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 "extented" 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 <string.h>
  20 #ifdef HAVE_SYS_ERRNO_H
  21 #include <sys/errno.h>
  22 #endif
  23 #include <sys/types.h>
  24 #include <sys/stat.h>
  25 #ifdef HAVE_SYS_MMAN_H
  26 #include <sys/mman.h>
  27 #endif
  28 #include <sys/time.h>
  29 #include <time.h>
  30 #include <unistd.h>
  31 #include <utime.h>
  32
  33 #include "winerror.h"
  34 #include "windef.h"
  35 #include "winbase.h"
  36 #include "wine/winbase16.h"
  37 #include "wine/winestring.h"
  38 #include "drive.h"
  39 #include "device.h"
  40 #include "file.h"
  41 #include "global.h"
  42 #include "heap.h"
  43 #include "msdos.h"
  44 #include "options.h"
  45 #include "ldt.h"
  46 #include "process.h"
  47 #include "task.h"
  48 #include "wincon.h"
  49 #include "debugtools.h"
  50
  51 #include "server.h"
  52
  53 DEFAULT_DEBUG_CHANNEL(file)
  54
  55 #if defined(MAP_ANONYMOUS) && !defined(MAP_ANON)
  56 #define MAP_ANON MAP_ANONYMOUS
  57 #endif
  58
  59 /* Size of per-process table of DOS handles */
  60 #define DOS_TABLE_SIZE 256
  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     default:
 296         perror( "int21: unknown errno" );
 297         SetLastError( ERROR_GEN_FAILURE );
 298         break;
 299     }
 300     errno = save_errno;
 301 }
 302
 303
 304 /***********************************************************************
 305  *           FILE_DupUnixHandle
 306  *
 307  * Duplicate a Unix handle into a task handle.
 308  */
 309 HFILE FILE_DupUnixHandle( int fd, DWORD access )
 310 {
 311     int unix_handle;
 312     struct alloc_file_handle_request *req = get_req_buffer();
 313
 314     if ((unix_handle = dup(fd)) == -1)
 315     {
 316         FILE_SetDosError();
 317         return INVALID_HANDLE_VALUE;
 318     }
 319     req->access  = access;
 320     server_call_fd( REQ_ALLOC_FILE_HANDLE, unix_handle, NULL );
 321     return req->handle;
 322 }
 323
 324
 325 /***********************************************************************
 326  *           FILE_CreateFile
 327  *
 328  * Implementation of CreateFile. Takes a Unix path name.
 329  */
 330 HANDLE FILE_CreateFile( LPCSTR filename, DWORD access, DWORD sharing,
 331                          LPSECURITY_ATTRIBUTES sa, DWORD creation,
 332                          DWORD attributes, HANDLE template )
 333 {
 334     struct create_file_request *req = get_req_buffer();
 335
 336     req->access  = access;
 337     req->inherit = (sa && (sa->nLength>=sizeof(*sa)) && sa->bInheritHandle);
 338     req->sharing = sharing;
 339     req->create  = creation;
 340     req->attrs   = attributes;
 341     lstrcpynA( req->name, filename, server_remaining(req->name) );
 342     SetLastError(0);
 343     server_call( REQ_CREATE_FILE );
 344
 345     /* If write access failed, retry without GENERIC_WRITE */
 346
 347     if ((req->handle == -1) && !Options.failReadOnly &&
 348         (access & GENERIC_WRITE))
 349     {
 350         DWORD lasterror = GetLastError();
 351         if ((lasterror == ERROR_ACCESS_DENIED) || (lasterror == ERROR_WRITE_PROTECT))
 352             return FILE_CreateFile( filename, access & ~GENERIC_WRITE, sharing,
 353                                     sa, creation, attributes, template );
 354     }
 355     return req->handle;
 356 }
 357
 358
 359 /***********************************************************************
 360  *           FILE_CreateDevice
 361  *
 362  * Same as FILE_CreateFile but for a device
 363  */
 364 HFILE FILE_CreateDevice( int client_id, DWORD access, LPSECURITY_ATTRIBUTES sa )
 365 {
 366     struct create_device_request *req = get_req_buffer();
 367
 368     req->access  = access;
 369     req->inherit = (sa && (sa->nLength>=sizeof(*sa)) && sa->bInheritHandle);
 370     req->id      = client_id;
 371     SetLastError(0);
 372     server_call( REQ_CREATE_DEVICE );
 373     return req->handle;
 374 }
 375
 376
 377 /*************************************************************************
 378  * CreateFile32A [KERNEL32.45]  Creates or opens a file or other object
 379  *
 380  * Creates or opens an object, and returns a handle that can be used to
 381  * access that object.
 382  *
 383  * PARAMS
 384  *
 385  * filename     [I] pointer to filename to be accessed
 386  * access       [I] access mode requested
 387  * sharing      [I] share mode
 388  * sa           [I] pointer to security attributes
 389  * creation     [I] how to create the file
 390  * attributes   [I] attributes for newly created file
 391  * template     [I] handle to file with extended attributes to copy
 392  *
 393  * RETURNS
 394  *   Success: Open handle to specified file
 395  *   Failure: INVALID_HANDLE_VALUE
 396  *
 397  * NOTES
 398  *  Should call SetLastError() on failure.
 399  *
 400  * BUGS
 401  *
 402  * Doesn't support character devices, pipes, template files, or a
 403  * lot of the 'attributes' flags yet.
 404  */
 405 HANDLE WINAPI CreateFileA( LPCSTR filename, DWORD access, DWORD sharing,
 406                               LPSECURITY_ATTRIBUTES sa, DWORD creation,
 407                               DWORD attributes, HANDLE template )
 408 {
 409     DOS_FULL_NAME full_name;
 410
 411     if (!filename)
 412     {
 413         SetLastError( ERROR_INVALID_PARAMETER );
 414         return HFILE_ERROR;
 415     }
 416     TRACE("%s %s%s%s%s%s%s%s\n",filename,
 417           ((access & GENERIC_READ)==GENERIC_READ)?"GENERIC_READ ":"",
 418           ((access & GENERIC_WRITE)==GENERIC_WRITE)?"GENERIC_WRITE ":"",
 419           (!access)?"QUERY_ACCESS ":"",
 420           ((sharing & FILE_SHARE_READ)==FILE_SHARE_READ)?"FILE_SHARE_READ ":"",
 421           ((sharing & FILE_SHARE_WRITE)==FILE_SHARE_WRITE)?"FILE_SHARE_WRITE ":"",
 422           ((sharing & FILE_SHARE_DELETE)==FILE_SHARE_DELETE)?"FILE_SHARE_DELETE ":"",
 423           (creation ==CREATE_NEW)?"CREATE_NEW":
 424           (creation ==CREATE_ALWAYS)?"CREATE_ALWAYS ":
 425           (creation ==OPEN_EXISTING)?"OPEN_EXISTING ":
 426           (creation ==OPEN_ALWAYS)?"OPEN_ALWAYS ":
 427           (creation ==TRUNCATE_EXISTING)?"TRUNCATE_EXISTING ":"");
 428
 429     /* If the name starts with '\\?\', ignore the first 4 chars. */
 430     if (!strncmp(filename, "\\\\?\\", 4))
 431     {
 432         filename += 4;
 433         if (!strncmp(filename, "UNC\\", 4))
 434         {
 435             FIXME("UNC name (%s) not supported.\n", filename );
 436             SetLastError( ERROR_PATH_NOT_FOUND );
 437             return HFILE_ERROR;
 438         }
 439     }
 440
 441     if (!strncmp(filename, "\\\\.\\", 4))
 442         return DEVICE_Open( filename+4, access, sa );
 443
 444     /* If the name still starts with '\\', it's a UNC name. */
 445     if (!strncmp(filename, "\\\\", 2))
 446     {
 447         FIXME("UNC name (%s) not supported.\n", filename );
 448         SetLastError( ERROR_PATH_NOT_FOUND );
 449         return HFILE_ERROR;
 450     }
 451
 452     /* If the name contains a DOS wild card (* or ?), do no create a file */
 453     if(strchr(filename,'*') || strchr(filename,'?'))
 454         return HFILE_ERROR;
 455
 456     /* Open a console for CONIN$ or CONOUT$ */
 457     if (!lstrcmpiA(filename, "CONIN$")) return CONSOLE_OpenHandle( FALSE, access, sa );
 458     if (!lstrcmpiA(filename, "CONOUT$")) return CONSOLE_OpenHandle( TRUE, access, sa );
 459
 460     if (DOSFS_GetDevice( filename ))
 461     {
 462         HFILE   ret;
 463
 464         TRACE("opening device '%s'\n", filename );
 465
 466         if (HFILE_ERROR!=(ret=DOSFS_OpenDevice( filename, access )))
 467                 return ret;
 468
 469         /* Do not silence this please. It is a critical error. -MM */
 470         ERR("Couldn't open device '%s'!\n",filename);
 471         SetLastError( ERROR_FILE_NOT_FOUND );
 472         return HFILE_ERROR;
 473     }
 474
 475     /* check for filename, don't check for last entry if creating */
 476     if (!DOSFS_GetFullName( filename,
 477                (creation == OPEN_EXISTING) || (creation == TRUNCATE_EXISTING), &full_name ))
 478         return HFILE_ERROR;
 479
 480     return FILE_CreateFile( full_name.long_name, access, sharing,
 481                             sa, creation, attributes, template );
 482 }
 483
 484
 485
 486 /*************************************************************************
 487  *              CreateFile32W              (KERNEL32.48)
 488  */
 489 HANDLE WINAPI CreateFileW( LPCWSTR filename, DWORD access, DWORD sharing,
 490                               LPSECURITY_ATTRIBUTES sa, DWORD creation,
 491                               DWORD attributes, HANDLE template)
 492 {
 493     LPSTR afn = HEAP_strdupWtoA( GetProcessHeap(), 0, filename );
 494     HANDLE res = CreateFileA( afn, access, sharing, sa, creation, attributes, template );
 495     HeapFree( GetProcessHeap(), 0, afn );
 496     return res;
 497 }
 498
 499
 500 /***********************************************************************
 501  *           FILE_FillInfo
 502  *
 503  * Fill a file information from a struct stat.
