strtolctype.h revision 297077 
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 2009 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#ifndef	_COMMON_UTIL_CTYPE_H
31#define	_COMMON_UTIL_CTYPE_H
32
33#ifdef	__cplusplus
34extern "C" {
35#endif
36
37/*
38 * This header file contains a collection of macros that the strtou?ll?
39 * functions in common/util use to test characters.  What we need is a kernel
40 * version of ctype.h.
41 *
42 * NOTE: These macros are used within several DTrace probe context functions.
43 * They must not be altered to make function calls or perform actions not
44 * safe in probe context.
45 */
46
47#if defined(illumos) && (defined(_KERNEL) || defined(_BOOT))
48
49#define	isalnum(ch)	(isalpha(ch) || isdigit(ch))
50#define	isalpha(ch)	(isupper(ch) || islower(ch))
51#define	isdigit(ch)	((ch) >= '0' && (ch) <= '9')
52#define	islower(ch)	((ch) >= 'a' && (ch) <= 'z')
53#define	isspace(ch)	(((ch) == ' ') || ((ch) == '\r') || ((ch) == '\n') || \
54			((ch) == '\t') || ((ch) == '\f'))
55#define	isupper(ch)	((ch) >= 'A' && (ch) <= 'Z')
56#define	isxdigit(ch)	(isdigit(ch) || ((ch) >= 'a' && (ch) <= 'f') || \
57			((ch) >= 'A' && (ch) <= 'F'))
58
59#endif	/* _KERNEL || _BOOT */
60
61#define	DIGIT(x)	\
62	(isdigit(x) ? (x) - '0' : islower(x) ? (x) + 10 - 'a' : (x) + 10 - 'A')
63
64#define	MBASE	('z' - 'a' + 1 + 10)
65
66/*
67 * The following macro is a version of isalnum() that limits alphabetic
68 * characters to the ranges a-z and A-Z; locale dependent characters will not
69 * return 1.  The members of a-z and A-Z are assumed to be in ascending order
70 * and contiguous.
71 */
72#define	lisalnum(x)	\
73	(isdigit(x) || ((x) >= 'a' && (x) <= 'z') || ((x) >= 'A' && (x) <= 'Z'))
74
75#ifdef	__cplusplus
76}
77#endif
78
79#endif	/* _COMMON_UTIL_CTYPE_H */
80