git.oblomov.eu Git - wine/blob - dlls/kernel32/file.c

   1 /*
   2  * File handling functions
   3  *
   4  * Copyright 1993 John Burton
   5  * Copyright 1996, 2004 Alexandre Julliard
   6  * Copyright 2008 Jeff Zaroyko
   7  *
   8  * This library is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License as published by the Free Software Foundation; either
  11  * version 2.1 of the License, or (at your option) any later version.
  12  *
  13  * This library is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * Lesser General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public
  19  * License along with this library; if not, write to the Free Software
  20  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  21  */
  22
  23 #include "config.h"
  24 #include "wine/port.h"
  25
  26 #include <stdarg.h>
  27 #include <stdio.h>
  28 #include <errno.h>
  29 #ifdef HAVE_SYS_STAT_H
  30 # include <sys/stat.h>
  31 #endif
  32
  33 #define NONAMELESSUNION
  34 #define NONAMELESSSTRUCT
  35 #include "winerror.h"
  36 #include "ntstatus.h"
  37 #define WIN32_NO_STATUS
  38 #include "windef.h"
  39 #include "winbase.h"
  40 #include "winternl.h"
  41 #include "winioctl.h"
  42 #include "wincon.h"
  43 #include "kernel_private.h"
  44
  45 #include "wine/exception.h"
  46 #include "wine/unicode.h"
  47 #include "wine/debug.h"
  48
  49 WINE_DEFAULT_DEBUG_CHANNEL(file);
  50
  51 /* info structure for FindFirstFile handle */
  52 typedef struct
  53 {
  54     DWORD             magic;       /* magic number */
  55     HANDLE            handle;      /* handle to directory */
  56     CRITICAL_SECTION  cs;          /* crit section protecting this structure */
  57     FINDEX_SEARCH_OPS search_op;   /* Flags passed to FindFirst.  */
  58     UNICODE_STRING    mask;        /* file mask */
  59     UNICODE_STRING    path;        /* NT path used to open the directory */
  60     BOOL              is_root;     /* is directory the root of the drive? */
  61     UINT              data_pos;    /* current position in dir data */
  62     UINT              data_len;    /* length of dir data */
  63     BYTE              data[8192];  /* directory data */
  64 } FIND_FIRST_INFO;
  65
  66 #define FIND_FIRST_MAGIC  0xc0ffee11
  67
  68 static BOOL oem_file_apis;
  69
  70 static const WCHAR wildcardsW[] = { '*','?',0 };
  71
  72 /***********************************************************************
  73  *              create_file_OF
  74  *
  75  * Wrapper for CreateFile that takes OF_* mode flags.
  76  */
  77 static HANDLE create_file_OF( LPCSTR path, INT mode )
  78 {
  79     DWORD access, sharing, creation;
  80
  81     if (mode & OF_CREATE)
  82     {
  83         creation = CREATE_ALWAYS;
  84         access = GENERIC_READ | GENERIC_WRITE;
  85     }
  86     else
  87     {
  88         creation = OPEN_EXISTING;
  89         switch(mode & 0x03)
  90         {
  91         case OF_READ:      access = GENERIC_READ; break;
  92         case OF_WRITE:     access = GENERIC_WRITE; break;
  93         case OF_READWRITE: access = GENERIC_READ | GENERIC_WRITE; break;
  94         default:           access = 0; break;
  95         }
  96     }
  97
  98     switch(mode & 0x70)
  99     {
 100     case OF_SHARE_EXCLUSIVE:  sharing = 0; break;
 101     case OF_SHARE_DENY_WRITE: sharing = FILE_SHARE_READ; break;
 102     case OF_SHARE_DENY_READ:  sharing = FILE_SHARE_WRITE; break;
 103     case OF_SHARE_DENY_NONE:
 104     case OF_SHARE_COMPAT:
 105     default:                  sharing = FILE_SHARE_READ | FILE_SHARE_WRITE; break;
 106     }
 107     return CreateFileA( path, access, sharing, NULL, creation, FILE_ATTRIBUTE_NORMAL, 0 );
 108 }
 109
 110
 111 /***********************************************************************
 112  *              check_dir_symlink
 113  *
 114  * Check if a dir symlink should be returned by FindNextFile.
 115  */
 116 static BOOL check_dir_symlink( FIND_FIRST_INFO *info, const FILE_BOTH_DIR_INFORMATION *file_info )
 117 {
 118     UNICODE_STRING str;
 119     ANSI_STRING unix_name;
 120     struct stat st, parent_st;
 121     BOOL ret = TRUE;
 122     DWORD len;
 123
 124     str.MaximumLength = info->path.Length + sizeof(WCHAR) + file_info->FileNameLength;
 125     if (!(str.Buffer = HeapAlloc( GetProcessHeap(), 0, str.MaximumLength ))) return TRUE;
 126     memcpy( str.Buffer, info->path.Buffer, info->path.Length );
 127     len = info->path.Length / sizeof(WCHAR);
 128     if (!len || str.Buffer[len-1] != '\\') str.Buffer[len++] = '\\';
 129     memcpy( str.Buffer + len, file_info->FileName, file_info->FileNameLength );
 130     str.Length = len * sizeof(WCHAR) + file_info->FileNameLength;
 131
 132     unix_name.Buffer = NULL;
 133     if (!wine_nt_to_unix_file_name( &str, &unix_name, OPEN_EXISTING, FALSE ) &&
 134         !stat( unix_name.Buffer, &st ))
 135     {
 136         char *p = unix_name.Buffer + unix_name.Length - 1;
 137
 138         /* skip trailing slashes */
 139         while (p > unix_name.Buffer && *p == '/') p--;
 140
 141         while (ret && p > unix_name.Buffer)
 142         {
 143             while (p > unix_name.Buffer && *p != '/') p--;
 144             while (p > unix_name.Buffer && *p == '/') p--;
 145             p[1] = 0;
 146             if (!stat( unix_name.Buffer, &parent_st ) &&
 147                 parent_st.st_dev == st.st_dev &&
 148                 parent_st.st_ino == st.st_ino)
 149             {
 150                 WARN( "suppressing dir symlink %s pointing to parent %s\n",
 151                       debugstr_wn( str.Buffer, str.Length/sizeof(WCHAR) ),
 152                       debugstr_a( unix_name.Buffer ));
 153                 ret = FALSE;
 154             }
 155         }
 156     }
 157     RtlFreeAnsiString( &unix_name );
 158     RtlFreeUnicodeString( &str );
 159     return ret;
 160 }
 161
 162
 163 /***********************************************************************
 164  *           FILE_SetDosError
 165  *
 166  * Set the DOS error code from errno.
 167  */
 168 void FILE_SetDosError(void)
 169 {
 170     int save_errno = errno; /* errno gets overwritten by printf */
 171
 172     TRACE("errno = %d %s\n", errno, strerror(errno));
 173     switch (save_errno)
 174     {
 175     case EAGAIN:
 176         SetLastError( ERROR_SHARING_VIOLATION );
 177         break;
 178     case EBADF:
 179         SetLastError( ERROR_INVALID_HANDLE );
 180         break;
 181     case ENOSPC:
 182         SetLastError( ERROR_HANDLE_DISK_FULL );
 183         break;
 184     case EACCES:
 185     case EPERM:
 186     case EROFS:
 187         SetLastError( ERROR_ACCESS_DENIED );
 188         break;
 189     case EBUSY:
 190         SetLastError( ERROR_LOCK_VIOLATION );
 191         break;
 192     case ENOENT:
 193         SetLastError( ERROR_FILE_NOT_FOUND );
 194         break;
 195     case EISDIR:
 196         SetLastError( ERROR_CANNOT_MAKE );
 197         break;
 198     case ENFILE:
 199     case EMFILE:
 200         SetLastError( ERROR_TOO_MANY_OPEN_FILES );
 201         break;
 202     case EEXIST:
 203         SetLastError( ERROR_FILE_EXISTS );
 204         break;
 205     case EINVAL:
 206     case ESPIPE:
 207         SetLastError( ERROR_SEEK );
 208         break;
 209     case ENOTEMPTY:
 210         SetLastError( ERROR_DIR_NOT_EMPTY );
 211         break;
 212     case ENOEXEC:
 213         SetLastError( ERROR_BAD_FORMAT );
 214         break;
 215     case ENOTDIR:
 216         SetLastError( ERROR_PATH_NOT_FOUND );
 217         break;
 218     case EXDEV:
 219         SetLastError( ERROR_NOT_SAME_DEVICE );
 220         break;
 221     default:
 222         WARN("unknown file error: %s\n", strerror(save_errno) );
 223         SetLastError( ERROR_GEN_FAILURE );
 224         break;
 225     }
 226     errno = save_errno;
 227 }
 228
 229
 230 /***********************************************************************
 231  *           FILE_name_AtoW
 232  *
 233  * Convert a file name to Unicode, taking into account the OEM/Ansi API mode.
 234  *
 235  * If alloc is FALSE uses the TEB static buffer, so it can only be used when
 236  * there is no possibility for the function to do that twice, taking into
 237  * account any called function.
 238  */
 239 WCHAR *FILE_name_AtoW( LPCSTR name, BOOL alloc )
 240 {
 241     ANSI_STRING str;
 242     UNICODE_STRING strW, *pstrW;
 243     NTSTATUS status;
 244
 245     RtlInitAnsiString( &str, name );
 246     pstrW = alloc ? &strW : &NtCurrentTeb()->StaticUnicodeString;
 247     if (oem_file_apis)
 248         status = RtlOemStringToUnicodeString( pstrW, &str, alloc );
 249     else
 250         status = RtlAnsiStringToUnicodeString( pstrW, &str, alloc );
 251     if (status == STATUS_SUCCESS) return pstrW->Buffer;
 252
 253     if (status == STATUS_BUFFER_OVERFLOW)
 254         SetLastError( ERROR_FILENAME_EXCED_RANGE );
 255     else
 256         SetLastError( RtlNtStatusToDosError(status) );
 257     return NULL;
 258 }
 259
 260
 261 /***********************************************************************
 262  *           FILE_name_WtoA
 263  *
 264  * Convert a file name back to OEM/Ansi. Returns number of bytes copied.
 265  */
 266 DWORD FILE_name_WtoA( LPCWSTR src, INT srclen, LPSTR dest, INT destlen )
 267 {
 268     DWORD ret;
 269
 270     if (srclen < 0) srclen = strlenW( src ) + 1;
 271     if (oem_file_apis)
 272         RtlUnicodeToOemN( dest, destlen, &ret, src, srclen * sizeof(WCHAR) );
 273     else
 274         RtlUnicodeToMultiByteN( dest, destlen, &ret, src, srclen * sizeof(WCHAR) );
 275     return ret;
 276 }
 277
 278
 279 /**************************************************************************
 280  *              SetFileApisToOEM   (KERNEL32.@)
 281  */
 282 VOID WINAPI SetFileApisToOEM(void)
 283 {
 284     oem_file_apis = TRUE;
 285 }
 286
 287
 288 /**************************************************************************
 289  *              SetFileApisToANSI   (KERNEL32.@)
 290  */
 291 VOID WINAPI SetFileApisToANSI(void)
 292 {
 293     oem_file_apis = FALSE;
 294 }
 295
 296
 297 /******************************************************************************
 298  *              AreFileApisANSI   (KERNEL32.@)
 299  *
 300  *  Determines if file functions are using ANSI
 301  *
 302  * RETURNS
 303  *    TRUE:  Set of file functions is using ANSI code page
 304  *    FALSE: Set of file functions is using OEM code page
 305  */
 306 BOOL WINAPI AreFileApisANSI(void)
 307 {
 308     return !oem_file_apis;
 309 }
 310
 311
 312 /**************************************************************************
 313  *                      Operations on file handles                        *
 314  **************************************************************************/
 315
 316 /******************************************************************
 317  *              FILE_ReadWriteApc (internal)
 318  */
 319 static void WINAPI FILE_ReadWriteApc(void* apc_user, PIO_STATUS_BLOCK io_status, ULONG reserved)
 320 {
 321     LPOVERLAPPED_COMPLETION_ROUTINE  cr = apc_user;
 322
 323     cr(RtlNtStatusToDosError(io_status->u.Status), io_status->Information, (LPOVERLAPPED)io_status);
 324 }
 325
 326
 327 /***********************************************************************
 328  *              ReadFileEx                (KERNEL32.@)
 329  */
 330 BOOL WINAPI ReadFileEx(HANDLE hFile, LPVOID buffer, DWORD bytesToRead,
 331                        LPOVERLAPPED overlapped,
 332                        LPOVERLAPPED_COMPLETION_ROUTINE lpCompletionRoutine)
 333 {
 334     LARGE_INTEGER       offset;
 335     NTSTATUS            status;
 336     PIO_STATUS_BLOCK    io_status;
 337
 338     TRACE("(hFile=%p, buffer=%p, bytes=%u, ovl=%p, ovl_fn=%p)\n", hFile, buffer, bytesToRead, overlapped, lpCompletionRoutine);
 339
 340     if (!overlapped)
 341     {
 342         SetLastError(ERROR_INVALID_PARAMETER);
 343         return FALSE;
 344     }
 345
 346     offset.u.LowPart = overlapped->u.s.Offset;
 347     offset.u.HighPart = overlapped->u.s.OffsetHigh;
 348     io_status = (PIO_STATUS_BLOCK)overlapped;
 349     io_status->u.Status = STATUS_PENDING;
 350     io_status->Information = 0;
 351
 352     status = NtReadFile(hFile, NULL, FILE_ReadWriteApc, lpCompletionRoutine,
 353                         io_status, buffer, bytesToRead, &offset, NULL);
 354
 355     if (status && status != STATUS_PENDING)
 356     {
 357         SetLastError( RtlNtStatusToDosError(status) );
 358         return FALSE;
 359     }
 360     return TRUE;
 361 }
 362
 363
 364 /***********************************************************************
 365  *              ReadFileScatter                (KERNEL32.@)
 366  */
 367 BOOL WINAPI ReadFileScatter( HANDLE file, FILE_SEGMENT_ELEMENT *segments, DWORD count,
 368                              LPDWORD reserved, LPOVERLAPPED overlapped )
 369 {
 370     PIO_STATUS_BLOCK io_status;
 371     LARGE_INTEGER offset;
 372     NTSTATUS status;
 373
 374     TRACE( "(%p %p %u %p)\n", file, segments, count, overlapped );
 375
 376     offset.u.LowPart = overlapped->u.s.Offset;
 377     offset.u.HighPart = overlapped->u.s.OffsetHigh;
 378     io_status = (PIO_STATUS_BLOCK)overlapped;
 379     io_status->u.Status = STATUS_PENDING;
 380     io_status->Information = 0;
 381
 382     status = NtReadFileScatter( file, NULL, NULL, NULL, io_status, segments, count, &offset, NULL );
 383     if (status) SetLastError( RtlNtStatusToDosError(status) );
 384     return !status;
 385 }
 386
 387
 388 /***********************************************************************
 389  *              ReadFile                (KERNEL32.@)
 390  */
 391 BOOL WINAPI ReadFile( HANDLE hFile, LPVOID buffer, DWORD bytesToRead,
 392                       LPDWORD bytesRead, LPOVERLAPPED overlapped )
 393 {
 394     LARGE_INTEGER       offset;
 395     PLARGE_INTEGER      poffset = NULL;
 396     IO_STATUS_BLOCK     iosb;
 397     PIO_STATUS_BLOCK    io_status = &iosb;
 398     HANDLE              hEvent = 0;
 399     NTSTATUS            status;
 400     LPVOID              cvalue = NULL;
 401
 402     TRACE("%p %p %d %p %p\n", hFile, buffer, bytesToRead,
 403           bytesRead, overlapped );
 404
 405     if (bytesRead) *bytesRead = 0;  /* Do this before anything else */
 406     if (!bytesToRead) return TRUE;
 407
 408     if (is_console_handle(hFile))
 409     {
 410         DWORD conread, mode;
 411         if (!ReadConsoleA(hFile, buffer, bytesToRead, &conread, NULL) ||
 412             !GetConsoleMode(hFile, &mode))
 413             return FALSE;
 414         /* ctrl-Z (26) means end of file on window (if at beginning of buffer)
 415          * but Unix uses ctrl-D (4), and ctrl-Z is a bad idea on Unix :-/
 416          * So map both ctrl-D ctrl-Z to EOF.
