git.oblomov.eu Git - wine/blob - dlls/kernel/file.c

   1 /*
   2  * File handling functions
   3  *
   4  * Copyright 1993 John Burton
   5  * Copyright 1996, 2004 Alexandre Julliard
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  20  */
  21
  22 #include "config.h"
  23 #include "wine/port.h"
  24
  25 #include <stdarg.h>
  26
  27 #define NONAMELESSUNION
  28 #define NONAMELESSSTRUCT
  29 #include "winerror.h"
  30 #include "ntstatus.h"
  31 #include "windef.h"
  32 #include "winbase.h"
  33 #include "winreg.h"
  34 #include "winternl.h"
  35 #include "winioctl.h"
  36 #include "wincon.h"
  37 #include "wine/winbase16.h"
  38 #include "kernel_private.h"
  39
  40 #include "wine/exception.h"
  41 #include "excpt.h"
  42 #include "wine/unicode.h"
  43 #include "wine/debug.h"
  44 #include "async.h"
  45
  46 WINE_DEFAULT_DEBUG_CHANNEL(file);
  47
  48 HANDLE dos_handles[DOS_TABLE_SIZE];
  49
  50 /* info structure for FindFirstFile handle */
  51 typedef struct
  52 {
  53     HANDLE           handle;      /* handle to directory */
  54     CRITICAL_SECTION cs;          /* crit section protecting this structure */
  55     UNICODE_STRING   mask;        /* file mask */
  56     BOOL             is_root;     /* is directory the root of the drive? */
  57     UINT             data_pos;    /* current position in dir data */
  58     UINT             data_len;    /* length of dir data */
  59     BYTE             data[8192];  /* directory data */
  60 } FIND_FIRST_INFO;
  61
  62
  63 static WINE_EXCEPTION_FILTER(page_fault)
  64 {
  65     if (GetExceptionCode() == EXCEPTION_ACCESS_VIOLATION)
  66         return EXCEPTION_EXECUTE_HANDLER;
  67     return EXCEPTION_CONTINUE_SEARCH;
  68 }
  69
  70 /**************************************************************************
  71  *                      Operations on file handles                        *
  72  **************************************************************************/
  73
  74 /***********************************************************************
  75  *           FILE_InitProcessDosHandles
  76  *
  77  * Allocates the default DOS handles for a process. Called either by
  78  * Win32HandleToDosFileHandle below or by the DOSVM stuff.
  79  */
  80 static void FILE_InitProcessDosHandles( void )
  81 {
  82     static BOOL init_done /* = FALSE */;
  83     HANDLE cp = GetCurrentProcess();
  84
  85     if (init_done) return;
  86     init_done = TRUE;
  87     DuplicateHandle(cp, GetStdHandle(STD_INPUT_HANDLE), cp, &dos_handles[0],
  88                     0, TRUE, DUPLICATE_SAME_ACCESS);
  89     DuplicateHandle(cp, GetStdHandle(STD_OUTPUT_HANDLE), cp, &dos_handles[1],
  90                     0, TRUE, DUPLICATE_SAME_ACCESS);
  91     DuplicateHandle(cp, GetStdHandle(STD_ERROR_HANDLE), cp, &dos_handles[2],
  92                     0, TRUE, DUPLICATE_SAME_ACCESS);
  93     DuplicateHandle(cp, GetStdHandle(STD_ERROR_HANDLE), cp, &dos_handles[3],
  94                     0, TRUE, DUPLICATE_SAME_ACCESS);
  95     DuplicateHandle(cp, GetStdHandle(STD_ERROR_HANDLE), cp, &dos_handles[4],
  96                     0, TRUE, DUPLICATE_SAME_ACCESS);
  97 }
  98
  99
 100 /***********************************************************************
 101  *              GetOverlappedResult     (KERNEL32.@)
 102  *
 103  * Check the result of an Asynchronous data transfer from a file.
 104  *
 105  * Parameters
 106  *   HANDLE hFile                 [in] handle of file to check on
 107  *   LPOVERLAPPED lpOverlapped    [in/out] pointer to overlapped
 108  *   LPDWORD lpTransferred        [in/out] number of bytes transferred
 109  *   BOOL bWait                   [in] wait for the transfer to complete ?
 110  *
 111  * RETURNS
 112  *   TRUE on success
 113  *   FALSE on failure
 114  *
 115  *  If successful (and relevant) lpTransferred will hold the number of
 116  *   bytes transferred during the async operation.
 117  *
 118  * BUGS
 119  *
 120  * Currently only works for WaitCommEvent, ReadFile, WriteFile
 121  *   with communications ports.
 122  *
 123  */
 124 BOOL WINAPI GetOverlappedResult(HANDLE hFile, LPOVERLAPPED lpOverlapped,
 125                                 LPDWORD lpTransferred, BOOL bWait)
 126 {
 127     DWORD r;
 128
 129     TRACE("(%p %p %p %x)\n", hFile, lpOverlapped, lpTransferred, bWait);
 130
 131     if (lpOverlapped==NULL)
 132     {
 133         ERR("lpOverlapped was null\n");
 134         return FALSE;
 135     }
 136     if (!lpOverlapped->hEvent)
 137     {
 138         ERR("lpOverlapped->hEvent was null\n");
 139         return FALSE;
 140     }
 141
 142     if ( bWait )
 143     {
 144         do {
 145             TRACE("waiting on %p\n",lpOverlapped);
 146             r = WaitForSingleObjectEx(lpOverlapped->hEvent, INFINITE, TRUE);
 147             TRACE("wait on %p returned %ld\n",lpOverlapped,r);
 148         } while (r==STATUS_USER_APC);
 149     }
 150     else if ( lpOverlapped->Internal == STATUS_PENDING )
 151     {
 152         /* Wait in order to give APCs a chance to run. */
 153         /* This is cheating, so we must set the event again in case of success -
 154            it may be a non-manual reset event. */
 155         do {
 156             TRACE("waiting on %p\n",lpOverlapped);
 157             r = WaitForSingleObjectEx(lpOverlapped->hEvent, 0, TRUE);
 158             TRACE("wait on %p returned %ld\n",lpOverlapped,r);
 159         } while (r==STATUS_USER_APC);
 160         if ( r == WAIT_OBJECT_0 )
 161             NtSetEvent ( lpOverlapped->hEvent, NULL );
 162     }
 163
 164     if(lpTransferred)
 165         *lpTransferred = lpOverlapped->InternalHigh;
 166
 167     switch ( lpOverlapped->Internal )
 168     {
 169     case STATUS_SUCCESS:
 170         return TRUE;
 171     case STATUS_PENDING:
 172         SetLastError ( ERROR_IO_INCOMPLETE );
 173         if ( bWait ) ERR ("PENDING status after waiting!\n");
 174         return FALSE;
 175     default:
 176         SetLastError ( RtlNtStatusToDosError ( lpOverlapped->Internal ) );
 177         return FALSE;
 178     }
 179 }
 180
 181 /***********************************************************************
 182  *             CancelIo                   (KERNEL32.@)
 183  */
 184 BOOL WINAPI CancelIo(HANDLE handle)
 185 {
 186     async_private *ovp,*t;
 187
 188     TRACE("handle = %p\n",handle);
 189
 190     for (ovp = NtCurrentTeb()->pending_list; ovp; ovp = t)
 191     {
 192         t = ovp->next;
 193         if ( ovp->handle == handle )
