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 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 /* This defaults to L"Documents and Settings" on Windows 2000/XP, but we're
 808  * acting more Windows 9x-like for now.
 809  */
 810 static const WCHAR szDefaultProfileDirW[] = {'p','r','o','f','i','l','e','s','\0'};
 811 static const WCHAR AllUsersW[] = {'A','l','l',' ','U','s','e','r','s','\0'};
 812
 813 typedef enum _CSIDL_Type {
 814     CSIDL_Type_User,
 815     CSIDL_Type_AllUsers,
 816     CSIDL_Type_CurrVer,
 817     CSIDL_Type_Disallowed,
 818     CSIDL_Type_NonExistent,
 819     CSIDL_Type_WindowsPath,
 820     CSIDL_Type_SystemPath,
 821 } CSIDL_Type;
 822
 823 typedef struct
 824 {
 825     CSIDL_Type type;
 826     LPCWSTR    szValueName;
 827     LPCWSTR    szDefaultPath; /* fallback string or resource ID */
 828 } CSIDL_DATA;
 829
 830 static const CSIDL_DATA CSIDL_Data[] =
 831 {
 832     { /* 0x00 - CSIDL_DESKTOP */
 833         CSIDL_Type_User,
 834         DesktopW,
 835         MAKEINTRESOURCEW(IDS_DESKTOPDIRECTORY)
 836     },
 837     { /* 0x01 - CSIDL_INTERNET */
 838         CSIDL_Type_Disallowed,
 839         NULL,
 840         NULL
 841     },
 842     { /* 0x02 - CSIDL_PROGRAMS */
 843         CSIDL_Type_User,
 844         ProgramsW,
 845         MAKEINTRESOURCEW(IDS_PROGRAMS)
 846     },
 847     { /* 0x03 - CSIDL_CONTROLS (.CPL files) */
 848         CSIDL_Type_SystemPath,
 849         NULL,
 850         NULL
 851     },
 852     { /* 0x04 - CSIDL_PRINTERS */
 853         CSIDL_Type_SystemPath,
 854         NULL,
 855         NULL
 856     },
 857     { /* 0x05 - CSIDL_PERSONAL */
 858         CSIDL_Type_User,
 859         PersonalW,
 860         MAKEINTRESOURCEW(IDS_PERSONAL)
 861     },
 862     { /* 0x06 - CSIDL_FAVORITES */
 863         CSIDL_Type_User,
 864         FavoritesW,
 865         MAKEINTRESOURCEW(IDS_FAVORITES)
 866     },
 867     { /* 0x07 - CSIDL_STARTUP */
 868         CSIDL_Type_User,
 869         StartUpW,
 870         MAKEINTRESOURCEW(IDS_STARTUP)
 871     },
 872     { /* 0x08 - CSIDL_RECENT */
 873         CSIDL_Type_User,
 874         RecentW,
 875         MAKEINTRESOURCEW(IDS_RECENT)
 876     },
 877     { /* 0x09 - CSIDL_SENDTO */
 878         CSIDL_Type_User,
 879         SendToW,
 880         MAKEINTRESOURCEW(IDS_SENDTO)
 881     },
 882     { /* 0x0a - CSIDL_BITBUCKET - Recycle Bin */
 883         CSIDL_Type_Disallowed,
 884         NULL,
 885         NULL,
 886     },
 887     { /* 0x0b - CSIDL_STARTMENU */
 888         CSIDL_Type_User,
 889         Start_MenuW,
 890         MAKEINTRESOURCEW(IDS_STARTMENU)
 891     },
 892     { /* 0x0c - CSIDL_MYDOCUMENTS */
 893         CSIDL_Type_Disallowed, /* matches WinXP--can't get its path */
 894         NULL,
 895         NULL
 896     },
 897     { /* 0x0d - CSIDL_MYMUSIC */
 898         CSIDL_Type_User,
 899         My_MusicW,
 900         MAKEINTRESOURCEW(IDS_MYMUSIC)
 901     },
 902     { /* 0x0e - CSIDL_MYVIDEO */
 903         CSIDL_Type_User,
 904         My_VideoW,
 905         MAKEINTRESOURCEW(IDS_MYVIDEO)
 906     },
 907     { /* 0x0f - unassigned */
 908         CSIDL_Type_Disallowed,
 909         NULL,
 910         NULL,
 911     },
 912     { /* 0x10 - CSIDL_DESKTOPDIRECTORY */
 913         CSIDL_Type_User,
 914         DesktopW,
 915         MAKEINTRESOURCEW(IDS_DESKTOPDIRECTORY)
 916     },
 917     { /* 0x11 - CSIDL_DRIVES */
 918         CSIDL_Type_Disallowed,
 919         NULL,
 920         NULL,
 921     },
 922     { /* 0x12 - CSIDL_NETWORK */
 923         CSIDL_Type_Disallowed,
 924         NULL,
 925         NULL,
 926     },
 927     { /* 0x13 - CSIDL_NETHOOD */
 928         CSIDL_Type_User,
 929         NetHoodW,
 930         MAKEINTRESOURCEW(IDS_NETHOOD)
 931     },
 932     { /* 0x14 - CSIDL_FONTS */
 933         CSIDL_Type_WindowsPath,
 934         NULL,
 935         FontsW
 936     },
 937     { /* 0x15 - CSIDL_TEMPLATES */
 938         CSIDL_Type_User,
 939         TemplatesW,
 940         MAKEINTRESOURCEW(IDS_TEMPLATES)
 941     },
 942     { /* 0x16 - CSIDL_COMMON_STARTMENU */
 943         CSIDL_Type_AllUsers,
 944         Common_Start_MenuW,
 945         MAKEINTRESOURCEW(IDS_STARTMENU)
 946     },
 947     { /* 0x17 - CSIDL_COMMON_PROGRAMS */
 948         CSIDL_Type_AllUsers,
 949         Common_ProgramsW,
 950         MAKEINTRESOURCEW(IDS_PROGRAMS)
 951     },
 952     { /* 0x18 - CSIDL_COMMON_STARTUP */
 953         CSIDL_Type_AllUsers,
 954         Common_StartUpW,
 955         MAKEINTRESOURCEW(IDS_STARTUP)
 956     },
 957     { /* 0x19 - CSIDL_COMMON_DESKTOPDIRECTORY */
 958         CSIDL_Type_AllUsers,
 959         Common_DesktopW,
 960         MAKEINTRESOURCEW(IDS_DESKTOP)
 961     },
 962     { /* 0x1a - CSIDL_APPDATA */
 963         CSIDL_Type_User,
 964         AppDataW,
 965         MAKEINTRESOURCEW(IDS_APPDATA)
 966     },
 967     { /* 0x1b - CSIDL_PRINTHOOD */
 968         CSIDL_Type_User,
 969         PrintHoodW,
 970         MAKEINTRESOURCEW(IDS_PRINTHOOD)
 971     },
 972     { /* 0x1c - CSIDL_LOCAL_APPDATA */
 973         CSIDL_Type_User,
 974         Local_AppDataW,
 975         MAKEINTRESOURCEW(IDS_LOCAL_APPDATA)
 976     },
 977     { /* 0x1d - CSIDL_ALTSTARTUP */
 978         CSIDL_Type_NonExistent,
 979         NULL,
 980         NULL
 981     },
 982     { /* 0x1e - CSIDL_COMMON_ALTSTARTUP */
 983         CSIDL_Type_NonExistent,
