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msdaps: Add support for remoting IRowset_GetNextRows.
[wine/multimedia.git] / dlls / kernel32 / file.c
blobedec6b0fb6f6214275e3e7440a50ea2ae3f86545
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 "kernel_private.h"
44
45 #include "wine/exception.h"
46 #include "wine/unicode.h"
47 #include "wine/debug.h"
48
49 WINE_DEFAULT_DEBUG_CHANNEL(file);
50
51 /* info structure for FindFirstFile handle */
52 typedef struct
53 {
54 DWORD magic; /* magic number */
55 HANDLE handle; /* handle to directory */
56 CRITICAL_SECTION cs; /* crit section protecting this structure */
57 FINDEX_SEARCH_OPS search_op; /* Flags passed to FindFirst. */
58 UNICODE_STRING mask; /* file mask */
59 UNICODE_STRING path; /* NT path used to open the directory */
60 BOOL is_root; /* is directory the root of the drive? */
61 UINT data_pos; /* current position in dir data */
62 UINT data_len; /* length of dir data */
63 BYTE data[8192]; /* directory data */
64 } FIND_FIRST_INFO;
65
66 #define FIND_FIRST_MAGIC 0xc0ffee11
67
68 static BOOL oem_file_apis;
69
70 static const WCHAR wildcardsW[] = { '*','?',0 };
71
72 /***********************************************************************
73 * create_file_OF
74 *
75 * Wrapper for CreateFile that takes OF_* mode flags.
76 */
77 static HANDLE create_file_OF( LPCSTR path, INT mode )
78 {
79 DWORD access, sharing, creation;
80
81 if (mode & OF_CREATE)
82 {
83 creation = CREATE_ALWAYS;
84 access = GENERIC_READ | GENERIC_WRITE;
85 }
86 else
87 {
88 creation = OPEN_EXISTING;
89 switch(mode & 0x03)
90 {
91 case OF_READ: access = GENERIC_READ; break;
92 case OF_WRITE: access = GENERIC_WRITE; break;
93 case OF_READWRITE: access = GENERIC_READ | GENERIC_WRITE; break;
94 default: access = 0; break;
95 }
96 }
97
98 switch(mode & 0x70)
99 {
100 case OF_SHARE_EXCLUSIVE: sharing = 0; break;
101 case OF_SHARE_DENY_WRITE: sharing = FILE_SHARE_READ; break;
102 case OF_SHARE_DENY_READ: sharing = FILE_SHARE_WRITE; break;
103 case OF_SHARE_DENY_NONE:
104 case OF_SHARE_COMPAT:
105 default: sharing = FILE_SHARE_READ | FILE_SHARE_WRITE; break;
106 }
107 return CreateFileA( path, access, sharing, NULL, creation, FILE_ATTRIBUTE_NORMAL, 0 );
108 }
109
110
111 /***********************************************************************
112 * check_dir_symlink
113 *
114 * Check if a dir symlink should be returned by FindNextFile.
115 */
116 static BOOL check_dir_symlink( FIND_FIRST_INFO *info, const FILE_BOTH_DIR_INFORMATION *file_info )
117 {
118 UNICODE_STRING str;
119 ANSI_STRING unix_name;
120 struct stat st, parent_st;
121 BOOL ret = TRUE;
122 DWORD len;
123
124 str.MaximumLength = info->path.Length + sizeof(WCHAR) + file_info->FileNameLength;
125 if (!(str.Buffer = HeapAlloc( GetProcessHeap(), 0, str.MaximumLength ))) return TRUE;
126 memcpy( str.Buffer, info->path.Buffer, info->path.Length );
127 len = info->path.Length / sizeof(WCHAR);
128 if (!len || str.Buffer[len-1] != '\\') str.Buffer[len++] = '\\';
129 memcpy( str.Buffer + len, file_info->FileName, file_info->FileNameLength );
130 str.Length = len * sizeof(WCHAR) + file_info->FileNameLength;
131
132 unix_name.Buffer = NULL;
133 if (!wine_nt_to_unix_file_name( &str, &unix_name, OPEN_EXISTING, FALSE ) &&
134 !stat( unix_name.Buffer, &st ))
135 {
136 char *p = unix_name.Buffer + unix_name.Length - 1;
137
138 /* skip trailing slashes */
139 while (p > unix_name.Buffer && *p == '/') p--;
140
141 while (ret && p > unix_name.Buffer)
142 {
143 while (p > unix_name.Buffer && *p != '/') p--;
144 while (p > unix_name.Buffer && *p == '/') p--;
145 p[1] = 0;
146 if (!stat( unix_name.Buffer, &parent_st ) &&
147 parent_st.st_dev == st.st_dev &&
148 parent_st.st_ino == st.st_ino)
149 {
150 WARN( "suppressing dir symlink %s pointing to parent %s\n",
151 debugstr_wn( str.Buffer, str.Length/sizeof(WCHAR) ),
152 debugstr_a( unix_name.Buffer ));
153 ret = FALSE;
154 }
155 }
156 }
157 RtlFreeAnsiString( &unix_name );
158 RtlFreeUnicodeString( &str );
159 return ret;
160 }
161
162
163 /***********************************************************************
164 * FILE_SetDosError
165 *
166 * Set the DOS error code from errno.
167 */
168 void FILE_SetDosError(void)
169 {
170 int save_errno = errno; /* errno gets overwritten by printf */
171
172 TRACE("errno = %d %s\n", errno, strerror(errno));
173 switch (save_errno)
174 {
175 case EAGAIN:
176 SetLastError( ERROR_SHARING_VIOLATION );
177 break;
178 case EBADF:
179 SetLastError( ERROR_INVALID_HANDLE );
180 break;
181 case ENOSPC:
182 SetLastError( ERROR_HANDLE_DISK_FULL );
183 break;
184 case EACCES:
185 case EPERM:
186 case EROFS:
187 SetLastError( ERROR_ACCESS_DENIED );
188 break;
189 case EBUSY:
190 SetLastError( ERROR_LOCK_VIOLATION );
191 break;
192 case ENOENT:
193 SetLastError( ERROR_FILE_NOT_FOUND );
194 break;
195 case EISDIR:
196 SetLastError( ERROR_CANNOT_MAKE );
197 break;
198 case ENFILE:
199 case EMFILE:
200 SetLastError( ERROR_TOO_MANY_OPEN_FILES );
201 break;
202 case EEXIST:
203 SetLastError( ERROR_FILE_EXISTS );
204 break;
205 case EINVAL:
206 case ESPIPE:
207 SetLastError( ERROR_SEEK );
208 break;
209 case ENOTEMPTY:
210 SetLastError( ERROR_DIR_NOT_EMPTY );
211 break;
212 case ENOEXEC:
213 SetLastError( ERROR_BAD_FORMAT );
214 break;
215 case ENOTDIR:
216 SetLastError( ERROR_PATH_NOT_FOUND );
217 break;
218 case EXDEV:
219 SetLastError( ERROR_NOT_SAME_DEVICE );
220 break;
221 default:
222 WARN("unknown file error: %s\n", strerror(save_errno) );
223 SetLastError( ERROR_GEN_FAILURE );
224 break;
225 }
226 errno = save_errno;
227 }
228
229
230 /***********************************************************************
231 * FILE_name_AtoW
232 *
233 * Convert a file name to Unicode, taking into account the OEM/Ansi API mode.
234 *
235 * If alloc is FALSE uses the TEB static buffer, so it can only be used when
236 * there is no possibility for the function to do that twice, taking into
237 * account any called function.
238 */
239 WCHAR *FILE_name_AtoW( LPCSTR name, BOOL alloc )
240 {
241 ANSI_STRING str;
242 UNICODE_STRING strW, *pstrW;
243 NTSTATUS status;
244
245 RtlInitAnsiString( &str, name );
246 pstrW = alloc ? &strW : &NtCurrentTeb()->StaticUnicodeString;
247 if (oem_file_apis)
248 status = RtlOemStringToUnicodeString( pstrW, &str, alloc );
249 else
250 status = RtlAnsiStringToUnicodeString( pstrW, &str, alloc );
251 if (status == STATUS_SUCCESS) return pstrW->Buffer;
252
253 if (status == STATUS_BUFFER_OVERFLOW)
254 SetLastError( ERROR_FILENAME_EXCED_RANGE );
255 else
256 SetLastError( RtlNtStatusToDosError(status) );
257 return NULL;
258 }
259
260
261 /***********************************************************************
262 * FILE_name_WtoA
263 *
264 * Convert a file name back to OEM/Ansi. Returns number of bytes copied.
265 */
266 DWORD FILE_name_WtoA( LPCWSTR src, INT srclen, LPSTR dest, INT destlen )
267 {
268 DWORD ret;
269
270 if (srclen < 0) srclen = strlenW( src ) + 1;
271 if (oem_file_apis)
272 RtlUnicodeToOemN( dest, destlen, &ret, src, srclen * sizeof(WCHAR) );
273 else
274 RtlUnicodeToMultiByteN( dest, destlen, &ret, src, srclen * sizeof(WCHAR) );
275 return ret;
276 }
277
278
279 /**************************************************************************
280 * SetFileApisToOEM (KERNEL32.@)
281 */
282 VOID WINAPI SetFileApisToOEM(void)
283 {
284 oem_file_apis = TRUE;
285 }
286
287
288 /**************************************************************************
289 * SetFileApisToANSI (KERNEL32.@)
290 */
291 VOID WINAPI SetFileApisToANSI(void)
292 {
293 oem_file_apis = FALSE;
294 }
295
296
297 /******************************************************************************
298 * AreFileApisANSI (KERNEL32.@)
299 *
300 * Determines if file functions are using ANSI
301 *
302 * RETURNS
303 * TRUE: Set of file functions is using ANSI code page
304 * FALSE: Set of file functions is using OEM code page
305 */
306 BOOL WINAPI AreFileApisANSI(void)
307 {
308 return !oem_file_apis;
309 }
310
311
312 /**************************************************************************
313 * Operations on file handles *
314 **************************************************************************/
315
316 /******************************************************************
317 * FILE_ReadWriteApc (internal)
318 */
319 static void WINAPI FILE_ReadWriteApc(void* apc_user, PIO_STATUS_BLOCK io_status, ULONG reserved)
320 {
321 LPOVERLAPPED_COMPLETION_ROUTINE cr = apc_user;
322
323 cr(RtlNtStatusToDosError(io_status->u.Status), io_status->Information, (LPOVERLAPPED)io_status);
324 }
325
326
327 /***********************************************************************
328 * ReadFileEx (KERNEL32.@)
329 */
330 BOOL WINAPI ReadFileEx(HANDLE hFile, LPVOID buffer, DWORD bytesToRead,
331 LPOVERLAPPED overlapped,
332 LPOVERLAPPED_COMPLETION_ROUTINE lpCompletionRoutine)
333 {
334 LARGE_INTEGER offset;
335 NTSTATUS status;
336 PIO_STATUS_BLOCK io_status;
337
