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 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 * 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 77 item_index(ITEM *i) 78 { 79 if (i && Imenu(i)) { 80 return (Index(i)); 81 } else { 82 return (-1); 83 } 84 } 85