dlls: Fix some specfiles with respect to 'str' and 'wstr' usage.
[wine] / dlls / shell32 / shellpath.c
1 /*
2  * Path Functions
3  *
4  * Copyright 1998, 1999, 2000 Juergen Schmied
5  * Copyright 2004 Juan Lang
6  *
7  * This library is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU Lesser General Public
9  * License as published by the Free Software Foundation; either
10  * version 2.1 of the License, or (at your option) any later version.
11  *
12  * This library is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15  * Lesser General Public License for more details.
16  *
17  * You should have received a copy of the GNU Lesser General Public
18  * License along with this library; if not, write to the Free Software
19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
20  *
21  * NOTES:
22  *
23  * Many of these functions are in SHLWAPI.DLL also
24  *
25  */
26
27 #include "config.h"
28 #include "wine/port.h"
29
30 #include <stdio.h>
31 #include <stdarg.h>
32 #include <string.h>
33 #include <ctype.h>
34 #include "wine/debug.h"
35 #include "windef.h"
36 #include "winbase.h"
37 #include "winnls.h"
38 #include "winreg.h"
39 #include "wingdi.h"
40 #include "winuser.h"
41
42 #include "shlobj.h"
43 #include "shtypes.h"
44 #include "shresdef.h"
45 #include "shell32_main.h"
46 #include "undocshell.h"
47 #include "pidl.h"
48 #include "wine/unicode.h"
49 #include "shlwapi.h"
50 #include "xdg.h"
51 #include "sddl.h"
52
53 WINE_DEFAULT_DEBUG_CHANNEL(shell);
54
55 /*
56         ########## Combining and Constructing paths ##########
57 */
58
59 /*************************************************************************
60  * PathAppend           [SHELL32.36]
61  */
62 BOOL WINAPI PathAppendAW(
63         LPVOID lpszPath1,
64         LPCVOID lpszPath2)
65 {
66         if (SHELL_OsIsUnicode())
67           return PathAppendW(lpszPath1, lpszPath2);
68         return PathAppendA(lpszPath1, lpszPath2);
69 }
70
71 /*************************************************************************
72  * PathCombine   [SHELL32.37]
73  */
74 LPVOID WINAPI PathCombineAW(
75         LPVOID szDest,
76         LPCVOID lpszDir,
77         LPCVOID lpszFile)
78 {
79         if (SHELL_OsIsUnicode())
80           return PathCombineW( szDest, lpszDir, lpszFile );
81         return PathCombineA( szDest, lpszDir, lpszFile );
82 }
83
84 /*************************************************************************
85  * PathAddBackslash             [SHELL32.32]
86  */
87 LPVOID WINAPI PathAddBackslashAW(LPVOID lpszPath)
88 {
89         if(SHELL_OsIsUnicode())
90           return PathAddBackslashW(lpszPath);
91         return PathAddBackslashA(lpszPath);
92 }
93
94 /*************************************************************************
95  * PathBuildRoot                [SHELL32.30]
96  */
97 LPVOID WINAPI PathBuildRootAW(LPVOID lpszPath, int drive)
98 {
99         if(SHELL_OsIsUnicode())
100           return PathBuildRootW(lpszPath, drive);
101         return PathBuildRootA(lpszPath, drive);
102 }
103
104 /*
105         Extracting Component Parts
106 */
107
108 /*************************************************************************
109  * PathFindFileName     [SHELL32.34]
110  */
111 LPVOID WINAPI PathFindFileNameAW(LPCVOID lpszPath)
112 {
113         if(SHELL_OsIsUnicode())
114           return PathFindFileNameW(lpszPath);
115         return PathFindFileNameA(lpszPath);
116 }
117
118 /*************************************************************************
119  * PathFindExtension            [SHELL32.31]
120  */
121 LPVOID WINAPI PathFindExtensionAW(LPCVOID lpszPath)
122 {
123         if (SHELL_OsIsUnicode())
124           return PathFindExtensionW(lpszPath);
125         return PathFindExtensionA(lpszPath);
126
127 }
128
129 /*************************************************************************
130  * PathGetExtensionA            [internal]
131  *
132  * NOTES
133  *  exported by ordinal
134  *  return value points to the first char after the dot
135  */
136 static LPSTR PathGetExtensionA(LPCSTR lpszPath)
137 {
138         TRACE("(%s)\n",lpszPath);
139
140         lpszPath = PathFindExtensionA(lpszPath);
141         return (LPSTR)(*lpszPath?(lpszPath+1):lpszPath);
142 }
143
144 /*************************************************************************
145  * PathGetExtensionW            [internal]
146  */
147 static LPWSTR PathGetExtensionW(LPCWSTR lpszPath)
148 {
149         TRACE("(%s)\n",debugstr_w(lpszPath));
150
151         lpszPath = PathFindExtensionW(lpszPath);
152         return (LPWSTR)(*lpszPath?(lpszPath+1):lpszPath);
153 }
154
155 /*************************************************************************
156  * PathGetExtension             [SHELL32.158]
157  */
158 LPVOID WINAPI PathGetExtensionAW(LPCVOID lpszPath,DWORD void1, DWORD void2)
159 {
160         if (SHELL_OsIsUnicode())
161           return PathGetExtensionW(lpszPath);
162         return PathGetExtensionA(lpszPath);
163 }
164
165 /*************************************************************************
166  * PathGetArgs  [SHELL32.52]
167  */
168 LPVOID WINAPI PathGetArgsAW(LPVOID lpszPath)
169 {
170         if (SHELL_OsIsUnicode())
171           return PathGetArgsW(lpszPath);
172         return PathGetArgsA(lpszPath);
173 }
174
175 /*************************************************************************
176  * PathGetDriveNumber   [SHELL32.57]
177  */
178 int WINAPI PathGetDriveNumberAW(LPVOID lpszPath)
179 {
180         if (SHELL_OsIsUnicode())
181           return PathGetDriveNumberW(lpszPath);
182         return PathGetDriveNumberA(lpszPath);
183 }
184
185 /*************************************************************************
186  * PathRemoveFileSpec [SHELL32.35]
187  */
188 BOOL WINAPI PathRemoveFileSpecAW(LPVOID lpszPath)
189 {
190         if (SHELL_OsIsUnicode())
191           return PathRemoveFileSpecW(lpszPath);
192         return PathRemoveFileSpecA(lpszPath);
193 }
194
195 /*************************************************************************
196  * PathStripPath        [SHELL32.38]
197  */
198 void WINAPI PathStripPathAW(LPVOID lpszPath)
199 {
200         if (SHELL_OsIsUnicode())
201             PathStripPathW(lpszPath);
202         else
203             PathStripPathA(lpszPath);
204 }
205
206 /*************************************************************************
207  * PathStripToRoot      [SHELL32.50]
208  */
209 BOOL WINAPI PathStripToRootAW(LPVOID lpszPath)
210 {
211         if (SHELL_OsIsUnicode())
212           return PathStripToRootW(lpszPath);
213         return PathStripToRootA(lpszPath);
214 }
215
216 /*************************************************************************
217  * PathRemoveArgs       [SHELL32.251]
218  */
219 void WINAPI PathRemoveArgsAW(LPVOID lpszPath)
220 {
221         if (SHELL_OsIsUnicode())
222             PathRemoveArgsW(lpszPath);
223         else
224             PathRemoveArgsA(lpszPath);
225 }
226
227 /*************************************************************************
228  * PathRemoveExtension  [SHELL32.250]
229  */
230 void WINAPI PathRemoveExtensionAW(LPVOID lpszPath)
231 {
232         if (SHELL_OsIsUnicode())
233             PathRemoveExtensionW(lpszPath);
234         else
235             PathRemoveExtensionA(lpszPath);
236 }
237
238
239 /*
240         Path Manipulations
241 */
242
243 /*************************************************************************
244  * PathGetShortPathA [internal]
245  */
246 static void PathGetShortPathA(LPSTR pszPath)
247 {
248         CHAR path[MAX_PATH];
249
250         TRACE("%s\n", pszPath);
251
252         if (GetShortPathNameA(pszPath, path, MAX_PATH))
253         {
254           lstrcpyA(pszPath, path);
255         }
256 }
257
258 /*************************************************************************
259  * PathGetShortPathW [internal]
260  */
261 static void PathGetShortPathW(LPWSTR pszPath)
262 {
263         WCHAR path[MAX_PATH];
264
265         TRACE("%s\n", debugstr_w(pszPath));
266
267         if (GetShortPathNameW(pszPath, path, MAX_PATH))
268         {
269           lstrcpyW(pszPath, path);
270         }
271 }
272
273 /*************************************************************************
274  * PathGetShortPath [SHELL32.92]
275  */
276 VOID WINAPI PathGetShortPathAW(LPVOID pszPath)
277 {
278         if(SHELL_OsIsUnicode())
279           PathGetShortPathW(pszPath);
280         PathGetShortPathA(pszPath);
281 }
282
283 /*************************************************************************
284  * PathRemoveBlanks [SHELL32.33]
285  */
286 void WINAPI PathRemoveBlanksAW(LPVOID str)
287 {
288         if(SHELL_OsIsUnicode())
289             PathRemoveBlanksW(str);
290         else
291             PathRemoveBlanksA(str);
292 }
293
294 /*************************************************************************
295  * PathQuoteSpaces [SHELL32.55]
296  */
297 VOID WINAPI PathQuoteSpacesAW (LPVOID lpszPath)
298 {
299         if(SHELL_OsIsUnicode())
300             PathQuoteSpacesW(lpszPath);
301         else
302             PathQuoteSpacesA(lpszPath);
303 }
304
305 /*************************************************************************
306  * PathUnquoteSpaces [SHELL32.56]
307  */
308 VOID WINAPI PathUnquoteSpacesAW(LPVOID str)
309 {
310         if(SHELL_OsIsUnicode())
311           PathUnquoteSpacesW(str);
312         else
313           PathUnquoteSpacesA(str);
314 }
315
316 /*************************************************************************
317  * PathParseIconLocation        [SHELL32.249]
318  */
319 int WINAPI PathParseIconLocationAW (LPVOID lpszPath)
320 {
321         if(SHELL_OsIsUnicode())
322           return PathParseIconLocationW(lpszPath);
323         return PathParseIconLocationA(lpszPath);
324 }
325
326 /*
327         ########## Path Testing ##########
328 */
329 /*************************************************************************
330  * PathIsUNC            [SHELL32.39]
331  */
332 BOOL WINAPI PathIsUNCAW (LPCVOID lpszPath)
333 {
334         if (SHELL_OsIsUnicode())
335           return PathIsUNCW( lpszPath );
336         return PathIsUNCA( lpszPath );
337 }
338
339 /*************************************************************************
340  *  PathIsRelative      [SHELL32.40]
341  */
342 BOOL WINAPI PathIsRelativeAW (LPCVOID lpszPath)
343 {
344         if (SHELL_OsIsUnicode())
345           return PathIsRelativeW( lpszPath );
346         return PathIsRelativeA( lpszPath );
347 }
348
349 /*************************************************************************
350  * PathIsRoot           [SHELL32.29]
351  */
352 BOOL WINAPI PathIsRootAW(LPCVOID lpszPath)
353 {
354         if (SHELL_OsIsUnicode())
355           return PathIsRootW(lpszPath);
356         return PathIsRootA(lpszPath);
357 }
358
359 /*************************************************************************
360  *  PathIsExeA          [internal]
361  */
362 static BOOL PathIsExeA (LPCSTR lpszPath)
363 {
364         LPCSTR lpszExtension = PathGetExtensionA(lpszPath);
365         int i;
366         static const char * const lpszExtensions[] =
367             {"exe", "com", "pif", "cmd", "bat", "scf", "scr", NULL };
368
369         TRACE("path=%s\n",lpszPath);
370
371         for(i=0; lpszExtensions[i]; i++)
372           if (!lstrcmpiA(lpszExtension,lpszExtensions[i])) return TRUE;
373
374         return FALSE;
375 }
376
377 /*************************************************************************
378  *  PathIsExeW          [internal]
379  */
380 static BOOL PathIsExeW (LPCWSTR lpszPath)
381 {
382         LPCWSTR lpszExtension = PathGetExtensionW(lpszPath);
383         int i;
384         static const WCHAR lpszExtensions[][4] =
385             {{'e','x','e','\0'}, {'c','o','m','\0'}, {'p','i','f','\0'},
386              {'c','m','d','\0'}, {'b','a','t','\0'}, {'s','c','f','\0'},
387              {'s','c','r','\0'}, {'\0'} };
388
389         TRACE("path=%s\n",debugstr_w(lpszPath));
390
391         for(i=0; lpszExtensions[i][0]; i++)
