kernel32: Moved the DeviceIoControl function to file.c.
[wine/wine-gecko.git] / dlls / kernel32 / file.c
blobe6d83bc7e905c73d9395fd24cff223dcaea94d69
1 /*
2 * File handling functions
4 * Copyright 1993 John Burton
5 * Copyright 1996, 2004 Alexandre Julliard
6 * Copyright 2008 Jeff Zaroyko
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.
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.
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
23 #include "config.h"
24 #include "wine/port.h"
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
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"
46 #include "wine/exception.h"
47 #include "wine/unicode.h"
48 #include "wine/debug.h"
50 WINE_DEFAULT_DEBUG_CHANNEL(file);
52 /* info structure for FindFirstFile handle */
53 typedef struct
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;
67 #define FIND_FIRST_MAGIC 0xc0ffee11
69 static BOOL oem_file_apis;
71 static const WCHAR wildcardsW[] = { '*','?',0 };
73 /***********************************************************************
74 * create_file_OF
76 * Wrapper for CreateFile that takes OF_* mode flags.
78 static HANDLE create_file_OF( LPCSTR path, INT mode )
80 DWORD access, sharing, creation;
82 if (mode & OF_CREATE)
84 creation = CREATE_ALWAYS;
85 access = GENERIC_READ | GENERIC_WRITE;
87 else
89 creation = OPEN_EXISTING;
90 switch(mode & 0x03)
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;
99 switch(mode & 0x70)
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;
108 return CreateFileA( path, access, sharing, NULL, creation, FILE_ATTRIBUTE_NORMAL, 0 );
112 /***********************************************************************
113 * check_dir_symlink
115 * Check if a dir symlink should be returned by FindNextFile.
117 static BOOL check_dir_symlink( FIND_FIRST_INFO *info, const FILE_BOTH_DIR_INFORMATION *file_info )
119 UNICODE_STRING str;
120 ANSI_STRING unix_name;
121 struct stat st, parent_st;
122 BOOL ret = TRUE;
123 DWORD len;
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;
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 ))
137 char *p = unix_name.Buffer + unix_name.Length - 1;
139 /* skip trailing slashes */
140 while (p > unix_name.Buffer && *p == '/') p--;
142 while (ret && p > unix_name.Buffer)
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)
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;
158 RtlFreeAnsiString( &unix_name );
159 RtlFreeUnicodeString( &str );
160 return ret;
164 /***********************************************************************
165 * FILE_SetDosError
167 * Set the DOS error code from errno.
169 void FILE_SetDosError(void)
171 int save_errno = errno; /* errno gets overwritten by printf */
173 TRACE("errno = %d %s\n", errno, strerror(errno));
174 switch (save_errno)
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;
227 errno = save_errno;
231 /***********************************************************************
232 * FILE_name_AtoW
234 * Convert a file name to Unicode, taking into account the OEM/Ansi API mode.
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.
240 WCHAR *FILE_name_AtoW( LPCSTR name, BOOL alloc )
242 ANSI_STRING str;
243 UNICODE_STRING strW, *pstrW;
244 NTSTATUS status;
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;
254 if (status == STATUS_BUFFER_OVERFLOW)
255 SetLastError( ERROR_FILENAME_EXCED_RANGE );
256 else
257 SetLastError( RtlNtStatusToDosError(status) );
258 return NULL;
262 /***********************************************************************
263 * FILE_name_WtoA
265 * Convert a file name back to OEM/Ansi. Returns number of bytes copied.
267 DWORD FILE_name_WtoA( LPCWSTR src, INT srclen, LPSTR dest, INT destlen )
269 DWORD ret;
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;
280 /**************************************************************************
281 * SetFileApisToOEM (KERNEL32.@)
283 VOID WINAPI SetFileApisToOEM(void)
285 oem_file_apis = TRUE;
289 /**************************************************************************
290 * SetFileApisToANSI (KERNEL32.@)
292 VOID WINAPI SetFileApisToANSI(void)
294 oem_file_apis = FALSE;
298 /******************************************************************************
299 * AreFileApisANSI (KERNEL32.@)
301 * Determines if file functions are using ANSI
303 * RETURNS
304 * TRUE: Set of file functions is using ANSI code page
305 * FALSE: Set of file functions is using OEM code page
307 BOOL WINAPI AreFileApisANSI(void)
309 return !oem_file_apis;
313 /**************************************************************************
314 * Operations on file handles *
315 **************************************************************************/
317 /******************************************************************
318 * FILE_ReadWriteApc (internal)
320 static void WINAPI FILE_ReadWriteApc(void* apc_user, PIO_STATUS_BLOCK io_status, ULONG reserved)
322 LPOVERLAPPED_COMPLETION_ROUTINE cr = apc_user;
324 cr(RtlNtStatusToDosError(io_status->u.Status), io_status->Information, (LPOVERLAPPED)io_status);
328 /***********************************************************************
329 * ReadFileEx (KERNEL32.@)
331 BOOL WINAPI ReadFileEx(HANDLE hFile, LPVOID buffer, DWORD bytesToRead,
332 LPOVERLAPPED overlapped,
333 LPOVERLAPPED_COMPLETION_ROUTINE lpCompletionRoutine)
335 LARGE_INTEGER offset;
336 NTSTATUS status;
337 PIO_STATUS_BLOCK io_status;
339 TRACE("(hFile=%p, buffer=%p, bytes=%u, ovl=%p, ovl_fn=%p)\n", hFile, buffer, bytesToRead, overlapped, lpCompletionRoutine);
341 if (!overlapped)
343 SetLastError(ERROR_INVALID_PARAMETER);
344 return FALSE;
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;
353 status = NtReadFile(hFile, NULL, FILE_ReadWriteApc, lpCompletionRoutine,
354 io_status, buffer, bytesToRead, &offset, NULL);
356 if (status)
358 SetLastError( RtlNtStatusToDosError(status) );
359 return FALSE;
361 return TRUE;
365 /***********************************************************************
366 * ReadFileScatter (KERNEL32.@)
368 BOOL WINAPI ReadFileScatter( HANDLE file, FILE_SEGMENT_ELEMENT *segments, DWORD count,
369 LPDWORD reserved, LPOVERLAPPED overlapped )
371 PIO_STATUS_BLOCK io_status;
372 LARGE_INTEGER offset;
373 NTSTATUS status;
