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push ddcec1efa0405f1b058a48ee6354bc300985a9d9
[wine/hacks.git] / dlls / kernel32 / file.c
blob6b2fb4939aeb4ce08478bbd34f7b563b6bc960c8
1 /*
2 * File handling functions
3 *
4 * Copyright 1993 John Burton
5 * Copyright 1996, 2004 Alexandre Julliard
6 *
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
20 */
21
22 #include "config.h"
23 #include "wine/port.h"
24
25 #include <stdarg.h>
26 #include <stdio.h>
27 #include <errno.h>
28 #ifdef HAVE_SYS_STAT_H
29 # include <sys/stat.h>
30 #endif
31
32 #define NONAMELESSUNION
33 #define NONAMELESSSTRUCT
34 #include "winerror.h"
35 #include "ntstatus.h"
36 #define WIN32_NO_STATUS
37 #include "windef.h"
38 #include "winbase.h"
39 #include "winternl.h"
40 #include "winioctl.h"
41 #include "wincon.h"
42 #include "wine/winbase16.h"
43 #include "kernel_private.h"
44
45 #include "wine/exception.h"
46 #include "excpt.h"
47 #include "wine/unicode.h"
48 #include "wine/debug.h"
49 #include "thread.h"
50
51 WINE_DEFAULT_DEBUG_CHANNEL(file);
52
53 HANDLE dos_handles[DOS_TABLE_SIZE];
54
55 /* info structure for FindFirstFile handle */
56 typedef struct
57 {
58 DWORD magic; /* magic number */
59 HANDLE handle; /* handle to directory */
60 CRITICAL_SECTION cs; /* crit section protecting this structure */
61 FINDEX_SEARCH_OPS search_op; /* Flags passed to FindFirst. */
62 UNICODE_STRING mask; /* file mask */
63 UNICODE_STRING path; /* NT path used to open the directory */
64 BOOL is_root; /* is directory the root of the drive? */
65 UINT data_pos; /* current position in dir data */
66 UINT data_len; /* length of dir data */
67 BYTE data[8192]; /* directory data */
68 } FIND_FIRST_INFO;
69
70 #define FIND_FIRST_MAGIC 0xc0ffee11
71
72 static BOOL oem_file_apis;
73
74 static const WCHAR wildcardsW[] = { '*','?',0 };
75
76 /***********************************************************************
77 * create_file_OF
78 *
79 * Wrapper for CreateFile that takes OF_* mode flags.
80 */
81 static HANDLE create_file_OF( LPCSTR path, INT mode )
82 {
83 DWORD access, sharing, creation;
84
85 if (mode & OF_CREATE)
86 {
87 creation = CREATE_ALWAYS;
88 access = GENERIC_READ | GENERIC_WRITE;
89 }
90 else
91 {
92 creation = OPEN_EXISTING;
93 switch(mode & 0x03)
94 {
95 case OF_READ: access = GENERIC_READ; break;
96 case OF_WRITE: access = GENERIC_WRITE; break;
97 case OF_READWRITE: access = GENERIC_READ | GENERIC_WRITE; break;
98 default: access = 0; break;
99 }
100 }
101
102 switch(mode & 0x70)
103 {
104 case OF_SHARE_EXCLUSIVE: sharing = 0; break;
105 case OF_SHARE_DENY_WRITE: sharing = FILE_SHARE_READ; break;
106 case OF_SHARE_DENY_READ: sharing = FILE_SHARE_WRITE; break;
107 case OF_SHARE_DENY_NONE:
108 case OF_SHARE_COMPAT:
109 default: sharing = FILE_SHARE_READ | FILE_SHARE_WRITE; break;
110 }
111 return CreateFileA( path, access, sharing, NULL, creation, FILE_ATTRIBUTE_NORMAL, 0 );
112 }
113
114
115 /***********************************************************************
116 * check_dir_symlink
117 *
118 * Check if a dir symlink should be returned by FindNextFile.
119 */
120 static BOOL check_dir_symlink( FIND_FIRST_INFO *info, const FILE_BOTH_DIR_INFORMATION *file_info )
121 {
122 UNICODE_STRING str;
123 ANSI_STRING unix_name;
124 struct stat st, parent_st;
125 BOOL ret = TRUE;
126 DWORD len;
127
128 str.MaximumLength = info->path.Length + sizeof(WCHAR) + file_info->FileNameLength;
129 if (!(str.Buffer = HeapAlloc( GetProcessHeap(), 0, str.MaximumLength ))) return TRUE;
130 memcpy( str.Buffer, info->path.Buffer, info->path.Length );
131 len = info->path.Length / sizeof(WCHAR);
132 if (!len || str.Buffer[len-1] != '\\') str.Buffer[len++] = '\\';
133 memcpy( str.Buffer + len, file_info->FileName, file_info->FileNameLength );
134 str.Length = len * sizeof(WCHAR) + file_info->FileNameLength;
135
136 unix_name.Buffer = NULL;
137 if (!wine_nt_to_unix_file_name( &str, &unix_name, OPEN_EXISTING, FALSE ) &&
138 !stat( unix_name.Buffer, &st ))
139 {
140 char *p = unix_name.Buffer + unix_name.Length - 1;
141
142 /* skip trailing slashes */
143 while (p > unix_name.Buffer && *p == '/') p--;
144
145 while (ret && p > unix_name.Buffer)
146 {
147 while (p > unix_name.Buffer && *p != '/') p--;
148 while (p > unix_name.Buffer && *p == '/') p--;
149 p[1] = 0;
150 if (!stat( unix_name.Buffer, &parent_st ) &&
151 parent_st.st_dev == st.st_dev &&
152 parent_st.st_ino == st.st_ino)
153 {
154 WARN( "suppressing dir symlink %s pointing to parent %s\n",
155 debugstr_wn( str.Buffer, str.Length/sizeof(WCHAR) ),
156 debugstr_a( unix_name.Buffer ));
157 ret = FALSE;
158 }
159 }
160 }
161 RtlFreeAnsiString( &unix_name );
162 RtlFreeUnicodeString( &str );
163 return ret;
164 }
165
166
167 /***********************************************************************
168 * FILE_SetDosError
169 *
170 * Set the DOS error code from errno.
171 */
172 void FILE_SetDosError(void)
173 {
174 int save_errno = errno; /* errno gets overwritten by printf */
175
176 TRACE("errno = %d %s\n", errno, strerror(errno));
177 switch (save_errno)
178 {
179 case EAGAIN:
180 SetLastError( ERROR_SHARING_VIOLATION );
181 break;
182 case EBADF:
183 SetLastError( ERROR_INVALID_HANDLE );
184 break;
185 case ENOSPC:
186 SetLastError( ERROR_HANDLE_DISK_FULL );
187 break;
188 case EACCES:
189 case EPERM:
190 case EROFS:
191 SetLastError( ERROR_ACCESS_DENIED );
192 break;
193 case EBUSY:
194 SetLastError( ERROR_LOCK_VIOLATION );
195 break;
196 case ENOENT:
197 SetLastError( ERROR_FILE_NOT_FOUND );
198 break;
199 case EISDIR:
200 SetLastError( ERROR_CANNOT_MAKE );
201 break;
202 case ENFILE:
203 case EMFILE:
204 SetLastError( ERROR_TOO_MANY_OPEN_FILES );
205 break;
206 case EEXIST:
207 SetLastError( ERROR_FILE_EXISTS );
208 break;
209 case EINVAL:
210 case ESPIPE:
211 SetLastError( ERROR_SEEK );
212 break;
213 case ENOTEMPTY:
214 SetLastError( ERROR_DIR_NOT_EMPTY );
215 break;
216 case ENOEXEC:
217 SetLastError( ERROR_BAD_FORMAT );
218 break;
219 case ENOTDIR:
220 SetLastError( ERROR_PATH_NOT_FOUND );
221 break;
222 case EXDEV:
223 SetLastError( ERROR_NOT_SAME_DEVICE );
224 break;
225 default:
226 WARN("unknown file error: %s\n", strerror(save_errno) );
227 SetLastError( ERROR_GEN_FAILURE );
228 break;
229 }
230 errno = save_errno;
231 }
232
233
234 /***********************************************************************
235 * FILE_name_AtoW
236 *
237 * Convert a file name to Unicode, taking into account the OEM/Ansi API mode.
238 *
239 * If alloc is FALSE uses the TEB static buffer, so it can only be used when
240 * there is no possibility for the function to do that twice, taking into
241 * account any called function.
242 */
243 WCHAR *FILE_name_AtoW( LPCSTR name, BOOL alloc )
244 {
245 ANSI_STRING str;
246 UNICODE_STRING strW, *pstrW;
247 NTSTATUS status;
248
249 RtlInitAnsiString( &str, name );
250 pstrW = alloc ? &strW : &NtCurrentTeb()->StaticUnicodeString;
251 if (oem_file_apis)
252 status = RtlOemStringToUnicodeString( pstrW, &str, alloc );
253 else
254 status = RtlAnsiStringToUnicodeString( pstrW, &str, alloc );
255 if (status == STATUS_SUCCESS) return pstrW->Buffer;
256
257 if (status == STATUS_BUFFER_OVERFLOW)
258 SetLastError( ERROR_FILENAME_EXCED_RANGE );
259 else
260 SetLastError( RtlNtStatusToDosError(status) );
261 return NULL;
262 }
263
264
265 /***********************************************************************
266 * FILE_name_WtoA
267 *
268 * Convert a file name back to OEM/Ansi. Returns number of bytes copied.
269 */
270 DWORD FILE_name_WtoA( LPCWSTR src, INT srclen, LPSTR dest, INT destlen )
271 {
272 DWORD ret;
273
274 if (srclen < 0) srclen = strlenW( src ) + 1;
275 if (oem_file_apis)
276 RtlUnicodeToOemN( dest, destlen, &ret, src, srclen * sizeof(WCHAR) );
277 else
278 RtlUnicodeToMultiByteN( dest, destlen, &ret, src, srclen * sizeof(WCHAR) );
279 return ret;
280 }
281
282
283 /**************************************************************************
284 * SetFileApisToOEM (KERNEL32.@)
285 */
286 VOID WINAPI SetFileApisToOEM(void)
287 {
288 oem_file_apis = TRUE;
289 }
290
291
292 /**************************************************************************
293 * SetFileApisToANSI (KERNEL32.@)
294 */
295 VOID WINAPI SetFileApisToANSI(void)
296 {
297 oem_file_apis = FALSE;
298 }
299
300
301 /******************************************************************************
302 * AreFileApisANSI (KERNEL32.@)
303 *
304 * Determines if file functions are using ANSI
305 *
306 * RETURNS
307 * TRUE: Set of file functions is using ANSI code page
308 * FALSE: Set of file functions is using OEM code page
309 */
310 BOOL WINAPI AreFileApisANSI(void)
311 {
312 return !oem_file_apis;
313 }
314
315
316 /**************************************************************************
317 * Operations on file handles *
318 **************************************************************************/
319
320 /***********************************************************************
321 * FILE_InitProcessDosHandles
322 *
323 * Allocates the default DOS handles for a process. Called either by
324 * Win32HandleToDosFileHandle below or by the DOSVM stuff.
