const Bitmask::Signature *sig = bitmask->sig;
bool first = true;
for (Bitmask::Signature::const_iterator it = sig->begin(); value != 0 && it != sig->end(); ++it) {
const Bitmask::Signature *sig = bitmask->sig;
bool first = true;
for (Bitmask::Signature::const_iterator it = sig->begin(); value != 0 && it != sig->end(); ++it) {