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hhctrl.ocx: Open a specific topic when requested.
[wine/multimedia.git] / dlls / kernel32 / file.c
blob194960bedfa101dae9100d02fcc611ecd132a956
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 {
410 DWORD conread, mode;
411 if (!ReadConsoleA(hFile, buffer, bytesToRead, &conread, NULL) ||
412 !GetConsoleMode(hFile, &mode))
413 return FALSE;
414 /* ctrl-Z (26) means end of file on window (if at beginning of buffer)
415 * but Unix uses ctrl-D (4), and ctrl-Z is a bad idea on Unix :-/
416 * So map both ctrl-D ctrl-Z to EOF.
417 */
418 if ((mode & ENABLE_PROCESSED_INPUT) && conread > 0 &&
419 (((char*)buffer)[0] == 26 || ((char*)buffer)[0] == 4))
420 {
421 conread = 0;
422 }
423 if (bytesRead) *bytesRead = conread;
424 return TRUE;
425 }
426
427 if (overlapped != NULL)
428 {
429 offset.u.LowPart = overlapped->u.s.Offset;
430 offset.u.HighPart = overlapped->u.s.OffsetHigh;
431 poffset = &offset;
432 hEvent = overlapped->hEvent;
433 io_status = (PIO_STATUS_BLOCK)overlapped;
434 if (((ULONG_PTR)hEvent & 1) == 0) cvalue = overlapped;
435 }
436 io_status->u.Status = STATUS_PENDING;
437 io_status->Information = 0;
438
439 status = NtReadFile(hFile, hEvent, NULL, cvalue, io_status, buffer, bytesToRead, poffset, NULL);
440
441 if (status == STATUS_PENDING && !overlapped)
442 {
443 WaitForSingleObject( hFile, INFINITE );
444 status = io_status->u.Status;
445 }
446
447 if (status != STATUS_PENDING && bytesRead)
448 *bytesRead = io_status->Information;
449
450 if (status && status != STATUS_END_OF_FILE && status != STATUS_TIMEOUT)
451 {
452 SetLastError( RtlNtStatusToDosError(status) );
453 return FALSE;
454 }
455 return TRUE;
456 }
457
458
459 /***********************************************************************
460 * WriteFileEx (KERNEL32.@)
461 */
462 BOOL WINAPI WriteFileEx(HANDLE hFile, LPCVOID buffer, DWORD bytesToWrite,
463 LPOVERLAPPED overlapped,
464 LPOVERLAPPED_COMPLETION_ROUTINE lpCompletionRoutine)
465 {
466 LARGE_INTEGER offset;
467 NTSTATUS status;
468 PIO_STATUS_BLOCK io_status;
469
470 TRACE("%p %p %d %p %p\n", hFile, buffer, bytesToWrite, overlapped, lpCompletionRoutine);
471
472 if (overlapped == NULL)
473 {
474 SetLastError(ERROR_INVALID_PARAMETER);
475 return FALSE;
476 }
477 offset.u.LowPart = overlapped->u.s.Offset;
478 offset.u.HighPart = overlapped->u.s.OffsetHigh;
479
480 io_status = (PIO_STATUS_BLOCK)overlapped;
481 io_status->u.Status = STATUS_PENDING;
482 io_status->Information = 0;
483
484 status = NtWriteFile(hFile, NULL, FILE_ReadWriteApc, lpCompletionRoutine,
485 io_status, buffer, bytesToWrite, &offset, NULL);
486
487 if (status) SetLastError( RtlNtStatusToDosError(status) );
488 return !status;
489 }
490
491
492 /***********************************************************************
493 * WriteFileGather (KERNEL32.@)
494 */
495 BOOL WINAPI WriteFileGather( HANDLE file, FILE_SEGMENT_ELEMENT *segments, DWORD count,
496 LPDWORD reserved, LPOVERLAPPED overlapped )
497 {
498 PIO_STATUS_BLOCK io_status;
499 LARGE_INTEGER offset;
500 NTSTATUS status;
501
502 TRACE( "%p %p %u %p\n", file, segments, count, overlapped );
503
504 offset.u.LowPart = overlapped->u.s.Offset;
505 offset.u.HighPart = overlapped->u.s.OffsetHigh;
506 io_status = (PIO_STATUS_BLOCK)overlapped;
507 io_status->u.Status = STATUS_PENDING;
508 io_status->Information = 0;
509
510 status = NtWriteFileGather( file, NULL, NULL, NULL, io_status, segments, count, &offset, NULL );
511 if (status) SetLastError( RtlNtStatusToDosError(status) );
512 return !status;
513 }
514
515
516 /***********************************************************************
517 * WriteFile (KERNEL32.@)
518 */
519 BOOL WINAPI WriteFile( HANDLE hFile, LPCVOID buffer, DWORD bytesToWrite,
520 LPDWORD bytesWritten, LPOVERLAPPED overlapped )
521 {
522 HANDLE hEvent = NULL;
523 LARGE_INTEGER offset;
524 PLARGE_INTEGER poffset = NULL;
525 NTSTATUS status;
526 IO_STATUS_BLOCK iosb;
527 PIO_STATUS_BLOCK piosb = &iosb;
528 LPVOID cvalue = NULL;
529
530 TRACE("%p %p %d %p %p\n", hFile, buffer, bytesToWrite, bytesWritten, overlapped );
531
532 if (is_console_handle(hFile))
533 return WriteConsoleA(hFile, buffer, bytesToWrite, bytesWritten, NULL);
534
535 if (overlapped)
536 {
537 offset.u.LowPart = overlapped->u.s.Offset;
538 offset.u.HighPart = overlapped->u.s.OffsetHigh;
539 poffset = &offset;
540 hEvent = overlapped->hEvent;
541 piosb = (PIO_STATUS_BLOCK)overlapped;
542 if (((ULONG_PTR)hEvent & 1) == 0) cvalue = overlapped;
543 }
544 piosb->u.Status = STATUS_PENDING;
545 piosb->Information = 0;
546
547 status = NtWriteFile(hFile, hEvent, NULL, cvalue, piosb,
548 buffer, bytesToWrite, poffset, NULL);
549
550 if (status == STATUS_PENDING && !overlapped)
551 {
552 WaitForSingleObject( hFile, INFINITE );
553 status = piosb->u.Status;
554 }
555
556 if (status != STATUS_PENDING && bytesWritten)
557 *bytesWritten = piosb->Information;
558
559 if (status && status != STATUS_TIMEOUT)
560 {
561 SetLastError( RtlNtStatusToDosError(status) );
562 return FALSE;
563 }
564 return TRUE;
565 }
566
567
568 /***********************************************************************
569 * GetOverlappedResult (KERNEL32.@)
570 *
571 * Check the result of an Asynchronous data transfer from a file.
572 *
573 * Parameters
574 * HANDLE hFile [in] handle of file to check on
575 * LPOVERLAPPED lpOverlapped [in/out] pointer to overlapped
576 * LPDWORD lpTransferred [in/out] number of bytes transferred
577 * BOOL bWait [in] wait for the transfer to complete ?
578 *
579 * RETURNS
580 * TRUE on success
581 * FALSE on failure
582 *
583 * If successful (and relevant) lpTransferred will hold the number of
584 * bytes transferred during the async operation.
585 */
586 BOOL WINAPI GetOverlappedResult(HANDLE hFile, LPOVERLAPPED lpOverlapped,
587 LPDWORD lpTransferred, BOOL bWait)
588 {
589 NTSTATUS status;
590
591 TRACE( "(%p %p %p %x)\n", hFile, lpOverlapped, lpTransferred, bWait );
592
593 status = lpOverlapped->Internal;
594 if (status == STATUS_PENDING)
595 {
596 if (!bWait)
597 {
598 SetLastError( ERROR_IO_INCOMPLETE );
599 return FALSE;
600 }
601
602 if (WaitForSingleObject( lpOverlapped->hEvent ? lpOverlapped->hEvent : hFile,
603 INFINITE ) == WAIT_FAILED)
604 return FALSE;
605 status = lpOverlapped->Internal;
606 }
607
608 *lpTransferred = lpOverlapped->InternalHigh;
609
610 if (status) SetLastError( RtlNtStatusToDosError(status) );
611 return !status;
612 }
613
614 /***********************************************************************
615 * CancelIoEx (KERNEL32.@)
616 *
617 * Cancels pending I/O operations on a file given the overlapped used.
618 *
619 * PARAMS
620 * handle [I] File handle.
621 * lpOverlapped [I,OPT] pointer to overlapped (if null, cancel all)
622 *
623 * RETURNS
624 * Success: TRUE.
625 * Failure: FALSE, check GetLastError().
626 */
627 BOOL WINAPI CancelIoEx(HANDLE handle, LPOVERLAPPED lpOverlapped)
628 {
629 IO_STATUS_BLOCK io_status;
630
631 NtCancelIoFileEx(handle, (PIO_STATUS_BLOCK) lpOverlapped, &io_status);
632 if (io_status.u.Status)
633 {
634 SetLastError( RtlNtStatusToDosError( io_status.u.Status ) );
635 return FALSE;
636 }
637 return TRUE;
638 }
639
640 /***********************************************************************
641 * CancelIo (KERNEL32.@)
642 *
643 * Cancels pending I/O operations initiated by the current thread on a file.
644 *
645 * PARAMS
646 * handle [I] File handle.
647 *
648 * RETURNS
649 * Success: TRUE.
650 * Failure: FALSE, check GetLastError().