 504  */
 505 static void FILE_FillInfo( struct stat *st, BY_HANDLE_FILE_INFORMATION *info )
 506 {
 507     if (S_ISDIR(st->st_mode))
 508         info->dwFileAttributes = FILE_ATTRIBUTE_DIRECTORY;
 509     else
 510         info->dwFileAttributes = FILE_ATTRIBUTE_ARCHIVE;
 511     if (!(st->st_mode & S_IWUSR))
 512         info->dwFileAttributes |= FILE_ATTRIBUTE_READONLY;
 513
 514     DOSFS_UnixTimeToFileTime( st->st_mtime, &info->ftCreationTime, 0 );
 515     DOSFS_UnixTimeToFileTime( st->st_mtime, &info->ftLastWriteTime, 0 );
 516     DOSFS_UnixTimeToFileTime( st->st_atime, &info->ftLastAccessTime, 0 );
 517
 518     info->dwVolumeSerialNumber = 0;  /* FIXME */
 519     info->nFileSizeHigh = 0;
 520     info->nFileSizeLow  = S_ISDIR(st->st_mode) ? 0 : st->st_size;
 521     info->nNumberOfLinks = st->st_nlink;
 522     info->nFileIndexHigh = 0;
 523     info->nFileIndexLow  = st->st_ino;
 524 }
 525
 526
 527 /***********************************************************************
 528  *           FILE_Stat
 529  *
 530  * Stat a Unix path name. Return TRUE if OK.
 531  */
 532 BOOL FILE_Stat( LPCSTR unixName, BY_HANDLE_FILE_INFORMATION *info )
 533 {
 534     struct stat st;
 535
 536     if (!unixName || !info) return FALSE;
 537
 538     if (stat( unixName, &st ) == -1)
 539     {
 540         FILE_SetDosError();
 541         return FALSE;
 542     }
 543     FILE_FillInfo( &st, info );
 544     return TRUE;
 545 }
 546
 547
 548 /***********************************************************************
 549  *             GetFileInformationByHandle   (KERNEL32.219)
 550  */
 551 DWORD WINAPI GetFileInformationByHandle( HANDLE hFile,
 552                                          BY_HANDLE_FILE_INFORMATION *info )
 553 {
 554     struct get_file_info_request *req = get_req_buffer();
 555
 556     if (!info) return 0;
 557     req->handle = hFile;
 558     if (server_call( REQ_GET_FILE_INFO )) return 0;
 559     DOSFS_UnixTimeToFileTime( req->write_time, &info->ftCreationTime, 0 );
 560     DOSFS_UnixTimeToFileTime( req->write_time, &info->ftLastWriteTime, 0 );
 561     DOSFS_UnixTimeToFileTime( req->access_time, &info->ftLastAccessTime, 0 );
 562     info->dwFileAttributes     = req->attr;
 563     info->dwVolumeSerialNumber = req->serial;
 564     info->nFileSizeHigh        = req->size_high;
 565     info->nFileSizeLow         = req->size_low;
 566     info->nNumberOfLinks       = req->links;
 567     info->nFileIndexHigh       = req->index_high;
 568     info->nFileIndexLow        = req->index_low;
 569     return 1;
 570 }
 571
 572
 573 /**************************************************************************
 574  *           GetFileAttributes16   (KERNEL.420)
 575  */
 576 DWORD WINAPI GetFileAttributes16( LPCSTR name )
 577 {
 578     return GetFileAttributesA( name );
 579 }
 580
 581
 582 /**************************************************************************
 583  *           GetFileAttributes32A   (KERNEL32.217)
 584  */
 585 DWORD WINAPI GetFileAttributesA( LPCSTR name )
 586 {
 587     DOS_FULL_NAME full_name;
 588     BY_HANDLE_FILE_INFORMATION info;
 589
 590     if (name == NULL || *name=='\0') return -1;
 591
 592     if (!DOSFS_GetFullName( name, TRUE, &full_name )) return -1;
 593     if (!FILE_Stat( full_name.long_name, &info )) return -1;
 594     return info.dwFileAttributes;
 595 }
 596
 597
 598 /**************************************************************************
 599  *           GetFileAttributes32W   (KERNEL32.218)
 600  */
 601 DWORD WINAPI GetFileAttributesW( LPCWSTR name )
 602 {
 603     LPSTR nameA = HEAP_strdupWtoA( GetProcessHeap(), 0, name );
 604     DWORD res = GetFileAttributesA( nameA );
 605     HeapFree( GetProcessHeap(), 0, nameA );
 606     return res;
 607 }
 608
 609
 610 /***********************************************************************
 611  *           GetFileSize   (KERNEL32.220)
 612  */
 613 DWORD WINAPI GetFileSize( HANDLE hFile, LPDWORD filesizehigh )
 614 {
 615     BY_HANDLE_FILE_INFORMATION info;
 616     if (!GetFileInformationByHandle( hFile, &info )) return 0;
 617     if (filesizehigh) *filesizehigh = info.nFileSizeHigh;
 618     return info.nFileSizeLow;
 619 }
 620
 621
 622 /***********************************************************************
 623  *           GetFileTime   (KERNEL32.221)
 624  */
 625 BOOL WINAPI GetFileTime( HANDLE hFile, FILETIME *lpCreationTime,
 626                            FILETIME *lpLastAccessTime,
 627                            FILETIME *lpLastWriteTime )
 628 {
 629     BY_HANDLE_FILE_INFORMATION info;
 630     if (!GetFileInformationByHandle( hFile, &info )) return FALSE;
 631     if (lpCreationTime)   *lpCreationTime   = info.ftCreationTime;
 632     if (lpLastAccessTime) *lpLastAccessTime = info.ftLastAccessTime;
 633     if (lpLastWriteTime)  *lpLastWriteTime  = info.ftLastWriteTime;
 634     return TRUE;
 635 }
 636
 637 /***********************************************************************
 638  *           CompareFileTime   (KERNEL32.28)
 639  */
 640 INT WINAPI CompareFileTime( LPFILETIME x, LPFILETIME y )
 641 {
 642         if (!x || !y) return -1;
 643
 644         if (x->dwHighDateTime > y->dwHighDateTime)
 645                 return 1;
 646         if (x->dwHighDateTime < y->dwHighDateTime)
 647                 return -1;
 648         if (x->dwLowDateTime > y->dwLowDateTime)
 649                 return 1;
 650         if (x->dwLowDateTime < y->dwLowDateTime)
 651                 return -1;
 652         return 0;
 653 }
 654
 655
 656 /***********************************************************************
 657  *           GetTempFileName16   (KERNEL.97)
 658  */
 659 UINT16 WINAPI GetTempFileName16( BYTE drive, LPCSTR prefix, UINT16 unique,
 660                                  LPSTR buffer )
 661 {
 662     char temppath[144];
 663
 664     if (!(drive & ~TF_FORCEDRIVE)) /* drive 0 means current default drive */
 665         drive |= DRIVE_GetCurrentDrive() + 'A';
 666
 667     if ((drive & TF_FORCEDRIVE) &&
 668         !DRIVE_IsValid( toupper(drive & ~TF_FORCEDRIVE) - 'A' ))
 669     {
 670         drive &= ~TF_FORCEDRIVE;
 671         WARN("invalid drive %d specified\n", drive );
 672     }
 673
 674     if (drive & TF_FORCEDRIVE)
 675         sprintf(temppath,"%c:", drive & ~TF_FORCEDRIVE );
 676     else
 677         GetTempPathA( 132, temppath );
 678     return (UINT16)GetTempFileNameA( temppath, prefix, unique, buffer );
 679 }
 680
 681
 682 /***********************************************************************
 683  *           GetTempFileName32A   (KERNEL32.290)
 684  */
 685 UINT WINAPI GetTempFileNameA( LPCSTR path, LPCSTR prefix, UINT unique,
 686                                   LPSTR buffer)
 687 {
 688     static UINT unique_temp;
 689     DOS_FULL_NAME full_name;
 690     int i;
 691     LPSTR p;
 692     UINT num;
 693
 694     if ( !path || !prefix || !buffer ) return 0;
 695
 696     if (!unique_temp) unique_temp = time(NULL) & 0xffff;
 697     num = unique ? (unique & 0xffff) : (unique_temp++ & 0xffff);
 698
 699     strcpy( buffer, path );
 700     p = buffer + strlen(buffer);
 701
 702     /* add a \, if there isn't one and path is more than just the drive letter ... */
 703     if ( !((strlen(buffer) == 2) && (buffer[1] == ':'))
 704         && ((p == buffer) || (p[-1] != '\\'))) *p++ = '\\';
 705
 706     *p++ = '~';
 707     for (i = 3; (i > 0) && (*prefix); i--) *p++ = *prefix++;
 708     sprintf( p, "%04x.tmp", num );
 709
 710     /* Now try to create it */
 711
 712     if (!unique)
 713     {
 714         do
 715         {
 716             HFILE handle = CreateFileA( buffer, GENERIC_WRITE, 0, NULL,
 717                                             CREATE_NEW, FILE_ATTRIBUTE_NORMAL, -1 );
 718             if (handle != INVALID_HANDLE_VALUE)
 719             {  /* We created it */
 720                 TRACE("created %s\n",
 721                               buffer);
 722                 CloseHandle( handle );
 723                 break;
 724             }
 725             if (GetLastError() != ERROR_FILE_EXISTS)
 726                 break;  /* No need to go on */
 727             num++;
 728             sprintf( p, "%04x.tmp", num );
 729         } while (num != (unique & 0xffff));
 730     }
 731
 732     /* Get the full path name */
 733
 734     if (DOSFS_GetFullName( buffer, FALSE, &full_name ))
 735     {
 736         /* Check if we have write access in the directory */
 737         if ((p = strrchr( full_name.long_name, '/' ))) *p = '\0';
 738         if (access( full_name.long_name, W_OK ) == -1)
 739             WARN("returns '%s', which doesn't seem to be writeable.\n",
 740                  buffer);
 741     }
 742     TRACE("returning %s\n", buffer );
 743     return unique ? unique : num;
 744 }
 745
 746
 747 /***********************************************************************
 748  *           GetTempFileName32W   (KERNEL32.291)
 749  */
 750 UINT WINAPI GetTempFileNameW( LPCWSTR path, LPCWSTR prefix, UINT unique,
 751                                   LPWSTR buffer )
 752 {
 753     LPSTR   patha,prefixa;
 754     char    buffera[144];
 755     UINT  ret;
 756
 757     if (!path) return 0;
 758     patha   = HEAP_strdupWtoA( GetProcessHeap(), 0, path );
 759     prefixa = HEAP_strdupWtoA( GetProcessHeap(), 0, prefix );
 760     ret     = GetTempFileNameA( patha, prefixa, unique, buffera );
 761     lstrcpyAtoW( buffer, buffera );
 762     HeapFree( GetProcessHeap(), 0, patha );
 763     HeapFree( GetProcessHeap(), 0, prefixa );
 764     return ret;
 765 }
 766
 767
 768 /***********************************************************************
 769  *           FILE_DoOpenFile
 770  *
 771  * Implementation of OpenFile16() and OpenFile32().
