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user32: Dont create 16 bits heap in 64-bits mode
[wine/wine64.git] / dlls / kernel32 / file.c
blob608a5396d8f932d76587a5eea92915f150b07aea
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 const WCHAR *vxd_name = NULL;
1320 static const WCHAR bkslashes_with_dotW[] = {'\\','\\','.','\\',0};
1321 static const WCHAR coninW[] = {'C','O','N','I','N','$',0};
1322 static const WCHAR conoutW[] = {'C','O','N','O','U','T','$',0};
1323 SECURITY_QUALITY_OF_SERVICE qos;
1324
1325 static const UINT nt_disposition[5] =
1326 {
1327 FILE_CREATE, /* CREATE_NEW */
1328 FILE_OVERWRITE_IF, /* CREATE_ALWAYS */
1329 FILE_OPEN, /* OPEN_EXISTING */
1330 FILE_OPEN_IF, /* OPEN_ALWAYS */
1331 FILE_OVERWRITE /* TRUNCATE_EXISTING */
1332 };
1333
1334
1335 /* sanity checks */
1336
1337 if (!filename || !filename[0])
1338 {
1339 SetLastError( ERROR_PATH_NOT_FOUND );
1340 return INVALID_HANDLE_VALUE;
1341 }
1342
1343 TRACE("%s %s%s%s%s%s%s creation %d attributes 0x%x\n", debugstr_w(filename),
1344 (access & GENERIC_READ)?"GENERIC_READ ":"",
1345 (access & GENERIC_WRITE)?"GENERIC_WRITE ":"",
1346 (!access)?"QUERY_ACCESS ":"",
1347 (sharing & FILE_SHARE_READ)?"FILE_SHARE_READ ":"",
1348 (sharing & FILE_SHARE_WRITE)?"FILE_SHARE_WRITE ":"",
1349 (sharing & FILE_SHARE_DELETE)?"FILE_SHARE_DELETE ":"",
1350 creation, attributes);
1351
1352 /* Open a console for CONIN$ or CONOUT$ */
1353
1354 if (!strcmpiW(filename, coninW) || !strcmpiW(filename, conoutW))
1355 {
1356 ret = OpenConsoleW(filename, access, (sa && sa->bInheritHandle), creation);
1357 goto done;
1358 }
1359
1360 if (!strncmpW(filename, bkslashes_with_dotW, 4))
1361 {
1362 static const WCHAR pipeW[] = {'P','I','P','E','\\',0};
1363 static const WCHAR mailslotW[] = {'M','A','I','L','S','L','O','T','\\',0};
1364
1365 if ((isalphaW(filename[4]) && filename[5] == ':' && filename[6] == '\0') ||
1366 !strncmpiW( filename + 4, pipeW, 5 ) ||
1367 !strncmpiW( filename + 4, mailslotW, 9 ))
1368 {
1369 dosdev = 0;
1370 }
1371 else if ((dosdev = RtlIsDosDeviceName_U( filename + 4 )))
1372 {
1373 dosdev += MAKELONG( 0, 4*sizeof(WCHAR) ); /* adjust position to start of filename */
1374 }
1375 else if (GetVersion() & 0x80000000)
1376 {
1377 vxd_name = filename + 4;
1378 }
1379 }
1380 else dosdev = RtlIsDosDeviceName_U( filename );
1381
1382 if (dosdev)
1383 {
1384 static const WCHAR conW[] = {'C','O','N'};
1385
1386 if (LOWORD(dosdev) == sizeof(conW) &&
1387 !memicmpW( filename + HIWORD(dosdev)/sizeof(WCHAR), conW, sizeof(conW)/sizeof(WCHAR)))
1388 {
1389 switch (access & (GENERIC_READ|GENERIC_WRITE))
1390 {
1391 case GENERIC_READ:
1392 ret = OpenConsoleW(coninW, access, (sa && sa->bInheritHandle), creation);
1393 goto done;
1394 case GENERIC_WRITE:
1395 ret = OpenConsoleW(conoutW, access, (sa && sa->bInheritHandle), creation);
1396 goto done;
1397 default:
1398 SetLastError( ERROR_FILE_NOT_FOUND );
1399 return INVALID_HANDLE_VALUE;
1400 }
1401 }
1402 }
1403
1404 if (creation < CREATE_NEW || creation > TRUNCATE_EXISTING)
1405 {
1406 SetLastError( ERROR_INVALID_PARAMETER );
1407 return INVALID_HANDLE_VALUE;
1408 }
1409
1410 if (!RtlDosPathNameToNtPathName_U( filename, &nameW, NULL, NULL ))
1411 {
1412 SetLastError( ERROR_PATH_NOT_FOUND );
1413 return INVALID_HANDLE_VALUE;
1414 }
1415
1416 /* now call NtCreateFile */
1417
1418 options = 0;
1419 if (attributes & FILE_FLAG_BACKUP_SEMANTICS)
1420 options |= FILE_OPEN_FOR_BACKUP_INTENT;
1421 else
1422 options |= FILE_NON_DIRECTORY_FILE;
1423 if (attributes & FILE_FLAG_DELETE_ON_CLOSE)
1424 {
1425 options |= FILE_DELETE_ON_CLOSE;
1426 access |= DELETE;
1427 }
1428 if (attributes & FILE_FLAG_NO_BUFFERING)
1429 options |= FILE_NO_INTERMEDIATE_BUFFERING;
1430 if (!(attributes & FILE_FLAG_OVERLAPPED))
1431 options |= FILE_SYNCHRONOUS_IO_ALERT;
1432 if (attributes & FILE_FLAG_RANDOM_ACCESS)
1433 options |= FILE_RANDOM_ACCESS;
1434 attributes &= FILE_ATTRIBUTE_VALID_FLAGS;
1435
1436 attr.Length = sizeof(attr);
1437 attr.RootDirectory = 0;
1438 attr.Attributes = OBJ_CASE_INSENSITIVE;
1439 attr.ObjectName = &nameW;
1440 attr.SecurityDescriptor = sa ? sa->lpSecurityDescriptor : NULL;
1441 if (attributes & SECURITY_SQOS_PRESENT)
1442 {
1443 qos.Length = sizeof(qos);
1444 qos.ImpersonationLevel = (attributes >> 16) & 0x3;
1445 qos.ContextTrackingMode = attributes & SECURITY_CONTEXT_TRACKING ? SECURITY_DYNAMIC_TRACKING : SECURITY_STATIC_TRACKING;
1446 qos.EffectiveOnly = attributes & SECURITY_EFFECTIVE_ONLY ? TRUE : FALSE;
1447 attr.SecurityQualityOfService = &qos;
1448 }
1449 else
1450 attr.SecurityQualityOfService = NULL;
1451
1452 if (sa && sa->bInheritHandle) attr.Attributes |= OBJ_INHERIT;
1453
1454 status = NtCreateFile( &ret, access, &attr, &io, NULL, attributes,
1455 sharing, nt_disposition[creation - CREATE_NEW],
1456 options, NULL, 0 );
1457 if (status)
1458 {
1459 if (vxd_name && vxd_name[0] && (ret = VXD_Open( vxd_name, access, sa ))) goto done;
1460
1461 WARN("Unable to create file %s (status %x)\n", debugstr_w(filename), status);
1462 ret = INVALID_HANDLE_VALUE;
1463
1464 /* In the case file creation was rejected due to CREATE_NEW flag
1465 * was specified and file with that name already exists, correct
1466 * last error is ERROR_FILE_EXISTS and not ERROR_ALREADY_EXISTS.
