| 1 | /* Copyright (C) 1996-2016 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 | |
| 25 | #include <features.h> |
| 26 | #include <bits/types.h> |
| 27 | |
| 28 | #ifndef __need_iswxxx |
| 29 | # define _WCTYPE_H 1 |
| 30 | |
| 31 | /* Get wint_t from <wchar.h>. */ |
| 32 | # define __need_wint_t |
| 33 | # include <wchar.h> |
| 34 | |
| 35 | /* Constant expression of type `wint_t' whose value does not correspond |
| 36 | to any member of the extended character set. */ |
| 37 | # ifndef WEOF |
| 38 | # define WEOF (0xffffffffu) |
| 39 | # endif |
| 40 | #endif |
| 41 | #undef __need_iswxxx |
| 42 | |
| 43 | |
| 44 | /* The following part is also used in the <wcsmbs.h> header when compiled |
| 45 | in the Unix98 compatibility mode. */ |
| 46 | #ifndef __iswxxx_defined |
| 47 | # define __iswxxx_defined 1 |
| 48 | |
| 49 | __BEGIN_NAMESPACE_C99 |
| 50 | /* Scalar type that can hold values which represent locale-specific |
| 51 | character classifications. */ |
| 52 | typedef unsigned long int wctype_t; |
| 53 | __END_NAMESPACE_C99 |
| 54 | |
| 55 | # ifndef _ISwbit |
| 56 | /* The characteristics are stored always in network byte order (big |
| 57 | endian). We define the bit value interpretations here dependent on the |
| 58 | machine's byte order. */ |
| 59 | |
| 60 | # include <endian.h> |
| 61 | # if __BYTE_ORDER == __BIG_ENDIAN |
| 62 | # define _ISwbit(bit) (1 << (bit)) |
| 63 | # else /* __BYTE_ORDER == __LITTLE_ENDIAN */ |
| 64 | # define _ISwbit(bit) \ |
| 65 | ((bit) < 8 ? (int) ((1UL << (bit)) << 24) \ |
| 66 | : ((bit) < 16 ? (int) ((1UL << (bit)) << 8) \ |
| 67 | : ((bit) < 24 ? (int) ((1UL << (bit)) >> 8) \ |
| 68 | : (int) ((1UL << (bit)) >> 24)))) |
| 69 | # endif |
| 70 | |
| 71 | enum |
| 72 | { |
| 73 | __ISwupper = 0, /* UPPERCASE. */ |
| 74 | __ISwlower = 1, /* lowercase. */ |
| 75 | __ISwalpha = 2, /* Alphabetic. */ |
| 76 | __ISwdigit = 3, /* Numeric. */ |
| 77 | __ISwxdigit = 4, /* Hexadecimal numeric. */ |
| 78 | __ISwspace = 5, /* Whitespace. */ |
| 79 | __ISwprint = 6, /* Printing. */ |
| 80 | __ISwgraph = 7, /* Graphical. */ |
| 81 | __ISwblank = 8, /* Blank (usually SPC and TAB). */ |
| 82 | __ISwcntrl = 9, /* Control character. */ |
| 83 | __ISwpunct = 10, /* Punctuation. */ |
| 84 | __ISwalnum = 11, /* Alphanumeric. */ |
| 85 | |
| 86 | _ISwupper = _ISwbit (__ISwupper), /* UPPERCASE. */ |
| 87 | _ISwlower = _ISwbit (__ISwlower), /* lowercase. */ |
| 88 | _ISwalpha = _ISwbit (__ISwalpha), /* Alphabetic. */ |
| 89 | _ISwdigit = _ISwbit (__ISwdigit), /* Numeric. */ |
| 90 | _ISwxdigit = _ISwbit (__ISwxdigit), /* Hexadecimal numeric. */ |
| 91 | _ISwspace = _ISwbit (__ISwspace), /* Whitespace. */ |
| 92 | _ISwprint = _ISwbit (__ISwprint), /* Printing. */ |
| 93 | _ISwgraph = _ISwbit (__ISwgraph), /* Graphical. */ |
| 94 | _ISwblank = _ISwbit (__ISwblank), /* Blank (usually SPC and TAB). */ |
| 95 | _ISwcntrl = _ISwbit (__ISwcntrl), /* Control character. */ |
| 96 | _ISwpunct = _ISwbit (__ISwpunct), /* Punctuation. */ |
| 97 | _ISwalnum = _ISwbit (__ISwalnum) /* Alphanumeric. */ |
| 98 | }; |
| 99 | # endif /* Not _ISwbit */ |
| 100 | |
| 101 | |
| 102 | __BEGIN_DECLS |
| 103 | |
| 104 | __BEGIN_NAMESPACE_C99 |
