dlls/shell32/pidl.c

   1 /*
   2  *      pidl Handling
   3  *
   4  *      Copyright 1998  Juergen Schmied
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  *
  20  * NOTES
  21  *  a pidl == NULL means desktop and is legal
  22  *
  23  */
  24
  25 #include "config.h"
  26 #include "wine/port.h"
  27
  28 #include <ctype.h>
  29 #include <stdarg.h>
  30 #include <stdlib.h>
  31 #include <string.h>
  32
  33 #define COBJMACROS
  34 #define NONAMELESSUNION
  35 #define NONAMELESSSTRUCT
  36
  37 #include "windef.h"
  38 #include "winbase.h"
  39 #include "winreg.h"
  40 #include "objbase.h"
  41 #include "shlguid.h"
  42 #include "winerror.h"
  43 #include "winnls.h"
  44 #include "undocshell.h"
  45 #include "shell32_main.h"
  46 #include "shellapi.h"
  47 #include "shlwapi.h"
  48
  49 #include "pidl.h"
  50 #include "debughlp.h"
  51 #include "wine/debug.h"
  52
  53 WINE_DEFAULT_DEBUG_CHANNEL(pidl);
  54 WINE_DECLARE_DEBUG_CHANNEL(shell);
  55
  56 /* from comctl32.dll */
  57 extern LPVOID WINAPI Alloc(INT);
  58 extern BOOL WINAPI Free(LPVOID);
  59
  60 /*************************************************************************
  61  * ILGetDisplayNameEx           [SHELL32.186]
  62  *
  63  * Retrieves the display name of an ItemIDList
  64  *
  65  * PARAMS
  66  *  psf        [I]   Shell Folder to start with, if NULL the desktop is used
  67  *  pidl       [I]   ItemIDList relativ to the psf to get the display name for
  68  *  path       [O]   Filled in with the display name, assumed to be at least MAX_PATH long
  69  *  type       [I]   Type of display name to retrieve
  70  *                    0 = SHGDN_FORPARSING | SHGDN_FORADDRESSBAR uses always the desktop as root
  71  *                    1 = SHGDN_NORMAL relative to the root folder
  72  *                    2 = SHGDN_INFOLDER relative to the root folder, only the last name
  73  *
  74  * RETURNS
  75  *  True if the display name could be retrieved successfully, False otherwise
  76  */
  77 BOOL WINAPI ILGetDisplayNameExA(LPSHELLFOLDER psf, LPCITEMIDLIST pidl, LPSTR path, DWORD type)
  78 {
  79         BOOL ret = FALSE;
  80         WCHAR wPath[MAX_PATH];
  81
  82         TRACE("%p %p %p %ld\n", psf, pidl, path, type);
  83
  84         if (!pidl || !path)
  85           return FALSE;
  86
  87         ret = ILGetDisplayNameExW(psf, pidl, wPath, type);
  88         WideCharToMultiByte(CP_ACP, 0, wPath, -1, path, MAX_PATH, NULL, NULL);
  89         TRACE("%p %p %s\n", psf, pidl, debugstr_a(path));
  90
  91         return ret;
  92 }
  93
  94 BOOL WINAPI ILGetDisplayNameExW(LPSHELLFOLDER psf, LPCITEMIDLIST pidl, LPWSTR path, DWORD type)
  95 {
  96         LPSHELLFOLDER psfParent, lsf = psf;
  97         HRESULT ret = NO_ERROR;
  98         LPCITEMIDLIST pidllast;
  99         STRRET strret;
 100         DWORD flag;
 101
 102         TRACE("%p %p %p %ld\n", psf, pidl, path, type);
 103
 104         if (!pidl || !path)
 105           return FALSE;
 106
 107         if (!lsf)
 108         {
 109           ret = SHGetDesktopFolder(&lsf);
 110           if (FAILED(ret))
 111             return FALSE;
 112         }
 113
 114         if (type >= 0 && type <= 2)
 115         {
 116           switch (type)
 117           {
 118             case ILGDN_FORPARSING:
 119               flag = SHGDN_FORPARSING | SHGDN_FORADDRESSBAR;
 120               break;
 121             case ILGDN_NORMAL:
 122               flag = SHGDN_NORMAL;
 123               break;
 124             case ILGDN_INFOLDER:
 125               flag = SHGDN_INFOLDER;
 126               break;
 127             default:
 128               FIXME("Unknown type parameter = %lx\n", type);
 129               flag = SHGDN_FORPARSING | SHGDN_FORADDRESSBAR;
 130               break;
 131           }
 132           if (!*(LPWORD)pidl || type == ILGDN_FORPARSING)
 133           {
 134             ret = IShellFolder_GetDisplayNameOf(lsf, pidl, flag, &strret);
 135             if (SUCCEEDED(ret))
 136             {
 137               ret = StrRetToStrNW(path, MAX_PATH, &strret, pidl);
 138             }
 139           }
 140           else
 141           {
 142             ret = SHBindToParent(pidl, &IID_IShellFolder, (LPVOID*)&psfParent, &pidllast);
 143             if (SUCCEEDED(ret))
 144             {
 145               ret = IShellFolder_GetDisplayNameOf(psfParent, pidllast, flag, &strret);
 146               if (SUCCEEDED(ret))
 147               {
 148                 ret = StrRetToStrNW(path, MAX_PATH, &strret, pidllast);
 149               }
 150               IShellFolder_Release(psfParent);
 151             }
 152           }
 153         }
 154
 155         TRACE("%p %p %s\n", psf, pidl, debugstr_w(path));
 156
 157         if (!psf)
 158           IShellFolder_Release(lsf);
 159         return SUCCEEDED(ret);
 160 }
 161
 162 BOOL WINAPI ILGetDisplayNameEx(LPSHELLFOLDER psf, LPCITEMIDLIST pidl, LPVOID path, DWORD type)
 163 {
 164         TRACE_(shell)("%p %p %p %ld\n", psf, pidl, path, type);
 165         if (SHELL_OsIsUnicode())
 166           return ILGetDisplayNameExW(psf, pidl, path, type);
 167         return ILGetDisplayNameExA(psf, pidl, path, type);
 168 }
 169
 170 /*************************************************************************
 171  * ILGetDisplayName                     [SHELL32.15]
 172  */
 173 BOOL WINAPI ILGetDisplayName(LPCITEMIDLIST pidl, LPVOID path)
 174 {
 175         TRACE_(shell)("%p %p\n", pidl, path);
 176         if (SHELL_OsIsUnicode())
 177           return ILGetDisplayNameExW(NULL, pidl, path, ILGDN_FORPARSING);
 178         return ILGetDisplayNameExA(NULL, pidl, path, ILGDN_FORPARSING);
 179 }
 180
 181 /*************************************************************************
 182  * ILFindLastID [SHELL32.16]
 183  *
 184  * NOTES
 185  *   observed: pidl=Desktop return=pidl
 186  */
 187 LPITEMIDLIST WINAPI ILFindLastID(LPCITEMIDLIST pidl)
 188 {
 189         LPCITEMIDLIST   pidlLast = pidl;
 190
 191         TRACE("(pidl=%p)\n",pidl);
 192
 193         if (!pidl)
 194           return NULL;
 195
 196         while (pidl->mkid.cb)
 197         {
 198           pidlLast = pidl;
 199           pidl = ILGetNext(pidl);
 200         }
 201         return (LPITEMIDLIST)pidlLast;
 202 }
 203 /*************************************************************************
 204  * ILRemoveLastID [SHELL32.17]
 205  *
 206  * NOTES
 207  *   when pidl=Desktop return=FALSE
 208  */
 209 BOOL WINAPI ILRemoveLastID(LPITEMIDLIST pidl)
 210 {
 211         TRACE_(shell)("pidl=%p\n",pidl);
 212
 213         if (!pidl || !pidl->mkid.cb)
 214           return 0;
 215         ILFindLastID(pidl)->mkid.cb = 0;
 216         return 1;
 217 }
 218
 219 /*************************************************************************
 220  * ILClone [SHELL32.18]
 221  *
 222  * NOTES
 223  *    duplicate an idlist
 224  */
 225 LPITEMIDLIST WINAPI ILClone (LPCITEMIDLIST pidl)
 226 { DWORD    len;
 227   LPITEMIDLIST  newpidl;
 228
 229   if (!pidl)
 230     return NULL;
 231
 232   len = ILGetSize(pidl);
 233   newpidl = (LPITEMIDLIST)SHAlloc(len);
 234   if (newpidl)
 235     memcpy(newpidl,pidl,len);
 236
 237   TRACE("pidl=%p newpidl=%p\n",pidl, newpidl);
 238   pdump(pidl);
 239
 240   return newpidl;
 241 }
 242 /*************************************************************************
 243  * ILCloneFirst [SHELL32.19]
 244  *
 245  * NOTES
 246  *  duplicates the first idlist of a complex pidl
 247  */
 248 LPITEMIDLIST WINAPI ILCloneFirst(LPCITEMIDLIST pidl)
 249 {       DWORD len;
 250         LPITEMIDLIST pidlNew = NULL;
 251
 252         TRACE("pidl=%p \n",pidl);
 253         pdump(pidl);
 254
 255         if (pidl)
 256         {
 257           len = pidl->mkid.cb;
 258           pidlNew = (LPITEMIDLIST) SHAlloc (len+2);
 259           if (pidlNew)
 260           {
 261             memcpy(pidlNew,pidl,len+2);         /* 2 -> mind a desktop pidl */
 262
 263             if (len)
 264               ILGetNext(pidlNew)->mkid.cb = 0x00;
 265           }
 266         }
 267         TRACE("-- newpidl=%p\n",pidlNew);
 268
 269         return pidlNew;
 270 }
 271
 272 /*************************************************************************
 273  * ILLoadFromStream (SHELL32.26)
 274  *
 275  * NOTES
 276  *   the first two bytes are the len, the pidl is following then
 277  */
 278 HRESULT WINAPI ILLoadFromStream (IStream * pStream, LPITEMIDLIST * ppPidl)
 279 {       WORD            wLen = 0;
 280         DWORD           dwBytesRead;
 281         HRESULT         ret = E_FAIL;
 282
 283
 284         TRACE_(shell)("%p %p\n", pStream ,  ppPidl);
 285
 286         if (*ppPidl)
 287         { SHFree(*ppPidl);
 288           *ppPidl = NULL;
 289         }
 290
 291         IStream_AddRef (pStream);
 292
 293         if (SUCCEEDED(IStream_Read(pStream, (LPVOID)&wLen, 2, &dwBytesRead)))
 294         {
 295           TRACE("PIDL length is %d\n", wLen);
 296           if (wLen != 0) {
 297             *ppPidl = SHAlloc (wLen);
 298             if (SUCCEEDED(IStream_Read(pStream, *ppPidl , wLen, &dwBytesRead))) {
 299                 TRACE("Stream read OK\n");
 300                 ret = S_OK;
 301             } else {
 302                 WARN("reading pidl failed\n");
 303                 SHFree(*ppPidl);
 304                 *ppPidl = NULL;
 305             }
 306           } else {
 307             *ppPidl = NULL;
 308             ret = S_OK;
 309           }
 310         }
 311
 312         /* we are not yet fully compatible */
 313         if (*ppPidl && !pcheck(*ppPidl))
 314         {
 315           WARN("Check failed\n");
 316           SHFree(*ppPidl);
 317           *ppPidl = NULL;
 318         }
 319
 320
 321         IStream_Release (pStream);
 322         TRACE("done\n");
 323         return ret;
 324 }
 325
 326 /*************************************************************************
 327  * ILSaveToStream (SHELL32.27)
 328  *
 329  * NOTES
 330  *   the first two bytes are the len, the pidl is following then
 331  */
 332 HRESULT WINAPI ILSaveToStream (IStream * pStream, LPCITEMIDLIST pPidl)
 333 {
 334         LPCITEMIDLIST   pidl;
 335         WORD            wLen = 0;
 336         HRESULT         ret = E_FAIL;
 337
 338         TRACE_(shell)("%p %p\n", pStream, pPidl);
 339
 340         IStream_AddRef (pStream);
 341
 342         pidl = pPidl;
 343         while (pidl->mkid.cb)
 344         {
 345           wLen += sizeof(WORD) + pidl->mkid.cb;
 346           pidl = ILGetNext(pidl);
 347         }
 348
 349         if (SUCCEEDED(IStream_Write(pStream, (LPVOID)&wLen, 2, NULL)))
 350         {
 351           if (SUCCEEDED(IStream_Write(pStream, pPidl, wLen, NULL)))
 352           { ret = S_OK;
 353           }
 354         }
 355         IStream_Release (pStream);
 356
 357         return ret;
 358 }
 359
 360 /*************************************************************************
 361  * SHILCreateFromPath        [SHELL32.28]
 362  *
 363  * Create an ItemIDList from a path
 364  *
 365  * PARAMS
 366  *  path       [I]
 367  *  ppidl      [O]
 368  *  attributes [I/O] requested attributes on call and actual attributes when
 369  *                   the function returns
 370  *
 371  * RETURNS
 372  *  NO_ERROR if successful, or an OLE errer code otherwise
 373  *
 374  * NOTES
 375  *  Wrapper for IShellFolder_ParseDisplayName().
