view release on metacpan or  search on metacpan

src/googleurl/src/url_canon_icu.cc  view on Meta::CPAN

    UErrorCode err = U_ZERO_ERROR;
    char* dest = &output->data()[begin_offset];
    int required_capacity = ucnv_fromUChars(converter_, dest, dest_capacity,
                                            input, input_len, &err);
    if (err != U_BUFFER_OVERFLOW_ERROR) {
      output->set_length(begin_offset + required_capacity);
      return;
    }

    // Output didn't fit, expand
    dest_capacity = required_capacity;
    output->Resize(begin_offset + dest_capacity);
  } while (true);
}

// Converts the Unicode input representing a hostname to ASCII using IDN rules.
// The output must be ASCII, but is represented as wide characters.
//
// On success, the output will be filled with the ASCII host name and it will
// return true. Unlike most other canonicalization functions, this assumes that
// the output is empty. The beginning of the host will be at offset 0, and