aboutsummaryrefslogtreecommitdiff
path: root/include/_ctype.h
blob: 0076adc7b624c771c32a61cb5739d47e454d369f (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
/*
 * Copyright (c) 1989, 1993
 *	The Regents of the University of California.  All rights reserved.
 * (c) UNIX System Laboratories, Inc.
 * All or some portions of this file are derived from material licensed
 * to the University of California by American Telephone and Telegraph
 * Co. or Unix System Laboratories, Inc. and are reproduced herein with
 * the permission of UNIX System Laboratories, Inc.
 *
 * This code is derived from software contributed to Berkeley by
 * Paul Borman at Krystal Technologies.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by the University of
 *	California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 * From @(#)ctype.h	8.4 (Berkeley) 1/21/94
 * From FreeBSD: src/include/ctype.h,v 1.27 2004/06/23 07:11:39 tjr Exp
 * $FreeBSD$
 */

#ifndef __CTYPE_H_
#define	__CTYPE_H_

#include <sys/cdefs.h>
#include <sys/_types.h>

#define	_CTYPE_A	0x00000100L		/* Alpha */
#define	_CTYPE_C	0x00000200L		/* Control */
#define	_CTYPE_D	0x00000400L		/* Digit */
#define	_CTYPE_G	0x00000800L		/* Graph */
#define	_CTYPE_L	0x00001000L		/* Lower */
#define	_CTYPE_P	0x00002000L		/* Punct */
#define	_CTYPE_S	0x00004000L		/* Space */
#define	_CTYPE_U	0x00008000L		/* Upper */
#define	_CTYPE_X	0x00010000L		/* X digit */
#define	_CTYPE_B	0x00020000L		/* Blank */
#define	_CTYPE_R	0x00040000L		/* Print */
#define	_CTYPE_I	0x00080000L		/* Ideogram */
#define	_CTYPE_T	0x00100000L		/* Special */
#define	_CTYPE_Q	0x00200000L		/* Phonogram */
#define	_CTYPE_SW0	0x20000000L		/* 0 width character */
#define	_CTYPE_SW1	0x40000000L		/* 1 width character */
#define	_CTYPE_SW2	0x80000000L		/* 2 width character */
#define	_CTYPE_SW3	0xc0000000L		/* 3 width character */
#define	_CTYPE_SWM	0xe0000000L		/* Mask for screen width data */
#define	_CTYPE_SWS	30			/* Bits to shift to get width */

/* See comments in <sys/_types.h> about __ct_rune_t. */
__BEGIN_DECLS
unsigned long	___runetype(__ct_rune_t) __pure;
__ct_rune_t	___tolower(__ct_rune_t) __pure;
__ct_rune_t	___toupper(__ct_rune_t) __pure;
__END_DECLS

/*
 * _EXTERNALIZE_CTYPE_INLINES_ is defined in locale/nomacros.c to tell us
 * to generate code for extern versions of all our inline functions.
 */
#ifdef _EXTERNALIZE_CTYPE_INLINES_
#define	_USE_CTYPE_INLINE_
#define	static
#define	__inline
#endif

extern int __mb_sb_limit;

/*
 * Use inline functions if we are allowed to and the compiler supports them.
 */
#if !defined(_DONT_USE_CTYPE_INLINE_) && \
    (defined(_USE_CTYPE_INLINE_) || defined(__GNUC__) || defined(__cplusplus))

#include <runetype.h>

static __inline int
__maskrune(__ct_rune_t _c, unsigned long _f)
{
	return ((_c < 0 || _c >= _CACHED_RUNES) ? ___runetype(_c) :
		_CurrentRuneLocale->__runetype[_c]) & _f;
}

static __inline int
__sbmaskrune(__ct_rune_t _c, unsigned long _f)
{
	return (_c < 0 || _c >= __mb_sb_limit) ? 0 :
	       _CurrentRuneLocale->__runetype[_c] & _f;
}

static __inline int
__istype(__ct_rune_t _c, unsigned long _f)
{
	return (!!__maskrune(_c, _f));
}

static __inline int
__sbistype(__ct_rune_t _c, unsigned long _f)
{
	return (!!__sbmaskrune(_c, _f));
}

static __inline int
__isctype(__ct_rune_t _c, unsigned long _f)
{
	return (_c < 0 || _c >= 128) ? 0 :
	       !!(_DefaultRuneLocale.__runetype[_c] & _f);
}

static __inline __ct_rune_t
__toupper(__ct_rune_t _c)
{
	return (_c < 0 || _c >= _CACHED_RUNES) ? ___toupper(_c) :
	       _CurrentRuneLocale->__mapupper[_c];
}

static __inline __ct_rune_t
__sbtoupper(__ct_rune_t _c)
{
	return (_c < 0 || _c >= __mb_sb_limit) ? _c :
	       _CurrentRuneLocale->__mapupper[_c];
}

static __inline __ct_rune_t
__tolower(__ct_rune_t _c)
{
	return (_c < 0 || _c >= _CACHED_RUNES) ? ___tolower(_c) :
	       _CurrentRuneLocale->__maplower[_c];
}

static __inline __ct_rune_t
__sbtolower(__ct_rune_t _c)
{
	return (_c < 0 || _c >= __mb_sb_limit) ? _c :
	       _CurrentRuneLocale->__maplower[_c];
}

static __inline int
__wcwidth(__ct_rune_t _c)
{
	unsigned int _x;

	if (_c == 0)
		return (0);
	_x = (unsigned int)__maskrune(_c, _CTYPE_SWM|_CTYPE_R);
	if ((_x & _CTYPE_SWM) != 0)
		return ((_x & _CTYPE_SWM) >> _CTYPE_SWS);
	return ((_x & _CTYPE_R) != 0 ? 1 : -1);
}

#else /* not using inlines */

__BEGIN_DECLS
int		__maskrune(__ct_rune_t, unsigned long);
int		__sbmaskrune(__ct_rune_t, unsigned long);
int		__istype(__ct_rune_t, unsigned long);
int		__sbistype(__ct_rune_t, unsigned long);
int		__isctype(__ct_rune_t, unsigned long);
__ct_rune_t	__toupper(__ct_rune_t);
__ct_rune_t	__sbtoupper(__ct_rune_t);
__ct_rune_t	__tolower(__ct_rune_t);
__ct_rune_t	__sbtolower(__ct_rune_t);
int		__wcwidth(__ct_rune_t);
__END_DECLS
#endif /* using inlines */

#endif /* !__CTYPE_H_ */