xref: /freebsd/include/_ctype.h (revision 380a989b3223d455375b4fae70fd0b9bdd43bafb)
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  */
43 
44 #ifndef _CTYPE_H_
45 #define	_CTYPE_H_
46 
47 /*
48  * XXX <runetype.h> brings massive namespace pollution (rune_t and struct
49  * member names).
50  */
51 #include <runetype.h>
52 
53 #define	_A	0x00000100L		/* Alpha */
54 #define	_C	0x00000200L		/* Control */
55 #define	_D	0x00000400L		/* Digit */
56 #define	_G	0x00000800L		/* Graph */
57 #define	_L	0x00001000L		/* Lower */
58 #define	_P	0x00002000L		/* Punct */
59 #define	_S	0x00004000L		/* Space */
60 #define	_U	0x00008000L		/* Upper */
61 #define	_X	0x00010000L		/* X digit */
62 #define	_B	0x00020000L		/* Blank */
63 #define	_R	0x00040000L		/* Print */
64 #define	_I	0x00080000L		/* Ideogram */
65 #define	_T	0x00100000L		/* Special */
66 #define	_Q	0x00200000L		/* Phonogram */
67 
68 __BEGIN_DECLS
69 int	isalnum __P((int));
70 int	isalpha __P((int));
71 int	iscntrl __P((int));
72 int	isdigit __P((int));
73 int	isgraph __P((int));
74 int	islower __P((int));
75 int	isprint __P((int));
76 int	ispunct __P((int));
77 int	isspace __P((int));
78 int	isupper __P((int));
79 int	isxdigit __P((int));
80 int	tolower __P((int));
81 int	toupper __P((int));
82 
83 #if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE)
84 int	isascii __P((int));
85 int	isblank __P((int));
86 int	toascii __P((int));
87 int	digittoint __P((int));
88 #endif
89 __END_DECLS
90 
91 #define	__istype(c,f)	(!!__maskrune((c),(f)))
92 
93 #define	isalnum(c)	__istype((c), _A|_D)
94 #define	isalpha(c)	__istype((c), _A)
95 #define	iscntrl(c)	__istype((c), _C)
96 #define	isdigit(c)	__isctype((c), _D) /* ANSI -- locale independent */
97 #define	isgraph(c)	__istype((c), _G)
98 #define	islower(c)	__istype((c), _L)
99 #define	isprint(c)	__istype((c), _R)
100 #define	ispunct(c)	__istype((c), _P)
101 #define	isspace(c)	__istype((c), _S)
102 #define	isupper(c)	__istype((c), _U)
103 #define	isxdigit(c)	__isctype((c), _X) /* ANSI -- locale independent */
104 #define	tolower(c)	__tolower(c)
105 #define	toupper(c)	__toupper(c)
106 
107 #if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE)
108 #define	isascii(c)	(((c) & ~0x7F) == 0)
109 #define	isblank(c)	__istype((c), _B)
110 #define	toascii(c)	((c) & 0x7F)
111 #define	digittoint(c)	__maskrune((c), 0xFF)
112 
113 /* XXX the following macros are not backed up by functions. */
114 #define	ishexnumber(c)	__istype((c), _X)
115 #define	isideogram(c)	__istype((c), _I)
116 #define	isnumber(c)	__istype((c), _D)
117 #define	isphonogram(c)	__istype((c), _Q)
118 #define	isrune(c)	__istype((c), 0xFFFFFF00L)
119 #define	isspecial(c)	__istype((c), _T)
120 #endif
121 
122 /* See comments in <machine/ansi.h> about _BSD_CT_RUNE_T_. */
123 __BEGIN_DECLS
124 unsigned long	___runetype __P((_BSD_CT_RUNE_T_));
125 _BSD_CT_RUNE_T_	___tolower __P((_BSD_CT_RUNE_T_));
126 _BSD_CT_RUNE_T_	___toupper __P((_BSD_CT_RUNE_T_));
127 __END_DECLS
128 
129 /*
130  * _EXTERNALIZE_CTYPE_INLINES_ is defined in locale/nomacros.c to tell us
131  * to generate code for extern versions of all our inline functions.
132  */
133 #ifdef _EXTERNALIZE_CTYPE_INLINES_
134 #define	_USE_CTYPE_INLINE_
135 #define	static
136 #define	__inline
137 #endif
138 
139 /*
140  * Use inline functions if we are allowed to and the compiler supports them.
141  */
142 #if !defined(_DONT_USE_CTYPE_INLINE_) && \
143     (defined(_USE_CTYPE_INLINE_) || defined(__GNUC__) || defined(__cplusplus))
144 static __inline int
145 __maskrune(_BSD_CT_RUNE_T_ _c, unsigned long _f)
146 {
147 	return ((_c < 0 || _c >= _CACHED_RUNES) ? ___runetype(_c) :
148 		_CurrentRuneLocale->runetype[_c]) & _f;
149 }
150 
151 static __inline int
152 __isctype(_BSD_CT_RUNE_T_ _c, unsigned long _f)
153 {
154 	return (_c < 0 || _c >= _CACHED_RUNES) ? 0 :
155 	       !!(_DefaultRuneLocale.runetype[_c] & _f);
156 }
157 
158 static __inline _BSD_CT_RUNE_T_
159 __toupper(_BSD_CT_RUNE_T_ _c)
160 {
161 	return (_c < 0 || _c >= _CACHED_RUNES) ? ___toupper(_c) :
162 	       _CurrentRuneLocale->mapupper[_c];
163 }
164 
165 static __inline _BSD_CT_RUNE_T_
166 __tolower(_BSD_CT_RUNE_T_ _c)
167 {
168 	return (_c < 0 || _c >= _CACHED_RUNES) ? ___tolower(_c) :
169 	       _CurrentRuneLocale->maplower[_c];
170 }
171 
172 #else /* not using inlines */
173 
174 __BEGIN_DECLS
175 int		__maskrune __P((_BSD_CT_RUNE_T_, unsigned long));
176 int		__isctype __P((_BSD_CT_RUNE_T_, unsigned long));
177 _BSD_CT_RUNE_T_	__toupper __P((_BSD_CT_RUNE_T_));
178 _BSD_CT_RUNE_T_	__tolower __P((_BSD_CT_RUNE_T_));
179 __END_DECLS
180 #endif /* using inlines */
181 
182 #endif /* !_CTYPE_H_ */
183