reactos/dll/win32/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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  20  *
  21  * NOTES:
  22  *
  23  * Many of these functions are in SHLWAPI.DLL also
  24  *
  25  */
  26
  27 #include "config.h"
  28 #include "wine/port.h"
  29
  30 #include <stdarg.h>
  31 #include <string.h>
  32 #include <ctype.h>
  33 #include "wine/debug.h"
  34 #include "windef.h"
  35 #include "winbase.h"
  36 #include "winnls.h"
  37 #include "winreg.h"
  38 #include "wingdi.h"
  39 #include "winuser.h"
  40
  41 #include "shlobj.h"
  42 #include "shresdef.h"
  43 #include "shell32_main.h"
  44 #include "undocshell.h"
  45 #include "pidl.h"
  46 #include "wine/unicode.h"
  47 #include "shlwapi.h"
  48
  49 WINE_DEFAULT_DEBUG_CHANNEL(shell);
  50
  51 /*
  52         ########## Combining and Constructing paths ##########
  53 */
  54
  55 /*************************************************************************
  56  * PathAppend           [SHELL32.36]
  57  */
  58 BOOL WINAPI PathAppendAW(
  59         LPVOID lpszPath1,
  60         LPCVOID lpszPath2)
  61 {
  62         if (SHELL_OsIsUnicode())
  63           return PathAppendW(lpszPath1, lpszPath2);
  64         return PathAppendA(lpszPath1, lpszPath2);
  65 }
  66
  67 /*************************************************************************
  68  * PathCombine   [SHELL32.37]
  69  */
  70 LPVOID WINAPI PathCombineAW(
  71         LPVOID szDest,
  72         LPCVOID lpszDir,
  73         LPCVOID lpszFile)
  74 {
  75         if (SHELL_OsIsUnicode())
  76           return PathCombineW( szDest, lpszDir, lpszFile );
  77         return PathCombineA( szDest, lpszDir, lpszFile );
  78 }
  79
  80 /*************************************************************************
  81  * PathAddBackslash             [SHELL32.32]
  82  */
  83 LPVOID WINAPI PathAddBackslashAW(LPVOID lpszPath)
  84 {
  85         if(SHELL_OsIsUnicode())
  86           return PathAddBackslashW(lpszPath);
  87         return PathAddBackslashA(lpszPath);
  88 }
  89
  90 /*************************************************************************
  91  * PathBuildRoot                [SHELL32.30]
  92  */
  93 LPVOID WINAPI PathBuildRootAW(LPVOID lpszPath, int drive)
  94 {
  95         if(SHELL_OsIsUnicode())
  96           return PathBuildRootW(lpszPath, drive);
  97         return PathBuildRootA(lpszPath, drive);
  98 }
  99
 100 /*
 101         Extracting Component Parts
 102 */
 103
 104 /*************************************************************************
 105  * PathFindFileName     [SHELL32.34]
 106  */
 107 LPVOID WINAPI PathFindFileNameAW(LPCVOID lpszPath)
 108 {
 109         if(SHELL_OsIsUnicode())
 110           return PathFindFileNameW(lpszPath);
 111         return PathFindFileNameA(lpszPath);
 112 }
 113
 114 /*************************************************************************
 115  * PathFindExtension            [SHELL32.31]
 116  */
 117 LPVOID WINAPI PathFindExtensionAW(LPCVOID lpszPath)
 118 {
 119         if (SHELL_OsIsUnicode())
 120           return PathFindExtensionW(lpszPath);
 121         return PathFindExtensionA(lpszPath);
 122
 123 }
 124
 125 /*************************************************************************
 126  * PathGetExtensionA            [internal]
 127  *
 128  * NOTES
 129  *  exported by ordinal
 130  *  return value points to the first char after the dot
 131  */
 132 static LPSTR PathGetExtensionA(LPCSTR lpszPath)
 133 {
 134         TRACE("(%s)\n",lpszPath);
 135
 136         lpszPath = PathFindExtensionA(lpszPath);
 137         return (LPSTR)(*lpszPath?(lpszPath+1):lpszPath);
 138 }
 139
 140 /*************************************************************************
 141  * PathGetExtensionW            [internal]
 142  */
 143 static LPWSTR PathGetExtensionW(LPCWSTR lpszPath)
 144 {
 145         TRACE("(%s)\n",debugstr_w(lpszPath));
 146
 147         lpszPath = PathFindExtensionW(lpszPath);
 148         return (LPWSTR)(*lpszPath?(lpszPath+1):lpszPath);
 149 }
 150
 151 /*************************************************************************
 152  * PathGetExtension             [SHELL32.158]
 153  */
 154 LPVOID WINAPI PathGetExtensionAW(LPCVOID lpszPath,DWORD void1, DWORD void2)
 155 {
 156         if (SHELL_OsIsUnicode())
 157           return PathGetExtensionW(lpszPath);
 158         return PathGetExtensionA(lpszPath);
 159 }
 160
 161 /*************************************************************************
 162  * PathGetArgs  [SHELL32.52]
 163  */
 164 LPVOID WINAPI PathGetArgsAW(LPVOID lpszPath)
 165 {
 166         if (SHELL_OsIsUnicode())
 167           return PathGetArgsW(lpszPath);
 168         return PathGetArgsA(lpszPath);
 169 }
 170
 171 /*************************************************************************
 172  * PathGetDriveNumber   [SHELL32.57]
 173  */
 174 int WINAPI PathGetDriveNumberAW(LPVOID lpszPath)
 175 {
 176         if (SHELL_OsIsUnicode())
 177           return PathGetDriveNumberW(lpszPath);
 178         return PathGetDriveNumberA(lpszPath);
 179 }
 180
 181 /*************************************************************************
 182  * PathRemoveFileSpec [SHELL32.35]
 183  */
 184 BOOL WINAPI PathRemoveFileSpecAW(LPVOID lpszPath)
 185 {
 186         if (SHELL_OsIsUnicode())
 187           return PathRemoveFileSpecW(lpszPath);
 188         return PathRemoveFileSpecA(lpszPath);
 189 }
 190
 191 /*************************************************************************
 192  * PathStripPath        [SHELL32.38]
 193  */
 194 void WINAPI PathStripPathAW(LPVOID lpszPath)
 195 {
 196         if (SHELL_OsIsUnicode())
 197             PathStripPathW(lpszPath);
 198         else
 199             PathStripPathA(lpszPath);
 200 }
 201
 202 /*************************************************************************
 203  * PathStripToRoot      [SHELL32.50]
 204  */
 205 BOOL WINAPI PathStripToRootAW(LPVOID lpszPath)
 206 {
 207         if (SHELL_OsIsUnicode())
 208           return PathStripToRootW(lpszPath);
 209         return PathStripToRootA(lpszPath);
 210 }
 211
 212 /*************************************************************************
 213  * PathRemoveArgs       [SHELL32.251]
 214  */
 215 void WINAPI PathRemoveArgsAW(LPVOID lpszPath)
 216 {
 217         if (SHELL_OsIsUnicode())
 218             PathRemoveArgsW(lpszPath);
 219         else
 220             PathRemoveArgsA(lpszPath);
 221 }
 222
 223 /*************************************************************************
 224  * PathRemoveExtension  [SHELL32.250]
 225  */
 226 void WINAPI PathRemoveExtensionAW(LPVOID lpszPath)
 227 {
 228         if (SHELL_OsIsUnicode())
 229             PathRemoveExtensionW(lpszPath);
 230         else
 231             PathRemoveExtensionA(lpszPath);
 232 }
 233
 234
 235 /*
 236         Path Manipulations
 237 */
 238
 239 /*************************************************************************
 240  * PathGetShortPathA [internal]
 241  */
 242 static void PathGetShortPathA(LPSTR pszPath)
 243 {
 244         CHAR path[MAX_PATH];
 245
 246         TRACE("%s\n", pszPath);
 247
 248         if (GetShortPathNameA(pszPath, path, MAX_PATH))
 249         {
 250           lstrcpyA(pszPath, path);
 251         }
 252 }
 253
 254 /*************************************************************************
 255  * PathGetShortPathW [internal]
 256  */
 257 static void PathGetShortPathW(LPWSTR pszPath)
 258 {
 259         WCHAR path[MAX_PATH];
 260
 261         TRACE("%s\n", debugstr_w(pszPath));
 262
 263         if (GetShortPathNameW(pszPath, path, MAX_PATH))
 264         {
 265           lstrcpyW(pszPath, path);
 266         }
 267 }
 268
 269 /*************************************************************************
 270  * PathGetShortPath [SHELL32.92]
 271  */
 272 VOID WINAPI PathGetShortPathAW(LPVOID pszPath)
 273 {
 274         if(SHELL_OsIsUnicode())
 275           PathGetShortPathW(pszPath);
 276         PathGetShortPathA(pszPath);
 277 }
 278
 279 /*************************************************************************
 280  * PathRemoveBlanks [SHELL32.33]
 281  */
 282 void WINAPI PathRemoveBlanksAW(LPVOID str)
 283 {
 284         if(SHELL_OsIsUnicode())
 285             PathRemoveBlanksW(str);
 286         else
 287             PathRemoveBlanksA(str);
 288 }
 289
 290 /*************************************************************************
 291  * PathQuoteSpaces [SHELL32.55]
 292  */
 293 VOID WINAPI PathQuoteSpacesAW (LPVOID lpszPath)
 294 {
 295         if(SHELL_OsIsUnicode())
 296             PathQuoteSpacesW(lpszPath);
 297         else
 298             PathQuoteSpacesA(lpszPath);
 299 }
 300
 301 /*************************************************************************
 302  * PathUnquoteSpaces [SHELL32.56]