 376  */
 377 HRESULT WINAPI SHILCreateFromPathA(LPCSTR path, LPITEMIDLIST * ppidl, DWORD * attributes)
 378 {
 379         LPSHELLFOLDER sf;
 380         WCHAR lpszDisplayName[MAX_PATH];
 381         DWORD pchEaten;
 382         HRESULT ret = E_FAIL;
 383
 384         TRACE_(shell)("%s %p 0x%08lx\n", path, ppidl, attributes ? *attributes : 0);
 385
 386         if (!MultiByteToWideChar(CP_ACP, 0, path, -1, lpszDisplayName, MAX_PATH))
 387           lpszDisplayName[MAX_PATH-1] = 0;
 388
 389         if (SUCCEEDED (SHGetDesktopFolder(&sf)))
 390         {
 391           ret = IShellFolder_ParseDisplayName(sf, 0, NULL, lpszDisplayName, &pchEaten, ppidl, attributes);
 392           IShellFolder_Release(sf);
 393         }
 394         return ret;
 395 }
 396
 397 HRESULT WINAPI SHILCreateFromPathW(LPCWSTR path, LPITEMIDLIST * ppidl, DWORD * attributes)
 398 {
 399         LPSHELLFOLDER sf;
 400         DWORD pchEaten;
 401         HRESULT ret = E_FAIL;
 402
 403         TRACE_(shell)("%s %p 0x%08lx\n", debugstr_w(path), ppidl, attributes ? *attributes : 0);
 404
 405         if (SUCCEEDED (SHGetDesktopFolder(&sf)))
 406         {
 407           ret = IShellFolder_ParseDisplayName(sf, 0, NULL, (LPWSTR)path, &pchEaten, ppidl, attributes);
 408           IShellFolder_Release(sf);
 409         }
 410         return ret;
 411 }
 412
 413 HRESULT WINAPI SHILCreateFromPathAW (LPCVOID path, LPITEMIDLIST * ppidl, DWORD * attributes)
 414 {
 415         if ( SHELL_OsIsUnicode())
 416           return SHILCreateFromPathW (path, ppidl, attributes);
 417         return SHILCreateFromPathA (path, ppidl, attributes);
 418 }
 419
 420 /*************************************************************************
 421  * SHCloneSpecialIDList      [SHELL32.89]
 422  *
 423  * Create an ItemIDList to one of the special folders.
 424
 425  * PARAMS
 426  *  hwndOwner   [in]
 427  *  nFolder             [in]    CSIDL_xxxxx
 428  *  fCreate             [in]    Create folder if it does not exist
 429  *
 430  * RETURNS
 431  *  Success: The newly created pidl
 432  *  Failure: NULL, if inputs are invalid.
 433  *
 434  * NOTES
 435  *  exported by ordinal.
 436  *  Caller is responsible for deallocating the returned ItemIDList with the
 437  *  shells IMalloc interface, aka ILFree.
 438  */
 439 LPITEMIDLIST WINAPI SHCloneSpecialIDList(HWND hwndOwner, DWORD nFolder, BOOL fCreate)
 440 {       LPITEMIDLIST ppidl;
 441         TRACE_(shell)("(hwnd=%p,csidl=0x%lx,%s).\n", hwndOwner, nFolder, fCreate ? "T" : "F");
 442
 443         if (fCreate)
 444           nFolder |= CSIDL_FLAG_CREATE;
 445
 446         SHGetSpecialFolderLocation(hwndOwner, nFolder, &ppidl);
 447         return ppidl;
 448 }
 449
 450 /*************************************************************************
 451  * ILGlobalClone             [SHELL32.20]
 452  *
 453  * Clones an ItemIDList using Alloc.
 454  *
 455  * PARAMS
 456  *  pidl       [I]   ItemIDList to clone
 457  *
 458  * RETURNS
 459  *  Newly allocated ItemIDList.
 460  *
 461  * NOTES
 462  *  exported by ordinal.
 463  */
 464 LPITEMIDLIST WINAPI ILGlobalClone(LPCITEMIDLIST pidl)
 465 {       DWORD    len;
 466         LPITEMIDLIST  newpidl;
 467
 468         if (!pidl)
 469           return NULL;
 470
 471         len = ILGetSize(pidl);
 472         newpidl = (LPITEMIDLIST)Alloc(len);
 473         if (newpidl)
 474           memcpy(newpidl,pidl,len);
 475
 476         TRACE("pidl=%p newpidl=%p\n",pidl, newpidl);
 477         pdump(pidl);
 478
 479         return newpidl;
 480 }
 481
 482 /*************************************************************************
 483  * ILIsEqual [SHELL32.21]
 484  *
 485  */
 486 BOOL WINAPI ILIsEqual(LPCITEMIDLIST pidl1, LPCITEMIDLIST pidl2)
 487 {
 488         char    szData1[MAX_PATH];
 489         char    szData2[MAX_PATH];
 490
 491         LPCITEMIDLIST pidltemp1 = pidl1;
 492         LPCITEMIDLIST pidltemp2 = pidl2;
 493
 494         TRACE("pidl1=%p pidl2=%p\n",pidl1, pidl2);
 495
 496         /* explorer reads from registry directly (StreamMRU),
 497            so we can only check here */
 498         if ((!pcheck (pidl1)) || (!pcheck (pidl2))) return FALSE;
 499
 500         pdump (pidl1);
 501         pdump (pidl2);
 502
 503         if ( (!pidl1) || (!pidl2) ) return FALSE;
 504
 505         while (pidltemp1->mkid.cb && pidltemp2->mkid.cb)
 506         {
 507             _ILSimpleGetText(pidltemp1, szData1, MAX_PATH);
 508             _ILSimpleGetText(pidltemp2, szData2, MAX_PATH);
 509
 510             if (strcasecmp ( szData1, szData2 )!=0 )
 511               return FALSE;
 512
 513             pidltemp1 = ILGetNext(pidltemp1);
 514             pidltemp2 = ILGetNext(pidltemp2);
 515         }
 516
 517         if (!pidltemp1->mkid.cb && !pidltemp2->mkid.cb)
 518         {
 519           return TRUE;
 520         }
 521
 522         return FALSE;
 523 }
 524 /*************************************************************************
 525  * ILIsParent                [SHELL32.23]
 526  *
 527  * Verifies that pidlParent is indeed the (immediate) parent of pidlChild.
 528  *
 529  * PARAMS
 530  *  pidlParent [I]
 531  *  pidlChild  [I]
 532  *  bImmediate [I]   only return true if the parent is the direct parent
 533  *                   of the child
 534  *
 535  * RETURNS
 536  *  True if the parent ItemIDlist is a complete part of the child ItemIdList,
 537  *  False otherwise.
 538  *
 539  * NOTES
 540  *  parent = a/b, child = a/b/c -> true, c is in folder a/b
 541  *  child = a/b/c/d -> false if bImmediate is true, d is not in folder a/b
 542  *  child = a/b/c/d -> true if bImmediate is false, d is in a subfolder of a/b
 543  */
 544 BOOL WINAPI ILIsParent(LPCITEMIDLIST pidlParent, LPCITEMIDLIST pidlChild, BOOL bImmediate)
 545 {
 546         char    szData1[MAX_PATH];
 547         char    szData2[MAX_PATH];
 548
 549         LPCITEMIDLIST pParent = pidlParent;
 550         LPCITEMIDLIST pChild = pidlChild;
 551
 552         TRACE("%p %p %x\n", pidlParent, pidlChild, bImmediate);
 553
 554         if (!pParent || !pChild) return FALSE;
 555
 556         while (pParent->mkid.cb && pChild->mkid.cb)
 557         {
 558           _ILSimpleGetText(pParent, szData1, MAX_PATH);
 559           _ILSimpleGetText(pChild, szData2, MAX_PATH);
 560
 561           if (strcasecmp ( szData1, szData2 )!=0 )
 562             return FALSE;
 563
 564           pParent = ILGetNext(pParent);
 565           pChild = ILGetNext(pChild);
 566         }
 567
 568         if ( pParent->mkid.cb || ! pChild->mkid.cb) /* child shorter or has equal length to parent */
 569           return FALSE;
 570
 571         if ( ILGetNext(pChild)->mkid.cb && bImmediate) /* not immediate descent */
 572           return FALSE;
 573
 574         return TRUE;
 575 }
 576
 577 /*************************************************************************
 578  * ILFindChild               [SHELL32.24]
 579  *
 580  *  Compares elements from pidl1 and pidl2.
