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 #include <stdio.h>
  27 #include <errno.h>
  28
  29 #define NONAMELESSUNION
  30 #define NONAMELESSSTRUCT
  31 #include "winerror.h"
  32 #include "ntstatus.h"
  33 #include "windef.h"
  34 #include "winbase.h"
  35 #include "winreg.h"
  36 #include "winternl.h"
  37 #include "winioctl.h"
  38 #include "wincon.h"
  39 #include "wine/winbase16.h"
  40 #include "kernel_private.h"
  41
  42 #include "wine/exception.h"
  43 #include "excpt.h"
  44 #include "wine/unicode.h"
  45 #include "wine/debug.h"
  46 #include "async.h"
  47
  48 WINE_DEFAULT_DEBUG_CHANNEL(file);
  49
  50 HANDLE dos_handles[DOS_TABLE_SIZE];
  51
  52 /* info structure for FindFirstFile handle */
  53 typedef struct
  54 {
  55     DWORD            magic;       /* magic number */
  56     HANDLE           handle;      /* handle to directory */
  57     CRITICAL_SECTION cs;          /* crit section protecting this structure */
  58     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 #define FIND_FIRST_MAGIC  0xc0ffee11
  66
  67 static BOOL oem_file_apis;
  68
  69 static WINE_EXCEPTION_FILTER(page_fault)
  70 {
  71     if (GetExceptionCode() == EXCEPTION_ACCESS_VIOLATION)
  72         return EXCEPTION_EXECUTE_HANDLER;
  73     return EXCEPTION_CONTINUE_SEARCH;
  74 }
  75
  76
  77 /***********************************************************************
  78  *              create_file_OF
  79  *
  80  * Wrapper for CreateFile that takes OF_* mode flags.
  81  */
  82 static HANDLE create_file_OF( LPCSTR path, INT mode )
  83 {
  84     DWORD access, sharing, creation;
  85
  86     if (mode & OF_CREATE)
  87     {
  88         creation = CREATE_ALWAYS;
  89         access = GENERIC_READ | GENERIC_WRITE;
  90     }
  91     else
  92     {
  93         creation = OPEN_EXISTING;
  94         switch(mode & 0x03)
  95         {
  96         case OF_READ:      access = GENERIC_READ; break;
  97         case OF_WRITE:     access = GENERIC_WRITE; break;
  98         case OF_READWRITE: access = GENERIC_READ | GENERIC_WRITE; break;
  99         default:           access = 0; break;
 100         }
 101     }
 102
 103     switch(mode & 0x70)
 104     {
 105     case OF_SHARE_EXCLUSIVE:  sharing = 0; break;
 106     case OF_SHARE_DENY_WRITE: sharing = FILE_SHARE_READ; break;
 107     case OF_SHARE_DENY_READ:  sharing = FILE_SHARE_WRITE; break;
 108     case OF_SHARE_DENY_NONE:
 109     case OF_SHARE_COMPAT:
 110     default:                  sharing = FILE_SHARE_READ | FILE_SHARE_WRITE; break;
 111     }
 112     return CreateFileA( path, access, sharing, NULL, creation, FILE_ATTRIBUTE_NORMAL, 0 );
 113 }
 114
 115
 116 /***********************************************************************
 117  *           FILE_SetDosError
 118  *
 119  * Set the DOS error code from errno.
 120  */
 121 void FILE_SetDosError(void)
 122 {
 123     int save_errno = errno; /* errno gets overwritten by printf */
 124
 125     TRACE("errno = %d %s\n", errno, strerror(errno));
 126     switch (save_errno)
 127     {
 128     case EAGAIN:
 129         SetLastError( ERROR_SHARING_VIOLATION );
 130         break;
 131     case EBADF:
 132         SetLastError( ERROR_INVALID_HANDLE );
 133         break;
 134     case ENOSPC:
 135         SetLastError( ERROR_HANDLE_DISK_FULL );
 136         break;
 137     case EACCES:
 138     case EPERM:
 139     case EROFS:
 140         SetLastError( ERROR_ACCESS_DENIED );
 141         break;
 142     case EBUSY:
 143         SetLastError( ERROR_LOCK_VIOLATION );
 144         break;
 145     case ENOENT:
 146         SetLastError( ERROR_FILE_NOT_FOUND );
 147         break;
 148     case EISDIR:
 149         SetLastError( ERROR_CANNOT_MAKE );
 150         break;
 151     case ENFILE:
 152     case EMFILE:
 153         SetLastError( ERROR_TOO_MANY_OPEN_FILES );
 154         break;
 155     case EEXIST:
 156         SetLastError( ERROR_FILE_EXISTS );
 157         break;
 158     case EINVAL:
 159     case ESPIPE:
 160         SetLastError( ERROR_SEEK );
 161         break;
 162     case ENOTEMPTY:
 163         SetLastError( ERROR_DIR_NOT_EMPTY );
 164         break;
 165     case ENOEXEC:
 166         SetLastError( ERROR_BAD_FORMAT );
 167         break;
 168     case ENOTDIR:
 169         SetLastError( ERROR_PATH_NOT_FOUND );
 170         break;
 171     case EXDEV:
 172         SetLastError( ERROR_NOT_SAME_DEVICE );
 173         break;
 174     default:
 175         WARN("unknown file error: %s\n", strerror(save_errno) );
 176         SetLastError( ERROR_GEN_FAILURE );
 177         break;
 178     }
 179     errno = save_errno;
 180 }
 181
 182
 183 /***********************************************************************
 184  *           FILE_name_AtoW
 185  *
 186  * Convert a file name to Unicode, taking into account the OEM/Ansi API mode.
 187  *
 188  * If alloc is FALSE uses the TEB static buffer, so it can only be used when
 189  * there is no possibility for the function to do that twice, taking into
 190  * account any called function.
 191  */
 192 WCHAR *FILE_name_AtoW( LPCSTR name, BOOL alloc )
 193 {
 194     ANSI_STRING str;
 195     UNICODE_STRING strW, *pstrW;
 196     NTSTATUS status;
 197
 198     RtlInitAnsiString( &str, name );
 199     pstrW = alloc ? &strW : &NtCurrentTeb()->StaticUnicodeString;
 200     if (oem_file_apis)
 201         status = RtlOemStringToUnicodeString( pstrW, &str, alloc );
 202     else
 203         status = RtlAnsiStringToUnicodeString( pstrW, &str, alloc );
 204     if (status == STATUS_SUCCESS) return pstrW->Buffer;
 205
 206     if (status == STATUS_BUFFER_OVERFLOW)
 207         SetLastError( ERROR_FILENAME_EXCED_RANGE );
 208     else
 209         SetLastError( RtlNtStatusToDosError(status) );
 210     return NULL;
 211 }
 212
 213
 214 /***********************************************************************
 215  *           FILE_name_WtoA
 216  *
 217  * Convert a file name back to OEM/Ansi. Returns number of bytes copied.
 218  */
 219 DWORD FILE_name_WtoA( LPCWSTR src, INT srclen, LPSTR dest, INT destlen )
 220 {
 221     DWORD ret;
 222
 223     if (srclen < 0) srclen = strlenW( src ) + 1;
 224     if (oem_file_apis)
 225         RtlUnicodeToOemN( dest, destlen, &ret, src, srclen * sizeof(WCHAR) );
 226     else
 227         RtlUnicodeToMultiByteN( dest, destlen, &ret, src, srclen * sizeof(WCHAR) );
 228     return ret;
 229 }
 230
 231
 232 /**************************************************************************
 233  *              SetFileApisToOEM   (KERNEL32.@)
 234  */
 235 VOID WINAPI SetFileApisToOEM(void)
 236 {
 237     oem_file_apis = TRUE;
 238 }
 239
 240
 241 /**************************************************************************
 242  *              SetFileApisToANSI   (KERNEL32.@)
 243  */
 244 VOID WINAPI SetFileApisToANSI(void)
 245 {
 246     oem_file_apis = FALSE;
 247 }
 248
 249
 250 /******************************************************************************
 251  *              AreFileApisANSI   (KERNEL32.@)
 252  *
 253  *  Determines if file functions are using ANSI
 254  *
 255  * RETURNS
 256  *    TRUE:  Set of file functions is using ANSI code page
 257  *    FALSE: Set of file functions is using OEM code page
 258  */
 259 BOOL WINAPI AreFileApisANSI(void)
 260 {
 261     return !oem_file_apis;
 262 }
 263
 264
 265 /**************************************************************************
 266  *                      Operations on file handles                        *
 267  **************************************************************************/
 268
 269 /***********************************************************************
 270  *           FILE_InitProcessDosHandles
 271  *
 272  * Allocates the default DOS handles for a process. Called either by
 273  * Win32HandleToDosFileHandle below or by the DOSVM stuff.
