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 <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         perror( "FILE_SetDosError: unknown 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_CreateFile
 323  *
 324  * Implementation of CreateFile. Takes a Unix path name.
 325  */
 326 HANDLE FILE_CreateFile( LPCSTR filename, DWORD access, DWORD sharing,
 327                         LPSECURITY_ATTRIBUTES sa, DWORD creation,
 328                         DWORD attributes, HANDLE template, BOOL fail_read_only )
 329 {
 330     DWORD err;
 331     struct create_file_request *req = get_req_buffer();
 332
 333  restart:
 334     req->access  = access;
 335     req->inherit = (sa && (sa->nLength>=sizeof(*sa)) && sa->bInheritHandle);
 336     req->sharing = sharing;
 337     req->create  = creation;
 338     req->attrs   = attributes;
 339     lstrcpynA( req->name, filename, server_remaining(req->name) );
 340     SetLastError(0);
 341     err = server_call( REQ_CREATE_FILE );
 342
 343     /* If write access failed, retry without GENERIC_WRITE */
 344
 345     if ((req->handle == -1) && !fail_read_only && (access & GENERIC_WRITE))
 346     {
 347         if ((err == STATUS_MEDIA_WRITE_PROTECTED) || (err == STATUS_ACCESS_DENIED))
 348         {
 349             TRACE("Write access failed for file '%s', trying without "
 350                   "write access\n", filename);
 351             access &= ~GENERIC_WRITE;
 352             goto restart;
 353         }
 354     }
 355
 356     if (req->handle == -1)
 357         WARN("Unable to create file '%s' (GLE %ld)\n", filename,
 358              GetLastError());
 359
 360     return req->handle;
 361 }
 362
 363
 364 /***********************************************************************
 365  *           FILE_CreateDevice
 366  *
 367  * Same as FILE_CreateFile but for a device
 368  */
 369 HFILE FILE_CreateDevice( int client_id, DWORD access, LPSECURITY_ATTRIBUTES sa )
 370 {
 371     struct create_device_request *req = get_req_buffer();
 372
 373     req->access  = access;
 374     req->inherit = (sa && (sa->nLength>=sizeof(*sa)) && sa->bInheritHandle);
 375     req->id      = client_id;
 376     SetLastError(0);
 377     server_call( REQ_CREATE_DEVICE );
 378     return req->handle;
 379 }
 380
 381
 382 /*************************************************************************
 383  * CreateFileA [KERNEL32.45]  Creates or opens a file or other object
 384  *
 385  * Creates or opens an object, and returns a handle that can be used to
 386  * access that object.
 387  *
 388  * PARAMS
 389  *
 390  * filename     [I] pointer to filename to be accessed
 391  * access       [I] access mode requested
 392  * sharing      [I] share mode
 393  * sa           [I] pointer to security attributes
 394  * creation     [I] how to create the file
 395  * attributes   [I] attributes for newly created file
 396  * template     [I] handle to file with extended attributes to copy
 397  *
 398  * RETURNS
 399  *   Success: Open handle to specified file
 400  *   Failure: INVALID_HANDLE_VALUE
 401  *
 402  * NOTES
 403  *  Should call SetLastError() on failure.
 404  *
 405  * BUGS
 406  *
 407  * Doesn't support character devices, pipes, template files, or a
 408  * lot of the 'attributes' flags yet.
 409  */
 410 HANDLE WINAPI CreateFileA( LPCSTR filename, DWORD access, DWORD sharing,
 411                               LPSECURITY_ATTRIBUTES sa, DWORD creation,
 412                               DWORD attributes, HANDLE template )
 413 {
 414     DOS_FULL_NAME full_name;
 415
 416     if (!filename)
 417     {
 418         SetLastError( ERROR_INVALID_PARAMETER );
 419         return HFILE_ERROR;
 420     }
 421     TRACE("%s %s%s%s%s%s%s%s\n",filename,
 422           ((access & GENERIC_READ)==GENERIC_READ)?"GENERIC_READ ":"",
 423           ((access & GENERIC_WRITE)==GENERIC_WRITE)?"GENERIC_WRITE ":"",
 424           (!access)?"QUERY_ACCESS ":"",
 425           ((sharing & FILE_SHARE_READ)==FILE_SHARE_READ)?"FILE_SHARE_READ ":"",
 426           ((sharing & FILE_SHARE_WRITE)==FILE_SHARE_WRITE)?"FILE_SHARE_WRITE ":"",
 427           ((sharing & FILE_SHARE_DELETE)==FILE_SHARE_DELETE)?"FILE_SHARE_DELETE ":"",
 428           (creation ==CREATE_NEW)?"CREATE_NEW":
 429           (creation ==CREATE_ALWAYS)?"CREATE_ALWAYS ":
 430           (creation ==OPEN_EXISTING)?"OPEN_EXISTING ":
 431           (creation ==OPEN_ALWAYS)?"OPEN_ALWAYS ":
 432           (creation ==TRUNCATE_EXISTING)?"TRUNCATE_EXISTING ":"");
 433
 434     /* If the name starts with '\\?\', ignore the first 4 chars. */
 435     if (!strncmp(filename, "\\\\?\\", 4))
 436     {
 437         filename += 4;
 438         if (!strncmp(filename, "UNC\\", 4))
 439         {
 440             FIXME("UNC name (%s) not supported.\n", filename );
 441             SetLastError( ERROR_PATH_NOT_FOUND );
 442             return HFILE_ERROR;
 443         }
 444     }
 445
 446     if (!strncmp(filename, "\\\\.\\", 4)) {
 447         if (!DOSFS_GetDevice( filename ))
 448                 return DEVICE_Open( filename+4, access, sa );
 449         else
 450                 filename+=4; /* fall into DOSFS_Device case below */
 451     }
 452
 453     /* If the name still starts with '\\', it's a UNC name. */
 454     if (!strncmp(filename, "\\\\", 2))
 455     {
 456         FIXME("UNC name (%s) not supported.\n", filename );
 457         SetLastError( ERROR_PATH_NOT_FOUND );
 458         return HFILE_ERROR;
 459     }
 460
 461     /* If the name contains a DOS wild card (* or ?), do no create a file */
 462     if(strchr(filename,'*') || strchr(filename,'?'))
 463         return HFILE_ERROR;
 464
 465     /* Open a console for CONIN$ or CONOUT$ */
 466     if (!strcasecmp(filename, "CONIN$")) return CONSOLE_OpenHandle( FALSE, access, sa );
 467     if (!strcasecmp(filename, "CONOUT$")) return CONSOLE_OpenHandle( TRUE, access, sa );
 468
 469     if (DOSFS_GetDevice( filename ))
 470     {
 471         HFILE   ret;
 472
 473         TRACE("opening device '%s'\n", filename );
 474
 475         if (HFILE_ERROR!=(ret=DOSFS_OpenDevice( filename, access )))
 476                 return ret;
 477
 478         /* Do not silence this please. It is a critical error. -MM */
 479         ERR("Couldn't open device '%s'!\n",filename);
 480         SetLastError( ERROR_FILE_NOT_FOUND );
 481         return HFILE_ERROR;
 482     }
 483
 484     /* check for filename, don't check for last entry if creating */
 485     if (!DOSFS_GetFullName( filename,
 486                             (creation == OPEN_EXISTING) ||
 487                             (creation == TRUNCATE_EXISTING),
 488                             &full_name )) {
 489         WARN("Unable to get full filename from '%s' (GLE %ld)\n",
 490              filename, GetLastError());
 491         return HFILE_ERROR;
 492     }
 493
 494     return FILE_CreateFile( full_name.long_name, access, sharing,
 495                             sa, creation, attributes, template,
 496                             DRIVE_GetFlags(full_name.drive) & DRIVE_FAIL_READ_ONLY );
 497 }
 498
 499
 500
 501 /*************************************************************************
 502  *              CreateFileW              (KERNEL32.48)
 503  */
 504 HANDLE WINAPI CreateFileW( LPCWSTR filename, DWORD access, DWORD sharing,
 505                               LPSECURITY_ATTRIBUTES sa, DWORD creation,
 506                               DWORD attributes, HANDLE template)
 507 {
 508     LPSTR afn = HEAP_strdupWtoA( GetProcessHeap(), 0, filename );
 509     HANDLE res = CreateFileA( afn, access, sharing, sa, creation, attributes, template );
 510     HeapFree( GetProcessHeap(), 0, afn );
 511     return res;
 512 }
 513
 514
 515 /***********************************************************************
 516  *           FILE_FillInfo
 517  *
 518  * Fill a file information from a struct stat.
 519  */
 520 static void FILE_FillInfo( struct stat *st, BY_HANDLE_FILE_INFORMATION *info )
 521 {
 522     if (S_ISDIR(st->st_mode))
 523         info->dwFileAttributes = FILE_ATTRIBUTE_DIRECTORY;
 524     else
 525         info->dwFileAttributes = FILE_ATTRIBUTE_ARCHIVE;
 526     if (!(st->st_mode & S_IWUSR))
 527         info->dwFileAttributes |= FILE_ATTRIBUTE_READONLY;
 528
 529     RtlSecondsSince1970ToTime( st->st_mtime, &info->ftCreationTime );
 530     RtlSecondsSince1970ToTime( st->st_mtime, &info->ftLastWriteTime );
 531     RtlSecondsSince1970ToTime( st->st_atime, &info->ftLastAccessTime );
 532
 533     info->dwVolumeSerialNumber = 0;  /* FIXME */
 534     info->nFileSizeHigh = 0;
 535     info->nFileSizeLow  = S_ISDIR(st->st_mode) ? 0 : st->st_size;
 536     info->nNumberOfLinks = st->st_nlink;
 537     info->nFileIndexHigh = 0;
 538     info->nFileIndexLow  = st->st_ino;
 539 }
 540
 541
 542 /***********************************************************************
 543  *           FILE_Stat
 544  *
 545  * Stat a Unix path name. Return TRUE if OK.
