/*
* call-seq:
* TCPSocket.gethostbyname(hostname) => [official_hostname, alias_hostnames, address_family, *address_list]
*
* Lookups host information by _hostname_.
*
* TCPSocket.gethostbyname("localhost")
* #=> ["localhost", ["hal"], 2, "127.0.0.1"]
*
*/
static VALUE
tcp_s_gethostbyname(VALUE obj, VALUE host)
{
rb_secure(3);
return rsock_make_hostent(host, rsock_addrinfo(host, Qnil, SOCK_STREAM, AI_CANONNAME),
tcp_sockaddr);
}
/*
* call-seq:
* TCPSocket.gethostbyname(hostname) => [official_hostname, alias_hostnames, address_family, *address_list]
*
* Use Addrinfo.getaddrinfo instead.
* This method is deprecated for the following reasons:
*
* - The 3rd element of the result is the address family of the first address.
* The address families of the rest of the addresses are not returned.
* - gethostbyname() may take a long time and it may block other threads.
* (GVL cannot be released since gethostbyname() is not thread safe.)
* - This method uses gethostbyname() function already removed from POSIX.
*
* This method lookups host information by _hostname_.
*
* TCPSocket.gethostbyname("localhost")
* #=> ["localhost", ["hal"], 2, "127.0.0.1"]
*
*/
static VALUE
tcp_s_gethostbyname(VALUE obj, VALUE host)
{
struct rb_addrinfo *res =
rsock_addrinfo(host, Qnil, AF_UNSPEC, SOCK_STREAM, AI_CANONNAME);
return rsock_make_hostent(host, res, tcp_sockaddr);
}