 274  */
 275 static void FILE_InitProcessDosHandles( void )
 276 {
 277     static BOOL init_done /* = FALSE */;
 278     HANDLE cp = GetCurrentProcess();
 279
 280     if (init_done) return;
 281     init_done = TRUE;
 282     DuplicateHandle(cp, GetStdHandle(STD_INPUT_HANDLE), cp, &dos_handles[0],
 283                     0, TRUE, DUPLICATE_SAME_ACCESS);
 284     DuplicateHandle(cp, GetStdHandle(STD_OUTPUT_HANDLE), cp, &dos_handles[1],
 285                     0, TRUE, DUPLICATE_SAME_ACCESS);
 286     DuplicateHandle(cp, GetStdHandle(STD_ERROR_HANDLE), cp, &dos_handles[2],
 287                     0, TRUE, DUPLICATE_SAME_ACCESS);
 288     DuplicateHandle(cp, GetStdHandle(STD_ERROR_HANDLE), cp, &dos_handles[3],
 289                     0, TRUE, DUPLICATE_SAME_ACCESS);
 290     DuplicateHandle(cp, GetStdHandle(STD_ERROR_HANDLE), cp, &dos_handles[4],
 291                     0, TRUE, DUPLICATE_SAME_ACCESS);
 292 }
 293
 294
 295 /******************************************************************
 296  *              FILE_ReadWriteApc (internal)
 297  */
 298 static void WINAPI FILE_ReadWriteApc(void* apc_user, PIO_STATUS_BLOCK io_status, ULONG len)
 299 {
 300     LPOVERLAPPED_COMPLETION_ROUTINE  cr = (LPOVERLAPPED_COMPLETION_ROUTINE)apc_user;
 301
 302     cr(RtlNtStatusToDosError(io_status->u.Status), len, (LPOVERLAPPED)io_status);
 303 }
 304
 305
 306 /***********************************************************************
 307  *              ReadFileEx                (KERNEL32.@)
 308  */
 309 BOOL WINAPI ReadFileEx(HANDLE hFile, LPVOID buffer, DWORD bytesToRead,
 310                        LPOVERLAPPED overlapped,
 311                        LPOVERLAPPED_COMPLETION_ROUTINE lpCompletionRoutine)
 312 {
 313     LARGE_INTEGER       offset;
 314     NTSTATUS            status;
 315     PIO_STATUS_BLOCK    io_status;
 316
 317     TRACE("(hFile=%p, buffer=%p, bytes=%lu, ovl=%p, ovl_fn=%p)\n", hFile, buffer, bytesToRead, overlapped, lpCompletionRoutine);
 318
 319     if (!overlapped)
 320     {
 321         SetLastError(ERROR_INVALID_PARAMETER);
 322         return FALSE;
 323     }
 324
 325     offset.u.LowPart = overlapped->Offset;
 326     offset.u.HighPart = overlapped->OffsetHigh;
 327     io_status = (PIO_STATUS_BLOCK)overlapped;
 328     io_status->u.Status = STATUS_PENDING;
 329
 330     status = NtReadFile(hFile, NULL, FILE_ReadWriteApc, lpCompletionRoutine,
 331                         io_status, buffer, bytesToRead, &offset, NULL);
 332
 333     if (status)
 334     {
 335         SetLastError( RtlNtStatusToDosError(status) );
 336         return FALSE;
 337     }
 338     return TRUE;
 339 }
 340
 341
 342 /***********************************************************************
 343  *              ReadFile                (KERNEL32.@)
 344  */
 345 BOOL WINAPI ReadFile( HANDLE hFile, LPVOID buffer, DWORD bytesToRead,
 346                       LPDWORD bytesRead, LPOVERLAPPED overlapped )
 347 {
 348     LARGE_INTEGER       offset;
 349     PLARGE_INTEGER      poffset = NULL;
 350     IO_STATUS_BLOCK     iosb;
 351     PIO_STATUS_BLOCK    io_status = &iosb;
 352     HANDLE              hEvent = 0;
 353     NTSTATUS            status;
 354
 355     TRACE("%p %p %ld %p %p\n", hFile, buffer, bytesToRead,
 356           bytesRead, overlapped );
 357
 358     if (bytesRead) *bytesRead = 0;  /* Do this before anything else */
 359     if (!bytesToRead) return TRUE;
 360
 361     if (is_console_handle(hFile))
 362         return ReadConsoleA(hFile, buffer, bytesToRead, bytesRead, NULL);
 363
 364     if (overlapped != NULL)
 365     {
 366         offset.u.LowPart = overlapped->Offset;
 367         offset.u.HighPart = overlapped->OffsetHigh;
 368         poffset = &offset;
 369         hEvent = overlapped->hEvent;
 370         io_status = (PIO_STATUS_BLOCK)overlapped;
 371     }
 372     io_status->u.Status = STATUS_PENDING;
 373     io_status->Information = 0;
 374
 375     status = NtReadFile(hFile, hEvent, NULL, NULL, io_status, buffer, bytesToRead, poffset, NULL);
 376
 377     if (status != STATUS_PENDING && bytesRead)
 378         *bytesRead = io_status->Information;
 379
 380     if (status && status != STATUS_END_OF_FILE)
 381     {
 382         SetLastError( RtlNtStatusToDosError(status) );
 383         return FALSE;
 384     }
 385     return TRUE;
 386 }
 387
 388
 389 /***********************************************************************
 390  *              WriteFileEx                (KERNEL32.@)
 391  */
 392 BOOL WINAPI WriteFileEx(HANDLE hFile, LPCVOID buffer, DWORD bytesToWrite,
 393                         LPOVERLAPPED overlapped,
 394                         LPOVERLAPPED_COMPLETION_ROUTINE lpCompletionRoutine)
 395 {
 396     LARGE_INTEGER       offset;
 397     NTSTATUS            status;
 398     PIO_STATUS_BLOCK    io_status;
 399
 400     TRACE("%p %p %ld %p %p\n", hFile, buffer, bytesToWrite, overlapped, lpCompletionRoutine);
 401
 402     if (overlapped == NULL)
 403     {
 404         SetLastError(ERROR_INVALID_PARAMETER);
 405         return FALSE;
 406     }
 407     offset.u.LowPart = overlapped->Offset;
 408     offset.u.HighPart = overlapped->OffsetHigh;
 409
 410     io_status = (PIO_STATUS_BLOCK)overlapped;
 411     io_status->u.Status = STATUS_PENDING;
 412
 413     status = NtWriteFile(hFile, NULL, FILE_ReadWriteApc, lpCompletionRoutine,
 414                          io_status, buffer, bytesToWrite, &offset, NULL);
 415
 416     if (status) SetLastError( RtlNtStatusToDosError(status) );
 417     return !status;
 418 }
 419
 420
 421 /***********************************************************************
 422  *             WriteFile               (KERNEL32.@)
 423  */
 424 BOOL WINAPI WriteFile( HANDLE hFile, LPCVOID buffer, DWORD bytesToWrite,
 425                        LPDWORD bytesWritten, LPOVERLAPPED overlapped )
 426 {
 427     HANDLE hEvent = NULL;
 428     LARGE_INTEGER offset;
 429     PLARGE_INTEGER poffset = NULL;
 430     NTSTATUS status;
 431     IO_STATUS_BLOCK iosb;
 432     PIO_STATUS_BLOCK piosb = &iosb;
 433
 434     TRACE("%p %p %ld %p %p\n", hFile, buffer, bytesToWrite, bytesWritten, overlapped );
 435
 436     if (is_console_handle(hFile))
 437         return WriteConsoleA(hFile, buffer, bytesToWrite, bytesWritten, NULL);
 438
 439     if (overlapped)
 440     {
 441         offset.u.LowPart = overlapped->Offset;
 442         offset.u.HighPart = overlapped->OffsetHigh;
 443         poffset = &offset;
 444         hEvent = overlapped->hEvent;
 445         piosb = (PIO_STATUS_BLOCK)overlapped;
 446     }
 447     piosb->u.Status = STATUS_PENDING;
 448     piosb->Information = 0;
 449
 450     status = NtWriteFile(hFile, hEvent, NULL, NULL, piosb,
 451                          buffer, bytesToWrite, poffset, NULL);
 452
 453     if (status != STATUS_PENDING && bytesWritten)
 454         *bytesWritten = piosb->Information;
 455
 456     if (status)
 457     {
 458         SetLastError( RtlNtStatusToDosError(status) );
 459         return FALSE;
 460     }
 461     return TRUE;
 462 }
 463
 464
 465 /***********************************************************************
 466  *              GetOverlappedResult     (KERNEL32.@)
 467  *
 468  * Check the result of an Asynchronous data transfer from a file.
 469  *
 470  * Parameters
 471  *   HANDLE hFile                 [in] handle of file to check on
 472  *   LPOVERLAPPED lpOverlapped    [in/out] pointer to overlapped
 473  *   LPDWORD lpTransferred        [in/out] number of bytes transferred
 474  *   BOOL bWait                   [in] wait for the transfer to complete ?
 475  *
 476  * RETURNS
 477  *   TRUE on success
 478  *   FALSE on failure
 479  *
 480  *  If successful (and relevant) lpTransferred will hold the number of
 481  *   bytes transferred during the async operation.
 482  *
 483  * BUGS
 484  *
 485  * Currently only works for WaitCommEvent, ReadFile, WriteFile
 486  *   with communications ports.
 487  *
 488  */
 489 BOOL WINAPI GetOverlappedResult(HANDLE hFile, LPOVERLAPPED lpOverlapped,
 490                                 LPDWORD lpTransferred, BOOL bWait)
 491 {
 492     DWORD r = WAIT_OBJECT_0;
 493
 494     TRACE( "(%p %p %p %x)\n", hFile, lpOverlapped, lpTransferred, bWait );
 495
 496     if ( lpOverlapped == NULL )
 497     {
 498         ERR("lpOverlapped was null\n");
 499         return FALSE;
 500     }
 501     if ( bWait )
 502     {
 503         if ( lpOverlapped->hEvent )
 504         {
 505             do
 506             {
 507                 TRACE( "waiting on %p\n", lpOverlapped );
 508                 r = WaitForSingleObjectEx( lpOverlapped->hEvent, INFINITE, TRUE );
 509                 TRACE( "wait on %p returned %ld\n", lpOverlapped, r );
 510             } while ( r == WAIT_IO_COMPLETION );
 511         }
 512         else
 513         {
 514             /* busy loop */
 515             while ( (volatile DWORD)lpOverlapped->Internal == STATUS_PENDING )
 516                 Sleep( 10 );
 517         }
 518     }
 519     else if ( lpOverlapped->Internal == STATUS_PENDING )
 520     {
 521         /* Wait in order to give APCs a chance to run. */
 522         /* This is cheating, so we must set the event again in case of success -
 523            it may be a non-manual reset event. */
 524         do
 525         {
 526             TRACE( "waiting on %p\n", lpOverlapped );
 527             r = WaitForSingleObjectEx( lpOverlapped->hEvent, 0, TRUE );
 528             TRACE( "wait on %p returned %ld\n", lpOverlapped, r );
 529         } while ( r == WAIT_IO_COMPLETION );
 530         if ( r == WAIT_OBJECT_0 && lpOverlapped->hEvent )
 531             NtSetEvent( lpOverlapped->hEvent, NULL );
 532     }
 533     if ( r == WAIT_FAILED )
 534     {
 535         ERR("wait operation failed\n");
 536         return FALSE;
 537     }
 538     if (lpTransferred) *lpTransferred = lpOverlapped->InternalHigh;
 539
 540     switch ( lpOverlapped->Internal )
 541     {
