*: remove a few more cases of argc usage. -89 bytes.

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 2 insertions, 7 deletions

diff --git a/coreutils/dirname.c b/coreutils/dirname.c
index 1f5f70dfd..94c22a7ee 100644
--- a/coreutils/dirname.c
+++ b/coreutils/dirname.c
@@ -15,13 +15,8 @@
 /* This is a NOFORK applet. Be very careful! */
 
 int dirname_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
-int dirname_main(int argc, char **argv)
+int dirname_main(int argc UNUSED_PARAM, char **argv)
 {
-        if (argc != 2) {
-                bb_show_usage();
-        }
-
-        puts(dirname(argv[1]));
-
+        puts(dirname(single_argv(argv)));
         return fflush_all();
 }