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., 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 HRESULT 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         strcpy(lpszBuff, lpszPath);
 712         return 0;
 713 }
 714
 715 /*************************************************************************
 716 *       PathProcessCommandW
 717 */
 718 HRESULT WINAPI PathProcessCommandW (
 719         LPCWSTR lpszPath,
 720         LPWSTR lpszBuff,
 721         DWORD dwBuffSize,
 722         DWORD dwFlags)
 723 {
 724         FIXME("(%s, %p, 0x%04lx, 0x%04lx) stub\n",
 725         debugstr_w(lpszPath), lpszBuff, dwBuffSize, dwFlags);
 726         strcpyW(lpszBuff, lpszPath);
 727         return 0;
 728 }
 729
 730 /*************************************************************************
 731 *       PathProcessCommand (SHELL32.653)
 732 */
 733 HRESULT WINAPI PathProcessCommandAW (
 734         LPCVOID lpszPath,
 735         LPVOID lpszBuff,
 736         DWORD dwBuffSize,
 737         DWORD dwFlags)
 738 {
 739         if (SHELL_OsIsUnicode())
 740           return PathProcessCommandW(lpszPath, lpszBuff, dwBuffSize, dwFlags);
 741         return PathProcessCommandA(lpszPath, lpszBuff, dwBuffSize, dwFlags);
 742 }
 743
 744 /*
 745         ########## special ##########
 746 */
 747
 748 /*************************************************************************
 749  * PathSetDlgItemPath (SHELL32.48)
 750  */
 751 VOID WINAPI PathSetDlgItemPathAW(HWND hDlg, int id, LPCVOID pszPath)
 752 {
 753         if (SHELL_OsIsUnicode())
 754             PathSetDlgItemPathW(hDlg, id, pszPath);
 755         else
 756             PathSetDlgItemPathA(hDlg, id, pszPath);
 757 }
 758
 759 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'};
 760 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'};
 761 static const WCHAR AppDataW[] = {'A','p','p','D','a','t','a','\0'};
 762 static const WCHAR CacheW[] = {'C','a','c','h','e','\0'};
 763 static const WCHAR CD_BurningW[] = {'C','D',' ','B','u','r','n','i','n','g','\0'};
 764 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'};
 765 static const WCHAR Common_AppDataW[] = {'C','o','m','m','o','n',' ','A','p','p','D','a','t','a','\0'};
 766 static const WCHAR Common_DesktopW[] = {'C','o','m','m','o','n',' ','D','e','s','k','t','o','p','\0'};
 767 static const WCHAR Common_DocumentsW[] = {'C','o','m','m','o','n',' ','D','o','c','u','m','e','n','t','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 CommonMusicW[] = {'C','o','m','m','o','n','M','u','s','i','c','\0'};
 770 static const WCHAR CommonPicturesW[] = {'C','o','m','m','o','n','P','i','c','t','u','r','e','s','\0'};
 771 static const WCHAR Common_ProgramsW[] = {'C','o','m','m','o','n',' ','P','r','o','g','r','a','m','s','\0'};
 772 static const WCHAR Common_StartUpW[] = {'C','o','m','m','o','n',' ','S','t','a','r','t','U','p','\0'};
 773 static const WCHAR Common_Start_MenuW[] = {'C','o','m','m','o','n',' ','S','t','a','r','t',' ','M','e','n','u','\0'};
 774 static const WCHAR Common_TemplatesW[] = {'C','o','m','m','o','n',' ','T','e','m','p','l','a','t','e','s','\0'};
 775 static const WCHAR CommonVideoW[] = {'C','o','m','m','o','n','V','i','d','e','o','\0'};
 776 static const WCHAR CookiesW[] = {'C','o','o','k','i','e','s','\0'};
 777 static const WCHAR DesktopW[] = {'D','e','s','k','t','o','p','\0'};
 778 static const WCHAR FavoritesW[] = {'F','a','v','o','r','i','t','e','s','\0'};
 779 static const WCHAR FontsW[] = {'F','o','n','t','s','\0'};
 780 static const WCHAR HistoryW[] = {'H','i','s','t','o','r','y','\0'};
 781 static const WCHAR Local_AppDataW[] = {'L','o','c','a','l',' ','A','p','p','D','a','t','a','\0'};
 782 static const WCHAR My_MusicW[] = {'M','y',' ','M','u','s','i','c','\0'};
 783 static const WCHAR My_PicturesW[] = {'M','y',' ','P','i','c','t','u','r','e','s','\0'};
 784 static const WCHAR My_VideoW[] = {'M','y',' ','V','i','d','e','o','\0'};
 785 static const WCHAR NetHoodW[] = {'N','e','t','H','o','o','d','\0'};
 786 static const WCHAR PersonalW[] = {'P','e','r','s','o','n','a','l','\0'};
 787 static const WCHAR PrintHoodW[] = {'P','r','i','n','t','H','o','o','d','\0'};
 788 static const WCHAR ProgramFilesDirW[] = {'P','r','o','g','r','a','m','F','i','l','e','s','D','i','r','\0'};
 789 static const WCHAR ProgramsW[] = {'P','r','o','g','r','a','m','s','\0'};
 790 static const WCHAR RecentW[] = {'R','e','c','e','n','t','\0'};
 791 static const WCHAR ResourcesW[] = {'R','e','s','o','u','r','c','e','s','\0'};
 792 static const WCHAR SendToW[] = {'S','e','n','d','T','o','\0'};
 793 static const WCHAR StartUpW[] = {'S','t','a','r','t','U','p','\0'};
 794 static const WCHAR Start_MenuW[] = {'S','t','a','r','t',' ','M','e','n','u','\0'};
 795 static const WCHAR TemplatesW[] = {'T','e','m','p','l','a','t','e','s','\0'};
 796 static const WCHAR DefaultW[] = {'.','D','e','f','a','u','l','t','\0'};
 797 static const WCHAR AllUsersProfileW[] = {'%','A','L','L','U','S','E','R','S','P','R','O','F','I','L','E','%','\0'};
 798 static const WCHAR UserProfileW[] = {'%','U','S','E','R','P','R','O','F','I','L','E','%','\0'};
 799 static const WCHAR SystemDriveW[] = {'%','S','y','s','t','e','m','D','r','i','v','e','%','\0'};
 800 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};
 801 static const WCHAR ProfilesDirectoryW[] = {'P','r','o','f','i','l','e','s','D','i','r','e','c','t','o','r','y',0};
 802 static const WCHAR AllUsersProfileValueW[] = {'A','l','l','U','s','e','r','s','P','r','o','f','i','l','e','\0'};
 803 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'};
 804 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'};
 805 /* This defaults to L"Documents and Settings" on Windows 2000/XP, but we're
 806  * acting more Windows 9x-like for now.
