ntpd: eliminate one time(NULL) call

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

diff --git a/networking/ntpd.c b/networking/ntpd.c
index ca79e033814006645b5e6afbf86a419ffea52670..1e6c4da7f943a86e3011edef6d4fc335d87410d0 100644 (file)
--- a/networking/ntpd.c
+++ b/networking/ntpd.c
@@ -326,7 +326,6 @@ send_query_to_peer(ntp_peer_t *p)
         *
         * Save the real transmit timestamp locally.
         */
-
        p->msg.m_xmttime.int_partl = random();
        p->msg.m_xmttime.fractionl = random();
        p->xmttime = gettime1900d();
@@ -577,6 +576,9 @@ recv_and_process_peer_pkt(ntp_peer_t *p)
         || msg.m_stratum == 0
         || msg.m_stratum > NTP_MAXSTRATUM
        ) {
+// TODO: stratum 0 responses may have commands in 32-bit m_refid field:
+// "DENY", "RSTR" - peer does not like us at all
+// "RATE" - peer is overloaded, reduce polling freq
                interval = error_interval();
                bb_error_msg("reply from %s: not synced, next query in %us", p->dotted, interval);
                goto close_sock;
@@ -596,7 +598,6 @@ recv_and_process_peer_pkt(ntp_peer_t *p)
         *
         *    d = (T4 - T1) - (T3 - T2)     t = ((T2 - T1) + (T3 - T4)) / 2.
         */
-
        T4 = gettime1900d();
        T1 = p->xmttime;
        T2 = lfp_to_d(msg.m_rectime);
@@ -613,7 +614,7 @@ recv_and_process_peer_pkt(ntp_peer_t *p)
                goto close_sock;
        }
        //UNUSED: offset->o_error = (T2 - T1) - (T3 - T4);
-       offset->o_rcvd = time(NULL); /* can use (time_t)(T4 - OFFSET_1900_1970) too */
+       offset->o_rcvd = (time_t)(T4 - OFFSET_1900_1970); /* = time(NULL); */
        offset->o_good = 1;
 
        offset->o_leap = (msg.m_status & LI_MASK);