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 "process.h"
  29 #include "drive.h"
  30 #include "file.h"
  31 #include "heap.h"
  32 #include "msdos.h"
  33 #include "options.h"
  34 #include "debugtools.h"
  35
  36 DEFAULT_DEBUG_CHANNEL(dosfs);
  37 DECLARE_DEBUG_CHANNEL(file);
  38
  39 static DOS_FULL_NAME DIR_Windows;
  40 static DOS_FULL_NAME DIR_System;
  41
  42
  43 /***********************************************************************
  44  *           DIR_GetPath
  45  *
  46  * Get a path name from the wine.ini file and make sure it is valid.
  47  */
  48 static int DIR_GetPath( const char *keyname, const char *defval,
  49                         DOS_FULL_NAME *full_name )
  50 {
  51     char path[MAX_PATHNAME_LEN];
  52     BY_HANDLE_FILE_INFORMATION info;
  53
  54     PROFILE_GetWineIniString( "wine", keyname, defval, path, sizeof(path) );
  55     if (!DOSFS_GetFullName( path, TRUE, full_name ) ||
  56         !FILE_Stat( full_name->long_name, &info ) ||
  57         !(info.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY))
  58     {
  59         MESSAGE("Invalid path '%s' for %s directory\n", path, keyname);
  60         return 0;
  61     }
  62     return 1;
  63 }
  64
  65
  66 /***********************************************************************
  67  *           DIR_Init
  68  */
  69 int DIR_Init(void)
  70 {
  71     char path[MAX_PATHNAME_LEN];
  72     DOS_FULL_NAME tmp_dir, profile_dir;
  73     int drive;
  74     const char *cwd;
  75
  76     if (!getcwd( path, MAX_PATHNAME_LEN ))
  77     {
  78         perror( "Could not get current directory" );
  79         return 0;
  80     }
  81     cwd = path;
  82     if ((drive = DRIVE_FindDriveRoot( &cwd )) == -1)
  83     {
  84         MESSAGE("Warning: could not find wine.conf [Drive x] entry "
  85             "for current working directory %s; "
  86             "starting in windows directory.\n", cwd );
  87     }
  88     else
  89     {
  90         DRIVE_SetCurrentDrive( drive );
  91         DRIVE_Chdir( drive, cwd );
  92     }
  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( "COMSPEC", "c:\\command.com" );
 133     SetEnvironmentVariableA( "TEMP", tmp_dir.short_name );
 134     SetEnvironmentVariableA( "windir", DIR_Windows.short_name );
 135     SetEnvironmentVariableA( "winsysdir", DIR_System.short_name );
 136
 137     TRACE("WindowsDir = %s (%s)\n",
 138           DIR_Windows.short_name, DIR_Windows.long_name );
 139     TRACE("SystemDir  = %s (%s)\n",
 140           DIR_System.short_name, DIR_System.long_name );
 141     TRACE("TempDir    = %s (%s)\n",
 142           tmp_dir.short_name, tmp_dir.long_name );
 143     TRACE("Path       = %s\n", path );
 144     TRACE("Cwd        = %c:\\%s\n",
 145           'A' + drive, DRIVE_GetDosCwd( drive ) );
 146
 147     if (DIR_GetPath( "profile", "", &profile_dir ))
 148     {
 149         TRACE("USERPROFILE= %s\n", profile_dir.short_name );
 150         SetEnvironmentVariableA( "USERPROFILE", profile_dir.short_name );
 151     }
 152
 153     TRACE("SYSTEMROOT = %s\n", DIR_Windows.short_name );
 154     SetEnvironmentVariableA( "SYSTEMROOT", DIR_Windows.short_name );
 155
 156     return 1;
 157 }
 158
 159
 160 /***********************************************************************
 161  *           GetTempPath32A   (KERNEL32.292)
 162  */
 163 UINT WINAPI GetTempPathA( UINT count, LPSTR path )
 164 {
 165     UINT ret;
 166     if (!(ret = GetEnvironmentVariableA( "TMP", path, count )))
 167         if (!(ret = GetEnvironmentVariableA( "TEMP", path, count )))
 168             if (!(ret = GetCurrentDirectoryA( count, path )))
 169                 return 0;
 170     if (count && (ret < count - 1) && (path[ret-1] != '\\'))
 171     {
 172         path[ret++] = '\\';
 173         path[ret]   = '\0';
 174     }
 175     return ret;
 176 }
 177
 178