 194              cancel_async ( ovp );
 195     }
 196     SleepEx(1,TRUE);
 197     return TRUE;
 198 }
 199
 200 /***********************************************************************
 201  *           _hread   (KERNEL32.@)
 202  */
 203 LONG WINAPI _hread( HFILE hFile, LPVOID buffer, LONG count)
 204 {
 205     return _lread( hFile, buffer, count );
 206 }
 207
 208
 209 /***********************************************************************
 210  *           _hwrite   (KERNEL32.@)
 211  *
 212  *      experimentation yields that _lwrite:
 213  *              o truncates the file at the current position with
 214  *                a 0 len write
 215  *              o returns 0 on a 0 length write
 216  *              o works with console handles
 217  *
 218  */
 219 LONG WINAPI _hwrite( HFILE handle, LPCSTR buffer, LONG count )
 220 {
 221     DWORD result;
 222
 223     TRACE("%d %p %ld\n", handle, buffer, count );
 224
 225     if (!count)
 226     {
 227         /* Expand or truncate at current position */
 228         if (!SetEndOfFile( (HANDLE)handle )) return HFILE_ERROR;
 229         return 0;
 230     }
 231     if (!WriteFile( (HANDLE)handle, buffer, count, &result, NULL ))
 232         return HFILE_ERROR;
 233     return result;
 234 }
 235
 236
 237 /***********************************************************************
 238  *           _lclose   (KERNEL32.@)
 239  */
 240 HFILE WINAPI _lclose( HFILE hFile )
 241 {
 242     TRACE("handle %d\n", hFile );
 243     return CloseHandle( (HANDLE)hFile ) ? 0 : HFILE_ERROR;
 244 }
 245
 246
 247 /***********************************************************************
 248  *           _lcreat   (KERNEL32.@)
 249  */
 250 HFILE WINAPI _lcreat( LPCSTR path, INT attr )
 251 {
 252     /* Mask off all flags not explicitly allowed by the doc */
 253     attr &= FILE_ATTRIBUTE_READONLY | FILE_ATTRIBUTE_HIDDEN | FILE_ATTRIBUTE_SYSTEM;
 254     TRACE("%s %02x\n", path, attr );
 255     return (HFILE)CreateFileA( path, GENERIC_READ | GENERIC_WRITE,
 256                                FILE_SHARE_READ | FILE_SHARE_WRITE, NULL,
 257                                CREATE_ALWAYS, attr, 0 );
 258 }
 259
 260
 261 /***********************************************************************
 262  *           _lopen   (KERNEL32.@)
 263  */
 264 HFILE WINAPI _lopen( LPCSTR path, INT mode )
 265 {
 266     DWORD access, sharing;
 267
 268     TRACE("('%s',%04x)\n", path, mode );
 269     FILE_ConvertOFMode( mode, &access, &sharing );
 270     return (HFILE)CreateFileA( path, access, sharing, NULL, OPEN_EXISTING, 0, 0 );
 271 }
 272
 273
 274 /***********************************************************************
 275  *           _lread   (KERNEL32.@)
 276  */
 277 UINT WINAPI _lread( HFILE handle, LPVOID buffer, UINT count )
 278 {
 279     DWORD result;
 280     if (!ReadFile( (HANDLE)handle, buffer, count, &result, NULL ))
 281         return HFILE_ERROR;
 282     return result;
 283 }
 284
 285
 286 /***********************************************************************
 287  *           _llseek   (KERNEL32.@)
 288  */
 289 LONG WINAPI _llseek( HFILE hFile, LONG lOffset, INT nOrigin )
 290 {
 291     return SetFilePointer( (HANDLE)hFile, lOffset, NULL, nOrigin );
 292 }
 293
 294
 295 /***********************************************************************
 296  *           _lwrite   (KERNEL32.@)
 297  */
 298 UINT WINAPI _lwrite( HFILE hFile, LPCSTR buffer, UINT count )
 299 {
 300     return (UINT)_hwrite( hFile, buffer, (LONG)count );
 301 }
 302
 303
 304 /***********************************************************************
 305  *           FlushFileBuffers   (KERNEL32.@)
 306  */
 307 BOOL WINAPI FlushFileBuffers( HANDLE hFile )
 308 {
 309     NTSTATUS            nts;
 310     IO_STATUS_BLOCK     ioblk;
 311
 312     if (is_console_handle( hFile ))
 313     {
 314         /* this will fail (as expected) for an output handle */
 315         /* FIXME: wait until FlushFileBuffers is moved to dll/kernel */
 316         /* return FlushConsoleInputBuffer( hFile ); */
 317         return TRUE;
 318     }
 319     nts = NtFlushBuffersFile( hFile, &ioblk );
 320     if (nts != STATUS_SUCCESS)
 321     {
 322         SetLastError( RtlNtStatusToDosError( nts ) );
 323         return FALSE;
 324     }
 325
 326     return TRUE;
 327 }
 328
 329
 330 /***********************************************************************
 331  *           GetFileType   (KERNEL32.@)
 332  */
 333 DWORD WINAPI GetFileType( HANDLE hFile )
 334 {
 335     FILE_FS_DEVICE_INFORMATION info;
 336     IO_STATUS_BLOCK io;
 337     NTSTATUS status;
 338
 339     if (is_console_handle( hFile )) return FILE_TYPE_CHAR;
 340
 341     status = NtQueryVolumeInformationFile( hFile, &io, &info, sizeof(info), FileFsDeviceInformation );
 342     if (status != STATUS_SUCCESS)
 343     {
 344         SetLastError( RtlNtStatusToDosError(status) );
 345         return FILE_TYPE_UNKNOWN;
 346     }
 347
 348     switch(info.DeviceType)
 349     {
 350     case FILE_DEVICE_NULL:
 351     case FILE_DEVICE_SERIAL_PORT:
 352     case FILE_DEVICE_PARALLEL_PORT:
 353     case FILE_DEVICE_UNKNOWN:
 354         return FILE_TYPE_CHAR;
 355     case FILE_DEVICE_NAMED_PIPE:
 356         return FILE_TYPE_PIPE;
 357     default:
 358         return FILE_TYPE_DISK;
 359     }
 360 }
 361
 362
 363 /***********************************************************************
 364  *             GetFileInformationByHandle   (KERNEL32.@)
 365  */
 366 BOOL WINAPI GetFileInformationByHandle( HANDLE hFile, BY_HANDLE_FILE_INFORMATION *info )
 367 {
 368     FILE_ALL_INFORMATION all_info;
 369     IO_STATUS_BLOCK io;
 370     NTSTATUS status;
 371
 372     status = NtQueryInformationFile( hFile, &io, &all_info, sizeof(all_info), FileAllInformation );
 373     if (status == STATUS_SUCCESS)
 374     {
 375         info->dwFileAttributes                = all_info.BasicInformation.FileAttributes;
 376         info->ftCreationTime.dwHighDateTime   = all_info.BasicInformation.CreationTime.u.HighPart;
 377         info->ftCreationTime.dwLowDateTime    = all_info.BasicInformation.CreationTime.u.LowPart;
 378         info->ftLastAccessTime.dwHighDateTime = all_info.BasicInformation.LastAccessTime.u.HighPart;
 379         info->ftLastAccessTime.dwLowDateTime  = all_info.BasicInformation.LastAccessTime.u.LowPart;
 380         info->ftLastWriteTime.dwHighDateTime  = all_info.BasicInformation.LastWriteTime.u.HighPart;