 807  */
 808 static const WCHAR szDefaultProfileDirW[] = {'p','r','o','f','i','l','e','s','\0'};
 809 static const WCHAR AllUsersW[] = {'A','l','l',' ','U','s','e','r','s','\0'};
 810
 811 typedef enum _CSIDL_Type {
 812     CSIDL_Type_User,
 813     CSIDL_Type_AllUsers,
 814     CSIDL_Type_CurrVer,
 815     CSIDL_Type_Disallowed,
 816     CSIDL_Type_NonExistent,
 817     CSIDL_Type_WindowsPath,
 818     CSIDL_Type_SystemPath,
 819 } CSIDL_Type;
 820
 821 typedef struct
 822 {
 823     CSIDL_Type type;
 824     LPCWSTR    szValueName;
 825     LPCWSTR    szDefaultPath; /* fallback string or resource ID */
 826 } CSIDL_DATA;
 827
 828 static const CSIDL_DATA CSIDL_Data[] =
 829 {
 830     { /* 0x00 - CSIDL_DESKTOP */
 831         CSIDL_Type_User,
 832         DesktopW,
 833         MAKEINTRESOURCEW(IDS_DESKTOPDIRECTORY)
 834     },
 835     { /* 0x01 - CSIDL_INTERNET */
 836         CSIDL_Type_Disallowed,
 837         NULL,
 838         NULL
 839     },
 840     { /* 0x02 - CSIDL_PROGRAMS */
 841         CSIDL_Type_User,
 842         ProgramsW,
 843         MAKEINTRESOURCEW(IDS_PROGRAMS)
 844     },
 845     { /* 0x03 - CSIDL_CONTROLS (.CPL files) */
 846         CSIDL_Type_SystemPath,
 847         NULL,
 848         NULL
 849     },
 850     { /* 0x04 - CSIDL_PRINTERS */
 851         CSIDL_Type_SystemPath,
 852         NULL,
 853         NULL
 854     },
 855     { /* 0x05 - CSIDL_PERSONAL */
 856         CSIDL_Type_User,
 857         PersonalW,
 858         MAKEINTRESOURCEW(IDS_PERSONAL)
 859     },
 860     { /* 0x06 - CSIDL_FAVORITES */
 861         CSIDL_Type_User,
 862         FavoritesW,
 863         MAKEINTRESOURCEW(IDS_FAVORITES)
 864     },
 865     { /* 0x07 - CSIDL_STARTUP */
 866         CSIDL_Type_User,
 867         StartUpW,
 868         MAKEINTRESOURCEW(IDS_STARTUP)
 869     },
 870     { /* 0x08 - CSIDL_RECENT */
 871         CSIDL_Type_User,
 872         RecentW,
 873         MAKEINTRESOURCEW(IDS_RECENT)
 874     },
 875     { /* 0x09 - CSIDL_SENDTO */
 876         CSIDL_Type_User,
 877         SendToW,
 878         MAKEINTRESOURCEW(IDS_SENDTO)
 879     },
 880     { /* 0x0a - CSIDL_BITBUCKET - Recycle Bin */
 881         CSIDL_Type_Disallowed,
 882         NULL,
 883         NULL,
 884     },
 885     { /* 0x0b - CSIDL_STARTMENU */
 886         CSIDL_Type_User,
 887         Start_MenuW,
 888         MAKEINTRESOURCEW(IDS_STARTMENU)
 889     },
 890     { /* 0x0c - CSIDL_MYDOCUMENTS */
 891         CSIDL_Type_Disallowed, /* matches WinXP--can't get its path */
 892         NULL,
 893         NULL
 894     },
 895     { /* 0x0d - CSIDL_MYMUSIC */
 896         CSIDL_Type_User,
 897         My_MusicW,
 898         MAKEINTRESOURCEW(IDS_MYMUSIC)
 899     },
 900     { /* 0x0e - CSIDL_MYVIDEO */
 901         CSIDL_Type_User,
 902         My_VideoW,
 903         MAKEINTRESOURCEW(IDS_MYVIDEO)
 904     },
 905     { /* 0x0f - unassigned */
 906         CSIDL_Type_Disallowed,
 907         NULL,
 908         NULL,
 909     },
 910     { /* 0x10 - CSIDL_DESKTOPDIRECTORY */
 911         CSIDL_Type_User,
 912         DesktopW,
 913         MAKEINTRESOURCEW(IDS_DESKTOPDIRECTORY)
 914     },
 915     { /* 0x11 - CSIDL_DRIVES */
 916         CSIDL_Type_Disallowed,
 917         NULL,
 918         NULL,
 919     },
 920     { /* 0x12 - CSIDL_NETWORK */
 921         CSIDL_Type_Disallowed,
 922         NULL,
 923         NULL,
 924     },
 925     { /* 0x13 - CSIDL_NETHOOD */
 926         CSIDL_Type_User,
 927         NetHoodW,
 928         MAKEINTRESOURCEW(IDS_NETHOOD)
 929     },
 930     { /* 0x14 - CSIDL_FONTS */
 931         CSIDL_Type_WindowsPath,
 932         NULL,
 933         FontsW
 934     },
 935     { /* 0x15 - CSIDL_TEMPLATES */
 936         CSIDL_Type_User,
 937         TemplatesW,
 938         MAKEINTRESOURCEW(IDS_TEMPLATES)
 939     },
 940     { /* 0x16 - CSIDL_COMMON_STARTMENU */
 941         CSIDL_Type_AllUsers,
 942         Common_Start_MenuW,
 943         MAKEINTRESOURCEW(IDS_STARTMENU)
 944     },
 945     { /* 0x17 - CSIDL_COMMON_PROGRAMS */
 946         CSIDL_Type_AllUsers,
 947         Common_ProgramsW,
 948         MAKEINTRESOURCEW(IDS_PROGRAMS)
 949     },
 950     { /* 0x18 - CSIDL_COMMON_STARTUP */
 951         CSIDL_Type_AllUsers,
 952         Common_StartUpW,
 953         MAKEINTRESOURCEW(IDS_STARTUP)
 954     },
 955     { /* 0x19 - CSIDL_COMMON_DESKTOPDIRECTORY */
 956         CSIDL_Type_AllUsers,
 957         Common_DesktopW,
 958         MAKEINTRESOURCEW(IDS_DESKTOP)
 959     },
 960     { /* 0x1a - CSIDL_APPDATA */
 961         CSIDL_Type_User,
 962         AppDataW,
 963         MAKEINTRESOURCEW(IDS_APPDATA)
 964     },
 965     { /* 0x1b - CSIDL_PRINTHOOD */
 966         CSIDL_Type_User,
 967         PrintHoodW,
 968         MAKEINTRESOURCEW(IDS_PRINTHOOD)
 969     },
 970     { /* 0x1c - CSIDL_LOCAL_APPDATA */
 971         CSIDL_Type_User,
 972         Local_AppDataW,
 973         MAKEINTRESOURCEW(IDS_LOCAL_APPDATA)
 974     },
 975     { /* 0x1d - CSIDL_ALTSTARTUP */
 976         CSIDL_Type_NonExistent,
 977         NULL,
 978         NULL
 979     },
 980     { /* 0x1e - CSIDL_COMMON_ALTSTARTUP */
 981         CSIDL_Type_NonExistent,
 982         NULL,
 983         NULL
 984     },
 985     { /* 0x1f - CSIDL_COMMON_FAVORITES */
 986         CSIDL_Type_AllUsers,
 987         FavoritesW,
 988         MAKEINTRESOURCEW(IDS_FAVORITES)
 989     },
 990     { /* 0x20 - CSIDL_INTERNET_CACHE */
 991         CSIDL_Type_User,
 992         CacheW,
 993         MAKEINTRESOURCEW(IDS_INTERNET_CACHE)
 994     },
 995     { /* 0x21 - CSIDL_COOKIES */
 996         CSIDL_Type_User,
 997         CookiesW,
 998         MAKEINTRESOURCEW(IDS_COOKIES)
 999     },
1000     { /* 0x22 - CSIDL_HISTORY */
1001         CSIDL_Type_User,
1002         HistoryW,
1003         MAKEINTRESOURCEW(IDS_HISTORY)
1004     },
1005     { /* 0x23 - CSIDL_COMMON_APPDATA */
1006         CSIDL_Type_AllUsers,
1007         Common_AppDataW,
1008         MAKEINTRESOURCEW(IDS_APPDATA)
1009     },
1010     { /* 0x24 - CSIDL_WINDOWS */
1011         CSIDL_Type_WindowsPath,
1012         NULL,
1013         NULL
1014     },
1015     { /* 0x25 - CSIDL_SYSTEM */
1016         CSIDL_Type_SystemPath,
1017         NULL,
1018         NULL
1019     },
1020     { /* 0x26 - CSIDL_PROGRAM_FILES */
1021         CSIDL_Type_CurrVer,
1022         ProgramFilesDirW,
1023         MAKEINTRESOURCEW(IDS_PROGRAM_FILES)
1024     },
1025     { /* 0x27 - CSIDL_MYPICTURES */
1026         CSIDL_Type_User,
1027         My_PicturesW,
1028         MAKEINTRESOURCEW(IDS_MYPICTURES)
1029     },
1030     { /* 0x28 - CSIDL_PROFILE */
1031         CSIDL_Type_User,
1032         NULL,
1033         NULL
1034     },
1035     { /* 0x29 - CSIDL_SYSTEMX86 */
1036         CSIDL_Type_NonExistent,
1037         NULL,