 303  */
 304 VOID WINAPI PathUnquoteSpacesAW(LPVOID str)
 305 {
 306         if(SHELL_OsIsUnicode())
 307           PathUnquoteSpacesW(str);
 308         else
 309           PathUnquoteSpacesA(str);
 310 }
 311
 312 /*************************************************************************
 313  * PathParseIconLocation        [SHELL32.249]
 314  */
 315 int WINAPI PathParseIconLocationAW (LPVOID lpszPath)
 316 {
 317         if(SHELL_OsIsUnicode())
 318           return PathParseIconLocationW(lpszPath);
 319         return PathParseIconLocationA(lpszPath);
 320 }
 321
 322 /*
 323         ########## Path Testing ##########
 324 */
 325 /*************************************************************************
 326  * PathIsUNC            [SHELL32.39]
 327  */
 328 BOOL WINAPI PathIsUNCAW (LPCVOID lpszPath)
 329 {
 330         if (SHELL_OsIsUnicode())
 331           return PathIsUNCW( lpszPath );
 332         return PathIsUNCA( lpszPath );
 333 }
 334
 335 /*************************************************************************
 336  *  PathIsRelative      [SHELL32.40]
 337  */
 338 BOOL WINAPI PathIsRelativeAW (LPCVOID lpszPath)
 339 {
 340         if (SHELL_OsIsUnicode())
 341           return PathIsRelativeW( lpszPath );
 342         return PathIsRelativeA( lpszPath );
 343 }
 344
 345 /*************************************************************************
 346  * PathIsRoot           [SHELL32.29]
 347  */
 348 BOOL WINAPI PathIsRootAW(LPCVOID lpszPath)
 349 {
 350         if (SHELL_OsIsUnicode())
 351           return PathIsRootW(lpszPath);
 352         return PathIsRootA(lpszPath);
 353 }
 354
 355 /*************************************************************************
 356  *  PathIsExeA          [internal]
 357  */
 358 static BOOL PathIsExeA (LPCSTR lpszPath)
 359 {
 360         LPCSTR lpszExtension = PathGetExtensionA(lpszPath);
 361         int i;
 362         static const char * const lpszExtensions[] =
 363             {"exe", "com", "pif", "cmd", "bat", "scf", "scr", NULL };
 364
 365         TRACE("path=%s\n",lpszPath);
 366
 367         for(i=0; lpszExtensions[i]; i++)
 368           if (!lstrcmpiA(lpszExtension,lpszExtensions[i])) return TRUE;
 369
 370         return FALSE;
 371 }
 372
 373 /*************************************************************************
 374  *  PathIsExeW          [internal]
 375  */
 376 static BOOL PathIsExeW (LPCWSTR lpszPath)
 377 {
 378         LPCWSTR lpszExtension = PathGetExtensionW(lpszPath);
 379         int i;
 380         static const WCHAR lpszExtensions[][4] =
 381             {{'e','x','e','\0'}, {'c','o','m','\0'}, {'p','i','f','\0'},
 382              {'c','m','d','\0'}, {'b','a','t','\0'}, {'s','c','f','\0'},
 383              {'s','c','r','\0'}, {'\0'} };
 384
 385         TRACE("path=%s\n",debugstr_w(lpszPath));
 386
 387         for(i=0; lpszExtensions[i][0]; i++)
 388           if (!strcmpiW(lpszExtension,lpszExtensions[i])) return TRUE;
 389
 390         return FALSE;
 391 }
 392
 393 /*************************************************************************
 394  *  PathIsExe           [SHELL32.43]
 395  */
 396 BOOL WINAPI PathIsExeAW (LPCVOID path)
 397 {
 398         if (SHELL_OsIsUnicode())
 399           return PathIsExeW (path);
 400         return PathIsExeA(path);
 401 }
 402
 403 /*************************************************************************
 404  * PathIsDirectory      [SHELL32.159]
 405  */
 406 BOOL WINAPI PathIsDirectoryAW (LPCVOID lpszPath)
 407 {
 408         if (SHELL_OsIsUnicode())
 409           return PathIsDirectoryW (lpszPath);
 410         return PathIsDirectoryA (lpszPath);
 411 }
 412
 413 /*************************************************************************
 414  * PathFileExists       [SHELL32.45]
 415  */
 416 BOOL WINAPI PathFileExistsAW (LPCVOID lpszPath)
 417 {
 418         if (SHELL_OsIsUnicode())
 419           return PathFileExistsW (lpszPath);
 420         return PathFileExistsA (lpszPath);
 421 }
 422
 423 /*************************************************************************
 424  * PathMatchSpec        [SHELL32.46]
 425  */
 426 BOOL WINAPI PathMatchSpecAW(LPVOID name, LPVOID mask)
 427 {
 428         if (SHELL_OsIsUnicode())
 429           return PathMatchSpecW( name, mask );
 430         return PathMatchSpecA( name, mask );
 431 }
 432
 433 /*************************************************************************
 434  * PathIsSameRoot       [SHELL32.650]
 435  */
 436 BOOL WINAPI PathIsSameRootAW(LPCVOID lpszPath1, LPCVOID lpszPath2)
 437 {
 438         if (SHELL_OsIsUnicode())
 439           return PathIsSameRootW(lpszPath1, lpszPath2);
 440         return PathIsSameRootA(lpszPath1, lpszPath2);
 441 }
 442
 443 /*************************************************************************
 444  * IsLFNDriveA          [SHELL32.41]
 445  */
 446 BOOL WINAPI IsLFNDriveA(LPCSTR lpszPath)
 447 {
 448     DWORD       fnlen;
 449
 450     if (!GetVolumeInformationA(lpszPath, NULL, 0, NULL, &fnlen, NULL, NULL, 0))
 451         return FALSE;
 452     return fnlen > 12;
 453 }
 454
 455 /*************************************************************************
 456  * IsLFNDriveW          [SHELL32.42]
 457  */
 458 BOOL WINAPI IsLFNDriveW(LPCWSTR lpszPath)
 459 {
 460     DWORD       fnlen;
 461
 462     if (!GetVolumeInformationW(lpszPath, NULL, 0, NULL, &fnlen, NULL, NULL, 0))
 463         return FALSE;
 464     return fnlen > 12;
 465 }
 466
 467 /*************************************************************************
 468  * IsLFNDrive           [SHELL32.119]
 469  */
 470 BOOL WINAPI IsLFNDriveAW(LPCVOID lpszPath)
 471 {
 472         if (SHELL_OsIsUnicode())
 473           return IsLFNDriveW(lpszPath);
 474         return IsLFNDriveA(lpszPath);
 475 }
 476
 477 /*
 478         ########## Creating Something Unique ##########
 479 */
 480 /*************************************************************************
 481  * PathMakeUniqueNameA  [internal]
 482  */
 483 BOOL WINAPI PathMakeUniqueNameA(
 484         LPSTR lpszBuffer,
 485         DWORD dwBuffSize,
 486         LPCSTR lpszShortName,
 487         LPCSTR lpszLongName,
 488         LPCSTR lpszPathName)
 489 {
 490         FIXME("%p %lu %s %s %s stub\n",
 491          lpszBuffer, dwBuffSize, debugstr_a(lpszShortName),
 492          debugstr_a(lpszLongName), debugstr_a(lpszPathName));
 493         return TRUE;
 494 }
 495
 496 /*************************************************************************
 497  * PathMakeUniqueNameW  [internal]
 498  */
 499 BOOL WINAPI PathMakeUniqueNameW(
 500         LPWSTR lpszBuffer,
 501         DWORD dwBuffSize,
 502         LPCWSTR lpszShortName,
 503         LPCWSTR lpszLongName,
 504         LPCWSTR lpszPathName)
 505 {
 506         FIXME("%p %lu %s %s %s stub\n",
 507          lpszBuffer, dwBuffSize, debugstr_w(lpszShortName),
 508          debugstr_w(lpszLongName), debugstr_w(lpszPathName));
 509         return TRUE;
 510 }
 511
 512 /*************************************************************************
 513  * PathMakeUniqueName   [SHELL32.47]
 514  */
 515 BOOL WINAPI PathMakeUniqueNameAW(
 516         LPVOID lpszBuffer,
 517         DWORD dwBuffSize,
 518         LPCVOID lpszShortName,
 519         LPCVOID lpszLongName,
 520         LPCVOID lpszPathName)
 521 {
 522         if (SHELL_OsIsUnicode())
 523           return PathMakeUniqueNameW(lpszBuffer,dwBuffSize, lpszShortName,lpszLongName,lpszPathName);
 524         return PathMakeUniqueNameA(lpszBuffer,dwBuffSize, lpszShortName,lpszLongName,lpszPathName);
 525 }
 526
 527 /*************************************************************************
 528  * PathYetAnotherMakeUniqueName [SHELL32.75]
 529  *
 530  * NOTES
 531  *     exported by ordinal
 532  */
 533 BOOL WINAPI PathYetAnotherMakeUniqueName(
 534         LPWSTR lpszBuffer,
 535         LPCWSTR lpszPathName,
 536         LPCWSTR lpszShortName,
 537         LPCWSTR lpszLongName)
 538 {
 539     FIXME("(%p, %s, %s ,%s):stub.\n",
 540           lpszBuffer, debugstr_w(lpszPathName), debugstr_w(lpszShortName), debugstr_w(lpszLongName));
 541     return TRUE;
 542 }
 543
 544
 545 /*
 546         ########## cleaning and resolving paths ##########
 547  */
 548
 549 /*************************************************************************
 550  * PathFindOnPath       [SHELL32.145]
 551  */
 552 BOOL WINAPI PathFindOnPathAW(LPVOID sFile, LPCVOID sOtherDirs)
 553 {
 554         if (SHELL_OsIsUnicode())
 555           return PathFindOnPathW(sFile, (LPCWSTR *)sOtherDirs);
 556         return PathFindOnPathA(sFile, (LPCSTR *)sOtherDirs);
 557 }
 558
 559 /*************************************************************************
 560  * PathCleanupSpec      [SHELL32.171]
 561  *
 562  * lpszFile is changed in place.
