xref: /illumos-gate/usr/src/lib/libc/port/gen/strtoumax.c (revision f17620a4f72a29025a22655ba8735ccd20ae174f)
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 #include "lint.h"
28 #include <inttypes.h>
29 #include <sys/types.h>
30 #include <stdlib.h>
31 
32 /*
33  * Added for SUSv3 standard
34  */
35 
36 uintmax_t
37 strtoumax(const char *nptr, char **endptr, int base)
38 {
39 	return ((uintmax_t)strtoull(nptr, endptr, base));
40 }
41 
42 #if !defined(_LP64)
43 
44 /*
45  * 32-bit shadow function of strtoumax.
46  * When using the c89 compiler the largest int is 32-bits hence
47  * this function.  The pragma redefine_extname in inttypes.h selects
48  * the proper routine at compile time for the user application.
49  * NOTE: this function is only available in the 32-bit library.
50  */
51 
52 uint32_t
53 _strtoumax_c89(const char *nptr, char **endptr, int base)
54 {
55 	return ((uint32_t)strtoul(nptr, endptr, base));
56 }
57 #endif
58