1 /*-
2 * SPDX-License-Identifier: BSD-3-Clause
3 *
4 * Copyright (c) 1982, 1988, 1991, 1993
5 * The Regents of the University of California. All rights reserved.
6 * (c) UNIX System Laboratories, Inc.
7 * All or some portions of this file are derived from material licensed
8 * to the University of California by American Telephone and Telegraph
9 * Co. or Unix System Laboratories, Inc. and are reproduced herein with
10 * the permission of UNIX System Laboratories, Inc.
11 *
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
14 * are met:
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in the
19 * documentation and/or other materials provided with the distribution.
20 * 3. Neither the name of the University nor the names of its contributors
21 * may be used to endorse or promote products derived from this software
22 * without specific prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE.
35 */
36
37 #ifndef _SYS_CTYPE_H_
38 #define _SYS_CTYPE_H_
39
40 #ifdef _KERNEL
41
42 static __inline int
isspace(int c)43 isspace(int c)
44 {
45 return (c == ' ' || (c >= '\t' && c <= '\r'));
46 }
47
48 static __inline int
isascii(int c)49 isascii(int c)
50 {
51 return ((c & ~0x7f) == 0);
52 }
53
54 static __inline int
isupper(int c)55 isupper(int c)
56 {
57 return (c >= 'A' && c <= 'Z');
58 }
59
60 static __inline int
islower(int c)61 islower(int c)
62 {
63 return (c >= 'a' && c <= 'z');
64 }
65
66 static __inline int
isalpha(int c)67 isalpha(int c)
68 {
69 return (isupper(c) || islower(c));
70 }
71
72 static __inline int
isdigit(int c)73 isdigit(int c)
74 {
75 return (c >= '0' && c <= '9');
76 }
77
78 static __inline int
isxdigit(int c)79 isxdigit(int c)
80 {
81 return (isdigit(c) || (c >= 'A' && c <= 'F') || (c >= 'a' && c <= 'f'));
82 }
83
84 static __inline int
isprint(int c)85 isprint(int c)
86 {
87 return (c >= ' ' && c <= '~');
88 }
89
90 static __inline int
toupper(int c)91 toupper(int c)
92 {
93 return (c - 0x20 * ((c >= 'a') && (c <= 'z')));
94 }
95
96 static __inline int
tolower(int c)97 tolower(int c)
98 {
99 return (c + 0x20 * ((c >= 'A') && (c <= 'Z')));
100 }
101
102 #endif
103 #endif /* !_SYS_CTYPE_H_ */
104