Function sodupsockaddr

freebsd/kern/uipc_socket.c:4088–4097

* Make a copy of a sockaddr in a malloced buffer of type M_SONAME. */

 * Make a copy of a sockaddr in a malloced buffer of type M_SONAME.
 */
struct sockaddr *
sodupsockaddr(const struct sockaddr *sa, int mflags)
{
	struct sockaddr *sa2;

	sa2 = malloc(sa->sa_len, M_SONAME, mflags);
	if (sa2)
		bcopy(sa, sa2, sa->sa_len);
	return sa2;
}

/*
 * Register per-socket destructor.