files/file.c

   1 /*
   2  * File handling functions
   3  *
   4  * Copyright 1993 John Burton
   5  * Copyright 1996 Alexandre Julliard
   6  *
   7  * TODO:
   8  *    Fix the CopyFileEx methods to implement the "extended" functionality.
   9  *    Right now, they simply call the CopyFile method.
  10  */
  11
  12 #include "config.h"
  13
  14 #include <assert.h>
  15 #include <ctype.h>
  16 #include <errno.h>
  17 #include <fcntl.h>
  18 #include <stdlib.h>
  19 #include <stdio.h>
  20 #include <string.h>
  21 #ifdef HAVE_SYS_ERRNO_H
  22 #include <sys/errno.h>
  23 #endif
  24 #include <sys/types.h>
  25 #include <sys/stat.h>
  26 #ifdef HAVE_SYS_MMAN_H
  27 #include <sys/mman.h>
  28 #endif
  29 #include <sys/time.h>
  30 #include <time.h>
  31 #include <unistd.h>
  32 #include <utime.h>
  33
  34 #include "winerror.h"
  35 #include "windef.h"
  36 #include "winbase.h"
  37 #include "wine/winbase16.h"
  38 #include "wine/winestring.h"
  39 #include "drive.h"
  40 #include "file.h"
  41 #include "global.h"
  42 #include "heap.h"
  43 #include "msdos.h"
  44 #include "ldt.h"
  45 #include "task.h"
  46 #include "wincon.h"
  47 #include "debugtools.h"
  48
  49 #include "server.h"
  50
  51 DEFAULT_DEBUG_CHANNEL(file);
  52
  53 #if defined(MAP_ANONYMOUS) && !defined(MAP_ANON)
  54 #define MAP_ANON MAP_ANONYMOUS
  55 #endif
  56
  57 /* Size of per-process table of DOS handles */
  58 #define DOS_TABLE_SIZE 256
  59
  60 static HANDLE dos_handles[DOS_TABLE_SIZE];
  61
  62
  63 /***********************************************************************
  64  *              FILE_ConvertOFMode
  65  *
  66  * Convert OF_* mode into flags for CreateFile.
  67  */
  68 static void FILE_ConvertOFMode( INT mode, DWORD *access, DWORD *sharing )
  69 {
  70     switch(mode & 0x03)
  71     {
  72     case OF_READ:      *access = GENERIC_READ; break;
  73     case OF_WRITE:     *access = GENERIC_WRITE; break;
  74     case OF_READWRITE: *access = GENERIC_READ | GENERIC_WRITE; break;
  75     default:           *access = 0; break;
  76     }
  77     switch(mode & 0x70)
  78     {
  79     case OF_SHARE_EXCLUSIVE:  *sharing = 0; break;
  80     case OF_SHARE_DENY_WRITE: *sharing = FILE_SHARE_READ; break;
  81     case OF_SHARE_DENY_READ:  *sharing = FILE_SHARE_WRITE; break;
  82     case OF_SHARE_DENY_NONE:
  83     case OF_SHARE_COMPAT:
  84     default:                  *sharing = FILE_SHARE_READ | FILE_SHARE_WRITE; break;
  85     }
  86 }
  87
  88
  89 #if 0
  90 /***********************************************************************
  91  *              FILE_ShareDeny
  92  *
  93  * PARAMS
  94  *       oldmode[I] mode how file was first opened
  95  *       mode[I] mode how the file should get opened
  96  * RETURNS
  97  *      TRUE: deny open
  98  *      FALSE: allow open
  99  *
 100  * Look what we have to do with the given SHARE modes
 101  *
 102  * Ralph Brown's interrupt list gives following explication, I guess
 103  * the same holds for Windows, DENY ALL should be OF_SHARE_COMPAT
 104  *
 105  * FIXME: Validate this function
 106 ========from Ralph Brown's list =========
 107 (Table 0750)
 108 Values of DOS file sharing behavior:
 109           |     Second and subsequent Opens
 110  First    |Compat  Deny   Deny   Deny   Deny
 111  Open     |        All    Write  Read   None
 112           |R W RW R W RW R W RW R W RW R W RW
 113  - - - - -| - - - - - - - - - - - - - - - - -
 114  Compat R |Y Y Y  N N N  1 N N  N N N  1 N N
 115         W |Y Y Y  N N N  N N N  N N N  N N N
 116         RW|Y Y Y  N N N  N N N  N N N  N N N
 117  - - - - -|
 118  Deny   R |C C C  N N N  N N N  N N N  N N N
 119  All    W |C C C  N N N  N N N  N N N  N N N
 120         RW|C C C  N N N  N N N  N N N  N N N
 121  - - - - -|
 122  Deny   R |2 C C  N N N  Y N N  N N N  Y N N
 123  Write  W |C C C  N N N  N N N  Y N N  Y N N
 124         RW|C C C  N N N  N N N  N N N  Y N N
 125  - - - - -|
 126  Deny   R |C C C  N N N  N Y N  N N N  N Y N
 127  Read   W |C C C  N N N  N N N  N Y N  N Y N
 128         RW|C C C  N N N  N N N  N N N  N Y N
 129  - - - - -|
 130  Deny   R |2 C C  N N N  Y Y Y  N N N  Y Y Y
 131  None   W |C C C  N N N  N N N  Y Y Y  Y Y Y
 132         RW|C C C  N N N  N N N  N N N  Y Y Y
 133 Legend: Y = open succeeds, N = open fails with error code 05h
 134         C = open fails, INT 24 generated
 135         1 = open succeeds if file read-only, else fails with error code
 136         2 = open succeeds if file read-only, else fails with INT 24
 137 ========end of description from Ralph Brown's List =====
 138         For every "Y" in the table we return FALSE
 139         For every "N" we set the DOS_ERROR and return TRUE
 140         For all other cases we barf,set the DOS_ERROR and return TRUE
 141
 142  */
 143 static BOOL FILE_ShareDeny( int mode, int oldmode)
 144 {
 145   int oldsharemode = oldmode & 0x70;
 146   int sharemode    =    mode & 0x70;
 147   int oldopenmode  = oldmode & 3;
 148   int openmode     =    mode & 3;
 149
 150   switch (oldsharemode)
 151     {
 152     case OF_SHARE_COMPAT:
 153       if (sharemode == OF_SHARE_COMPAT) return FALSE;
 154       if (openmode  == OF_READ) goto test_ro_err05;
 155       goto fail_error05;
 156     case OF_SHARE_EXCLUSIVE:
 157       if (sharemode == OF_SHARE_COMPAT) goto fail_int24;
 158       goto fail_error05;
 159     case OF_SHARE_DENY_WRITE:
 160       if (openmode  != OF_READ)
 161         {
 162           if (sharemode == OF_SHARE_COMPAT) goto fail_int24;
 163           goto fail_error05;
 164         }
 165       switch (sharemode)
 166         {
 167         case OF_SHARE_COMPAT:
 168           if (oldopenmode == OF_READ) goto test_ro_int24;
 169           goto fail_int24;
 170         case OF_SHARE_DENY_NONE:
 171           return FALSE;
 172         case OF_SHARE_DENY_WRITE:
 173           if (oldopenmode == OF_READ) return FALSE;
 174         case OF_SHARE_DENY_READ:
 175           if (oldopenmode == OF_WRITE) return FALSE;
 176         case OF_SHARE_EXCLUSIVE:
 177         default:
 178           goto fail_error05;
 179         }
 180       break;
 181     case OF_SHARE_DENY_READ:
 182       if (openmode  != OF_WRITE)
 183         {
 184           if (sharemode == OF_SHARE_COMPAT) goto fail_int24;
 185           goto fail_error05;
 186         }
 187       switch (sharemode)
 188         {
 189         case OF_SHARE_COMPAT:
 190           goto fail_int24;
 191         case OF_SHARE_DENY_NONE:
 192           return FALSE;
 193         case OF_SHARE_DENY_WRITE:
 194           if (oldopenmode == OF_READ) return FALSE;
 195         case OF_SHARE_DENY_READ:
 196           if (oldopenmode == OF_WRITE) return FALSE;
 197         case OF_SHARE_EXCLUSIVE:
 198         default:
 199           goto fail_error05;
 200         }
 201       break;
 202     case OF_SHARE_DENY_NONE:
 203       switch (sharemode)
 204         {
 205         case OF_SHARE_COMPAT:
 206           goto fail_int24;
 207         case OF_SHARE_DENY_NONE:
 208           return FALSE;
 209         case OF_SHARE_DENY_WRITE:
 210           if (oldopenmode == OF_READ) return FALSE;
 211         case OF_SHARE_DENY_READ:
 212           if (oldopenmode == OF_WRITE) return FALSE;
 213         case OF_SHARE_EXCLUSIVE:
 214         default:
 215           goto fail_error05;
 216         }
 217     default:
 218       ERR("unknown mode\n");
 219     }
 220   ERR("shouldn't happen\n");
 221   ERR("Please report to bon@elektron.ikp.physik.tu-darmstadt.de\n");
 222   return TRUE;
 223
 224 test_ro_int24:
 225   if (oldmode == OF_READ)
 226     return FALSE;
 227   /* Fall through */
 228 fail_int24:
 229   FIXME("generate INT24 missing\n");
 230   /* Is this the right error? */
 231   SetLastError( ERROR_ACCESS_DENIED );
 232   return TRUE;
 233
 234 test_ro_err05:
 235   if (oldmode == OF_READ)
 236     return FALSE;
 237   /* fall through */
 238 fail_error05:
 239   TRACE("Access Denied, oldmode 0x%02x mode 0x%02x\n",oldmode,mode);
 240   SetLastError( ERROR_ACCESS_DENIED );
 241   return TRUE;
 242 }
 243 #endif
 244
 245
 246 /***********************************************************************
 247  *           FILE_SetDosError
 248  *
 249  * Set the DOS error code from errno.
 250  */
 251 void FILE_SetDosError(void)
 252 {
 253     int save_errno = errno; /* errno gets overwritten by printf */
 254
 255     TRACE("errno = %d %s\n", errno, strerror(errno));
 256     switch (save_errno)
 257     {
 258     case EAGAIN:
 259         SetLastError( ERROR_SHARING_VIOLATION );
 260         break;
 261     case EBADF:
 262         SetLastError( ERROR_INVALID_HANDLE );
 263         break;
 264     case ENOSPC:
 265         SetLastError( ERROR_HANDLE_DISK_FULL );
 266         break;
 267     case EACCES:
 268     case EPERM:
 269     case EROFS:
 270         SetLastError( ERROR_ACCESS_DENIED );
 271         break;
 272     case EBUSY:
 273         SetLastError( ERROR_LOCK_VIOLATION );
 274         break;
 275     case ENOENT:
 276         SetLastError( ERROR_FILE_NOT_FOUND );
 277         break;
 278     case EISDIR:
 279         SetLastError( ERROR_CANNOT_MAKE );
 280         break;
 281     case ENFILE:
 282     case EMFILE:
 283         SetLastError( ERROR_NO_MORE_FILES );
 284         break;
 285     case EEXIST:
 286         SetLastError( ERROR_FILE_EXISTS );
 287         break;
 288     case EINVAL:
 289     case ESPIPE:
 290         SetLastError( ERROR_SEEK );
 291         break;
 292     case ENOTEMPTY:
 293         SetLastError( ERROR_DIR_NOT_EMPTY );
 294         break;
 295     case ENOEXEC:
 296         SetLastError( ERROR_BAD_FORMAT );
 297         break;
 298     default:
 299         WARN( "unknown file error: %s", strerror(save_errno) );
 300         SetLastError( ERROR_GEN_FAILURE );
 301         break;
 302     }
 303     errno = save_errno;
 304 }
 305
 306
 307 /***********************************************************************
 308  *           FILE_DupUnixHandle
 309  *
 310  * Duplicate a Unix handle into a task handle.
