1/* $NetBSD: isctype.c,v 1.26 2024/06/07 13:53:22 riastradh Exp $ */
2
3/*-
4 * Copyright (c)2008 Citrus Project,
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29#include <sys/cdefs.h>
30#if defined(LIBC_SCCS) && !defined(lint)
31__RCSID("$NetBSD: isctype.c,v 1.26 2024/06/07 13:53:22 riastradh Exp $");
32#endif /* LIBC_SCCS and not lint */
33
34#include "namespace.h"
35#include <sys/types.h>
36#include <sys/ctype_bits.h>
37#define _CTYPE_NOINLINE
38#include <ctype.h>
39#include <langinfo.h>
40#define __SETLOCALE_SOURCE__
41#include <locale.h>
42#include <stdio.h>
43#if EOF != -1
44#error "EOF != -1"
45#endif
46
47#include "runetype_local.h"
48#include "setlocale_local.h"
49
50#define _RUNE_LOCALE(loc) \
51    ((_RuneLocale *)((loc)->part_impl[LC_CTYPE]))
52
53#define _ISCTYPE_FUNC(name, bit) \
54int \
55is##name(int c) \
56{ \
57	return (int)_ctype_tab_[c + 1] & (bit); \
58} \
59int \
60is##name ## _l(int c, locale_t loc) \
61{ \
62	return (int)((_RUNE_LOCALE(loc)->rl_ctype_tab[c + 1]) & (bit)); \
63}
64
65_ISCTYPE_FUNC(alnum, (_CTYPE_A|_CTYPE_D))
66_ISCTYPE_FUNC(alpha,  _CTYPE_A)
67_ISCTYPE_FUNC(blank,  _CTYPE_BL)
68_ISCTYPE_FUNC(cntrl,  _CTYPE_C            )
69_ISCTYPE_FUNC(digit,  _CTYPE_D)
70_ISCTYPE_FUNC(graph,  _CTYPE_G)
71_ISCTYPE_FUNC(lower,  _CTYPE_L            )
72_ISCTYPE_FUNC(print,  _CTYPE_R)
73_ISCTYPE_FUNC(punct,  _CTYPE_P            )
74_ISCTYPE_FUNC(space,  _CTYPE_S            )
75_ISCTYPE_FUNC(upper,  _CTYPE_U            )
76_ISCTYPE_FUNC(xdigit, _CTYPE_X)
77
78int
79toupper(int c)
80{
81	return (int)_toupper_tab_[c + 1];
82}
83
84int
85toupper_l(int c, locale_t loc)
86{
87	return (int)(_RUNE_LOCALE(loc)->rl_toupper_tab[c + 1]);
88}
89
90int
91tolower(int c)
92{
93	return (int)_tolower_tab_[c + 1];
94}
95
96int
97tolower_l(int c, locale_t loc)
98{
99	return (int)(_RUNE_LOCALE(loc)->rl_tolower_tab[c + 1]);
100}
101
102int
103_toupper(int c)
104{
105	return (c - 'a' + 'A');
106}
107
108int
109_tolower(int c)
110{
111	return (c - 'A' + 'a');
112}
113