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server: Make the FILE_SHARE_DELETE sharing checks depend on DELETE
[wine/multimedia.git] / dlls / kernel / file.c
blob9c5973a62bca82fd405ccc17623f3611f407ba28
1 /*
2 * File handling functions
3 *
4 * Copyright 1993 John Burton
5 * Copyright 1996, 2004 Alexandre Julliard
6 *
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 */
21
22 #include "config.h"
23 #include "wine/port.h"
24
25 #include <stdarg.h>
26 #include <stdio.h>
27 #include <errno.h>
28 #ifdef HAVE_SYS_STAT_H
29 # include <sys/stat.h>
30 #endif
31
32 #define NONAMELESSUNION
33 #define NONAMELESSSTRUCT
34 #include "winerror.h"
35 #include "ntstatus.h"
36 #define WIN32_NO_STATUS
37 #include "windef.h"
38 #include "winbase.h"
39 #include "winternl.h"
40 #include "winioctl.h"
41 #include "wincon.h"
42 #include "wine/winbase16.h"
43 #include "kernel_private.h"
44
45 #include "wine/exception.h"
46 #include "excpt.h"
47 #include "wine/unicode.h"
48 #include "wine/debug.h"
49 #include "thread.h"
50 #include "wine/server.h"
51
52 WINE_DEFAULT_DEBUG_CHANNEL(file);
53
54 HANDLE dos_handles[DOS_TABLE_SIZE];
55
56 /* info structure for FindFirstFile handle */
57 typedef struct
58 {
59 DWORD magic; /* magic number */
60 HANDLE handle; /* handle to directory */
61 CRITICAL_SECTION cs; /* crit section protecting this structure */
62 FINDEX_SEARCH_OPS search_op; /* Flags passed to FindFirst. */
63 UNICODE_STRING mask; /* file mask */
64 UNICODE_STRING path; /* NT path used to open the directory */
65 BOOL is_root; /* is directory the root of the drive? */
66 UINT data_pos; /* current position in dir data */
67 UINT data_len; /* length of dir data */
68 BYTE data[8192]; /* directory data */
69 } FIND_FIRST_INFO;
70
71 #define FIND_FIRST_MAGIC 0xc0ffee11
72
73 static BOOL oem_file_apis;
74
75
76 /***********************************************************************
77 * create_file_OF
78 *
79 * Wrapper for CreateFile that takes OF_* mode flags.
80 */
81 static HANDLE create_file_OF( LPCSTR path, INT mode )
82 {
83 DWORD access, sharing, creation;
84
85 if (mode & OF_CREATE)
86 {
87 creation = CREATE_ALWAYS;
88 access = GENERIC_READ | GENERIC_WRITE;
89 }
90 else
91 {
92 creation = OPEN_EXISTING;
93 switch(mode & 0x03)
94 {
95 case OF_READ: access = GENERIC_READ; break;
96 case OF_WRITE: access = GENERIC_WRITE; break;
97 case OF_READWRITE: access = GENERIC_READ | GENERIC_WRITE; break;
98 default: access = 0; break;
99 }
100 }
101
102 switch(mode & 0x70)
103 {
104 case OF_SHARE_EXCLUSIVE: sharing = 0; break;
105 case OF_SHARE_DENY_WRITE: sharing = FILE_SHARE_READ; break;
106 case OF_SHARE_DENY_READ: sharing = FILE_SHARE_WRITE; break;
107 case OF_SHARE_DENY_NONE:
108 case OF_SHARE_COMPAT:
109 default: sharing = FILE_SHARE_READ | FILE_SHARE_WRITE; break;
110 }
111 return CreateFileA( path, access, sharing, NULL, creation, FILE_ATTRIBUTE_NORMAL, 0 );
112 }
113
114
115 /***********************************************************************
116 * check_dir_symlink
117 *
118 * Check if a dir symlink should be returned by FindNextFile.
119 */
120 static BOOL check_dir_symlink( FIND_FIRST_INFO *info, const FILE_BOTH_DIR_INFORMATION *file_info )
121 {
122 UNICODE_STRING str;
123 ANSI_STRING unix_name;
124 struct stat st, parent_st;
125 BOOL ret = TRUE;
126 DWORD len;
127
128 str.MaximumLength = info->path.Length + sizeof(WCHAR) + file_info->FileNameLength;
129 if (!(str.Buffer = HeapAlloc( GetProcessHeap(), 0, str.MaximumLength ))) return TRUE;
130 memcpy( str.Buffer, info->path.Buffer, info->path.Length );
131 len = info->path.Length / sizeof(WCHAR);
132 if (!len || str.Buffer[len-1] != '\\') str.Buffer[len++] = '\\';
133 memcpy( str.Buffer + len, file_info->FileName, file_info->FileNameLength );
134 str.Length = len * sizeof(WCHAR) + file_info->FileNameLength;
135
136 unix_name.Buffer = NULL;
137 if (!wine_nt_to_unix_file_name( &str, &unix_name, OPEN_EXISTING, FALSE ) &&
138 !stat( unix_name.Buffer, &st ))
139 {
140 char *p = unix_name.Buffer + unix_name.Length - 1;
141
142 /* skip trailing slashes */
143 while (p > unix_name.Buffer && *p == '/') p--;
144
145 while (ret && p > unix_name.Buffer)
146 {
147 while (p > unix_name.Buffer && *p != '/') p--;
148 while (p > unix_name.Buffer && *p == '/') p--;
149 p[1] = 0;
150 if (!stat( unix_name.Buffer, &parent_st ) &&
151 parent_st.st_dev == st.st_dev &&
152 parent_st.st_ino == st.st_ino)
153 {
154 WARN( "suppressing dir symlink %s pointing to parent %s\n",
155 debugstr_wn( str.Buffer, str.Length/sizeof(WCHAR) ),
156 debugstr_a( unix_name.Buffer ));
157 ret = FALSE;
158 }
159 }
160 }
161 RtlFreeAnsiString( &unix_name );
162 RtlFreeUnicodeString( &str );
163 return ret;
164 }
165
166
167 /***********************************************************************
168 * FILE_SetDosError
169 *
170 * Set the DOS error code from errno.
171 */
172 void FILE_SetDosError(void)
173 {
174 int save_errno = errno; /* errno gets overwritten by printf */
175
176 TRACE("errno = %d %s\n", errno, strerror(errno));
177 switch (save_errno)
178 {
179 case EAGAIN:
180 SetLastError( ERROR_SHARING_VIOLATION );
181 break;
182 case EBADF:
183 SetLastError( ERROR_INVALID_HANDLE );
184 break;
185 case ENOSPC:
186 SetLastError( ERROR_HANDLE_DISK_FULL );
187 break;
188 case EACCES:
189 case EPERM:
190 case EROFS:
191 SetLastError( ERROR_ACCESS_DENIED );
192 break;
193 case EBUSY:
194 SetLastError( ERROR_LOCK_VIOLATION );
195 break;
196 case ENOENT:
197 SetLastError( ERROR_FILE_NOT_FOUND );
198 break;
199 case EISDIR:
200 SetLastError( ERROR_CANNOT_MAKE );
201 break;
202 case ENFILE:
203 case EMFILE:
204 SetLastError( ERROR_TOO_MANY_OPEN_FILES );
205 break;
206 case EEXIST:
207 SetLastError( ERROR_FILE_EXISTS );
208 break;
209 case EINVAL:
210 case ESPIPE:
211 SetLastError( ERROR_SEEK );
212 break;
213 case ENOTEMPTY:
214 SetLastError( ERROR_DIR_NOT_EMPTY );
215 break;
216 case ENOEXEC:
217 SetLastError( ERROR_BAD_FORMAT );
218 break;
219 case ENOTDIR:
220 SetLastError( ERROR_PATH_NOT_FOUND );
221 break;
222 case EXDEV:
223 SetLastError( ERROR_NOT_SAME_DEVICE );
224 break;
225 default:
226 WARN("unknown file error: %s\n", strerror(save_errno) );
227 SetLastError( ERROR_GEN_FAILURE );
228 break;
229 }
230 errno = save_errno;
231 }
232
233
234 /***********************************************************************
235 * FILE_name_AtoW
236 *
237 * Convert a file name to Unicode, taking into account the OEM/Ansi API mode.
238 *
239 * If alloc is FALSE uses the TEB static buffer, so it can only be used when
240 * there is no possibility for the function to do that twice, taking into
241 * account any called function.
242 */
243 WCHAR *FILE_name_AtoW( LPCSTR name, BOOL alloc )
244 {
245 ANSI_STRING str;
246 UNICODE_STRING strW, *pstrW;
247 NTSTATUS status;
248
249 RtlInitAnsiString( &str, name );
250 pstrW = alloc ? &strW : &NtCurrentTeb()->StaticUnicodeString;
251 if (oem_file_apis)
252 status = RtlOemStringToUnicodeString( pstrW, &str, alloc );
253 else
254 status = RtlAnsiStringToUnicodeString( pstrW, &str, alloc );
255 if (status == STATUS_SUCCESS) return pstrW->Buffer;
256
257 if (status == STATUS_BUFFER_OVERFLOW)
258 SetLastError( ERROR_FILENAME_EXCED_RANGE );
259 else
260 SetLastError( RtlNtStatusToDosError(status) );
261 return NULL;
262 }
263
264
265 /***********************************************************************
266 * FILE_name_WtoA
267 *
268 * Convert a file name back to OEM/Ansi. Returns number of bytes copied.
269 */
270 DWORD FILE_name_WtoA( LPCWSTR src, INT srclen, LPSTR dest, INT destlen )
271 {
272 DWORD ret;
273
274 if (srclen < 0) srclen = strlenW( src ) + 1;
275 if (oem_file_apis)
276 RtlUnicodeToOemN( dest, destlen, &ret, src, srclen * sizeof(WCHAR) );
277 else
278 RtlUnicodeToMultiByteN( dest, destlen, &ret, src, srclen * sizeof(WCHAR) );
279 return ret;
280 }
281
282
283 /**************************************************************************
284 * SetFileApisToOEM (KERNEL32.@)
285 */
286 VOID WINAPI SetFileApisToOEM(void)
287 {
288 oem_file_apis = TRUE;
289 }
290
291
292 /**************************************************************************
293 * SetFileApisToANSI (KERNEL32.@)
294 */
295 VOID WINAPI SetFileApisToANSI(void)
296 {
297 oem_file_apis = FALSE;
298 }
299
300
301 /******************************************************************************
302 * AreFileApisANSI (KERNEL32.@)
303 *
304 * Determines if file functions are using ANSI
305 *
306 * RETURNS
307 * TRUE: Set of file functions is using ANSI code page
308 * FALSE: Set of file functions is using OEM code page
309 */
310 BOOL WINAPI AreFileApisANSI(void)
311 {
312 return !oem_file_apis;
313 }
314
315
316 /**************************************************************************
317 * Operations on file handles *
318 **************************************************************************/
319
320 /***********************************************************************
321 * FILE_InitProcessDosHandles
322 *
323 * Allocates the default DOS handles for a process. Called either by
324 * Win32HandleToDosFileHandle below or by the DOSVM stuff.