 984         NULL,
 985         NULL
 986     },
 987     { /* 0x1f - CSIDL_COMMON_FAVORITES */
 988         CSIDL_Type_AllUsers,
 989         FavoritesW,
 990         MAKEINTRESOURCEW(IDS_FAVORITES)
 991     },
 992     { /* 0x20 - CSIDL_INTERNET_CACHE */
 993         CSIDL_Type_User,
 994         CacheW,
 995         MAKEINTRESOURCEW(IDS_INTERNET_CACHE)
 996     },
 997     { /* 0x21 - CSIDL_COOKIES */
 998         CSIDL_Type_User,
 999         CookiesW,
1000         MAKEINTRESOURCEW(IDS_COOKIES)
1001     },
1002     { /* 0x22 - CSIDL_HISTORY */
1003         CSIDL_Type_User,
1004         HistoryW,
1005         MAKEINTRESOURCEW(IDS_HISTORY)
1006     },
1007     { /* 0x23 - CSIDL_COMMON_APPDATA */
1008         CSIDL_Type_AllUsers,
1009         Common_AppDataW,
1010         MAKEINTRESOURCEW(IDS_APPDATA)
1011     },
1012     { /* 0x24 - CSIDL_WINDOWS */
1013         CSIDL_Type_WindowsPath,
1014         NULL,
1015         NULL
1016     },
1017     { /* 0x25 - CSIDL_SYSTEM */
1018         CSIDL_Type_SystemPath,
1019         NULL,
1020         NULL
1021     },
1022     { /* 0x26 - CSIDL_PROGRAM_FILES */
1023         CSIDL_Type_CurrVer,
1024         ProgramFilesDirW,
1025         MAKEINTRESOURCEW(IDS_PROGRAM_FILES)
1026     },
1027     { /* 0x27 - CSIDL_MYPICTURES */
1028         CSIDL_Type_User,
1029         My_PicturesW,
1030         MAKEINTRESOURCEW(IDS_MYPICTURES)
1031     },
1032     { /* 0x28 - CSIDL_PROFILE */
1033         CSIDL_Type_User,
1034         NULL,
1035         NULL
1036     },
1037     { /* 0x29 - CSIDL_SYSTEMX86 */
1038         CSIDL_Type_NonExistent,
1039         NULL,
1040         NULL
1041     },
1042     { /* 0x2a - CSIDL_PROGRAM_FILESX86 */
1043         CSIDL_Type_NonExistent,
1044         NULL,
1045         NULL
1046     },
1047     { /* 0x2b - CSIDL_PROGRAM_FILES_COMMON */
1048         CSIDL_Type_CurrVer,
1049         CommonFilesDirW,
1050         MAKEINTRESOURCEW(IDS_PROGRAM_FILES_COMMON)
1051     },
1052     { /* 0x2c - CSIDL_PROGRAM_FILES_COMMONX86 */
1053         CSIDL_Type_NonExistent,
1054         NULL,
1055         NULL
1056     },
1057     { /* 0x2d - CSIDL_COMMON_TEMPLATES */
1058         CSIDL_Type_AllUsers,
1059         Common_TemplatesW,
1060         MAKEINTRESOURCEW(IDS_TEMPLATES)
1061     },
1062     { /* 0x2e - CSIDL_COMMON_DOCUMENTS */
1063         CSIDL_Type_AllUsers,
1064         Common_DocumentsW,
1065         MAKEINTRESOURCEW(IDS_COMMON_DOCUMENTS)
1066     },
1067     { /* 0x2f - CSIDL_COMMON_ADMINTOOLS */
1068         CSIDL_Type_AllUsers,
1069         Common_Administrative_ToolsW,
1070         MAKEINTRESOURCEW(IDS_ADMINTOOLS)
1071     },
1072     { /* 0x30 - CSIDL_ADMINTOOLS */
1073         CSIDL_Type_User,
1074         Administrative_ToolsW,
1075         MAKEINTRESOURCEW(IDS_ADMINTOOLS)
1076     },
1077     { /* 0x31 - CSIDL_CONNECTIONS */
1078         CSIDL_Type_Disallowed,
1079         NULL,
1080         NULL
1081     },
1082     { /* 0x32 - unassigned */
1083         CSIDL_Type_Disallowed,
1084         NULL,
1085         NULL
1086     },
1087     { /* 0x33 - unassigned */
1088         CSIDL_Type_Disallowed,
1089         NULL,
1090         NULL
1091     },
1092     { /* 0x34 - unassigned */
1093         CSIDL_Type_Disallowed,
1094         NULL,
1095         NULL
1096     },
1097     { /* 0x35 - CSIDL_COMMON_MUSIC */
1098         CSIDL_Type_AllUsers,
1099         CommonMusicW,
1100         MAKEINTRESOURCEW(IDS_COMMON_MUSIC)
1101     },
1102     { /* 0x36 - CSIDL_COMMON_PICTURES */
1103         CSIDL_Type_AllUsers,
1104         CommonPicturesW,
1105         MAKEINTRESOURCEW(IDS_COMMON_PICTURES)
1106     },
1107     { /* 0x37 - CSIDL_COMMON_VIDEO */
1108         CSIDL_Type_AllUsers,
1109         CommonVideoW,
1110         MAKEINTRESOURCEW(IDS_COMMON_VIDEO)
1111     },
1112     { /* 0x38 - CSIDL_RESOURCES */
1113         CSIDL_Type_WindowsPath,
1114         NULL,
1115         ResourcesW
1116     },
1117     { /* 0x39 - CSIDL_RESOURCES_LOCALIZED */
1118         CSIDL_Type_NonExistent,
1119         NULL,
1120         NULL
1121     },
1122     { /* 0x3a - CSIDL_COMMON_OEM_LINKS */
1123         CSIDL_Type_NonExistent,
1124         NULL,
1125         NULL
1126     },
1127     { /* 0x3b - CSIDL_CDBURN_AREA */
1128         CSIDL_Type_User,
1129         CD_BurningW,
1130         MAKEINTRESOURCEW(IDS_CDBURN_AREA)
1131     },
1132     { /* 0x3c unassigned */
1133         CSIDL_Type_Disallowed,
1134         NULL,
1135         NULL
1136     },
1137     { /* 0x3d - CSIDL_COMPUTERSNEARME */
1138         CSIDL_Type_Disallowed, /* FIXME */
1139         NULL,
1140         NULL
1141     },
1142     { /* 0x3e - CSIDL_PROFILES */
1143         CSIDL_Type_Disallowed, /* oddly, this matches WinXP */
1144         NULL,
1145         NULL
1146     }
1147 };
1148
1149 static HRESULT _SHExpandEnvironmentStrings(LPCWSTR szSrc, LPWSTR szDest);
1150
1151 /* Gets the value named value from the registry key
1152  * rootKey\Software\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders
1153  * (or from rootKey\userPrefix\... if userPrefix is not NULL) into path, which
1154  * is assumed to be MAX_PATH WCHARs in length.
1155  * If it exists, expands the value and writes the expanded value to
1156  * rootKey\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders
1157  * Returns successful error code if the value was retrieved from the registry,
1158  * and a failure otherwise.