338 TRACE("(hFile=%p, buffer=%p, bytes=%u, ovl=%p, ovl_fn=%p)\n", hFile, buffer, bytesToRead, overlapped, lpCompletionRoutine);
339
340 if (!overlapped)
341 {
342 SetLastError(ERROR_INVALID_PARAMETER);
343 return FALSE;
344 }
345
346 offset.u.LowPart = overlapped->u.s.Offset;
347 offset.u.HighPart = overlapped->u.s.OffsetHigh;
348 io_status = (PIO_STATUS_BLOCK)overlapped;
349 io_status->u.Status = STATUS_PENDING;
350 io_status->Information = 0;
351
352 status = NtReadFile(hFile, NULL, FILE_ReadWriteApc, lpCompletionRoutine,
353 io_status, buffer, bytesToRead, &offset, NULL);
354
355 if (status)
356 {
357 SetLastError( RtlNtStatusToDosError(status) );
358 return FALSE;
359 }
360 return TRUE;
361 }
362
363
364 /***********************************************************************
365 * ReadFileScatter (KERNEL32.@)
366 */
367 BOOL WINAPI ReadFileScatter( HANDLE file, FILE_SEGMENT_ELEMENT *segments, DWORD count,
368 LPDWORD reserved, LPOVERLAPPED overlapped )
369 {
370 PIO_STATUS_BLOCK io_status;
371 LARGE_INTEGER offset;
372 NTSTATUS status;
373
374 TRACE( "(%p %p %u %p)\n", file, segments, count, overlapped );
375
376 offset.u.LowPart = overlapped->u.s.Offset;
377 offset.u.HighPart = overlapped->u.s.OffsetHigh;
378 io_status = (PIO_STATUS_BLOCK)overlapped;
379 io_status->u.Status = STATUS_PENDING;
380 io_status->Information = 0;
381
382 status = NtReadFileScatter( file, NULL, NULL, NULL, io_status, segments, count, &offset, NULL );
383 if (status) SetLastError( RtlNtStatusToDosError(status) );
384 return !status;
385 }
386
387
388 /***********************************************************************
389 * ReadFile (KERNEL32.@)
390 */
391 BOOL WINAPI ReadFile( HANDLE hFile, LPVOID buffer, DWORD bytesToRead,
392 LPDWORD bytesRead, LPOVERLAPPED overlapped )
393 {
394 LARGE_INTEGER offset;
395 PLARGE_INTEGER poffset = NULL;
396 IO_STATUS_BLOCK iosb;
397 PIO_STATUS_BLOCK io_status = &iosb;
398 HANDLE hEvent = 0;
399 NTSTATUS status;
400 LPVOID cvalue = NULL;
401
402 TRACE("%p %p %d %p %p\n", hFile, buffer, bytesToRead,
403 bytesRead, overlapped );
404
405 if (bytesRead) *bytesRead = 0; /* Do this before anything else */
406 if (!bytesToRead) return TRUE;
407
408 if (is_console_handle(hFile))
409 return ReadConsoleA(hFile, buffer, bytesToRead, bytesRead, NULL);
410
411 if (overlapped != NULL)
412 {
413 offset.u.LowPart = overlapped->u.s.Offset;
414 offset.u.HighPart = overlapped->u.s.OffsetHigh;
415 poffset = &offset;
416 hEvent = overlapped->hEvent;
417 io_status = (PIO_STATUS_BLOCK)overlapped;
418 if (((ULONG_PTR)hEvent & 1) == 0) cvalue = overlapped;
419 }
420 io_status->u.Status = STATUS_PENDING;
421 io_status->Information = 0;
422
423 status = NtReadFile(hFile, hEvent, NULL, cvalue, io_status, buffer, bytesToRead, poffset, NULL);
424
425 if (status == STATUS_PENDING && !overlapped)
426 {
427 WaitForSingleObject( hFile, INFINITE );
428 status = io_status->u.Status;
429 }
430
431 if (status != STATUS_PENDING && bytesRead)
432 *bytesRead = io_status->Information;
433
434 if (status && status != STATUS_END_OF_FILE && status != STATUS_TIMEOUT)
435 {
436 SetLastError( RtlNtStatusToDosError(status) );
437 return FALSE;
438 }
439 return TRUE;
440 }
441
442
443 /***********************************************************************
444 * WriteFileEx (KERNEL32.@)
445 */
446 BOOL WINAPI WriteFileEx(HANDLE hFile, LPCVOID buffer, DWORD bytesToWrite,
447 LPOVERLAPPED overlapped,
448 LPOVERLAPPED_COMPLETION_ROUTINE lpCompletionRoutine)
449 {
450 LARGE_INTEGER offset;
451 NTSTATUS status;
452 PIO_STATUS_BLOCK io_status;
453
454 TRACE("%p %p %d %p %p\n", hFile, buffer, bytesToWrite, overlapped, lpCompletionRoutine);
455
456 if (overlapped == NULL)
457 {
458 SetLastError(ERROR_INVALID_PARAMETER);
459 return FALSE;
460 }
461 offset.u.LowPart = overlapped->u.s.Offset;
462 offset.u.HighPart = overlapped->u.s.OffsetHigh;
463
464 io_status = (PIO_STATUS_BLOCK)overlapped;
465 io_status->u.Status = STATUS_PENDING;
466 io_status->Information = 0;
467
468 status = NtWriteFile(hFile, NULL, FILE_ReadWriteApc, lpCompletionRoutine,
469 io_status, buffer, bytesToWrite, &offset, NULL);
470
471 if (status) SetLastError( RtlNtStatusToDosError(status) );
472 return !status;
473 }
474
475
476 /***********************************************************************
477 * WriteFileGather (KERNEL32.@)
478 */
479 BOOL WINAPI WriteFileGather( HANDLE file, FILE_SEGMENT_ELEMENT *segments, DWORD count,
480 LPDWORD reserved, LPOVERLAPPED overlapped )
481 {
482 PIO_STATUS_BLOCK io_status;
483 LARGE_INTEGER offset;
484 NTSTATUS status;
485
486 TRACE( "%p %p %u %p\n", file, segments, count, overlapped );
487
488 offset.u.LowPart = overlapped->u.s.Offset;
489 offset.u.HighPart = overlapped->u.s.OffsetHigh;
490 io_status = (PIO_STATUS_BLOCK)overlapped;
491 io_status->u.Status = STATUS_PENDING;
492 io_status->Information = 0;
493
494 status = NtWriteFileGather( file, NULL, NULL, NULL, io_status, segments, count, &offset, NULL );
495 if (status) SetLastError( RtlNtStatusToDosError(status) );
496 return !status;
497 }
498
499
500 /***********************************************************************
501 * WriteFile (KERNEL32.@)
502 */
503 BOOL WINAPI WriteFile( HANDLE hFile, LPCVOID buffer, DWORD bytesToWrite,
504 LPDWORD bytesWritten, LPOVERLAPPED overlapped )
505 {
506 HANDLE hEvent = NULL;
507 LARGE_INTEGER offset;
508 PLARGE_INTEGER poffset = NULL;
509 NTSTATUS status;
510 IO_STATUS_BLOCK iosb;
511 PIO_STATUS_BLOCK piosb = &iosb;
512 LPVOID cvalue = NULL;
513
514 TRACE("%p %p %d %p %p\n", hFile, buffer, bytesToWrite, bytesWritten, overlapped );
515
516 if (is_console_handle(hFile))
517 return WriteConsoleA(hFile, buffer, bytesToWrite, bytesWritten, NULL);
518
519 if (overlapped)
520 {
521 offset.u.LowPart = overlapped->u.s.Offset;
522 offset.u.HighPart = overlapped->u.s.OffsetHigh;
523 poffset = &offset;
524 hEvent = overlapped->hEvent;
525 piosb = (PIO_STATUS_BLOCK)overlapped;
526 if (((ULONG_PTR)hEvent & 1) == 0) cvalue = overlapped;
527 }
528 piosb->u.Status = STATUS_PENDING;
529 piosb->Information = 0;
530
531 status = NtWriteFile(hFile, hEvent, NULL, cvalue, piosb,
532 buffer, bytesToWrite, poffset, NULL);
533
534 if (status == STATUS_PENDING && !overlapped)
535 {
536 WaitForSingleObject( hFile, INFINITE );
537 status = piosb->u.Status;
538 }
539
540 if (status != STATUS_PENDING && bytesWritten)
541 *bytesWritten = piosb->Information;
542
543 if (status && status != STATUS_TIMEOUT)
544 {
545 SetLastError( RtlNtStatusToDosError(status) );
546 return FALSE;
547 }
548 return TRUE;
549 }
550
551
552 /***********************************************************************
553 * GetOverlappedResult (KERNEL32.@)
554 *
555 * Check the result of an Asynchronous data transfer from a file.
556 *
557 * Parameters
558 * HANDLE hFile [in] handle of file to check on
559 * LPOVERLAPPED lpOverlapped [in/out] pointer to overlapped
560 * LPDWORD lpTransferred [in/out] number of bytes transferred
561 * BOOL bWait [in] wait for the transfer to complete ?
562 *
563 * RETURNS
564 * TRUE on success
565 * FALSE on failure
566 *
567 * If successful (and relevant) lpTransferred will hold the number of
568 * bytes transferred during the async operation.
569 */
570 BOOL WINAPI GetOverlappedResult(HANDLE hFile, LPOVERLAPPED lpOverlapped,
571 LPDWORD lpTransferred, BOOL bWait)
572 {
573 NTSTATUS status;
574
575 TRACE( "(%p %p %p %x)\n", hFile, lpOverlapped, lpTransferred, bWait );
576
577 status = lpOverlapped->Internal;
578 if (status == STATUS_PENDING)
579 {
580 if (!bWait)
581 {
582 SetLastError( ERROR_IO_INCOMPLETE );
583 return FALSE;
584 }
585
586 if (WaitForSingleObject( lpOverlapped->hEvent ? lpOverlapped->hEvent : hFile,
587 INFINITE ) == WAIT_FAILED)
588 return FALSE;
589 status = lpOverlapped->Internal;
590 }
591
592 *lpTransferred = lpOverlapped->InternalHigh;
593
594 if (status) SetLastError( RtlNtStatusToDosError(status) );
595 return !status;
596 }
597
598 /***********************************************************************
599 * CancelIoEx (KERNEL32.@)
600 *
601 * Cancels pending I/O operations on a file given the overlapped used.
602 *
603 * PARAMS
604 * handle [I] File handle.
605 * lpOverlapped [I,OPT] pointer to overlapped (if null, cancel all)
606 *
607 * RETURNS
608 * Success: TRUE.
609 * Failure: FALSE, check GetLastError().
610 */
611 BOOL WINAPI CancelIoEx(HANDLE handle, LPOVERLAPPED lpOverlapped)
612 {
613 IO_STATUS_BLOCK io_status;
614
615 NtCancelIoFileEx(handle, (PIO_STATUS_BLOCK) lpOverlapped, &io_status);
616 if (io_status.u.Status)
617 {
618 SetLastError( RtlNtStatusToDosError( io_status.u.Status ) );
619 return FALSE;
620 }
621 return TRUE;
622 }
623
624 /***********************************************************************
625 * CancelIo (KERNEL32.@)
626 *
627 * Cancels pending I/O operations initiated by the current thread on a file.
628 *
629 * PARAMS
630 * handle [I] File handle.
631 *
632 * RETURNS
633 * Success: TRUE.
634 * Failure: FALSE, check GetLastError().