 563  */
 564 int WINAPI PathCleanupSpec( LPCWSTR lpszPathW, LPWSTR lpszFileW )
 565 {
 566     int i = 0;
 567     DWORD rc = 0;
 568     int length = 0;
 569
 570     if (SHELL_OsIsUnicode())
 571     {
 572         LPWSTR p = lpszFileW;
 573
 574         TRACE("Cleanup %s\n",debugstr_w(lpszFileW));
 575
 576         if (lpszPathW)
 577             length = strlenW(lpszPathW);
 578
 579         while (*p)
 580         {
 581             int gct = PathGetCharTypeW(*p);
 582             if (gct == GCT_INVALID || gct == GCT_WILD || gct == GCT_SEPARATOR)
 583             {
 584                 lpszFileW[i]='-';
 585                 rc |= PCS_REPLACEDCHAR;
 586             }
 587             else
 588                 lpszFileW[i]=*p;
 589             i++;
 590             p++;
 591             if (length + i == MAX_PATH)
 592             {
 593                 rc |= PCS_FATAL | PCS_PATHTOOLONG;
 594                 break;
 595             }
 596         }
 597         lpszFileW[i]=0;
 598     }
 599     else
 600     {
 601         LPSTR lpszFileA = (LPSTR)lpszFileW;
 602         LPCSTR lpszPathA = (LPSTR)lpszPathW;
 603         LPSTR p = lpszFileA;
 604
 605         TRACE("Cleanup %s\n",debugstr_a(lpszFileA));
 606
 607         if (lpszPathA)
 608             length = strlen(lpszPathA);
 609
 610         while (*p)
 611         {
 612             int gct = PathGetCharTypeA(*p);
 613             if (gct == GCT_INVALID || gct == GCT_WILD || gct == GCT_SEPARATOR)
 614             {
 615                 lpszFileA[i]='-';
 616                 rc |= PCS_REPLACEDCHAR;
 617             }
 618             else
 619                 lpszFileA[i]=*p;
 620             i++;
 621             p++;
 622             if (length + i == MAX_PATH)
 623             {
 624                 rc |= PCS_FATAL | PCS_PATHTOOLONG;
 625                 break;
 626             }
 627         }
 628         lpszFileA[i]=0;
 629     }
 630     return rc;
 631 }
 632
 633 /*************************************************************************
 634  * PathQualifyA         [SHELL32]
 635  */
 636 BOOL WINAPI PathQualifyA(LPCSTR pszPath)
 637 {
 638         FIXME("%s\n",pszPath);
 639         return 0;
 640 }
 641
 642 /*************************************************************************
 643  * PathQualifyW         [SHELL32]
 644  */
 645 BOOL WINAPI PathQualifyW(LPCWSTR pszPath)
 646 {
 647         FIXME("%s\n",debugstr_w(pszPath));
 648         return 0;
 649 }
 650
 651 /*************************************************************************
 652  * PathQualify  [SHELL32.49]
 653  */
 654 BOOL WINAPI PathQualifyAW(LPCVOID pszPath)
 655 {
 656         if (SHELL_OsIsUnicode())
 657           return PathQualifyW(pszPath);
 658         return PathQualifyA(pszPath);
 659 }
 660
 661 /*************************************************************************
 662  * PathResolveA [SHELL32.51]
 663  */
 664 BOOL WINAPI PathResolveA(
 665         LPSTR lpszPath,
 666         LPCSTR *alpszPaths,
 667         DWORD dwFlags)
 668 {
 669         FIXME("(%s,%p,0x%08lx),stub!\n",
 670           lpszPath, *alpszPaths, dwFlags);
 671         return 0;
 672 }
 673
 674 /*************************************************************************
 675  * PathResolveW [SHELL32]
 676  */
 677 BOOL WINAPI PathResolveW(
 678         LPWSTR lpszPath,
 679         LPCWSTR *alpszPaths,
 680         DWORD dwFlags)
 681 {
 682         FIXME("(%s,%p,0x%08lx),stub!\n",
 683           debugstr_w(lpszPath), debugstr_w(*alpszPaths), dwFlags);
 684         return 0;
 685 }
 686
 687 /*************************************************************************
 688  * PathResolve [SHELL32.51]
 689  */
 690 BOOL WINAPI PathResolveAW(
 691         LPVOID lpszPath,
 692         LPCVOID *alpszPaths,
 693         DWORD dwFlags)
 694 {
 695         if (SHELL_OsIsUnicode())
 696           return PathResolveW(lpszPath, (LPCWSTR*)alpszPaths, dwFlags);
 697         return PathResolveA(lpszPath, (LPCSTR*)alpszPaths, dwFlags);
 698 }
 699
 700 /*************************************************************************
 701 *       PathProcessCommandA     [SHELL32.653]
 702 */
 703 LONG WINAPI PathProcessCommandA (
 704         LPCSTR lpszPath,
 705         LPSTR lpszBuff,
 706         DWORD dwBuffSize,
 707         DWORD dwFlags)
 708 {
 709         FIXME("%s %p 0x%04lx 0x%04lx stub\n",
 710         lpszPath, lpszBuff, dwBuffSize, dwFlags);
 711         if(!lpszPath) return -1;
 712         if(lpszBuff) strcpy(lpszBuff, lpszPath);
 713         return strlen(lpszPath);
 714 }
 715
 716 /*************************************************************************
 717 *       PathProcessCommandW
 718 */
 719 LONG WINAPI PathProcessCommandW (
 720         LPCWSTR lpszPath,
 721         LPWSTR lpszBuff,
 722         DWORD dwBuffSize,
 723         DWORD dwFlags)
 724 {
 725         FIXME("(%s, %p, 0x%04lx, 0x%04lx) stub\n",
 726         debugstr_w(lpszPath), lpszBuff, dwBuffSize, dwFlags);
 727         if(!lpszPath) return -1;
 728         if(lpszBuff) strcpyW(lpszBuff, lpszPath);
 729         return strlenW(lpszPath);
 730 }
 731
 732 /*************************************************************************
 733 *       PathProcessCommand (SHELL32.653)
 734 */
 735 LONG WINAPI PathProcessCommandAW (
 736         LPCVOID lpszPath,
 737         LPVOID lpszBuff,
 738         DWORD dwBuffSize,
 739         DWORD dwFlags)
 740 {
 741         if (SHELL_OsIsUnicode())
 742           return PathProcessCommandW(lpszPath, lpszBuff, dwBuffSize, dwFlags);
 743         return PathProcessCommandA(lpszPath, lpszBuff, dwBuffSize, dwFlags);
 744 }
 745
 746 /*
 747         ########## special ##########
 748 */
 749
 750 /*************************************************************************
 751  * PathSetDlgItemPath (SHELL32.48)
 752  */
 753 VOID WINAPI PathSetDlgItemPathAW(HWND hDlg, int id, LPCVOID pszPath)
 754 {
 755         if (SHELL_OsIsUnicode())
 756             PathSetDlgItemPathW(hDlg, id, pszPath);
 757         else
 758             PathSetDlgItemPathA(hDlg, id, pszPath);
 759 }
 760
 761 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'};
 762 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'};
 763 static const WCHAR AppDataW[] = {'A','p','p','D','a','t','a','\0'};
 764 static const WCHAR CacheW[] = {'C','a','c','h','e','\0'};
 765 static const WCHAR CD_BurningW[] = {'C','D',' ','B','u','r','n','i','n','g','\0'};
 766 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'};
 767 static const WCHAR Common_AppDataW[] = {'C','o','m','m','o','n',' ','A','p','p','D','a','t','a','\0'};
 768 static const WCHAR Common_DesktopW[] = {'C','o','m','m','o','n',' ','D','e','s','k','t','o','p','\0'};
 769 static const WCHAR Common_DocumentsW[] = {'C','o','m','m','o','n',' ','D','o','c','u','m','e','n','t','s','\0'};
 770 static const WCHAR CommonFilesDirW[] = {'C','o','m','m','o','n','F','i','l','e','s','D','i','r','\0'};
 771 static const WCHAR CommonMusicW[] = {'C','o','m','m','o','n','M','u','s','i','c','\0'};
 772 static const WCHAR CommonPicturesW[] = {'C','o','m','m','o','n','P','i','c','t','u','r','e','s','\0'};
 773 static const WCHAR Common_ProgramsW[] = {'C','o','m','m','o','n',' ','P','r','o','g','r','a','m','s','\0'};
 774 static const WCHAR Common_StartUpW[] = {'C','o','m','m','o','n',' ','S','t','a','r','t','U','p','\0'};
 775 static const WCHAR Common_Start_MenuW[] = {'C','o','m','m','o','n',' ','S','t','a','r','t',' ','M','e','n','u','\0'};
 776 static const WCHAR Common_TemplatesW[] = {'C','o','m','m','o','n',' ','T','e','m','p','l','a','t','e','s','\0'};
 777 static const WCHAR CommonVideoW[] = {'C','o','m','m','o','n','V','i','d','e','o','\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 FavoritesW[] = {'F','a','v','o','r','i','t','e','s','\0'};
 781 static const WCHAR FontsW[] = {'F','o','n','t','s','\0'};
 782 static const WCHAR HistoryW[] = {'H','i','s','t','o','r','y','\0'};
 783 static const WCHAR Local_AppDataW[] = {'L','o','c','a','l',' ','A','p','p','D','a','t','a','\0'};
 784 static const WCHAR My_MusicW[] = {'M','y',' ','M','u','s','i','c','\0'};
 785 static const WCHAR My_PicturesW[] = {'M','y',' ','P','i','c','t','u','r','e','s','\0'};
 786 static const WCHAR My_VideoW[] = {'M','y',' ','V','i','d','e','o','\0'};
 787 static const WCHAR NetHoodW[] = {'N','e','t','H','o','o','d','\0'};
 788 static const WCHAR PersonalW[] = {'P','e','r','s','o','n','a','l','\0'};
 789 static const WCHAR PrintHoodW[] = {'P','r','i','n','t','H','o','o','d','\0'};
 790 static const WCHAR ProgramFilesDirW[] = {'P','r','o','g','r','a','m','F','i','l','e','s','D','i','r','\0'};
 791 static const WCHAR ProgramsW[] = {'P','r','o','g','r','a','m','s','\0'};
 792 static const WCHAR RecentW[] = {'R','e','c','e','n','t','\0'};
 793 static const WCHAR ResourcesW[] = {'R','e','s','o','u','r','c','e','s','\0'};
 794 static const WCHAR SendToW[] = {'S','e','n','d','T','o','\0'};
 795 static const WCHAR StartUpW[] = {'S','t','a','r','t','U','p','\0'};
 796 static const WCHAR Start_MenuW[] = {'S','t','a','r','t',' ','M','e','n','u','\0'};
 797 static const WCHAR TemplatesW[] = {'T','e','m','p','l','a','t','e','s','\0'};
 798 static const WCHAR DefaultW[] = {'.','D','e','f','a','u','l','t','\0'};
 799 static const WCHAR AllUsersProfileW[] = {'%','A','L','L','U','S','E','R','S','P','R','O','F','I','L','E','%','\0'};
 800 static const WCHAR UserProfileW[] = {'%','U','S','E','R','P','R','O','F','I','L','E','%','\0'};
 801 static const WCHAR SystemDriveW[] = {'%','S','y','s','t','e','m','D','r','i','v','e','%','\0'};
 802 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};
 803 static const WCHAR ProfilesDirectoryW[] = {'P','r','o','f','i','l','e','s','D','i','r','e','c','t','o','r','y',0};
 804 static const WCHAR AllUsersProfileValueW[] = {'A','l','l','U','s','e','r','s','P','r','o','f','i','l','e','\0'};
 805 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'};
 806 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'};
 807 static const WCHAR szSHSetupFolders[] = {'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'};
 808 /* This defaults to L"Documents and Settings" on Windows 2000/XP, but we're
 809  * acting more Windows 9x-like for now.
