dlls/shell32/shellpath.c

   1 /*
   2  * Path Functions
   3  *
   4  * Copyright 1998, 1999, 2000 Juergen Schmied
   5  * Copyright 2004 Juan Lang
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  20  *
  21  * NOTES:
  22  *
  23  * Many of these functions are in SHLWAPI.DLL also
  24  *
  25  */
  26
  27 #define COBJMACROS
  28
  29 #include "config.h"
  30 #include "wine/port.h"
  31
  32 #include <stdio.h>
  33 #include <stdarg.h>
  34 #include <string.h>
  35 #include <ctype.h>
  36 #include "wine/debug.h"
  37 #include "windef.h"
  38 #include "winbase.h"
  39 #include "winnls.h"
  40 #include "winreg.h"
  41 #include "wingdi.h"
  42 #include "winuser.h"
  43
  44 #include "shlobj.h"
  45 #include "shtypes.h"
  46 #include "shresdef.h"
  47 #include "shell32_main.h"
  48 #include "undocshell.h"
  49 #include "pidl.h"
  50 #include "wine/unicode.h"
  51 #include "shlwapi.h"
  52 #include "xdg.h"
  53 #include "sddl.h"
  54 #include "knownfolders.h"
  55 #include "initguid.h"
  56 #include "shobjidl.h"
  57
  58 WINE_DEFAULT_DEBUG_CHANNEL(shell);
  59
  60 static const BOOL is_win64 = sizeof(void *) > sizeof(int);
  61
  62 /*
  63         ########## Combining and Constructing paths ##########
  64 */
  65
  66 /*************************************************************************
  67  * PathAppend           [SHELL32.36]
  68  */
  69 BOOL WINAPI PathAppendAW(
  70         LPVOID lpszPath1,
  71         LPCVOID lpszPath2)
  72 {
  73         if (SHELL_OsIsUnicode())
  74           return PathAppendW(lpszPath1, lpszPath2);
  75         return PathAppendA(lpszPath1, lpszPath2);
  76 }
  77
  78 /*************************************************************************
  79  * PathCombine   [SHELL32.37]
  80  */
  81 LPVOID WINAPI PathCombineAW(
  82         LPVOID szDest,
  83         LPCVOID lpszDir,
  84         LPCVOID lpszFile)
  85 {
  86         if (SHELL_OsIsUnicode())
  87           return PathCombineW( szDest, lpszDir, lpszFile );
  88         return PathCombineA( szDest, lpszDir, lpszFile );
  89 }
  90
  91 /*************************************************************************
  92  * PathAddBackslash             [SHELL32.32]
  93  */
  94 LPVOID WINAPI PathAddBackslashAW(LPVOID lpszPath)
  95 {
  96         if(SHELL_OsIsUnicode())
  97           return PathAddBackslashW(lpszPath);
  98         return PathAddBackslashA(lpszPath);
  99 }
 100
 101 /*************************************************************************
 102  * PathBuildRoot                [SHELL32.30]
 103  */
 104 LPVOID WINAPI PathBuildRootAW(LPVOID lpszPath, int drive)
 105 {
 106         if(SHELL_OsIsUnicode())
 107           return PathBuildRootW(lpszPath, drive);
 108         return PathBuildRootA(lpszPath, drive);
 109 }
 110
 111 /*
 112         Extracting Component Parts
 113 */
 114
 115 /*************************************************************************
 116  * PathFindFileName     [SHELL32.34]
 117  */
 118 LPVOID WINAPI PathFindFileNameAW(LPCVOID lpszPath)
 119 {
 120         if(SHELL_OsIsUnicode())
 121           return PathFindFileNameW(lpszPath);
 122         return PathFindFileNameA(lpszPath);
 123 }
 124
 125 /*************************************************************************
 126  * PathFindExtension            [SHELL32.31]
 127  */
 128 LPVOID WINAPI PathFindExtensionAW(LPCVOID lpszPath)
 129 {
 130         if (SHELL_OsIsUnicode())
 131           return PathFindExtensionW(lpszPath);
 132         return PathFindExtensionA(lpszPath);
 133
 134 }
 135
 136 /*************************************************************************
 137  * PathGetExtensionA            [internal]
 138  *
 139  * NOTES
 140  *  exported by ordinal
 141  *  return value points to the first char after the dot
 142  */
 143 static LPSTR PathGetExtensionA(LPCSTR lpszPath)
 144 {
 145         TRACE("(%s)\n",lpszPath);
 146
 147         lpszPath = PathFindExtensionA(lpszPath);
 148         return (LPSTR)(*lpszPath?(lpszPath+1):lpszPath);
 149 }
 150
 151 /*************************************************************************
 152  * PathGetExtensionW            [internal]
 153  */
 154 static LPWSTR PathGetExtensionW(LPCWSTR lpszPath)
 155 {
 156         TRACE("(%s)\n",debugstr_w(lpszPath));
 157
 158         lpszPath = PathFindExtensionW(lpszPath);
 159         return (LPWSTR)(*lpszPath?(lpszPath+1):lpszPath);
 160 }
 161
 162 /*************************************************************************
 163  * PathGetExtension             [SHELL32.158]
 164  */
 165 LPVOID WINAPI PathGetExtensionAW(LPCVOID lpszPath,DWORD void1, DWORD void2)
 166 {
 167         if (SHELL_OsIsUnicode())
 168           return PathGetExtensionW(lpszPath);
 169         return PathGetExtensionA(lpszPath);
 170 }
 171
 172 /*************************************************************************
 173  * PathGetArgs  [SHELL32.52]
 174  */
 175 LPVOID WINAPI PathGetArgsAW(LPVOID lpszPath)
 176 {
 177         if (SHELL_OsIsUnicode())
 178           return PathGetArgsW(lpszPath);
 179         return PathGetArgsA(lpszPath);
 180 }
 181
 182 /*************************************************************************
 183  * PathGetDriveNumber   [SHELL32.57]
 184  */
 185 int WINAPI PathGetDriveNumberAW(LPVOID lpszPath)
 186 {
 187         if (SHELL_OsIsUnicode())
 188           return PathGetDriveNumberW(lpszPath);
 189         return PathGetDriveNumberA(lpszPath);
 190 }
 191
 192 /*************************************************************************
 193  * PathRemoveFileSpec [SHELL32.35]
 194  */
 195 BOOL WINAPI PathRemoveFileSpecAW(LPVOID lpszPath)
 196 {
 197         if (SHELL_OsIsUnicode())
 198           return PathRemoveFileSpecW(lpszPath);
 199         return PathRemoveFileSpecA(lpszPath);
 200 }
 201
 202 /*************************************************************************
 203  * PathStripPath        [SHELL32.38]
 204  */
 205 void WINAPI PathStripPathAW(LPVOID lpszPath)
 206 {
 207         if (SHELL_OsIsUnicode())
 208             PathStripPathW(lpszPath);
 209         else
 210             PathStripPathA(lpszPath);
 211 }
 212
 213 /*************************************************************************
 214  * PathStripToRoot      [SHELL32.50]
 215  */
 216 BOOL WINAPI PathStripToRootAW(LPVOID lpszPath)
 217 {
 218         if (SHELL_OsIsUnicode())
 219           return PathStripToRootW(lpszPath);
 220         return PathStripToRootA(lpszPath);
 221 }
 222
 223 /*************************************************************************
 224  * PathRemoveArgs       [SHELL32.251]
 225  */
 226 void WINAPI PathRemoveArgsAW(LPVOID lpszPath)
 227 {
 228         if (SHELL_OsIsUnicode())
 229             PathRemoveArgsW(lpszPath);
 230         else
 231             PathRemoveArgsA(lpszPath);
 232 }
 233
 234 /*************************************************************************
 235  * PathRemoveExtension  [SHELL32.250]
 236  */
 237 void WINAPI PathRemoveExtensionAW(LPVOID lpszPath)
 238 {
 239         if (SHELL_OsIsUnicode())
 240             PathRemoveExtensionW(lpszPath);
 241         else
 242             PathRemoveExtensionA(lpszPath);
 243 }
 244
 245
 246 /*
 247         Path Manipulations
 248 */
 249
 250 /*************************************************************************
 251  * PathGetShortPathA [internal]
 252  */
 253 static void PathGetShortPathA(LPSTR pszPath)
 254 {
 255         CHAR path[MAX_PATH];
 256
 257         TRACE("%s\n", pszPath);
 258
 259         if (GetShortPathNameA(pszPath, path, MAX_PATH))
 260         {
 261           lstrcpyA(pszPath, path);
 262         }
 263 }
 264
 265 /*************************************************************************
 266  * PathGetShortPathW [internal]
 267  */
 268 static void PathGetShortPathW(LPWSTR pszPath)
 269 {
 270         WCHAR path[MAX_PATH];
 271
 272         TRACE("%s\n", debugstr_w(pszPath));
 273
 274         if (GetShortPathNameW(pszPath, path, MAX_PATH))
 275         {
 276           lstrcpyW(pszPath, path);
 277         }
 278 }
 279
 280 /*************************************************************************
 281  * PathGetShortPath [SHELL32.92]
 282  */
 283 VOID WINAPI PathGetShortPathAW(LPVOID pszPath)
 284 {
 285         if(SHELL_OsIsUnicode())
 286           PathGetShortPathW(pszPath);
 287         PathGetShortPathA(pszPath);
 288 }
 289
 290 /*************************************************************************
 291  * PathRemoveBlanks [SHELL32.33]
 292  */
 293 void WINAPI PathRemoveBlanksAW(LPVOID str)
 294 {
 295         if(SHELL_OsIsUnicode())
 296             PathRemoveBlanksW(str);
 297         else
 298             PathRemoveBlanksA(str);
 299 }
 300
 301 /*************************************************************************
 302  * PathQuoteSpaces [SHELL32.55]
 303  */
 304 VOID WINAPI PathQuoteSpacesAW (LPVOID lpszPath)
 305 {
 306         if(SHELL_OsIsUnicode())
 307             PathQuoteSpacesW(lpszPath);
 308         else
 309             PathQuoteSpacesA(lpszPath);
 310 }
 311
 312 /*************************************************************************
 313  * PathUnquoteSpaces [SHELL32.56]
 314  */
 315 VOID WINAPI PathUnquoteSpacesAW(LPVOID str)
 316 {
 317         if(SHELL_OsIsUnicode())
 318           PathUnquoteSpacesW(str);
 319         else
 320           PathUnquoteSpacesA(str);
 321 }
 322
 323 /*************************************************************************
 324  * PathParseIconLocation        [SHELL32.249]
 325  */
 326 int WINAPI PathParseIconLocationAW (LPVOID lpszPath)
 327 {
 328         if(SHELL_OsIsUnicode())
 329           return PathParseIconLocationW(lpszPath);
 330         return PathParseIconLocationA(lpszPath);
 331 }
 332
 333 /*
 334         ########## Path Testing ##########
 335 */
 336 /*************************************************************************
 337  * PathIsUNC            [SHELL32.39]
 338  */
 339 BOOL WINAPI PathIsUNCAW (LPCVOID lpszPath)
 340 {
 341         if (SHELL_OsIsUnicode())
 342           return PathIsUNCW( lpszPath );
 343         return PathIsUNCA( lpszPath );
 344 }
 345
 346 /*************************************************************************
 347  *  PathIsRelative      [SHELL32.40]
 348  */
 349 BOOL WINAPI PathIsRelativeAW (LPCVOID lpszPath)
 350 {
 351         if (SHELL_OsIsUnicode())
 352           return PathIsRelativeW( lpszPath );
 353         return PathIsRelativeA( lpszPath );
 354 }
 355
 356 /*************************************************************************
 357  * PathIsRoot           [SHELL32.29]
 358  */
 359 BOOL WINAPI PathIsRootAW(LPCVOID lpszPath)
 360 {
 361         if (SHELL_OsIsUnicode())
 362           return PathIsRootW(lpszPath);
 363         return PathIsRootA(lpszPath);
 364 }
 365
 366 /*************************************************************************
 367  *  PathIsExeA          [internal]
 368  */
 369 static BOOL PathIsExeA (LPCSTR lpszPath)
 370 {
 371         LPCSTR lpszExtension = PathGetExtensionA(lpszPath);
 372         int i;
 373         static const char * const lpszExtensions[] =
 374             {"exe", "com", "pif", "cmd", "bat", "scf", "scr", NULL };
 375
 376         TRACE("path=%s\n",lpszPath);
 377
 378         for(i=0; lpszExtensions[i]; i++)
 379           if (!lstrcmpiA(lpszExtension,lpszExtensions[i])) return TRUE;
 380
 381         return FALSE;
 382 }
 383
 384 /*************************************************************************
 385  *  PathIsExeW          [internal]
 386  */
 387 static BOOL PathIsExeW (LPCWSTR lpszPath)
 388 {
 389         LPCWSTR lpszExtension = PathGetExtensionW(lpszPath);
 390         int i;
 391         static const WCHAR lpszExtensions[][4] =
 392             {{'e','x','e','\0'}, {'c','o','m','\0'}, {'p','i','f','\0'},
 393              {'c','m','d','\0'}, {'b','a','t','\0'}, {'s','c','f','\0'},
 394              {'s','c','r','\0'}, {'\0'} };
 395
 396         TRACE("path=%s\n",debugstr_w(lpszPath));
 397
 398         for(i=0; lpszExtensions[i][0]; i++)
 399           if (!strcmpiW(lpszExtension,lpszExtensions[i])) return TRUE;
 400
 401         return FALSE;
 402 }
 403
 404 /*************************************************************************
 405  *  PathIsExe           [SHELL32.43]
 406  */
 407 BOOL WINAPI PathIsExeAW (LPCVOID path)
 408 {
 409         if (SHELL_OsIsUnicode())
 410           return PathIsExeW (path);
 411         return PathIsExeA(path);
 412 }
 413
 414 /*************************************************************************
 415  * PathIsDirectory      [SHELL32.159]
 416  */
 417 BOOL WINAPI PathIsDirectoryAW (LPCVOID lpszPath)
 418 {
 419         if (SHELL_OsIsUnicode())
 420           return PathIsDirectoryW (lpszPath);
 421         return PathIsDirectoryA (lpszPath);
 422 }
 423
 424 /*************************************************************************
 425  * PathFileExists       [SHELL32.45]
 426  */
 427 BOOL WINAPI PathFileExistsAW (LPCVOID lpszPath)
 428 {
 429         if (SHELL_OsIsUnicode())
 430           return PathFileExistsW (lpszPath);
 431         return PathFileExistsA (lpszPath);
 432 }
 433
 434 /*************************************************************************
 435  * PathMatchSpec        [SHELL32.46]
 436  */
 437 BOOL WINAPI PathMatchSpecAW(LPVOID name, LPVOID mask)
 438 {
 439         if (SHELL_OsIsUnicode())
 440           return PathMatchSpecW( name, mask );
 441         return PathMatchSpecA( name, mask );
 442 }
 443
 444 /*************************************************************************
 445  * PathIsSameRoot       [SHELL32.650]
 446  */
 447 BOOL WINAPI PathIsSameRootAW(LPCVOID lpszPath1, LPCVOID lpszPath2)
 448 {
 449         if (SHELL_OsIsUnicode())
 450           return PathIsSameRootW(lpszPath1, lpszPath2);
 451         return PathIsSameRootA(lpszPath1, lpszPath2);
 452 }
 453
 454 /*************************************************************************
 455  * IsLFNDriveA          [SHELL32.41]
 456  */
 457 BOOL WINAPI IsLFNDriveA(LPCSTR lpszPath)
 458 {
 459     DWORD       fnlen;
 460
 461     if (!GetVolumeInformationA(lpszPath, NULL, 0, NULL, &fnlen, NULL, NULL, 0))
 462         return FALSE;
 463     return fnlen > 12;
 464 }
 465
 466 /*************************************************************************
 467  * IsLFNDriveW          [SHELL32.42]
 468  */
 469 BOOL WINAPI IsLFNDriveW(LPCWSTR lpszPath)
 470 {
 471     DWORD       fnlen;
 472
 473     if (!GetVolumeInformationW(lpszPath, NULL, 0, NULL, &fnlen, NULL, NULL, 0))
 474         return FALSE;
 475     return fnlen > 12;
 476 }
 477
 478 /*************************************************************************
 479  * IsLFNDrive           [SHELL32.119]
 480  */
 481 BOOL WINAPI IsLFNDriveAW(LPCVOID lpszPath)
 482 {
 483         if (SHELL_OsIsUnicode())
 484           return IsLFNDriveW(lpszPath);
 485         return IsLFNDriveA(lpszPath);
 486 }
 487
 488 /*
 489         ########## Creating Something Unique ##########
 490 */
 491 /*************************************************************************
 492  * PathMakeUniqueNameA  [internal]
 493  */
 494 static BOOL PathMakeUniqueNameA(
 495         LPSTR lpszBuffer,
 496         DWORD dwBuffSize,
 497         LPCSTR lpszShortName,
 498         LPCSTR lpszLongName,
 499         LPCSTR lpszPathName)
 500 {
 501         FIXME("%p %u %s %s %s stub\n",
 502          lpszBuffer, dwBuffSize, debugstr_a(lpszShortName),
 503          debugstr_a(lpszLongName), debugstr_a(lpszPathName));
 504         return TRUE;
 505 }
 506
 507 /*************************************************************************
 508  * PathMakeUniqueNameW  [internal]
 509  */
 510 static BOOL PathMakeUniqueNameW(
 511         LPWSTR lpszBuffer,
 512         DWORD dwBuffSize,
 513         LPCWSTR lpszShortName,
 514         LPCWSTR lpszLongName,
 515         LPCWSTR lpszPathName)
 516 {
 517         FIXME("%p %u %s %s %s stub\n",
 518          lpszBuffer, dwBuffSize, debugstr_w(lpszShortName),
 519          debugstr_w(lpszLongName), debugstr_w(lpszPathName));
 520         return TRUE;
 521 }
 522
 523 /*************************************************************************
 524  * PathMakeUniqueName   [SHELL32.47]
 525  */
 526 BOOL WINAPI PathMakeUniqueNameAW(
 527         LPVOID lpszBuffer,
 528         DWORD dwBuffSize,
 529         LPCVOID lpszShortName,
 530         LPCVOID lpszLongName,
 531         LPCVOID lpszPathName)
 532 {
 533         if (SHELL_OsIsUnicode())
 534           return PathMakeUniqueNameW(lpszBuffer,dwBuffSize, lpszShortName,lpszLongName,lpszPathName);
 535         return PathMakeUniqueNameA(lpszBuffer,dwBuffSize, lpszShortName,lpszLongName,lpszPathName);
 536 }
 537
 538 /*************************************************************************
 539  * PathYetAnotherMakeUniqueName [SHELL32.75]
 540  *
 541  * NOTES
 542  *     exported by ordinal
 543  */
 544 BOOL WINAPI PathYetAnotherMakeUniqueName(
 545         LPWSTR lpszBuffer,
 546         LPCWSTR lpszPathName,
 547         LPCWSTR lpszShortName,
 548         LPCWSTR lpszLongName)
 549 {
 550     FIXME("(%p, %s, %s ,%s):stub.\n",
 551           lpszBuffer, debugstr_w(lpszPathName), debugstr_w(lpszShortName), debugstr_w(lpszLongName));
 552     return TRUE;
 553 }
 554
 555
 556 /*
 557         ########## cleaning and resolving paths ##########
 558  */
 559
 560 /*************************************************************************
 561  * PathFindOnPath       [SHELL32.145]
 562  */
 563 BOOL WINAPI PathFindOnPathAW(LPVOID sFile, LPCVOID *sOtherDirs)
 564 {
 565         if (SHELL_OsIsUnicode())
 566           return PathFindOnPathW(sFile, (LPCWSTR *)sOtherDirs);
 567         return PathFindOnPathA(sFile, (LPCSTR *)sOtherDirs);
 568 }
 569
 570 /*************************************************************************
 571  * PathCleanupSpec      [SHELL32.171]
 572  *
 573  * lpszFile is changed in place.