 311  */
 312 HFILE FILE_DupUnixHandle( int fd, DWORD access )
 313 {
 314     struct alloc_file_handle_request *req = get_req_buffer();
 315     req->access  = access;
 316     server_call_fd( REQ_ALLOC_FILE_HANDLE, fd, NULL );
 317     return req->handle;
 318 }
 319
 320
 321 /***********************************************************************
 322  *           FILE_GetUnixHandle
 323  *
 324  * Retrieve the Unix handle corresponding to a file handle.
 325  */
 326 int FILE_GetUnixHandle( HANDLE handle, DWORD access )
 327 {
 328     int unix_handle = -1;
 329     if (access == GENERIC_READ)
 330     {
 331         struct get_read_fd_request *req = get_req_buffer();
 332         req->handle = handle;
 333         server_call_fd( REQ_GET_READ_FD, -1, &unix_handle );
 334     }
 335     else if (access == GENERIC_WRITE)
 336     {
 337         struct get_write_fd_request *req = get_req_buffer();
 338         req->handle = handle;
 339         server_call_fd( REQ_GET_WRITE_FD, -1, &unix_handle );
 340     }
 341     else ERR( "bad access %08lx\n", access );
 342     return unix_handle;
 343 }
 344
 345
 346 /*************************************************************************
 347  *              FILE_OpenConsole
 348  *
 349  * Open a handle to the current process console.
 350  */
 351 static HANDLE FILE_OpenConsole( BOOL output, DWORD access, LPSECURITY_ATTRIBUTES sa )
 352 {
 353     int ret = -1;
 354
 355     SERVER_START_REQ
 356     {
 357         struct open_console_request *req = server_alloc_req( sizeof(*req), 0 );
 358
 359         req->output  = output;
 360         req->access  = access;
 361         req->inherit = (sa && (sa->nLength>=sizeof(*sa)) && sa->bInheritHandle);
 362         SetLastError(0);
 363         if (!server_call( REQ_OPEN_CONSOLE )) ret = req->handle;
 364     }
 365     SERVER_END_REQ;
 366     return ret;
 367 }
 368
 369
 370 /***********************************************************************
 371  *           FILE_CreateFile
 372  *
 373  * Implementation of CreateFile. Takes a Unix path name.
 374  */
 375 HANDLE FILE_CreateFile( LPCSTR filename, DWORD access, DWORD sharing,
 376                         LPSECURITY_ATTRIBUTES sa, DWORD creation,
 377                         DWORD attributes, HANDLE template, BOOL fail_read_only )
 378 {
 379     DWORD err;
 380     HANDLE ret;
 381     size_t len = strlen(filename);
 382
 383     if (len > REQUEST_MAX_VAR_SIZE)
 384     {
 385         FIXME("filename '%s' too long\n", filename );
 386         SetLastError( ERROR_INVALID_PARAMETER );
 387         return -1;
 388     }
 389
 390  restart:
 391     SERVER_START_REQ
 392     {
 393         struct create_file_request *req = server_alloc_req( sizeof(*req), len );
 394         req->access  = access;
 395         req->inherit = (sa && (sa->nLength>=sizeof(*sa)) && sa->bInheritHandle);
 396         req->sharing = sharing;
 397         req->create  = creation;
 398         req->attrs   = attributes;
 399         memcpy( server_data_ptr(req), filename, len );
 400         SetLastError(0);
 401         err = server_call( REQ_CREATE_FILE );
 402         ret = req->handle;
 403     }
 404     SERVER_END_REQ;
 405
 406     /* If write access failed, retry without GENERIC_WRITE */
 407
 408     if ((ret == -1) && !fail_read_only && (access & GENERIC_WRITE))
 409     {
 410         if ((err == STATUS_MEDIA_WRITE_PROTECTED) || (err == STATUS_ACCESS_DENIED))
 411         {
 412             TRACE("Write access failed for file '%s', trying without "
 413                   "write access\n", filename);
 414             access &= ~GENERIC_WRITE;
 415             goto restart;
 416         }
 417     }
 418
 419     if (ret == -1)
 420         WARN("Unable to create file '%s' (GLE %ld)\n", filename,
 421              GetLastError());
 422
 423     return ret;
 424 }
 425
 426
 427 /***********************************************************************
 428  *           FILE_CreateDevice
 429  *
 430  * Same as FILE_CreateFile but for a device
 431  */
 432 HFILE FILE_CreateDevice( int client_id, DWORD access, LPSECURITY_ATTRIBUTES sa )
 433 {
 434     HFILE ret;
 435     SERVER_START_REQ
 436     {
 437         struct create_device_request *req = server_alloc_req( sizeof(*req), 0 );
 438
 439         req->access  = access;
 440         req->inherit = (sa && (sa->nLength>=sizeof(*sa)) && sa->bInheritHandle);
 441         req->id      = client_id;
 442         SetLastError(0);
 443         server_call( REQ_CREATE_DEVICE );
 444         ret = req->handle;
 445     }
 446     SERVER_END_REQ;
 447     return ret;
 448 }
 449
 450
 451 /*************************************************************************
 452  * CreateFileA [KERNEL32.45]  Creates or opens a file or other object
 453  *
 454  * Creates or opens an object, and returns a handle that can be used to
 455  * access that object.
 456  *
 457  * PARAMS
 458  *
 459  * filename     [I] pointer to filename to be accessed
 460  * access       [I] access mode requested
 461  * sharing      [I] share mode
 462  * sa           [I] pointer to security attributes
 463  * creation     [I] how to create the file
 464  * attributes   [I] attributes for newly created file
 465  * template     [I] handle to file with extended attributes to copy
 466  *
 467  * RETURNS
 468  *   Success: Open handle to specified file
 469  *   Failure: INVALID_HANDLE_VALUE
 470  *
 471  * NOTES
 472  *  Should call SetLastError() on failure.
 473  *
 474  * BUGS
 475  *
 476  * Doesn't support character devices, pipes, template files, or a
 477  * lot of the 'attributes' flags yet.
 478  */
 479 HANDLE WINAPI CreateFileA( LPCSTR filename, DWORD access, DWORD sharing,
 480                               LPSECURITY_ATTRIBUTES sa, DWORD creation,
 481                               DWORD attributes, HANDLE template )
 482 {
 483     DOS_FULL_NAME full_name;
 484
 485     if (!filename)
 486     {
 487         SetLastError( ERROR_INVALID_PARAMETER );
 488         return HFILE_ERROR;
 489     }
 490     TRACE("%s %s%s%s%s%s%s%s\n",filename,
 491           ((access & GENERIC_READ)==GENERIC_READ)?"GENERIC_READ ":"",
 492           ((access & GENERIC_WRITE)==GENERIC_WRITE)?"GENERIC_WRITE ":"",
 493           (!access)?"QUERY_ACCESS ":"",
 494           ((sharing & FILE_SHARE_READ)==FILE_SHARE_READ)?"FILE_SHARE_READ ":"",
 495           ((sharing & FILE_SHARE_WRITE)==FILE_SHARE_WRITE)?"FILE_SHARE_WRITE ":"",
 496           ((sharing & FILE_SHARE_DELETE)==FILE_SHARE_DELETE)?"FILE_SHARE_DELETE ":"",
 497           (creation ==CREATE_NEW)?"CREATE_NEW":
 498           (creation ==CREATE_ALWAYS)?"CREATE_ALWAYS ":
 499           (creation ==OPEN_EXISTING)?"OPEN_EXISTING ":
 500           (creation ==OPEN_ALWAYS)?"OPEN_ALWAYS ":
 501           (creation ==TRUNCATE_EXISTING)?"TRUNCATE_EXISTING ":"");
 502
 503     /* If the name starts with '\\?\', ignore the first 4 chars. */
 504     if (!strncmp(filename, "\\\\?\\", 4))
 505     {
 506         filename += 4;
 507         if (!strncmp(filename, "UNC\\", 4))
 508         {
 509             FIXME("UNC name (%s) not supported.\n", filename );
 510             SetLastError( ERROR_PATH_NOT_FOUND );
 511             return HFILE_ERROR;
 512         }
 513     }
 514
 515     if (!strncmp(filename, "\\\\.\\", 4)) {
 516         if (!DOSFS_GetDevice( filename ))
 517                 return DEVICE_Open( filename+4, access, sa );
 518         else
 519                 filename+=4; /* fall into DOSFS_Device case below */
 520     }
 521
 522     /* If the name still starts with '\\', it's a UNC name. */
 523     if (!strncmp(filename, "\\\\", 2))
 524     {
 525         FIXME("UNC name (%s) not supported.\n", filename );
 526         SetLastError( ERROR_PATH_NOT_FOUND );
 527         return HFILE_ERROR;
 528     }
 529
 530     /* If the name contains a DOS wild card (* or ?), do no create a file */
 531     if(strchr(filename,'*') || strchr(filename,'?'))
 532         return HFILE_ERROR;
 533
 534     /* Open a console for CONIN$ or CONOUT$ */
 535     if (!strcasecmp(filename, "CONIN$")) return FILE_OpenConsole( FALSE, access, sa );
 536     if (!strcasecmp(filename, "CONOUT$")) return FILE_OpenConsole( TRUE, access, sa );
 537
 538     if (DOSFS_GetDevice( filename ))
 539     {
 540         HFILE   ret;
 541
 542         TRACE("opening device '%s'\n", filename );
 543
 544         if (HFILE_ERROR!=(ret=DOSFS_OpenDevice( filename, access )))
 545                 return ret;
 546
 547         /* Do not silence this please. It is a critical error. -MM */
 548         ERR("Couldn't open device '%s'!\n",filename);
 549         SetLastError( ERROR_FILE_NOT_FOUND );
 550         return HFILE_ERROR;
 551     }
 552
 553     /* check for filename, don't check for last entry if creating */
 554     if (!DOSFS_GetFullName( filename,
 555                             (creation == OPEN_EXISTING) ||
 556                             (creation == TRUNCATE_EXISTING),
 557                             &full_name )) {
 558         WARN("Unable to get full filename from '%s' (GLE %ld)\n",
 559              filename, GetLastError());
 560         return HFILE_ERROR;
 561     }
 562
 563     return FILE_CreateFile( full_name.long_name, access, sharing,
 564                             sa, creation, attributes, template,
 565                             DRIVE_GetFlags(full_name.drive) & DRIVE_FAIL_READ_ONLY );
 566 }
 567
 568
 569
 570 /*************************************************************************
 571  *              CreateFileW              (KERNEL32.48)
 572  */
 573 HANDLE WINAPI CreateFileW( LPCWSTR filename, DWORD access, DWORD sharing,
 574                               LPSECURITY_ATTRIBUTES sa, DWORD creation,
 575                               DWORD attributes, HANDLE template)
 576 {
 577     LPSTR afn = HEAP_strdupWtoA( GetProcessHeap(), 0, filename );
 578     HANDLE res = CreateFileA( afn, access, sharing, sa, creation, attributes, template );
 579     HeapFree( GetProcessHeap(), 0, afn );
 580     return res;
 581 }
 582
 583
 584 /***********************************************************************
 585  *           FILE_FillInfo
 586  *
 587  * Fill a file information from a struct stat.
