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 "wine/winbase16.h"
  44 #include "kernel_private.h"
  45
  46 #include "wine/exception.h"
  47 #include "wine/unicode.h"
  48 #include "wine/debug.h"
  49
  50 WINE_DEFAULT_DEBUG_CHANNEL(file);
  51
  52 HANDLE dos_handles[DOS_TABLE_SIZE];
  53
  54 /* info structure for FindFirstFile handle */
  55 typedef struct
  56 {
  57     DWORD             magic;       /* magic number */
  58     HANDLE            handle;      /* handle to directory */
  59     CRITICAL_SECTION  cs;          /* crit section protecting this structure */
  60     FINDEX_SEARCH_OPS search_op;   /* Flags passed to FindFirst.  */
  61     UNICODE_STRING    mask;        /* file mask */
  62     UNICODE_STRING    path;        /* NT path used to open the directory */
  63     BOOL              is_root;     /* is directory the root of the drive? */
  64     UINT              data_pos;    /* current position in dir data */
  65     UINT              data_len;    /* length of dir data */
  66     BYTE              data[8192];  /* directory data */
  67 } FIND_FIRST_INFO;
  68
  69 #define FIND_FIRST_MAGIC  0xc0ffee11
  70
  71 static BOOL oem_file_apis;
  72
  73 static const WCHAR wildcardsW[] = { '*','?',0 };
  74
  75 /***********************************************************************
  76  *              create_file_OF
  77  *
  78  * Wrapper for CreateFile that takes OF_* mode flags.
  79  */
  80 static HANDLE create_file_OF( LPCSTR path, INT mode )
  81 {
  82     DWORD access, sharing, creation;
  83
  84     if (mode & OF_CREATE)
  85     {
  86         creation = CREATE_ALWAYS;
  87         access = GENERIC_READ | GENERIC_WRITE;
  88     }
  89     else
  90     {
  91         creation = OPEN_EXISTING;
  92         switch(mode & 0x03)
  93         {
  94         case OF_READ:      access = GENERIC_READ; break;
  95         case OF_WRITE:     access = GENERIC_WRITE; break;
  96         case OF_READWRITE: access = GENERIC_READ | GENERIC_WRITE; break;
  97         default:           access = 0; break;
  98         }
  99     }
 100
 101     switch(mode & 0x70)
 102     {
 103     case OF_SHARE_EXCLUSIVE:  sharing = 0; break;
 104     case OF_SHARE_DENY_WRITE: sharing = FILE_SHARE_READ; break;
 105     case OF_SHARE_DENY_READ:  sharing = FILE_SHARE_WRITE; break;
 106     case OF_SHARE_DENY_NONE:
 107     case OF_SHARE_COMPAT:
 108     default:                  sharing = FILE_SHARE_READ | FILE_SHARE_WRITE; break;
 109     }
 110     return CreateFileA( path, access, sharing, NULL, creation, FILE_ATTRIBUTE_NORMAL, 0 );
 111 }
 112
 113
 114 /***********************************************************************
 115  *              check_dir_symlink
 116  *
 117  * Check if a dir symlink should be returned by FindNextFile.
 118  */
 119 static BOOL check_dir_symlink( FIND_FIRST_INFO *info, const FILE_BOTH_DIR_INFORMATION *file_info )
 120 {
 121     UNICODE_STRING str;
 122     ANSI_STRING unix_name;
 123     struct stat st, parent_st;
 124     BOOL ret = TRUE;
 125     DWORD len;
 126
 127     str.MaximumLength = info->path.Length + sizeof(WCHAR) + file_info->FileNameLength;
 128     if (!(str.Buffer = HeapAlloc( GetProcessHeap(), 0, str.MaximumLength ))) return TRUE;
 129     memcpy( str.Buffer, info->path.Buffer, info->path.Length );
 130     len = info->path.Length / sizeof(WCHAR);
 131     if (!len || str.Buffer[len-1] != '\\') str.Buffer[len++] = '\\';
 132     memcpy( str.Buffer + len, file_info->FileName, file_info->FileNameLength );
 133     str.Length = len * sizeof(WCHAR) + file_info->FileNameLength;
 134
 135     unix_name.Buffer = NULL;
 136     if (!wine_nt_to_unix_file_name( &str, &unix_name, OPEN_EXISTING, FALSE ) &&
 137         !stat( unix_name.Buffer, &st ))
 138     {
 139         char *p = unix_name.Buffer + unix_name.Length - 1;
 140
 141         /* skip trailing slashes */
 142         while (p > unix_name.Buffer && *p == '/') p--;
 143
 144         while (ret && p > unix_name.Buffer)
 145         {
 146             while (p > unix_name.Buffer && *p != '/') p--;
 147             while (p > unix_name.Buffer && *p == '/') p--;
 148             p[1] = 0;
 149             if (!stat( unix_name.Buffer, &parent_st ) &&
 150                 parent_st.st_dev == st.st_dev &&
 151                 parent_st.st_ino == st.st_ino)
 152             {
 153                 WARN( "suppressing dir symlink %s pointing to parent %s\n",
 154                       debugstr_wn( str.Buffer, str.Length/sizeof(WCHAR) ),
 155                       debugstr_a( unix_name.Buffer ));
 156                 ret = FALSE;
 157             }
 158         }
 159     }
 160     RtlFreeAnsiString( &unix_name );
 161     RtlFreeUnicodeString( &str );
 162     return ret;
 163 }
 164
 165
 166 /***********************************************************************
 167  *           FILE_SetDosError
 168  *
 169  * Set the DOS error code from errno.
 170  */
 171 void FILE_SetDosError(void)
 172 {
 173     int save_errno = errno; /* errno gets overwritten by printf */
 174
 175     TRACE("errno = %d %s\n", errno, strerror(errno));
 176     switch (save_errno)
 177     {
 178     case EAGAIN:
 179         SetLastError( ERROR_SHARING_VIOLATION );
 180         break;
 181     case EBADF:
 182         SetLastError( ERROR_INVALID_HANDLE );
 183         break;
 184     case ENOSPC:
 185         SetLastError( ERROR_HANDLE_DISK_FULL );
 186         break;
 187     case EACCES:
 188     case EPERM:
 189     case EROFS:
 190         SetLastError( ERROR_ACCESS_DENIED );
 191         break;
 192     case EBUSY:
 193         SetLastError( ERROR_LOCK_VIOLATION );
 194         break;
 195     case ENOENT:
 196         SetLastError( ERROR_FILE_NOT_FOUND );
 197         break;
 198     case EISDIR:
 199         SetLastError( ERROR_CANNOT_MAKE );
 200         break;
 201     case ENFILE:
 202     case EMFILE:
 203         SetLastError( ERROR_TOO_MANY_OPEN_FILES );
 204         break;
 205     case EEXIST:
 206         SetLastError( ERROR_FILE_EXISTS );
 207         break;
 208     case EINVAL:
 209     case ESPIPE:
 210         SetLastError( ERROR_SEEK );
 211         break;
 212     case ENOTEMPTY:
 213         SetLastError( ERROR_DIR_NOT_EMPTY );
 214         break;
 215     case ENOEXEC:
 216         SetLastError( ERROR_BAD_FORMAT );
 217         break;
 218     case ENOTDIR:
 219         SetLastError( ERROR_PATH_NOT_FOUND );
 220         break;
 221     case EXDEV:
 222         SetLastError( ERROR_NOT_SAME_DEVICE );
 223         break;
 224     default:
 225         WARN("unknown file error: %s\n", strerror(save_errno) );
 226         SetLastError( ERROR_GEN_FAILURE );
 227         break;
 228     }
 229     errno = save_errno;
 230 }
 231
 232
 233 /***********************************************************************
 234  *           FILE_name_AtoW
 235  *
 236  * Convert a file name to Unicode, taking into account the OEM/Ansi API mode.
 237  *
 238  * If alloc is FALSE uses the TEB static buffer, so it can only be used when
 239  * there is no possibility for the function to do that twice, taking into
 240  * account any called function.
 241  */
 242 WCHAR *FILE_name_AtoW( LPCSTR name, BOOL alloc )
 243 {
 244     ANSI_STRING str;
 245     UNICODE_STRING strW, *pstrW;
 246     NTSTATUS status;
 247
 248     RtlInitAnsiString( &str, name );
 249     pstrW = alloc ? &strW : &NtCurrentTeb()->StaticUnicodeString;
 250     if (oem_file_apis)
 251         status = RtlOemStringToUnicodeString( pstrW, &str, alloc );
 252     else
 253         status = RtlAnsiStringToUnicodeString( pstrW, &str, alloc );
 254     if (status == STATUS_SUCCESS) return pstrW->Buffer;
 255
 256     if (status == STATUS_BUFFER_OVERFLOW)
 257         SetLastError( ERROR_FILENAME_EXCED_RANGE );
 258     else
 259         SetLastError( RtlNtStatusToDosError(status) );
 260     return NULL;
 261 }
 262
 263
 264 /***********************************************************************
 265  *           FILE_name_WtoA
 266  *
 267  * Convert a file name back to OEM/Ansi. Returns number of bytes copied.
 268  */
 269 DWORD FILE_name_WtoA( LPCWSTR src, INT srclen, LPSTR dest, INT destlen )
 270 {
 271     DWORD ret;
 272
 273     if (srclen < 0) srclen = strlenW( src ) + 1;
 274     if (oem_file_apis)
 275         RtlUnicodeToOemN( dest, destlen, &ret, src, srclen * sizeof(WCHAR) );
 276     else
 277         RtlUnicodeToMultiByteN( dest, destlen, &ret, src, srclen * sizeof(WCHAR) );
 278     return ret;
 279 }
 280
 281
 282 /**************************************************************************
 283  *              SetFileApisToOEM   (KERNEL32.@)
 284  */
 285 VOID WINAPI SetFileApisToOEM(void)
 286 {
 287     oem_file_apis = TRUE;
 288 }
 289
 290
 291 /**************************************************************************
 292  *              SetFileApisToANSI   (KERNEL32.@)
 293  */
 294 VOID WINAPI SetFileApisToANSI(void)
 295 {
 296     oem_file_apis = FALSE;
 297 }
 298
 299
 300 /******************************************************************************
 301  *              AreFileApisANSI   (KERNEL32.@)
 302  *
 303  *  Determines if file functions are using ANSI
 304  *
 305  * RETURNS
 306  *    TRUE:  Set of file functions is using ANSI code page
 307  *    FALSE: Set of file functions is using OEM code page
 308  */
 309 BOOL WINAPI AreFileApisANSI(void)
 310 {
 311     return !oem_file_apis;
 312 }
 313
 314
 315 /**************************************************************************
 316  *                      Operations on file handles                        *
 317  **************************************************************************/
 318
 319 /***********************************************************************
 320  *           FILE_InitProcessDosHandles
 321  *
 322  * Allocates the default DOS handles for a process. Called either by
 323  * Win32HandleToDosFileHandle below or by the DOSVM stuff.
