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 <assert.h>
  13 #include <ctype.h>
  14 #include <errno.h>
  15 #include <fcntl.h>
  16 #include <stdlib.h>
  17 #include <string.h>
  18 #include <sys/errno.h>
  19 #include <sys/types.h>
  20 #include <sys/stat.h>
  21 #include <sys/mman.h>
  22 #include <sys/time.h>
  23 #include <time.h>
  24 #include <unistd.h>
  25 #include <utime.h>
  26
  27 #include "winerror.h"
  28 #include "windef.h"
  29 #include "winbase.h"
  30 #include "wine/winbase16.h"
  31 #include "wine/winestring.h"
  32 #include "drive.h"
  33 #include "device.h"
  34 #include "file.h"
  35 #include "global.h"
  36 #include "heap.h"
  37 #include "msdos.h"
  38 #include "options.h"
  39 #include "ldt.h"
  40 #include "process.h"
  41 #include "task.h"
  42 #include "async.h"
  43 #include "wincon.h"
  44 #include "debug.h"
  45
  46 #include "server/request.h"
  47 #include "server.h"
  48
  49 #if defined(MAP_ANONYMOUS) && !defined(MAP_ANON)
  50 #define MAP_ANON MAP_ANONYMOUS
  51 #endif
  52
  53 /* The file object */
  54 typedef struct
  55 {
  56     K32OBJ    header;
  57 } FILE_OBJECT;
  58
  59
  60 /* Size of per-process table of DOS handles */
  61 #define DOS_TABLE_SIZE 256
  62
  63
  64 /***********************************************************************
  65  *              FILE_ConvertOFMode
  66  *
  67  * Convert OF_* mode into flags for CreateFile.
  68  */
  69 static void FILE_ConvertOFMode( INT mode, DWORD *access, DWORD *sharing )
  70 {
  71     switch(mode & 0x03)
  72     {
  73     case OF_READ:      *access = GENERIC_READ; break;
  74     case OF_WRITE:     *access = GENERIC_WRITE; break;
  75     case OF_READWRITE: *access = GENERIC_READ | GENERIC_WRITE; break;
  76     default:           *access = 0; break;
  77     }
  78     switch(mode & 0x70)
  79     {
  80     case OF_SHARE_EXCLUSIVE:  *sharing = 0; break;
  81     case OF_SHARE_DENY_WRITE: *sharing = FILE_SHARE_READ; break;
  82     case OF_SHARE_DENY_READ:  *sharing = FILE_SHARE_WRITE; break;
  83     case OF_SHARE_DENY_NONE:
  84     case OF_SHARE_COMPAT:
  85     default:                  *sharing = FILE_SHARE_READ | FILE_SHARE_WRITE; break;
  86     }
  87 }
  88
  89
  90 #if 0
  91 /***********************************************************************
  92  *              FILE_ShareDeny
  93  *
  94  * PARAMS
  95  *       oldmode[I] mode how file was first opened
  96  *       mode[I] mode how the file should get opened
  97  * RETURNS
  98  *      TRUE: deny open
  99  *      FALSE: allow open
 100  *
 101  * Look what we have to do with the given SHARE modes
 102  *
 103  * Ralph Brown's interrupt list gives following explication, I guess
 104  * the same holds for Windows, DENY ALL should be OF_SHARE_COMPAT
 105  *
 106  * FIXME: Validate this function
 107 ========from Ralph Brown's list =========
 108 (Table 0750)
 109 Values of DOS file sharing behavior:
 110           |     Second and subsequent Opens
 111  First    |Compat  Deny   Deny   Deny   Deny
 112  Open     |        All    Write  Read   None
 113           |R W RW R W RW R W RW R W RW R W RW
 114  - - - - -| - - - - - - - - - - - - - - - - -
 115  Compat R |Y Y Y  N N N  1 N N  N N N  1 N N
 116         W |Y Y Y  N N N  N N N  N N N  N N N
 117         RW|Y Y Y  N N N  N N N  N N N  N N N
 118  - - - - -|
 119  Deny   R |C C C  N N N  N N N  N N N  N N N
 120  All    W |C C C  N N N  N N N  N N N  N N N
 121         RW|C C C  N N N  N N N  N N N  N N N
 122  - - - - -|
 123  Deny   R |2 C C  N N N  Y N N  N N N  Y N N
 124  Write  W |C C C  N N N  N N N  Y N N  Y N N
 125         RW|C C C  N N N  N N N  N N N  Y N N
 126  - - - - -|
 127  Deny   R |C C C  N N N  N Y N  N N N  N Y N
 128  Read   W |C C C  N N N  N N N  N Y N  N Y N
 129         RW|C C C  N N N  N N N  N N N  N Y N
 130  - - - - -|
 131  Deny   R |2 C C  N N N  Y Y Y  N N N  Y Y Y
 132  None   W |C C C  N N N  N N N  Y Y Y  Y Y Y
 133         RW|C C C  N N N  N N N  N N N  Y Y Y
 134 Legend: Y = open succeeds, N = open fails with error code 05h
 135         C = open fails, INT 24 generated
 136         1 = open succeeds if file read-only, else fails with error code
 137         2 = open succeeds if file read-only, else fails with INT 24
 138 ========end of description from Ralph Brown's List =====
 139         For every "Y" in the table we return FALSE
 140         For every "N" we set the DOS_ERROR and return TRUE
 141         For all other cases we barf,set the DOS_ERROR and return TRUE
 142
 143  */
 144 static BOOL FILE_ShareDeny( int mode, int oldmode)
 145 {
 146   int oldsharemode = oldmode & 0x70;
 147   int sharemode    =    mode & 0x70;
 148   int oldopenmode  = oldmode & 3;
 149   int openmode     =    mode & 3;
 150
 151   switch (oldsharemode)
 152     {
 153     case OF_SHARE_COMPAT:
 154       if (sharemode == OF_SHARE_COMPAT) return FALSE;
 155       if (openmode  == OF_READ) goto test_ro_err05 ;
 156       goto fail_error05;
 157     case OF_SHARE_EXCLUSIVE:
 158       if (sharemode == OF_SHARE_COMPAT) goto fail_int24;
 159       goto fail_error05;
 160     case OF_SHARE_DENY_WRITE:
 161       if (openmode  != OF_READ)
 162         {
 163           if (sharemode == OF_SHARE_COMPAT) goto fail_int24;
 164           goto fail_error05;
 165         }
 166       switch (sharemode)
 167         {
 168         case OF_SHARE_COMPAT:
 169           if (oldopenmode == OF_READ) goto test_ro_int24 ;
 170           goto fail_int24;
 171         case OF_SHARE_DENY_NONE :
 172           return FALSE;
 173         case OF_SHARE_DENY_WRITE :
 174           if (oldopenmode == OF_READ) return FALSE;
 175         case OF_SHARE_DENY_READ :
 176           if (oldopenmode == OF_WRITE) return FALSE;
 177         case OF_SHARE_EXCLUSIVE:
 178         default:
 179           goto fail_error05;
 180         }
 181       break;
 182     case OF_SHARE_DENY_READ:
 183       if (openmode  != OF_WRITE)
 184         {
 185           if (sharemode == OF_SHARE_COMPAT) goto fail_int24;
 186           goto fail_error05;
 187         }
 188       switch (sharemode)
 189         {
 190         case OF_SHARE_COMPAT:
 191           goto fail_int24;
 192         case OF_SHARE_DENY_NONE :
 193           return FALSE;
 194         case OF_SHARE_DENY_WRITE :
 195           if (oldopenmode == OF_READ) return FALSE;
 196         case OF_SHARE_DENY_READ :
 197           if (oldopenmode == OF_WRITE) return FALSE;
 198         case OF_SHARE_EXCLUSIVE:
 199         default:
 200           goto fail_error05;
 201         }
 202       break;
 203     case OF_SHARE_DENY_NONE:
 204       switch (sharemode)
 205         {
 206         case OF_SHARE_COMPAT:
 207           goto fail_int24;
 208         case OF_SHARE_DENY_NONE :
 209           return FALSE;
 210         case OF_SHARE_DENY_WRITE :
 211           if (oldopenmode == OF_READ) return FALSE;
 212         case OF_SHARE_DENY_READ :
 213           if (oldopenmode == OF_WRITE) return FALSE;
 214         case OF_SHARE_EXCLUSIVE:
 215         default:
 216           goto fail_error05;
 217         }
 218     default:
 219       ERR(file,"unknown mode\n");
 220     }
 221   ERR(file,"shouldn't happen\n");
 222   ERR(file,"Please report to bon@elektron.ikp.physik.tu-darmstadt.de\n");
 223   return TRUE;
 224
 225 test_ro_int24:
 226   if (oldmode == OF_READ)
 227     return FALSE;
 228   /* Fall through */
 229 fail_int24:
 230   FIXME(file,"generate INT24 missing\n");
 231   /* Is this the right error? */
 232   SetLastError( ERROR_ACCESS_DENIED );
 233   return TRUE;
 234
 235 test_ro_err05:
 236   if (oldmode == OF_READ)
 237     return FALSE;
 238   /* fall through */
 239 fail_error05:
 240   TRACE(file,"Access Denied, oldmode 0x%02x mode 0x%02x\n",oldmode,mode);
 241   SetLastError( ERROR_ACCESS_DENIED );
 242   return TRUE;
 243 }
 244 #endif
 245
 246
 247 /***********************************************************************
 248  *           FILE_SetDosError
 249  *
 250  * Set the DOS error code from errno.
 251  */
 252 void FILE_SetDosError(void)
 253 {
 254     int save_errno = errno; /* errno gets overwritten by printf */
 255
 256     TRACE(file, "errno = %d %s\n", errno, strerror(errno));
 257     switch (save_errno)
 258     {
 259     case EAGAIN:
 260         SetLastError( ERROR_SHARING_VIOLATION );
 261         break;
 262     case EBADF:
 263         SetLastError( ERROR_INVALID_HANDLE );
 264         break;
 265     case ENOSPC:
 266         SetLastError( ERROR_HANDLE_DISK_FULL );
 267         break;
 268     case EACCES:
 269     case EPERM:
 270     case EROFS:
 271         SetLastError( ERROR_ACCESS_DENIED );
 272         break;
 273     case EBUSY:
 274         SetLastError( ERROR_LOCK_VIOLATION );
 275         break;
 276     case ENOENT:
 277         SetLastError( ERROR_FILE_NOT_FOUND );
 278         break;
 279     case EISDIR:
 280         SetLastError( ERROR_CANNOT_MAKE );
 281         break;
 282     case ENFILE:
 283     case EMFILE:
 284         SetLastError( ERROR_NO_MORE_FILES );
 285         break;
 286     case EEXIST:
 287         SetLastError( ERROR_FILE_EXISTS );
 288         break;
 289     case EINVAL:
 290     case ESPIPE:
 291         SetLastError( ERROR_SEEK );
 292         break;
 293     case ENOTEMPTY:
 294         SetLastError( ERROR_DIR_NOT_EMPTY );
 295         break;
 296     default:
 297         perror( "int21: unknown errno" );
 298         SetLastError( ERROR_GEN_FAILURE );
 299         break;
 300     }
 301     errno = save_errno;
 302 }
 303
 304
 305 /***********************************************************************
 306  *           FILE_DupUnixHandle
 307  *
 308  * Duplicate a Unix handle into a task handle.
