1 /*
2 * File handling functions
3 *
4 * Copyright 1993 John Burton
5 * Copyright 1996, 2004 Alexandre Julliard
6 * Copyright 2008 Jeff Zaroyko
7 *
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
12 *
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
17 *
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with this library; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
21 */
22
23 #include "config.h"
24 #include "wine/port.h"
25
26 #include <stdarg.h>
27 #include <stdio.h>
28 #include <errno.h>
29 #ifdef HAVE_SYS_STAT_H
30 # include <sys/stat.h>
31 #endif
32
33 #define NONAMELESSUNION
34 #define NONAMELESSSTRUCT
35 #include "winerror.h"
36 #include "ntstatus.h"
37 #define WIN32_NO_STATUS
38 #include "windef.h"
39 #include "winbase.h"
40 #include "winternl.h"
41 #include "winioctl.h"
42 #include "wincon.h"
43 #include "wine/winbase16.h"
44 #include "kernel_private.h"
45
46 #include "wine/exception.h"
47 #include "wine/unicode.h"
48 #include "wine/debug.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 io_status->Information = 0;
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 * ReadFileScatter (KERNEL32.@)
395 */
396 BOOL WINAPI ReadFileScatter( HANDLE file, FILE_SEGMENT_ELEMENT *segments, DWORD count,
397 LPDWORD reserved, LPOVERLAPPED overlapped )
398 {
399 PIO_STATUS_BLOCK io_status;
400 LARGE_INTEGER offset;
401 NTSTATUS status;
402
403 TRACE( "(%p %p %u %p)\n", file, segments, count, overlapped );
404
405 offset.u.LowPart = overlapped->u.s.Offset;
406 offset.u.HighPart = overlapped->u.s.OffsetHigh;
407 io_status = (PIO_STATUS_BLOCK)overlapped;
408 io_status->u.Status = STATUS_PENDING;
409 io_status->Information = 0;
410
411 status = NtReadFileScatter( file, NULL, NULL, NULL, io_status, segments, count, &offset, NULL );
412 if (status) SetLastError( RtlNtStatusToDosError(status) );
413 return !status;
414 }
415
416
417 /***********************************************************************
418 * ReadFile (KERNEL32.@)
419 */
420 BOOL WINAPI ReadFile( HANDLE hFile, LPVOID buffer, DWORD bytesToRead,
421 LPDWORD bytesRead, LPOVERLAPPED overlapped )
422 {
423 LARGE_INTEGER offset;
424 PLARGE_INTEGER poffset = NULL;
425 IO_STATUS_BLOCK iosb;
426 PIO_STATUS_BLOCK io_status = &iosb;
427 HANDLE hEvent = 0;
428 NTSTATUS status;
429 LPVOID cvalue = NULL;
430
431 TRACE("%p %p %d %p %p\n", hFile, buffer, bytesToRead,
432 bytesRead, overlapped );
433
434 if (bytesRead) *bytesRead = 0; /* Do this before anything else */
435 if (!bytesToRead) return TRUE;
436
437 if (is_console_handle(hFile))
438 return ReadConsoleA(hFile, buffer, bytesToRead, bytesRead, NULL);
439
440 if (overlapped != NULL)
441 {
442 offset.u.LowPart = overlapped->u.s.Offset;
443 offset.u.HighPart = overlapped->u.s.OffsetHigh;
444 poffset = &offset;
445 hEvent = overlapped->hEvent;
446 io_status = (PIO_STATUS_BLOCK)overlapped;
447 if (((ULONG_PTR)hEvent & 1) == 0) cvalue = overlapped;
448 }
449 io_status->u.Status = STATUS_PENDING;
450 io_status->Information = 0;
451
452 status = NtReadFile(hFile, hEvent, NULL, cvalue, io_status, buffer, bytesToRead, poffset, NULL);
453
454 if (status == STATUS_PENDING && !overlapped)
455 {
456 WaitForSingleObject( hFile, INFINITE );
457 status = io_status->u.Status;
458 }
459
460 if (status != STATUS_PENDING && bytesRead)
461 *bytesRead = io_status->Information;
462
463 if (status && status != STATUS_END_OF_FILE && status != STATUS_TIMEOUT)
464 {
465 SetLastError( RtlNtStatusToDosError(status) );
466 return FALSE;
467 }
468 return TRUE;
469 }
470
471
472 /***********************************************************************
473 * WriteFileEx (KERNEL32.@)
474 */
475 BOOL WINAPI WriteFileEx(HANDLE hFile, LPCVOID buffer, DWORD bytesToWrite,
476 LPOVERLAPPED overlapped,
477 LPOVERLAPPED_COMPLETION_ROUTINE lpCompletionRoutine)
478 {
479 LARGE_INTEGER offset;
480 NTSTATUS status;
481 PIO_STATUS_BLOCK io_status;
482
483 TRACE("%p %p %d %p %p\n", hFile, buffer, bytesToWrite, overlapped, lpCompletionRoutine);
484
485 if (overlapped == NULL)
486 {
487 SetLastError(ERROR_INVALID_PARAMETER);
488 return FALSE;
489 }
490 offset.u.LowPart = overlapped->u.s.Offset;
491 offset.u.HighPart = overlapped->u.s.OffsetHigh;
492
493 io_status = (PIO_STATUS_BLOCK)overlapped;
494 io_status->u.Status = STATUS_PENDING;
495 io_status->Information = 0;
496
497 status = NtWriteFile(hFile, NULL, FILE_ReadWriteApc, lpCompletionRoutine,
498 io_status, buffer, bytesToWrite, &offset, NULL);
499
500 if (status) SetLastError( RtlNtStatusToDosError(status) );
501 return !status;
502 }
503
504
505 /***********************************************************************
506 * WriteFileGather (KERNEL32.@)
507 */
508 BOOL WINAPI WriteFileGather( HANDLE file, FILE_SEGMENT_ELEMENT *segments, DWORD count,
509 LPDWORD reserved, LPOVERLAPPED overlapped )
510 {
511 PIO_STATUS_BLOCK io_status;
512 LARGE_INTEGER offset;
513 NTSTATUS status;
514
515 TRACE( "%p %p %u %p\n", file, segments, count, overlapped );
516
517 offset.u.LowPart = overlapped->u.s.Offset;
518 offset.u.HighPart = overlapped->u.s.OffsetHigh;
519 io_status = (PIO_STATUS_BLOCK)overlapped;
520 io_status->u.Status = STATUS_PENDING;
521 io_status->Information = 0;
522
523 status = NtWriteFileGather( file, NULL, NULL, NULL, io_status, segments, count, &offset, NULL );
524 if (status) SetLastError( RtlNtStatusToDosError(status) );
525 return !status;
526 }
527
528
529 /***********************************************************************
530 * WriteFile (KERNEL32.@)
531 */
532 BOOL WINAPI WriteFile( HANDLE hFile, LPCVOID buffer, DWORD bytesToWrite,
533 LPDWORD bytesWritten, LPOVERLAPPED overlapped )
534 {
535 HANDLE hEvent = NULL;
536 LARGE_INTEGER offset;
537 PLARGE_INTEGER poffset = NULL;
538 NTSTATUS status;
539 IO_STATUS_BLOCK iosb;
540 PIO_STATUS_BLOCK piosb = &iosb;
541 LPVOID cvalue = NULL;
542
543 TRACE("%p %p %d %p %p\n", hFile, buffer, bytesToWrite, bytesWritten, overlapped );
544
545 if (is_console_handle(hFile))
546 return WriteConsoleA(hFile, buffer, bytesToWrite, bytesWritten, NULL);
547
548 if (overlapped)
549 {
550 offset.u.LowPart = overlapped->u.s.Offset;
551 offset.u.HighPart = overlapped->u.s.OffsetHigh;
552 poffset = &offset;
553 hEvent = overlapped->hEvent;
554 piosb = (PIO_STATUS_BLOCK)overlapped;
555 if (((ULONG_PTR)hEvent & 1) == 0) cvalue = overlapped;
556 }
557 piosb->u.Status = STATUS_PENDING;
558 piosb->Information = 0;
559
560 status = NtWriteFile(hFile, hEvent, NULL, cvalue, piosb,
561 buffer, bytesToWrite, poffset, NULL);
562
563 /* FIXME: NtWriteFile does not always cause page faults, generate them now */
564 if (status == STATUS_INVALID_USER_BUFFER && !IsBadReadPtr( buffer, bytesToWrite ))
565 {
566 status = NtWriteFile(hFile, hEvent, NULL, cvalue, piosb,
567 buffer, bytesToWrite, poffset, NULL);
568 if (status != STATUS_INVALID_USER_BUFFER)
569 FIXME("Could not access memory (%p,%d) at first, now OK. Protected by DIBSection code?\n",
570 buffer, bytesToWrite);
571 }
572
573 if (status == STATUS_PENDING && !overlapped)
574 {
575 WaitForSingleObject( hFile, INFINITE );
576 status = piosb->u.Status;
577 }
578
579 if (status != STATUS_PENDING && bytesWritten)
580 *bytesWritten = piosb->Information;
581
582 if (status && status != STATUS_TIMEOUT)
583 {
584 SetLastError( RtlNtStatusToDosError(status) );
585 return FALSE;
586 }
587 return TRUE;
588 }
589
590
591 /***********************************************************************
592 * GetOverlappedResult (KERNEL32.@)
593 *
594 * Check the result of an Asynchronous data transfer from a file.
595 *
596 * Parameters
597 * HANDLE hFile [in] handle of file to check on
598 * LPOVERLAPPED lpOverlapped [in/out] pointer to overlapped
599 * LPDWORD lpTransferred [in/out] number of bytes transferred
600 * BOOL bWait [in] wait for the transfer to complete ?
601 *
602 * RETURNS
603 * TRUE on success
604 * FALSE on failure
605 *
606 * If successful (and relevant) lpTransferred will hold the number of
607 * bytes transferred during the async operation.
608 */
609 BOOL WINAPI GetOverlappedResult(HANDLE hFile, LPOVERLAPPED lpOverlapped,
610 LPDWORD lpTransferred, BOOL bWait)
611 {
612 NTSTATUS status;
613
614 TRACE( "(%p %p %p %x)\n", hFile, lpOverlapped, lpTransferred, bWait );
615
616 if ( lpOverlapped == NULL )
617 {
618 ERR("lpOverlapped was null\n");
619 return FALSE;
620 }
621
622 status = lpOverlapped->Internal;
623 if (status == STATUS_PENDING)
624 {
625 if (!bWait)
626 {
627 SetLastError( ERROR_IO_INCOMPLETE );
628 return FALSE;
629 }
630
631 if (WaitForSingleObject( lpOverlapped->hEvent ? lpOverlapped->hEvent : hFile,
632 INFINITE ) == WAIT_FAILED)
633 return FALSE;
634 status = lpOverlapped->Internal;
635 }
636
637 if (lpTransferred) *lpTransferred = lpOverlapped->InternalHigh;
638
639 if (status) SetLastError( RtlNtStatusToDosError(status) );
640 return !status;
641 }
642
643 /***********************************************************************
644 * CancelIo (KERNEL32.@)
645 *
646 * Cancels pending I/O operations initiated by the current thread on a file.
