *
4 * Copyright 1993 John Burton
5 * Copyright 1996, 2004 Alexandre Julliard
6 *
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
20 */
21
22 #include "config.h"
23 #include "wine/port.h"
24
25 #include <stdarg.h>
26 #include <stdio.h>
27 #include <errno.h>
28 #ifdef HAVE_SYS_STAT_H
29 # include <sys/stat.h>
30 #endif
31
32 #define NONAMELESSUNION
33 #define NONAMELESSSTRUCT
34 #include "winerror.h"
35 #include "ntstatus.h"
36 #define WIN32_NO_STATUS
37 #include "windef.h"
38 #include "winbase.h"
39 #include "winternl.h"
40 #include "winioctl.h"
41 #include "wincon.h"
42 #include "wine/winbase16.h"
43 #include "kernel_private.h"
44
45 #include "wine/exception.h"
46 #include "wine/unicode.h"
47 #include "wine/debug.h"
48 #include "thread.h"
49
50 WINE_DEFAULT_DEBUG_CHANNEL(file);
51
52 HANDLE dos_handles[DOS_TABLE_SIZE];
53
54 /* info structure for FindFirstFile handle */
55 typedef struct
56 {
57 DWORD magic; /* magic number */
58 HANDLE handle; /* handle to directory */
59 CRITICAL_SECTION cs; /* crit section protecting this structure */
60 FINDEX_SEARCH_OPS search_op; /* Flags 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 BYTE data[8192]; /* directory data */
67 } FIND_FIRST_INFO;
68
69 #define FIND_FIRST_MAGIC 0xc0ffee11
70
71 static BOOL oem_file_apis;
72
73 static const WCHAR wildcardsW[] = { '*','?',0 };
74
75 /***********************************************************************
76 * create_file_OF
77 *
78 * Wrapper for CreateFile that takes OF_* mode flags.
79 */
80 static HANDLE create_file_OF( LPCSTR path, INT mode )
81 {
82 DWORD access, sharing, creation;
83
84 if (mode & OF_CREATE)
85 {
86 creation = CREATE_ALWAYS;
87 access = GENERIC_READ | GENERIC_WRITE;
88 }
89 else
90 {
91 creation = OPEN_EXISTING;
92 switch(mode & 0x03)
93 {
94 case OF_READ: access = GENERIC_READ; break;
95 case OF_WRITE: access = GENERIC_WRITE; break;
96 case OF_READWRITE: access = GENERIC_READ | GENERIC_WRITE; break;
97 default: access = 0; break;
98 }
99 }
100
101 switch(mode & 0x70)
102 {
103 case OF_SHARE_EXCLUSIVE: sharing = 0; break;
104 case OF_SHARE_DENY_WRITE: sharing = FILE_SHARE_READ; break;
105 case OF_SHARE_DENY_READ: sharing = FILE_SHARE_WRITE; break;
106 case OF_SHARE_DENY_NONE:
107 case OF_SHARE_COMPAT:
108 default: sharing = FILE_SHARE_READ | FILE_SHARE_WRITE; break;
109 }
110 return CreateFileA( path, access, sharing, NULL, creation, FILE_ATTRIBUTE_NORMAL, 0 );
111 }
112
113
114 /***********************************************************************
115 * check_dir_symlink
116 *
117 * Check if a dir symlink should be returned by FindNextFile.
118 */
119 static BOOL check_dir_symlink( FIND_FIRST_INFO *info, const FILE_BOTH_DIR_INFORMATION *file_info )
120 {
121 UNICODE_STRING str;
122 ANSI_STRING unix_name;
123 struct stat st, parent_st;
124 BOOL ret = TRUE;
125 DWORD len;
126
127 str.MaximumLength = info->path.Length + sizeof(WCHAR) + file_info->FileNameLength;
128 if (!(str.Buffer = HeapAlloc( GetProcessHeap(), 0, str.MaximumLength ))) return TRUE;
129 memcpy( str.Buffer, info->path.Buffer, info->path.Length );
130 len = info->path.Length / sizeof(WCHAR);
131 if (!len || str.Buffer[len-1] != '\\') str.Buffer[len++] = '\\';
132 memcpy( str.Buffer + len, file_info->FileName, file_info->FileNameLength );
133 str.Length = len * sizeof(WCHAR) + file_info->FileNameLength;
134
135 unix_name.Buffer = NULL;
136 if (!wine_nt_to_unix_file_name( &str, &unix_name, OPEN_EXISTING, FALSE ) &&
137 !stat( unix_name.Buffer, &st ))
138 {
139 char *p = unix_name.Buffer + unix_name.Length - 1;
140
141 /* skip trailing slashes */
142 while (p > unix_name.Buffer && *p == '/') p--;
143
144 while (ret && p > unix_name.Buffer)
145 {
146 while (p > unix_name.Buffer && *p != '/') p--;
147 while (p > unix_name.Buffer && *p == '/') p--;
148 p[1] = 0;
149 if (!stat( unix_name.Buffer, &parent_st ) &&
150 parent_st.st_dev == st.st_dev &&
151 parent_st.st_ino == st.st_ino)
152 {
153 WARN( "suppressing dir symlink %s pointing to parent %s\n",
154 debugstr_wn( str.Buffer, str.Length/sizeof(WCHAR) ),
155 debugstr_a( unix_name.Buffer ));
156 ret = FALSE;
157 }
158 }
159 }
160 RtlFreeAnsiString( &unix_name );
161 RtlFreeUnicodeString( &str );
162 return ret;
163 }
164
165
166 /***********************************************************************
167 * FILE_SetDosError
168 *
169 * Set the DOS error code from errno.
170 */
171 void FILE_SetDosError(void)
172 {
173 int save_errno = errno; /* errno gets overwritten by printf */
174
175 TRACE("errno = %d %s\n", errno, strerror(errno));
176 switch (save_errno)
177 {
178 case EAGAIN:
179 SetLastError( ERROR_SHARING_VIOLATION );
180 break;
181 case EBADF:
182 SetLastError( ERROR_INVALID_HANDLE );
183 break;
184 case ENOSPC:
185 SetLastError( ERROR_HANDLE_DISK_FULL );
186 break;
187 case EACCES:
188 case EPERM:
189 case EROFS:
190 SetLastError( ERROR_ACCESS_DENIED );
191 break;
192 case EBUSY:
193 SetLastError( ERROR_LOCK_VIOLATION );
194 break;
195 case ENOENT:
196 SetLastError( ERROR_FILE_NOT_FOUND );
197 break;
198 case EISDIR:
199 SetLastError( ERROR_CANNOT_MAKE );
200 break;
201 case ENFILE:
202 case EMFILE:
203 SetLastError( ERROR_TOO_MANY_OPEN_FILES );
204 break;
205 case EEXIST:
206 SetLastError( ERROR_FILE_EXISTS );
207 break;
208 case EINVAL:
209 case ESPIPE:
210 SetLastError( ERROR_SEEK );
211 break;
212 case ENOTEMPTY:
213 SetLastError( ERROR_DIR_NOT_EMPTY );
214 break;
215 case ENOEXEC:
216 SetLastError( ERROR_BAD_FORMAT );
217 break;
218 case ENOTDIR:
219 SetLastError( ERROR_PATH_NOT_FOUND );
220 break;
221 case EXDEV:
222 SetLastError( ERROR_NOT_SAME_DEVICE );
223 break;
224 default:
225 WARN("unknown file error: %s\n", strerror(save_errno) );
226 SetLastError( ERROR_GEN_FAILURE );
227 break;
228 }
229 errno = save_errno;
230 }
231
232
233 /***********************************************************************
234 * FILE_name_AtoW
235 *
236 * Convert a file name to Unicode, taking into account the OEM/Ansi API mode.
237 *
238 * If alloc is FALSE uses the TEB static buffer, so it can only be used when
239 * there is no possibility for the function to do that twice, taking into
240 * account any called function.
241 */
242 WCHAR *FILE_name_AtoW( LPCSTR name, BOOL alloc )
243 {
244 ANSI_STRING str;
245 UNICODE_STRING strW, *pstrW;
246 NTSTATUS status;
247
248 RtlInitAnsiString( &str, name );
249 pstrW = alloc ? &strW : &NtCurrentTeb()->StaticUnicodeString;
250 if (oem_file_apis)
251 status = RtlOemStringToUnicodeString( pstrW, &str, alloc );
252 else
253 status = RtlAnsiStringToUnicodeString( pstrW, &str, alloc );
254 if (status == STATUS_SUCCESS) return pstrW->Buffer;
255
256 if (status == STATUS_BUFFER_OVERFLOW)
257 SetLastError( ERROR_FILENAME_EXCED_RANGE );
258 else
259 SetLastError( RtlNtStatusToDosError(status) );
260 return NULL;
261 }
262
263
264 /***********************************************************************
265 * FILE_name_WtoA
266 *
267 * Convert a file name back to OEM/Ansi. Returns number of bytes copied.
268 */
269 DWORD FILE_name_WtoA( LPCWSTR src, INT srclen, LPSTR dest, INT destlen )
270 {
271 DWORD ret;
272
273 if (srclen < 0) srclen = strlenW( src ) + 1;
274 if (oem_file_apis)
275 RtlUnicodeToOemN( dest, destlen, &ret, src, srclen * sizeof(WCHAR) );
276 else
277 RtlUnicodeToMultiByteN( dest, destlen, &ret, src, srclen * sizeof(WCHAR) );
278 return ret;
279 }
280
281
282 /**************************************************************************
283 * SetFileApisToOEM (KERNEL32.@)
284 */
285 VOID WINAPI SetFileApisToOEM(void)
286 {
287 oem_file_apis = TRUE;
288 }
289
290
291 /**************************************************************************
292 * SetFileApisToANSI (KERNEL32.@)
293 */
294 VOID WINAPI SetFileApisToANSI(void)
295 {
296 oem_file_apis = FALSE;
297 }
298
299
300 /******************************************************************************
301 * AreFileApisANSI (KERNEL32.@)
302 *
303 * Determines if file functions are using ANSI
304 *
305 * RETURNS
306 * TRUE: Set of file functions is using ANSI code page
307 * FALSE: Set of file functions is using OEM code page
308 */
309 BOOL WINAPI AreFileApisANSI(void)
310 {
311 return !oem_file_apis;
312 }
313
314
315 /**************************************************************************
316 * Operations on file handles *
317 **************************************************************************/
318
319 /***********************************************************************
320 * FILE_InitProcessDosHandles
321 *
322 * Allocates the default DOS handles for a process. Called either by
323 * Win32HandleToDosFileHandle below or by the DOSVM stuff.
