/* * pidl Handling * * Copyright 1998 Juergen Schmied * * NOTES * a pidl == NULL means desktop and is legal * */ #include #include #include #include "winbase.h" #include "winreg.h" #include "shlguid.h" #include "winerror.h" #include "winnls.h" #include "undocshell.h" #include "shell32_main.h" #include "shellapi.h" #include "shlwapi.h" #include "pidl.h" #include "debugtools.h" DEFAULT_DEBUG_CHANNEL(pidl); DECLARE_DEBUG_CHANNEL(shell); void pdump (LPCITEMIDLIST pidl) { LPITEMIDLIST pidltemp = pidl; if (!TRACE_ON(pidl)) return; if (! pidltemp) { MESSAGE ("-------- pidl=NULL (Desktop)\n"); } else { MESSAGE ("-------- pidl=%p\n", pidl); if (pidltemp->mkid.cb) { do { DWORD dwAttrib = 0; LPPIDLDATA pData = _ILGetDataPointer(pidltemp); DWORD type = pData->type; LPSTR szLongName = _ILGetTextPointer(pidltemp); LPSTR szShortName = _ILGetSTextPointer(pidltemp); char szName[MAX_PATH]; _ILSimpleGetText(pidltemp, szName, MAX_PATH); if( PT_FOLDER == type) dwAttrib = pData->u.folder.uFileAttribs; else if( PT_VALUE == type) dwAttrib = pData->u.file.uFileAttribs; MESSAGE ("-- pidl=%p size=%u type=%lx attr=0x%08lx name=%s (%s,%s)\n", pidltemp, pidltemp->mkid.cb,type,dwAttrib,szName,debugstr_a(szLongName), debugstr_a(szShortName)); pidltemp = ILGetNext(pidltemp); } while (pidltemp->mkid.cb); } else { MESSAGE ("empty pidl (Desktop)\n"); } pcheck(pidl); } } #define BYTES_PRINTED 32 BOOL pcheck (LPCITEMIDLIST pidl) { DWORD type, ret=TRUE; LPITEMIDLIST pidltemp = pidl; if (pidltemp && pidltemp->mkid.cb) { do { type = _ILGetDataPointer(pidltemp)->type; switch (type) { case PT_DESKTOP: case PT_MYCOMP: case PT_SPECIAL: case PT_DRIVE: case PT_DRIVE1: case PT_DRIVE2: case PT_DRIVE3: case PT_FOLDER: case PT_VALUE: case PT_FOLDER1: case PT_WORKGRP: case PT_COMP: case PT_NETWORK: case PT_IESPECIAL1: case PT_IESPECIAL2: case PT_SHARE: break; default: { char szTemp[BYTES_PRINTED*4 + 1]; int i; unsigned char c; memset(szTemp, ' ', BYTES_PRINTED*4 + 1); for ( i = 0; (imkid.cb) && (i>4)>9)? (c>>4)+55 : (c>>4)+48; szTemp[i*3+1] = ((0x0F&c)>9)? (0x0F&c)+55 : (0x0F&c)+48; szTemp[i*3+2] = ' '; szTemp[i+BYTES_PRINTED*3] = (c>=0x20 && c <=0x80) ? c : '.'; } szTemp[BYTES_PRINTED*4] = 0x00; ERR("unknown IDLIST type size=%u type=%lx\n%s\n",pidltemp->mkid.cb,type, szTemp); ret = FALSE; } } pidltemp = ILGetNext(pidltemp); } while (pidltemp->mkid.cb); } return ret; } /************************************************************************* * ILGetDisplayName [SHELL32.15] */ BOOL WINAPI ILGetDisplayName(LPCITEMIDLIST pidl,LPSTR path) { TRACE_(shell)("pidl=%p %p semi-stub\n",pidl,path); return SHGetPathFromIDListA(pidl, path); } /************************************************************************* * ILFindLastID [SHELL32.16] * * NOTES * observed: pidl=Desktop return=pidl */ LPITEMIDLIST WINAPI ILFindLastID(LPITEMIDLIST pidl) { LPITEMIDLIST pidlLast = pidl; TRACE("(pidl=%p)\n",pidl); while (pidl->mkid.cb) { pidlLast = pidl; pidl = ILGetNext(pidl); } return pidlLast; } /************************************************************************* * ILRemoveLastID [SHELL32.17] * * NOTES * when pidl=Desktop return=FALSE */ BOOL WINAPI ILRemoveLastID(LPCITEMIDLIST pidl) { TRACE_(shell)("pidl=%p\n",pidl); if (!pidl || !pidl->mkid.cb) return 0; ILFindLastID(pidl)->mkid.cb = 0; return 1; } /************************************************************************* * ILClone [SHELL32.18] * * NOTES * dupicate an idlist */ LPITEMIDLIST WINAPI ILClone (LPCITEMIDLIST pidl) { DWORD len; LPITEMIDLIST newpidl; if (!pidl) return NULL; len = ILGetSize(pidl); newpidl = (LPITEMIDLIST)SHAlloc(len); if (newpidl) memcpy(newpidl,pidl,len); TRACE("pidl=%p newpidl=%p\n",pidl, newpidl); pdump(pidl); return newpidl; } /************************************************************************* * ILCloneFirst [SHELL32.19] * * NOTES * duplicates the first idlist of a complex pidl */ LPITEMIDLIST WINAPI ILCloneFirst(LPCITEMIDLIST pidl) { DWORD len; LPITEMIDLIST pidlNew = NULL; TRACE("pidl=%p \n",pidl); pdump(pidl); if (pidl) { len = pidl->mkid.cb; pidlNew = (LPITEMIDLIST) SHAlloc (len+2); if (pidlNew) { memcpy(pidlNew,pidl,len+2); /* 2 -> mind a desktop pidl */ if (len) ILGetNext(pidlNew)->mkid.cb = 0x00; } } TRACE("-- newpidl=%p\n",pidlNew); return pidlNew; } /************************************************************************* * ILLoadFromStream (SHELL32.26) * * NOTES * the first two bytes are the len, the pidl is following then */ HRESULT WINAPI ILLoadFromStream (IStream * pStream, LPITEMIDLIST * ppPidl) { WORD wLen = 0; DWORD dwBytesRead; HRESULT ret = E_FAIL; TRACE_(shell)("%p %p\n", pStream , ppPidl); if (*ppPidl) { SHFree(*ppPidl); *ppPidl = NULL; } IStream_AddRef (pStream); if (SUCCEEDED(IStream_Read(pStream, (LPVOID)&wLen, 2, &dwBytesRead))) { *ppPidl = SHAlloc (wLen); if (SUCCEEDED(IStream_Read(pStream, *ppPidl , wLen, &dwBytesRead))) { ret = S_OK; } else { SHFree(*ppPidl); *ppPidl = NULL; } } /* we are not yet fully compatible */ if (!pcheck(*ppPidl)) { SHFree(*ppPidl); *ppPidl = NULL; } IStream_Release (pStream); return ret; } /************************************************************************* * ILSaveToStream (SHELL32.27) * * NOTES * the first two bytes are the len, the pidl is following then */ HRESULT WINAPI ILSaveToStream (IStream * pStream, LPCITEMIDLIST pPidl) { LPITEMIDLIST pidl; WORD wLen = 0; HRESULT ret = E_FAIL; TRACE_(shell)("%p %p\n", pStream, pPidl); IStream_AddRef (pStream); pidl = pPidl; while (pidl->mkid.cb) { wLen += sizeof(WORD) + pidl->mkid.cb; pidl = ILGetNext(pidl); } if (SUCCEEDED(IStream_Write(pStream, (LPVOID)&wLen, 2, NULL))) { if (SUCCEEDED(IStream_Write(pStream, pPidl, wLen, NULL))) { ret = S_OK; } } IStream_Release (pStream); return ret; } /************************************************************************* * SHILCreateFromPath [SHELL32.28] * * NOTES * wraper for IShellFolder::ParseDisplayName() */ HRESULT WINAPI SHILCreateFromPathA (LPCSTR path, LPITEMIDLIST * ppidl, DWORD * attributes) { LPSHELLFOLDER sf; WCHAR lpszDisplayName[MAX_PATH]; DWORD pchEaten; HRESULT ret = E_FAIL; TRACE_(shell)("%s %p 0x%08lx\n",path,ppidl,attributes?*attributes:0); if (!MultiByteToWideChar( CP_ACP, 0, path, -1, lpszDisplayName, MAX_PATH )) lpszDisplayName[MAX_PATH-1] = 0; if (SUCCEEDED (SHGetDesktopFolder(&sf))) { ret = IShellFolder_ParseDisplayName(sf,0, NULL,lpszDisplayName,&pchEaten,ppidl,attributes); IShellFolder_Release(sf); } return ret; } HRESULT WINAPI SHILCreateFromPathW (LPCWSTR path, LPITEMIDLIST * ppidl, DWORD * attributes) { LPSHELLFOLDER sf; DWORD pchEaten; HRESULT ret = E_FAIL; TRACE_(shell)("%s %p 0x%08lx\n",debugstr_w(path),ppidl,attributes?*attributes:0); if (SUCCEEDED (SHGetDesktopFolder(&sf))) { ret = IShellFolder_ParseDisplayName(sf,0, NULL, (LPWSTR) path, &pchEaten, ppidl, attributes); IShellFolder_Release(sf); } return ret; } HRESULT WINAPI SHILCreateFromPathAW (LPCVOID path, LPITEMIDLIST * ppidl, DWORD * attributes) { if ( SHELL_OsIsUnicode()) return SHILCreateFromPathW (path, ppidl, attributes); return SHILCreateFromPathA (path, ppidl, attributes); } /************************************************************************* * SHCloneSpecialIDList [SHELL32.89] * * PARAMETERS * hwndOwner [in] * nFolder [in] CSIDL_xxxxx ?? * * RETURNS * pidl ?? * NOTES * exported by ordinal */ LPITEMIDLIST WINAPI SHCloneSpecialIDList(HWND hwndOwner,DWORD nFolder,DWORD x3) { LPITEMIDLIST ppidl; WARN_(shell)("(hwnd=0x%x,csidl=0x%lx,0x%lx):semi-stub.\n", hwndOwner,nFolder,x3); SHGetSpecialFolderLocation(hwndOwner, nFolder, &ppidl); return ppidl; } /************************************************************************* * ILGlobalClone [SHELL32.20] * */ LPITEMIDLIST WINAPI ILGlobalClone(LPCITEMIDLIST pidl) { DWORD len; LPITEMIDLIST newpidl; if (!pidl) return NULL; len = ILGetSize(pidl); newpidl = (LPITEMIDLIST)pCOMCTL32_Alloc(len); if (newpidl) memcpy(newpidl,pidl,len); TRACE("pidl=%p newpidl=%p\n",pidl, newpidl); pdump(pidl); return newpidl; } /************************************************************************* * ILIsEqual [SHELL32.21] * */ BOOL WINAPI ILIsEqual(LPCITEMIDLIST pidl1, LPCITEMIDLIST pidl2) { char szData1[MAX_PATH]; char szData2[MAX_PATH]; LPITEMIDLIST pidltemp1 = pidl1; LPITEMIDLIST pidltemp2 = pidl2; TRACE("pidl1=%p pidl2=%p\n",pidl1, pidl2); /* explorer reads from registry directly (StreamMRU), so we can only check here */ if ((!pcheck (pidl1)) || (!pcheck (pidl2))) return FALSE; pdump (pidl1); pdump (pidl2); if ( (!pidl1) || (!pidl2) ) return FALSE; while (pidltemp1->mkid.cb && pidltemp2->mkid.cb) { _ILSimpleGetText(pidltemp1, szData1, MAX_PATH); _ILSimpleGetText(pidltemp2, szData2, MAX_PATH); if (strcasecmp ( szData1, szData2 )!=0 ) return FALSE; pidltemp1 = ILGetNext(pidltemp1); pidltemp2 = ILGetNext(pidltemp2); } if (!pidltemp1->mkid.cb && !pidltemp2->mkid.cb) { return TRUE; } return FALSE; } /************************************************************************* * ILIsParent [SHELL32.23] * * parent=a/b child=a/b/c -> true, c is in folder a/b * child=a/b/c/d -> false if bImmediate is true, d is not in folder a/b * child=a/b/c/d -> true if bImmediate is false, d is in a subfolder of a/b */ BOOL WINAPI ILIsParent( LPCITEMIDLIST pidlParent, LPCITEMIDLIST pidlChild, BOOL bImmediate) { char szData1[MAX_PATH]; char szData2[MAX_PATH]; LPITEMIDLIST pParent = pidlParent; LPITEMIDLIST pChild = pidlChild; TRACE("%p %p %x\n", pidlParent, pidlChild, bImmediate); while (pParent->mkid.cb && pChild->mkid.cb) { _ILSimpleGetText(pParent, szData1, MAX_PATH); _ILSimpleGetText(pChild, szData2, MAX_PATH); if (strcasecmp ( szData1, szData2 )!