 546  */
 547 BOOL FILE_Stat( LPCSTR unixName, BY_HANDLE_FILE_INFORMATION *info )
 548 {
 549     struct stat st;
 550
 551     if (!unixName || !info) return FALSE;
 552
 553     if (stat( unixName, &st ) == -1)
 554     {
 555         FILE_SetDosError();
 556         return FALSE;
 557     }
 558     FILE_FillInfo( &st, info );
 559     return TRUE;
 560 }
 561
 562
 563 /***********************************************************************
 564  *             GetFileInformationByHandle   (KERNEL32.219)
 565  */
 566 DWORD WINAPI GetFileInformationByHandle( HANDLE hFile,
 567                                          BY_HANDLE_FILE_INFORMATION *info )
 568 {
 569     struct get_file_info_request *req = get_req_buffer();
 570
 571     if (!info) return 0;
 572     req->handle = hFile;
 573     if (server_call( REQ_GET_FILE_INFO )) return 0;
 574     RtlSecondsSince1970ToTime( req->write_time, &info->ftCreationTime );
 575     RtlSecondsSince1970ToTime( req->write_time, &info->ftLastWriteTime );
 576     RtlSecondsSince1970ToTime( req->access_time, &info->ftLastAccessTime );
 577     info->dwFileAttributes     = req->attr;
 578     info->dwVolumeSerialNumber = req->serial;
 579     info->nFileSizeHigh        = req->size_high;
 580     info->nFileSizeLow         = req->size_low;
 581     info->nNumberOfLinks       = req->links;
 582     info->nFileIndexHigh       = req->index_high;
 583     info->nFileIndexLow        = req->index_low;
 584     return 1;
 585 }
 586
 587
 588 /**************************************************************************
 589  *           GetFileAttributes16   (KERNEL.420)
 590  */
 591 DWORD WINAPI GetFileAttributes16( LPCSTR name )
 592 {
 593     return GetFileAttributesA( name );
 594 }
 595
 596
 597 /**************************************************************************
 598  *           GetFileAttributesA   (KERNEL32.217)
 599  */
 600 DWORD WINAPI GetFileAttributesA( LPCSTR name )
 601 {
 602     DOS_FULL_NAME full_name;
 603     BY_HANDLE_FILE_INFORMATION info;
 604
 605     if (name == NULL || *name=='\0') return -1;
 606
 607     if (!DOSFS_GetFullName( name, TRUE, &full_name )) return -1;
 608     if (!FILE_Stat( full_name.long_name, &info )) return -1;
 609     return info.dwFileAttributes;
 610 }
 611
 612
 613 /**************************************************************************
 614  *           GetFileAttributesW   (KERNEL32.218)
 615  */
 616 DWORD WINAPI GetFileAttributesW( LPCWSTR name )
 617 {
 618     LPSTR nameA = HEAP_strdupWtoA( GetProcessHeap(), 0, name );
 619     DWORD res = GetFileAttributesA( nameA );
 620     HeapFree( GetProcessHeap(), 0, nameA );
 621     return res;
 622 }
 623
 624
 625 /***********************************************************************
 626  *           GetFileSize   (KERNEL32.220)
 627  */
 628 DWORD WINAPI GetFileSize( HANDLE hFile, LPDWORD filesizehigh )
 629 {
 630     BY_HANDLE_FILE_INFORMATION info;
 631     if (!GetFileInformationByHandle( hFile, &info )) return 0;
 632     if (filesizehigh) *filesizehigh = info.nFileSizeHigh;
 633     return info.nFileSizeLow;
 634 }
 635
 636
 637 /***********************************************************************
 638  *           GetFileTime   (KERNEL32.221)
 639  */
 640 BOOL WINAPI GetFileTime( HANDLE hFile, FILETIME *lpCreationTime,
 641                            FILETIME *lpLastAccessTime,
 642                            FILETIME *lpLastWriteTime )
 643 {
 644     BY_HANDLE_FILE_INFORMATION info;
 645     if (!GetFileInformationByHandle( hFile, &info )) return FALSE;
 646     if (lpCreationTime)   *lpCreationTime   = info.ftCreationTime;
 647     if (lpLastAccessTime) *lpLastAccessTime = info.ftLastAccessTime;
 648     if (lpLastWriteTime)  *lpLastWriteTime  = info.ftLastWriteTime;
 649     return TRUE;
 650 }
 651
 652 /***********************************************************************
 653  *           CompareFileTime   (KERNEL32.28)
 654  */
 655 INT WINAPI CompareFileTime( LPFILETIME x, LPFILETIME y )
 656 {
 657         if (!x || !y) return -1;
 658
 659         if (x->dwHighDateTime > y->dwHighDateTime)
 660                 return 1;
 661         if (x->dwHighDateTime < y->dwHighDateTime)
 662                 return -1;
 663         if (x->dwLowDateTime > y->dwLowDateTime)
 664                 return 1;
 665         if (x->dwLowDateTime < y->dwLowDateTime)
 666                 return -1;
 667         return 0;
 668 }
 669
 670 /***********************************************************************
 671  *           FILE_GetTempFileName : utility for GetTempFileName
 672  */
 673 static UINT FILE_GetTempFileName( LPCSTR path, LPCSTR prefix, UINT unique,
 674                                   LPSTR buffer, BOOL isWin16 )
 675 {
 676     static UINT unique_temp;
 677     DOS_FULL_NAME full_name;
 678     int i;
 679     LPSTR p;
 680     UINT num;
 681
 682     if ( !path || !prefix || !buffer ) return 0;
 683
 684     if (!unique_temp) unique_temp = time(NULL) & 0xffff;
 685     num = unique ? (unique & 0xffff) : (unique_temp++ & 0xffff);
 686
 687     strcpy( buffer, path );
 688     p = buffer + strlen(buffer);
 689
 690     /* add a \, if there isn't one and path is more than just the drive letter ... */
 691     if ( !((strlen(buffer) == 2) && (buffer[1] == ':'))
 692         && ((p == buffer) || (p[-1] != '\\'))) *p++ = '\\';
 693
 694     if (isWin16) *p++ = '~';
 695     for (i = 3; (i > 0) && (*prefix); i--) *p++ = *prefix++;
 696     sprintf( p, "%04x.tmp", num );
 697
 698     /* Now try to create it */
 699
 700     if (!unique)
 701     {
 702         do
 703         {
 704             HFILE handle = CreateFileA( buffer, GENERIC_WRITE, 0, NULL,
 705                                             CREATE_NEW, FILE_ATTRIBUTE_NORMAL, -1 );
 706             if (handle != INVALID_HANDLE_VALUE)
 707             {  /* We created it */
 708                 TRACE("created %s\n",
 709                               buffer);
 710                 CloseHandle( handle );
 711                 break;
 712             }
 713             if (GetLastError() != ERROR_FILE_EXISTS)
 714                 break;  /* No need to go on */
 715             num++;
 716             sprintf( p, "%04x.tmp", num );
 717         } while (num != (unique & 0xffff));
 718     }
 719
 720     /* Get the full path name */
 721
 722     if (DOSFS_GetFullName( buffer, FALSE, &full_name ))
 723     {
 724         /* Check if we have write access in the directory */
 725         if ((p = strrchr( full_name.long_name, '/' ))) *p = '\0';
 726         if (access( full_name.long_name, W_OK ) == -1)
 727             WARN("returns '%s', which doesn't seem to be writeable.\n",
 728                  buffer);
 729     }
 730     TRACE("returning %s\n", buffer );
 731     return unique ? unique : num;
 732 }
 733
 734
 735 /***********************************************************************
 736  *           GetTempFileNameA   (KERNEL32.290)
 737  */
 738 UINT WINAPI GetTempFileNameA( LPCSTR path, LPCSTR prefix, UINT unique,
 739                                   LPSTR buffer)
 740 {
 741     return FILE_GetTempFileName(path, prefix, unique, buffer, FALSE);
 742 }
 743
 744 /***********************************************************************
 745  *           GetTempFileNameW   (KERNEL32.291)
 746  */
 747 UINT WINAPI GetTempFileNameW( LPCWSTR path, LPCWSTR prefix, UINT unique,
 748                                   LPWSTR buffer )
 749 {
 750     LPSTR   patha,prefixa;
 751     char    buffera[144];
 752     UINT  ret;
 753
 754     if (!path) return 0;
 755     patha   = HEAP_strdupWtoA( GetProcessHeap(), 0, path );
 756     prefixa = HEAP_strdupWtoA( GetProcessHeap(), 0, prefix );
 757     ret     = FILE_GetTempFileName( patha, prefixa, unique, buffera, FALSE );
 758     lstrcpyAtoW( buffer, buffera );
 759     HeapFree( GetProcessHeap(), 0, patha );
 760     HeapFree( GetProcessHeap(), 0, prefixa );
 761     return ret;
 762 }
 763
 764
 765 /***********************************************************************
 766  *           GetTempFileName16   (KERNEL.97)
 767  */
 768 UINT16 WINAPI GetTempFileName16( BYTE drive, LPCSTR prefix, UINT16 unique,
 769                                  LPSTR buffer )
 770 {
 771     char temppath[144];
 772
 773     if (!(drive & ~TF_FORCEDRIVE)) /* drive 0 means current default drive */
 774         drive |= DRIVE_GetCurrentDrive() + 'A';
 775
 776     if ((drive & TF_FORCEDRIVE) &&
 777         !DRIVE_IsValid( toupper(drive & ~TF_FORCEDRIVE) - 'A' ))
 778     {
 779         drive &= ~TF_FORCEDRIVE;
 780         WARN("invalid drive %d specified\n", drive );
 781     }
 782
 783     if (drive & TF_FORCEDRIVE)
 784         sprintf(temppath,"%c:", drive & ~TF_FORCEDRIVE );
 785     else
 786         GetTempPathA( 132, temppath );
 787     return (UINT16)FILE_GetTempFileName( temppath, prefix, unique, buffer, TRUE );
 788 }
 789
 790 /***********************************************************************
 791  *           FILE_DoOpenFile
 792  *
 793  * Implementation of OpenFile16() and OpenFile32().
