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109 lines
2.8 KiB
C
109 lines
2.8 KiB
C
/* Helper for SA_LEN macro.
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Copyright (C) 2013-2018 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#include <sys/socket.h>
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/* If _HAVE_SA_LEN is defined, then SA_LEN just uses sockaddr.sa_len
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and there is no need for a helper function. */
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#ifndef _HAVE_SA_LEN
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/* All configurations have at least these two headers
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and their associated address families. */
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# include <netinet/in.h>
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# include <sys/un.h>
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/* More-specific sa_len.c files #define these various HAVE_*_H
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macros and then #include this file. */
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# ifdef HAVE_NETASH_ASH_H
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# include <netash/ash.h>
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# endif
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# ifdef HAVE_NETATALK_AT_H
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# include <netatalk/at.h>
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# endif
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# ifdef HAVE_NETAX25_AX25_H
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# include <netax25/ax25.h>
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# endif
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# ifdef HAVE_NETECONET_EC_H
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# include <neteconet/ec.h>
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# endif
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# ifdef HAVE_NETIPX_IPX_H
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# include <netipx/ipx.h>
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# endif
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# ifdef HAVE_NETPACKET_PACKET_H
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# include <netpacket/packet.h>
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# endif
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# ifdef HAVE_NETROSE_ROSE_H
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# include <netrose/rose.h>
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# endif
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# ifdef HAVE_NETIUCV_IUCV_H
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# include <netiucv/iucv.h>
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# endif
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int
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__libc_sa_len (sa_family_t af)
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{
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switch (af)
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{
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# ifdef HAVE_NETATALK_AT_H
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case AF_APPLETALK:
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return sizeof (struct sockaddr_at);
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# endif
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# ifdef HAVE_NETASH_ASH_H
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case AF_ASH:
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return sizeof (struct sockaddr_ash);
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# endif
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# ifdef HAVE_NETAX25_AX25_H
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case AF_AX25:
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return sizeof (struct sockaddr_ax25);
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# endif
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# ifdef HAVE_NETECONET_EC_H
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case AF_ECONET:
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return sizeof (struct sockaddr_ec);
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# endif
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case AF_INET:
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return sizeof (struct sockaddr_in);
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case AF_INET6:
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return sizeof (struct sockaddr_in6);
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# ifdef HAVE_NETIPX_IPX_H
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case AF_IPX:
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return sizeof (struct sockaddr_ipx);
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# endif
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# ifdef HAVE_NETIUCV_IUCV_H
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case AF_IUCV:
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return sizeof (struct sockaddr_iucv);
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# endif
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case AF_LOCAL:
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return sizeof (struct sockaddr_un);
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# ifdef HAVE_NETPACKET_PACKET_H
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case AF_PACKET:
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return sizeof (struct sockaddr_ll);
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# endif
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# ifdef HAVE_NETROSE_ROSE_H
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case AF_ROSE:
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return sizeof (struct sockaddr_rose);
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# endif
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}
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return 0;
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}
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libc_hidden_def (__libc_sa_len)
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#endif /* Not _HAVE_SA_LEN. */
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