647 *
648 * PARAMS
649 * handle [I] File handle.
650 *
651 * RETURNS
652 * Success: TRUE.
653 * Failure: FALSE, check GetLastError().
654 */
655 BOOL WINAPI CancelIo(HANDLE handle)
656 {
657 IO_STATUS_BLOCK io_status;
658
659 NtCancelIoFile(handle, &io_status);
660 if (io_status.u.Status)
661 {
662 SetLastError( RtlNtStatusToDosError( io_status.u.Status ) );
663 return FALSE;
664 }
665 return TRUE;
666 }
667
668 /***********************************************************************
669 * _hread (KERNEL32.@)
670 */
671 LONG WINAPI _hread( HFILE hFile, LPVOID buffer, LONG count)
672 {
673 return _lread( hFile, buffer, count );
674 }
675
676
677 /***********************************************************************
678 * _hwrite (KERNEL32.@)
679 *
680 * experimentation yields that _lwrite:
681 * o truncates the file at the current position with
682 * a 0 len write
683 * o returns 0 on a 0 length write
684 * o works with console handles
685 *
686 */
687 LONG WINAPI _hwrite( HFILE handle, LPCSTR buffer, LONG count )
688 {
689 DWORD result;
690
691 TRACE("%d %p %d\n", handle, buffer, count );
692
693 if (!count)
694 {
695 /* Expand or truncate at current position */
696 if (!SetEndOfFile( LongToHandle(handle) )) return HFILE_ERROR;
697 return 0;
698 }
699 if (!WriteFile( LongToHandle(handle), buffer, count, &result, NULL ))
700 return HFILE_ERROR;
701 return result;
702 }
703
704
705 /***********************************************************************
706 * _lclose (KERNEL32.@)
707 */
708 HFILE WINAPI _lclose( HFILE hFile )
709 {
710 TRACE("handle %d\n", hFile );
711 return CloseHandle( LongToHandle(hFile) ) ? 0 : HFILE_ERROR;
712 }
713
714
715 /***********************************************************************
716 * _lcreat (KERNEL32.@)
717 */
718 HFILE WINAPI _lcreat( LPCSTR path, INT attr )
719 {
720 HANDLE hfile;
721
722 /* Mask off all flags not explicitly allowed by the doc */
723 attr &= FILE_ATTRIBUTE_READONLY | FILE_ATTRIBUTE_HIDDEN | FILE_ATTRIBUTE_SYSTEM;
724 TRACE("%s %02x\n", path, attr );
725 hfile = CreateFileA( path, GENERIC_READ | GENERIC_WRITE,
726 FILE_SHARE_READ | FILE_SHARE_WRITE, NULL,
727 CREATE_ALWAYS, attr, 0 );
728 return HandleToLong(hfile);
729 }
730
731
732 /***********************************************************************
733 * _lopen (KERNEL32.@)
734 */
735 HFILE WINAPI _lopen( LPCSTR path, INT mode )
736 {
737 HANDLE hfile;
738
739 TRACE("(%s,%04x)\n", debugstr_a(path), mode );
740 hfile = create_file_OF( path, mode & ~OF_CREATE );
741 return HandleToLong(hfile);
742 }
743
744 /***********************************************************************
745 * _lread (KERNEL32.@)
746 */
747 UINT WINAPI _lread( HFILE handle, LPVOID buffer, UINT count )
748 {
749 DWORD result;
750 if (!ReadFile( LongToHandle(handle), buffer, count, &result, NULL ))
751 return HFILE_ERROR;
752 return result;
753 }
754
755
756 /***********************************************************************
757 * _llseek (KERNEL32.@)
758 */
759 LONG WINAPI _llseek( HFILE hFile, LONG lOffset, INT nOrigin )
760 {
761 return SetFilePointer( LongToHandle(hFile), lOffset, NULL, nOrigin );
762 }
763
764
765 /***********************************************************************
766 * _lwrite (KERNEL32.@)
767 */
768 UINT WINAPI _lwrite( HFILE hFile, LPCSTR buffer, UINT count )
769 {
770 return (UINT)_hwrite( hFile, buffer, (LONG)count );
771 }
772
773
774 /***********************************************************************
775 * FlushFileBuffers (KERNEL32.@)
776 */
777 BOOL WINAPI FlushFileBuffers( HANDLE hFile )
778 {
779 NTSTATUS nts;
780 IO_STATUS_BLOCK ioblk;
781
782 if (is_console_handle( hFile ))
783 {
784 /* this will fail (as expected) for an output handle */
785 return FlushConsoleInputBuffer( hFile );
786 }
787 nts = NtFlushBuffersFile( hFile, &ioblk );
788 if (nts != STATUS_SUCCESS)
789 {
790 SetLastError( RtlNtStatusToDosError( nts ) );
791 return FALSE;
792 }
793
794 return TRUE;
795 }
796
797
798 /***********************************************************************
799 * GetFileType (KERNEL32.@)
800 */
801 DWORD WINAPI GetFileType( HANDLE hFile )
802 {
803 FILE_FS_DEVICE_INFORMATION info;
804 IO_STATUS_BLOCK io;
805 NTSTATUS status;
806
807 if (is_console_handle( hFile )) return FILE_TYPE_CHAR;
808
809 status = NtQueryVolumeInformationFile( hFile, &io, &info, sizeof(info), FileFsDeviceInformation );
810 if (status != STATUS_SUCCESS)
811 {
812 SetLastError( RtlNtStatusToDosError(status) );
813 return FILE_TYPE_UNKNOWN;
814 }
815
816 switch(info.DeviceType)
817 {
818 case FILE_DEVICE_NULL:
819 case FILE_DEVICE_SERIAL_PORT:
820 case FILE_DEVICE_PARALLEL_PORT:
821 case FILE_DEVICE_TAPE:
822 case FILE_DEVICE_UNKNOWN:
823 return FILE_TYPE_CHAR;
824 case FILE_DEVICE_NAMED_PIPE:
825 return FILE_TYPE_PIPE;
826 default:
827 return FILE_TYPE_DISK;
828 }
829 }
830
831
832 /***********************************************************************
833 * GetFileInformationByHandle (KERNEL32.@)
834 */
835 BOOL WINAPI GetFileInformationByHandle( HANDLE hFile, BY_HANDLE_FILE_INFORMATION *info )
836 {
837 FILE_ALL_INFORMATION all_info;
838 IO_STATUS_BLOCK io;
839 NTSTATUS status;
840
841 status = NtQueryInformationFile( hFile, &io, &all_info, sizeof(all_info), FileAllInformation );
842 if (status == STATUS_SUCCESS)
843 {
844 info->dwFileAttributes = all_info.BasicInformation.FileAttributes;
845 info->ftCreationTime.dwHighDateTime = all_info.BasicInformation.CreationTime.u.HighPart;
846 info->ftCreationTime.dwLowDateTime = all_info.BasicInformation.CreationTime.u.LowPart;
847 info->ftLastAccessTime.dwHighDateTime = all_info.BasicInformation.LastAccessTime.u.HighPart;
848 info->ftLastAccessTime.dwLowDateTime = all_info.BasicInformation.LastAccessTime.u.LowPart;
849 info->ftLastWriteTime.dwHighDateTime = all_info.BasicInformation.LastWriteTime.u.HighPart;
850 info->ftLastWriteTime.dwLowDateTime = all_info.BasicInformation.LastWriteTime.u.LowPart;
851 info->dwVolumeSerialNumber = 0; /* FIXME */
852 info->nFileSizeHigh = all_info.StandardInformation.EndOfFile.u.HighPart;
853 info->nFileSizeLow = all_info.StandardInformation.EndOfFile.u.LowPart;
854 info->nNumberOfLinks = all_info.StandardInformation.NumberOfLinks;
855 info->nFileIndexHigh = all_info.InternalInformation.IndexNumber.u.HighPart;
856 info->nFileIndexLow = all_info.InternalInformation.IndexNumber.u.LowPart;
857 return TRUE;
858 }
859 SetLastError( RtlNtStatusToDosError(status) );
860 return FALSE;
861 }
862
863
864 /***********************************************************************
865 * GetFileSize (KERNEL32.@)
866 *
867 * Retrieve the size of a file.
868 *
869 * PARAMS
870 * hFile [I] File to retrieve size of.
871 * filesizehigh [O] On return, the high bits of the file size.
872 *
873 * RETURNS
874 * Success: The low bits of the file size.
875 * Failure: INVALID_FILE_SIZE. As this is could also be a success value,
876 * check GetLastError() for values other than ERROR_SUCCESS.
877 */
878 DWORD WINAPI GetFileSize( HANDLE hFile, LPDWORD filesizehigh )
879 {
880 LARGE_INTEGER size;
881 if (!GetFileSizeEx( hFile, &size )) return INVALID_FILE_SIZE;
882 if (filesizehigh) *filesizehigh = size.u.HighPart;
883 if (size.u.LowPart == INVALID_FILE_SIZE) SetLastError(0);
884 return size.u.LowPart;
885 }
886
887
888 /***********************************************************************
889 * GetFileSizeEx (KERNEL32.@)
890 *
891 * Retrieve the size of a file.
892 *
893 * PARAMS
894 * hFile [I] File to retrieve size of.
895 * lpFileSIze [O] On return, the size of the file.
896 *
897 * RETURNS
898 * Success: TRUE.
899 * Failure: FALSE, check GetLastError().
900 */
901 BOOL WINAPI GetFileSizeEx( HANDLE hFile, PLARGE_INTEGER lpFileSize )
902 {
903 FILE_STANDARD_INFORMATION info;
904 IO_STATUS_BLOCK io;
905 NTSTATUS status;
906
907 status = NtQueryInformationFile( hFile, &io, &info, sizeof(info), FileStandardInformation );
908 if (status == STATUS_SUCCESS)
909 {
910 *lpFileSize = info.EndOfFile;
911 return TRUE;
912 }
913 SetLastError( RtlNtStatusToDosError(status) );
914 return FALSE;
915 }
916
917
918 /**************************************************************************
919 * SetEndOfFile (KERNEL32.@)
920 *
921 * Sets the current position as the end of the file.
922 *
923 * PARAMS
924 * hFile [I] File handle.
925 *
926 * RETURNS
927 * Success: TRUE.
928 * Failure: FALSE, check GetLastError().
