files/directory.c

   1 /*
   2  * DOS directories functions
   3  *
   4  * Copyright 1995 Alexandre Julliard
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 #include "config.h"
  22
  23 #include <ctype.h>
  24 #include <stdlib.h>
  25 #include <stdarg.h>
  26 #include <stdio.h>
  27 #include <string.h>
  28 #include <sys/types.h>
  29 #include <sys/stat.h>
  30 #ifdef HAVE_UNISTD_H
  31 # include <unistd.h>
  32 #endif
  33 #include <errno.h>
  34 #ifdef HAVE_SYS_ERRNO_H
  35 #include <sys/errno.h>
  36 #endif
  37
  38 #include "ntstatus.h"
  39 #include "windef.h"
  40 #include "winbase.h"
  41 #include "wine/winbase16.h"
  42 #include "wingdi.h"
  43 #include "wine/winuser16.h"
  44 #include "winerror.h"
  45 #include "winreg.h"
  46 #include "winternl.h"
  47 #include "wine/unicode.h"
  48 #include "drive.h"
  49 #include "file.h"
  50 #include "msdos.h"
  51 #include "wine/debug.h"
  52
  53 WINE_DEFAULT_DEBUG_CHANNEL(dosfs);
  54 WINE_DECLARE_DEBUG_CHANNEL(file);
  55
  56 static DOS_FULL_NAME DIR_Windows;
  57 static DOS_FULL_NAME DIR_System;
  58
  59 static const WCHAR wineW[] = {'w','i','n','e',0};
  60
  61 /***********************************************************************
  62  *           FILE_contains_pathW
  63  */
  64 inline static int FILE_contains_pathW (LPCWSTR name)
  65 {
  66     return ((*name && (name[1] == ':')) ||
  67             strchrW (name, '/') || strchrW (name, '\\'));
  68 }
  69
  70 /***********************************************************************
  71  *           DIR_GetPath
  72  *
  73  * Get a path name from the wine.ini file and make sure it is valid.
  74  */
  75 static int DIR_GetPath( HKEY hkey, LPCWSTR keyname, LPCWSTR defval, DOS_FULL_NAME *full_name,
  76                         LPWSTR longname, INT longname_len, BOOL warn )
  77 {
  78     UNICODE_STRING nameW;
  79     DWORD dummy;
  80     WCHAR tmp[MAX_PATHNAME_LEN];
  81     BY_HANDLE_FILE_INFORMATION info;
  82     const WCHAR *path = defval;
  83     const char *mess = "does not exist";
  84
  85     RtlInitUnicodeString( &nameW, keyname );
  86     if (hkey && !NtQueryValueKey( hkey, &nameW, KeyValuePartialInformation, tmp, sizeof(tmp), &dummy ))
  87         path = (WCHAR *)((KEY_VALUE_PARTIAL_INFORMATION *)tmp)->Data;
  88
  89     if (!DOSFS_GetFullName( path, TRUE, full_name ) ||
  90         (!FILE_Stat( full_name->long_name, &info, NULL ) && (mess=strerror(errno)))||
  91         (!(info.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) && (mess="not a directory")) ||
  92         (!(GetLongPathNameW(full_name->short_name, longname, longname_len))) )
  93     {
  94         if (warn)
  95         {
  96             MESSAGE("Invalid path %s for %s directory: %s.\n",
  97                     debugstr_w(path), debugstr_w(keyname), mess);
  98             MESSAGE("Perhaps you have not properly edited your Wine configuration file (%s/config)\n",
  99                     wine_get_config_dir());
 100         }
 101         return 0;
 102     }
 103     return 1;
 104 }
 105
 106
 107 /***********************************************************************
 108  *           DIR_Init
 109  */
 110 int DIR_Init(void)
 111 {
 112     OBJECT_ATTRIBUTES attr;
 113     UNICODE_STRING nameW;
 114     HKEY hkey;
 115     char path[MAX_PATHNAME_LEN];
 116     WCHAR longpath[MAX_PATHNAME_LEN];
 117     DOS_FULL_NAME tmp_dir, profile_dir;
 118     int drive;
 119     const char *cwd;
 120     static const WCHAR wineW[] = {'M','a','c','h','i','n','e','\\',
 121                                   'S','o','f','t','w','a','r','e','\\',
 122                                   'W','i','n','e','\\','W','i','n','e','\\',
 123                                   'C','o','n','f','i','g','\\','W','i','n','e',0};
 124     static const WCHAR windowsW[] = {'w','i','n','d','o','w','s',0};
 125     static const WCHAR systemW[] = {'s','y','s','t','e','m',0};
 126     static const WCHAR tempW[] = {'t','e','m','p',0};
 127     static const WCHAR profileW[] = {'p','r','o','f','i','l','e',0};
 128     static const WCHAR windows_dirW[] = {'c',':','\\','w','i','n','d','o','w','s',0};
 129     static const WCHAR system_dirW[] = {'c',':','\\','w','i','n','d','o','w','s','\\','s','y','s','t','e','m',0};
 130     static const WCHAR pathW[] = {'p','a','t','h',0};
 131     static const WCHAR path_dirW[] = {'c',':','\\','w','i','n','d','o','w','s',';',
 132                                       'c',':','\\','w','i','n','d','o','w','s','\\','s','y','s','t','e','m',0};