325 */
326 static void FILE_InitProcessDosHandles( void )
327 {
328 static BOOL init_done /* = FALSE */;
329 HANDLE cp = GetCurrentProcess();
330
331 if (init_done) return;
332 init_done = TRUE;
333 DuplicateHandle(cp, GetStdHandle(STD_INPUT_HANDLE), cp, &dos_handles[0],
334 0, TRUE, DUPLICATE_SAME_ACCESS);
335 DuplicateHandle(cp, GetStdHandle(STD_OUTPUT_HANDLE), cp, &dos_handles[1],
336 0, TRUE, DUPLICATE_SAME_ACCESS);
337 DuplicateHandle(cp, GetStdHandle(STD_ERROR_HANDLE), cp, &dos_handles[2],
338 0, TRUE, DUPLICATE_SAME_ACCESS);
339 DuplicateHandle(cp, GetStdHandle(STD_ERROR_HANDLE), cp, &dos_handles[3],
340 0, TRUE, DUPLICATE_SAME_ACCESS);
341 DuplicateHandle(cp, GetStdHandle(STD_ERROR_HANDLE), cp, &dos_handles[4],
342 0, TRUE, DUPLICATE_SAME_ACCESS);
343 }
344
345
346 /******************************************************************
347 * FILE_ReadWriteApc (internal)
348 */
349 static void WINAPI FILE_ReadWriteApc(void* apc_user, PIO_STATUS_BLOCK io_status, ULONG len)
350 {
351 LPOVERLAPPED_COMPLETION_ROUTINE cr = (LPOVERLAPPED_COMPLETION_ROUTINE)apc_user;
352
353 cr(RtlNtStatusToDosError(io_status->u.Status), len, (LPOVERLAPPED)io_status);
354 }
355
356
357 /***********************************************************************
358 * ReadFileEx (KERNEL32.@)
359 */
360 BOOL WINAPI ReadFileEx(HANDLE hFile, LPVOID buffer, DWORD bytesToRead,
361 LPOVERLAPPED overlapped,
362 LPOVERLAPPED_COMPLETION_ROUTINE lpCompletionRoutine)
363 {
364 LARGE_INTEGER offset;
365 NTSTATUS status;
366 PIO_STATUS_BLOCK io_status;
367
368 TRACE("(hFile=%p, buffer=%p, bytes=%lu, ovl=%p, ovl_fn=%p)\n", hFile, buffer, bytesToRead, overlapped, lpCompletionRoutine);
369
370 if (!overlapped)
371 {
372 SetLastError(ERROR_INVALID_PARAMETER);
373 return FALSE;
374 }
375
376 offset.u.LowPart = overlapped->u.s.Offset;
377 offset.u.HighPart = overlapped->u.s.OffsetHigh;
378 io_status = (PIO_STATUS_BLOCK)overlapped;
379 io_status->u.Status = STATUS_PENDING;
380
381 status = NtReadFile(hFile, NULL, FILE_ReadWriteApc, lpCompletionRoutine,
382 io_status, buffer, bytesToRead, &offset, NULL);
383
384 if (status)
385 {
386 SetLastError( RtlNtStatusToDosError(status) );
387 return FALSE;
388 }
389 return TRUE;
390 }
391
392
393 /***********************************************************************
394 * ReadFile (KERNEL32.@)
395 */
396 BOOL WINAPI ReadFile( HANDLE hFile, LPVOID buffer, DWORD bytesToRead,
397 LPDWORD bytesRead, LPOVERLAPPED overlapped )
398 {
399 LARGE_INTEGER offset;
400 PLARGE_INTEGER poffset = NULL;
401 IO_STATUS_BLOCK iosb;
402 PIO_STATUS_BLOCK io_status = &iosb;
403 HANDLE hEvent = 0;
404 NTSTATUS status;
405
406 TRACE("%p %p %ld %p %p\n", hFile, buffer, bytesToRead,
407 bytesRead, overlapped );
408
409 if (bytesRead) *bytesRead = 0; /* Do this before anything else */
410 if (!bytesToRead) return TRUE;
411
412 if (is_console_handle(hFile))
413 return ReadConsoleA(hFile, buffer, bytesToRead, bytesRead, NULL);
414
415 if (overlapped != NULL)
416 {
417 offset.u.LowPart = overlapped->u.s.Offset;
418 offset.u.HighPart = overlapped->u.s.OffsetHigh;
419 poffset = &offset;
420 hEvent = overlapped->hEvent;
421 io_status = (PIO_STATUS_BLOCK)overlapped;
422 }
423 io_status->u.Status = STATUS_PENDING;
424 io_status->Information = 0;
425
426 status = NtReadFile(hFile, hEvent, NULL, NULL, io_status, buffer, bytesToRead, poffset, NULL);
427
428 if (status != STATUS_PENDING && bytesRead)
429 *bytesRead = io_status->Information;
430
431 if (status && status != STATUS_END_OF_FILE && status != STATUS_TIMEOUT)
432 {
433 SetLastError( RtlNtStatusToDosError(status) );
434 return FALSE;
435 }
436 return TRUE;
437 }
438
439
440 /***********************************************************************
441 * WriteFileEx (KERNEL32.@)
442 */
443 BOOL WINAPI WriteFileEx(HANDLE hFile, LPCVOID buffer, DWORD bytesToWrite,
444 LPOVERLAPPED overlapped,
445 LPOVERLAPPED_COMPLETION_ROUTINE lpCompletionRoutine)
446 {
447 LARGE_INTEGER offset;
448 NTSTATUS status;
449 PIO_STATUS_BLOCK io_status;
450
451 TRACE("%p %p %ld %p %p\n", hFile, buffer, bytesToWrite, overlapped, lpCompletionRoutine);
452
453 if (overlapped == NULL)
454 {
455 SetLastError(ERROR_INVALID_PARAMETER);
456 return FALSE;
457 }
458 offset.u.LowPart = overlapped->u.s.Offset;
459 offset.u.HighPart = overlapped->u.s.OffsetHigh;
460
461 io_status = (PIO_STATUS_BLOCK)overlapped;
462 io_status->u.Status = STATUS_PENDING;
463
464 status = NtWriteFile(hFile, NULL, FILE_ReadWriteApc, lpCompletionRoutine,
465 io_status, buffer, bytesToWrite, &offset, NULL);
466
467 if (status) SetLastError( RtlNtStatusToDosError(status) );
468 return !status;
469 }
470
471
472 /***********************************************************************
473 * WriteFile (KERNEL32.@)
474 */
475 BOOL WINAPI WriteFile( HANDLE hFile, LPCVOID buffer, DWORD bytesToWrite,
476 LPDWORD bytesWritten, LPOVERLAPPED overlapped )
477 {
478 HANDLE hEvent = NULL;
479 LARGE_INTEGER offset;
480 PLARGE_INTEGER poffset = NULL;
481 NTSTATUS status;
482 IO_STATUS_BLOCK iosb;
483 PIO_STATUS_BLOCK piosb = &iosb;
484
485 TRACE("%p %p %ld %p %p\n", hFile, buffer, bytesToWrite, bytesWritten, overlapped );
486
487 if (is_console_handle(hFile))
488 return WriteConsoleA(hFile, buffer, bytesToWrite, bytesWritten, NULL);
489
490 if (overlapped)
491 {
492 offset.u.LowPart = overlapped->u.s.Offset;
493 offset.u.HighPart = overlapped->u.s.OffsetHigh;
494 poffset = &offset;
495 hEvent = overlapped->hEvent;
496 piosb = (PIO_STATUS_BLOCK)overlapped;
497 }
498 piosb->u.Status = STATUS_PENDING;
499 piosb->Information = 0;
500
501 status = NtWriteFile(hFile, hEvent, NULL, NULL, piosb,
502 buffer, bytesToWrite, poffset, NULL);
503
504 /* FIXME: NtWriteFile does not always cause page faults, generate them now */
505 if (status == STATUS_INVALID_USER_BUFFER && !IsBadReadPtr( buffer, bytesToWrite ))
506 {
507 status = NtWriteFile(hFile, hEvent, NULL, NULL, piosb,
508 buffer, bytesToWrite, poffset, NULL);
509 if (status != STATUS_INVALID_USER_BUFFER)
510 FIXME("Could not access memory (%p,%ld) at first, now OK. Protected by DIBSection code?\n",
511 buffer, bytesToWrite);
512 }
513
514 if (status != STATUS_PENDING && bytesWritten)
515 *bytesWritten = piosb->Information;
516
517 if (status && status != STATUS_TIMEOUT)
518 {
519 SetLastError( RtlNtStatusToDosError(status) );
520 return FALSE;
521 }
522 return TRUE;
523 }
524
525
526 /***********************************************************************
527 * GetOverlappedResult (KERNEL32.@)
528 *
529 * Check the result of an Asynchronous data transfer from a file.
530 *
531 * Parameters
532 * HANDLE hFile [in] handle of file to check on
533 * LPOVERLAPPED lpOverlapped [in/out] pointer to overlapped
534 * LPDWORD lpTransferred [in/out] number of bytes transferred
535 * BOOL bWait [in] wait for the transfer to complete ?
536 *
537 * RETURNS
538 * TRUE on success
539 * FALSE on failure
540 *
541 * If successful (and relevant) lpTransferred will hold the number of
542 * bytes transferred during the async operation.
543 *
544 * BUGS
545 *
546 * Currently only works for WaitCommEvent, ReadFile, WriteFile
547 * with communications ports.
