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 <stdio.h>
  12 #include <string.h>
  13 #include <sys/types.h>
  14 #include <sys/stat.h>
  15 #include <unistd.h>
  16 #include <errno.h>
  17 #ifdef HAVE_SYS_ERRNO_H
  18 #include <sys/errno.h>
  19 #endif
  20
  21 #include "winbase.h"
  22 #include "wine/winbase16.h"
  23 #include "wine/winestring.h"
  24 #include "windef.h"
  25 #include "wingdi.h"
  26 #include "wine/winuser16.h"
  27 #include "winerror.h"
  28 #include "drive.h"
  29 #include "file.h"
  30 #include "heap.h"
  31 #include "msdos.h"
  32 #include "options.h"
  33 #include "debugtools.h"
  34
  35 DEFAULT_DEBUG_CHANNEL(dosfs);
  36 DECLARE_DEBUG_CHANNEL(file);
  37
  38 static DOS_FULL_NAME DIR_Windows;
  39 static DOS_FULL_NAME DIR_System;
  40
  41
  42 /***********************************************************************
  43  *           DIR_GetPath
  44  *
  45  * Get a path name from the wine.ini file and make sure it is valid.
  46  */
  47 static int DIR_GetPath( const char *keyname, const char *defval,
  48                         DOS_FULL_NAME *full_name )
  49 {
  50     char path[MAX_PATHNAME_LEN];
  51     BY_HANDLE_FILE_INFORMATION info;
  52
  53     PROFILE_GetWineIniString( "wine", keyname, defval, path, sizeof(path) );
  54     if (!DOSFS_GetFullName( path, TRUE, full_name ) ||
  55         !FILE_Stat( full_name->long_name, &info ) ||
  56         !(info.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY))
  57     {
  58         MESSAGE("Invalid path '%s' for %s directory\n", path, keyname);
  59         return 0;
  60     }
  61     return 1;
  62 }
  63
  64
  65 /***********************************************************************
  66  *           DIR_Init
  67  */
  68 int DIR_Init(void)
  69 {
  70     char path[MAX_PATHNAME_LEN];
  71     DOS_FULL_NAME tmp_dir, profile_dir;
  72     int drive;
  73     const char *cwd;
  74
  75     if (!getcwd( path, MAX_PATHNAME_LEN ))
  76     {
  77         perror( "Could not get current directory" );
  78         return 0;
  79     }
  80     cwd = path;
  81     if ((drive = DRIVE_FindDriveRoot( &cwd )) == -1)
  82     {
  83         MESSAGE("Warning: could not find wine.conf [Drive x] entry "
  84             "for current working directory %s; "
  85             "starting in windows directory.\n", cwd );
  86     }
  87     else
  88     {
  89         DRIVE_SetCurrentDrive( drive );
  90         DRIVE_Chdir( drive, cwd );
  91     }
  92     chdir("/"); /* every other directory operations are done by WINE */
  93
  94     if (!(DIR_GetPath( "windows", "c:\\windows", &DIR_Windows )) ||
  95         !(DIR_GetPath( "system", "c:\\windows\\system", &DIR_System )) ||
  96         !(DIR_GetPath( "temp", "c:\\windows", &tmp_dir )))
  97     {
  98         PROFILE_UsageWineIni();
  99         return 0;
 100     }
 101     if (-1 == access( tmp_dir.long_name, W_OK ))
 102     {
 103         if (errno==EACCES)
 104         {
 105                 MESSAGE("Warning: The Temporary Directory (as specified in your configuration file) is NOT writeable.\n");
 106                 PROFILE_UsageWineIni();
 107         }
 108         else
 109                 MESSAGE("Warning: Access to Temporary Directory failed (%s).\n",
 110                     strerror(errno));
 111     }
 112
 113     if (drive == -1)
 114     {
 115         drive = DIR_Windows.drive;
 116         DRIVE_SetCurrentDrive( drive );
 117         DRIVE_Chdir( drive, DIR_Windows.short_name + 2 );
 118     }
 119
 120     PROFILE_GetWineIniString("wine", "path", "c:\\windows;c:\\windows\\system",
 121                              path, sizeof(path) );
 122     if (strchr(path, '/'))
 123     {
 124         MESSAGE("No '/' allowed in [wine] 'Path=' statement of wine.conf !\n");
