files/directory.c

   1 /*
   2  * DOS directories functions
   3  *
   4  * Copyright 1995 Alexandre Julliard
   5  */
   6
   7 #include "config.h"
   8
   9 #include <ctype.h>
  10 #include <stdlib.h>
  11 #include <string.h>
  12 #include <sys/types.h>
  13 #include <sys/stat.h>
  14 #include <unistd.h>
  15 #include <errno.h>
  16 #ifdef HAVE_SYS_ERRNO_H
  17 #include <sys/errno.h>
  18 #endif
  19
  20 #include "winbase.h"
  21 #include "wine/winbase16.h"
  22 #include "wine/winestring.h"
  23 #include "wine/winuser16.h"
  24 #include "winerror.h"
  25 #include "process.h"
  26 #include "drive.h"
  27 #include "file.h"
  28 #include "heap.h"
  29 #include "msdos.h"
  30 #include "options.h"
  31 #include "debugtools.h"
  32
  33 DEFAULT_DEBUG_CHANNEL(dosfs)
  34 DECLARE_DEBUG_CHANNEL(file)
  35
  36 static DOS_FULL_NAME DIR_Windows;
  37 static DOS_FULL_NAME DIR_System;
  38
  39
  40 /***********************************************************************
  41  *           DIR_GetPath
  42  *
  43  * Get a path name from the wine.ini file and make sure it is valid.
  44  */
  45 static int DIR_GetPath( const char *keyname, const char *defval,
  46                         DOS_FULL_NAME *full_name )
  47 {
  48     char path[MAX_PATHNAME_LEN];
  49     BY_HANDLE_FILE_INFORMATION info;
  50
  51     PROFILE_GetWineIniString( "wine", keyname, defval, path, sizeof(path) );
  52     if (!DOSFS_GetFullName( path, TRUE, full_name ) ||
  53         !FILE_Stat( full_name->long_name, &info ) ||
  54         !(info.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY))
  55     {
  56         MESSAGE("Invalid path '%s' for %s directory\n", path, keyname);
  57         return 0;
  58     }
  59     return 1;
  60 }
  61
  62
  63 /***********************************************************************
  64  *           DIR_Init
  65  */
  66 int DIR_Init(void)
  67 {
  68     char path[MAX_PATHNAME_LEN];
  69     DOS_FULL_NAME tmp_dir;
  70     int drive;
  71     const char *cwd;
  72
  73     if (!getcwd( path, MAX_PATHNAME_LEN ))
  74     {
  75         perror( "Could not get current directory" );
  76         return 0;
  77     }
  78     cwd = path;
  79     if ((drive = DRIVE_FindDriveRoot( &cwd )) == -1)
  80     {
  81         MESSAGE("Warning: could not find wine.conf [Drive x] entry "
  82             "for current working directory %s; "
  83             "starting in windows directory.\n", cwd );
  84     }
  85     else
  86     {
  87         DRIVE_SetCurrentDrive( drive );
  88         DRIVE_Chdir( drive, cwd );
  89     }
  90
  91     if (!(DIR_GetPath( "windows", "c:\\windows", &DIR_Windows )) ||
  92         !(DIR_GetPath( "system", "c:\\windows\\system", &DIR_System )) ||
  93         !(DIR_GetPath( "temp", "c:\\windows", &tmp_dir )))
  94     {
  95         PROFILE_UsageWineIni();
  96         return 0;
  97     }
  98     if (-1 == access( tmp_dir.long_name, W_OK ))
  99     {
 100         if (errno==EACCES)
 101         {
 102                 MESSAGE("Warning: The Temporary Directory (as specified in your configuration file) is NOT writeable.\n");
 103                 PROFILE_UsageWineIni();
 104         }
 105         else
 106                 MESSAGE("Warning: Access to Temporary Directory failed (%s).\n",
 107                     strerror(errno));
 108     }
 109
 110     if (drive == -1)
 111     {
 112         drive = DIR_Windows.drive;
 113         DRIVE_SetCurrentDrive( drive );
 114         DRIVE_Chdir( drive, DIR_Windows.short_name + 2 );
 115     }
 116
 117     PROFILE_GetWineIniString("wine", "path", "c:\\windows;c:\\windows\\system",
 118                              path, sizeof(path) );
 119     if (strchr(path, '/'))
 120     {
 121         MESSAGE("No '/' allowed in [wine] 'Path=' statement of wine.conf !\n");
 122         PROFILE_UsageWineIni();
 123         ExitProcess(1);
 124     }
 125