375 TRACE( "(%p %p %u %p)\n", file, segments, count, overlapped );
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;
383 status = NtReadFileScatter( file, NULL, NULL, NULL, io_status, segments, count, &offset, NULL );
384 if (status) SetLastError( RtlNtStatusToDosError(status) );
385 return !status;
389 /***********************************************************************
390 * ReadFile (KERNEL32.@)
392 BOOL WINAPI ReadFile( HANDLE hFile, LPVOID buffer, DWORD bytesToRead,
393 LPDWORD bytesRead, LPOVERLAPPED overlapped )
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;
403 TRACE("%p %p %d %p %p\n", hFile, buffer, bytesToRead,
404 bytesRead, overlapped );
406 if (bytesRead) *bytesRead = 0; /* Do this before anything else */
407 if (!bytesToRead) return TRUE;
409 if (is_console_handle(hFile))
410 return ReadConsoleA(hFile, buffer, bytesToRead, bytesRead, NULL);
412 if (overlapped != NULL)
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;
421 io_status->u.Status = STATUS_PENDING;
422 io_status->Information = 0;
424 status = NtReadFile(hFile, hEvent, NULL, cvalue, io_status, buffer, bytesToRead, poffset, NULL);
426 if (status == STATUS_PENDING && !overlapped)
428 WaitForSingleObject( hFile, INFINITE );
429 status = io_status->u.Status;
432 if (status != STATUS_PENDING && bytesRead)
433 *bytesRead = io_status->Information;
435 if (status && status != STATUS_END_OF_FILE && status != STATUS_TIMEOUT)
437 SetLastError( RtlNtStatusToDosError(status) );
438 return FALSE;
440 return TRUE;
444 /***********************************************************************
445 * WriteFileEx (KERNEL32.@)
447 BOOL WINAPI WriteFileEx(HANDLE hFile, LPCVOID buffer, DWORD bytesToWrite,
448 LPOVERLAPPED overlapped,
449 LPOVERLAPPED_COMPLETION_ROUTINE lpCompletionRoutine)
451 LARGE_INTEGER offset;
452 NTSTATUS status;
453 PIO_STATUS_BLOCK io_status;
455 TRACE("%p %p %d %p %p\n", hFile, buffer, bytesToWrite, overlapped, lpCompletionRoutine);
457 if (overlapped == NULL)
459 SetLastError(ERROR_INVALID_PARAMETER);
460 return FALSE;
462 offset.u.LowPart = overlapped->u.s.Offset;
463 offset.u.HighPart = overlapped->u.s.OffsetHigh;
465 io_status = (PIO_STATUS_BLOCK)overlapped;
466 io_status->u.Status = STATUS_PENDING;
467 io_status->Information = 0;
469 status = NtWriteFile(hFile, NULL, FILE_ReadWriteApc, lpCompletionRoutine,
470 io_status, buffer, bytesToWrite, &offset, NULL);
472 if (status) SetLastError( RtlNtStatusToDosError(status) );
473 return !status;
477 /***********************************************************************
478 * WriteFileGather (KERNEL32.@)
480 BOOL WINAPI WriteFileGather( HANDLE file, FILE_SEGMENT_ELEMENT *segments, DWORD count,
481 LPDWORD reserved, LPOVERLAPPED overlapped )
483 PIO_STATUS_BLOCK io_status;
484 LARGE_INTEGER offset;
485 NTSTATUS status;
487 TRACE( "%p %p %u %p\n", file, segments, count, overlapped );
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;
495 status = NtWriteFileGather( file, NULL, NULL, NULL, io_status, segments, count, &offset, NULL );
496 if (status) SetLastError( RtlNtStatusToDosError(status) );
497 return !status;
501 /***********************************************************************
502 * WriteFile (KERNEL32.@)
504 BOOL WINAPI WriteFile( HANDLE hFile, LPCVOID buffer, DWORD bytesToWrite,
505 LPDWORD bytesWritten, LPOVERLAPPED overlapped )
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;
515 TRACE("%p %p %d %p %p\n", hFile, buffer, bytesToWrite, bytesWritten, overlapped );
517 if (is_console_handle(hFile))
518 return WriteConsoleA(hFile, buffer, bytesToWrite, bytesWritten, NULL);
520 if (overlapped)
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;
529 piosb->u.Status = STATUS_PENDING;
530 piosb->Information = 0;
532 status = NtWriteFile(hFile, hEvent, NULL, cvalue, piosb,
533 buffer, bytesToWrite, poffset, NULL);
535 if (status == STATUS_PENDING && !overlapped)
537 WaitForSingleObject( hFile, INFINITE );
538 status = piosb->u.Status;
541 if (status != STATUS_PENDING && bytesWritten)
542 *bytesWritten = piosb->Information;
544 if (status && status != STATUS_TIMEOUT)
546 SetLastError( RtlNtStatusToDosError(status) );
547 return FALSE;
549 return TRUE;
553 /***********************************************************************
554 * GetOverlappedResult (KERNEL32.@)
556 * Check the result of an Asynchronous data transfer from a file.
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 ?
564 * RETURNS
565 * TRUE on success
566 * FALSE on failure
568 * If successful (and relevant) lpTransferred will hold the number of
569 * bytes transferred during the async operation.
571 BOOL WINAPI GetOverlappedResult(HANDLE hFile, LPOVERLAPPED lpOverlapped,
572 LPDWORD lpTransferred, BOOL bWait)
574 NTSTATUS status;
576 TRACE( "(%p %p %p %x)\n", hFile, lpOverlapped, lpTransferred, bWait );
578 status = lpOverlapped->Internal;
579 if (status == STATUS_PENDING)
581 if (!bWait)
583 SetLastError( ERROR_IO_INCOMPLETE );
584 return FALSE;
587 if (WaitForSingleObject( lpOverlapped->hEvent ? lpOverlapped->hEvent : hFile,
588 INFINITE ) == WAIT_FAILED)
589 return FALSE;
590 status = lpOverlapped->Internal;
593 *lpTransferred = lpOverlapped->InternalHigh;
595 if (status) SetLastError( RtlNtStatusToDosError(status) );
596 return !status;
599 /***********************************************************************
600 * CancelIoEx (KERNEL32.@)
602 * Cancels pending I/O operations on a file given the overlapped used.
604 * PARAMS
605 * handle [I] File handle.
606 * lpOverlapped [I,OPT] pointer to overlapped (if null, cancel all)
608 * RETURNS
609 * Success: TRUE.
610 * Failure: FALSE, check GetLastError().
612 BOOL WINAPI CancelIoEx(HANDLE handle, LPOVERLAPPED lpOverlapped)
614 IO_STATUS_BLOCK io_status;
616 NtCancelIoFileEx(handle, (PIO_STATUS_BLOCK) lpOverlapped, &io_status);
617 if (io_status.u.Status)
619 SetLastError( RtlNtStatusToDosError( io_status.u.Status ) );
620 return FALSE;
622 return TRUE;
625 /***********************************************************************
626 * CancelIo (KERNEL32.@)
628 * Cancels pending I/O operations initiated by the current thread on a file.
630 * PARAMS
631 * handle [I] File handle.
633 * RETURNS
634 * Success: TRUE.
635 * Failure: FALSE, check GetLastError().