 125         PROFILE_UsageWineIni();
 126         ExitProcess(1);
 127     }
 128
 129     /* Set the environment variables */
 130
 131     SetEnvironmentVariableA( "PATH", path );
 132     SetEnvironmentVariableA( "TEMP", tmp_dir.short_name );
 133     SetEnvironmentVariableA( "windir", DIR_Windows.short_name );
 134     SetEnvironmentVariableA( "winsysdir", DIR_System.short_name );
 135
 136     /* set COMSPEC only if it doesn't exist already */
 137     if (!GetEnvironmentVariableA( "COMSPEC", NULL, 0 ))
 138         SetEnvironmentVariableA( "COMSPEC", "c:\\command.com" );
 139
 140     TRACE("WindowsDir = %s (%s)\n",
 141           DIR_Windows.short_name, DIR_Windows.long_name );
 142     TRACE("SystemDir  = %s (%s)\n",
 143           DIR_System.short_name, DIR_System.long_name );
 144     TRACE("TempDir    = %s (%s)\n",
 145           tmp_dir.short_name, tmp_dir.long_name );
 146     TRACE("Path       = %s\n", path );
 147     TRACE("Cwd        = %c:\\%s\n",
 148           'A' + drive, DRIVE_GetDosCwd( drive ) );
 149
 150     if (DIR_GetPath( "profile", "", &profile_dir ))
 151     {
 152         TRACE("USERPROFILE= %s\n", profile_dir.short_name );
 153         SetEnvironmentVariableA( "USERPROFILE", profile_dir.short_name );
 154     }
 155
 156     TRACE("SYSTEMROOT = %s\n", DIR_Windows.short_name );
 157     SetEnvironmentVariableA( "SYSTEMROOT", DIR_Windows.short_name );
 158
 159     return 1;
 160 }
 161
 162
 163 /***********************************************************************
 164  *           GetTempPathA   (KERNEL32.292)
 165  */
 166 UINT WINAPI GetTempPathA( UINT count, LPSTR path )
 167 {
 168     UINT ret;
 169     if (!(ret = GetEnvironmentVariableA( "TMP", path, count )))
 170         if (!(ret = GetEnvironmentVariableA( "TEMP", path, count )))
 171             if (!(ret = GetCurrentDirectoryA( count, path )))
 172                 return 0;
 173     if (count && (ret < count - 1) && (path[ret-1] != '\\'))
 174     {
 175         path[ret++] = '\\';
 176         path[ret]   = '\0';
 177     }
 178     return ret;
 179 }
 180
 181
 182 /***********************************************************************
 183  *           GetTempPathW   (KERNEL32.293)
 184  */
 185 UINT WINAPI GetTempPathW( UINT count, LPWSTR path )
 186 {
 187     static const WCHAR tmp[]  = { 'T', 'M', 'P', 0 };
 188     static const WCHAR temp[] = { 'T', 'E', 'M', 'P', 0 };
 189     UINT ret;
 190     if (!(ret = GetEnvironmentVariableW( tmp, path, count )))
 191         if (!(ret = GetEnvironmentVariableW( temp, path, count )))
 192             if (!(ret = GetCurrentDirectoryW( count, path )))
 193                 return 0;
 194     if (count && (ret < count - 1) && (path[ret-1] != '\\'))
 195     {
 196         path[ret++] = '\\';
 197         path[ret]   = '\0';
 198     }
 199     return ret;
 200 }
 201
 202
 203 /***********************************************************************
 204  *           DIR_GetWindowsUnixDir
 205  */
 206 UINT DIR_GetWindowsUnixDir( LPSTR path, UINT count )
 207 {
 208     if (path) lstrcpynA( path, DIR_Windows.long_name, count );
 209     return strlen( DIR_Windows.long_name );
 210 }
 211
 212
 213 /***********************************************************************
 214  *           DIR_GetSystemUnixDir
 215  */
 216 UINT DIR_GetSystemUnixDir( LPSTR path, UINT count )
 217 {
 218     if (path) lstrcpynA( path, DIR_System.long_name, count );
 219     return strlen( DIR_System.long_name );
 220 }
 221
 222
 223 /***********************************************************************
 224  *           GetTempDrive   (KERNEL.92)
 225  */
 226 BYTE WINAPI GetTempDrive( BYTE ignored )
 227 {
 228     char *buffer;
 229     BYTE ret;
