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libbb: move netlink socket binding to the utility function

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function                                             old     new   delta
create_and_bind_to_netlink                             -     134    +134
ifplugd_main                                        1117    1052     -65
uevent_main                                          399     306     -93
mdev_main                                            314     215     -99
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(add/remove: 1/0 grow/shrink: 0/3 up/down: 134/-257)         Total: -123 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko
2019-06-03 14:16:52 +02:00
parent 498cec202a
commit 45e3967c20
5 changed files with 55 additions and 56 deletions
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10
networking/ifplugd.c
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@ -604,15 +604,7 @@ int ifplugd_main(int argc UNUSED_PARAM, char **argv)
xmove_fd(xsocket(AF_INET, SOCK_DGRAM, 0), ioctl_fd);
if (opts & FLAG_MONITOR) {
struct sockaddr_nl addr;
int fd = xsocket(PF_NETLINK, SOCK_DGRAM, NETLINK_ROUTE);
memset(&addr, 0, sizeof(addr));
addr.nl_family = AF_NETLINK;
addr.nl_groups = RTMGRP_LINK;
addr.nl_pid = getpid();
xbind(fd, (struct sockaddr*)&addr, sizeof(addr));
int fd = create_and_bind_to_netlink(NETLINK_ROUTE, RTMGRP_LINK, 0);
xmove_fd(fd, netlink_fd);
}