651 */
652 BOOL WINAPI CancelIo(HANDLE handle)
653 {
654 IO_STATUS_BLOCK io_status;
655
656 NtCancelIoFile(handle, &io_status);
657 if (io_status.u.Status)
658 {
659 SetLastError( RtlNtStatusToDosError( io_status.u.Status ) );
660 return FALSE;
661 }
662 return TRUE;
663 }
664
665 /***********************************************************************
666 * _hread (KERNEL32.@)
667 */
668 LONG WINAPI _hread( HFILE hFile, LPVOID buffer, LONG count)
669 {
670 return _lread( hFile, buffer, count );
671 }
672
673
674 /***********************************************************************
675 * _hwrite (KERNEL32.@)
676 *
677 * experimentation yields that _lwrite:
678 * o truncates the file at the current position with
679 * a 0 len write
680 * o returns 0 on a 0 length write
681 * o works with console handles
682 *
683 */
684 LONG WINAPI _hwrite( HFILE handle, LPCSTR buffer, LONG count )
685 {
686 DWORD result;
687
688 TRACE("%d %p %d\n", handle, buffer, count );
689
690 if (!count)
691 {
692 /* Expand or truncate at current position */
693 if (!SetEndOfFile( LongToHandle(handle) )) return HFILE_ERROR;
694 return 0;
695 }
696 if (!WriteFile( LongToHandle(handle), buffer, count, &result, NULL ))
697 return HFILE_ERROR;
698 return result;
699 }
700
701
702 /***********************************************************************
703 * _lclose (KERNEL32.@)
704 */
705 HFILE WINAPI _lclose( HFILE hFile )
706 {
707 TRACE("handle %d\n", hFile );
708 return CloseHandle( LongToHandle(hFile) ) ? 0 : HFILE_ERROR;
709 }
710
711
712 /***********************************************************************
713 * _lcreat (KERNEL32.@)
714 */
715 HFILE WINAPI _lcreat( LPCSTR path, INT attr )
716 {
717 HANDLE hfile;
718
719 /* Mask off all flags not explicitly allowed by the doc */
720 attr &= FILE_ATTRIBUTE_READONLY | FILE_ATTRIBUTE_HIDDEN | FILE_ATTRIBUTE_SYSTEM;
721 TRACE("%s %02x\n", path, attr );
722 hfile = CreateFileA( path, GENERIC_READ | GENERIC_WRITE,
723 FILE_SHARE_READ | FILE_SHARE_WRITE, NULL,
724 CREATE_ALWAYS, attr, 0 );
725 return HandleToLong(hfile);
726 }
727
728
729 /***********************************************************************
730 * _lopen (KERNEL32.@)
731 */
732 HFILE WINAPI _lopen( LPCSTR path, INT mode )
733 {
734 HANDLE hfile;
735
736 TRACE("(%s,%04x)\n", debugstr_a(path), mode );
737 hfile = create_file_OF( path, mode & ~OF_CREATE );
738 return HandleToLong(hfile);
739 }
740
741 /***********************************************************************
742 * _lread (KERNEL32.@)
743 */
744 UINT WINAPI _lread( HFILE handle, LPVOID buffer, UINT count )
745 {
746 DWORD result;
747 if (!ReadFile( LongToHandle(handle), buffer, count, &result, NULL ))
748 return HFILE_ERROR;
749 return result;
750 }
751
752
753 /***********************************************************************
754 * _llseek (KERNEL32.@)
755 */
756 LONG WINAPI _llseek( HFILE hFile, LONG lOffset, INT nOrigin )
757 {
758 return SetFilePointer( LongToHandle(hFile), lOffset, NULL, nOrigin );
759 }
760
761
762 /***********************************************************************
763 * _lwrite (KERNEL32.@)
764 */
765 UINT WINAPI _lwrite( HFILE hFile, LPCSTR buffer, UINT count )
766 {
767 return (UINT)_hwrite( hFile, buffer, (LONG)count );
768 }
769
770
771 /***********************************************************************
772 * FlushFileBuffers (KERNEL32.@)
773 */
774 BOOL WINAPI FlushFileBuffers( HANDLE hFile )
775 {
776 NTSTATUS nts;
777 IO_STATUS_BLOCK ioblk;
778
779 if (is_console_handle( hFile ))
780 {
781 /* this will fail (as expected) for an output handle */
782 return FlushConsoleInputBuffer( hFile );
783 }
784 nts = NtFlushBuffersFile( hFile, &ioblk );
785 if (nts != STATUS_SUCCESS)
786 {
787 SetLastError( RtlNtStatusToDosError( nts ) );
788 return FALSE;
789 }
790
791 return TRUE;
792 }
793
794
795 /***********************************************************************
796 * GetFileType (KERNEL32.@)
797 */
798 DWORD WINAPI GetFileType( HANDLE hFile )
799 {
800 FILE_FS_DEVICE_INFORMATION info;
801 IO_STATUS_BLOCK io;
802 NTSTATUS status;
803
804 if (is_console_handle( hFile )) return FILE_TYPE_CHAR;
805
806 status = NtQueryVolumeInformationFile( hFile, &io, &info, sizeof(info), FileFsDeviceInformation );
807 if (status != STATUS_SUCCESS)
808 {
809 SetLastError( RtlNtStatusToDosError(status) );
810 return FILE_TYPE_UNKNOWN;
811 }
812
813 switch(info.DeviceType)
814 {
815 case FILE_DEVICE_NULL:
816 case FILE_DEVICE_SERIAL_PORT:
817 case FILE_DEVICE_PARALLEL_PORT:
818 case FILE_DEVICE_TAPE:
819 case FILE_DEVICE_UNKNOWN:
820 return FILE_TYPE_CHAR;
821 case FILE_DEVICE_NAMED_PIPE:
822 return FILE_TYPE_PIPE;
823 default:
824 return FILE_TYPE_DISK;
825 }
826 }
827
828
829 /***********************************************************************
830 * GetFileInformationByHandle (KERNEL32.@)
831 */
832 BOOL WINAPI GetFileInformationByHandle( HANDLE hFile, BY_HANDLE_FILE_INFORMATION *info )
833 {
834 FILE_ALL_INFORMATION all_info;
835 IO_STATUS_BLOCK io;
836 NTSTATUS status;
837
838 status = NtQueryInformationFile( hFile, &io, &all_info, sizeof(all_info), FileAllInformation );
839 if (status == STATUS_BUFFER_OVERFLOW) status = STATUS_SUCCESS;
840 if (status == STATUS_SUCCESS)
841 {
842 info->dwFileAttributes = all_info.BasicInformation.FileAttributes;
843 info->ftCreationTime.dwHighDateTime = all_info.BasicInformation.CreationTime.u.HighPart;
844 info->ftCreationTime.dwLowDateTime = all_info.BasicInformation.CreationTime.u.LowPart;
845 info->ftLastAccessTime.dwHighDateTime = all_info.BasicInformation.LastAccessTime.u.HighPart;
846 info->ftLastAccessTime.dwLowDateTime = all_info.BasicInformation.LastAccessTime.u.LowPart;
847 info->ftLastWriteTime.dwHighDateTime = all_info.BasicInformation.LastWriteTime.u.HighPart;
848 info->ftLastWriteTime.dwLowDateTime = all_info.BasicInformation.LastWriteTime.u.LowPart;
849 info->dwVolumeSerialNumber = 0; /* FIXME */
850 info->nFileSizeHigh = all_info.StandardInformation.EndOfFile.u.HighPart;
851 info->nFileSizeLow = all_info.StandardInformation.EndOfFile.u.LowPart;
852 info->nNumberOfLinks = all_info.StandardInformation.NumberOfLinks;
853 info->nFileIndexHigh = all_info.InternalInformation.IndexNumber.u.HighPart;
854 info->nFileIndexLow = all_info.InternalInformation.IndexNumber.u.LowPart;
855 return TRUE;
856 }
857 SetLastError( RtlNtStatusToDosError(status) );
858 return FALSE;
859 }
860
861
862 /***********************************************************************
863 * GetFileSize (KERNEL32.@)
864 *
865 * Retrieve the size of a file.
866 *
867 * PARAMS
868 * hFile [I] File to retrieve size of.
869 * filesizehigh [O] On return, the high bits of the file size.
870 *
871 * RETURNS
872 * Success: The low bits of the file size.
873 * Failure: INVALID_FILE_SIZE. As this is could also be a success value,
874 * check GetLastError() for values other than ERROR_SUCCESS.
875 */
876 DWORD WINAPI GetFileSize( HANDLE hFile, LPDWORD filesizehigh )
877 {
878 LARGE_INTEGER size;
879 if (!GetFileSizeEx( hFile, &size )) return INVALID_FILE_SIZE;
880 if (filesizehigh) *filesizehigh = size.u.HighPart;
881 if (size.u.LowPart == INVALID_FILE_SIZE) SetLastError(0);
882 return size.u.LowPart;
883 }
884
885
886 /***********************************************************************
887 * GetFileSizeEx (KERNEL32.@)
888 *
889 * Retrieve the size of a file.
890 *
891 * PARAMS
892 * hFile [I] File to retrieve size of.
893 * lpFileSIze [O] On return, the size of the file.
894 *
895 * RETURNS
896 * Success: TRUE.
897 * Failure: FALSE, check GetLastError().
898 */
899 BOOL WINAPI GetFileSizeEx( HANDLE hFile, PLARGE_INTEGER lpFileSize )
900 {
901 FILE_STANDARD_INFORMATION info;
902 IO_STATUS_BLOCK io;
903 NTSTATUS status;
904
905 status = NtQueryInformationFile( hFile, &io, &info, sizeof(info), FileStandardInformation );
906 if (status == STATUS_SUCCESS)
907 {
908 *lpFileSize = info.EndOfFile;
909 return TRUE;
910 }
911 SetLastError( RtlNtStatusToDosError(status) );
912 return FALSE;
913 }
914
915
916 /**************************************************************************
917 * SetEndOfFile (KERNEL32.@)
918 *
919 * Sets the current position as the end of the file.
920 *
921 * PARAMS
922 * hFile [I] File handle.
923 *
924 * RETURNS
925 * Success: TRUE.
926 * Failure: FALSE, check GetLastError().
927 */
928 BOOL WINAPI SetEndOfFile( HANDLE hFile )
929 {
930 FILE_POSITION_INFORMATION pos;
931 FILE_END_OF_FILE_INFORMATION eof;
932 IO_STATUS_BLOCK io;
933 NTSTATUS status;
934
935 status = NtQueryInformationFile( hFile, &io, &pos, sizeof(pos), FilePositionInformation );
936 if (status == STATUS_SUCCESS)
937 {
938 eof.EndOfFile = pos.CurrentByteOffset;
939 status = NtSetInformationFile( hFile, &io, &eof, sizeof(eof), FileEndOfFileInformation );