 126     /* Set the environment variables */
 127
 128     SetEnvironmentVariableA( "PATH", path );
 129     SetEnvironmentVariableA( "COMSPEC", "c:\\command.com" );
 130     SetEnvironmentVariableA( "TEMP", tmp_dir.short_name );
 131     SetEnvironmentVariableA( "windir", DIR_Windows.short_name );
 132     SetEnvironmentVariableA( "winsysdir", DIR_System.short_name );
 133
 134     TRACE("WindowsDir = %s (%s)\n",
 135           DIR_Windows.short_name, DIR_Windows.long_name );
 136     TRACE("SystemDir  = %s (%s)\n",
 137           DIR_System.short_name, DIR_System.long_name );
 138     TRACE("TempDir    = %s (%s)\n",
 139           tmp_dir.short_name, tmp_dir.long_name );
 140     TRACE("Path       = %s\n", path );
 141     TRACE("Cwd        = %c:\\%s\n",
 142           'A' + drive, DRIVE_GetDosCwd( drive ) );
 143
 144     return 1;
 145 }
 146
 147
 148 /***********************************************************************
 149  *           GetTempPath32A   (KERNEL32.292)
 150  */
 151 UINT WINAPI GetTempPathA( UINT count, LPSTR path )
 152 {
 153     UINT ret;
 154     if (!(ret = GetEnvironmentVariableA( "TMP", path, count )))
 155         if (!(ret = GetEnvironmentVariableA( "TEMP", path, count )))
 156             if (!(ret = GetCurrentDirectoryA( count, path )))
 157                 return 0;
 158     if (count && (ret < count - 1) && (path[ret-1] != '\\'))
 159     {
 160         path[ret++] = '\\';
 161         path[ret]   = '\0';
 162     }
 163     return ret;
 164 }
 165
 166
 167 /***********************************************************************
 168  *           GetTempPath32W   (KERNEL32.293)
 169  */
 170 UINT WINAPI GetTempPathW( UINT count, LPWSTR path )
 171 {
 172     static const WCHAR tmp[]  = { 'T', 'M', 'P', 0 };
 173     static const WCHAR temp[] = { 'T', 'E', 'M', 'P', 0 };
 174     UINT ret;
 175     if (!(ret = GetEnvironmentVariableW( tmp, path, count )))
 176         if (!(ret = GetEnvironmentVariableW( temp, path, count )))
 177             if (!(ret = GetCurrentDirectoryW( count, path )))
 178                 return 0;
 179     if (count && (ret < count - 1) && (path[ret-1] != '\\'))
 180     {
 181         path[ret++] = '\\';
 182         path[ret]   = '\0';
 183     }
 184     return ret;
 185 }
 186
 187
 188 /***********************************************************************
 189  *           DIR_GetWindowsUnixDir
 190  */
 191 UINT DIR_GetWindowsUnixDir( LPSTR path, UINT count )
 192 {
 193     if (path) lstrcpynA( path, DIR_Windows.long_name, count );
 194     return strlen( DIR_Windows.long_name );
 195 }
 196
 197
 198 /***********************************************************************
 199  *           DIR_GetSystemUnixDir
 200  */
 201 UINT DIR_GetSystemUnixDir( LPSTR path, UINT count )
 202 {
 203     if (path) lstrcpynA( path, DIR_System.long_name, count );
 204     return strlen( DIR_System.long_name );
 205 }
 206
 207
 208 /***********************************************************************
 209  *           GetTempDrive   (KERNEL.92)
 210  */
 211 BYTE WINAPI GetTempDrive( BYTE ignored )
 212 {
 213     char *buffer;
 214     BYTE ret;
 215     UINT len = GetTempPathA( 0, NULL );
 216
 217     if (!(buffer = HeapAlloc( GetProcessHeap(), 0, len + 1 )) )
 218       return DRIVE_GetCurrentDrive() + 'A';
 219
 220     /* FIXME: apparently Windows does something with the ignored byte */
 221     if (!GetTempPathA( len, buffer )) buffer[0] = 'C';
 222     ret = buffer[0];
 223     HeapFree( GetProcessHeap(), 0, buffer );
 224     return toupper(ret);
 225 }
 226
 227
 228 UINT WINAPI WIN16_GetTempDrive( BYTE ignored )
 229 {
 230     /* A closer look at krnl386.exe shows what the SDK doesn't mention:
 231      *
 232      * returns:
 233      *   AL: driveletter
 234      *   AH: ':'                - yes, some kernel code even does stosw with
 235      *                            the returned AX.
