235 lines
7.6 KiB
C
235 lines
7.6 KiB
C
/*
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* Copyright (c) 1989, 1993
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* The Regents of the University of California. All rights reserved.
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* (c) UNIX System Laboratories, Inc.
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* All or some portions of this file are derived from material licensed
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* to the University of California by American Telephone and Telegraph
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* Co. or Unix System Laboratories, Inc. and are reproduced herein with
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* the permission of UNIX System Laboratories, Inc.
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*
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* This code is derived from software contributed to Berkeley by
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* Paul Borman at Krystal Technologies.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)ctype.h 8.4 (Berkeley) 1/21/94
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* $FreeBSD$
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*/
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#ifndef _CTYPE_H_
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#define _CTYPE_H_
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#include <sys/cdefs.h>
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#include <sys/_types.h>
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#define _CTYPE_A 0x00000100L /* Alpha */
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#define _CTYPE_C 0x00000200L /* Control */
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#define _CTYPE_D 0x00000400L /* Digit */
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#define _CTYPE_G 0x00000800L /* Graph */
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#define _CTYPE_L 0x00001000L /* Lower */
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#define _CTYPE_P 0x00002000L /* Punct */
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#define _CTYPE_S 0x00004000L /* Space */
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#define _CTYPE_U 0x00008000L /* Upper */
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#define _CTYPE_X 0x00010000L /* X digit */
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#define _CTYPE_B 0x00020000L /* Blank */
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#define _CTYPE_R 0x00040000L /* Print */
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#define _CTYPE_I 0x00080000L /* Ideogram */
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#define _CTYPE_T 0x00100000L /* Special */
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#define _CTYPE_Q 0x00200000L /* Phonogram */
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#define _CTYPE_SW0 0x20000000L /* 0 width character */
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#define _CTYPE_SW1 0x40000000L /* 1 width character */
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#define _CTYPE_SW2 0x80000000L /* 2 width character */
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#define _CTYPE_SW3 0xc0000000L /* 3 width character */
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__BEGIN_DECLS
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int isalnum(int);
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int isalpha(int);
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int iscntrl(int);
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int isdigit(int);
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int isgraph(int);
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int islower(int);
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int isprint(int);
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int ispunct(int);
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int isspace(int);
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int isupper(int);
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int isxdigit(int);
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int tolower(int);
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int toupper(int);
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#if __XSI_VISIBLE
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int _tolower(int);
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int _toupper(int);
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int isascii(int);
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int toascii(int);
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#endif
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#if __ISO_C_VISIBLE >= 1999
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int isblank(int);
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#endif
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#if __BSD_VISIBLE
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int digittoint(int);
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int ishexnumber(int);
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int isideogram(int);
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int isnumber(int);
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int isphonogram(int);
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int isrune(int);
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int isspecial(int);
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#endif
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__END_DECLS
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#define isalnum(c) __istype((c), _CTYPE_A|_CTYPE_D)
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#define isalpha(c) __istype((c), _CTYPE_A)
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#define iscntrl(c) __istype((c), _CTYPE_C)
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#define isdigit(c) __isctype((c), _CTYPE_D) /* ANSI -- locale independent */
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#define isgraph(c) __istype((c), _CTYPE_G)
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#define islower(c) __istype((c), _CTYPE_L)
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#define isprint(c) __istype((c), _CTYPE_R)
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#define ispunct(c) __istype((c), _CTYPE_P)
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#define isspace(c) __istype((c), _CTYPE_S)
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#define isupper(c) __istype((c), _CTYPE_U)
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#define isxdigit(c) __isctype((c), _CTYPE_X) /* ANSI -- locale independent */
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#define tolower(c) __tolower(c)
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#define toupper(c) __toupper(c)
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#if __XSI_VISIBLE
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/*
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* POSIX.1-2001 specifies _tolower() and _toupper() to be macros equivalent to
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* tolower() and toupper() respectively, minus extra checking to ensure that
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* the argument is a lower or uppercase letter respectively. We've chosen to
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* implement these macros with the same error checking as tolower() and
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* toupper() since this doesn't violate the specification itself, only its
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* intent. We purposely leave _tolower() and _toupper() undocumented to
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* discourage their use.
