xref: /onnv-gate/usr/src/lib/libc/port/stdio/ctermid.c (revision 6812:febeba71273d)
10Sstevel@tonic-gate /*
20Sstevel@tonic-gate  * CDDL HEADER START
30Sstevel@tonic-gate  *
40Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*6812Sraf  * Common Development and Distribution License (the "License").
6*6812Sraf  * You may not use this file except in compliance with the License.
70Sstevel@tonic-gate  *
80Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
90Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
100Sstevel@tonic-gate  * See the License for the specific language governing permissions
110Sstevel@tonic-gate  * and limitations under the License.
120Sstevel@tonic-gate  *
130Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
140Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
150Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
160Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
170Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
180Sstevel@tonic-gate  *
190Sstevel@tonic-gate  * CDDL HEADER END
200Sstevel@tonic-gate  */
21*6812Sraf 
220Sstevel@tonic-gate /*
23*6812Sraf  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
240Sstevel@tonic-gate  * Use is subject to license terms.
250Sstevel@tonic-gate  */
260Sstevel@tonic-gate 
270Sstevel@tonic-gate /*	Copyright (c) 1988 AT&T	*/
280Sstevel@tonic-gate /*	  All Rights Reserved  	*/
290Sstevel@tonic-gate 
30*6812Sraf #pragma ident	"%Z%%M%	%I%	%E% SMI"
310Sstevel@tonic-gate 
32*6812Sraf #pragma weak _ctermid = ctermid
330Sstevel@tonic-gate 
34*6812Sraf #include "lint.h"
350Sstevel@tonic-gate #include "mtlib.h"
360Sstevel@tonic-gate #include <stdio.h>
370Sstevel@tonic-gate #include <string.h>
380Sstevel@tonic-gate #include <thread.h>
390Sstevel@tonic-gate #include <synch.h>
400Sstevel@tonic-gate 
410Sstevel@tonic-gate static const char res[L_ctermid] = "/dev/tty";
420Sstevel@tonic-gate 
430Sstevel@tonic-gate /*
440Sstevel@tonic-gate  * non-reentrant version in ctermid_r.c
450Sstevel@tonic-gate  */
460Sstevel@tonic-gate char *
ctermid(char * s)470Sstevel@tonic-gate ctermid(char *s)
480Sstevel@tonic-gate {
490Sstevel@tonic-gate 	if (s == NULL)
500Sstevel@tonic-gate 		return ((char *)res);
510Sstevel@tonic-gate 	return (strcpy(s, res));
520Sstevel@tonic-gate }
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