1 /* $OpenBSD: lstForEachFrom.c,v 1.20 2015/10/14 13:52:11 espie Exp $ */
2 /* $NetBSD: lstForEachFrom.c,v 1.5 1996/11/06 17:59:42 christos Exp $ */
3
4 /*
5 * Copyright (c) 1988, 1989, 1990, 1993
6 * The Regents of the University of California. All rights reserved.
7 *
8 * This code is derived from software contributed to Berkeley by
9 * Adam de Boor.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 * 3. Neither the name of the University nor the names of its contributors
20 * may be used to endorse or promote products derived from this software
21 * without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
34 */
35
36 /*-
37 * lstForEachFrom.c --
38 * Perform a given function on all elements of a list starting from
39 * a given point.
40 */
41
42 #include "lstInt.h"
43 #include <stdlib.h>
44
45 /*-
46 *-----------------------------------------------------------------------
47 * Lst_ForEachFrom --
48 * Apply the given function to each element of the given list. The
49 * function should return 0 if traversal should continue and non-
50 * zero if it should abort.
51 *
52 * Side Effects:
53 * Only those created by the passed-in function.
54 *-----------------------------------------------------------------------
55 */
56 void
Lst_ForEachFrom(LstNode ln,ForEachProc proc,void * d)57 Lst_ForEachFrom(LstNode ln, ForEachProc proc, void *d)
58 {
59 LstNode tln;
60
61 for (tln = ln; tln != NULL; tln = tln->nextPtr)
62 (*proc)(tln->datum, d);
63 }
64
65 void
Lst_Every(Lst l,SimpleProc proc)66 Lst_Every(Lst l, SimpleProc proc)
67 {
68 LstNode tln;
69
70 for (tln = l->firstPtr; tln != NULL; tln = tln->nextPtr)
71 (*proc)(tln->datum);
72 }
73