xref: /illumos-gate/usr/src/lib/libc/port/gen/dup.c (revision b1d7ec75953cd517f5b7c3d9cb427ff8ec5d7d07)
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 (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 
22 /*
23  * Copyright 2010 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 #include 	"lint.h"
31 #include 	<sys/types.h>
32 #include	<fcntl.h>
33 
34 #pragma weak _dup = dup
35 int
36 dup(int fildes)
37 {
38 	return (fcntl(fildes, F_DUPFD, 0));
39 }
40 
41 #pragma weak _dup2 = dup2
42 int
43 dup2(int fildes, int fildes2)
44 {
45 	return (fcntl(fildes, F_DUP2FD, fildes2));
46 }
47