* ext/socket: define and use union_sockaddr instead of struct
  sockaddr_storage for less casts.

* ext/socket/rubysocket.h (union_sockaddr): defined.

* ext/socket/socket.c (sock_accept): use union_sockaddr.
  (sock_accept_nonblock): ditto.
  (sock_sysaccept): ditto.
  (sock_s_getnameinfo): ditto.

* ext/socket/basicsocket.c (bsock_getsockname): ditto.
  (bsock_getpeername): ditto.
  (bsock_local_address): ditto.
  (bsock_remote_address): ditto.

* ext/socket/ancdata.c (bsock_recvmsg_internal): ditto.

* ext/socket/init.c (recvfrom_arg): ditto.
  (recvfrom_blocking): ditto.
  (rsock_s_recvfrom): ditto.
  (rsock_s_recvfrom_nonblock): ditto.
  (rsock_getfamily): ditto.

* ext/socket/raddrinfo.c (rb_addrinfo_t): ditto.
  (ai_get_afamily): ditto.
  (inspect_sockaddr): ditto.
  (addrinfo_mdump): ditto.
  (addrinfo_mload): ditto.
  (addrinfo_getnameinfo): ditto.
  (addrinfo_ip_port): ditto.
  (extract_in_addr): ditto.
  (addrinfo_ipv6_to_ipv4): ditto.
  (addrinfo_unix_path): ditto.

* ext/socket/tcpserver.c (tcp_accept): ditto.
  (tcp_accept_nonblock): ditto.
  (tcp_sysaccept): ditto.

* ext/socket/ipsocket.c (ip_addr): ditto.
  (ip_peeraddr): ditto.
  (ip_s_getaddress): ditto.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39477 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* 2013-02-25

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39478 b2dd03c8-39d4-4d8f-98ff-823fe69b080e