Hi, > I'm not happy with removing the null checks in calls to free(); there > were systems out there that would throw a fatal error if you passed > null to free(). I'd prefer to leave those checks in.
Though I also thought so first, in this case I seem it's guaranteed that elements that is smaller than d->tralloc isn't NULL, as long as a programmer who doesn't know the rule of `dfa' structure usage purposely call `free' and set null for then.
