wbemprox: Support overriding the CIM to VARIANT type mapping for method parameters.
[wine] / dlls / kernel32 / file.c
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 && status != STATUS_PENDING)
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 && status != STATUS_PENDING)
488     {
489         SetLastError( RtlNtStatusToDosError(status) );
490         return FALSE;
491     }
492     return TRUE;
493 }
494
495
496 /***********************************************************************
497  *              WriteFileGather                (KERNEL32.@)
498  */
499 BOOL WINAPI WriteFileGather( HANDLE file, FILE_SEGMENT_ELEMENT *segments, DWORD count,
500                              LPDWORD reserved, LPOVERLAPPED overlapped )
501 {
502     PIO_STATUS_BLOCK io_status;
503     LARGE_INTEGER offset;
504     NTSTATUS status;
505
506     TRACE( "%p %p %u %p\n", file, segments, count, overlapped );
507
508     offset.u.LowPart = overlapped->u.s.Offset;
509     offset.u.HighPart = overlapped->u.s.OffsetHigh;
510     io_status = (PIO_STATUS_BLOCK)overlapped;
511     io_status->u.Status = STATUS_PENDING;
512     io_status->Information = 0;
513
514     status = NtWriteFileGather( file, NULL, NULL, NULL, io_status, segments, count, &offset, NULL );
515     if (status) SetLastError( RtlNtStatusToDosError(status) );
516     return !status;
517 }
518
519
520 /***********************************************************************
521  *             WriteFile               (KERNEL32.@)
522  */
523 BOOL WINAPI WriteFile( HANDLE hFile, LPCVOID buffer, DWORD bytesToWrite,
524                        LPDWORD bytesWritten, LPOVERLAPPED overlapped )
525 {
526     HANDLE hEvent = NULL;
527     LARGE_INTEGER offset;
528     PLARGE_INTEGER poffset = NULL;
529     NTSTATUS status;
530     IO_STATUS_BLOCK iosb;
531     PIO_STATUS_BLOCK piosb = &iosb;
532     LPVOID cvalue = NULL;
533
534     TRACE("%p %p %d %p %p\n", hFile, buffer, bytesToWrite, bytesWritten, overlapped );
535
536     if (is_console_handle(hFile))
537         return WriteConsoleA(hFile, buffer, bytesToWrite, bytesWritten, NULL);
538
539     if (overlapped)
540     {
541         offset.u.LowPart = overlapped->u.s.Offset;
542         offset.u.HighPart = overlapped->u.s.OffsetHigh;
543         poffset = &offset;
544         hEvent = overlapped->hEvent;
545         piosb = (PIO_STATUS_BLOCK)overlapped;
546         if (((ULONG_PTR)hEvent & 1) == 0) cvalue = overlapped;
547     }
548     piosb->u.Status = STATUS_PENDING;
549     piosb->Information = 0;
550
551     status = NtWriteFile(hFile, hEvent, NULL, cvalue, piosb,
552                          buffer, bytesToWrite, poffset, NULL);
553
554     if (status == STATUS_PENDING && !overlapped)
555     {
556         WaitForSingleObject( hFile, INFINITE );
557         status = piosb->u.Status;
558     }
559
560     if (status != STATUS_PENDING && bytesWritten)
561         *bytesWritten = piosb->Information;
562
563     if (status && status != STATUS_TIMEOUT)
564     {
565         SetLastError( RtlNtStatusToDosError(status) );
566         return FALSE;
567     }
568     return TRUE;
569 }
570
571
572 /***********************************************************************
573  *              GetOverlappedResult     (KERNEL32.@)
574  *
575  * Check the result of an Asynchronous data transfer from a file.
576  *
577  * Parameters
578  *   HANDLE hFile                 [in] handle of file to check on
579  *   LPOVERLAPPED lpOverlapped    [in/out] pointer to overlapped
580  *   LPDWORD lpTransferred        [in/out] number of bytes transferred
581  *   BOOL bWait                   [in] wait for the transfer to complete ?
582  *
583  * RETURNS
584  *   TRUE on success
585  *   FALSE on failure
586  *
587  *  If successful (and relevant) lpTransferred will hold the number of
588  *   bytes transferred during the async operation.
589  */
590 BOOL WINAPI GetOverlappedResult(HANDLE hFile, LPOVERLAPPED lpOverlapped,
591                                 LPDWORD lpTransferred, BOOL bWait)
592 {
593     NTSTATUS status;
594
595     TRACE( "(%p %p %p %x)\n", hFile, lpOverlapped, lpTransferred, bWait );
596
597     status = lpOverlapped->Internal;
598     if (status == STATUS_PENDING)
599     {
600         if (!bWait)
601         {
602             SetLastError( ERROR_IO_INCOMPLETE );
603             return FALSE;
604         }
605
606         if (WaitForSingleObject( lpOverlapped->hEvent ? lpOverlapped->hEvent : hFile,
607                                  INFINITE ) == WAIT_FAILED)
608             return FALSE;
609         status = lpOverlapped->Internal;
610     }
611
612     *lpTransferred = lpOverlapped->InternalHigh;
613
614     if (status) SetLastError( RtlNtStatusToDosError(status) );
615     return !status;
616 }
617
618 /***********************************************************************
619  *             CancelIoEx                 (KERNEL32.@)
620  *
621  * Cancels pending I/O operations on a file given the overlapped used.
622  *
623  * PARAMS
624  *  handle        [I] File handle.
625  *  lpOverlapped  [I,OPT] pointer to overlapped (if null, cancel all)
626  *
627  * RETURNS
628  *  Success: TRUE.
629  *  Failure: FALSE, check GetLastError().
630  */
631 BOOL WINAPI CancelIoEx(HANDLE handle, LPOVERLAPPED lpOverlapped)
632 {
633     IO_STATUS_BLOCK    io_status;
634
635     NtCancelIoFileEx(handle, (PIO_STATUS_BLOCK) lpOverlapped, &io_status);
636     if (io_status.u.Status)
637     {
638         SetLastError( RtlNtStatusToDosError( io_status.u.Status ) );
639         return FALSE;
640     }
641     return TRUE;
642 }
643
644 /***********************************************************************
645  *             CancelIo                   (KERNEL32.@)
646  *
647  * Cancels pending I/O operations initiated by the current thread on a file.
648  *
649  * PARAMS
650  *  handle [I] File handle.
651  *
652  * RETURNS
653  *  Success: TRUE.
654  *  Failure: FALSE, check GetLastError().
655  */
656 BOOL WINAPI CancelIo(HANDLE handle)
657 {
658     IO_STATUS_BLOCK    io_status;
659
660     NtCancelIoFile(handle, &io_status);
661     if (io_status.u.Status)
662     {
663         SetLastError( RtlNtStatusToDosError( io_status.u.Status ) );
664         return FALSE;
665     }
666     return TRUE;
667 }
668
669 /***********************************************************************
670  *           _hread   (KERNEL32.@)
671  */
672 LONG WINAPI _hread( HFILE hFile, LPVOID buffer, LONG count)
673 {
674     return _lread( hFile, buffer, count );
675 }
676
677
678 /***********************************************************************
679  *           _hwrite   (KERNEL32.@)
680  *
681  *      experimentation yields that _lwrite:
682  *              o truncates the file at the current position with
683  *                a 0 len write
684  *              o returns 0 on a 0 length write
685  *              o works with console handles
686  *
687  */
688 LONG WINAPI _hwrite( HFILE handle, LPCSTR buffer, LONG count )
689 {
690     DWORD result;
691
692     TRACE("%d %p %d\n", handle, buffer, count );
693
694     if (!count)
695     {
696         /* Expand or truncate at current position */
697         if (!SetEndOfFile( LongToHandle(handle) )) return HFILE_ERROR;
698         return 0;
699     }
700     if (!WriteFile( LongToHandle(handle), buffer, count, &result, NULL ))
701         return HFILE_ERROR;
702     return result;
703 }
704
705
706 /***********************************************************************
707  *           _lclose   (KERNEL32.@)
708  */
709 HFILE WINAPI _lclose( HFILE hFile )
710 {
711     TRACE("handle %d\n", hFile );
712     return CloseHandle( LongToHandle(hFile) ) ? 0 : HFILE_ERROR;
713 }
714
715
716 /***********************************************************************
717  *           _lcreat   (KERNEL32.@)
718  */
719 HFILE WINAPI _lcreat( LPCSTR path, INT attr )
720 {
721     HANDLE hfile;
722
723     /* Mask off all flags not explicitly allowed by the doc */
724     attr &= FILE_ATTRIBUTE_READONLY | FILE_ATTRIBUTE_HIDDEN | FILE_ATTRIBUTE_SYSTEM;
725     TRACE("%s %02x\n", path, attr );
726     hfile = CreateFileA( path, GENERIC_READ | GENERIC_WRITE,
727                                FILE_SHARE_READ | FILE_SHARE_WRITE, NULL,
728                                CREATE_ALWAYS, attr, 0 );
729     return HandleToLong(hfile);
730 }
731
732
733 /***********************************************************************
734  *           _lopen   (KERNEL32.@)
735  */
736 HFILE WINAPI _lopen( LPCSTR path, INT mode )
737 {
738     HANDLE hfile;
739
740     TRACE("(%s,%04x)\n", debugstr_a(path), mode );
741     hfile = create_file_OF( path, mode & ~OF_CREATE );
742     return HandleToLong(hfile);
743 }
744
745 /***********************************************************************
746  *           _lread   (KERNEL32.@)
747  */
748 UINT WINAPI _lread( HFILE handle, LPVOID buffer, UINT count )
749 {
750     DWORD result;
751     if (!ReadFile( LongToHandle(handle), buffer, count, &result, NULL ))
752         return HFILE_ERROR;
753     return result;
754 }
755
756
757 /***********************************************************************
758  *           _llseek   (KERNEL32.@)
759  */
760 LONG WINAPI _llseek( HFILE hFile, LONG lOffset, INT nOrigin )
761 {
762     return SetFilePointer( LongToHandle(hFile), lOffset, NULL, nOrigin );
763 }
764
765
766 /***********************************************************************
767  *           _lwrite   (KERNEL32.@)
768  */
769 UINT WINAPI _lwrite( HFILE hFile, LPCSTR buffer, UINT count )
770 {
771     return (UINT)_hwrite( hFile, buffer, (LONG)count );
772 }
773
774
775 /***********************************************************************
776  *           FlushFileBuffers   (KERNEL32.@)
777  */
778 BOOL WINAPI FlushFileBuffers( HANDLE hFile )
779 {
780     NTSTATUS            nts;
781     IO_STATUS_BLOCK     ioblk;
782
783     if (is_console_handle( hFile ))
784     {
785         /* this will fail (as expected) for an output handle */
786         return FlushConsoleInputBuffer( hFile );
787     }
788     nts = NtFlushBuffersFile( hFile, &ioblk );
789     if (nts != STATUS_SUCCESS)
790     {
791         SetLastError( RtlNtStatusToDosError( nts ) );
792         return FALSE;
793     }
794
795     return TRUE;
796 }
797
798
799 /***********************************************************************
800  *           GetFileType   (KERNEL32.@)
801  */
802 DWORD WINAPI GetFileType( HANDLE hFile )
803 {
804     FILE_FS_DEVICE_INFORMATION info;
805     IO_STATUS_BLOCK io;
806     NTSTATUS status;
807
808     if (is_console_handle( hFile )) return FILE_TYPE_CHAR;
809
810     status = NtQueryVolumeInformationFile( hFile, &io, &info, sizeof(info), FileFsDeviceInformation );
811     if (status != STATUS_SUCCESS)
812     {
813         SetLastError( RtlNtStatusToDosError(status) );
814         return FILE_TYPE_UNKNOWN;
815     }
816
817     switch(info.DeviceType)
818     {
819     case FILE_DEVICE_NULL:
820     case FILE_DEVICE_SERIAL_PORT:
821     case FILE_DEVICE_PARALLEL_PORT:
822     case FILE_DEVICE_TAPE:
823     case FILE_DEVICE_UNKNOWN:
824         return FILE_TYPE_CHAR;
825     case FILE_DEVICE_NAMED_PIPE:
826         return FILE_TYPE_PIPE;
827     default:
828         return FILE_TYPE_DISK;
829     }
830 }
831
832
833 /***********************************************************************
834  *             GetFileInformationByHandle   (KERNEL32.@)
835  */
836 BOOL WINAPI GetFileInformationByHandle( HANDLE hFile, BY_HANDLE_FILE_INFORMATION *info )
837 {
838     FILE_ALL_INFORMATION all_info;
839     IO_STATUS_BLOCK io;
840     NTSTATUS status;
841
842     status = NtQueryInformationFile( hFile, &io, &all_info, sizeof(all_info), FileAllInformation );
843     if (status == STATUS_BUFFER_OVERFLOW) status = STATUS_SUCCESS;
844     if (status == STATUS_SUCCESS)
845     {
846         info->dwFileAttributes                = all_info.BasicInformation.FileAttributes;
847         info->ftCreationTime.dwHighDateTime   = all_info.BasicInformation.CreationTime.u.HighPart;
848         info->ftCreationTime.dwLowDateTime    = all_info.BasicInformation.CreationTime.u.LowPart;