 417          */
 418         if ((mode & ENABLE_PROCESSED_INPUT) && conread > 0 &&
 419             (((char*)buffer)[0] == 26 || ((char*)buffer)[0] == 4))
 420         {
 421             conread = 0;
 422         }
 423         if (bytesRead) *bytesRead = conread;
 424         return TRUE;
 425     }
 426
 427     if (overlapped != NULL)
 428     {
 429         offset.u.LowPart = overlapped->u.s.Offset;
 430         offset.u.HighPart = overlapped->u.s.OffsetHigh;
 431         poffset = &offset;
 432         hEvent = overlapped->hEvent;
 433         io_status = (PIO_STATUS_BLOCK)overlapped;
 434         if (((ULONG_PTR)hEvent & 1) == 0) cvalue = overlapped;
 435     }
 436     io_status->u.Status = STATUS_PENDING;
 437     io_status->Information = 0;
 438
 439     status = NtReadFile(hFile, hEvent, NULL, cvalue, io_status, buffer, bytesToRead, poffset, NULL);
 440
 441     if (status == STATUS_PENDING && !overlapped)
 442     {
 443         WaitForSingleObject( hFile, INFINITE );
 444         status = io_status->u.Status;
 445     }
 446
 447     if (status != STATUS_PENDING && bytesRead)
 448         *bytesRead = io_status->Information;
 449
 450     if (status && status != STATUS_END_OF_FILE && status != STATUS_TIMEOUT)
 451     {
 452         SetLastError( RtlNtStatusToDosError(status) );
 453         return FALSE;
 454     }
 455     return TRUE;
 456 }
 457
 458
 459 /***********************************************************************
 460  *              WriteFileEx                (KERNEL32.@)
 461  */
 462 BOOL WINAPI WriteFileEx(HANDLE hFile, LPCVOID buffer, DWORD bytesToWrite,
 463                         LPOVERLAPPED overlapped,
 464                         LPOVERLAPPED_COMPLETION_ROUTINE lpCompletionRoutine)
 465 {
 466     LARGE_INTEGER       offset;
 467     NTSTATUS            status;
 468     PIO_STATUS_BLOCK    io_status;
 469
 470     TRACE("%p %p %d %p %p\n", hFile, buffer, bytesToWrite, overlapped, lpCompletionRoutine);
 471
 472     if (overlapped == NULL)
 473     {
 474         SetLastError(ERROR_INVALID_PARAMETER);
 475         return FALSE;
 476     }
 477     offset.u.LowPart = overlapped->u.s.Offset;
 478     offset.u.HighPart = overlapped->u.s.OffsetHigh;
 479
 480     io_status = (PIO_STATUS_BLOCK)overlapped;
 481     io_status->u.Status = STATUS_PENDING;
 482     io_status->Information = 0;
 483
 484     status = NtWriteFile(hFile, NULL, FILE_ReadWriteApc, lpCompletionRoutine,
 485                          io_status, buffer, bytesToWrite, &offset, NULL);
 486
 487     if (status && status != STATUS_PENDING)
 488     {
 489         SetLastError( RtlNtStatusToDosError(status) );
 490         return FALSE;
 491     }
 492     return TRUE;
 493 }
 494
 495
 496 /***********************************************************************
 497  *              WriteFileGather                (KERNEL32.@)
 498  */
 499 BOOL WINAPI WriteFileGather( HANDLE file, FILE_SEGMENT_ELEMENT *segments, DWORD count,
 500                              LPDWORD reserved, LPOVERLAPPED overlapped )
 501 {
 502     PIO_STATUS_BLOCK io_status;
 503     LARGE_INTEGER offset;
 504     NTSTATUS status;
 505
 506     TRACE( "%p %p %u %p\n", file, segments, count, overlapped );
 507
 508     offset.u.LowPart = overlapped->u.s.Offset;
 509     offset.u.HighPart = overlapped->u.s.OffsetHigh;
 510     io_status = (PIO_STATUS_BLOCK)overlapped;
 511     io_status->u.Status = STATUS_PENDING;
 512     io_status->Information = 0;
 513
 514     status = NtWriteFileGather( file, NULL, NULL, NULL, io_status, segments, count, &offset, NULL );
 515     if (status) SetLastError( RtlNtStatusToDosError(status) );
 516     return !status;
 517 }
 518
 519
 520 /***********************************************************************
 521  *             WriteFile               (KERNEL32.@)
 522  */
 523 BOOL WINAPI WriteFile( HANDLE hFile, LPCVOID buffer, DWORD bytesToWrite,
 524                        LPDWORD bytesWritten, LPOVERLAPPED overlapped )
 525 {
 526     HANDLE hEvent = NULL;
 527     LARGE_INTEGER offset;
 528     PLARGE_INTEGER poffset = NULL;
 529     NTSTATUS status;
 530     IO_STATUS_BLOCK iosb;
 531     PIO_STATUS_BLOCK piosb = &iosb;
 532     LPVOID cvalue = NULL;
 533
 534     TRACE("%p %p %d %p %p\n", hFile, buffer, bytesToWrite, bytesWritten, overlapped );
 535
 536     if (is_console_handle(hFile))
 537         return WriteConsoleA(hFile, buffer, bytesToWrite, bytesWritten, NULL);
 538
 539     if (overlapped)
 540     {
 541         offset.u.LowPart = overlapped->u.s.Offset;
 542         offset.u.HighPart = overlapped->u.s.OffsetHigh;
 543         poffset = &offset;
 544         hEvent = overlapped->hEvent;
 545         piosb = (PIO_STATUS_BLOCK)overlapped;
 546         if (((ULONG_PTR)hEvent & 1) == 0) cvalue = overlapped;
 547     }
 548     piosb->u.Status = STATUS_PENDING;
 549     piosb->Information = 0;
 550
 551     status = NtWriteFile(hFile, hEvent, NULL, cvalue, piosb,
 552                          buffer, bytesToWrite, poffset, NULL);
 553
 554     if (status == STATUS_PENDING && !overlapped)
 555     {
 556         WaitForSingleObject( hFile, INFINITE );
 557         status = piosb->u.Status;
 558     }
 559
 560     if (status != STATUS_PENDING && bytesWritten)
 561         *bytesWritten = piosb->Information;
 562
 563     if (status && status != STATUS_TIMEOUT)
 564     {
 565         SetLastError( RtlNtStatusToDosError(status) );
 566         return FALSE;
 567     }
 568     return TRUE;
 569 }
 570
 571
 572 /***********************************************************************
 573  *              GetOverlappedResult     (KERNEL32.@)
 574  *
 575  * Check the result of an Asynchronous data transfer from a file.
 576  *
 577  * Parameters
 578  *   HANDLE hFile                 [in] handle of file to check on
 579  *   LPOVERLAPPED lpOverlapped    [in/out] pointer to overlapped
 580  *   LPDWORD lpTransferred        [in/out] number of bytes transferred
 581  *   BOOL bWait                   [in] wait for the transfer to complete ?
 582  *
 583  * RETURNS
 584  *   TRUE on success
 585  *   FALSE on failure
 586  *
 587  *  If successful (and relevant) lpTransferred will hold the number of
 588  *   bytes transferred during the async operation.
 589  */
 590 BOOL WINAPI GetOverlappedResult(HANDLE hFile, LPOVERLAPPED lpOverlapped,
 591                                 LPDWORD lpTransferred, BOOL bWait)
 592 {
 593     NTSTATUS status;
 594
 595     TRACE( "(%p %p %p %x)\n", hFile, lpOverlapped, lpTransferred, bWait );
 596
 597     status = lpOverlapped->Internal;
 598     if (status == STATUS_PENDING)
 599     {
 600         if (!bWait)
 601         {
 602             SetLastError( ERROR_IO_INCOMPLETE );
 603             return FALSE;
 604         }
 605
 606         if (WaitForSingleObject( lpOverlapped->hEvent ? lpOverlapped->hEvent : hFile,
 607                                  INFINITE ) == WAIT_FAILED)
 608             return FALSE;
 609         status = lpOverlapped->Internal;
 610     }
 611
 612     *lpTransferred = lpOverlapped->InternalHigh;
 613
 614     if (status) SetLastError( RtlNtStatusToDosError(status) );
 615     return !status;
 616 }
 617
 618 /***********************************************************************
 619  *             CancelIoEx                 (KERNEL32.@)
 620  *
 621  * Cancels pending I/O operations on a file given the overlapped used.
 622  *
 623  * PARAMS
 624  *  handle        [I] File handle.
 625  *  lpOverlapped  [I,OPT] pointer to overlapped (if null, cancel all)
 626  *
 627  * RETURNS
 628  *  Success: TRUE.
 629  *  Failure: FALSE, check GetLastError().
 630  */
 631 BOOL WINAPI CancelIoEx(HANDLE handle, LPOVERLAPPED lpOverlapped)
 632 {
 633     IO_STATUS_BLOCK    io_status;
 634
 635     NtCancelIoFileEx(handle, (PIO_STATUS_BLOCK) lpOverlapped, &io_status);
 636     if (io_status.u.Status)
 637     {
 638         SetLastError( RtlNtStatusToDosError( io_status.u.Status ) );
 639         return FALSE;
 640     }
 641     return TRUE;
 642 }
 643
 644 /***********************************************************************
 645  *             CancelIo                   (KERNEL32.@)
 646  *
 647  * Cancels pending I/O operations initiated by the current thread on a file.
 648  *
 649  * PARAMS
 650  *  handle [I] File handle.
 651  *
 652  * RETURNS
 653  *  Success: TRUE.
 654  *  Failure: FALSE, check GetLastError().