1038         NULL
1039     },
1040     { /* 0x2a - CSIDL_PROGRAM_FILESX86 */
1041         CSIDL_Type_NonExistent,
1042         NULL,
1043         NULL
1044     },
1045     { /* 0x2b - CSIDL_PROGRAM_FILES_COMMON */
1046         CSIDL_Type_CurrVer,
1047         CommonFilesDirW,
1048         MAKEINTRESOURCEW(IDS_PROGRAM_FILES_COMMON)
1049     },
1050     { /* 0x2c - CSIDL_PROGRAM_FILES_COMMONX86 */
1051         CSIDL_Type_NonExistent,
1052         NULL,
1053         NULL
1054     },
1055     { /* 0x2d - CSIDL_COMMON_TEMPLATES */
1056         CSIDL_Type_AllUsers,
1057         Common_TemplatesW,
1058         MAKEINTRESOURCEW(IDS_TEMPLATES)
1059     },
1060     { /* 0x2e - CSIDL_COMMON_DOCUMENTS */
1061         CSIDL_Type_AllUsers,
1062         Common_DocumentsW,
1063         MAKEINTRESOURCEW(IDS_COMMON_DOCUMENTS)
1064     },
1065     { /* 0x2f - CSIDL_COMMON_ADMINTOOLS */
1066         CSIDL_Type_AllUsers,
1067         Common_Administrative_ToolsW,
1068         MAKEINTRESOURCEW(IDS_ADMINTOOLS)
1069     },
1070     { /* 0x30 - CSIDL_ADMINTOOLS */
1071         CSIDL_Type_User,
1072         Administrative_ToolsW,
1073         MAKEINTRESOURCEW(IDS_ADMINTOOLS)
1074     },
1075     { /* 0x31 - CSIDL_CONNECTIONS */
1076         CSIDL_Type_Disallowed,
1077         NULL,
1078         NULL
1079     },
1080     { /* 0x32 - unassigned */
1081         CSIDL_Type_Disallowed,
1082         NULL,
1083         NULL
1084     },
1085     { /* 0x33 - unassigned */
1086         CSIDL_Type_Disallowed,
1087         NULL,
1088         NULL
1089     },
1090     { /* 0x34 - unassigned */
1091         CSIDL_Type_Disallowed,
1092         NULL,
1093         NULL
1094     },
1095     { /* 0x35 - CSIDL_COMMON_MUSIC */
1096         CSIDL_Type_AllUsers,
1097         CommonMusicW,
1098         MAKEINTRESOURCEW(IDS_COMMON_MUSIC)
1099     },
1100     { /* 0x36 - CSIDL_COMMON_PICTURES */
1101         CSIDL_Type_AllUsers,
1102         CommonPicturesW,
1103         MAKEINTRESOURCEW(IDS_COMMON_PICTURES)
1104     },
1105     { /* 0x37 - CSIDL_COMMON_VIDEO */
1106         CSIDL_Type_AllUsers,
1107         CommonVideoW,
1108         MAKEINTRESOURCEW(IDS_COMMON_VIDEO)
1109     },
1110     { /* 0x38 - CSIDL_RESOURCES */
1111         CSIDL_Type_WindowsPath,
1112         NULL,
1113         ResourcesW
1114     },
1115     { /* 0x39 - CSIDL_RESOURCES_LOCALIZED */
1116         CSIDL_Type_NonExistent,
1117         NULL,
1118         NULL
1119     },
1120     { /* 0x3a - CSIDL_COMMON_OEM_LINKS */
1121         CSIDL_Type_NonExistent,
1122         NULL,
1123         NULL
1124     },
1125     { /* 0x3b - CSIDL_CDBURN_AREA */
1126         CSIDL_Type_User,
1127         CD_BurningW,
1128         MAKEINTRESOURCEW(IDS_CDBURN_AREA)
1129     },
1130     { /* 0x3c unassigned */
1131         CSIDL_Type_Disallowed,
1132         NULL,
1133         NULL
1134     },
1135     { /* 0x3d - CSIDL_COMPUTERSNEARME */
1136         CSIDL_Type_Disallowed, /* FIXME */
1137         NULL,
1138         NULL
1139     },
1140     { /* 0x3e - CSIDL_PROFILES */
1141         CSIDL_Type_Disallowed, /* oddly, this matches WinXP */
1142         NULL,
1143         NULL
1144     }
1145 };
1146
1147 static HRESULT _SHExpandEnvironmentStrings(LPCWSTR szSrc, LPWSTR szDest);
1148
1149 /* Gets the value named value from the registry key
1150  * rootKey\Software\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders
1151  * (or from rootKey\userPrefix\... if userPrefix is not NULL) into path, which
1152  * is assumed to be MAX_PATH WCHARs in length.
1153  * If it exists, expands the value and writes the expanded value to
1154  * rootKey\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders
1155  * Returns successful error code if the value was retrieved from the registry,
1156  * and a failure otherwise.
1157  */
1158 static HRESULT _SHGetUserShellFolderPath(HKEY rootKey, LPCWSTR userPrefix,
1159  LPCWSTR value, LPWSTR path)
1160 {
1161     HRESULT hr;
1162     WCHAR shellFolderPath[MAX_PATH], userShellFolderPath[MAX_PATH];
1163     LPCWSTR pShellFolderPath, pUserShellFolderPath;
1164     DWORD dwDisp, dwType, dwPathLen = MAX_PATH;
1165     HKEY userShellFolderKey, shellFolderKey;
1166
1167     TRACE("%p,%s,%s,%p\n",rootKey, debugstr_w(userPrefix), debugstr_w(value),
1168      path);
1169
1170     if (userPrefix)
1171     {
1172         strcpyW(shellFolderPath, userPrefix);
1173         PathAddBackslashW(shellFolderPath);
1174         strcatW(shellFolderPath, szSHFolders);
1175         pShellFolderPath = shellFolderPath;
1176         strcpyW(userShellFolderPath, userPrefix);
1177         PathAddBackslashW(userShellFolderPath);
1178         strcatW(userShellFolderPath, szSHUserFolders);
1179         pUserShellFolderPath = userShellFolderPath;
1180     }
1181     else
1182     {
1183         pUserShellFolderPath = szSHUserFolders;
1184         pShellFolderPath = szSHFolders;
1185     }
1186
1187     if (RegCreateKeyExW(rootKey, pShellFolderPath, 0, NULL, 0, KEY_ALL_ACCESS,
1188      NULL, &shellFolderKey, &dwDisp))
1189     {
1190         TRACE("Failed to create %s\n", debugstr_w(pShellFolderPath));
1191         return E_FAIL;
1192     }
1193     if (RegCreateKeyExW(rootKey, pUserShellFolderPath, 0, NULL, 0,
1194      KEY_ALL_ACCESS, NULL, &userShellFolderKey, &dwDisp))
1195     {
1196         TRACE("Failed to create %s\n",
1197          debugstr_w(pUserShellFolderPath));
1198         RegCloseKey(shellFolderKey);
1199         return E_FAIL;
1200     }
1201
1202     if (!RegQueryValueExW(userShellFolderKey, value, NULL, &dwType,
1203      (LPBYTE)path, &dwPathLen) && (dwType == REG_EXPAND_SZ || dwType == REG_SZ))
1204     {
1205         LONG ret;
1206
1207         path[dwPathLen / sizeof(WCHAR)] = '\0';
1208         if (dwType == REG_EXPAND_SZ && path[0] == '%')
1209         {
1210             WCHAR szTemp[MAX_PATH];
1211
1212             _SHExpandEnvironmentStrings(path, szTemp);
1213             lstrcpynW(path, szTemp, MAX_PATH);
1214         }
1215         ret = RegSetValueExW(shellFolderKey, value, 0, REG_SZ, (LPBYTE)path,
1216          (strlenW(path) + 1) * sizeof(WCHAR));
1217         if (ret != ERROR_SUCCESS)
1218             hr = HRESULT_FROM_WIN32(ret);
1219         else
1220             hr = S_OK;
1221     }
1222     else
1223         hr = E_FAIL;
1224     RegCloseKey(shellFolderKey);
1225     RegCloseKey(userShellFolderKey);
1226     TRACE("returning 0x%08lx\n", hr);
1227     return hr;
1228 }
1229
1230 /* Gets a 'semi-expanded' default value of the CSIDL with index folder into
1231  * pszPath, based on the entries in CSIDL_Data.  By semi-expanded, I mean:
1232  * - The entry's szDefaultPath may be either a string value or an integer
1233  *   resource identifier.  In the latter case, the string value of the resource
1234  *   is written.
