/* * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License, Version 1.0 only * (the "License"). You may not use this file except in compliance * with the License. * * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE * or http://www.opensolaris.org/os/licensing. * See the License for the specific language governing permissions * and limitations under the License. * * When distributing Covered Code, include this CDDL HEADER in each * file and include the License file at usr/src/OPENSOLARIS.LICENSE. * If applicable, add the following below this CDDL HEADER, with the * fields enclosed by brackets "[]" replaced with your own identifying * information: Portions Copyright [yyyy] [name of copyright owner] * * CDDL HEADER END */ /* Copyright (c) 1988 AT&T */ /* All Rights Reserved */ /* * Copyright (c) 1997, by Sun Microsystems, Inc. * All rights reserved. */ #pragma ident "%Z%%M% %I% %E% SMI" /* SVr4.0 1.1 */ /*LINTLIBRARY*/ #include <sys/types.h> #include "utility.h" #define first(f) (0) #define last(f) (f->maxpage - 1) /* next - return next page after current page(cyclic) */ static int next(FORM *f) { int p = P(f); if (++p > last(f)) p = first(f); return (p); } /* prev - return previous page before current page(cyclic) */ static int prev(FORM *f) { int p = P(f); if (--p < first(f)) p = last(f); return (p); } int _next_page(FORM *f) { return (_set_form_page(f, next(f), (FIELD *) 0)); } int _prev_page(FORM *f) { return (_set_form_page(f, prev(f), (FIELD *) 0)); } int _first_page(FORM *f) { return (_set_form_page(f, first(f), (FIELD *) 0)); } int _last_page(FORM *f) { return (_set_form_page(f, last(f), (FIELD *) 0)); }