 655  */
 656 BOOL WINAPI CancelIo(HANDLE handle)
 657 {
 658     IO_STATUS_BLOCK    io_status;
 659
 660     NtCancelIoFile(handle, &io_status);
 661     if (io_status.u.Status)
 662     {
 663         SetLastError( RtlNtStatusToDosError( io_status.u.Status ) );
 664         return FALSE;
 665     }
 666     return TRUE;
 667 }
 668
 669 /***********************************************************************
 670  *           _hread   (KERNEL32.@)
 671  */
 672 LONG WINAPI _hread( HFILE hFile, LPVOID buffer, LONG count)
 673 {
 674     return _lread( hFile, buffer, count );
 675 }
 676
 677
 678 /***********************************************************************
 679  *           _hwrite   (KERNEL32.@)
 680  *
 681  *      experimentation yields that _lwrite:
 682  *              o truncates the file at the current position with
 683  *                a 0 len write
 684  *              o returns 0 on a 0 length write
 685  *              o works with console handles
 686  *
 687  */
 688 LONG WINAPI _hwrite( HFILE handle, LPCSTR buffer, LONG count )
 689 {
 690     DWORD result;
 691
 692     TRACE("%d %p %d\n", handle, buffer, count );
 693
 694     if (!count)
 695     {
 696         /* Expand or truncate at current position */
 697         if (!SetEndOfFile( LongToHandle(handle) )) return HFILE_ERROR;
 698         return 0;
 699     }
 700     if (!WriteFile( LongToHandle(handle), buffer, count, &result, NULL ))
 701         return HFILE_ERROR;
 702     return result;
 703 }
 704
 705
 706 /***********************************************************************
 707  *           _lclose   (KERNEL32.@)
 708  */
 709 HFILE WINAPI _lclose( HFILE hFile )
 710 {
 711     TRACE("handle %d\n", hFile );
 712     return CloseHandle( LongToHandle(hFile) ) ? 0 : HFILE_ERROR;
 713 }
 714
 715
 716 /***********************************************************************
 717  *           _lcreat   (KERNEL32.@)
 718  */
 719 HFILE WINAPI _lcreat( LPCSTR path, INT attr )
 720 {
 721     HANDLE hfile;
 722
 723     /* Mask off all flags not explicitly allowed by the doc */
 724     attr &= FILE_ATTRIBUTE_READONLY | FILE_ATTRIBUTE_HIDDEN | FILE_ATTRIBUTE_SYSTEM;
 725     TRACE("%s %02x\n", path, attr );
 726     hfile = CreateFileA( path, GENERIC_READ | GENERIC_WRITE,
 727                                FILE_SHARE_READ | FILE_SHARE_WRITE, NULL,
 728                                CREATE_ALWAYS, attr, 0 );
 729     return HandleToLong(hfile);
 730 }
 731
 732
 733 /***********************************************************************
 734  *           _lopen   (KERNEL32.@)
 735  */
 736 HFILE WINAPI _lopen( LPCSTR path, INT mode )
 737 {
 738     HANDLE hfile;
 739
 740     TRACE("(%s,%04x)\n", debugstr_a(path), mode );
 741     hfile = create_file_OF( path, mode & ~OF_CREATE );
 742     return HandleToLong(hfile);
 743 }
 744
 745 /***********************************************************************
 746  *           _lread   (KERNEL32.@)
 747  */
 748 UINT WINAPI _lread( HFILE handle, LPVOID buffer, UINT count )
 749 {
 750     DWORD result;
 751     if (!ReadFile( LongToHandle(handle), buffer, count, &result, NULL ))
 752         return HFILE_ERROR;
 753     return result;
 754 }
 755
 756
 757 /***********************************************************************
 758  *           _llseek   (KERNEL32.@)
 759  */
 760 LONG WINAPI _llseek( HFILE hFile, LONG lOffset, INT nOrigin )
 761 {
 762     return SetFilePointer( LongToHandle(hFile), lOffset, NULL, nOrigin );
 763 }
 764
 765
 766 /***********************************************************************
 767  *           _lwrite   (KERNEL32.@)
 768  */
 769 UINT WINAPI _lwrite( HFILE hFile, LPCSTR buffer, UINT count )
 770 {
 771     return (UINT)_hwrite( hFile, buffer, (LONG)count );
 772 }
 773
 774
 775 /***********************************************************************
 776  *           FlushFileBuffers   (KERNEL32.@)
 777  */
 778 BOOL WINAPI FlushFileBuffers( HANDLE hFile )
 779 {
 780     NTSTATUS            nts;
 781     IO_STATUS_BLOCK     ioblk;
 782
 783     if (is_console_handle( hFile ))
 784     {
 785         /* this will fail (as expected) for an output handle */
 786         return FlushConsoleInputBuffer( hFile );
 787     }
 788     nts = NtFlushBuffersFile( hFile, &ioblk );
 789     if (nts != STATUS_SUCCESS)
 790     {
 791         SetLastError( RtlNtStatusToDosError( nts ) );
 792         return FALSE;
 793     }
 794
 795     return TRUE;
 796 }
 797
 798
 799 /***********************************************************************
 800  *           GetFileType   (KERNEL32.@)
 801  */
 802 DWORD WINAPI GetFileType( HANDLE hFile )
 803 {
 804     FILE_FS_DEVICE_INFORMATION info;
 805     IO_STATUS_BLOCK io;
 806     NTSTATUS status;
 807
 808     if (is_console_handle( hFile )) return FILE_TYPE_CHAR;
 809
 810     status = NtQueryVolumeInformationFile( hFile, &io, &info, sizeof(info), FileFsDeviceInformation );
 811     if (status != STATUS_SUCCESS)
 812     {
 813         SetLastError( RtlNtStatusToDosError(status) );
 814         return FILE_TYPE_UNKNOWN;
 815     }
 816
 817     switch(info.DeviceType)
 818     {
 819     case FILE_DEVICE_NULL:
 820     case FILE_DEVICE_SERIAL_PORT:
 821     case FILE_DEVICE_PARALLEL_PORT:
 822     case FILE_DEVICE_TAPE:
 823     case FILE_DEVICE_UNKNOWN:
 824         return FILE_TYPE_CHAR;
 825     case FILE_DEVICE_NAMED_PIPE:
 826         return FILE_TYPE_PIPE;
 827     default:
 828         return FILE_TYPE_DISK;
 829     }
 830 }
 831
 832
 833 /***********************************************************************
 834  *             GetFileInformationByHandle   (KERNEL32.@)
 835  */
 836 BOOL WINAPI GetFileInformationByHandle( HANDLE hFile, BY_HANDLE_FILE_INFORMATION *info )
 837 {
 838     FILE_ALL_INFORMATION all_info;
 839     IO_STATUS_BLOCK io;
 840     NTSTATUS status;
 841
 842     status = NtQueryInformationFile( hFile, &io, &all_info, sizeof(all_info), FileAllInformation );
 843     if (status == STATUS_BUFFER_OVERFLOW) status = STATUS_SUCCESS;
 844     if (status == STATUS_SUCCESS)
 845     {
 846         info->dwFileAttributes                = all_info.BasicInformation.FileAttributes;
 847         info->ftCreationTime.dwHighDateTime   = all_info.BasicInformation.CreationTime.u.HighPart;
 848         info->ftCreationTime.dwLowDateTime    = all_info.BasicInformation.CreationTime.u.LowPart;
 849         info->ftLastAccessTime.dwHighDateTime = all_info.BasicInformation.LastAccessTime.u.HighPart;
 850         info->ftLastAccessTime.dwLowDateTime  = all_info.BasicInformation.LastAccessTime.u.LowPart;
 851         info->ftLastWriteTime.dwHighDateTime  = all_info.BasicInformation.LastWriteTime.u.HighPart;
 852         info->ftLastWriteTime.dwLowDateTime   = all_info.BasicInformation.LastWriteTime.u.LowPart;
 853         info->dwVolumeSerialNumber            = 0;  /* FIXME */
 854         info->nFileSizeHigh                   = all_info.StandardInformation.EndOfFile.u.HighPart;
 855         info->nFileSizeLow                    = all_info.StandardInformation.EndOfFile.u.LowPart;
 856         info->nNumberOfLinks                  = all_info.StandardInformation.NumberOfLinks;
 857         info->nFileIndexHigh                  = all_info.InternalInformation.IndexNumber.u.HighPart;
 858         info->nFileIndexLow                   = all_info.InternalInformation.IndexNumber.u.LowPart;
 859         return TRUE;
 860     }
 861     SetLastError( RtlNtStatusToDosError(status) );
 862     return FALSE;
 863 }
 864
 865
 866 /***********************************************************************
 867  *           GetFileSize   (KERNEL32.@)
 868  *
 869  * Retrieve the size of a file.
 870  *
 871  * PARAMS
 872  *  hFile        [I] File to retrieve size of.
 873  *  filesizehigh [O] On return, the high bits of the file size.
 874  *
 875  * RETURNS
 876  *  Success: The low bits of the file size.
 877  *  Failure: INVALID_FILE_SIZE. As this is could also be a success value,
 878  *           check GetLastError() for values other than ERROR_SUCCESS.
 879  */
 880 DWORD WINAPI GetFileSize( HANDLE hFile, LPDWORD filesizehigh )
 881 {
 882     LARGE_INTEGER size;
 883     if (!GetFileSizeEx( hFile, &size )) return INVALID_FILE_SIZE;
 884     if (filesizehigh) *filesizehigh = size.u.HighPart;
 885     if (size.u.LowPart == INVALID_FILE_SIZE) SetLastError(0);
 886     return size.u.LowPart;
 887 }
 888
 889
 890 /***********************************************************************
 891  *           GetFileSizeEx   (KERNEL32.@)
 892  *
 893  * Retrieve the size of a file.
 894  *
 895  * PARAMS
 896  *  hFile        [I] File to retrieve size of.
 897  *  lpFileSIze   [O] On return, the size of the file.
 898  *
 899  * RETURNS
 900  *  Success: TRUE.
 901  *  Failure: FALSE, check GetLastError().
 902  */
 903 BOOL WINAPI GetFileSizeEx( HANDLE hFile, PLARGE_INTEGER lpFileSize )
 904 {
 905     FILE_STANDARD_INFORMATION info;
 906     IO_STATUS_BLOCK io;
 907     NTSTATUS status;
 908
 909     status = NtQueryInformationFile( hFile, &io, &info, sizeof(info), FileStandardInformation );
 910     if (status == STATUS_SUCCESS)
 911     {
 912         *lpFileSize = info.EndOfFile;
 913         return TRUE;
 914     }
 915     SetLastError( RtlNtStatusToDosError(status) );
 916     return FALSE;
 917 }
 918
 919
 920 /**************************************************************************
 921  *           SetEndOfFile   (KERNEL32.@)
 922  *
 923  * Sets the current position as the end of the file.
 924  *
 925  * PARAMS
 926  *  hFile [I] File handle.
 927  *
 928  * RETURNS
 929  *  Success: TRUE.
 930  *  Failure: FALSE, check GetLastError().
 931  */
 932 BOOL WINAPI SetEndOfFile( HANDLE hFile )
 933 {
 934     FILE_POSITION_INFORMATION pos;
 935     FILE_END_OF_FILE_INFORMATION eof;
 936     IO_STATUS_BLOCK io;
 937     NTSTATUS status;
 938
 939     status = NtQueryInformationFile( hFile, &io, &pos, sizeof(pos), FilePositionInformation );
 940     if (status == STATUS_SUCCESS)
 941     {
 942         eof.EndOfFile = pos.CurrentByteOffset;
 943         status = NtSetInformationFile( hFile, &io, &eof, sizeof(eof), FileEndOfFileInformation );
 944     }
 945     if (status == STATUS_SUCCESS) return TRUE;
 946     SetLastError( RtlNtStatusToDosError(status) );
 947     return FALSE;
 948 }
 949
 950
 951 /***********************************************************************
 952  *           SetFilePointer   (KERNEL32.@)
 953  */
 954 DWORD WINAPI SetFilePointer( HANDLE hFile, LONG distance, LONG *highword, DWORD method )
 955 {
 956     LARGE_INTEGER dist, newpos;
 957
 958     if (highword)
 959     {
 960         dist.u.LowPart  = distance;
 961         dist.u.HighPart = *highword;
 962     }
 963     else dist.QuadPart = distance;
 964
 965     if (!SetFilePointerEx( hFile, dist, &newpos, method )) return INVALID_SET_FILE_POINTER;
 966
 967     if (highword) *highword = newpos.u.HighPart;
 968     if (newpos.u.LowPart == INVALID_SET_FILE_POINTER) SetLastError( 0 );
 969     return newpos.u.LowPart;
 970 }
 971
 972
 973 /***********************************************************************
 974  *           SetFilePointerEx   (KERNEL32.@)
 975  */
 976 BOOL WINAPI SetFilePointerEx( HANDLE hFile, LARGE_INTEGER distance,
 977                               LARGE_INTEGER *newpos, DWORD method )
 978 {
 979     LONGLONG pos;
 980     IO_STATUS_BLOCK io;
 981     FILE_POSITION_INFORMATION info;
 982
 983     switch(method)
 984     {
 985     case FILE_BEGIN:
 986         pos = distance.QuadPart;
 987         break;
 988     case FILE_CURRENT:
 989         if (NtQueryInformationFile( hFile, &io, &info, sizeof(info), FilePositionInformation ))
 990             goto error;
 991         pos = info.CurrentByteOffset.QuadPart + distance.QuadPart;
 992         break;
 993     case FILE_END:
 994         {
 995             FILE_END_OF_FILE_INFORMATION eof;
 996             if (NtQueryInformationFile( hFile, &io, &eof, sizeof(eof), FileEndOfFileInformation ))
 997                 goto error;
 998             pos = eof.EndOfFile.QuadPart + distance.QuadPart;
 999         }
1000         break;
1001     default:
1002         SetLastError( ERROR_INVALID_PARAMETER );
1003         return FALSE;
1004     }
1005
1006     if (pos < 0)
1007     {
1008         SetLastError( ERROR_NEGATIVE_SEEK );
1009         return FALSE;
1010     }
1011
1012     info.CurrentByteOffset.QuadPart = pos;
1013     if (NtSetInformationFile( hFile, &io, &info, sizeof(info), FilePositionInformation ))
1014         goto error;
1015     if (newpos) newpos->QuadPart = pos;
1016     return TRUE;
1017
1018 error:
1019     SetLastError( RtlNtStatusToDosError(io.u.Status) );
1020     return FALSE;
1021 }
1022
1023 /***********************************************************************
1024  *           SetFileValidData   (KERNEL32.@)
1025  */
1026 BOOL WINAPI SetFileValidData( HANDLE hFile, LONGLONG ValidDataLength )
1027 {
1028     FIXME("stub: %p, %s\n", hFile, wine_dbgstr_longlong(ValidDataLength));
1029     SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
1030     return FALSE;
1031 }
1032
1033 /***********************************************************************
1034  *           GetFileTime   (KERNEL32.@)
1035  */
1036 BOOL WINAPI GetFileTime( HANDLE hFile, FILETIME *lpCreationTime,
1037                          FILETIME *lpLastAccessTime, FILETIME *lpLastWriteTime )
1038 {
1039     FILE_BASIC_INFORMATION info;
1040     IO_STATUS_BLOCK io;
1041     NTSTATUS status;
1042
1043     status = NtQueryInformationFile( hFile, &io, &info, sizeof(info), FileBasicInformation );
1044     if (status == STATUS_SUCCESS)
1045     {
1046         if (lpCreationTime)
1047         {
1048             lpCreationTime->dwHighDateTime = info.CreationTime.u.HighPart;
1049             lpCreationTime->dwLowDateTime  = info.CreationTime.u.LowPart;
1050         }
1051         if (lpLastAccessTime)
1052         {
1053             lpLastAccessTime->dwHighDateTime = info.LastAccessTime.u.HighPart;
1054             lpLastAccessTime->dwLowDateTime  = info.LastAccessTime.u.LowPart;
1055         }
1056         if (lpLastWriteTime)
1057         {
1058             lpLastWriteTime->dwHighDateTime = info.LastWriteTime.u.HighPart;
1059             lpLastWriteTime->dwLowDateTime  = info.LastWriteTime.u.LowPart;
1060         }
1061         return TRUE;
1062     }
1063     SetLastError( RtlNtStatusToDosError(status) );
1064     return FALSE;
1065 }
1066
1067
1068 /***********************************************************************
1069  *              SetFileTime   (KERNEL32.@)
1070  */
1071 BOOL WINAPI SetFileTime( HANDLE hFile, const FILETIME *ctime,
1072                          const FILETIME *atime, const FILETIME *mtime )
1073 {
1074     FILE_BASIC_INFORMATION info;
1075     IO_STATUS_BLOCK io;
1076     NTSTATUS status;
1077
1078     memset( &info, 0, sizeof(info) );
1079     if (ctime)
1080     {
1081         info.CreationTime.u.HighPart = ctime->dwHighDateTime;
1082         info.CreationTime.u.LowPart  = ctime->dwLowDateTime;
1083     }
1084     if (atime)
1085     {
1086         info.LastAccessTime.u.HighPart = atime->dwHighDateTime;
1087         info.LastAccessTime.u.LowPart  = atime->dwLowDateTime;
1088     }
1089     if (mtime)
1090     {
1091         info.LastWriteTime.u.HighPart = mtime->dwHighDateTime;
1092         info.LastWriteTime.u.LowPart  = mtime->dwLowDateTime;
1093     }
1094
1095     status = NtSetInformationFile( hFile, &io, &info, sizeof(info), FileBasicInformation );
1096     if (status == STATUS_SUCCESS) return TRUE;
1097     SetLastError( RtlNtStatusToDosError(status) );
1098     return FALSE;
1099 }
1100
1101
1102 /**************************************************************************
1103  *           LockFile   (KERNEL32.@)
1104  */
1105 BOOL WINAPI LockFile( HANDLE hFile, DWORD offset_low, DWORD offset_high,
1106                       DWORD count_low, DWORD count_high )
1107 {
1108     NTSTATUS            status;
1109     LARGE_INTEGER       count, offset;
1110
1111     TRACE( "%p %x%08x %x%08x\n",
1112            hFile, offset_high, offset_low, count_high, count_low );
1113
1114     count.u.LowPart = count_low;
1115     count.u.HighPart = count_high;
1116     offset.u.LowPart = offset_low;
1117     offset.u.HighPart = offset_high;
1118
1119     status = NtLockFile( hFile, 0, NULL, NULL,
1120                          NULL, &offset, &count, NULL, TRUE, TRUE );
1121
1122     if (status != STATUS_SUCCESS) SetLastError( RtlNtStatusToDosError(status) );
1123     return !status;
1124 }
1125
1126
1127 /**************************************************************************
1128  * LockFileEx [KERNEL32.@]
1129  *
1130  * Locks a byte range within an open file for shared or exclusive access.
