From 5bbc67aa96b094c1f8edbf6e67ccf64cded7fc3d Mon Sep 17 00:00:00 2001
From: sin <sin@2f30.org>
Date: Tue, 3 Jun 2014 16:04:53 +0100
Subject: [PATCH] Allow to specify the rtc devnode for hwclock(8)

---
 hwclock.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/hwclock.c b/hwclock.c
index a259a98..b48d46c 100644
--- a/hwclock.c
+++ b/hwclock.c
@@ -21,7 +21,7 @@ static void systohc(char *);
 static void
 usage(void)
 {
-	eprintf("usage: %s [-rsw] [-u]\n", argv0);
+	eprintf("usage: %s [-rsw] [-u] [dev]\n", argv0);
 }
 
 int
@@ -48,6 +48,11 @@ main(int argc, char *argv[])
 		usage();
 	} ARGEND;
 
+	if (argc > 1)
+		usage();
+	else if (argc == 1)
+		dev = argv[0];
+
 	if ((rflag ^ sflag ^ wflag) == 0)
 		eprintf("missing or incompatible function\n");