548 *
549 */
550 BOOL WINAPI GetOverlappedResult(HANDLE hFile, LPOVERLAPPED lpOverlapped,
551 LPDWORD lpTransferred, BOOL bWait)
552 {
553 DWORD r = WAIT_OBJECT_0;
554
555 TRACE( "(%p %p %p %x)\n", hFile, lpOverlapped, lpTransferred, bWait );
556
557 if ( lpOverlapped == NULL )
558 {
559 ERR("lpOverlapped was null\n");
560 return FALSE;
561 }
562 if ( bWait )
563 {
564 if ( lpOverlapped->hEvent )
565 {
566 do
567 {
568 TRACE( "waiting on %p\n", lpOverlapped );
569 r = WaitForSingleObjectEx( lpOverlapped->hEvent, INFINITE, TRUE );
570 TRACE( "wait on %p returned %ld\n", lpOverlapped, r );
571 } while ( r == WAIT_IO_COMPLETION );
572 }
573 else
574 {
575 /* busy loop */
576 while ( ((volatile OVERLAPPED*)lpOverlapped)->Internal == STATUS_PENDING )
577 Sleep( 10 );
578 }
579 }
580 else if ( lpOverlapped->Internal == STATUS_PENDING )
581 {
582 /* Wait in order to give APCs a chance to run. */
583 /* This is cheating, so we must set the event again in case of success -
584 it may be a non-manual reset event. */
585 do
586 {
587 TRACE( "waiting on %p\n", lpOverlapped );
588 r = WaitForSingleObjectEx( lpOverlapped->hEvent, 0, TRUE );
589 TRACE( "wait on %p returned %ld\n", lpOverlapped, r );
590 } while ( r == WAIT_IO_COMPLETION );
591 if ( r == WAIT_OBJECT_0 && lpOverlapped->hEvent )
592 NtSetEvent( lpOverlapped->hEvent, NULL );
593 }
594 if ( r == WAIT_FAILED )
595 {
596 WARN("wait operation failed\n");
597 return FALSE;
598 }
599 if (lpTransferred) *lpTransferred = lpOverlapped->InternalHigh;
600
601 switch ( lpOverlapped->Internal )
602 {
603 case STATUS_SUCCESS:
604 return TRUE;
605 case STATUS_PENDING:
606 SetLastError( ERROR_IO_INCOMPLETE );
607 if ( bWait ) ERR("PENDING status after waiting!\n");
608 return FALSE;
609 default:
610 SetLastError( RtlNtStatusToDosError( lpOverlapped->Internal ) );
611 return FALSE;
612 }
613 }
614
615 /***********************************************************************
616 * CancelIo (KERNEL32.@)
617 */
618 BOOL WINAPI CancelIo(HANDLE handle)
619 {
620 IO_STATUS_BLOCK io_status;
621
622 NtCancelIoFile(handle, &io_status);
623 if (io_status.u.Status)
624 {
625 SetLastError( RtlNtStatusToDosError( io_status.u.Status ) );
626 return FALSE;
627 }
628 return TRUE;
629 }
630
631 /***********************************************************************
632 * _hread (KERNEL32.@)
633 */
634 LONG WINAPI _hread( HFILE hFile, LPVOID buffer, LONG count)
635 {
636 return _lread( hFile, buffer, count );
637 }
638
639
640 /***********************************************************************
641 * _hwrite (KERNEL32.@)
642 *
643 * experimentation yields that _lwrite:
644 * o truncates the file at the current position with
645 * a 0 len write
646 * o returns 0 on a 0 length write
647 * o works with console handles
648 *
649 */
650 LONG WINAPI _hwrite( HFILE handle, LPCSTR buffer, LONG count )
651 {
652 DWORD result;
653
654 TRACE("%d %p %ld\n", handle, buffer, count );
655
656 if (!count)
657 {
658 /* Expand or truncate at current position */
659 if (!SetEndOfFile( (HANDLE)handle )) return HFILE_ERROR;
660 return 0;
661 }
662 if (!WriteFile( (HANDLE)handle, buffer, count, &result, NULL ))
663 return HFILE_ERROR;
664 return result;
665 }
666
667
668 /***********************************************************************
669 * _lclose (KERNEL32.@)
670 */
671 HFILE WINAPI _lclose( HFILE hFile )
672 {
673 TRACE("handle %d\n", hFile );
674 return CloseHandle( (HANDLE)hFile ) ? 0 : HFILE_ERROR;
675 }
676
677
678 /***********************************************************************
679 * _lcreat (KERNEL32.@)
680 */
681 HFILE WINAPI _lcreat( LPCSTR path, INT attr )
682 {
683 /* Mask off all flags not explicitly allowed by the doc */
684 attr &= FILE_ATTRIBUTE_READONLY | FILE_ATTRIBUTE_HIDDEN | FILE_ATTRIBUTE_SYSTEM;
685 TRACE("%s %02x\n", path, attr );
686 return (HFILE)CreateFileA( path, GENERIC_READ | GENERIC_WRITE,
687 FILE_SHARE_READ | FILE_SHARE_WRITE, NULL,
688 CREATE_ALWAYS, attr, 0 );
689 }
690
691
692 /***********************************************************************
693 * _lopen (KERNEL32.@)
694 */
695 HFILE WINAPI _lopen( LPCSTR path, INT mode )
696 {
697 TRACE("(%s,%04x)\n", debugstr_a(path), mode );
698 return (HFILE)create_file_OF( path, mode & ~OF_CREATE );
699 }
700
701 /***********************************************************************
702 * _lread (KERNEL32.@)
703 */
704 UINT WINAPI _lread( HFILE handle, LPVOID buffer, UINT count )
705 {
706 DWORD result;
707 if (!ReadFile( (HANDLE)handle, buffer, count, &result, NULL ))
708 return HFILE_ERROR;
709 return result;
710 }
711
712
713 /***********************************************************************
714 * _llseek (KERNEL32.@)
715 */
716 LONG WINAPI _llseek( HFILE hFile, LONG lOffset, INT nOrigin )
717 {
718 return SetFilePointer( (HANDLE)hFile, lOffset, NULL, nOrigin );
719 }
720
721
722 /***********************************************************************
723 * _lwrite (KERNEL32.@)
724 */
725 UINT WINAPI _lwrite( HFILE hFile, LPCSTR buffer, UINT count )
726 {
727 return (UINT)_hwrite( hFile, buffer, (LONG)count );
728 }
729
730
731 /***********************************************************************
732 * FlushFileBuffers (KERNEL32.@)
733 */
734 BOOL WINAPI FlushFileBuffers( HANDLE hFile )
735 {
736 NTSTATUS nts;
737 IO_STATUS_BLOCK ioblk;
738
739 if (is_console_handle( hFile ))
740 {
741 /* this will fail (as expected) for an output handle */
742 return FlushConsoleInputBuffer( hFile );
743 }
744 nts = NtFlushBuffersFile( hFile, &ioblk );
745 if (nts != STATUS_SUCCESS)
746 {
747 SetLastError( RtlNtStatusToDosError( nts ) );
748 return FALSE;
749 }
750
751 return TRUE;
752 }
753
754
755 /***********************************************************************
756 * GetFileType (KERNEL32.@)
757 */
758 DWORD WINAPI GetFileType( HANDLE hFile )
759 {
760 FILE_FS_DEVICE_INFORMATION info;
761 IO_STATUS_BLOCK io;
762 NTSTATUS status;
763
764 if (is_console_handle( hFile )) return FILE_TYPE_CHAR;
765
766 status = NtQueryVolumeInformationFile( hFile, &io, &info, sizeof(info), FileFsDeviceInformation );
767 if (status != STATUS_SUCCESS)
768 {
769 SetLastError( RtlNtStatusToDosError(status) );
770 return FILE_TYPE_UNKNOWN;
771 }
772
773 switch(info.DeviceType)
774 {
775 case FILE_DEVICE_NULL:
776 case FILE_DEVICE_SERIAL_PORT:
777 case FILE_DEVICE_PARALLEL_PORT:
778 case FILE_DEVICE_UNKNOWN:
779 return FILE_TYPE_CHAR;
780 case FILE_DEVICE_NAMED_PIPE:
781 return FILE_TYPE_PIPE;
782 default:
783 return FILE_TYPE_DISK;
784 }
785 }
786
787
788 /***********************************************************************
789 * GetFileInformationByHandle (KERNEL32.@)
790 */
791 BOOL WINAPI GetFileInformationByHandle( HANDLE hFile, BY_HANDLE_FILE_INFORMATION *info )
792 {
793 FILE_ALL_INFORMATION all_info;
794 IO_STATUS_BLOCK io;
795 NTSTATUS status;
796
797 status = NtQueryInformationFile( hFile, &io, &all_info, sizeof(all_info), FileAllInformation );
798 if (status == STATUS_SUCCESS)
799 {
800 info->dwFileAttributes = all_info.BasicInformation.FileAttributes;
801 info->ftCreationTime.dwHighDateTime = all_info.BasicInformation.CreationTime.u.HighPart;
802 info->ftCreationTime.dwLowDateTime = all_info.BasicInformation.CreationTime.u.LowPart;
803 info->ftLastAccessTime.dwHighDateTime = all_info.BasicInformation.LastAccessTime.u.HighPart;
804 info->ftLastAccessTime.dwLowDateTime = all_info.BasicInformation.LastAccessTime.u.LowPart;
805 info->ftLastWriteTime.dwHighDateTime = all_info.BasicInformation.LastWriteTime.u.HighPart;
806 info->ftLastWriteTime.dwLowDateTime = all_info.BasicInformation.LastWriteTime.u.LowPart;
807 info->dwVolumeSerialNumber = 0; /* FIXME */
808 info->nFileSizeHigh = all_info.StandardInformation.EndOfFile.u.HighPart;
809 info->nFileSizeLow = all_info.StandardInformation.EndOfFile.u.LowPart;
810 info->nNumberOfLinks = all_info.StandardInformation.NumberOfLinks;
811 info->nFileIndexHigh = all_info.InternalInformation.IndexNumber.u.HighPart;
812 info->nFileIndexLow = all_info.InternalInformation.IndexNumber.u.LowPart;
813 return TRUE;
814 }
815 SetLastError( RtlNtStatusToDosError(status) );
816 return FALSE;
817 }
818
819
820 /***********************************************************************
821 * GetFileSize (KERNEL32.@)
822 */
823 DWORD WINAPI GetFileSize( HANDLE hFile, LPDWORD filesizehigh )
824 {
825 LARGE_INTEGER size;
826 if (!GetFileSizeEx( hFile, &size )) return INVALID_FILE_SIZE;
827 if (filesizehigh) *filesizehigh = size.u.HighPart;
828 if (size.u.LowPart == INVALID_FILE_SIZE) SetLastError(0);
829 return size.u.LowPart;
830 }
831
832
833 /***********************************************************************
834 * GetFileSizeEx (KERNEL32.@)
835 */
836 BOOL WINAPI GetFileSizeEx( HANDLE hFile, PLARGE_INTEGER lpFileSize )
837 {
838 FILE_END_OF_FILE_INFORMATION info;
839 IO_STATUS_BLOCK io;
840 NTSTATUS status;
841
842 status = NtQueryInformationFile( hFile, &io, &info, sizeof(info), FileEndOfFileInformation );
843 if (status == STATUS_SUCCESS)
844 {
845 *lpFileSize = info.EndOfFile;
846 return TRUE;
847 }
848 SetLastError( RtlNtStatusToDosError(status) );
