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sd-netlink: introduce sd_genl_message_get_family()

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This commit is contained in:
Yu Watanabe
2019-10-15 01:57:19 +09:00
parent 2be081ffd6
commit 31e78d1042
2 changed files with 17 additions and 0 deletions
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src/libsystemd/sd-netlink/generic-netlink.c
+16
View File
@@ -158,3 +158,19 @@ int nlmsg_type_to_genl_family(sd_netlink *nl, uint16_t type, sd_genl_family *ret
return 0;
}
int sd_genl_message_get_family(sd_netlink *nl, sd_netlink_message *m, sd_genl_family *family) {
uint16_t type;
int r;
assert_return(m, -EINVAL);
assert_return(nl, -EINVAL);
assert_return(nl->protocol == NETLINK_GENERIC, -EINVAL);
assert_return(family, -EINVAL);
r = sd_netlink_message_get_type(m, &type);
if (r < 0)
return r;
return nlmsg_type_to_genl_family(nl, type, family);
}
src/systemd/sd-netlink.h
+1
View File
@@ -204,6 +204,7 @@ int sd_rtnl_message_routing_policy_rule_get_flags(sd_netlink_message *m, unsigne
/* genl */
int sd_genl_socket_open(sd_netlink **nl);
int sd_genl_message_new(sd_netlink *nl, sd_genl_family family, uint8_t cmd, sd_netlink_message **m);
int sd_genl_message_get_family(sd_netlink *nl, sd_netlink_message *m, sd_genl_family *family);
/* slot */
sd_netlink_slot *sd_netlink_slot_ref(sd_netlink_slot *nl);