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push 735ae92a6c6e93f1d42ab1ae3fd17e22de57873e
[wine/hacks.git] / dlls / kernel32 / file.c
blobb3cf323df6020b8827571794a40b4e0caa540196
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 * BUGS
544 *
545 * Currently only works for WaitCommEvent, ReadFile, WriteFile
546 * with communications ports.
547 *
548 */
549 BOOL WINAPI GetOverlappedResult(HANDLE hFile, LPOVERLAPPED lpOverlapped,
550 LPDWORD lpTransferred, BOOL bWait)
551 {
552 DWORD r = WAIT_OBJECT_0;
553
554 TRACE( "(%p %p %p %x)\n", hFile, lpOverlapped, lpTransferred, bWait );
555
556 if ( lpOverlapped == NULL )
557 {
558 ERR("lpOverlapped was null\n");
559 return FALSE;
560 }
561 if ( bWait )
562 {
563 if ( lpOverlapped->hEvent )
564 {
565 do
566 {
567 TRACE( "waiting on %p\n", lpOverlapped );
568 r = WaitForSingleObjectEx( lpOverlapped->hEvent, INFINITE, TRUE );
569 TRACE( "wait on %p returned %d\n", lpOverlapped, r );
570 } while ( r == WAIT_IO_COMPLETION );
571 }
572 else
573 {
574 /* busy loop */
575 while ( ((volatile OVERLAPPED*)lpOverlapped)->Internal == STATUS_PENDING )
576 Sleep( 10 );
577 }
578 }
579 else if ( lpOverlapped->Internal == STATUS_PENDING )
580 {
581 /* Wait in order to give APCs a chance to run. */
582 /* This is cheating, so we must set the event again in case of success -
583 it may be a non-manual reset event. */
584 do
585 {
586 TRACE( "waiting on %p\n", lpOverlapped );
587 r = WaitForSingleObjectEx( lpOverlapped->hEvent, 0, TRUE );
588 TRACE( "wait on %p returned %d\n", lpOverlapped, r );
589 } while ( r == WAIT_IO_COMPLETION );
590 if ( r == WAIT_OBJECT_0 && lpOverlapped->hEvent )
591 NtSetEvent( lpOverlapped->hEvent, NULL );
592 }
593 if ( r == WAIT_FAILED )
594 {
595 WARN("wait operation failed\n");
596 return FALSE;
597 }
598 if (lpTransferred) *lpTransferred = lpOverlapped->InternalHigh;
599
600 switch ( lpOverlapped->Internal )
601 {
602 case STATUS_SUCCESS:
603 return TRUE;
604 case STATUS_PENDING:
605 SetLastError( ERROR_IO_INCOMPLETE );
606 if ( bWait ) ERR("PENDING status after waiting!\n");
607 return FALSE;
608 default:
609 SetLastError( RtlNtStatusToDosError( lpOverlapped->Internal ) );
610 return FALSE;
611 }
612 }
613
614 /***********************************************************************
615 * CancelIo (KERNEL32.@)
616 *
617 * Cancels pending I/O operations initiated by the current thread on a file.
618 *
619 * PARAMS
620 * handle [I] File handle.
621 *
622 * RETURNS
623 * Success: TRUE.
624 * Failure: FALSE, check GetLastError().
625 */
626 BOOL WINAPI CancelIo(HANDLE handle)
627 {
628 IO_STATUS_BLOCK io_status;
629
630 NtCancelIoFile(handle, &io_status);
631 if (io_status.u.Status)
632 {
633 SetLastError( RtlNtStatusToDosError( io_status.u.Status ) );
634 return FALSE;
635 }
636 return TRUE;
637 }
638
639 /***********************************************************************
640 * _hread (KERNEL32.@)
641 */
642 LONG WINAPI _hread( HFILE hFile, LPVOID buffer, LONG count)
643 {
644 return _lread( hFile, buffer, count );
645 }
646
647
648 /***********************************************************************
649 * _hwrite (KERNEL32.@)
650 *
651 * experimentation yields that _lwrite:
652 * o truncates the file at the current position with
653 * a 0 len write
654 * o returns 0 on a 0 length write
655 * o works with console handles
656 *
657 */
658 LONG WINAPI _hwrite( HFILE handle, LPCSTR buffer, LONG count )
659 {
660 DWORD result;
661
662 TRACE("%d %p %d\n", handle, buffer, count );
663
664 if (!count)
665 {
666 /* Expand or truncate at current position */
667 if (!SetEndOfFile( (HANDLE)handle )) return HFILE_ERROR;
668 return 0;
669 }
670 if (!WriteFile( (HANDLE)handle, buffer, count, &result, NULL ))
671 return HFILE_ERROR;
672 return result;
673 }
674
675
676 /***********************************************************************
677 * _lclose (KERNEL32.@)
678 */
679 HFILE WINAPI _lclose( HFILE hFile )
680 {
681 TRACE("handle %d\n", hFile );
682 return CloseHandle( (HANDLE)hFile ) ? 0 : HFILE_ERROR;
683 }
684
685
686 /***********************************************************************
687 * _lcreat (KERNEL32.@)
688 */
689 HFILE WINAPI _lcreat( LPCSTR path, INT attr )
690 {
691 /* Mask off all flags not explicitly allowed by the doc */
692 attr &= FILE_ATTRIBUTE_READONLY | FILE_ATTRIBUTE_HIDDEN | FILE_ATTRIBUTE_SYSTEM;
693 TRACE("%s %02x\n", path, attr );
694 return (HFILE)CreateFileA( path, GENERIC_READ | GENERIC_WRITE,
695 FILE_SHARE_READ | FILE_SHARE_WRITE, NULL,
696 CREATE_ALWAYS, attr, 0 );
697 }
698
699
700 /***********************************************************************
701 * _lopen (KERNEL32.@)
702 */
703 HFILE WINAPI _lopen( LPCSTR path, INT mode )
704 {
705 TRACE("(%s,%04x)\n", debugstr_a(path), mode );
706 return (HFILE)create_file_OF( path, mode & ~OF_CREATE );
707 }
708
709 /***********************************************************************
710 * _lread (KERNEL32.@)
711 */
712 UINT WINAPI _lread( HFILE handle, LPVOID buffer, UINT count )
713 {
714 DWORD result;
715 if (!ReadFile( (HANDLE)handle, buffer, count, &result, NULL ))
716 return HFILE_ERROR;
717 return result;
718 }
719
720
721 /***********************************************************************
722 * _llseek (KERNEL32.@)
723 */
724 LONG WINAPI _llseek( HFILE hFile, LONG lOffset, INT nOrigin )
725 {
726 return SetFilePointer( (HANDLE)hFile, lOffset, NULL, nOrigin );
727 }
728
729
730 /***********************************************************************
731 * _lwrite (KERNEL32.@)
732 */
733 UINT WINAPI _lwrite( HFILE hFile, LPCSTR buffer, UINT count )
734 {
735 return (UINT)_hwrite( hFile, buffer, (LONG)count );
736 }
737
738
739 /***********************************************************************
740 * FlushFileBuffers (KERNEL32.@)
741 */
742 BOOL WINAPI FlushFileBuffers( HANDLE hFile )
743 {
744 NTSTATUS nts;
745 IO_STATUS_BLOCK ioblk;
746
747 if (is_console_handle( hFile ))
748 {
749 /* this will fail (as expected) for an output handle */
750 return FlushConsoleInputBuffer( hFile );
751 }
752 nts = NtFlushBuffersFile( hFile, &ioblk );
753 if (nts != STATUS_SUCCESS)
754 {
755 SetLastError( RtlNtStatusToDosError( nts ) );
756 return FALSE;
757 }
758
759 return TRUE;
760 }
761
762
763 /***********************************************************************
764 * GetFileType (KERNEL32.@)
765 */
766 DWORD WINAPI GetFileType( HANDLE hFile )
767 {
768 FILE_FS_DEVICE_INFORMATION info;
769 IO_STATUS_BLOCK io;
770 NTSTATUS status;
771
772 if (is_console_handle( hFile )) return FILE_TYPE_CHAR;
773
774 status = NtQueryVolumeInformationFile( hFile, &io, &info, sizeof(info), FileFsDeviceInformation );
775 if (status != STATUS_SUCCESS)
776 {
777 SetLastError( RtlNtStatusToDosError(status) );
778 return FILE_TYPE_UNKNOWN;
779 }
780
781 switch(info.DeviceType)
782 {
783 case FILE_DEVICE_NULL:
784 case FILE_DEVICE_SERIAL_PORT:
785 case FILE_DEVICE_PARALLEL_PORT:
786 case FILE_DEVICE_TAPE:
787 case FILE_DEVICE_UNKNOWN:
788 return FILE_TYPE_CHAR;
789 case FILE_DEVICE_NAMED_PIPE:
790 return FILE_TYPE_PIPE;
791 default:
792 return FILE_TYPE_DISK;
793 }
794 }
795
796
797 /***********************************************************************
798 * GetFileInformationByHandle (KERNEL32.@)
799 */
800 BOOL WINAPI GetFileInformationByHandle( HANDLE hFile, BY_HANDLE_FILE_INFORMATION *info )
801 {
802 FILE_ALL_INFORMATION all_info;
803 IO_STATUS_BLOCK io;
804 NTSTATUS status;
805
806 status = NtQueryInformationFile( hFile, &io, &all_info, sizeof(all_info), FileAllInformation );
807 if (status == STATUS_SUCCESS)
808 {
809 info->dwFileAttributes = all_info.BasicInformation.FileAttributes;
810 info->ftCreationTime.dwHighDateTime = all_info.BasicInformation.CreationTime.u.HighPart;
811 info->ftCreationTime.dwLowDateTime = all_info.BasicInformation.CreationTime.u.LowPart;
812 info->ftLastAccessTime.dwHighDateTime = all_info.BasicInformation.LastAccessTime.u.HighPart;
813 info->ftLastAccessTime.dwLowDateTime = all_info.BasicInformation.LastAccessTime.u.LowPart;
814 info->ftLastWriteTime.dwHighDateTime = all_info.BasicInformation.LastWriteTime.u.HighPart;
815 info->ftLastWriteTime.dwLowDateTime = all_info.BasicInformation.LastWriteTime.u.LowPart;
816 info->dwVolumeSerialNumber = 0; /* FIXME */
817 info->nFileSizeHigh = all_info.StandardInformation.EndOfFile.u.HighPart;
818 info->nFileSizeLow = all_info.StandardInformation.EndOfFile.u.LowPart;
819 info->nNumberOfLinks = all_info.StandardInformation.NumberOfLinks;
820 info->nFileIndexHigh = all_info.InternalInformation.IndexNumber.u.HighPart;
821 info->nFileIndexLow = all_info.InternalInformation.IndexNumber.u.LowPart;
822 return TRUE;
823 }
824 SetLastError( RtlNtStatusToDosError(status) );
825 return FALSE;
826 }
827
828
829 /***********************************************************************
830 * GetFileSize (KERNEL32.@)
831 *
832 * Retrieve the size of a file.