1235  * - Depending on the entry's type, the path may begin with an (unexpanded)
1236  *   environment variable name.  The caller is responsible for expanding
1237  *   environment strings if so desired.
1238  *   The types that are prepended with environment variables are:
1239  *   CSIDL_Type_User:     %USERPROFILE%
1240  *   CSIDL_Type_AllUsers: %ALLUSERSPROFILE%
1241  *   CSIDL_Type_CurrVer:  %SystemDrive%
1242  *   (Others might make sense too, but as yet are unneeded.)
1243  */
1244 static HRESULT _SHGetDefaultValue(BYTE folder, LPWSTR pszPath)
1245 {
1246     HRESULT hr;
1247     WCHAR resourcePath[MAX_PATH];
1248     LPCWSTR pDefaultPath = NULL;
1249
1250     TRACE("0x%02x,%p\n", folder, pszPath);
1251
1252     if (folder >= sizeof(CSIDL_Data) / sizeof(CSIDL_Data[0]))
1253         return E_INVALIDARG;
1254     if (!pszPath)
1255         return E_INVALIDARG;
1256
1257     /* Try special cases first */
1258     hr = E_FAIL;
1259     switch (folder)
1260     {
1261         case CSIDL_PERSONAL:
1262         case CSIDL_MYMUSIC:
1263         case CSIDL_MYPICTURES:
1264         case CSIDL_MYVIDEO:
1265         {
1266             const char *home = getenv("HOME");
1267
1268             /* special case for "My Documents", map to $HOME */
1269             if (home)
1270             {
1271                 LPWSTR homeW = wine_get_dos_file_name(home);
1272
1273                 if (homeW)
1274                 {
1275                     if (PathIsDirectoryW(homeW))
1276                     {
1277                         lstrcpynW(pszPath, homeW, MAX_PATH);
1278                         hr = S_OK;
1279                     }
1280                     HeapFree(GetProcessHeap(), 0, homeW);
1281                 }
1282                 else
1283                     hr = HRESULT_FROM_WIN32(GetLastError());
1284             }
1285             break;
1286         }
1287         case CSIDL_DESKTOP:
1288         case CSIDL_DESKTOPDIRECTORY:
1289         {
1290             const char *home = getenv("HOME");
1291
1292             /* special case for Desktop, map to $HOME/Desktop if it exists */
1293             if (home)
1294             {
1295                 LPWSTR homeW = wine_get_dos_file_name(home);
1296
1297                 if (homeW)
1298                 {
1299                     lstrcpynW(pszPath, homeW, MAX_PATH);
1300                     if (PathAppendW(pszPath, DesktopW))
1301                     {
1302                         if (PathIsDirectoryW(pszPath))
1303                             hr = S_OK;
1304                     }
1305                     else
1306                         hr = HRESULT_FROM_WIN32(GetLastError());
1307                     HeapFree(GetProcessHeap(), 0, homeW);
1308                 }
1309                 else
1310                     hr = HRESULT_FROM_WIN32(GetLastError());
1311             }
1312             break;
1313         }
1314     }
1315     if (SUCCEEDED(hr))
1316         return hr;
1317
1318     /* Either the folder was unhandled, or a suitable default wasn't found,
1319      * so use one of the resource-based defaults
1320      */
1321     if (CSIDL_Data[folder].szDefaultPath &&
1322      IS_INTRESOURCE(CSIDL_Data[folder].szDefaultPath))
1323     {
1324         if (LoadStringW(shell32_hInstance,
1325          LOWORD(CSIDL_Data[folder].szDefaultPath), resourcePath, MAX_PATH))
1326         {
1327             hr = S_OK;
1328             pDefaultPath = resourcePath;
1329         }
1330         else
1331         {
1332             FIXME("(%d,%s), LoadString failed, missing translation?\n", folder,
1333              debugstr_w(pszPath));
1334             hr = E_FAIL;
1335         }
1336     }
1337     else
1338     {
1339         hr = S_OK;
1340         pDefaultPath = CSIDL_Data[folder].szDefaultPath;
1341     }
1342     if (SUCCEEDED(hr))
1343     {
1344         switch (CSIDL_Data[folder].type)
1345         {
1346             case CSIDL_Type_User:
1347                 strcpyW(pszPath, UserProfileW);
1348                 break;
1349             case CSIDL_Type_AllUsers:
1350                 strcpyW(pszPath, AllUsersProfileW);
1351                 break;
1352             case CSIDL_Type_CurrVer:
1353                 strcpyW(pszPath, SystemDriveW);
1354                 break;
1355             default:
1356                 ; /* no corresponding env. var, do nothing */
1357         }
1358         if (pDefaultPath)
1359         {
1360             PathAddBackslashW(pszPath);
1361             strcatW(pszPath, pDefaultPath);
1362         }
1363     }
1364     TRACE("returning 0x%08lx\n", hr);
1365     return hr;
1366 }
1367
1368 /* Gets the (unexpanded) value of the folder with index folder into pszPath.
1369  * The folder's type is assumed to be CSIDL_Type_CurrVer.  Its default value
1370  * can be overridden in the HKLM\\szCurrentVersion key.
1371  * If dwFlags has SHGFP_TYPE_DEFAULT set or if the value isn't overridden in
1372  * the registry, uses _SHGetDefaultValue to get the value.
1373  */
1374 static HRESULT _SHGetCurrentVersionPath(DWORD dwFlags, BYTE folder,
1375  LPWSTR pszPath)
1376 {
1377     HRESULT hr;
1378
1379     TRACE("0x%08lx,0x%02x,%p\n", dwFlags, folder, pszPath);
1380
1381     if (folder >= sizeof(CSIDL_Data) / sizeof(CSIDL_Data[0]))
1382         return E_INVALIDARG;
1383     if (CSIDL_Data[folder].type != CSIDL_Type_CurrVer)
1384         return E_INVALIDARG;
1385     if (!pszPath)
1386         return E_INVALIDARG;
1387
1388     if (dwFlags & SHGFP_TYPE_DEFAULT)
1389         hr = _SHGetDefaultValue(folder, pszPath);
1390     else
1391     {
1392         HKEY hKey;
1393         DWORD dwDisp;
1394
1395         if (RegCreateKeyExW(HKEY_LOCAL_MACHINE, szCurrentVersion, 0,
1396          NULL, 0, KEY_ALL_ACCESS, NULL, &hKey, &dwDisp))
1397             hr = E_FAIL;
1398         else
1399         {
1400             DWORD dwType, dwPathLen = MAX_PATH * sizeof(WCHAR);
1401
1402             if (RegQueryValueExW(hKey, CSIDL_Data[folder].szValueName, NULL,
1403              &dwType, (LPBYTE)pszPath, &dwPathLen) ||
1404              (dwType != REG_SZ && dwType != REG_EXPAND_SZ))
1405             {
1406                 hr = _SHGetDefaultValue(folder, pszPath);
1407                 dwType = REG_EXPAND_SZ;
1408                 RegSetValueExW(hKey, CSIDL_Data[folder].szValueName, 0, dwType,
1409                  (LPBYTE)pszPath, (strlenW(pszPath)+1)*sizeof(WCHAR));
1410             }
1411             else
1412             {
1413                 pszPath[dwPathLen / sizeof(WCHAR)] = '\0';
1414                 hr = S_OK;
1415             }
1416             RegCloseKey(hKey);
1417         }
1418     }
1419     TRACE("returning 0x%08lx (output path is %s)\n", hr, debugstr_w(pszPath));
1420     return hr;
1421 }
1422
1423 /* Gets the user's path (unexpanded) for the CSIDL with index folder:
1424  * If SHGFP_TYPE_DEFAULT is set, calls _SHGetDefaultValue for it.  Otherwise
1425  * calls _SHGetUserShellFolderPath for it.  Where it looks depends on hToken:
1426  * - if hToken is -1, looks in HKEY_USERS\.Default
1427  * - otherwise looks first in HKEY_CURRENT_USER, followed by HKEY_LOCAL_MACHINE
1428  *   if HKEY_CURRENT_USER doesn't contain any entries.  If both fail, finally
1429  *   calls _SHGetDefaultValue for it.
