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