1 /* Copyright (C) 1996,97,98,99,2000,01,02 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
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.
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.
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/>. */
19 * ISO C99 Standard: 7.25
20 * Wide character classification and mapping utilities <wctype.h>
26 #include <bits/types.h>
28 #ifndef __UCLIBC_HAS_WCHAR__
29 #error Attempted to include wctype.h when uClibc built without wide char support.
35 /* We try to get wint_t from <stddef.h>, but not all GCC versions define it
36 there. So define it ourselves if it remains undefined. */
37 # define __need_wint_t
40 /* Integral type unchanged by default argument promotions that can
41 hold any value corresponding to members of the extended character
42 set, as well as at least one value that does not correspond to any
43 member of the extended character set. */
45 typedef unsigned int wint_t;
48 __USING_NAMESPACE_C99(wint_t)
52 /* Constant expression of type `wint_t' whose value does not correspond
53 to any member of the extended character set. */
55 # define WEOF (0xffffffffu)
61 /* The following part is also used in the <wcsmbs.h> header when compiled
62 in the Unix98 compatibility mode. */
63 #ifndef __iswxxx_defined
64 # define __iswxxx_defined 1
67 /* Scalar type that can hold values which represent locale-specific
68 character classifications. */
69 /* uClibc note: glibc uses - typedef unsigned long int wctype_t; */
70 typedef unsigned int wctype_t;
74 # define _ISwbit(bit) (1 << (bit))
78 __ISwupper = 0, /* UPPERCASE. */
79 __ISwlower = 1, /* lowercase. */
80 __ISwalpha = 2, /* Alphabetic. */
81 __ISwdigit = 3, /* Numeric. */
82 __ISwxdigit = 4, /* Hexadecimal numeric. */
83 __ISwspace = 5, /* Whitespace. */
84 __ISwprint = 6, /* Printing. */
85 __ISwgraph = 7, /* Graphical. */
86 __ISwblank = 8, /* Blank (usually SPC and TAB). */
87 __ISwcntrl = 9, /* Control character. */
88 __ISwpunct = 10, /* Punctuation. */
89 __ISwalnum = 11, /* Alphanumeric. */
91 _ISwupper = _ISwbit (__ISwupper), /* UPPERCASE. */
92 _ISwlower = _ISwbit (__ISwlower), /* lowercase. */
93 _ISwalpha = _ISwbit (__ISwalpha), /* Alphabetic. */
94 _ISwdigit = _ISwbit (__ISwdigit), /* Numeric. */
95 _ISwxdigit = _ISwbit (__ISwxdigit), /* Hexadecimal numeric. */
96 _ISwspace = _ISwbit (__ISwspace), /* Whitespace. */
97 _ISwprint = _ISwbit (__ISwprint), /* Printing. */
98 _ISwgraph = _ISwbit (__ISwgraph), /* Graphical. */
99 _ISwblank = _ISwbit (__ISwblank), /* Blank (usually SPC and TAB). */
100 _ISwcntrl = _ISwbit (__ISwcntrl), /* Control character. */
101 _ISwpunct = _ISwbit (__ISwpunct), /* Punctuation. */
102 _ISwalnum = _ISwbit (__ISwalnum) /* Alphanumeric. */
105 # if defined(__UCLIBC_MJN3_ONLY__) && defined(L_iswctype)
106 #warning remove _ISwbit already defined check?
107 #error _ISwbit already defined!
109 # endif /* Not _ISwbit */
114 __BEGIN_NAMESPACE_C99
116 * Wide-character classification functions: 7.15.2.1.