 574  */
 575 int WINAPI PathCleanupSpec( LPCWSTR lpszPathW, LPWSTR lpszFileW )
 576 {
 577     int i = 0;
 578     DWORD rc = 0;
 579     int length = 0;
 580
 581     if (SHELL_OsIsUnicode())
 582     {
 583         LPWSTR p = lpszFileW;
 584
 585         TRACE("Cleanup %s\n",debugstr_w(lpszFileW));
 586
 587         if (lpszPathW)
 588             length = strlenW(lpszPathW);
 589
 590         while (*p)
 591         {
 592             int gct = PathGetCharTypeW(*p);
 593             if (gct == GCT_INVALID || gct == GCT_WILD || gct == GCT_SEPARATOR)
 594             {
 595                 lpszFileW[i]='-';
 596                 rc |= PCS_REPLACEDCHAR;
 597             }
 598             else
 599                 lpszFileW[i]=*p;
 600             i++;
 601             p++;
 602             if (length + i == MAX_PATH)
 603             {
 604                 rc |= PCS_FATAL | PCS_PATHTOOLONG;
 605                 break;
 606             }
 607         }
 608         lpszFileW[i]=0;
 609     }
 610     else
 611     {
 612         LPSTR lpszFileA = (LPSTR)lpszFileW;
 613         LPCSTR lpszPathA = (LPCSTR)lpszPathW;
 614         LPSTR p = lpszFileA;
 615
 616         TRACE("Cleanup %s\n",debugstr_a(lpszFileA));
 617
 618         if (lpszPathA)
 619             length = strlen(lpszPathA);
 620
 621         while (*p)
 622         {
 623             int gct = PathGetCharTypeA(*p);
 624             if (gct == GCT_INVALID || gct == GCT_WILD || gct == GCT_SEPARATOR)
 625             {
 626                 lpszFileA[i]='-';
 627                 rc |= PCS_REPLACEDCHAR;
 628             }
 629             else
 630                 lpszFileA[i]=*p;
 631             i++;
 632             p++;
 633             if (length + i == MAX_PATH)
 634             {
 635                 rc |= PCS_FATAL | PCS_PATHTOOLONG;
 636                 break;
 637             }
 638         }
 639         lpszFileA[i]=0;
 640     }
 641     return rc;
 642 }
 643
 644 /*************************************************************************
 645  * PathQualifyA         [SHELL32]
 646  */
 647 static BOOL PathQualifyA(LPCSTR pszPath)
 648 {
 649         FIXME("%s\n",pszPath);
 650         return 0;
 651 }
 652
 653 /*************************************************************************
 654  * PathQualifyW         [SHELL32]
 655  */
 656 static BOOL PathQualifyW(LPCWSTR pszPath)
 657 {
 658         FIXME("%s\n",debugstr_w(pszPath));
 659         return 0;
 660 }
 661
 662 /*************************************************************************
 663  * PathQualify  [SHELL32.49]
 664  */
 665 BOOL WINAPI PathQualifyAW(LPCVOID pszPath)
 666 {
 667         if (SHELL_OsIsUnicode())
 668           return PathQualifyW(pszPath);
 669         return PathQualifyA(pszPath);
 670 }
 671
 672 static BOOL PathResolveA(LPSTR path, LPCSTR *paths, DWORD flags)
 673 {
 674     FIXME("(%s,%p,0x%08x),stub!\n", debugstr_a(path), paths, flags);
 675     return FALSE;
 676 }
 677
 678 static BOOL PathResolveW(LPWSTR path, LPCWSTR *paths, DWORD flags)
 679 {
 680     FIXME("(%s,%p,0x%08x),stub!\n", debugstr_w(path), paths, flags);
 681     return FALSE;
 682 }
 683
 684 /*************************************************************************
 685  * PathResolve [SHELL32.51]
 686  */
 687 BOOL WINAPI PathResolveAW(LPVOID path, LPCVOID *paths, DWORD flags)
 688 {
 689     if (SHELL_OsIsUnicode())
 690         return PathResolveW(path, (LPCWSTR*)paths, flags);
 691     else
 692         return PathResolveA(path, (LPCSTR*)paths, flags);
 693 }
 694
 695 /*************************************************************************
 696 *       PathProcessCommandA
 697 */
 698 static LONG PathProcessCommandA (
 699         LPCSTR lpszPath,
 700         LPSTR lpszBuff,
 701         DWORD dwBuffSize,
 702         DWORD dwFlags)
 703 {
 704         FIXME("%s %p 0x%04x 0x%04x stub\n",
 705         lpszPath, lpszBuff, dwBuffSize, dwFlags);
 706         if(!lpszPath) return -1;
 707         if(lpszBuff) strcpy(lpszBuff, lpszPath);
 708         return strlen(lpszPath);
 709 }
 710
 711 /*************************************************************************
 712 *       PathProcessCommandW
 713 */
 714 static LONG PathProcessCommandW (
 715         LPCWSTR lpszPath,
 716         LPWSTR lpszBuff,
 717         DWORD dwBuffSize,
 718         DWORD dwFlags)
 719 {
 720         FIXME("(%s, %p, 0x%04x, 0x%04x) stub\n",
 721         debugstr_w(lpszPath), lpszBuff, dwBuffSize, dwFlags);
 722         if(!lpszPath) return -1;
 723         if(lpszBuff) strcpyW(lpszBuff, lpszPath);
 724         return strlenW(lpszPath);
 725 }
 726
 727 /*************************************************************************
 728 *       PathProcessCommand (SHELL32.653)
 729 */
 730 LONG WINAPI PathProcessCommandAW (
 731         LPCVOID lpszPath,
 732         LPVOID lpszBuff,
 733         DWORD dwBuffSize,
 734         DWORD dwFlags)
 735 {
 736         if (SHELL_OsIsUnicode())
 737           return PathProcessCommandW(lpszPath, lpszBuff, dwBuffSize, dwFlags);
 738         return PathProcessCommandA(lpszPath, lpszBuff, dwBuffSize, dwFlags);
 739 }
 740
 741 /*
 742         ########## special ##########
 743 */
 744
 745 /*************************************************************************
 746  * PathSetDlgItemPath (SHELL32.48)
 747  */
 748 VOID WINAPI PathSetDlgItemPathAW(HWND hDlg, int id, LPCVOID pszPath)
 749 {
 750         if (SHELL_OsIsUnicode())
 751             PathSetDlgItemPathW(hDlg, id, pszPath);
 752         else
 753             PathSetDlgItemPathA(hDlg, id, pszPath);
 754 }
 755
 756 static const WCHAR szCurrentVersion[] = {'S','o','f','t','w','a','r','e','\\','M','i','c','r','o','s','o','f','t','\\','W','i','n','d','o','w','s','\\','C','u','r','r','e','n','t','V','e','r','s','i','o','n','\0'};
 757 static const WCHAR Administrative_ToolsW[] = {'A','d','m','i','n','i','s','t','r','a','t','i','v','e',' ','T','o','o','l','s','\0'};
 758 static const WCHAR AppDataW[] = {'A','p','p','D','a','t','a','\0'};
 759 static const WCHAR AppData_LocalLowW[] = {'A','p','p','D','a','t','a','\\','L','o','c','a','l','L','o','w','\0'};
 760 static const WCHAR Application_DataW[] = {'A','p','p','l','i','c','a','t','i','o','n',' ','D','a','t','a','\0'};
 761 static const WCHAR CacheW[] = {'C','a','c','h','e','\0'};
 762 static const WCHAR CD_BurningW[] = {'C','D',' ','B','u','r','n','i','n','g','\0'};
 763 static const WCHAR Common_Administrative_ToolsW[] = {'C','o','m','m','o','n',' ','A','d','m','i','n','i','s','t','r','a','t','i','v','e',' ','T','o','o','l','s','\0'};
 764 static const WCHAR Common_AppDataW[] = {'C','o','m','m','o','n',' ','A','p','p','D','a','t','a','\0'};
 765 static const WCHAR Common_DesktopW[] = {'C','o','m','m','o','n',' ','D','e','s','k','t','o','p','\0'};
 766 static const WCHAR Common_DocumentsW[] = {'C','o','m','m','o','n',' ','D','o','c','u','m','e','n','t','s','\0'};
 767 static const WCHAR Common_FavoritesW[] = {'C','o','m','m','o','n',' ','F','a','v','o','r','i','t','e','s','\0'};
 768 static const WCHAR CommonFilesDirW[] = {'C','o','m','m','o','n','F','i','l','e','s','D','i','r','\0'};
 769 static const WCHAR CommonFilesDirX86W[] = {'C','o','m','m','o','n','F','i','l','e','s','D','i','r',' ','(','x','8','6',')','\0'};
 770 static const WCHAR CommonMusicW[] = {'C','o','m','m','o','n','M','u','s','i','c','\0'};
 771 static const WCHAR CommonPicturesW[] = {'C','o','m','m','o','n','P','i','c','t','u','r','e','s','\0'};
 772 static const WCHAR Common_ProgramsW[] = {'C','o','m','m','o','n',' ','P','r','o','g','r','a','m','s','\0'};
 773 static const WCHAR Common_StartUpW[] = {'C','o','m','m','o','n',' ','S','t','a','r','t','U','p','\0'};
 774 static const WCHAR Common_Start_MenuW[] = {'C','o','m','m','o','n',' ','S','t','a','r','t',' ','M','e','n','u','\0'};
 775 static const WCHAR Common_TemplatesW[] = {'C','o','m','m','o','n',' ','T','e','m','p','l','a','t','e','s','\0'};
 776 static const WCHAR CommonVideoW[] = {'C','o','m','m','o','n','V','i','d','e','o','\0'};
 777 static const WCHAR ContactsW[] = {'C','o','n','t','a','c','t','s','\0'};
 778 static const WCHAR CookiesW[] = {'C','o','o','k','i','e','s','\0'};
 779 static const WCHAR DesktopW[] = {'D','e','s','k','t','o','p','\0'};
 780 static const WCHAR DocumentsW[] = {'D','o','c','u','m','e','n','t','s','\0'};
 781 static const WCHAR DownloadsW[] = {'D','o','w','n','l','o','a','d','s','\0'};
 782 static const WCHAR FavoritesW[] = {'F','a','v','o','r','i','t','e','s','\0'};
 783 static const WCHAR FontsW[] = {'F','o','n','t','s','\0'};
 784 static const WCHAR HistoryW[] = {'H','i','s','t','o','r','y','\0'};
 785 static const WCHAR LinksW[] = {'L','i','n','k','s','\0'};
 786 static const WCHAR Local_AppDataW[] = {'L','o','c','a','l',' ','A','p','p','D','a','t','a','\0'};
 787 static const WCHAR Local_Settings_Application_DataW[] = {'L','o','c','a','l',' ','S','e','t','t','i','n','g','s','\\','A','p','p','l','i','c','a','t','i','o','n',' ','D','a','t','a','\0'};
 788 static const WCHAR Local_Settings_CD_BurningW[] = {'L','o','c','a','l',' ','S','e','t','t','i','n','g','s','\\','A','p','p','l','i','c','a','t','i','o','n',' ','D','a','t','a','\\','M','i','c','r','o','s','o','f','t','\\','C','D',' ','B','u','r','n','i','n','g','\0'};
 789 static const WCHAR Local_Settings_HistoryW[] = {'L','o','c','a','l',' ','S','e','t','t','i','n','g','s','\\','H','i','s','t','o','r','y','\0'};
 790 static const WCHAR Local_Settings_Temporary_Internet_FilesW[] = {'L','o','c','a','l',' ','S','e','t','t','i','n','g','s','\\','T','e','m','p','o','r','a','r','y',' ','I','n','t','e','r','n','e','t',' ','F','i','l','e','s','\0'};
 791 static const WCHAR Microsoft_Windows_GameExplorerW[] = {'M','i','c','r','o','s','o','f','t','\\','W','i','n','d','o','w','s','\\','G','a','m','e','E','x','p','l','o','r','e','r','\0'};
 792 static const WCHAR Microsoft_Windows_LibrariesW[] = {'M','i','c','r','o','s','o','f','t','\\','W','i','n','d','o','w','s','\\','L','i','b','r','a','r','i','e','s','\0'};
 793 static const WCHAR Microsoft_Windows_RingtonesW[] = {'M','i','c','r','o','s','o','f','t','\\','W','i','n','d','o','w','s','\\','R','i','n','g','t','o','n','e','s','\0'};
 794 static const WCHAR MusicW[] = {'M','u','s','i','c','\0'};
 795 static const WCHAR Music_PlaylistsW[] = {'M','u','s','i','c','\\','P','l','a','y','l','i','s','t','s','\0'};
 796 static const WCHAR Music_Sample_MusicW[] = {'M','u','s','i','c','\\','S','a','m','p','l','e',' ','M','u','s','i','c','\0'};
 797 static const WCHAR Music_Sample_PlaylistsW[] = {'M','u','s','i','c','\\','S','a','m','p','l','e',' ','P','l','a','y','l','i','s','t','s','\0'};
 798 static const WCHAR My_DocumentsW[] = {'M','y',' ','D','o','c','u','m','e','n','t','s','\0'};
 799 static const WCHAR My_MusicW[] = {'M','y',' ','M','u','s','i','c','\0'};
 800 static const WCHAR My_PicturesW[] = {'M','y',' ','P','i','c','t','u','r','e','s','\0'};
 801 static const WCHAR My_VideosW[] = {'M','y',' ','V','i','d','e','o','s','\0'};
 802 static const WCHAR NetHoodW[] = {'N','e','t','H','o','o','d','\0'};
 803 static const WCHAR OEM_LinksW[] = {'O','E','M',' ','L','i','n','k','s','\0'};
 804 static const WCHAR PersonalW[] = {'P','e','r','s','o','n','a','l','\0'};
 805 static const WCHAR PicturesW[] = {'P','i','c','t','u','r','e','s','\0'};
 806 static const WCHAR Pictures_Sample_PicturesW[] = {'P','i','c','t','u','r','e','s','\\','S','a','m','p','l','e',' ','P','i','c','t','u','r','e','s','\0'};
 807 static const WCHAR Pictures_Slide_ShowsW[] = {'P','i','c','t','u','r','e','s','\\','S','l','i','d','e',' ','S','h','o','w','s','\0'};
 808 static const WCHAR PrintHoodW[] = {'P','r','i','n','t','H','o','o','d','\0'};
 809 static const WCHAR Program_FilesW[] = {'P','r','o','g','r','a','m',' ','F','i','l','e','s','\0'};
 810 static const WCHAR Program_Files_Common_FilesW[] = {'P','r','o','g','r','a','m',' ','F','i','l','e','s','\\','C','o','m','m','o','n',' ','F','i','l','e','s','\0'};
 811 static const WCHAR Program_Files_x86W[] = {'P','r','o','g','r','a','m',' ','F','i','l','e','s',' ','(','x','8','6',')','\0'};
 812 static const WCHAR Program_Files_x86_Common_FilesW[] = {'P','r','o','g','r','a','m',' ','F','i','l','e','s',' ','(','x','8','6',')','\\','C','o','m','m','o','n',' ','F','i','l','e','s','\0'};
 813 static const WCHAR ProgramFilesDirW[] = {'P','r','o','g','r','a','m','F','i','l','e','s','D','i','r','\0'};
 814 static const WCHAR ProgramFilesDirX86W[] = {'P','r','o','g','r','a','m','F','i','l','e','s','D','i','r',' ','(','x','8','6',')','\0'};
 815 static const WCHAR ProgramsW[] = {'P','r','o','g','r','a','m','s','\0'};
 816 static const WCHAR RecentW[] = {'R','e','c','e','n','t','\0'};
 817 static const WCHAR ResourcesW[] = {'R','e','s','o','u','r','c','e','s','\0'};
 818 static const WCHAR Saved_GamesW[] = {'S','a','v','e','d',' ','G','a','m','e','s','\0'};
 819 static const WCHAR SearchesW[] = {'S','e','a','r','c','h','e','s','\0'};
 820 static const WCHAR SendToW[] = {'S','e','n','d','T','o','\0'};
 821 static const WCHAR StartUpW[] = {'S','t','a','r','t','U','p','\0'};
 822 static const WCHAR Start_MenuW[] = {'S','t','a','r','t',' ','M','e','n','u','\0'};
 823 static const WCHAR Start_Menu_ProgramsW[] = {'S','t','a','r','t',' ','M','e','n','u','\\','P','r','o','g','r','a','m','s','\0'};
 824 static const WCHAR Start_Menu_Admin_ToolsW[] = {'S','t','a','r','t',' ','M','e','n','u','\\','P','r','o','g','r','a','m','s','\\','A','d','m','i','n','i','s','t','r','a','t','i','v','e',' ','T','o','o','l','s','\0'};
 825 static const WCHAR Start_Menu_StartupW[] = {'S','t','a','r','t',' ','M','e','n','u','\\','P','r','o','g','r','a','m','s','\\','S','t','a','r','t','U','p','\0'};
 826 static const WCHAR TemplatesW[] = {'T','e','m','p','l','a','t','e','s','\0'};
 827 static const WCHAR UsersW[] = {'U','s','e','r','s','\0'};
 828 static const WCHAR UsersPublicW[] = {'U','s','e','r','s','\\','P','u','b','l','i','c','\0'};
 829 static const WCHAR VideosW[] = {'V','i','d','e','o','s','\0'};
 830 static const WCHAR Videos_Sample_VideosW[] = {'V','i','d','e','o','s','\\','S','a','m','p','l','e',' ','V','i','d','e','o','s','\0'};
 831 static const WCHAR DefaultW[] = {'.','D','e','f','a','u','l','t','\0'};
 832 static const WCHAR AllUsersProfileW[] = {'%','A','L','L','U','S','E','R','S','P','R','O','F','I','L','E','%','\0'};
 833 static const WCHAR UserProfileW[] = {'%','U','S','E','R','P','R','O','F','I','L','E','%','\0'};
 834 static const WCHAR SystemDriveW[] = {'%','S','y','s','t','e','m','D','r','i','v','e','%','\0'};
 835 static const WCHAR ProfileListW[] = {'S','o','f','t','w','a','r','e','\\','M','i','c','r','o','s','o','f','t','\\','W','i','n','d','o','w','s',' ','N','T','\\','C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\','P','r','o','f','i','l','e','L','i','s','t',0};
 836 static const WCHAR ProfilesDirectoryW[] = {'P','r','o','f','i','l','e','s','D','i','r','e','c','t','o','r','y',0};
 837 static const WCHAR AllUsersProfileValueW[] = {'A','l','l','U','s','e','r','s','P','r','o','f','i','l','e','\0'};
 838 static const WCHAR szSHFolders[] = {'S','o','f','t','w','a','r','e','\\','M','i','c','r','o','s','o','f','t','\\','W','i','n','d','o','w','s','\\','C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\','E','x','p','l','o','r','e','r','\\','S','h','e','l','l',' ','F','o','l','d','e','r','s','\0'};
 839 static const WCHAR szSHUserFolders[] = {'S','o','f','t','w','a','r','e','\\','M','i','c','r','o','s','o','f','t','\\','W','i','n','d','o','w','s','\\','C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\','E','x','p','l','o','r','e','r','\\','U','s','e','r',' ','S','h','e','l','l',' ','F','o','l','d','e','r','s','\0'};
 840 static const WCHAR szDefaultProfileDirW[] = {'u','s','e','r','s',0};
 841 static const WCHAR szKnownFolderDescriptions[] = {'S','o','f','t','w','a','r','e','\\','M','i','c','r','o','s','o','f','t','\\','W','i','n','d','o','w','s','\\','C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\','E','x','p','l','o','r','e','r','\\','F','o','l','d','e','r','D','e','s','c','r','i','p','t','i','o','n','s','\0'};
 842 static const WCHAR szKnownFolderRedirections[] = {'S','o','f','t','w','a','r','e','\\','M','i','c','r','o','s','o','f','t','\\','W','i','n','d','o','w','s','\\','C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\','E','x','p','l','o','r','e','r','\\','U','s','e','r',' ','S','h','e','l','l',' ','F','o','l','d','e','r','s',0};
 843 static const WCHAR AllUsersW[] = {'P','u','b','l','i','c',0};
 844
 845 typedef enum _CSIDL_Type {
 846     CSIDL_Type_User,
 847     CSIDL_Type_AllUsers,
 848     CSIDL_Type_CurrVer,
 849     CSIDL_Type_Disallowed,
 850     CSIDL_Type_NonExistent,
 851     CSIDL_Type_WindowsPath,
 852     CSIDL_Type_SystemPath,
 853     CSIDL_Type_SystemX86Path,
 854 } CSIDL_Type;
 855
 856 typedef struct
 857 {
 858     const KNOWNFOLDERID *id;
 859     CSIDL_Type type;
 860     LPCWSTR    szValueName;
 861     LPCWSTR    szDefaultPath; /* fallback string or resource ID */
 862 } CSIDL_DATA;
 863
 864 static const CSIDL_DATA CSIDL_Data[] =
 865 {
 866     { /* 0x00 - CSIDL_DESKTOP */
 867         &FOLDERID_Desktop,
 868         CSIDL_Type_User,
 869         DesktopW,
 870         MAKEINTRESOURCEW(IDS_DESKTOPDIRECTORY)
 871     },
 872     { /* 0x01 - CSIDL_INTERNET */
 873         &FOLDERID_InternetFolder,
 874         CSIDL_Type_Disallowed,
 875         NULL,
 876         NULL
 877     },
 878     { /* 0x02 - CSIDL_PROGRAMS */
 879         &FOLDERID_Programs,
 880         CSIDL_Type_User,
 881         ProgramsW,
 882         Start_Menu_ProgramsW
 883     },
 884     { /* 0x03 - CSIDL_CONTROLS (.CPL files) */
 885         &FOLDERID_ControlPanelFolder,
 886         CSIDL_Type_SystemPath,
 887         NULL,
 888         NULL
 889     },
 890     { /* 0x04 - CSIDL_PRINTERS */
 891         &FOLDERID_PrintersFolder,
 892         CSIDL_Type_SystemPath,
 893         NULL,
 894         NULL
 895     },
 896     { /* 0x05 - CSIDL_PERSONAL */
 897         &FOLDERID_Documents,
 898         CSIDL_Type_User,
 899         PersonalW,
 900         MAKEINTRESOURCEW(IDS_PERSONAL)
 901     },
 902     { /* 0x06 - CSIDL_FAVORITES */
 903         &FOLDERID_Favorites,
 904         CSIDL_Type_User,
 905         FavoritesW,
 906         FavoritesW
 907     },