 324  */
 325 static void FILE_InitProcessDosHandles( void )
 326 {
 327     static BOOL init_done /* = FALSE */;
 328     HANDLE cp = GetCurrentProcess();
 329
 330     if (init_done) return;
 331     init_done = TRUE;
 332     DuplicateHandle(cp, GetStdHandle(STD_INPUT_HANDLE), cp, &dos_handles[0],
 333                     0, TRUE, DUPLICATE_SAME_ACCESS);
 334     DuplicateHandle(cp, GetStdHandle(STD_OUTPUT_HANDLE), cp, &dos_handles[1],
 335                     0, TRUE, DUPLICATE_SAME_ACCESS);
 336     DuplicateHandle(cp, GetStdHandle(STD_ERROR_HANDLE), cp, &dos_handles[2],
 337                     0, TRUE, DUPLICATE_SAME_ACCESS);
 338     DuplicateHandle(cp, GetStdHandle(STD_ERROR_HANDLE), cp, &dos_handles[3],
 339                     0, TRUE, DUPLICATE_SAME_ACCESS);
 340     DuplicateHandle(cp, GetStdHandle(STD_ERROR_HANDLE), cp, &dos_handles[4],
 341                     0, TRUE, DUPLICATE_SAME_ACCESS);
 342 }
 343
 344
 345 /******************************************************************
 346  *              FILE_ReadWriteApc (internal)
 347  */
 348 static void WINAPI FILE_ReadWriteApc(void* apc_user, PIO_STATUS_BLOCK io_status, ULONG reserved)
 349 {
 350     LPOVERLAPPED_COMPLETION_ROUTINE  cr = (LPOVERLAPPED_COMPLETION_ROUTINE)apc_user;
 351
 352     cr(RtlNtStatusToDosError(io_status->u.Status), io_status->Information, (LPOVERLAPPED)io_status);
 353 }
 354
 355
 356 /***********************************************************************
 357  *              ReadFileEx                (KERNEL32.@)
 358  */
 359 BOOL WINAPI ReadFileEx(HANDLE hFile, LPVOID buffer, DWORD bytesToRead,
 360                        LPOVERLAPPED overlapped,
 361                        LPOVERLAPPED_COMPLETION_ROUTINE lpCompletionRoutine)
 362 {
 363     LARGE_INTEGER       offset;
 364     NTSTATUS            status;
 365     PIO_STATUS_BLOCK    io_status;
 366
 367     TRACE("(hFile=%p, buffer=%p, bytes=%u, ovl=%p, ovl_fn=%p)\n", hFile, buffer, bytesToRead, overlapped, lpCompletionRoutine);
 368
 369     if (!overlapped)
 370     {
 371         SetLastError(ERROR_INVALID_PARAMETER);
 372         return FALSE;
 373     }
 374
 375     offset.u.LowPart = overlapped->u.s.Offset;
 376     offset.u.HighPart = overlapped->u.s.OffsetHigh;
 377     io_status = (PIO_STATUS_BLOCK)overlapped;
 378     io_status->u.Status = STATUS_PENDING;
 379     io_status->Information = 0;
 380
 381     status = NtReadFile(hFile, NULL, FILE_ReadWriteApc, lpCompletionRoutine,
 382                         io_status, buffer, bytesToRead, &offset, NULL);
 383
 384     if (status)
 385     {
 386         SetLastError( RtlNtStatusToDosError(status) );
 387         return FALSE;
 388     }
 389     return TRUE;
 390 }
 391
 392
 393 /***********************************************************************
 394  *              ReadFileScatter                (KERNEL32.@)
 395  */
 396 BOOL WINAPI ReadFileScatter( HANDLE file, FILE_SEGMENT_ELEMENT *segments, DWORD count,
 397                              LPDWORD reserved, LPOVERLAPPED overlapped )
 398 {
 399     PIO_STATUS_BLOCK io_status;
 400     LARGE_INTEGER offset;
 401     NTSTATUS status;
 402
 403     TRACE( "(%p %p %u %p)\n", file, segments, count, overlapped );
 404
 405     offset.u.LowPart = overlapped->u.s.Offset;
 406     offset.u.HighPart = overlapped->u.s.OffsetHigh;
 407     io_status = (PIO_STATUS_BLOCK)overlapped;
 408     io_status->u.Status = STATUS_PENDING;
 409     io_status->Information = 0;
 410
 411     status = NtReadFileScatter( file, NULL, NULL, NULL, io_status, segments, count, &offset, NULL );
 412     if (status) SetLastError( RtlNtStatusToDosError(status) );
 413     return !status;
 414 }
 415
 416
 417 /***********************************************************************
 418  *              ReadFile                (KERNEL32.@)
 419  */
 420 BOOL WINAPI ReadFile( HANDLE hFile, LPVOID buffer, DWORD bytesToRead,
 421                       LPDWORD bytesRead, LPOVERLAPPED overlapped )
 422 {
 423     LARGE_INTEGER       offset;
 424     PLARGE_INTEGER      poffset = NULL;
 425     IO_STATUS_BLOCK     iosb;
 426     PIO_STATUS_BLOCK    io_status = &iosb;
 427     HANDLE              hEvent = 0;
 428     NTSTATUS            status;
 429     LPVOID              cvalue = NULL;
 430
 431     TRACE("%p %p %d %p %p\n", hFile, buffer, bytesToRead,
 432           bytesRead, overlapped );
 433
 434     if (bytesRead) *bytesRead = 0;  /* Do this before anything else */
 435     if (!bytesToRead) return TRUE;
 436
 437     if (is_console_handle(hFile))
 438         return ReadConsoleA(hFile, buffer, bytesToRead, bytesRead, NULL);
 439
 440     if (overlapped != NULL)
 441     {
 442         offset.u.LowPart = overlapped->u.s.Offset;
 443         offset.u.HighPart = overlapped->u.s.OffsetHigh;
 444         poffset = &offset;
 445         hEvent = overlapped->hEvent;
 446         io_status = (PIO_STATUS_BLOCK)overlapped;
 447         if (((ULONG_PTR)hEvent & 1) == 0) cvalue = overlapped;
 448     }
 449     io_status->u.Status = STATUS_PENDING;
 450     io_status->Information = 0;
 451
 452     status = NtReadFile(hFile, hEvent, NULL, cvalue, io_status, buffer, bytesToRead, poffset, NULL);
 453
 454     if (status == STATUS_PENDING && !overlapped)
 455     {
 456         WaitForSingleObject( hFile, INFINITE );
 457         status = io_status->u.Status;
 458     }
 459
 460     if (status != STATUS_PENDING && bytesRead)
 461         *bytesRead = io_status->Information;
 462
 463     if (status && status != STATUS_END_OF_FILE && status != STATUS_TIMEOUT)
 464     {
 465         SetLastError( RtlNtStatusToDosError(status) );
 466         return FALSE;
 467     }
 468     return TRUE;
 469 }
 470
 471
 472 /***********************************************************************
 473  *              WriteFileEx                (KERNEL32.@)
 474  */
 475 BOOL WINAPI WriteFileEx(HANDLE hFile, LPCVOID buffer, DWORD bytesToWrite,
 476                         LPOVERLAPPED overlapped,
 477                         LPOVERLAPPED_COMPLETION_ROUTINE lpCompletionRoutine)
 478 {
 479     LARGE_INTEGER       offset;
 480     NTSTATUS            status;
 481     PIO_STATUS_BLOCK    io_status;
 482
 483     TRACE("%p %p %d %p %p\n", hFile, buffer, bytesToWrite, overlapped, lpCompletionRoutine);
 484
 485     if (overlapped == NULL)
 486     {
 487         SetLastError(ERROR_INVALID_PARAMETER);
 488         return FALSE;
 489     }
 490     offset.u.LowPart = overlapped->u.s.Offset;
 491     offset.u.HighPart = overlapped->u.s.OffsetHigh;
 492
 493     io_status = (PIO_STATUS_BLOCK)overlapped;
 494     io_status->u.Status = STATUS_PENDING;
 495     io_status->Information = 0;
 496
 497     status = NtWriteFile(hFile, NULL, FILE_ReadWriteApc, lpCompletionRoutine,
 498                          io_status, buffer, bytesToWrite, &offset, NULL);
 499
 500     if (status) SetLastError( RtlNtStatusToDosError(status) );
 501     return !status;
 502 }
 503
 504
 505 /***********************************************************************
 506  *              WriteFileGather                (KERNEL32.@)
 507  */
 508 BOOL WINAPI WriteFileGather( HANDLE file, FILE_SEGMENT_ELEMENT *segments, DWORD count,
 509                              LPDWORD reserved, LPOVERLAPPED overlapped )
 510 {
 511     PIO_STATUS_BLOCK io_status;
 512     LARGE_INTEGER offset;
 513     NTSTATUS status;
 514
 515     TRACE( "%p %p %u %p\n", file, segments, count, overlapped );
 516
 517     offset.u.LowPart = overlapped->u.s.Offset;
 518     offset.u.HighPart = overlapped->u.s.OffsetHigh;
 519     io_status = (PIO_STATUS_BLOCK)overlapped;
 520     io_status->u.Status = STATUS_PENDING;
 521     io_status->Information = 0;
 522
 523     status = NtWriteFileGather( file, NULL, NULL, NULL, io_status, segments, count, &offset, NULL );
 524     if (status) SetLastError( RtlNtStatusToDosError(status) );
 525     return !status;
 526 }
 527
 528
 529 /***********************************************************************
 530  *             WriteFile               (KERNEL32.@)
 531  */
 532 BOOL WINAPI WriteFile( HANDLE hFile, LPCVOID buffer, DWORD bytesToWrite,
 533                        LPDWORD bytesWritten, LPOVERLAPPED overlapped )
 534 {
 535     HANDLE hEvent = NULL;
 536     LARGE_INTEGER offset;
 537     PLARGE_INTEGER poffset = NULL;
 538     NTSTATUS status;
 539     IO_STATUS_BLOCK iosb;
 540     PIO_STATUS_BLOCK piosb = &iosb;
 541     LPVOID cvalue = NULL;
 542
 543     TRACE("%p %p %d %p %p\n", hFile, buffer, bytesToWrite, bytesWritten, overlapped );
 544
 545     if (is_console_handle(hFile))
 546         return WriteConsoleA(hFile, buffer, bytesToWrite, bytesWritten, NULL);
 547
 548     if (overlapped)
 549     {
 550         offset.u.LowPart = overlapped->u.s.Offset;
 551         offset.u.HighPart = overlapped->u.s.OffsetHigh;
 552         poffset = &offset;
 553         hEvent = overlapped->hEvent;
 554         piosb = (PIO_STATUS_BLOCK)overlapped;
 555         if (((ULONG_PTR)hEvent & 1) == 0) cvalue = overlapped;
 556     }
 557     piosb->u.Status = STATUS_PENDING;
 558     piosb->Information = 0;
 559
 560     status = NtWriteFile(hFile, hEvent, NULL, cvalue, piosb,
 561                          buffer, bytesToWrite, poffset, NULL);
 562
 563     if (status == STATUS_PENDING && !overlapped)
 564     {
 565         WaitForSingleObject( hFile, INFINITE );
 566         status = piosb->u.Status;
 567     }
 568
 569     if (status != STATUS_PENDING && bytesWritten)
 570         *bytesWritten = piosb->Information;
 571
 572     if (status && status != STATUS_TIMEOUT)
 573     {
 574         SetLastError( RtlNtStatusToDosError(status) );
 575         return FALSE;
 576     }
 577     return TRUE;
 578 }
 579
 580
 581 /***********************************************************************
 582  *              GetOverlappedResult     (KERNEL32.@)
 583  *
 584  * Check the result of an Asynchronous data transfer from a file.
 585  *
 586  * Parameters
 587  *   HANDLE hFile                 [in] handle of file to check on
 588  *   LPOVERLAPPED lpOverlapped    [in/out] pointer to overlapped
 589  *   LPDWORD lpTransferred        [in/out] number of bytes transferred
 590  *   BOOL bWait                   [in] wait for the transfer to complete ?
 591  *
 592  * RETURNS
 593  *   TRUE on success
 594  *   FALSE on failure
 595  *
 596  *  If successful (and relevant) lpTransferred will hold the number of
 597  *   bytes transferred during the async operation.
 598  */
 599 BOOL WINAPI GetOverlappedResult(HANDLE hFile, LPOVERLAPPED lpOverlapped,
 600                                 LPDWORD lpTransferred, BOOL bWait)
 601 {
 602     NTSTATUS status;
 603
 604     TRACE( "(%p %p %p %x)\n", hFile, lpOverlapped, lpTransferred, bWait );
 605
 606     if ( lpOverlapped == NULL )
 607     {
 608         ERR("lpOverlapped was null\n");
 609         return FALSE;
 610     }
 611
 612     status = lpOverlapped->Internal;
 613     if (status == STATUS_PENDING)
 614     {
 615         if (!bWait)
 616         {
 617             SetLastError( ERROR_IO_INCOMPLETE );
 618             return FALSE;
 619         }
 620
 621         if (WaitForSingleObject( lpOverlapped->hEvent ? lpOverlapped->hEvent : hFile,
 622                                  INFINITE ) == WAIT_FAILED)
 623             return FALSE;
 624         status = lpOverlapped->Internal;
 625     }
 626
 627     if (lpTransferred) *lpTransferred = lpOverlapped->InternalHigh;
 628
 629     if (status) SetLastError( RtlNtStatusToDosError(status) );
 630     return !status;
 631 }
 632
 633 /***********************************************************************
 634  *             CancelIo                   (KERNEL32.@)
 635  *
 636  * Cancels pending I/O operations initiated by the current thread on a file.
 637  *
 638  * PARAMS
 639  *  handle [I] File handle.
 640  *
 641  * RETURNS
 642  *  Success: TRUE.
 643  *  Failure: FALSE, check GetLastError().