 794  */
 795 static HFILE FILE_DoOpenFile( LPCSTR name, OFSTRUCT *ofs, UINT mode,
 796                                 BOOL win32 )
 797 {
 798     HFILE hFileRet;
 799     FILETIME filetime;
 800     WORD filedatetime[2];
 801     DOS_FULL_NAME full_name;
 802     DWORD access, sharing;
 803     char *p;
 804
 805     if (!ofs) return HFILE_ERROR;
 806
 807     TRACE("%s %s %s %s%s%s%s%s%s%s%s%s\n",name,
 808           ((mode & 0x3 )==OF_READ)?"OF_READ":
 809           ((mode & 0x3 )==OF_WRITE)?"OF_WRITE":
 810           ((mode & 0x3 )==OF_READWRITE)?"OF_READWRITE":"unknown",
 811           ((mode & 0x70 )==OF_SHARE_COMPAT)?"OF_SHARE_COMPAT":
 812           ((mode & 0x70 )==OF_SHARE_DENY_NONE)?"OF_SHARE_DENY_NONE":
 813           ((mode & 0x70 )==OF_SHARE_DENY_READ)?"OF_SHARE_DENY_READ":
 814           ((mode & 0x70 )==OF_SHARE_DENY_WRITE)?"OF_SHARE_DENY_WRITE":
 815           ((mode & 0x70 )==OF_SHARE_EXCLUSIVE)?"OF_SHARE_EXCLUSIVE":"unknown",
 816           ((mode & OF_PARSE )==OF_PARSE)?"OF_PARSE ":"",
 817           ((mode & OF_DELETE )==OF_DELETE)?"OF_DELETE ":"",
 818           ((mode & OF_VERIFY )==OF_VERIFY)?"OF_VERIFY ":"",
 819           ((mode & OF_SEARCH )==OF_SEARCH)?"OF_SEARCH ":"",
 820           ((mode & OF_CANCEL )==OF_CANCEL)?"OF_CANCEL ":"",
 821           ((mode & OF_CREATE )==OF_CREATE)?"OF_CREATE ":"",
 822           ((mode & OF_PROMPT )==OF_PROMPT)?"OF_PROMPT ":"",
 823           ((mode & OF_EXIST )==OF_EXIST)?"OF_EXIST ":"",
 824           ((mode & OF_REOPEN )==OF_REOPEN)?"OF_REOPEN ":""
 825           );
 826
 827
 828     ofs->cBytes = sizeof(OFSTRUCT);
 829     ofs->nErrCode = 0;
 830     if (mode & OF_REOPEN) name = ofs->szPathName;
 831
 832     if (!name) {
 833         ERR("called with `name' set to NULL ! Please debug.\n");
 834         return HFILE_ERROR;
 835     }
 836
 837     TRACE("%s %04x\n", name, mode );
 838
 839     /* the watcom 10.6 IDE relies on a valid path returned in ofs->szPathName
 840        Are there any cases where getting the path here is wrong?
 841        Uwe Bonnes 1997 Apr 2 */
 842     if (!GetFullPathNameA( name, sizeof(ofs->szPathName),
 843                              ofs->szPathName, NULL )) goto error;
 844     FILE_ConvertOFMode( mode, &access, &sharing );
 845
 846     /* OF_PARSE simply fills the structure */
 847
 848     if (mode & OF_PARSE)
 849     {
 850         ofs->fFixedDisk = (GetDriveType16( ofs->szPathName[0]-'A' )
 851                            != DRIVE_REMOVABLE);
 852         TRACE("(%s): OF_PARSE, res = '%s'\n",
 853                       name, ofs->szPathName );
 854         return 0;
 855     }
 856
 857     /* OF_CREATE is completely different from all other options, so
 858        handle it first */
 859
 860     if (mode & OF_CREATE)
 861     {
 862         if ((hFileRet = CreateFileA( name, GENERIC_READ | GENERIC_WRITE,
 863                                        sharing, NULL, CREATE_ALWAYS,
 864                                        FILE_ATTRIBUTE_NORMAL, -1 ))== INVALID_HANDLE_VALUE)
 865             goto error;
 866         goto success;
 867     }
 868
 869     /* If OF_SEARCH is set, ignore the given path */
 870
 871     if ((mode & OF_SEARCH) && !(mode & OF_REOPEN))
 872     {
 873         /* First try the file name as is */
 874         if (DOSFS_GetFullName( name, TRUE, &full_name )) goto found;
 875         /* Now remove the path */
 876         if (name[0] && (name[1] == ':')) name += 2;
 877         if ((p = strrchr( name, '\\' ))) name = p + 1;
 878         if ((p = strrchr( name, '/' ))) name = p + 1;
 879         if (!name[0]) goto not_found;
 880     }
 881
 882     /* Now look for the file */
 883
 884     if (!DIR_SearchPath( NULL, name, NULL, &full_name, win32 )) goto not_found;
 885
 886 found:
 887     TRACE("found %s = %s\n",
 888                   full_name.long_name, full_name.short_name );
 889     lstrcpynA( ofs->szPathName, full_name.short_name,
 890                  sizeof(ofs->szPathName) );
 891
 892     if (mode & OF_SHARE_EXCLUSIVE)
 893       /* Some InstallShield version uses OF_SHARE_EXCLUSIVE
 894          on the file <tempdir>/_ins0432._mp to determine how
 895          far installation has proceeded.
 896          _ins0432._mp is an executable and while running the
 897          application expects the open with OF_SHARE_ to fail*/
 898       /* Probable FIXME:
 899          As our loader closes the files after loading the executable,
 900          we can't find the running executable with FILE_InUse.
 901          Perhaps the loader should keep the file open.
 902          Recheck against how Win handles that case */
 903       {
 904         char *last = strrchr(full_name.long_name,'/');
 905         if (!last)
 906           last = full_name.long_name - 1;
 907         if (GetModuleHandle16(last+1))
 908           {
 909             TRACE("Denying shared open for %s\n",full_name.long_name);
 910             return HFILE_ERROR;
 911           }
 912       }
 913
 914     if (mode & OF_DELETE)
 915     {
 916         if (unlink( full_name.long_name ) == -1) goto not_found;
 917         TRACE("(%s): OF_DELETE return = OK\n", name);
 918         return 1;
 919     }
 920
 921     hFileRet = FILE_CreateFile( full_name.long_name, access, sharing,
 922                                 NULL, OPEN_EXISTING, 0, -1,
 923                                 DRIVE_GetFlags(full_name.drive) & DRIVE_FAIL_READ_ONLY );
 924     if (hFileRet == HFILE_ERROR) goto not_found;
 925
 926     GetFileTime( hFileRet, NULL, NULL, &filetime );
 927     FileTimeToDosDateTime( &filetime, &filedatetime[0], &filedatetime[1] );
 928     if ((mode & OF_VERIFY) && (mode & OF_REOPEN))
 929     {
 930         if (memcmp( ofs->reserved, filedatetime, sizeof(ofs->reserved) ))
 931         {
 932             CloseHandle( hFileRet );
 933             WARN("(%s): OF_VERIFY failed\n", name );
 934             /* FIXME: what error here? */
 935             SetLastError( ERROR_FILE_NOT_FOUND );
 936             goto error;
 937         }
 938     }
 939     memcpy( ofs->reserved, filedatetime, sizeof(ofs->reserved) );
 940
 941 success:  /* We get here if the open was successful */
 942     TRACE("(%s): OK, return = %d\n", name, hFileRet );
 943     if (win32)
 944     {
 945         if (mode & OF_EXIST) /* Return the handle, but close it first */
 946             CloseHandle( hFileRet );
 947     }
 948     else
 949     {
 950         hFileRet = FILE_AllocDosHandle( hFileRet );
 951         if (hFileRet == HFILE_ERROR16) goto error;
 952         if (mode & OF_EXIST) /* Return the handle, but close it first */
 953             _lclose16( hFileRet );
 954     }
 955     return hFileRet;
 956
 957 not_found:  /* We get here if the file does not exist */
 958     WARN("'%s' not found\n", name );
 959     SetLastError( ERROR_FILE_NOT_FOUND );
 960     /* fall through */
 961
 962 error:  /* We get here if there was an error opening the file */
 963     ofs->nErrCode = GetLastError();
 964     WARN("(%s): return = HFILE_ERROR error= %d\n",
 965                   name,ofs->nErrCode );
 966     return HFILE_ERROR;
 967 }
 968
 969
 970 /***********************************************************************
 971  *           OpenFile16   (KERNEL.74)
 972  */
 973 HFILE16 WINAPI OpenFile16( LPCSTR name, OFSTRUCT *ofs, UINT16 mode )
 974 {
 975     return FILE_DoOpenFile( name, ofs, mode, FALSE );
 976 }
 977
 978
 979 /***********************************************************************
 980  *           OpenFile   (KERNEL32.396)
 981  */
 982 HFILE WINAPI OpenFile( LPCSTR name, OFSTRUCT *ofs, UINT mode )
 983 {
 984     return FILE_DoOpenFile( name, ofs, mode, TRUE );
 985 }
 986
 987
 988 /***********************************************************************
 989  *           FILE_InitProcessDosHandles
 990  *
 991  * Allocates the default DOS handles for a process. Called either by
 992  * AllocDosHandle below or by the DOSVM stuff.
 993  */
 994 static void FILE_InitProcessDosHandles( void )
 995 {
 996     dos_handles[0] = GetStdHandle(STD_INPUT_HANDLE);
 997     dos_handles[1] = GetStdHandle(STD_OUTPUT_HANDLE);
 998     dos_handles[2] = GetStdHandle(STD_ERROR_HANDLE);
 999     dos_handles[3] = GetStdHandle(STD_ERROR_HANDLE);
1000     dos_handles[4] = GetStdHandle(STD_ERROR_HANDLE);
1001 }
1002
1003 /***********************************************************************
1004  *           FILE_AllocDosHandle
1005  *
1006  * Allocate a DOS handle for a Win32 handle. The Win32 handle is no
1007  * longer valid after this function (even on failure).
