Add yet more options to usage() that the author did not document.

2 files changed, 16 insertions, 2 deletions

diff --git a/contrib/isc-dhcp/client/dhclient.8 b/contrib/isc-dhcp/client/dhclient.8
index 096b106..6cdc063 100644
--- a/contrib/isc-dhcp/client/dhclient.8
+++ b/contrib/isc-dhcp/client/dhclient.8
@@ -35,6 +35,11 @@
 .\" Enterprises.  To learn more about the Internet Software Consortium,
 .\" see ``http://www.isc.org/isc''.  To learn more about Vixie
 .\" Enterprises, see ``http://www.vix.com''.
+.\"
+.\" Portions copyright (c) 2000 David E. O'Brien.
+.\" All rights reserved.
+.\" $FreeBSD$
+.\"
 .TH dhclient 8
 .SH NAME
 dhclient - Dynamic Host Configuration Protocol Client
@@ -44,6 +49,10 @@ dhclient - Dynamic Host Configuration Protocol Client
 .B -Ddq1
 ]
 [
+.B -cf
+.I config-file
+]
+[
 .B -lf
 .I lease-file
 ]
@@ -159,6 +168,11 @@ flag - if you wish to use alternate port numbers, you must configure
 any relay agents you are using to use the same alternate port numbers.
 .PP
 The 
+.B -cf
+flag may be used to change the shell script from the default of
+/sbin/dhclient-script.
+.PP
+The 
 .B -lf
 flag may be used to change the lease output file from the default of
 /var/db/dhclient.leases.
diff --git a/contrib/isc-dhcp/client/dhclient.c b/contrib/isc-dhcp/client/dhclient.c
index f47e47a..7fb1f14 100644
--- a/contrib/isc-dhcp/client/dhclient.c
+++ b/contrib/isc-dhcp/client/dhclient.c
@@ -301,8 +301,8 @@ static void usage (appname)
 	note (url);
 	note ("");
 
-	warn ("Usage: %s [-D] [-d] [-p <port>] [-lf lease-file]", appname);
-	error ("       [-pf pidfile] [-q] [-1] [interface]");
+	warn ("Usage: %s [-D] [-d] [-p <port>] [-cf conf-file]", appname);
+	error ("       [-lf lease-file] [-pf pidfile] [-q] [-1] [interface]");
 }
 
 void cleanup ()