 588  */
 589 static void FILE_FillInfo( struct stat *st, BY_HANDLE_FILE_INFORMATION *info )
 590 {
 591     if (S_ISDIR(st->st_mode))
 592         info->dwFileAttributes = FILE_ATTRIBUTE_DIRECTORY;
 593     else
 594         info->dwFileAttributes = FILE_ATTRIBUTE_ARCHIVE;
 595     if (!(st->st_mode & S_IWUSR))
 596         info->dwFileAttributes |= FILE_ATTRIBUTE_READONLY;
 597
 598     RtlSecondsSince1970ToTime( st->st_mtime, &info->ftCreationTime );
 599     RtlSecondsSince1970ToTime( st->st_mtime, &info->ftLastWriteTime );
 600     RtlSecondsSince1970ToTime( st->st_atime, &info->ftLastAccessTime );
 601
 602     info->dwVolumeSerialNumber = 0;  /* FIXME */
 603     info->nFileSizeHigh = 0;
 604     info->nFileSizeLow  = S_ISDIR(st->st_mode) ? 0 : st->st_size;
 605     info->nNumberOfLinks = st->st_nlink;
 606     info->nFileIndexHigh = 0;
 607     info->nFileIndexLow  = st->st_ino;
 608 }
 609
 610
 611 /***********************************************************************
 612  *           FILE_Stat
 613  *
 614  * Stat a Unix path name. Return TRUE if OK.
 615  */
 616 BOOL FILE_Stat( LPCSTR unixName, BY_HANDLE_FILE_INFORMATION *info )
 617 {
 618     struct stat st;
 619
 620     if (lstat( unixName, &st ) == -1)
 621     {
 622         FILE_SetDosError();
 623         return FALSE;
 624     }
 625     if (!S_ISLNK(st.st_mode)) FILE_FillInfo( &st, info );
 626     else
 627     {
 628         /* do a "real" stat to find out
 629            about the type of the symlink destination */
 630         if (stat( unixName, &st ) == -1)
 631         {
 632             FILE_SetDosError();
 633             return FALSE;
 634         }
 635         FILE_FillInfo( &st, info );
 636         info->dwFileAttributes |= FILE_ATTRIBUTE_SYMLINK;
 637     }
 638     return TRUE;
 639 }
 640
 641
 642 /***********************************************************************
 643  *             GetFileInformationByHandle   (KERNEL32.219)
 644  */
 645 DWORD WINAPI GetFileInformationByHandle( HANDLE hFile,
 646                                          BY_HANDLE_FILE_INFORMATION *info )
 647 {
 648     DWORD ret;
 649     if (!info) return 0;
 650
 651     SERVER_START_REQ
 652     {
 653         struct get_file_info_request *req = server_alloc_req( sizeof(*req), 0 );
 654         req->handle = hFile;
 655         if ((ret = !server_call( REQ_GET_FILE_INFO )))
 656         {
 657             RtlSecondsSince1970ToTime( req->write_time, &info->ftCreationTime );
 658             RtlSecondsSince1970ToTime( req->write_time, &info->ftLastWriteTime );
 659             RtlSecondsSince1970ToTime( req->access_time, &info->ftLastAccessTime );
 660             info->dwFileAttributes     = req->attr;
 661             info->dwVolumeSerialNumber = req->serial;
 662             info->nFileSizeHigh        = req->size_high;
 663             info->nFileSizeLow         = req->size_low;
 664             info->nNumberOfLinks       = req->links;
 665             info->nFileIndexHigh       = req->index_high;
 666             info->nFileIndexLow        = req->index_low;
 667         }
 668     }
 669     SERVER_END_REQ;
 670     return ret;
 671 }
 672
 673
 674 /**************************************************************************
 675  *           GetFileAttributes16   (KERNEL.420)
 676  */
 677 DWORD WINAPI GetFileAttributes16( LPCSTR name )
 678 {
 679     return GetFileAttributesA( name );
 680 }
 681
 682
 683 /**************************************************************************
 684  *           GetFileAttributesA   (KERNEL32.217)
 685  */
 686 DWORD WINAPI GetFileAttributesA( LPCSTR name )
 687 {
 688     DOS_FULL_NAME full_name;
 689     BY_HANDLE_FILE_INFORMATION info;
 690
 691     if (name == NULL || *name=='\0') return -1;
 692
 693     if (!DOSFS_GetFullName( name, TRUE, &full_name )) return -1;
 694     if (!FILE_Stat( full_name.long_name, &info )) return -1;
 695     return info.dwFileAttributes;
 696 }
 697
 698
 699 /**************************************************************************
 700  *           GetFileAttributesW   (KERNEL32.218)
 701  */
 702 DWORD WINAPI GetFileAttributesW( LPCWSTR name )
 703 {
 704     LPSTR nameA = HEAP_strdupWtoA( GetProcessHeap(), 0, name );
 705     DWORD res = GetFileAttributesA( nameA );
 706     HeapFree( GetProcessHeap(), 0, nameA );
 707     return res;
 708 }
 709
 710
 711 /***********************************************************************
 712  *           GetFileSize   (KERNEL32.220)
 713  */
 714 DWORD WINAPI GetFileSize( HANDLE hFile, LPDWORD filesizehigh )
 715 {
 716     BY_HANDLE_FILE_INFORMATION info;
 717     if (!GetFileInformationByHandle( hFile, &info )) return 0;
 718     if (filesizehigh) *filesizehigh = info.nFileSizeHigh;
 719     return info.nFileSizeLow;
 720 }
 721
 722
 723 /***********************************************************************
 724  *           GetFileTime   (KERNEL32.221)
 725  */
 726 BOOL WINAPI GetFileTime( HANDLE hFile, FILETIME *lpCreationTime,
 727                            FILETIME *lpLastAccessTime,
 728                            FILETIME *lpLastWriteTime )
 729 {
 730     BY_HANDLE_FILE_INFORMATION info;
 731     if (!GetFileInformationByHandle( hFile, &info )) return FALSE;
 732     if (lpCreationTime)   *lpCreationTime   = info.ftCreationTime;
 733     if (lpLastAccessTime) *lpLastAccessTime = info.ftLastAccessTime;
 734     if (lpLastWriteTime)  *lpLastWriteTime  = info.ftLastWriteTime;
 735     return TRUE;
 736 }
 737
 738 /***********************************************************************
 739  *           CompareFileTime   (KERNEL32.28)
 740  */
 741 INT WINAPI CompareFileTime( LPFILETIME x, LPFILETIME y )
 742 {
 743         if (!x || !y) return -1;
 744
 745         if (x->dwHighDateTime > y->dwHighDateTime)
 746                 return 1;
 747         if (x->dwHighDateTime < y->dwHighDateTime)
 748                 return -1;
 749         if (x->dwLowDateTime > y->dwLowDateTime)
 750                 return 1;
 751         if (x->dwLowDateTime < y->dwLowDateTime)
 752                 return -1;
 753         return 0;
 754 }
 755
 756 /***********************************************************************
 757  *           FILE_GetTempFileName : utility for GetTempFileName
 758  */
 759 static UINT FILE_GetTempFileName( LPCSTR path, LPCSTR prefix, UINT unique,
 760                                   LPSTR buffer, BOOL isWin16 )
 761 {
 762     static UINT unique_temp;
 763     DOS_FULL_NAME full_name;
 764     int i;
 765     LPSTR p;
 766     UINT num;
 767
 768     if ( !path || !prefix || !buffer ) return 0;
 769
 770     if (!unique_temp) unique_temp = time(NULL) & 0xffff;
 771     num = unique ? (unique & 0xffff) : (unique_temp++ & 0xffff);
 772
 773     strcpy( buffer, path );
 774     p = buffer + strlen(buffer);
 775
 776     /* add a \, if there isn't one and path is more than just the drive letter ... */
 777     if ( !((strlen(buffer) == 2) && (buffer[1] == ':'))
 778         && ((p == buffer) || (p[-1] != '\\'))) *p++ = '\\';
 779
 780     if (isWin16) *p++ = '~';
 781     for (i = 3; (i > 0) && (*prefix); i--) *p++ = *prefix++;
 782     sprintf( p, "%04x.tmp", num );
 783
 784     /* Now try to create it */
 785
 786     if (!unique)
 787     {
 788         do
 789         {
 790             HFILE handle = CreateFileA( buffer, GENERIC_WRITE, 0, NULL,
 791                                             CREATE_NEW, FILE_ATTRIBUTE_NORMAL, -1 );
 792             if (handle != INVALID_HANDLE_VALUE)
 793             {  /* We created it */
 794                 TRACE("created %s\n",
 795                               buffer);
 796                 CloseHandle( handle );
 797                 break;
 798             }
 799             if (GetLastError() != ERROR_FILE_EXISTS)
 800                 break;  /* No need to go on */
 801             num++;
 802             sprintf( p, "%04x.tmp", num );
 803         } while (num != (unique & 0xffff));
 804     }
 805
 806     /* Get the full path name */
 807
 808     if (DOSFS_GetFullName( buffer, FALSE, &full_name ))
 809     {
 810         /* Check if we have write access in the directory */
 811         if ((p = strrchr( full_name.long_name, '/' ))) *p = '\0';
 812         if (access( full_name.long_name, W_OK ) == -1)
 813             WARN("returns '%s', which doesn't seem to be writeable.\n",
 814                  buffer);
 815     }
 816     TRACE("returning %s\n", buffer );
 817     return unique ? unique : num;
 818 }
 819
 820
 821 /***********************************************************************
 822  *           GetTempFileNameA   (KERNEL32.290)
 823  */
 824 UINT WINAPI GetTempFileNameA( LPCSTR path, LPCSTR prefix, UINT unique,
 825                                   LPSTR buffer)
 826 {
 827     return FILE_GetTempFileName(path, prefix, unique, buffer, FALSE);
 828 }
 829
 830 /***********************************************************************
 831  *           GetTempFileNameW   (KERNEL32.291)
 832  */
 833 UINT WINAPI GetTempFileNameW( LPCWSTR path, LPCWSTR prefix, UINT unique,
 834                                   LPWSTR buffer )
 835 {
 836     LPSTR   patha,prefixa;
 837     char    buffera[144];
 838     UINT  ret;
 839
 840     if (!path) return 0;
 841     patha   = HEAP_strdupWtoA( GetProcessHeap(), 0, path );
 842     prefixa = HEAP_strdupWtoA( GetProcessHeap(), 0, prefix );
 843     ret     = FILE_GetTempFileName( patha, prefixa, unique, buffera, FALSE );
 844     lstrcpyAtoW( buffer, buffera );
 845     HeapFree( GetProcessHeap(), 0, patha );
 846     HeapFree( GetProcessHeap(), 0, prefixa );
 847     return ret;
 848 }
 849
 850
 851 /***********************************************************************
 852  *           GetTempFileName16   (KERNEL.97)
 853  */
 854 UINT16 WINAPI GetTempFileName16( BYTE drive, LPCSTR prefix, UINT16 unique,
 855                                  LPSTR buffer )
 856 {
 857     char temppath[144];
 858
 859     if (!(drive & ~TF_FORCEDRIVE)) /* drive 0 means current default drive */
 860         drive |= DRIVE_GetCurrentDrive() + 'A';
 861
 862     if ((drive & TF_FORCEDRIVE) &&
 863         !DRIVE_IsValid( toupper(drive & ~TF_FORCEDRIVE) - 'A' ))
 864     {
 865         drive &= ~TF_FORCEDRIVE;
 866         WARN("invalid drive %d specified\n", drive );
 867     }
 868
 869     if (drive & TF_FORCEDRIVE)
 870         sprintf(temppath,"%c:", drive & ~TF_FORCEDRIVE );
 871     else
 872         GetTempPathA( 132, temppath );
 873     return (UINT16)FILE_GetTempFileName( temppath, prefix, unique, buffer, TRUE );
 874 }
 875
 876 /***********************************************************************
 877  *           FILE_DoOpenFile
 878  *
 879  * Implementation of OpenFile16() and OpenFile32().