 644  */
 645 BOOL WINAPI CancelIo(HANDLE handle)
 646 {
 647     IO_STATUS_BLOCK    io_status;
 648
 649     NtCancelIoFile(handle, &io_status);
 650     if (io_status.u.Status)
 651     {
 652         SetLastError( RtlNtStatusToDosError( io_status.u.Status ) );
 653         return FALSE;
 654     }
 655     return TRUE;
 656 }
 657
 658 /***********************************************************************
 659  *           _hread   (KERNEL32.@)
 660  */
 661 LONG WINAPI _hread( HFILE hFile, LPVOID buffer, LONG count)
 662 {
 663     return _lread( hFile, buffer, count );
 664 }
 665
 666
 667 /***********************************************************************
 668  *           _hwrite   (KERNEL32.@)
 669  *
 670  *      experimentation yields that _lwrite:
 671  *              o truncates the file at the current position with
 672  *                a 0 len write
 673  *              o returns 0 on a 0 length write
 674  *              o works with console handles
 675  *
 676  */
 677 LONG WINAPI _hwrite( HFILE handle, LPCSTR buffer, LONG count )
 678 {
 679     DWORD result;
 680
 681     TRACE("%d %p %d\n", handle, buffer, count );
 682
 683     if (!count)
 684     {
 685         /* Expand or truncate at current position */
 686         if (!SetEndOfFile( LongToHandle(handle) )) return HFILE_ERROR;
 687         return 0;
 688     }
 689     if (!WriteFile( LongToHandle(handle), buffer, count, &result, NULL ))
 690         return HFILE_ERROR;
 691     return result;
 692 }
 693
 694
 695 /***********************************************************************
 696  *           _lclose   (KERNEL32.@)
 697  */
 698 HFILE WINAPI _lclose( HFILE hFile )
 699 {
 700     TRACE("handle %d\n", hFile );
 701     return CloseHandle( LongToHandle(hFile) ) ? 0 : HFILE_ERROR;
 702 }
 703
 704
 705 /***********************************************************************
 706  *           _lcreat   (KERNEL32.@)
 707  */
 708 HFILE WINAPI _lcreat( LPCSTR path, INT attr )
 709 {
 710     HANDLE hfile;
 711
 712     /* Mask off all flags not explicitly allowed by the doc */
 713     attr &= FILE_ATTRIBUTE_READONLY | FILE_ATTRIBUTE_HIDDEN | FILE_ATTRIBUTE_SYSTEM;
 714     TRACE("%s %02x\n", path, attr );
 715     hfile = CreateFileA( path, GENERIC_READ | GENERIC_WRITE,
 716                                FILE_SHARE_READ | FILE_SHARE_WRITE, NULL,
 717                                CREATE_ALWAYS, attr, 0 );
 718     return HandleToLong(hfile);
 719 }
 720
 721
 722 /***********************************************************************
 723  *           _lopen   (KERNEL32.@)
 724  */
 725 HFILE WINAPI _lopen( LPCSTR path, INT mode )
 726 {
 727     HANDLE hfile;
 728
 729     TRACE("(%s,%04x)\n", debugstr_a(path), mode );
 730     hfile = create_file_OF( path, mode & ~OF_CREATE );
 731     return HandleToLong(hfile);
 732 }
 733
 734 /***********************************************************************
 735  *           _lread   (KERNEL32.@)
 736  */
 737 UINT WINAPI _lread( HFILE handle, LPVOID buffer, UINT count )
 738 {
 739     DWORD result;
 740     if (!ReadFile( LongToHandle(handle), buffer, count, &result, NULL ))
 741         return HFILE_ERROR;
 742     return result;
 743 }
 744
 745
 746 /***********************************************************************
 747  *           _llseek   (KERNEL32.@)
 748  */
 749 LONG WINAPI _llseek( HFILE hFile, LONG lOffset, INT nOrigin )
 750 {
 751     return SetFilePointer( LongToHandle(hFile), lOffset, NULL, nOrigin );
 752 }
 753
 754
 755 /***********************************************************************
 756  *           _lwrite   (KERNEL32.@)
 757  */
 758 UINT WINAPI _lwrite( HFILE hFile, LPCSTR buffer, UINT count )
 759 {
 760     return (UINT)_hwrite( hFile, buffer, (LONG)count );
 761 }
 762
 763
 764 /***********************************************************************
 765  *           FlushFileBuffers   (KERNEL32.@)
 766  */
 767 BOOL WINAPI FlushFileBuffers( HANDLE hFile )
 768 {
 769     NTSTATUS            nts;
 770     IO_STATUS_BLOCK     ioblk;
 771
 772     if (is_console_handle( hFile ))
 773     {
 774         /* this will fail (as expected) for an output handle */
 775         return FlushConsoleInputBuffer( hFile );
 776     }
 777     nts = NtFlushBuffersFile( hFile, &ioblk );
 778     if (nts != STATUS_SUCCESS)
 779     {
 780         SetLastError( RtlNtStatusToDosError( nts ) );
 781         return FALSE;
 782     }
 783
 784     return TRUE;
 785 }
 786
 787
 788 /***********************************************************************
 789  *           GetFileType   (KERNEL32.@)
 790  */
 791 DWORD WINAPI GetFileType( HANDLE hFile )
 792 {
 793     FILE_FS_DEVICE_INFORMATION info;
 794     IO_STATUS_BLOCK io;
 795     NTSTATUS status;
 796
 797     if (is_console_handle( hFile )) return FILE_TYPE_CHAR;
 798
 799     status = NtQueryVolumeInformationFile( hFile, &io, &info, sizeof(info), FileFsDeviceInformation );
 800     if (status != STATUS_SUCCESS)
 801     {
 802         SetLastError( RtlNtStatusToDosError(status) );
 803         return FILE_TYPE_UNKNOWN;
 804     }
 805
 806     switch(info.DeviceType)
 807     {
 808     case FILE_DEVICE_NULL:
 809     case FILE_DEVICE_SERIAL_PORT:
 810     case FILE_DEVICE_PARALLEL_PORT:
 811     case FILE_DEVICE_TAPE:
 812     case FILE_DEVICE_UNKNOWN:
 813         return FILE_TYPE_CHAR;
 814     case FILE_DEVICE_NAMED_PIPE:
 815         return FILE_TYPE_PIPE;
 816     default:
 817         return FILE_TYPE_DISK;
 818     }
 819 }
 820
 821
 822 /***********************************************************************
 823  *             GetFileInformationByHandle   (KERNEL32.@)
 824  */
 825 BOOL WINAPI GetFileInformationByHandle( HANDLE hFile, BY_HANDLE_FILE_INFORMATION *info )
 826 {
 827     FILE_ALL_INFORMATION all_info;
 828     IO_STATUS_BLOCK io;
 829     NTSTATUS status;
 830
 831     status = NtQueryInformationFile( hFile, &io, &all_info, sizeof(all_info), FileAllInformation );
 832     if (status == STATUS_SUCCESS)
 833     {
 834         info->dwFileAttributes                = all_info.BasicInformation.FileAttributes;
 835         info->ftCreationTime.dwHighDateTime   = all_info.BasicInformation.CreationTime.u.HighPart;
 836         info->ftCreationTime.dwLowDateTime    = all_info.BasicInformation.CreationTime.u.LowPart;
 837         info->ftLastAccessTime.dwHighDateTime = all_info.BasicInformation.LastAccessTime.u.HighPart;
 838         info->ftLastAccessTime.dwLowDateTime  = all_info.BasicInformation.LastAccessTime.u.LowPart;
 839         info->ftLastWriteTime.dwHighDateTime  = all_info.BasicInformation.LastWriteTime.u.HighPart;
 840         info->ftLastWriteTime.dwLowDateTime   = all_info.BasicInformation.LastWriteTime.u.LowPart;
 841         info->dwVolumeSerialNumber            = 0;  /* FIXME */
 842         info->nFileSizeHigh                   = all_info.StandardInformation.EndOfFile.u.HighPart;
 843         info->nFileSizeLow                    = all_info.StandardInformation.EndOfFile.u.LowPart;
 844         info->nNumberOfLinks                  = all_info.StandardInformation.NumberOfLinks;
 845         info->nFileIndexHigh                  = all_info.InternalInformation.IndexNumber.u.HighPart;
 846         info->nFileIndexLow                   = all_info.InternalInformation.IndexNumber.u.LowPart;
 847         return TRUE;
 848     }
 849     SetLastError( RtlNtStatusToDosError(status) );
 850     return FALSE;
 851 }
 852
 853
 854 /***********************************************************************
 855  *           GetFileSize   (KERNEL32.@)
 856  *
 857  * Retrieve the size of a file.
 858  *
 859  * PARAMS
 860  *  hFile        [I] File to retrieve size of.
 861  *  filesizehigh [O] On return, the high bits of the file size.
 862  *
 863  * RETURNS
 864  *  Success: The low bits of the file size.
 865  *  Failure: INVALID_FILE_SIZE. As this is could also be a success value,
 866  *           check GetLastError() for values other than ERROR_SUCCESS.
 867  */
 868 DWORD WINAPI GetFileSize( HANDLE hFile, LPDWORD filesizehigh )
 869 {
 870     LARGE_INTEGER size;
 871     if (!GetFileSizeEx( hFile, &size )) return INVALID_FILE_SIZE;
 872     if (filesizehigh) *filesizehigh = size.u.HighPart;
 873     if (size.u.LowPart == INVALID_FILE_SIZE) SetLastError(0);
 874     return size.u.LowPart;
 875 }
 876
 877
 878 /***********************************************************************
 879  *           GetFileSizeEx   (KERNEL32.@)
 880  *
 881  * Retrieve the size of a file.
 882  *
 883  * PARAMS
 884  *  hFile        [I] File to retrieve size of.
 885  *  lpFileSIze   [O] On return, the size of the file.
 886  *
 887  * RETURNS
 888  *  Success: TRUE.
 889  *  Failure: FALSE, check GetLastError().
 890  */
 891 BOOL WINAPI GetFileSizeEx( HANDLE hFile, PLARGE_INTEGER lpFileSize )
 892 {
 893     FILE_STANDARD_INFORMATION info;
 894     IO_STATUS_BLOCK io;
 895     NTSTATUS status;
 896
 897     status = NtQueryInformationFile( hFile, &io, &info, sizeof(info), FileStandardInformation );
 898     if (status == STATUS_SUCCESS)
 899     {
 900         *lpFileSize = info.EndOfFile;
 901         return TRUE;
 902     }
 903     SetLastError( RtlNtStatusToDosError(status) );
 904     return FALSE;
 905 }
 906
 907
 908 /**************************************************************************
 909  *           SetEndOfFile   (KERNEL32.@)
 910  *
 911  * Sets the current position as the end of the file.
 912  *
 913  * PARAMS
 914  *  hFile [I] File handle.
 915  *
 916  * RETURNS
 917  *  Success: TRUE.
 918  *  Failure: FALSE, check GetLastError().