 908     { /* 0x07 - CSIDL_STARTUP */
 909         &FOLDERID_Startup,
 910         CSIDL_Type_User,
 911         StartUpW,
 912         Start_Menu_StartupW
 913     },
 914     { /* 0x08 - CSIDL_RECENT */
 915         &FOLDERID_Recent,
 916         CSIDL_Type_User,
 917         RecentW,
 918         RecentW
 919     },
 920     { /* 0x09 - CSIDL_SENDTO */
 921         &FOLDERID_SendTo,
 922         CSIDL_Type_User,
 923         SendToW,
 924         SendToW
 925     },
 926     { /* 0x0a - CSIDL_BITBUCKET - Recycle Bin */
 927         &FOLDERID_RecycleBinFolder,
 928         CSIDL_Type_Disallowed,
 929         NULL,
 930         NULL,
 931     },
 932     { /* 0x0b - CSIDL_STARTMENU */
 933         &FOLDERID_StartMenu,
 934         CSIDL_Type_User,
 935         Start_MenuW,
 936         Start_MenuW
 937     },
 938     { /* 0x0c - CSIDL_MYDOCUMENTS */
 939         &GUID_NULL,
 940         CSIDL_Type_Disallowed, /* matches WinXP--can't get its path */
 941         NULL,
 942         NULL
 943     },
 944     { /* 0x0d - CSIDL_MYMUSIC */
 945         &FOLDERID_Music,
 946         CSIDL_Type_User,
 947         My_MusicW,
 948         MAKEINTRESOURCEW(IDS_MYMUSIC)
 949     },
 950     { /* 0x0e - CSIDL_MYVIDEO */
 951         &FOLDERID_Videos,
 952         CSIDL_Type_User,
 953         My_VideosW,
 954         MAKEINTRESOURCEW(IDS_MYVIDEOS)
 955     },
 956     { /* 0x0f - unassigned */
 957         &GUID_NULL,
 958         CSIDL_Type_Disallowed,
 959         NULL,
 960         NULL,
 961     },
 962     { /* 0x10 - CSIDL_DESKTOPDIRECTORY */
 963         &FOLDERID_Desktop,
 964         CSIDL_Type_User,
 965         DesktopW,
 966         MAKEINTRESOURCEW(IDS_DESKTOPDIRECTORY)
 967     },
 968     { /* 0x11 - CSIDL_DRIVES */
 969         &FOLDERID_ComputerFolder,
 970         CSIDL_Type_Disallowed,
 971         NULL,
 972         NULL,
 973     },
 974     { /* 0x12 - CSIDL_NETWORK */
 975         &FOLDERID_NetworkFolder,
 976         CSIDL_Type_Disallowed,
 977         NULL,
 978         NULL,
 979     },
 980     { /* 0x13 - CSIDL_NETHOOD */
 981         &FOLDERID_NetHood,
 982         CSIDL_Type_User,
 983         NetHoodW,
 984         NetHoodW
 985     },
 986     { /* 0x14 - CSIDL_FONTS */
 987         &FOLDERID_Fonts,
 988         CSIDL_Type_WindowsPath,
 989         FontsW,
 990         FontsW
 991     },
 992     { /* 0x15 - CSIDL_TEMPLATES */
 993         &FOLDERID_Templates,
 994         CSIDL_Type_User,
 995         TemplatesW,
 996         TemplatesW
 997     },
 998     { /* 0x16 - CSIDL_COMMON_STARTMENU */
 999         &FOLDERID_CommonStartMenu,
1000         CSIDL_Type_AllUsers,
1001         Common_Start_MenuW,
1002         Start_MenuW
1003     },
1004     { /* 0x17 - CSIDL_COMMON_PROGRAMS */
1005         &FOLDERID_CommonPrograms,
1006         CSIDL_Type_AllUsers,
1007         Common_ProgramsW,
1008         Start_Menu_ProgramsW
1009     },
1010     { /* 0x18 - CSIDL_COMMON_STARTUP */
1011         &FOLDERID_CommonStartup,
1012         CSIDL_Type_AllUsers,
1013         Common_StartUpW,
1014         Start_Menu_StartupW
1015     },
1016     { /* 0x19 - CSIDL_COMMON_DESKTOPDIRECTORY */
1017         &FOLDERID_PublicDesktop,
1018         CSIDL_Type_AllUsers,
1019         Common_DesktopW,
1020         MAKEINTRESOURCEW(IDS_DESKTOPDIRECTORY)
1021     },
1022     { /* 0x1a - CSIDL_APPDATA */
1023         &FOLDERID_RoamingAppData,
1024         CSIDL_Type_User,
1025         AppDataW,
1026         Application_DataW
1027     },
1028     { /* 0x1b - CSIDL_PRINTHOOD */
1029         &FOLDERID_PrintHood,
1030         CSIDL_Type_User,
1031         PrintHoodW,
1032         PrintHoodW
1033     },
1034     { /* 0x1c - CSIDL_LOCAL_APPDATA */
1035         &FOLDERID_LocalAppData,
1036         CSIDL_Type_User,
1037         Local_AppDataW,
1038         Local_Settings_Application_DataW
1039     },
1040     { /* 0x1d - CSIDL_ALTSTARTUP */
1041         &GUID_NULL,
1042         CSIDL_Type_NonExistent,
1043         NULL,
1044         NULL
1045     },
1046     { /* 0x1e - CSIDL_COMMON_ALTSTARTUP */
1047         &GUID_NULL,
1048         CSIDL_Type_NonExistent,
1049         NULL,
1050         NULL
1051     },
1052     { /* 0x1f - CSIDL_COMMON_FAVORITES */
1053         &FOLDERID_Favorites,
1054         CSIDL_Type_AllUsers,
1055         Common_FavoritesW,
1056         FavoritesW
1057     },
1058     { /* 0x20 - CSIDL_INTERNET_CACHE */
1059         &FOLDERID_InternetCache,
1060         CSIDL_Type_User,
1061         CacheW,
1062         Local_Settings_Temporary_Internet_FilesW
1063     },
1064     { /* 0x21 - CSIDL_COOKIES */
1065         &FOLDERID_Cookies,
1066         CSIDL_Type_User,
1067         CookiesW,
1068         CookiesW
1069     },
1070     { /* 0x22 - CSIDL_HISTORY */
1071         &FOLDERID_History,
1072         CSIDL_Type_User,
1073         HistoryW,
1074         Local_Settings_HistoryW
1075     },
1076     { /* 0x23 - CSIDL_COMMON_APPDATA */
1077         &FOLDERID_ProgramData,
1078         CSIDL_Type_AllUsers,
1079         Common_AppDataW,
1080         Application_DataW
1081     },
1082     { /* 0x24 - CSIDL_WINDOWS */
1083         &FOLDERID_Windows,
1084         CSIDL_Type_WindowsPath,
1085         NULL,
1086         NULL
1087     },
1088     { /* 0x25 - CSIDL_SYSTEM */
1089         &FOLDERID_System,
1090         CSIDL_Type_SystemPath,
1091         NULL,
1092         NULL
1093     },
1094     { /* 0x26 - CSIDL_PROGRAM_FILES */
1095         &FOLDERID_ProgramFiles,
1096         CSIDL_Type_CurrVer,
1097         ProgramFilesDirW,
1098         Program_FilesW
1099     },
1100     { /* 0x27 - CSIDL_MYPICTURES */
1101         &FOLDERID_Pictures,
1102         CSIDL_Type_User,
1103         My_PicturesW,
1104         MAKEINTRESOURCEW(IDS_MYPICTURES)
1105     },
1106     { /* 0x28 - CSIDL_PROFILE */
1107         &FOLDERID_Profile,
1108         CSIDL_Type_User,
1109         NULL,
1110         NULL
1111     },
1112     { /* 0x29 - CSIDL_SYSTEMX86 */
1113         &FOLDERID_SystemX86,
1114         CSIDL_Type_SystemX86Path,
1115         NULL,
1116         NULL
1117     },
1118     { /* 0x2a - CSIDL_PROGRAM_FILESX86 */
1119         &FOLDERID_ProgramFilesX86,
1120         CSIDL_Type_CurrVer,
1121         ProgramFilesDirX86W,
1122         Program_Files_x86W
1123     },
1124     { /* 0x2b - CSIDL_PROGRAM_FILES_COMMON */
1125         &FOLDERID_ProgramFilesCommon,
1126         CSIDL_Type_CurrVer,
1127         CommonFilesDirW,
1128         Program_Files_Common_FilesW
1129     },
1130     { /* 0x2c - CSIDL_PROGRAM_FILES_COMMONX86 */
1131         &FOLDERID_ProgramFilesCommonX86,
1132         CSIDL_Type_CurrVer,
1133         CommonFilesDirX86W,
1134         Program_Files_x86_Common_FilesW
1135     },
1136     { /* 0x2d - CSIDL_COMMON_TEMPLATES */
1137         &FOLDERID_CommonTemplates,
1138         CSIDL_Type_AllUsers,
1139         Common_TemplatesW,
1140         TemplatesW
1141     },
1142     { /* 0x2e - CSIDL_COMMON_DOCUMENTS */
1143         &FOLDERID_PublicDocuments,
1144         CSIDL_Type_AllUsers,
1145         Common_DocumentsW,
1146         DocumentsW
1147     },
1148     { /* 0x2f - CSIDL_COMMON_ADMINTOOLS */
1149         &FOLDERID_CommonAdminTools,
1150         CSIDL_Type_AllUsers,
1151         Common_Administrative_ToolsW,
1152         Start_Menu_Admin_ToolsW
1153     },
1154     { /* 0x30 - CSIDL_ADMINTOOLS */
1155         &FOLDERID_AdminTools,
1156         CSIDL_Type_User,
1157         Administrative_ToolsW,
1158         Start_Menu_Admin_ToolsW
1159     },
1160     { /* 0x31 - CSIDL_CONNECTIONS */
1161         &FOLDERID_ConnectionsFolder,
1162         CSIDL_Type_Disallowed,
1163         NULL,
1164         NULL
1165     },
1166     { /* 0x32 - unassigned */
1167         &GUID_NULL,
1168         CSIDL_Type_Disallowed,
1169         NULL,
1170         NULL
1171     },
1172     { /* 0x33 - unassigned */
1173         &GUID_NULL,
1174         CSIDL_Type_Disallowed,
1175         NULL,
1176         NULL
1177     },
1178     { /* 0x34 - unassigned */
1179         &GUID_NULL,
1180         CSIDL_Type_Disallowed,
1181         NULL,
1182         NULL
1183     },
1184     { /* 0x35 - CSIDL_COMMON_MUSIC */
1185         &FOLDERID_PublicMusic,
1186         CSIDL_Type_AllUsers,
1187         CommonMusicW,
1188         MusicW
1189     },
1190     { /* 0x36 - CSIDL_COMMON_PICTURES */
1191         &FOLDERID_PublicPictures,
1192         CSIDL_Type_AllUsers,
1193         CommonPicturesW,
1194         PicturesW
1195     },
1196     { /* 0x37 - CSIDL_COMMON_VIDEO */
1197         &FOLDERID_PublicVideos,
1198         CSIDL_Type_AllUsers,
1199         CommonVideoW,
1200         VideosW
1201     },
1202     { /* 0x38 - CSIDL_RESOURCES */
1203         &FOLDERID_ResourceDir,
1204         CSIDL_Type_WindowsPath,
1205         NULL,
1206         ResourcesW
1207     },
1208     { /* 0x39 - CSIDL_RESOURCES_LOCALIZED */
1209         &FOLDERID_LocalizedResourcesDir,
1210         CSIDL_Type_NonExistent,
1211         NULL,
1212         NULL
1213     },
1214     { /* 0x3a - CSIDL_COMMON_OEM_LINKS */
1215         &FOLDERID_CommonOEMLinks,
1216         CSIDL_Type_AllUsers,
1217         NULL,
1218         OEM_LinksW
1219     },
1220     { /* 0x3b - CSIDL_CDBURN_AREA */
1221         &FOLDERID_CDBurning,
1222         CSIDL_Type_User,
1223         CD_BurningW,
1224         Local_Settings_CD_BurningW
1225     },
1226     { /* 0x3c unassigned */
1227         &GUID_NULL,
1228         CSIDL_Type_Disallowed,
1229         NULL,
1230         NULL
1231     },
1232     { /* 0x3d - CSIDL_COMPUTERSNEARME */
1233         &GUID_NULL,
1234         CSIDL_Type_Disallowed, /* FIXME */
1235         NULL,
1236         NULL
1237     },
1238     { /* 0x3e - CSIDL_PROFILES */
1239         &GUID_NULL,
1240         CSIDL_Type_Disallowed, /* oddly, this matches WinXP */
1241         NULL,
1242         NULL
1243     },
1244     { /* 0x3f */
1245         &FOLDERID_AddNewPrograms,
1246         CSIDL_Type_Disallowed,
1247         NULL,
1248         NULL
1249     },
1250     { /* 0x40 */
1251         &FOLDERID_AppUpdates,
1252         CSIDL_Type_Disallowed,
1253         NULL,
1254         NULL
1255     },
1256     { /* 0x41 */
1257         &FOLDERID_ChangeRemovePrograms,
1258         CSIDL_Type_Disallowed,
1259         NULL,
1260         NULL
1261     },
1262     { /* 0x42 */
1263         &FOLDERID_ConflictFolder,
1264         CSIDL_Type_Disallowed,
1265         NULL,
1266         NULL
1267     },
1268     { /* 0x43 */
1269         &FOLDERID_Contacts,
1270         CSIDL_Type_User,
1271         ContactsW,
1272         ContactsW
1273     },
1274     { /* 0x44 */
1275         &FOLDERID_DeviceMetadataStore,
1276         CSIDL_Type_Disallowed, /* FIXME */
1277         NULL,
1278         NULL
1279     },
1280     { /* 0x45 */
1281         &GUID_NULL,
1282         CSIDL_Type_User,
1283         NULL,
1284         DocumentsW
1285     },
1286     { /* 0x46 */
1287         &FOLDERID_DocumentsLibrary,
1288         CSIDL_Type_Disallowed, /* FIXME */
1289         NULL,
1290         NULL
1291     },
1292     { /* 0x47 */
1293         &FOLDERID_Downloads,
1294         CSIDL_Type_User,
1295         NULL,
1296         DownloadsW
1297     },
1298     { /* 0x48 */
1299         &FOLDERID_Games,
1300         CSIDL_Type_Disallowed,
1301         NULL,
1302         NULL
1303     },
1304     { /* 0x49 */
1305         &FOLDERID_GameTasks,
1306         CSIDL_Type_Disallowed, /* FIXME */
1307         NULL,
1308         NULL
1309     },
1310     { /* 0x4a */
1311         &FOLDERID_HomeGroup,
1312         CSIDL_Type_Disallowed,
1313         NULL,
1314         NULL
1315     },
1316     { /* 0x4b */
1317         &FOLDERID_ImplicitAppShortcuts,
1318         CSIDL_Type_Disallowed, /* FIXME */
1319         NULL,
1320         NULL
1321     },
1322     { /* 0x4c */
1323         &FOLDERID_Libraries,
1324         CSIDL_Type_Disallowed, /* FIXME */
1325         NULL,
1326         NULL
1327     },
1328     { /* 0x4d */
1329         &FOLDERID_Links,
1330         CSIDL_Type_User,
1331         NULL,
1332         LinksW
1333     },
1334     { /* 0x4e */
1335         &FOLDERID_LocalAppDataLow,
1336         CSIDL_Type_User,
1337         NULL,
1338         AppData_LocalLowW
1339     },
1340     { /* 0x4f */
1341         &FOLDERID_MusicLibrary,
1342         CSIDL_Type_Disallowed, /* FIXME */
1343         NULL,
1344         NULL
1345     },
1346     { /* 0x50 */
1347         &FOLDERID_OriginalImages,
1348         CSIDL_Type_Disallowed, /* FIXME */
1349         NULL,
1350         NULL
1351     },
1352     { /* 0x51 */
1353         &FOLDERID_PhotoAlbums,
1354         CSIDL_Type_User,
1355         NULL,
1356         Pictures_Slide_ShowsW
1357     },
1358     { /* 0x52 */
1359         &FOLDERID_PicturesLibrary,
1360         CSIDL_Type_Disallowed, /* FIXME */
1361         NULL,
1362         NULL
1363     },
1364     { /* 0x53 */
1365         &FOLDERID_Playlists,
1366         CSIDL_Type_User,
1367         NULL,
1368         Music_PlaylistsW
1369     },
1370     { /* 0x54 */
1371         &FOLDERID_ProgramFilesX64,
1372         CSIDL_Type_NonExistent,
1373         NULL,
1374         NULL
1375     },
1376     { /* 0x55 */
1377         &FOLDERID_ProgramFilesCommonX64,
1378         CSIDL_Type_NonExistent,
1379         NULL,
1380         NULL
1381     },
1382     { /* 0x56 */
1383         &FOLDERID_Public,
1384         CSIDL_Type_CurrVer, /* FIXME */
1385         NULL,
1386         UsersPublicW
1387     },
1388     { /* 0x57 */
1389         &FOLDERID_PublicDownloads,
1390         CSIDL_Type_AllUsers,
1391         NULL,
1392         DownloadsW
1393     },
1394     { /* 0x58 */
1395         &FOLDERID_PublicGameTasks,
1396         CSIDL_Type_AllUsers,
1397         NULL,
1398         Microsoft_Windows_GameExplorerW
1399     },
1400     { /* 0x59 */
1401         &FOLDERID_PublicLibraries,
1402         CSIDL_Type_AllUsers,
1403         NULL,
1404         Microsoft_Windows_LibrariesW
1405     },
1406     { /* 0x5a */
1407         &FOLDERID_PublicRingtones,
1408         CSIDL_Type_AllUsers,
1409         NULL,
1410         Microsoft_Windows_RingtonesW
1411     },
1412     { /* 0x5b */
1413         &FOLDERID_QuickLaunch,
1414         CSIDL_Type_Disallowed, /* FIXME */
1415         NULL,
1416         NULL
1417     },
1418     { /* 0x5c */
1419         &FOLDERID_RecordedTVLibrary,
1420         CSIDL_Type_Disallowed, /* FIXME */
1421         NULL,
1422         NULL
1423     },
1424     { /* 0x5d */
1425         &FOLDERID_Ringtones,
1426         CSIDL_Type_Disallowed, /* FIXME */
1427         NULL,
1428         NULL
1429     },
1430     { /* 0x5e */
1431         &FOLDERID_SampleMusic,
1432         CSIDL_Type_AllUsers,
1433         NULL,
1434         Music_Sample_MusicW
1435     },
1436     { /* 0x5f */
1437         &FOLDERID_SamplePictures,
1438         CSIDL_Type_AllUsers,
1439         NULL,
1440         Pictures_Sample_PicturesW
1441     },
1442     { /* 0x60 */
1443         &FOLDERID_SamplePlaylists,
1444         CSIDL_Type_AllUsers,
1445         NULL,
1446         Music_Sample_PlaylistsW
1447     },
1448     { /* 0x61 */
1449         &FOLDERID_SampleVideos,
1450         CSIDL_Type_AllUsers,
1451         NULL,
1452         Videos_Sample_VideosW
1453     },
1454     { /* 0x62 */
1455         &FOLDERID_SavedGames,
1456         CSIDL_Type_User,
1457         NULL,
1458         Saved_GamesW
1459     },
1460     { /* 0x63 */
1461         &FOLDERID_SavedSearches,
1462         CSIDL_Type_User,
1463         NULL,
1464         SearchesW
1465     },
1466     { /* 0x64 */
1467         &FOLDERID_SEARCH_CSC,
1468         CSIDL_Type_Disallowed,
1469         NULL,
1470         NULL
1471     },
1472     { /* 0x65 */
1473         &FOLDERID_SEARCH_MAPI,
1474         CSIDL_Type_Disallowed,
1475         NULL,
1476         NULL
1477     },
1478     { /* 0x66 */
1479         &FOLDERID_SearchHome,
1480         CSIDL_Type_Disallowed,
1481         NULL,
1482         NULL
1483     },
1484     { /* 0x67 */
1485         &FOLDERID_SidebarDefaultParts,
1486         CSIDL_Type_Disallowed, /* FIXME */
1487         NULL,
1488         NULL
1489     },
1490     { /* 0x68 */
1491         &FOLDERID_SidebarParts,
1492         CSIDL_Type_Disallowed, /* FIXME */
1493         NULL,
1494         NULL
1495     },
1496     { /* 0x69 */
1497         &FOLDERID_SyncManagerFolder,
1498         CSIDL_Type_Disallowed,
1499         NULL,
1500         NULL
1501     },
1502     { /* 0x6a */
1503         &FOLDERID_SyncResultsFolder,
1504         CSIDL_Type_Disallowed,
1505         NULL,
1506         NULL
1507     },
1508     { /* 0x6b */
1509         &FOLDERID_SyncSetupFolder,
1510         CSIDL_Type_Disallowed,
1511         NULL,
1512         NULL
1513     },
1514     { /* 0x6c */
1515         &FOLDERID_UserPinned,
1516         CSIDL_Type_Disallowed, /* FIXME */
1517         NULL,
1518         NULL
1519     },
1520     { /* 0x6d */
1521         &FOLDERID_UserProfiles,
1522         CSIDL_Type_CurrVer,
1523         UsersW,
1524         UsersW
1525     },
1526     { /* 0x6e */
1527         &FOLDERID_UserProgramFiles,
1528         CSIDL_Type_Disallowed, /* FIXME */
1529         NULL,
1530         NULL
1531     },
1532     { /* 0x6f */
1533         &FOLDERID_UserProgramFilesCommon,
1534         CSIDL_Type_Disallowed, /* FIXME */
1535         NULL,
1536         NULL
1537     },
1538     { /* 0x70 */
1539         &FOLDERID_UsersFiles,
1540         CSIDL_Type_Disallowed,
1541         NULL,
1542         NULL
1543     },
1544     { /* 0x71 */
1545         &FOLDERID_UsersLibraries,
1546         CSIDL_Type_Disallowed,
1547         NULL,
1548         NULL
1549     },
1550     { /* 0x72 */
1551         &FOLDERID_VideosLibrary,
1552         CSIDL_Type_Disallowed, /* FIXME */
1553         NULL,
1554         NULL
1555     }
1556 };
1557
1558 static HRESULT _SHExpandEnvironmentStrings(LPCWSTR szSrc, LPWSTR szDest);
1559
1560 /* Gets the value named value from the registry key
1561  * rootKey\Software\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders
1562  * (or from rootKey\userPrefix\... if userPrefix is not NULL) into path, which
1563  * is assumed to be MAX_PATH WCHARs in length.
1564  * If it exists, expands the value and writes the expanded value to
1565  * rootKey\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders
1566  * Returns successful error code if the value was retrieved from the registry,
1567  * and a failure otherwise.
