_ctype.h revision 173084
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 * From @(#)ctype.h 8.4 (Berkeley) 1/21/94 42 * From FreeBSD: src/include/ctype.h,v 1.27 2004/06/23 07:11:39 tjr Exp 43 * $FreeBSD: head/include/_ctype.h 173084 2007-10-27 22:32:27Z ache $ 44 */ 45 46#ifndef __CTYPE_H_ 47#define __CTYPE_H_ 48 49#include <sys/cdefs.h> 50#include <sys/_types.h> 51 52#define _CTYPE_A 0x00000100L /* Alpha */ 53#define _CTYPE_C 0x00000200L /* Control */ 54#define _CTYPE_D 0x00000400L /* Digit */ 55#define _CTYPE_G 0x00000800L /* Graph */ 56#define _CTYPE_L 0x00001000L /* Lower */ 57#define _CTYPE_P 0x00002000L /* Punct */ 58#define _CTYPE_S 0x00004000L /* Space */ 59#define _CTYPE_U 0x00008000L /* Upper */ 60#define _CTYPE_X 0x00010000L /* X digit */ 61#define _CTYPE_B 0x00020000L /* Blank */ 62#define _CTYPE_R 0x00040000L /* Print */ 63#define _CTYPE_I 0x00080000L /* Ideogram */ 64#define _CTYPE_T 0x00100000L /* Special */ 65#define _CTYPE_Q 0x00200000L /* Phonogram */ 66#define _CTYPE_SW0 0x20000000L /* 0 width character */ 67#define _CTYPE_SW1 0x40000000L /* 1 width character */ 68#define _CTYPE_SW2 0x80000000L /* 2 width character */ 69#define _CTYPE_SW3 0xc0000000L /* 3 width character */ 70#define _CTYPE_SWM 0xe0000000L /* Mask for screen width data */ 71#define _CTYPE_SWS 30 /* Bits to shift to get width */ 72 73/* See comments in <sys/_types.h> about __ct_rune_t. */ 74__BEGIN_DECLS 75unsigned long ___runetype(__ct_rune_t) __pure; 76__ct_rune_t ___tolower(__ct_rune_t) __pure; 77__ct_rune_t ___toupper(__ct_rune_t) __pure; 78__END_DECLS 79 80/* 81 * _EXTERNALIZE_CTYPE_INLINES_ is defined in locale/nomacros.c to tell us 82 * to generate code for extern versions of all our inline functions. 83 */ 84#ifdef _EXTERNALIZE_CTYPE_INLINES_ 85#define _USE_CTYPE_INLINE_ 86#define static 87#define __inline 88#endif 89 90extern int __mb_sb_limit; 91 92/* 93 * Use inline functions if we are allowed to and the compiler supports them. 94 */ 95#if !defined(_DONT_USE_CTYPE_INLINE_) && \ 96 (defined(_USE_CTYPE_INLINE_) || defined(__GNUC__) || defined(__cplusplus)) 97 98#include <runetype.h> 99 100static __inline int 101__maskrune(__ct_rune_t _c, unsigned long _f) 102{ 103 return ((_c < 0 || _c >= _CACHED_RUNES) ? ___runetype(_c) : 104 _CurrentRuneLocale->__runetype[_c]) & _f; 105} 106 107static __inline int 108__sbmaskrune(__ct_rune_t _c, unsigned long _f) 109{ 110 return (_c < 0 || _c >= __mb_sb_limit) ? 0 : 111 _CurrentRuneLocale->__runetype[_c] & _f; 112} 113 114static __inline int 115__istype(__ct_rune_t _c, unsigned long _f) 116{ 117 return (!!__maskrune(_c, _f)); 118} 119 120static __inline int 121__sbistype(__ct_rune_t _c, unsigned long _f) 122{ 123 return (!!__sbmaskrune(_c, _f)); 124} 125 126static __inline int 127__isctype(__ct_rune_t _c, unsigned long _f) 128{ 129 return (_c & ~0x7F) ? 0 : 130 !!(_DefaultRuneLocale.__runetype[_c] & _f); 131} 132 133static __inline __ct_rune_t 134__toupper(__ct_rune_t _c) 135{ 136 return (_c < 0 || _c >= _CACHED_RUNES) ? ___toupper(_c) : 137 _CurrentRuneLocale->__mapupper[_c]; 138} 139 140static __inline __ct_rune_t 141__sbtoupper(__ct_rune_t _c) 142{ 143 return (_c < 0 || _c >= __mb_sb_limit) ? _c : 144 _CurrentRuneLocale->__mapupper[_c]; 145} 146 147static __inline __ct_rune_t 148__tolower(__ct_rune_t _c) 149{ 150 return (_c < 0 || _c >= _CACHED_RUNES) ? ___tolower(_c) : 151 _CurrentRuneLocale->__maplower[_c]; 152} 153 154static __inline __ct_rune_t 155__sbtolower(__ct_rune_t _c) 156{ 157 return (_c < 0 || _c >= __mb_sb_limit) ? _c : 158 _CurrentRuneLocale->__maplower[_c]; 159} 160 161static __inline int 162__wcwidth(__ct_rune_t _c) 163{ 164 unsigned int _x; 165 166 if (_c == 0) 167 return (0); 168 _x = (unsigned int)__maskrune(_c, _CTYPE_SWM|_CTYPE_R); 169 if ((_x & _CTYPE_SWM) != 0) 170 return ((_x & _CTYPE_SWM) >> _CTYPE_SWS); 171 return ((_x & _CTYPE_R) != 0 ? 1 : -1); 172} 173 174#else /* not using inlines */ 175 176__BEGIN_DECLS 177int __maskrune(__ct_rune_t, unsigned long); 178int __sbmaskrune(__ct_rune_t, unsigned long); 179int __istype(__ct_rune_t, unsigned long); 180int __sbistype(__ct_rune_t, unsigned long); 181int __isctype(__ct_rune_t, unsigned long); 182__ct_rune_t __toupper(__ct_rune_t); 183__ct_rune_t __sbtoupper(__ct_rune_t); 184__ct_rune_t __tolower(__ct_rune_t); 185__ct_rune_t __sbtolower(__ct_rune_t); 186int __wcwidth(__ct_rune_t); 187__END_DECLS 188#endif /* using inlines */ 189 190#endif /* !__CTYPE_H_ */ 191