 919  */
 920 BOOL WINAPI SetEndOfFile( HANDLE hFile )
 921 {
 922     FILE_POSITION_INFORMATION pos;
 923     FILE_END_OF_FILE_INFORMATION eof;
 924     IO_STATUS_BLOCK io;
 925     NTSTATUS status;
 926
 927     status = NtQueryInformationFile( hFile, &io, &pos, sizeof(pos), FilePositionInformation );
 928     if (status == STATUS_SUCCESS)
 929     {
 930         eof.EndOfFile = pos.CurrentByteOffset;
 931         status = NtSetInformationFile( hFile, &io, &eof, sizeof(eof), FileEndOfFileInformation );
 932     }
 933     if (status == STATUS_SUCCESS) return TRUE;
 934     SetLastError( RtlNtStatusToDosError(status) );
 935     return FALSE;
 936 }
 937
 938
 939 /***********************************************************************
 940  *           SetFilePointer   (KERNEL32.@)
 941  */
 942 DWORD WINAPI SetFilePointer( HANDLE hFile, LONG distance, LONG *highword, DWORD method )
 943 {
 944     LARGE_INTEGER dist, newpos;
 945
 946     if (highword)
 947     {
 948         dist.u.LowPart  = distance;
 949         dist.u.HighPart = *highword;
 950     }
 951     else dist.QuadPart = distance;
 952
 953     if (!SetFilePointerEx( hFile, dist, &newpos, method )) return INVALID_SET_FILE_POINTER;
 954
 955     if (highword) *highword = newpos.u.HighPart;
 956     if (newpos.u.LowPart == INVALID_SET_FILE_POINTER) SetLastError( 0 );
 957     return newpos.u.LowPart;
 958 }
 959
 960
 961 /***********************************************************************
 962  *           SetFilePointerEx   (KERNEL32.@)
 963  */
 964 BOOL WINAPI SetFilePointerEx( HANDLE hFile, LARGE_INTEGER distance,
 965                               LARGE_INTEGER *newpos, DWORD method )
 966 {
 967     LONGLONG pos;
 968     IO_STATUS_BLOCK io;
 969     FILE_POSITION_INFORMATION info;
 970
 971     switch(method)
 972     {
 973     case FILE_BEGIN:
 974         pos = distance.QuadPart;
 975         break;
 976     case FILE_CURRENT:
 977         if (NtQueryInformationFile( hFile, &io, &info, sizeof(info), FilePositionInformation ))
 978             goto error;
 979         pos = info.CurrentByteOffset.QuadPart + distance.QuadPart;
 980         break;
 981     case FILE_END:
 982         {
 983             FILE_END_OF_FILE_INFORMATION eof;
 984             if (NtQueryInformationFile( hFile, &io, &eof, sizeof(eof), FileEndOfFileInformation ))
 985                 goto error;
 986             pos = eof.EndOfFile.QuadPart + distance.QuadPart;
 987         }
 988         break;
 989     default:
 990         SetLastError( ERROR_INVALID_PARAMETER );
 991         return FALSE;
 992     }
 993
 994     if (pos < 0)
 995     {
 996         SetLastError( ERROR_NEGATIVE_SEEK );
 997         return FALSE;
 998     }
 999
1000     info.CurrentByteOffset.QuadPart = pos;
1001     if (NtSetInformationFile( hFile, &io, &info, sizeof(info), FilePositionInformation ))
1002         goto error;
1003     if (newpos) newpos->QuadPart = pos;
1004     return TRUE;
1005
1006 error:
1007     SetLastError( RtlNtStatusToDosError(io.u.Status) );
1008     return FALSE;
1009 }
1010
1011 /***********************************************************************
1012  *           GetFileTime   (KERNEL32.@)
1013  */
1014 BOOL WINAPI GetFileTime( HANDLE hFile, FILETIME *lpCreationTime,
1015                          FILETIME *lpLastAccessTime, FILETIME *lpLastWriteTime )
1016 {
1017     FILE_BASIC_INFORMATION info;
1018     IO_STATUS_BLOCK io;
1019     NTSTATUS status;
1020
1021     status = NtQueryInformationFile( hFile, &io, &info, sizeof(info), FileBasicInformation );
1022     if (status == STATUS_SUCCESS)
1023     {
1024         if (lpCreationTime)
1025         {
1026             lpCreationTime->dwHighDateTime = info.CreationTime.u.HighPart;
1027             lpCreationTime->dwLowDateTime  = info.CreationTime.u.LowPart;
1028         }
1029         if (lpLastAccessTime)
1030         {
1031             lpLastAccessTime->dwHighDateTime = info.LastAccessTime.u.HighPart;
1032             lpLastAccessTime->dwLowDateTime  = info.LastAccessTime.u.LowPart;
1033         }
1034         if (lpLastWriteTime)
1035         {
1036             lpLastWriteTime->dwHighDateTime = info.LastWriteTime.u.HighPart;
1037             lpLastWriteTime->dwLowDateTime  = info.LastWriteTime.u.LowPart;
1038         }
1039         return TRUE;
1040     }
1041     SetLastError( RtlNtStatusToDosError(status) );
1042     return FALSE;
1043 }
1044
1045
1046 /***********************************************************************
1047  *              SetFileTime   (KERNEL32.@)
1048  */
1049 BOOL WINAPI SetFileTime( HANDLE hFile, const FILETIME *ctime,
1050                          const FILETIME *atime, const FILETIME *mtime )
1051 {
1052     FILE_BASIC_INFORMATION info;
1053     IO_STATUS_BLOCK io;
1054     NTSTATUS status;
1055
1056     memset( &info, 0, sizeof(info) );
1057     if (ctime)
1058     {
1059         info.CreationTime.u.HighPart = ctime->dwHighDateTime;
1060         info.CreationTime.u.LowPart  = ctime->dwLowDateTime;
1061     }
1062     if (atime)
1063     {
1064         info.LastAccessTime.u.HighPart = atime->dwHighDateTime;
1065         info.LastAccessTime.u.LowPart  = atime->dwLowDateTime;
1066     }
1067     if (mtime)
1068     {
1069         info.LastWriteTime.u.HighPart = mtime->dwHighDateTime;
1070         info.LastWriteTime.u.LowPart  = mtime->dwLowDateTime;
1071     }
1072
1073     status = NtSetInformationFile( hFile, &io, &info, sizeof(info), FileBasicInformation );
1074     if (status == STATUS_SUCCESS) return TRUE;
1075     SetLastError( RtlNtStatusToDosError(status) );
1076     return FALSE;
1077 }
1078
1079
1080 /**************************************************************************
1081  *           LockFile   (KERNEL32.@)
1082  */
1083 BOOL WINAPI LockFile( HANDLE hFile, DWORD offset_low, DWORD offset_high,
1084                       DWORD count_low, DWORD count_high )
1085 {
1086     NTSTATUS            status;
1087     LARGE_INTEGER       count, offset;
1088
1089     TRACE( "%p %x%08x %x%08x\n",
1090            hFile, offset_high, offset_low, count_high, count_low );
1091
1092     count.u.LowPart = count_low;
1093     count.u.HighPart = count_high;
1094     offset.u.LowPart = offset_low;
1095     offset.u.HighPart = offset_high;
1096
1097     status = NtLockFile( hFile, 0, NULL, NULL,
1098                          NULL, &offset, &count, NULL, TRUE, TRUE );
1099
1100     if (status != STATUS_SUCCESS) SetLastError( RtlNtStatusToDosError(status) );
1101     return !status;
1102 }
1103
1104
1105 /**************************************************************************
1106  * LockFileEx [KERNEL32.@]
1107  *
1108  * Locks a byte range within an open file for shared or exclusive access.
1109  *
1110  * RETURNS
1111  *   success: TRUE
1112  *   failure: FALSE
1113  *
1114  * NOTES
1115  * Per Microsoft docs, the third parameter (reserved) must be set to 0.
1116  */
1117 BOOL WINAPI LockFileEx( HANDLE hFile, DWORD flags, DWORD reserved,
1118                         DWORD count_low, DWORD count_high, LPOVERLAPPED overlapped )
1119 {
1120     NTSTATUS status;
1121     LARGE_INTEGER count, offset;
1122     LPVOID   cvalue = NULL;
1123
1124     if (reserved)
1125     {
1126         SetLastError( ERROR_INVALID_PARAMETER );
1127         return FALSE;
1128     }
1129
1130     TRACE( "%p %x%08x %x%08x flags %x\n",
1131            hFile, overlapped->u.s.OffsetHigh, overlapped->u.s.Offset,
1132            count_high, count_low, flags );
1133
1134     count.u.LowPart = count_low;
1135     count.u.HighPart = count_high;
1136     offset.u.LowPart = overlapped->u.s.Offset;
1137     offset.u.HighPart = overlapped->u.s.OffsetHigh;
1138
1139     if (((ULONG_PTR)overlapped->hEvent & 1) == 0) cvalue = overlapped;
1140
1141     status = NtLockFile( hFile, overlapped->hEvent, NULL, cvalue,
1142                          NULL, &offset, &count, NULL,
1143                          flags & LOCKFILE_FAIL_IMMEDIATELY,
1144                          flags & LOCKFILE_EXCLUSIVE_LOCK );
1145
1146     if (status) SetLastError( RtlNtStatusToDosError(status) );
1147     return !status;
1148 }
1149
1150
1151 /**************************************************************************
1152  *           UnlockFile   (KERNEL32.@)
1153  */
1154 BOOL WINAPI UnlockFile( HANDLE hFile, DWORD offset_low, DWORD offset_high,
1155                         DWORD count_low, DWORD count_high )
1156 {
1157     NTSTATUS    status;
1158     LARGE_INTEGER count, offset;
1159
1160     count.u.LowPart = count_low;
1161     count.u.HighPart = count_high;
1162     offset.u.LowPart = offset_low;
1163     offset.u.HighPart = offset_high;
1164
1165     status = NtUnlockFile( hFile, NULL, &offset, &count, NULL);
1166     if (status) SetLastError( RtlNtStatusToDosError(status) );
1167     return !status;
1168 }
1169
1170
1171 /**************************************************************************
1172  *           UnlockFileEx   (KERNEL32.@)
1173  */
1174 BOOL WINAPI UnlockFileEx( HANDLE hFile, DWORD reserved, DWORD count_low, DWORD count_high,
1175                           LPOVERLAPPED overlapped )
1176 {
1177     if (reserved)
1178     {
1179         SetLastError( ERROR_INVALID_PARAMETER );
1180         return FALSE;
1181     }
1182     if (overlapped->hEvent) FIXME("Unimplemented overlapped operation\n");
1183
1184     return UnlockFile( hFile, overlapped->u.s.Offset, overlapped->u.s.OffsetHigh, count_low, count_high );
1185 }
1186
1187
1188 /***********************************************************************
1189  *           Win32HandleToDosFileHandle   (KERNEL32.21)
1190  *
1191  * Allocate a DOS handle for a Win32 handle. The Win32 handle is no
1192  * longer valid after this function (even on failure).
1193  *
1194  * Note: this is not exactly right, since on Win95 the Win32 handles
1195  *       are on top of DOS handles and we do it the other way
1196  *       around. Should be good enough though.
1197  */
1198 HFILE WINAPI Win32HandleToDosFileHandle( HANDLE handle )
1199 {
1200     int i;
1201
1202     if (!handle || (handle == INVALID_HANDLE_VALUE))
1203         return HFILE_ERROR;
1204
1205     FILE_InitProcessDosHandles();
1206     for (i = 0; i < DOS_TABLE_SIZE; i++)
1207         if (!dos_handles[i])
1208         {
1209             dos_handles[i] = handle;
1210             TRACE("Got %d for h32 %p\n", i, handle );
1211             return (HFILE)i;
1212         }
1213     CloseHandle( handle );
1214     SetLastError( ERROR_TOO_MANY_OPEN_FILES );
1215     return HFILE_ERROR;
1216 }
1217
1218
1219 /***********************************************************************
1220  *           DosFileHandleToWin32Handle   (KERNEL32.20)
1221  *
1222  * Return the Win32 handle for a DOS handle.
1223  *
1224  * Note: this is not exactly right, since on Win95 the Win32 handles
1225  *       are on top of DOS handles and we do it the other way
1226  *       around. Should be good enough though.
1227  */
1228 HANDLE WINAPI DosFileHandleToWin32Handle( HFILE handle )
1229 {
1230     HFILE16 hfile = (HFILE16)handle;
1231     if (hfile < 5) FILE_InitProcessDosHandles();
1232     if ((hfile >= DOS_TABLE_SIZE) || !dos_handles[hfile])
1233     {
1234         SetLastError( ERROR_INVALID_HANDLE );
1235         return INVALID_HANDLE_VALUE;
1236     }
1237     return dos_handles[hfile];
1238 }
1239
1240
1241 /*************************************************************************
1242  *           SetHandleCount   (KERNEL32.@)
1243  */
1244 UINT WINAPI SetHandleCount( UINT count )
1245 {
1246     return min( 256, count );
1247 }
1248
1249
1250 /***********************************************************************
1251  *           DisposeLZ32Handle   (KERNEL32.22)
1252  *
1253  * Note: this is not entirely correct, we should only close the
1254  *       32-bit handle and not the 16-bit one, but we cannot do
1255  *       this because of the way our DOS handles are implemented.
1256  *       It shouldn't break anything though.
1257  */
1258 void WINAPI DisposeLZ32Handle( HANDLE handle )
1259 {
1260     int i;
1261
1262     if (!handle || (handle == INVALID_HANDLE_VALUE)) return;
1263
1264     for (i = 5; i < DOS_TABLE_SIZE; i++)
1265         if (dos_handles[i] == handle)
1266         {
1267             dos_handles[i] = 0;
1268             CloseHandle( handle );
1269             break;
1270         }
1271 }
1272
1273 /**************************************************************************
1274  *                      Operations on file names                          *
1275  **************************************************************************/
1276
1277
1278 /*************************************************************************
1279  * CreateFileW [KERNEL32.@]  Creates or opens a file or other object
1280  *
1281  * Creates or opens an object, and returns a handle that can be used to
1282  * access that object.
