1 /*
2 * Copyright (c) 1989, 1993
3 * The Regents of the University of California. All rights reserved.
4 * (c) UNIX System Laboratories, Inc.
5 * All or some portions of this file are derived from material licensed
6 * to the University of California by American Telephone and Telegraph
7 * Co. or Unix System Laboratories, Inc. and are reproduced herein with
8 * the permission of UNIX System Laboratories, Inc.
9 *
10 * This code is derived from software contributed to Berkeley by
11 * Paul Borman at Krystal Technologies.
12 *
13 * Redistribution and use in source and binary forms, with or without
14 * modification, are permitted provided that the following conditions
15 * are met:
16 * 1. Redistributions of source code must retain the above copyright
17 * notice, this list of conditions and the following disclaimer.
18 * 2. Redistributions in binary form must reproduce the above copyright
19 * notice, this list of conditions and the following disclaimer in the
20 * documentation and/or other materials provided with the distribution.
21 * 3. Neither the name of the University nor the names of its contributors
22 * may be used to endorse or promote products derived from this software
23 * without specific prior written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 * SUCH DAMAGE.
36 *
37 * From @(#)ctype.h 8.4 (Berkeley) 1/21/94
38 * From FreeBSD: src/include/ctype.h,v 1.27 2004/06/23 07:11:39 tjr Exp
39 * $FreeBSD$
40 */
41
42 #ifndef __CTYPE_H_
43 #define __CTYPE_H_
44
45 #include <sys/cdefs.h>
46 #include <sys/_types.h>
47
48 #define _CTYPE_A 0x00000100L /* Alpha */
49 #define _CTYPE_C 0x00000200L /* Control */
50 #define _CTYPE_D 0x00000400L /* Digit */
51 #define _CTYPE_G 0x00000800L /* Graph */
52 #define _CTYPE_L 0x00001000L /* Lower */
53 #define _CTYPE_P 0x00002000L /* Punct */
54 #define _CTYPE_S 0x00004000L /* Space */
55 #define _CTYPE_U 0x00008000L /* Upper */
56 #define _CTYPE_X 0x00010000L /* X digit */
57 #define _CTYPE_B 0x00020000L /* Blank */
58 #define _CTYPE_R 0x00040000L /* Print */
59 #define _CTYPE_I 0x00080000L /* Ideogram */
60 #define _CTYPE_T 0x00100000L /* Special */
61 #define _CTYPE_Q 0x00200000L /* Phonogram */
62 #define _CTYPE_N 0x00400000L /* Number (superset of digit) */
63 #define _CTYPE_SW0 0x20000000L /* 0 width character */
64 #define _CTYPE_SW1 0x40000000L /* 1 width character */
65 #define _CTYPE_SW2 0x80000000L /* 2 width character */
66 #define _CTYPE_SW3 0xc0000000L /* 3 width character */
67 #define _CTYPE_SWM 0xe0000000L /* Mask for screen width data */
68 #define _CTYPE_SWS 30 /* Bits to shift to get width */
69
70 /* See comments in <sys/_types.h> about __ct_rune_t. */
71 __BEGIN_DECLS
72 unsigned long ___runetype(__ct_rune_t) __pure;
73 __ct_rune_t ___tolower(__ct_rune_t) __pure;
74 __ct_rune_t ___toupper(__ct_rune_t) __pure;
75 __END_DECLS
76
77 /*
78 * _EXTERNALIZE_CTYPE_INLINES_ is defined in locale/nomacros.c to tell us
79 * to generate code for extern versions of all our inline functions.
80 */
81 #ifdef _EXTERNALIZE_CTYPE_INLINES_
82 #define _USE_CTYPE_INLINE_
83 #define static
84 #define __inline
85 #endif
86
87 extern int __mb_sb_limit;
88
89 /*
90 * Use inline functions if we are allowed to and the compiler supports them.
