xref: /illumos-gate/usr/src/lib/libc/port/gen/tell.c (revision 4c87aefe8930bd07275b8dd2e96ea5f24d93a52e)
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 2008 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 #pragma ident	"%Z%%M%	%I%	%E% SMI"
31 
32 /*
33  * return offset in file.
34  */
35 
36 #include <sys/feature_tests.h>
37 
38 #if !defined(_LP64) && _FILE_OFFSET_BITS == 64
39 #pragma weak _tell64 = tell64
40 #else
41 #pragma weak _tell = tell
42 #endif
43 
44 #include "lint.h"
45 #include <fcntl.h>
46 #include <stdio.h>
47 #include <unistd.h>
48 #include <sys/types.h>
49 
50 #if !defined(_LP64) && _FILE_OFFSET_BITS == 64
51 
52 off64_t
53 tell64(int f)
54 {
55 	return (lseek64(f, 0, SEEK_CUR));
56 }
57 
58 #else
59 
60 off_t
61 tell(int f)
62 {
63 	return (lseek(f, 0, SEEK_CUR));
64 }
65 
66 #endif  /* _FILE_OFFSET_BITS == 64 */
67