 880  */
 881 static HFILE FILE_DoOpenFile( LPCSTR name, OFSTRUCT *ofs, UINT mode,
 882                                 BOOL win32 )
 883 {
 884     HFILE hFileRet;
 885     FILETIME filetime;
 886     WORD filedatetime[2];
 887     DOS_FULL_NAME full_name;
 888     DWORD access, sharing;
 889     char *p;
 890
 891     if (!ofs) return HFILE_ERROR;
 892
 893     TRACE("%s %s %s %s%s%s%s%s%s%s%s%s\n",name,
 894           ((mode & 0x3 )==OF_READ)?"OF_READ":
 895           ((mode & 0x3 )==OF_WRITE)?"OF_WRITE":
 896           ((mode & 0x3 )==OF_READWRITE)?"OF_READWRITE":"unknown",
 897           ((mode & 0x70 )==OF_SHARE_COMPAT)?"OF_SHARE_COMPAT":
 898           ((mode & 0x70 )==OF_SHARE_DENY_NONE)?"OF_SHARE_DENY_NONE":
 899           ((mode & 0x70 )==OF_SHARE_DENY_READ)?"OF_SHARE_DENY_READ":
 900           ((mode & 0x70 )==OF_SHARE_DENY_WRITE)?"OF_SHARE_DENY_WRITE":
 901           ((mode & 0x70 )==OF_SHARE_EXCLUSIVE)?"OF_SHARE_EXCLUSIVE":"unknown",
 902           ((mode & OF_PARSE )==OF_PARSE)?"OF_PARSE ":"",
 903           ((mode & OF_DELETE )==OF_DELETE)?"OF_DELETE ":"",
 904           ((mode & OF_VERIFY )==OF_VERIFY)?"OF_VERIFY ":"",
 905           ((mode & OF_SEARCH )==OF_SEARCH)?"OF_SEARCH ":"",
 906           ((mode & OF_CANCEL )==OF_CANCEL)?"OF_CANCEL ":"",
 907           ((mode & OF_CREATE )==OF_CREATE)?"OF_CREATE ":"",
 908           ((mode & OF_PROMPT )==OF_PROMPT)?"OF_PROMPT ":"",
 909           ((mode & OF_EXIST )==OF_EXIST)?"OF_EXIST ":"",
 910           ((mode & OF_REOPEN )==OF_REOPEN)?"OF_REOPEN ":""
 911           );
 912
 913
 914     ofs->cBytes = sizeof(OFSTRUCT);
 915     ofs->nErrCode = 0;
 916     if (mode & OF_REOPEN) name = ofs->szPathName;
 917
 918     if (!name) {
 919         ERR("called with `name' set to NULL ! Please debug.\n");
 920         return HFILE_ERROR;
 921     }
 922
 923     TRACE("%s %04x\n", name, mode );
 924
 925     /* the watcom 10.6 IDE relies on a valid path returned in ofs->szPathName
 926        Are there any cases where getting the path here is wrong?
 927        Uwe Bonnes 1997 Apr 2 */
 928     if (!GetFullPathNameA( name, sizeof(ofs->szPathName),
 929                              ofs->szPathName, NULL )) goto error;
 930     FILE_ConvertOFMode( mode, &access, &sharing );
 931
 932     /* OF_PARSE simply fills the structure */
 933
 934     if (mode & OF_PARSE)
 935     {
 936         ofs->fFixedDisk = (GetDriveType16( ofs->szPathName[0]-'A' )
 937                            != DRIVE_REMOVABLE);
 938         TRACE("(%s): OF_PARSE, res = '%s'\n",
 939                       name, ofs->szPathName );
 940         return 0;
 941     }
 942
 943     /* OF_CREATE is completely different from all other options, so
 944        handle it first */
 945
 946     if (mode & OF_CREATE)
 947     {
 948         if ((hFileRet = CreateFileA( name, GENERIC_READ | GENERIC_WRITE,
 949                                        sharing, NULL, CREATE_ALWAYS,
 950                                        FILE_ATTRIBUTE_NORMAL, -1 ))== INVALID_HANDLE_VALUE)
 951             goto error;
 952         goto success;
 953     }
 954
 955     /* If OF_SEARCH is set, ignore the given path */
 956
 957     if ((mode & OF_SEARCH) && !(mode & OF_REOPEN))
 958     {
 959         /* First try the file name as is */
 960         if (DOSFS_GetFullName( name, TRUE, &full_name )) goto found;
 961         /* Now remove the path */
 962         if (name[0] && (name[1] == ':')) name += 2;
 963         if ((p = strrchr( name, '\\' ))) name = p + 1;
 964         if ((p = strrchr( name, '/' ))) name = p + 1;
 965         if (!name[0]) goto not_found;
 966     }
 967
 968     /* Now look for the file */
 969
 970     if (!DIR_SearchPath( NULL, name, NULL, &full_name, win32 )) goto not_found;
 971
 972 found:
 973     TRACE("found %s = %s\n",
 974                   full_name.long_name, full_name.short_name );
 975     lstrcpynA( ofs->szPathName, full_name.short_name,
 976                  sizeof(ofs->szPathName) );
 977
 978     if (mode & OF_SHARE_EXCLUSIVE)
 979       /* Some InstallShield version uses OF_SHARE_EXCLUSIVE
 980          on the file <tempdir>/_ins0432._mp to determine how
 981          far installation has proceeded.
 982          _ins0432._mp is an executable and while running the
 983          application expects the open with OF_SHARE_ to fail*/
 984       /* Probable FIXME:
 985          As our loader closes the files after loading the executable,
 986          we can't find the running executable with FILE_InUse.
 987          Perhaps the loader should keep the file open.
 988          Recheck against how Win handles that case */
 989       {
 990         char *last = strrchr(full_name.long_name,'/');
 991         if (!last)
 992           last = full_name.long_name - 1;
 993         if (GetModuleHandle16(last+1))
 994           {
 995             TRACE("Denying shared open for %s\n",full_name.long_name);
 996             return HFILE_ERROR;
 997           }
 998       }
 999
1000     if (mode & OF_DELETE)
1001     {
1002         if (unlink( full_name.long_name ) == -1) goto not_found;
1003         TRACE("(%s): OF_DELETE return = OK\n", name);
1004         return 1;
1005     }
1006
1007     hFileRet = FILE_CreateFile( full_name.long_name, access, sharing,
1008                                 NULL, OPEN_EXISTING, 0, -1,
1009                                 DRIVE_GetFlags(full_name.drive) & DRIVE_FAIL_READ_ONLY );
1010     if (hFileRet == HFILE_ERROR) goto not_found;
1011
1012     GetFileTime( hFileRet, NULL, NULL, &filetime );
1013     FileTimeToDosDateTime( &filetime, &filedatetime[0], &filedatetime[1] );
1014     if ((mode & OF_VERIFY) && (mode & OF_REOPEN))
1015     {
1016         if (memcmp( ofs->reserved, filedatetime, sizeof(ofs->reserved) ))
1017         {
1018             CloseHandle( hFileRet );
1019             WARN("(%s): OF_VERIFY failed\n", name );
1020             /* FIXME: what error here? */
1021             SetLastError( ERROR_FILE_NOT_FOUND );
1022             goto error;
1023         }
1024     }
1025     memcpy( ofs->reserved, filedatetime, sizeof(ofs->reserved) );
1026
1027 success:  /* We get here if the open was successful */
1028     TRACE("(%s): OK, return = %d\n", name, hFileRet );
1029     if (win32)
1030     {
1031         if (mode & OF_EXIST) /* Return the handle, but close it first */
1032             CloseHandle( hFileRet );
1033     }
1034     else
1035     {
1036         hFileRet = Win32HandleToDosFileHandle( hFileRet );
1037         if (hFileRet == HFILE_ERROR16) goto error;
1038         if (mode & OF_EXIST) /* Return the handle, but close it first */
1039             _lclose16( hFileRet );
1040     }
1041     return hFileRet;
1042
1043 not_found:  /* We get here if the file does not exist */
1044     WARN("'%s' not found or sharing violation\n", name );
1045     SetLastError( ERROR_FILE_NOT_FOUND );
1046     /* fall through */
1047
1048 error:  /* We get here if there was an error opening the file */
1049     ofs->nErrCode = GetLastError();
1050     WARN("(%s): return = HFILE_ERROR error= %d\n",
1051                   name,ofs->nErrCode );
1052     return HFILE_ERROR;
1053 }
1054
1055
1056 /***********************************************************************
1057  *           OpenFile16   (KERNEL.74)
1058  */
1059 HFILE16 WINAPI OpenFile16( LPCSTR name, OFSTRUCT *ofs, UINT16 mode )
1060 {
1061     return FILE_DoOpenFile( name, ofs, mode, FALSE );
1062 }
1063
1064
1065 /***********************************************************************
1066  *           OpenFile   (KERNEL32.396)
1067  */
1068 HFILE WINAPI OpenFile( LPCSTR name, OFSTRUCT *ofs, UINT mode )
1069 {
1070     return FILE_DoOpenFile( name, ofs, mode, TRUE );
1071 }
1072
1073
1074 /***********************************************************************
1075  *           FILE_InitProcessDosHandles
1076  *
1077  * Allocates the default DOS handles for a process. Called either by
1078  * Win32HandleToDosFileHandle below or by the DOSVM stuff.
1079  */
1080 static void FILE_InitProcessDosHandles( void )
1081 {
1082     dos_handles[0] = GetStdHandle(STD_INPUT_HANDLE);
1083     dos_handles[1] = GetStdHandle(STD_OUTPUT_HANDLE);
1084     dos_handles[2] = GetStdHandle(STD_ERROR_HANDLE);
1085     dos_handles[3] = GetStdHandle(STD_ERROR_HANDLE);
1086     dos_handles[4] = GetStdHandle(STD_ERROR_HANDLE);
1087 }
1088
1089 /***********************************************************************
1090  *           Win32HandleToDosFileHandle   (KERNEL32.21)
1091  *
1092  * Allocate a DOS handle for a Win32 handle. The Win32 handle is no
1093  * longer valid after this function (even on failure).
1094  *
1095  * Note: this is not exactly right, since on Win95 the Win32 handles
1096  *       are on top of DOS handles and we do it the other way
1097  *       around. Should be good enough though.
1098  */
1099 HFILE WINAPI Win32HandleToDosFileHandle( HANDLE handle )
1100 {
1101     int i;
1102
1103     if (!handle || (handle == INVALID_HANDLE_VALUE))
1104         return HFILE_ERROR;
1105
1106     for (i = 5; i < DOS_TABLE_SIZE; i++)
1107         if (!dos_handles[i])
1108         {
1109             dos_handles[i] = handle;
1110             TRACE("Got %d for h32 %d\n", i, handle );
1111             return (HFILE)i;
1112         }
1113     CloseHandle( handle );
1114     SetLastError( ERROR_TOO_MANY_OPEN_FILES );
1115     return HFILE_ERROR;
1116 }
1117
1118
1119 /***********************************************************************
1120  *           DosFileHandleToWin32Handle   (KERNEL32.20)
1121  *
1122  * Return the Win32 handle for a DOS handle.
1123  *
1124  * Note: this is not exactly right, since on Win95 the Win32 handles
1125  *       are on top of DOS handles and we do it the other way
1126  *       around. Should be good enough though.
1127  */
1128 HANDLE WINAPI DosFileHandleToWin32Handle( HFILE handle )
1129 {
1130     HFILE16 hfile = (HFILE16)handle;
1131     if (hfile < 5 && !dos_handles[hfile]) FILE_InitProcessDosHandles();
1132     if ((hfile >= DOS_TABLE_SIZE) || !dos_handles[hfile])
1133     {
1134         SetLastError( ERROR_INVALID_HANDLE );
1135         return INVALID_HANDLE_VALUE;
1136     }
1137     return dos_handles[hfile];
1138 }
1139
1140
1141 /***********************************************************************
1142  *           DisposeLZ32Handle   (KERNEL32.22)
1143  *
1144  * Note: this is not entirely correct, we should only close the
1145  *       32-bit handle and not the 16-bit one, but we cannot do
1146  *       this because of the way our DOS handles are implemented.
