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 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 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 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