1131  *
1132  * RETURNS
1133  *   success: TRUE
1134  *   failure: FALSE
1135  *
1136  * NOTES
1137  * Per Microsoft docs, the third parameter (reserved) must be set to 0.
1138  */
1139 BOOL WINAPI LockFileEx( HANDLE hFile, DWORD flags, DWORD reserved,
1140                         DWORD count_low, DWORD count_high, LPOVERLAPPED overlapped )
1141 {
1142     NTSTATUS status;
1143     LARGE_INTEGER count, offset;
1144     LPVOID   cvalue = NULL;
1145
1146     if (reserved)
1147     {
1148         SetLastError( ERROR_INVALID_PARAMETER );
1149         return FALSE;
1150     }
1151
1152     TRACE( "%p %x%08x %x%08x flags %x\n",
1153            hFile, overlapped->u.s.OffsetHigh, overlapped->u.s.Offset,
1154            count_high, count_low, flags );
1155
1156     count.u.LowPart = count_low;
1157     count.u.HighPart = count_high;
1158     offset.u.LowPart = overlapped->u.s.Offset;
1159     offset.u.HighPart = overlapped->u.s.OffsetHigh;
1160
1161     if (((ULONG_PTR)overlapped->hEvent & 1) == 0) cvalue = overlapped;
1162
1163     status = NtLockFile( hFile, overlapped->hEvent, NULL, cvalue,
1164                          NULL, &offset, &count, NULL,
1165                          flags & LOCKFILE_FAIL_IMMEDIATELY,
1166                          flags & LOCKFILE_EXCLUSIVE_LOCK );
1167
1168     if (status) SetLastError( RtlNtStatusToDosError(status) );
1169     return !status;
1170 }
1171
1172
1173 /**************************************************************************
1174  *           UnlockFile   (KERNEL32.@)
1175  */
1176 BOOL WINAPI UnlockFile( HANDLE hFile, DWORD offset_low, DWORD offset_high,
1177                         DWORD count_low, DWORD count_high )
1178 {
1179     NTSTATUS    status;
1180     LARGE_INTEGER count, offset;
1181
1182     count.u.LowPart = count_low;
1183     count.u.HighPart = count_high;
1184     offset.u.LowPart = offset_low;
1185     offset.u.HighPart = offset_high;
1186
1187     status = NtUnlockFile( hFile, NULL, &offset, &count, NULL);
1188     if (status) SetLastError( RtlNtStatusToDosError(status) );
1189     return !status;
1190 }
1191
1192
1193 /**************************************************************************
1194  *           UnlockFileEx   (KERNEL32.@)
1195  */
1196 BOOL WINAPI UnlockFileEx( HANDLE hFile, DWORD reserved, DWORD count_low, DWORD count_high,
1197                           LPOVERLAPPED overlapped )
1198 {
1199     if (reserved)
1200     {
1201         SetLastError( ERROR_INVALID_PARAMETER );
1202         return FALSE;
1203     }
1204     if (overlapped->hEvent) FIXME("Unimplemented overlapped operation\n");
1205
1206     return UnlockFile( hFile, overlapped->u.s.Offset, overlapped->u.s.OffsetHigh, count_low, count_high );
1207 }
1208
1209
1210 /*************************************************************************
1211  *           SetHandleCount   (KERNEL32.@)
1212  */
1213 UINT WINAPI SetHandleCount( UINT count )
1214 {
1215     return count;
1216 }
1217
1218
1219 /**************************************************************************
1220  *                      Operations on file names                          *
1221  **************************************************************************/
1222
1223
1224 /*************************************************************************
1225  * CreateFileW [KERNEL32.@]  Creates or opens a file or other object
1226  *
1227  * Creates or opens an object, and returns a handle that can be used to
1228  * access that object.
1229  *
1230  * PARAMS
1231  *
1232  * filename     [in] pointer to filename to be accessed
1233  * access       [in] access mode requested
1234  * sharing      [in] share mode
1235  * sa           [in] pointer to security attributes
1236  * creation     [in] how to create the file
1237  * attributes   [in] attributes for newly created file
1238  * template     [in] handle to file with extended attributes to copy
1239  *
1240  * RETURNS
1241  *   Success: Open handle to specified file
1242  *   Failure: INVALID_HANDLE_VALUE
1243  */
1244 HANDLE WINAPI CreateFileW( LPCWSTR filename, DWORD access, DWORD sharing,
1245                               LPSECURITY_ATTRIBUTES sa, DWORD creation,
1246                               DWORD attributes, HANDLE template )
1247 {
1248     NTSTATUS status;
1249     UINT options;
1250     OBJECT_ATTRIBUTES attr;
1251     UNICODE_STRING nameW;
1252     IO_STATUS_BLOCK io;
1253     HANDLE ret;
1254     DWORD dosdev;
1255     const WCHAR *vxd_name = NULL;
1256     static const WCHAR bkslashes_with_dotW[] = {'\\','\\','.','\\',0};
1257     static const WCHAR coninW[] = {'C','O','N','I','N','$',0};
1258     static const WCHAR conoutW[] = {'C','O','N','O','U','T','$',0};
1259     SECURITY_QUALITY_OF_SERVICE qos;
1260
1261     static const UINT nt_disposition[5] =
1262     {
1263         FILE_CREATE,        /* CREATE_NEW */
1264         FILE_OVERWRITE_IF,  /* CREATE_ALWAYS */
1265         FILE_OPEN,          /* OPEN_EXISTING */
1266         FILE_OPEN_IF,       /* OPEN_ALWAYS */
1267         FILE_OVERWRITE      /* TRUNCATE_EXISTING */
1268     };
1269
1270
1271     /* sanity checks */
1272
1273     if (!filename || !filename[0])
1274     {
1275         SetLastError( ERROR_PATH_NOT_FOUND );
1276         return INVALID_HANDLE_VALUE;
1277     }
1278
1279     TRACE("%s %s%s%s%s%s%s%s creation %d attributes 0x%x\n", debugstr_w(filename),
1280           (access & GENERIC_READ)?"GENERIC_READ ":"",
1281           (access & GENERIC_WRITE)?"GENERIC_WRITE ":"",
1282           (access & GENERIC_EXECUTE)?"GENERIC_EXECUTE ":"",
1283           (!access)?"QUERY_ACCESS ":"",
1284           (sharing & FILE_SHARE_READ)?"FILE_SHARE_READ ":"",
1285           (sharing & FILE_SHARE_WRITE)?"FILE_SHARE_WRITE ":"",
1286           (sharing & FILE_SHARE_DELETE)?"FILE_SHARE_DELETE ":"",
1287           creation, attributes);
1288
1289     /* Open a console for CONIN$ or CONOUT$ */
1290
1291     if (!strcmpiW(filename, coninW) || !strcmpiW(filename, conoutW))
1292     {
1293         ret = OpenConsoleW(filename, access, (sa && sa->bInheritHandle),
1294                            creation ? OPEN_EXISTING : 0);
1295         if (ret == INVALID_HANDLE_VALUE) SetLastError(ERROR_INVALID_PARAMETER);
1296         goto done;
1297     }
1298
1299     if (!strncmpW(filename, bkslashes_with_dotW, 4))
1300     {
1301         static const WCHAR pipeW[] = {'P','I','P','E','\\',0};
1302         static const WCHAR mailslotW[] = {'M','A','I','L','S','L','O','T','\\',0};
1303
1304         if ((isalphaW(filename[4]) && filename[5] == ':' && filename[6] == '\0') ||
1305             !strncmpiW( filename + 4, pipeW, 5 ) ||
1306             !strncmpiW( filename + 4, mailslotW, 9 ))
1307         {
1308             dosdev = 0;
1309         }
1310         else if ((dosdev = RtlIsDosDeviceName_U( filename + 4 )))
1311         {
1312             dosdev += MAKELONG( 0, 4*sizeof(WCHAR) );  /* adjust position to start of filename */
1313         }
1314         else if (GetVersion() & 0x80000000)
1315         {
1316             vxd_name = filename + 4;
1317             if (!creation) creation = OPEN_EXISTING;
1318         }
1319     }
1320     else dosdev = RtlIsDosDeviceName_U( filename );
1321
1322     if (dosdev)
1323     {
1324         static const WCHAR conW[] = {'C','O','N'};
1325
1326         if (LOWORD(dosdev) == sizeof(conW) &&
1327             !memicmpW( filename + HIWORD(dosdev)/sizeof(WCHAR), conW, sizeof(conW)/sizeof(WCHAR)))
1328         {
1329             switch (access & (GENERIC_READ|GENERIC_WRITE))
1330             {
1331             case GENERIC_READ:
1332                 ret = OpenConsoleW(coninW, access, (sa && sa->bInheritHandle), OPEN_EXISTING);
1333                 goto done;
1334             case GENERIC_WRITE:
1335                 ret = OpenConsoleW(conoutW, access, (sa && sa->bInheritHandle), OPEN_EXISTING);
1336                 goto done;
1337             default:
1338                 SetLastError( ERROR_FILE_NOT_FOUND );
1339                 return INVALID_HANDLE_VALUE;
1340             }
1341         }
1342     }
1343
1344     if (creation < CREATE_NEW || creation > TRUNCATE_EXISTING)
1345     {
1346         SetLastError( ERROR_INVALID_PARAMETER );
1347         return INVALID_HANDLE_VALUE;
1348     }
1349
1350     if (!RtlDosPathNameToNtPathName_U( filename, &nameW, NULL, NULL ))
1351     {
1352         SetLastError( ERROR_PATH_NOT_FOUND );
1353         return INVALID_HANDLE_VALUE;
1354     }
1355
1356     /* now call NtCreateFile */
1357
1358     options = 0;
1359     if (attributes & FILE_FLAG_BACKUP_SEMANTICS)
1360         options |= FILE_OPEN_FOR_BACKUP_INTENT;
1361     else
1362         options |= FILE_NON_DIRECTORY_FILE;
1363     if (attributes & FILE_FLAG_DELETE_ON_CLOSE)
1364     {
1365         options |= FILE_DELETE_ON_CLOSE;
1366         access |= DELETE;
1367     }
1368     if (attributes & FILE_FLAG_NO_BUFFERING)
1369         options |= FILE_NO_INTERMEDIATE_BUFFERING;
1370     if (!(attributes & FILE_FLAG_OVERLAPPED))
1371         options |= FILE_SYNCHRONOUS_IO_NONALERT;
1372     if (attributes & FILE_FLAG_RANDOM_ACCESS)
1373         options |= FILE_RANDOM_ACCESS;
1374     attributes &= FILE_ATTRIBUTE_VALID_FLAGS;
1375
1376     attr.Length = sizeof(attr);
1377     attr.RootDirectory = 0;
1378     attr.Attributes = OBJ_CASE_INSENSITIVE;
1379     attr.ObjectName = &nameW;
1380     attr.SecurityDescriptor = sa ? sa->lpSecurityDescriptor : NULL;
1381     if (attributes & SECURITY_SQOS_PRESENT)
1382     {
1383         qos.Length = sizeof(qos);
1384         qos.ImpersonationLevel = (attributes >> 16) & 0x3;
1385         qos.ContextTrackingMode = attributes & SECURITY_CONTEXT_TRACKING ? SECURITY_DYNAMIC_TRACKING : SECURITY_STATIC_TRACKING;
1386         qos.EffectiveOnly = attributes & SECURITY_EFFECTIVE_ONLY ? TRUE : FALSE;
1387         attr.SecurityQualityOfService = &qos;
1388     }
1389     else
1390         attr.SecurityQualityOfService = NULL;
1391
1392     if (sa && sa->bInheritHandle) attr.Attributes |= OBJ_INHERIT;
1393
1394     status = NtCreateFile( &ret, access, &attr, &io, NULL, attributes,
1395                            sharing, nt_disposition[creation - CREATE_NEW],
1396                            options, NULL, 0 );
1397     if (status)
1398     {
1399         if (vxd_name && vxd_name[0])
1400         {
1401             static HANDLE (*vxd_open)(LPCWSTR,DWORD,SECURITY_ATTRIBUTES*);
1402             if (!vxd_open) vxd_open = (void *)GetProcAddress( GetModuleHandleA("krnl386.exe16"),
1403                                                               "__wine_vxd_open" );
1404             if (vxd_open && (ret = vxd_open( vxd_name, access, sa ))) goto done;
1405         }
1406
1407         WARN("Unable to create file %s (status %x)\n", debugstr_w(filename), status);
1408         ret = INVALID_HANDLE_VALUE;
1409
1410         /* In the case file creation was rejected due to CREATE_NEW flag
1411          * was specified and file with that name already exists, correct
1412          * last error is ERROR_FILE_EXISTS and not ERROR_ALREADY_EXISTS.
