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 1.8 */
32
33 /*LINTLIBRARY*/
34
35 #include <sys/types.h>
36 #include <stdlib.h>
37 #include "private.h"
38
39 /* Connect and disconnect an item list from a menu */
40
41
42 /* Find the maximum length name and description */
43
44 static void
maxlengths(MENU * m)45 maxlengths(MENU *m)
46 {
47 int maxn, maxd;
48 ITEM **ip;
49
50 maxn = maxd = 0;
51 for (ip = Items(m); *ip; ip++) {
52 if (NameLen(*ip) > maxn) {
53 maxn = NameLen(*ip);
54 }
55 if (DescriptionLen(*ip) > maxd) {
56 maxd = DescriptionLen(*ip);
57 }
58 }
59 MaxName(m) = maxn;
60 MaxDesc(m) = maxd;
61 }
62
63 int
_connect(MENU * m,ITEM ** items)64 _connect(MENU *m, ITEM **items)
65 {
66 ITEM **ip;
67 int i;
68
69 /* Is the list of items connected to any other menu? */
70 for (ip = items; *ip; ip++) {
71 /* Return Null if item points to a menu */
72 if (Imenu(*ip)) {
73 return (FALSE);
74 }
75 }
76
77 for (i = 0, ip = items; *ip; ip++) {
78 /* Return FALSE if this item is a prevoious item */
79 if (Imenu(*ip)) {
80 for (ip = items; *ip; ip++) {
81 /* Reset index and menu pointers */
82 Index(*ip) = 0;
83 Imenu(*ip) = (MENU *) NULL;
84 }
85 return (FALSE);
86 }
87 if (OneValue(m)) {
88 /* Set all values to FALSE if selection not allowed */
89 Value(*ip) = FALSE;
90 }
91 Index(*ip) = i++;
92 Imenu(*ip) = m;
93 }
94
95 Nitems(m) = i;
96 Items(m) = items;
97
98 /* Go pick up the sizes of names and descriptions */
99 maxlengths(m);
100
101 /* Set up match buffer */
102 if ((Pattern(m) = (char *)malloc((unsigned)MaxName(m)+1)) ==
103 (char *)0) {
104 return (FALSE);
105 }
106
107 IthPattern(m, 0) = '\0';
108 Pindex(m) = 0;
109 (void) set_menu_format(m, FRows(m), FCols(m));
110 Current(m) = IthItem(m, 0);
111 Top(m) = 0;
112 return (TRUE);
113 }
114
115 void
_disconnect(MENU * m)116 _disconnect(MENU *m)
117 {
118 ITEM **ip;
119
120 for (ip = Items(m); *ip; ip++) {
121 /* Release items for another menu */
122 Imenu(*ip) = (MENU *) NULL;
123 }
124 free(Pattern(m));
125 Pattern(m) = NULL;
126 Items(m) = (ITEM **) NULL;
127 Nitems(m) = 0;
128 }
129