 381         info->ftLastWriteTime.dwLowDateTime   = all_info.BasicInformation.LastWriteTime.u.LowPart;
 382         info->dwVolumeSerialNumber            = 0;  /* FIXME */
 383         info->nFileSizeHigh                   = all_info.StandardInformation.EndOfFile.u.HighPart;
 384         info->nFileSizeLow                    = all_info.StandardInformation.EndOfFile.u.LowPart;
 385         info->nNumberOfLinks                  = all_info.StandardInformation.NumberOfLinks;
 386         info->nFileIndexHigh                  = all_info.InternalInformation.IndexNumber.u.HighPart;
 387         info->nFileIndexLow                   = all_info.InternalInformation.IndexNumber.u.LowPart;
 388         return TRUE;
 389     }
 390     SetLastError( RtlNtStatusToDosError(status) );
 391     return FALSE;
 392 }
 393
 394
 395 /***********************************************************************
 396  *           GetFileSize   (KERNEL32.@)
 397  */
 398 DWORD WINAPI GetFileSize( HANDLE hFile, LPDWORD filesizehigh )
 399 {
 400     LARGE_INTEGER size;
 401     if (!GetFileSizeEx( hFile, &size )) return INVALID_FILE_SIZE;
 402     if (filesizehigh) *filesizehigh = size.u.HighPart;
 403     if (size.u.LowPart == INVALID_FILE_SIZE) SetLastError(0);
 404     return size.u.LowPart;
 405 }
 406
 407
 408 /***********************************************************************
 409  *           GetFileSizeEx   (KERNEL32.@)
 410  */
 411 BOOL WINAPI GetFileSizeEx( HANDLE hFile, PLARGE_INTEGER lpFileSize )
 412 {
 413     FILE_END_OF_FILE_INFORMATION info;
 414     IO_STATUS_BLOCK io;
 415     NTSTATUS status;
 416
 417     status = NtQueryInformationFile( hFile, &io, &info, sizeof(info), FileEndOfFileInformation );
 418     if (status == STATUS_SUCCESS)
 419     {
 420         *lpFileSize = info.EndOfFile;
 421         return TRUE;
 422     }
 423     SetLastError( RtlNtStatusToDosError(status) );
 424     return FALSE;
 425 }
 426
 427
 428 /**************************************************************************
 429  *           SetEndOfFile   (KERNEL32.@)
 430  */
 431 BOOL WINAPI SetEndOfFile( HANDLE hFile )
 432 {
 433     FILE_POSITION_INFORMATION pos;
 434     FILE_END_OF_FILE_INFORMATION eof;
 435     IO_STATUS_BLOCK io;
 436     NTSTATUS status;
 437
 438     status = NtQueryInformationFile( hFile, &io, &pos, sizeof(pos), FilePositionInformation );
 439     if (status == STATUS_SUCCESS)
 440     {
 441         eof.EndOfFile = pos.CurrentByteOffset;
 442         status = NtSetInformationFile( hFile, &io, &eof, sizeof(eof), FileEndOfFileInformation );
 443     }
 444     if (status == STATUS_SUCCESS) return TRUE;
 445     SetLastError( RtlNtStatusToDosError(status) );
 446     return FALSE;
 447 }
 448
 449
 450 /***********************************************************************
 451  *           GetFileTime   (KERNEL32.@)
 452  */
 453 BOOL WINAPI GetFileTime( HANDLE hFile, FILETIME *lpCreationTime,
 454                          FILETIME *lpLastAccessTime, FILETIME *lpLastWriteTime )
 455 {
 456     FILE_BASIC_INFORMATION info;
 457     IO_STATUS_BLOCK io;
 458     NTSTATUS status;
 459
 460     status = NtQueryInformationFile( hFile, &io, &info, sizeof(info), FileBasicInformation );
 461     if (status == STATUS_SUCCESS)
 462     {
 463         if (lpCreationTime)
 464         {
 465             lpCreationTime->dwHighDateTime = info.CreationTime.u.HighPart;
 466             lpCreationTime->dwLowDateTime  = info.CreationTime.u.LowPart;
 467         }
 468         if (lpLastAccessTime)
 469         {
 470             lpLastAccessTime->dwHighDateTime = info.LastAccessTime.u.HighPart;
 471             lpLastAccessTime->dwLowDateTime  = info.LastAccessTime.u.LowPart;
 472         }
 473         if (lpLastWriteTime)
 474         {
 475             lpLastWriteTime->dwHighDateTime = info.LastWriteTime.u.HighPart;
 476             lpLastWriteTime->dwLowDateTime  = info.LastWriteTime.u.LowPart;
 477         }
 478         return TRUE;
 479     }
 480     SetLastError( RtlNtStatusToDosError(status) );
 481     return FALSE;
 482 }
 483
 484
 485 /***********************************************************************
 486  *              SetFileTime   (KERNEL32.@)
 487  */
 488 BOOL WINAPI SetFileTime( HANDLE hFile, const FILETIME *ctime,
 489                          const FILETIME *atime, const FILETIME *mtime )
 490 {
 491     FILE_BASIC_INFORMATION info;
 492     IO_STATUS_BLOCK io;
 493     NTSTATUS status;
 494
 495     memset( &info, 0, sizeof(info) );
 496     if (ctime)
 497     {
 498         info.CreationTime.u.HighPart = ctime->dwHighDateTime;
 499         info.CreationTime.u.LowPart  = ctime->dwLowDateTime;
 500     }
 501     if (atime)
 502     {
 503         info.LastAccessTime.u.HighPart = atime->dwHighDateTime;
 504         info.LastAccessTime.u.LowPart  = atime->dwLowDateTime;
 505     }
 506     if (mtime)
 507     {
 508         info.LastWriteTime.u.HighPart = mtime->dwHighDateTime;
 509         info.LastWriteTime.u.LowPart  = mtime->dwLowDateTime;
 510     }
 511
 512     status = NtSetInformationFile( hFile, &io, &info, sizeof(info), FileBasicInformation );
 513     if (status == STATUS_SUCCESS) return TRUE;
 514     SetLastError( RtlNtStatusToDosError(status) );
 515     return FALSE;
 516 }
 517
 518
 519 /**************************************************************************
 520  *           LockFile   (KERNEL32.@)
 521  */
 522 BOOL WINAPI LockFile( HANDLE hFile, DWORD offset_low, DWORD offset_high,
 523                       DWORD count_low, DWORD count_high )
 524 {
 525     NTSTATUS            status;
 526     LARGE_INTEGER       count, offset;
 527
 528     TRACE( "%p %lx%08lx %lx%08lx\n",
 529            hFile, offset_high, offset_low, count_high, count_low );
 530
 531     count.u.LowPart = count_low;
 532     count.u.HighPart = count_high;
 533     offset.u.LowPart = offset_low;
 534     offset.u.HighPart = offset_high;
 535
 536     status = NtLockFile( hFile, 0, NULL, NULL,
 537                          NULL, &offset, &count, NULL, TRUE, TRUE );
 538
 539     if (status != STATUS_SUCCESS) SetLastError( RtlNtStatusToDosError(status) );
 540     return !status;
 541 }
 542
 543
 544 /**************************************************************************
 545  * LockFileEx [KERNEL32.@]
 546  *
 547  * Locks a byte range within an open file for shared or exclusive access.
 548  *
 549  * RETURNS
 550  *   success: TRUE
 551  *   failure: FALSE
 552  *
 553  * NOTES
 554  * Per Microsoft docs, the third parameter (reserved) must be set to 0.
