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.
10 * This code is derived from software contributed to Berkeley by
11 * Paul Borman at Krystal Technologies.
13 * Redistribution and use in source and binary forms, with or without
14 * modification, are permitted provided that the following conditions
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. Neither the name of the University nor the names of its contributors
22 * may be used to endorse or promote products derived from this software
23 * without specific prior written permission.
25 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
37 * @(#)ctype.h 8.4 (Berkeley) 1/21/94
38 * $FreeBSD: head/include/ctype.h 233600 2012-03-28 12:11:54Z theraven $
44 #include <sys/cdefs.h>
45 #include <sys/types.h>
47 #define _CTYPE_A 0x00000100L /* Alpha */
48 #define _CTYPE_C 0x00000200L /* Control */
49 #define _CTYPE_D 0x00000400L /* Digit */
50 #define _CTYPE_G 0x00000800L /* Graph */
51 #define _CTYPE_L 0x00001000L /* Lower */
52 #define _CTYPE_P 0x00002000L /* Punct */
53 #define _CTYPE_S 0x00004000L /* Space */
54 #define _CTYPE_U 0x00008000L /* Upper */
55 #define _CTYPE_X 0x00010000L /* X digit */
56 #define _CTYPE_B 0x00020000L /* Blank */
57 #define _CTYPE_R 0x00040000L /* Print */
58 #define _CTYPE_I 0x00080000L /* Ideogram */
59 #define _CTYPE_T 0x00100000L /* Special */
60 #define _CTYPE_Q 0x00200000L /* Phonogram */
61 #define _CTYPE_SW0 0x20000000L /* 0 width character */
62 #define _CTYPE_SW1 0x40000000L /* 1 width character */
63 #define _CTYPE_SW2 0x80000000L /* 2 width character */
64 #define _CTYPE_SW3 0xc0000000L /* 3 width character */
65 #define _CTYPE_SWM 0xe0000000L /* Mask for screen width data */
66 #define _CTYPE_SWS 30 /* Bits to shift to get width */
68 /* See comments in <sys/_types.h> about __ct_rune_t. */
70 unsigned long ___runetype(__ct_rune_t
) __pure
;
71 __ct_rune_t
___tolower(__ct_rune_t
) __pure
;
72 __ct_rune_t
___toupper(__ct_rune_t
) __pure
;
76 * _EXTERNALIZE_CTYPE_INLINES_ is defined in locale/nomacros.c to tell us
77 * to generate code for extern versions of all our inline functions.
79 #ifdef _EXTERNALIZE_CTYPE_INLINES_
80 #define _USE_CTYPE_INLINE_
85 extern int __mb_sb_limit
;
88 * Use inline functions if we are allowed to and the compiler supports them.
90 #if !defined(_DONT_USE_CTYPE_INLINE_) && \
91 (defined(_USE_CTYPE_INLINE_) || defined(__GNUC__) || defined(__cplusplus))
96 __maskrune(__ct_rune_t _c
, unsigned long _f
)
98 return ((_c
< 0 || _c
>= _CACHED_RUNES
) ? ___runetype(_c
) :
99 _CurrentRuneLocale
->__runetype
[_c
]) & _f
;
103 __sbmaskrune(__ct_rune_t _c
, unsigned long _f
)
105 return (_c
< 0 || _c
>= __mb_sb_limit
) ? 0 :
106 _CurrentRuneLocale
->__runetype
[_c
] & _f
;
110 __istype(__ct_rune_t _c
, unsigned long _f
)
112 return (!!__maskrune(_c
, _f
));
116 __sbistype(__ct_rune_t _c
, unsigned long _f
)
118 return (!!__sbmaskrune(_c
, _f
));
122 __isctype(__ct_rune_t _c
, unsigned long _f
)
124 return (_c
< 0 || _c
>= 128) ? 0 :
125 !!(_DefaultRuneLocale
.__runetype
[_c
] & _f
);
128 static __inline __ct_rune_t
129 __toupper(__ct_rune_t _c
)
131 return (_c
< 0 || _c
>= _CACHED_RUNES
) ? ___toupper(_c
) :
132 _CurrentRuneLocale
->__mapupper
[_c
];
135 static __inline __ct_rune_t
136 __sbtoupper(__ct_rune_t _c