 236      *   DX: 1 for success
 237      */
 238     return MAKELONG( GetTempDrive(ignored) | (':' << 8), 1 );
 239 }
 240
 241
 242 /***********************************************************************
 243  *           GetWindowsDirectory16   (KERNEL.134)
 244  */
 245 UINT16 WINAPI GetWindowsDirectory16( LPSTR path, UINT16 count )
 246 {
 247     return (UINT16)GetWindowsDirectoryA( path, count );
 248 }
 249
 250
 251 /***********************************************************************
 252  *           GetWindowsDirectory32A   (KERNEL32.311)
 253  */
 254 UINT WINAPI GetWindowsDirectoryA( LPSTR path, UINT count )
 255 {
 256     if (path) lstrcpynA( path, DIR_Windows.short_name, count );
 257     return strlen( DIR_Windows.short_name );
 258 }
 259
 260
 261 /***********************************************************************
 262  *           GetWindowsDirectory32W   (KERNEL32.312)
 263  */
 264 UINT WINAPI GetWindowsDirectoryW( LPWSTR path, UINT count )
 265 {
 266     if (path) lstrcpynAtoW( path, DIR_Windows.short_name, count );
 267     return strlen( DIR_Windows.short_name );
 268 }
 269
 270
 271 /***********************************************************************
 272  *           GetSystemDirectory16   (KERNEL.135)
 273  */
 274 UINT16 WINAPI GetSystemDirectory16( LPSTR path, UINT16 count )
 275 {
 276     return (UINT16)GetSystemDirectoryA( path, count );
 277 }
 278
 279
 280 /***********************************************************************
 281  *           GetSystemDirectory32A   (KERNEL32.282)
 282  */
 283 UINT WINAPI GetSystemDirectoryA( LPSTR path, UINT count )
 284 {
 285     if (path) lstrcpynA( path, DIR_System.short_name, count );
 286     return strlen( DIR_System.short_name );
 287 }
 288
 289
 290 /***********************************************************************
 291  *           GetSystemDirectory32W   (KERNEL32.283)
 292  */
 293 UINT WINAPI GetSystemDirectoryW( LPWSTR path, UINT count )
 294 {
 295     if (path) lstrcpynAtoW( path, DIR_System.short_name, count );
 296     return strlen( DIR_System.short_name );
 297 }
 298
 299
 300 /***********************************************************************
 301  *           CreateDirectory16   (KERNEL.144)
 302  */
 303 BOOL16 WINAPI CreateDirectory16( LPCSTR path, LPVOID dummy )
 304 {
 305     TRACE_(file)("(%s,%p)\n", path, dummy );
 306     return (BOOL16)CreateDirectoryA( path, NULL );
 307 }
 308
 309
 310 /***********************************************************************
 311  *           CreateDirectory32A   (KERNEL32.39)
 312  * RETURNS:
 313  *      TRUE : success
 314  *      FALSE : failure
 315  *              ERROR_DISK_FULL:        on full disk
 316  *              ERROR_ALREADY_EXISTS:   if directory name exists (even as file)
 317  *              ERROR_ACCESS_DENIED:    on permission problems
 318  *              ERROR_FILENAME_EXCED_RANGE: too long filename(s)
 319  */
 320 BOOL WINAPI CreateDirectoryA( LPCSTR path,
 321                                   LPSECURITY_ATTRIBUTES lpsecattribs )
 322 {
 323     DOS_FULL_NAME full_name;
 324
 325     TRACE_(file)("(%s,%p)\n", path, lpsecattribs );
 326     if (DOSFS_GetDevice( path ))
 327     {
 328         TRACE_(file)("cannot use device '%s'!\n",path);
 329         SetLastError( ERROR_ACCESS_DENIED );
 330         return FALSE;
 331     }