 179 /***********************************************************************
 180  *           GetTempPath32W   (KERNEL32.293)
 181  */
 182 UINT WINAPI GetTempPathW( UINT count, LPWSTR path )
 183 {
 184     static const WCHAR tmp[]  = { 'T', 'M', 'P', 0 };
 185     static const WCHAR temp[] = { 'T', 'E', 'M', 'P', 0 };
 186     UINT ret;
 187     if (!(ret = GetEnvironmentVariableW( tmp, path, count )))
 188         if (!(ret = GetEnvironmentVariableW( temp, path, count )))
 189             if (!(ret = GetCurrentDirectoryW( count, path )))
 190                 return 0;
 191     if (count && (ret < count - 1) && (path[ret-1] != '\\'))
 192     {
 193         path[ret++] = '\\';
 194         path[ret]   = '\0';
 195     }
 196     return ret;
 197 }
 198
 199
 200 /***********************************************************************
 201  *           DIR_GetWindowsUnixDir
 202  */
 203 UINT DIR_GetWindowsUnixDir( LPSTR path, UINT count )
 204 {
 205     if (path) lstrcpynA( path, DIR_Windows.long_name, count );
 206     return strlen( DIR_Windows.long_name );
 207 }
 208
 209
 210 /***********************************************************************
 211  *           DIR_GetSystemUnixDir
 212  */
 213 UINT DIR_GetSystemUnixDir( LPSTR path, UINT count )
 214 {
 215     if (path) lstrcpynA( path, DIR_System.long_name, count );
 216     return strlen( DIR_System.long_name );
 217 }
 218
 219
 220 /***********************************************************************
 221  *           GetTempDrive   (KERNEL.92)
 222  */
 223 BYTE WINAPI GetTempDrive( BYTE ignored )
 224 {
 225     char *buffer;
 226     BYTE ret;
 227     UINT len = GetTempPathA( 0, NULL );
 228
 229     if (!(buffer = HeapAlloc( GetProcessHeap(), 0, len + 1 )) )
 230       return DRIVE_GetCurrentDrive() + 'A';
 231
 232     /* FIXME: apparently Windows does something with the ignored byte */
 233     if (!GetTempPathA( len, buffer )) buffer[0] = 'C';
 234     ret = buffer[0];
 235     HeapFree( GetProcessHeap(), 0, buffer );
 236     return toupper(ret);
 237 }
 238
 239
 240 UINT WINAPI WIN16_GetTempDrive( BYTE ignored )
 241 {
 242     /* A closer look at krnl386.exe shows what the SDK doesn't mention:
 243      *
 244      * returns:
 245      *   AL: driveletter
 246      *   AH: ':'                - yes, some kernel code even does stosw with
 247      *                            the returned AX.
 248      *   DX: 1 for success
 249      */
 250     return MAKELONG( GetTempDrive(ignored) | (':' << 8), 1 );
 251 }
 252
 253
 254 /***********************************************************************
 255  *           GetWindowsDirectory16   (KERNEL.134)
 256  */
 257 UINT16 WINAPI GetWindowsDirectory16( LPSTR path, UINT16 count )
 258 {
 259     return (UINT16)GetWindowsDirectoryA( path, count );
 260 }
 261
 262
 263 /***********************************************************************
 264  *           GetWindowsDirectory32A   (KERNEL32.311)
 265  */
 266 UINT WINAPI GetWindowsDirectoryA( LPSTR path, UINT count )
 267 {
 268     if (path) lstrcpynA( path, DIR_Windows.short_name, count );
 269     return strlen( DIR_Windows.short_name );
 270 }
 271
 272
 273 /***********************************************************************
 274  *           GetWindowsDirectory32W   (KERNEL32.312)
 275  */
 276 UINT WINAPI GetWindowsDirectoryW( LPWSTR path, UINT count )
 277 {
 278     if (path) lstrcpynAtoW( path, DIR_Windows.short_name, count );
 279     return strlen( DIR_Windows.short_name );
 280 }
 281
 282
 283 /***********************************************************************
 284  *           GetSystemDirectory16   (KERNEL.135)
 285  */
 286 UINT16 WINAPI GetSystemDirectory16( LPSTR path, UINT16 count )
 287 {
 288     return (UINT16)GetSystemDirectoryA( path, count );
 289 }
 290
 291
 292 /***********************************************************************