 309  */
 310 HFILE FILE_DupUnixHandle( int fd, DWORD access )
 311 {
 312     FILE_OBJECT *file;
 313     int unix_handle;
 314     struct create_file_request req;
 315     struct create_file_reply reply;
 316
 317     if ((unix_handle = dup(fd)) == -1)
 318     {
 319         FILE_SetDosError();
 320         return INVALID_HANDLE_VALUE;
 321     }
 322     req.access  = access;
 323     req.inherit = 1;
 324     req.sharing = FILE_SHARE_READ | FILE_SHARE_WRITE;
 325     req.create  = 0;
 326     req.attrs   = 0;
 327
 328     CLIENT_SendRequest( REQ_CREATE_FILE, unix_handle, 1,
 329                         &req, sizeof(req) );
 330     CLIENT_WaitSimpleReply( &reply, sizeof(reply), NULL );
 331     if (reply.handle == -1) return INVALID_HANDLE_VALUE;
 332
 333     if (!(file = HeapAlloc( SystemHeap, 0, sizeof(FILE_OBJECT) )))
 334     {
 335         CLIENT_CloseHandle( reply.handle );
 336         SetLastError( ERROR_TOO_MANY_OPEN_FILES );
 337         return (HFILE)NULL;
 338     }
 339     file->header.type = K32OBJ_FILE;
 340     file->header.refcount = 0;
 341     return HANDLE_Alloc( PROCESS_Current(), &file->header, req.access,
 342                          req.inherit, reply.handle );
 343 }
 344
 345
 346 /***********************************************************************
 347  *           FILE_CreateFile
 348  *
 349  * Implementation of CreateFile. Takes a Unix path name.
 350  */
 351 HFILE FILE_CreateFile( LPCSTR filename, DWORD access, DWORD sharing,
 352                          LPSECURITY_ATTRIBUTES sa, DWORD creation,
 353                          DWORD attributes, HANDLE template )
 354 {
 355     FILE_OBJECT *file;
 356     struct create_file_request req;
 357     struct create_file_reply reply;
 358
 359     req.access  = access;
 360     req.inherit = (sa && (sa->nLength>=sizeof(*sa)) && sa->bInheritHandle);
 361     req.sharing = sharing;
 362     req.create  = creation;
 363     req.attrs   = attributes;
 364     CLIENT_SendRequest( REQ_CREATE_FILE, -1, 2,
 365                         &req, sizeof(req),
 366                         filename, strlen(filename) + 1 );
 367     CLIENT_WaitSimpleReply( &reply, sizeof(reply), NULL );
 368
 369     /* If write access failed, retry without GENERIC_WRITE */
 370
 371     if ((reply.handle == -1) && !Options.failReadOnly &&
 372         (access & GENERIC_WRITE))
 373     {
 374         DWORD lasterror = GetLastError();
 375         if ((lasterror == ERROR_ACCESS_DENIED) ||
 376             (lasterror == ERROR_WRITE_PROTECT))
 377         {
 378             req.access &= ~GENERIC_WRITE;
 379             CLIENT_SendRequest( REQ_CREATE_FILE, -1, 2,
 380                                 &req, sizeof(req),
 381                                 filename, strlen(filename) + 1 );
 382             CLIENT_WaitSimpleReply( &reply, sizeof(reply), NULL );
 383         }
 384     }
 385     if (reply.handle == -1) return INVALID_HANDLE_VALUE;
 386
 387     /* Now build the FILE_OBJECT */
 388
 389     if (!(file = HeapAlloc( SystemHeap, 0, sizeof(FILE_OBJECT) )))
 390     {
 391         SetLastError( ERROR_OUTOFMEMORY );
 392         CLIENT_CloseHandle( reply.handle );
 393         return (HFILE)INVALID_HANDLE_VALUE;
 394     }
 395     file->header.type = K32OBJ_FILE;
 396     file->header.refcount = 0;
 397     return HANDLE_Alloc( PROCESS_Current(), &file->header, req.access,
 398                          req.inherit, reply.handle );
 399 }
 400
 401
 402 /***********************************************************************
 403  *           FILE_CreateDevice
 404  *
 405  * Same as FILE_CreateFile but for a device
 406  */
 407 HFILE FILE_CreateDevice( int client_id, DWORD access, LPSECURITY_ATTRIBUTES sa )
 408 {
 409     FILE_OBJECT *file;
 410     struct create_device_request req;
 411     struct create_device_reply reply;
 412
 413     req.access  = access;
 414     req.inherit = (sa && (sa->nLength>=sizeof(*sa)) && sa->bInheritHandle);
 415     req.id      = client_id;
 416     CLIENT_SendRequest( REQ_CREATE_DEVICE, -1, 1, &req, sizeof(req) );
 417     CLIENT_WaitSimpleReply( &reply, sizeof(reply), NULL );
 418     if (reply.handle == -1) return INVALID_HANDLE_VALUE;
 419
 420     /* Now build the FILE_OBJECT */
 421
 422     if (!(file = HeapAlloc( SystemHeap, 0, sizeof(FILE_OBJECT) )))
 423     {
 424         SetLastError( ERROR_OUTOFMEMORY );
 425         CLIENT_CloseHandle( reply.handle );
 426         return (HFILE)INVALID_HANDLE_VALUE;
 427     }
 428     file->header.type = K32OBJ_FILE;
 429     file->header.refcount = 0;
 430     return HANDLE_Alloc( PROCESS_Current(), &file->header, req.access,
 431                          req.inherit, reply.handle );
 432 }
 433
 434
 435 /*************************************************************************
 436  * CreateFile32A [KERNEL32.45]  Creates or opens a file or other object
 437  *
 438  * Creates or opens an object, and returns a handle that can be used to
 439  * access that object.
 440  *
 441  * PARAMS
 442  *
 443  * filename     [I] pointer to filename to be accessed
 444  * access       [I] access mode requested
 445  * sharing      [I] share mode
 446  * sa           [I] pointer to security attributes
 447  * creation     [I] how to create the file
 448  * attributes   [I] attributes for newly created file
 449  * template     [I] handle to file with extended attributes to copy
 450  *
 451  * RETURNS
 452  *   Success: Open handle to specified file
 453  *   Failure: INVALID_HANDLE_VALUE
 454  *
 455  * NOTES
 456  *  Should call SetLastError() on failure.
 457  *
 458  * BUGS
 459  *
 460  * Doesn't support character devices, pipes, template files, or a
 461  * lot of the 'attributes' flags yet.
 462  */
 463 HFILE WINAPI CreateFileA( LPCSTR filename, DWORD access, DWORD sharing,
 464                               LPSECURITY_ATTRIBUTES sa, DWORD creation,
 465                               DWORD attributes, HANDLE template )
 466 {
 467     DOS_FULL_NAME full_name;
 468
 469     if (!filename)
 470     {
 471         SetLastError( ERROR_INVALID_PARAMETER );
 472         return HFILE_ERROR;
 473     }
 474
 475     /* If the name starts with '\\?\', ignore the first 4 chars. */
 476     if (!strncmp(filename, "\\\\?\\", 4))
 477     {
 478         filename += 4;
 479         if (!strncmp(filename, "UNC\\", 4))
 480         {
 481             FIXME( file, "UNC name (%s) not supported.\n", filename );
 482             SetLastError( ERROR_PATH_NOT_FOUND );
 483             return HFILE_ERROR;
 484         }
 485     }
 486
 487     if (!strncmp(filename, "\\\\.\\", 4))
 488         return DEVICE_Open( filename+4, access, sa );
 489
 490     /* If the name still starts with '\\', it's a UNC name. */
 491     if (!strncmp(filename, "\\\\", 2))
 492     {
 493         FIXME( file, "UNC name (%s) not supported.\n", filename );
 494         SetLastError( ERROR_PATH_NOT_FOUND );
 495         return HFILE_ERROR;
 496     }
 497
 498     /* Open a console for CONIN$ or CONOUT$ */
 499     if (!lstrcmpiA(filename, "CONIN$")) return CONSOLE_OpenHandle( FALSE, access, sa );
 500     if (!lstrcmpiA(filename, "CONOUT$")) return CONSOLE_OpenHandle( TRUE, access, sa );
 501
 502     if (DOSFS_GetDevice( filename ))
 503     {
 504         HFILE   ret;
 505
 506         TRACE(file, "opening device '%s'\n", filename );
 507
 508         if (HFILE_ERROR!=(ret=DOSFS_OpenDevice( filename, access )))
 509                 return ret;
 510
 511         /* Do not silence this please. It is a critical error. -MM */
 512         ERR(file, "Couldn't open device '%s'!\n",filename);
 513         SetLastError( ERROR_FILE_NOT_FOUND );
 514         return HFILE_ERROR;
 515     }
 516
 517     /* check for filename, don't check for last entry if creating */
 518     if (!DOSFS_GetFullName( filename,
 519                (creation == OPEN_EXISTING) || (creation == TRUNCATE_EXISTING), &full_name ))
 520         return HFILE_ERROR;
 521
 522     return FILE_CreateFile( full_name.long_name, access, sharing,
 523                             sa, creation, attributes, template );
 524 }
 525
 526
 527
 528 /*************************************************************************
 529  *              CreateFile32W              (KERNEL32.48)
 530  */
 531 HFILE WINAPI CreateFileW( LPCWSTR filename, DWORD access, DWORD sharing,
 532                               LPSECURITY_ATTRIBUTES sa, DWORD creation,
 533                               DWORD attributes, HANDLE template)
 534 {
 535     LPSTR afn = HEAP_strdupWtoA( GetProcessHeap(), 0, filename );
 536     HFILE res = CreateFileA( afn, access, sharing, sa, creation, attributes, template );
 537     HeapFree( GetProcessHeap(), 0, afn );
 538     return res;
 539 }
 540
 541
 542 /***********************************************************************
 543  *           FILE_FillInfo
 544  *
 545  * Fill a file information from a struct stat.
 546  */
 547 static void FILE_FillInfo( struct stat *st, BY_HANDLE_FILE_INFORMATION *info )
 548 {
 549     if (S_ISDIR(st->st_mode))
 550         info->dwFileAttributes = FILE_ATTRIBUTE_DIRECTORY;
 551     else
 552         info->dwFileAttributes = FILE_ATTRIBUTE_ARCHIVE;
 553     if (!(st->st_mode & S_IWUSR))
 554         info->dwFileAttributes |= FILE_ATTRIBUTE_READONLY;
 555
 556     DOSFS_UnixTimeToFileTime( st->st_mtime, &info->ftCreationTime, 0 );
 557     DOSFS_UnixTimeToFileTime( st->st_mtime, &info->ftLastWriteTime, 0 );
 558     DOSFS_UnixTimeToFileTime( st->st_atime, &info->ftLastAccessTime, 0 );
 559
 560     info->dwVolumeSerialNumber = 0;  /* FIXME */
 561     info->nFileSizeHigh = 0;
 562     info->nFileSizeLow  = S_ISDIR(st->st_mode) ? 0 : st->st_size;
 563     info->nNumberOfLinks = st->st_nlink;
 564     info->nFileIndexHigh = 0;
 565     info->nFileIndexLow  = st->st_ino;
 566 }
 567
 568
 569 /***********************************************************************
 570  *           FILE_Stat
 571  *
 572  * Stat a Unix path name. Return TRUE if OK.