833 *
834 * PARAMS
835 * hFile [I] File to retrieve size of.
836 * filesizehigh [O] On return, the high bits of the file size.
837 *
838 * RETURNS
839 * Success: The low bits of the file size.
840 * Failure: INVALID_FILE_SIZE. As this is could also be a success value,
841 * check GetLastError() for values other than ERROR_SUCCESS.
842 */
843 DWORD WINAPI GetFileSize( HANDLE hFile, LPDWORD filesizehigh )
844 {
845 LARGE_INTEGER size;
846 if (!GetFileSizeEx( hFile, &size )) return INVALID_FILE_SIZE;
847 if (filesizehigh) *filesizehigh = size.u.HighPart;
848 if (size.u.LowPart == INVALID_FILE_SIZE) SetLastError(0);
849 return size.u.LowPart;
850 }
851
852
853 /***********************************************************************
854 * GetFileSizeEx (KERNEL32.@)
855 *
856 * Retrieve the size of a file.
857 *
858 * PARAMS
859 * hFile [I] File to retrieve size of.
860 * lpFileSIze [O] On return, the size of the file.
861 *
862 * RETURNS
863 * Success: TRUE.
864 * Failure: FALSE, check GetLastError().
865 */
866 BOOL WINAPI GetFileSizeEx( HANDLE hFile, PLARGE_INTEGER lpFileSize )
867 {
868 FILE_END_OF_FILE_INFORMATION info;
869 IO_STATUS_BLOCK io;
870 NTSTATUS status;
871
872 status = NtQueryInformationFile( hFile, &io, &info, sizeof(info), FileEndOfFileInformation );
873 if (status == STATUS_SUCCESS)
874 {
875 *lpFileSize = info.EndOfFile;
876 return TRUE;
877 }
878 SetLastError( RtlNtStatusToDosError(status) );
879 return FALSE;
880 }
881
882
883 /**************************************************************************
884 * SetEndOfFile (KERNEL32.@)
885 *
886 * Sets the current position as the end of the file.
887 *
888 * PARAMS
889 * hFile [I] File handle.
890 *
891 * RETURNS
892 * Success: TRUE.
893 * Failure: FALSE, check GetLastError().
894 */
895 BOOL WINAPI SetEndOfFile( HANDLE hFile )
896 {
897 FILE_POSITION_INFORMATION pos;
898 FILE_END_OF_FILE_INFORMATION eof;
899 IO_STATUS_BLOCK io;
900 NTSTATUS status;
901
902 status = NtQueryInformationFile( hFile, &io, &pos, sizeof(pos), FilePositionInformation );
903 if (status == STATUS_SUCCESS)
904 {
905 eof.EndOfFile = pos.CurrentByteOffset;
906 status = NtSetInformationFile( hFile, &io, &eof, sizeof(eof), FileEndOfFileInformation );
907 }
908 if (status == STATUS_SUCCESS) return TRUE;
909 SetLastError( RtlNtStatusToDosError(status) );
910 return FALSE;
911 }
912
913
914 /***********************************************************************
915 * SetFilePointer (KERNEL32.@)
916 */
917 DWORD WINAPI SetFilePointer( HANDLE hFile, LONG distance, LONG *highword, DWORD method )
918 {
919 LARGE_INTEGER dist, newpos;
920
921 if (highword)
922 {
923 dist.u.LowPart = distance;
924 dist.u.HighPart = *highword;
925 }
926 else dist.QuadPart = distance;
927
928 if (!SetFilePointerEx( hFile, dist, &newpos, method )) return INVALID_SET_FILE_POINTER;
929
930 if (highword) *highword = newpos.u.HighPart;
931 if (newpos.u.LowPart == INVALID_SET_FILE_POINTER) SetLastError( 0 );
932 return newpos.u.LowPart;
933 }
934
935
936 /***********************************************************************
937 * SetFilePointerEx (KERNEL32.@)
938 */
939 BOOL WINAPI SetFilePointerEx( HANDLE hFile, LARGE_INTEGER distance,
940 LARGE_INTEGER *newpos, DWORD method )
941 {
942 LONGLONG pos;
943 IO_STATUS_BLOCK io;
944 FILE_POSITION_INFORMATION info;
945
946 switch(method)
947 {
948 case FILE_BEGIN:
949 pos = distance.QuadPart;
950 break;
951 case FILE_CURRENT:
952 if (NtQueryInformationFile( hFile, &io, &info, sizeof(info), FilePositionInformation ))
953 goto error;
954 pos = info.CurrentByteOffset.QuadPart + distance.QuadPart;
955 break;
956 case FILE_END:
957 {
958 FILE_END_OF_FILE_INFORMATION eof;
959 if (NtQueryInformationFile( hFile, &io, &eof, sizeof(eof), FileEndOfFileInformation ))
960 goto error;
961 pos = eof.EndOfFile.QuadPart + distance.QuadPart;
962 }
963 break;
964 default:
965 SetLastError( ERROR_INVALID_PARAMETER );
966 return FALSE;
967 }
968
969 if (pos < 0)
970 {
971 SetLastError( ERROR_NEGATIVE_SEEK );
972 return FALSE;
973 }
974
975 info.CurrentByteOffset.QuadPart = pos;
976 if (NtSetInformationFile( hFile, &io, &info, sizeof(info), FilePositionInformation ))
977 goto error;
978 if (newpos) newpos->QuadPart = pos;
979 return TRUE;
980
981 error:
982 SetLastError( RtlNtStatusToDosError(io.u.Status) );
983 return FALSE;
984 }
985
986 /***********************************************************************
987 * GetFileTime (KERNEL32.@)
988 */
989 BOOL WINAPI GetFileTime( HANDLE hFile, FILETIME *lpCreationTime,
990 FILETIME *lpLastAccessTime, FILETIME *lpLastWriteTime )
991 {
992 FILE_BASIC_INFORMATION info;
993 IO_STATUS_BLOCK io;
994 NTSTATUS status;
995
996 status = NtQueryInformationFile( hFile, &io, &info, sizeof(info), FileBasicInformation );
997 if (status == STATUS_SUCCESS)
998 {
999 if (lpCreationTime)
1000 {
1001 lpCreationTime->dwHighDateTime = info.CreationTime.u.HighPart;
1002 lpCreationTime->dwLowDateTime = info.CreationTime.u.LowPart;
1003 }
1004 if (lpLastAccessTime)
1005 {
1006 lpLastAccessTime->dwHighDateTime = info.LastAccessTime.u.HighPart;
1007 lpLastAccessTime->dwLowDateTime = info.LastAccessTime.u.LowPart;
1008 }
1009 if (lpLastWriteTime)
1010 {
1011 lpLastWriteTime->dwHighDateTime = info.LastWriteTime.u.HighPart;
1012 lpLastWriteTime->dwLowDateTime = info.LastWriteTime.u.LowPart;
1013 }
1014 return TRUE;
1015 }
1016 SetLastError( RtlNtStatusToDosError(status) );
1017 return FALSE;
1018 }
1019
1020
1021 /***********************************************************************
1022 * SetFileTime (KERNEL32.@)
1023 */
1024 BOOL WINAPI SetFileTime( HANDLE hFile, const FILETIME *ctime,
1025 const FILETIME *atime, const FILETIME *mtime )
1026 {
1027 FILE_BASIC_INFORMATION info;
1028 IO_STATUS_BLOCK io;
1029 NTSTATUS status;
1030
1031 memset( &info, 0, sizeof(info) );
1032 if (ctime)
1033 {
1034 info.CreationTime.u.HighPart = ctime->dwHighDateTime;
1035 info.CreationTime.u.LowPart = ctime->dwLowDateTime;
1036 }
1037 if (atime)
1038 {
1039 info.LastAccessTime.u.HighPart = atime->dwHighDateTime;
1040 info.LastAccessTime.u.LowPart = atime->dwLowDateTime;
1041 }
1042 if (mtime)
1043 {
1044 info.LastWriteTime.u.HighPart = mtime->dwHighDateTime;
1045 info.LastWriteTime.u.LowPart = mtime->dwLowDateTime;
1046 }
1047
1048 status = NtSetInformationFile( hFile, &io, &info, sizeof(info), FileBasicInformation );
1049 if (status == STATUS_SUCCESS) return TRUE;
1050 SetLastError( RtlNtStatusToDosError(status) );
1051 return FALSE;
1052 }
1053
1054
1055 /**************************************************************************
1056 * LockFile (KERNEL32.@)
1057 */
1058 BOOL WINAPI LockFile( HANDLE hFile, DWORD offset_low, DWORD offset_high,
1059 DWORD count_low, DWORD count_high )
1060 {
1061 NTSTATUS status;
1062 LARGE_INTEGER count, offset;
1063
1064 TRACE( "%p %x%08x %x%08x\n",
1065 hFile, offset_high, offset_low, count_high, count_low );
1066
1067 count.u.LowPart = count_low;
1068 count.u.HighPart = count_high;
1069 offset.u.LowPart = offset_low;
1070 offset.u.HighPart = offset_high;
1071
1072 status = NtLockFile( hFile, 0, NULL, NULL,
1073 NULL, &offset, &count, NULL, TRUE, TRUE );
1074
1075 if (status != STATUS_SUCCESS) SetLastError( RtlNtStatusToDosError(status) );
1076 return !status;
1077 }
1078
1079
1080 /**************************************************************************
1081 * LockFileEx [KERNEL32.@]
1082 *
1083 * Locks a byte range within an open file for shared or exclusive access.