1568  */
1569 static HRESULT _SHGetUserShellFolderPath(HKEY rootKey, LPCWSTR userPrefix,
1570  LPCWSTR value, LPWSTR path)
1571 {
1572     HRESULT hr;
1573     WCHAR shellFolderPath[MAX_PATH], userShellFolderPath[MAX_PATH];
1574     LPCWSTR pShellFolderPath, pUserShellFolderPath;
1575     DWORD dwType, dwPathLen = MAX_PATH;
1576     HKEY userShellFolderKey, shellFolderKey;
1577
1578     TRACE("%p,%s,%s,%p\n",rootKey, debugstr_w(userPrefix), debugstr_w(value),
1579      path);
1580
1581     if (userPrefix)
1582     {
1583         strcpyW(shellFolderPath, userPrefix);
1584         PathAddBackslashW(shellFolderPath);
1585         strcatW(shellFolderPath, szSHFolders);
1586         pShellFolderPath = shellFolderPath;
1587         strcpyW(userShellFolderPath, userPrefix);
1588         PathAddBackslashW(userShellFolderPath);
1589         strcatW(userShellFolderPath, szSHUserFolders);
1590         pUserShellFolderPath = userShellFolderPath;
1591     }
1592     else
1593     {
1594         pUserShellFolderPath = szSHUserFolders;
1595         pShellFolderPath = szSHFolders;
1596     }
1597
1598     if (RegCreateKeyW(rootKey, pShellFolderPath, &shellFolderKey))
1599     {
1600         TRACE("Failed to create %s\n", debugstr_w(pShellFolderPath));
1601         return E_FAIL;
1602     }
1603     if (RegCreateKeyW(rootKey, pUserShellFolderPath, &userShellFolderKey))
1604     {
1605         TRACE("Failed to create %s\n",
1606          debugstr_w(pUserShellFolderPath));
1607         RegCloseKey(shellFolderKey);
1608         return E_FAIL;
1609     }
1610
1611     if (!RegQueryValueExW(userShellFolderKey, value, NULL, &dwType,
1612      (LPBYTE)path, &dwPathLen) && (dwType == REG_EXPAND_SZ || dwType == REG_SZ))
1613     {
1614         LONG ret;
1615
1616         path[dwPathLen / sizeof(WCHAR)] = '\0';
1617         if (dwType == REG_EXPAND_SZ && path[0] == '%')
1618         {
1619             WCHAR szTemp[MAX_PATH];
1620
1621             _SHExpandEnvironmentStrings(path, szTemp);
1622             lstrcpynW(path, szTemp, MAX_PATH);
1623         }
1624         ret = RegSetValueExW(shellFolderKey, value, 0, REG_SZ, (LPBYTE)path,
1625          (strlenW(path) + 1) * sizeof(WCHAR));
1626         if (ret != ERROR_SUCCESS)
1627             hr = HRESULT_FROM_WIN32(ret);
1628         else
1629             hr = S_OK;
1630     }
1631     else
1632         hr = E_FAIL;
1633     RegCloseKey(shellFolderKey);
1634     RegCloseKey(userShellFolderKey);
1635     TRACE("returning 0x%08x\n", hr);
1636     return hr;
1637 }
1638
1639 /* Gets a 'semi-expanded' default value of the CSIDL with index folder into
1640  * pszPath, based on the entries in CSIDL_Data.  By semi-expanded, I mean:
1641  * - The entry's szDefaultPath may be either a string value or an integer
1642  *   resource identifier.  In the latter case, the string value of the resource
1643  *   is written.
1644  * - Depending on the entry's type, the path may begin with an (unexpanded)
1645  *   environment variable name.  The caller is responsible for expanding
1646  *   environment strings if so desired.
1647  *   The types that are prepended with environment variables are:
1648  *   CSIDL_Type_User:     %USERPROFILE%
1649  *   CSIDL_Type_AllUsers: %ALLUSERSPROFILE%
1650  *   CSIDL_Type_CurrVer:  %SystemDrive%
1651  *   (Others might make sense too, but as yet are unneeded.)
1652  */
1653 static HRESULT _SHGetDefaultValue(BYTE folder, LPWSTR pszPath)
1654 {
1655     HRESULT hr;
1656     WCHAR resourcePath[MAX_PATH];
1657     LPCWSTR pDefaultPath = NULL;
1658
1659     TRACE("0x%02x,%p\n", folder, pszPath);
1660
1661     if (folder >= sizeof(CSIDL_Data) / sizeof(CSIDL_Data[0]))
1662         return E_INVALIDARG;
1663     if (!pszPath)
1664         return E_INVALIDARG;
1665
1666     if (!is_win64)
1667     {
1668         BOOL is_wow64;
1669
1670         switch (folder)
1671         {
1672         case CSIDL_PROGRAM_FILES:
1673         case CSIDL_PROGRAM_FILESX86:
1674             IsWow64Process( GetCurrentProcess(), &is_wow64 );
1675             folder = is_wow64 ? CSIDL_PROGRAM_FILESX86 : CSIDL_PROGRAM_FILES;
1676             break;
1677         case CSIDL_PROGRAM_FILES_COMMON:
1678         case CSIDL_PROGRAM_FILES_COMMONX86:
1679             IsWow64Process( GetCurrentProcess(), &is_wow64 );
1680             folder = is_wow64 ? CSIDL_PROGRAM_FILES_COMMONX86 : CSIDL_PROGRAM_FILES_COMMON;
1681             break;
1682         }
1683     }
1684
1685     if (CSIDL_Data[folder].szDefaultPath &&
1686      IS_INTRESOURCE(CSIDL_Data[folder].szDefaultPath))
1687     {
1688         if (LoadStringW(shell32_hInstance,
1689          LOWORD(CSIDL_Data[folder].szDefaultPath), resourcePath, MAX_PATH))
1690         {
1691             hr = S_OK;
1692             pDefaultPath = resourcePath;
1693         }
1694         else
1695         {
1696             FIXME("(%d,%s), LoadString failed, missing translation?\n", folder,
1697              debugstr_w(pszPath));
1698             hr = E_FAIL;
1699         }
1700     }
1701     else
1702     {
1703         hr = S_OK;
1704         pDefaultPath = CSIDL_Data[folder].szDefaultPath;
1705     }
1706     if (SUCCEEDED(hr))
1707     {
1708         switch (CSIDL_Data[folder].type)
1709         {
1710             case CSIDL_Type_User:
1711                 strcpyW(pszPath, UserProfileW);
1712                 break;
1713             case CSIDL_Type_AllUsers:
1714                 strcpyW(pszPath, AllUsersProfileW);
1715                 break;
1716             case CSIDL_Type_CurrVer:
1717                 strcpyW(pszPath, SystemDriveW);
1718                 break;
1719             default:
1720                 ; /* no corresponding env. var, do nothing */
1721         }
1722         if (pDefaultPath)
1723         {
1724             PathAddBackslashW(pszPath);
1725             strcatW(pszPath, pDefaultPath);
1726         }
1727     }
1728     TRACE("returning 0x%08x\n", hr);
1729     return hr;
1730 }
1731
1732 /* Gets the (unexpanded) value of the folder with index folder into pszPath.
1733  * The folder's type is assumed to be CSIDL_Type_CurrVer.  Its default value
1734  * can be overridden in the HKLM\\szCurrentVersion key.
1735  * If dwFlags has SHGFP_TYPE_DEFAULT set or if the value isn't overridden in
1736  * the registry, uses _SHGetDefaultValue to get the value.
1737  */
1738 static HRESULT _SHGetCurrentVersionPath(DWORD dwFlags, BYTE folder,
1739  LPWSTR pszPath)
1740 {
1741     HRESULT hr;
1742
1743     TRACE("0x%08x,0x%02x,%p\n", dwFlags, folder, pszPath);
1744
1745     if (folder >= sizeof(CSIDL_Data) / sizeof(CSIDL_Data[0]))
1746         return E_INVALIDARG;
1747     if (CSIDL_Data[folder].type != CSIDL_Type_CurrVer)
1748         return E_INVALIDARG;
1749     if (!pszPath)
1750         return E_INVALIDARG;
1751
1752     if (dwFlags & SHGFP_TYPE_DEFAULT)
1753         hr = _SHGetDefaultValue(folder, pszPath);
1754     else
1755     {
1756         HKEY hKey;
1757
1758         if (RegCreateKeyW(HKEY_LOCAL_MACHINE, szCurrentVersion, &hKey))
1759             hr = E_FAIL;
1760         else
1761         {
1762             DWORD dwType, dwPathLen = MAX_PATH * sizeof(WCHAR);
1763
1764             if (RegQueryValueExW(hKey, CSIDL_Data[folder].szValueName, NULL,
1765              &dwType, (LPBYTE)pszPath, &dwPathLen) ||
1766              (dwType != REG_SZ && dwType != REG_EXPAND_SZ))
1767             {
1768                 hr = _SHGetDefaultValue(folder, pszPath);
1769                 dwType = REG_EXPAND_SZ;
1770                 switch (folder)
1771                 {
1772                 case CSIDL_PROGRAM_FILESX86:
1773                 case CSIDL_PROGRAM_FILES_COMMONX86:
1774                     /* these two should never be set on 32-bit setups */
1775                     if (!is_win64)
1776                     {
1777                         BOOL is_wow64;
1778                         IsWow64Process( GetCurrentProcess(), &is_wow64 );
1779                         if (!is_wow64) break;
1780                     }
1781                     /* fall through */
1782                 default:
1783                     RegSetValueExW(hKey, CSIDL_Data[folder].szValueName, 0, dwType,
1784                                    (LPBYTE)pszPath, (strlenW(pszPath)+1)*sizeof(WCHAR));
1785                 }
1786             }
1787             else
1788             {
1789                 pszPath[dwPathLen / sizeof(WCHAR)] = '\0';
1790                 hr = S_OK;
1791             }
1792             RegCloseKey(hKey);
1793         }
1794     }
1795     TRACE("returning 0x%08x (output path is %s)\n", hr, debugstr_w(pszPath));
1796     return hr;
1797 }
1798
1799 static LPWSTR _GetUserSidStringFromToken(HANDLE Token)
1800 {
1801     char InfoBuffer[64];
1802     PTOKEN_USER UserInfo;
1803     DWORD InfoSize;
1804     LPWSTR SidStr;
1805
1806     UserInfo = (PTOKEN_USER) InfoBuffer;
1807     if (! GetTokenInformation(Token, TokenUser, InfoBuffer, sizeof(InfoBuffer),
1808                               &InfoSize))
1809     {
1810         if (GetLastError() != ERROR_INSUFFICIENT_BUFFER)
1811             return NULL;
1812         UserInfo = HeapAlloc(GetProcessHeap(), 0, InfoSize);
1813         if (UserInfo == NULL)
1814             return NULL;
1815         if (! GetTokenInformation(Token, TokenUser, UserInfo, InfoSize,
1816                                   &InfoSize))
1817         {
1818             HeapFree(GetProcessHeap(), 0, UserInfo);
1819             return NULL;
1820         }
1821     }
1822
1823     if (! ConvertSidToStringSidW(UserInfo->User.Sid, &SidStr))
1824         SidStr = NULL;
1825
1826     if (UserInfo != (PTOKEN_USER) InfoBuffer)
1827         HeapFree(GetProcessHeap(), 0, UserInfo);
1828
1829     return SidStr;
1830 }
1831
1832 /* Gets the user's path (unexpanded) for the CSIDL with index folder:
1833  * If SHGFP_TYPE_DEFAULT is set, calls _SHGetDefaultValue for it.  Otherwise
1834  * calls _SHGetUserShellFolderPath for it.  Where it looks depends on hToken:
1835  * - if hToken is -1, looks in HKEY_USERS\.Default
1836  * - otherwise looks first in HKEY_CURRENT_USER, followed by HKEY_LOCAL_MACHINE
1837  *   if HKEY_CURRENT_USER doesn't contain any entries.  If both fail, finally
1838  *   calls _SHGetDefaultValue for it.
1839  */
1840 static HRESULT _SHGetUserProfilePath(HANDLE hToken, DWORD dwFlags, BYTE folder,
1841  LPWSTR pszPath)
1842 {
1843     HRESULT hr;
1844
1845     TRACE("%p,0x%08x,0x%02x,%p\n", hToken, dwFlags, folder, pszPath);
1846
1847     if (folder >= sizeof(CSIDL_Data) / sizeof(CSIDL_Data[0]))
1848         return E_INVALIDARG;
1849     if (CSIDL_Data[folder].type != CSIDL_Type_User)
1850         return E_INVALIDARG;
1851     if (!pszPath)
1852         return E_INVALIDARG;
1853
1854     if (dwFlags & SHGFP_TYPE_DEFAULT)
1855     {
1856         if (hToken != NULL && hToken != (HANDLE)-1)
1857         {
1858             FIXME("unsupported for user other than current or default\n");
1859             return E_FAIL;
1860         }
1861         hr = _SHGetDefaultValue(folder, pszPath);
1862     }
1863     else
1864     {
1865         LPCWSTR userPrefix = NULL;
1866         HKEY hRootKey;
1867
1868         if (hToken == (HANDLE)-1)
1869         {
1870             hRootKey = HKEY_USERS;
1871             userPrefix = DefaultW;
1872         }
1873         else if (hToken == NULL)
1874             hRootKey = HKEY_CURRENT_USER;
1875         else
1876         {
1877             hRootKey = HKEY_USERS;
1878             userPrefix = _GetUserSidStringFromToken(hToken);
1879             if (userPrefix == NULL)
1880             {
1881                 hr = E_FAIL;
1882                 goto error;
1883             }
1884         }
1885         hr = _SHGetUserShellFolderPath(hRootKey, userPrefix,
1886          CSIDL_Data[folder].szValueName, pszPath);
1887         if (FAILED(hr) && hRootKey != HKEY_LOCAL_MACHINE)
1888             hr = _SHGetUserShellFolderPath(HKEY_LOCAL_MACHINE, NULL,
1889              CSIDL_Data[folder].szValueName, pszPath);
1890         if (FAILED(hr))
1891             hr = _SHGetDefaultValue(folder, pszPath);
1892         if (userPrefix != NULL && userPrefix != DefaultW)
1893             LocalFree((HLOCAL) userPrefix);
1894     }
1895 error:
1896     TRACE("returning 0x%08x (output path is %s)\n", hr, debugstr_w(pszPath));
1897     return hr;
1898 }
1899
1900 /* Gets the (unexpanded) path for the CSIDL with index folder.  If dwFlags has
1901  * SHGFP_TYPE_DEFAULT set, calls _SHGetDefaultValue.  Otherwise calls
1902  * _SHGetUserShellFolderPath for it, looking only in HKEY_LOCAL_MACHINE.
1903  * If this fails, falls back to _SHGetDefaultValue.
1904  */
1905 static HRESULT _SHGetAllUsersProfilePath(DWORD dwFlags, BYTE folder,
1906  LPWSTR pszPath)
1907 {
1908     HRESULT hr;
1909
1910     TRACE("0x%08x,0x%02x,%p\n", dwFlags, folder, pszPath);
1911
1912     if (folder >= sizeof(CSIDL_Data) / sizeof(CSIDL_Data[0]))
1913         return E_INVALIDARG;
1914     if (CSIDL_Data[folder].type != CSIDL_Type_AllUsers)
1915         return E_INVALIDARG;
1916     if (!pszPath)
1917         return E_INVALIDARG;
1918
1919     if (dwFlags & SHGFP_TYPE_DEFAULT)
1920         hr = _SHGetDefaultValue(folder, pszPath);
1921     else
1922     {
1923         hr = _SHGetUserShellFolderPath(HKEY_LOCAL_MACHINE, NULL,
1924          CSIDL_Data[folder].szValueName, pszPath);
1925         if (FAILED(hr))
1926             hr = _SHGetDefaultValue(folder, pszPath);
1927     }
1928     TRACE("returning 0x%08x (output path is %s)\n", hr, debugstr_w(pszPath));
1929     return hr;
1930 }
1931
1932 static HRESULT _SHOpenProfilesKey(PHKEY pKey)
1933 {
1934     LONG lRet;
1935     DWORD disp;
1936
1937     lRet = RegCreateKeyExW(HKEY_LOCAL_MACHINE, ProfileListW, 0, NULL, 0,
1938      KEY_ALL_ACCESS, NULL, pKey, &disp);
1939     return HRESULT_FROM_WIN32(lRet);
1940 }
1941
1942 /* Reads the value named szValueName from the key profilesKey (assumed to be
1943  * opened by _SHOpenProfilesKey) into szValue, which is assumed to be MAX_PATH
1944  * WCHARs in length.  If it doesn't exist, returns szDefault (and saves
1945  * szDefault to the registry).
1946  */
1947 static HRESULT _SHGetProfilesValue(HKEY profilesKey, LPCWSTR szValueName,
1948  LPWSTR szValue, LPCWSTR szDefault)
1949 {
1950     HRESULT hr;
1951     DWORD type, dwPathLen = MAX_PATH * sizeof(WCHAR);
1952     LONG lRet;
1953
1954     TRACE("%p,%s,%p,%s\n", profilesKey, debugstr_w(szValueName), szValue,
1955      debugstr_w(szDefault));
1956     lRet = RegQueryValueExW(profilesKey, szValueName, NULL, &type,
1957      (LPBYTE)szValue, &dwPathLen);
1958     if (!lRet && (type == REG_SZ || type == REG_EXPAND_SZ) && dwPathLen
1959      && *szValue)
1960     {
1961         dwPathLen /= sizeof(WCHAR);
1962         szValue[dwPathLen] = '\0';
1963         hr = S_OK;
1964     }
1965     else
1966     {
1967         /* Missing or invalid value, set a default */
1968         lstrcpynW(szValue, szDefault, MAX_PATH);
1969         TRACE("Setting missing value %s to %s\n", debugstr_w(szValueName),
1970                                                   debugstr_w(szValue));
1971         lRet = RegSetValueExW(profilesKey, szValueName, 0, REG_EXPAND_SZ,
1972                               (LPBYTE)szValue,
1973                               (strlenW(szValue) + 1) * sizeof(WCHAR));
1974         if (lRet)
1975             hr = HRESULT_FROM_WIN32(lRet);
1976         else
1977             hr = S_OK;
1978     }
1979     TRACE("returning 0x%08x (output value is %s)\n", hr, debugstr_w(szValue));
1980     return hr;
1981 }
1982
1983 /* Attempts to expand environment variables from szSrc into szDest, which is
1984  * assumed to be MAX_PATH characters in length.  Before referring to the
1985  * environment, handles a few variables directly, because the environment
1986  * variables may not be set when this is called (as during Wine's installation
1987  * when default values are being written to the registry).
1988  * The directly handled environment variables, and their source, are:
1989  * - ALLUSERSPROFILE, USERPROFILE: reads from the registry
1990  * - SystemDrive: uses GetSystemDirectoryW and uses the drive portion of its
1991  *   path
1992  * If one of the directly handled environment variables is expanded, only
1993  * expands a single variable, and only in the beginning of szSrc.
1994  */
1995 static HRESULT _SHExpandEnvironmentStrings(LPCWSTR szSrc, LPWSTR szDest)
1996 {
1997     HRESULT hr;
1998     WCHAR szTemp[MAX_PATH], szProfilesPrefix[MAX_PATH] = { 0 };
1999     HKEY key = NULL;
2000
2001     TRACE("%s, %p\n", debugstr_w(szSrc), szDest);
2002
2003     if (!szSrc || !szDest) return E_INVALIDARG;
2004
2005     /* short-circuit if there's nothing to expand */
2006     if (szSrc[0] != '%')
2007     {
2008         strcpyW(szDest, szSrc);
2009         hr = S_OK;
2010         goto end;
2011     }
2012     /* Get the profile prefix, we'll probably be needing it */
2013     hr = _SHOpenProfilesKey(&key);
2014     if (SUCCEEDED(hr))
2015     {
2016         WCHAR def_val[MAX_PATH];
2017
2018         /* get the system drive */
2019         GetSystemDirectoryW(def_val, MAX_PATH);
2020         if (def_val[1] == ':') strcpyW( def_val + 3, szDefaultProfileDirW );
2021         else FIXME("non-drive system paths unsupported\n");
2022
2023         hr = _SHGetProfilesValue(key, ProfilesDirectoryW, szProfilesPrefix, def_val );
2024     }
2025
2026     *szDest = 0;
2027     strcpyW(szTemp, szSrc);
2028     while (SUCCEEDED(hr) && szTemp[0] == '%')
2029     {
2030         if (!strncmpiW(szTemp, AllUsersProfileW, strlenW(AllUsersProfileW)))
2031         {
2032             WCHAR szAllUsers[MAX_PATH];
2033
2034             strcpyW(szDest, szProfilesPrefix);
2035             hr = _SHGetProfilesValue(key, AllUsersProfileValueW,
2036              szAllUsers, AllUsersW);
2037             PathAppendW(szDest, szAllUsers);
2038             PathAppendW(szDest, szTemp + strlenW(AllUsersProfileW));
2039         }
2040         else if (!strncmpiW(szTemp, UserProfileW, strlenW(UserProfileW)))
2041         {
2042             WCHAR userName[MAX_PATH];
2043             DWORD userLen = MAX_PATH;
2044
2045             strcpyW(szDest, szProfilesPrefix);
2046             GetUserNameW(userName, &userLen);
2047             PathAppendW(szDest, userName);
2048             PathAppendW(szDest, szTemp + strlenW(UserProfileW));
2049         }
2050         else if (!strncmpiW(szTemp, SystemDriveW, strlenW(SystemDriveW)))
2051         {
2052             GetSystemDirectoryW(szDest, MAX_PATH);
2053             if (szDest[1] != ':')
2054             {
2055                 FIXME("non-drive system paths unsupported\n");
2056                 hr = E_FAIL;
2057             }
2058             else
2059             {
2060                 strcpyW(szDest + 3, szTemp + strlenW(SystemDriveW) + 1);
2061                 hr = S_OK;
2062             }
2063         }
2064         else
2065         {
2066             DWORD ret = ExpandEnvironmentStringsW(szSrc, szDest, MAX_PATH);
2067
2068             if (ret > MAX_PATH)
2069                 hr = HRESULT_FROM_WIN32(ERROR_INSUFFICIENT_BUFFER);
2070             else if (ret == 0)
2071                 hr = HRESULT_FROM_WIN32(GetLastError());
2072             else
2073                 hr = S_OK;
2074         }
2075         if (SUCCEEDED(hr) && szDest[0] == '%')
2076             strcpyW(szTemp, szDest);
2077         else
2078         {
2079             /* terminate loop */
2080             szTemp[0] = '\0';
2081         }
2082     }
2083 end:
2084     if (key)
2085         RegCloseKey(key);
2086     TRACE("returning 0x%08x (input was %s, output is %s)\n", hr,
2087      debugstr_w(szSrc), debugstr_w(szDest));
2088     return hr;
2089 }
2090
2091 /*************************************************************************
2092  * SHGetFolderPathW                     [SHELL32.@]
2093  *
2094  * Convert nFolder to path.