 772  */
 773 static HFILE FILE_DoOpenFile( LPCSTR name, OFSTRUCT *ofs, UINT mode,
 774                                 BOOL win32 )
 775 {
 776     HFILE hFileRet;
 777     FILETIME filetime;
 778     WORD filedatetime[2];
 779     DOS_FULL_NAME full_name;
 780     DWORD access, sharing;
 781     char *p;
 782
 783     if (!ofs) return HFILE_ERROR;
 784
 785     TRACE("%s %s %s %s%s%s%s%s%s%s%s%s\n",name,
 786           ((mode & 0x3 )==OF_READ)?"OF_READ":
 787           ((mode & 0x3 )==OF_WRITE)?"OF_WRITE":
 788           ((mode & 0x3 )==OF_READWRITE)?"OF_READWRITE":"unknown",
 789           ((mode & 0x70 )==OF_SHARE_COMPAT)?"OF_SHARE_COMPAT":
 790           ((mode & 0x70 )==OF_SHARE_DENY_NONE)?"OF_SHARE_DENY_NONE":
 791           ((mode & 0x70 )==OF_SHARE_DENY_READ)?"OF_SHARE_DENY_READ":
 792           ((mode & 0x70 )==OF_SHARE_DENY_WRITE)?"OF_SHARE_DENY_WRITE":
 793           ((mode & 0x70 )==OF_SHARE_EXCLUSIVE)?"OF_SHARE_EXCLUSIVE":"unknown",
 794           ((mode & OF_PARSE )==OF_PARSE)?"OF_PARSE ":"",
 795           ((mode & OF_DELETE )==OF_DELETE)?"OF_DELETE ":"",
 796           ((mode & OF_VERIFY )==OF_VERIFY)?"OF_VERIFY ":"",
 797           ((mode & OF_SEARCH )==OF_SEARCH)?"OF_SEARCH ":"",
 798           ((mode & OF_CANCEL )==OF_CANCEL)?"OF_CANCEL ":"",
 799           ((mode & OF_CREATE )==OF_CREATE)?"OF_CREATE ":"",
 800           ((mode & OF_PROMPT )==OF_PROMPT)?"OF_PROMPT ":"",
 801           ((mode & OF_EXIST )==OF_EXIST)?"OF_EXIST ":"",
 802           ((mode & OF_REOPEN )==OF_REOPEN)?"OF_REOPEN ":""
 803           );
 804
 805
 806     ofs->cBytes = sizeof(OFSTRUCT);
 807     ofs->nErrCode = 0;
 808     if (mode & OF_REOPEN) name = ofs->szPathName;
 809
 810     if (!name) {
 811         ERR("called with `name' set to NULL ! Please debug.\n");
 812         return HFILE_ERROR;
 813     }
 814
 815     TRACE("%s %04x\n", name, mode );
 816
 817     /* the watcom 10.6 IDE relies on a valid path returned in ofs->szPathName
 818        Are there any cases where getting the path here is wrong?
 819        Uwe Bonnes 1997 Apr 2 */
 820     if (!GetFullPathNameA( name, sizeof(ofs->szPathName),
 821                              ofs->szPathName, NULL )) goto error;
 822     FILE_ConvertOFMode( mode, &access, &sharing );
 823
 824     /* OF_PARSE simply fills the structure */
 825
 826     if (mode & OF_PARSE)
 827     {
 828         ofs->fFixedDisk = (GetDriveType16( ofs->szPathName[0]-'A' )
 829                            != DRIVE_REMOVABLE);
 830         TRACE("(%s): OF_PARSE, res = '%s'\n",
 831                       name, ofs->szPathName );
 832         return 0;
 833     }
 834
 835     /* OF_CREATE is completely different from all other options, so
 836        handle it first */
 837
 838     if (mode & OF_CREATE)
 839     {
 840         if ((hFileRet = CreateFileA( name, GENERIC_READ | GENERIC_WRITE,
 841                                        sharing, NULL, CREATE_ALWAYS,
 842                                        FILE_ATTRIBUTE_NORMAL, -1 ))== INVALID_HANDLE_VALUE)
 843             goto error;
 844         goto success;
 845     }
 846
 847     /* If OF_SEARCH is set, ignore the given path */
 848
 849     if ((mode & OF_SEARCH) && !(mode & OF_REOPEN))
 850     {
 851         /* First try the file name as is */
 852         if (DOSFS_GetFullName( name, TRUE, &full_name )) goto found;
 853         /* Now remove the path */
 854         if (name[0] && (name[1] == ':')) name += 2;
 855         if ((p = strrchr( name, '\\' ))) name = p + 1;
 856         if ((p = strrchr( name, '/' ))) name = p + 1;
 857         if (!name[0]) goto not_found;
 858     }
 859
 860     /* Now look for the file */
 861
 862     if (!DIR_SearchPath( NULL, name, NULL, &full_name, win32 )) goto not_found;
 863
 864 found:
 865     TRACE("found %s = %s\n",
 866                   full_name.long_name, full_name.short_name );
 867     lstrcpynA( ofs->szPathName, full_name.short_name,
 868                  sizeof(ofs->szPathName) );
 869
 870     if (mode & OF_SHARE_EXCLUSIVE)
 871       /* Some InstallShield version uses OF_SHARE_EXCLUSIVE
 872          on the file <tempdir>/_ins0432._mp to determine how
 873          far installation has proceeded.
 874          _ins0432._mp is an executable and while running the
 875          application expects the open with OF_SHARE_ to fail*/
 876       /* Probable FIXME:
 877          As our loader closes the files after loading the executable,
 878          we can't find the running executable with FILE_InUse.
 879          Perhaps the loader should keep the file open.
 880          Recheck against how Win handles that case */
 881       {
 882         char *last = strrchr(full_name.long_name,'/');
 883         if (!last)
 884           last = full_name.long_name - 1;
 885         if (GetModuleHandle16(last+1))
 886           {
 887             TRACE("Denying shared open for %s\n",full_name.long_name);
 888             return HFILE_ERROR;
 889           }
 890       }
 891
 892     if (mode & OF_DELETE)
 893     {
 894         if (unlink( full_name.long_name ) == -1) goto not_found;
 895         TRACE("(%s): OF_DELETE return = OK\n", name);
 896         return 1;
 897     }
 898
 899     hFileRet = FILE_CreateFile( full_name.long_name, access, sharing,
 900                                 NULL, OPEN_EXISTING, 0, -1 );
 901     if (hFileRet == HFILE_ERROR) goto not_found;
 902
 903     GetFileTime( hFileRet, NULL, NULL, &filetime );
 904     FileTimeToDosDateTime( &filetime, &filedatetime[0], &filedatetime[1] );
 905     if ((mode & OF_VERIFY) && (mode & OF_REOPEN))
 906     {
 907         if (memcmp( ofs->reserved, filedatetime, sizeof(ofs->reserved) ))
 908         {
 909             CloseHandle( hFileRet );
 910             WARN("(%s): OF_VERIFY failed\n", name );
 911             /* FIXME: what error here? */
 912             SetLastError( ERROR_FILE_NOT_FOUND );
 913             goto error;
 914         }
 915     }
 916     memcpy( ofs->reserved, filedatetime, sizeof(ofs->reserved) );
 917
 918 success:  /* We get here if the open was successful */
 919     TRACE("(%s): OK, return = %d\n", name, hFileRet );
 920     if (win32)
 921     {
 922         if (mode & OF_EXIST) /* Return the handle, but close it first */
 923             CloseHandle( hFileRet );
 924     }
 925     else
 926     {
 927         hFileRet = FILE_AllocDosHandle( hFileRet );
 928         if (hFileRet == HFILE_ERROR16) goto error;
 929         if (mode & OF_EXIST) /* Return the handle, but close it first */
 930             _lclose16( hFileRet );
 931     }
 932     return hFileRet;
 933
 934 not_found:  /* We get here if the file does not exist */
 935     WARN("'%s' not found\n", name );
 936     SetLastError( ERROR_FILE_NOT_FOUND );
 937     /* fall through */
 938
 939 error:  /* We get here if there was an error opening the file */
 940     ofs->nErrCode = GetLastError();
 941     WARN("(%s): return = HFILE_ERROR error= %d\n",
 942                   name,ofs->nErrCode );
 943     return HFILE_ERROR;
 944 }
 945
 946
 947 /***********************************************************************
 948  *           OpenFile16   (KERNEL.74)
 949  */
 950 HFILE16 WINAPI OpenFile16( LPCSTR name, OFSTRUCT *ofs, UINT16 mode )
 951 {
 952     return FILE_DoOpenFile( name, ofs, mode, FALSE );
 953 }
 954
 955
 956 /***********************************************************************
 957  *           OpenFile32   (KERNEL32.396)
 958  */
 959 HFILE WINAPI OpenFile( LPCSTR name, OFSTRUCT *ofs, UINT mode )
 960 {
 961     return FILE_DoOpenFile( name, ofs, mode, TRUE );
 962 }
 963
 964
 965 /***********************************************************************
 966  *           FILE_InitProcessDosHandles
 967  *
 968  * Allocates the default DOS handles for a process. Called either by
 969  * AllocDosHandle below or by the DOSVM stuff.