324 */
325 static void FILE_InitProcessDosHandles( void )
326 {
327 static BOOL init_done /* = FALSE */;
328 HANDLE cp = GetCurrentProcess();
329
330 if (init_done) return;
331 init_done = TRUE;
332 DuplicateHandle(cp, GetStdHandle(STD_INPUT_HANDLE), cp, &dos_handles[0],
333 0, TRUE, DUPLICATE_SAME_ACCESS);
334 DuplicateHandle(cp, GetStdHandle(STD_OUTPUT_HANDLE), cp, &dos_handles[1],
335 0, TRUE, DUPLICATE_SAME_ACCESS);
336 DuplicateHandle(cp, GetStdHandle(STD_ERROR_HANDLE), cp, &dos_handles[2],
337 0, TRUE, DUPLICATE_SAME_ACCESS);
338 DuplicateHandle(cp, GetStdHandle(STD_ERROR_HANDLE), cp, &dos_handles[3],
339 0, TRUE, DUPLICATE_SAME_ACCESS);
340 DuplicateHandle(cp, GetStdHandle(STD_ERROR_HANDLE), cp, &dos_handles[4],
341 0, TRUE, DUPLICATE_SAME_ACCESS);
342 }
343
344
345 /******************************************************************
346 * FILE_ReadWriteApc (internal)
347 */
348 static void WINAPI FILE_ReadWriteApc(void* apc_user, PIO_STATUS_BLOCK io_status, ULONG reserved)
349 {
350 LPOVERLAPPED_COMPLETION_ROUTINE cr = (LPOVERLAPPED_COMPLETION_ROUTINE)apc_user;
351
352 cr(RtlNtStatusToDosError(io_status->u.Status), io_status->Information, (LPOVERLAPPED)io_status);
353 }
354
355
356 /***********************************************************************
357 * ReadFileEx (KERNEL32.@)
358 */
359 BOOL WINAPI ReadFileEx(HANDLE hFile, LPVOID buffer, DWORD bytesToRead,
360 LPOVERLAPPED overlapped,
361 LPOVERLAPPED_COMPLETION_ROUTINE lpCompletionRoutine)
362 {
363 LARGE_INTEGER offset;
364 NTSTATUS status;
365 PIO_STATUS_BLOCK io_status;
366
367 TRACE("(hFile=%p, buffer=%p, bytes=%u, ovl=%p, ovl_fn=%p)\n", hFile, buffer, bytesToRead, overlapped, lpCompletionRoutine);
368
369 if (!overlapped)
370 {
371 SetLastError(ERROR_INVALID_PARAMETER);
372 return FALSE;
373 }
374
375 offset.u.LowPart = overlapped->u.s.Offset;
376 offset.u.HighPart = overlapped->u.s.OffsetHigh;
377 io_status = (PIO_STATUS_BLOCK)overlapped;
378 io_status->u.Status = STATUS_PENDING;
379
380 status = NtReadFile(hFile, NULL, FILE_ReadWriteApc, lpCompletionRoutine,
381 io_status, buffer, bytesToRead, &offset, NULL);
382
383 if (status)
384 {
385 SetLastError( RtlNtStatusToDosError(status) );
386 return FALSE;
387 }
388 return TRUE;
389 }
390
391
392 /***********************************************************************
393 * ReadFile (KERNEL32.@)
394 */
395 BOOL WINAPI ReadFile( HANDLE hFile, LPVOID buffer, DWORD bytesToRead,
396 LPDWORD bytesRead, LPOVERLAPPED overlapped )
397 {
398 LARGE_INTEGER offset;
399 PLARGE_INTEGER poffset = NULL;
400 IO_STATUS_BLOCK iosb;
401 PIO_STATUS_BLOCK io_status = &iosb;
402 HANDLE hEvent = 0;
403 NTSTATUS status;
404
405 TRACE("%p %p %d %p %p\n", hFile, buffer, bytesToRead,
406 bytesRead, overlapped );
407
408 if (bytesRead) *bytesRead = 0; /* Do this before anything else */
409 if (!bytesToRead) return TRUE;
410
411 if (is_console_handle(hFile))
412 return ReadConsoleA(hFile, buffer, bytesToRead, bytesRead, NULL);
413
414 if (overlapped != NULL)
415 {
416 offset.u.LowPart = overlapped->u.s.Offset;
417 offset.u.HighPart = overlapped->u.s.OffsetHigh;
418 poffset = &offset;
419 hEvent = overlapped->hEvent;
420 io_status = (PIO_STATUS_BLOCK)overlapped;
421 }
422 io_status->u.Status = STATUS_PENDING;
423 io_status->Information = 0;
424
425 status = NtReadFile(hFile, hEvent, NULL, NULL, io_status, buffer, bytesToRead, poffset, NULL);
426
427 if (status != STATUS_PENDING && bytesRead)
428 *bytesRead = io_status->Information;
429
430 if (status && status != STATUS_END_OF_FILE && status != STATUS_TIMEOUT)
431 {
432 SetLastError( RtlNtStatusToDosError(status) );
433 return FALSE;
434 }
435 return TRUE;
436 }
437
438
439 /***********************************************************************
440 * WriteFileEx (KERNEL32.@)
441 */
442 BOOL WINAPI WriteFileEx(HANDLE hFile, LPCVOID buffer, DWORD bytesToWrite,
443 LPOVERLAPPED overlapped,
444 LPOVERLAPPED_COMPLETION_ROUTINE lpCompletionRoutine)
445 {
446 LARGE_INTEGER offset;
447 NTSTATUS status;
448 PIO_STATUS_BLOCK io_status;
449
450 TRACE("%p %p %d %p %p\n", hFile, buffer, bytesToWrite, overlapped, lpCompletionRoutine);
451
452 if (overlapped == NULL)
453 {
454 SetLastError(ERROR_INVALID_PARAMETER);
455 return FALSE;
456 }
457 offset.u.LowPart = overlapped->u.s.Offset;
458 offset.u.HighPart = overlapped->u.s.OffsetHigh;
459
460 io_status = (PIO_STATUS_BLOCK)overlapped;
461 io_status->u.Status = STATUS_PENDING;
462
463 status = NtWriteFile(hFile, NULL, FILE_ReadWriteApc, lpCompletionRoutine,
464 io_status, buffer, bytesToWrite, &offset, NULL);
465
466 if (status) SetLastError( RtlNtStatusToDosError(status) );
467 return !status;
468 }
469
470
471 /***********************************************************************
472 * WriteFile (KERNEL32.@)
473 */
474 BOOL WINAPI WriteFile( HANDLE hFile, LPCVOID buffer, DWORD bytesToWrite,
475 LPDWORD bytesWritten, LPOVERLAPPED overlapped )
476 {
477 HANDLE hEvent = NULL;
478 LARGE_INTEGER offset;
479 PLARGE_INTEGER poffset = NULL;
480 NTSTATUS status;
481 IO_STATUS_BLOCK iosb;
482 PIO_STATUS_BLOCK piosb = &iosb;
483
484 TRACE("%p %p %d %p %p\n", hFile, buffer, bytesToWrite, bytesWritten, overlapped );
485
486 if (is_console_handle(hFile))
487 return WriteConsoleA(hFile, buffer, bytesToWrite, bytesWritten, NULL);
488
489 if (overlapped)
490 {
491 offset.u.LowPart = overlapped->u.s.Offset;
492 offset.u.HighPart = overlapped->u.s.OffsetHigh;
493 poffset = &offset;
494 hEvent = overlapped->hEvent;
495 piosb = (PIO_STATUS_BLOCK)overlapped;
496 }
497 piosb->u.Status = STATUS_PENDING;
498 piosb->Information = 0;
499
500 status = NtWriteFile(hFile, hEvent, NULL, NULL, piosb,
501 buffer, bytesToWrite, poffset, NULL);
502
503 /* FIXME: NtWriteFile does not always cause page faults, generate them now */
504 if (status == STATUS_INVALID_USER_BUFFER && !IsBadReadPtr( buffer, bytesToWrite ))
505 {
506 status = NtWriteFile(hFile, hEvent, NULL, NULL, piosb,
507 buffer, bytesToWrite, poffset, NULL);
508 if (status != STATUS_INVALID_USER_BUFFER)
509 FIXME("Could not access memory (%p,%d) at first, now OK. Protected by DIBSection code?\n",
510 buffer, bytesToWrite);
511 }
512
513 if (status != STATUS_PENDING && bytesWritten)
514 *bytesWritten = piosb->Information;
515
516 if (status && status != STATUS_TIMEOUT)
517 {
518 SetLastError( RtlNtStatusToDosError(status) );
519 return FALSE;
520 }
521 return TRUE;
522 }
523
524
525 /***********************************************************************
526 * GetOverlappedResult (KERNEL32.@)
527 *
528 * Check the result of an Asynchronous data transfer from a file.
529 *
530 * Parameters
531 * HANDLE hFile [in] handle of file to check on
532 * LPOVERLAPPED lpOverlapped [in/out] pointer to overlapped
533 * LPDWORD lpTransferred [in/out] number of bytes transferred
534 * BOOL bWait [in] wait for the transfer to complete ?
535 *
536 * RETURNS
537 * TRUE on success
538 * FALSE on failure
539 *
540 * If successful (and relevant) lpTransferred will hold the number of
541 * bytes transferred during the async operation.
542 */
543 BOOL WINAPI GetOverlappedResult(HANDLE hFile, LPOVERLAPPED lpOverlapped,
544 LPDWORD lpTransferred, BOOL bWait)
545 {
546 NTSTATUS status;
547
548 TRACE( "(%p %p %p %x)\n", hFile, lpOverlapped, lpTransferred, bWait );
549
550 if ( lpOverlapped == NULL )
551 {
552 ERR("lpOverlapped was null\n");
553 return FALSE;
554 }
555
556 status = lpOverlapped->Internal;
557 if (status == STATUS_PENDING)
558 {
559 if (!bWait)
560 {
561 SetLastError( ERROR_IO_INCOMPLETE );
562 return FALSE;
563 }
564
565 if (WaitForSingleObject( lpOverlapped->hEvent ? lpOverlapped->hEvent : hFile,
566 INFINITE ) == WAIT_FAILED)
567 return FALSE;
568 status = lpOverlapped->Internal;
569 }
570
571 if (lpTransferred) *lpTransferred = lpOverlapped->InternalHigh;
572
573 if (status) SetLastError( RtlNtStatusToDosError(status) );
574 return !status;
575 }
576
577 /***********************************************************************
578 * CancelIo (KERNEL32.@)
579 *
580 * Cancels pending I/O operations initiated by the current thread on a file.
581 *
582 * PARAMS
583 * handle [I] File handle.
584 *
585 * RETURNS
586 * Success: TRUE.
587 * Failure: FALSE, check GetLastError().