849         info->ftLastAccessTime.dwHighDateTime = all_info.BasicInformation.LastAccessTime.u.HighPart;
850         info->ftLastAccessTime.dwLowDateTime  = all_info.BasicInformation.LastAccessTime.u.LowPart;
851         info->ftLastWriteTime.dwHighDateTime  = all_info.BasicInformation.LastWriteTime.u.HighPart;
852         info->ftLastWriteTime.dwLowDateTime   = all_info.BasicInformation.LastWriteTime.u.LowPart;
853         info->dwVolumeSerialNumber            = 0;  /* FIXME */
854         info->nFileSizeHigh                   = all_info.StandardInformation.EndOfFile.u.HighPart;
855         info->nFileSizeLow                    = all_info.StandardInformation.EndOfFile.u.LowPart;
856         info->nNumberOfLinks                  = all_info.StandardInformation.NumberOfLinks;
857         info->nFileIndexHigh                  = all_info.InternalInformation.IndexNumber.u.HighPart;
858         info->nFileIndexLow                   = all_info.InternalInformation.IndexNumber.u.LowPart;
859         return TRUE;
860     }
861     SetLastError( RtlNtStatusToDosError(status) );
862     return FALSE;
863 }
864
865
866 /***********************************************************************
867 *             GetFileInformationByHandleEx (KERNEL32.@)
868 */
869 BOOL WINAPI GetFileInformationByHandleEx( HANDLE handle, FILE_INFO_BY_HANDLE_CLASS class,
870                                           LPVOID info, DWORD size )
871 {
872     NTSTATUS status;
873     IO_STATUS_BLOCK io;
874
875     switch (class)
876     {
877     case FileBasicInfo:
878     case FileStandardInfo:
879     case FileNameInfo:
880     case FileRenameInfo:
881     case FileDispositionInfo:
882     case FileAllocationInfo:
883     case FileEndOfFileInfo:
884     case FileStreamInfo:
885     case FileCompressionInfo:
886     case FileAttributeTagInfo:
887     case FileIoPriorityHintInfo:
888     case FileRemoteProtocolInfo:
889     case FileFullDirectoryInfo:
890     case FileFullDirectoryRestartInfo:
891     case FileStorageInfo:
892     case FileAlignmentInfo:
893     case FileIdInfo:
894     case FileIdExtdDirectoryInfo:
895     case FileIdExtdDirectoryRestartInfo:
896         FIXME( "%p, %u, %p, %u\n", handle, class, info, size );
897         SetLastError( ERROR_CALL_NOT_IMPLEMENTED );
898         return FALSE;
899
900     case FileIdBothDirectoryRestartInfo:
901     case FileIdBothDirectoryInfo:
902         status = NtQueryDirectoryFile( handle, NULL, NULL, NULL, &io, info, size,
903                                        FileIdBothDirectoryInformation, FALSE, NULL,
904                                        (class == FileIdBothDirectoryRestartInfo) );
905         if (status != STATUS_SUCCESS)
906         {
907             SetLastError( RtlNtStatusToDosError( status ) );
908             return FALSE;
909         }
910         return TRUE;
911
912     default:
913         SetLastError( ERROR_INVALID_PARAMETER );
914         return FALSE;
915     }
916 }
917
918
919 /***********************************************************************
920  *           GetFileSize   (KERNEL32.@)
921  *
922  * Retrieve the size of a file.
923  *
924  * PARAMS
925  *  hFile        [I] File to retrieve size of.
926  *  filesizehigh [O] On return, the high bits of the file size.
927  *
928  * RETURNS
929  *  Success: The low bits of the file size.
930  *  Failure: INVALID_FILE_SIZE. As this is could also be a success value,
931  *           check GetLastError() for values other than ERROR_SUCCESS.
932  */
933 DWORD WINAPI GetFileSize( HANDLE hFile, LPDWORD filesizehigh )
934 {
935     LARGE_INTEGER size;
936     if (!GetFileSizeEx( hFile, &size )) return INVALID_FILE_SIZE;
937     if (filesizehigh) *filesizehigh = size.u.HighPart;
938     if (size.u.LowPart == INVALID_FILE_SIZE) SetLastError(0);
939     return size.u.LowPart;
940 }
941
942
943 /***********************************************************************
944  *           GetFileSizeEx   (KERNEL32.@)
945  *
946  * Retrieve the size of a file.
947  *
948  * PARAMS
949  *  hFile        [I] File to retrieve size of.
950  *  lpFileSIze   [O] On return, the size of the file.
951  *
952  * RETURNS
953  *  Success: TRUE.
954  *  Failure: FALSE, check GetLastError().
955  */
956 BOOL WINAPI GetFileSizeEx( HANDLE hFile, PLARGE_INTEGER lpFileSize )
957 {
958     FILE_STANDARD_INFORMATION info;
959     IO_STATUS_BLOCK io;
960     NTSTATUS status;
961
962     status = NtQueryInformationFile( hFile, &io, &info, sizeof(info), FileStandardInformation );
963     if (status == STATUS_SUCCESS)
964     {
965         *lpFileSize = info.EndOfFile;
966         return TRUE;
967     }
968     SetLastError( RtlNtStatusToDosError(status) );
969     return FALSE;
970 }
971
972
973 /**************************************************************************
974  *           SetEndOfFile   (KERNEL32.@)
975  *
976  * Sets the current position as the end of the file.
977  *
978  * PARAMS
979  *  hFile [I] File handle.
980  *
981  * RETURNS
982  *  Success: TRUE.
983  *  Failure: FALSE, check GetLastError().
984  */
985 BOOL WINAPI SetEndOfFile( HANDLE hFile )
986 {
987     FILE_POSITION_INFORMATION pos;
988     FILE_END_OF_FILE_INFORMATION eof;
989     IO_STATUS_BLOCK io;
990     NTSTATUS status;
991
992     status = NtQueryInformationFile( hFile, &io, &pos, sizeof(pos), FilePositionInformation );
993     if (status == STATUS_SUCCESS)
994     {
995         eof.EndOfFile = pos.CurrentByteOffset;
996         status = NtSetInformationFile( hFile, &io, &eof, sizeof(eof), FileEndOfFileInformation );
997     }
998     if (status == STATUS_SUCCESS) return TRUE;
999     SetLastError( RtlNtStatusToDosError(status) );
1000     return FALSE;
1001 }
1002
1003
1004 /***********************************************************************
1005  *           SetFilePointer   (KERNEL32.@)
1006  */
1007 DWORD WINAPI SetFilePointer( HANDLE hFile, LONG distance, LONG *highword, DWORD method )
1008 {
1009     LARGE_INTEGER dist, newpos;
1010
1011     if (highword)
1012     {
1013         dist.u.LowPart  = distance;
1014         dist.u.HighPart = *highword;
1015     }
1016     else dist.QuadPart = distance;
1017
1018     if (!SetFilePointerEx( hFile, dist, &newpos, method )) return INVALID_SET_FILE_POINTER;
1019
1020     if (highword) *highword = newpos.u.HighPart;
1021     if (newpos.u.LowPart == INVALID_SET_FILE_POINTER) SetLastError( 0 );
1022     return newpos.u.LowPart;
1023 }
1024
1025
1026 /***********************************************************************
1027  *           SetFilePointerEx   (KERNEL32.@)
1028  */
1029 BOOL WINAPI SetFilePointerEx( HANDLE hFile, LARGE_INTEGER distance,
1030                               LARGE_INTEGER *newpos, DWORD method )
1031 {
1032     LONGLONG pos;
1033     IO_STATUS_BLOCK io;
1034     FILE_POSITION_INFORMATION info;
1035
1036     switch(method)
1037     {
1038     case FILE_BEGIN:
1039         pos = distance.QuadPart;
1040         break;
1041     case FILE_CURRENT:
1042         if (NtQueryInformationFile( hFile, &io, &info, sizeof(info), FilePositionInformation ))
1043             goto error;
1044         pos = info.CurrentByteOffset.QuadPart + distance.QuadPart;
1045         break;
1046     case FILE_END:
1047         {
1048             FILE_END_OF_FILE_INFORMATION eof;
1049             if (NtQueryInformationFile( hFile, &io, &eof, sizeof(eof), FileEndOfFileInformation ))
1050                 goto error;
1051             pos = eof.EndOfFile.QuadPart + distance.QuadPart;
1052         }
1053         break;
1054     default:
1055         SetLastError( ERROR_INVALID_PARAMETER );
1056         return FALSE;
1057     }
1058
1059     if (pos < 0)
1060     {
1061         SetLastError( ERROR_NEGATIVE_SEEK );
1062         return FALSE;
1063     }
1064
1065     info.CurrentByteOffset.QuadPart = pos;
1066     if (NtSetInformationFile( hFile, &io, &info, sizeof(info), FilePositionInformation ))
1067         goto error;
1068     if (newpos) newpos->QuadPart = pos;
1069     return TRUE;
1070
1071 error:
1072     SetLastError( RtlNtStatusToDosError(io.u.Status) );
1073     return FALSE;
1074 }
1075
1076 /***********************************************************************
1077  *           SetFileValidData   (KERNEL32.@)
1078  */
1079 BOOL WINAPI SetFileValidData( HANDLE hFile, LONGLONG ValidDataLength )
1080 {
1081     FIXME("stub: %p, %s\n", hFile, wine_dbgstr_longlong(ValidDataLength));
1082     SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
1083     return FALSE;
1084 }
1085
1086 /***********************************************************************
1087  *           GetFileTime   (KERNEL32.@)
1088  */
1089 BOOL WINAPI GetFileTime( HANDLE hFile, FILETIME *lpCreationTime,
1090                          FILETIME *lpLastAccessTime, FILETIME *lpLastWriteTime )
1091 {
1092     FILE_BASIC_INFORMATION info;
1093     IO_STATUS_BLOCK io;
1094     NTSTATUS status;
1095
1096     status = NtQueryInformationFile( hFile, &io, &info, sizeof(info), FileBasicInformation );
1097     if (status == STATUS_SUCCESS)
1098     {
1099         if (lpCreationTime)
1100         {
1101             lpCreationTime->dwHighDateTime = info.CreationTime.u.HighPart;
1102             lpCreationTime->dwLowDateTime  = info.CreationTime.u.LowPart;
1103         }
1104         if (lpLastAccessTime)
1105         {
1106             lpLastAccessTime->dwHighDateTime = info.LastAccessTime.u.HighPart;
1107             lpLastAccessTime->dwLowDateTime  = info.LastAccessTime.u.LowPart;
1108         }
1109         if (lpLastWriteTime)
1110         {
1111             lpLastWriteTime->dwHighDateTime = info.LastWriteTime.u.HighPart;
1112             lpLastWriteTime->dwLowDateTime  = info.LastWriteTime.u.LowPart;
1113         }
1114         return TRUE;
1115     }
1116     SetLastError( RtlNtStatusToDosError(status) );
1117     return FALSE;
1118 }
1119
1120
1121 /***********************************************************************
1122  *              SetFileTime   (KERNEL32.@)
1123  */
1124 BOOL WINAPI SetFileTime( HANDLE hFile, const FILETIME *ctime,
1125                          const FILETIME *atime, const FILETIME *mtime )
1126 {
1127     FILE_BASIC_INFORMATION info;
1128     IO_STATUS_BLOCK io;
1129     NTSTATUS status;
1130
1131     memset( &info, 0, sizeof(info) );
1132     if (ctime)
1133     {
1134         info.CreationTime.u.HighPart = ctime->dwHighDateTime;
1135         info.CreationTime.u.LowPart  = ctime->dwLowDateTime;
1136     }
1137     if (atime)
1138     {
1139         info.LastAccessTime.u.HighPart = atime->dwHighDateTime;
1140         info.LastAccessTime.u.LowPart  = atime->dwLowDateTime;
1141     }
1142     if (mtime)
1143     {
1144         info.LastWriteTime.u.HighPart = mtime->dwHighDateTime;
1145         info.LastWriteTime.u.LowPart  = mtime->dwLowDateTime;
1146     }
1147
1148     status = NtSetInformationFile( hFile, &io, &info, sizeof(info), FileBasicInformation );
1149     if (status == STATUS_SUCCESS) return TRUE;
1150     SetLastError( RtlNtStatusToDosError(status) );
1151     return FALSE;
1152 }
1153
1154
1155 /**************************************************************************
1156  *           LockFile   (KERNEL32.@)
1157  */
1158 BOOL WINAPI LockFile( HANDLE hFile, DWORD offset_low, DWORD offset_high,
1159                       DWORD count_low, DWORD count_high )
1160 {
1161     NTSTATUS            status;
1162     LARGE_INTEGER       count, offset;
1163
1164     TRACE( "%p %x%08x %x%08x\n",
1165            hFile, offset_high, offset_low, count_high, count_low );
1166
1167     count.u.LowPart = count_low;
1168     count.u.HighPart = count_high;
1169     offset.u.LowPart = offset_low;
1170     offset.u.HighPart = offset_high;
1171
1172     status = NtLockFile( hFile, 0, NULL, NULL,
1173                          NULL, &offset, &count, NULL, TRUE, TRUE );
1174
1175     if (status != STATUS_SUCCESS) SetLastError( RtlNtStatusToDosError(status) );
1176     return !status;
1177 }
1178
1179
1180 /**************************************************************************
1181  * LockFileEx [KERNEL32.@]
1182  *
1183  * Locks a byte range within an open file for shared or exclusive access.