1283  *
1284  * PARAMS
1285  *
1286  * filename     [in] pointer to filename to be accessed
1287  * access       [in] access mode requested
1288  * sharing      [in] share mode
1289  * sa           [in] pointer to security attributes
1290  * creation     [in] how to create the file
1291  * attributes   [in] attributes for newly created file
1292  * template     [in] handle to file with extended attributes to copy
1293  *
1294  * RETURNS
1295  *   Success: Open handle to specified file
1296  *   Failure: INVALID_HANDLE_VALUE
1297  */
1298 HANDLE WINAPI CreateFileW( LPCWSTR filename, DWORD access, DWORD sharing,
1299                               LPSECURITY_ATTRIBUTES sa, DWORD creation,
1300                               DWORD attributes, HANDLE template )
1301 {
1302     NTSTATUS status;
1303     UINT options;
1304     OBJECT_ATTRIBUTES attr;
1305     UNICODE_STRING nameW;
1306     IO_STATUS_BLOCK io;
1307     HANDLE ret;
1308     DWORD dosdev;
1309     const WCHAR *vxd_name = NULL;
1310     static const WCHAR bkslashes_with_dotW[] = {'\\','\\','.','\\',0};
1311     static const WCHAR coninW[] = {'C','O','N','I','N','$',0};
1312     static const WCHAR conoutW[] = {'C','O','N','O','U','T','$',0};
1313     SECURITY_QUALITY_OF_SERVICE qos;
1314
1315     static const UINT nt_disposition[5] =
1316     {
1317         FILE_CREATE,        /* CREATE_NEW */
1318         FILE_OVERWRITE_IF,  /* CREATE_ALWAYS */
1319         FILE_OPEN,          /* OPEN_EXISTING */
1320         FILE_OPEN_IF,       /* OPEN_ALWAYS */
1321         FILE_OVERWRITE      /* TRUNCATE_EXISTING */
1322     };
1323
1324
1325     /* sanity checks */
1326
1327     if (!filename || !filename[0])
1328     {
1329         SetLastError( ERROR_PATH_NOT_FOUND );
1330         return INVALID_HANDLE_VALUE;
1331     }
1332
1333     TRACE("%s %s%s%s%s%s%s creation %d attributes 0x%x\n", debugstr_w(filename),
1334           (access & GENERIC_READ)?"GENERIC_READ ":"",
1335           (access & GENERIC_WRITE)?"GENERIC_WRITE ":"",
1336           (!access)?"QUERY_ACCESS ":"",
1337           (sharing & FILE_SHARE_READ)?"FILE_SHARE_READ ":"",
1338           (sharing & FILE_SHARE_WRITE)?"FILE_SHARE_WRITE ":"",
1339           (sharing & FILE_SHARE_DELETE)?"FILE_SHARE_DELETE ":"",
1340           creation, attributes);
1341
1342     /* Open a console for CONIN$ or CONOUT$ */
1343
1344     if (!strcmpiW(filename, coninW) || !strcmpiW(filename, conoutW))
1345     {
1346         ret = OpenConsoleW(filename, access, (sa && sa->bInheritHandle), creation);
1347         goto done;
1348     }
1349
1350     if (!strncmpW(filename, bkslashes_with_dotW, 4))
1351     {
1352         static const WCHAR pipeW[] = {'P','I','P','E','\\',0};
1353         static const WCHAR mailslotW[] = {'M','A','I','L','S','L','O','T','\\',0};
1354
1355         if ((isalphaW(filename[4]) && filename[5] == ':' && filename[6] == '\0') ||
1356             !strncmpiW( filename + 4, pipeW, 5 ) ||
1357             !strncmpiW( filename + 4, mailslotW, 9 ))
1358         {
1359             dosdev = 0;
1360         }
1361         else if ((dosdev = RtlIsDosDeviceName_U( filename + 4 )))
1362         {
1363             dosdev += MAKELONG( 0, 4*sizeof(WCHAR) );  /* adjust position to start of filename */
1364         }
1365         else if (GetVersion() & 0x80000000)
1366         {
1367             vxd_name = filename + 4;
1368         }
1369     }
1370     else dosdev = RtlIsDosDeviceName_U( filename );
1371
1372     if (dosdev)
1373     {
1374         static const WCHAR conW[] = {'C','O','N'};
1375
1376         if (LOWORD(dosdev) == sizeof(conW) &&
1377             !memicmpW( filename + HIWORD(dosdev)/sizeof(WCHAR), conW, sizeof(conW)/sizeof(WCHAR)))
1378         {
1379             switch (access & (GENERIC_READ|GENERIC_WRITE))
1380             {
1381             case GENERIC_READ:
1382                 ret = OpenConsoleW(coninW, access, (sa && sa->bInheritHandle), creation);
1383                 goto done;
1384             case GENERIC_WRITE:
1385                 ret = OpenConsoleW(conoutW, access, (sa && sa->bInheritHandle), creation);
1386                 goto done;
1387             default:
1388                 SetLastError( ERROR_FILE_NOT_FOUND );
1389                 return INVALID_HANDLE_VALUE;
1390             }
1391         }
1392     }
1393
1394     if (creation < CREATE_NEW || creation > TRUNCATE_EXISTING)
1395     {
1396         SetLastError( ERROR_INVALID_PARAMETER );
1397         return INVALID_HANDLE_VALUE;
1398     }
1399
1400     if (!RtlDosPathNameToNtPathName_U( filename, &nameW, NULL, NULL ))
1401     {
1402         SetLastError( ERROR_PATH_NOT_FOUND );
1403         return INVALID_HANDLE_VALUE;
1404     }
1405
1406     /* now call NtCreateFile */
1407
1408     options = 0;
1409     if (attributes & FILE_FLAG_BACKUP_SEMANTICS)
1410         options |= FILE_OPEN_FOR_BACKUP_INTENT;
1411     else
1412         options |= FILE_NON_DIRECTORY_FILE;
1413     if (attributes & FILE_FLAG_DELETE_ON_CLOSE)
1414     {
1415         options |= FILE_DELETE_ON_CLOSE;
1416         access |= DELETE;
1417     }
1418     if (attributes & FILE_FLAG_NO_BUFFERING)
1419         options |= FILE_NO_INTERMEDIATE_BUFFERING;
1420     if (!(attributes & FILE_FLAG_OVERLAPPED))
1421         options |= FILE_SYNCHRONOUS_IO_ALERT;
1422     if (attributes & FILE_FLAG_RANDOM_ACCESS)
1423         options |= FILE_RANDOM_ACCESS;
1424     attributes &= FILE_ATTRIBUTE_VALID_FLAGS;
1425
1426     attr.Length = sizeof(attr);
1427     attr.RootDirectory = 0;
1428     attr.Attributes = OBJ_CASE_INSENSITIVE;
1429     attr.ObjectName = &nameW;
1430     attr.SecurityDescriptor = sa ? sa->lpSecurityDescriptor : NULL;
1431     if (attributes & SECURITY_SQOS_PRESENT)
1432     {
1433         qos.Length = sizeof(qos);
1434         qos.ImpersonationLevel = (attributes >> 16) & 0x3;
1435         qos.ContextTrackingMode = attributes & SECURITY_CONTEXT_TRACKING ? SECURITY_DYNAMIC_TRACKING : SECURITY_STATIC_TRACKING;
1436         qos.EffectiveOnly = attributes & SECURITY_EFFECTIVE_ONLY ? TRUE : FALSE;
1437         attr.SecurityQualityOfService = &qos;
1438     }
1439     else
1440         attr.SecurityQualityOfService = NULL;
1441
1442     if (sa && sa->bInheritHandle) attr.Attributes |= OBJ_INHERIT;
1443
1444     status = NtCreateFile( &ret, access, &attr, &io, NULL, attributes,
1445                            sharing, nt_disposition[creation - CREATE_NEW],
1446                            options, NULL, 0 );
1447     if (status)
1448     {
1449         if (vxd_name && vxd_name[0] && (ret = VXD_Open( vxd_name, access, sa ))) goto done;
1450
1451         WARN("Unable to create file %s (status %x)\n", debugstr_w(filename), status);
1452         ret = INVALID_HANDLE_VALUE;
1453
1454         /* In the case file creation was rejected due to CREATE_NEW flag
1455          * was specified and file with that name already exists, correct
1456          * last error is ERROR_FILE_EXISTS and not ERROR_ALREADY_EXISTS.
1457          * Note: RtlNtStatusToDosError is not the subject to blame here.
1458          */
1459         if (status == STATUS_OBJECT_NAME_COLLISION)
1460             SetLastError( ERROR_FILE_EXISTS );
1461         else
1462             SetLastError( RtlNtStatusToDosError(status) );
1463     }
1464     else
1465     {
1466         if ((creation == CREATE_ALWAYS && io.Information == FILE_OVERWRITTEN) ||
1467             (creation == OPEN_ALWAYS && io.Information == FILE_OPENED))
1468             SetLastError( ERROR_ALREADY_EXISTS );
1469         else
1470             SetLastError( 0 );
1471     }
1472     RtlFreeUnicodeString( &nameW );
1473
1474  done:
1475     if (!ret) ret = INVALID_HANDLE_VALUE;
1476     TRACE("returning %p\n", ret);
1477     return ret;
1478 }
1479
1480
1481
1482 /*************************************************************************
1483  *              CreateFileA              (KERNEL32.@)
1484  *
1485  * See CreateFileW.
1486  */
1487 HANDLE WINAPI CreateFileA( LPCSTR filename, DWORD access, DWORD sharing,
1488                            LPSECURITY_ATTRIBUTES sa, DWORD creation,
1489                            DWORD attributes, HANDLE template)
1490 {
1491     WCHAR *nameW;
1492
1493     if (!(nameW = FILE_name_AtoW( filename, FALSE ))) return INVALID_HANDLE_VALUE;
1494     return CreateFileW( nameW, access, sharing, sa, creation, attributes, template );
1495 }
1496
1497
1498 /***********************************************************************
1499  *           DeleteFileW   (KERNEL32.@)
1500  *
1501  * Delete a file.
1502  *
1503  * PARAMS
1504  *  path [I] Path to the file to delete.
1505  *
1506  * RETURNS
1507  *  Success: TRUE.
1508  *  Failure: FALSE, check GetLastError().
1509  */
1510 BOOL WINAPI DeleteFileW( LPCWSTR path )
1511 {
1512     UNICODE_STRING nameW;
1513     OBJECT_ATTRIBUTES attr;
1514     NTSTATUS status;
1515     HANDLE hFile;
1516     IO_STATUS_BLOCK io;
1517
1518     TRACE("%s\n", debugstr_w(path) );
1519
1520     if (!RtlDosPathNameToNtPathName_U( path, &nameW, NULL, NULL ))
1521     {
1522         SetLastError( ERROR_PATH_NOT_FOUND );
1523         return FALSE;
1524     }
1525
1526     attr.Length = sizeof(attr);
1527     attr.RootDirectory = 0;
1528     attr.Attributes = OBJ_CASE_INSENSITIVE;
1529     attr.ObjectName = &nameW;
1530     attr.SecurityDescriptor = NULL;
1531     attr.SecurityQualityOfService = NULL;
1532
1533     status = NtCreateFile(&hFile, GENERIC_READ | GENERIC_WRITE | DELETE,
1534                           &attr, &io, NULL, 0,
1535                           FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
1536                           FILE_OPEN, FILE_DELETE_ON_CLOSE | FILE_NON_DIRECTORY_FILE, NULL, 0);
1537     if (status == STATUS_SUCCESS) status = NtClose(hFile);
1538
1539     RtlFreeUnicodeString( &nameW );
1540     if (status)
1541     {
1542         SetLastError( RtlNtStatusToDosError(status) );
1543         return FALSE;
1544     }
1545     return TRUE;
1546 }
1547
1548
1549 /***********************************************************************
1550  *           DeleteFileA   (KERNEL32.@)
1551  *
1552  * See DeleteFileW.