1159  */
1160 static HRESULT _SHGetUserShellFolderPath(HKEY rootKey, LPCWSTR userPrefix,
1161  LPCWSTR value, LPWSTR path)
1162 {
1163     HRESULT hr;
1164     WCHAR shellFolderPath[MAX_PATH], userShellFolderPath[MAX_PATH];
1165     LPCWSTR pShellFolderPath, pUserShellFolderPath;
1166     DWORD dwDisp, dwType, dwPathLen = MAX_PATH;
1167     HKEY userShellFolderKey, shellFolderKey;
1168
1169     TRACE("%p,%s,%s,%p\n",rootKey, debugstr_w(userPrefix), debugstr_w(value),
1170      path);
1171
1172     if (userPrefix)
1173     {
1174         strcpyW(shellFolderPath, userPrefix);
1175         PathAddBackslashW(shellFolderPath);
1176         strcatW(shellFolderPath, szSHFolders);
1177         pShellFolderPath = shellFolderPath;
1178         strcpyW(userShellFolderPath, userPrefix);
1179         PathAddBackslashW(userShellFolderPath);
1180         strcatW(userShellFolderPath, szSHUserFolders);
1181         pUserShellFolderPath = userShellFolderPath;
1182     }
1183     else
1184     {
1185         pUserShellFolderPath = szSHUserFolders;
1186         pShellFolderPath = szSHFolders;
1187     }
1188
1189     if (RegCreateKeyExW(rootKey, pShellFolderPath, 0, NULL, 0, KEY_ALL_ACCESS,
1190      NULL, &shellFolderKey, &dwDisp))
1191     {
1192         TRACE("Failed to create %s\n", debugstr_w(pShellFolderPath));
1193         return E_FAIL;
1194     }
1195     if (RegCreateKeyExW(rootKey, pUserShellFolderPath, 0, NULL, 0,
1196      KEY_ALL_ACCESS, NULL, &userShellFolderKey, &dwDisp))
1197     {
1198         TRACE("Failed to create %s\n",
1199          debugstr_w(pUserShellFolderPath));
1200         RegCloseKey(shellFolderKey);
1201         return E_FAIL;
1202     }
1203
1204     if (!RegQueryValueExW(userShellFolderKey, value, NULL, &dwType,
1205      (LPBYTE)path, &dwPathLen) && (dwType == REG_EXPAND_SZ || dwType == REG_SZ))
1206     {
1207         LONG ret;
1208
1209         path[dwPathLen / sizeof(WCHAR)] = '\0';
1210         if (dwType == REG_EXPAND_SZ && path[0] == '%')
1211         {
1212             WCHAR szTemp[MAX_PATH];
1213
1214             _SHExpandEnvironmentStrings(path, szTemp);
1215             lstrcpynW(path, szTemp, MAX_PATH);
1216         }
1217         ret = RegSetValueExW(shellFolderKey, value, 0, REG_SZ, (LPBYTE)path,
1218          (strlenW(path) + 1) * sizeof(WCHAR));
1219         if (ret != ERROR_SUCCESS)
1220             hr = HRESULT_FROM_WIN32(ret);
1221         else
1222             hr = S_OK;
1223     }
1224     else
1225         hr = E_FAIL;
1226     RegCloseKey(shellFolderKey);
1227     RegCloseKey(userShellFolderKey);
1228     TRACE("returning 0x%08lx\n", hr);
1229     return hr;
1230 }
1231
1232 /* Gets a 'semi-expanded' default value of the CSIDL with index folder into
1233  * pszPath, based on the entries in CSIDL_Data.  By semi-expanded, I mean:
1234  * - The entry's szDefaultPath may be either a string value or an integer
1235  *   resource identifier.  In the latter case, the string value of the resource
1236  *   is written.
1237  * - Depending on the entry's type, the path may begin with an (unexpanded)
1238  *   environment variable name.  The caller is responsible for expanding
1239  *   environment strings if so desired.
1240  *   The types that are prepended with environment variables are:
1241  *   CSIDL_Type_User:     %USERPROFILE%
1242  *   CSIDL_Type_AllUsers: %ALLUSERSPROFILE%
1243  *   CSIDL_Type_CurrVer:  %SystemDrive%
1244  *   (Others might make sense too, but as yet are unneeded.)
1245  */
1246 static HRESULT _SHGetDefaultValue(BYTE folder, LPWSTR pszPath)
1247 {
1248     HRESULT hr;
1249     WCHAR resourcePath[MAX_PATH];
1250     LPCWSTR pDefaultPath = NULL;
1251
1252     TRACE("0x%02x,%p\n", folder, pszPath);
1253
1254     if (folder >= sizeof(CSIDL_Data) / sizeof(CSIDL_Data[0]))
1255         return E_INVALIDARG;
1256     if (!pszPath)
1257         return E_INVALIDARG;
1258
1259     /* Try special cases first */
1260     hr = E_FAIL;
1261     switch (folder)
1262     {
1263         case CSIDL_PERSONAL:
1264         case CSIDL_MYMUSIC:
1265         case CSIDL_MYPICTURES:
1266         case CSIDL_MYVIDEO:
1267         {
1268             const char *home = getenv("HOME");
1269
1270             /* special case for "My Documents", map to $HOME */
1271             if (home)
1272             {
1273                 LPWSTR homeW = wine_get_dos_file_name(home);
1274
1275                 if (homeW)
1276                 {
1277                     if (PathIsDirectoryW(homeW))
1278                     {
1279                         lstrcpynW(pszPath, homeW, MAX_PATH);
1280                         hr = S_OK;
1281                     }
1282                     HeapFree(GetProcessHeap(), 0, homeW);
1283                 }
1284                 else
1285                     hr = HRESULT_FROM_WIN32(GetLastError());
1286             }
1287             break;
1288         }
1289         case CSIDL_DESKTOP:
1290         case CSIDL_DESKTOPDIRECTORY:
1291         {
1292             const char *home = getenv("HOME");
1293
1294             /* special case for Desktop, map to $HOME/Desktop if it exists */
1295             if (home)
1296             {
1297                 LPWSTR homeW = wine_get_dos_file_name(home);
1298
1299                 if (homeW)
1300                 {
1301                     lstrcpynW(pszPath, homeW, MAX_PATH);
1302                     if (PathAppendW(pszPath, DesktopW))
1303                     {
1304                         if (PathIsDirectoryW(pszPath))
1305                             hr = S_OK;
1306                     }
1307                     else
1308                         hr = HRESULT_FROM_WIN32(GetLastError());
1309                     HeapFree(GetProcessHeap(), 0, homeW);
1310                 }
1311                 else
1312                     hr = HRESULT_FROM_WIN32(GetLastError());
1313             }
1314             break;
1315         }
1316     }
1317     if (SUCCEEDED(hr))
1318         return hr;
1319
1320     /* Either the folder was unhandled, or a suitable default wasn't found,
1321      * so use one of the resource-based defaults
1322      */
1323     if (CSIDL_Data[folder].szDefaultPath &&
1324      IS_INTRESOURCE(CSIDL_Data[folder].szDefaultPath))
1325     {
1326         if (LoadStringW(shell32_hInstance,
1327          LOWORD(CSIDL_Data[folder].szDefaultPath), resourcePath, MAX_PATH))
1328         {
1329             hr = S_OK;
1330             pDefaultPath = resourcePath;
1331         }
1332         else
1333         {
1334             FIXME("(%d,%s), LoadString failed, missing translation?\n", folder,
1335              debugstr_w(pszPath));
1336             hr = E_FAIL;
1337         }
1338     }
1339     else
1340     {
1341         hr = S_OK;
1342         pDefaultPath = CSIDL_Data[folder].szDefaultPath;
1343     }
1344     if (SUCCEEDED(hr))
1345     {
1346         switch (CSIDL_Data[folder].type)
1347         {
1348             case CSIDL_Type_User:
1349                 strcpyW(pszPath, UserProfileW);
1350                 break;
1351             case CSIDL_Type_AllUsers:
1352                 strcpyW(pszPath, AllUsersProfileW);
1353                 break;
1354             case CSIDL_Type_CurrVer:
1355                 strcpyW(pszPath, SystemDriveW);
1356                 break;
1357             default:
1358                 ; /* no corresponding env. var, do nothing */
1359         }
1360         if (pDefaultPath)
1361         {
1362             PathAddBackslashW(pszPath);
1363             strcatW(pszPath, pDefaultPath);
1364         }
1365     }
1366     TRACE("returning 0x%08lx\n", hr);
1367     return hr;
1368 }
1369
1370 /* Gets the (unexpanded) value of the folder with index folder into pszPath.