 230     UINT len = GetTempPathA( 0, NULL );
 231
 232     if (!(buffer = HeapAlloc( GetProcessHeap(), 0, len + 1 )) )
 233       return DRIVE_GetCurrentDrive() + 'A';
 234
 235     /* FIXME: apparently Windows does something with the ignored byte */
 236     if (!GetTempPathA( len, buffer )) buffer[0] = 'C';
 237     ret = buffer[0];
 238     HeapFree( GetProcessHeap(), 0, buffer );
 239     return toupper(ret);
 240 }
 241
 242
 243 UINT WINAPI WIN16_GetTempDrive( BYTE ignored )
 244 {
 245     /* A closer look at krnl386.exe shows what the SDK doesn't mention:
 246      *
 247      * returns:
 248      *   AL: driveletter
 249      *   AH: ':'                - yes, some kernel code even does stosw with
 250      *                            the returned AX.
 251      *   DX: 1 for success
 252      */
 253     return MAKELONG( GetTempDrive(ignored) | (':' << 8), 1 );
 254 }
 255
 256
 257 /***********************************************************************
 258  *           GetWindowsDirectory16   (KERNEL.134)
 259  */
 260 UINT16 WINAPI GetWindowsDirectory16( LPSTR path, UINT16 count )
 261 {
 262     return (UINT16)GetWindowsDirectoryA( path, count );
 263 }
 264
 265
 266 /***********************************************************************
 267  *           GetWindowsDirectoryA   (KERNEL32.311)
 268  */
 269 UINT WINAPI GetWindowsDirectoryA( LPSTR path, UINT count )
 270 {
 271     if (path) lstrcpynA( path, DIR_Windows.short_name, count );
 272     return strlen( DIR_Windows.short_name );
 273 }
 274
 275
 276 /***********************************************************************
 277  *           GetWindowsDirectoryW   (KERNEL32.312)
 278  */
 279 UINT WINAPI GetWindowsDirectoryW( LPWSTR path, UINT count )
 280 {
 281     if (path) lstrcpynAtoW( path, DIR_Windows.short_name, count );
 282     return strlen( DIR_Windows.short_name );
 283 }
 284
 285
 286 /***********************************************************************
 287  *           GetSystemDirectory16   (KERNEL.135)
 288  */
 289 UINT16 WINAPI GetSystemDirectory16( LPSTR path, UINT16 count )
 290 {
 291     return (UINT16)GetSystemDirectoryA( path, count );
 292 }
 293
 294
 295 /***********************************************************************
 296  *           GetSystemDirectoryA   (KERNEL32.282)
 297  */
 298 UINT WINAPI GetSystemDirectoryA( LPSTR path, UINT count )
 299 {
 300     if (path) lstrcpynA( path, DIR_System.short_name, count );
 301     return strlen( DIR_System.short_name );
 302 }
 303
 304
 305 /***********************************************************************
 306  *           GetSystemDirectoryW   (KERNEL32.283)
 307  */
 308 UINT WINAPI GetSystemDirectoryW( LPWSTR path, UINT count )
 309 {
 310     if (path) lstrcpynAtoW( path, DIR_System.short_name, count );
 311     return strlen( DIR_System.short_name );
 312 }
 313
 314
 315 /***********************************************************************
 316  *           CreateDirectory16   (KERNEL.144)
 317  */
 318 BOOL16 WINAPI CreateDirectory16( LPCSTR path, LPVOID dummy )
 319 {
 320     TRACE_(file)("(%s,%p)\n", path, dummy );
 321     return (BOOL16)CreateDirectoryA( path, NULL );
 322 }
 323
 324
 325 /***********************************************************************
 326  *           CreateDirectoryA   (KERNEL32.39)
 327  * RETURNS:
 328  *      TRUE : success
 329  *      FALSE : failure
 330  *              ERROR_DISK_FULL:        on full disk
 331  *              ERROR_ALREADY_EXISTS:   if directory name exists (even as file)
 332  *              ERROR_ACCESS_DENIED:    on permission problems
 333  *              ERROR_FILENAME_EXCED_RANGE: too long filename(s)
 334  */
 335 BOOL WINAPI CreateDirectoryA( LPCSTR path,