1008  */
1009 HFILE16 FILE_AllocDosHandle( HANDLE handle )
1010 {
1011     int i;
1012
1013     if (!handle || (handle == INVALID_HANDLE_VALUE))
1014         return INVALID_HANDLE_VALUE16;
1015
1016     for (i = 5; i < DOS_TABLE_SIZE; i++)
1017         if (!dos_handles[i])
1018         {
1019             dos_handles[i] = handle;
1020             TRACE("Got %d for h32 %d\n", i, handle );
1021             return i;
1022         }
1023     CloseHandle( handle );
1024     SetLastError( ERROR_TOO_MANY_OPEN_FILES );
1025     return INVALID_HANDLE_VALUE16;
1026 }
1027
1028
1029 /***********************************************************************
1030  *           FILE_GetHandle
1031  *
1032  * Return the Win32 handle for a DOS handle.
1033  */
1034 HANDLE FILE_GetHandle( HFILE16 hfile )
1035 {
1036     if (hfile < 5 && !dos_handles[hfile]) FILE_InitProcessDosHandles();
1037     if ((hfile >= DOS_TABLE_SIZE) || !dos_handles[hfile])
1038     {
1039         SetLastError( ERROR_INVALID_HANDLE );
1040         return INVALID_HANDLE_VALUE;
1041     }
1042     return dos_handles[hfile];
1043 }
1044
1045
1046 /***********************************************************************
1047  *           FILE_Dup2
1048  *
1049  * dup2() function for DOS handles.
1050  */
1051 HFILE16 FILE_Dup2( HFILE16 hFile1, HFILE16 hFile2 )
1052 {
1053     HANDLE new_handle;
1054
1055     if (hFile1 < 5 && !dos_handles[hFile1]) FILE_InitProcessDosHandles();
1056
1057     if ((hFile1 >= DOS_TABLE_SIZE) || (hFile2 >= DOS_TABLE_SIZE) || !dos_handles[hFile1])
1058     {
1059         SetLastError( ERROR_INVALID_HANDLE );
1060         return HFILE_ERROR16;
1061     }
1062     if (hFile2 < 5)
1063     {
1064         FIXME("stdio handle closed, need proper conversion\n" );
1065         SetLastError( ERROR_INVALID_HANDLE );
1066         return HFILE_ERROR16;
1067     }
1068     if (!DuplicateHandle( GetCurrentProcess(), dos_handles[hFile1],
1069                           GetCurrentProcess(), &new_handle,
1070                           0, FALSE, DUPLICATE_SAME_ACCESS ))
1071         return HFILE_ERROR16;
1072     if (dos_handles[hFile2]) CloseHandle( dos_handles[hFile2] );
1073     dos_handles[hFile2] = new_handle;
1074     return hFile2;
1075 }
1076
1077
1078 /***********************************************************************
1079  *           _lclose16   (KERNEL.81)
1080  */
1081 HFILE16 WINAPI _lclose16( HFILE16 hFile )
1082 {
1083     if (hFile < 5)
1084     {
1085         FIXME("stdio handle closed, need proper conversion\n" );
1086         SetLastError( ERROR_INVALID_HANDLE );
1087         return HFILE_ERROR16;
1088     }
1089     if ((hFile >= DOS_TABLE_SIZE) || !dos_handles[hFile])
1090     {
1091         SetLastError( ERROR_INVALID_HANDLE );
1092         return HFILE_ERROR16;
1093     }
1094     TRACE("%d (handle32=%d)\n", hFile, dos_handles[hFile] );
1095     CloseHandle( dos_handles[hFile] );
1096     dos_handles[hFile] = 0;
1097     return 0;
1098 }
1099
1100
1101 /***********************************************************************
1102  *           _lclose   (KERNEL32.592)
1103  */
1104 HFILE WINAPI _lclose( HFILE hFile )
1105 {
1106     TRACE("handle %d\n", hFile );
1107     return CloseHandle( hFile ) ? 0 : HFILE_ERROR;
1108 }
1109
1110 /***********************************************************************
1111  *              GetOverlappedResult     (KERNEL32.360)
1112  */
1113 BOOL WINAPI GetOverlappedResult(HANDLE hFile,LPOVERLAPPED lpOverlapped,
1114                                 LPDWORD lpNumberOfBytesTransferred,
1115                                 BOOL bWait)
1116 {
1117     /* Since all i/o is currently synchronous,
1118      * return true, assuming ReadFile/WriteFile
1119      * have completed the operation */
1120     FIXME("NO Asynch I/O, assuming Read/Write succeeded\n" );
1121     return TRUE;
1122 }
1123
1124 /***********************************************************************
1125  *              ReadFile                (KERNEL32.428)
1126  */
1127 BOOL WINAPI ReadFile( HANDLE hFile, LPVOID buffer, DWORD bytesToRead,
1128                         LPDWORD bytesRead, LPOVERLAPPED overlapped )
1129 {
1130     struct get_read_fd_request *req = get_req_buffer();
1131     int unix_handle, result;
1132
1133     TRACE("%d %p %ld\n", hFile, buffer, bytesToRead );
1134
1135     if (bytesRead) *bytesRead = 0;  /* Do this before anything else */
1136     if (!bytesToRead) return TRUE;
1137
1138     if ( overlapped ) {
1139       SetLastError ( ERROR_INVALID_PARAMETER );
1140       return FALSE;
1141     }
1142
1143     req->handle = hFile;
1144     server_call_fd( REQ_GET_READ_FD, -1, &unix_handle );
1145     if (unix_handle == -1) return FALSE;
1146     while ((result = read( unix_handle, buffer, bytesToRead )) == -1)
1147     {
1148         if ((errno == EAGAIN) || (errno == EINTR)) continue;
1149         if ((errno == EFAULT) && !VIRTUAL_HandleFault( buffer )) continue;
1150         FILE_SetDosError();
1151         break;
1152     }
1153     close( unix_handle );
1154     if (result == -1) return FALSE;
1155     if (bytesRead) *bytesRead = result;
1156     return TRUE;
1157 }
1158
1159
1160 /***********************************************************************
1161  *             WriteFile               (KERNEL32.578)
1162  */
1163 BOOL WINAPI WriteFile( HANDLE hFile, LPCVOID buffer, DWORD bytesToWrite,
1164                          LPDWORD bytesWritten, LPOVERLAPPED overlapped )
1165 {
1166     struct get_write_fd_request *req = get_req_buffer();
1167     int unix_handle, result;
1168
1169     TRACE("%d %p %ld\n", hFile, buffer, bytesToWrite );
1170
1171     if (bytesWritten) *bytesWritten = 0;  /* Do this before anything else */
1172     if (!bytesToWrite) return TRUE;
1173
1174     if ( overlapped ) {
1175       SetLastError ( ERROR_INVALID_PARAMETER );
1176       return FALSE;
1177     }
1178
1179     req->handle = hFile;
1180     server_call_fd( REQ_GET_WRITE_FD, -1, &unix_handle );
1181     if (unix_handle == -1) return FALSE;
1182     while ((result = write( unix_handle, buffer, bytesToWrite )) == -1)
1183     {
1184         if ((errno == EAGAIN) || (errno == EINTR)) continue;
1185         if ((errno == EFAULT) && !VIRTUAL_HandleFault( buffer )) continue;
1186         if (errno == ENOSPC)
1187             SetLastError( ERROR_DISK_FULL );
1188         else
1189         FILE_SetDosError();
1190         break;
1191     }
1192     close( unix_handle );
1193     if (result == -1) return FALSE;
1194     if (bytesWritten) *bytesWritten = result;
1195     return TRUE;
1196 }
1197
1198
1199 /***********************************************************************
1200  *           WIN16_hread
1201  */
1202 LONG WINAPI WIN16_hread( HFILE16 hFile, SEGPTR buffer, LONG count )
1203 {
1204     LONG maxlen;
1205
1206     TRACE("%d %08lx %ld\n",
1207                   hFile, (DWORD)buffer, count );
1208
1209     /* Some programs pass a count larger than the allocated buffer */
1210     maxlen = GetSelectorLimit16( SELECTOROF(buffer) ) - OFFSETOF(buffer) + 1;
1211     if (count > maxlen) count = maxlen;
1212     return _lread(FILE_GetHandle(hFile), PTR_SEG_TO_LIN(buffer), count );
1213 }
1214
1215
1216 /***********************************************************************
1217  *           WIN16_lread
1218  */
1219 UINT16 WINAPI WIN16_lread( HFILE16 hFile, SEGPTR buffer, UINT16 count )
1220 {
1221     return (UINT16)WIN16_hread( hFile, buffer, (LONG)count );
1222 }
1223
1224
1225 /***********************************************************************
1226  *           _lread   (KERNEL32.596)
1227  */
1228 UINT WINAPI _lread( HFILE handle, LPVOID buffer, UINT count )
1229 {
1230     DWORD result;
1231     if (!ReadFile( handle, buffer, count, &result, NULL )) return -1;
1232     return result;
1233 }
1234
1235
1236 /***********************************************************************
1237  *           _lread16   (KERNEL.82)
1238  */
1239 UINT16 WINAPI _lread16( HFILE16 hFile, LPVOID buffer, UINT16 count )
1240 {
1241     return (UINT16)_lread(FILE_GetHandle(hFile), buffer, (LONG)count );
1242 }
1243
1244
1245 /***********************************************************************
1246  *           _lcreat16   (KERNEL.83)
1247  */
1248 HFILE16 WINAPI _lcreat16( LPCSTR path, INT16 attr )
1249 {
1250     return FILE_AllocDosHandle( _lcreat( path, attr ) );
