/*
* 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));
}