 810  */
 811 static const WCHAR szDefaultProfileDirW[] = {'p','r','o','f','i','l','e','s','\0'};
 812 static const WCHAR AllUsersW[] = {'A','l','l',' ','U','s','e','r','s','\0'};
 813
 814 typedef enum _CSIDL_Type {
 815     CSIDL_Type_User,
 816     CSIDL_Type_AllUsers,
 817     CSIDL_Type_CurrVer,
 818     CSIDL_Type_Disallowed,
 819     CSIDL_Type_NonExistent,
 820     CSIDL_Type_WindowsPath,
 821     CSIDL_Type_SystemPath,
 822 } CSIDL_Type;
 823
 824 typedef struct
 825 {
 826     CSIDL_Type type;
 827     LPCWSTR    szValueName;
 828     LPCWSTR    szDefaultPath; /* fallback string or resource ID */
 829 } CSIDL_DATA;
 830
 831 static const CSIDL_DATA CSIDL_Data[] =
 832 {
 833     { /* 0x00 - CSIDL_DESKTOP */
 834         CSIDL_Type_User,
 835         DesktopW,
 836         MAKEINTRESOURCEW(IDS_DESKTOPDIRECTORY)
 837     },
 838     { /* 0x01 - CSIDL_INTERNET */
 839         CSIDL_Type_Disallowed,
 840         NULL,
 841         NULL
 842     },
 843     { /* 0x02 - CSIDL_PROGRAMS */
 844         CSIDL_Type_User,
 845         ProgramsW,
 846         MAKEINTRESOURCEW(IDS_PROGRAMS)
 847     },
 848     { /* 0x03 - CSIDL_CONTROLS (.CPL files) */
 849         CSIDL_Type_SystemPath,
 850         NULL,
 851         NULL
 852     },
 853     { /* 0x04 - CSIDL_PRINTERS */
 854         CSIDL_Type_SystemPath,
 855         NULL,
 856         NULL
 857     },
 858     { /* 0x05 - CSIDL_PERSONAL */
 859         CSIDL_Type_User,
 860         PersonalW,
 861         MAKEINTRESOURCEW(IDS_PERSONAL)
 862     },
 863     { /* 0x06 - CSIDL_FAVORITES */
 864         CSIDL_Type_User,
 865         FavoritesW,
 866         MAKEINTRESOURCEW(IDS_FAVORITES)
 867     },
 868     { /* 0x07 - CSIDL_STARTUP */
 869         CSIDL_Type_User,
 870         StartUpW,
 871         MAKEINTRESOURCEW(IDS_STARTUP)
 872     },
 873     { /* 0x08 - CSIDL_RECENT */
 874         CSIDL_Type_User,
 875         RecentW,
 876         MAKEINTRESOURCEW(IDS_RECENT)
 877     },
 878     { /* 0x09 - CSIDL_SENDTO */
 879         CSIDL_Type_User,
 880         SendToW,
 881         MAKEINTRESOURCEW(IDS_SENDTO)
 882     },
 883     { /* 0x0a - CSIDL_BITBUCKET - Recycle Bin */
 884         CSIDL_Type_Disallowed,
 885         NULL,
 886         NULL,
 887     },
 888     { /* 0x0b - CSIDL_STARTMENU */
 889         CSIDL_Type_User,
 890         Start_MenuW,
 891         MAKEINTRESOURCEW(IDS_STARTMENU)
 892     },
 893     { /* 0x0c - CSIDL_MYDOCUMENTS */
 894         CSIDL_Type_Disallowed, /* matches WinXP--can't get its path */
 895         NULL,
 896         NULL
 897     },
 898     { /* 0x0d - CSIDL_MYMUSIC */
 899         CSIDL_Type_User,
 900         My_MusicW,
 901         MAKEINTRESOURCEW(IDS_MYMUSIC)
 902     },
 903     { /* 0x0e - CSIDL_MYVIDEO */
 904         CSIDL_Type_User,
 905         My_VideoW,
 906         MAKEINTRESOURCEW(IDS_MYVIDEO)
 907     },
 908     { /* 0x0f - unassigned */
 909         CSIDL_Type_Disallowed,
 910         NULL,
 911         NULL,
 912     },
 913     { /* 0x10 - CSIDL_DESKTOPDIRECTORY */
 914         CSIDL_Type_User,
 915         DesktopW,
 916         MAKEINTRESOURCEW(IDS_DESKTOPDIRECTORY)
 917     },
 918     { /* 0x11 - CSIDL_DRIVES */
 919         CSIDL_Type_Disallowed,
 920         NULL,
 921         NULL,
 922     },
 923     { /* 0x12 - CSIDL_NETWORK */
 924         CSIDL_Type_Disallowed,
 925         NULL,
 926         NULL,
 927     },
 928     { /* 0x13 - CSIDL_NETHOOD */
 929         CSIDL_Type_User,
 930         NetHoodW,
 931         MAKEINTRESOURCEW(IDS_NETHOOD)
 932     },
 933     { /* 0x14 - CSIDL_FONTS */
 934         CSIDL_Type_WindowsPath,
 935         NULL,
 936         FontsW
 937     },
 938     { /* 0x15 - CSIDL_TEMPLATES */
 939         CSIDL_Type_User,
 940         TemplatesW,
 941         MAKEINTRESOURCEW(IDS_TEMPLATES)
 942     },
 943     { /* 0x16 - CSIDL_COMMON_STARTMENU */
 944         CSIDL_Type_AllUsers,
 945         Common_Start_MenuW,
 946         MAKEINTRESOURCEW(IDS_STARTMENU)
 947     },
 948     { /* 0x17 - CSIDL_COMMON_PROGRAMS */
 949         CSIDL_Type_AllUsers,
 950         Common_ProgramsW,
 951         MAKEINTRESOURCEW(IDS_PROGRAMS)
 952     },
 953     { /* 0x18 - CSIDL_COMMON_STARTUP */
 954         CSIDL_Type_AllUsers,
 955         Common_StartUpW,
 956         MAKEINTRESOURCEW(IDS_STARTUP)
 957     },
 958     { /* 0x19 - CSIDL_COMMON_DESKTOPDIRECTORY */
 959         CSIDL_Type_AllUsers,
 960         Common_DesktopW,
 961         MAKEINTRESOURCEW(IDS_DESKTOP)
 962     },
 963     { /* 0x1a - CSIDL_APPDATA */
 964         CSIDL_Type_User,
 965         AppDataW,
 966         MAKEINTRESOURCEW(IDS_APPDATA)
 967     },
 968     { /* 0x1b - CSIDL_PRINTHOOD */
 969         CSIDL_Type_User,
 970         PrintHoodW,
 971         MAKEINTRESOURCEW(IDS_PRINTHOOD)
 972     },
 973     { /* 0x1c - CSIDL_LOCAL_APPDATA */
 974         CSIDL_Type_User,
 975         Local_AppDataW,
 976         MAKEINTRESOURCEW(IDS_LOCAL_APPDATA)
 977     },
 978     { /* 0x1d - CSIDL_ALTSTARTUP */
 979         CSIDL_Type_NonExistent,
 980         NULL,
 981         NULL
 982     },
 983     { /* 0x1e - CSIDL_COMMON_ALTSTARTUP */
 984         CSIDL_Type_NonExistent,
 985         NULL,
 986         NULL
 987     },
 988     { /* 0x1f - CSIDL_COMMON_FAVORITES */
 989         CSIDL_Type_AllUsers,
 990         FavoritesW,
 991         MAKEINTRESOURCEW(IDS_FAVORITES)
 992     },
 993     { /* 0x20 - CSIDL_INTERNET_CACHE */
 994         CSIDL_Type_User,
 995         CacheW,
 996         MAKEINTRESOURCEW(IDS_INTERNET_CACHE)
 997     },
 998     { /* 0x21 - CSIDL_COOKIES */
 999         CSIDL_Type_User,
1000         CookiesW,
1001         MAKEINTRESOURCEW(IDS_COOKIES)
1002     },
1003     { /* 0x22 - CSIDL_HISTORY */
1004         CSIDL_Type_User,
1005         HistoryW,
1006         MAKEINTRESOURCEW(IDS_HISTORY)
1007     },
1008     { /* 0x23 - CSIDL_COMMON_APPDATA */
1009         CSIDL_Type_AllUsers,
1010         Common_AppDataW,
1011         MAKEINTRESOURCEW(IDS_APPDATA)
1012     },
1013     { /* 0x24 - CSIDL_WINDOWS */
1014         CSIDL_Type_WindowsPath,
1015         NULL,
1016         NULL
1017     },
1018     { /* 0x25 - CSIDL_SYSTEM */
1019         CSIDL_Type_SystemPath,
1020         NULL,
1021         NULL
1022     },
1023     { /* 0x26 - CSIDL_PROGRAM_FILES */
1024         CSIDL_Type_CurrVer,
1025         ProgramFilesDirW,
1026         MAKEINTRESOURCEW(IDS_PROGRAM_FILES)
1027     },
1028     { /* 0x27 - CSIDL_MYPICTURES */
1029         CSIDL_Type_User,
1030         My_PicturesW,
1031         MAKEINTRESOURCEW(IDS_MYPICTURES)
1032     },
1033     { /* 0x28 - CSIDL_PROFILE */
1034         CSIDL_Type_User,
1035         NULL,
1036         NULL
1037     },
1038     { /* 0x29 - CSIDL_SYSTEMX86 */
1039         CSIDL_Type_NonExistent,
1040         NULL,
1041         NULL
1042     },
1043     { /* 0x2a - CSIDL_PROGRAM_FILESX86 */
1044         CSIDL_Type_NonExistent,
1045         NULL,
1046         NULL
1047     },
1048     { /* 0x2b - CSIDL_PROGRAM_FILES_COMMON */
1049         CSIDL_Type_CurrVer,
1050         CommonFilesDirW,
1051         MAKEINTRESOURCEW(IDS_PROGRAM_FILES_COMMON)
1052     },
1053     { /* 0x2c - CSIDL_PROGRAM_FILES_COMMONX86 */
1054         CSIDL_Type_NonExistent,
1055         NULL,
1056         NULL
1057     },
1058     { /* 0x2d - CSIDL_COMMON_TEMPLATES */
1059         CSIDL_Type_AllUsers,
1060         Common_TemplatesW,
1061         MAKEINTRESOURCEW(IDS_TEMPLATES)
1062     },
1063     { /* 0x2e - CSIDL_COMMON_DOCUMENTS */
1064         CSIDL_Type_AllUsers,
1065         Common_DocumentsW,
1066         MAKEINTRESOURCEW(IDS_COMMON_DOCUMENTS)
1067     },
1068     { /* 0x2f - CSIDL_COMMON_ADMINTOOLS */
1069         CSIDL_Type_AllUsers,
1070         Common_Administrative_ToolsW,
1071         MAKEINTRESOURCEW(IDS_ADMINTOOLS)
1072     },
1073     { /* 0x30 - CSIDL_ADMINTOOLS */
1074         CSIDL_Type_User,
1075         Administrative_ToolsW,
1076         MAKEINTRESOURCEW(IDS_ADMINTOOLS)
1077     },
1078     { /* 0x31 - CSIDL_CONNECTIONS */
1079         CSIDL_Type_Disallowed,
1080         NULL,
1081         NULL
1082     },
1083     { /* 0x32 - unassigned */
1084         CSIDL_Type_Disallowed,
1085         NULL,
1086         NULL
1087     },
1088     { /* 0x33 - unassigned */
1089         CSIDL_Type_Disallowed,
1090         NULL,
1091         NULL
1092     },
1093     { /* 0x34 - unassigned */
1094         CSIDL_Type_Disallowed,
1095         NULL,
1096         NULL
1097     },
1098     { /* 0x35 - CSIDL_COMMON_MUSIC */
1099         CSIDL_Type_AllUsers,
1100         CommonMusicW,
1101         MAKEINTRESOURCEW(IDS_COMMON_MUSIC)
1102     },
1103     { /* 0x36 - CSIDL_COMMON_PICTURES */
1104         CSIDL_Type_AllUsers,
1105         CommonPicturesW,
1106         MAKEINTRESOURCEW(IDS_COMMON_PICTURES)
1107     },
1108     { /* 0x37 - CSIDL_COMMON_VIDEO */
1109         CSIDL_Type_AllUsers,
1110         CommonVideoW,
1111         MAKEINTRESOURCEW(IDS_COMMON_VIDEO)
1112     },
1113     { /* 0x38 - CSIDL_RESOURCES */
1114         CSIDL_Type_WindowsPath,
1115         NULL,
1116         ResourcesW
1117     },
1118     { /* 0x39 - CSIDL_RESOURCES_LOCALIZED */
1119         CSIDL_Type_NonExistent,
1120         NULL,
1121         NULL
1122     },
1123     { /* 0x3a - CSIDL_COMMON_OEM_LINKS */
1124         CSIDL_Type_NonExistent,
1125         NULL,
1126         NULL
1127     },
1128     { /* 0x3b - CSIDL_CDBURN_AREA */
1129         CSIDL_Type_User,
1130         CD_BurningW,
1131         MAKEINTRESOURCEW(IDS_CDBURN_AREA)
1132     },
1133     { /* 0x3c unassigned */
1134         CSIDL_Type_Disallowed,
1135         NULL,
1136         NULL
1137     },
1138     { /* 0x3d - CSIDL_COMPUTERSNEARME */
1139         CSIDL_Type_Disallowed, /* FIXME */
1140         NULL,
1141         NULL
1142     },
1143     { /* 0x3e - CSIDL_PROFILES */
1144         CSIDL_Type_Disallowed, /* oddly, this matches WinXP */
1145         NULL,
1146         NULL
1147     }
1148 };
1149
1150 static HRESULT _SHExpandEnvironmentStrings(LPCWSTR szSrc, LPWSTR szDest);
1151
1152 /* Gets the value named value from the registry key
1153  * rootKey\Software\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders
1154  * (or from rootKey\userPrefix\... if userPrefix is not NULL) into path, which
1155  * is assumed to be MAX_PATH WCHARs in length.