 581  *
 582  * PARAMS
 583  *  pidl1      [I]
 584  *  pidl2      [I]
 585  *
 586  * RETURNS
 587  *  pidl1 is desktop      pidl2
 588  *  pidl1 shorter pidl2   pointer to first different element of pidl2
 589  *                        if there was at least one equal element
 590  *  pidl2 shorter pidl1   0
 591  *  pidl2 equal pidl1     pointer to last 0x00-element of pidl2
 592  *
 593  * NOTES
 594  *  exported by ordinal.
 595  */
 596 LPITEMIDLIST WINAPI ILFindChild(LPCITEMIDLIST pidl1, LPCITEMIDLIST pidl2)
 597 {
 598         char    szData1[MAX_PATH];
 599         char    szData2[MAX_PATH];
 600
 601         LPCITEMIDLIST pidltemp1 = pidl1;
 602         LPCITEMIDLIST pidltemp2 = pidl2;
 603         LPCITEMIDLIST ret=NULL;
 604
 605         TRACE("pidl1=%p pidl2=%p\n",pidl1, pidl2);
 606
 607         /* explorer reads from registry directly (StreamMRU),
 608            so we can only check here */
 609         if ((!pcheck (pidl1)) || (!pcheck (pidl2)))
 610           return FALSE;
 611
 612         pdump (pidl1);
 613         pdump (pidl2);
 614
 615         if ( _ILIsDesktop(pidl1) )
 616         {
 617           ret = pidl2;
 618         }
 619         else
 620         {
 621           while (pidltemp1->mkid.cb && pidltemp2->mkid.cb)
 622           {
 623             _ILSimpleGetText(pidltemp1, szData1, MAX_PATH);
 624             _ILSimpleGetText(pidltemp2, szData2, MAX_PATH);
 625
 626             if (strcasecmp(szData1,szData2))
 627               break;
 628
 629             pidltemp1 = ILGetNext(pidltemp1);
 630             pidltemp2 = ILGetNext(pidltemp2);
 631             ret = pidltemp2;
 632           }
 633
 634           if (pidltemp1->mkid.cb)
 635           {
 636             ret = NULL; /* elements of pidl1 left*/
 637           }
 638         }
 639         TRACE_(shell)("--- %p\n", ret);
 640         return (LPITEMIDLIST)ret; /* pidl 1 is shorter */
 641 }
 642
 643 /*************************************************************************
 644  * ILCombine                 [SHELL32.25]
 645  *
 646  * Concatenates two complex ItemIDLists.
 647  *
 648  * PARAMS
 649  *  pidl1      [I]   first complex ItemIDLists
 650  *  pidl2      [I]   complex ItemIDLists to append
 651  *
 652  * RETURNS
 653  *  if both pidl's == NULL      NULL
 654  *  if pidl1 == NULL            cloned pidl2
 655  *  if pidl2 == NULL            cloned pidl1
 656  *  otherwise new pidl with pidl2 appended to pidl1
 657  *
 658  * NOTES
 659  *  exported by ordinal.
 660  *  Does not destroy the passed in ItemIDLists!
 661  */
 662 LPITEMIDLIST WINAPI ILCombine(LPCITEMIDLIST pidl1, LPCITEMIDLIST pidl2)
 663 {
 664         DWORD    len1,len2;
 665         LPITEMIDLIST  pidlNew;
 666
 667         TRACE("pidl=%p pidl=%p\n",pidl1,pidl2);
 668
 669         if(!pidl1 && !pidl2) return NULL;
 670
 671         pdump (pidl1);
 672         pdump (pidl2);
 673
 674         if(!pidl1)
 675         {
 676           pidlNew = ILClone(pidl2);
 677           return pidlNew;
 678         }
 679
 680         if(!pidl2)
 681         {
 682           pidlNew = ILClone(pidl1);
 683           return pidlNew;
 684         }
 685
 686         len1  = ILGetSize(pidl1)-2;
 687         len2  = ILGetSize(pidl2);
 688         pidlNew  = SHAlloc(len1+len2);
 689
 690         if (pidlNew)
 691         {
 692           memcpy(pidlNew,pidl1,len1);
 693           memcpy(((BYTE *)pidlNew)+len1,pidl2,len2);
 694         }
 695
 696         /*  TRACE(pidl,"--new pidl=%p\n",pidlNew);*/
 697         return pidlNew;
 698 }
 699
 700 /*************************************************************************
 701  *  SHGetRealIDL [SHELL32.98]
 702  *
 703  * NOTES
 704  */
 705 HRESULT WINAPI SHGetRealIDL(LPSHELLFOLDER lpsf, LPCITEMIDLIST pidlSimple, LPITEMIDLIST *pidlReal)
 706 {
 707         IDataObject* pDataObj;
 708         HRESULT hr = IShellFolder_GetUIObjectOf(lpsf, 0, 1, &pidlSimple, &IID_IDataObject, 0, (LPVOID*)&pDataObj);
 709
 710         if (SUCCEEDED(hr)) {
 711             STGMEDIUM medium;
 712             FORMATETC fmt;
 713
 714             fmt.cfFormat = RegisterClipboardFormatA(CFSTR_SHELLIDLIST);
 715             fmt.ptd = NULL;
 716             fmt.dwAspect = DVASPECT_CONTENT;
 717             fmt.lindex = -1;
 718             fmt.tymed = TYMED_HGLOBAL;
 719
 720             hr = IDataObject_GetData(pDataObj, &fmt, &medium);
 721
 722             IDataObject_Release(pDataObj);
 723
 724             if (SUCCEEDED(hr)) {
 725                 /*assert(pida->cidl==1);*/
 726                 LPIDA pida = (LPIDA)GlobalLock(medium.u.hGlobal);
 727
 728                 LPCITEMIDLIST pidl_folder = (LPCITEMIDLIST) ((LPBYTE)pida+pida->aoffset[0]);
 729                 LPCITEMIDLIST pidl_child = (LPCITEMIDLIST) ((LPBYTE)pida+pida->aoffset[1]);
 730
 731                 *pidlReal = ILCombine(pidl_folder, pidl_child);
 732
 733                 if (!*pidlReal)
 734                         hr = E_OUTOFMEMORY;
 735
 736                 GlobalUnlock(medium.u.hGlobal);
 737                 GlobalFree(medium.u.hGlobal);
 738             }
 739         }
 740
 741         return hr;
 742 }
 743
 744 /*************************************************************************
 745  *  SHLogILFromFSIL [SHELL32.95]
 746  *
 747  * NOTES
 748  *  pild = CSIDL_DESKTOP        ret = 0
 749  *  pild = CSIDL_DRIVES         ret = 0
 750  */
 751 LPITEMIDLIST WINAPI SHLogILFromFSIL(LPITEMIDLIST pidl)
 752 {
 753         FIXME("(pidl=%p)\n",pidl);
 754
 755         pdump(pidl);
 756
 757         return 0;
 758 }
 759
 760 /*************************************************************************
 761  * ILGetSize                 [SHELL32.152]
 762  *
 763  * Gets the byte size of an ItemIDList including zero terminator
 764  *
 765  * PARAMS
 766  *  pidl       [I]   ItemIDList
 767  *
 768  * RETURNS
 769  *  size of pidl in bytes
 770  *
 771  * NOTES
 772  *  exported by ordinal
 773  */
 774 UINT WINAPI ILGetSize(LPCITEMIDLIST pidl)
 775 {
 776         LPCSHITEMID si = &(pidl->mkid);
 777         UINT len=0;
 778
 779         if (pidl)
 780         { while (si->cb)
 781           { len += si->cb;
 782             si  = (LPSHITEMID)(((LPBYTE)si)+si->cb);
 783           }
 784           len += 2;
 785         }
 786         TRACE("pidl=%p size=%u\n",pidl, len);
 787         return len;
 788 }
 789
 790 /*************************************************************************
 791  * ILGetNext                 [SHELL32.153]
 792  *
 793  * Gets the next ItemID of an ItemIDList
 794  *
 795  * PARAMS
 796  *  pidl       [I]   ItemIDList
 797  *
 798  * RETURNS
 799  *  null -> null
 800  *  desktop -> null
 801  *  simple pidl -> pointer to 0x0000 element
 802  *
 803  * NOTES
 804  *  exported by ordinal.
 805  */
 806 LPITEMIDLIST WINAPI ILGetNext(LPCITEMIDLIST pidl)
 807 {
 808         WORD len;
 809
 810         TRACE("%p\n", pidl);
 811
 812         if(pidl)
 813         {
 814           len =  pidl->mkid.cb;
 815           if (len)
 816           {
 817             pidl = (LPITEMIDLIST) (((LPBYTE)pidl)+len);
 818             TRACE("-- %p\n", pidl);
 819             return (LPITEMIDLIST)pidl;
 820           }
 821         }
 822         return NULL;
 823 }
 824
 825 /*************************************************************************
 826  * ILAppend                  [SHELL32.154]
 827  *
 828  * Adds the single ItemID item to the ItemIDList indicated by pidl.
 829  * If bEnd is FALSE, inserts the item in the front of the list,
 830  * otherwise it adds the item to the end. (???)
 831  *
 832  * PARAMS
 833  *  pidl       [I]   ItemIDList to extend
 834  *  item       [I]   ItemID to prepend/append
 835  *  bEnd       [I]   Indicates if the item should be appended
 836  *
 837  * NOTES
 838  *  Destroys the passed in idlist! (???)
