xref: /titanic_41/usr/src/lib/libc/port/gen/setlabel.c (revision 45916cd2fec6e79bca5dee0421bd39e3c2910d1e)
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 2004 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #pragma ident	"%Z%%M%	%I%	%E% SMI"
28 
29 /*	Copyright (c) 1988 AT&T	*/
30 /*	  All Rights Reserved  	*/
31 
32 
33 #include "synonyms.h"
34 #include "mtlib.h"
35 #include <pfmt.h>
36 #include <thread.h>
37 #include <string.h>
38 #include "pfmt_data.h"
39 
40 int
41 setlabel(const char *label)
42 {
43 	lrw_wrlock(&_rw_pfmt_label);
44 	if (!label)
45 		__pfmt_label[0] = '\0';
46 	else {
47 		(void) strncpy(__pfmt_label, label, sizeof (__pfmt_label) - 1);
48 		__pfmt_label[sizeof (__pfmt_label) - 1] = '\0';
49 	}
50 	lrw_unlock(&_rw_pfmt_label);
51 	return (0);
52 }
53