325 */
326 static void FILE_InitProcessDosHandles( void )
327 {
328 static BOOL init_done /* = FALSE */;
329 HANDLE cp = GetCurrentProcess();
330
331 if (init_done) return;
332 init_done = TRUE;
333 DuplicateHandle(cp, GetStdHandle(STD_INPUT_HANDLE), cp, &dos_handles[0],
334 0, TRUE, DUPLICATE_SAME_ACCESS);
335 DuplicateHandle(cp, GetStdHandle(STD_OUTPUT_HANDLE), cp, &dos_handles[1],
336 0, TRUE, DUPLICATE_SAME_ACCESS);
337 DuplicateHandle(cp, GetStdHandle(STD_ERROR_HANDLE), cp, &dos_handles[2],
338 0, TRUE, DUPLICATE_SAME_ACCESS);
339 DuplicateHandle(cp, GetStdHandle(STD_ERROR_HANDLE), cp, &dos_handles[3],
340 0, TRUE, DUPLICATE_SAME_ACCESS);
341 DuplicateHandle(cp, GetStdHandle(STD_ERROR_HANDLE), cp, &dos_handles[4],
342 0, TRUE, DUPLICATE_SAME_ACCESS);
343 }
344
345
346 /******************************************************************
347 * FILE_ReadWriteApc (internal)
348 */
349 static void WINAPI FILE_ReadWriteApc(void* apc_user, PIO_STATUS_BLOCK io_status, ULONG reserved)
350 {
351 LPOVERLAPPED_COMPLETION_ROUTINE cr = (LPOVERLAPPED_COMPLETION_ROUTINE)apc_user;
352
353 cr(RtlNtStatusToDosError(io_status->u.Status), io_status->Information, (LPOVERLAPPED)io_status);
354 }
355
356
357 /***********************************************************************
358 * ReadFileEx (KERNEL32.@)
359 */
360 BOOL WINAPI ReadFileEx(HANDLE hFile, LPVOID buffer, DWORD bytesToRead,
361 LPOVERLAPPED overlapped,
362 LPOVERLAPPED_COMPLETION_ROUTINE lpCompletionRoutine)
363 {
364 LARGE_INTEGER offset;
365 NTSTATUS status;
366 PIO_STATUS_BLOCK io_status;
367
368 TRACE("(hFile=%p, buffer=%p, bytes=%u, ovl=%p, ovl_fn=%p)\n", hFile, buffer, bytesToRead, overlapped, lpCompletionRoutine);
369
370 if (!overlapped)
371 {
372 SetLastError(ERROR_INVALID_PARAMETER);
373 return FALSE;
374 }
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
381 status = NtReadFile(hFile, NULL, FILE_ReadWriteApc, lpCompletionRoutine,
382 io_status, buffer, bytesToRead, &offset, NULL);
383
384 if (status)
385 {
386 SetLastError( RtlNtStatusToDosError(status) );
387 return FALSE;
388 }
389 return TRUE;
390 }
391
392
393 /***********************************************************************
394 * ReadFile (KERNEL32.@)
395 */
396 BOOL WINAPI ReadFile( HANDLE hFile, LPVOID buffer, DWORD bytesToRead,
397 LPDWORD bytesRead, LPOVERLAPPED overlapped )
398 {
399 LARGE_INTEGER offset;
400 PLARGE_INTEGER poffset = NULL;
401 IO_STATUS_BLOCK iosb;
402 PIO_STATUS_BLOCK io_status = &iosb;
403 HANDLE hEvent = 0;
404 NTSTATUS status;
405
406 TRACE("%p %p %d %p %p\n", hFile, buffer, bytesToRead,
407 bytesRead, overlapped );
408
409 if (bytesRead) *bytesRead = 0; /* Do this before anything else */
410 if (!bytesToRead) return TRUE;
411
412 if (is_console_handle(hFile))
413 return ReadConsoleA(hFile, buffer, bytesToRead, bytesRead, NULL);
414
415 if (overlapped != NULL)
416 {
417 offset.u.LowPart = overlapped->u.s.Offset;
418 offset.u.HighPart = overlapped->u.s.OffsetHigh;
419 poffset = &offset;
420 hEvent = overlapped->hEvent;
421 io_status = (PIO_STATUS_BLOCK)overlapped;
422 }
423 io_status->u.Status = STATUS_PENDING;
424 io_status->Information = 0;
425
426 status = NtReadFile(hFile, hEvent, NULL, NULL, io_status, buffer, bytesToRead, poffset, NULL);
427
428 if (status != STATUS_PENDING && bytesRead)
429 *bytesRead = io_status->Information;
430
431 if (status && status != STATUS_END_OF_FILE && status != STATUS_TIMEOUT)
432 {
433 SetLastError( RtlNtStatusToDosError(status) );
434 return FALSE;
435 }
436 return TRUE;
437 }
438
439
440 /***********************************************************************
441 * WriteFileEx (KERNEL32.@)
442 */
443 BOOL WINAPI WriteFileEx(HANDLE hFile, LPCVOID buffer, DWORD bytesToWrite,
444 LPOVERLAPPED overlapped,
445 LPOVERLAPPED_COMPLETION_ROUTINE lpCompletionRoutine)
446 {
447 LARGE_INTEGER offset;
448 NTSTATUS status;
449 PIO_STATUS_BLOCK io_status;
450
451 TRACE("%p %p %d %p %p\n", hFile, buffer, bytesToWrite, overlapped, lpCompletionRoutine);
452
453 if (overlapped == NULL)
454 {
455 SetLastError(ERROR_INVALID_PARAMETER);
456 return FALSE;
457 }
458 offset.u.LowPart = overlapped->u.s.Offset;
459 offset.u.HighPart = overlapped->u.s.OffsetHigh;
460
461 io_status = (PIO_STATUS_BLOCK)overlapped;
462 io_status->u.Status = STATUS_PENDING;
463
464 status = NtWriteFile(hFile, NULL, FILE_ReadWriteApc, lpCompletionRoutine,
465 io_status, buffer, bytesToWrite, &offset, NULL);
466
467 if (status) SetLastError( RtlNtStatusToDosError(status) );
468 return !status;
469 }
470
471
472 /***********************************************************************
473 * WriteFile (KERNEL32.@)
474 */
475 BOOL WINAPI WriteFile( HANDLE hFile, LPCVOID buffer, DWORD bytesToWrite,
476 LPDWORD bytesWritten, LPOVERLAPPED overlapped )
477 {
478 HANDLE hEvent = NULL;
479 LARGE_INTEGER offset;
480 PLARGE_INTEGER poffset = NULL;
481 NTSTATUS status;
482 IO_STATUS_BLOCK iosb;
483 PIO_STATUS_BLOCK piosb = &iosb;
484
485 TRACE("%p %p %d %p %p\n", hFile, buffer, bytesToWrite, bytesWritten, overlapped );
486
487 if (is_console_handle(hFile))
488 return WriteConsoleA(hFile, buffer, bytesToWrite, bytesWritten, NULL);
489
490 if (overlapped)
491 {
492 offset.u.LowPart = overlapped->u.s.Offset;
493 offset.u.HighPart = overlapped->u.s.OffsetHigh;
494 poffset = &offset;
495 hEvent = overlapped->hEvent;
496 piosb = (PIO_STATUS_BLOCK)overlapped;
497 }
498 piosb->u.Status = STATUS_PENDING;
499 piosb->Information = 0;
500
501 status = NtWriteFile(hFile, hEvent, NULL, NULL, piosb,
502 buffer, bytesToWrite, poffset, NULL);
503
504 /* FIXME: NtWriteFile does not always cause page faults, generate them now */
505 if (status == STATUS_INVALID_USER_BUFFER && !IsBadReadPtr( buffer, bytesToWrite ))
506 {
507 status = NtWriteFile(hFile, hEvent, NULL, NULL, piosb,
508 buffer, bytesToWrite, poffset, NULL);
509 if (status != STATUS_INVALID_USER_BUFFER)
510 FIXME("Could not access memory (%p,%d) at first, now OK. Protected by DIBSection code?\n",
511 buffer, bytesToWrite);
512 }
513
514 if (status != STATUS_PENDING && bytesWritten)
515 *bytesWritten = piosb->Information;
516
517 if (status && status != STATUS_TIMEOUT)
518 {
519 SetLastError( RtlNtStatusToDosError(status) );
520 return FALSE;
521 }
522 return TRUE;
523 }
524
525
526 /***********************************************************************
527 * GetOverlappedResult (KERNEL32.@)
528 *
529 * Check the result of an Asynchronous data transfer from a file.
530 *
531 * Parameters
532 * HANDLE hFile [in] handle of file to check on
533 * LPOVERLAPPED lpOverlapped [in/out] pointer to overlapped
534 * LPDWORD lpTransferred [in/out] number of bytes transferred
535 * BOOL bWait [in] wait for the transfer to complete ?
536 *
537 * RETURNS
538 * TRUE on success
539 * FALSE on failure
540 *
541 * If successful (and relevant) lpTransferred will hold the number of
542 * bytes transferred during the async operation.
543 *
544 * BUGS
545 *
546 * Currently only works for WaitCommEvent, ReadFile, WriteFile
547 * with communications ports.
548 *
549 */
550 BOOL WINAPI GetOverlappedResult(HANDLE hFile, LPOVERLAPPED lpOverlapped,
551 LPDWORD lpTransferred, BOOL bWait)
552 {
553 DWORD r = WAIT_OBJECT_0;
554
555 TRACE( "(%p %p %p %x)\n", hFile, lpOverlapped, lpTransferred, bWait );
556
557 if ( lpOverlapped == NULL )
558 {
559 ERR("lpOverlapped was null\n");
560 return FALSE;
561 }
562 if ( bWait )
563 {
564 if ( lpOverlapped->hEvent )
565 {
566 do
567 {
568 TRACE( "waiting on %p\n", lpOverlapped );
569 r = WaitForSingleObjectEx( lpOverlapped->hEvent, INFINITE, TRUE );
570 TRACE( "wait on %p returned %d\n", lpOverlapped, r );
571 } while ( r == WAIT_IO_COMPLETION );
572 }
573 else
574 {
575 /* busy loop */
576 while ( ((volatile OVERLAPPED*)lpOverlapped)->Internal == STATUS_PENDING )
577 Sleep( 10 );
578 }
579 }
580 else if ( lpOverlapped->Internal == STATUS_PENDING )
581 {
582 /* Wait in order to give APCs a chance to run. */
583 /* This is cheating, so we must set the event again in case of success -
584 it may be a non-manual reset event. */
585 do
586 {
587 TRACE( "waiting on %p\n", lpOverlapped );
588 r = WaitForSingleObjectEx( lpOverlapped->hEvent, 0, TRUE );
589 TRACE( "wait on %p returned %d\n", lpOverlapped, r );
590 } while ( r == WAIT_IO_COMPLETION );
591 if ( r == WAIT_OBJECT_0 && lpOverlapped->hEvent )
592 NtSetEvent( lpOverlapped->hEvent, NULL );
593 }
594 if ( r == WAIT_FAILED )
595 {
596 WARN("wait operation failed\n");
597 return FALSE;
598 }
599 if (lpTransferred) *lpTransferred = lpOverlapped->InternalHigh;
600
601 switch ( lpOverlapped->Internal )
602 {
603 case STATUS_SUCCESS:
604 return TRUE;
605 case STATUS_PENDING:
606 SetLastError( ERROR_IO_INCOMPLETE );
607 if ( bWait ) ERR("PENDING status after waiting!\n");
608 return FALSE;
609 default:
610 SetLastError( RtlNtStatusToDosError( lpOverlapped->Internal ) );
611 return FALSE;
612 }
613 }
614
615 /***********************************************************************
616 * CancelIo (KERNEL32.@)
617 *
618 * Cancels pending I/O operations initiated by the current thread on a file.