 542     case STATUS_SUCCESS:
 543         return TRUE;
 544     case STATUS_PENDING:
 545         SetLastError( ERROR_IO_INCOMPLETE );
 546         if ( bWait ) ERR("PENDING status after waiting!\n");
 547         return FALSE;
 548     default:
 549         SetLastError( RtlNtStatusToDosError( lpOverlapped->Internal ) );
 550         return FALSE;
 551     }
 552 }
 553
 554 /***********************************************************************
 555  *             CancelIo                   (KERNEL32.@)
 556  */
 557 BOOL WINAPI CancelIo(HANDLE handle)
 558 {
 559     async_private *ovp,*t;
 560
 561     TRACE("handle = %p\n",handle);
 562
 563     for (ovp = NtCurrentTeb()->pending_list; ovp; ovp = t)
 564     {
 565         t = ovp->next;
 566         if ( ovp->handle == handle )
 567              cancel_async ( ovp );
 568     }
 569     SleepEx(1,TRUE);
 570     return TRUE;
 571 }
 572
 573 /***********************************************************************
 574  *           _hread   (KERNEL32.@)
 575  */
 576 LONG WINAPI _hread( HFILE hFile, LPVOID buffer, LONG count)
 577 {
 578     return _lread( hFile, buffer, count );
 579 }
 580
 581
 582 /***********************************************************************
 583  *           _hwrite   (KERNEL32.@)
 584  *
 585  *      experimentation yields that _lwrite:
 586  *              o truncates the file at the current position with
 587  *                a 0 len write
 588  *              o returns 0 on a 0 length write
 589  *              o works with console handles
 590  *
 591  */
 592 LONG WINAPI _hwrite( HFILE handle, LPCSTR buffer, LONG count )
 593 {
 594     DWORD result;
 595
 596     TRACE("%d %p %ld\n", handle, buffer, count );
 597
 598     if (!count)
 599     {
 600         /* Expand or truncate at current position */
 601         if (!SetEndOfFile( (HANDLE)handle )) return HFILE_ERROR;
 602         return 0;
 603     }
 604     if (!WriteFile( (HANDLE)handle, buffer, count, &result, NULL ))
 605         return HFILE_ERROR;
 606     return result;
 607 }
 608
 609
 610 /***********************************************************************
 611  *           _lclose   (KERNEL32.@)
 612  */
 613 HFILE WINAPI _lclose( HFILE hFile )
 614 {
 615     TRACE("handle %d\n", hFile );
 616     return CloseHandle( (HANDLE)hFile ) ? 0 : HFILE_ERROR;
 617 }
 618
 619
 620 /***********************************************************************
 621  *           _lcreat   (KERNEL32.@)
 622  */
 623 HFILE WINAPI _lcreat( LPCSTR path, INT attr )
 624 {
 625     /* Mask off all flags not explicitly allowed by the doc */
 626     attr &= FILE_ATTRIBUTE_READONLY | FILE_ATTRIBUTE_HIDDEN | FILE_ATTRIBUTE_SYSTEM;
 627     TRACE("%s %02x\n", path, attr );
 628     return (HFILE)CreateFileA( path, GENERIC_READ | GENERIC_WRITE,
 629                                FILE_SHARE_READ | FILE_SHARE_WRITE, NULL,
 630                                CREATE_ALWAYS, attr, 0 );
 631 }
 632
 633
 634 /***********************************************************************
 635  *           _lopen   (KERNEL32.@)
 636  */
 637 HFILE WINAPI _lopen( LPCSTR path, INT mode )
 638 {
 639     TRACE("(%s,%04x)\n", debugstr_a(path), mode );
 640     return (HFILE)create_file_OF( path, mode & ~OF_CREATE );
 641 }
 642
 643 /***********************************************************************
 644  *           _lread   (KERNEL32.@)
 645  */
 646 UINT WINAPI _lread( HFILE handle, LPVOID buffer, UINT count )
 647 {
 648     DWORD result;
 649     if (!ReadFile( (HANDLE)handle, buffer, count, &result, NULL ))
 650         return HFILE_ERROR;
 651     return result;
 652 }
 653
 654
 655 /***********************************************************************
 656  *           _llseek   (KERNEL32.@)
 657  */
 658 LONG WINAPI _llseek( HFILE hFile, LONG lOffset, INT nOrigin )
 659 {
 660     return SetFilePointer( (HANDLE)hFile, lOffset, NULL, nOrigin );
 661 }
 662
 663
 664 /***********************************************************************
 665  *           _lwrite   (KERNEL32.@)
 666  */
 667 UINT WINAPI _lwrite( HFILE hFile, LPCSTR buffer, UINT count )
 668 {
 669     return (UINT)_hwrite( hFile, buffer, (LONG)count );
 670 }
 671
 672
 673 /***********************************************************************
 674  *           FlushFileBuffers   (KERNEL32.@)
 675  */
 676 BOOL WINAPI FlushFileBuffers( HANDLE hFile )
 677 {
 678     NTSTATUS            nts;
 679     IO_STATUS_BLOCK     ioblk;
 680
 681     if (is_console_handle( hFile ))
 682     {
 683         /* this will fail (as expected) for an output handle */
 684         /* FIXME: wait until FlushFileBuffers is moved to dll/kernel */
 685         /* return FlushConsoleInputBuffer( hFile ); */
 686         return TRUE;
 687     }
 688     nts = NtFlushBuffersFile( hFile, &ioblk );
 689     if (nts != STATUS_SUCCESS)
 690     {
 691         SetLastError( RtlNtStatusToDosError( nts ) );
 692         return FALSE;
 693     }
 694
 695     return TRUE;
 696 }
 697
 698
 699 /***********************************************************************
 700  *           GetFileType   (KERNEL32.@)
 701  */
 702 DWORD WINAPI GetFileType( HANDLE hFile )
 703 {
 704     FILE_FS_DEVICE_INFORMATION info;
 705     IO_STATUS_BLOCK io;
 706     NTSTATUS status;
 707
 708     if (is_console_handle( hFile )) return FILE_TYPE_CHAR;
 709
 710     status = NtQueryVolumeInformationFile( hFile, &io, &info, sizeof(info), FileFsDeviceInformation );
 711     if (status != STATUS_SUCCESS)
 712     {
 713         SetLastError( RtlNtStatusToDosError(status) );
 714         return FILE_TYPE_UNKNOWN;
 715     }
 716
 717     switch(info.DeviceType)
 718     {
 719     case FILE_DEVICE_NULL:
 720     case FILE_DEVICE_SERIAL_PORT:
 721     case FILE_DEVICE_PARALLEL_PORT:
 722     case FILE_DEVICE_UNKNOWN:
 723         return FILE_TYPE_CHAR;
 724     case FILE_DEVICE_NAMED_PIPE:
 725         return FILE_TYPE_PIPE;
 726     default:
 727         return FILE_TYPE_DISK;
 728     }
 729 }
 730
 731
 732 /***********************************************************************
 733  *             GetFileInformationByHandle   (KERNEL32.@)
 734  */
 735 BOOL WINAPI GetFileInformationByHandle( HANDLE hFile, BY_HANDLE_FILE_INFORMATION *info )
 736 {
 737     FILE_ALL_INFORMATION all_info;
 738     IO_STATUS_BLOCK io;
 739     NTSTATUS status;
 740
 741     status = NtQueryInformationFile( hFile, &io, &all_info, sizeof(all_info), FileAllInformation );
 742     if (status == STATUS_SUCCESS)
 743     {
 744         info->dwFileAttributes                = all_info.BasicInformation.FileAttributes;
 745         info->ftCreationTime.dwHighDateTime   = all_info.BasicInformation.CreationTime.u.HighPart;
 746         info->ftCreationTime.dwLowDateTime    = all_info.BasicInformation.CreationTime.u.LowPart;
 747         info->ftLastAccessTime.dwHighDateTime = all_info.BasicInformation.LastAccessTime.u.HighPart;
 748         info->ftLastAccessTime.dwLowDateTime  = all_info.BasicInformation.LastAccessTime.u.LowPart;
 749         info->ftLastWriteTime.dwHighDateTime  = all_info.BasicInformation.LastWriteTime.u.HighPart;
 750         info->ftLastWriteTime.dwLowDateTime   = all_info.BasicInformation.LastWriteTime.u.LowPart;
 751         info->dwVolumeSerialNumber            = 0;  /* FIXME */
 752         info->nFileSizeHigh                   = all_info.StandardInformation.EndOfFile.u.HighPart;
 753         info->nFileSizeLow                    = all_info.StandardInformation.EndOfFile.u.LowPart;
 754         info->nNumberOfLinks                  = all_info.StandardInformation.NumberOfLinks;
 755         info->nFileIndexHigh                  = all_info.InternalInformation.IndexNumber.u.HighPart;
 756         info->nFileIndexLow                   = all_info.InternalInformation.IndexNumber.u.LowPart;
 757         return TRUE;
 758     }
 759     SetLastError( RtlNtStatusToDosError(status) );
 760     return FALSE;
 761 }
 762
 763
 764 /***********************************************************************
 765  *           GetFileSize   (KERNEL32.@)
 766  */
 767 DWORD WINAPI GetFileSize( HANDLE hFile, LPDWORD filesizehigh )
 768 {
 769     LARGE_INTEGER size;
 770     if (!GetFileSizeEx( hFile, &size )) return INVALID_FILE_SIZE;
 771     if (filesizehigh) *filesizehigh = size.u.HighPart;
 772     if (size.u.LowPart == INVALID_FILE_SIZE) SetLastError(0);
 773     return size.u.LowPart;
 774 }
 775
 776
 777 /***********************************************************************
 778  *           GetFileSizeEx   (KERNEL32.@)
 779  */
 780 BOOL WINAPI GetFileSizeEx( HANDLE hFile, PLARGE_INTEGER lpFileSize )
 781 {
 782     FILE_END_OF_FILE_INFORMATION info;
 783     IO_STATUS_BLOCK io;
 784     NTSTATUS status;
 785
 786     status = NtQueryInformationFile( hFile, &io, &info, sizeof(info), FileEndOfFileInformation );
 787     if (status == STATUS_SUCCESS)
 788     {
 789         *lpFileSize = info.EndOfFile;
 790         return TRUE;
 791     }
 792     SetLastError( RtlNtStatusToDosError(status) );
 793     return FALSE;
 794 }
 795
 796
 797 /**************************************************************************
 798  *           SetEndOfFile   (KERNEL32.@)
 799  */
 800 BOOL WINAPI SetEndOfFile( HANDLE hFile )
 801 {
 802     FILE_POSITION_INFORMATION pos;
 803     FILE_END_OF_FILE_INFORMATION eof;
 804     IO_STATUS_BLOCK io;
 805     NTSTATUS status;
 806
 807     status = NtQueryInformationFile( hFile, &io, &pos, sizeof(pos), FilePositionInformation );
 808     if (status == STATUS_SUCCESS)
 809     {
 810         eof.EndOfFile = pos.CurrentByteOffset;
 811         status = NtSetInformationFile( hFile, &io, &eof, sizeof(eof), FileEndOfFileInformation );
 812     }
 813     if (status == STATUS_SUCCESS) return TRUE;
 814     SetLastError( RtlNtStatusToDosError(status) );
 815     return FALSE;
 816 }
 817
 818
 819 /***********************************************************************