635 */
636 BOOL WINAPI CancelIo(HANDLE handle)
637 {
638 IO_STATUS_BLOCK io_status;
639
640 NtCancelIoFile(handle, &io_status);
641 if (io_status.u.Status)
642 {
643 SetLastError( RtlNtStatusToDosError( io_status.u.Status ) );
644 return FALSE;
645 }
646 return TRUE;
647 }
648
649 /***********************************************************************
650 * _hread (KERNEL32.@)
651 */
652 LONG WINAPI _hread( HFILE hFile, LPVOID buffer, LONG count)
653 {
654 return _lread( hFile, buffer, count );
655 }
656
657
658 /***********************************************************************
659 * _hwrite (KERNEL32.@)
660 *
661 * experimentation yields that _lwrite:
662 * o truncates the file at the current position with
663 * a 0 len write
664 * o returns 0 on a 0 length write
665 * o works with console handles
666 *
667 */
668 LONG WINAPI _hwrite( HFILE handle, LPCSTR buffer, LONG count )
669 {
670 DWORD result;
671
672 TRACE("%d %p %d\n", handle, buffer, count );
673
674 if (!count)
675 {
676 /* Expand or truncate at current position */
677 if (!SetEndOfFile( LongToHandle(handle) )) return HFILE_ERROR;
678 return 0;
679 }
680 if (!WriteFile( LongToHandle(handle), buffer, count, &result, NULL ))
681 return HFILE_ERROR;
682 return result;
683 }
684
685
686 /***********************************************************************
687 * _lclose (KERNEL32.@)
688 */
689 HFILE WINAPI _lclose( HFILE hFile )
690 {
691 TRACE("handle %d\n", hFile );
692 return CloseHandle( LongToHandle(hFile) ) ? 0 : HFILE_ERROR;
693 }
694
695
696 /***********************************************************************
697 * _lcreat (KERNEL32.@)
698 */
699 HFILE WINAPI _lcreat( LPCSTR path, INT attr )
700 {
701 HANDLE hfile;
702
703 /* Mask off all flags not explicitly allowed by the doc */
704 attr &= FILE_ATTRIBUTE_READONLY | FILE_ATTRIBUTE_HIDDEN | FILE_ATTRIBUTE_SYSTEM;
705 TRACE("%s %02x\n", path, attr );
706 hfile = CreateFileA( path, GENERIC_READ | GENERIC_WRITE,
707 FILE_SHARE_READ | FILE_SHARE_WRITE, NULL,
708 CREATE_ALWAYS, attr, 0 );
709 return HandleToLong(hfile);
710 }
711
712
713 /***********************************************************************
714 * _lopen (KERNEL32.@)
715 */
716 HFILE WINAPI _lopen( LPCSTR path, INT mode )
717 {
718 HANDLE hfile;
719
720 TRACE("(%s,%04x)\n", debugstr_a(path), mode );
721 hfile = create_file_OF( path, mode & ~OF_CREATE );
722 return HandleToLong(hfile);
723 }
724
725 /***********************************************************************
726 * _lread (KERNEL32.@)
727 */
728 UINT WINAPI _lread( HFILE handle, LPVOID buffer, UINT count )
729 {
730 DWORD result;
731 if (!ReadFile( LongToHandle(handle), buffer, count, &result, NULL ))
732 return HFILE_ERROR;
733 return result;
734 }
735
736
737 /***********************************************************************
738 * _llseek (KERNEL32.@)
739 */
740 LONG WINAPI _llseek( HFILE hFile, LONG lOffset, INT nOrigin )
741 {
742 return SetFilePointer( LongToHandle(hFile), lOffset, NULL, nOrigin );
743 }
744
745
746 /***********************************************************************
747 * _lwrite (KERNEL32.@)
748 */
749 UINT WINAPI _lwrite( HFILE hFile, LPCSTR buffer, UINT count )
750 {
751 return (UINT)_hwrite( hFile, buffer, (LONG)count );
752 }
753
754
755 /***********************************************************************
756 * FlushFileBuffers (KERNEL32.@)
757 */
758 BOOL WINAPI FlushFileBuffers( HANDLE hFile )
759 {
760 NTSTATUS nts;
761 IO_STATUS_BLOCK ioblk;
762
763 if (is_console_handle( hFile ))
764 {
765 /* this will fail (as expected) for an output handle */
766 return FlushConsoleInputBuffer( hFile );
767 }
768 nts = NtFlushBuffersFile( hFile, &ioblk );
769 if (nts != STATUS_SUCCESS)
770 {
771 SetLastError( RtlNtStatusToDosError( nts ) );
772 return FALSE;
773 }
774
775 return TRUE;
776 }
777
778
779 /***********************************************************************
780 * GetFileType (KERNEL32.@)
781 */
782 DWORD WINAPI GetFileType( HANDLE hFile )
783 {
784 FILE_FS_DEVICE_INFORMATION info;
785 IO_STATUS_BLOCK io;
786 NTSTATUS status;
787
788 if (is_console_handle( hFile )) return FILE_TYPE_CHAR;
789
790 status = NtQueryVolumeInformationFile( hFile, &io, &info, sizeof(info), FileFsDeviceInformation );
791 if (status != STATUS_SUCCESS)
792 {
793 SetLastError( RtlNtStatusToDosError(status) );
794 return FILE_TYPE_UNKNOWN;
795 }
796
797 switch(info.DeviceType)
798 {
799 case FILE_DEVICE_NULL:
800 case FILE_DEVICE_SERIAL_PORT:
801 case FILE_DEVICE_PARALLEL_PORT:
802 case FILE_DEVICE_TAPE:
803 case FILE_DEVICE_UNKNOWN:
804 return FILE_TYPE_CHAR;
805 case FILE_DEVICE_NAMED_PIPE:
806 return FILE_TYPE_PIPE;
807 default:
808 return FILE_TYPE_DISK;
809 }
810 }
811
812
813 /***********************************************************************
814 * GetFileInformationByHandle (KERNEL32.@)
815 */
816 BOOL WINAPI GetFileInformationByHandle( HANDLE hFile, BY_HANDLE_FILE_INFORMATION *info )
817 {
818 FILE_ALL_INFORMATION all_info;
819 IO_STATUS_BLOCK io;
820 NTSTATUS status;
821
822 status = NtQueryInformationFile( hFile, &io, &all_info, sizeof(all_info), FileAllInformation );
823 if (status == STATUS_BUFFER_OVERFLOW) status = STATUS_SUCCESS;
824 if (status == STATUS_SUCCESS)
825 {
826 info->dwFileAttributes = all_info.BasicInformation.FileAttributes;
827 info->ftCreationTime.dwHighDateTime = all_info.BasicInformation.CreationTime.u.HighPart;
828 info->ftCreationTime.dwLowDateTime = all_info.BasicInformation.CreationTime.u.LowPart;
829 info->ftLastAccessTime.dwHighDateTime = all_info.BasicInformation.LastAccessTime.u.HighPart;
830 info->ftLastAccessTime.dwLowDateTime = all_info.BasicInformation.LastAccessTime.u.LowPart;
831 info->ftLastWriteTime.dwHighDateTime = all_info.BasicInformation.LastWriteTime.u.HighPart;
832 info->ftLastWriteTime.dwLowDateTime = all_info.BasicInformation.LastWriteTime.u.LowPart;
833 info->dwVolumeSerialNumber = 0; /* FIXME */
834 info->nFileSizeHigh = all_info.StandardInformation.EndOfFile.u.HighPart;
835 info->nFileSizeLow = all_info.StandardInformation.EndOfFile.u.LowPart;
836 info->nNumberOfLinks = all_info.StandardInformation.NumberOfLinks;
837 info->nFileIndexHigh = all_info.InternalInformation.IndexNumber.u.HighPart;
838 info->nFileIndexLow = all_info.InternalInformation.IndexNumber.u.LowPart;
839 return TRUE;
840 }
841 SetLastError( RtlNtStatusToDosError(status) );
842 return FALSE;
843 }
844
845
846 /***********************************************************************
847 * GetFileSize (KERNEL32.@)
848 *
849 * Retrieve the size of a file.
850 *
851 * PARAMS
852 * hFile [I] File to retrieve size of.
853 * filesizehigh [O] On return, the high bits of the file size.
854 *
855 * RETURNS
856 * Success: The low bits of the file size.
857 * Failure: INVALID_FILE_SIZE. As this is could also be a success value,
858 * check GetLastError() for values other than ERROR_SUCCESS.
859 */
860 DWORD WINAPI GetFileSize( HANDLE hFile, LPDWORD filesizehigh )
861 {
862 LARGE_INTEGER size;
863 if (!GetFileSizeEx( hFile, &size )) return INVALID_FILE_SIZE;
864 if (filesizehigh) *filesizehigh = size.u.HighPart;
865 if (size.u.LowPart == INVALID_FILE_SIZE) SetLastError(0);
866 return size.u.LowPart;
867 }
868
869
870 /***********************************************************************
871 * GetFileSizeEx (KERNEL32.@)
872 *
873 * Retrieve the size of a file.
874 *
875 * PARAMS
876 * hFile [I] File to retrieve size of.
877 * lpFileSIze [O] On return, the size of the file.
878 *
879 * RETURNS
880 * Success: TRUE.
881 * Failure: FALSE, check GetLastError().
882 */
883 BOOL WINAPI GetFileSizeEx( HANDLE hFile, PLARGE_INTEGER lpFileSize )
884 {
885 FILE_STANDARD_INFORMATION info;
886 IO_STATUS_BLOCK io;
887 NTSTATUS status;
888
889 status = NtQueryInformationFile( hFile, &io, &info, sizeof(info), FileStandardInformation );
890 if (status == STATUS_SUCCESS)
891 {
892 *lpFileSize = info.EndOfFile;
893 return TRUE;
894 }
895 SetLastError( RtlNtStatusToDosError(status) );
896 return FALSE;
897 }
898
899
900 /**************************************************************************
901 * SetEndOfFile (KERNEL32.@)
902 *
903 * Sets the current position as the end of the file.
904 *
905 * PARAMS
906 * hFile [I] File handle.
907 *
908 * RETURNS
909 * Success: TRUE.
910 * Failure: FALSE, check GetLastError().
911 */
912 BOOL WINAPI SetEndOfFile( HANDLE hFile )
913 {
914 FILE_POSITION_INFORMATION pos;
915 FILE_END_OF_FILE_INFORMATION eof;
916 IO_STATUS_BLOCK io;
917 NTSTATUS status;
918
919 status = NtQueryInformationFile( hFile, &io, &pos, sizeof(pos), FilePositionInformation );
920 if (status == STATUS_SUCCESS)
921 {
922 eof.EndOfFile = pos.CurrentByteOffset;
923 status = NtSetInformationFile( hFile, &io, &eof, sizeof(eof), FileEndOfFileInformation );
924 }
925 if (status == STATUS_SUCCESS) return TRUE;
926 SetLastError( RtlNtStatusToDosError(status) );
927 return FALSE;
928 }
929
930
931 /***********************************************************************
932 * SetFilePointer (KERNEL32.@)
933 */
934 DWORD WINAPI SetFilePointer( HANDLE hFile, LONG distance, LONG *highword, DWORD method )
935 {
936 LARGE_INTEGER dist, newpos;
937
938 if (highword)
939 {
940 dist.u.LowPart = distance;
941 dist.u.HighPart = *highword;
942 }
943 else dist.QuadPart = distance;
944
945 if (!SetFilePointerEx( hFile, dist, &newpos, method )) return INVALID_SET_FILE_POINTER;
946
947 if (highword) *highword = newpos.u.HighPart;
948 if (newpos.u.LowPart == INVALID_SET_FILE_POINTER) SetLastError( 0 );
949 return newpos.u.LowPart;
950 }
951
952
953 /***********************************************************************
954 * SetFilePointerEx (KERNEL32.@)
955 */
956 BOOL WINAPI SetFilePointerEx( HANDLE hFile, LARGE_INTEGER distance,
957 LARGE_INTEGER *newpos, DWORD method )
958 {
959 LONGLONG pos;
960 IO_STATUS_BLOCK io;
961 FILE_POSITION_INFORMATION info;
962
963 switch(method)
964 {
965 case FILE_BEGIN:
966 pos = distance.QuadPart;
967 break;
968 case FILE_CURRENT:
969 if (NtQueryInformationFile( hFile, &io, &info, sizeof(info), FilePositionInformation ))
970 goto error;
971 pos = info.CurrentByteOffset.QuadPart + distance.QuadPart;
972 break;
973 case FILE_END:
974 {
975 FILE_END_OF_FILE_INFORMATION eof;
976 if (NtQueryInformationFile( hFile, &io, &eof, sizeof(eof), FileEndOfFileInformation ))
977 goto error;
978 pos = eof.EndOfFile.QuadPart + distance.QuadPart;
979 }
980 break;
981 default:
982 SetLastError( ERROR_INVALID_PARAMETER );
983 return FALSE;
984 }
985
986 if (pos < 0)
987 {
988 SetLastError( ERROR_NEGATIVE_SEEK );
989 return FALSE;
990 }
991
992 info.CurrentByteOffset.QuadPart = pos;
993 if (NtSetInformationFile( hFile, &io, &info, sizeof(info), FilePositionInformation ))
994 goto error;
995 if (newpos) newpos->QuadPart = pos;
996 return TRUE;
997
998 error:
999 SetLastError( RtlNtStatusToDosError(io.u.Status) );
1000 return FALSE;
1001 }
1002
1003 /***********************************************************************
1004 * GetFileTime (KERNEL32.@)
1005 */
1006 BOOL WINAPI GetFileTime( HANDLE hFile, FILETIME *lpCreationTime,
1007 FILETIME *lpLastAccessTime, FILETIME *lpLastWriteTime )
1008 {
1009 FILE_BASIC_INFORMATION info;
1010 IO_STATUS_BLOCK io;
1011 NTSTATUS status;
1012
1013 status = NtQueryInformationFile( hFile, &io, &info, sizeof(info), FileBasicInformation );
1014 if (status == STATUS_SUCCESS)
1015 {
1016 if (lpCreationTime)
1017 {
1018 lpCreationTime->dwHighDateTime = info.CreationTime.u.HighPart;
1019 lpCreationTime->dwLowDateTime = info.CreationTime.u.LowPart;
1020 }
1021 if (lpLastAccessTime)
1022 {
1023 lpLastAccessTime->dwHighDateTime = info.LastAccessTime.u.HighPart;
1024 lpLastAccessTime->dwLowDateTime = info.LastAccessTime.u.LowPart;
1025 }
1026 if (lpLastWriteTime)
1027 {
1028 lpLastWriteTime->dwHighDateTime = info.LastWriteTime.u.HighPart;
1029 lpLastWriteTime->dwLowDateTime = info.LastWriteTime.u.LowPart;
1030 }
1031 return TRUE;
1032 }
1033 SetLastError( RtlNtStatusToDosError(status) );
1034 return FALSE;
1035 }
1036
1037
1038 /***********************************************************************
1039 * SetFileTime (KERNEL32.@)
1040 */
1041 BOOL WINAPI SetFileTime( HANDLE hFile, const FILETIME *ctime,
1042 const FILETIME *atime, const FILETIME *mtime )
1043 {
1044 FILE_BASIC_INFORMATION info;
1045 IO_STATUS_BLOCK io;
1046 NTSTATUS status;
1047
1048 memset( &info, 0, sizeof(info) );
1049 if (ctime)
1050 {
1051 info.CreationTime.u.HighPart = ctime->dwHighDateTime;
1052 info.CreationTime.u.LowPart = ctime->dwLowDateTime;
1053 }
1054 if (atime)
1055 {
1056 info.LastAccessTime.u.HighPart = atime->dwHighDateTime;
1057 info.LastAccessTime.u.LowPart = atime->dwLowDateTime;
1058 }
1059 if (mtime)
1060 {
1061 info.LastWriteTime.u.HighPart = mtime->dwHighDateTime;
1062 info.LastWriteTime.u.LowPart = mtime->dwLowDateTime;
1063 }
1064
1065 status = NtSetInformationFile( hFile, &io, &info, sizeof(info), FileBasicInformation );
1066 if (status == STATUS_SUCCESS) return TRUE;
1067 SetLastError( RtlNtStatusToDosError(status) );
1068 return FALSE;
1069 }
1070
1071
1072 /**************************************************************************
1073 * LockFile (KERNEL32.@)
1074 */
1075 BOOL WINAPI LockFile( HANDLE hFile, DWORD offset_low, DWORD offset_high,
1076 DWORD count_low, DWORD count_high )
1077 {
1078 NTSTATUS status;
1079 LARGE_INTEGER count, offset;
1080
1081 TRACE( "%p %x%08x %x%08x\n",
1082 hFile, offset_high, offset_low, count_high, count_low );
1083
1084 count.u.LowPart = count_low;
1085 count.u.HighPart = count_high;
1086 offset.u.LowPart = offset_low;
1087 offset.u.HighPart = offset_high;
1088
1089 status = NtLockFile( hFile, 0, NULL, NULL,
1090 NULL, &offset, &count, NULL, TRUE, TRUE );
1091
1092 if (status != STATUS_SUCCESS) SetLastError( RtlNtStatusToDosError(status) );
1093 return !status;
1094 }
1095
1096
1097 /**************************************************************************
1098 * LockFileEx [KERNEL32.@]
1099 *
1100 * Locks a byte range within an open file for shared or exclusive access.