 970  */
 971 BOOL FILE_InitProcessDosHandles( void ) {
 972         HANDLE *ptr;
 973
 974         if (!(ptr = HeapAlloc( SystemHeap, HEAP_ZERO_MEMORY,
 975                                sizeof(*ptr) * DOS_TABLE_SIZE )))
 976             return FALSE;
 977         PROCESS_Current()->dos_handles = ptr;
 978         ptr[0] = GetStdHandle(STD_INPUT_HANDLE);
 979         ptr[1] = GetStdHandle(STD_OUTPUT_HANDLE);
 980         ptr[2] = GetStdHandle(STD_ERROR_HANDLE);
 981         ptr[3] = GetStdHandle(STD_ERROR_HANDLE);
 982         ptr[4] = GetStdHandle(STD_ERROR_HANDLE);
 983         return TRUE;
 984 }
 985
 986 /***********************************************************************
 987  *           FILE_AllocDosHandle
 988  *
 989  * Allocate a DOS handle for a Win32 handle. The Win32 handle is no
 990  * longer valid after this function (even on failure).
 991  */
 992 HFILE16 FILE_AllocDosHandle( HANDLE handle )
 993 {
 994     int i;
 995     HANDLE *ptr = PROCESS_Current()->dos_handles;
 996
 997     if (!handle || (handle == INVALID_HANDLE_VALUE))
 998         return INVALID_HANDLE_VALUE16;
 999
1000     if (!ptr) {
1001         if (!FILE_InitProcessDosHandles())
1002             goto error;
1003         ptr = PROCESS_Current()->dos_handles;
1004     }
1005
1006     for (i = 0; i < DOS_TABLE_SIZE; i++, ptr++)
1007         if (!*ptr)
1008         {
1009             *ptr = handle;
1010             TRACE("Got %d for h32 %d\n", i, handle );
1011             return i;
1012         }
1013 error:
1014     CloseHandle( handle );
1015     SetLastError( ERROR_TOO_MANY_OPEN_FILES );
1016     return INVALID_HANDLE_VALUE16;
1017 }
1018
1019
1020 /***********************************************************************
1021  *           FILE_GetHandle32
1022  *
1023  * Return the Win32 handle for a DOS handle.
1024  */
1025 HANDLE FILE_GetHandle( HFILE16 hfile )
1026 {
1027     HANDLE *table = PROCESS_Current()->dos_handles;
1028     if ((hfile >= DOS_TABLE_SIZE) || !table || !table[hfile])
1029     {
1030         SetLastError( ERROR_INVALID_HANDLE );
1031         return INVALID_HANDLE_VALUE;
1032     }
1033     return table[hfile];
1034 }
1035
1036
1037 /***********************************************************************
1038  *           FILE_Dup2
1039  *
1040  * dup2() function for DOS handles.
1041  */
1042 HFILE16 FILE_Dup2( HFILE16 hFile1, HFILE16 hFile2 )
1043 {
1044     HANDLE *table = PROCESS_Current()->dos_handles;
1045     HANDLE new_handle;
1046
1047     if ((hFile1 >= DOS_TABLE_SIZE) || (hFile2 >= DOS_TABLE_SIZE) ||
1048         !table || !table[hFile1])
1049     {
1050         SetLastError( ERROR_INVALID_HANDLE );
1051         return HFILE_ERROR16;
1052     }
1053     if (hFile2 < 5)
1054     {
1055         FIXME("stdio handle closed, need proper conversion\n" );
1056         SetLastError( ERROR_INVALID_HANDLE );
1057         return HFILE_ERROR16;
1058     }
1059     if (!DuplicateHandle( GetCurrentProcess(), table[hFile1],
1060                           GetCurrentProcess(), &new_handle,
1061                           0, FALSE, DUPLICATE_SAME_ACCESS ))
1062         return HFILE_ERROR16;
1063     if (table[hFile2]) CloseHandle( table[hFile2] );
1064     table[hFile2] = new_handle;
1065     return hFile2;
1066 }
1067
1068
1069 /***********************************************************************
1070  *           _lclose16   (KERNEL.81)
1071  */
1072 HFILE16 WINAPI _lclose16( HFILE16 hFile )
1073 {
1074     HANDLE *table = PROCESS_Current()->dos_handles;
1075
1076     if (hFile < 5)
1077     {
1078         FIXME("stdio handle closed, need proper conversion\n" );
1079         SetLastError( ERROR_INVALID_HANDLE );
1080         return HFILE_ERROR16;
1081     }
1082     if ((hFile >= DOS_TABLE_SIZE) || !table || !table[hFile])
1083     {
1084         SetLastError( ERROR_INVALID_HANDLE );
1085         return HFILE_ERROR16;
1086     }
1087     TRACE("%d (handle32=%d)\n", hFile, table[hFile] );
1088     CloseHandle( table[hFile] );
1089     table[hFile] = 0;
1090     return 0;
1091 }
1092
1093
1094 /***********************************************************************
1095  *           _lclose32   (KERNEL32.592)
1096  */
1097 HFILE WINAPI _lclose( HFILE hFile )
1098 {
1099     TRACE("handle %d\n", hFile );
1100     return CloseHandle( hFile ) ? 0 : HFILE_ERROR;
1101 }
1102
1103
1104 /***********************************************************************
1105  *              ReadFile                (KERNEL32.428)
1106  */
1107 BOOL WINAPI ReadFile( HANDLE hFile, LPVOID buffer, DWORD bytesToRead,
1108                         LPDWORD bytesRead, LPOVERLAPPED overlapped )
1109 {
1110     struct get_read_fd_request *req = get_req_buffer();
1111     int unix_handle, result;
1112
1113     TRACE("%d %p %ld\n", hFile, buffer, bytesToRead );
1114
1115     if (bytesRead) *bytesRead = 0;  /* Do this before anything else */
1116     if (!bytesToRead) return TRUE;
1117
1118     req->handle = hFile;
1119     server_call_fd( REQ_GET_READ_FD, -1, &unix_handle );
1120     if (unix_handle == -1) return FALSE;
1121     while ((result = read( unix_handle, buffer, bytesToRead )) == -1)
1122     {
1123         if ((errno == EAGAIN) || (errno == EINTR)) continue;
1124         if ((errno == EFAULT) && VIRTUAL_HandleFault( buffer )) continue;
1125         FILE_SetDosError();
1126         break;
1127     }
1128     close( unix_handle );
1129     if (result == -1) return FALSE;
1130     if (bytesRead) *bytesRead = result;
1131     return TRUE;
1132 }
1133
1134
1135 /***********************************************************************
1136  *             WriteFile               (KERNEL32.578)
1137  */
1138 BOOL WINAPI WriteFile( HANDLE hFile, LPCVOID buffer, DWORD bytesToWrite,
1139                          LPDWORD bytesWritten, LPOVERLAPPED overlapped )
1140 {
1141     struct get_write_fd_request *req = get_req_buffer();
1142     int unix_handle, result;
1143
1144     TRACE("%d %p %ld\n", hFile, buffer, bytesToWrite );
1145
1146     if (bytesWritten) *bytesWritten = 0;  /* Do this before anything else */
1147     if (!bytesToWrite) return TRUE;
1148
1149     req->handle = hFile;
1150     server_call_fd( REQ_GET_WRITE_FD, -1, &unix_handle );
1151     if (unix_handle == -1) return FALSE;
1152     while ((result = write( unix_handle, buffer, bytesToWrite )) == -1)
1153     {
1154         if ((errno == EAGAIN) || (errno == EINTR)) continue;
1155         if ((errno == EFAULT) && VIRTUAL_HandleFault( buffer )) continue;
1156         if (errno == ENOSPC)
1157             SetLastError( ERROR_DISK_FULL );
1158         else
1159         FILE_SetDosError();
1160         break;
1161     }
1162     close( unix_handle );
1163     if (result == -1) return FALSE;
1164     if (bytesWritten) *bytesWritten = result;
1165     return TRUE;
1166 }
1167
1168
1169 /***********************************************************************
1170  *           WIN16_hread
1171  */
1172 LONG WINAPI WIN16_hread( HFILE16 hFile, SEGPTR buffer, LONG count )
1173 {
1174     LONG maxlen;
1175
1176     TRACE("%d %08lx %ld\n",
1177                   hFile, (DWORD)buffer, count );
1178
1179     /* Some programs pass a count larger than the allocated buffer */
1180     maxlen = GetSelectorLimit16( SELECTOROF(buffer) ) - OFFSETOF(buffer) + 1;
1181     if (count > maxlen) count = maxlen;
1182     return _lread(FILE_GetHandle(hFile), PTR_SEG_TO_LIN(buffer), count );
1183 }
1184
1185
1186 /***********************************************************************
1187  *           WIN16_lread
1188  */
1189 UINT16 WINAPI WIN16_lread( HFILE16 hFile, SEGPTR buffer, UINT16 count )
1190 {
1191     return (UINT16)WIN16_hread( hFile, buffer, (LONG)count );
1192 }
1193
1194
1195 /***********************************************************************
1196  *           _lread32   (KERNEL32.596)
1197  */
1198 UINT WINAPI _lread( HFILE handle, LPVOID buffer, UINT count )
1199 {
1200     DWORD result;
1201     if (!ReadFile( handle, buffer, count, &result, NULL )) return -1;
1202     return result;
1203 }
1204
1205
1206 /***********************************************************************
1207  *           _lread16   (KERNEL.82)
1208  */
1209 UINT16 WINAPI _lread16( HFILE16 hFile, LPVOID buffer, UINT16 count )
1210 {
1211     return (UINT16)_lread(FILE_GetHandle(hFile), buffer, (LONG)count );