392           if (!strcmpiW(lpszExtension,lpszExtensions[i])) return TRUE;
393
394         return FALSE;
395 }
396
397 /*************************************************************************
398  *  PathIsExe           [SHELL32.43]
399  */
400 BOOL WINAPI PathIsExeAW (LPCVOID path)
401 {
402         if (SHELL_OsIsUnicode())
403           return PathIsExeW (path);
404         return PathIsExeA(path);
405 }
406
407 /*************************************************************************
408  * PathIsDirectory      [SHELL32.159]
409  */
410 BOOL WINAPI PathIsDirectoryAW (LPCVOID lpszPath)
411 {
412         if (SHELL_OsIsUnicode())
413           return PathIsDirectoryW (lpszPath);
414         return PathIsDirectoryA (lpszPath);
415 }
416
417 /*************************************************************************
418  * PathFileExists       [SHELL32.45]
419  */
420 BOOL WINAPI PathFileExistsAW (LPCVOID lpszPath)
421 {
422         if (SHELL_OsIsUnicode())
423           return PathFileExistsW (lpszPath);
424         return PathFileExistsA (lpszPath);
425 }
426
427 /*************************************************************************
428  * PathMatchSpec        [SHELL32.46]
429  */
430 BOOL WINAPI PathMatchSpecAW(LPVOID name, LPVOID mask)
431 {
432         if (SHELL_OsIsUnicode())
433           return PathMatchSpecW( name, mask );
434         return PathMatchSpecA( name, mask );
435 }
436
437 /*************************************************************************
438  * PathIsSameRoot       [SHELL32.650]
439  */
440 BOOL WINAPI PathIsSameRootAW(LPCVOID lpszPath1, LPCVOID lpszPath2)
441 {
442         if (SHELL_OsIsUnicode())
443           return PathIsSameRootW(lpszPath1, lpszPath2);
444         return PathIsSameRootA(lpszPath1, lpszPath2);
445 }
446
447 /*************************************************************************
448  * IsLFNDriveA          [SHELL32.41]
449  */
450 BOOL WINAPI IsLFNDriveA(LPCSTR lpszPath)
451 {
452     DWORD       fnlen;
453
454     if (!GetVolumeInformationA(lpszPath, NULL, 0, NULL, &fnlen, NULL, NULL, 0))
455         return FALSE;
456     return fnlen > 12;
457 }
458
459 /*************************************************************************
460  * IsLFNDriveW          [SHELL32.42]
461  */
462 BOOL WINAPI IsLFNDriveW(LPCWSTR lpszPath)
463 {
464     DWORD       fnlen;
465
466     if (!GetVolumeInformationW(lpszPath, NULL, 0, NULL, &fnlen, NULL, NULL, 0))
467         return FALSE;
468     return fnlen > 12;
469 }
470
471 /*************************************************************************
472  * IsLFNDrive           [SHELL32.119]
473  */
474 BOOL WINAPI IsLFNDriveAW(LPCVOID lpszPath)
475 {
476         if (SHELL_OsIsUnicode())
477           return IsLFNDriveW(lpszPath);
478         return IsLFNDriveA(lpszPath);
479 }
480
481 /*
482         ########## Creating Something Unique ##########
483 */
484 /*************************************************************************
485  * PathMakeUniqueNameA  [internal]
486  */
487 static BOOL PathMakeUniqueNameA(
488         LPSTR lpszBuffer,
489         DWORD dwBuffSize,
490         LPCSTR lpszShortName,
491         LPCSTR lpszLongName,
492         LPCSTR lpszPathName)
493 {
494         FIXME("%p %u %s %s %s stub\n",
495          lpszBuffer, dwBuffSize, debugstr_a(lpszShortName),
496          debugstr_a(lpszLongName), debugstr_a(lpszPathName));
497         return TRUE;
498 }
499
500 /*************************************************************************
501  * PathMakeUniqueNameW  [internal]
502  */
503 static BOOL PathMakeUniqueNameW(
504         LPWSTR lpszBuffer,
505         DWORD dwBuffSize,
506         LPCWSTR lpszShortName,
507         LPCWSTR lpszLongName,
508         LPCWSTR lpszPathName)
509 {
510         FIXME("%p %u %s %s %s stub\n",
511          lpszBuffer, dwBuffSize, debugstr_w(lpszShortName),
512          debugstr_w(lpszLongName), debugstr_w(lpszPathName));
513         return TRUE;
514 }
515
516 /*************************************************************************
517  * PathMakeUniqueName   [SHELL32.47]
518  */
519 BOOL WINAPI PathMakeUniqueNameAW(
520         LPVOID lpszBuffer,
521         DWORD dwBuffSize,
522         LPCVOID lpszShortName,
523         LPCVOID lpszLongName,
524         LPCVOID lpszPathName)
525 {
526         if (SHELL_OsIsUnicode())
527           return PathMakeUniqueNameW(lpszBuffer,dwBuffSize, lpszShortName,lpszLongName,lpszPathName);
528         return PathMakeUniqueNameA(lpszBuffer,dwBuffSize, lpszShortName,lpszLongName,lpszPathName);
529 }
530
531 /*************************************************************************
532  * PathYetAnotherMakeUniqueName [SHELL32.75]
533  *
534  * NOTES
535  *     exported by ordinal
536  */
537 BOOL WINAPI PathYetAnotherMakeUniqueName(
538         LPWSTR lpszBuffer,
539         LPCWSTR lpszPathName,
540         LPCWSTR lpszShortName,
541         LPCWSTR lpszLongName)
542 {
543     FIXME("(%p, %s, %s ,%s):stub.\n",
544           lpszBuffer, debugstr_w(lpszPathName), debugstr_w(lpszShortName), debugstr_w(lpszLongName));
545     return TRUE;
546 }
547
548
549 /*
550         ########## cleaning and resolving paths ##########
551  */
552
553 /*************************************************************************
554  * PathFindOnPath       [SHELL32.145]
555  */
556 BOOL WINAPI PathFindOnPathAW(LPVOID sFile, LPCVOID *sOtherDirs)
557 {
558         if (SHELL_OsIsUnicode())
559           return PathFindOnPathW(sFile, (LPCWSTR *)sOtherDirs);
560         return PathFindOnPathA(sFile, (LPCSTR *)sOtherDirs);
561 }
562
563 /*************************************************************************
564  * PathCleanupSpec      [SHELL32.171]
565  *
566  * lpszFile is changed in place.
567  */
568 int WINAPI PathCleanupSpec( LPCWSTR lpszPathW, LPWSTR lpszFileW )
569 {
570     int i = 0;
571     DWORD rc = 0;
572     int length = 0;
573
574     if (SHELL_OsIsUnicode())
575     {
576         LPWSTR p = lpszFileW;
577
578         TRACE("Cleanup %s\n",debugstr_w(lpszFileW));
579
580         if (lpszPathW)
581             length = strlenW(lpszPathW);
582
583         while (*p)
584         {
585             int gct = PathGetCharTypeW(*p);
586             if (gct == GCT_INVALID || gct == GCT_WILD || gct == GCT_SEPARATOR)
587             {
588                 lpszFileW[i]='-';
589                 rc |= PCS_REPLACEDCHAR;
590             }
591             else
592                 lpszFileW[i]=*p;
593             i++;
594             p++;
595             if (length + i == MAX_PATH)
596             {
597                 rc |= PCS_FATAL | PCS_PATHTOOLONG;
598                 break;
599             }
600         }
601         lpszFileW[i]=0;
602     }
603     else
604     {
605         LPSTR lpszFileA = (LPSTR)lpszFileW;
606         LPCSTR lpszPathA = (LPCSTR)lpszPathW;
607         LPSTR p = lpszFileA;
608
609         TRACE("Cleanup %s\n",debugstr_a(lpszFileA));
610
611         if (lpszPathA)
612             length = strlen(lpszPathA);
613
614         while (*p)
615         {
616             int gct = PathGetCharTypeA(*p);
617             if (gct == GCT_INVALID || gct == GCT_WILD || gct == GCT_SEPARATOR)
618             {
619                 lpszFileA[i]='-';
620                 rc |= PCS_REPLACEDCHAR;
621             }
622             else
623                 lpszFileA[i]=*p;
624             i++;
625             p++;
626             if (length + i == MAX_PATH)
627             {
628                 rc |= PCS_FATAL | PCS_PATHTOOLONG;
629                 break;
630             }
631         }
632         lpszFileA[i]=0;
633     }
634     return rc;
635 }
636
637 /*************************************************************************
638  * PathQualifyA         [SHELL32]
639  */
640 static BOOL PathQualifyA(LPCSTR pszPath)
641 {
642         FIXME("%s\n",pszPath);
643         return 0;
644 }
645
646 /*************************************************************************
647  * PathQualifyW         [SHELL32]
648  */
649 static BOOL PathQualifyW(LPCWSTR pszPath)
650 {
651         FIXME("%s\n",debugstr_w(pszPath));
652         return 0;
653 }
654
655 /*************************************************************************
656  * PathQualify  [SHELL32.49]
657  */
658 BOOL WINAPI PathQualifyAW(LPCVOID pszPath)
659 {
660         if (SHELL_OsIsUnicode())
661           return PathQualifyW(pszPath);
662         return PathQualifyA(pszPath);
663 }
664
665 static BOOL PathResolveA(
666         LPSTR lpszPath,
667         LPCSTR *alpszPaths,
668         DWORD dwFlags)
669 {
670         FIXME("(%s,%p,0x%08x),stub!\n",
671           lpszPath, *alpszPaths, dwFlags);
672         return 0;
673 }
674
675 static BOOL PathResolveW(
676         LPWSTR lpszPath,
677         LPCWSTR *alpszPaths,
678         DWORD dwFlags)
679 {
680         FIXME("(%s,%p,0x%08x),stub!\n",
681           debugstr_w(lpszPath), debugstr_w(*alpszPaths), dwFlags);
682         return 0;
683 }
684
685 /*************************************************************************
686  * PathResolve [SHELL32.51]
687  */
688 BOOL WINAPI PathResolveAW(
689         LPVOID lpszPath,
690         LPCVOID *alpszPaths,
691         DWORD dwFlags)
692 {
693         if (SHELL_OsIsUnicode())
694           return PathResolveW(lpszPath, (LPCWSTR*)alpszPaths, dwFlags);
695         return PathResolveA(lpszPath, (LPCSTR*)alpszPaths, dwFlags);
696 }
697
698 /*************************************************************************
699 *       PathProcessCommandA
700 */
701 static LONG PathProcessCommandA (
702         LPCSTR lpszPath,
703         LPSTR lpszBuff,
704         DWORD dwBuffSize,
705         DWORD dwFlags)
706 {
707         FIXME("%s %p 0x%04x 0x%04x stub\n",
708         lpszPath, lpszBuff, dwBuffSize, dwFlags);
709         if(!lpszPath) return -1;
710         if(lpszBuff) strcpy(lpszBuff, lpszPath);
711         return strlen(lpszPath);
712 }
713
714 /*************************************************************************
715 *       PathProcessCommandW
716 */
717 static LONG PathProcessCommandW (
718         LPCWSTR lpszPath,
719         LPWSTR lpszBuff,
720         DWORD dwBuffSize,
721         DWORD dwFlags)
722 {
723         FIXME("(%s, %p, 0x%04x, 0x%04x) stub\n",
724         debugstr_w(lpszPath), lpszBuff, dwBuffSize, dwFlags);
725         if(!lpszPath) return -1;
726         if(lpszBuff) strcpyW(lpszBuff, lpszPath);
727         return strlenW(lpszPath);
728 }
729
730 /*************************************************************************
731 *       PathProcessCommand (SHELL32.653)
732 */
733 LONG 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 Common_FavoritesW[] = {'C','o','m','m','o','n',' ','F','a','v','o','r','i','t','e','s','\0'};
769 static const WCHAR CommonFilesDirW[] = {'C','o','m','m','o','n','F','i','l','e','s','D','i','r','\0'};
770 static const WCHAR CommonMusicW[] = {'C','o','m','m','o','n','M','u','s','i','c','\0'};
771 static const WCHAR CommonPicturesW[] = {'C','o','m','m','o','n','P','i','c','t','u','r','e','s','\0'};
772 static const WCHAR Common_ProgramsW[] = {'C','o','m','m','o','n',' ','P','r','o','g','r','a','m','s','\0'};
773 static const WCHAR Common_StartUpW[] = {'C','o','m','m','o','n',' ','S','t','a','r','t','U','p','\0'};
774 static const WCHAR Common_Start_MenuW[] = {'C','o','m','m','o','n',' ','S','t','a','r','t',' ','M','e','n','u','\0'};
775 static const WCHAR Common_TemplatesW[] = {'C','o','m','m','o','n',' ','T','e','m','p','l','a','t','e','s','\0'};
776 static const WCHAR CommonVideoW[] = {'C','o','m','m','o','n','V','i','d','e','o','\0'};
777 static const WCHAR CookiesW[] = {'C','o','o','k','i','e','s','\0'};
778 static const WCHAR DesktopW[] = {'D','e','s','k','t','o','p','\0'};
779 static const WCHAR FavoritesW[] = {'F','a','v','o','r','i','t','e','s','\0'};
780 static const WCHAR FontsW[] = {'F','o','n','t','s','\0'};
781 static const WCHAR HistoryW[] = {'H','i','s','t','o','r','y','\0'};
782 static const WCHAR Local_AppDataW[] = {'L','o','c','a','l',' ','A','p','p','D','a','t','a','\0'};