 133     static const WCHAR path_capsW[] = {'P','A','T','H',0};
 134     static const WCHAR temp_capsW[] = {'T','E','M','P',0};
 135     static const WCHAR tmp_capsW[] = {'T','M','P',0};
 136     static const WCHAR windirW[] = {'w','i','n','d','i','r',0};
 137     static const WCHAR winsysdirW[] = {'w','i','n','s','y','s','d','i','r',0};
 138     static const WCHAR userprofileW[] = {'U','S','E','R','P','R','O','F','I','L','E',0};
 139     static const WCHAR systemrootW[] = {'S','Y','S','T','E','M','R','O','O','T',0};
 140     static const WCHAR wcmdW[] = {'\\','w','c','m','d','.','e','x','e',0};
 141     static const WCHAR comspecW[] = {'C','O','M','S','P','E','C',0};
 142     static const WCHAR empty_strW[] = { 0 };
 143
 144     if (!getcwd( path, MAX_PATHNAME_LEN ))
 145     {
 146         perror( "Could not get current directory" );
 147         return 0;
 148     }
 149     cwd = path;
 150     if ((drive = DRIVE_FindDriveRoot( &cwd )) == -1)
 151     {
 152         MESSAGE("Warning: could not find wine config [Drive x] entry "
 153             "for current working directory %s; "
 154             "starting in windows directory.\n", cwd );
 155     }
 156     else
 157     {
 158         WCHAR szdrive[3]={drive+'A',':',0};
 159         MultiByteToWideChar(DRIVE_GetCodepage(drive), 0, cwd, -1, longpath, MAX_PATHNAME_LEN);
 160         DRIVE_SetCurrentDrive( drive );
 161         DRIVE_Chdir( drive, longpath );
 162         if(GetDriveTypeW(szdrive)==DRIVE_CDROM)
 163             chdir("/"); /* change to root directory so as not to lock cdroms */
 164     }
 165
 166     attr.Length = sizeof(attr);
 167     attr.RootDirectory = 0;
 168     attr.ObjectName = &nameW;
 169     attr.Attributes = 0;
 170     attr.SecurityDescriptor = NULL;
 171     attr.SecurityQualityOfService = NULL;
 172
 173     RtlInitUnicodeString( &nameW, wineW );
 174     if (NtCreateKey( &hkey, KEY_ALL_ACCESS, &attr, 0, NULL, 0, NULL )) hkey = 0;
 175
 176     if (!(DIR_GetPath( hkey, windowsW, windows_dirW, &DIR_Windows, longpath, MAX_PATHNAME_LEN, TRUE )) ||
 177         !(DIR_GetPath( hkey, systemW, system_dirW, &DIR_System, longpath, MAX_PATHNAME_LEN, TRUE )) ||
 178         !(DIR_GetPath( hkey, tempW, windows_dirW, &tmp_dir, longpath, MAX_PATHNAME_LEN, TRUE )))
 179     {
 180         if (hkey) NtClose( hkey );
 181         return 0;
 182     }
 183     if (-1 == access( tmp_dir.long_name, W_OK ))
 184     {
 185         if (errno==EACCES)
 186         {
 187                 MESSAGE("Warning: the temporary directory '%s' specified in your\n"
 188                         "configuration file (%s) is not writeable.\n",
 189                         tmp_dir.long_name, wine_get_config_dir() );
 190         }
 191         else
 192                 MESSAGE("Warning: access to temporary directory '%s' failed (%s).\n",
 193                     tmp_dir.long_name, strerror(errno));
 194     }
 195
 196     if (drive == -1)
 197     {
 198         drive = DIR_Windows.drive;
 199         DRIVE_SetCurrentDrive( drive );
 200         DRIVE_Chdir( drive, DIR_Windows.short_name + 2 );
 201     }
 202
 203     /* Set the environment variables */
 204
 205     /* set COMSPEC only if it doesn't exist already */
 206     if (!GetEnvironmentVariableW( comspecW, NULL, 0 ))
 207     {
 208         strcpyW( longpath, DIR_System.short_name );
 209         strcatW( longpath, wcmdW );
 210         SetEnvironmentVariableW( comspecW, longpath );
 211     }
 212
 213     /* set PATH only if not set already */
 214     if (!GetEnvironmentVariableW( path_capsW, NULL, 0 ))
 215     {
 216         WCHAR tmp[MAX_PATHNAME_LEN];
 217         DWORD dummy;
 218         const WCHAR *path = path_dirW;
 219
 220         RtlInitUnicodeString( &nameW, pathW );
 221         if (hkey && !NtQueryValueKey( hkey, &nameW, KeyValuePartialInformation,
 222                                       tmp, sizeof(tmp), &dummy ))
 223         {
 224             path = (WCHAR *)((KEY_VALUE_PARTIAL_INFORMATION *)tmp)->Data;
 225         }
 226
 227         if (strchrW(path, '/'))
 228         {
 229             MESSAGE("Fix your wine config (%s/config) to use DOS drive syntax in [wine] 'Path=' statement! (no '/' allowed)\n", wine_get_config_dir() );
 230             ExitProcess(1);
 231         }
 232         SetEnvironmentVariableW( path_capsW, path );
 233         TRACE("Path       = %s\n", debugstr_w(path) );
 234     }
 235
 236     SetEnvironmentVariableW( temp_capsW, tmp_dir.short_name );
 237     SetEnvironmentVariableW( tmp_capsW, tmp_dir.short_name );
