reference, declarationdefinition
definition → references, declarations, derived classes, virtual overrides
reference to multiple definitions → definitions
unreferenced
    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
  174
  175
  176
  177
  178
  179
  180
  181
  182
  183
  184
  185
  186
  187
  188
  189
  190
  191
  192
  193
  194
  195
  196
  197
  198
  199
  200
  201
  202
  203
  204
  205
  206
  207
  208
  209
  210
  211
  212
  213
  214
  215
  216
  217
  218
  219
  220
  221
  222
  223
  224
  225
  226
  227
  228
  229
  230
  231
  232
  233
  234
  235
  236
  237
  238
  239
  240
  241
  242
  243
  244
  245
  246
  247
  248
  249
  250
  251
  252
  253
  254
  255
  256
  257
  258
  259
  260
  261
  262
  263
  264
  265
  266
  267
  268
  269
  270
  271
  272
  273
  274
  275
  276
  277
  278
  279
  280
  281
  282
  283
  284
  285
  286
  287
  288
  289
  290
  291
  292
  293
  294
  295
  296
  297
  298
  299
  300
  301
  302
  303
  304
  305
  306
  307
  308
  309
  310
  311
  312
  313
  314
  315
  316
  317
  318
/* Copyright (C) 1996-2014 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
   <http://www.gnu.org/licenses/>.  */

/*
 *	ISO C99 Standard: 7.25
 *	Wide character classification and mapping utilities  <wctype.h>
 */

#ifndef _WCTYPE_H

#include <features.h>
#include <bits/types.h>

#ifndef __need_iswxxx
# define _WCTYPE_H	1

/* Get wint_t from <wchar.h>.  */
# define __need_wint_t
# include <wchar.h>

/* Constant expression of type `wint_t' whose value does not correspond
   to any member of the extended character set.  */
# ifndef WEOF
#  define WEOF (0xffffffffu)
# endif
#endif
#undef __need_iswxxx


/* The following part is also used in the <wcsmbs.h> header when compiled
   in the Unix98 compatibility mode.  */
#ifndef __iswxxx_defined
# define __iswxxx_defined	1

__BEGIN_NAMESPACE_C99
/* Scalar type that can hold values which represent locale-specific
   character classifications.  */
typedef unsigned long int wctype_t;
__END_NAMESPACE_C99

# 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 <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

__BEGIN_NAMESPACE_C99
/*
 * 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;
__END_NAMESPACE_C99


/*
 * Wide-character case-mapping functions: 7.15.3.1.
 */

__BEGIN_NAMESPACE_C99
/* Scalar type that can hold values which represent locale-specific
   character mappings.  */
typedef const __int32_t *wctrans_t;
__END_NAMESPACE_C99
#ifdef __USE_GNU
__USING_NAMESPACE_C99(wctrans_t)
#endif

__BEGIN_NAMESPACE_C99
/* 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_NAMESPACE_C99

__END_DECLS

#endif	/* need iswxxx.  */


/* The remaining definitions and declarations must not appear in the
   <wchar.h> header.  */
#ifdef _WCTYPE_H

/*
 * Extensible wide-character mapping functions: 7.15.3.2.
 */

__BEGIN_DECLS

__BEGIN_NAMESPACE_C99
/* Construct value that describes a mapping between wide characters
   identified by the string argument PROPERTY.  */
extern wctrans_t wctrans (const char *__property) __THROW;

/* Map the wide character WC using the mapping described by DESC.  */
extern wint_t towctrans (wint_t __wc, wctrans_t __desc) __THROW;
__END_NAMESPACE_C99

# ifdef __USE_XOPEN2K8
/* Declare the interface to extended locale model.  */
#  include <xlocale.h>

/* Test for any wide character for which `iswalpha' or `iswdigit' is
   true.  */
extern int iswalnum_l (wint_t __wc, __locale_t __locale) __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_l (wint_t __wc, __locale_t __locale) __THROW;

/* Test for any control wide character.  */
extern int iswcntrl_l (wint_t __wc, __locale_t __locale) __THROW;

/* Test for any wide character that corresponds to a decimal-digit
   character.  */
extern int iswdigit_l (wint_t __wc, __locale_t __locale) __THROW;

/* Test for any wide character for which `iswprint' is true and
   `iswspace' is false.  */
extern int iswgraph_l (wint_t __wc, __locale_t __locale) __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_l (wint_t __wc, __locale_t __locale) __THROW;

/* Test for any printing wide character.  */
extern int iswprint_l (wint_t __wc, __locale_t __locale) __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_l (wint_t __wc, __locale_t __locale) __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_l (wint_t __wc, __locale_t __locale) __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_l (wint_t __wc, __locale_t __locale) __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_l (wint_t __wc, __locale_t __locale) __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.  */
extern int iswblank_l (wint_t __wc, __locale_t __locale) __THROW;

/* Construct value that describes a class of wide characters identified
   by the string argument PROPERTY.  */
extern wctype_t wctype_l (const char *__property, __locale_t __locale)
     __THROW;

/* Determine whether the wide-character WC has the property described by
   DESC.  */
extern int iswctype_l (wint_t __wc, wctype_t __desc, __locale_t __locale)
     __THROW;


/*
 * Wide-character case-mapping functions.
 */

/* Converts an uppercase letter to the corresponding lowercase letter.  */
extern wint_t towlower_l (wint_t __wc, __locale_t __locale) __THROW;

/* Converts an lowercase letter to the corresponding uppercase letter.  */
extern wint_t towupper_l (wint_t __wc, __locale_t __locale) __THROW;

/* Construct value that describes a mapping between wide characters
   identified by the string argument PROPERTY.  */
extern wctrans_t wctrans_l (const char *__property, __locale_t __locale)
     __THROW;

/* Map the wide character WC using the mapping described by DESC.  */
extern wint_t towctrans_l (wint_t __wc, wctrans_t __desc,
			   __locale_t __locale) __THROW;

# endif /* Use POSIX 2008.  */

__END_DECLS

#endif	/* __WCTYPE_H defined.  */

#endif /* wctype.h  */