1156  * If it exists, expands the value and writes the expanded value to
1157  * rootKey\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders
1158  * Returns successful error code if the value was retrieved from the registry,
1159  * and a failure otherwise.
1160  */
1161 static HRESULT _SHGetUserShellFolderPath(HKEY rootKey, LPCWSTR userPrefix,
1162  LPCWSTR value, LPWSTR path)
1163 {
1164     HRESULT hr;
1165     WCHAR shellFolderPath[MAX_PATH], userShellFolderPath[MAX_PATH];
1166     LPCWSTR pShellFolderPath, pUserShellFolderPath;
1167     DWORD dwDisp, dwType, dwPathLen = MAX_PATH;
1168     HKEY userShellFolderKey, shellFolderKey;
1169
1170     TRACE("%p,%s,%s,%p\n",rootKey, debugstr_w(userPrefix), debugstr_w(value),
1171      path);
1172
1173     if (userPrefix)
1174     {
1175         strcpyW(shellFolderPath, userPrefix);
1176         PathAddBackslashW(shellFolderPath);
1177         strcatW(shellFolderPath, szSHFolders);
1178         pShellFolderPath = shellFolderPath;
1179         strcpyW(userShellFolderPath, userPrefix);
1180         PathAddBackslashW(userShellFolderPath);
1181         strcatW(userShellFolderPath, szSHUserFolders);
1182         pUserShellFolderPath = userShellFolderPath;
1183     }
1184     else
1185     {
1186         pUserShellFolderPath = szSHUserFolders;
1187         pShellFolderPath = szSHFolders;
1188     }
1189
1190     if (RegCreateKeyExW(rootKey, pShellFolderPath, 0, NULL, 0, KEY_ALL_ACCESS,
1191      NULL, &shellFolderKey, &dwDisp))
1192     {
1193         TRACE("Failed to create %s\n", debugstr_w(pShellFolderPath));
1194         return E_FAIL;
1195     }
1196     if (RegCreateKeyExW(rootKey, pUserShellFolderPath, 0, NULL, 0,
1197      KEY_ALL_ACCESS, NULL, &userShellFolderKey, &dwDisp))
1198     {
1199         TRACE("Failed to create %s\n",
1200          debugstr_w(pUserShellFolderPath));
1201         RegCloseKey(shellFolderKey);
1202         return E_FAIL;
1203     }
1204
1205     if (!RegQueryValueExW(userShellFolderKey, value, NULL, &dwType,
1206      (LPBYTE)path, &dwPathLen) && (dwType == REG_EXPAND_SZ || dwType == REG_SZ))
1207     {
1208         LONG ret;
1209
1210         path[dwPathLen / sizeof(WCHAR)] = '\0';
1211         if (dwType == REG_EXPAND_SZ && path[0] == '%')
1212         {
1213             WCHAR szTemp[MAX_PATH];
1214
1215             _SHExpandEnvironmentStrings(path, szTemp);
1216             lstrcpynW(path, szTemp, MAX_PATH);
1217         }
1218         ret = RegSetValueExW(shellFolderKey, value, 0, REG_SZ, (LPBYTE)path,
1219          (strlenW(path) + 1) * sizeof(WCHAR));
1220         if (ret != ERROR_SUCCESS)
1221             hr = HRESULT_FROM_WIN32(ret);
1222         else
1223             hr = S_OK;
1224     }
1225     else
1226         hr = E_FAIL;
1227     RegCloseKey(shellFolderKey);
1228     RegCloseKey(userShellFolderKey);
1229     TRACE("returning 0x%08lx\n", hr);
1230     return hr;
1231 }
1232
1233 /* Gets a 'semi-expanded' default value of the CSIDL with index folder into
1234  * pszPath, based on the entries in CSIDL_Data.  By semi-expanded, I mean:
1235  * - The entry's szDefaultPath may be either a string value or an integer
1236  *   resource identifier.  In the latter case, the string value of the resource
1237  *   is written.
1238  * - Depending on the entry's type, the path may begin with an (unexpanded)
1239  *   environment variable name.  The caller is responsible for expanding
1240  *   environment strings if so desired.
1241  *   The types that are prepended with environment variables are:
1242  *   CSIDL_Type_User:     %USERPROFILE%
1243  *   CSIDL_Type_AllUsers: %ALLUSERSPROFILE%
1244  *   CSIDL_Type_CurrVer:  %SystemDrive%
1245  *   (Others might make sense too, but as yet are unneeded.)
1246  */
1247 static HRESULT _SHGetDefaultValue(BYTE folder, LPWSTR pszPath)
1248 {
1249     HRESULT hr;
1250     WCHAR resourcePath[MAX_PATH];
1251     LPCWSTR pDefaultPath = NULL;
1252
1253     TRACE("0x%02x,%p\n", folder, pszPath);
1254
1255     if (folder >= sizeof(CSIDL_Data) / sizeof(CSIDL_Data[0]))
1256         return E_INVALIDARG;
1257     if (!pszPath)
1258         return E_INVALIDARG;
1259
1260     /* Try special cases first */
1261     hr = E_FAIL;
1262     switch (folder)
1263     {
1264         case CSIDL_PERSONAL:
1265         case CSIDL_MYMUSIC:
1266         case CSIDL_MYPICTURES:
1267         case CSIDL_MYVIDEO:
1268         {
1269             const char *home = getenv("HOME");
1270
1271             /* special case for "My Documents", map to $HOME */
1272             if (home)
1273             {
1274                 WCHAR homeW[MAX_PATH];
1275
1276                 MultiByteToWideChar(CP_ACP, 0, home, -1, homeW, MAX_PATH);
1277                 if (GetFullPathNameW(homeW, MAX_PATH, pszPath, NULL) != 0 &&
1278                  PathIsDirectoryW(pszPath))
1279                     hr = S_OK;
1280             }
1281             break;
1282         }
1283         case CSIDL_DESKTOP:
1284         case CSIDL_DESKTOPDIRECTORY:
1285         {
1286             const char *home = getenv("HOME");
1287
1288             /* special case for Desktop, map to $HOME/Desktop if it exists */
1289             if (home)
1290             {
1291                 WCHAR desktopW[MAX_PATH];
1292
1293                 MultiByteToWideChar(CP_ACP, 0, home, -1, desktopW, MAX_PATH);
1294                 PathAppendW(desktopW, DesktopW);
1295                 if (GetFullPathNameW(desktopW, MAX_PATH, pszPath, NULL) != 0 &&
1296                  PathIsDirectoryW(pszPath))
1297                     hr = S_OK;
1298             }
1299             break;
1300         }
1301     }
1302     if (SUCCEEDED(hr))
1303         return hr;
1304
1305     /* Either the folder was unhandled, or a suitable default wasn't found,
1306      * so use one of the resource-based defaults
1307      */
1308     if (CSIDL_Data[folder].szDefaultPath &&
1309      IS_INTRESOURCE(CSIDL_Data[folder].szDefaultPath))
1310     {
1311         if (LoadStringW(shell32_hInstance,
1312          LOWORD(CSIDL_Data[folder].szDefaultPath), resourcePath, MAX_PATH))
1313         {
1314             hr = S_OK;
1315             pDefaultPath = resourcePath;
1316         }
1317         else
1318         {
1319             FIXME("(%d,%s), LoadString failed, missing translation?\n", folder,
1320              debugstr_w(pszPath));
1321             hr = E_FAIL;
1322         }
1323     }
1324     else
1325     {
1326         hr = S_OK;
1327         pDefaultPath = CSIDL_Data[folder].szDefaultPath;
1328     }
1329     if (SUCCEEDED(hr))
1330     {
1331         switch (CSIDL_Data[folder].type)
1332         {
1333             case CSIDL_Type_User:
1334                 strcpyW(pszPath, UserProfileW);
1335                 break;
1336             case CSIDL_Type_AllUsers:
1337                 strcpyW(pszPath, AllUsersProfileW);
1338                 break;
1339             case CSIDL_Type_CurrVer:
1340                 strcpyW(pszPath, SystemDriveW);
1341                 break;
1342             default:
1343                 ; /* no corresponding env. var, do nothing */
1344         }
1345         if (pDefaultPath)
1346         {
1347             PathAddBackslashW(pszPath);
1348             strcatW(pszPath, pDefaultPath);
1349         }
1350     }
1351     TRACE("returning 0x%08lx\n", hr);
1352     return hr;
1353 }
1354
1355 /* Gets the (unexpanded) value of the folder with index folder into pszPath.
