nslookup: set default DNS server again. Hopefully helps with 675
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/networking/nslookup.c b/networking/nslookup.c
index f4fd407..dd4b1ff 100644
--- a/networking/nslookup.c
+++ b/networking/nslookup.c
@@ -138,6 +138,9 @@
{
len_and_sockaddr *lsa;
+ if (!server)
+ return;
+
/* NB: this works even with, say, "[::1]:5353"! :) */
lsa = xhost2sockaddr(server, 53);
@@ -181,9 +184,17 @@
/* (but it also says "may be enabled in /etc/resolv.conf") */
/*_res.options |= RES_USE_INET6;*/
- if (argv[2])
- set_default_dns(argv[2]);
+ set_default_dns(argv[2]);
server_print();
+
+ /* getaddrinfo and friends are free to request a resolver
+ * reinitialization. Just in case, set_default_dns() again
+ * after getaddrinfo (in server_print). This reportedly helps
+ * with bug 675 "nslookup does not properly use second argument"
+ * at least on Debian Wheezy and Openwrt AA (eglibc based).
+ */
+ set_default_dns(argv[2]);
+
return print_host(argv[1], "Name:");
}