783 static const WCHAR My_MusicW[] = {'M','y',' ','M','u','s','i','c','\0'};
784 static const WCHAR My_PicturesW[] = {'M','y',' ','P','i','c','t','u','r','e','s','\0'};
785 static const WCHAR My_VideoW[] = {'M','y',' ','V','i','d','e','o','s','\0'};
786 static const WCHAR NetHoodW[] = {'N','e','t','H','o','o','d','\0'};
787 static const WCHAR PersonalW[] = {'P','e','r','s','o','n','a','l','\0'};
788 static const WCHAR PrintHoodW[] = {'P','r','i','n','t','H','o','o','d','\0'};
789 static const WCHAR ProgramFilesDirW[] = {'P','r','o','g','r','a','m','F','i','l','e','s','D','i','r','\0'};
790 static const WCHAR ProgramsW[] = {'P','r','o','g','r','a','m','s','\0'};
791 static const WCHAR RecentW[] = {'R','e','c','e','n','t','\0'};
792 static const WCHAR ResourcesW[] = {'R','e','s','o','u','r','c','e','s','\0'};
793 static const WCHAR SendToW[] = {'S','e','n','d','T','o','\0'};
794 static const WCHAR StartUpW[] = {'S','t','a','r','t','U','p','\0'};
795 static const WCHAR Start_MenuW[] = {'S','t','a','r','t',' ','M','e','n','u','\0'};
796 static const WCHAR TemplatesW[] = {'T','e','m','p','l','a','t','e','s','\0'};
797 static const WCHAR DefaultW[] = {'.','D','e','f','a','u','l','t','\0'};
798 static const WCHAR AllUsersProfileW[] = {'%','A','L','L','U','S','E','R','S','P','R','O','F','I','L','E','%','\0'};
799 static const WCHAR UserProfileW[] = {'%','U','S','E','R','P','R','O','F','I','L','E','%','\0'};
800 static const WCHAR SystemDriveW[] = {'%','S','y','s','t','e','m','D','r','i','v','e','%','\0'};
801 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};
802 static const WCHAR ProfilesDirectoryW[] = {'P','r','o','f','i','l','e','s','D','i','r','e','c','t','o','r','y',0};
803 static const WCHAR AllUsersProfileValueW[] = {'A','l','l','U','s','e','r','s','P','r','o','f','i','l','e','\0'};
804 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'};
805 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'};
806 static const WCHAR szDefaultProfileDirW[] = {'u','s','e','r','s',0};
807 static const WCHAR AllUsersW[] = {'P','u','b','l','i','c',0};
808
809 typedef enum _CSIDL_Type {
810     CSIDL_Type_User,
811     CSIDL_Type_AllUsers,
812     CSIDL_Type_CurrVer,
813     CSIDL_Type_Disallowed,
814     CSIDL_Type_NonExistent,
815     CSIDL_Type_WindowsPath,
816     CSIDL_Type_SystemPath,
817     CSIDL_Type_SystemX86Path,
818 } CSIDL_Type;
819
820 typedef struct
821 {
822     CSIDL_Type type;
823     LPCWSTR    szValueName;
824     LPCWSTR    szDefaultPath; /* fallback string or resource ID */
825 } CSIDL_DATA;
826
827 static const CSIDL_DATA CSIDL_Data[] =
828 {
829     { /* 0x00 - CSIDL_DESKTOP */
830         CSIDL_Type_User,
831         DesktopW,
832         MAKEINTRESOURCEW(IDS_DESKTOPDIRECTORY)
833     },
834     { /* 0x01 - CSIDL_INTERNET */
835         CSIDL_Type_Disallowed,
836         NULL,
837         NULL
838     },
839     { /* 0x02 - CSIDL_PROGRAMS */
840         CSIDL_Type_User,
841         ProgramsW,
842         MAKEINTRESOURCEW(IDS_PROGRAMS)
843     },
844     { /* 0x03 - CSIDL_CONTROLS (.CPL files) */
845         CSIDL_Type_SystemPath,
846         NULL,
847         NULL
848     },
849     { /* 0x04 - CSIDL_PRINTERS */
850         CSIDL_Type_SystemPath,
851         NULL,
852         NULL
853     },
854     { /* 0x05 - CSIDL_PERSONAL */
855         CSIDL_Type_User,
856         PersonalW,
857         MAKEINTRESOURCEW(IDS_PERSONAL)
858     },
859     { /* 0x06 - CSIDL_FAVORITES */
860         CSIDL_Type_User,
861         FavoritesW,
862         MAKEINTRESOURCEW(IDS_FAVORITES)
863     },
864     { /* 0x07 - CSIDL_STARTUP */
865         CSIDL_Type_User,
866         StartUpW,
867         MAKEINTRESOURCEW(IDS_STARTUP)
868     },
869     { /* 0x08 - CSIDL_RECENT */
870         CSIDL_Type_User,
871         RecentW,
872         MAKEINTRESOURCEW(IDS_RECENT)
873     },
874     { /* 0x09 - CSIDL_SENDTO */
875         CSIDL_Type_User,
876         SendToW,
877         MAKEINTRESOURCEW(IDS_SENDTO)
878     },
879     { /* 0x0a - CSIDL_BITBUCKET - Recycle Bin */
880         CSIDL_Type_Disallowed,
881         NULL,
882         NULL,
883     },
884     { /* 0x0b - CSIDL_STARTMENU */
885         CSIDL_Type_User,
886         Start_MenuW,
887         MAKEINTRESOURCEW(IDS_STARTMENU)
888     },
889     { /* 0x0c - CSIDL_MYDOCUMENTS */
890         CSIDL_Type_Disallowed, /* matches WinXP--can't get its path */
891         NULL,
892         NULL
893     },
894     { /* 0x0d - CSIDL_MYMUSIC */
895         CSIDL_Type_User,
896         My_MusicW,
897         MAKEINTRESOURCEW(IDS_MYMUSIC)
898     },
899     { /* 0x0e - CSIDL_MYVIDEO */
900         CSIDL_Type_User,
901         My_VideoW,
902         MAKEINTRESOURCEW(IDS_MYVIDEO)
903     },
904     { /* 0x0f - unassigned */
905         CSIDL_Type_Disallowed,
906         NULL,
907         NULL,
908     },
909     { /* 0x10 - CSIDL_DESKTOPDIRECTORY */
910         CSIDL_Type_User,
911         DesktopW,
912         MAKEINTRESOURCEW(IDS_DESKTOPDIRECTORY)
913     },
914     { /* 0x11 - CSIDL_DRIVES */
915         CSIDL_Type_Disallowed,
916         NULL,
917         NULL,
918     },
919     { /* 0x12 - CSIDL_NETWORK */
920         CSIDL_Type_Disallowed,
921         NULL,
922         NULL,
923     },
924     { /* 0x13 - CSIDL_NETHOOD */
925         CSIDL_Type_User,
926         NetHoodW,
927         MAKEINTRESOURCEW(IDS_NETHOOD)
928     },
929     { /* 0x14 - CSIDL_FONTS */
930         CSIDL_Type_WindowsPath,
931         FontsW,
932         FontsW
933     },
934     { /* 0x15 - CSIDL_TEMPLATES */
935         CSIDL_Type_User,
936         TemplatesW,
937         MAKEINTRESOURCEW(IDS_TEMPLATES)
938     },
939     { /* 0x16 - CSIDL_COMMON_STARTMENU */
940         CSIDL_Type_AllUsers,
941         Common_Start_MenuW,
942         MAKEINTRESOURCEW(IDS_STARTMENU)
943     },
944     { /* 0x17 - CSIDL_COMMON_PROGRAMS */
945         CSIDL_Type_AllUsers,
946         Common_ProgramsW,
947         MAKEINTRESOURCEW(IDS_PROGRAMS)
948     },
949     { /* 0x18 - CSIDL_COMMON_STARTUP */
950         CSIDL_Type_AllUsers,
951         Common_StartUpW,
952         MAKEINTRESOURCEW(IDS_STARTUP)
953     },
954     { /* 0x19 - CSIDL_COMMON_DESKTOPDIRECTORY */
955         CSIDL_Type_AllUsers,
956         Common_DesktopW,
957         MAKEINTRESOURCEW(IDS_DESKTOPDIRECTORY)
958     },
959     { /* 0x1a - CSIDL_APPDATA */
960         CSIDL_Type_User,
961         AppDataW,
962         MAKEINTRESOURCEW(IDS_APPDATA)
963     },
964     { /* 0x1b - CSIDL_PRINTHOOD */
965         CSIDL_Type_User,
966         PrintHoodW,
967         MAKEINTRESOURCEW(IDS_PRINTHOOD)
968     },
969     { /* 0x1c - CSIDL_LOCAL_APPDATA */
970         CSIDL_Type_User,
971         Local_AppDataW,
972         MAKEINTRESOURCEW(IDS_LOCAL_APPDATA)
973     },
974     { /* 0x1d - CSIDL_ALTSTARTUP */
975         CSIDL_Type_NonExistent,
976         NULL,
977         NULL
978     },
979     { /* 0x1e - CSIDL_COMMON_ALTSTARTUP */
980         CSIDL_Type_NonExistent,
981         NULL,
982         NULL
983     },
984     { /* 0x1f - CSIDL_COMMON_FAVORITES */
985         CSIDL_Type_AllUsers,
986         Common_FavoritesW,
987         MAKEINTRESOURCEW(IDS_FAVORITES)
988     },
989     { /* 0x20 - CSIDL_INTERNET_CACHE */
990         CSIDL_Type_User,
991         CacheW,
992         MAKEINTRESOURCEW(IDS_INTERNET_CACHE)
993     },
994     { /* 0x21 - CSIDL_COOKIES */
995         CSIDL_Type_User,
996         CookiesW,
997         MAKEINTRESOURCEW(IDS_COOKIES)
998     },
999     { /* 0x22 - CSIDL_HISTORY */
1000         CSIDL_Type_User,
1001         HistoryW,
1002         MAKEINTRESOURCEW(IDS_HISTORY)
1003     },
1004     { /* 0x23 - CSIDL_COMMON_APPDATA */
1005         CSIDL_Type_AllUsers,
1006         Common_AppDataW,
1007         MAKEINTRESOURCEW(IDS_APPDATA)
1008     },
1009     { /* 0x24 - CSIDL_WINDOWS */
1010         CSIDL_Type_WindowsPath,
1011         NULL,
1012         NULL
1013     },
1014     { /* 0x25 - CSIDL_SYSTEM */
1015         CSIDL_Type_SystemPath,
1016         NULL,
1017         NULL
1018     },
1019     { /* 0x26 - CSIDL_PROGRAM_FILES */
1020         CSIDL_Type_CurrVer,
1021         ProgramFilesDirW,
1022         MAKEINTRESOURCEW(IDS_PROGRAM_FILES)
1023     },
1024     { /* 0x27 - CSIDL_MYPICTURES */
1025         CSIDL_Type_User,
1026         My_PicturesW,
1027         MAKEINTRESOURCEW(IDS_MYPICTURES)
1028     },
1029     { /* 0x28 - CSIDL_PROFILE */
1030         CSIDL_Type_User,
1031         NULL,
1032         NULL
1033     },
1034     { /* 0x29 - CSIDL_SYSTEMX86 */
1035         CSIDL_Type_SystemX86Path,
1036         NULL,
1037         NULL
1038     },
1039     { /* 0x2a - CSIDL_PROGRAM_FILESX86 */
1040         CSIDL_Type_NonExistent,
1041         NULL,
1042         NULL
1043     },
1044     { /* 0x2b - CSIDL_PROGRAM_FILES_COMMON */
1045         CSIDL_Type_CurrVer,
1046         CommonFilesDirW,
1047         MAKEINTRESOURCEW(IDS_PROGRAM_FILES_COMMON)
1048     },
1049     { /* 0x2c - CSIDL_PROGRAM_FILES_COMMONX86 */
1050         CSIDL_Type_NonExistent,
1051         NULL,
1052         NULL
1053     },
1054     { /* 0x2d - CSIDL_COMMON_TEMPLATES */
1055         CSIDL_Type_AllUsers,
1056         Common_TemplatesW,
1057         MAKEINTRESOURCEW(IDS_TEMPLATES)
1058     },
1059     { /* 0x2e - CSIDL_COMMON_DOCUMENTS */
1060         CSIDL_Type_AllUsers,
1061         Common_DocumentsW,
1062         MAKEINTRESOURCEW(IDS_COMMON_DOCUMENTS)
1063     },
1064     { /* 0x2f - CSIDL_COMMON_ADMINTOOLS */
1065         CSIDL_Type_AllUsers,
1066         Common_Administrative_ToolsW,
1067         MAKEINTRESOURCEW(IDS_ADMINTOOLS)
1068     },
1069     { /* 0x30 - CSIDL_ADMINTOOLS */
1070         CSIDL_Type_User,
1071         Administrative_ToolsW,
1072         MAKEINTRESOURCEW(IDS_ADMINTOOLS)
1073     },
1074     { /* 0x31 - CSIDL_CONNECTIONS */
1075         CSIDL_Type_Disallowed,
1076         NULL,
1077         NULL
1078     },
1079     { /* 0x32 - unassigned */
1080         CSIDL_Type_Disallowed,
1081         NULL,
1082         NULL
1083     },
1084     { /* 0x33 - unassigned */
1085         CSIDL_Type_Disallowed,
1086         NULL,
1087         NULL
1088     },
1089     { /* 0x34 - unassigned */
1090         CSIDL_Type_Disallowed,
1091         NULL,
1092         NULL
1093     },
1094     { /* 0x35 - CSIDL_COMMON_MUSIC */
1095         CSIDL_Type_AllUsers,
1096         CommonMusicW,
1097         MAKEINTRESOURCEW(IDS_COMMON_MUSIC)
1098     },
1099     { /* 0x36 - CSIDL_COMMON_PICTURES */
1100         CSIDL_Type_AllUsers,
1101         CommonPicturesW,
1102         MAKEINTRESOURCEW(IDS_COMMON_PICTURES)
1103     },
1104     { /* 0x37 - CSIDL_COMMON_VIDEO */
1105         CSIDL_Type_AllUsers,
1106         CommonVideoW,
1107         MAKEINTRESOURCEW(IDS_COMMON_VIDEO)
1108     },
1109     { /* 0x38 - CSIDL_RESOURCES */
1110         CSIDL_Type_WindowsPath,
1111         NULL,
1112         ResourcesW
1113     },
1114     { /* 0x39 - CSIDL_RESOURCES_LOCALIZED */
1115         CSIDL_Type_NonExistent,
1116         NULL,
1117         NULL
1118     },
1119     { /* 0x3a - CSIDL_COMMON_OEM_LINKS */
1120         CSIDL_Type_NonExistent,
1121         NULL,
1122         NULL
1123     },
1124     { /* 0x3b - CSIDL_CDBURN_AREA */
1125         CSIDL_Type_User,
1126         CD_BurningW,
1127         MAKEINTRESOURCEW(IDS_CDBURN_AREA)
1128     },
1129     { /* 0x3c unassigned */
1130         CSIDL_Type_Disallowed,
1131         NULL,
1132         NULL
1133     },
1134     { /* 0x3d - CSIDL_COMPUTERSNEARME */
1135         CSIDL_Type_Disallowed, /* FIXME */
1136         NULL,
1137         NULL
1138     },
1139     { /* 0x3e - CSIDL_PROFILES */
1140         CSIDL_Type_Disallowed, /* oddly, this matches WinXP */
1141         NULL,
1142         NULL
1143     }
1144 };
1145
1146 static HRESULT _SHExpandEnvironmentStrings(LPCWSTR szSrc, LPWSTR szDest);
1147
1148 /* Gets the value named value from the registry key
1149  * rootKey\Software\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders
1150  * (or from rootKey\userPrefix\... if userPrefix is not NULL) into path, which
1151  * is assumed to be MAX_PATH WCHARs in length.