1430  */
1431 static HRESULT _SHGetUserProfilePath(HANDLE hToken, DWORD dwFlags, BYTE folder,
1432  LPWSTR pszPath)
1433 {
1434     HRESULT hr;
1435
1436     TRACE("%p,0x%08lx,0x%02x,%p\n", hToken, dwFlags, folder, pszPath);
1437
1438     if (folder >= sizeof(CSIDL_Data) / sizeof(CSIDL_Data[0]))
1439         return E_INVALIDARG;
1440     if (CSIDL_Data[folder].type != CSIDL_Type_User)
1441         return E_INVALIDARG;
1442     if (!pszPath)
1443         return E_INVALIDARG;
1444
1445     /* Only the current user and the default user are supported right now
1446      * I'm afraid.
1447      * FIXME: should be able to call GetTokenInformation on the token,
1448      * then call ConvertSidToStringSidW on it to get the user prefix.
1449      * But Wine's registry doesn't store user info by sid, it stores it
1450      * by user name (and I don't know how to convert from a token to a
1451      * user name).
1452      */
1453     if (hToken != NULL && hToken != (HANDLE)-1)
1454     {
1455         FIXME("unsupported for user other than current or default\n");
1456         return E_FAIL;
1457     }
1458
1459     if (dwFlags & SHGFP_TYPE_DEFAULT)
1460         hr = _SHGetDefaultValue(folder, pszPath);
1461     else
1462     {
1463         LPCWSTR userPrefix = NULL;
1464         HKEY hRootKey;
1465
1466         if (hToken == (HANDLE)-1)
1467         {
1468             hRootKey = HKEY_USERS;
1469             userPrefix = DefaultW;
1470         }
1471         else /* hToken == NULL, other values disallowed above */
1472             hRootKey = HKEY_CURRENT_USER;
1473         hr = _SHGetUserShellFolderPath(hRootKey, userPrefix,
1474          CSIDL_Data[folder].szValueName, pszPath);
1475         if (FAILED(hr) && hRootKey != HKEY_LOCAL_MACHINE)
1476             hr = _SHGetUserShellFolderPath(HKEY_LOCAL_MACHINE, NULL,
1477              CSIDL_Data[folder].szValueName, pszPath);
1478         if (FAILED(hr))
1479             hr = _SHGetDefaultValue(folder, pszPath);
1480     }
1481     TRACE("returning 0x%08lx (output path is %s)\n", hr, debugstr_w(pszPath));
1482     return hr;
1483 }
1484
1485 /* Gets the (unexpanded) path for the CSIDL with index folder.  If dwFlags has
1486  * SHGFP_TYPE_DEFAULT set, calls _SHGetDefaultValue.  Otherwise calls
1487  * _SHGetUserShellFolderPath for it, looking only in HKEY_LOCAL_MACHINE.
1488  * If this fails, falls back to _SHGetDefaultValue.
1489  */
1490 static HRESULT _SHGetAllUsersProfilePath(DWORD dwFlags, BYTE folder,
1491  LPWSTR pszPath)
1492 {
1493     HRESULT hr;
1494
1495     TRACE("0x%08lx,0x%02x,%p\n", dwFlags, folder, pszPath);
1496
1497     if (folder >= sizeof(CSIDL_Data) / sizeof(CSIDL_Data[0]))
1498         return E_INVALIDARG;
1499     if (CSIDL_Data[folder].type != CSIDL_Type_AllUsers)
1500         return E_INVALIDARG;
1501     if (!pszPath)
1502         return E_INVALIDARG;
1503
1504     if (dwFlags & SHGFP_TYPE_DEFAULT)
1505         hr = _SHGetDefaultValue(folder, pszPath);
1506     else
1507     {
1508         hr = _SHGetUserShellFolderPath(HKEY_LOCAL_MACHINE, NULL,
1509          CSIDL_Data[folder].szValueName, pszPath);
1510         if (FAILED(hr))
1511             hr = _SHGetDefaultValue(folder, pszPath);
1512     }
1513     TRACE("returning 0x%08lx (output path is %s)\n", hr, debugstr_w(pszPath));
1514     return hr;
1515 }
1516
1517 static HRESULT _SHOpenProfilesKey(PHKEY pKey)
1518 {
1519     LONG lRet;
1520     DWORD disp;
1521
1522     lRet = RegCreateKeyExW(HKEY_LOCAL_MACHINE, ProfileListW, 0, NULL, 0,
1523      KEY_ALL_ACCESS, NULL, pKey, &disp);
1524     return HRESULT_FROM_WIN32(lRet);
1525 }
1526
1527 /* Reads the value named szValueName from the key profilesKey (assumed to be
1528  * opened by _SHOpenProfilesKey) into szValue, which is assumed to be MAX_PATH
1529  * WCHARs in length.  If it doesn't exist, returns szDefault (and saves
1530  * szDefault to the registry).
1531  */
1532 static HRESULT _SHGetProfilesValue(HKEY profilesKey, LPCWSTR szValueName,
1533  LPWSTR szValue, LPCWSTR szDefault)
1534 {
1535     HRESULT hr;
1536     DWORD type, dwPathLen = MAX_PATH * sizeof(WCHAR);
1537     LONG lRet;
1538
1539     TRACE("%p,%s,%p,%s\n", profilesKey, debugstr_w(szValueName), szValue,
1540      debugstr_w(szDefault));
1541     lRet = RegQueryValueExW(profilesKey, szValueName, NULL, &type,
1542      (LPBYTE)szValue, &dwPathLen);
1543     if (!lRet && (type == REG_SZ || type == REG_EXPAND_SZ) && dwPathLen
1544      && *szValue)
1545     {
1546         dwPathLen /= sizeof(WCHAR);
1547         szValue[dwPathLen] = '\0';
1548         hr = S_OK;
1549     }
1550     else
1551     {
1552         /* Missing or invalid value, set a default */
1553         lstrcpynW(szValue, szDefault, MAX_PATH);
1554         TRACE("Setting missing value %s to %s\n", debugstr_w(szValueName),
1555                                                   debugstr_w(szValue));
1556         lRet = RegSetValueExW(profilesKey, szValueName, 0, REG_EXPAND_SZ,
1557                               (LPBYTE)szValue,
1558                               (strlenW(szValue) + 1) * sizeof(WCHAR));
1559         if (lRet)
1560             hr = HRESULT_FROM_WIN32(lRet);
1561         else
1562             hr = S_OK;
1563     }
1564     TRACE("returning 0x%08lx (output value is %s)\n", hr, debugstr_w(szValue));
1565     return hr;
1566 }
1567
1568 /* Attempts to expand environment variables from szSrc into szDest, which is
1569  * assumed to be MAX_PATH characters in length.  Before referring to the
1570  * environment, handles a few variables directly, because the environment
1571  * variables may not be set when this is called (as during Wine's installation
1572  * when default values are being written to the registry).
1573  * The directly handled environment variables, and their source, are:
1574  * - ALLUSERSPROFILE, USERPROFILE: reads from the registry
1575  * - SystemDrive: uses GetSystemDirectoryW and uses the drive portion of its
1576  *   path
1577  * If one of the directly handled environment variables is expanded, only
1578  * expands a single variable, and only in the beginning of szSrc.
