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 "windef.h"
  24 #include "wingdi.h"
  25 #include "wine/winuser16.h"
  26 #include "winerror.h"
  27 #include "drive.h"
  28 #include "file.h"
  29 #include "heap.h"
  30 #include "msdos.h"
  31 #include "options.h"
  32 #include "debugtools.h"
  33
  34 DEFAULT_DEBUG_CHANNEL(dosfs);
  35 DECLARE_DEBUG_CHANNEL(file);
  36
  37 static DOS_FULL_NAME DIR_Windows;
  38 static DOS_FULL_NAME DIR_System;
  39
  40
  41 /***********************************************************************
  42  *           DIR_GetPath
  43  *
  44  * Get a path name from the wine.ini file and make sure it is valid.
  45  */
  46 static int DIR_GetPath( const char *keyname, const char *defval,
  47                         DOS_FULL_NAME *full_name )
  48 {
  49     char path[MAX_PATHNAME_LEN];
  50     BY_HANDLE_FILE_INFORMATION info;
  51     const char *mess = "does not exist";
  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 ) && (mess=strerror(errno)))||
  56         (!(info.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) && (mess="not a directory")))
  57     {
  58         MESSAGE("Invalid path '%s' for %s directory: %s\n", path, keyname, mess);
  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 config [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 '%s' (specified in wine configuration file) is not writeable.\n", tmp_dir.long_name);
 105                 PROFILE_UsageWineIni();
 106         }
 107         else
 108                 MESSAGE("Warning: access to temporary directory '%s' failed (%s).\n",
 109                     tmp_dir.long_name, 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 config!\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( "TMP", 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  * A closer look at krnl386.exe shows what the SDK doesn't mention:
 226  *
 227  * returns:
 228  *   AL: driveletter
 229  *   AH: ':'            - yes, some kernel code even does stosw with
 230  *                            the returned AX.
 231  *   DX: 1 for success
 232  */
 233 UINT WINAPI GetTempDrive( BYTE ignored )
 234 {
 235     char *buffer;
 236     BYTE ret;
 237     UINT len = GetTempPathA( 0, NULL );
 238
 239     if (!(buffer = HeapAlloc( GetProcessHeap(), 0, len + 1 )) )
 240         ret = DRIVE_GetCurrentDrive() + 'A';
 241     else
 242     {
 243         /* FIXME: apparently Windows does something with the ignored byte */
 244         if (!GetTempPathA( len, buffer )) buffer[0] = 'C';
 245         ret = toupper(buffer[0]);
 246         HeapFree( GetProcessHeap(), 0, buffer );
 247     }
 248     return MAKELONG( ret | (':' << 8), 1 );
 249 }
 250
 251
 252 /***********************************************************************
 253  *           GetWindowsDirectory16   (KERNEL.134)
 254  */
 255 UINT16 WINAPI GetWindowsDirectory16( LPSTR path, UINT16 count )
 256 {
 257     return (UINT16)GetWindowsDirectoryA( path, count );
 258 }
 259
 260
 261 /***********************************************************************
 262  *           GetWindowsDirectoryA   (KERNEL32.311)
 263  */
 264 UINT WINAPI GetWindowsDirectoryA( LPSTR path, UINT count )
 265 {
 266     if (path) lstrcpynA( path, DIR_Windows.short_name, count );
 267     return strlen( DIR_Windows.short_name );
 268 }
 269
 270
 271 /***********************************************************************
 272  *           GetWindowsDirectoryW   (KERNEL32.312)
 273  */
 274 UINT WINAPI GetWindowsDirectoryW( LPWSTR path, UINT count )
 275 {
 276     UINT len = MultiByteToWideChar( CP_ACP, 0, DIR_Windows.short_name, -1, NULL, 0 );
 277     if (path && count)
 278     {
 279         if (!MultiByteToWideChar( CP_ACP, 0, DIR_Windows.short_name, -1, path, count ))
 280             path[count-1] = 0;
 281     }
 282     return len;
 283 }
 284
 285
 286 /***********************************************************************
 287  *           GetSystemWindowsDirectoryA   (KERNEL32) W2K, TS4.0SP4
 288  */
 289 UINT WINAPI GetSystemWindowsDirectoryA( LPSTR path, UINT count )
 290 {
 291     return GetWindowsDirectoryA( path, count );
 292 }
 293
 294
 295 /***********************************************************************
 296  *           GetSystemWindowsDirectoryW   (KERNEL32) W2K, TS4.0SP4
 297  */