637 BOOL WINAPI CancelIo(HANDLE handle)
639 IO_STATUS_BLOCK io_status;
641 NtCancelIoFile(handle, &io_status);
642 if (io_status.u.Status)
644 SetLastError( RtlNtStatusToDosError( io_status.u.Status ) );
645 return FALSE;
647 return TRUE;
650 /***********************************************************************
651 * _hread (KERNEL32.@)
653 LONG WINAPI _hread( HFILE hFile, LPVOID buffer, LONG count)
655 return _lread( hFile, buffer, count );
659 /***********************************************************************
660 * _hwrite (KERNEL32.@)
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
669 LONG WINAPI _hwrite( HFILE handle, LPCSTR buffer, LONG count )
671 DWORD result;
673 TRACE("%d %p %d\n", handle, buffer, count );
675 if (!count)
677 /* Expand or truncate at current position */
678 if (!SetEndOfFile( LongToHandle(handle) )) return HFILE_ERROR;
679 return 0;
681 if (!WriteFile( LongToHandle(handle), buffer, count, &result, NULL ))
682 return HFILE_ERROR;
683 return result;
687 /***********************************************************************
688 * _lclose (KERNEL32.@)
690 HFILE WINAPI _lclose( HFILE hFile )
692 TRACE("handle %d\n", hFile );
693 return CloseHandle( LongToHandle(hFile) ) ? 0 : HFILE_ERROR;
697 /***********************************************************************
698 * _lcreat (KERNEL32.@)
700 HFILE WINAPI _lcreat( LPCSTR path, INT attr )
702 HANDLE hfile;
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);
714 /***********************************************************************
715 * _lopen (KERNEL32.@)
717 HFILE WINAPI _lopen( LPCSTR path, INT mode )
719 HANDLE hfile;
721 TRACE("(%s,%04x)\n", debugstr_a(path), mode );
722 hfile = create_file_OF( path, mode & ~OF_CREATE );
723 return HandleToLong(hfile);
726 /***********************************************************************
727 * _lread (KERNEL32.@)
729 UINT WINAPI _lread( HFILE handle, LPVOID buffer, UINT count )
731 DWORD result;
732 if (!ReadFile( LongToHandle(handle), buffer, count, &result, NULL ))
733 return HFILE_ERROR;
734 return result;
738 /***********************************************************************
739 * _llseek (KERNEL32.@)
741 LONG WINAPI _llseek( HFILE hFile, LONG lOffset, INT nOrigin )
743 return SetFilePointer( LongToHandle(hFile), lOffset, NULL, nOrigin );
747 /***********************************************************************
748 * _lwrite (KERNEL32.@)
750 UINT WINAPI _lwrite( HFILE hFile, LPCSTR buffer, UINT count )
752 return (UINT)_hwrite( hFile, buffer, (LONG)count );
756 /***********************************************************************
757 * FlushFileBuffers (KERNEL32.@)
759 BOOL WINAPI FlushFileBuffers( HANDLE hFile )
761 NTSTATUS nts;
762 IO_STATUS_BLOCK ioblk;
764 if (is_console_handle( hFile ))
766 /* this will fail (as expected) for an output handle */
767 return FlushConsoleInputBuffer( hFile );
769 nts = NtFlushBuffersFile( hFile, &ioblk );
770 if (nts != STATUS_SUCCESS)
772 SetLastError( RtlNtStatusToDosError( nts ) );
773 return FALSE;
776 return TRUE;
780 /***********************************************************************
781 * GetFileType (KERNEL32.@)
783 DWORD WINAPI GetFileType( HANDLE hFile )
785 FILE_FS_DEVICE_INFORMATION info;
786 IO_STATUS_BLOCK io;
787 NTSTATUS status;
789 if (is_console_handle( hFile )) return FILE_TYPE_CHAR;
791 status = NtQueryVolumeInformationFile( hFile, &io, &info, sizeof(info), FileFsDeviceInformation );
792 if (status != STATUS_SUCCESS)
794 SetLastError( RtlNtStatusToDosError(status) );
795 return FILE_TYPE_UNKNOWN;
798 switch(info.DeviceType)
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;
814 /***********************************************************************
815 * GetFileInformationByHandle (KERNEL32.@)
817 BOOL WINAPI GetFileInformationByHandle( HANDLE hFile, BY_HANDLE_FILE_INFORMATION *info )
819 FILE_ALL_INFORMATION all_info;
820 IO_STATUS_BLOCK io;
821 NTSTATUS status;
823 status = NtQueryInformationFile( hFile, &io, &all_info, sizeof(all_info), FileAllInformation );
824 if (status == STATUS_SUCCESS)
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;
841 SetLastError( RtlNtStatusToDosError(status) );
842 return FALSE;
846 /***********************************************************************
847 * GetFileSize (KERNEL32.@)
849 * Retrieve the size of a file.
851 * PARAMS
852 * hFile [I] File to retrieve size of.
853 * filesizehigh [O] On return, the high bits of the file size.
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.
860 DWORD WINAPI GetFileSize( HANDLE hFile, LPDWORD filesizehigh )
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;
870 /***********************************************************************
871 * GetFileSizeEx (KERNEL32.@)
873 * Retrieve the size of a file.
875 * PARAMS
876 * hFile [I] File to retrieve size of.
877 * lpFileSIze [O] On return, the size of the file.
879 * RETURNS
880 * Success: TRUE.
881 * Failure: FALSE, check GetLastError().
883 BOOL WINAPI GetFileSizeEx( HANDLE hFile, PLARGE_INTEGER lpFileSize )
885 FILE_STANDARD_INFORMATION info;
886 IO_STATUS_BLOCK io;
887 NTSTATUS status;
889 status = NtQueryInformationFile( hFile, &io, &info, sizeof(info), FileStandardInformation );
890 if (status == STATUS_SUCCESS)
892 *lpFileSize = info.EndOfFile;
893 return TRUE;
895 SetLastError( RtlNtStatusToDosError(status) );
896 return FALSE;
900 /**************************************************************************
901 * SetEndOfFile (KERNEL32.@)
903 * Sets the current position as the end of the file.
905 * PARAMS
906 * hFile [I] File handle.
908 * RETURNS
909 * Success: TRUE.
910 * Failure: FALSE, check GetLastError().
912 BOOL WINAPI SetEndOfFile( HANDLE hFile )
914 FILE_POSITION_INFORMATION pos;
915 FILE_END_OF_FILE_INFORMATION eof;
916 IO_STATUS_BLOCK io;
917 NTSTATUS status;
919 status = NtQueryInformationFile( hFile, &io, &pos, sizeof(pos), FilePositionInformation );
920 if (status == STATUS_SUCCESS)
922 eof.EndOfFile = pos.CurrentByteOffset;
923 status = NtSetInformationFile( hFile, &io, &eof, sizeof(eof), FileEndOfFileInformation );
925 if (status == STATUS_SUCCESS) return TRUE;
926 SetLastError( RtlNtStatusToDosError(status) );
927 return FALSE;
931 /***********************************************************************
932 * SetFilePointer (KERNEL32.@)
934 DWORD WINAPI SetFilePointer( HANDLE hFile, LONG distance, LONG *highword, DWORD method )
936 LARGE_INTEGER dist, newpos;
938 if (highword)
940 dist.u.LowPart = distance;
941 dist.u.HighPart = *highword;