1467 * Note: RtlNtStatusToDosError is not the subject to blame here.
1468 */
1469 if (status == STATUS_OBJECT_NAME_COLLISION)
1470 SetLastError( ERROR_FILE_EXISTS );
1471 else
1472 SetLastError( RtlNtStatusToDosError(status) );
1473 }
1474 else
1475 {
1476 if ((creation == CREATE_ALWAYS && io.Information == FILE_OVERWRITTEN) ||
1477 (creation == OPEN_ALWAYS && io.Information == FILE_OPENED))
1478 SetLastError( ERROR_ALREADY_EXISTS );
1479 else
1480 SetLastError( 0 );
1481 }
1482 RtlFreeUnicodeString( &nameW );
1483
1484 done:
1485 if (!ret) ret = INVALID_HANDLE_VALUE;
1486 TRACE("returning %p\n", ret);
1487 return ret;
1488 }
1489
1490
1491
1492 /*************************************************************************
1493 * CreateFileA (KERNEL32.@)
1494 *
1495 * See CreateFileW.
1496 */
1497 HANDLE WINAPI CreateFileA( LPCSTR filename, DWORD access, DWORD sharing,
1498 LPSECURITY_ATTRIBUTES sa, DWORD creation,
1499 DWORD attributes, HANDLE template)
1500 {
1501 WCHAR *nameW;
1502
1503 if (!(nameW = FILE_name_AtoW( filename, FALSE ))) return INVALID_HANDLE_VALUE;
1504 return CreateFileW( nameW, access, sharing, sa, creation, attributes, template );
1505 }
1506
1507
1508 /***********************************************************************
1509 * DeleteFileW (KERNEL32.@)
1510 *
1511 * Delete a file.
1512 *
1513 * PARAMS
1514 * path [I] Path to the file to delete.
1515 *
1516 * RETURNS
1517 * Success: TRUE.
1518 * Failure: FALSE, check GetLastError().
1519 */
1520 BOOL WINAPI DeleteFileW( LPCWSTR path )
1521 {
1522 UNICODE_STRING nameW;
1523 OBJECT_ATTRIBUTES attr;
1524 NTSTATUS status;
1525 HANDLE hFile;
1526 IO_STATUS_BLOCK io;
1527
1528 TRACE("%s\n", debugstr_w(path) );
1529
1530 if (!RtlDosPathNameToNtPathName_U( path, &nameW, NULL, NULL ))
1531 {
1532 SetLastError( ERROR_PATH_NOT_FOUND );
1533 return FALSE;
1534 }
1535
1536 attr.Length = sizeof(attr);
1537 attr.RootDirectory = 0;
1538 attr.Attributes = OBJ_CASE_INSENSITIVE;
1539 attr.ObjectName = &nameW;
1540 attr.SecurityDescriptor = NULL;
1541 attr.SecurityQualityOfService = NULL;
1542
1543 status = NtCreateFile(&hFile, GENERIC_READ | GENERIC_WRITE | DELETE,
1544 &attr, &io, NULL, 0,
1545 FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
1546 FILE_OPEN, FILE_DELETE_ON_CLOSE | FILE_NON_DIRECTORY_FILE, NULL, 0);
1547 if (status == STATUS_SUCCESS) status = NtClose(hFile);
1548
1549 RtlFreeUnicodeString( &nameW );
1550 if (status)
1551 {
1552 SetLastError( RtlNtStatusToDosError(status) );
1553 return FALSE;
1554 }
1555 return TRUE;
1556 }
1557
1558
1559 /***********************************************************************
1560 * DeleteFileA (KERNEL32.@)
1561 *
1562 * See DeleteFileW.
1563 */
1564 BOOL WINAPI DeleteFileA( LPCSTR path )
1565 {
1566 WCHAR *pathW;
1567
1568 if (!(pathW = FILE_name_AtoW( path, FALSE ))) return FALSE;
1569 return DeleteFileW( pathW );
1570 }
1571
1572
1573 /**************************************************************************
1574 * ReplaceFileW (KERNEL32.@)
1575 * ReplaceFile (KERNEL32.@)
1576 */
1577 BOOL WINAPI ReplaceFileW(LPCWSTR lpReplacedFileName, LPCWSTR lpReplacementFileName,
1578 LPCWSTR lpBackupFileName, DWORD dwReplaceFlags,
1579 LPVOID lpExclude, LPVOID lpReserved)
1580 {
1581 UNICODE_STRING nt_replaced_name, nt_replacement_name;
1582 ANSI_STRING unix_replaced_name, unix_replacement_name, unix_backup_name;
1583 HANDLE hReplaced = NULL, hReplacement = NULL, hBackup = NULL;
1584 DWORD error = ERROR_SUCCESS;
1585 UINT replaced_flags;
1586 BOOL ret = FALSE;
1587 NTSTATUS status;
1588 IO_STATUS_BLOCK io;
1589 OBJECT_ATTRIBUTES attr;
1590
1591 if (dwReplaceFlags)
1592 FIXME("Ignoring flags %x\n", dwReplaceFlags);
1593
1594 /* First two arguments are mandatory */
1595 if (!lpReplacedFileName || !lpReplacementFileName)
1596 {
1597 SetLastError(ERROR_INVALID_PARAMETER);
1598 return FALSE;
1599 }
1600
1601 unix_replaced_name.Buffer = NULL;
1602 unix_replacement_name.Buffer = NULL;
1603 unix_backup_name.Buffer = NULL;
1604
1605 attr.Length = sizeof(attr);
1606 attr.RootDirectory = 0;
1607 attr.Attributes = OBJ_CASE_INSENSITIVE;
1608 attr.ObjectName = NULL;
1609 attr.SecurityDescriptor = NULL;
1610 attr.SecurityQualityOfService = NULL;
1611
1612 /* Open the "replaced" file for reading and writing */
1613 if (!(RtlDosPathNameToNtPathName_U(lpReplacedFileName, &nt_replaced_name, NULL, NULL)))
1614 {
1615 error = ERROR_PATH_NOT_FOUND;
1616 goto fail;
1617 }
1618 replaced_flags = lpBackupFileName ? FILE_OPEN : FILE_OPEN_IF;
1619 attr.ObjectName = &nt_replaced_name;
1620 status = NtOpenFile(&hReplaced, GENERIC_READ|GENERIC_WRITE|DELETE|SYNCHRONIZE,
1621 &attr, &io,
1622 FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE,
1623 FILE_SYNCHRONOUS_IO_NONALERT|FILE_NON_DIRECTORY_FILE);
1624 if (status == STATUS_SUCCESS)
1625 status = wine_nt_to_unix_file_name(&nt_replaced_name, &unix_replaced_name, replaced_flags, FALSE);