1152  * If it exists, expands the value and writes the expanded value to
1153  * rootKey\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders
1154  * Returns successful error code if the value was retrieved from the registry,
1155  * and a failure otherwise.
1156  */
1157 static HRESULT _SHGetUserShellFolderPath(HKEY rootKey, LPCWSTR userPrefix,
1158  LPCWSTR value, LPWSTR path)
1159 {
1160     HRESULT hr;
1161     WCHAR shellFolderPath[MAX_PATH], userShellFolderPath[MAX_PATH];
1162     LPCWSTR pShellFolderPath, pUserShellFolderPath;
1163     DWORD dwType, dwPathLen = MAX_PATH;
1164     HKEY userShellFolderKey, shellFolderKey;
1165
1166     TRACE("%p,%s,%s,%p\n",rootKey, debugstr_w(userPrefix), debugstr_w(value),
1167      path);
1168
1169     if (userPrefix)
1170     {
1171         strcpyW(shellFolderPath, userPrefix);
1172         PathAddBackslashW(shellFolderPath);
1173         strcatW(shellFolderPath, szSHFolders);
1174         pShellFolderPath = shellFolderPath;
1175         strcpyW(userShellFolderPath, userPrefix);
1176         PathAddBackslashW(userShellFolderPath);
1177         strcatW(userShellFolderPath, szSHUserFolders);
1178         pUserShellFolderPath = userShellFolderPath;
1179     }
1180     else
1181     {
1182         pUserShellFolderPath = szSHUserFolders;
1183         pShellFolderPath = szSHFolders;
1184     }
1185
1186     if (RegCreateKeyW(rootKey, pShellFolderPath, &shellFolderKey))
1187     {
1188         TRACE("Failed to create %s\n", debugstr_w(pShellFolderPath));
1189         return E_FAIL;
1190     }
1191     if (RegCreateKeyW(rootKey, pUserShellFolderPath, &userShellFolderKey))
1192     {
1193         TRACE("Failed to create %s\n",
1194          debugstr_w(pUserShellFolderPath));
1195         RegCloseKey(shellFolderKey);
1196         return E_FAIL;
1197     }
1198
1199     if (!RegQueryValueExW(userShellFolderKey, value, NULL, &dwType,
1200      (LPBYTE)path, &dwPathLen) && (dwType == REG_EXPAND_SZ || dwType == REG_SZ))
1201     {
1202         LONG ret;
1203
1204         path[dwPathLen / sizeof(WCHAR)] = '\0';
1205         if (dwType == REG_EXPAND_SZ && path[0] == '%')
1206         {
1207             WCHAR szTemp[MAX_PATH];
1208
1209             _SHExpandEnvironmentStrings(path, szTemp);
1210             lstrcpynW(path, szTemp, MAX_PATH);
1211         }
1212         ret = RegSetValueExW(shellFolderKey, value, 0, REG_SZ, (LPBYTE)path,
1213          (strlenW(path) + 1) * sizeof(WCHAR));
1214         if (ret != ERROR_SUCCESS)
1215             hr = HRESULT_FROM_WIN32(ret);
1216         else
1217             hr = S_OK;
1218     }
1219     else
1220         hr = E_FAIL;
1221     RegCloseKey(shellFolderKey);
1222     RegCloseKey(userShellFolderKey);
1223     TRACE("returning 0x%08x\n", hr);
1224     return hr;
1225 }
1226
1227 /* Gets a 'semi-expanded' default value of the CSIDL with index folder into
1228  * pszPath, based on the entries in CSIDL_Data.  By semi-expanded, I mean:
1229  * - The entry's szDefaultPath may be either a string value or an integer
1230  *   resource identifier.  In the latter case, the string value of the resource
1231  *   is written.
1232  * - Depending on the entry's type, the path may begin with an (unexpanded)
1233  *   environment variable name.  The caller is responsible for expanding
1234  *   environment strings if so desired.
1235  *   The types that are prepended with environment variables are:
1236  *   CSIDL_Type_User:     %USERPROFILE%
1237  *   CSIDL_Type_AllUsers: %ALLUSERSPROFILE%
1238  *   CSIDL_Type_CurrVer:  %SystemDrive%
1239  *   (Others might make sense too, but as yet are unneeded.)
1240  */
1241 static HRESULT _SHGetDefaultValue(BYTE folder, LPWSTR pszPath)
1242 {
1243     HRESULT hr;
1244     WCHAR resourcePath[MAX_PATH];
1245     LPCWSTR pDefaultPath = NULL;
1246
1247     TRACE("0x%02x,%p\n", folder, pszPath);
1248
1249     if (folder >= sizeof(CSIDL_Data) / sizeof(CSIDL_Data[0]))
1250         return E_INVALIDARG;
1251     if (!pszPath)
1252         return E_INVALIDARG;
1253
1254     if (CSIDL_Data[folder].szDefaultPath &&
1255      IS_INTRESOURCE(CSIDL_Data[folder].szDefaultPath))
1256     {
1257         if (LoadStringW(shell32_hInstance,
1258          LOWORD(CSIDL_Data[folder].szDefaultPath), resourcePath, MAX_PATH))
1259         {
1260             hr = S_OK;
1261             pDefaultPath = resourcePath;
1262         }
1263         else
1264         {
1265             FIXME("(%d,%s), LoadString failed, missing translation?\n", folder,
1266              debugstr_w(pszPath));
1267             hr = E_FAIL;
1268         }
1269     }
1270     else
1271     {
1272         hr = S_OK;
1273         pDefaultPath = CSIDL_Data[folder].szDefaultPath;
1274     }
1275     if (SUCCEEDED(hr))
1276     {
1277         switch (CSIDL_Data[folder].type)
1278         {
1279             case CSIDL_Type_User:
1280                 strcpyW(pszPath, UserProfileW);
1281                 break;
1282             case CSIDL_Type_AllUsers:
1283                 strcpyW(pszPath, AllUsersProfileW);
1284                 break;
1285             case CSIDL_Type_CurrVer:
1286                 strcpyW(pszPath, SystemDriveW);
1287                 break;
1288             default:
1289                 ; /* no corresponding env. var, do nothing */
1290         }
1291         if (pDefaultPath)
1292         {
1293             PathAddBackslashW(pszPath);
1294             strcatW(pszPath, pDefaultPath);
1295         }
1296     }
1297     TRACE("returning 0x%08x\n", hr);
1298     return hr;
1299 }
1300
1301 /* Gets the (unexpanded) value of the folder with index folder into pszPath.
1302  * The folder's type is assumed to be CSIDL_Type_CurrVer.  Its default value
1303  * can be overridden in the HKLM\\szCurrentVersion key.
1304  * If dwFlags has SHGFP_TYPE_DEFAULT set or if the value isn't overridden in
1305  * the registry, uses _SHGetDefaultValue to get the value.
1306  */
1307 static HRESULT _SHGetCurrentVersionPath(DWORD dwFlags, BYTE folder,
1308  LPWSTR pszPath)
1309 {
1310     HRESULT hr;
1311
1312     TRACE("0x%08x,0x%02x,%p\n", dwFlags, folder, pszPath);
1313
1314     if (folder >= sizeof(CSIDL_Data) / sizeof(CSIDL_Data[0]))
1315         return E_INVALIDARG;
1316     if (CSIDL_Data[folder].type != CSIDL_Type_CurrVer)
1317         return E_INVALIDARG;
1318     if (!pszPath)
1319         return E_INVALIDARG;
1320
1321     if (dwFlags & SHGFP_TYPE_DEFAULT)
1322         hr = _SHGetDefaultValue(folder, pszPath);
1323     else
1324     {
1325         HKEY hKey;
1326
1327         if (RegCreateKeyW(HKEY_LOCAL_MACHINE, szCurrentVersion, &hKey))
1328             hr = E_FAIL;
1329         else
1330         {
1331             DWORD dwType, dwPathLen = MAX_PATH * sizeof(WCHAR);
1332
1333             if (RegQueryValueExW(hKey, CSIDL_Data[folder].szValueName, NULL,
1334              &dwType, (LPBYTE)pszPath, &dwPathLen) ||
1335              (dwType != REG_SZ && dwType != REG_EXPAND_SZ))
1336             {
1337                 hr = _SHGetDefaultValue(folder, pszPath);
1338                 dwType = REG_EXPAND_SZ;
1339                 RegSetValueExW(hKey, CSIDL_Data[folder].szValueName, 0, dwType,
1340                  (LPBYTE)pszPath, (strlenW(pszPath)+1)*sizeof(WCHAR));
1341             }
1342             else
1343             {
1344                 pszPath[dwPathLen / sizeof(WCHAR)] = '\0';
1345                 hr = S_OK;
1346             }
1347             RegCloseKey(hKey);
1348         }
1349     }
1350     TRACE("returning 0x%08x (output path is %s)\n", hr, debugstr_w(pszPath));
1351     return hr;
1352 }
1353
1354 static LPWSTR _GetUserSidStringFromToken(HANDLE Token)
1355 {
1356     char InfoBuffer[64];
1357     PTOKEN_USER UserInfo;
1358     DWORD InfoSize;
1359     LPWSTR SidStr;
1360
1361     UserInfo = (PTOKEN_USER) InfoBuffer;
1362     if (! GetTokenInformation(Token, TokenUser, InfoBuffer, sizeof(InfoBuffer),
1363                               &InfoSize))
1364     {
1365         if (GetLastError() != ERROR_INSUFFICIENT_BUFFER)
1366             return NULL;
1367         UserInfo = HeapAlloc(GetProcessHeap(), 0, InfoSize);
1368         if (UserInfo == NULL)
1369             return NULL;
1370         if (! GetTokenInformation(Token, TokenUser, UserInfo, InfoSize,
1371                                   &InfoSize))
1372         {
1373             HeapFree(GetProcessHeap(), 0, UserInfo);
1374             return NULL;
1375         }
1376     }
1377
1378     if (! ConvertSidToStringSidW(UserInfo->User.Sid, &SidStr))
1379         SidStr = NULL;
1380
1381     if (UserInfo != (PTOKEN_USER) InfoBuffer)
1382         HeapFree(GetProcessHeap(), 0, UserInfo);
1383
1384     return SidStr;
1385 }
1386
1387 /* Gets the user's path (unexpanded) for the CSIDL with index folder:
1388  * If SHGFP_TYPE_DEFAULT is set, calls _SHGetDefaultValue for it.  Otherwise
1389  * calls _SHGetUserShellFolderPath for it.  Where it looks depends on hToken:
1390  * - if hToken is -1, looks in HKEY_USERS\.Default
1391  * - otherwise looks first in HKEY_CURRENT_USER, followed by HKEY_LOCAL_MACHINE
1392  *   if HKEY_CURRENT_USER doesn't contain any entries.  If both fail, finally
1393  *   calls _SHGetDefaultValue for it.
