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/* Helper for SA_LEN macro.
Copyright (C) 2013-2020 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
<https://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. */
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