1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate * CDDL HEADER START
3*0Sstevel@tonic-gate *
4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance
7*0Sstevel@tonic-gate * with the License.
8*0Sstevel@tonic-gate *
9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate * and limitations under the License.
13*0Sstevel@tonic-gate *
14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate *
20*0Sstevel@tonic-gate * CDDL HEADER END
21*0Sstevel@tonic-gate */
22*0Sstevel@tonic-gate /* Copyright (c) 1988 AT&T */
23*0Sstevel@tonic-gate /* All Rights Reserved */
24*0Sstevel@tonic-gate
25*0Sstevel@tonic-gate
26*0Sstevel@tonic-gate /*
27*0Sstevel@tonic-gate * Copyright (c) 1997, by Sun Microsystems, Inc.
28*0Sstevel@tonic-gate * All rights reserved.
29*0Sstevel@tonic-gate */
30*0Sstevel@tonic-gate
31*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" /* SVr4.0 1.1 */
32*0Sstevel@tonic-gate
33*0Sstevel@tonic-gate /*LINTLIBRARY*/
34*0Sstevel@tonic-gate
35*0Sstevel@tonic-gate #include <sys/types.h>
36*0Sstevel@tonic-gate #include "utility.h"
37*0Sstevel@tonic-gate
38*0Sstevel@tonic-gate #define first(f) (0)
39*0Sstevel@tonic-gate #define last(f) (f->maxpage - 1)
40*0Sstevel@tonic-gate
41*0Sstevel@tonic-gate /* next - return next page after current page(cyclic) */
42*0Sstevel@tonic-gate static int
next(FORM * f)43*0Sstevel@tonic-gate next(FORM *f)
44*0Sstevel@tonic-gate {
45*0Sstevel@tonic-gate int p = P(f);
46*0Sstevel@tonic-gate
47*0Sstevel@tonic-gate if (++p > last(f))
48*0Sstevel@tonic-gate p = first(f);
49*0Sstevel@tonic-gate return (p);
50*0Sstevel@tonic-gate }
51*0Sstevel@tonic-gate
52*0Sstevel@tonic-gate /* prev - return previous page before current page(cyclic) */
53*0Sstevel@tonic-gate static int
prev(FORM * f)54*0Sstevel@tonic-gate prev(FORM *f)
55*0Sstevel@tonic-gate {
56*0Sstevel@tonic-gate int p = P(f);
57*0Sstevel@tonic-gate
58*0Sstevel@tonic-gate if (--p < first(f))
59*0Sstevel@tonic-gate p = last(f);
60*0Sstevel@tonic-gate return (p);
61*0Sstevel@tonic-gate }
62*0Sstevel@tonic-gate
63*0Sstevel@tonic-gate int
_next_page(FORM * f)64*0Sstevel@tonic-gate _next_page(FORM *f)
65*0Sstevel@tonic-gate {
66*0Sstevel@tonic-gate return (_set_form_page(f, next(f), (FIELD *) 0));
67*0Sstevel@tonic-gate }
68*0Sstevel@tonic-gate
69*0Sstevel@tonic-gate int
_prev_page(FORM * f)70*0Sstevel@tonic-gate _prev_page(FORM *f)
71*0Sstevel@tonic-gate {
72*0Sstevel@tonic-gate return (_set_form_page(f, prev(f), (FIELD *) 0));
73*0Sstevel@tonic-gate }
74*0Sstevel@tonic-gate
75*0Sstevel@tonic-gate int
_first_page(FORM * f)76*0Sstevel@tonic-gate _first_page(FORM *f)
77*0Sstevel@tonic-gate {
78*0Sstevel@tonic-gate return (_set_form_page(f, first(f), (FIELD *) 0));
79*0Sstevel@tonic-gate }
80*0Sstevel@tonic-gate
81*0Sstevel@tonic-gate int
_last_page(FORM * f)82*0Sstevel@tonic-gate _last_page(FORM *f)
83*0Sstevel@tonic-gate {
84*0Sstevel@tonic-gate return (_set_form_page(f, last(f), (FIELD *) 0));
85*0Sstevel@tonic-gate }
86