ntpd: print result of hostname resolution

This is particularly useful if hostname resolution is triggered by
host non-reachability: I saw this in real-life, without the message
it is not at all obvious that IP that we use for a specific host
has changed.

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

diff --git a/networking/ntpd.c b/networking/ntpd.c
index bfd5705fcd30a8ab2293eec6baa2c7a02ec6c119..5cc71ca7a266479c76c638f0a5f6300be29a340b 100644 (file)
--- a/networking/ntpd.c
+++ b/networking/ntpd.c
@@ -757,7 +757,7 @@ reset_peer_stats(peer_t *p, double offset)
         * and clear reachable bits, but this proved to be too agressive:
         * after step (tested with suspending laptop for ~30 secs),
         * this caused all previous data to be considered invalid,
-        * making us needing to collect full ~8 datapoins per peer
+        * making us needing to collect full ~8 datapoints per peer
         * after step in order to start trusting them.
         * In turn, this was making poll interval decrease even after
         * step was done. (Poll interval decreases already before step
@@ -800,6 +800,8 @@ resolve_peer_hostname(peer_t *p)
                free(p->p_dotted);
                p->p_lsa = lsa;
                p->p_dotted = xmalloc_sockaddr2dotted_noport(&lsa->u.sa);
+               VERB1 if (strcmp(p->p_hostname, p->p_dotted) != 0)
+                       bb_error_msg("'%s' is %s", p->p_hostname, p->p_dotted);
        } else {
                /* error message is emitted by host2sockaddr() */
                set_next(p, HOSTNAME_INTERVAL);