1184  *
1185  * RETURNS
1186  *   success: TRUE
1187  *   failure: FALSE
1188  *
1189  * NOTES
1190  * Per Microsoft docs, the third parameter (reserved) must be set to 0.
1191  */
1192 BOOL WINAPI LockFileEx( HANDLE hFile, DWORD flags, DWORD reserved,
1193                         DWORD count_low, DWORD count_high, LPOVERLAPPED overlapped )
1194 {
1195     NTSTATUS status;
1196     LARGE_INTEGER count, offset;
1197     LPVOID   cvalue = NULL;
1198
1199     if (reserved)
1200     {
1201         SetLastError( ERROR_INVALID_PARAMETER );
1202         return FALSE;
1203     }
1204
1205     TRACE( "%p %x%08x %x%08x flags %x\n",
1206            hFile, overlapped->u.s.OffsetHigh, overlapped->u.s.Offset, 
1207            count_high, count_low, flags );
1208
1209     count.u.LowPart = count_low;
1210     count.u.HighPart = count_high;
1211     offset.u.LowPart = overlapped->u.s.Offset;
1212     offset.u.HighPart = overlapped->u.s.OffsetHigh;
1213
1214     if (((ULONG_PTR)overlapped->hEvent & 1) == 0) cvalue = overlapped;
1215
1216     status = NtLockFile( hFile, overlapped->hEvent, NULL, cvalue,
1217                          NULL, &offset, &count, NULL,
1218                          flags & LOCKFILE_FAIL_IMMEDIATELY,
1219                          flags & LOCKFILE_EXCLUSIVE_LOCK );
1220
1221     if (status) SetLastError( RtlNtStatusToDosError(status) );
1222     return !status;
1223 }
1224
1225
1226 /**************************************************************************
1227  *           UnlockFile   (KERNEL32.@)
1228  */
1229 BOOL WINAPI UnlockFile( HANDLE hFile, DWORD offset_low, DWORD offset_high,
1230                         DWORD count_low, DWORD count_high )
1231 {
1232     NTSTATUS    status;
1233     LARGE_INTEGER count, offset;
1234
1235     count.u.LowPart = count_low;
1236     count.u.HighPart = count_high;
1237     offset.u.LowPart = offset_low;
1238     offset.u.HighPart = offset_high;
1239
1240     status = NtUnlockFile( hFile, NULL, &offset, &count, NULL);
1241     if (status) SetLastError( RtlNtStatusToDosError(status) );
1242     return !status;
1243 }
1244
1245
1246 /**************************************************************************
1247  *           UnlockFileEx   (KERNEL32.@)
1248  */
1249 BOOL WINAPI UnlockFileEx( HANDLE hFile, DWORD reserved, DWORD count_low, DWORD count_high,
1250                           LPOVERLAPPED overlapped )
1251 {
1252     if (reserved)
1253     {
1254         SetLastError( ERROR_INVALID_PARAMETER );
1255         return FALSE;
1256     }
1257     if (overlapped->hEvent) FIXME("Unimplemented overlapped operation\n");
1258
1259     return UnlockFile( hFile, overlapped->u.s.Offset, overlapped->u.s.OffsetHigh, count_low, count_high );
1260 }
1261
1262
1263 /*************************************************************************
1264  *           SetHandleCount   (KERNEL32.@)
1265  */
1266 UINT WINAPI SetHandleCount( UINT count )
1267 {
1268     return count;
1269 }
1270
1271
1272 /**************************************************************************
1273  *                      Operations on file names                          *
1274  **************************************************************************/
1275
1276
1277 /*************************************************************************
1278  * CreateFileW [KERNEL32.@]  Creates or opens a file or other object
1279  *
1280  * Creates or opens an object, and returns a handle that can be used to
1281  * access that object.
1282  *
1283  * PARAMS
1284  *
1285  * filename     [in] pointer to filename to be accessed
1286  * access       [in] access mode requested
1287  * sharing      [in] share mode
1288  * sa           [in] pointer to security attributes
1289  * creation     [in] how to create the file
1290  * attributes   [in] attributes for newly created file
1291  * template     [in] handle to file with extended attributes to copy
1292  *
1293  * RETURNS
1294  *   Success: Open handle to specified file
1295  *   Failure: INVALID_HANDLE_VALUE
1296  */
1297 HANDLE WINAPI CreateFileW( LPCWSTR filename, DWORD access, DWORD sharing,
1298                               LPSECURITY_ATTRIBUTES sa, DWORD creation,
1299                               DWORD attributes, HANDLE template )
1300 {
1301     NTSTATUS status;
1302     UINT options;
1303     OBJECT_ATTRIBUTES attr;
1304     UNICODE_STRING nameW;
1305     IO_STATUS_BLOCK io;
1306     HANDLE ret;
1307     DWORD dosdev;
1308     const WCHAR *vxd_name = NULL;
1309     static const WCHAR bkslashes_with_dotW[] = {'\\','\\','.','\\',0};
1310     static const WCHAR coninW[] = {'C','O','N','I','N','$',0};
1311     static const WCHAR conoutW[] = {'C','O','N','O','U','T','$',0};
1312     SECURITY_QUALITY_OF_SERVICE qos;
1313
1314     static const UINT nt_disposition[5] =
1315     {
1316         FILE_CREATE,        /* CREATE_NEW */
1317         FILE_OVERWRITE_IF,  /* CREATE_ALWAYS */
1318         FILE_OPEN,          /* OPEN_EXISTING */
1319         FILE_OPEN_IF,       /* OPEN_ALWAYS */
1320         FILE_OVERWRITE      /* TRUNCATE_EXISTING */
1321     };
1322
1323
1324     /* sanity checks */
1325
1326     if (!filename || !filename[0])
1327     {
1328         SetLastError( ERROR_PATH_NOT_FOUND );
1329         return INVALID_HANDLE_VALUE;
1330     }
1331
1332     TRACE("%s %s%s%s%s%s%s%s creation %d attributes 0x%x\n", debugstr_w(filename),
1333           (access & GENERIC_READ)?"GENERIC_READ ":"",
1334           (access & GENERIC_WRITE)?"GENERIC_WRITE ":"",
1335           (access & GENERIC_EXECUTE)?"GENERIC_EXECUTE ":"",
1336           (!access)?"QUERY_ACCESS ":"",
1337           (sharing & FILE_SHARE_READ)?"FILE_SHARE_READ ":"",
1338           (sharing & FILE_SHARE_WRITE)?"FILE_SHARE_WRITE ":"",
1339           (sharing & FILE_SHARE_DELETE)?"FILE_SHARE_DELETE ":"",
1340           creation, attributes);
1341
1342     /* Open a console for CONIN$ or CONOUT$ */
1343
1344     if (!strcmpiW(filename, coninW) || !strcmpiW(filename, conoutW))
1345     {
1346         ret = OpenConsoleW(filename, access, (sa && sa->bInheritHandle),
1347                            creation ? OPEN_EXISTING : 0);
1348         if (ret == INVALID_HANDLE_VALUE) SetLastError(ERROR_INVALID_PARAMETER);
1349         goto done;
1350     }
1351
1352     if (!strncmpW(filename, bkslashes_with_dotW, 4))
1353     {
1354         static const WCHAR pipeW[] = {'P','I','P','E','\\',0};
1355         static const WCHAR mailslotW[] = {'M','A','I','L','S','L','O','T','\\',0};
1356
1357         if ((isalphaW(filename[4]) && filename[5] == ':' && filename[6] == '\0') ||
1358             !strncmpiW( filename + 4, pipeW, 5 ) ||
1359             !strncmpiW( filename + 4, mailslotW, 9 ))
1360         {
1361             dosdev = 0;
1362         }
1363         else if ((dosdev = RtlIsDosDeviceName_U( filename + 4 )))
1364         {
1365             dosdev += MAKELONG( 0, 4*sizeof(WCHAR) );  /* adjust position to start of filename */
1366         }
1367         else if (GetVersion() & 0x80000000)
1368         {
1369             vxd_name = filename + 4;
1370             if (!creation) creation = OPEN_EXISTING;
1371         }
1372     }
1373     else dosdev = RtlIsDosDeviceName_U( filename );
1374
1375     if (dosdev)
1376     {
1377         static const WCHAR conW[] = {'C','O','N'};
1378
1379         if (LOWORD(dosdev) == sizeof(conW) &&
1380             !memicmpW( filename + HIWORD(dosdev)/sizeof(WCHAR), conW, sizeof(conW)/sizeof(WCHAR)))
1381         {
1382             switch (access & (GENERIC_READ|GENERIC_WRITE))
1383             {
1384             case GENERIC_READ:
1385                 ret = OpenConsoleW(coninW, access, (sa && sa->bInheritHandle), OPEN_EXISTING);
1386                 goto done;
1387             case GENERIC_WRITE:
1388                 ret = OpenConsoleW(conoutW, access, (sa && sa->bInheritHandle), OPEN_EXISTING);
1389                 goto done;
1390             default:
1391                 SetLastError( ERROR_FILE_NOT_FOUND );
1392                 return INVALID_HANDLE_VALUE;
1393             }
1394         }
1395     }
1396
1397     if (creation < CREATE_NEW || creation > TRUNCATE_EXISTING)
1398     {
1399         SetLastError( ERROR_INVALID_PARAMETER );
1400         return INVALID_HANDLE_VALUE;
1401     }
1402
1403     if (!RtlDosPathNameToNtPathName_U( filename, &nameW, NULL, NULL ))
1404     {
1405         SetLastError( ERROR_PATH_NOT_FOUND );
1406         return INVALID_HANDLE_VALUE;
1407     }
1408
1409     /* now call NtCreateFile */
1410
1411     options = 0;
1412     if (attributes & FILE_FLAG_BACKUP_SEMANTICS)
1413         options |= FILE_OPEN_FOR_BACKUP_INTENT;
1414     else
1415         options |= FILE_NON_DIRECTORY_FILE;
1416     if (attributes & FILE_FLAG_DELETE_ON_CLOSE)
1417     {
1418         options |= FILE_DELETE_ON_CLOSE;
1419         access |= DELETE;
1420     }
1421     if (attributes & FILE_FLAG_NO_BUFFERING)
1422         options |= FILE_NO_INTERMEDIATE_BUFFERING;
1423     if (!(attributes & FILE_FLAG_OVERLAPPED))
1424         options |= FILE_SYNCHRONOUS_IO_NONALERT;
1425     if (attributes & FILE_FLAG_RANDOM_ACCESS)
1426         options |= FILE_RANDOM_ACCESS;
1427     attributes &= FILE_ATTRIBUTE_VALID_FLAGS;
1428
1429     attr.Length = sizeof(attr);
1430     attr.RootDirectory = 0;
1431     attr.Attributes = OBJ_CASE_INSENSITIVE;