 555  */
 556 BOOL WINAPI LockFileEx( HANDLE hFile, DWORD flags, DWORD reserved,
 557                         DWORD count_low, DWORD count_high, LPOVERLAPPED overlapped )
 558 {
 559     NTSTATUS status;
 560     LARGE_INTEGER count, offset;
 561
 562     if (reserved)
 563     {
 564         SetLastError( ERROR_INVALID_PARAMETER );
 565         return FALSE;
 566     }
 567
 568     TRACE( "%p %lx%08lx %lx%08lx flags %lx\n",
 569            hFile, overlapped->OffsetHigh, overlapped->Offset,
 570            count_high, count_low, flags );
 571
 572     count.u.LowPart = count_low;
 573     count.u.HighPart = count_high;
 574     offset.u.LowPart = overlapped->Offset;
 575     offset.u.HighPart = overlapped->OffsetHigh;
 576
 577     status = NtLockFile( hFile, overlapped->hEvent, NULL, NULL,
 578                          NULL, &offset, &count, NULL,
 579                          flags & LOCKFILE_FAIL_IMMEDIATELY,
 580                          flags & LOCKFILE_EXCLUSIVE_LOCK );
 581
 582     if (status) SetLastError( RtlNtStatusToDosError(status) );
 583     return !status;
 584 }
 585
 586
 587 /**************************************************************************
 588  *           UnlockFile   (KERNEL32.@)
 589  */
 590 BOOL WINAPI UnlockFile( HANDLE hFile, DWORD offset_low, DWORD offset_high,
 591                         DWORD count_low, DWORD count_high )
 592 {
 593     NTSTATUS    status;
 594     LARGE_INTEGER count, offset;
 595
 596     count.u.LowPart = count_low;
 597     count.u.HighPart = count_high;
 598     offset.u.LowPart = offset_low;
 599     offset.u.HighPart = offset_high;
 600
 601     status = NtUnlockFile( hFile, NULL, &offset, &count, NULL);
 602     if (status) SetLastError( RtlNtStatusToDosError(status) );
 603     return !status;
 604 }
 605
 606
 607 /**************************************************************************
 608  *           UnlockFileEx   (KERNEL32.@)
 609  */
 610 BOOL WINAPI UnlockFileEx( HANDLE hFile, DWORD reserved, DWORD count_low, DWORD count_high,
 611                           LPOVERLAPPED overlapped )
 612 {
 613     if (reserved)
 614     {
 615         SetLastError( ERROR_INVALID_PARAMETER );
 616         return FALSE;
 617     }
 618     if (overlapped->hEvent) FIXME("Unimplemented overlapped operation\n");
 619
 620     return UnlockFile( hFile, overlapped->Offset, overlapped->OffsetHigh, count_low, count_high );
 621 }
 622
 623
 624 /***********************************************************************
 625  *           Win32HandleToDosFileHandle   (KERNEL32.21)
 626  *
 627  * Allocate a DOS handle for a Win32 handle. The Win32 handle is no
 628  * longer valid after this function (even on failure).
 629  *
 630  * Note: this is not exactly right, since on Win95 the Win32 handles
 631  *       are on top of DOS handles and we do it the other way
 632  *       around. Should be good enough though.
 633  */
 634 HFILE WINAPI Win32HandleToDosFileHandle( HANDLE handle )
 635 {
 636     int i;
 637
 638     if (!handle || (handle == INVALID_HANDLE_VALUE))
 639         return HFILE_ERROR;
 640
 641     FILE_InitProcessDosHandles();
 642     for (i = 0; i < DOS_TABLE_SIZE; i++)
 643         if (!dos_handles[i])
 644         {
 645             dos_handles[i] = handle;
 646             TRACE("Got %d for h32 %p\n", i, handle );
 647             return (HFILE)i;
 648         }
 649     CloseHandle( handle );
 650     SetLastError( ERROR_TOO_MANY_OPEN_FILES );
 651     return HFILE_ERROR;
 652 }
 653
 654
 655 /***********************************************************************
 656  *           DosFileHandleToWin32Handle   (KERNEL32.20)
 657  *
 658  * Return the Win32 handle for a DOS handle.
 659  *
 660  * Note: this is not exactly right, since on Win95 the Win32 handles
 661  *       are on top of DOS handles and we do it the other way
 662  *       around. Should be good enough though.
 663  */
 664 HANDLE WINAPI DosFileHandleToWin32Handle( HFILE handle )
 665 {
 666     HFILE16 hfile = (HFILE16)handle;
 667     if (hfile < 5) FILE_InitProcessDosHandles();
 668     if ((hfile >= DOS_TABLE_SIZE) || !dos_handles[hfile])
 669     {
 670         SetLastError( ERROR_INVALID_HANDLE );
 671         return INVALID_HANDLE_VALUE;
 672     }
 673     return dos_handles[hfile];
 674 }
 675
 676
 677 /***********************************************************************
 678  *           DisposeLZ32Handle   (KERNEL32.22)
 679  *
 680  * Note: this is not entirely correct, we should only close the
 681  *       32-bit handle and not the 16-bit one, but we cannot do
 682  *       this because of the way our DOS handles are implemented.
 683  *       It shouldn't break anything though.
 684  */
 685 void WINAPI DisposeLZ32Handle( HANDLE handle )
 686 {
 687     int i;
 688
 689     if (!handle || (handle == INVALID_HANDLE_VALUE)) return;
 690
 691     for (i = 5; i < DOS_TABLE_SIZE; i++)
 692         if (dos_handles[i] == handle)
 693         {
 694             dos_handles[i] = 0;
 695             CloseHandle( handle );
 696             break;
 697         }
 698 }
 699
 700 /**************************************************************************
 701  *                      Operations on file names                          *
 702  **************************************************************************/
 703
 704 /***********************************************************************
 705  *           DeleteFileW   (KERNEL32.@)
 706  */
 707 BOOL WINAPI DeleteFileW( LPCWSTR path )
 708 {
 709     HANDLE hFile;
 710
 711     TRACE("%s\n", debugstr_w(path) );
 712
 713     hFile = CreateFileW( path, GENERIC_READ | GENERIC_WRITE,
 714                          FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
 715                          NULL, OPEN_EXISTING, FILE_FLAG_DELETE_ON_CLOSE, 0 );
 716     if (hFile == INVALID_HANDLE_VALUE) return FALSE;
 717
 718     CloseHandle(hFile);  /* last close will delete the file */
 719     return TRUE;
 720 }
 721
 722
 723 /***********************************************************************
 724  *           DeleteFileA   (KERNEL32.@)
 725  */
 726 BOOL WINAPI DeleteFileA( LPCSTR path )
 727 {
 728     UNICODE_STRING pathW;
 729     BOOL ret = FALSE;
 730
 731     if (RtlCreateUnicodeStringFromAsciiz(&pathW, path))
 732     {
 733         ret = DeleteFileW(pathW.Buffer);
 734         RtlFreeUnicodeString(&pathW);
 735     }
 736     else
 737         SetLastError(ERROR_NOT_ENOUGH_MEMORY);
 738     return ret;
 739 }
 740
 741
 742 /**************************************************************************
