Hello, I spotted an unused variable (r) in filter_apply_chain() function of lex(1).
- Michael Index: filter.c =================================================================== RCS file: /cvs/src/usr.bin/lex/filter.c,v retrieving revision 1.8 diff -u -p -u -r1.8 filter.c --- filter.c 17 Aug 2017 19:27:48 -0000 1.8 +++ filter.c 27 Aug 2017 11:09:06 -0000 @@ -174,9 +174,7 @@ filter_apply_chain(struct filter * chain /* run as a filter, either internally or by exec */ if (chain->filter_func) { - int r; - - if ((r = chain->filter_func(chain)) == -1) + if (chain->filter_func(chain) == -1) flexfatal(_("filter_func failed")); exit(0); } else {