1356  * The folder's type is assumed to be CSIDL_Type_CurrVer.  Its default value
1357  * can be overridden in the HKLM\\szCurrentVersion key.
1358  * If dwFlags has SHGFP_TYPE_DEFAULT set or if the value isn't overridden in
1359  * the registry, uses _SHGetDefaultValue to get the value.
1360  */
1361 static HRESULT _SHGetCurrentVersionPath(DWORD dwFlags, BYTE folder,
1362  LPWSTR pszPath)
1363 {
1364     HRESULT hr;
1365
1366     TRACE("0x%08lx,0x%02x,%p\n", dwFlags, folder, pszPath);
1367
1368     if (folder >= sizeof(CSIDL_Data) / sizeof(CSIDL_Data[0]))
1369         return E_INVALIDARG;
1370     if (CSIDL_Data[folder].type != CSIDL_Type_CurrVer)
1371         return E_INVALIDARG;
1372     if (!pszPath)
1373         return E_INVALIDARG;
1374
1375     if (dwFlags & SHGFP_TYPE_DEFAULT)
1376         hr = _SHGetDefaultValue(folder, pszPath);
1377     else
1378     {
1379         HKEY hKey;
1380         DWORD dwDisp;
1381
1382         if (RegCreateKeyExW(HKEY_LOCAL_MACHINE, szCurrentVersion, 0,
1383          NULL, 0, KEY_ALL_ACCESS, NULL, &hKey, &dwDisp))
1384             hr = E_FAIL;
1385         else
1386         {
1387             DWORD dwType, dwPathLen = MAX_PATH * sizeof(WCHAR);
1388
1389             if (RegQueryValueExW(hKey, CSIDL_Data[folder].szValueName, NULL,
1390              &dwType, (LPBYTE)pszPath, &dwPathLen) ||
1391              (dwType != REG_SZ && dwType != REG_EXPAND_SZ))
1392             {
1393                 hr = _SHGetDefaultValue(folder, pszPath);
1394                 dwType = REG_EXPAND_SZ;
1395                 RegSetValueExW(hKey, CSIDL_Data[folder].szValueName, 0, dwType,
1396                  (LPBYTE)pszPath, (strlenW(pszPath)+1)*sizeof(WCHAR));
1397             }
1398             else
1399             {
1400                 pszPath[dwPathLen / sizeof(WCHAR)] = '\0';
1401                 hr = S_OK;
1402             }
1403             RegCloseKey(hKey);
1404         }
1405     }
1406     TRACE("returning 0x%08lx (output path is %s)\n", hr, debugstr_w(pszPath));
1407     return hr;
1408 }
1409
1410 /* Gets the user's path (unexpanded) for the CSIDL with index folder:
1411  * If SHGFP_TYPE_DEFAULT is set, calls _SHGetDefaultValue for it.  Otherwise
1412  * calls _SHGetUserShellFolderPath for it.  Where it looks depends on hToken:
1413  * - if hToken is -1, looks in HKEY_USERS\.Default
1414  * - otherwise looks first in HKEY_CURRENT_USER, followed by HKEY_LOCAL_MACHINE
1415  *   if HKEY_CURRENT_USER doesn't contain any entries.  If both fail, finally
1416  *   calls _SHGetDefaultValue for it.
1417  */
1418 static HRESULT _SHGetUserProfilePath(HANDLE hToken, DWORD dwFlags, BYTE folder,
1419  LPWSTR pszPath)
1420 {
1421     HRESULT hr;
1422
1423     TRACE("%p,0x%08lx,0x%02x,%p\n", hToken, dwFlags, folder, pszPath);
1424
1425     if (folder >= sizeof(CSIDL_Data) / sizeof(CSIDL_Data[0]))
1426         return E_INVALIDARG;
1427     if (CSIDL_Data[folder].type != CSIDL_Type_User)
1428         return E_INVALIDARG;
1429     if (!pszPath)
1430         return E_INVALIDARG;
1431
1432     /* Only the current user and the default user are supported right now
1433      * I'm afraid.
1434      * FIXME: should be able to call GetTokenInformation on the token,
1435      * then call ConvertSidToStringSidW on it to get the user prefix.
1436      * But Wine's registry doesn't store user info by sid, it stores it
1437      * by user name (and I don't know how to convert from a token to a
1438      * user name).
1439      */
1440     if (hToken != NULL && hToken != (HANDLE)-1)
1441     {
1442         FIXME("unsupported for user other than current or default\n");
1443         return E_FAIL;
1444     }
1445
1446     if (dwFlags & SHGFP_TYPE_DEFAULT)
1447         hr = _SHGetDefaultValue(folder, pszPath);
1448     else
1449     {
1450         LPCWSTR userPrefix = NULL;
1451         HKEY hRootKey;
1452
1453         if (hToken == (HANDLE)-1)
1454         {
1455             hRootKey = HKEY_USERS;
1456             userPrefix = DefaultW;
1457         }
1458         else /* hToken == NULL, other values disallowed above */
1459             hRootKey = HKEY_CURRENT_USER;
1460         hr = _SHGetUserShellFolderPath(hRootKey, userPrefix,
1461          CSIDL_Data[folder].szValueName, pszPath);
1462         if (FAILED(hr) && hRootKey != HKEY_LOCAL_MACHINE)
1463             hr = _SHGetUserShellFolderPath(HKEY_LOCAL_MACHINE, NULL,
1464              CSIDL_Data[folder].szValueName, pszPath);
1465         if (FAILED(hr))
1466             hr = _SHGetDefaultValue(folder, pszPath);
1467     }
1468     TRACE("returning 0x%08lx (output path is %s)\n", hr, debugstr_w(pszPath));
1469     return hr;
1470 }
1471
1472 /* Gets the (unexpanded) path for the CSIDL with index folder.  If dwFlags has
1473  * SHGFP_TYPE_DEFAULT set, calls _SHGetDefaultValue.  Otherwise calls
1474  * _SHGetUserShellFolderPath for it, looking only in HKEY_LOCAL_MACHINE.
1475  * If this fails, falls back to _SHGetDefaultValue.
1476  */
1477 static HRESULT _SHGetAllUsersProfilePath(DWORD dwFlags, BYTE folder,
1478  LPWSTR pszPath)
1479 {
1480     HRESULT hr;
1481
1482     TRACE("0x%08lx,0x%02x,%p\n", dwFlags, folder, pszPath);
1483
1484     if (folder >= sizeof(CSIDL_Data) / sizeof(CSIDL_Data[0]))
1485         return E_INVALIDARG;
1486     if (CSIDL_Data[folder].type != CSIDL_Type_AllUsers)
1487         return E_INVALIDARG;
1488     if (!pszPath)
1489         return E_INVALIDARG;
1490
1491     if (dwFlags & SHGFP_TYPE_DEFAULT)
1492         hr = _SHGetDefaultValue(folder, pszPath);
1493     else
1494     {
1495         hr = _SHGetUserShellFolderPath(HKEY_LOCAL_MACHINE, NULL,
1496          CSIDL_Data[folder].szValueName, pszPath);
1497         if (FAILED(hr))
1498             hr = _SHGetDefaultValue(folder, pszPath);
1499     }
1500     TRACE("returning 0x%08lx (output path is %s)\n", hr, debugstr_w(pszPath));
1501     return hr;
1502 }
1503
1504 /* From the original Wine source:
1505  *
1506  * Attempts to expand environment variables from szSrc into szDest, which is
1507  * assumed to be MAX_PATH characters in length.  Before referring to the
1508  * environment, handles a few variables directly, because the environment
1509  * variables may not be set when this is called (as during Wine's installation
1510  * when default values are being written to the registry).
1511  * The directly handled environment variables, and their source, are:
1512  * - ALLUSERSPROFILE, USERPROFILE: reads from the registry
1513  * - SystemDrive: uses GetSystemDirectoryW and uses the drive portion of its
1514  *   path
1515  * If one of the directly handled environment variables is expanded, only
1516  * expands a single variable, and only in the beginning of szSrc.
1517  *
1518  * That's fine for Wine, but it breaks in ReactOS where we have profile paths
1519  * like "c:\documents and settings\Administrator.REACTOS". Anyway, we have the
1520  * environment variables handy so we'll just use them instead of hacking around
1521  */
1522 static HRESULT _SHExpandEnvironmentStrings(LPCWSTR szSrc, LPWSTR szDest)
1523 {
1524     HRESULT hr = S_OK;
1525     WCHAR szTemp[MAX_PATH];
1526
1527     TRACE("%s, %p\n", debugstr_w(szSrc), szDest);
1528
1529     if (!szSrc || !szDest) return E_INVALIDARG;
1530
1531     /* short-circuit if there's nothing to expand */
1532     if (szSrc[0] != '%')
1533     {
1534         strcpyW(szDest, szSrc);
1535         hr = S_OK;
1536         goto end;
1537     }
1538
1539     *szDest = 0;
1540     strcpyW(szTemp, szSrc);
1541     while (SUCCEEDED(hr) && szTemp[0] == '%')
1542     {
1543         DWORD ret = ExpandEnvironmentStringsW(szSrc, szDest, MAX_PATH);
1544
1545         if (ret > MAX_PATH)
1546             hr = HRESULT_FROM_WIN32(ERROR_INSUFFICIENT_BUFFER);
1547         else if (ret == 0)
1548             hr = HRESULT_FROM_WIN32(GetLastError());
1549         else
1550             hr = S_OK;
1551         /* By default, terminate loop */
1552         szTemp[0] = '\0';
1553         if (SUCCEEDED(hr) && strcmpW(szSrc, szDest) != 0)
1554         {
1555             /* Continue the loop */
1556             strcpyW(szTemp, szDest);
1557         }
1558     }
1559 end:
1560     TRACE("returning 0x%08lx (input was %s, output is %s)\n", hr,
1561      debugstr_w(szSrc), debugstr_w(szDest));
1562     return hr;
1563 }
1564
1565 /*************************************************************************
1566  * SHGetFolderPathW                     [SHELL32.@]
1567  *
1568  * Convert nFolder to path.
1569  *
1570  * RETURNS
1571  *  Success: S_OK
1572  *  Failure: standard HRESULT error codes.
1573  *
1574  * NOTES
1575  * Most values can be overridden in either
1576  * HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders
1577  * or in the same location in HKLM.
1578  * The registry usage is explained by the following tech note:
1579  * http://www.microsoft.com/windows2000/techinfo/reskit/en-us/default.asp?url=/windows2000/techinfo/reskit/en-us/regentry/36173.asp
1580  * The "Shell Folders" registry key was used in NT4 and earlier systems.