)
138 return (_c
< 0 || _c
>= __mb_sb_limit
) ? _c
:
139 _CurrentRuneLocale
->__mapupper
[_c
];
142 static __inline __ct_rune_t
143 __tolower(__ct_rune_t _c
)
145 return (_c
< 0 || _c
>= _CACHED_RUNES
) ? ___tolower(_c
) :
146 _CurrentRuneLocale
->__maplower
[_c
];
149 static __inline __ct_rune_t
150 __sbtolower(__ct_rune_t _c
)
152 return (_c
< 0 || _c
>= __mb_sb_limit
) ? _c
:
153 _CurrentRuneLocale
->__maplower
[_c
];
157 __wcwidth(__ct_rune_t _c
)
163 _x
= (unsigned int)__maskrune(_c
, _CTYPE_SWM
|_CTYPE_R
);
164 if ((_x
& _CTYPE_SWM
) != 0)
165 return ((_x
& _CTYPE_SWM
) >> _CTYPE_SWS
);
166 return ((_x
& _CTYPE_R
) != 0 ? 1 : -1);
169 #else /* not using inlines */
172 int __maskrune(__ct_rune_t
, unsigned long);
173 int __sbmaskrune(__ct_rune_t
, unsigned long);
174 int __istype(__ct_rune_t
, unsigned long);
175 int __sbistype(__ct_rune_t
, unsigned long);
176 int __isctype(__ct_rune_t
, unsigned long);
177 __ct_rune_t
__toupper(__ct_rune_t
);
178 __ct_rune_t
__sbtoupper(__ct_rune_t
);
179 __ct_rune_t
__tolower(__ct_rune_t
);
180 __ct_rune_t
__sbtolower(__ct_rune_t
);
181 int __wcwidth(__ct_rune_t
);
183 #endif /* using inlines */
206 #if __ISO_C_VISIBLE >= 1999
212 int ishexnumber(int);
215 int isphonogram(int);
220 #if __POSIX_VISIBLE >= 200809 || defined(_XLOCALE_H_)
221 #include <xlocale/_ctype.h>
226 #define isalnum(c) __sbistype((c), _CTYPE_A|_CTYPE_D)
227 #define isalpha(c) __sbistype((c), _CTYPE_A)
228 #define iscntrl(c) __sbistype((c), _CTYPE_C)
229 #define isdigit(c) __isctype((c), _CTYPE_D) /* ANSI -- locale independent */
230 #define isgraph(c) __sbistype((c), _CTYPE_G)
231 #define islower(c) __sbistype((c), _CTYPE_L)
232 #define isprint(c) __sbistype((c), _CTYPE_R)
233 #define ispunct(c) __sbistype((c), _CTYPE_P)
234 #define isspace(c) __sbistype((c), _CTYPE_S)
235 #define isupper(c) __sbistype((c), _CTYPE_U)
236 #define isxdigit(c) __isctype((c), _CTYPE_X) /* ANSI -- locale independent */
237 #define tolower(c) __sbtolower(c)
238 #define toupper(c) __sbtoupper(c)
239 #endif /* !__cplusplus */
243 * POSIX.1-2001 specifies _tolower() and _toupper() to be macros equivalent to
244 * tolower() and toupper() respectively, minus extra checking to ensure that
245 * the argument is a lower or uppercase letter respectively. We've chosen to
246 * implement these macros with the same error checking as tolower() and
247 * toupper() since this doesn't violate the specification itself, only its
248 * intent. We purposely leave _tolower() and _toupper() undocumented to
249 * discourage their use.
251 * XXX isascii() and toascii() should similarly be undocumented.
253 #define _tolower(c) __sbtolower(c)
254 #define _toupper(c) __sbtoupper(c)
255 #define isascii(c) (((c) & ~0x7F) == 0)
256 #define toascii(c) ((c) & 0x7F)
259 #if __ISO_C_VISIBLE >= 1999 && !defined(__cplusplus)
260 #define isblank(c) __sbistype((c), _CTYPE_B)
264 #define digittoint(c) __sbmaskrune((c), 0xFF)
265 #define ishexnumber(c) __sbistype((c), _CTYPE_X)
266 #define isideogram(c) __sbistype((c), _CTYPE_I)
267 #define isnumber(c) __sbistype((c), _CTYPE_D)
268 #define isphonogram(c) __sbistype((c), _CTYPE_Q)
269 #define isrune(c) __sbistype((c), 0xFFFFFF00L)
270 #define isspecial(c) __sbistype((c), _CTYPE_T)
273 #endif /* !_CTYPE_H_ */