 238     SetEnvironmentVariableW( windirW, DIR_Windows.short_name );
 239     SetEnvironmentVariableW( winsysdirW, DIR_System.short_name );
 240
 241     TRACE("WindowsDir = %s (%s)\n",
 242           debugstr_w(DIR_Windows.short_name), DIR_Windows.long_name );
 243     TRACE("SystemDir  = %s (%s)\n",
 244           debugstr_w(DIR_System.short_name), DIR_System.long_name );
 245     TRACE("TempDir    = %s (%s)\n",
 246           debugstr_w(tmp_dir.short_name), tmp_dir.long_name );
 247     TRACE("Cwd        = %c:\\%s\n",
 248           'A' + drive, debugstr_w(DRIVE_GetDosCwd(drive)) );
 249
 250     if (DIR_GetPath( hkey, profileW, empty_strW, &profile_dir, longpath, MAX_PATHNAME_LEN, FALSE ))
 251     {
 252         TRACE("USERPROFILE= %s\n", debugstr_w(longpath) );
 253         SetEnvironmentVariableW( userprofileW, longpath );
 254     }
 255
 256     TRACE("SYSTEMROOT = %s\n", debugstr_w(DIR_Windows.short_name) );
 257     SetEnvironmentVariableW( systemrootW, DIR_Windows.short_name );
 258     if (hkey) NtClose( hkey );
 259
 260     return 1;
 261 }
 262
 263
 264 /***********************************************************************
 265  *           GetTempPathA   (KERNEL32.@)
 266  */
 267 UINT WINAPI GetTempPathA( UINT count, LPSTR path )
 268 {
 269     WCHAR pathW[MAX_PATH];
 270     UINT ret;
 271
 272     ret = GetTempPathW(MAX_PATH, pathW);
 273
 274     if (!ret)
 275         return 0;
 276
 277     if (ret > MAX_PATH)
 278     {
 279         SetLastError(ERROR_FILENAME_EXCED_RANGE);
 280         return 0;
 281     }
 282
 283     ret = WideCharToMultiByte(CP_ACP, 0, pathW, -1, NULL, 0, NULL, NULL);
 284     if (ret <= count)
 285     {
 286         WideCharToMultiByte(CP_ACP, 0, pathW, -1, path, count, NULL, NULL);
 287         ret--; /* length without 0 */
 288     }
 289     return ret;
 290 }
 291
 292
 293 /***********************************************************************
 294  *           GetTempPathW   (KERNEL32.@)
 295  */
 296 UINT WINAPI GetTempPathW( UINT count, LPWSTR path )
 297 {
 298     static const WCHAR tmp[]  = { 'T', 'M', 'P', 0 };
 299     static const WCHAR temp[] = { 'T', 'E', 'M', 'P', 0 };
 300     WCHAR tmp_path[MAX_PATH];
 301     UINT ret;
 302
 303     TRACE("%u,%p\n", count, path);
 304
 305     if (!(ret = GetEnvironmentVariableW( tmp, tmp_path, MAX_PATH )))
 306         if (!(ret = GetEnvironmentVariableW( temp, tmp_path, MAX_PATH )))
 307             if (!(ret = GetCurrentDirectoryW( MAX_PATH, tmp_path )))
 308                 return 0;
 309
 310     if (ret > MAX_PATH)
 311     {
 312         SetLastError(ERROR_FILENAME_EXCED_RANGE);
 313         return 0;
 314     }
 315
 316     ret = GetFullPathNameW(tmp_path, MAX_PATH, tmp_path, NULL);
 317     if (!ret) return 0;
 318
 319     if (ret > MAX_PATH - 2)
 320     {
 321         SetLastError(ERROR_FILENAME_EXCED_RANGE);
 322         return 0;
 323     }
 324
 325     if (tmp_path[ret-1] != '\\')
 326     {
 327         tmp_path[ret++] = '\\';
 328         tmp_path[ret]   = '\0';
 329     }
 330
 331     ret++; /* add space for terminating 0 */
 332
 333     if (count)
 334     {
 335         lstrcpynW(path, tmp_path, count);
 336         if (count >= ret)
 337             ret--; /* return length without 0 */
 338         else if (count < 4)
 339             path[0] = 0; /* avoid returning ambiguous "X:" */
 340     }
 341
 342     TRACE("returning %u, %s\n", ret, debugstr_w(path));
 343     return ret;
 344 }
 345
 346
 347 /***********************************************************************
 348  *           DIR_GetWindowsUnixDir
 349  */
 350 UINT DIR_GetWindowsUnixDir( LPSTR path, UINT count )
 351 {
 352     if (path) lstrcpynA( path, DIR_Windows.long_name, count );
 353     return strlen( DIR_Windows.long_name );
 354 }
 355
 356
 357 /***********************************************************************
 358  *           DIR_GetSystemUnixDir
 359  */
 360 UINT DIR_GetSystemUnixDir( LPSTR path, UINT count )
 361 {
 362     if (path) lstrcpynA( path, DIR_System.long_name, count );
 363     return strlen( DIR_System.long_name );
 364 }
 365
 366
 367 /***********************************************************************
 368  *           GetTempDrive   (KERNEL.92)
 369  * A closer look at krnl386.exe shows what the SDK doesn't mention:
 370  *
 371  * returns:
 372  *   AL: driveletter
 373  *   AH: ':'            - yes, some kernel code even does stosw with
 374  *                            the returned AX.
