d3d10: Implement ID3D10EffectVariable::AsShaderResource().
[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 "wine/winbase16.h"
44 #include "kernel_private.h"
45
46 #include "wine/exception.h"
47 #include "wine/unicode.h"
48 #include "wine/debug.h"
49
50 WINE_DEFAULT_DEBUG_CHANNEL(file);
51
52 /* info structure for FindFirstFile handle */
53 typedef struct
54 {
55     DWORD             magic;       /* magic number */
56     HANDLE            handle;      /* handle to directory */
57     CRITICAL_SECTION  cs;          /* crit section protecting this structure */
58     FINDEX_SEARCH_OPS search_op;   /* Flags passed to FindFirst.  */
59     UNICODE_STRING    mask;        /* file mask */
60     UNICODE_STRING    path;        /* NT path used to open the directory */
61     BOOL              is_root;     /* is directory the root of the drive? */
62     UINT              data_pos;    /* current position in dir data */
63     UINT              data_len;    /* length of dir data */
64     BYTE              data[8192];  /* directory data */
65 } FIND_FIRST_INFO;
66
67 #define FIND_FIRST_MAGIC  0xc0ffee11
68
69 static BOOL oem_file_apis;
70
71 static const WCHAR wildcardsW[] = { '*','?',0 };
72
73 /***********************************************************************
74  *              create_file_OF
75  *
76  * Wrapper for CreateFile that takes OF_* mode flags.
77  */
78 static HANDLE create_file_OF( LPCSTR path, INT mode )
79 {
80     DWORD access, sharing, creation;
81
82     if (mode & OF_CREATE)
83     {
84         creation = CREATE_ALWAYS;
85         access = GENERIC_READ | GENERIC_WRITE;
86     }
87     else
88     {
89         creation = OPEN_EXISTING;
90         switch(mode & 0x03)
91         {
92         case OF_READ:      access = GENERIC_READ; break;
93         case OF_WRITE:     access = GENERIC_WRITE; break;
94         case OF_READWRITE: access = GENERIC_READ | GENERIC_WRITE; break;
95         default:           access = 0; break;
96         }
97     }
98
99     switch(mode & 0x70)
100     {
101     case OF_SHARE_EXCLUSIVE:  sharing = 0; break;
102     case OF_SHARE_DENY_WRITE: sharing = FILE_SHARE_READ; break;
103     case OF_SHARE_DENY_READ:  sharing = FILE_SHARE_WRITE; break;
104     case OF_SHARE_DENY_NONE:
105     case OF_SHARE_COMPAT:
106     default:                  sharing = FILE_SHARE_READ | FILE_SHARE_WRITE; break;
107     }
108     return CreateFileA( path, access, sharing, NULL, creation, FILE_ATTRIBUTE_NORMAL, 0 );
109 }
110
111
112 /***********************************************************************
113  *              check_dir_symlink
114  *
115  * Check if a dir symlink should be returned by FindNextFile.
116  */
117 static BOOL check_dir_symlink( FIND_FIRST_INFO *info, const FILE_BOTH_DIR_INFORMATION *file_info )
118 {
119     UNICODE_STRING str;
120     ANSI_STRING unix_name;
121     struct stat st, parent_st;
122     BOOL ret = TRUE;
123     DWORD len;
124
125     str.MaximumLength = info->path.Length + sizeof(WCHAR) + file_info->FileNameLength;
126     if (!(str.Buffer = HeapAlloc( GetProcessHeap(), 0, str.MaximumLength ))) return TRUE;
127     memcpy( str.Buffer, info->path.Buffer, info->path.Length );
128     len = info->path.Length / sizeof(WCHAR);
129     if (!len || str.Buffer[len-1] != '\\') str.Buffer[len++] = '\\';
130     memcpy( str.Buffer + len, file_info->FileName, file_info->FileNameLength );
131     str.Length = len * sizeof(WCHAR) + file_info->FileNameLength;
132
133     unix_name.Buffer = NULL;
134     if (!wine_nt_to_unix_file_name( &str, &unix_name, OPEN_EXISTING, FALSE ) &&
135         !stat( unix_name.Buffer, &st ))
136     {
137         char *p = unix_name.Buffer + unix_name.Length - 1;
138
139         /* skip trailing slashes */
140         while (p > unix_name.Buffer && *p == '/') p--;
141
142         while (ret && p > unix_name.Buffer)
143         {
144             while (p > unix_name.Buffer && *p != '/') p--;
145             while (p > unix_name.Buffer && *p == '/') p--;
146             p[1] = 0;
147             if (!stat( unix_name.Buffer, &parent_st ) &&
148                 parent_st.st_dev == st.st_dev &&
149                 parent_st.st_ino == st.st_ino)
150             {
151                 WARN( "suppressing dir symlink %s pointing to parent %s\n",
152                       debugstr_wn( str.Buffer, str.Length/sizeof(WCHAR) ),
153                       debugstr_a( unix_name.Buffer ));
154                 ret = FALSE;
155             }
156         }
157     }
158     RtlFreeAnsiString( &unix_name );
159     RtlFreeUnicodeString( &str );
160     return ret;
161 }
162
163
164 /***********************************************************************
165  *           FILE_SetDosError
166  *
167  * Set the DOS error code from errno.
168  */
169 void FILE_SetDosError(void)
170 {
171     int save_errno = errno; /* errno gets overwritten by printf */
172
173     TRACE("errno = %d %s\n", errno, strerror(errno));
174     switch (save_errno)
175     {
176     case EAGAIN:
177         SetLastError( ERROR_SHARING_VIOLATION );
178         break;
179     case EBADF:
180         SetLastError( ERROR_INVALID_HANDLE );
181         break;
182     case ENOSPC:
183         SetLastError( ERROR_HANDLE_DISK_FULL );
184         break;
185     case EACCES:
186     case EPERM:
187     case EROFS:
188         SetLastError( ERROR_ACCESS_DENIED );
189         break;
190     case EBUSY:
191         SetLastError( ERROR_LOCK_VIOLATION );
192         break;
193     case ENOENT:
194         SetLastError( ERROR_FILE_NOT_FOUND );
195         break;
196     case EISDIR:
197         SetLastError( ERROR_CANNOT_MAKE );
198         break;
199     case ENFILE:
200     case EMFILE:
201         SetLastError( ERROR_TOO_MANY_OPEN_FILES );
202         break;
203     case EEXIST:
204         SetLastError( ERROR_FILE_EXISTS );
205         break;
206     case EINVAL:
207     case ESPIPE:
208         SetLastError( ERROR_SEEK );
209         break;
210     case ENOTEMPTY:
211         SetLastError( ERROR_DIR_NOT_EMPTY );
212         break;
213     case ENOEXEC:
214         SetLastError( ERROR_BAD_FORMAT );
215         break;
216     case ENOTDIR:
217         SetLastError( ERROR_PATH_NOT_FOUND );
218         break;
219     case EXDEV:
220         SetLastError( ERROR_NOT_SAME_DEVICE );
221         break;
222     default:
223         WARN("unknown file error: %s\n", strerror(save_errno) );
224         SetLastError( ERROR_GEN_FAILURE );
225         break;
226     }
227     errno = save_errno;
228 }
229
230
231 /***********************************************************************
232  *           FILE_name_AtoW
233  *
234  * Convert a file name to Unicode, taking into account the OEM/Ansi API mode.
235  *
236  * If alloc is FALSE uses the TEB static buffer, so it can only be used when
237  * there is no possibility for the function to do that twice, taking into
238  * account any called function.
239  */
240 WCHAR *FILE_name_AtoW( LPCSTR name, BOOL alloc )
241 {
242     ANSI_STRING str;
243     UNICODE_STRING strW, *pstrW;
244     NTSTATUS status;
245
246     RtlInitAnsiString( &str, name );
247     pstrW = alloc ? &strW : &NtCurrentTeb()->StaticUnicodeString;
248     if (oem_file_apis)
249         status = RtlOemStringToUnicodeString( pstrW, &str, alloc );
250     else
251         status = RtlAnsiStringToUnicodeString( pstrW, &str, alloc );
252     if (status == STATUS_SUCCESS) return pstrW->Buffer;
253
254     if (status == STATUS_BUFFER_OVERFLOW)
255         SetLastError( ERROR_FILENAME_EXCED_RANGE );
256     else
257         SetLastError( RtlNtStatusToDosError(status) );
258     return NULL;
259 }
260
261
262 /***********************************************************************
263  *           FILE_name_WtoA
264  *
265  * Convert a file name back to OEM/Ansi. Returns number of bytes copied.
266  */
267 DWORD FILE_name_WtoA( LPCWSTR src, INT srclen, LPSTR dest, INT destlen )
268 {
269     DWORD ret;
270
271     if (srclen < 0) srclen = strlenW( src ) + 1;
272     if (oem_file_apis)
273         RtlUnicodeToOemN( dest, destlen, &ret, src, srclen * sizeof(WCHAR) );
274     else
275         RtlUnicodeToMultiByteN( dest, destlen, &ret, src, srclen * sizeof(WCHAR) );
276     return ret;
277 }
278
279
280 /**************************************************************************
281  *              SetFileApisToOEM   (KERNEL32.@)
282  */
283 VOID WINAPI SetFileApisToOEM(void)
284 {
285     oem_file_apis = TRUE;
286 }
287
288
289 /**************************************************************************
290  *              SetFileApisToANSI   (KERNEL32.@)
291  */
292 VOID WINAPI SetFileApisToANSI(void)
293 {
294     oem_file_apis = FALSE;
295 }
296
297
298 /******************************************************************************
299  *              AreFileApisANSI   (KERNEL32.@)
300  *
301  *  Determines if file functions are using ANSI
302  *
303  * RETURNS
304  *    TRUE:  Set of file functions is using ANSI code page
305  *    FALSE: Set of file functions is using OEM code page
306  */
307 BOOL WINAPI AreFileApisANSI(void)
308 {
309     return !oem_file_apis;
310 }
311
312
313 /**************************************************************************
314  *                      Operations on file handles                        *
315  **************************************************************************/
316
317 /******************************************************************
318  *              FILE_ReadWriteApc (internal)
319  */
320 static void WINAPI FILE_ReadWriteApc(void* apc_user, PIO_STATUS_BLOCK io_status, ULONG reserved)
321 {
322     LPOVERLAPPED_COMPLETION_ROUTINE  cr = apc_user;
323
324     cr(RtlNtStatusToDosError(io_status->u.Status), io_status->Information, (LPOVERLAPPED)io_status);
325 }
326
327
328 /***********************************************************************
329  *              ReadFileEx                (KERNEL32.@)
330  */
331 BOOL WINAPI ReadFileEx(HANDLE hFile, LPVOID buffer, DWORD bytesToRead,
332                        LPOVERLAPPED overlapped,
333                        LPOVERLAPPED_COMPLETION_ROUTINE lpCompletionRoutine)
334 {
335     LARGE_INTEGER       offset;
336     NTSTATUS            status;
337     PIO_STATUS_BLOCK    io_status;
338
339     TRACE("(hFile=%p, buffer=%p, bytes=%u, ovl=%p, ovl_fn=%p)\n", hFile, buffer, bytesToRead, overlapped, lpCompletionRoutine);
