util.c
1.06 KB
/* GNU Mailutils -- a suite of utilities for electronic mail
Copyright (C) 2010-2012, 2014-2017 Free Software Foundation, Inc.
GNU Mailutils is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.
GNU Mailutils is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNU Mailutils. If not, see <http://www.gnu.org/licenses/>. */
#include "mu.h"
int
port_from_sa (struct mu_sockaddr *sa)
{
switch (sa->addr->sa_family)
{
case AF_INET:
return ntohs (((struct sockaddr_in *)sa->addr)->sin_port);
#ifdef MAILUTILS_IPV6
case AF_INET6:
return ntohs (((struct sockaddr_in6 *)sa->addr)->sin6_port);
#endif
}
return 0;
}