1432     attr.ObjectName = &nameW;
1433     attr.SecurityDescriptor = sa ? sa->lpSecurityDescriptor : NULL;
1434     if (attributes & SECURITY_SQOS_PRESENT)
1435     {
1436         qos.Length = sizeof(qos);
1437         qos.ImpersonationLevel = (attributes >> 16) & 0x3;
1438         qos.ContextTrackingMode = attributes & SECURITY_CONTEXT_TRACKING ? SECURITY_DYNAMIC_TRACKING : SECURITY_STATIC_TRACKING;
1439         qos.EffectiveOnly = (attributes & SECURITY_EFFECTIVE_ONLY) != 0;
1440         attr.SecurityQualityOfService = &qos;
1441     }
1442     else
1443         attr.SecurityQualityOfService = NULL;
1444
1445     if (sa && sa->bInheritHandle) attr.Attributes |= OBJ_INHERIT;
1446
1447     status = NtCreateFile( &ret, access, &attr, &io, NULL, attributes,
1448                            sharing, nt_disposition[creation - CREATE_NEW],
1449                            options, NULL, 0 );
1450     if (status)
1451     {
1452         if (vxd_name && vxd_name[0])
1453         {
1454             static HANDLE (*vxd_open)(LPCWSTR,DWORD,SECURITY_ATTRIBUTES*);
1455             if (!vxd_open) vxd_open = (void *)GetProcAddress( GetModuleHandleA("krnl386.exe16"),
1456                                                               "__wine_vxd_open" );
1457             if (vxd_open && (ret = vxd_open( vxd_name, access, sa ))) goto done;
1458         }
1459
1460         WARN("Unable to create file %s (status %x)\n", debugstr_w(filename), status);
1461         ret = INVALID_HANDLE_VALUE;
1462
1463         /* In the case file creation was rejected due to CREATE_NEW flag
1464          * was specified and file with that name already exists, correct
1465          * last error is ERROR_FILE_EXISTS and not ERROR_ALREADY_EXISTS.
1466          * Note: RtlNtStatusToDosError is not the subject to blame here.
1467          */
1468         if (status == STATUS_OBJECT_NAME_COLLISION)
1469             SetLastError( ERROR_FILE_EXISTS );
1470         else
1471             SetLastError( RtlNtStatusToDosError(status) );
1472     }
1473     else
1474     {
1475         if ((creation == CREATE_ALWAYS && io.Information == FILE_OVERWRITTEN) ||
1476             (creation == OPEN_ALWAYS && io.Information == FILE_OPENED))
1477             SetLastError( ERROR_ALREADY_EXISTS );
1478         else
1479             SetLastError( 0 );
1480     }
1481     RtlFreeUnicodeString( &nameW );
1482
1483  done:
1484     if (!ret) ret = INVALID_HANDLE_VALUE;
1485     TRACE("returning %p\n", ret);
1486     return ret;
1487 }
1488
1489
1490
1491 /*************************************************************************
1492  *              CreateFileA              (KERNEL32.@)
1493  *
1494  * See CreateFileW.
1495  */
1496 HANDLE WINAPI CreateFileA( LPCSTR filename, DWORD access, DWORD sharing,
1497                            LPSECURITY_ATTRIBUTES sa, DWORD creation,
1498                            DWORD attributes, HANDLE template)
1499 {
1500     WCHAR *nameW;
1501
1502     if (!(nameW = FILE_name_AtoW( filename, FALSE ))) return INVALID_HANDLE_VALUE;
1503     return CreateFileW( nameW, access, sharing, sa, creation, attributes, template );
1504 }
1505
1506
1507 /***********************************************************************
1508  *           DeleteFileW   (KERNEL32.@)
1509  *
1510  * Delete a file.
1511  *
1512  * PARAMS
1513  *  path [I] Path to the file to delete.
1514  *
1515  * RETURNS
1516  *  Success: TRUE.
1517  *  Failure: FALSE, check GetLastError().
1518  */
1519 BOOL WINAPI DeleteFileW( LPCWSTR path )
1520 {
1521     UNICODE_STRING nameW;
1522     OBJECT_ATTRIBUTES attr;
1523     NTSTATUS status;
1524     HANDLE hFile;
1525     IO_STATUS_BLOCK io;
1526
1527     TRACE("%s\n", debugstr_w(path) );
1528
1529     if (!RtlDosPathNameToNtPathName_U( path, &nameW, NULL, NULL ))
1530     {
1531         SetLastError( ERROR_PATH_NOT_FOUND );
1532         return FALSE;
1533     }
1534
1535     attr.Length = sizeof(attr);
1536     attr.RootDirectory = 0;
1537     attr.Attributes = OBJ_CASE_INSENSITIVE;
1538     attr.ObjectName = &nameW;
1539     attr.SecurityDescriptor = NULL;
1540     attr.SecurityQualityOfService = NULL;
1541
1542     status = NtCreateFile(&hFile, GENERIC_READ | GENERIC_WRITE | DELETE,
1543                           &attr, &io, NULL, 0,
1544                           FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
1545                           FILE_OPEN, FILE_DELETE_ON_CLOSE | FILE_NON_DIRECTORY_FILE, NULL, 0);
1546     if (status == STATUS_SUCCESS) status = NtClose(hFile);
1547
1548     RtlFreeUnicodeString( &nameW );
1549     if (status)
1550     {
1551         SetLastError( RtlNtStatusToDosError(status) );
1552         return FALSE;
1553     }
1554     return TRUE;
1555 }
1556
1557
1558 /***********************************************************************
1559  *           DeleteFileA   (KERNEL32.@)
1560  *
1561  * See DeleteFileW.
1562  */
1563 BOOL WINAPI DeleteFileA( LPCSTR path )
1564 {
1565     WCHAR *pathW;
1566
1567     if (!(pathW = FILE_name_AtoW( path, FALSE ))) return FALSE;
1568     return DeleteFileW( pathW );
1569 }
1570
1571
1572 /**************************************************************************
1573  *           ReplaceFileW   (KERNEL32.@)
1574  *           ReplaceFile    (KERNEL32.@)
1575  */
1576 BOOL WINAPI ReplaceFileW(LPCWSTR lpReplacedFileName, LPCWSTR lpReplacementFileName,
1577                          LPCWSTR lpBackupFileName, DWORD dwReplaceFlags,
1578                          LPVOID lpExclude, LPVOID lpReserved)
1579 {
1580     UNICODE_STRING nt_replaced_name, nt_replacement_name;
1581     ANSI_STRING unix_replaced_name, unix_replacement_name, unix_backup_name;
1582     HANDLE hReplaced = NULL, hReplacement = NULL, hBackup = NULL;
1583     DWORD error = ERROR_SUCCESS;
1584     UINT replaced_flags;
1585     BOOL ret = FALSE;
1586     NTSTATUS status;
1587     IO_STATUS_BLOCK io;
1588     OBJECT_ATTRIBUTES attr;
1589
1590     TRACE("%s %s %s 0x%08x %p %p\n", debugstr_w(lpReplacedFileName),
1591           debugstr_w(lpReplacementFileName), debugstr_w(lpBackupFileName),
1592           dwReplaceFlags, lpExclude, lpReserved);
1593
1594     if (dwReplaceFlags)
1595         FIXME("Ignoring flags %x\n", dwReplaceFlags);
1596
1597     /* First two arguments are mandatory */
1598     if (!lpReplacedFileName || !lpReplacementFileName)
1599     {
1600         SetLastError(ERROR_INVALID_PARAMETER);
1601         return FALSE;
1602     }
1603
1604     unix_replaced_name.Buffer = NULL;
1605     unix_replacement_name.Buffer = NULL;
1606     unix_backup_name.Buffer = NULL;
1607
1608     attr.Length = sizeof(attr);
1609     attr.RootDirectory = 0;
1610     attr.Attributes = OBJ_CASE_INSENSITIVE;
1611     attr.ObjectName = NULL;
1612     attr.SecurityDescriptor = NULL;
1613     attr.SecurityQualityOfService = NULL;
1614
1615     /* Open the "replaced" file for reading and writing */
1616     if (!(RtlDosPathNameToNtPathName_U(lpReplacedFileName, &nt_replaced_name, NULL, NULL)))
1617     {
1618         error = ERROR_PATH_NOT_FOUND;
1619         goto fail;
1620     }
1621     replaced_flags = lpBackupFileName ? FILE_OPEN : FILE_OPEN_IF;
1622     attr.ObjectName = &nt_replaced_name;
1623     status = NtOpenFile(&hReplaced, GENERIC_READ|GENERIC_WRITE|DELETE|SYNCHRONIZE,
1624                         &attr, &io,
1625                         FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE,
1626                         FILE_SYNCHRONOUS_IO_NONALERT|FILE_NON_DIRECTORY_FILE);
1627     if (status == STATUS_SUCCESS)
1628         status = wine_nt_to_unix_file_name(&nt_replaced_name, &unix_replaced_name, replaced_flags, FALSE);
1629     RtlFreeUnicodeString(&nt_replaced_name);
1630     if (status != STATUS_SUCCESS)
1631     {
1632         if (status == STATUS_OBJECT_NAME_NOT_FOUND)
1633             error = ERROR_FILE_NOT_FOUND;
1634         else
1635             error = ERROR_UNABLE_TO_REMOVE_REPLACED;
1636         goto fail;
1637     }
1638
1639     /*
1640      * Open the replacement file for reading, writing, and deleting
1641      * (writing and deleting are needed when finished)
1642      */
1643     if (!(RtlDosPathNameToNtPathName_U(lpReplacementFileName, &nt_replacement_name, NULL, NULL)))
1644     {
1645         error = ERROR_PATH_NOT_FOUND;
1646         goto fail;
1647     }
1648     attr.ObjectName = &nt_replacement_name;
1649     status = NtOpenFile(&hReplacement,
1650                         GENERIC_READ|GENERIC_WRITE|DELETE|WRITE_DAC|SYNCHRONIZE,
1651                         &attr, &io, 0,
1652                         FILE_SYNCHRONOUS_IO_NONALERT|FILE_NON_DIRECTORY_FILE);
1653     if (status == STATUS_SUCCESS)
1654         status = wine_nt_to_unix_file_name(&nt_replacement_name, &unix_replacement_name, FILE_OPEN, FALSE);
1655     RtlFreeUnicodeString(&nt_replacement_name);
1656     if (status != STATUS_SUCCESS)
1657     {
1658         error = RtlNtStatusToDosError(status);
1659         goto fail;
1660     }
1661
1662     /* If the user wants a backup then that needs to be performed first */
1663     if (lpBackupFileName)
1664     {
1665         UNICODE_STRING nt_backup_name;
1666         FILE_BASIC_INFORMATION replaced_info;
1667
1668         /* Obtain the file attributes from the "replaced" file */
1669         status = NtQueryInformationFile(hReplaced, &io, &replaced_info,