940 }
941 if (status == STATUS_SUCCESS) return TRUE;
942 SetLastError( RtlNtStatusToDosError(status) );
943 return FALSE;
944 }
945
946
947 /***********************************************************************
948 * SetFilePointer (KERNEL32.@)
949 */
950 DWORD WINAPI SetFilePointer( HANDLE hFile, LONG distance, LONG *highword, DWORD method )
951 {
952 LARGE_INTEGER dist, newpos;
953
954 if (highword)
955 {
956 dist.u.LowPart = distance;
957 dist.u.HighPart = *highword;
958 }
959 else dist.QuadPart = distance;
960
961 if (!SetFilePointerEx( hFile, dist, &newpos, method )) return INVALID_SET_FILE_POINTER;
962
963 if (highword) *highword = newpos.u.HighPart;
964 if (newpos.u.LowPart == INVALID_SET_FILE_POINTER) SetLastError( 0 );
965 return newpos.u.LowPart;
966 }
967
968
969 /***********************************************************************
970 * SetFilePointerEx (KERNEL32.@)
971 */
972 BOOL WINAPI SetFilePointerEx( HANDLE hFile, LARGE_INTEGER distance,
973 LARGE_INTEGER *newpos, DWORD method )
974 {
975 LONGLONG pos;
976 IO_STATUS_BLOCK io;
977 FILE_POSITION_INFORMATION info;
978
979 switch(method)
980 {
981 case FILE_BEGIN:
982 pos = distance.QuadPart;
983 break;
984 case FILE_CURRENT:
985 if (NtQueryInformationFile( hFile, &io, &info, sizeof(info), FilePositionInformation ))
986 goto error;
987 pos = info.CurrentByteOffset.QuadPart + distance.QuadPart;
988 break;
989 case FILE_END:
990 {
991 FILE_END_OF_FILE_INFORMATION eof;
992 if (NtQueryInformationFile( hFile, &io, &eof, sizeof(eof), FileEndOfFileInformation ))
993 goto error;
994 pos = eof.EndOfFile.QuadPart + distance.QuadPart;
995 }
996 break;
997 default:
998 SetLastError( ERROR_INVALID_PARAMETER );
999 return FALSE;
1000 }
1001
1002 if (pos < 0)
1003 {
1004 SetLastError( ERROR_NEGATIVE_SEEK );
1005 return FALSE;
1006 }
1007
1008 info.CurrentByteOffset.QuadPart = pos;
1009 if (NtSetInformationFile( hFile, &io, &info, sizeof(info), FilePositionInformation ))
1010 goto error;
1011 if (newpos) newpos->QuadPart = pos;
1012 return TRUE;
1013
1014 error:
1015 SetLastError( RtlNtStatusToDosError(io.u.Status) );
1016 return FALSE;
1017 }
1018
1019 /***********************************************************************
1020 * SetFileValidData (KERNEL32.@)
1021 */
1022 BOOL WINAPI SetFileValidData( HANDLE hFile, LONGLONG ValidDataLength )
1023 {
1024 FIXME("stub: %p, %s\n", hFile, wine_dbgstr_longlong(ValidDataLength));
1025 SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
1026 return FALSE;
1027 }
1028
1029 /***********************************************************************
1030 * GetFileTime (KERNEL32.@)
1031 */
1032 BOOL WINAPI GetFileTime( HANDLE hFile, FILETIME *lpCreationTime,
1033 FILETIME *lpLastAccessTime, FILETIME *lpLastWriteTime )
1034 {
1035 FILE_BASIC_INFORMATION info;
1036 IO_STATUS_BLOCK io;
1037 NTSTATUS status;
1038
1039 status = NtQueryInformationFile( hFile, &io, &info, sizeof(info), FileBasicInformation );
1040 if (status == STATUS_SUCCESS)
1041 {
1042 if (lpCreationTime)
1043 {
1044 lpCreationTime->dwHighDateTime = info.CreationTime.u.HighPart;
1045 lpCreationTime->dwLowDateTime = info.CreationTime.u.LowPart;
1046 }
1047 if (lpLastAccessTime)
1048 {
1049 lpLastAccessTime->dwHighDateTime = info.LastAccessTime.u.HighPart;
1050 lpLastAccessTime->dwLowDateTime = info.LastAccessTime.u.LowPart;
1051 }
1052 if (lpLastWriteTime)
1053 {
1054 lpLastWriteTime->dwHighDateTime = info.LastWriteTime.u.HighPart;
1055 lpLastWriteTime->dwLowDateTime = info.LastWriteTime.u.LowPart;
1056 }
1057 return TRUE;
1058 }
1059 SetLastError( RtlNtStatusToDosError(status) );
1060 return FALSE;
1061 }
1062
1063
1064 /***********************************************************************
1065 * SetFileTime (KERNEL32.@)
1066 */
1067 BOOL WINAPI SetFileTime( HANDLE hFile, const FILETIME *ctime,
1068 const FILETIME *atime, const FILETIME *mtime )
1069 {
1070 FILE_BASIC_INFORMATION info;
1071 IO_STATUS_BLOCK io;
1072 NTSTATUS status;
1073
1074 memset( &info, 0, sizeof(info) );
1075 if (ctime)
1076 {
1077 info.CreationTime.u.HighPart = ctime->dwHighDateTime;
1078 info.CreationTime.u.LowPart = ctime->dwLowDateTime;
1079 }
1080 if (atime)
1081 {
1082 info.LastAccessTime.u.HighPart = atime->dwHighDateTime;
1083 info.LastAccessTime.u.LowPart = atime->dwLowDateTime;
1084 }
1085 if (mtime)
1086 {
1087 info.LastWriteTime.u.HighPart = mtime->dwHighDateTime;
1088 info.LastWriteTime.u.LowPart = mtime->dwLowDateTime;
1089 }
1090
1091 status = NtSetInformationFile( hFile, &io, &info, sizeof(info), FileBasicInformation );
1092 if (status == STATUS_SUCCESS) return TRUE;
1093 SetLastError( RtlNtStatusToDosError(status) );
1094 return FALSE;
1095 }
1096
1097
1098 /**************************************************************************
1099 * LockFile (KERNEL32.@)
1100 */
1101 BOOL WINAPI LockFile( HANDLE hFile, DWORD offset_low, DWORD offset_high,
1102 DWORD count_low, DWORD count_high )
1103 {
1104 NTSTATUS status;
1105 LARGE_INTEGER count, offset;
1106
1107 TRACE( "%p %x%08x %x%08x\n",
1108 hFile, offset_high, offset_low, count_high, count_low );
1109
1110 count.u.LowPart = count_low;
1111 count.u.HighPart = count_high;
1112 offset.u.LowPart = offset_low;
1113 offset.u.HighPart = offset_high;
1114
1115 status = NtLockFile( hFile, 0, NULL, NULL,
1116 NULL, &offset, &count, NULL, TRUE, TRUE );
1117
1118 if (status != STATUS_SUCCESS) SetLastError( RtlNtStatusToDosError(status) );
1119 return !status;
1120 }
1121
1122
1123 /**************************************************************************
1124 * LockFileEx [KERNEL32.@]
1125 *
1126 * Locks a byte range within an open file for shared or exclusive access.
1127 *
1128 * RETURNS
1129 * success: TRUE
1130 * failure: FALSE
1131 *
1132 * NOTES
1133 * Per Microsoft docs, the third parameter (reserved) must be set to 0.
1134 */
1135 BOOL WINAPI LockFileEx( HANDLE hFile, DWORD flags, DWORD reserved,
1136 DWORD count_low, DWORD count_high, LPOVERLAPPED overlapped )
1137 {
1138 NTSTATUS status;
1139 LARGE_INTEGER count, offset;
1140 LPVOID cvalue = NULL;
1141
1142 if (reserved)
1143 {
1144 SetLastError( ERROR_INVALID_PARAMETER );
1145 return FALSE;
1146 }
1147
1148 TRACE( "%p %x%08x %x%08x flags %x\n",
1149 hFile, overlapped->u.s.OffsetHigh, overlapped->u.s.Offset,
1150 count_high, count_low, flags );
1151
1152 count.u.LowPart = count_low;
1153 count.u.HighPart = count_high;
1154 offset.u.LowPart = overlapped->u.s.Offset;
1155 offset.u.HighPart = overlapped->u.s.OffsetHigh;
1156
1157 if (((ULONG_PTR)overlapped->hEvent & 1) == 0) cvalue = overlapped;
1158
1159 status = NtLockFile( hFile, overlapped->hEvent, NULL, cvalue,
1160 NULL, &offset, &count, NULL,
1161 flags & LOCKFILE_FAIL_IMMEDIATELY,
1162 flags & LOCKFILE_EXCLUSIVE_LOCK );
1163
1164 if (status) SetLastError( RtlNtStatusToDosError(status) );
1165 return !status;
1166 }
1167
1168
1169 /**************************************************************************
1170 * UnlockFile (KERNEL32.@)
1171 */
1172 BOOL WINAPI UnlockFile( HANDLE hFile, DWORD offset_low, DWORD offset_high,
1173 DWORD count_low, DWORD count_high )
1174 {
1175 NTSTATUS status;
1176 LARGE_INTEGER count, offset;
1177
1178 count.u.LowPart = count_low;
1179 count.u.HighPart = count_high;
1180 offset.u.LowPart = offset_low;
1181 offset.u.HighPart = offset_high;
1182
1183 status = NtUnlockFile( hFile, NULL, &offset, &count, NULL);
1184 if (status) SetLastError( RtlNtStatusToDosError(status) );
1185 return !status;
1186 }
1187
1188
1189 /**************************************************************************
1190 * UnlockFileEx (KERNEL32.@)
1191 */
1192 BOOL WINAPI UnlockFileEx( HANDLE hFile, DWORD reserved, DWORD count_low, DWORD count_high,
1193 LPOVERLAPPED overlapped )
1194 {
1195 if (reserved)
1196 {
1197 SetLastError( ERROR_INVALID_PARAMETER );
1198 return FALSE;
1199 }
1200 if (overlapped->hEvent) FIXME("Unimplemented overlapped operation\n");
1201
1202 return UnlockFile( hFile, overlapped->u.s.Offset, overlapped->u.s.OffsetHigh, count_low, count_high );
1203 }
1204
1205
1206 /*************************************************************************
1207 * SetHandleCount (KERNEL32.@)
1208 */
1209 UINT WINAPI SetHandleCount( UINT count )
1210 {
1211 return count;
1212 }
1213
1214
1215 /**************************************************************************
1216 * Operations on file names *
1217 **************************************************************************/
1218
1219
1220 /*************************************************************************
1221 * CreateFileW [KERNEL32.@] Creates or opens a file or other object
1222 *
1223 * Creates or opens an object, and returns a handle that can be used to
1224 * access that object.
1225 *
1226 * PARAMS
1227 *