 332     if (!DOSFS_GetFullName( path, FALSE, &full_name )) return 0;
 333     if (mkdir( full_name.long_name, 0777 ) == -1) {
 334         WARN_(file)("Errno %i trying to create directory %s.\n", errno, full_name.long_name);
 335         /* the FILE_SetDosError() generated error codes don't match the
 336          * CreateDirectory ones for some errnos */
 337         switch (errno) {
 338         case EEXIST: SetLastError(ERROR_ALREADY_EXISTS); break;
 339         case ENOSPC: SetLastError(ERROR_DISK_FULL); break;
 340         default: FILE_SetDosError();break;
 341         }
 342         return FALSE;
 343     }
 344     return TRUE;
 345 }
 346
 347
 348 /***********************************************************************
 349  *           CreateDirectory32W   (KERNEL32.42)
 350  */
 351 BOOL WINAPI CreateDirectoryW( LPCWSTR path,
 352                                   LPSECURITY_ATTRIBUTES lpsecattribs )
 353 {
 354     LPSTR xpath = HEAP_strdupWtoA( GetProcessHeap(), 0, path );
 355     BOOL ret = CreateDirectoryA( xpath, lpsecattribs );
 356     HeapFree( GetProcessHeap(), 0, xpath );
 357     return ret;
 358 }
 359
 360
 361 /***********************************************************************
 362  *           CreateDirectoryEx32A   (KERNEL32.40)
 363  */
 364 BOOL WINAPI CreateDirectoryExA( LPCSTR template, LPCSTR path,
 365                                     LPSECURITY_ATTRIBUTES lpsecattribs)
 366 {
 367     return CreateDirectoryA(path,lpsecattribs);
 368 }
 369
 370
 371 /***********************************************************************
 372  *           CreateDirectoryEx32W   (KERNEL32.41)
 373  */
 374 BOOL WINAPI CreateDirectoryExW( LPCWSTR template, LPCWSTR path,
 375                                     LPSECURITY_ATTRIBUTES lpsecattribs)
 376 {
 377     return CreateDirectoryW(path,lpsecattribs);
 378 }
 379
 380
 381 /***********************************************************************
 382  *           RemoveDirectory16   (KERNEL)
 383  */
 384 BOOL16 WINAPI RemoveDirectory16( LPCSTR path )
 385 {
 386     return (BOOL16)RemoveDirectoryA( path );
 387 }
 388
 389
 390 /***********************************************************************
 391  *           RemoveDirectory32A   (KERNEL32.437)
 392  */
 393 BOOL WINAPI RemoveDirectoryA( LPCSTR path )
 394 {
 395     DOS_FULL_NAME full_name;
 396
 397     TRACE_(file)("'%s'\n", path );
 398
 399     if (DOSFS_GetDevice( path ))
 400     {
 401         TRACE_(file)("cannot remove device '%s'!\n", path);
 402         SetLastError( ERROR_FILE_NOT_FOUND );
 403         return FALSE;
 404     }
 405     if (!DOSFS_GetFullName( path, TRUE, &full_name )) return FALSE;
 406     if (rmdir( full_name.long_name ) == -1)
 407     {
 408         FILE_SetDosError();
 409         return FALSE;
 410     }
 411     return TRUE;
 412 }
 413
 414
 415 /***********************************************************************
 416  *           RemoveDirectory32W   (KERNEL32.438)
 417  */
 418 BOOL WINAPI RemoveDirectoryW( LPCWSTR path )
 419 {
 420     LPSTR xpath = HEAP_strdupWtoA( GetProcessHeap(), 0, path );
 421     BOOL ret = RemoveDirectoryA( xpath );
 422     HeapFree( GetProcessHeap(), 0, xpath );
 423     return ret;
 424 }
 425
 426
 427 /***********************************************************************
 428  *           DIR_TryPath
 429  *
 430  * Helper function for DIR_SearchPath.