 743  *           ReplaceFileW   (KERNEL32.@)
 744  *           ReplaceFile    (KERNEL32.@)
 745  */
 746 BOOL WINAPI ReplaceFileW(LPCWSTR lpReplacedFileName,LPCWSTR lpReplacementFileName,
 747                          LPCWSTR lpBackupFileName, DWORD dwReplaceFlags,
 748                          LPVOID lpExclude, LPVOID lpReserved)
 749 {
 750     FIXME("(%s,%s,%s,%08lx,%p,%p) stub\n",debugstr_w(lpReplacedFileName),debugstr_w(lpReplacementFileName),
 751                                           debugstr_w(lpBackupFileName),dwReplaceFlags,lpExclude,lpReserved);
 752     SetLastError(ERROR_UNABLE_TO_MOVE_REPLACEMENT);
 753     return FALSE;
 754 }
 755
 756
 757 /**************************************************************************
 758  *           ReplaceFileA (KERNEL32.@)
 759  */
 760 BOOL WINAPI ReplaceFileA(LPCSTR lpReplacedFileName,LPCSTR lpReplacementFileName,
 761                          LPCSTR lpBackupFileName, DWORD dwReplaceFlags,
 762                          LPVOID lpExclude, LPVOID lpReserved)
 763 {
 764     FIXME("(%s,%s,%s,%08lx,%p,%p) stub\n",lpReplacedFileName,lpReplacementFileName,
 765                                           lpBackupFileName,dwReplaceFlags,lpExclude,lpReserved);
 766     SetLastError(ERROR_UNABLE_TO_MOVE_REPLACEMENT);
 767     return FALSE;
 768 }
 769
 770
 771 /*************************************************************************
 772  *           FindFirstFileExW  (KERNEL32.@)
 773  */
 774 HANDLE WINAPI FindFirstFileExW( LPCWSTR filename, FINDEX_INFO_LEVELS level,
 775                                 LPVOID data, FINDEX_SEARCH_OPS search_op,
 776                                 LPVOID filter, DWORD flags)
 777 {
 778     WCHAR *mask, *p;
 779     FIND_FIRST_INFO *info = NULL;
 780     UNICODE_STRING nt_name;
 781     OBJECT_ATTRIBUTES attr;
 782     IO_STATUS_BLOCK io;
 783     NTSTATUS status;
 784
 785     if ((search_op != FindExSearchNameMatch) || (flags != 0))
 786     {
 787         FIXME("options not implemented 0x%08x 0x%08lx\n", search_op, flags );
 788         return INVALID_HANDLE_VALUE;
 789     }
 790     if (level != FindExInfoStandard)
 791     {
 792         FIXME("info level %d not implemented\n", level );
 793         return INVALID_HANDLE_VALUE;
 794     }
 795
 796     if (!RtlDosPathNameToNtPathName_U( filename, &nt_name, &mask, NULL ))
 797     {
 798         SetLastError( ERROR_PATH_NOT_FOUND );
 799         return INVALID_HANDLE_VALUE;
 800     }
 801
 802     if (!mask || !*mask)
 803     {
 804         SetLastError( ERROR_FILE_NOT_FOUND );
 805         goto error;
 806     }
 807
 808     if (!(info = HeapAlloc( GetProcessHeap(), 0, sizeof(*info))))
 809     {
 810         SetLastError( ERROR_NOT_ENOUGH_MEMORY );
 811         goto error;
 812     }
 813
 814     if (!RtlCreateUnicodeString( &info->mask, mask ))
 815     {
 816         SetLastError( ERROR_NOT_ENOUGH_MEMORY );
 817         goto error;
 818     }
 819
 820     /* truncate dir name before mask */
 821     *mask = 0;
 822     nt_name.Length = (mask - nt_name.Buffer) * sizeof(WCHAR);
 823
 824     /* check if path is the root of the drive */
 825     info->is_root = FALSE;
 826     p = nt_name.Buffer + 4;  /* skip \??\ prefix */
 827     if (p[0] && p[1] == ':')
 828     {
 829         p += 2;
 830         while (*p == '\\') p++;
 831         info->is_root = (*p == 0);
 832     }
 833
 834     attr.Length = sizeof(attr);
 835     attr.RootDirectory = 0;
 836     attr.Attributes = OBJ_CASE_INSENSITIVE;
 837     attr.ObjectName = &nt_name;
 838     attr.SecurityDescriptor = NULL;
 839     attr.SecurityQualityOfService = NULL;
 840
 841     status = NtOpenFile( &info->handle, GENERIC_READ, &attr, &io,
 842                          FILE_SHARE_READ | FILE_SHARE_WRITE,
 843                          FILE_DIRECTORY_FILE | FILE_SYNCHRONOUS_IO_NONALERT );
 844
 845     if (status != STATUS_SUCCESS)
 846     {
 847         RtlFreeUnicodeString( &info->mask );
 848         SetLastError( RtlNtStatusToDosError(status) );
 849         goto error;
 850     }
 851     RtlFreeUnicodeString( &nt_name );
 852
 853     RtlInitializeCriticalSection( &info->cs );
 854     info->data_pos = 0;
 855     info->data_len = 0;
 856
 857     if (!FindNextFileW( (HANDLE)info, data ))
 858     {
 859         TRACE( "%s not found\n", debugstr_w(filename) );
 860         FindClose( (HANDLE)info );
 861         SetLastError( ERROR_FILE_NOT_FOUND );
 862         return INVALID_HANDLE_VALUE;
 863     }
 864     return (HANDLE)info;
 865
 866 error:
 867     if (info) HeapFree( GetProcessHeap(), 0, info );
 868     RtlFreeUnicodeString( &nt_name );
 869     return INVALID_HANDLE_VALUE;
 870 }
 871
 872
 873 /*************************************************************************
 874  *           FindNextFileW   (KERNEL32.@)
 875  */
 876 BOOL WINAPI FindNextFileW( HANDLE handle, WIN32_FIND_DATAW *data )
 877 {
 878     FIND_FIRST_INFO *info;
 879     FILE_BOTH_DIR_INFORMATION *dir_info;
 880     BOOL ret = FALSE;
 881
 882     if (handle == INVALID_HANDLE_VALUE)
 883     {
 884         SetLastError( ERROR_INVALID_HANDLE );
 885         return ret;
 886     }
 887     info = (FIND_FIRST_INFO *)handle;
 888
 889     RtlEnterCriticalSection( &info->cs );
 890
 891     for (;;)
 892     {
 893         if (info->data_pos >= info->data_len)  /* need to read some more data */
 894         {
 895             IO_STATUS_BLOCK io;
 896
 897             NtQueryDirectoryFile( info->handle, 0, NULL, NULL, &io, info->data, sizeof(info->data),
 898                                   FileBothDirectoryInformation, FALSE, &info->mask, FALSE );
 899             if (io.u.Status)
 900             {
 901                 SetLastError( RtlNtStatusToDosError( io.u.Status ) );
 902                 break;
 903             }
 904             info->data_len = io.Information;
 905             info->data_pos = 0;
 906         }
 907
 908         dir_info = (FILE_BOTH_DIR_INFORMATION *)(info->data + info->data_pos);
 909
 910         if (dir_info->NextEntryOffset) info->data_pos += dir_info->NextEntryOffset;
 911         else info->data_pos = info->data_len;
 912
 913         /* don't return '.' and '..' in the root of the drive */
 914         if (info->is_root)
 915         {
 916             if (dir_info->FileNameLength == sizeof(WCHAR) && dir_info->FileName[0] == '.') continue;
 917             if (dir_info->FileNameLength == 2 * sizeof(WCHAR) &&
 918                 dir_info->FileName[0] == '.' && dir_info->FileName[1] == '.') continue;
 919         }
 920
