2009-11-08  Aurelien Jarno  <aurelien@aurel32.net>

	* resolv/res_init.c (__res_vinit): Initialize nameserver to the
	loopback address if none specified.

--- a/resolv/res_init.c
+++ b/resolv/res_init.c
@@ -176,13 +176,6 @@ __res_vinit(res_state statp, int preinit) {
 		statp->id = res_randomid();
 	}
 
-#ifdef USELOOPBACK
-	statp->nsaddr.sin_addr = inet_makeaddr(IN_LOOPBACKNET, 1);
-#else
-	statp->nsaddr.sin_addr.s_addr = INADDR_ANY;
-#endif
-	statp->nsaddr.sin_family = AF_INET;
-	statp->nsaddr.sin_port = htons(NAMESERVER_PORT);
 	statp->nscount = 0;
 	statp->ndots = 1;
 	statp->pfcode = 0;
@@ -433,6 +426,16 @@ __res_vinit(res_state statp, int preinit) {
 #endif
 	    (void) fclose(fp);
 	}
+	if (statp->nscount == 0) {
+	    statp->nscount = 1;
+#ifdef USELOOPBACK
+	    statp->nsaddr.sin_addr = inet_makeaddr(IN_LOOPBACKNET, 1);
+#else
+	    statp->nsaddr.sin_addr.s_addr = INADDR_ANY;
+#endif
+	    statp->nsaddr.sin_family = AF_INET;
+	    statp->nsaddr.sin_port = htons(NAMESERVER_PORT);
+	}
 	if (statp->defdname[0] == 0 &&
 	    __gethostname(buf, sizeof(statp->defdname) - 1) == 0 &&
 	    (cp = strchr(buf, '.')) != NULL)