2095  *
2096  * RETURNS
2097  *  Success: S_OK
2098  *  Failure: standard HRESULT error codes.
2099  *
2100  * NOTES
2101  * Most values can be overridden in either
2102  * HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders
2103  * or in the same location in HKLM.
2104  * The "Shell Folders" registry key was used in NT4 and earlier systems.
2105  * Beginning with Windows 2000, the "User Shell Folders" key is used, so
2106  * changes made to it are made to the former key too.  This synchronization is
2107  * done on-demand: not until someone requests the value of one of these paths
2108  * (by calling one of the SHGet functions) is the value synchronized.
2109  * Furthermore, the HKCU paths take precedence over the HKLM paths.
2110  */
2111 HRESULT WINAPI SHGetFolderPathW(
2112         HWND hwndOwner,    /* [I] owner window */
2113         int nFolder,       /* [I] CSIDL identifying the folder */
2114         HANDLE hToken,     /* [I] access token */
2115         DWORD dwFlags,     /* [I] which path to return */
2116         LPWSTR pszPath)    /* [O] converted path */
2117 {
2118     HRESULT hr =  SHGetFolderPathAndSubDirW(hwndOwner, nFolder, hToken, dwFlags, NULL, pszPath);
2119     if(HRESULT_FROM_WIN32(ERROR_PATH_NOT_FOUND) == hr)
2120         hr = HRESULT_FROM_WIN32(ERROR_FILE_NOT_FOUND);
2121     return hr;
2122 }
2123
2124 HRESULT WINAPI SHGetFolderPathAndSubDirA(
2125         HWND hwndOwner,    /* [I] owner window */
2126         int nFolder,       /* [I] CSIDL identifying the folder */
2127         HANDLE hToken,     /* [I] access token */
2128         DWORD dwFlags,     /* [I] which path to return */
2129         LPCSTR pszSubPath, /* [I] sub directory of the specified folder */
2130         LPSTR pszPath)     /* [O] converted path */
2131 {
2132     int length;
2133     HRESULT hr = S_OK;
2134     LPWSTR pszSubPathW = NULL;
2135     LPWSTR pszPathW = NULL;
2136     TRACE("%08x,%08x,%s\n",nFolder, dwFlags, debugstr_w(pszSubPathW));
2137
2138     if(pszPath) {
2139         pszPathW = HeapAlloc(GetProcessHeap(), 0, MAX_PATH * sizeof(WCHAR));
2140         if(!pszPathW) {
2141             hr = HRESULT_FROM_WIN32(ERROR_NOT_ENOUGH_MEMORY);
2142             goto cleanup;
2143         }
2144     }
2145     TRACE("%08x,%08x,%s\n",nFolder, dwFlags, debugstr_w(pszSubPathW));
2146
2147     /* SHGetFolderPathAndSubDirW does not distinguish if pszSubPath isn't
2148      * set (null), or an empty string.therefore call it without the parameter set
2149      * if pszSubPath is an empty string
2150      */
2151     if (pszSubPath && pszSubPath[0]) {
2152         length = MultiByteToWideChar(CP_ACP, 0, pszSubPath, -1, NULL, 0);
2153         pszSubPathW = HeapAlloc(GetProcessHeap(), 0, length * sizeof(WCHAR));
2154         if(!pszSubPathW) {
2155             hr = HRESULT_FROM_WIN32(ERROR_NOT_ENOUGH_MEMORY);
2156             goto cleanup;
2157         }
2158         MultiByteToWideChar(CP_ACP, 0, pszSubPath, -1, pszSubPathW, length);
2159     }
2160
2161     hr = SHGetFolderPathAndSubDirW(hwndOwner, nFolder, hToken, dwFlags, pszSubPathW, pszPathW);
2162
2163     if (SUCCEEDED(hr) && pszPath)
2164         WideCharToMultiByte(CP_ACP, 0, pszPathW, -1, pszPath, MAX_PATH, NULL, NULL);
2165
2166 cleanup:
2167     HeapFree(GetProcessHeap(), 0, pszPathW);
2168     HeapFree(GetProcessHeap(), 0, pszSubPathW);
2169     return hr;
2170 }
2171
2172 /*************************************************************************
2173  * SHGetFolderPathAndSubDirW            [SHELL32.@]
2174  */
2175 HRESULT WINAPI SHGetFolderPathAndSubDirW(
2176         HWND hwndOwner,    /* [I] owner window */
2177         int nFolder,       /* [I] CSIDL identifying the folder */
2178         HANDLE hToken,     /* [I] access token */
2179         DWORD dwFlags,     /* [I] which path to return */
2180         LPCWSTR pszSubPath,/* [I] sub directory of the specified folder */
2181         LPWSTR pszPath)    /* [O] converted path */
2182 {
2183     HRESULT    hr;
2184     WCHAR      szBuildPath[MAX_PATH], szTemp[MAX_PATH];
2185     DWORD      folder = nFolder & CSIDL_FOLDER_MASK;
2186     CSIDL_Type type;
2187     int        ret;
2188
2189     TRACE("%p,%p,nFolder=0x%04x,%s\n", hwndOwner,pszPath,nFolder,debugstr_w(pszSubPath));
2190
2191     /* Windows always NULL-terminates the resulting path regardless of success
2192      * or failure, so do so first
2193      */
2194     if (pszPath)
2195         *pszPath = '\0';
2196
2197     if (folder >= sizeof(CSIDL_Data) / sizeof(CSIDL_Data[0]))
2198         return E_INVALIDARG;
2199     if ((SHGFP_TYPE_CURRENT != dwFlags) && (SHGFP_TYPE_DEFAULT != dwFlags))
2200         return E_INVALIDARG;
2201     szTemp[0] = 0;
2202     type = CSIDL_Data[folder].type;
2203     switch (type)
2204     {
2205         case CSIDL_Type_Disallowed:
2206             hr = E_INVALIDARG;
2207             break;
2208         case CSIDL_Type_NonExistent:
2209             hr = S_FALSE;
2210             break;
2211         case CSIDL_Type_WindowsPath:
2212             GetWindowsDirectoryW(szTemp, MAX_PATH);
2213             if (CSIDL_Data[folder].szDefaultPath &&
2214              !IS_INTRESOURCE(CSIDL_Data[folder].szDefaultPath) &&
2215              *CSIDL_Data[folder].szDefaultPath)
2216             {
2217                 PathAddBackslashW(szTemp);
2218                 strcatW(szTemp, CSIDL_Data[folder].szDefaultPath);
2219             }
2220             hr = S_OK;
2221             break;
2222         case CSIDL_Type_SystemPath:
2223             GetSystemDirectoryW(szTemp, MAX_PATH);
2224             if (CSIDL_Data[folder].szDefaultPath &&
2225              !IS_INTRESOURCE(CSIDL_Data[folder].szDefaultPath) &&
2226              *CSIDL_Data[folder].szDefaultPath)
2227             {
2228                 PathAddBackslashW(szTemp);
2229                 strcatW(szTemp, CSIDL_Data[folder].szDefaultPath);
2230             }
2231             hr = S_OK;
2232             break;
2233         case CSIDL_Type_SystemX86Path:
2234             if (!GetSystemWow64DirectoryW(szTemp, MAX_PATH)) GetSystemDirectoryW(szTemp, MAX_PATH);
2235             if (CSIDL_Data[folder].szDefaultPath &&
2236              !IS_INTRESOURCE(CSIDL_Data[folder].szDefaultPath) &&
2237              *CSIDL_Data[folder].szDefaultPath)
2238             {
2239                 PathAddBackslashW(szTemp);
2240                 strcatW(szTemp, CSIDL_Data[folder].szDefaultPath);
2241             }
2242             hr = S_OK;
2243             break;
2244         case CSIDL_Type_CurrVer:
2245             hr = _SHGetCurrentVersionPath(dwFlags, folder, szTemp);
2246             break;
2247         case CSIDL_Type_User:
2248             hr = _SHGetUserProfilePath(hToken, dwFlags, folder, szTemp);
2249             break;
2250         case CSIDL_Type_AllUsers:
2251             hr = _SHGetAllUsersProfilePath(dwFlags, folder, szTemp);
2252             break;
2253         default:
2254             FIXME("bogus type %d, please fix\n", type);
2255             hr = E_INVALIDARG;
2256             break;
2257     }
2258
2259     /* Expand environment strings if necessary */
2260     if (*szTemp == '%')
2261         hr = _SHExpandEnvironmentStrings(szTemp, szBuildPath);
2262     else
2263         strcpyW(szBuildPath, szTemp);
2264
2265     if (FAILED(hr)) goto end;
2266
2267     if(pszSubPath) {
2268         /* make sure the new path does not exceed th bufferlength
2269          * rememebr to backslash and the termination */
2270         if(MAX_PATH < (lstrlenW(szBuildPath) + lstrlenW(pszSubPath) + 2)) {
2271             hr = HRESULT_FROM_WIN32(ERROR_FILENAME_EXCED_RANGE);
2272             goto end;
2273         }
2274         PathAppendW(szBuildPath, pszSubPath);
2275         PathRemoveBackslashW(szBuildPath);
2276     }
2277     /* Copy the path if it's available before we might return */
2278     if (SUCCEEDED(hr) && pszPath)
2279         strcpyW(pszPath, szBuildPath);
2280
2281     /* if we don't care about existing directories we are ready */
2282     if(nFolder & CSIDL_FLAG_DONT_VERIFY) goto end;
2283
2284     if (PathFileExistsW(szBuildPath)) goto end;
2285
2286     /* not existing but we are not allowed to create it.  The return value
2287      * is verified against shell32 version 6.0.
2288      */
2289     if (!(nFolder & CSIDL_FLAG_CREATE))
2290     {
2291         hr = HRESULT_FROM_WIN32(ERROR_PATH_NOT_FOUND);
2292         goto end;
2293     }
2294
2295     /* create directory/directories */
2296     ret = SHCreateDirectoryExW(hwndOwner, szBuildPath, NULL);
2297     if (ret && ret != ERROR_ALREADY_EXISTS)
2298     {
2299         ERR("Failed to create directory %s.\n", debugstr_w(szBuildPath));
2300         hr = E_FAIL;
2301         goto end;
2302     }
2303
2304     TRACE("Created missing system directory %s\n", debugstr_w(szBuildPath));
2305 end:
2306     TRACE("returning 0x%08x (final path is %s)\n", hr, debugstr_w(szBuildPath));
2307     return hr;
2308 }
2309
2310 /*************************************************************************
2311  * SHGetFolderPathA                     [SHELL32.@]
2312  *
2313  * See SHGetFolderPathW.
2314  */
2315 HRESULT WINAPI SHGetFolderPathA(
2316         HWND hwndOwner,
2317         int nFolder,
2318         HANDLE hToken,
2319         DWORD dwFlags,
2320         LPSTR pszPath)
2321 {
2322     WCHAR szTemp[MAX_PATH];
2323     HRESULT hr;
2324
2325     TRACE("%p,%p,nFolder=0x%04x\n",hwndOwner,pszPath,nFolder);
2326
2327     if (pszPath)
2328         *pszPath = '\0';
2329     hr = SHGetFolderPathW(hwndOwner, nFolder, hToken, dwFlags, szTemp);
2330     if (SUCCEEDED(hr) && pszPath)
2331         WideCharToMultiByte(CP_ACP, 0, szTemp, -1, pszPath, MAX_PATH, NULL,
2332          NULL);
2333
2334     return hr;
2335 }
2336
2337 /* For each folder in folders, if its value has not been set in the registry,
2338  * calls _SHGetUserProfilePath or _SHGetAllUsersProfilePath (depending on the
2339  * folder's type) to get the unexpanded value first.
2340  * Writes the unexpanded value to User Shell Folders, and queries it with
2341  * SHGetFolderPathW to force the creation of the directory if it doesn't
2342  * already exist.  SHGetFolderPathW also returns the expanded value, which
2343  * this then writes to Shell Folders.
2344  */
2345 static HRESULT _SHRegisterFolders(HKEY hRootKey, HANDLE hToken,
2346  LPCWSTR szUserShellFolderPath, LPCWSTR szShellFolderPath, const UINT folders[],
2347  UINT foldersLen)
2348 {
2349     UINT i;
2350     WCHAR path[MAX_PATH];
2351     HRESULT hr = S_OK;
2352     HKEY hUserKey = NULL, hKey = NULL;
2353     DWORD dwType, dwPathLen;
2354     LONG ret;
2355
2356     TRACE("%p,%p,%s,%p,%u\n", hRootKey, hToken,
2357      debugstr_w(szUserShellFolderPath), folders, foldersLen);
2358
2359     ret = RegCreateKeyW(hRootKey, szUserShellFolderPath, &hUserKey);
2360     if (ret)
2361         hr = HRESULT_FROM_WIN32(ret);
2362     else
2363     {
2364         ret = RegCreateKeyW(hRootKey, szShellFolderPath, &hKey);
2365         if (ret)
2366             hr = HRESULT_FROM_WIN32(ret);
2367     }
2368     for (i = 0; SUCCEEDED(hr) && i < foldersLen; i++)
2369     {
2370         dwPathLen = MAX_PATH * sizeof(WCHAR);
2371         if (RegQueryValueExW(hUserKey, CSIDL_Data[folders[i]].szValueName, NULL,
2372          &dwType, (LPBYTE)path, &dwPathLen) || (dwType != REG_SZ &&
2373          dwType != REG_EXPAND_SZ))
2374         {
2375             *path = '\0';
2376             if (CSIDL_Data[folders[i]].type == CSIDL_Type_User)
2377                 _SHGetUserProfilePath(hToken, SHGFP_TYPE_DEFAULT, folders[i],
2378                  path);
2379             else if (CSIDL_Data[folders[i]].type == CSIDL_Type_AllUsers)
2380                 _SHGetAllUsersProfilePath(SHGFP_TYPE_DEFAULT, folders[i], path);
2381             else if (CSIDL_Data[folders[i]].type == CSIDL_Type_WindowsPath)
2382             {
2383                 GetWindowsDirectoryW(path, MAX_PATH);
2384                 if (CSIDL_Data[folders[i]].szDefaultPath &&
2385                     !IS_INTRESOURCE(CSIDL_Data[folders[i]].szDefaultPath))
2386                 {
2387                     PathAddBackslashW(path);
2388                     strcatW(path, CSIDL_Data[folders[i]].szDefaultPath);
2389                 }
2390             }
2391             else
2392                 hr = E_FAIL;
2393             if (*path)
2394             {
2395                 ret = RegSetValueExW(hUserKey,
2396                  CSIDL_Data[folders[i]].szValueName, 0, REG_EXPAND_SZ,
2397                  (LPBYTE)path, (strlenW(path) + 1) * sizeof(WCHAR));
2398                 if (ret)
2399                     hr = HRESULT_FROM_WIN32(ret);
2400                 else
2401                 {
2402                     hr = SHGetFolderPathW(NULL, folders[i] | CSIDL_FLAG_CREATE,
2403                      hToken, SHGFP_TYPE_DEFAULT, path);
2404                     ret = RegSetValueExW(hKey,
2405                      CSIDL_Data[folders[i]].szValueName, 0, REG_SZ,
2406                      (LPBYTE)path, (strlenW(path) + 1) * sizeof(WCHAR));
2407                     if (ret)
2408                         hr = HRESULT_FROM_WIN32(ret);
2409                 }
2410             }
2411         }
2412     }
2413     if (hUserKey)
2414         RegCloseKey(hUserKey);
2415     if (hKey)
2416         RegCloseKey(hKey);
2417
2418     TRACE("returning 0x%08x\n", hr);
2419     return hr;
2420 }
2421
2422 static HRESULT _SHRegisterUserShellFolders(BOOL bDefault)
2423 {
2424     static const UINT folders[] = {
2425      CSIDL_PROGRAMS,
2426      CSIDL_PERSONAL,
2427      CSIDL_FAVORITES,
2428      CSIDL_APPDATA,
2429      CSIDL_STARTUP,
2430      CSIDL_RECENT,
2431      CSIDL_SENDTO,
2432      CSIDL_STARTMENU,
2433      CSIDL_MYMUSIC,
2434      CSIDL_MYVIDEO,
2435      CSIDL_DESKTOPDIRECTORY,
2436      CSIDL_NETHOOD,
2437      CSIDL_TEMPLATES,
2438      CSIDL_PRINTHOOD,
2439      CSIDL_LOCAL_APPDATA,
2440      CSIDL_INTERNET_CACHE,
2441      CSIDL_COOKIES,
2442      CSIDL_HISTORY,
2443      CSIDL_MYPICTURES,
2444      CSIDL_FONTS
2445     };
2446     WCHAR userShellFolderPath[MAX_PATH], shellFolderPath[MAX_PATH];
2447     LPCWSTR pUserShellFolderPath, pShellFolderPath;
2448     HRESULT hr = S_OK;
2449     HKEY hRootKey;
2450     HANDLE hToken;
2451
2452     TRACE("%s\n", bDefault ? "TRUE" : "FALSE");
2453     if (bDefault)
2454     {
2455         hToken = (HANDLE)-1;
2456         hRootKey = HKEY_USERS;
2457         strcpyW(userShellFolderPath, DefaultW);
2458         PathAddBackslashW(userShellFolderPath);
2459         strcatW(userShellFolderPath, szSHUserFolders);
2460         pUserShellFolderPath = userShellFolderPath;
2461         strcpyW(shellFolderPath, DefaultW);
2462         PathAddBackslashW(shellFolderPath);
2463         strcatW(shellFolderPath, szSHFolders);
2464         pShellFolderPath = shellFolderPath;
2465     }
2466     else
2467     {
2468         hToken = NULL;
2469         hRootKey = HKEY_CURRENT_USER;
2470         pUserShellFolderPath = szSHUserFolders;
2471         pShellFolderPath = szSHFolders;
2472     }
2473
2474     hr = _SHRegisterFolders(hRootKey, hToken, pUserShellFolderPath,
2475      pShellFolderPath, folders, sizeof(folders) / sizeof(folders[0]));
2476     TRACE("returning 0x%08x\n", hr);
2477     return hr;
2478 }
2479
2480 static HRESULT _SHRegisterCommonShellFolders(void)
2481 {
2482     static const UINT folders[] = {
2483      CSIDL_COMMON_STARTMENU,
2484      CSIDL_COMMON_PROGRAMS,
2485      CSIDL_COMMON_STARTUP,
2486      CSIDL_COMMON_DESKTOPDIRECTORY,
2487      CSIDL_COMMON_FAVORITES,
2488      CSIDL_COMMON_APPDATA,
2489      CSIDL_COMMON_TEMPLATES,
2490      CSIDL_COMMON_DOCUMENTS,
2491      CSIDL_COMMON_ADMINTOOLS,
2492      CSIDL_COMMON_MUSIC,
2493      CSIDL_COMMON_PICTURES,
2494      CSIDL_COMMON_VIDEO,
2495     };
2496     HRESULT hr;
2497
2498     TRACE("\n");
2499     hr = _SHRegisterFolders(HKEY_LOCAL_MACHINE, NULL, szSHUserFolders,
2500      szSHFolders, folders, sizeof(folders) / sizeof(folders[0]));
2501     TRACE("returning 0x%08x\n", hr);
2502     return hr;
2503 }
2504
2505 /******************************************************************************
2506  * _SHAppendToUnixPath  [Internal]
2507  *
2508  * Helper function for _SHCreateSymbolicLinks. Appends pwszSubPath (or the
2509  * corresponding resource, if IS_INTRESOURCE) to the unix base path 'szBasePath'
2510  * and replaces backslashes with slashes.
2511  *
2512  * PARAMS
2513  *  szBasePath  [IO] The unix base path, which will be appended to (CP_UNXICP).
2514  *  pwszSubPath [I]  Sub-path or resource id (use MAKEINTRESOURCEW).
