79 lines
2.7 KiB
C
79 lines
2.7 KiB
C
/* $NetBSD: lstEnQueue.c,v 1.13 2009/01/23 21:26:30 dsl Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 1988, 1989, 1990, 1993
|
|
* The Regents of the University of California. All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to Berkeley by
|
|
* Adam de Boor.
|
|
*
|
|
* 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.
|
|
* 3. Neither the name of the University nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
|
|
*/
|
|
|
|
#ifndef MAKE_NATIVE
|
|
static char rcsid[] = "$NetBSD: lstEnQueue.c,v 1.13 2009/01/23 21:26:30 dsl Exp $";
|
|
#else
|
|
#include <sys/cdefs.h>
|
|
#ifndef lint
|
|
#if 0
|
|
static char sccsid[] = "@(#)lstEnQueue.c 8.1 (Berkeley) 6/6/93";
|
|
#else
|
|
__RCSID("$NetBSD: lstEnQueue.c,v 1.13 2009/01/23 21:26:30 dsl Exp $");
|
|
#endif
|
|
#endif /* not lint */
|
|
#endif
|
|
|
|
/*-
|
|
* LstEnQueue.c--
|
|
* Treat the list as a queue and place a datum at its end
|
|
*/
|
|
|
|
#include "lstInt.h"
|
|
|
|
/*-
|
|
*-----------------------------------------------------------------------
|
|
* Lst_EnQueue --
|
|
* Add the datum to the tail of the given list.
|
|
*
|
|
* Results:
|
|
* SUCCESS or FAILURE as returned by Lst_InsertAfter.
|
|
*
|
|
* Side Effects:
|
|
* the lastPtr field is altered all the time and the firstPtr field
|
|
* will be altered if the list used to be empty.
|
|
*
|
|
*-----------------------------------------------------------------------
|
|
*/
|
|
ReturnStatus
|
|
Lst_EnQueue(Lst l, void *d)
|
|
{
|
|
if (LstValid (l) == FALSE) {
|
|
return (FAILURE);
|
|
}
|
|
|
|
return (Lst_InsertAfter(l, Lst_Last(l), d));
|
|
}
|
|
|