849 return FALSE;
850 }
851
852
853 /**************************************************************************
854 * SetEndOfFile (KERNEL32.@)
855 */
856 BOOL WINAPI SetEndOfFile( HANDLE hFile )
857 {
858 FILE_POSITION_INFORMATION pos;
859 FILE_END_OF_FILE_INFORMATION eof;
860 IO_STATUS_BLOCK io;
861 NTSTATUS status;
862
863 status = NtQueryInformationFile( hFile, &io, &pos, sizeof(pos), FilePositionInformation );
864 if (status == STATUS_SUCCESS)
865 {
866 eof.EndOfFile = pos.CurrentByteOffset;
867 status = NtSetInformationFile( hFile, &io, &eof, sizeof(eof), FileEndOfFileInformation );
868 }
869 if (status == STATUS_SUCCESS) return TRUE;
870 SetLastError( RtlNtStatusToDosError(status) );
871 return FALSE;
872 }
873
874
875 /***********************************************************************
876 * SetFilePointer (KERNEL32.@)
877 */
878 DWORD WINAPI SetFilePointer( HANDLE hFile, LONG distance, LONG *highword, DWORD method )
879 {
880 LARGE_INTEGER dist, newpos;
881
882 if (highword)
883 {
884 dist.u.LowPart = distance;
885 dist.u.HighPart = *highword;
886 }
887 else dist.QuadPart = distance;
888
889 if (!SetFilePointerEx( hFile, dist, &newpos, method )) return INVALID_SET_FILE_POINTER;
890
891 if (highword) *highword = newpos.u.HighPart;
892 if (newpos.u.LowPart == INVALID_SET_FILE_POINTER) SetLastError( 0 );
893 return newpos.u.LowPart;
894 }
895
896
897 /***********************************************************************
898 * SetFilePointerEx (KERNEL32.@)
899 */
900 BOOL WINAPI SetFilePointerEx( HANDLE hFile, LARGE_INTEGER distance,
901 LARGE_INTEGER *newpos, DWORD method )
902 {
903 static const int whence[3] = { SEEK_SET, SEEK_CUR, SEEK_END };
904 BOOL ret = FALSE;
905 NTSTATUS status;
906 int fd;
907
908 TRACE("handle %p offset %s newpos %p origin %ld\n",
909 hFile, wine_dbgstr_longlong(distance.QuadPart), newpos, method );
910
911 if (method > FILE_END)
912 {
913 SetLastError( ERROR_INVALID_PARAMETER );
914 return ret;
915 }
916
917 if (!(status = wine_server_handle_to_fd( hFile, 0, &fd, NULL )))
918 {
919 off_t pos, res;
920
921 pos = distance.QuadPart;
922 if ((res = lseek( fd, pos, whence[method] )) == (off_t)-1)
923 {
924 /* also check EPERM due to SuSE7 2.2.16 lseek() EPERM kernel bug */
925 if (((errno == EINVAL) || (errno == EPERM)) && (method != FILE_BEGIN) && (pos < 0))
926 SetLastError( ERROR_NEGATIVE_SEEK );
927 else
928 FILE_SetDosError();
929 }
930 else
931 {
932 ret = TRUE;
933 if( newpos )
934 newpos->QuadPart = res;
935 }
936 wine_server_release_fd( hFile, fd );
937 }
938 else SetLastError( RtlNtStatusToDosError(status) );
939
940 return ret;
941 }
942
943 /***********************************************************************
944 * GetFileTime (KERNEL32.@)
945 */
946 BOOL WINAPI GetFileTime( HANDLE hFile, FILETIME *lpCreationTime,
947 FILETIME *lpLastAccessTime, FILETIME *lpLastWriteTime )
948 {
949 FILE_BASIC_INFORMATION info;
950 IO_STATUS_BLOCK io;
951 NTSTATUS status;
952
953 status = NtQueryInformationFile( hFile, &io, &info, sizeof(info), FileBasicInformation );
954 if (status == STATUS_SUCCESS)
955 {
956 if (lpCreationTime)
957 {
958 lpCreationTime->dwHighDateTime = info.CreationTime.u.HighPart;
959 lpCreationTime->dwLowDateTime = info.CreationTime.u.LowPart;
960 }
961 if (lpLastAccessTime)
962 {
963 lpLastAccessTime->dwHighDateTime = info.LastAccessTime.u.HighPart;
964 lpLastAccessTime->dwLowDateTime = info.LastAccessTime.u.LowPart;
965 }
966 if (lpLastWriteTime)
967 {
968 lpLastWriteTime->dwHighDateTime = info.LastWriteTime.u.HighPart;
969 lpLastWriteTime->dwLowDateTime = info.LastWriteTime.u.LowPart;
970 }
971 return TRUE;
972 }
973 SetLastError( RtlNtStatusToDosError(status) );
974 return FALSE;
975 }
976
977
978 /***********************************************************************
979 * SetFileTime (KERNEL32.@)
980 */
981 BOOL WINAPI SetFileTime( HANDLE hFile, const FILETIME *ctime,
982 const FILETIME *atime, const FILETIME *mtime )
983 {
984 FILE_BASIC_INFORMATION info;
985 IO_STATUS_BLOCK io;
986 NTSTATUS status;
987
988 memset( &info, 0, sizeof(info) );
989 if (ctime)
990 {
991 info.CreationTime.u.HighPart = ctime->dwHighDateTime;
992 info.CreationTime.u.LowPart = ctime->dwLowDateTime;
993 }
994 if (atime)
995 {
996 info.LastAccessTime.u.HighPart = atime->dwHighDateTime;
997 info.LastAccessTime.u.LowPart = atime->dwLowDateTime;
998 }
999 if (mtime)
1000 {
1001 info.LastWriteTime.u.HighPart = mtime->dwHighDateTime;
1002 info.LastWriteTime.u.LowPart = mtime->dwLowDateTime;
1003 }
1004
1005 status = NtSetInformationFile( hFile, &io, &info, sizeof(info), FileBasicInformation );
1006 if (status == STATUS_SUCCESS) return TRUE;
1007 SetLastError( RtlNtStatusToDosError(status) );
1008 return FALSE;
1009 }
1010
1011
1012 /**************************************************************************
1013 * LockFile (KERNEL32.@)
1014 */
1015 BOOL WINAPI LockFile( HANDLE hFile, DWORD offset_low, DWORD offset_high,
1016 DWORD count_low, DWORD count_high )
1017 {
1018 NTSTATUS status;
1019 LARGE_INTEGER count, offset;
1020
1021 TRACE( "%p %lx%08lx %lx%08lx\n",
1022 hFile, offset_high, offset_low, count_high, count_low );
1023
1024 count.u.LowPart = count_low;
1025 count.u.HighPart = count_high;
1026 offset.u.LowPart = offset_low;
1027 offset.u.HighPart = offset_high;
1028
1029 status = NtLockFile( hFile, 0, NULL, NULL,
1030 NULL, &offset, &count, NULL, TRUE, TRUE );
1031
1032 if (status != STATUS_SUCCESS) SetLastError( RtlNtStatusToDosError(status) );
1033 return !status;
1034 }
1035
1036
1037 /**************************************************************************
1038 * LockFileEx [KERNEL32.@]
1039 *
1040 * Locks a byte range within an open file for shared or exclusive access.
1041 *
1042 * RETURNS
1043 * success: TRUE
1044 * failure: FALSE
1045 *
1046 * NOTES
1047 * Per Microsoft docs, the third parameter (reserved) must be set to 0.
1048 */
1049 BOOL WINAPI LockFileEx( HANDLE hFile, DWORD flags, DWORD reserved,
1050 DWORD count_low, DWORD count_high, LPOVERLAPPED overlapped )
1051 {
1052 NTSTATUS status;
1053 LARGE_INTEGER count, offset;
1054
1055 if (reserved)
1056 {
1057 SetLastError( ERROR_INVALID_PARAMETER );
1058 return FALSE;
1059 }
1060
1061 TRACE( "%p %lx%08lx %lx%08lx flags %lx\n",
1062 hFile, overlapped->u.s.OffsetHigh, overlapped->u.s.Offset,
1063 count_high, count_low, flags );
1064
1065 count.u.LowPart = count_low;
1066 count.u.HighPart = count_high;
1067 offset.u.LowPart = overlapped->u.s.Offset;
1068 offset.u.HighPart = overlapped->u.s.OffsetHigh;
1069
1070 status = NtLockFile( hFile, overlapped->hEvent, NULL, NULL,
1071 NULL, &offset, &count, NULL,
1072 flags & LOCKFILE_FAIL_IMMEDIATELY,
1073 flags & LOCKFILE_EXCLUSIVE_LOCK );
1074
1075 if (status) SetLastError( RtlNtStatusToDosError(status) );
1076 return !status;
1077 }
1078
1079
1080 /**************************************************************************
1081 * UnlockFile (KERNEL32.@)
1082 */
1083 BOOL WINAPI UnlockFile( HANDLE hFile, DWORD offset_low, DWORD offset_high,
1084 DWORD count_low, DWORD count_high )
1085 {
1086 NTSTATUS status;
1087 LARGE_INTEGER count, offset;
1088
1089 count.u.LowPart = count_low;
1090 count.u.HighPart = count_high;
1091 offset.u.LowPart = offset_low;
1092 offset.u.HighPart = offset_high;
1093
1094 status = NtUnlockFile( hFile, NULL, &offset, &count, NULL);
1095 if (status) SetLastError( RtlNtStatusToDosError(status) );
1096 return !status;
1097 }
1098
1099
1100 /**************************************************************************
1101 * UnlockFileEx (KERNEL32.@)
1102 */
1103 BOOL WINAPI UnlockFileEx( HANDLE hFile, DWORD reserved, DWORD count_low, DWORD count_high,
1104 LPOVERLAPPED overlapped )
1105 {
1106 if (reserved)
1107 {
1108 SetLastError( ERROR_INVALID_PARAMETER );
1109 return FALSE;
1110 }
1111 if (overlapped->hEvent) FIXME("Unimplemented overlapped operation\n");
1112
1113 return UnlockFile( hFile, overlapped->u.s.Offset, overlapped->u.s.OffsetHigh, count_low, count_high );
1114 }
1115
1116
1117 /***********************************************************************
1118 * Win32HandleToDosFileHandle (KERNEL32.21)
1119 *
1120 * Allocate a DOS handle for a Win32 handle. The Win32 handle is no
1121 * longer valid after this function (even on failure).
1122 *
1123 * Note: this is not exactly right, since on Win95 the Win32 handles
1124 * are on top of DOS handles and we do it the other way
1125 * around. Should be good enough though.
1126 */
1127 HFILE WINAPI Win32HandleToDosFileHandle( HANDLE handle )
1128 {
1129 int i;
1130
1131 if (!handle || (handle == INVALID_HANDLE_VALUE))
1132 return HFILE_ERROR;
1133
1134 FILE_InitProcessDosHandles();
1135 for (i = 0; i < DOS_TABLE_SIZE; i++)
1136 if (!dos_handles[i])
1137 {
1138 dos_handles[i] = handle;
1139 TRACE("Got %d for h32 %p\n", i, handle );
1140 return (HFILE)i;
1141 }
1142 CloseHandle( handle );
1143 SetLastError( ERROR_TOO_MANY_OPEN_FILES );
1144 return HFILE_ERROR;
1145 }
1146
1147
1148 /***********************************************************************
1149 * DosFileHandleToWin32Handle (KERNEL32.20)
1150 *
1151 * Return the Win32 handle for a DOS handle.