2515  *
2516  * RETURNS
2517  *  Success: TRUE,
2518  *  Failure: FALSE
2519  */
2520 static inline BOOL _SHAppendToUnixPath(char *szBasePath, LPCWSTR pwszSubPath) {
2521     WCHAR wszSubPath[MAX_PATH];
2522     int cLen = strlen(szBasePath);
2523     char *pBackslash;
2524
2525     if (IS_INTRESOURCE(pwszSubPath)) {
2526         if (!LoadStringW(shell32_hInstance, LOWORD(pwszSubPath), wszSubPath, MAX_PATH)) {
2527             /* Fall back to hard coded defaults. */
2528             switch (LOWORD(pwszSubPath)) {
2529                 case IDS_PERSONAL:
2530                     lstrcpyW(wszSubPath, PersonalW);
2531                     break;
2532                 case IDS_MYMUSIC:
2533                     lstrcpyW(wszSubPath, My_MusicW);
2534                     break;
2535                 case IDS_MYPICTURES:
2536                     lstrcpyW(wszSubPath, My_PicturesW);
2537                     break;
2538                 case IDS_MYVIDEOS:
2539                     lstrcpyW(wszSubPath, My_VideosW);
2540                     break;
2541                 default:
2542                     ERR("LoadString(%d) failed!\n", LOWORD(pwszSubPath));
2543                     return FALSE;
2544             }
2545         }
2546     } else {
2547         lstrcpyW(wszSubPath, pwszSubPath);
2548     }
2549
2550     if (szBasePath[cLen-1] != '/') szBasePath[cLen++] = '/';
2551
2552     if (!WideCharToMultiByte(CP_UNIXCP, 0, wszSubPath, -1, szBasePath + cLen,
2553                              FILENAME_MAX - cLen, NULL, NULL))
2554     {
2555         return FALSE;
2556     }
2557
2558     pBackslash = szBasePath + cLen;
2559     while ((pBackslash = strchr(pBackslash, '\\'))) *pBackslash = '/';
2560
2561     return TRUE;
2562 }
2563
2564 /******************************************************************************
2565  * _SHCreateSymbolicLinks  [Internal]
2566  *
2567  * Sets up symbol links for various shell folders to point into the users home
2568  * directory. We do an educated guess about what the user would probably want:
2569  * - If there is a 'My Documents' directory in $HOME, the user probably wants
2570  *   wine's 'My Documents' to point there. Furthermore, we imply that the user
2571  *   is a Windows lover and has no problem with wine creating 'My Pictures',
2572  *   'My Music' and 'My Videos' subfolders under '$HOME/My Documents', if those
2573  *   do not already exits. We put appropriate symbolic links in place for those,
2574  *   too.
2575  * - If there is no 'My Documents' directory in $HOME, we let 'My Documents'
2576  *   point directly to $HOME. We assume the user to be a unix hacker who does not
2577  *   want wine to create anything anywhere besides the .wine directory. So, if
2578  *   there already is a 'My Music' directory in $HOME, we symlink the 'My Music'
2579  *   shell folder to it. But if not, then we check XDG_MUSIC_DIR - "well known"
2580  *   directory, and try to link to that. If that fails, then we symlink to
2581  *   $HOME directly. The same holds fo 'My Pictures' and 'My Videos'.
2582  * - The Desktop shell folder is symlinked to XDG_DESKTOP_DIR. If that does not
2583  *   exist, then we try '$HOME/Desktop'. If that does not exist, then we leave
2584  *   it alone.
2585  * ('My Music',... above in fact means LoadString(IDS_MYMUSIC))
2586  */
2587 static void _SHCreateSymbolicLinks(void)
2588 {
2589     UINT aidsMyStuff[] = { IDS_MYPICTURES, IDS_MYVIDEOS, IDS_MYMUSIC }, i;
2590     int acsidlMyStuff[] = { CSIDL_MYPICTURES, CSIDL_MYVIDEO, CSIDL_MYMUSIC };
2591     static const char * const xdg_dirs[] = { "PICTURES", "VIDEOS", "MUSIC", "DESKTOP" };
2592     static const unsigned int num = sizeof(xdg_dirs) / sizeof(xdg_dirs[0]);
2593     WCHAR wszTempPath[MAX_PATH];
2594     char szPersonalTarget[FILENAME_MAX], *pszPersonal;
2595     char szMyStuffTarget[FILENAME_MAX], *pszMyStuff;
2596     char szDesktopTarget[FILENAME_MAX], *pszDesktop;
2597     struct stat statFolder;
2598     const char *pszHome;
2599     HRESULT hr;
2600     char ** xdg_results;
2601     char * xdg_desktop_dir;
2602
2603     /* Create all necessary profile sub-dirs up to 'My Documents' and get the unix path. */
2604     hr = SHGetFolderPathW(NULL, CSIDL_PERSONAL|CSIDL_FLAG_CREATE, NULL,
2605                           SHGFP_TYPE_DEFAULT, wszTempPath);
2606     if (FAILED(hr)) return;
2607     pszPersonal = wine_get_unix_file_name(wszTempPath);
2608     if (!pszPersonal) return;
2609
2610     hr = XDG_UserDirLookup(xdg_dirs, num, &xdg_results);
2611     if (FAILED(hr)) xdg_results = NULL;
2612
2613     pszHome = getenv("HOME");
2614     if (pszHome && !stat(pszHome, &statFolder) && S_ISDIR(statFolder.st_mode)) {
2615         strcpy(szPersonalTarget, pszHome);
2616         if (_SHAppendToUnixPath(szPersonalTarget, MAKEINTRESOURCEW(IDS_PERSONAL)) &&
2617             !stat(szPersonalTarget, &statFolder) && S_ISDIR(statFolder.st_mode))
2618         {
2619             /* '$HOME/My Documents' exists. Create 'My Pictures', 'My Videos' and
2620              * 'My Music' subfolders or fail silently if they already exist. */
2621             for (i = 0; i < sizeof(aidsMyStuff)/sizeof(aidsMyStuff[0]); i++) {
2622                 strcpy(szMyStuffTarget, szPersonalTarget);
2623                 if (_SHAppendToUnixPath(szMyStuffTarget, MAKEINTRESOURCEW(aidsMyStuff[i])))
2624                     mkdir(szMyStuffTarget, 0777);
2625             }
2626         }
2627         else
2628         {
2629             /* '$HOME/My Documents' doesn't exists, but '$HOME' does. */
2630             strcpy(szPersonalTarget, pszHome);
2631         }
2632
2633         /* Replace 'My Documents' directory with a symlink of fail silently if not empty. */
2634         rmdir(pszPersonal);
2635         symlink(szPersonalTarget, pszPersonal);
2636     }
2637     else
2638     {
2639         /* '$HOME' doesn't exist. Create 'My Pictures', 'My Videos' and 'My Music' subdirs
2640          * in '%USERPROFILE%\\My Documents' or fail silently if they already exist. */
2641         strcpy(szPersonalTarget, pszPersonal);
2642         for (i = 0; i < sizeof(aidsMyStuff)/sizeof(aidsMyStuff[0]); i++) {
2643             strcpy(szMyStuffTarget, szPersonalTarget);
2644             if (_SHAppendToUnixPath(szMyStuffTarget, MAKEINTRESOURCEW(aidsMyStuff[i])))
2645                 mkdir(szMyStuffTarget, 0777);
2646         }
2647     }
2648
2649     /* Create symbolic links for 'My Pictures', 'My Videos' and 'My Music'. */
2650     for (i=0; i < sizeof(aidsMyStuff)/sizeof(aidsMyStuff[0]); i++) {
2651         /* Create the current 'My Whatever' folder and get it's unix path. */
2652         hr = SHGetFolderPathW(NULL, acsidlMyStuff[i]|CSIDL_FLAG_CREATE, NULL,
2653                               SHGFP_TYPE_DEFAULT, wszTempPath);
2654         if (FAILED(hr)) continue;
2655         pszMyStuff = wine_get_unix_file_name(wszTempPath);
2656         if (!pszMyStuff) continue;
2657
2658         strcpy(szMyStuffTarget, szPersonalTarget);
2659         if (_SHAppendToUnixPath(szMyStuffTarget, MAKEINTRESOURCEW(aidsMyStuff[i])) &&
2660             !stat(szMyStuffTarget, &statFolder) && S_ISDIR(statFolder.st_mode))
2661         {
2662             /* If there's a 'My Whatever' directory where 'My Documents' links to, link to it. */
2663             rmdir(pszMyStuff);
2664             symlink(szMyStuffTarget, pszMyStuff);
2665         }
2666         else
2667         {
2668             rmdir(pszMyStuff);
2669             if (xdg_results && xdg_results[i])
2670             {
2671                 /* the folder specified by XDG_XXX_DIR exists, link to it. */
2672                 symlink(xdg_results[i], pszMyStuff);
2673             }
2674             else
2675             {
2676                 /* Else link to where 'My Documents' itself links to. */
2677                 symlink(szPersonalTarget, pszMyStuff);
2678             }
2679         }
2680         HeapFree(GetProcessHeap(), 0, pszMyStuff);
2681     }
2682
2683     /* Last but not least, the Desktop folder */
2684     if (pszHome)
2685         strcpy(szDesktopTarget, pszHome);
2686     else
2687         strcpy(szDesktopTarget, pszPersonal);
2688     HeapFree(GetProcessHeap(), 0, pszPersonal);
2689
2690     xdg_desktop_dir = xdg_results ? xdg_results[num - 1] : NULL;
2691     if (xdg_desktop_dir ||
2692         (_SHAppendToUnixPath(szDesktopTarget, DesktopW) &&
2693         !stat(szDesktopTarget, &statFolder) && S_ISDIR(statFolder.st_mode)))
2694     {
2695         hr = SHGetFolderPathW(NULL, CSIDL_DESKTOPDIRECTORY|CSIDL_FLAG_CREATE, NULL,
2696                               SHGFP_TYPE_DEFAULT, wszTempPath);
2697         if (SUCCEEDED(hr) && (pszDesktop = wine_get_unix_file_name(wszTempPath)))
2698         {
2699             rmdir(pszDesktop);
2700             if (xdg_desktop_dir)
2701                 symlink(xdg_desktop_dir, pszDesktop);
2702             else
2703                 symlink(szDesktopTarget, pszDesktop);
2704             HeapFree(GetProcessHeap(), 0, pszDesktop);
2705         }
2706     }
2707
2708     /* Free resources allocated by XDG_UserDirLookup() */
2709     if (xdg_results)
2710     {
2711         for (i = 0; i < num; i++)
2712             HeapFree(GetProcessHeap(), 0, xdg_results[i]);
2713         HeapFree(GetProcessHeap(), 0, xdg_results);
2714     }
2715 }
2716
2717 /******************************************************************************
2718  * create_extra_folders  [Internal]
2719  *
2720  * Create some extra folders that don't have a standard CSIDL definition.
2721  */
2722 static HRESULT create_extra_folders(void)
2723 {
2724     static const WCHAR environW[] = {'E','n','v','i','r','o','n','m','e','n','t',0};
2725     static const WCHAR TempW[]    = {'T','e','m','p',0};
2726     static const WCHAR TEMPW[]    = {'T','E','M','P',0};
2727     static const WCHAR TMPW[]     = {'T','M','P',0};
2728     WCHAR path[MAX_PATH+5];
2729     HRESULT hr;
2730     HKEY hkey;
2731     DWORD type, size, ret;
2732
2733     ret = RegCreateKeyW( HKEY_CURRENT_USER, environW, &hkey );
2734     if (ret) return HRESULT_FROM_WIN32( ret );
2735
2736     /* FIXME: should be under AppData, but we don't want spaces in the temp path */
2737     hr = SHGetFolderPathAndSubDirW( 0, CSIDL_PROFILE | CSIDL_FLAG_CREATE, NULL,
2738                                     SHGFP_TYPE_DEFAULT, TempW, path );
2739     if (SUCCEEDED(hr))
2740     {
2741         size = sizeof(path);
2742         if (RegQueryValueExW( hkey, TEMPW, NULL, &type, (LPBYTE)path, &size ))
2743             RegSetValueExW( hkey, TEMPW, 0, REG_SZ, (LPBYTE)path, (strlenW(path) + 1) * sizeof(WCHAR) );
2744         size = sizeof(path);
2745         if (RegQueryValueExW( hkey, TMPW, NULL, &type, (LPBYTE)path, &size ))
2746             RegSetValueExW( hkey, TMPW, 0, REG_SZ, (LPBYTE)path, (strlenW(path) + 1) * sizeof(WCHAR) );
2747     }
2748     RegCloseKey( hkey );
2749     return hr;
2750 }
2751
2752
2753 /******************************************************************************
2754  * set_folder_attributes
2755  *
2756  * Set the various folder attributes registry keys.
2757  */
2758 static HRESULT set_folder_attributes(void)
2759 {
2760     static const WCHAR clsidW[] = {'C','L','S','I','D','\\',0 };
2761     static const WCHAR shellfolderW[] = {'\\','S','h','e','l','l','F','o','l','d','e','r', 0 };
2762     static const WCHAR wfparsingW[] = {'W','a','n','t','s','F','O','R','P','A','R','S','I','N','G',0};
2763     static const WCHAR wfdisplayW[] = {'W','a','n','t','s','F','O','R','D','I','S','P','L','A','Y',0};
2764     static const WCHAR hideasdeleteW[] = {'H','i','d','e','A','s','D','e','l','e','t','e','P','e','r','U','s','e','r',0};
2765     static const WCHAR attributesW[] = {'A','t','t','r','i','b','u','t','e','s',0};
2766     static const WCHAR cfattributesW[] = {'C','a','l','l','F','o','r','A','t','t','r','i','b','u','t','e','s',0};
2767     static const WCHAR emptyW[] = {0};
2768
2769     static const struct
2770     {
2771         const CLSID *clsid;
2772         BOOL wfparsing : 1;
2773         BOOL wfdisplay : 1;
2774         BOOL hideasdel : 1;
2775         DWORD attr;
2776         DWORD call_for_attr;
2777     } folders[] =
2778     {
2779         { &CLSID_UnixFolder, TRUE, FALSE, FALSE },
2780         { &CLSID_UnixDosFolder, TRUE, FALSE, FALSE,
2781           SFGAO_FILESYSANCESTOR|SFGAO_FOLDER|SFGAO_HASSUBFOLDER, SFGAO_FILESYSTEM },
2782         { &CLSID_FolderShortcut, FALSE, FALSE, FALSE,
2783           SFGAO_FILESYSTEM|SFGAO_FOLDER|SFGAO_LINK,
2784           SFGAO_HASSUBFOLDER|SFGAO_FILESYSTEM|SFGAO_FOLDER|SFGAO_FILESYSANCESTOR },
2785         { &CLSID_MyDocuments, TRUE, FALSE, FALSE,
2786           SFGAO_FILESYSANCESTOR|SFGAO_FOLDER|SFGAO_HASSUBFOLDER, SFGAO_FILESYSTEM },
2787         { &CLSID_RecycleBin, FALSE, FALSE, FALSE,
2788           SFGAO_FOLDER|SFGAO_DROPTARGET|SFGAO_HASPROPSHEET },
2789         { &CLSID_ControlPanel, FALSE, TRUE, TRUE,
2790           SFGAO_FOLDER|SFGAO_HASSUBFOLDER }
2791     };
2792
2793     unsigned int i;
2794     WCHAR buffer[39 + (sizeof(clsidW) + sizeof(shellfolderW)) / sizeof(WCHAR)];
2795     LONG res;
2796     HKEY hkey;
2797
2798     for (i = 0; i < sizeof(folders)/sizeof(folders[0]); i++)
2799     {
2800         strcpyW( buffer, clsidW );
2801         StringFromGUID2( folders[i].clsid, buffer + strlenW(buffer), 39 );
2802         strcatW( buffer, shellfolderW );
2803         res = RegCreateKeyExW( HKEY_CLASSES_ROOT, buffer, 0, NULL, 0,
2804                                KEY_READ | KEY_WRITE, NULL, &hkey, NULL);
2805         if (res) return HRESULT_FROM_WIN32( res );
2806         if (folders[i].wfparsing)
2807             res = RegSetValueExW( hkey, wfparsingW, 0, REG_SZ, (const BYTE *)emptyW, sizeof(emptyW) );
2808         if (folders[i].wfdisplay)
2809             res = RegSetValueExW( hkey, wfdisplayW, 0, REG_SZ, (const BYTE *)emptyW, sizeof(emptyW) );
2810         if (folders[i].hideasdel)
2811             res = RegSetValueExW( hkey, hideasdeleteW, 0, REG_SZ, (const BYTE *)emptyW, sizeof(emptyW) );
2812         if (folders[i].attr)
2813             res = RegSetValueExW( hkey, attributesW, 0, REG_DWORD,
2814                                   (const BYTE *)&folders[i].attr, sizeof(DWORD));
2815         if (folders[i].call_for_attr)
2816             res = RegSetValueExW( hkey, cfattributesW, 0, REG_DWORD,
2817                                  (const BYTE *)&folders[i].call_for_attr, sizeof(DWORD));
2818         RegCloseKey( hkey );
2819     }
2820     return S_OK;
2821 }
2822
2823
2824 /* Register the default values in the registry, as some apps seem to depend
2825  * on their presence.  The set registered was taken from Windows XP.
2826  */
2827 HRESULT SHELL_RegisterShellFolders(void)
2828 {
2829     HRESULT hr;
2830
2831     /* Set up '$HOME' targeted symlinks for 'My Documents', 'My Pictures',
2832      * 'My Videos', 'My Music' and 'Desktop' in advance, so that the
2833      * _SHRegister*ShellFolders() functions will find everything nice and clean
2834      * and thus will not attempt to create them in the profile directory. */
2835     _SHCreateSymbolicLinks();
2836
2837     hr = _SHRegisterUserShellFolders(TRUE);
2838     if (SUCCEEDED(hr))
2839         hr = _SHRegisterUserShellFolders(FALSE);
2840     if (SUCCEEDED(hr))
2841         hr = _SHRegisterCommonShellFolders();
2842     if (SUCCEEDED(hr))
2843         hr = create_extra_folders();
2844     if (SUCCEEDED(hr))
2845         hr = set_folder_attributes();
2846     return hr;
2847 }
2848
2849 /*************************************************************************
2850  * SHGetSpecialFolderPathA [SHELL32.@]
2851  */
2852 BOOL WINAPI SHGetSpecialFolderPathA (
2853         HWND hwndOwner,
2854         LPSTR szPath,
2855         int nFolder,
2856         BOOL bCreate)
2857 {
2858         return (SHGetFolderPathA(
2859                 hwndOwner,
2860                 nFolder + (bCreate ? CSIDL_FLAG_CREATE : 0),
2861                 NULL,
2862                 0,
2863                 szPath)) == S_OK ? TRUE : FALSE;
2864 }
2865
2866 /*************************************************************************
2867  * SHGetSpecialFolderPathW
2868  */
2869 BOOL WINAPI SHGetSpecialFolderPathW (
2870         HWND hwndOwner,
2871         LPWSTR szPath,
2872         int nFolder,
2873         BOOL bCreate)
2874 {
2875         return (SHGetFolderPathW(
2876                 hwndOwner,
2877                 nFolder + (bCreate ? CSIDL_FLAG_CREATE : 0),
2878                 NULL,
2879                 0,
2880                 szPath)) == S_OK ? TRUE : FALSE;
2881 }
2882
2883 /*************************************************************************
2884  * SHGetSpecialFolderPath (SHELL32.175)
2885  */
2886 BOOL WINAPI SHGetSpecialFolderPathAW (
2887         HWND hwndOwner,
2888         LPVOID szPath,
2889         int nFolder,
2890         BOOL bCreate)
2891
2892 {
2893         if (SHELL_OsIsUnicode())
2894           return SHGetSpecialFolderPathW (hwndOwner, szPath, nFolder, bCreate);
2895         return SHGetSpecialFolderPathA (hwndOwner, szPath, nFolder, bCreate);
2896 }
2897
2898 /*************************************************************************
2899  * SHGetFolderLocation [SHELL32.@]
2900  *
2901  * Gets the folder locations from the registry and creates a pidl.
2902  *
2903  * PARAMS
2904  *   hwndOwner  [I]
2905  *   nFolder    [I] CSIDL_xxxxx
2906  *   hToken     [I] token representing user, or NULL for current user, or -1 for
2907  *                  default user
2908  *   dwReserved [I] must be zero
2909  *   ppidl      [O] PIDL of a special folder
2910  *
2911  * RETURNS
2912  *  Success: S_OK
2913  *  Failure: Standard OLE-defined error result, S_FALSE or E_INVALIDARG
2914  *
2915  * NOTES
2916  *  Creates missing reg keys and directories.
2917  *  Mostly forwards to SHGetFolderPathW, but a few values of nFolder return
2918  *  virtual folders that are handled here.
2919  */
2920 HRESULT WINAPI SHGetFolderLocation(
2921         HWND hwndOwner,
2922         int nFolder,
2923         HANDLE hToken,
2924         DWORD dwReserved,
2925         LPITEMIDLIST *ppidl)
2926 {
2927     HRESULT hr = E_INVALIDARG;
2928
2929     TRACE("%p 0x%08x %p 0x%08x %p\n",
2930      hwndOwner, nFolder, hToken, dwReserved, ppidl);
2931
2932     if (!ppidl)
2933         return E_INVALIDARG;
2934     if (dwReserved)
2935         return E_INVALIDARG;
2936
2937     /* The virtual folders' locations are not user-dependent */
2938     *ppidl = NULL;
2939     switch (nFolder & CSIDL_FOLDER_MASK)
2940     {
2941         case CSIDL_DESKTOP:
2942             *ppidl = _ILCreateDesktop();
2943             break;
2944
2945         case CSIDL_PERSONAL:
2946             *ppidl = _ILCreateMyDocuments();
2947             break;
2948
2949         case CSIDL_INTERNET:
2950             *ppidl = _ILCreateIExplore();
2951             break;
2952
2953         case CSIDL_CONTROLS:
2954             *ppidl = _ILCreateControlPanel();
2955             break;
2956
2957         case CSIDL_PRINTERS:
2958             *ppidl = _ILCreatePrinters();
2959             break;
2960
2961         case CSIDL_BITBUCKET:
2962             *ppidl = _ILCreateBitBucket();
2963             break;
2964
2965         case CSIDL_DRIVES:
2966             *ppidl = _ILCreateMyComputer();
2967             break;
2968
2969         case CSIDL_NETWORK:
2970             *ppidl = _ILCreateNetwork();
2971             break;
2972
2973         default:
2974         {
2975             WCHAR szPath[MAX_PATH];
2976
2977             hr = SHGetFolderPathW(hwndOwner, nFolder, hToken,
2978              SHGFP_TYPE_CURRENT, szPath);
2979             if (SUCCEEDED(hr))
2980             {
2981                 DWORD attributes=0;
2982
2983                 TRACE("Value=%s\n", debugstr_w(szPath));
2984                 hr = SHILCreateFromPathW(szPath, ppidl, &attributes);
2985             }
2986             else if (hr == HRESULT_FROM_WIN32(ERROR_FILE_NOT_FOUND))
2987             {
2988                 /* unlike SHGetFolderPath, SHGetFolderLocation in shell32
2989                  * version 6.0 returns E_FAIL for nonexistent paths
2990                  */
2991                 hr = E_FAIL;
2992             }
2993         }
2994     }
2995     if(*ppidl)
2996         hr = S_OK;
2997
2998     TRACE("-- (new pidl %p)\n",*ppidl);
2999     return hr;
3000 }
3001
3002 /*************************************************************************
3003  * SHGetSpecialFolderLocation           [SHELL32.@]
3004  *
3005  * NOTES
3006  *   In NT5, SHGetSpecialFolderLocation needs the <winntdir>/Recent
3007  *   directory.