 573  */
 574 BOOL FILE_Stat( LPCSTR unixName, BY_HANDLE_FILE_INFORMATION *info )
 575 {
 576     struct stat st;
 577
 578     if (!unixName || !info) return FALSE;
 579
 580     if (stat( unixName, &st ) == -1)
 581     {
 582         FILE_SetDosError();
 583         return FALSE;
 584     }
 585     FILE_FillInfo( &st, info );
 586     return TRUE;
 587 }
 588
 589
 590 /***********************************************************************
 591  *             GetFileInformationByHandle   (KERNEL32.219)
 592  */
 593 DWORD WINAPI GetFileInformationByHandle( HFILE hFile,
 594                                          BY_HANDLE_FILE_INFORMATION *info )
 595 {
 596     struct get_file_info_request req;
 597     struct get_file_info_reply reply;
 598
 599     if (!info) return 0;
 600     if ((req.handle = HANDLE_GetServerHandle( PROCESS_Current(), hFile,
 601                                               K32OBJ_FILE, 0 )) == -1)
 602         return 0;
 603     CLIENT_SendRequest( REQ_GET_FILE_INFO, -1, 1, &req, sizeof(req) );
 604     if (CLIENT_WaitSimpleReply( &reply, sizeof(reply), NULL ))
 605         return 0;
 606     DOSFS_UnixTimeToFileTime( reply.write_time, &info->ftCreationTime, 0 );
 607     DOSFS_UnixTimeToFileTime( reply.write_time, &info->ftLastWriteTime, 0 );
 608     DOSFS_UnixTimeToFileTime( reply.access_time, &info->ftLastAccessTime, 0 );
 609     info->dwFileAttributes     = reply.attr;
 610     info->dwVolumeSerialNumber = reply.serial;
 611     info->nFileSizeHigh        = reply.size_high;
 612     info->nFileSizeLow         = reply.size_low;
 613     info->nNumberOfLinks       = reply.links;
 614     info->nFileIndexHigh       = reply.index_high;
 615     info->nFileIndexLow        = reply.index_low;
 616     return 1;
 617 }
 618
 619
 620 /**************************************************************************
 621  *           GetFileAttributes16   (KERNEL.420)
 622  */
 623 DWORD WINAPI GetFileAttributes16( LPCSTR name )
 624 {
 625     return GetFileAttributesA( name );
 626 }
 627
 628
 629 /**************************************************************************
 630  *           GetFileAttributes32A   (KERNEL32.217)
 631  */
 632 DWORD WINAPI GetFileAttributesA( LPCSTR name )
 633 {
 634     DOS_FULL_NAME full_name;
 635     BY_HANDLE_FILE_INFORMATION info;
 636
 637     if (name == NULL || *name=='\0') return -1;
 638
 639     if (!DOSFS_GetFullName( name, TRUE, &full_name )) return -1;
 640     if (!FILE_Stat( full_name.long_name, &info )) return -1;
 641     return info.dwFileAttributes;
 642 }
 643
 644
 645 /**************************************************************************
 646  *           GetFileAttributes32W   (KERNEL32.218)
 647  */
 648 DWORD WINAPI GetFileAttributesW( LPCWSTR name )
 649 {
 650     LPSTR nameA = HEAP_strdupWtoA( GetProcessHeap(), 0, name );
 651     DWORD res = GetFileAttributesA( nameA );
 652     HeapFree( GetProcessHeap(), 0, nameA );
 653     return res;
 654 }
 655
 656
 657 /***********************************************************************
 658  *           GetFileSize   (KERNEL32.220)
 659  */
 660 DWORD WINAPI GetFileSize( HFILE hFile, LPDWORD filesizehigh )
 661 {
 662     BY_HANDLE_FILE_INFORMATION info;
 663     if (!GetFileInformationByHandle( hFile, &info )) return 0;
 664     if (filesizehigh) *filesizehigh = info.nFileSizeHigh;
 665     return info.nFileSizeLow;
 666 }
 667
 668
 669 /***********************************************************************
 670  *           GetFileTime   (KERNEL32.221)
 671  */
 672 BOOL WINAPI GetFileTime( HFILE hFile, FILETIME *lpCreationTime,
 673                            FILETIME *lpLastAccessTime,
 674                            FILETIME *lpLastWriteTime )
 675 {
 676     BY_HANDLE_FILE_INFORMATION info;
 677     if (!GetFileInformationByHandle( hFile, &info )) return FALSE;
 678     if (lpCreationTime)   *lpCreationTime   = info.ftCreationTime;
 679     if (lpLastAccessTime) *lpLastAccessTime = info.ftLastAccessTime;
 680     if (lpLastWriteTime)  *lpLastWriteTime  = info.ftLastWriteTime;
 681     return TRUE;
 682 }
 683
 684 /***********************************************************************
 685  *           CompareFileTime   (KERNEL32.28)
 686  */
 687 INT WINAPI CompareFileTime( LPFILETIME x, LPFILETIME y )
 688 {
 689         if (!x || !y) return -1;
 690
 691         if (x->dwHighDateTime > y->dwHighDateTime)
 692                 return 1;
 693         if (x->dwHighDateTime < y->dwHighDateTime)
 694                 return -1;
 695         if (x->dwLowDateTime > y->dwLowDateTime)
 696                 return 1;
 697         if (x->dwLowDateTime < y->dwLowDateTime)
 698                 return -1;
 699         return 0;
 700 }
 701
 702
 703 /***********************************************************************
 704  *           GetTempFileName16   (KERNEL.97)
 705  */
 706 UINT16 WINAPI GetTempFileName16( BYTE drive, LPCSTR prefix, UINT16 unique,
 707                                  LPSTR buffer )
 708 {
 709     char temppath[144];
 710
 711     if (!(drive & ~TF_FORCEDRIVE)) /* drive 0 means current default drive */
 712         drive |= DRIVE_GetCurrentDrive() + 'A';
 713
 714     if ((drive & TF_FORCEDRIVE) &&
 715         !DRIVE_IsValid( toupper(drive & ~TF_FORCEDRIVE) - 'A' ))
 716     {
 717         drive &= ~TF_FORCEDRIVE;
 718         WARN(file, "invalid drive %d specified\n", drive );
 719     }
 720
 721     if (drive & TF_FORCEDRIVE)
 722         sprintf(temppath,"%c:", drive & ~TF_FORCEDRIVE );
 723     else
 724         GetTempPathA( 132, temppath );
 725     return (UINT16)GetTempFileNameA( temppath, prefix, unique, buffer );
 726 }
 727
 728
 729 /***********************************************************************
 730  *           GetTempFileName32A   (KERNEL32.290)
 731  */
 732 UINT WINAPI GetTempFileNameA( LPCSTR path, LPCSTR prefix, UINT unique,
 733                                   LPSTR buffer)
 734 {
 735     static UINT unique_temp;
 736     DOS_FULL_NAME full_name;
 737     int i;
 738     LPSTR p;
 739     UINT num;
 740
 741     if ( !path || !prefix || !buffer ) return 0;
 742
 743     if (!unique_temp) unique_temp = time(NULL) & 0xffff;
 744     num = unique ? (unique & 0xffff) : (unique_temp++ & 0xffff);
 745
 746     strcpy( buffer, path );
 747     p = buffer + strlen(buffer);
 748
 749     /* add a \, if there isn't one and path is more than just the drive letter ... */
 750     if ( !((strlen(buffer) == 2) && (buffer[1] == ':'))
 751         && ((p == buffer) || (p[-1] != '\\'))) *p++ = '\\';
 752
 753     *p++ = '~';
 754     for (i = 3; (i > 0) && (*prefix); i--) *p++ = *prefix++;
 755     sprintf( p, "%04x.tmp", num );
 756
 757     /* Now try to create it */
 758
 759     if (!unique)
 760     {
 761         do
 762         {
 763             HFILE handle = CreateFileA( buffer, GENERIC_WRITE, 0, NULL,
 764                                             CREATE_NEW, FILE_ATTRIBUTE_NORMAL, -1 );
 765             if (handle != INVALID_HANDLE_VALUE)
 766             {  /* We created it */
 767                 TRACE(file, "created %s\n",
 768                               buffer);
 769                 CloseHandle( handle );
 770                 break;
 771             }
 772             if (GetLastError() != ERROR_FILE_EXISTS)
 773                 break;  /* No need to go on */
 774             num++;
 775             sprintf( p, "%04x.tmp", num );
 776         } while (num != (unique & 0xffff));
 777     }
 778
 779     /* Get the full path name */
 780
 781     if (DOSFS_GetFullName( buffer, FALSE, &full_name ))
 782     {
 783         /* Check if we have write access in the directory */
 784         if ((p = strrchr( full_name.long_name, '/' ))) *p = '\0';
 785         if (access( full_name.long_name, W_OK ) == -1)
 786             WARN(file, "returns '%s', which doesn't seem to be writeable.\n",
 787                  buffer);
 788     }
 789     TRACE(file, "returning %s\n", buffer );
 790     return unique ? unique : num;
 791 }
 792
 793
 794 /***********************************************************************
 795  *           GetTempFileName32W   (KERNEL32.291)
 796  */
 797 UINT WINAPI GetTempFileNameW( LPCWSTR path, LPCWSTR prefix, UINT unique,
 798                                   LPWSTR buffer )
 799 {
 800     LPSTR   patha,prefixa;
 801     char    buffera[144];
 802     UINT  ret;
 803
 804     if (!path) return 0;
 805     patha   = HEAP_strdupWtoA( GetProcessHeap(), 0, path );
 806     prefixa = HEAP_strdupWtoA( GetProcessHeap(), 0, prefix );
 807     ret     = GetTempFileNameA( patha, prefixa, unique, buffera );
 808     lstrcpyAtoW( buffer, buffera );
 809     HeapFree( GetProcessHeap(), 0, patha );
 810     HeapFree( GetProcessHeap(), 0, prefixa );
 811     return ret;
 812 }
 813
 814
 815 /***********************************************************************
 816  *           FILE_DoOpenFile
 817  *
 818  * Implementation of OpenFile16() and OpenFile32().