 375  *   DX: 1 for success
 376  */
 377 UINT WINAPI GetTempDrive( BYTE ignored )
 378 {
 379     char *buffer;
 380     BYTE ret;
 381     UINT len = GetTempPathA( 0, NULL );
 382
 383     if (!(buffer = HeapAlloc( GetProcessHeap(), 0, len + 1 )) )
 384         ret = DRIVE_GetCurrentDrive() + 'A';
 385     else
 386     {
 387         /* FIXME: apparently Windows does something with the ignored byte */
 388         if (!GetTempPathA( len, buffer )) buffer[0] = 'C';
 389         ret = toupper(buffer[0]);
 390         HeapFree( GetProcessHeap(), 0, buffer );
 391     }
 392     return MAKELONG( ret | (':' << 8), 1 );
 393 }
 394
 395
 396 /***********************************************************************
 397  *           GetWindowsDirectory   (KERNEL.134)
 398  */
 399 UINT16 WINAPI GetWindowsDirectory16( LPSTR path, UINT16 count )
 400 {
 401     return (UINT16)GetWindowsDirectoryA( path, count );
 402 }
 403
 404
 405 /***********************************************************************
 406  *           GetWindowsDirectoryW   (KERNEL32.@)
 407  *
 408  * See comment for GetWindowsDirectoryA.
 409  */
 410 UINT WINAPI GetWindowsDirectoryW( LPWSTR path, UINT count )
 411 {
 412     UINT len = strlenW( DIR_Windows.short_name ) + 1;
 413     if (path && count >= len)
 414     {
 415         strcpyW( path, DIR_Windows.short_name );
 416         len--;
 417     }
 418     return len;
 419 }
 420
 421
 422 /***********************************************************************
 423  *           GetWindowsDirectoryA   (KERNEL32.@)
 424  *
 425  * Return value:
 426  * If buffer is large enough to hold full path and terminating '\0' character
 427  * function copies path to buffer and returns length of the path without '\0'.
 428  * Otherwise function returns required size including '\0' character and
 429  * does not touch the buffer.
 430  */
 431 UINT WINAPI GetWindowsDirectoryA( LPSTR path, UINT count )
 432 {
 433     UINT len = WideCharToMultiByte( CP_ACP, 0, DIR_Windows.short_name, -1, NULL, 0, NULL, NULL );
 434     if (path && count >= len)
 435     {
 436         WideCharToMultiByte( CP_ACP, 0, DIR_Windows.short_name, -1, path, count, NULL, NULL );
 437         len--;
 438     }
 439     return len;
 440 }
 441
 442
 443 /***********************************************************************
 444  *           GetSystemWindowsDirectoryA   (KERNEL32.@) W2K, TS4.0SP4
 445  */
 446 UINT WINAPI GetSystemWindowsDirectoryA( LPSTR path, UINT count )
 447 {
 448     return GetWindowsDirectoryA( path, count );
 449 }
 450
 451
 452 /***********************************************************************
 453  *           GetSystemWindowsDirectoryW   (KERNEL32.@) W2K, TS4.0SP4
 454  */
 455 UINT WINAPI GetSystemWindowsDirectoryW( LPWSTR path, UINT count )
 456 {
 457     return GetWindowsDirectoryW( path, count );
 458 }
 459
 460
 461 /***********************************************************************
 462  *           GetSystemDirectory   (KERNEL.135)
 463  */
 464 UINT16 WINAPI GetSystemDirectory16( LPSTR path, UINT16 count )
 465 {
 466     return (UINT16)GetSystemDirectoryA( path, count );
 467 }
 468
 469
 470 /***********************************************************************
 471  *           GetSystemDirectoryW   (KERNEL32.@)
 472  *
 473  * See comment for GetWindowsDirectoryA.