1394  */
1395 static HRESULT _SHGetUserProfilePath(HANDLE hToken, DWORD dwFlags, BYTE folder,
1396  LPWSTR pszPath)
1397 {
1398     HRESULT hr;
1399
1400     TRACE("%p,0x%08x,0x%02x,%p\n", hToken, dwFlags, folder, pszPath);
1401
1402     if (folder >= sizeof(CSIDL_Data) / sizeof(CSIDL_Data[0]))
1403         return E_INVALIDARG;
1404     if (CSIDL_Data[folder].type != CSIDL_Type_User)
1405         return E_INVALIDARG;
1406     if (!pszPath)
1407         return E_INVALIDARG;
1408
1409     if (dwFlags & SHGFP_TYPE_DEFAULT)
1410     {
1411         if (hToken != NULL && hToken != (HANDLE)-1)
1412         {
1413             FIXME("unsupported for user other than current or default\n");
1414             return E_FAIL;
1415         }
1416         hr = _SHGetDefaultValue(folder, pszPath);
1417     }
1418     else
1419     {
1420         LPCWSTR userPrefix = NULL;
1421         HKEY hRootKey;
1422
1423         if (hToken == (HANDLE)-1)
1424         {
1425             hRootKey = HKEY_USERS;
1426             userPrefix = DefaultW;
1427         }
1428         else if (hToken == NULL)
1429             hRootKey = HKEY_CURRENT_USER;
1430         else
1431         {
1432             hRootKey = HKEY_USERS;
1433             userPrefix = _GetUserSidStringFromToken(hToken);
1434             if (userPrefix == NULL)
1435             {
1436                 hr = E_FAIL;
1437                 goto error;
1438             }
1439         }
1440         hr = _SHGetUserShellFolderPath(hRootKey, userPrefix,
1441          CSIDL_Data[folder].szValueName, pszPath);
1442         if (FAILED(hr) && hRootKey != HKEY_LOCAL_MACHINE)
1443             hr = _SHGetUserShellFolderPath(HKEY_LOCAL_MACHINE, NULL,
1444              CSIDL_Data[folder].szValueName, pszPath);
1445         if (FAILED(hr))
1446             hr = _SHGetDefaultValue(folder, pszPath);
1447         if (userPrefix != NULL && userPrefix != DefaultW)
1448             LocalFree((HLOCAL) userPrefix);
1449     }
1450 error:
1451     TRACE("returning 0x%08x (output path is %s)\n", hr, debugstr_w(pszPath));
1452     return hr;
1453 }
1454
1455 /* Gets the (unexpanded) path for the CSIDL with index folder.  If dwFlags has
1456  * SHGFP_TYPE_DEFAULT set, calls _SHGetDefaultValue.  Otherwise calls
1457  * _SHGetUserShellFolderPath for it, looking only in HKEY_LOCAL_MACHINE.
1458  * If this fails, falls back to _SHGetDefaultValue.
1459  */
1460 static HRESULT _SHGetAllUsersProfilePath(DWORD dwFlags, BYTE folder,
1461  LPWSTR pszPath)
1462 {
1463     HRESULT hr;
1464
1465     TRACE("0x%08x,0x%02x,%p\n", dwFlags, folder, pszPath);
1466
1467     if (folder >= sizeof(CSIDL_Data) / sizeof(CSIDL_Data[0]))
1468         return E_INVALIDARG;
1469     if (CSIDL_Data[folder].type != CSIDL_Type_AllUsers)
1470         return E_INVALIDARG;
1471     if (!pszPath)
1472         return E_INVALIDARG;
1473
1474     if (dwFlags & SHGFP_TYPE_DEFAULT)
1475         hr = _SHGetDefaultValue(folder, pszPath);
1476     else
1477     {
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%08x (output path is %s)\n", hr, debugstr_w(pszPath));
1484     return hr;
1485 }
1486
1487 static HRESULT _SHOpenProfilesKey(PHKEY pKey)
1488 {
1489     LONG lRet;
1490     DWORD disp;
1491
1492     lRet = RegCreateKeyExW(HKEY_LOCAL_MACHINE, ProfileListW, 0, NULL, 0,
1493      KEY_ALL_ACCESS, NULL, pKey, &disp);
1494     return HRESULT_FROM_WIN32(lRet);
1495 }
1496
1497 /* Reads the value named szValueName from the key profilesKey (assumed to be
1498  * opened by _SHOpenProfilesKey) into szValue, which is assumed to be MAX_PATH
1499  * WCHARs in length.  If it doesn't exist, returns szDefault (and saves
1500  * szDefault to the registry).
1501  */
1502 static HRESULT _SHGetProfilesValue(HKEY profilesKey, LPCWSTR szValueName,
1503  LPWSTR szValue, LPCWSTR szDefault)
1504 {
1505     HRESULT hr;
1506     DWORD type, dwPathLen = MAX_PATH * sizeof(WCHAR);
1507     LONG lRet;
1508
1509     TRACE("%p,%s,%p,%s\n", profilesKey, debugstr_w(szValueName), szValue,
1510      debugstr_w(szDefault));
1511     lRet = RegQueryValueExW(profilesKey, szValueName, NULL, &type,
1512      (LPBYTE)szValue, &dwPathLen);
1513     if (!lRet && (type == REG_SZ || type == REG_EXPAND_SZ) && dwPathLen
1514      && *szValue)
1515     {
1516         dwPathLen /= sizeof(WCHAR);
1517         szValue[dwPathLen] = '\0';
1518         hr = S_OK;
1519     }
1520     else
1521     {
1522         /* Missing or invalid value, set a default */
1523         lstrcpynW(szValue, szDefault, MAX_PATH);
1524         TRACE("Setting missing value %s to %s\n", debugstr_w(szValueName),
1525                                                   debugstr_w(szValue));
1526         lRet = RegSetValueExW(profilesKey, szValueName, 0, REG_EXPAND_SZ,
1527                               (LPBYTE)szValue,
1528                               (strlenW(szValue) + 1) * sizeof(WCHAR));
1529         if (lRet)
1530             hr = HRESULT_FROM_WIN32(lRet);
1531         else
1532             hr = S_OK;
1533     }
1534     TRACE("returning 0x%08x (output value is %s)\n", hr, debugstr_w(szValue));
1535     return hr;
1536 }
1537
1538 /* Attempts to expand environment variables from szSrc into szDest, which is
1539  * assumed to be MAX_PATH characters in length.  Before referring to the
1540  * environment, handles a few variables directly, because the environment
1541  * variables may not be set when this is called (as during Wine's installation
1542  * when default values are being written to the registry).
1543  * The directly handled environment variables, and their source, are:
1544  * - ALLUSERSPROFILE, USERPROFILE: reads from the registry
1545  * - SystemDrive: uses GetSystemDirectoryW and uses the drive portion of its
1546  *   path
1547  * If one of the directly handled environment variables is expanded, only
1548  * expands a single variable, and only in the beginning of szSrc.
1549  */
1550 static HRESULT _SHExpandEnvironmentStrings(LPCWSTR szSrc, LPWSTR szDest)
1551 {
1552     HRESULT hr;
1553     WCHAR szTemp[MAX_PATH], szProfilesPrefix[MAX_PATH] = { 0 };
1554     HKEY key = NULL;
1555
1556     TRACE("%s, %p\n", debugstr_w(szSrc), szDest);
1557
1558     if (!szSrc || !szDest) return E_INVALIDARG;
1559
1560     /* short-circuit if there's nothing to expand */
1561     if (szSrc[0] != '%')
1562     {
1563         strcpyW(szDest, szSrc);
1564         hr = S_OK;
1565         goto end;
1566     }
1567     /* Get the profile prefix, we'll probably be needing it */
1568     hr = _SHOpenProfilesKey(&key);
1569     if (SUCCEEDED(hr))
1570     {
1571         WCHAR def_val[MAX_PATH];
1572
1573         /* get the system drive */
1574         GetSystemDirectoryW(def_val, MAX_PATH);
1575         if (def_val[1] == ':') strcpyW( def_val + 3, szDefaultProfileDirW );
1576         else FIXME("non-drive system paths unsupported\n");
1577
1578         hr = _SHGetProfilesValue(key, ProfilesDirectoryW, szProfilesPrefix, def_val );
1579     }
1580
1581     *szDest = 0;
1582     strcpyW(szTemp, szSrc);
1583     while (SUCCEEDED(hr) && szTemp[0] == '%')
1584     {
1585         if (!strncmpiW(szTemp, AllUsersProfileW, strlenW(AllUsersProfileW)))
1586         {
1587             WCHAR szAllUsers[MAX_PATH];
1588
1589             strcpyW(szDest, szProfilesPrefix);
1590             hr = _SHGetProfilesValue(key, AllUsersProfileValueW,
1591              szAllUsers, AllUsersW);
1592             PathAppendW(szDest, szAllUsers);
1593             PathAppendW(szDest, szTemp + strlenW(AllUsersProfileW));
1594         }
1595         else if (!strncmpiW(szTemp, UserProfileW, strlenW(UserProfileW)))
1596         {
1597             WCHAR userName[MAX_PATH];
1598             DWORD userLen = MAX_PATH;
1599
1600             strcpyW(szDest, szProfilesPrefix);
1601             GetUserNameW(userName, &userLen);
1602             PathAppendW(szDest, userName);
1603             PathAppendW(szDest, szTemp + strlenW(UserProfileW));
1604         }
1605         else if (!strncmpiW(szTemp, SystemDriveW, strlenW(SystemDriveW)))
1606         {
1607             GetSystemDirectoryW(szDest, MAX_PATH);
1608             if (szDest[1] != ':')
1609             {
1610                 FIXME("non-drive system paths unsupported\n");
1611                 hr = E_FAIL;
1612             }
1613             else
1614             {
1615                 strcpyW(szDest + 3, szTemp + strlenW(SystemDriveW) + 1);
1616                 hr = S_OK;
1617             }
1618         }
1619         else
1620         {
1621             DWORD ret = ExpandEnvironmentStringsW(szSrc, szDest, MAX_PATH);
1622
1623             if (ret > MAX_PATH)
1624                 hr = HRESULT_FROM_WIN32(ERROR_INSUFFICIENT_BUFFER);
1625             else if (ret == 0)
1626                 hr = HRESULT_FROM_WIN32(GetLastError());
1627             else
1628                 hr = S_OK;
1629         }
1630         if (SUCCEEDED(hr) && szDest[0] == '%')
1631             strcpyW(szTemp, szDest);
1632         else
1633         {
1634             /* terminate loop */
1635             szTemp[0] = '\0';
1636         }
1637     }
1638 end:
1639     if (key)
1640         RegCloseKey(key);
1641     TRACE("returning 0x%08x (input was %s, output is %s)\n", hr,
1642      debugstr_w(szSrc), debugstr_w(szDest));
1643     return hr;
1644 }
1645
1646 /*************************************************************************
1647  * SHGetFolderPathW                     [SHELL32.@]
1648  *
1649  * Convert nFolder to path.  
1650  *
1651  * RETURNS
1652  *  Success: S_OK
1653  *  Failure: standard HRESULT error codes.
1654  *
1655  * NOTES
1656  * Most values can be overridden in either
1657  * HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders
1658  * or in the same location in HKLM.
1659  * The "Shell Folders" registry key was used in NT4 and earlier systems.
1660  * Beginning with Windows 2000, the "User Shell Folders" key is used, so
1661  * changes made to it are made to the former key too.  This synchronization is
1662  * done on-demand: not until someone requests the value of one of these paths
1663  * (by calling one of the SHGet functions) is the value synchronized.
1664  * Furthermore, the HKCU paths take precedence over the HKLM paths.