 431  */
 432 static BOOL DIR_TryPath( const DOS_FULL_NAME *dir, LPCSTR name,
 433                            DOS_FULL_NAME *full_name )
 434 {
 435     LPSTR p_l = full_name->long_name + strlen(dir->long_name) + 1;
 436     LPSTR p_s = full_name->short_name + strlen(dir->short_name) + 1;
 437
 438     if ((p_s >= full_name->short_name + sizeof(full_name->short_name) - 14) ||
 439         (p_l >= full_name->long_name + sizeof(full_name->long_name) - 1))
 440     {
 441         SetLastError( ERROR_PATH_NOT_FOUND );
 442         return FALSE;
 443     }
 444     if (!DOSFS_FindUnixName( dir->long_name, name, p_l,
 445                    sizeof(full_name->long_name) - (p_l - full_name->long_name),
 446                    p_s, !(DRIVE_GetFlags(dir->drive) & DRIVE_CASE_SENSITIVE) ))
 447         return FALSE;
 448     strcpy( full_name->long_name, dir->long_name );
 449     p_l[-1] = '/';
 450     strcpy( full_name->short_name, dir->short_name );
 451     p_s[-1] = '\\';
 452     return TRUE;
 453 }
 454
 455
 456 /***********************************************************************
 457  *           DIR_TryEnvironmentPath
 458  *
 459  * Helper function for DIR_SearchPath.
 460  */
 461 static BOOL DIR_TryEnvironmentPath( LPCSTR name, DOS_FULL_NAME *full_name )
 462 {
 463     LPSTR path, next, buffer;
 464     BOOL ret = FALSE;
 465     INT len = strlen(name);
 466     DWORD size = GetEnvironmentVariableA( "PATH", NULL, 0 );
 467
 468     if (!size) return FALSE;
 469     if (!(path = HeapAlloc( GetProcessHeap(), 0, size ))) return FALSE;
 470     if (!GetEnvironmentVariableA( "PATH", path, size )) goto done;
 471     next = path;
 472     while (!ret && next)
 473     {
 474         LPSTR cur = next;
 475         while (*cur == ';') cur++;
 476         if (!*cur) break;
 477         next = strchr( cur, ';' );
 478         if (next) *next++ = '\0';
 479         if (!(buffer = HeapAlloc( GetProcessHeap(), 0, strlen(cur) + len + 2)))
 480             goto done;
 481         strcpy( buffer, cur );
 482         strcat( buffer, "\\" );
 483         strcat( buffer, name );
 484         ret = DOSFS_GetFullName( buffer, TRUE, full_name );
 485         HeapFree( GetProcessHeap(), 0, buffer );
 486     }
 487
 488 done:
 489     HeapFree( GetProcessHeap(), 0, path );
 490     return ret;
 491 }
 492
 493
 494 /***********************************************************************
 495  *           DIR_TryModulePath
 496  *
 497  * Helper function for DIR_SearchPath.
