xref: /freebsd/include/_ctype.h (revision daf1cffce2e07931f27c6c6998652e90df6ba87e)
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  *      $FreeBSD$
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 
69 __BEGIN_DECLS
70 int	isalnum __P((int));
71 int	isalpha __P((int));
72 int	iscntrl __P((int));
73 int	isdigit __P((int));
74 int	isgraph __P((int));
75 int	islower __P((int));
76 int	isprint __P((int));
77 int	ispunct __P((int));
78 int	isspace __P((int));
79 int	isupper __P((int));
80 int	isxdigit __P((int));
81 int	tolower __P((int));
82 int	toupper __P((int));
83 
84 #if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE)
85 int	digittoint __P((int));
86 int	isascii __P((int));
87 int	isblank __P((int));
88 int	ishexnumber __P((int));
89 int	isideogram __P((int));
90 int	isnumber __P((int));
91 int	isphonogram __P((int));
92 int	isrune __P((int));
93 int	isspecial __P((int));
94 int	toascii __P((int));
95 #endif
96 __END_DECLS
97 
98 #define	__istype(c,f)	(!!__maskrune((c),(f)))
99 
100 #define	isalnum(c)	__istype((c), _CTYPE_A|_CTYPE_D)
101 #define	isalpha(c)	__istype((c), _CTYPE_A)
102 #define	iscntrl(c)	__istype((c), _CTYPE_C)
103 #define	isdigit(c)	__isctype((c), _CTYPE_D) /* ANSI -- locale independent */
104 #define	isgraph(c)	__istype((c), _CTYPE_G)
105 #define	islower(c)	__istype((c), _CTYPE_L)
106 #define	isprint(c)	__istype((c), _CTYPE_R)
107 #define	ispunct(c)	__istype((c), _CTYPE_P)
108 #define	isspace(c)	__istype((c), _CTYPE_S)
109 #define	isupper(c)	__istype((c), _CTYPE_U)
110 #define	isxdigit(c)	__isctype((c), _CTYPE_X) /* ANSI -- locale independent */
111 #define	tolower(c)	__tolower(c)
112 #define	toupper(c)	__toupper(c)
113 
114 #if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE)
115 #define	digittoint(c)	__maskrune((c), 0xFF)
116 #define	isascii(c)	(((c) & ~0x7F) == 0)
117 #define	isblank(c)	__istype((c), _CTYPE_B)
118 #define	ishexnumber(c)	__istype((c), _CTYPE_X)
119 #define	isideogram(c)	__istype((c), _CTYPE_I)
120 #define	isnumber(c)	__istype((c), _CTYPE_D)
121 #define	isphonogram(c)	__istype((c), _CTYPE_Q)
122 #define	isrune(c)	__istype((c), 0xFFFFFF00L)
123 #define	isspecial(c)	__istype((c), _CTYPE_T)
124 #define	toascii(c)	((c) & 0x7F)
125 #endif
126 
127 /* See comments in <machine/ansi.h> about _BSD_CT_RUNE_T_. */
128 __BEGIN_DECLS
129 unsigned long	___runetype __P((_BSD_CT_RUNE_T_));
130 _BSD_CT_RUNE_T_	___tolower __P((_BSD_CT_RUNE_T_));
131 _BSD_CT_RUNE_T_	___toupper __P((_BSD_CT_RUNE_T_));
132 __END_DECLS
133 
134 /*
135  * _EXTERNALIZE_CTYPE_INLINES_ is defined in locale/nomacros.c to tell us
136  * to generate code for extern versions of all our inline functions.
137  */
138 #ifdef _EXTERNALIZE_CTYPE_INLINES_
139 #define	_USE_CTYPE_INLINE_
140 #define	static
141 #define	__inline
142 #endif
143 
144 /*
145  * Use inline functions if we are allowed to and the compiler supports them.
146  */
147 #if !defined(_DONT_USE_CTYPE_INLINE_) && \
148     (defined(_USE_CTYPE_INLINE_) || defined(__GNUC__) || defined(__cplusplus))
149 static __inline int
150 __maskrune(_BSD_CT_RUNE_T_ _c, unsigned long _f)
151 {
152 	return ((_c < 0 || _c >= _CACHED_RUNES) ? ___runetype(_c) :
153 		_CurrentRuneLocale->runetype[_c]) & _f;
154 }
155 
156 static __inline int
157 __isctype(_BSD_CT_RUNE_T_ _c, unsigned long _f)
158 {
159 	return (_c < 0 || _c >= _CACHED_RUNES) ? 0 :
160 	       !!(_DefaultRuneLocale.runetype[_c] & _f);
161 }
162 
163 static __inline _BSD_CT_RUNE_T_
164 __toupper(_BSD_CT_RUNE_T_ _c)
165 {
166 	return (_c < 0 || _c >= _CACHED_RUNES) ? ___toupper(_c) :
167 	       _CurrentRuneLocale->mapupper[_c];
168 }
169 
170 static __inline _BSD_CT_RUNE_T_
171 __tolower(_BSD_CT_RUNE_T_ _c)
172 {
173 	return (_c < 0 || _c >= _CACHED_RUNES) ? ___tolower(_c) :
174 	       _CurrentRuneLocale->maplower[_c];
175 }
176 
177 #else /* not using inlines */
178 
179 __BEGIN_DECLS
180 int		__maskrune __P((_BSD_CT_RUNE_T_, unsigned long));
181 int		__isctype __P((_BSD_CT_RUNE_T_, unsigned long));
182 _BSD_CT_RUNE_T_	__toupper __P((_BSD_CT_RUNE_T_));
183 _BSD_CT_RUNE_T_	__tolower __P((_BSD_CT_RUNE_T_));
184 __END_DECLS
185 #endif /* using inlines */
186 
187 #endif /* !_CTYPE_H_ */
188