=0 ) return FALSE; pParent = ILGetNext(pParent); pChild = ILGetNext(pChild); } if ( pParent->mkid.cb || ! pChild->mkid.cb) /* child shorter or has equal length to parent */ return FALSE; if ( ILGetNext(pChild)->mkid.cb && bImmediate) /* not immediate descent */ return FALSE; return TRUE; } /************************************************************************* * ILFindChild [SHELL32.24] * * NOTES * Compares elements from pidl1 and pidl2. * * pidl1 is desktop pidl2 * pidl1 shorter pidl2 pointer to first different element of pidl2 * if there was at least one equal element * pidl2 shorter pidl1 0 * pidl2 equal pidl1 pointer to last 0x00-element of pidl2 */ LPITEMIDLIST WINAPI ILFindChild(LPCITEMIDLIST pidl1,LPCITEMIDLIST pidl2) { char szData1[MAX_PATH]; char szData2[MAX_PATH]; LPITEMIDLIST pidltemp1 = pidl1; LPITEMIDLIST pidltemp2 = pidl2; LPITEMIDLIST ret=NULL; TRACE("pidl1=%p pidl2=%p\n",pidl1, pidl2); /* explorer reads from registry directly (StreamMRU), so we can only check here */ if ((!pcheck (pidl1)) || (!pcheck (pidl2))) return FALSE; pdump (pidl1); pdump (pidl2); if ( _ILIsDesktop(pidl1) ) { ret = pidl2; } else { while (pidltemp1->mkid.cb && pidltemp2->mkid.cb) { _ILSimpleGetText(pidltemp1, szData1, MAX_PATH); _ILSimpleGetText(pidltemp2, szData2, MAX_PATH); if (strcasecmp(szData1,szData2)) break; pidltemp1 = ILGetNext(pidltemp1); pidltemp2 = ILGetNext(pidltemp2); ret = pidltemp2; } if (pidltemp1->mkid.cb) { ret = NULL; /* elements of pidl1 left*/ } } TRACE_(shell)("--- %p\n", ret); return ret; /* pidl 1 is shorter */ } /************************************************************************* * ILCombine [SHELL32.25] * * NOTES * Concatenates two complex idlists. * The pidl is the first one, pidlsub the next one * Does not destroy the passed in idlists! */ LPITEMIDLIST WINAPI ILCombine(LPCITEMIDLIST pidl1,LPCITEMIDLIST pidl2) { DWORD len1,len2; LPITEMIDLIST pidlNew; TRACE("pidl=%p pidl=%p\n",pidl1,pidl2); if(!pidl1 && !pidl2) return NULL; pdump (pidl1); pdump (pidl2); if(!pidl1) { pidlNew = ILClone(pidl2); return pidlNew; } if(!pidl2) { pidlNew = ILClone(pidl1); return pidlNew; } len1 = ILGetSize(pidl1)-2; len2 = ILGetSize(pidl2); pidlNew = SHAlloc(len1+len2); if (pidlNew) { memcpy(pidlNew,pidl1,len1); memcpy(((BYTE *)pidlNew)+len1,pidl2,len2); } /* TRACE(pidl,"--new pidl=%p\n",pidlNew);*/ return pidlNew; } /************************************************************************* * SHGetRealIDL [SHELL32.98] * * NOTES */ LPITEMIDLIST WINAPI SHGetRealIDL(LPSHELLFOLDER lpsf, LPITEMIDLIST pidl, DWORD z) { FIXME("sf=%p pidl=%p 0x%04lx\n",lpsf,pidl,z); pdump (pidl); return 0; } /************************************************************************* * SHLogILFromFSIL [SHELL32.95] * * NOTES * pild = CSIDL_DESKTOP ret = 0 * pild = CSIDL_DRIVES ret = 0 */ LPITEMIDLIST WINAPI SHLogILFromFSIL(LPITEMIDLIST pidl) { FIXME("(pidl=%p)\n",pidl); pdump(pidl); return 0; } /************************************************************************* * ILGetSize [SHELL32.152] * gets the byte size of an idlist including zero terminator (pidl) * * PARAMETERS * pidl ITEMIDLIST * * RETURNS * size of pidl * * NOTES * exported by ordinal */ DWORD WINAPI ILGetSize(LPITEMIDLIST pidl) { LPSHITEMID si = &(pidl->mkid); DWORD len=0; if (pidl) { while (si->cb) { len += si->cb; si = (LPSHITEMID)(((LPBYTE)si)+si->cb); } len += 2; } TRACE("pidl=%p size=%lu\n",pidl, len); return len; } /************************************************************************* * ILGetNext [SHELL32.153] * gets the next simple pidl of a complex pidl * * observed return values: * null -> null * desktop -> null * simple pidl -> pointer to 0x0000 element * */ LPITEMIDLIST WINAPI ILGetNext(LPITEMIDLIST pidl) { WORD len; if(pidl) { len = pidl->mkid.cb; if (len) { pidl = (LPITEMIDLIST) (((LPBYTE)pidl)+len); return pidl; } } return NULL; } /************************************************************************* * ILAppend [SHELL32.154] * * NOTES * Adds the single item to the idlist indicated by pidl. * if bEnd is 0, adds the item to the front of the list, * otherwise adds the item to the end. (???) * Destroys the passed in idlist! (???) */ LPITEMIDLIST WINAPI ILAppend(LPITEMIDLIST pidl,LPCITEMIDLIST item,BOOL bEnd) { LPITEMIDLIST idlRet; WARN("(pidl=%p,pidl=%p,%08u)semi-stub\n",pidl,item,bEnd); pdump (pidl); pdump (item); if (_ILIsDesktop(pidl)) { idlRet = ILClone(item); if (pidl) SHFree (pidl); return idlRet; } if (bEnd) { idlRet=ILCombine(pidl,item); } else { idlRet=ILCombine(item,pidl); } SHFree(pidl); return idlRet; } /************************************************************************* * ILFree [SHELL32.155] * * NOTES * free_check_ptr - frees memory (if not NULL) * allocated by SHMalloc allocator * exported by ordinal */ DWORD WINAPI ILFree(LPITEMIDLIST pidl) { TRACE("(pidl=0x%08lx)\n",(DWORD)pidl); if(!pidl) return FALSE; SHFree(pidl); return TRUE; } /************************************************************************* * ILGlobalFree [SHELL32.156] * */ void WINAPI ILGlobalFree( LPCITEMIDLIST