1579  */
1580 static HRESULT _SHExpandEnvironmentStrings(LPCWSTR szSrc, LPWSTR szDest)
1581 {
1582     HRESULT hr;
1583     WCHAR szTemp[MAX_PATH], szProfilesPrefix[MAX_PATH] = { 0 };
1584     HKEY key = NULL;
1585
1586     TRACE("%s, %p\n", debugstr_w(szSrc), szDest);
1587
1588     if (!szSrc || !szDest) return E_INVALIDARG;
1589
1590     /* short-circuit if there's nothing to expand */
1591     if (szSrc[0] != '%')
1592     {
1593         strcpyW(szDest, szSrc);
1594         hr = S_OK;
1595         goto end;
1596     }
1597     /* Get the profile prefix, we'll probably be needing it */
1598     hr = _SHOpenProfilesKey(&key);
1599     if (SUCCEEDED(hr))
1600     {
1601         WCHAR szDefaultProfilesPrefix[MAX_PATH];
1602
1603         GetWindowsDirectoryW(szDefaultProfilesPrefix, MAX_PATH);
1604         PathAddBackslashW(szDefaultProfilesPrefix);
1605         PathAppendW(szDefaultProfilesPrefix, szDefaultProfileDirW);
1606         hr = _SHGetProfilesValue(key, ProfilesDirectoryW, szProfilesPrefix,
1607          szDefaultProfilesPrefix);
1608     }
1609
1610     *szDest = 0;
1611     strcpyW(szTemp, szSrc);
1612     while (SUCCEEDED(hr) && szTemp[0] == '%')
1613     {
1614         if (!strncmpiW(szTemp, AllUsersProfileW, strlenW(AllUsersProfileW)))
1615         {
1616             WCHAR szAllUsers[MAX_PATH];
1617
1618             strcpyW(szDest, szProfilesPrefix);
1619             hr = _SHGetProfilesValue(key, AllUsersProfileValueW,
1620              szAllUsers, AllUsersW);
1621             PathAppendW(szDest, szAllUsers);
1622             PathAppendW(szDest, szTemp + strlenW(AllUsersProfileW));
1623         }
1624         else if (!strncmpiW(szTemp, UserProfileW, strlenW(UserProfileW)))
1625         {
1626             WCHAR userName[MAX_PATH];
1627             DWORD userLen = MAX_PATH;
1628
1629             strcpyW(szDest, szProfilesPrefix);
1630             GetUserNameW(userName, &userLen);
1631             PathAppendW(szDest, userName);
1632             PathAppendW(szDest, szTemp + strlenW(UserProfileW));
1633         }
1634         else if (!strncmpiW(szTemp, SystemDriveW, strlenW(SystemDriveW)))
1635         {
1636             GetSystemDirectoryW(szDest, MAX_PATH);
1637             if (szDest[1] != ':')
1638             {
1639                 FIXME("non-drive system paths unsupported\n");
1640                 hr = E_FAIL;
1641             }
1642             else
1643             {
1644                 strcpyW(szDest + 3, szTemp + strlenW(SystemDriveW) + 1);
1645                 hr = S_OK;
1646             }
1647         }
1648         else
1649         {
1650             DWORD ret = ExpandEnvironmentStringsW(szSrc, szDest, MAX_PATH);
1651
1652             if (ret > MAX_PATH)
1653                 hr = HRESULT_FROM_WIN32(ERROR_INSUFFICIENT_BUFFER);
1654             else if (ret == 0)
1655                 hr = HRESULT_FROM_WIN32(GetLastError());
1656             else
1657                 hr = S_OK;
1658         }
1659         if (SUCCEEDED(hr) && szDest[0] == '%')
1660             strcpyW(szTemp, szDest);
1661         else
1662         {
1663             /* terminate loop */
1664             szTemp[0] = '\0';
1665         }
1666     }
1667 end:
1668     if (key)
1669         RegCloseKey(key);
1670     TRACE("returning 0x%08lx (input was %s, output is %s)\n", hr,
1671      debugstr_w(szSrc), debugstr_w(szDest));
1672     return hr;
1673 }
1674
1675 /*************************************************************************
1676  * SHGetFolderPathW                     [SHELL32.@]
1677  *
1678  * Convert nFolder to path.
1679  *
1680  * RETURNS
1681  *  Success: S_OK
1682  *  Failure: standard HRESULT error codes.
1683  *
1684  * NOTES
1685  * Most values can be overridden in either
1686  * HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders
1687  * or in the same location in HKLM.
1688  * The registry usage is explained by the following tech note:
1689  * http://www.microsoft.com/windows2000/techinfo/reskit/en-us/default.asp?url=/windows2000/techinfo/reskit/en-us/regentry/36173.asp
1690  * The "Shell Folders" registry key was used in NT4 and earlier systems.
1691  * Beginning with Windows 2000, the "User Shell Folders" key is used, so
1692  * changes made to it are made to the former key too.  This synchronization is
1693  * done on-demand: not until someone requests the value of one of these paths
1694  * (by calling one of the SHGet functions) is the value synchronized.
1695  * Furthermore, as explained here:
1696  * http://www.microsoft.com/windows2000/techinfo/reskit/en-us/default.asp?url=/windows2000/techinfo/reskit/en-us/regentry/36276.asp
1697  * the HKCU paths take precedence over the HKLM paths.
1698  *
1699  */
1700 HRESULT WINAPI SHGetFolderPathW(
1701         HWND hwndOwner,    /* [I] owner window */
1702         int nFolder,       /* [I] CSIDL identifing the folder */
1703         HANDLE hToken,     /* [I] access token */
1704         DWORD dwFlags,     /* [I] which path to return */
1705         LPWSTR pszPath)    /* [O] converted path */
1706 {
1707     HRESULT    hr;
1708     WCHAR      szBuildPath[MAX_PATH], szTemp[MAX_PATH];
1709     DWORD      folder = nFolder & CSIDL_FOLDER_MASK;
1710     CSIDL_Type type;
1711     int        ret;
1712
1713     TRACE("%p,%p,nFolder=0x%04x\n", hwndOwner,pszPath,nFolder);
1714
1715     /* Windows always NULL-terminates the resulting path regardless of success
1716      * or failure, so do so first
1717      */
1718     if (pszPath)
1719         *pszPath = '\0';
1720     if (folder >= sizeof(CSIDL_Data) / sizeof(CSIDL_Data[0]))
1721         return E_INVALIDARG;
1722     szTemp[0] = 0;
1723     type = CSIDL_Data[folder].type;
1724     switch (type)
1725     {
1726         case CSIDL_Type_Disallowed:
1727             hr = E_INVALIDARG;
1728             break;
1729         case CSIDL_Type_NonExistent:
1730             hr = S_FALSE;
1731             break;
1732         case CSIDL_Type_WindowsPath:
1733             GetWindowsDirectoryW(szTemp, MAX_PATH);
1734             if (CSIDL_Data[folder].szDefaultPath &&
1735              !IS_INTRESOURCE(CSIDL_Data[folder].szDefaultPath) &&
1736              *CSIDL_Data[folder].szDefaultPath)
1737             {
1738                 PathAddBackslashW(szTemp);
1739                 strcatW(szTemp, CSIDL_Data[folder].szDefaultPath);
1740             }
1741             hr = S_OK;
1742             break;
1743         case CSIDL_Type_SystemPath:
1744             GetSystemDirectoryW(szTemp, MAX_PATH);
1745             if (CSIDL_Data[folder].szDefaultPath &&
1746              !IS_INTRESOURCE(CSIDL_Data[folder].szDefaultPath) &&
1747              *CSIDL_Data[folder].szDefaultPath)
1748             {
1749                 PathAddBackslashW(szTemp);
1750                 strcatW(szTemp, CSIDL_Data[folder].szDefaultPath);
1751             }
1752             hr = S_OK;
1753             break;
1754         case CSIDL_Type_CurrVer:
1755             hr = _SHGetCurrentVersionPath(dwFlags, folder, szTemp);
1756             break;
1757         case CSIDL_Type_User:
1758             hr = _SHGetUserProfilePath(hToken, dwFlags, folder, szTemp);
1759             break;
1760         case CSIDL_Type_AllUsers:
1761             hr = _SHGetAllUsersProfilePath(dwFlags, folder, szTemp);
1762             break;
1763         default:
1764             FIXME("bogus type %d, please fix\n", type);
1765             hr = E_INVALIDARG;
1766             break;
1767     }
1768
1769     /* Expand environment strings if necessary */
1770     if (*szTemp == '%')
1771         hr = _SHExpandEnvironmentStrings(szTemp, szBuildPath);
1772     else
1773         strcpyW(szBuildPath, szTemp);
1774     /* Copy the path if it's available before we might return */
1775     if (SUCCEEDED(hr) && pszPath)
1776         strcpyW(pszPath, szBuildPath);
1777
1778     if (FAILED(hr)) goto end;
1779
1780     /* if we don't care about existing directories we are ready */
1781     if(nFolder & CSIDL_FLAG_DONT_VERIFY) goto end;
1782
1783     if (PathFileExistsW(szBuildPath)) goto end;
1784
1785     /* not existing but we are not allowed to create it.  The return value
1786      * is verified against shell32 version 6.0.
