VOID WINAPI HashCalcWalkDirectory( PHASHCALCCONTEXT phcctx, PTSTR pszPath, UINT cchPath )
{
HANDLE hFind;
WIN32_FIND_DATA finddata;
PTSTR pszPathAppend = pszPath + cchPath;
*pszPathAppend = TEXT('\\');
SSCpy2Ch(++pszPathAppend, TEXT('*'), 0);
if ((hFind = FindFirstFile(pszPath, &finddata)) == INVALID_HANDLE_VALUE)
return;
do
{
// Add 1 to the length since we are also going to count the slash that
// was added at the end of the directory
UINT cchLeaf = (UINT)SSLen(finddata.cFileName) + 1;
UINT cchNew = cchPath + cchLeaf;
if (phcctx->status == CANCEL_REQUESTED)
break;
if ( (!(finddata.dwFileAttributes & FILE_ATTRIBUTE_OFFLINE)) &&
(cchNew < MAX_PATH_BUFFER - 2) )
{
SSChainNCpy(pszPathAppend, finddata.cFileName, cchLeaf);
if (finddata.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
{
// Directory: Recurse
if (!IsSpecialDirectoryName(finddata.cFileName))
HashCalcWalkDirectory(phcctx, pszPath, cchNew);
}
else
{
// File: Add to the list
UINT cbPathBuffer = (cchNew + 1) * sizeof(TCHAR);
PHASHCALCITEM pItem = SLAddItem(phcctx->hList, NULL, sizeof(HASHCALCITEM) + cbPathBuffer);
if (pItem)
{
pItem->bValid = FALSE;
pItem->cchPath = cchNew;
memcpy(pItem->szPath, pszPath, cbPathBuffer);
if (phcctx->cchMax < cchNew)
phcctx->cchMax = cchNew;
++phcctx->cTotal;
}
}
}
} while (FindNextFile(hFind, &finddata));
FindClose(hFind);
}
LONG_PTR WINAPI HashVerifyFindItem( PHASHVERIFYCONTEXT phvctx, LPNMLVFINDITEM pfi )
{
PHASHVERIFYITEM pItem;
INT cchCompare, iStart = pfi->iStart;
LONG_PTR i;
if (pfi->lvfi.flags & (LVFI_PARAM | LVFI_NEARESTXY))
goto not_found; // Unsupported search types
if (!(pfi->lvfi.flags & (LVFI_PARTIAL | LVFI_STRING)))
goto not_found; // No valid search type specified
// According to the documentation, LVFI_STRING without a corresponding
// LVFI_PARTIAL should match the FULL string, but when the user sends
// keyboard input (which uses a partial match), the notification does not
// have the LVFI_PARTIAL flag, so we should just always assume LVFI_PARTIAL
// INT cchCompare = (pfi->lvfi.flags & LVFI_PARTIAL) ? 0 : 1;
// cchCompare += SSLen(pfi->lvfi.psz);
// The above code should have been correct, but it is not...
cchCompare = (INT)SSLen(pfi->lvfi.psz);
// Fix out-of-range indices; by casting to unsigned, we also catch negatives
if ((UINT)iStart > phvctx->cTotal)
iStart = phvctx->cTotal;
for (i = iStart; i < (INT)phvctx->cTotal; ++i)
{
pItem = phvctx->index[i];
if (StrCmpNI(pItem->pszDisplayName, pfi->lvfi.psz, cchCompare) == 0)
return(i);
}
if (pfi->lvfi.flags & LVFI_WRAP)
{
for (i = 0; i < iStart; ++i)
{
pItem = phvctx->index[i];
if (StrCmpNI(pItem->pszDisplayName, pfi->lvfi.psz, cchCompare) == 0)
return(i);
}
}
not_found: return(-1);
}
BOOL WINAPI RegSetSZ( HKEY hKey, LPCTSTR lpValueName, LPCTSTR lpData )
{
return(RegSetValueEx(hKey, lpValueName, 0, REG_SZ, (LPBYTE)lpData, ((DWORD)SSLen(lpData) + 1) * sizeof(lpData[0])) == ERROR_SUCCESS);
}