pidl) { TRACE("%p\n",pidl); if(!pidl) return; pCOMCTL32_Free(pidl); } /************************************************************************* * ILCreateFromPath [SHELL32.157] * */ LPITEMIDLIST WINAPI ILCreateFromPathA (LPCSTR path) { LPITEMIDLIST pidlnew; DWORD attributes = 0; TRACE_(shell)("%s\n",path); if (SUCCEEDED (SHILCreateFromPathA (path, &pidlnew, &attributes))) return pidlnew; return FALSE; } LPITEMIDLIST WINAPI ILCreateFromPathW (LPCWSTR path) { LPITEMIDLIST pidlnew; DWORD attributes = 0; TRACE_(shell)("%s\n",debugstr_w(path)); if (SUCCEEDED (SHILCreateFromPathW (path, &pidlnew, &attributes))) return pidlnew; return FALSE; } LPITEMIDLIST WINAPI ILCreateFromPathAW (LPCVOID path) { if ( SHELL_OsIsUnicode()) return ILCreateFromPathW (path); return ILCreateFromPathA (path); } /************************************************************************* * SHSimpleIDListFromPath [SHELL32.162] */ LPITEMIDLIST WINAPI SHSimpleIDListFromPathA (LPCSTR lpszPath) { LPITEMIDLIST pidl=NULL; HANDLE hFile; WIN32_FIND_DATAA stffile; TRACE("path=%s\n", lpszPath); if (!lpszPath) return NULL; hFile = FindFirstFileA(lpszPath, &stffile); if ( hFile != INVALID_HANDLE_VALUE ) { if (stffile.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) { pidl = _ILCreateFolder (&stffile); } else { pidl = _ILCreateValue (&stffile); } FindClose (hFile); } return pidl; } LPITEMIDLIST WINAPI SHSimpleIDListFromPathW (LPCWSTR lpszPath) { char lpszTemp[MAX_PATH]; TRACE("path=%s\n",debugstr_w(lpszPath)); if (!WideCharToMultiByte( CP_ACP, 0, lpszPath, -1, lpszTemp, sizeof(lpszTemp), NULL, NULL )) lpszTemp[sizeof(lpszTemp)-1] = 0; return SHSimpleIDListFromPathA (lpszTemp); } LPITEMIDLIST WINAPI SHSimpleIDListFromPathAW (LPCVOID lpszPath) { if ( SHELL_OsIsUnicode()) return SHSimpleIDListFromPathW (lpszPath); return SHSimpleIDListFromPathA (lpszPath); } /************************************************************************* * SHGetSpecialFolderLocation [SHELL32.@] * * gets the folder locations from the registry and creates a pidl * creates missing reg keys and directories * * PARAMS * hwndOwner [I] * nFolder [I] CSIDL_xxxxx * ppidl [O] PIDL of a special folder * */ HRESULT WINAPI SHGetSpecialFolderLocation( HWND hwndOwner, INT nFolder, LPITEMIDLIST * ppidl) { CHAR szPath[MAX_PATH]; HRESULT hr = E_INVALIDARG; TRACE_(shell)("(%04x,0x%x,%p)\n", hwndOwner,nFolder,ppidl); if (ppidl) { *ppidl = NULL; switch (nFolder) { case CSIDL_DESKTOP: *ppidl = _ILCreateDesktop(); break; case CSIDL_DRIVES: *ppidl = _ILCreateMyComputer(); break; case CSIDL_NETWORK: *ppidl = _ILCreateNetwork (); break; case CSIDL_CONTROLS: *ppidl = _ILCreateControl (); break; case CSIDL_PRINTERS: *ppidl = _ILCreatePrinter (); break; case CSIDL_BITBUCKET: *ppidl = _ILCreateBitBucket (); break; default: if (SHGetSpecialFolderPathA(hwndOwner, szPath, nFolder, TRUE)) { DWORD attributes=0; TRACE_(shell)("Value=%s\n",szPath); hr = SHILCreateFromPathA(szPath, ppidl, &attributes); } } if(*ppidl) hr = NOERROR; } TRACE_(shell)("-- (new pidl %p)\n",*ppidl); return hr; } /************************************************************************* * SHGetFolderLocation [SHELL32.@] * * NOTES * the pidl can be a simple one. since we cant get the path out of the pidl * we have to take all data from the pidl */ HRESULT WINAPI SHGetFolderLocation( HWND hwnd, int csidl, HANDLE hToken, DWORD dwFlags, LPITEMIDLIST *ppidl) { FIXME("0x%04x 0x%08x 0x%08x 0x%08lx %p\n", hwnd, csidl, hToken, dwFlags, ppidl); return SHGetSpecialFolderLocation(hwnd, csidl, ppidl); } /************************************************************************* * SHGetDataFromIDListA [SHELL32.247] * * NOTES * the pidl can be a simple one. since we cant get the path out of the pidl * we have to take all data from the pidl */ HRESULT WINAPI SHGetDataFromIDListA(LPSHELLFOLDER psf, LPCITEMIDLIST pidl, int nFormat, LPVOID dest, int len) { TRACE_(shell)("sf=%p pidl=%p 0x%04x %p 0x%04x stub\n",psf,pidl,nFormat,dest,len); pdump(pidl); if (!psf || !dest ) return E_INVALIDARG; switch (nFormat) { case SHGDFIL_FINDDATA: { WIN32_FIND_DATAA * pfd = dest; if ( len < sizeof (WIN32_FIND_DATAA)) return E_INVALIDARG; ZeroMemory(pfd, sizeof (WIN32_FIND_DATAA)); _ILGetFileDateTime( pidl, &(pfd->ftLastWriteTime)); pfd->dwFileAttributes = _ILGetFileAttributes(pidl, NULL, 0); pfd->nFileSizeLow = _ILGetFileSize ( pidl, NULL, 0); lstrcpynA(pfd->cFileName,_ILGetTextPointer(pidl), MAX_PATH); lstrcpynA(pfd->cAlternateFileName,_ILGetSTextPointer(pidl), 14); } return NOERROR; case SHGDFIL_NETRESOURCE: case SHGDFIL_DESCRIPTIONID: FIXME_(shell)("SHGDFIL %i stub\n", nFormat); break; default: ERR_(shell)("Unknown SHGDFIL %i, please report\n", nFormat); } return E_INVALIDARG; } /************************************************************************* * SHGetDataFromIDListW [SHELL32.248] * */ HRESULT WINAPI SHGetDataFromIDListW(LPSHELLFOLDER psf, LPCITEMIDLIST pidl, int