 498  */
 499 static BOOL DIR_TryModulePath( LPCSTR name, DOS_FULL_NAME *full_name )
 500 {
 501     PDB *pdb = PROCESS_Current();
 502
 503     /* FIXME: for now, GetModuleFileName32A can't return more */
 504     /* than OFS_MAXPATHNAME. This may change with Win32. */
 505
 506     char buffer[OFS_MAXPATHNAME];
 507     LPSTR p;
 508
 509     if (pdb->flags & PDB32_WIN16_PROC) {
 510         if (!GetCurrentTask()) return FALSE;
 511         if (!GetModuleFileName16( GetCurrentTask(), buffer, sizeof(buffer) ))
 512                 buffer[0]='\0';
 513     } else {
 514         if (!GetModuleFileNameA( 0, buffer, sizeof(buffer) ))
 515                 buffer[0]='\0';
 516     }
 517     if (!(p = strrchr( buffer, '\\' ))) return FALSE;
 518     if (sizeof(buffer) - (++p - buffer) <= strlen(name)) return FALSE;
 519     strcpy( p, name );
 520     return DOSFS_GetFullName( buffer, TRUE, full_name );
 521 }
 522
 523
 524 /***********************************************************************
 525  *           DIR_SearchPath
 526  *
 527  * Implementation of SearchPath32A. 'win32' specifies whether the search
 528  * order is Win16 (module path last) or Win32 (module path first).
 529  *
 530  * FIXME: should return long path names.
 531  */
 532 DWORD DIR_SearchPath( LPCSTR path, LPCSTR name, LPCSTR ext,
 533                       DOS_FULL_NAME *full_name, BOOL win32 )
 534 {
 535     DWORD len;
 536     LPCSTR p;
 537     LPSTR tmp = NULL;
 538     BOOL ret = TRUE;
 539
 540     /* First check the supplied parameters */
 541
 542     p = strrchr( name, '.' );
 543     if (p && !strchr( p, '/' ) && !strchr( p, '\\' ))
 544         ext = NULL;  /* Ignore the specified extension */
 545     if ((*name && (name[1] == ':')) ||
 546         strchr( name, '/' ) || strchr( name, '\\' ))
 547         path = NULL;  /* Ignore path if name already contains a path */
 548     if (path && !*path) path = NULL;  /* Ignore empty path */
 549
 550     len = strlen(name);
 551     if (ext) len += strlen(ext);
 552     if (path) len += strlen(path) + 1;
 553
 554     /* Allocate a buffer for the file name and extension */
 555
 556     if (path || ext)
 557     {
 558         if (!(tmp = HeapAlloc( GetProcessHeap(), 0, len + 1 )))
 559         {
 560             SetLastError( ERROR_OUTOFMEMORY );
 561             return 0;
 562         }
 563         if (path)
 564         {
 565             strcpy( tmp, path );
 566             strcat( tmp, "\\" );
 567             strcat( tmp, name );
 568         }
 569         else strcpy( tmp, name );
 570         if (ext) strcat( tmp, ext );
 571         name = tmp;
 572     }
 573
 574     /* If we have an explicit path, everything's easy */
 575
 576     if (path || (*name && (name[1] == ':')) ||
 577         strchr( name, '/' ) || strchr( name, '\\' ))
 578     {
 579         ret = DOSFS_GetFullName( name, TRUE, full_name );
 580         goto done;
 581     }
 582
 583     /* Try the path of the current executable (for Win32 search order) */
 584
 585     if (win32 && DIR_TryModulePath( name, full_name )) goto done;
 586
 587     /* Try the current directory */
 588
 589     if (DOSFS_GetFullName( name, TRUE, full_name )) goto done;
 590
 591     /* Try the Windows system directory */
 592
 593     if (DIR_TryPath( &DIR_System, name, full_name ))
 594         goto done;
 595
 596     /* Try the Windows directory */
 597
 598     if (DIR_TryPath( &DIR_Windows, name, full_name ))
 599         goto done;
 600
 601     /* Try the path of the current executable (for Win16 search order) */
 602
 603     if (!win32 && DIR_TryModulePath( name, full_name )) goto done;
 604
 605     /* Try all directories in path */
 606
 607     ret = DIR_TryEnvironmentPath( name, full_name );
 608
 609 done:
 610     if (tmp) HeapFree( GetProcessHeap(), 0, tmp );
 611     return ret;
 612 }
 613
 614
 615 /***********************************************************************
 616  * SearchPath32A [KERNEL32.447]
 617  *
 618  * Searches for a specified file in the search path.