 298 UINT WINAPI GetSystemWindowsDirectoryW( LPWSTR path, UINT count )
 299 {
 300     return GetWindowsDirectoryW( path, count );
 301 }
 302
 303
 304 /***********************************************************************
 305  *           GetSystemDirectory16   (KERNEL.135)
 306  */
 307 UINT16 WINAPI GetSystemDirectory16( LPSTR path, UINT16 count )
 308 {
 309     return (UINT16)GetSystemDirectoryA( path, count );
 310 }
 311
 312
 313 /***********************************************************************
 314  *           GetSystemDirectoryA   (KERNEL32.282)
 315  */
 316 UINT WINAPI GetSystemDirectoryA( LPSTR path, UINT count )
 317 {
 318     if (path) lstrcpynA( path, DIR_System.short_name, count );
 319     return strlen( DIR_System.short_name );
 320 }
 321
 322
 323 /***********************************************************************
 324  *           GetSystemDirectoryW   (KERNEL32.283)
 325  */
 326 UINT WINAPI GetSystemDirectoryW( LPWSTR path, UINT count )
 327 {
 328     UINT len = MultiByteToWideChar( CP_ACP, 0, DIR_System.short_name, -1, NULL, 0 );
 329     if (path && count)
 330     {
 331         if (!MultiByteToWideChar( CP_ACP, 0, DIR_System.short_name, -1, path, count ))
 332             path[count-1] = 0;
 333     }
 334     return len;
 335 }
 336
 337
 338 /***********************************************************************
 339  *           CreateDirectory16   (KERNEL.144)
 340  */
 341 BOOL16 WINAPI CreateDirectory16( LPCSTR path, LPVOID dummy )
 342 {
 343     TRACE_(file)("(%s,%p)\n", path, dummy );
 344     return (BOOL16)CreateDirectoryA( path, NULL );
 345 }
 346
 347
 348 /***********************************************************************
 349  *           CreateDirectoryA   (KERNEL32.39)
 350  * RETURNS:
 351  *      TRUE : success
 352  *      FALSE : failure
 353  *              ERROR_DISK_FULL:        on full disk
 354  *              ERROR_ALREADY_EXISTS:   if directory name exists (even as file)
 355  *              ERROR_ACCESS_DENIED:    on permission problems
 356  *              ERROR_FILENAME_EXCED_RANGE: too long filename(s)
 357  */
 358 BOOL WINAPI CreateDirectoryA( LPCSTR path,
 359                                   LPSECURITY_ATTRIBUTES lpsecattribs )
 360 {
 361     DOS_FULL_NAME full_name;
 362
 363     TRACE_(file)("(%s,%p)\n", path, lpsecattribs );
 364     if (DOSFS_GetDevice( path ))
 365     {
 366         TRACE_(file)("cannot use device '%s'!\n",path);
 367         SetLastError( ERROR_ACCESS_DENIED );
 368         return FALSE;
 369     }
 370     if (!DOSFS_GetFullName( path, FALSE, &full_name )) return 0;
 371     if (mkdir( full_name.long_name, 0777 ) == -1) {
 372         WARN_(file)("Errno %i trying to create directory '%s'\n", errno, full_name.long_name);
 373         /* the FILE_SetDosError() generated error codes don't match the
 374          * CreateDirectory ones for some errnos */
 375         switch (errno) {
 376         case EEXIST: SetLastError(ERROR_ALREADY_EXISTS); break;
 377         case ENOSPC: SetLastError(ERROR_DISK_FULL); break;
 378         default: FILE_SetDosError();break;
 379         }
 380         return FALSE;
 381     }
 382     return TRUE;
 383 }
 384
 385
 386 /***********************************************************************
 387  *           CreateDirectoryW   (KERNEL32.42)
 388  */
 389 BOOL WINAPI CreateDirectoryW( LPCWSTR path,
 390                                   LPSECURITY_ATTRIBUTES lpsecattribs )
 391 {
 392     LPSTR xpath = HEAP_strdupWtoA( GetProcessHeap(), 0, path );
 393     BOOL ret = CreateDirectoryA( xpath, lpsecattribs );
 394     HeapFree( GetProcessHeap(), 0, xpath );
 395     return ret;
 396 }
 397
 398
 399 /***********************************************************************
 400  *           CreateDirectoryExA   (KERNEL32.40)
 401  */
 402 BOOL WINAPI CreateDirectoryExA( LPCSTR template, LPCSTR path,
 403                                     LPSECURITY_ATTRIBUTES lpsecattribs)
 404 {
 405     return CreateDirectoryA(path,lpsecattribs);
 406 }
 407
 408
 409 /***********************************************************************
 410  *           CreateDirectoryExW   (KERNEL32.41)
 411  */
 412 BOOL WINAPI CreateDirectoryExW( LPCWSTR template, LPCWSTR path,
 413                                     LPSECURITY_ATTRIBUTES lpsecattribs)