 921         data->dwFileAttributes = dir_info->FileAttributes;
 922         data->ftCreationTime   = *(FILETIME *)&dir_info->CreationTime;
 923         data->ftLastAccessTime = *(FILETIME *)&dir_info->LastAccessTime;
 924         data->ftLastWriteTime  = *(FILETIME *)&dir_info->LastWriteTime;
 925         data->nFileSizeHigh    = dir_info->EndOfFile.QuadPart >> 32;
 926         data->nFileSizeLow     = (DWORD)dir_info->EndOfFile.QuadPart;
 927         data->dwReserved0      = 0;
 928         data->dwReserved1      = 0;
 929
 930         memcpy( data->cFileName, dir_info->FileName, dir_info->FileNameLength );
 931         data->cFileName[dir_info->FileNameLength/sizeof(WCHAR)] = 0;
 932         memcpy( data->cAlternateFileName, dir_info->ShortName, dir_info->ShortNameLength );
 933         data->cAlternateFileName[dir_info->ShortNameLength/sizeof(WCHAR)] = 0;
 934
 935         TRACE("returning %s (%s)\n",
 936               debugstr_w(data->cFileName), debugstr_w(data->cAlternateFileName) );
 937
 938         ret = TRUE;
 939         break;
 940     }
 941
 942     RtlLeaveCriticalSection( &info->cs );
 943     return ret;
 944 }
 945
 946
 947 /*************************************************************************
 948  *           FindClose   (KERNEL32.@)
 949  */
 950 BOOL WINAPI FindClose( HANDLE handle )
 951 {
 952     FIND_FIRST_INFO *info = (FIND_FIRST_INFO *)handle;
 953
 954     if (!handle || handle == INVALID_HANDLE_VALUE) goto error;
 955
 956     __TRY
 957     {
 958         RtlEnterCriticalSection( &info->cs );
 959         if (info->handle) CloseHandle( info->handle );
 960         info->handle = 0;
 961         RtlFreeUnicodeString( &info->mask );
 962         info->mask.Buffer = NULL;
 963         info->data_pos = 0;
 964         info->data_len = 0;
 965     }
 966     __EXCEPT(page_fault)
 967     {
 968         WARN("Illegal handle %p\n", handle);
 969         SetLastError( ERROR_INVALID_HANDLE );
 970         return FALSE;
 971     }
 972     __ENDTRY
 973
 974     RtlLeaveCriticalSection( &info->cs );
 975     RtlDeleteCriticalSection( &info->cs );
 976     HeapFree(GetProcessHeap(), 0, info);
 977     return TRUE;
 978
 979  error:
 980     SetLastError( ERROR_INVALID_HANDLE );
 981     return FALSE;
 982 }
 983
 984
 985 /*************************************************************************
 986  *           FindFirstFileA   (KERNEL32.@)
 987  */
 988 HANDLE WINAPI FindFirstFileA( LPCSTR lpFileName, WIN32_FIND_DATAA *lpFindData )
 989 {
 990     return FindFirstFileExA(lpFileName, FindExInfoStandard, lpFindData,
 991                             FindExSearchNameMatch, NULL, 0);
 992 }
 993
 994 /*************************************************************************
 995  *           FindFirstFileExA   (KERNEL32.@)
 996  */
 997 HANDLE WINAPI FindFirstFileExA( LPCSTR lpFileName, FINDEX_INFO_LEVELS fInfoLevelId,
 998                                 LPVOID lpFindFileData, FINDEX_SEARCH_OPS fSearchOp,
 999                                 LPVOID lpSearchFilter, DWORD dwAdditionalFlags)
1000 {
1001     HANDLE handle;
1002     WIN32_FIND_DATAA *dataA;
1003     WIN32_FIND_DATAW dataW;
1004     UNICODE_STRING pathW;
1005
1006     if (!lpFileName)
1007     {
1008         SetLastError(ERROR_PATH_NOT_FOUND);
1009         return INVALID_HANDLE_VALUE;
1010     }
1011
1012     if (!RtlCreateUnicodeStringFromAsciiz(&pathW, lpFileName))
1013     {
1014         SetLastError(ERROR_NOT_ENOUGH_MEMORY);
1015         return INVALID_HANDLE_VALUE;
1016     }
1017
1018     handle = FindFirstFileExW(pathW.Buffer, fInfoLevelId, &dataW, fSearchOp, lpSearchFilter, dwAdditionalFlags);
1019     RtlFreeUnicodeString(&pathW);
1020     if (handle == INVALID_HANDLE_VALUE) return handle;
1021
1022     dataA = (WIN32_FIND_DATAA *) lpFindFileData;
1023     dataA->dwFileAttributes = dataW.dwFileAttributes;
1024     dataA->ftCreationTime   = dataW.ftCreationTime;
1025     dataA->ftLastAccessTime = dataW.ftLastAccessTime;
1026     dataA->ftLastWriteTime  = dataW.ftLastWriteTime;
1027     dataA->nFileSizeHigh    = dataW.nFileSizeHigh;
1028     dataA->nFileSizeLow     = dataW.nFileSizeLow;
1029     WideCharToMultiByte( CP_ACP, 0, dataW.cFileName, -1,
1030                          dataA->cFileName, sizeof(dataA->cFileName), NULL, NULL );
1031     WideCharToMultiByte( CP_ACP, 0, dataW.cAlternateFileName, -1,
1032                          dataA->cAlternateFileName, sizeof(dataA->cAlternateFileName), NULL, NULL );
1033     return handle;
1034 }
1035
1036
1037 /*************************************************************************
1038  *           FindFirstFileW   (KERNEL32.@)
1039  */
1040 HANDLE WINAPI FindFirstFileW( LPCWSTR lpFileName, WIN32_FIND_DATAW *lpFindData )
1041 {
1042     return FindFirstFileExW(lpFileName, FindExInfoStandard, lpFindData,
1043                             FindExSearchNameMatch, NULL, 0);
1044 }
1045
1046
1047 /*************************************************************************
1048  *           FindNextFileA   (KERNEL32.@)
1049  */
1050 BOOL WINAPI FindNextFileA( HANDLE handle, WIN32_FIND_DATAA *data )
1051 {
1052     WIN32_FIND_DATAW dataW;
1053
1054     if (!FindNextFileW( handle, &dataW )) return FALSE;
1055     data->dwFileAttributes = dataW.dwFileAttributes;
1056     data->ftCreationTime   = dataW.ftCreationTime;
1057     data->ftLastAccessTime = dataW.ftLastAccessTime;
1058     data->ftLastWriteTime  = dataW.ftLastWriteTime;
1059     data->nFileSizeHigh    = dataW.nFileSizeHigh;
1060     data->nFileSizeLow     = dataW.nFileSizeLow;
1061     WideCharToMultiByte( CP_ACP, 0, dataW.cFileName, -1,
1062                          data->cFileName, sizeof(data->cFileName), NULL, NULL );
1063     WideCharToMultiByte( CP_ACP, 0, dataW.cAlternateFileName, -1,
1064                          data->cAlternateFileName,
1065                          sizeof(data->cAlternateFileName), NULL, NULL );
1066     return TRUE;
1067 }
1068
1069
1070 /**************************************************************************
1071  *           GetFileAttributesW   (KERNEL32.@)
1072  */
1073 DWORD WINAPI GetFileAttributesW( LPCWSTR name )
1074 {
1075     FILE_BASIC_INFORMATION info;
1076     UNICODE_STRING nt_name;
1077     OBJECT_ATTRIBUTES attr;
1078     NTSTATUS status;
1079
1080     if (!RtlDosPathNameToNtPathName_U( name, &nt_name, NULL, NULL ))
1081     {
1082         SetLastError( ERROR_PATH_NOT_FOUND );
1083         return INVALID_FILE_ATTRIBUTES;
1084     }
1085
1086     attr.Length = sizeof(attr);
1087     attr.RootDirectory = 0;
1088     attr.Attributes = OBJ_CASE_INSENSITIVE;
