xref: /illumos-gate/usr/src/lib/libc/port/gen/tell.c (revision ddb365bfc9e868ad24ccdcb0dc91af18b10df082)
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 /*
31  * return offset in file.
32  */
33 
34 #include <sys/feature_tests.h>
35 
36 #if !defined(_LP64) && _FILE_OFFSET_BITS == 64
37 #pragma weak _tell64 = tell64
38 #else
39 #pragma weak _tell = tell
40 #endif
41 
42 #include "lint.h"
43 #include <fcntl.h>
44 #include <stdio.h>
45 #include <unistd.h>
46 #include <sys/types.h>
47 
48 #if !defined(_LP64) && _FILE_OFFSET_BITS == 64
49 
50 off64_t
51 tell64(int f)
52 {
53 	return (lseek64(f, 0, SEEK_CUR));
54 }
55 
56 #else
57 
58 off_t
59 tell(int f)
60 {
61 	return (lseek(f, 0, SEEK_CUR));
62 }
63 
64 #endif  /* _FILE_OFFSET_BITS == 64 */
65