 820  *           SetFilePointer   (KERNEL32.@)
 821  */
 822 DWORD WINAPI SetFilePointer( HANDLE hFile, LONG distance, LONG *highword, DWORD method )
 823 {
 824     LARGE_INTEGER dist, newpos;
 825
 826     if (highword)
 827     {
 828         dist.u.LowPart  = distance;
 829         dist.u.HighPart = *highword;
 830     }
 831     else dist.QuadPart = distance;
 832
 833     if (!SetFilePointerEx( hFile, dist, &newpos, method )) return INVALID_SET_FILE_POINTER;
 834
 835     if (highword) *highword = newpos.u.HighPart;
 836     if (newpos.u.LowPart == INVALID_SET_FILE_POINTER) SetLastError( 0 );
 837     return newpos.u.LowPart;
 838 }
 839
 840
 841 /***********************************************************************
 842  *           SetFilePointerEx   (KERNEL32.@)
 843  */
 844 BOOL WINAPI SetFilePointerEx( HANDLE hFile, LARGE_INTEGER distance,
 845                               LARGE_INTEGER *newpos, DWORD method )
 846 {
 847     static const int whence[3] = { SEEK_SET, SEEK_CUR, SEEK_END };
 848     BOOL ret = FALSE;
 849     NTSTATUS status;
 850     int fd;
 851
 852     TRACE("handle %p offset %s newpos %p origin %ld\n",
 853           hFile, wine_dbgstr_longlong(distance.QuadPart), newpos, method );
 854
 855     if (method > FILE_END)
 856     {
 857         SetLastError( ERROR_INVALID_PARAMETER );
 858         return ret;
 859     }
 860
 861     if (!(status = wine_server_handle_to_fd( hFile, 0, &fd, NULL )))
 862     {
 863         off_t pos, res;
 864
 865         pos = distance.QuadPart;
 866         if ((res = lseek( fd, pos, whence[method] )) == (off_t)-1)
 867         {
 868             /* also check EPERM due to SuSE7 2.2.16 lseek() EPERM kernel bug */
 869             if (((errno == EINVAL) || (errno == EPERM)) && (method != FILE_BEGIN) && (pos < 0))
 870                 SetLastError( ERROR_NEGATIVE_SEEK );
 871             else
 872                 FILE_SetDosError();
 873         }
 874         else
 875         {
 876             ret = TRUE;
 877             if( newpos )
 878                 newpos->QuadPart = res;
 879         }
 880         wine_server_release_fd( hFile, fd );
 881     }
 882     else SetLastError( RtlNtStatusToDosError(status) );
 883
 884     return ret;
 885 }
 886
 887 /***********************************************************************
 888  *           GetFileTime   (KERNEL32.@)
 889  */
 890 BOOL WINAPI GetFileTime( HANDLE hFile, FILETIME *lpCreationTime,
 891                          FILETIME *lpLastAccessTime, FILETIME *lpLastWriteTime )
 892 {
 893     FILE_BASIC_INFORMATION info;
 894     IO_STATUS_BLOCK io;
 895     NTSTATUS status;
 896
 897     status = NtQueryInformationFile( hFile, &io, &info, sizeof(info), FileBasicInformation );
 898     if (status == STATUS_SUCCESS)
 899     {
 900         if (lpCreationTime)
 901         {
 902             lpCreationTime->dwHighDateTime = info.CreationTime.u.HighPart;
 903             lpCreationTime->dwLowDateTime  = info.CreationTime.u.LowPart;
 904         }
 905         if (lpLastAccessTime)
 906         {
 907             lpLastAccessTime->dwHighDateTime = info.LastAccessTime.u.HighPart;
 908             lpLastAccessTime->dwLowDateTime  = info.LastAccessTime.u.LowPart;
 909         }
 910         if (lpLastWriteTime)
 911         {
 912             lpLastWriteTime->dwHighDateTime = info.LastWriteTime.u.HighPart;
 913             lpLastWriteTime->dwLowDateTime  = info.LastWriteTime.u.LowPart;
 914         }
 915         return TRUE;
 916     }
 917     SetLastError( RtlNtStatusToDosError(status) );
 918     return FALSE;
 919 }
 920
 921
 922 /***********************************************************************
 923  *              SetFileTime   (KERNEL32.@)
 924  */
 925 BOOL WINAPI SetFileTime( HANDLE hFile, const FILETIME *ctime,
 926                          const FILETIME *atime, const FILETIME *mtime )
 927 {
 928     FILE_BASIC_INFORMATION info;
 929     IO_STATUS_BLOCK io;
 930     NTSTATUS status;
 931
 932     memset( &info, 0, sizeof(info) );
 933     if (ctime)
 934     {
 935         info.CreationTime.u.HighPart = ctime->dwHighDateTime;
 936         info.CreationTime.u.LowPart  = ctime->dwLowDateTime;
 937     }
 938     if (atime)
 939     {
 940         info.LastAccessTime.u.HighPart = atime->dwHighDateTime;
 941         info.LastAccessTime.u.LowPart  = atime->dwLowDateTime;
 942     }
 943     if (mtime)
 944     {
 945         info.LastWriteTime.u.HighPart = mtime->dwHighDateTime;
 946         info.LastWriteTime.u.LowPart  = mtime->dwLowDateTime;
 947     }
 948
 949     status = NtSetInformationFile( hFile, &io, &info, sizeof(info), FileBasicInformation );
 950     if (status == STATUS_SUCCESS) return TRUE;
 951     SetLastError( RtlNtStatusToDosError(status) );
 952     return FALSE;
 953 }
 954
 955
 956 /**************************************************************************
 957  *           LockFile   (KERNEL32.@)
 958  */
 959 BOOL WINAPI LockFile( HANDLE hFile, DWORD offset_low, DWORD offset_high,
 960                       DWORD count_low, DWORD count_high )
 961 {
 962     NTSTATUS            status;
 963     LARGE_INTEGER       count, offset;
 964
 965     TRACE( "%p %lx%08lx %lx%08lx\n",
 966            hFile, offset_high, offset_low, count_high, count_low );
 967
 968     count.u.LowPart = count_low;
 969     count.u.HighPart = count_high;
 970     offset.u.LowPart = offset_low;
 971     offset.u.HighPart = offset_high;
 972
 973     status = NtLockFile( hFile, 0, NULL, NULL,
 974                          NULL, &offset, &count, NULL, TRUE, TRUE );
 975
 976     if (status != STATUS_SUCCESS) SetLastError( RtlNtStatusToDosError(status) );
 977     return !status;
 978 }
 979
 980
 981 /**************************************************************************
 982  * LockFileEx [KERNEL32.@]
 983  *
 984  * Locks a byte range within an open file for shared or exclusive access.
 985  *
 986  * RETURNS
 987  *   success: TRUE
 988  *   failure: FALSE
 989  *
 990  * NOTES
 991  * Per Microsoft docs, the third parameter (reserved) must be set to 0.
 992  */
 993 BOOL WINAPI LockFileEx( HANDLE hFile, DWORD flags, DWORD reserved,
 994                         DWORD count_low, DWORD count_high, LPOVERLAPPED overlapped )
 995 {
 996     NTSTATUS status;
 997     LARGE_INTEGER count, offset;
 998
 999     if (reserved)
1000     {
1001         SetLastError( ERROR_INVALID_PARAMETER );
1002         return FALSE;
1003     }
1004
1005     TRACE( "%p %lx%08lx %lx%08lx flags %lx\n",
1006            hFile, overlapped->OffsetHigh, overlapped->Offset,
1007            count_high, count_low, flags );
1008
1009     count.u.LowPart = count_low;
1010     count.u.HighPart = count_high;
1011     offset.u.LowPart = overlapped->Offset;
1012     offset.u.HighPart = overlapped->OffsetHigh;
1013
1014     status = NtLockFile( hFile, overlapped->hEvent, NULL, NULL,
1015                          NULL, &offset, &count, NULL,
1016                          flags & LOCKFILE_FAIL_IMMEDIATELY,
1017                          flags & LOCKFILE_EXCLUSIVE_LOCK );
1018
1019     if (status) SetLastError( RtlNtStatusToDosError(status) );
1020     return !status;
1021 }
1022
1023
1024 /**************************************************************************
1025  *           UnlockFile   (KERNEL32.@)
1026  */
1027 BOOL WINAPI UnlockFile( HANDLE hFile, DWORD offset_low, DWORD offset_high,
1028                         DWORD count_low, DWORD count_high )
1029 {
1030     NTSTATUS    status;
1031     LARGE_INTEGER count, offset;
1032
1033     count.u.LowPart = count_low;
1034     count.u.HighPart = count_high;
1035     offset.u.LowPart = offset_low;
1036     offset.u.HighPart = offset_high;
1037
1038     status = NtUnlockFile( hFile, NULL, &offset, &count, NULL);
1039     if (status) SetLastError( RtlNtStatusToDosError(status) );
1040     return !status;
1041 }
1042
1043
1044 /**************************************************************************
1045  *           UnlockFileEx   (KERNEL32.@)
1046  */
1047 BOOL WINAPI UnlockFileEx( HANDLE hFile, DWORD reserved, DWORD count_low, DWORD count_high,
1048                           LPOVERLAPPED overlapped )
1049 {
1050     if (reserved)
1051     {
1052         SetLastError( ERROR_INVALID_PARAMETER );
1053         return FALSE;
1054     }
1055     if (overlapped->hEvent) FIXME("Unimplemented overlapped operation\n");
1056
1057     return UnlockFile( hFile, overlapped->Offset, overlapped->OffsetHigh, count_low, count_high );
1058 }
1059
1060
1061 /***********************************************************************
1062  *           Win32HandleToDosFileHandle   (KERNEL32.21)
1063  *
1064  * Allocate a DOS handle for a Win32 handle. The Win32 handle is no
1065  * longer valid after this function (even on failure).
1066  *
1067  * Note: this is not exactly right, since on Win95 the Win32 handles
1068  *       are on top of DOS handles and we do it the other way
1069  *       around. Should be good enough though.
1070  */
1071 HFILE WINAPI Win32HandleToDosFileHandle( HANDLE handle )
1072 {
1073     int i;
1074
1075     if (!handle || (handle == INVALID_HANDLE_VALUE))
1076         return HFILE_ERROR;
1077
1078     FILE_InitProcessDosHandles();
1079     for (i = 0; i < DOS_TABLE_SIZE; i++)
1080         if (!dos_handles[i])
1081         {
1082             dos_handles[i] = handle;
1083             TRACE("Got %d for h32 %p\n", i, handle );
1084             return (HFILE)i;
1085         }
1086     CloseHandle( handle );
1087     SetLastError( ERROR_TOO_MANY_OPEN_FILES );
1088     return HFILE_ERROR;
1089 }
1090
1091
1092 /***********************************************************************
1093  *           DosFileHandleToWin32Handle   (KERNEL32.20)
1094  *
1095  * Return the Win32 handle for a DOS handle.
1096  *
1097  * Note: this is not exactly right, since on Win95 the Win32 handles
1098  *       are on top of DOS handles and we do it the other way
1099  *       around. Should be good enough though.