| 105 | /* |
| 106 | * Wide-character classification functions: 7.15.2.1. |
| 107 | */ |
| 108 | |
| 109 | /* Test for any wide character for which `iswalpha' or `iswdigit' is |
| 110 | true. */ |
| 111 | extern int iswalnum (wint_t __wc) __THROW; |
| 112 | |
| 113 | /* Test for any wide character for which `iswupper' or 'iswlower' is |
| 114 | true, or any wide character that is one of a locale-specific set of |
| 115 | wide-characters for which none of `iswcntrl', `iswdigit', |
| 116 | `iswpunct', or `iswspace' is true. */ |
| 117 | extern int iswalpha (wint_t __wc) __THROW; |
| 118 | |
| 119 | /* Test for any control wide character. */ |
| 120 | extern int iswcntrl (wint_t __wc) __THROW; |
| 121 | |
| 122 | /* Test for any wide character that corresponds to a decimal-digit |
| 123 | character. */ |
| 124 | extern int iswdigit (wint_t __wc) __THROW; |
| 125 | |
| 126 | /* Test for any wide character for which `iswprint' is true and |
| 127 | `iswspace' is false. */ |
| 128 | extern int iswgraph (wint_t __wc) __THROW; |
| 129 | |
| 130 | /* Test for any wide character that corresponds to a lowercase letter |
| 131 | or is one of a locale-specific set of wide characters for which |
| 132 | none of `iswcntrl', `iswdigit', `iswpunct', or `iswspace' is true. */ |
| 133 | extern int iswlower (wint_t __wc) __THROW; |
| 134 | |
| 135 | /* Test for any printing wide character. */ |
| 136 | extern int iswprint (wint_t __wc) __THROW; |
| 137 | |
| 138 | /* Test for any printing wide character that is one of a |
| 139 | locale-specific et of wide characters for which neither `iswspace' |
| 140 | nor `iswalnum' is true. */ |
| 141 | extern int iswpunct (wint_t __wc) __THROW; |
| 142 | |
| 143 | /* Test for any wide character that corresponds to a locale-specific |
| 144 | set of wide characters for which none of `iswalnum', `iswgraph', or |
| 145 | `iswpunct' is true. */ |
| 146 | extern int iswspace (wint_t __wc) __THROW; |
| 147 | |
| 148 | /* Test for any wide character that corresponds to an uppercase letter |
| 149 | or is one of a locale-specific set of wide character for which none |
| 150 | of `iswcntrl', `iswdigit', `iswpunct', or `iswspace' is true. */ |
| 151 | extern int iswupper (wint_t __wc) __THROW; |
| 152 | |
| 153 | /* Test for any wide character that corresponds to a hexadecimal-digit |
| 154 | character equivalent to that performed be the functions described |
| 155 | in the previous subclause. */ |
| 156 | extern int iswxdigit (wint_t __wc) __THROW; |
| 157 | |
| 158 | /* Test for any wide character that corresponds to a standard blank |
| 159 | wide character or a locale-specific set of wide characters for |
| 160 | which `iswalnum' is false. */ |
| 161 | # ifdef __USE_ISOC99 |
| 162 | extern int iswblank (wint_t __wc) __THROW; |
| 163 | # endif |
| 164 | |
| 165 | /* |
| 166 | * Extensible wide-character classification functions: 7.15.2.2. |
| 167 | */ |
| 168 | |
| 169 | /* Construct value that describes a class of wide characters identified |
| 170 | by the string argument PROPERTY. */ |
| 171 | extern wctype_t wctype (const char *__property) __THROW; |
| 172 | |
