xref: /titanic_41/usr/src/lib/libc/port/gen/imaxabs.c (revision 45916cd2fec6e79bca5dee0421bd39e3c2910d1e)
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 
38 intmax_t
39 imaxabs(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 
54 int32_t
55 _imaxabs_c89(int32_t arg)
56 {
57 	return (abs(arg));
58 }
59 #endif
60