1665  */
1666 HRESULT WINAPI SHGetFolderPathW(
1667         HWND hwndOwner,    /* [I] owner window */
1668         int nFolder,       /* [I] CSIDL identifying the folder */
1669         HANDLE hToken,     /* [I] access token */
1670         DWORD dwFlags,     /* [I] which path to return */
1671         LPWSTR pszPath)    /* [O] converted path */
1672 {
1673     HRESULT hr =  SHGetFolderPathAndSubDirW(hwndOwner, nFolder, hToken, dwFlags, NULL, pszPath);
1674     if(HRESULT_FROM_WIN32(ERROR_PATH_NOT_FOUND) == hr)
1675         hr = HRESULT_FROM_WIN32(ERROR_FILE_NOT_FOUND);
1676     return hr;
1677 }
1678
1679 HRESULT WINAPI SHGetFolderPathAndSubDirA(
1680         HWND hwndOwner,    /* [I] owner window */
1681         int nFolder,       /* [I] CSIDL identifying the folder */
1682         HANDLE hToken,     /* [I] access token */
1683         DWORD dwFlags,     /* [I] which path to return */
1684         LPCSTR pszSubPath, /* [I] sub directory of the specified folder */
1685         LPSTR pszPath)     /* [O] converted path */
1686 {
1687     int length;
1688     HRESULT hr = S_OK;
1689     LPWSTR pszSubPathW = NULL;
1690     LPWSTR pszPathW = NULL;
1691     TRACE("%08x,%08x,%s\n",nFolder, dwFlags, debugstr_w(pszSubPathW));
1692
1693     if(pszPath) {
1694         pszPathW = HeapAlloc(GetProcessHeap(), 0, MAX_PATH * sizeof(WCHAR));
1695         if(!pszPathW) {
1696             hr = HRESULT_FROM_WIN32(ERROR_NOT_ENOUGH_MEMORY);
1697             goto cleanup;
1698         }
1699     }
1700     TRACE("%08x,%08x,%s\n",nFolder, dwFlags, debugstr_w(pszSubPathW));
1701
1702     /* SHGetFolderPathAndSubDirW does not distinguish if pszSubPath isn't
1703      * set (null), or an empty string.therefore call it without the parameter set
1704      * if pszSubPath is an empty string
1705      */
1706     if (pszSubPath && pszSubPath[0]) {
1707         length = MultiByteToWideChar(CP_ACP, 0, pszSubPath, -1, NULL, 0);
1708         pszSubPathW = HeapAlloc(GetProcessHeap(), 0, length * sizeof(WCHAR));
1709         if(!pszSubPathW) {
1710             hr = HRESULT_FROM_WIN32(ERROR_NOT_ENOUGH_MEMORY);
1711             goto cleanup;
1712         }
1713         MultiByteToWideChar(CP_ACP, 0, pszSubPath, -1, pszSubPathW, length);
1714     }
1715
1716     hr = SHGetFolderPathAndSubDirW(hwndOwner, nFolder, hToken, dwFlags, pszSubPathW, pszPathW);
1717
1718     if (SUCCEEDED(hr) && pszPath)
1719         WideCharToMultiByte(CP_ACP, 0, pszPathW, -1, pszPath, MAX_PATH, NULL, NULL);
1720
1721 cleanup:
1722     HeapFree(GetProcessHeap(), 0, pszPathW);
1723     HeapFree(GetProcessHeap(), 0, pszSubPathW);
1724     return hr;
1725 }
1726
1727 /*************************************************************************
1728  * SHGetFolderPathAndSubDirW            [SHELL32.@]
1729  */
1730 HRESULT WINAPI SHGetFolderPathAndSubDirW(
1731         HWND hwndOwner,    /* [I] owner window */
1732         int nFolder,       /* [I] CSIDL identifying the folder */
1733         HANDLE hToken,     /* [I] access token */
1734         DWORD dwFlags,     /* [I] which path to return */
1735         LPCWSTR pszSubPath,/* [I] sub directory of the specified folder */
1736         LPWSTR pszPath)    /* [O] converted path */
1737 {
1738     HRESULT    hr;
1739     WCHAR      szBuildPath[MAX_PATH], szTemp[MAX_PATH];
1740     DWORD      folder = nFolder & CSIDL_FOLDER_MASK;
1741     CSIDL_Type type;
1742     int        ret;
1743     
1744     TRACE("%p,%p,nFolder=0x%04x,%s\n", hwndOwner,pszPath,nFolder,debugstr_w(pszSubPath));
1745
1746     /* Windows always NULL-terminates the resulting path regardless of success
1747      * or failure, so do so first
1748      */
1749     if (pszPath)
1750         *pszPath = '\0';
1751
1752     if (folder >= sizeof(CSIDL_Data) / sizeof(CSIDL_Data[0]))
1753         return E_INVALIDARG;
1754     if ((SHGFP_TYPE_CURRENT != dwFlags) && (SHGFP_TYPE_DEFAULT != dwFlags))
1755         return E_INVALIDARG;
1756     szTemp[0] = 0;
1757     type = CSIDL_Data[folder].type;
1758     switch (type)
1759     {
1760         case CSIDL_Type_Disallowed:
1761             hr = E_INVALIDARG;
1762             break;
1763         case CSIDL_Type_NonExistent:
1764             hr = S_FALSE;
1765             break;
1766         case CSIDL_Type_WindowsPath:
1767             GetWindowsDirectoryW(szTemp, MAX_PATH);
1768             if (CSIDL_Data[folder].szDefaultPath &&
1769              !IS_INTRESOURCE(CSIDL_Data[folder].szDefaultPath) &&
1770              *CSIDL_Data[folder].szDefaultPath)
1771             {
1772                 PathAddBackslashW(szTemp);
1773                 strcatW(szTemp, CSIDL_Data[folder].szDefaultPath);
1774             }
1775             hr = S_OK;
1776             break;
1777         case CSIDL_Type_SystemPath:
1778             GetSystemDirectoryW(szTemp, MAX_PATH);
1779             if (CSIDL_Data[folder].szDefaultPath &&
1780              !IS_INTRESOURCE(CSIDL_Data[folder].szDefaultPath) &&
1781              *CSIDL_Data[folder].szDefaultPath)
1782             {
1783                 PathAddBackslashW(szTemp);
1784                 strcatW(szTemp, CSIDL_Data[folder].szDefaultPath);
1785             }
1786             hr = S_OK;
1787             break;
1788         case CSIDL_Type_SystemX86Path:
1789             if (!GetSystemWow64DirectoryW(szTemp, MAX_PATH)) GetSystemDirectoryW(szTemp, MAX_PATH);
1790             if (CSIDL_Data[folder].szDefaultPath &&
1791              !IS_INTRESOURCE(CSIDL_Data[folder].szDefaultPath) &&
1792              *CSIDL_Data[folder].szDefaultPath)
1793             {
1794                 PathAddBackslashW(szTemp);
1795                 strcatW(szTemp, CSIDL_Data[folder].szDefaultPath);
1796             }
1797             hr = S_OK;
1798             break;
1799         case CSIDL_Type_CurrVer:
1800             hr = _SHGetCurrentVersionPath(dwFlags, folder, szTemp);
1801             break;
1802         case CSIDL_Type_User:
1803             hr = _SHGetUserProfilePath(hToken, dwFlags, folder, szTemp);
1804             break;
1805         case CSIDL_Type_AllUsers:
1806             hr = _SHGetAllUsersProfilePath(dwFlags, folder, szTemp);
1807             break;
1808         default:
1809             FIXME("bogus type %d, please fix\n", type);
1810             hr = E_INVALIDARG;
1811             break;
1812     }
1813
1814     /* Expand environment strings if necessary */
1815     if (*szTemp == '%')
1816         hr = _SHExpandEnvironmentStrings(szTemp, szBuildPath);
1817     else
1818         strcpyW(szBuildPath, szTemp);
1819
1820     if (FAILED(hr)) goto end;
1821
1822     if(pszSubPath) {
1823         /* make sure the new path does not exceed th bufferlength
1824          * rememebr to backslash and the termination */
1825         if(MAX_PATH < (lstrlenW(szBuildPath) + lstrlenW(pszSubPath) + 2)) {
1826             hr = HRESULT_FROM_WIN32(ERROR_FILENAME_EXCED_RANGE);
1827             goto end;
1828         }
1829         PathAppendW(szBuildPath, pszSubPath);
1830         PathRemoveBackslashW(szBuildPath);
1831     }
1832     /* Copy the path if it's available before we might return */
1833     if (SUCCEEDED(hr) && pszPath)
1834         strcpyW(pszPath, szBuildPath);
1835
1836     /* if we don't care about existing directories we are ready */
1837     if(nFolder & CSIDL_FLAG_DONT_VERIFY) goto end;
1838
1839     if (PathFileExistsW(szBuildPath)) goto end;
1840
1841     /* not existing but we are not allowed to create it.  The return value
1842      * is verified against shell32 version 6.0.
1843      */
1844     if (!(nFolder & CSIDL_FLAG_CREATE))
1845     {
1846         hr = HRESULT_FROM_WIN32(ERROR_PATH_NOT_FOUND);
1847         goto end;
1848     }
1849
1850     /* create directory/directories */
1851     ret = SHCreateDirectoryExW(hwndOwner, szBuildPath, NULL);
1852     if (ret && ret != ERROR_ALREADY_EXISTS)
1853     {
1854         ERR("Failed to create directory %s.\n", debugstr_w(szBuildPath));
1855         hr = E_FAIL;
1856         goto end;
1857     }
1858
1859     TRACE("Created missing system directory %s\n", debugstr_w(szBuildPath));
1860 end:
1861     TRACE("returning 0x%08x (final path is %s)\n", hr, debugstr_w(szBuildPath));
1862     return hr;
1863 }
1864
1865 /*************************************************************************
1866  * SHGetFolderPathA                     [SHELL32.@]
1867  *
1868  * See SHGetFolderPathW.
1869  */
1870 HRESULT WINAPI SHGetFolderPathA(
1871         HWND hwndOwner,
1872         int nFolder,
1873         HANDLE hToken,
1874         DWORD dwFlags,
1875         LPSTR pszPath)
1876 {
1877     WCHAR szTemp[MAX_PATH];
1878     HRESULT hr;
1879
1880     TRACE("%p,%p,nFolder=0x%04x\n",hwndOwner,pszPath,nFolder);
1881
1882     if (pszPath)
1883         *pszPath = '\0';
1884     hr = SHGetFolderPathW(hwndOwner, nFolder, hToken, dwFlags, szTemp);
1885     if (SUCCEEDED(hr) && pszPath)
1886         WideCharToMultiByte(CP_ACP, 0, szTemp, -1, pszPath, MAX_PATH, NULL,
1887          NULL);
1888
1889     return hr;
1890 }
1891
1892 /* For each folder in folders, if its value has not been set in the registry,
1893  * calls _SHGetUserProfilePath or _SHGetAllUsersProfilePath (depending on the
1894  * folder's type) to get the unexpanded value first.
1895  * Writes the unexpanded value to User Shell Folders, and queries it with
1896  * SHGetFolderPathW to force the creation of the directory if it doesn't
1897  * already exist.  SHGetFolderPathW also returns the expanded value, which
1898  * this then writes to Shell Folders.
