* ext/socket: always operate length of socket addess companion with
  socket address. 

* ext/socket/rubysocket.h (rsock_make_ipaddr): add an argument for
  socket address length.
  (rsock_ipaddr): ditto.

* ext/socket/ipsocket.c (ip_addr): pass length to rsock_ipaddr.
  (ip_peeraddr): ditto.
  (ip_s_getaddress): pass length to rsock_make_ipaddr.

* ext/socket/socket.c (make_addrinfo): pass length to rsock_ipaddr.
  (sock_s_getnameinfo): pass actual address length to rb_getnameinfo.
  (sock_s_unpack_sockaddr_in): pass length to rsock_make_ipaddr.
  
* ext/socket/init.c (rsock_s_recvfrom): pass length to rsock_ipaddr.
  (rsock_s_recvfrom_nonblock): ditto.

* ext/socket/tcpsocket.c (tcp_sockaddr): pass length to
  rsock_make_ipaddr.

* ext/socket/raddrinfo.c (make_ipaddr0): add an argument for socket
  address length.  pass the length to rb_getnameinfo.
  (rsock_ipaddr): ditto.
  (rsock_make_ipaddr): add an argument for socket address length. 
  pass the length to make_ipaddr0.
  (make_inetaddr): pass length to make_ipaddr0.
  a local variable renamed.
  (host_str): a local variable renamed.
  (port_str): ditto.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39239 b2dd03c8-39d4-4d8f-98ff-823fe69b080e