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/*
23 * Copyright 1997 Sun Microsystems, Inc.  All rights reserved.
24 * Use is subject to license terms.
25 */
26
27/*	Copyright (c) 1988 AT&T	*/
28/*	  All Rights Reserved	*/
29
30/*
31 * University Copyright- Copyright (c) 1982, 1986, 1988
32 * The Regents of the University of California
33 * All Rights Reserved
34 *
35 * University Acknowledgment- Portions of this document are derived from
36 * software developed by the University of California, Berkeley, and its
37 * contributors.
38 */
39
40#pragma ident	"%Z%%M%	%I%	%E% SMI"
41
42/*LINTLIBRARY*/
43
44#include	<sys/types.h>
45#include	<string.h>
46#include	<unistd.h>
47#include	"curses_inc.h"
48
49/*
50 * Set a soft label.
51 *
52 * n:	label number
53 * lab:	the string
54 * f:	0, 1, 2 for left, center, right-justification
55 */
56
57int
58slk_set(int n, char *lab, int f)
59{
60	SLK_MAP	*slk = SP->slk;
61	int	len, slklen = slk->_len, left;
62	char		*cp, nlab[LABLEN + 1];
63
64	if ((slk == NULL) || f < 0 || f > 2 || n < 1 || n > slk->_num)
65		return (ERR);
66
67	/* 0-indexing internally */
68	n--;
69
70	if (lab == NULL) {
71		lab = "";
72
73	} else {
74		/* chop lengthy label */
75		/* LINTED */
76		if ((len = (int) strlen(lab)) > slklen)
77			lab[len = slklen] = '\0';
78	}
79
80	/* make the new display label */
81	for (cp = nlab + slklen - 1; cp >= nlab; cp--)
82		*cp = ' ';
83	nlab[slklen] = '\0';
84	if (f == 0)
85		left = 0;
86	else
87		left = (slklen - len) / ((f == 1) ? 2 : 1);
88
89	(void) memcpy(nlab + left, lab, len);
90
91	if (strcmp(slk->_ldis[n], nlab) != 0) {
92		(void) memcpy(slk->_lval[n], lab, len + 1);
93		(void) memcpy(slk->_ldis[n], nlab, slklen + 1);
94		slk->_changed = slk->_lch[n] = TRUE;
95	}
96
97	return (OK);
98}
99