 474  */
 475 UINT WINAPI GetSystemDirectoryW( LPWSTR path, UINT count )
 476 {
 477     UINT len = strlenW( DIR_System.short_name ) + 1;
 478     if (path && count >= len)
 479     {
 480         strcpyW( path, DIR_System.short_name );
 481         len--;
 482     }
 483     return len;
 484 }
 485
 486
 487 /***********************************************************************
 488  *           GetSystemDirectoryA   (KERNEL32.@)
 489  *
 490  * See comment for GetWindowsDirectoryA.
 491  */
 492 UINT WINAPI GetSystemDirectoryA( LPSTR path, UINT count )
 493 {
 494     UINT len = WideCharToMultiByte( CP_ACP, 0, DIR_System.short_name, -1, NULL, 0, NULL, NULL );
 495     if (path && count >= len)
 496     {
 497         WideCharToMultiByte( CP_ACP, 0, DIR_System.short_name, -1, path, count, NULL, NULL );
 498         len--;
 499     }
 500     return len;
 501 }
 502
 503
 504 /***********************************************************************
 505  *           CreateDirectory   (KERNEL.144)
 506  */
 507 BOOL16 WINAPI CreateDirectory16( LPCSTR path, LPVOID dummy )
 508 {
 509     TRACE_(file)("(%s,%p)\n", path, dummy );
 510     return (BOOL16)CreateDirectoryA( path, NULL );
 511 }
 512
 513
 514 /***********************************************************************
 515  *           CreateDirectoryW   (KERNEL32.@)
 516  * RETURNS:
 517  *      TRUE : success
 518  *      FALSE : failure
 519  *              ERROR_DISK_FULL:        on full disk
 520  *              ERROR_ALREADY_EXISTS:   if directory name exists (even as file)
 521  *              ERROR_ACCESS_DENIED:    on permission problems
 522  *              ERROR_FILENAME_EXCED_RANGE: too long filename(s)
 523  */
 524 BOOL WINAPI CreateDirectoryW( LPCWSTR path,
 525                                   LPSECURITY_ATTRIBUTES lpsecattribs )
 526 {
 527     DOS_FULL_NAME full_name;
 528
 529     if (!path || !*path)
 530     {
 531         SetLastError(ERROR_PATH_NOT_FOUND);
 532         return FALSE;
 533     }
 534
 535     TRACE_(file)("(%s,%p)\n", debugstr_w(path), lpsecattribs );
 536
 537     if (DOSFS_GetDevice( path ))
 538     {
 539         TRACE_(file)("cannot use device %s!\n", debugstr_w(path));
 540         SetLastError( ERROR_ACCESS_DENIED );
 541         return FALSE;
 542     }
 543     if (!DOSFS_GetFullName( path, FALSE, &full_name )) return 0;
 544     if (mkdir( full_name.long_name, 0777 ) == -1) {
 545         WARN_(file)("Error '%s' trying to create directory '%s'\n", strerror(errno), full_name.long_name);
 546         /* the FILE_SetDosError() generated error codes don't match the
 547          * CreateDirectory ones for some errnos */
 548         switch (errno) {
 549         case EEXIST:
 550         {
 551             if (!strcmp(DRIVE_GetRoot(full_name.drive), full_name.long_name))
 552                 SetLastError(ERROR_ACCESS_DENIED);
 553             else
 554                 SetLastError(ERROR_ALREADY_EXISTS);
 555             break;
 556         }
 557         case ENOSPC: SetLastError(ERROR_DISK_FULL); break;
 558         default: FILE_SetDosError();break;
 559         }
 560         return FALSE;
 561     }
 562     return TRUE;
 563 }
 564
 565
 566 /***********************************************************************
 567  *           CreateDirectoryA   (KERNEL32.@)
 568  */
 569 BOOL WINAPI CreateDirectoryA( LPCSTR path,
 570                                   LPSECURITY_ATTRIBUTES lpsecattribs )
 571 {
 572     UNICODE_STRING pathW;
 573     BOOL ret = FALSE;
 574
 575     if (!path || !*path)
 576     {
 577         SetLastError(ERROR_PATH_NOT_FOUND);
 578         return FALSE;
 579     }
 580
 581     if (RtlCreateUnicodeStringFromAsciiz(&pathW, path))
 582     {
 583         ret = CreateDirectoryW(pathW.Buffer, lpsecattribs);
 584         RtlFreeUnicodeString(&pathW);
 585     }
 586     else
 587         SetLastError(ERROR_NOT_ENOUGH_MEMORY);
 588     return ret;
 589 }
 590
 591
 592 /***********************************************************************
 593  *           CreateDirectoryExA   (KERNEL32.@)
 594  */
 595 BOOL WINAPI CreateDirectoryExA( LPCSTR template, LPCSTR path,
 596                                     LPSECURITY_ATTRIBUTES lpsecattribs)
 597 {
 598     return CreateDirectoryA(path,lpsecattribs);
 599 }
 600
 601
 602 /***********************************************************************
 603  *           CreateDirectoryExW   (KERNEL32.@)
 604  */
 605 BOOL WINAPI CreateDirectoryExW( LPCWSTR template, LPCWSTR path,