 839  */
 840 LPITEMIDLIST WINAPI ILAppend(LPITEMIDLIST pidl, LPCITEMIDLIST item, BOOL bEnd)
 841 {
 842         LPITEMIDLIST idlRet;
 843
 844         WARN("(pidl=%p,pidl=%p,%08u)semi-stub\n",pidl,item,bEnd);
 845
 846         pdump (pidl);
 847         pdump (item);
 848
 849         if (_ILIsDesktop(pidl))
 850         {
 851            idlRet = ILClone(item);
 852            if (pidl)
 853              SHFree (pidl);
 854            return idlRet;
 855         }
 856
 857         if (bEnd)
 858         {
 859           idlRet = ILCombine(pidl, item);
 860         }
 861         else
 862         {
 863           idlRet = ILCombine(item, pidl);
 864         }
 865
 866         SHFree(pidl);
 867         return idlRet;
 868 }
 869
 870 /*************************************************************************
 871  * ILFree                    [SHELL32.155]
 872  *
 873  * Frees memory (if not NULL) allocated by SHMalloc allocator
 874  *
 875  * PARAMS
 876  *  pidl         [I]
 877  *
 878  * NOTES
 879  *  exported by ordinal
 880  */
 881 void WINAPI ILFree(LPITEMIDLIST pidl)
 882 {
 883         TRACE("(pidl=%p)\n",pidl);
 884         if(pidl) SHFree(pidl);
 885 }
 886
 887 /*************************************************************************
 888  * ILGlobalFree              [SHELL32.156]
 889  *
 890  * Frees memory (if not NULL) allocated by Alloc allocator
 891  *
 892  * PARAMS
 893  *  pidl         [I]
 894  *
 895  * NOTES
 896  *  exported by ordinal.
 897  */
 898 void WINAPI ILGlobalFree( LPITEMIDLIST pidl)
 899 {
 900         TRACE("%p\n", pidl);
 901
 902         if(!pidl) return;
 903         Free(pidl);
 904 }
 905
 906 /*************************************************************************
 907  * ILCreateFromPathA         [SHELL32.189]
 908  *
 909  * Creates a complex ItemIDList from a path and returns it.
 910  *
 911  * PARAMS
 912  *  path         [I]
 913  *
 914  * RETURNS
 915  *  the newly created complex ItemIDList or NULL if failed
 916  *
 917  * NOTES
 918  *  exported by ordinal.
 919  */
 920
 921 LPITEMIDLIST WINAPI ILCreateFromPathA (LPCSTR path)
 922 {
 923         LPITEMIDLIST pidlnew = NULL;
 924
 925         TRACE_(shell)("%s\n", debugstr_a(path));
 926
 927         if (SUCCEEDED(SHILCreateFromPathA(path, &pidlnew, NULL)))
 928           return pidlnew;
 929         return NULL;
 930 }
 931
 932 /*************************************************************************
 933  * ILCreateFromPathW         [SHELL32.190]
 934  */
 935 LPITEMIDLIST WINAPI ILCreateFromPathW (LPCWSTR path)
 936 {
 937         LPITEMIDLIST pidlnew = NULL;
 938
 939         TRACE_(shell)("%s\n", debugstr_w(path));
 940
 941         if (SUCCEEDED(SHILCreateFromPathW(path, &pidlnew, NULL)))
 942           return pidlnew;
 943         return NULL;
 944 }
 945
 946 /*************************************************************************
 947  * ILCreateFromPath          [SHELL32.157]
 948  */
 949 LPITEMIDLIST WINAPI ILCreateFromPathAW (LPCVOID path)
 950 {
 951         if ( SHELL_OsIsUnicode())
 952           return ILCreateFromPathW (path);
 953         return ILCreateFromPathA (path);
 954 }
 955
 956 /*************************************************************************
 957  * _ILParsePathW             [internal]
 958  *
 959  * Creates an ItemIDList from a path and returns it.
 960  *
 961  * PARAMS
 962  *  path         [I]   path to parse and convert into an ItemIDList
 963  *  lpFindFile   [I]   pointer to buffer to initialize the FileSystem
 964  *                     Bind Data object with
 965  *  bBindCtx     [I]   indicates to create a BindContext and assign a
 966  *                     FileSystem Bind Data object
 967  *  ppidl        [O]   the newly create ItemIDList
 968  *  prgfInOut    [I/O] requested attributes on input and actual
 969  *                     attributes on return
 970  *
 971  * RETURNS
 972  *  NO_ERROR on success or an OLE error code
 973  *
 974  * NOTES
 975  *  If either lpFindFile is non-NULL or bBindCtx is TRUE, this function
 976  *  creates a BindContext object and assigns a FileSystem Bind Data object
 977  *  to it, passing the BindContext to IShellFolder_ParseDisplayName. Each
 978  *  IShellFolder uses that FileSystem Bind Data object of the BindContext
 979  *  to pass data about the current path element to the next object. This
 980  *  is used to avoid having to verify the current path element on disk, so
 981  *  that creating an ItemIDList from a non-existent path still can work.
 982  */
 983 static HRESULT WINAPI _ILParsePathW(LPCWSTR path, LPWIN32_FIND_DATAW lpFindFile,
 984                              BOOL bBindCtx, LPITEMIDLIST *ppidl, LPDWORD prgfInOut)
 985 {
 986         LPSHELLFOLDER pSF = NULL;
 987         LPBC pBC = NULL;
 988         HRESULT ret;
 989
 990         TRACE("%s %p %d (%p)->%p (%p)->0x%lx\n", debugstr_w(path), lpFindFile, bBindCtx,
 991                                                  ppidl, ppidl ? *ppidl : NULL,
 992                                                  prgfInOut, prgfInOut ? *prgfInOut : 0);
 993
 994         ret = SHGetDesktopFolder(&pSF);
 995         if (FAILED(ret))
 996         {
 997           return ret;
 998         }
 999
1000         if (lpFindFile || bBindCtx)
1001           ret = IFileSystemBindData_Constructor(lpFindFile, &pBC);
1002
1003         if (SUCCEEDED(ret))
1004         {
1005           ret = IShellFolder_ParseDisplayName(pSF, 0, pBC, (LPOLESTR)path, NULL, ppidl, prgfInOut);
1006         }
1007
1008         if (pBC)
1009         {
1010           IBindCtx_Release(pBC);
1011           pBC = NULL;
1012         }
1013
1014         IShellFolder_Release(pSF);
1015
1016         if (!SUCCEEDED(ret) && ppidl)
1017           *ppidl = NULL;
1018
1019         TRACE("%s %p 0x%lx\n", debugstr_w(path), ppidl ? *ppidl : NULL, prgfInOut ? *prgfInOut : 0);
1020
1021         return ret;
1022 }
1023
1024 /*************************************************************************
1025  * SHSimpleIDListFromPath    [SHELL32.162]
1026  *
1027  * Creates a simple ItemIDList from a path and returns it. This function
1028  * does not fail on non-existent paths.
1029  *
1030  * PARAMS
1031  *  path         [I]   path to parse and convert into an ItemIDList
1032  *
1033  * RETURNS
1034  *  the newly created simple ItemIDList
1035  *
1036  * NOTES
1037  *  Simple in the name does not mean a relative ItemIDList but rather a
1038  *  fully qualified list, where only the file name is filled in and the
1039  *  directory flag for those ItemID elements this is known about, eg.
1040  *  it is not the last element in the ItemIDList or the actual directory
1041  *  exists on disk.
1042  *  exported by ordinal.
1043  */
1044 LPITEMIDLIST WINAPI SHSimpleIDListFromPathA(LPCSTR lpszPath)
1045 {
1046     LPITEMIDLIST pidl = NULL;
1047     LPWSTR wPath = NULL;
1048     int len;
1049
1050     TRACE("%s\n", debugstr_a(lpszPath));
1051
1052     if (lpszPath)
1053     {
1054         len = MultiByteToWideChar(CP_ACP, 0, lpszPath, -1, NULL, 0);
1055         wPath = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
1056         MultiByteToWideChar(CP_ACP, 0, lpszPath, -1, wPath, len);
1057     }
1058
1059     _ILParsePathW(wPath, NULL, TRUE, &pidl, NULL);
1060
1061     if (wPath) HeapFree(GetProcessHeap(), 0, wPath);
1062     TRACE("%s %p\n", debugstr_a(lpszPath), pidl);
1063     return pidl;
1064 }
1065
1066 LPITEMIDLIST WINAPI SHSimpleIDListFromPathW(LPCWSTR lpszPath)
1067 {
1068         LPITEMIDLIST pidl = NULL;
1069
1070         TRACE("%s\n", debugstr_w(lpszPath));
1071
1072         _ILParsePathW(lpszPath, NULL, TRUE, &pidl, NULL);
1073         TRACE("%s %p\n", debugstr_w(lpszPath), pidl);
1074         return pidl;
1075 }
1076
1077 LPITEMIDLIST WINAPI SHSimpleIDListFromPathAW(LPCVOID lpszPath)
1078 {
1079         if ( SHELL_OsIsUnicode())
1080           return SHSimpleIDListFromPathW (lpszPath);
1081         return SHSimpleIDListFromPathA (lpszPath);
1082 }
1083
1084 /*************************************************************************
1085  * SHGetDataFromIDListA [SHELL32.247]
1086  *
1087  * NOTES
1088  *  the pidl can be a simple one. since we can't get the path out of the pidl
1089  *  we have to take all data from the pidl
1090  */
1091 HRESULT WINAPI SHGetDataFromIDListA(LPSHELLFOLDER psf, LPCITEMIDLIST pidl, int nFormat, LPVOID dest, int len)
1092 {
1093         TRACE_(shell)("sf=%p pidl=%p 0x%04x %p 0x%04x stub\n",psf,pidl,nFormat,dest,len);
1094
1095         pdump(pidl);
1096         if (!psf || !dest )  return E_INVALIDARG;
1097
1098         switch (nFormat)
1099         {
1100           case SHGDFIL_FINDDATA:
1101             {
1102                LPSTR filename, shortname;
1103                WIN32_FIND_DATAA * pfd = dest;
1104
1105                if (_ILIsDrive(pidl))
1106                    return E_INVALIDARG;
1107
1108                if (len < (int)sizeof(WIN32_FIND_DATAA)) return E_INVALIDARG;