 293  *           GetSystemDirectory32A   (KERNEL32.282)
 294  */
 295 UINT WINAPI GetSystemDirectoryA( LPSTR path, UINT count )
 296 {
 297     if (path) lstrcpynA( path, DIR_System.short_name, count );
 298     return strlen( DIR_System.short_name );
 299 }
 300
 301
 302 /***********************************************************************
 303  *           GetSystemDirectory32W   (KERNEL32.283)
 304  */
 305 UINT WINAPI GetSystemDirectoryW( LPWSTR path, UINT count )
 306 {
 307     if (path) lstrcpynAtoW( path, DIR_System.short_name, count );
 308     return strlen( DIR_System.short_name );
 309 }
 310
 311
 312 /***********************************************************************
 313  *           CreateDirectory16   (KERNEL.144)
 314  */
 315 BOOL16 WINAPI CreateDirectory16( LPCSTR path, LPVOID dummy )
 316 {
 317     TRACE_(file)("(%s,%p)\n", path, dummy );
 318     return (BOOL16)CreateDirectoryA( path, NULL );
 319 }
 320
 321
 322 /***********************************************************************
 323  *           CreateDirectory32A   (KERNEL32.39)
 324  * RETURNS:
 325  *      TRUE : success
 326  *      FALSE : failure
 327  *              ERROR_DISK_FULL:        on full disk
 328  *              ERROR_ALREADY_EXISTS:   if directory name exists (even as file)
 329  *              ERROR_ACCESS_DENIED:    on permission problems
 330  *              ERROR_FILENAME_EXCED_RANGE: too long filename(s)
 331  */
 332 BOOL WINAPI CreateDirectoryA( LPCSTR path,
 333                                   LPSECURITY_ATTRIBUTES lpsecattribs )
 334 {
 335     DOS_FULL_NAME full_name;
 336
 337     TRACE_(file)("(%s,%p)\n", path, lpsecattribs );
 338     if (DOSFS_GetDevice( path ))
 339     {
 340         TRACE_(file)("cannot use device '%s'!\n",path);
 341         SetLastError( ERROR_ACCESS_DENIED );
 342         return FALSE;
 343     }
 344     if (!DOSFS_GetFullName( path, FALSE, &full_name )) return 0;
 345     if (mkdir( full_name.long_name, 0777 ) == -1) {
 346         WARN_(file)("Errno %i trying to create directory %s.\n", errno, full_name.long_name);
 347         /* the FILE_SetDosError() generated error codes don't match the
 348          * CreateDirectory ones for some errnos */
 349         switch (errno) {
 350         case EEXIST: SetLastError(ERROR_ALREADY_EXISTS); break;
 351         case ENOSPC: SetLastError(ERROR_DISK_FULL); break;
 352         default: FILE_SetDosError();break;
 353         }
 354         return FALSE;
 355     }
 356     return TRUE;
 357 }
 358
 359
 360 /***********************************************************************
 361  *           CreateDirectory32W   (KERNEL32.42)
 362  */
 363 BOOL WINAPI CreateDirectoryW( LPCWSTR path,
 364                                   LPSECURITY_ATTRIBUTES lpsecattribs )
 365 {
 366     LPSTR xpath = HEAP_strdupWtoA( GetProcessHeap(), 0, path );
 367     BOOL ret = CreateDirectoryA( xpath, lpsecattribs );
 368     HeapFree( GetProcessHeap(), 0, xpath );
 369     return ret;
 370 }
 371
 372
 373 /***********************************************************************
 374  *           CreateDirectoryEx32A   (KERNEL32.40)
 375  */
 376 BOOL WINAPI CreateDirectoryExA( LPCSTR template, LPCSTR path,
 377                                     LPSECURITY_ATTRIBUTES lpsecattribs)
 378 {
 379     return CreateDirectoryA(path,lpsecattribs);
 380 }
 381
 382
 383 /***********************************************************************
 384  *           CreateDirectoryEx32W   (KERNEL32.41)
 385  */
 386 BOOL WINAPI CreateDirectoryExW( LPCWSTR template, LPCWSTR path,
 387                                     LPSECURITY_ATTRIBUTES lpsecattribs)
 388 {
 389     return CreateDirectoryW(path,lpsecattribs);
 390 }
 391
 392
 393 /***********************************************************************
 394  *           RemoveDirectory16   (KERNEL)
 395  */