nFormat, LPVOID dest, int len) { TRACE_(shell)("sf=%p pidl=%p 0x%04x %p 0x%04x stub\n",psf,pidl,nFormat,dest,len); pdump(pidl); if (! psf || !dest ) return E_INVALIDARG; switch (nFormat) { case SHGDFIL_FINDDATA: { WIN32_FIND_DATAW * pfd = dest; if ( len < sizeof (WIN32_FIND_DATAW)) return E_INVALIDARG; ZeroMemory(pfd, sizeof (WIN32_FIND_DATAA)); _ILGetFileDateTime( pidl, &(pfd->ftLastWriteTime)); pfd->dwFileAttributes = _ILGetFileAttributes(pidl, NULL, 0); pfd->nFileSizeLow = _ILGetFileSize ( pidl, NULL, 0); if (!MultiByteToWideChar( CP_ACP, 0, _ILGetTextPointer(pidl), -1, pfd->cFileName, MAX_PATH )) pfd->cFileName[MAX_PATH-1] = 0; if (!MultiByteToWideChar( CP_ACP, 0, _ILGetSTextPointer(pidl), -1, pfd->cAlternateFileName, 14 )) pfd->cFileName[13] = 0; } return NOERROR; case SHGDFIL_NETRESOURCE: case SHGDFIL_DESCRIPTIONID: FIXME_(shell)("SHGDFIL %i stub\n", nFormat); break; default: ERR_(shell)("Unknown SHGDFIL %i, please report\n", nFormat); } return E_INVALIDARG; } /************************************************************************* * SHGetPathFromIDListA [SHELL32.@][NT 4.0: SHELL32.220] * * PARAMETERS * pidl, [IN] pidl * pszPath [OUT] path * * RETURNS * path from a passed PIDL. * * NOTES * NULL returns FALSE * desktop pidl gives path to desktopdirectory back * special pidls returning FALSE * * FIXME * fnGetDisplayNameOf can return different types of OLEString */ BOOL WINAPI SHGetPathFromIDListA (LPCITEMIDLIST pidl,LPSTR pszPath) { STRRET str; LPSHELLFOLDER shellfolder; TRACE_(shell)("(pidl=%p,%p)\n",pidl,pszPath); if (!pidl) return FALSE; pdump(pidl); if(_ILIsDesktop(pidl)) { SHGetSpecialFolderPathA(0, pszPath, CSIDL_DESKTOPDIRECTORY, FALSE); } else if (_ILIsSpecialFolder(ILFindLastID(pidl))) { /* we are somewhere in a special folder */ return FALSE; } else { if (SHGetDesktopFolder(&shellfolder)==S_OK) { IShellFolder_GetDisplayNameOf(shellfolder,pidl,SHGDN_FORPARSING,&str); StrRetToStrNA (pszPath, MAX_PATH, &str, pidl); IShellFolder_Release(shellfolder); } } TRACE_(shell)("-- (%s)\n",pszPath); return TRUE; } /************************************************************************* * SHGetPathFromIDListW [SHELL32.@] */ BOOL WINAPI SHGetPathFromIDListW (LPCITEMIDLIST pidl,LPWSTR pszPath) { char sTemp[MAX_PATH]; TRACE_(shell)("(pidl=%p)\n", pidl); SHGetPathFromIDListA (pidl, sTemp); MultiByteToWideChar( CP_ACP, 0, sTemp, -1, pszPath, MAX_PATH ); TRACE_(shell)("-- (%s)\n",debugstr_w(pszPath)); return TRUE; } /************************************************************************* * SHBindToParent [shell version 5.0] */ HRESULT WINAPI SHBindToParent(LPCITEMIDLIST pidl, REFIID riid, LPVOID *ppv, LPCITEMIDLIST *ppidlLast) { IShellFolder * psf; LPITEMIDLIST pidlChild, pidlParent; HRESULT hr=E_FAIL; TRACE_(shell)("pidl=%p\n", pidl); pdump(pidl); *ppv = NULL; if (ppidlLast) *ppidlLast = NULL; if (_ILIsPidlSimple(pidl)) { /* we are on desktop level */ if (ppidlLast) *ppidlLast = ILClone(pidl); hr = SHGetDesktopFolder((IShellFolder**)ppv); } else { pidlChild = ILClone(ILFindLastID(pidl)); pidlParent = ILClone(pidl); ILRemoveLastID(pidlParent); hr = SHGetDesktopFolder(&psf); if (SUCCEEDED(hr)) hr = IShellFolder_BindToObject(psf, pidlParent, NULL, riid, ppv); if (SUCCEEDED(hr) && ppidlLast) *ppidlLast = pidlChild; else ILFree (pidlChild); SHFree (pidlParent); if (psf) IShellFolder_Release(psf); } TRACE_(shell)("-- psf=%p pidl=%p ret=0x%08lx\n", *ppv, (ppidlLast)?*ppidlLast:NULL, hr); return hr; } /************************************************************************* * SHGetPathFromIDList [SHELL32.@][NT 4.0: SHELL32.219] */ BOOL WINAPI SHGetPathFromIDListAW(LPCITEMIDLIST pidl,LPVOID pszPath) { TRACE_(shell)("(pidl=%p,%p)\n",pidl,pszPath); if (SHELL_OsIsUnicode()) return SHGetPathFromIDListW(pidl,pszPath); return SHGetPathFromIDListA(pidl,pszPath); } /************************************************************************** * * internal functions * * ### 1. section creating pidls ### * ************************************************************************* * _ILCreateDesktop() * _ILCreateIExplore() * _ILCreateMyComputer() * _ILCreateDrive() * _ILCreateFolder() * _ILCreateValue() */ LPITEMIDLIST _ILCreateDesktop() { TRACE("()\n"); return _ILCreate(PT_DESKTOP, NULL, 0); } LPITEMIDLIST _ILCreateMyComputer() { TRACE("()\n"); return _ILCreate(PT_MYCOMP, &CLSID_MyComputer, sizeof(GUID)); } LPITEMIDLIST _ILCreateIExplore() { TRACE("()\n"); return _ILCreate(PT_MYCOMP, &CLSID_Internet, sizeof(GUID)); } LPITEMIDLIST _ILCreateControl() { TRACE("()\n"); return _ILCreate(PT_SPECIAL, &CLSID_ControlPanel, sizeof(GUID)); } LPITEMIDLIST _ILCreatePrinter() { TRACE("()\n"); return _ILCreate(PT_SPECIAL, &CLSID_Printers, sizeof(GUID)); } LPITEMIDLIST _ILCreateNetwork() { TRACE("()\n"); return _ILCreate(PT_MYCOMP, &CLSID_NetworkPlaces, sizeof(GUID)); } LPITEMIDLIST _ILCreateBitBucket() { TRACE("()\n"); return _ILCreate(PT_MYCOMP, &CLSID_RecycleBin, sizeof(GUID)); } LPITEMIDLIST _ILCreateDrive( LPCSTR lpszNew) { char sTemp[4]; lstrcpynA (sTemp,lpszNew,4); sTemp[2]='\\'; sTemp[3]=0x00; TRACE("(%s)\n",sTemp); return _ILCreate(PT_DRIVE,(LPVOID)&sTemp[0],4); } LPITEMIDLIST _ILCreateFolder( WIN32_FIND_DATAA * stffile ) { char buff[MAX_PATH + 14 +1]; /* see WIN32_FIND_DATA */ char * pbuff = buff; ULONG len, len1; LPITEMIDLIST pidl; TRACE("(%s, %s)\n",stffile->cAlternateFileName, stffile->cFileName); /* prepare buffer with both names */ len = strlen (stffile->cFileName) + 1; memcpy (pbuff, stffile->cFileName, len); pbuff += len; if (stffile->cAlternateFileName) { len1 = strlen (stffile->cAlternateFileName)+1; memcpy (pbuff, stffile->cAlternateFileName, len1); } else { len1 = 1; *pbuff = 0x00; } pidl = _ILCreate(PT_FOLDER, (LPVOID)buff, len + len1); /* set attributes */ if (pidl) { LPPIDLDATA pData; pData = _ILGetDataPointer(pidl); FileTimeToDosDateTime(&(stffile->ftLastWriteTime),&pData->u.folder.uFileDate,&pData->u.folder.uFileTime); pData->u.folder.dwFileSize = stffile->nFileSizeLow; pData->u.folder.uFileAttribs=stffile->dwFileAttributes; } return pidl; } LPITEMIDLIST _ILCreateValue(WIN32_FIND_DATAA * stffile) { char buff[MAX_PATH + 14 +1]; /* see WIN32_FIND_DATA */ char * pbuff = buff; ULONG len, len1; LPITEMIDLIST pidl; TRACE("(%s, %s)\n",stffile->cAlternateFileName, stffile->cFileName); /* prepare buffer with both names */ len = strlen (stffile->cFileName) + 1; memcpy (pbuff, stffile->cFileName, len); pbuff += len; if (stffile->cAlternateFileName) { len1 = strlen (stffile->cAlternateFileName)+1; memcpy (pbuff, stffile->cAlternateFileName, len1); } else { len1 = 1; *pbuff = 0x00; } pidl = _ILCreate(PT_VALUE, (LPVOID)buff, len + len1); /* set attributes */ if (pidl) { LPPIDLDATA pData; pData = _ILGetDataPointer(pidl); FileTimeToDosDateTime(&(stffile->ftLastWriteTime),&pData->u.folder.uFileDate,&pData->u.folder.uFileTime); pData->u.folder.dwFileSize = stffile->nFileSizeLow; pData->u.folder.uFileAttribs=stffile->dwFileAttributes; } return pidl; } LPITEMIDLIST _ILCreateSpecial(LPCSTR szGUID) { IID iid; WCHAR buffer[40]; if (!MultiByteToWideChar( CP_ACP, 0, szGUID, -1, buffer, sizeof(buffer)/sizeof(WCHAR) )) return NULL; CLSIDFromString( buffer, &iid ); return _ILCreate(PT_MYCOMP, &iid, sizeof(IID)); } /************************************************************************** * _ILCreate() * Creates a new PIDL * type = PT_DESKTOP | PT_DRIVE | PT_FOLDER | PT_VALUE * pIn = data * uInSize = size of data (raw) */ LPITEMIDLIST _ILCreate(PIDLTYPE type, LPCVOID pIn, UINT uInSize) { LPITEMIDLIST pidlOut = NULL, pidlTemp = NULL; LPPIDLDATA pData; UINT uSize = 0; LPSTR pszDest; TRACE("(0x%02x %p %i)\n",type,pIn,uInSize); switch (type) { case PT_DESKTOP: uSize = 0; break; case PT_SPECIAL: case PT_MYCOMP: uSize = 2 + 2 + sizeof(GUID); break; case PT_DRIVE: uSize = 2 + 23; break; case PT_FOLDER: case PT_VALUE: uSize = 2 + 12 + uInSize; break; default: FIXME("can't create type: 0x%08x\n",type); return NULL; } if(!(pidlOut = SHAlloc(uSize + 2))) return NULL; ZeroMemory(pidlOut, uSize + 2); pidlOut->mkid.cb = uSize; switch (type) { case PT_DESKTOP: TRACE("- create Desktop\n"); break; case PT_SPECIAL: case PT_MYCOMP: pData =_ILGetDataPointer(pidlOut); pData->type = type; memcpy(&(pData->u.mycomp.guid), pIn, uInSize); TRACE("- create GUID-pidl\n"); break; case PT_DRIVE: pData =_ILGetDataPointer(pidlOut); pData->type = type; pszDest = _ILGetTextPointer(pidlOut); memcpy(pszDest, pIn, uInSize); TRACE("- create Drive: %s\n",debugstr_a(pszDest)); break; case PT_FOLDER: case PT_VALUE: pData =_ILGetDataPointer(pidlOut); pData->type = type; pszDest = _ILGetTextPointer(pidlOut); memcpy(pszDest, pIn, uInSize); TRACE("- create Value: %s\n",debugstr_a(pszDest)); break; } pidlTemp = ILGetNext(pidlOut); if (pidlTemp) pidlTemp->mkid.cb = 0x00; TRACE("-- (pidl=%p, size=%u)\n", pidlOut, uSize); return pidlOut; } /************************************************************************** * _ILGetDrive() * * Gets the text for the drive eg. 'c:\' * * RETURNS * strlen (lpszText) */ DWORD _ILGetDrive(LPCITEMIDLIST pidl,LPSTR pOut, UINT uSize) { TRACE("(%p,%p,%u)\n",pidl,pOut,uSize); if(_ILIsMyComputer(pidl)) pidl = ILGetNext(pidl); if (pidl && _ILIsDrive(pidl)) return _ILSimpleGetText(pidl, pOut, uSize); return 0; } /************************************************************************** * * ### 2. section testing pidls ### * ************************************************************************** * _ILIsDesktop() * _ILIsMyComputer() * _ILIsSpecialFolder() * _ILIsDrive() * _ILIsFolder() * _ILIsValue() * _ILIsPidlSimple() */ BOOL _ILIsDesktop(LPCITEMIDLIST pidl) { TRACE("(%p)\n",pidl); return ( !pidl || (pidl && pidl->mkid.cb == 0x00) ); } BOOL _ILIsMyComputer(LPCITEMIDLIST pidl) { REFIID iid = _ILGetGUIDPointer(pidl); TRACE("(%p)\n",pidl); if (iid) return