GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: lib/libc/stdlib/insque.c Lines: 0 8 0.0 %
Date: 2017-11-13 Branches: 0 4 0.0 %

Line Branch Exec Source
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/*	$OpenBSD: insque.c,v 1.3 2014/08/15 04:14:36 guenther Exp $	*/
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/*
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 *  Copyright (c) 1993 John Brezak
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 *  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. The name of the author may be used to endorse or promote products
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 *     derived from this software without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR `AS IS'' AND ANY EXPRESS OR
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 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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 * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
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 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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 * 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,
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 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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 * POSSIBILITY OF SUCH DAMAGE.
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 */
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#include <stdlib.h>
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#include <search.h>
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struct qelem {
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        struct qelem *q_forw;
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        struct qelem *q_back;
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};
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void
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insque(void *entry, void *pred)
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{
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	struct qelem *e = entry;
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	struct qelem *p = pred;
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	if (p == NULL)
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		e->q_forw = e->q_back = NULL;
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	else {
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		e->q_forw = p->q_forw;
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		e->q_back = p;
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		if (p->q_forw != NULL)
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			p->q_forw->q_back = e;
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		p->q_forw = e;
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	}
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}