1101 *
1102 * RETURNS
1103 * success: TRUE
1104 * failure: FALSE
1105 *
1106 * NOTES
1107 * Per Microsoft docs, the third parameter (reserved) must be set to 0.
1108 */
1109 BOOL WINAPI LockFileEx( HANDLE hFile, DWORD flags, DWORD reserved,
1110 DWORD count_low, DWORD count_high, LPOVERLAPPED overlapped )
1111 {
1112 NTSTATUS status;
1113 LARGE_INTEGER count, offset;
1114 LPVOID cvalue = NULL;
1115
1116 if (reserved)
1117 {
1118 SetLastError( ERROR_INVALID_PARAMETER );
1119 return FALSE;
1120 }
1121
1122 TRACE( "%p %x%08x %x%08x flags %x\n",
1123 hFile, overlapped->u.s.OffsetHigh, overlapped->u.s.Offset,
1124 count_high, count_low, flags );
1125
1126 count.u.LowPart = count_low;
1127 count.u.HighPart = count_high;
1128 offset.u.LowPart = overlapped->u.s.Offset;
1129 offset.u.HighPart = overlapped->u.s.OffsetHigh;
1130
1131 if (((ULONG_PTR)overlapped->hEvent & 1) == 0) cvalue = overlapped;
1132
1133 status = NtLockFile( hFile, overlapped->hEvent, NULL, cvalue,
1134 NULL, &offset, &count, NULL,
1135 flags & LOCKFILE_FAIL_IMMEDIATELY,
1136 flags & LOCKFILE_EXCLUSIVE_LOCK );
1137
1138 if (status) SetLastError( RtlNtStatusToDosError(status) );
1139 return !status;
1140 }
1141
1142
1143 /**************************************************************************
1144 * UnlockFile (KERNEL32.@)
1145 */
1146 BOOL WINAPI UnlockFile( HANDLE hFile, DWORD offset_low, DWORD offset_high,
1147 DWORD count_low, DWORD count_high )
1148 {
1149 NTSTATUS status;
1150 LARGE_INTEGER count, offset;
1151
1152 count.u.LowPart = count_low;
1153 count.u.HighPart = count_high;
1154 offset.u.LowPart = offset_low;
1155 offset.u.HighPart = offset_high;
1156
1157 status = NtUnlockFile( hFile, NULL, &offset, &count, NULL);
1158 if (status) SetLastError( RtlNtStatusToDosError(status) );
1159 return !status;
1160 }
1161
1162
1163 /**************************************************************************
1164 * UnlockFileEx (KERNEL32.@)
1165 */
1166 BOOL WINAPI UnlockFileEx( HANDLE hFile, DWORD reserved, DWORD count_low, DWORD count_high,
1167 LPOVERLAPPED overlapped )
1168 {
1169 if (reserved)
1170 {
1171 SetLastError( ERROR_INVALID_PARAMETER );
1172 return FALSE;
1173 }
1174 if (overlapped->hEvent) FIXME("Unimplemented overlapped operation\n");
1175
1176 return UnlockFile( hFile, overlapped->u.s.Offset, overlapped->u.s.OffsetHigh, count_low, count_high );
1177 }
1178
1179
1180 /*************************************************************************
1181 * SetHandleCount (KERNEL32.@)
1182 */
1183 UINT WINAPI SetHandleCount( UINT count )
1184 {
1185 return min( 256, count );
1186 }
1187
1188
1189 /**************************************************************************
1190 * Operations on file names *
1191 **************************************************************************/
1192
1193
1194 /*************************************************************************
1195 * CreateFileW [KERNEL32.@] Creates or opens a file or other object
1196 *
1197 * Creates or opens an object, and returns a handle that can be used to
1198 * access that object.
1199 *
1200 * PARAMS
1201 *
1202 * filename [in] pointer to filename to be accessed
1203 * access [in] access mode requested
1204 * sharing [in] share mode
1205 * sa [in] pointer to security attributes
1206 * creation [in] how to create the file
1207 * attributes [in] attributes for newly created file
1208 * template [in] handle to file with extended attributes to copy
1209 *
1210 * RETURNS
1211 * Success: Open handle to specified file
1212 * Failure: INVALID_HANDLE_VALUE
1213 */
1214 HANDLE WINAPI CreateFileW( LPCWSTR filename, DWORD access, DWORD sharing,
1215 LPSECURITY_ATTRIBUTES sa, DWORD creation,
1216 DWORD attributes, HANDLE template )
1217 {
1218 NTSTATUS status;
1219 UINT options;
1220 OBJECT_ATTRIBUTES attr;
1221 UNICODE_STRING nameW;
1222 IO_STATUS_BLOCK io;
1223 HANDLE ret;
1224 DWORD dosdev;
1225 const WCHAR *vxd_name = NULL;
1226 static const WCHAR bkslashes_with_dotW[] = {'\\','\\','.','\\',0};
1227 static const WCHAR coninW[] = {'C','O','N','I','N','$',0};
1228 static const WCHAR conoutW[] = {'C','O','N','O','U','T','$',0};
1229 SECURITY_QUALITY_OF_SERVICE qos;
1230
1231 static const UINT nt_disposition[5] =
1232 {
1233 FILE_CREATE, /* CREATE_NEW */
1234 FILE_OVERWRITE_IF, /* CREATE_ALWAYS */
1235 FILE_OPEN, /* OPEN_EXISTING */
1236 FILE_OPEN_IF, /* OPEN_ALWAYS */
1237 FILE_OVERWRITE /* TRUNCATE_EXISTING */
1238 };
1239
1240
1241 /* sanity checks */
1242
1243 if (!filename || !filename[0])
1244 {
1245 SetLastError( ERROR_PATH_NOT_FOUND );
1246 return INVALID_HANDLE_VALUE;
1247 }
1248
1249 TRACE("%s %s%s%s%s%s%s creation %d attributes 0x%x\n", debugstr_w(filename),
1250 (access & GENERIC_READ)?"GENERIC_READ ":"",
1251 (access & GENERIC_WRITE)?"GENERIC_WRITE ":"",
1252 (!access)?"QUERY_ACCESS ":"",
1253 (sharing & FILE_SHARE_READ)?"FILE_SHARE_READ ":"",
1254 (sharing & FILE_SHARE_WRITE)?"FILE_SHARE_WRITE ":"",
1255 (sharing & FILE_SHARE_DELETE)?"FILE_SHARE_DELETE ":"",
1256 creation, attributes);
1257
1258 /* Open a console for CONIN$ or CONOUT$ */
1259
1260 if (!strcmpiW(filename, coninW) || !strcmpiW(filename, conoutW))
1261 {
1262 ret = OpenConsoleW(filename, access, (sa && sa->bInheritHandle), creation);
1263 goto done;
1264 }
1265
1266 if (!strncmpW(filename, bkslashes_with_dotW, 4))
1267 {
1268 static const WCHAR pipeW[] = {'P','I','P','E','\\',0};
1269 static const WCHAR mailslotW[] = {'M','A','I','L','S','L','O','T','\\',0};
1270
1271 if ((isalphaW(filename[4]) && filename[5] == ':' && filename[6] == '\0') ||
1272 !strncmpiW( filename + 4, pipeW, 5 ) ||
1273 !strncmpiW( filename + 4, mailslotW, 9 ))
1274 {
1275 dosdev = 0;
1276 }
1277 else if ((dosdev = RtlIsDosDeviceName_U( filename + 4 )))
1278 {
1279 dosdev += MAKELONG( 0, 4*sizeof(WCHAR) ); /* adjust position to start of filename */
1280 }
1281 else if (GetVersion() & 0x80000000)
1282 {
1283 vxd_name = filename + 4;
1284 }
1285 }
1286 else dosdev = RtlIsDosDeviceName_U( filename );
1287
1288 if (dosdev)
1289 {
1290 static const WCHAR conW[] = {'C','O','N'};
1291
1292 if (LOWORD(dosdev) == sizeof(conW) &&
1293 !memicmpW( filename + HIWORD(dosdev)/sizeof(WCHAR), conW, sizeof(conW)/sizeof(WCHAR)))
1294 {
1295 switch (access & (GENERIC_READ|GENERIC_WRITE))
1296 {
1297 case GENERIC_READ:
1298 ret = OpenConsoleW(coninW, access, (sa && sa->bInheritHandle), creation);
1299 goto done;
1300 case GENERIC_WRITE:
1301 ret = OpenConsoleW(conoutW, access, (sa && sa->bInheritHandle), creation);
1302 goto done;
1303 default:
1304 SetLastError( ERROR_FILE_NOT_FOUND );
1305 return INVALID_HANDLE_VALUE;
1306 }
1307 }
1308 }
1309
1310 if (creation < CREATE_NEW || creation > TRUNCATE_EXISTING)
1311 {
1312 SetLastError( ERROR_INVALID_PARAMETER );
1313 return INVALID_HANDLE_VALUE;
1314 }
1315
1316 if (!RtlDosPathNameToNtPathName_U( filename, &nameW, NULL, NULL ))
1317 {
1318 SetLastError( ERROR_PATH_NOT_FOUND );
1319 return INVALID_HANDLE_VALUE;
1320 }
1321
1322 /* now call NtCreateFile */
1323
1324 options = 0;
1325 if (attributes & FILE_FLAG_BACKUP_SEMANTICS)
1326 options |= FILE_OPEN_FOR_BACKUP_INTENT;
1327 else
1328 options |= FILE_NON_DIRECTORY_FILE;
1329 if (attributes & FILE_FLAG_DELETE_ON_CLOSE)
1330 {
1331 options |= FILE_DELETE_ON_CLOSE;
1332 access |= DELETE;
1333 }
1334 if (attributes & FILE_FLAG_NO_BUFFERING)
1335 options |= FILE_NO_INTERMEDIATE_BUFFERING;
1336 if (!(attributes & FILE_FLAG_OVERLAPPED))
1337 options |= FILE_SYNCHRONOUS_IO_ALERT;
1338 if (attributes & FILE_FLAG_RANDOM_ACCESS)
1339 options |= FILE_RANDOM_ACCESS;
1340 attributes &= FILE_ATTRIBUTE_VALID_FLAGS;
1341
1342 attr.Length = sizeof(attr);
1343 attr.RootDirectory = 0;
1344 attr.Attributes = OBJ_CASE_INSENSITIVE;
1345 attr.ObjectName = &nameW;
1346 attr.SecurityDescriptor = sa ? sa->lpSecurityDescriptor : NULL;
1347 if (attributes & SECURITY_SQOS_PRESENT)
1348 {
1349 qos.Length = sizeof(qos);
1350 qos.ImpersonationLevel = (attributes >> 16) & 0x3;
1351 qos.ContextTrackingMode = attributes & SECURITY_CONTEXT_TRACKING ? SECURITY_DYNAMIC_TRACKING : SECURITY_STATIC_TRACKING;
1352 qos.EffectiveOnly = attributes & SECURITY_EFFECTIVE_ONLY ? TRUE : FALSE;
1353 attr.SecurityQualityOfService = &qos;
1354 }
1355 else
1356 attr.SecurityQualityOfService = NULL;
1357
1358 if (sa && sa->bInheritHandle) attr.Attributes |= OBJ_INHERIT;
1359
1360 status = NtCreateFile( &ret, access, &attr, &io, NULL, attributes,
1361 sharing, nt_disposition[creation - CREATE_NEW],
1362 options, NULL, 0 );
1363 if (status)
1364 {
1365 if (vxd_name && vxd_name[0])
1366 {
1367 static HANDLE (*vxd_open)(LPCWSTR,DWORD,SECURITY_ATTRIBUTES*);
1368 if (!vxd_open) vxd_open = (void *)GetProcAddress( GetModuleHandleA("krnl386.exe16"),
1369 "__wine_vxd_open" );
1370 if (vxd_open && (ret = vxd_open( vxd_name, access, sa ))) goto done;
1371 }
1372
1373 WARN("Unable to create file %s (status %x)\n", debugstr_w(filename), status);
1374 ret = INVALID_HANDLE_VALUE;
1375
1376 /* In the case file creation was rejected due to CREATE_NEW flag
1377 * was specified and file with that name already exists, correct
1378 * last error is ERROR_FILE_EXISTS and not ERROR_ALREADY_EXISTS.
