xref: /titanic_41/usr/src/lib/libc/port/stdio/fileno.c (revision fd9cb95cbb2f626355a60efb9d02c5f0a33c10e6)
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 #pragma weak fileno_unlocked = _fileno_unlocked
34 #pragma weak fileno = _fileno
35 
36 #include "synonyms.h"
37 #include "file64.h"
38 #include "mtlib.h"
39 #include <sys/types.h>
40 #include <stdio.h>
41 #include <thread.h>
42 #include <synch.h>
43 #include "stdiom.h"
44 
45 int
46 _fileno(FILE *iop)
47 {
48 	FLOCKRETURN(iop, iop->_file)
49 }
50 
51 int
52 _fileno_unlocked(FILE *iop)
53 {
54 	return (iop->_file);
55 }
56