1251 }
1252
1253
1254 /***********************************************************************
1255  *           _lcreat   (KERNEL32.593)
1256  */
1257 HFILE WINAPI _lcreat( LPCSTR path, INT attr )
1258 {
1259     /* Mask off all flags not explicitly allowed by the doc */
1260     attr &= FILE_ATTRIBUTE_READONLY | FILE_ATTRIBUTE_HIDDEN | FILE_ATTRIBUTE_SYSTEM;
1261     TRACE("%s %02x\n", path, attr );
1262     return CreateFileA( path, GENERIC_READ | GENERIC_WRITE,
1263                         FILE_SHARE_READ | FILE_SHARE_WRITE, NULL,
1264                         CREATE_ALWAYS, attr, -1 );
1265 }
1266
1267
1268 /***********************************************************************
1269  *           SetFilePointer   (KERNEL32.492)
1270  */
1271 DWORD WINAPI SetFilePointer( HANDLE hFile, LONG distance, LONG *highword,
1272                              DWORD method )
1273 {
1274     struct set_file_pointer_request *req = get_req_buffer();
1275
1276     if (highword &&
1277         ((distance >= 0 && *highword != 0) || (distance < 0 && *highword != -1)))
1278     {
1279         FIXME("64-bit offsets not supported yet\n"
1280               "SetFilePointer(%08x,%08lx,%08lx,%08lx)\n",
1281               hFile,distance,*highword,method);
1282         SetLastError( ERROR_INVALID_PARAMETER );
1283         return 0xffffffff;
1284     }
1285     TRACE("handle %d offset %ld origin %ld\n",
1286           hFile, distance, method );
1287
1288     req->handle = hFile;
1289     req->low = distance;
1290     req->high = highword ? *highword : (distance >= 0) ? 0 : -1;
1291     /* FIXME: assumes 1:1 mapping between Windows and Unix seek constants */
1292     req->whence = method;
1293     SetLastError( 0 );
1294     if (server_call( REQ_SET_FILE_POINTER )) return 0xffffffff;
1295     if (highword) *highword = req->new_high;
1296     return req->new_low;
1297 }
1298
1299
1300 /***********************************************************************
1301  *           _llseek16   (KERNEL.84)
1302  *
1303  * FIXME:
1304  *   Seeking before the start of the file should be allowed for _llseek16,
1305  *   but cause subsequent I/O operations to fail (cf. interrupt list)
1306  *
1307  */
1308 LONG WINAPI _llseek16( HFILE16 hFile, LONG lOffset, INT16 nOrigin )
1309 {
1310     return SetFilePointer( FILE_GetHandle(hFile), lOffset, NULL, nOrigin );
1311 }
1312
1313
1314 /***********************************************************************
1315  *           _llseek   (KERNEL32.594)
1316  */
1317 LONG WINAPI _llseek( HFILE hFile, LONG lOffset, INT nOrigin )
1318 {
1319     return SetFilePointer( hFile, lOffset, NULL, nOrigin );
1320 }
1321
1322
1323 /***********************************************************************
1324  *           _lopen16   (KERNEL.85)
1325  */
1326 HFILE16 WINAPI _lopen16( LPCSTR path, INT16 mode )
1327 {
1328     return FILE_AllocDosHandle( _lopen( path, mode ) );
1329 }
1330
1331
1332 /***********************************************************************
1333  *           _lopen   (KERNEL32.595)
1334  */
1335 HFILE WINAPI _lopen( LPCSTR path, INT mode )
1336 {
1337     DWORD access, sharing;
1338
1339     TRACE("('%s',%04x)\n", path, mode );
1340     FILE_ConvertOFMode( mode, &access, &sharing );
1341     return CreateFileA( path, access, sharing, NULL, OPEN_EXISTING, 0, -1 );
1342 }
1343
1344
1345 /***********************************************************************
1346  *           _lwrite16   (KERNEL.86)
1347  */
1348 UINT16 WINAPI _lwrite16( HFILE16 hFile, LPCSTR buffer, UINT16 count )
1349 {
1350     return (UINT16)_hwrite( FILE_GetHandle(hFile), buffer, (LONG)count );
1351 }
1352
1353 /***********************************************************************
1354  *           _lwrite   (KERNEL32.761)
1355  */
1356 UINT WINAPI _lwrite( HFILE hFile, LPCSTR buffer, UINT count )
1357 {
1358     return (UINT)_hwrite( hFile, buffer, (LONG)count );
1359 }
1360
1361
1362 /***********************************************************************
1363  *           _hread16   (KERNEL.349)
1364  */
1365 LONG WINAPI _hread16( HFILE16 hFile, LPVOID buffer, LONG count)
1366 {
1367     return _lread( FILE_GetHandle(hFile), buffer, count );
1368 }
1369
1370
1371 /***********************************************************************
1372  *           _hread   (KERNEL32.590)
1373  */
1374 LONG WINAPI _hread( HFILE hFile, LPVOID buffer, LONG count)
1375 {
1376     return _lread( hFile, buffer, count );
1377 }
1378
1379
1380 /***********************************************************************
1381  *           _hwrite16   (KERNEL.350)
1382  */
1383 LONG WINAPI _hwrite16( HFILE16 hFile, LPCSTR buffer, LONG count )
1384 {
1385     return _hwrite( FILE_GetHandle(hFile), buffer, count );
1386 }
1387
1388
1389 /***********************************************************************
1390  *           _hwrite   (KERNEL32.591)
1391  *
1392  *      experimentation yields that _lwrite:
1393  *              o truncates the file at the current position with
1394  *                a 0 len write
1395  *              o returns 0 on a 0 length write
1396  *              o works with console handles
1397  *
1398  */
1399 LONG WINAPI _hwrite( HFILE handle, LPCSTR buffer, LONG count )
1400 {
1401     DWORD result;
1402
1403     TRACE("%d %p %ld\n", handle, buffer, count );
1404
1405     if (!count)
1406     {
1407         /* Expand or truncate at current position */
1408         if (!SetEndOfFile( handle )) return HFILE_ERROR;
1409         return 0;
1410     }
1411     if (!WriteFile( handle, buffer, count, &result, NULL ))
1412         return HFILE_ERROR;
1413     return result;
1414 }
1415
1416
1417 /***********************************************************************
1418  *           SetHandleCount16   (KERNEL.199)
1419  */
1420 UINT16 WINAPI SetHandleCount16( UINT16 count )
1421 {
1422     HGLOBAL16 hPDB = GetCurrentPDB16();
1423     PDB16 *pdb = (PDB16 *)GlobalLock16( hPDB );
1424     BYTE *files = PTR_SEG_TO_LIN( pdb->fileHandlesPtr );
1425
1426     TRACE("(%d)\n", count );
1427
1428     if (count < 20) count = 20;  /* No point in going below 20 */
1429     else if (count > 254) count = 254;
1430
1431     if (count == 20)
1432     {
1433         if (pdb->nbFiles > 20)
1434         {
1435             memcpy( pdb->fileHandles, files, 20 );
1436             GlobalFree16( pdb->hFileHandles );
1437             pdb->fileHandlesPtr = (SEGPTR)MAKELONG( 0x18,
1438                                                    GlobalHandleToSel16( hPDB ) );
1439             pdb->hFileHandles = 0;
1440             pdb->nbFiles = 20;
1441         }
1442     }
1443     else  /* More than 20, need a new file handles table */
1444     {
1445         BYTE *newfiles;
1446         HGLOBAL16 newhandle = GlobalAlloc16( GMEM_MOVEABLE, count );
1447         if (!newhandle)
1448         {
1449             SetLastError( ERROR_NOT_ENOUGH_MEMORY );
1450             return pdb->nbFiles;
1451         }
1452         newfiles = (BYTE *)GlobalLock16( newhandle );
1453
1454         if (count > pdb->nbFiles)
1455         {
1456             memcpy( newfiles, files, pdb->nbFiles );
1457             memset( newfiles + pdb->nbFiles, 0xff, count - pdb->nbFiles );
1458         }
1459         else memcpy( newfiles, files, count );
1460         if (pdb->nbFiles > 20) GlobalFree16( pdb->hFileHandles );
1461         pdb->fileHandlesPtr = WIN16_GlobalLock16( newhandle );
1462         pdb->hFileHandles   = newhandle;
1463         pdb->nbFiles = count;
1464     }
1465     return pdb->nbFiles;
1466 }
1467
1468
1469 /*************************************************************************
1470  *           SetHandleCount   (KERNEL32.494)
1471  */
1472 UINT WINAPI SetHandleCount( UINT count )
1473 {
1474     return min( 256, count );
1475 }
1476
1477
1478 /***********************************************************************
1479  *           FlushFileBuffers   (KERNEL32.133)
1480  */
1481 BOOL WINAPI FlushFileBuffers( HANDLE hFile )
1482 {
1483     struct flush_file_request *req = get_req_buffer();
1484     req->handle = hFile;
1485     return !server_call( REQ_FLUSH_FILE );
1486 }
1487
1488
1489 /**************************************************************************
1490  *           SetEndOfFile   (KERNEL32.483)
1491  */
1492 BOOL WINAPI SetEndOfFile( HANDLE hFile )
1493 {