 396 BOOL16 WINAPI RemoveDirectory16( LPCSTR path )
 397 {
 398     return (BOOL16)RemoveDirectoryA( path );
 399 }
 400
 401
 402 /***********************************************************************
 403  *           RemoveDirectory32A   (KERNEL32.437)
 404  */
 405 BOOL WINAPI RemoveDirectoryA( LPCSTR path )
 406 {
 407     DOS_FULL_NAME full_name;
 408
 409     TRACE_(file)("'%s'\n", path );
 410
 411     if (DOSFS_GetDevice( path ))
 412     {
 413         TRACE_(file)("cannot remove device '%s'!\n", path);
 414         SetLastError( ERROR_FILE_NOT_FOUND );
 415         return FALSE;
 416     }
 417     if (!DOSFS_GetFullName( path, TRUE, &full_name )) return FALSE;
 418     if (rmdir( full_name.long_name ) == -1)
 419     {
 420         FILE_SetDosError();
 421         return FALSE;
 422     }
 423     return TRUE;
 424 }
 425
 426
 427 /***********************************************************************
 428  *           RemoveDirectory32W   (KERNEL32.438)
 429  */
 430 BOOL WINAPI RemoveDirectoryW( LPCWSTR path )
 431 {
 432     LPSTR xpath = HEAP_strdupWtoA( GetProcessHeap(), 0, path );
 433     BOOL ret = RemoveDirectoryA( xpath );
 434     HeapFree( GetProcessHeap(), 0, xpath );
 435     return ret;
 436 }
 437
 438
 439 /***********************************************************************
 440  *           DIR_TryPath
 441  *
 442  * Helper function for DIR_SearchPath.
 443  */
 444 static BOOL DIR_TryPath( const DOS_FULL_NAME *dir, LPCSTR name,
 445                            DOS_FULL_NAME *full_name )
 446 {
 447     LPSTR p_l = full_name->long_name + strlen(dir->long_name) + 1;
 448     LPSTR p_s = full_name->short_name + strlen(dir->short_name) + 1;
 449
 450     if ((p_s >= full_name->short_name + sizeof(full_name->short_name) - 14) ||
 451         (p_l >= full_name->long_name + sizeof(full_name->long_name) - 1))
 452     {
 453         SetLastError( ERROR_PATH_NOT_FOUND );
 454         return FALSE;
 455     }
 456     if (!DOSFS_FindUnixName( dir->long_name, name, p_l,
 457                    sizeof(full_name->long_name) - (p_l - full_name->long_name),
 458                    p_s, !(DRIVE_GetFlags(dir->drive) & DRIVE_CASE_SENSITIVE) ))
 459         return FALSE;
 460     strcpy( full_name->long_name, dir->long_name );
 461     p_l[-1] = '/';
 462     strcpy( full_name->short_name, dir->short_name );
 463     p_s[-1] = '\\';
 464     return TRUE;
 465 }
 466
 467
 468 /***********************************************************************
 469  *           DIR_TryEnvironmentPath
 470  *
 471  * Helper function for DIR_SearchPath.
 472  */
 473 static BOOL DIR_TryEnvironmentPath( LPCSTR name, DOS_FULL_NAME *full_name )
 474 {
 475     LPSTR path, next, buffer;
 476     BOOL ret = FALSE;
 477     INT len = strlen(name);
 478     DWORD size = GetEnvironmentVariableA( "PATH", NULL, 0 );
 479
 480     if (!size) return FALSE;
 481     if (!(path = HeapAlloc( GetProcessHeap(), 0, size ))) return FALSE;
 482     if (!GetEnvironmentVariableA( "PATH", path, size )) goto done;
 483     next = path;
 484     while (!ret && next)
 485     {
 486         LPSTR cur = next;
 487         while (*cur == ';') cur++;
 488         if (!*cur) break;
 489         next = strchr( cur, ';' );
 490         if (next) *next++ = '\0';
 491         if (!(buffer = HeapAlloc( GetProcessHeap(), 0, strlen(cur) + len + 2)))
 492             goto done;
 493         strcpy( buffer, cur );
 494         strcat( buffer, "\\" );
 495         strcat( buffer, name );
 496         ret = DOSFS_GetFullName( buffer, TRUE, full_name );
 497         HeapFree( GetProcessHeap(), 0, buffer );
 498     }
 499
 500 done:
 501     HeapFree( GetProcessHeap(), 0, path );
 502     return ret;
 503 }
 504
 505
 506 /***********************************************************************
 507  *           DIR_TryModulePath
 508  *
 509  * Helper function for DIR_SearchPath.