3008  */
3009 HRESULT WINAPI SHGetSpecialFolderLocation(
3010         HWND hwndOwner,
3011         INT nFolder,
3012         LPITEMIDLIST * ppidl)
3013 {
3014     HRESULT hr = E_INVALIDARG;
3015
3016     TRACE("(%p,0x%x,%p)\n", hwndOwner,nFolder,ppidl);
3017
3018     if (!ppidl)
3019         return E_INVALIDARG;
3020
3021     hr = SHGetFolderLocation(hwndOwner, nFolder, NULL, 0, ppidl);
3022     return hr;
3023 }
3024
3025 static int csidl_from_id( const KNOWNFOLDERID *id )
3026 {
3027     int i;
3028     for (i = 0; i < sizeof(CSIDL_Data) / sizeof(CSIDL_Data[0]); i++)
3029         if (IsEqualGUID( CSIDL_Data[i].id, id )) return i;
3030     return -1;
3031 }
3032
3033 /*************************************************************************
3034  * SHGetKnownFolderPath           [SHELL32.@]
3035  */
3036 HRESULT WINAPI SHGetKnownFolderPath(REFKNOWNFOLDERID rfid, DWORD flags, HANDLE token, PWSTR *path)
3037 {
3038     HRESULT hr;
3039     WCHAR folder[MAX_PATH];
3040     int index = csidl_from_id( rfid );
3041
3042     TRACE("%s, 0x%08x, %p, %p\n", debugstr_guid(rfid), flags, token, path);
3043
3044     *path = NULL;
3045
3046     if (index < 0)
3047         return HRESULT_FROM_WIN32( ERROR_FILE_NOT_FOUND );
3048
3049     if (flags & KF_FLAG_CREATE)
3050         index |= CSIDL_FLAG_CREATE;
3051
3052     if (flags & KF_FLAG_DONT_VERIFY)
3053         index |= CSIDL_FLAG_DONT_VERIFY;
3054
3055     if (flags & KF_FLAG_NO_ALIAS)
3056         index |= CSIDL_FLAG_NO_ALIAS;
3057
3058     if (flags & KF_FLAG_INIT)
3059         index |= CSIDL_FLAG_PER_USER_INIT;
3060
3061     if (flags & ~(KF_FLAG_CREATE|KF_FLAG_DONT_VERIFY|KF_FLAG_NO_ALIAS|KF_FLAG_INIT))
3062     {
3063         FIXME("flags 0x%08x not supported\n", flags);
3064         return E_INVALIDARG;
3065     }
3066
3067     hr = SHGetFolderPathW( NULL, index, token, 0, folder );
3068     if (SUCCEEDED(hr))
3069     {
3070         *path = CoTaskMemAlloc( (strlenW( folder ) + 1) * sizeof(WCHAR) );
3071         if (!*path)
3072             return E_OUTOFMEMORY;
3073         strcpyW( *path, folder );
3074     }
3075     return hr;
3076 }
3077
3078 /*************************************************************************
3079  * SHGetFolderPathEx           [SHELL32.@]
3080  */
3081 HRESULT WINAPI SHGetFolderPathEx(REFKNOWNFOLDERID rfid, DWORD flags, HANDLE token, LPWSTR path, DWORD len)
3082 {
3083     HRESULT hr;
3084     WCHAR *buffer;
3085
3086     TRACE("%s, 0x%08x, %p, %p, %u\n", debugstr_guid(rfid), flags, token, path, len);
3087
3088     if (!path || !len) return E_INVALIDARG;
3089
3090     hr = SHGetKnownFolderPath( rfid, flags, token, &buffer );
3091     if (SUCCEEDED( hr ))
3092     {
3093         if (strlenW( buffer ) + 1 > len)
3094         {
3095             CoTaskMemFree( buffer );
3096             return HRESULT_FROM_WIN32( ERROR_INSUFFICIENT_BUFFER );
3097         }
3098         strcpyW( path, buffer );
3099         CoTaskMemFree( buffer );
3100     }
3101     return hr;
3102 }
3103
3104 /* constant values used by known folder functions */
3105 static const WCHAR szCategory[] = {'C','a','t','e','g','o','r','y',0};
3106 static const WCHAR szName[] = {'N','a','m','e',0};
3107 static const WCHAR szRelativePath[] = {'R','e','l','a','t','i','v','e','P','a','t','h',0};
3108 static const WCHAR szParentFolder[] = {'P','a','r','e','n','t','F','o','l','d','e','r',0};
3109
3110 /*
3111  * Internal function to convert known folder identifier to path of registry key
3112  * associated with known folder.
3113  *
3114  * Parameters:
3115  *  rfid            [I] pointer to known folder identifier (may be NULL)
3116  *  lpStringGuid    [I] string with known folder identifier (used when rfid is NULL)
3117  *  lpPath          [O] place to store string address. String should be
3118  *                      later freed using HeapFree(GetProcessHeap(),0, ... )
3119  */
3120 static HRESULT get_known_folder_registry_path(
3121     REFKNOWNFOLDERID rfid,
3122     LPWSTR lpStringGuid,
3123     LPWSTR *lpPath)
3124 {
3125     static const WCHAR sBackslash[] = {'\\',0};
3126     HRESULT hr = S_OK;
3127     int length;
3128     WCHAR sGuid[50];
3129
3130     TRACE("(%s, %s, %p)\n", debugstr_guid(rfid), debugstr_w(lpStringGuid), lpPath);
3131
3132     if(rfid)
3133         StringFromGUID2(rfid, sGuid, sizeof(sGuid)/sizeof(sGuid[0]));
3134     else
3135         lstrcpyW(sGuid, lpStringGuid);
3136
3137     length = lstrlenW(szKnownFolderDescriptions)+51;
3138     *lpPath = HeapAlloc(GetProcessHeap(), 0, length*sizeof(WCHAR));
3139     if(!(*lpPath))
3140         hr = E_OUTOFMEMORY;
3141
3142     if(SUCCEEDED(hr))
3143     {
3144         lstrcpyW(*lpPath, szKnownFolderDescriptions);
3145         lstrcatW(*lpPath, sBackslash);
3146         lstrcatW(*lpPath, sGuid);
3147     }
3148
3149     return hr;
3150 }
3151
3152 /*
3153  * Internal function to get place where folder redirection information are stored.
3154  *
3155  * Parameters:
3156  *  rfid            [I] pointer to known folder identifier (may be NULL)
3157  *  rootKey         [O] root key where the redirection information are stored
3158  *                      It can be HKLM for COMMON folders, and HKCU for PERUSER folders.
3159  *                      However, besides root key, path is always that same, and is stored
3160  *                      as "szKnownFolderRedirections" constant
3161  */
3162 static HRESULT get_known_folder_redirection_place(
3163     REFKNOWNFOLDERID rfid,
3164     HKEY *rootKey)
3165 {
3166     HRESULT hr;
3167     LPWSTR lpRegistryPath = NULL;
3168     KF_CATEGORY category;
3169     DWORD dwSize;
3170
3171     /* first, get known folder's category */
3172     hr = get_known_folder_registry_path(rfid, NULL, &lpRegistryPath);
3173
3174     if(SUCCEEDED(hr))
3175     {
3176         dwSize = sizeof(category);
3177         hr = HRESULT_FROM_WIN32(RegGetValueW(HKEY_LOCAL_MACHINE, lpRegistryPath, szCategory, RRF_RT_DWORD, NULL, &category, &dwSize));
3178     }
3179
3180     if(SUCCEEDED(hr))
3181     {
3182         if(category == KF_CATEGORY_COMMON)
3183         {
3184             *rootKey = HKEY_LOCAL_MACHINE;
3185             hr = S_OK;
3186         }
3187         else if(category == KF_CATEGORY_PERUSER)
3188         {
3189             *rootKey = HKEY_CURRENT_USER;
3190             hr = S_OK;
3191         }
3192         else
3193             hr = E_FAIL;
3194     }
3195
3196     HeapFree(GetProcessHeap(), 0, lpRegistryPath);
3197     return hr;
3198 }
3199
3200 static HRESULT get_known_folder_path_by_id(REFKNOWNFOLDERID folderId, LPWSTR lpRegistryPath, DWORD dwFlags, LPWSTR *ppszPath);
3201
3202 static HRESULT get_known_folder_category(
3203     LPWSTR registryPath,
3204     KF_CATEGORY* pCategory)
3205 {
3206     DWORD dwSize = sizeof(DWORD);
3207     DWORD dwType;
3208     return HRESULT_FROM_WIN32(RegGetValueW(HKEY_LOCAL_MACHINE, registryPath, szCategory, RRF_RT_DWORD, &dwType, pCategory, &dwSize));
3209 }
3210
3211 static HRESULT redirect_known_folder(
3212     REFKNOWNFOLDERID rfid,
3213     HWND hwnd,
3214     KF_REDIRECT_FLAGS flags,
3215     LPCWSTR pszTargetPath,
3216     UINT cFolders,
3217     KNOWNFOLDERID const *pExclusion,
3218     LPWSTR *ppszError)
3219 {
3220     HRESULT hr;
3221     HKEY rootKey = HKEY_LOCAL_MACHINE, hKey;
3222     WCHAR sGuid[39];
3223     LPWSTR lpRegistryPath = NULL, lpSrcPath = NULL;
3224     TRACE("(%s, %p, 0x%08x, %s, %d, %p, %p)\n", debugstr_guid(rfid), hwnd, flags, debugstr_w(pszTargetPath), cFolders, pExclusion, ppszError);
3225
3226     if (ppszError) *ppszError = NULL;
3227
3228     hr = get_known_folder_registry_path(rfid, NULL, &lpRegistryPath);
3229
3230     if(SUCCEEDED(hr))
3231         hr = get_known_folder_path_by_id(rfid, lpRegistryPath, 0, &lpSrcPath);
3232
3233     HeapFree(GetProcessHeap(), 0, lpRegistryPath);
3234
3235     /* get path to redirection storage */
3236     if(SUCCEEDED(hr))
3237         hr = get_known_folder_redirection_place(rfid, &rootKey);
3238
3239     /* write redirection information */
3240     if(SUCCEEDED(hr))
3241         hr = HRESULT_FROM_WIN32(RegCreateKeyExW(rootKey, szKnownFolderRedirections, 0, NULL, 0, KEY_WRITE, NULL, &hKey, NULL));
3242
3243     if(SUCCEEDED(hr))
3244     {
3245         StringFromGUID2(rfid, sGuid, sizeof(sGuid)/sizeof(sGuid[0]));
3246
3247         hr = HRESULT_FROM_WIN32(RegSetValueExW(hKey, sGuid, 0, REG_SZ, (LPBYTE)pszTargetPath, (lstrlenW(pszTargetPath)+1)*sizeof(WCHAR)));
3248
3249         RegCloseKey(hKey);
3250     }
3251
3252     /* make sure destination path exists */
3253     SHCreateDirectory(NULL, pszTargetPath);
3254
3255     /* copy content if required */
3256     if(SUCCEEDED(hr) && (flags & KF_REDIRECT_COPY_CONTENTS) )
3257     {
3258         static const WCHAR sWildcard[] = {'\\','*',0};
3259         WCHAR srcPath[MAX_PATH+1], dstPath[MAX_PATH+1];
3260         SHFILEOPSTRUCTW fileOp;
3261
3262         ZeroMemory(srcPath, sizeof(srcPath));
3263         lstrcpyW(srcPath, lpSrcPath);
3264         lstrcatW(srcPath, sWildcard);
3265
3266         ZeroMemory(dstPath, sizeof(dstPath));
3267         lstrcpyW(dstPath, pszTargetPath);
3268
3269         ZeroMemory(&fileOp, sizeof(fileOp));
3270
3271         if(flags & KF_REDIRECT_DEL_SOURCE_CONTENTS)
3272             fileOp.wFunc = FO_MOVE;
3273         else
3274             fileOp.wFunc = FO_COPY;
3275
3276         fileOp.pFrom = srcPath;
3277         fileOp.pTo = dstPath;
3278         fileOp.fFlags = FOF_NO_UI;
3279
3280         hr = (SHFileOperationW(&fileOp)==0 ? S_OK : E_FAIL);
3281
3282         if(flags & KF_REDIRECT_DEL_SOURCE_CONTENTS)
3283         {
3284             ZeroMemory(srcPath, sizeof(srcPath));
3285             lstrcpyW(srcPath, lpSrcPath);
3286
3287             ZeroMemory(&fileOp, sizeof(fileOp));
3288             fileOp.wFunc = FO_DELETE;
3289             fileOp.pFrom = srcPath;
3290             fileOp.fFlags = FOF_NO_UI;
3291
3292             hr = (SHFileOperationW(&fileOp)==0 ? S_OK : E_FAIL);
3293         }
3294     }
3295
3296     CoTaskMemFree(lpSrcPath);
3297
3298     return hr;
3299 }
3300
3301
3302 struct knownfolder
3303 {
3304     IKnownFolder IKnownFolder_iface;
3305     LONG refs;
3306     KNOWNFOLDERID id;
3307     LPWSTR registryPath;
3308 };
3309
3310 static inline struct knownfolder *impl_from_IKnownFolder( IKnownFolder *iface )
3311 {
3312     return CONTAINING_RECORD( iface, struct knownfolder, IKnownFolder_iface );
3313 }
3314
3315 static ULONG WINAPI knownfolder_AddRef(
3316     IKnownFolder *iface )
3317 {
3318     struct knownfolder *knownfolder = impl_from_IKnownFolder( iface );
3319     return InterlockedIncrement( &knownfolder->refs );
3320 }
3321
3322 static ULONG WINAPI knownfolder_Release(
3323     IKnownFolder *iface )
3324 {
3325     struct knownfolder *knownfolder = impl_from_IKnownFolder( iface );
3326     LONG refs = InterlockedDecrement( &knownfolder->refs );
3327     if (!refs)
3328     {
3329         TRACE("destroying %p\n", knownfolder);
3330         HeapFree( GetProcessHeap(), 0, knownfolder->registryPath);
3331         HeapFree( GetProcessHeap(), 0, knownfolder );
3332     }
3333     return refs;
3334 }
3335
3336 static HRESULT WINAPI knownfolder_QueryInterface(
3337     IKnownFolder *iface,
3338     REFIID riid,
3339     void **ppv )
3340 {
3341     struct knownfolder *This = impl_from_IKnownFolder( iface );
3342
3343     TRACE("%p %s %p\n", This, debugstr_guid( riid ), ppv );
3344
3345     if ( IsEqualGUID( riid, &IID_IKnownFolder ) ||
3346          IsEqualGUID( riid, &IID_IUnknown ) )
3347     {
3348         *ppv = iface;
3349     }
3350     else
3351     {
3352         FIXME("interface %s not implemented\n", debugstr_guid(riid));
3353         return E_NOINTERFACE;
3354     }
3355     IKnownFolder_AddRef( iface );
3356     return S_OK;
3357 }
3358
3359 static HRESULT knownfolder_set_id(
3360     struct knownfolder *knownfolder,
3361     const KNOWNFOLDERID *kfid)
3362 {
3363     HKEY hKey;
3364     HRESULT hr;
3365
3366     TRACE("%s\n", debugstr_guid(kfid));
3367
3368     knownfolder->id = *kfid;
3369
3370     /* check is it registry-registered folder */
3371     hr = get_known_folder_registry_path(kfid, NULL, &knownfolder->registryPath);
3372     if(SUCCEEDED(hr))
3373         hr = HRESULT_FROM_WIN32(RegOpenKeyExW(HKEY_LOCAL_MACHINE, knownfolder->registryPath, 0, 0, &hKey));
3374
3375     if(SUCCEEDED(hr))
3376     {
3377         hr = S_OK;
3378         RegCloseKey(hKey);
3379     }
3380     else
3381     {
3382         /* This known folder is not registered. To mark it, we set registryPath to NULL */
3383         HeapFree(GetProcessHeap(), 0, knownfolder->registryPath);
3384         knownfolder->registryPath = NULL;
3385         hr = S_OK;
3386     }
3387
3388     return hr;
3389 }
3390
3391 static HRESULT WINAPI knownfolder_GetId(
3392     IKnownFolder *iface,
3393     KNOWNFOLDERID *pkfid)
3394 {
3395     struct knownfolder *knownfolder = impl_from_IKnownFolder( iface );
3396
3397     TRACE("%p\n", pkfid);
3398
3399     *pkfid = knownfolder->id;
3400     return S_OK;
3401 }
3402
3403 static HRESULT WINAPI knownfolder_GetCategory(
3404     IKnownFolder *iface,
3405     KF_CATEGORY *pCategory)
3406 {
3407     struct knownfolder *knownfolder = impl_from_IKnownFolder(iface);
3408     HRESULT hr = S_OK;
3409
3410     TRACE("%p, %p\n", knownfolder, pCategory);
3411
3412     /* we cannot get a category for a folder which is not registered */
3413     if(!knownfolder->registryPath)
3414         hr = E_FAIL;
3415
3416     if(SUCCEEDED(hr))
3417         hr = get_known_folder_category(knownfolder->registryPath, pCategory);
3418
3419     return hr;
3420 }
3421
3422 static HRESULT WINAPI knownfolder_GetShellItem(
3423     IKnownFolder *iface,
3424     DWORD dwFlags,
3425     REFIID riid,
3426     void **ppv)
3427 {
3428     FIXME("0x%08x, %s, %p\n", dwFlags, debugstr_guid(riid), ppv);
3429     return E_NOTIMPL;
3430 }
3431
3432 static HRESULT get_known_folder_path(
3433     LPWSTR sFolderId,
3434     LPWSTR registryPath,
3435     LPWSTR *ppszPath)
3436 {
3437     static const WCHAR sBackslash[] = {'\\',0};
3438     HRESULT hr;
3439     DWORD dwSize, dwType;
3440     WCHAR path[MAX_PATH] = {0};
3441     WCHAR parentGuid[39];
3442     KF_CATEGORY category;
3443     LPWSTR parentRegistryPath, parentPath;
3444     HKEY hRedirectionRootKey = NULL;
3445
3446     TRACE("(%s, %p)\n", debugstr_w(registryPath), ppszPath);
3447     *ppszPath = NULL;
3448
3449     /* check if folder has parent */
3450     dwSize = sizeof(parentGuid);
3451     hr = HRESULT_FROM_WIN32(RegGetValueW(HKEY_LOCAL_MACHINE, registryPath, szParentFolder, RRF_RT_REG_SZ, &dwType, parentGuid, &dwSize));
3452     if(hr == HRESULT_FROM_WIN32(ERROR_FILE_NOT_FOUND)) hr = S_FALSE;
3453
3454     if(hr == S_OK)
3455     {
3456         /* get parent's known folder path (recursive) */
3457         hr = get_known_folder_registry_path(NULL, parentGuid, &parentRegistryPath);
3458         if(FAILED(hr)) return hr;
3459
3460         hr = get_known_folder_path(parentGuid, parentRegistryPath, &parentPath);
3461         if(FAILED(hr)) {
3462             HeapFree(GetProcessHeap(), 0, parentRegistryPath);
3463             return hr;
3464         }
3465
3466         lstrcatW(path, parentPath);
3467         lstrcatW(path, sBackslash);
3468
3469         HeapFree(GetProcessHeap(), 0, parentRegistryPath);
3470         HeapFree(GetProcessHeap(), 0, parentPath);
3471     }
3472
3473     /* check, if folder was redirected */
3474     if(SUCCEEDED(hr))
3475         hr = HRESULT_FROM_WIN32(RegGetValueW(HKEY_LOCAL_MACHINE, registryPath, szCategory, RRF_RT_REG_DWORD, NULL, &category, &dwSize));
3476
3477     if(SUCCEEDED(hr))
3478     {
3479         if(category == KF_CATEGORY_COMMON)
3480             hRedirectionRootKey = HKEY_LOCAL_MACHINE;
3481         else if(category == KF_CATEGORY_PERUSER)
3482             hRedirectionRootKey = HKEY_CURRENT_USER;
3483
3484         if(hRedirectionRootKey)
3485         {
3486             hr = HRESULT_FROM_WIN32(RegGetValueW(hRedirectionRootKey, szKnownFolderRedirections, sFolderId, RRF_RT_REG_SZ, NULL, NULL, &dwSize));
3487
3488             if(SUCCEEDED(hr))
3489             {
3490                 *ppszPath = CoTaskMemAlloc(dwSize+(lstrlenW(path)+1)*sizeof(WCHAR));
3491                 if(!*ppszPath) hr = E_OUTOFMEMORY;
3492             }
3493
3494             if(SUCCEEDED(hr))
3495             {
3496                 lstrcpyW(*ppszPath, path);
3497                 hr = HRESULT_FROM_WIN32(RegGetValueW(hRedirectionRootKey, szKnownFolderRedirections, sFolderId, RRF_RT_REG_SZ, NULL, *ppszPath + lstrlenW(path), &dwSize));
3498             }
3499         }