 606                                     LPSECURITY_ATTRIBUTES lpsecattribs)
 607 {
 608     return CreateDirectoryW(path,lpsecattribs);
 609 }
 610
 611
 612 /***********************************************************************
 613  *           RemoveDirectory   (KERNEL.145)
 614  */
 615 BOOL16 WINAPI RemoveDirectory16( LPCSTR path )
 616 {
 617     return (BOOL16)RemoveDirectoryA( path );
 618 }
 619
 620
 621 /***********************************************************************
 622  *           RemoveDirectoryW   (KERNEL32.@)
 623  */
 624 BOOL WINAPI RemoveDirectoryW( LPCWSTR path )
 625 {
 626     DOS_FULL_NAME full_name;
 627
 628     if (!path)
 629     {
 630         SetLastError(ERROR_INVALID_PARAMETER);
 631         return FALSE;
 632     }
 633
 634     TRACE_(file)("%s\n", debugstr_w(path));
 635
 636     if (DOSFS_GetDevice( path ))
 637     {
 638         TRACE_(file)("cannot remove device %s!\n", debugstr_w(path));
 639         SetLastError( ERROR_FILE_NOT_FOUND );
 640         return FALSE;
 641     }
 642     if (!DOSFS_GetFullName( path, TRUE, &full_name )) return FALSE;
 643     if (rmdir( full_name.long_name ) == -1)
 644     {
 645         FILE_SetDosError();
 646         return FALSE;
 647     }
 648     return TRUE;
 649 }
 650
 651
 652 /***********************************************************************
 653  *           RemoveDirectoryA   (KERNEL32.@)
 654  */
 655 BOOL WINAPI RemoveDirectoryA( LPCSTR path )
 656 {
 657     UNICODE_STRING pathW;
 658     BOOL ret = FALSE;
 659
 660     if (!path)
 661     {
 662         SetLastError(ERROR_INVALID_PARAMETER);
 663         return FALSE;
 664     }
 665
 666     if (RtlCreateUnicodeStringFromAsciiz(&pathW, path))
 667     {
 668         ret = RemoveDirectoryW(pathW.Buffer);
 669         RtlFreeUnicodeString(&pathW);
 670     }
 671     else
 672         SetLastError(ERROR_NOT_ENOUGH_MEMORY);
 673     return ret;
 674 }
 675
 676
 677 /***********************************************************************
 678  *           DIR_TryPath
 679  *
 680  * Helper function for DIR_SearchPath.
 681  */
 682 static BOOL DIR_TryPath( const DOS_FULL_NAME *dir, LPCWSTR name,
 683                            DOS_FULL_NAME *full_name )
 684 {
 685     LPSTR p_l = full_name->long_name + strlen(dir->long_name) + 1;
 686     LPWSTR p_s = full_name->short_name + strlenW(dir->short_name) + 1;
 687
 688     if ((p_s >= full_name->short_name + sizeof(full_name->short_name)/sizeof(full_name->short_name[0]) - 14) ||
 689         (p_l >= full_name->long_name + sizeof(full_name->long_name) - 1))
 690     {
 691         SetLastError( ERROR_PATH_NOT_FOUND );
 692         return FALSE;
 693     }
 694     if (!DOSFS_FindUnixName( dir, name, p_l,
 695                    sizeof(full_name->long_name) - (p_l - full_name->long_name),
 696                    p_s, !(DRIVE_GetFlags(dir->drive) & DRIVE_CASE_SENSITIVE) ))
 697         return FALSE;
 698
 699     full_name->drive = dir->drive;
 700     strcpy( full_name->long_name, dir->long_name );
 701     p_l[-1] = '/';
 702     strcpyW( full_name->short_name, dir->short_name );
 703     p_s[-1] = '\\';
 704     return TRUE;
 705 }
 706
 707 static BOOL DIR_SearchSemicolonedPaths(LPCWSTR name, DOS_FULL_NAME *full_name, LPWSTR pathlist)
 708 {
 709     LPWSTR next, buffer = NULL;
 710     INT len = strlenW(name), newlen, currlen = 0;
 711     BOOL ret = FALSE;
 712
 713     next = pathlist;
 714     while (!ret && next)
 715     {
 716         static const WCHAR bkslashW[] = {'\\',0};
 717         LPWSTR cur = next;
 718         while (*cur == ';') cur++;
 719         if (!*cur) break;
 720         next = strchrW( cur, ';' );
 721         if (next) *next++ = '\0';
 722         newlen = strlenW(cur) + len + 2;
 723
 724         if (newlen > currlen)
 725         {
 726             if (!(buffer = HeapReAlloc( GetProcessHeap(), 0, buffer, newlen * sizeof(WCHAR))))
 727                 goto done;
 728             currlen = newlen;
 729         }
 730
 731         strcpyW( buffer, cur );
 732         strcatW( buffer, bkslashW );
 733         strcatW( buffer, name );
 734         ret = DOSFS_GetFullName( buffer, TRUE, full_name );
 735     }
 736 done:
 737     HeapFree( GetProcessHeap(), 0, buffer );
 738     return ret;
 739 }
 740
 741
 742 /***********************************************************************
 743  *           DIR_TryEnvironmentPath
 744  *
 745  * Helper function for DIR_SearchPath.