1494     struct truncate_file_request *req = get_req_buffer();
1495     req->handle = hFile;
1496     return !server_call( REQ_TRUNCATE_FILE );
1497 }
1498
1499
1500 /***********************************************************************
1501  *           DeleteFile16   (KERNEL.146)
1502  */
1503 BOOL16 WINAPI DeleteFile16( LPCSTR path )
1504 {
1505     return DeleteFileA( path );
1506 }
1507
1508
1509 /***********************************************************************
1510  *           DeleteFileA   (KERNEL32.71)
1511  */
1512 BOOL WINAPI DeleteFileA( LPCSTR path )
1513 {
1514     DOS_FULL_NAME full_name;
1515
1516     TRACE("'%s'\n", path );
1517
1518     if (!*path)
1519     {
1520         ERR("Empty path passed\n");
1521         return FALSE;
1522     }
1523     if (DOSFS_GetDevice( path ))
1524     {
1525         WARN("cannot remove DOS device '%s'!\n", path);
1526         SetLastError( ERROR_FILE_NOT_FOUND );
1527         return FALSE;
1528     }
1529
1530     if (!DOSFS_GetFullName( path, TRUE, &full_name )) return FALSE;
1531     if (unlink( full_name.long_name ) == -1)
1532     {
1533         FILE_SetDosError();
1534         return FALSE;
1535     }
1536     return TRUE;
1537 }
1538
1539
1540 /***********************************************************************
1541  *           DeleteFileW   (KERNEL32.72)
1542  */
1543 BOOL WINAPI DeleteFileW( LPCWSTR path )
1544 {
1545     LPSTR xpath = HEAP_strdupWtoA( GetProcessHeap(), 0, path );
1546     BOOL ret = DeleteFileA( xpath );
1547     HeapFree( GetProcessHeap(), 0, xpath );
1548     return ret;
1549 }
1550
1551
1552 /***********************************************************************
1553  *           FILE_dommap
1554  */
1555 LPVOID FILE_dommap( int unix_handle, LPVOID start,
1556                     DWORD size_high, DWORD size_low,
1557                     DWORD offset_high, DWORD offset_low,
1558                     int prot, int flags )
1559 {
1560     int fd = -1;
1561     int pos;
1562     LPVOID ret;
1563
1564     if (size_high || offset_high)
1565         FIXME("offsets larger than 4Gb not supported\n");
1566
1567     if (unix_handle == -1)
1568     {
1569 #ifdef MAP_ANON
1570         flags |= MAP_ANON;
1571 #else
1572         static int fdzero = -1;
1573
1574         if (fdzero == -1)
1575         {
1576             if ((fdzero = open( "/dev/zero", O_RDONLY )) == -1)
1577             {
1578                 perror( "/dev/zero: open" );
1579                 exit(1);
1580             }
1581         }
1582         fd = fdzero;
1583 #endif  /* MAP_ANON */
1584         /* Linux EINVAL's on us if we don't pass MAP_PRIVATE to an anon mmap */
1585 #ifdef MAP_SHARED
1586         flags &= ~MAP_SHARED;
1587 #endif
1588 #ifdef MAP_PRIVATE
1589         flags |= MAP_PRIVATE;
1590 #endif
1591     }
1592     else fd = unix_handle;
1593
1594     if ((ret = mmap( start, size_low, prot,
1595                      flags, fd, offset_low )) != (LPVOID)-1)
1596         return ret;
1597
1598     /* mmap() failed; if this is because the file offset is not    */
1599     /* page-aligned (EINVAL), or because the underlying filesystem */
1600     /* does not support mmap() (ENOEXEC,ENODEV), we do it by hand. */
1601
1602     if (unix_handle == -1) return ret;
1603     if ((errno != ENOEXEC) && (errno != EINVAL) && (errno != ENODEV)) return ret;
1604     if (prot & PROT_WRITE)
1605     {
1606         /* We cannot fake shared write mappings */
1607 #ifdef MAP_SHARED
1608         if (flags & MAP_SHARED) return ret;
1609 #endif
1610 #ifdef MAP_PRIVATE
1611         if (!(flags & MAP_PRIVATE)) return ret;
1612 #endif
1613     }
1614 /*    printf( "FILE_mmap: mmap failed (%d), faking it\n", errno );*/
1615     /* Reserve the memory with an anonymous mmap */
1616     ret = FILE_dommap( -1, start, size_high, size_low, 0, 0,
1617                        PROT_READ | PROT_WRITE, flags );
1618     if (ret == (LPVOID)-1) return ret;
1619     /* Now read in the file */
1620     if ((pos = lseek( fd, offset_low, SEEK_SET )) == -1)
1621     {
1622         FILE_munmap( ret, size_high, size_low );
1623         return (LPVOID)-1;
1624     }
1625     read( fd, ret, size_low );
1626     lseek( fd, pos, SEEK_SET );  /* Restore the file pointer */
1627     mprotect( ret, size_low, prot );  /* Set the right protection */
1628     return ret;
1629 }
1630
1631
1632 /***********************************************************************
1633  *           FILE_munmap
1634  */
1635 int FILE_munmap( LPVOID start, DWORD size_high, DWORD size_low )
1636 {
1637     if (size_high)
1638       FIXME("offsets larger than 4Gb not supported\n");
1639     return munmap( start, size_low );
1640 }
1641
1642
1643 /***********************************************************************
1644  *           GetFileType   (KERNEL32.222)
1645  */
1646 DWORD WINAPI GetFileType( HANDLE hFile )
1647 {
1648     struct get_file_info_request *req = get_req_buffer();
1649     req->handle = hFile;
1650     if (server_call( REQ_GET_FILE_INFO )) return FILE_TYPE_UNKNOWN;
1651     return req->type;
1652 }
1653
1654
1655 /**************************************************************************
1656  *           MoveFileExA   (KERNEL32.???)
1657  */
1658 BOOL WINAPI MoveFileExA( LPCSTR fn1, LPCSTR fn2, DWORD flag )
1659 {
1660     DOS_FULL_NAME full_name1, full_name2;
1661
1662     TRACE("(%s,%s,%04lx)\n", fn1, fn2, flag);
1663
1664     if (!DOSFS_GetFullName( fn1, TRUE, &full_name1 )) return FALSE;
1665
1666     if (fn2)  /* !fn2 means delete fn1 */
1667     {
1668         if (DOSFS_GetFullName( fn2, TRUE, &full_name2 ))
1669         {
1670             /* target exists, check if we may overwrite */
1671             if (!(flag & MOVEFILE_REPLACE_EXISTING))
1672             {
1673                 /* FIXME: Use right error code */
1674                 SetLastError( ERROR_ACCESS_DENIED );
1675                 return FALSE;
1676             }
1677         }
1678         else if (!DOSFS_GetFullName( fn2, FALSE, &full_name2 )) return FALSE;
1679
1680         /* Source name and target path are valid */
1681
1682         if (flag & MOVEFILE_DELAY_UNTIL_REBOOT)
1683         {
1684             /* FIXME: (bon@elektron.ikp.physik.th-darmstadt.de 970706)
1685                Perhaps we should queue these command and execute it
1686                when exiting... What about using on_exit(2)
1687             */
1688             FIXME("Please move existing file '%s' to file '%s' when Wine has finished\n",
1689                   full_name1.long_name, full_name2.long_name);
1690             return TRUE;
1691         }
1692
1693         if (full_name1.drive != full_name2.drive)
1694         {
1695             /* use copy, if allowed */
1696             if (!(flag & MOVEFILE_COPY_ALLOWED))
1697             {
1698                 /* FIXME: Use right error code */
1699                 SetLastError( ERROR_FILE_EXISTS );
1700                 return FALSE;
1701             }
1702             return CopyFileA( fn1, fn2, !(flag & MOVEFILE_REPLACE_EXISTING) );
1703         }
1704         if (rename( full_name1.long_name, full_name2.long_name ) == -1)
1705         {
1706             FILE_SetDosError();
1707             return FALSE;
1708         }
1709         return TRUE;
1710     }
1711     else /* fn2 == NULL means delete source */
1712     {
1713         if (flag & MOVEFILE_DELAY_UNTIL_REBOOT)
1714         {
1715             if (flag & MOVEFILE_COPY_ALLOWED) {
1716                 WARN("Illegal flag\n");
1717                 SetLastError( ERROR_GEN_FAILURE );
1718                 return FALSE;
1719             }
1720             /* FIXME: (bon@elektron.ikp.physik.th-darmstadt.de 970706)
1721                Perhaps we should queue these command and execute it
1722                when exiting... What about using on_exit(2)
1723             */
1724             FIXME("Please delete file '%s' when Wine has finished\n",
1725                   full_name1.long_name);
1726             return TRUE;
1727         }
1728
1729         if (unlink( full_name1.long_name ) == -1)
1730         {
1731             FILE_SetDosError();
1732             return FALSE;
1733         }
1734         return TRUE; /* successfully deleted */
1735     }
1736 }
1737
1738 /**************************************************************************
1739  *           MoveFileExW   (KERNEL32.???)
