97 lines
2.0 KiB
C
97 lines
2.0 KiB
C
/*
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* low-level ip_address ugliness
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* Copyright (C) 2000 Henry Spencer.
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*
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* This library is free software; you can redistribute it and/or modify it
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* under the terms of the GNU Library General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version. See <http://www.fsf.org/copyleft/lgpl.txt>.
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*
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* This library is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public
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* License for more details.
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*/
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#include <sys/socket.h>
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#include "internal.h"
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#include "freeswan.h"
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/*
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- portof - get the port field of an ip_address
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*/
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int /* network order */
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portof(src)
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const ip_address *src;
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{
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switch (src->u.v4.sin_family) {
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case AF_INET:
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return src->u.v4.sin_port;
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break;
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case AF_INET6:
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return src->u.v6.sin6_port;
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break;
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default:
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return -1; /* "can't happen" */
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break;
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}
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}
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/*
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- setportof - set the port field of an ip_address
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*/
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void
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setportof(port, dst)
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int port; /* network order */
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ip_address *dst;
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{
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switch (dst->u.v4.sin_family) {
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case AF_INET:
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dst->u.v4.sin_port = port;
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break;
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case AF_INET6:
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dst->u.v6.sin6_port = port;
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break;
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}
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}
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/*
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- sockaddrof - get a pointer to the sockaddr hiding inside an ip_address
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*/
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struct sockaddr *
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sockaddrof(src)
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ip_address *src;
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{
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switch (src->u.v4.sin_family) {
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case AF_INET:
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return (struct sockaddr *)&src->u.v4;
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break;
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case AF_INET6:
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return (struct sockaddr *)&src->u.v6;
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break;
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default:
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return NULL; /* "can't happen" */
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break;
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}
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}
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/*
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- sockaddrlenof - get length of the sockaddr hiding inside an ip_address
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*/
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size_t /* 0 for error */
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sockaddrlenof(src)
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const ip_address *src;
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{
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switch (src->u.v4.sin_family) {
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case AF_INET:
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return sizeof(src->u.v4);
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break;
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case AF_INET6:
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return sizeof(src->u.v6);
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break;
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default:
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return 0;
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break;
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}
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}
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