 746  * Search in the specified path, or in $PATH if NULL.
 747  */
 748 static BOOL DIR_TryEnvironmentPath( LPCWSTR name, DOS_FULL_NAME *full_name, LPCWSTR envpath )
 749 {
 750     LPWSTR path;
 751     BOOL ret = FALSE;
 752     DWORD size;
 753     static const WCHAR pathW[] = {'P','A','T','H',0};
 754
 755     size = envpath ? strlenW(envpath)+1 : GetEnvironmentVariableW( pathW, NULL, 0 );
 756     if (!size) return FALSE;
 757     if (!(path = HeapAlloc( GetProcessHeap(), 0, size * sizeof(WCHAR) ))) return FALSE;
 758     if (envpath) strcpyW( path, envpath );
 759     else if (!GetEnvironmentVariableW( pathW, path, size )) goto done;
 760
 761     ret = DIR_SearchSemicolonedPaths(name, full_name, path);
 762
 763 done:
 764     HeapFree( GetProcessHeap(), 0, path );
 765     return ret;
 766 }
 767
 768
 769 /***********************************************************************
 770  *           DIR_TryModulePath
 771  *
 772  * Helper function for DIR_SearchPath.
 773  */
 774 static BOOL DIR_TryModulePath( LPCWSTR name, DOS_FULL_NAME *full_name, BOOL win32 )
 775 {
 776     WCHAR bufferW[MAX_PATH];
 777     LPWSTR p;
 778
 779     if (!win32)
 780     {
 781         char buffer[OFS_MAXPATHNAME];
 782         if (!GetCurrentTask()) return FALSE;
 783         if (!GetModuleFileName16( GetCurrentTask(), buffer, sizeof(buffer) ))
 784             return FALSE;
 785         MultiByteToWideChar(CP_ACP, 0, buffer, -1, bufferW, MAX_PATH);
 786     } else {
 787         if (!GetModuleFileNameW( 0, bufferW, MAX_PATH ) )
 788             return FALSE;
 789     }
 790     if (!(p = strrchrW( bufferW, '\\' ))) return FALSE;
 791     if (MAX_PATH - (++p - bufferW) <= strlenW(name)) return FALSE;
 792     strcpyW( p, name );
 793     return DOSFS_GetFullName( bufferW, TRUE, full_name );
 794 }
 795
 796
 797 /***********************************************************************
 798  *           DIR_SearchPath
 799  *
 800  * Implementation of SearchPathA. 'win32' specifies whether the search
 801  * order is Win16 (module path last) or Win32 (module path first).
 802  *
 803  * FIXME: should return long path names.
 804  */
 805 DWORD DIR_SearchPath( LPCWSTR path, LPCWSTR name, LPCWSTR ext,
 806                       DOS_FULL_NAME *full_name, BOOL win32 )
 807 {
 808     LPCWSTR p;
 809     LPWSTR tmp = NULL;
 810     BOOL ret = TRUE;
 811
 812     /* First check the supplied parameters */
 813
 814     p = strrchrW( name, '.' );
 815     if (p && !strchrW( p, '/' ) && !strchrW( p, '\\' ))
 816         ext = NULL;  /* Ignore the specified extension */
 817     if (FILE_contains_pathW (name))
 818         path = NULL;  /* Ignore path if name already contains a path */
 819     if (path && !*path) path = NULL;  /* Ignore empty path */
 820
 821     /* Allocate a buffer for the file name and extension */
 822
 823     if (ext)
 824     {
 825         DWORD len = strlenW(name) + strlenW(ext);
 826         if (!(tmp = HeapAlloc( GetProcessHeap(), 0, (len + 1) * sizeof(WCHAR) )))
 827         {
 828             SetLastError( ERROR_OUTOFMEMORY );
 829             return 0;
 830         }
 831         strcpyW( tmp, name );
 832         strcatW( tmp, ext );
 833         name = tmp;
 834     }
 835
 836     /* If the name contains an explicit path, everything's easy */
 837
 838     if (FILE_contains_pathW(name))
 839     {
 840         ret = DOSFS_GetFullName( name, TRUE, full_name );
 841         goto done;
 842     }
 843
 844     /* Search in the specified path */
 845
 846     if (path)
 847     {
 848         ret = DIR_TryEnvironmentPath( name, full_name, path );
 849         goto done;
 850     }
 851
 852     /* Try the path of the current executable (for Win32 search order) */
 853
 854     if (win32 && DIR_TryModulePath( name, full_name, win32 )) goto done;
 855
 856     /* Try the current directory */
 857
 858     if (DOSFS_GetFullName( name, TRUE, full_name )) goto done;
 859
 860     /* Try the Windows system directory */
 861
 862     if (DIR_TryPath( &DIR_System, name, full_name ))
 863         goto done;
 864
 865     /* Try the Windows directory */
 866
 867     if (DIR_TryPath( &DIR_Windows, name, full_name ))
 868         goto done;
 869
 870     /* Try the path of the current executable (for Win16 search order) */
 871
 872     if (!win32 && DIR_TryModulePath( name, full_name, win32 )) goto done;
 873
 874     /* Try all directories in path */
 875
 876     ret = DIR_TryEnvironmentPath( name, full_name, NULL );
 877
 878 done:
 879     if (tmp) HeapFree( GetProcessHeap(), 0, tmp );
 880     return ret;
 881 }
 882
 883
 884 /***********************************************************************
 885  * SearchPathW [KERNEL32.@]
 886  *
 887  * Searches for a specified file in the search path.
