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Diffstat (limited to 'wctype/bits/wctype-wchar.h')
-rw-r--r-- | wctype/bits/wctype-wchar.h | 173 |
1 files changed, 173 insertions, 0 deletions
diff --git a/wctype/bits/wctype-wchar.h b/wctype/bits/wctype-wchar.h new file mode 100644 index 0000000000..df5fd0396f --- /dev/null +++ b/wctype/bits/wctype-wchar.h @@ -0,0 +1,173 @@ +/* Copyright (C) 1996-2016 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 _BITS_WCTYPE_WCHAR_H +#define _BITS_WCTYPE_WCHAR_H 1 + +#if !defined _WCTYPE_H && !defined _WCHAR_H +#error "Never include <bits/wctype-wchar.h> directly; include <wctype.h> or <wchar.h> instead." +#endif + +#include <bits/types.h> +#include <bits/types/wint_t.h> + +/* The definitions in this header are specified to appear in <wctype.h> + in ISO C99, but in <wchar.h> in Unix98. _GNU_SOURCE follows C99. */ + +/* Scalar type that can hold values which represent locale-specific + character classifications. */ +typedef unsigned long int wctype_t; + +# 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 + +/* + * 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; + +/* + * Wide-character case-mapping functions: 7.15.3.1. + */ + +/* 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_DECLS + +#endif /* bits/wctype-wchar.h. */ |