1084 *
1085 * RETURNS
1086 * success: TRUE
1087 * failure: FALSE
1088 *
1089 * NOTES
1090 * Per Microsoft docs, the third parameter (reserved) must be set to 0.
1091 */
1092 BOOL WINAPI LockFileEx( HANDLE hFile, DWORD flags, DWORD reserved,
1093 DWORD count_low, DWORD count_high, LPOVERLAPPED overlapped )
1094 {
1095 NTSTATUS status;
1096 LARGE_INTEGER count, offset;
1097
1098 if (reserved)
1099 {
1100 SetLastError( ERROR_INVALID_PARAMETER );
1101 return FALSE;
1102 }
1103
1104 TRACE( "%p %x%08x %x%08x flags %x\n",
1105 hFile, overlapped->u.s.OffsetHigh, overlapped->u.s.Offset,
1106 count_high, count_low, flags );
1107
1108 count.u.LowPart = count_low;
1109 count.u.HighPart = count_high;
1110 offset.u.LowPart = overlapped->u.s.Offset;
1111 offset.u.HighPart = overlapped->u.s.OffsetHigh;
1112
1113 status = NtLockFile( hFile, overlapped->hEvent, NULL, NULL,
1114 NULL, &offset, &count, NULL,
1115 flags & LOCKFILE_FAIL_IMMEDIATELY,
1116 flags & LOCKFILE_EXCLUSIVE_LOCK );
1117
1118 if (status) SetLastError( RtlNtStatusToDosError(status) );
1119 return !status;
1120 }
1121
1122
1123 /**************************************************************************
1124 * UnlockFile (KERNEL32.@)
1125 */
1126 BOOL WINAPI UnlockFile( HANDLE hFile, DWORD offset_low, DWORD offset_high,
1127 DWORD count_low, DWORD count_high )
1128 {
1129 NTSTATUS status;
1130 LARGE_INTEGER count, offset;
1131
1132 count.u.LowPart = count_low;
1133 count.u.HighPart = count_high;
1134 offset.u.LowPart = offset_low;
1135 offset.u.HighPart = offset_high;
1136
1137 status = NtUnlockFile( hFile, NULL, &offset, &count, NULL);
1138 if (status) SetLastError( RtlNtStatusToDosError(status) );
1139 return !status;
1140 }
1141
1142
1143 /**************************************************************************
1144 * UnlockFileEx (KERNEL32.@)
1145 */
1146 BOOL WINAPI UnlockFileEx( HANDLE hFile, DWORD reserved, DWORD count_low, DWORD count_high,
1147 LPOVERLAPPED overlapped )
1148 {
1149 if (reserved)
1150 {
1151 SetLastError( ERROR_INVALID_PARAMETER );
1152 return FALSE;
1153 }
1154 if (overlapped->hEvent) FIXME("Unimplemented overlapped operation\n");
1155
1156 return UnlockFile( hFile, overlapped->u.s.Offset, overlapped->u.s.OffsetHigh, count_low, count_high );
1157 }
1158
1159
1160 /***********************************************************************
1161 * Win32HandleToDosFileHandle (KERNEL32.21)
1162 *
1163 * Allocate a DOS handle for a Win32 handle. The Win32 handle is no
1164 * longer valid after this function (even on failure).
1165 *
1166 * Note: this is not exactly right, since on Win95 the Win32 handles
1167 * are on top of DOS handles and we do it the other way
1168 * around. Should be good enough though.
1169 */
1170 HFILE WINAPI Win32HandleToDosFileHandle( HANDLE handle )
1171 {
1172 int i;
1173
1174 if (!handle || (handle == INVALID_HANDLE_VALUE))
1175 return HFILE_ERROR;
1176
1177 FILE_InitProcessDosHandles();
1178 for (i = 0; i < DOS_TABLE_SIZE; i++)
1179 if (!dos_handles[i])
1180 {
1181 dos_handles[i] = handle;
1182 TRACE("Got %d for h32 %p\n", i, handle );
1183 return (HFILE)i;
1184 }
1185 CloseHandle( handle );
1186 SetLastError( ERROR_TOO_MANY_OPEN_FILES );
1187 return HFILE_ERROR;
1188 }
1189
1190
1191 /***********************************************************************
1192 * DosFileHandleToWin32Handle (KERNEL32.20)
1193 *
1194 * Return the Win32 handle for a DOS handle.
1195 *
1196 * Note: this is not exactly right, since on Win95 the Win32 handles
1197 * are on top of DOS handles and we do it the other way
1198 * around. Should be good enough though.
1199 */
1200 HANDLE WINAPI DosFileHandleToWin32Handle( HFILE handle )
1201 {
1202 HFILE16 hfile = (HFILE16)handle;
1203 if (hfile < 5) FILE_InitProcessDosHandles();
1204 if ((hfile >= DOS_TABLE_SIZE) || !dos_handles[hfile])
1205 {
1206 SetLastError( ERROR_INVALID_HANDLE );
1207 return INVALID_HANDLE_VALUE;
1208 }
1209 return dos_handles[hfile];
1210 }
1211
1212
1213 /*************************************************************************
1214 * SetHandleCount (KERNEL32.@)
1215 */
1216 UINT WINAPI SetHandleCount( UINT count )
1217 {
1218 return min( 256, count );
1219 }
1220
1221
1222 /***********************************************************************
1223 * DisposeLZ32Handle (KERNEL32.22)
1224 *
1225 * Note: this is not entirely correct, we should only close the
1226 * 32-bit handle and not the 16-bit one, but we cannot do
1227 * this because of the way our DOS handles are implemented.
1228 * It shouldn't break anything though.
1229 */
1230 void WINAPI DisposeLZ32Handle( HANDLE handle )
1231 {
1232 int i;
1233
1234 if (!handle || (handle == INVALID_HANDLE_VALUE)) return;
1235
1236 for (i = 5; i < DOS_TABLE_SIZE; i++)
1237 if (dos_handles[i] == handle)
1238 {
1239 dos_handles[i] = 0;
1240 CloseHandle( handle );
1241 break;
1242 }
1243 }
1244
1245 /**************************************************************************
1246 * Operations on file names *
1247 **************************************************************************/
1248
1249
1250 /*************************************************************************
1251 * CreateFileW [KERNEL32.@] Creates or opens a file or other object
1252 *
1253 * Creates or opens an object, and returns a handle that can be used to
1254 * access that object.