340
341     if (!overlapped)
342     {
343         SetLastError(ERROR_INVALID_PARAMETER);
344         return FALSE;
345     }
346
347     offset.u.LowPart = overlapped->u.s.Offset;
348     offset.u.HighPart = overlapped->u.s.OffsetHigh;
349     io_status = (PIO_STATUS_BLOCK)overlapped;
350     io_status->u.Status = STATUS_PENDING;
351     io_status->Information = 0;
352
353     status = NtReadFile(hFile, NULL, FILE_ReadWriteApc, lpCompletionRoutine,
354                         io_status, buffer, bytesToRead, &offset, NULL);
355
356     if (status)
357     {
358         SetLastError( RtlNtStatusToDosError(status) );
359         return FALSE;
360     }
361     return TRUE;
362 }
363
364
365 /***********************************************************************
366  *              ReadFileScatter                (KERNEL32.@)
367  */
368 BOOL WINAPI ReadFileScatter( HANDLE file, FILE_SEGMENT_ELEMENT *segments, DWORD count,
369                              LPDWORD reserved, LPOVERLAPPED overlapped )
370 {
371     PIO_STATUS_BLOCK io_status;
372     LARGE_INTEGER offset;
373     NTSTATUS status;
374
375     TRACE( "(%p %p %u %p)\n", file, segments, count, overlapped );
376
377     offset.u.LowPart = overlapped->u.s.Offset;
378     offset.u.HighPart = overlapped->u.s.OffsetHigh;
379     io_status = (PIO_STATUS_BLOCK)overlapped;
380     io_status->u.Status = STATUS_PENDING;
381     io_status->Information = 0;
382
383     status = NtReadFileScatter( file, NULL, NULL, NULL, io_status, segments, count, &offset, NULL );
384     if (status) SetLastError( RtlNtStatusToDosError(status) );
385     return !status;
386 }
387
388
389 /***********************************************************************
390  *              ReadFile                (KERNEL32.@)
391  */
392 BOOL WINAPI ReadFile( HANDLE hFile, LPVOID buffer, DWORD bytesToRead,
393                       LPDWORD bytesRead, LPOVERLAPPED overlapped )
394 {
395     LARGE_INTEGER       offset;
396     PLARGE_INTEGER      poffset = NULL;
397     IO_STATUS_BLOCK     iosb;
398     PIO_STATUS_BLOCK    io_status = &iosb;
399     HANDLE              hEvent = 0;
400     NTSTATUS            status;
401     LPVOID              cvalue = NULL;
402
403     TRACE("%p %p %d %p %p\n", hFile, buffer, bytesToRead,
404           bytesRead, overlapped );
405
406     if (bytesRead) *bytesRead = 0;  /* Do this before anything else */
407     if (!bytesToRead) return TRUE;
408
409     if (is_console_handle(hFile))
410         return ReadConsoleA(hFile, buffer, bytesToRead, bytesRead, NULL);
411
412     if (overlapped != NULL)
413     {
414         offset.u.LowPart = overlapped->u.s.Offset;
415         offset.u.HighPart = overlapped->u.s.OffsetHigh;
416         poffset = &offset;
417         hEvent = overlapped->hEvent;
418         io_status = (PIO_STATUS_BLOCK)overlapped;
419         if (((ULONG_PTR)hEvent & 1) == 0) cvalue = overlapped;
420     }
421     io_status->u.Status = STATUS_PENDING;
422     io_status->Information = 0;
423
424     status = NtReadFile(hFile, hEvent, NULL, cvalue, io_status, buffer, bytesToRead, poffset, NULL);
425
426     if (status == STATUS_PENDING && !overlapped)
427     {
428         WaitForSingleObject( hFile, INFINITE );
429         status = io_status->u.Status;
430     }
431
432     if (status != STATUS_PENDING && bytesRead)
433         *bytesRead = io_status->Information;
434
435     if (status && status != STATUS_END_OF_FILE && status != STATUS_TIMEOUT)
436     {
437         SetLastError( RtlNtStatusToDosError(status) );
438         return FALSE;
439     }
440     return TRUE;
441 }
442
443
444 /***********************************************************************
445  *              WriteFileEx                (KERNEL32.@)
446  */
447 BOOL WINAPI WriteFileEx(HANDLE hFile, LPCVOID buffer, DWORD bytesToWrite,
448                         LPOVERLAPPED overlapped,
449                         LPOVERLAPPED_COMPLETION_ROUTINE lpCompletionRoutine)
450 {
451     LARGE_INTEGER       offset;
452     NTSTATUS            status;
453     PIO_STATUS_BLOCK    io_status;
454
455     TRACE("%p %p %d %p %p\n", hFile, buffer, bytesToWrite, overlapped, lpCompletionRoutine);
456
457     if (overlapped == NULL)
458     {
459         SetLastError(ERROR_INVALID_PARAMETER);
460         return FALSE;
461     }
462     offset.u.LowPart = overlapped->u.s.Offset;
463     offset.u.HighPart = overlapped->u.s.OffsetHigh;
464
465     io_status = (PIO_STATUS_BLOCK)overlapped;
466     io_status->u.Status = STATUS_PENDING;
467     io_status->Information = 0;
468
469     status = NtWriteFile(hFile, NULL, FILE_ReadWriteApc, lpCompletionRoutine,
470                          io_status, buffer, bytesToWrite, &offset, NULL);
471
472     if (status) SetLastError( RtlNtStatusToDosError(status) );
473     return !status;
474 }
475
476
477 /***********************************************************************
478  *              WriteFileGather                (KERNEL32.@)
479  */
480 BOOL WINAPI WriteFileGather( HANDLE file, FILE_SEGMENT_ELEMENT *segments, DWORD count,
481                              LPDWORD reserved, LPOVERLAPPED overlapped )
482 {
483     PIO_STATUS_BLOCK io_status;
484     LARGE_INTEGER offset;
485     NTSTATUS status;
486
487     TRACE( "%p %p %u %p\n", file, segments, count, overlapped );
488
489     offset.u.LowPart = overlapped->u.s.Offset;
490     offset.u.HighPart = overlapped->u.s.OffsetHigh;
491     io_status = (PIO_STATUS_BLOCK)overlapped;
492     io_status->u.Status = STATUS_PENDING;
493     io_status->Information = 0;
494
495     status = NtWriteFileGather( file, NULL, NULL, NULL, io_status, segments, count, &offset, NULL );
496     if (status) SetLastError( RtlNtStatusToDosError(status) );
497     return !status;
498 }
499
500
501 /***********************************************************************
502  *             WriteFile               (KERNEL32.@)
503  */
504 BOOL WINAPI WriteFile( HANDLE hFile, LPCVOID buffer, DWORD bytesToWrite,
505                        LPDWORD bytesWritten, LPOVERLAPPED overlapped )
506 {
507     HANDLE hEvent = NULL;
508     LARGE_INTEGER offset;
509     PLARGE_INTEGER poffset = NULL;
510     NTSTATUS status;
511     IO_STATUS_BLOCK iosb;
512     PIO_STATUS_BLOCK piosb = &iosb;
513     LPVOID cvalue = NULL;
514
515     TRACE("%p %p %d %p %p\n", hFile, buffer, bytesToWrite, bytesWritten, overlapped );
516
517     if (is_console_handle(hFile))
518         return WriteConsoleA(hFile, buffer, bytesToWrite, bytesWritten, NULL);
519
520     if (overlapped)
521     {
522         offset.u.LowPart = overlapped->u.s.Offset;
523         offset.u.HighPart = overlapped->u.s.OffsetHigh;
524         poffset = &offset;
525         hEvent = overlapped->hEvent;
526         piosb = (PIO_STATUS_BLOCK)overlapped;
527         if (((ULONG_PTR)hEvent & 1) == 0) cvalue = overlapped;
528     }
529     piosb->u.Status = STATUS_PENDING;
530     piosb->Information = 0;
531
532     status = NtWriteFile(hFile, hEvent, NULL, cvalue, piosb,
533                          buffer, bytesToWrite, poffset, NULL);
534
535     if (status == STATUS_PENDING && !overlapped)
536     {
537         WaitForSingleObject( hFile, INFINITE );
538         status = piosb->u.Status;
539     }
540
541     if (status != STATUS_PENDING && bytesWritten)
542         *bytesWritten = piosb->Information;
543
544     if (status && status != STATUS_TIMEOUT)
545     {
546         SetLastError( RtlNtStatusToDosError(status) );
547         return FALSE;
548     }
549     return TRUE;
550 }
551
552
553 /***********************************************************************
554  *              GetOverlappedResult     (KERNEL32.@)
555  *
556  * Check the result of an Asynchronous data transfer from a file.
557  *
558  * Parameters
559  *   HANDLE hFile                 [in] handle of file to check on
560  *   LPOVERLAPPED lpOverlapped    [in/out] pointer to overlapped
561  *   LPDWORD lpTransferred        [in/out] number of bytes transferred
562  *   BOOL bWait                   [in] wait for the transfer to complete ?
563  *
564  * RETURNS
565  *   TRUE on success
566  *   FALSE on failure
567  *
568  *  If successful (and relevant) lpTransferred will hold the number of
569  *   bytes transferred during the async operation.
570  */
571 BOOL WINAPI GetOverlappedResult(HANDLE hFile, LPOVERLAPPED lpOverlapped,
572                                 LPDWORD lpTransferred, BOOL bWait)
573 {
574     NTSTATUS status;
575
576     TRACE( "(%p %p %p %x)\n", hFile, lpOverlapped, lpTransferred, bWait );
577
578     status = lpOverlapped->Internal;
579     if (status == STATUS_PENDING)
580     {
581         if (!bWait)
582         {
583             SetLastError( ERROR_IO_INCOMPLETE );
584             return FALSE;
585         }
586
587         if (WaitForSingleObject( lpOverlapped->hEvent ? lpOverlapped->hEvent : hFile,
588                                  INFINITE ) == WAIT_FAILED)
589             return FALSE;
590         status = lpOverlapped->Internal;
591     }
592
593     *lpTransferred = lpOverlapped->InternalHigh;
594
595     if (status) SetLastError( RtlNtStatusToDosError(status) );
596     return !status;
597 }
598
599 /***********************************************************************
600  *             CancelIoEx                 (KERNEL32.@)
601  *
602  * Cancels pending I/O operations on a file given the overlapped used.
603  *
604  * PARAMS
605  *  handle        [I] File handle.
606  *  lpOverlapped  [I,OPT] pointer to overlapped (if null, cancel all)
607  *
608  * RETURNS
609  *  Success: TRUE.
610  *  Failure: FALSE, check GetLastError().
611  */
612 BOOL WINAPI CancelIoEx(HANDLE handle, LPOVERLAPPED lpOverlapped)
613 {
614     IO_STATUS_BLOCK    io_status;
615
616     NtCancelIoFileEx(handle, (PIO_STATUS_BLOCK) lpOverlapped, &io_status);
617     if (io_status.u.Status)
618     {
619         SetLastError( RtlNtStatusToDosError( io_status.u.Status ) );
620         return FALSE;
621     }
622     return TRUE;
623 }
624
625 /***********************************************************************
626  *             CancelIo                   (KERNEL32.@)
627  *
628  * Cancels pending I/O operations initiated by the current thread on a file.
629  *
630  * PARAMS
631  *  handle [I] File handle.
632  *
633  * RETURNS
634  *  Success: TRUE.
635  *  Failure: FALSE, check GetLastError().