1147  *       It shouldn't break anything though.
1148  */
1149 void WINAPI DisposeLZ32Handle( HANDLE handle )
1150 {
1151     int i;
1152
1153     if (!handle || (handle == INVALID_HANDLE_VALUE)) return;
1154
1155     for (i = 5; i < DOS_TABLE_SIZE; i++)
1156         if (dos_handles[i] == handle)
1157         {
1158             dos_handles[i] = 0;
1159             CloseHandle( handle );
1160             break;
1161         }
1162 }
1163
1164
1165 /***********************************************************************
1166  *           FILE_Dup2
1167  *
1168  * dup2() function for DOS handles.
1169  */
1170 HFILE16 FILE_Dup2( HFILE16 hFile1, HFILE16 hFile2 )
1171 {
1172     HANDLE new_handle;
1173
1174     if (hFile1 < 5 && !dos_handles[hFile1]) FILE_InitProcessDosHandles();
1175
1176     if ((hFile1 >= DOS_TABLE_SIZE) || (hFile2 >= DOS_TABLE_SIZE) || !dos_handles[hFile1])
1177     {
1178         SetLastError( ERROR_INVALID_HANDLE );
1179         return HFILE_ERROR16;
1180     }
1181     if (hFile2 < 5)
1182     {
1183         FIXME("stdio handle closed, need proper conversion\n" );
1184         SetLastError( ERROR_INVALID_HANDLE );
1185         return HFILE_ERROR16;
1186     }
1187     if (!DuplicateHandle( GetCurrentProcess(), dos_handles[hFile1],
1188                           GetCurrentProcess(), &new_handle,
1189                           0, FALSE, DUPLICATE_SAME_ACCESS ))
1190         return HFILE_ERROR16;
1191     if (dos_handles[hFile2]) CloseHandle( dos_handles[hFile2] );
1192     dos_handles[hFile2] = new_handle;
1193     return hFile2;
1194 }
1195
1196
1197 /***********************************************************************
1198  *           _lclose16   (KERNEL.81)
1199  */
1200 HFILE16 WINAPI _lclose16( HFILE16 hFile )
1201 {
1202     if (hFile < 5)
1203     {
1204         FIXME("stdio handle closed, need proper conversion\n" );
1205         SetLastError( ERROR_INVALID_HANDLE );
1206         return HFILE_ERROR16;
1207     }
1208     if ((hFile >= DOS_TABLE_SIZE) || !dos_handles[hFile])
1209     {
1210         SetLastError( ERROR_INVALID_HANDLE );
1211         return HFILE_ERROR16;
1212     }
1213     TRACE("%d (handle32=%d)\n", hFile, dos_handles[hFile] );
1214     CloseHandle( dos_handles[hFile] );
1215     dos_handles[hFile] = 0;
1216     return 0;
1217 }
1218
1219
1220 /***********************************************************************
1221  *           _lclose   (KERNEL32.592)
1222  */
1223 HFILE WINAPI _lclose( HFILE hFile )
1224 {
1225     TRACE("handle %d\n", hFile );
1226     return CloseHandle( hFile ) ? 0 : HFILE_ERROR;
1227 }
1228
1229 /***********************************************************************
1230  *              GetOverlappedResult     (KERNEL32.360)
1231  */
1232 BOOL WINAPI GetOverlappedResult(HANDLE hFile,LPOVERLAPPED lpOverlapped,
1233                                 LPDWORD lpNumberOfBytesTransferred,
1234                                 BOOL bWait)
1235 {
1236     /* Since all i/o is currently synchronous,
1237      * return true, assuming ReadFile/WriteFile
1238      * have completed the operation */
1239     FIXME("NO Asynch I/O, assuming Read/Write succeeded\n" );
1240     return TRUE;
1241 }
1242
1243 /***********************************************************************
1244  *              ReadFile                (KERNEL32.428)
1245  */
1246 BOOL WINAPI ReadFile( HANDLE hFile, LPVOID buffer, DWORD bytesToRead,
1247                         LPDWORD bytesRead, LPOVERLAPPED overlapped )
1248 {
1249     int unix_handle, result;
1250
1251     TRACE("%d %p %ld\n", hFile, buffer, bytesToRead );
1252
1253     if (bytesRead) *bytesRead = 0;  /* Do this before anything else */
1254     if (!bytesToRead) return TRUE;
1255
1256     if ( overlapped ) {
1257       SetLastError ( ERROR_INVALID_PARAMETER );
1258       return FALSE;
1259     }
1260
1261     unix_handle = FILE_GetUnixHandle( hFile, GENERIC_READ );
1262     if (unix_handle == -1) return FALSE;
1263     while ((result = read( unix_handle, buffer, bytesToRead )) == -1)
1264     {
1265         if ((errno == EAGAIN) || (errno == EINTR)) continue;
1266         if ((errno == EFAULT) && !VIRTUAL_HandleFault( buffer )) continue;
1267         FILE_SetDosError();
1268         break;
1269     }
1270     close( unix_handle );
1271     if (result == -1) return FALSE;
1272     if (bytesRead) *bytesRead = result;
1273     return TRUE;
1274 }
1275
1276
1277 /***********************************************************************
1278  *             WriteFile               (KERNEL32.578)
1279  */
1280 BOOL WINAPI WriteFile( HANDLE hFile, LPCVOID buffer, DWORD bytesToWrite,
1281                          LPDWORD bytesWritten, LPOVERLAPPED overlapped )
1282 {
1283     int unix_handle, result;
1284
1285     TRACE("%d %p %ld\n", hFile, buffer, bytesToWrite );
1286
1287     if (bytesWritten) *bytesWritten = 0;  /* Do this before anything else */
1288     if (!bytesToWrite) return TRUE;
1289
1290     if ( overlapped ) {
1291       SetLastError ( ERROR_INVALID_PARAMETER );
1292       return FALSE;
1293     }
1294
1295     unix_handle = FILE_GetUnixHandle( hFile, GENERIC_WRITE );
1296     if (unix_handle == -1) return FALSE;
1297     while ((result = write( unix_handle, buffer, bytesToWrite )) == -1)
1298     {
1299         if ((errno == EAGAIN) || (errno == EINTR)) continue;
1300         if ((errno == EFAULT) && !VIRTUAL_HandleFault( buffer )) continue;
1301         if (errno == ENOSPC)
1302             SetLastError( ERROR_DISK_FULL );
1303         else
1304         FILE_SetDosError();
1305         break;
1306     }
1307     close( unix_handle );
1308     if (result == -1) return FALSE;
1309     if (bytesWritten) *bytesWritten = result;
1310     return TRUE;
1311 }
1312
1313
1314 /***********************************************************************
1315  *           WIN16_hread
1316  */
1317 LONG WINAPI WIN16_hread( HFILE16 hFile, SEGPTR buffer, LONG count )
1318 {
1319     LONG maxlen;
1320
1321     TRACE("%d %08lx %ld\n",
1322                   hFile, (DWORD)buffer, count );
1323
1324     /* Some programs pass a count larger than the allocated buffer */
1325     maxlen = GetSelectorLimit16( SELECTOROF(buffer) ) - OFFSETOF(buffer) + 1;
1326     if (count > maxlen) count = maxlen;
1327     return _lread(DosFileHandleToWin32Handle(hFile), PTR_SEG_TO_LIN(buffer), count );
1328 }
1329
1330
1331 /***********************************************************************
1332  *           WIN16_lread
1333  */
1334 UINT16 WINAPI WIN16_lread( HFILE16 hFile, SEGPTR buffer, UINT16 count )
1335 {
1336     return (UINT16)WIN16_hread( hFile, buffer, (LONG)count );
1337 }
1338
1339
1340 /***********************************************************************
1341  *           _lread   (KERNEL32.596)
1342  */
1343 UINT WINAPI _lread( HFILE handle, LPVOID buffer, UINT count )
1344 {
1345     DWORD result;
1346     if (!ReadFile( handle, buffer, count, &result, NULL )) return -1;
1347     return result;
1348 }
1349
1350
1351 /***********************************************************************
1352  *           _lread16   (KERNEL.82)
1353  */
1354 UINT16 WINAPI _lread16( HFILE16 hFile, LPVOID buffer, UINT16 count )
1355 {
1356     return (UINT16)_lread(DosFileHandleToWin32Handle(hFile), buffer, (LONG)count );
1357 }
1358
1359
1360 /***********************************************************************
1361  *           _lcreat16   (KERNEL.83)
1362  */
1363 HFILE16 WINAPI _lcreat16( LPCSTR path, INT16 attr )
1364 {
1365     return Win32HandleToDosFileHandle( _lcreat( path, attr ) );
1366 }
1367
1368
1369 /***********************************************************************
1370  *           _lcreat   (KERNEL32.593)
1371  */
1372 HFILE WINAPI _lcreat( LPCSTR path, INT attr )
1373 {
1374     /* Mask off all flags not explicitly allowed by the doc */
1375     attr &= FILE_ATTRIBUTE_READONLY | FILE_ATTRIBUTE_HIDDEN | FILE_ATTRIBUTE_SYSTEM;
1376     TRACE("%s %02x\n", path, attr );
1377     return CreateFileA( path, GENERIC_READ | GENERIC_WRITE,
1378                         FILE_SHARE_READ | FILE_SHARE_WRITE, NULL,
1379                         CREATE_ALWAYS, attr, -1 );
1380 }
1381
1382
1383 /***********************************************************************
1384  *           SetFilePointer   (KERNEL32.492)
1385  */
1386 DWORD WINAPI SetFilePointer( HANDLE hFile, LONG distance, LONG *highword,
1387                              DWORD method )
1388 {
1389     DWORD ret = 0xffffffff;
1390
1391     if (highword &&
1392         ((distance >= 0 && *highword != 0) || (distance < 0 && *highword != -1)))
1393     {
1394         FIXME("64-bit offsets not supported yet\n"
1395               "SetFilePointer(%08x,%08lx,%08lx,%08lx)\n",
1396               hFile,distance,*highword,method);
1397         SetLastError( ERROR_INVALID_PARAMETER );
1398         return ret;
1399     }
1400     TRACE("handle %d offset %ld origin %ld\n",
1401           hFile, distance, method );
1402
1403     SERVER_START_REQ
1404     {
1405         struct set_file_pointer_request *req = server_alloc_req( sizeof(*req), 0 );
1406         req->handle = hFile;
1407         req->low = distance;
1408         req->high = highword ? *highword : (distance >= 0) ? 0 : -1;
1409         /* FIXME: assumes 1:1 mapping between Windows and Unix seek constants */
1410         req->whence = method;
1411         SetLastError( 0 );
1412         if (!server_call( REQ_SET_FILE_POINTER ))
1413         {
1414             ret = req->new_low;
1415             if (highword) *highword = req->new_high;
1416         }
1417     }
1418     SERVER_END_REQ;
1419     return ret;
1420 }
1421
1422
1423 /***********************************************************************
1424  *           _llseek16   (KERNEL.84)
1425  *
1426  * FIXME:
1427  *   Seeking before the start of the file should be allowed for _llseek16,
1428  *   but cause subsequent I/O operations to fail (cf. interrupt list)
1429  *
1430  */
1431 LONG WINAPI _llseek16( HFILE16 hFile, LONG lOffset, INT16 nOrigin )
1432 {
1433     return SetFilePointer( DosFileHandleToWin32Handle(hFile), lOffset, NULL, nOrigin );
1434 }
1435
1436
1437 /***********************************************************************
1438  *           _llseek   (KERNEL32.594)
1439  */
1440 LONG WINAPI _llseek( HFILE hFile, LONG lOffset, INT nOrigin )
1441 {
1442     return SetFilePointer( hFile, lOffset, NULL, nOrigin );
1443 }
1444
1445
1446 /***********************************************************************
1447  *           _lopen16   (KERNEL.85)
1448  */
1449 HFILE16 WINAPI _lopen16( LPCSTR path, INT16 mode )
1450 {
1451     return Win32HandleToDosFileHandle( _lopen( path, mode ) );
1452 }
1453
1454
1455 /***********************************************************************
1456  *           _lopen   (KERNEL32.595)
1457  */
1458 HFILE WINAPI _lopen( LPCSTR path, INT mode )
1459 {
1460     DWORD access, sharing;