943 else dist.QuadPart = distance;
945 if (!SetFilePointerEx( hFile, dist, &newpos, method )) return INVALID_SET_FILE_POINTER;
947 if (highword) *highword = newpos.u.HighPart;
948 if (newpos.u.LowPart == INVALID_SET_FILE_POINTER) SetLastError( 0 );
949 return newpos.u.LowPart;
953 /***********************************************************************
954 * SetFilePointerEx (KERNEL32.@)
956 BOOL WINAPI SetFilePointerEx( HANDLE hFile, LARGE_INTEGER distance,
957 LARGE_INTEGER *newpos, DWORD method )
959 LONGLONG pos;
960 IO_STATUS_BLOCK io;
961 FILE_POSITION_INFORMATION info;
963 switch(method)
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:
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;
980 break;
981 default:
982 SetLastError( ERROR_INVALID_PARAMETER );
983 return FALSE;
986 if (pos < 0)
988 SetLastError( ERROR_NEGATIVE_SEEK );
989 return FALSE;
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;
998 error:
999 SetLastError( RtlNtStatusToDosError(io.u.Status) );
1000 return FALSE;
1003 /***********************************************************************
1004 * GetFileTime (KERNEL32.@)
1006 BOOL WINAPI GetFileTime( HANDLE hFile, FILETIME *lpCreationTime,
1007 FILETIME *lpLastAccessTime, FILETIME *lpLastWriteTime )
1009 FILE_BASIC_INFORMATION info;
1010 IO_STATUS_BLOCK io;
1011 NTSTATUS status;
1013 status = NtQueryInformationFile( hFile, &io, &info, sizeof(info), FileBasicInformation );
1014 if (status == STATUS_SUCCESS)
1016 if (lpCreationTime)
1018 lpCreationTime->dwHighDateTime = info.CreationTime.u.HighPart;
1019 lpCreationTime->dwLowDateTime = info.CreationTime.u.LowPart;
1021 if (lpLastAccessTime)
1023 lpLastAccessTime->dwHighDateTime = info.LastAccessTime.u.HighPart;
1024 lpLastAccessTime->dwLowDateTime = info.LastAccessTime.u.LowPart;
1026 if (lpLastWriteTime)
1028 lpLastWriteTime->dwHighDateTime = info.LastWriteTime.u.HighPart;
1029 lpLastWriteTime->dwLowDateTime = info.LastWriteTime.u.LowPart;
1031 return TRUE;
1033 SetLastError( RtlNtStatusToDosError(status) );
1034 return FALSE;
1038 /***********************************************************************
1039 * SetFileTime (KERNEL32.@)
1041 BOOL WINAPI SetFileTime( HANDLE hFile, const FILETIME *ctime,
1042 const FILETIME *atime, const FILETIME *mtime )
1044 FILE_BASIC_INFORMATION info;
1045 IO_STATUS_BLOCK io;
1046 NTSTATUS status;
1048 memset( &info, 0, sizeof(info) );
1049 if (ctime)
1051 info.CreationTime.u.HighPart = ctime->dwHighDateTime;
1052 info.CreationTime.u.LowPart = ctime->dwLowDateTime;
1054 if (atime)
1056 info.LastAccessTime.u.HighPart = atime->dwHighDateTime;
1057 info.LastAccessTime.u.LowPart = atime->dwLowDateTime;
1059 if (mtime)
1061 info.LastWriteTime.u.HighPart = mtime->dwHighDateTime;
1062 info.LastWriteTime.u.LowPart = mtime->dwLowDateTime;
1065 status = NtSetInformationFile( hFile, &io, &info, sizeof(info), FileBasicInformation );
1066 if (status == STATUS_SUCCESS) return TRUE;
1067 SetLastError( RtlNtStatusToDosError(status) );
1068 return FALSE;
1072 /**************************************************************************
1073 * LockFile (KERNEL32.@)
1075 BOOL WINAPI LockFile( HANDLE hFile, DWORD offset_low, DWORD offset_high,
1076 DWORD count_low, DWORD count_high )
1078 NTSTATUS status;
1079 LARGE_INTEGER count, offset;
1081 TRACE( "%p %x%08x %x%08x\n",
1082 hFile, offset_high, offset_low, count_high, count_low );
1084 count.u.LowPart = count_low;
1085 count.u.HighPart = count_high;
1086 offset.u.LowPart = offset_low;
1087 offset.u.HighPart = offset_high;
1089 status = NtLockFile( hFile, 0, NULL, NULL,
1090 NULL, &offset, &count, NULL, TRUE, TRUE );
1092 if (status != STATUS_SUCCESS) SetLastError( RtlNtStatusToDosError(status) );
1093 return !status;
1097 /**************************************************************************
1098 * LockFileEx [KERNEL32.@]
1100 * Locks a byte range within an open file for shared or exclusive access.
1102 * RETURNS
1103 * success: TRUE
1104 * failure: FALSE
1106 * NOTES
1107 * Per Microsoft docs, the third parameter (reserved) must be set to 0.
1109 BOOL WINAPI LockFileEx( HANDLE hFile, DWORD flags, DWORD reserved,
1110 DWORD count_low, DWORD count_high, LPOVERLAPPED overlapped )
1112 NTSTATUS status;
1113 LARGE_INTEGER count, offset;
1114 LPVOID cvalue = NULL;
1116 if (reserved)
1118 SetLastError( ERROR_INVALID_PARAMETER );
1119 return FALSE;
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 );
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;
1131 if (((ULONG_PTR)overlapped->hEvent & 1) == 0) cvalue = overlapped;
1133 status = NtLockFile( hFile, overlapped->hEvent, NULL, cvalue,
1134 NULL, &offset, &count, NULL,
1135 flags & LOCKFILE_FAIL_IMMEDIATELY,
1136 flags & LOCKFILE_EXCLUSIVE_LOCK );
1138 if (status) SetLastError( RtlNtStatusToDosError(status) );
1139 return !status;
1143 /**************************************************************************
1144 * UnlockFile (KERNEL32.@)
1146 BOOL WINAPI UnlockFile( HANDLE hFile, DWORD offset_low, DWORD offset_high,
1147 DWORD count_low, DWORD count_high )
1149 NTSTATUS status;
1150 LARGE_INTEGER count, offset;
1152 count.u.LowPart = count_low;
1153 count.u.HighPart = count_high;
1154 offset.u.LowPart = offset_low;
1155 offset.u.HighPart = offset_high;
1157 status = NtUnlockFile( hFile, NULL, &offset, &count, NULL);
1158 if (status) SetLastError( RtlNtStatusToDosError(status) );
1159 return !status;
1163 /**************************************************************************
1164 * UnlockFileEx (KERNEL32.@)
1166 BOOL WINAPI UnlockFileEx( HANDLE hFile, DWORD reserved, DWORD count_low, DWORD count_high,
1167 LPOVERLAPPED overlapped )
1169 if (reserved)
1171 SetLastError( ERROR_INVALID_PARAMETER );
1172 return FALSE;
1174 if (overlapped->hEvent) FIXME("Unimplemented overlapped operation\n");
1176 return UnlockFile( hFile, overlapped->u.s.Offset, overlapped->u.s.OffsetHigh, count_low, count_high );
1180 /*************************************************************************
1181 * SetHandleCount (KERNEL32.@)
1183 UINT WINAPI SetHandleCount( UINT count )
1185 return min( 256, count );
1189 /**************************************************************************
1190 * Operations on file names *
1191 **************************************************************************/
1194 /*************************************************************************
1195 * CreateFileW [KERNEL32.@] Creates or opens a file or other object
1197 * Creates or opens an object, and returns a handle that can be used to
1198 * access that object.