1100  */
1101 HANDLE WINAPI DosFileHandleToWin32Handle( HFILE handle )
1102 {
1103     HFILE16 hfile = (HFILE16)handle;
1104     if (hfile < 5) FILE_InitProcessDosHandles();
1105     if ((hfile >= DOS_TABLE_SIZE) || !dos_handles[hfile])
1106     {
1107         SetLastError( ERROR_INVALID_HANDLE );
1108         return INVALID_HANDLE_VALUE;
1109     }
1110     return dos_handles[hfile];
1111 }
1112
1113
1114 /*************************************************************************
1115  *           SetHandleCount   (KERNEL32.@)
1116  */
1117 UINT WINAPI SetHandleCount( UINT count )
1118 {
1119     return min( 256, count );
1120 }
1121
1122
1123 /***********************************************************************
1124  *           DisposeLZ32Handle   (KERNEL32.22)
1125  *
1126  * Note: this is not entirely correct, we should only close the
1127  *       32-bit handle and not the 16-bit one, but we cannot do
1128  *       this because of the way our DOS handles are implemented.
1129  *       It shouldn't break anything though.
1130  */
1131 void WINAPI DisposeLZ32Handle( HANDLE handle )
1132 {
1133     int i;
1134
1135     if (!handle || (handle == INVALID_HANDLE_VALUE)) return;
1136
1137     for (i = 5; i < DOS_TABLE_SIZE; i++)
1138         if (dos_handles[i] == handle)
1139         {
1140             dos_handles[i] = 0;
1141             CloseHandle( handle );
1142             break;
1143         }
1144 }
1145
1146 /**************************************************************************
1147  *                      Operations on file names                          *
1148  **************************************************************************/
1149
1150
1151 /*************************************************************************
1152  * CreateFileW [KERNEL32.@]  Creates or opens a file or other object
1153  *
1154  * Creates or opens an object, and returns a handle that can be used to
1155  * access that object.
1156  *
1157  * PARAMS
1158  *
1159  * filename     [in] pointer to filename to be accessed
1160  * access       [in] access mode requested
1161  * sharing      [in] share mode
1162  * sa           [in] pointer to security attributes
1163  * creation     [in] how to create the file
1164  * attributes   [in] attributes for newly created file
1165  * template     [in] handle to file with extended attributes to copy
1166  *
1167  * RETURNS
1168  *   Success: Open handle to specified file
1169  *   Failure: INVALID_HANDLE_VALUE
1170  */
1171 HANDLE WINAPI CreateFileW( LPCWSTR filename, DWORD access, DWORD sharing,
1172                               LPSECURITY_ATTRIBUTES sa, DWORD creation,
1173                               DWORD attributes, HANDLE template )
1174 {
1175     NTSTATUS status;
1176     UINT options;
1177     OBJECT_ATTRIBUTES attr;
1178     UNICODE_STRING nameW;
1179     IO_STATUS_BLOCK io;
1180     HANDLE ret;
1181     DWORD dosdev;
1182     static const WCHAR bkslashes_with_dotW[] = {'\\','\\','.','\\',0};
1183     static const WCHAR coninW[] = {'C','O','N','I','N','$',0};
1184     static const WCHAR conoutW[] = {'C','O','N','O','U','T','$',0};
1185
1186     static const char * const creation_name[5] =
1187         { "CREATE_NEW", "CREATE_ALWAYS", "OPEN_EXISTING", "OPEN_ALWAYS", "TRUNCATE_EXISTING" };
1188
1189     static const UINT nt_disposition[5] =
1190     {
1191         FILE_CREATE,        /* CREATE_NEW */
1192         FILE_OVERWRITE_IF,  /* CREATE_ALWAYS */
1193         FILE_OPEN,          /* OPEN_EXISTING */
1194         FILE_OPEN_IF,       /* OPEN_ALWAYS */
1195         FILE_OVERWRITE      /* TRUNCATE_EXISTING */
1196     };
1197
1198
1199     /* sanity checks */
1200
1201     if (!filename || !filename[0])
1202     {
1203         SetLastError( ERROR_PATH_NOT_FOUND );
1204         return INVALID_HANDLE_VALUE;
1205     }
1206
1207     if (creation < CREATE_NEW || creation > TRUNCATE_EXISTING)
1208     {
1209         SetLastError( ERROR_INVALID_PARAMETER );
1210         return INVALID_HANDLE_VALUE;
1211     }
1212
1213     TRACE("%s %s%s%s%s%s%s%s attributes 0x%lx\n", debugstr_w(filename),
1214           (access & GENERIC_READ)?"GENERIC_READ ":"",
1215           (access & GENERIC_WRITE)?"GENERIC_WRITE ":"",
1216           (!access)?"QUERY_ACCESS ":"",
1217           (sharing & FILE_SHARE_READ)?"FILE_SHARE_READ ":"",
1218           (sharing & FILE_SHARE_WRITE)?"FILE_SHARE_WRITE ":"",
1219           (sharing & FILE_SHARE_DELETE)?"FILE_SHARE_DELETE ":"",
1220           creation_name[creation - CREATE_NEW], attributes);
1221
1222     /* Open a console for CONIN$ or CONOUT$ */
1223
1224     if (!strcmpiW(filename, coninW) || !strcmpiW(filename, conoutW))
1225     {
1226         ret = OpenConsoleW(filename, access, (sa && sa->bInheritHandle), creation);
1227         goto done;
1228     }
1229
1230     if (!strncmpW(filename, bkslashes_with_dotW, 4))
1231     {
1232         static const WCHAR pipeW[] = {'P','I','P','E','\\',0};
1233
1234         if ((isalphaW(filename[4]) && filename[5] == ':' && filename[6] == '\0') ||
1235             !strncmpiW( filename + 4, pipeW, 5 ))
1236         {
1237             dosdev = 0;
1238         }
1239         else if ((dosdev = RtlIsDosDeviceName_U( filename + 4 )))
1240         {
1241             dosdev += MAKELONG( 0, 4*sizeof(WCHAR) );  /* adjust position to start of filename */
1242         }
1243         else if (filename[4])
1244         {
1245             ret = VXD_Open( filename+4, access, sa );
1246             goto done;
1247         }
1248         else
1249         {
1250             SetLastError( ERROR_INVALID_NAME );
1251             return INVALID_HANDLE_VALUE;
1252         }
1253     }
1254     else dosdev = RtlIsDosDeviceName_U( filename );
1255
1256     if (dosdev)
1257     {
1258         static const WCHAR conW[] = {'C','O','N'};
1259
1260         if (LOWORD(dosdev) == sizeof(conW) &&
1261             !memicmpW( filename + HIWORD(dosdev)/sizeof(WCHAR), conW, sizeof(conW)))
1262         {
1263             switch (access & (GENERIC_READ|GENERIC_WRITE))
1264             {
1265             case GENERIC_READ:
1266                 ret = OpenConsoleW(coninW, access, (sa && sa->bInheritHandle), creation);
1267                 goto done;
1268             case GENERIC_WRITE:
1269                 ret = OpenConsoleW(conoutW, access, (sa && sa->bInheritHandle), creation);
1270                 goto done;
1271             default:
1272                 SetLastError( ERROR_FILE_NOT_FOUND );
1273                 return INVALID_HANDLE_VALUE;
1274             }
1275         }
1276     }
1277
1278     if (!RtlDosPathNameToNtPathName_U( filename, &nameW, NULL, NULL ))
1279     {
1280         SetLastError( ERROR_PATH_NOT_FOUND );
1281         return INVALID_HANDLE_VALUE;
1282     }
1283
1284     /* now call NtCreateFile */
1285
1286     options = 0;
1287     if (attributes & FILE_FLAG_BACKUP_SEMANTICS)
1288         options |= FILE_OPEN_FOR_BACKUP_INTENT;
1289     else
1290         options |= FILE_NON_DIRECTORY_FILE;
1291     if (attributes & FILE_FLAG_DELETE_ON_CLOSE)
1292         options |= FILE_DELETE_ON_CLOSE;
1293     if (!(attributes & FILE_FLAG_OVERLAPPED))
1294         options |= FILE_SYNCHRONOUS_IO_ALERT;
1295     if (attributes & FILE_FLAG_RANDOM_ACCESS)
1296         options |= FILE_RANDOM_ACCESS;
1297     attributes &= FILE_ATTRIBUTE_VALID_FLAGS;
1298
1299     attr.Length = sizeof(attr);
1300     attr.RootDirectory = 0;
1301     attr.Attributes = OBJ_CASE_INSENSITIVE;
1302     attr.ObjectName = &nameW;
1303     attr.SecurityDescriptor = sa ? sa->lpSecurityDescriptor : NULL;
1304     attr.SecurityQualityOfService = NULL;
1305
1306     if (sa && sa->bInheritHandle) attr.Attributes |= OBJ_INHERIT;
1307
1308     status = NtCreateFile( &ret, access, &attr, &io, NULL, attributes,
1309                            sharing, nt_disposition[creation - CREATE_NEW],
1310                            options, NULL, 0 );
1311     if (status)
1312     {
1313         WARN("Unable to create file %s (status %lx)\n", debugstr_w(filename), status);
1314         ret = INVALID_HANDLE_VALUE;
1315
1316         /* In the case file creation was rejected due to CREATE_NEW flag
1317          * was specified and file with that name already exists, correct
1318          * last error is ERROR_FILE_EXISTS and not ERROR_ALREADY_EXISTS.
1319          * Note: RtlNtStatusToDosError is not the subject to blame here.