929 */
930 BOOL WINAPI SetEndOfFile( HANDLE hFile )
931 {
932 FILE_POSITION_INFORMATION pos;
933 FILE_END_OF_FILE_INFORMATION eof;
934 IO_STATUS_BLOCK io;
935 NTSTATUS status;
936
937 status = NtQueryInformationFile( hFile, &io, &pos, sizeof(pos), FilePositionInformation );
938 if (status == STATUS_SUCCESS)
939 {
940 eof.EndOfFile = pos.CurrentByteOffset;
941 status = NtSetInformationFile( hFile, &io, &eof, sizeof(eof), FileEndOfFileInformation );
942 }
943 if (status == STATUS_SUCCESS) return TRUE;
944 SetLastError( RtlNtStatusToDosError(status) );
945 return FALSE;
946 }
947
948
949 /***********************************************************************
950 * SetFilePointer (KERNEL32.@)
951 */
952 DWORD WINAPI SetFilePointer( HANDLE hFile, LONG distance, LONG *highword, DWORD method )
953 {
954 LARGE_INTEGER dist, newpos;
955
956 if (highword)
957 {
958 dist.u.LowPart = distance;
959 dist.u.HighPart = *highword;
960 }
961 else dist.QuadPart = distance;
962
963 if (!SetFilePointerEx( hFile, dist, &newpos, method )) return INVALID_SET_FILE_POINTER;
964
965 if (highword) *highword = newpos.u.HighPart;
966 if (newpos.u.LowPart == INVALID_SET_FILE_POINTER) SetLastError( 0 );
967 return newpos.u.LowPart;
968 }
969
970
971 /***********************************************************************
972 * SetFilePointerEx (KERNEL32.@)
973 */
974 BOOL WINAPI SetFilePointerEx( HANDLE hFile, LARGE_INTEGER distance,
975 LARGE_INTEGER *newpos, DWORD method )
976 {
977 LONGLONG pos;
978 IO_STATUS_BLOCK io;
979 FILE_POSITION_INFORMATION info;
980
981 switch(method)
982 {
983 case FILE_BEGIN:
984 pos = distance.QuadPart;
985 break;
986 case FILE_CURRENT:
987 if (NtQueryInformationFile( hFile, &io, &info, sizeof(info), FilePositionInformation ))
988 goto error;
989 pos = info.CurrentByteOffset.QuadPart + distance.QuadPart;
990 break;
991 case FILE_END:
992 {
993 FILE_END_OF_FILE_INFORMATION eof;
994 if (NtQueryInformationFile( hFile, &io, &eof, sizeof(eof), FileEndOfFileInformation ))
995 goto error;
996 pos = eof.EndOfFile.QuadPart + distance.QuadPart;
997 }
998 break;
999 default:
1000 SetLastError( ERROR_INVALID_PARAMETER );
1001 return FALSE;
1002 }
1003
1004 if (pos < 0)
1005 {
1006 SetLastError( ERROR_NEGATIVE_SEEK );
1007 return FALSE;
1008 }
1009
1010 info.CurrentByteOffset.QuadPart = pos;
1011 if (NtSetInformationFile( hFile, &io, &info, sizeof(info), FilePositionInformation ))
1012 goto error;
1013 if (newpos) newpos->QuadPart = pos;
1014 return TRUE;
1015
1016 error:
1017 SetLastError( RtlNtStatusToDosError(io.u.Status) );
1018 return FALSE;
1019 }
1020
1021 /***********************************************************************
1022 * GetFileTime (KERNEL32.@)
1023 */
1024 BOOL WINAPI GetFileTime( HANDLE hFile, FILETIME *lpCreationTime,
1025 FILETIME *lpLastAccessTime, FILETIME *lpLastWriteTime )
1026 {
1027 FILE_BASIC_INFORMATION info;
1028 IO_STATUS_BLOCK io;
1029 NTSTATUS status;
1030
1031 status = NtQueryInformationFile( hFile, &io, &info, sizeof(info), FileBasicInformation );
1032 if (status == STATUS_SUCCESS)
1033 {
1034 if (lpCreationTime)
1035 {
1036 lpCreationTime->dwHighDateTime = info.CreationTime.u.HighPart;
1037 lpCreationTime->dwLowDateTime = info.CreationTime.u.LowPart;
1038 }
1039 if (lpLastAccessTime)
1040 {
1041 lpLastAccessTime->dwHighDateTime = info.LastAccessTime.u.HighPart;
1042 lpLastAccessTime->dwLowDateTime = info.LastAccessTime.u.LowPart;
1043 }
1044 if (lpLastWriteTime)
1045 {
1046 lpLastWriteTime->dwHighDateTime = info.LastWriteTime.u.HighPart;
1047 lpLastWriteTime->dwLowDateTime = info.LastWriteTime.u.LowPart;
1048 }
1049 return TRUE;
1050 }
1051 SetLastError( RtlNtStatusToDosError(status) );
1052 return FALSE;
1053 }
1054
1055
1056 /***********************************************************************
1057 * SetFileTime (KERNEL32.@)
1058 */
1059 BOOL WINAPI SetFileTime( HANDLE hFile, const FILETIME *ctime,
1060 const FILETIME *atime, const FILETIME *mtime )
1061 {
1062 FILE_BASIC_INFORMATION info;
1063 IO_STATUS_BLOCK io;
1064 NTSTATUS status;
1065
1066 memset( &info, 0, sizeof(info) );
1067 if (ctime)
1068 {
1069 info.CreationTime.u.HighPart = ctime->dwHighDateTime;
1070 info.CreationTime.u.LowPart = ctime->dwLowDateTime;
1071 }
1072 if (atime)
1073 {
1074 info.LastAccessTime.u.HighPart = atime->dwHighDateTime;
1075 info.LastAccessTime.u.LowPart = atime->dwLowDateTime;
1076 }
1077 if (mtime)
1078 {
1079 info.LastWriteTime.u.HighPart = mtime->dwHighDateTime;
1080 info.LastWriteTime.u.LowPart = mtime->dwLowDateTime;
1081 }
1082
1083 status = NtSetInformationFile( hFile, &io, &info, sizeof(info), FileBasicInformation );
1084 if (status == STATUS_SUCCESS) return TRUE;
1085 SetLastError( RtlNtStatusToDosError(status) );
1086 return FALSE;
1087 }
1088
1089
1090 /**************************************************************************
1091 * LockFile (KERNEL32.@)
1092 */
1093 BOOL WINAPI LockFile( HANDLE hFile, DWORD offset_low, DWORD offset_high,
1094 DWORD count_low, DWORD count_high )
1095 {
1096 NTSTATUS status;
1097 LARGE_INTEGER count, offset;
1098
1099 TRACE( "%p %x%08x %x%08x\n",
1100 hFile, offset_high, offset_low, count_high, count_low );
1101
1102 count.u.LowPart = count_low;
1103 count.u.HighPart = count_high;
1104 offset.u.LowPart = offset_low;
1105 offset.u.HighPart = offset_high;
1106
1107 status = NtLockFile( hFile, 0, NULL, NULL,
1108 NULL, &offset, &count, NULL, TRUE, TRUE );
1109
1110 if (status != STATUS_SUCCESS) SetLastError( RtlNtStatusToDosError(status) );
1111 return !status;
1112 }
1113
1114
1115 /**************************************************************************
1116 * LockFileEx [KERNEL32.@]
1117 *
1118 * Locks a byte range within an open file for shared or exclusive access.
1119 *
1120 * RETURNS
1121 * success: TRUE
1122 * failure: FALSE
1123 *
1124 * NOTES
1125 * Per Microsoft docs, the third parameter (reserved) must be set to 0.
1126 */
1127 BOOL WINAPI LockFileEx( HANDLE hFile, DWORD flags, DWORD reserved,
1128 DWORD count_low, DWORD count_high, LPOVERLAPPED overlapped )
1129 {
1130 NTSTATUS status;
1131 LARGE_INTEGER count, offset;
1132 LPVOID cvalue = NULL;
1133
1134 if (reserved)
1135 {
1136 SetLastError( ERROR_INVALID_PARAMETER );
1137 return FALSE;
1138 }
1139
1140 TRACE( "%p %x%08x %x%08x flags %x\n",
1141 hFile, overlapped->u.s.OffsetHigh, overlapped->u.s.Offset,
1142 count_high, count_low, flags );
1143
1144 count.u.LowPart = count_low;
1145 count.u.HighPart = count_high;
1146 offset.u.LowPart = overlapped->u.s.Offset;
1147 offset.u.HighPart = overlapped->u.s.OffsetHigh;
1148
1149 if (((ULONG_PTR)overlapped->hEvent & 1) == 0) cvalue = overlapped;
1150
1151 status = NtLockFile( hFile, overlapped->hEvent, NULL, cvalue,
1152 NULL, &offset, &count, NULL,
1153 flags & LOCKFILE_FAIL_IMMEDIATELY,
1154 flags & LOCKFILE_EXCLUSIVE_LOCK );
1155
1156 if (status) SetLastError( RtlNtStatusToDosError(status) );
1157 return !status;
1158 }
1159
1160
1161 /**************************************************************************
1162 * UnlockFile (KERNEL32.@)
1163 */
1164 BOOL WINAPI UnlockFile( HANDLE hFile, DWORD offset_low, DWORD offset_high,
1165 DWORD count_low, DWORD count_high )
1166 {
1167 NTSTATUS status;
1168 LARGE_INTEGER count, offset;
1169
1170 count.u.LowPart = count_low;
1171 count.u.HighPart = count_high;
1172 offset.u.LowPart = offset_low;
1173 offset.u.HighPart = offset_high;
1174
1175 status = NtUnlockFile( hFile, NULL, &offset, &count, NULL);
1176 if (status) SetLastError( RtlNtStatusToDosError(status) );
1177 return !status;
1178 }
1179
1180
1181 /**************************************************************************
1182 * UnlockFileEx (KERNEL32.@)
1183 */
1184 BOOL WINAPI UnlockFileEx( HANDLE hFile, DWORD reserved, DWORD count_low, DWORD count_high,
1185 LPOVERLAPPED overlapped )
1186 {
1187 if (reserved)
1188 {
1189 SetLastError( ERROR_INVALID_PARAMETER );
1190 return FALSE;
1191 }
1192 if (overlapped->hEvent) FIXME("Unimplemented overlapped operation\n");
1193
1194 return UnlockFile( hFile, overlapped->u.s.Offset, overlapped->u.s.OffsetHigh, count_low, count_high );
1195 }
1196
1197
1198 /***********************************************************************
1199 * Win32HandleToDosFileHandle (KERNEL32.21)
1200 *
1201 * Allocate a DOS handle for a Win32 handle. The Win32 handle is no
1202 * longer valid after this function (even on failure).
1203 *
1204 * Note: this is not exactly right, since on Win95 the Win32 handles
1205 * are on top of DOS handles and we do it the other way
1206 * around. Should be good enough though.
1207 */
1208 HFILE WINAPI Win32HandleToDosFileHandle( HANDLE handle )
1209 {
1210 int i;
1211
1212 if (!handle || (handle == INVALID_HANDLE_VALUE))
1213 return HFILE_ERROR;
1214
1215 FILE_InitProcessDosHandles();
1216 for (i = 0; i < DOS_TABLE_SIZE; i++)
1217 if (!dos_handles[i])
1218 {
1219 dos_handles[i] = handle;
1220 TRACE("Got %d for h32 %p\n", i, handle );
1221 return (HFILE)i;
1222 }
1223 CloseHandle( handle );
1224 SetLastError( ERROR_TOO_MANY_OPEN_FILES );
1225 return HFILE_ERROR;
1226 }
1227
1228
1229 /***********************************************************************
1230 * DosFileHandleToWin32Handle (KERNEL32.20)
1231 *
1232 * Return the Win32 handle for a DOS handle.
1233 *
1234 * Note: this is not exactly right, since on Win95 the Win32 handles
1235 * are on top of DOS handles and we do it the other way
1236 * around. Should be good enough though.