1626 RtlFreeUnicodeString(&nt_replaced_name);
1627 if (status != STATUS_SUCCESS)
1628 {
1629 if (status == STATUS_OBJECT_NAME_NOT_FOUND)
1630 error = ERROR_FILE_NOT_FOUND;
1631 else
1632 error = ERROR_UNABLE_TO_REMOVE_REPLACED;
1633 goto fail;
1634 }
1635
1636 /*
1637 * Open the replacement file for reading, writing, and deleting
1638 * (writing and deleting are needed when finished)
1639 */
1640 if (!(RtlDosPathNameToNtPathName_U(lpReplacementFileName, &nt_replacement_name, NULL, NULL)))
1641 {
1642 error = ERROR_PATH_NOT_FOUND;
1643 goto fail;
1644 }
1645 attr.ObjectName = &nt_replacement_name;
1646 status = NtOpenFile(&hReplacement,
1647 GENERIC_READ|GENERIC_WRITE|DELETE|WRITE_DAC|SYNCHRONIZE,
1648 &attr, &io, 0,
1649 FILE_SYNCHRONOUS_IO_NONALERT|FILE_NON_DIRECTORY_FILE);
1650 if (status == STATUS_SUCCESS)
1651 status = wine_nt_to_unix_file_name(&nt_replacement_name, &unix_replacement_name, FILE_OPEN, FALSE);
1652 RtlFreeUnicodeString(&nt_replacement_name);
1653 if (status != STATUS_SUCCESS)
1654 {
1655 error = RtlNtStatusToDosError(status);
1656 goto fail;
1657 }
1658
1659 /* If the user wants a backup then that needs to be performed first */
1660 if (lpBackupFileName)
1661 {
1662 UNICODE_STRING nt_backup_name;
1663 FILE_BASIC_INFORMATION replaced_info;
1664
1665 /* Obtain the file attributes from the "replaced" file */
1666 status = NtQueryInformationFile(hReplaced, &io, &replaced_info,
1667 sizeof(replaced_info),
1668 FileBasicInformation);
1669 if (status != STATUS_SUCCESS)
1670 {
1671 error = RtlNtStatusToDosError(status);
1672 goto fail;
1673 }
1674
1675 if (!(RtlDosPathNameToNtPathName_U(lpBackupFileName, &nt_backup_name, NULL, NULL)))
1676 {
1677 error = ERROR_PATH_NOT_FOUND;
1678 goto fail;
1679 }
1680 attr.ObjectName = &nt_backup_name;
1681 /* Open the backup with permissions to write over it */
1682 status = NtCreateFile(&hBackup, GENERIC_WRITE,
1683 &attr, &io, NULL, replaced_info.FileAttributes,
1684 FILE_SHARE_WRITE, FILE_OPEN_IF,
1685 FILE_SYNCHRONOUS_IO_NONALERT|FILE_NON_DIRECTORY_FILE,
1686 NULL, 0);
1687 if (status == STATUS_SUCCESS)
1688 status = wine_nt_to_unix_file_name(&nt_backup_name, &unix_backup_name, FILE_OPEN_IF, FALSE);
1689 if (status != STATUS_SUCCESS)
1690 {
1691 error = RtlNtStatusToDosError(status);
1692 goto fail;
1693 }
1694
1695 /* If an existing backup exists then copy over it */
1696 if (rename(unix_replaced_name.Buffer, unix_backup_name.Buffer) == -1)
1697 {
1698 error = ERROR_UNABLE_TO_REMOVE_REPLACED; /* is this correct? */
1699 goto fail;
1700 }
1701 }
1702
1703 /*
1704 * Now that the backup has been performed (if requested), copy the replacement
1705 * into place
1706 */
1707 if (rename(unix_replacement_name.Buffer, unix_replaced_name.Buffer) == -1)
1708 {
1709 if (errno == EACCES)
1710 {
1711 /* Inappropriate permissions on "replaced", rename will fail */
1712 error = ERROR_UNABLE_TO_REMOVE_REPLACED;
1713 goto fail;
1714 }
1715 /* on failure we need to indicate whether a backup was made */
1716 if (!lpBackupFileName)
1717 error = ERROR_UNABLE_TO_MOVE_REPLACEMENT;
1718 else
1719 error = ERROR_UNABLE_TO_MOVE_REPLACEMENT_2;
1720 goto fail;
1721 }
1722 /* Success! */
1723 ret = TRUE;
1724
1725 /* Perform resource cleanup */
1726 fail:
1727 if (hBackup) CloseHandle(hBackup);
1728 if (hReplaced) CloseHandle(hReplaced);
1729 if (hReplacement) CloseHandle(hReplacement);
1730 RtlFreeAnsiString(&unix_backup_name);
1731 RtlFreeAnsiString(&unix_replacement_name);
1732 RtlFreeAnsiString(&unix_replaced_name);
1733
1734 /* If there was an error, set the error code */
1735 if(!ret)
1736 SetLastError(error);
1737 return ret;
1738 }
1739
1740
1741 /**************************************************************************
1742 * ReplaceFileA (KERNEL32.@)
1743 */
1744 BOOL WINAPI ReplaceFileA(LPCSTR lpReplacedFileName,LPCSTR lpReplacementFileName,
1745 LPCSTR lpBackupFileName, DWORD dwReplaceFlags,
1746 LPVOID lpExclude, LPVOID lpReserved)
1747 {
1748 WCHAR *replacedW, *replacementW, *backupW = NULL;
1749 BOOL ret;
1750
1751 /* This function only makes sense when the first two parameters are defined */
1752 if (!lpReplacedFileName || !(replacedW = FILE_name_AtoW( lpReplacedFileName, TRUE )))
1753 {
1754 SetLastError(ERROR_INVALID_PARAMETER);
1755 return FALSE;
1756 }
1757 if (!lpReplacementFileName || !(replacementW = FILE_name_AtoW( lpReplacementFileName, TRUE )))
1758 {
1759 HeapFree( GetProcessHeap(), 0, replacedW );
1760 SetLastError(ERROR_INVALID_PARAMETER);
1761 return FALSE;
1762 }
1763 /* The backup parameter, however, is optional */
1764 if (lpBackupFileName)
1765 {
1766 if (!(backupW = FILE_name_AtoW( lpBackupFileName, TRUE )))
1767 {
1768 HeapFree( GetProcessHeap(), 0, replacedW );
1769 HeapFree( GetProcessHeap(), 0, replacementW );
1770 SetLastError(ERROR_INVALID_PARAMETER);
1771 return FALSE;
1772 }
1773 }
1774 ret = ReplaceFileW( replacedW, replacementW, backupW, dwReplaceFlags, lpExclude, lpReserved );