1255 *
1256 * PARAMS
1257 *
1258 * filename [in] pointer to filename to be accessed
1259 * access [in] access mode requested
1260 * sharing [in] share mode
1261 * sa [in] pointer to security attributes
1262 * creation [in] how to create the file
1263 * attributes [in] attributes for newly created file
1264 * template [in] handle to file with extended attributes to copy
1265 *
1266 * RETURNS
1267 * Success: Open handle to specified file
1268 * Failure: INVALID_HANDLE_VALUE
1269 */
1270 HANDLE WINAPI CreateFileW( LPCWSTR filename, DWORD access, DWORD sharing,
1271 LPSECURITY_ATTRIBUTES sa, DWORD creation,
1272 DWORD attributes, HANDLE template )
1273 {
1274 NTSTATUS status;
1275 UINT options;
1276 OBJECT_ATTRIBUTES attr;
1277 UNICODE_STRING nameW;
1278 IO_STATUS_BLOCK io;
1279 HANDLE ret;
1280 DWORD dosdev;
1281 static const WCHAR bkslashes_with_dotW[] = {'\\','\\','.','\\',0};
1282 static const WCHAR coninW[] = {'C','O','N','I','N','$',0};
1283 static const WCHAR conoutW[] = {'C','O','N','O','U','T','$',0};
1284 SECURITY_QUALITY_OF_SERVICE qos;
1285
1286 static const UINT nt_disposition[5] =
1287 {
1288 FILE_CREATE, /* CREATE_NEW */
1289 FILE_OVERWRITE_IF, /* CREATE_ALWAYS */
1290 FILE_OPEN, /* OPEN_EXISTING */
1291 FILE_OPEN_IF, /* OPEN_ALWAYS */
1292 FILE_OVERWRITE /* TRUNCATE_EXISTING */
1293 };
1294
1295
1296 /* sanity checks */
1297
1298 if (!filename || !filename[0])
1299 {
1300 SetLastError( ERROR_PATH_NOT_FOUND );
1301 return INVALID_HANDLE_VALUE;
1302 }
1303
1304 TRACE("%s %s%s%s%s%s%s creation %d attributes 0x%x\n", debugstr_w(filename),
1305 (access & GENERIC_READ)?"GENERIC_READ ":"",
1306 (access & GENERIC_WRITE)?"GENERIC_WRITE ":"",
1307 (!access)?"QUERY_ACCESS ":"",
1308 (sharing & FILE_SHARE_READ)?"FILE_SHARE_READ ":"",
1309 (sharing & FILE_SHARE_WRITE)?"FILE_SHARE_WRITE ":"",
1310 (sharing & FILE_SHARE_DELETE)?"FILE_SHARE_DELETE ":"",
1311 creation, attributes);
1312
1313 /* Open a console for CONIN$ or CONOUT$ */
1314
1315 if (!strcmpiW(filename, coninW) || !strcmpiW(filename, conoutW))
1316 {
1317 ret = OpenConsoleW(filename, access, (sa && sa->bInheritHandle), creation);
1318 goto done;
1319 }
1320
1321 if (!strncmpW(filename, bkslashes_with_dotW, 4))
1322 {
1323 static const WCHAR pipeW[] = {'P','I','P','E','\\',0};
1324 static const WCHAR mailslotW[] = {'M','A','I','L','S','L','O','T','\\',0};
1325
1326 if ((isalphaW(filename[4]) && filename[5] == ':' && filename[6] == '\0') ||
1327 !strncmpiW( filename + 4, pipeW, 5 ) ||
1328 !strncmpiW( filename + 4, mailslotW, 9 ))
1329 {
1330 dosdev = 0;
1331 }
1332 else if ((dosdev = RtlIsDosDeviceName_U( filename + 4 )))
1333 {
1334 dosdev += MAKELONG( 0, 4*sizeof(WCHAR) ); /* adjust position to start of filename */
1335 }
1336 else if (!(GetVersion() & 0x80000000))
1337 {
1338 dosdev = 0;
1339 }
1340 else if (filename[4])
1341 {
1342 ret = VXD_Open( filename+4, access, sa );
1343 goto done;
1344 }
1345 else
1346 {
1347 SetLastError( ERROR_INVALID_NAME );
1348 return INVALID_HANDLE_VALUE;
1349 }
1350 }
1351 else dosdev = RtlIsDosDeviceName_U( filename );
1352
1353 if (dosdev)
1354 {
1355 static const WCHAR conW[] = {'C','O','N'};
1356
1357 if (LOWORD(dosdev) == sizeof(conW) &&
1358 !memicmpW( filename + HIWORD(dosdev)/sizeof(WCHAR), conW, sizeof(conW)/sizeof(WCHAR)))
1359 {
1360 switch (access & (GENERIC_READ|GENERIC_WRITE))
1361 {
1362 case GENERIC_READ:
1363 ret = OpenConsoleW(coninW, access, (sa && sa->bInheritHandle), creation);
1364 goto done;
1365 case GENERIC_WRITE:
1366 ret = OpenConsoleW(conoutW, access, (sa && sa->bInheritHandle), creation);
1367 goto done;
1368 default:
1369 SetLastError( ERROR_FILE_NOT_FOUND );
1370 return INVALID_HANDLE_VALUE;
1371 }
1372 }
1373 }
1374
1375 if (creation < CREATE_NEW || creation > TRUNCATE_EXISTING)
1376 {
1377 SetLastError( ERROR_INVALID_PARAMETER );
1378 return INVALID_HANDLE_VALUE;
1379 }
1380
1381 if (!RtlDosPathNameToNtPathName_U( filename, &nameW, NULL, NULL ))
1382 {
1383 SetLastError( ERROR_PATH_NOT_FOUND );
1384 return INVALID_HANDLE_VALUE;
1385 }
1386
1387 /* now call NtCreateFile */
1388
1389 options = 0;
1390 if (attributes & FILE_FLAG_BACKUP_SEMANTICS)
1391 options |= FILE_OPEN_FOR_BACKUP_INTENT;
1392 else
1393 options |= FILE_NON_DIRECTORY_FILE;
1394 if (attributes & FILE_FLAG_DELETE_ON_CLOSE)
1395 {
1396 options |= FILE_DELETE_ON_CLOSE;
1397 access |= DELETE;
1398 }
1399 if (!(attributes & FILE_FLAG_OVERLAPPED))
1400 options |= FILE_SYNCHRONOUS_IO_ALERT;
1401 if (attributes & FILE_FLAG_RANDOM_ACCESS)
1402 options |= FILE_RANDOM_ACCESS;
1403 attributes &= FILE_ATTRIBUTE_VALID_FLAGS;
1404
1405 attr.Length = sizeof(attr);
1406 attr.RootDirectory = 0;
1407 attr.Attributes = OBJ_CASE_INSENSITIVE;
1408 attr.ObjectName = &nameW;
1409 attr.SecurityDescriptor = sa ? sa->lpSecurityDescriptor : NULL;
1410 if (attributes & SECURITY_SQOS_PRESENT)
1411 {
1412 qos.Length = sizeof(qos);
1413 qos.ImpersonationLevel = (attributes >> 16) & 0x3;
1414 qos.ContextTrackingMode = attributes & SECURITY_CONTEXT_TRACKING ? SECURITY_DYNAMIC_TRACKING : SECURITY_STATIC_TRACKING;
1415 qos.EffectiveOnly = attributes & SECURITY_EFFECTIVE_ONLY ? TRUE : FALSE;
1416 attr.SecurityQualityOfService = &qos;
1417 }
1418 else
1419 attr.SecurityQualityOfService = NULL;
1420
1421 if (sa && sa->bInheritHandle) attr.Attributes |= OBJ_INHERIT;
1422
1423 status = NtCreateFile( &ret, access, &attr, &io, NULL, attributes,
1424 sharing, nt_disposition[creation - CREATE_NEW],
1425 options, NULL, 0 );
1426 if (status)
1427 {
1428 WARN("Unable to create file %s (status %x)\n", debugstr_w(filename), status);
1429 ret = INVALID_HANDLE_VALUE;
1430
1431 /* In the case file creation was rejected due to CREATE_NEW flag
1432 * was specified and file with that name already exists, correct
1433 * last error is ERROR_FILE_EXISTS and not ERROR_ALREADY_EXISTS.
1434 * Note: RtlNtStatusToDosError is not the subject to blame here.
1435 */
1436 if (status == STATUS_OBJECT_NAME_COLLISION)
1437 SetLastError( ERROR_FILE_EXISTS );
1438 else
1439 SetLastError( RtlNtStatusToDosError(status) );
1440 }
1441 else SetLastError(0);
1442 RtlFreeUnicodeString( &nameW );
1443
1444 done:
1445 if (!ret) ret = INVALID_HANDLE_VALUE;
1446 TRACE("returning %p\n", ret);
1447 return ret;
1448 }
1449
1450
1451
1452 /*************************************************************************
1453 * CreateFileA (KERNEL32.@)
1454 *
1455 * See CreateFileW.
1456 */
1457 HANDLE WINAPI CreateFileA( LPCSTR filename, DWORD access, DWORD sharing,
1458 LPSECURITY_ATTRIBUTES sa, DWORD creation,
1459 DWORD attributes, HANDLE template)
1460 {
1461 WCHAR *nameW;
1462
1463 if (!(nameW = FILE_name_AtoW( filename, FALSE ))) return INVALID_HANDLE_VALUE;
1464 return CreateFileW( nameW, access, sharing, sa, creation, attributes, template );
1465 }
1466
1467
1468 /***********************************************************************
1469 * DeleteFileW (KERNEL32.@)
1470 *
1471 * Delete a file.
