From c5f33ba0f0003a55d3aa9252bf688161608f9f4e Mon Sep 17 00:00:00 2001
From: David Lawrence <source@isc.org>
Date: Mon, 31 Jan 2000 21:52:17 +0000
Subject: [PATCH] added isc_sockaddr_getport

---
 lib/isc/include/isc/sockaddr.h |  6 ++++++
 lib/isc/sockaddr.c             | 18 ++++++++++++++++++
 2 files changed, 24 insertions(+)

diff --git a/lib/isc/include/isc/sockaddr.h b/lib/isc/include/isc/sockaddr.h
index 6e5a896b28..838dc46b24 100644
--- a/lib/isc/include/isc/sockaddr.h
+++ b/lib/isc/include/isc/sockaddr.h
@@ -83,6 +83,12 @@ isc_sockaddr_setport(isc_sockaddr_t *sockaddr, in_port_t port);
  * Set the port of 'sockaddr' to 'port'.
  */
 
+in_port_t
+isc_sockaddr_getport(isc_sockaddr_t *sockaddr);
+/*
+ * Get the port stored in 'sockaddr'.
+ */
+
 isc_result_t
 isc_sockaddr_totext(const isc_sockaddr_t *sockaddr, isc_buffer_t *target);
 /*
diff --git a/lib/isc/sockaddr.c b/lib/isc/sockaddr.c
index e8ad07d2dc..feb00d3bbf 100644
--- a/lib/isc/sockaddr.c
+++ b/lib/isc/sockaddr.c
@@ -337,3 +337,21 @@ isc_sockaddr_setport(isc_sockaddr_t *sockaddr, in_port_t port) {
 		FATAL_ERROR(__FILE__, __LINE__, "unknown address family");
 	}
 }
+
+in_port_t
+isc_sockaddr_getport(isc_sockaddr_t *sockaddr) {
+	in_port_t port = 0;
+
+	switch (sockaddr->type.sa.sa_family) {
+	case AF_INET:
+		port = ntohs(sockaddr->type.sin.sin_port);
+		break;
+	case AF_INET6:
+		port = ntohs(sockaddr->type.sin6.sin6_port);
+		break;
+	default:
+		FATAL_ERROR(__FILE__, __LINE__, "unknown address family");
+	}
+
+	return (port);
+}