ctype.h revision 102093
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 *	@(#)ctype.h	8.4 (Berkeley) 1/21/94
42 *      $FreeBSD: head/include/ctype.h 102093 2002-08-19 08:50:41Z ache $
43 */
44
45#ifndef _CTYPE_H_
46#define	_CTYPE_H_
47
48/*
49 * XXX <runetype.h> brings massive namespace pollution (rune_t and struct
50 * member names).
51 */
52#include <runetype.h>
53
54#define	_CTYPE_A	0x00000100L		/* Alpha */
55#define	_CTYPE_C	0x00000200L		/* Control */
56#define	_CTYPE_D	0x00000400L		/* Digit */
57#define	_CTYPE_G	0x00000800L		/* Graph */
58#define	_CTYPE_L	0x00001000L		/* Lower */
59#define	_CTYPE_P	0x00002000L		/* Punct */
60#define	_CTYPE_S	0x00004000L		/* Space */
61#define	_CTYPE_U	0x00008000L		/* Upper */
62#define	_CTYPE_X	0x00010000L		/* X digit */
63#define	_CTYPE_B	0x00020000L		/* Blank */
64#define	_CTYPE_R	0x00040000L		/* Print */
65#define	_CTYPE_I	0x00080000L		/* Ideogram */
66#define	_CTYPE_T	0x00100000L		/* Special */
67#define	_CTYPE_Q	0x00200000L		/* Phonogram */
68#define	_CTYPE_SWM	0xe0000000L		/* Mask to get screen width data */
69#define	_CTYPE_SWS	30			/* Bits to shift to get width */
70#define	_CTYPE_SWA	0x00000000L		/* autowidth / default */
71#define	_CTYPE_SW0	0x20000000L		/* 0 width character */
72#define	_CTYPE_SW1	0x40000000L		/* 1 width character */
73#define	_CTYPE_SW2	0x80000000L		/* 2 width character */
74#define	_CTYPE_SW3	0xc0000000L		/* 3 width character */
75
76__BEGIN_DECLS
77int	isalnum(int);
78int	isalpha(int);
79int	iscntrl(int);
80int	isdigit(int);
81int	isgraph(int);
82int	islower(int);
83int	isprint(int);
84int	ispunct(int);
85int	isspace(int);
86int	isupper(int);
87int	isxdigit(int);
88int	tolower(int);
89int	toupper(int);
90
91#if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE)
92int	digittoint(int);
93int	isascii(int);
94int	isblank(int);
95int	ishexnumber(int);
96int	isideogram(int);
97int	isnumber(int);
98int	isphonogram(int);
99int	isrune(int);
100int	isspecial(int);
101int	toascii(int);
102#endif
103__END_DECLS
104
105#define	isalnum(c)	__istype((c), _CTYPE_A|_CTYPE_D)
106#define	isalpha(c)	__istype((c), _CTYPE_A)
107#define	iscntrl(c)	__istype((c), _CTYPE_C)
108#define	isdigit(c)	__isctype((c), _CTYPE_D) /* ANSI -- locale independent */
109#define	isgraph(c)	__istype((c), _CTYPE_G)
110#define	islower(c)	__istype((c), _CTYPE_L)
111#define	isprint(c)	__istype((c), _CTYPE_R)
112#define	ispunct(c)	__istype((c), _CTYPE_P)
113#define	isspace(c)	__istype((c), _CTYPE_S)
114#define	isupper(c)	__istype((c), _CTYPE_U)
115#define	isxdigit(c)	__isctype((c), _CTYPE_X) /* ANSI -- locale independent */
116#define	tolower(c)	__tolower(c)
117#define	toupper(c)	__toupper(c)
118
119#if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE)
120#define	digittoint(c)	__maskrune((c), 0xFF)
121#define	isascii(c)	(((c) & ~0x7F) == 0)
122#define	isblank(c)	__istype((c), _CTYPE_B)
123#define	ishexnumber(c)	__istype((c), _CTYPE_X)
124#define	isideogram(c)	__istype((c), _CTYPE_I)
125#define	isnumber(c)	__istype((c), _CTYPE_D)
126#define	isphonogram(c)	__istype((c), _CTYPE_Q)
127#define	isrune(c)	__istype((c), 0xFFFFFF00L)
128#define	isspecial(c)	__istype((c), _CTYPE_T)
129#define	toascii(c)	((c) & 0x7F)
130#endif
131
132/* See comments in <machine/ansi.h> about _BSD_CT_RUNE_T_. */
133__BEGIN_DECLS
134unsigned long	___runetype(_BSD_CT_RUNE_T_);
135_BSD_CT_RUNE_T_	___tolower(_BSD_CT_RUNE_T_);
136_BSD_CT_RUNE_T_	___toupper(_BSD_CT_RUNE_T_);
137__END_DECLS
138
139/*
140 * _EXTERNALIZE_CTYPE_INLINES_ is defined in locale/nomacros.c to tell us
141 * to generate code for extern versions of all our inline functions.
142 */
143#ifdef _EXTERNALIZE_CTYPE_INLINES_
144#define	_USE_CTYPE_INLINE_
145#define	static
146#define	__inline
147#endif
148
149/*
150 * Use inline functions if we are allowed to and the compiler supports them.
151 */
152#if !defined(_DONT_USE_CTYPE_INLINE_) && \
153    (defined(_USE_CTYPE_INLINE_) || defined(__GNUC__) || defined(__cplusplus))
154static __inline int
155__maskrune(_BSD_CT_RUNE_T_ _c, unsigned long _f)
156{
157	return ((_c < 0 || _c >= _CACHED_RUNES) ? ___runetype(_c) :
158		_CurrentRuneLocale->runetype[_c]) & _f;
159}
160
161static __inline int
162__istype(_BSD_CT_RUNE_T_ _c, unsigned long _f)
163{
164	return (!!__maskrune(_c, _f));
165}
166
167static __inline int
168__isctype(_BSD_CT_RUNE_T_ _c, unsigned long _f)
169{
170	return (_c < 0 || _c >= _CACHED_RUNES) ? 0 :
171	       !!(_DefaultRuneLocale.runetype[_c] & _f);
172}
173
174static __inline _BSD_CT_RUNE_T_
175__toupper(_BSD_CT_RUNE_T_ _c)
176{
177	return (_c < 0 || _c >= _CACHED_RUNES) ? ___toupper(_c) :
178	       _CurrentRuneLocale->mapupper[_c];
179}
180
181static __inline _BSD_CT_RUNE_T_
182__tolower(_BSD_CT_RUNE_T_ _c)
183{
184	return (_c < 0 || _c >= _CACHED_RUNES) ? ___tolower(_c) :
185	       _CurrentRuneLocale->maplower[_c];
186}
187
188#else /* not using inlines */
189
190__BEGIN_DECLS
191int		__maskrune(_BSD_CT_RUNE_T_, unsigned long);
192int		__istype(_BSD_CT_RUNE_T_, unsigned long);
193int		__isctype(_BSD_CT_RUNE_T_, unsigned long);
194_BSD_CT_RUNE_T_	__toupper(_BSD_CT_RUNE_T_);
195_BSD_CT_RUNE_T_	__tolower(_BSD_CT_RUNE_T_);
196__END_DECLS
197#endif /* using inlines */
198
199#endif /* !_CTYPE_H_ */
200