 888  *
 889  * PARAMS
 890  *    path      [I] Path to search
 891  *    name      [I] Filename to search for.
 892  *    ext       [I] File extension to append to file name. The first
 893  *                  character must be a period. This parameter is
 894  *                  specified only if the filename given does not
 895  *                  contain an extension.
 896  *    buflen    [I] size of buffer, in characters
 897  *    buffer    [O] buffer for found filename
 898  *    lastpart  [O] address of pointer to last used character in
 899  *                  buffer (the final '\')
 900  *
 901  * RETURNS
 902  *    Success: length of string copied into buffer, not including
 903  *             terminating null character. If the filename found is
 904  *             longer than the length of the buffer, the length of the
 905  *             filename is returned.
 906  *    Failure: Zero
 907  *
 908  * NOTES
 909  *    If the file is not found, calls SetLastError(ERROR_FILE_NOT_FOUND)
 910  *    (tested on NT 4.0)
 911  */
 912 DWORD WINAPI SearchPathW( LPCWSTR path, LPCWSTR name, LPCWSTR ext, DWORD buflen,
 913                           LPWSTR buffer, LPWSTR *lastpart )
 914 {
 915     LPSTR res;
 916     DOS_FULL_NAME full_name;
 917
 918     if (!DIR_SearchPath( path, name, ext, &full_name, TRUE ))
 919     {
 920         SetLastError(ERROR_FILE_NOT_FOUND);
 921         return 0;
 922     }
 923
 924 TRACE("found %s %s\n", full_name.long_name, debugstr_w(full_name.short_name));
 925 TRACE("drive %c: root %s\n", 'A' + full_name.drive, DRIVE_GetRoot(full_name.drive));
 926
 927     lstrcpynW( buffer, full_name.short_name, buflen );
 928     res = full_name.long_name +
 929               strlen(DRIVE_GetRoot( full_name.drive ));
 930     while (*res == '/') res++;
 931     if (buflen)
 932     {
 933         LPWSTR p;
 934         if (buflen > 3)
 935         {
 936             MultiByteToWideChar(DRIVE_GetCodepage(full_name.drive), 0,
 937                                 res, -1, buffer + 3, buflen - 3);
 938             buffer[buflen - 1] = 0;
 939         }
 940         for (p = buffer; *p; p++) if (*p == '/') *p = '\\';
 941         if (lastpart) *lastpart = strrchrW( buffer, '\\' ) + 1;
 942     }
 943     TRACE("Returning %s\n", debugstr_w(buffer) );
 944     return strlenW(buffer);
 945 }
 946
 947
 948 /***********************************************************************
 949  *           SearchPathA   (KERNEL32.@)
 950  */
 951 DWORD WINAPI SearchPathA( LPCSTR path, LPCSTR name, LPCSTR ext,
 952                           DWORD buflen, LPSTR buffer, LPSTR *lastpart )
 953 {
 954     UNICODE_STRING pathW, nameW, extW;
 955     WCHAR bufferW[MAX_PATH];
 956     DWORD ret, retW;
 957
 958     if (path) RtlCreateUnicodeStringFromAsciiz(&pathW, path);
 959     else pathW.Buffer = NULL;
 960     if (name) RtlCreateUnicodeStringFromAsciiz(&nameW, name);
 961     else nameW.Buffer = NULL;
 962     if (ext) RtlCreateUnicodeStringFromAsciiz(&extW, ext);
 963     else extW.Buffer = NULL;
 964
 965     retW = SearchPathW(pathW.Buffer, nameW.Buffer, extW.Buffer, MAX_PATH, bufferW, NULL);
 966
 967     if (!retW)
 968         ret = 0;
 969     else if (retW > MAX_PATH)
 970     {
 971         SetLastError(ERROR_FILENAME_EXCED_RANGE);
 972         ret = 0;
 973     }
 974     else
 975     {
 976         ret = WideCharToMultiByte(CP_ACP, 0, bufferW, -1, NULL, 0, NULL, NULL);
 977         if (buflen >= ret)
 978         {
 979             WideCharToMultiByte(CP_ACP, 0, bufferW, -1, buffer, buflen, NULL, NULL);
 980             ret--; /* length without 0 */
 981             if (lastpart) *lastpart = strrchr(buffer, '\\') + 1;
 982         }
 983     }
 984
 985     RtlFreeUnicodeString(&pathW);
 986     RtlFreeUnicodeString(&nameW);
 987     RtlFreeUnicodeString(&extW);
 988     return ret;
 989 }