freebsd-dev/include/wctype.h
tjr af9c1ba961 Add a function to iterate over all characters in a particular character
class. This is necessary in order to implement tr(1) efficiently in
multibyte locales, since the brute force method of finding all characters
in a class is infeasible with a 32-bit (or wider) wchar_t.
2004-07-08 06:43:37 +00:00

119 lines
3.6 KiB
C

/*-
* Copyright (c)1999 Citrus Project,
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* citrus Id: wctype.h,v 1.4 2000/12/21 01:50:21 itojun Exp
* $NetBSD: wctype.h,v 1.3 2000/12/22 14:16:16 itojun Exp $
* $FreeBSD$
*/
#ifndef _WCTYPE_H_
#define _WCTYPE_H_
#include <sys/cdefs.h>
#include <sys/_types.h>
#include <ctype.h>
#ifndef _WCTRANS_T
typedef int wctrans_t;
#define _WCTRANS_T
#endif
#ifndef _WCTYPE_T
typedef unsigned long wctype_t;
#define _WCTYPE_T
#endif
#ifndef _WINT_T_DECLARED
typedef __wint_t wint_t;
#define _WINT_T_DECLARED
#endif
#ifndef WEOF
#define WEOF ((wint_t)-1)
#endif
__BEGIN_DECLS
int iswalnum(wint_t);
int iswalpha(wint_t);
int iswblank(wint_t);
int iswcntrl(wint_t);
int iswctype(wint_t, wctype_t);
int iswdigit(wint_t);
int iswgraph(wint_t);
int iswlower(wint_t);
int iswprint(wint_t);
int iswpunct(wint_t);
int iswspace(wint_t);
int iswupper(wint_t);
int iswxdigit(wint_t);
wint_t towctrans(wint_t, wctrans_t);
wint_t towlower(wint_t);
wint_t towupper(wint_t);
wctrans_t
wctrans(const char *);
wctype_t
wctype(const char *);
#if __BSD_VISIBLE
wint_t iswascii(wint_t);
wint_t iswhexnumber(wint_t);
wint_t iswideogram(wint_t);
wint_t iswnumber(wint_t);
wint_t iswphonogram(wint_t);
wint_t iswrune(wint_t);
wint_t iswspecial(wint_t);
wint_t nextwctype(wint_t, wctype_t);
#endif
__END_DECLS
#define iswalnum(wc) __istype((wc), _CTYPE_A|_CTYPE_D)
#define iswalpha(wc) __istype((wc), _CTYPE_A)
#define iswblank(wc) __istype((wc), _CTYPE_B)
#define iswcntrl(wc) __istype((wc), _CTYPE_C)
#define iswctype(wc, charclass) __istype((wc), (charclass))
#define iswdigit(wc) __isctype((wc), _CTYPE_D)
#define iswgraph(wc) __istype((wc), _CTYPE_G)
#define iswlower(wc) __istype((wc), _CTYPE_L)
#define iswprint(wc) __istype((wc), _CTYPE_R)
#define iswpunct(wc) __istype((wc), _CTYPE_P)
#define iswspace(wc) __istype((wc), _CTYPE_S)
#define iswupper(wc) __istype((wc), _CTYPE_U)
#define iswxdigit(wc) __isctype((wc), _CTYPE_X)
#define towlower(wc) __tolower(wc)
#define towupper(wc) __toupper(wc)
#if __BSD_VISIBLE
#define iswascii(wc) (((wc) & ~0x7F) == 0)
#define iswhexnumber(wc) __istype((wc), _CTYPE_X)
#define iswideogram(wc) __istype((wc), _CTYPE_I)
#define iswnumber(wc) __istype((wc), _CTYPE_D)
#define iswphonogram(wc) __istype((wc), _CTYPE_Q)
#define iswrune(wc) __istype((wc), 0xFFFFFF00L)
#define iswspecial(wc) __istype((wc), _CTYPE_T)
#endif
#endif /* _WCTYPE_H_ */