91 */
92 #if !defined(_DONT_USE_CTYPE_INLINE_) && \
93 (defined(_USE_CTYPE_INLINE_) || defined(__GNUC__) || defined(__cplusplus))
94
95 #include <runetype.h>
96
97 static __inline int
__maskrune(__ct_rune_t _c,unsigned long _f)98 __maskrune(__ct_rune_t _c, unsigned long _f)
99 {
100 return ((_c < 0 || _c >= _CACHED_RUNES) ? ___runetype(_c) :
101 _CurrentRuneLocale->__runetype[_c]) & _f;
102 }
103
104 static __inline int
__sbmaskrune(__ct_rune_t _c,unsigned long _f)105 __sbmaskrune(__ct_rune_t _c, unsigned long _f)
106 {
107 return (_c < 0 || _c >= __mb_sb_limit) ? 0 :
108 _CurrentRuneLocale->__runetype[_c] & _f;
109 }
110
111 static __inline int
__istype(__ct_rune_t _c,unsigned long _f)112 __istype(__ct_rune_t _c, unsigned long _f)
113 {
114 return (!!__maskrune(_c, _f));
115 }
116
117 static __inline int
__sbistype(__ct_rune_t _c,unsigned long _f)118 __sbistype(__ct_rune_t _c, unsigned long _f)
119 {
120 return (!!__sbmaskrune(_c, _f));
121 }
122
123 static __inline int
__isctype(__ct_rune_t _c,unsigned long _f)124 __isctype(__ct_rune_t _c, unsigned long _f)
125 {
126 return (_c < 0 || _c >= 128) ? 0 :
127 !!(_DefaultRuneLocale.__runetype[_c] & _f);
128 }
129
130 static __inline __ct_rune_t
__toupper(__ct_rune_t _c)131 __toupper(__ct_rune_t _c)
132 {
133 return (_c < 0 || _c >= _CACHED_RUNES) ? ___toupper(_c) :
134 _CurrentRuneLocale->__mapupper[_c];
135 }
136
137 static __inline __ct_rune_t
__sbtoupper(__ct_rune_t _c)138 __sbtoupper(__ct_rune_t _c)
139 {
140 return (_c < 0 || _c >= __mb_sb_limit) ? _c :
141 _CurrentRuneLocale->__mapupper[_c];
142 }
143
144 static __inline __ct_rune_t
__tolower(__ct_rune_t _c)145 __tolower(__ct_rune_t _c)
146 {
147 return (_c < 0 || _c >= _CACHED_RUNES) ? ___tolower(_c) :
148 _CurrentRuneLocale->__maplower[_c];
149 }
150
151 static __inline __ct_rune_t
__sbtolower(__ct_rune_t _c)152 __sbtolower(__ct_rune_t _c)
153 {
154 return (_c < 0 || _c >= __mb_sb_limit) ? _c :
155 _CurrentRuneLocale->__maplower[_c];
156 }
157
158 static __inline int
__wcwidth(__ct_rune_t _c)159 __wcwidth(__ct_rune_t _c)
160 {
161 unsigned int _x;
162
163 if (_c == 0)
164 return (0);
165 _x = (unsigned int)__maskrune(_c, _CTYPE_SWM|_CTYPE_R);
166 if ((_x & _CTYPE_SWM) != 0)
167 return ((_x & _CTYPE_SWM) >> _CTYPE_SWS);
168 return ((_x & _CTYPE_R) != 0 ? 1 : -1);
169 }
170
171 #else /* not using inlines */
172
173 __BEGIN_DECLS
174 int __maskrune(__ct_rune_t, unsigned long);
175 int __sbmaskrune(__ct_rune_t, unsigned long);
176 int __istype(__ct_rune_t, unsigned long);
177 int __sbistype(__ct_rune_t, unsigned long);
178 int __isctype(__ct_rune_t, unsigned long);
179 __ct_rune_t __toupper(__ct_rune_t);
180 __ct_rune_t __sbtoupper(__ct_rune_t);
181 __ct_rune_t __tolower(__ct_rune_t);
182 __ct_rune_t __sbtolower(__ct_rune_t);
183 int __wcwidth(__ct_rune_t);
184 __END_DECLS
185 #endif /* using inlines */
186
187 #endif /* !__CTYPE_H_ */
188