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 #pragma ident "%Z%%M% %I% %E% SMI" /* SVr4.0 1.6 */
32
33 /*LINTLIBRARY*/
34
35 #include <sys/types.h>
36 #include "private.h"
37
38 int
set_current_item(MENU * m,ITEM * current)39 set_current_item(MENU *m, ITEM *current)
40 {
41 int top;
42
43 if (m && current && Imenu(current) == m) {
44 if (Indriver(m)) {
45 return (E_BAD_STATE);
46 }
47 if (current != Current(m)) {
48 if (LinkNeeded(m)) {
49 _link_items(m);
50 }
51
52 top = Top(m);
53 _chk_current(m, &top, current);
54
55 /* Next clear the pattern buffer. */
56 Pindex(m) = 0;
57 IthPattern(m, Pindex(m)) = '\0';
58 _affect_change(m, top, current);
59 }
60 } else {
61 return (E_BAD_ARGUMENT);
62 }
63 return (E_OK);
64 }
65
66 ITEM *
current_item(MENU * m)67 current_item(MENU *m)
68 {
69 if (m && Items(m)) {
70 return (Current(m));
71 } else {
72 return ((ITEM *)0);
73 }
74 }
75
76 int
item_index(ITEM * i)77 item_index(ITEM *i)
78 {
79 if (i && Imenu(i)) {
80 return (Index(i));
81 } else {
82 return (-1);
83 }
84 }
85