xref: /csrg-svn/usr.bin/make/lst.lib/lstInit.c (revision 40412)
1 /*
2  * Copyright (c) 1988, 1989, 1990 The Regents of the University of California.
3  * All rights reserved.
4  *
5  * This code is derived from software contributed to Berkeley by
6  * Adam de Boor.
7  *
8  * Redistribution and use in source and binary forms are permitted
9  * provided that the above copyright notice and this paragraph are
10  * duplicated in all such forms and that any documentation,
11  * advertising materials, and other materials related to such
12  * distribution and use acknowledge that the software was developed
13  * by the University of California, Berkeley.  The name of the
14  * University may not be used to endorse or promote products derived
15  * from this software without specific prior written permission.
16  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
17  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
18  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
19  */
20 
21 #ifndef lint
22 static char sccsid[] = "@(#)lstInit.c	5.2 (Berkeley) 03/11/90";
23 #endif /* not lint */
24 
25 /*-
26  * init.c --
27  *	Initialize a new linked list.
28  */
29 
30 #include	"lstInt.h"
31 
32 /*-
33  *-----------------------------------------------------------------------
34  * Lst_Init --
35  *	Create and initialize a new list.
36  *
37  * Results:
38  *	The created list.
39  *
40  * Side Effects:
41  *	A list is created, what else?
42  *
43  *-----------------------------------------------------------------------
44  */
45 Lst
46 Lst_Init(circ)
47     Boolean		circ;	/* TRUE if the list should be made circular */
48 {
49     register List	nList;
50 
51     PAlloc (nList, List);
52 
53     nList->firstPtr = NilListNode;
54     nList->lastPtr = NilListNode;
55     nList->isOpen = FALSE;
56     nList->isCirc = circ;
57     nList->atEnd = Unknown;
58 
59     return ((Lst)nList);
60 }
61 
62 Malloc(nbytes)
63 {
64 #ifdef DEBUG
65     printf("malloc: %d\n", nbytes);
66 #endif DEBUG
67     return(malloc(nbytes));
68 }
69