GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: usr.bin/talk/get_addrs.c Lines: 0 15 0.0 %
Date: 2016-12-06 Branches: 0 8 0.0 %

Line Branch Exec Source
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/*	$OpenBSD: get_addrs.c,v 1.10 2016/02/01 07:29:25 mestre Exp $	*/
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/*	$NetBSD: get_addrs.c,v 1.3 1994/12/09 02:14:14 jtc Exp $	*/
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/*
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 * Copyright (c) 1983, 1993
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 *	The Regents of the University of California.  All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 * 1. Redistributions of source code must retain the above copyright
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 *    notice, this list of conditions and the following disclaimer.
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 * 2. Redistributions in binary form must reproduce the above copyright
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 *    notice, this list of conditions and the following disclaimer in the
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 *    documentation and/or other materials provided with the distribution.
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 * 3. Neither the name of the University nor the names of its contributors
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 *    may be used to endorse or promote products derived from this software
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 *    without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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 * SUCH DAMAGE.
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 */
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#include <err.h>
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#include <netdb.h>
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#include <string.h>
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#include <unistd.h>
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#include "talk.h"
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#include "talk_ctl.h"
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void
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get_addrs(char *my_machine_name, char *his_machine_name)
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{
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	struct hostent *hp;
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	struct servent *sp;
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	msg.pid = htonl(getpid());
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	/* look up the address of the local host */
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	hp = gethostbyname(my_machine_name);
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	if (hp == NULL)
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		errx(1, "%s: %s", my_machine_name, hstrerror(h_errno));
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	bcopy(hp->h_addr, &my_machine_addr, hp->h_length);
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	/*
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	 * If the callee is on-machine, just copy the
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	 * network address, otherwise do a lookup...
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	 */
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	if (strcmp(his_machine_name, my_machine_name)) {
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		hp = gethostbyname(his_machine_name);
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		if (hp == NULL)
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			errx(1, "%s: %s", his_machine_name, hstrerror(h_errno));
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		bcopy(hp->h_addr, &his_machine_addr, hp->h_length);
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	} else
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		his_machine_addr = my_machine_addr;
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	/* find the server's port */
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	sp = getservbyname("ntalk", "udp");
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	if (sp == NULL)
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		errx(1, "ntalk/udp: service is not registered.");
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	daemon_port = sp->s_port;
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}