1670                                         sizeof(replaced_info),
1671                                         FileBasicInformation);
1672         if (status != STATUS_SUCCESS)
1673         {
1674             error = RtlNtStatusToDosError(status);
1675             goto fail;
1676         }
1677
1678         if (!(RtlDosPathNameToNtPathName_U(lpBackupFileName, &nt_backup_name, NULL, NULL)))
1679         {
1680             error = ERROR_PATH_NOT_FOUND;
1681             goto fail;
1682         }
1683         attr.ObjectName = &nt_backup_name;
1684         /* Open the backup with permissions to write over it */
1685         status = NtCreateFile(&hBackup, GENERIC_WRITE,
1686                               &attr, &io, NULL, replaced_info.FileAttributes,
1687                               FILE_SHARE_WRITE, FILE_OPEN_IF,
1688                               FILE_SYNCHRONOUS_IO_NONALERT|FILE_NON_DIRECTORY_FILE,
1689                               NULL, 0);
1690         if (status == STATUS_SUCCESS)
1691             status = wine_nt_to_unix_file_name(&nt_backup_name, &unix_backup_name, FILE_OPEN_IF, FALSE);
1692         RtlFreeUnicodeString(&nt_backup_name);
1693         if (status != STATUS_SUCCESS)
1694         {
1695             error = RtlNtStatusToDosError(status);
1696             goto fail;
1697         }
1698
1699         /* If an existing backup exists then copy over it */
1700         if (rename(unix_replaced_name.Buffer, unix_backup_name.Buffer) == -1)
1701         {
1702             error = ERROR_UNABLE_TO_REMOVE_REPLACED; /* is this correct? */
1703             goto fail;
1704         }
1705     }
1706
1707     /*
1708      * Now that the backup has been performed (if requested), copy the replacement
1709      * into place
1710      */
1711     if (rename(unix_replacement_name.Buffer, unix_replaced_name.Buffer) == -1)
1712     {
1713         if (errno == EACCES)
1714         {
1715             /* Inappropriate permissions on "replaced", rename will fail */
1716             error = ERROR_UNABLE_TO_REMOVE_REPLACED;
1717             goto fail;
1718         }
1719         /* on failure we need to indicate whether a backup was made */
1720         if (!lpBackupFileName)
1721             error = ERROR_UNABLE_TO_MOVE_REPLACEMENT;
1722         else
1723             error = ERROR_UNABLE_TO_MOVE_REPLACEMENT_2;
1724         goto fail;
1725     }
1726     /* Success! */
1727     ret = TRUE;
1728
1729     /* Perform resource cleanup */
1730 fail:
1731     if (hBackup) CloseHandle(hBackup);
1732     if (hReplaced) CloseHandle(hReplaced);
1733     if (hReplacement) CloseHandle(hReplacement);
1734     RtlFreeAnsiString(&unix_backup_name);
1735     RtlFreeAnsiString(&unix_replacement_name);
1736     RtlFreeAnsiString(&unix_replaced_name);
1737
1738     /* If there was an error, set the error code */
1739     if(!ret)
1740         SetLastError(error);
1741     return ret;
1742 }
1743
1744
1745 /**************************************************************************
1746  *           ReplaceFileA (KERNEL32.@)
1747  */
1748 BOOL WINAPI ReplaceFileA(LPCSTR lpReplacedFileName,LPCSTR lpReplacementFileName,
1749                          LPCSTR lpBackupFileName, DWORD dwReplaceFlags,
1750                          LPVOID lpExclude, LPVOID lpReserved)
1751 {
1752     WCHAR *replacedW, *replacementW, *backupW = NULL;
1753     BOOL ret;
1754
1755     /* This function only makes sense when the first two parameters are defined */
1756     if (!lpReplacedFileName || !(replacedW = FILE_name_AtoW( lpReplacedFileName, TRUE )))
1757     {
1758         SetLastError(ERROR_INVALID_PARAMETER);
1759         return FALSE;
1760     }
1761     if (!lpReplacementFileName || !(replacementW = FILE_name_AtoW( lpReplacementFileName, TRUE )))
1762     {
1763         HeapFree( GetProcessHeap(), 0, replacedW );
1764         SetLastError(ERROR_INVALID_PARAMETER);
1765         return FALSE;
1766     }
1767     /* The backup parameter, however, is optional */
1768     if (lpBackupFileName)
1769     {
1770         if (!(backupW = FILE_name_AtoW( lpBackupFileName, TRUE )))
1771         {
1772             HeapFree( GetProcessHeap(), 0, replacedW );
1773             HeapFree( GetProcessHeap(), 0, replacementW );
1774             SetLastError(ERROR_INVALID_PARAMETER);
1775             return FALSE;
1776         }
1777     }
1778     ret = ReplaceFileW( replacedW, replacementW, backupW, dwReplaceFlags, lpExclude, lpReserved );
1779     HeapFree( GetProcessHeap(), 0, replacedW );
1780     HeapFree( GetProcessHeap(), 0, replacementW );
1781     HeapFree( GetProcessHeap(), 0, backupW );
1782     return ret;
1783 }
1784
1785
1786 /*************************************************************************
1787  *           FindFirstFileExW  (KERNEL32.@)
1788  *
1789  * NOTE: The FindExSearchLimitToDirectories is ignored - it gives the same
1790  * results as FindExSearchNameMatch
1791  */
1792 HANDLE WINAPI FindFirstFileExW( LPCWSTR filename, FINDEX_INFO_LEVELS level,
1793                                 LPVOID data, FINDEX_SEARCH_OPS search_op,
1794                                 LPVOID filter, DWORD flags)
1795 {
1796     WCHAR *mask, *p;
1797     FIND_FIRST_INFO *info = NULL;
1798     UNICODE_STRING nt_name;
1799     OBJECT_ATTRIBUTES attr;
1800     IO_STATUS_BLOCK io;
1801     NTSTATUS status;
1802     DWORD device = 0;
1803
1804     TRACE("%s %d %p %d %p %x\n", debugstr_w(filename), level, data, search_op, filter, flags);
1805
1806     if ((search_op != FindExSearchNameMatch && search_op != FindExSearchLimitToDirectories)
1807         || flags != 0)
1808     {
1809         FIXME("options not implemented 0x%08x 0x%08x\n", search_op, flags );
1810         return INVALID_HANDLE_VALUE;
1811     }
1812     if (level != FindExInfoStandard)
1813     {
1814         FIXME("info level %d not implemented\n", level );
1815         return INVALID_HANDLE_VALUE;
1816     }
1817
1818     if (!RtlDosPathNameToNtPathName_U( filename, &nt_name, &mask, NULL ))
1819     {
1820         SetLastError( ERROR_PATH_NOT_FOUND );
1821         return INVALID_HANDLE_VALUE;
1822     }
1823
1824     if (!(info = HeapAlloc( GetProcessHeap(), 0, sizeof(*info))))
1825     {
1826         SetLastError( ERROR_NOT_ENOUGH_MEMORY );
1827         goto error;
1828     }
1829
1830     if (!mask && (device = RtlIsDosDeviceName_U( filename )))
1831     {
1832         static const WCHAR dotW[] = {'.',0};
1833         WCHAR *dir = NULL;
1834
1835         /* we still need to check that the directory can be opened */
1836
1837         if (HIWORD(device))
1838         {
1839             if (!(dir = HeapAlloc( GetProcessHeap(), 0, HIWORD(device) + sizeof(WCHAR) )))
1840             {
1841                 SetLastError( ERROR_NOT_ENOUGH_MEMORY );
1842                 goto error;
1843             }
1844             memcpy( dir, filename, HIWORD(device) );
1845             dir[HIWORD(device)/sizeof(WCHAR)] = 0;
1846         }
1847         RtlFreeUnicodeString( &nt_name );
1848         if (!RtlDosPathNameToNtPathName_U( dir ? dir : dotW, &nt_name, &mask, NULL ))
1849         {
1850             HeapFree( GetProcessHeap(), 0, dir );
1851             SetLastError( ERROR_PATH_NOT_FOUND );
1852             goto error;
1853         }
1854         HeapFree( GetProcessHeap(), 0, dir );
1855         RtlInitUnicodeString( &info->mask, NULL );
1856     }
1857     else if (!mask || !*mask)
1858     {
1859         SetLastError( ERROR_FILE_NOT_FOUND );
1860         goto error;
1861     }
1862     else
1863     {
1864         if (!RtlCreateUnicodeString( &info->mask, mask ))
1865         {
1866             SetLastError( ERROR_NOT_ENOUGH_MEMORY );
1867             goto error;
1868         }
1869
1870         /* truncate dir name before mask */
1871         *mask = 0;
1872         nt_name.Length = (mask - nt_name.Buffer) * sizeof(WCHAR);
1873     }
1874
1875     /* check if path is the root of the drive */
1876     info->is_root = FALSE;
1877     p = nt_name.Buffer + 4;  /* skip \??\ prefix */
1878     if (p[0] && p[1] == ':')
1879     {
1880         p += 2;
1881         while (*p == '\\') p++;
1882         info->is_root = (*p == 0);
1883     }
1884
1885     attr.Length = sizeof(attr);
1886     attr.RootDirectory = 0;
1887     attr.Attributes = OBJ_CASE_INSENSITIVE;
1888     attr.ObjectName = &nt_name;
1889     attr.SecurityDescriptor = NULL;
1890     attr.SecurityQualityOfService = NULL;
1891
1892     status = NtOpenFile( &info->handle, GENERIC_READ, &attr, &io,
1893                          FILE_SHARE_READ | FILE_SHARE_WRITE,
1894                          FILE_DIRECTORY_FILE | FILE_SYNCHRONOUS_IO_NONALERT );
1895
1896     if (status != STATUS_SUCCESS)
1897     {
1898         RtlFreeUnicodeString( &info->mask );
1899         if (status == STATUS_OBJECT_NAME_NOT_FOUND)
1900             SetLastError( ERROR_PATH_NOT_FOUND );
1901         else
1902             SetLastError( RtlNtStatusToDosError(status) );
1903         goto error;
1904     }
1905
1906     RtlInitializeCriticalSection( &info->cs );
1907     info->cs.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": FIND_FIRST_INFO.cs");
1908     info->path     = nt_name;
1909     info->magic    = FIND_FIRST_MAGIC;
1910     info->data_pos = 0;
1911     info->data_len = 0;
1912     info->search_op = search_op;
1913
1914     if (device)
1915     {
1916         WIN32_FIND_DATAW *wfd = data;