1461
1462     TRACE("('%s',%04x)\n", path, mode );
1463     FILE_ConvertOFMode( mode, &access, &sharing );
1464     return CreateFileA( path, access, sharing, NULL, OPEN_EXISTING, 0, -1 );
1465 }
1466
1467
1468 /***********************************************************************
1469  *           _lwrite16   (KERNEL.86)
1470  */
1471 UINT16 WINAPI _lwrite16( HFILE16 hFile, LPCSTR buffer, UINT16 count )
1472 {
1473     return (UINT16)_hwrite( DosFileHandleToWin32Handle(hFile), buffer, (LONG)count );
1474 }
1475
1476 /***********************************************************************
1477  *           _lwrite   (KERNEL32.761)
1478  */
1479 UINT WINAPI _lwrite( HFILE hFile, LPCSTR buffer, UINT count )
1480 {
1481     return (UINT)_hwrite( hFile, buffer, (LONG)count );
1482 }
1483
1484
1485 /***********************************************************************
1486  *           _hread16   (KERNEL.349)
1487  */
1488 LONG WINAPI _hread16( HFILE16 hFile, LPVOID buffer, LONG count)
1489 {
1490     return _lread( DosFileHandleToWin32Handle(hFile), buffer, count );
1491 }
1492
1493
1494 /***********************************************************************
1495  *           _hread   (KERNEL32.590)
1496  */
1497 LONG WINAPI _hread( HFILE hFile, LPVOID buffer, LONG count)
1498 {
1499     return _lread( hFile, buffer, count );
1500 }
1501
1502
1503 /***********************************************************************
1504  *           _hwrite16   (KERNEL.350)
1505  */
1506 LONG WINAPI _hwrite16( HFILE16 hFile, LPCSTR buffer, LONG count )
1507 {
1508     return _hwrite( DosFileHandleToWin32Handle(hFile), buffer, count );
1509 }
1510
1511
1512 /***********************************************************************
1513  *           _hwrite   (KERNEL32.591)
1514  *
1515  *      experimentation yields that _lwrite:
1516  *              o truncates the file at the current position with
1517  *                a 0 len write
1518  *              o returns 0 on a 0 length write
1519  *              o works with console handles
1520  *
1521  */
1522 LONG WINAPI _hwrite( HFILE handle, LPCSTR buffer, LONG count )
1523 {
1524     DWORD result;
1525
1526     TRACE("%d %p %ld\n", handle, buffer, count );
1527
1528     if (!count)
1529     {
1530         /* Expand or truncate at current position */
1531         if (!SetEndOfFile( handle )) return HFILE_ERROR;
1532         return 0;
1533     }
1534     if (!WriteFile( handle, buffer, count, &result, NULL ))
1535         return HFILE_ERROR;
1536     return result;
1537 }
1538
1539
1540 /***********************************************************************
1541  *           SetHandleCount16   (KERNEL.199)
1542  */
1543 UINT16 WINAPI SetHandleCount16( UINT16 count )
1544 {
1545     HGLOBAL16 hPDB = GetCurrentPDB16();
1546     PDB16 *pdb = (PDB16 *)GlobalLock16( hPDB );
1547     BYTE *files = PTR_SEG_TO_LIN( pdb->fileHandlesPtr );
1548
1549     TRACE("(%d)\n", count );
1550
1551     if (count < 20) count = 20;  /* No point in going below 20 */
1552     else if (count > 254) count = 254;
1553
1554     if (count == 20)
1555     {
1556         if (pdb->nbFiles > 20)
1557         {
1558             memcpy( pdb->fileHandles, files, 20 );
1559             GlobalFree16( pdb->hFileHandles );
1560             pdb->fileHandlesPtr = (SEGPTR)MAKELONG( 0x18,
1561                                                    GlobalHandleToSel16( hPDB ) );
1562             pdb->hFileHandles = 0;
1563             pdb->nbFiles = 20;
1564         }
1565     }
1566     else  /* More than 20, need a new file handles table */
1567     {
1568         BYTE *newfiles;
1569         HGLOBAL16 newhandle = GlobalAlloc16( GMEM_MOVEABLE, count );
1570         if (!newhandle)
1571         {
1572             SetLastError( ERROR_NOT_ENOUGH_MEMORY );
1573             return pdb->nbFiles;
1574         }
1575         newfiles = (BYTE *)GlobalLock16( newhandle );
1576
1577         if (count > pdb->nbFiles)
1578         {
1579             memcpy( newfiles, files, pdb->nbFiles );
1580             memset( newfiles + pdb->nbFiles, 0xff, count - pdb->nbFiles );
1581         }
1582         else memcpy( newfiles, files, count );
1583         if (pdb->nbFiles > 20) GlobalFree16( pdb->hFileHandles );
1584         pdb->fileHandlesPtr = WIN16_GlobalLock16( newhandle );
1585         pdb->hFileHandles   = newhandle;
1586         pdb->nbFiles = count;
1587     }
1588     return pdb->nbFiles;
1589 }
1590
1591
1592 /*************************************************************************
1593  *           SetHandleCount   (KERNEL32.494)
1594  */
1595 UINT WINAPI SetHandleCount( UINT count )
1596 {
1597     return min( 256, count );
1598 }
1599
1600
1601 /***********************************************************************
1602  *           FlushFileBuffers   (KERNEL32.133)
1603  */
1604 BOOL WINAPI FlushFileBuffers( HANDLE hFile )
1605 {
1606     BOOL ret;
1607     SERVER_START_REQ
1608     {
1609         struct flush_file_request *req = server_alloc_req( sizeof(*req), 0 );
1610         req->handle = hFile;
1611         ret = !server_call( REQ_FLUSH_FILE );
1612     }
1613     SERVER_END_REQ;
1614     return ret;
1615 }
1616
1617
1618 /**************************************************************************
1619  *           SetEndOfFile   (KERNEL32.483)
1620  */
1621 BOOL WINAPI SetEndOfFile( HANDLE hFile )
1622 {
1623     BOOL ret;
1624     SERVER_START_REQ
1625     {
1626         struct truncate_file_request *req = server_alloc_req( sizeof(*req), 0 );
1627         req->handle = hFile;
1628         ret = !server_call( REQ_TRUNCATE_FILE );
1629     }
1630     SERVER_END_REQ;
1631     return ret;
1632 }
1633
1634
1635 /***********************************************************************
1636  *           DeleteFile16   (KERNEL.146)
1637  */
1638 BOOL16 WINAPI DeleteFile16( LPCSTR path )
1639 {
1640     return DeleteFileA( path );
1641 }
1642
1643
1644 /***********************************************************************
1645  *           DeleteFileA   (KERNEL32.71)
1646  */
1647 BOOL WINAPI DeleteFileA( LPCSTR path )
1648 {
1649     DOS_FULL_NAME full_name;
1650
1651     TRACE("'%s'\n", path );
1652
1653     if (!*path)
1654     {
1655         ERR("Empty path passed\n");
1656         return FALSE;
1657     }
1658     if (DOSFS_GetDevice( path ))
1659     {
1660         WARN("cannot remove DOS device '%s'!\n", path);
1661         SetLastError( ERROR_FILE_NOT_FOUND );
1662         return FALSE;
1663     }
1664
1665     if (!DOSFS_GetFullName( path, TRUE, &full_name )) return FALSE;
1666     if (unlink( full_name.long_name ) == -1)
1667     {
1668         FILE_SetDosError();
1669         return FALSE;
1670     }
1671     return TRUE;
1672 }
1673
1674
1675 /***********************************************************************
1676  *           DeleteFileW   (KERNEL32.72)
1677  */
1678 BOOL WINAPI DeleteFileW( LPCWSTR path )
1679 {
1680     LPSTR xpath = HEAP_strdupWtoA( GetProcessHeap(), 0, path );
1681     BOOL ret = DeleteFileA( xpath );
1682     HeapFree( GetProcessHeap(), 0, xpath );
1683     return ret;
1684 }
1685
1686
1687 /***********************************************************************
1688  *           GetFileType   (KERNEL32.222)
1689  */
1690 DWORD WINAPI GetFileType( HANDLE hFile )
1691 {
1692     DWORD ret = FILE_TYPE_UNKNOWN;
1693     SERVER_START_REQ
1694     {
1695         struct get_file_info_request *req = server_alloc_req( sizeof(*req), 0 );
1696         req->handle = hFile;
1697         if (!server_call( REQ_GET_FILE_INFO )) ret = req->type;
1698     }
1699     SERVER_END_REQ;
1700     return ret;
1701 }
1702
1703
1704 /**************************************************************************
1705  *           MoveFileExA   (KERNEL32.???)
1706  */
1707 BOOL WINAPI MoveFileExA( LPCSTR fn1, LPCSTR fn2, DWORD flag )
1708 {
1709     DOS_FULL_NAME full_name1, full_name2;
1710
1711     TRACE("(%s,%s,%04lx)\n", fn1, fn2, flag);
1712
1713     if (!DOSFS_GetFullName( fn1, TRUE, &full_name1 )) return FALSE;
1714
1715     if (fn2)  /* !fn2 means delete fn1 */
1716     {
1717         if (DOSFS_GetFullName( fn2, TRUE, &full_name2 ))
1718         {
1719             /* target exists, check if we may overwrite */
1720             if (!(flag & MOVEFILE_REPLACE_EXISTING))
1721             {
1722                 /* FIXME: Use right error code */
1723                 SetLastError( ERROR_ACCESS_DENIED );
1724                 return FALSE;
1725             }
1726         }
1727         else if (!DOSFS_GetFullName( fn2, FALSE, &full_name2 )) return FALSE;
1728
1729         /* Source name and target path are valid */
1730
1731         if (flag & MOVEFILE_DELAY_UNTIL_REBOOT)
1732         {
1733             /* FIXME: (bon@elektron.ikp.physik.th-darmstadt.de 970706)
1734                Perhaps we should queue these command and execute it
1735                when exiting... What about using on_exit(2)
1736             */
1737             FIXME("Please move existing file '%s' to file '%s' when Wine has finished\n",
1738                   full_name1.long_name, full_name2.long_name);
1739             return TRUE;
1740         }
1741
1742         if (full_name1.drive != full_name2.drive)
1743         {
1744             /* use copy, if allowed */
1745             if (!(flag & MOVEFILE_COPY_ALLOWED))
1746             {
1747                 /* FIXME: Use right error code */
1748                 SetLastError( ERROR_FILE_EXISTS );
1749                 return FALSE;
1750             }
1751             return CopyFileA( fn1, fn2, !(flag & MOVEFILE_REPLACE_EXISTING) );
1752         }
1753         if (rename( full_name1.long_name, full_name2.long_name ) == -1)
1754         {
1755             FILE_SetDosError();
1756             return FALSE;
1757         }
1758         return TRUE;
1759     }
1760     else /* fn2 == NULL means delete source */
1761     {
1762         if (flag & MOVEFILE_DELAY_UNTIL_REBOOT)
1763         {
1764             if (flag & MOVEFILE_COPY_ALLOWED) {
1765                 WARN("Illegal flag\n");
1766                 SetLastError( ERROR_GEN_FAILURE );
1767                 return FALSE;
1768             }
1769             /* FIXME: (bon@elektron.ikp.physik.th-darmstadt.de 970706)
1770                Perhaps we should queue these command and execute it
1771                when exiting... What about using on_exit(2)
1772             */
1773             FIXME("Please delete file '%s' when Wine has finished\n",
1774                   full_name1.long_name);
1775             return TRUE;
1776         }
1777
1778         if (unlink( full_name1.long_name ) == -1)
1779         {
1780             FILE_SetDosError();
1781             return FALSE;
1782         }
1783         return TRUE; /* successfully deleted */
1784     }
1785 }
1786
1787 /**************************************************************************
1788  *           MoveFileExW   (KERNEL32.???)