 336                                   LPSECURITY_ATTRIBUTES lpsecattribs )
 337 {
 338     DOS_FULL_NAME full_name;
 339
 340     TRACE_(file)("(%s,%p)\n", path, lpsecattribs );
 341     if (DOSFS_GetDevice( path ))
 342     {
 343         TRACE_(file)("cannot use device '%s'!\n",path);
 344         SetLastError( ERROR_ACCESS_DENIED );
 345         return FALSE;
 346     }
 347     if (!DOSFS_GetFullName( path, FALSE, &full_name )) return 0;
 348     if (mkdir( full_name.long_name, 0777 ) == -1) {
 349         WARN_(file)("Errno %i trying to create directory %s.\n", errno, full_name.long_name);
 350         /* the FILE_SetDosError() generated error codes don't match the
 351          * CreateDirectory ones for some errnos */
 352         switch (errno) {
 353         case EEXIST: SetLastError(ERROR_ALREADY_EXISTS); break;
 354         case ENOSPC: SetLastError(ERROR_DISK_FULL); break;
 355         default: FILE_SetDosError();break;
 356         }
 357         return FALSE;
 358     }
 359     return TRUE;
 360 }
 361
 362
 363 /***********************************************************************
 364  *           CreateDirectoryW   (KERNEL32.42)
 365  */
 366 BOOL WINAPI CreateDirectoryW( LPCWSTR path,
 367                                   LPSECURITY_ATTRIBUTES lpsecattribs )
 368 {
 369     LPSTR xpath = HEAP_strdupWtoA( GetProcessHeap(), 0, path );
 370     BOOL ret = CreateDirectoryA( xpath, lpsecattribs );
 371     HeapFree( GetProcessHeap(), 0, xpath );
 372     return ret;
 373 }
 374
 375
 376 /***********************************************************************
 377  *           CreateDirectoryExA   (KERNEL32.40)
 378  */
 379 BOOL WINAPI CreateDirectoryExA( LPCSTR template, LPCSTR path,
 380                                     LPSECURITY_ATTRIBUTES lpsecattribs)
 381 {
 382     return CreateDirectoryA(path,lpsecattribs);
 383 }
 384
 385
 386 /***********************************************************************
 387  *           CreateDirectoryExW   (KERNEL32.41)
 388  */
 389 BOOL WINAPI CreateDirectoryExW( LPCWSTR template, LPCWSTR path,
 390                                     LPSECURITY_ATTRIBUTES lpsecattribs)
 391 {
 392     return CreateDirectoryW(path,lpsecattribs);
 393 }
 394
 395
 396 /***********************************************************************
 397  *           RemoveDirectory16   (KERNEL)
 398  */
 399 BOOL16 WINAPI RemoveDirectory16( LPCSTR path )
 400 {
 401     return (BOOL16)RemoveDirectoryA( path );
 402 }
 403
 404
 405 /***********************************************************************
 406  *           RemoveDirectoryA   (KERNEL32.437)
 407  */
 408 BOOL WINAPI RemoveDirectoryA( LPCSTR path )
 409 {
 410     DOS_FULL_NAME full_name;
 411
 412     TRACE_(file)("'%s'\n", path );
 413
 414     if (DOSFS_GetDevice( path ))
 415     {
 416         TRACE_(file)("cannot remove device '%s'!\n", path);
 417         SetLastError( ERROR_FILE_NOT_FOUND );
 418         return FALSE;
 419     }
 420     if (!DOSFS_GetFullName( path, TRUE, &full_name )) return FALSE;
 421     if (rmdir( full_name.long_name ) == -1)
 422     {
 423         FILE_SetDosError();
 424         return FALSE;
 425     }
 426     return TRUE;
 427 }
 428
 429
 430 /***********************************************************************
 431  *           RemoveDirectoryW   (KERNEL32.438)
 432  */
 433 BOOL WINAPI RemoveDirectoryW( LPCWSTR path )
 434 {
 435     LPSTR xpath = HEAP_strdupWtoA( GetProcessHeap(), 0, path );
 436     BOOL ret = RemoveDirectoryA( xpath );
 437     HeapFree( GetProcessHeap(), 0, xpath );
 438     return ret;
 439 }
 440
 441
 442 /***********************************************************************
 443  *           DIR_TryPath
 444  *
 445  * Helper function for DIR_SearchPath.