1212 }
1213
1214
1215 /***********************************************************************
1216  *           _lcreat16   (KERNEL.83)
1217  */
1218 HFILE16 WINAPI _lcreat16( LPCSTR path, INT16 attr )
1219 {
1220     return FILE_AllocDosHandle( _lcreat( path, attr ) );
1221 }
1222
1223
1224 /***********************************************************************
1225  *           _lcreat   (KERNEL32.593)
1226  */
1227 HFILE WINAPI _lcreat( LPCSTR path, INT attr )
1228 {
1229     /* Mask off all flags not explicitly allowed by the doc */
1230     attr &= FILE_ATTRIBUTE_READONLY | FILE_ATTRIBUTE_HIDDEN | FILE_ATTRIBUTE_SYSTEM;
1231     TRACE("%s %02x\n", path, attr );
1232     return CreateFileA( path, GENERIC_READ | GENERIC_WRITE,
1233                         FILE_SHARE_READ | FILE_SHARE_WRITE, NULL,
1234                         CREATE_ALWAYS, attr, -1 );
1235 }
1236
1237
1238 /***********************************************************************
1239  *           SetFilePointer   (KERNEL32.492)
1240  */
1241 DWORD WINAPI SetFilePointer( HANDLE hFile, LONG distance, LONG *highword,
1242                              DWORD method )
1243 {
1244     struct set_file_pointer_request *req = get_req_buffer();
1245
1246     if (highword && *highword)
1247     {
1248         FIXME("64-bit offsets not supported yet\n");
1249         SetLastError( ERROR_INVALID_PARAMETER );
1250         return 0xffffffff;
1251     }
1252     TRACE("handle %d offset %ld origin %ld\n",
1253           hFile, distance, method );
1254
1255     req->handle = hFile;
1256     req->low = distance;
1257     req->high = highword ? *highword : 0;
1258     /* FIXME: assumes 1:1 mapping between Windows and Unix seek constants */
1259     req->whence = method;
1260     SetLastError( 0 );
1261     if (server_call( REQ_SET_FILE_POINTER )) return 0xffffffff;
1262     if (highword) *highword = req->new_high;
1263     return req->new_low;
1264 }
1265
1266
1267 /***********************************************************************
1268  *           _llseek16   (KERNEL.84)
1269  *
1270  * FIXME:
1271  *   Seeking before the start of the file should be allowed for _llseek16,
1272  *   but cause subsequent I/O operations to fail (cf. interrupt list)
1273  *
1274  */
1275 LONG WINAPI _llseek16( HFILE16 hFile, LONG lOffset, INT16 nOrigin )
1276 {
1277     return SetFilePointer( FILE_GetHandle(hFile), lOffset, NULL, nOrigin );
1278 }
1279
1280
1281 /***********************************************************************
1282  *           _llseek32   (KERNEL32.594)
1283  */
1284 LONG WINAPI _llseek( HFILE hFile, LONG lOffset, INT nOrigin )
1285 {
1286     return SetFilePointer( hFile, lOffset, NULL, nOrigin );
1287 }
1288
1289
1290 /***********************************************************************
1291  *           _lopen16   (KERNEL.85)
1292  */
1293 HFILE16 WINAPI _lopen16( LPCSTR path, INT16 mode )
1294 {
1295     return FILE_AllocDosHandle( _lopen( path, mode ) );
1296 }
1297
1298
1299 /***********************************************************************
1300  *           _lopen32   (KERNEL32.595)
1301  */
1302 HFILE WINAPI _lopen( LPCSTR path, INT mode )
1303 {
1304     DWORD access, sharing;
1305
1306     TRACE("('%s',%04x)\n", path, mode );
1307     FILE_ConvertOFMode( mode, &access, &sharing );
1308     return CreateFileA( path, access, sharing, NULL, OPEN_EXISTING, 0, -1 );
1309 }
1310
1311
1312 /***********************************************************************
1313  *           _lwrite16   (KERNEL.86)
1314  */
1315 UINT16 WINAPI _lwrite16( HFILE16 hFile, LPCSTR buffer, UINT16 count )
1316 {
1317     return (UINT16)_hwrite( FILE_GetHandle(hFile), buffer, (LONG)count );
1318 }
1319
1320 /***********************************************************************
1321  *           _lwrite32   (KERNEL32.761)
1322  */
1323 UINT WINAPI _lwrite( HFILE hFile, LPCSTR buffer, UINT count )
1324 {
1325     return (UINT)_hwrite( hFile, buffer, (LONG)count );
1326 }
1327
1328
1329 /***********************************************************************
1330  *           _hread16   (KERNEL.349)
1331  */
1332 LONG WINAPI _hread16( HFILE16 hFile, LPVOID buffer, LONG count)
1333 {
1334     return _lread( FILE_GetHandle(hFile), buffer, count );
1335 }
1336
1337
1338 /***********************************************************************
1339  *           _hread32   (KERNEL32.590)
1340  */
1341 LONG WINAPI _hread( HFILE hFile, LPVOID buffer, LONG count)
1342 {
1343     return _lread( hFile, buffer, count );
1344 }
1345
1346
1347 /***********************************************************************
1348  *           _hwrite16   (KERNEL.350)
1349  */
1350 LONG WINAPI _hwrite16( HFILE16 hFile, LPCSTR buffer, LONG count )
1351 {
1352     return _hwrite( FILE_GetHandle(hFile), buffer, count );
1353 }
1354
1355
1356 /***********************************************************************
1357  *           _hwrite32   (KERNEL32.591)
1358  *
1359  *      experimentation yields that _lwrite:
1360  *              o truncates the file at the current position with
1361  *                a 0 len write
1362  *              o returns 0 on a 0 length write
1363  *              o works with console handles
1364  *
1365  */
1366 LONG WINAPI _hwrite( HFILE handle, LPCSTR buffer, LONG count )
1367 {
1368     DWORD result;
1369
1370     TRACE("%d %p %ld\n", handle, buffer, count );
1371
1372     if (!count)
1373     {
1374         /* Expand or truncate at current position */
1375         if (!SetEndOfFile( handle )) return HFILE_ERROR;
1376         return 0;
1377     }
1378     if (!WriteFile( handle, buffer, count, &result, NULL ))
1379         return HFILE_ERROR;
1380     return result;
1381 }
1382
1383
1384 /***********************************************************************
1385  *           SetHandleCount16   (KERNEL.199)
1386  */
1387 UINT16 WINAPI SetHandleCount16( UINT16 count )
1388 {
1389     HGLOBAL16 hPDB = GetCurrentPDB16();
1390     PDB16 *pdb = (PDB16 *)GlobalLock16( hPDB );
1391     BYTE *files = PTR_SEG_TO_LIN( pdb->fileHandlesPtr );
1392
1393     TRACE("(%d)\n", count );
1394
1395     if (count < 20) count = 20;  /* No point in going below 20 */
1396     else if (count > 254) count = 254;
1397
1398     if (count == 20)
1399     {
1400         if (pdb->nbFiles > 20)
1401         {
1402             memcpy( pdb->fileHandles, files, 20 );
1403             GlobalFree16( pdb->hFileHandles );
1404             pdb->fileHandlesPtr = (SEGPTR)MAKELONG( 0x18,
1405                                                    GlobalHandleToSel16( hPDB ) );
1406             pdb->hFileHandles = 0;
1407             pdb->nbFiles = 20;
1408         }
1409     }
1410     else  /* More than 20, need a new file handles table */
1411     {
1412         BYTE *newfiles;
1413         HGLOBAL16 newhandle = GlobalAlloc16( GMEM_MOVEABLE, count );
1414         if (!newhandle)
1415         {
1416             SetLastError( ERROR_NOT_ENOUGH_MEMORY );
1417             return pdb->nbFiles;
1418         }
1419         newfiles = (BYTE *)GlobalLock16( newhandle );
1420
1421         if (count > pdb->nbFiles)
1422         {
1423             memcpy( newfiles, files, pdb->nbFiles );
1424             memset( newfiles + pdb->nbFiles, 0xff, count - pdb->nbFiles );
1425         }
1426         else memcpy( newfiles, files, count );
1427         if (pdb->nbFiles > 20) GlobalFree16( pdb->hFileHandles );
1428         pdb->fileHandlesPtr = WIN16_GlobalLock16( newhandle );
1429         pdb->hFileHandles   = newhandle;
1430         pdb->nbFiles = count;
1431     }
1432     return pdb->nbFiles;
1433 }
1434
1435
1436 /*************************************************************************
1437  *           SetHandleCount32   (KERNEL32.494)
1438  */
1439 UINT WINAPI SetHandleCount( UINT count )
1440 {
1441     return MIN( 256, count );
1442 }
1443
1444
1445 /***********************************************************************
1446  *           FlushFileBuffers   (KERNEL32.133)
1447  */
1448 BOOL WINAPI FlushFileBuffers( HANDLE hFile )
1449 {
1450     struct flush_file_request *req = get_req_buffer();
1451     req->handle = hFile;
1452     return !server_call( REQ_FLUSH_FILE );
1453 }
1454
1455
1456 /**************************************************************************