1371  * The folder's type is assumed to be CSIDL_Type_CurrVer.  Its default value
1372  * can be overridden in the HKLM\\szCurrentVersion key.
1373  * If dwFlags has SHGFP_TYPE_DEFAULT set or if the value isn't overridden in
1374  * the registry, uses _SHGetDefaultValue to get the value.
1375  */
1376 static HRESULT _SHGetCurrentVersionPath(DWORD dwFlags, BYTE folder,
1377  LPWSTR pszPath)
1378 {
1379     HRESULT hr;
1380
1381     TRACE("0x%08lx,0x%02x,%p\n", dwFlags, folder, pszPath);
1382
1383     if (folder >= sizeof(CSIDL_Data) / sizeof(CSIDL_Data[0]))
1384         return E_INVALIDARG;
1385     if (CSIDL_Data[folder].type != CSIDL_Type_CurrVer)
1386         return E_INVALIDARG;
1387     if (!pszPath)
1388         return E_INVALIDARG;
1389
1390     if (dwFlags & SHGFP_TYPE_DEFAULT)
1391         hr = _SHGetDefaultValue(folder, pszPath);
1392     else
1393     {
1394         HKEY hKey;
1395         DWORD dwDisp;
1396
1397         if (RegCreateKeyExW(HKEY_LOCAL_MACHINE, szCurrentVersion, 0,
1398          NULL, 0, KEY_ALL_ACCESS, NULL, &hKey, &dwDisp))
1399             hr = E_FAIL;
1400         else
1401         {
1402             DWORD dwType, dwPathLen = MAX_PATH * sizeof(WCHAR);
1403
1404             if (RegQueryValueExW(hKey, CSIDL_Data[folder].szValueName, NULL,
1405              &dwType, (LPBYTE)pszPath, &dwPathLen) ||
1406              (dwType != REG_SZ && dwType != REG_EXPAND_SZ))
1407             {
1408                 hr = _SHGetDefaultValue(folder, pszPath);
1409                 dwType = REG_EXPAND_SZ;
1410                 RegSetValueExW(hKey, CSIDL_Data[folder].szValueName, 0, dwType,
1411                  (LPBYTE)pszPath, (strlenW(pszPath)+1)*sizeof(WCHAR));
1412             }
1413             else
1414             {
1415                 pszPath[dwPathLen / sizeof(WCHAR)] = '\0';
1416                 hr = S_OK;
1417             }
1418             RegCloseKey(hKey);
1419         }
1420     }
1421     TRACE("returning 0x%08lx (output path is %s)\n", hr, debugstr_w(pszPath));
1422     return hr;
1423 }
1424
1425 /* Gets the user's path (unexpanded) for the CSIDL with index folder:
1426  * If SHGFP_TYPE_DEFAULT is set, calls _SHGetDefaultValue for it.  Otherwise
1427  * calls _SHGetUserShellFolderPath for it.  Where it looks depends on hToken:
1428  * - if hToken is -1, looks in HKEY_USERS\.Default
1429  * - otherwise looks first in HKEY_CURRENT_USER, followed by HKEY_LOCAL_MACHINE
1430  *   if HKEY_CURRENT_USER doesn't contain any entries.  If both fail, finally
1431  *   calls _SHGetDefaultValue for it.
1432  */
1433 static HRESULT _SHGetUserProfilePath(HANDLE hToken, DWORD dwFlags, BYTE folder,
1434  LPWSTR pszPath)
1435 {
1436     HRESULT hr;
1437
1438     TRACE("%p,0x%08lx,0x%02x,%p\n", hToken, dwFlags, folder, pszPath);
1439
1440     if (folder >= sizeof(CSIDL_Data) / sizeof(CSIDL_Data[0]))
1441         return E_INVALIDARG;
1442     if (CSIDL_Data[folder].type != CSIDL_Type_User)
1443         return E_INVALIDARG;
1444     if (!pszPath)
1445         return E_INVALIDARG;
1446
1447     /* Only the current user and the default user are supported right now
1448      * I'm afraid.
1449      * FIXME: should be able to call GetTokenInformation on the token,
1450      * then call ConvertSidToStringSidW on it to get the user prefix.
1451      * But Wine's registry doesn't store user info by sid, it stores it
1452      * by user name (and I don't know how to convert from a token to a
1453      * user name).
1454      */
1455     if (hToken != NULL && hToken != (HANDLE)-1)
1456     {
1457         FIXME("unsupported for user other than current or default\n");
1458         return E_FAIL;
1459     }
1460
1461     if (dwFlags & SHGFP_TYPE_DEFAULT)
1462         hr = _SHGetDefaultValue(folder, pszPath);
1463     else
1464     {
1465         LPCWSTR userPrefix = NULL;
1466         HKEY hRootKey;
1467
1468         if (hToken == (HANDLE)-1)
1469         {
1470             hRootKey = HKEY_USERS;
1471             userPrefix = DefaultW;
1472         }
1473         else /* hToken == NULL, other values disallowed above */
1474             hRootKey = HKEY_CURRENT_USER;
1475         hr = _SHGetUserShellFolderPath(hRootKey, userPrefix,
1476          CSIDL_Data[folder].szValueName, pszPath);
1477         if (FAILED(hr) && hRootKey != HKEY_LOCAL_MACHINE)
1478             hr = _SHGetUserShellFolderPath(HKEY_LOCAL_MACHINE, NULL,
1479              CSIDL_Data[folder].szValueName, pszPath);
1480         if (FAILED(hr))
1481             hr = _SHGetDefaultValue(folder, pszPath);
1482     }
1483     TRACE("returning 0x%08lx (output path is %s)\n", hr, debugstr_w(pszPath));
1484     return hr;
1485 }
1486
1487 /* Gets the (unexpanded) path for the CSIDL with index folder.  If dwFlags has
1488  * SHGFP_TYPE_DEFAULT set, calls _SHGetDefaultValue.  Otherwise calls
1489  * _SHGetUserShellFolderPath for it, looking only in HKEY_LOCAL_MACHINE.
1490  * If this fails, falls back to _SHGetDefaultValue.