 414 {
 415     return CreateDirectoryW(path,lpsecattribs);
 416 }
 417
 418
 419 /***********************************************************************
 420  *           RemoveDirectory16   (KERNEL)
 421  */
 422 BOOL16 WINAPI RemoveDirectory16( LPCSTR path )
 423 {
 424     return (BOOL16)RemoveDirectoryA( path );
 425 }
 426
 427
 428 /***********************************************************************
 429  *           RemoveDirectoryA   (KERNEL32.437)
 430  */
 431 BOOL WINAPI RemoveDirectoryA( LPCSTR path )
 432 {
 433     DOS_FULL_NAME full_name;
 434
 435     TRACE_(file)("'%s'\n", path );
 436
 437     if (DOSFS_GetDevice( path ))
 438     {
 439         TRACE_(file)("cannot remove device '%s'!\n", path);
 440         SetLastError( ERROR_FILE_NOT_FOUND );
 441         return FALSE;
 442     }
 443     if (!DOSFS_GetFullName( path, TRUE, &full_name )) return FALSE;
 444     if (rmdir( full_name.long_name ) == -1)
 445     {
 446         FILE_SetDosError();
 447         return FALSE;
 448     }
 449     return TRUE;
 450 }
 451
 452
 453 /***********************************************************************
 454  *           RemoveDirectoryW   (KERNEL32.438)
 455  */
 456 BOOL WINAPI RemoveDirectoryW( LPCWSTR path )
 457 {
 458     LPSTR xpath = HEAP_strdupWtoA( GetProcessHeap(), 0, path );
 459     BOOL ret = RemoveDirectoryA( xpath );
 460     HeapFree( GetProcessHeap(), 0, xpath );
 461     return ret;
 462 }
 463
 464
 465 /***********************************************************************
 466  *           DIR_TryPath
 467  *
 468  * Helper function for DIR_SearchPath.
 469  */
 470 static BOOL DIR_TryPath( const DOS_FULL_NAME *dir, LPCSTR name,
 471                            DOS_FULL_NAME *full_name )
 472 {
 473     LPSTR p_l = full_name->long_name + strlen(dir->long_name) + 1;
 474     LPSTR p_s = full_name->short_name + strlen(dir->short_name) + 1;
 475
 476     if ((p_s >= full_name->short_name + sizeof(full_name->short_name) - 14) ||
 477         (p_l >= full_name->long_name + sizeof(full_name->long_name) - 1))
 478     {
 479         SetLastError( ERROR_PATH_NOT_FOUND );
 480         return FALSE;
 481     }
 482     if (!DOSFS_FindUnixName( dir->long_name, name, p_l,
 483                    sizeof(full_name->long_name) - (p_l - full_name->long_name),
 484                    p_s, !(DRIVE_GetFlags(dir->drive) & DRIVE_CASE_SENSITIVE) ))
 485         return FALSE;
 486     strcpy( full_name->long_name, dir->long_name );
 487     p_l[-1] = '/';
 488     strcpy( full_name->short_name, dir->short_name );
 489     p_s[-1] = '\\';
 490     return TRUE;
 491 }
 492
 493
 494 /***********************************************************************
 495  *           DIR_TryEnvironmentPath
 496  *
 497  * Helper function for DIR_SearchPath.
 498  * Search in the specified path, or in $PATH if NULL.
 499  */
 500 static BOOL DIR_TryEnvironmentPath( LPCSTR name, DOS_FULL_NAME *full_name, LPCSTR envpath )
 501 {
 502     LPSTR path, next, buffer;
 503     BOOL ret = FALSE;
 504     INT len = strlen(name);
 505     DWORD size;
 506
 507     size = envpath ? strlen(envpath)+1 : GetEnvironmentVariableA( "PATH", NULL, 0 );
 508     if (!size) return FALSE;
 509     if (!(path = HeapAlloc( GetProcessHeap(), 0, size ))) return FALSE;
 510     if (envpath) strcpy( path, envpath );
 511     else if (!GetEnvironmentVariableA( "PATH", path, size )) goto done;
 512     next = path;
 513     while (!ret && next)
 514     {
 515         LPSTR cur = next;
 516         while (*cur == ';') cur++;
 517         if (!*cur) break;
 518         next = strchr( cur, ';' );
 519         if (next) *next++ = '\0';
 520         if (!(buffer = HeapAlloc( GetProcessHeap(), 0, strlen(cur) + len + 2)))
 521             goto done;
 522         strcpy( buffer, cur );
 523         strcat( buffer, "\\" );
 524         strcat( buffer, name );
 525         ret = DOSFS_GetFullName( buffer, TRUE, full_name );
 526         HeapFree( GetProcessHeap(), 0, buffer );
 527     }
 528
 529 done:
 530     HeapFree( GetProcessHeap(), 0, path );
 531     return ret;
 532 }
 533
 534
 535 /***********************************************************************
 536  *           DIR_TryModulePath
 537  *
 538  * Helper function for DIR_SearchPath.
