wctype.h
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- /* Copyright (C) 1996,97,98,99,2000,01,02 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, write to the Free
- Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
- 02111-1307 USA. */
- /*
- * 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
- /* We try to get wint_t from <stddef.h>, but not all GCC versions define it
- there. So define it ourselves if it remains undefined. */
- # define __need_wint_t
- # include <stddef.h>
- # ifndef _WINT_T
- /* Integral type unchanged by default argument promotions that can
- hold any value corresponding to members of the extended character
- set, as well as at least one value that does not correspond to any
- member of the extended character set. */
- # define _WINT_T
- typedef unsigned int wint_t;
- # else
- # ifdef __USE_ISOC99
- __USING_NAMESPACE_C99(wint_t)
- # endif
- __END_NAMESPACE_C99
- # endif
- /* 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
- <wcsmbs.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_GNU
- /* 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 GNU. */
- __END_DECLS
- #endif /* __WCTYPE_H defined. */
- #endif /* wctype.h */