GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: lib/libc/net/inet_makeaddr.c Lines: 0 8 0.0 %
Date: 2017-11-13 Branches: 0 6 0.0 %

Line Branch Exec Source
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/*	$OpenBSD: inet_makeaddr.c,v 1.7 2015/01/16 16:48:51 deraadt 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 <netinet/in.h>
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#include <arpa/inet.h>
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/*
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 * Formulate an Internet address from network + host.  Used in
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 * building addresses stored in the ifnet structure.
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 */
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struct in_addr
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inet_makeaddr(in_addr_t net, in_addr_t host)
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{
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	in_addr_t addr;
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	if (net < 128)
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		addr = (net << IN_CLASSA_NSHIFT) | (host & IN_CLASSA_HOST);
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	else if (net < 65536)
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		addr = (net << IN_CLASSB_NSHIFT) | (host & IN_CLASSB_HOST);
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	else if (net < 16777216L)
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		addr = (net << IN_CLASSC_NSHIFT) | (host & IN_CLASSC_HOST);
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	else
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		addr = net | host;
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	addr = htonl(addr);
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	return (*(struct in_addr *)&addr);
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}