 446  */
 447 static BOOL DIR_TryPath( const DOS_FULL_NAME *dir, LPCSTR name,
 448                            DOS_FULL_NAME *full_name )
 449 {
 450     LPSTR p_l = full_name->long_name + strlen(dir->long_name) + 1;
 451     LPSTR p_s = full_name->short_name + strlen(dir->short_name) + 1;
 452
 453     if ((p_s >= full_name->short_name + sizeof(full_name->short_name) - 14) ||
 454         (p_l >= full_name->long_name + sizeof(full_name->long_name) - 1))
 455     {
 456         SetLastError( ERROR_PATH_NOT_FOUND );
 457         return FALSE;
 458     }
 459     if (!DOSFS_FindUnixName( dir->long_name, name, p_l,
 460                    sizeof(full_name->long_name) - (p_l - full_name->long_name),
 461                    p_s, !(DRIVE_GetFlags(dir->drive) & DRIVE_CASE_SENSITIVE) ))
 462         return FALSE;
 463     strcpy( full_name->long_name, dir->long_name );
 464     p_l[-1] = '/';
 465     strcpy( full_name->short_name, dir->short_name );
 466     p_s[-1] = '\\';
 467     return TRUE;
 468 }
 469
 470
 471 /***********************************************************************
 472  *           DIR_TryEnvironmentPath
 473  *
 474  * Helper function for DIR_SearchPath.
 475  */
 476 static BOOL DIR_TryEnvironmentPath( LPCSTR name, DOS_FULL_NAME *full_name )
 477 {
 478     LPSTR path, next, buffer;
 479     BOOL ret = FALSE;
 480     INT len = strlen(name);
 481     DWORD size = GetEnvironmentVariableA( "PATH", NULL, 0 );
 482
 483     if (!size) return FALSE;
 484     if (!(path = HeapAlloc( GetProcessHeap(), 0, size ))) return FALSE;
 485     if (!GetEnvironmentVariableA( "PATH", path, size )) goto done;
 486     next = path;
 487     while (!ret && next)
 488     {
 489         LPSTR cur = next;
 490         while (*cur == ';') cur++;
 491         if (!*cur) break;
 492         next = strchr( cur, ';' );
 493         if (next) *next++ = '\0';
 494         if (!(buffer = HeapAlloc( GetProcessHeap(), 0, strlen(cur) + len + 2)))
 495             goto done;
 496         strcpy( buffer, cur );
 497         strcat( buffer, "\\" );
 498         strcat( buffer, name );
 499         ret = DOSFS_GetFullName( buffer, TRUE, full_name );
 500         HeapFree( GetProcessHeap(), 0, buffer );
 501     }
 502
 503 done:
 504     HeapFree( GetProcessHeap(), 0, path );
 505     return ret;
 506 }
 507
 508
 509 /***********************************************************************
 510  *           DIR_TryModulePath
 511  *
 512  * Helper function for DIR_SearchPath.
