But what should we do if cheapest == NULL further? Should we return NULL of get_cheapest_parameterized_child_path() function?

If it is, we should write it like this:

if (cheapset == NULL || bms(PATH_REQ_OUTER(cheapset), required_outer))
    return cheapest;

I'll look into this issue further.

--
Best regards,
Ilia Evdokimov,
Tantor Labs LLC.



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