ipaddress: tweak help text

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

2 files changed, 18 insertions, 11 deletions

diff --git a/networking/ip.c b/networking/ip.c
index 0d66d5319..36975c06e 100644
--- a/networking/ip.c
+++ b/networking/ip.c
@@ -140,17 +140,17 @@
 //kbuild:lib-$(CONFIG_IPTUNNEL) += ip.o
 //kbuild:lib-$(CONFIG_IPNEIGH) += ip.o
 
+//--------------123456789.123456789.123456789.123456789.123456789.123456789.123456789.123....79
 //usage:#define ipaddr_trivial_usage
 //usage:       "add|del IFADDR dev IFACE | show|flush [dev IFACE] [to PREFIX]"
 //usage:#define ipaddr_full_usage "\n\n"
 //usage:       "ipaddr add|change|replace|delete IFADDR dev IFACE\n"
-//usage:       "ipaddr show|flush [dev IFACE] [scope SCOPE-ID]\n"
-//usage:       "		[to PREFIX] [label PATTERN]\n"
-//usage:       "	IFADDR := PREFIX | ADDR peer PREFIX\n"
-//usage:       "		[broadcast ADDR] [anycast ADDR]\n"
+//usage:       "	IFADDR := PREFIX | ADDR peer PREFIX [broadcast ADDR] [anycast ADDR]\n"
 //usage:       "		[label STRING] [scope SCOPE-ID]\n"
+//usage:       "ipaddr show|flush [dev IFACE] [scope SCOPE-ID] [to PREFIX] [label PATTERN]\n"
 //usage:       "	SCOPE-ID := [host|link|global|NUMBER]"
 //usage:
+//--------------123456789.123456789.123456789.123456789.123456789.123456789.123456789.123....79
 //usage:#define iplink_trivial_usage
 //usage:       "set IFACE [up|down] [arp on|off] | show [IFACE]"
 //usage:#define iplink_full_usage "\n\n"
@@ -158,19 +158,20 @@
 //usage:       "	[mtu NUM] [name NAME] [qlen NUM] [address MAC]\n"
 //usage:       "iplink show [IFACE]"
 //usage:
+//--------------123456789.123456789.123456789.123456789.123456789.123456789.123456789.123....79
 //usage:#define iproute_trivial_usage
 //usage:       "list|flush|add|del|change|append|replace|test ROUTE"
 //usage:#define iproute_full_usage "\n\n"
 //usage:       "iproute list|flush SELECTOR\n"
 //usage:       "	SELECTOR := [root PREFIX] [match PREFIX] [proto RTPROTO]\n"
-//usage:       "	PREFIX := default|ADDRESS/MASK\n"
-//usage:       "iproute get ADDRESS [from ADDRESS iif IFACE]\n"
+//usage:       "	PREFIX := default|ADDR/MASK\n"
+//usage:       "iproute get ADDR [from ADDR iif IFACE]\n"
 //usage:       "	[oif IFACE] [tos TOS]\n"
 //usage:       "iproute add|del|change|append|replace|test ROUTE\n"
 //usage:       "	ROUTE := NODE_SPEC [INFO_SPEC]\n"
 //usage:       "	NODE_SPEC := PREFIX"IF_FEATURE_IP_RULE(" [table TABLE_ID]")" [proto RTPROTO] [scope SCOPE] [metric METRIC]\n"
 //usage:       "	INFO_SPEC := NH OPTIONS\n"
-//usage:       "	NH := [via [inet|inet6] ADDRESS] [dev IFACE] [src ADDRESS] [onlink]\n"
+//usage:       "	NH := [via [inet|inet6] ADDR] [dev IFACE] [src ADDR] [onlink]\n"
 //usage:       "	OPTIONS := [mtu [lock] NUM] [advmss [lock] NUM]"
 //upstream man ip-route:
 //======================
@@ -199,16 +200,18 @@
 //ENCAP_MPLS := mpls [ LABEL ]
 //ENCAP_IP := ip id TUNNEL_ID dst REMOTE_IP [ tos TOS ] [ ttl TTL ]
 //usage:
+//--------------123456789.123456789.123456789.123456789.123456789.123456789.123456789.123....79
 //usage:#define iprule_trivial_usage
 //usage:       "[list] | add|del SELECTOR ACTION"
 //usage:#define iprule_full_usage "\n\n"
 //usage:       "	SELECTOR := [from PREFIX] [to PREFIX] [tos TOS] [fwmark FWMARK]\n"
 //usage:       "			[dev IFACE] [pref NUMBER]\n"
-//usage:       "	ACTION := [table TABLE_ID] [nat ADDRESS]\n"
+//usage:       "	ACTION := [table TABLE_ID] [nat ADDR]\n"
 //usage:       "			[prohibit|reject|unreachable]\n"
 //usage:       "			[realms [SRCREALM/]DSTREALM]\n"
 //usage:       "	TABLE_ID := [local|main|default|NUMBER]"
 //usage:
+//--------------123456789.123456789.123456789.123456789.123456789.123456789.123456789.123....79
 //usage:#define iptunnel_trivial_usage
 //usage:       "add|change|del|show [NAME]\n"
 //usage:       "	[mode ipip|gre|sit]\n"
diff --git a/networking/libiproute/ipaddress.c b/networking/libiproute/ipaddress.c
index d9e099607..36d6b65c6 100644
--- a/networking/libiproute/ipaddress.c
+++ b/networking/libiproute/ipaddress.c
@@ -593,9 +593,13 @@ static int default_scope(inet_prefix *lcl)
 /* Return value becomes exitcode. It's okay to not return at all */
 static int ipaddr_modify(int cmd, int flags, char **argv)
 {
+	/* If you add stuff here, update ipaddr_full_usage */
 	static const char option[] ALIGN1 =
 		"peer\0""remote\0""broadcast\0""brd\0"
 		"anycast\0""scope\0""dev\0""label\0""local\0";
+#define option_peer      option
+#define option_broadcast (option           + sizeof("peer") + sizeof("remote"))
+#define option_anycast   (option_broadcast + sizeof("broadcast") + sizeof("brd"))
 	struct rtnl_handle rth;
 	struct {
 		struct nlmsghdr  n;
@@ -627,7 +631,7 @@ static int ipaddr_modify(int cmd, int flags, char **argv)
 
 		if (arg <= 1) { /* peer, remote */
 			if (peer_len) {
-				duparg("peer", *argv);
+				duparg(option_peer, *argv);
 			}
 			get_prefix(&peer, *argv, req.ifa.ifa_family);
 			peer_len = peer.bytelen;
@@ -639,7 +643,7 @@ static int ipaddr_modify(int cmd, int flags, char **argv)
 		} else if (arg <= 3) { /* broadcast, brd */
 			inet_prefix addr;
 			if (brd_len) {
-				duparg("broadcast", *argv);
+				duparg(option_broadcast, *argv);
 			}
 			if (LONE_CHAR(*argv, '+')) {
 				brd_len = -1;
@@ -655,7 +659,7 @@ static int ipaddr_modify(int cmd, int flags, char **argv)
 		} else if (arg == 4) { /* anycast */
 			inet_prefix addr;
 			if (any_len) {
-				duparg("anycast", *argv);
+				duparg(option_anycast, *argv);
 			}
 			get_addr(&addr, *argv, req.ifa.ifa_family);
 			if (req.ifa.ifa_family == AF_UNSPEC) {