 819  */
 820 static HFILE FILE_DoOpenFile( LPCSTR name, OFSTRUCT *ofs, UINT mode,
 821                                 BOOL win32 )
 822 {
 823     HFILE hFileRet;
 824     FILETIME filetime;
 825     WORD filedatetime[2];
 826     DOS_FULL_NAME full_name;
 827     DWORD access, sharing;
 828     char *p;
 829
 830     if (!ofs) return HFILE_ERROR;
 831
 832     ofs->cBytes = sizeof(OFSTRUCT);
 833     ofs->nErrCode = 0;
 834     if (mode & OF_REOPEN) name = ofs->szPathName;
 835
 836     if (!name) {
 837         ERR(file, "called with `name' set to NULL ! Please debug.\n");
 838         return HFILE_ERROR;
 839     }
 840
 841     TRACE(file, "%s %04x\n", name, mode );
 842
 843     /* the watcom 10.6 IDE relies on a valid path returned in ofs->szPathName
 844        Are there any cases where getting the path here is wrong?
 845        Uwe Bonnes 1997 Apr 2 */
 846     if (!GetFullPathNameA( name, sizeof(ofs->szPathName),
 847                              ofs->szPathName, NULL )) goto error;
 848     FILE_ConvertOFMode( mode, &access, &sharing );
 849
 850     /* OF_PARSE simply fills the structure */
 851
 852     if (mode & OF_PARSE)
 853     {
 854         ofs->fFixedDisk = (GetDriveType16( ofs->szPathName[0]-'A' )
 855                            != DRIVE_REMOVABLE);
 856         TRACE(file, "(%s): OF_PARSE, res = '%s'\n",
 857                       name, ofs->szPathName );
 858         return 0;
 859     }
 860
 861     /* OF_CREATE is completely different from all other options, so
 862        handle it first */
 863
 864     if (mode & OF_CREATE)
 865     {
 866         if ((hFileRet = CreateFileA( name, GENERIC_READ | GENERIC_WRITE,
 867                                        sharing, NULL, CREATE_ALWAYS,
 868                                        FILE_ATTRIBUTE_NORMAL, -1 ))== INVALID_HANDLE_VALUE)
 869             goto error;
 870         goto success;
 871     }
 872
 873     /* If OF_SEARCH is set, ignore the given path */
 874
 875     if ((mode & OF_SEARCH) && !(mode & OF_REOPEN))
 876     {
 877         /* First try the file name as is */
 878         if (DOSFS_GetFullName( name, TRUE, &full_name )) goto found;
 879         /* Now remove the path */
 880         if (name[0] && (name[1] == ':')) name += 2;
 881         if ((p = strrchr( name, '\\' ))) name = p + 1;
 882         if ((p = strrchr( name, '/' ))) name = p + 1;
 883         if (!name[0]) goto not_found;
 884     }
 885
 886     /* Now look for the file */
 887
 888     if (!DIR_SearchPath( NULL, name, NULL, &full_name, win32 )) goto not_found;
 889
 890 found:
 891     TRACE(file, "found %s = %s\n",
 892                   full_name.long_name, full_name.short_name );
 893     lstrcpynA( ofs->szPathName, full_name.short_name,
 894                  sizeof(ofs->szPathName) );
 895
 896     if (mode & OF_SHARE_EXCLUSIVE)
 897       /* Some InstallShield version uses OF_SHARE_EXCLUSIVE
 898          on the file <tempdir>/_ins0432._mp to determine how
 899          far installation has proceeded.
 900          _ins0432._mp is an executable and while running the
 901          application expects the open with OF_SHARE_ to fail*/
 902       /* Probable FIXME:
 903          As our loader closes the files after loading the executable,
 904          we can't find the running executable with FILE_InUse.
 905          Perhaps the loader should keep the file open.
 906          Recheck against how Win handles that case */
 907       {
 908         char *last = strrchr(full_name.long_name,'/');
 909         if (!last)
 910           last = full_name.long_name - 1;
 911         if (GetModuleHandle16(last+1))
 912           {
 913             TRACE(file,"Denying shared open for %s\n",full_name.long_name);
 914             return HFILE_ERROR;
 915           }
 916       }
 917
 918     if (mode & OF_DELETE)
 919     {
 920         if (unlink( full_name.long_name ) == -1) goto not_found;
 921         TRACE(file, "(%s): OF_DELETE return = OK\n", name);
 922         return 1;
 923     }
 924
 925     hFileRet = FILE_CreateFile( full_name.long_name, access, sharing,
 926                                 NULL, OPEN_EXISTING, 0, -1 );
 927     if (hFileRet == HFILE_ERROR) goto not_found;
 928
 929     GetFileTime( hFileRet, NULL, NULL, &filetime );
 930     FileTimeToDosDateTime( &filetime, &filedatetime[0], &filedatetime[1] );
 931     if ((mode & OF_VERIFY) && (mode & OF_REOPEN))
 932     {
 933         if (memcmp( ofs->reserved, filedatetime, sizeof(ofs->reserved) ))
 934         {
 935             CloseHandle( hFileRet );
 936             WARN(file, "(%s): OF_VERIFY failed\n", name );
 937             /* FIXME: what error here? */
 938             SetLastError( ERROR_FILE_NOT_FOUND );
 939             goto error;
 940         }
 941     }
 942     memcpy( ofs->reserved, filedatetime, sizeof(ofs->reserved) );
 943
 944 success:  /* We get here if the open was successful */
 945     TRACE(file, "(%s): OK, return = %d\n", name, hFileRet );
 946     if (win32)
 947     {
 948         if (mode & OF_EXIST) /* Return the handle, but close it first */
 949             CloseHandle( hFileRet );
 950     }
 951     else
 952     {
 953         hFileRet = FILE_AllocDosHandle( hFileRet );
 954         if (hFileRet == HFILE_ERROR16) goto error;
 955         if (mode & OF_EXIST) /* Return the handle, but close it first */
 956             _lclose16( hFileRet );
 957     }
 958     return hFileRet;
 959
 960 not_found:  /* We get here if the file does not exist */
 961     WARN(file, "'%s' not found\n", name );
 962     SetLastError( ERROR_FILE_NOT_FOUND );
 963     /* fall through */
 964
 965 error:  /* We get here if there was an error opening the file */
 966     ofs->nErrCode = GetLastError();
 967     WARN(file, "(%s): return = HFILE_ERROR error= %d\n",
 968                   name,ofs->nErrCode );
 969     return HFILE_ERROR;
 970 }
 971
 972
 973 /***********************************************************************
 974  *           OpenFile16   (KERNEL.74)
 975  */
 976 HFILE16 WINAPI OpenFile16( LPCSTR name, OFSTRUCT *ofs, UINT16 mode )
 977 {
 978     return FILE_DoOpenFile( name, ofs, mode, FALSE );
 979 }
 980
 981
 982 /***********************************************************************
 983  *           OpenFile32   (KERNEL32.396)
 984  */
 985 HFILE WINAPI OpenFile( LPCSTR name, OFSTRUCT *ofs, UINT mode )
 986 {
 987     return FILE_DoOpenFile( name, ofs, mode, TRUE );
 988 }
 989
 990
 991 /***********************************************************************
 992  *           FILE_InitProcessDosHandles
 993  *
 994  * Allocates the default DOS handles for a process. Called either by
 995  * AllocDosHandle below or by the DOSVM stuff.
 996  */
 997 BOOL FILE_InitProcessDosHandles( void ) {
 998         HANDLE *ptr;
 999
1000         if (!(ptr = HeapAlloc( SystemHeap, HEAP_ZERO_MEMORY,
1001                                sizeof(*ptr) * DOS_TABLE_SIZE )))
1002             return FALSE;
1003         PROCESS_Current()->dos_handles = ptr;
1004         ptr[0] = GetStdHandle(STD_INPUT_HANDLE);
1005         ptr[1] = GetStdHandle(STD_OUTPUT_HANDLE);
1006         ptr[2] = GetStdHandle(STD_ERROR_HANDLE);
1007         ptr[3] = GetStdHandle(STD_ERROR_HANDLE);
1008         ptr[4] = GetStdHandle(STD_ERROR_HANDLE);
1009         return TRUE;
1010 }
1011
1012 /***********************************************************************
1013  *           FILE_AllocDosHandle
1014  *
1015  * Allocate a DOS handle for a Win32 handle. The Win32 handle is no
1016  * longer valid after this function (even on failure).
1017  */
1018 HFILE16 FILE_AllocDosHandle( HANDLE handle )
1019 {
1020     int i;
1021     HANDLE *ptr = PROCESS_Current()->dos_handles;
1022
1023     if (!handle || (handle == INVALID_HANDLE_VALUE))
1024         return INVALID_HANDLE_VALUE16;
1025
1026     if (!ptr) {
1027         if (!FILE_InitProcessDosHandles())
1028             goto error;
1029         ptr = PROCESS_Current()->dos_handles;
1030     }
1031
1032     for (i = 0; i < DOS_TABLE_SIZE; i++, ptr++)
1033         if (!*ptr)
1034         {
1035             *ptr = handle;
1036             TRACE( file, "Got %d for h32 %d\n", i, handle );
1037             return i;
1038         }
1039 error:
1040     CloseHandle( handle );
1041     SetLastError( ERROR_TOO_MANY_OPEN_FILES );
1042     return INVALID_HANDLE_VALUE16;
1043 }
1044
1045
1046 /***********************************************************************
1047  *           FILE_GetHandle32
1048  *
1049  * Return the Win32 handle for a DOS handle.
1050  */
1051 HANDLE FILE_GetHandle( HFILE16 hfile )
1052 {
1053     HANDLE *table = PROCESS_Current()->dos_handles;
1054     if ((hfile >= DOS_TABLE_SIZE) || !table || !table[hfile])
1055     {
1056         SetLastError( ERROR_INVALID_HANDLE );
1057         return INVALID_HANDLE_VALUE;
1058     }
1059     return table[hfile];
1060 }
1061
1062
1063 /***********************************************************************
1064  *           FILE_Dup2
1065  *
1066  * dup2() function for DOS handles.