1472 *
1473 * PARAMS
1474 * path [I] Path to the file to delete.
1475 *
1476 * RETURNS
1477 * Success: TRUE.
1478 * Failure: FALSE, check GetLastError().
1479 */
1480 BOOL WINAPI DeleteFileW( LPCWSTR path )
1481 {
1482 UNICODE_STRING nameW;
1483 OBJECT_ATTRIBUTES attr;
1484 NTSTATUS status;
1485
1486 TRACE("%s\n", debugstr_w(path) );
1487
1488 if (!RtlDosPathNameToNtPathName_U( path, &nameW, NULL, NULL ))
1489 {
1490 SetLastError( ERROR_PATH_NOT_FOUND );
1491 return FALSE;
1492 }
1493
1494 attr.Length = sizeof(attr);
1495 attr.RootDirectory = 0;
1496 attr.Attributes = OBJ_CASE_INSENSITIVE;
1497 attr.ObjectName = &nameW;
1498 attr.SecurityDescriptor = NULL;
1499 attr.SecurityQualityOfService = NULL;
1500
1501 status = NtDeleteFile(&attr);
1502 RtlFreeUnicodeString( &nameW );
1503 if (status)
1504 {
1505 SetLastError( RtlNtStatusToDosError(status) );
1506 return FALSE;
1507 }
1508 return TRUE;
1509 }
1510
1511
1512 /***********************************************************************
1513 * DeleteFileA (KERNEL32.@)
1514 *
1515 * See DeleteFileW.
1516 */
1517 BOOL WINAPI DeleteFileA( LPCSTR path )
1518 {
1519 WCHAR *pathW;
1520
1521 if (!(pathW = FILE_name_AtoW( path, FALSE ))) return FALSE;
1522 return DeleteFileW( pathW );
1523 }
1524
1525
1526 /**************************************************************************
1527 * ReplaceFileW (KERNEL32.@)
1528 * ReplaceFile (KERNEL32.@)
1529 */
1530 BOOL WINAPI ReplaceFileW(LPCWSTR lpReplacedFileName,LPCWSTR lpReplacementFileName,
1531 LPCWSTR lpBackupFileName, DWORD dwReplaceFlags,
1532 LPVOID lpExclude, LPVOID lpReserved)
1533 {
1534 FIXME("(%s,%s,%s,%08x,%p,%p) stub\n",debugstr_w(lpReplacedFileName),debugstr_w(lpReplacementFileName),
1535 debugstr_w(lpBackupFileName),dwReplaceFlags,lpExclude,lpReserved);
1536 SetLastError(ERROR_UNABLE_TO_MOVE_REPLACEMENT);
1537 return FALSE;
1538 }
1539
1540
1541 /**************************************************************************
1542 * ReplaceFileA (KERNEL32.@)
1543 */
1544 BOOL WINAPI ReplaceFileA(LPCSTR lpReplacedFileName,LPCSTR lpReplacementFileName,
1545 LPCSTR lpBackupFileName, DWORD dwReplaceFlags,
1546 LPVOID lpExclude, LPVOID lpReserved)
1547 {
1548 FIXME("(%s,%s,%s,%08x,%p,%p) stub\n",lpReplacedFileName,lpReplacementFileName,
1549 lpBackupFileName,dwReplaceFlags,lpExclude,lpReserved);
1550 SetLastError(ERROR_UNABLE_TO_MOVE_REPLACEMENT);
1551 return FALSE;
1552 }
1553
1554
1555 /*************************************************************************
1556 * FindFirstFileExW (KERNEL32.@)
1557 */
1558 HANDLE WINAPI FindFirstFileExW( LPCWSTR filename, FINDEX_INFO_LEVELS level,
1559 LPVOID data, FINDEX_SEARCH_OPS search_op,
1560 LPVOID filter, DWORD flags)
1561 {
1562 WCHAR *mask, *p;
1563 FIND_FIRST_INFO *info = NULL;
1564 UNICODE_STRING nt_name;
1565 OBJECT_ATTRIBUTES attr;
1566 IO_STATUS_BLOCK io;
1567 NTSTATUS status;
1568 DWORD device = 0;
1569
1570 TRACE("%s %d %p %d %p %x\n", debugstr_w(filename), level, data, search_op, filter, flags);
1571
1572 if ((search_op != FindExSearchNameMatch && search_op != FindExSearchLimitToDirectories)
1573 || flags != 0)
1574 {
1575 FIXME("options not implemented 0x%08x 0x%08x\n", search_op, flags );
1576 return INVALID_HANDLE_VALUE;
1577 }
1578 if (level != FindExInfoStandard)
1579 {
1580 FIXME("info level %d not implemented\n", level );
1581 return INVALID_HANDLE_VALUE;
1582 }
1583
1584 if (!RtlDosPathNameToNtPathName_U( filename, &nt_name, &mask, NULL ))
1585 {
1586 SetLastError( ERROR_PATH_NOT_FOUND );
1587 return INVALID_HANDLE_VALUE;
1588 }
1589
1590 if (!(info = HeapAlloc( GetProcessHeap(), 0, sizeof(*info))))
1591 {
1592 SetLastError( ERROR_NOT_ENOUGH_MEMORY );
1593 goto error;
1594 }
1595
1596 if (!mask && (device = RtlIsDosDeviceName_U( filename )))
1597 {
1598 static const WCHAR dotW[] = {'.',0};
1599 WCHAR *dir = NULL;
1600
1601 /* we still need to check that the directory can be opened */
1602
1603 if (HIWORD(device))
1604 {
1605 if (!(dir = HeapAlloc( GetProcessHeap(), 0, HIWORD(device) + sizeof(WCHAR) )))
1606 {
1607 SetLastError( ERROR_NOT_ENOUGH_MEMORY );
1608 goto error;
1609 }
1610 memcpy( dir, filename, HIWORD(device) );
1611 dir[HIWORD(device)/sizeof(WCHAR)] = 0;
1612 }
1613 RtlFreeUnicodeString( &nt_name );
1614 if (!RtlDosPathNameToNtPathName_U( dir ? dir : dotW, &nt_name, &mask, NULL ))
1615 {
1616 HeapFree( GetProcessHeap(), 0, dir );
1617 SetLastError( ERROR_PATH_NOT_FOUND );
1618 goto error;
1619 }
1620 HeapFree( GetProcessHeap(), 0, dir );
1621 RtlInitUnicodeString( &info->mask, NULL );
1622 }
1623 else if (!mask || !*mask)
1624 {
1625 SetLastError( ERROR_FILE_NOT_FOUND );
1626 goto error;
1627 }
1628 else
1629 {
1630 if (!RtlCreateUnicodeString( &info->mask, mask ))
1631 {
1632 SetLastError( ERROR_NOT_ENOUGH_MEMORY );
1633 goto error;
1634 }
1635
1636 /* truncate dir name before mask */
1637 *mask = 0;
1638 nt_name.Length = (mask - nt_name.Buffer) * sizeof(WCHAR);
1639 }
1640
1641 /* check if path is the root of the drive */
1642 info->is_root = FALSE;
1643 p = nt_name.Buffer + 4; /* skip \??\ prefix */
1644 if (p[0] && p[1] == ':')
1645 {
1646 p += 2;
1647 while (*p == '\\') p++;
1648 info->is_root = (*p == 0);
1649 }
1650
1651 attr.Length = sizeof(attr);
1652 attr.RootDirectory = 0;
1653 attr.Attributes = OBJ_CASE_INSENSITIVE;
1654 attr.ObjectName = &nt_name;
1655 attr.SecurityDescriptor = NULL;
1656 attr.SecurityQualityOfService = NULL;
1657
1658 status = NtOpenFile( &info->handle, GENERIC_READ, &attr, &io,
1659 FILE_SHARE_READ | FILE_SHARE_WRITE,
1660 FILE_DIRECTORY_FILE | FILE_SYNCHRONOUS_IO_NONALERT );
1661
1662 if (status != STATUS_SUCCESS)
1663 {
1664 RtlFreeUnicodeString( &info->mask );
1665 if (status == STATUS_OBJECT_NAME_NOT_FOUND)
1666 SetLastError( ERROR_PATH_NOT_FOUND );
1667 else
1668 SetLastError( RtlNtStatusToDosError(status) );
1669 goto error;
1670 }
1671
1672 RtlInitializeCriticalSection( &info->cs );
1673 info->cs.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": FIND_FIRST_INFO.cs");
1674 info->path = nt_name;
1675 info->magic = FIND_FIRST_MAGIC;
1676 info->data_pos = 0;
1677 info->data_len = 0;
1678 info->search_op = search_op;
1679
1680 if (device)
1681 {
1682 WIN32_FIND_DATAW *wfd = data;
1683
1684 memset( wfd, 0, sizeof(*wfd) );
1685 memcpy( wfd->cFileName, filename + HIWORD(device)/sizeof(WCHAR), LOWORD(device) );
1686 wfd->dwFileAttributes = FILE_ATTRIBUTE_ARCHIVE;
1687 CloseHandle( info->handle );
1688 info->handle = 0;
1689 }
1690 else
1691 {
1692 IO_STATUS_BLOCK io;
1693
1694 NtQueryDirectoryFile( info->handle, 0, NULL, NULL, &io, info->data, sizeof(info->data),
1695 FileBothDirectoryInformation, FALSE, &info->mask, TRUE );
1696 if (io.u.Status)
1697 {
1698 FindClose( info );
1699 SetLastError( RtlNtStatusToDosError( io.u.Status ) );
1700 return INVALID_HANDLE_VALUE;
1701 }
