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ifplugd: code shrink

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function                                             old     new   delta
ifplugd_main                                        1161    1144     -17

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2014-02-10 09:44:25 +01:00
parent 3e78f6f955
commit 50e4cc29f5
1 changed files with 12 additions and 10 deletions
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22
networking/ifplugd.c
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@ -289,8 +289,6 @@ static const struct {
{ "IFF_RUNNING" , &detect_link_iff },
};
static const char *strstatus(int status)
{
if (status == IFSTATUS_ERR)
@ -652,7 +650,6 @@ int ifplugd_main(int argc UNUSED_PARAM, char **argv)
delay_time = 0;
while (1) {
int iface_status_old;
int iface_exists_old;
switch (bb_got_signal) {
case SIGINT:
@ -678,12 +675,12 @@ int ifplugd_main(int argc UNUSED_PARAM, char **argv)
goto exiting;
}
iface_status_old = iface_status;
iface_exists_old = G.iface_exists;
if ((opts & FLAG_MONITOR)
&& (netlink_pollfd[0].revents & POLLIN)
) {
int iface_exists_old;
iface_exists_old = G.iface_exists;
G.iface_exists = check_existence_through_netlink();
if (G.iface_exists < 0) /* error */
goto exiting;
@ -696,6 +693,7 @@ int ifplugd_main(int argc UNUSED_PARAM, char **argv)
}
/* note: if !G.iface_exists, returns DOWN */
iface_status_old = iface_status;
iface_status = detect_link();
if (iface_status == IFSTATUS_ERR) {
if (!(opts & FLAG_MONITOR))
@ -709,7 +707,7 @@ int ifplugd_main(int argc UNUSED_PARAM, char **argv)
if (delay_time) {
/* link restored its old status before
* we run script. don't run the script: */
* we ran script. don't run the script: */
delay_time = 0;
} else {
delay_time = monotonic_sec();
@ -717,15 +715,19 @@ int ifplugd_main(int argc UNUSED_PARAM, char **argv)
delay_time += G.delay_up;
if (iface_status == IFSTATUS_DOWN)
delay_time += G.delay_down;
if (delay_time == 0)
delay_time++;
#if 0 /* if you are back in 1970... */
if (delay_time == 0) {
sleep(1);
delay_time = 1;
}
#endif
}
}
if (delay_time && (int)(monotonic_sec() - delay_time) >= 0) {
delay_time = 0;
if (run_script(iface_status_str) != 0)
goto exiting;
delay_time = 0;
}
} /* while (1) */