636  */
637 BOOL WINAPI CancelIo(HANDLE handle)
638 {
639     IO_STATUS_BLOCK    io_status;
640
641     NtCancelIoFile(handle, &io_status);
642     if (io_status.u.Status)
643     {
644         SetLastError( RtlNtStatusToDosError( io_status.u.Status ) );
645         return FALSE;
646     }
647     return TRUE;
648 }
649
650 /***********************************************************************
651  *           _hread   (KERNEL32.@)
652  */
653 LONG WINAPI _hread( HFILE hFile, LPVOID buffer, LONG count)
654 {
655     return _lread( hFile, buffer, count );
656 }
657
658
659 /***********************************************************************
660  *           _hwrite   (KERNEL32.@)
661  *
662  *      experimentation yields that _lwrite:
663  *              o truncates the file at the current position with
664  *                a 0 len write
665  *              o returns 0 on a 0 length write
666  *              o works with console handles
667  *
668  */
669 LONG WINAPI _hwrite( HFILE handle, LPCSTR buffer, LONG count )
670 {
671     DWORD result;
672
673     TRACE("%d %p %d\n", handle, buffer, count );
674
675     if (!count)
676     {
677         /* Expand or truncate at current position */
678         if (!SetEndOfFile( LongToHandle(handle) )) return HFILE_ERROR;
679         return 0;
680     }
681     if (!WriteFile( LongToHandle(handle), buffer, count, &result, NULL ))
682         return HFILE_ERROR;
683     return result;
684 }
685
686
687 /***********************************************************************
688  *           _lclose   (KERNEL32.@)
689  */
690 HFILE WINAPI _lclose( HFILE hFile )
691 {
692     TRACE("handle %d\n", hFile );
693     return CloseHandle( LongToHandle(hFile) ) ? 0 : HFILE_ERROR;
694 }
695
696
697 /***********************************************************************
698  *           _lcreat   (KERNEL32.@)
699  */
700 HFILE WINAPI _lcreat( LPCSTR path, INT attr )
701 {
702     HANDLE hfile;
703
704     /* Mask off all flags not explicitly allowed by the doc */
705     attr &= FILE_ATTRIBUTE_READONLY | FILE_ATTRIBUTE_HIDDEN | FILE_ATTRIBUTE_SYSTEM;
706     TRACE("%s %02x\n", path, attr );
707     hfile = CreateFileA( path, GENERIC_READ | GENERIC_WRITE,
708                                FILE_SHARE_READ | FILE_SHARE_WRITE, NULL,
709                                CREATE_ALWAYS, attr, 0 );
710     return HandleToLong(hfile);
711 }
712
713
714 /***********************************************************************
715  *           _lopen   (KERNEL32.@)
716  */
717 HFILE WINAPI _lopen( LPCSTR path, INT mode )
718 {
719     HANDLE hfile;
720
721     TRACE("(%s,%04x)\n", debugstr_a(path), mode );
722     hfile = create_file_OF( path, mode & ~OF_CREATE );
723     return HandleToLong(hfile);
724 }
725
726 /***********************************************************************
727  *           _lread   (KERNEL32.@)
728  */
729 UINT WINAPI _lread( HFILE handle, LPVOID buffer, UINT count )
730 {
731     DWORD result;
732     if (!ReadFile( LongToHandle(handle), buffer, count, &result, NULL ))
733         return HFILE_ERROR;
734     return result;
735 }
736
737
738 /***********************************************************************
739  *           _llseek   (KERNEL32.@)
740  */
741 LONG WINAPI _llseek( HFILE hFile, LONG lOffset, INT nOrigin )
742 {
743     return SetFilePointer( LongToHandle(hFile), lOffset, NULL, nOrigin );
744 }
745
746
747 /***********************************************************************
748  *           _lwrite   (KERNEL32.@)
749  */
750 UINT WINAPI _lwrite( HFILE hFile, LPCSTR buffer, UINT count )
751 {
752     return (UINT)_hwrite( hFile, buffer, (LONG)count );
753 }
754
755
756 /***********************************************************************
757  *           FlushFileBuffers   (KERNEL32.@)
758  */
759 BOOL WINAPI FlushFileBuffers( HANDLE hFile )
760 {
761     NTSTATUS            nts;
762     IO_STATUS_BLOCK     ioblk;
763
764     if (is_console_handle( hFile ))
765     {
766         /* this will fail (as expected) for an output handle */
767         return FlushConsoleInputBuffer( hFile );
768     }
769     nts = NtFlushBuffersFile( hFile, &ioblk );
770     if (nts != STATUS_SUCCESS)
771     {
772         SetLastError( RtlNtStatusToDosError( nts ) );
773         return FALSE;
774     }
775
776     return TRUE;
777 }
778
779
780 /***********************************************************************
781  *           GetFileType   (KERNEL32.@)
782  */
783 DWORD WINAPI GetFileType( HANDLE hFile )
784 {
785     FILE_FS_DEVICE_INFORMATION info;
786     IO_STATUS_BLOCK io;
787     NTSTATUS status;
788
789     if (is_console_handle( hFile )) return FILE_TYPE_CHAR;
790
791     status = NtQueryVolumeInformationFile( hFile, &io, &info, sizeof(info), FileFsDeviceInformation );
792     if (status != STATUS_SUCCESS)
793     {
794         SetLastError( RtlNtStatusToDosError(status) );
795         return FILE_TYPE_UNKNOWN;
796     }
797
798     switch(info.DeviceType)
799     {
800     case FILE_DEVICE_NULL:
801     case FILE_DEVICE_SERIAL_PORT:
802     case FILE_DEVICE_PARALLEL_PORT:
803     case FILE_DEVICE_TAPE:
804     case FILE_DEVICE_UNKNOWN:
805         return FILE_TYPE_CHAR;
806     case FILE_DEVICE_NAMED_PIPE:
807         return FILE_TYPE_PIPE;
808     default:
809         return FILE_TYPE_DISK;
810     }
811 }
812
813
814 /***********************************************************************
815  *             GetFileInformationByHandle   (KERNEL32.@)
816  */
817 BOOL WINAPI GetFileInformationByHandle( HANDLE hFile, BY_HANDLE_FILE_INFORMATION *info )
818 {
819     FILE_ALL_INFORMATION all_info;
820     IO_STATUS_BLOCK io;
821     NTSTATUS status;
822
823     status = NtQueryInformationFile( hFile, &io, &all_info, sizeof(all_info), FileAllInformation );
824     if (status == STATUS_SUCCESS)
825     {
826         info->dwFileAttributes                = all_info.BasicInformation.FileAttributes;
827         info->ftCreationTime.dwHighDateTime   = all_info.BasicInformation.CreationTime.u.HighPart;
828         info->ftCreationTime.dwLowDateTime    = all_info.BasicInformation.CreationTime.u.LowPart;
829         info->ftLastAccessTime.dwHighDateTime = all_info.BasicInformation.LastAccessTime.u.HighPart;
830         info->ftLastAccessTime.dwLowDateTime  = all_info.BasicInformation.LastAccessTime.u.LowPart;
831         info->ftLastWriteTime.dwHighDateTime  = all_info.BasicInformation.LastWriteTime.u.HighPart;
832         info->ftLastWriteTime.dwLowDateTime   = all_info.BasicInformation.LastWriteTime.u.LowPart;
833         info->dwVolumeSerialNumber            = 0;  /* FIXME */
834         info->nFileSizeHigh                   = all_info.StandardInformation.EndOfFile.u.HighPart;
835         info->nFileSizeLow                    = all_info.StandardInformation.EndOfFile.u.LowPart;
836         info->nNumberOfLinks                  = all_info.StandardInformation.NumberOfLinks;
837         info->nFileIndexHigh                  = all_info.InternalInformation.IndexNumber.u.HighPart;
838         info->nFileIndexLow                   = all_info.InternalInformation.IndexNumber.u.LowPart;
839         return TRUE;
840     }
841     SetLastError( RtlNtStatusToDosError(status) );
842     return FALSE;
843 }
844
845
846 /***********************************************************************
847  *           GetFileSize   (KERNEL32.@)
848  *
849  * Retrieve the size of a file.
850  *
851  * PARAMS
852  *  hFile        [I] File to retrieve size of.
853  *  filesizehigh [O] On return, the high bits of the file size.
854  *
855  * RETURNS
856  *  Success: The low bits of the file size.
857  *  Failure: INVALID_FILE_SIZE. As this is could also be a success value,
858  *           check GetLastError() for values other than ERROR_SUCCESS.
859  */
860 DWORD WINAPI GetFileSize( HANDLE hFile, LPDWORD filesizehigh )
861 {
862     LARGE_INTEGER size;
863     if (!GetFileSizeEx( hFile, &size )) return INVALID_FILE_SIZE;
864     if (filesizehigh) *filesizehigh = size.u.HighPart;
865     if (size.u.LowPart == INVALID_FILE_SIZE) SetLastError(0);
866     return size.u.LowPart;
867 }
868
869
870 /***********************************************************************
871  *           GetFileSizeEx   (KERNEL32.@)
872  *
873  * Retrieve the size of a file.
874  *
875  * PARAMS
876  *  hFile        [I] File to retrieve size of.
877  *  lpFileSIze   [O] On return, the size of the file.
878  *
879  * RETURNS
880  *  Success: TRUE.
881  *  Failure: FALSE, check GetLastError().
882  */
883 BOOL WINAPI GetFileSizeEx( HANDLE hFile, PLARGE_INTEGER lpFileSize )
884 {
885     FILE_STANDARD_INFORMATION info;
886     IO_STATUS_BLOCK io;
887     NTSTATUS status;
888
889     status = NtQueryInformationFile( hFile, &io, &info, sizeof(info), FileStandardInformation );
890     if (status == STATUS_SUCCESS)
891     {
892         *lpFileSize = info.EndOfFile;
893         return TRUE;
894     }
895     SetLastError( RtlNtStatusToDosError(status) );
896     return FALSE;
897 }
898
899
900 /**************************************************************************
901  *           SetEndOfFile   (KERNEL32.@)
902  *
903  * Sets the current position as the end of the file.
904  *
905  * PARAMS
906  *  hFile [I] File handle.
907  *
908  * RETURNS
909  *  Success: TRUE.
910  *  Failure: FALSE, check GetLastError().
911  */
912 BOOL WINAPI SetEndOfFile( HANDLE hFile )
913 {
914     FILE_POSITION_INFORMATION pos;
915     FILE_END_OF_FILE_INFORMATION eof;
916     IO_STATUS_BLOCK io;
917     NTSTATUS status;
918
919     status = NtQueryInformationFile( hFile, &io, &pos, sizeof(pos), FilePositionInformation );
920     if (status == STATUS_SUCCESS)
921     {
922         eof.EndOfFile = pos.CurrentByteOffset;
923         status = NtSetInformationFile( hFile, &io, &eof, sizeof(eof), FileEndOfFileInformation );
924     }
925     if (status == STATUS_SUCCESS) return TRUE;
926     SetLastError( RtlNtStatusToDosError(status) );
927     return FALSE;
928 }
929
930
931 /***********************************************************************
932  *           SetFilePointer   (KERNEL32.@)
933  */
934 DWORD WINAPI SetFilePointer( HANDLE hFile, LONG distance, LONG *highword, DWORD method )
935 {
936     LARGE_INTEGER dist, newpos;
937
938     if (highword)
939     {
940         dist.u.LowPart  = distance;
941         dist.u.HighPart = *highword;
942     }
943     else dist.QuadPart = distance;
944
945     if (!SetFilePointerEx( hFile, dist, &newpos, method )) return INVALID_SET_FILE_POINTER;
946
947     if (highword) *highword = newpos.u.HighPart;
948     if (newpos.u.LowPart == INVALID_SET_FILE_POINTER) SetLastError( 0 );
949     return newpos.u.LowPart;
950 }
951
952
953 /***********************************************************************
954  *           SetFilePointerEx   (KERNEL32.@)
955  */
956 BOOL WINAPI SetFilePointerEx( HANDLE hFile, LARGE_INTEGER distance,
957                               LARGE_INTEGER *newpos, DWORD method )
958 {
959     LONGLONG pos;
960     IO_STATUS_BLOCK io;
961     FILE_POSITION_INFORMATION info;
962
963     switch(method)
964     {
965     case FILE_BEGIN:
966         pos = distance.QuadPart;
967         break;
968     case FILE_CURRENT:
969         if (NtQueryInformationFile( hFile, &io, &info, sizeof(info), FilePositionInformation ))
970             goto error;
971         pos = info.CurrentByteOffset.QuadPart + distance.QuadPart;
972         break;
973     case FILE_END:
974         {
975             FILE_END_OF_FILE_INFORMATION eof;
976             if (NtQueryInformationFile( hFile, &io, &eof, sizeof(eof), FileEndOfFileInformation ))
977                 goto error;
978             pos = eof.EndOfFile.QuadPart + distance.QuadPart;
979         }
980         break;
981     default:
982         SetLastError( ERROR_INVALID_PARAMETER );
983         return FALSE;
984     }
985
986     if (pos < 0)
987     {
988         SetLastError( ERROR_NEGATIVE_SEEK );
989         return FALSE;
990     }
991
992     info.CurrentByteOffset.QuadPart = pos;
993     if (NtSetInformationFile( hFile, &io, &info, sizeof(info), FilePositionInformation ))
994         goto error;
995     if (newpos) newpos->QuadPart = pos;
996     return TRUE;
997
998 error:
999     SetLastError( RtlNtStatusToDosError(io.u.Status) );
1000     return FALSE;
1001 }
1002
1003 /***********************************************************************
1004  *           GetFileTime   (KERNEL32.@)
1005  */
1006 BOOL WINAPI GetFileTime( HANDLE hFile, FILETIME *lpCreationTime,
1007                          FILETIME *lpLastAccessTime, FILETIME *lpLastWriteTime )
1008 {
1009     FILE_BASIC_INFORMATION info;
1010     IO_STATUS_BLOCK io;
1011     NTSTATUS status;
1012
1013     status = NtQueryInformationFile( hFile, &io, &info, sizeof(info), FileBasicInformation );
1014     if (status == STATUS_SUCCESS)
1015     {
1016         if (lpCreationTime)
1017         {
1018             lpCreationTime->dwHighDateTime = info.CreationTime.u.HighPart;
1019             lpCreationTime->dwLowDateTime  = info.CreationTime.u.LowPart;
1020         }
1021         if (lpLastAccessTime)
1022         {
1023             lpLastAccessTime->dwHighDateTime = info.LastAccessTime.u.HighPart;
1024             lpLastAccessTime->dwLowDateTime  = info.LastAccessTime.u.LowPart;
1025         }
1026         if (lpLastWriteTime)
1027         {
1028             lpLastWriteTime->dwHighDateTime = info.LastWriteTime.u.HighPart;
1029             lpLastWriteTime->dwLowDateTime  = info.LastWriteTime.u.LowPart;
1030         }
1031         return TRUE;
1032     }
1033     SetLastError( RtlNtStatusToDosError(status) );
1034     return FALSE;
1035 }
1036
1037
1038 /***********************************************************************
1039  *              SetFileTime   (KERNEL32.@)
1040  */
1041 BOOL WINAPI SetFileTime( HANDLE hFile, const FILETIME *ctime,
1042                          const FILETIME *atime, const FILETIME *mtime )
1043 {
1044     FILE_BASIC_INFORMATION info;
1045     IO_STATUS_BLOCK io;
1046     NTSTATUS status;
1047
1048     memset( &info, 0, sizeof(info) );
1049     if (ctime)
1050     {
1051         info.CreationTime.u.HighPart = ctime->dwHighDateTime;
1052         info.CreationTime.u.LowPart  = ctime->dwLowDateTime;
1053     }
1054     if (atime)
1055     {
1056         info.LastAccessTime.u.HighPart = atime->dwHighDateTime;
1057         info.LastAccessTime.u.LowPart  = atime->dwLowDateTime;
1058     }
1059     if (mtime)
1060     {
1061         info.LastWriteTime.u.HighPart = mtime->dwHighDateTime;
1062         info.LastWriteTime.u.LowPart  = mtime->dwLowDateTime;
1063     }
1064
1065     status = NtSetInformationFile( hFile, &io, &info, sizeof(info), FileBasicInformation );
1066     if (status == STATUS_SUCCESS) return TRUE;
1067     SetLastError( RtlNtStatusToDosError(status) );
1068     return FALSE;
1069 }
1070
1071
1072 /**************************************************************************
1073  *           LockFile   (KERNEL32.@)
1074  */
1075 BOOL WINAPI LockFile( HANDLE hFile, DWORD offset_low, DWORD offset_high,
1076                       DWORD count_low, DWORD count_high )
1077 {
1078     NTSTATUS            status;
1079     LARGE_INTEGER       count, offset;
1080
1081     TRACE( "%p %x%08x %x%08x\n",
1082            hFile, offset_high, offset_low, count_high, count_low );
1083
1084     count.u.LowPart = count_low;
1085     count.u.HighPart = count_high;
1086     offset.u.LowPart = offset_low;
1087     offset.u.HighPart = offset_high;
1088
1089     status = NtLockFile( hFile, 0, NULL, NULL,
1090                          NULL, &offset, &count, NULL, TRUE, TRUE );
1091
1092     if (status != STATUS_SUCCESS) SetLastError( RtlNtStatusToDosError(status) );
1093     return !status;
1094 }
1095
1096
1097 /**************************************************************************
1098  * LockFileEx [KERNEL32.@]
1099  *
1100  * Locks a byte range within an open file for shared or exclusive access.