1702 info->data_len = io.Information;
1703 if (!FindNextFileW( info, data ))
1704 {
1705 TRACE( "%s not found\n", debugstr_w(filename) );
1706 FindClose( info );
1707 SetLastError( ERROR_FILE_NOT_FOUND );
1708 return INVALID_HANDLE_VALUE;
1709 }
1710 if (!strpbrkW( info->mask.Buffer, wildcardsW ))
1711 {
1712 /* we can't find two files with the same name */
1713 CloseHandle( info->handle );
1714 info->handle = 0;
1715 }
1716 }
1717 return info;
1718
1719 error:
1720 HeapFree( GetProcessHeap(), 0, info );
1721 RtlFreeUnicodeString( &nt_name );
1722 return INVALID_HANDLE_VALUE;
1723 }
1724
1725
1726 /*************************************************************************
1727 * FindNextFileW (KERNEL32.@)
1728 */
1729 BOOL WINAPI FindNextFileW( HANDLE handle, WIN32_FIND_DATAW *data )
1730 {
1731 FIND_FIRST_INFO *info;
1732 FILE_BOTH_DIR_INFORMATION *dir_info;
1733 BOOL ret = FALSE;
1734
1735 TRACE("%p %p\n", handle, data);
1736
1737 if (!handle || handle == INVALID_HANDLE_VALUE)
1738 {
1739 SetLastError( ERROR_INVALID_HANDLE );
1740 return ret;
1741 }
1742 info = (FIND_FIRST_INFO *)handle;
1743 if (info->magic != FIND_FIRST_MAGIC)
1744 {
1745 SetLastError( ERROR_INVALID_HANDLE );
1746 return ret;
1747 }
1748
1749 RtlEnterCriticalSection( &info->cs );
1750
1751 if (!info->handle) SetLastError( ERROR_NO_MORE_FILES );
1752 else for (;;)
1753 {
1754 if (info->data_pos >= info->data_len) /* need to read some more data */
1755 {
1756 IO_STATUS_BLOCK io;
1757
1758 NtQueryDirectoryFile( info->handle, 0, NULL, NULL, &io, info->data, sizeof(info->data),
1759 FileBothDirectoryInformation, FALSE, &info->mask, FALSE );
1760 if (io.u.Status)
1761 {
1762 SetLastError( RtlNtStatusToDosError( io.u.Status ) );
1763 if (io.u.Status == STATUS_NO_MORE_FILES)
1764 {
1765 CloseHandle( info->handle );
1766 info->handle = 0;
1767 }
1768 break;
1769 }
1770 info->data_len = io.Information;
1771 info->data_pos = 0;
1772 }
1773
1774 dir_info = (FILE_BOTH_DIR_INFORMATION *)(info->data + info->data_pos);
1775
1776 if (dir_info->NextEntryOffset) info->data_pos += dir_info->NextEntryOffset;
1777 else info->data_pos = info->data_len;
1778
1779 /* don't return '.' and '..' in the root of the drive */
1780 if (info->is_root)
1781 {
1782 if (dir_info->FileNameLength == sizeof(WCHAR) && dir_info->FileName[0] == '.') continue;
1783 if (dir_info->FileNameLength == 2 * sizeof(WCHAR) &&
1784 dir_info->FileName[0] == '.' && dir_info->FileName[1] == '.') continue;
1785 }
1786
1787 /* check for dir symlink */
1788 if ((dir_info->FileAttributes & FILE_ATTRIBUTE_DIRECTORY) &&
1789 (dir_info->FileAttributes & FILE_ATTRIBUTE_REPARSE_POINT) &&
1790 strpbrkW( info->mask.Buffer, wildcardsW ))
1791 {
1792 if (!check_dir_symlink( info, dir_info )) continue;
1793 }
1794 if (info->search_op == FindExSearchLimitToDirectories &&
1795 (dir_info->FileAttributes & FILE_ATTRIBUTE_DIRECTORY) == 0)
1796 continue;
1797
1798 data->dwFileAttributes = dir_info->FileAttributes;
1799 data->ftCreationTime = *(FILETIME *)&dir_info->CreationTime;
1800 data->ftLastAccessTime = *(FILETIME *)&dir_info->LastAccessTime;
1801 data->ftLastWriteTime = *(FILETIME *)&dir_info->LastWriteTime;
1802 data->nFileSizeHigh = dir_info->EndOfFile.QuadPart >> 32;
1803 data->nFileSizeLow = (DWORD)dir_info->EndOfFile.QuadPart;
1804 data->dwReserved0 = 0;
1805 data->dwReserved1 = 0;
1806
1807 memcpy( data->cFileName, dir_info->FileName, dir_info->FileNameLength );
1808 data->cFileName[dir_info->FileNameLength/sizeof(WCHAR)] = 0;
1809 memcpy( data->cAlternateFileName, dir_info->ShortName, dir_info->ShortNameLength );
1810 data->cAlternateFileName[dir_info->ShortNameLength/sizeof(WCHAR)] = 0;
1811
1812 TRACE("returning %s (%s)\n",
1813 debugstr_w(data->cFileName), debugstr_w(data->cAlternateFileName) );
1814
1815 ret = TRUE;
1816 break;
1817 }
1818
1819 RtlLeaveCriticalSection( &info->cs );
1820 return ret;
1821 }
1822
1823
1824 /*************************************************************************
1825 * FindClose (KERNEL32.@)
1826 */
1827 BOOL WINAPI FindClose( HANDLE handle )
1828 {
1829 FIND_FIRST_INFO *info = (FIND_FIRST_INFO *)handle;
1830
1831 if (!handle || handle == INVALID_HANDLE_VALUE)
1832 {
1833 SetLastError( ERROR_INVALID_HANDLE );
1834 return FALSE;
1835 }
1836
1837 __TRY
1838 {
1839 if (info->magic == FIND_FIRST_MAGIC)
1840 {
1841 RtlEnterCriticalSection( &info->cs );
1842 if (info->magic == FIND_FIRST_MAGIC) /* in case someone else freed it in the meantime */
1843 {
1844 info->magic = 0;
1845 if (info->handle) CloseHandle( info->handle );
1846 info->handle = 0;
1847 RtlFreeUnicodeString( &info->mask );
1848 info->mask.Buffer = NULL;
1849 RtlFreeUnicodeString( &info->path );
1850 info->data_pos = 0;
1851 info->data_len = 0;
1852 RtlLeaveCriticalSection( &info->cs );
1853 info->cs.DebugInfo->Spare[0] = 0;
1854 RtlDeleteCriticalSection( &info->cs );
1855 HeapFree( GetProcessHeap(), 0, info );
1856 }
1857 }
1858 }
1859 __EXCEPT_PAGE_FAULT
1860 {
1861 WARN("Illegal handle %p\n", handle);
1862 SetLastError( ERROR_INVALID_HANDLE );
1863 return FALSE;
1864 }
1865 __ENDTRY
1866
1867 return TRUE;
1868 }
1869
1870
1871 /*************************************************************************
1872 * FindFirstFileA (KERNEL32.@)
1873 */
1874 HANDLE WINAPI FindFirstFileA( LPCSTR lpFileName, WIN32_FIND_DATAA *lpFindData )
1875 {
1876 return FindFirstFileExA(lpFileName, FindExInfoStandard, lpFindData,
1877 FindExSearchNameMatch, NULL, 0);
1878 }
1879
1880 /*************************************************************************
1881 * FindFirstFileExA (KERNEL32.@)
1882 */
1883 HANDLE WINAPI FindFirstFileExA( LPCSTR lpFileName, FINDEX_INFO_LEVELS fInfoLevelId,
1884 LPVOID lpFindFileData, FINDEX_SEARCH_OPS fSearchOp,
1885 LPVOID lpSearchFilter, DWORD dwAdditionalFlags)
1886 {
1887 HANDLE handle;
1888 WIN32_FIND_DATAA *dataA;
1889 WIN32_FIND_DATAW dataW;
1890 WCHAR *nameW;
1891
1892 if (!(nameW = FILE_name_AtoW( lpFileName, FALSE ))) return INVALID_HANDLE_VALUE;
1893
1894 handle = FindFirstFileExW(nameW, fInfoLevelId, &dataW, fSearchOp, lpSearchFilter, dwAdditionalFlags);
1895 if (handle == INVALID_HANDLE_VALUE) return handle;
1896
1897 dataA = (WIN32_FIND_DATAA *) lpFindFileData;
1898 dataA->dwFileAttributes = dataW.dwFileAttributes;
1899 dataA->ftCreationTime = dataW.ftCreationTime;
1900 dataA->ftLastAccessTime = dataW.ftLastAccessTime;
1901 dataA->ftLastWriteTime = dataW.ftLastWriteTime;
1902 dataA->nFileSizeHigh = dataW.nFileSizeHigh;
1903 dataA->nFileSizeLow = dataW.nFileSizeLow;
1904 FILE_name_WtoA( dataW.cFileName, -1, dataA->cFileName, sizeof(dataA->cFileName) );
1905 FILE_name_WtoA( dataW.cAlternateFileName, -1, dataA->cAlternateFileName,
1906 sizeof(dataA->cAlternateFileName) );
1907 return handle;
1908 }
1909
1910
1911 /*************************************************************************