1109
1110                ZeroMemory(pfd, sizeof (WIN32_FIND_DATAA));
1111                _ILGetFileDateTime( pidl, &(pfd->ftLastWriteTime));
1112                pfd->dwFileAttributes = _ILGetFileAttributes(pidl, NULL, 0);
1113                pfd->nFileSizeLow = _ILGetFileSize ( pidl, NULL, 0);
1114
1115                filename = _ILGetTextPointer(pidl);
1116                shortname = _ILGetSTextPointer(pidl);
1117
1118                if (filename)
1119                    lstrcpynA(pfd->cFileName, filename, MAX_PATH);
1120                else
1121                    pfd->cFileName[0] = '\0';
1122
1123                if (shortname)
1124                    lstrcpynA(pfd->cAlternateFileName, shortname, MAX_PATH);
1125                else
1126                    pfd->cAlternateFileName[0] = '\0';
1127             }
1128             return NOERROR;
1129
1130           case SHGDFIL_NETRESOURCE:
1131           case SHGDFIL_DESCRIPTIONID:
1132             FIXME_(shell)("SHGDFIL %i stub\n", nFormat);
1133             break;
1134
1135           default:
1136             ERR_(shell)("Unknown SHGDFIL %i, please report\n", nFormat);
1137         }
1138
1139         return E_INVALIDARG;
1140 }
1141
1142 /*************************************************************************
1143  * SHGetDataFromIDListW [SHELL32.248]
1144  *
1145  */
1146 HRESULT WINAPI SHGetDataFromIDListW(LPSHELLFOLDER psf, LPCITEMIDLIST pidl, int nFormat, LPVOID dest, int len)
1147 {
1148         TRACE_(shell)("sf=%p pidl=%p 0x%04x %p 0x%04x stub\n",psf,pidl,nFormat,dest,len);
1149
1150         pdump(pidl);
1151
1152         if (! psf || !dest )  return E_INVALIDARG;
1153
1154         switch (nFormat)
1155         {
1156           case SHGDFIL_FINDDATA:
1157             {
1158                LPSTR filename, shortname;
1159                WIN32_FIND_DATAW * pfd = dest;
1160
1161                if (_ILIsDrive(pidl))
1162                    return E_INVALIDARG;
1163
1164                if (len < (int)sizeof(WIN32_FIND_DATAW)) return E_INVALIDARG;
1165
1166                ZeroMemory(pfd, sizeof (WIN32_FIND_DATAA));
1167                _ILGetFileDateTime( pidl, &(pfd->ftLastWriteTime));
1168                pfd->dwFileAttributes = _ILGetFileAttributes(pidl, NULL, 0);
1169                pfd->nFileSizeLow = _ILGetFileSize ( pidl, NULL, 0);
1170
1171                filename = _ILGetTextPointer(pidl);
1172                shortname = _ILGetSTextPointer(pidl);
1173
1174                if (!filename)
1175                    pfd->cFileName[0] = '\0';
1176                else if (!MultiByteToWideChar(CP_ACP, 0, filename, -1, pfd->cFileName, MAX_PATH))
1177                    pfd->cFileName[MAX_PATH-1] = 0;
1178
1179                if (!shortname)
1180                    pfd->cAlternateFileName[0] = '\0';
1181                else if (!MultiByteToWideChar(CP_ACP, 0, shortname, -1, pfd->cAlternateFileName, 14))
1182                    pfd->cAlternateFileName[13] = 0;
1183             }
1184             return NOERROR;
1185           case SHGDFIL_NETRESOURCE:
1186           case SHGDFIL_DESCRIPTIONID:
1187             FIXME_(shell)("SHGDFIL %i stub\n", nFormat);
1188             break;
1189
1190           default:
1191             ERR_(shell)("Unknown SHGDFIL %i, please report\n", nFormat);
1192         }
1193
1194         return E_INVALIDARG;
1195 }
1196
1197 /*************************************************************************
1198  * SHELL_GetPathFromIDListA
1199  */
1200 HRESULT SHELL_GetPathFromIDListA(LPCITEMIDLIST pidl, LPSTR pszPath, UINT uOutSize)
1201 {
1202         HRESULT hr = S_OK;
1203
1204         pszPath[0]=0;
1205
1206         /* One case is a PIDL rooted at desktop level */
1207         if (_ILIsValue(pidl) || _ILIsFolder(pidl)) {
1208             hr = SHGetSpecialFolderPathA(0, pszPath, CSIDL_DESKTOP, FALSE);
1209
1210             if (SUCCEEDED(hr))
1211                 PathAddBackslashA(pszPath);
1212         }
1213         /* The only other valid case is a item ID list beginning at "My Computer" */
1214         else if (_ILIsMyComputer(pidl))
1215             pidl = ILGetNext(pidl);
1216
1217         if (SUCCEEDED(hr)) {
1218             LPSTR txt;
1219
1220             while(pidl && pidl->mkid.cb) {
1221                 if (_ILIsSpecialFolder(pidl))
1222                     {hr = E_INVALIDARG; break;}
1223
1224                 txt = _ILGetTextPointer(pidl);
1225                 if (!txt)
1226                     {hr = E_INVALIDARG; break;}
1227
1228                 if (lstrlenA(txt) > pidl->mkid.cb)
1229                     ERR("pidl %p is borked\n",pidl);
1230
1231                 /* make sure there's enough space for the next segment */
1232                 if ( (lstrlenA(txt) + lstrlenA(pszPath)) > uOutSize)
1233                     {hr = E_INVALIDARG; break;}
1234                 lstrcatA( pszPath, txt );
1235
1236                 pidl = ILGetNext(pidl);
1237                 if (!pidl)
1238                     {hr = E_INVALIDARG; break;}
1239
1240                 if (!pidl->mkid.cb) {
1241                     /* We are at the end and successfully converted the complete PIDL. */
1242                     break;
1243                 }
1244
1245                 if( (lstrlenA(pszPath) + 1) > uOutSize)
1246                     {hr = E_INVALIDARG; break;}
1247                 if (!PathAddBackslashA(pszPath))
1248                     {hr = E_INVALIDARG; break;}
1249             }
1250         } else
1251             hr = E_INVALIDARG;
1252
1253         TRACE_(shell)("-- %s, 0x%08lx\n", pszPath, hr);
1254         return hr;
1255 }
1256
1257 /*************************************************************************
1258  * SHGetPathFromIDListA         [SHELL32.@][NT 4.0: SHELL32.220]
1259  *
1260  * PARAMETERS
1261  *  pidl,   [IN] pidl
1262  *  pszPath [OUT] path
1263  *
1264  * RETURNS
1265  *  path from a passed PIDL.
1266  *
1267  * NOTES
1268  *      NULL returns FALSE
1269  *      desktop pidl gives path to desktop directory back
1270  *      special pidls returning FALSE
1271  */
1272 BOOL WINAPI SHGetPathFromIDListA(LPCITEMIDLIST pidl, LPSTR pszPath)
1273 {
1274         HRESULT hr;
1275
1276         TRACE_(shell)("(pidl=%p,%p)\n",pidl,pszPath);
1277         pdump(pidl);
1278
1279         if (!pidl)
1280             return FALSE;
1281
1282         hr = SHELL_GetPathFromIDListA(pidl, pszPath, MAX_PATH);
1283
1284         return SUCCEEDED(hr);
1285 }
1286
1287 /*************************************************************************
1288  * SHELL_GetPathFromIDListW
1289  */
1290 HRESULT SHELL_GetPathFromIDListW(LPCITEMIDLIST pidl, LPWSTR pszPath, UINT uOutSize)
1291 {
1292         HRESULT hr = S_OK;
1293         UINT len;
1294
1295         pszPath[0]=0;
1296
1297         /* One case is a PIDL rooted at desktop level */
1298         if (_ILIsValue(pidl) || _ILIsFolder(pidl)) {
1299             hr = SHGetSpecialFolderPathW(0, pszPath, CSIDL_DESKTOP, FALSE);
1300
1301             if (SUCCEEDED(hr))
1302                 PathAddBackslashW(pszPath);
1303         }
1304         /* The only other valid case is a item ID list beginning at "My Computer" */
1305         else if (_ILIsMyComputer(pidl))
1306             pidl = ILGetNext(pidl);
1307
1308         if (SUCCEEDED(hr)) {
1309             LPSTR txt;
1310
1311             while(pidl && pidl->mkid.cb) {
1312                 if (_ILIsSpecialFolder(pidl))
1313                     {hr = E_INVALIDARG; break;}
1314
1315                 txt = _ILGetTextPointer(pidl);
1316                 if (!txt)
1317                     {hr = E_INVALIDARG; break;}
1318
1319                 if (lstrlenA(txt) > pidl->mkid.cb)
1320                     ERR("pidl %p is borked\n",pidl);
1321                 len = MultiByteToWideChar(CP_ACP, 0, txt, -1, NULL, 0);
1322                 if ( (lstrlenW(pszPath) + len) > uOutSize )
1323                     {hr = E_INVALIDARG; break;}
1324
1325                 MultiByteToWideChar(CP_ACP, 0, txt, -1,
1326                                     &pszPath[lstrlenW(pszPath)], len);
1327
1328                 pidl = ILGetNext(pidl);
1329                 if (!pidl)
1330                     {hr = E_INVALIDARG; break;}
1331
1332                 if (!pidl->mkid.cb) {
1333                     /* We are at the end and successfully converted the complete PIDL. */
1334                     break;
1335                 }
1336
1337                 if ( (lstrlenW(pszPath) + 1) > uOutSize )
1338                     {hr = E_INVALIDARG; break;}
1339                 if (!PathAddBackslashW(pszPath))
1340                     {hr = E_INVALIDARG; break;}
1341             }
1342         } else
1343             hr = E_INVALIDARG;
1344
1345     TRACE_(shell)("-- %s, 0x%08lx\n", debugstr_w(pszPath), hr);
1346     return hr;
1347 }
1348
1349 /*************************************************************************
1350  * SHGetPathFromIDListW                         [SHELL32.@]