1228 * filename [in] pointer to filename to be accessed
1229 * access [in] access mode requested
1230 * sharing [in] share mode
1231 * sa [in] pointer to security attributes
1232 * creation [in] how to create the file
1233 * attributes [in] attributes for newly created file
1234 * template [in] handle to file with extended attributes to copy
1235 *
1236 * RETURNS
1237 * Success: Open handle to specified file
1238 * Failure: INVALID_HANDLE_VALUE
1239 */
1240 HANDLE WINAPI CreateFileW( LPCWSTR filename, DWORD access, DWORD sharing,
1241 LPSECURITY_ATTRIBUTES sa, DWORD creation,
1242 DWORD attributes, HANDLE template )
1243 {
1244 NTSTATUS status;
1245 UINT options;
1246 OBJECT_ATTRIBUTES attr;
1247 UNICODE_STRING nameW;
1248 IO_STATUS_BLOCK io;
1249 HANDLE ret;
1250 DWORD dosdev;
1251 const WCHAR *vxd_name = NULL;
1252 static const WCHAR bkslashes_with_dotW[] = {'\\','\\','.','\\',0};
1253 static const WCHAR coninW[] = {'C','O','N','I','N','$',0};
1254 static const WCHAR conoutW[] = {'C','O','N','O','U','T','$',0};
1255 SECURITY_QUALITY_OF_SERVICE qos;
1256
1257 static const UINT nt_disposition[5] =
1258 {
1259 FILE_CREATE, /* CREATE_NEW */
1260 FILE_OVERWRITE_IF, /* CREATE_ALWAYS */
1261 FILE_OPEN, /* OPEN_EXISTING */
1262 FILE_OPEN_IF, /* OPEN_ALWAYS */
1263 FILE_OVERWRITE /* TRUNCATE_EXISTING */
1264 };
1265
1266
1267 /* sanity checks */
1268
1269 if (!filename || !filename[0])
1270 {
1271 SetLastError( ERROR_PATH_NOT_FOUND );
1272 return INVALID_HANDLE_VALUE;
1273 }
1274
1275 TRACE("%s %s%s%s%s%s%s%s creation %d attributes 0x%x\n", debugstr_w(filename),
1276 (access & GENERIC_READ)?"GENERIC_READ ":"",
1277 (access & GENERIC_WRITE)?"GENERIC_WRITE ":"",
1278 (access & GENERIC_EXECUTE)?"GENERIC_EXECUTE ":"",
1279 (!access)?"QUERY_ACCESS ":"",
1280 (sharing & FILE_SHARE_READ)?"FILE_SHARE_READ ":"",
1281 (sharing & FILE_SHARE_WRITE)?"FILE_SHARE_WRITE ":"",
1282 (sharing & FILE_SHARE_DELETE)?"FILE_SHARE_DELETE ":"",
1283 creation, attributes);
1284
1285 /* Open a console for CONIN$ or CONOUT$ */
1286
1287 if (!strcmpiW(filename, coninW) || !strcmpiW(filename, conoutW))
1288 {
1289 ret = OpenConsoleW(filename, access, (sa && sa->bInheritHandle), creation);
1290 goto done;
1291 }
1292
1293 if (!strncmpW(filename, bkslashes_with_dotW, 4))
1294 {
1295 static const WCHAR pipeW[] = {'P','I','P','E','\\',0};
1296 static const WCHAR mailslotW[] = {'M','A','I','L','S','L','O','T','\\',0};
1297
1298 if ((isalphaW(filename[4]) && filename[5] == ':' && filename[6] == '\0') ||
1299 !strncmpiW( filename + 4, pipeW, 5 ) ||
1300 !strncmpiW( filename + 4, mailslotW, 9 ))
1301 {
1302 dosdev = 0;
1303 }
1304 else if ((dosdev = RtlIsDosDeviceName_U( filename + 4 )))
1305 {
1306 dosdev += MAKELONG( 0, 4*sizeof(WCHAR) ); /* adjust position to start of filename */
1307 }
1308 else if (GetVersion() & 0x80000000)
1309 {
1310 vxd_name = filename + 4;
1311 }
1312 }
1313 else dosdev = RtlIsDosDeviceName_U( filename );
1314
1315 if (dosdev)
1316 {
1317 static const WCHAR conW[] = {'C','O','N'};
1318
1319 if (LOWORD(dosdev) == sizeof(conW) &&
1320 !memicmpW( filename + HIWORD(dosdev)/sizeof(WCHAR), conW, sizeof(conW)/sizeof(WCHAR)))
1321 {
1322 switch (access & (GENERIC_READ|GENERIC_WRITE))
1323 {
1324 case GENERIC_READ:
1325 ret = OpenConsoleW(coninW, access, (sa && sa->bInheritHandle), OPEN_EXISTING);
1326 goto done;
1327 case GENERIC_WRITE:
1328 ret = OpenConsoleW(conoutW, access, (sa && sa->bInheritHandle), OPEN_EXISTING);
1329 goto done;
1330 default:
1331 SetLastError( ERROR_FILE_NOT_FOUND );
1332 return INVALID_HANDLE_VALUE;
1333 }
1334 }
1335 }
1336
1337 if (creation < CREATE_NEW || creation > TRUNCATE_EXISTING)
1338 {
1339 SetLastError( ERROR_INVALID_PARAMETER );
1340 return INVALID_HANDLE_VALUE;
1341 }
1342
1343 if (!RtlDosPathNameToNtPathName_U( filename, &nameW, NULL, NULL ))
1344 {
1345 SetLastError( ERROR_PATH_NOT_FOUND );
1346 return INVALID_HANDLE_VALUE;
1347 }
1348
1349 /* now call NtCreateFile */
1350
1351 options = 0;
1352 if (attributes & FILE_FLAG_BACKUP_SEMANTICS)
1353 options |= FILE_OPEN_FOR_BACKUP_INTENT;
1354 else
1355 options |= FILE_NON_DIRECTORY_FILE;
1356 if (attributes & FILE_FLAG_DELETE_ON_CLOSE)
1357 {
1358 options |= FILE_DELETE_ON_CLOSE;
1359 access |= DELETE;
1360 }
1361 if (attributes & FILE_FLAG_NO_BUFFERING)
1362 options |= FILE_NO_INTERMEDIATE_BUFFERING;
1363 if (!(attributes & FILE_FLAG_OVERLAPPED))
1364 options |= FILE_SYNCHRONOUS_IO_NONALERT;
1365 if (attributes & FILE_FLAG_RANDOM_ACCESS)
1366 options |= FILE_RANDOM_ACCESS;
1367 attributes &= FILE_ATTRIBUTE_VALID_FLAGS;
1368
1369 attr.Length = sizeof(attr);
1370 attr.RootDirectory = 0;
1371 attr.Attributes = OBJ_CASE_INSENSITIVE;
1372 attr.ObjectName = &nameW;
1373 attr.SecurityDescriptor = sa ? sa->lpSecurityDescriptor : NULL;
1374 if (attributes & SECURITY_SQOS_PRESENT)
1375 {
1376 qos.Length = sizeof(qos);
1377 qos.ImpersonationLevel = (attributes >> 16) & 0x3;
1378 qos.ContextTrackingMode = attributes & SECURITY_CONTEXT_TRACKING ? SECURITY_DYNAMIC_TRACKING : SECURITY_STATIC_TRACKING;
1379 qos.EffectiveOnly = attributes & SECURITY_EFFECTIVE_ONLY ? TRUE : FALSE;
1380 attr.SecurityQualityOfService = &qos;
1381 }
1382 else
1383 attr.SecurityQualityOfService = NULL;
1384
1385 if (sa && sa->bInheritHandle) attr.Attributes |= OBJ_INHERIT;
1386
1387 status = NtCreateFile( &ret, access, &attr, &io, NULL, attributes,
1388 sharing, nt_disposition[creation - CREATE_NEW],
1389 options, NULL, 0 );
1390 if (status)
1391 {
1392 if (vxd_name && vxd_name[0])
1393 {
1394 static HANDLE (*vxd_open)(LPCWSTR,DWORD,SECURITY_ATTRIBUTES*);
1395 if (!vxd_open) vxd_open = (void *)GetProcAddress( GetModuleHandleA("krnl386.exe16"),
1396 "__wine_vxd_open" );
1397 if (vxd_open && (ret = vxd_open( vxd_name, access, sa ))) goto done;
1398 }
1399
1400 WARN("Unable to create file %s (status %x)\n", debugstr_w(filename), status);
1401 ret = INVALID_HANDLE_VALUE;
1402
1403 /* In the case file creation was rejected due to CREATE_NEW flag
1404 * was specified and file with that name already exists, correct
1405 * last error is ERROR_FILE_EXISTS and not ERROR_ALREADY_EXISTS.
1406 * Note: RtlNtStatusToDosError is not the subject to blame here.
1407 */
1408 if (status == STATUS_OBJECT_NAME_COLLISION)
1409 SetLastError( ERROR_FILE_EXISTS );
1410 else
1411 SetLastError( RtlNtStatusToDosError(status) );
1412 }
1413 else
1414 {
1415 if ((creation == CREATE_ALWAYS && io.Information == FILE_OVERWRITTEN) ||
1416 (creation == OPEN_ALWAYS && io.Information == FILE_OPENED))
1417 SetLastError( ERROR_ALREADY_EXISTS );
1418 else
1419 SetLastError( 0 );
1420 }
1421 RtlFreeUnicodeString( &nameW );
1422
1423 done:
1424 if (!ret) ret = INVALID_HANDLE_VALUE;
1425 TRACE("returning %p\n", ret);
1426 return ret;
1427 }
1428
1429
1430
1431 /*************************************************************************
1432 * CreateFileA (KERNEL32.@)
1433 *
1434 * See CreateFileW.
1435 */
1436 HANDLE WINAPI CreateFileA( LPCSTR filename, DWORD access, DWORD sharing,
1437 LPSECURITY_ATTRIBUTES sa, DWORD creation,
1438 DWORD attributes, HANDLE template)
1439 {
1440 WCHAR *nameW;
1441
1442 if (!(nameW = FILE_name_AtoW( filename, FALSE ))) return INVALID_HANDLE_VALUE;
1443 return CreateFileW( nameW, access, sharing, sa, creation, attributes, template );
1444 }
1445
1446
1447 /***********************************************************************
1448 * DeleteFileW (KERNEL32.@)
1449 *
1450 * Delete a file.
1451 *
1452 * PARAMS
1453 * path [I] Path to the file to delete.
1454 *
1455 * RETURNS
1456 * Success: TRUE.
1457 * Failure: FALSE, check GetLastError().
1458 */
1459 BOOL WINAPI DeleteFileW( LPCWSTR path )
1460 {
1461 UNICODE_STRING nameW;
1462 OBJECT_ATTRIBUTES attr;
1463 NTSTATUS status;
1464 HANDLE hFile;
1465 IO_STATUS_BLOCK io;
1466
1467 TRACE("%s\n", debugstr_w(path) );
1468
1469 if (!RtlDosPathNameToNtPathName_U( path, &nameW, NULL, NULL ))
1470 {
1471 SetLastError( ERROR_PATH_NOT_FOUND );
1472 return FALSE;
1473 }
1474
1475 attr.Length = sizeof(attr);
1476 attr.RootDirectory = 0;
1477 attr.Attributes = OBJ_CASE_INSENSITIVE;
1478 attr.ObjectName = &nameW;
1479 attr.SecurityDescriptor = NULL;
1480 attr.SecurityQualityOfService = NULL;
1481
1482 status = NtCreateFile(&hFile, GENERIC_READ | GENERIC_WRITE | DELETE,
1483 &attr, &io, NULL, 0,
1484 FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
1485 FILE_OPEN, FILE_DELETE_ON_CLOSE | FILE_NON_DIRECTORY_FILE, NULL, 0);
1486 if (status == STATUS_SUCCESS) status = NtClose(hFile);
1487
1488 RtlFreeUnicodeString( &nameW );
1489 if (status)
1490 {
1491 SetLastError( RtlNtStatusToDosError(status) );
1492 return FALSE;
1493 }
1494 return TRUE;
1495 }
1496
1497
1498 /***********************************************************************
1499 * DeleteFileA (KERNEL32.@)
1500 *
1501 * See DeleteFileW.