1581  * Beginning with Windows 2000, the "User Shell Folders" key is used, so
1582  * changes made to it are made to the former key too.  This synchronization is
1583  * done on-demand: not until someone requests the value of one of these paths
1584  * (by calling one of the SHGet functions) is the value synchronized.
1585  * Furthermore, as explained here:
1586  * http://www.microsoft.com/windows2000/techinfo/reskit/en-us/default.asp?url=/windows2000/techinfo/reskit/en-us/regentry/36276.asp
1587  * the HKCU paths take precedence over the HKLM paths.
1588  *
1589  */
1590 HRESULT WINAPI SHGetFolderPathW(
1591         HWND hwndOwner,    /* [I] owner window */
1592         int nFolder,       /* [I] CSIDL identifying the folder */
1593         HANDLE hToken,     /* [I] access token */
1594         DWORD dwFlags,     /* [I] which path to return */
1595         LPWSTR pszPath)    /* [O] converted path */
1596 {
1597     HRESULT    hr;
1598     WCHAR      szBuildPath[MAX_PATH], szTemp[MAX_PATH];
1599     DWORD      folder = nFolder & CSIDL_FOLDER_MASK;
1600     CSIDL_Type type;
1601     int        ret;
1602
1603     TRACE("%p,%p,nFolder=0x%04x\n", hwndOwner,pszPath,nFolder);
1604
1605     /* Windows always NULL-terminates the resulting path regardless of success
1606      * or failure, so do so first
1607      */
1608     if (pszPath)
1609         *pszPath = '\0';
1610     if (folder >= sizeof(CSIDL_Data) / sizeof(CSIDL_Data[0]))
1611         return E_INVALIDARG;
1612     szTemp[0] = 0;
1613     type = CSIDL_Data[folder].type;
1614     switch (type)
1615     {
1616         case CSIDL_Type_Disallowed:
1617             hr = E_INVALIDARG;
1618             break;
1619         case CSIDL_Type_NonExistent:
1620             hr = S_FALSE;
1621             break;
1622         case CSIDL_Type_WindowsPath:
1623             GetWindowsDirectoryW(szTemp, MAX_PATH);
1624             if (CSIDL_Data[folder].szDefaultPath &&
1625              !IS_INTRESOURCE(CSIDL_Data[folder].szDefaultPath) &&
1626              *CSIDL_Data[folder].szDefaultPath)
1627             {
1628                 PathAddBackslashW(szTemp);
1629                 strcatW(szTemp, CSIDL_Data[folder].szDefaultPath);
1630             }
1631             hr = S_OK;
1632             break;
1633         case CSIDL_Type_SystemPath:
1634             GetSystemDirectoryW(szTemp, MAX_PATH);
1635             if (CSIDL_Data[folder].szDefaultPath &&
1636              !IS_INTRESOURCE(CSIDL_Data[folder].szDefaultPath) &&
1637              *CSIDL_Data[folder].szDefaultPath)
1638             {
1639                 PathAddBackslashW(szTemp);
1640                 strcatW(szTemp, CSIDL_Data[folder].szDefaultPath);
1641             }
1642             hr = S_OK;
1643             break;
1644         case CSIDL_Type_CurrVer:
1645             hr = _SHGetCurrentVersionPath(dwFlags, folder, szTemp);
1646             break;
1647         case CSIDL_Type_User:
1648             hr = _SHGetUserProfilePath(hToken, dwFlags, folder, szTemp);
1649             break;
1650         case CSIDL_Type_AllUsers:
1651             hr = _SHGetAllUsersProfilePath(dwFlags, folder, szTemp);
1652             break;
1653         default:
1654             FIXME("bogus type %d, please fix\n", type);
1655             hr = E_INVALIDARG;
1656             break;
1657     }
1658
1659     /* Expand environment strings if necessary */
1660     if (*szTemp == '%')
1661         hr = _SHExpandEnvironmentStrings(szTemp, szBuildPath);
1662     else
1663         strcpyW(szBuildPath, szTemp);
1664     /* Copy the path if it's available before we might return */
1665     if (SUCCEEDED(hr) && pszPath)
1666         strcpyW(pszPath, szBuildPath);
1667
1668     if (FAILED(hr)) goto end;
1669
1670     /* if we don't care about existing directories we are ready */
1671     if(nFolder & CSIDL_FLAG_DONT_VERIFY) goto end;
1672
1673     if (PathFileExistsW(szBuildPath)) goto end;
1674
1675     /* not existing but we are not allowed to create it.  The return value
1676      * is verified against shell32 version 6.0.
1677      */
1678     if (!(nFolder & CSIDL_FLAG_CREATE))
1679     {
1680         hr = HRESULT_FROM_WIN32(ERROR_FILE_NOT_FOUND);
1681         goto end;
1682     }
1683
1684     /* create directory/directories */
1685     ret = SHCreateDirectoryExW(hwndOwner, szBuildPath, NULL);
1686     if (ret && ret != ERROR_ALREADY_EXISTS)
1687     {
1688         ERR("Failed to create directory '%s'.\n", debugstr_w(szBuildPath));
1689         hr = E_FAIL;
1690         goto end;
1691     }
1692
1693     TRACE("Created missing system directory '%s'\n", debugstr_w(szBuildPath));
1694 end:
1695     TRACE("returning 0x%08lx (final path is %s)\n", hr, debugstr_w(szBuildPath));
1696     return hr;
1697 }
1698
1699 /*************************************************************************
1700  * SHGetFolderPathA                     [SHELL32.@]
1701  *
1702  * See SHGetFolderPathW.
1703  */
1704 HRESULT WINAPI SHGetFolderPathA(
1705         HWND hwndOwner,
1706         int nFolder,
1707         HANDLE hToken,
1708         DWORD dwFlags,
1709         LPSTR pszPath)
1710 {
1711     WCHAR szTemp[MAX_PATH];
1712     HRESULT hr;
1713
1714     TRACE("%p,%p,nFolder=0x%04x\n",hwndOwner,pszPath,nFolder);
1715
1716     if (pszPath)
1717         *pszPath = '\0';
1718     hr = SHGetFolderPathW(hwndOwner, nFolder, hToken, dwFlags, szTemp);
1719     if (SUCCEEDED(hr) && pszPath)
1720         WideCharToMultiByte(CP_ACP, 0, szTemp, -1, pszPath, MAX_PATH, NULL,
1721          NULL);
1722
1723     return hr;
1724 }
1725
1726 /* For each folder in folders, if its value has not been set in the registry,
1727  * calls _SHGetUserProfilePath or _SHGetAllUsersProfilePath (depending on the
1728  * folder's type) to get the unexpanded value first.
1729  * Writes the unexpanded value to User Shell Folders, and queries it with
1730  * SHGetFolderPathW to force the creation of the directory if it doesn't
1731  * already exist.  SHGetFolderPathW also returns the expanded value, which
1732  * this then writes to Shell Folders.
1733  */
1734 static HRESULT _SHRegisterFolders(HKEY hRootKey, HANDLE hToken,
1735  LPCWSTR szUserShellFolderPath, LPCWSTR szShellFolderPath, const UINT folders[],
1736  UINT foldersLen)
1737 {
1738     UINT i;
1739     WCHAR path[MAX_PATH];
1740     HRESULT hr = S_OK;
1741     HKEY hUserKey = NULL, hKey = NULL;
1742     DWORD dwDisp, dwType, dwPathLen;
1743     LONG ret;
1744
1745     TRACE("%p,%p,%s,%p,%u\n", hRootKey, hToken,
1746      debugstr_w(szUserShellFolderPath), folders, foldersLen);
1747
1748     ret = RegCreateKeyExW(hRootKey, szUserShellFolderPath, 0, NULL, 0,
1749      KEY_ALL_ACCESS, NULL, &hUserKey, &dwDisp);
1750     if (ret)
1751         hr = HRESULT_FROM_WIN32(ret);
1752     else
1753     {
1754         ret = RegCreateKeyExW(hRootKey, szShellFolderPath, 0, NULL, 0,
1755          KEY_ALL_ACCESS, NULL, &hKey, &dwDisp);
1756         if (ret)
1757             hr = HRESULT_FROM_WIN32(ret);
1758     }
1759     for (i = 0; SUCCEEDED(hr) && i < foldersLen; i++)
1760     {
1761         dwPathLen = MAX_PATH * sizeof(WCHAR);
1762         if (RegQueryValueExW(hUserKey, CSIDL_Data[folders[i]].szValueName, NULL,
1763          &dwType, (LPBYTE)path, &dwPathLen) || (dwType != REG_SZ &&
1764          dwType != REG_EXPAND_SZ))
1765         {
1766             *path = '\0';
1767             if (CSIDL_Data[folders[i]].type == CSIDL_Type_User)
1768                 _SHGetUserProfilePath(hToken, SHGFP_TYPE_DEFAULT, folders[i],
1769                  path);
1770             else if (CSIDL_Data[folders[i]].type == CSIDL_Type_AllUsers)
1771                 _SHGetAllUsersProfilePath(SHGFP_TYPE_DEFAULT, folders[i], path);
1772             else if (CSIDL_Data[folders[i]].type == CSIDL_Type_CurrVer)
1773                 _SHGetDefaultValue(folders[i], path);
1774             else
1775                 hr = E_FAIL;
1776             if (*path)
1777             {
1778                 ret = RegSetValueExW(hUserKey,
1779                  CSIDL_Data[folders[i]].szValueName, 0, REG_EXPAND_SZ,
1780                  (LPBYTE)path, (strlenW(path) + 1) * sizeof(WCHAR));
1781                 if (ret)
1782                     hr = HRESULT_FROM_WIN32(ret);
1783                 else
1784                 {
1785                     hr = SHGetFolderPathW(NULL, folders[i] | CSIDL_FLAG_CREATE,
1786                      hToken, SHGFP_TYPE_DEFAULT, path);
1787                     ret = RegSetValueExW(hKey,
1788                      CSIDL_Data[folders[i]].szValueName, 0, REG_SZ,
1789                      (LPBYTE)path, (strlenW(path) + 1) * sizeof(WCHAR));
1790                     if (ret)
1791                         hr = HRESULT_FROM_WIN32(ret);
1792                 }
1793             }
1794         }
1795     }
1796     if (hUserKey)
1797         RegCloseKey(hUserKey);
1798     if (hKey)
1799         RegCloseKey(hKey);
1800
1801     TRACE("returning 0x%08lx\n", hr);
1802     return hr;
1803 }
1804
1805 static HRESULT _SHRegisterUserShellFolders(BOOL bDefault)