1067  */
1068 HFILE16 FILE_Dup2( HFILE16 hFile1, HFILE16 hFile2 )
1069 {
1070     HANDLE *table = PROCESS_Current()->dos_handles;
1071     HANDLE new_handle;
1072
1073     if ((hFile1 >= DOS_TABLE_SIZE) || (hFile2 >= DOS_TABLE_SIZE) ||
1074         !table || !table[hFile1])
1075     {
1076         SetLastError( ERROR_INVALID_HANDLE );
1077         return HFILE_ERROR16;
1078     }
1079     if (hFile2 < 5)
1080     {
1081         FIXME( file, "stdio handle closed, need proper conversion\n" );
1082         SetLastError( ERROR_INVALID_HANDLE );
1083         return HFILE_ERROR16;
1084     }
1085     if (!DuplicateHandle( GetCurrentProcess(), table[hFile1],
1086                           GetCurrentProcess(), &new_handle,
1087                           0, FALSE, DUPLICATE_SAME_ACCESS ))
1088         return HFILE_ERROR16;
1089     if (table[hFile2]) CloseHandle( table[hFile2] );
1090     table[hFile2] = new_handle;
1091     return hFile2;
1092 }
1093
1094
1095 /***********************************************************************
1096  *           _lclose16   (KERNEL.81)
1097  */
1098 HFILE16 WINAPI _lclose16( HFILE16 hFile )
1099 {
1100     HANDLE *table = PROCESS_Current()->dos_handles;
1101
1102     if (hFile < 5)
1103     {
1104         FIXME( file, "stdio handle closed, need proper conversion\n" );
1105         SetLastError( ERROR_INVALID_HANDLE );
1106         return HFILE_ERROR16;
1107     }
1108     if ((hFile >= DOS_TABLE_SIZE) || !table || !table[hFile])
1109     {
1110         SetLastError( ERROR_INVALID_HANDLE );
1111         return HFILE_ERROR16;
1112     }
1113     TRACE( file, "%d (handle32=%d)\n", hFile, table[hFile] );
1114     CloseHandle( table[hFile] );
1115     table[hFile] = 0;
1116     return 0;
1117 }
1118
1119
1120 /***********************************************************************
1121  *           _lclose32   (KERNEL32.592)
1122  */
1123 HFILE WINAPI _lclose( HFILE hFile )
1124 {
1125     TRACE(file, "handle %d\n", hFile );
1126     return CloseHandle( hFile ) ? 0 : HFILE_ERROR;
1127 }
1128
1129
1130 /***********************************************************************
1131  *              ReadFile                (KERNEL32.428)
1132  */
1133 BOOL WINAPI ReadFile( HANDLE hFile, LPVOID buffer, DWORD bytesToRead,
1134                         LPDWORD bytesRead, LPOVERLAPPED overlapped )
1135 {
1136     struct get_read_fd_request req;
1137     int unix_handle, result;
1138
1139     TRACE(file, "%d %p %ld\n", hFile, buffer, bytesToRead );
1140
1141     if (bytesRead) *bytesRead = 0;  /* Do this before anything else */
1142     if (!bytesToRead) return TRUE;
1143
1144     if ((req.handle = HANDLE_GetServerHandle( PROCESS_Current(), hFile,
1145                                               K32OBJ_UNKNOWN, GENERIC_READ )) == -1)
1146         return FALSE;
1147     CLIENT_SendRequest( REQ_GET_READ_FD, -1, 1, &req, sizeof(req) );
1148     CLIENT_WaitReply( NULL, &unix_handle, 0 );
1149     if (unix_handle == -1) return FALSE;
1150     while ((result = read( unix_handle, buffer, bytesToRead )) == -1)
1151     {
1152         if ((errno == EAGAIN) || (errno == EINTR)) continue;
1153         if ((errno == EFAULT) && VIRTUAL_HandleFault( buffer )) continue;
1154         FILE_SetDosError();
1155         break;
1156     }
1157     close( unix_handle );
1158     if (result == -1) return FALSE;
1159     if (bytesRead) *bytesRead = result;
1160     return TRUE;
1161 }
1162
1163
1164 /***********************************************************************
1165  *             WriteFile               (KERNEL32.578)
1166  */
1167 BOOL WINAPI WriteFile( HANDLE hFile, LPCVOID buffer, DWORD bytesToWrite,
1168                          LPDWORD bytesWritten, LPOVERLAPPED overlapped )
1169 {
1170     struct get_write_fd_request req;
1171     int unix_handle, result;
1172
1173     TRACE(file, "%d %p %ld\n", hFile, buffer, bytesToWrite );
1174
1175     if (bytesWritten) *bytesWritten = 0;  /* Do this before anything else */
1176     if (!bytesToWrite) return TRUE;
1177
1178     if ((req.handle = HANDLE_GetServerHandle( PROCESS_Current(), hFile,
1179                                               K32OBJ_UNKNOWN, GENERIC_WRITE )) == -1)
1180         return FALSE;
1181     CLIENT_SendRequest( REQ_GET_WRITE_FD, -1, 1, &req, sizeof(req) );
1182     CLIENT_WaitReply( NULL, &unix_handle, 0 );
1183     if (unix_handle == -1) return FALSE;
1184     while ((result = write( unix_handle, buffer, bytesToWrite )) == -1)
1185     {
1186         if ((errno == EAGAIN) || (errno == EINTR)) continue;
1187         if ((errno == EFAULT) && VIRTUAL_HandleFault( buffer )) continue;
1188         FILE_SetDosError();
1189         break;
1190     }
1191     close( unix_handle );
1192     if (result == -1) return FALSE;
1193     if (bytesWritten) *bytesWritten = result;
1194     return TRUE;
1195 }
1196
1197
1198 /***********************************************************************
1199  *           WIN16_hread
1200  */
1201 LONG WINAPI WIN16_hread( HFILE16 hFile, SEGPTR buffer, LONG count )
1202 {
1203     LONG maxlen;
1204
1205     TRACE(file, "%d %08lx %ld\n",
1206                   hFile, (DWORD)buffer, count );
1207
1208     /* Some programs pass a count larger than the allocated buffer */
1209     maxlen = GetSelectorLimit16( SELECTOROF(buffer) ) - OFFSETOF(buffer) + 1;
1210     if (count > maxlen) count = maxlen;
1211     return _lread(FILE_GetHandle(hFile), PTR_SEG_TO_LIN(buffer), count );
1212 }
1213
1214
1215 /***********************************************************************
1216  *           WIN16_lread
1217  */
1218 UINT16 WINAPI WIN16_lread( HFILE16 hFile, SEGPTR buffer, UINT16 count )
1219 {
1220     return (UINT16)WIN16_hread( hFile, buffer, (LONG)count );
1221 }
1222
1223
1224 /***********************************************************************
1225  *           _lread32   (KERNEL32.596)
1226  */
1227 UINT WINAPI _lread( HFILE handle, LPVOID buffer, UINT count )
1228 {
1229     DWORD result;
1230     if (!ReadFile( handle, buffer, count, &result, NULL )) return -1;
1231     return result;
1232 }
1233
1234
1235 /***********************************************************************
1236  *           _lread16   (KERNEL.82)
1237  */
1238 UINT16 WINAPI _lread16( HFILE16 hFile, LPVOID buffer, UINT16 count )
1239 {
1240     return (UINT16)_lread(FILE_GetHandle(hFile), buffer, (LONG)count );
1241 }
1242
1243
1244 /***********************************************************************
1245  *           _lcreat16   (KERNEL.83)
1246  */
1247 HFILE16 WINAPI _lcreat16( LPCSTR path, INT16 attr )
1248 {
1249     TRACE(file, "%s %02x\n", path, attr );
1250     return FILE_AllocDosHandle( _lcreat( path, attr ) );
1251 }
1252
1253
1254 /***********************************************************************
1255  *           _lcreat32   (KERNEL32.593)
1256  */
1257 HFILE WINAPI _lcreat( LPCSTR path, INT attr )
1258 {
1259     TRACE(file, "%s %02x\n", path, attr );
1260     return CreateFileA( path, GENERIC_READ | GENERIC_WRITE,
1261                           FILE_SHARE_READ | FILE_SHARE_WRITE, NULL,
1262                           CREATE_ALWAYS, attr, -1 );
1263 }
1264
1265
1266 /***********************************************************************
1267  *           _lcreat16_uniq   (Not a Windows API)
1268  */
1269 HFILE16 _lcreat16_uniq( LPCSTR path, INT attr )
1270 {
1271     TRACE(file, "%s %02x\n", path, attr );
1272     return FILE_AllocDosHandle( CreateFileA( path, GENERIC_READ | GENERIC_WRITE,
1273                                                FILE_SHARE_READ | FILE_SHARE_WRITE, NULL,
1274                                                CREATE_NEW, attr, -1 ));
1275 }
1276
1277
1278 /***********************************************************************
1279  *           SetFilePointer   (KERNEL32.492)
1280  */
1281 DWORD WINAPI SetFilePointer( HFILE hFile, LONG distance, LONG *highword,
1282                              DWORD method )
1283 {
1284     struct set_file_pointer_request req;
1285     struct set_file_pointer_reply reply;
1286
1287     if (highword && *highword)
1288     {
1289         FIXME(file, "64-bit offsets not supported yet\n");
1290         SetLastError( ERROR_INVALID_PARAMETER );
1291         return 0xffffffff;
1292     }
1293     TRACE(file, "handle %d offset %ld origin %ld\n",
1294           hFile, distance, method );
1295
1296     if ((req.handle = HANDLE_GetServerHandle( PROCESS_Current(), hFile,
1297                                               K32OBJ_FILE, 0 )) == -1)
1298         return 0xffffffff;
1299     req.low = distance;
1300     req.high = highword ? *highword : 0;
1301     /* FIXME: assumes 1:1 mapping between Windows and Unix seek constants */
1302     req.whence = method;
1303     CLIENT_SendRequest( REQ_SET_FILE_POINTER, -1, 1, &req, sizeof(req) );
1304     if (CLIENT_WaitSimpleReply( &reply, sizeof(reply), NULL )) return 0xffffffff;
1305     SetLastError( 0 );
1306     if (highword) *highword = reply.high;
1307     return reply.low;
1308 }
1309
1310
1311 /***********************************************************************
1312  *           _llseek16   (KERNEL.84)
1313  *
1314  * FIXME:
1315  *   Seeking before the start of the file should be allowed for _llseek16,
1316  *   but cause subsequent I/O operations to fail (cf. interrupt list)
1317  *
1318  */
1319 LONG WINAPI _llseek16( HFILE16 hFile, LONG lOffset, INT16 nOrigin )
1320 {
1321     return SetFilePointer( FILE_GetHandle(hFile), lOffset, NULL, nOrigin );
1322 }
1323
1324
1325 /***********************************************************************
1326  *           _llseek32   (KERNEL32.594)
1327  */
1328 LONG WINAPI _llseek( HFILE hFile, LONG lOffset, INT nOrigin )
1329 {
1330     return SetFilePointer( hFile, lOffset, NULL, nOrigin );
1331 }
1332
1333
1334 /***********************************************************************
1335  *           _lopen16   (KERNEL.85)
1336  */
1337 HFILE16 WINAPI _lopen16( LPCSTR path, INT16 mode )
1338 {
1339     return FILE_AllocDosHandle( _lopen( path, mode ) );
1340 }
1341
1342
1343 /***********************************************************************
1344  *           _lopen32   (KERNEL32.595)
1345  */
1346 HFILE WINAPI _lopen( LPCSTR path, INT mode )
1347 {
1348     DWORD access, sharing;
1349
1350     TRACE(file, "('%s',%04x)\n", path, mode );
1351     FILE_ConvertOFMode( mode, &access, &sharing );
1352     return CreateFileA( path, access, sharing, NULL, OPEN_EXISTING, 0, -1 );
1353 }
1354
1355
1356 /***********************************************************************
1357  *           _lwrite16   (KERNEL.86)
1358  */
1359 UINT16 WINAPI _lwrite16( HFILE16 hFile, LPCSTR buffer, UINT16 count )
1360 {