1379 * Note: RtlNtStatusToDosError is not the subject to blame here.
1380 */
1381 if (status == STATUS_OBJECT_NAME_COLLISION)
1382 SetLastError( ERROR_FILE_EXISTS );
1383 else
1384 SetLastError( RtlNtStatusToDosError(status) );
1385 }
1386 else
1387 {
1388 if ((creation == CREATE_ALWAYS && io.Information == FILE_OVERWRITTEN) ||
1389 (creation == OPEN_ALWAYS && io.Information == FILE_OPENED))
1390 SetLastError( ERROR_ALREADY_EXISTS );
1391 else
1392 SetLastError( 0 );
1393 }
1394 RtlFreeUnicodeString( &nameW );
1395
1396 done:
1397 if (!ret) ret = INVALID_HANDLE_VALUE;
1398 TRACE("returning %p\n", ret);
1399 return ret;
1400 }
1401
1402
1403
1404 /*************************************************************************
1405 * CreateFileA (KERNEL32.@)
1406 *
1407 * See CreateFileW.
1408 */
1409 HANDLE WINAPI CreateFileA( LPCSTR filename, DWORD access, DWORD sharing,
1410 LPSECURITY_ATTRIBUTES sa, DWORD creation,
1411 DWORD attributes, HANDLE template)
1412 {
1413 WCHAR *nameW;
1414
1415 if (!(nameW = FILE_name_AtoW( filename, FALSE ))) return INVALID_HANDLE_VALUE;
1416 return CreateFileW( nameW, access, sharing, sa, creation, attributes, template );
1417 }
1418
1419
1420 /***********************************************************************
1421 * DeleteFileW (KERNEL32.@)
1422 *
1423 * Delete a file.
1424 *
1425 * PARAMS
1426 * path [I] Path to the file to delete.
1427 *
1428 * RETURNS
1429 * Success: TRUE.
1430 * Failure: FALSE, check GetLastError().
1431 */
1432 BOOL WINAPI DeleteFileW( LPCWSTR path )
1433 {
1434 UNICODE_STRING nameW;
1435 OBJECT_ATTRIBUTES attr;
1436 NTSTATUS status;
1437 HANDLE hFile;
1438 IO_STATUS_BLOCK io;
1439
1440 TRACE("%s\n", debugstr_w(path) );
1441
1442 if (!RtlDosPathNameToNtPathName_U( path, &nameW, NULL, NULL ))
1443 {
1444 SetLastError( ERROR_PATH_NOT_FOUND );
1445 return FALSE;
1446 }
1447
1448 attr.Length = sizeof(attr);
1449 attr.RootDirectory = 0;
1450 attr.Attributes = OBJ_CASE_INSENSITIVE;
1451 attr.ObjectName = &nameW;
1452 attr.SecurityDescriptor = NULL;
1453 attr.SecurityQualityOfService = NULL;
1454
1455 status = NtCreateFile(&hFile, GENERIC_READ | GENERIC_WRITE | DELETE,
1456 &attr, &io, NULL, 0,
1457 FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
1458 FILE_OPEN, FILE_DELETE_ON_CLOSE | FILE_NON_DIRECTORY_FILE, NULL, 0);
1459 if (status == STATUS_SUCCESS) status = NtClose(hFile);
1460
1461 RtlFreeUnicodeString( &nameW );
1462 if (status)
1463 {
1464 SetLastError( RtlNtStatusToDosError(status) );
1465 return FALSE;
1466 }
1467 return TRUE;
1468 }
1469
1470
1471 /***********************************************************************
1472 * DeleteFileA (KERNEL32.@)
1473 *
1474 * See DeleteFileW.
1475 */
1476 BOOL WINAPI DeleteFileA( LPCSTR path )
1477 {
1478 WCHAR *pathW;
1479
1480 if (!(pathW = FILE_name_AtoW( path, FALSE ))) return FALSE;
1481 return DeleteFileW( pathW );
1482 }
1483
1484
1485 /**************************************************************************
1486 * ReplaceFileW (KERNEL32.@)
1487 * ReplaceFile (KERNEL32.@)
1488 */
1489 BOOL WINAPI ReplaceFileW(LPCWSTR lpReplacedFileName, LPCWSTR lpReplacementFileName,
1490 LPCWSTR lpBackupFileName, DWORD dwReplaceFlags,
1491 LPVOID lpExclude, LPVOID lpReserved)
1492 {
1493 UNICODE_STRING nt_replaced_name, nt_replacement_name;
1494 ANSI_STRING unix_replaced_name, unix_replacement_name, unix_backup_name;
1495 HANDLE hReplaced = NULL, hReplacement = NULL, hBackup = NULL;
1496 DWORD error = ERROR_SUCCESS;
1497 UINT replaced_flags;
1498 BOOL ret = FALSE;
1499 NTSTATUS status;
1500 IO_STATUS_BLOCK io;
1501 OBJECT_ATTRIBUTES attr;
1502
1503 if (dwReplaceFlags)
1504 FIXME("Ignoring flags %x\n", dwReplaceFlags);
1505
1506 /* First two arguments are mandatory */
1507 if (!lpReplacedFileName || !lpReplacementFileName)
1508 {
1509 SetLastError(ERROR_INVALID_PARAMETER);
1510 return FALSE;
1511 }
1512
1513 unix_replaced_name.Buffer = NULL;
1514 unix_replacement_name.Buffer = NULL;
1515 unix_backup_name.Buffer = NULL;
1516
1517 attr.Length = sizeof(attr);
1518 attr.RootDirectory = 0;
1519 attr.Attributes = OBJ_CASE_INSENSITIVE;
1520 attr.ObjectName = NULL;
1521 attr.SecurityDescriptor = NULL;
1522 attr.SecurityQualityOfService = NULL;
1523
1524 /* Open the "replaced" file for reading and writing */
1525 if (!(RtlDosPathNameToNtPathName_U(lpReplacedFileName, &nt_replaced_name, NULL, NULL)))
1526 {
1527 error = ERROR_PATH_NOT_FOUND;
1528 goto fail;
1529 }
1530 replaced_flags = lpBackupFileName ? FILE_OPEN : FILE_OPEN_IF;
1531 attr.ObjectName = &nt_replaced_name;
1532 status = NtOpenFile(&hReplaced, GENERIC_READ|GENERIC_WRITE|DELETE|SYNCHRONIZE,
1533 &attr, &io,
1534 FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE,
1535 FILE_SYNCHRONOUS_IO_NONALERT|FILE_NON_DIRECTORY_FILE);
1536 if (status == STATUS_SUCCESS)
1537 status = wine_nt_to_unix_file_name(&nt_replaced_name, &unix_replaced_name, replaced_flags, FALSE);
1538 RtlFreeUnicodeString(&nt_replaced_name);
1539 if (status != STATUS_SUCCESS)
1540 {
1541 if (status == STATUS_OBJECT_NAME_NOT_FOUND)
1542 error = ERROR_FILE_NOT_FOUND;
1543 else
1544 error = ERROR_UNABLE_TO_REMOVE_REPLACED;
1545 goto fail;
1546 }
1547
1548 /*
1549 * Open the replacement file for reading, writing, and deleting
1550 * (writing and deleting are needed when finished)
1551 */
1552 if (!(RtlDosPathNameToNtPathName_U(lpReplacementFileName, &nt_replacement_name, NULL, NULL)))
1553 {
1554 error = ERROR_PATH_NOT_FOUND;
1555 goto fail;
1556 }
1557 attr.ObjectName = &nt_replacement_name;
1558 status = NtOpenFile(&hReplacement,
1559 GENERIC_READ|GENERIC_WRITE|DELETE|WRITE_DAC|SYNCHRONIZE,
1560 &attr, &io, 0,
1561 FILE_SYNCHRONOUS_IO_NONALERT|FILE_NON_DIRECTORY_FILE);
1562 if (status == STATUS_SUCCESS)
1563 status = wine_nt_to_unix_file_name(&nt_replacement_name, &unix_replacement_name, FILE_OPEN, FALSE);
1564 RtlFreeUnicodeString(&nt_replacement_name);
1565 if (status != STATUS_SUCCESS)
1566 {
1567 error = RtlNtStatusToDosError(status);
1568 goto fail;
1569 }
1570
1571 /* If the user wants a backup then that needs to be performed first */
1572 if (lpBackupFileName)
1573 {
1574 UNICODE_STRING nt_backup_name;
1575 FILE_BASIC_INFORMATION replaced_info;
1576
1577 /* Obtain the file attributes from the "replaced" file */
1578 status = NtQueryInformationFile(hReplaced, &io, &replaced_info,
1579 sizeof(replaced_info),
1580 FileBasicInformation);
1581 if (status != STATUS_SUCCESS)
1582 {
1583 error = RtlNtStatusToDosError(status);
1584 goto fail;
1585 }
1586
1587 if (!(RtlDosPathNameToNtPathName_U(lpBackupFileName, &nt_backup_name, NULL, NULL)))
1588 {
1589 error = ERROR_PATH_NOT_FOUND;
1590 goto fail;
1591 }
1592 attr.ObjectName = &nt_backup_name;
1593 /* Open the backup with permissions to write over it */
1594 status = NtCreateFile(&hBackup, GENERIC_WRITE,
1595 &attr, &io, NULL, replaced_info.FileAttributes,
1596 FILE_SHARE_WRITE, FILE_OPEN_IF,
1597 FILE_SYNCHRONOUS_IO_NONALERT|FILE_NON_DIRECTORY_FILE,
1598 NULL, 0);
1599 if (status == STATUS_SUCCESS)
1600 status = wine_nt_to_unix_file_name(&nt_backup_name, &unix_backup_name, FILE_OPEN_IF, FALSE);
1601 RtlFreeUnicodeString(&nt_backup_name);
1602 if (status != STATUS_SUCCESS)
1603 {
1604 error = RtlNtStatusToDosError(status);
1605 goto fail;
1606 }
1607
1608 /* If an existing backup exists then copy over it */
1609 if (rename(unix_replaced_name.Buffer, unix_backup_name.Buffer) == -1)
1610 {
1611 error = ERROR_UNABLE_TO_REMOVE_REPLACED; /* is this correct? */
1612 goto fail;
1613 }
1614 }
1615
1616 /*
1617 * Now that the backup has been performed (if requested), copy the replacement
1618 * into place
1619 */
1620 if (rename(unix_replacement_name.Buffer, unix_replaced_name.Buffer) == -1)
1621 {
1622 if (errno == EACCES)
1623 {
1624 /* Inappropriate permissions on "replaced", rename will fail */
1625 error = ERROR_UNABLE_TO_REMOVE_REPLACED;
1626 goto fail;
1627 }
1628 /* on failure we need to indicate whether a backup was made */
1629 if (!lpBackupFileName)
1630 error = ERROR_UNABLE_TO_MOVE_REPLACEMENT;
1631 else
1632 error = ERROR_UNABLE_TO_MOVE_REPLACEMENT_2;
1633 goto fail;
1634 }
1635 /* Success! */
1636 ret = TRUE;
1637
1638 /* Perform resource cleanup */
1639 fail:
1640 if (hBackup) CloseHandle(hBackup);
1641 if (hReplaced) CloseHandle(hReplaced);
1642 if (hReplacement) CloseHandle(hReplacement);
1643 RtlFreeAnsiString(&unix_backup_name);
1644 RtlFreeAnsiString(&unix_replacement_name);
1645 RtlFreeAnsiString(&unix_replaced_name);
1646
1647 /* If there was an error, set the error code */
1648 if(!ret)
1649 SetLastError(error);
1650 return ret;
1651 }
1652
1653
1654 /**************************************************************************
1655 * ReplaceFileA (KERNEL32.@)
1656 */
1657 BOOL WINAPI ReplaceFileA(LPCSTR lpReplacedFileName,LPCSTR lpReplacementFileName,
1658 LPCSTR lpBackupFileName, DWORD dwReplaceFlags,
1659 LPVOID lpExclude, LPVOID lpReserved)
1660 {
1661 WCHAR *replacedW, *replacementW, *backupW = NULL;
1662 BOOL ret;
1663
1664 /* This function only makes sense when the first two parameters are defined */
1665 if (!lpReplacedFileName || !(replacedW = FILE_name_AtoW( lpReplacedFileName, TRUE )))
1666 {
1667 SetLastError(ERROR_INVALID_PARAMETER);
1668 return FALSE;
1669 }
1670 if (!lpReplacementFileName || !(replacementW = FILE_name_AtoW( lpReplacementFileName, TRUE )))
1671 {
