wctype.c revision 290494 
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
32#include <sys/cdefs.h>
33__FBSDID("$FreeBSD: head/lib/libc/locale/wctype.c 290494 2015-11-07 12:43:35Z bapt $");
34
35#include <ctype.h>
36#include <string.h>
37#include <wctype.h>
38#include <xlocale.h>
39
40#undef iswctype
41int
42iswctype(wint_t wc, wctype_t charclass)
43{
44	return (__istype(wc, charclass));
45}
46int
47iswctype_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 */
57wctype_t
58wctype_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
112wctype_t wctype(const char *property)
113{
114	return wctype_l(property, 0);
115}
116