1101  *
1102  * RETURNS
1103  *   success: TRUE
1104  *   failure: FALSE
1105  *
1106  * NOTES
1107  * Per Microsoft docs, the third parameter (reserved) must be set to 0.
1108  */
1109 BOOL WINAPI LockFileEx( HANDLE hFile, DWORD flags, DWORD reserved,
1110                         DWORD count_low, DWORD count_high, LPOVERLAPPED overlapped )
1111 {
1112     NTSTATUS status;
1113     LARGE_INTEGER count, offset;
1114     LPVOID   cvalue = NULL;
1115
1116     if (reserved)
1117     {
1118         SetLastError( ERROR_INVALID_PARAMETER );
1119         return FALSE;
1120     }
1121
1122     TRACE( "%p %x%08x %x%08x flags %x\n",
1123            hFile, overlapped->u.s.OffsetHigh, overlapped->u.s.Offset, 
1124            count_high, count_low, flags );
1125
1126     count.u.LowPart = count_low;
1127     count.u.HighPart = count_high;
1128     offset.u.LowPart = overlapped->u.s.Offset;
1129     offset.u.HighPart = overlapped->u.s.OffsetHigh;
1130
1131     if (((ULONG_PTR)overlapped->hEvent & 1) == 0) cvalue = overlapped;
1132
1133     status = NtLockFile( hFile, overlapped->hEvent, NULL, cvalue,
1134                          NULL, &offset, &count, NULL,
1135                          flags & LOCKFILE_FAIL_IMMEDIATELY,
1136                          flags & LOCKFILE_EXCLUSIVE_LOCK );
1137
1138     if (status) SetLastError( RtlNtStatusToDosError(status) );
1139     return !status;
1140 }
1141
1142
1143 /**************************************************************************
1144  *           UnlockFile   (KERNEL32.@)
1145  */
1146 BOOL WINAPI UnlockFile( HANDLE hFile, DWORD offset_low, DWORD offset_high,
1147                         DWORD count_low, DWORD count_high )
1148 {
1149     NTSTATUS    status;
1150     LARGE_INTEGER count, offset;
1151
1152     count.u.LowPart = count_low;
1153     count.u.HighPart = count_high;
1154     offset.u.LowPart = offset_low;
1155     offset.u.HighPart = offset_high;
1156
1157     status = NtUnlockFile( hFile, NULL, &offset, &count, NULL);
1158     if (status) SetLastError( RtlNtStatusToDosError(status) );
1159     return !status;
1160 }
1161
1162
1163 /**************************************************************************
1164  *           UnlockFileEx   (KERNEL32.@)
1165  */
1166 BOOL WINAPI UnlockFileEx( HANDLE hFile, DWORD reserved, DWORD count_low, DWORD count_high,
1167                           LPOVERLAPPED overlapped )
1168 {
1169     if (reserved)
1170     {
1171         SetLastError( ERROR_INVALID_PARAMETER );
1172         return FALSE;
1173     }
1174     if (overlapped->hEvent) FIXME("Unimplemented overlapped operation\n");
1175
1176     return UnlockFile( hFile, overlapped->u.s.Offset, overlapped->u.s.OffsetHigh, count_low, count_high );
1177 }
1178
1179
1180 /*************************************************************************
1181  *           SetHandleCount   (KERNEL32.@)
1182  */
1183 UINT WINAPI SetHandleCount( UINT count )
1184 {
1185     return min( 256, count );
1186 }
1187
1188
1189 /**************************************************************************
1190  *                      Operations on file names                          *
1191  **************************************************************************/
1192
1193
1194 /*************************************************************************
1195  * CreateFileW [KERNEL32.@]  Creates or opens a file or other object
1196  *
1197  * Creates or opens an object, and returns a handle that can be used to
1198  * access that object.
1199  *
1200  * PARAMS
1201  *
1202  * filename     [in] pointer to filename to be accessed
1203  * access       [in] access mode requested
1204  * sharing      [in] share mode
1205  * sa           [in] pointer to security attributes
1206  * creation     [in] how to create the file
1207  * attributes   [in] attributes for newly created file
1208  * template     [in] handle to file with extended attributes to copy
1209  *
1210  * RETURNS
1211  *   Success: Open handle to specified file
1212  *   Failure: INVALID_HANDLE_VALUE
1213  */
1214 HANDLE WINAPI CreateFileW( LPCWSTR filename, DWORD access, DWORD sharing,
1215                               LPSECURITY_ATTRIBUTES sa, DWORD creation,
1216                               DWORD attributes, HANDLE template )
1217 {
1218     NTSTATUS status;
1219     UINT options;
1220     OBJECT_ATTRIBUTES attr;
1221     UNICODE_STRING nameW;
1222     IO_STATUS_BLOCK io;
1223     HANDLE ret;
1224     DWORD dosdev;
1225     const WCHAR *vxd_name = NULL;
1226     static const WCHAR bkslashes_with_dotW[] = {'\\','\\','.','\\',0};
1227     static const WCHAR coninW[] = {'C','O','N','I','N','$',0};
1228     static const WCHAR conoutW[] = {'C','O','N','O','U','T','$',0};
1229     SECURITY_QUALITY_OF_SERVICE qos;
1230
1231     static const UINT nt_disposition[5] =
1232     {
1233         FILE_CREATE,        /* CREATE_NEW */
1234         FILE_OVERWRITE_IF,  /* CREATE_ALWAYS */
1235         FILE_OPEN,          /* OPEN_EXISTING */
1236         FILE_OPEN_IF,       /* OPEN_ALWAYS */
1237         FILE_OVERWRITE      /* TRUNCATE_EXISTING */
1238     };
1239
1240
1241     /* sanity checks */
1242
1243     if (!filename || !filename[0])
1244     {
1245         SetLastError( ERROR_PATH_NOT_FOUND );
1246         return INVALID_HANDLE_VALUE;
1247     }
1248
1249     TRACE("%s %s%s%s%s%s%s creation %d attributes 0x%x\n", debugstr_w(filename),
1250           (access & GENERIC_READ)?"GENERIC_READ ":"",
1251           (access & GENERIC_WRITE)?"GENERIC_WRITE ":"",
1252           (!access)?"QUERY_ACCESS ":"",
1253           (sharing & FILE_SHARE_READ)?"FILE_SHARE_READ ":"",
1254           (sharing & FILE_SHARE_WRITE)?"FILE_SHARE_WRITE ":"",
1255           (sharing & FILE_SHARE_DELETE)?"FILE_SHARE_DELETE ":"",
1256           creation, attributes);
1257
1258     /* Open a console for CONIN$ or CONOUT$ */
1259
1260     if (!strcmpiW(filename, coninW) || !strcmpiW(filename, conoutW))
1261     {
1262         ret = OpenConsoleW(filename, access, (sa && sa->bInheritHandle), creation);
1263         goto done;
1264     }
1265
1266     if (!strncmpW(filename, bkslashes_with_dotW, 4))
1267     {
1268         static const WCHAR pipeW[] = {'P','I','P','E','\\',0};
1269         static const WCHAR mailslotW[] = {'M','A','I','L','S','L','O','T','\\',0};
1270
1271         if ((isalphaW(filename[4]) && filename[5] == ':' && filename[6] == '\0') ||
1272             !strncmpiW( filename + 4, pipeW, 5 ) ||
1273             !strncmpiW( filename + 4, mailslotW, 9 ))
1274         {
1275             dosdev = 0;
1276         }
1277         else if ((dosdev = RtlIsDosDeviceName_U( filename + 4 )))
1278         {
1279             dosdev += MAKELONG( 0, 4*sizeof(WCHAR) );  /* adjust position to start of filename */
1280         }
1281         else if (GetVersion() & 0x80000000)
1282         {
1283             vxd_name = filename + 4;
1284         }
1285     }
1286     else dosdev = RtlIsDosDeviceName_U( filename );
1287
1288     if (dosdev)
1289     {
1290         static const WCHAR conW[] = {'C','O','N'};
1291
1292         if (LOWORD(dosdev) == sizeof(conW) &&
1293             !memicmpW( filename + HIWORD(dosdev)/sizeof(WCHAR), conW, sizeof(conW)/sizeof(WCHAR)))
1294         {
1295             switch (access & (GENERIC_READ|GENERIC_WRITE))
1296             {
1297             case GENERIC_READ:
1298                 ret = OpenConsoleW(coninW, access, (sa && sa->bInheritHandle), creation);
1299                 goto done;
1300             case GENERIC_WRITE:
1301                 ret = OpenConsoleW(conoutW, access, (sa && sa->bInheritHandle), creation);
1302                 goto done;
1303             default:
1304                 SetLastError( ERROR_FILE_NOT_FOUND );
1305                 return INVALID_HANDLE_VALUE;
1306             }
1307         }
1308     }
1309
1310     if (creation < CREATE_NEW || creation > TRUNCATE_EXISTING)
1311     {
1312         SetLastError( ERROR_INVALID_PARAMETER );
1313         return INVALID_HANDLE_VALUE;
1314     }
1315
1316     if (!RtlDosPathNameToNtPathName_U( filename, &nameW, NULL, NULL ))
1317     {
1318         SetLastError( ERROR_PATH_NOT_FOUND );
1319         return INVALID_HANDLE_VALUE;
1320     }
1321
1322     /* now call NtCreateFile */
1323
1324     options = 0;
1325     if (attributes & FILE_FLAG_BACKUP_SEMANTICS)
1326         options |= FILE_OPEN_FOR_BACKUP_INTENT;
1327     else
1328         options |= FILE_NON_DIRECTORY_FILE;
1329     if (attributes & FILE_FLAG_DELETE_ON_CLOSE)
1330     {
1331         options |= FILE_DELETE_ON_CLOSE;
1332         access |= DELETE;
1333     }
1334     if (attributes & FILE_FLAG_NO_BUFFERING)
1335         options |= FILE_NO_INTERMEDIATE_BUFFERING;
1336     if (!(attributes & FILE_FLAG_OVERLAPPED))
1337         options |= FILE_SYNCHRONOUS_IO_ALERT;
1338     if (attributes & FILE_FLAG_RANDOM_ACCESS)
1339         options |= FILE_RANDOM_ACCESS;
1340     attributes &= FILE_ATTRIBUTE_VALID_FLAGS;
1341
1342     attr.Length = sizeof(attr);
1343     attr.RootDirectory = 0;
1344     attr.Attributes = OBJ_CASE_INSENSITIVE;
1345     attr.ObjectName = &nameW;
1346     attr.SecurityDescriptor = sa ? sa->lpSecurityDescriptor : NULL;
1347     if (attributes & SECURITY_SQOS_PRESENT)
1348     {
1349         qos.Length = sizeof(qos);
1350         qos.ImpersonationLevel = (attributes >> 16) & 0x3;
1351         qos.ContextTrackingMode = attributes & SECURITY_CONTEXT_TRACKING ? SECURITY_DYNAMIC_TRACKING : SECURITY_STATIC_TRACKING;
1352         qos.EffectiveOnly = attributes & SECURITY_EFFECTIVE_ONLY ? TRUE : FALSE;
1353         attr.SecurityQualityOfService = &qos;
1354     }
1355     else
1356         attr.SecurityQualityOfService = NULL;
1357
1358     if (sa && sa->bInheritHandle) attr.Attributes |= OBJ_INHERIT;
1359
1360     status = NtCreateFile( &ret, access, &attr, &io, NULL, attributes,
1361                            sharing, nt_disposition[creation - CREATE_NEW],
1362                            options, NULL, 0 );
1363     if (status)
1364     {
1365         if (vxd_name && vxd_name[0] && (ret = VXD_Open( vxd_name, access, sa ))) goto done;
1366
1367         WARN("Unable to create file %s (status %x)\n", debugstr_w(filename), status);
1368         ret = INVALID_HANDLE_VALUE;
1369
1370         /* In the case file creation was rejected due to CREATE_NEW flag
1371          * was specified and file with that name already exists, correct
1372          * last error is ERROR_FILE_EXISTS and not ERROR_ALREADY_EXISTS.
