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 <stdlib.h>
35 #include "private.h"
36
37 /* Connect and disconnect an item list from a menu */
38
39
40 /* Find the maximum length name and description */
41
42 static void
maxlengths(MENU * m)43 maxlengths(MENU *m)
44 {
45 int maxn, maxd;
46 ITEM **ip;
47
48 maxn = maxd = 0;
49 for (ip = Items(m); *ip; ip++) {
50 if (NameLen(*ip) > maxn) {
51 maxn = NameLen(*ip);
52 }
53 if (DescriptionLen(*ip) > maxd) {
54 maxd = DescriptionLen(*ip);
55 }
56 }
57 MaxName(m) = maxn;
58 MaxDesc(m) = maxd;
59 }
60
61 int
_connect(MENU * m,ITEM ** items)62 _connect(MENU *m, ITEM **items)
63 {
64 ITEM **ip;
65 int i;
66
67 /* Is the list of items connected to any other menu? */
68 for (ip = items; *ip; ip++) {
69 /* Return Null if item points to a menu */
70 if (Imenu(*ip)) {
71 return (FALSE);
72 }
73 }
74
75 for (i = 0, ip = items; *ip; ip++) {
76 /* Return FALSE if this item is a prevoious item */
77 if (Imenu(*ip)) {
78 for (ip = items; *ip; ip++) {
79 /* Reset index and menu pointers */
80 Index(*ip) = 0;
81 Imenu(*ip) = (MENU *) NULL;
82 }
83 return (FALSE);
84 }
85 if (OneValue(m)) {
86 /* Set all values to FALSE if selection not allowed */
87 Value(*ip) = FALSE;
88 }
89 Index(*ip) = i++;
90 Imenu(*ip) = m;
91 }
92
93 Nitems(m) = i;
94 Items(m) = items;
95
96 /* Go pick up the sizes of names and descriptions */
97 maxlengths(m);
98
99 /* Set up match buffer */
100 if ((Pattern(m) = (char *)malloc((unsigned)MaxName(m)+1)) ==
101 (char *)0) {
102 return (FALSE);
103 }
104
105 IthPattern(m, 0) = '\0';
106 Pindex(m) = 0;
107 (void) set_menu_format(m, FRows(m), FCols(m));
108 Current(m) = IthItem(m, 0);
109 Top(m) = 0;
110 return (TRUE);
111 }
112
113 void
_disconnect(MENU * m)114 _disconnect(MENU *m)
115 {
116 ITEM **ip;
117
118 for (ip = Items(m); *ip; ip++) {
119 /* Release items for another menu */
120 Imenu(*ip) = (MENU *) NULL;
121 }
122 free(Pattern(m));
123 Pattern(m) = NULL;
124 Items(m) = (ITEM **) NULL;
125 Nitems(m) = 0;
126 }
127