1152 *
1153 * Note: this is not exactly right, since on Win95 the Win32 handles
1154 * are on top of DOS handles and we do it the other way
1155 * around. Should be good enough though.
1156 */
1157 HANDLE WINAPI DosFileHandleToWin32Handle( HFILE handle )
1158 {
1159 HFILE16 hfile = (HFILE16)handle;
1160 if (hfile < 5) FILE_InitProcessDosHandles();
1161 if ((hfile >= DOS_TABLE_SIZE) || !dos_handles[hfile])
1162 {
1163 SetLastError( ERROR_INVALID_HANDLE );
1164 return INVALID_HANDLE_VALUE;
1165 }
1166 return dos_handles[hfile];
1167 }
1168
1169
1170 /*************************************************************************
1171 * SetHandleCount (KERNEL32.@)
1172 */
1173 UINT WINAPI SetHandleCount( UINT count )
1174 {
1175 return min( 256, count );
1176 }
1177
1178
1179 /***********************************************************************
1180 * DisposeLZ32Handle (KERNEL32.22)
1181 *
1182 * Note: this is not entirely correct, we should only close the
1183 * 32-bit handle and not the 16-bit one, but we cannot do
1184 * this because of the way our DOS handles are implemented.
1185 * It shouldn't break anything though.
1186 */
1187 void WINAPI DisposeLZ32Handle( HANDLE handle )
1188 {
1189 int i;
1190
1191 if (!handle || (handle == INVALID_HANDLE_VALUE)) return;
1192
1193 for (i = 5; i < DOS_TABLE_SIZE; i++)
1194 if (dos_handles[i] == handle)
1195 {
1196 dos_handles[i] = 0;
1197 CloseHandle( handle );
1198 break;
1199 }
1200 }
1201
1202 /**************************************************************************
1203 * Operations on file names *
1204 **************************************************************************/
1205
1206
1207 /*************************************************************************
1208 * CreateFileW [KERNEL32.@] Creates or opens a file or other object
1209 *
1210 * Creates or opens an object, and returns a handle that can be used to
1211 * access that object.
1212 *
1213 * PARAMS
1214 *
1215 * filename [in] pointer to filename to be accessed
1216 * access [in] access mode requested
1217 * sharing [in] share mode
1218 * sa [in] pointer to security attributes
1219 * creation [in] how to create the file
1220 * attributes [in] attributes for newly created file
1221 * template [in] handle to file with extended attributes to copy
1222 *
1223 * RETURNS
1224 * Success: Open handle to specified file
1225 * Failure: INVALID_HANDLE_VALUE
1226 */
1227 HANDLE WINAPI CreateFileW( LPCWSTR filename, DWORD access, DWORD sharing,
1228 LPSECURITY_ATTRIBUTES sa, DWORD creation,
1229 DWORD attributes, HANDLE template )
1230 {
1231 NTSTATUS status;
1232 UINT options;
1233 OBJECT_ATTRIBUTES attr;
1234 UNICODE_STRING nameW;
1235 IO_STATUS_BLOCK io;
1236 HANDLE ret;
1237 DWORD dosdev;
1238 static const WCHAR bkslashes_with_dotW[] = {'\\','\\','.','\\',0};
1239 static const WCHAR coninW[] = {'C','O','N','I','N','$',0};
1240 static const WCHAR conoutW[] = {'C','O','N','O','U','T','$',0};
1241
1242 static const UINT nt_disposition[5] =
1243 {
1244 FILE_CREATE, /* CREATE_NEW */
1245 FILE_OVERWRITE_IF, /* CREATE_ALWAYS */
1246 FILE_OPEN, /* OPEN_EXISTING */
1247 FILE_OPEN_IF, /* OPEN_ALWAYS */
1248 FILE_OVERWRITE /* TRUNCATE_EXISTING */
1249 };
1250
1251
1252 /* sanity checks */
1253
1254 if (!filename || !filename[0])
1255 {
1256 SetLastError( ERROR_PATH_NOT_FOUND );
1257 return INVALID_HANDLE_VALUE;
1258 }
1259
1260 TRACE("%s %s%s%s%s%s%s creation %ld attributes 0x%lx\n", debugstr_w(filename),
1261 (access & GENERIC_READ)?"GENERIC_READ ":"",
1262 (access & GENERIC_WRITE)?"GENERIC_WRITE ":"",
1263 (!access)?"QUERY_ACCESS ":"",
1264 (sharing & FILE_SHARE_READ)?"FILE_SHARE_READ ":"",
1265 (sharing & FILE_SHARE_WRITE)?"FILE_SHARE_WRITE ":"",
1266 (sharing & FILE_SHARE_DELETE)?"FILE_SHARE_DELETE ":"",
1267 creation, attributes);
1268
1269 /* Open a console for CONIN$ or CONOUT$ */
1270
1271 if (!strcmpiW(filename, coninW) || !strcmpiW(filename, conoutW))
1272 {
1273 ret = OpenConsoleW(filename, access, (sa && sa->bInheritHandle), creation);
1274 goto done;
1275 }
1276
1277 if (!strncmpW(filename, bkslashes_with_dotW, 4))
1278 {
1279 static const WCHAR pipeW[] = {'P','I','P','E','\\',0};
1280 static const WCHAR mailslotW[] = {'M','A','I','L','S','L','O','T','\\',0};
1281
1282 if ((isalphaW(filename[4]) && filename[5] == ':' && filename[6] == '\0') ||
1283 !strncmpiW( filename + 4, pipeW, 5 ) ||
1284 !strncmpiW( filename + 4, mailslotW, 9 ))
1285 {
1286 dosdev = 0;
1287 }
1288 else if ((dosdev = RtlIsDosDeviceName_U( filename + 4 )))
1289 {
1290 dosdev += MAKELONG( 0, 4*sizeof(WCHAR) ); /* adjust position to start of filename */
1291 }
1292 else if (!(GetVersion() & 0x80000000))
1293 {
1294 dosdev = 0;
1295 }
1296 else if (filename[4])
1297 {
1298 ret = VXD_Open( filename+4, access, sa );
1299 goto done;
1300 }
1301 else
1302 {
1303 SetLastError( ERROR_INVALID_NAME );
1304 return INVALID_HANDLE_VALUE;
1305 }
1306 }
1307 else dosdev = RtlIsDosDeviceName_U( filename );
1308
1309 if (dosdev)
1310 {
1311 static const WCHAR conW[] = {'C','O','N'};
1312
1313 if (LOWORD(dosdev) == sizeof(conW) &&
1314 !memicmpW( filename + HIWORD(dosdev)/sizeof(WCHAR), conW, sizeof(conW)/sizeof(WCHAR)))
1315 {
1316 switch (access & (GENERIC_READ|GENERIC_WRITE))
1317 {
1318 case GENERIC_READ:
1319 ret = OpenConsoleW(coninW, access, (sa && sa->bInheritHandle), creation);
1320 goto done;
1321 case GENERIC_WRITE:
1322 ret = OpenConsoleW(conoutW, access, (sa && sa->bInheritHandle), creation);
1323 goto done;
1324 default:
1325 SetLastError( ERROR_FILE_NOT_FOUND );
1326 return INVALID_HANDLE_VALUE;
1327 }
1328 }
1329 }
1330
1331 if (creation < CREATE_NEW || creation > TRUNCATE_EXISTING)
1332 {
1333 SetLastError( ERROR_INVALID_PARAMETER );
1334 return INVALID_HANDLE_VALUE;
1335 }
1336
1337 if (!RtlDosPathNameToNtPathName_U( filename, &nameW, NULL, NULL ))
1338 {
1339 SetLastError( ERROR_PATH_NOT_FOUND );
1340 return INVALID_HANDLE_VALUE;
1341 }
1342
1343 /* now call NtCreateFile */
1344
1345 options = 0;
1346 if (attributes & FILE_FLAG_BACKUP_SEMANTICS)
1347 options |= FILE_OPEN_FOR_BACKUP_INTENT;
1348 else
1349 options |= FILE_NON_DIRECTORY_FILE;
1350 if (attributes & FILE_FLAG_DELETE_ON_CLOSE)
1351 {
1352 options |= FILE_DELETE_ON_CLOSE;
1353 access |= DELETE;
1354 }
1355 if (!(attributes & FILE_FLAG_OVERLAPPED))
1356 options |= FILE_SYNCHRONOUS_IO_ALERT;
1357 if (attributes & FILE_FLAG_RANDOM_ACCESS)
1358 options |= FILE_RANDOM_ACCESS;
1359 attributes &= FILE_ATTRIBUTE_VALID_FLAGS;
1360
1361 attr.Length = sizeof(attr);
1362 attr.RootDirectory = 0;
1363 attr.Attributes = OBJ_CASE_INSENSITIVE;
1364 attr.ObjectName = &nameW;
1365 attr.SecurityDescriptor = sa ? sa->lpSecurityDescriptor : NULL;
1366 attr.SecurityQualityOfService = NULL;
1367
1368 if (sa && sa->bInheritHandle) attr.Attributes |= OBJ_INHERIT;
1369
1370 status = NtCreateFile( &ret, access, &attr, &io, NULL, attributes,
1371 sharing, nt_disposition[creation - CREATE_NEW],
1372 options, NULL, 0 );
1373 if (status)
1374 {
1375 WARN("Unable to create file %s (status %lx)\n", debugstr_w(filename), status);
1376 ret = INVALID_HANDLE_VALUE;
1377
1378 /* In the case file creation was rejected due to CREATE_NEW flag
1379 * was specified and file with that name already exists, correct
1380 * last error is ERROR_FILE_EXISTS and not ERROR_ALREADY_EXISTS.
1381 * Note: RtlNtStatusToDosError is not the subject to blame here.
1382 */
1383 if (status == STATUS_OBJECT_NAME_COLLISION)
1384 SetLastError( ERROR_FILE_EXISTS );
1385 else
1386 SetLastError( RtlNtStatusToDosError(status) );
1387 }
1388 else SetLastError(0);
1389 RtlFreeUnicodeString( &nameW );
1390
1391 done:
1392 if (!ret) ret = INVALID_HANDLE_VALUE;
1393 TRACE("returning %p\n", ret);
1394 return ret;
1395 }
1396
1397
1398
1399 /*************************************************************************
1400 * CreateFileA (KERNEL32.@)
1401 *
1402 * See CreateFileW.
