1*7c478bd9Sstevel@tonic-gate /*
2*7c478bd9Sstevel@tonic-gate * CDDL HEADER START
3*7c478bd9Sstevel@tonic-gate *
4*7c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the
5*7c478bd9Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only
6*7c478bd9Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance
7*7c478bd9Sstevel@tonic-gate * with the License.
8*7c478bd9Sstevel@tonic-gate *
9*7c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*7c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
11*7c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions
12*7c478bd9Sstevel@tonic-gate * and limitations under the License.
13*7c478bd9Sstevel@tonic-gate *
14*7c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
15*7c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*7c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
17*7c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
18*7c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
19*7c478bd9Sstevel@tonic-gate *
20*7c478bd9Sstevel@tonic-gate * CDDL HEADER END
21*7c478bd9Sstevel@tonic-gate */
22*7c478bd9Sstevel@tonic-gate /* Copyright (c) 1988 AT&T */
23*7c478bd9Sstevel@tonic-gate /* All Rights Reserved */
24*7c478bd9Sstevel@tonic-gate
25*7c478bd9Sstevel@tonic-gate
26*7c478bd9Sstevel@tonic-gate /*
27*7c478bd9Sstevel@tonic-gate * Copyright (c) 1997, by Sun Microsystems, Inc.
28*7c478bd9Sstevel@tonic-gate * All rights reserved.
29*7c478bd9Sstevel@tonic-gate */
30*7c478bd9Sstevel@tonic-gate
31*7c478bd9Sstevel@tonic-gate /*LINTLIBRARY*/
32*7c478bd9Sstevel@tonic-gate
33*7c478bd9Sstevel@tonic-gate #include <sys/types.h>
34*7c478bd9Sstevel@tonic-gate #include "utility.h"
35*7c478bd9Sstevel@tonic-gate
36*7c478bd9Sstevel@tonic-gate #define first(f) (0)
37*7c478bd9Sstevel@tonic-gate #define last(f) (f->maxpage - 1)
38*7c478bd9Sstevel@tonic-gate
39*7c478bd9Sstevel@tonic-gate /* next - return next page after current page(cyclic) */
40*7c478bd9Sstevel@tonic-gate static int
next(FORM * f)41*7c478bd9Sstevel@tonic-gate next(FORM *f)
42*7c478bd9Sstevel@tonic-gate {
43*7c478bd9Sstevel@tonic-gate int p = P(f);
44*7c478bd9Sstevel@tonic-gate
45*7c478bd9Sstevel@tonic-gate if (++p > last(f))
46*7c478bd9Sstevel@tonic-gate p = first(f);
47*7c478bd9Sstevel@tonic-gate return (p);
48*7c478bd9Sstevel@tonic-gate }
49*7c478bd9Sstevel@tonic-gate
50*7c478bd9Sstevel@tonic-gate /* prev - return previous page before current page(cyclic) */
51*7c478bd9Sstevel@tonic-gate static int
prev(FORM * f)52*7c478bd9Sstevel@tonic-gate prev(FORM *f)
53*7c478bd9Sstevel@tonic-gate {
54*7c478bd9Sstevel@tonic-gate int p = P(f);
55*7c478bd9Sstevel@tonic-gate
56*7c478bd9Sstevel@tonic-gate if (--p < first(f))
57*7c478bd9Sstevel@tonic-gate p = last(f);
58*7c478bd9Sstevel@tonic-gate return (p);
59*7c478bd9Sstevel@tonic-gate }
60*7c478bd9Sstevel@tonic-gate
61*7c478bd9Sstevel@tonic-gate int
_next_page(FORM * f)62*7c478bd9Sstevel@tonic-gate _next_page(FORM *f)
63*7c478bd9Sstevel@tonic-gate {
64*7c478bd9Sstevel@tonic-gate return (_set_form_page(f, next(f), (FIELD *) 0));
65*7c478bd9Sstevel@tonic-gate }
66*7c478bd9Sstevel@tonic-gate
67*7c478bd9Sstevel@tonic-gate int
_prev_page(FORM * f)68*7c478bd9Sstevel@tonic-gate _prev_page(FORM *f)
69*7c478bd9Sstevel@tonic-gate {
70*7c478bd9Sstevel@tonic-gate return (_set_form_page(f, prev(f), (FIELD *) 0));
71*7c478bd9Sstevel@tonic-gate }
72*7c478bd9Sstevel@tonic-gate
73*7c478bd9Sstevel@tonic-gate int
_first_page(FORM * f)74*7c478bd9Sstevel@tonic-gate _first_page(FORM *f)
75*7c478bd9Sstevel@tonic-gate {
76*7c478bd9Sstevel@tonic-gate return (_set_form_page(f, first(f), (FIELD *) 0));
77*7c478bd9Sstevel@tonic-gate }
78*7c478bd9Sstevel@tonic-gate
79*7c478bd9Sstevel@tonic-gate int
_last_page(FORM * f)80*7c478bd9Sstevel@tonic-gate _last_page(FORM *f)
81*7c478bd9Sstevel@tonic-gate {
82*7c478bd9Sstevel@tonic-gate return (_set_form_page(f, last(f), (FIELD *) 0));
83*7c478bd9Sstevel@tonic-gate }
84