588 */
589 BOOL WINAPI CancelIo(HANDLE handle)
590 {
591 IO_STATUS_BLOCK io_status;
592
593 NtCancelIoFile(handle, &io_status);
594 if (io_status.u.Status)
595 {
596 SetLastError( RtlNtStatusToDosError( io_status.u.Status ) );
597 return FALSE;
598 }
599 return TRUE;
600 }
601
602 /***********************************************************************
603 * _hread (KERNEL32.@)
604 */
605 LONG WINAPI _hread( HFILE hFile, LPVOID buffer, LONG count)
606 {
607 return _lread( hFile, buffer, count );
608 }
609
610
611 /***********************************************************************
612 * _hwrite (KERNEL32.@)
613 *
614 * experimentation yields that _lwrite:
615 * o truncates the file at the current position with
616 * a 0 len write
617 * o returns 0 on a 0 length write
618 * o works with console handles
619 *
620 */
621 LONG WINAPI _hwrite( HFILE handle, LPCSTR buffer, LONG count )
622 {
623 DWORD result;
624
625 TRACE("%d %p %d\n", handle, buffer, count );
626
627 if (!count)
628 {
629 /* Expand or truncate at current position */
630 if (!SetEndOfFile( LongToHandle(handle) )) return HFILE_ERROR;
631 return 0;
632 }
633 if (!WriteFile( LongToHandle(handle), buffer, count, &result, NULL ))
634 return HFILE_ERROR;
635 return result;
636 }
637
638
639 /***********************************************************************
640 * _lclose (KERNEL32.@)
641 */
642 HFILE WINAPI _lclose( HFILE hFile )
643 {
644 TRACE("handle %d\n", hFile );
645 return CloseHandle( LongToHandle(hFile) ) ? 0 : HFILE_ERROR;
646 }
647
648
649 /***********************************************************************
650 * _lcreat (KERNEL32.@)
651 */
652 HFILE WINAPI _lcreat( LPCSTR path, INT attr )
653 {
654 HANDLE hfile;
655
656 /* Mask off all flags not explicitly allowed by the doc */
657 attr &= FILE_ATTRIBUTE_READONLY | FILE_ATTRIBUTE_HIDDEN | FILE_ATTRIBUTE_SYSTEM;
658 TRACE("%s %02x\n", path, attr );
659 hfile = CreateFileA( path, GENERIC_READ | GENERIC_WRITE,
660 FILE_SHARE_READ | FILE_SHARE_WRITE, NULL,
661 CREATE_ALWAYS, attr, 0 );
662 return HandleToLong(hfile);
663 }
664
665
666 /***********************************************************************
667 * _lopen (KERNEL32.@)
668 */
669 HFILE WINAPI _lopen( LPCSTR path, INT mode )
670 {
671 HANDLE hfile;
672
673 TRACE("(%s,%04x)\n", debugstr_a(path), mode );
674 hfile = create_file_OF( path, mode & ~OF_CREATE );
675 return HandleToLong(hfile);
676 }
677
678 /***********************************************************************
679 * _lread (KERNEL32.@)
680 */
681 UINT WINAPI _lread( HFILE handle, LPVOID buffer, UINT count )
682 {
683 DWORD result;
684 if (!ReadFile( LongToHandle(handle), buffer, count, &result, NULL ))
685 return HFILE_ERROR;
686 return result;
687 }
688
689
690 /***********************************************************************
691 * _llseek (KERNEL32.@)
692 */
693 LONG WINAPI _llseek( HFILE hFile, LONG lOffset, INT nOrigin )
694 {
695 return SetFilePointer( LongToHandle(hFile), lOffset, NULL, nOrigin );
696 }
697
698
699 /***********************************************************************
700 * _lwrite (KERNEL32.@)
701 */
702 UINT WINAPI _lwrite( HFILE hFile, LPCSTR buffer, UINT count )
703 {
704 return (UINT)_hwrite( hFile, buffer, (LONG)count );
705 }
706
707
708 /***********************************************************************
709 * FlushFileBuffers (KERNEL32.@)
710 */
711 BOOL WINAPI FlushFileBuffers( HANDLE hFile )
712 {
713 NTSTATUS nts;
714 IO_STATUS_BLOCK ioblk;
715
716 if (is_console_handle( hFile ))
717 {
718 /* this will fail (as expected) for an output handle */
719 return FlushConsoleInputBuffer( hFile );
720 }
721 nts = NtFlushBuffersFile( hFile, &ioblk );
722 if (nts != STATUS_SUCCESS)
723 {
724 SetLastError( RtlNtStatusToDosError( nts ) );
725 return FALSE;
726 }
727
728 return TRUE;
729 }
730
731
732 /***********************************************************************
733 * GetFileType (KERNEL32.@)
734 */
735 DWORD WINAPI GetFileType( HANDLE hFile )
736 {
737 FILE_FS_DEVICE_INFORMATION info;
738 IO_STATUS_BLOCK io;
739 NTSTATUS status;
740
741 if (is_console_handle( hFile )) return FILE_TYPE_CHAR;
742
743 status = NtQueryVolumeInformationFile( hFile, &io, &info, sizeof(info), FileFsDeviceInformation );
744 if (status != STATUS_SUCCESS)
745 {
746 SetLastError( RtlNtStatusToDosError(status) );
747 return FILE_TYPE_UNKNOWN;
748 }
749
750 switch(info.DeviceType)
751 {
752 case FILE_DEVICE_NULL:
753 case FILE_DEVICE_SERIAL_PORT:
754 case FILE_DEVICE_PARALLEL_PORT:
755 case FILE_DEVICE_TAPE:
756 case FILE_DEVICE_UNKNOWN:
757 return FILE_TYPE_CHAR;
758 case FILE_DEVICE_NAMED_PIPE:
759 return FILE_TYPE_PIPE;
760 default:
761 return FILE_TYPE_DISK;
762 }
763 }
764
765
766 /***********************************************************************
767 * GetFileInformationByHandle (KERNEL32.@)
768 */
769 BOOL WINAPI GetFileInformationByHandle( HANDLE hFile, BY_HANDLE_FILE_INFORMATION *info )
770 {
771 FILE_ALL_INFORMATION all_info;
772 IO_STATUS_BLOCK io;
773 NTSTATUS status;
774
775 status = NtQueryInformationFile( hFile, &io, &all_info, sizeof(all_info), FileAllInformation );
776 if (status == STATUS_SUCCESS)
777 {
778 info->dwFileAttributes = all_info.BasicInformation.FileAttributes;
779 info->ftCreationTime.dwHighDateTime = all_info.BasicInformation.CreationTime.u.HighPart;
780 info->ftCreationTime.dwLowDateTime = all_info.BasicInformation.CreationTime.u.LowPart;
781 info->ftLastAccessTime.dwHighDateTime = all_info.BasicInformation.LastAccessTime.u.HighPart;
782 info->ftLastAccessTime.dwLowDateTime = all_info.BasicInformation.LastAccessTime.u.LowPart;
783 info->ftLastWriteTime.dwHighDateTime = all_info.BasicInformation.LastWriteTime.u.HighPart;
784 info->ftLastWriteTime.dwLowDateTime = all_info.BasicInformation.LastWriteTime.u.LowPart;
785 info->dwVolumeSerialNumber = 0; /* FIXME */
786 info->nFileSizeHigh = all_info.StandardInformation.EndOfFile.u.HighPart;
787 info->nFileSizeLow = all_info.StandardInformation.EndOfFile.u.LowPart;
788 info->nNumberOfLinks = all_info.StandardInformation.NumberOfLinks;
789 info->nFileIndexHigh = all_info.InternalInformation.IndexNumber.u.HighPart;
790 info->nFileIndexLow = all_info.InternalInformation.IndexNumber.u.LowPart;
791 return TRUE;
792 }
793 SetLastError( RtlNtStatusToDosError(status) );
794 return FALSE;
795 }
796
797
798 /***********************************************************************
799 * GetFileSize (KERNEL32.@)
800 *
801 * Retrieve the size of a file.
802 *
803 * PARAMS
804 * hFile [I] File to retrieve size of.
805 * filesizehigh [O] On return, the high bits of the file size.
806 *
807 * RETURNS
808 * Success: The low bits of the file size.
809 * Failure: INVALID_FILE_SIZE. As this is could also be a success value,
810 * check GetLastError() for values other than ERROR_SUCCESS.
811 */
812 DWORD WINAPI GetFileSize( HANDLE hFile, LPDWORD filesizehigh )
813 {
814 LARGE_INTEGER size;
815 if (!GetFileSizeEx( hFile, &size )) return INVALID_FILE_SIZE;
816 if (filesizehigh) *filesizehigh = size.u.HighPart;
817 if (size.u.LowPart == INVALID_FILE_SIZE) SetLastError(0);
818 return size.u.LowPart;
819 }
820
821
822 /***********************************************************************
823 * GetFileSizeEx (KERNEL32.@)
824 *
825 * Retrieve the size of a file.
826 *
827 * PARAMS
828 * hFile [I] File to retrieve size of.
829 * lpFileSIze [O] On return, the size of the file.
830 *
831 * RETURNS
832 * Success: TRUE.
833 * Failure: FALSE, check GetLastError().
834 */
835 BOOL WINAPI GetFileSizeEx( HANDLE hFile, PLARGE_INTEGER lpFileSize )
836 {
837 FILE_END_OF_FILE_INFORMATION info;
838 IO_STATUS_BLOCK io;
839 NTSTATUS status;
840
841 status = NtQueryInformationFile( hFile, &io, &info, sizeof(info), FileEndOfFileInformation );
842 if (status == STATUS_SUCCESS)
843 {
844 *lpFileSize = info.EndOfFile;
845 return TRUE;
846 }
847 SetLastError( RtlNtStatusToDosError(status) );
848 return FALSE;
849 }
850
851
852 /**************************************************************************
853 * SetEndOfFile (KERNEL32.@)
854 *
855 * Sets the current position as the end of the file.
856 *
857 * PARAMS
858 * hFile [I] File handle.
859 *
860 * RETURNS
861 * Success: TRUE.
862 * Failure: FALSE, check GetLastError().
