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