Fixed getpeername/getsockname situation

- Added IPv6 support to getsockname
- Simplified getpeername implementation
- Added family to return of getsockname and getpeername
and added modification to the manual to describe

3 files changed, 21 insertions, 11 deletions

diff --git a/doc/index.html b/doc/index.html
index 833c9a8..56c958f 100644
--- a/doc/index.html
+++ b/doc/index.html
@@ -134,7 +134,8 @@ and Lua 5.2 compatibility.
 <li> Added: IPv6 support;
 <ul>
 <li> <tt>Socket.connect</tt> and <tt>socket.bind</tt> support IPv6 addresses;
-<li> <tt>Getpeername</tt> and <tt>getsockname</tt> support IPv6 addresses;
+<li> <tt>Getpeername</tt> and <tt>getsockname</tt> support
+IPv6 addresses, and return the socket family as a third value;
 <li> URL module updated to support IPv6 host names;
 <li> New <tt>socket.tcp6</tt> and <tt>socket.udp6</tt> functions;
 <li> New <tt>socket.dns.getaddrinfo</tt> function;
diff --git a/doc/tcp.html b/doc/tcp.html
index dc1a0b6..5f39d0e 100644
--- a/doc/tcp.html
+++ b/doc/tcp.html
@@ -225,8 +225,9 @@ Returns information about the remote side of a connected client object.
 </p>
 
 <p class=return>
-Returns a string with the IP address of the peer, followed by the 
-port number that peer is using for the connection. 
+Returns a string with the IP address of the peer, the 
+port number that peer is using for the connection, 
+and a string with the family ("<tt>inet</tt>" or "<tt>inet6</tt>"). 
 In case of error, the method returns <b><tt>nil</tt></b>. 
 </p>
 
@@ -247,8 +248,10 @@ Returns the local address information associated to the object.
 </p>
 
 <p class=return>
-The method returns a string with local IP address and a number with 
-the port. In case of error, the method returns <b><tt>nil</tt></b>.
+The method returns a string with local IP address, a number with 
+the local port, 
+and a string with the family ("<tt>inet</tt>" or "<tt>inet6</tt>"). 
+In case of error, the method returns <b><tt>nil</tt></b>.
 </p>
 
 <!-- getstats +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ -->
diff --git a/doc/udp.html b/doc/udp.html
index 4a334b7..554fa31 100644
--- a/doc/udp.html
+++ b/doc/udp.html
@@ -140,8 +140,12 @@ Retrieves information about the peer
 associated with a connected UDP object.
 </p>
 
-<p class="return">
-Returns the IP address and port number of the peer.
+
+<p class=return>
+Returns a string with the IP address of the peer, the 
+port number that peer is using for the connection, 
+and a string with the family ("<tt>inet</tt>" or "<tt>inet6</tt>"). 
+In case of error, the method returns <b><tt>nil</tt></b>. 
 </p>
 
 <p class="note">
@@ -159,10 +163,12 @@ unconnected:<b>getsockname()</b>
 Returns the local address information associated to the object.
 </p>
 
-<p class="return">
-The method returns a string with local IP
-address and a number with the port. In case of error, the method
-returns <b><tt>nil</tt></b>.
+
+<p class=return>
+The method returns a string with local IP address, a number with 
+the local port, 
+and a string with the family ("<tt>inet</tt>" or "<tt>inet6</tt>"). 
+In case of error, the method returns <b><tt>nil</tt></b>.
 </p>
 
 <p class="note">