freebsd-skq/usr.bin/make/lst.lib/lstInit.c
will 797262c9e9 There's no reason to use fancy forms of NULL. Replace all instances
of NIL, NILLST, NILLGNODE, etc. with NULL.

Obtained from:		OpenBSD
2000-12-02 18:58:01 +00:00

80 lines
2.7 KiB
C

/*
* 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. 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.
*
* @(#)lstInit.c 8.1 (Berkeley) 6/6/93
*/
#ifndef lint
#include <sys/cdefs.h>
__RCSID("$FreeBSD$");
#endif /* not lint */
/*-
* init.c --
* Initialize a new linked list.
*/
#include "lstInt.h"
/*-
*-----------------------------------------------------------------------
* Lst_Init --
* Create and initialize a new list.
*
* Results:
* The created list.
*
* Side Effects:
* A list is created, what else?
*
*-----------------------------------------------------------------------
*/
Lst
Lst_Init(circ)
Boolean circ; /* TRUE if the list should be made circular */
{
register List nList;
PAlloc (nList, List);
nList->firstPtr = NULL;
nList->lastPtr = NULL;
nList->isOpen = FALSE;
nList->isCirc = circ;
nList->atEnd = Unknown;
return ((Lst)nList);
}