1237 */
1238 HANDLE WINAPI DosFileHandleToWin32Handle( HFILE handle )
1239 {
1240 HFILE16 hfile = (HFILE16)handle;
1241 if (hfile < 5) FILE_InitProcessDosHandles();
1242 if ((hfile >= DOS_TABLE_SIZE) || !dos_handles[hfile])
1243 {
1244 SetLastError( ERROR_INVALID_HANDLE );
1245 return INVALID_HANDLE_VALUE;
1246 }
1247 return dos_handles[hfile];
1248 }
1249
1250
1251 /*************************************************************************
1252 * SetHandleCount (KERNEL32.@)
1253 */
1254 UINT WINAPI SetHandleCount( UINT count )
1255 {
1256 return min( 256, count );
1257 }
1258
1259
1260 /***********************************************************************
1261 * DisposeLZ32Handle (KERNEL32.22)
1262 *
1263 * Note: this is not entirely correct, we should only close the
1264 * 32-bit handle and not the 16-bit one, but we cannot do
1265 * this because of the way our DOS handles are implemented.
1266 * It shouldn't break anything though.
1267 */
1268 void WINAPI DisposeLZ32Handle( HANDLE handle )
1269 {
1270 int i;
1271
1272 if (!handle || (handle == INVALID_HANDLE_VALUE)) return;
1273
1274 for (i = 5; i < DOS_TABLE_SIZE; i++)
1275 if (dos_handles[i] == handle)
1276 {
1277 dos_handles[i] = 0;
1278 CloseHandle( handle );
1279 break;
1280 }
1281 }
1282
1283 /**************************************************************************
1284 * Operations on file names *
1285 **************************************************************************/
1286
1287
1288 /*************************************************************************
1289 * CreateFileW [KERNEL32.@] Creates or opens a file or other object
1290 *
1291 * Creates or opens an object, and returns a handle that can be used to
1292 * access that object.
1293 *
1294 * PARAMS
1295 *
1296 * filename [in] pointer to filename to be accessed
1297 * access [in] access mode requested
1298 * sharing [in] share mode
1299 * sa [in] pointer to security attributes
1300 * creation [in] how to create the file
1301 * attributes [in] attributes for newly created file
1302 * template [in] handle to file with extended attributes to copy
1303 *
1304 * RETURNS
1305 * Success: Open handle to specified file
1306 * Failure: INVALID_HANDLE_VALUE
1307 */
1308 HANDLE WINAPI CreateFileW( LPCWSTR filename, DWORD access, DWORD sharing,
1309 LPSECURITY_ATTRIBUTES sa, DWORD creation,
1310 DWORD attributes, HANDLE template )
1311 {
1312 NTSTATUS status;
1313 UINT options;
1314 OBJECT_ATTRIBUTES attr;
1315 UNICODE_STRING nameW;
1316 IO_STATUS_BLOCK io;
1317 HANDLE ret;
1318 DWORD dosdev;
1319 static const WCHAR bkslashes_with_dotW[] = {'\\','\\','.','\\',0};
1320 static const WCHAR coninW[] = {'C','O','N','I','N','$',0};
1321 static const WCHAR conoutW[] = {'C','O','N','O','U','T','$',0};
1322 SECURITY_QUALITY_OF_SERVICE qos;
1323
1324 static const UINT nt_disposition[5] =
1325 {
1326 FILE_CREATE, /* CREATE_NEW */
1327 FILE_OVERWRITE_IF, /* CREATE_ALWAYS */
1328 FILE_OPEN, /* OPEN_EXISTING */
1329 FILE_OPEN_IF, /* OPEN_ALWAYS */
1330 FILE_OVERWRITE /* TRUNCATE_EXISTING */
1331 };
1332
1333
1334 /* sanity checks */
1335
1336 if (!filename || !filename[0])
1337 {
1338 SetLastError( ERROR_PATH_NOT_FOUND );
1339 return INVALID_HANDLE_VALUE;
1340 }
1341
1342 TRACE("%s %s%s%s%s%s%s creation %d attributes 0x%x\n", debugstr_w(filename),
1343 (access & GENERIC_READ)?"GENERIC_READ ":"",
1344 (access & GENERIC_WRITE)?"GENERIC_WRITE ":"",
1345 (!access)?"QUERY_ACCESS ":"",
1346 (sharing & FILE_SHARE_READ)?"FILE_SHARE_READ ":"",
1347 (sharing & FILE_SHARE_WRITE)?"FILE_SHARE_WRITE ":"",
1348 (sharing & FILE_SHARE_DELETE)?"FILE_SHARE_DELETE ":"",
1349 creation, attributes);
1350
1351 /* Open a console for CONIN$ or CONOUT$ */
1352
1353 if (!strcmpiW(filename, coninW) || !strcmpiW(filename, conoutW))
1354 {
1355 ret = OpenConsoleW(filename, access, (sa && sa->bInheritHandle), creation);
1356 goto done;
1357 }
1358
1359 if (!strncmpW(filename, bkslashes_with_dotW, 4))
1360 {
1361 static const WCHAR pipeW[] = {'P','I','P','E','\\',0};
1362 static const WCHAR mailslotW[] = {'M','A','I','L','S','L','O','T','\\',0};
1363
1364 if ((isalphaW(filename[4]) && filename[5] == ':' && filename[6] == '\0') ||
1365 !strncmpiW( filename + 4, pipeW, 5 ) ||
1366 !strncmpiW( filename + 4, mailslotW, 9 ))
1367 {
1368 dosdev = 0;
1369 }
1370 else if ((dosdev = RtlIsDosDeviceName_U( filename + 4 )))
1371 {
1372 dosdev += MAKELONG( 0, 4*sizeof(WCHAR) ); /* adjust position to start of filename */
1373 }
1374 else if (!(GetVersion() & 0x80000000))
1375 {
1376 dosdev = 0;
1377 }
1378 else if (filename[4])
1379 {
1380 ret = VXD_Open( filename+4, access, sa );
1381 goto done;
1382 }
1383 else
1384 {
1385 SetLastError( ERROR_INVALID_NAME );
1386 return INVALID_HANDLE_VALUE;
1387 }
1388 }
1389 else dosdev = RtlIsDosDeviceName_U( filename );
1390
1391 if (dosdev)
1392 {
1393 static const WCHAR conW[] = {'C','O','N'};
1394
1395 if (LOWORD(dosdev) == sizeof(conW) &&
1396 !memicmpW( filename + HIWORD(dosdev)/sizeof(WCHAR), conW, sizeof(conW)/sizeof(WCHAR)))
1397 {
1398 switch (access & (GENERIC_READ|GENERIC_WRITE))
1399 {
1400 case GENERIC_READ:
1401 ret = OpenConsoleW(coninW, access, (sa && sa->bInheritHandle), creation);
1402 goto done;
1403 case GENERIC_WRITE:
1404 ret = OpenConsoleW(conoutW, access, (sa && sa->bInheritHandle), creation);
1405 goto done;
1406 default:
1407 SetLastError( ERROR_FILE_NOT_FOUND );
1408 return INVALID_HANDLE_VALUE;
1409 }
1410 }
1411 }
1412
1413 if (creation < CREATE_NEW || creation > TRUNCATE_EXISTING)
1414 {
1415 SetLastError( ERROR_INVALID_PARAMETER );
1416 return INVALID_HANDLE_VALUE;
1417 }
1418
1419 if (!RtlDosPathNameToNtPathName_U( filename, &nameW, NULL, NULL ))
1420 {
1421 SetLastError( ERROR_PATH_NOT_FOUND );
1422 return INVALID_HANDLE_VALUE;
1423 }
1424
1425 /* now call NtCreateFile */
1426
1427 options = 0;
1428 if (attributes & FILE_FLAG_BACKUP_SEMANTICS)
1429 options |= FILE_OPEN_FOR_BACKUP_INTENT;
1430 else
1431 options |= FILE_NON_DIRECTORY_FILE;
1432 if (attributes & FILE_FLAG_DELETE_ON_CLOSE)
1433 {
1434 options |= FILE_DELETE_ON_CLOSE;
1435 access |= DELETE;
1436 }
1437 if (attributes & FILE_FLAG_NO_BUFFERING)
1438 options |= FILE_NO_INTERMEDIATE_BUFFERING;
1439 if (!(attributes & FILE_FLAG_OVERLAPPED))
1440 options |= FILE_SYNCHRONOUS_IO_ALERT;
1441 if (attributes & FILE_FLAG_RANDOM_ACCESS)
1442 options |= FILE_RANDOM_ACCESS;
1443 attributes &= FILE_ATTRIBUTE_VALID_FLAGS;
1444
1445 attr.Length = sizeof(attr);
1446 attr.RootDirectory = 0;
1447 attr.Attributes = OBJ_CASE_INSENSITIVE;
1448 attr.ObjectName = &nameW;
1449 attr.SecurityDescriptor = sa ? sa->lpSecurityDescriptor : NULL;
1450 if (attributes & SECURITY_SQOS_PRESENT)
1451 {
1452 qos.Length = sizeof(qos);
1453 qos.ImpersonationLevel = (attributes >> 16) & 0x3;
1454 qos.ContextTrackingMode = attributes & SECURITY_CONTEXT_TRACKING ? SECURITY_DYNAMIC_TRACKING : SECURITY_STATIC_TRACKING;
1455 qos.EffectiveOnly = attributes & SECURITY_EFFECTIVE_ONLY ? TRUE : FALSE;
1456 attr.SecurityQualityOfService = &qos;
1457 }
1458 else
1459 attr.SecurityQualityOfService = NULL;
1460
1461 if (sa && sa->bInheritHandle) attr.Attributes |= OBJ_INHERIT;
1462
1463 status = NtCreateFile( &ret, access, &attr, &io, NULL, attributes,
1464 sharing, nt_disposition[creation - CREATE_NEW],
1465 options, NULL, 0 );
1466 if (status)
1467 {
1468 WARN("Unable to create file %s (status %x)\n", debugstr_w(filename), status);
1469 ret = INVALID_HANDLE_VALUE;
1470
1471 /* In the case file creation was rejected due to CREATE_NEW flag
1472 * was specified and file with that name already exists, correct
1473 * last error is ERROR_FILE_EXISTS and not ERROR_ALREADY_EXISTS.
1474 * Note: RtlNtStatusToDosError is not the subject to blame here.
1475 */
1476 if (status == STATUS_OBJECT_NAME_COLLISION)
1477 SetLastError( ERROR_FILE_EXISTS );
1478 else
1479 SetLastError( RtlNtStatusToDosError(status) );
1480 }
1481 else
1482 {
1483 if ((creation == CREATE_ALWAYS && io.Information == FILE_OVERWRITTEN) ||
1484 (creation == OPEN_ALWAYS && io.Information == FILE_OPENED))
1485 SetLastError( ERROR_ALREADY_EXISTS );
1486 else
1487 SetLastError( 0 );
1488 }
1489 RtlFreeUnicodeString( &nameW );
1490
1491 done:
1492 if (!ret) ret = INVALID_HANDLE_VALUE;
1493 TRACE("returning %p\n", ret);
1494 return ret;
1495 }
1496
1497
1498
1499 /*************************************************************************
1500 * CreateFileA (KERNEL32.@)
1501 *
1502 * See CreateFileW.