1491  */
1492 static HRESULT _SHGetAllUsersProfilePath(DWORD dwFlags, BYTE folder,
1493  LPWSTR pszPath)
1494 {
1495     HRESULT hr;
1496
1497     TRACE("0x%08lx,0x%02x,%p\n", dwFlags, folder, pszPath);
1498
1499     if (folder >= sizeof(CSIDL_Data) / sizeof(CSIDL_Data[0]))
1500         return E_INVALIDARG;
1501     if (CSIDL_Data[folder].type != CSIDL_Type_AllUsers)
1502         return E_INVALIDARG;
1503     if (!pszPath)
1504         return E_INVALIDARG;
1505
1506     if (dwFlags & SHGFP_TYPE_DEFAULT)
1507         hr = _SHGetDefaultValue(folder, pszPath);
1508     else
1509     {
1510         hr = _SHGetUserShellFolderPath(HKEY_LOCAL_MACHINE, NULL,
1511          CSIDL_Data[folder].szValueName, pszPath);
1512         if (FAILED(hr))
1513             hr = _SHGetDefaultValue(folder, pszPath);
1514     }
1515     TRACE("returning 0x%08lx (output path is %s)\n", hr, debugstr_w(pszPath));
1516     return hr;
1517 }
1518
1519 static HRESULT _SHOpenProfilesKey(PHKEY pKey)
1520 {
1521     LONG lRet;
1522     DWORD disp;
1523
1524     lRet = RegCreateKeyExW(HKEY_LOCAL_MACHINE, ProfileListW, 0, NULL, 0,
1525      KEY_ALL_ACCESS, NULL, pKey, &disp);
1526     return HRESULT_FROM_WIN32(lRet);
1527 }
1528
1529 /* Reads the value named szValueName from the key profilesKey (assumed to be
1530  * opened by _SHOpenProfilesKey) into szValue, which is assumed to be MAX_PATH
1531  * WCHARs in length.  If it doesn't exist, returns szDefault (and saves
1532  * szDefault to the registry).
1533  */
1534 static HRESULT _SHGetProfilesValue(HKEY profilesKey, LPCWSTR szValueName,
1535  LPWSTR szValue, LPCWSTR szDefault)
1536 {
1537     HRESULT hr;
1538     DWORD type, dwPathLen = MAX_PATH * sizeof(WCHAR);
1539     LONG lRet;
1540
1541     TRACE("%p,%s,%p,%s\n", profilesKey, debugstr_w(szValueName), szValue,
1542      debugstr_w(szDefault));
1543     lRet = RegQueryValueExW(profilesKey, szValueName, NULL, &type,
1544      (LPBYTE)szValue, &dwPathLen);
1545     if (!lRet && (type == REG_SZ || type == REG_EXPAND_SZ) && dwPathLen
1546      && *szValue)
1547     {
1548         dwPathLen /= sizeof(WCHAR);
1549         szValue[dwPathLen] = '\0';
1550         hr = S_OK;
1551     }
1552     else
1553     {
1554         /* Missing or invalid value, set a default */
1555         lstrcpynW(szValue, szDefault, MAX_PATH);
1556         TRACE("Setting missing value %s to %s\n", debugstr_w(szValueName),
1557                                                   debugstr_w(szValue));
1558         lRet = RegSetValueExW(profilesKey, szValueName, 0, REG_EXPAND_SZ,
1559                               (LPBYTE)szValue,
1560                               (strlenW(szValue) + 1) * sizeof(WCHAR));
1561         if (lRet)
1562             hr = HRESULT_FROM_WIN32(lRet);
1563         else
1564             hr = S_OK;
1565     }
1566     TRACE("returning 0x%08lx (output value is %s)\n", hr, debugstr_w(szValue));
1567     return hr;
1568 }
1569
1570 /* Attempts to expand environment variables from szSrc into szDest, which is
1571  * assumed to be MAX_PATH characters in length.  Before referring to the
1572  * environment, handles a few variables directly, because the environment
1573  * variables may not be set when this is called (as during Wine's installation
1574  * when default values are being written to the registry).
1575  * The directly handled environment variables, and their source, are:
1576  * - ALLUSERSPROFILE, USERPROFILE: reads from the registry
1577  * - SystemDrive: uses GetSystemDirectoryW and uses the drive portion of its
1578  *   path
1579  * If one of the directly handled environment variables is expanded, only
1580  * expands a single variable, and only in the beginning of szSrc.
1581  */
1582 static HRESULT _SHExpandEnvironmentStrings(LPCWSTR szSrc, LPWSTR szDest)
1583 {
1584     HRESULT hr;
1585     WCHAR szTemp[MAX_PATH], szProfilesPrefix[MAX_PATH] = { 0 };
1586     HKEY key = NULL;
1587
1588     TRACE("%s, %p\n", debugstr_w(szSrc), szDest);
1589
1590     if (!szSrc || !szDest) return E_INVALIDARG;
1591
1592     /* short-circuit if there's nothing to expand */
1593     if (szSrc[0] != '%')
1594     {
1595         strcpyW(szDest, szSrc);
1596         hr = S_OK;
1597         goto end;
1598     }
1599     /* Get the profile prefix, we'll probably be needing it */
1600     hr = _SHOpenProfilesKey(&key);
1601     if (SUCCEEDED(hr))
1602     {
1603         WCHAR szDefaultProfilesPrefix[MAX_PATH];
1604
1605         GetWindowsDirectoryW(szDefaultProfilesPrefix, MAX_PATH);
1606         PathAddBackslashW(szDefaultProfilesPrefix);
1607         PathAppendW(szDefaultProfilesPrefix, szDefaultProfileDirW);
1608         hr = _SHGetProfilesValue(key, ProfilesDirectoryW, szProfilesPrefix,
1609          szDefaultProfilesPrefix);
1610     }
1611
1612     *szDest = 0;
1613     strcpyW(szTemp, szSrc);
1614     while (SUCCEEDED(hr) && szTemp[0] == '%')
1615     {
1616         if (!strncmpiW(szTemp, AllUsersProfileW, strlenW(AllUsersProfileW)))
1617         {
1618             WCHAR szAllUsers[MAX_PATH];
1619
1620             strcpyW(szDest, szProfilesPrefix);
1621             hr = _SHGetProfilesValue(key, AllUsersProfileValueW,
1622              szAllUsers, AllUsersW);
1623             PathAppendW(szDest, szAllUsers);
1624             PathAppendW(szDest, szTemp + strlenW(AllUsersProfileW));
1625         }
1626         else if (!strncmpiW(szTemp, UserProfileW, strlenW(UserProfileW)))
1627         {
1628             WCHAR userName[MAX_PATH];
1629             DWORD userLen = MAX_PATH;
1630
1631             strcpyW(szDest, szProfilesPrefix);
1632             GetUserNameW(userName, &userLen);
1633             PathAppendW(szDest, userName);
1634             PathAppendW(szDest, szTemp + strlenW(UserProfileW));
1635         }
1636         else if (!strncmpiW(szTemp, SystemDriveW, strlenW(SystemDriveW)))
1637         {
1638             GetSystemDirectoryW(szDest, MAX_PATH);
1639             if (szDest[1] != ':')
1640             {
1641                 FIXME("non-drive system paths unsupported\n");
1642                 hr = E_FAIL;
1643             }
1644             else
1645             {
1646                 strcpyW(szDest + 3, szTemp + strlenW(SystemDriveW) + 1);
1647                 hr = S_OK;
1648             }
1649         }
1650         else
1651         {
1652             DWORD ret = ExpandEnvironmentStringsW(szSrc, szDest, MAX_PATH);
1653
1654             if (ret > MAX_PATH)
1655                 hr = HRESULT_FROM_WIN32(ERROR_INSUFFICIENT_BUFFER);
1656             else if (ret == 0)
1657                 hr = HRESULT_FROM_WIN32(GetLastError());
1658             else
1659                 hr = S_OK;
1660         }
1661         if (SUCCEEDED(hr) && szDest[0] == '%')
1662             strcpyW(szTemp, szDest);
1663         else
1664         {
1665             /* terminate loop */
1666             szTemp[0] = '\0';
1667         }
1668     }
1669 end:
1670     if (key)
1671         RegCloseKey(key);
1672     TRACE("returning 0x%08lx (input was %s, output is %s)\n", hr,
1673      debugstr_w(szSrc), debugstr_w(szDest));
1674     return hr;
1675 }
1676
1677 /*************************************************************************
1678  * SHGetFolderPathW                     [SHELL32.@]
1679  *
1680  * Convert nFolder to path.