1553  */
1554 BOOL WINAPI DeleteFileA( LPCSTR path )
1555 {
1556     WCHAR *pathW;
1557
1558     if (!(pathW = FILE_name_AtoW( path, FALSE ))) return FALSE;
1559     return DeleteFileW( pathW );
1560 }
1561
1562
1563 /**************************************************************************
1564  *           ReplaceFileW   (KERNEL32.@)
1565  *           ReplaceFile    (KERNEL32.@)
1566  */
1567 BOOL WINAPI ReplaceFileW(LPCWSTR lpReplacedFileName, LPCWSTR lpReplacementFileName,
1568                          LPCWSTR lpBackupFileName, DWORD dwReplaceFlags,
1569                          LPVOID lpExclude, LPVOID lpReserved)
1570 {
1571     UNICODE_STRING nt_replaced_name, nt_replacement_name;
1572     ANSI_STRING unix_replaced_name, unix_replacement_name, unix_backup_name;
1573     HANDLE hReplaced = NULL, hReplacement = NULL, hBackup = NULL;
1574     DWORD error = ERROR_SUCCESS;
1575     UINT replaced_flags;
1576     BOOL ret = FALSE;
1577     NTSTATUS status;
1578     IO_STATUS_BLOCK io;
1579     OBJECT_ATTRIBUTES attr;
1580
1581     if (dwReplaceFlags)
1582         FIXME("Ignoring flags %x\n", dwReplaceFlags);
1583
1584     /* First two arguments are mandatory */
1585     if (!lpReplacedFileName || !lpReplacementFileName)
1586     {
1587         SetLastError(ERROR_INVALID_PARAMETER);
1588         return FALSE;
1589     }
1590
1591     unix_replaced_name.Buffer = NULL;
1592     unix_replacement_name.Buffer = NULL;
1593     unix_backup_name.Buffer = NULL;
1594
1595     attr.Length = sizeof(attr);
1596     attr.RootDirectory = 0;
1597     attr.Attributes = OBJ_CASE_INSENSITIVE;
1598     attr.ObjectName = NULL;
1599     attr.SecurityDescriptor = NULL;
1600     attr.SecurityQualityOfService = NULL;
1601
1602     /* Open the "replaced" file for reading and writing */
1603     if (!(RtlDosPathNameToNtPathName_U(lpReplacedFileName, &nt_replaced_name, NULL, NULL)))
1604     {
1605         error = ERROR_PATH_NOT_FOUND;
1606         goto fail;
1607     }
1608     replaced_flags = lpBackupFileName ? FILE_OPEN : FILE_OPEN_IF;
1609     attr.ObjectName = &nt_replaced_name;
1610     status = NtOpenFile(&hReplaced, GENERIC_READ|GENERIC_WRITE|DELETE|SYNCHRONIZE,
1611                         &attr, &io,
1612                         FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE,
1613                         FILE_SYNCHRONOUS_IO_NONALERT|FILE_NON_DIRECTORY_FILE);
1614     if (status == STATUS_SUCCESS)
1615         status = wine_nt_to_unix_file_name(&nt_replaced_name, &unix_replaced_name, replaced_flags, FALSE);
1616     RtlFreeUnicodeString(&nt_replaced_name);
1617     if (status != STATUS_SUCCESS)
1618     {
1619         if (status == STATUS_OBJECT_NAME_NOT_FOUND)
1620             error = ERROR_FILE_NOT_FOUND;
1621         else
1622             error = ERROR_UNABLE_TO_REMOVE_REPLACED;
1623         goto fail;
1624     }
1625
1626     /*
1627      * Open the replacement file for reading, writing, and deleting
1628      * (writing and deleting are needed when finished)
1629      */
1630     if (!(RtlDosPathNameToNtPathName_U(lpReplacementFileName, &nt_replacement_name, NULL, NULL)))
1631     {
1632         error = ERROR_PATH_NOT_FOUND;
1633         goto fail;
1634     }
1635     attr.ObjectName = &nt_replacement_name;
1636     status = NtOpenFile(&hReplacement,
1637                         GENERIC_READ|GENERIC_WRITE|DELETE|WRITE_DAC|SYNCHRONIZE,
1638                         &attr, &io, 0,
1639                         FILE_SYNCHRONOUS_IO_NONALERT|FILE_NON_DIRECTORY_FILE);
1640     if (status == STATUS_SUCCESS)
1641         status = wine_nt_to_unix_file_name(&nt_replacement_name, &unix_replacement_name, FILE_OPEN, FALSE);
1642     RtlFreeUnicodeString(&nt_replacement_name);
1643     if (status != STATUS_SUCCESS)
1644     {
1645         error = RtlNtStatusToDosError(status);
1646         goto fail;
1647     }
1648
1649     /* If the user wants a backup then that needs to be performed first */
1650     if (lpBackupFileName)
1651     {
1652         UNICODE_STRING nt_backup_name;
1653         FILE_BASIC_INFORMATION replaced_info;
1654
1655         /* Obtain the file attributes from the "replaced" file */
1656         status = NtQueryInformationFile(hReplaced, &io, &replaced_info,
1657                                         sizeof(replaced_info),
1658                                         FileBasicInformation);
1659         if (status != STATUS_SUCCESS)
1660         {
1661             error = RtlNtStatusToDosError(status);
1662             goto fail;
1663         }
1664
1665         if (!(RtlDosPathNameToNtPathName_U(lpBackupFileName, &nt_backup_name, NULL, NULL)))
1666         {
1667             error = ERROR_PATH_NOT_FOUND;
1668             goto fail;
1669         }
1670         attr.ObjectName = &nt_backup_name;
1671         /* Open the backup with permissions to write over it */
1672         status = NtCreateFile(&hBackup, GENERIC_WRITE,
1673                               &attr, &io, NULL, replaced_info.FileAttributes,
1674                               FILE_SHARE_WRITE, FILE_OPEN_IF,
1675                               FILE_SYNCHRONOUS_IO_NONALERT|FILE_NON_DIRECTORY_FILE,
1676                               NULL, 0);
1677         if (status == STATUS_SUCCESS)
1678             status = wine_nt_to_unix_file_name(&nt_backup_name, &unix_backup_name, FILE_OPEN_IF, FALSE);
1679         if (status != STATUS_SUCCESS)
1680         {
1681             error = RtlNtStatusToDosError(status);
1682             goto fail;
1683         }
1684
1685         /* If an existing backup exists then copy over it */
1686         if (rename(unix_replaced_name.Buffer, unix_backup_name.Buffer) == -1)
1687         {
1688             error = ERROR_UNABLE_TO_REMOVE_REPLACED; /* is this correct? */
1689             goto fail;
1690         }
1691     }
1692
1693     /*
1694      * Now that the backup has been performed (if requested), copy the replacement
1695      * into place
1696      */
1697     if (rename(unix_replacement_name.Buffer, unix_replaced_name.Buffer) == -1)
1698     {
1699         if (errno == EACCES)
1700         {
1701             /* Inappropriate permissions on "replaced", rename will fail */
1702             error = ERROR_UNABLE_TO_REMOVE_REPLACED;
1703             goto fail;
1704         }
1705         /* on failure we need to indicate whether a backup was made */
1706         if (!lpBackupFileName)
1707             error = ERROR_UNABLE_TO_MOVE_REPLACEMENT;
1708         else
1709             error = ERROR_UNABLE_TO_MOVE_REPLACEMENT_2;
1710         goto fail;
1711     }
1712     /* Success! */
1713     ret = TRUE;
1714
1715     /* Perform resource cleanup */
1716 fail:
1717     if (hBackup) CloseHandle(hBackup);
1718     if (hReplaced) CloseHandle(hReplaced);
1719     if (hReplacement) CloseHandle(hReplacement);
1720     RtlFreeAnsiString(&unix_backup_name);
1721     RtlFreeAnsiString(&unix_replacement_name);
1722     RtlFreeAnsiString(&unix_replaced_name);
1723
1724     /* If there was an error, set the error code */
1725     if(!ret)
1726         SetLastError(error);
1727     return ret;
1728 }
1729
1730
1731 /**************************************************************************
1732  *           ReplaceFileA (KERNEL32.@)
1733  */
1734 BOOL WINAPI ReplaceFileA(LPCSTR lpReplacedFileName,LPCSTR lpReplacementFileName,
1735                          LPCSTR lpBackupFileName, DWORD dwReplaceFlags,
1736                          LPVOID lpExclude, LPVOID lpReserved)
1737 {
1738     WCHAR *replacedW, *replacementW, *backupW = NULL;
1739     BOOL ret;
1740
1741     /* This function only makes sense when the first two parameters are defined */
1742     if (!lpReplacedFileName || !(replacedW = FILE_name_AtoW( lpReplacedFileName, TRUE )))
1743     {
1744         SetLastError(ERROR_INVALID_PARAMETER);
1745         return FALSE;
1746     }
1747     if (!lpReplacementFileName || !(replacementW = FILE_name_AtoW( lpReplacementFileName, TRUE )))
1748     {
1749         HeapFree( GetProcessHeap(), 0, replacedW );
1750         SetLastError(ERROR_INVALID_PARAMETER);
1751         return FALSE;
1752     }
1753     /* The backup parameter, however, is optional */
1754     if (lpBackupFileName)
1755     {
1756         if (!(backupW = FILE_name_AtoW( lpBackupFileName, TRUE )))
1757         {
1758             HeapFree( GetProcessHeap(), 0, replacedW );
1759             HeapFree( GetProcessHeap(), 0, replacementW );
1760             SetLastError(ERROR_INVALID_PARAMETER);
1761             return FALSE;
1762         }
1763     }
1764     ret = ReplaceFileW( replacedW, replacementW, backupW, dwReplaceFlags, lpExclude, lpReserved );
1765     HeapFree( GetProcessHeap(), 0, replacedW );
1766     HeapFree( GetProcessHeap(), 0, replacementW );
1767     HeapFree( GetProcessHeap(), 0, backupW );
1768     return ret;
1769 }
1770
1771
1772 /*************************************************************************
1773  *           FindFirstFileExW  (KERNEL32.@)
1774  *
1775  * NOTE: The FindExSearchLimitToDirectories is ignored - it gives the same
1776  * results as FindExSearchNameMatch
1777  */
1778 HANDLE WINAPI FindFirstFileExW( LPCWSTR filename, FINDEX_INFO_LEVELS level,
1779                                 LPVOID data, FINDEX_SEARCH_OPS search_op,
1780                                 LPVOID filter, DWORD flags)
1781 {
1782     WCHAR *mask, *p;
1783     FIND_FIRST_INFO *info = NULL;
1784     UNICODE_STRING nt_name;
1785     OBJECT_ATTRIBUTES attr;
1786     IO_STATUS_BLOCK io;
1787     NTSTATUS status;
1788     DWORD device = 0;
1789
1790     TRACE("%s %d %p %d %p %x\n", debugstr_w(filename), level, data, search_op, filter, flags);
1791
1792     if ((search_op != FindExSearchNameMatch && search_op != FindExSearchLimitToDirectories)
1793         || flags != 0)
1794     {
1795         FIXME("options not implemented 0x%08x 0x%08x\n", search_op, flags );
1796         return INVALID_HANDLE_VALUE;
1797     }
1798     if (level != FindExInfoStandard)
1799     {
1800         FIXME("info level %d not implemented\n", level );
1801         return INVALID_HANDLE_VALUE;
1802     }
1803
1804     if (!RtlDosPathNameToNtPathName_U( filename, &nt_name, &mask, NULL ))
1805     {
1806         SetLastError( ERROR_PATH_NOT_FOUND );
1807         return INVALID_HANDLE_VALUE;
1808     }
1809
1810     if (!(info = HeapAlloc( GetProcessHeap(), 0, sizeof(*info))))
1811     {
1812         SetLastError( ERROR_NOT_ENOUGH_MEMORY );
1813         goto error;
1814     }
1815
1816     if (!mask && (device = RtlIsDosDeviceName_U( filename )))
1817     {
1818         static const WCHAR dotW[] = {'.',0};
1819         WCHAR *dir = NULL;
1820
1821         /* we still need to check that the directory can be opened */
1822
1823         if (HIWORD(device))
1824         {
1825             if (!(dir = HeapAlloc( GetProcessHeap(), 0, HIWORD(device) + sizeof(WCHAR) )))
1826             {
1827                 SetLastError( ERROR_NOT_ENOUGH_MEMORY );
1828                 goto error;
1829             }
1830             memcpy( dir, filename, HIWORD(device) );
1831             dir[HIWORD(device)/sizeof(WCHAR)] = 0;
1832         }
1833         RtlFreeUnicodeString( &nt_name );
1834         if (!RtlDosPathNameToNtPathName_U( dir ? dir : dotW, &nt_name, &mask, NULL ))
1835         {
1836             HeapFree( GetProcessHeap(), 0, dir );
1837             SetLastError( ERROR_PATH_NOT_FOUND );
1838             goto error;
1839         }
1840         HeapFree( GetProcessHeap(), 0, dir );
1841         RtlInitUnicodeString( &info->mask, NULL );
1842     }
1843     else if (!mask || !*mask)
1844     {
1845         SetLastError( ERROR_FILE_NOT_FOUND );
1846         goto error;
1847     }
1848     else
1849     {
1850         if (!RtlCreateUnicodeString( &info->mask, mask ))
1851         {
1852             SetLastError( ERROR_NOT_ENOUGH_MEMORY );
1853             goto error;
1854         }
1855
1856         /* truncate dir name before mask */
1857         *mask = 0;
1858         nt_name.Length = (mask - nt_name.Buffer) * sizeof(WCHAR);
1859     }
1860
1861     /* check if path is the root of the drive */
1862     info->is_root = FALSE;