| 173 | /* Determine whether the wide-character WC has the property described by |
| 174 | DESC. */ |
| 175 | extern int iswctype (wint_t __wc, wctype_t __desc) __THROW; |
| 176 | __END_NAMESPACE_C99 |
| 177 | |
| 178 | |
| 179 | /* |
| 180 | * Wide-character case-mapping functions: 7.15.3.1. |
| 181 | */ |
| 182 | |
| 183 | __BEGIN_NAMESPACE_C99 |
| 184 | /* Scalar type that can hold values which represent locale-specific |
| 185 | character mappings. */ |
| 186 | typedef const __int32_t *wctrans_t; |
| 187 | __END_NAMESPACE_C99 |
| 188 | #ifdef __USE_GNU |
| 189 | __USING_NAMESPACE_C99(wctrans_t) |
| 190 | #endif |
| 191 | |
| 192 | __BEGIN_NAMESPACE_C99 |
| 193 | /* Converts an uppercase letter to the corresponding lowercase letter. */ |
| 194 | extern wint_t towlower (wint_t __wc) __THROW; |
| 195 | |
| 196 | /* Converts an lowercase letter to the corresponding uppercase letter. */ |
| 197 | extern wint_t towupper (wint_t __wc) __THROW; |
| 198 | __END_NAMESPACE_C99 |
| 199 | |
| 200 | __END_DECLS |
| 201 | |
| 202 | #endif /* need iswxxx. */ |
| 203 | |
| 204 | |
| 205 | /* The remaining definitions and declarations must not appear in the |
| 206 | <wchar.h> header. */ |
| 207 | #ifdef _WCTYPE_H |
| 208 | |
| 209 | /* |
| 210 | * Extensible wide-character mapping functions: 7.15.3.2. |
| 211 | */ |
| 212 | |
| 213 | __BEGIN_DECLS |
| 214 | |
| 215 | __BEGIN_NAMESPACE_C99 |
| 216 | /* Construct value that describes a mapping between wide characters |
| 217 | identified by the string argument PROPERTY. */ |
| 218 | extern wctrans_t wctrans (const char *__property) __THROW; |
| 219 | |
| 220 | /* Map the wide character WC using the mapping described by DESC. */ |
| 221 | extern wint_t towctrans (wint_t __wc, wctrans_t __desc) __THROW; |
| 222 | __END_NAMESPACE_C99 |
| 223 | |
| 224 | # ifdef __USE_XOPEN2K8 |
| 225 | /* Declare the interface to extended locale model. */ |
| 226 | # include <xlocale.h> |
| 227 | |
| 228 | /* Test for any wide character for which `iswalpha' or `iswdigit' is |
| 229 | true. */ |
| 230 | extern int iswalnum_l (wint_t __wc, __locale_t __locale) __THROW; |
| 231 | |
| 232 | /* Test for any wide character for which `iswupper' or 'iswlower' is |
| 233 | true, or any wide character that is one of a locale-specific set of |
| 234 | wide-characters for which none of `iswcntrl', `iswdigit', |
| 235 | `iswpunct', or `iswspace' is true. */ |
| 236 | extern int iswalpha_l (wint_t __wc, __locale_t __locale) __THROW; |
| 237 | |
| 238 | /* Test for any control wide character. */ |
| 239 | extern int iswcntrl_l (wint_t __wc, __locale_t __locale) __THROW; |
| 240 | |
| 241 | /* Test for any wide character that corresponds to a decimal-digit |
| 242 | character. */ |
| 243 | extern int iswdigit_l (wint_t __wc, __locale_t __locale) __THROW; |
| 244 | |
| 245 | /* Test for any wide character for which `iswprint' is true and |
| 246 | `iswspace' is false. */ |
| 247 | extern int iswgraph_l (wint_t __wc, __locale_t __locale) __THROW; |
| 248 | |
| 249 | /* Test for any wide character that corresponds to a lowercase letter |
| 250 | or is one of a locale-specific set of wide characters for which |
| 251 | none of `iswcntrl', `iswdigit', `iswpunct', or `iswspace' is true. */ |