1361     return (UINT16)_hwrite( FILE_GetHandle(hFile), buffer, (LONG)count );
1362 }
1363
1364 /***********************************************************************
1365  *           _lwrite32   (KERNEL32.761)
1366  */
1367 UINT WINAPI _lwrite( HFILE hFile, LPCSTR buffer, UINT count )
1368 {
1369     return (UINT)_hwrite( hFile, buffer, (LONG)count );
1370 }
1371
1372
1373 /***********************************************************************
1374  *           _hread16   (KERNEL.349)
1375  */
1376 LONG WINAPI _hread16( HFILE16 hFile, LPVOID buffer, LONG count)
1377 {
1378     return _lread( FILE_GetHandle(hFile), buffer, count );
1379 }
1380
1381
1382 /***********************************************************************
1383  *           _hread32   (KERNEL32.590)
1384  */
1385 LONG WINAPI _hread( HFILE hFile, LPVOID buffer, LONG count)
1386 {
1387     return _lread( hFile, buffer, count );
1388 }
1389
1390
1391 /***********************************************************************
1392  *           _hwrite16   (KERNEL.350)
1393  */
1394 LONG WINAPI _hwrite16( HFILE16 hFile, LPCSTR buffer, LONG count )
1395 {
1396     return _hwrite( FILE_GetHandle(hFile), buffer, count );
1397 }
1398
1399
1400 /***********************************************************************
1401  *           _hwrite32   (KERNEL32.591)
1402  *
1403  *      experimentation yields that _lwrite:
1404  *              o truncates the file at the current position with
1405  *                a 0 len write
1406  *              o returns 0 on a 0 length write
1407  *              o works with console handles
1408  *
1409  */
1410 LONG WINAPI _hwrite( HFILE handle, LPCSTR buffer, LONG count )
1411 {
1412     DWORD result;
1413
1414     TRACE(file, "%d %p %ld\n", handle, buffer, count );
1415
1416     if (!count)
1417     {
1418         /* Expand or truncate at current position */
1419         if (!SetEndOfFile( handle )) return HFILE_ERROR;
1420         return 0;
1421     }
1422     if (!WriteFile( handle, buffer, count, &result, NULL ))
1423         return HFILE_ERROR;
1424     return result;
1425 }
1426
1427
1428 /***********************************************************************
1429  *           SetHandleCount16   (KERNEL.199)
1430  */
1431 UINT16 WINAPI SetHandleCount16( UINT16 count )
1432 {
1433     HGLOBAL16 hPDB = GetCurrentPDB16();
1434     PDB16 *pdb = (PDB16 *)GlobalLock16( hPDB );
1435     BYTE *files = PTR_SEG_TO_LIN( pdb->fileHandlesPtr );
1436
1437     TRACE(file, "(%d)\n", count );
1438
1439     if (count < 20) count = 20;  /* No point in going below 20 */
1440     else if (count > 254) count = 254;
1441
1442     if (count == 20)
1443     {
1444         if (pdb->nbFiles > 20)
1445         {
1446             memcpy( pdb->fileHandles, files, 20 );
1447             GlobalFree16( pdb->hFileHandles );
1448             pdb->fileHandlesPtr = (SEGPTR)MAKELONG( 0x18,
1449                                                    GlobalHandleToSel16( hPDB ) );
1450             pdb->hFileHandles = 0;
1451             pdb->nbFiles = 20;
1452         }
1453     }
1454     else  /* More than 20, need a new file handles table */
1455     {
1456         BYTE *newfiles;
1457         HGLOBAL16 newhandle = GlobalAlloc16( GMEM_MOVEABLE, count );
1458         if (!newhandle)
1459         {
1460             SetLastError( ERROR_NOT_ENOUGH_MEMORY );
1461             return pdb->nbFiles;
1462         }
1463         newfiles = (BYTE *)GlobalLock16( newhandle );
1464
1465         if (count > pdb->nbFiles)
1466         {
1467             memcpy( newfiles, files, pdb->nbFiles );
1468             memset( newfiles + pdb->nbFiles, 0xff, count - pdb->nbFiles );
1469         }
1470         else memcpy( newfiles, files, count );
1471         if (pdb->nbFiles > 20) GlobalFree16( pdb->hFileHandles );
1472         pdb->fileHandlesPtr = WIN16_GlobalLock16( newhandle );
1473         pdb->hFileHandles   = newhandle;
1474         pdb->nbFiles = count;
1475     }
1476     return pdb->nbFiles;
1477 }
1478
1479
1480 /*************************************************************************
1481  *           SetHandleCount32   (KERNEL32.494)
1482  */
1483 UINT WINAPI SetHandleCount( UINT count )
1484 {
1485     return MIN( 256, count );
1486 }
1487
1488
1489 /***********************************************************************
1490  *           FlushFileBuffers   (KERNEL32.133)
1491  */
1492 BOOL WINAPI FlushFileBuffers( HFILE hFile )
1493 {
1494     struct flush_file_request req;
1495
1496     if ((req.handle = HANDLE_GetServerHandle( PROCESS_Current(), hFile,
1497                                               K32OBJ_FILE, 0 )) == -1)
1498         return FALSE;
1499     CLIENT_SendRequest( REQ_FLUSH_FILE, -1, 1, &req, sizeof(req) );
1500     return !CLIENT_WaitReply( NULL, NULL, 0 );
1501 }
1502
1503
1504 /**************************************************************************
1505  *           SetEndOfFile   (KERNEL32.483)
1506  */
1507 BOOL WINAPI SetEndOfFile( HFILE hFile )
1508 {
1509     struct truncate_file_request req;
1510
1511     if ((req.handle = HANDLE_GetServerHandle( PROCESS_Current(), hFile,
1512                                               K32OBJ_FILE, 0 )) == -1)
1513         return FALSE;
1514     CLIENT_SendRequest( REQ_TRUNCATE_FILE, -1, 1, &req, sizeof(req) );
1515     return !CLIENT_WaitReply( NULL, NULL, 0 );
1516 }
1517
1518
1519 /***********************************************************************
1520  *           DeleteFile16   (KERNEL.146)
1521  */
1522 BOOL16 WINAPI DeleteFile16( LPCSTR path )
1523 {
1524     return DeleteFileA( path );
1525 }
1526
1527
1528 /***********************************************************************
1529  *           DeleteFile32A   (KERNEL32.71)
1530  */
1531 BOOL WINAPI DeleteFileA( LPCSTR path )
1532 {
1533     DOS_FULL_NAME full_name;
1534
1535     TRACE(file, "'%s'\n", path );
1536
1537     if (!*path)
1538     {
1539         ERR(file, "Empty path passed\n");
1540         return FALSE;
1541     }
1542     if (DOSFS_GetDevice( path ))
1543     {
1544         WARN(file, "cannot remove DOS device '%s'!\n", path);
1545         SetLastError( ERROR_FILE_NOT_FOUND );
1546         return FALSE;
1547     }
1548
1549     if (!DOSFS_GetFullName( path, TRUE, &full_name )) return FALSE;
1550     if (unlink( full_name.long_name ) == -1)
1551     {
1552         FILE_SetDosError();
1553         return FALSE;
1554     }
1555     return TRUE;
1556 }
1557
1558
1559 /***********************************************************************
1560  *           DeleteFile32W   (KERNEL32.72)
1561  */
1562 BOOL WINAPI DeleteFileW( LPCWSTR path )
1563 {
1564     LPSTR xpath = HEAP_strdupWtoA( GetProcessHeap(), 0, path );
1565     BOOL ret = DeleteFileA( xpath );
1566     HeapFree( GetProcessHeap(), 0, xpath );
1567     return ret;
1568 }
1569
1570
1571 /***********************************************************************
1572  *           FILE_dommap
1573  */
1574 LPVOID FILE_dommap( int unix_handle, LPVOID start,
1575                     DWORD size_high, DWORD size_low,
1576                     DWORD offset_high, DWORD offset_low,
1577                     int prot, int flags )
1578 {
1579     int fd = -1;
1580     int pos;
1581     LPVOID ret;
1582
1583     if (size_high || offset_high)
1584         FIXME(file, "offsets larger than 4Gb not supported\n");
1585
1586     if (unix_handle == -1)
1587     {
1588 #ifdef MAP_ANON
1589         flags |= MAP_ANON;
1590 #else
1591         static int fdzero = -1;
1592
1593         if (fdzero == -1)
1594         {
1595             if ((fdzero = open( "/dev/zero", O_RDONLY )) == -1)
1596             {
1597                 perror( "/dev/zero: open" );
1598                 exit(1);
1599             }
1600         }
1601         fd = fdzero;
1602 #endif  /* MAP_ANON */
1603         /* Linux EINVAL's on us if we don't pass MAP_PRIVATE to an anon mmap */
1604 #ifdef MAP_SHARED
1605         flags &= ~MAP_SHARED;
1606 #endif
1607 #ifdef MAP_PRIVATE
1608         flags |= MAP_PRIVATE;
1609 #endif
1610     }
1611     else fd = unix_handle;
1612
1613     if ((ret = mmap( start, size_low, prot,
1614                      flags, fd, offset_low )) != (LPVOID)-1)
1615         return ret;
1616
1617     /* mmap() failed; if this is because the file offset is not    */
1618     /* page-aligned (EINVAL), or because the underlying filesystem */
1619     /* does not support mmap() (ENOEXEC), we do it by hand.        */
1620
1621     if (unix_handle == -1) return ret;
1622     if ((errno != ENOEXEC) && (errno != EINVAL)) return ret;
1623     if (prot & PROT_WRITE)
1624     {
1625         /* We cannot fake shared write mappings */
1626 #ifdef MAP_SHARED
1627         if (flags & MAP_SHARED) return ret;
1628 #endif
1629 #ifdef MAP_PRIVATE
1630         if (!(flags & MAP_PRIVATE)) return ret;
1631 #endif
1632     }
1633 /*    printf( "FILE_mmap: mmap failed (%d), faking it\n", errno );*/
1634     /* Reserve the memory with an anonymous mmap */
1635     ret = FILE_dommap( -1, start, size_high, size_low, 0, 0,
1636                        PROT_READ | PROT_WRITE, flags );
1637     if (ret == (LPVOID)-1) return ret;
1638     /* Now read in the file */
1639     if ((pos = lseek( fd, offset_low, SEEK_SET )) == -1)
1640     {
1641         FILE_munmap( ret, size_high, size_low );
1642         return (LPVOID)-1;
1643     }
1644     read( fd, ret, size_low );
1645     lseek( fd, pos, SEEK_SET );  /* Restore the file pointer */
1646     mprotect( ret, size_low, prot );  /* Set the right protection */
1647     return ret;
1648 }
1649
1650
1651 /***********************************************************************
1652  *           FILE_munmap
1653  */
1654 int FILE_munmap( LPVOID start, DWORD size_high, DWORD size_low )
1655 {
1656     if (size_high)
1657       FIXME(file, "offsets larger than 4Gb not supported\n");
1658     return munmap( start, size_low );
1659 }
1660
1661
1662 /***********************************************************************
1663  *           GetFileType   (KERNEL32.222)
1664  */
1665 DWORD WINAPI GetFileType( HFILE hFile )
1666 {
1667     struct get_file_info_request req;
1668     struct get_file_info_reply reply;
1669
1670     if ((req.handle = HANDLE_GetServerHandle( PROCESS_Current(), hFile,
1671                                               K32OBJ_UNKNOWN, 0 )) == -1)
1672         return FILE_TYPE_UNKNOWN;
1673     CLIENT_SendRequest( REQ_GET_FILE_INFO, -1, 1, &req, sizeof(req) );
1674     if (CLIENT_WaitSimpleReply( &reply, sizeof(reply), NULL ))
1675         return FILE_TYPE_UNKNOWN;
1676     return reply.type;
1677 }
1678
1679
1680 /**************************************************************************
1681  *           MoveFileEx32A   (KERNEL32.???)