119 /* Test for any wide character for which `iswalpha' or `iswdigit' is
121 extern int iswalnum (wint_t __wc) __THROW;
122 libc_hidden_proto(iswalnum)
124 /* Test for any wide character for which `iswupper' or 'iswlower' is
125 true, or any wide character that is one of a locale-specific set of
126 wide-characters for which none of `iswcntrl', `iswdigit',
127 `iswpunct', or `iswspace' is true. */
128 extern int iswalpha (wint_t __wc) __THROW;
130 /* Test for any control wide character. */
131 extern int iswcntrl (wint_t __wc) __THROW;
133 /* Test for any wide character that corresponds to a decimal-digit
135 extern int iswdigit (wint_t __wc) __THROW;
137 /* Test for any wide character for which `iswprint' is true and
138 `iswspace' is false. */
139 extern int iswgraph (wint_t __wc) __THROW;
141 /* Test for any wide character that corresponds to a lowercase letter
142 or is one of a locale-specific set of wide characters for which
143 none of `iswcntrl', `iswdigit', `iswpunct', or `iswspace' is true. */
144 extern int iswlower (wint_t __wc) __THROW;
145 libc_hidden_proto(iswlower)
147 /* Test for any printing wide character. */
148 extern int iswprint (wint_t __wc) __THROW;
150 /* Test for any printing wide character that is one of a
151 locale-specific et of wide characters for which neither `iswspace'
152 nor `iswalnum' is true. */
153 extern int iswpunct (wint_t __wc) __THROW;
155 /* Test for any wide character that corresponds to a locale-specific
156 set of wide characters for which none of `iswalnum', `iswgraph', or
157 `iswpunct' is true. */
158 extern int iswspace (wint_t __wc) __THROW;
159 libc_hidden_proto(iswspace)
161 /* Test for any wide character that corresponds to an uppercase letter
162 or is one of a locale-specific set of wide character for which none
163 of `iswcntrl', `iswdigit', `iswpunct', or `iswspace' is true. */
164 extern int iswupper (wint_t __wc) __THROW;
165 libc_hidden_proto(iswupper)
167 /* Test for any wide character that corresponds to a hexadecimal-digit
168 character equivalent to that performed be the functions described
169 in the previous subclause. */
170 extern int iswxdigit (wint_t __wc) __THROW;
172 /* Test for any wide character that corresponds to a standard blank
173 wide character or a locale-specific set of wide characters for
174 which `iswalnum' is false. */
176 extern int iswblank (wint_t __wc) __THROW;
180 * Extensible wide-character classification functions: 7.15.2.2.
183 /* Construct value that describes a class of wide characters identified
184 by the string argument PROPERTY. */
185 extern wctype_t wctype (__const char *__property) __THROW;
186 libc_hidden_proto(wctype)
188 /* Determine whether the wide-character WC has the property described by
190 extern int iswctype (wint_t __wc, wctype_t __desc) __THROW;
191 libc_hidden_proto(iswctype)
196 * Wide-character case-mapping functions: 7.15.3.1.
199 __BEGIN_NAMESPACE_C99
200 /* Scalar type that can hold values which represent locale-specific
201 character mappings. */
202 /* uClibc note: glibc uses - typedef __const __int32_t *wctrans_t; */
203 typedef unsigned int wctrans_t;
206 __USING_NAMESPACE_C99(wctrans_t)
209 __BEGIN_NAMESPACE_C99
210 /* Converts an uppercase letter to the corresponding lowercase letter. */
211 extern wint_t towlower (wint_t __wc) __THROW;
212 libc_hidden_proto(towlower)
214 /* Converts an lowercase letter to the corresponding uppercase letter. */
215 extern wint_t towupper (wint_t __wc) __THROW;
216 libc_hidden_proto(towupper)
221 #endif /* need iswxxx. */
224 /* The remaining definitions and declarations must not appear in the
225 <wcsmbs.h> header. */
229 * Extensible wide-character mapping functions: 7.15.3.2.
