1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License, Version 1.0 only
6 * (the "License"). You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22 /* Copyright (c) 1988 AT&T */
23 /* All Rights Reserved */
24
25
26 /*
27 * Copyright (c) 1997, by Sun Mircrosystems, Inc.
28 * All rights reserved.
29 */
30
31 /*LINTLIBRARY*/
32
33 #include <sys/types.h>
34 #include "private.h"
35
36 int
set_current_item(MENU * m,ITEM * current)37 set_current_item(MENU *m, ITEM *current)
38 {
39 int top;
40
41 if (m && current && Imenu(current) == m) {
42 if (Indriver(m)) {
43 return (E_BAD_STATE);
44 }
45 if (current != Current(m)) {
46 if (LinkNeeded(m)) {
47 _link_items(m);
48 }
49
50 top = Top(m);
51 _chk_current(m, &top, current);
52
53 /* Next clear the pattern buffer. */
54 Pindex(m) = 0;
55 IthPattern(m, Pindex(m)) = '\0';
56 _affect_change(m, top, current);
57 }
58 } else {
59 return (E_BAD_ARGUMENT);
60 }
61 return (E_OK);
62 }
63
64 ITEM *
current_item(MENU * m)65 current_item(MENU *m)
66 {
67 if (m && Items(m)) {
68 return (Current(m));
69 } else {
70 return ((ITEM *)0);
71 }
72 }
73
74 int
item_index(ITEM * i)75 item_index(ITEM *i)
76 {
77 if (i && Imenu(i)) {
78 return (Index(i));
79 } else {
80 return (-1);
81 }
82 }
83