2 * SPDX-License-Identifier: BSD-3-Clause
4 * Copyright (c) 1989, 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.
12 * This code is derived from software contributed to Berkeley by
13 * Paul Borman at Krystal Technologies.
15 * Redistribution and use in source and binary forms, with or without
16 * modification, are permitted provided that the following conditions
18 * 1. Redistributions of source code must retain the above copyright
19 * notice, this list of conditions and the following disclaimer.
20 * 2. Redistributions in binary form must reproduce the above copyright
21 * notice, this list of conditions and the following disclaimer in the
22 * documentation and/or other materials provided with the distribution.
23 * 3. Neither the name of the University nor the names of its contributors
24 * may be used to endorse or promote products derived from this software
25 * without specific prior written permission.
27 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
28 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
29 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
30 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
31 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
32 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
33 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
34 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
35 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
36 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
39 * From @(#)ctype.h 8.4 (Berkeley) 1/21/94
40 * From FreeBSD: src/include/ctype.h,v 1.27 2004/06/23 07:11:39 tjr Exp
47 #include <sys/cdefs.h>
48 #include <sys/_types.h>
50 #define _CTYPE_A 0x00000100L /* Alpha */
51 #define _CTYPE_C 0x00000200L /* Control */
52 #define _CTYPE_D 0x00000400L /* Digit */
53 #define _CTYPE_G 0x00000800L /* Graph */
54 #define _CTYPE_L 0x00001000L /* Lower */
55 #define _CTYPE_P 0x00002000L /* Punct */
56 #define _CTYPE_S 0x00004000L /* Space */
57 #define _CTYPE_U 0x00008000L /* Upper */
58 #define _CTYPE_X 0x00010000L /* X digit */
59 #define _CTYPE_B 0x00020000L /* Blank */
60 #define _CTYPE_R 0x00040000L /* Print */
61 #define _CTYPE_I 0x00080000L /* Ideogram */
62 #define _CTYPE_T 0x00100000L /* Special */
63 #define _CTYPE_Q 0x00200000L /* Phonogram */
64 #define _CTYPE_N 0x00400000L /* Number (superset of digit) */
65 #define _CTYPE_SW0 0x20000000L /* 0 width character */
66 #define _CTYPE_SW1 0x40000000L /* 1 width character */
67 #define _CTYPE_SW2 0x80000000L /* 2 width character */
68 #define _CTYPE_SW3 0xc0000000L /* 3 width character */
69 #define _CTYPE_SWM 0xe0000000L /* Mask for screen width data */
70 #define _CTYPE_SWS 30 /* Bits to shift to get width */
72 /* See comments in <sys/_types.h> about __ct_rune_t. */
74 unsigned long ___runetype(__ct_rune_t) __pure;
75 __ct_rune_t ___tolower(__ct_rune_t) __pure;
76 __ct_rune_t ___toupper(__ct_rune_t) __pure;
80 * _EXTERNALIZE_CTYPE_INLINES_ is defined in locale/nomacros.c to tell us
81 * to generate code for extern versions of all our inline functions.
83 #ifdef _EXTERNALIZE_CTYPE_INLINES_
84 #define _USE_CTYPE_INLINE_
89 extern int __mb_sb_limit;
92 * Use inline functions if we are allowed to and the compiler supports them.
94 #if !defined(_DONT_USE_CTYPE_INLINE_) && \
95 (defined(_USE_CTYPE_INLINE_) || defined(__GNUC__) || defined(__cplusplus))
100 __maskrune(__ct_rune_t _c, unsigned long _f)
102 return ((_c < 0 || _c >= _CACHED_RUNES) ? ___runetype(_c) :
103 _CurrentRuneLocale->__runetype[_c]) & _f;
107 __sbmaskrune(__ct_rune_t _c, unsigned long _f)
109 return (_c < 0 || _c >= __mb_sb_limit) ? 0 :
110 _CurrentRuneLocale->__runetype[_c] & _f;
114 __istype(__ct_rune_t _c, unsigned long _f)
116 return (!!__maskrune(_c, _f));
120 __sbistype(__ct_rune_t _c, unsigned long _f)
122 return (!!__sbmaskrune(_c, _f));
126 __isctype(__ct_rune_t _c, unsigned long _f)
128 return (_c < 0 || _c >= 128) ? 0 :
129 !!(_DefaultRuneLocale.__runetype[_c] & _f);
132 static __inline __ct_rune_t
133 __toupper(__ct_rune_t _c)
135 return (_c < 0 || _c >= _CACHED_RUNES) ? ___toupper(_c) :
136 _CurrentRuneLocale->__mapupper[_c];
139 static __inline __ct_rune_t
140 __sbtoupper(__ct_rune_t _c)
142 return (_c < 0 || _c >= __mb_sb_limit) ? _c :
143 _CurrentRuneLocale->__mapupper[_c];
146 static __inline __ct_rune_t
147 __tolower(__ct_rune_t _c)
149 return (_c < 0 || _c >= _CACHED_RUNES) ? ___tolower(_c) :
150 _CurrentRuneLocale->__maplower[_c];
153 static __inline __ct_rune_t
154 __sbtolower(__ct_rune_t _c)
156 return (_c < 0 || _c >= __mb_sb_limit) ? _c :
157 _CurrentRuneLocale->__maplower[_c];
161 __wcwidth(__ct_rune_t _c)
167 _x = (unsigned int)__maskrune(_c, _CTYPE_SWM|_CTYPE_R);
168 if ((_x & _CTYPE_SWM) != 0)
169 return ((_x & _CTYPE_SWM) >> _CTYPE_SWS);
170 return ((_x & _CTYPE_R) != 0 ? 1 : -1);
173 #else /* not using inlines */
176 int __maskrune(__ct_rune_t, unsigned long);
177 int __sbmaskrune(__ct_rune_t, unsigned long);
178 int __istype(__ct_rune_t, unsigned long);
179 int __sbistype(__ct_rune_t, unsigned long);
180 int __isctype(__ct_rune_t, unsigned long);
181 __ct_rune_t __toupper(__ct_rune_t);
182 __ct_rune_t __sbtoupper(__ct_rune_t);
183 __ct_rune_t __tolower(__ct_rune_t);
184 __ct_rune_t __sbtolower(__ct_rune_t);
185 int __wcwidth(__ct_rune_t);
187 #endif /* using inlines */
189 #endif /* !__CTYPE_H_ */