1787      */
1788     if (!(nFolder & CSIDL_FLAG_CREATE))
1789     {
1790         hr = HRESULT_FROM_WIN32(ERROR_FILE_NOT_FOUND);
1791         goto end;
1792     }
1793
1794     /* create directory/directories */
1795     ret = SHCreateDirectoryExW(hwndOwner, szBuildPath, NULL);
1796     if (ret && ret != ERROR_ALREADY_EXISTS)
1797     {
1798         ERR("Failed to create directory '%s'.\n", debugstr_w(szBuildPath));
1799         hr = E_FAIL;
1800         goto end;
1801     }
1802
1803     TRACE("Created missing system directory '%s'\n", debugstr_w(szBuildPath));
1804 end:
1805     TRACE("returning 0x%08lx (final path is %s)\n", hr, debugstr_w(szBuildPath));
1806     return hr;
1807 }
1808
1809 /*************************************************************************
1810  * SHGetFolderPathA                     [SHELL32.@]
1811  *
1812  * See SHGetFolderPathW.
1813  */
1814 HRESULT WINAPI SHGetFolderPathA(
1815         HWND hwndOwner,
1816         int nFolder,
1817         HANDLE hToken,
1818         DWORD dwFlags,
1819         LPSTR pszPath)
1820 {
1821     WCHAR szTemp[MAX_PATH];
1822     HRESULT hr;
1823
1824     TRACE("%p,%p,nFolder=0x%04x\n",hwndOwner,pszPath,nFolder);
1825
1826     if (pszPath)
1827         *pszPath = '\0';
1828     hr = SHGetFolderPathW(hwndOwner, nFolder, hToken, dwFlags, szTemp);
1829     if (SUCCEEDED(hr) && pszPath)
1830         WideCharToMultiByte(CP_ACP, 0, szTemp, -1, pszPath, MAX_PATH, NULL,
1831          NULL);
1832
1833     return hr;
1834 }
1835
1836 /* For each folder in folders, if its value has not been set in the registry,
1837  * calls _SHGetUserProfilePath or _SHGetAllUsersProfilePath (depending on the
1838  * folder's type) to get the unexpanded value first.
1839  * Writes the unexpanded value to User Shell Folders, and queries it with
1840  * SHGetFolderPathW to force the creation of the directory if it doesn't
1841  * already exist.  SHGetFolderPathW also returns the expanded value, which
1842  * this then writes to Shell Folders.
1843  */
1844 static HRESULT _SHRegisterFolders(HKEY hRootKey, HANDLE hToken,
1845  LPCWSTR szUserShellFolderPath, LPCWSTR szShellFolderPath, const UINT folders[],
1846  UINT foldersLen)
1847 {
1848     UINT i;
1849     WCHAR path[MAX_PATH];
1850     HRESULT hr = S_OK;
1851     HKEY hUserKey = NULL, hKey = NULL;
1852     DWORD dwDisp, dwType, dwPathLen;
1853     LONG ret;
1854
1855     TRACE("%p,%p,%s,%p,%u\n", hRootKey, hToken,
1856      debugstr_w(szUserShellFolderPath), folders, foldersLen);
1857
1858     ret = RegCreateKeyExW(hRootKey, szUserShellFolderPath, 0, NULL, 0,
1859      KEY_ALL_ACCESS, NULL, &hUserKey, &dwDisp);
1860     if (ret)
1861         hr = HRESULT_FROM_WIN32(ret);
1862     else
1863     {
1864         ret = RegCreateKeyExW(hRootKey, szShellFolderPath, 0, NULL, 0,
1865          KEY_ALL_ACCESS, NULL, &hKey, &dwDisp);
1866         if (ret)
1867             hr = HRESULT_FROM_WIN32(ret);
1868     }
1869     for (i = 0; SUCCEEDED(hr) && i < foldersLen; i++)
1870     {
1871         dwPathLen = MAX_PATH * sizeof(WCHAR);
1872         if (RegQueryValueExW(hUserKey, CSIDL_Data[folders[i]].szValueName, NULL,
1873          &dwType, (LPBYTE)path, &dwPathLen) || (dwType != REG_SZ &&
1874          dwType != REG_EXPAND_SZ))
1875         {
1876             *path = '\0';
1877             if (CSIDL_Data[folders[i]].type == CSIDL_Type_User)
1878                 _SHGetUserProfilePath(hToken, SHGFP_TYPE_DEFAULT, folders[i],
1879                  path);
1880             else if (CSIDL_Data[folders[i]].type == CSIDL_Type_AllUsers)
1881                 _SHGetAllUsersProfilePath(SHGFP_TYPE_DEFAULT, folders[i], path);
1882             else
1883                 hr = E_FAIL;
1884             if (*path)
1885             {
1886                 ret = RegSetValueExW(hUserKey,
1887                  CSIDL_Data[folders[i]].szValueName, 0, REG_EXPAND_SZ,
1888                  (LPBYTE)path, (strlenW(path) + 1) * sizeof(WCHAR));
1889                 if (ret)
1890                     hr = HRESULT_FROM_WIN32(ret);
1891                 else
1892                 {
1893                     hr = SHGetFolderPathW(NULL, folders[i] | CSIDL_FLAG_CREATE,
1894                      hToken, SHGFP_TYPE_DEFAULT, path);
1895                     ret = RegSetValueExW(hKey,
1896                      CSIDL_Data[folders[i]].szValueName, 0, REG_SZ,
1897                      (LPBYTE)path, (strlenW(path) + 1) * sizeof(WCHAR));
1898                     if (ret)
1899                         hr = HRESULT_FROM_WIN32(ret);
1900                 }
1901             }
1902         }
1903     }
1904     if (hUserKey)
1905         RegCloseKey(hUserKey);
1906     if (hKey)
1907         RegCloseKey(hKey);
1908
1909     TRACE("returning 0x%08lx\n", hr);
1910     return hr;
1911 }
1912
1913 static HRESULT _SHRegisterUserShellFolders(BOOL bDefault)
1914 {
1915     static const UINT folders[] = {
1916      CSIDL_PROGRAMS,
1917      CSIDL_PERSONAL,
1918      CSIDL_FAVORITES,
1919      CSIDL_APPDATA,
1920      CSIDL_STARTUP,
1921      CSIDL_RECENT,
1922      CSIDL_SENDTO,
1923      CSIDL_STARTMENU,
1924      CSIDL_DESKTOPDIRECTORY,
1925      CSIDL_NETHOOD,
1926      CSIDL_TEMPLATES,
1927      CSIDL_PRINTHOOD,
1928      CSIDL_COOKIES,
1929      CSIDL_HISTORY,
1930     };
1931     WCHAR userShellFolderPath[MAX_PATH], shellFolderPath[MAX_PATH];
1932     LPCWSTR pUserShellFolderPath, pShellFolderPath;
1933     HRESULT hr = S_OK;
1934     HKEY hRootKey;
1935     HANDLE hToken;
1936
1937     TRACE("%s\n", bDefault ? "TRUE" : "FALSE");
1938     if (bDefault)
1939     {
1940         hToken = (HANDLE)-1;
1941         hRootKey = HKEY_USERS;
1942         strcpyW(userShellFolderPath, DefaultW);
1943         PathAddBackslashW(userShellFolderPath);
1944         strcatW(userShellFolderPath, szSHUserFolders);
1945         pUserShellFolderPath = userShellFolderPath;
1946         strcpyW(shellFolderPath, DefaultW);
1947         PathAddBackslashW(shellFolderPath);
1948         strcatW(shellFolderPath, szSHFolders);
1949         pShellFolderPath = shellFolderPath;
1950     }
1951     else
1952     {
1953         hToken = NULL;
1954         hRootKey = HKEY_CURRENT_USER;
1955         pUserShellFolderPath = szSHUserFolders;
1956         pShellFolderPath = szSHFolders;
1957     }
1958
1959     hr = _SHRegisterFolders(hRootKey, hToken, pUserShellFolderPath,
1960      pShellFolderPath, folders, sizeof(folders) / sizeof(folders[0]));
1961     TRACE("returning 0x%08lx\n", hr);
1962     return hr;
1963 }
1964
1965 static HRESULT _SHRegisterCommonShellFolders(void)
1966 {
1967     static const UINT folders[] = {
1968      CSIDL_COMMON_STARTMENU,
1969      CSIDL_COMMON_PROGRAMS,
1970      CSIDL_COMMON_STARTUP,
1971      CSIDL_COMMON_DESKTOPDIRECTORY,
1972      CSIDL_COMMON_FAVORITES,
1973      CSIDL_COMMON_APPDATA,
1974      CSIDL_COMMON_TEMPLATES,
1975      CSIDL_COMMON_DOCUMENTS,
1976     };
1977     HRESULT hr;
1978
1979     TRACE("\n");
1980     hr = _SHRegisterFolders(HKEY_LOCAL_MACHINE, NULL, szSHUserFolders,
1981      szSHFolders, folders, sizeof(folders) / sizeof(folders[0]));
1982     TRACE("returning 0x%08lx\n", hr);
1983     return hr;
1984 }
1985
1986 /* Register the default values in the registry, as some apps seem to depend
1987  * on their presence.  The set registered was taken from Windows XP.
