xref: /dragonfly/lib/libc/locale/wctype.c (revision 31524921)
1 /*-
2  * Copyright (c) 2002 Tim J. Robbins.
3  * All rights reserved.
4  *
5  * Copyright (c) 2011 The FreeBSD Foundation
6  * All rights reserved.
7  * Portions of this software were developed by David Chisnall
8  * under sponsorship from the FreeBSD Foundation.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29  * SUCH DAMAGE.
30  *
31  * $FreeBSD: head/lib/libc/locale/wctype.c 228269 2011-12-05 00:00:47Z jilles $
32  */
33 
34 
35 #include <ctype.h>
36 #include <string.h>
37 #include <wctype.h>
38 #include <xlocale.h>
39 
40 #undef iswctype
41 int
42 iswctype(wint_t wc, wctype_t charclass)
43 {
44 	return (__istype(wc, charclass));
45 }
46 int
47 iswctype_l(wint_t wc, wctype_t charclass, locale_t locale)
48 {
49 	return __istype_l(wc, charclass, locale);
50 }
51 
52 /*
53  * IMPORTANT: The 0 in the call to this function in wctype() must be changed to
54  * __get_locale() if wctype_l() is ever modified to actually use the locale
55  * parameter.
56  */
57 wctype_t
58 wctype_l(const char *property, locale_t locale)
59 {
60 	const char *propnames =
61 		"alnum\0"
62 		"alpha\0"
63 		"blank\0"
64 		"cntrl\0"
65 		"digit\0"
66 		"graph\0"
67 		"lower\0"
68 		"print\0"
69 		"punct\0"
70 		"space\0"
71 		"upper\0"
72 		"xdigit\0"
73 		"ideogram\0"	/* BSD extension */
74 		"special\0"	/* BSD extension */
75 		"phonogram\0"	/* BSD extension */
76 		"number\0"	/* BSD extension */
77 		"rune\0";	/* BSD extension */
78 	static const wctype_t propmasks[] = {
79 		_CTYPE_A|_CTYPE_N,
80 		_CTYPE_A,
81 		_CTYPE_B,
82 		_CTYPE_C,
83 		_CTYPE_D,
84 		_CTYPE_G,
85 		_CTYPE_L,
86 		_CTYPE_R,
87 		_CTYPE_P,
88 		_CTYPE_S,
89 		_CTYPE_U,
90 		_CTYPE_X,
91 		_CTYPE_I,
92 		_CTYPE_T,
93 		_CTYPE_Q,
94 		_CTYPE_N,
95 		0xFFFFFF00L
96 	};
97 	size_t len1, len2;
98 	const char *p;
99 	const wctype_t *q;
100 
101 	len1 = strlen(property);
102 	q = propmasks;
103 	for (p = propnames; (len2 = strlen(p)) != 0; p += len2 + 1) {
104 		if (len1 == len2 && memcmp(property, p, len1) == 0)
105 			return (*q);
106 		q++;
107 	}
108 
109 	return (0UL);
110 }
111 
112 wctype_t wctype(const char *property)
113 {
114 	return wctype_l(property, 0);
115 }
116