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

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