1457  *           SetEndOfFile   (KERNEL32.483)
1458  */
1459 BOOL WINAPI SetEndOfFile( HANDLE hFile )
1460 {
1461     struct truncate_file_request *req = get_req_buffer();
1462     req->handle = hFile;
1463     return !server_call( REQ_TRUNCATE_FILE );
1464 }
1465
1466
1467 /***********************************************************************
1468  *           DeleteFile16   (KERNEL.146)
1469  */
1470 BOOL16 WINAPI DeleteFile16( LPCSTR path )
1471 {
1472     return DeleteFileA( path );
1473 }
1474
1475
1476 /***********************************************************************
1477  *           DeleteFile32A   (KERNEL32.71)
1478  */
1479 BOOL WINAPI DeleteFileA( LPCSTR path )
1480 {
1481     DOS_FULL_NAME full_name;
1482
1483     TRACE("'%s'\n", path );
1484
1485     if (!*path)
1486     {
1487         ERR("Empty path passed\n");
1488         return FALSE;
1489     }
1490     if (DOSFS_GetDevice( path ))
1491     {
1492         WARN("cannot remove DOS device '%s'!\n", path);
1493         SetLastError( ERROR_FILE_NOT_FOUND );
1494         return FALSE;
1495     }
1496
1497     if (!DOSFS_GetFullName( path, TRUE, &full_name )) return FALSE;
1498     if (unlink( full_name.long_name ) == -1)
1499     {
1500         FILE_SetDosError();
1501         return FALSE;
1502     }
1503     return TRUE;
1504 }
1505
1506
1507 /***********************************************************************
1508  *           DeleteFile32W   (KERNEL32.72)
1509  */
1510 BOOL WINAPI DeleteFileW( LPCWSTR path )
1511 {
1512     LPSTR xpath = HEAP_strdupWtoA( GetProcessHeap(), 0, path );
1513     BOOL ret = DeleteFileA( xpath );
1514     HeapFree( GetProcessHeap(), 0, xpath );
1515     return ret;
1516 }
1517
1518
1519 /***********************************************************************
1520  *           FILE_dommap
1521  */
1522 LPVOID FILE_dommap( int unix_handle, LPVOID start,
1523                     DWORD size_high, DWORD size_low,
1524                     DWORD offset_high, DWORD offset_low,
1525                     int prot, int flags )
1526 {
1527     int fd = -1;
1528     int pos;
1529     LPVOID ret;
1530
1531     if (size_high || offset_high)
1532         FIXME("offsets larger than 4Gb not supported\n");
1533
1534     if (unix_handle == -1)
1535     {
1536 #ifdef MAP_ANON
1537         flags |= MAP_ANON;
1538 #else
1539         static int fdzero = -1;
1540
1541         if (fdzero == -1)
1542         {
1543             if ((fdzero = open( "/dev/zero", O_RDONLY )) == -1)
1544             {
1545                 perror( "/dev/zero: open" );
1546                 exit(1);
1547             }
1548         }
1549         fd = fdzero;
1550 #endif  /* MAP_ANON */
1551         /* Linux EINVAL's on us if we don't pass MAP_PRIVATE to an anon mmap */
1552 #ifdef MAP_SHARED
1553         flags &= ~MAP_SHARED;
1554 #endif
1555 #ifdef MAP_PRIVATE
1556         flags |= MAP_PRIVATE;
1557 #endif
1558     }
1559     else fd = unix_handle;
1560
1561     if ((ret = mmap( start, size_low, prot,
1562                      flags, fd, offset_low )) != (LPVOID)-1)
1563         return ret;
1564
1565     /* mmap() failed; if this is because the file offset is not    */
1566     /* page-aligned (EINVAL), or because the underlying filesystem */
1567     /* does not support mmap() (ENOEXEC), we do it by hand.        */
1568
1569     if (unix_handle == -1) return ret;
1570     if ((errno != ENOEXEC) && (errno != EINVAL)) return ret;
1571     if (prot & PROT_WRITE)
1572     {
1573         /* We cannot fake shared write mappings */
1574 #ifdef MAP_SHARED
1575         if (flags & MAP_SHARED) return ret;
1576 #endif
1577 #ifdef MAP_PRIVATE
1578         if (!(flags & MAP_PRIVATE)) return ret;
1579 #endif
1580     }
1581 /*    printf( "FILE_mmap: mmap failed (%d), faking it\n", errno );*/
1582     /* Reserve the memory with an anonymous mmap */
1583     ret = FILE_dommap( -1, start, size_high, size_low, 0, 0,
1584                        PROT_READ | PROT_WRITE, flags );
1585     if (ret == (LPVOID)-1) return ret;
1586     /* Now read in the file */
1587     if ((pos = lseek( fd, offset_low, SEEK_SET )) == -1)
1588     {
1589         FILE_munmap( ret, size_high, size_low );
1590         return (LPVOID)-1;
1591     }
1592     read( fd, ret, size_low );
1593     lseek( fd, pos, SEEK_SET );  /* Restore the file pointer */
1594     mprotect( ret, size_low, prot );  /* Set the right protection */
1595     return ret;
1596 }
1597
1598
1599 /***********************************************************************
1600  *           FILE_munmap
1601  */
1602 int FILE_munmap( LPVOID start, DWORD size_high, DWORD size_low )
1603 {
1604     if (size_high)
1605       FIXME("offsets larger than 4Gb not supported\n");
1606     return munmap( start, size_low );
1607 }
1608
1609
1610 /***********************************************************************
1611  *           GetFileType   (KERNEL32.222)
1612  */
1613 DWORD WINAPI GetFileType( HANDLE hFile )
1614 {
1615     struct get_file_info_request *req = get_req_buffer();
1616     req->handle = hFile;
1617     if (server_call( REQ_GET_FILE_INFO )) return FILE_TYPE_UNKNOWN;
1618     return req->type;
1619 }
1620
1621
1622 /**************************************************************************
1623  *           MoveFileEx32A   (KERNEL32.???)
1624  */
1625 BOOL WINAPI MoveFileExA( LPCSTR fn1, LPCSTR fn2, DWORD flag )
1626 {
1627     DOS_FULL_NAME full_name1, full_name2;
1628     int mode=0; /* mode == 1: use copy */
1629
1630     TRACE("(%s,%s,%04lx)\n", fn1, fn2, flag);
1631
1632     if (!DOSFS_GetFullName( fn1, TRUE, &full_name1 )) return FALSE;
1633     if (fn2) { /* !fn2 means delete fn1 */
1634       if (!DOSFS_GetFullName( fn2, FALSE, &full_name2 )) return FALSE;
1635       /* Source name and target path are valid */
1636       if ( full_name1.drive != full_name2.drive)
1637       {
1638         /* use copy, if allowed */
1639         if (!(flag & MOVEFILE_COPY_ALLOWED)) {
1640           /* FIXME: Use right error code */
1641           SetLastError( ERROR_FILE_EXISTS );
1642           return FALSE;
1643         }
1644         else mode =1;
1645       }
1646       if (DOSFS_GetFullName( fn2, TRUE, &full_name2 ))
1647         /* target exists, check if we may overwrite */
1648         if (!(flag & MOVEFILE_REPLACE_EXISTING)) {
1649           /* FIXME: Use right error code */
1650           SetLastError( ERROR_ACCESS_DENIED );
1651           return FALSE;
1652         }
1653     }
1654     else /* fn2 == NULL means delete source */
1655       if (flag & MOVEFILE_DELAY_UNTIL_REBOOT) {
1656         if (flag & MOVEFILE_COPY_ALLOWED) {
1657           WARN("Illegal flag\n");
1658           SetLastError( ERROR_GEN_FAILURE );
1659           return FALSE;
1660         }
1661         /* FIXME: (bon@elektron.ikp.physik.th-darmstadt.de 970706)
1662            Perhaps we should queue these command and execute it
1663            when exiting... What about using on_exit(2)
1664            */
1665         FIXME("Please delete file '%s' when Wine has finished\n",
1666               full_name1.long_name);
1667         return TRUE;
1668       }
1669       else if (unlink( full_name1.long_name ) == -1)
1670       {
1671         FILE_SetDosError();
1672         return FALSE;
1673       }
1674       else  return TRUE; /* successfully deleted */
1675
1676     if (flag & MOVEFILE_DELAY_UNTIL_REBOOT) {
1677         /* FIXME: (bon@elektron.ikp.physik.th-darmstadt.de 970706)
1678            Perhaps we should queue these command and execute it
1679            when exiting... What about using on_exit(2)
1680            */
1681         FIXME("Please move existing file '%s' to file '%s'"
1682               "when Wine has finished\n",
1683               full_name1.long_name, full_name2.long_name);
1684         return TRUE;
1685     }
1686
1687     if (!mode) /* move the file */
1688       if (rename( full_name1.long_name, full_name2.long_name ) == -1)
1689         {
1690           FILE_SetDosError();
1691           return FALSE;
1692         }
1693       else return TRUE;
1694     else /* copy File */
1695       return CopyFileA(fn1, fn2, (!(flag & MOVEFILE_REPLACE_EXISTING)));
1696
1697 }
1698
1699 /**************************************************************************
1700  *           MoveFileEx32W   (KERNEL32.???)
