imaxabs.c revision 1219:f89f56c2d9ac
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/*
24 * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
25 * Use is subject to license terms.
26 */
27
28#pragma ident	"%Z%%M%	%I%	%E% SMI"
29
30#include "synonyms.h"
31#include <sys/types.h>
32#include <stdlib.h>
33
34/*
35 * Added for SUSv3 standard
36 */
37
38intmax_t
39imaxabs(intmax_t arg)
40{
41	return ((intmax_t)llabs((long long)arg));
42}
43
44#if !defined(_LP64)
45
46/*
47 * 32-bit shadow function of imaxabs.
48 * When using the c89 compiler the largest int is 32-bits hence
49 * this function.  The pragma redefine_extname in inttypes.h selects
50 * the proper routine at compile time for the user application.
51 * NOTE: this function is only available in the 32-bit library.
52 */
53
54int32_t
55_imaxabs_c89(int32_t arg)
56{
57	return (abs(arg));
58}
59#endif
60