1912 * FindFirstFileW (KERNEL32.@)
1913 */
1914 HANDLE WINAPI FindFirstFileW( LPCWSTR lpFileName, WIN32_FIND_DATAW *lpFindData )
1915 {
1916 return FindFirstFileExW(lpFileName, FindExInfoStandard, lpFindData,
1917 FindExSearchNameMatch, NULL, 0);
1918 }
1919
1920
1921 /*************************************************************************
1922 * FindNextFileA (KERNEL32.@)
1923 */
1924 BOOL WINAPI FindNextFileA( HANDLE handle, WIN32_FIND_DATAA *data )
1925 {
1926 WIN32_FIND_DATAW dataW;
1927
1928 if (!FindNextFileW( handle, &dataW )) return FALSE;
1929 data->dwFileAttributes = dataW.dwFileAttributes;
1930 data->ftCreationTime = dataW.ftCreationTime;
1931 data->ftLastAccessTime = dataW.ftLastAccessTime;
1932 data->ftLastWriteTime = dataW.ftLastWriteTime;
1933 data->nFileSizeHigh = dataW.nFileSizeHigh;
1934 data->nFileSizeLow = dataW.nFileSizeLow;
1935 FILE_name_WtoA( dataW.cFileName, -1, data->cFileName, sizeof(data->cFileName) );
1936 FILE_name_WtoA( dataW.cAlternateFileName, -1, data->cAlternateFileName,
1937 sizeof(data->cAlternateFileName) );
1938 return TRUE;
1939 }
1940
1941
1942 /**************************************************************************
1943 * GetFileAttributesW (KERNEL32.@)
1944 */
1945 DWORD WINAPI GetFileAttributesW( LPCWSTR name )
1946 {
1947 FILE_BASIC_INFORMATION info;
1948 UNICODE_STRING nt_name;
1949 OBJECT_ATTRIBUTES attr;
1950 NTSTATUS status;
1951
1952 TRACE("%s\n", debugstr_w(name));
1953
1954 if (!RtlDosPathNameToNtPathName_U( name, &nt_name, NULL, NULL ))
1955 {
1956 SetLastError( ERROR_PATH_NOT_FOUND );
1957 return INVALID_FILE_ATTRIBUTES;
1958 }
1959
1960 attr.Length = sizeof(attr);
1961 attr.RootDirectory = 0;
1962 attr.Attributes = OBJ_CASE_INSENSITIVE;
1963 attr.ObjectName = &nt_name;
1964 attr.SecurityDescriptor = NULL;
1965 attr.SecurityQualityOfService = NULL;
1966
1967 status = NtQueryAttributesFile( &attr, &info );
1968 RtlFreeUnicodeString( &nt_name );
1969
1970 if (status == STATUS_SUCCESS) return info.FileAttributes;
1971
1972 /* NtQueryAttributesFile fails on devices, but GetFileAttributesW succeeds */
1973 if (RtlIsDosDeviceName_U( name )) return FILE_ATTRIBUTE_ARCHIVE;
1974
1975 SetLastError( RtlNtStatusToDosError(status) );
1976 return INVALID_FILE_ATTRIBUTES;
1977 }
1978
1979
1980 /**************************************************************************
1981 * GetFileAttributesA (KERNEL32.@)
1982 */
1983 DWORD WINAPI GetFileAttributesA( LPCSTR name )
1984 {
1985 WCHAR *nameW;
1986
1987 if (!(nameW = FILE_name_AtoW( name, FALSE ))) return INVALID_FILE_ATTRIBUTES;
1988 return GetFileAttributesW( nameW );
1989 }
1990
1991
1992 /**************************************************************************
1993 * SetFileAttributesW (KERNEL32.@)
1994 */
1995 BOOL WINAPI SetFileAttributesW( LPCWSTR name, DWORD attributes )
1996 {
1997 UNICODE_STRING nt_name;
1998 OBJECT_ATTRIBUTES attr;
1999 IO_STATUS_BLOCK io;
2000 NTSTATUS status;
2001 HANDLE handle;
2002
2003 TRACE("%s %x\n", debugstr_w(name), attributes);
2004
2005 if (!RtlDosPathNameToNtPathName_U( name, &nt_name, NULL, NULL ))
2006 {
2007 SetLastError( ERROR_PATH_NOT_FOUND );
2008 return FALSE;
2009 }
2010
2011 attr.Length = sizeof(attr);
2012 attr.RootDirectory = 0;
2013 attr.Attributes = OBJ_CASE_INSENSITIVE;
2014 attr.ObjectName = &nt_name;
2015 attr.SecurityDescriptor = NULL;
2016 attr.SecurityQualityOfService = NULL;
2017
2018 status = NtOpenFile( &handle, 0, &attr, &io, 0, FILE_SYNCHRONOUS_IO_NONALERT );
2019 RtlFreeUnicodeString( &nt_name );
2020
2021 if (status == STATUS_SUCCESS)
2022 {
2023 FILE_BASIC_INFORMATION info;
2024
2025 memset( &info, 0, sizeof(info) );
2026 info.FileAttributes = attributes | FILE_ATTRIBUTE_NORMAL; /* make sure it's not zero */
2027 status = NtSetInformationFile( handle, &io, &info, sizeof(info), FileBasicInformation );
2028 NtClose( handle );
2029 }
2030
2031 if (status == STATUS_SUCCESS) return TRUE;
2032 SetLastError( RtlNtStatusToDosError(status) );
2033 return FALSE;
2034 }
2035
2036
2037 /**************************************************************************
2038 * SetFileAttributesA (KERNEL32.@)
2039 */
2040 BOOL WINAPI SetFileAttributesA( LPCSTR name, DWORD attributes )
2041 {
2042 WCHAR *nameW;
2043
2044 if (!(nameW = FILE_name_AtoW( name, FALSE ))) return FALSE;
2045 return SetFileAttributesW( nameW, attributes );
2046 }
2047
2048
2049 /**************************************************************************
2050 * GetFileAttributesExW (KERNEL32.@)
2051 */
2052 BOOL WINAPI GetFileAttributesExW( LPCWSTR name, GET_FILEEX_INFO_LEVELS level, LPVOID ptr )
2053 {
2054 FILE_NETWORK_OPEN_INFORMATION info;
2055 WIN32_FILE_ATTRIBUTE_DATA *data = ptr;
2056 UNICODE_STRING nt_name;
2057 OBJECT_ATTRIBUTES attr;
2058 NTSTATUS status;
2059
2060 TRACE("%s %d %p\n", debugstr_w(name), level, ptr);
2061
2062 if (level != GetFileExInfoStandard)
2063 {
2064 SetLastError( ERROR_INVALID_PARAMETER );
2065 return FALSE;
2066 }
2067
2068 if (!RtlDosPathNameToNtPathName_U( name, &nt_name, NULL, NULL ))
2069 {
2070 SetLastError( ERROR_PATH_NOT_FOUND );
2071 return FALSE;
2072 }
2073
2074 attr.Length = sizeof(attr);
2075 attr.RootDirectory = 0;
2076 attr.Attributes = OBJ_CASE_INSENSITIVE;
2077 attr.ObjectName = &nt_name;
2078 attr.SecurityDescriptor = NULL;
2079 attr.SecurityQualityOfService = NULL;
2080
2081 status = NtQueryFullAttributesFile( &attr, &info );
2082 RtlFreeUnicodeString( &nt_name );
2083
2084 if (status != STATUS_SUCCESS)
2085 {
2086 SetLastError( RtlNtStatusToDosError(status) );
2087 return FALSE;
2088 }
2089
2090 data->dwFileAttributes = info.FileAttributes;
2091 data->ftCreationTime.dwLowDateTime = info.CreationTime.u.LowPart;
2092 data->ftCreationTime.dwHighDateTime = info.CreationTime.u.HighPart;
2093 data->ftLastAccessTime.dwLowDateTime = info.LastAccessTime.u.LowPart;
2094 data->ftLastAccessTime.dwHighDateTime = info.LastAccessTime.u.HighPart;
2095 data->ftLastWriteTime.dwLowDateTime = info.LastWriteTime.u.LowPart;
2096 data->ftLastWriteTime.dwHighDateTime = info.LastWriteTime.u.HighPart;
2097 data->nFileSizeLow = info.EndOfFile.u.LowPart;
2098 data->nFileSizeHigh = info.EndOfFile.u.HighPart;
2099 return TRUE;
2100 }
2101
2102
2103 /**************************************************************************
2104 * GetFileAttributesExA (KERNEL32.@)
2105 */
2106 BOOL WINAPI GetFileAttributesExA( LPCSTR name, GET_FILEEX_INFO_LEVELS level, LPVOID ptr )
2107 {
2108 WCHAR *nameW;
2109
2110 if (!(nameW = FILE_name_AtoW( name, FALSE ))) return FALSE;
2111 return GetFileAttributesExW( nameW, level, ptr );
2112 }
2113
2114
2115 /******************************************************************************
2116 * GetCompressedFileSizeW (KERNEL32.@)
2117 *
2118 * Get the actual number of bytes used on disk.