1775 HeapFree( GetProcessHeap(), 0, replacedW );
1776 HeapFree( GetProcessHeap(), 0, replacementW );
1777 HeapFree( GetProcessHeap(), 0, backupW );
1778 return ret;
1779 }
1780
1781
1782 /*************************************************************************
1783 * FindFirstFileExW (KERNEL32.@)
1784 *
1785 * NOTE: The FindExSearchLimitToDirectories is ignored - it gives the same
1786 * results as FindExSearchNameMatch
1787 */
1788 HANDLE WINAPI FindFirstFileExW( LPCWSTR filename, FINDEX_INFO_LEVELS level,
1789 LPVOID data, FINDEX_SEARCH_OPS search_op,
1790 LPVOID filter, DWORD flags)
1791 {
1792 WCHAR *mask, *p;
1793 FIND_FIRST_INFO *info = NULL;
1794 UNICODE_STRING nt_name;
1795 OBJECT_ATTRIBUTES attr;
1796 IO_STATUS_BLOCK io;
1797 NTSTATUS status;
1798 DWORD device = 0;
1799
1800 TRACE("%s %d %p %d %p %x\n", debugstr_w(filename), level, data, search_op, filter, flags);
1801
1802 if ((search_op != FindExSearchNameMatch && search_op != FindExSearchLimitToDirectories)
1803 || flags != 0)
1804 {
1805 FIXME("options not implemented 0x%08x 0x%08x\n", search_op, flags );
1806 return INVALID_HANDLE_VALUE;
1807 }
1808 if (level != FindExInfoStandard)
1809 {
1810 FIXME("info level %d not implemented\n", level );
1811 return INVALID_HANDLE_VALUE;
1812 }
1813
1814 if (!RtlDosPathNameToNtPathName_U( filename, &nt_name, &mask, NULL ))
1815 {
1816 SetLastError( ERROR_PATH_NOT_FOUND );
1817 return INVALID_HANDLE_VALUE;
1818 }
1819
1820 if (!(info = HeapAlloc( GetProcessHeap(), 0, sizeof(*info))))
1821 {
1822 SetLastError( ERROR_NOT_ENOUGH_MEMORY );
1823 goto error;
1824 }
1825
1826 if (!mask && (device = RtlIsDosDeviceName_U( filename )))
1827 {
1828 static const WCHAR dotW[] = {'.',0};
1829 WCHAR *dir = NULL;
1830
1831 /* we still need to check that the directory can be opened */
1832
1833 if (HIWORD(device))
1834 {
1835 if (!(dir = HeapAlloc( GetProcessHeap(), 0, HIWORD(device) + sizeof(WCHAR) )))
1836 {
1837 SetLastError( ERROR_NOT_ENOUGH_MEMORY );
1838 goto error;
1839 }
1840 memcpy( dir, filename, HIWORD(device) );
1841 dir[HIWORD(device)/sizeof(WCHAR)] = 0;
1842 }
1843 RtlFreeUnicodeString( &nt_name );
1844 if (!RtlDosPathNameToNtPathName_U( dir ? dir : dotW, &nt_name, &mask, NULL ))
1845 {
1846 HeapFree( GetProcessHeap(), 0, dir );
1847 SetLastError( ERROR_PATH_NOT_FOUND );
1848 goto error;
1849 }
1850 HeapFree( GetProcessHeap(), 0, dir );
1851 RtlInitUnicodeString( &info->mask, NULL );
1852 }
1853 else if (!mask || !*mask)
1854 {
1855 SetLastError( ERROR_FILE_NOT_FOUND );
1856 goto error;
1857 }
1858 else
1859 {
1860 if (!RtlCreateUnicodeString( &info->mask, mask ))
1861 {
1862 SetLastError( ERROR_NOT_ENOUGH_MEMORY );
1863 goto error;
1864 }
1865
1866 /* truncate dir name before mask */
1867 *mask = 0;
1868 nt_name.Length = (mask - nt_name.Buffer) * sizeof(WCHAR);
1869 }
1870
1871 /* check if path is the root of the drive */
1872 info->is_root = FALSE;
1873 p = nt_name.Buffer + 4; /* skip \??\ prefix */
1874 if (p[0] && p[1] == ':')
1875 {
1876 p += 2;
1877 while (*p == '\\') p++;
1878 info->is_root = (*p == 0);
1879 }
1880
1881 attr.Length = sizeof(attr);
1882 attr.RootDirectory = 0;
1883 attr.Attributes = OBJ_CASE_INSENSITIVE;
1884 attr.ObjectName = &nt_name;
1885 attr.SecurityDescriptor = NULL;
1886 attr.SecurityQualityOfService = NULL;
1887
1888 status = NtOpenFile( &info->handle, GENERIC_READ, &attr, &io,
1889 FILE_SHARE_READ | FILE_SHARE_WRITE,
1890 FILE_DIRECTORY_FILE | FILE_SYNCHRONOUS_IO_NONALERT );
1891
1892 if (status != STATUS_SUCCESS)
1893 {
1894 RtlFreeUnicodeString( &info->mask );
1895 if (status == STATUS_OBJECT_NAME_NOT_FOUND)
1896 SetLastError( ERROR_PATH_NOT_FOUND );
1897 else
1898 SetLastError( RtlNtStatusToDosError(status) );
1899 goto error;
1900 }
1901
1902 RtlInitializeCriticalSection( &info->cs );
1903 info->cs.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": FIND_FIRST_INFO.cs");
1904 info->path = nt_name;
1905 info->magic = FIND_FIRST_MAGIC;
1906 info->data_pos = 0;
1907 info->data_len = 0;
1908 info->search_op = search_op;
1909
1910 if (device)
1911 {
1912 WIN32_FIND_DATAW *wfd = data;
1913
1914 memset( wfd, 0, sizeof(*wfd) );
1915 memcpy( wfd->cFileName, filename + HIWORD(device)/sizeof(WCHAR), LOWORD(device) );
1916 wfd->dwFileAttributes = FILE_ATTRIBUTE_ARCHIVE;
1917 CloseHandle( info->handle );
1918 info->handle = 0;
1919 }
1920 else
1921 {
1922 IO_STATUS_BLOCK io;
1923
1924 NtQueryDirectoryFile( info->handle, 0, NULL, NULL, &io, info->data, sizeof(info->data),
1925 FileBothDirectoryInformation, FALSE, &info->mask, TRUE );
1926 if (io.u.Status)
1927 {
1928 FindClose( info );
1929 SetLastError( RtlNtStatusToDosError( io.u.Status ) );
1930 return INVALID_HANDLE_VALUE;
1931 }
1932 info->data_len = io.Information;
1933 if (!FindNextFileW( info, data ))
1934 {
1935 TRACE( "%s not found\n", debugstr_w(filename) );
1936 FindClose( info );
1937 SetLastError( ERROR_FILE_NOT_FOUND );
