1 files changed, 16 insertions, 2 deletions

diff --git a/libbb/xconnect.c b/libbb/xconnect.c
index 2eb4cb9be..975844500 100644
--- a/libbb/xconnect.c
+++ b/libbb/xconnect.c
@@ -35,6 +35,19 @@ int FAST_FUNC setsockopt_bindtodevice(int fd, const char *iface)
         return r;
 }
 
+len_and_sockaddr* FAST_FUNC get_sock_lsa(int fd)
+{
+        len_and_sockaddr *lsa;
+        socklen_t len = 0;
+
+        /* Can be optimized to do only one getsockname() */
+        if (getsockname(fd, NULL, &len) != 0)
+                return NULL;
+        lsa = xzalloc(LSA_LEN_SIZE + len);
+        lsa->len = len;
+        getsockname(fd, &lsa->u.sa, &lsa->len);
+        return lsa;
+}
 
 void FAST_FUNC xconnect(int s, const struct sockaddr *s_addr, socklen_t addrlen)
 {
@@ -51,8 +64,9 @@ void FAST_FUNC xconnect(int s, const struct sockaddr *s_addr, socklen_t addrlen)
 
 /* Return port number for a service.
  * If "port" is a number use it as the port.
- * If "port" is a name it is looked up in /etc/services, if it isnt found return
- * default_port */
+ * If "port" is a name it is looked up in /etc/services,
+ * if it isnt found return default_port
+ */
 unsigned FAST_FUNC bb_lookup_port(const char *port, const char *protocol, unsigned default_port)
 {
         unsigned port_nr = default_port;