1503 */
1504 HANDLE WINAPI CreateFileA( LPCSTR filename, DWORD access, DWORD sharing,
1505 LPSECURITY_ATTRIBUTES sa, DWORD creation,
1506 DWORD attributes, HANDLE template)
1507 {
1508 WCHAR *nameW;
1509
1510 if (!(nameW = FILE_name_AtoW( filename, FALSE ))) return INVALID_HANDLE_VALUE;
1511 return CreateFileW( nameW, access, sharing, sa, creation, attributes, template );
1512 }
1513
1514
1515 /***********************************************************************
1516 * DeleteFileW (KERNEL32.@)
1517 *
1518 * Delete a file.
1519 *
1520 * PARAMS
1521 * path [I] Path to the file to delete.
1522 *
1523 * RETURNS
1524 * Success: TRUE.
1525 * Failure: FALSE, check GetLastError().
1526 */
1527 BOOL WINAPI DeleteFileW( LPCWSTR path )
1528 {
1529 UNICODE_STRING nameW;
1530 OBJECT_ATTRIBUTES attr;
1531 NTSTATUS status;
1532 HANDLE hFile;
1533 IO_STATUS_BLOCK io;
1534
1535 TRACE("%s\n", debugstr_w(path) );
1536
1537 if (!RtlDosPathNameToNtPathName_U( path, &nameW, NULL, NULL ))
1538 {
1539 SetLastError( ERROR_PATH_NOT_FOUND );
1540 return FALSE;
1541 }
1542
1543 attr.Length = sizeof(attr);
1544 attr.RootDirectory = 0;
1545 attr.Attributes = OBJ_CASE_INSENSITIVE;
1546 attr.ObjectName = &nameW;
1547 attr.SecurityDescriptor = NULL;
1548 attr.SecurityQualityOfService = NULL;
1549
1550 status = NtCreateFile(&hFile, GENERIC_READ | GENERIC_WRITE | DELETE,
1551 &attr, &io, NULL, 0,
1552 FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
1553 FILE_OPEN, FILE_DELETE_ON_CLOSE | FILE_NON_DIRECTORY_FILE, NULL, 0);
1554 if (status == STATUS_SUCCESS) status = NtClose(hFile);
1555
1556 RtlFreeUnicodeString( &nameW );
1557 if (status)
1558 {
1559 SetLastError( RtlNtStatusToDosError(status) );
1560 return FALSE;
1561 }
1562 return TRUE;
1563 }
1564
1565
1566 /***********************************************************************
1567 * DeleteFileA (KERNEL32.@)
1568 *
1569 * See DeleteFileW.
1570 */
1571 BOOL WINAPI DeleteFileA( LPCSTR path )
1572 {
1573 WCHAR *pathW;
1574
1575 if (!(pathW = FILE_name_AtoW( path, FALSE ))) return FALSE;
1576 return DeleteFileW( pathW );
1577 }
1578
1579
1580 /**************************************************************************
1581 * ReplaceFileW (KERNEL32.@)
1582 * ReplaceFile (KERNEL32.@)
1583 */
1584 BOOL WINAPI ReplaceFileW(LPCWSTR lpReplacedFileName, LPCWSTR lpReplacementFileName,
1585 LPCWSTR lpBackupFileName, DWORD dwReplaceFlags,
1586 LPVOID lpExclude, LPVOID lpReserved)
1587 {
1588 UNICODE_STRING nt_replaced_name, nt_replacement_name;
1589 ANSI_STRING unix_replaced_name, unix_replacement_name, unix_backup_name;
1590 HANDLE hReplaced = NULL, hReplacement = NULL, hBackup = NULL;
1591 DWORD error = ERROR_SUCCESS;
1592 UINT replaced_flags;
1593 BOOL ret = FALSE;
1594 NTSTATUS status;
1595 IO_STATUS_BLOCK io;
1596 OBJECT_ATTRIBUTES attr;
1597
1598 if (dwReplaceFlags)
1599 FIXME("Ignoring flags %x\n", dwReplaceFlags);
1600
1601 /* First two arguments are mandatory */
1602 if (!lpReplacedFileName || !lpReplacementFileName)
1603 {
1604 SetLastError(ERROR_INVALID_PARAMETER);
1605 return FALSE;
1606 }
1607
1608 unix_replaced_name.Buffer = NULL;
1609 unix_replacement_name.Buffer = NULL;
1610 unix_backup_name.Buffer = NULL;
1611
1612 attr.Length = sizeof(attr);
1613 attr.RootDirectory = 0;
1614 attr.Attributes = OBJ_CASE_INSENSITIVE;
1615 attr.ObjectName = NULL;
1616 attr.SecurityDescriptor = NULL;
1617 attr.SecurityQualityOfService = NULL;
1618
1619 /* Open the "replaced" file for reading and writing */
1620 if (!(RtlDosPathNameToNtPathName_U(lpReplacedFileName, &nt_replaced_name, NULL, NULL)))
1621 {
1622 error = ERROR_PATH_NOT_FOUND;
1623 goto fail;
1624 }
1625 replaced_flags = lpBackupFileName ? FILE_OPEN : FILE_OPEN_IF;
1626 attr.ObjectName = &nt_replaced_name;
1627 status = NtOpenFile(&hReplaced, GENERIC_READ|GENERIC_WRITE|DELETE|SYNCHRONIZE,
1628 &attr, &io,
1629 FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE,
1630 FILE_SYNCHRONOUS_IO_NONALERT|FILE_NON_DIRECTORY_FILE);
1631 if (status == STATUS_SUCCESS)
1632 status = wine_nt_to_unix_file_name(&nt_replaced_name, &unix_replaced_name, replaced_flags, FALSE);
1633 RtlFreeUnicodeString(&nt_replaced_name);
1634 if (status != STATUS_SUCCESS)
1635 {
1636 if (status == STATUS_OBJECT_NAME_NOT_FOUND)
1637 error = ERROR_FILE_NOT_FOUND;
1638 else
1639 error = ERROR_UNABLE_TO_REMOVE_REPLACED;
1640 goto fail;
1641 }
1642
1643 /*
1644 * Open the replacement file for reading, writing, and deleting
1645 * (writing and deleting are needed when finished)
1646 */
1647 if (!(RtlDosPathNameToNtPathName_U(lpReplacementFileName, &nt_replacement_name, NULL, NULL)))
1648 {
1649 error = ERROR_PATH_NOT_FOUND;
1650 goto fail;
1651 }
1652 attr.ObjectName = &nt_replacement_name;
1653 status = NtOpenFile(&hReplacement,
1654 GENERIC_READ|GENERIC_WRITE|DELETE|WRITE_DAC|SYNCHRONIZE,
1655 &attr, &io, 0,
1656 FILE_SYNCHRONOUS_IO_NONALERT|FILE_NON_DIRECTORY_FILE);
1657 if (status == STATUS_SUCCESS)
1658 status = wine_nt_to_unix_file_name(&nt_replacement_name, &unix_replacement_name, FILE_OPEN, FALSE);
1659 RtlFreeUnicodeString(&nt_replacement_name);
1660 if (status != STATUS_SUCCESS)
1661 {
1662 error = RtlNtStatusToDosError(status);
1663 goto fail;
1664 }
1665
1666 /* If the user wants a backup then that needs to be performed first */
1667 if (lpBackupFileName)
1668 {
1669 UNICODE_STRING nt_backup_name;
1670 FILE_BASIC_INFORMATION replaced_info;
1671
1672 /* Obtain the file attributes from the "replaced" file */
1673 status = NtQueryInformationFile(hReplaced, &io, &replaced_info,
1674 sizeof(replaced_info),
1675 FileBasicInformation);
1676 if (status != STATUS_SUCCESS)
1677 {
1678 error = RtlNtStatusToDosError(status);
1679 goto fail;
1680 }
1681
1682 if (!(RtlDosPathNameToNtPathName_U(lpBackupFileName, &nt_backup_name, NULL, NULL)))
1683 {
1684 error = ERROR_PATH_NOT_FOUND;
1685 goto fail;
1686 }
1687 attr.ObjectName = &nt_backup_name;
1688 /* Open the backup with permissions to write over it */
1689 status = NtCreateFile(&hBackup, GENERIC_WRITE,
1690 &attr, &io, NULL, replaced_info.FileAttributes,
1691 FILE_SHARE_WRITE, FILE_OPEN_IF,
1692 FILE_SYNCHRONOUS_IO_NONALERT|FILE_NON_DIRECTORY_FILE,
1693 NULL, 0);
1694 if (status == STATUS_SUCCESS)
1695 status = wine_nt_to_unix_file_name(&nt_backup_name, &unix_backup_name, FILE_OPEN_IF, FALSE);
1696 if (status != STATUS_SUCCESS)
1697 {
1698 error = RtlNtStatusToDosError(status);
1699 goto fail;
1700 }
1701
1702 /* If an existing backup exists then copy over it */
1703 if (rename(unix_replaced_name.Buffer, unix_backup_name.Buffer) == -1)
1704 {
1705 error = ERROR_UNABLE_TO_REMOVE_REPLACED; /* is this correct? */
1706 goto fail;
1707 }
1708 }
1709
1710 /*
1711 * Now that the backup has been performed (if requested), copy the replacement
1712 * into place
1713 */
1714 if (rename(unix_replacement_name.Buffer, unix_replaced_name.Buffer) == -1)
1715 {
1716 if (errno == EACCES)
1717 {
1718 /* Inappropriate permissions on "replaced", rename will fail */
1719 error = ERROR_UNABLE_TO_REMOVE_REPLACED;
1720 goto fail;
1721 }
1722 /* on failure we need to indicate whether a backup was made */
1723 if (!lpBackupFileName)
1724 error = ERROR_UNABLE_TO_MOVE_REPLACEMENT;
1725 else
1726 error = ERROR_UNABLE_TO_MOVE_REPLACEMENT_2;
1727 goto fail;
1728 }
1729 /* Success! */
1730 ret = TRUE;
1731
1732 /* Perform resource cleanup */
1733 fail:
1734 if (hBackup) CloseHandle(hBackup);
1735 if (hReplaced) CloseHandle(hReplaced);
1736 if (hReplacement) CloseHandle(hReplacement);
1737 RtlFreeAnsiString(&unix_backup_name);
1738 RtlFreeAnsiString(&unix_replacement_name);
1739 RtlFreeAnsiString(&unix_replaced_name);
1740
1741 /* If there was an error, set the error code */
1742 if(!ret)
1743 SetLastError(error);
1744 return ret;
1745 }
1746
1747
1748 /**************************************************************************
1749 * ReplaceFileA (KERNEL32.@)
1750 */
1751 BOOL WINAPI ReplaceFileA(LPCSTR lpReplacedFileName,LPCSTR lpReplacementFileName,
1752 LPCSTR lpBackupFileName, DWORD dwReplaceFlags,
1753 LPVOID lpExclude, LPVOID lpReserved)
1754 {
1755 WCHAR *replacedW, *replacementW, *backupW = NULL;
1756 BOOL ret;
1757
1758 /* This function only makes sense when the first two parameters are defined */
1759 if (!lpReplacedFileName || !(replacedW = FILE_name_AtoW( lpReplacedFileName, TRUE )))
1760 {
1761 SetLastError(ERROR_INVALID_PARAMETER);
1762 return FALSE;
1763 }
1764 if (!lpReplacementFileName || !(replacementW = FILE_name_AtoW( lpReplacementFileName, TRUE )))
1765 {
1766 HeapFree( GetProcessHeap(), 0, replacedW );
1767 SetLastError(ERROR_INVALID_PARAMETER);
1768 return FALSE;
1769 }
1770 /* The backup parameter, however, is optional */
1771 if (lpBackupFileName)
1772 {
1773 if (!(backupW = FILE_name_AtoW( lpBackupFileName, TRUE )))
1774 {
1775 HeapFree( GetProcessHeap(), 0, replacedW );
1776 HeapFree( GetProcessHeap(), 0, replacementW );
1777 SetLastError(ERROR_INVALID_PARAMETER);
1778 return FALSE;
1779 }
1780 }
1781 ret = ReplaceFileW( replacedW, replacementW, backupW, dwReplaceFlags, lpExclude, lpReserved );