863 */
864 BOOL WINAPI SetEndOfFile( HANDLE hFile )
865 {
866 FILE_POSITION_INFORMATION pos;
867 FILE_END_OF_FILE_INFORMATION eof;
868 IO_STATUS_BLOCK io;
869 NTSTATUS status;
870
871 status = NtQueryInformationFile( hFile, &io, &pos, sizeof(pos), FilePositionInformation );
872 if (status == STATUS_SUCCESS)
873 {
874 eof.EndOfFile = pos.CurrentByteOffset;
875 status = NtSetInformationFile( hFile, &io, &eof, sizeof(eof), FileEndOfFileInformation );
876 }
877 if (status == STATUS_SUCCESS) return TRUE;
878 SetLastError( RtlNtStatusToDosError(status) );
879 return FALSE;
880 }
881
882
883 /***********************************************************************
884 * SetFilePointer (KERNEL32.@)
885 */
886 DWORD WINAPI SetFilePointer( HANDLE hFile, LONG distance, LONG *highword, DWORD method )
887 {
888 LARGE_INTEGER dist, newpos;
889
890 if (highword)
891 {
892 dist.u.LowPart = distance;
893 dist.u.HighPart = *highword;
894 }
895 else dist.QuadPart = distance;
896
897 if (!SetFilePointerEx( hFile, dist, &newpos, method )) return INVALID_SET_FILE_POINTER;
898
899 if (highword) *highword = newpos.u.HighPart;
900 if (newpos.u.LowPart == INVALID_SET_FILE_POINTER) SetLastError( 0 );
901 return newpos.u.LowPart;
902 }
903
904
905 /***********************************************************************
906 * SetFilePointerEx (KERNEL32.@)
907 */
908 BOOL WINAPI SetFilePointerEx( HANDLE hFile, LARGE_INTEGER distance,
909 LARGE_INTEGER *newpos, DWORD method )
910 {
911 LONGLONG pos;
912 IO_STATUS_BLOCK io;
913 FILE_POSITION_INFORMATION info;
914
915 switch(method)
916 {
917 case FILE_BEGIN:
918 pos = distance.QuadPart;
919 break;
920 case FILE_CURRENT:
921 if (NtQueryInformationFile( hFile, &io, &info, sizeof(info), FilePositionInformation ))
922 goto error;
923 pos = info.CurrentByteOffset.QuadPart + distance.QuadPart;
924 break;
925 case FILE_END:
926 {
927 FILE_END_OF_FILE_INFORMATION eof;
928 if (NtQueryInformationFile( hFile, &io, &eof, sizeof(eof), FileEndOfFileInformation ))
929 goto error;
930 pos = eof.EndOfFile.QuadPart + distance.QuadPart;
931 }
932 break;
933 default:
934 SetLastError( ERROR_INVALID_PARAMETER );
935 return FALSE;
936 }
937
938 if (pos < 0)
939 {
940 SetLastError( ERROR_NEGATIVE_SEEK );
941 return FALSE;
942 }
943
944 info.CurrentByteOffset.QuadPart = pos;
945 if (NtSetInformationFile( hFile, &io, &info, sizeof(info), FilePositionInformation ))
946 goto error;
947 if (newpos) newpos->QuadPart = pos;
948 return TRUE;
949
950 error:
951 SetLastError( RtlNtStatusToDosError(io.u.Status) );
952 return FALSE;
953 }
954
955 /***********************************************************************
956 * GetFileTime (KERNEL32.@)
957 */
958 BOOL WINAPI GetFileTime( HANDLE hFile, FILETIME *lpCreationTime,
959 FILETIME *lpLastAccessTime, FILETIME *lpLastWriteTime )
960 {
961 FILE_BASIC_INFORMATION info;
962 IO_STATUS_BLOCK io;
963 NTSTATUS status;
964
965 status = NtQueryInformationFile( hFile, &io, &info, sizeof(info), FileBasicInformation );
966 if (status == STATUS_SUCCESS)
967 {
968 if (lpCreationTime)
969 {
970 lpCreationTime->dwHighDateTime = info.CreationTime.u.HighPart;
971 lpCreationTime->dwLowDateTime = info.CreationTime.u.LowPart;
972 }
973 if (lpLastAccessTime)
974 {
975 lpLastAccessTime->dwHighDateTime = info.LastAccessTime.u.HighPart;
976 lpLastAccessTime->dwLowDateTime = info.LastAccessTime.u.LowPart;
977 }
978 if (lpLastWriteTime)
979 {
980 lpLastWriteTime->dwHighDateTime = info.LastWriteTime.u.HighPart;
981 lpLastWriteTime->dwLowDateTime = info.LastWriteTime.u.LowPart;
982 }
983 return TRUE;
984 }
985 SetLastError( RtlNtStatusToDosError(status) );
986 return FALSE;
987 }
988
989
990 /***********************************************************************
991 * SetFileTime (KERNEL32.@)
992 */
993 BOOL WINAPI SetFileTime( HANDLE hFile, const FILETIME *ctime,
994 const FILETIME *atime, const FILETIME *mtime )
995 {
996 FILE_BASIC_INFORMATION info;
997 IO_STATUS_BLOCK io;
998 NTSTATUS status;
999
1000 memset( &info, 0, sizeof(info) );
1001 if (ctime)
1002 {
1003 info.CreationTime.u.HighPart = ctime->dwHighDateTime;
1004 info.CreationTime.u.LowPart = ctime->dwLowDateTime;
1005 }
1006 if (atime)
1007 {
1008 info.LastAccessTime.u.HighPart = atime->dwHighDateTime;
1009 info.LastAccessTime.u.LowPart = atime->dwLowDateTime;
1010 }
1011 if (mtime)
1012 {
1013 info.LastWriteTime.u.HighPart = mtime->dwHighDateTime;
1014 info.LastWriteTime.u.LowPart = mtime->dwLowDateTime;
1015 }
1016
1017 status = NtSetInformationFile( hFile, &io, &info, sizeof(info), FileBasicInformation );
1018 if (status == STATUS_SUCCESS) return TRUE;
1019 SetLastError( RtlNtStatusToDosError(status) );
1020 return FALSE;
1021 }
1022
1023
1024 /**************************************************************************
1025 * LockFile (KERNEL32.@)
1026 */
1027 BOOL WINAPI LockFile( HANDLE hFile, DWORD offset_low, DWORD offset_high,
1028 DWORD count_low, DWORD count_high )
1029 {
1030 NTSTATUS status;
1031 LARGE_INTEGER count, offset;
1032
1033 TRACE( "%p %x%08x %x%08x\n",
1034 hFile, offset_high, offset_low, count_high, count_low );
1035
1036 count.u.LowPart = count_low;
1037 count.u.HighPart = count_high;
1038 offset.u.LowPart = offset_low;
1039 offset.u.HighPart = offset_high;
1040
1041 status = NtLockFile( hFile, 0, NULL, NULL,
1042 NULL, &offset, &count, NULL, TRUE, TRUE );
1043
1044 if (status != STATUS_SUCCESS) SetLastError( RtlNtStatusToDosError(status) );
1045 return !status;
1046 }
1047
1048
1049 /**************************************************************************
1050 * LockFileEx [KERNEL32.@]
1051 *
1052 * Locks a byte range within an open file for shared or exclusive access.
1053 *
1054 * RETURNS
1055 * success: TRUE
1056 * failure: FALSE
1057 *
1058 * NOTES
1059 * Per Microsoft docs, the third parameter (reserved) must be set to 0.
1060 */
1061 BOOL WINAPI LockFileEx( HANDLE hFile, DWORD flags, DWORD reserved,
1062 DWORD count_low, DWORD count_high, LPOVERLAPPED overlapped )
1063 {
1064 NTSTATUS status;
1065 LARGE_INTEGER count, offset;
1066
1067 if (reserved)
1068 {
1069 SetLastError( ERROR_INVALID_PARAMETER );
1070 return FALSE;
1071 }
1072
1073 TRACE( "%p %x%08x %x%08x flags %x\n",
1074 hFile, overlapped->u.s.OffsetHigh, overlapped->u.s.Offset,
1075 count_high, count_low, flags );
1076
1077 count.u.LowPart = count_low;
1078 count.u.HighPart = count_high;
1079 offset.u.LowPart = overlapped->u.s.Offset;
1080 offset.u.HighPart = overlapped->u.s.OffsetHigh;
1081
1082 status = NtLockFile( hFile, overlapped->hEvent, NULL, NULL,
1083 NULL, &offset, &count, NULL,
1084 flags & LOCKFILE_FAIL_IMMEDIATELY,
1085 flags & LOCKFILE_EXCLUSIVE_LOCK );
1086
1087 if (status) SetLastError( RtlNtStatusToDosError(status) );
1088 return !status;
1089 }
1090
1091
1092 /**************************************************************************
1093 * UnlockFile (KERNEL32.@)
1094 */
1095 BOOL WINAPI UnlockFile( HANDLE hFile, DWORD offset_low, DWORD offset_high,
1096 DWORD count_low, DWORD count_high )
1097 {
1098 NTSTATUS status;
1099 LARGE_INTEGER count, offset;
1100
1101 count.u.LowPart = count_low;
1102 count.u.HighPart = count_high;
1103 offset.u.LowPart = offset_low;
1104 offset.u.HighPart = offset_high;
1105
1106 status = NtUnlockFile( hFile, NULL, &offset, &count, NULL);
1107 if (status) SetLastError( RtlNtStatusToDosError(status) );
1108 return !status;
1109 }
1110
1111
1112 /**************************************************************************
1113 * UnlockFileEx (KERNEL32.@)
1114 */
1115 BOOL WINAPI UnlockFileEx( HANDLE hFile, DWORD reserved, DWORD count_low, DWORD count_high,
1116 LPOVERLAPPED overlapped )
1117 {
1118 if (reserved)
1119 {
1120 SetLastError( ERROR_INVALID_PARAMETER );
1121 return FALSE;
1122 }
1123 if (overlapped->hEvent) FIXME("Unimplemented overlapped operation\n");
1124
1125 return UnlockFile( hFile, overlapped->u.s.Offset, overlapped->u.s.OffsetHigh, count_low, count_high );
1126 }
1127
1128
1129 /***********************************************************************
1130 * Win32HandleToDosFileHandle (KERNEL32.21)
1131 *
1132 * Allocate a DOS handle for a Win32 handle. The Win32 handle is no
1133 * longer valid after this function (even on failure).
1134 *
1135 * Note: this is not exactly right, since on Win95 the Win32 handles
1136 * are on top of DOS handles and we do it the other way
1137 * around. Should be good enough though.
1138 */
1139 HFILE WINAPI Win32HandleToDosFileHandle( HANDLE handle )
1140 {
1141 int i;
1142
1143 if (!handle || (handle == INVALID_HANDLE_VALUE))
1144 return HFILE_ERROR;
1145
1146 FILE_InitProcessDosHandles();
1147 for (i = 0; i < DOS_TABLE_SIZE; i++)
1148 if (!dos_handles[i])
1149 {
1150 dos_handles[i] = handle;
1151 TRACE("Got %d for h32 %p\n", i, handle );
1152 return (HFILE)i;
1153 }
1154 CloseHandle( handle );
1155 SetLastError( ERROR_TOO_MANY_OPEN_FILES );
1156 return HFILE_ERROR;
1157 }
1158
1159
1160 /***********************************************************************
1161 * DosFileHandleToWin32Handle (KERNEL32.20)
1162 *
1163 * Return the Win32 handle for a DOS handle.
1164 *
1165 * Note: this is not exactly right, since on Win95 the Win32 handles
1166 * are on top of DOS handles and we do it the other way
1167 * around. Should be good enough though.
1168 */
1169 HANDLE WINAPI DosFileHandleToWin32Handle( HFILE handle )
1170 {
1171 HFILE16 hfile = (HFILE16)handle;
1172 if (hfile < 5) FILE_InitProcessDosHandles();
1173 if ((hfile >= DOS_TABLE_SIZE) || !dos_handles[hfile])
1174 {
1175 SetLastError( ERROR_INVALID_HANDLE );
1176 return INVALID_HANDLE_VALUE;
1177 }
1178 return dos_handles[hfile];
1179 }
1180
1181
1182 /*************************************************************************
1183 * SetHandleCount (KERNEL32.@)
1184 */
1185 UINT WINAPI SetHandleCount( UINT count )
1186 {
1187 return min( 256, count );
1188 }
1189
1190
1191 /***********************************************************************
1192 * DisposeLZ32Handle (KERNEL32.22)
1193 *
1194 * Note: this is not entirely correct, we should only close the
1195 * 32-bit handle and not the 16-bit one, but we cannot do
1196 * this because of the way our DOS handles are implemented.
1197 * It shouldn't break anything though.
1198 */
1199 void WINAPI DisposeLZ32Handle( HANDLE handle )
1200 {
1201 int i;
1202
1203 if (!handle || (handle == INVALID_HANDLE_VALUE)) return;
1204
1205 for (i = 5; i < DOS_TABLE_SIZE; i++)
1206 if (dos_handles[i] == handle)
1207 {
1208 dos_handles[i] = 0;
1209 CloseHandle( handle );
1210 break;
1211 }
1212 }
1213
1214 /**************************************************************************
1215 * Operations on file names *
1216 **************************************************************************/
1217
1218
1219 /*************************************************************************
1220 * CreateFileW [KERNEL32.@] Creates or opens a file or other object
1221 *
1222 * Creates or opens an object, and returns a handle that can be used to
1223 * access that object.
