62 lines
1.3 KiB
C
62 lines
1.3 KiB
C
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/*
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This file is part of libcapwap.
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libcapwap is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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libcapwap 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
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Foobar. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#ifdef AF_LINK
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# include <net/if_dl.h>
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#endif
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#ifdef AF_PACKET
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# include <netpacket/packet.h>
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#endif
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#include "sock.h"
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/**
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* Determine the length of a sockaddr struct
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*/
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int sock_addrlen(const struct sockaddr * sa)
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{
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/* determine length */
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switch(sa->sa_family){
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case AF_INET:
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return sizeof(struct sockaddr_in);
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#ifdef WITH_IPV6
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case AF_INET6:
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return sizeof(struct sockaddr_in6);
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#endif
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#ifdef AF_PACKET
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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 AF_LINK
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case AF_LINK:
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return sizeof(struct sockaddr_dl);
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#endif
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default:
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return 0;
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}
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}
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