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/*

 * Project: S.Ha.R.K.

 *

 * Coordinators:

 *   Giorgio Buttazzo    <giorgio@sssup.it>

 *   Paolo Gai           <pj@gandalf.sssup.it>

 *

 * Authors     :

 *   Paolo Gai           <pj@gandalf.sssup.it>

 *   Massimiliano Giorgi <massy@gandalf.sssup.it>

 *   Luca Abeni          <luca@gandalf.sssup.it>

 *   (see the web pages for full authors list)

 *

 * ReTiS Lab (Scuola Superiore S.Anna - Pisa - Italy)

 *

 * http://www.sssup.it

 * http://retis.sssup.it

 * http://shark.sssup.it

 */

/*

 * Copyright (C) 1999 Massimiliano Giorgi

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License as published by

 * the Free Software Foundation; either version 2 of the License, or

 * (at your option) any later version.

 *

 * This program 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 General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

 *

 */

/*

 * CVS :        $Id: ctype.h,v 1.1.1.1 2002-03-29 14:12:50 pj Exp $

 *

 * File:        $File$

 * Revision:    $Revision: 1.1.1.1 $

 * Last update: $Date: 2002-03-29 14:12:50 $

 */

/* MODIFIED from GLibc 2.x.x */

/* Copyright (C) 1991,92,93,95,96,97,98,99 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 Library General Public License as

   published by the Free Software Foundation; either version 2 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

   Library General Public License for more details.

   You should have received a copy of the GNU Library General Public

   License along with the GNU C Library; see the file COPYING.LIB.  If not,

   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,

   Boston, MA 02111-1307, USA.  */

/*

 *      ISO C Standard 4.3: CHARACTER HANDLING  <ctype.h>

 */

#ifndef _CTYPE_H

#define _CTYPE_H        1

#include <features.h>

#include <bits/types.h>

#include <arch/ctype.h>

__BEGIN_DECLS

#ifndef _ISbit

/* These are all the characteristics of characters.

   If there get to be more than 16 distinct characteristics,

   many things must be changed that use `unsigned short int's.

   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 _ISbit(bit)   (1 << (bit))

# else /* __BYTE_ORDER == __LITTLE_ENDIAN */

#  define _ISbit(bit)   ((bit) < 8 ? ((1 << (bit)) << 8) : ((1 << (bit)) >> 8))

# endif

enum

{

  _ISupper  = _ISbit (0),       /* UPPERCASE.  */

  _ISlower  = _ISbit (1),       /* lowercase.  */

  _ISalpha  = _ISbit (2),       /* Alphabetic.  */

  _ISdigit  = _ISbit (3),       /* Numeric.  */

  _ISxdigit = _ISbit (4),       /* Hexadecimal numeric.  */

  _ISspace  = _ISbit (5),       /* Whitespace.  */

  _ISprint  = _ISbit (6),       /* Printing.  */

  _ISgraph  = _ISbit (7),       /* Graphical.  */

  _ISblank  = _ISbit (8),       /* Blank (usually SPC and TAB).  */

  _IScntrl  = _ISbit (9),       /* Control character.  */

  _ISpunct  = _ISbit (10),      /* Punctuation.  */

  _ISalnum  = _ISbit (11)       /* Alphanumeric.  */

};

#endif /* ! _ISbit  */

/* These are defined in ctype-info.c.

   The declarations here must match those in localeinfo.h.

   These point into arrays of 384, so they can be indexed by any `unsigned

   char' value [0,255]; by EOF (-1); or by any `signed char' value

   [-128,-1).  ISO C requires that the ctype functions work for `unsigned

   char' values and for EOF; we also support negative `signed char' values

   for broken old programs.  The case conversion arrays are of `int's

   rather than `unsigned char's because tolower (EOF) must be EOF, which

   doesn't fit into an `unsigned char'.  But today more important is that

   the arrays are also used for multi-byte character sets.  */

extern __const unsigned short int *__ctype_b;   /* Characteristics.  */

#define __isctype(c, type) \

  (__ctype_b[(int) (c)] & (unsigned short int) type)

#define __isascii(c)     (((c) & ~0x7f) == 0)   /* If C is a 7 bit value.  */

#define __toascii(c)     ((c) & 0x7f)           /* Mask off high bits.  */

#define isalnum(c)       __isctype((c), _ISalnum)

#define isalpha(c)       __isctype((c), _ISalpha)

#define iscntrl(c)       __isctype((c), _IScntrl)

#define isdigit(c)       __isctype((c), _ISdigit)

#define islower(c)       __isctype((c), _ISlower)

#define isgraph(c)       __isctype((c), _ISgraph)

#define isprint(c)       __isctype((c), _ISprint)

#define ispunct(c)       __isctype((c), _ISpunct)

#define isxdigit(c)      __isctype((c), _ISxdigit)

#define isblank(c)       __isctype((c), _ISblank)

#define isascii(c)       __isascii (c)

#define toascii(c)       __toascii (c)

__END_DECLS

#endif /* ctype.h  */