1413          * Note: RtlNtStatusToDosError is not the subject to blame here.
1414          */
1415         if (status == STATUS_OBJECT_NAME_COLLISION)
1416             SetLastError( ERROR_FILE_EXISTS );
1417         else
1418             SetLastError( RtlNtStatusToDosError(status) );
1419     }
1420     else
1421     {
1422         if ((creation == CREATE_ALWAYS && io.Information == FILE_OVERWRITTEN) ||
1423             (creation == OPEN_ALWAYS && io.Information == FILE_OPENED))
1424             SetLastError( ERROR_ALREADY_EXISTS );
1425         else
1426             SetLastError( 0 );
1427     }
1428     RtlFreeUnicodeString( &nameW );
1429
1430  done:
1431     if (!ret) ret = INVALID_HANDLE_VALUE;
1432     TRACE("returning %p\n", ret);
1433     return ret;
1434 }
1435
1436
1437
1438 /*************************************************************************
1439  *              CreateFileA              (KERNEL32.@)
1440  *
1441  * See CreateFileW.
1442  */
1443 HANDLE WINAPI CreateFileA( LPCSTR filename, DWORD access, DWORD sharing,
1444                            LPSECURITY_ATTRIBUTES sa, DWORD creation,
1445                            DWORD attributes, HANDLE template)
1446 {
1447     WCHAR *nameW;
1448
1449     if (!(nameW = FILE_name_AtoW( filename, FALSE ))) return INVALID_HANDLE_VALUE;
1450     return CreateFileW( nameW, access, sharing, sa, creation, attributes, template );
1451 }
1452
1453
1454 /***********************************************************************
1455  *           DeleteFileW   (KERNEL32.@)
1456  *
1457  * Delete a file.
1458  *
1459  * PARAMS
1460  *  path [I] Path to the file to delete.
1461  *
1462  * RETURNS
1463  *  Success: TRUE.
1464  *  Failure: FALSE, check GetLastError().
1465  */
1466 BOOL WINAPI DeleteFileW( LPCWSTR path )
1467 {
1468     UNICODE_STRING nameW;
1469     OBJECT_ATTRIBUTES attr;
1470     NTSTATUS status;
1471     HANDLE hFile;
1472     IO_STATUS_BLOCK io;
1473
1474     TRACE("%s\n", debugstr_w(path) );
1475
1476     if (!RtlDosPathNameToNtPathName_U( path, &nameW, NULL, NULL ))
1477     {
1478         SetLastError( ERROR_PATH_NOT_FOUND );
1479         return FALSE;
1480     }
1481
1482     attr.Length = sizeof(attr);
1483     attr.RootDirectory = 0;
1484     attr.Attributes = OBJ_CASE_INSENSITIVE;
1485     attr.ObjectName = &nameW;
1486     attr.SecurityDescriptor = NULL;
1487     attr.SecurityQualityOfService = NULL;
1488
1489     status = NtCreateFile(&hFile, GENERIC_READ | GENERIC_WRITE | DELETE,
1490                           &attr, &io, NULL, 0,
1491                           FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
1492                           FILE_OPEN, FILE_DELETE_ON_CLOSE | FILE_NON_DIRECTORY_FILE, NULL, 0);
1493     if (status == STATUS_SUCCESS) status = NtClose(hFile);
1494
1495     RtlFreeUnicodeString( &nameW );
1496     if (status)
1497     {
1498         SetLastError( RtlNtStatusToDosError(status) );
1499         return FALSE;
1500     }
1501     return TRUE;
1502 }
1503
1504
1505 /***********************************************************************
1506  *           DeleteFileA   (KERNEL32.@)
1507  *
1508  * See DeleteFileW.
1509  */
1510 BOOL WINAPI DeleteFileA( LPCSTR path )
1511 {
1512     WCHAR *pathW;
1513
1514     if (!(pathW = FILE_name_AtoW( path, FALSE ))) return FALSE;
1515     return DeleteFileW( pathW );
1516 }
1517
1518
1519 /**************************************************************************
1520  *           ReplaceFileW   (KERNEL32.@)
1521  *           ReplaceFile    (KERNEL32.@)
1522  */
1523 BOOL WINAPI ReplaceFileW(LPCWSTR lpReplacedFileName, LPCWSTR lpReplacementFileName,
1524                          LPCWSTR lpBackupFileName, DWORD dwReplaceFlags,
1525                          LPVOID lpExclude, LPVOID lpReserved)
1526 {
1527     UNICODE_STRING nt_replaced_name, nt_replacement_name;
1528     ANSI_STRING unix_replaced_name, unix_replacement_name, unix_backup_name;
1529     HANDLE hReplaced = NULL, hReplacement = NULL, hBackup = NULL;
1530     DWORD error = ERROR_SUCCESS;
1531     UINT replaced_flags;
1532     BOOL ret = FALSE;
1533     NTSTATUS status;
1534     IO_STATUS_BLOCK io;
1535     OBJECT_ATTRIBUTES attr;
1536
1537     TRACE("%s %s %s 0x%08x %p %p\n", debugstr_w(lpReplacedFileName),
1538           debugstr_w(lpReplacementFileName), debugstr_w(lpBackupFileName),
1539           dwReplaceFlags, lpExclude, lpReserved);
1540
1541     if (dwReplaceFlags)
1542         FIXME("Ignoring flags %x\n", dwReplaceFlags);
1543
1544     /* First two arguments are mandatory */
1545     if (!lpReplacedFileName || !lpReplacementFileName)
1546     {
1547         SetLastError(ERROR_INVALID_PARAMETER);
1548         return FALSE;
1549     }
1550
1551     unix_replaced_name.Buffer = NULL;
1552     unix_replacement_name.Buffer = NULL;
1553     unix_backup_name.Buffer = NULL;
1554
1555     attr.Length = sizeof(attr);
1556     attr.RootDirectory = 0;
1557     attr.Attributes = OBJ_CASE_INSENSITIVE;
1558     attr.ObjectName = NULL;
1559     attr.SecurityDescriptor = NULL;
1560     attr.SecurityQualityOfService = NULL;
1561
1562     /* Open the "replaced" file for reading and writing */
1563     if (!(RtlDosPathNameToNtPathName_U(lpReplacedFileName, &nt_replaced_name, NULL, NULL)))
1564     {
1565         error = ERROR_PATH_NOT_FOUND;
1566         goto fail;
1567     }
1568     replaced_flags = lpBackupFileName ? FILE_OPEN : FILE_OPEN_IF;
1569     attr.ObjectName = &nt_replaced_name;
1570     status = NtOpenFile(&hReplaced, GENERIC_READ|GENERIC_WRITE|DELETE|SYNCHRONIZE,
1571                         &attr, &io,
1572                         FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE,
1573                         FILE_SYNCHRONOUS_IO_NONALERT|FILE_NON_DIRECTORY_FILE);
1574     if (status == STATUS_SUCCESS)
1575         status = wine_nt_to_unix_file_name(&nt_replaced_name, &unix_replaced_name, replaced_flags, FALSE);
1576     RtlFreeUnicodeString(&nt_replaced_name);
1577     if (status != STATUS_SUCCESS)
1578     {
1579         if (status == STATUS_OBJECT_NAME_NOT_FOUND)
1580             error = ERROR_FILE_NOT_FOUND;
1581         else
1582             error = ERROR_UNABLE_TO_REMOVE_REPLACED;
1583         goto fail;
1584     }
1585
1586     /*
1587      * Open the replacement file for reading, writing, and deleting
1588      * (writing and deleting are needed when finished)
1589      */
1590     if (!(RtlDosPathNameToNtPathName_U(lpReplacementFileName, &nt_replacement_name, NULL, NULL)))
1591     {
1592         error = ERROR_PATH_NOT_FOUND;
1593         goto fail;
1594     }
1595     attr.ObjectName = &nt_replacement_name;
1596     status = NtOpenFile(&hReplacement,
1597                         GENERIC_READ|GENERIC_WRITE|DELETE|WRITE_DAC|SYNCHRONIZE,
1598                         &attr, &io, 0,
1599                         FILE_SYNCHRONOUS_IO_NONALERT|FILE_NON_DIRECTORY_FILE);
1600     if (status == STATUS_SUCCESS)
1601         status = wine_nt_to_unix_file_name(&nt_replacement_name, &unix_replacement_name, FILE_OPEN, FALSE);
1602     RtlFreeUnicodeString(&nt_replacement_name);
1603     if (status != STATUS_SUCCESS)
1604     {
1605         error = RtlNtStatusToDosError(status);
1606         goto fail;
1607     }
1608
1609     /* If the user wants a backup then that needs to be performed first */
1610     if (lpBackupFileName)
1611     {
1612         UNICODE_STRING nt_backup_name;
1613         FILE_BASIC_INFORMATION replaced_info;
1614
1615         /* Obtain the file attributes from the "replaced" file */
1616         status = NtQueryInformationFile(hReplaced, &io, &replaced_info,
1617                                         sizeof(replaced_info),
1618                                         FileBasicInformation);
1619         if (status != STATUS_SUCCESS)
1620         {
1621             error = RtlNtStatusToDosError(status);
1622             goto fail;
1623         }
1624
1625         if (!(RtlDosPathNameToNtPathName_U(lpBackupFileName, &nt_backup_name, NULL, NULL)))
1626         {
1627             error = ERROR_PATH_NOT_FOUND;
1628             goto fail;
1629         }
1630         attr.ObjectName = &nt_backup_name;
1631         /* Open the backup with permissions to write over it */
1632         status = NtCreateFile(&hBackup, GENERIC_WRITE,
1633                               &attr, &io, NULL, replaced_info.FileAttributes,
1634                               FILE_SHARE_WRITE, FILE_OPEN_IF,
1635                               FILE_SYNCHRONOUS_IO_NONALERT|FILE_NON_DIRECTORY_FILE,
1636                               NULL, 0);
1637         if (status == STATUS_SUCCESS)
1638             status = wine_nt_to_unix_file_name(&nt_backup_name, &unix_backup_name, FILE_OPEN_IF, FALSE);
1639         RtlFreeUnicodeString(&nt_backup_name);
1640         if (status != STATUS_SUCCESS)
1641         {
1642             error = RtlNtStatusToDosError(status);
1643             goto fail;
1644         }
1645
1646         /* If an existing backup exists then copy over it */
1647         if (rename(unix_replaced_name.Buffer, unix_backup_name.Buffer) == -1)
1648         {
1649             error = ERROR_UNABLE_TO_REMOVE_REPLACED; /* is this correct? */
1650             goto fail;
1651         }
1652     }
1653
1654     /*
1655      * Now that the backup has been performed (if requested), copy the replacement
1656      * into place
1657      */
1658     if (rename(unix_replacement_name.Buffer, unix_replaced_name.Buffer) == -1)
1659     {
1660         if (errno == EACCES)
1661         {
1662             /* Inappropriate permissions on "replaced", rename will fail */
1663             error = ERROR_UNABLE_TO_REMOVE_REPLACED;
1664             goto fail;
1665         }
1666         /* on failure we need to indicate whether a backup was made */
1667         if (!lpBackupFileName)
1668             error = ERROR_UNABLE_TO_MOVE_REPLACEMENT;
1669         else
1670             error = ERROR_UNABLE_TO_MOVE_REPLACEMENT_2;
1671         goto fail;
1672     }
1673     /* Success! */
1674     ret = TRUE;
1675
1676     /* Perform resource cleanup */
1677 fail:
1678     if (hBackup) CloseHandle(hBackup);
1679     if (hReplaced) CloseHandle(hReplaced);
1680     if (hReplacement) CloseHandle(hReplacement);
1681     RtlFreeAnsiString(&unix_backup_name);
1682     RtlFreeAnsiString(&unix_replacement_name);
1683     RtlFreeAnsiString(&unix_replaced_name);
1684
1685     /* If there was an error, set the error code */
1686     if(!ret)
1687         SetLastError(error);
1688     return ret;
1689 }
1690
1691
1692 /**************************************************************************
1693  *           ReplaceFileA (KERNEL32.@)
1694  */
1695 BOOL WINAPI ReplaceFileA(LPCSTR lpReplacedFileName,LPCSTR lpReplacementFileName,
1696                          LPCSTR lpBackupFileName, DWORD dwReplaceFlags,
1697                          LPVOID lpExclude, LPVOID lpReserved)
1698 {
1699     WCHAR *replacedW, *replacementW, *backupW = NULL;
1700     BOOL ret;
1701
1702     /* This function only makes sense when the first two parameters are defined */