 510  */
 511 static BOOL DIR_TryModulePath( LPCSTR name, DOS_FULL_NAME *full_name )
 512 {
 513     PDB *pdb = PROCESS_Current();
 514
 515     /* FIXME: for now, GetModuleFileName32A can't return more */
 516     /* than OFS_MAXPATHNAME. This may change with Win32. */
 517
 518     char buffer[OFS_MAXPATHNAME];
 519     LPSTR p;
 520
 521     if (pdb->flags & PDB32_WIN16_PROC) {
 522         if (!GetCurrentTask()) return FALSE;
 523         if (!GetModuleFileName16( GetCurrentTask(), buffer, sizeof(buffer) ))
 524                 buffer[0]='\0';
 525     } else {
 526         if (!GetModuleFileNameA( 0, buffer, sizeof(buffer) ))
 527                 buffer[0]='\0';
 528     }
 529     if (!(p = strrchr( buffer, '\\' ))) return FALSE;
 530     if (sizeof(buffer) - (++p - buffer) <= strlen(name)) return FALSE;
 531     strcpy( p, name );
 532     return DOSFS_GetFullName( buffer, TRUE, full_name );
 533 }
 534
 535
 536 /***********************************************************************
 537  *           DIR_SearchPath
 538  *
 539  * Implementation of SearchPath32A. 'win32' specifies whether the search
 540  * order is Win16 (module path last) or Win32 (module path first).
 541  *
 542  * FIXME: should return long path names.
 543  */
 544 DWORD DIR_SearchPath( LPCSTR path, LPCSTR name, LPCSTR ext,
 545                       DOS_FULL_NAME *full_name, BOOL win32 )
 546 {
 547     DWORD len;
 548     LPCSTR p;
 549     LPSTR tmp = NULL;
 550     BOOL ret = TRUE;
 551
 552     /* First check the supplied parameters */
 553
 554     p = strrchr( name, '.' );
 555     if (p && !strchr( p, '/' ) && !strchr( p, '\\' ))
 556         ext = NULL;  /* Ignore the specified extension */
 557     if ((*name && (name[1] == ':')) ||
 558         strchr( name, '/' ) || strchr( name, '\\' ))
 559         path = NULL;  /* Ignore path if name already contains a path */
 560     if (path && !*path) path = NULL;  /* Ignore empty path */
 561
 562     len = strlen(name);
 563     if (ext) len += strlen(ext);
 564     if (path) len += strlen(path) + 1;
 565
 566     /* Allocate a buffer for the file name and extension */
 567
 568     if (path || ext)
 569     {
 570         if (!(tmp = HeapAlloc( GetProcessHeap(), 0, len + 1 )))
 571         {
 572             SetLastError( ERROR_OUTOFMEMORY );
 573             return 0;
 574         }
 575         if (path)
 576         {
 577             strcpy( tmp, path );
 578             strcat( tmp, "\\" );
 579             strcat( tmp, name );
 580         }
 581         else strcpy( tmp, name );
 582         if (ext) strcat( tmp, ext );
 583         name = tmp;
 584     }
 585
 586     /* If we have an explicit path, everything's easy */
 587
 588     if (path || (*name && (name[1] == ':')) ||
 589         strchr( name, '/' ) || strchr( name, '\\' ))
 590     {
 591         ret = DOSFS_GetFullName( name, TRUE, full_name );
 592         goto done;
 593     }
 594
 595     /* Try the path of the current executable (for Win32 search order) */
 596
 597     if (win32 && DIR_TryModulePath( name, full_name )) goto done;
 598
 599     /* Try the current directory */
 600
 601     if (DOSFS_GetFullName( name, TRUE, full_name )) goto done;
 602
 603     /* Try the Windows system directory */
 604
 605     if (DIR_TryPath( &DIR_System, name, full_name ))
 606         goto done;
 607
 608     /* Try the Windows directory */
 609
 610     if (DIR_TryPath( &DIR_Windows, name, full_name ))
 611         goto done;
 612
 613     /* Try the path of the current executable (for Win16 search order) */
 614
 615     if (!win32 && DIR_TryModulePath( name, full_name )) goto done;
 616
 617     /* Try all directories in path */
 618
 619     ret = DIR_TryEnvironmentPath( name, full_name );
 620
 621 done:
 622     if (tmp) HeapFree( GetProcessHeap(), 0, tmp );
 623     return ret;
 624 }
 625
 626
 627 /***********************************************************************
 628  * SearchPath32A [KERNEL32.447]
 629  *
 630  * Searches for a specified file in the search path.