619 *
620 * PARAMS
621 * handle [I] File handle.
622 *
623 * RETURNS
624 * Success: TRUE.
625 * Failure: FALSE, check GetLastError().
626 */
627 BOOL WINAPI CancelIo(HANDLE handle)
628 {
629 IO_STATUS_BLOCK io_status;
630
631 NtCancelIoFile(handle, &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 * _hread (KERNEL32.@)
642 */
643 LONG WINAPI _hread( HFILE hFile, LPVOID buffer, LONG count)
644 {
645 return _lread( hFile, buffer, count );
646 }
647
648
649 /***********************************************************************
650 * _hwrite (KERNEL32.@)
651 *
652 * experimentation yields that _lwrite:
653 * o truncates the file at the current position with
654 * a 0 len write
655 * o returns 0 on a 0 length write
656 * o works with console handles
657 *
658 */
659 LONG WINAPI _hwrite( HFILE handle, LPCSTR buffer, LONG count )
660 {
661 DWORD result;
662
663 TRACE("%d %p %d\n", handle, buffer, count );
664
665 if (!count)
666 {
667 /* Expand or truncate at current position */
668 if (!SetEndOfFile( (HANDLE)handle )) return HFILE_ERROR;
669 return 0;
670 }
671 if (!WriteFile( (HANDLE)handle, buffer, count, &result, NULL ))
672 return HFILE_ERROR;
673 return result;
674 }
675
676
677 /***********************************************************************
678 * _lclose (KERNEL32.@)
679 */
680 HFILE WINAPI _lclose( HFILE hFile )
681 {
682 TRACE("handle %d\n", hFile );
683 return CloseHandle( (HANDLE)hFile ) ? 0 : HFILE_ERROR;
684 }
685
686
687 /***********************************************************************
688 * _lcreat (KERNEL32.@)
689 */
690 HFILE WINAPI _lcreat( LPCSTR path, INT attr )
691 {
692 /* Mask off all flags not explicitly allowed by the doc */
693 attr &= FILE_ATTRIBUTE_READONLY | FILE_ATTRIBUTE_HIDDEN | FILE_ATTRIBUTE_SYSTEM;
694 TRACE("%s %02x\n", path, attr );
695 return (HFILE)CreateFileA( path, GENERIC_READ | GENERIC_WRITE,
696 FILE_SHARE_READ | FILE_SHARE_WRITE, NULL,
697 CREATE_ALWAYS, attr, 0 );
698 }
699
700
701 /***********************************************************************
702 * _lopen (KERNEL32.@)
703 */
704 HFILE WINAPI _lopen( LPCSTR path, INT mode )
705 {
706 TRACE("(%s,%04x)\n", debugstr_a(path), mode );
707 return (HFILE)create_file_OF( path, mode & ~OF_CREATE );
708 }
709
710 /***********************************************************************
711 * _lread (KERNEL32.@)
712 */
713 UINT WINAPI _lread( HFILE handle, LPVOID buffer, UINT count )
714 {
715 DWORD result;
716 if (!ReadFile( (HANDLE)handle, buffer, count, &result, NULL ))
717 return HFILE_ERROR;
718 return result;
719 }
720
721
722 /***********************************************************************
723 * _llseek (KERNEL32.@)
724 */
725 LONG WINAPI _llseek( HFILE hFile, LONG lOffset, INT nOrigin )
726 {
727 return SetFilePointer( (HANDLE)hFile, lOffset, NULL, nOrigin );
728 }
729
730
731 /***********************************************************************
732 * _lwrite (KERNEL32.@)
733 */
734 UINT WINAPI _lwrite( HFILE hFile, LPCSTR buffer, UINT count )
735 {
736 return (UINT)_hwrite( hFile, buffer, (LONG)count );
737 }
738
739
740 /***********************************************************************
741 * FlushFileBuffers (KERNEL32.@)
742 */
743 BOOL WINAPI FlushFileBuffers( HANDLE hFile )
744 {
745 NTSTATUS nts;
746 IO_STATUS_BLOCK ioblk;
747
748 if (is_console_handle( hFile ))
749 {
750 /* this will fail (as expected) for an output handle */
751 return FlushConsoleInputBuffer( hFile );
752 }
753 nts = NtFlushBuffersFile( hFile, &ioblk );
754 if (nts != STATUS_SUCCESS)
755 {
756 SetLastError( RtlNtStatusToDosError( nts ) );
757 return FALSE;
758 }
759
760 return TRUE;
761 }
762
763
764 /***********************************************************************
765 * GetFileType (KERNEL32.@)
766 */
767 DWORD WINAPI GetFileType( HANDLE hFile )
768 {
769 FILE_FS_DEVICE_INFORMATION info;
770 IO_STATUS_BLOCK io;
771 NTSTATUS status;
772
773 if (is_console_handle( hFile )) return FILE_TYPE_CHAR;
774
775 status = NtQueryVolumeInformationFile( hFile, &io, &info, sizeof(info), FileFsDeviceInformation );
776 if (status != STATUS_SUCCESS)
777 {
778 SetLastError( RtlNtStatusToDosError(status) );
779 return FILE_TYPE_UNKNOWN;
780 }
781
782 switch(info.DeviceType)
783 {
784 case FILE_DEVICE_NULL:
785 case FILE_DEVICE_SERIAL_PORT:
786 case FILE_DEVICE_PARALLEL_PORT:
787 case FILE_DEVICE_TAPE:
788 case FILE_DEVICE_UNKNOWN:
789 return FILE_TYPE_CHAR;
790 case FILE_DEVICE_NAMED_PIPE:
791 return FILE_TYPE_PIPE;
792 default:
793 return FILE_TYPE_DISK;
794 }
795 }
796
797
798 /***********************************************************************
799 * GetFileInformationByHandle (KERNEL32.@)
800 */
801 BOOL WINAPI GetFileInformationByHandle( HANDLE hFile, BY_HANDLE_FILE_INFORMATION *info )
802 {
803 FILE_ALL_INFORMATION all_info;
804 IO_STATUS_BLOCK io;
805 NTSTATUS status;
806
807 status = NtQueryInformationFile( hFile, &io, &all_info, sizeof(all_info), FileAllInformation );
808 if (status == STATUS_SUCCESS)
809 {
810 info->dwFileAttributes = all_info.BasicInformation.FileAttributes;
811 info->ftCreationTime.dwHighDateTime = all_info.BasicInformation.CreationTime.u.HighPart;
812 info->ftCreationTime.dwLowDateTime = all_info.BasicInformation.CreationTime.u.LowPart;
813 info->ftLastAccessTime.dwHighDateTime = all_info.BasicInformation.LastAccessTime.u.HighPart;
814 info->ftLastAccessTime.dwLowDateTime = all_info.BasicInformation.LastAccessTime.u.LowPart;
815 info->ftLastWriteTime.dwHighDateTime = all_info.BasicInformation.LastWriteTime.u.HighPart;
816 info->ftLastWriteTime.dwLowDateTime = all_info.BasicInformation.LastWriteTime.u.LowPart;
817 info->dwVolumeSerialNumber = 0; /* FIXME */
818 info->nFileSizeHigh = all_info.StandardInformation.EndOfFile.u.HighPart;
819 info->nFileSizeLow = all_info.StandardInformation.EndOfFile.u.LowPart;
820 info->nNumberOfLinks = all_info.StandardInformation.NumberOfLinks;
821 info->nFileIndexHigh = all_info.InternalInformation.IndexNumber.u.HighPart;
822 info->nFileIndexLow = all_info.InternalInformation.IndexNumber.u.LowPart;
823 return TRUE;
824 }
825 SetLastError( RtlNtStatusToDosError(status) );
826 return FALSE;
827 }
828
829
830 /***********************************************************************
831 * GetFileSize (KERNEL32.@)
832 *
833 * Retrieve the size of a file.
834 *
835 * PARAMS
836 * hFile [I] File to retrieve size of.
837 * filesizehigh [O] On return, the high bits of the file size.
838 *
839 * RETURNS
840 * Success: The low bits of the file size.
841 * Failure: INVALID_FILE_SIZE. As this is could also be a success value,
842 * check GetLastError() for values other than ERROR_SUCCESS.
843 */
844 DWORD WINAPI GetFileSize( HANDLE hFile, LPDWORD filesizehigh )
845 {
846 LARGE_INTEGER size;
847 if (!GetFileSizeEx( hFile, &size )) return INVALID_FILE_SIZE;
848 if (filesizehigh) *filesizehigh = size.u.HighPart;
849 if (size.u.LowPart == INVALID_FILE_SIZE) SetLastError(0);
850 return size.u.LowPart;
851 }
852
853
854 /***********************************************************************
855 * GetFileSizeEx (KERNEL32.@)
856 *
857 * Retrieve the size of a file.
858 *
859 * PARAMS
860 * hFile [I] File to retrieve size of.
861 * lpFileSIze [O] On return, the size of the file.
862 *
863 * RETURNS
864 * Success: TRUE.
865 * Failure: FALSE, check GetLastError().
866 */
867 BOOL WINAPI GetFileSizeEx( HANDLE hFile, PLARGE_INTEGER lpFileSize )
868 {
869 FILE_END_OF_FILE_INFORMATION info;
870 IO_STATUS_BLOCK io;
871 NTSTATUS status;
872
873 status = NtQueryInformationFile( hFile, &io, &info, sizeof(info), FileEndOfFileInformation );
874 if (status == STATUS_SUCCESS)
875 {
876 *lpFileSize = info.EndOfFile;
877 return TRUE;
878 }
879 SetLastError( RtlNtStatusToDosError(status) );
880 return FALSE;
881 }
882
883
884 /**************************************************************************
885 * SetEndOfFile (KERNEL32.@)
886 *
887 * Sets the current position as the end of the file.
888 *
889 * PARAMS
890 * hFile [I] File handle.
891 *
892 * RETURNS
893 * Success: TRUE.
894 * Failure: FALSE, check GetLastError().