 513  */
 514 static BOOL DIR_TryModulePath( LPCSTR name, DOS_FULL_NAME *full_name, BOOL win32 )
 515 {
 516     /* FIXME: for now, GetModuleFileNameA can't return more */
 517     /* than OFS_MAXPATHNAME. This may change with Win32. */
 518
 519     char buffer[OFS_MAXPATHNAME];
 520     LPSTR p;
 521
 522     if (!win32)
 523     {
 524         if (!GetCurrentTask()) return FALSE;
 525         if (!GetModuleFileName16( GetCurrentTask(), buffer, sizeof(buffer) ))
 526                 buffer[0]='\0';
 527     } else {
 528         if (!GetModuleFileNameA( 0, buffer, sizeof(buffer) ))
 529                 buffer[0]='\0';
 530     }
 531     if (!(p = strrchr( buffer, '\\' ))) return FALSE;
 532     if (sizeof(buffer) - (++p - buffer) <= strlen(name)) return FALSE;
 533     strcpy( p, name );
 534     return DOSFS_GetFullName( buffer, TRUE, full_name );
 535 }
 536
 537
 538 /***********************************************************************
 539  *           DIR_SearchPath
 540  *
 541  * Implementation of SearchPathA. 'win32' specifies whether the search
 542  * order is Win16 (module path last) or Win32 (module path first).
 543  *
 544  * FIXME: should return long path names.
 545  */
 546 DWORD DIR_SearchPath( LPCSTR path, LPCSTR name, LPCSTR ext,
 547                       DOS_FULL_NAME *full_name, BOOL win32 )
 548 {
 549     DWORD len;
 550     LPCSTR p;
 551     LPSTR tmp = NULL;
 552     BOOL ret = TRUE;
 553
 554     /* First check the supplied parameters */
 555
 556     p = strrchr( name, '.' );
 557     if (p && !strchr( p, '/' ) && !strchr( p, '\\' ))
 558         ext = NULL;  /* Ignore the specified extension */
 559     if ((*name && (name[1] == ':')) ||
 560         strchr( name, '/' ) || strchr( name, '\\' ))
 561         path = NULL;  /* Ignore path if name already contains a path */
 562     if (path && !*path) path = NULL;  /* Ignore empty path */
 563
 564     len = strlen(name);
 565     if (ext) len += strlen(ext);
 566     if (path) len += strlen(path) + 1;
 567
 568     /* Allocate a buffer for the file name and extension */
 569
 570     if (path || ext)
 571     {
 572         if (!(tmp = HeapAlloc( GetProcessHeap(), 0, len + 1 )))
 573         {
 574             SetLastError( ERROR_OUTOFMEMORY );
 575             return 0;
 576         }
 577         if (path)
 578         {
 579             strcpy( tmp, path );
 580             strcat( tmp, "\\" );
 581             strcat( tmp, name );
 582         }
 583         else strcpy( tmp, name );
 584         if (ext) strcat( tmp, ext );
 585         name = tmp;
 586     }
 587
 588     /* If we have an explicit path, everything's easy */
 589
 590     if (path || (*name && (name[1] == ':')) ||
 591         strchr( name, '/' ) || strchr( name, '\\' ))
 592     {
 593         ret = DOSFS_GetFullName( name, TRUE, full_name );
 594         goto done;
 595     }
 596
 597     /* Try the path of the current executable (for Win32 search order) */
 598
 599     if (win32 && DIR_TryModulePath( name, full_name, win32 )) goto done;
 600
 601     /* Try the current directory */
 602
 603     if (DOSFS_GetFullName( name, TRUE, full_name )) goto done;
 604
 605     /* Try the Windows system directory */
 606
 607     if (DIR_TryPath( &DIR_System, name, full_name ))
 608         goto done;
 609
 610     /* Try the Windows directory */
 611
 612     if (DIR_TryPath( &DIR_Windows, name, full_name ))
 613         goto done;
 614
 615     /* Try the path of the current executable (for Win16 search order) */
 616
 617     if (!win32 && DIR_TryModulePath( name, full_name, win32 )) goto done;
 618
 619     /* Try all directories in path */
 620
 621     ret = DIR_TryEnvironmentPath( name, full_name );
 622
 623 done:
 624     if (tmp) HeapFree( GetProcessHeap(), 0, tmp );
 625     return ret;
 626 }
 627
 628
 629 /***********************************************************************
 630  * SearchPathA [KERNEL32.447]
 631  *
 632  * Searches for a specified file in the search path.