1703     if (!lpReplacedFileName || !(replacedW = FILE_name_AtoW( lpReplacedFileName, TRUE )))
1704     {
1705         SetLastError(ERROR_INVALID_PARAMETER);
1706         return FALSE;
1707     }
1708     if (!lpReplacementFileName || !(replacementW = FILE_name_AtoW( lpReplacementFileName, TRUE )))
1709     {
1710         HeapFree( GetProcessHeap(), 0, replacedW );
1711         SetLastError(ERROR_INVALID_PARAMETER);
1712         return FALSE;
1713     }
1714     /* The backup parameter, however, is optional */
1715     if (lpBackupFileName)
1716     {
1717         if (!(backupW = FILE_name_AtoW( lpBackupFileName, TRUE )))
1718         {
1719             HeapFree( GetProcessHeap(), 0, replacedW );
1720             HeapFree( GetProcessHeap(), 0, replacementW );
1721             SetLastError(ERROR_INVALID_PARAMETER);
1722             return FALSE;
1723         }
1724     }
1725     ret = ReplaceFileW( replacedW, replacementW, backupW, dwReplaceFlags, lpExclude, lpReserved );
1726     HeapFree( GetProcessHeap(), 0, replacedW );
1727     HeapFree( GetProcessHeap(), 0, replacementW );
1728     HeapFree( GetProcessHeap(), 0, backupW );
1729     return ret;
1730 }
1731
1732
1733 /*************************************************************************
1734  *           FindFirstFileExW  (KERNEL32.@)
1735  *
1736  * NOTE: The FindExSearchLimitToDirectories is ignored - it gives the same
1737  * results as FindExSearchNameMatch
1738  */
1739 HANDLE WINAPI FindFirstFileExW( LPCWSTR filename, FINDEX_INFO_LEVELS level,
1740                                 LPVOID data, FINDEX_SEARCH_OPS search_op,
1741                                 LPVOID filter, DWORD flags)
1742 {
1743     WCHAR *mask, *p;
1744     FIND_FIRST_INFO *info = NULL;
1745     UNICODE_STRING nt_name;
1746     OBJECT_ATTRIBUTES attr;
1747     IO_STATUS_BLOCK io;
1748     NTSTATUS status;
1749     DWORD device = 0;
1750
1751     TRACE("%s %d %p %d %p %x\n", debugstr_w(filename), level, data, search_op, filter, flags);
1752
1753     if ((search_op != FindExSearchNameMatch && search_op != FindExSearchLimitToDirectories)
1754         || flags != 0)
1755     {
1756         FIXME("options not implemented 0x%08x 0x%08x\n", search_op, flags );
1757         return INVALID_HANDLE_VALUE;
1758     }
1759     if (level != FindExInfoStandard)
1760     {
1761         FIXME("info level %d not implemented\n", level );
1762         return INVALID_HANDLE_VALUE;
1763     }
1764
1765     if (!RtlDosPathNameToNtPathName_U( filename, &nt_name, &mask, NULL ))
1766     {
1767         SetLastError( ERROR_PATH_NOT_FOUND );
1768         return INVALID_HANDLE_VALUE;
1769     }
1770
1771     if (!(info = HeapAlloc( GetProcessHeap(), 0, sizeof(*info))))
1772     {
1773         SetLastError( ERROR_NOT_ENOUGH_MEMORY );
1774         goto error;
1775     }
1776
1777     if (!mask && (device = RtlIsDosDeviceName_U( filename )))
1778     {
1779         static const WCHAR dotW[] = {'.',0};
1780         WCHAR *dir = NULL;
1781
1782         /* we still need to check that the directory can be opened */
1783
1784         if (HIWORD(device))
1785         {
1786             if (!(dir = HeapAlloc( GetProcessHeap(), 0, HIWORD(device) + sizeof(WCHAR) )))
1787             {
1788                 SetLastError( ERROR_NOT_ENOUGH_MEMORY );
1789                 goto error;
1790             }
1791             memcpy( dir, filename, HIWORD(device) );
1792             dir[HIWORD(device)/sizeof(WCHAR)] = 0;
1793         }
1794         RtlFreeUnicodeString( &nt_name );
1795         if (!RtlDosPathNameToNtPathName_U( dir ? dir : dotW, &nt_name, &mask, NULL ))
1796         {
1797             HeapFree( GetProcessHeap(), 0, dir );
1798             SetLastError( ERROR_PATH_NOT_FOUND );
1799             goto error;
1800         }
1801         HeapFree( GetProcessHeap(), 0, dir );
1802         RtlInitUnicodeString( &info->mask, NULL );
1803     }
1804     else if (!mask || !*mask)
1805     {
1806         SetLastError( ERROR_FILE_NOT_FOUND );
1807         goto error;
1808     }
1809     else
1810     {
1811         if (!RtlCreateUnicodeString( &info->mask, mask ))
1812         {
1813             SetLastError( ERROR_NOT_ENOUGH_MEMORY );
1814             goto error;
1815         }
1816
1817         /* truncate dir name before mask */
1818         *mask = 0;
1819         nt_name.Length = (mask - nt_name.Buffer) * sizeof(WCHAR);
1820     }
1821
1822     /* check if path is the root of the drive */
1823     info->is_root = FALSE;
1824     p = nt_name.Buffer + 4;  /* skip \??\ prefix */
1825     if (p[0] && p[1] == ':')
1826     {
1827         p += 2;
1828         while (*p == '\\') p++;
1829         info->is_root = (*p == 0);
1830     }
1831
1832     attr.Length = sizeof(attr);
1833     attr.RootDirectory = 0;
1834     attr.Attributes = OBJ_CASE_INSENSITIVE;
1835     attr.ObjectName = &nt_name;
1836     attr.SecurityDescriptor = NULL;
1837     attr.SecurityQualityOfService = NULL;
1838
1839     status = NtOpenFile( &info->handle, GENERIC_READ, &attr, &io,
1840                          FILE_SHARE_READ | FILE_SHARE_WRITE,
1841                          FILE_DIRECTORY_FILE | FILE_SYNCHRONOUS_IO_NONALERT );
1842
1843     if (status != STATUS_SUCCESS)
1844     {
1845         RtlFreeUnicodeString( &info->mask );
1846         if (status == STATUS_OBJECT_NAME_NOT_FOUND)
1847             SetLastError( ERROR_PATH_NOT_FOUND );
1848         else
1849             SetLastError( RtlNtStatusToDosError(status) );
1850         goto error;
1851     }
1852
1853     RtlInitializeCriticalSection( &info->cs );
1854     info->cs.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": FIND_FIRST_INFO.cs");
1855     info->path     = nt_name;
1856     info->magic    = FIND_FIRST_MAGIC;
1857     info->data_pos = 0;
1858     info->data_len = 0;
1859     info->search_op = search_op;
1860
1861     if (device)
1862     {
1863         WIN32_FIND_DATAW *wfd = data;
1864
1865         memset( wfd, 0, sizeof(*wfd) );
1866         memcpy( wfd->cFileName, filename + HIWORD(device)/sizeof(WCHAR), LOWORD(device) );
1867         wfd->dwFileAttributes = FILE_ATTRIBUTE_ARCHIVE;
1868         CloseHandle( info->handle );
1869         info->handle = 0;
1870     }
1871     else
1872     {
1873         IO_STATUS_BLOCK io;
1874
1875         NtQueryDirectoryFile( info->handle, 0, NULL, NULL, &io, info->data, sizeof(info->data),
1876                               FileBothDirectoryInformation, FALSE, &info->mask, TRUE );
1877         if (io.u.Status)
1878         {
1879             FindClose( info );
1880             SetLastError( RtlNtStatusToDosError( io.u.Status ) );
1881             return INVALID_HANDLE_VALUE;
1882         }
1883         info->data_len = io.Information;
1884         if (!FindNextFileW( info, data ))
1885         {
1886             TRACE( "%s not found\n", debugstr_w(filename) );
1887             FindClose( info );
1888             SetLastError( ERROR_FILE_NOT_FOUND );
1889             return INVALID_HANDLE_VALUE;
1890         }
1891         if (!strpbrkW( info->mask.Buffer, wildcardsW ))
1892         {
1893             /* we can't find two files with the same name */
1894             CloseHandle( info->handle );
1895             info->handle = 0;
1896         }
1897     }
1898     return info;
1899
1900 error:
1901     HeapFree( GetProcessHeap(), 0, info );
1902     RtlFreeUnicodeString( &nt_name );
1903     return INVALID_HANDLE_VALUE;
1904 }
1905
1906
1907 /*************************************************************************
1908  *           FindNextFileW   (KERNEL32.@)
1909  */
1910 BOOL WINAPI FindNextFileW( HANDLE handle, WIN32_FIND_DATAW *data )
1911 {
1912     FIND_FIRST_INFO *info;
1913     FILE_BOTH_DIR_INFORMATION *dir_info;
1914     BOOL ret = FALSE;
1915
1916     TRACE("%p %p\n", handle, data);
1917
1918     if (!handle || handle == INVALID_HANDLE_VALUE)
1919     {
1920         SetLastError( ERROR_INVALID_HANDLE );
1921         return ret;
1922     }
1923     info = handle;
1924     if (info->magic != FIND_FIRST_MAGIC)
1925     {
1926         SetLastError( ERROR_INVALID_HANDLE );
1927         return ret;
1928     }
1929
1930     RtlEnterCriticalSection( &info->cs );
1931
1932     if (!info->handle) SetLastError( ERROR_NO_MORE_FILES );
1933     else for (;;)
1934     {
1935         if (info->data_pos >= info->data_len)  /* need to read some more data */
1936         {
1937             IO_STATUS_BLOCK io;
1938
1939             NtQueryDirectoryFile( info->handle, 0, NULL, NULL, &io, info->data, sizeof(info->data),
1940                                   FileBothDirectoryInformation, FALSE, &info->mask, FALSE );
1941             if (io.u.Status)
1942             {
1943                 SetLastError( RtlNtStatusToDosError( io.u.Status ) );
1944                 if (io.u.Status == STATUS_NO_MORE_FILES)
1945                 {
1946                     CloseHandle( info->handle );
1947                     info->handle = 0;
1948                 }
1949                 break;
1950             }
1951             info->data_len = io.Information;
1952             info->data_pos = 0;
1953         }
1954
1955         dir_info = (FILE_BOTH_DIR_INFORMATION *)(info->data + info->data_pos);
1956
1957         if (dir_info->NextEntryOffset) info->data_pos += dir_info->NextEntryOffset;
1958         else info->data_pos = info->data_len;
1959
1960         /* don't return '.' and '..' in the root of the drive */
1961         if (info->is_root)
1962         {
1963             if (dir_info->FileNameLength == sizeof(WCHAR) && dir_info->FileName[0] == '.') continue;
1964             if (dir_info->FileNameLength == 2 * sizeof(WCHAR) &&
1965                 dir_info->FileName[0] == '.' && dir_info->FileName[1] == '.') continue;
1966         }
1967
1968         /* check for dir symlink */
1969         if ((dir_info->FileAttributes & FILE_ATTRIBUTE_DIRECTORY) &&
1970             (dir_info->FileAttributes & FILE_ATTRIBUTE_REPARSE_POINT) &&
1971             strpbrkW( info->mask.Buffer, wildcardsW ))
1972         {
1973             if (!check_dir_symlink( info, dir_info )) continue;
1974         }
1975
1976         data->dwFileAttributes = dir_info->FileAttributes;
1977         data->ftCreationTime   = *(FILETIME *)&dir_info->CreationTime;
1978         data->ftLastAccessTime = *(FILETIME *)&dir_info->LastAccessTime;
1979         data->ftLastWriteTime  = *(FILETIME *)&dir_info->LastWriteTime;
1980         data->nFileSizeHigh    = dir_info->EndOfFile.QuadPart >> 32;
1981         data->nFileSizeLow     = (DWORD)dir_info->EndOfFile.QuadPart;
1982         data->dwReserved0      = 0;
1983         data->dwReserved1      = 0;
1984
1985         memcpy( data->cFileName, dir_info->FileName, dir_info->FileNameLength );
1986         data->cFileName[dir_info->FileNameLength/sizeof(WCHAR)] = 0;
1987         memcpy( data->cAlternateFileName, dir_info->ShortName, dir_info->ShortNameLength );
1988         data->cAlternateFileName[dir_info->ShortNameLength/sizeof(WCHAR)] = 0;
1989
1990         TRACE("returning %s (%s)\n",
1991               debugstr_w(data->cFileName), debugstr_w(data->cAlternateFileName) );
1992
1993         ret = TRUE;