1373          * Note: RtlNtStatusToDosError is not the subject to blame here.
1374          */
1375         if (status == STATUS_OBJECT_NAME_COLLISION)
1376             SetLastError( ERROR_FILE_EXISTS );
1377         else
1378             SetLastError( RtlNtStatusToDosError(status) );
1379     }
1380     else
1381     {
1382         if ((creation == CREATE_ALWAYS && io.Information == FILE_OVERWRITTEN) ||
1383             (creation == OPEN_ALWAYS && io.Information == FILE_OPENED))
1384             SetLastError( ERROR_ALREADY_EXISTS );
1385         else
1386             SetLastError( 0 );
1387     }
1388     RtlFreeUnicodeString( &nameW );
1389
1390  done:
1391     if (!ret) ret = INVALID_HANDLE_VALUE;
1392     TRACE("returning %p\n", ret);
1393     return ret;
1394 }
1395
1396
1397
1398 /*************************************************************************
1399  *              CreateFileA              (KERNEL32.@)
1400  *
1401  * See CreateFileW.
1402  */
1403 HANDLE WINAPI CreateFileA( LPCSTR filename, DWORD access, DWORD sharing,
1404                            LPSECURITY_ATTRIBUTES sa, DWORD creation,
1405                            DWORD attributes, HANDLE template)
1406 {
1407     WCHAR *nameW;
1408
1409     if (!(nameW = FILE_name_AtoW( filename, FALSE ))) return INVALID_HANDLE_VALUE;
1410     return CreateFileW( nameW, access, sharing, sa, creation, attributes, template );
1411 }
1412
1413
1414 /***********************************************************************
1415  *           DeleteFileW   (KERNEL32.@)
1416  *
1417  * Delete a file.
1418  *
1419  * PARAMS
1420  *  path [I] Path to the file to delete.
1421  *
1422  * RETURNS
1423  *  Success: TRUE.
1424  *  Failure: FALSE, check GetLastError().
1425  */
1426 BOOL WINAPI DeleteFileW( LPCWSTR path )
1427 {
1428     UNICODE_STRING nameW;
1429     OBJECT_ATTRIBUTES attr;
1430     NTSTATUS status;
1431     HANDLE hFile;
1432     IO_STATUS_BLOCK io;
1433
1434     TRACE("%s\n", debugstr_w(path) );
1435
1436     if (!RtlDosPathNameToNtPathName_U( path, &nameW, NULL, NULL ))
1437     {
1438         SetLastError( ERROR_PATH_NOT_FOUND );
1439         return FALSE;
1440     }
1441
1442     attr.Length = sizeof(attr);
1443     attr.RootDirectory = 0;
1444     attr.Attributes = OBJ_CASE_INSENSITIVE;
1445     attr.ObjectName = &nameW;
1446     attr.SecurityDescriptor = NULL;
1447     attr.SecurityQualityOfService = NULL;
1448
1449     status = NtCreateFile(&hFile, GENERIC_READ | GENERIC_WRITE | DELETE,
1450                           &attr, &io, NULL, 0,
1451                           FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
1452                           FILE_OPEN, FILE_DELETE_ON_CLOSE | FILE_NON_DIRECTORY_FILE, NULL, 0);
1453     if (status == STATUS_SUCCESS) status = NtClose(hFile);
1454
1455     RtlFreeUnicodeString( &nameW );
1456     if (status)
1457     {
1458         SetLastError( RtlNtStatusToDosError(status) );
1459         return FALSE;
1460     }
1461     return TRUE;
1462 }
1463
1464
1465 /***********************************************************************
1466  *           DeleteFileA   (KERNEL32.@)
1467  *
1468  * See DeleteFileW.
1469  */
1470 BOOL WINAPI DeleteFileA( LPCSTR path )
1471 {
1472     WCHAR *pathW;
1473
1474     if (!(pathW = FILE_name_AtoW( path, FALSE ))) return FALSE;
1475     return DeleteFileW( pathW );
1476 }
1477
1478
1479 /**************************************************************************
1480  *           ReplaceFileW   (KERNEL32.@)
1481  *           ReplaceFile    (KERNEL32.@)
1482  */
1483 BOOL WINAPI ReplaceFileW(LPCWSTR lpReplacedFileName, LPCWSTR lpReplacementFileName,
1484                          LPCWSTR lpBackupFileName, DWORD dwReplaceFlags,
1485                          LPVOID lpExclude, LPVOID lpReserved)
1486 {
1487     UNICODE_STRING nt_replaced_name, nt_replacement_name;
1488     ANSI_STRING unix_replaced_name, unix_replacement_name, unix_backup_name;
1489     HANDLE hReplaced = NULL, hReplacement = NULL, hBackup = NULL;
1490     DWORD error = ERROR_SUCCESS;
1491     UINT replaced_flags;
1492     BOOL ret = FALSE;
1493     NTSTATUS status;
1494     IO_STATUS_BLOCK io;
1495     OBJECT_ATTRIBUTES attr;
1496
1497     if (dwReplaceFlags)
1498         FIXME("Ignoring flags %x\n", dwReplaceFlags);
1499
1500     /* First two arguments are mandatory */
1501     if (!lpReplacedFileName || !lpReplacementFileName)
1502     {
1503         SetLastError(ERROR_INVALID_PARAMETER);
1504         return FALSE;
1505     }
1506
1507     unix_replaced_name.Buffer = NULL;
1508     unix_replacement_name.Buffer = NULL;
1509     unix_backup_name.Buffer = NULL;
1510
1511     attr.Length = sizeof(attr);
1512     attr.RootDirectory = 0;
1513     attr.Attributes = OBJ_CASE_INSENSITIVE;
1514     attr.ObjectName = NULL;
1515     attr.SecurityDescriptor = NULL;
1516     attr.SecurityQualityOfService = NULL;
1517
1518     /* Open the "replaced" file for reading and writing */
1519     if (!(RtlDosPathNameToNtPathName_U(lpReplacedFileName, &nt_replaced_name, NULL, NULL)))
1520     {
1521         error = ERROR_PATH_NOT_FOUND;
1522         goto fail;
1523     }
1524     replaced_flags = lpBackupFileName ? FILE_OPEN : FILE_OPEN_IF;
1525     attr.ObjectName = &nt_replaced_name;
1526     status = NtOpenFile(&hReplaced, GENERIC_READ|GENERIC_WRITE|DELETE|SYNCHRONIZE,
1527                         &attr, &io,
1528                         FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE,
1529                         FILE_SYNCHRONOUS_IO_NONALERT|FILE_NON_DIRECTORY_FILE);
1530     if (status == STATUS_SUCCESS)
1531         status = wine_nt_to_unix_file_name(&nt_replaced_name, &unix_replaced_name, replaced_flags, FALSE);
1532     RtlFreeUnicodeString(&nt_replaced_name);
1533     if (status != STATUS_SUCCESS)
1534     {
1535         if (status == STATUS_OBJECT_NAME_NOT_FOUND)
1536             error = ERROR_FILE_NOT_FOUND;
1537         else
1538             error = ERROR_UNABLE_TO_REMOVE_REPLACED;
1539         goto fail;
1540     }
1541
1542     /*
1543      * Open the replacement file for reading, writing, and deleting
1544      * (writing and deleting are needed when finished)
1545      */
1546     if (!(RtlDosPathNameToNtPathName_U(lpReplacementFileName, &nt_replacement_name, NULL, NULL)))
1547     {
1548         error = ERROR_PATH_NOT_FOUND;
1549         goto fail;
1550     }
1551     attr.ObjectName = &nt_replacement_name;
1552     status = NtOpenFile(&hReplacement,
1553                         GENERIC_READ|GENERIC_WRITE|DELETE|WRITE_DAC|SYNCHRONIZE,
1554                         &attr, &io, 0,
1555                         FILE_SYNCHRONOUS_IO_NONALERT|FILE_NON_DIRECTORY_FILE);
1556     if (status == STATUS_SUCCESS)
1557         status = wine_nt_to_unix_file_name(&nt_replacement_name, &unix_replacement_name, FILE_OPEN, FALSE);
1558     RtlFreeUnicodeString(&nt_replacement_name);
1559     if (status != STATUS_SUCCESS)
1560     {
1561         error = RtlNtStatusToDosError(status);
1562         goto fail;
1563     }
1564
1565     /* If the user wants a backup then that needs to be performed first */
1566     if (lpBackupFileName)
1567     {
1568         UNICODE_STRING nt_backup_name;
1569         FILE_BASIC_INFORMATION replaced_info;
1570
1571         /* Obtain the file attributes from the "replaced" file */
1572         status = NtQueryInformationFile(hReplaced, &io, &replaced_info,
1573                                         sizeof(replaced_info),
1574                                         FileBasicInformation);
1575         if (status != STATUS_SUCCESS)
1576         {
1577             error = RtlNtStatusToDosError(status);
1578             goto fail;
1579         }
1580
1581         if (!(RtlDosPathNameToNtPathName_U(lpBackupFileName, &nt_backup_name, NULL, NULL)))
1582         {
1583             error = ERROR_PATH_NOT_FOUND;
1584             goto fail;
1585         }
1586         attr.ObjectName = &nt_backup_name;
1587         /* Open the backup with permissions to write over it */
1588         status = NtCreateFile(&hBackup, GENERIC_WRITE,
1589                               &attr, &io, NULL, replaced_info.FileAttributes,
1590                               FILE_SHARE_WRITE, FILE_OPEN_IF,
1591                               FILE_SYNCHRONOUS_IO_NONALERT|FILE_NON_DIRECTORY_FILE,
1592                               NULL, 0);
1593         if (status == STATUS_SUCCESS)
1594             status = wine_nt_to_unix_file_name(&nt_backup_name, &unix_backup_name, FILE_OPEN_IF, FALSE);
1595         if (status != STATUS_SUCCESS)
1596         {
1597             error = RtlNtStatusToDosError(status);
1598             goto fail;
1599         }
1600
1601         /* If an existing backup exists then copy over it */
1602         if (rename(unix_replaced_name.Buffer, unix_backup_name.Buffer) == -1)
1603         {
1604             error = ERROR_UNABLE_TO_REMOVE_REPLACED; /* is this correct? */
1605             goto fail;
1606         }
1607     }
1608
1609     /*
1610      * Now that the backup has been performed (if requested), copy the replacement
1611      * into place
1612      */
1613     if (rename(unix_replacement_name.Buffer, unix_replaced_name.Buffer) == -1)
1614     {
1615         if (errno == EACCES)
1616         {
1617             /* Inappropriate permissions on "replaced", rename will fail */
1618             error = ERROR_UNABLE_TO_REMOVE_REPLACED;
1619             goto fail;
1620         }
1621         /* on failure we need to indicate whether a backup was made */
1622         if (!lpBackupFileName)
1623             error = ERROR_UNABLE_TO_MOVE_REPLACEMENT;
1624         else
1625             error = ERROR_UNABLE_TO_MOVE_REPLACEMENT_2;
1626         goto fail;
1627     }
1628     /* Success! */
1629     ret = TRUE;
1630
1631     /* Perform resource cleanup */
1632 fail:
1633     if (hBackup) CloseHandle(hBackup);
1634     if (hReplaced) CloseHandle(hReplaced);
1635     if (hReplacement) CloseHandle(hReplacement);
1636     RtlFreeAnsiString(&unix_backup_name);
1637     RtlFreeAnsiString(&unix_replacement_name);
1638     RtlFreeAnsiString(&unix_replaced_name);
1639
1640     /* If there was an error, set the error code */
1641     if(!ret)
1642         SetLastError(error);
1643     return ret;
1644 }
1645
1646
1647 /**************************************************************************
1648  *           ReplaceFileA (KERNEL32.@)
1649  */
1650 BOOL WINAPI ReplaceFileA(LPCSTR lpReplacedFileName,LPCSTR lpReplacementFileName,
1651                          LPCSTR lpBackupFileName, DWORD dwReplaceFlags,
1652                          LPVOID lpExclude, LPVOID lpReserved)
1653 {
1654     WCHAR *replacedW, *replacementW, *backupW = NULL;
1655     BOOL ret;
1656
1657     /* This function only makes sense when the first two parameters are defined */
1658     if (!lpReplacedFileName || !(replacedW = FILE_name_AtoW( lpReplacedFileName, TRUE )))
1659     {
1660         SetLastError(ERROR_INVALID_PARAMETER);
1661         return FALSE;
1662     }
