WebSVN - shark - Blame - Rev 2 - /shark/branches/pj/include/ctype.h

Rev	Author	Line No.	Line
2	pj	1	/*
		2	* Project: S.Ha.R.K.
		3	*
		4	* Coordinators:
		5	* Giorgio Buttazzo <giorgio@sssup.it>
		6	* Paolo Gai <pj@gandalf.sssup.it>
		7	*
		8	* Authors :
		9	* Paolo Gai <pj@gandalf.sssup.it>
		10	* Massimiliano Giorgi <massy@gandalf.sssup.it>
		11	* Luca Abeni <luca@gandalf.sssup.it>
		12	* (see the web pages for full authors list)
		13	*
		14	* ReTiS Lab (Scuola Superiore S.Anna - Pisa - Italy)
		15	*
		16	* http://www.sssup.it
		17	* http://retis.sssup.it
		18	* http://shark.sssup.it
		19	*/
		20
		21	/*
		22	* Copyright (C) 1999 Massimiliano Giorgi
		23	*
		24	* This program is free software; you can redistribute it and/or modify
		25	* it under the terms of the GNU General Public License as published by
		26	* the Free Software Foundation; either version 2 of the License, or
		27	* (at your option) any later version.
		28	*
		29	* This program is distributed in the hope that it will be useful,
		30	* but WITHOUT ANY WARRANTY; without even the implied warranty of
		31	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		32	* GNU General Public License for more details.
		33	*
		34	* You should have received a copy of the GNU General Public License
		35	* along with this program; if not, write to the Free Software
		36	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
		37	*
		38	*/
		39
		40	/*
		41	* CVS : $Id: ctype.h,v 1.1.1.1 2002-03-29 14:12:50 pj Exp $
		42	*
		43	* File: $File$
		44	* Revision: $Revision: 1.1.1.1 $
		45	* Last update: $Date: 2002-03-29 14:12:50 $
		46	*/
		47
		48	/* MODIFIED from GLibc 2.x.x */
		49
		50	/* Copyright (C) 1991,92,93,95,96,97,98,99 Free Software Foundation, Inc.
		51	This file is part of the GNU C Library.
		52
		53	The GNU C Library is free software; you can redistribute it and/or
		54	modify it under the terms of the GNU Library General Public License as
		55	published by the Free Software Foundation; either version 2 of the
		56	License, or (at your option) any later version.
		57
		58	The GNU C Library is distributed in the hope that it will be useful,
		59	but WITHOUT ANY WARRANTY; without even the implied warranty of
		60	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
		61	Library General Public License for more details.
		62
		63	You should have received a copy of the GNU Library General Public
		64	License along with the GNU C Library; see the file COPYING.LIB. If not,
		65	write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
		66	Boston, MA 02111-1307, USA. */
		67
		68	/*
		69	* ISO C Standard 4.3: CHARACTER HANDLING <ctype.h>
		70	*/
		71
		72	#ifndef _CTYPE_H
		73	#define _CTYPE_H 1
		74
		75	#include <features.h>
		76	#include <bits/types.h>
		77
		78	#include <ll/ctype.h>
		79
		80	__BEGIN_DECLS
		81
		82	#ifndef _ISbit
		83	/* These are all the characteristics of characters.
		84	If there get to be more than 16 distinct characteristics,
		85	many things must be changed that use `unsigned short int's.
		86
		87	The characteristics are stored always in network byte order (big
		88	endian). We define the bit value interpretations here dependent on the
		89	machine's byte order. */
		90
		91	# include <endian.h>
		92	# if __BYTE_ORDER == __BIG_ENDIAN
		93	# define _ISbit(bit) (1 << (bit))
		94	# else /* __BYTE_ORDER == __LITTLE_ENDIAN */
		95	# define _ISbit(bit) ((bit) < 8 ? ((1 << (bit)) << 8) : ((1 << (bit)) >> 8))
		96	# endif
		97
		98	enum
		99	{
		100	_ISupper = _ISbit (0), /* UPPERCASE. */
		101	_ISlower = _ISbit (1), /* lowercase. */
		102	_ISalpha = _ISbit (2), /* Alphabetic. */
		103	_ISdigit = _ISbit (3), /* Numeric. */
		104	_ISxdigit = _ISbit (4), /* Hexadecimal numeric. */
		105	_ISspace = _ISbit (5), /* Whitespace. */
		106	_ISprint = _ISbit (6), /* Printing. */
		107	_ISgraph = _ISbit (7), /* Graphical. */
		108	_ISblank = _ISbit (8), /* Blank (usually SPC and TAB). */
		109	_IScntrl = _ISbit (9), /* Control character. */
		110	_ISpunct = _ISbit (10), /* Punctuation. */
		111	_ISalnum = _ISbit (11) /* Alphanumeric. */
		112	};
		113	#endif /* ! _ISbit */
		114
		115	/* These are defined in ctype-info.c.
		116	The declarations here must match those in localeinfo.h.
		117
		118	These point into arrays of 384, so they can be indexed by any `unsigned
		119	char' value [0,255]; by EOF (-1); or by any `signed char' value
		120	[-128,-1). ISO C requires that the ctype functions work for `unsigned
		121	char' values and for EOF; we also support negative `signed char' values
		122	for broken old programs. The case conversion arrays are of `int's
		123	rather than `unsigned char's because tolower (EOF) must be EOF, which
		124	doesn't fit into an `unsigned char'. But today more important is that
		125	the arrays are also used for multi-byte character sets. */
		126	extern __const unsigned short int __ctype_b; / Characteristics. */
		127
		128	#define __isctype(c, type) \
		129	(__ctype_b[(int) (c)] & (unsigned short int) type)
		130
		131	#define __isascii(c) (((c) & ~0x7f) == 0) /* If C is a 7 bit value. */
		132	#define __toascii(c) ((c) & 0x7f) /* Mask off high bits. */
		133
		134	#define isalnum(c) __isctype((c), _ISalnum)
		135	#define isalpha(c) __isctype((c), _ISalpha)
		136	#define iscntrl(c) __isctype((c), _IScntrl)
		137	#define isdigit(c) __isctype((c), _ISdigit)
		138	#define islower(c) __isctype((c), _ISlower)
		139	#define isgraph(c) __isctype((c), _ISgraph)
		140	#define isprint(c) __isctype((c), _ISprint)
		141	#define ispunct(c) __isctype((c), _ISpunct)
		142	#define isxdigit(c) __isctype((c), _ISxdigit)
		143	#define isblank(c) __isctype((c), _ISblank)
		144
		145	#define isascii(c) __isascii (c)
		146	#define toascii(c) __toascii (c)
		147
		148	__END_DECLS
		149
		150	#endif /* ctype.h */

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