xref: /minix/lib/libc/gen/isctype.c (revision 84d9c625)
1 /* $NetBSD: isctype.c,v 1.25 2013/08/19 22:43:28 joerg 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 1.25 2013/08/19 22:43:28 joerg 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[(size_t)LC_CTYPE]))
52 
53 #define _ISCTYPE_FUNC(name, bit) \
54 int \
55 is##name(int c) \
56 { \
57 	return (int)_ctype_tab_[c + 1] & (bit); \
58 } \
59 int \
60 is##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))
_ISCTYPE_FUNC(alpha,_CTYPE_A)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 
78 int
79 toupper(int c)
80 {
81 	return (int)_toupper_tab_[c + 1];
82 }
83 
84 int
toupper_l(int c,locale_t loc)85 toupper_l(int c, locale_t loc)
86 {
87 	return (int)(_RUNE_LOCALE(loc)->rl_toupper_tab[c + 1]);
88 }
89 
90 int
tolower(int c)91 tolower(int c)
92 {
93 	return (int)_tolower_tab_[c + 1];
94 }
95 
96 int
tolower_l(int c,locale_t loc)97 tolower_l(int c, locale_t loc)
98 {
99 	return (int)(_RUNE_LOCALE(loc)->rl_tolower_tab[c + 1]);
100 }
101 
102 int
_toupper(int c)103 _toupper(int c)
104 {
105 	return (c - 'a' + 'A');
106 }
107 
108 int
_tolower(int c)109 _tolower(int c)
110 {
111 	return (c - 'A' + 'a');
112 }
113