1938 return INVALID_HANDLE_VALUE;
1939 }
1940 if (!strpbrkW( info->mask.Buffer, wildcardsW ))
1941 {
1942 /* we can't find two files with the same name */
1943 CloseHandle( info->handle );
1944 info->handle = 0;
1945 }
1946 }
1947 return info;
1948
1949 error:
1950 HeapFree( GetProcessHeap(), 0, info );
1951 RtlFreeUnicodeString( &nt_name );
1952 return INVALID_HANDLE_VALUE;
1953 }
1954
1955
1956 /*************************************************************************
1957 * FindNextFileW (KERNEL32.@)
1958 */
1959 BOOL WINAPI FindNextFileW( HANDLE handle, WIN32_FIND_DATAW *data )
1960 {
1961 FIND_FIRST_INFO *info;
1962 FILE_BOTH_DIR_INFORMATION *dir_info;
1963 BOOL ret = FALSE;
1964
1965 TRACE("%p %p\n", handle, data);
1966
1967 if (!handle || handle == INVALID_HANDLE_VALUE)
1968 {
1969 SetLastError( ERROR_INVALID_HANDLE );
1970 return ret;
1971 }
1972 info = (FIND_FIRST_INFO *)handle;
1973 if (info->magic != FIND_FIRST_MAGIC)
1974 {
1975 SetLastError( ERROR_INVALID_HANDLE );
1976 return ret;
1977 }
1978
1979 RtlEnterCriticalSection( &info->cs );
1980
1981 if (!info->handle) SetLastError( ERROR_NO_MORE_FILES );
1982 else for (;;)
1983 {
1984 if (info->data_pos >= info->data_len) /* need to read some more data */
1985 {
1986 IO_STATUS_BLOCK io;
1987
1988 NtQueryDirectoryFile( info->handle, 0, NULL, NULL, &io, info->data, sizeof(info->data),
1989 FileBothDirectoryInformation, FALSE, &info->mask, FALSE );
1990 if (io.u.Status)
1991 {
1992 SetLastError( RtlNtStatusToDosError( io.u.Status ) );
1993 if (io.u.Status == STATUS_NO_MORE_FILES)
1994 {
1995 CloseHandle( info->handle );
1996 info->handle = 0;
1997 }
1998 break;
1999 }
2000 info->data_len = io.Information;
2001 info->data_pos = 0;
2002 }
2003
2004 dir_info = (FILE_BOTH_DIR_INFORMATION *)(info->data + info->data_pos);
2005
2006 if (dir_info->NextEntryOffset) info->data_pos += dir_info->NextEntryOffset;
2007 else info->data_pos = info->data_len;
2008
2009 /* don't return '.' and '..' in the root of the drive */
2010 if (info->is_root)
2011 {
2012 if (dir_info->FileNameLength == sizeof(WCHAR) && dir_info->FileName[0] == '.') continue;
2013 if (dir_info->FileNameLength == 2 * sizeof(WCHAR) &&
2014 dir_info->FileName[0] == '.' && dir_info->FileName[1] == '.') continue;
2015 }
2016
2017 /* check for dir symlink */
2018 if ((dir_info->FileAttributes & FILE_ATTRIBUTE_DIRECTORY) &&
2019 (dir_info->FileAttributes & FILE_ATTRIBUTE_REPARSE_POINT) &&
2020 strpbrkW( info->mask.Buffer, wildcardsW ))
2021 {
2022 if (!check_dir_symlink( info, dir_info )) continue;
2023 }
2024
2025 data->dwFileAttributes = dir_info->FileAttributes;
2026 data->ftCreationTime = *(FILETIME *)&dir_info->CreationTime;
2027 data->ftLastAccessTime = *(FILETIME *)&dir_info->LastAccessTime;
2028 data->ftLastWriteTime = *(FILETIME *)&dir_info->LastWriteTime;
2029 data->nFileSizeHigh = dir_info->EndOfFile.QuadPart >> 32;
2030 data->nFileSizeLow = (DWORD)dir_info->EndOfFile.QuadPart;
2031 data->dwReserved0 = 0;
2032 data->dwReserved1 = 0;
2033
2034 memcpy( data->cFileName, dir_info->FileName, dir_info->FileNameLength );
2035 data->cFileName[dir_info->FileNameLength/sizeof(WCHAR)] = 0;
2036 memcpy( data->cAlternateFileName, dir_info->ShortName, dir_info->ShortNameLength );
2037 data->cAlternateFileName[dir_info->ShortNameLength/sizeof(WCHAR)] = 0;
2038
2039 TRACE("returning %s (%s)\n",
2040 debugstr_w(data->cFileName), debugstr_w(data->cAlternateFileName) );
2041
2042 ret = TRUE;
2043 break;
2044 }
2045
2046 RtlLeaveCriticalSection( &info->cs );
2047 return ret;
2048 }
2049
2050
2051 /*************************************************************************
2052 * FindClose (KERNEL32.@)
2053 */
2054 BOOL WINAPI FindClose( HANDLE handle )
2055 {
2056 FIND_FIRST_INFO *info = (FIND_FIRST_INFO *)handle;
2057
2058 if (!handle || handle == INVALID_HANDLE_VALUE)
2059 {
2060 SetLastError( ERROR_INVALID_HANDLE );
2061 return FALSE;
2062 }
2063
2064 __TRY
2065 {
2066 if (info->magic == FIND_FIRST_MAGIC)
2067 {
2068 RtlEnterCriticalSection( &info->cs );
2069 if (info->magic == FIND_FIRST_MAGIC) /* in case someone else freed it in the meantime */
2070 {
2071 info->magic = 0;
2072 if (info->handle) CloseHandle( info->handle );
2073 info->handle = 0;
2074 RtlFreeUnicodeString( &info->mask );
2075 info->mask.Buffer = NULL;
2076 RtlFreeUnicodeString( &info->path );
2077 info->data_pos = 0;
2078 info->data_len = 0;
2079 RtlLeaveCriticalSection( &info->cs );
2080 info->cs.DebugInfo->Spare[0] = 0;
2081 RtlDeleteCriticalSection( &info->cs );
2082 HeapFree( GetProcessHeap(), 0, info );
2083 }
2084 }
2085 }
2086 __EXCEPT_PAGE_FAULT
2087 {
2088 WARN("Illegal handle %p\n", handle);
2089 SetLastError( ERROR_INVALID_HANDLE );
2090 return FALSE;
2091 }
2092 __ENDTRY
2093
2094 return TRUE;
2095 }
2096
2097
2098 /*************************************************************************
2099 * FindFirstFileA (KERNEL32.@)
2100 */
