arping: fix a bug where there is implicit count of 4G;
eliminate data/bss usage; code shrink
function old new delta
timeout_us 4 - -4
static.start 4 - -4
src 4 - -4
sock 4 - -4
sent 4 - -4
req_recv 4 - -4
received 4 - -4
last 4 - -4
dst 4 - -4
count 4 - -4
brd_sent 4 - -4
brd_recv 4 - -4
catcher 375 365 -10
me 20 - -20
he 20 - -20
arping_main 1941 1874 -67
------------------------------------------------------------------------------
(add/remove: 0/14 grow/shrink: 0/2 up/down: 0/-165) Total: -165 bytes
text data bss dec hex filename
783035 941 9244 793220 c1a84 busybox_old
782907 937 9156 793000 c19a8 busybox_unstripped
1 file changed