1672 HeapFree( GetProcessHeap(), 0, replacedW );
1673 SetLastError(ERROR_INVALID_PARAMETER);
1674 return FALSE;
1675 }
1676 /* The backup parameter, however, is optional */
1677 if (lpBackupFileName)
1678 {
1679 if (!(backupW = FILE_name_AtoW( lpBackupFileName, TRUE )))
1680 {
1681 HeapFree( GetProcessHeap(), 0, replacedW );
1682 HeapFree( GetProcessHeap(), 0, replacementW );
1683 SetLastError(ERROR_INVALID_PARAMETER);
1684 return FALSE;
1685 }
1686 }
1687 ret = ReplaceFileW( replacedW, replacementW, backupW, dwReplaceFlags, lpExclude, lpReserved );
1688 HeapFree( GetProcessHeap(), 0, replacedW );
1689 HeapFree( GetProcessHeap(), 0, replacementW );
1690 HeapFree( GetProcessHeap(), 0, backupW );
1691 return ret;
1692 }
1693
1694
1695 /*************************************************************************
1696 * FindFirstFileExW (KERNEL32.@)
1697 *
1698 * NOTE: The FindExSearchLimitToDirectories is ignored - it gives the same
1699 * results as FindExSearchNameMatch
1700 */
1701 HANDLE WINAPI FindFirstFileExW( LPCWSTR filename, FINDEX_INFO_LEVELS level,
1702 LPVOID data, FINDEX_SEARCH_OPS search_op,
1703 LPVOID filter, DWORD flags)
1704 {
1705 WCHAR *mask, *p;
1706 FIND_FIRST_INFO *info = NULL;
1707 UNICODE_STRING nt_name;
1708 OBJECT_ATTRIBUTES attr;
1709 IO_STATUS_BLOCK io;
1710 NTSTATUS status;
1711 DWORD device = 0;
1712
1713 TRACE("%s %d %p %d %p %x\n", debugstr_w(filename), level, data, search_op, filter, flags);
1714
1715 if ((search_op != FindExSearchNameMatch && search_op != FindExSearchLimitToDirectories)
1716 || flags != 0)
1717 {
1718 FIXME("options not implemented 0x%08x 0x%08x\n", search_op, flags );
1719 return INVALID_HANDLE_VALUE;
1720 }
1721 if (level != FindExInfoStandard)
1722 {
1723 FIXME("info level %d not implemented\n", level );
1724 return INVALID_HANDLE_VALUE;
1725 }
1726
1727 if (!RtlDosPathNameToNtPathName_U( filename, &nt_name, &mask, NULL ))
1728 {
1729 SetLastError( ERROR_PATH_NOT_FOUND );
1730 return INVALID_HANDLE_VALUE;
1731 }
1732
1733 if (!(info = HeapAlloc( GetProcessHeap(), 0, sizeof(*info))))
1734 {
1735 SetLastError( ERROR_NOT_ENOUGH_MEMORY );
1736 goto error;
1737 }
1738
1739 if (!mask && (device = RtlIsDosDeviceName_U( filename )))
1740 {
1741 static const WCHAR dotW[] = {'.',0};
1742 WCHAR *dir = NULL;
1743
1744 /* we still need to check that the directory can be opened */
1745
1746 if (HIWORD(device))
1747 {
1748 if (!(dir = HeapAlloc( GetProcessHeap(), 0, HIWORD(device) + sizeof(WCHAR) )))
1749 {
1750 SetLastError( ERROR_NOT_ENOUGH_MEMORY );
1751 goto error;
1752 }
1753 memcpy( dir, filename, HIWORD(device) );
1754 dir[HIWORD(device)/sizeof(WCHAR)] = 0;
1755 }
1756 RtlFreeUnicodeString( &nt_name );
1757 if (!RtlDosPathNameToNtPathName_U( dir ? dir : dotW, &nt_name, &mask, NULL ))
1758 {
1759 HeapFree( GetProcessHeap(), 0, dir );
1760 SetLastError( ERROR_PATH_NOT_FOUND );
1761 goto error;
1762 }
1763 HeapFree( GetProcessHeap(), 0, dir );
1764 RtlInitUnicodeString( &info->mask, NULL );
1765 }
1766 else if (!mask || !*mask)
1767 {
1768 SetLastError( ERROR_FILE_NOT_FOUND );
1769 goto error;
1770 }
1771 else
1772 {
1773 if (!RtlCreateUnicodeString( &info->mask, mask ))
1774 {
1775 SetLastError( ERROR_NOT_ENOUGH_MEMORY );
1776 goto error;
1777 }
1778
1779 /* truncate dir name before mask */
1780 *mask = 0;
1781 nt_name.Length = (mask - nt_name.Buffer) * sizeof(WCHAR);
1782 }
1783
1784 /* check if path is the root of the drive */
1785 info->is_root = FALSE;
1786 p = nt_name.Buffer + 4; /* skip \??\ prefix */
1787 if (p[0] && p[1] == ':')
1788 {
1789 p += 2;
1790 while (*p == '\\') p++;
1791 info->is_root = (*p == 0);
1792 }
1793
1794 attr.Length = sizeof(attr);
1795 attr.RootDirectory = 0;
1796 attr.Attributes = OBJ_CASE_INSENSITIVE;
1797 attr.ObjectName = &nt_name;
1798 attr.SecurityDescriptor = NULL;
1799 attr.SecurityQualityOfService = NULL;
1800
1801 status = NtOpenFile( &info->handle, GENERIC_READ, &attr, &io,
1802 FILE_SHARE_READ | FILE_SHARE_WRITE,
1803 FILE_DIRECTORY_FILE | FILE_SYNCHRONOUS_IO_NONALERT );
1804
1805 if (status != STATUS_SUCCESS)
1806 {
1807 RtlFreeUnicodeString( &info->mask );
1808 if (status == STATUS_OBJECT_NAME_NOT_FOUND)
1809 SetLastError( ERROR_PATH_NOT_FOUND );
1810 else
1811 SetLastError( RtlNtStatusToDosError(status) );
1812 goto error;
1813 }
1814
1815 RtlInitializeCriticalSection( &info->cs );
1816 info->cs.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": FIND_FIRST_INFO.cs");
1817 info->path = nt_name;
1818 info->magic = FIND_FIRST_MAGIC;
1819 info->data_pos = 0;
1820 info->data_len = 0;
1821 info->search_op = search_op;
1822
1823 if (device)
1824 {
1825 WIN32_FIND_DATAW *wfd = data;
1826
1827 memset( wfd, 0, sizeof(*wfd) );
1828 memcpy( wfd->cFileName, filename + HIWORD(device)/sizeof(WCHAR), LOWORD(device) );
1829 wfd->dwFileAttributes = FILE_ATTRIBUTE_ARCHIVE;
1830 CloseHandle( info->handle );
1831 info->handle = 0;
1832 }
1833 else
1834 {
1835 IO_STATUS_BLOCK io;
1836
1837 NtQueryDirectoryFile( info->handle, 0, NULL, NULL, &io, info->data, sizeof(info->data),
1838 FileBothDirectoryInformation, FALSE, &info->mask, TRUE );
1839 if (io.u.Status)
1840 {
1841 FindClose( info );
1842 SetLastError( RtlNtStatusToDosError( io.u.Status ) );
1843 return INVALID_HANDLE_VALUE;
1844 }
1845 info->data_len = io.Information;
1846 if (!FindNextFileW( info, data ))
1847 {
1848 TRACE( "%s not found\n", debugstr_w(filename) );
1849 FindClose( info );
1850 SetLastError( ERROR_FILE_NOT_FOUND );
1851 return INVALID_HANDLE_VALUE;
1852 }
1853 if (!strpbrkW( info->mask.Buffer, wildcardsW ))
1854 {
1855 /* we can't find two files with the same name */
1856 CloseHandle( info->handle );
1857 info->handle = 0;
1858 }
1859 }
1860 return info;
1861
1862 error:
1863 HeapFree( GetProcessHeap(), 0, info );
1864 RtlFreeUnicodeString( &nt_name );
1865 return INVALID_HANDLE_VALUE;
1866 }
1867
1868
1869 /*************************************************************************
1870 * FindNextFileW (KERNEL32.@)
1871 */
1872 BOOL WINAPI FindNextFileW( HANDLE handle, WIN32_FIND_DATAW *data )
1873 {
1874 FIND_FIRST_INFO *info;
1875 FILE_BOTH_DIR_INFORMATION *dir_info;
1876 BOOL ret = FALSE;
1877
1878 TRACE("%p %p\n", handle, data);
1879
1880 if (!handle || handle == INVALID_HANDLE_VALUE)
1881 {
1882 SetLastError( ERROR_INVALID_HANDLE );
1883 return ret;
1884 }
1885 info = handle;
1886 if (info->magic != FIND_FIRST_MAGIC)
1887 {
1888 SetLastError( ERROR_INVALID_HANDLE );
1889 return ret;
1890 }
1891
1892 RtlEnterCriticalSection( &info->cs );
1893
1894 if (!info->handle) SetLastError( ERROR_NO_MORE_FILES );
1895 else for (;;)
1896 {
1897 if (info->data_pos >= info->data_len) /* need to read some more data */
1898 {
1899 IO_STATUS_BLOCK io;
1900
1901 NtQueryDirectoryFile( info->handle, 0, NULL, NULL, &io, info->data, sizeof(info->data),
1902 FileBothDirectoryInformation, FALSE, &info->mask, FALSE );
1903 if (io.u.Status)
1904 {
1905 SetLastError( RtlNtStatusToDosError( io.u.Status ) );
1906 if (io.u.Status == STATUS_NO_MORE_FILES)
1907 {
1908 CloseHandle( info->handle );
1909 info->handle = 0;
1910 }
1911 break;
1912 }
1913 info->data_len = io.Information;
1914 info->data_pos = 0;
1915 }
1916
1917 dir_info = (FILE_BOTH_DIR_INFORMATION *)(info->data + info->data_pos);
1918
1919 if (dir_info->NextEntryOffset) info->data_pos += dir_info->NextEntryOffset;
1920 else info->data_pos = info->data_len;
1921
1922 /* don't return '.' and '..' in the root of the drive */
1923 if (info->is_root)
1924 {
1925 if (dir_info->FileNameLength == sizeof(WCHAR) && dir_info->FileName[0] == '.') continue;
1926 if (dir_info->FileNameLength == 2 * sizeof(WCHAR) &&
1927 dir_info->FileName[0] == '.' && dir_info->FileName[1] == '.') continue;
1928 }
1929
1930 /* check for dir symlink */
1931 if ((dir_info->FileAttributes & FILE_ATTRIBUTE_DIRECTORY) &&
1932 (dir_info->FileAttributes & FILE_ATTRIBUTE_REPARSE_POINT) &&
1933 strpbrkW( info->mask.Buffer, wildcardsW ))
1934 {
1935 if (!check_dir_symlink( info, dir_info )) continue;
1936 }
1937
1938 data->dwFileAttributes = dir_info->FileAttributes;
1939 data->ftCreationTime = *(FILETIME *)&dir_info->CreationTime;
1940 data->ftLastAccessTime = *(FILETIME *)&dir_info->LastAccessTime;
1941 data->ftLastWriteTime = *(FILETIME *)&dir_info->LastWriteTime;
1942 data->nFileSizeHigh = dir_info->EndOfFile.QuadPart >> 32;
1943 data->nFileSizeLow = (DWORD)dir_info->EndOfFile.QuadPart;
1944 data->dwReserved0 = 0;
1945 data->dwReserved1 = 0;
1946
1947 memcpy( data->cFileName, dir_info->FileName, dir_info->FileNameLength );
1948 data->cFileName[dir_info->FileNameLength/sizeof(WCHAR)] = 0;
1949 memcpy( data->cAlternateFileName, dir_info->ShortName, dir_info->ShortNameLength );
1950 data->cAlternateFileName[dir_info->ShortNameLength/sizeof(WCHAR)] = 0;
1951
1952 TRACE("returning %s (%s)\n",
1953 debugstr_w(data->cFileName), debugstr_w(data->cAlternateFileName) );
1954
1955 ret = TRUE;
1956 break;
1957 }
1958
1959 RtlLeaveCriticalSection( &info->cs );
1960 return ret;
1961 }
1962
1963
1964 /*************************************************************************
1965 * FindClose (KERNEL32.@)
1966 */
1967 BOOL WINAPI FindClose( HANDLE handle )
1968 {
1969 FIND_FIRST_INFO *info = handle;
1970
1971 if (!handle || handle == INVALID_HANDLE_VALUE)
1972 {
1973 SetLastError( ERROR_INVALID_HANDLE );
1974 return FALSE;
1975 }