1863     p = nt_name.Buffer + 4;  /* skip \??\ prefix */
1864     if (p[0] && p[1] == ':')
1865     {
1866         p += 2;
1867         while (*p == '\\') p++;
1868         info->is_root = (*p == 0);
1869     }
1870
1871     attr.Length = sizeof(attr);
1872     attr.RootDirectory = 0;
1873     attr.Attributes = OBJ_CASE_INSENSITIVE;
1874     attr.ObjectName = &nt_name;
1875     attr.SecurityDescriptor = NULL;
1876     attr.SecurityQualityOfService = NULL;
1877
1878     status = NtOpenFile( &info->handle, GENERIC_READ, &attr, &io,
1879                          FILE_SHARE_READ | FILE_SHARE_WRITE,
1880                          FILE_DIRECTORY_FILE | FILE_SYNCHRONOUS_IO_NONALERT );
1881
1882     if (status != STATUS_SUCCESS)
1883     {
1884         RtlFreeUnicodeString( &info->mask );
1885         if (status == STATUS_OBJECT_NAME_NOT_FOUND)
1886             SetLastError( ERROR_PATH_NOT_FOUND );
1887         else
1888             SetLastError( RtlNtStatusToDosError(status) );
1889         goto error;
1890     }
1891
1892     RtlInitializeCriticalSection( &info->cs );
1893     info->cs.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": FIND_FIRST_INFO.cs");
1894     info->path     = nt_name;
1895     info->magic    = FIND_FIRST_MAGIC;
1896     info->data_pos = 0;
1897     info->data_len = 0;
1898     info->search_op = search_op;
1899
1900     if (device)
1901     {
1902         WIN32_FIND_DATAW *wfd = data;
1903
1904         memset( wfd, 0, sizeof(*wfd) );
1905         memcpy( wfd->cFileName, filename + HIWORD(device)/sizeof(WCHAR), LOWORD(device) );
1906         wfd->dwFileAttributes = FILE_ATTRIBUTE_ARCHIVE;
1907         CloseHandle( info->handle );
1908         info->handle = 0;
1909     }
1910     else
1911     {
1912         IO_STATUS_BLOCK io;
1913
1914         NtQueryDirectoryFile( info->handle, 0, NULL, NULL, &io, info->data, sizeof(info->data),
1915                               FileBothDirectoryInformation, FALSE, &info->mask, TRUE );
1916         if (io.u.Status)
1917         {
1918             FindClose( info );
1919             SetLastError( RtlNtStatusToDosError( io.u.Status ) );
1920             return INVALID_HANDLE_VALUE;
1921         }
1922         info->data_len = io.Information;
1923         if (!FindNextFileW( info, data ))
1924         {
1925             TRACE( "%s not found\n", debugstr_w(filename) );
1926             FindClose( info );
1927             SetLastError( ERROR_FILE_NOT_FOUND );
1928             return INVALID_HANDLE_VALUE;
1929         }
1930         if (!strpbrkW( info->mask.Buffer, wildcardsW ))
1931         {
1932             /* we can't find two files with the same name */
1933             CloseHandle( info->handle );
1934             info->handle = 0;
1935         }
1936     }
1937     return info;
1938
1939 error:
1940     HeapFree( GetProcessHeap(), 0, info );
1941     RtlFreeUnicodeString( &nt_name );
1942     return INVALID_HANDLE_VALUE;
1943 }
1944
1945
1946 /*************************************************************************
1947  *           FindNextFileW   (KERNEL32.@)
1948  */
1949 BOOL WINAPI FindNextFileW( HANDLE handle, WIN32_FIND_DATAW *data )
1950 {
1951     FIND_FIRST_INFO *info;
1952     FILE_BOTH_DIR_INFORMATION *dir_info;
1953     BOOL ret = FALSE;
1954
1955     TRACE("%p %p\n", handle, data);
1956
1957     if (!handle || handle == INVALID_HANDLE_VALUE)
1958     {
1959         SetLastError( ERROR_INVALID_HANDLE );
1960         return ret;
1961     }
1962     info = (FIND_FIRST_INFO *)handle;
1963     if (info->magic != FIND_FIRST_MAGIC)
1964     {
1965         SetLastError( ERROR_INVALID_HANDLE );
1966         return ret;
1967     }
1968
1969     RtlEnterCriticalSection( &info->cs );
1970
1971     if (!info->handle) SetLastError( ERROR_NO_MORE_FILES );
1972     else for (;;)
1973     {
1974         if (info->data_pos >= info->data_len)  /* need to read some more data */
1975         {
1976             IO_STATUS_BLOCK io;
1977
1978             NtQueryDirectoryFile( info->handle, 0, NULL, NULL, &io, info->data, sizeof(info->data),
1979                                   FileBothDirectoryInformation, FALSE, &info->mask, FALSE );
1980             if (io.u.Status)
1981             {
1982                 SetLastError( RtlNtStatusToDosError( io.u.Status ) );
1983                 if (io.u.Status == STATUS_NO_MORE_FILES)
1984                 {
1985                     CloseHandle( info->handle );
1986                     info->handle = 0;
1987                 }
1988                 break;
1989             }
1990             info->data_len = io.Information;
1991             info->data_pos = 0;
1992         }
1993
1994         dir_info = (FILE_BOTH_DIR_INFORMATION *)(info->data + info->data_pos);
1995
1996         if (dir_info->NextEntryOffset) info->data_pos += dir_info->NextEntryOffset;
1997         else info->data_pos = info->data_len;
1998
1999         /* don't return '.' and '..' in the root of the drive */
2000         if (info->is_root)
2001         {
2002             if (dir_info->FileNameLength == sizeof(WCHAR) && dir_info->FileName[0] == '.') continue;
2003             if (dir_info->FileNameLength == 2 * sizeof(WCHAR) &&
2004                 dir_info->FileName[0] == '.' && dir_info->FileName[1] == '.') continue;
2005         }
2006
2007         /* check for dir symlink */
2008         if ((dir_info->FileAttributes & FILE_ATTRIBUTE_DIRECTORY) &&
2009             (dir_info->FileAttributes & FILE_ATTRIBUTE_REPARSE_POINT) &&
2010             strpbrkW( info->mask.Buffer, wildcardsW ))
2011         {
2012             if (!check_dir_symlink( info, dir_info )) continue;
2013         }
2014
2015         data->dwFileAttributes = dir_info->FileAttributes;
2016         data->ftCreationTime   = *(FILETIME *)&dir_info->CreationTime;
2017         data->ftLastAccessTime = *(FILETIME *)&dir_info->LastAccessTime;
2018         data->ftLastWriteTime  = *(FILETIME *)&dir_info->LastWriteTime;
2019         data->nFileSizeHigh    = dir_info->EndOfFile.QuadPart >> 32;
2020         data->nFileSizeLow     = (DWORD)dir_info->EndOfFile.QuadPart;
2021         data->dwReserved0      = 0;
2022         data->dwReserved1      = 0;
2023
2024         memcpy( data->cFileName, dir_info->FileName, dir_info->FileNameLength );
2025         data->cFileName[dir_info->FileNameLength/sizeof(WCHAR)] = 0;
2026         memcpy( data->cAlternateFileName, dir_info->ShortName, dir_info->ShortNameLength );
2027         data->cAlternateFileName[dir_info->ShortNameLength/sizeof(WCHAR)] = 0;
2028
2029         TRACE("returning %s (%s)\n",
2030               debugstr_w(data->cFileName), debugstr_w(data->cAlternateFileName) );
2031
2032         ret = TRUE;
2033         break;
2034     }
2035
2036     RtlLeaveCriticalSection( &info->cs );
2037     return ret;
2038 }
2039
2040
2041 /*************************************************************************
2042  *           FindClose   (KERNEL32.@)
2043  */
2044 BOOL WINAPI FindClose( HANDLE handle )
2045 {
2046     FIND_FIRST_INFO *info = (FIND_FIRST_INFO *)handle;
2047
2048     if (!handle || handle == INVALID_HANDLE_VALUE)
2049     {
2050         SetLastError( ERROR_INVALID_HANDLE );
2051         return FALSE;
2052     }
2053
2054     __TRY
2055     {
2056         if (info->magic == FIND_FIRST_MAGIC)
2057         {
2058             RtlEnterCriticalSection( &info->cs );
2059             if (info->magic == FIND_FIRST_MAGIC)  /* in case someone else freed it in the meantime */
2060             {
2061                 info->magic = 0;
2062                 if (info->handle) CloseHandle( info->handle );
2063                 info->handle = 0;
2064                 RtlFreeUnicodeString( &info->mask );
2065                 info->mask.Buffer = NULL;
2066                 RtlFreeUnicodeString( &info->path );
2067                 info->data_pos = 0;
2068                 info->data_len = 0;
2069                 RtlLeaveCriticalSection( &info->cs );
2070                 info->cs.DebugInfo->Spare[0] = 0;
2071                 RtlDeleteCriticalSection( &info->cs );
2072                 HeapFree( GetProcessHeap(), 0, info );
2073             }
2074         }
2075     }
2076     __EXCEPT_PAGE_FAULT
2077     {
2078         WARN("Illegal handle %p\n", handle);
2079         SetLastError( ERROR_INVALID_HANDLE );
2080         return FALSE;
2081     }
2082     __ENDTRY
2083
2084     return TRUE;
2085 }
2086
2087
2088 /*************************************************************************
2089  *           FindFirstFileA   (KERNEL32.@)
2090  */
2091 HANDLE WINAPI FindFirstFileA( LPCSTR lpFileName, WIN32_FIND_DATAA *lpFindData )
2092 {
2093     return FindFirstFileExA(lpFileName, FindExInfoStandard, lpFindData,
2094                             FindExSearchNameMatch, NULL, 0);
2095 }
2096
2097 /*************************************************************************
2098  *           FindFirstFileExA   (KERNEL32.@)
2099  */
2100 HANDLE WINAPI FindFirstFileExA( LPCSTR lpFileName, FINDEX_INFO_LEVELS fInfoLevelId,
2101                                 LPVOID lpFindFileData, FINDEX_SEARCH_OPS fSearchOp,
2102                                 LPVOID lpSearchFilter, DWORD dwAdditionalFlags)
2103 {
2104     HANDLE handle;
2105     WIN32_FIND_DATAA *dataA;
2106     WIN32_FIND_DATAW dataW;
2107     WCHAR *nameW;
2108
2109     if (!(nameW = FILE_name_AtoW( lpFileName, FALSE ))) return INVALID_HANDLE_VALUE;
2110
2111     handle = FindFirstFileExW(nameW, fInfoLevelId, &dataW, fSearchOp, lpSearchFilter, dwAdditionalFlags);
2112     if (handle == INVALID_HANDLE_VALUE) return handle;
2113
2114     dataA = (WIN32_FIND_DATAA *) lpFindFileData;
2115     dataA->dwFileAttributes = dataW.dwFileAttributes;
2116     dataA->ftCreationTime   = dataW.ftCreationTime;
2117     dataA->ftLastAccessTime = dataW.ftLastAccessTime;
2118     dataA->ftLastWriteTime  = dataW.ftLastWriteTime;
2119     dataA->nFileSizeHigh    = dataW.nFileSizeHigh;
2120     dataA->nFileSizeLow     = dataW.nFileSizeLow;
2121     FILE_name_WtoA( dataW.cFileName, -1, dataA->cFileName, sizeof(dataA->cFileName) );
2122     FILE_name_WtoA( dataW.cAlternateFileName, -1, dataA->cAlternateFileName,
2123                     sizeof(dataA->cAlternateFileName) );
2124     return handle;
2125 }
2126
2127
2128 /*************************************************************************
2129  *           FindFirstFileW   (KERNEL32.@)
2130  */
2131 HANDLE WINAPI FindFirstFileW( LPCWSTR lpFileName, WIN32_FIND_DATAW *lpFindData )
2132 {
2133     return FindFirstFileExW(lpFileName, FindExInfoStandard, lpFindData,
2134                             FindExSearchNameMatch, NULL, 0);
2135 }
2136
2137
2138 /*************************************************************************
2139  *           FindNextFileA   (KERNEL32.@)
2140  */
2141 BOOL WINAPI FindNextFileA( HANDLE handle, WIN32_FIND_DATAA *data )
2142 {
2143     WIN32_FIND_DATAW dataW;
2144
2145     if (!FindNextFileW( handle, &dataW )) return FALSE;
2146     data->dwFileAttributes = dataW.dwFileAttributes;
2147     data->ftCreationTime   = dataW.ftCreationTime;
2148     data->ftLastAccessTime = dataW.ftLastAccessTime;
2149     data->ftLastWriteTime  = dataW.ftLastWriteTime;
2150     data->nFileSizeHigh    = dataW.nFileSizeHigh;
2151     data->nFileSizeLow     = dataW.nFileSizeLow;
2152     FILE_name_WtoA( dataW.cFileName, -1, data->cFileName, sizeof(data->cFileName) );
2153     FILE_name_WtoA( dataW.cAlternateFileName, -1, data->cAlternateFileName,
2154                     sizeof(data->cAlternateFileName) );
2155     return TRUE;
2156 }
2157
2158
2159 /**************************************************************************
2160  *           GetFileAttributesW   (KERNEL32.@)
2161  */
2162 DWORD WINAPI GetFileAttributesW( LPCWSTR name )
2163 {
2164     FILE_BASIC_INFORMATION info;
2165     UNICODE_STRING nt_name;
2166     OBJECT_ATTRIBUTES attr;
2167     NTSTATUS status;
2168
2169     TRACE("%s\n", debugstr_w(name));
2170
2171     if (!RtlDosPathNameToNtPathName_U( name, &nt_name, NULL, NULL ))
2172     {
2173         SetLastError( ERROR_PATH_NOT_FOUND );
2174         return INVALID_FILE_ATTRIBUTES;
