From a560d850d9cd24b06281897c97eb6afef3f00d8b Mon Sep 17 00:00:00 2001 From: Zhang Shengju Date: Wed, 12 Aug 2015 06:03:24 +0000 Subject: [PATCH] iplink: shortify printing the usage of link type Allow to print link type usage by: ip link help bridge_slave Signed-off-by: Zhang Shengju --- ip/iplink_bridge_slave.c | 16 ++++++++++++++-- 1 file changed, 14 insertions(+), 2 deletions(-) diff --git a/ip/iplink_bridge_slave.c b/ip/iplink_bridge_slave.c index a2851855..4593872e 100644 --- a/ip/iplink_bridge_slave.c +++ b/ip/iplink_bridge_slave.c @@ -19,9 +19,9 @@ #include "utils.h" #include "ip_common.h" -static void explain(void) +static void print_explain(FILE *f) { - fprintf(stderr, + fprintf(f, "Usage: ... bridge_slave [ state STATE ] [ priority PRIO ] [cost COST ]\n" " [ guard {on | off} ]\n" " [ hairpin {on | off} ] \n" @@ -32,6 +32,11 @@ static void explain(void) ); } +static void explain(void) +{ + print_explain(stderr); +} + static const char *port_states[] = { [BR_STATE_DISABLED] = "disabled", [BR_STATE_LISTENING] = "listening", @@ -172,10 +177,17 @@ static int bridge_slave_parse_opt(struct link_util *lu, int argc, char **argv, return 0; } +static void bridge_slave_print_help(struct link_util *lu, int argc, char **argv, + FILE *f) +{ + print_explain(f); +} + struct link_util bridge_slave_link_util = { .id = "bridge", .maxattr = IFLA_BRPORT_MAX, .print_opt = bridge_slave_print_opt, .parse_opt = bridge_slave_parse_opt, + .print_help = bridge_slave_print_help, .slave = true, }; -- 2.39.2