include/ctype.h

/*
 * Copyright (c) UNIX System Laboratories, Inc.  All or some portions
 * of this file are derived from material licensed to the
 * University of California by American Telephone and Telegraph Co.
 * or UNIX System Laboratories, Inc. and are reproduced herein with
 * the permission of UNIX System Laboratories, Inc.
 *
 *      $Id$
 */
/*
 * Copyright (c) 1989, 1993
 *      The Regents of the University of California.  All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * Paul Borman at Krystal Technologies.
 *
 * 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.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *      This product includes software developed by the University of
 *      California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
 *
 *      @(#)ctype.h     8.1 (Berkeley) 6/6/93
 */

#ifndef _CTYPE_H_
#define _CTYPE_H_

#ifndef _ANSI_SOURCE
#include <runetype.h>
#endif

#define _A      0x00000100L             /* Alpha */
#define _C      0x00000200L             /* Control */
#define _D      0x00000400L             /* Digit */
#define _G      0x00000800L             /* Graph */
#define _L      0x00001000L             /* Lower */
#define _P      0x00002000L             /* Punct */
#define _S      0x00004000L             /* Space */
#define _U      0x00008000L             /* Upper */
#define _X      0x00010000L             /* X digit */
#define _B      0x00020000L             /* Blank */
#define _R      0x00040000L             /* Print */
#define _I      0x00080000L             /* Ideogram */
#define _T      0x00100000L             /* Special */
#define _Q      0x00200000L             /* Phonogram */

#define isalnum(c)      __istype((c), (_A|_D))
#define isalpha(c)      __istype((c),     _A)
#define iscntrl(c)      __istype((c),     _C)
#define isdigit(c)      __isctype((c),    _D)   /* ANSI -- locale independent */
#define isgraph(c)      __istype((c),     _G)
#define islower(c)      __istype((c),     _L)
#define isprint(c)      __istype((c),     _R)
#define ispunct(c)      __istype((c),     _P)
#define isspace(c)      __istype((c),     _S)
#define isupper(c)      __istype((c),     _U)
#define isxdigit(c)     __isctype((c),    _X)   /* ANSI -- locale independent */

#if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE)
#define isascii(c)      ((c & ~0x7F) == 0)
#define toascii(c)      ((c) & 0x7F)
#define digittoint(c)   __istype((c), 0xFF)
#define isideogram(c)   __istype((c), _I)
#define isphonogram(c)  __istype((c), _Q)
#define isspecial(c)    __istype((c), _T)
#define isblank(c)      __istype((c), _B)
#define isrune(c)       __istype((c),  0xFFFFFF00L)
#define isnumber(c)     __istype((c), _D)
#define ishexnumber(c)  __istype((c), _X)
#endif

/* See comments in <machine/ansi.h> about _BSD_RUNE_T_. */
__BEGIN_DECLS
unsigned long   ___runetype __P((_BSD_RUNE_T_));
_BSD_RUNE_T_    ___tolower __P((_BSD_RUNE_T_));
_BSD_RUNE_T_    ___toupper __P((_BSD_RUNE_T_));
__END_DECLS

/*
 * If your compiler supports prototypes and inline functions,
 * #define _USE_CTYPE_INLINE_.  Otherwise, use the C library
 * functions.
 */
#if !defined(_USE_CTYPE_CLIBRARY_) && defined(__GNUC__) || defined(__cplusplus)
#define _USE_CTYPE_INLINE_      1
#endif

#if defined(_USE_CTYPE_INLINE_)
static __inline__ int
__istype(_BSD_RUNE_T_ __c, unsigned long __f)
{
        return((((__c & _CRMASK) ? ___runetype(__c) :
            _CurrentRuneLocale->runetype[__c]) & __f) ? 1 : 0);
}

static __inline__ int
__isctype(_BSD_RUNE_T_ __c, unsigned long __f)
{
        return((((__c & _CRMASK) ? 0 :
            _DefaultRuneLocale.runetype[__c]) & __f) ? 1 : 0);
}

/* _ANSI_LIBRARY is defined by lib/libc/gen/isctype.c. */
#if !defined(_ANSI_LIBRARY)
static __inline__ _BSD_RUNE_T_
toupper(_BSD_RUNE_T_ __c)
{
        return((__c & _CRMASK) ?
            ___toupper(__c) : _CurrentRuneLocale->mapupper[__c]);
}

static __inline__ _BSD_RUNE_T_
tolower(_BSD_RUNE_T_ __c)
{
        return((__c & _CRMASK) ?
            ___tolower(__c) : _CurrentRuneLocale->maplower[__c]);
}
#endif /* !_ANSI_LIBRARY */

#else /* !_USE_CTYPE_INLINE_ */

__BEGIN_DECLS
int             __istype __P((_BSD_RUNE_T_, unsigned long));
int             __isctype __P((_BSD_RUNE_T_, unsigned long));
_BSD_RUNE_T_    toupper __P((_BSD_RUNE_T_));
_BSD_RUNE_T_    tolower __P((_BSD_RUNE_T_));
__END_DECLS
#endif /* _USE_CTYPE_INLINE_ */

#endif /* !_CTYPE_H_ */