1351  */
1352 BOOL WINAPI SHGetPathFromIDListW(LPCITEMIDLIST pidl, LPWSTR pszPath)
1353 {
1354         HRESULT hr;
1355
1356         TRACE_(shell)("(pidl=%p,%p)\n", pidl, debugstr_w(pszPath));
1357         pdump(pidl);
1358
1359         if (!pidl)
1360             return FALSE;
1361
1362         hr = SHELL_GetPathFromIDListW(pidl, pszPath, MAX_PATH);
1363
1364         TRACE_(shell)("-- %s, 0x%08lx\n",debugstr_w(pszPath), hr);
1365         return SUCCEEDED(hr);
1366 }
1367
1368 /*************************************************************************
1369  * SHGetPathFromIDList          [SHELL32.@][NT 4.0: SHELL32.219]
1370  */
1371 BOOL WINAPI SHGetPathFromIDListAW(LPCITEMIDLIST pidl,LPVOID pszPath)
1372 {
1373         TRACE_(shell)("(pidl=%p,%p)\n",pidl,pszPath);
1374
1375         if (SHELL_OsIsUnicode())
1376           return SHGetPathFromIDListW(pidl,pszPath);
1377         return SHGetPathFromIDListA(pidl,pszPath);
1378 }
1379
1380 /*************************************************************************
1381  *      SHBindToParent          [shell version 5.0]
1382  */
1383 HRESULT WINAPI SHBindToParent(LPCITEMIDLIST pidl, REFIID riid, LPVOID *ppv, LPCITEMIDLIST *ppidlLast)
1384 {
1385         IShellFolder    * psf;
1386         LPITEMIDLIST    pidlChild, pidlParent;
1387         HRESULT         hr=E_FAIL;
1388
1389         TRACE_(shell)("pidl=%p\n", pidl);
1390         pdump(pidl);
1391
1392         *ppv = NULL;
1393         if (ppidlLast) *ppidlLast = NULL;
1394
1395         if (_ILIsPidlSimple(pidl))
1396         {
1397           IShellFolder* desktop;
1398
1399           /* we are on desktop level */
1400           hr = SHGetDesktopFolder(&desktop);
1401
1402           if (SUCCEEDED(hr))
1403           {
1404             hr = IShellFolder_QueryInterface(desktop, riid, ppv);
1405
1406             if (SUCCEEDED(hr) && ppidlLast)
1407               *ppidlLast = ILClone(pidl);
1408
1409             IShellFolder_Release(desktop);
1410           }
1411         }
1412         else
1413         {
1414           pidlChild =  ILClone(ILFindLastID(pidl));
1415           pidlParent = ILClone(pidl);
1416           ILRemoveLastID(pidlParent);
1417
1418           hr = SHGetDesktopFolder(&psf);
1419
1420           if (SUCCEEDED(hr))
1421             hr = IShellFolder_BindToObject(psf, pidlParent, NULL, riid, ppv);
1422
1423           if (SUCCEEDED(hr) && ppidlLast)
1424             *ppidlLast = pidlChild;
1425           else
1426             ILFree (pidlChild);
1427
1428           SHFree (pidlParent);
1429           if (psf) IShellFolder_Release(psf);
1430         }
1431
1432
1433         TRACE_(shell)("-- psf=%p pidl=%p ret=0x%08lx\n", *ppv, (ppidlLast)?*ppidlLast:NULL, hr);
1434         return hr;
1435 }
1436
1437 /**************************************************************************
1438  *
1439  *              internal functions
1440  *
1441  *      ### 1. section creating pidls ###
1442  *
1443  *************************************************************************
1444  */
1445 LPITEMIDLIST _ILAlloc(PIDLTYPE type, size_t size)
1446 {
1447     LPITEMIDLIST pidlOut = NULL;
1448
1449     if((pidlOut = SHAlloc(size + 5)))
1450     {
1451         LPPIDLDATA pData;
1452         LPITEMIDLIST pidlNext;
1453
1454         ZeroMemory(pidlOut, size + 5);
1455         pidlOut->mkid.cb = size + 3;
1456
1457         if ((pData = _ILGetDataPointer(pidlOut)))
1458             pData->type = type;
1459
1460         if ((pidlNext = ILGetNext(pidlOut)))
1461             pidlNext->mkid.cb = 0x00;
1462         TRACE("-- (pidl=%p, size=%u)\n", pidlOut, size);
1463     }
1464
1465     return pidlOut;
1466 }
1467
1468 LPITEMIDLIST _ILCreateDesktop()
1469 {
1470     LPITEMIDLIST ret;
1471
1472     TRACE("()\n");
1473     ret = SHAlloc(2);
1474     if (ret)
1475         ret->mkid.cb = 0;
1476     return ret;
1477 }
1478
1479 LPITEMIDLIST _ILCreateMyComputer()
1480 {       TRACE("()\n");
1481         return _ILCreateGuid(PT_GUID, &CLSID_MyComputer);
1482 }
1483
1484 LPITEMIDLIST _ILCreateIExplore()
1485 {       TRACE("()\n");
1486         return _ILCreateGuid(PT_GUID, &CLSID_Internet);
1487 }
1488
1489 LPITEMIDLIST _ILCreateControlPanel()
1490 {
1491     LPITEMIDLIST parent = _ILCreateGuid(PT_GUID, &CLSID_MyComputer), ret = NULL;
1492
1493     TRACE("()\n");
1494     if (parent)
1495     {
1496         LPITEMIDLIST cpl = _ILCreateGuid(PT_SHELLEXT, &CLSID_ControlPanel);
1497
1498         if (cpl)
1499         {
1500             ret = ILCombine(parent, cpl);
1501             SHFree(cpl);
1502         }
1503         SHFree(parent);
1504     }
1505     return ret;
1506 }
1507
1508 LPITEMIDLIST _ILCreatePrinters()
1509 {
1510     LPITEMIDLIST parent = _ILCreateGuid(PT_GUID, &CLSID_MyComputer), ret = NULL;
1511
1512     TRACE("()\n");
1513     if (parent)
1514     {
1515         LPITEMIDLIST printers = _ILCreateGuid(PT_YAGUID, &CLSID_Printers);
1516
1517         if (printers)
1518         {
1519             ret = ILCombine(parent, printers);
1520             SHFree(printers);
1521         }
1522         SHFree(parent);
1523     }
1524     return ret;
1525 }
1526
1527 LPITEMIDLIST _ILCreateNetwork()
1528 {       TRACE("()\n");
1529         return _ILCreateGuid(PT_GUID, &CLSID_NetworkPlaces);
1530 }
1531
1532 LPITEMIDLIST _ILCreateBitBucket()
1533 {       TRACE("()\n");
1534         return _ILCreateGuid(PT_GUID, &CLSID_RecycleBin);
1535 }
1536
1537 LPITEMIDLIST _ILCreateGuid(PIDLTYPE type, REFIID guid)
1538 {
1539     LPITEMIDLIST pidlOut;
1540
1541     if (type == PT_SHELLEXT || type == PT_GUID || type == PT_YAGUID)
1542     {
1543         pidlOut = _ILAlloc(type, sizeof(GUIDStruct));
1544         if (pidlOut)
1545         {
1546             LPPIDLDATA pData = _ILGetDataPointer(pidlOut);
1547
1548             memcpy(&(pData->u.guid.guid), guid, sizeof(GUID));
1549             TRACE("-- create GUID-pidl %s\n",
1550              debugstr_guid(&(pData->u.guid.guid)));
1551         }
1552     }
1553     else
1554     {
1555         WARN("%d: invalid type for GUID\n", type);
1556         pidlOut = NULL;
1557     }
1558     return pidlOut;
1559 }
1560
1561 LPITEMIDLIST _ILCreateGuidFromStrA(LPCSTR szGUID)
1562 {
1563         IID iid;
1564
1565         if (!SUCCEEDED(SHCLSIDFromStringA(szGUID, &iid)))
1566         {
1567           ERR("%s is not a GUID\n", szGUID);
1568           return NULL;
1569         }
1570         return _ILCreateGuid(PT_GUID, &iid);
1571 }
1572
1573 LPITEMIDLIST _ILCreateFromFindDataA(WIN32_FIND_DATAA * stffile )
1574 {
1575     char        buff[MAX_PATH + 14 +1]; /* see WIN32_FIND_DATA */
1576     char *      pbuff = buff;
1577     size_t      len, len1;
1578     LPITEMIDLIST pidl;
1579     PIDLTYPE type;
1580
1581     if (!stffile)
1582         return NULL;
1583
1584     TRACE("(%s, %s)\n",stffile->cAlternateFileName, stffile->cFileName);
1585
1586     /* prepare buffer with both names */
1587     len = strlen (stffile->cFileName) + 1;
1588     memcpy (pbuff, stffile->cFileName, len);
1589     pbuff += len;
1590
1591     len1 = strlen (stffile->cAlternateFileName)+1;
1592     memcpy (pbuff, stffile->cAlternateFileName, len1);
1593
1594     type = (stffile->dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) ? PT_FOLDER :
1595      PT_VALUE;
1596     /* FileStruct already has one byte for the first name, so use len - 1 in
1597      * size calculation
1598      */
1599     if ((pidl = _ILAlloc(type, sizeof(FileStruct) + (len - 1) + len1)))
1600     {
1601         LPPIDLDATA pData;
1602         LPSTR pszDest;
1603
1604         /* set attributes */
1605         if ((pData = _ILGetDataPointer(pidl)))
1606         {
1607             pData->type = type;
1608             FileTimeToDosDateTime(&(stffile->ftLastWriteTime),&pData->u.file.uFileDate,&pData->u.file.uFileTime);
1609             pData->u.file.dwFileSize = stffile->nFileSizeLow;
1610             pData->u.file.uFileAttribs = (WORD)stffile->dwFileAttributes;
1611         }
1612         if ((pszDest = _ILGetTextPointer(pidl)))
1613         {
1614             memcpy(pszDest, buff, len + len1);
1615             TRACE("-- create Value: %s\n",debugstr_a(pszDest));
1616         }
1617     }
1618     return pidl;
1619 }
1620
1621 HRESULT _ILCreateFromPathA(LPCSTR szPath, LPITEMIDLIST* ppidl)
1622 {
1623         HANDLE hFile;
1624         WIN32_FIND_DATAA stffile;
1625
1626     if (!ppidl)
1627         return E_INVALIDARG;
1628
1629         hFile = FindFirstFileA(szPath, &stffile);
1630
1631         if (hFile == INVALID_HANDLE_VALUE)
1632                 return HRESULT_FROM_WIN32(ERROR_FILE_NOT_FOUND);
1633
1634         FindClose(hFile);
1635
1636         *ppidl = _ILCreateFromFindDataA(&stffile);
1637
1638         return *ppidl ? S_OK : E_OUTOFMEMORY;
1639 }
1640
1641 LPITEMIDLIST _ILCreateDrive(LPCWSTR lpszNew)
1642 {
1643     WCHAR sTemp[4];
1644     LPITEMIDLIST pidlOut;
1645
1646     sTemp[0]=toupperW(lpszNew[0]);
1647     sTemp[1]=':';