895 */
896 BOOL WINAPI SetEndOfFile( HANDLE hFile )
897 {
898 FILE_POSITION_INFORMATION pos;
899 FILE_END_OF_FILE_INFORMATION eof;
900 IO_STATUS_BLOCK io;
901 NTSTATUS status;
902
903 status = NtQueryInformationFile( hFile, &io, &pos, sizeof(pos), FilePositionInformation );
904 if (status == STATUS_SUCCESS)
905 {
906 eof.EndOfFile = pos.CurrentByteOffset;
907 status = NtSetInformationFile( hFile, &io, &eof, sizeof(eof), FileEndOfFileInformation );
908 }
909 if (status == STATUS_SUCCESS) return TRUE;
910 SetLastError( RtlNtStatusToDosError(status) );
911 return FALSE;
912 }
913
914
915 /***********************************************************************
916 * SetFilePointer (KERNEL32.@)
917 */
918 DWORD WINAPI SetFilePointer( HANDLE hFile, LONG distance, LONG *highword, DWORD method )
919 {
920 LARGE_INTEGER dist, newpos;
921
922 if (highword)
923 {
924 dist.u.LowPart = distance;
925 dist.u.HighPart = *highword;
926 }
927 else dist.QuadPart = distance;
928
929 if (!SetFilePointerEx( hFile, dist, &newpos, method )) return INVALID_SET_FILE_POINTER;
930
931 if (highword) *highword = newpos.u.HighPart;
932 if (newpos.u.LowPart == INVALID_SET_FILE_POINTER) SetLastError( 0 );
933 return newpos.u.LowPart;
934 }
935
936
937 /***********************************************************************
938 * SetFilePointerEx (KERNEL32.@)
939 */
940 BOOL WINAPI SetFilePointerEx( HANDLE hFile, LARGE_INTEGER distance,
941 LARGE_INTEGER *newpos, DWORD method )
942 {
943 LONGLONG pos;
944 IO_STATUS_BLOCK io;
945 FILE_POSITION_INFORMATION info;
946
947 switch(method)
948 {
949 case FILE_BEGIN:
950 pos = distance.QuadPart;
951 break;
952 case FILE_CURRENT:
953 if (NtQueryInformationFile( hFile, &io, &info, sizeof(info), FilePositionInformation ))
954 goto error;
955 pos = info.CurrentByteOffset.QuadPart + distance.QuadPart;
956 break;
957 case FILE_END:
958 {
959 FILE_END_OF_FILE_INFORMATION eof;
960 if (NtQueryInformationFile( hFile, &io, &eof, sizeof(eof), FileEndOfFileInformation ))
961 goto error;
962 pos = eof.EndOfFile.QuadPart + distance.QuadPart;
963 }
964 break;
965 default:
966 SetLastError( ERROR_INVALID_PARAMETER );
967 return FALSE;
968 }
969
970 if (pos < 0)
971 {
972 SetLastError( ERROR_NEGATIVE_SEEK );
973 return FALSE;
974 }
975
976 info.CurrentByteOffset.QuadPart = pos;
977 if (NtSetInformationFile( hFile, &io, &info, sizeof(info), FilePositionInformation ))
978 goto error;
979 if (newpos) newpos->QuadPart = pos;
980 return TRUE;
981
982 error:
983 SetLastError( RtlNtStatusToDosError(io.u.Status) );
984 return FALSE;
985 }
986
987 /***********************************************************************
988 * GetFileTime (KERNEL32.@)
989 */
990 BOOL WINAPI GetFileTime( HANDLE hFile, FILETIME *lpCreationTime,
991 FILETIME *lpLastAccessTime, FILETIME *lpLastWriteTime )
992 {
993 FILE_BASIC_INFORMATION info;
994 IO_STATUS_BLOCK io;
995 NTSTATUS status;
996
997 status = NtQueryInformationFile( hFile, &io, &info, sizeof(info), FileBasicInformation );
998 if (status == STATUS_SUCCESS)
999 {
1000 if (lpCreationTime)
1001 {
1002 lpCreationTime->dwHighDateTime = info.CreationTime.u.HighPart;
1003 lpCreationTime->dwLowDateTime = info.CreationTime.u.LowPart;
1004 }
1005 if (lpLastAccessTime)
1006 {
1007 lpLastAccessTime->dwHighDateTime = info.LastAccessTime.u.HighPart;
1008 lpLastAccessTime->dwLowDateTime = info.LastAccessTime.u.LowPart;
1009 }
1010 if (lpLastWriteTime)
1011 {
1012 lpLastWriteTime->dwHighDateTime = info.LastWriteTime.u.HighPart;
1013 lpLastWriteTime->dwLowDateTime = info.LastWriteTime.u.LowPart;
1014 }
1015 return TRUE;
1016 }
1017 SetLastError( RtlNtStatusToDosError(status) );
1018 return FALSE;
1019 }
1020
1021
1022 /***********************************************************************
1023 * SetFileTime (KERNEL32.@)
1024 */
1025 BOOL WINAPI SetFileTime( HANDLE hFile, const FILETIME *ctime,
1026 const FILETIME *atime, const FILETIME *mtime )
1027 {
1028 FILE_BASIC_INFORMATION info;
1029 IO_STATUS_BLOCK io;
1030 NTSTATUS status;
1031
1032 memset( &info, 0, sizeof(info) );
1033 if (ctime)
1034 {
1035 info.CreationTime.u.HighPart = ctime->dwHighDateTime;
1036 info.CreationTime.u.LowPart = ctime->dwLowDateTime;
1037 }
1038 if (atime)
1039 {
1040 info.LastAccessTime.u.HighPart = atime->dwHighDateTime;
1041 info.LastAccessTime.u.LowPart = atime->dwLowDateTime;
1042 }
1043 if (mtime)
1044 {
1045 info.LastWriteTime.u.HighPart = mtime->dwHighDateTime;
1046 info.LastWriteTime.u.LowPart = mtime->dwLowDateTime;
1047 }
1048
1049 status = NtSetInformationFile( hFile, &io, &info, sizeof(info), FileBasicInformation );
1050 if (status == STATUS_SUCCESS) return TRUE;
1051 SetLastError( RtlNtStatusToDosError(status) );
1052 return FALSE;
1053 }
1054
1055
1056 /**************************************************************************
1057 * LockFile (KERNEL32.@)
1058 */
1059 BOOL WINAPI LockFile( HANDLE hFile, DWORD offset_low, DWORD offset_high,
1060 DWORD count_low, DWORD count_high )
1061 {
1062 NTSTATUS status;
1063 LARGE_INTEGER count, offset;
1064
1065 TRACE( "%p %x%08x %x%08x\n",
1066 hFile, offset_high, offset_low, count_high, count_low );
1067
1068 count.u.LowPart = count_low;
1069 count.u.HighPart = count_high;
1070 offset.u.LowPart = offset_low;
1071 offset.u.HighPart = offset_high;
1072
1073 status = NtLockFile( hFile, 0, NULL, NULL,
1074 NULL, &offset, &count, NULL, TRUE, TRUE );
1075
1076 if (status != STATUS_SUCCESS) SetLastError( RtlNtStatusToDosError(status) );
1077 return !status;
1078 }
1079
1080
1081 /**************************************************************************
1082 * LockFileEx [KERNEL32.@]
1083 *
1084 * Locks a byte range within an open file for shared or exclusive access.
1085 *
1086 * RETURNS
1087 * success: TRUE
1088 * failure: FALSE
1089 *
1090 * NOTES
1091 * Per Microsoft docs, the third parameter (reserved) must be set to 0.
1092 */
1093 BOOL WINAPI LockFileEx( HANDLE hFile, DWORD flags, DWORD reserved,
1094 DWORD count_low, DWORD count_high, LPOVERLAPPED overlapped )
1095 {
1096 NTSTATUS status;
1097 LARGE_INTEGER count, offset;
1098
1099 if (reserved)
1100 {
1101 SetLastError( ERROR_INVALID_PARAMETER );
1102 return FALSE;
1103 }
1104
1105 TRACE( "%p %x%08x %x%08x flags %x\n",
1106 hFile, overlapped->u.s.OffsetHigh, overlapped->u.s.Offset,
1107 count_high, count_low, flags );
1108
1109 count.u.LowPart = count_low;
1110 count.u.HighPart = count_high;
1111 offset.u.LowPart = overlapped->u.s.Offset;
1112 offset.u.HighPart = overlapped->u.s.OffsetHigh;
1113
1114 status = NtLockFile( hFile, overlapped->hEvent, NULL, NULL,
1115 NULL, &offset, &count, NULL,
1116 flags & LOCKFILE_FAIL_IMMEDIATELY,
1117 flags & LOCKFILE_EXCLUSIVE_LOCK );
1118
1119 if (status) SetLastError( RtlNtStatusToDosError(status) );
1120 return !status;
1121 }
1122
1123
1124 /**************************************************************************
1125 * UnlockFile (KERNEL32.@)
1126 */
1127 BOOL WINAPI UnlockFile( HANDLE hFile, DWORD offset_low, DWORD offset_high,
1128 DWORD count_low, DWORD count_high )
1129 {
1130 NTSTATUS status;
1131 LARGE_INTEGER count, offset;
1132
1133 count.u.LowPart = count_low;
1134 count.u.HighPart = count_high;
1135 offset.u.LowPart = offset_low;
1136 offset.u.HighPart = offset_high;
1137
1138 status = NtUnlockFile( hFile, NULL, &offset, &count, NULL);
1139 if (status) SetLastError( RtlNtStatusToDosError(status) );
1140 return !status;
1141 }
1142
1143
1144 /**************************************************************************
1145 * UnlockFileEx (KERNEL32.@)
1146 */
1147 BOOL WINAPI UnlockFileEx( HANDLE hFile, DWORD reserved, DWORD count_low, DWORD count_high,
1148 LPOVERLAPPED overlapped )
1149 {
1150 if (reserved)
1151 {
1152 SetLastError( ERROR_INVALID_PARAMETER );
1153 return FALSE;
1154 }
1155 if (overlapped->hEvent) FIXME("Unimplemented overlapped operation\n");
1156
1157 return UnlockFile( hFile, overlapped->u.s.Offset, overlapped->u.s.OffsetHigh, count_low, count_high );
1158 }
1159
1160
1161 /***********************************************************************
1162 * Win32HandleToDosFileHandle (KERNEL32.21)
1163 *
1164 * Allocate a DOS handle for a Win32 handle. The Win32 handle is no
1165 * longer valid after this function (even on failure).
1166 *
1167 * Note: this is not exactly right, since on Win95 the Win32 handles
1168 * are on top of DOS handles and we do it the other way
1169 * around. Should be good enough though.
1170 */
1171 HFILE WINAPI Win32HandleToDosFileHandle( HANDLE handle )
1172 {
1173 int i;
1174
1175 if (!handle || (handle == INVALID_HANDLE_VALUE))
1176 return HFILE_ERROR;
1177
1178 FILE_InitProcessDosHandles();
1179 for (i = 0; i < DOS_TABLE_SIZE; i++)
1180 if (!dos_handles[i])
1181 {
1182 dos_handles[i] = handle;
1183 TRACE("Got %d for h32 %p\n", i, handle );
1184 return (HFILE)i;
1185 }
1186 CloseHandle( handle );
1187 SetLastError( ERROR_TOO_MANY_OPEN_FILES );
1188 return HFILE_ERROR;
1189 }
1190
1191
1192 /***********************************************************************
1193 * DosFileHandleToWin32Handle (KERNEL32.20)
1194 *
1195 * Return the Win32 handle for a DOS handle.
1196 *
1197 * Note: this is not exactly right, since on Win95 the Win32 handles
1198 * are on top of DOS handles and we do it the other way
1199 * around. Should be good enough though.
1200 */
1201 HANDLE WINAPI DosFileHandleToWin32Handle( HFILE handle )
1202 {
1203 HFILE16 hfile = (HFILE16)handle;
1204 if (hfile < 5) FILE_InitProcessDosHandles();
1205 if ((hfile >= DOS_TABLE_SIZE) || !dos_handles[hfile])
1206 {
1207 SetLastError( ERROR_INVALID_HANDLE );
1208 return INVALID_HANDLE_VALUE;
1209 }
1210 return dos_handles[hfile];
1211 }
1212
1213
1214 /*************************************************************************
1215 * SetHandleCount (KERNEL32.@)
1216 */
1217 UINT WINAPI SetHandleCount( UINT count )
1218 {
1219 return min( 256, count );
1220 }
1221
1222
1223 /***********************************************************************
1224 * DisposeLZ32Handle (KERNEL32.22)
1225 *
1226 * Note: this is not entirely correct, we should only close the
1227 * 32-bit handle and not the 16-bit one, but we cannot do
1228 * this because of the way our DOS handles are implemented.
1229 * It shouldn't break anything though.
