_ctype.h revision 134101
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. All advertising materials mentioning features or use of this software
22 *    must display the following acknowledgement:
23 *	This product includes software developed by the University of
24 *	California, Berkeley and its contributors.
25 * 4. Neither the name of the University nor the names of its contributors
26 *    may be used to endorse or promote products derived from this software
27 *    without specific prior written permission.
28 *
29 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
30 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
31 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
32 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
33 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
34 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
35 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
36 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
37 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
38 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
39 * SUCH DAMAGE.
40 *
41 * From @(#)ctype.h	8.4 (Berkeley) 1/21/94
42 * From FreeBSD: src/include/ctype.h,v 1.27 2004/06/23 07:11:39 tjr Exp
43 * $FreeBSD: head/include/_ctype.h 134101 2004-08-21 07:00:40Z tjr $
44 */
45
46#ifndef __CTYPE_H_
47#define	__CTYPE_H_
48
49#include <sys/cdefs.h>
50#include <sys/_types.h>
51
52#define	_CTYPE_A	0x00000100L		/* Alpha */
53#define	_CTYPE_C	0x00000200L		/* Control */
54#define	_CTYPE_D	0x00000400L		/* Digit */
55#define	_CTYPE_G	0x00000800L		/* Graph */
56#define	_CTYPE_L	0x00001000L		/* Lower */
57#define	_CTYPE_P	0x00002000L		/* Punct */
58#define	_CTYPE_S	0x00004000L		/* Space */
59#define	_CTYPE_U	0x00008000L		/* Upper */
60#define	_CTYPE_X	0x00010000L		/* X digit */
61#define	_CTYPE_B	0x00020000L		/* Blank */
62#define	_CTYPE_R	0x00040000L		/* Print */
63#define	_CTYPE_I	0x00080000L		/* Ideogram */
64#define	_CTYPE_T	0x00100000L		/* Special */
65#define	_CTYPE_Q	0x00200000L		/* Phonogram */
66#define	_CTYPE_SW0	0x20000000L		/* 0 width character */
67#define	_CTYPE_SW1	0x40000000L		/* 1 width character */
68#define	_CTYPE_SW2	0x80000000L		/* 2 width character */
69#define	_CTYPE_SW3	0xc0000000L		/* 3 width character */
70#define	_CTYPE_SWM	0xe0000000L		/* Mask for screen width data */
71#define	_CTYPE_SWS	30			/* Bits to shift to get width */
72
73/* See comments in <sys/_types.h> about __ct_rune_t. */
74__BEGIN_DECLS
75unsigned long	___runetype(__ct_rune_t) __pure;
76__ct_rune_t	___tolower(__ct_rune_t) __pure;
77__ct_rune_t	___toupper(__ct_rune_t) __pure;
78__END_DECLS
79
80/*
81 * _EXTERNALIZE_CTYPE_INLINES_ is defined in locale/nomacros.c to tell us
82 * to generate code for extern versions of all our inline functions.
83 */
84#ifdef _EXTERNALIZE_CTYPE_INLINES_
85#define	_USE_CTYPE_INLINE_
86#define	static
87#define	__inline
88#endif
89
90/*
91 * Use inline functions if we are allowed to and the compiler supports them.
92 */
93#if !defined(_DONT_USE_CTYPE_INLINE_) && \
94    (defined(_USE_CTYPE_INLINE_) || defined(__GNUC__) || defined(__cplusplus))
95
96#include <runetype.h>
97
98static __inline int
99__maskrune(__ct_rune_t _c, unsigned long _f)
100{
101	return ((_c < 0 || _c >= _CACHED_RUNES) ? ___runetype(_c) :
102		_CurrentRuneLocale->__runetype[_c]) & _f;
103}
104
105static __inline int
106__istype(__ct_rune_t _c, unsigned long _f)
107{
108	return (!!__maskrune(_c, _f));
109}
110
111static __inline int
112__isctype(__ct_rune_t _c, unsigned long _f)
113{
114	return (_c < 0 || _c >= _CACHED_RUNES) ? 0 :
115	       !!(_DefaultRuneLocale.__runetype[_c] & _f);
116}
117
118static __inline __ct_rune_t
119__toupper(__ct_rune_t _c)
120{
121	return (_c < 0 || _c >= _CACHED_RUNES) ? ___toupper(_c) :
122	       _CurrentRuneLocale->__mapupper[_c];
123}
124
125static __inline __ct_rune_t
126__tolower(__ct_rune_t _c)
127{
128	return (_c < 0 || _c >= _CACHED_RUNES) ? ___tolower(_c) :
129	       _CurrentRuneLocale->__maplower[_c];
130}
131
132static __inline int
133__wcwidth(__ct_rune_t _c)
134{
135	unsigned int _x;
136
137	if (_c == 0)
138		return (0);
139	_x = (unsigned int)__maskrune(_c, _CTYPE_SWM|_CTYPE_R);
140	if ((_x & _CTYPE_SWM) != 0)
141		return ((_x & _CTYPE_SWM) >> _CTYPE_SWS);
142	return ((_x & _CTYPE_R) != 0 ? 1 : -1);
143}
144
145#else /* not using inlines */
146
147__BEGIN_DECLS
148int		__maskrune(__ct_rune_t, unsigned long);
149int		__istype(__ct_rune_t, unsigned long);
150int		__isctype(__ct_rune_t, unsigned long);
151__ct_rune_t	__toupper(__ct_rune_t);
152__ct_rune_t	__tolower(__ct_rune_t);
153int		__wcwidth(__ct_rune_t);
154__END_DECLS
155#endif /* using inlines */
156
157#endif /* !__CTYPE_H_ */
158