1648     sTemp[2]='\\';
1649     sTemp[3]=0x00;
1650     TRACE("(%s)\n",debugstr_w(sTemp));
1651
1652     if ((pidlOut = _ILAlloc(PT_DRIVE, sizeof(DriveStruct))))
1653     {
1654         LPSTR pszDest;
1655
1656         if ((pszDest = _ILGetTextPointer(pidlOut)))
1657         {
1658             WideCharToMultiByte(CP_ACP, 0, sTemp, sizeof(sTemp)/sizeof(WCHAR), pszDest, sizeof(sTemp)/sizeof(WCHAR), NULL, NULL);
1659             TRACE("-- create Drive: %s\n", debugstr_a(pszDest));
1660         }
1661     }
1662     return pidlOut;
1663 }
1664
1665 /**************************************************************************
1666  *  _ILGetDrive()
1667  *
1668  *  Gets the text for the drive eg. 'c:\'
1669  *
1670  * RETURNS
1671  *  strlen (lpszText)
1672  */
1673 DWORD _ILGetDrive(LPCITEMIDLIST pidl,LPSTR pOut, UINT uSize)
1674 {       TRACE("(%p,%p,%u)\n",pidl,pOut,uSize);
1675
1676         if(_ILIsMyComputer(pidl))
1677           pidl = ILGetNext(pidl);
1678
1679         if (pidl && _ILIsDrive(pidl))
1680           return _ILSimpleGetText(pidl, pOut, uSize);
1681
1682         return 0;
1683 }
1684
1685 /**************************************************************************
1686  *
1687  *      ### 2. section testing pidls ###
1688  *
1689  **************************************************************************
1690  *  _ILIsDesktop()
1691  *  _ILIsMyComputer()
1692  *  _ILIsSpecialFolder()
1693  *  _ILIsDrive()
1694  *  _ILIsFolder()
1695  *  _ILIsValue()
1696  *  _ILIsPidlSimple()
1697  */
1698 BOOL _ILIsDesktop(LPCITEMIDLIST pidl)
1699 {       TRACE("(%p)\n",pidl);
1700         return pidl && pidl->mkid.cb  ? 0 : 1;
1701 }
1702
1703 BOOL _ILIsMyComputer(LPCITEMIDLIST pidl)
1704 {
1705         REFIID iid = _ILGetGUIDPointer(pidl);
1706
1707         TRACE("(%p)\n",pidl);
1708
1709         if (iid)
1710           return IsEqualIID(iid, &CLSID_MyComputer);
1711         return FALSE;
1712 }
1713
1714 BOOL _ILIsSpecialFolder (LPCITEMIDLIST pidl)
1715 {
1716         LPPIDLDATA lpPData = _ILGetDataPointer(pidl);
1717         TRACE("(%p)\n",pidl);
1718         return (pidl && ( (lpPData && (PT_GUID== lpPData->type || PT_SHELLEXT== lpPData->type)) ||
1719                           (pidl && pidl->mkid.cb == 0x00)
1720                         ));
1721 }
1722
1723 BOOL _ILIsDrive(LPCITEMIDLIST pidl)
1724 {       LPPIDLDATA lpPData = _ILGetDataPointer(pidl);
1725         TRACE("(%p)\n",pidl);
1726         return (pidl && lpPData && (PT_DRIVE == lpPData->type ||
1727                                     PT_DRIVE1 == lpPData->type ||
1728                                     PT_DRIVE2 == lpPData->type ||
1729                                     PT_DRIVE3 == lpPData->type));
1730 }
1731
1732 BOOL _ILIsFolder(LPCITEMIDLIST pidl)
1733 {       LPPIDLDATA lpPData = _ILGetDataPointer(pidl);
1734         TRACE("(%p)\n",pidl);
1735         return (pidl && lpPData && (PT_FOLDER == lpPData->type || PT_FOLDER1 == lpPData->type));
1736 }
1737
1738 BOOL _ILIsValue(LPCITEMIDLIST pidl)
1739 {       LPPIDLDATA lpPData = _ILGetDataPointer(pidl);
1740         TRACE("(%p)\n",pidl);
1741         return (pidl && lpPData && PT_VALUE == lpPData->type);
1742 }
1743
1744 BOOL _ILIsCPanelStruct(LPCITEMIDLIST pidl)
1745 {       LPPIDLDATA lpPData = _ILGetDataPointer(pidl);
1746         TRACE("(%p)\n",pidl);
1747         return (pidl && lpPData && (lpPData->type == 0));
1748 }
1749
1750 /**************************************************************************
1751  *      _ILIsPidlSimple
1752  */
1753 BOOL _ILIsPidlSimple ( LPCITEMIDLIST pidl)
1754 {
1755         BOOL ret = TRUE;
1756
1757         if(! _ILIsDesktop(pidl))        /* pidl=NULL or mkid.cb=0 */
1758         {
1759           WORD len = pidl->mkid.cb;
1760           LPCITEMIDLIST pidlnext = (LPCITEMIDLIST) (((LPBYTE)pidl) + len );
1761           if (pidlnext->mkid.cb)
1762             ret = FALSE;
1763         }
1764
1765         TRACE("%s\n", ret ? "Yes" : "No");
1766         return ret;
1767 }
1768
1769 /**************************************************************************
1770  *
1771  *      ### 3. section getting values from pidls ###
1772  */
1773
1774  /**************************************************************************
1775  *  _ILSimpleGetText
1776  *
1777  * gets the text for the first item in the pidl (eg. simple pidl)
1778  *
1779  * returns the length of the string
1780  */
1781 DWORD _ILSimpleGetText (LPCITEMIDLIST pidl, LPSTR szOut, UINT uOutSize)
1782 {
1783         DWORD           dwReturn=0;
1784         LPSTR           szSrc;
1785         GUID const *    riid;
1786         char szTemp[MAX_PATH];
1787
1788         TRACE("(%p %p %x)\n",pidl,szOut,uOutSize);
1789
1790         if (!pidl) return 0;
1791
1792         if (szOut)
1793           *szOut = 0;
1794
1795         if (_ILIsDesktop(pidl))
1796         {
1797          /* desktop */
1798           if (HCR_GetClassNameA(&CLSID_ShellDesktop, szTemp, MAX_PATH))
1799           {
1800             if (szOut)
1801               lstrcpynA(szOut, szTemp, uOutSize);
1802
1803             dwReturn = strlen (szTemp);
1804           }
1805         }
1806         else if (( szSrc = _ILGetTextPointer(pidl) ))
1807         {
1808           /* filesystem */
1809           if (szOut)
1810             lstrcpynA(szOut, szSrc, uOutSize);
1811
1812           dwReturn = strlen(szSrc);
1813         }
1814         else if (( riid = _ILGetGUIDPointer(pidl) ))
1815         {
1816           /* special folder */
1817           if ( HCR_GetClassNameA(riid, szTemp, MAX_PATH) )
1818           {
1819             if (szOut)
1820               lstrcpynA(szOut, szTemp, uOutSize);
1821
1822             dwReturn = strlen (szTemp);
1823           }
1824         }
1825         else
1826         {
1827           ERR("-- no text\n");
1828         }
1829
1830         TRACE("-- (%p=%s 0x%08lx)\n",szOut,debugstr_a(szOut),dwReturn);
1831         return dwReturn;
1832 }
1833
1834  /**************************************************************************
1835  *  _ILSimpleGetTextW
1836  *
1837  * gets the text for the first item in the pidl (eg. simple pidl)
1838  *
1839  * returns the length of the string
1840  */
1841 DWORD _ILSimpleGetTextW (LPCITEMIDLIST pidl, LPWSTR szOut, UINT uOutSize)
1842 {
1843         DWORD   dwReturn;
1844         char    szTemp[MAX_PATH];
1845
1846         TRACE("(%p %p %x)\n",pidl,szOut,uOutSize);
1847
1848         dwReturn = _ILSimpleGetText(pidl, szTemp, uOutSize);
1849
1850         if (!MultiByteToWideChar(CP_ACP, 0, szTemp, -1, szOut, MAX_PATH))
1851                 *szOut = 0;
1852
1853         TRACE("-- (%p=%s 0x%08lx)\n",szOut,debugstr_w(szOut),dwReturn);
1854         return dwReturn;
1855 }
1856
1857 /**************************************************************************
1858  *
1859  *      ### 4. getting pointers to parts of pidls ###
1860  *
1861  **************************************************************************
1862  *  _ILGetDataPointer()
1863  */
1864 LPPIDLDATA _ILGetDataPointer(LPCITEMIDLIST pidl)
1865 {
1866         if(pidl && pidl->mkid.cb != 0x00)
1867           return (LPPIDLDATA) &(pidl->mkid.abID);
1868         return NULL;
1869 }
1870
1871 /**************************************************************************
1872  *  _ILGetTextPointer()
1873  * gets a pointer to the long filename string stored in the pidl
1874  */
1875 LPSTR _ILGetTextPointer(LPCITEMIDLIST pidl)
1876 {/*     TRACE(pidl,"(pidl%p)\n", pidl);*/
1877
1878         LPPIDLDATA pdata = _ILGetDataPointer(pidl);
1879
1880         if (pdata)
1881         {
1882           switch (pdata->type)
1883           {
1884             case PT_GUID:
1885             case PT_SHELLEXT:
1886             case PT_YAGUID:
1887               return NULL;
1888
1889             case PT_DRIVE:
1890             case PT_DRIVE1:
1891             case PT_DRIVE2:
1892             case PT_DRIVE3:
1893               return (LPSTR)&(pdata->u.drive.szDriveName);
1894
1895             case PT_FOLDER:
1896             case PT_FOLDER1:
1897             case PT_VALUE:
1898             case PT_IESPECIAL1:
1899             case PT_IESPECIAL2:
1900               return (LPSTR)&(pdata->u.file.szNames);
1901
1902             case PT_WORKGRP:
1903             case PT_COMP:
1904             case PT_NETWORK:
1905             case PT_NETPROVIDER:
1906             case PT_SHARE:
1907               return (LPSTR)&(pdata->u.network.szNames);
1908           }
1909         }
1910         return NULL;
1911 }
1912
1913 /**************************************************************************
1914  *  _ILGetSTextPointer()
1915  * gets a pointer to the short filename string stored in the pidl
1916  */
1917 LPSTR _ILGetSTextPointer(LPCITEMIDLIST pidl)
1918 {/*     TRACE(pidl,"(pidl%p)\n", pidl);*/
1919
1920         LPPIDLDATA pdata =_ILGetDataPointer(pidl);
1921
1922         if (pdata)
1923         {
1924           switch (pdata->type)
1925           {