3500
3501         if(!*ppszPath)
3502         {
3503             /* no redirection, use previous way - read the relative path from folder definition */
3504             hr = HRESULT_FROM_WIN32(RegGetValueW(HKEY_LOCAL_MACHINE, registryPath, szRelativePath, RRF_RT_REG_SZ, &dwType, NULL, &dwSize));
3505
3506             if(SUCCEEDED(hr))
3507             {
3508                 *ppszPath = CoTaskMemAlloc(dwSize+(lstrlenW(path)+1)*sizeof(WCHAR));
3509                 if(!*ppszPath) hr = E_OUTOFMEMORY;
3510             }
3511
3512             if(SUCCEEDED(hr))
3513             {
3514                 lstrcpyW(*ppszPath, path);
3515                 hr = HRESULT_FROM_WIN32(RegGetValueW(HKEY_LOCAL_MACHINE, registryPath, szRelativePath, RRF_RT_REG_SZ, &dwType, *ppszPath + lstrlenW(path), &dwSize));
3516             }
3517         }
3518     }
3519
3520     TRACE("returning path: %s\n", debugstr_w(*ppszPath));
3521     return hr;
3522 }
3523
3524 static HRESULT get_known_folder_path_by_id(
3525     REFKNOWNFOLDERID folderId,
3526     LPWSTR lpRegistryPath,
3527     DWORD dwFlags,
3528     LPWSTR *ppszPath)
3529 {
3530     HRESULT hr;
3531     WCHAR sGuid[39];
3532     DWORD dwAttributes;
3533
3534     TRACE("(%s, %s, 0x%08x, %p)\n", debugstr_guid(folderId), debugstr_w(lpRegistryPath), dwFlags, ppszPath);
3535
3536     /* if this is registry-registered known folder, get path from registry */
3537     if(lpRegistryPath)
3538     {
3539         StringFromGUID2(folderId, sGuid, sizeof(sGuid)/sizeof(sGuid[0]));
3540
3541         hr = get_known_folder_path(sGuid, lpRegistryPath, ppszPath);
3542     }
3543     /* in other case, use older way */
3544     else
3545         hr = SHGetKnownFolderPath( folderId, dwFlags, NULL, ppszPath );
3546
3547     if (FAILED(hr)) return hr;
3548
3549     /* check if known folder really exists */
3550     dwAttributes = GetFileAttributesW(*ppszPath);
3551     if(dwAttributes == INVALID_FILE_ATTRIBUTES || !(dwAttributes & FILE_ATTRIBUTE_DIRECTORY) )
3552     {
3553         TRACE("directory %s not found\n", debugstr_w(*ppszPath));
3554         CoTaskMemFree(*ppszPath);
3555         *ppszPath = NULL;
3556         hr = HRESULT_FROM_WIN32(ERROR_FILE_NOT_FOUND);
3557     }
3558
3559     return hr;
3560 }
3561
3562 static HRESULT WINAPI knownfolder_GetPath(
3563     IKnownFolder *iface,
3564     DWORD dwFlags,
3565     LPWSTR *ppszPath)
3566 {
3567     struct knownfolder *knownfolder = impl_from_IKnownFolder( iface );
3568     TRACE("(%p, 0x%08x, %p)\n", knownfolder, dwFlags, ppszPath);
3569
3570     return get_known_folder_path_by_id(&knownfolder->id, knownfolder->registryPath, dwFlags, ppszPath);
3571 }
3572
3573 static HRESULT WINAPI knownfolder_SetPath(
3574     IKnownFolder *iface,
3575     DWORD dwFlags,
3576     LPCWSTR pszPath)
3577 {
3578     struct knownfolder *knownfolder = impl_from_IKnownFolder( iface );
3579     HRESULT hr = S_OK;
3580
3581     TRACE("(%p, 0x%08x, %p)\n", knownfolder, dwFlags, debugstr_w(pszPath));
3582
3583     /* check if the known folder is registered */
3584     if(!knownfolder->registryPath)
3585         hr = E_FAIL;
3586
3587     if(SUCCEEDED(hr))
3588         hr = redirect_known_folder(&knownfolder->id, NULL, 0, pszPath, 0, NULL, NULL);
3589
3590     return hr;
3591 }
3592
3593 static HRESULT WINAPI knownfolder_GetIDList(
3594     IKnownFolder *iface,
3595     DWORD dwFlags,
3596     PIDLIST_ABSOLUTE *ppidl)
3597 {
3598     FIXME("0x%08x, %p\n", dwFlags, ppidl);
3599     return E_NOTIMPL;
3600 }
3601
3602 static HRESULT WINAPI knownfolder_GetFolderType(
3603     IKnownFolder *iface,
3604     FOLDERTYPEID *pftid)
3605 {
3606     FIXME("%p\n", pftid);
3607     return E_NOTIMPL;
3608 }
3609
3610 static HRESULT WINAPI knownfolder_GetRedirectionCapabilities(
3611     IKnownFolder *iface,
3612     KF_REDIRECTION_CAPABILITIES *pCapabilities)
3613 {
3614     FIXME("%p\n", pCapabilities);
3615     return E_NOTIMPL;
3616 }
3617
3618 static HRESULT WINAPI knownfolder_GetFolderDefinition(
3619     IKnownFolder *iface,
3620     KNOWNFOLDER_DEFINITION *pKFD)
3621 {
3622     struct knownfolder *knownfolder = impl_from_IKnownFolder( iface );
3623     HRESULT hr;
3624     DWORD dwSize;
3625     TRACE("(%p, %p)\n", knownfolder, pKFD);
3626
3627     if(!pKFD) return E_INVALIDARG;
3628
3629     ZeroMemory(pKFD, sizeof(*pKFD));
3630
3631     hr = get_known_folder_category(knownfolder->registryPath, &pKFD->category);
3632
3633     if(SUCCEEDED(hr))
3634         hr = HRESULT_FROM_WIN32(RegGetValueW(HKEY_LOCAL_MACHINE, knownfolder->registryPath, szName, RRF_RT_REG_SZ, NULL, NULL, &dwSize));
3635
3636     if(SUCCEEDED(hr))
3637     {
3638         pKFD->pszName = CoTaskMemAlloc(dwSize);
3639         if(!pKFD->pszName) hr = E_OUTOFMEMORY;
3640     }
3641
3642     if(SUCCEEDED(hr))
3643         hr = HRESULT_FROM_WIN32(RegGetValueW(HKEY_LOCAL_MACHINE, knownfolder->registryPath, szName, RRF_RT_REG_SZ, NULL, pKFD->pszName, &dwSize));
3644
3645     return hr;
3646 }
3647
3648 static const struct IKnownFolderVtbl knownfolder_vtbl =
3649 {
3650     knownfolder_QueryInterface,
3651     knownfolder_AddRef,
3652     knownfolder_Release,
3653     knownfolder_GetId,
3654     knownfolder_GetCategory,
3655     knownfolder_GetShellItem,
3656     knownfolder_GetPath,
3657     knownfolder_SetPath,
3658     knownfolder_GetIDList,
3659     knownfolder_GetFolderType,
3660     knownfolder_GetRedirectionCapabilities,
3661     knownfolder_GetFolderDefinition
3662 };
3663
3664 static HRESULT knownfolder_create( struct knownfolder **knownfolder )
3665 {
3666     struct knownfolder *kf;
3667
3668     kf = HeapAlloc( GetProcessHeap(), 0, sizeof(*kf) );
3669     if (!kf) return E_OUTOFMEMORY;
3670
3671     kf->IKnownFolder_iface.lpVtbl = &knownfolder_vtbl;
3672     kf->refs = 1;
3673     memset( &kf->id, 0, sizeof(kf->id) );
3674     kf->registryPath = NULL;
3675
3676     *knownfolder = kf;
3677
3678     TRACE("returning iface %p\n", &kf->IKnownFolder_iface);
3679     return S_OK;
3680 }
3681
3682 struct foldermanager
3683 {
3684     IKnownFolderManager IKnownFolderManager_iface;
3685     LONG refs;
3686     UINT num_ids;
3687     KNOWNFOLDERID *ids;
3688 };
3689
3690 static inline struct foldermanager *impl_from_IKnownFolderManager( IKnownFolderManager *iface )
3691 {
3692     return CONTAINING_RECORD( iface, struct foldermanager, IKnownFolderManager_iface );
3693 }
3694
3695 static ULONG WINAPI foldermanager_AddRef(
3696     IKnownFolderManager *iface )
3697 {
3698     struct foldermanager *foldermanager = impl_from_IKnownFolderManager( iface );
3699     return InterlockedIncrement( &foldermanager->refs );
3700 }
3701
3702 static ULONG WINAPI foldermanager_Release(
3703     IKnownFolderManager *iface )
3704 {
3705     struct foldermanager *foldermanager = impl_from_IKnownFolderManager( iface );
3706     LONG refs = InterlockedDecrement( &foldermanager->refs );
3707     if (!refs)
3708     {
3709         TRACE("destroying %p\n", foldermanager);
3710         HeapFree( GetProcessHeap(), 0, foldermanager->ids );
3711         HeapFree( GetProcessHeap(), 0, foldermanager );
3712     }
3713     return refs;
3714 }
3715
3716 static HRESULT WINAPI foldermanager_QueryInterface(
3717     IKnownFolderManager *iface,
3718     REFIID riid,
3719     void **ppv )
3720 {
3721     struct foldermanager *This = impl_from_IKnownFolderManager( iface );
3722
3723     TRACE("%p %s %p\n", This, debugstr_guid( riid ), ppv );
3724
3725     if ( IsEqualGUID( riid, &IID_IKnownFolderManager ) ||
3726          IsEqualGUID( riid, &IID_IUnknown ) )
3727     {
3728         *ppv = iface;
3729     }
3730     else
3731     {
3732         FIXME("interface %s not implemented\n", debugstr_guid(riid));
3733         return E_NOINTERFACE;
3734     }
3735     IKnownFolderManager_AddRef( iface );
3736     return S_OK;
3737 }
3738
3739 static HRESULT WINAPI foldermanager_FolderIdFromCsidl(
3740     IKnownFolderManager *iface,
3741     int nCsidl,
3742     KNOWNFOLDERID *pfid)
3743 {
3744     TRACE("%d, %p\n", nCsidl, pfid);
3745
3746     if (nCsidl >= sizeof(CSIDL_Data) / sizeof(CSIDL_Data[0]))
3747         return E_INVALIDARG;
3748     *pfid = *CSIDL_Data[nCsidl].id;
3749     return S_OK;
3750 }
3751
3752 static HRESULT WINAPI foldermanager_FolderIdToCsidl(
3753     IKnownFolderManager *iface,
3754     REFKNOWNFOLDERID rfid,
3755     int *pnCsidl)
3756 {
3757     int csidl;
3758
3759     TRACE("%s, %p\n", debugstr_guid(rfid), pnCsidl);
3760
3761     csidl = csidl_from_id( rfid );
3762     if (csidl == -1) return E_INVALIDARG;
3763     *pnCsidl = csidl;
3764     return S_OK;
3765 }
3766
3767 static HRESULT WINAPI foldermanager_GetFolderIds(
3768     IKnownFolderManager *iface,
3769     KNOWNFOLDERID **ppKFId,
3770     UINT *pCount)
3771 {
3772     struct foldermanager *fm = impl_from_IKnownFolderManager( iface );
3773
3774     TRACE("%p, %p\n", ppKFId, pCount);
3775
3776     *ppKFId = fm->ids;
3777     *pCount = fm->num_ids;
3778     return S_OK;
3779 }
3780
3781 static BOOL is_knownfolder( struct foldermanager *fm, const KNOWNFOLDERID *id )
3782 {
3783     UINT i;
3784     HRESULT hr;
3785     LPWSTR registryPath = NULL;
3786     HKEY hKey;
3787
3788     /* TODO: move all entries from "CSIDL_Data" static array to registry known folder descriptions */
3789     for (i = 0; i < fm->num_ids; i++)
3790         if (IsEqualGUID( &fm->ids[i], id )) return TRUE;
3791
3792     hr = get_known_folder_registry_path(id, NULL, &registryPath);
3793     if(SUCCEEDED(hr))
3794         hr = HRESULT_FROM_WIN32(RegOpenKeyExW(HKEY_LOCAL_MACHINE, registryPath, 0, 0, &hKey));
3795
3796     if(SUCCEEDED(hr))
3797     {
3798         hr = S_OK;
3799         RegCloseKey(hKey);
3800     }
3801
3802     return hr == S_OK;
3803 }
3804
3805 static HRESULT WINAPI foldermanager_GetFolder(
3806     IKnownFolderManager *iface,
3807     REFKNOWNFOLDERID rfid,
3808     IKnownFolder **ppkf)
3809 {
3810     struct foldermanager *fm = impl_from_IKnownFolderManager( iface );
3811     struct knownfolder *kf;
3812     HRESULT hr;
3813
3814     TRACE("%s, %p\n", debugstr_guid(rfid), ppkf);
3815
3816     if (!is_knownfolder( fm, rfid ))
3817     {
3818         WARN("unknown folder\n");
3819         return E_INVALIDARG;
3820     }
3821     hr = knownfolder_create( &kf );
3822     if (SUCCEEDED( hr ))
3823     {
3824         hr = knownfolder_set_id( kf, rfid );
3825         *ppkf = &kf->IKnownFolder_iface;
3826     }
3827     else
3828         *ppkf = NULL;
3829
3830     return hr;
3831 }
3832
3833 static HRESULT WINAPI foldermanager_GetFolderByName(
3834     IKnownFolderManager *iface,
3835     LPCWSTR pszCanonicalName,
3836     IKnownFolder **ppkf)
3837 {
3838     FIXME("%s, %p\n", debugstr_w(pszCanonicalName), ppkf);
3839     return E_NOTIMPL;
3840 }
3841
3842 static HRESULT WINAPI foldermanager_RegisterFolder(
3843     IKnownFolderManager *iface,
3844     REFKNOWNFOLDERID rfid,
3845     KNOWNFOLDER_DEFINITION const *pKFD)
3846 {
3847     HRESULT hr;
3848     HKEY hKey = NULL;
3849     DWORD dwDisp;
3850     LPWSTR registryPath = NULL;
3851     TRACE("(%p, %s, %p)\n", iface, debugstr_guid(rfid), pKFD);
3852
3853     hr = get_known_folder_registry_path(rfid, NULL, &registryPath);
3854     TRACE("registry path: %s\n", debugstr_w(registryPath));
3855
3856     if(SUCCEEDED(hr))
3857         hr = HRESULT_FROM_WIN32(RegCreateKeyExW(HKEY_LOCAL_MACHINE, registryPath, 0, NULL, 0, KEY_WRITE, 0, &hKey, &dwDisp));
3858
3859     if(SUCCEEDED(hr))
3860     {
3861         if(dwDisp == REG_OPENED_EXISTING_KEY)
3862             hr = E_FAIL;
3863
3864         if(SUCCEEDED(hr))
3865             hr = HRESULT_FROM_WIN32(RegSetValueExW(hKey, szCategory, 0, REG_DWORD, (LPBYTE)&pKFD->category, sizeof(pKFD->category)));
3866
3867         if(SUCCEEDED(hr))
3868             hr = HRESULT_FROM_WIN32(RegSetValueExW(hKey, szName, 0, REG_SZ, (LPBYTE)pKFD->pszName, (lstrlenW(pKFD->pszName)+1)*sizeof(WCHAR) ));
3869
3870         if(SUCCEEDED(hr) && !IsEqualGUID(&pKFD->fidParent, &GUID_NULL))
3871         {
3872             WCHAR sParentGuid[39];
3873             StringFromGUID2(&pKFD->fidParent, sParentGuid, sizeof(sParentGuid)/sizeof(sParentGuid[0]));
3874
3875             /* this known folder has parent folder */
3876             hr = HRESULT_FROM_WIN32(RegSetValueExW(hKey, szParentFolder, 0, REG_SZ, (LPBYTE)sParentGuid, sizeof(sParentGuid)));
3877         }
3878
3879         if(SUCCEEDED(hr) && pKFD->category != KF_CATEGORY_VIRTUAL)
3880         {
3881             if(!pKFD->pszRelativePath)
3882                 hr = E_INVALIDARG;
3883
3884             if(SUCCEEDED(hr))
3885                 hr = HRESULT_FROM_WIN32(RegSetValueExW(hKey, szRelativePath, 0, REG_SZ, (LPBYTE)pKFD->pszRelativePath, (lstrlenW(pKFD->pszRelativePath)+1)*sizeof(WCHAR) ));
3886         }
3887
3888         RegCloseKey(hKey);
3889
3890         if(FAILED(hr))
3891             SHDeleteKeyW(HKEY_LOCAL_MACHINE, registryPath);
3892     }
3893
3894     HeapFree(GetProcessHeap(), 0, registryPath);
3895     return hr;
3896 }
3897
3898 static HRESULT WINAPI foldermanager_UnregisterFolder(
3899     IKnownFolderManager *iface,
3900     REFKNOWNFOLDERID rfid)
3901 {
3902     HRESULT hr;
3903     LPWSTR registryPath = NULL;
3904     TRACE("(%p, %s)\n", iface, debugstr_guid(rfid));
3905
3906     hr = get_known_folder_registry_path(rfid, NULL, &registryPath);
3907
3908     if(SUCCEEDED(hr))
3909         hr = HRESULT_FROM_WIN32(SHDeleteKeyW(HKEY_LOCAL_MACHINE, registryPath));
3910
3911     HeapFree(GetProcessHeap(), 0, registryPath);
3912     return hr;
3913 }
3914
3915 static HRESULT WINAPI foldermanager_FindFolderFromPath(
3916     IKnownFolderManager *iface,
3917     LPCWSTR pszPath,
3918     FFFP_MODE mode,
3919     IKnownFolder **ppkf)
3920 {
3921     FIXME("%s, 0x%08x, %p\n", debugstr_w(pszPath), mode, ppkf);
3922     return E_NOTIMPL;
3923 }
3924
3925 static HRESULT WINAPI foldermanager_FindFolderFromIDList(
3926     IKnownFolderManager *iface,
3927     PCIDLIST_ABSOLUTE pidl,
3928     IKnownFolder **ppkf)
3929 {
3930     FIXME("%p, %p\n", pidl, ppkf);
3931     return E_NOTIMPL;
3932 }
3933
3934 static HRESULT WINAPI foldermanager_Redirect(
3935     IKnownFolderManager *iface,
3936     REFKNOWNFOLDERID rfid,
3937     HWND hwnd,
3938     KF_REDIRECT_FLAGS flags,
3939     LPCWSTR pszTargetPath,
3940     UINT cFolders,
3941     KNOWNFOLDERID const *pExclusion,
3942     LPWSTR *ppszError)
3943 {
3944     return redirect_known_folder(rfid, hwnd, flags, pszTargetPath, cFolders, pExclusion, ppszError);
3945 }
3946
3947 static const struct IKnownFolderManagerVtbl foldermanager_vtbl =
3948 {
3949     foldermanager_QueryInterface,
3950     foldermanager_AddRef,
3951     foldermanager_Release,
3952     foldermanager_FolderIdFromCsidl,
3953     foldermanager_FolderIdToCsidl,
3954     foldermanager_GetFolderIds,
3955     foldermanager_GetFolder,
3956     foldermanager_GetFolderByName,
3957     foldermanager_RegisterFolder,
3958     foldermanager_UnregisterFolder,
3959     foldermanager_FindFolderFromPath,
3960     foldermanager_FindFolderFromIDList,
3961     foldermanager_Redirect
3962 };
3963
3964 static HRESULT foldermanager_create( void **ppv )
3965 {
3966     UINT i, j;
3967     struct foldermanager *fm;
3968
3969     fm = HeapAlloc( GetProcessHeap(), 0, sizeof(*fm) );
3970     if (!fm) return E_OUTOFMEMORY;
3971
3972     fm->IKnownFolderManager_iface.lpVtbl = &foldermanager_vtbl;
3973     fm->refs = 1;
3974     fm->num_ids = 0;
3975
3976     for (i = 0; i < sizeof(CSIDL_Data) / sizeof(CSIDL_Data[0]); i++)
3977     {
3978         if (!IsEqualGUID( CSIDL_Data[i].id, &GUID_NULL )) fm->num_ids++;
3979     }
3980     fm->ids = HeapAlloc( GetProcessHeap(), 0, fm->num_ids * sizeof(KNOWNFOLDERID) );
3981     if (!fm->ids)
3982     {
3983         HeapFree( GetProcessHeap(), 0, fm );
3984         return E_OUTOFMEMORY;
3985     }
3986     for (i = j = 0; i < sizeof(CSIDL_Data) / sizeof(CSIDL_Data[0]); i++)
3987     {
3988         if (!IsEqualGUID( CSIDL_Data[i].id, &GUID_NULL ))
3989         {
3990             fm->ids[j] = *CSIDL_Data[i].id;
3991             j++;
3992         }
3993     }
3994     TRACE("found %u known folders\n", fm->num_ids);
3995     *ppv = &fm->IKnownFolderManager_iface;
3996
3997     TRACE("returning iface %p\n", *ppv);
3998     return S_OK;
3999 }
4000
4001 HRESULT WINAPI KnownFolderManager_Constructor( IUnknown *punk, REFIID riid, void **ppv )
4002 {
4003     TRACE("%p, %s, %p\n", punk, debugstr_guid(riid), ppv);
4004
4005     if (!ppv)
4006         return E_POINTER;
4007     if (punk)
4008         return CLASS_E_NOAGGREGATION;
4009
4010     return foldermanager_create( ppv );
4011 }