From cb610b2c7ba04b8232978ae7cb312c4b8e84bbd1 Mon Sep 17 00:00:00 2001
From: FRIGN <dev@frign.de>
Date: Sat, 28 Feb 2015 19:42:26 +0100
Subject: [PATCH] Audit link(1)

---
 README |  2 +-
 link.c | 18 ++++++++++++++----
 2 files changed, 15 insertions(+), 5 deletions(-)

diff --git a/README b/README
index b4b2d96..4e14de8 100644
--- a/README
+++ b/README
@@ -37,7 +37,7 @@ The following tools are implemented ('*' == finished, '#' == UTF-8 support,
 =*  head            yes                          none
 =*  hostname        non-posix                    none
 =*  kill            yes                          none
-=*  link            yes                          none
+=*| link            yes                          none
 =*  ln              yes                          none
 =*  logger          yes                          none
 =*  logname         yes                          none
diff --git a/link.c b/link.c
index f84e4b5..5ef8e11 100644
--- a/link.c
+++ b/link.c
@@ -3,14 +3,24 @@
 
 #include "util.h"
 
+static void
+usage(void)
+{
+	eprintf("usage: %s target name\n", argv0);
+}
+
 int
 main(int argc, char *argv[])
 {
-	argv0 = argv[0];
+	ARGBEGIN {
+	default:
+		usage();
+	} ARGEND;
 
-	if (argc != 3)
-		eprintf("usage: %s target name\n", argv0);
-	if (link(argv[1], argv[2]) < 0)
+	if (argc != 2)
+		usage();
+	if (link(argv[0], argv[1]) < 0)
 		eprintf("link:");
+
 	return 0;
 }