xref: /minix3/usr.bin/make/lst.lib/lstInit.c (revision 2e2caf591948f38f31c4e679c6277d2cb999cee7)
1*2e2caf59SThomas Veerman /*	$NetBSD: lstInit.c,v 1.12 2008/12/13 15:19:29 dsl Exp $	*/
2*2e2caf59SThomas Veerman 
3*2e2caf59SThomas Veerman /*
4*2e2caf59SThomas Veerman  * Copyright (c) 1988, 1989, 1990, 1993
5*2e2caf59SThomas Veerman  *	The Regents of the University of California.  All rights reserved.
6*2e2caf59SThomas Veerman  *
7*2e2caf59SThomas Veerman  * This code is derived from software contributed to Berkeley by
8*2e2caf59SThomas Veerman  * Adam de Boor.
9*2e2caf59SThomas Veerman  *
10*2e2caf59SThomas Veerman  * Redistribution and use in source and binary forms, with or without
11*2e2caf59SThomas Veerman  * modification, are permitted provided that the following conditions
12*2e2caf59SThomas Veerman  * are met:
13*2e2caf59SThomas Veerman  * 1. Redistributions of source code must retain the above copyright
14*2e2caf59SThomas Veerman  *    notice, this list of conditions and the following disclaimer.
15*2e2caf59SThomas Veerman  * 2. Redistributions in binary form must reproduce the above copyright
16*2e2caf59SThomas Veerman  *    notice, this list of conditions and the following disclaimer in the
17*2e2caf59SThomas Veerman  *    documentation and/or other materials provided with the distribution.
18*2e2caf59SThomas Veerman  * 3. Neither the name of the University nor the names of its contributors
19*2e2caf59SThomas Veerman  *    may be used to endorse or promote products derived from this software
20*2e2caf59SThomas Veerman  *    without specific prior written permission.
21*2e2caf59SThomas Veerman  *
22*2e2caf59SThomas Veerman  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23*2e2caf59SThomas Veerman  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24*2e2caf59SThomas Veerman  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25*2e2caf59SThomas Veerman  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26*2e2caf59SThomas Veerman  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27*2e2caf59SThomas Veerman  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28*2e2caf59SThomas Veerman  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29*2e2caf59SThomas Veerman  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30*2e2caf59SThomas Veerman  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31*2e2caf59SThomas Veerman  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32*2e2caf59SThomas Veerman  * SUCH DAMAGE.
33*2e2caf59SThomas Veerman  */
34*2e2caf59SThomas Veerman 
35*2e2caf59SThomas Veerman #ifndef MAKE_NATIVE
36*2e2caf59SThomas Veerman static char rcsid[] = "$NetBSD: lstInit.c,v 1.12 2008/12/13 15:19:29 dsl Exp $";
37*2e2caf59SThomas Veerman #else
38*2e2caf59SThomas Veerman #include <sys/cdefs.h>
39*2e2caf59SThomas Veerman #ifndef lint
40*2e2caf59SThomas Veerman #if 0
41*2e2caf59SThomas Veerman static char sccsid[] = "@(#)lstInit.c	8.1 (Berkeley) 6/6/93";
42*2e2caf59SThomas Veerman #else
43*2e2caf59SThomas Veerman __RCSID("$NetBSD: lstInit.c,v 1.12 2008/12/13 15:19:29 dsl Exp $");
44*2e2caf59SThomas Veerman #endif
45*2e2caf59SThomas Veerman #endif /* not lint */
46*2e2caf59SThomas Veerman #endif
47*2e2caf59SThomas Veerman 
48*2e2caf59SThomas Veerman /*-
49*2e2caf59SThomas Veerman  * init.c --
50*2e2caf59SThomas Veerman  *	Initialize a new linked list.
51*2e2caf59SThomas Veerman  */
52*2e2caf59SThomas Veerman 
53*2e2caf59SThomas Veerman #include	"lstInt.h"
54*2e2caf59SThomas Veerman 
55*2e2caf59SThomas Veerman /*-
56*2e2caf59SThomas Veerman  *-----------------------------------------------------------------------
57*2e2caf59SThomas Veerman  * Lst_Init --
58*2e2caf59SThomas Veerman  *	Create and initialize a new list.
59*2e2caf59SThomas Veerman  *
60*2e2caf59SThomas Veerman  * Input:
61*2e2caf59SThomas Veerman  *	circ		TRUE if the list should be made circular
62*2e2caf59SThomas Veerman  *
63*2e2caf59SThomas Veerman  * Results:
64*2e2caf59SThomas Veerman  *	The created list.
65*2e2caf59SThomas Veerman  *
66*2e2caf59SThomas Veerman  * Side Effects:
67*2e2caf59SThomas Veerman  *	A list is created, what else?
68*2e2caf59SThomas Veerman  *
69*2e2caf59SThomas Veerman  *-----------------------------------------------------------------------
70*2e2caf59SThomas Veerman  */
71*2e2caf59SThomas Veerman Lst
Lst_Init(Boolean circ)72*2e2caf59SThomas Veerman Lst_Init(Boolean circ)
73*2e2caf59SThomas Veerman {
74*2e2caf59SThomas Veerman     List	nList;
75*2e2caf59SThomas Veerman 
76*2e2caf59SThomas Veerman     PAlloc (nList, List);
77*2e2caf59SThomas Veerman 
78*2e2caf59SThomas Veerman     nList->firstPtr = NULL;
79*2e2caf59SThomas Veerman     nList->lastPtr = NULL;
80*2e2caf59SThomas Veerman     nList->isOpen = FALSE;
81*2e2caf59SThomas Veerman     nList->isCirc = circ;
82*2e2caf59SThomas Veerman     nList->atEnd = Unknown;
83*2e2caf59SThomas Veerman 
84*2e2caf59SThomas Veerman     return (nList);
85*2e2caf59SThomas Veerman }
86