2175     }
2176
2177     attr.Length = sizeof(attr);
2178     attr.RootDirectory = 0;
2179     attr.Attributes = OBJ_CASE_INSENSITIVE;
2180     attr.ObjectName = &nt_name;
2181     attr.SecurityDescriptor = NULL;
2182     attr.SecurityQualityOfService = NULL;
2183
2184     status = NtQueryAttributesFile( &attr, &info );
2185     RtlFreeUnicodeString( &nt_name );
2186
2187     if (status == STATUS_SUCCESS) return info.FileAttributes;
2188
2189     /* NtQueryAttributesFile fails on devices, but GetFileAttributesW succeeds */
2190     if (RtlIsDosDeviceName_U( name )) return FILE_ATTRIBUTE_ARCHIVE;
2191
2192     SetLastError( RtlNtStatusToDosError(status) );
2193     return INVALID_FILE_ATTRIBUTES;
2194 }
2195
2196
2197 /**************************************************************************
2198  *           GetFileAttributesA   (KERNEL32.@)
2199  */
2200 DWORD WINAPI GetFileAttributesA( LPCSTR name )
2201 {
2202     WCHAR *nameW;
2203
2204     if (!(nameW = FILE_name_AtoW( name, FALSE ))) return INVALID_FILE_ATTRIBUTES;
2205     return GetFileAttributesW( nameW );
2206 }
2207
2208
2209 /**************************************************************************
2210  *              SetFileAttributesW      (KERNEL32.@)
2211  */
2212 BOOL WINAPI SetFileAttributesW( LPCWSTR name, DWORD attributes )
2213 {
2214     UNICODE_STRING nt_name;
2215     OBJECT_ATTRIBUTES attr;
2216     IO_STATUS_BLOCK io;
2217     NTSTATUS status;
2218     HANDLE handle;
2219
2220     TRACE("%s %x\n", debugstr_w(name), attributes);
2221
2222     if (!RtlDosPathNameToNtPathName_U( name, &nt_name, NULL, NULL ))
2223     {
2224         SetLastError( ERROR_PATH_NOT_FOUND );
2225         return FALSE;
2226     }
2227
2228     attr.Length = sizeof(attr);
2229     attr.RootDirectory = 0;
2230     attr.Attributes = OBJ_CASE_INSENSITIVE;
2231     attr.ObjectName = &nt_name;
2232     attr.SecurityDescriptor = NULL;
2233     attr.SecurityQualityOfService = NULL;
2234
2235     status = NtOpenFile( &handle, 0, &attr, &io, 0, FILE_SYNCHRONOUS_IO_NONALERT );
2236     RtlFreeUnicodeString( &nt_name );
2237
2238     if (status == STATUS_SUCCESS)
2239     {
2240         FILE_BASIC_INFORMATION info;
2241
2242         memset( &info, 0, sizeof(info) );
2243         info.FileAttributes = attributes | FILE_ATTRIBUTE_NORMAL;  /* make sure it's not zero */
2244         status = NtSetInformationFile( handle, &io, &info, sizeof(info), FileBasicInformation );
2245         NtClose( handle );
2246     }
2247
2248     if (status == STATUS_SUCCESS) return TRUE;
2249     SetLastError( RtlNtStatusToDosError(status) );
2250     return FALSE;
2251 }
2252
2253
2254 /**************************************************************************
2255  *              SetFileAttributesA      (KERNEL32.@)
2256  */
2257 BOOL WINAPI SetFileAttributesA( LPCSTR name, DWORD attributes )
2258 {
2259     WCHAR *nameW;
2260
2261     if (!(nameW = FILE_name_AtoW( name, FALSE ))) return FALSE;
2262     return SetFileAttributesW( nameW, attributes );
2263 }
2264
2265
2266 /**************************************************************************
2267  *           GetFileAttributesExW   (KERNEL32.@)
2268  */
2269 BOOL WINAPI GetFileAttributesExW( LPCWSTR name, GET_FILEEX_INFO_LEVELS level, LPVOID ptr )
2270 {
2271     FILE_NETWORK_OPEN_INFORMATION info;
2272     WIN32_FILE_ATTRIBUTE_DATA *data = ptr;
2273     UNICODE_STRING nt_name;
2274     OBJECT_ATTRIBUTES attr;
2275     NTSTATUS status;
2276
2277     TRACE("%s %d %p\n", debugstr_w(name), level, ptr);
2278
2279     if (level != GetFileExInfoStandard)
2280     {
2281         SetLastError( ERROR_INVALID_PARAMETER );
2282         return FALSE;
2283     }
2284
2285     if (!RtlDosPathNameToNtPathName_U( name, &nt_name, NULL, NULL ))
2286     {
2287         SetLastError( ERROR_PATH_NOT_FOUND );
2288         return FALSE;
2289     }
2290
2291     attr.Length = sizeof(attr);
2292     attr.RootDirectory = 0;
2293     attr.Attributes = OBJ_CASE_INSENSITIVE;
2294     attr.ObjectName = &nt_name;
2295     attr.SecurityDescriptor = NULL;
2296     attr.SecurityQualityOfService = NULL;
2297
2298     status = NtQueryFullAttributesFile( &attr, &info );
2299     RtlFreeUnicodeString( &nt_name );
2300
2301     if (status != STATUS_SUCCESS)
2302     {
2303         SetLastError( RtlNtStatusToDosError(status) );
2304         return FALSE;
2305     }
2306
2307     data->dwFileAttributes = info.FileAttributes;
2308     data->ftCreationTime.dwLowDateTime    = info.CreationTime.u.LowPart;
2309     data->ftCreationTime.dwHighDateTime   = info.CreationTime.u.HighPart;
2310     data->ftLastAccessTime.dwLowDateTime  = info.LastAccessTime.u.LowPart;
2311     data->ftLastAccessTime.dwHighDateTime = info.LastAccessTime.u.HighPart;
2312     data->ftLastWriteTime.dwLowDateTime   = info.LastWriteTime.u.LowPart;
2313     data->ftLastWriteTime.dwHighDateTime  = info.LastWriteTime.u.HighPart;
2314     data->nFileSizeLow                    = info.EndOfFile.u.LowPart;
2315     data->nFileSizeHigh                   = info.EndOfFile.u.HighPart;
2316     return TRUE;
2317 }
2318
2319
2320 /**************************************************************************
2321  *           GetFileAttributesExA   (KERNEL32.@)
2322  */
2323 BOOL WINAPI GetFileAttributesExA( LPCSTR name, GET_FILEEX_INFO_LEVELS level, LPVOID ptr )
2324 {
2325     WCHAR *nameW;
2326
2327     if (!(nameW = FILE_name_AtoW( name, FALSE ))) return FALSE;
2328     return GetFileAttributesExW( nameW, level, ptr );
2329 }
2330
2331
2332 /******************************************************************************
2333  *           GetCompressedFileSizeW   (KERNEL32.@)
2334  *
2335  * Get the actual number of bytes used on disk.
2336  *
2337  * RETURNS
2338  *    Success: Low-order doubleword of number of bytes
2339  *    Failure: INVALID_FILE_SIZE
2340  */
2341 DWORD WINAPI GetCompressedFileSizeW(
2342     LPCWSTR name,       /* [in]  Pointer to name of file */
2343     LPDWORD size_high ) /* [out] Receives high-order doubleword of size */
2344 {
2345     UNICODE_STRING nt_name;
2346     OBJECT_ATTRIBUTES attr;
2347     IO_STATUS_BLOCK io;
2348     NTSTATUS status;
2349     HANDLE handle;
2350     DWORD ret = INVALID_FILE_SIZE;
2351
2352     TRACE("%s %p\n", debugstr_w(name), size_high);
2353
2354     if (!RtlDosPathNameToNtPathName_U( name, &nt_name, NULL, NULL ))
2355     {
2356         SetLastError( ERROR_PATH_NOT_FOUND );
2357         return INVALID_FILE_SIZE;
2358     }
2359
2360     attr.Length = sizeof(attr);
2361     attr.RootDirectory = 0;
2362     attr.Attributes = OBJ_CASE_INSENSITIVE;
2363     attr.ObjectName = &nt_name;
2364     attr.SecurityDescriptor = NULL;
2365     attr.SecurityQualityOfService = NULL;
2366
2367     status = NtOpenFile( &handle, 0, &attr, &io, 0, FILE_SYNCHRONOUS_IO_NONALERT );
2368     RtlFreeUnicodeString( &nt_name );
2369
2370     if (status == STATUS_SUCCESS)
2371     {
2372         /* we don't support compressed files, simply return the file size */
2373         ret = GetFileSize( handle, size_high );
2374         NtClose( handle );
2375     }
2376     else SetLastError( RtlNtStatusToDosError(status) );
2377
2378     return ret;
2379 }
2380
2381
2382 /******************************************************************************
2383  *           GetCompressedFileSizeA   (KERNEL32.@)
2384  *
2385  * See GetCompressedFileSizeW.
2386  */
2387 DWORD WINAPI GetCompressedFileSizeA( LPCSTR name, LPDWORD size_high )
2388 {
2389     WCHAR *nameW;
2390
2391     if (!(nameW = FILE_name_AtoW( name, FALSE ))) return INVALID_FILE_SIZE;
2392     return GetCompressedFileSizeW( nameW, size_high );
2393 }
2394
2395
2396 /***********************************************************************
2397  *           OpenFile   (KERNEL32.@)
2398  */
2399 HFILE WINAPI OpenFile( LPCSTR name, OFSTRUCT *ofs, UINT mode )
2400 {
2401     HANDLE handle;
2402     FILETIME filetime;
2403     WORD filedatetime[2];
2404
2405     if (!ofs) return HFILE_ERROR;
2406
2407     TRACE("%s %s %s %s%s%s%s%s%s%s%s%s\n",name,
2408           ((mode & 0x3 )==OF_READ)?"OF_READ":
2409           ((mode & 0x3 )==OF_WRITE)?"OF_WRITE":
2410           ((mode & 0x3 )==OF_READWRITE)?"OF_READWRITE":"unknown",
2411           ((mode & 0x70 )==OF_SHARE_COMPAT)?"OF_SHARE_COMPAT":
2412           ((mode & 0x70 )==OF_SHARE_DENY_NONE)?"OF_SHARE_DENY_NONE":
2413           ((mode & 0x70 )==OF_SHARE_DENY_READ)?"OF_SHARE_DENY_READ":
2414           ((mode & 0x70 )==OF_SHARE_DENY_WRITE)?"OF_SHARE_DENY_WRITE":
2415           ((mode & 0x70 )==OF_SHARE_EXCLUSIVE)?"OF_SHARE_EXCLUSIVE":"unknown",
2416           ((mode & OF_PARSE )==OF_PARSE)?"OF_PARSE ":"",
2417           ((mode & OF_DELETE )==OF_DELETE)?"OF_DELETE ":"",
2418           ((mode & OF_VERIFY )==OF_VERIFY)?"OF_VERIFY ":"",
2419           ((mode & OF_SEARCH )==OF_SEARCH)?"OF_SEARCH ":"",
2420           ((mode & OF_CANCEL )==OF_CANCEL)?"OF_CANCEL ":"",
2421           ((mode & OF_CREATE )==OF_CREATE)?"OF_CREATE ":"",
2422           ((mode & OF_PROMPT )==OF_PROMPT)?"OF_PROMPT ":"",
2423           ((mode & OF_EXIST )==OF_EXIST)?"OF_EXIST ":"",
2424           ((mode & OF_REOPEN )==OF_REOPEN)?"OF_REOPEN ":""
2425         );
2426
2427
2428     ofs->cBytes = sizeof(OFSTRUCT);
2429     ofs->nErrCode = 0;
2430     if (mode & OF_REOPEN) name = ofs->szPathName;
2431
2432     if (!name) return HFILE_ERROR;
2433
2434     TRACE("%s %04x\n", name, mode );
2435
2436     /* the watcom 10.6 IDE relies on a valid path returned in ofs->szPathName
2437        Are there any cases where getting the path here is wrong?
2438        Uwe Bonnes 1997 Apr 2 */
2439     if (!GetFullPathNameA( name, sizeof(ofs->szPathName), ofs->szPathName, NULL )) goto error;
2440
2441     /* OF_PARSE simply fills the structure */
2442
2443     if (mode & OF_PARSE)
2444     {
2445         ofs->fFixedDisk = (GetDriveTypeA( ofs->szPathName ) != DRIVE_REMOVABLE);
2446         TRACE("(%s): OF_PARSE, res = '%s'\n", name, ofs->szPathName );
2447         return 0;
2448     }
2449
2450     /* OF_CREATE is completely different from all other options, so
2451        handle it first */
2452
2453     if (mode & OF_CREATE)
2454     {
2455         if ((handle = create_file_OF( name, mode )) == INVALID_HANDLE_VALUE)
2456             goto error;
2457     }
2458     else
2459     {
2460         /* Now look for the file */
2461
2462         if (!SearchPathA( NULL, name, NULL, sizeof(ofs->szPathName), ofs->szPathName, NULL ))
2463             goto error;
2464
2465         TRACE("found %s\n", debugstr_a(ofs->szPathName) );
2466
2467         if (mode & OF_DELETE)
2468         {
2469             if (!DeleteFileA( ofs->szPathName )) goto error;
2470             TRACE("(%s): OF_DELETE return = OK\n", name);
2471             return TRUE;
2472         }
2473
2474         handle = LongToHandle(_lopen( ofs->szPathName, mode ));
2475         if (handle == INVALID_HANDLE_VALUE) goto error;
2476
2477         GetFileTime( handle, NULL, NULL, &filetime );
2478         FileTimeToDosDateTime( &filetime, &filedatetime[0], &filedatetime[1] );
2479         if ((mode & OF_VERIFY) && (mode & OF_REOPEN))
2480         {
2481             if (ofs->Reserved1 != filedatetime[0] || ofs->Reserved2 != filedatetime[1] )
2482             {
2483                 CloseHandle( handle );
2484                 WARN("(%s): OF_VERIFY failed\n", name );
2485                 /* FIXME: what error here? */
2486                 SetLastError( ERROR_FILE_NOT_FOUND );
2487                 goto error;
2488             }
2489         }
2490         ofs->Reserved1 = filedatetime[0];
2491         ofs->Reserved2 = filedatetime[1];
2492     }
2493     TRACE("(%s): OK, return = %p\n", name, handle );
2494     if (mode & OF_EXIST)  /* Return TRUE instead of a handle */
2495     {
2496         CloseHandle( handle );
2497         return TRUE;
2498     }
2499     return HandleToLong(handle);
2500
2501 error:  /* We get here if there was an error opening the file */
2502     ofs->nErrCode = GetLastError();
2503     WARN("(%s): return = HFILE_ERROR error= %d\n", name,ofs->nErrCode );
2504     return HFILE_ERROR;
2505 }