| 252 | extern int iswlower_l (wint_t __wc, __locale_t __locale) __THROW; |
| 253 | |
| 254 | /* Test for any printing wide character. */ |
| 255 | extern int iswprint_l (wint_t __wc, __locale_t __locale) __THROW; |
| 256 | |
| 257 | /* Test for any printing wide character that is one of a |
| 258 | locale-specific et of wide characters for which neither `iswspace' |
| 259 | nor `iswalnum' is true. */ |
| 260 | extern int iswpunct_l (wint_t __wc, __locale_t __locale) __THROW; |
| 261 | |
| 262 | /* Test for any wide character that corresponds to a locale-specific |
| 263 | set of wide characters for which none of `iswalnum', `iswgraph', or |
| 264 | `iswpunct' is true. */ |
| 265 | extern int iswspace_l (wint_t __wc, __locale_t __locale) __THROW; |
| 266 | |
| 267 | /* Test for any wide character that corresponds to an uppercase letter |
| 268 | or is one of a locale-specific set of wide character for which none |
| 269 | of `iswcntrl', `iswdigit', `iswpunct', or `iswspace' is true. */ |
| 270 | extern int iswupper_l (wint_t __wc, __locale_t __locale) __THROW; |
| 271 | |
| 272 | /* Test for any wide character that corresponds to a hexadecimal-digit |
| 273 | character equivalent to that performed be the functions described |
| 274 | in the previous subclause. */ |
| 275 | extern int iswxdigit_l (wint_t __wc, __locale_t __locale) __THROW; |
| 276 | |
| 277 | /* Test for any wide character that corresponds to a standard blank |
| 278 | wide character or a locale-specific set of wide characters for |
| 279 | which `iswalnum' is false. */ |
| 280 | extern int iswblank_l (wint_t __wc, __locale_t __locale) __THROW; |
| 281 | |
| 282 | /* Construct value that describes a class of wide characters identified |
| 283 | by the string argument PROPERTY. */ |
| 284 | extern wctype_t wctype_l (const char *__property, __locale_t __locale) |
| 285 | __THROW; |
| 286 | |
| 287 | /* Determine whether the wide-character WC has the property described by |
| 288 | DESC. */ |
| 289 | extern int iswctype_l (wint_t __wc, wctype_t __desc, __locale_t __locale) |
| 290 | __THROW; |
| 291 | |
| 292 | |
| 293 | /* |
| 294 | * Wide-character case-mapping functions. |
| 295 | */ |
| 296 | |
| 297 | /* Converts an uppercase letter to the corresponding lowercase letter. */ |
| 298 | extern wint_t towlower_l (wint_t __wc, __locale_t __locale) __THROW; |
| 299 | |
| 300 | /* Converts an lowercase letter to the corresponding uppercase letter. */ |
| 301 | extern wint_t towupper_l (wint_t __wc, __locale_t __locale) __THROW; |
| 302 | |
| 303 | /* Construct value that describes a mapping between wide characters |
| 304 | identified by the string argument PROPERTY. */ |
| 305 | extern wctrans_t wctrans_l (const char *__property, __locale_t __locale) |
| 306 | __THROW; |
| 307 | |
| 308 | /* Map the wide character WC using the mapping described by DESC. */ |
| 309 | extern wint_t towctrans_l (wint_t __wc, wctrans_t __desc, |
| 310 | __locale_t __locale) __THROW; |
| 311 | |
| 312 | # endif /* Use POSIX 2008. */ |
| 313 | |
| 314 | __END_DECLS |
| 315 | |
| 316 | #endif /* __WCTYPE_H defined. */ |
| 317 | |
| 318 | #endif /* wctype.h */ |
| 319 |