1502 */
1503 BOOL WINAPI DeleteFileA( LPCSTR path )
1504 {
1505 WCHAR *pathW;
1506
1507 if (!(pathW = FILE_name_AtoW( path, FALSE ))) return FALSE;
1508 return DeleteFileW( pathW );
1509 }
1510
1511
1512 /**************************************************************************
1513 * ReplaceFileW (KERNEL32.@)
1514 * ReplaceFile (KERNEL32.@)
1515 */
1516 BOOL WINAPI ReplaceFileW(LPCWSTR lpReplacedFileName, LPCWSTR lpReplacementFileName,
1517 LPCWSTR lpBackupFileName, DWORD dwReplaceFlags,
1518 LPVOID lpExclude, LPVOID lpReserved)
1519 {
1520 UNICODE_STRING nt_replaced_name, nt_replacement_name;
1521 ANSI_STRING unix_replaced_name, unix_replacement_name, unix_backup_name;
1522 HANDLE hReplaced = NULL, hReplacement = NULL, hBackup = NULL;
1523 DWORD error = ERROR_SUCCESS;
1524 UINT replaced_flags;
1525 BOOL ret = FALSE;
1526 NTSTATUS status;
1527 IO_STATUS_BLOCK io;
1528 OBJECT_ATTRIBUTES attr;
1529
1530 TRACE("%s %s %s 0x%08x %p %p\n", debugstr_w(lpReplacedFileName),
1531 debugstr_w(lpReplacementFileName), debugstr_w(lpBackupFileName),
1532 dwReplaceFlags, lpExclude, lpReserved);
1533
1534 if (dwReplaceFlags)
1535 FIXME("Ignoring flags %x\n", dwReplaceFlags);
1536
1537 /* First two arguments are mandatory */
1538 if (!lpReplacedFileName || !lpReplacementFileName)
1539 {
1540 SetLastError(ERROR_INVALID_PARAMETER);
1541 return FALSE;
1542 }
1543
1544 unix_replaced_name.Buffer = NULL;
1545 unix_replacement_name.Buffer = NULL;
1546 unix_backup_name.Buffer = NULL;
1547
1548 attr.Length = sizeof(attr);
1549 attr.RootDirectory = 0;
1550 attr.Attributes = OBJ_CASE_INSENSITIVE;
1551 attr.ObjectName = NULL;
1552 attr.SecurityDescriptor = NULL;
1553 attr.SecurityQualityOfService = NULL;
1554
1555 /* Open the "replaced" file for reading and writing */
1556 if (!(RtlDosPathNameToNtPathName_U(lpReplacedFileName, &nt_replaced_name, NULL, NULL)))
1557 {
1558 error = ERROR_PATH_NOT_FOUND;
1559 goto fail;
1560 }
1561 replaced_flags = lpBackupFileName ? FILE_OPEN : FILE_OPEN_IF;
1562 attr.ObjectName = &nt_replaced_name;
1563 status = NtOpenFile(&hReplaced, GENERIC_READ|GENERIC_WRITE|DELETE|SYNCHRONIZE,
1564 &attr, &io,
1565 FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE,
1566 FILE_SYNCHRONOUS_IO_NONALERT|FILE_NON_DIRECTORY_FILE);
1567 if (status == STATUS_SUCCESS)
1568 status = wine_nt_to_unix_file_name(&nt_replaced_name, &unix_replaced_name, replaced_flags, FALSE);
1569 RtlFreeUnicodeString(&nt_replaced_name);
1570 if (status != STATUS_SUCCESS)
1571 {
1572 if (status == STATUS_OBJECT_NAME_NOT_FOUND)
1573 error = ERROR_FILE_NOT_FOUND;
1574 else
1575 error = ERROR_UNABLE_TO_REMOVE_REPLACED;
1576 goto fail;
1577 }
1578
1579 /*
1580 * Open the replacement file for reading, writing, and deleting
1581 * (writing and deleting are needed when finished)
1582 */
1583 if (!(RtlDosPathNameToNtPathName_U(lpReplacementFileName, &nt_replacement_name, NULL, NULL)))
1584 {
1585 error = ERROR_PATH_NOT_FOUND;
1586 goto fail;
1587 }
1588 attr.ObjectName = &nt_replacement_name;
1589 status = NtOpenFile(&hReplacement,
1590 GENERIC_READ|GENERIC_WRITE|DELETE|WRITE_DAC|SYNCHRONIZE,
1591 &attr, &io, 0,
1592 FILE_SYNCHRONOUS_IO_NONALERT|FILE_NON_DIRECTORY_FILE);
1593 if (status == STATUS_SUCCESS)
1594 status = wine_nt_to_unix_file_name(&nt_replacement_name, &unix_replacement_name, FILE_OPEN, FALSE);
1595 RtlFreeUnicodeString(&nt_replacement_name);
1596 if (status != STATUS_SUCCESS)
1597 {
1598 error = RtlNtStatusToDosError(status);
1599 goto fail;
1600 }
1601
1602 /* If the user wants a backup then that needs to be performed first */
1603 if (lpBackupFileName)
1604 {
1605 UNICODE_STRING nt_backup_name;
1606 FILE_BASIC_INFORMATION replaced_info;
1607
1608 /* Obtain the file attributes from the "replaced" file */
1609 status = NtQueryInformationFile(hReplaced, &io, &replaced_info,
1610 sizeof(replaced_info),
1611 FileBasicInformation);
1612 if (status != STATUS_SUCCESS)
1613 {
1614 error = RtlNtStatusToDosError(status);
1615 goto fail;
1616 }
1617
1618 if (!(RtlDosPathNameToNtPathName_U(lpBackupFileName, &nt_backup_name, NULL, NULL)))
1619 {
1620 error = ERROR_PATH_NOT_FOUND;
1621 goto fail;
1622 }
1623 attr.ObjectName = &nt_backup_name;
1624 /* Open the backup with permissions to write over it */
1625 status = NtCreateFile(&hBackup, GENERIC_WRITE,
1626 &attr, &io, NULL, replaced_info.FileAttributes,
1627 FILE_SHARE_WRITE, FILE_OPEN_IF,
1628 FILE_SYNCHRONOUS_IO_NONALERT|FILE_NON_DIRECTORY_FILE,
1629 NULL, 0);
1630 if (status == STATUS_SUCCESS)
1631 status = wine_nt_to_unix_file_name(&nt_backup_name, &unix_backup_name, FILE_OPEN_IF, FALSE);
1632 RtlFreeUnicodeString(&nt_backup_name);
1633 if (status != STATUS_SUCCESS)
1634 {
1635 error = RtlNtStatusToDosError(status);
1636 goto fail;
1637 }
1638
1639 /* If an existing backup exists then copy over it */
1640 if (rename(unix_replaced_name.Buffer, unix_backup_name.Buffer) == -1)
1641 {
1642 error = ERROR_UNABLE_TO_REMOVE_REPLACED; /* is this correct? */
1643 goto fail;
1644 }
1645 }
1646
1647 /*
1648 * Now that the backup has been performed (if requested), copy the replacement
1649 * into place
1650 */
1651 if (rename(unix_replacement_name.Buffer, unix_replaced_name.Buffer) == -1)
1652 {
1653 if (errno == EACCES)
1654 {
1655 /* Inappropriate permissions on "replaced", rename will fail */
1656 error = ERROR_UNABLE_TO_REMOVE_REPLACED;
1657 goto fail;
1658 }
1659 /* on failure we need to indicate whether a backup was made */
1660 if (!lpBackupFileName)
1661 error = ERROR_UNABLE_TO_MOVE_REPLACEMENT;
1662 else
1663 error = ERROR_UNABLE_TO_MOVE_REPLACEMENT_2;
1664 goto fail;
1665 }
1666 /* Success! */
1667 ret = TRUE;
1668
1669 /* Perform resource cleanup */
1670 fail:
1671 if (hBackup) CloseHandle(hBackup);
1672 if (hReplaced) CloseHandle(hReplaced);
1673 if (hReplacement) CloseHandle(hReplacement);
1674 RtlFreeAnsiString(&unix_backup_name);
1675 RtlFreeAnsiString(&unix_replacement_name);
1676 RtlFreeAnsiString(&unix_replaced_name);
1677
1678 /* If there was an error, set the error code */
1679 if(!ret)
1680 SetLastError(error);
1681 return ret;
1682 }
1683
1684
1685 /**************************************************************************
1686 * ReplaceFileA (KERNEL32.@)
1687 */
1688 BOOL WINAPI ReplaceFileA(LPCSTR lpReplacedFileName,LPCSTR lpReplacementFileName,
1689 LPCSTR lpBackupFileName, DWORD dwReplaceFlags,
1690 LPVOID lpExclude, LPVOID lpReserved)
1691 {
1692 WCHAR *replacedW, *replacementW, *backupW = NULL;
1693 BOOL ret;
1694
1695 /* This function only makes sense when the first two parameters are defined */
1696 if (!lpReplacedFileName || !(replacedW = FILE_name_AtoW( lpReplacedFileName, TRUE )))
1697 {
1698 SetLastError(ERROR_INVALID_PARAMETER);
1699 return FALSE;
1700 }
1701 if (!lpReplacementFileName || !(replacementW = FILE_name_AtoW( lpReplacementFileName, TRUE )))
1702 {
1703 HeapFree( GetProcessHeap(), 0, replacedW );
1704 SetLastError(ERROR_INVALID_PARAMETER);
1705 return FALSE;
1706 }
1707 /* The backup parameter, however, is optional */
1708 if (lpBackupFileName)
1709 {
1710 if (!(backupW = FILE_name_AtoW( lpBackupFileName, TRUE )))
1711 {
1712 HeapFree( GetProcessHeap(), 0, replacedW );
1713 HeapFree( GetProcessHeap(), 0, replacementW );
1714 SetLastError(ERROR_INVALID_PARAMETER);
1715 return FALSE;
1716 }
1717 }
1718 ret = ReplaceFileW( replacedW, replacementW, backupW, dwReplaceFlags, lpExclude, lpReserved );
1719 HeapFree( GetProcessHeap(), 0, replacedW );
1720 HeapFree( GetProcessHeap(), 0, replacementW );
1721 HeapFree( GetProcessHeap(), 0, backupW );
1722 return ret;
1723 }
1724
1725
1726 /*************************************************************************
1727 * FindFirstFileExW (KERNEL32.@)
1728 *
1729 * NOTE: The FindExSearchLimitToDirectories is ignored - it gives the same
1730 * results as FindExSearchNameMatch
1731 */
1732 HANDLE WINAPI FindFirstFileExW( LPCWSTR filename, FINDEX_INFO_LEVELS level,
1733 LPVOID data, FINDEX_SEARCH_OPS search_op,
1734 LPVOID filter, DWORD flags)
1735 {
1736 WCHAR *mask, *p;
1737 FIND_FIRST_INFO *info = NULL;
1738 UNICODE_STRING nt_name;
1739 OBJECT_ATTRIBUTES attr;
1740 IO_STATUS_BLOCK io;
1741 NTSTATUS status;
1742 DWORD device = 0;
1743
1744 TRACE("%s %d %p %d %p %x\n", debugstr_w(filename), level, data, search_op, filter, flags);
1745
1746 if ((search_op != FindExSearchNameMatch && search_op != FindExSearchLimitToDirectories)
1747 || flags != 0)
1748 {
1749 FIXME("options not implemented 0x%08x 0x%08x\n", search_op, flags );
1750 return INVALID_HANDLE_VALUE;
1751 }
1752 if (level != FindExInfoStandard)
1753 {
1754 FIXME("info level %d not implemented\n", level );
1755 return INVALID_HANDLE_VALUE;
1756 }
1757
1758 if (!RtlDosPathNameToNtPathName_U( filename, &nt_name, &mask, NULL ))
1759 {
1760 SetLastError( ERROR_PATH_NOT_FOUND );
1761 return INVALID_HANDLE_VALUE;
1762 }
1763
1764 if (!(info = HeapAlloc( GetProcessHeap(), 0, sizeof(*info))))
1765 {
1766 SetLastError( ERROR_NOT_ENOUGH_MEMORY );
1767 goto error;
1768 }
1769
1770 if (!mask && (device = RtlIsDosDeviceName_U( filename )))
1771 {
1772 static const WCHAR dotW[] = {'.',0};
1773 WCHAR *dir = NULL;
1774
1775 /* we still need to check that the directory can be opened */
1776
