1 | /* Copyright (C) 1996-2018 Free Software Foundation, Inc. |
2 | This file is part of the GNU C Library. |
3 | |
4 | The GNU C Library is free software; you can redistribute it and/or |
5 | modify it under the terms of the GNU Lesser General Public |
6 | License as published by the Free Software Foundation; either |
7 | version 2.1 of the License, or (at your option) any later version. |
8 | |
9 | The GNU C Library is distributed in the hope that it will be useful, |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
12 | Lesser General Public License for more details. |
13 | |
14 | You should have received a copy of the GNU Lesser General Public |
15 | License along with the GNU C Library; if not, see |
16 | <http://www.gnu.org/licenses/>. */ |
17 | |
18 | /* |
19 | * ISO C99 Standard: 7.25 |
20 | * Wide character classification and mapping utilities <wctype.h> |
21 | */ |
22 | |
23 | #ifndef _WCTYPE_H |
24 | #define _WCTYPE_H 1 |
25 | |
26 | #include <features.h> |
27 | #include <bits/types.h> |
28 | #include <bits/types/wint_t.h> |
29 | |
30 | /* Constant expression of type `wint_t' whose value does not correspond |
31 | to any member of the extended character set. */ |
32 | #ifndef WEOF |
33 | # define WEOF (0xffffffffu) |
34 | #endif |
35 | |
36 | /* Some definitions from this header also appear in <wchar.h> in |
37 | Unix98 mode. */ |
38 | #include <bits/wctype-wchar.h> |
39 | |
40 | /* |
41 | * Extensible wide-character mapping functions: 7.15.3.2. |
42 | */ |
43 | |
44 | __BEGIN_DECLS |
45 | |
46 | /* Scalar type that can hold values which represent locale-specific |
47 | character mappings. */ |
48 | typedef const __int32_t *wctrans_t; |
49 | |
50 | /* Construct value that describes a mapping between wide characters |
51 | identified by the string argument PROPERTY. */ |
52 | extern wctrans_t wctrans (const char *__property) __THROW; |
53 | |
54 | /* Map the wide character WC using the mapping described by DESC. */ |
55 | extern wint_t towctrans (wint_t __wc, wctrans_t __desc) __THROW; |
56 | |
57 | # ifdef __USE_XOPEN2K8 |
58 | /* POSIX.1-2008 extended locale interface (see locale.h). */ |
59 | # include <bits/types/locale_t.h> |
60 | |
61 | /* Test for any wide character for which `iswalpha' or `iswdigit' is |
62 | true. */ |
63 | extern int iswalnum_l (wint_t __wc, locale_t __locale) __THROW; |
64 | |
65 | /* Test for any wide character for which `iswupper' or 'iswlower' is |
66 | true, or any wide character that is one of a locale-specific set of |
67 | wide-characters for which none of `iswcntrl', `iswdigit', |
68 | `iswpunct', or `iswspace' is true. */ |
69 | extern int iswalpha_l (wint_t __wc, locale_t __locale) __THROW; |
70 | |
71 | /* Test for any control wide character. */ |
72 | extern int iswcntrl_l (wint_t __wc, locale_t __locale) __THROW; |
73 | |
74 | /* Test for any wide character that corresponds to a decimal-digit |
75 | character. */ |
76 | extern int iswdigit_l (wint_t __wc, locale_t __locale) __THROW; |
77 | |
78 | /* Test for any wide character for which `iswprint' is true and |
79 | `iswspace' is false. */ |
80 | extern int iswgraph_l (wint_t __wc, locale_t __locale) __THROW; |
81 | |
82 | /* Test for any wide character that corresponds to a lowercase letter |
83 | or is one of a locale-specific set of wide characters for which |
84 | none of `iswcntrl', `iswdigit', `iswpunct', or `iswspace' is true. */ |
85 | extern int iswlower_l (wint_t __wc, locale_t __locale) __THROW; |
86 | |
87 | /* Test for any printing wide character. */ |
88 | extern int iswprint_l (wint_t __wc, locale_t __locale) __THROW; |
89 | |
90 | /* Test for any printing wide character that is one of a |
91 | locale-specific et of wide characters for which neither `iswspace' |
92 | nor `iswalnum' is true. */ |
93 | extern int iswpunct_l (wint_t __wc, locale_t __locale) __THROW; |
94 | |
95 | /* Test for any wide character that corresponds to a locale-specific |
96 | set of wide characters for which none of `iswalnum', `iswgraph', or |
97 | `iswpunct' is true. */ |
98 | extern int iswspace_l (wint_t __wc, locale_t __locale) __THROW; |
99 | |
100 | /* Test for any wide character that corresponds to an uppercase letter |
101 | or is one of a locale-specific set of wide character for which none |
102 | of `iswcntrl', `iswdigit', `iswpunct', or `iswspace' is true. */ |
103 | extern int iswupper_l (wint_t __wc, locale_t __locale) __THROW; |
104 | |
105 | /* Test for any wide character that corresponds to a hexadecimal-digit |
106 | character equivalent to that performed be the functions described |
107 | in the previous subclause. */ |
108 | extern int iswxdigit_l (wint_t __wc, locale_t __locale) __THROW; |
109 | |
110 | /* Test for any wide character that corresponds to a standard blank |
111 | wide character or a locale-specific set of wide characters for |
112 | which `iswalnum' is false. */ |
113 | extern int iswblank_l (wint_t __wc, locale_t __locale) __THROW; |
114 | |
115 | /* Construct value that describes a class of wide characters identified |
116 | by the string argument PROPERTY. */ |
117 | extern wctype_t wctype_l (const char *__property, locale_t __locale) |
118 | __THROW; |
119 | |
120 | /* Determine whether the wide-character WC has the property described by |
121 | DESC. */ |
122 | extern int iswctype_l (wint_t __wc, wctype_t __desc, locale_t __locale) |
123 | __THROW; |
124 | |
125 | /* |
126 | * Wide-character case-mapping functions. |
127 | */ |
128 | |
129 | /* Converts an uppercase letter to the corresponding lowercase letter. */ |
130 | extern wint_t towlower_l (wint_t __wc, locale_t __locale) __THROW; |
131 | |
132 | /* Converts an lowercase letter to the corresponding uppercase letter. */ |
133 | extern wint_t towupper_l (wint_t __wc, locale_t __locale) __THROW; |
134 | |
135 | /* Construct value that describes a mapping between wide characters |
136 | identified by the string argument PROPERTY. */ |
137 | extern wctrans_t wctrans_l (const char *__property, locale_t __locale) |
138 | __THROW; |
139 | |
140 | /* Map the wide character WC using the mapping described by DESC. */ |
141 | extern wint_t towctrans_l (wint_t __wc, wctrans_t __desc, |
142 | locale_t __locale) __THROW; |
143 | |
144 | # endif /* Use POSIX 2008. */ |
145 | |
146 | __END_DECLS |
147 | |
148 | #endif /* wctype.h */ |
149 | |