1681  *
1682  * RETURNS
1683  *  Success: S_OK
1684  *  Failure: standard HRESULT error codes.
1685  *
1686  * NOTES
1687  * Most values can be overridden in either
1688  * HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders
1689  * or in the same location in HKLM.
1690  * The registry usage is explained by the following tech note:
1691  * http://www.microsoft.com/windows2000/techinfo/reskit/en-us/default.asp?url=/windows2000/techinfo/reskit/en-us/regentry/36173.asp
1692  * The "Shell Folders" registry key was used in NT4 and earlier systems.
1693  * Beginning with Windows 2000, the "User Shell Folders" key is used, so
1694  * changes made to it are made to the former key too.  This synchronization is
1695  * done on-demand: not until someone requests the value of one of these paths
1696  * (by calling one of the SHGet functions) is the value synchronized.
1697  * Furthermore, as explained here:
1698  * http://www.microsoft.com/windows2000/techinfo/reskit/en-us/default.asp?url=/windows2000/techinfo/reskit/en-us/regentry/36276.asp
1699  * the HKCU paths take precedence over the HKLM paths.
1700  *
1701  */
1702 HRESULT WINAPI SHGetFolderPathW(
1703         HWND hwndOwner,    /* [I] owner window */
1704         int nFolder,       /* [I] CSIDL identifying the folder */
1705         HANDLE hToken,     /* [I] access token */
1706         DWORD dwFlags,     /* [I] which path to return */
1707         LPWSTR pszPath)    /* [O] converted path */
1708 {
1709     HRESULT    hr;
1710     WCHAR      szBuildPath[MAX_PATH], szTemp[MAX_PATH];
1711     DWORD      folder = nFolder & CSIDL_FOLDER_MASK;
1712     CSIDL_Type type;
1713     int        ret;
1714
1715     TRACE("%p,%p,nFolder=0x%04x\n", hwndOwner,pszPath,nFolder);
1716
1717     /* Windows always NULL-terminates the resulting path regardless of success
1718      * or failure, so do so first
1719      */
1720     if (pszPath)
1721         *pszPath = '\0';
1722     if (folder >= sizeof(CSIDL_Data) / sizeof(CSIDL_Data[0]))
1723         return E_INVALIDARG;
1724     szTemp[0] = 0;
1725     type = CSIDL_Data[folder].type;
1726     switch (type)
1727     {
1728         case CSIDL_Type_Disallowed:
1729             hr = E_INVALIDARG;
1730             break;
1731         case CSIDL_Type_NonExistent:
1732             hr = S_FALSE;
1733             break;
1734         case CSIDL_Type_WindowsPath:
1735             GetWindowsDirectoryW(szTemp, MAX_PATH);
1736             if (CSIDL_Data[folder].szDefaultPath &&
1737              !IS_INTRESOURCE(CSIDL_Data[folder].szDefaultPath) &&
1738              *CSIDL_Data[folder].szDefaultPath)
1739             {
1740                 PathAddBackslashW(szTemp);
1741                 strcatW(szTemp, CSIDL_Data[folder].szDefaultPath);
1742             }
1743             hr = S_OK;
1744             break;
1745         case CSIDL_Type_SystemPath:
1746             GetSystemDirectoryW(szTemp, MAX_PATH);
1747             if (CSIDL_Data[folder].szDefaultPath &&
1748              !IS_INTRESOURCE(CSIDL_Data[folder].szDefaultPath) &&
1749              *CSIDL_Data[folder].szDefaultPath)
1750             {
1751                 PathAddBackslashW(szTemp);
1752                 strcatW(szTemp, CSIDL_Data[folder].szDefaultPath);
1753             }
1754             hr = S_OK;
1755             break;
1756         case CSIDL_Type_CurrVer:
1757             hr = _SHGetCurrentVersionPath(dwFlags, folder, szTemp);
1758             break;
1759         case CSIDL_Type_User:
1760             hr = _SHGetUserProfilePath(hToken, dwFlags, folder, szTemp);
1761             break;
1762         case CSIDL_Type_AllUsers:
1763             hr = _SHGetAllUsersProfilePath(dwFlags, folder, szTemp);
1764             break;
1765         default:
1766             FIXME("bogus type %d, please fix\n", type);
1767             hr = E_INVALIDARG;
1768             break;
1769     }
1770
1771     /* Expand environment strings if necessary */
1772     if (*szTemp == '%')
1773         hr = _SHExpandEnvironmentStrings(szTemp, szBuildPath);
1774     else
1775         strcpyW(szBuildPath, szTemp);
1776     /* Copy the path if it's available before we might return */
1777     if (SUCCEEDED(hr) && pszPath)
1778         strcpyW(pszPath, szBuildPath);
1779
1780     if (FAILED(hr)) goto end;
1781
1782     /* if we don't care about existing directories we are ready */
1783     if(nFolder & CSIDL_FLAG_DONT_VERIFY) goto end;
1784
1785     if (PathFileExistsW(szBuildPath)) goto end;
1786
1787     /* not existing but we are not allowed to create it.  The return value
1788      * is verified against shell32 version 6.0.
1789      */
1790     if (!(nFolder & CSIDL_FLAG_CREATE))
1791     {
1792         hr = HRESULT_FROM_WIN32(ERROR_FILE_NOT_FOUND);
1793         goto end;
1794     }
1795
1796     /* create directory/directories */
1797     ret = SHCreateDirectoryExW(hwndOwner, szBuildPath, NULL);
1798     if (ret && ret != ERROR_ALREADY_EXISTS)
1799     {
1800         ERR("Failed to create directory '%s'.\n", debugstr_w(szBuildPath));
1801         hr = E_FAIL;
1802         goto end;
1803     }
1804
1805     TRACE("Created missing system directory '%s'\n", debugstr_w(szBuildPath));
1806 end:
1807     TRACE("returning 0x%08lx (final path is %s)\n", hr, debugstr_w(szBuildPath));
1808     return hr;
1809 }
1810
1811 /*************************************************************************
1812  * SHGetFolderPathA                     [SHELL32.@]
1813  *
1814  * See SHGetFolderPathW.