1917
1918         memset( wfd, 0, sizeof(*wfd) );
1919         memcpy( wfd->cFileName, filename + HIWORD(device)/sizeof(WCHAR), LOWORD(device) );
1920         wfd->dwFileAttributes = FILE_ATTRIBUTE_ARCHIVE;
1921         CloseHandle( info->handle );
1922         info->handle = 0;
1923     }
1924     else
1925     {
1926         IO_STATUS_BLOCK io;
1927
1928         NtQueryDirectoryFile( info->handle, 0, NULL, NULL, &io, info->data, sizeof(info->data),
1929                               FileBothDirectoryInformation, FALSE, &info->mask, TRUE );
1930         if (io.u.Status)
1931         {
1932             FindClose( info );
1933             SetLastError( RtlNtStatusToDosError( io.u.Status ) );
1934             return INVALID_HANDLE_VALUE;
1935         }
1936         info->data_len = io.Information;
1937         if (!FindNextFileW( info, data ))
1938         {
1939             TRACE( "%s not found\n", debugstr_w(filename) );
1940             FindClose( info );
1941             SetLastError( ERROR_FILE_NOT_FOUND );
1942             return INVALID_HANDLE_VALUE;
1943         }
1944         if (!strpbrkW( info->mask.Buffer, wildcardsW ))
1945         {
1946             /* we can't find two files with the same name */
1947             CloseHandle( info->handle );
1948             info->handle = 0;
1949         }
1950     }
1951     return info;
1952
1953 error:
1954     HeapFree( GetProcessHeap(), 0, info );
1955     RtlFreeUnicodeString( &nt_name );
1956     return INVALID_HANDLE_VALUE;
1957 }
1958
1959
1960 /*************************************************************************
1961  *           FindNextFileW   (KERNEL32.@)
1962  */
1963 BOOL WINAPI FindNextFileW( HANDLE handle, WIN32_FIND_DATAW *data )
1964 {
1965     FIND_FIRST_INFO *info;
1966     FILE_BOTH_DIR_INFORMATION *dir_info;
1967     BOOL ret = FALSE;
1968
1969     TRACE("%p %p\n", handle, data);
1970
1971     if (!handle || handle == INVALID_HANDLE_VALUE)
1972     {
1973         SetLastError( ERROR_INVALID_HANDLE );
1974         return ret;
1975     }
1976     info = handle;
1977     if (info->magic != FIND_FIRST_MAGIC)
1978     {
1979         SetLastError( ERROR_INVALID_HANDLE );
1980         return ret;
1981     }
1982
1983     RtlEnterCriticalSection( &info->cs );
1984
1985     if (!info->handle) SetLastError( ERROR_NO_MORE_FILES );
1986     else for (;;)
1987     {
1988         if (info->data_pos >= info->data_len)  /* need to read some more data */
1989         {
1990             IO_STATUS_BLOCK io;
1991
1992             NtQueryDirectoryFile( info->handle, 0, NULL, NULL, &io, info->data, sizeof(info->data),
1993                                   FileBothDirectoryInformation, FALSE, &info->mask, FALSE );
1994             if (io.u.Status)
1995             {
1996                 SetLastError( RtlNtStatusToDosError( io.u.Status ) );
1997                 if (io.u.Status == STATUS_NO_MORE_FILES)
1998                 {
1999                     CloseHandle( info->handle );
2000                     info->handle = 0;
2001                 }
2002                 break;
2003             }
2004             info->data_len = io.Information;
2005             info->data_pos = 0;
2006         }
2007
2008         dir_info = (FILE_BOTH_DIR_INFORMATION *)(info->data + info->data_pos);
2009
2010         if (dir_info->NextEntryOffset) info->data_pos += dir_info->NextEntryOffset;
2011         else info->data_pos = info->data_len;
2012
2013         /* don't return '.' and '..' in the root of the drive */
2014         if (info->is_root)
2015         {
2016             if (dir_info->FileNameLength == sizeof(WCHAR) && dir_info->FileName[0] == '.') continue;
2017             if (dir_info->FileNameLength == 2 * sizeof(WCHAR) &&
2018                 dir_info->FileName[0] == '.' && dir_info->FileName[1] == '.') continue;
2019         }
2020
2021         /* check for dir symlink */
2022         if ((dir_info->FileAttributes & FILE_ATTRIBUTE_DIRECTORY) &&
2023             (dir_info->FileAttributes & FILE_ATTRIBUTE_REPARSE_POINT) &&
2024             strpbrkW( info->mask.Buffer, wildcardsW ))
2025         {
2026             if (!check_dir_symlink( info, dir_info )) continue;
2027         }
2028
2029         data->dwFileAttributes = dir_info->FileAttributes;
2030         data->ftCreationTime   = *(FILETIME *)&dir_info->CreationTime;
2031         data->ftLastAccessTime = *(FILETIME *)&dir_info->LastAccessTime;
2032         data->ftLastWriteTime  = *(FILETIME *)&dir_info->LastWriteTime;
2033         data->nFileSizeHigh    = dir_info->EndOfFile.QuadPart >> 32;
2034         data->nFileSizeLow     = (DWORD)dir_info->EndOfFile.QuadPart;
2035         data->dwReserved0      = 0;
2036         data->dwReserved1      = 0;
2037
2038         memcpy( data->cFileName, dir_info->FileName, dir_info->FileNameLength );
2039         data->cFileName[dir_info->FileNameLength/sizeof(WCHAR)] = 0;
2040         memcpy( data->cAlternateFileName, dir_info->ShortName, dir_info->ShortNameLength );
2041         data->cAlternateFileName[dir_info->ShortNameLength/sizeof(WCHAR)] = 0;
2042
2043         TRACE("returning %s (%s)\n",
2044               debugstr_w(data->cFileName), debugstr_w(data->cAlternateFileName) );
2045
2046         ret = TRUE;
2047         break;
2048     }
2049
2050     RtlLeaveCriticalSection( &info->cs );
2051     return ret;
2052 }
2053
2054
2055 /*************************************************************************
2056  *           FindClose   (KERNEL32.@)
2057  */
2058 BOOL WINAPI FindClose( HANDLE handle )
2059 {
2060     FIND_FIRST_INFO *info = handle;
2061
2062     if (!handle || handle == INVALID_HANDLE_VALUE)
2063     {
2064         SetLastError( ERROR_INVALID_HANDLE );
2065         return FALSE;
2066     }
2067
2068     __TRY
2069     {
2070         if (info->magic == FIND_FIRST_MAGIC)
2071         {
2072             RtlEnterCriticalSection( &info->cs );
2073             if (info->magic == FIND_FIRST_MAGIC)  /* in case someone else freed it in the meantime */
2074             {
2075                 info->magic = 0;
2076                 if (info->handle) CloseHandle( info->handle );
2077                 info->handle = 0;
2078                 RtlFreeUnicodeString( &info->mask );
2079                 info->mask.Buffer = NULL;
2080                 RtlFreeUnicodeString( &info->path );
2081                 info->data_pos = 0;
2082                 info->data_len = 0;
2083                 RtlLeaveCriticalSection( &info->cs );
2084                 info->cs.DebugInfo->Spare[0] = 0;
2085                 RtlDeleteCriticalSection( &info->cs );
2086                 HeapFree( GetProcessHeap(), 0, info );
2087             }
2088         }
2089     }
2090     __EXCEPT_PAGE_FAULT
2091     {
2092         WARN("Illegal handle %p\n", handle);
2093         SetLastError( ERROR_INVALID_HANDLE );
2094         return FALSE;
2095     }
2096     __ENDTRY
2097
2098     return TRUE;
2099 }
2100
2101
2102 /*************************************************************************
2103  *           FindFirstFileA   (KERNEL32.@)
2104  */
2105 HANDLE WINAPI FindFirstFileA( LPCSTR lpFileName, WIN32_FIND_DATAA *lpFindData )
2106 {
2107     return FindFirstFileExA(lpFileName, FindExInfoStandard, lpFindData,
2108                             FindExSearchNameMatch, NULL, 0);
2109 }
2110
2111 /*************************************************************************
2112  *           FindFirstFileExA   (KERNEL32.@)
2113  */
2114 HANDLE WINAPI FindFirstFileExA( LPCSTR lpFileName, FINDEX_INFO_LEVELS fInfoLevelId,
2115                                 LPVOID lpFindFileData, FINDEX_SEARCH_OPS fSearchOp,
2116                                 LPVOID lpSearchFilter, DWORD dwAdditionalFlags)
2117 {
2118     HANDLE handle;
2119     WIN32_FIND_DATAA *dataA;
2120     WIN32_FIND_DATAW dataW;
2121     WCHAR *nameW;
2122
2123     if (!(nameW = FILE_name_AtoW( lpFileName, FALSE ))) return INVALID_HANDLE_VALUE;
2124
2125     handle = FindFirstFileExW(nameW, fInfoLevelId, &dataW, fSearchOp, lpSearchFilter, dwAdditionalFlags);
2126     if (handle == INVALID_HANDLE_VALUE) return handle;
2127
2128     dataA = lpFindFileData;
2129     dataA->dwFileAttributes = dataW.dwFileAttributes;
2130     dataA->ftCreationTime   = dataW.ftCreationTime;
2131     dataA->ftLastAccessTime = dataW.ftLastAccessTime;
2132     dataA->ftLastWriteTime  = dataW.ftLastWriteTime;
2133     dataA->nFileSizeHigh    = dataW.nFileSizeHigh;
2134     dataA->nFileSizeLow     = dataW.nFileSizeLow;
2135     FILE_name_WtoA( dataW.cFileName, -1, dataA->cFileName, sizeof(dataA->cFileName) );
2136     FILE_name_WtoA( dataW.cAlternateFileName, -1, dataA->cAlternateFileName,
2137                     sizeof(dataA->cAlternateFileName) );
2138     return handle;
2139 }
2140
2141
2142 /*************************************************************************
2143  *           FindFirstFileW   (KERNEL32.@)
2144  */
2145 HANDLE WINAPI FindFirstFileW( LPCWSTR lpFileName, WIN32_FIND_DATAW *lpFindData )
2146 {
2147     return FindFirstFileExW(lpFileName, FindExInfoStandard, lpFindData,
2148                             FindExSearchNameMatch, NULL, 0);
2149 }
2150
2151
2152 /*************************************************************************
2153  *           FindNextFileA   (KERNEL32.@)
2154  */
2155 BOOL WINAPI FindNextFileA( HANDLE handle, WIN32_FIND_DATAA *data )