1782 HeapFree( GetProcessHeap(), 0, replacedW );
1783 HeapFree( GetProcessHeap(), 0, replacementW );
1784 HeapFree( GetProcessHeap(), 0, backupW );
1785 return ret;
1786 }
1787
1788
1789 /*************************************************************************
1790 * FindFirstFileExW (KERNEL32.@)
1791 *
1792 * NOTE: The FindExSearchLimitToDirectories is ignored - it gives the same
1793 * results as FindExSearchNameMatch
1794 */
1795 HANDLE WINAPI FindFirstFileExW( LPCWSTR filename, FINDEX_INFO_LEVELS level,
1796 LPVOID data, FINDEX_SEARCH_OPS search_op,
1797 LPVOID filter, DWORD flags)
1798 {
1799 WCHAR *mask, *p;
1800 FIND_FIRST_INFO *info = NULL;
1801 UNICODE_STRING nt_name;
1802 OBJECT_ATTRIBUTES attr;
1803 IO_STATUS_BLOCK io;
1804 NTSTATUS status;
1805 DWORD device = 0;
1806
1807 TRACE("%s %d %p %d %p %x\n", debugstr_w(filename), level, data, search_op, filter, flags);
1808
1809 if ((search_op != FindExSearchNameMatch && search_op != FindExSearchLimitToDirectories)
1810 || flags != 0)
1811 {
1812 FIXME("options not implemented 0x%08x 0x%08x\n", search_op, flags );
1813 return INVALID_HANDLE_VALUE;
1814 }
1815 if (level != FindExInfoStandard)
1816 {
1817 FIXME("info level %d not implemented\n", level );
1818 return INVALID_HANDLE_VALUE;
1819 }
1820
1821 if (!RtlDosPathNameToNtPathName_U( filename, &nt_name, &mask, NULL ))
1822 {
1823 SetLastError( ERROR_PATH_NOT_FOUND );
1824 return INVALID_HANDLE_VALUE;
1825 }
1826
1827 if (!(info = HeapAlloc( GetProcessHeap(), 0, sizeof(*info))))
1828 {
1829 SetLastError( ERROR_NOT_ENOUGH_MEMORY );
1830 goto error;
1831 }
1832
1833 if (!mask && (device = RtlIsDosDeviceName_U( filename )))
1834 {
1835 static const WCHAR dotW[] = {'.',0};
1836 WCHAR *dir = NULL;
1837
1838 /* we still need to check that the directory can be opened */
1839
1840 if (HIWORD(device))
1841 {
1842 if (!(dir = HeapAlloc( GetProcessHeap(), 0, HIWORD(device) + sizeof(WCHAR) )))
1843 {
1844 SetLastError( ERROR_NOT_ENOUGH_MEMORY );
1845 goto error;
1846 }
1847 memcpy( dir, filename, HIWORD(device) );
1848 dir[HIWORD(device)/sizeof(WCHAR)] = 0;
1849 }
1850 RtlFreeUnicodeString( &nt_name );
1851 if (!RtlDosPathNameToNtPathName_U( dir ? dir : dotW, &nt_name, &mask, NULL ))
1852 {
1853 HeapFree( GetProcessHeap(), 0, dir );
1854 SetLastError( ERROR_PATH_NOT_FOUND );
1855 goto error;
1856 }
1857 HeapFree( GetProcessHeap(), 0, dir );
1858 RtlInitUnicodeString( &info->mask, NULL );
1859 }
1860 else if (!mask || !*mask)
1861 {
1862 SetLastError( ERROR_FILE_NOT_FOUND );
1863 goto error;
1864 }
1865 else
1866 {
1867 if (!RtlCreateUnicodeString( &info->mask, mask ))
1868 {
1869 SetLastError( ERROR_NOT_ENOUGH_MEMORY );
1870 goto error;
1871 }
1872
1873 /* truncate dir name before mask */
1874 *mask = 0;
1875 nt_name.Length = (mask - nt_name.Buffer) * sizeof(WCHAR);
1876 }
1877
1878 /* check if path is the root of the drive */
1879 info->is_root = FALSE;
1880 p = nt_name.Buffer + 4; /* skip \??\ prefix */
1881 if (p[0] && p[1] == ':')
1882 {
1883 p += 2;
1884 while (*p == '\\') p++;
1885 info->is_root = (*p == 0);
1886 }
1887
1888 attr.Length = sizeof(attr);
1889 attr.RootDirectory = 0;
1890 attr.Attributes = OBJ_CASE_INSENSITIVE;
1891 attr.ObjectName = &nt_name;
1892 attr.SecurityDescriptor = NULL;
1893 attr.SecurityQualityOfService = NULL;
1894
1895 status = NtOpenFile( &info->handle, GENERIC_READ, &attr, &io,
1896 FILE_SHARE_READ | FILE_SHARE_WRITE,
1897 FILE_DIRECTORY_FILE | FILE_SYNCHRONOUS_IO_NONALERT );
1898
1899 if (status != STATUS_SUCCESS)
1900 {
1901 RtlFreeUnicodeString( &info->mask );
1902 if (status == STATUS_OBJECT_NAME_NOT_FOUND)
1903 SetLastError( ERROR_PATH_NOT_FOUND );
1904 else
1905 SetLastError( RtlNtStatusToDosError(status) );
1906 goto error;
1907 }
1908
1909 RtlInitializeCriticalSection( &info->cs );
1910 info->cs.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": FIND_FIRST_INFO.cs");
1911 info->path = nt_name;
1912 info->magic = FIND_FIRST_MAGIC;
1913 info->data_pos = 0;
1914 info->data_len = 0;
1915 info->search_op = search_op;
1916
1917 if (device)
1918 {
1919 WIN32_FIND_DATAW *wfd = data;
1920
1921 memset( wfd, 0, sizeof(*wfd) );
1922 memcpy( wfd->cFileName, filename + HIWORD(device)/sizeof(WCHAR), LOWORD(device) );
1923 wfd->dwFileAttributes = FILE_ATTRIBUTE_ARCHIVE;
1924 CloseHandle( info->handle );
1925 info->handle = 0;
1926 }
1927 else
1928 {
1929 IO_STATUS_BLOCK io;
1930
1931 NtQueryDirectoryFile( info->handle, 0, NULL, NULL, &io, info->data, sizeof(info->data),
1932 FileBothDirectoryInformation, FALSE, &info->mask, TRUE );
1933 if (io.u.Status)
1934 {
1935 FindClose( info );
1936 SetLastError( RtlNtStatusToDosError( io.u.Status ) );
1937 return INVALID_HANDLE_VALUE;
1938 }
1939 info->data_len = io.Information;
1940 if (!FindNextFileW( info, data ))
1941 {
1942 TRACE( "%s not found\n", debugstr_w(filename) );
1943 FindClose( info );
1944 SetLastError( ERROR_FILE_NOT_FOUND );
1945 return INVALID_HANDLE_VALUE;
1946 }
1947 if (!strpbrkW( info->mask.Buffer, wildcardsW ))
1948 {
1949 /* we can't find two files with the same name */
1950 CloseHandle( info->handle );
1951 info->handle = 0;
1952 }
1953 }
1954 return info;
1955
1956 error:
1957 HeapFree( GetProcessHeap(), 0, info );
1958 RtlFreeUnicodeString( &nt_name );
1959 return INVALID_HANDLE_VALUE;
1960 }
1961
1962
1963 /*************************************************************************
1964 * FindNextFileW (KERNEL32.@)
1965 */
1966 BOOL WINAPI FindNextFileW( HANDLE handle, WIN32_FIND_DATAW *data )
1967 {
1968 FIND_FIRST_INFO *info;
1969 FILE_BOTH_DIR_INFORMATION *dir_info;
1970 BOOL ret = FALSE;
1971
1972 TRACE("%p %p\n", handle, data);
1973
1974 if (!handle || handle == INVALID_HANDLE_VALUE)
1975 {
1976 SetLastError( ERROR_INVALID_HANDLE );
1977 return ret;
1978 }
1979 info = (FIND_FIRST_INFO *)handle;
1980 if (info->magic != FIND_FIRST_MAGIC)
1981 {
1982 SetLastError( ERROR_INVALID_HANDLE );
1983 return ret;
1984 }
1985
1986 RtlEnterCriticalSection( &info->cs );
1987
1988 if (!info->handle) SetLastError( ERROR_NO_MORE_FILES );
1989 else for (;;)
1990 {
1991 if (info->data_pos >= info->data_len) /* need to read some more data */
1992 {
1993 IO_STATUS_BLOCK io;
1994
1995 NtQueryDirectoryFile( info->handle, 0, NULL, NULL, &io, info->data, sizeof(info->data),
1996 FileBothDirectoryInformation, FALSE, &info->mask, FALSE );
1997 if (io.u.Status)
1998 {
1999 SetLastError( RtlNtStatusToDosError( io.u.Status ) );
2000 if (io.u.Status == STATUS_NO_MORE_FILES)
2001 {
2002 CloseHandle( info->handle );
2003 info->handle = 0;
2004 }
2005 break;
2006 }
2007 info->data_len = io.Information;
2008 info->data_pos = 0;
2009 }
2010
2011 dir_info = (FILE_BOTH_DIR_INFORMATION *)(info->data + info->data_pos);
2012
2013 if (dir_info->NextEntryOffset) info->data_pos += dir_info->NextEntryOffset;
2014 else info->data_pos = info->data_len;
2015
2016 /* don't return '.' and '..' in the root of the drive */
2017 if (info->is_root)
2018 {
2019 if (dir_info->FileNameLength == sizeof(WCHAR) && dir_info->FileName[0] == '.') continue;
2020 if (dir_info->FileNameLength == 2 * sizeof(WCHAR) &&
2021 dir_info->FileName[0] == '.' && dir_info->FileName[1] == '.') continue;
2022 }
2023
2024 /* check for dir symlink */
2025 if ((dir_info->FileAttributes & FILE_ATTRIBUTE_DIRECTORY) &&
2026 (dir_info->FileAttributes & FILE_ATTRIBUTE_REPARSE_POINT) &&
2027 strpbrkW( info->mask.Buffer, wildcardsW ))
2028 {
2029 if (!check_dir_symlink( info, dir_info )) continue;
2030 }
2031
2032 data->dwFileAttributes = dir_info->FileAttributes;
2033 data->ftCreationTime = *(FILETIME *)&dir_info->CreationTime;
2034 data->ftLastAccessTime = *(FILETIME *)&dir_info->LastAccessTime;
2035 data->ftLastWriteTime = *(FILETIME *)&dir_info->LastWriteTime;
2036 data->nFileSizeHigh = dir_info->EndOfFile.QuadPart >> 32;
2037 data->nFileSizeLow = (DWORD)dir_info->EndOfFile.QuadPart;
2038 data->dwReserved0 = 0;
2039 data->dwReserved1 = 0;
2040
2041 memcpy( data->cFileName, dir_info->FileName, dir_info->FileNameLength );
2042 data->cFileName[dir_info->FileNameLength/sizeof(WCHAR)] = 0;
2043 memcpy( data->cAlternateFileName, dir_info->ShortName, dir_info->ShortNameLength );
2044 data->cAlternateFileName[dir_info->ShortNameLength/sizeof(WCHAR)] = 0;
2045
2046 TRACE("returning %s (%s)\n",
2047 debugstr_w(data->cFileName), debugstr_w(data->cAlternateFileName) );
2048
2049 ret = TRUE;
2050 break;
2051 }
2052
2053 RtlLeaveCriticalSection( &info->cs );
2054 return ret;
2055 }
2056
2057
2058 /*************************************************************************
2059 * FindClose (KERNEL32.@)
2060 */
2061 BOOL WINAPI FindClose( HANDLE handle )
2062 {
2063 FIND_FIRST_INFO *info = (FIND_FIRST_INFO *)handle;
2064
2065 if (!handle || handle == INVALID_HANDLE_VALUE)
2066 {
2067 SetLastError( ERROR_INVALID_HANDLE );
2068 return FALSE;
2069 }
2070
2071 __TRY
2072 {
2073 if (info->magic == FIND_FIRST_MAGIC)
2074 {
2075 RtlEnterCriticalSection( &info->cs );
2076 if (info->magic == FIND_FIRST_MAGIC) /* in case someone else freed it in the meantime */
2077 {
2078 info->magic = 0;
2079 if (info->handle) CloseHandle( info->handle );