1663     if (!lpReplacementFileName || !(replacementW = FILE_name_AtoW( lpReplacementFileName, TRUE )))
1664     {
1665         HeapFree( GetProcessHeap(), 0, replacedW );
1666         SetLastError(ERROR_INVALID_PARAMETER);
1667         return FALSE;
1668     }
1669     /* The backup parameter, however, is optional */
1670     if (lpBackupFileName)
1671     {
1672         if (!(backupW = FILE_name_AtoW( lpBackupFileName, TRUE )))
1673         {
1674             HeapFree( GetProcessHeap(), 0, replacedW );
1675             HeapFree( GetProcessHeap(), 0, replacementW );
1676             SetLastError(ERROR_INVALID_PARAMETER);
1677             return FALSE;
1678         }
1679     }
1680     ret = ReplaceFileW( replacedW, replacementW, backupW, dwReplaceFlags, lpExclude, lpReserved );
1681     HeapFree( GetProcessHeap(), 0, replacedW );
1682     HeapFree( GetProcessHeap(), 0, replacementW );
1683     HeapFree( GetProcessHeap(), 0, backupW );
1684     return ret;
1685 }
1686
1687
1688 /*************************************************************************
1689  *           FindFirstFileExW  (KERNEL32.@)
1690  *
1691  * NOTE: The FindExSearchLimitToDirectories is ignored - it gives the same
1692  * results as FindExSearchNameMatch
1693  */
1694 HANDLE WINAPI FindFirstFileExW( LPCWSTR filename, FINDEX_INFO_LEVELS level,
1695                                 LPVOID data, FINDEX_SEARCH_OPS search_op,
1696                                 LPVOID filter, DWORD flags)
1697 {
1698     WCHAR *mask, *p;
1699     FIND_FIRST_INFO *info = NULL;
1700     UNICODE_STRING nt_name;
1701     OBJECT_ATTRIBUTES attr;
1702     IO_STATUS_BLOCK io;
1703     NTSTATUS status;
1704     DWORD device = 0;
1705
1706     TRACE("%s %d %p %d %p %x\n", debugstr_w(filename), level, data, search_op, filter, flags);
1707
1708     if ((search_op != FindExSearchNameMatch && search_op != FindExSearchLimitToDirectories)
1709         || flags != 0)
1710     {
1711         FIXME("options not implemented 0x%08x 0x%08x\n", search_op, flags );
1712         return INVALID_HANDLE_VALUE;
1713     }
1714     if (level != FindExInfoStandard)
1715     {
1716         FIXME("info level %d not implemented\n", level );
1717         return INVALID_HANDLE_VALUE;
1718     }
1719
1720     if (!RtlDosPathNameToNtPathName_U( filename, &nt_name, &mask, NULL ))
1721     {
1722         SetLastError( ERROR_PATH_NOT_FOUND );
1723         return INVALID_HANDLE_VALUE;
1724     }
1725
1726     if (!(info = HeapAlloc( GetProcessHeap(), 0, sizeof(*info))))
1727     {
1728         SetLastError( ERROR_NOT_ENOUGH_MEMORY );
1729         goto error;
1730     }
1731
1732     if (!mask && (device = RtlIsDosDeviceName_U( filename )))
1733     {
1734         static const WCHAR dotW[] = {'.',0};
1735         WCHAR *dir = NULL;
1736
1737         /* we still need to check that the directory can be opened */
1738
1739         if (HIWORD(device))
1740         {
1741             if (!(dir = HeapAlloc( GetProcessHeap(), 0, HIWORD(device) + sizeof(WCHAR) )))
1742             {
1743                 SetLastError( ERROR_NOT_ENOUGH_MEMORY );
1744                 goto error;
1745             }
1746             memcpy( dir, filename, HIWORD(device) );
1747             dir[HIWORD(device)/sizeof(WCHAR)] = 0;
1748         }
1749         RtlFreeUnicodeString( &nt_name );
1750         if (!RtlDosPathNameToNtPathName_U( dir ? dir : dotW, &nt_name, &mask, NULL ))
1751         {
1752             HeapFree( GetProcessHeap(), 0, dir );
1753             SetLastError( ERROR_PATH_NOT_FOUND );
1754             goto error;
1755         }
1756         HeapFree( GetProcessHeap(), 0, dir );
1757         RtlInitUnicodeString( &info->mask, NULL );
1758     }
1759     else if (!mask || !*mask)
1760     {
1761         SetLastError( ERROR_FILE_NOT_FOUND );
1762         goto error;
1763     }
1764     else
1765     {
1766         if (!RtlCreateUnicodeString( &info->mask, mask ))
1767         {
1768             SetLastError( ERROR_NOT_ENOUGH_MEMORY );
1769             goto error;
1770         }
1771
1772         /* truncate dir name before mask */
1773         *mask = 0;
1774         nt_name.Length = (mask - nt_name.Buffer) * sizeof(WCHAR);
1775     }
1776
1777     /* check if path is the root of the drive */
1778     info->is_root = FALSE;
1779     p = nt_name.Buffer + 4;  /* skip \??\ prefix */
1780     if (p[0] && p[1] == ':')
1781     {
1782         p += 2;
1783         while (*p == '\\') p++;
1784         info->is_root = (*p == 0);
1785     }
1786
1787     attr.Length = sizeof(attr);
1788     attr.RootDirectory = 0;
1789     attr.Attributes = OBJ_CASE_INSENSITIVE;
1790     attr.ObjectName = &nt_name;
1791     attr.SecurityDescriptor = NULL;
1792     attr.SecurityQualityOfService = NULL;
1793
1794     status = NtOpenFile( &info->handle, GENERIC_READ, &attr, &io,
1795                          FILE_SHARE_READ | FILE_SHARE_WRITE,
1796                          FILE_DIRECTORY_FILE | FILE_SYNCHRONOUS_IO_NONALERT );
1797
1798     if (status != STATUS_SUCCESS)
1799     {
1800         RtlFreeUnicodeString( &info->mask );
1801         if (status == STATUS_OBJECT_NAME_NOT_FOUND)
1802             SetLastError( ERROR_PATH_NOT_FOUND );
1803         else
1804             SetLastError( RtlNtStatusToDosError(status) );
1805         goto error;
1806     }
1807
1808     RtlInitializeCriticalSection( &info->cs );
1809     info->cs.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": FIND_FIRST_INFO.cs");
1810     info->path     = nt_name;
1811     info->magic    = FIND_FIRST_MAGIC;
1812     info->data_pos = 0;
1813     info->data_len = 0;
1814     info->search_op = search_op;
1815
1816     if (device)
1817     {
1818         WIN32_FIND_DATAW *wfd = data;
1819
1820         memset( wfd, 0, sizeof(*wfd) );
1821         memcpy( wfd->cFileName, filename + HIWORD(device)/sizeof(WCHAR), LOWORD(device) );
1822         wfd->dwFileAttributes = FILE_ATTRIBUTE_ARCHIVE;
1823         CloseHandle( info->handle );
1824         info->handle = 0;
1825     }
1826     else
1827     {
1828         IO_STATUS_BLOCK io;
1829
1830         NtQueryDirectoryFile( info->handle, 0, NULL, NULL, &io, info->data, sizeof(info->data),
1831                               FileBothDirectoryInformation, FALSE, &info->mask, TRUE );
1832         if (io.u.Status)
1833         {
1834             FindClose( info );
1835             SetLastError( RtlNtStatusToDosError( io.u.Status ) );
1836             return INVALID_HANDLE_VALUE;
1837         }
1838         info->data_len = io.Information;
1839         if (!FindNextFileW( info, data ))
1840         {
1841             TRACE( "%s not found\n", debugstr_w(filename) );
1842             FindClose( info );
1843             SetLastError( ERROR_FILE_NOT_FOUND );
1844             return INVALID_HANDLE_VALUE;
1845         }
1846         if (!strpbrkW( info->mask.Buffer, wildcardsW ))
1847         {
1848             /* we can't find two files with the same name */
1849             CloseHandle( info->handle );
1850             info->handle = 0;
1851         }
1852     }
1853     return info;
1854
1855 error:
1856     HeapFree( GetProcessHeap(), 0, info );
1857     RtlFreeUnicodeString( &nt_name );
1858     return INVALID_HANDLE_VALUE;
1859 }
1860
1861
1862 /*************************************************************************
1863  *           FindNextFileW   (KERNEL32.@)
1864  */
1865 BOOL WINAPI FindNextFileW( HANDLE handle, WIN32_FIND_DATAW *data )
1866 {
1867     FIND_FIRST_INFO *info;
1868     FILE_BOTH_DIR_INFORMATION *dir_info;
1869     BOOL ret = FALSE;
1870
1871     TRACE("%p %p\n", handle, data);
1872
1873     if (!handle || handle == INVALID_HANDLE_VALUE)
1874     {
1875         SetLastError( ERROR_INVALID_HANDLE );
1876         return ret;
1877     }
1878     info = handle;
1879     if (info->magic != FIND_FIRST_MAGIC)
1880     {
1881         SetLastError( ERROR_INVALID_HANDLE );
1882         return ret;
1883     }
1884
1885     RtlEnterCriticalSection( &info->cs );
1886
1887     if (!info->handle) SetLastError( ERROR_NO_MORE_FILES );
1888     else for (;;)
1889     {
1890         if (info->data_pos >= info->data_len)  /* need to read some more data */
1891         {
1892             IO_STATUS_BLOCK io;
1893
1894             NtQueryDirectoryFile( info->handle, 0, NULL, NULL, &io, info->data, sizeof(info->data),
1895                                   FileBothDirectoryInformation, FALSE, &info->mask, FALSE );
1896             if (io.u.Status)
1897             {
1898                 SetLastError( RtlNtStatusToDosError( io.u.Status ) );
1899                 if (io.u.Status == STATUS_NO_MORE_FILES)
1900                 {
1901                     CloseHandle( info->handle );
1902                     info->handle = 0;
1903                 }
1904                 break;
1905             }
1906             info->data_len = io.Information;
1907             info->data_pos = 0;
1908         }
1909
1910         dir_info = (FILE_BOTH_DIR_INFORMATION *)(info->data + info->data_pos);
1911
1912         if (dir_info->NextEntryOffset) info->data_pos += dir_info->NextEntryOffset;
1913         else info->data_pos = info->data_len;
1914
1915         /* don't return '.' and '..' in the root of the drive */
1916         if (info->is_root)
1917         {
1918             if (dir_info->FileNameLength == sizeof(WCHAR) && dir_info->FileName[0] == '.') continue;
1919             if (dir_info->FileNameLength == 2 * sizeof(WCHAR) &&
1920                 dir_info->FileName[0] == '.' && dir_info->FileName[1] == '.') continue;
1921         }
1922
1923         /* check for dir symlink */
1924         if ((dir_info->FileAttributes & FILE_ATTRIBUTE_DIRECTORY) &&
1925             (dir_info->FileAttributes & FILE_ATTRIBUTE_REPARSE_POINT) &&
1926             strpbrkW( info->mask.Buffer, wildcardsW ))
1927         {
1928             if (!check_dir_symlink( info, dir_info )) continue;
1929         }
1930
1931         data->dwFileAttributes = dir_info->FileAttributes;
1932         data->ftCreationTime   = *(FILETIME *)&dir_info->CreationTime;
1933         data->ftLastAccessTime = *(FILETIME *)&dir_info->LastAccessTime;
1934         data->ftLastWriteTime  = *(FILETIME *)&dir_info->LastWriteTime;
1935         data->nFileSizeHigh    = dir_info->EndOfFile.QuadPart >> 32;
1936         data->nFileSizeLow     = (DWORD)dir_info->EndOfFile.QuadPart;
1937         data->dwReserved0      = 0;
1938         data->dwReserved1      = 0;
1939
1940         memcpy( data->cFileName, dir_info->FileName, dir_info->FileNameLength );
1941         data->cFileName[dir_info->FileNameLength/sizeof(WCHAR)] = 0;
1942         memcpy( data->cAlternateFileName, dir_info->ShortName, dir_info->ShortNameLength );
1943         data->cAlternateFileName[dir_info->ShortNameLength/sizeof(WCHAR)] = 0;
1944
1945         TRACE("returning %s (%s)\n",
1946               debugstr_w(data->cFileName), debugstr_w(data->cAlternateFileName) );
1947
1948         ret = TRUE;
1949         break;
1950     }
1951
1952     RtlLeaveCriticalSection( &info->cs );
1953     return ret;
