xref: /illumos-gate/usr/src/lib/libcurses/screen/slk_label.c (revision d48be21240dfd051b689384ce2b23479d757f2d8)
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 /*LINTLIBRARY*/
41 
42 #include	<sys/types.h>
43 #include	"curses_inc.h"
44 
45 /* Return the current label of key number 'n'. */
46 
47 char *
48 slk_label(int n)
49 {
50 	SLK_MAP	*slk = SP->slk;
51 
52 	/*
53 	 * strip initial blanks
54 	 *
55 	 * for (; *lab != '\0'; ++lab)
56 	 * if (*lab != ' ')
57 	 *   break;
58 	 * strip trailing blanks
59 	 *
60 	 * for (; cp > lab; --cp)
61 	 * if (*(cp-1) != ' ')
62 	 *   break;
63 	 */
64 
65 	return ((!slk || n < 1 || n > slk->_num) ? NULL : slk->_lval[n - 1]);
66 }
67