1777 if (HIWORD(device))
1778 {
1779 if (!(dir = HeapAlloc( GetProcessHeap(), 0, HIWORD(device) + sizeof(WCHAR) )))
1780 {
1781 SetLastError( ERROR_NOT_ENOUGH_MEMORY );
1782 goto error;
1783 }
1784 memcpy( dir, filename, HIWORD(device) );
1785 dir[HIWORD(device)/sizeof(WCHAR)] = 0;
1786 }
1787 RtlFreeUnicodeString( &nt_name );
1788 if (!RtlDosPathNameToNtPathName_U( dir ? dir : dotW, &nt_name, &mask, NULL ))
1789 {
1790 HeapFree( GetProcessHeap(), 0, dir );
1791 SetLastError( ERROR_PATH_NOT_FOUND );
1792 goto error;
1793 }
1794 HeapFree( GetProcessHeap(), 0, dir );
1795 RtlInitUnicodeString( &info->mask, NULL );
1796 }
1797 else if (!mask || !*mask)
1798 {
1799 SetLastError( ERROR_FILE_NOT_FOUND );
1800 goto error;
1801 }
1802 else
1803 {
1804 if (!RtlCreateUnicodeString( &info->mask, mask ))
1805 {
1806 SetLastError( ERROR_NOT_ENOUGH_MEMORY );
1807 goto error;
1808 }
1809
1810 /* truncate dir name before mask */
1811 *mask = 0;
1812 nt_name.Length = (mask - nt_name.Buffer) * sizeof(WCHAR);
1813 }
1814
1815 /* check if path is the root of the drive */
1816 info->is_root = FALSE;
1817 p = nt_name.Buffer + 4; /* skip \??\ prefix */
1818 if (p[0] && p[1] == ':')
1819 {
1820 p += 2;
1821 while (*p == '\\') p++;
1822 info->is_root = (*p == 0);
1823 }
1824
1825 attr.Length = sizeof(attr);
1826 attr.RootDirectory = 0;
1827 attr.Attributes = OBJ_CASE_INSENSITIVE;
1828 attr.ObjectName = &nt_name;
1829 attr.SecurityDescriptor = NULL;
1830 attr.SecurityQualityOfService = NULL;
1831
1832 status = NtOpenFile( &info->handle, GENERIC_READ, &attr, &io,
1833 FILE_SHARE_READ | FILE_SHARE_WRITE,
1834 FILE_DIRECTORY_FILE | FILE_SYNCHRONOUS_IO_NONALERT );
1835
1836 if (status != STATUS_SUCCESS)
1837 {
1838 RtlFreeUnicodeString( &info->mask );
1839 if (status == STATUS_OBJECT_NAME_NOT_FOUND)
1840 SetLastError( ERROR_PATH_NOT_FOUND );
1841 else
1842 SetLastError( RtlNtStatusToDosError(status) );
1843 goto error;
1844 }
1845
1846 RtlInitializeCriticalSection( &info->cs );
1847 info->cs.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": FIND_FIRST_INFO.cs");
1848 info->path = nt_name;
1849 info->magic = FIND_FIRST_MAGIC;
1850 info->data_pos = 0;
1851 info->data_len = 0;
1852 info->search_op = search_op;
1853
1854 if (device)
1855 {
1856 WIN32_FIND_DATAW *wfd = data;
1857
1858 memset( wfd, 0, sizeof(*wfd) );
1859 memcpy( wfd->cFileName, filename + HIWORD(device)/sizeof(WCHAR), LOWORD(device) );
1860 wfd->dwFileAttributes = FILE_ATTRIBUTE_ARCHIVE;
1861 CloseHandle( info->handle );
1862 info->handle = 0;
1863 }
1864 else
1865 {
1866 IO_STATUS_BLOCK io;
1867
1868 NtQueryDirectoryFile( info->handle, 0, NULL, NULL, &io, info->data, sizeof(info->data),
1869 FileBothDirectoryInformation, FALSE, &info->mask, TRUE );
1870 if (io.u.Status)
1871 {
1872 FindClose( info );
1873 SetLastError( RtlNtStatusToDosError( io.u.Status ) );
1874 return INVALID_HANDLE_VALUE;
1875 }
1876 info->data_len = io.Information;
1877 if (!FindNextFileW( info, data ))
1878 {
1879 TRACE( "%s not found\n", debugstr_w(filename) );
1880 FindClose( info );
1881 SetLastError( ERROR_FILE_NOT_FOUND );
1882 return INVALID_HANDLE_VALUE;
1883 }
1884 if (!strpbrkW( info->mask.Buffer, wildcardsW ))
1885 {
1886 /* we can't find two files with the same name */
1887 CloseHandle( info->handle );
1888 info->handle = 0;
1889 }
1890 }
1891 return info;
1892
1893 error:
1894 HeapFree( GetProcessHeap(), 0, info );
1895 RtlFreeUnicodeString( &nt_name );
1896 return INVALID_HANDLE_VALUE;
1897 }
1898
1899
1900 /*************************************************************************
1901 * FindNextFileW (KERNEL32.@)
1902 */
1903 BOOL WINAPI FindNextFileW( HANDLE handle, WIN32_FIND_DATAW *data )
1904 {
1905 FIND_FIRST_INFO *info;
1906 FILE_BOTH_DIR_INFORMATION *dir_info;
1907 BOOL ret = FALSE;
1908
1909 TRACE("%p %p\n", handle, data);
1910
1911 if (!handle || handle == INVALID_HANDLE_VALUE)
1912 {
1913 SetLastError( ERROR_INVALID_HANDLE );
1914 return ret;
1915 }
1916 info = handle;
1917 if (info->magic != FIND_FIRST_MAGIC)
1918 {
1919 SetLastError( ERROR_INVALID_HANDLE );
1920 return ret;
1921 }
1922
1923 RtlEnterCriticalSection( &info->cs );
1924
1925 if (!info->handle) SetLastError( ERROR_NO_MORE_FILES );
1926 else for (;;)
1927 {
1928 if (info->data_pos >= info->data_len) /* need to read some more data */
1929 {
1930 IO_STATUS_BLOCK io;
1931
1932 NtQueryDirectoryFile( info->handle, 0, NULL, NULL, &io, info->data, sizeof(info->data),
1933 FileBothDirectoryInformation, FALSE, &info->mask, FALSE );
1934 if (io.u.Status)
1935 {
1936 SetLastError( RtlNtStatusToDosError( io.u.Status ) );
1937 if (io.u.Status == STATUS_NO_MORE_FILES)
1938 {
1939 CloseHandle( info->handle );
1940 info->handle = 0;
1941 }
1942 break;
1943 }
1944 info->data_len = io.Information;
1945 info->data_pos = 0;
1946 }
1947
1948 dir_info = (FILE_BOTH_DIR_INFORMATION *)(info->data + info->data_pos);
1949
1950 if (dir_info->NextEntryOffset) info->data_pos += dir_info->NextEntryOffset;
1951 else info->data_pos = info->data_len;
1952
1953 /* don't return '.' and '..' in the root of the drive */
1954 if (info->is_root)
1955 {
1956 if (dir_info->FileNameLength == sizeof(WCHAR) && dir_info->FileName[0] == '.') continue;
1957 if (dir_info->FileNameLength == 2 * sizeof(WCHAR) &&
1958 dir_info->FileName[0] == '.' && dir_info->FileName[1] == '.') continue;
1959 }
1960
1961 /* check for dir symlink */
1962 if ((dir_info->FileAttributes & FILE_ATTRIBUTE_DIRECTORY) &&
1963 (dir_info->FileAttributes & FILE_ATTRIBUTE_REPARSE_POINT) &&
1964 strpbrkW( info->mask.Buffer, wildcardsW ))
1965 {
1966 if (!check_dir_symlink( info, dir_info )) continue;
1967 }
1968
1969 data->dwFileAttributes = dir_info->FileAttributes;
1970 data->ftCreationTime = *(FILETIME *)&dir_info->CreationTime;
1971 data->ftLastAccessTime = *(FILETIME *)&dir_info->LastAccessTime;
1972 data->ftLastWriteTime = *(FILETIME *)&dir_info->LastWriteTime;
1973 data->nFileSizeHigh = dir_info->EndOfFile.QuadPart >> 32;
1974 data->nFileSizeLow = (DWORD)dir_info->EndOfFile.QuadPart;
1975 data->dwReserved0 = 0;
1976 data->dwReserved1 = 0;
1977
1978 memcpy( data->cFileName, dir_info->FileName, dir_info->FileNameLength );
1979 data->cFileName[dir_info->FileNameLength/sizeof(WCHAR)] = 0;
1980 memcpy( data->cAlternateFileName, dir_info->ShortName, dir_info->ShortNameLength );
1981 data->cAlternateFileName[dir_info->ShortNameLength/sizeof(WCHAR)] = 0;
1982
1983 TRACE("returning %s (%s)\n",
1984 debugstr_w(data->cFileName), debugstr_w(data->cAlternateFileName) );
1985
1986 ret = TRUE;
1987 break;
1988 }
1989
1990 RtlLeaveCriticalSection( &info->cs );
1991 return ret;
1992 }
1993
1994
1995 /*************************************************************************
1996 * FindClose (KERNEL32.@)
1997 */
1998 BOOL WINAPI FindClose( HANDLE handle )
1999 {
2000 FIND_FIRST_INFO *info = handle;
2001
2002 if (!handle || handle == INVALID_HANDLE_VALUE)
2003 {
2004 SetLastError( ERROR_INVALID_HANDLE );
2005 return FALSE;
2006 }
2007
2008 __TRY
2009 {
2010 if (info->magic == FIND_FIRST_MAGIC)
2011 {
2012 RtlEnterCriticalSection( &info->cs );
2013 if (info->magic == FIND_FIRST_MAGIC) /* in case someone else freed it in the meantime */
2014 {
2015 info->magic = 0;
2016 if (info->handle) CloseHandle( info->handle );
2017 info->handle = 0;
2018 RtlFreeUnicodeString( &info->mask );
2019 info->mask.Buffer = NULL;
2020 RtlFreeUnicodeString( &info->path );
2021 info->data_pos = 0;
2022 info->data_len = 0;
2023 RtlLeaveCriticalSection( &info->cs );
2024 info->cs.DebugInfo->Spare[0] = 0;
2025 RtlDeleteCriticalSection( &info->cs );
2026 HeapFree( GetProcessHeap(), 0, info );
2027 }
2028 }
2029 }
2030 __EXCEPT_PAGE_FAULT
2031 {
2032 WARN("Illegal handle %p\n", handle);
2033 SetLastError( ERROR_INVALID_HANDLE );
2034 return FALSE;
2035 }
2036 __ENDTRY
2037
2038 return TRUE;
2039 }
2040
2041
2042 /*************************************************************************
2043 * FindFirstFileA (KERNEL32.@)
2044 */
2045 HANDLE WINAPI FindFirstFileA( LPCSTR lpFileName, WIN32_FIND_DATAA *lpFindData )
2046 {
2047 return FindFirstFileExA(lpFileName, FindExInfoStandard, lpFindData,
2048 FindExSearchNameMatch, NULL, 0);
2049 }
2050
2051 /*************************************************************************
2052 * FindFirstFileExA (KERNEL32.@)
2053 */
2054 HANDLE WINAPI FindFirstFileExA( LPCSTR lpFileName, FINDEX_INFO_LEVELS fInfoLevelId,
2055 LPVOID lpFindFileData, FINDEX_SEARCH_OPS fSearchOp,
2056 LPVOID lpSearchFilter, DWORD dwAdditionalFlags)
2057 {
2058 HANDLE handle;
2059 WIN32_FIND_DATAA *dataA;
2060 WIN32_FIND_DATAW dataW;
2061 WCHAR *nameW;
2062
2063 if (!(nameW = FILE_name_AtoW( lpFileName, FALSE ))) return INVALID_HANDLE_VALUE;
2064
2065 handle = FindFirstFileExW(nameW, fInfoLevelId, &dataW, fSearchOp, lpSearchFilter, dwAdditionalFlags);
2066 if (handle == INVALID_HANDLE_VALUE) return handle;
2067
2068 dataA = lpFindFileData;
2069 dataA->dwFileAttributes = dataW.dwFileAttributes;
2070 dataA->ftCreationTime = dataW.ftCreationTime;
2071 dataA->ftLastAccessTime = dataW.ftLastAccessTime;
2072 dataA->ftLastWriteTime = dataW.ftLastWriteTime;
2073 dataA->nFileSizeHigh = dataW.nFileSizeHigh;
2074 dataA->nFileSizeLow = dataW.nFileSizeLow;