2080 info->handle = 0;
2081 RtlFreeUnicodeString( &info->mask );
2082 info->mask.Buffer = NULL;
2083 RtlFreeUnicodeString( &info->path );
2084 info->data_pos = 0;
2085 info->data_len = 0;
2086 RtlLeaveCriticalSection( &info->cs );
2087 info->cs.DebugInfo->Spare[0] = 0;
2088 RtlDeleteCriticalSection( &info->cs );
2089 HeapFree( GetProcessHeap(), 0, info );
2090 }
2091 }
2092 }
2093 __EXCEPT_PAGE_FAULT
2094 {
2095 WARN("Illegal handle %p\n", handle);
2096 SetLastError( ERROR_INVALID_HANDLE );
2097 return FALSE;
2098 }
2099 __ENDTRY
2100
2101 return TRUE;
2102 }
2103
2104
2105 /*************************************************************************
2106 * FindFirstFileA (KERNEL32.@)
2107 */
2108 HANDLE WINAPI FindFirstFileA( LPCSTR lpFileName, WIN32_FIND_DATAA *lpFindData )
2109 {
2110 return FindFirstFileExA(lpFileName, FindExInfoStandard, lpFindData,
2111 FindExSearchNameMatch, NULL, 0);
2112 }
2113
2114 /*************************************************************************
2115 * FindFirstFileExA (KERNEL32.@)
2116 */
2117 HANDLE WINAPI FindFirstFileExA( LPCSTR lpFileName, FINDEX_INFO_LEVELS fInfoLevelId,
2118 LPVOID lpFindFileData, FINDEX_SEARCH_OPS fSearchOp,
2119 LPVOID lpSearchFilter, DWORD dwAdditionalFlags)
2120 {
2121 HANDLE handle;
2122 WIN32_FIND_DATAA *dataA;
2123 WIN32_FIND_DATAW dataW;
2124 WCHAR *nameW;
2125
2126 if (!(nameW = FILE_name_AtoW( lpFileName, FALSE ))) return INVALID_HANDLE_VALUE;
2127
2128 handle = FindFirstFileExW(nameW, fInfoLevelId, &dataW, fSearchOp, lpSearchFilter, dwAdditionalFlags);
2129 if (handle == INVALID_HANDLE_VALUE) return handle;
2130
2131 dataA = (WIN32_FIND_DATAA *) lpFindFileData;
2132 dataA->dwFileAttributes = dataW.dwFileAttributes;
2133 dataA->ftCreationTime = dataW.ftCreationTime;
2134 dataA->ftLastAccessTime = dataW.ftLastAccessTime;
2135 dataA->ftLastWriteTime = dataW.ftLastWriteTime;
2136 dataA->nFileSizeHigh = dataW.nFileSizeHigh;
2137 dataA->nFileSizeLow = dataW.nFileSizeLow;
2138 FILE_name_WtoA( dataW.cFileName, -1, dataA->cFileName, sizeof(dataA->cFileName) );
2139 FILE_name_WtoA( dataW.cAlternateFileName, -1, dataA->cAlternateFileName,
2140 sizeof(dataA->cAlternateFileName) );
2141 return handle;
2142 }
2143
2144
2145 /*************************************************************************
2146 * FindFirstFileW (KERNEL32.@)
2147 */
2148 HANDLE WINAPI FindFirstFileW( LPCWSTR lpFileName, WIN32_FIND_DATAW *lpFindData )
2149 {
2150 return FindFirstFileExW(lpFileName, FindExInfoStandard, lpFindData,
2151 FindExSearchNameMatch, NULL, 0);
2152 }
2153
2154
2155 /*************************************************************************
2156 * FindNextFileA (KERNEL32.@)
2157 */
2158 BOOL WINAPI FindNextFileA( HANDLE handle, WIN32_FIND_DATAA *data )
2159 {
2160 WIN32_FIND_DATAW dataW;
2161
2162 if (!FindNextFileW( handle, &dataW )) return FALSE;
2163 data->dwFileAttributes = dataW.dwFileAttributes;
2164 data->ftCreationTime = dataW.ftCreationTime;
2165 data->ftLastAccessTime = dataW.ftLastAccessTime;
2166 data->ftLastWriteTime = dataW.ftLastWriteTime;
2167 data->nFileSizeHigh = dataW.nFileSizeHigh;
2168 data->nFileSizeLow = dataW.nFileSizeLow;
2169 FILE_name_WtoA( dataW.cFileName, -1, data->cFileName, sizeof(data->cFileName) );
2170 FILE_name_WtoA( dataW.cAlternateFileName, -1, data->cAlternateFileName,
2171 sizeof(data->cAlternateFileName) );
2172 return TRUE;
2173 }
2174
2175
2176 /**************************************************************************
2177 * GetFileAttributesW (KERNEL32.@)
2178 */
2179 DWORD WINAPI GetFileAttributesW( LPCWSTR name )
2180 {
2181 FILE_BASIC_INFORMATION info;
2182 UNICODE_STRING nt_name;
2183 OBJECT_ATTRIBUTES attr;
2184 NTSTATUS status;
2185
2186 TRACE("%s\n", debugstr_w(name));
2187
2188 if (!RtlDosPathNameToNtPathName_U( name, &nt_name, NULL, NULL ))
2189 {
2190 SetLastError( ERROR_PATH_NOT_FOUND );
2191 return INVALID_FILE_ATTRIBUTES;
2192 }
2193
2194 attr.Length = sizeof(attr);
2195 attr.RootDirectory = 0;
2196 attr.Attributes = OBJ_CASE_INSENSITIVE;
2197 attr.ObjectName = &nt_name;
2198 attr.SecurityDescriptor = NULL;
2199 attr.SecurityQualityOfService = NULL;
2200
2201 status = NtQueryAttributesFile( &attr, &info );
2202 RtlFreeUnicodeString( &nt_name );
2203
2204 if (status == STATUS_SUCCESS) return info.FileAttributes;
2205
2206 /* NtQueryAttributesFile fails on devices, but GetFileAttributesW succeeds */
2207 if (RtlIsDosDeviceName_U( name )) return FILE_ATTRIBUTE_ARCHIVE;
2208
2209 SetLastError( RtlNtStatusToDosError(status) );
2210 return INVALID_FILE_ATTRIBUTES;
2211 }
2212
2213
2214 /**************************************************************************
2215 * GetFileAttributesA (KERNEL32.@)
2216 */
2217 DWORD WINAPI GetFileAttributesA( LPCSTR name )
2218 {
2219 WCHAR *nameW;
2220
2221 if (!(nameW = FILE_name_AtoW( name, FALSE ))) return INVALID_FILE_ATTRIBUTES;
2222 return GetFileAttributesW( nameW );
2223 }
2224
2225
2226 /**************************************************************************
2227 * SetFileAttributesW (KERNEL32.@)
2228 */
2229 BOOL WINAPI SetFileAttributesW( LPCWSTR name, DWORD attributes )
2230 {
2231 UNICODE_STRING nt_name;
2232 OBJECT_ATTRIBUTES attr;
2233 IO_STATUS_BLOCK io;
2234 NTSTATUS status;
2235 HANDLE handle;
2236
2237 TRACE("%s %x\n", debugstr_w(name), attributes);
2238
2239 if (!RtlDosPathNameToNtPathName_U( name, &nt_name, NULL, NULL ))
2240 {
2241 SetLastError( ERROR_PATH_NOT_FOUND );
2242 return FALSE;
2243 }
2244
2245 attr.Length = sizeof(attr);
2246 attr.RootDirectory = 0;
2247 attr.Attributes = OBJ_CASE_INSENSITIVE;
2248 attr.ObjectName = &nt_name;
2249 attr.SecurityDescriptor = NULL;
2250 attr.SecurityQualityOfService = NULL;
2251
2252 status = NtOpenFile( &handle, 0, &attr, &io, 0, FILE_SYNCHRONOUS_IO_NONALERT );
2253 RtlFreeUnicodeString( &nt_name );
2254
2255 if (status == STATUS_SUCCESS)
2256 {
2257 FILE_BASIC_INFORMATION info;
2258
2259 memset( &info, 0, sizeof(info) );
2260 info.FileAttributes = attributes | FILE_ATTRIBUTE_NORMAL; /* make sure it's not zero */
2261 status = NtSetInformationFile( handle, &io, &info, sizeof(info), FileBasicInformation );
2262 NtClose( handle );
2263 }
2264
2265 if (status == STATUS_SUCCESS) return TRUE;
2266 SetLastError( RtlNtStatusToDosError(status) );
2267 return FALSE;
2268 }
2269
2270
2271 /**************************************************************************
2272 * SetFileAttributesA (KERNEL32.@)
2273 */
2274 BOOL WINAPI SetFileAttributesA( LPCSTR name, DWORD attributes )
2275 {
2276 WCHAR *nameW;
2277
2278 if (!(nameW = FILE_name_AtoW( name, FALSE ))) return FALSE;
2279 return SetFileAttributesW( nameW, attributes );
2280 }
2281
2282
2283 /**************************************************************************
2284 * GetFileAttributesExW (KERNEL32.@)
2285 */
2286 BOOL WINAPI GetFileAttributesExW( LPCWSTR name, GET_FILEEX_INFO_LEVELS level, LPVOID ptr )
2287 {
2288 FILE_NETWORK_OPEN_INFORMATION info;
2289 WIN32_FILE_ATTRIBUTE_DATA *data = ptr;
2290 UNICODE_STRING nt_name;
2291 OBJECT_ATTRIBUTES attr;
2292 NTSTATUS status;
2293
2294 TRACE("%s %d %p\n", debugstr_w(name), level, ptr);
2295
2296 if (level != GetFileExInfoStandard)
2297 {
2298 SetLastError( ERROR_INVALID_PARAMETER );
2299 return FALSE;
2300 }
2301
2302 if (!RtlDosPathNameToNtPathName_U( name, &nt_name, NULL, NULL ))
2303 {
2304 SetLastError( ERROR_PATH_NOT_FOUND );
2305 return FALSE;
2306 }
2307
2308 attr.Length = sizeof(attr);
2309 attr.RootDirectory = 0;
2310 attr.Attributes = OBJ_CASE_INSENSITIVE;
2311 attr.ObjectName = &nt_name;
2312 attr.SecurityDescriptor = NULL;
2313 attr.SecurityQualityOfService = NULL;
2314
2315 status = NtQueryFullAttributesFile( &attr, &info );
2316 RtlFreeUnicodeString( &nt_name );
2317
2318 if (status != STATUS_SUCCESS)
2319 {
2320 SetLastError( RtlNtStatusToDosError(status) );
2321 return FALSE;
2322 }
2323
2324 data->dwFileAttributes = info.FileAttributes;
2325 data->ftCreationTime.dwLowDateTime = info.CreationTime.u.LowPart;
2326 data->ftCreationTime.dwHighDateTime = info.CreationTime.u.HighPart;
2327 data->ftLastAccessTime.dwLowDateTime = info.LastAccessTime.u.LowPart;
2328 data->ftLastAccessTime.dwHighDateTime = info.LastAccessTime.u.HighPart;
2329 data->ftLastWriteTime.dwLowDateTime = info.LastWriteTime.u.LowPart;
2330 data->ftLastWriteTime.dwHighDateTime = info.LastWriteTime.u.HighPart;
2331 data->nFileSizeLow = info.EndOfFile.u.LowPart;
2332 data->nFileSizeHigh = info.EndOfFile.u.HighPart;
2333 return TRUE;
2334 }
2335
2336
2337 /**************************************************************************
2338 * GetFileAttributesExA (KERNEL32.@)
2339 */
2340 BOOL WINAPI GetFileAttributesExA( LPCSTR name, GET_FILEEX_INFO_LEVELS level, LPVOID ptr )
2341 {
2342 WCHAR *nameW;
2343
2344 if (!(nameW = FILE_name_AtoW( name, FALSE ))) return FALSE;
2345 return GetFileAttributesExW( nameW, level, ptr );
2346 }
2347
2348
2349 /******************************************************************************
2350 * GetCompressedFileSizeW (KERNEL32.@)
2351 *
2352 * Get the actual number of bytes used on disk.
