| /* Helper for SA_LEN macro. |
| Copyright (C) 2013-2014 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. */ |