1806 {
1807     static const UINT folders[] = {
1808      CSIDL_PROGRAMS,
1809      CSIDL_PERSONAL,
1810      CSIDL_FAVORITES,
1811      CSIDL_APPDATA,
1812      CSIDL_STARTUP,
1813      CSIDL_RECENT,
1814      CSIDL_SENDTO,
1815      CSIDL_STARTMENU,
1816      CSIDL_MYMUSIC,
1817      CSIDL_MYVIDEO,
1818      CSIDL_DESKTOPDIRECTORY,
1819      CSIDL_NETHOOD,
1820      CSIDL_TEMPLATES,
1821      CSIDL_PRINTHOOD,
1822      CSIDL_LOCAL_APPDATA,
1823      CSIDL_INTERNET_CACHE,
1824      CSIDL_COOKIES,
1825      CSIDL_HISTORY,
1826      CSIDL_MYPICTURES,
1827      CSIDL_ADMINTOOLS
1828     };
1829     WCHAR userShellFolderPath[MAX_PATH], shellFolderPath[MAX_PATH];
1830     LPCWSTR pUserShellFolderPath, pShellFolderPath;
1831     HRESULT hr = S_OK;
1832     HKEY hRootKey;
1833     HANDLE hToken;
1834
1835     TRACE("%s\n", bDefault ? "TRUE" : "FALSE");
1836     if (bDefault)
1837     {
1838         hToken = (HANDLE)-1;
1839         hRootKey = HKEY_USERS;
1840         strcpyW(userShellFolderPath, DefaultW);
1841         PathAddBackslashW(userShellFolderPath);
1842         strcatW(userShellFolderPath, szSHUserFolders);
1843         pUserShellFolderPath = userShellFolderPath;
1844         strcpyW(shellFolderPath, DefaultW);
1845         PathAddBackslashW(shellFolderPath);
1846         strcatW(shellFolderPath, szSHFolders);
1847         pShellFolderPath = shellFolderPath;
1848     }
1849     else
1850     {
1851         hToken = NULL;
1852         hRootKey = HKEY_CURRENT_USER;
1853         pUserShellFolderPath = szSHUserFolders;
1854         pShellFolderPath = szSHFolders;
1855     }
1856
1857     hr = _SHRegisterFolders(hRootKey, hToken, pUserShellFolderPath,
1858      pShellFolderPath, folders, sizeof(folders) / sizeof(folders[0]));
1859     TRACE("returning 0x%08lx\n", hr);
1860     return hr;
1861 }
1862
1863 static HRESULT _SHRegisterCommonShellFolders(void)
1864 {
1865     static const UINT folders[] = {
1866      CSIDL_COMMON_STARTMENU,
1867      CSIDL_COMMON_PROGRAMS,
1868      CSIDL_COMMON_STARTUP,
1869      CSIDL_COMMON_DESKTOPDIRECTORY,
1870      CSIDL_COMMON_FAVORITES,
1871      CSIDL_COMMON_APPDATA,
1872      CSIDL_COMMON_TEMPLATES,
1873      CSIDL_COMMON_DOCUMENTS,
1874     };
1875     HRESULT hr;
1876
1877     TRACE("\n");
1878     hr = _SHRegisterFolders(HKEY_LOCAL_MACHINE, NULL, szSHUserFolders,
1879      szSHFolders, folders, sizeof(folders) / sizeof(folders[0]));
1880     TRACE("returning 0x%08lx\n", hr);
1881     return hr;
1882 }
1883
1884 static HRESULT _SHRegisterSetupShellFolders(void)
1885 {
1886     static const UINT folders[] = {
1887      CSIDL_PROGRAM_FILES_COMMON,
1888      CSIDL_PROGRAM_FILES,
1889     };
1890     HRESULT hr;
1891
1892     TRACE("\n");
1893     hr = _SHRegisterFolders(HKEY_LOCAL_MACHINE, NULL, szSHSetupFolders,
1894      szSHSetupFolders, folders, sizeof(folders) / sizeof(folders[0]));
1895     TRACE("returning 0x%08lx\n", hr);
1896     return hr;
1897 }
1898
1899 /* Register the default values in the registry, as some apps seem to depend
1900  * on their presence.  The set registered was taken from Windows XP.
1901  */
1902 HRESULT SHELL_RegisterShellFolders(void)
1903 {
1904     HRESULT hr = _SHRegisterUserShellFolders(TRUE);
1905
1906     if (SUCCEEDED(hr))
1907         hr = _SHRegisterUserShellFolders(FALSE);
1908     if (SUCCEEDED(hr))
1909         hr = _SHRegisterCommonShellFolders();
1910     if (SUCCEEDED(hr))
1911         hr = _SHRegisterSetupShellFolders();
1912     return hr;
1913 }
1914
1915 /*************************************************************************
1916  * SHGetSpecialFolderPathA [SHELL32.@]
1917  */
1918 BOOL WINAPI SHGetSpecialFolderPathA (
1919         HWND hwndOwner,
1920         LPSTR szPath,
1921         int nFolder,
1922         BOOL bCreate)
1923 {
1924         return (SHGetFolderPathA(
1925                 hwndOwner,
1926                 nFolder + (bCreate ? CSIDL_FLAG_CREATE : 0),
1927                 NULL,
1928                 0,
1929                 szPath)) == S_OK ? TRUE : FALSE;
1930 }
1931
1932 /*************************************************************************
1933  * SHGetSpecialFolderPathW
1934  */
1935 BOOL WINAPI SHGetSpecialFolderPathW (
1936         HWND hwndOwner,
1937         LPWSTR szPath,
1938         int nFolder,
1939         BOOL bCreate)
1940 {
1941         return (SHGetFolderPathW(
1942                 hwndOwner,
1943                 nFolder + (bCreate ? CSIDL_FLAG_CREATE : 0),
1944                 NULL,
1945                 0,
1946                 szPath)) == S_OK ? TRUE : FALSE;
1947 }
1948
1949 /*************************************************************************
1950  * SHGetSpecialFolderPath (SHELL32.175)
1951  */
1952 BOOL WINAPI SHGetSpecialFolderPathAW (
1953         HWND hwndOwner,
1954         LPVOID szPath,
1955         int nFolder,
1956         BOOL bCreate)
1957
1958 {
1959         if (SHELL_OsIsUnicode())
1960           return SHGetSpecialFolderPathW (hwndOwner, szPath, nFolder, bCreate);
1961         return SHGetSpecialFolderPathA (hwndOwner, szPath, nFolder, bCreate);
1962 }
1963
1964 /*************************************************************************
1965  * SHGetFolderLocation [SHELL32.@]
1966  *
1967  * Gets the folder locations from the registry and creates a pidl.
1968  *
1969  * PARAMS
1970  *   hwndOwner  [I]
1971  *   nFolder    [I] CSIDL_xxxxx
1972  *   hToken     [I] token representing user, or NULL for current user, or -1 for
1973  *                  default user
1974  *   dwReserved [I] must be zero
1975  *   ppidl      [O] PIDL of a special folder
1976  *
1977  * RETURNS
1978  *  Success: S_OK
1979  *  Failure: Standard OLE-defined error result, S_FALSE or E_INVALIDARG
1980  *
1981  * NOTES
1982  *  Creates missing reg keys and directories.
1983  *  Mostly forwards to SHGetFolderPathW, but a few values of nFolder return
1984  *  virtual folders that are handled here.
1985  */
1986 HRESULT WINAPI SHGetFolderLocation(
1987         HWND hwndOwner,
1988         int nFolder,
1989         HANDLE hToken,
1990         DWORD dwReserved,
1991         LPITEMIDLIST *ppidl)
1992 {
1993     HRESULT hr = E_INVALIDARG;
1994
1995     TRACE("%p 0x%08x %p 0x%08lx %p\n",
1996      hwndOwner, nFolder, hToken, dwReserved, ppidl);
1997
1998     if (!ppidl)
1999         return E_INVALIDARG;
2000     if (dwReserved)
2001         return E_INVALIDARG;
2002
2003     /* The virtual folders' locations are not user-dependent */
2004     *ppidl = NULL;
2005     switch (nFolder)
2006     {
2007         case CSIDL_DESKTOP:
2008             *ppidl = _ILCreateDesktop();
2009             break;
2010
2011         case CSIDL_INTERNET:
2012             *ppidl = _ILCreateIExplore();
2013             break;
2014
2015         case CSIDL_CONTROLS:
2016             *ppidl = _ILCreateControlPanel();
2017             break;
2018
2019         case CSIDL_PRINTERS:
2020             *ppidl = _ILCreatePrinters();
2021             break;
2022
2023         case CSIDL_FONTS:
2024             FIXME("virtual font folder");
2025             break;
2026
2027         case CSIDL_BITBUCKET:
2028             *ppidl = _ILCreateBitBucket();
2029             break;
2030
2031         case CSIDL_DRIVES:
2032             *ppidl = _ILCreateMyComputer();
2033             break;
2034
2035         case CSIDL_NETWORK:
2036             *ppidl = _ILCreateNetwork();
2037             break;
2038
2039         default:
2040         {
2041             WCHAR szPath[MAX_PATH];
2042
2043             hr = SHGetFolderPathW(hwndOwner, nFolder, hToken,
2044              SHGFP_TYPE_CURRENT, szPath);
2045             if (SUCCEEDED(hr))
2046             {
2047                 DWORD attributes=0;
2048
2049                 TRACE("Value=%s\n", debugstr_w(szPath));
2050                 hr = SHILCreateFromPathW(szPath, ppidl, &attributes);
2051             }
2052             else if (hr == HRESULT_FROM_WIN32(ERROR_FILE_NOT_FOUND))
2053             {
2054                 /* unlike SHGetFolderPath, SHGetFolderLocation in shell32
2055                  * version 6.0 returns E_FAIL for nonexistent paths
2056                  */
2057                 hr = E_FAIL;
2058             }
2059         }
2060     }
2061     if(*ppidl)
2062         hr = NOERROR;
2063
2064     TRACE("-- (new pidl %p)\n",*ppidl);
2065     return hr;
2066 }
2067
2068 /*************************************************************************
2069  * SHGetSpecialFolderLocation           [SHELL32.@]
2070  *
2071  * NOTES
2072  *   In NT5, SHGetSpecialFolderLocation needs the <winntdir>/Recent
2073  *   directory.
2074  */
2075 HRESULT WINAPI SHGetSpecialFolderLocation(
2076         HWND hwndOwner,
2077         INT nFolder,
2078         LPITEMIDLIST * ppidl)
2079 {
2080     HRESULT hr = E_INVALIDARG;
2081
2082     TRACE("(%p,0x%x,%p)\n", hwndOwner,nFolder,ppidl);
2083
2084     if (!ppidl)
2085         return E_INVALIDARG;
2086
2087     hr = SHGetFolderLocation(hwndOwner, nFolder, NULL, 0, ppidl);
2088     return hr;
2089 }