1224 *
1225 * PARAMS
1226 *
1227 * filename [in] pointer to filename to be accessed
1228 * access [in] access mode requested
1229 * sharing [in] share mode
1230 * sa [in] pointer to security attributes
1231 * creation [in] how to create the file
1232 * attributes [in] attributes for newly created file
1233 * template [in] handle to file with extended attributes to copy
1234 *
1235 * RETURNS
1236 * Success: Open handle to specified file
1237 * Failure: INVALID_HANDLE_VALUE
1238 */
1239 HANDLE WINAPI CreateFileW( LPCWSTR filename, DWORD access, DWORD sharing,
1240 LPSECURITY_ATTRIBUTES sa, DWORD creation,
1241 DWORD attributes, HANDLE template )
1242 {
1243 NTSTATUS status;
1244 UINT options;
1245 OBJECT_ATTRIBUTES attr;
1246 UNICODE_STRING nameW;
1247 IO_STATUS_BLOCK io;
1248 HANDLE ret;
1249 DWORD dosdev;
1250 static const WCHAR bkslashes_with_dotW[] = {'\\','\\','.','\\',0};
1251 static const WCHAR coninW[] = {'C','O','N','I','N','$',0};
1252 static const WCHAR conoutW[] = {'C','O','N','O','U','T','$',0};
1253 SECURITY_QUALITY_OF_SERVICE qos;
1254
1255 static const UINT nt_disposition[5] =
1256 {
1257 FILE_CREATE, /* CREATE_NEW */
1258 FILE_OVERWRITE_IF, /* CREATE_ALWAYS */
1259 FILE_OPEN, /* OPEN_EXISTING */
1260 FILE_OPEN_IF, /* OPEN_ALWAYS */
1261 FILE_OVERWRITE /* TRUNCATE_EXISTING */
1262 };
1263
1264
1265 /* sanity checks */
1266
1267 if (!filename || !filename[0])
1268 {
1269 SetLastError( ERROR_PATH_NOT_FOUND );
1270 return INVALID_HANDLE_VALUE;
1271 }
1272
1273 TRACE("%s %s%s%s%s%s%s creation %d attributes 0x%x\n", debugstr_w(filename),
1274 (access & GENERIC_READ)?"GENERIC_READ ":"",
1275 (access & GENERIC_WRITE)?"GENERIC_WRITE ":"",
1276 (!access)?"QUERY_ACCESS ":"",
1277 (sharing & FILE_SHARE_READ)?"FILE_SHARE_READ ":"",
1278 (sharing & FILE_SHARE_WRITE)?"FILE_SHARE_WRITE ":"",
1279 (sharing & FILE_SHARE_DELETE)?"FILE_SHARE_DELETE ":"",
1280 creation, attributes);
1281
1282 /* Open a console for CONIN$ or CONOUT$ */
1283
1284 if (!strcmpiW(filename, coninW) || !strcmpiW(filename, conoutW))
1285 {
1286 ret = OpenConsoleW(filename, access, (sa && sa->bInheritHandle), creation);
1287 goto done;
1288 }
1289
1290 if (!strncmpW(filename, bkslashes_with_dotW, 4))
1291 {
1292 static const WCHAR pipeW[] = {'P','I','P','E','\\',0};
1293 static const WCHAR mailslotW[] = {'M','A','I','L','S','L','O','T','\\',0};
1294
1295 if ((isalphaW(filename[4]) && filename[5] == ':' && filename[6] == '\0') ||
1296 !strncmpiW( filename + 4, pipeW, 5 ) ||
1297 !strncmpiW( filename + 4, mailslotW, 9 ))
1298 {
1299 dosdev = 0;
1300 }
1301 else if ((dosdev = RtlIsDosDeviceName_U( filename + 4 )))
1302 {
1303 dosdev += MAKELONG( 0, 4*sizeof(WCHAR) ); /* adjust position to start of filename */
1304 }
1305 else if (!(GetVersion() & 0x80000000))
1306 {
1307 dosdev = 0;
1308 }
1309 else if (filename[4])
1310 {
1311 ret = VXD_Open( filename+4, access, sa );
1312 goto done;
1313 }
1314 else
1315 {
1316 SetLastError( ERROR_INVALID_NAME );
1317 return INVALID_HANDLE_VALUE;
1318 }
1319 }
1320 else dosdev = RtlIsDosDeviceName_U( filename );
1321
1322 if (dosdev)
1323 {
1324 static const WCHAR conW[] = {'C','O','N'};
1325
1326 if (LOWORD(dosdev) == sizeof(conW) &&
1327 !memicmpW( filename + HIWORD(dosdev)/sizeof(WCHAR), conW, sizeof(conW)/sizeof(WCHAR)))
1328 {
1329 switch (access & (GENERIC_READ|GENERIC_WRITE))
1330 {
1331 case GENERIC_READ:
1332 ret = OpenConsoleW(coninW, access, (sa && sa->bInheritHandle), creation);
1333 goto done;
1334 case GENERIC_WRITE:
1335 ret = OpenConsoleW(conoutW, access, (sa && sa->bInheritHandle), creation);
1336 goto done;
1337 default:
1338 SetLastError( ERROR_FILE_NOT_FOUND );
1339 return INVALID_HANDLE_VALUE;
1340 }
1341 }
1342 }
1343
1344 if (creation < CREATE_NEW || creation > TRUNCATE_EXISTING)
1345 {
1346 SetLastError( ERROR_INVALID_PARAMETER );
1347 return INVALID_HANDLE_VALUE;
1348 }
1349
1350 if (!RtlDosPathNameToNtPathName_U( filename, &nameW, NULL, NULL ))
1351 {
1352 SetLastError( ERROR_PATH_NOT_FOUND );
1353 return INVALID_HANDLE_VALUE;
1354 }
1355
1356 /* now call NtCreateFile */
1357
1358 options = 0;
1359 if (attributes & FILE_FLAG_BACKUP_SEMANTICS)
1360 options |= FILE_OPEN_FOR_BACKUP_INTENT;
1361 else
1362 options |= FILE_NON_DIRECTORY_FILE;
1363 if (attributes & FILE_FLAG_DELETE_ON_CLOSE)
1364 {
1365 options |= FILE_DELETE_ON_CLOSE;
1366 access |= DELETE;
1367 }
1368 if (!(attributes & FILE_FLAG_OVERLAPPED))
1369 options |= FILE_SYNCHRONOUS_IO_ALERT;
1370 if (attributes & FILE_FLAG_RANDOM_ACCESS)
1371 options |= FILE_RANDOM_ACCESS;
1372 attributes &= FILE_ATTRIBUTE_VALID_FLAGS;
1373
1374 attr.Length = sizeof(attr);
1375 attr.RootDirectory = 0;
1376 attr.Attributes = OBJ_CASE_INSENSITIVE;
1377 attr.ObjectName = &nameW;
1378 attr.SecurityDescriptor = sa ? sa->lpSecurityDescriptor : NULL;
1379 if (attributes & SECURITY_SQOS_PRESENT)
1380 {
1381 qos.Length = sizeof(qos);
1382 qos.ImpersonationLevel = (attributes >> 16) & 0x3;
1383 qos.ContextTrackingMode = attributes & SECURITY_CONTEXT_TRACKING ? SECURITY_DYNAMIC_TRACKING : SECURITY_STATIC_TRACKING;
1384 qos.EffectiveOnly = attributes & SECURITY_EFFECTIVE_ONLY ? TRUE : FALSE;
1385 attr.SecurityQualityOfService = &qos;
1386 }
1387 else
1388 attr.SecurityQualityOfService = NULL;
1389
1390 if (sa && sa->bInheritHandle) attr.Attributes |= OBJ_INHERIT;
1391
1392 status = NtCreateFile( &ret, access, &attr, &io, NULL, attributes,
1393 sharing, nt_disposition[creation - CREATE_NEW],
1394 options, NULL, 0 );
1395 if (status)
1396 {
1397 WARN("Unable to create file %s (status %x)\n", debugstr_w(filename), status);
1398 ret = INVALID_HANDLE_VALUE;
1399
1400 /* In the case file creation was rejected due to CREATE_NEW flag
1401 * was specified and file with that name already exists, correct
1402 * last error is ERROR_FILE_EXISTS and not ERROR_ALREADY_EXISTS.
1403 * Note: RtlNtStatusToDosError is not the subject to blame here.
1404 */
1405 if (status == STATUS_OBJECT_NAME_COLLISION)
1406 SetLastError( ERROR_FILE_EXISTS );
1407 else
1408 SetLastError( RtlNtStatusToDosError(status) );
1409 }
1410 else SetLastError(0);
1411 RtlFreeUnicodeString( &nameW );
1412
1413 done:
1414 if (!ret) ret = INVALID_HANDLE_VALUE;
1415 TRACE("returning %p\n", ret);
1416 return ret;
1417 }
1418
1419
1420
1421 /*************************************************************************
1422 * CreateFileA (KERNEL32.@)
1423 *
1424 * See CreateFileW.
1425 */
1426 HANDLE WINAPI CreateFileA( LPCSTR filename, DWORD access, DWORD sharing,
1427 LPSECURITY_ATTRIBUTES sa, DWORD creation,
1428 DWORD attributes, HANDLE template)
1429 {
1430 WCHAR *nameW;
1431
1432 if (!(nameW = FILE_name_AtoW( filename, FALSE ))) return INVALID_HANDLE_VALUE;
1433 return CreateFileW( nameW, access, sharing, sa, creation, attributes, template );
1434 }
1435
1436
1437 /***********************************************************************
1438 * DeleteFileW (KERNEL32.@)
1439 *
1440 * Delete a file.
1441 *
1442 * PARAMS
1443 * path [I] Path to the file to delete.
1444 *
1445 * RETURNS
1446 * Success: TRUE.
1447 * Failure: FALSE, check GetLastError().
1448 */
1449 BOOL WINAPI DeleteFileW( LPCWSTR path )
1450 {
1451 UNICODE_STRING nameW;
1452 OBJECT_ATTRIBUTES attr;
1453 NTSTATUS status;
1454
1455 TRACE("%s\n", debugstr_w(path) );
1456
1457 if (!RtlDosPathNameToNtPathName_U( path, &nameW, NULL, NULL ))
1458 {
1459 SetLastError( ERROR_PATH_NOT_FOUND );
1460 return FALSE;
1461 }
1462
1463 attr.Length = sizeof(attr);
1464 attr.RootDirectory = 0;
1465 attr.Attributes = OBJ_CASE_INSENSITIVE;
1466 attr.ObjectName = &nameW;
1467 attr.SecurityDescriptor = NULL;
1468 attr.SecurityQualityOfService = NULL;
1469
1470 status = NtDeleteFile(&attr);
1471 RtlFreeUnicodeString( &nameW );
1472 if (status)
1473 {
1474 SetLastError( RtlNtStatusToDosError(status) );
1475 return FALSE;
1476 }
1477 return TRUE;
1478 }
1479
1480
1481 /***********************************************************************
1482 * DeleteFileA (KERNEL32.@)
1483 *
1484 * See DeleteFileW.
