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 2016 Gary Mills
24 * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
25 * Use is subject to license terms.
26 */
27
28/*	Copyright (c) 1988 AT&T	*/
29/*	  All Rights Reserved  	*/
30
31#ifndef	_COMMON_UTIL_STRTOLCTYPE_H
32#define	_COMMON_UTIL_STRTOLCTYPE_H
33
34#ifdef	__cplusplus
35extern "C" {
36#endif
37
38/*
39 * This is a private header file containing a collection of macros that
40 * the strtou?ll? functions in common/util use to test characters.  Which
41 * macros are defined depends on which of _KERNEL or _BOOT are defined.
42 * New code should use the kernel version of ctype.h: <sys/ctype.h>.
43 *
44 * NOTE: These macros are used within several DTrace probe context functions.
45 * They must not be altered to make function calls or perform actions not
46 * safe in probe context.
47 */
48
49/*
50 * Cases that define these macros:
51 *   _KERNEL && !_BOOT: Used by kernel functions
52 *   !_KERNEL && _BOOT: Used by dboot_startkern.c for x86 boot
53 * Cases that omit these macros:
54 *   _KERNEL && _BOOT: Used by common/util/strtol.c for SPARC boot library
55 *   !_KERNEL && !_BOOT: Used by strtou?ll? functions in libc
56 */
57#if	defined(_KERNEL) ^ defined(_BOOT)
58
59#define	isalnum(ch)	(isalpha(ch) || isdigit(ch))
60#define	isalpha(ch)	(isupper(ch) || islower(ch))
61#define	isdigit(ch)	((ch) >= '0' && (ch) <= '9')
62#define	islower(ch)	((ch) >= 'a' && (ch) <= 'z')
63#define	isspace(ch)	(((ch) == ' ') || ((ch) == '\r') || ((ch) == '\n') || \
64			((ch) == '\t') || ((ch) == '\f'))
65#define	isupper(ch)	((ch) >= 'A' && (ch) <= 'Z')
66#define	isxdigit(ch)	(isdigit(ch) || ((ch) >= 'a' && (ch) <= 'f') || \
67			((ch) >= 'A' && (ch) <= 'F'))
68
69#endif	/* _KERNEL ^ _BOOT */
70
71/*
72 * The following macros are defined unconditionally.
73 */
74
75#define	DIGIT(x)	\
76	(isdigit(x) ? (x) - '0' : islower(x) ? (x) + 10 - 'a' : (x) + 10 - 'A')
77
78#define	MBASE	('z' - 'a' + 1 + 10)
79
80/*
81 * The following macro is a version of isalnum() that limits alphabetic
82 * characters to the ranges a-z and A-Z; locale dependent characters will not
83 * return 1.  The members of a-z and A-Z are assumed to be in ascending order
84 * and contiguous.
85 */
86#define	lisalnum(x)	\
87	(isdigit(x) || ((x) >= 'a' && (x) <= 'z') || ((x) >= 'A' && (x) <= 'Z'))
88
89#ifdef	__cplusplus
90}
91#endif
92
93#endif	/* _COMMON_UTIL_STRTOLCTYPE_H */
94