 631  *
 632  * PARAMS
 633  *    path      [I] Path to search
 634  *    name      [I] Filename to search for.
 635  *    ext       [I] File extension to append to file name. The first
 636  *                  character must be a period. This parameter is
 637  *                  specified only if the filename given does not
 638  *                  contain an extension.
 639  *    buflen    [I] size of buffer, in characters
 640  *    buffer    [O] buffer for found filename
 641  *    lastpart  [O] address of pointer to last used character in
 642  *                  buffer (the final '\')
 643  *
 644  * RETURNS
 645  *    Success: length of string copied into buffer, not including
 646  *             terminating null character. If the filename found is
 647  *             longer than the length of the buffer, the length of the
 648  *             filename is returned.
 649  *    Failure: Zero
 650  *
 651  * NOTES
 652  *    Should call SetLastError(but currently doesn't).
 653  */
 654 DWORD WINAPI SearchPathA( LPCSTR path, LPCSTR name, LPCSTR ext, DWORD buflen,
 655                             LPSTR buffer, LPSTR *lastpart )
 656 {
 657     LPSTR p, res;
 658     DOS_FULL_NAME full_name;
 659
 660     if (!DIR_SearchPath( path, name, ext, &full_name, TRUE )) return 0;
 661     lstrcpynA( buffer, full_name.short_name, buflen );
 662     res = full_name.long_name +
 663               strlen(DRIVE_GetRoot( full_name.short_name[0] - 'A' ));
 664     while (*res == '/') res++;
 665     if (buflen)
 666     {
 667         if (buflen > 3) lstrcpynA( buffer + 3, res, buflen - 3 );
 668         for (p = buffer; *p; p++) if (*p == '/') *p = '\\';
 669         if (lastpart) *lastpart = strrchr( buffer, '\\' ) + 1;
 670     }
 671     TRACE("Returning %d\n", strlen(res) + 3 );
 672     return strlen(res) + 3;
 673 }
 674
 675
 676 /***********************************************************************
 677  *           SearchPath32W   (KERNEL32.448)
 678  */
 679 DWORD WINAPI SearchPathW( LPCWSTR path, LPCWSTR name, LPCWSTR ext,
 680                             DWORD buflen, LPWSTR buffer, LPWSTR *lastpart )
 681 {
 682     LPWSTR p;
 683     LPSTR res;
 684     DOS_FULL_NAME full_name;
 685
 686     LPSTR pathA = HEAP_strdupWtoA( GetProcessHeap(), 0, path );
 687     LPSTR nameA = HEAP_strdupWtoA( GetProcessHeap(), 0, name );
 688     LPSTR extA  = HEAP_strdupWtoA( GetProcessHeap(), 0, ext );
 689     DWORD ret = DIR_SearchPath( pathA, nameA, extA, &full_name, TRUE );
 690     HeapFree( GetProcessHeap(), 0, extA );
 691     HeapFree( GetProcessHeap(), 0, nameA );
 692     HeapFree( GetProcessHeap(), 0, pathA );
 693     if (!ret) return 0;
 694
 695     lstrcpynAtoW( buffer, full_name.short_name, buflen );
 696     res = full_name.long_name +
 697               strlen(DRIVE_GetRoot( full_name.short_name[0] - 'A' ));
 698     while (*res == '/') res++;
 699     if (buflen)
 700     {
 701         if (buflen > 3) lstrcpynAtoW( buffer + 3, res, buflen - 3 );
 702         for (p = buffer; *p; p++) if (*p == '/') *p = '\\';
 703         if (lastpart)
 704         {
 705             for (p = *lastpart = buffer; *p; p++)
 706                 if (*p == '\\') *lastpart = p + 1;
 707         }
 708     }
 709     return strlen(res) + 3;
 710 }
 711
 712