1403 */
1404 HANDLE WINAPI CreateFileA( LPCSTR filename, DWORD access, DWORD sharing,
1405 LPSECURITY_ATTRIBUTES sa, DWORD creation,
1406 DWORD attributes, HANDLE template)
1407 {
1408 WCHAR *nameW;
1409
1410 if (!(nameW = FILE_name_AtoW( filename, FALSE ))) return INVALID_HANDLE_VALUE;
1411 return CreateFileW( nameW, access, sharing, sa, creation, attributes, template );
1412 }
1413
1414
1415 /***********************************************************************
1416 * DeleteFileW (KERNEL32.@)
1417 */
1418 BOOL WINAPI DeleteFileW( LPCWSTR path )
1419 {
1420 UNICODE_STRING nameW;
1421 OBJECT_ATTRIBUTES attr;
1422 NTSTATUS status;
1423
1424 TRACE("%s\n", debugstr_w(path) );
1425
1426 if (!RtlDosPathNameToNtPathName_U( path, &nameW, NULL, NULL ))
1427 {
1428 SetLastError( ERROR_PATH_NOT_FOUND );
1429 return FALSE;
1430 }
1431
1432 attr.Length = sizeof(attr);
1433 attr.RootDirectory = 0;
1434 attr.Attributes = OBJ_CASE_INSENSITIVE;
1435 attr.ObjectName = &nameW;
1436 attr.SecurityDescriptor = NULL;
1437 attr.SecurityQualityOfService = NULL;
1438
1439 status = NtDeleteFile(&attr);
1440 RtlFreeUnicodeString( &nameW );
1441 if (status)
1442 {
1443 SetLastError( RtlNtStatusToDosError(status) );
1444 return FALSE;
1445 }
1446 return TRUE;
1447 }
1448
1449
1450 /***********************************************************************
1451 * DeleteFileA (KERNEL32.@)
1452 */
1453 BOOL WINAPI DeleteFileA( LPCSTR path )
1454 {
1455 WCHAR *pathW;
1456
1457 if (!(pathW = FILE_name_AtoW( path, FALSE ))) return FALSE;
1458 return DeleteFileW( pathW );
1459 }
1460
1461
1462 /**************************************************************************
1463 * ReplaceFileW (KERNEL32.@)
1464 * ReplaceFile (KERNEL32.@)
1465 */
1466 BOOL WINAPI ReplaceFileW(LPCWSTR lpReplacedFileName,LPCWSTR lpReplacementFileName,
1467 LPCWSTR lpBackupFileName, DWORD dwReplaceFlags,
1468 LPVOID lpExclude, LPVOID lpReserved)
1469 {
1470 FIXME("(%s,%s,%s,%08lx,%p,%p) stub\n",debugstr_w(lpReplacedFileName),debugstr_w(lpReplacementFileName),
1471 debugstr_w(lpBackupFileName),dwReplaceFlags,lpExclude,lpReserved);
1472 SetLastError(ERROR_UNABLE_TO_MOVE_REPLACEMENT);
1473 return FALSE;
1474 }
1475
1476
1477 /**************************************************************************
1478 * ReplaceFileA (KERNEL32.@)
1479 */
1480 BOOL WINAPI ReplaceFileA(LPCSTR lpReplacedFileName,LPCSTR lpReplacementFileName,
1481 LPCSTR lpBackupFileName, DWORD dwReplaceFlags,
1482 LPVOID lpExclude, LPVOID lpReserved)
1483 {
1484 FIXME("(%s,%s,%s,%08lx,%p,%p) stub\n",lpReplacedFileName,lpReplacementFileName,
1485 lpBackupFileName,dwReplaceFlags,lpExclude,lpReserved);
1486 SetLastError(ERROR_UNABLE_TO_MOVE_REPLACEMENT);
1487 return FALSE;
1488 }
1489
1490
1491 /*************************************************************************
1492 * FindFirstFileExW (KERNEL32.@)
1493 */
1494 HANDLE WINAPI FindFirstFileExW( LPCWSTR filename, FINDEX_INFO_LEVELS level,
1495 LPVOID data, FINDEX_SEARCH_OPS search_op,
1496 LPVOID filter, DWORD flags)
1497 {
1498 WCHAR *mask, *p;
1499 FIND_FIRST_INFO *info = NULL;
1500 UNICODE_STRING nt_name;
1501 OBJECT_ATTRIBUTES attr;
1502 IO_STATUS_BLOCK io;
1503 NTSTATUS status;
1504
1505 TRACE("%s %d %p %d %p %lx\n", debugstr_w(filename), level, data, search_op, filter, flags);
1506
1507 if ((search_op != FindExSearchNameMatch && search_op != FindExSearchLimitToDirectories)
1508 || flags != 0)
1509 {
1510 FIXME("options not implemented 0x%08x 0x%08lx\n", search_op, flags );
1511 return INVALID_HANDLE_VALUE;
1512 }
1513 if (level != FindExInfoStandard)
1514 {
1515 FIXME("info level %d not implemented\n", level );
1516 return INVALID_HANDLE_VALUE;
1517 }
1518
1519 if (!RtlDosPathNameToNtPathName_U( filename, &nt_name, &mask, NULL ))
1520 {
1521 SetLastError( ERROR_PATH_NOT_FOUND );
1522 return INVALID_HANDLE_VALUE;
1523 }
1524
1525 if (!mask || !*mask)
1526 {
1527 SetLastError( ERROR_FILE_NOT_FOUND );
1528 goto error;
1529 }
1530
1531 if (!(info = HeapAlloc( GetProcessHeap(), 0, sizeof(*info))))
1532 {
1533 SetLastError( ERROR_NOT_ENOUGH_MEMORY );
1534 goto error;
1535 }
1536
1537 if (!RtlCreateUnicodeString( &info->mask, mask ))
1538 {
1539 SetLastError( ERROR_NOT_ENOUGH_MEMORY );
1540 goto error;
1541 }
1542
1543 /* truncate dir name before mask */
1544 *mask = 0;
1545 nt_name.Length = (mask - nt_name.Buffer) * sizeof(WCHAR);
1546
1547 /* check if path is the root of the drive */
1548 info->is_root = FALSE;
1549 p = nt_name.Buffer + 4; /* skip \??\ prefix */
1550 if (p[0] && p[1] == ':')
1551 {
1552 p += 2;
1553 while (*p == '\\') p++;
1554 info->is_root = (*p == 0);
1555 }
1556
1557 attr.Length = sizeof(attr);
1558 attr.RootDirectory = 0;
1559 attr.Attributes = OBJ_CASE_INSENSITIVE;
1560 attr.ObjectName = &nt_name;
1561 attr.SecurityDescriptor = NULL;
1562 attr.SecurityQualityOfService = NULL;
1563
1564 status = NtOpenFile( &info->handle, GENERIC_READ, &attr, &io,
1565 FILE_SHARE_READ | FILE_SHARE_WRITE,
1566 FILE_DIRECTORY_FILE | FILE_SYNCHRONOUS_IO_NONALERT );
1567
1568 if (status != STATUS_SUCCESS)
1569 {
1570 RtlFreeUnicodeString( &info->mask );
1571 SetLastError( RtlNtStatusToDosError(status) );
1572 goto error;
1573 }
1574
1575 RtlInitializeCriticalSection( &info->cs );
1576 info->path = nt_name;
1577 info->magic = FIND_FIRST_MAGIC;
1578 info->data_pos = 0;
1579 info->data_len = 0;
1580 info->search_op = search_op;
1581
1582 if (!FindNextFileW( (HANDLE)info, data ))
1583 {
1584 TRACE( "%s not found\n", debugstr_w(filename) );
1585 FindClose( (HANDLE)info );
1586 SetLastError( ERROR_FILE_NOT_FOUND );
1587 return INVALID_HANDLE_VALUE;
1588 }
1589 return (HANDLE)info;
1590
1591 error:
1592 HeapFree( GetProcessHeap(), 0, info );
1593 RtlFreeUnicodeString( &nt_name );
1594 return INVALID_HANDLE_VALUE;
1595 }
1596
1597
1598 /*************************************************************************
1599 * FindNextFileW (KERNEL32.@)
1600 */
1601 BOOL WINAPI FindNextFileW( HANDLE handle, WIN32_FIND_DATAW *data )
1602 {
1603 FIND_FIRST_INFO *info;
1604 FILE_BOTH_DIR_INFORMATION *dir_info;
1605 BOOL ret = FALSE;
1606
1607 TRACE("%p %p\n", handle, data);
1608
1609 if (!handle || handle == INVALID_HANDLE_VALUE)
1610 {
1611 SetLastError( ERROR_INVALID_HANDLE );
1612 return ret;
1613 }
1614 info = (FIND_FIRST_INFO *)handle;
1615 if (info->magic != FIND_FIRST_MAGIC)
1616 {
1617 SetLastError( ERROR_INVALID_HANDLE );
1618 return ret;
1619 }
1620
1621 RtlEnterCriticalSection( &info->cs );
1622
1623 for (;;)
1624 {
1625 if (info->data_pos >= info->data_len) /* need to read some more data */
1626 {
1627 IO_STATUS_BLOCK io;
1628
1629 NtQueryDirectoryFile( info->handle, 0, NULL, NULL, &io, info->data, sizeof(info->data),
1630 FileBothDirectoryInformation, FALSE, &info->mask, FALSE );
1631 if (io.u.Status)
1632 {
1633 SetLastError( RtlNtStatusToDosError( io.u.Status ) );
1634 break;
1635 }
1636 info->data_len = io.Information;
1637 info->data_pos = 0;
1638 }
1639
1640 dir_info = (FILE_BOTH_DIR_INFORMATION *)(info->data + info->data_pos);
1641
1642 if (dir_info->NextEntryOffset) info->data_pos += dir_info->NextEntryOffset;
1643 else info->data_pos = info->data_len;
1644
1645 /* don't return '.' and '..' in the root of the drive */
1646 if (info->is_root)
1647 {
1648 if (dir_info->FileNameLength == sizeof(WCHAR) && dir_info->FileName[0] == '.') continue;
1649 if (dir_info->FileNameLength == 2 * sizeof(WCHAR) &&
1650 dir_info->FileName[0] == '.' && dir_info->FileName[1] == '.') continue;
1651 }
1652
1653 /* check for dir symlink */
1654 if ((dir_info->FileAttributes & FILE_ATTRIBUTE_DIRECTORY) &&
1655 (dir_info->FileAttributes & FILE_ATTRIBUTE_REPARSE_POINT))
1656 {
1657 if (!check_dir_symlink( info, dir_info )) continue;
1658 }
1659 if (info->search_op == FindExSearchLimitToDirectories &&
1660 (dir_info->FileAttributes & FILE_ATTRIBUTE_DIRECTORY) == 0)
1661 continue;
1662
1663 data->dwFileAttributes = dir_info->FileAttributes;
1664 data->ftCreationTime = *(FILETIME *)&dir_info->CreationTime;
1665 data->ftLastAccessTime = *(FILETIME *)&dir_info->LastAccessTime;
1666 data->ftLastWriteTime = *(FILETIME *)&dir_info->LastWriteTime;
1667 data->nFileSizeHigh = dir_info->EndOfFile.QuadPart >> 32;
1668 data->nFileSizeLow = (DWORD)dir_info->EndOfFile.QuadPart;
1669 data->dwReserved0 = 0;
1670 data->dwReserved1 = 0;
1671
1672 memcpy( data->cFileName, dir_info->FileName, dir_info->FileNameLength );
1673 data->cFileName[dir_info->FileNameLength/sizeof(WCHAR)] = 0;
1674 memcpy( data->cAlternateFileName, dir_info->ShortName, dir_info->ShortNameLength );
1675 data->cAlternateFileName[dir_info->ShortNameLength/sizeof(WCHAR)] = 0;
1676
1677 TRACE("returning %s (%s)\n",
1678 debugstr_w(data->cFileName), debugstr_w(data->cAlternateFileName) );
1679
1680 ret = TRUE;
1681 break;
1682 }
1683
1684 RtlLeaveCriticalSection( &info->cs );
1685 return ret;
1686 }
1687
1688
1689 /*************************************************************************
1690 * FindClose (KERNEL32.@)
1691 */
1692 BOOL WINAPI FindClose( HANDLE handle )
1693 {
1694 FIND_FIRST_INFO *info = (FIND_FIRST_INFO *)handle;
1695
1696 if (!handle || handle == INVALID_HANDLE_VALUE)
1697 {
1698 SetLastError( ERROR_INVALID_HANDLE );
1699 return FALSE;
1700 }
1701
1702 __TRY
1703 {
1704 if (info->magic == FIND_FIRST_MAGIC)
