[src/trunk]: src/bin/ln mark usage dead, simplify strings in it.

[christos <christos%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/e58ecc0dc587
branches:  trunk
changeset: 353129:e58ecc0dc587
user:      christos <christos%NetBSD.org@localhost>
date:      Fri Apr 21 11:28:35 2017 +0000

description:
mark usage dead, simplify strings in it.

diffstat:

 bin/ln/ln.c |  16 ++++++++--------
 1 files changed, 8 insertions(+), 8 deletions(-)

diffs (45 lines):

diff -r 837d78e3314b -r e58ecc0dc587 bin/ln/ln.c
--- a/bin/ln/ln.c       Fri Apr 21 09:01:52 2017 +0000
+++ b/bin/ln/ln.c       Fri Apr 21 11:28:35 2017 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: ln.c,v 1.36 2017/04/20 21:50:50 christos Exp $ */
+/*     $NetBSD: ln.c,v 1.37 2017/04/21 11:28:35 christos Exp $ */
 
 /*-
  * Copyright (c) 1987, 1993, 1994
@@ -44,7 +44,7 @@
 #ifdef __FBSDID
 __FBSDID("$FreeBSD: head/bin/ln/ln.c 251261 2013-06-02 17:55:00Z eadler $");
 #endif
-__RCSID("$NetBSD: ln.c,v 1.36 2017/04/20 21:50:50 christos Exp $");
+__RCSID("$NetBSD: ln.c,v 1.37 2017/04/21 11:28:35 christos Exp $");
 
 #include <sys/param.h>
 #include <sys/stat.h>
@@ -71,7 +71,7 @@
 static char    linkch;
 
 static int     linkit(const char *, const char *, int);
-static void    usage(void);
+static __dead void     usage(void);
 
 int
 main(int argc, char *argv[])
@@ -352,12 +352,12 @@
        return (0);
 }
 
-static void
+static __dead void
 usage(void)
 {
-       (void)fprintf(stderr, "%s\n%s\n%s\n",
-           "usage: ln [-s [-F] | -L | -P] [-f | -i] [-hnv] source_file [target_file]",
-           "       ln [-s [-F] | -L | -P] [-f | -i] [-hnv] source_file ... target_dir",
-           "       link source_file target_file");
+       (void)fprintf(stderr, 
+           "usage: %s [-s [-F] | -L | -P] [-f | -i] [-hnv] source_file [target_file]\n"
+           "       %s [-s [-F] | -L | -P] [-f | -i] [-hnv] source_file ... target_dir\n"
+           "       link source_file target_file\n", getprogname(), getprogname());
        exit(1);
 }