1926             case PT_FOLDER:
1927             case PT_VALUE:
1928             case PT_IESPECIAL1:
1929             case PT_IESPECIAL2:
1930               return (LPSTR)(pdata->u.file.szNames + strlen (pdata->u.file.szNames) + 1);
1931
1932             case PT_WORKGRP:
1933               return (LPSTR)(pdata->u.network.szNames + strlen (pdata->u.network.szNames) + 1);
1934           }
1935         }
1936         return NULL;
1937 }
1938
1939 /**************************************************************************
1940  * _ILGetGUIDPointer()
1941  *
1942  * returns reference to guid stored in some pidls
1943  */
1944 IID* _ILGetGUIDPointer(LPCITEMIDLIST pidl)
1945 {
1946         LPPIDLDATA pdata =_ILGetDataPointer(pidl);
1947
1948         TRACE("%p\n", pidl);
1949
1950         if (pdata)
1951         {
1952           TRACE("pdata->type 0x%04x\n", pdata->type);
1953           switch (pdata->type)
1954           {
1955             case PT_SHELLEXT:
1956             case PT_GUID:
1957               return &(pdata->u.guid.guid);
1958
1959             default:
1960                 TRACE("Unknown pidl type 0x%04x\n", pdata->type);
1961                 break;
1962           }
1963         }
1964         return NULL;
1965 }
1966
1967 /*************************************************************************
1968  * _ILGetFileDateTime
1969  *
1970  * Given the ItemIdList, get the FileTime
1971  *
1972  * PARAMS
1973  *      pidl        [I] The ItemIDList
1974  *      pFt         [I] the resulted FILETIME of the file
1975  *
1976  * RETURNS
1977  *     True if Successful
1978  *
1979  * NOTES
1980  *
1981  */
1982 BOOL _ILGetFileDateTime(LPCITEMIDLIST pidl, FILETIME *pFt)
1983 {
1984     LPPIDLDATA pdata = _ILGetDataPointer(pidl);
1985
1986     if(! pdata) return FALSE;
1987
1988     switch (pdata->type)
1989     {
1990         case PT_FOLDER:
1991         case PT_VALUE:
1992             DosDateTimeToFileTime(pdata->u.file.uFileDate, pdata->u.file.uFileTime, pFt);
1993             break;
1994         default:
1995             return FALSE;
1996     }
1997     return TRUE;
1998 }
1999
2000 BOOL _ILGetFileDate (LPCITEMIDLIST pidl, LPSTR pOut, UINT uOutSize)
2001 {
2002         FILETIME ft,lft;
2003         SYSTEMTIME time;
2004         BOOL ret;
2005
2006         if (_ILGetFileDateTime( pidl, &ft )) {
2007             FileTimeToLocalFileTime(&ft, &lft);
2008             FileTimeToSystemTime (&lft, &time);
2009             ret = GetDateFormatA(LOCALE_USER_DEFAULT,DATE_SHORTDATE,&time, NULL,  pOut, uOutSize);
2010         } else {
2011             pOut[0] = '\0';
2012             ret = FALSE;
2013         }
2014         return ret;
2015
2016 }
2017
2018 /*************************************************************************
2019  * _ILGetFileSize
2020  *
2021  * Given the ItemIdList, get the FileSize
2022  *
2023  * PARAMS
2024  *      pidl    [I] The ItemIDList
2025  *      pOut    [I] The buffer to save the result
2026  *      uOutsize [I] The size of the buffer
2027  *
2028  * RETURNS
2029  *     The FileSize
2030  *
2031  * NOTES
2032  *      pOut can be null when no string is needed
2033  *
2034  */
2035 DWORD _ILGetFileSize (LPCITEMIDLIST pidl, LPSTR pOut, UINT uOutSize)
2036 {
2037         LPPIDLDATA pdata = _ILGetDataPointer(pidl);
2038         DWORD dwSize;
2039
2040         if(! pdata) return 0;
2041
2042         switch (pdata->type)
2043         {
2044           case PT_VALUE:
2045             dwSize = pdata->u.file.dwFileSize;
2046             if (pOut) StrFormatByteSizeA(dwSize, pOut, uOutSize);
2047             return dwSize;
2048         }
2049         if (pOut) *pOut = 0x00;
2050         return 0;
2051 }
2052
2053 BOOL _ILGetExtension (LPCITEMIDLIST pidl, LPSTR pOut, UINT uOutSize)
2054 {
2055         char szTemp[MAX_PATH];
2056         const char * pPoint;
2057         LPCITEMIDLIST  pidlTemp=pidl;
2058
2059         TRACE("pidl=%p\n",pidl);
2060
2061         if (!pidl) return FALSE;
2062
2063         pidlTemp = ILFindLastID(pidl);
2064
2065         if (!_ILIsValue(pidlTemp)) return FALSE;
2066         if (!_ILSimpleGetText(pidlTemp, szTemp, MAX_PATH)) return FALSE;
2067
2068         pPoint = PathFindExtensionA(szTemp);
2069
2070         if (! *pPoint) return FALSE;
2071
2072         pPoint++;
2073         lstrcpynA(pOut, pPoint, uOutSize);
2074         TRACE("%s\n",pOut);
2075
2076         return TRUE;
2077 }
2078
2079 /*************************************************************************
2080  * _ILGetFileType
2081  *
2082  * Given the ItemIdList, get the file type description
2083  *
2084  * PARAMS
2085  *      pidl        [I] The ItemIDList (simple)
2086  *      pOut        [I] The buffer to save the result
2087  *      uOutsize    [I] The size of the buffer
2088  *
2089  * RETURNS
2090  *      nothing
2091  *
2092  * NOTES
2093  *      This function copies as much as possible into the buffer.
2094  */
2095 void _ILGetFileType(LPCITEMIDLIST pidl, LPSTR pOut, UINT uOutSize)
2096 {
2097         if(_ILIsValue(pidl))
2098         {
2099           char sTemp[64];
2100           if(uOutSize > 0)
2101           {
2102             pOut[0] = 0;
2103           }
2104           if (_ILGetExtension (pidl, sTemp, 64))
2105           {
2106             if (!( HCR_MapTypeToValueA(sTemp, sTemp, 64, TRUE)
2107                 && HCR_MapTypeToValueA(sTemp, pOut, uOutSize, FALSE )))
2108             {
2109               lstrcpynA (pOut, sTemp, uOutSize - 6);
2110               strcat (pOut, "-file");
2111             }
2112           }
2113         }
2114         else
2115         {
2116           lstrcpynA(pOut, "Folder", uOutSize);
2117         }
2118 }
2119
2120 /*************************************************************************
2121  * _ILGetFileAttributes
2122  *
2123  * Given the ItemIdList, get the Attrib string format
2124  *
2125  * PARAMS
2126  *      pidl        [I] The ItemIDList
2127  *      pOut        [I] The buffer to save the result
2128  *      uOutsize    [I] The size of the Buffer
2129  *
2130  * RETURNS
2131  *     Attributes
2132  *
2133  * FIXME
2134  *  return value 0 in case of error is a valid return value
2135  *
2136  */
2137 DWORD _ILGetFileAttributes(LPCITEMIDLIST pidl, LPSTR pOut, UINT uOutSize)
2138 {
2139         LPPIDLDATA pData = _ILGetDataPointer(pidl);
2140         WORD wAttrib = 0;
2141         int i;
2142
2143         if(! pData) return 0;
2144
2145         switch(pData->type)
2146         {
2147           case PT_FOLDER:
2148           case PT_VALUE:
2149             wAttrib = pData->u.file.uFileAttribs;
2150             break;
2151         }
2152
2153         if(uOutSize >= 6)
2154         {
2155           i=0;
2156           if(wAttrib & FILE_ATTRIBUTE_READONLY)
2157           {
2158             pOut[i++] = 'R';
2159           }
2160           if(wAttrib & FILE_ATTRIBUTE_HIDDEN)
2161           {
2162             pOut[i++] = 'H';
2163           }
2164           if(wAttrib & FILE_ATTRIBUTE_SYSTEM)
2165           {
2166             pOut[i++] = 'S';
2167           }
2168           if(wAttrib & FILE_ATTRIBUTE_ARCHIVE)
2169           {
2170             pOut[i++] = 'A';
2171           }
2172           if(wAttrib & FILE_ATTRIBUTE_COMPRESSED)
2173           {
2174             pOut[i++] = 'C';
2175           }
2176           pOut[i] = 0x00;
2177         }
2178         return wAttrib;
2179 }
2180
2181 /*************************************************************************
2182 * ILFreeaPidl
2183 *
2184 * free a aPidl struct
2185 */
2186 void _ILFreeaPidl(LPITEMIDLIST * apidl, UINT cidl)
2187 {
2188         UINT   i;
2189
2190         if (apidl)
2191         {
2192           for (i = 0; i < cidl; i++) SHFree(apidl[i]);
2193           SHFree(apidl);
2194         }
2195 }
2196
2197 /*************************************************************************
2198 * ILCopyaPidl
2199 *
2200 * copies an aPidl struct
2201 */
2202 LPITEMIDLIST* _ILCopyaPidl(LPCITEMIDLIST * apidlsrc, UINT cidl)
2203 {
2204         UINT i;
2205         LPITEMIDLIST * apidldest = (LPITEMIDLIST*)SHAlloc(cidl * sizeof(LPITEMIDLIST));
2206         if(!apidlsrc) return NULL;
2207
2208         for (i = 0; i < cidl; i++)
2209           apidldest[i] = ILClone(apidlsrc[i]);
2210
2211         return apidldest;
2212 }
2213
2214 /*************************************************************************
2215 * _ILCopyCidaToaPidl
2216 *
2217 * creates aPidl from CIDA
2218 */
2219 LPITEMIDLIST* _ILCopyCidaToaPidl(LPITEMIDLIST* pidl, LPIDA cida)
2220 {
2221         UINT i;
2222         LPITEMIDLIST * dst = (LPITEMIDLIST*)SHAlloc(cida->cidl * sizeof(LPITEMIDLIST));
2223
2224         if(!dst) return NULL;
2225
2226         if (pidl)
2227           *pidl = ILClone((LPITEMIDLIST)(&((LPBYTE)cida)[cida->aoffset[0]]));
2228
2229         for (i = 0; i < cida->cidl; i++)
2230           dst[i] = ILClone((LPITEMIDLIST)(&((LPBYTE)cida)[cida->aoffset[i + 1]]));
2231
2232         return dst;
2233 }