1485 */
1486 BOOL WINAPI DeleteFileA( LPCSTR path )
1487 {
1488 WCHAR *pathW;
1489
1490 if (!(pathW = FILE_name_AtoW( path, FALSE ))) return FALSE;
1491 return DeleteFileW( pathW );
1492 }
1493
1494
1495 /**************************************************************************
1496 * ReplaceFileW (KERNEL32.@)
1497 * ReplaceFile (KERNEL32.@)
1498 */
1499 BOOL WINAPI ReplaceFileW(LPCWSTR lpReplacedFileName,LPCWSTR lpReplacementFileName,
1500 LPCWSTR lpBackupFileName, DWORD dwReplaceFlags,
1501 LPVOID lpExclude, LPVOID lpReserved)
1502 {
1503 FIXME("(%s,%s,%s,%08x,%p,%p) stub\n",debugstr_w(lpReplacedFileName),debugstr_w(lpReplacementFileName),
1504 debugstr_w(lpBackupFileName),dwReplaceFlags,lpExclude,lpReserved);
1505 SetLastError(ERROR_UNABLE_TO_MOVE_REPLACEMENT);
1506 return FALSE;
1507 }
1508
1509
1510 /**************************************************************************
1511 * ReplaceFileA (KERNEL32.@)
1512 */
1513 BOOL WINAPI ReplaceFileA(LPCSTR lpReplacedFileName,LPCSTR lpReplacementFileName,
1514 LPCSTR lpBackupFileName, DWORD dwReplaceFlags,
1515 LPVOID lpExclude, LPVOID lpReserved)
1516 {
1517 FIXME("(%s,%s,%s,%08x,%p,%p) stub\n",lpReplacedFileName,lpReplacementFileName,
1518 lpBackupFileName,dwReplaceFlags,lpExclude,lpReserved);
1519 SetLastError(ERROR_UNABLE_TO_MOVE_REPLACEMENT);
1520 return FALSE;
1521 }
1522
1523
1524 /*************************************************************************
1525 * FindFirstFileExW (KERNEL32.@)
1526 */
1527 HANDLE WINAPI FindFirstFileExW( LPCWSTR filename, FINDEX_INFO_LEVELS level,
1528 LPVOID data, FINDEX_SEARCH_OPS search_op,
1529 LPVOID filter, DWORD flags)
1530 {
1531 WCHAR *mask, *p;
1532 FIND_FIRST_INFO *info = NULL;
1533 UNICODE_STRING nt_name;
1534 OBJECT_ATTRIBUTES attr;
1535 IO_STATUS_BLOCK io;
1536 NTSTATUS status;
1537 DWORD device = 0;
1538
1539 TRACE("%s %d %p %d %p %x\n", debugstr_w(filename), level, data, search_op, filter, flags);
1540
1541 if ((search_op != FindExSearchNameMatch && search_op != FindExSearchLimitToDirectories)
1542 || flags != 0)
1543 {
1544 FIXME("options not implemented 0x%08x 0x%08x\n", search_op, flags );
1545 return INVALID_HANDLE_VALUE;
1546 }
1547 if (level != FindExInfoStandard)
1548 {
1549 FIXME("info level %d not implemented\n", level );
1550 return INVALID_HANDLE_VALUE;
1551 }
1552
1553 if (!RtlDosPathNameToNtPathName_U( filename, &nt_name, &mask, NULL ))
1554 {
1555 SetLastError( ERROR_PATH_NOT_FOUND );
1556 return INVALID_HANDLE_VALUE;
1557 }
1558
1559 if (!(info = HeapAlloc( GetProcessHeap(), 0, sizeof(*info))))
1560 {
1561 SetLastError( ERROR_NOT_ENOUGH_MEMORY );
1562 goto error;
1563 }
1564
1565 if (!mask && (device = RtlIsDosDeviceName_U( filename )))
1566 {
1567 static const WCHAR dotW[] = {'.',0};
1568 WCHAR *dir = NULL;
1569
1570 /* we still need to check that the directory can be opened */
1571
1572 if (HIWORD(device))
1573 {
1574 if (!(dir = HeapAlloc( GetProcessHeap(), 0, HIWORD(device) + sizeof(WCHAR) )))
1575 {
1576 SetLastError( ERROR_NOT_ENOUGH_MEMORY );
1577 goto error;
1578 }
1579 memcpy( dir, filename, HIWORD(device) );
1580 dir[HIWORD(device)/sizeof(WCHAR)] = 0;
1581 }
1582 RtlFreeUnicodeString( &nt_name );
1583 if (!RtlDosPathNameToNtPathName_U( dir ? dir : dotW, &nt_name, &mask, NULL ))
1584 {
1585 HeapFree( GetProcessHeap(), 0, dir );
1586 SetLastError( ERROR_PATH_NOT_FOUND );
1587 goto error;
1588 }
1589 HeapFree( GetProcessHeap(), 0, dir );
1590 RtlInitUnicodeString( &info->mask, NULL );
1591 }
1592 else if (!mask || !*mask)
1593 {
1594 SetLastError( ERROR_FILE_NOT_FOUND );
1595 goto error;
1596 }
1597 else
1598 {
1599 if (!RtlCreateUnicodeString( &info->mask, mask ))
1600 {
1601 SetLastError( ERROR_NOT_ENOUGH_MEMORY );
1602 goto error;
1603 }
1604
1605 /* truncate dir name before mask */
1606 *mask = 0;
1607 nt_name.Length = (mask - nt_name.Buffer) * sizeof(WCHAR);
1608 }
1609
1610 /* check if path is the root of the drive */
1611 info->is_root = FALSE;
1612 p = nt_name.Buffer + 4; /* skip \??\ prefix */
1613 if (p[0] && p[1] == ':')
1614 {
1615 p += 2;
1616 while (*p == '\\') p++;
1617 info->is_root = (*p == 0);
1618 }
1619
1620 attr.Length = sizeof(attr);
1621 attr.RootDirectory = 0;
1622 attr.Attributes = OBJ_CASE_INSENSITIVE;
1623 attr.ObjectName = &nt_name;
1624 attr.SecurityDescriptor = NULL;
1625 attr.SecurityQualityOfService = NULL;
1626
1627 status = NtOpenFile( &info->handle, GENERIC_READ, &attr, &io,
1628 FILE_SHARE_READ | FILE_SHARE_WRITE,
1629 FILE_DIRECTORY_FILE | FILE_SYNCHRONOUS_IO_NONALERT );
1630
1631 if (status != STATUS_SUCCESS)
1632 {
1633 RtlFreeUnicodeString( &info->mask );
1634 if (status == STATUS_OBJECT_NAME_NOT_FOUND)
1635 SetLastError( ERROR_PATH_NOT_FOUND );
1636 else
1637 SetLastError( RtlNtStatusToDosError(status) );
1638 goto error;
1639 }
1640
1641 RtlInitializeCriticalSection( &info->cs );
1642 info->cs.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": FIND_FIRST_INFO.cs");
1643 info->path = nt_name;
1644 info->magic = FIND_FIRST_MAGIC;
1645 info->data_pos = 0;
1646 info->data_len = 0;
1647 info->search_op = search_op;
1648
1649 if (device)
1650 {
1651 WIN32_FIND_DATAW *wfd = data;
1652
1653 memset( wfd, 0, sizeof(*wfd) );
1654 memcpy( wfd->cFileName, filename + HIWORD(device)/sizeof(WCHAR), LOWORD(device) );
1655 wfd->dwFileAttributes = FILE_ATTRIBUTE_ARCHIVE;
1656 CloseHandle( info->handle );
1657 info->handle = 0;
1658 }
1659 else
1660 {
1661 IO_STATUS_BLOCK io;
1662
1663 NtQueryDirectoryFile( info->handle, 0, NULL, NULL, &io, info->data, sizeof(info->data),
1664 FileBothDirectoryInformation, FALSE, &info->mask, TRUE );
1665 if (io.u.Status)
1666 {
1667 FindClose( info );
1668 SetLastError( RtlNtStatusToDosError( io.u.Status ) );
1669 return INVALID_HANDLE_VALUE;
1670 }
1671 info->data_len = io.Information;
1672 if (!FindNextFileW( info, data ))
1673 {
1674 TRACE( "%s not found\n", debugstr_w(filename) );
1675 FindClose( info );
1676 SetLastError( ERROR_FILE_NOT_FOUND );
1677 return INVALID_HANDLE_VALUE;
1678 }
1679 if (!strpbrkW( info->mask.Buffer, wildcardsW ))
1680 {
1681 /* we can't find two files with the same name */
1682 CloseHandle( info->handle );
1683 info->handle = 0;
1684 }
1685 }
1686 return info;
1687
1688 error:
1689 HeapFree( GetProcessHeap(), 0, info );
1690 RtlFreeUnicodeString( &nt_name );
1691 return INVALID_HANDLE_VALUE;
1692 }
1693
1694
1695 /*************************************************************************
1696 * FindNextFileW (KERNEL32.@)
1697 */
1698 BOOL WINAPI FindNextFileW( HANDLE handle, WIN32_FIND_DATAW *data )
1699 {
1700 FIND_FIRST_INFO *info;
1701 FILE_BOTH_DIR_INFORMATION *dir_info;
1702 BOOL ret = FALSE;
1703
1704 TRACE("%p %p\n", handle, data);
1705
1706 if (!handle || handle == INVALID_HANDLE_VALUE)
1707 {
1708 SetLastError( ERROR_INVALID_HANDLE );
1709 return ret;
1710 }
1711 info = (FIND_FIRST_INFO *)handle;
1712 if (info->magic != FIND_FIRST_MAGIC)
1713 {
1714 SetLastError( ERROR_INVALID_HANDLE );
1715 return ret;
1716 }
1717
1718 RtlEnterCriticalSection( &info->cs );
1719
1720 if (!info->handle) SetLastError( ERROR_NO_MORE_FILES );
1721 else for (;;)
1722 {
1723 if (info->data_pos >= info->data_len) /* need to read some more data */
1724 {
1725 IO_STATUS_BLOCK io;
1726
1727 NtQueryDirectoryFile( info->handle, 0, NULL, NULL, &io, info->data, sizeof(info->data),
1728 FileBothDirectoryInformation, FALSE, &info->mask, FALSE );
1729 if (io.u.Status)
1730 {
1731 SetLastError( RtlNtStatusToDosError( io.u.Status ) );
1732 if (io.u.Status == STATUS_NO_MORE_FILES)
1733 {
1734 CloseHandle( info->handle );
1735 info->handle = 0;
1736 }
1737 break;
1738 }
1739 info->data_len = io.Information;
1740 info->data_pos = 0;
1741 }
1742
1743 dir_info = (FILE_BOTH_DIR_INFORMATION *)(info->data + info->data_pos);
1744
1745 if (dir_info->NextEntryOffset) info->data_pos += dir_info->NextEntryOffset;
1746 else info->data_pos = info->data_len;
1747
1748 /* don't return '.' and '..' in the root of the drive */
1749 if (info->is_root)
1750 {
1751 if (dir_info->FileNameLength == sizeof(WCHAR) && dir_info->FileName[0] == '.') continue;
1752 if (dir_info->FileNameLength == 2 * sizeof(WCHAR) &&
1753 dir_info->FileName[0] == '.' && dir_info->FileName[1] == '.') continue;
1754 }
1755
1756 /* check for dir symlink */
1757 if ((dir_info->FileAttributes & FILE_ATTRIBUTE_DIRECTORY) &&
1758 (dir_info->FileAttributes & FILE_ATTRIBUTE_REPARSE_POINT) &&
1759 strpbrkW( info->mask.Buffer, wildcardsW ))
1760 {
1761 if (!check_dir_symlink( info, dir_info )) continue;
1762 }
1763 if (info->search_op == FindExSearchLimitToDirectories &&
1764 (dir_info->FileAttributes & FILE_ATTRIBUTE_DIRECTORY) == 0)
1765 continue;
1766
1767 data->dwFileAttributes = dir_info->FileAttributes;
1768 data->ftCreationTime = *(FILETIME *)&dir_info->CreationTime;
1769 data->ftLastAccessTime = *(FILETIME *)&dir_info->LastAccessTime;
1770 data->ftLastWriteTime = *(FILETIME *)&dir_info->LastWriteTime;
1771 data->nFileSizeHigh = dir_info->EndOfFile.QuadPart >> 32;
1772 data->nFileSizeLow = (DWORD)dir_info->EndOfFile.QuadPart;
1773 data->dwReserved0 = 0;
1774 data->dwReserved1 = 0;
1775
1776 memcpy( data->cFileName, dir_info->FileName, dir_info->FileNameLength );
1777 data->cFileName[dir_info->FileNameLength/sizeof(WCHAR)] = 0;
1778 memcpy( data->cAlternateFileName, dir_info->ShortName, dir_info->ShortNameLength );
1779 data->cAlternateFileName[dir_info->ShortNameLength/sizeof(WCHAR)] = 0;
1780
1781 TRACE("returning %s (%s)\n",
1782 debugstr_w(data->cFileName), debugstr_w(data->cAlternateFileName) );
1783
1784 ret = TRUE;
1785 break;
1786 }
1787
1788 RtlLeaveCriticalSection( &info->cs );
1789 return ret;
1790 }
1791
1792