1976
1977 __TRY
1978 {
1979 if (info->magic == FIND_FIRST_MAGIC)
1980 {
1981 RtlEnterCriticalSection( &info->cs );
1982 if (info->magic == FIND_FIRST_MAGIC) /* in case someone else freed it in the meantime */
1983 {
1984 info->magic = 0;
1985 if (info->handle) CloseHandle( info->handle );
1986 info->handle = 0;
1987 RtlFreeUnicodeString( &info->mask );
1988 info->mask.Buffer = NULL;
1989 RtlFreeUnicodeString( &info->path );
1990 info->data_pos = 0;
1991 info->data_len = 0;
1992 RtlLeaveCriticalSection( &info->cs );
1993 info->cs.DebugInfo->Spare[0] = 0;
1994 RtlDeleteCriticalSection( &info->cs );
1995 HeapFree( GetProcessHeap(), 0, info );
1996 }
1997 }
1998 }
1999 __EXCEPT_PAGE_FAULT
2000 {
2001 WARN("Illegal handle %p\n", handle);
2002 SetLastError( ERROR_INVALID_HANDLE );
2003 return FALSE;
2004 }
2005 __ENDTRY
2006
2007 return TRUE;
2008 }
2009
2010
2011 /*************************************************************************
2012 * FindFirstFileA (KERNEL32.@)
2013 */
2014 HANDLE WINAPI FindFirstFileA( LPCSTR lpFileName, WIN32_FIND_DATAA *lpFindData )
2015 {
2016 return FindFirstFileExA(lpFileName, FindExInfoStandard, lpFindData,
2017 FindExSearchNameMatch, NULL, 0);
2018 }
2019
2020 /*************************************************************************
2021 * FindFirstFileExA (KERNEL32.@)
2022 */
2023 HANDLE WINAPI FindFirstFileExA( LPCSTR lpFileName, FINDEX_INFO_LEVELS fInfoLevelId,
2024 LPVOID lpFindFileData, FINDEX_SEARCH_OPS fSearchOp,
2025 LPVOID lpSearchFilter, DWORD dwAdditionalFlags)
2026 {
2027 HANDLE handle;
2028 WIN32_FIND_DATAA *dataA;
2029 WIN32_FIND_DATAW dataW;
2030 WCHAR *nameW;
2031
2032 if (!(nameW = FILE_name_AtoW( lpFileName, FALSE ))) return INVALID_HANDLE_VALUE;
2033
2034 handle = FindFirstFileExW(nameW, fInfoLevelId, &dataW, fSearchOp, lpSearchFilter, dwAdditionalFlags);
2035 if (handle == INVALID_HANDLE_VALUE) return handle;
2036
2037 dataA = lpFindFileData;
2038 dataA->dwFileAttributes = dataW.dwFileAttributes;
2039 dataA->ftCreationTime = dataW.ftCreationTime;
2040 dataA->ftLastAccessTime = dataW.ftLastAccessTime;
2041 dataA->ftLastWriteTime = dataW.ftLastWriteTime;
2042 dataA->nFileSizeHigh = dataW.nFileSizeHigh;
2043 dataA->nFileSizeLow = dataW.nFileSizeLow;
2044 FILE_name_WtoA( dataW.cFileName, -1, dataA->cFileName, sizeof(dataA->cFileName) );
2045 FILE_name_WtoA( dataW.cAlternateFileName, -1, dataA->cAlternateFileName,
2046 sizeof(dataA->cAlternateFileName) );
2047 return handle;
2048 }
2049
2050
2051 /*************************************************************************
2052 * FindFirstFileW (KERNEL32.@)
2053 */
2054 HANDLE WINAPI FindFirstFileW( LPCWSTR lpFileName, WIN32_FIND_DATAW *lpFindData )
2055 {
2056 return FindFirstFileExW(lpFileName, FindExInfoStandard, lpFindData,
2057 FindExSearchNameMatch, NULL, 0);
2058 }
2059
2060
2061 /*************************************************************************
2062 * FindNextFileA (KERNEL32.@)
2063 */
2064 BOOL WINAPI FindNextFileA( HANDLE handle, WIN32_FIND_DATAA *data )
2065 {
2066 WIN32_FIND_DATAW dataW;
2067
2068 if (!FindNextFileW( handle, &dataW )) return FALSE;
2069 data->dwFileAttributes = dataW.dwFileAttributes;
2070 data->ftCreationTime = dataW.ftCreationTime;
2071 data->ftLastAccessTime = dataW.ftLastAccessTime;
2072 data->ftLastWriteTime = dataW.ftLastWriteTime;
2073 data->nFileSizeHigh = dataW.nFileSizeHigh;
2074 data->nFileSizeLow = dataW.nFileSizeLow;
2075 FILE_name_WtoA( dataW.cFileName, -1, data->cFileName, sizeof(data->cFileName) );
2076 FILE_name_WtoA( dataW.cAlternateFileName, -1, data->cAlternateFileName,
2077 sizeof(data->cAlternateFileName) );
2078 return TRUE;
2079 }
2080
2081
2082 /**************************************************************************
2083 * GetFileAttributesW (KERNEL32.@)
2084 */
2085 DWORD WINAPI GetFileAttributesW( LPCWSTR name )
2086 {
2087 FILE_BASIC_INFORMATION info;
2088 UNICODE_STRING nt_name;
2089 OBJECT_ATTRIBUTES attr;
2090 NTSTATUS status;
2091
2092 TRACE("%s\n", debugstr_w(name));
2093
2094 if (!RtlDosPathNameToNtPathName_U( name, &nt_name, NULL, NULL ))
2095 {
2096 SetLastError( ERROR_PATH_NOT_FOUND );
2097 return INVALID_FILE_ATTRIBUTES;
2098 }
2099
2100 attr.Length = sizeof(attr);
2101 attr.RootDirectory = 0;
2102 attr.Attributes = OBJ_CASE_INSENSITIVE;
2103 attr.ObjectName = &nt_name;
2104 attr.SecurityDescriptor = NULL;
2105 attr.SecurityQualityOfService = NULL;
2106
2107 status = NtQueryAttributesFile( &attr, &info );
2108 RtlFreeUnicodeString( &nt_name );
2109
2110 if (status == STATUS_SUCCESS) return info.FileAttributes;
2111
2112 /* NtQueryAttributesFile fails on devices, but GetFileAttributesW succeeds */
2113 if (RtlIsDosDeviceName_U( name )) return FILE_ATTRIBUTE_ARCHIVE;
2114
2115 SetLastError( RtlNtStatusToDosError(status) );
2116 return INVALID_FILE_ATTRIBUTES;
2117 }
2118
2119
2120 /**************************************************************************
2121 * GetFileAttributesA (KERNEL32.@)
2122 */
2123 DWORD WINAPI GetFileAttributesA( LPCSTR name )
2124 {
2125 WCHAR *nameW;
2126
2127 if (!(nameW = FILE_name_AtoW( name, FALSE ))) return INVALID_FILE_ATTRIBUTES;
2128 return GetFileAttributesW( nameW );
2129 }
2130
2131
2132 /**************************************************************************
2133 * SetFileAttributesW (KERNEL32.@)
2134 */
2135 BOOL WINAPI SetFileAttributesW( LPCWSTR name, DWORD attributes )
2136 {
2137 UNICODE_STRING nt_name;
2138 OBJECT_ATTRIBUTES attr;
2139 IO_STATUS_BLOCK io;
2140 NTSTATUS status;
2141 HANDLE handle;
2142
2143 TRACE("%s %x\n", debugstr_w(name), attributes);
2144
2145 if (!RtlDosPathNameToNtPathName_U( name, &nt_name, NULL, NULL ))
2146 {
2147 SetLastError( ERROR_PATH_NOT_FOUND );
2148 return FALSE;
2149 }
2150
2151 attr.Length = sizeof(attr);
2152 attr.RootDirectory = 0;
2153 attr.Attributes = OBJ_CASE_INSENSITIVE;
2154 attr.ObjectName = &nt_name;
2155 attr.SecurityDescriptor = NULL;
2156 attr.SecurityQualityOfService = NULL;
2157
2158 status = NtOpenFile( &handle, 0, &attr, &io, 0, FILE_SYNCHRONOUS_IO_NONALERT );
2159 RtlFreeUnicodeString( &nt_name );
2160
2161 if (status == STATUS_SUCCESS)
2162 {
2163 FILE_BASIC_INFORMATION info;
2164
2165 memset( &info, 0, sizeof(info) );
2166 info.FileAttributes = attributes | FILE_ATTRIBUTE_NORMAL; /* make sure it's not zero */
2167 status = NtSetInformationFile( handle, &io, &info, sizeof(info), FileBasicInformation );
2168 NtClose( handle );
2169 }
2170
2171 if (status == STATUS_SUCCESS) return TRUE;
2172 SetLastError( RtlNtStatusToDosError(status) );
2173 return FALSE;
2174 }
2175
2176
2177 /**************************************************************************
2178 * SetFileAttributesA (KERNEL32.@)
2179 */
2180 BOOL WINAPI SetFileAttributesA( LPCSTR name, DWORD attributes )
2181 {
2182 WCHAR *nameW;
2183
2184 if (!(nameW = FILE_name_AtoW( name, FALSE ))) return FALSE;
2185 return SetFileAttributesW( nameW, attributes );
2186 }
2187
2188
2189 /**************************************************************************
2190 * GetFileAttributesExW (KERNEL32.@)
2191 */
2192 BOOL WINAPI GetFileAttributesExW( LPCWSTR name, GET_FILEEX_INFO_LEVELS level, LPVOID ptr )
2193 {
2194 FILE_NETWORK_OPEN_INFORMATION info;
2195 WIN32_FILE_ATTRIBUTE_DATA *data = ptr;
2196 UNICODE_STRING nt_name;
2197 OBJECT_ATTRIBUTES attr;
2198 NTSTATUS status;
2199
2200 TRACE("%s %d %p\n", debugstr_w(name), level, ptr);
2201
2202 if (level != GetFileExInfoStandard)
2203 {
2204 SetLastError( ERROR_INVALID_PARAMETER );
2205 return FALSE;
2206 }
2207
2208 if (!RtlDosPathNameToNtPathName_U( name, &nt_name, NULL, NULL ))
2209 {
2210 SetLastError( ERROR_PATH_NOT_FOUND );
2211 return FALSE;
2212 }
2213
2214 attr.Length = sizeof(attr);
2215 attr.RootDirectory = 0;
2216 attr.Attributes = OBJ_CASE_INSENSITIVE;
2217 attr.ObjectName = &nt_name;
2218 attr.SecurityDescriptor = NULL;
2219 attr.SecurityQualityOfService = NULL;
2220
2221 status = NtQueryFullAttributesFile( &attr, &info );
2222 RtlFreeUnicodeString( &nt_name );
2223
2224 if (status != STATUS_SUCCESS)
2225 {
2226 SetLastError( RtlNtStatusToDosError(status) );
2227 return FALSE;
2228 }
2229
2230 data->dwFileAttributes = info.FileAttributes;
2231 data->ftCreationTime.dwLowDateTime = info.CreationTime.u.LowPart;
2232 data->ftCreationTime.dwHighDateTime = info.CreationTime.u.HighPart;
2233 data->ftLastAccessTime.dwLowDateTime = info.LastAccessTime.u.LowPart;
2234 data->ftLastAccessTime.dwHighDateTime = info.LastAccessTime.u.HighPart;
2235 data->ftLastWriteTime.dwLowDateTime = info.LastWriteTime.u.LowPart;
2236 data->ftLastWriteTime.dwHighDateTime = info.LastWriteTime.u.HighPart;
2237 data->nFileSizeLow = info.EndOfFile.u.LowPart;
2238 data->nFileSizeHigh = info.EndOfFile.u.HighPart;
2239 return TRUE;
2240 }
2241
2242
2243 /**************************************************************************
2244 * GetFileAttributesExA (KERNEL32.@)
2245 */
2246 BOOL WINAPI GetFileAttributesExA( LPCSTR name, GET_FILEEX_INFO_LEVELS level, LPVOID ptr )
2247 {
2248 WCHAR *nameW;
2249
2250 if (!(nameW = FILE_name_AtoW( name, FALSE ))) return FALSE;
2251 return GetFileAttributesExW( nameW, level, ptr );
2252 }
2253
2254
2255 /******************************************************************************
2256 * GetCompressedFileSizeW (KERNEL32.@)
2257 *
2258 * Get the actual number of bytes used on disk.