1200 * PARAMS
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
1210 * RETURNS
1211 * Success: Open handle to specified file
1212 * Failure: INVALID_HANDLE_VALUE
1214 HANDLE WINAPI CreateFileW( LPCWSTR filename, DWORD access, DWORD sharing,
1215 LPSECURITY_ATTRIBUTES sa, DWORD creation,
1216 DWORD attributes, HANDLE template )
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;
1231 static const UINT nt_disposition[5] =
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 */
1241 /* sanity checks */
1243 if (!filename || !filename[0])
1245 SetLastError( ERROR_PATH_NOT_FOUND );
1246 return INVALID_HANDLE_VALUE;
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);
1258 /* Open a console for CONIN$ or CONOUT$ */
1260 if (!strcmpiW(filename, coninW) || !strcmpiW(filename, conoutW))
1262 ret = OpenConsoleW(filename, access, (sa && sa->bInheritHandle), creation);
1263 goto done;
1266 if (!strncmpW(filename, bkslashes_with_dotW, 4))
1268 static const WCHAR pipeW[] = {'P','I','P','E','\\',0};
1269 static const WCHAR mailslotW[] = {'M','A','I','L','S','L','O','T','\\',0};
1271 if ((isalphaW(filename[4]) && filename[5] == ':' && filename[6] == '\0') ||
1272 !strncmpiW( filename + 4, pipeW, 5 ) ||
1273 !strncmpiW( filename + 4, mailslotW, 9 ))
1275 dosdev = 0;
1277 else if ((dosdev = RtlIsDosDeviceName_U( filename + 4 )))
1279 dosdev += MAKELONG( 0, 4*sizeof(WCHAR) ); /* adjust position to start of filename */
1281 else if (GetVersion() & 0x80000000)
1283 vxd_name = filename + 4;
1286 else dosdev = RtlIsDosDeviceName_U( filename );
1288 if (dosdev)
1290 static const WCHAR conW[] = {'C','O','N'};
1292 if (LOWORD(dosdev) == sizeof(conW) &&
1293 !memicmpW( filename + HIWORD(dosdev)/sizeof(WCHAR), conW, sizeof(conW)/sizeof(WCHAR)))
1295 switch (access & (GENERIC_READ|GENERIC_WRITE))
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;
1310 if (creation < CREATE_NEW || creation > TRUNCATE_EXISTING)
1312 SetLastError( ERROR_INVALID_PARAMETER );
1313 return INVALID_HANDLE_VALUE;
1316 if (!RtlDosPathNameToNtPathName_U( filename, &nameW, NULL, NULL ))
1318 SetLastError( ERROR_PATH_NOT_FOUND );
1319 return INVALID_HANDLE_VALUE;
1322 /* now call NtCreateFile */
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)
1331 options |= FILE_DELETE_ON_CLOSE;
1332 access |= DELETE;
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;
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)
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;
1355 else
1356 attr.SecurityQualityOfService = NULL;
1358 if (sa && sa->bInheritHandle) attr.Attributes |= OBJ_INHERIT;
1360 status = NtCreateFile( &ret, access, &attr, &io, NULL, attributes,
1361 sharing, nt_disposition[creation - CREATE_NEW],
1362 options, NULL, 0 );
1363 if (status)
1365 if (vxd_name && vxd_name[0] && (ret = VXD_Open( vxd_name, access, sa ))) goto done;
1367 WARN("Unable to create file %s (status %x)\n", debugstr_w(filename), status);
1368 ret = INVALID_HANDLE_VALUE;
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.
1375 if (status == STATUS_OBJECT_NAME_COLLISION)
1376 SetLastError( ERROR_FILE_EXISTS );
1377 else
1378 SetLastError( RtlNtStatusToDosError(status) );
1380 else
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 );
1388 RtlFreeUnicodeString( &nameW );
1390 done:
1391 if (!ret) ret = INVALID_HANDLE_VALUE;
1392 TRACE("returning %p\n", ret);
1393 return ret;
1398 /*************************************************************************
1399 * CreateFileA (KERNEL32.@)
1401 * See CreateFileW.
1403 HANDLE WINAPI CreateFileA( LPCSTR filename, DWORD access, DWORD sharing,
1404 LPSECURITY_ATTRIBUTES sa, DWORD creation,
1405 DWORD attributes, HANDLE template)
1407 WCHAR *nameW;
1409 if (!(nameW = FILE_name_AtoW( filename, FALSE ))) return INVALID_HANDLE_VALUE;
1410 return CreateFileW( nameW, access, sharing, sa, creation, attributes, template );
1414 /***********************************************************************
1415 * DeleteFileW (KERNEL32.@)
1417 * Delete a file.
1419 * PARAMS
1420 * path [I] Path to the file to delete.
1422 * RETURNS
1423 * Success: TRUE.
1424 * Failure: FALSE, check GetLastError().
1426 BOOL WINAPI DeleteFileW( LPCWSTR path )
1428 UNICODE_STRING nameW;
1429 OBJECT_ATTRIBUTES attr;
1430 NTSTATUS status;
1431 HANDLE hFile;
1432 IO_STATUS_BLOCK io;
1434 TRACE("%s\n", debugstr_w(path) );
1436 if (!RtlDosPathNameToNtPathName_U( path, &nameW, NULL, NULL ))
1438 SetLastError( ERROR_PATH_NOT_FOUND );
1439 return FALSE;
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;
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);
1455 RtlFreeUnicodeString( &nameW );
1456 if (status)
1458 SetLastError( RtlNtStatusToDosError(status) );
1459 return FALSE;
1461 return TRUE;
1465 /***********************************************************************
1466 * DeleteFileA (KERNEL32.@)
1468 * See DeleteFileW.
1470 BOOL WINAPI DeleteFileA( LPCSTR path )
1472 WCHAR *pathW;
1474 if (!(pathW = FILE_name_AtoW( path, FALSE ))) return FALSE;
1475 return DeleteFileW( pathW );
1479 /**************************************************************************
1480 * ReplaceFileW (KERNEL32.@)
1481 * ReplaceFile (KERNEL32.@)
1483 BOOL WINAPI ReplaceFileW(LPCWSTR lpReplacedFileName, LPCWSTR lpReplacementFileName,
1484 LPCWSTR lpBackupFileName, DWORD dwReplaceFlags,
1485 LPVOID lpExclude, LPVOID lpReserved)
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;
1497 if (dwReplaceFlags)
1498 FIXME("Ignoring flags %x\n", dwReplaceFlags);
1500 /* First two arguments are mandatory */
1501 if (!lpReplacedFileName || !lpReplacementFileName)
1503 SetLastError(ERROR_INVALID_PARAMETER);
1504 return FALSE;
1507 unix_replaced_name.Buffer = NULL;
1508 unix_replacement_name.Buffer = NULL;
1509 unix_backup_name.Buffer = NULL;
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;
1518 /* Open the "replaced" file for reading and writing */
1519 if (!(RtlDosPathNameToNtPathName_U(lpReplacedFileName, &nt_replaced_name, NULL, NULL)))
1521 error = ERROR_PATH_NOT_FOUND;
1522 goto fail;
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)
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;
1543 * Open the replacement file for reading, writing, and deleting
1544 * (writing and deleting are needed when finished)
1546 if (!(RtlDosPathNameToNtPathName_U(lpReplacementFileName, &nt_replacement_name, NULL, NULL)))
1548 error = ERROR_PATH_NOT_FOUND;
1549 goto fail;
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)
1561 error = RtlNtStatusToDosError(status);
1562 goto fail;
1565 /* If the user wants a backup then that needs to be performed first */
1566 if (lpBackupFileName)
1568 UNICODE_STRING nt_backup_name;
1569 FILE_BASIC_INFORMATION replaced_info;
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)
1577 error = RtlNtStatusToDosError(status);
1578 goto fail;
1581 if (!(RtlDosPathNameToNtPathName_U(lpBackupFileName, &nt_backup_name, NULL, NULL)))
1583 error = ERROR_PATH_NOT_FOUND;
1584 goto fail;
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)
