netlink_packet_route/link/
buffer_tool.rspub(crate) fn expand_buffer_if_small(got: &[u8], expected_size: usize, nla_name: &str) -> Vec<u8> {
let mut payload = got.to_vec();
match payload.len() {
l if l > expected_size => {
log::warn!(
"Specified {nla_name} NLA attribute holds \
more(most likely new kernel) data which is unknown to \
netlink-packet-route crate, expecting \
{expected_size}, got {}",
got.len()
);
}
l if l < expected_size => {
payload.extend_from_slice(&vec![0; expected_size - got.len()]);
}
_ => (),
}
payload
}