ctype.h revision 29884
1/* 2 * Copyright (c) 1989, 1993 3 * The Regents of the University of California. All rights reserved. 4 * (c) UNIX System Laboratories, Inc. 5 * All or some portions of this file are derived from material licensed 6 * to the University of California by American Telephone and Telegraph 7 * Co. or Unix System Laboratories, Inc. and are reproduced herein with 8 * the permission of UNIX System Laboratories, Inc. 9 * 10 * This code is derived from software contributed to Berkeley by 11 * Paul Borman at Krystal Technologies. 12 * 13 * Redistribution and use in source and binary forms, with or without 14 * modification, are permitted provided that the following conditions 15 * are met: 16 * 1. Redistributions of source code must retain the above copyright 17 * notice, this list of conditions and the following disclaimer. 18 * 2. Redistributions in binary form must reproduce the above copyright 19 * notice, this list of conditions and the following disclaimer in the 20 * documentation and/or other materials provided with the distribution. 21 * 3. All advertising materials mentioning features or use of this software 22 * must display the following acknowledgement: 23 * This product includes software developed by the University of 24 * California, Berkeley and its contributors. 25 * 4. Neither the name of the University nor the names of its contributors 26 * may be used to endorse or promote products derived from this software 27 * without specific prior written permission. 28 * 29 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 30 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 31 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 32 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 33 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 34 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 35 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 36 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 37 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 38 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 39 * SUCH DAMAGE. 40 * 41 * @(#)ctype.h 8.4 (Berkeley) 1/21/94 42 */ 43 44#ifndef _CTYPE_H_ 45#define _CTYPE_H_ 46 47/* 48 * XXX <runetype.h> brings massive namespace pollution (rune_t and struct 49 * member names). 50 */ 51#include <runetype.h> 52 53#define _A 0x00000100L /* Alpha */ 54#define _C 0x00000200L /* Control */ 55#define _D 0x00000400L /* Digit */ 56#define _G 0x00000800L /* Graph */ 57#define _L 0x00001000L /* Lower */ 58#define _P 0x00002000L /* Punct */ 59#define _S 0x00004000L /* Space */ 60#define _U 0x00008000L /* Upper */ 61#define _X 0x00010000L /* X digit */ 62#define _B 0x00020000L /* Blank */ 63#define _R 0x00040000L /* Print */ 64#define _I 0x00080000L /* Ideogram */ 65#define _T 0x00100000L /* Special */ 66#define _Q 0x00200000L /* Phonogram */ 67 68__BEGIN_DECLS 69int isalnum __P((int)); 70int isalpha __P((int)); 71int iscntrl __P((int)); 72int isdigit __P((int)); 73int isgraph __P((int)); 74int islower __P((int)); 75int isprint __P((int)); 76int ispunct __P((int)); 77int isspace __P((int)); 78int isupper __P((int)); 79int isxdigit __P((int)); 80int tolower __P((int)); 81int toupper __P((int)); 82 83#if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE) 84int isascii __P((int)); 85int isblank __P((int)); 86int toascii __P((int)); 87int digittoint __P((int)); 88#endif 89__END_DECLS 90 91#define __istype(c,f) (!!__maskrune((c),(f))) 92 93#define isalnum(c) __istype((c), _A|_D) 94#define isalpha(c) __istype((c), _A) 95#define iscntrl(c) __istype((c), _C) 96#define isdigit(c) __isctype((c), _D) /* ANSI -- locale independent */ 97#define isgraph(c) __istype((c), _G) 98#define islower(c) __istype((c), _L) 99#define isprint(c) __istype((c), _R) 100#define ispunct(c) __istype((c), _P) 101#define isspace(c) __istype((c), _S) 102#define isupper(c) __istype((c), _U) 103#define isxdigit(c) __isctype((c), _X) /* ANSI -- locale independent */ 104#define tolower(c) __tolower(c) 105#define toupper(c) __toupper(c) 106 107#if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE) 108#define isascii(c) (((c) & ~0x7F) == 0) 109#define isblank(c) __istype((c), _B) 110#define toascii(c) ((c) & 0x7F) 111#define digittoint(c) __maskrune((c), 0xFF) 112 113/* XXX the following macros are not backed up by functions. */ 114#define ishexnumber(c) __istype((c), _X) 115#define isideogram(c) __istype((c), _I) 116#define isnumber(c) __istype((c), _D) 117#define isphonogram(c) __istype((c), _Q) 118#define isrune(c) __istype((c), 0xFFFFFF00L) 119#define isspecial(c) __istype((c), _T) 120#endif 121 122/* See comments in <machine/ansi.h> about _BSD_CT_RUNE_T_. */ 123__BEGIN_DECLS 124unsigned long ___runetype __P((_BSD_CT_RUNE_T_)); 125_BSD_CT_RUNE_T_ ___tolower __P((_BSD_CT_RUNE_T_)); 126_BSD_CT_RUNE_T_ ___toupper __P((_BSD_CT_RUNE_T_)); 127__END_DECLS 128 129/* 130 * _EXTERNALIZE_CTYPE_INLINES_ is defined in locale/nomacros.c to tell us 131 * to generate code for extern versions of all our inline functions. 132 */ 133#ifdef _EXTERNALIZE_CTYPE_INLINES_ 134#define _USE_CTYPE_INLINE_ 135#define static 136#define __inline 137#endif 138 139/* 140 * Use inline functions if we are allowed to and the compiler supports them. 141 */ 142#if !defined(_DONT_USE_CTYPE_INLINE_) && \ 143 (defined(_USE_CTYPE_INLINE_) || defined(__GNUC__) || defined(__cplusplus)) 144static __inline int 145__maskrune(_BSD_CT_RUNE_T_ _c, unsigned long _f) 146{ 147 return ((_c < 0 || _c >= _CACHED_RUNES) ? ___runetype(_c) : 148 _CurrentRuneLocale->runetype[_c]) & _f; 149} 150 151static __inline int 152__isctype(_BSD_CT_RUNE_T_ _c, unsigned long _f) 153{ 154 return (_c < 0 || _c >= _CACHED_RUNES) ? 0 : 155 !!(_DefaultRuneLocale.runetype[_c] & _f); 156} 157 158static __inline _BSD_CT_RUNE_T_ 159__toupper(_BSD_CT_RUNE_T_ _c) 160{ 161 return (_c < 0 || _c >= _CACHED_RUNES) ? ___toupper(_c) : 162 _CurrentRuneLocale->mapupper[_c]; 163} 164 165static __inline _BSD_CT_RUNE_T_ 166__tolower(_BSD_CT_RUNE_T_ _c) 167{ 168 return (_c < 0 || _c >= _CACHED_RUNES) ? ___tolower(_c) : 169 _CurrentRuneLocale->maplower[_c]; 170} 171 172#else /* not using inlines */ 173 174__BEGIN_DECLS 175int __maskrune __P((_BSD_CT_RUNE_T_, unsigned long)); 176int __isctype __P((_BSD_CT_RUNE_T_, unsigned long)); 177_BSD_CT_RUNE_T_ __toupper __P((_BSD_CT_RUNE_T_)); 178_BSD_CT_RUNE_T_ __tolower __P((_BSD_CT_RUNE_T_)); 179__END_DECLS 180#endif /* using inlines */ 181 182#endif /* !_CTYPE_H_ */ 183