2119 *
2120 * RETURNS
2121 * Success: Low-order doubleword of number of bytes
2122 * Failure: INVALID_FILE_SIZE
2123 */
2124 DWORD WINAPI GetCompressedFileSizeW(
2125 LPCWSTR name, /* [in] Pointer to name of file */
2126 LPDWORD size_high ) /* [out] Receives high-order doubleword of size */
2127 {
2128 UNICODE_STRING nt_name;
2129 OBJECT_ATTRIBUTES attr;
2130 IO_STATUS_BLOCK io;
2131 NTSTATUS status;
2132 HANDLE handle;
2133 DWORD ret = INVALID_FILE_SIZE;
2134
2135 TRACE("%s %p\n", debugstr_w(name), size_high);
2136
2137 if (!RtlDosPathNameToNtPathName_U( name, &nt_name, NULL, NULL ))
2138 {
2139 SetLastError( ERROR_PATH_NOT_FOUND );
2140 return INVALID_FILE_SIZE;
2141 }
2142
2143 attr.Length = sizeof(attr);
2144 attr.RootDirectory = 0;
2145 attr.Attributes = OBJ_CASE_INSENSITIVE;
2146 attr.ObjectName = &nt_name;
2147 attr.SecurityDescriptor = NULL;
2148 attr.SecurityQualityOfService = NULL;
2149
2150 status = NtOpenFile( &handle, 0, &attr, &io, 0, FILE_SYNCHRONOUS_IO_NONALERT );
2151 RtlFreeUnicodeString( &nt_name );
2152
2153 if (status == STATUS_SUCCESS)
2154 {
2155 /* we don't support compressed files, simply return the file size */
2156 ret = GetFileSize( handle, size_high );
2157 NtClose( handle );
2158 }
2159 else SetLastError( RtlNtStatusToDosError(status) );
2160
2161 return ret;
2162 }
2163
2164
2165 /******************************************************************************
2166 * GetCompressedFileSizeA (KERNEL32.@)
2167 *
2168 * See GetCompressedFileSizeW.
2169 */
2170 DWORD WINAPI GetCompressedFileSizeA( LPCSTR name, LPDWORD size_high )
2171 {
2172 WCHAR *nameW;
2173
2174 if (!(nameW = FILE_name_AtoW( name, FALSE ))) return INVALID_FILE_SIZE;
2175 return GetCompressedFileSizeW( nameW, size_high );
2176 }
2177
2178
2179 /***********************************************************************
2180 * OpenFile (KERNEL32.@)
2181 */
2182 HFILE WINAPI OpenFile( LPCSTR name, OFSTRUCT *ofs, UINT mode )
2183 {
2184 HANDLE handle;
2185 FILETIME filetime;
2186 WORD filedatetime[2];
2187
2188 if (!ofs) return HFILE_ERROR;
2189
2190 TRACE("%s %s %s %s%s%s%s%s%s%s%s%s\n",name,
2191 ((mode & 0x3 )==OF_READ)?"OF_READ":
2192 ((mode & 0x3 )==OF_WRITE)?"OF_WRITE":
2193 ((mode & 0x3 )==OF_READWRITE)?"OF_READWRITE":"unknown",
2194 ((mode & 0x70 )==OF_SHARE_COMPAT)?"OF_SHARE_COMPAT":
2195 ((mode & 0x70 )==OF_SHARE_DENY_NONE)?"OF_SHARE_DENY_NONE":
2196 ((mode & 0x70 )==OF_SHARE_DENY_READ)?"OF_SHARE_DENY_READ":
2197 ((mode & 0x70 )==OF_SHARE_DENY_WRITE)?"OF_SHARE_DENY_WRITE":
2198 ((mode & 0x70 )==OF_SHARE_EXCLUSIVE)?"OF_SHARE_EXCLUSIVE":"unknown",
2199 ((mode & OF_PARSE )==OF_PARSE)?"OF_PARSE ":"",
2200 ((mode & OF_DELETE )==OF_DELETE)?"OF_DELETE ":"",
2201 ((mode & OF_VERIFY )==OF_VERIFY)?"OF_VERIFY ":"",
2202 ((mode & OF_SEARCH )==OF_SEARCH)?"OF_SEARCH ":"",
2203 ((mode & OF_CANCEL )==OF_CANCEL)?"OF_CANCEL ":"",
2204 ((mode & OF_CREATE )==OF_CREATE)?"OF_CREATE ":"",
2205 ((mode & OF_PROMPT )==OF_PROMPT)?"OF_PROMPT ":"",
2206 ((mode & OF_EXIST )==OF_EXIST)?"OF_EXIST ":"",
2207 ((mode & OF_REOPEN )==OF_REOPEN)?"OF_REOPEN ":""
2208 );
2209
2210
2211 ofs->cBytes = sizeof(OFSTRUCT);
2212 ofs->nErrCode = 0;
2213 if (mode & OF_REOPEN) name = ofs->szPathName;
2214
2215 if (!name) return HFILE_ERROR;
2216
2217 TRACE("%s %04x\n", name, mode );
2218
2219 /* the watcom 10.6 IDE relies on a valid path returned in ofs->szPathName
2220 Are there any cases where getting the path here is wrong?
2221 Uwe Bonnes 1997 Apr 2 */
2222 if (!GetFullPathNameA( name, sizeof(ofs->szPathName), ofs->szPathName, NULL )) goto error;
2223
2224 /* OF_PARSE simply fills the structure */
2225
2226 if (mode & OF_PARSE)
2227 {
2228 ofs->fFixedDisk = (GetDriveTypeA( ofs->szPathName ) != DRIVE_REMOVABLE);
2229 TRACE("(%s): OF_PARSE, res = '%s'\n", name, ofs->szPathName );
2230 return 0;
2231 }
2232
2233 /* OF_CREATE is completely different from all other options, so
2234 handle it first */
2235
2236 if (mode & OF_CREATE)
2237 {
2238 if ((handle = create_file_OF( name, mode )) == INVALID_HANDLE_VALUE)
2239 goto error;
2240 }
2241 else
2242 {
2243 /* Now look for the file */
2244
2245 if (!SearchPathA( NULL, name, NULL, sizeof(ofs->szPathName), ofs->szPathName, NULL ))
2246 goto error;
2247
2248 TRACE("found %s\n", debugstr_a(ofs->szPathName) );
2249
2250 if (mode & OF_DELETE)
2251 {
2252 if (!DeleteFileA( ofs->szPathName )) goto error;
2253 TRACE("(%s): OF_DELETE return = OK\n", name);
2254 return TRUE;
2255 }
2256
2257 handle = (HANDLE)_lopen( ofs->szPathName, mode );
2258 if (handle == INVALID_HANDLE_VALUE) goto error;
2259
2260 GetFileTime( handle, NULL, NULL, &filetime );
2261 FileTimeToDosDateTime( &filetime, &filedatetime[0], &filedatetime[1] );
2262 if ((mode & OF_VERIFY) && (mode & OF_REOPEN))
2263 {
2264 if (ofs->Reserved1 != filedatetime[0] || ofs->Reserved2 != filedatetime[1] )
2265 {
2266 CloseHandle( handle );
2267 WARN("(%s): OF_VERIFY failed\n", name );
2268 /* FIXME: what error here? */
2269 SetLastError( ERROR_FILE_NOT_FOUND );
2270 goto error;
2271 }
2272 }
2273 ofs->Reserved1 = filedatetime[0];
2274 ofs->Reserved2 = filedatetime[1];
2275 }
2276 TRACE("(%s): OK, return = %p\n", name, handle );
2277 if (mode & OF_EXIST) /* Return TRUE instead of a handle */
2278 {
2279 CloseHandle( handle );
2280 return TRUE;
2281 }
2282 else return (HFILE)handle;
2283
2284 error: /* We get here if there was an error opening the file */
2285 ofs->nErrCode = GetLastError();
2286 WARN("(%s): return = HFILE_ERROR error= %d\n", name,ofs->nErrCode );
2287 return HFILE_ERROR;
2288 }
useful hacks and other patches not (yet) suitable for mainline