2156 {
2157     WIN32_FIND_DATAW dataW;
2158
2159     if (!FindNextFileW( handle, &dataW )) return FALSE;
2160     data->dwFileAttributes = dataW.dwFileAttributes;
2161     data->ftCreationTime   = dataW.ftCreationTime;
2162     data->ftLastAccessTime = dataW.ftLastAccessTime;
2163     data->ftLastWriteTime  = dataW.ftLastWriteTime;
2164     data->nFileSizeHigh    = dataW.nFileSizeHigh;
2165     data->nFileSizeLow     = dataW.nFileSizeLow;
2166     FILE_name_WtoA( dataW.cFileName, -1, data->cFileName, sizeof(data->cFileName) );
2167     FILE_name_WtoA( dataW.cAlternateFileName, -1, data->cAlternateFileName,
2168                     sizeof(data->cAlternateFileName) );
2169     return TRUE;
2170 }
2171
2172
2173 /**************************************************************************
2174  *           GetFileAttributesW   (KERNEL32.@)
2175  */
2176 DWORD WINAPI GetFileAttributesW( LPCWSTR name )
2177 {
2178     FILE_BASIC_INFORMATION info;
2179     UNICODE_STRING nt_name;
2180     OBJECT_ATTRIBUTES attr;
2181     NTSTATUS status;
2182
2183     TRACE("%s\n", debugstr_w(name));
2184
2185     if (!RtlDosPathNameToNtPathName_U( name, &nt_name, NULL, NULL ))
2186     {
2187         SetLastError( ERROR_PATH_NOT_FOUND );
2188         return INVALID_FILE_ATTRIBUTES;
2189     }
2190
2191     attr.Length = sizeof(attr);
2192     attr.RootDirectory = 0;
2193     attr.Attributes = OBJ_CASE_INSENSITIVE;
2194     attr.ObjectName = &nt_name;
2195     attr.SecurityDescriptor = NULL;
2196     attr.SecurityQualityOfService = NULL;
2197
2198     status = NtQueryAttributesFile( &attr, &info );
2199     RtlFreeUnicodeString( &nt_name );
2200
2201     if (status == STATUS_SUCCESS) return info.FileAttributes;
2202
2203     /* NtQueryAttributesFile fails on devices, but GetFileAttributesW succeeds */
2204     if (RtlIsDosDeviceName_U( name )) return FILE_ATTRIBUTE_ARCHIVE;
2205
2206     SetLastError( RtlNtStatusToDosError(status) );
2207     return INVALID_FILE_ATTRIBUTES;
2208 }
2209
2210
2211 /**************************************************************************
2212  *           GetFileAttributesA   (KERNEL32.@)
2213  */
2214 DWORD WINAPI GetFileAttributesA( LPCSTR name )
2215 {
2216     WCHAR *nameW;
2217
2218     if (!(nameW = FILE_name_AtoW( name, FALSE ))) return INVALID_FILE_ATTRIBUTES;
2219     return GetFileAttributesW( nameW );
2220 }
2221
2222
2223 /**************************************************************************
2224  *              SetFileAttributesW      (KERNEL32.@)
2225  */
2226 BOOL WINAPI SetFileAttributesW( LPCWSTR name, DWORD attributes )
2227 {
2228     UNICODE_STRING nt_name;
2229     OBJECT_ATTRIBUTES attr;
2230     IO_STATUS_BLOCK io;
2231     NTSTATUS status;
2232     HANDLE handle;
2233
2234     TRACE("%s %x\n", debugstr_w(name), attributes);
2235
2236     if (!RtlDosPathNameToNtPathName_U( name, &nt_name, NULL, NULL ))
2237     {
2238         SetLastError( ERROR_PATH_NOT_FOUND );
2239         return FALSE;
2240     }
2241
2242     attr.Length = sizeof(attr);
2243     attr.RootDirectory = 0;
2244     attr.Attributes = OBJ_CASE_INSENSITIVE;
2245     attr.ObjectName = &nt_name;
2246     attr.SecurityDescriptor = NULL;
2247     attr.SecurityQualityOfService = NULL;
2248
2249     status = NtOpenFile( &handle, 0, &attr, &io, 0, FILE_SYNCHRONOUS_IO_NONALERT );
2250     RtlFreeUnicodeString( &nt_name );
2251
2252     if (status == STATUS_SUCCESS)
2253     {
2254         FILE_BASIC_INFORMATION info;
2255
2256         memset( &info, 0, sizeof(info) );
2257         info.FileAttributes = attributes | FILE_ATTRIBUTE_NORMAL;  /* make sure it's not zero */
2258         status = NtSetInformationFile( handle, &io, &info, sizeof(info), FileBasicInformation );
2259         NtClose( handle );
2260     }
2261
2262     if (status == STATUS_SUCCESS) return TRUE;
2263     SetLastError( RtlNtStatusToDosError(status) );
2264     return FALSE;
2265 }
2266
2267
2268 /**************************************************************************
2269  *              SetFileAttributesA      (KERNEL32.@)
2270  */
2271 BOOL WINAPI SetFileAttributesA( LPCSTR name, DWORD attributes )
2272 {
2273     WCHAR *nameW;
2274
2275     if (!(nameW = FILE_name_AtoW( name, FALSE ))) return FALSE;
2276     return SetFileAttributesW( nameW, attributes );
2277 }
2278
2279
2280 /**************************************************************************
2281  *           GetFileAttributesExW   (KERNEL32.@)
2282  */
2283 BOOL WINAPI GetFileAttributesExW( LPCWSTR name, GET_FILEEX_INFO_LEVELS level, LPVOID ptr )
2284 {
2285     FILE_NETWORK_OPEN_INFORMATION info;
2286     WIN32_FILE_ATTRIBUTE_DATA *data = ptr;
2287     UNICODE_STRING nt_name;
2288     OBJECT_ATTRIBUTES attr;
2289     NTSTATUS status;
2290     
2291     TRACE("%s %d %p\n", debugstr_w(name), level, ptr);
2292
2293     if (level != GetFileExInfoStandard)
2294     {
2295         SetLastError( ERROR_INVALID_PARAMETER );
2296         return FALSE;
2297     }
2298
2299     if (!RtlDosPathNameToNtPathName_U( name, &nt_name, NULL, NULL ))
2300     {
2301         SetLastError( ERROR_PATH_NOT_FOUND );
2302         return FALSE;
2303     }
2304
2305     attr.Length = sizeof(attr);
2306     attr.RootDirectory = 0;
2307     attr.Attributes = OBJ_CASE_INSENSITIVE;
2308     attr.ObjectName = &nt_name;
2309     attr.SecurityDescriptor = NULL;
2310     attr.SecurityQualityOfService = NULL;
2311
2312     status = NtQueryFullAttributesFile( &attr, &info );
2313     RtlFreeUnicodeString( &nt_name );
2314
2315     if (status != STATUS_SUCCESS)
2316     {
2317         SetLastError( RtlNtStatusToDosError(status) );
2318         return FALSE;
2319     }
2320
2321     data->dwFileAttributes = info.FileAttributes;
2322     data->ftCreationTime.dwLowDateTime    = info.CreationTime.u.LowPart;
2323     data->ftCreationTime.dwHighDateTime   = info.CreationTime.u.HighPart;
2324     data->ftLastAccessTime.dwLowDateTime  = info.LastAccessTime.u.LowPart;
2325     data->ftLastAccessTime.dwHighDateTime = info.LastAccessTime.u.HighPart;
2326     data->ftLastWriteTime.dwLowDateTime   = info.LastWriteTime.u.LowPart;
2327     data->ftLastWriteTime.dwHighDateTime  = info.LastWriteTime.u.HighPart;
2328     data->nFileSizeLow                    = info.EndOfFile.u.LowPart;
2329     data->nFileSizeHigh                   = info.EndOfFile.u.HighPart;
2330     return TRUE;
2331 }
2332
2333
2334 /**************************************************************************
2335  *           GetFileAttributesExA   (KERNEL32.@)
2336  */
2337 BOOL WINAPI GetFileAttributesExA( LPCSTR name, GET_FILEEX_INFO_LEVELS level, LPVOID ptr )
2338 {
2339     WCHAR *nameW;
2340
2341     if (!(nameW = FILE_name_AtoW( name, FALSE ))) return FALSE;
2342     return GetFileAttributesExW( nameW, level, ptr );
2343 }
2344
2345
2346 /******************************************************************************
2347  *           GetCompressedFileSizeW   (KERNEL32.@)
2348  *
2349  * Get the actual number of bytes used on disk.
2350  *
2351  * RETURNS
2352  *    Success: Low-order doubleword of number of bytes
2353  *    Failure: INVALID_FILE_SIZE
2354  */
2355 DWORD WINAPI GetCompressedFileSizeW(
2356     LPCWSTR name,       /* [in]  Pointer to name of file */
2357     LPDWORD size_high ) /* [out] Receives high-order doubleword of size */
2358 {
2359     UNICODE_STRING nt_name;
2360     OBJECT_ATTRIBUTES attr;
2361     IO_STATUS_BLOCK io;
2362     NTSTATUS status;
2363     HANDLE handle;
2364     DWORD ret = INVALID_FILE_SIZE;
2365
2366     TRACE("%s %p\n", debugstr_w(name), size_high);
2367
2368     if (!RtlDosPathNameToNtPathName_U( name, &nt_name, NULL, NULL ))
2369     {
2370         SetLastError( ERROR_PATH_NOT_FOUND );
2371         return INVALID_FILE_SIZE;
2372     }
2373
2374     attr.Length = sizeof(attr);
2375     attr.RootDirectory = 0;
2376     attr.Attributes = OBJ_CASE_INSENSITIVE;
2377     attr.ObjectName = &nt_name;
2378     attr.SecurityDescriptor = NULL;
2379     attr.SecurityQualityOfService = NULL;
2380
2381     status = NtOpenFile( &handle, 0, &attr, &io, 0, FILE_SYNCHRONOUS_IO_NONALERT );
2382     RtlFreeUnicodeString( &nt_name );
2383
2384     if (status == STATUS_SUCCESS)
2385     {
2386         /* we don't support compressed files, simply return the file size */
2387         ret = GetFileSize( handle, size_high );
2388         NtClose( handle );
2389     }
2390     else SetLastError( RtlNtStatusToDosError(status) );
2391
2392     return ret;
2393 }
2394
2395
2396 /******************************************************************************
2397  *           GetCompressedFileSizeA   (KERNEL32.@)
2398  *
2399  * See GetCompressedFileSizeW.
2400  */
2401 DWORD WINAPI GetCompressedFileSizeA( LPCSTR name, LPDWORD size_high )
2402 {
2403     WCHAR *nameW;
2404
2405     if (!(nameW = FILE_name_AtoW( name, FALSE ))) return INVALID_FILE_SIZE;
2406     return GetCompressedFileSizeW( nameW, size_high );
2407 }
2408
2409
2410 /***********************************************************************
2411  *              OpenVxDHandle (KERNEL32.@)
2412  *
2413  *      This function is supposed to return the corresponding Ring 0
2414  *      ("kernel") handle for a Ring 3 handle in Win9x.
2415  *      Evidently, Wine will have problems with this. But we try anyway,
2416  *      maybe it helps...