1089     attr.ObjectName = &nt_name;
1090     attr.SecurityDescriptor = NULL;
1091     attr.SecurityQualityOfService = NULL;
1092
1093     status = NtQueryAttributesFile( &attr, &info );
1094     RtlFreeUnicodeString( &nt_name );
1095
1096     if (status == STATUS_SUCCESS) return info.FileAttributes;
1097
1098     /* NtQueryAttributesFile fails on devices, but GetFileAttributesW succeeds */
1099     if (RtlIsDosDeviceName_U( name )) return FILE_ATTRIBUTE_ARCHIVE;
1100
1101     SetLastError( RtlNtStatusToDosError(status) );
1102     return INVALID_FILE_ATTRIBUTES;
1103 }
1104
1105
1106 /**************************************************************************
1107  *           GetFileAttributesA   (KERNEL32.@)
1108  */
1109 DWORD WINAPI GetFileAttributesA( LPCSTR name )
1110 {
1111     UNICODE_STRING nameW;
1112     DWORD ret = INVALID_FILE_ATTRIBUTES;
1113
1114     if (!name)
1115     {
1116         SetLastError( ERROR_INVALID_PARAMETER );
1117         return INVALID_FILE_ATTRIBUTES;
1118     }
1119
1120     if (RtlCreateUnicodeStringFromAsciiz(&nameW, name))
1121     {
1122         ret = GetFileAttributesW(nameW.Buffer);
1123         RtlFreeUnicodeString(&nameW);
1124     }
1125     else
1126         SetLastError(ERROR_NOT_ENOUGH_MEMORY);
1127     return ret;
1128 }
1129
1130
1131 /**************************************************************************
1132  *              SetFileAttributesW      (KERNEL32.@)
1133  */
1134 BOOL WINAPI SetFileAttributesW( LPCWSTR name, DWORD attributes )
1135 {
1136     UNICODE_STRING nt_name;
1137     OBJECT_ATTRIBUTES attr;
1138     IO_STATUS_BLOCK io;
1139     NTSTATUS status;
1140     HANDLE handle;
1141
1142     if (!RtlDosPathNameToNtPathName_U( name, &nt_name, NULL, NULL ))
1143     {
1144         SetLastError( ERROR_PATH_NOT_FOUND );
1145         return FALSE;
1146     }
1147
1148     attr.Length = sizeof(attr);
1149     attr.RootDirectory = 0;
1150     attr.Attributes = OBJ_CASE_INSENSITIVE;
1151     attr.ObjectName = &nt_name;
1152     attr.SecurityDescriptor = NULL;
1153     attr.SecurityQualityOfService = NULL;
1154
1155     status = NtOpenFile( &handle, 0, &attr, &io, 0, FILE_SYNCHRONOUS_IO_NONALERT );
1156     RtlFreeUnicodeString( &nt_name );
1157
1158     if (status == STATUS_SUCCESS)
1159     {
1160         FILE_BASIC_INFORMATION info;
1161
1162         memset( &info, 0, sizeof(info) );
1163         info.FileAttributes = attributes | FILE_ATTRIBUTE_NORMAL;  /* make sure it's not zero */
1164         status = NtSetInformationFile( handle, &io, &info, sizeof(info), FileBasicInformation );
1165         NtClose( handle );
1166     }
1167
1168     if (status == STATUS_SUCCESS) return TRUE;
1169     SetLastError( RtlNtStatusToDosError(status) );
1170     return FALSE;
1171 }
1172
1173
1174 /**************************************************************************
1175  *              SetFileAttributesA      (KERNEL32.@)
1176  */
1177 BOOL WINAPI SetFileAttributesA( LPCSTR name, DWORD attributes )
1178 {
1179     UNICODE_STRING filenameW;
1180     BOOL ret = FALSE;
1181
1182     if (!name)
1183     {
1184         SetLastError( ERROR_INVALID_PARAMETER );
1185         return FALSE;
1186     }
1187
1188     if (RtlCreateUnicodeStringFromAsciiz(&filenameW, name))
1189     {
1190         ret = SetFileAttributesW(filenameW.Buffer, attributes);
1191         RtlFreeUnicodeString(&filenameW);
1192     }
1193     else
1194         SetLastError(ERROR_NOT_ENOUGH_MEMORY);
1195     return ret;
1196 }
1197
1198
1199 /**************************************************************************
1200  *           GetFileAttributesExW   (KERNEL32.@)
1201  */
1202 BOOL WINAPI GetFileAttributesExW( LPCWSTR name, GET_FILEEX_INFO_LEVELS level, LPVOID ptr )
1203 {
1204     FILE_NETWORK_OPEN_INFORMATION info;
1205     WIN32_FILE_ATTRIBUTE_DATA *data = ptr;
1206     UNICODE_STRING nt_name;
1207     OBJECT_ATTRIBUTES attr;
1208     NTSTATUS status;
1209
1210     if (level != GetFileExInfoStandard)
1211     {
1212         SetLastError( ERROR_INVALID_PARAMETER );
1213         return FALSE;
1214     }
1215
1216     if (!RtlDosPathNameToNtPathName_U( name, &nt_name, NULL, NULL ))
1217     {
1218         SetLastError( ERROR_PATH_NOT_FOUND );
1219         return FALSE;
1220     }
1221
1222     attr.Length = sizeof(attr);
1223     attr.RootDirectory = 0;
1224     attr.Attributes = OBJ_CASE_INSENSITIVE;
1225     attr.ObjectName = &nt_name;
1226     attr.SecurityDescriptor = NULL;
1227     attr.SecurityQualityOfService = NULL;
1228
1229     status = NtQueryFullAttributesFile( &attr, &info );
1230     RtlFreeUnicodeString( &nt_name );
1231
1232     if (status != STATUS_SUCCESS)
1233     {
1234         SetLastError( RtlNtStatusToDosError(status) );
1235         return FALSE;
1236     }
1237
1238     data->dwFileAttributes = info.FileAttributes;
1239     data->ftCreationTime.dwLowDateTime    = info.CreationTime.u.LowPart;
1240     data->ftCreationTime.dwHighDateTime   = info.CreationTime.u.HighPart;
1241     data->ftLastAccessTime.dwLowDateTime  = info.LastAccessTime.u.LowPart;
1242     data->ftLastAccessTime.dwHighDateTime = info.LastAccessTime.u.HighPart;
1243     data->ftLastWriteTime.dwLowDateTime   = info.LastWriteTime.u.LowPart;
1244     data->ftLastWriteTime.dwHighDateTime  = info.LastWriteTime.u.HighPart;
1245     data->nFileSizeLow                    = info.EndOfFile.u.LowPart;
1246     data->nFileSizeHigh                   = info.EndOfFile.u.HighPart;
1247     return TRUE;
1248 }
1249
1250
1251 /**************************************************************************
1252  *           GetFileAttributesExA   (KERNEL32.@)
1253  */
1254 BOOL WINAPI GetFileAttributesExA( LPCSTR name, GET_FILEEX_INFO_LEVELS level, LPVOID ptr )
1255 {
1256     UNICODE_STRING filenameW;
1257     BOOL ret = FALSE;
1258
1259     if (!name)
1260     {
1261         SetLastError(ERROR_INVALID_PARAMETER);
1262         return FALSE;
1263     }
1264
1265     if (RtlCreateUnicodeStringFromAsciiz(&filenameW, name))
1266     {
1267         ret = GetFileAttributesExW(filenameW.Buffer, level, ptr);
1268         RtlFreeUnicodeString(&filenameW);
1269     }
1270     else
1271         SetLastError(ERROR_NOT_ENOUGH_MEMORY);
1272     return ret;
1273 }
1274
1275
1276 /******************************************************************************
1277  *           GetCompressedFileSizeW   (KERNEL32.@)
1278  *
1279  * RETURNS
1280  *    Success: Low-order doubleword of number of bytes
1281  *    Failure: INVALID_FILE_SIZE
1282  */
1283 DWORD WINAPI GetCompressedFileSizeW(