IsEqualIID(iid, &CLSID_MyComputer); return FALSE; } BOOL _ILIsSpecialFolder (LPCITEMIDLIST pidl) { LPPIDLDATA lpPData = _ILGetDataPointer(pidl); TRACE("(%p)\n",pidl); return (pidl && ( (lpPData && (PT_MYCOMP== lpPData->type || PT_SPECIAL== lpPData->type)) || (pidl && pidl->mkid.cb == 0x00) )); } BOOL _ILIsDrive(LPCITEMIDLIST pidl) { LPPIDLDATA lpPData = _ILGetDataPointer(pidl); TRACE("(%p)\n",pidl); return (pidl && lpPData && (PT_DRIVE == lpPData->type || PT_DRIVE1 == lpPData->type || PT_DRIVE2 == lpPData->type || PT_DRIVE3 == lpPData->type)); } BOOL _ILIsFolder(LPCITEMIDLIST pidl) { LPPIDLDATA lpPData = _ILGetDataPointer(pidl); TRACE("(%p)\n",pidl); return (pidl && lpPData && (PT_FOLDER == lpPData->type || PT_FOLDER1 == lpPData->type)); } BOOL _ILIsValue(LPCITEMIDLIST pidl) { LPPIDLDATA lpPData = _ILGetDataPointer(pidl); TRACE("(%p)\n",pidl); return (pidl && lpPData && PT_VALUE == lpPData->type); } /************************************************************************** * _ILIsPidlSimple */ BOOL _ILIsPidlSimple ( LPCITEMIDLIST pidl) { BOOL ret = TRUE; if(! _ILIsDesktop(pidl)) /* pidl=NULL or mkid.cb=0 */ { WORD len = pidl->mkid.cb; LPCITEMIDLIST pidlnext = (LPCITEMIDLIST) (((LPBYTE)pidl) + len ); if (pidlnext->mkid.cb) ret = FALSE; } TRACE("%s\n", ret ? "Yes" : "No"); return ret; } /************************************************************************** * * ### 3. section getting values from pidls ### */ /************************************************************************** * _ILSimpleGetText * * gets the text for the first item in the pidl (eg. simple pidl) * * returns the length of the string */ DWORD _ILSimpleGetText (LPCITEMIDLIST pidl, LPSTR szOut, UINT uOutSize) { DWORD dwReturn=0; LPSTR szSrc; GUID const * riid; char szTemp[MAX_PATH]; TRACE("(%p %p %x)\n",pidl,szOut,uOutSize); if (!pidl) return 0; if (szOut) *szOut = 0; if (_ILIsDesktop(pidl)) { /* desktop */ if (HCR_GetClassName(&CLSID_ShellDesktop, szTemp, MAX_PATH)) { if (szOut) lstrcpynA(szOut, szTemp, uOutSize); dwReturn = strlen (szTemp); } } else if (( szSrc = _ILGetTextPointer(pidl) )) { /* filesystem */ if (szOut) lstrcpynA(szOut, szSrc, uOutSize); dwReturn = strlen(szSrc); } else if (( riid = _ILGetGUIDPointer(pidl) )) { /* special folder */ if ( HCR_GetClassName(riid, szTemp, MAX_PATH) ) { if (szOut) lstrcpynA(szOut, szTemp, uOutSize); dwReturn = strlen (szTemp); } } else { ERR("-- no text\n"); } TRACE("-- (%p=%s 0x%08lx)\n",szOut,debugstr_a(szOut),dwReturn); return dwReturn; } /************************************************************************** * * ### 4. getting pointers to parts of pidls ### * ************************************************************************** * _ILGetDataPointer() */ LPPIDLDATA _ILGetDataPointer(LPITEMIDLIST pidl) { if(pidl && pidl->mkid.cb != 0x00) return (LPPIDLDATA) &(pidl->mkid.abID); return NULL; } /************************************************************************** * _ILGetTextPointer() * gets a pointer to the long filename string stored in the pidl */ LPSTR _ILGetTextPointer(LPCITEMIDLIST pidl) {/* TRACE(pidl,"(pidl%p)\n", pidl);*/ LPPIDLDATA pdata =_ILGetDataPointer(pidl); if (pdata) { switch (pdata->type) { case PT_MYCOMP: case PT_SPECIAL: return NULL; case PT_DRIVE: case PT_DRIVE1: case PT_DRIVE2: case PT_DRIVE3: return (LPSTR)&(pdata->u.drive.szDriveName); case PT_FOLDER: case PT_FOLDER1: case PT_VALUE: case PT_IESPECIAL1: case PT_IESPECIAL2: return (LPSTR)&(pdata->u.file.szNames); case PT_WORKGRP: case PT_COMP: case PT_NETWORK: case PT_SHARE: return (LPSTR)&(pdata->u.network.szNames); } } return NULL; } /************************************************************************** * _ILGetSTextPointer() * gets a pointer to the short filename string stored in the pidl */ LPSTR _ILGetSTextPointer(LPCITEMIDLIST pidl) {/* TRACE(pidl,"(pidl%p)\n", pidl);*/ LPPIDLDATA pdata =_ILGetDataPointer(pidl); if (pdata) { switch (pdata->type) { case PT_FOLDER: case PT_VALUE: case PT_IESPECIAL1: case PT_IESPECIAL2: return (LPSTR)(pdata->u.file.szNames + strlen (pdata->u.file.szNames) + 1); case PT_WORKGRP: return (LPSTR)(pdata->u.network.szNames + strlen (pdata->u.network.szNames) + 1); } } return NULL; } /************************************************************************** * _ILGetGUIDPointer() * * returns reference to guid stored in some pidls */ REFIID _ILGetGUIDPointer(LPCITEMIDLIST pidl) { LPPIDLDATA pdata =_ILGetDataPointer(pidl); TRACE("%p\n", pidl); if (pdata) { TRACE("pdata->type 0x%04x\n", pdata->type); switch (pdata->type) { case PT_SPECIAL: case PT_MYCOMP: return (REFIID) &(pdata->u.mycomp.guid); default: TRACE("Unknown pidl type 0x%04x\n", pdata->type); break; } } return NULL; } /************************************************************************* * _ILGetFileDateTime * * Given the ItemIdList, get the FileTime * * PARAMS * pidl [I] The ItemIDList * pFt [I] the resulted FILETIME of the file * * RETURNS * True if Successful * * NOTES * */ BOOL _ILGetFileDateTime(LPCITEMIDLIST pidl, FILETIME *pFt) { LPPIDLDATA pdata =_ILGetDataPointer(pidl); if(! pdata) return FALSE; switch (pdata->type) { case PT_FOLDER: DosDateTimeToFileTime(pdata->u.folder.uFileDate, pdata->u.folder.uFileTime, pFt); break; case PT_VALUE: DosDateTimeToFileTime(pdata->u.file.uFileDate, pdata->u.file.uFileTime, pFt); break; default: return FALSE; } return TRUE; } BOOL _ILGetFileDate (LPCITEMIDLIST pidl, LPSTR pOut, UINT uOutSize) { FILETIME ft,lft; SYSTEMTIME time; if (! _ILGetFileDateTime( pidl, &ft )) return FALSE; FileTimeToLocalFileTime(&ft, &lft); FileTimeToSystemTime (&lft, &time); return GetDateFormatA(LOCALE_USER_DEFAULT,DATE_SHORTDATE,&time, NULL, pOut, uOutSize); } /************************************************************************* * _ILGetFileSize * * Given the ItemIdList, get the FileSize * * PARAMS * pidl [I] The ItemIDList * pOut [I] The buffer to save the result * uOutsize [I] The size of the buffer * * RETURNS * The FileSize * * NOTES * pOut can be null when no string is needed * */ DWORD _ILGetFileSize (LPCITEMIDLIST pidl, LPSTR pOut, UINT uOutSize) { LPPIDLDATA pdata =_ILGetDataPointer(pidl); DWORD dwSize; if(! pdata) return 0; switch (pdata->type) { case PT_VALUE: dwSize = pdata->u.file.dwFileSize; if (pOut) StrFormatByteSizeA(dwSize, pOut, uOutSize); return dwSize; } if (pOut) *pOut = 0x00; return 0; } BOOL _ILGetExtension (LPCITEMIDLIST pidl, LPSTR pOut, UINT uOutSize) { char szTemp[MAX_PATH]; const char * pPoint; LPITEMIDLIST pidlTemp=pidl; TRACE("pidl=%p\n",pidl); if (!pidl) return FALSE; pidlTemp = ILFindLastID(pidl); if (!_ILIsValue(pidlTemp)) return FALSE; if (!_ILSimpleGetText(pidlTemp, szTemp, MAX_PATH)) return FALSE; pPoint = PathFindExtensionA(szTemp); if (! *pPoint) return FALSE; pPoint++; lstrcpynA(pOut, pPoint, uOutSize); TRACE("%s\n",pOut); return TRUE; } /************************************************************************* * _ILGetFileType * * Given the ItemIdList, get the file type description * * PARAMS * pidl [I] The ItemIDList (simple) * pOut [I] The buffer to save the result * uOutsize [I] The size of the buffer * * RETURNS * nothing * * NOTES * This function copies as much as possible into the buffer. */ void _ILGetFileType(LPCITEMIDLIST pidl, LPSTR pOut, UINT uOutSize) { if(_ILIsValue(pidl)) { char sTemp[64]; if(uOutSize > 0) { pOut[0] = 0; } if (_ILGetExtension (pidl, sTemp, 64)) { if (!( HCR_MapTypeToValue(sTemp, sTemp, 64, TRUE) && HCR_MapTypeToValue(sTemp, pOut, uOutSize, FALSE ))) { lstrcpynA (pOut, sTemp, uOutSize - 6); strcat (pOut, "-file"); } } } else { lstrcpynA(pOut, "Folder", uOutSize); } } /************************************************************************* * _ILGetFileAttributes * * Given the ItemIdList, get the Attrib string format * * PARAMS * pidl [I] The ItemIDList * pOut [I] The buffer to save the result * uOutsize [I] The size of the Buffer * * RETURNS * Attributes * * FIXME * return value 0 in case of error is a valid return value * */ DWORD _ILGetFileAttributes(LPCITEMIDLIST pidl, LPSTR pOut, UINT uOutSize) { LPPIDLDATA pData =_ILGetDataPointer(pidl); WORD wAttrib = 0; int i; if(! pData) return 0; switch(pData->type) { case PT_FOLDER: wAttrib = pData->u.folder.uFileAttribs; break; case PT_VALUE: wAttrib = pData->u.file.uFileAttribs; break; } if(uOutSize >= 6) { i=0; if(wAttrib & FILE_ATTRIBUTE_READONLY) { pOut[i++] = 'R'; } if(wAttrib & FILE_ATTRIBUTE_HIDDEN) { pOut[i++] = 'H'; } if(wAttrib & FILE_ATTRIBUTE_SYSTEM) { pOut[i++] = 'S'; } if(wAttrib & FILE_ATTRIBUTE_ARCHIVE) { pOut[i++] = 'A'; } if(wAttrib & FILE_ATTRIBUTE_COMPRESSED) { pOut[i++] = 'C'; } pOut[i] = 0x00; } return wAttrib; } /************************************************************************* * ILFreeaPidl * * free a aPidl struct */ void _ILFreeaPidl(LPITEMIDLIST * apidl, UINT cidl) { int i; if(apidl) { for(i = 0; i < cidl; i++) SHFree(apidl[i]); SHFree(apidl); } } /************************************************************************* * ILCopyaPidl * * copies an aPidl struct */ LPITEMIDLIST * _ILCopyaPidl(LPITEMIDLIST * apidlsrc, UINT cidl) { int i; LPITEMIDLIST * apidldest = (LPITEMIDLIST*)SHAlloc(cidl * sizeof(LPITEMIDLIST)); if(!apidlsrc) return NULL; for(i = 0; i < cidl; i++) apidldest[i] = ILClone(apidlsrc[i]); return apidldest; } /************************************************************************* * _ILCopyCidaToaPidl * * creates aPidl from CIDA */ LPITEMIDLIST * _ILCopyCidaToaPidl(LPITEMIDLIST* pidl, LPCIDA cida) { int i; LPITEMIDLIST * dst = (LPITEMIDLIST*)SHAlloc(cida->cidl * sizeof(LPITEMIDLIST)); if(!dst) return NULL; if (pidl) *pidl = ILClone((LPITEMIDLIST)(&((LPBYTE)cida)[cida->aoffset[0]])); for(i = 0; i < cida->cidl; i++) dst[i] = ILClone((LPITEMIDLIST)(&((LPBYTE)cida)[cida->aoffset[i + 1]])); return dst; }