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*
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* XXX isascii() and toascii() should similarly be undocumented.
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*/
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#define _tolower(c) __tolower(c)
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#define _toupper(c) __toupper(c)
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#define isascii(c) (((c) & ~0x7F) == 0)
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#define toascii(c) ((c) & 0x7F)
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#endif
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#if __ISO_C_VISIBLE >= 1999
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#define isblank(c) __istype((c), _CTYPE_B)
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#endif
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#if __BSD_VISIBLE
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#define digittoint(c) __maskrune((c), 0xFF)
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#define ishexnumber(c) __istype((c), _CTYPE_X)
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#define isideogram(c) __istype((c), _CTYPE_I)
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#define isnumber(c) __istype((c), _CTYPE_D)
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#define isphonogram(c) __istype((c), _CTYPE_Q)
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#define isrune(c) __istype((c), 0xFFFFFF00L)
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#define isspecial(c) __istype((c), _CTYPE_T)
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#endif
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/* See comments in <sys/_types.h> about __ct_rune_t. */
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__BEGIN_DECLS
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unsigned long ___runetype(__ct_rune_t);
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__ct_rune_t ___tolower(__ct_rune_t);
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__ct_rune_t ___toupper(__ct_rune_t);
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__END_DECLS
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/*
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* _EXTERNALIZE_CTYPE_INLINES_ is defined in locale/nomacros.c to tell us
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* to generate code for extern versions of all our inline functions.
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*/
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#ifdef _EXTERNALIZE_CTYPE_INLINES_
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#define _USE_CTYPE_INLINE_
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#define static
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#define __inline
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#endif
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/*
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* <runetype.h> brings namespace pollution (struct member names). This prevents
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* us from using the inline optimizations in the more strict __POSIX_VISIBLE and
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* __XSI_VISIBLE namespaces. To fix this properly would require that we rename
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* member names of long-standing structs, or something equally evil.
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*/
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#if !__BSD_VISIBLE && !defined(_USE_CTYPE_INLINE_) && \
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!defined(_DONT_USE_CTYPE_INLINE_)
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#define _DONT_USE_CTYPE_INLINE_
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#endif
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/*
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* Use inline functions if we are allowed to and the compiler supports them.
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*/
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#if !defined(_DONT_USE_CTYPE_INLINE_) && \
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(defined(_USE_CTYPE_INLINE_) || defined(__GNUC__) || defined(__cplusplus))
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#include <runetype.h>
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static __inline int
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__maskrune(__ct_rune_t _c, unsigned long _f)
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{
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return ((_c < 0 || _c >= _CACHED_RUNES) ? ___runetype(_c) :
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_CurrentRuneLocale->runetype[_c]) & _f;
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}
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static __inline int
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__istype(__ct_rune_t _c, unsigned long _f)
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{
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return (!!__maskrune(_c, _f));
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}
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static __inline int
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__isctype(__ct_rune_t _c, unsigned long _f)
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{
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return (_c < 0 || _c >= _CACHED_RUNES) ? 0 :
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!!(_DefaultRuneLocale.runetype[_c] & _f);
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}
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static __inline __ct_rune_t
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__toupper(__ct_rune_t _c)
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{
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return (_c < 0 || _c >= _CACHED_RUNES) ? ___toupper(_c) :
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_CurrentRuneLocale->mapupper[_c];
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}
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static __inline __ct_rune_t
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__tolower(__ct_rune_t _c)
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{
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return (_c < 0 || _c >= _CACHED_RUNES) ? ___tolower(_c) :
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_CurrentRuneLocale->maplower[_c];
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}
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#else /* not using inlines */
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__BEGIN_DECLS
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int __maskrune(__ct_rune_t, unsigned long);
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int __istype(__ct_rune_t, unsigned long);
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int __isctype(__ct_rune_t, unsigned long);
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__ct_rune_t __toupper(__ct_rune_t);
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__ct_rune_t __tolower(__ct_rune_t);
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__END_DECLS
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#endif /* using inlines */
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#endif /* !_CTYPE_H_ */
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