1230 */
1231 void WINAPI DisposeLZ32Handle( HANDLE handle )
1232 {
1233 int i;
1234
1235 if (!handle || (handle == INVALID_HANDLE_VALUE)) return;
1236
1237 for (i = 5; i < DOS_TABLE_SIZE; i++)
1238 if (dos_handles[i] == handle)
1239 {
1240 dos_handles[i] = 0;
1241 CloseHandle( handle );
1242 break;
1243 }
1244 }
1245
1246 /**************************************************************************
1247 * Operations on file names *
1248 **************************************************************************/
1249
1250
1251 /*************************************************************************
1252 * CreateFileW [KERNEL32.@] Creates or opens a file or other object
1253 *
1254 * Creates or opens an object, and returns a handle that can be used to
1255 * access that object.
1256 *
1257 * PARAMS
1258 *
1259 * filename [in] pointer to filename to be accessed
1260 * access [in] access mode requested
1261 * sharing [in] share mode
1262 * sa [in] pointer to security attributes
1263 * creation [in] how to create the file
1264 * attributes [in] attributes for newly created file
1265 * template [in] handle to file with extended attributes to copy
1266 *
1267 * RETURNS
1268 * Success: Open handle to specified file
1269 * Failure: INVALID_HANDLE_VALUE
1270 */
1271 HANDLE WINAPI CreateFileW( LPCWSTR filename, DWORD access, DWORD sharing,
1272 LPSECURITY_ATTRIBUTES sa, DWORD creation,
1273 DWORD attributes, HANDLE template )
1274 {
1275 NTSTATUS status;
1276 UINT options;
1277 OBJECT_ATTRIBUTES attr;
1278 UNICODE_STRING nameW;
1279 IO_STATUS_BLOCK io;
1280 HANDLE ret;
1281 DWORD dosdev;
1282 static const WCHAR bkslashes_with_dotW[] = {'\\','\\','.','\\',0};
1283 static const WCHAR coninW[] = {'C','O','N','I','N','$',0};
1284 static const WCHAR conoutW[] = {'C','O','N','O','U','T','$',0};
1285 SECURITY_QUALITY_OF_SERVICE qos;
1286
1287 static const UINT nt_disposition[5] =
1288 {
1289 FILE_CREATE, /* CREATE_NEW */
1290 FILE_OVERWRITE_IF, /* CREATE_ALWAYS */
1291 FILE_OPEN, /* OPEN_EXISTING */
1292 FILE_OPEN_IF, /* OPEN_ALWAYS */
1293 FILE_OVERWRITE /* TRUNCATE_EXISTING */
1294 };
1295
1296
1297 /* sanity checks */
1298
1299 if (!filename || !filename[0])
1300 {
1301 SetLastError( ERROR_PATH_NOT_FOUND );
1302 return INVALID_HANDLE_VALUE;
1303 }
1304
1305 TRACE("%s %s%s%s%s%s%s creation %d attributes 0x%x\n", debugstr_w(filename),
1306 (access & GENERIC_READ)?"GENERIC_READ ":"",
1307 (access & GENERIC_WRITE)?"GENERIC_WRITE ":"",
1308 (!access)?"QUERY_ACCESS ":"",
1309 (sharing & FILE_SHARE_READ)?"FILE_SHARE_READ ":"",
1310 (sharing & FILE_SHARE_WRITE)?"FILE_SHARE_WRITE ":"",
1311 (sharing & FILE_SHARE_DELETE)?"FILE_SHARE_DELETE ":"",
1312 creation, attributes);
1313
1314 /* Open a console for CONIN$ or CONOUT$ */
1315
1316 if (!strcmpiW(filename, coninW) || !strcmpiW(filename, conoutW))
1317 {
1318 ret = OpenConsoleW(filename, access, (sa && sa->bInheritHandle), creation);
1319 goto done;
1320 }
1321
1322 if (!strncmpW(filename, bkslashes_with_dotW, 4))
1323 {
1324 static const WCHAR pipeW[] = {'P','I','P','E','\\',0};
1325 static const WCHAR mailslotW[] = {'M','A','I','L','S','L','O','T','\\',0};
1326
1327 if ((isalphaW(filename[4]) && filename[5] == ':' && filename[6] == '\0') ||
1328 !strncmpiW( filename + 4, pipeW, 5 ) ||
1329 !strncmpiW( filename + 4, mailslotW, 9 ))
1330 {
1331 dosdev = 0;
1332 }
1333 else if ((dosdev = RtlIsDosDeviceName_U( filename + 4 )))
1334 {
1335 dosdev += MAKELONG( 0, 4*sizeof(WCHAR) ); /* adjust position to start of filename */
1336 }
1337 else if (!(GetVersion() & 0x80000000))
1338 {
1339 dosdev = 0;
1340 }
1341 else if (filename[4])
1342 {
1343 ret = VXD_Open( filename+4, access, sa );
1344 goto done;
1345 }
1346 else
1347 {
1348 SetLastError( ERROR_INVALID_NAME );
1349 return INVALID_HANDLE_VALUE;
1350 }
1351 }
1352 else dosdev = RtlIsDosDeviceName_U( filename );
1353
1354 if (dosdev)
1355 {
1356 static const WCHAR conW[] = {'C','O','N'};
1357
1358 if (LOWORD(dosdev) == sizeof(conW) &&
1359 !memicmpW( filename + HIWORD(dosdev)/sizeof(WCHAR), conW, sizeof(conW)/sizeof(WCHAR)))
1360 {
1361 switch (access & (GENERIC_READ|GENERIC_WRITE))
1362 {
1363 case GENERIC_READ:
1364 ret = OpenConsoleW(coninW, access, (sa && sa->bInheritHandle), creation);
1365 goto done;
1366 case GENERIC_WRITE:
1367 ret = OpenConsoleW(conoutW, access, (sa && sa->bInheritHandle), creation);
1368 goto done;
1369 default:
1370 SetLastError( ERROR_FILE_NOT_FOUND );
1371 return INVALID_HANDLE_VALUE;
1372 }
1373 }
1374 }
1375
1376 if (creation < CREATE_NEW || creation > TRUNCATE_EXISTING)
1377 {
1378 SetLastError( ERROR_INVALID_PARAMETER );
1379 return INVALID_HANDLE_VALUE;
1380 }
1381
1382 if (!RtlDosPathNameToNtPathName_U( filename, &nameW, NULL, NULL ))
1383 {
1384 SetLastError( ERROR_PATH_NOT_FOUND );
1385 return INVALID_HANDLE_VALUE;
1386 }
1387
1388 /* now call NtCreateFile */
1389
1390 options = 0;
1391 if (attributes & FILE_FLAG_BACKUP_SEMANTICS)
1392 options |= FILE_OPEN_FOR_BACKUP_INTENT;
1393 else
1394 options |= FILE_NON_DIRECTORY_FILE;
1395 if (attributes & FILE_FLAG_DELETE_ON_CLOSE)
1396 {
1397 options |= FILE_DELETE_ON_CLOSE;
1398 access |= DELETE;
1399 }
1400 if (!(attributes & FILE_FLAG_OVERLAPPED))
1401 options |= FILE_SYNCHRONOUS_IO_ALERT;
1402 if (attributes & FILE_FLAG_RANDOM_ACCESS)
1403 options |= FILE_RANDOM_ACCESS;
1404 attributes &= FILE_ATTRIBUTE_VALID_FLAGS;
1405
1406 attr.Length = sizeof(attr);
1407 attr.RootDirectory = 0;
1408 attr.Attributes = OBJ_CASE_INSENSITIVE;
1409 attr.ObjectName = &nameW;
1410 attr.SecurityDescriptor = sa ? sa->lpSecurityDescriptor : NULL;
1411 if (attributes & SECURITY_SQOS_PRESENT)
1412 {
1413 qos.Length = sizeof(qos);
1414 qos.ImpersonationLevel = (attributes >> 16) & 0x3;
1415 qos.ContextTrackingMode = attributes & SECURITY_CONTEXT_TRACKING ? SECURITY_DYNAMIC_TRACKING : SECURITY_STATIC_TRACKING;
1416 qos.EffectiveOnly = attributes & SECURITY_EFFECTIVE_ONLY ? TRUE : FALSE;
1417 attr.SecurityQualityOfService = &qos;
1418 }
1419 else
1420 attr.SecurityQualityOfService = NULL;
1421
1422 if (sa && sa->bInheritHandle) attr.Attributes |= OBJ_INHERIT;
1423
1424 status = NtCreateFile( &ret, access, &attr, &io, NULL, attributes,
1425 sharing, nt_disposition[creation - CREATE_NEW],
1426 options, NULL, 0 );
1427 if (status)
1428 {
1429 WARN("Unable to create file %s (status %x)\n", debugstr_w(filename), status);
1430 ret = INVALID_HANDLE_VALUE;
1431
1432 /* In the case file creation was rejected due to CREATE_NEW flag
1433 * was specified and file with that name already exists, correct
1434 * last error is ERROR_FILE_EXISTS and not ERROR_ALREADY_EXISTS.
1435 * Note: RtlNtStatusToDosError is not the subject to blame here.
1436 */
1437 if (status == STATUS_OBJECT_NAME_COLLISION)
1438 SetLastError( ERROR_FILE_EXISTS );
1439 else
1440 SetLastError( RtlNtStatusToDosError(status) );
1441 }
1442 else SetLastError(0);
1443 RtlFreeUnicodeString( &nameW );
1444
1445 done:
1446 if (!ret) ret = INVALID_HANDLE_VALUE;
1447 TRACE("returning %p\n", ret);
1448 return ret;
1449 }
1450
1451
1452
1453 /*************************************************************************
1454 * CreateFileA (KERNEL32.@)
1455 *
1456 * See CreateFileW.
1457 */
1458 HANDLE WINAPI CreateFileA( LPCSTR filename, DWORD access, DWORD sharing,
1459 LPSECURITY_ATTRIBUTES sa, DWORD creation,
1460 DWORD attributes, HANDLE template)
1461 {
1462 WCHAR *nameW;
1463
1464 if (!(nameW = FILE_name_AtoW( filename, FALSE ))) return INVALID_HANDLE_VALUE;
1465 return CreateFileW( nameW, access, sharing, sa, creation, attributes, template );
1466 }
1467
1468
1469 /***********************************************************************
1470 * DeleteFileW (KERNEL32.@)
1471 *
1472 * Delete a file.
1473 *
1474 * PARAMS
1475 * path [I] Path to the file to delete.
1476 *
1477 * RETURNS
1478 * Success: TRUE.
1479 * Failure: FALSE, check GetLastError().
1480 */
1481 BOOL WINAPI DeleteFileW( LPCWSTR path )
1482 {
1483 UNICODE_STRING nameW;
1484 OBJECT_ATTRIBUTES attr;
1485 NTSTATUS status;
1486
1487 TRACE("%s\n", debugstr_w(path) );
1488
1489 if (!RtlDosPathNameToNtPathName_U( path, &nameW, NULL, NULL ))
1490 {
1491 SetLastError( ERROR_PATH_NOT_FOUND );
1492 return FALSE;
1493 }
1494
1495 attr.Length = sizeof(attr);
1496 attr.RootDirectory = 0;
1497 attr.Attributes = OBJ_CASE_INSENSITIVE;
1498 attr.ObjectName = &nameW;
1499 attr.SecurityDescriptor = NULL;
1500 attr.SecurityQualityOfService = NULL;
1501
1502 status = NtDeleteFile(&attr);
1503 RtlFreeUnicodeString( &nameW );
1504 if (status)
1505 {
1506 SetLastError( RtlNtStatusToDosError(status) );
1507 return FALSE;
1508 }
1509 return TRUE;
1510 }
1511
1512
1513 /***********************************************************************
1514 * DeleteFileA (KERNEL32.@)
1515 *
1516 * See DeleteFileW.