2075 FILE_name_WtoA( dataW.cFileName, -1, dataA->cFileName, sizeof(dataA->cFileName) );
2076 FILE_name_WtoA( dataW.cAlternateFileName, -1, dataA->cAlternateFileName,
2077 sizeof(dataA->cAlternateFileName) );
2078 return handle;
2079 }
2080
2081
2082 /*************************************************************************
2083 * FindFirstFileW (KERNEL32.@)
2084 */
2085 HANDLE WINAPI FindFirstFileW( LPCWSTR lpFileName, WIN32_FIND_DATAW *lpFindData )
2086 {
2087 return FindFirstFileExW(lpFileName, FindExInfoStandard, lpFindData,
2088 FindExSearchNameMatch, NULL, 0);
2089 }
2090
2091
2092 /*************************************************************************
2093 * FindNextFileA (KERNEL32.@)
2094 */
2095 BOOL WINAPI FindNextFileA( HANDLE handle, WIN32_FIND_DATAA *data )
2096 {
2097 WIN32_FIND_DATAW dataW;
2098
2099 if (!FindNextFileW( handle, &dataW )) return FALSE;
2100 data->dwFileAttributes = dataW.dwFileAttributes;
2101 data->ftCreationTime = dataW.ftCreationTime;
2102 data->ftLastAccessTime = dataW.ftLastAccessTime;
2103 data->ftLastWriteTime = dataW.ftLastWriteTime;
2104 data->nFileSizeHigh = dataW.nFileSizeHigh;
2105 data->nFileSizeLow = dataW.nFileSizeLow;
2106 FILE_name_WtoA( dataW.cFileName, -1, data->cFileName, sizeof(data->cFileName) );
2107 FILE_name_WtoA( dataW.cAlternateFileName, -1, data->cAlternateFileName,
2108 sizeof(data->cAlternateFileName) );
2109 return TRUE;
2110 }
2111
2112
2113 /**************************************************************************
2114 * GetFileAttributesW (KERNEL32.@)
2115 */
2116 DWORD WINAPI GetFileAttributesW( LPCWSTR name )
2117 {
2118 FILE_BASIC_INFORMATION info;
2119 UNICODE_STRING nt_name;
2120 OBJECT_ATTRIBUTES attr;
2121 NTSTATUS status;
2122
2123 TRACE("%s\n", debugstr_w(name));
2124
2125 if (!RtlDosPathNameToNtPathName_U( name, &nt_name, NULL, NULL ))
2126 {
2127 SetLastError( ERROR_PATH_NOT_FOUND );
2128 return INVALID_FILE_ATTRIBUTES;
2129 }
2130
2131 attr.Length = sizeof(attr);
2132 attr.RootDirectory = 0;
2133 attr.Attributes = OBJ_CASE_INSENSITIVE;
2134 attr.ObjectName = &nt_name;
2135 attr.SecurityDescriptor = NULL;
2136 attr.SecurityQualityOfService = NULL;
2137
2138 status = NtQueryAttributesFile( &attr, &info );
2139 RtlFreeUnicodeString( &nt_name );
2140
2141 if (status == STATUS_SUCCESS) return info.FileAttributes;
2142
2143 /* NtQueryAttributesFile fails on devices, but GetFileAttributesW succeeds */
2144 if (RtlIsDosDeviceName_U( name )) return FILE_ATTRIBUTE_ARCHIVE;
2145
2146 SetLastError( RtlNtStatusToDosError(status) );
2147 return INVALID_FILE_ATTRIBUTES;
2148 }
2149
2150
2151 /**************************************************************************
2152 * GetFileAttributesA (KERNEL32.@)
2153 */
2154 DWORD WINAPI GetFileAttributesA( LPCSTR name )
2155 {
2156 WCHAR *nameW;
2157
2158 if (!(nameW = FILE_name_AtoW( name, FALSE ))) return INVALID_FILE_ATTRIBUTES;
2159 return GetFileAttributesW( nameW );
2160 }
2161
2162
2163 /**************************************************************************
2164 * SetFileAttributesW (KERNEL32.@)
2165 */
2166 BOOL WINAPI SetFileAttributesW( LPCWSTR name, DWORD attributes )
2167 {
2168 UNICODE_STRING nt_name;
2169 OBJECT_ATTRIBUTES attr;
2170 IO_STATUS_BLOCK io;
2171 NTSTATUS status;
2172 HANDLE handle;
2173
2174 TRACE("%s %x\n", debugstr_w(name), attributes);
2175
2176 if (!RtlDosPathNameToNtPathName_U( name, &nt_name, NULL, NULL ))
2177 {
2178 SetLastError( ERROR_PATH_NOT_FOUND );
2179 return FALSE;
2180 }
2181
2182 attr.Length = sizeof(attr);
2183 attr.RootDirectory = 0;
2184 attr.Attributes = OBJ_CASE_INSENSITIVE;
2185 attr.ObjectName = &nt_name;
2186 attr.SecurityDescriptor = NULL;
2187 attr.SecurityQualityOfService = NULL;
2188
2189 status = NtOpenFile( &handle, 0, &attr, &io, 0, FILE_SYNCHRONOUS_IO_NONALERT );
2190 RtlFreeUnicodeString( &nt_name );
2191
2192 if (status == STATUS_SUCCESS)
2193 {
2194 FILE_BASIC_INFORMATION info;
2195
2196 memset( &info, 0, sizeof(info) );
2197 info.FileAttributes = attributes | FILE_ATTRIBUTE_NORMAL; /* make sure it's not zero */
2198 status = NtSetInformationFile( handle, &io, &info, sizeof(info), FileBasicInformation );
2199 NtClose( handle );
2200 }
2201
2202 if (status == STATUS_SUCCESS) return TRUE;
2203 SetLastError( RtlNtStatusToDosError(status) );
2204 return FALSE;
2205 }
2206
2207
2208 /**************************************************************************
2209 * SetFileAttributesA (KERNEL32.@)
2210 */
2211 BOOL WINAPI SetFileAttributesA( LPCSTR name, DWORD attributes )
2212 {
2213 WCHAR *nameW;
2214
2215 if (!(nameW = FILE_name_AtoW( name, FALSE ))) return FALSE;
2216 return SetFileAttributesW( nameW, attributes );
2217 }
2218
2219
2220 /**************************************************************************
2221 * GetFileAttributesExW (KERNEL32.@)
2222 */
2223 BOOL WINAPI GetFileAttributesExW( LPCWSTR name, GET_FILEEX_INFO_LEVELS level, LPVOID ptr )
2224 {
2225 FILE_NETWORK_OPEN_INFORMATION info;
2226 WIN32_FILE_ATTRIBUTE_DATA *data = ptr;
2227 UNICODE_STRING nt_name;
2228 OBJECT_ATTRIBUTES attr;
2229 NTSTATUS status;
2230
2231 TRACE("%s %d %p\n", debugstr_w(name), level, ptr);
2232
2233 if (level != GetFileExInfoStandard)
2234 {
2235 SetLastError( ERROR_INVALID_PARAMETER );
2236 return FALSE;
2237 }
2238
2239 if (!RtlDosPathNameToNtPathName_U( name, &nt_name, NULL, NULL ))
2240 {
2241 SetLastError( ERROR_PATH_NOT_FOUND );
2242 return FALSE;
2243 }
2244
2245 attr.Length = sizeof(attr);
2246 attr.RootDirectory = 0;
2247 attr.Attributes = OBJ_CASE_INSENSITIVE;
2248 attr.ObjectName = &nt_name;
2249 attr.SecurityDescriptor = NULL;
2250 attr.SecurityQualityOfService = NULL;
2251
2252 status = NtQueryFullAttributesFile( &attr, &info );
2253 RtlFreeUnicodeString( &nt_name );
2254
2255 if (status != STATUS_SUCCESS)
2256 {
2257 SetLastError( RtlNtStatusToDosError(status) );
2258 return FALSE;
2259 }
2260
2261 data->dwFileAttributes = info.FileAttributes;
2262 data->ftCreationTime.dwLowDateTime = info.CreationTime.u.LowPart;
2263 data->ftCreationTime.dwHighDateTime = info.CreationTime.u.HighPart;
2264 data->ftLastAccessTime.dwLowDateTime = info.LastAccessTime.u.LowPart;
2265 data->ftLastAccessTime.dwHighDateTime = info.LastAccessTime.u.HighPart;
2266 data->ftLastWriteTime.dwLowDateTime = info.LastWriteTime.u.LowPart;
2267 data->ftLastWriteTime.dwHighDateTime = info.LastWriteTime.u.HighPart;
2268 data->nFileSizeLow = info.EndOfFile.u.LowPart;
2269 data->nFileSizeHigh = info.EndOfFile.u.HighPart;
2270 return TRUE;
2271 }
2272
2273
2274 /**************************************************************************
2275 * GetFileAttributesExA (KERNEL32.@)
2276 */
2277 BOOL WINAPI GetFileAttributesExA( LPCSTR name, GET_FILEEX_INFO_LEVELS level, LPVOID ptr )
2278 {
2279 WCHAR *nameW;
2280
2281 if (!(nameW = FILE_name_AtoW( name, FALSE ))) return FALSE;
2282 return GetFileAttributesExW( nameW, level, ptr );
2283 }
2284
2285
2286 /******************************************************************************
2287 * GetCompressedFileSizeW (KERNEL32.@)
2288 *
2289 * Get the actual number of bytes used on disk.
2290 *
2291 * RETURNS
2292 * Success: Low-order doubleword of number of bytes
2293 * Failure: INVALID_FILE_SIZE
2294 */
2295 DWORD WINAPI GetCompressedFileSizeW(
2296 LPCWSTR name, /* [in] Pointer to name of file */
2297 LPDWORD size_high ) /* [out] Receives high-order doubleword of size */
2298 {
2299 UNICODE_STRING nt_name;
2300 OBJECT_ATTRIBUTES attr;
2301 IO_STATUS_BLOCK io;
2302 NTSTATUS status;
2303 HANDLE handle;
2304 DWORD ret = INVALID_FILE_SIZE;
2305
2306 TRACE("%s %p\n", debugstr_w(name), size_high);
2307
2308 if (!RtlDosPathNameToNtPathName_U( name, &nt_name, NULL, NULL ))
2309 {
2310 SetLastError( ERROR_PATH_NOT_FOUND );
2311 return INVALID_FILE_SIZE;
2312 }
2313
2314 attr.Length = sizeof(attr);
2315 attr.RootDirectory = 0;
2316 attr.Attributes = OBJ_CASE_INSENSITIVE;
2317 attr.ObjectName = &nt_name;
2318 attr.SecurityDescriptor = NULL;
2319 attr.SecurityQualityOfService = NULL;
2320
2321 status = NtOpenFile( &handle, 0, &attr, &io, 0, FILE_SYNCHRONOUS_IO_NONALERT );
2322 RtlFreeUnicodeString( &nt_name );
2323
2324 if (status == STATUS_SUCCESS)
2325 {
2326 /* we don't support compressed files, simply return the file size */
2327 ret = GetFileSize( handle, size_high );
2328 NtClose( handle );
2329 }
2330 else SetLastError( RtlNtStatusToDosError(status) );
2331
2332 return ret;
2333 }
2334
2335
2336 /******************************************************************************
2337 * GetCompressedFileSizeA (KERNEL32.@)
2338 *
2339 * See GetCompressedFileSizeW.
2340 */
2341 DWORD WINAPI GetCompressedFileSizeA( LPCSTR name, LPDWORD size_high )
2342 {
2343 WCHAR *nameW;
2344
2345 if (!(nameW = FILE_name_AtoW( name, FALSE ))) return INVALID_FILE_SIZE;
2346 return GetCompressedFileSizeW( nameW, size_high );
2347 }
2348
2349
2350 /***********************************************************************
2351 * OpenVxDHandle (KERNEL32.@)
2352 *
2353 * This function is supposed to return the corresponding Ring 0
2354 * ("kernel") handle for a Ring 3 handle in Win9x.
2355 * Evidently, Wine will have problems with this. But we try anyway,
2356 * maybe it helps...