1793 /*************************************************************************
1794 * FindClose (KERNEL32.@)
1795 */
1796 BOOL WINAPI FindClose( HANDLE handle )
1797 {
1798 FIND_FIRST_INFO *info = (FIND_FIRST_INFO *)handle;
1799
1800 if (!handle || handle == INVALID_HANDLE_VALUE)
1801 {
1802 SetLastError( ERROR_INVALID_HANDLE );
1803 return FALSE;
1804 }
1805
1806 __TRY
1807 {
1808 if (info->magic == FIND_FIRST_MAGIC)
1809 {
1810 RtlEnterCriticalSection( &info->cs );
1811 if (info->magic == FIND_FIRST_MAGIC) /* in case someone else freed it in the meantime */
1812 {
1813 info->magic = 0;
1814 if (info->handle) CloseHandle( info->handle );
1815 info->handle = 0;
1816 RtlFreeUnicodeString( &info->mask );
1817 info->mask.Buffer = NULL;
1818 RtlFreeUnicodeString( &info->path );
1819 info->data_pos = 0;
1820 info->data_len = 0;
1821 RtlLeaveCriticalSection( &info->cs );
1822 info->cs.DebugInfo->Spare[0] = 0;
1823 RtlDeleteCriticalSection( &info->cs );
1824 HeapFree( GetProcessHeap(), 0, info );
1825 }
1826 }
1827 }
1828 __EXCEPT_PAGE_FAULT
1829 {
1830 WARN("Illegal handle %p\n", handle);
1831 SetLastError( ERROR_INVALID_HANDLE );
1832 return FALSE;
1833 }
1834 __ENDTRY
1835
1836 return TRUE;
1837 }
1838
1839
1840 /*************************************************************************
1841 * FindFirstFileA (KERNEL32.@)
1842 */
1843 HANDLE WINAPI FindFirstFileA( LPCSTR lpFileName, WIN32_FIND_DATAA *lpFindData )
1844 {
1845 return FindFirstFileExA(lpFileName, FindExInfoStandard, lpFindData,
1846 FindExSearchNameMatch, NULL, 0);
1847 }
1848
1849 /*************************************************************************
1850 * FindFirstFileExA (KERNEL32.@)
1851 */
1852 HANDLE WINAPI FindFirstFileExA( LPCSTR lpFileName, FINDEX_INFO_LEVELS fInfoLevelId,
1853 LPVOID lpFindFileData, FINDEX_SEARCH_OPS fSearchOp,
1854 LPVOID lpSearchFilter, DWORD dwAdditionalFlags)
1855 {
1856 HANDLE handle;
1857 WIN32_FIND_DATAA *dataA;
1858 WIN32_FIND_DATAW dataW;
1859 WCHAR *nameW;
1860
1861 if (!(nameW = FILE_name_AtoW( lpFileName, FALSE ))) return INVALID_HANDLE_VALUE;
1862
1863 handle = FindFirstFileExW(nameW, fInfoLevelId, &dataW, fSearchOp, lpSearchFilter, dwAdditionalFlags);
1864 if (handle == INVALID_HANDLE_VALUE) return handle;
1865
1866 dataA = (WIN32_FIND_DATAA *) lpFindFileData;
1867 dataA->dwFileAttributes = dataW.dwFileAttributes;
1868 dataA->ftCreationTime = dataW.ftCreationTime;
1869 dataA->ftLastAccessTime = dataW.ftLastAccessTime;
1870 dataA->ftLastWriteTime = dataW.ftLastWriteTime;
1871 dataA->nFileSizeHigh = dataW.nFileSizeHigh;
1872 dataA->nFileSizeLow = dataW.nFileSizeLow;
1873 FILE_name_WtoA( dataW.cFileName, -1, dataA->cFileName, sizeof(dataA->cFileName) );
1874 FILE_name_WtoA( dataW.cAlternateFileName, -1, dataA->cAlternateFileName,
1875 sizeof(dataA->cAlternateFileName) );
1876 return handle;
1877 }
1878
1879
1880 /*************************************************************************
1881 * FindFirstFileW (KERNEL32.@)
1882 */
1883 HANDLE WINAPI FindFirstFileW( LPCWSTR lpFileName, WIN32_FIND_DATAW *lpFindData )
1884 {
1885 return FindFirstFileExW(lpFileName, FindExInfoStandard, lpFindData,
1886 FindExSearchNameMatch, NULL, 0);
1887 }
1888
1889
1890 /*************************************************************************
1891 * FindNextFileA (KERNEL32.@)
1892 */
1893 BOOL WINAPI FindNextFileA( HANDLE handle, WIN32_FIND_DATAA *data )
1894 {
1895 WIN32_FIND_DATAW dataW;
1896
1897 if (!FindNextFileW( handle, &dataW )) return FALSE;
1898 data->dwFileAttributes = dataW.dwFileAttributes;
1899 data->ftCreationTime = dataW.ftCreationTime;
1900 data->ftLastAccessTime = dataW.ftLastAccessTime;
1901 data->ftLastWriteTime = dataW.ftLastWriteTime;
1902 data->nFileSizeHigh = dataW.nFileSizeHigh;
1903 data->nFileSizeLow = dataW.nFileSizeLow;
1904 FILE_name_WtoA( dataW.cFileName, -1, data->cFileName, sizeof(data->cFileName) );
1905 FILE_name_WtoA( dataW.cAlternateFileName, -1, data->cAlternateFileName,
1906 sizeof(data->cAlternateFileName) );
1907 return TRUE;
1908 }
1909
1910
1911 /**************************************************************************
1912 * GetFileAttributesW (KERNEL32.@)
1913 */
1914 DWORD WINAPI GetFileAttributesW( LPCWSTR name )
1915 {
1916 FILE_BASIC_INFORMATION info;
1917 UNICODE_STRING nt_name;
1918 OBJECT_ATTRIBUTES attr;
1919 NTSTATUS status;
1920
1921 TRACE("%s\n", debugstr_w(name));
1922
1923 if (!RtlDosPathNameToNtPathName_U( name, &nt_name, NULL, NULL ))
1924 {
1925 SetLastError( ERROR_PATH_NOT_FOUND );
1926 return INVALID_FILE_ATTRIBUTES;
1927 }
1928
1929 attr.Length = sizeof(attr);
1930 attr.RootDirectory = 0;
1931 attr.Attributes = OBJ_CASE_INSENSITIVE;
1932 attr.ObjectName = &nt_name;
1933 attr.SecurityDescriptor = NULL;
1934 attr.SecurityQualityOfService = NULL;
1935
1936 status = NtQueryAttributesFile( &attr, &info );
1937 RtlFreeUnicodeString( &nt_name );
1938
1939 if (status == STATUS_SUCCESS) return info.FileAttributes;
1940
1941 /* NtQueryAttributesFile fails on devices, but GetFileAttributesW succeeds */
1942 if (RtlIsDosDeviceName_U( name )) return FILE_ATTRIBUTE_ARCHIVE;
1943
1944 SetLastError( RtlNtStatusToDosError(status) );
1945 return INVALID_FILE_ATTRIBUTES;
1946 }
1947
1948
1949 /**************************************************************************
1950 * GetFileAttributesA (KERNEL32.@)
1951 */
1952 DWORD WINAPI GetFileAttributesA( LPCSTR name )
1953 {
1954 WCHAR *nameW;
1955
1956 if (!(nameW = FILE_name_AtoW( name, FALSE ))) return INVALID_FILE_ATTRIBUTES;
1957 return GetFileAttributesW( nameW );
1958 }
1959
1960
1961 /**************************************************************************
1962 * SetFileAttributesW (KERNEL32.@)
1963 */
1964 BOOL WINAPI SetFileAttributesW( LPCWSTR name, DWORD attributes )
1965 {
1966 UNICODE_STRING nt_name;
1967 OBJECT_ATTRIBUTES attr;
1968 IO_STATUS_BLOCK io;
1969 NTSTATUS status;
1970 HANDLE handle;
1971
1972 TRACE("%s %x\n", debugstr_w(name), attributes);
1973
1974 if (!RtlDosPathNameToNtPathName_U( name, &nt_name, NULL, NULL ))
1975 {
1976 SetLastError( ERROR_PATH_NOT_FOUND );
1977 return FALSE;
1978 }
1979
1980 attr.Length = sizeof(attr);
1981 attr.RootDirectory = 0;
1982 attr.Attributes = OBJ_CASE_INSENSITIVE;
1983 attr.ObjectName = &nt_name;
1984 attr.SecurityDescriptor = NULL;
1985 attr.SecurityQualityOfService = NULL;
1986
1987 status = NtOpenFile( &handle, 0, &attr, &io, 0, FILE_SYNCHRONOUS_IO_NONALERT );
1988 RtlFreeUnicodeString( &nt_name );
1989
1990 if (status == STATUS_SUCCESS)
1991 {
1992 FILE_BASIC_INFORMATION info;
1993
1994 memset( &info, 0, sizeof(info) );
1995 info.FileAttributes = attributes | FILE_ATTRIBUTE_NORMAL; /* make sure it's not zero */
1996 status = NtSetInformationFile( handle, &io, &info, sizeof(info), FileBasicInformation );
1997 NtClose( handle );
1998 }
1999
2000 if (status == STATUS_SUCCESS) return TRUE;
2001 SetLastError( RtlNtStatusToDosError(status) );
2002 return FALSE;
2003 }
2004
2005
2006 /**************************************************************************
2007 * SetFileAttributesA (KERNEL32.@)
2008 */
2009 BOOL WINAPI SetFileAttributesA( LPCSTR name, DWORD attributes )
2010 {
2011 WCHAR *nameW;
2012
2013 if (!(nameW = FILE_name_AtoW( name, FALSE ))) return FALSE;
2014 return SetFileAttributesW( nameW, attributes );
2015 }
2016
2017
2018 /**************************************************************************
2019 * GetFileAttributesExW (KERNEL32.@)
2020 */
2021 BOOL WINAPI GetFileAttributesExW( LPCWSTR name, GET_FILEEX_INFO_LEVELS level, LPVOID ptr )
2022 {
2023 FILE_NETWORK_OPEN_INFORMATION info;
2024 WIN32_FILE_ATTRIBUTE_DATA *data = ptr;
2025 UNICODE_STRING nt_name;
2026 OBJECT_ATTRIBUTES attr;
2027 NTSTATUS status;
2028
2029 TRACE("%s %d %p\n", debugstr_w(name), level, ptr);
2030
2031 if (level != GetFileExInfoStandard)
2032 {
2033 SetLastError( ERROR_INVALID_PARAMETER );
2034 return FALSE;
2035 }
2036
2037 if (!RtlDosPathNameToNtPathName_U( name, &nt_name, NULL, NULL ))
2038 {
2039 SetLastError( ERROR_PATH_NOT_FOUND );
2040 return FALSE;
2041 }
2042
2043 attr.Length = sizeof(attr);
2044 attr.RootDirectory = 0;
2045 attr.Attributes = OBJ_CASE_INSENSITIVE;
2046 attr.ObjectName = &nt_name;
2047 attr.SecurityDescriptor = NULL;
2048 attr.SecurityQualityOfService = NULL;
2049
2050 status = NtQueryFullAttributesFile( &attr, &info );
2051 RtlFreeUnicodeString( &nt_name );
2052
2053 if (status != STATUS_SUCCESS)
2054 {
2055 SetLastError( RtlNtStatusToDosError(status) );
2056 return FALSE;
2057 }
2058
2059 data->dwFileAttributes = info.FileAttributes;
2060 data->ftCreationTime.dwLowDateTime = info.CreationTime.u.LowPart;
2061 data->ftCreationTime.dwHighDateTime = info.CreationTime.u.HighPart;
2062 data->ftLastAccessTime.dwLowDateTime = info.LastAccessTime.u.LowPart;
2063 data->ftLastAccessTime.dwHighDateTime = info.LastAccessTime.u.HighPart;
2064 data->ftLastWriteTime.dwLowDateTime = info.LastWriteTime.u.LowPart;
2065 data->ftLastWriteTime.dwHighDateTime = info.LastWriteTime.u.HighPart;
2066 data->nFileSizeLow = info.EndOfFile.u.LowPart;
2067 data->nFileSizeHigh = info.EndOfFile.u.HighPart;
2068 return TRUE;
2069 }
2070
2071
2072 /**************************************************************************
2073 * GetFileAttributesExA (KERNEL32.@)
2074 */
2075 BOOL WINAPI GetFileAttributesExA( LPCSTR name, GET_FILEEX_INFO_LEVELS level, LPVOID ptr )
2076 {
2077 WCHAR *nameW;
2078
2079 if (!(nameW = FILE_name_AtoW( name, FALSE ))) return FALSE;
2080 return GetFileAttributesExW( nameW, level, ptr );
2081 }
2082
2083
2084 /******************************************************************************
2085 * GetCompressedFileSizeW (KERNEL32.@)
2086 *
2087 * Get the actual number of bytes used on disk.