2101 HANDLE WINAPI FindFirstFileA( LPCSTR lpFileName, WIN32_FIND_DATAA *lpFindData )
2102 {
2103 return FindFirstFileExA(lpFileName, FindExInfoStandard, lpFindData,
2104 FindExSearchNameMatch, NULL, 0);
2105 }
2106
2107 /*************************************************************************
2108 * FindFirstFileExA (KERNEL32.@)
2109 */
2110 HANDLE WINAPI FindFirstFileExA( LPCSTR lpFileName, FINDEX_INFO_LEVELS fInfoLevelId,
2111 LPVOID lpFindFileData, FINDEX_SEARCH_OPS fSearchOp,
2112 LPVOID lpSearchFilter, DWORD dwAdditionalFlags)
2113 {
2114 HANDLE handle;
2115 WIN32_FIND_DATAA *dataA;
2116 WIN32_FIND_DATAW dataW;
2117 WCHAR *nameW;
2118
2119 if (!(nameW = FILE_name_AtoW( lpFileName, FALSE ))) return INVALID_HANDLE_VALUE;
2120
2121 handle = FindFirstFileExW(nameW, fInfoLevelId, &dataW, fSearchOp, lpSearchFilter, dwAdditionalFlags);
2122 if (handle == INVALID_HANDLE_VALUE) return handle;
2123
2124 dataA = (WIN32_FIND_DATAA *) lpFindFileData;
2125 dataA->dwFileAttributes = dataW.dwFileAttributes;
2126 dataA->ftCreationTime = dataW.ftCreationTime;
2127 dataA->ftLastAccessTime = dataW.ftLastAccessTime;
2128 dataA->ftLastWriteTime = dataW.ftLastWriteTime;
2129 dataA->nFileSizeHigh = dataW.nFileSizeHigh;
2130 dataA->nFileSizeLow = dataW.nFileSizeLow;
2131 FILE_name_WtoA( dataW.cFileName, -1, dataA->cFileName, sizeof(dataA->cFileName) );
2132 FILE_name_WtoA( dataW.cAlternateFileName, -1, dataA->cAlternateFileName,
2133 sizeof(dataA->cAlternateFileName) );
2134 return handle;
2135 }
2136
2137
2138 /*************************************************************************
2139 * FindFirstFileW (KERNEL32.@)
2140 */
2141 HANDLE WINAPI FindFirstFileW( LPCWSTR lpFileName, WIN32_FIND_DATAW *lpFindData )
2142 {
2143 return FindFirstFileExW(lpFileName, FindExInfoStandard, lpFindData,
2144 FindExSearchNameMatch, NULL, 0);
2145 }
2146
2147
2148 /*************************************************************************
2149 * FindNextFileA (KERNEL32.@)
2150 */
2151 BOOL WINAPI FindNextFileA( HANDLE handle, WIN32_FIND_DATAA *data )
2152 {
2153 WIN32_FIND_DATAW dataW;
2154
2155 if (!FindNextFileW( handle, &dataW )) return FALSE;
2156 data->dwFileAttributes = dataW.dwFileAttributes;
2157 data->ftCreationTime = dataW.ftCreationTime;
2158 data->ftLastAccessTime = dataW.ftLastAccessTime;
2159 data->ftLastWriteTime = dataW.ftLastWriteTime;
2160 data->nFileSizeHigh = dataW.nFileSizeHigh;
2161 data->nFileSizeLow = dataW.nFileSizeLow;
2162 FILE_name_WtoA( dataW.cFileName, -1, data->cFileName, sizeof(data->cFileName) );
2163 FILE_name_WtoA( dataW.cAlternateFileName, -1, data->cAlternateFileName,
2164 sizeof(data->cAlternateFileName) );
2165 return TRUE;
2166 }
2167
2168
2169 /**************************************************************************
2170 * GetFileAttributesW (KERNEL32.@)
2171 */
2172 DWORD WINAPI GetFileAttributesW( LPCWSTR name )
2173 {
2174 FILE_BASIC_INFORMATION info;
2175 UNICODE_STRING nt_name;
2176 OBJECT_ATTRIBUTES attr;
2177 NTSTATUS status;
2178
2179 TRACE("%s\n", debugstr_w(name));
2180
2181 if (!RtlDosPathNameToNtPathName_U( name, &nt_name, NULL, NULL ))
2182 {
2183 SetLastError( ERROR_PATH_NOT_FOUND );
2184 return INVALID_FILE_ATTRIBUTES;
2185 }
2186
2187 attr.Length = sizeof(attr);
2188 attr.RootDirectory = 0;
2189 attr.Attributes = OBJ_CASE_INSENSITIVE;
2190 attr.ObjectName = &nt_name;
2191 attr.SecurityDescriptor = NULL;
2192 attr.SecurityQualityOfService = NULL;
2193
2194 status = NtQueryAttributesFile( &attr, &info );
2195 RtlFreeUnicodeString( &nt_name );
2196
2197 if (status == STATUS_SUCCESS) return info.FileAttributes;
2198
2199 /* NtQueryAttributesFile fails on devices, but GetFileAttributesW succeeds */
2200 if (RtlIsDosDeviceName_U( name )) return FILE_ATTRIBUTE_ARCHIVE;
2201
2202 SetLastError( RtlNtStatusToDosError(status) );
2203 return INVALID_FILE_ATTRIBUTES;
2204 }
2205
2206
2207 /**************************************************************************
2208 * GetFileAttributesA (KERNEL32.@)
2209 */
2210 DWORD WINAPI GetFileAttributesA( LPCSTR name )
2211 {
2212 WCHAR *nameW;
2213
2214 if (!(nameW = FILE_name_AtoW( name, FALSE ))) return INVALID_FILE_ATTRIBUTES;
2215 return GetFileAttributesW( nameW );
2216 }
2217
2218
2219 /**************************************************************************
2220 * SetFileAttributesW (KERNEL32.@)
2221 */
2222 BOOL WINAPI SetFileAttributesW( LPCWSTR name, DWORD attributes )
2223 {
2224 UNICODE_STRING nt_name;
2225 OBJECT_ATTRIBUTES attr;
2226 IO_STATUS_BLOCK io;
2227 NTSTATUS status;
2228 HANDLE handle;
2229
2230 TRACE("%s %x\n", debugstr_w(name), attributes);
2231
2232 if (!RtlDosPathNameToNtPathName_U( name, &nt_name, NULL, NULL ))
2233 {
2234 SetLastError( ERROR_PATH_NOT_FOUND );
2235 return FALSE;
2236 }
2237
2238 attr.Length = sizeof(attr);
2239 attr.RootDirectory = 0;
2240 attr.Attributes = OBJ_CASE_INSENSITIVE;
2241 attr.ObjectName = &nt_name;
2242 attr.SecurityDescriptor = NULL;