2357 */
2358 HANDLE WINAPI OpenVxDHandle(HANDLE hHandleRing3)
2359 {
2360 FIXME( "(%p), stub! (returning Ring 3 handle instead of Ring 0)\n", hHandleRing3);
2361 return hHandleRing3;
2362 }
2363
2364
2365 /****************************************************************************
2366 * DeviceIoControl (KERNEL32.@)
2367 */
2368 BOOL WINAPI DeviceIoControl(HANDLE hDevice, DWORD dwIoControlCode,
2369 LPVOID lpvInBuffer, DWORD cbInBuffer,
2370 LPVOID lpvOutBuffer, DWORD cbOutBuffer,
2371 LPDWORD lpcbBytesReturned,
2372 LPOVERLAPPED lpOverlapped)
2373 {
2374 NTSTATUS status;
2375
2376 TRACE( "(%p,%x,%p,%d,%p,%d,%p,%p)\n",
2377 hDevice,dwIoControlCode,lpvInBuffer,cbInBuffer,
2378 lpvOutBuffer,cbOutBuffer,lpcbBytesReturned,lpOverlapped );
2379
2380 /* Check if this is a user defined control code for a VxD */
2381
2382 if (HIWORD( dwIoControlCode ) == 0 && (GetVersion() & 0x80000000))
2383 {
2384 typedef BOOL (WINAPI *DeviceIoProc)(DWORD, LPVOID, DWORD, LPVOID, DWORD, LPDWORD, LPOVERLAPPED);
2385 static DeviceIoProc (*vxd_get_proc)(HANDLE);
2386 DeviceIoProc proc = NULL;
2387
2388 if (!vxd_get_proc) vxd_get_proc = (void *)GetProcAddress( GetModuleHandleA("krnl386.exe16"),
2389 "__wine_vxd_get_proc" );
2390 if (vxd_get_proc) proc = vxd_get_proc( hDevice );
2391 if (proc) return proc( dwIoControlCode, lpvInBuffer, cbInBuffer,
2392 lpvOutBuffer, cbOutBuffer, lpcbBytesReturned, lpOverlapped );
2393 }
2394
2395 /* Not a VxD, let ntdll handle it */
2396
2397 if (lpOverlapped)
2398 {
2399 LPVOID cvalue = ((ULONG_PTR)lpOverlapped->hEvent & 1) ? NULL : lpOverlapped;
2400 lpOverlapped->Internal = STATUS_PENDING;
2401 lpOverlapped->InternalHigh = 0;
2402 if (HIWORD(dwIoControlCode) == FILE_DEVICE_FILE_SYSTEM)
2403 status = NtFsControlFile(hDevice, lpOverlapped->hEvent,
2404 NULL, cvalue, (PIO_STATUS_BLOCK)lpOverlapped,
2405 dwIoControlCode, lpvInBuffer, cbInBuffer,
2406 lpvOutBuffer, cbOutBuffer);
2407 else
2408 status = NtDeviceIoControlFile(hDevice, lpOverlapped->hEvent,
2409 NULL, cvalue, (PIO_STATUS_BLOCK)lpOverlapped,
2410 dwIoControlCode, lpvInBuffer, cbInBuffer,
2411 lpvOutBuffer, cbOutBuffer);
2412 if (lpcbBytesReturned) *lpcbBytesReturned = lpOverlapped->InternalHigh;
2413 }
2414 else
2415 {
2416 IO_STATUS_BLOCK iosb;
2417
2418 if (HIWORD(dwIoControlCode) == FILE_DEVICE_FILE_SYSTEM)
2419 status = NtFsControlFile(hDevice, NULL, NULL, NULL, &iosb,
2420 dwIoControlCode, lpvInBuffer, cbInBuffer,
2421 lpvOutBuffer, cbOutBuffer);
2422 else
2423 status = NtDeviceIoControlFile(hDevice, NULL, NULL, NULL, &iosb,
2424 dwIoControlCode, lpvInBuffer, cbInBuffer,
2425 lpvOutBuffer, cbOutBuffer);
2426 if (lpcbBytesReturned) *lpcbBytesReturned = iosb.Information;
2427 }
2428 if (status) SetLastError( RtlNtStatusToDosError(status) );
2429 return !status;
2430 }
2431
2432
2433 /***********************************************************************
2434 * OpenFile (KERNEL32.@)
2435 */
2436 HFILE WINAPI OpenFile( LPCSTR name, OFSTRUCT *ofs, UINT mode )
2437 {
2438 HANDLE handle;
2439 FILETIME filetime;
2440 WORD filedatetime[2];
2441
2442 if (!ofs) return HFILE_ERROR;
2443
2444 TRACE("%s %s %s %s%s%s%s%s%s%s%s%s\n",name,
2445 ((mode & 0x3 )==OF_READ)?"OF_READ":
2446 ((mode & 0x3 )==OF_WRITE)?"OF_WRITE":
2447 ((mode & 0x3 )==OF_READWRITE)?"OF_READWRITE":"unknown",
2448 ((mode & 0x70 )==OF_SHARE_COMPAT)?"OF_SHARE_COMPAT":
2449 ((mode & 0x70 )==OF_SHARE_DENY_NONE)?"OF_SHARE_DENY_NONE":
2450 ((mode & 0x70 )==OF_SHARE_DENY_READ)?"OF_SHARE_DENY_READ":
2451 ((mode & 0x70 )==OF_SHARE_DENY_WRITE)?"OF_SHARE_DENY_WRITE":
2452 ((mode & 0x70 )==OF_SHARE_EXCLUSIVE)?"OF_SHARE_EXCLUSIVE":"unknown",
2453 ((mode & OF_PARSE )==OF_PARSE)?"OF_PARSE ":"",
2454 ((mode & OF_DELETE )==OF_DELETE)?"OF_DELETE ":"",
2455 ((mode & OF_VERIFY )==OF_VERIFY)?"OF_VERIFY ":"",
2456 ((mode & OF_SEARCH )==OF_SEARCH)?"OF_SEARCH ":"",
2457 ((mode & OF_CANCEL )==OF_CANCEL)?"OF_CANCEL ":"",
2458 ((mode & OF_CREATE )==OF_CREATE)?"OF_CREATE ":"",
2459 ((mode & OF_PROMPT )==OF_PROMPT)?"OF_PROMPT ":"",
2460 ((mode & OF_EXIST )==OF_EXIST)?"OF_EXIST ":"",
2461 ((mode & OF_REOPEN )==OF_REOPEN)?"OF_REOPEN ":""
2462 );
2463
2464
2465 ofs->cBytes = sizeof(OFSTRUCT);
2466 ofs->nErrCode = 0;
2467 if (mode & OF_REOPEN) name = ofs->szPathName;
2468
2469 if (!name) return HFILE_ERROR;
2470
2471 TRACE("%s %04x\n", name, mode );
2472
2473 /* the watcom 10.6 IDE relies on a valid path returned in ofs->szPathName
2474 Are there any cases where getting the path here is wrong?
2475 Uwe Bonnes 1997 Apr 2 */
2476 if (!GetFullPathNameA( name, sizeof(ofs->szPathName), ofs->szPathName, NULL )) goto error;
2477
2478 /* OF_PARSE simply fills the structure */
2479
2480 if (mode & OF_PARSE)
2481 {
2482 ofs->fFixedDisk = (GetDriveTypeA( ofs->szPathName ) != DRIVE_REMOVABLE);
2483 TRACE("(%s): OF_PARSE, res = '%s'\n", name, ofs->szPathName );
2484 return 0;
2485 }
2486
2487 /* OF_CREATE is completely different from all other options, so
2488 handle it first */
2489
2490 if (mode & OF_CREATE)
2491 {
2492 if ((handle = create_file_OF( name, mode )) == INVALID_HANDLE_VALUE)
2493 goto error;
2494 }
2495 else
2496 {
2497 /* Now look for the file */
2498
2499 if (!SearchPathA( NULL, name, NULL, sizeof(ofs->szPathName), ofs->szPathName, NULL ))
2500 goto error;
2501
2502 TRACE("found %s\n", debugstr_a(ofs->szPathName) );
2503
2504 if (mode & OF_DELETE)
2505 {
2506 if (!DeleteFileA( ofs->szPathName )) goto error;
2507 TRACE("(%s): OF_DELETE return = OK\n", name);
2508 return TRUE;
2509 }
2510
2511 handle = LongToHandle(_lopen( ofs->szPathName, mode ));
2512 if (handle == INVALID_HANDLE_VALUE) goto error;
2513
2514 GetFileTime( handle, NULL, NULL, &filetime );
2515 FileTimeToDosDateTime( &filetime, &filedatetime[0], &filedatetime[1] );
2516 if ((mode & OF_VERIFY) && (mode & OF_REOPEN))
2517 {
2518 if (ofs->Reserved1 != filedatetime[0] || ofs->Reserved2 != filedatetime[1] )
2519 {
2520 CloseHandle( handle );
2521 WARN("(%s): OF_VERIFY failed\n", name );
2522 /* FIXME: what error here? */
2523 SetLastError( ERROR_FILE_NOT_FOUND );
2524 goto error;
2525 }
2526 }
2527 ofs->Reserved1 = filedatetime[0];
2528 ofs->Reserved2 = filedatetime[1];
2529 }
2530 TRACE("(%s): OK, return = %p\n", name, handle );
2531 if (mode & OF_EXIST) /* Return TRUE instead of a handle */
2532 {
2533 CloseHandle( handle );
2534 return TRUE;
2535 }
2536 return HandleToLong(handle);
2537
2538 error: /* We get here if there was an error opening the file */
2539 ofs->nErrCode = GetLastError();
2540 WARN("(%s): return = HFILE_ERROR error= %d\n", name,ofs->nErrCode );
2541 return HFILE_ERROR;
2542 }
2543
2544 /***********************************************************************
2545 * K32EnumDeviceDrivers (KERNEL32.@)
2546 */
2547 BOOL WINAPI K32EnumDeviceDrivers(void **image_base, DWORD cb, DWORD *needed)
2548 {
2549 FIXME("(%p, %d, %p): stub\n", image_base, cb, needed);
2550
2551 if (needed)
2552 *needed = 0;
2553
2554 return TRUE;
2555 }
2556
2557 /***********************************************************************
2558 * K32GetDeviceDriverBaseNameA (KERNEL32.@)
2559 */
2560 DWORD WINAPI K32GetDeviceDriverBaseNameA(void *image_base, LPSTR base_name, DWORD size)
2561 {
2562 FIXME("(%p, %p, %d): stub\n", image_base, base_name, size);
2563
2564 if (base_name && size)
2565 base_name[0] = '\0';
2566
2567 return 0;
2568 }
2569
2570 /***********************************************************************
2571 * K32GetDeviceDriverBaseNameW (KERNEL32.@)
2572 */
2573 DWORD WINAPI K32GetDeviceDriverBaseNameW(void *image_base, LPWSTR base_name, DWORD size)
2574 {
2575 FIXME("(%p, %p, %d): stub\n", image_base, base_name, size);
2576
2577 if (base_name && size)
2578 base_name[0] = '\0';
2579
2580 return 0;
2581 }
2582
2583 /***********************************************************************
2584 * K32GetDeviceDriverFileNameA (KERNEL32.@)
2585 */
2586 DWORD WINAPI K32GetDeviceDriverFileNameA(void *image_base, LPSTR file_name, DWORD size)
2587 {
2588 FIXME("(%p, %p, %d): stub\n", image_base, file_name, size);
2589
2590 if (file_name && size)
2591 file_name[0] = '\0';
2592
2593 return 0;
2594 }
2595
2596 /***********************************************************************
2597 * K32GetDeviceDriverFileNameW (KERNEL32.@)
2598 */
2599 DWORD WINAPI K32GetDeviceDriverFileNameW(void *image_base, LPWSTR file_name, DWORD size)
2600 {
2601 FIXME("(%p, %p, %d): stub\n", image_base, file_name, size);
2602
2603 if (file_name && size)
2604 file_name[0] = '\0';
2605
2606 return 0;
2607 }
Maarten's multimedia branch