1517 */
1518 BOOL WINAPI DeleteFileA( LPCSTR path )
1519 {
1520 WCHAR *pathW;
1521
1522 if (!(pathW = FILE_name_AtoW( path, FALSE ))) return FALSE;
1523 return DeleteFileW( pathW );
1524 }
1525
1526
1527 /**************************************************************************
1528 * ReplaceFileW (KERNEL32.@)
1529 * ReplaceFile (KERNEL32.@)
1530 */
1531 BOOL WINAPI ReplaceFileW(LPCWSTR lpReplacedFileName,LPCWSTR lpReplacementFileName,
1532 LPCWSTR lpBackupFileName, DWORD dwReplaceFlags,
1533 LPVOID lpExclude, LPVOID lpReserved)
1534 {
1535 FIXME("(%s,%s,%s,%08x,%p,%p) stub\n",debugstr_w(lpReplacedFileName),debugstr_w(lpReplacementFileName),
1536 debugstr_w(lpBackupFileName),dwReplaceFlags,lpExclude,lpReserved);
1537 SetLastError(ERROR_UNABLE_TO_MOVE_REPLACEMENT);
1538 return FALSE;
1539 }
1540
1541
1542 /**************************************************************************
1543 * ReplaceFileA (KERNEL32.@)
1544 */
1545 BOOL WINAPI ReplaceFileA(LPCSTR lpReplacedFileName,LPCSTR lpReplacementFileName,
1546 LPCSTR lpBackupFileName, DWORD dwReplaceFlags,
1547 LPVOID lpExclude, LPVOID lpReserved)
1548 {
1549 FIXME("(%s,%s,%s,%08x,%p,%p) stub\n",lpReplacedFileName,lpReplacementFileName,
1550 lpBackupFileName,dwReplaceFlags,lpExclude,lpReserved);
1551 SetLastError(ERROR_UNABLE_TO_MOVE_REPLACEMENT);
1552 return FALSE;
1553 }
1554
1555
1556 /*************************************************************************
1557 * FindFirstFileExW (KERNEL32.@)
1558 */
1559 HANDLE WINAPI FindFirstFileExW( LPCWSTR filename, FINDEX_INFO_LEVELS level,
1560 LPVOID data, FINDEX_SEARCH_OPS search_op,
1561 LPVOID filter, DWORD flags)
1562 {
1563 WCHAR *mask, *p;
1564 FIND_FIRST_INFO *info = NULL;
1565 UNICODE_STRING nt_name;
1566 OBJECT_ATTRIBUTES attr;
1567 IO_STATUS_BLOCK io;
1568 NTSTATUS status;
1569 DWORD device = 0;
1570
1571 TRACE("%s %d %p %d %p %x\n", debugstr_w(filename), level, data, search_op, filter, flags);
1572
1573 if ((search_op != FindExSearchNameMatch && search_op != FindExSearchLimitToDirectories)
1574 || flags != 0)
1575 {
1576 FIXME("options not implemented 0x%08x 0x%08x\n", search_op, flags );
1577 return INVALID_HANDLE_VALUE;
1578 }
1579 if (level != FindExInfoStandard)
1580 {
1581 FIXME("info level %d not implemented\n", level );
1582 return INVALID_HANDLE_VALUE;
1583 }
1584
1585 if (!RtlDosPathNameToNtPathName_U( filename, &nt_name, &mask, NULL ))
1586 {
1587 SetLastError( ERROR_PATH_NOT_FOUND );
1588 return INVALID_HANDLE_VALUE;
1589 }
1590
1591 if (!(info = HeapAlloc( GetProcessHeap(), 0, sizeof(*info))))
1592 {
1593 SetLastError( ERROR_NOT_ENOUGH_MEMORY );
1594 goto error;
1595 }
1596
1597 if (!mask && (device = RtlIsDosDeviceName_U( filename )))
1598 {
1599 static const WCHAR dotW[] = {'.',0};
1600 WCHAR *dir = NULL;
1601
1602 /* we still need to check that the directory can be opened */
1603
1604 if (HIWORD(device))
1605 {
1606 if (!(dir = HeapAlloc( GetProcessHeap(), 0, HIWORD(device) + sizeof(WCHAR) )))
1607 {
1608 SetLastError( ERROR_NOT_ENOUGH_MEMORY );
1609 goto error;
1610 }
1611 memcpy( dir, filename, HIWORD(device) );
1612 dir[HIWORD(device)/sizeof(WCHAR)] = 0;
1613 }
1614 RtlFreeUnicodeString( &nt_name );
1615 if (!RtlDosPathNameToNtPathName_U( dir ? dir : dotW, &nt_name, &mask, NULL ))
1616 {
1617 HeapFree( GetProcessHeap(), 0, dir );
1618 SetLastError( ERROR_PATH_NOT_FOUND );
1619 goto error;
1620 }
1621 HeapFree( GetProcessHeap(), 0, dir );
1622 RtlInitUnicodeString( &info->mask, NULL );
1623 }
1624 else if (!mask || !*mask)
1625 {
1626 SetLastError( ERROR_FILE_NOT_FOUND );
1627 goto error;
1628 }
1629 else
1630 {
1631 if (!RtlCreateUnicodeString( &info->mask, mask ))
1632 {
1633 SetLastError( ERROR_NOT_ENOUGH_MEMORY );
1634 goto error;
1635 }
1636
1637 /* truncate dir name before mask */
1638 *mask = 0;
1639 nt_name.Length = (mask - nt_name.Buffer) * sizeof(WCHAR);
1640 }
1641
1642 /* check if path is the root of the drive */
1643 info->is_root = FALSE;
1644 p = nt_name.Buffer + 4; /* skip \??\ prefix */
1645 if (p[0] && p[1] == ':')
1646 {
1647 p += 2;
1648 while (*p == '\\') p++;
1649 info->is_root = (*p == 0);
1650 }
1651
1652 attr.Length = sizeof(attr);
1653 attr.RootDirectory = 0;
1654 attr.Attributes = OBJ_CASE_INSENSITIVE;
1655 attr.ObjectName = &nt_name;
1656 attr.SecurityDescriptor = NULL;
1657 attr.SecurityQualityOfService = NULL;
1658
1659 status = NtOpenFile( &info->handle, GENERIC_READ, &attr, &io,
1660 FILE_SHARE_READ | FILE_SHARE_WRITE,
1661 FILE_DIRECTORY_FILE | FILE_SYNCHRONOUS_IO_NONALERT );
1662
1663 if (status != STATUS_SUCCESS)
1664 {
1665 RtlFreeUnicodeString( &info->mask );
1666 if (status == STATUS_OBJECT_NAME_NOT_FOUND)
1667 SetLastError( ERROR_PATH_NOT_FOUND );
1668 else
1669 SetLastError( RtlNtStatusToDosError(status) );
1670 goto error;
1671 }
1672
1673 RtlInitializeCriticalSection( &info->cs );
1674 info->cs.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": FIND_FIRST_INFO.cs");
1675 info->path = nt_name;
1676 info->magic = FIND_FIRST_MAGIC;
1677 info->data_pos = 0;
1678 info->data_len = 0;
1679 info->search_op = search_op;
1680
1681 if (device)
1682 {
1683 WIN32_FIND_DATAW *wfd = data;
1684
1685 memset( wfd, 0, sizeof(*wfd) );
1686 memcpy( wfd->cFileName, filename + HIWORD(device)/sizeof(WCHAR), LOWORD(device) );
1687 wfd->dwFileAttributes = FILE_ATTRIBUTE_ARCHIVE;
1688 CloseHandle( info->handle );
1689 info->handle = 0;
1690 }
1691 else
1692 {
1693 IO_STATUS_BLOCK io;
1694
1695 NtQueryDirectoryFile( info->handle, 0, NULL, NULL, &io, info->data, sizeof(info->data),
1696 FileBothDirectoryInformation, FALSE, &info->mask, TRUE );
1697 if (io.u.Status)
1698 {
1699 FindClose( info );
1700 SetLastError( RtlNtStatusToDosError( io.u.Status ) );
1701 return INVALID_HANDLE_VALUE;
1702 }
1703 info->data_len = io.Information;
1704 if (!FindNextFileW( info, data ))
1705 {
1706 TRACE( "%s not found\n", debugstr_w(filename) );
1707 FindClose( info );
1708 SetLastError( ERROR_FILE_NOT_FOUND );
1709 return INVALID_HANDLE_VALUE;
1710 }
1711 if (!strpbrkW( info->mask.Buffer, wildcardsW ))
1712 {
1713 /* we can't find two files with the same name */
1714 CloseHandle( info->handle );
1715 info->handle = 0;
1716 }
1717 }
1718 return info;
1719
1720 error:
1721 HeapFree( GetProcessHeap(), 0, info );
1722 RtlFreeUnicodeString( &nt_name );
1723 return INVALID_HANDLE_VALUE;
1724 }
1725
1726
1727 /*************************************************************************
1728 * FindNextFileW (KERNEL32.@)
1729 */
1730 BOOL WINAPI FindNextFileW( HANDLE handle, WIN32_FIND_DATAW *data )
1731 {
1732 FIND_FIRST_INFO *info;
1733 FILE_BOTH_DIR_INFORMATION *dir_info;
1734 BOOL ret = FALSE;
1735
1736 TRACE("%p %p\n", handle, data);
1737
1738 if (!handle || handle == INVALID_HANDLE_VALUE)
1739 {
1740 SetLastError( ERROR_INVALID_HANDLE );
1741 return ret;
1742 }
1743 info = (FIND_FIRST_INFO *)handle;
1744 if (info->magic != FIND_FIRST_MAGIC)
1745 {
1746 SetLastError( ERROR_INVALID_HANDLE );
1747 return ret;
1748 }
1749
1750 RtlEnterCriticalSection( &info->cs );
1751
1752 if (!info->handle) SetLastError( ERROR_NO_MORE_FILES );
1753 else for (;;)
1754 {
1755 if (info->data_pos >= info->data_len) /* need to read some more data */
1756 {
1757 IO_STATUS_BLOCK io;
1758
1759 NtQueryDirectoryFile( info->handle, 0, NULL, NULL, &io, info->data, sizeof(info->data),
1760 FileBothDirectoryInformation, FALSE, &info->mask, FALSE );
1761 if (io.u.Status)
1762 {
1763 SetLastError( RtlNtStatusToDosError( io.u.Status ) );
1764 if (io.u.Status == STATUS_NO_MORE_FILES)
1765 {
1766 CloseHandle( info->handle );
1767 info->handle = 0;
1768 }
1769 break;
1770 }
1771 info->data_len = io.Information;
1772 info->data_pos = 0;
1773 }
1774
1775 dir_info = (FILE_BOTH_DIR_INFORMATION *)(info->data + info->data_pos);
1776
1777 if (dir_info->NextEntryOffset) info->data_pos += dir_info->NextEntryOffset;
1778 else info->data_pos = info->data_len;
1779
1780 /* don't return '.' and '..' in the root of the drive */
1781 if (info->is_root)
1782 {
1783 if (dir_info->FileNameLength == sizeof(WCHAR) && dir_info->FileName[0] == '.') continue;
1784 if (dir_info->FileNameLength == 2 * sizeof(WCHAR) &&
1785 dir_info->FileName[0] == '.' && dir_info->FileName[1] == '.') continue;
1786 }
1787
1788 /* check for dir symlink */
1789 if ((dir_info->FileAttributes & FILE_ATTRIBUTE_DIRECTORY) &&