1740  */
1741 BOOL WINAPI MoveFileExW( LPCWSTR fn1, LPCWSTR fn2, DWORD flag )
1742 {
1743     LPSTR afn1 = HEAP_strdupWtoA( GetProcessHeap(), 0, fn1 );
1744     LPSTR afn2 = HEAP_strdupWtoA( GetProcessHeap(), 0, fn2 );
1745     BOOL res = MoveFileExA( afn1, afn2, flag );
1746     HeapFree( GetProcessHeap(), 0, afn1 );
1747     HeapFree( GetProcessHeap(), 0, afn2 );
1748     return res;
1749 }
1750
1751
1752 /**************************************************************************
1753  *           MoveFileA   (KERNEL32.387)
1754  *
1755  *  Move file or directory
1756  */
1757 BOOL WINAPI MoveFileA( LPCSTR fn1, LPCSTR fn2 )
1758 {
1759     DOS_FULL_NAME full_name1, full_name2;
1760     struct stat fstat;
1761
1762     TRACE("(%s,%s)\n", fn1, fn2 );
1763
1764     if (!DOSFS_GetFullName( fn1, TRUE, &full_name1 )) return FALSE;
1765     if (DOSFS_GetFullName( fn2, TRUE, &full_name2 ))
1766       /* The new name must not already exist */
1767       return FALSE;
1768     if (!DOSFS_GetFullName( fn2, FALSE, &full_name2 )) return FALSE;
1769
1770     if (full_name1.drive == full_name2.drive) /* move */
1771     if (rename( full_name1.long_name, full_name2.long_name ) == -1)
1772     {
1773         FILE_SetDosError();
1774         return FALSE;
1775     }
1776       else return TRUE;
1777     else /*copy */ {
1778       if (stat(  full_name1.long_name, &fstat ))
1779         {
1780           WARN("Invalid source file %s\n",
1781                         full_name1.long_name);
1782           FILE_SetDosError();
1783           return FALSE;
1784         }
1785       if (S_ISDIR(fstat.st_mode)) {
1786         /* No Move for directories across file systems */
1787         /* FIXME: Use right error code */
1788         SetLastError( ERROR_GEN_FAILURE );
1789         return FALSE;
1790       }
1791       else
1792         return CopyFileA(fn1, fn2, TRUE); /*fail, if exist */
1793     }
1794 }
1795
1796
1797 /**************************************************************************
1798  *           MoveFileW   (KERNEL32.390)
1799  */
1800 BOOL WINAPI MoveFileW( LPCWSTR fn1, LPCWSTR fn2 )
1801 {
1802     LPSTR afn1 = HEAP_strdupWtoA( GetProcessHeap(), 0, fn1 );
1803     LPSTR afn2 = HEAP_strdupWtoA( GetProcessHeap(), 0, fn2 );
1804     BOOL res = MoveFileA( afn1, afn2 );
1805     HeapFree( GetProcessHeap(), 0, afn1 );
1806     HeapFree( GetProcessHeap(), 0, afn2 );
1807     return res;
1808 }
1809
1810
1811 /**************************************************************************
1812  *           CopyFileA   (KERNEL32.36)
1813  */
1814 BOOL WINAPI CopyFileA( LPCSTR source, LPCSTR dest, BOOL fail_if_exists )
1815 {
1816     HFILE h1, h2;
1817     BY_HANDLE_FILE_INFORMATION info;
1818     UINT count;
1819     BOOL ret = FALSE;
1820     int mode;
1821     char buffer[2048];
1822
1823     if ((h1 = _lopen( source, OF_READ )) == HFILE_ERROR) return FALSE;
1824     if (!GetFileInformationByHandle( h1, &info ))
1825     {
1826         CloseHandle( h1 );
1827         return FALSE;
1828     }
1829     mode = (info.dwFileAttributes & FILE_ATTRIBUTE_READONLY) ? 0444 : 0666;
1830     if ((h2 = CreateFileA( dest, GENERIC_WRITE, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL,
1831                              fail_if_exists ? CREATE_NEW : CREATE_ALWAYS,
1832                              info.dwFileAttributes, h1 )) == HFILE_ERROR)
1833     {
1834         CloseHandle( h1 );
1835         return FALSE;
1836     }
1837     while ((count = _lread( h1, buffer, sizeof(buffer) )) > 0)
1838     {
1839         char *p = buffer;
1840         while (count > 0)
1841         {
1842             INT res = _lwrite( h2, p, count );
1843             if (res <= 0) goto done;
1844             p += res;
1845             count -= res;
1846         }
1847     }
1848     ret =  TRUE;
1849 done:
1850     CloseHandle( h1 );
1851     CloseHandle( h2 );
1852     return ret;
1853 }
1854
1855
1856 /**************************************************************************
1857  *           CopyFileW   (KERNEL32.37)
1858  */
1859 BOOL WINAPI CopyFileW( LPCWSTR source, LPCWSTR dest, BOOL fail_if_exists)
1860 {
1861     LPSTR sourceA = HEAP_strdupWtoA( GetProcessHeap(), 0, source );
1862     LPSTR destA   = HEAP_strdupWtoA( GetProcessHeap(), 0, dest );
1863     BOOL ret = CopyFileA( sourceA, destA, fail_if_exists );
1864     HeapFree( GetProcessHeap(), 0, sourceA );
1865     HeapFree( GetProcessHeap(), 0, destA );
1866     return ret;
1867 }
1868
1869
1870 /**************************************************************************
1871  *           CopyFileExA   (KERNEL32.858)
1872  *
1873  * This implementation ignores most of the extra parameters passed-in into
1874  * the "ex" version of the method and calls the CopyFile method.
1875  * It will have to be fixed eventually.
1876  */
1877 BOOL WINAPI CopyFileExA(LPCSTR             sourceFilename,
1878                            LPCSTR             destFilename,
1879                            LPPROGRESS_ROUTINE progressRoutine,
1880                            LPVOID             appData,
1881                            LPBOOL           cancelFlagPointer,
1882                            DWORD              copyFlags)
1883 {
1884   BOOL failIfExists = FALSE;
1885
1886   /*
1887    * Interpret the only flag that CopyFile can interpret.
1888    */
1889   if ( (copyFlags & COPY_FILE_FAIL_IF_EXISTS) != 0)
1890   {
1891     failIfExists = TRUE;
1892   }
1893
1894   return CopyFileA(sourceFilename, destFilename, failIfExists);
1895 }
1896
1897 /**************************************************************************
1898  *           CopyFileExW   (KERNEL32.859)
1899  */
1900 BOOL WINAPI CopyFileExW(LPCWSTR            sourceFilename,
1901                            LPCWSTR            destFilename,
1902                            LPPROGRESS_ROUTINE progressRoutine,
1903                            LPVOID             appData,
1904                            LPBOOL           cancelFlagPointer,
1905                            DWORD              copyFlags)
1906 {
1907     LPSTR sourceA = HEAP_strdupWtoA( GetProcessHeap(), 0, sourceFilename );
1908     LPSTR destA   = HEAP_strdupWtoA( GetProcessHeap(), 0, destFilename );
1909
1910     BOOL ret = CopyFileExA(sourceA,
1911                               destA,
1912                               progressRoutine,
1913                               appData,
1914                               cancelFlagPointer,
1915                               copyFlags);
1916
1917     HeapFree( GetProcessHeap(), 0, sourceA );
1918     HeapFree( GetProcessHeap(), 0, destA );
1919
1920     return ret;
1921 }
1922
1923
1924 /***********************************************************************
1925  *              SetFileTime   (KERNEL32.650)
1926  */
1927 BOOL WINAPI SetFileTime( HANDLE hFile,
1928                            const FILETIME *lpCreationTime,
1929                            const FILETIME *lpLastAccessTime,
1930                            const FILETIME *lpLastWriteTime )
1931 {
1932     struct set_file_time_request *req = get_req_buffer();
1933
1934     req->handle = hFile;
1935     if (lpLastAccessTime)
1936         req->access_time = DOSFS_FileTimeToUnixTime(lpLastAccessTime, NULL);
1937     else
1938         req->access_time = 0; /* FIXME */
1939     if (lpLastWriteTime)
1940         req->write_time = DOSFS_FileTimeToUnixTime(lpLastWriteTime, NULL);
1941     else
1942         req->write_time = 0; /* FIXME */
1943     return !server_call( REQ_SET_FILE_TIME );
1944 }
1945
1946
1947 /**************************************************************************
1948  *           LockFile   (KERNEL32.511)
1949  */
1950 BOOL WINAPI LockFile( HANDLE hFile, DWORD dwFileOffsetLow, DWORD dwFileOffsetHigh,
1951                         DWORD nNumberOfBytesToLockLow, DWORD nNumberOfBytesToLockHigh )
1952 {
1953     struct lock_file_request *req = get_req_buffer();
1954
1955     req->handle      = hFile;
1956     req->offset_low  = dwFileOffsetLow;
1957     req->offset_high = dwFileOffsetHigh;
1958     req->count_low   = nNumberOfBytesToLockLow;
1959     req->count_high  = nNumberOfBytesToLockHigh;
1960     return !server_call( REQ_LOCK_FILE );
1961 }
1962
1963 /**************************************************************************
1964  * LockFileEx [KERNEL32.512]
1965  *
1966  * Locks a byte range within an open file for shared or exclusive access.
1967  *
1968  * RETURNS
1969  *   success: TRUE
1970  *   failure: FALSE
1971  * NOTES
1972  *
1973  * Per Microsoft docs, the third parameter (reserved) must be set to 0.
1974  */
1975 BOOL WINAPI LockFileEx( HANDLE hFile, DWORD flags, DWORD reserved,
1976                       DWORD nNumberOfBytesToLockLow, DWORD nNumberOfBytesToLockHigh,
1977                       LPOVERLAPPED pOverlapped )
1978 {
1979     FIXME("hFile=%d,flags=%ld,reserved=%ld,lowbytes=%ld,highbytes=%ld,overlapped=%p: stub.\n",
1980           hFile, flags, reserved, nNumberOfBytesToLockLow, nNumberOfBytesToLockHigh,
1981           pOverlapped);
1982     if (reserved == 0)
1983         SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
1984     else
1985     {
1986         ERR("reserved == %ld: Supposed to be 0??\n", reserved);
1987         SetLastError(ERROR_INVALID_PARAMETER);
1988     }
1989
1990     return FALSE;
1991 }
1992
1993
1994 /**************************************************************************
1995  *           UnlockFile   (KERNEL32.703)
1996  */
1997 BOOL WINAPI UnlockFile( HANDLE hFile, DWORD dwFileOffsetLow, DWORD dwFileOffsetHigh,
1998                           DWORD nNumberOfBytesToUnlockLow, DWORD nNumberOfBytesToUnlockHigh )
1999 {
2000     struct unlock_file_request *req = get_req_buffer();
2001
2002     req->handle      = hFile;
2003     req->offset_low  = dwFileOffsetLow;
2004     req->offset_high = dwFileOffsetHigh;
2005     req->count_low   = nNumberOfBytesToUnlockLow;
2006     req->count_high  = nNumberOfBytesToUnlockHigh;
2007     return !server_call( REQ_UNLOCK_FILE );
2008 }
2009
2010
2011 /**************************************************************************
2012  *           UnlockFileEx   (KERNEL32.705)
2013  */
2014 BOOL WINAPI UnlockFileEx(
2015                 HFILE hFile,
2016                 DWORD dwReserved,
2017                 DWORD nNumberOfBytesToUnlockLow,
2018                 DWORD nNumberOfBytesToUnlockHigh,
2019                 LPOVERLAPPED lpOverlapped
2020 )
2021 {
2022         FIXME("hFile=%d,reserved=%ld,lowbytes=%ld,highbytes=%ld,overlapped=%p: stub.\n",
2023           hFile, dwReserved, nNumberOfBytesToUnlockLow, nNumberOfBytesToUnlockHigh,
2024           lpOverlapped);
2025         if (dwReserved == 0)
2026                 SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
2027         else
2028         {
2029                 ERR("reserved == %ld: Supposed to be 0??\n", dwReserved);
2030                 SetLastError(ERROR_INVALID_PARAMETER);
2031         }
2032
2033         return FALSE;
2034 }
2035
2036
2037 #if 0
2038
2039 struct DOS_FILE_LOCK {
2040   struct DOS_FILE_LOCK *        next;
2041   DWORD                         base;
2042   DWORD                         len;
2043   DWORD                         processId;
2044   FILE_OBJECT *                 dos_file;
2045 /*  char *                      unix_name;*/
2046 };
2047
2048 typedef struct DOS_FILE_LOCK DOS_FILE_LOCK;
2049
2050 static DOS_FILE_LOCK *locks = NULL;
2051 static void DOS_RemoveFileLocks(FILE_OBJECT *file);
2052
2053
2054 /* Locks need to be mirrored because unix file locking is based
2055  * on the pid. Inside of wine there can be multiple WINE processes
2056  * that share the same unix pid.
