xref: /csrg-svn/usr.bin/make/lst.lib/lstInit.c (revision 40411)
1*40411Sbostic /*-
2*40411Sbostic  * init.c --
3*40411Sbostic  *	Initialize a new linked list.
4*40411Sbostic  *
5*40411Sbostic  * Copyright (c) 1988 by University of California Regents
6*40411Sbostic  *
7*40411Sbostic  * Permission to use, copy, modify, and distribute this
8*40411Sbostic  * software and its documentation for any purpose and without
9*40411Sbostic  * fee is hereby granted, provided that the above copyright
10*40411Sbostic  * notice appears in all copies.  Neither the University of California nor
11*40411Sbostic  * Adam de Boor makes any representations about the suitability of this
12*40411Sbostic  * software for any purpose.  It is provided "as is" without
13*40411Sbostic  * express or implied warranty.
14*40411Sbostic  */
15*40411Sbostic #ifndef lint
16*40411Sbostic static char *rcsid =
17*40411Sbostic "$Id: lstInit.c,v 1.7 88/11/17 20:52:57 adam Exp $ SPRITE (Berkeley)";
18*40411Sbostic #endif lint
19*40411Sbostic 
20*40411Sbostic #include	"lstInt.h"
21*40411Sbostic 
22*40411Sbostic /*-
23*40411Sbostic  *-----------------------------------------------------------------------
24*40411Sbostic  * Lst_Init --
25*40411Sbostic  *	Create and initialize a new list.
26*40411Sbostic  *
27*40411Sbostic  * Results:
28*40411Sbostic  *	The created list.
29*40411Sbostic  *
30*40411Sbostic  * Side Effects:
31*40411Sbostic  *	A list is created, what else?
32*40411Sbostic  *
33*40411Sbostic  *-----------------------------------------------------------------------
34*40411Sbostic  */
35*40411Sbostic Lst
36*40411Sbostic Lst_Init(circ)
37*40411Sbostic     Boolean		circ;	/* TRUE if the list should be made circular */
38*40411Sbostic {
39*40411Sbostic     register List	nList;
40*40411Sbostic 
41*40411Sbostic     PAlloc (nList, List);
42*40411Sbostic 
43*40411Sbostic     nList->firstPtr = NilListNode;
44*40411Sbostic     nList->lastPtr = NilListNode;
45*40411Sbostic     nList->isOpen = FALSE;
46*40411Sbostic     nList->isCirc = circ;
47*40411Sbostic     nList->atEnd = Unknown;
48*40411Sbostic 
49*40411Sbostic     return ((Lst)nList);
50*40411Sbostic }
51*40411Sbostic 
52*40411Sbostic Malloc(nbytes)
53*40411Sbostic {
54*40411Sbostic #ifdef DEBUG
55*40411Sbostic     printf("malloc: %d\n", nbytes);
56*40411Sbostic #endif DEBUG
57*40411Sbostic     return(malloc(nbytes));
58*40411Sbostic }
59