1899  */
1900 static HRESULT _SHRegisterFolders(HKEY hRootKey, HANDLE hToken,
1901  LPCWSTR szUserShellFolderPath, LPCWSTR szShellFolderPath, const UINT folders[],
1902  UINT foldersLen)
1903 {
1904     UINT i;
1905     WCHAR path[MAX_PATH];
1906     HRESULT hr = S_OK;
1907     HKEY hUserKey = NULL, hKey = NULL;
1908     DWORD dwType, dwPathLen;
1909     LONG ret;
1910
1911     TRACE("%p,%p,%s,%p,%u\n", hRootKey, hToken,
1912      debugstr_w(szUserShellFolderPath), folders, foldersLen);
1913
1914     ret = RegCreateKeyW(hRootKey, szUserShellFolderPath, &hUserKey);
1915     if (ret)
1916         hr = HRESULT_FROM_WIN32(ret);
1917     else
1918     {
1919         ret = RegCreateKeyW(hRootKey, szShellFolderPath, &hKey);
1920         if (ret)
1921             hr = HRESULT_FROM_WIN32(ret);
1922     }
1923     for (i = 0; SUCCEEDED(hr) && i < foldersLen; i++)
1924     {
1925         dwPathLen = MAX_PATH * sizeof(WCHAR);
1926         if (RegQueryValueExW(hUserKey, CSIDL_Data[folders[i]].szValueName, NULL,
1927          &dwType, (LPBYTE)path, &dwPathLen) || (dwType != REG_SZ &&
1928          dwType != REG_EXPAND_SZ))
1929         {
1930             *path = '\0';
1931             if (CSIDL_Data[folders[i]].type == CSIDL_Type_User)
1932                 _SHGetUserProfilePath(hToken, SHGFP_TYPE_DEFAULT, folders[i],
1933                  path);
1934             else if (CSIDL_Data[folders[i]].type == CSIDL_Type_AllUsers)
1935                 _SHGetAllUsersProfilePath(SHGFP_TYPE_DEFAULT, folders[i], path);
1936             else if (CSIDL_Data[folders[i]].type == CSIDL_Type_WindowsPath)
1937             {
1938                 GetWindowsDirectoryW(path, MAX_PATH);
1939                 if (CSIDL_Data[folders[i]].szDefaultPath &&
1940                     !IS_INTRESOURCE(CSIDL_Data[folders[i]].szDefaultPath))
1941                 {
1942                     PathAddBackslashW(path);
1943                     strcatW(path, CSIDL_Data[folders[i]].szDefaultPath);
1944                 }
1945             }
1946             else
1947                 hr = E_FAIL;
1948             if (*path)
1949             {
1950                 ret = RegSetValueExW(hUserKey,
1951                  CSIDL_Data[folders[i]].szValueName, 0, REG_EXPAND_SZ,
1952                  (LPBYTE)path, (strlenW(path) + 1) * sizeof(WCHAR));
1953                 if (ret)
1954                     hr = HRESULT_FROM_WIN32(ret);
1955                 else
1956                 {
1957                     hr = SHGetFolderPathW(NULL, folders[i] | CSIDL_FLAG_CREATE,
1958                      hToken, SHGFP_TYPE_DEFAULT, path);
1959                     ret = RegSetValueExW(hKey,
1960                      CSIDL_Data[folders[i]].szValueName, 0, REG_SZ,
1961                      (LPBYTE)path, (strlenW(path) + 1) * sizeof(WCHAR));
1962                     if (ret)
1963                         hr = HRESULT_FROM_WIN32(ret);
1964                 }
1965             }
1966         }
1967     }
1968     if (hUserKey)
1969         RegCloseKey(hUserKey);
1970     if (hKey)
1971         RegCloseKey(hKey);
1972
1973     TRACE("returning 0x%08x\n", hr);
1974     return hr;
1975 }
1976
1977 static HRESULT _SHRegisterUserShellFolders(BOOL bDefault)
1978 {
1979     static const UINT folders[] = {
1980      CSIDL_PROGRAMS,
1981      CSIDL_PERSONAL,
1982      CSIDL_FAVORITES,
1983      CSIDL_APPDATA,
1984      CSIDL_STARTUP,
1985      CSIDL_RECENT,
1986      CSIDL_SENDTO,
1987      CSIDL_STARTMENU,
1988      CSIDL_MYMUSIC,
1989      CSIDL_MYVIDEO,
1990      CSIDL_DESKTOPDIRECTORY,
1991      CSIDL_NETHOOD,
1992      CSIDL_TEMPLATES,
1993      CSIDL_PRINTHOOD,
1994      CSIDL_LOCAL_APPDATA,
1995      CSIDL_INTERNET_CACHE,
1996      CSIDL_COOKIES,
1997      CSIDL_HISTORY,
1998      CSIDL_MYPICTURES,
1999      CSIDL_FONTS
2000     };
2001     WCHAR userShellFolderPath[MAX_PATH], shellFolderPath[MAX_PATH];
2002     LPCWSTR pUserShellFolderPath, pShellFolderPath;
2003     HRESULT hr = S_OK;
2004     HKEY hRootKey;
2005     HANDLE hToken;
2006
2007     TRACE("%s\n", bDefault ? "TRUE" : "FALSE");
2008     if (bDefault)
2009     {
2010         hToken = (HANDLE)-1;
2011         hRootKey = HKEY_USERS;
2012         strcpyW(userShellFolderPath, DefaultW);
2013         PathAddBackslashW(userShellFolderPath);
2014         strcatW(userShellFolderPath, szSHUserFolders);
2015         pUserShellFolderPath = userShellFolderPath;
2016         strcpyW(shellFolderPath, DefaultW);
2017         PathAddBackslashW(shellFolderPath);
2018         strcatW(shellFolderPath, szSHFolders);
2019         pShellFolderPath = shellFolderPath;
2020     }
2021     else
2022     {
2023         hToken = NULL;
2024         hRootKey = HKEY_CURRENT_USER;
2025         pUserShellFolderPath = szSHUserFolders;
2026         pShellFolderPath = szSHFolders;
2027     }
2028
2029     hr = _SHRegisterFolders(hRootKey, hToken, pUserShellFolderPath,
2030      pShellFolderPath, folders, sizeof(folders) / sizeof(folders[0]));
2031     TRACE("returning 0x%08x\n", hr);
2032     return hr;
2033 }
2034
2035 static HRESULT _SHRegisterCommonShellFolders(void)
2036 {
2037     static const UINT folders[] = {
2038      CSIDL_COMMON_STARTMENU,
2039      CSIDL_COMMON_PROGRAMS,
2040      CSIDL_COMMON_STARTUP,
2041      CSIDL_COMMON_DESKTOPDIRECTORY,
2042      CSIDL_COMMON_FAVORITES,
2043      CSIDL_COMMON_APPDATA,
2044      CSIDL_COMMON_TEMPLATES,
2045      CSIDL_COMMON_DOCUMENTS,
2046      CSIDL_COMMON_ADMINTOOLS,
2047      CSIDL_COMMON_MUSIC,
2048      CSIDL_COMMON_PICTURES,
2049      CSIDL_COMMON_VIDEO,
2050     };
2051     HRESULT hr;
2052
2053     TRACE("\n");
2054     hr = _SHRegisterFolders(HKEY_LOCAL_MACHINE, NULL, szSHUserFolders,
2055      szSHFolders, folders, sizeof(folders) / sizeof(folders[0]));
2056     TRACE("returning 0x%08x\n", hr);
2057     return hr;
2058 }
2059
2060 /******************************************************************************
2061  * _SHAppendToUnixPath  [Internal]
2062  *
2063  * Helper function for _SHCreateSymbolicLinks. Appends pwszSubPath (or the 
2064  * corresponding resource, if IS_INTRESOURCE) to the unix base path 'szBasePath' 
2065  * and replaces backslashes with slashes.
2066  *
2067  * PARAMS
2068  *  szBasePath  [IO] The unix base path, which will be appended to (CP_UNXICP).
2069  *  pwszSubPath [I]  Sub-path or resource id (use MAKEINTRESOURCEW).
2070  *
2071  * RETURNS
2072  *  Success: TRUE,
2073  *  Failure: FALSE
2074  */
2075 static inline BOOL _SHAppendToUnixPath(char *szBasePath, LPCWSTR pwszSubPath) {
2076     WCHAR wszSubPath[MAX_PATH];
2077     int cLen = strlen(szBasePath);
2078     char *pBackslash;
2079
2080     if (IS_INTRESOURCE(pwszSubPath)) {
2081         if (!LoadStringW(shell32_hInstance, LOWORD(pwszSubPath), wszSubPath, MAX_PATH)) {
2082             /* Fall back to hard coded defaults. */
2083             switch (LOWORD(pwszSubPath)) {
2084                 case IDS_PERSONAL:
2085                     lstrcpyW(wszSubPath, PersonalW);
2086                     break;
2087                 case IDS_MYMUSIC:
2088                     lstrcpyW(wszSubPath, My_MusicW);
2089                     break;
2090                 case IDS_MYPICTURES:
2091                     lstrcpyW(wszSubPath, My_PicturesW);
2092                     break;
2093                 case IDS_MYVIDEO:
2094                     lstrcpyW(wszSubPath, My_VideoW);
2095                     break;
2096                 default:
2097                     ERR("LoadString(%d) failed!\n", LOWORD(pwszSubPath));
2098                     return FALSE;
2099             }
2100         }
2101     } else {
2102         lstrcpyW(wszSubPath, pwszSubPath);
2103     }
2104  
2105     if (szBasePath[cLen-1] != '/') szBasePath[cLen++] = '/';
2106  
2107     if (!WideCharToMultiByte(CP_UNIXCP, 0, wszSubPath, -1, szBasePath + cLen,
2108                              FILENAME_MAX - cLen, NULL, NULL))
2109     {
2110         return FALSE;
2111     }
2112  
2113     pBackslash = szBasePath + cLen;
2114     while ((pBackslash = strchr(pBackslash, '\\'))) *pBackslash = '/';
2115  
2116     return TRUE;
2117 }
2118
2119 /******************************************************************************
2120  * _SHCreateSymbolicLinks  [Internal]
2121  * 
2122  * Sets up symbol links for various shell folders to point into the users home
2123  * directory. We do an educated guess about what the user would probably want:
2124  * - If there is a 'My Documents' directory in $HOME, the user probably wants
2125  *   wine's 'My Documents' to point there. Furthermore, we imply that the user
2126  *   is a Windows lover and has no problem with wine creating 'My Pictures',
2127  *   'My Music' and 'My Video' subfolders under '$HOME/My Documents', if those
2128  *   do not already exits. We put appropriate symbolic links in place for those,
2129  *   too.
2130  * - If there is no 'My Documents' directory in $HOME, we let 'My Documents'
2131  *   point directly to $HOME. We assume the user to be a unix hacker who does not
2132  *   want wine to create anything anywhere besides the .wine directory. So, if
2133  *   there already is a 'My Music' directory in $HOME, we symlink the 'My Music'
2134  *   shell folder to it. But if not, then we check XDG_MUSIC_DIR - "well known"
2135  *   directory, and try to link to that. If that fails, then we symlink to
2136  *   $HOME directly. The same holds fo 'My Pictures' and 'My Video'.
2137  * - The Desktop shell folder is symlinked to XDG_DESKTOP_DIR. If that does not
2138  *   exist, then we try '$HOME/Desktop'. If that does not exist, then we leave
2139  *   it alone.
2140  * ('My Music',... above in fact means LoadString(IDS_MYMUSIC))
2141  */
2142 static void _SHCreateSymbolicLinks(void)
2143 {
2144     UINT aidsMyStuff[] = { IDS_MYPICTURES, IDS_MYVIDEO, IDS_MYMUSIC }, i;
2145     int acsidlMyStuff[] = { CSIDL_MYPICTURES, CSIDL_MYVIDEO, CSIDL_MYMUSIC };
2146     static const char * const xdg_dirs[] = { "PICTURES", "VIDEOS", "MUSIC", "DESKTOP" };
2147     static const unsigned int num = sizeof(xdg_dirs) / sizeof(xdg_dirs[0]);
2148     WCHAR wszTempPath[MAX_PATH];
2149     char szPersonalTarget[FILENAME_MAX], *pszPersonal;
2150     char szMyStuffTarget[FILENAME_MAX], *pszMyStuff;
2151     char szDesktopTarget[FILENAME_MAX], *pszDesktop;
2152     struct stat statFolder;
2153     const char *pszHome;
2154     HRESULT hr;
2155     char ** xdg_results;
2156     char * xdg_desktop_dir;
2157
2158     /* Create all necessary profile sub-dirs up to 'My Documents' and get the unix path. */
2159     hr = SHGetFolderPathW(NULL, CSIDL_PERSONAL|CSIDL_FLAG_CREATE, NULL,
2160                           SHGFP_TYPE_DEFAULT, wszTempPath);
2161     if (FAILED(hr)) return;
2162     pszPersonal = wine_get_unix_file_name(wszTempPath);
2163     if (!pszPersonal) return;
2164
2165     hr = XDG_UserDirLookup(xdg_dirs, num, &xdg_results);
2166     if (FAILED(hr)) xdg_results = NULL;
2167
2168     pszHome = getenv("HOME");
2169     if (pszHome && !stat(pszHome, &statFolder) && S_ISDIR(statFolder.st_mode)) {
2170         strcpy(szPersonalTarget, pszHome);
2171         if (_SHAppendToUnixPath(szPersonalTarget, MAKEINTRESOURCEW(IDS_PERSONAL)) &&
2172             !stat(szPersonalTarget, &statFolder) && S_ISDIR(statFolder.st_mode))
2173         {
2174             /* '$HOME/My Documents' exists. Create 'My Pictures', 'My Videos' and 
2175              * 'My Music' subfolders or fail silently if they already exist. */
2176             for (i = 0; i < sizeof(aidsMyStuff)/sizeof(aidsMyStuff[0]); i++) {
2177                 strcpy(szMyStuffTarget, szPersonalTarget);
2178                 if (_SHAppendToUnixPath(szMyStuffTarget, MAKEINTRESOURCEW(aidsMyStuff[i])))
2179                     mkdir(szMyStuffTarget, 0777);
2180             }
2181         } 
2182         else
2183         {
2184             /* '$HOME/My Documents' doesn't exists, but '$HOME' does. */ 
2185             strcpy(szPersonalTarget, pszHome);
2186         }
2187
2188         /* Replace 'My Documents' directory with a symlink of fail silently if not empty. */
2189         rmdir(pszPersonal);
2190         symlink(szPersonalTarget, pszPersonal);
2191     }
2192     else
2193     {
2194         /* '$HOME' doesn't exist. Create 'My Pictures', 'My Videos' and 'My Music' subdirs
2195          * in '%USERPROFILE%\\My Documents' or fail silently if they already exist. */
2196         strcpy(szPersonalTarget, pszPersonal);
2197         for (i = 0; i < sizeof(aidsMyStuff)/sizeof(aidsMyStuff[0]); i++) {
2198             strcpy(szMyStuffTarget, szPersonalTarget);
2199             if (_SHAppendToUnixPath(szMyStuffTarget, MAKEINTRESOURCEW(aidsMyStuff[i])))
2200                 mkdir(szMyStuffTarget, 0777);
2201         }
2202     }
2203
2204     /* Create symbolic links for 'My Pictures', 'My Video' and 'My Music'. */
2205     for (i=0; i < sizeof(aidsMyStuff)/sizeof(aidsMyStuff[0]); i++) {
2206         /* Create the current 'My Whatever' folder and get it's unix path. */
2207         hr = SHGetFolderPathW(NULL, acsidlMyStuff[i]|CSIDL_FLAG_CREATE, NULL,
2208                               SHGFP_TYPE_DEFAULT, wszTempPath);
2209         if (FAILED(hr)) continue;
2210         pszMyStuff = wine_get_unix_file_name(wszTempPath);
2211         if (!pszMyStuff) continue;
2212         
2213         strcpy(szMyStuffTarget, szPersonalTarget);
2214         if (_SHAppendToUnixPath(szMyStuffTarget, MAKEINTRESOURCEW(aidsMyStuff[i])) &&
2215             !stat(szMyStuffTarget, &statFolder) && S_ISDIR(statFolder.st_mode))
2216         {
2217             /* If there's a 'My Whatever' directory where 'My Documents' links to, link to it. */
2218             rmdir(pszMyStuff);
2219             symlink(szMyStuffTarget, pszMyStuff);
2220         } 
2221         else
2222         {
2223             rmdir(pszMyStuff);
2224             if (xdg_results && xdg_results[i])
2225             {
2226                 /* the folder specified by XDG_XXX_DIR exists, link to it. */
2227                 symlink(xdg_results[i], pszMyStuff);
2228             }
2229             else
2230             {
2231                 /* Else link to where 'My Documents' itself links to. */
2232                 symlink(szPersonalTarget, pszMyStuff);
2233             }
2234         }
2235         HeapFree(GetProcessHeap(), 0, pszMyStuff);
2236     }
2237
2238     /* Last but not least, the Desktop folder */
2239     if (pszHome)
2240         strcpy(szDesktopTarget, pszHome);
2241     else
2242         strcpy(szDesktopTarget, pszPersonal);
2243     HeapFree(GetProcessHeap(), 0, pszPersonal);
2244
2245     xdg_desktop_dir = xdg_results ? xdg_results[num - 1] : NULL;
2246     if (xdg_desktop_dir ||
2247         (_SHAppendToUnixPath(szDesktopTarget, DesktopW) &&
2248         !stat(szDesktopTarget, &statFolder) && S_ISDIR(statFolder.st_mode)))
2249     {
2250         hr = SHGetFolderPathW(NULL, CSIDL_DESKTOPDIRECTORY|CSIDL_FLAG_CREATE, NULL,
2251                               SHGFP_TYPE_DEFAULT, wszTempPath);
2252         if (SUCCEEDED(hr) && (pszDesktop = wine_get_unix_file_name(wszTempPath))) 
2253         {
2254             rmdir(pszDesktop);
2255             if (xdg_desktop_dir)
2256                 symlink(xdg_desktop_dir, pszDesktop);
2257             else
2258                 symlink(szDesktopTarget, pszDesktop);
2259             HeapFree(GetProcessHeap(), 0, pszDesktop);
2260         }
2261     }
2262
2263     /* Free resources allocated by XDG_UserDirLookup() */
2264     if (xdg_results)
2265     {
2266         for (i = 0; i < num; i++)
2267             HeapFree(GetProcessHeap(), 0, xdg_results[i]);
2268         HeapFree(GetProcessHeap(), 0, xdg_results);
2269     }
2270 }
2271
2272 /******************************************************************************
2273  * create_extra_folders  [Internal]
2274  *
2275  * Create some extra folders that don't have a standard CSIDL definition.
