diff options
| -rw-r--r-- | networking/nslookup.c | 25 |
1 files changed, 15 insertions, 10 deletions
diff --git a/networking/nslookup.c b/networking/nslookup.c index d1697f2..99f781e 100644 --- a/networking/nslookup.c +++ b/networking/nslookup.c @@ -263,7 +263,7 @@ struct ns { struct query { const char *name; - unsigned qlen, rlen; + unsigned qlen; // unsigned latency; // uint8_t rcode; unsigned char query[512]; @@ -560,8 +560,9 @@ static int send_queries(struct ns *ns) if (tcur - tsent >= retry_interval) { send: for (qn = 0; qn < G.query_count; qn++) { - if (G.query[qn].rlen) - continue; + if (G.query[qn].qlen == 0) + continue; /* this one was replied already */ + if (write(pfd.fd, G.query[qn].query, G.query[qn].qlen) < 0) { bb_perror_msg("write to '%s'", ns->name); n_replies = -1; /* "no go, try next server" */ @@ -614,7 +615,7 @@ static int send_queries(struct ns *ns) } } - if (G.query[qn].rlen) { + if (G.query[qn].qlen == 0) { dbg("dropped duplicate response to query %u\n", qn); goto next; } @@ -634,7 +635,7 @@ static int send_queries(struct ns *ns) } /* Process reply */ - G.query[qn].rlen = recvlen; + G.query[qn].qlen = 0; /* flag: "reply received" */ tcur = monotonic_ms(); #if 1 if (option_mask32 & OPT_debug) { @@ -733,8 +734,12 @@ static void add_query(int type, const char *dname) dbg("new query#%u type %u for '%s'\n", count, type, dname); new_q->name = dname; - qlen = res_mkquery(QUERY, dname, C_IN, type, NULL, 0, NULL, - new_q->query, sizeof(new_q->query)); + + qlen = res_mkquery(QUERY, dname, C_IN, type, + /*data:*/ NULL, /*datalen:*/ 0, + /*newrr:*/ NULL, + new_q->query, sizeof(new_q->query) + ); new_q->qlen = qlen; } @@ -913,13 +918,13 @@ int nslookup_main(int argc UNUSED_PARAM, char **argv) err = 0; for (rc = 0; rc < G.query_count; rc++) { - if (G.query[rc].rlen == 0) { + if (G.query[rc].qlen) { printf("*** Can't find %s: No answer\n", G.query[rc].name); err = 1; } } - if (err) - bb_putchar('\n'); /* should this affect exicode too? */ + if (err) /* should this affect exicode too? */ + bb_putchar('\n'); if (ENABLE_FEATURE_CLEAN_UP) { free(G.server); |