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 {
