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