1320          */
1321         if (status == STATUS_OBJECT_NAME_COLLISION)
1322             SetLastError( ERROR_FILE_EXISTS );
1323         else
1324             SetLastError( RtlNtStatusToDosError(status) );
1325     }
1326     else SetLastError(0);
1327     RtlFreeUnicodeString( &nameW );
1328
1329  done:
1330     if (!ret) ret = INVALID_HANDLE_VALUE;
1331     TRACE("returning %p\n", ret);
1332     return ret;
1333 }
1334
1335
1336
1337 /*************************************************************************
1338  *              CreateFileA              (KERNEL32.@)
1339  */
1340 HANDLE WINAPI CreateFileA( LPCSTR filename, DWORD access, DWORD sharing,
1341                            LPSECURITY_ATTRIBUTES sa, DWORD creation,
1342                            DWORD attributes, HANDLE template)
1343 {
1344     WCHAR *nameW;
1345
1346     if (!(nameW = FILE_name_AtoW( filename, FALSE ))) return INVALID_HANDLE_VALUE;
1347     return CreateFileW( nameW, access, sharing, sa, creation, attributes, template );
1348 }
1349
1350
1351 /***********************************************************************
1352  *           DeleteFileW   (KERNEL32.@)
1353  */
1354 BOOL WINAPI DeleteFileW( LPCWSTR path )
1355 {
1356     UNICODE_STRING nameW;
1357     OBJECT_ATTRIBUTES attr;
1358     NTSTATUS status;
1359
1360     TRACE("%s\n", debugstr_w(path) );
1361
1362     if (!RtlDosPathNameToNtPathName_U( path, &nameW, NULL, NULL ))
1363     {
1364         SetLastError( ERROR_PATH_NOT_FOUND );
1365         return FALSE;
1366     }
1367
1368     attr.Length = sizeof(attr);
1369     attr.RootDirectory = 0;
1370     attr.Attributes = OBJ_CASE_INSENSITIVE;
1371     attr.ObjectName = &nameW;
1372     attr.SecurityDescriptor = NULL;
1373     attr.SecurityQualityOfService = NULL;
1374
1375     status = NtDeleteFile(&attr);
1376     RtlFreeUnicodeString( &nameW );
1377     if (status)
1378     {
1379         SetLastError( RtlNtStatusToDosError(status) );
1380         return FALSE;
1381     }
1382     return TRUE;
1383 }
1384
1385
1386 /***********************************************************************
1387  *           DeleteFileA   (KERNEL32.@)
1388  */
1389 BOOL WINAPI DeleteFileA( LPCSTR path )
1390 {
1391     WCHAR *pathW;
1392
1393     if (!(pathW = FILE_name_AtoW( path, FALSE ))) return FALSE;
1394     return DeleteFileW( pathW );
1395 }
1396
1397
1398 /**************************************************************************
1399  *           ReplaceFileW   (KERNEL32.@)
1400  *           ReplaceFile    (KERNEL32.@)
1401  */
1402 BOOL WINAPI ReplaceFileW(LPCWSTR lpReplacedFileName,LPCWSTR lpReplacementFileName,
1403                          LPCWSTR lpBackupFileName, DWORD dwReplaceFlags,
1404                          LPVOID lpExclude, LPVOID lpReserved)
1405 {
1406     FIXME("(%s,%s,%s,%08lx,%p,%p) stub\n",debugstr_w(lpReplacedFileName),debugstr_w(lpReplacementFileName),
1407                                           debugstr_w(lpBackupFileName),dwReplaceFlags,lpExclude,lpReserved);
1408     SetLastError(ERROR_UNABLE_TO_MOVE_REPLACEMENT);
1409     return FALSE;
1410 }
1411
1412
1413 /**************************************************************************
1414  *           ReplaceFileA (KERNEL32.@)
1415  */
1416 BOOL WINAPI ReplaceFileA(LPCSTR lpReplacedFileName,LPCSTR lpReplacementFileName,
1417                          LPCSTR lpBackupFileName, DWORD dwReplaceFlags,
1418                          LPVOID lpExclude, LPVOID lpReserved)
1419 {
1420     FIXME("(%s,%s,%s,%08lx,%p,%p) stub\n",lpReplacedFileName,lpReplacementFileName,
1421                                           lpBackupFileName,dwReplaceFlags,lpExclude,lpReserved);
1422     SetLastError(ERROR_UNABLE_TO_MOVE_REPLACEMENT);
1423     return FALSE;
1424 }
1425
1426
1427 /*************************************************************************
1428  *           FindFirstFileExW  (KERNEL32.@)
1429  */
1430 HANDLE WINAPI FindFirstFileExW( LPCWSTR filename, FINDEX_INFO_LEVELS level,
1431                                 LPVOID data, FINDEX_SEARCH_OPS search_op,
1432                                 LPVOID filter, DWORD flags)
1433 {
1434     WCHAR *mask, *p;
1435     FIND_FIRST_INFO *info = NULL;
1436     UNICODE_STRING nt_name;
1437     OBJECT_ATTRIBUTES attr;
1438     IO_STATUS_BLOCK io;
1439     NTSTATUS status;
1440
1441     TRACE("%s %d %p %d %p %lx\n", debugstr_w(filename), level, data, search_op, filter, flags);
1442
1443     if ((search_op != FindExSearchNameMatch) || (flags != 0))
1444     {
1445         FIXME("options not implemented 0x%08x 0x%08lx\n", search_op, flags );
1446         return INVALID_HANDLE_VALUE;
1447     }
1448     if (level != FindExInfoStandard)
1449     {
1450         FIXME("info level %d not implemented\n", level );
1451         return INVALID_HANDLE_VALUE;
1452     }
1453
1454     if (!RtlDosPathNameToNtPathName_U( filename, &nt_name, &mask, NULL ))
1455     {
1456         SetLastError( ERROR_PATH_NOT_FOUND );
1457         return INVALID_HANDLE_VALUE;
1458     }
1459
1460     if (!mask || !*mask)
1461     {
1462         SetLastError( ERROR_FILE_NOT_FOUND );
1463         goto error;
1464     }
1465
1466     if (!(info = HeapAlloc( GetProcessHeap(), 0, sizeof(*info))))
1467     {
1468         SetLastError( ERROR_NOT_ENOUGH_MEMORY );
1469         goto error;
1470     }
1471
1472     if (!RtlCreateUnicodeString( &info->mask, mask ))
1473     {
1474         SetLastError( ERROR_NOT_ENOUGH_MEMORY );
1475         goto error;
1476     }
1477
1478     /* truncate dir name before mask */
1479     *mask = 0;
1480     nt_name.Length = (mask - nt_name.Buffer) * sizeof(WCHAR);
1481
1482     /* check if path is the root of the drive */
1483     info->is_root = FALSE;
1484     p = nt_name.Buffer + 4;  /* skip \??\ prefix */
1485     if (p[0] && p[1] == ':')
1486     {
1487         p += 2;
1488         while (*p == '\\') p++;
1489         info->is_root = (*p == 0);
1490     }
1491
1492     attr.Length = sizeof(attr);
1493     attr.RootDirectory = 0;
1494     attr.Attributes = OBJ_CASE_INSENSITIVE;
1495     attr.ObjectName = &nt_name;
1496     attr.SecurityDescriptor = NULL;
1497     attr.SecurityQualityOfService = NULL;
1498
1499     status = NtOpenFile( &info->handle, GENERIC_READ, &attr, &io,
1500                          FILE_SHARE_READ | FILE_SHARE_WRITE,
1501                          FILE_DIRECTORY_FILE | FILE_SYNCHRONOUS_IO_NONALERT );
1502
1503     if (status != STATUS_SUCCESS)
1504     {
1505         RtlFreeUnicodeString( &info->mask );
1506         SetLastError( RtlNtStatusToDosError(status) );
1507         goto error;
1508     }
1509     RtlFreeUnicodeString( &nt_name );
1510
1511     RtlInitializeCriticalSection( &info->cs );
1512     info->magic    = FIND_FIRST_MAGIC;
1513     info->data_pos = 0;
1514     info->data_len = 0;
1515
1516     if (!FindNextFileW( (HANDLE)info, data ))
1517     {
1518         TRACE( "%s not found\n", debugstr_w(filename) );
1519         FindClose( (HANDLE)info );
1520         SetLastError( ERROR_FILE_NOT_FOUND );
1521         return INVALID_HANDLE_VALUE;
1522     }
1523     return (HANDLE)info;
1524
1525 error:
1526     if (info) HeapFree( GetProcessHeap(), 0, info );
1527     RtlFreeUnicodeString( &nt_name );
1528     return INVALID_HANDLE_VALUE;
1529 }
1530
1531
1532 /*************************************************************************
1533  *           FindNextFileW   (KERNEL32.@)
1534  */
1535 BOOL WINAPI FindNextFileW( HANDLE handle, WIN32_FIND_DATAW *data )
1536 {
1537     FIND_FIRST_INFO *info;
1538     FILE_BOTH_DIR_INFORMATION *dir_info;
1539     BOOL ret = FALSE;
1540
1541     TRACE("%p %p\n", handle, data);
1542
1543     if (!handle || handle == INVALID_HANDLE_VALUE)
1544     {
1545         SetLastError( ERROR_INVALID_HANDLE );
1546         return ret;
1547     }
1548     info = (FIND_FIRST_INFO *)handle;
1549     if (info->magic != FIND_FIRST_MAGIC)
1550     {
1551         SetLastError( ERROR_INVALID_HANDLE );
1552         return ret;
1553     }
1554
1555     RtlEnterCriticalSection( &info->cs );
1556
1557     for (;;)
1558     {
1559         if (info->data_pos >= info->data_len)  /* need to read some more data */
1560         {
1561             IO_STATUS_BLOCK io;
1562
1563             NtQueryDirectoryFile( info->handle, 0, NULL, NULL, &io, info->data, sizeof(info->data),
1564                                   FileBothDirectoryInformation, FALSE, &info->mask, FALSE );
1565             if (io.u.Status)
1566             {
1567                 SetLastError( RtlNtStatusToDosError( io.u.Status ) );
1568                 break;
1569             }
1570             info->data_len = io.Information;
1571             info->data_pos = 0;
1572         }
1573
1574         dir_info = (FILE_BOTH_DIR_INFORMATION *)(info->data + info->data_pos);
1575
1576         if (dir_info->NextEntryOffset) info->data_pos += dir_info->NextEntryOffset;
1577         else info->data_pos = info->data_len;
1578
1579         /* don't return '.' and '..' in the root of the drive */
1580         if (info->is_root)
1581         {
1582             if (dir_info->FileNameLength == sizeof(WCHAR) && dir_info->FileName[0] == '.') continue;
1583             if (dir_info->FileNameLength == 2 * sizeof(WCHAR) &&
