DWORD dwCrackFlags = dwFlags & (ICU_ESCAPE | ICU_USERNAME);

       bRetVal = InternetCanonicalizeUrl(pstrURL, szCanonicalizedURL,

              &dwNeededLength, dwCanonicalizeFlags);

       if (!bRetVal)

       {

              if (::GetLastError() != ERROR_INSUFFICIENT_BUFFER)

                     return FALSE;

              pstrCanonicalizedURL = new TCHAR[dwNeededLength];

              bMustFree = TRUE;

              bRetVal = InternetCanonicalizeUrl(pstrURL, pstrCanonicalizedURL,

                     &dwNeededLength, dwCanonicalizeFlags);

              if (!bRetVal)

              {

                     delete [] pstrCanonicalizedURL;

                     return FALSE;

              }

       }

       else

              pstrCanonicalizedURL = szCanonicalizedURL;

       // now that it''''s safely canonicalized, crack it

       bRetVal = InternetCrackUrl(pstrCanonicalizedURL, 0,

                                          dwCrackFlags, lpComponents);

       if (bMustFree)

              delete [] pstrCanonicalizedURL;

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