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iplink: use the short format to print help info 

Allow to print link type usage by: ip link help bridge

Signed-off-by: Zhang Shengju <zhangshengju@cmss.chinamobile.com>
This commit is contained in:
Zhang Shengju 2015-08-12 06:03:23 +00:00 committed by Stephen Hemminger
parent d8cf93de04
commit 43367ef7eb
1 changed files with 14 additions and 2 deletions
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16
ip/iplink_bridge.c
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@ -17,9 +17,9 @@
#include "utils.h" #include "utils.h"
#include "ip_common.h" #include "ip_common.h"
static void explain(void) static void print_explain(FILE *f)
{ {
fprintf(stderr, fprintf(f,
"Usage: ... bridge [ forward_delay FORWARD_DELAY ]\n" "Usage: ... bridge [ forward_delay FORWARD_DELAY ]\n"
" [ hello_time HELLO_TIME ]\n" " [ hello_time HELLO_TIME ]\n"
" [ max_age MAX_AGE ]\n" " [ max_age MAX_AGE ]\n"
@ -29,6 +29,11 @@ static void explain(void)
); );
} }
static void explain(void)
{
print_explain(stderr);
}
static int bridge_parse_opt(struct link_util *lu, int argc, char **argv, static int bridge_parse_opt(struct link_util *lu, int argc, char **argv,
struct nlmsghdr *n) struct nlmsghdr *n)
{ {
@ -111,9 +116,16 @@ static void bridge_print_opt(struct link_util *lu, FILE *f, struct rtattr *tb[])
rta_getattr_u32(tb[IFLA_BR_MAX_AGE])); rta_getattr_u32(tb[IFLA_BR_MAX_AGE]));
} }
static void bridge_print_help(struct link_util *lu, int argc, char **argv,
FILE *f)
{
print_explain(f);
}
struct link_util bridge_link_util = { struct link_util bridge_link_util = {
.id = "bridge", .id = "bridge",
.maxattr = IFLA_BR_MAX, .maxattr = IFLA_BR_MAX,
.parse_opt = bridge_parse_opt, .parse_opt = bridge_parse_opt,
.print_opt = bridge_print_opt, .print_opt = bridge_print_opt,
.print_help = bridge_print_help,
}; };