On Sun, 31 Oct 2021 17:28:55 -0500, Scott Cheloha wrote: > In tr(1), if we have already generated a given character class we > don't need to do it again.
OK. > Further, we don't need to keep all the memory we allocate for the set > of characters in the class. NCHARS + 1 is just an upper bound on the > length. We should return whatever we don't need. I suppose this is OK. For the common case, returning the memory is pointless since tr is short-lived and the number of classes used is small. The extra realloc should be fairly cheap, though. - todd