1954 }
1955
1956
1957 /*************************************************************************
1958  *           FindClose   (KERNEL32.@)
1959  */
1960 BOOL WINAPI FindClose( HANDLE handle )
1961 {
1962     FIND_FIRST_INFO *info = handle;
1963
1964     if (!handle || handle == INVALID_HANDLE_VALUE)
1965     {
1966         SetLastError( ERROR_INVALID_HANDLE );
1967         return FALSE;
1968     }
1969
1970     __TRY
1971     {
1972         if (info->magic == FIND_FIRST_MAGIC)
1973         {
1974             RtlEnterCriticalSection( &info->cs );
1975             if (info->magic == FIND_FIRST_MAGIC)  /* in case someone else freed it in the meantime */
1976             {
1977                 info->magic = 0;
1978                 if (info->handle) CloseHandle( info->handle );
1979                 info->handle = 0;
1980                 RtlFreeUnicodeString( &info->mask );
1981                 info->mask.Buffer = NULL;
1982                 RtlFreeUnicodeString( &info->path );
1983                 info->data_pos = 0;
1984                 info->data_len = 0;
1985                 RtlLeaveCriticalSection( &info->cs );
1986                 info->cs.DebugInfo->Spare[0] = 0;
1987                 RtlDeleteCriticalSection( &info->cs );
1988                 HeapFree( GetProcessHeap(), 0, info );
1989             }
1990         }
1991     }
1992     __EXCEPT_PAGE_FAULT
1993     {
1994         WARN("Illegal handle %p\n", handle);
1995         SetLastError( ERROR_INVALID_HANDLE );
1996         return FALSE;
1997     }
1998     __ENDTRY
1999
2000     return TRUE;
2001 }
2002
2003
2004 /*************************************************************************
2005  *           FindFirstFileA   (KERNEL32.@)
2006  */
2007 HANDLE WINAPI FindFirstFileA( LPCSTR lpFileName, WIN32_FIND_DATAA *lpFindData )
2008 {
2009     return FindFirstFileExA(lpFileName, FindExInfoStandard, lpFindData,
2010                             FindExSearchNameMatch, NULL, 0);
2011 }
2012
2013 /*************************************************************************
2014  *           FindFirstFileExA   (KERNEL32.@)
2015  */
2016 HANDLE WINAPI FindFirstFileExA( LPCSTR lpFileName, FINDEX_INFO_LEVELS fInfoLevelId,
2017                                 LPVOID lpFindFileData, FINDEX_SEARCH_OPS fSearchOp,
2018                                 LPVOID lpSearchFilter, DWORD dwAdditionalFlags)
2019 {
2020     HANDLE handle;
2021     WIN32_FIND_DATAA *dataA;
2022     WIN32_FIND_DATAW dataW;
2023     WCHAR *nameW;
2024
2025     if (!(nameW = FILE_name_AtoW( lpFileName, FALSE ))) return INVALID_HANDLE_VALUE;
2026
2027     handle = FindFirstFileExW(nameW, fInfoLevelId, &dataW, fSearchOp, lpSearchFilter, dwAdditionalFlags);
2028     if (handle == INVALID_HANDLE_VALUE) return handle;
2029
2030     dataA = lpFindFileData;
2031     dataA->dwFileAttributes = dataW.dwFileAttributes;
2032     dataA->ftCreationTime   = dataW.ftCreationTime;
2033     dataA->ftLastAccessTime = dataW.ftLastAccessTime;
2034     dataA->ftLastWriteTime  = dataW.ftLastWriteTime;
2035     dataA->nFileSizeHigh    = dataW.nFileSizeHigh;
2036     dataA->nFileSizeLow     = dataW.nFileSizeLow;
2037     FILE_name_WtoA( dataW.cFileName, -1, dataA->cFileName, sizeof(dataA->cFileName) );
2038     FILE_name_WtoA( dataW.cAlternateFileName, -1, dataA->cAlternateFileName,
2039                     sizeof(dataA->cAlternateFileName) );
2040     return handle;
2041 }
2042
2043
2044 /*************************************************************************
2045  *           FindFirstFileW   (KERNEL32.@)
2046  */
2047 HANDLE WINAPI FindFirstFileW( LPCWSTR lpFileName, WIN32_FIND_DATAW *lpFindData )
2048 {
2049     return FindFirstFileExW(lpFileName, FindExInfoStandard, lpFindData,
2050                             FindExSearchNameMatch, NULL, 0);
2051 }
2052
2053
2054 /*************************************************************************
2055  *           FindNextFileA   (KERNEL32.@)
2056  */
2057 BOOL WINAPI FindNextFileA( HANDLE handle, WIN32_FIND_DATAA *data )
2058 {
2059     WIN32_FIND_DATAW dataW;
2060
2061     if (!FindNextFileW( handle, &dataW )) return FALSE;
2062     data->dwFileAttributes = dataW.dwFileAttributes;
2063     data->ftCreationTime   = dataW.ftCreationTime;
2064     data->ftLastAccessTime = dataW.ftLastAccessTime;
2065     data->ftLastWriteTime  = dataW.ftLastWriteTime;
2066     data->nFileSizeHigh    = dataW.nFileSizeHigh;
2067     data->nFileSizeLow     = dataW.nFileSizeLow;
2068     FILE_name_WtoA( dataW.cFileName, -1, data->cFileName, sizeof(data->cFileName) );
2069     FILE_name_WtoA( dataW.cAlternateFileName, -1, data->cAlternateFileName,
2070                     sizeof(data->cAlternateFileName) );
2071     return TRUE;
2072 }
2073
2074
2075 /**************************************************************************
2076  *           GetFileAttributesW   (KERNEL32.@)
2077  */
2078 DWORD WINAPI GetFileAttributesW( LPCWSTR name )
2079 {
2080     FILE_BASIC_INFORMATION info;
2081     UNICODE_STRING nt_name;
2082     OBJECT_ATTRIBUTES attr;
2083     NTSTATUS status;
2084
2085     TRACE("%s\n", debugstr_w(name));
2086
2087     if (!RtlDosPathNameToNtPathName_U( name, &nt_name, NULL, NULL ))
2088     {
2089         SetLastError( ERROR_PATH_NOT_FOUND );
2090         return INVALID_FILE_ATTRIBUTES;
2091     }
2092
2093     attr.Length = sizeof(attr);
2094     attr.RootDirectory = 0;
2095     attr.Attributes = OBJ_CASE_INSENSITIVE;
2096     attr.ObjectName = &nt_name;
2097     attr.SecurityDescriptor = NULL;
2098     attr.SecurityQualityOfService = NULL;
2099
2100     status = NtQueryAttributesFile( &attr, &info );
2101     RtlFreeUnicodeString( &nt_name );
2102
2103     if (status == STATUS_SUCCESS) return info.FileAttributes;
2104
2105     /* NtQueryAttributesFile fails on devices, but GetFileAttributesW succeeds */
2106     if (RtlIsDosDeviceName_U( name )) return FILE_ATTRIBUTE_ARCHIVE;
2107
2108     SetLastError( RtlNtStatusToDosError(status) );
2109     return INVALID_FILE_ATTRIBUTES;
2110 }
2111
2112
2113 /**************************************************************************
2114  *           GetFileAttributesA   (KERNEL32.@)
2115  */
2116 DWORD WINAPI GetFileAttributesA( LPCSTR name )
2117 {
2118     WCHAR *nameW;
2119
2120     if (!(nameW = FILE_name_AtoW( name, FALSE ))) return INVALID_FILE_ATTRIBUTES;
2121     return GetFileAttributesW( nameW );
2122 }
2123
2124
2125 /**************************************************************************
2126  *              SetFileAttributesW      (KERNEL32.@)
2127  */
2128 BOOL WINAPI SetFileAttributesW( LPCWSTR name, DWORD attributes )
2129 {
2130     UNICODE_STRING nt_name;
2131     OBJECT_ATTRIBUTES attr;
2132     IO_STATUS_BLOCK io;
2133     NTSTATUS status;
2134     HANDLE handle;
2135
2136     TRACE("%s %x\n", debugstr_w(name), attributes);
2137
2138     if (!RtlDosPathNameToNtPathName_U( name, &nt_name, NULL, NULL ))
2139     {
2140         SetLastError( ERROR_PATH_NOT_FOUND );
2141         return FALSE;
2142     }
2143
2144     attr.Length = sizeof(attr);
2145     attr.RootDirectory = 0;
2146     attr.Attributes = OBJ_CASE_INSENSITIVE;
2147     attr.ObjectName = &nt_name;
2148     attr.SecurityDescriptor = NULL;
2149     attr.SecurityQualityOfService = NULL;
2150
2151     status = NtOpenFile( &handle, 0, &attr, &io, 0, FILE_SYNCHRONOUS_IO_NONALERT );
2152     RtlFreeUnicodeString( &nt_name );
2153
2154     if (status == STATUS_SUCCESS)
2155     {
2156         FILE_BASIC_INFORMATION info;
2157
2158         memset( &info, 0, sizeof(info) );
2159         info.FileAttributes = attributes | FILE_ATTRIBUTE_NORMAL;  /* make sure it's not zero */
2160         status = NtSetInformationFile( handle, &io, &info, sizeof(info), FileBasicInformation );
2161         NtClose( handle );
2162     }
2163
2164     if (status == STATUS_SUCCESS) return TRUE;
2165     SetLastError( RtlNtStatusToDosError(status) );
2166     return FALSE;
2167 }
2168
2169
2170 /**************************************************************************
2171  *              SetFileAttributesA      (KERNEL32.@)
2172  */
2173 BOOL WINAPI SetFileAttributesA( LPCSTR name, DWORD attributes )
2174 {
2175     WCHAR *nameW;
2176
2177     if (!(nameW = FILE_name_AtoW( name, FALSE ))) return FALSE;
2178     return SetFileAttributesW( nameW, attributes );
2179 }
2180
2181
2182 /**************************************************************************
2183  *           GetFileAttributesExW   (KERNEL32.@)
2184  */
2185 BOOL WINAPI GetFileAttributesExW( LPCWSTR name, GET_FILEEX_INFO_LEVELS level, LPVOID ptr )
2186 {
2187     FILE_NETWORK_OPEN_INFORMATION info;
2188     WIN32_FILE_ATTRIBUTE_DATA *data = ptr;
2189     UNICODE_STRING nt_name;
2190     OBJECT_ATTRIBUTES attr;
2191     NTSTATUS status;
2192     
2193     TRACE("%s %d %p\n", debugstr_w(name), level, ptr);
2194
2195     if (level != GetFileExInfoStandard)
2196     {
2197         SetLastError( ERROR_INVALID_PARAMETER );
2198         return FALSE;
2199     }
2200
2201     if (!RtlDosPathNameToNtPathName_U( name, &nt_name, NULL, NULL ))
2202     {
2203         SetLastError( ERROR_PATH_NOT_FOUND );
2204         return FALSE;
2205     }
2206
2207     attr.Length = sizeof(attr);
2208     attr.RootDirectory = 0;
2209     attr.Attributes = OBJ_CASE_INSENSITIVE;
2210     attr.ObjectName = &nt_name;
2211     attr.SecurityDescriptor = NULL;
2212     attr.SecurityQualityOfService = NULL;
2213
2214     status = NtQueryFullAttributesFile( &attr, &info );
2215     RtlFreeUnicodeString( &nt_name );
2216
2217     if (status != STATUS_SUCCESS)
2218     {
2219         SetLastError( RtlNtStatusToDosError(status) );
2220         return FALSE;
2221     }
2222
2223     data->dwFileAttributes = info.FileAttributes;
2224     data->ftCreationTime.dwLowDateTime    = info.CreationTime.u.LowPart;
2225     data->ftCreationTime.dwHighDateTime   = info.CreationTime.u.HighPart;
2226     data->ftLastAccessTime.dwLowDateTime  = info.LastAccessTime.u.LowPart;
2227     data->ftLastAccessTime.dwHighDateTime = info.LastAccessTime.u.HighPart;
2228     data->ftLastWriteTime.dwLowDateTime   = info.LastWriteTime.u.LowPart;
2229     data->ftLastWriteTime.dwHighDateTime  = info.LastWriteTime.u.HighPart;
2230     data->nFileSizeLow                    = info.EndOfFile.u.LowPart;
2231     data->nFileSizeHigh                   = info.EndOfFile.u.HighPart;
2232     return TRUE;
2233 }
2234
2235
2236 /**************************************************************************
2237  *           GetFileAttributesExA   (KERNEL32.@)
2238  */
2239 BOOL WINAPI GetFileAttributesExA( LPCSTR name, GET_FILEEX_INFO_LEVELS level, LPVOID ptr )
2240 {
2241     WCHAR *nameW;
2242
2243     if (!(nameW = FILE_name_AtoW( name, FALSE ))) return FALSE;
2244     return GetFileAttributesExW( nameW, level, ptr );
2245 }
2246
2247
2248 /******************************************************************************
2249  *           GetCompressedFileSizeW   (KERNEL32.@)
2250  *
2251  * Get the actual number of bytes used on disk.