 539  */
 540 static BOOL DIR_TryModulePath( LPCSTR name, DOS_FULL_NAME *full_name, BOOL win32 )
 541 {
 542     /* FIXME: for now, GetModuleFileNameA can't return more */
 543     /* than OFS_MAXPATHNAME. This may change with Win32. */
 544
 545     char buffer[OFS_MAXPATHNAME];
 546     LPSTR p;
 547
 548     if (!win32)
 549     {
 550         if (!GetCurrentTask()) return FALSE;
 551         if (!GetModuleFileName16( GetCurrentTask(), buffer, sizeof(buffer) ))
 552                 buffer[0]='\0';
 553     } else {
 554         if (!GetModuleFileNameA( 0, buffer, sizeof(buffer) ))
 555                 buffer[0]='\0';
 556     }
 557     if (!(p = strrchr( buffer, '\\' ))) return FALSE;
 558     if (sizeof(buffer) - (++p - buffer) <= strlen(name)) return FALSE;
 559     strcpy( p, name );
 560     return DOSFS_GetFullName( buffer, TRUE, full_name );
 561 }
 562
 563
 564 /***********************************************************************
 565  *           DIR_SearchPath
 566  *
 567  * Implementation of SearchPathA. 'win32' specifies whether the search
 568  * order is Win16 (module path last) or Win32 (module path first).
 569  *
 570  * FIXME: should return long path names.
 571  */
 572 DWORD DIR_SearchPath( LPCSTR path, LPCSTR name, LPCSTR ext,
 573                       DOS_FULL_NAME *full_name, BOOL win32 )
 574 {
 575     LPCSTR p;
 576     LPSTR tmp = NULL;
 577     BOOL ret = TRUE;
 578
 579     /* First check the supplied parameters */
 580
 581     p = strrchr( name, '.' );
 582     if (p && !strchr( p, '/' ) && !strchr( p, '\\' ))
 583         ext = NULL;  /* Ignore the specified extension */
 584     if ((*name && (name[1] == ':')) ||
 585         strchr( name, '/' ) || strchr( name, '\\' ))
 586         path = NULL;  /* Ignore path if name already contains a path */
 587     if (path && !*path) path = NULL;  /* Ignore empty path */
 588
 589     /* Allocate a buffer for the file name and extension */
 590
 591     if (ext)
 592     {
 593         DWORD len = strlen(name) + strlen(ext);
 594         if (!(tmp = HeapAlloc( GetProcessHeap(), 0, len + 1 )))
 595         {
 596             SetLastError( ERROR_OUTOFMEMORY );
 597             return 0;
 598         }
 599         strcpy( tmp, name );
 600         strcat( tmp, ext );
 601         name = tmp;
 602     }
 603
 604     /* If the name contains an explicit path, everything's easy */
 605
 606     if ((*name && (name[1] == ':')) || strchr( name, '/' ) || strchr( name, '\\' ))
 607     {
 608         ret = DOSFS_GetFullName( name, TRUE, full_name );
 609         goto done;
 610     }
 611
 612     /* Search in the specified path */
 613
 614     if (path)
 615     {
 616         ret = DIR_TryEnvironmentPath( name, full_name, path );
 617         goto done;
 618     }
 619
 620     /* Try the path of the current executable (for Win32 search order) */
 621
 622     if (win32 && DIR_TryModulePath( name, full_name, win32 )) goto done;
 623
 624     /* Try the current directory */
 625
 626     if (DOSFS_GetFullName( name, TRUE, full_name )) goto done;
 627
 628     /* Try the Windows system directory */
 629
 630     if (DIR_TryPath( &DIR_System, name, full_name ))
 631         goto done;
 632
 633     /* Try the Windows directory */
 634
 635     if (DIR_TryPath( &DIR_Windows, name, full_name ))
 636         goto done;
 637
 638     /* Try the path of the current executable (for Win16 search order) */
 639
 640     if (!win32 && DIR_TryModulePath( name, full_name, win32 )) goto done;
 641
 642     /* Try all directories in path */
 643
 644     ret = DIR_TryEnvironmentPath( name, full_name, NULL );
 645
 646 done:
 647     if (tmp) HeapFree( GetProcessHeap(), 0, tmp );
 648     return ret;
 649 }
 650
 651
 652 /***********************************************************************
 653  * SearchPathA [KERNEL32.447]
 654  *
 655  * Searches for a specified file in the search path.