1789  */
1790 BOOL WINAPI MoveFileExW( LPCWSTR fn1, LPCWSTR fn2, DWORD flag )
1791 {
1792     LPSTR afn1 = HEAP_strdupWtoA( GetProcessHeap(), 0, fn1 );
1793     LPSTR afn2 = HEAP_strdupWtoA( GetProcessHeap(), 0, fn2 );
1794     BOOL res = MoveFileExA( afn1, afn2, flag );
1795     HeapFree( GetProcessHeap(), 0, afn1 );
1796     HeapFree( GetProcessHeap(), 0, afn2 );
1797     return res;
1798 }
1799
1800
1801 /**************************************************************************
1802  *           MoveFileA   (KERNEL32.387)
1803  *
1804  *  Move file or directory
1805  */
1806 BOOL WINAPI MoveFileA( LPCSTR fn1, LPCSTR fn2 )
1807 {
1808     DOS_FULL_NAME full_name1, full_name2;
1809     struct stat fstat;
1810
1811     TRACE("(%s,%s)\n", fn1, fn2 );
1812
1813     if (!DOSFS_GetFullName( fn1, TRUE, &full_name1 )) return FALSE;
1814     if (DOSFS_GetFullName( fn2, TRUE, &full_name2 ))  {
1815       /* The new name must not already exist */
1816       SetLastError(ERROR_ALREADY_EXISTS);
1817       return FALSE;
1818     }
1819     if (!DOSFS_GetFullName( fn2, FALSE, &full_name2 )) return FALSE;
1820
1821     if (full_name1.drive == full_name2.drive) /* move */
1822     if (rename( full_name1.long_name, full_name2.long_name ) == -1)
1823     {
1824         FILE_SetDosError();
1825         return FALSE;
1826     }
1827       else return TRUE;
1828     else /*copy */ {
1829       if (stat(  full_name1.long_name, &fstat ))
1830         {
1831           WARN("Invalid source file %s\n",
1832                         full_name1.long_name);
1833           FILE_SetDosError();
1834           return FALSE;
1835         }
1836       if (S_ISDIR(fstat.st_mode)) {
1837         /* No Move for directories across file systems */
1838         /* FIXME: Use right error code */
1839         SetLastError( ERROR_GEN_FAILURE );
1840         return FALSE;
1841       }
1842       else
1843         return CopyFileA(fn1, fn2, TRUE); /*fail, if exist */
1844     }
1845 }
1846
1847
1848 /**************************************************************************
1849  *           MoveFileW   (KERNEL32.390)
1850  */
1851 BOOL WINAPI MoveFileW( LPCWSTR fn1, LPCWSTR fn2 )
1852 {
1853     LPSTR afn1 = HEAP_strdupWtoA( GetProcessHeap(), 0, fn1 );
1854     LPSTR afn2 = HEAP_strdupWtoA( GetProcessHeap(), 0, fn2 );
1855     BOOL res = MoveFileA( afn1, afn2 );
1856     HeapFree( GetProcessHeap(), 0, afn1 );
1857     HeapFree( GetProcessHeap(), 0, afn2 );
1858     return res;
1859 }
1860
1861
1862 /**************************************************************************
1863  *           CopyFileA   (KERNEL32.36)
1864  */
1865 BOOL WINAPI CopyFileA( LPCSTR source, LPCSTR dest, BOOL fail_if_exists )
1866 {
1867     HFILE h1, h2;
1868     BY_HANDLE_FILE_INFORMATION info;
1869     UINT count;
1870     BOOL ret = FALSE;
1871     int mode;
1872     char buffer[2048];
1873
1874     if ((h1 = _lopen( source, OF_READ )) == HFILE_ERROR) return FALSE;
1875     if (!GetFileInformationByHandle( h1, &info ))
1876     {
1877         CloseHandle( h1 );
1878         return FALSE;
1879     }
1880     mode = (info.dwFileAttributes & FILE_ATTRIBUTE_READONLY) ? 0444 : 0666;
1881     if ((h2 = CreateFileA( dest, GENERIC_WRITE, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL,
1882                              fail_if_exists ? CREATE_NEW : CREATE_ALWAYS,
1883                              info.dwFileAttributes, h1 )) == HFILE_ERROR)
1884     {
1885         CloseHandle( h1 );
1886         return FALSE;
1887     }
1888     while ((count = _lread( h1, buffer, sizeof(buffer) )) > 0)
1889     {
1890         char *p = buffer;
1891         while (count > 0)
1892         {
1893             INT res = _lwrite( h2, p, count );
1894             if (res <= 0) goto done;
1895             p += res;
1896             count -= res;
1897         }
1898     }
1899     ret =  TRUE;
1900 done:
1901     CloseHandle( h1 );
1902     CloseHandle( h2 );
1903     return ret;
1904 }
1905
1906
1907 /**************************************************************************
1908  *           CopyFileW   (KERNEL32.37)
1909  */
1910 BOOL WINAPI CopyFileW( LPCWSTR source, LPCWSTR dest, BOOL fail_if_exists)
1911 {
1912     LPSTR sourceA = HEAP_strdupWtoA( GetProcessHeap(), 0, source );
1913     LPSTR destA   = HEAP_strdupWtoA( GetProcessHeap(), 0, dest );
1914     BOOL ret = CopyFileA( sourceA, destA, fail_if_exists );
1915     HeapFree( GetProcessHeap(), 0, sourceA );
1916     HeapFree( GetProcessHeap(), 0, destA );
1917     return ret;
1918 }
1919
1920
1921 /**************************************************************************
1922  *           CopyFileExA   (KERNEL32.858)
1923  *
1924  * This implementation ignores most of the extra parameters passed-in into
1925  * the "ex" version of the method and calls the CopyFile method.
1926  * It will have to be fixed eventually.
1927  */
1928 BOOL WINAPI CopyFileExA(LPCSTR             sourceFilename,
1929                            LPCSTR             destFilename,
1930                            LPPROGRESS_ROUTINE progressRoutine,
1931                            LPVOID             appData,
1932                            LPBOOL           cancelFlagPointer,
1933                            DWORD              copyFlags)
1934 {
1935   BOOL failIfExists = FALSE;
1936
1937   /*
1938    * Interpret the only flag that CopyFile can interpret.
1939    */
1940   if ( (copyFlags & COPY_FILE_FAIL_IF_EXISTS) != 0)
1941   {
1942     failIfExists = TRUE;
1943   }
1944
1945   return CopyFileA(sourceFilename, destFilename, failIfExists);
1946 }
1947
1948 /**************************************************************************
1949  *           CopyFileExW   (KERNEL32.859)
1950  */
1951 BOOL WINAPI CopyFileExW(LPCWSTR            sourceFilename,
1952                            LPCWSTR            destFilename,
1953                            LPPROGRESS_ROUTINE progressRoutine,
1954                            LPVOID             appData,
1955                            LPBOOL           cancelFlagPointer,
1956                            DWORD              copyFlags)
1957 {
1958     LPSTR sourceA = HEAP_strdupWtoA( GetProcessHeap(), 0, sourceFilename );
1959     LPSTR destA   = HEAP_strdupWtoA( GetProcessHeap(), 0, destFilename );
1960
1961     BOOL ret = CopyFileExA(sourceA,
1962                               destA,
1963                               progressRoutine,
1964                               appData,
1965                               cancelFlagPointer,
1966                               copyFlags);
1967
1968     HeapFree( GetProcessHeap(), 0, sourceA );
1969     HeapFree( GetProcessHeap(), 0, destA );
1970
1971     return ret;
1972 }
1973
1974
1975 /***********************************************************************
1976  *              SetFileTime   (KERNEL32.650)
1977  */
1978 BOOL WINAPI SetFileTime( HANDLE hFile,
1979                            const FILETIME *lpCreationTime,
1980                            const FILETIME *lpLastAccessTime,
1981                            const FILETIME *lpLastWriteTime )
1982 {
1983     BOOL ret;
1984     SERVER_START_REQ
1985     {
1986         struct set_file_time_request *req = server_alloc_req( sizeof(*req), 0 );
1987         req->handle = hFile;
1988         if (lpLastAccessTime)
1989             RtlTimeToSecondsSince1970( lpLastAccessTime, (DWORD *)&req->access_time );
1990         else
1991             req->access_time = 0; /* FIXME */
1992         if (lpLastWriteTime)
1993             RtlTimeToSecondsSince1970( lpLastWriteTime, (DWORD *)&req->write_time );
1994         else
1995             req->write_time = 0; /* FIXME */
1996         ret = !server_call( REQ_SET_FILE_TIME );
1997     }
1998     SERVER_END_REQ;
1999     return ret;
2000 }
2001
2002
2003 /**************************************************************************
2004  *           LockFile   (KERNEL32.511)
2005  */
2006 BOOL WINAPI LockFile( HANDLE hFile, DWORD dwFileOffsetLow, DWORD dwFileOffsetHigh,
2007                         DWORD nNumberOfBytesToLockLow, DWORD nNumberOfBytesToLockHigh )
2008 {
2009     BOOL ret;
2010     SERVER_START_REQ
2011     {
2012         struct lock_file_request *req = server_alloc_req( sizeof(*req), 0 );
2013
2014         req->handle      = hFile;
2015         req->offset_low  = dwFileOffsetLow;
2016         req->offset_high = dwFileOffsetHigh;
2017         req->count_low   = nNumberOfBytesToLockLow;
2018         req->count_high  = nNumberOfBytesToLockHigh;
2019         ret = !server_call( REQ_LOCK_FILE );
2020     }
2021     SERVER_END_REQ;
2022     return ret;
2023 }
2024
2025 /**************************************************************************
2026  * LockFileEx [KERNEL32.512]
2027  *
2028  * Locks a byte range within an open file for shared or exclusive access.
2029  *
2030  * RETURNS
2031  *   success: TRUE
2032  *   failure: FALSE
2033  * NOTES
2034  *
2035  * Per Microsoft docs, the third parameter (reserved) must be set to 0.