1815  */
1816 HRESULT WINAPI SHGetFolderPathA(
1817         HWND hwndOwner,
1818         int nFolder,
1819         HANDLE hToken,
1820         DWORD dwFlags,
1821         LPSTR pszPath)
1822 {
1823     WCHAR szTemp[MAX_PATH];
1824     HRESULT hr;
1825
1826     TRACE("%p,%p,nFolder=0x%04x\n",hwndOwner,pszPath,nFolder);
1827
1828     if (pszPath)
1829         *pszPath = '\0';
1830     hr = SHGetFolderPathW(hwndOwner, nFolder, hToken, dwFlags, szTemp);
1831     if (SUCCEEDED(hr) && pszPath)
1832         WideCharToMultiByte(CP_ACP, 0, szTemp, -1, pszPath, MAX_PATH, NULL,
1833          NULL);
1834
1835     return hr;
1836 }
1837
1838 /* For each folder in folders, if its value has not been set in the registry,
1839  * calls _SHGetUserProfilePath or _SHGetAllUsersProfilePath (depending on the
1840  * folder's type) to get the unexpanded value first.
1841  * Writes the unexpanded value to User Shell Folders, and queries it with
1842  * SHGetFolderPathW to force the creation of the directory if it doesn't
1843  * already exist.  SHGetFolderPathW also returns the expanded value, which
1844  * this then writes to Shell Folders.
1845  */
1846 static HRESULT _SHRegisterFolders(HKEY hRootKey, HANDLE hToken,
1847  LPCWSTR szUserShellFolderPath, LPCWSTR szShellFolderPath, const UINT folders[],
1848  UINT foldersLen)
1849 {
1850     UINT i;
1851     WCHAR path[MAX_PATH];
1852     HRESULT hr = S_OK;
1853     HKEY hUserKey = NULL, hKey = NULL;
1854     DWORD dwDisp, dwType, dwPathLen;
1855     LONG ret;
1856
1857     TRACE("%p,%p,%s,%p,%u\n", hRootKey, hToken,
1858      debugstr_w(szUserShellFolderPath), folders, foldersLen);
1859
1860     ret = RegCreateKeyExW(hRootKey, szUserShellFolderPath, 0, NULL, 0,
1861      KEY_ALL_ACCESS, NULL, &hUserKey, &dwDisp);
1862     if (ret)
1863         hr = HRESULT_FROM_WIN32(ret);
1864     else
1865     {
1866         ret = RegCreateKeyExW(hRootKey, szShellFolderPath, 0, NULL, 0,
1867          KEY_ALL_ACCESS, NULL, &hKey, &dwDisp);
1868         if (ret)
1869             hr = HRESULT_FROM_WIN32(ret);
1870     }
1871     for (i = 0; SUCCEEDED(hr) && i < foldersLen; i++)
1872     {
1873         dwPathLen = MAX_PATH * sizeof(WCHAR);
1874         if (RegQueryValueExW(hUserKey, CSIDL_Data[folders[i]].szValueName, NULL,
1875          &dwType, (LPBYTE)path, &dwPathLen) || (dwType != REG_SZ &&
1876          dwType != REG_EXPAND_SZ))
1877         {
1878             *path = '\0';
1879             if (CSIDL_Data[folders[i]].type == CSIDL_Type_User)
1880                 _SHGetUserProfilePath(hToken, SHGFP_TYPE_DEFAULT, folders[i],
1881                  path);
1882             else if (CSIDL_Data[folders[i]].type == CSIDL_Type_AllUsers)
1883                 _SHGetAllUsersProfilePath(SHGFP_TYPE_DEFAULT, folders[i], path);
1884             else
1885                 hr = E_FAIL;
1886             if (*path)
1887             {
1888                 ret = RegSetValueExW(hUserKey,
1889                  CSIDL_Data[folders[i]].szValueName, 0, REG_EXPAND_SZ,
1890                  (LPBYTE)path, (strlenW(path) + 1) * sizeof(WCHAR));
1891                 if (ret)
1892                     hr = HRESULT_FROM_WIN32(ret);
1893                 else
1894                 {
1895                     hr = SHGetFolderPathW(NULL, folders[i] | CSIDL_FLAG_CREATE,
1896                      hToken, SHGFP_TYPE_DEFAULT, path);
1897                     ret = RegSetValueExW(hKey,
1898                      CSIDL_Data[folders[i]].szValueName, 0, REG_SZ,
1899                      (LPBYTE)path, (strlenW(path) + 1) * sizeof(WCHAR));
1900                     if (ret)
1901                         hr = HRESULT_FROM_WIN32(ret);
1902                 }
1903             }
1904         }
1905     }
1906     if (hUserKey)
1907         RegCloseKey(hUserKey);
1908     if (hKey)
1909         RegCloseKey(hKey);
1910
1911     TRACE("returning 0x%08lx\n", hr);
1912     return hr;
1913 }
1914
1915 static HRESULT _SHRegisterUserShellFolders(BOOL bDefault)
1916 {
1917     static const UINT folders[] = {
1918      CSIDL_PROGRAMS,
1919      CSIDL_PERSONAL,
1920      CSIDL_FAVORITES,
1921      CSIDL_APPDATA,
1922      CSIDL_STARTUP,
1923      CSIDL_RECENT,
1924      CSIDL_SENDTO,
1925      CSIDL_STARTMENU,
1926      CSIDL_MYMUSIC,
1927      CSIDL_MYVIDEO,
1928      CSIDL_DESKTOPDIRECTORY,
1929      CSIDL_NETHOOD,
1930      CSIDL_TEMPLATES,
1931      CSIDL_PRINTHOOD,
1932      CSIDL_LOCAL_APPDATA,
1933      CSIDL_INTERNET_CACHE,
1934      CSIDL_COOKIES,
1935      CSIDL_HISTORY,
1936      CSIDL_MYPICTURES
1937     };
1938     WCHAR userShellFolderPath[MAX_PATH], shellFolderPath[MAX_PATH];
1939     LPCWSTR pUserShellFolderPath, pShellFolderPath;
1940     HRESULT hr = S_OK;
1941     HKEY hRootKey;
1942     HANDLE hToken;
1943
1944     TRACE("%s\n", bDefault ? "TRUE" : "FALSE");
1945     if (bDefault)
1946     {
1947         hToken = (HANDLE)-1;
1948         hRootKey = HKEY_USERS;
1949         strcpyW(userShellFolderPath, DefaultW);
1950         PathAddBackslashW(userShellFolderPath);
1951         strcatW(userShellFolderPath, szSHUserFolders);
1952         pUserShellFolderPath = userShellFolderPath;
1953         strcpyW(shellFolderPath, DefaultW);
1954         PathAddBackslashW(shellFolderPath);
1955         strcatW(shellFolderPath, szSHFolders);
1956         pShellFolderPath = shellFolderPath;
1957     }
1958     else
1959     {
1960         hToken = NULL;
1961         hRootKey = HKEY_CURRENT_USER;
1962         pUserShellFolderPath = szSHUserFolders;
1963         pShellFolderPath = szSHFolders;
1964     }
1965
1966     hr = _SHRegisterFolders(hRootKey, hToken, pUserShellFolderPath,
1967      pShellFolderPath, folders, sizeof(folders) / sizeof(folders[0]));
1968     TRACE("returning 0x%08lx\n", hr);
1969     return hr;
1970 }
1971
1972 static HRESULT _SHRegisterCommonShellFolders(void)
1973 {
1974     static const UINT folders[] = {
1975      CSIDL_COMMON_STARTMENU,
1976      CSIDL_COMMON_PROGRAMS,
1977      CSIDL_COMMON_STARTUP,
1978      CSIDL_COMMON_DESKTOPDIRECTORY,
1979      CSIDL_COMMON_FAVORITES,
1980      CSIDL_COMMON_APPDATA,
1981      CSIDL_COMMON_TEMPLATES,
1982      CSIDL_COMMON_DOCUMENTS,
1983     };
1984     HRESULT hr;
1985
1986     TRACE("\n");
1987     hr = _SHRegisterFolders(HKEY_LOCAL_MACHINE, NULL, szSHUserFolders,
1988      szSHFolders, folders, sizeof(folders) / sizeof(folders[0]));
1989     TRACE("returning 0x%08lx\n", hr);
1990     return hr;
1991 }
1992
1993 /* Register the default values in the registry, as some apps seem to depend
1994  * on their presence.  The set registered was taken from Windows XP.