1705 {
1706 RtlEnterCriticalSection( &info->cs );
1707 if (info->magic == FIND_FIRST_MAGIC) /* in case someone else freed it in the meantime */
1708 {
1709 info->magic = 0;
1710 if (info->handle) CloseHandle( info->handle );
1711 info->handle = 0;
1712 RtlFreeUnicodeString( &info->mask );
1713 info->mask.Buffer = NULL;
1714 RtlFreeUnicodeString( &info->path );
1715 info->data_pos = 0;
1716 info->data_len = 0;
1717 RtlLeaveCriticalSection( &info->cs );
1718 RtlDeleteCriticalSection( &info->cs );
1719 HeapFree( GetProcessHeap(), 0, info );
1720 }
1721 }
1722 }
1723 __EXCEPT_PAGE_FAULT
1724 {
1725 WARN("Illegal handle %p\n", handle);
1726 SetLastError( ERROR_INVALID_HANDLE );
1727 return FALSE;
1728 }
1729 __ENDTRY
1730
1731 return TRUE;
1732 }
1733
1734
1735 /*************************************************************************
1736 * FindFirstFileA (KERNEL32.@)
1737 */
1738 HANDLE WINAPI FindFirstFileA( LPCSTR lpFileName, WIN32_FIND_DATAA *lpFindData )
1739 {
1740 return FindFirstFileExA(lpFileName, FindExInfoStandard, lpFindData,
1741 FindExSearchNameMatch, NULL, 0);
1742 }
1743
1744 /*************************************************************************
1745 * FindFirstFileExA (KERNEL32.@)
1746 */
1747 HANDLE WINAPI FindFirstFileExA( LPCSTR lpFileName, FINDEX_INFO_LEVELS fInfoLevelId,
1748 LPVOID lpFindFileData, FINDEX_SEARCH_OPS fSearchOp,
1749 LPVOID lpSearchFilter, DWORD dwAdditionalFlags)
1750 {
1751 HANDLE handle;
1752 WIN32_FIND_DATAA *dataA;
1753 WIN32_FIND_DATAW dataW;
1754 WCHAR *nameW;
1755
1756 if (!(nameW = FILE_name_AtoW( lpFileName, FALSE ))) return INVALID_HANDLE_VALUE;
1757
1758 handle = FindFirstFileExW(nameW, fInfoLevelId, &dataW, fSearchOp, lpSearchFilter, dwAdditionalFlags);
1759 if (handle == INVALID_HANDLE_VALUE) return handle;
1760
1761 dataA = (WIN32_FIND_DATAA *) lpFindFileData;
1762 dataA->dwFileAttributes = dataW.dwFileAttributes;
1763 dataA->ftCreationTime = dataW.ftCreationTime;
1764 dataA->ftLastAccessTime = dataW.ftLastAccessTime;
1765 dataA->ftLastWriteTime = dataW.ftLastWriteTime;
1766 dataA->nFileSizeHigh = dataW.nFileSizeHigh;
1767 dataA->nFileSizeLow = dataW.nFileSizeLow;
1768 FILE_name_WtoA( dataW.cFileName, -1, dataA->cFileName, sizeof(dataA->cFileName) );
1769 FILE_name_WtoA( dataW.cAlternateFileName, -1, dataA->cAlternateFileName,
1770 sizeof(dataA->cAlternateFileName) );
1771 return handle;
1772 }
1773
1774
1775 /*************************************************************************
1776 * FindFirstFileW (KERNEL32.@)
1777 */
1778 HANDLE WINAPI FindFirstFileW( LPCWSTR lpFileName, WIN32_FIND_DATAW *lpFindData )
1779 {
1780 return FindFirstFileExW(lpFileName, FindExInfoStandard, lpFindData,
1781 FindExSearchNameMatch, NULL, 0);
1782 }
1783
1784
1785 /*************************************************************************
1786 * FindNextFileA (KERNEL32.@)
1787 */
1788 BOOL WINAPI FindNextFileA( HANDLE handle, WIN32_FIND_DATAA *data )
1789 {
1790 WIN32_FIND_DATAW dataW;
1791
1792 if (!FindNextFileW( handle, &dataW )) return FALSE;
1793 data->dwFileAttributes = dataW.dwFileAttributes;
1794 data->ftCreationTime = dataW.ftCreationTime;
1795 data->ftLastAccessTime = dataW.ftLastAccessTime;
1796 data->ftLastWriteTime = dataW.ftLastWriteTime;
1797 data->nFileSizeHigh = dataW.nFileSizeHigh;
1798 data->nFileSizeLow = dataW.nFileSizeLow;
1799 FILE_name_WtoA( dataW.cFileName, -1, data->cFileName, sizeof(data->cFileName) );
1800 FILE_name_WtoA( dataW.cAlternateFileName, -1, data->cAlternateFileName,
1801 sizeof(data->cAlternateFileName) );
1802 return TRUE;
1803 }
1804
1805
1806 /**************************************************************************
1807 * GetFileAttributesW (KERNEL32.@)
1808 */
1809 DWORD WINAPI GetFileAttributesW( LPCWSTR name )
1810 {
1811 FILE_BASIC_INFORMATION info;
1812 UNICODE_STRING nt_name;
1813 OBJECT_ATTRIBUTES attr;
1814 NTSTATUS status;
1815
1816 TRACE("%s\n", debugstr_w(name));
1817
1818 if (!RtlDosPathNameToNtPathName_U( name, &nt_name, NULL, NULL ))
1819 {
1820 SetLastError( ERROR_PATH_NOT_FOUND );
1821 return INVALID_FILE_ATTRIBUTES;
1822 }
1823
1824 attr.Length = sizeof(attr);
1825 attr.RootDirectory = 0;
1826 attr.Attributes = OBJ_CASE_INSENSITIVE;
1827 attr.ObjectName = &nt_name;
1828 attr.SecurityDescriptor = NULL;
1829 attr.SecurityQualityOfService = NULL;
1830
1831 status = NtQueryAttributesFile( &attr, &info );
1832 RtlFreeUnicodeString( &nt_name );
1833
1834 if (status == STATUS_SUCCESS) return info.FileAttributes;
1835
1836 /* NtQueryAttributesFile fails on devices, but GetFileAttributesW succeeds */
1837 if (RtlIsDosDeviceName_U( name )) return FILE_ATTRIBUTE_ARCHIVE;
1838
1839 SetLastError( RtlNtStatusToDosError(status) );
1840 return INVALID_FILE_ATTRIBUTES;
1841 }
1842
1843
1844 /**************************************************************************
1845 * GetFileAttributesA (KERNEL32.@)
1846 */
1847 DWORD WINAPI GetFileAttributesA( LPCSTR name )
1848 {
1849 WCHAR *nameW;
1850
1851 if (!(nameW = FILE_name_AtoW( name, FALSE ))) return INVALID_FILE_ATTRIBUTES;
1852 return GetFileAttributesW( nameW );
1853 }
1854
1855
1856 /**************************************************************************
1857 * SetFileAttributesW (KERNEL32.@)
1858 */
1859 BOOL WINAPI SetFileAttributesW( LPCWSTR name, DWORD attributes )
1860 {
1861 UNICODE_STRING nt_name;
1862 OBJECT_ATTRIBUTES attr;
1863 IO_STATUS_BLOCK io;
1864 NTSTATUS status;
1865 HANDLE handle;
1866
1867 TRACE("%s %lx\n", debugstr_w(name), attributes);
1868
1869 if (!RtlDosPathNameToNtPathName_U( name, &nt_name, NULL, NULL ))
1870 {
1871 SetLastError( ERROR_PATH_NOT_FOUND );
1872 return FALSE;
1873 }
1874
1875 attr.Length = sizeof(attr);
1876 attr.RootDirectory = 0;
1877 attr.Attributes = OBJ_CASE_INSENSITIVE;
1878 attr.ObjectName = &nt_name;
1879 attr.SecurityDescriptor = NULL;
1880 attr.SecurityQualityOfService = NULL;
1881
1882 status = NtOpenFile( &handle, 0, &attr, &io, 0, FILE_SYNCHRONOUS_IO_NONALERT );
1883 RtlFreeUnicodeString( &nt_name );
1884
1885 if (status == STATUS_SUCCESS)
1886 {
1887 FILE_BASIC_INFORMATION info;
1888
1889 memset( &info, 0, sizeof(info) );
1890 info.FileAttributes = attributes | FILE_ATTRIBUTE_NORMAL; /* make sure it's not zero */
1891 status = NtSetInformationFile( handle, &io, &info, sizeof(info), FileBasicInformation );
1892 NtClose( handle );
1893 }
1894
1895 if (status == STATUS_SUCCESS) return TRUE;
1896 SetLastError( RtlNtStatusToDosError(status) );
1897 return FALSE;
1898 }
1899
1900
1901 /**************************************************************************
1902 * SetFileAttributesA (KERNEL32.@)
1903 */
1904 BOOL WINAPI SetFileAttributesA( LPCSTR name, DWORD attributes )
1905 {
1906 WCHAR *nameW;
1907
1908 if (!(nameW = FILE_name_AtoW( name, FALSE ))) return FALSE;
1909 return SetFileAttributesW( nameW, attributes );
1910 }
1911
1912
1913 /**************************************************************************
1914 * GetFileAttributesExW (KERNEL32.@)
1915 */
1916 BOOL WINAPI GetFileAttributesExW( LPCWSTR name, GET_FILEEX_INFO_LEVELS level, LPVOID ptr )
1917 {
1918 FILE_NETWORK_OPEN_INFORMATION info;
1919 WIN32_FILE_ATTRIBUTE_DATA *data = ptr;
1920 UNICODE_STRING nt_name;
1921 OBJECT_ATTRIBUTES attr;
1922 NTSTATUS status;
1923
1924 TRACE("%s %d %p\n", debugstr_w(name), level, ptr);
1925
1926 if (level != GetFileExInfoStandard)
1927 {
1928 SetLastError( ERROR_INVALID_PARAMETER );
1929 return FALSE;
1930 }
1931
1932 if (!RtlDosPathNameToNtPathName_U( name, &nt_name, NULL, NULL ))
1933 {
1934 SetLastError( ERROR_PATH_NOT_FOUND );
1935 return FALSE;
1936 }
1937
1938 attr.Length = sizeof(attr);
1939 attr.RootDirectory = 0;
1940 attr.Attributes = OBJ_CASE_INSENSITIVE;
1941 attr.ObjectName = &nt_name;
1942 attr.SecurityDescriptor = NULL;
1943 attr.SecurityQualityOfService = NULL;
1944
1945 status = NtQueryFullAttributesFile( &attr, &info );
1946 RtlFreeUnicodeString( &nt_name );
1947
1948 if (status != STATUS_SUCCESS)
1949 {
1950 SetLastError( RtlNtStatusToDosError(status) );
1951 return FALSE;
1952 }
1953
1954 data->dwFileAttributes = info.FileAttributes;
1955 data->ftCreationTime.dwLowDateTime = info.CreationTime.u.LowPart;
1956 data->ftCreationTime.dwHighDateTime = info.CreationTime.u.HighPart;
1957 data->ftLastAccessTime.dwLowDateTime = info.LastAccessTime.u.LowPart;
1958 data->ftLastAccessTime.dwHighDateTime = info.LastAccessTime.u.HighPart;
1959 data->ftLastWriteTime.dwLowDateTime = info.LastWriteTime.u.LowPart;
1960 data->ftLastWriteTime.dwHighDateTime = info.LastWriteTime.u.HighPart;
1961 data->nFileSizeLow = info.EndOfFile.u.LowPart;
1962 data->nFileSizeHigh = info.EndOfFile.u.HighPart;
1963 return TRUE;
1964 }
1965
1966
1967 /**************************************************************************
1968 * GetFileAttributesExA (KERNEL32.@)
1969 */
1970 BOOL WINAPI GetFileAttributesExA( LPCSTR name, GET_FILEEX_INFO_LEVELS level, LPVOID ptr )
1971 {
1972 WCHAR *nameW;
1973
1974 if (!(nameW = FILE_name_AtoW( name, FALSE ))) return FALSE;
1975 return GetFileAttributesExW( nameW, level, ptr );
1976 }
1977
1978
1979 /******************************************************************************
1980 * GetCompressedFileSizeW (KERNEL32.@)
1981 *
1982 * Get the actual number of bytes used on disk.