2276  */
2277 static HRESULT create_extra_folders(void)
2278 {
2279     static const WCHAR environW[] = {'E','n','v','i','r','o','n','m','e','n','t',0};
2280     static const WCHAR TempW[]    = {'T','e','m','p',0};
2281     static const WCHAR TEMPW[]    = {'T','E','M','P',0};
2282     static const WCHAR TMPW[]     = {'T','M','P',0};
2283     WCHAR path[MAX_PATH+5];
2284     HRESULT hr;
2285     HKEY hkey;
2286     DWORD type, size, ret;
2287
2288     ret = RegCreateKeyW( HKEY_CURRENT_USER, environW, &hkey );
2289     if (ret) return HRESULT_FROM_WIN32( ret );
2290
2291     /* FIXME: should be under AppData, but we don't want spaces in the temp path */
2292     hr = SHGetFolderPathAndSubDirW( 0, CSIDL_PROFILE | CSIDL_FLAG_CREATE, NULL,
2293                                     SHGFP_TYPE_DEFAULT, TempW, path );
2294     if (SUCCEEDED(hr))
2295     {
2296         size = sizeof(path);
2297         if (RegQueryValueExW( hkey, TEMPW, NULL, &type, (LPBYTE)path, &size ))
2298             RegSetValueExW( hkey, TEMPW, 0, REG_SZ, (LPBYTE)path, (strlenW(path) + 1) * sizeof(WCHAR) );
2299         size = sizeof(path);
2300         if (RegQueryValueExW( hkey, TMPW, NULL, &type, (LPBYTE)path, &size ))
2301             RegSetValueExW( hkey, TMPW, 0, REG_SZ, (LPBYTE)path, (strlenW(path) + 1) * sizeof(WCHAR) );
2302     }
2303     RegCloseKey( hkey );
2304     return hr;
2305 }
2306
2307
2308 /* Register the default values in the registry, as some apps seem to depend
2309  * on their presence.  The set registered was taken from Windows XP.
2310  */
2311 HRESULT SHELL_RegisterShellFolders(void)
2312 {
2313     HRESULT hr;
2314
2315     /* Set up '$HOME' targeted symlinks for 'My Documents', 'My Pictures',
2316      * 'My Video', 'My Music' and 'Desktop' in advance, so that the
2317      * _SHRegister*ShellFolders() functions will find everything nice and clean
2318      * and thus will not attempt to create them in the profile directory. */
2319     _SHCreateSymbolicLinks();
2320     
2321     hr = _SHRegisterUserShellFolders(TRUE);
2322     if (SUCCEEDED(hr))
2323         hr = _SHRegisterUserShellFolders(FALSE);
2324     if (SUCCEEDED(hr))
2325         hr = _SHRegisterCommonShellFolders();
2326     if (SUCCEEDED(hr))
2327         hr = create_extra_folders();
2328     return hr;
2329 }
2330
2331 /*************************************************************************
2332  * SHGetSpecialFolderPathA [SHELL32.@]
2333  */
2334 BOOL WINAPI SHGetSpecialFolderPathA (
2335         HWND hwndOwner,
2336         LPSTR szPath,
2337         int nFolder,
2338         BOOL bCreate)
2339 {
2340         return (SHGetFolderPathA(
2341                 hwndOwner,
2342                 nFolder + (bCreate ? CSIDL_FLAG_CREATE : 0),
2343                 NULL,
2344                 0,
2345                 szPath)) == S_OK ? TRUE : FALSE;
2346 }
2347
2348 /*************************************************************************
2349  * SHGetSpecialFolderPathW
2350  */
2351 BOOL WINAPI SHGetSpecialFolderPathW (
2352         HWND hwndOwner,
2353         LPWSTR szPath,
2354         int nFolder,
2355         BOOL bCreate)
2356 {
2357         return (SHGetFolderPathW(
2358                 hwndOwner,
2359                 nFolder + (bCreate ? CSIDL_FLAG_CREATE : 0),
2360                 NULL,
2361                 0,
2362                 szPath)) == S_OK ? TRUE : FALSE;
2363 }
2364
2365 /*************************************************************************
2366  * SHGetSpecialFolderPath (SHELL32.175)
2367  */
2368 BOOL WINAPI SHGetSpecialFolderPathAW (
2369         HWND hwndOwner,
2370         LPVOID szPath,
2371         int nFolder,
2372         BOOL bCreate)
2373
2374 {
2375         if (SHELL_OsIsUnicode())
2376           return SHGetSpecialFolderPathW (hwndOwner, szPath, nFolder, bCreate);
2377         return SHGetSpecialFolderPathA (hwndOwner, szPath, nFolder, bCreate);
2378 }
2379
2380 /*************************************************************************
2381  * SHGetFolderLocation [SHELL32.@]
2382  *
2383  * Gets the folder locations from the registry and creates a pidl.
2384  *
2385  * PARAMS
2386  *   hwndOwner  [I]
2387  *   nFolder    [I] CSIDL_xxxxx
2388  *   hToken     [I] token representing user, or NULL for current user, or -1 for
2389  *                  default user
2390  *   dwReserved [I] must be zero
2391  *   ppidl      [O] PIDL of a special folder
2392  *
2393  * RETURNS
2394  *  Success: S_OK
2395  *  Failure: Standard OLE-defined error result, S_FALSE or E_INVALIDARG
2396  *
2397  * NOTES
2398  *  Creates missing reg keys and directories.
2399  *  Mostly forwards to SHGetFolderPathW, but a few values of nFolder return
2400  *  virtual folders that are handled here.
2401  */
2402 HRESULT WINAPI SHGetFolderLocation(
2403         HWND hwndOwner,
2404         int nFolder,
2405         HANDLE hToken,
2406         DWORD dwReserved,
2407         LPITEMIDLIST *ppidl)
2408 {
2409     HRESULT hr = E_INVALIDARG;
2410
2411     TRACE("%p 0x%08x %p 0x%08x %p\n",
2412      hwndOwner, nFolder, hToken, dwReserved, ppidl);
2413     
2414     if (!ppidl)
2415         return E_INVALIDARG;
2416     if (dwReserved)
2417         return E_INVALIDARG;
2418
2419     /* The virtual folders' locations are not user-dependent */
2420     *ppidl = NULL;
2421     switch (nFolder & CSIDL_FOLDER_MASK)
2422     {
2423         case CSIDL_DESKTOP:
2424             *ppidl = _ILCreateDesktop();
2425             break;
2426
2427         case CSIDL_PERSONAL:
2428             *ppidl = _ILCreateMyDocuments();
2429             break;
2430
2431         case CSIDL_INTERNET:
2432             *ppidl = _ILCreateIExplore();
2433             break;
2434
2435         case CSIDL_CONTROLS:
2436             *ppidl = _ILCreateControlPanel();
2437             break;
2438
2439         case CSIDL_PRINTERS:
2440             *ppidl = _ILCreatePrinters();
2441             break;
2442
2443         case CSIDL_BITBUCKET:
2444             *ppidl = _ILCreateBitBucket();
2445             break;
2446
2447         case CSIDL_DRIVES:
2448             *ppidl = _ILCreateMyComputer();
2449             break;
2450
2451         case CSIDL_NETWORK:
2452             *ppidl = _ILCreateNetwork();
2453             break;
2454
2455         default:
2456         {
2457             WCHAR szPath[MAX_PATH];
2458
2459             hr = SHGetFolderPathW(hwndOwner, nFolder, hToken,
2460              SHGFP_TYPE_CURRENT, szPath);
2461             if (SUCCEEDED(hr))
2462             {
2463                 DWORD attributes=0;
2464
2465                 TRACE("Value=%s\n", debugstr_w(szPath));
2466                 hr = SHILCreateFromPathW(szPath, ppidl, &attributes);
2467             }
2468             else if (hr == HRESULT_FROM_WIN32(ERROR_FILE_NOT_FOUND))
2469             {
2470                 /* unlike SHGetFolderPath, SHGetFolderLocation in shell32
2471                  * version 6.0 returns E_FAIL for nonexistent paths
2472                  */
2473                 hr = E_FAIL;
2474             }
2475         }
2476     }
2477     if(*ppidl)
2478         hr = NOERROR;
2479
2480     TRACE("-- (new pidl %p)\n",*ppidl);
2481     return hr;
2482 }
2483
2484 /*************************************************************************
2485  * SHGetSpecialFolderLocation           [SHELL32.@]
2486  *
2487  * NOTES
2488  *   In NT5, SHGetSpecialFolderLocation needs the <winntdir>/Recent
2489  *   directory.
2490  */
2491 HRESULT WINAPI SHGetSpecialFolderLocation(
2492         HWND hwndOwner,
2493         INT nFolder,
2494         LPITEMIDLIST * ppidl)
2495 {
2496     HRESULT hr = E_INVALIDARG;
2497
2498     TRACE("(%p,0x%x,%p)\n", hwndOwner,nFolder,ppidl);
2499
2500     if (!ppidl)
2501         return E_INVALIDARG;
2502
2503     hr = SHGetFolderLocation(hwndOwner, nFolder, NULL, 0, ppidl);
2504     return hr;
2505 }
2506
2507 /*************************************************************************
2508  * SHGetKnownFolderPath           [SHELL32.@]
2509  */
2510 HRESULT WINAPI SHGetKnownFolderPath(REFKNOWNFOLDERID rfid, DWORD flags, HANDLE token, PWSTR *path)
2511 {
2512     FIXME("(%s, %d, %p, %p) stub!\n", debugstr_guid(rfid), flags, token, path);
2513     return E_NOTIMPL;
2514 }