1995  */
1996 HRESULT SHELL_RegisterShellFolders(void)
1997 {
1998     HRESULT hr = _SHRegisterUserShellFolders(TRUE);
1999
2000     if (SUCCEEDED(hr))
2001         hr = _SHRegisterUserShellFolders(FALSE);
2002     if (SUCCEEDED(hr))
2003         hr = _SHRegisterCommonShellFolders();
2004     return hr;
2005 }
2006
2007 /*************************************************************************
2008  * SHGetSpecialFolderPathA [SHELL32.@]
2009  */
2010 BOOL WINAPI SHGetSpecialFolderPathA (
2011         HWND hwndOwner,
2012         LPSTR szPath,
2013         int nFolder,
2014         BOOL bCreate)
2015 {
2016         return (SHGetFolderPathA(
2017                 hwndOwner,
2018                 nFolder + (bCreate ? CSIDL_FLAG_CREATE : 0),
2019                 NULL,
2020                 0,
2021                 szPath)) == S_OK ? TRUE : FALSE;
2022 }
2023
2024 /*************************************************************************
2025  * SHGetSpecialFolderPathW
2026  */
2027 BOOL WINAPI SHGetSpecialFolderPathW (
2028         HWND hwndOwner,
2029         LPWSTR szPath,
2030         int nFolder,
2031         BOOL bCreate)
2032 {
2033         return (SHGetFolderPathW(
2034                 hwndOwner,
2035                 nFolder + (bCreate ? CSIDL_FLAG_CREATE : 0),
2036                 NULL,
2037                 0,
2038                 szPath)) == S_OK ? TRUE : FALSE;
2039 }
2040
2041 /*************************************************************************
2042  * SHGetSpecialFolderPath (SHELL32.175)
2043  */
2044 BOOL WINAPI SHGetSpecialFolderPathAW (
2045         HWND hwndOwner,
2046         LPVOID szPath,
2047         int nFolder,
2048         BOOL bCreate)
2049
2050 {
2051         if (SHELL_OsIsUnicode())
2052           return SHGetSpecialFolderPathW (hwndOwner, szPath, nFolder, bCreate);
2053         return SHGetSpecialFolderPathA (hwndOwner, szPath, nFolder, bCreate);
2054 }
2055
2056 /*************************************************************************
2057  * SHGetFolderLocation [SHELL32.@]
2058  *
2059  * Gets the folder locations from the registry and creates a pidl.
2060  *
2061  * PARAMS
2062  *   hwndOwner  [I]
2063  *   nFolder    [I] CSIDL_xxxxx
2064  *   hToken     [I] token representing user, or NULL for current user, or -1 for
2065  *                  default user
2066  *   dwReserved [I] must be zero
2067  *   ppidl      [O] PIDL of a special folder
2068  *
2069  * RETURNS
2070  *  Success: S_OK
2071  *  Failure: Standard OLE-defined error result, S_FALSE or E_INVALIDARG
2072  *
2073  * NOTES
2074  *  Creates missing reg keys and directories.
2075  *  Mostly forwards to SHGetFolderPathW, but a few values of nFolder return
2076  *  virtual folders that are handled here.
2077  */
2078 HRESULT WINAPI SHGetFolderLocation(
2079         HWND hwndOwner,
2080         int nFolder,
2081         HANDLE hToken,
2082         DWORD dwReserved,
2083         LPITEMIDLIST *ppidl)
2084 {
2085     HRESULT hr = E_INVALIDARG;
2086
2087     TRACE("%p 0x%08x %p 0x%08lx %p\n",
2088      hwndOwner, nFolder, hToken, dwReserved, ppidl);
2089
2090     if (!ppidl)
2091         return E_INVALIDARG;
2092     if (dwReserved)
2093         return E_INVALIDARG;
2094
2095     /* The virtual folders' locations are not user-dependent */
2096     *ppidl = NULL;
2097     switch (nFolder)
2098     {
2099         case CSIDL_DESKTOP:
2100             *ppidl = _ILCreateDesktop();
2101             break;
2102
2103         case CSIDL_INTERNET:
2104             *ppidl = _ILCreateIExplore();
2105             break;
2106
2107         case CSIDL_CONTROLS:
2108             *ppidl = _ILCreateControlPanel();
2109             break;
2110
2111         case CSIDL_PRINTERS:
2112             *ppidl = _ILCreatePrinters();
2113             break;
2114
2115         case CSIDL_BITBUCKET:
2116             *ppidl = _ILCreateBitBucket();
2117             break;
2118
2119         case CSIDL_DRIVES:
2120             *ppidl = _ILCreateMyComputer();
2121             break;
2122
2123         case CSIDL_NETWORK:
2124             *ppidl = _ILCreateNetwork();
2125             break;
2126
2127         default:
2128         {
2129             WCHAR szPath[MAX_PATH];
2130
2131             hr = SHGetFolderPathW(hwndOwner, nFolder, hToken,
2132              SHGFP_TYPE_CURRENT, szPath);
2133             if (SUCCEEDED(hr))
2134             {
2135                 DWORD attributes=0;
2136
2137                 TRACE("Value=%s\n", debugstr_w(szPath));
2138                 hr = SHILCreateFromPathW(szPath, ppidl, &attributes);
2139             }
2140             else if (hr == HRESULT_FROM_WIN32(ERROR_FILE_NOT_FOUND))
2141             {
2142                 /* unlike SHGetFolderPath, SHGetFolderLocation in shell32
2143                  * version 6.0 returns E_FAIL for nonexistent paths
2144                  */
2145                 hr = E_FAIL;
2146             }
2147         }
2148     }
2149     if(*ppidl)
2150         hr = NOERROR;
2151
2152     TRACE("-- (new pidl %p)\n",*ppidl);
2153     return hr;
2154 }
2155
2156 /*************************************************************************
2157  * SHGetSpecialFolderLocation           [SHELL32.@]
2158  *
2159  * NOTES
2160  *   In NT5, SHGetSpecialFolderLocation needs the <winntdir>/Recent
2161  *   directory.
2162  */
2163 HRESULT WINAPI SHGetSpecialFolderLocation(
2164         HWND hwndOwner,
2165         INT nFolder,
2166         LPITEMIDLIST * ppidl)
2167 {
2168     HRESULT hr = E_INVALIDARG;
2169
2170     TRACE("(%p,0x%x,%p)\n", hwndOwner,nFolder,ppidl);
2171
2172     if (!ppidl)
2173         return E_INVALIDARG;
2174
2175     hr = SHGetFolderLocation(hwndOwner, nFolder, NULL, 0, ppidl);
2176     return hr;
2177 }