files/directory.c

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