1584                 dir_info->FileName[0] == '.' && dir_info->FileName[1] == '.') continue;
1585         }
1586
1587         data->dwFileAttributes = dir_info->FileAttributes;
1588         data->ftCreationTime   = *(FILETIME *)&dir_info->CreationTime;
1589         data->ftLastAccessTime = *(FILETIME *)&dir_info->LastAccessTime;
1590         data->ftLastWriteTime  = *(FILETIME *)&dir_info->LastWriteTime;
1591         data->nFileSizeHigh    = dir_info->EndOfFile.QuadPart >> 32;
1592         data->nFileSizeLow     = (DWORD)dir_info->EndOfFile.QuadPart;
1593         data->dwReserved0      = 0;
1594         data->dwReserved1      = 0;
1595
1596         memcpy( data->cFileName, dir_info->FileName, dir_info->FileNameLength );
1597         data->cFileName[dir_info->FileNameLength/sizeof(WCHAR)] = 0;
1598         memcpy( data->cAlternateFileName, dir_info->ShortName, dir_info->ShortNameLength );
1599         data->cAlternateFileName[dir_info->ShortNameLength/sizeof(WCHAR)] = 0;
1600
1601         TRACE("returning %s (%s)\n",
1602               debugstr_w(data->cFileName), debugstr_w(data->cAlternateFileName) );
1603
1604         ret = TRUE;
1605         break;
1606     }
1607
1608     RtlLeaveCriticalSection( &info->cs );
1609     return ret;
1610 }
1611
1612
1613 /*************************************************************************
1614  *           FindClose   (KERNEL32.@)
1615  */
1616 BOOL WINAPI FindClose( HANDLE handle )
1617 {
1618     FIND_FIRST_INFO *info = (FIND_FIRST_INFO *)handle;
1619
1620     if (!handle || handle == INVALID_HANDLE_VALUE)
1621     {
1622         SetLastError( ERROR_INVALID_HANDLE );
1623         return FALSE;
1624     }
1625
1626     __TRY
1627     {
1628         if (info->magic == FIND_FIRST_MAGIC)
1629         {
1630             RtlEnterCriticalSection( &info->cs );
1631             if (info->magic == FIND_FIRST_MAGIC)  /* in case someone else freed it in the meantime */
1632             {
1633                 info->magic = 0;
1634                 if (info->handle) CloseHandle( info->handle );
1635                 info->handle = 0;
1636                 RtlFreeUnicodeString( &info->mask );
1637                 info->mask.Buffer = NULL;
1638                 info->data_pos = 0;
1639                 info->data_len = 0;
1640                 RtlLeaveCriticalSection( &info->cs );
1641                 RtlDeleteCriticalSection( &info->cs );
1642                 HeapFree( GetProcessHeap(), 0, info );
1643             }
1644         }
1645     }
1646     __EXCEPT(page_fault)
1647     {
1648         WARN("Illegal handle %p\n", handle);
1649         SetLastError( ERROR_INVALID_HANDLE );
1650         return FALSE;
1651     }
1652     __ENDTRY
1653
1654     return TRUE;
1655 }
1656
1657
1658 /*************************************************************************
1659  *           FindFirstFileA   (KERNEL32.@)
1660  */
1661 HANDLE WINAPI FindFirstFileA( LPCSTR lpFileName, WIN32_FIND_DATAA *lpFindData )
1662 {
1663     return FindFirstFileExA(lpFileName, FindExInfoStandard, lpFindData,
1664                             FindExSearchNameMatch, NULL, 0);
1665 }
1666
1667 /*************************************************************************
1668  *           FindFirstFileExA   (KERNEL32.@)
1669  */
1670 HANDLE WINAPI FindFirstFileExA( LPCSTR lpFileName, FINDEX_INFO_LEVELS fInfoLevelId,
1671                                 LPVOID lpFindFileData, FINDEX_SEARCH_OPS fSearchOp,
1672                                 LPVOID lpSearchFilter, DWORD dwAdditionalFlags)
1673 {
1674     HANDLE handle;
1675     WIN32_FIND_DATAA *dataA;
1676     WIN32_FIND_DATAW dataW;
1677     WCHAR *nameW;
1678
1679     if (!(nameW = FILE_name_AtoW( lpFileName, FALSE ))) return INVALID_HANDLE_VALUE;
1680
1681     handle = FindFirstFileExW(nameW, fInfoLevelId, &dataW, fSearchOp, lpSearchFilter, dwAdditionalFlags);
1682     if (handle == INVALID_HANDLE_VALUE) return handle;
1683
1684     dataA = (WIN32_FIND_DATAA *) lpFindFileData;
1685     dataA->dwFileAttributes = dataW.dwFileAttributes;
1686     dataA->ftCreationTime   = dataW.ftCreationTime;
1687     dataA->ftLastAccessTime = dataW.ftLastAccessTime;
1688     dataA->ftLastWriteTime  = dataW.ftLastWriteTime;
1689     dataA->nFileSizeHigh    = dataW.nFileSizeHigh;
1690     dataA->nFileSizeLow     = dataW.nFileSizeLow;
1691     FILE_name_WtoA( dataW.cFileName, -1, dataA->cFileName, sizeof(dataA->cFileName) );
1692     FILE_name_WtoA( dataW.cAlternateFileName, -1, dataA->cAlternateFileName,
1693                     sizeof(dataA->cAlternateFileName) );
1694     return handle;
1695 }
1696
1697
1698 /*************************************************************************
1699  *           FindFirstFileW   (KERNEL32.@)
1700  */
1701 HANDLE WINAPI FindFirstFileW( LPCWSTR lpFileName, WIN32_FIND_DATAW *lpFindData )
1702 {
1703     return FindFirstFileExW(lpFileName, FindExInfoStandard, lpFindData,
1704                             FindExSearchNameMatch, NULL, 0);
1705 }
1706
1707
1708 /*************************************************************************
1709  *           FindNextFileA   (KERNEL32.@)
1710  */
1711 BOOL WINAPI FindNextFileA( HANDLE handle, WIN32_FIND_DATAA *data )
1712 {
1713     WIN32_FIND_DATAW dataW;
1714
1715     if (!FindNextFileW( handle, &dataW )) return FALSE;
1716     data->dwFileAttributes = dataW.dwFileAttributes;
1717     data->ftCreationTime   = dataW.ftCreationTime;
1718     data->ftLastAccessTime = dataW.ftLastAccessTime;
1719     data->ftLastWriteTime  = dataW.ftLastWriteTime;
1720     data->nFileSizeHigh    = dataW.nFileSizeHigh;
1721     data->nFileSizeLow     = dataW.nFileSizeLow;
1722     FILE_name_WtoA( dataW.cFileName, -1, data->cFileName, sizeof(data->cFileName) );
1723     FILE_name_WtoA( dataW.cAlternateFileName, -1, data->cAlternateFileName,
1724                     sizeof(data->cAlternateFileName) );
1725     return TRUE;
1726 }
1727
1728
1729 /**************************************************************************
1730  *           GetFileAttributesW   (KERNEL32.@)
1731  */
1732 DWORD WINAPI GetFileAttributesW( LPCWSTR name )
1733 {
1734     FILE_BASIC_INFORMATION info;
1735     UNICODE_STRING nt_name;
1736     OBJECT_ATTRIBUTES attr;
1737     NTSTATUS status;
1738
1739     TRACE("%s\n", debugstr_w(name));
1740
1741     if (!RtlDosPathNameToNtPathName_U( name, &nt_name, NULL, NULL ))
1742     {
1743         SetLastError( ERROR_PATH_NOT_FOUND );
1744         return INVALID_FILE_ATTRIBUTES;
1745     }
1746
1747     attr.Length = sizeof(attr);
1748     attr.RootDirectory = 0;
1749     attr.Attributes = OBJ_CASE_INSENSITIVE;
1750     attr.ObjectName = &nt_name;
1751     attr.SecurityDescriptor = NULL;
1752     attr.SecurityQualityOfService = NULL;
1753
1754     status = NtQueryAttributesFile( &attr, &info );
1755     RtlFreeUnicodeString( &nt_name );
1756
1757     if (status == STATUS_SUCCESS) return info.FileAttributes;
1758
1759     /* NtQueryAttributesFile fails on devices, but GetFileAttributesW succeeds */
1760     if (RtlIsDosDeviceName_U( name )) return FILE_ATTRIBUTE_ARCHIVE;
1761
1762     SetLastError( RtlNtStatusToDosError(status) );
1763     return INVALID_FILE_ATTRIBUTES;
1764 }
1765
1766
1767 /**************************************************************************
1768  *           GetFileAttributesA   (KERNEL32.@)
1769  */
1770 DWORD WINAPI GetFileAttributesA( LPCSTR name )
1771 {
1772     WCHAR *nameW;
1773
1774     if (!(nameW = FILE_name_AtoW( name, FALSE ))) return INVALID_FILE_ATTRIBUTES;
1775     return GetFileAttributesW( nameW );
1776 }
1777
1778
1779 /**************************************************************************
1780  *              SetFileAttributesW      (KERNEL32.@)
1781  */
1782 BOOL WINAPI SetFileAttributesW( LPCWSTR name, DWORD attributes )
1783 {
1784     UNICODE_STRING nt_name;
1785     OBJECT_ATTRIBUTES attr;
1786     IO_STATUS_BLOCK io;
1787     NTSTATUS status;
1788     HANDLE handle;
1789
1790     TRACE("%s %lx\n", debugstr_w(name), attributes);
1791
1792     if (!RtlDosPathNameToNtPathName_U( name, &nt_name, NULL, NULL ))
1793     {
1794         SetLastError( ERROR_PATH_NOT_FOUND );
1795         return FALSE;
1796     }
1797
1798     attr.Length = sizeof(attr);
1799     attr.RootDirectory = 0;
1800     attr.Attributes = OBJ_CASE_INSENSITIVE;
1801     attr.ObjectName = &nt_name;
1802     attr.SecurityDescriptor = NULL;
1803     attr.SecurityQualityOfService = NULL;
1804
1805     status = NtOpenFile( &handle, 0, &attr, &io, 0, FILE_SYNCHRONOUS_IO_NONALERT );
1806     RtlFreeUnicodeString( &nt_name );
1807
1808     if (status == STATUS_SUCCESS)
1809     {
1810         FILE_BASIC_INFORMATION info;
1811
1812         memset( &info, 0, sizeof(info) );
1813         info.FileAttributes = attributes | FILE_ATTRIBUTE_NORMAL;  /* make sure it's not zero */
1814         status = NtSetInformationFile( handle, &io, &info, sizeof(info), FileBasicInformation );
1815         NtClose( handle );
1816     }
1817
1818     if (status == STATUS_SUCCESS) return TRUE;
1819     SetLastError( RtlNtStatusToDosError(status) );
1820     return FALSE;
1821 }
1822
1823
1824 /**************************************************************************
1825  *              SetFileAttributesA      (KERNEL32.@)