2088 *
2089 * RETURNS
2090 * Success: Low-order doubleword of number of bytes
2091 * Failure: INVALID_FILE_SIZE
2092 */
2093 DWORD WINAPI GetCompressedFileSizeW(
2094 LPCWSTR name, /* [in] Pointer to name of file */
2095 LPDWORD size_high ) /* [out] Receives high-order doubleword of size */
2096 {
2097 UNICODE_STRING nt_name;
2098 OBJECT_ATTRIBUTES attr;
2099 IO_STATUS_BLOCK io;
2100 NTSTATUS status;
2101 HANDLE handle;
2102 DWORD ret = INVALID_FILE_SIZE;
2103
2104 TRACE("%s %p\n", debugstr_w(name), size_high);
2105
2106 if (!RtlDosPathNameToNtPathName_U( name, &nt_name, NULL, NULL ))
2107 {
2108 SetLastError( ERROR_PATH_NOT_FOUND );
2109 return INVALID_FILE_SIZE;
2110 }
2111
2112 attr.Length = sizeof(attr);
2113 attr.RootDirectory = 0;
2114 attr.Attributes = OBJ_CASE_INSENSITIVE;
2115 attr.ObjectName = &nt_name;
2116 attr.SecurityDescriptor = NULL;
2117 attr.SecurityQualityOfService = NULL;
2118
2119 status = NtOpenFile( &handle, 0, &attr, &io, 0, FILE_SYNCHRONOUS_IO_NONALERT );
2120 RtlFreeUnicodeString( &nt_name );
2121
2122 if (status == STATUS_SUCCESS)
2123 {
2124 /* we don't support compressed files, simply return the file size */
2125 ret = GetFileSize( handle, size_high );
2126 NtClose( handle );
2127 }
2128 else SetLastError( RtlNtStatusToDosError(status) );
2129
2130 return ret;
2131 }
2132
2133
2134 /******************************************************************************
2135 * GetCompressedFileSizeA (KERNEL32.@)
2136 *
2137 * See GetCompressedFileSizeW.
2138 */
2139 DWORD WINAPI GetCompressedFileSizeA( LPCSTR name, LPDWORD size_high )
2140 {
2141 WCHAR *nameW;
2142
2143 if (!(nameW = FILE_name_AtoW( name, FALSE ))) return INVALID_FILE_SIZE;
2144 return GetCompressedFileSizeW( nameW, size_high );
2145 }
2146
2147
2148 /***********************************************************************
2149 * OpenFile (KERNEL32.@)
2150 */
2151 HFILE WINAPI OpenFile( LPCSTR name, OFSTRUCT *ofs, UINT mode )
2152 {
2153 HANDLE handle;
2154 FILETIME filetime;
2155 WORD filedatetime[2];
2156
2157 if (!ofs) return HFILE_ERROR;
2158
2159 TRACE("%s %s %s %s%s%s%s%s%s%s%s%s\n",name,
2160 ((mode & 0x3 )==OF_READ)?"OF_READ":
2161 ((mode & 0x3 )==OF_WRITE)?"OF_WRITE":
2162 ((mode & 0x3 )==OF_READWRITE)?"OF_READWRITE":"unknown",
2163 ((mode & 0x70 )==OF_SHARE_COMPAT)?"OF_SHARE_COMPAT":
2164 ((mode & 0x70 )==OF_SHARE_DENY_NONE)?"OF_SHARE_DENY_NONE":
2165 ((mode & 0x70 )==OF_SHARE_DENY_READ)?"OF_SHARE_DENY_READ":
2166 ((mode & 0x70 )==OF_SHARE_DENY_WRITE)?"OF_SHARE_DENY_WRITE":
2167 ((mode & 0x70 )==OF_SHARE_EXCLUSIVE)?"OF_SHARE_EXCLUSIVE":"unknown",
2168 ((mode & OF_PARSE )==OF_PARSE)?"OF_PARSE ":"",
2169 ((mode & OF_DELETE )==OF_DELETE)?"OF_DELETE ":"",
2170 ((mode & OF_VERIFY )==OF_VERIFY)?"OF_VERIFY ":"",
2171 ((mode & OF_SEARCH )==OF_SEARCH)?"OF_SEARCH ":"",
2172 ((mode & OF_CANCEL )==OF_CANCEL)?"OF_CANCEL ":"",
2173 ((mode & OF_CREATE )==OF_CREATE)?"OF_CREATE ":"",
2174 ((mode & OF_PROMPT )==OF_PROMPT)?"OF_PROMPT ":"",
2175 ((mode & OF_EXIST )==OF_EXIST)?"OF_EXIST ":"",
2176 ((mode & OF_REOPEN )==OF_REOPEN)?"OF_REOPEN ":""
2177 );
2178
2179
2180 ofs->cBytes = sizeof(OFSTRUCT);
2181 ofs->nErrCode = 0;
2182 if (mode & OF_REOPEN) name = ofs->szPathName;
2183
2184 if (!name) return HFILE_ERROR;
2185
2186 TRACE("%s %04x\n", name, mode );
2187
2188 /* the watcom 10.6 IDE relies on a valid path returned in ofs->szPathName
2189 Are there any cases where getting the path here is wrong?
2190 Uwe Bonnes 1997 Apr 2 */
2191 if (!GetFullPathNameA( name, sizeof(ofs->szPathName), ofs->szPathName, NULL )) goto error;
2192
2193 /* OF_PARSE simply fills the structure */
2194
2195 if (mode & OF_PARSE)
2196 {
2197 ofs->fFixedDisk = (GetDriveTypeA( ofs->szPathName ) != DRIVE_REMOVABLE);
2198 TRACE("(%s): OF_PARSE, res = '%s'\n", name, ofs->szPathName );
2199 return 0;
2200 }
2201
2202 /* OF_CREATE is completely different from all other options, so
2203 handle it first */
2204
2205 if (mode & OF_CREATE)
2206 {
2207 if ((handle = create_file_OF( name, mode )) == INVALID_HANDLE_VALUE)
2208 goto error;
2209 }
2210 else
2211 {
2212 /* Now look for the file */
2213
2214 if (!SearchPathA( NULL, name, NULL, sizeof(ofs->szPathName), ofs->szPathName, NULL ))
2215 goto error;
2216
2217 TRACE("found %s\n", debugstr_a(ofs->szPathName) );
2218
2219 if (mode & OF_DELETE)
2220 {
2221 if (!DeleteFileA( ofs->szPathName )) goto error;
2222 TRACE("(%s): OF_DELETE return = OK\n", name);
2223 return TRUE;
2224 }
2225
2226 handle = LongToHandle(_lopen( ofs->szPathName, mode ));
2227 if (handle == INVALID_HANDLE_VALUE) goto error;
2228
2229 GetFileTime( handle, NULL, NULL, &filetime );
2230 FileTimeToDosDateTime( &filetime, &filedatetime[0], &filedatetime[1] );
2231 if ((mode & OF_VERIFY) && (mode & OF_REOPEN))
2232 {
2233 if (ofs->Reserved1 != filedatetime[0] || ofs->Reserved2 != filedatetime[1] )
2234 {
2235 CloseHandle( handle );
2236 WARN("(%s): OF_VERIFY failed\n", name );
2237 /* FIXME: what error here? */
2238 SetLastError( ERROR_FILE_NOT_FOUND );
2239 goto error;
2240 }
2241 }
2242 ofs->Reserved1 = filedatetime[0];
2243 ofs->Reserved2 = filedatetime[1];
2244 }
2245 TRACE("(%s): OK, return = %p\n", name, handle );
2246 if (mode & OF_EXIST) /* Return TRUE instead of a handle */
2247 {
2248 CloseHandle( handle );
2249 return TRUE;
2250 }
2251 return HandleToLong(handle);
2252
2253 error: /* We get here if there was an error opening the file */
2254 ofs->nErrCode = GetLastError();
2255 WARN("(%s): return = HFILE_ERROR error= %d\n", name,ofs->nErrCode );
2256 return HFILE_ERROR;
2257 }
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