2057  * Read's and writes should check these locks also - not sure
2058  * how critical that is at this point (FIXME).
2059  */
2060
2061 static BOOL DOS_AddLock(FILE_OBJECT *file, struct flock *f)
2062 {
2063   DOS_FILE_LOCK *curr;
2064   DWORD         processId;
2065
2066   processId = GetCurrentProcessId();
2067
2068   /* check if lock overlaps a current lock for the same file */
2069 #if 0
2070   for (curr = locks; curr; curr = curr->next) {
2071     if (strcmp(curr->unix_name, file->unix_name) == 0) {
2072       if ((f->l_start == curr->base) && (f->l_len == curr->len))
2073         return TRUE;/* region is identic */
2074       if ((f->l_start < (curr->base + curr->len)) &&
2075           ((f->l_start + f->l_len) > curr->base)) {
2076         /* region overlaps */
2077         return FALSE;
2078       }
2079     }
2080   }
2081 #endif
2082
2083   curr = HeapAlloc( GetProcessHeap(), 0, sizeof(DOS_FILE_LOCK) );
2084   curr->processId = GetCurrentProcessId();
2085   curr->base = f->l_start;
2086   curr->len = f->l_len;
2087 /*  curr->unix_name = HEAP_strdupA( GetProcessHeap(), 0, file->unix_name);*/
2088   curr->next = locks;
2089   curr->dos_file = file;
2090   locks = curr;
2091   return TRUE;
2092 }
2093
2094 static void DOS_RemoveFileLocks(FILE_OBJECT *file)
2095 {
2096   DWORD         processId;
2097   DOS_FILE_LOCK **curr;
2098   DOS_FILE_LOCK *rem;
2099
2100   processId = GetCurrentProcessId();
2101   curr = &locks;
2102   while (*curr) {
2103     if ((*curr)->dos_file == file) {
2104       rem = *curr;
2105       *curr = (*curr)->next;
2106 /*      HeapFree( GetProcessHeap(), 0, rem->unix_name );*/
2107       HeapFree( GetProcessHeap(), 0, rem );
2108     }
2109     else
2110       curr = &(*curr)->next;
2111   }
2112 }
2113
2114 static BOOL DOS_RemoveLock(FILE_OBJECT *file, struct flock *f)
2115 {
2116   DWORD         processId;
2117   DOS_FILE_LOCK **curr;
2118   DOS_FILE_LOCK *rem;
2119
2120   processId = GetCurrentProcessId();
2121   for (curr = &locks; *curr; curr = &(*curr)->next) {
2122     if ((*curr)->processId == processId &&
2123         (*curr)->dos_file == file &&
2124         (*curr)->base == f->l_start &&
2125         (*curr)->len == f->l_len) {
2126       /* this is the same lock */
2127       rem = *curr;
2128       *curr = (*curr)->next;
2129 /*      HeapFree( GetProcessHeap(), 0, rem->unix_name );*/
2130       HeapFree( GetProcessHeap(), 0, rem );
2131       return TRUE;
2132     }
2133   }
2134   /* no matching lock found */
2135   return FALSE;
2136 }
2137
2138
2139 /**************************************************************************
2140  *           LockFile   (KERNEL32.511)
2141  */
2142 BOOL WINAPI LockFile(
2143         HFILE hFile,DWORD dwFileOffsetLow,DWORD dwFileOffsetHigh,
2144         DWORD nNumberOfBytesToLockLow,DWORD nNumberOfBytesToLockHigh )
2145 {
2146   struct flock f;
2147   FILE_OBJECT *file;
2148
2149   TRACE("handle %d offsetlow=%ld offsethigh=%ld nbyteslow=%ld nbyteshigh=%ld\n",
2150                hFile, dwFileOffsetLow, dwFileOffsetHigh,
2151                nNumberOfBytesToLockLow, nNumberOfBytesToLockHigh);
2152
2153   if (dwFileOffsetHigh || nNumberOfBytesToLockHigh) {
2154     FIXME("Unimplemented bytes > 32bits\n");
2155     return FALSE;
2156   }
2157
2158   f.l_start = dwFileOffsetLow;
2159   f.l_len = nNumberOfBytesToLockLow;
2160   f.l_whence = SEEK_SET;
2161   f.l_pid = 0;
2162   f.l_type = F_WRLCK;
2163
2164   if (!(file = FILE_GetFile(hFile,0,NULL))) return FALSE;
2165
2166   /* shadow locks internally */
2167   if (!DOS_AddLock(file, &f)) {
2168     SetLastError( ERROR_LOCK_VIOLATION );
2169     return FALSE;
2170   }
2171
2172   /* FIXME: Unix locking commented out for now, doesn't work with Excel */
2173 #ifdef USE_UNIX_LOCKS
2174   if (fcntl(file->unix_handle, F_SETLK, &f) == -1) {
2175     if (errno == EACCES || errno == EAGAIN) {
2176       SetLastError( ERROR_LOCK_VIOLATION );
2177     }
2178     else {
2179       FILE_SetDosError();
2180     }
2181     /* remove our internal copy of the lock */
2182     DOS_RemoveLock(file, &f);
2183     return FALSE;
2184   }
2185 #endif
2186   return TRUE;
2187 }
2188
2189
2190 /**************************************************************************
2191  *           UnlockFile   (KERNEL32.703)
2192  */
2193 BOOL WINAPI UnlockFile(
2194         HFILE hFile,DWORD dwFileOffsetLow,DWORD dwFileOffsetHigh,
2195         DWORD nNumberOfBytesToUnlockLow,DWORD nNumberOfBytesToUnlockHigh )
2196 {
2197   FILE_OBJECT *file;
2198   struct flock f;
2199
2200   TRACE("handle %d offsetlow=%ld offsethigh=%ld nbyteslow=%ld nbyteshigh=%ld\n",
2201                hFile, dwFileOffsetLow, dwFileOffsetHigh,
2202                nNumberOfBytesToUnlockLow, nNumberOfBytesToUnlockHigh);
2203
2204   if (dwFileOffsetHigh || nNumberOfBytesToUnlockHigh) {
2205     WARN("Unimplemented bytes > 32bits\n");
2206     return FALSE;
2207   }
2208
2209   f.l_start = dwFileOffsetLow;
2210   f.l_len = nNumberOfBytesToUnlockLow;
2211   f.l_whence = SEEK_SET;
2212   f.l_pid = 0;
2213   f.l_type = F_UNLCK;
2214
2215   if (!(file = FILE_GetFile(hFile,0,NULL))) return FALSE;
2216
2217   DOS_RemoveLock(file, &f);     /* ok if fails - may be another wine */
2218
2219   /* FIXME: Unix locking commented out for now, doesn't work with Excel */
2220 #ifdef USE_UNIX_LOCKS
2221   if (fcntl(file->unix_handle, F_SETLK, &f) == -1) {
2222     FILE_SetDosError();
2223     return FALSE;
2224   }
2225 #endif
2226   return TRUE;
2227 }
2228 #endif
2229
2230 /**************************************************************************
2231  * GetFileAttributesExA [KERNEL32.874]
2232  */
2233 BOOL WINAPI GetFileAttributesExA(
2234         LPCSTR lpFileName, GET_FILEEX_INFO_LEVELS fInfoLevelId,
2235         LPVOID lpFileInformation)
2236 {
2237     DOS_FULL_NAME full_name;
2238     BY_HANDLE_FILE_INFORMATION info;
2239
2240     if (lpFileName == NULL) return FALSE;
2241     if (lpFileInformation == NULL) return FALSE;
2242
2243     if (fInfoLevelId == GetFileExInfoStandard) {
2244         LPWIN32_FILE_ATTRIBUTE_DATA lpFad =
2245             (LPWIN32_FILE_ATTRIBUTE_DATA) lpFileInformation;
2246         if (!DOSFS_GetFullName( lpFileName, TRUE, &full_name )) return FALSE;
2247         if (!FILE_Stat( full_name.long_name, &info )) return FALSE;
2248
2249         lpFad->dwFileAttributes = info.dwFileAttributes;
2250         lpFad->ftCreationTime   = info.ftCreationTime;
2251         lpFad->ftLastAccessTime = info.ftLastAccessTime;
2252         lpFad->ftLastWriteTime  = info.ftLastWriteTime;
2253         lpFad->nFileSizeHigh    = info.nFileSizeHigh;
2254         lpFad->nFileSizeLow     = info.nFileSizeLow;
2255     }
2256     else {
2257         FIXME("invalid info level %d!\n", fInfoLevelId);
2258         return FALSE;
2259     }
2260
2261     return TRUE;
2262 }
2263
2264
2265 /**************************************************************************
2266  * GetFileAttributesExW [KERNEL32.875]
2267  */
2268 BOOL WINAPI GetFileAttributesExW(
2269         LPCWSTR lpFileName, GET_FILEEX_INFO_LEVELS fInfoLevelId,
2270         LPVOID lpFileInformation)
2271 {
2272     LPSTR nameA = HEAP_strdupWtoA( GetProcessHeap(), 0, lpFileName );
2273     BOOL res =
2274         GetFileAttributesExA( nameA, fInfoLevelId, lpFileInformation);
2275     HeapFree( GetProcessHeap(), 0, nameA );
2276     return res;
2277 }