2252  *
2253  * RETURNS
2254  *    Success: Low-order doubleword of number of bytes
2255  *    Failure: INVALID_FILE_SIZE
2256  */
2257 DWORD WINAPI GetCompressedFileSizeW(
2258     LPCWSTR name,       /* [in]  Pointer to name of file */
2259     LPDWORD size_high ) /* [out] Receives high-order doubleword of size */
2260 {
2261     UNICODE_STRING nt_name;
2262     OBJECT_ATTRIBUTES attr;
2263     IO_STATUS_BLOCK io;
2264     NTSTATUS status;
2265     HANDLE handle;
2266     DWORD ret = INVALID_FILE_SIZE;
2267
2268     TRACE("%s %p\n", debugstr_w(name), size_high);
2269
2270     if (!RtlDosPathNameToNtPathName_U( name, &nt_name, NULL, NULL ))
2271     {
2272         SetLastError( ERROR_PATH_NOT_FOUND );
2273         return INVALID_FILE_SIZE;
2274     }
2275
2276     attr.Length = sizeof(attr);
2277     attr.RootDirectory = 0;
2278     attr.Attributes = OBJ_CASE_INSENSITIVE;
2279     attr.ObjectName = &nt_name;
2280     attr.SecurityDescriptor = NULL;
2281     attr.SecurityQualityOfService = NULL;
2282
2283     status = NtOpenFile( &handle, 0, &attr, &io, 0, FILE_SYNCHRONOUS_IO_NONALERT );
2284     RtlFreeUnicodeString( &nt_name );
2285
2286     if (status == STATUS_SUCCESS)
2287     {
2288         /* we don't support compressed files, simply return the file size */
2289         ret = GetFileSize( handle, size_high );
2290         NtClose( handle );
2291     }
2292     else SetLastError( RtlNtStatusToDosError(status) );
2293
2294     return ret;
2295 }
2296
2297
2298 /******************************************************************************
2299  *           GetCompressedFileSizeA   (KERNEL32.@)
2300  *
2301  * See GetCompressedFileSizeW.
2302  */
2303 DWORD WINAPI GetCompressedFileSizeA( LPCSTR name, LPDWORD size_high )
2304 {
2305     WCHAR *nameW;
2306
2307     if (!(nameW = FILE_name_AtoW( name, FALSE ))) return INVALID_FILE_SIZE;
2308     return GetCompressedFileSizeW( nameW, size_high );
2309 }
2310
2311
2312 /***********************************************************************
2313  *              OpenVxDHandle (KERNEL32.@)
2314  *
2315  *      This function is supposed to return the corresponding Ring 0
2316  *      ("kernel") handle for a Ring 3 handle in Win9x.
2317  *      Evidently, Wine will have problems with this. But we try anyway,
2318  *      maybe it helps...
2319  */
2320 HANDLE WINAPI OpenVxDHandle(HANDLE hHandleRing3)
2321 {
2322     FIXME( "(%p), stub! (returning Ring 3 handle instead of Ring 0)\n", hHandleRing3);
2323     return hHandleRing3;
2324 }
2325
2326
2327 /****************************************************************************
2328  *              DeviceIoControl (KERNEL32.@)
2329  */
2330 BOOL WINAPI DeviceIoControl(HANDLE hDevice, DWORD dwIoControlCode,
2331                             LPVOID lpvInBuffer, DWORD cbInBuffer,
2332                             LPVOID lpvOutBuffer, DWORD cbOutBuffer,
2333                             LPDWORD lpcbBytesReturned,
2334                             LPOVERLAPPED lpOverlapped)
2335 {
2336     NTSTATUS status;
2337
2338     TRACE( "(%p,%x,%p,%d,%p,%d,%p,%p)\n",
2339            hDevice,dwIoControlCode,lpvInBuffer,cbInBuffer,
2340            lpvOutBuffer,cbOutBuffer,lpcbBytesReturned,lpOverlapped );
2341
2342     /* Check if this is a user defined control code for a VxD */
2343
2344     if (HIWORD( dwIoControlCode ) == 0 && (GetVersion() & 0x80000000))
2345     {
2346         DeviceIoProc proc = VXD_get_proc( hDevice );
2347         if (proc) return proc( dwIoControlCode, lpvInBuffer, cbInBuffer,
2348                                lpvOutBuffer, cbOutBuffer, lpcbBytesReturned, lpOverlapped );
2349     }
2350
2351     /* Not a VxD, let ntdll handle it */
2352
2353     if (lpOverlapped)
2354     {
2355         LPVOID cvalue = ((ULONG_PTR)lpOverlapped->hEvent & 1) ? NULL : lpOverlapped;
2356         lpOverlapped->Internal = STATUS_PENDING;
2357         lpOverlapped->InternalHigh = 0;
2358         if (HIWORD(dwIoControlCode) == FILE_DEVICE_FILE_SYSTEM)
2359             status = NtFsControlFile(hDevice, lpOverlapped->hEvent,
2360                                      NULL, cvalue, (PIO_STATUS_BLOCK)lpOverlapped,
2361                                      dwIoControlCode, lpvInBuffer, cbInBuffer,
2362                                      lpvOutBuffer, cbOutBuffer);
2363         else
2364             status = NtDeviceIoControlFile(hDevice, lpOverlapped->hEvent,
2365                                            NULL, cvalue, (PIO_STATUS_BLOCK)lpOverlapped,
2366                                            dwIoControlCode, lpvInBuffer, cbInBuffer,
2367                                            lpvOutBuffer, cbOutBuffer);
2368         if (lpcbBytesReturned) *lpcbBytesReturned = lpOverlapped->InternalHigh;
2369     }
2370     else
2371     {
2372         IO_STATUS_BLOCK iosb;
2373
2374         if (HIWORD(dwIoControlCode) == FILE_DEVICE_FILE_SYSTEM)
2375             status = NtFsControlFile(hDevice, NULL, NULL, NULL, &iosb,
2376                                      dwIoControlCode, lpvInBuffer, cbInBuffer,
2377                                      lpvOutBuffer, cbOutBuffer);
2378         else
2379             status = NtDeviceIoControlFile(hDevice, NULL, NULL, NULL, &iosb,
2380                                            dwIoControlCode, lpvInBuffer, cbInBuffer,
2381                                            lpvOutBuffer, cbOutBuffer);
2382         if (lpcbBytesReturned) *lpcbBytesReturned = iosb.Information;
2383     }
2384     if (status) SetLastError( RtlNtStatusToDosError(status) );
2385     return !status;
2386 }
2387
2388
2389 /***********************************************************************
2390  *           OpenFile   (KERNEL32.@)
2391  */
2392 HFILE WINAPI OpenFile( LPCSTR name, OFSTRUCT *ofs, UINT mode )
2393 {
2394     HANDLE handle;
2395     FILETIME filetime;
2396     WORD filedatetime[2];
2397
2398     if (!ofs) return HFILE_ERROR;
2399
2400     TRACE("%s %s %s %s%s%s%s%s%s%s%s%s\n",name,
2401           ((mode & 0x3 )==OF_READ)?"OF_READ":
2402           ((mode & 0x3 )==OF_WRITE)?"OF_WRITE":
2403           ((mode & 0x3 )==OF_READWRITE)?"OF_READWRITE":"unknown",
2404           ((mode & 0x70 )==OF_SHARE_COMPAT)?"OF_SHARE_COMPAT":
2405           ((mode & 0x70 )==OF_SHARE_DENY_NONE)?"OF_SHARE_DENY_NONE":
2406           ((mode & 0x70 )==OF_SHARE_DENY_READ)?"OF_SHARE_DENY_READ":
2407           ((mode & 0x70 )==OF_SHARE_DENY_WRITE)?"OF_SHARE_DENY_WRITE":
2408           ((mode & 0x70 )==OF_SHARE_EXCLUSIVE)?"OF_SHARE_EXCLUSIVE":"unknown",
2409           ((mode & OF_PARSE )==OF_PARSE)?"OF_PARSE ":"",
2410           ((mode & OF_DELETE )==OF_DELETE)?"OF_DELETE ":"",
2411           ((mode & OF_VERIFY )==OF_VERIFY)?"OF_VERIFY ":"",
2412           ((mode & OF_SEARCH )==OF_SEARCH)?"OF_SEARCH ":"",
2413           ((mode & OF_CANCEL )==OF_CANCEL)?"OF_CANCEL ":"",
2414           ((mode & OF_CREATE )==OF_CREATE)?"OF_CREATE ":"",
2415           ((mode & OF_PROMPT )==OF_PROMPT)?"OF_PROMPT ":"",
2416           ((mode & OF_EXIST )==OF_EXIST)?"OF_EXIST ":"",
2417           ((mode & OF_REOPEN )==OF_REOPEN)?"OF_REOPEN ":""
2418         );
2419
2420
2421     ofs->cBytes = sizeof(OFSTRUCT);
2422     ofs->nErrCode = 0;
2423     if (mode & OF_REOPEN) name = ofs->szPathName;
2424
2425     if (!name) return HFILE_ERROR;
2426
2427     TRACE("%s %04x\n", name, mode );
2428
2429     /* the watcom 10.6 IDE relies on a valid path returned in ofs->szPathName
2430        Are there any cases where getting the path here is wrong?
2431        Uwe Bonnes 1997 Apr 2 */
2432     if (!GetFullPathNameA( name, sizeof(ofs->szPathName), ofs->szPathName, NULL )) goto error;
2433
2434     /* OF_PARSE simply fills the structure */
2435
2436     if (mode & OF_PARSE)
2437     {
2438         ofs->fFixedDisk = (GetDriveTypeA( ofs->szPathName ) != DRIVE_REMOVABLE);
2439         TRACE("(%s): OF_PARSE, res = '%s'\n", name, ofs->szPathName );
2440         return 0;
2441     }
2442
2443     /* OF_CREATE is completely different from all other options, so
2444        handle it first */
2445
2446     if (mode & OF_CREATE)
2447     {
2448         if ((handle = create_file_OF( name, mode )) == INVALID_HANDLE_VALUE)
2449             goto error;
2450     }
2451     else
2452     {
2453         /* Now look for the file */
2454
2455         if (!SearchPathA( NULL, name, NULL, sizeof(ofs->szPathName), ofs->szPathName, NULL ))
2456             goto error;
2457
2458         TRACE("found %s\n", debugstr_a(ofs->szPathName) );
2459
2460         if (mode & OF_DELETE)
2461         {
2462             if (!DeleteFileA( ofs->szPathName )) goto error;
2463             TRACE("(%s): OF_DELETE return = OK\n", name);
2464             return TRUE;
2465         }
2466
2467         handle = LongToHandle(_lopen( ofs->szPathName, mode ));
2468         if (handle == INVALID_HANDLE_VALUE) goto error;
2469
2470         GetFileTime( handle, NULL, NULL, &filetime );
2471         FileTimeToDosDateTime( &filetime, &filedatetime[0], &filedatetime[1] );
2472         if ((mode & OF_VERIFY) && (mode & OF_REOPEN))
2473         {
2474             if (ofs->Reserved1 != filedatetime[0] || ofs->Reserved2 != filedatetime[1] )
2475             {
2476                 CloseHandle( handle );
2477                 WARN("(%s): OF_VERIFY failed\n", name );
2478                 /* FIXME: what error here? */
2479                 SetLastError( ERROR_FILE_NOT_FOUND );
2480                 goto error;
2481             }
2482         }
2483         ofs->Reserved1 = filedatetime[0];
2484         ofs->Reserved2 = filedatetime[1];
2485     }
2486     TRACE("(%s): OK, return = %p\n", name, handle );
2487     if (mode & OF_EXIST)  /* Return TRUE instead of a handle */
2488     {
2489         CloseHandle( handle );
2490         return TRUE;
2491     }
2492     return HandleToLong(handle);
2493
2494 error:  /* We get here if there was an error opening the file */
2495     ofs->nErrCode = GetLastError();
2496     WARN("(%s): return = HFILE_ERROR error= %d\n", name,ofs->nErrCode );
2497     return HFILE_ERROR;
2498 }