1682  */
1683 BOOL WINAPI MoveFileExA( LPCSTR fn1, LPCSTR fn2, DWORD flag )
1684 {
1685     DOS_FULL_NAME full_name1, full_name2;
1686     int mode=0; /* mode == 1: use copy */
1687
1688     TRACE(file, "(%s,%s,%04lx)\n", fn1, fn2, flag);
1689
1690     if (!DOSFS_GetFullName( fn1, TRUE, &full_name1 )) return FALSE;
1691     if (fn2) { /* !fn2 means delete fn1 */
1692       if (!DOSFS_GetFullName( fn2, FALSE, &full_name2 )) return FALSE;
1693       /* Source name and target path are valid */
1694       if ( full_name1.drive != full_name2.drive)
1695       {
1696         /* use copy, if allowed */
1697         if (!(flag & MOVEFILE_COPY_ALLOWED)) {
1698           /* FIXME: Use right error code */
1699           SetLastError( ERROR_FILE_EXISTS );
1700           return FALSE;
1701         }
1702         else mode =1;
1703       }
1704       if (DOSFS_GetFullName( fn2, TRUE, &full_name2 ))
1705         /* target exists, check if we may overwrite */
1706         if (!(flag & MOVEFILE_REPLACE_EXISTING)) {
1707           /* FIXME: Use right error code */
1708           SetLastError( ERROR_ACCESS_DENIED );
1709           return FALSE;
1710         }
1711     }
1712     else /* fn2 == NULL means delete source */
1713       if (flag & MOVEFILE_DELAY_UNTIL_REBOOT) {
1714         if (flag & MOVEFILE_COPY_ALLOWED) {
1715           WARN(file, "Illegal flag\n");
1716           SetLastError( ERROR_GEN_FAILURE );
1717           return FALSE;
1718         }
1719         /* FIXME: (bon@elektron.ikp.physik.th-darmstadt.de 970706)
1720            Perhaps we should queue these command and execute it
1721            when exiting... What about using on_exit(2)
1722            */
1723         FIXME(file, "Please delete file '%s' when Wine has finished\n",
1724               full_name1.long_name);
1725         return TRUE;
1726       }
1727       else if (unlink( full_name1.long_name ) == -1)
1728       {
1729         FILE_SetDosError();
1730         return FALSE;
1731       }
1732       else  return TRUE; /* successfully deleted */
1733
1734     if (flag & MOVEFILE_DELAY_UNTIL_REBOOT) {
1735         /* FIXME: (bon@elektron.ikp.physik.th-darmstadt.de 970706)
1736            Perhaps we should queue these command and execute it
1737            when exiting... What about using on_exit(2)
1738            */
1739         FIXME(file,"Please move existing file '%s' to file '%s'"
1740               "when Wine has finished\n",
1741               full_name1.long_name, full_name2.long_name);
1742         return TRUE;
1743     }
1744
1745     if (!mode) /* move the file */
1746       if (rename( full_name1.long_name, full_name2.long_name ) == -1)
1747         {
1748           FILE_SetDosError();
1749           return FALSE;
1750         }
1751       else return TRUE;
1752     else /* copy File */
1753       return CopyFileA(fn1, fn2, (!(flag & MOVEFILE_REPLACE_EXISTING)));
1754
1755 }
1756
1757 /**************************************************************************
1758  *           MoveFileEx32W   (KERNEL32.???)
1759  */
1760 BOOL WINAPI MoveFileExW( LPCWSTR fn1, LPCWSTR fn2, DWORD flag )
1761 {
1762     LPSTR afn1 = HEAP_strdupWtoA( GetProcessHeap(), 0, fn1 );
1763     LPSTR afn2 = HEAP_strdupWtoA( GetProcessHeap(), 0, fn2 );
1764     BOOL res = MoveFileExA( afn1, afn2, flag );
1765     HeapFree( GetProcessHeap(), 0, afn1 );
1766     HeapFree( GetProcessHeap(), 0, afn2 );
1767     return res;
1768 }
1769
1770
1771 /**************************************************************************
1772  *           MoveFile32A   (KERNEL32.387)
1773  *
1774  *  Move file or directory
1775  */
1776 BOOL WINAPI MoveFileA( LPCSTR fn1, LPCSTR fn2 )
1777 {
1778     DOS_FULL_NAME full_name1, full_name2;
1779     struct stat fstat;
1780
1781     TRACE(file, "(%s,%s)\n", fn1, fn2 );
1782
1783     if (!DOSFS_GetFullName( fn1, TRUE, &full_name1 )) return FALSE;
1784     if (DOSFS_GetFullName( fn2, TRUE, &full_name2 ))
1785       /* The new name must not already exist */
1786       return FALSE;
1787     if (!DOSFS_GetFullName( fn2, FALSE, &full_name2 )) return FALSE;
1788
1789     if (full_name1.drive == full_name2.drive) /* move */
1790     if (rename( full_name1.long_name, full_name2.long_name ) == -1)
1791     {
1792         FILE_SetDosError();
1793         return FALSE;
1794     }
1795       else return TRUE;
1796     else /*copy */ {
1797       if (stat(  full_name1.long_name, &fstat ))
1798         {
1799           WARN(file, "Invalid source file %s\n",
1800                         full_name1.long_name);
1801           FILE_SetDosError();
1802           return FALSE;
1803         }
1804       if (S_ISDIR(fstat.st_mode)) {
1805         /* No Move for directories across file systems */
1806         /* FIXME: Use right error code */
1807         SetLastError( ERROR_GEN_FAILURE );
1808         return FALSE;
1809       }
1810       else
1811         return CopyFileA(fn1, fn2, TRUE); /*fail, if exist */
1812     }
1813 }
1814
1815
1816 /**************************************************************************
1817  *           MoveFile32W   (KERNEL32.390)
1818  */
1819 BOOL WINAPI MoveFileW( LPCWSTR fn1, LPCWSTR fn2 )
1820 {
1821     LPSTR afn1 = HEAP_strdupWtoA( GetProcessHeap(), 0, fn1 );
1822     LPSTR afn2 = HEAP_strdupWtoA( GetProcessHeap(), 0, fn2 );
1823     BOOL res = MoveFileA( afn1, afn2 );
1824     HeapFree( GetProcessHeap(), 0, afn1 );
1825     HeapFree( GetProcessHeap(), 0, afn2 );
1826     return res;
1827 }
1828
1829
1830 /**************************************************************************
1831  *           CopyFile32A   (KERNEL32.36)
1832  */
1833 BOOL WINAPI CopyFileA( LPCSTR source, LPCSTR dest, BOOL fail_if_exists )
1834 {
1835     HFILE h1, h2;
1836     BY_HANDLE_FILE_INFORMATION info;
1837     UINT count;
1838     BOOL ret = FALSE;
1839     int mode;
1840     char buffer[2048];
1841
1842     if ((h1 = _lopen( source, OF_READ )) == HFILE_ERROR) return FALSE;
1843     if (!GetFileInformationByHandle( h1, &info ))
1844     {
1845         CloseHandle( h1 );
1846         return FALSE;
1847     }
1848     mode = (info.dwFileAttributes & FILE_ATTRIBUTE_READONLY) ? 0444 : 0666;
1849     if ((h2 = CreateFileA( dest, GENERIC_WRITE, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL,
1850                              fail_if_exists ? CREATE_NEW : CREATE_ALWAYS,
1851                              info.dwFileAttributes, h1 )) == HFILE_ERROR)
1852     {
1853         CloseHandle( h1 );
1854         return FALSE;
1855     }
1856     while ((count = _lread( h1, buffer, sizeof(buffer) )) > 0)
1857     {
1858         char *p = buffer;
1859         while (count > 0)
1860         {
1861             INT res = _lwrite( h2, p, count );
1862             if (res <= 0) goto done;
1863             p += res;
1864             count -= res;
1865         }
1866     }
1867     ret =  TRUE;
1868 done:
1869     CloseHandle( h1 );
1870     CloseHandle( h2 );
1871     return ret;
1872 }
1873
1874
1875 /**************************************************************************
1876  *           CopyFile32W   (KERNEL32.37)
1877  */
1878 BOOL WINAPI CopyFileW( LPCWSTR source, LPCWSTR dest, BOOL fail_if_exists)
1879 {
1880     LPSTR sourceA = HEAP_strdupWtoA( GetProcessHeap(), 0, source );
1881     LPSTR destA   = HEAP_strdupWtoA( GetProcessHeap(), 0, dest );
1882     BOOL ret = CopyFileA( sourceA, destA, fail_if_exists );
1883     HeapFree( GetProcessHeap(), 0, sourceA );
1884     HeapFree( GetProcessHeap(), 0, destA );
1885     return ret;
1886 }
1887
1888
1889 /**************************************************************************
1890  *           CopyFileEx32A   (KERNEL32.858)
1891  *
1892  * This implementation ignores most of the extra parameters passed-in into
1893  * the "ex" version of the method and calls the CopyFile method.
1894  * It will have to be fixed eventually.
1895  */
1896 BOOL WINAPI CopyFileExA(LPCSTR             sourceFilename,
1897                            LPCSTR             destFilename,
1898                            LPPROGRESS_ROUTINE progressRoutine,
1899                            LPVOID             appData,
1900                            LPBOOL           cancelFlagPointer,
1901                            DWORD              copyFlags)
1902 {
1903   BOOL failIfExists = FALSE;
1904
1905   /*
1906    * Interpret the only flag that CopyFile can interpret.
1907    */
1908   if ( (copyFlags & COPY_FILE_FAIL_IF_EXISTS) != 0)
1909   {
1910     failIfExists = TRUE;
1911   }
1912
1913   return CopyFileA(sourceFilename, destFilename, failIfExists);
1914 }
1915
1916 /**************************************************************************
1917  *           CopyFileEx32W   (KERNEL32.859)
1918  */
1919 BOOL WINAPI CopyFileExW(LPCWSTR            sourceFilename,
1920                            LPCWSTR            destFilename,
1921                            LPPROGRESS_ROUTINE progressRoutine,
1922                            LPVOID             appData,
1923                            LPBOOL           cancelFlagPointer,
1924                            DWORD              copyFlags)
1925 {
1926     LPSTR sourceA = HEAP_strdupWtoA( GetProcessHeap(), 0, sourceFilename );
1927     LPSTR destA   = HEAP_strdupWtoA( GetProcessHeap(), 0, destFilename );
1928
1929     BOOL ret = CopyFileExA(sourceA,
1930                               destA,
1931                               progressRoutine,
1932                               appData,
1933                               cancelFlagPointer,
1934                               copyFlags);
1935
1936     HeapFree( GetProcessHeap(), 0, sourceA );
1937     HeapFree( GetProcessHeap(), 0, destA );
1938
1939     return ret;
1940 }
1941
1942
1943 /***********************************************************************
1944  *              SetFileTime   (KERNEL32.650)
1945  */
1946 BOOL WINAPI SetFileTime( HFILE hFile,
1947                            const FILETIME *lpCreationTime,
1948                            const FILETIME *lpLastAccessTime,
1949                            const FILETIME *lpLastWriteTime )
1950 {
1951     struct set_file_time_request req;
1952
1953     if ((req.handle = HANDLE_GetServerHandle( PROCESS_Current(), hFile,
1954                                               K32OBJ_FILE, GENERIC_WRITE )) == -1)
1955         return FALSE;
1956     if (lpLastAccessTime)
1957         req.access_time = DOSFS_FileTimeToUnixTime(lpLastAccessTime, NULL);
1958     else
1959         req.access_time = 0; /* FIXME */
1960     if (lpLastWriteTime)
1961         req.write_time = DOSFS_FileTimeToUnixTime(lpLastWriteTime, NULL);
1962     else
1963         req.write_time = 0; /* FIXME */
1964
1965     CLIENT_SendRequest( REQ_SET_FILE_TIME, -1, 1, &req, sizeof(req) );
1966     return !CLIENT_WaitReply( NULL, NULL, 0 );
1967 }
1968
1969
1970 /**************************************************************************
1971  *           LockFile   (KERNEL32.511)
1972  */
1973 BOOL WINAPI LockFile( HFILE hFile, DWORD dwFileOffsetLow, DWORD dwFileOffsetHigh,
1974                         DWORD nNumberOfBytesToLockLow, DWORD nNumberOfBytesToLockHigh )
1975 {
1976     struct lock_file_request req;
1977
1978     if ((req.handle = HANDLE_GetServerHandle( PROCESS_Current(), hFile,
1979                                               K32OBJ_FILE, 0 )) == -1)
1980         return FALSE;
1981     req.offset_low  = dwFileOffsetLow;
1982     req.offset_high = dwFileOffsetHigh;
1983     req.count_low   = nNumberOfBytesToLockLow;
1984     req.count_high  = nNumberOfBytesToLockHigh;
1985     CLIENT_SendRequest( REQ_LOCK_FILE, -1, 1, &req, sizeof(req) );
1986     return !CLIENT_WaitReply( NULL, NULL, 0 );
1987 }
1988
1989
1990 /**************************************************************************
1991  *           UnlockFile   (KERNEL32.703)
1992  */
1993 BOOL WINAPI UnlockFile( HFILE hFile, DWORD dwFileOffsetLow, DWORD dwFileOffsetHigh,
1994                           DWORD nNumberOfBytesToUnlockLow, DWORD nNumberOfBytesToUnlockHigh )
1995 {
1996     struct unlock_file_request req;
1997
1998     if ((req.handle = HANDLE_GetServerHandle( PROCESS_Current(), hFile,
1999                                               K32OBJ_FILE, 0 )) == -1)
2000         return FALSE;
2001     req.offset_low  = dwFileOffsetLow;
2002     req.offset_high = dwFileOffsetHigh;
2003     req.count_low   = nNumberOfBytesToUnlockLow;
2004     req.count_high  = nNumberOfBytesToUnlockHigh;
2005     CLIENT_SendRequest( REQ_UNLOCK_FILE, -1, 1, &req, sizeof(req) );
2006     return !CLIENT_WaitReply( NULL, NULL, 0 );
2007 }
2008
2009
2010 #if 0
2011
2012 struct DOS_FILE_LOCK {
2013   struct DOS_FILE_LOCK *        next;
2014   DWORD                         base;
2015   DWORD                         len;
2016   DWORD                         processId;
2017   FILE_OBJECT *                 dos_file;
2018 /*  char *                      unix_name;*/
2019 };
2020
2021 typedef struct DOS_FILE_LOCK DOS_FILE_LOCK;
2022
2023 static DOS_FILE_LOCK *locks = NULL;
2024 static void DOS_RemoveFileLocks(FILE_OBJECT *file);
2025
2026
2027 /* Locks need to be mirrored because unix file locking is based
2028  * on the pid. Inside of wine there can be multiple WINE processes
2029  * that share the same unix pid.