1790 (dir_info->FileAttributes & FILE_ATTRIBUTE_REPARSE_POINT) &&
1791 strpbrkW( info->mask.Buffer, wildcardsW ))
1792 {
1793 if (!check_dir_symlink( info, dir_info )) continue;
1794 }
1795 if (info->search_op == FindExSearchLimitToDirectories &&
1796 (dir_info->FileAttributes & FILE_ATTRIBUTE_DIRECTORY) == 0)
1797 continue;
1798
1799 data->dwFileAttributes = dir_info->FileAttributes;
1800 data->ftCreationTime = *(FILETIME *)&dir_info->CreationTime;
1801 data->ftLastAccessTime = *(FILETIME *)&dir_info->LastAccessTime;
1802 data->ftLastWriteTime = *(FILETIME *)&dir_info->LastWriteTime;
1803 data->nFileSizeHigh = dir_info->EndOfFile.QuadPart >> 32;
1804 data->nFileSizeLow = (DWORD)dir_info->EndOfFile.QuadPart;
1805 data->dwReserved0 = 0;
1806 data->dwReserved1 = 0;
1807
1808 memcpy( data->cFileName, dir_info->FileName, dir_info->FileNameLength );
1809 data->cFileName[dir_info->FileNameLength/sizeof(WCHAR)] = 0;
1810 memcpy( data->cAlternateFileName, dir_info->ShortName, dir_info->ShortNameLength );
1811 data->cAlternateFileName[dir_info->ShortNameLength/sizeof(WCHAR)] = 0;
1812
1813 TRACE("returning %s (%s)\n",
1814 debugstr_w(data->cFileName), debugstr_w(data->cAlternateFileName) );
1815
1816 ret = TRUE;
1817 break;
1818 }
1819
1820 RtlLeaveCriticalSection( &info->cs );
1821 return ret;
1822 }
1823
1824
1825 /*************************************************************************
1826 * FindClose (KERNEL32.@)
1827 */
1828 BOOL WINAPI FindClose( HANDLE handle )
1829 {
1830 FIND_FIRST_INFO *info = (FIND_FIRST_INFO *)handle;
1831
1832 if (!handle || handle == INVALID_HANDLE_VALUE)
1833 {
1834 SetLastError( ERROR_INVALID_HANDLE );
1835 return FALSE;
1836 }
1837
1838 __TRY
1839 {
1840 if (info->magic == FIND_FIRST_MAGIC)
1841 {
1842 RtlEnterCriticalSection( &info->cs );
1843 if (info->magic == FIND_FIRST_MAGIC) /* in case someone else freed it in the meantime */
1844 {
1845 info->magic = 0;
1846 if (info->handle) CloseHandle( info->handle );
1847 info->handle = 0;
1848 RtlFreeUnicodeString( &info->mask );
1849 info->mask.Buffer = NULL;
1850 RtlFreeUnicodeString( &info->path );
1851 info->data_pos = 0;
1852 info->data_len = 0;
1853 RtlLeaveCriticalSection( &info->cs );
1854 info->cs.DebugInfo->Spare[0] = 0;
1855 RtlDeleteCriticalSection( &info->cs );
1856 HeapFree( GetProcessHeap(), 0, info );
1857 }
1858 }
1859 }
1860 __EXCEPT_PAGE_FAULT
1861 {
1862 WARN("Illegal handle %p\n", handle);
1863 SetLastError( ERROR_INVALID_HANDLE );
1864 return FALSE;
1865 }
1866 __ENDTRY
1867
1868 return TRUE;
1869 }
1870
1871
1872 /*************************************************************************
1873 * FindFirstFileA (KERNEL32.@)
1874 */
1875 HANDLE WINAPI FindFirstFileA( LPCSTR lpFileName, WIN32_FIND_DATAA *lpFindData )
1876 {
1877 return FindFirstFileExA(lpFileName, FindExInfoStandard, lpFindData,
1878 FindExSearchNameMatch, NULL, 0);
1879 }
1880
1881 /*************************************************************************
1882 * FindFirstFileExA (KERNEL32.@)
1883 */
1884 HANDLE WINAPI FindFirstFileExA( LPCSTR lpFileName, FINDEX_INFO_LEVELS fInfoLevelId,
1885 LPVOID lpFindFileData, FINDEX_SEARCH_OPS fSearchOp,
1886 LPVOID lpSearchFilter, DWORD dwAdditionalFlags)
1887 {
1888 HANDLE handle;
1889 WIN32_FIND_DATAA *dataA;
1890 WIN32_FIND_DATAW dataW;
1891 WCHAR *nameW;
1892
1893 if (!(nameW = FILE_name_AtoW( lpFileName, FALSE ))) return INVALID_HANDLE_VALUE;
1894
1895 handle = FindFirstFileExW(nameW, fInfoLevelId, &dataW, fSearchOp, lpSearchFilter, dwAdditionalFlags);
1896 if (handle == INVALID_HANDLE_VALUE) return handle;
1897
1898 dataA = (WIN32_FIND_DATAA *) lpFindFileData;
1899 dataA->dwFileAttributes = dataW.dwFileAttributes;
1900 dataA->ftCreationTime = dataW.ftCreationTime;
1901 dataA->ftLastAccessTime = dataW.ftLastAccessTime;
1902 dataA->ftLastWriteTime = dataW.ftLastWriteTime;
1903 dataA->nFileSizeHigh = dataW.nFileSizeHigh;
1904 dataA->nFileSizeLow = dataW.nFileSizeLow;
1905 FILE_name_WtoA( dataW.cFileName, -1, dataA->cFileName, sizeof(dataA->cFileName) );
1906 FILE_name_WtoA( dataW.cAlternateFileName, -1, dataA->cAlternateFileName,
1907 sizeof(dataA->cAlternateFileName) );
1908 return handle;
1909 }
1910
1911
1912 /*************************************************************************
1913 * FindFirstFileW (KERNEL32.@)
1914 */
1915 HANDLE WINAPI FindFirstFileW( LPCWSTR lpFileName, WIN32_FIND_DATAW *lpFindData )
1916 {
1917 return FindFirstFileExW(lpFileName, FindExInfoStandard, lpFindData,
1918 FindExSearchNameMatch, NULL, 0);
1919 }
1920
1921
1922 /*************************************************************************
1923 * FindNextFileA (KERNEL32.@)
1924 */
1925 BOOL WINAPI FindNextFileA( HANDLE handle, WIN32_FIND_DATAA *data )
1926 {
1927 WIN32_FIND_DATAW dataW;
1928
1929 if (!FindNextFileW( handle, &dataW )) return FALSE;
1930 data->dwFileAttributes = dataW.dwFileAttributes;
1931 data->ftCreationTime = dataW.ftCreationTime;
1932 data->ftLastAccessTime = dataW.ftLastAccessTime;
1933 data->ftLastWriteTime = dataW.ftLastWriteTime;
1934 data->nFileSizeHigh = dataW.nFileSizeHigh;
1935 data->nFileSizeLow = dataW.nFileSizeLow;
1936 FILE_name_WtoA( dataW.cFileName, -1, data->cFileName, sizeof(data->cFileName) );
1937 FILE_name_WtoA( dataW.cAlternateFileName, -1, data->cAlternateFileName,
1938 sizeof(data->cAlternateFileName) );
1939 return TRUE;
1940 }
1941
1942
1943 /**************************************************************************
1944 * GetFileAttributesW (KERNEL32.@)
1945 */
1946 DWORD WINAPI GetFileAttributesW( LPCWSTR name )
1947 {
1948 FILE_BASIC_INFORMATION info;
1949 UNICODE_STRING nt_name;
1950 OBJECT_ATTRIBUTES attr;
1951 NTSTATUS status;
1952
1953 TRACE("%s\n", debugstr_w(name));
1954
1955 if (!RtlDosPathNameToNtPathName_U( name, &nt_name, NULL, NULL ))
1956 {
1957 SetLastError( ERROR_PATH_NOT_FOUND );
1958 return INVALID_FILE_ATTRIBUTES;
1959 }
1960
1961 attr.Length = sizeof(attr);
1962 attr.RootDirectory = 0;
1963 attr.Attributes = OBJ_CASE_INSENSITIVE;
1964 attr.ObjectName = &nt_name;
1965 attr.SecurityDescriptor = NULL;
1966 attr.SecurityQualityOfService = NULL;
1967
1968 status = NtQueryAttributesFile( &attr, &info );
1969 RtlFreeUnicodeString( &nt_name );
1970
1971 if (status == STATUS_SUCCESS) return info.FileAttributes;
1972
1973 /* NtQueryAttributesFile fails on devices, but GetFileAttributesW succeeds */
1974 if (RtlIsDosDeviceName_U( name )) return FILE_ATTRIBUTE_ARCHIVE;
1975
1976 SetLastError( RtlNtStatusToDosError(status) );
1977 return INVALID_FILE_ATTRIBUTES;
1978 }
1979
1980
1981 /**************************************************************************
1982 * GetFileAttributesA (KERNEL32.@)
1983 */
1984 DWORD WINAPI GetFileAttributesA( LPCSTR name )
1985 {
1986 WCHAR *nameW;
1987
1988 if (!(nameW = FILE_name_AtoW( name, FALSE ))) return INVALID_FILE_ATTRIBUTES;
1989 return GetFileAttributesW( nameW );
1990 }
1991
1992
1993 /**************************************************************************
1994 * SetFileAttributesW (KERNEL32.@)
1995 */
1996 BOOL WINAPI SetFileAttributesW( LPCWSTR name, DWORD attributes )
1997 {
1998 UNICODE_STRING nt_name;
1999 OBJECT_ATTRIBUTES attr;
2000 IO_STATUS_BLOCK io;
2001 NTSTATUS status;
2002 HANDLE handle;
2003
2004 TRACE("%s %x\n", debugstr_w(name), attributes);
2005
2006 if (!RtlDosPathNameToNtPathName_U( name, &nt_name, NULL, NULL ))
2007 {
2008 SetLastError( ERROR_PATH_NOT_FOUND );
2009 return FALSE;
2010 }
2011
2012 attr.Length = sizeof(attr);
2013 attr.RootDirectory = 0;
2014 attr.Attributes = OBJ_CASE_INSENSITIVE;
2015 attr.ObjectName = &nt_name;
2016 attr.SecurityDescriptor = NULL;
2017 attr.SecurityQualityOfService = NULL;
2018
2019 status = NtOpenFile( &handle, 0, &attr, &io, 0, FILE_SYNCHRONOUS_IO_NONALERT );
2020 RtlFreeUnicodeString( &nt_name );
2021
2022 if (status == STATUS_SUCCESS)
2023 {
2024 FILE_BASIC_INFORMATION info;
2025
2026 memset( &info, 0, sizeof(info) );
2027 info.FileAttributes = attributes | FILE_ATTRIBUTE_NORMAL; /* make sure it's not zero */
2028 status = NtSetInformationFile( handle, &io, &info, sizeof(info), FileBasicInformation );
2029 NtClose( handle );
2030 }
2031
2032 if (status == STATUS_SUCCESS) return TRUE;
2033 SetLastError( RtlNtStatusToDosError(status) );
2034 return FALSE;
2035 }
2036
2037
2038 /**************************************************************************