1994         break;
1995     }
1996
1997     RtlLeaveCriticalSection( &info->cs );
1998     return ret;
1999 }
2000
2001
2002 /*************************************************************************
2003  *           FindClose   (KERNEL32.@)
2004  */
2005 BOOL WINAPI FindClose( HANDLE handle )
2006 {
2007     FIND_FIRST_INFO *info = handle;
2008
2009     if (!handle || handle == INVALID_HANDLE_VALUE)
2010     {
2011         SetLastError( ERROR_INVALID_HANDLE );
2012         return FALSE;
2013     }
2014
2015     __TRY
2016     {
2017         if (info->magic == FIND_FIRST_MAGIC)
2018         {
2019             RtlEnterCriticalSection( &info->cs );
2020             if (info->magic == FIND_FIRST_MAGIC)  /* in case someone else freed it in the meantime */
2021             {
2022                 info->magic = 0;
2023                 if (info->handle) CloseHandle( info->handle );
2024                 info->handle = 0;
2025                 RtlFreeUnicodeString( &info->mask );
2026                 info->mask.Buffer = NULL;
2027                 RtlFreeUnicodeString( &info->path );
2028                 info->data_pos = 0;
2029                 info->data_len = 0;
2030                 RtlLeaveCriticalSection( &info->cs );
2031                 info->cs.DebugInfo->Spare[0] = 0;
2032                 RtlDeleteCriticalSection( &info->cs );
2033                 HeapFree( GetProcessHeap(), 0, info );
2034             }
2035         }
2036     }
2037     __EXCEPT_PAGE_FAULT
2038     {
2039         WARN("Illegal handle %p\n", handle);
2040         SetLastError( ERROR_INVALID_HANDLE );
2041         return FALSE;
2042     }
2043     __ENDTRY
2044
2045     return TRUE;
2046 }
2047
2048
2049 /*************************************************************************
2050  *           FindFirstFileA   (KERNEL32.@)
2051  */
2052 HANDLE WINAPI FindFirstFileA( LPCSTR lpFileName, WIN32_FIND_DATAA *lpFindData )
2053 {
2054     return FindFirstFileExA(lpFileName, FindExInfoStandard, lpFindData,
2055                             FindExSearchNameMatch, NULL, 0);
2056 }
2057
2058 /*************************************************************************
2059  *           FindFirstFileExA   (KERNEL32.@)
2060  */
2061 HANDLE WINAPI FindFirstFileExA( LPCSTR lpFileName, FINDEX_INFO_LEVELS fInfoLevelId,
2062                                 LPVOID lpFindFileData, FINDEX_SEARCH_OPS fSearchOp,
2063                                 LPVOID lpSearchFilter, DWORD dwAdditionalFlags)
2064 {
2065     HANDLE handle;
2066     WIN32_FIND_DATAA *dataA;
2067     WIN32_FIND_DATAW dataW;
2068     WCHAR *nameW;
2069
2070     if (!(nameW = FILE_name_AtoW( lpFileName, FALSE ))) return INVALID_HANDLE_VALUE;
2071
2072     handle = FindFirstFileExW(nameW, fInfoLevelId, &dataW, fSearchOp, lpSearchFilter, dwAdditionalFlags);
2073     if (handle == INVALID_HANDLE_VALUE) return handle;
2074
2075     dataA = lpFindFileData;
2076     dataA->dwFileAttributes = dataW.dwFileAttributes;
2077     dataA->ftCreationTime   = dataW.ftCreationTime;
2078     dataA->ftLastAccessTime = dataW.ftLastAccessTime;
2079     dataA->ftLastWriteTime  = dataW.ftLastWriteTime;
2080     dataA->nFileSizeHigh    = dataW.nFileSizeHigh;
2081     dataA->nFileSizeLow     = dataW.nFileSizeLow;
2082     FILE_name_WtoA( dataW.cFileName, -1, dataA->cFileName, sizeof(dataA->cFileName) );
2083     FILE_name_WtoA( dataW.cAlternateFileName, -1, dataA->cAlternateFileName,
2084                     sizeof(dataA->cAlternateFileName) );
2085     return handle;
2086 }
2087
2088
2089 /*************************************************************************
2090  *           FindFirstFileW   (KERNEL32.@)
2091  */
2092 HANDLE WINAPI FindFirstFileW( LPCWSTR lpFileName, WIN32_FIND_DATAW *lpFindData )
2093 {
2094     return FindFirstFileExW(lpFileName, FindExInfoStandard, lpFindData,
2095                             FindExSearchNameMatch, NULL, 0);
2096 }
2097
2098
2099 /*************************************************************************
2100  *           FindNextFileA   (KERNEL32.@)
2101  */
2102 BOOL WINAPI FindNextFileA( HANDLE handle, WIN32_FIND_DATAA *data )
2103 {
2104     WIN32_FIND_DATAW dataW;
2105
2106     if (!FindNextFileW( handle, &dataW )) return FALSE;
2107     data->dwFileAttributes = dataW.dwFileAttributes;
2108     data->ftCreationTime   = dataW.ftCreationTime;
2109     data->ftLastAccessTime = dataW.ftLastAccessTime;
2110     data->ftLastWriteTime  = dataW.ftLastWriteTime;
2111     data->nFileSizeHigh    = dataW.nFileSizeHigh;
2112     data->nFileSizeLow     = dataW.nFileSizeLow;
2113     FILE_name_WtoA( dataW.cFileName, -1, data->cFileName, sizeof(data->cFileName) );
2114     FILE_name_WtoA( dataW.cAlternateFileName, -1, data->cAlternateFileName,
2115                     sizeof(data->cAlternateFileName) );
2116     return TRUE;
2117 }
2118
2119
2120 /**************************************************************************
2121  *           GetFileAttributesW   (KERNEL32.@)
2122  */
2123 DWORD WINAPI GetFileAttributesW( LPCWSTR name )
2124 {
2125     FILE_BASIC_INFORMATION info;
2126     UNICODE_STRING nt_name;
2127     OBJECT_ATTRIBUTES attr;
2128     NTSTATUS status;
2129
2130     TRACE("%s\n", debugstr_w(name));
2131
2132     if (!RtlDosPathNameToNtPathName_U( name, &nt_name, NULL, NULL ))
2133     {
2134         SetLastError( ERROR_PATH_NOT_FOUND );
2135         return INVALID_FILE_ATTRIBUTES;
2136     }
2137
2138     attr.Length = sizeof(attr);
2139     attr.RootDirectory = 0;
2140     attr.Attributes = OBJ_CASE_INSENSITIVE;
2141     attr.ObjectName = &nt_name;
2142     attr.SecurityDescriptor = NULL;
2143     attr.SecurityQualityOfService = NULL;
2144
2145     status = NtQueryAttributesFile( &attr, &info );
2146     RtlFreeUnicodeString( &nt_name );
2147
2148     if (status == STATUS_SUCCESS) return info.FileAttributes;
2149
2150     /* NtQueryAttributesFile fails on devices, but GetFileAttributesW succeeds */
2151     if (RtlIsDosDeviceName_U( name )) return FILE_ATTRIBUTE_ARCHIVE;
2152
2153     SetLastError( RtlNtStatusToDosError(status) );
2154     return INVALID_FILE_ATTRIBUTES;
2155 }
2156
2157
2158 /**************************************************************************
2159  *           GetFileAttributesA   (KERNEL32.@)
2160  */
2161 DWORD WINAPI GetFileAttributesA( LPCSTR name )
2162 {
2163     WCHAR *nameW;
2164
2165     if (!(nameW = FILE_name_AtoW( name, FALSE ))) return INVALID_FILE_ATTRIBUTES;
2166     return GetFileAttributesW( nameW );
2167 }
2168
2169
2170 /**************************************************************************
2171  *              SetFileAttributesW      (KERNEL32.@)
2172  */
2173 BOOL WINAPI SetFileAttributesW( LPCWSTR name, DWORD attributes )
2174 {
2175     UNICODE_STRING nt_name;
2176     OBJECT_ATTRIBUTES attr;
2177     IO_STATUS_BLOCK io;
2178     NTSTATUS status;
2179     HANDLE handle;
2180
2181     TRACE("%s %x\n", debugstr_w(name), attributes);
2182
2183     if (!RtlDosPathNameToNtPathName_U( name, &nt_name, NULL, NULL ))
2184     {
2185         SetLastError( ERROR_PATH_NOT_FOUND );
2186         return FALSE;
2187     }
2188
2189     attr.Length = sizeof(attr);
2190     attr.RootDirectory = 0;
2191     attr.Attributes = OBJ_CASE_INSENSITIVE;
2192     attr.ObjectName = &nt_name;
2193     attr.SecurityDescriptor = NULL;
2194     attr.SecurityQualityOfService = NULL;
2195
2196     status = NtOpenFile( &handle, 0, &attr, &io, 0, FILE_SYNCHRONOUS_IO_NONALERT );
2197     RtlFreeUnicodeString( &nt_name );
2198
2199     if (status == STATUS_SUCCESS)
2200     {
2201         FILE_BASIC_INFORMATION info;
2202
2203         memset( &info, 0, sizeof(info) );
2204         info.FileAttributes = attributes | FILE_ATTRIBUTE_NORMAL;  /* make sure it's not zero */
2205         status = NtSetInformationFile( handle, &io, &info, sizeof(info), FileBasicInformation );
2206         NtClose( handle );
2207     }
2208
2209     if (status == STATUS_SUCCESS) return TRUE;
2210     SetLastError( RtlNtStatusToDosError(status) );
2211     return FALSE;
2212 }
2213
2214
2215 /**************************************************************************
2216  *              SetFileAttributesA      (KERNEL32.@)
2217  */
2218 BOOL WINAPI SetFileAttributesA( LPCSTR name, DWORD attributes )
2219 {
2220     WCHAR *nameW;
2221
2222     if (!(nameW = FILE_name_AtoW( name, FALSE ))) return FALSE;
2223     return SetFileAttributesW( nameW, attributes );
2224 }
2225
2226
2227 /**************************************************************************
2228  *           GetFileAttributesExW   (KERNEL32.@)
2229  */
2230 BOOL WINAPI GetFileAttributesExW( LPCWSTR name, GET_FILEEX_INFO_LEVELS level, LPVOID ptr )
2231 {
2232     FILE_NETWORK_OPEN_INFORMATION info;
2233     WIN32_FILE_ATTRIBUTE_DATA *data = ptr;
2234     UNICODE_STRING nt_name;
2235     OBJECT_ATTRIBUTES attr;
2236     NTSTATUS status;
2237
2238     TRACE("%s %d %p\n", debugstr_w(name), level, ptr);
2239
2240     if (level != GetFileExInfoStandard)
2241     {
2242         SetLastError( ERROR_INVALID_PARAMETER );
2243         return FALSE;
2244     }
2245
2246     if (!RtlDosPathNameToNtPathName_U( name, &nt_name, NULL, NULL ))
2247     {
2248         SetLastError( ERROR_PATH_NOT_FOUND );
2249         return FALSE;
2250     }
2251
2252     attr.Length = sizeof(attr);
2253     attr.RootDirectory = 0;
2254     attr.Attributes = OBJ_CASE_INSENSITIVE;
2255     attr.ObjectName = &nt_name;
2256     attr.SecurityDescriptor = NULL;
2257     attr.SecurityQualityOfService = NULL;
2258
2259     status = NtQueryFullAttributesFile( &attr, &info );
2260     RtlFreeUnicodeString( &nt_name );
2261
2262     if (status != STATUS_SUCCESS)
2263     {
2264         SetLastError( RtlNtStatusToDosError(status) );
2265         return FALSE;
2266     }
2267
2268     data->dwFileAttributes = info.FileAttributes;
2269     data->ftCreationTime.dwLowDateTime    = info.CreationTime.u.LowPart;
2270     data->ftCreationTime.dwHighDateTime   = info.CreationTime.u.HighPart;
2271     data->ftLastAccessTime.dwLowDateTime  = info.LastAccessTime.u.LowPart;
2272     data->ftLastAccessTime.dwHighDateTime = info.LastAccessTime.u.HighPart;
2273     data->ftLastWriteTime.dwLowDateTime   = info.LastWriteTime.u.LowPart;
2274     data->ftLastWriteTime.dwHighDateTime  = info.LastWriteTime.u.HighPart;
2275     data->nFileSizeLow                    = info.EndOfFile.u.LowPart;
2276     data->nFileSizeHigh                   = info.EndOfFile.u.HighPart;
2277     return TRUE;
2278 }
2279
2280
2281 /**************************************************************************
2282  *           GetFileAttributesExA   (KERNEL32.@)
2283  */
2284 BOOL WINAPI GetFileAttributesExA( LPCSTR name, GET_FILEEX_INFO_LEVELS level, LPVOID ptr )
2285 {
2286     WCHAR *nameW;
2287
2288     if (!(nameW = FILE_name_AtoW( name, FALSE ))) return FALSE;
2289     return GetFileAttributesExW( nameW, level, ptr );
2290 }
2291
2292
2293 /******************************************************************************
2294  *           GetCompressedFileSizeW   (KERNEL32.@)
2295  *
2296  * Get the actual number of bytes used on disk.