 619  *
 620  * PARAMS
 621  *    path      [I] Path to search
 622  *    name      [I] Filename to search for.
 623  *    ext       [I] File extension to append to file name. The first
 624  *                  character must be a period. This parameter is
 625  *                  specified only if the filename given does not
 626  *                  contain an extension.
 627  *    buflen    [I] size of buffer, in characters
 628  *    buffer    [O] buffer for found filename
 629  *    lastpart  [O] address of pointer to last used character in
 630  *                  buffer (the final '\')
 631  *
 632  * RETURNS
 633  *    Success: length of string copied into buffer, not including
 634  *             terminating null character. If the filename found is
 635  *             longer than the length of the buffer, the length of the
 636  *             filename is returned.
 637  *    Failure: Zero
 638  *
 639  * NOTES
 640  *    Should call SetLastError(but currently doesn't).
 641  */
 642 DWORD WINAPI SearchPathA( LPCSTR path, LPCSTR name, LPCSTR ext, DWORD buflen,
 643                             LPSTR buffer, LPSTR *lastpart )
 644 {
 645     LPSTR p, res;
 646     DOS_FULL_NAME full_name;
 647
 648     if (!DIR_SearchPath( path, name, ext, &full_name, TRUE )) return 0;
 649     lstrcpynA( buffer, full_name.short_name, buflen );
 650     res = full_name.long_name +
 651               strlen(DRIVE_GetRoot( full_name.short_name[0] - 'A' ));
 652     while (*res == '/') res++;
 653     if (buflen)
 654     {
 655         if (buflen > 3) lstrcpynA( buffer + 3, res, buflen - 3 );
 656         for (p = buffer; *p; p++) if (*p == '/') *p = '\\';
 657         if (lastpart) *lastpart = strrchr( buffer, '\\' ) + 1;
 658     }
 659     TRACE("Returning %d\n", strlen(res) + 3 );
 660     return strlen(res) + 3;
 661 }
 662
 663
 664 /***********************************************************************
 665  *           SearchPath32W   (KERNEL32.448)
 666  */
 667 DWORD WINAPI SearchPathW( LPCWSTR path, LPCWSTR name, LPCWSTR ext,
 668                             DWORD buflen, LPWSTR buffer, LPWSTR *lastpart )
 669 {
 670     LPWSTR p;
 671     LPSTR res;
 672     DOS_FULL_NAME full_name;
 673
 674     LPSTR pathA = HEAP_strdupWtoA( GetProcessHeap(), 0, path );
 675     LPSTR nameA = HEAP_strdupWtoA( GetProcessHeap(), 0, name );
 676     LPSTR extA  = HEAP_strdupWtoA( GetProcessHeap(), 0, ext );
 677     DWORD ret = DIR_SearchPath( pathA, nameA, extA, &full_name, TRUE );
 678     HeapFree( GetProcessHeap(), 0, extA );
 679     HeapFree( GetProcessHeap(), 0, nameA );
 680     HeapFree( GetProcessHeap(), 0, pathA );
 681     if (!ret) return 0;
 682
 683     lstrcpynAtoW( buffer, full_name.short_name, buflen );
 684     res = full_name.long_name +
 685               strlen(DRIVE_GetRoot( full_name.short_name[0] - 'A' ));
 686     while (*res == '/') res++;
 687     if (buflen)
 688     {
 689         if (buflen > 3) lstrcpynAtoW( buffer + 3, res, buflen - 3 );
 690         for (p = buffer; *p; p++) if (*p == '/') *p = '\\';
 691         if (lastpart)
 692         {
 693             for (p = *lastpart = buffer; *p; p++)
 694                 if (*p == '\\') *lastpart = p + 1;
 695         }
 696     }
 697     return strlen(res) + 3;
 698 }
 699
 700