1597 error = RtlNtStatusToDosError(status);
1598 goto fail;
1601 /* If an existing backup exists then copy over it */
1602 if (rename(unix_replaced_name.Buffer, unix_backup_name.Buffer) == -1)
1604 error = ERROR_UNABLE_TO_REMOVE_REPLACED; /* is this correct? */
1605 goto fail;
1610 * Now that the backup has been performed (if requested), copy the replacement
1611 * into place
1613 if (rename(unix_replacement_name.Buffer, unix_replaced_name.Buffer) == -1)
1615 if (errno == EACCES)
1617 /* Inappropriate permissions on "replaced", rename will fail */
1618 error = ERROR_UNABLE_TO_REMOVE_REPLACED;
1619 goto fail;
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;
1628 /* Success! */
1629 ret = TRUE;
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);
1640 /* If there was an error, set the error code */
1641 if(!ret)
1642 SetLastError(error);
1643 return ret;
1647 /**************************************************************************
1648 * ReplaceFileA (KERNEL32.@)
1650 BOOL WINAPI ReplaceFileA(LPCSTR lpReplacedFileName,LPCSTR lpReplacementFileName,
1651 LPCSTR lpBackupFileName, DWORD dwReplaceFlags,
1652 LPVOID lpExclude, LPVOID lpReserved)
1654 WCHAR *replacedW, *replacementW, *backupW = NULL;
1655 BOOL ret;
1657 /* This function only makes sense when the first two parameters are defined */
1658 if (!lpReplacedFileName || !(replacedW = FILE_name_AtoW( lpReplacedFileName, TRUE )))
1660 SetLastError(ERROR_INVALID_PARAMETER);
1661 return FALSE;
1663 if (!lpReplacementFileName || !(replacementW = FILE_name_AtoW( lpReplacementFileName, TRUE )))
1665 HeapFree( GetProcessHeap(), 0, replacedW );
1666 SetLastError(ERROR_INVALID_PARAMETER);
1667 return FALSE;
1669 /* The backup parameter, however, is optional */
1670 if (lpBackupFileName)
1672 if (!(backupW = FILE_name_AtoW( lpBackupFileName, TRUE )))
1674 HeapFree( GetProcessHeap(), 0, replacedW );
1675 HeapFree( GetProcessHeap(), 0, replacementW );
1676 SetLastError(ERROR_INVALID_PARAMETER);
1677 return FALSE;
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;
1688 /*************************************************************************
1689 * FindFirstFileExW (KERNEL32.@)
1691 * NOTE: The FindExSearchLimitToDirectories is ignored - it gives the same
1692 * results as FindExSearchNameMatch
1694 HANDLE WINAPI FindFirstFileExW( LPCWSTR filename, FINDEX_INFO_LEVELS level,
1695 LPVOID data, FINDEX_SEARCH_OPS search_op,
1696 LPVOID filter, DWORD flags)
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;
1706 TRACE("%s %d %p %d %p %x\n", debugstr_w(filename), level, data, search_op, filter, flags);
1708 if ((search_op != FindExSearchNameMatch && search_op != FindExSearchLimitToDirectories)
1709 || flags != 0)
1711 FIXME("options not implemented 0x%08x 0x%08x\n", search_op, flags );
1712 return INVALID_HANDLE_VALUE;
1714 if (level != FindExInfoStandard)
1716 FIXME("info level %d not implemented\n", level );
1717 return INVALID_HANDLE_VALUE;
1720 if (!RtlDosPathNameToNtPathName_U( filename, &nt_name, &mask, NULL ))
1722 SetLastError( ERROR_PATH_NOT_FOUND );
1723 return INVALID_HANDLE_VALUE;
1726 if (!(info = HeapAlloc( GetProcessHeap(), 0, sizeof(*info))))
1728 SetLastError( ERROR_NOT_ENOUGH_MEMORY );
1729 goto error;
1732 if (!mask && (device = RtlIsDosDeviceName_U( filename )))
1734 static const WCHAR dotW[] = {'.',0};
1735 WCHAR *dir = NULL;
1737 /* we still need to check that the directory can be opened */
1739 if (HIWORD(device))
1741 if (!(dir = HeapAlloc( GetProcessHeap(), 0, HIWORD(device) + sizeof(WCHAR) )))
1743 SetLastError( ERROR_NOT_ENOUGH_MEMORY );
1744 goto error;
1746 memcpy( dir, filename, HIWORD(device) );
1747 dir[HIWORD(device)/sizeof(WCHAR)] = 0;
1749 RtlFreeUnicodeString( &nt_name );
1750 if (!RtlDosPathNameToNtPathName_U( dir ? dir : dotW, &nt_name, &mask, NULL ))
1752 HeapFree( GetProcessHeap(), 0, dir );
1753 SetLastError( ERROR_PATH_NOT_FOUND );
1754 goto error;
1756 HeapFree( GetProcessHeap(), 0, dir );
1757 RtlInitUnicodeString( &info->mask, NULL );
1759 else if (!mask || !*mask)
1761 SetLastError( ERROR_FILE_NOT_FOUND );
1762 goto error;
1764 else
1766 if (!RtlCreateUnicodeString( &info->mask, mask ))
1768 SetLastError( ERROR_NOT_ENOUGH_MEMORY );
1769 goto error;
1772 /* truncate dir name before mask */
1773 *mask = 0;
1774 nt_name.Length = (mask - nt_name.Buffer) * sizeof(WCHAR);
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] == ':')
1782 p += 2;
1783 while (*p == '\\') p++;
1784 info->is_root = (*p == 0);
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;
1794 status = NtOpenFile( &info->handle, GENERIC_READ, &attr, &io,
1795 FILE_SHARE_READ | FILE_SHARE_WRITE,
1796 FILE_DIRECTORY_FILE | FILE_SYNCHRONOUS_IO_NONALERT );
1798 if (status != STATUS_SUCCESS)
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;
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;
1816 if (device)
1818 WIN32_FIND_DATAW *wfd = data;
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;
1826 else
1828 IO_STATUS_BLOCK io;
1830 NtQueryDirectoryFile( info->handle, 0, NULL, NULL, &io, info->data, sizeof(info->data),
1831 FileBothDirectoryInformation, FALSE, &info->mask, TRUE );
1832 if (io.u.Status)
1834 FindClose( info );
1835 SetLastError( RtlNtStatusToDosError( io.u.Status ) );
1836 return INVALID_HANDLE_VALUE;
1838 info->data_len = io.Information;
1839 if (!FindNextFileW( info, data ))
1841 TRACE( "%s not found\n", debugstr_w(filename) );
1842 FindClose( info );
1843 SetLastError( ERROR_FILE_NOT_FOUND );
1844 return INVALID_HANDLE_VALUE;
1846 if (!strpbrkW( info->mask.Buffer, wildcardsW ))
1848 /* we can't find two files with the same name */
1849 CloseHandle( info->handle );
1850 info->handle = 0;
1853 return info;
1855 error:
1856 HeapFree( GetProcessHeap(), 0, info );
1857 RtlFreeUnicodeString( &nt_name );
1858 return INVALID_HANDLE_VALUE;
1862 /*************************************************************************
1863 * FindNextFileW (KERNEL32.@)
1865 BOOL WINAPI FindNextFileW( HANDLE handle, WIN32_FIND_DATAW *data )
1867 FIND_FIRST_INFO *info;
1868 FILE_BOTH_DIR_INFORMATION *dir_info;
1869 BOOL ret = FALSE;
1871 TRACE("%p %p\n", handle, data);
1873 if (!handle || handle == INVALID_HANDLE_VALUE)
1875 SetLastError( ERROR_INVALID_HANDLE );
1876 return ret;
1878 info = handle;
1879 if (info->magic != FIND_FIRST_MAGIC)
1881 SetLastError( ERROR_INVALID_HANDLE );
1882 return ret;
1885 RtlEnterCriticalSection( &info->cs );
1887 if (!info->handle) SetLastError( ERROR_NO_MORE_FILES );
1888 else for (;;)
1890 if (info->data_pos >= info->data_len) /* need to read some more data */
1892 IO_STATUS_BLOCK io;
1894 NtQueryDirectoryFile( info->handle, 0, NULL, NULL, &io, info->data, sizeof(info->data),
1895 FileBothDirectoryInformation, FALSE, &info->mask, FALSE );
1896 if (io.u.Status)
1898 SetLastError( RtlNtStatusToDosError( io.u.Status ) );
1899 if (io.u.Status == STATUS_NO_MORE_FILES)
1901 CloseHandle( info->handle );
1902 info->handle = 0;
1904 break;
1906 info->data_len = io.Information;