2353 *
2354 * RETURNS
2355 * Success: Low-order doubleword of number of bytes
2356 * Failure: INVALID_FILE_SIZE
2357 */
2358 DWORD WINAPI GetCompressedFileSizeW(
2359 LPCWSTR name, /* [in] Pointer to name of file */
2360 LPDWORD size_high ) /* [out] Receives high-order doubleword of size */
2361 {
2362 UNICODE_STRING nt_name;
2363 OBJECT_ATTRIBUTES attr;
2364 IO_STATUS_BLOCK io;
2365 NTSTATUS status;
2366 HANDLE handle;
2367 DWORD ret = INVALID_FILE_SIZE;
2368
2369 TRACE("%s %p\n", debugstr_w(name), size_high);
2370
2371 if (!RtlDosPathNameToNtPathName_U( name, &nt_name, NULL, NULL ))
2372 {
2373 SetLastError( ERROR_PATH_NOT_FOUND );
2374 return INVALID_FILE_SIZE;
2375 }
2376
2377 attr.Length = sizeof(attr);
2378 attr.RootDirectory = 0;
2379 attr.Attributes = OBJ_CASE_INSENSITIVE;
2380 attr.ObjectName = &nt_name;
2381 attr.SecurityDescriptor = NULL;
2382 attr.SecurityQualityOfService = NULL;
2383
2384 status = NtOpenFile( &handle, 0, &attr, &io, 0, FILE_SYNCHRONOUS_IO_NONALERT );
2385 RtlFreeUnicodeString( &nt_name );
2386
2387 if (status == STATUS_SUCCESS)
2388 {
2389 /* we don't support compressed files, simply return the file size */
2390 ret = GetFileSize( handle, size_high );
2391 NtClose( handle );
2392 }
2393 else SetLastError( RtlNtStatusToDosError(status) );
2394
2395 return ret;
2396 }
2397
2398
2399 /******************************************************************************
2400 * GetCompressedFileSizeA (KERNEL32.@)
2401 *
2402 * See GetCompressedFileSizeW.
2403 */
2404 DWORD WINAPI GetCompressedFileSizeA( LPCSTR name, LPDWORD size_high )
2405 {
2406 WCHAR *nameW;
2407
2408 if (!(nameW = FILE_name_AtoW( name, FALSE ))) return INVALID_FILE_SIZE;
2409 return GetCompressedFileSizeW( nameW, size_high );
2410 }
2411
2412
2413 /***********************************************************************
2414 * OpenFile (KERNEL32.@)
2415 */
2416 HFILE WINAPI OpenFile( LPCSTR name, OFSTRUCT *ofs, UINT mode )
2417 {
2418 HANDLE handle;
2419 FILETIME filetime;
2420 WORD filedatetime[2];
2421
2422 if (!ofs) return HFILE_ERROR;
2423
2424 TRACE("%s %s %s %s%s%s%s%s%s%s%s%s\n",name,
2425 ((mode & 0x3 )==OF_READ)?"OF_READ":
2426 ((mode & 0x3 )==OF_WRITE)?"OF_WRITE":
2427 ((mode & 0x3 )==OF_READWRITE)?"OF_READWRITE":"unknown",
2428 ((mode & 0x70 )==OF_SHARE_COMPAT)?"OF_SHARE_COMPAT":
2429 ((mode & 0x70 )==OF_SHARE_DENY_NONE)?"OF_SHARE_DENY_NONE":
2430 ((mode & 0x70 )==OF_SHARE_DENY_READ)?"OF_SHARE_DENY_READ":
2431 ((mode & 0x70 )==OF_SHARE_DENY_WRITE)?"OF_SHARE_DENY_WRITE":
2432 ((mode & 0x70 )==OF_SHARE_EXCLUSIVE)?"OF_SHARE_EXCLUSIVE":"unknown",
2433 ((mode & OF_PARSE )==OF_PARSE)?"OF_PARSE ":"",
2434 ((mode & OF_DELETE )==OF_DELETE)?"OF_DELETE ":"",
2435 ((mode & OF_VERIFY )==OF_VERIFY)?"OF_VERIFY ":"",
2436 ((mode & OF_SEARCH )==OF_SEARCH)?"OF_SEARCH ":"",
2437 ((mode & OF_CANCEL )==OF_CANCEL)?"OF_CANCEL ":"",
2438 ((mode & OF_CREATE )==OF_CREATE)?"OF_CREATE ":"",
2439 ((mode & OF_PROMPT )==OF_PROMPT)?"OF_PROMPT ":"",
2440 ((mode & OF_EXIST )==OF_EXIST)?"OF_EXIST ":"",
2441 ((mode & OF_REOPEN )==OF_REOPEN)?"OF_REOPEN ":""
2442 );
2443
2444
2445 ofs->cBytes = sizeof(OFSTRUCT);
2446 ofs->nErrCode = 0;
2447 if (mode & OF_REOPEN) name = ofs->szPathName;
2448
2449 if (!name) return HFILE_ERROR;
2450
2451 TRACE("%s %04x\n", name, mode );
2452
2453 /* the watcom 10.6 IDE relies on a valid path returned in ofs->szPathName
2454 Are there any cases where getting the path here is wrong?
2455 Uwe Bonnes 1997 Apr 2 */
2456 if (!GetFullPathNameA( name, sizeof(ofs->szPathName), ofs->szPathName, NULL )) goto error;
2457
2458 /* OF_PARSE simply fills the structure */
2459
2460 if (mode & OF_PARSE)
2461 {
2462 ofs->fFixedDisk = (GetDriveTypeA( ofs->szPathName ) != DRIVE_REMOVABLE);
2463 TRACE("(%s): OF_PARSE, res = '%s'\n", name, ofs->szPathName );
2464 return 0;
2465 }
2466
2467 /* OF_CREATE is completely different from all other options, so
2468 handle it first */
2469
2470 if (mode & OF_CREATE)
2471 {
2472 if ((handle = create_file_OF( name, mode )) == INVALID_HANDLE_VALUE)
2473 goto error;
2474 }
2475 else
2476 {
2477 /* Now look for the file */
2478
2479 if (!SearchPathA( NULL, name, NULL, sizeof(ofs->szPathName), ofs->szPathName, NULL ))
2480 goto error;
2481
2482 TRACE("found %s\n", debugstr_a(ofs->szPathName) );
2483
2484 if (mode & OF_DELETE)
2485 {
2486 if (!DeleteFileA( ofs->szPathName )) goto error;
2487 TRACE("(%s): OF_DELETE return = OK\n", name);
2488 return TRUE;
2489 }
2490
2491 handle = LongToHandle(_lopen( ofs->szPathName, mode ));
2492 if (handle == INVALID_HANDLE_VALUE) goto error;
2493
2494 GetFileTime( handle, NULL, NULL, &filetime );
2495 FileTimeToDosDateTime( &filetime, &filedatetime[0], &filedatetime[1] );
2496 if ((mode & OF_VERIFY) && (mode & OF_REOPEN))
2497 {
2498 if (ofs->Reserved1 != filedatetime[0] || ofs->Reserved2 != filedatetime[1] )
2499 {
2500 CloseHandle( handle );
2501 WARN("(%s): OF_VERIFY failed\n", name );
2502 /* FIXME: what error here? */
2503 SetLastError( ERROR_FILE_NOT_FOUND );
2504 goto error;
2505 }
2506 }
2507 ofs->Reserved1 = filedatetime[0];
2508 ofs->Reserved2 = filedatetime[1];
2509 }
2510 TRACE("(%s): OK, return = %p\n", name, handle );
2511 if (mode & OF_EXIST) /* Return TRUE instead of a handle */
2512 {
2513 CloseHandle( handle );
2514 return TRUE;
2515 }
2516 return HandleToLong(handle);
2517
2518 error: /* We get here if there was an error opening the file */
2519 ofs->nErrCode = GetLastError();
2520 WARN("(%s): return = HFILE_ERROR error= %d\n", name,ofs->nErrCode );
2521 return HFILE_ERROR;
2522 }
2523
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