1826  */
1827 BOOL WINAPI SetFileAttributesA( LPCSTR name, DWORD attributes )
1828 {
1829     WCHAR *nameW;
1830
1831     if (!(nameW = FILE_name_AtoW( name, FALSE ))) return FALSE;
1832     return SetFileAttributesW( nameW, attributes );
1833 }
1834
1835
1836 /**************************************************************************
1837  *           GetFileAttributesExW   (KERNEL32.@)
1838  */
1839 BOOL WINAPI GetFileAttributesExW( LPCWSTR name, GET_FILEEX_INFO_LEVELS level, LPVOID ptr )
1840 {
1841     FILE_NETWORK_OPEN_INFORMATION info;
1842     WIN32_FILE_ATTRIBUTE_DATA *data = ptr;
1843     UNICODE_STRING nt_name;
1844     OBJECT_ATTRIBUTES attr;
1845     NTSTATUS status;
1846
1847     TRACE("%s %d %p\n", debugstr_w(name), level, ptr);
1848
1849     if (level != GetFileExInfoStandard)
1850     {
1851         SetLastError( ERROR_INVALID_PARAMETER );
1852         return FALSE;
1853     }
1854
1855     if (!RtlDosPathNameToNtPathName_U( name, &nt_name, NULL, NULL ))
1856     {
1857         SetLastError( ERROR_PATH_NOT_FOUND );
1858         return FALSE;
1859     }
1860
1861     attr.Length = sizeof(attr);
1862     attr.RootDirectory = 0;
1863     attr.Attributes = OBJ_CASE_INSENSITIVE;
1864     attr.ObjectName = &nt_name;
1865     attr.SecurityDescriptor = NULL;
1866     attr.SecurityQualityOfService = NULL;
1867
1868     status = NtQueryFullAttributesFile( &attr, &info );
1869     RtlFreeUnicodeString( &nt_name );
1870
1871     if (status != STATUS_SUCCESS)
1872     {
1873         SetLastError( RtlNtStatusToDosError(status) );
1874         return FALSE;
1875     }
1876
1877     data->dwFileAttributes = info.FileAttributes;
1878     data->ftCreationTime.dwLowDateTime    = info.CreationTime.u.LowPart;
1879     data->ftCreationTime.dwHighDateTime   = info.CreationTime.u.HighPart;
1880     data->ftLastAccessTime.dwLowDateTime  = info.LastAccessTime.u.LowPart;
1881     data->ftLastAccessTime.dwHighDateTime = info.LastAccessTime.u.HighPart;
1882     data->ftLastWriteTime.dwLowDateTime   = info.LastWriteTime.u.LowPart;
1883     data->ftLastWriteTime.dwHighDateTime  = info.LastWriteTime.u.HighPart;
1884     data->nFileSizeLow                    = info.EndOfFile.u.LowPart;
1885     data->nFileSizeHigh                   = info.EndOfFile.u.HighPart;
1886     return TRUE;
1887 }
1888
1889
1890 /**************************************************************************
1891  *           GetFileAttributesExA   (KERNEL32.@)
1892  */
1893 BOOL WINAPI GetFileAttributesExA( LPCSTR name, GET_FILEEX_INFO_LEVELS level, LPVOID ptr )
1894 {
1895     WCHAR *nameW;
1896
1897     if (!(nameW = FILE_name_AtoW( name, FALSE ))) return FALSE;
1898     return GetFileAttributesExW( nameW, level, ptr );
1899 }
1900
1901
1902 /******************************************************************************
1903  *           GetCompressedFileSizeW   (KERNEL32.@)
1904  *
1905  * RETURNS
1906  *    Success: Low-order doubleword of number of bytes
1907  *    Failure: INVALID_FILE_SIZE
1908  */
1909 DWORD WINAPI GetCompressedFileSizeW(
1910     LPCWSTR name,       /* [in]  Pointer to name of file */
1911     LPDWORD size_high ) /* [out] Receives high-order doubleword of size */
1912 {
1913     UNICODE_STRING nt_name;
1914     OBJECT_ATTRIBUTES attr;
1915     IO_STATUS_BLOCK io;
1916     NTSTATUS status;
1917     HANDLE handle;
1918     DWORD ret = INVALID_FILE_SIZE;
1919
1920     TRACE("%s %p\n", debugstr_w(name), size_high);
1921
1922     if (!RtlDosPathNameToNtPathName_U( name, &nt_name, NULL, NULL ))
1923     {
1924         SetLastError( ERROR_PATH_NOT_FOUND );
1925         return INVALID_FILE_SIZE;
1926     }
1927
1928     attr.Length = sizeof(attr);
1929     attr.RootDirectory = 0;
1930     attr.Attributes = OBJ_CASE_INSENSITIVE;
1931     attr.ObjectName = &nt_name;
1932     attr.SecurityDescriptor = NULL;
1933     attr.SecurityQualityOfService = NULL;
1934
1935     status = NtOpenFile( &handle, 0, &attr, &io, 0, FILE_SYNCHRONOUS_IO_NONALERT );
1936     RtlFreeUnicodeString( &nt_name );
1937
1938     if (status == STATUS_SUCCESS)
1939     {
1940         /* we don't support compressed files, simply return the file size */
1941         ret = GetFileSize( handle, size_high );
1942         NtClose( handle );
1943     }
1944     else SetLastError( RtlNtStatusToDosError(status) );
1945
1946     return ret;
1947 }
1948
1949
1950 /******************************************************************************
1951  *           GetCompressedFileSizeA   (KERNEL32.@)
1952  */
1953 DWORD WINAPI GetCompressedFileSizeA( LPCSTR name, LPDWORD size_high )
1954 {
1955     WCHAR *nameW;
1956
1957     if (!(nameW = FILE_name_AtoW( name, FALSE ))) return INVALID_FILE_SIZE;
1958     return GetCompressedFileSizeW( nameW, size_high );
1959 }
1960
1961
1962 /***********************************************************************
1963  *           OpenFile   (KERNEL32.@)
1964  */
1965 HFILE WINAPI OpenFile( LPCSTR name, OFSTRUCT *ofs, UINT mode )
1966 {
1967     HANDLE handle;
1968     FILETIME filetime;
1969     WORD filedatetime[2];
1970
1971     if (!ofs) return HFILE_ERROR;
1972
1973     TRACE("%s %s %s %s%s%s%s%s%s%s%s%s\n",name,
1974           ((mode & 0x3 )==OF_READ)?"OF_READ":
1975           ((mode & 0x3 )==OF_WRITE)?"OF_WRITE":
1976           ((mode & 0x3 )==OF_READWRITE)?"OF_READWRITE":"unknown",
1977           ((mode & 0x70 )==OF_SHARE_COMPAT)?"OF_SHARE_COMPAT":
1978           ((mode & 0x70 )==OF_SHARE_DENY_NONE)?"OF_SHARE_DENY_NONE":
1979           ((mode & 0x70 )==OF_SHARE_DENY_READ)?"OF_SHARE_DENY_READ":
1980           ((mode & 0x70 )==OF_SHARE_DENY_WRITE)?"OF_SHARE_DENY_WRITE":
1981           ((mode & 0x70 )==OF_SHARE_EXCLUSIVE)?"OF_SHARE_EXCLUSIVE":"unknown",
1982           ((mode & OF_PARSE )==OF_PARSE)?"OF_PARSE ":"",
1983           ((mode & OF_DELETE )==OF_DELETE)?"OF_DELETE ":"",
1984           ((mode & OF_VERIFY )==OF_VERIFY)?"OF_VERIFY ":"",
1985           ((mode & OF_SEARCH )==OF_SEARCH)?"OF_SEARCH ":"",
1986           ((mode & OF_CANCEL )==OF_CANCEL)?"OF_CANCEL ":"",
1987           ((mode & OF_CREATE )==OF_CREATE)?"OF_CREATE ":"",
1988           ((mode & OF_PROMPT )==OF_PROMPT)?"OF_PROMPT ":"",
1989           ((mode & OF_EXIST )==OF_EXIST)?"OF_EXIST ":"",
1990           ((mode & OF_REOPEN )==OF_REOPEN)?"OF_REOPEN ":""
1991         );
1992
1993
1994     ofs->cBytes = sizeof(OFSTRUCT);
1995     ofs->nErrCode = 0;
1996     if (mode & OF_REOPEN) name = ofs->szPathName;
1997
1998     if (!name) return HFILE_ERROR;
1999
2000     TRACE("%s %04x\n", name, mode );
2001
2002     /* the watcom 10.6 IDE relies on a valid path returned in ofs->szPathName
2003        Are there any cases where getting the path here is wrong?
2004        Uwe Bonnes 1997 Apr 2 */
2005     if (!GetFullPathNameA( name, sizeof(ofs->szPathName), ofs->szPathName, NULL )) goto error;
2006
2007     /* OF_PARSE simply fills the structure */
2008
2009     if (mode & OF_PARSE)
2010     {
2011         ofs->fFixedDisk = (GetDriveTypeA( ofs->szPathName ) != DRIVE_REMOVABLE);
2012         TRACE("(%s): OF_PARSE, res = '%s'\n", name, ofs->szPathName );
2013         return 0;
2014     }
2015
2016     /* OF_CREATE is completely different from all other options, so
2017        handle it first */
2018
2019     if (mode & OF_CREATE)
2020     {
2021         if ((handle = create_file_OF( name, mode )) == INVALID_HANDLE_VALUE)
2022             goto error;
2023     }
2024     else
2025     {
2026         /* Now look for the file */
2027
2028         if (!SearchPathA( NULL, name, NULL, sizeof(ofs->szPathName), ofs->szPathName, NULL ))
2029             goto error;
2030
2031         TRACE("found %s\n", debugstr_a(ofs->szPathName) );
2032
2033         if (mode & OF_DELETE)
2034         {
2035             if (!DeleteFileA( ofs->szPathName )) goto error;
2036             TRACE("(%s): OF_DELETE return = OK\n", name);
2037             return TRUE;
2038         }
2039
2040         handle = (HANDLE)_lopen( ofs->szPathName, mode );
2041         if (handle == INVALID_HANDLE_VALUE) goto error;
2042
2043         GetFileTime( handle, NULL, NULL, &filetime );
2044         FileTimeToDosDateTime( &filetime, &filedatetime[0], &filedatetime[1] );
2045         if ((mode & OF_VERIFY) && (mode & OF_REOPEN))
2046         {
2047             if (ofs->Reserved1 != filedatetime[0] || ofs->Reserved2 != filedatetime[1] )
2048             {
2049                 CloseHandle( handle );
2050                 WARN("(%s): OF_VERIFY failed\n", name );
2051                 /* FIXME: what error here? */
2052                 SetLastError( ERROR_FILE_NOT_FOUND );
2053                 goto error;
2054             }
2055         }
2056         ofs->Reserved1 = filedatetime[0];
2057         ofs->Reserved2 = filedatetime[1];
2058     }
2059     TRACE("(%s): OK, return = %p\n", name, handle );
2060     if (mode & OF_EXIST)  /* Return TRUE instead of a handle */
2061     {
2062         CloseHandle( handle );
2063         return TRUE;
2064     }
2065     else return (HFILE)handle;
2066
2067 error:  /* We get here if there was an error opening the file */
2068     ofs->nErrCode = GetLastError();
2069     WARN("(%s): return = HFILE_ERROR error= %d\n", name,ofs->nErrCode );
2070     return HFILE_ERROR;
2071 }