This patch, put together by Manuel Novoa III, is a merge of work
done by Evin Robertson (bug#1105) and work from Manuel to make
usage messages occupy less space and simplify how usage messages
are displayed.
diff --git a/coreutils/logname.c b/coreutils/logname.c
index d9056c6..a1887aa 100644
--- a/coreutils/logname.c
+++ b/coreutils/logname.c
@@ -30,7 +30,7 @@
 	char user[9];
 
 	if (argc > 1)
-		usage(logname_usage);
+		show_usage();
 
 	my_getpwuid(user, geteuid());
 	if (*user) {