1988  */
1989 HRESULT SHELL_RegisterShellFolders(void)
1990 {
1991     HRESULT hr = _SHRegisterUserShellFolders(TRUE);
1992
1993     if (SUCCEEDED(hr))
1994         hr = _SHRegisterUserShellFolders(FALSE);
1995     if (SUCCEEDED(hr))
1996         hr = _SHRegisterCommonShellFolders();
1997     return hr;
1998 }
1999
2000 /*************************************************************************
2001  * SHGetSpecialFolderPathA [SHELL32.@]
2002  */
2003 BOOL WINAPI SHGetSpecialFolderPathA (
2004         HWND hwndOwner,
2005         LPSTR szPath,
2006         int nFolder,
2007         BOOL bCreate)
2008 {
2009         return (SHGetFolderPathA(
2010                 hwndOwner,
2011                 nFolder + (bCreate ? CSIDL_FLAG_CREATE : 0),
2012                 NULL,
2013                 0,
2014                 szPath)) == S_OK ? TRUE : FALSE;
2015 }
2016
2017 /*************************************************************************
2018  * SHGetSpecialFolderPathW
2019  */
2020 BOOL WINAPI SHGetSpecialFolderPathW (
2021         HWND hwndOwner,
2022         LPWSTR szPath,
2023         int nFolder,
2024         BOOL bCreate)
2025 {
2026         return (SHGetFolderPathW(
2027                 hwndOwner,
2028                 nFolder + (bCreate ? CSIDL_FLAG_CREATE : 0),
2029                 NULL,
2030                 0,
2031                 szPath)) == S_OK ? TRUE : FALSE;
2032 }
2033
2034 /*************************************************************************
2035  * SHGetSpecialFolderPath (SHELL32.175)
2036  */
2037 BOOL WINAPI SHGetSpecialFolderPathAW (
2038         HWND hwndOwner,
2039         LPVOID szPath,
2040         int nFolder,
2041         BOOL bCreate)
2042
2043 {
2044         if (SHELL_OsIsUnicode())
2045           return SHGetSpecialFolderPathW (hwndOwner, szPath, nFolder, bCreate);
2046         return SHGetSpecialFolderPathA (hwndOwner, szPath, nFolder, bCreate);
2047 }
2048
2049 /*************************************************************************
2050  * SHGetFolderLocation [SHELL32.@]
2051  *
2052  * Gets the folder locations from the registry and creates a pidl.
2053  *
2054  * PARAMS
2055  *   hwndOwner  [I]
2056  *   nFolder    [I] CSIDL_xxxxx
2057  *   hToken     [I] token representing user, or NULL for current user, or -1 for
2058  *                  default user
2059  *   dwReserved [I] must be zero
2060  *   ppidl      [O] PIDL of a special folder
2061  *
2062  * RETURNS
2063  *  Success: S_OK
2064  *  Failure: Standard OLE-defined error result, S_FALSE or E_INVALIDARG
2065  *
2066  * NOTES
2067  *  Creates missing reg keys and directories.
2068  *  Mostly forwards to SHGetFolderPathW, but a few values of nFolder return
2069  *  virtual folders that are handled here.
2070  */
2071 HRESULT WINAPI SHGetFolderLocation(
2072         HWND hwndOwner,
2073         int nFolder,
2074         HANDLE hToken,
2075         DWORD dwReserved,
2076         LPITEMIDLIST *ppidl)
2077 {
2078     HRESULT hr = E_INVALIDARG;
2079
2080     TRACE("%p 0x%08x %p 0x%08lx %p\n",
2081      hwndOwner, nFolder, hToken, dwReserved, ppidl);
2082
2083     if (!ppidl)
2084         return E_INVALIDARG;
2085     if (dwReserved)
2086         return E_INVALIDARG;
2087
2088     /* The virtual folders' locations are not user-dependent */
2089     *ppidl = NULL;
2090     switch (nFolder)
2091     {
2092         case CSIDL_DESKTOP:
2093             *ppidl = _ILCreateDesktop();
2094             break;
2095
2096         case CSIDL_INTERNET:
2097             *ppidl = _ILCreateIExplore();
2098             break;
2099
2100         case CSIDL_CONTROLS:
2101             *ppidl = _ILCreateControlPanel();
2102             break;
2103
2104         case CSIDL_PRINTERS:
2105             *ppidl = _ILCreatePrinters();
2106             break;
2107
2108         case CSIDL_BITBUCKET:
2109             *ppidl = _ILCreateBitBucket();
2110             break;
2111
2112         case CSIDL_DRIVES:
2113             *ppidl = _ILCreateMyComputer();
2114             break;
2115
2116         case CSIDL_NETWORK:
2117             *ppidl = _ILCreateNetwork();
2118             break;
2119
2120         default:
2121         {
2122             WCHAR szPath[MAX_PATH];
2123
2124             hr = SHGetFolderPathW(hwndOwner, nFolder, hToken,
2125              SHGFP_TYPE_CURRENT, szPath);
2126             if (SUCCEEDED(hr))
2127             {
2128                 DWORD attributes=0;
2129
2130                 TRACE("Value=%s\n", debugstr_w(szPath));
2131                 hr = SHILCreateFromPathW(szPath, ppidl, &attributes);
2132             }
2133             else if (hr == HRESULT_FROM_WIN32(ERROR_FILE_NOT_FOUND))
2134             {
2135                 /* unlike SHGetFolderPath, SHGetFolderLocation in shell32
2136                  * version 6.0 returns E_FAIL for nonexistent paths
2137                  */
2138                 hr = E_FAIL;
2139             }
2140         }
2141     }
2142     if(*ppidl)
2143         hr = NOERROR;
2144
2145     TRACE("-- (new pidl %p)\n",*ppidl);
2146     return hr;
2147 }
2148
2149 /*************************************************************************
2150  * SHGetSpecialFolderLocation           [SHELL32.@]
2151  *
2152  * NOTES
2153  *   In NT5, SHGetSpecialFolderLocation needs the <winntdir>/Recent
2154  *   directory.
2155  */
2156 HRESULT WINAPI SHGetSpecialFolderLocation(
2157         HWND hwndOwner,
2158         INT nFolder,
2159         LPITEMIDLIST * ppidl)
2160 {
2161     HRESULT hr = E_INVALIDARG;
2162
2163     TRACE("(%p,0x%x,%p)\n", hwndOwner,nFolder,ppidl);
2164
2165     if (!ppidl)
2166         return E_INVALIDARG;
2167
2168     hr = SHGetFolderLocation(hwndOwner, nFolder, NULL, 0, ppidl);
2169     return hr;
2170 }