From 195214360c7cb107e86bfaa389812c879873f19c Mon Sep 17 00:00:00 2001
From: Nick Mathewson <nickm@torproject.org>
Date: Fri, 3 Sep 2010 16:42:16 -0400
Subject: [PATCH] Expose a function to add a nameserver by sockaddr

---
 evdns.c              | 12 ++++++++++++
 include/event2/dns.h |  9 ++++++++-
 2 files changed, 20 insertions(+), 1 deletion(-)

diff --git a/evdns.c b/evdns.c
index 1248d2ae..9c6b104f 100644
--- a/evdns.c
+++ b/evdns.c
@@ -2499,6 +2499,18 @@ evdns_nameserver_ip_add(const char *ip_as_string) {
 	return evdns_base_nameserver_ip_add(current_base, ip_as_string);
 }
 
+int
+evdns_base_nameserver_sockaddr_add(struct evdns_base *base,
+    const struct sockaddr *sa, ev_socklen_t len, unsigned flags)
+{
+	int res;
+	EVUTIL_ASSERT(base);
+	EVDNS_LOCK(base);
+	res = _evdns_nameserver_add_impl(base, sa, len);
+	EVDNS_UNLOCK(base);
+	return res;
+}
+
 /* remove from the queue */
 static void
 evdns_request_remove(struct request *req, struct request **head)
diff --git a/include/event2/dns.h b/include/event2/dns.h
index 98eedb47..bfb6dc9f 100644
--- a/include/event2/dns.h
+++ b/include/event2/dns.h
@@ -288,7 +288,7 @@ int evdns_base_clear_nameservers_and_suspend(struct evdns_base *base);
 int evdns_base_resume(struct evdns_base *base);
 
 /**
-  Add a nameserver.
+  Add a nameserver by string address.
 
   This function parses a n IPv4 or IPv6 address from a string and adds it as a
   nameserver.  It supports the following formats:
@@ -307,6 +307,13 @@ int evdns_base_resume(struct evdns_base *base);
 int evdns_base_nameserver_ip_add(struct evdns_base *base,
     const char *ip_as_string);
 
+/**
+   Add a nameserver by sockaddr.
+ **/
+int
+evdns_base_nameserver_sockaddr_add(struct evdns_base *base,
+    const struct sockaddr *sa, ev_socklen_t len, unsigned flags);
+
 struct evdns_request;
 
 /**