234 __BEGIN_NAMESPACE_C99
235 /* Construct value that describes a mapping between wide characters
236 identified by the string argument PROPERTY. */
237 extern wctrans_t wctrans (__const char *__property) __THROW;
238 libc_hidden_proto(wctrans)
240 /* Map the wide character WC using the mapping described by DESC. */
241 extern wint_t towctrans (wint_t __wc, wctrans_t __desc) __THROW;
242 libc_hidden_proto(towctrans)
245 #if defined(__USE_GNU) && defined(__UCLIBC_HAS_XLOCALE__)
246 /* Declare the interface to extended locale model. */
247 # include <xlocale.h>
249 /* Test for any wide character for which `iswalpha' or `iswdigit' is
251 extern int iswalnum_l (wint_t __wc, __locale_t __locale) __THROW;
253 /* Test for any wide character for which `iswupper' or 'iswlower' is
254 true, or any wide character that is one of a locale-specific set of
255 wide-characters for which none of `iswcntrl', `iswdigit',
256 `iswpunct', or `iswspace' is true. */
257 extern int iswalpha_l (wint_t __wc, __locale_t __locale) __THROW;
259 /* Test for any control wide character. */
260 extern int iswcntrl_l (wint_t __wc, __locale_t __locale) __THROW;
262 /* Test for any wide character that corresponds to a decimal-digit
264 extern int iswdigit_l (wint_t __wc, __locale_t __locale) __THROW;
266 /* Test for any wide character for which `iswprint' is true and
267 `iswspace' is false. */
268 extern int iswgraph_l (wint_t __wc, __locale_t __locale) __THROW;
270 /* Test for any wide character that corresponds to a lowercase letter
271 or is one of a locale-specific set of wide characters for which
272 none of `iswcntrl', `iswdigit', `iswpunct', or `iswspace' is true. */
273 extern int iswlower_l (wint_t __wc, __locale_t __locale) __THROW;
275 /* Test for any printing wide character. */
276 extern int iswprint_l (wint_t __wc, __locale_t __locale) __THROW;
278 /* Test for any printing wide character that is one of a
279 locale-specific et of wide characters for which neither `iswspace'
280 nor `iswalnum' is true. */
281 extern int iswpunct_l (wint_t __wc, __locale_t __locale) __THROW;
283 /* Test for any wide character that corresponds to a locale-specific
284 set of wide characters for which none of `iswalnum', `iswgraph', or
285 `iswpunct' is true. */
286 extern int iswspace_l (wint_t __wc, __locale_t __locale) __THROW;
287 libc_hidden_proto(iswspace_l)
289 /* Test for any wide character that corresponds to an uppercase letter
290 or is one of a locale-specific set of wide character for which none
291 of `iswcntrl', `iswdigit', `iswpunct', or `iswspace' is true. */
292 extern int iswupper_l (wint_t __wc, __locale_t __locale) __THROW;
294 /* Test for any wide character that corresponds to a hexadecimal-digit
295 character equivalent to that performed be the functions described
296 in the previous subclause. */
297 extern int iswxdigit_l (wint_t __wc, __locale_t __locale) __THROW;
299 /* Test for any wide character that corresponds to a standard blank
300 wide character or a locale-specific set of wide characters for
301 which `iswalnum' is false. */
302 extern int iswblank_l (wint_t __wc, __locale_t __locale) __THROW;
304 /* Construct value that describes a class of wide characters identified
305 by the string argument PROPERTY. */
306 extern wctype_t wctype_l (__const char *__property, __locale_t __locale)
309 /* Determine whether the wide-character WC has the property described by
311 extern int iswctype_l (wint_t __wc, wctype_t __desc, __locale_t __locale)
313 libc_hidden_proto(iswctype_l)
317 * Wide-character case-mapping functions.
320 /* Converts an uppercase letter to the corresponding lowercase letter. */
321 extern wint_t towlower_l (wint_t __wc, __locale_t __locale) __THROW;
322 libc_hidden_proto(towlower_l)
324 /* Converts an lowercase letter to the corresponding uppercase letter. */
325 extern wint_t towupper_l (wint_t __wc, __locale_t __locale) __THROW;
326 libc_hidden_proto(towupper_l)
328 /* Construct value that describes a mapping between wide characters
329 identified by the string argument PROPERTY. */
330 extern wctrans_t wctrans_l (__const char *__property, __locale_t __locale)
333 /* Map the wide character WC using the mapping described by DESC. */
334 extern wint_t towctrans_l (wint_t __wc, wctrans_t __desc,
335 __locale_t __locale) __THROW;
336 libc_hidden_proto(towctrans_l)
338 # endif /* Use GNU. */
342 #endif /* __WCTYPE_H defined. */
344 #endif /* wctype.h */