1907 info->data_pos = 0;
1910 dir_info = (FILE_BOTH_DIR_INFORMATION *)(info->data + info->data_pos);
1912 if (dir_info->NextEntryOffset) info->data_pos += dir_info->NextEntryOffset;
1913 else info->data_pos = info->data_len;
1915 /* don't return '.' and '..' in the root of the drive */
1916 if (info->is_root)
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;
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 ))
1928 if (!check_dir_symlink( info, dir_info )) continue;
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;
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;
1945 TRACE("returning %s (%s)\n",
1946 debugstr_w(data->cFileName), debugstr_w(data->cAlternateFileName) );
1948 ret = TRUE;
1949 break;
1952 RtlLeaveCriticalSection( &info->cs );
1953 return ret;
1957 /*************************************************************************
1958 * FindClose (KERNEL32.@)
1960 BOOL WINAPI FindClose( HANDLE handle )
1962 FIND_FIRST_INFO *info = handle;
1964 if (!handle || handle == INVALID_HANDLE_VALUE)
1966 SetLastError( ERROR_INVALID_HANDLE );
1967 return FALSE;
1970 __TRY
1972 if (info->magic == FIND_FIRST_MAGIC)
1974 RtlEnterCriticalSection( &info->cs );
1975 if (info->magic == FIND_FIRST_MAGIC) /* in case someone else freed it in the meantime */
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 );
1992 __EXCEPT_PAGE_FAULT
1994 WARN("Illegal handle %p\n", handle);
1995 SetLastError( ERROR_INVALID_HANDLE );
1996 return FALSE;
1998 __ENDTRY
2000 return TRUE;
2004 /*************************************************************************
2005 * FindFirstFileA (KERNEL32.@)
2007 HANDLE WINAPI FindFirstFileA( LPCSTR lpFileName, WIN32_FIND_DATAA *lpFindData )
2009 return FindFirstFileExA(lpFileName, FindExInfoStandard, lpFindData,
2010 FindExSearchNameMatch, NULL, 0);
2013 /*************************************************************************
2014 * FindFirstFileExA (KERNEL32.@)
2016 HANDLE WINAPI FindFirstFileExA( LPCSTR lpFileName, FINDEX_INFO_LEVELS fInfoLevelId,
2017 LPVOID lpFindFileData, FINDEX_SEARCH_OPS fSearchOp,
2018 LPVOID lpSearchFilter, DWORD dwAdditionalFlags)
2020 HANDLE handle;
2021 WIN32_FIND_DATAA *dataA;
2022 WIN32_FIND_DATAW dataW;
2023 WCHAR *nameW;
2025 if (!(nameW = FILE_name_AtoW( lpFileName, FALSE ))) return INVALID_HANDLE_VALUE;
2027 handle = FindFirstFileExW(nameW, fInfoLevelId, &dataW, fSearchOp, lpSearchFilter, dwAdditionalFlags);
2028 if (handle == INVALID_HANDLE_VALUE) return handle;
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;
2044 /*************************************************************************
2045 * FindFirstFileW (KERNEL32.@)
2047 HANDLE WINAPI FindFirstFileW( LPCWSTR lpFileName, WIN32_FIND_DATAW *lpFindData )
2049 return FindFirstFileExW(lpFileName, FindExInfoStandard, lpFindData,
2050 FindExSearchNameMatch, NULL, 0);
2054 /*************************************************************************
2055 * FindNextFileA (KERNEL32.@)
2057 BOOL WINAPI FindNextFileA( HANDLE handle, WIN32_FIND_DATAA *data )
2059 WIN32_FIND_DATAW dataW;
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;
2075 /**************************************************************************
2076 * GetFileAttributesW (KERNEL32.@)
2078 DWORD WINAPI GetFileAttributesW( LPCWSTR name )
2080 FILE_BASIC_INFORMATION info;
2081 UNICODE_STRING nt_name;
2082 OBJECT_ATTRIBUTES attr;
2083 NTSTATUS status;
2085 TRACE("%s\n", debugstr_w(name));
2087 if (!RtlDosPathNameToNtPathName_U( name, &nt_name, NULL, NULL ))
2089 SetLastError( ERROR_PATH_NOT_FOUND );
2090 return INVALID_FILE_ATTRIBUTES;
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;
2100 status = NtQueryAttributesFile( &attr, &info );
2101 RtlFreeUnicodeString( &nt_name );
2103 if (status == STATUS_SUCCESS) return info.FileAttributes;
2105 /* NtQueryAttributesFile fails on devices, but GetFileAttributesW succeeds */
2106 if (RtlIsDosDeviceName_U( name )) return FILE_ATTRIBUTE_ARCHIVE;
2108 SetLastError( RtlNtStatusToDosError(status) );
2109 return INVALID_FILE_ATTRIBUTES;
2113 /**************************************************************************
2114 * GetFileAttributesA (KERNEL32.@)
2116 DWORD WINAPI GetFileAttributesA( LPCSTR name )
2118 WCHAR *nameW;
2120 if (!(nameW = FILE_name_AtoW( name, FALSE ))) return INVALID_FILE_ATTRIBUTES;
2121 return GetFileAttributesW( nameW );
2125 /**************************************************************************
2126 * SetFileAttributesW (KERNEL32.@)
2128 BOOL WINAPI SetFileAttributesW( LPCWSTR name, DWORD attributes )
2130 UNICODE_STRING nt_name;
2131 OBJECT_ATTRIBUTES attr;
2132 IO_STATUS_BLOCK io;
2133 NTSTATUS status;
2134 HANDLE handle;
2136 TRACE("%s %x\n", debugstr_w(name), attributes);
2138 if (!RtlDosPathNameToNtPathName_U( name, &nt_name, NULL, NULL ))
2140 SetLastError( ERROR_PATH_NOT_FOUND );
2141 return FALSE;
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;
2151 status = NtOpenFile( &handle, 0, &attr, &io, 0, FILE_SYNCHRONOUS_IO_NONALERT );
2152 RtlFreeUnicodeString( &nt_name );
2154 if (status == STATUS_SUCCESS)
2156 FILE_BASIC_INFORMATION info;
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 );
2164 if (status == STATUS_SUCCESS) return TRUE;
2165 SetLastError( RtlNtStatusToDosError(status) );
2166 return FALSE;
2170 /**************************************************************************
2171 * SetFileAttributesA (KERNEL32.@)
2173 BOOL WINAPI SetFileAttributesA( LPCSTR name, DWORD attributes )
2175 WCHAR *nameW;
2177 if (!(nameW = FILE_name_AtoW( name, FALSE ))) return FALSE;
2178 return SetFileAttributesW( nameW, attributes );
2182 /**************************************************************************
2183 * GetFileAttributesExW (KERNEL32.@)
2185 BOOL WINAPI GetFileAttributesExW( LPCWSTR name, GET_FILEEX_INFO_LEVELS level, LPVOID ptr )
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;
2193 TRACE("%s %d %p\n", debugstr_w(name), level, ptr);
2195 if (level != GetFileExInfoStandard)
2197 SetLastError( ERROR_INVALID_PARAMETER );
2198 return FALSE;
2201 if (!RtlDosPathNameToNtPathName_U( name, &nt_name, NULL, NULL ))
2203 SetLastError( ERROR_PATH_NOT_FOUND );
2204 return FALSE;
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;
2214 status = NtQueryFullAttributesFile( &attr, &info );
2215 RtlFreeUnicodeString( &nt_name );
2217 if (status != STATUS_SUCCESS)
2219 SetLastError( RtlNtStatusToDosError(status) );
2220 return FALSE;
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;
2236 /**************************************************************************
2237 * GetFileAttributesExA (KERNEL32.@)
2239 BOOL WINAPI GetFileAttributesExA( LPCSTR name, GET_FILEEX_INFO_LEVELS level, LPVOID ptr )
2241 WCHAR *nameW;
2243 if (!(nameW = FILE_name_AtoW( name, FALSE ))) return FALSE;
2244 return GetFileAttributesExW( nameW, level, ptr );
2248 /******************************************************************************
2249 * GetCompressedFileSizeW (KERNEL32.@)
2251 * Get the actual number of bytes used on disk.