2030  * Read's and writes should check these locks also - not sure
2031  * how critical that is at this point (FIXME).
2032  */
2033
2034 static BOOL DOS_AddLock(FILE_OBJECT *file, struct flock *f)
2035 {
2036   DOS_FILE_LOCK *curr;
2037   DWORD         processId;
2038
2039   processId = GetCurrentProcessId();
2040
2041   /* check if lock overlaps a current lock for the same file */
2042 #if 0
2043   for (curr = locks; curr; curr = curr->next) {
2044     if (strcmp(curr->unix_name, file->unix_name) == 0) {
2045       if ((f->l_start == curr->base) && (f->l_len == curr->len))
2046         return TRUE;/* region is identic */
2047       if ((f->l_start < (curr->base + curr->len)) &&
2048           ((f->l_start + f->l_len) > curr->base)) {
2049         /* region overlaps */
2050         return FALSE;
2051       }
2052     }
2053   }
2054 #endif
2055
2056   curr = HeapAlloc( SystemHeap, 0, sizeof(DOS_FILE_LOCK) );
2057   curr->processId = GetCurrentProcessId();
2058   curr->base = f->l_start;
2059   curr->len = f->l_len;
2060 /*  curr->unix_name = HEAP_strdupA( SystemHeap, 0, file->unix_name);*/
2061   curr->next = locks;
2062   curr->dos_file = file;
2063   locks = curr;
2064   return TRUE;
2065 }
2066
2067 static void DOS_RemoveFileLocks(FILE_OBJECT *file)
2068 {
2069   DWORD         processId;
2070   DOS_FILE_LOCK **curr;
2071   DOS_FILE_LOCK *rem;
2072
2073   processId = GetCurrentProcessId();
2074   curr = &locks;
2075   while (*curr) {
2076     if ((*curr)->dos_file == file) {
2077       rem = *curr;
2078       *curr = (*curr)->next;
2079 /*      HeapFree( SystemHeap, 0, rem->unix_name );*/
2080       HeapFree( SystemHeap, 0, rem );
2081     }
2082     else
2083       curr = &(*curr)->next;
2084   }
2085 }
2086
2087 static BOOL DOS_RemoveLock(FILE_OBJECT *file, struct flock *f)
2088 {
2089   DWORD         processId;
2090   DOS_FILE_LOCK **curr;
2091   DOS_FILE_LOCK *rem;
2092
2093   processId = GetCurrentProcessId();
2094   for (curr = &locks; *curr; curr = &(*curr)->next) {
2095     if ((*curr)->processId == processId &&
2096         (*curr)->dos_file == file &&
2097         (*curr)->base == f->l_start &&
2098         (*curr)->len == f->l_len) {
2099       /* this is the same lock */
2100       rem = *curr;
2101       *curr = (*curr)->next;
2102 /*      HeapFree( SystemHeap, 0, rem->unix_name );*/
2103       HeapFree( SystemHeap, 0, rem );
2104       return TRUE;
2105     }
2106   }
2107   /* no matching lock found */
2108   return FALSE;
2109 }
2110
2111
2112 /**************************************************************************
2113  *           LockFile   (KERNEL32.511)
2114  */
2115 BOOL WINAPI LockFile(
2116         HFILE hFile,DWORD dwFileOffsetLow,DWORD dwFileOffsetHigh,
2117         DWORD nNumberOfBytesToLockLow,DWORD nNumberOfBytesToLockHigh )
2118 {
2119   struct flock f;
2120   FILE_OBJECT *file;
2121
2122   TRACE(file, "handle %d offsetlow=%ld offsethigh=%ld nbyteslow=%ld nbyteshigh=%ld\n",
2123                hFile, dwFileOffsetLow, dwFileOffsetHigh,
2124                nNumberOfBytesToLockLow, nNumberOfBytesToLockHigh);
2125
2126   if (dwFileOffsetHigh || nNumberOfBytesToLockHigh) {
2127     FIXME(file, "Unimplemented bytes > 32bits\n");
2128     return FALSE;
2129   }
2130
2131   f.l_start = dwFileOffsetLow;
2132   f.l_len = nNumberOfBytesToLockLow;
2133   f.l_whence = SEEK_SET;
2134   f.l_pid = 0;
2135   f.l_type = F_WRLCK;
2136
2137   if (!(file = FILE_GetFile(hFile,0,NULL))) return FALSE;
2138
2139   /* shadow locks internally */
2140   if (!DOS_AddLock(file, &f)) {
2141     SetLastError( ERROR_LOCK_VIOLATION );
2142     return FALSE;
2143   }
2144
2145   /* FIXME: Unix locking commented out for now, doesn't work with Excel */
2146 #ifdef USE_UNIX_LOCKS
2147   if (fcntl(file->unix_handle, F_SETLK, &f) == -1) {
2148     if (errno == EACCES || errno == EAGAIN) {
2149       SetLastError( ERROR_LOCK_VIOLATION );
2150     }
2151     else {
2152       FILE_SetDosError();
2153     }
2154     /* remove our internal copy of the lock */
2155     DOS_RemoveLock(file, &f);
2156     return FALSE;
2157   }
2158 #endif
2159   return TRUE;
2160 }
2161
2162
2163 /**************************************************************************
2164  *           UnlockFile   (KERNEL32.703)
2165  */
2166 BOOL WINAPI UnlockFile(
2167         HFILE hFile,DWORD dwFileOffsetLow,DWORD dwFileOffsetHigh,
2168         DWORD nNumberOfBytesToUnlockLow,DWORD nNumberOfBytesToUnlockHigh )
2169 {
2170   FILE_OBJECT *file;
2171   struct flock f;
2172
2173   TRACE(file, "handle %d offsetlow=%ld offsethigh=%ld nbyteslow=%ld nbyteshigh=%ld\n",
2174                hFile, dwFileOffsetLow, dwFileOffsetHigh,
2175                nNumberOfBytesToUnlockLow, nNumberOfBytesToUnlockHigh);
2176
2177   if (dwFileOffsetHigh || nNumberOfBytesToUnlockHigh) {
2178     WARN(file, "Unimplemented bytes > 32bits\n");
2179     return FALSE;
2180   }
2181
2182   f.l_start = dwFileOffsetLow;
2183   f.l_len = nNumberOfBytesToUnlockLow;
2184   f.l_whence = SEEK_SET;
2185   f.l_pid = 0;
2186   f.l_type = F_UNLCK;
2187
2188   if (!(file = FILE_GetFile(hFile,0,NULL))) return FALSE;
2189
2190   DOS_RemoveLock(file, &f);     /* ok if fails - may be another wine */
2191
2192   /* FIXME: Unix locking commented out for now, doesn't work with Excel */
2193 #ifdef USE_UNIX_LOCKS
2194   if (fcntl(file->unix_handle, F_SETLK, &f) == -1) {
2195     FILE_SetDosError();
2196     return FALSE;
2197   }
2198 #endif
2199   return TRUE;
2200 }
2201 #endif
2202
2203 /**************************************************************************
2204  * GetFileAttributesEx32A [KERNEL32.874]
2205  */
2206 BOOL WINAPI GetFileAttributesExA(
2207         LPCSTR lpFileName, GET_FILEEX_INFO_LEVELS fInfoLevelId,
2208         LPVOID lpFileInformation)
2209 {
2210     DOS_FULL_NAME full_name;
2211     BY_HANDLE_FILE_INFORMATION info;
2212
2213     if (lpFileName == NULL) return FALSE;
2214     if (lpFileInformation == NULL) return FALSE;
2215
2216     if (fInfoLevelId == GetFileExInfoStandard) {
2217         LPWIN32_FILE_ATTRIBUTE_DATA lpFad =
2218             (LPWIN32_FILE_ATTRIBUTE_DATA) lpFileInformation;
2219         if (!DOSFS_GetFullName( lpFileName, TRUE, &full_name )) return FALSE;
2220         if (!FILE_Stat( full_name.long_name, &info )) return FALSE;
2221
2222         lpFad->dwFileAttributes = info.dwFileAttributes;
2223         lpFad->ftCreationTime   = info.ftCreationTime;
2224         lpFad->ftLastAccessTime = info.ftLastAccessTime;
2225         lpFad->ftLastWriteTime  = info.ftLastWriteTime;
2226         lpFad->nFileSizeHigh    = info.nFileSizeHigh;
2227         lpFad->nFileSizeLow     = info.nFileSizeLow;
2228     }
2229     else {
2230         FIXME (file, "invalid info level %d!\n", fInfoLevelId);
2231         return FALSE;
2232     }
2233
2234     return TRUE;
2235 }
2236
2237
2238 /**************************************************************************
2239  * GetFileAttributesEx32W [KERNEL32.875]
2240  */
2241 BOOL WINAPI GetFileAttributesExW(
2242         LPCWSTR lpFileName, GET_FILEEX_INFO_LEVELS fInfoLevelId,
2243         LPVOID lpFileInformation)
2244 {
2245     LPSTR nameA = HEAP_strdupWtoA( GetProcessHeap(), 0, lpFileName );
2246     BOOL res =
2247         GetFileAttributesExA( nameA, fInfoLevelId, lpFileInformation);
2248     HeapFree( GetProcessHeap(), 0, nameA );
2249     return res;
2250 }