2036  */
2037 BOOL WINAPI LockFileEx( HANDLE hFile, DWORD flags, DWORD reserved,
2038                       DWORD nNumberOfBytesToLockLow, DWORD nNumberOfBytesToLockHigh,
2039                       LPOVERLAPPED pOverlapped )
2040 {
2041     FIXME("hFile=%d,flags=%ld,reserved=%ld,lowbytes=%ld,highbytes=%ld,overlapped=%p: stub.\n",
2042           hFile, flags, reserved, nNumberOfBytesToLockLow, nNumberOfBytesToLockHigh,
2043           pOverlapped);
2044     if (reserved == 0)
2045         SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
2046     else
2047     {
2048         ERR("reserved == %ld: Supposed to be 0??\n", reserved);
2049         SetLastError(ERROR_INVALID_PARAMETER);
2050     }
2051
2052     return FALSE;
2053 }
2054
2055
2056 /**************************************************************************
2057  *           UnlockFile   (KERNEL32.703)
2058  */
2059 BOOL WINAPI UnlockFile( HANDLE hFile, DWORD dwFileOffsetLow, DWORD dwFileOffsetHigh,
2060                           DWORD nNumberOfBytesToUnlockLow, DWORD nNumberOfBytesToUnlockHigh )
2061 {
2062     BOOL ret;
2063     SERVER_START_REQ
2064     {
2065         struct unlock_file_request *req = server_alloc_req( sizeof(*req), 0 );
2066
2067         req->handle      = hFile;
2068         req->offset_low  = dwFileOffsetLow;
2069         req->offset_high = dwFileOffsetHigh;
2070         req->count_low   = nNumberOfBytesToUnlockLow;
2071         req->count_high  = nNumberOfBytesToUnlockHigh;
2072         ret = !server_call( REQ_UNLOCK_FILE );
2073     }
2074     SERVER_END_REQ;
2075     return ret;
2076 }
2077
2078
2079 /**************************************************************************
2080  *           UnlockFileEx   (KERNEL32.705)
2081  */
2082 BOOL WINAPI UnlockFileEx(
2083                 HFILE hFile,
2084                 DWORD dwReserved,
2085                 DWORD nNumberOfBytesToUnlockLow,
2086                 DWORD nNumberOfBytesToUnlockHigh,
2087                 LPOVERLAPPED lpOverlapped
2088 )
2089 {
2090         FIXME("hFile=%d,reserved=%ld,lowbytes=%ld,highbytes=%ld,overlapped=%p: stub.\n",
2091           hFile, dwReserved, nNumberOfBytesToUnlockLow, nNumberOfBytesToUnlockHigh,
2092           lpOverlapped);
2093         if (dwReserved == 0)
2094                 SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
2095         else
2096         {
2097                 ERR("reserved == %ld: Supposed to be 0??\n", dwReserved);
2098                 SetLastError(ERROR_INVALID_PARAMETER);
2099         }
2100
2101         return FALSE;
2102 }
2103
2104
2105 #if 0
2106
2107 struct DOS_FILE_LOCK {
2108   struct DOS_FILE_LOCK *        next;
2109   DWORD                         base;
2110   DWORD                         len;
2111   DWORD                         processId;
2112   FILE_OBJECT *                 dos_file;
2113 /*  char *                      unix_name;*/
2114 };
2115
2116 typedef struct DOS_FILE_LOCK DOS_FILE_LOCK;
2117
2118 static DOS_FILE_LOCK *locks = NULL;
2119 static void DOS_RemoveFileLocks(FILE_OBJECT *file);
2120
2121
2122 /* Locks need to be mirrored because unix file locking is based
2123  * on the pid. Inside of wine there can be multiple WINE processes
2124  * that share the same unix pid.
2125  * Read's and writes should check these locks also - not sure
2126  * how critical that is at this point (FIXME).
2127  */
2128
2129 static BOOL DOS_AddLock(FILE_OBJECT *file, struct flock *f)
2130 {
2131   DOS_FILE_LOCK *curr;
2132   DWORD         processId;
2133
2134   processId = GetCurrentProcessId();
2135
2136   /* check if lock overlaps a current lock for the same file */
2137 #if 0
2138   for (curr = locks; curr; curr = curr->next) {
2139     if (strcmp(curr->unix_name, file->unix_name) == 0) {
2140       if ((f->l_start == curr->base) && (f->l_len == curr->len))
2141         return TRUE;/* region is identic */
2142       if ((f->l_start < (curr->base + curr->len)) &&
2143           ((f->l_start + f->l_len) > curr->base)) {
2144         /* region overlaps */
2145         return FALSE;
2146       }
2147     }
2148   }
2149 #endif
2150
2151   curr = HeapAlloc( GetProcessHeap(), 0, sizeof(DOS_FILE_LOCK) );
2152   curr->processId = GetCurrentProcessId();
2153   curr->base = f->l_start;
2154   curr->len = f->l_len;
2155 /*  curr->unix_name = HEAP_strdupA( GetProcessHeap(), 0, file->unix_name);*/
2156   curr->next = locks;
2157   curr->dos_file = file;
2158   locks = curr;
2159   return TRUE;
2160 }
2161
2162 static void DOS_RemoveFileLocks(FILE_OBJECT *file)
2163 {
2164   DWORD         processId;
2165   DOS_FILE_LOCK **curr;
2166   DOS_FILE_LOCK *rem;
2167
2168   processId = GetCurrentProcessId();
2169   curr = &locks;
2170   while (*curr) {
2171     if ((*curr)->dos_file == file) {
2172       rem = *curr;
2173       *curr = (*curr)->next;
2174 /*      HeapFree( GetProcessHeap(), 0, rem->unix_name );*/
2175       HeapFree( GetProcessHeap(), 0, rem );
2176     }
2177     else
2178       curr = &(*curr)->next;
2179   }
2180 }
2181
2182 static BOOL DOS_RemoveLock(FILE_OBJECT *file, struct flock *f)
2183 {
2184   DWORD         processId;
2185   DOS_FILE_LOCK **curr;
2186   DOS_FILE_LOCK *rem;
2187
2188   processId = GetCurrentProcessId();
2189   for (curr = &locks; *curr; curr = &(*curr)->next) {
2190     if ((*curr)->processId == processId &&
2191         (*curr)->dos_file == file &&
2192         (*curr)->base == f->l_start &&
2193         (*curr)->len == f->l_len) {
2194       /* this is the same lock */
2195       rem = *curr;
2196       *curr = (*curr)->next;
2197 /*      HeapFree( GetProcessHeap(), 0, rem->unix_name );*/
2198       HeapFree( GetProcessHeap(), 0, rem );
2199       return TRUE;
2200     }
2201   }
2202   /* no matching lock found */
2203   return FALSE;
2204 }
2205
2206
2207 /**************************************************************************
2208  *           LockFile   (KERNEL32.511)
2209  */
2210 BOOL WINAPI LockFile(
2211         HFILE hFile,DWORD dwFileOffsetLow,DWORD dwFileOffsetHigh,
2212         DWORD nNumberOfBytesToLockLow,DWORD nNumberOfBytesToLockHigh )
2213 {
2214   struct flock f;
2215   FILE_OBJECT *file;
2216
2217   TRACE("handle %d offsetlow=%ld offsethigh=%ld nbyteslow=%ld nbyteshigh=%ld\n",
2218                hFile, dwFileOffsetLow, dwFileOffsetHigh,
2219                nNumberOfBytesToLockLow, nNumberOfBytesToLockHigh);
2220
2221   if (dwFileOffsetHigh || nNumberOfBytesToLockHigh) {
2222     FIXME("Unimplemented bytes > 32bits\n");
2223     return FALSE;
2224   }
2225
2226   f.l_start = dwFileOffsetLow;
2227   f.l_len = nNumberOfBytesToLockLow;
2228   f.l_whence = SEEK_SET;
2229   f.l_pid = 0;
2230   f.l_type = F_WRLCK;
2231
2232   if (!(file = FILE_GetFile(hFile,0,NULL))) return FALSE;
2233
2234   /* shadow locks internally */
2235   if (!DOS_AddLock(file, &f)) {
2236     SetLastError( ERROR_LOCK_VIOLATION );
2237     return FALSE;
2238   }
2239
2240   /* FIXME: Unix locking commented out for now, doesn't work with Excel */
2241 #ifdef USE_UNIX_LOCKS
2242   if (fcntl(file->unix_handle, F_SETLK, &f) == -1) {
2243     if (errno == EACCES || errno == EAGAIN) {
2244       SetLastError( ERROR_LOCK_VIOLATION );
2245     }
2246     else {
2247       FILE_SetDosError();
2248     }
2249     /* remove our internal copy of the lock */
2250     DOS_RemoveLock(file, &f);
2251     return FALSE;
2252   }
2253 #endif
2254   return TRUE;
2255 }
2256
2257
2258 /**************************************************************************
2259  *           UnlockFile   (KERNEL32.703)
2260  */
2261 BOOL WINAPI UnlockFile(
2262         HFILE hFile,DWORD dwFileOffsetLow,DWORD dwFileOffsetHigh,
2263         DWORD nNumberOfBytesToUnlockLow,DWORD nNumberOfBytesToUnlockHigh )
2264 {
2265   FILE_OBJECT *file;
2266   struct flock f;
2267
2268   TRACE("handle %d offsetlow=%ld offsethigh=%ld nbyteslow=%ld nbyteshigh=%ld\n",
2269                hFile, dwFileOffsetLow, dwFileOffsetHigh,
2270                nNumberOfBytesToUnlockLow, nNumberOfBytesToUnlockHigh);
2271
2272   if (dwFileOffsetHigh || nNumberOfBytesToUnlockHigh) {
2273     WARN("Unimplemented bytes > 32bits\n");
2274     return FALSE;
2275   }
2276
2277   f.l_start = dwFileOffsetLow;
2278   f.l_len = nNumberOfBytesToUnlockLow;
2279   f.l_whence = SEEK_SET;
2280   f.l_pid = 0;
2281   f.l_type = F_UNLCK;
2282
2283   if (!(file = FILE_GetFile(hFile,0,NULL))) return FALSE;
2284
2285   DOS_RemoveLock(file, &f);     /* ok if fails - may be another wine */
2286
2287   /* FIXME: Unix locking commented out for now, doesn't work with Excel */
2288 #ifdef USE_UNIX_LOCKS
2289   if (fcntl(file->unix_handle, F_SETLK, &f) == -1) {
2290     FILE_SetDosError();
2291     return FALSE;
2292   }
2293 #endif
2294   return TRUE;
2295 }
2296 #endif
2297
2298 /**************************************************************************
2299  * GetFileAttributesExA [KERNEL32.874]
2300  */
2301 BOOL WINAPI GetFileAttributesExA(
2302         LPCSTR lpFileName, GET_FILEEX_INFO_LEVELS fInfoLevelId,
2303         LPVOID lpFileInformation)
2304 {
2305     DOS_FULL_NAME full_name;
2306     BY_HANDLE_FILE_INFORMATION info;
2307
2308     if (lpFileName == NULL) return FALSE;
2309     if (lpFileInformation == NULL) return FALSE;
2310
2311     if (fInfoLevelId == GetFileExInfoStandard) {
2312         LPWIN32_FILE_ATTRIBUTE_DATA lpFad =
2313             (LPWIN32_FILE_ATTRIBUTE_DATA) lpFileInformation;
2314         if (!DOSFS_GetFullName( lpFileName, TRUE, &full_name )) return FALSE;
2315         if (!FILE_Stat( full_name.long_name, &info )) return FALSE;
2316
2317         lpFad->dwFileAttributes = info.dwFileAttributes;
2318         lpFad->ftCreationTime   = info.ftCreationTime;
2319         lpFad->ftLastAccessTime = info.ftLastAccessTime;
2320         lpFad->ftLastWriteTime  = info.ftLastWriteTime;
2321         lpFad->nFileSizeHigh    = info.nFileSizeHigh;
2322         lpFad->nFileSizeLow     = info.nFileSizeLow;
2323     }
2324     else {
2325         FIXME("invalid info level %d!\n", fInfoLevelId);
2326         return FALSE;
2327     }
2328
2329     return TRUE;
2330 }
2331
2332
2333 /**************************************************************************
2334  * GetFileAttributesExW [KERNEL32.875]
2335  */
2336 BOOL WINAPI GetFileAttributesExW(
2337         LPCWSTR lpFileName, GET_FILEEX_INFO_LEVELS fInfoLevelId,
2338         LPVOID lpFileInformation)
2339 {
2340     LPSTR nameA = HEAP_strdupWtoA( GetProcessHeap(), 0, lpFileName );
2341     BOOL res =
2342         GetFileAttributesExA( nameA, fInfoLevelId, lpFileInformation);
2343     HeapFree( GetProcessHeap(), 0, nameA );
2344     return res;
2345 }