/*      $NetBSD: in_print.c,v 1.1 2014/12/02 19:35:27 christos Exp $    */

/*-
* Copyright (c) 2014 The NetBSD Foundation, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
*    notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
*    notice, this list of conditions and the following disclaimer in the
*    documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/cdefs.h>

#include <sys/types.h>
#ifdef _KERNEL
__KERNEL_RCSID(0, "$NetBSD: in_print.c,v 1.1 2014/12/02 19:35:27 christos Exp $");
#include <sys/systm.h>
#else
__RCSID("$NetBSD: in_print.c,v 1.1 2014/12/02 19:35:27 christos Exp $");
#include <stdio.h>
#endif
#include <netinet/in.h>

int
in_print(char *buf, size_t len, const struct in_addr *ia)
{
       const in_addr_t a = ntohl(ia->s_addr);
       return snprintf(buf, len, "%d.%d.%d.%d",
           (a >> 24) & 0xff, (a >> 16) & 0xff,
           (a >>  8) & 0xff, (a >>  0) & 0xff);
}

int
sin_print(char *buf, size_t len, const void *v)
{
       const struct sockaddr_in *sin = v;
       const struct in_addr *ia = &sin->sin_addr;
       char abuf[INET_ADDRSTRLEN];

       if (!sin->sin_port)
               return in_print(buf, len, ia);

       in_print(abuf, sizeof(abuf), ia);
       return snprintf(buf, len, "%s:%hu", abuf, ntohs(sin->sin_port));
}