 656  *
 657  * PARAMS
 658  *    path      [I] Path to search
 659  *    name      [I] Filename to search for.
 660  *    ext       [I] File extension to append to file name. The first
 661  *                  character must be a period. This parameter is
 662  *                  specified only if the filename given does not
 663  *                  contain an extension.
 664  *    buflen    [I] size of buffer, in characters
 665  *    buffer    [O] buffer for found filename
 666  *    lastpart  [O] address of pointer to last used character in
 667  *                  buffer (the final '\')
 668  *
 669  * RETURNS
 670  *    Success: length of string copied into buffer, not including
 671  *             terminating null character. If the filename found is
 672  *             longer than the length of the buffer, the length of the
 673  *             filename is returned.
 674  *    Failure: Zero
 675  *
 676  * NOTES
 677  *    If the file is not found, calls SetLastError(ERROR_FILE_NOT_FOUND)
 678  *    (tested on NT 4.0)
 679  */
 680 DWORD WINAPI SearchPathA( LPCSTR path, LPCSTR name, LPCSTR ext, DWORD buflen,
 681                             LPSTR buffer, LPSTR *lastpart )
 682 {
 683     LPSTR p, res;
 684     DOS_FULL_NAME full_name;
 685
 686     if (!DIR_SearchPath( path, name, ext, &full_name, TRUE ))
 687     {
 688         SetLastError(ERROR_FILE_NOT_FOUND);
 689         return 0;
 690     }
 691     lstrcpynA( buffer, full_name.short_name, buflen );
 692     res = full_name.long_name +
 693               strlen(DRIVE_GetRoot( full_name.short_name[0] - 'A' ));
 694     while (*res == '/') res++;
 695     if (buflen)
 696     {
 697         if (buflen > 3) lstrcpynA( buffer + 3, res, buflen - 3 );
 698         for (p = buffer; *p; p++) if (*p == '/') *p = '\\';
 699         if (lastpart) *lastpart = strrchr( buffer, '\\' ) + 1;
 700     }
 701     TRACE("Returning %d\n", strlen(res) + 3 );
 702     return strlen(res) + 3;
 703 }
 704
 705
 706 /***********************************************************************
 707  *           SearchPathW   (KERNEL32.448)
 708  */
 709 DWORD WINAPI SearchPathW( LPCWSTR path, LPCWSTR name, LPCWSTR ext,
 710                             DWORD buflen, LPWSTR buffer, LPWSTR *lastpart )
 711 {
 712     LPWSTR p;
 713     LPSTR res;
 714     DOS_FULL_NAME full_name;
 715
 716     LPSTR pathA = HEAP_strdupWtoA( GetProcessHeap(), 0, path );
 717     LPSTR nameA = HEAP_strdupWtoA( GetProcessHeap(), 0, name );
 718     LPSTR extA  = HEAP_strdupWtoA( GetProcessHeap(), 0, ext );
 719     DWORD ret = DIR_SearchPath( pathA, nameA, extA, &full_name, TRUE );
 720     HeapFree( GetProcessHeap(), 0, extA );
 721     HeapFree( GetProcessHeap(), 0, nameA );
 722     HeapFree( GetProcessHeap(), 0, pathA );
 723     if (!ret) return 0;
 724
 725     if (buflen > 0 && !MultiByteToWideChar( CP_ACP, 0, full_name.short_name, -1, buffer, buflen ))
 726         buffer[buflen-1] = 0;
 727     res = full_name.long_name +
 728               strlen(DRIVE_GetRoot( full_name.short_name[0] - 'A' ));
 729     while (*res == '/') res++;
 730     if (buflen)
 731     {
 732         if (buflen > 3)
 733         {
 734             if (!MultiByteToWideChar( CP_ACP, 0, res, -1, buffer+3, buflen-3 ))
 735                 buffer[buflen-1] = 0;
 736         }
 737         for (p = buffer; *p; p++) if (*p == '/') *p = '\\';
 738         if (lastpart)
 739         {
 740             for (p = *lastpart = buffer; *p; p++)
 741                 if (*p == '\\') *lastpart = p + 1;
 742         }
 743     }
 744     return strlen(res) + 3;
 745 }
 746
 747