/* Helper for SA_LEN macro.

   Copyright (C) 2013-2018 Free Software Foundation, Inc.

   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or

   modify it under the terms of the GNU Lesser General Public

   License as published by the Free Software Foundation; either

   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library 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

   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public

   License along with the GNU C Library; if not, see

   <http://www.gnu.org/licenses/>.  */

#include <sys/socket.h>

/* If _HAVE_SA_LEN is defined, then SA_LEN just uses sockaddr.sa_len

   and there is no need for a helper function.  */

#ifndef _HAVE_SA_LEN

/* All configurations have at least these two headers

   and their associated address families.  */

# include <netinet/in.h>

# include <sys/un.h>

/* More-specific sa_len.c files #define these various HAVE_*_H

   macros and then #include this file.  */

# ifdef HAVE_NETASH_ASH_H

#  include <netash/ash.h>

# endif

# ifdef HAVE_NETATALK_AT_H

#  include <netatalk/at.h>

# endif

# ifdef HAVE_NETAX25_AX25_H

#  include <netax25/ax25.h>

# endif

# ifdef HAVE_NETECONET_EC_H

#  include <neteconet/ec.h>

# endif

# ifdef HAVE_NETIPX_IPX_H

#  include <netipx/ipx.h>

# endif

# ifdef HAVE_NETPACKET_PACKET_H

#  include <netpacket/packet.h>

# endif

# ifdef HAVE_NETROSE_ROSE_H

#  include <netrose/rose.h>

# endif

# ifdef HAVE_NETIUCV_IUCV_H

#  include <netiucv/iucv.h>

# endif

int

__libc_sa_len (sa_family_t af)

{

  switch (af)

    {

# ifdef HAVE_NETATALK_AT_H

    case AF_APPLETALK:

      return sizeof (struct sockaddr_at);

# endif

# ifdef HAVE_NETASH_ASH_H

    case AF_ASH:

      return sizeof (struct sockaddr_ash);

# endif

# ifdef HAVE_NETAX25_AX25_H

    case AF_AX25:

      return sizeof (struct sockaddr_ax25);

# endif

# ifdef HAVE_NETECONET_EC_H

    case AF_ECONET:

      return sizeof (struct sockaddr_ec);

# endif

    case AF_INET:

      return sizeof (struct sockaddr_in);

    case AF_INET6:

      return sizeof (struct sockaddr_in6);

# ifdef HAVE_NETIPX_IPX_H

    case AF_IPX:

      return sizeof (struct sockaddr_ipx);

# endif

# ifdef HAVE_NETIUCV_IUCV_H

    case AF_IUCV:

      return sizeof (struct sockaddr_iucv);

# endif

    case AF_LOCAL:

      return sizeof (struct sockaddr_un);

# ifdef HAVE_NETPACKET_PACKET_H

    case AF_PACKET:

      return sizeof (struct sockaddr_ll);

# endif

# ifdef HAVE_NETROSE_ROSE_H

    case AF_ROSE:

      return sizeof (struct sockaddr_rose);

# endif

    }

  return 0;

}

libc_hidden_def (__libc_sa_len)

#endif  /* Not _HAVE_SA_LEN.  */