2243 attr.SecurityQualityOfService = NULL;
2244
2245 status = NtOpenFile( &handle, 0, &attr, &io, 0, FILE_SYNCHRONOUS_IO_NONALERT );
2246 RtlFreeUnicodeString( &nt_name );
2247
2248 if (status == STATUS_SUCCESS)
2249 {
2250 FILE_BASIC_INFORMATION info;
2251
2252 memset( &info, 0, sizeof(info) );
2253 info.FileAttributes = attributes | FILE_ATTRIBUTE_NORMAL; /* make sure it's not zero */
2254 status = NtSetInformationFile( handle, &io, &info, sizeof(info), FileBasicInformation );
2255 NtClose( handle );
2256 }
2257
2258 if (status == STATUS_SUCCESS) return TRUE;
2259 SetLastError( RtlNtStatusToDosError(status) );
2260 return FALSE;
2261 }
2262
2263
2264 /**************************************************************************
2265 * SetFileAttributesA (KERNEL32.@)
2266 */
2267 BOOL WINAPI SetFileAttributesA( LPCSTR name, DWORD attributes )
2268 {
2269 WCHAR *nameW;
2270
2271 if (!(nameW = FILE_name_AtoW( name, FALSE ))) return FALSE;
2272 return SetFileAttributesW( nameW, attributes );
2273 }
2274
2275
2276 /**************************************************************************
2277 * GetFileAttributesExW (KERNEL32.@)
2278 */
2279 BOOL WINAPI GetFileAttributesExW( LPCWSTR name, GET_FILEEX_INFO_LEVELS level, LPVOID ptr )
2280 {
2281 FILE_NETWORK_OPEN_INFORMATION info;
2282 WIN32_FILE_ATTRIBUTE_DATA *data = ptr;
2283 UNICODE_STRING nt_name;
2284 OBJECT_ATTRIBUTES attr;
2285 NTSTATUS status;
2286
2287 TRACE("%s %d %p\n", debugstr_w(name), level, ptr);
2288
2289 if (level != GetFileExInfoStandard)
2290 {
2291 SetLastError( ERROR_INVALID_PARAMETER );
2292 return FALSE;
2293 }
2294
2295 if (!RtlDosPathNameToNtPathName_U( name, &nt_name, NULL, NULL ))
2296 {
2297 SetLastError( ERROR_PATH_NOT_FOUND );
2298 return FALSE;
2299 }
2300
2301 attr.Length = sizeof(attr);
2302 attr.RootDirectory = 0;
2303 attr.Attributes = OBJ_CASE_INSENSITIVE;
2304 attr.ObjectName = &nt_name;
2305 attr.SecurityDescriptor = NULL;
2306 attr.SecurityQualityOfService = NULL;
2307
2308 status = NtQueryFullAttributesFile( &attr, &info );
2309 RtlFreeUnicodeString( &nt_name );
2310
2311 if (status != STATUS_SUCCESS)
2312 {
2313 SetLastError( RtlNtStatusToDosError(status) );
2314 return FALSE;
2315 }
2316
2317 data->dwFileAttributes = info.FileAttributes;
2318 data->ftCreationTime.dwLowDateTime = info.CreationTime.u.LowPart;
2319 data->ftCreationTime.dwHighDateTime = info.CreationTime.u.HighPart;
2320 data->ftLastAccessTime.dwLowDateTime = info.LastAccessTime.u.LowPart;
2321 data->ftLastAccessTime.dwHighDateTime = info.LastAccessTime.u.HighPart;
2322 data->ftLastWriteTime.dwLowDateTime = info.LastWriteTime.u.LowPart;
2323 data->ftLastWriteTime.dwHighDateTime = info.LastWriteTime.u.HighPart;
2324 data->nFileSizeLow = info.EndOfFile.u.LowPart;
2325 data->nFileSizeHigh = info.EndOfFile.u.HighPart;
2326 return TRUE;
2327 }
2328
2329
2330 /**************************************************************************
2331 * GetFileAttributesExA (KERNEL32.@)
2332 */
2333 BOOL WINAPI GetFileAttributesExA( LPCSTR name, GET_FILEEX_INFO_LEVELS level, LPVOID ptr )
2334 {
2335 WCHAR *nameW;
2336
2337 if (!(nameW = FILE_name_AtoW( name, FALSE ))) return FALSE;
2338 return GetFileAttributesExW( nameW, level, ptr );
2339 }
2340
2341
2342 /******************************************************************************
2343 * GetCompressedFileSizeW (KERNEL32.@)
2344 *
2345 * Get the actual number of bytes used on disk.
2346 *
2347 * RETURNS
2348 * Success: Low-order doubleword of number of bytes
2349 * Failure: INVALID_FILE_SIZE
2350 */
2351 DWORD WINAPI GetCompressedFileSizeW(
2352 LPCWSTR name, /* [in] Pointer to name of file */
2353 LPDWORD size_high ) /* [out] Receives high-order doubleword of size */
2354 {
2355 UNICODE_STRING nt_name;
2356 OBJECT_ATTRIBUTES attr;
2357 IO_STATUS_BLOCK io;
2358 NTSTATUS status;
2359 HANDLE handle;
2360 DWORD ret = INVALID_FILE_SIZE;
2361
2362 TRACE("%s %p\n", debugstr_w(name), size_high);
2363
2364 if (!RtlDosPathNameToNtPathName_U( name, &nt_name, NULL, NULL ))
2365 {
2366 SetLastError( ERROR_PATH_NOT_FOUND );
2367 return INVALID_FILE_SIZE;
2368 }
2369
2370 attr.Length = sizeof(attr);
2371 attr.RootDirectory = 0;
2372 attr.Attributes = OBJ_CASE_INSENSITIVE;
2373 attr.ObjectName = &nt_name;
2374 attr.SecurityDescriptor = NULL;
2375 attr.SecurityQualityOfService = NULL;
2376
2377 status = NtOpenFile( &handle, 0, &attr, &io, 0, FILE_SYNCHRONOUS_IO_NONALERT );
2378 RtlFreeUnicodeString( &nt_name );
2379
2380 if (status == STATUS_SUCCESS)
2381 {
2382 /* we don't support compressed files, simply return the file size */
2383 ret = GetFileSize( handle, size_high );
2384 NtClose( handle );
2385 }
2386 else SetLastError( RtlNtStatusToDosError(status) );
2387
2388 return ret;
2389 }
2390
2391
2392 /******************************************************************************
2393 * GetCompressedFileSizeA (KERNEL32.@)
2394 *
2395 * See GetCompressedFileSizeW.