2259 *
2260 * RETURNS
2261 * Success: Low-order doubleword of number of bytes
2262 * Failure: INVALID_FILE_SIZE
2263 */
2264 DWORD WINAPI GetCompressedFileSizeW(
2265 LPCWSTR name, /* [in] Pointer to name of file */
2266 LPDWORD size_high ) /* [out] Receives high-order doubleword of size */
2267 {
2268 UNICODE_STRING nt_name;
2269 OBJECT_ATTRIBUTES attr;
2270 IO_STATUS_BLOCK io;
2271 NTSTATUS status;
2272 HANDLE handle;
2273 DWORD ret = INVALID_FILE_SIZE;
2274
2275 TRACE("%s %p\n", debugstr_w(name), size_high);
2276
2277 if (!RtlDosPathNameToNtPathName_U( name, &nt_name, NULL, NULL ))
2278 {
2279 SetLastError( ERROR_PATH_NOT_FOUND );
2280 return INVALID_FILE_SIZE;
2281 }
2282
2283 attr.Length = sizeof(attr);
2284 attr.RootDirectory = 0;
2285 attr.Attributes = OBJ_CASE_INSENSITIVE;
2286 attr.ObjectName = &nt_name;
2287 attr.SecurityDescriptor = NULL;
2288 attr.SecurityQualityOfService = NULL;
2289
2290 status = NtOpenFile( &handle, 0, &attr, &io, 0, FILE_SYNCHRONOUS_IO_NONALERT );
2291 RtlFreeUnicodeString( &nt_name );
2292
2293 if (status == STATUS_SUCCESS)
2294 {
2295 /* we don't support compressed files, simply return the file size */
2296 ret = GetFileSize( handle, size_high );
2297 NtClose( handle );
2298 }
2299 else SetLastError( RtlNtStatusToDosError(status) );
2300
2301 return ret;
2302 }
2303
2304
2305 /******************************************************************************
2306 * GetCompressedFileSizeA (KERNEL32.@)
2307 *
2308 * See GetCompressedFileSizeW.
2309 */
2310 DWORD WINAPI GetCompressedFileSizeA( LPCSTR name, LPDWORD size_high )
2311 {
2312 WCHAR *nameW;
2313
2314 if (!(nameW = FILE_name_AtoW( name, FALSE ))) return INVALID_FILE_SIZE;
2315 return GetCompressedFileSizeW( nameW, size_high );
2316 }
2317
2318
2319 /***********************************************************************
2320 * OpenVxDHandle (KERNEL32.@)
2321 *
2322 * This function is supposed to return the corresponding Ring 0
2323 * ("kernel") handle for a Ring 3 handle in Win9x.
2324 * Evidently, Wine will have problems with this. But we try anyway,
2325 * maybe it helps...
2326 */
2327 HANDLE WINAPI OpenVxDHandle(HANDLE hHandleRing3)
2328 {
2329 FIXME( "(%p), stub! (returning Ring 3 handle instead of Ring 0)\n", hHandleRing3);
2330 return hHandleRing3;
2331 }
2332
2333
2334 /****************************************************************************
2335 * DeviceIoControl (KERNEL32.@)
2336 */
2337 BOOL WINAPI DeviceIoControl(HANDLE hDevice, DWORD dwIoControlCode,
2338 LPVOID lpvInBuffer, DWORD cbInBuffer,
2339 LPVOID lpvOutBuffer, DWORD cbOutBuffer,
2340 LPDWORD lpcbBytesReturned,
2341 LPOVERLAPPED lpOverlapped)
2342 {
2343 NTSTATUS status;
2344
2345 TRACE( "(%p,%x,%p,%d,%p,%d,%p,%p)\n",
2346 hDevice,dwIoControlCode,lpvInBuffer,cbInBuffer,
2347 lpvOutBuffer,cbOutBuffer,lpcbBytesReturned,lpOverlapped );
2348
2349 /* Check if this is a user defined control code for a VxD */
2350
2351 if (HIWORD( dwIoControlCode ) == 0 && (GetVersion() & 0x80000000))
2352 {
2353 typedef BOOL (WINAPI *DeviceIoProc)(DWORD, LPVOID, DWORD, LPVOID, DWORD, LPDWORD, LPOVERLAPPED);
2354 static DeviceIoProc (*vxd_get_proc)(HANDLE);
2355 DeviceIoProc proc = NULL;
2356
2357 if (!vxd_get_proc) vxd_get_proc = (void *)GetProcAddress( GetModuleHandleA("krnl386.exe16"),
2358 "__wine_vxd_get_proc" );
2359 if (vxd_get_proc) proc = vxd_get_proc( hDevice );
2360 if (proc) return proc( dwIoControlCode, lpvInBuffer, cbInBuffer,
2361 lpvOutBuffer, cbOutBuffer, lpcbBytesReturned, lpOverlapped );
2362 }
2363
2364 /* Not a VxD, let ntdll handle it */
2365
2366 if (lpOverlapped)
2367 {
2368 LPVOID cvalue = ((ULONG_PTR)lpOverlapped->hEvent & 1) ? NULL : lpOverlapped;
2369 lpOverlapped->Internal = STATUS_PENDING;
2370 lpOverlapped->InternalHigh = 0;
2371 if (HIWORD(dwIoControlCode) == FILE_DEVICE_FILE_SYSTEM)
2372 status = NtFsControlFile(hDevice, lpOverlapped->hEvent,
2373 NULL, cvalue, (PIO_STATUS_BLOCK)lpOverlapped,
2374 dwIoControlCode, lpvInBuffer, cbInBuffer,
2375 lpvOutBuffer, cbOutBuffer);
2376 else
2377 status = NtDeviceIoControlFile(hDevice, lpOverlapped->hEvent,
2378 NULL, cvalue, (PIO_STATUS_BLOCK)lpOverlapped,
2379 dwIoControlCode, lpvInBuffer, cbInBuffer,
2380 lpvOutBuffer, cbOutBuffer);
2381 if (lpcbBytesReturned) *lpcbBytesReturned = lpOverlapped->InternalHigh;
2382 }
2383 else
2384 {
2385 IO_STATUS_BLOCK iosb;
2386
2387 if (HIWORD(dwIoControlCode) == FILE_DEVICE_FILE_SYSTEM)
2388 status = NtFsControlFile(hDevice, NULL, NULL, NULL, &iosb,
2389 dwIoControlCode, lpvInBuffer, cbInBuffer,
2390 lpvOutBuffer, cbOutBuffer);
2391 else
2392 status = NtDeviceIoControlFile(hDevice, NULL, NULL, NULL, &iosb,
2393 dwIoControlCode, lpvInBuffer, cbInBuffer,
2394 lpvOutBuffer, cbOutBuffer);
2395 if (lpcbBytesReturned) *lpcbBytesReturned = iosb.Information;
2396 }
2397 if (status) SetLastError( RtlNtStatusToDosError(status) );
2398 return !status;
2399 }
2400
2401
2402 /***********************************************************************
2403 * OpenFile (KERNEL32.@)
2404 */
2405 HFILE WINAPI OpenFile( LPCSTR name, OFSTRUCT *ofs, UINT mode )
2406 {
2407 HANDLE handle;
2408 FILETIME filetime;
2409 WORD filedatetime[2];
2410
2411 if (!ofs) return HFILE_ERROR;
2412
2413 TRACE("%s %s %s %s%s%s%s%s%s%s%s%s\n",name,
2414 ((mode & 0x3 )==OF_READ)?"OF_READ":
2415 ((mode & 0x3 )==OF_WRITE)?"OF_WRITE":
2416 ((mode & 0x3 )==OF_READWRITE)?"OF_READWRITE":"unknown",
2417 ((mode & 0x70 )==OF_SHARE_COMPAT)?"OF_SHARE_COMPAT":
2418 ((mode & 0x70 )==OF_SHARE_DENY_NONE)?"OF_SHARE_DENY_NONE":
2419 ((mode & 0x70 )==OF_SHARE_DENY_READ)?"OF_SHARE_DENY_READ":
2420 ((mode & 0x70 )==OF_SHARE_DENY_WRITE)?"OF_SHARE_DENY_WRITE":
2421 ((mode & 0x70 )==OF_SHARE_EXCLUSIVE)?"OF_SHARE_EXCLUSIVE":"unknown",
2422 ((mode & OF_PARSE )==OF_PARSE)?"OF_PARSE ":"",
2423 ((mode & OF_DELETE )==OF_DELETE)?"OF_DELETE ":"",
2424 ((mode & OF_VERIFY )==OF_VERIFY)?"OF_VERIFY ":"",
2425 ((mode & OF_SEARCH )==OF_SEARCH)?"OF_SEARCH ":"",
2426 ((mode & OF_CANCEL )==OF_CANCEL)?"OF_CANCEL ":"",
2427 ((mode & OF_CREATE )==OF_CREATE)?"OF_CREATE ":"",
2428 ((mode & OF_PROMPT )==OF_PROMPT)?"OF_PROMPT ":"",
2429 ((mode & OF_EXIST )==OF_EXIST)?"OF_EXIST ":"",
2430 ((mode & OF_REOPEN )==OF_REOPEN)?"OF_REOPEN ":""
2431 );
2432
2433
2434 ofs->cBytes = sizeof(OFSTRUCT);
2435 ofs->nErrCode = 0;
2436 if (mode & OF_REOPEN) name = ofs->szPathName;
2437
2438 if (!name) return HFILE_ERROR;
2439
2440 TRACE("%s %04x\n", name, mode );
2441
2442 /* the watcom 10.6 IDE relies on a valid path returned in ofs->szPathName
2443 Are there any cases where getting the path here is wrong?
2444 Uwe Bonnes 1997 Apr 2 */
2445 if (!GetFullPathNameA( name, sizeof(ofs->szPathName), ofs->szPathName, NULL )) goto error;
2446
2447 /* OF_PARSE simply fills the structure */
2448
2449 if (mode & OF_PARSE)
2450 {
2451 ofs->fFixedDisk = (GetDriveTypeA( ofs->szPathName ) != DRIVE_REMOVABLE);
2452 TRACE("(%s): OF_PARSE, res = '%s'\n", name, ofs->szPathName );
2453 return 0;
2454 }
2455
2456 /* OF_CREATE is completely different from all other options, so
2457 handle it first */
2458
2459 if (mode & OF_CREATE)
2460 {
2461 if ((handle = create_file_OF( name, mode )) == INVALID_HANDLE_VALUE)
2462 goto error;
2463 }
2464 else
2465 {
2466 /* Now look for the file */
2467
2468 if (!SearchPathA( NULL, name, NULL, sizeof(ofs->szPathName), ofs->szPathName, NULL ))
2469 goto error;
2470
2471 TRACE("found %s\n", debugstr_a(ofs->szPathName) );
2472
2473 if (mode & OF_DELETE)
2474 {
2475 if (!DeleteFileA( ofs->szPathName )) goto error;
2476 TRACE("(%s): OF_DELETE return = OK\n", name);
2477 return TRUE;
2478 }
2479
2480 handle = LongToHandle(_lopen( ofs->szPathName, mode ));
2481 if (handle == INVALID_HANDLE_VALUE) goto error;
2482
2483 GetFileTime( handle, NULL, NULL, &filetime );
2484 FileTimeToDosDateTime( &filetime, &filedatetime[0], &filedatetime[1] );
2485 if ((mode & OF_VERIFY) && (mode & OF_REOPEN))
2486 {
2487 if (ofs->Reserved1 != filedatetime[0] || ofs->Reserved2 != filedatetime[1] )
2488 {
2489 CloseHandle( handle );
2490 WARN("(%s): OF_VERIFY failed\n", name );
2491 /* FIXME: what error here? */
2492 SetLastError( ERROR_FILE_NOT_FOUND );
2493 goto error;
2494 }
2495 }
2496 ofs->Reserved1 = filedatetime[0];
2497 ofs->Reserved2 = filedatetime[1];
2498 }
2499 TRACE("(%s): OK, return = %p\n", name, handle );
2500 if (mode & OF_EXIST) /* Return TRUE instead of a handle */
2501 {
2502 CloseHandle( handle );
2503 return TRUE;
2504 }
2505 return HandleToLong(handle);
2506
2507 error: /* We get here if there was an error opening the file */
2508 ofs->nErrCode = GetLastError();
2509 WARN("(%s): return = HFILE_ERROR error= %d\n", name,ofs->nErrCode );
2510 return HFILE_ERROR;
2511 }
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