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/* $NetBSD: support.c,v 1.2 1995/11/23 02:34:32 cgd Exp $ */
/*
* Copyright (c) 1994, 1995 Carnegie-Mellon University.
* All rights reserved.
*
* Author: Chris G. Demetriou
*
* Permission to use, copy, modify and distribute this software and
* its documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation.
*
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
* FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
* Carnegie Mellon requests users of this software to return to
*
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
* School of Computer Science
* Carnegie Mellon University
* Pittsburgh PA 15213-3890
*
* any improvements or extensions that they make and grant Carnegie the
* rights to redistribute these changes.
*/
/*
* Some C support functions that aren't (yet) in libkern or assembly.
*/
#include <sys/param.h>
#include <sys/errno.h>
struct qelem {
struct qelem *q_forw;
struct qelem *q_back;
};
void
_insque(entry, pred)
void *entry;
void *pred;
{
struct qelem *e = (struct qelem *) entry;
struct qelem *p = (struct qelem *) pred;
e->q_forw = p->q_forw;
e->q_back = p;
p->q_forw->q_back = e;
p->q_forw = e;
}
void
_remque(element)
void *element;
{
struct qelem *e = (struct qelem *) element;
e->q_forw->q_back = e->q_back;
e->q_back->q_forw = e->q_forw;
}
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