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/* ip port (port), for libreswan
*
* Copyright (C) 2020 Andrew Cagney
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Library General Public License as published by
* the Free Software Foundation; either version 2 of the License, or (at your
* option) any later version. See <https://www.gnu.org/licenses/lgpl-2.1.txt>.
*
* This 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 Library General Public
* License for more details.
*/
#include <netdb.h> /* for getservbyname() */
#include <arpa/inet.h> /* for ntohs() */
#include <stdlib.h> /* for strtol() */
#include "jambuf.h"
#include "constants.h" /* for thingeq() */
#include "ip_port.h"
const ip_port unset_port; /* aka all ports? */
ip_port ip_hport(unsigned hport)
{
ip_port port = { .hport = hport, };
return port;
}
ip_port ip_nport(unsigned nport)
{
return ip_hport(ntohs(nport));
}
unsigned hport(const ip_port port)
{
return port.hport;
}
unsigned nport(const ip_port port)
{
return htons(port.hport);
}
bool port_is_unset(ip_port port)
{
return thingeq(port, unset_port);
}
size_t jam_hport(struct jambuf *buf, ip_port port)
{
return jam(buf, PRI_HPORT, hport(port));
}
size_t jam_nport(struct jambuf *buf, ip_port port)
{
return jam(buf, PRI_NPORT, pri_nport(port));
}
const char *str_hport(ip_port port, port_buf *buf)
{
struct jambuf jambuf = ARRAY_AS_JAMBUF(buf->buf);
jam_hport(&jambuf, port);
return buf->buf;
}
const char *str_nport(ip_port port, port_buf *buf)
{
struct jambuf jambuf = ARRAY_AS_JAMBUF(buf->buf);
jam_nport(&jambuf, port);
return buf->buf;
}
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