2253 * RETURNS
2254 * Success: Low-order doubleword of number of bytes
2255 * Failure: INVALID_FILE_SIZE
2257 DWORD WINAPI GetCompressedFileSizeW(
2258 LPCWSTR name, /* [in] Pointer to name of file */
2259 LPDWORD size_high ) /* [out] Receives high-order doubleword of size */
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;
2268 TRACE("%s %p\n", debugstr_w(name), size_high);
2270 if (!RtlDosPathNameToNtPathName_U( name, &nt_name, NULL, NULL ))
2272 SetLastError( ERROR_PATH_NOT_FOUND );
2273 return INVALID_FILE_SIZE;
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;
2283 status = NtOpenFile( &handle, 0, &attr, &io, 0, FILE_SYNCHRONOUS_IO_NONALERT );
2284 RtlFreeUnicodeString( &nt_name );
2286 if (status == STATUS_SUCCESS)
2288 /* we don't support compressed files, simply return the file size */
2289 ret = GetFileSize( handle, size_high );
2290 NtClose( handle );
2292 else SetLastError( RtlNtStatusToDosError(status) );
2294 return ret;
2298 /******************************************************************************
2299 * GetCompressedFileSizeA (KERNEL32.@)
2301 * See GetCompressedFileSizeW.
2303 DWORD WINAPI GetCompressedFileSizeA( LPCSTR name, LPDWORD size_high )
2305 WCHAR *nameW;
2307 if (!(nameW = FILE_name_AtoW( name, FALSE ))) return INVALID_FILE_SIZE;
2308 return GetCompressedFileSizeW( nameW, size_high );
2312 /***********************************************************************
2313 * OpenVxDHandle (KERNEL32.@)
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...
2320 HANDLE WINAPI OpenVxDHandle(HANDLE hHandleRing3)
2322 FIXME( "(%p), stub! (returning Ring 3 handle instead of Ring 0)\n", hHandleRing3);
2323 return hHandleRing3;
2327 /****************************************************************************
2328 * DeviceIoControl (KERNEL32.@)
2330 BOOL WINAPI DeviceIoControl(HANDLE hDevice, DWORD dwIoControlCode,
2331 LPVOID lpvInBuffer, DWORD cbInBuffer,
2332 LPVOID lpvOutBuffer, DWORD cbOutBuffer,
2333 LPDWORD lpcbBytesReturned,
2334 LPOVERLAPPED lpOverlapped)
2336 NTSTATUS status;
2338 TRACE( "(%p,%x,%p,%d,%p,%d,%p,%p)\n",
2339 hDevice,dwIoControlCode,lpvInBuffer,cbInBuffer,
2340 lpvOutBuffer,cbOutBuffer,lpcbBytesReturned,lpOverlapped );
2342 /* Check if this is a user defined control code for a VxD */
2344 if (HIWORD( dwIoControlCode ) == 0 && (GetVersion() & 0x80000000))
2346 DeviceIoProc proc = VXD_get_proc( hDevice );
2347 if (proc) return proc( dwIoControlCode, lpvInBuffer, cbInBuffer,
2348 lpvOutBuffer, cbOutBuffer, lpcbBytesReturned, lpOverlapped );
2351 /* Not a VxD, let ntdll handle it */
2353 if (lpOverlapped)
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;
2370 else
2372 IO_STATUS_BLOCK iosb;
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;
2384 if (status) SetLastError( RtlNtStatusToDosError(status) );
2385 return !status;
2389 /***********************************************************************
2390 * OpenFile (KERNEL32.@)
2392 HFILE WINAPI OpenFile( LPCSTR name, OFSTRUCT *ofs, UINT mode )
2394 HANDLE handle;
2395 FILETIME filetime;
2396 WORD filedatetime[2];
2398 if (!ofs) return HFILE_ERROR;
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 ":""
2421 ofs->cBytes = sizeof(OFSTRUCT);
2422 ofs->nErrCode = 0;
2423 if (mode & OF_REOPEN) name = ofs->szPathName;
2425 if (!name) return HFILE_ERROR;
2427 TRACE("%s %04x\n", name, mode );
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;
2434 /* OF_PARSE simply fills the structure */
2436 if (mode & OF_PARSE)
2438 ofs->fFixedDisk = (GetDriveTypeA( ofs->szPathName ) != DRIVE_REMOVABLE);
2439 TRACE("(%s): OF_PARSE, res = '%s'\n", name, ofs->szPathName );
2440 return 0;
2443 /* OF_CREATE is completely different from all other options, so
2444 handle it first */
2446 if (mode & OF_CREATE)
2448 if ((handle = create_file_OF( name, mode )) == INVALID_HANDLE_VALUE)
2449 goto error;
2451 else
2453 /* Now look for the file */
2455 if (!SearchPathA( NULL, name, NULL, sizeof(ofs->szPathName), ofs->szPathName, NULL ))
2456 goto error;
2458 TRACE("found %s\n", debugstr_a(ofs->szPathName) );
2460 if (mode & OF_DELETE)
2462 if (!DeleteFileA( ofs->szPathName )) goto error;
2463 TRACE("(%s): OF_DELETE return = OK\n", name);
2464 return TRUE;
2467 handle = LongToHandle(_lopen( ofs->szPathName, mode ));
2468 if (handle == INVALID_HANDLE_VALUE) goto error;
2470 GetFileTime( handle, NULL, NULL, &filetime );
2471 FileTimeToDosDateTime( &filetime, &filedatetime[0], &filedatetime[1] );
2472 if ((mode & OF_VERIFY) && (mode & OF_REOPEN))
2474 if (ofs->Reserved1 != filedatetime[0] || ofs->Reserved2 != filedatetime[1] )
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;
2483 ofs->Reserved1 = filedatetime[0];
2484 ofs->Reserved2 = filedatetime[1];
2486 TRACE("(%s): OK, return = %p\n", name, handle );
2487 if (mode & OF_EXIST) /* Return TRUE instead of a handle */
2489 CloseHandle( handle );
2490 return TRUE;
2492 return HandleToLong(handle);
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;