2396 */
2397 DWORD WINAPI GetCompressedFileSizeA( LPCSTR name, LPDWORD size_high )
2398 {
2399 WCHAR *nameW;
2400
2401 if (!(nameW = FILE_name_AtoW( name, FALSE ))) return INVALID_FILE_SIZE;
2402 return GetCompressedFileSizeW( nameW, size_high );
2403 }
2404
2405
2406 /***********************************************************************
2407 * OpenFile (KERNEL32.@)
2408 */
2409 HFILE WINAPI OpenFile( LPCSTR name, OFSTRUCT *ofs, UINT mode )
2410 {
2411 HANDLE handle;
2412 FILETIME filetime;
2413 WORD filedatetime[2];
2414
2415 if (!ofs) return HFILE_ERROR;
2416
2417 TRACE("%s %s %s %s%s%s%s%s%s%s%s%s\n",name,
2418 ((mode & 0x3 )==OF_READ)?"OF_READ":
2419 ((mode & 0x3 )==OF_WRITE)?"OF_WRITE":
2420 ((mode & 0x3 )==OF_READWRITE)?"OF_READWRITE":"unknown",
2421 ((mode & 0x70 )==OF_SHARE_COMPAT)?"OF_SHARE_COMPAT":
2422 ((mode & 0x70 )==OF_SHARE_DENY_NONE)?"OF_SHARE_DENY_NONE":
2423 ((mode & 0x70 )==OF_SHARE_DENY_READ)?"OF_SHARE_DENY_READ":
2424 ((mode & 0x70 )==OF_SHARE_DENY_WRITE)?"OF_SHARE_DENY_WRITE":
2425 ((mode & 0x70 )==OF_SHARE_EXCLUSIVE)?"OF_SHARE_EXCLUSIVE":"unknown",
2426 ((mode & OF_PARSE )==OF_PARSE)?"OF_PARSE ":"",
2427 ((mode & OF_DELETE )==OF_DELETE)?"OF_DELETE ":"",
2428 ((mode & OF_VERIFY )==OF_VERIFY)?"OF_VERIFY ":"",
2429 ((mode & OF_SEARCH )==OF_SEARCH)?"OF_SEARCH ":"",
2430 ((mode & OF_CANCEL )==OF_CANCEL)?"OF_CANCEL ":"",
2431 ((mode & OF_CREATE )==OF_CREATE)?"OF_CREATE ":"",
2432 ((mode & OF_PROMPT )==OF_PROMPT)?"OF_PROMPT ":"",
2433 ((mode & OF_EXIST )==OF_EXIST)?"OF_EXIST ":"",
2434 ((mode & OF_REOPEN )==OF_REOPEN)?"OF_REOPEN ":""
2435 );
2436
2437
2438 ofs->cBytes = sizeof(OFSTRUCT);
2439 ofs->nErrCode = 0;
2440 if (mode & OF_REOPEN) name = ofs->szPathName;
2441
2442 if (!name) return HFILE_ERROR;
2443
2444 TRACE("%s %04x\n", name, mode );
2445
2446 /* the watcom 10.6 IDE relies on a valid path returned in ofs->szPathName
2447 Are there any cases where getting the path here is wrong?
2448 Uwe Bonnes 1997 Apr 2 */
2449 if (!GetFullPathNameA( name, sizeof(ofs->szPathName), ofs->szPathName, NULL )) goto error;
2450
2451 /* OF_PARSE simply fills the structure */
2452
2453 if (mode & OF_PARSE)
2454 {
2455 ofs->fFixedDisk = (GetDriveTypeA( ofs->szPathName ) != DRIVE_REMOVABLE);
2456 TRACE("(%s): OF_PARSE, res = '%s'\n", name, ofs->szPathName );
2457 return 0;
2458 }
2459
2460 /* OF_CREATE is completely different from all other options, so
2461 handle it first */
2462
2463 if (mode & OF_CREATE)
2464 {
2465 if ((handle = create_file_OF( name, mode )) == INVALID_HANDLE_VALUE)
2466 goto error;
2467 }
2468 else
2469 {
2470 /* Now look for the file */
2471
2472 if (!SearchPathA( NULL, name, NULL, sizeof(ofs->szPathName), ofs->szPathName, NULL ))
2473 goto error;
2474
2475 TRACE("found %s\n", debugstr_a(ofs->szPathName) );
2476
2477 if (mode & OF_DELETE)
2478 {
2479 if (!DeleteFileA( ofs->szPathName )) goto error;
2480 TRACE("(%s): OF_DELETE return = OK\n", name);
2481 return TRUE;
2482 }
2483
2484 handle = LongToHandle(_lopen( ofs->szPathName, mode ));
2485 if (handle == INVALID_HANDLE_VALUE) goto error;
2486
2487 GetFileTime( handle, NULL, NULL, &filetime );
2488 FileTimeToDosDateTime( &filetime, &filedatetime[0], &filedatetime[1] );
2489 if ((mode & OF_VERIFY) && (mode & OF_REOPEN))
2490 {
2491 if (ofs->Reserved1 != filedatetime[0] || ofs->Reserved2 != filedatetime[1] )
2492 {
2493 CloseHandle( handle );
2494 WARN("(%s): OF_VERIFY failed\n", name );
2495 /* FIXME: what error here? */
2496 SetLastError( ERROR_FILE_NOT_FOUND );
2497 goto error;
2498 }
2499 }
2500 ofs->Reserved1 = filedatetime[0];
2501 ofs->Reserved2 = filedatetime[1];
2502 }
2503 TRACE("(%s): OK, return = %p\n", name, handle );
2504 if (mode & OF_EXIST) /* Return TRUE instead of a handle */
2505 {
2506 CloseHandle( handle );
2507 return TRUE;
2508 }
2509 return HandleToLong(handle);
2510
2511 error: /* We get here if there was an error opening the file */
2512 ofs->nErrCode = GetLastError();
2513 WARN("(%s): return = HFILE_ERROR error= %d\n", name,ofs->nErrCode );
2514 return HFILE_ERROR;
2515 }