1701  */
1702 BOOL WINAPI MoveFileExW( LPCWSTR fn1, LPCWSTR fn2, DWORD flag )
1703 {
1704     LPSTR afn1 = HEAP_strdupWtoA( GetProcessHeap(), 0, fn1 );
1705     LPSTR afn2 = HEAP_strdupWtoA( GetProcessHeap(), 0, fn2 );
1706     BOOL res = MoveFileExA( afn1, afn2, flag );
1707     HeapFree( GetProcessHeap(), 0, afn1 );
1708     HeapFree( GetProcessHeap(), 0, afn2 );
1709     return res;
1710 }
1711
1712
1713 /**************************************************************************
1714  *           MoveFile32A   (KERNEL32.387)
1715  *
1716  *  Move file or directory
1717  */
1718 BOOL WINAPI MoveFileA( LPCSTR fn1, LPCSTR fn2 )
1719 {
1720     DOS_FULL_NAME full_name1, full_name2;
1721     struct stat fstat;
1722
1723     TRACE("(%s,%s)\n", fn1, fn2 );
1724
1725     if (!DOSFS_GetFullName( fn1, TRUE, &full_name1 )) return FALSE;
1726     if (DOSFS_GetFullName( fn2, TRUE, &full_name2 ))
1727       /* The new name must not already exist */
1728       return FALSE;
1729     if (!DOSFS_GetFullName( fn2, FALSE, &full_name2 )) return FALSE;
1730
1731     if (full_name1.drive == full_name2.drive) /* move */
1732     if (rename( full_name1.long_name, full_name2.long_name ) == -1)
1733     {
1734         FILE_SetDosError();
1735         return FALSE;
1736     }
1737       else return TRUE;
1738     else /*copy */ {
1739       if (stat(  full_name1.long_name, &fstat ))
1740         {
1741           WARN("Invalid source file %s\n",
1742                         full_name1.long_name);
1743           FILE_SetDosError();
1744           return FALSE;
1745         }
1746       if (S_ISDIR(fstat.st_mode)) {
1747         /* No Move for directories across file systems */
1748         /* FIXME: Use right error code */
1749         SetLastError( ERROR_GEN_FAILURE );
1750         return FALSE;
1751       }
1752       else
1753         return CopyFileA(fn1, fn2, TRUE); /*fail, if exist */
1754     }
1755 }
1756
1757
1758 /**************************************************************************
1759  *           MoveFile32W   (KERNEL32.390)
1760  */
1761 BOOL WINAPI MoveFileW( LPCWSTR fn1, LPCWSTR fn2 )
1762 {
1763     LPSTR afn1 = HEAP_strdupWtoA( GetProcessHeap(), 0, fn1 );
1764     LPSTR afn2 = HEAP_strdupWtoA( GetProcessHeap(), 0, fn2 );
1765     BOOL res = MoveFileA( afn1, afn2 );
1766     HeapFree( GetProcessHeap(), 0, afn1 );
1767     HeapFree( GetProcessHeap(), 0, afn2 );
1768     return res;
1769 }
1770
1771
1772 /**************************************************************************
1773  *           CopyFile32A   (KERNEL32.36)
1774  */
1775 BOOL WINAPI CopyFileA( LPCSTR source, LPCSTR dest, BOOL fail_if_exists )
1776 {
1777     HFILE h1, h2;
1778     BY_HANDLE_FILE_INFORMATION info;
1779     UINT count;
1780     BOOL ret = FALSE;
1781     int mode;
1782     char buffer[2048];
1783
1784     if ((h1 = _lopen( source, OF_READ )) == HFILE_ERROR) return FALSE;
1785     if (!GetFileInformationByHandle( h1, &info ))
1786     {
1787         CloseHandle( h1 );
1788         return FALSE;
1789     }
1790     mode = (info.dwFileAttributes & FILE_ATTRIBUTE_READONLY) ? 0444 : 0666;
1791     if ((h2 = CreateFileA( dest, GENERIC_WRITE, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL,
1792                              fail_if_exists ? CREATE_NEW : CREATE_ALWAYS,
1793                              info.dwFileAttributes, h1 )) == HFILE_ERROR)
1794     {
1795         CloseHandle( h1 );
1796         return FALSE;
1797     }
1798     while ((count = _lread( h1, buffer, sizeof(buffer) )) > 0)
1799     {
1800         char *p = buffer;
1801         while (count > 0)
1802         {
1803             INT res = _lwrite( h2, p, count );
1804             if (res <= 0) goto done;
1805             p += res;
1806             count -= res;
1807         }
1808     }
1809     ret =  TRUE;
1810 done:
1811     CloseHandle( h1 );
1812     CloseHandle( h2 );
1813     return ret;
1814 }
1815
1816
1817 /**************************************************************************
1818  *           CopyFile32W   (KERNEL32.37)
1819  */
1820 BOOL WINAPI CopyFileW( LPCWSTR source, LPCWSTR dest, BOOL fail_if_exists)
1821 {
1822     LPSTR sourceA = HEAP_strdupWtoA( GetProcessHeap(), 0, source );
1823     LPSTR destA   = HEAP_strdupWtoA( GetProcessHeap(), 0, dest );
1824     BOOL ret = CopyFileA( sourceA, destA, fail_if_exists );
1825     HeapFree( GetProcessHeap(), 0, sourceA );
1826     HeapFree( GetProcessHeap(), 0, destA );
1827     return ret;
1828 }
1829
1830
1831 /**************************************************************************
1832  *           CopyFileEx32A   (KERNEL32.858)
1833  *
1834  * This implementation ignores most of the extra parameters passed-in into
1835  * the "ex" version of the method and calls the CopyFile method.
1836  * It will have to be fixed eventually.
1837  */
1838 BOOL WINAPI CopyFileExA(LPCSTR             sourceFilename,
1839                            LPCSTR             destFilename,
1840                            LPPROGRESS_ROUTINE progressRoutine,
1841                            LPVOID             appData,
1842                            LPBOOL           cancelFlagPointer,
1843                            DWORD              copyFlags)
1844 {
1845   BOOL failIfExists = FALSE;
1846
1847   /*
1848    * Interpret the only flag that CopyFile can interpret.
1849    */
1850   if ( (copyFlags & COPY_FILE_FAIL_IF_EXISTS) != 0)
1851   {
1852     failIfExists = TRUE;
1853   }
1854
1855   return CopyFileA(sourceFilename, destFilename, failIfExists);
1856 }
1857
1858 /**************************************************************************
1859  *           CopyFileEx32W   (KERNEL32.859)
1860  */
1861 BOOL WINAPI CopyFileExW(LPCWSTR            sourceFilename,
1862                            LPCWSTR            destFilename,
1863                            LPPROGRESS_ROUTINE progressRoutine,
1864                            LPVOID             appData,
1865                            LPBOOL           cancelFlagPointer,
1866                            DWORD              copyFlags)
1867 {
1868     LPSTR sourceA = HEAP_strdupWtoA( GetProcessHeap(), 0, sourceFilename );
1869     LPSTR destA   = HEAP_strdupWtoA( GetProcessHeap(), 0, destFilename );
1870
1871     BOOL ret = CopyFileExA(sourceA,
1872                               destA,
1873                               progressRoutine,
1874                               appData,
1875                               cancelFlagPointer,
1876                               copyFlags);
1877
1878     HeapFree( GetProcessHeap(), 0, sourceA );
1879     HeapFree( GetProcessHeap(), 0, destA );
1880
1881     return ret;
1882 }
1883
1884
1885 /***********************************************************************
1886  *              SetFileTime   (KERNEL32.650)
1887  */
1888 BOOL WINAPI SetFileTime( HANDLE hFile,
1889                            const FILETIME *lpCreationTime,
1890                            const FILETIME *lpLastAccessTime,
1891                            const FILETIME *lpLastWriteTime )
1892 {
1893     struct set_file_time_request *req = get_req_buffer();
1894
1895     req->handle = hFile;
1896     if (lpLastAccessTime)
1897         req->access_time = DOSFS_FileTimeToUnixTime(lpLastAccessTime, NULL);
1898     else
1899         req->access_time = 0; /* FIXME */
1900     if (lpLastWriteTime)
1901         req->write_time = DOSFS_FileTimeToUnixTime(lpLastWriteTime, NULL);
1902     else
1903         req->write_time = 0; /* FIXME */
1904     return !server_call( REQ_SET_FILE_TIME );
1905 }
1906
1907
1908 /**************************************************************************
1909  *           LockFile   (KERNEL32.511)
1910  */
1911 BOOL WINAPI LockFile( HANDLE hFile, DWORD dwFileOffsetLow, DWORD dwFileOffsetHigh,
1912                         DWORD nNumberOfBytesToLockLow, DWORD nNumberOfBytesToLockHigh )
1913 {
1914     struct lock_file_request *req = get_req_buffer();
1915
1916     req->handle      = hFile;
1917     req->offset_low  = dwFileOffsetLow;
1918     req->offset_high = dwFileOffsetHigh;
1919     req->count_low   = nNumberOfBytesToLockLow;
1920     req->count_high  = nNumberOfBytesToLockHigh;
1921     return !server_call( REQ_LOCK_FILE );
1922 }
1923
1924 /**************************************************************************
1925  * LockFileEx [KERNEL32.512]
1926  *
1927  * Locks a byte range within an open file for shared or exclusive access.
1928  *
1929  * RETURNS
1930  *   success: TRUE
1931  *   failure: FALSE
1932  * NOTES
1933  *
1934  * Per Microsoft docs, the third parameter (reserved) must be set to 0.
1935  */
1936 BOOL WINAPI LockFileEx( HANDLE hFile, DWORD flags, DWORD reserved,
1937                       DWORD nNumberOfBytesToLockLow, DWORD nNumberOfBytesToLockHigh,
1938                       LPOVERLAPPED pOverlapped )
1939 {
1940     FIXME("hFile=%d,flags=%ld,reserved=%ld,lowbytes=%ld,highbytes=%ld,overlapped=%p: stub.\n",
1941           hFile, flags, reserved, nNumberOfBytesToLockLow, nNumberOfBytesToLockHigh,
1942           pOverlapped);
1943     if (reserved == 0)
1944         SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
1945     else
1946     {
1947         ERR("reserved == %ld: Supposed to be 0??\n", reserved);
1948         SetLastError(ERROR_INVALID_PARAMETER);
1949     }
1950
1951     return FALSE;
1952 }
1953
1954
1955 /**************************************************************************
1956  *           UnlockFile   (KERNEL32.703)
1957  */
1958 BOOL WINAPI UnlockFile( HANDLE hFile, DWORD dwFileOffsetLow, DWORD dwFileOffsetHigh,
1959                           DWORD nNumberOfBytesToUnlockLow, DWORD nNumberOfBytesToUnlockHigh )
1960 {
1961     struct unlock_file_request *req = get_req_buffer();
1962
1963     req->handle      = hFile;
1964     req->offset_low  = dwFileOffsetLow;
1965     req->offset_high = dwFileOffsetHigh;
1966     req->count_low   = nNumberOfBytesToUnlockLow;
1967     req->count_high  = nNumberOfBytesToUnlockHigh;
1968     return !server_call( REQ_UNLOCK_FILE );
1969 }
1970
1971
1972 /**************************************************************************
1973  *           UnlockFileEx   (KERNEL32.705)
1974  */
1975 BOOL WINAPI UnlockFileEx(
1976                 HFILE hFile,
1977                 DWORD dwReserved,
1978                 DWORD nNumberOfBytesToUnlockLow,
1979                 DWORD nNumberOfBytesToUnlockHigh,
1980                 LPOVERLAPPED lpOverlapped
1981 )
1982 {
1983         FIXME("hFile=%d,reserved=%ld,lowbytes=%ld,highbytes=%ld,overlapped=%p: stub.\n",
1984           hFile, dwReserved, nNumberOfBytesToUnlockLow, nNumberOfBytesToUnlockHigh,
1985           lpOverlapped);
1986         if (dwReserved == 0)
1987                 SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
1988         else
1989         {
1990                 ERR("reserved == %ld: Supposed to be 0??\n", dwReserved);
1991                 SetLastError(ERROR_INVALID_PARAMETER);
1992         }
1993
1994         return FALSE;
1995 }
1996
1997
1998 #if 0
1999
2000 struct DOS_FILE_LOCK {
2001   struct DOS_FILE_LOCK *        next;
2002   DWORD                         base;
2003   DWORD                         len;
2004   DWORD                         processId;
2005   FILE_OBJECT *                 dos_file;
2006 /*  char *                      unix_name;*/
2007 };
2008
2009 typedef struct DOS_FILE_LOCK DOS_FILE_LOCK;
2010
2011 static DOS_FILE_LOCK *locks = NULL;
2012 static void DOS_RemoveFileLocks(FILE_OBJECT *file);
2013
2014
2015 /* Locks need to be mirrored because unix file locking is based
2016  * on the pid. Inside of wine there can be multiple WINE processes
2017  * that share the same unix pid.