1284     LPCWSTR name,       /* [in]  Pointer to name of file */
1285     LPDWORD size_high ) /* [out] Receives high-order doubleword of size */
1286 {
1287     UNICODE_STRING nt_name;
1288     OBJECT_ATTRIBUTES attr;
1289     IO_STATUS_BLOCK io;
1290     NTSTATUS status;
1291     HANDLE handle;
1292     DWORD ret = INVALID_FILE_SIZE;
1293
1294     if (!RtlDosPathNameToNtPathName_U( name, &nt_name, NULL, NULL ))
1295     {
1296         SetLastError( ERROR_PATH_NOT_FOUND );
1297         return INVALID_FILE_SIZE;
1298     }
1299
1300     attr.Length = sizeof(attr);
1301     attr.RootDirectory = 0;
1302     attr.Attributes = OBJ_CASE_INSENSITIVE;
1303     attr.ObjectName = &nt_name;
1304     attr.SecurityDescriptor = NULL;
1305     attr.SecurityQualityOfService = NULL;
1306
1307     status = NtOpenFile( &handle, 0, &attr, &io, 0, FILE_SYNCHRONOUS_IO_NONALERT );
1308     RtlFreeUnicodeString( &nt_name );
1309
1310     if (status == STATUS_SUCCESS)
1311     {
1312         /* we don't support compressed files, simply return the file size */
1313         ret = GetFileSize( handle, size_high );
1314         NtClose( handle );
1315     }
1316     else SetLastError( RtlNtStatusToDosError(status) );
1317
1318     return ret;
1319 }
1320
1321
1322 /******************************************************************************
1323  *           GetCompressedFileSizeA   (KERNEL32.@)
1324  */
1325 DWORD WINAPI GetCompressedFileSizeA( LPCSTR name, LPDWORD size_high )
1326 {
1327     UNICODE_STRING filenameW;
1328     DWORD ret;
1329
1330     if (RtlCreateUnicodeStringFromAsciiz(&filenameW, name))
1331     {
1332         ret = GetCompressedFileSizeW(filenameW.Buffer, size_high);
1333         RtlFreeUnicodeString(&filenameW);
1334     }
1335     else
1336     {
1337         ret = INVALID_FILE_SIZE;
1338         SetLastError(ERROR_NOT_ENOUGH_MEMORY);
1339     }
1340     return ret;
1341 }
1342
1343
1344 /***********************************************************************
1345  *           OpenFile   (KERNEL32.@)
1346  */
1347 HFILE WINAPI OpenFile( LPCSTR name, OFSTRUCT *ofs, UINT mode )
1348 {
1349     HANDLE handle;
1350     FILETIME filetime;
1351     WORD filedatetime[2];
1352
1353     if (!ofs) return HFILE_ERROR;
1354
1355     TRACE("%s %s %s %s%s%s%s%s%s%s%s%s\n",name,
1356           ((mode & 0x3 )==OF_READ)?"OF_READ":
1357           ((mode & 0x3 )==OF_WRITE)?"OF_WRITE":
1358           ((mode & 0x3 )==OF_READWRITE)?"OF_READWRITE":"unknown",
1359           ((mode & 0x70 )==OF_SHARE_COMPAT)?"OF_SHARE_COMPAT":
1360           ((mode & 0x70 )==OF_SHARE_DENY_NONE)?"OF_SHARE_DENY_NONE":
1361           ((mode & 0x70 )==OF_SHARE_DENY_READ)?"OF_SHARE_DENY_READ":
1362           ((mode & 0x70 )==OF_SHARE_DENY_WRITE)?"OF_SHARE_DENY_WRITE":
1363           ((mode & 0x70 )==OF_SHARE_EXCLUSIVE)?"OF_SHARE_EXCLUSIVE":"unknown",
1364           ((mode & OF_PARSE )==OF_PARSE)?"OF_PARSE ":"",
1365           ((mode & OF_DELETE )==OF_DELETE)?"OF_DELETE ":"",
1366           ((mode & OF_VERIFY )==OF_VERIFY)?"OF_VERIFY ":"",
1367           ((mode & OF_SEARCH )==OF_SEARCH)?"OF_SEARCH ":"",
1368           ((mode & OF_CANCEL )==OF_CANCEL)?"OF_CANCEL ":"",
1369           ((mode & OF_CREATE )==OF_CREATE)?"OF_CREATE ":"",
1370           ((mode & OF_PROMPT )==OF_PROMPT)?"OF_PROMPT ":"",
1371           ((mode & OF_EXIST )==OF_EXIST)?"OF_EXIST ":"",
1372           ((mode & OF_REOPEN )==OF_REOPEN)?"OF_REOPEN ":""
1373         );
1374
1375
1376     ofs->cBytes = sizeof(OFSTRUCT);
1377     ofs->nErrCode = 0;
1378     if (mode & OF_REOPEN) name = ofs->szPathName;
1379
1380     if (!name) return HFILE_ERROR;
1381
1382     TRACE("%s %04x\n", name, mode );
1383
1384     /* the watcom 10.6 IDE relies on a valid path returned in ofs->szPathName
1385        Are there any cases where getting the path here is wrong?
1386        Uwe Bonnes 1997 Apr 2 */
1387     if (!GetFullPathNameA( name, sizeof(ofs->szPathName), ofs->szPathName, NULL )) goto error;
1388
1389     /* OF_PARSE simply fills the structure */
1390
1391     if (mode & OF_PARSE)
1392     {
1393         ofs->fFixedDisk = (GetDriveTypeA( ofs->szPathName ) != DRIVE_REMOVABLE);
1394         TRACE("(%s): OF_PARSE, res = '%s'\n", name, ofs->szPathName );
1395         return 0;
1396     }
1397
1398     /* OF_CREATE is completely different from all other options, so
1399        handle it first */
1400
1401     if (mode & OF_CREATE)
1402     {
1403         DWORD access, sharing;
1404         FILE_ConvertOFMode( mode, &access, &sharing );
1405         if ((handle = CreateFileA( name, GENERIC_READ | GENERIC_WRITE,
1406                                    sharing, NULL, CREATE_ALWAYS,
1407                                    FILE_ATTRIBUTE_NORMAL, 0 )) == INVALID_HANDLE_VALUE)
1408             goto error;
1409     }
1410     else
1411     {
1412         /* Now look for the file */
1413
1414         if (!SearchPathA( NULL, name, NULL, sizeof(ofs->szPathName), ofs->szPathName, NULL ))
1415             goto error;
1416
1417         TRACE("found %s\n", debugstr_a(ofs->szPathName) );
1418
1419         if (mode & OF_DELETE)
1420         {
1421             if (!DeleteFileA( ofs->szPathName )) goto error;
1422             TRACE("(%s): OF_DELETE return = OK\n", name);
1423             return TRUE;
1424         }
1425
1426         handle = (HANDLE)_lopen( ofs->szPathName, mode );
1427         if (handle == INVALID_HANDLE_VALUE) goto error;
1428
1429         GetFileTime( handle, NULL, NULL, &filetime );
1430         FileTimeToDosDateTime( &filetime, &filedatetime[0], &filedatetime[1] );
1431         if ((mode & OF_VERIFY) && (mode & OF_REOPEN))
1432         {
1433             if (ofs->Reserved1 != filedatetime[0] || ofs->Reserved2 != filedatetime[1] )
1434             {
1435                 CloseHandle( handle );
1436                 WARN("(%s): OF_VERIFY failed\n", name );
1437                 /* FIXME: what error here? */
1438                 SetLastError( ERROR_FILE_NOT_FOUND );
1439                 goto error;
1440             }
1441         }
1442         ofs->Reserved1 = filedatetime[0];
1443         ofs->Reserved2 = filedatetime[1];
1444     }
1445     TRACE("(%s): OK, return = %p\n", name, handle );
1446     if (mode & OF_EXIST)  /* Return TRUE instead of a handle */
1447     {
1448         CloseHandle( handle );
1449         return TRUE;
1450     }
1451     else return (HFILE)handle;
1452
1453 error:  /* We get here if there was an error opening the file */
1454     ofs->nErrCode = GetLastError();
1455     WARN("(%s): return = HFILE_ERROR error= %d\n", name,ofs->nErrCode );
1456     return HFILE_ERROR;
1457 }