1983 *
1984 * RETURNS
1985 * Success: Low-order doubleword of number of bytes
1986 * Failure: INVALID_FILE_SIZE
1987 */
1988 DWORD WINAPI GetCompressedFileSizeW(
1989 LPCWSTR name, /* [in] Pointer to name of file */
1990 LPDWORD size_high ) /* [out] Receives high-order doubleword of size */
1991 {
1992 UNICODE_STRING nt_name;
1993 OBJECT_ATTRIBUTES attr;
1994 IO_STATUS_BLOCK io;
1995 NTSTATUS status;
1996 HANDLE handle;
1997 DWORD ret = INVALID_FILE_SIZE;
1998
1999 TRACE("%s %p\n", debugstr_w(name), size_high);
2000
2001 if (!RtlDosPathNameToNtPathName_U( name, &nt_name, NULL, NULL ))
2002 {
2003 SetLastError( ERROR_PATH_NOT_FOUND );
2004 return INVALID_FILE_SIZE;
2005 }
2006
2007 attr.Length = sizeof(attr);
2008 attr.RootDirectory = 0;
2009 attr.Attributes = OBJ_CASE_INSENSITIVE;
2010 attr.ObjectName = &nt_name;
2011 attr.SecurityDescriptor = NULL;
2012 attr.SecurityQualityOfService = NULL;
2013
2014 status = NtOpenFile( &handle, 0, &attr, &io, 0, FILE_SYNCHRONOUS_IO_NONALERT );
2015 RtlFreeUnicodeString( &nt_name );
2016
2017 if (status == STATUS_SUCCESS)
2018 {
2019 /* we don't support compressed files, simply return the file size */
2020 ret = GetFileSize( handle, size_high );
2021 NtClose( handle );
2022 }
2023 else SetLastError( RtlNtStatusToDosError(status) );
2024
2025 return ret;
2026 }
2027
2028
2029 /******************************************************************************
2030 * GetCompressedFileSizeA (KERNEL32.@)
2031 *
2032 * See GetCompressedFileSizeW.
2033 */
2034 DWORD WINAPI GetCompressedFileSizeA( LPCSTR name, LPDWORD size_high )
2035 {
2036 WCHAR *nameW;
2037
2038 if (!(nameW = FILE_name_AtoW( name, FALSE ))) return INVALID_FILE_SIZE;
2039 return GetCompressedFileSizeW( nameW, size_high );
2040 }
2041
2042
2043 /***********************************************************************
2044 * OpenFile (KERNEL32.@)
2045 */
2046 HFILE WINAPI OpenFile( LPCSTR name, OFSTRUCT *ofs, UINT mode )
2047 {
2048 HANDLE handle;
2049 FILETIME filetime;
2050 WORD filedatetime[2];
2051
2052 if (!ofs) return HFILE_ERROR;
2053
2054 TRACE("%s %s %s %s%s%s%s%s%s%s%s%s\n",name,
2055 ((mode & 0x3 )==OF_READ)?"OF_READ":
2056 ((mode & 0x3 )==OF_WRITE)?"OF_WRITE":
2057 ((mode & 0x3 )==OF_READWRITE)?"OF_READWRITE":"unknown",
2058 ((mode & 0x70 )==OF_SHARE_COMPAT)?"OF_SHARE_COMPAT":
2059 ((mode & 0x70 )==OF_SHARE_DENY_NONE)?"OF_SHARE_DENY_NONE":
2060 ((mode & 0x70 )==OF_SHARE_DENY_READ)?"OF_SHARE_DENY_READ":
2061 ((mode & 0x70 )==OF_SHARE_DENY_WRITE)?"OF_SHARE_DENY_WRITE":
2062 ((mode & 0x70 )==OF_SHARE_EXCLUSIVE)?"OF_SHARE_EXCLUSIVE":"unknown",
2063 ((mode & OF_PARSE )==OF_PARSE)?"OF_PARSE ":"",
2064 ((mode & OF_DELETE )==OF_DELETE)?"OF_DELETE ":"",
2065 ((mode & OF_VERIFY )==OF_VERIFY)?"OF_VERIFY ":"",
2066 ((mode & OF_SEARCH )==OF_SEARCH)?"OF_SEARCH ":"",
2067 ((mode & OF_CANCEL )==OF_CANCEL)?"OF_CANCEL ":"",
2068 ((mode & OF_CREATE )==OF_CREATE)?"OF_CREATE ":"",
2069 ((mode & OF_PROMPT )==OF_PROMPT)?"OF_PROMPT ":"",
2070 ((mode & OF_EXIST )==OF_EXIST)?"OF_EXIST ":"",
2071 ((mode & OF_REOPEN )==OF_REOPEN)?"OF_REOPEN ":""
2072 );
2073
2074
2075 ofs->cBytes = sizeof(OFSTRUCT);
2076 ofs->nErrCode = 0;
2077 if (mode & OF_REOPEN) name = ofs->szPathName;
2078
2079 if (!name) return HFILE_ERROR;
2080
2081 TRACE("%s %04x\n", name, mode );
2082
2083 /* the watcom 10.6 IDE relies on a valid path returned in ofs->szPathName
2084 Are there any cases where getting the path here is wrong?
2085 Uwe Bonnes 1997 Apr 2 */
2086 if (!GetFullPathNameA( name, sizeof(ofs->szPathName), ofs->szPathName, NULL )) goto error;
2087
2088 /* OF_PARSE simply fills the structure */
2089
2090 if (mode & OF_PARSE)
2091 {
2092 ofs->fFixedDisk = (GetDriveTypeA( ofs->szPathName ) != DRIVE_REMOVABLE);
2093 TRACE("(%s): OF_PARSE, res = '%s'\n", name, ofs->szPathName );
2094 return 0;
2095 }
2096
2097 /* OF_CREATE is completely different from all other options, so
2098 handle it first */
2099
2100 if (mode & OF_CREATE)
2101 {
2102 if ((handle = create_file_OF( name, mode )) == INVALID_HANDLE_VALUE)
2103 goto error;
2104 }
2105 else
2106 {
2107 /* Now look for the file */
2108
2109 if (!SearchPathA( NULL, name, NULL, sizeof(ofs->szPathName), ofs->szPathName, NULL ))
2110 goto error;
2111
2112 TRACE("found %s\n", debugstr_a(ofs->szPathName) );
2113
2114 if (mode & OF_DELETE)
2115 {
2116 if (!DeleteFileA( ofs->szPathName )) goto error;
2117 TRACE("(%s): OF_DELETE return = OK\n", name);
2118 return TRUE;
2119 }
2120
2121 handle = (HANDLE)_lopen( ofs->szPathName, mode );
2122 if (handle == INVALID_HANDLE_VALUE) goto error;
2123
2124 GetFileTime( handle, NULL, NULL, &filetime );
2125 FileTimeToDosDateTime( &filetime, &filedatetime[0], &filedatetime[1] );
2126 if ((mode & OF_VERIFY) && (mode & OF_REOPEN))
2127 {
2128 if (ofs->Reserved1 != filedatetime[0] || ofs->Reserved2 != filedatetime[1] )
2129 {
2130 CloseHandle( handle );
2131 WARN("(%s): OF_VERIFY failed\n", name );
2132 /* FIXME: what error here? */
2133 SetLastError( ERROR_FILE_NOT_FOUND );
2134 goto error;
2135 }
2136 }
2137 ofs->Reserved1 = filedatetime[0];
2138 ofs->Reserved2 = filedatetime[1];
2139 }
2140 TRACE("(%s): OK, return = %p\n", name, handle );
2141 if (mode & OF_EXIST) /* Return TRUE instead of a handle */
2142 {
2143 CloseHandle( handle );
2144 return TRUE;
2145 }
2146 else return (HFILE)handle;
2147
2148 error: /* We get here if there was an error opening the file */
2149 ofs->nErrCode = GetLastError();
2150 WARN("(%s): return = HFILE_ERROR error= %d\n", name,ofs->nErrCode );
2151 return HFILE_ERROR;
2152 }
Maarten's multimedia branch