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 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 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 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