2297  *
2298  * RETURNS
2299  *    Success: Low-order doubleword of number of bytes
2300  *    Failure: INVALID_FILE_SIZE
2301  */
2302 DWORD WINAPI GetCompressedFileSizeW(
2303     LPCWSTR name,       /* [in]  Pointer to name of file */
2304     LPDWORD size_high ) /* [out] Receives high-order doubleword of size */
2305 {
2306     UNICODE_STRING nt_name;
2307     OBJECT_ATTRIBUTES attr;
2308     IO_STATUS_BLOCK io;
2309     NTSTATUS status;
2310     HANDLE handle;
2311     DWORD ret = INVALID_FILE_SIZE;
2312
2313     TRACE("%s %p\n", debugstr_w(name), size_high);
2314
2315     if (!RtlDosPathNameToNtPathName_U( name, &nt_name, NULL, NULL ))
2316     {
2317         SetLastError( ERROR_PATH_NOT_FOUND );
2318         return INVALID_FILE_SIZE;
2319     }
2320
2321     attr.Length = sizeof(attr);
2322     attr.RootDirectory = 0;
2323     attr.Attributes = OBJ_CASE_INSENSITIVE;
2324     attr.ObjectName = &nt_name;
2325     attr.SecurityDescriptor = NULL;
2326     attr.SecurityQualityOfService = NULL;
2327
2328     status = NtOpenFile( &handle, 0, &attr, &io, 0, FILE_SYNCHRONOUS_IO_NONALERT );
2329     RtlFreeUnicodeString( &nt_name );
2330
2331     if (status == STATUS_SUCCESS)
2332     {
2333         /* we don't support compressed files, simply return the file size */
2334         ret = GetFileSize( handle, size_high );
2335         NtClose( handle );
2336     }
2337     else SetLastError( RtlNtStatusToDosError(status) );
2338
2339     return ret;
2340 }
2341
2342
2343 /******************************************************************************
2344  *           GetCompressedFileSizeA   (KERNEL32.@)
2345  *
2346  * See GetCompressedFileSizeW.
2347  */
2348 DWORD WINAPI GetCompressedFileSizeA( LPCSTR name, LPDWORD size_high )
2349 {
2350     WCHAR *nameW;
2351
2352     if (!(nameW = FILE_name_AtoW( name, FALSE ))) return INVALID_FILE_SIZE;
2353     return GetCompressedFileSizeW( nameW, size_high );
2354 }
2355
2356
2357 /***********************************************************************
2358  *              OpenVxDHandle (KERNEL32.@)
2359  *
2360  *      This function is supposed to return the corresponding Ring 0
2361  *      ("kernel") handle for a Ring 3 handle in Win9x.
2362  *      Evidently, Wine will have problems with this. But we try anyway,
2363  *      maybe it helps...
2364  */
2365 HANDLE WINAPI OpenVxDHandle(HANDLE hHandleRing3)
2366 {
2367     FIXME( "(%p), stub! (returning Ring 3 handle instead of Ring 0)\n", hHandleRing3);
2368     return hHandleRing3;
2369 }
2370
2371
2372 /****************************************************************************
2373  *              DeviceIoControl (KERNEL32.@)
2374  */
2375 BOOL WINAPI DeviceIoControl(HANDLE hDevice, DWORD dwIoControlCode,
2376                             LPVOID lpvInBuffer, DWORD cbInBuffer,
2377                             LPVOID lpvOutBuffer, DWORD cbOutBuffer,
2378                             LPDWORD lpcbBytesReturned,
2379                             LPOVERLAPPED lpOverlapped)
2380 {
2381     NTSTATUS status;
2382
2383     TRACE( "(%p,%x,%p,%d,%p,%d,%p,%p)\n",
2384            hDevice,dwIoControlCode,lpvInBuffer,cbInBuffer,
2385            lpvOutBuffer,cbOutBuffer,lpcbBytesReturned,lpOverlapped );
2386
2387     /* Check if this is a user defined control code for a VxD */
2388
2389     if (HIWORD( dwIoControlCode ) == 0 && (GetVersion() & 0x80000000))
2390     {
2391         typedef BOOL (WINAPI *DeviceIoProc)(DWORD, LPVOID, DWORD, LPVOID, DWORD, LPDWORD, LPOVERLAPPED);
2392         static DeviceIoProc (*vxd_get_proc)(HANDLE);
2393         DeviceIoProc proc = NULL;
2394
2395         if (!vxd_get_proc) vxd_get_proc = (void *)GetProcAddress( GetModuleHandleA("krnl386.exe16"),
2396                                                                   "__wine_vxd_get_proc" );
2397         if (vxd_get_proc) proc = vxd_get_proc( hDevice );
2398         if (proc) return proc( dwIoControlCode, lpvInBuffer, cbInBuffer,
2399                                lpvOutBuffer, cbOutBuffer, lpcbBytesReturned, lpOverlapped );
2400     }
2401
2402     /* Not a VxD, let ntdll handle it */
2403
2404     if (lpOverlapped)
2405     {
2406         LPVOID cvalue = ((ULONG_PTR)lpOverlapped->hEvent & 1) ? NULL : lpOverlapped;
2407         lpOverlapped->Internal = STATUS_PENDING;
2408         lpOverlapped->InternalHigh = 0;
2409         if (HIWORD(dwIoControlCode) == FILE_DEVICE_FILE_SYSTEM)
2410             status = NtFsControlFile(hDevice, lpOverlapped->hEvent,
2411                                      NULL, cvalue, (PIO_STATUS_BLOCK)lpOverlapped,
2412                                      dwIoControlCode, lpvInBuffer, cbInBuffer,
2413                                      lpvOutBuffer, cbOutBuffer);
2414         else
2415             status = NtDeviceIoControlFile(hDevice, lpOverlapped->hEvent,
2416                                            NULL, cvalue, (PIO_STATUS_BLOCK)lpOverlapped,
2417                                            dwIoControlCode, lpvInBuffer, cbInBuffer,
2418                                            lpvOutBuffer, cbOutBuffer);
2419         if (lpcbBytesReturned) *lpcbBytesReturned = lpOverlapped->InternalHigh;
2420     }
2421     else
2422     {
2423         IO_STATUS_BLOCK iosb;
2424
2425         if (HIWORD(dwIoControlCode) == FILE_DEVICE_FILE_SYSTEM)
2426             status = NtFsControlFile(hDevice, NULL, NULL, NULL, &iosb,
2427                                      dwIoControlCode, lpvInBuffer, cbInBuffer,
2428                                      lpvOutBuffer, cbOutBuffer);
2429         else
2430             status = NtDeviceIoControlFile(hDevice, NULL, NULL, NULL, &iosb,
2431                                            dwIoControlCode, lpvInBuffer, cbInBuffer,
2432                                            lpvOutBuffer, cbOutBuffer);
2433         if (lpcbBytesReturned) *lpcbBytesReturned = iosb.Information;
2434     }
2435     if (status) SetLastError( RtlNtStatusToDosError(status) );
2436     return !status;
2437 }
2438
2439
2440 /***********************************************************************
2441  *           OpenFile   (KERNEL32.@)
2442  */
2443 HFILE WINAPI OpenFile( LPCSTR name, OFSTRUCT *ofs, UINT mode )
2444 {
2445     HANDLE handle;
2446     FILETIME filetime;
2447     WORD filedatetime[2];
2448
2449     if (!ofs) return HFILE_ERROR;
2450
2451     TRACE("%s %s %s %s%s%s%s%s%s%s%s%s\n",name,
2452           ((mode & 0x3 )==OF_READ)?"OF_READ":
2453           ((mode & 0x3 )==OF_WRITE)?"OF_WRITE":
2454           ((mode & 0x3 )==OF_READWRITE)?"OF_READWRITE":"unknown",
2455           ((mode & 0x70 )==OF_SHARE_COMPAT)?"OF_SHARE_COMPAT":
2456           ((mode & 0x70 )==OF_SHARE_DENY_NONE)?"OF_SHARE_DENY_NONE":
2457           ((mode & 0x70 )==OF_SHARE_DENY_READ)?"OF_SHARE_DENY_READ":
2458           ((mode & 0x70 )==OF_SHARE_DENY_WRITE)?"OF_SHARE_DENY_WRITE":
2459           ((mode & 0x70 )==OF_SHARE_EXCLUSIVE)?"OF_SHARE_EXCLUSIVE":"unknown",
2460           ((mode & OF_PARSE )==OF_PARSE)?"OF_PARSE ":"",
2461           ((mode & OF_DELETE )==OF_DELETE)?"OF_DELETE ":"",
2462           ((mode & OF_VERIFY )==OF_VERIFY)?"OF_VERIFY ":"",
2463           ((mode & OF_SEARCH )==OF_SEARCH)?"OF_SEARCH ":"",
2464           ((mode & OF_CANCEL )==OF_CANCEL)?"OF_CANCEL ":"",
2465           ((mode & OF_CREATE )==OF_CREATE)?"OF_CREATE ":"",
2466           ((mode & OF_PROMPT )==OF_PROMPT)?"OF_PROMPT ":"",
2467           ((mode & OF_EXIST )==OF_EXIST)?"OF_EXIST ":"",
2468           ((mode & OF_REOPEN )==OF_REOPEN)?"OF_REOPEN ":""
2469         );
2470
2471
2472     ofs->cBytes = sizeof(OFSTRUCT);
2473     ofs->nErrCode = 0;
2474     if (mode & OF_REOPEN) name = ofs->szPathName;
2475
2476     if (!name) return HFILE_ERROR;
2477
2478     TRACE("%s %04x\n", name, mode );
2479
2480     /* the watcom 10.6 IDE relies on a valid path returned in ofs->szPathName
2481        Are there any cases where getting the path here is wrong?
2482        Uwe Bonnes 1997 Apr 2 */
2483     if (!GetFullPathNameA( name, sizeof(ofs->szPathName), ofs->szPathName, NULL )) goto error;
2484
2485     /* OF_PARSE simply fills the structure */
2486
2487     if (mode & OF_PARSE)
2488     {
2489         ofs->fFixedDisk = (GetDriveTypeA( ofs->szPathName ) != DRIVE_REMOVABLE);
2490         TRACE("(%s): OF_PARSE, res = '%s'\n", name, ofs->szPathName );
2491         return 0;
2492     }
2493
2494     /* OF_CREATE is completely different from all other options, so
2495        handle it first */
2496
2497     if (mode & OF_CREATE)
2498     {
2499         if ((handle = create_file_OF( name, mode )) == INVALID_HANDLE_VALUE)
2500             goto error;
2501     }
2502     else
2503     {
2504         /* Now look for the file */
2505
2506         if (!SearchPathA( NULL, name, NULL, sizeof(ofs->szPathName), ofs->szPathName, NULL ))
2507             goto error;
2508
2509         TRACE("found %s\n", debugstr_a(ofs->szPathName) );
2510
2511         if (mode & OF_DELETE)
2512         {
2513             if (!DeleteFileA( ofs->szPathName )) goto error;
2514             TRACE("(%s): OF_DELETE return = OK\n", name);
2515             return TRUE;
2516         }
2517
2518         handle = LongToHandle(_lopen( ofs->szPathName, mode ));
2519         if (handle == INVALID_HANDLE_VALUE) goto error;
2520
2521         GetFileTime( handle, NULL, NULL, &filetime );
2522         FileTimeToDosDateTime( &filetime, &filedatetime[0], &filedatetime[1] );
2523         if ((mode & OF_VERIFY) && (mode & OF_REOPEN))
2524         {
2525             if (ofs->Reserved1 != filedatetime[0] || ofs->Reserved2 != filedatetime[1] )
2526             {
2527                 CloseHandle( handle );
2528                 WARN("(%s): OF_VERIFY failed\n", name );
2529                 /* FIXME: what error here? */
2530                 SetLastError( ERROR_FILE_NOT_FOUND );
2531                 goto error;
2532             }
2533         }
2534         ofs->Reserved1 = filedatetime[0];
2535         ofs->Reserved2 = filedatetime[1];
2536     }
2537     TRACE("(%s): OK, return = %p\n", name, handle );
2538     if (mode & OF_EXIST)  /* Return TRUE instead of a handle */
2539     {
2540         CloseHandle( handle );
2541         return TRUE;
2542     }
2543     return HandleToLong(handle);
2544
2545 error:  /* We get here if there was an error opening the file */
2546     ofs->nErrCode = GetLastError();
2547     WARN("(%s): return = HFILE_ERROR error= %d\n", name,ofs->nErrCode );
2548     return HFILE_ERROR;
2549 }
2550
2551 /***********************************************************************
2552  *           K32EnumDeviceDrivers (KERNEL32.@)
2553  */
2554 BOOL WINAPI K32EnumDeviceDrivers(void **image_base, DWORD cb, DWORD *needed)
2555 {
2556     FIXME("(%p, %d, %p): stub\n", image_base, cb, needed);
2557
2558     if (needed)
2559         *needed = 0;
2560
2561     return TRUE;
2562 }
2563
2564 /***********************************************************************
2565  *          K32GetDeviceDriverBaseNameA (KERNEL32.@)
2566  */
2567 DWORD WINAPI K32GetDeviceDriverBaseNameA(void *image_base, LPSTR base_name, DWORD size)
2568 {
2569     FIXME("(%p, %p, %d): stub\n", image_base, base_name, size);
2570
2571     if (base_name && size)
2572         base_name[0] = '\0';
2573
2574     return 0;
2575 }
2576
2577 /***********************************************************************
2578  *           K32GetDeviceDriverBaseNameW (KERNEL32.@)
2579  */
2580 DWORD WINAPI K32GetDeviceDriverBaseNameW(void *image_base, LPWSTR base_name, DWORD size)
2581 {
2582     FIXME("(%p, %p, %d): stub\n", image_base, base_name, size);
2583
2584     if (base_name && size)
2585         base_name[0] = '\0';
2586
2587     return 0;
2588 }
2589
2590 /***********************************************************************
2591  *           K32GetDeviceDriverFileNameA (KERNEL32.@)
2592  */
2593 DWORD WINAPI K32GetDeviceDriverFileNameA(void *image_base, LPSTR file_name, DWORD size)
2594 {
2595     FIXME("(%p, %p, %d): stub\n", image_base, file_name, size);
2596
2597     if (file_name && size)
2598         file_name[0] = '\0';
2599
2600     return 0;
2601 }
2602
2603 /***********************************************************************
2604  *           K32GetDeviceDriverFileNameW (KERNEL32.@)
2605  */
2606 DWORD WINAPI K32GetDeviceDriverFileNameW(void *image_base, LPWSTR file_name, DWORD size)
2607 {
2608     FIXME("(%p, %p, %d): stub\n", image_base, file_name, size);
2609
2610     if (file_name && size)
2611         file_name[0] = '\0';
2612
2613     return 0;
2614 }