1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
|
/* Copyright (C) 1996-2023 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
/*
* ISO C99 Standard: 7.25
* Wide character classification and mapping utilities <wctype.h>
*/
#ifndef _BITS_WCTYPE_WCHAR_H
#define _BITS_WCTYPE_WCHAR_H 1
#if !defined _WCTYPE_H && !defined _WCHAR_H
#error "Never include <bits/wctype-wchar.h> directly; include <wctype.h> or <wchar.h> instead."
#endif
#include <bits/types.h>
#include <bits/types/wint_t.h>
/* The definitions in this header are specified to appear in <wctype.h>
in ISO C99, but in <wchar.h> in Unix98. _GNU_SOURCE follows C99. */
/* Scalar type that can hold values which represent locale-specific
character classifications. */
typedef unsigned long int wctype_t;
# ifndef _ISwbit
/* The characteristics are stored always in network byte order (big
endian). We define the bit value interpretations here dependent on the
machine's byte order. */
# include <bits/endian.h>
# if __BYTE_ORDER == __BIG_ENDIAN
# define _ISwbit(bit) (1 << (bit))
# else /* __BYTE_ORDER == __LITTLE_ENDIAN */
# define _ISwbit(bit) \
((bit) < 8 ? (int) ((1UL << (bit)) << 24) \
: ((bit) < 16 ? (int) ((1UL << (bit)) << 8) \
: ((bit) < 24 ? (int) ((1UL << (bit)) >> 8) \
: (int) ((1UL << (bit)) >> 24))))
# endif
enum
{
__ISwupper = 0, /* UPPERCASE. */
__ISwlower = 1, /* lowercase. */
__ISwalpha = 2, /* Alphabetic. */
__ISwdigit = 3, /* Numeric. */
__ISwxdigit = 4, /* Hexadecimal numeric. */
__ISwspace = 5, /* Whitespace. */
__ISwprint = 6, /* Printing. */
__ISwgraph = 7, /* Graphical. */
__ISwblank = 8, /* Blank (usually SPC and TAB). */
__ISwcntrl = 9, /* Control character. */
__ISwpunct = 10, /* Punctuation. */
__ISwalnum = 11, /* Alphanumeric. */
_ISwupper = _ISwbit (__ISwupper), /* UPPERCASE. */
_ISwlower = _ISwbit (__ISwlower), /* lowercase. */
_ISwalpha = _ISwbit (__ISwalpha), /* Alphabetic. */
_ISwdigit = _ISwbit (__ISwdigit), /* Numeric. */
_ISwxdigit = _ISwbit (__ISwxdigit), /* Hexadecimal numeric. */
_ISwspace = _ISwbit (__ISwspace), /* Whitespace. */
_ISwprint = _ISwbit (__ISwprint), /* Printing. */
_ISwgraph = _ISwbit (__ISwgraph), /* Graphical. */
_ISwblank = _ISwbit (__ISwblank), /* Blank (usually SPC and TAB). */
_ISwcntrl = _ISwbit (__ISwcntrl), /* Control character. */
_ISwpunct = _ISwbit (__ISwpunct), /* Punctuation. */
_ISwalnum = _ISwbit (__ISwalnum) /* Alphanumeric. */
};
# endif /* Not _ISwbit */
__BEGIN_DECLS
/*
* Wide-character classification functions: 7.15.2.1.
*/
/* Test for any wide character for which `iswalpha' or `iswdigit' is
true. */
extern int iswalnum (wint_t __wc) __THROW;
/* Test for any wide character for which `iswupper' or 'iswlower' is
true, or any wide character that is one of a locale-specific set of
wide-characters for which none of `iswcntrl', `iswdigit',
`iswpunct', or `iswspace' is true. */
extern int iswalpha (wint_t __wc) __THROW;
/* Test for any control wide character. */
extern int iswcntrl (wint_t __wc) __THROW;
/* Test for any wide character that corresponds to a decimal-digit
character. */
extern int iswdigit (wint_t __wc) __THROW;
/* Test for any wide character for which `iswprint' is true and
`iswspace' is false. */
extern int iswgraph (wint_t __wc) __THROW;
/* Test for any wide character that corresponds to a lowercase letter
or is one of a locale-specific set of wide characters for which
none of `iswcntrl', `iswdigit', `iswpunct', or `iswspace' is true. */
extern int iswlower (wint_t __wc) __THROW;
/* Test for any printing wide character. */
extern int iswprint (wint_t __wc) __THROW;
/* Test for any printing wide character that is one of a
locale-specific et of wide characters for which neither `iswspace'
nor `iswalnum' is true. */
extern int iswpunct (wint_t __wc) __THROW;
/* Test for any wide character that corresponds to a locale-specific
set of wide characters for which none of `iswalnum', `iswgraph', or
`iswpunct' is true. */
extern int iswspace (wint_t __wc) __THROW;
/* Test for any wide character that corresponds to an uppercase letter
or is one of a locale-specific set of wide character for which none
of `iswcntrl', `iswdigit', `iswpunct', or `iswspace' is true. */
extern int iswupper (wint_t __wc) __THROW;
/* Test for any wide character that corresponds to a hexadecimal-digit
character equivalent to that performed be the functions described
in the previous subclause. */
extern int iswxdigit (wint_t __wc) __THROW;
/* Test for any wide character that corresponds to a standard blank
wide character or a locale-specific set of wide characters for
which `iswalnum' is false. */
# ifdef __USE_ISOC99
extern int iswblank (wint_t __wc) __THROW;
# endif
/*
* Extensible wide-character classification functions: 7.15.2.2.
*/
/* Construct value that describes a class of wide characters identified
by the string argument PROPERTY. */
extern wctype_t wctype (const char *__property) __THROW;
/* Determine whether the wide-character WC has the property described by
DESC. */
extern int iswctype (wint_t __wc, wctype_t __desc) __THROW;
/*
* Wide-character case-mapping functions: 7.15.3.1.
*/
/* Converts an uppercase letter to the corresponding lowercase letter. */
extern wint_t towlower (wint_t __wc) __THROW;
/* Converts an lowercase letter to the corresponding uppercase letter. */
extern wint_t towupper (wint_t __wc) __THROW;
__END_DECLS
#endif /* bits/wctype-wchar.h. */
|