 633  *
 634  * PARAMS
 635  *    path      [I] Path to search
 636  *    name      [I] Filename to search for.
 637  *    ext       [I] File extension to append to file name. The first
 638  *                  character must be a period. This parameter is
 639  *                  specified only if the filename given does not
 640  *                  contain an extension.
 641  *    buflen    [I] size of buffer, in characters
 642  *    buffer    [O] buffer for found filename
 643  *    lastpart  [O] address of pointer to last used character in
 644  *                  buffer (the final '\')
 645  *
 646  * RETURNS
 647  *    Success: length of string copied into buffer, not including
 648  *             terminating null character. If the filename found is
 649  *             longer than the length of the buffer, the length of the
 650  *             filename is returned.
 651  *    Failure: Zero
 652  *
 653  * NOTES
 654  *    If the file is not found, calls SetLastError(ERROR_FILE_NOT_FOUND)
 655  *    (tested on NT 4.0)
 656  */
 657 DWORD WINAPI SearchPathA( LPCSTR path, LPCSTR name, LPCSTR ext, DWORD buflen,
 658                             LPSTR buffer, LPSTR *lastpart )
 659 {
 660     LPSTR p, res;
 661     DOS_FULL_NAME full_name;
 662
 663     if (!DIR_SearchPath( path, name, ext, &full_name, TRUE ))
 664     {
 665         SetLastError(ERROR_FILE_NOT_FOUND);
 666         return 0;
 667     }
 668     lstrcpynA( buffer, full_name.short_name, buflen );
 669     res = full_name.long_name +
 670               strlen(DRIVE_GetRoot( full_name.short_name[0] - 'A' ));
 671     while (*res == '/') res++;
 672     if (buflen)
 673     {
 674         if (buflen > 3) lstrcpynA( buffer + 3, res, buflen - 3 );
 675         for (p = buffer; *p; p++) if (*p == '/') *p = '\\';
 676         if (lastpart) *lastpart = strrchr( buffer, '\\' ) + 1;
 677     }
 678     TRACE("Returning %d\n", strlen(res) + 3 );
 679     return strlen(res) + 3;
 680 }
 681
 682
 683 /***********************************************************************
 684  *           SearchPathW   (KERNEL32.448)
 685  */
 686 DWORD WINAPI SearchPathW( LPCWSTR path, LPCWSTR name, LPCWSTR ext,
 687                             DWORD buflen, LPWSTR buffer, LPWSTR *lastpart )
 688 {
 689     LPWSTR p;
 690     LPSTR res;
 691     DOS_FULL_NAME full_name;
 692
 693     LPSTR pathA = HEAP_strdupWtoA( GetProcessHeap(), 0, path );
 694     LPSTR nameA = HEAP_strdupWtoA( GetProcessHeap(), 0, name );
 695     LPSTR extA  = HEAP_strdupWtoA( GetProcessHeap(), 0, ext );
 696     DWORD ret = DIR_SearchPath( pathA, nameA, extA, &full_name, TRUE );
 697     HeapFree( GetProcessHeap(), 0, extA );
 698     HeapFree( GetProcessHeap(), 0, nameA );
 699     HeapFree( GetProcessHeap(), 0, pathA );
 700     if (!ret) return 0;
 701
 702     lstrcpynAtoW( buffer, full_name.short_name, buflen );
 703     res = full_name.long_name +
 704               strlen(DRIVE_GetRoot( full_name.short_name[0] - 'A' ));
 705     while (*res == '/') res++;
 706     if (buflen)
 707     {
 708         if (buflen > 3) lstrcpynAtoW( buffer + 3, res, buflen - 3 );
 709         for (p = buffer; *p; p++) if (*p == '/') *p = '\\';
 710         if (lastpart)
 711         {
 712             for (p = *lastpart = buffer; *p; p++)
 713                 if (*p == '\\') *lastpart = p + 1;
 714         }
 715     }
 716     return strlen(res) + 3;
 717 }
 718
 719