2417  */
2418 HANDLE WINAPI OpenVxDHandle(HANDLE hHandleRing3)
2419 {
2420     FIXME( "(%p), stub! (returning Ring 3 handle instead of Ring 0)\n", hHandleRing3);
2421     return hHandleRing3;
2422 }
2423
2424
2425 /****************************************************************************
2426  *              DeviceIoControl (KERNEL32.@)
2427  */
2428 BOOL WINAPI DeviceIoControl(HANDLE hDevice, DWORD dwIoControlCode,
2429                             LPVOID lpvInBuffer, DWORD cbInBuffer,
2430                             LPVOID lpvOutBuffer, DWORD cbOutBuffer,
2431                             LPDWORD lpcbBytesReturned,
2432                             LPOVERLAPPED lpOverlapped)
2433 {
2434     NTSTATUS status;
2435
2436     TRACE( "(%p,%x,%p,%d,%p,%d,%p,%p)\n",
2437            hDevice,dwIoControlCode,lpvInBuffer,cbInBuffer,
2438            lpvOutBuffer,cbOutBuffer,lpcbBytesReturned,lpOverlapped );
2439
2440     /* Check if this is a user defined control code for a VxD */
2441
2442     if (HIWORD( dwIoControlCode ) == 0 && (GetVersion() & 0x80000000))
2443     {
2444         typedef BOOL (WINAPI *DeviceIoProc)(DWORD, LPVOID, DWORD, LPVOID, DWORD, LPDWORD, LPOVERLAPPED);
2445         static DeviceIoProc (*vxd_get_proc)(HANDLE);
2446         DeviceIoProc proc = NULL;
2447
2448         if (!vxd_get_proc) vxd_get_proc = (void *)GetProcAddress( GetModuleHandleA("krnl386.exe16"),
2449                                                                   "__wine_vxd_get_proc" );
2450         if (vxd_get_proc) proc = vxd_get_proc( hDevice );
2451         if (proc) return proc( dwIoControlCode, lpvInBuffer, cbInBuffer,
2452                                lpvOutBuffer, cbOutBuffer, lpcbBytesReturned, lpOverlapped );
2453     }
2454
2455     /* Not a VxD, let ntdll handle it */
2456
2457     if (lpOverlapped)
2458     {
2459         LPVOID cvalue = ((ULONG_PTR)lpOverlapped->hEvent & 1) ? NULL : lpOverlapped;
2460         lpOverlapped->Internal = STATUS_PENDING;
2461         lpOverlapped->InternalHigh = 0;
2462         if (HIWORD(dwIoControlCode) == FILE_DEVICE_FILE_SYSTEM)
2463             status = NtFsControlFile(hDevice, lpOverlapped->hEvent,
2464                                      NULL, cvalue, (PIO_STATUS_BLOCK)lpOverlapped,
2465                                      dwIoControlCode, lpvInBuffer, cbInBuffer,
2466                                      lpvOutBuffer, cbOutBuffer);
2467         else
2468             status = NtDeviceIoControlFile(hDevice, lpOverlapped->hEvent,
2469                                            NULL, cvalue, (PIO_STATUS_BLOCK)lpOverlapped,
2470                                            dwIoControlCode, lpvInBuffer, cbInBuffer,
2471                                            lpvOutBuffer, cbOutBuffer);
2472         if (lpcbBytesReturned) *lpcbBytesReturned = lpOverlapped->InternalHigh;
2473     }
2474     else
2475     {
2476         IO_STATUS_BLOCK iosb;
2477
2478         if (HIWORD(dwIoControlCode) == FILE_DEVICE_FILE_SYSTEM)
2479             status = NtFsControlFile(hDevice, NULL, NULL, NULL, &iosb,
2480                                      dwIoControlCode, lpvInBuffer, cbInBuffer,
2481                                      lpvOutBuffer, cbOutBuffer);
2482         else
2483             status = NtDeviceIoControlFile(hDevice, NULL, NULL, NULL, &iosb,
2484                                            dwIoControlCode, lpvInBuffer, cbInBuffer,
2485                                            lpvOutBuffer, cbOutBuffer);
2486         if (lpcbBytesReturned) *lpcbBytesReturned = iosb.Information;
2487     }
2488     if (status) SetLastError( RtlNtStatusToDosError(status) );
2489     return !status;
2490 }
2491
2492
2493 /***********************************************************************
2494  *           OpenFile   (KERNEL32.@)
2495  */
2496 HFILE WINAPI OpenFile( LPCSTR name, OFSTRUCT *ofs, UINT mode )
2497 {
2498     HANDLE handle;
2499     FILETIME filetime;
2500     WORD filedatetime[2];
2501
2502     if (!ofs) return HFILE_ERROR;
2503
2504     TRACE("%s %s %s %s%s%s%s%s%s%s%s%s\n",name,
2505           ((mode & 0x3 )==OF_READ)?"OF_READ":
2506           ((mode & 0x3 )==OF_WRITE)?"OF_WRITE":
2507           ((mode & 0x3 )==OF_READWRITE)?"OF_READWRITE":"unknown",
2508           ((mode & 0x70 )==OF_SHARE_COMPAT)?"OF_SHARE_COMPAT":
2509           ((mode & 0x70 )==OF_SHARE_DENY_NONE)?"OF_SHARE_DENY_NONE":
2510           ((mode & 0x70 )==OF_SHARE_DENY_READ)?"OF_SHARE_DENY_READ":
2511           ((mode & 0x70 )==OF_SHARE_DENY_WRITE)?"OF_SHARE_DENY_WRITE":
2512           ((mode & 0x70 )==OF_SHARE_EXCLUSIVE)?"OF_SHARE_EXCLUSIVE":"unknown",
2513           ((mode & OF_PARSE )==OF_PARSE)?"OF_PARSE ":"",
2514           ((mode & OF_DELETE )==OF_DELETE)?"OF_DELETE ":"",
2515           ((mode & OF_VERIFY )==OF_VERIFY)?"OF_VERIFY ":"",
2516           ((mode & OF_SEARCH )==OF_SEARCH)?"OF_SEARCH ":"",
2517           ((mode & OF_CANCEL )==OF_CANCEL)?"OF_CANCEL ":"",
2518           ((mode & OF_CREATE )==OF_CREATE)?"OF_CREATE ":"",
2519           ((mode & OF_PROMPT )==OF_PROMPT)?"OF_PROMPT ":"",
2520           ((mode & OF_EXIST )==OF_EXIST)?"OF_EXIST ":"",
2521           ((mode & OF_REOPEN )==OF_REOPEN)?"OF_REOPEN ":""
2522         );
2523
2524
2525     ofs->cBytes = sizeof(OFSTRUCT);
2526     ofs->nErrCode = 0;
2527     if (mode & OF_REOPEN) name = ofs->szPathName;
2528
2529     if (!name) return HFILE_ERROR;
2530
2531     TRACE("%s %04x\n", name, mode );
2532
2533     /* the watcom 10.6 IDE relies on a valid path returned in ofs->szPathName
2534        Are there any cases where getting the path here is wrong?
2535        Uwe Bonnes 1997 Apr 2 */
2536     if (!GetFullPathNameA( name, sizeof(ofs->szPathName), ofs->szPathName, NULL )) goto error;
2537
2538     /* OF_PARSE simply fills the structure */
2539
2540     if (mode & OF_PARSE)
2541     {
2542         ofs->fFixedDisk = (GetDriveTypeA( ofs->szPathName ) != DRIVE_REMOVABLE);
2543         TRACE("(%s): OF_PARSE, res = '%s'\n", name, ofs->szPathName );
2544         return 0;
2545     }
2546
2547     /* OF_CREATE is completely different from all other options, so
2548        handle it first */
2549
2550     if (mode & OF_CREATE)
2551     {
2552         if ((handle = create_file_OF( name, mode )) == INVALID_HANDLE_VALUE)
2553             goto error;
2554     }
2555     else
2556     {
2557         /* Now look for the file */
2558
2559         if (!SearchPathA( NULL, name, NULL, sizeof(ofs->szPathName), ofs->szPathName, NULL ))
2560             goto error;
2561
2562         TRACE("found %s\n", debugstr_a(ofs->szPathName) );
2563
2564         if (mode & OF_DELETE)
2565         {
2566             if (!DeleteFileA( ofs->szPathName )) goto error;
2567             TRACE("(%s): OF_DELETE return = OK\n", name);
2568             return TRUE;
2569         }
2570
2571         handle = LongToHandle(_lopen( ofs->szPathName, mode ));
2572         if (handle == INVALID_HANDLE_VALUE) goto error;
2573
2574         GetFileTime( handle, NULL, NULL, &filetime );
2575         FileTimeToDosDateTime( &filetime, &filedatetime[0], &filedatetime[1] );
2576         if ((mode & OF_VERIFY) && (mode & OF_REOPEN))
2577         {
2578             if (ofs->Reserved1 != filedatetime[0] || ofs->Reserved2 != filedatetime[1] )
2579             {
2580                 CloseHandle( handle );
2581                 WARN("(%s): OF_VERIFY failed\n", name );
2582                 /* FIXME: what error here? */
2583                 SetLastError( ERROR_FILE_NOT_FOUND );
2584                 goto error;
2585             }
2586         }
2587         ofs->Reserved1 = filedatetime[0];
2588         ofs->Reserved2 = filedatetime[1];
2589     }
2590     TRACE("(%s): OK, return = %p\n", name, handle );
2591     if (mode & OF_EXIST)  /* Return TRUE instead of a handle */
2592     {
2593         CloseHandle( handle );
2594         return TRUE;
2595     }
2596     return HandleToLong(handle);
2597
2598 error:  /* We get here if there was an error opening the file */
2599     ofs->nErrCode = GetLastError();
2600     WARN("(%s): return = HFILE_ERROR error= %d\n", name,ofs->nErrCode );
2601     return HFILE_ERROR;
2602 }
2603
2604
2605 /***********************************************************************
2606  *             OpenFileById (KERNEL32.@)
2607  */
2608 HANDLE WINAPI OpenFileById( HANDLE handle, LPFILE_ID_DESCRIPTOR id, DWORD access,
2609                             DWORD share, LPSECURITY_ATTRIBUTES sec_attr, DWORD flags )
2610 {
2611     UINT options;
2612     HANDLE result;
2613     OBJECT_ATTRIBUTES attr;
2614     NTSTATUS status;
2615     IO_STATUS_BLOCK io;
2616     UNICODE_STRING objectName;
2617
2618     if (!id)
2619     {
2620         SetLastError( ERROR_INVALID_PARAMETER );
2621         return INVALID_HANDLE_VALUE;
2622     }
2623
2624     options = FILE_OPEN_BY_FILE_ID;
2625     if (flags & FILE_FLAG_BACKUP_SEMANTICS)
2626         options |= FILE_OPEN_FOR_BACKUP_INTENT;
2627     else
2628         options |= FILE_NON_DIRECTORY_FILE;
2629     if (flags & FILE_FLAG_NO_BUFFERING) options |= FILE_NO_INTERMEDIATE_BUFFERING;
2630     if (!(flags & FILE_FLAG_OVERLAPPED)) options |= FILE_SYNCHRONOUS_IO_NONALERT;
2631     if (flags & FILE_FLAG_RANDOM_ACCESS) options |= FILE_RANDOM_ACCESS;
2632     flags &= FILE_ATTRIBUTE_VALID_FLAGS;
2633
2634     objectName.Length             = sizeof(ULONGLONG);
2635     objectName.Buffer             = (WCHAR *)&id->u.FileId;
2636     attr.Length                   = sizeof(attr);
2637     attr.RootDirectory            = handle;
2638     attr.Attributes               = 0;
2639     attr.ObjectName               = &objectName;
2640     attr.SecurityDescriptor       = sec_attr ? sec_attr->lpSecurityDescriptor : NULL;
2641     attr.SecurityQualityOfService = NULL;
2642     if (sec_attr && sec_attr->bInheritHandle) attr.Attributes |= OBJ_INHERIT;
2643
2644     status = NtCreateFile( &result, access, &attr, &io, NULL, flags,
2645                            share, OPEN_EXISTING, options, NULL, 0 );
2646     if (status != STATUS_SUCCESS)
2647     {
2648         SetLastError( RtlNtStatusToDosError( status ) );
2649         return INVALID_HANDLE_VALUE;
2650     }
2651     return result;
2652 }
2653
2654
2655 /***********************************************************************
2656  *           K32EnumDeviceDrivers (KERNEL32.@)
2657  */
2658 BOOL WINAPI K32EnumDeviceDrivers(void **image_base, DWORD cb, DWORD *needed)
2659 {
2660     FIXME("(%p, %d, %p): stub\n", image_base, cb, needed);
2661
2662     if (needed)
2663         *needed = 0;
2664
2665     return TRUE;
2666 }
2667
2668 /***********************************************************************
2669  *          K32GetDeviceDriverBaseNameA (KERNEL32.@)
2670  */
2671 DWORD WINAPI K32GetDeviceDriverBaseNameA(void *image_base, LPSTR base_name, DWORD size)
2672 {
2673     FIXME("(%p, %p, %d): stub\n", image_base, base_name, size);
2674
2675     if (base_name && size)
2676         base_name[0] = '\0';
2677
2678     return 0;
2679 }
2680
2681 /***********************************************************************
2682  *           K32GetDeviceDriverBaseNameW (KERNEL32.@)
2683  */
2684 DWORD WINAPI K32GetDeviceDriverBaseNameW(void *image_base, LPWSTR base_name, DWORD size)
2685 {
2686     FIXME("(%p, %p, %d): stub\n", image_base, base_name, size);
2687
2688     if (base_name && size)
2689         base_name[0] = '\0';
2690
2691     return 0;
2692 }
2693
2694 /***********************************************************************
2695  *           K32GetDeviceDriverFileNameA (KERNEL32.@)
2696  */
2697 DWORD WINAPI K32GetDeviceDriverFileNameA(void *image_base, LPSTR file_name, DWORD size)
2698 {
2699     FIXME("(%p, %p, %d): stub\n", image_base, file_name, size);
2700
2701     if (file_name && size)
2702         file_name[0] = '\0';
2703
2704     return 0;
2705 }
2706
2707 /***********************************************************************
2708  *           K32GetDeviceDriverFileNameW (KERNEL32.@)
2709  */
2710 DWORD WINAPI K32GetDeviceDriverFileNameW(void *image_base, LPWSTR file_name, DWORD size)
2711 {
2712     FIXME("(%p, %p, %d): stub\n", image_base, file_name, size);
2713
2714     if (file_name && size)
2715         file_name[0] = '\0';
2716
2717     return 0;
2718 }