2018  * Read's and writes should check these locks also - not sure
2019  * how critical that is at this point (FIXME).
2020  */
2021
2022 static BOOL DOS_AddLock(FILE_OBJECT *file, struct flock *f)
2023 {
2024   DOS_FILE_LOCK *curr;
2025   DWORD         processId;
2026
2027   processId = GetCurrentProcessId();
2028
2029   /* check if lock overlaps a current lock for the same file */
2030 #if 0
2031   for (curr = locks; curr; curr = curr->next) {
2032     if (strcmp(curr->unix_name, file->unix_name) == 0) {
2033       if ((f->l_start == curr->base) && (f->l_len == curr->len))
2034         return TRUE;/* region is identic */
2035       if ((f->l_start < (curr->base + curr->len)) &&
2036           ((f->l_start + f->l_len) > curr->base)) {
2037         /* region overlaps */
2038         return FALSE;
2039       }
2040     }
2041   }
2042 #endif
2043
2044   curr = HeapAlloc( SystemHeap, 0, sizeof(DOS_FILE_LOCK) );
2045   curr->processId = GetCurrentProcessId();
2046   curr->base = f->l_start;
2047   curr->len = f->l_len;
2048 /*  curr->unix_name = HEAP_strdupA( SystemHeap, 0, file->unix_name);*/
2049   curr->next = locks;
2050   curr->dos_file = file;
2051   locks = curr;
2052   return TRUE;
2053 }
2054
2055 static void DOS_RemoveFileLocks(FILE_OBJECT *file)
2056 {
2057   DWORD         processId;
2058   DOS_FILE_LOCK **curr;
2059   DOS_FILE_LOCK *rem;
2060
2061   processId = GetCurrentProcessId();
2062   curr = &locks;
2063   while (*curr) {
2064     if ((*curr)->dos_file == file) {
2065       rem = *curr;
2066       *curr = (*curr)->next;
2067 /*      HeapFree( SystemHeap, 0, rem->unix_name );*/
2068       HeapFree( SystemHeap, 0, rem );
2069     }
2070     else
2071       curr = &(*curr)->next;
2072   }
2073 }
2074
2075 static BOOL DOS_RemoveLock(FILE_OBJECT *file, struct flock *f)
2076 {
2077   DWORD         processId;
2078   DOS_FILE_LOCK **curr;
2079   DOS_FILE_LOCK *rem;
2080
2081   processId = GetCurrentProcessId();
2082   for (curr = &locks; *curr; curr = &(*curr)->next) {
2083     if ((*curr)->processId == processId &&
2084         (*curr)->dos_file == file &&
2085         (*curr)->base == f->l_start &&
2086         (*curr)->len == f->l_len) {
2087       /* this is the same lock */
2088       rem = *curr;
2089       *curr = (*curr)->next;
2090 /*      HeapFree( SystemHeap, 0, rem->unix_name );*/
2091       HeapFree( SystemHeap, 0, rem );
2092       return TRUE;
2093     }
2094   }
2095   /* no matching lock found */
2096   return FALSE;
2097 }
2098
2099
2100 /**************************************************************************
2101  *           LockFile   (KERNEL32.511)
2102  */
2103 BOOL WINAPI LockFile(
2104         HFILE hFile,DWORD dwFileOffsetLow,DWORD dwFileOffsetHigh,
2105         DWORD nNumberOfBytesToLockLow,DWORD nNumberOfBytesToLockHigh )
2106 {
2107   struct flock f;
2108   FILE_OBJECT *file;
2109
2110   TRACE("handle %d offsetlow=%ld offsethigh=%ld nbyteslow=%ld nbyteshigh=%ld\n",
2111                hFile, dwFileOffsetLow, dwFileOffsetHigh,
2112                nNumberOfBytesToLockLow, nNumberOfBytesToLockHigh);
2113
2114   if (dwFileOffsetHigh || nNumberOfBytesToLockHigh) {
2115     FIXME("Unimplemented bytes > 32bits\n");
2116     return FALSE;
2117   }
2118
2119   f.l_start = dwFileOffsetLow;
2120   f.l_len = nNumberOfBytesToLockLow;
2121   f.l_whence = SEEK_SET;
2122   f.l_pid = 0;
2123   f.l_type = F_WRLCK;
2124
2125   if (!(file = FILE_GetFile(hFile,0,NULL))) return FALSE;
2126
2127   /* shadow locks internally */
2128   if (!DOS_AddLock(file, &f)) {
2129     SetLastError( ERROR_LOCK_VIOLATION );
2130     return FALSE;
2131   }
2132
2133   /* FIXME: Unix locking commented out for now, doesn't work with Excel */
2134 #ifdef USE_UNIX_LOCKS
2135   if (fcntl(file->unix_handle, F_SETLK, &f) == -1) {
2136     if (errno == EACCES || errno == EAGAIN) {
2137       SetLastError( ERROR_LOCK_VIOLATION );
2138     }
2139     else {
2140       FILE_SetDosError();
2141     }
2142     /* remove our internal copy of the lock */
2143     DOS_RemoveLock(file, &f);
2144     return FALSE;
2145   }
2146 #endif
2147   return TRUE;
2148 }
2149
2150
2151 /**************************************************************************
2152  *           UnlockFile   (KERNEL32.703)
2153  */
2154 BOOL WINAPI UnlockFile(
2155         HFILE hFile,DWORD dwFileOffsetLow,DWORD dwFileOffsetHigh,
2156         DWORD nNumberOfBytesToUnlockLow,DWORD nNumberOfBytesToUnlockHigh )
2157 {
2158   FILE_OBJECT *file;
2159   struct flock f;
2160
2161   TRACE("handle %d offsetlow=%ld offsethigh=%ld nbyteslow=%ld nbyteshigh=%ld\n",
2162                hFile, dwFileOffsetLow, dwFileOffsetHigh,
2163                nNumberOfBytesToUnlockLow, nNumberOfBytesToUnlockHigh);
2164
2165   if (dwFileOffsetHigh || nNumberOfBytesToUnlockHigh) {
2166     WARN("Unimplemented bytes > 32bits\n");
2167     return FALSE;
2168   }
2169
2170   f.l_start = dwFileOffsetLow;
2171   f.l_len = nNumberOfBytesToUnlockLow;
2172   f.l_whence = SEEK_SET;
2173   f.l_pid = 0;
2174   f.l_type = F_UNLCK;
2175
2176   if (!(file = FILE_GetFile(hFile,0,NULL))) return FALSE;
2177
2178   DOS_RemoveLock(file, &f);     /* ok if fails - may be another wine */
2179
2180   /* FIXME: Unix locking commented out for now, doesn't work with Excel */
2181 #ifdef USE_UNIX_LOCKS
2182   if (fcntl(file->unix_handle, F_SETLK, &f) == -1) {
2183     FILE_SetDosError();
2184     return FALSE;
2185   }
2186 #endif
2187   return TRUE;
2188 }
2189 #endif
2190
2191 /**************************************************************************
2192  * GetFileAttributesEx32A [KERNEL32.874]
2193  */
2194 BOOL WINAPI GetFileAttributesExA(
2195         LPCSTR lpFileName, GET_FILEEX_INFO_LEVELS fInfoLevelId,
2196         LPVOID lpFileInformation)
2197 {
2198     DOS_FULL_NAME full_name;
2199     BY_HANDLE_FILE_INFORMATION info;
2200
2201     if (lpFileName == NULL) return FALSE;
2202     if (lpFileInformation == NULL) return FALSE;
2203
2204     if (fInfoLevelId == GetFileExInfoStandard) {
2205         LPWIN32_FILE_ATTRIBUTE_DATA lpFad =
2206             (LPWIN32_FILE_ATTRIBUTE_DATA) lpFileInformation;
2207         if (!DOSFS_GetFullName( lpFileName, TRUE, &full_name )) return FALSE;
2208         if (!FILE_Stat( full_name.long_name, &info )) return FALSE;
2209
2210         lpFad->dwFileAttributes = info.dwFileAttributes;
2211         lpFad->ftCreationTime   = info.ftCreationTime;
2212         lpFad->ftLastAccessTime = info.ftLastAccessTime;
2213         lpFad->ftLastWriteTime  = info.ftLastWriteTime;
2214         lpFad->nFileSizeHigh    = info.nFileSizeHigh;
2215         lpFad->nFileSizeLow     = info.nFileSizeLow;
2216     }
2217     else {
2218         FIXME("invalid info level %d!\n", fInfoLevelId);
2219         return FALSE;
2220     }
2221
2222     return TRUE;
2223 }
2224
2225
2226 /**************************************************************************
2227  * GetFileAttributesEx32W [KERNEL32.875]
2228  */
2229 BOOL WINAPI GetFileAttributesExW(
2230         LPCWSTR lpFileName, GET_FILEEX_INFO_LEVELS fInfoLevelId,
2231         LPVOID lpFileInformation)
2232 {
2233     LPSTR nameA = HEAP_strdupWtoA( GetProcessHeap(), 0, lpFileName );
2234     BOOL res =
2235         GetFileAttributesExA( nameA, fInfoLevelId, lpFileInformation);
2236     HeapFree( GetProcessHeap(), 0, nameA );
2237     return res;
2238 }