Avoid comparing equal lines twice when running without -i.

From kshe, ok jca

diff --git a/usr.bin/uniq/uniq.c b/usr.bin/uniq/uniq.c
index e2cc673..ae5d76c 100644 (file)
--- a/usr.bin/uniq/uniq.c
+++ b/usr.bin/uniq/uniq.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: uniq.c,v 1.25 2017/12/21 10:05:59 tb Exp $    */
+/*     $OpenBSD: uniq.c,v 1.26 2017/12/24 00:11:43 tb Exp $    */
 /*     $NetBSD: uniq.c,v 1.7 1995/08/31 22:03:48 jtc Exp $     */
 
 /*
@@ -152,7 +152,7 @@ main(int argc, char *argv[])
                }
 
                /* If different, print; set previous to new value. */
-               if ((!iflag && strcmp(t1, t2)) || strcasecmp(t1, t2)) {
+               if ((iflag ? strcasecmp : strcmp)(t1, t2)) {
                        show(ofp, prevline);
                        t1 = prevline;
                        prevline = thisline;