2039 * SetFileAttributesA (KERNEL32.@)
2040 */
2041 BOOL WINAPI SetFileAttributesA( LPCSTR name, DWORD attributes )
2042 {
2043 WCHAR *nameW;
2044
2045 if (!(nameW = FILE_name_AtoW( name, FALSE ))) return FALSE;
2046 return SetFileAttributesW( nameW, attributes );
2047 }
2048
2049
2050 /**************************************************************************
2051 * GetFileAttributesExW (KERNEL32.@)
2052 */
2053 BOOL WINAPI GetFileAttributesExW( LPCWSTR name, GET_FILEEX_INFO_LEVELS level, LPVOID ptr )
2054 {
2055 FILE_NETWORK_OPEN_INFORMATION info;
2056 WIN32_FILE_ATTRIBUTE_DATA *data = ptr;
2057 UNICODE_STRING nt_name;
2058 OBJECT_ATTRIBUTES attr;
2059 NTSTATUS status;
2060
2061 TRACE("%s %d %p\n", debugstr_w(name), level, ptr);
2062
2063 if (level != GetFileExInfoStandard)
2064 {
2065 SetLastError( ERROR_INVALID_PARAMETER );
2066 return FALSE;
2067 }
2068
2069 if (!RtlDosPathNameToNtPathName_U( name, &nt_name, NULL, NULL ))
2070 {
2071 SetLastError( ERROR_PATH_NOT_FOUND );
2072 return FALSE;
2073 }
2074
2075 attr.Length = sizeof(attr);
2076 attr.RootDirectory = 0;
2077 attr.Attributes = OBJ_CASE_INSENSITIVE;
2078 attr.ObjectName = &nt_name;
2079 attr.SecurityDescriptor = NULL;
2080 attr.SecurityQualityOfService = NULL;
2081
2082 status = NtQueryFullAttributesFile( &attr, &info );
2083 RtlFreeUnicodeString( &nt_name );
2084
2085 if (status != STATUS_SUCCESS)
2086 {
2087 SetLastError( RtlNtStatusToDosError(status) );
2088 return FALSE;
2089 }
2090
2091 data->dwFileAttributes = info.FileAttributes;
2092 data->ftCreationTime.dwLowDateTime = info.CreationTime.u.LowPart;
2093 data->ftCreationTime.dwHighDateTime = info.CreationTime.u.HighPart;
2094 data->ftLastAccessTime.dwLowDateTime = info.LastAccessTime.u.LowPart;
2095 data->ftLastAccessTime.dwHighDateTime = info.LastAccessTime.u.HighPart;
2096 data->ftLastWriteTime.dwLowDateTime = info.LastWriteTime.u.LowPart;
2097 data->ftLastWriteTime.dwHighDateTime = info.LastWriteTime.u.HighPart;
2098 data->nFileSizeLow = info.EndOfFile.u.LowPart;
2099 data->nFileSizeHigh = info.EndOfFile.u.HighPart;
2100 return TRUE;
2101 }
2102
2103
2104 /**************************************************************************
2105 * GetFileAttributesExA (KERNEL32.@)
2106 */
2107 BOOL WINAPI GetFileAttributesExA( LPCSTR name, GET_FILEEX_INFO_LEVELS level, LPVOID ptr )
2108 {
2109 WCHAR *nameW;
2110
2111 if (!(nameW = FILE_name_AtoW( name, FALSE ))) return FALSE;
2112 return GetFileAttributesExW( nameW, level, ptr );
2113 }
2114
2115
2116 /******************************************************************************
2117 * GetCompressedFileSizeW (KERNEL32.@)
2118 *
2119 * Get the actual number of bytes used on disk.
2120 *
2121 * RETURNS
2122 * Success: Low-order doubleword of number of bytes
2123 * Failure: INVALID_FILE_SIZE
2124 */
2125 DWORD WINAPI GetCompressedFileSizeW(
2126 LPCWSTR name, /* [in] Pointer to name of file */
2127 LPDWORD size_high ) /* [out] Receives high-order doubleword of size */
2128 {
2129 UNICODE_STRING nt_name;
2130 OBJECT_ATTRIBUTES attr;
2131 IO_STATUS_BLOCK io;
2132 NTSTATUS status;
2133 HANDLE handle;
2134 DWORD ret = INVALID_FILE_SIZE;
2135
2136 TRACE("%s %p\n", debugstr_w(name), size_high);
2137
2138 if (!RtlDosPathNameToNtPathName_U( name, &nt_name, NULL, NULL ))
2139 {
2140 SetLastError( ERROR_PATH_NOT_FOUND );
2141 return INVALID_FILE_SIZE;
2142 }
2143
2144 attr.Length = sizeof(attr);
2145 attr.RootDirectory = 0;
2146 attr.Attributes = OBJ_CASE_INSENSITIVE;
2147 attr.ObjectName = &nt_name;
2148 attr.SecurityDescriptor = NULL;
2149 attr.SecurityQualityOfService = NULL;
2150
2151 status = NtOpenFile( &handle, 0, &attr, &io, 0, FILE_SYNCHRONOUS_IO_NONALERT );
2152 RtlFreeUnicodeString( &nt_name );
2153
2154 if (status == STATUS_SUCCESS)
2155 {
2156 /* we don't support compressed files, simply return the file size */
2157 ret = GetFileSize( handle, size_high );
2158 NtClose( handle );
2159 }
2160 else SetLastError( RtlNtStatusToDosError(status) );
2161
2162 return ret;
2163 }
2164
2165
2166 /******************************************************************************
2167 * GetCompressedFileSizeA (KERNEL32.@)
2168 *
2169 * See GetCompressedFileSizeW.
2170 */
2171 DWORD WINAPI GetCompressedFileSizeA( LPCSTR name, LPDWORD size_high )
2172 {
2173 WCHAR *nameW;
2174
2175 if (!(nameW = FILE_name_AtoW( name, FALSE ))) return INVALID_FILE_SIZE;
2176 return GetCompressedFileSizeW( nameW, size_high );
2177 }
2178
2179
2180 /***********************************************************************
2181 * OpenFile (KERNEL32.@)
2182 */
2183 HFILE WINAPI OpenFile( LPCSTR name, OFSTRUCT *ofs, UINT mode )
2184 {
2185 HANDLE handle;
2186 FILETIME filetime;
2187 WORD filedatetime[2];
2188
2189 if (!ofs) return HFILE_ERROR;
2190
2191 TRACE("%s %s %s %s%s%s%s%s%s%s%s%s\n",name,
2192 ((mode & 0x3 )==OF_READ)?"OF_READ":
2193 ((mode & 0x3 )==OF_WRITE)?"OF_WRITE":
2194 ((mode & 0x3 )==OF_READWRITE)?"OF_READWRITE":"unknown",
2195 ((mode & 0x70 )==OF_SHARE_COMPAT)?"OF_SHARE_COMPAT":
2196 ((mode & 0x70 )==OF_SHARE_DENY_NONE)?"OF_SHARE_DENY_NONE":
2197 ((mode & 0x70 )==OF_SHARE_DENY_READ)?"OF_SHARE_DENY_READ":
2198 ((mode & 0x70 )==OF_SHARE_DENY_WRITE)?"OF_SHARE_DENY_WRITE":
2199 ((mode & 0x70 )==OF_SHARE_EXCLUSIVE)?"OF_SHARE_EXCLUSIVE":"unknown",
2200 ((mode & OF_PARSE )==OF_PARSE)?"OF_PARSE ":"",
2201 ((mode & OF_DELETE )==OF_DELETE)?"OF_DELETE ":"",
2202 ((mode & OF_VERIFY )==OF_VERIFY)?"OF_VERIFY ":"",
2203 ((mode & OF_SEARCH )==OF_SEARCH)?"OF_SEARCH ":"",
2204 ((mode & OF_CANCEL )==OF_CANCEL)?"OF_CANCEL ":"",
2205 ((mode & OF_CREATE )==OF_CREATE)?"OF_CREATE ":"",
2206 ((mode & OF_PROMPT )==OF_PROMPT)?"OF_PROMPT ":"",
2207 ((mode & OF_EXIST )==OF_EXIST)?"OF_EXIST ":"",
2208 ((mode & OF_REOPEN )==OF_REOPEN)?"OF_REOPEN ":""
2209 );
2210
2211
2212 ofs->cBytes = sizeof(OFSTRUCT);
2213 ofs->nErrCode = 0;
2214 if (mode & OF_REOPEN) name = ofs->szPathName;
2215
2216 if (!name) return HFILE_ERROR;
2217
2218 TRACE("%s %04x\n", name, mode );
2219
2220 /* the watcom 10.6 IDE relies on a valid path returned in ofs->szPathName
2221 Are there any cases where getting the path here is wrong?
2222 Uwe Bonnes 1997 Apr 2 */
2223 if (!GetFullPathNameA( name, sizeof(ofs->szPathName), ofs->szPathName, NULL )) goto error;
2224
2225 /* OF_PARSE simply fills the structure */
2226
2227 if (mode & OF_PARSE)
2228 {
2229 ofs->fFixedDisk = (GetDriveTypeA( ofs->szPathName ) != DRIVE_REMOVABLE);
2230 TRACE("(%s): OF_PARSE, res = '%s'\n", name, ofs->szPathName );
2231 return 0;
2232 }
2233
2234 /* OF_CREATE is completely different from all other options, so
2235 handle it first */
2236
2237 if (mode & OF_CREATE)
2238 {
2239 if ((handle = create_file_OF( name, mode )) == INVALID_HANDLE_VALUE)
2240 goto error;
2241 }
2242 else
2243 {
2244 /* Now look for the file */
2245
2246 if (!SearchPathA( NULL, name, NULL, sizeof(ofs->szPathName), ofs->szPathName, NULL ))
2247 goto error;
2248
2249 TRACE("found %s\n", debugstr_a(ofs->szPathName) );
2250
2251 if (mode & OF_DELETE)
2252 {
2253 if (!DeleteFileA( ofs->szPathName )) goto error;
2254 TRACE("(%s): OF_DELETE return = OK\n", name);
2255 return TRUE;
2256 }
2257
2258 handle = (HANDLE)_lopen( ofs->szPathName, mode );
2259 if (handle == INVALID_HANDLE_VALUE) goto error;
2260
2261 GetFileTime( handle, NULL, NULL, &filetime );
2262 FileTimeToDosDateTime( &filetime, &filedatetime[0], &filedatetime[1] );
2263 if ((mode & OF_VERIFY) && (mode & OF_REOPEN))
2264 {
2265 if (ofs->Reserved1 != filedatetime[0] || ofs->Reserved2 != filedatetime[1] )
2266 {
2267 CloseHandle( handle );
2268 WARN("(%s): OF_VERIFY failed\n", name );
2269 /* FIXME: what error here? */
2270 SetLastError( ERROR_FILE_NOT_FOUND );
2271 goto error;
2272 }
2273 }
2274 ofs->Reserved1 = filedatetime[0];
2275 ofs->Reserved2 = filedatetime[1];
2276 }
2277 TRACE("(%s): OK, return = %p\n", name, handle );
2278 if (mode & OF_EXIST) /* Return TRUE instead of a handle */
2279 {
2280 CloseHandle( handle );
2281 return TRUE;
2282 }
2283 else return (HFILE)handle;
2284
2285 error: /* We get here if there was an error opening the file */
2286 ofs->nErrCode = GetLastError();
2287 WARN("(%s): return = HFILE_ERROR error= %d\n", name,ofs->nErrCode );
2288 return HFILE_ERROR;
2289 }
useful hacks and other patches not (yet) suitable for mainline