ctype.h revision 130962
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 * $FreeBSD: head/include/ctype.h 130962 2004-06-23 07:11:39Z tjr $ 43 */ 44 45#ifndef _CTYPE_H_ 46#define _CTYPE_H_ 47 48#include <sys/cdefs.h> 49#include <sys/_types.h> 50 51#define _CTYPE_A 0x00000100L /* Alpha */ 52#define _CTYPE_C 0x00000200L /* Control */ 53#define _CTYPE_D 0x00000400L /* Digit */ 54#define _CTYPE_G 0x00000800L /* Graph */ 55#define _CTYPE_L 0x00001000L /* Lower */ 56#define _CTYPE_P 0x00002000L /* Punct */ 57#define _CTYPE_S 0x00004000L /* Space */ 58#define _CTYPE_U 0x00008000L /* Upper */ 59#define _CTYPE_X 0x00010000L /* X digit */ 60#define _CTYPE_B 0x00020000L /* Blank */ 61#define _CTYPE_R 0x00040000L /* Print */ 62#define _CTYPE_I 0x00080000L /* Ideogram */ 63#define _CTYPE_T 0x00100000L /* Special */ 64#define _CTYPE_Q 0x00200000L /* Phonogram */ 65#define _CTYPE_SW0 0x20000000L /* 0 width character */ 66#define _CTYPE_SW1 0x40000000L /* 1 width character */ 67#define _CTYPE_SW2 0x80000000L /* 2 width character */ 68#define _CTYPE_SW3 0xc0000000L /* 3 width character */ 69 70__BEGIN_DECLS 71int isalnum(int); 72int isalpha(int); 73int iscntrl(int); 74int isdigit(int); 75int isgraph(int); 76int islower(int); 77int isprint(int); 78int ispunct(int); 79int isspace(int); 80int isupper(int); 81int isxdigit(int); 82int tolower(int); 83int toupper(int); 84 85#if __XSI_VISIBLE 86int _tolower(int); 87int _toupper(int); 88int isascii(int); 89int toascii(int); 90#endif 91 92#if __ISO_C_VISIBLE >= 1999 93int isblank(int); 94#endif 95 96#if __BSD_VISIBLE 97int digittoint(int); 98int ishexnumber(int); 99int isideogram(int); 100int isnumber(int); 101int isphonogram(int); 102int isrune(int); 103int isspecial(int); 104#endif 105__END_DECLS 106 107#define isalnum(c) __istype((c), _CTYPE_A|_CTYPE_D) 108#define isalpha(c) __istype((c), _CTYPE_A) 109#define iscntrl(c) __istype((c), _CTYPE_C) 110#define isdigit(c) __isctype((c), _CTYPE_D) /* ANSI -- locale independent */ 111#define isgraph(c) __istype((c), _CTYPE_G) 112#define islower(c) __istype((c), _CTYPE_L) 113#define isprint(c) __istype((c), _CTYPE_R) 114#define ispunct(c) __istype((c), _CTYPE_P) 115#define isspace(c) __istype((c), _CTYPE_S) 116#define isupper(c) __istype((c), _CTYPE_U) 117#define isxdigit(c) __isctype((c), _CTYPE_X) /* ANSI -- locale independent */ 118#define tolower(c) __tolower(c) 119#define toupper(c) __toupper(c) 120 121#if __XSI_VISIBLE 122/* 123 * POSIX.1-2001 specifies _tolower() and _toupper() to be macros equivalent to 124 * tolower() and toupper() respectively, minus extra checking to ensure that 125 * the argument is a lower or uppercase letter respectively. We've chosen to 126 * implement these macros with the same error checking as tolower() and 127 * toupper() since this doesn't violate the specification itself, only its 128 * intent. We purposely leave _tolower() and _toupper() undocumented to 129 * discourage their use. 130 * 131 * XXX isascii() and toascii() should similarly be undocumented. 132 */ 133#define _tolower(c) __tolower(c) 134#define _toupper(c) __toupper(c) 135#define isascii(c) (((c) & ~0x7F) == 0) 136#define toascii(c) ((c) & 0x7F) 137#endif 138 139#if __ISO_C_VISIBLE >= 1999 140#define isblank(c) __istype((c), _CTYPE_B) 141#endif 142 143#if __BSD_VISIBLE 144#define digittoint(c) __maskrune((c), 0xFF) 145#define ishexnumber(c) __istype((c), _CTYPE_X) 146#define isideogram(c) __istype((c), _CTYPE_I) 147#define isnumber(c) __istype((c), _CTYPE_D) 148#define isphonogram(c) __istype((c), _CTYPE_Q) 149#define isrune(c) __istype((c), 0xFFFFFF00L) 150#define isspecial(c) __istype((c), _CTYPE_T) 151#endif 152 153/* See comments in <sys/_types.h> about __ct_rune_t. */ 154__BEGIN_DECLS 155unsigned long ___runetype(__ct_rune_t); 156__ct_rune_t ___tolower(__ct_rune_t); 157__ct_rune_t ___toupper(__ct_rune_t); 158__END_DECLS 159 160/* 161 * _EXTERNALIZE_CTYPE_INLINES_ is defined in locale/nomacros.c to tell us 162 * to generate code for extern versions of all our inline functions. 163 */ 164#ifdef _EXTERNALIZE_CTYPE_INLINES_ 165#define _USE_CTYPE_INLINE_ 166#define static 167#define __inline 168#endif 169 170/* 171 * Use inline functions if we are allowed to and the compiler supports them. 172 */ 173#if !defined(_DONT_USE_CTYPE_INLINE_) && \ 174 (defined(_USE_CTYPE_INLINE_) || defined(__GNUC__) || defined(__cplusplus)) 175 176#include <runetype.h> 177 178static __inline int 179__maskrune(__ct_rune_t _c, unsigned long _f) 180{ 181 return ((_c < 0 || _c >= _CACHED_RUNES) ? ___runetype(_c) : 182 _CurrentRuneLocale->__runetype[_c]) & _f; 183} 184 185static __inline int 186__istype(__ct_rune_t _c, unsigned long _f) 187{ 188 return (!!__maskrune(_c, _f)); 189} 190 191static __inline int 192__isctype(__ct_rune_t _c, unsigned long _f) 193{ 194 return (_c < 0 || _c >= _CACHED_RUNES) ? 0 : 195 !!(_DefaultRuneLocale.__runetype[_c] & _f); 196} 197 198static __inline __ct_rune_t 199__toupper(__ct_rune_t _c) 200{ 201 return (_c < 0 || _c >= _CACHED_RUNES) ? ___toupper(_c) : 202 _CurrentRuneLocale->__mapupper[_c]; 203} 204 205static __inline __ct_rune_t 206__tolower(__ct_rune_t _c) 207{ 208 return (_c < 0 || _c >= _CACHED_RUNES) ? ___tolower(_c) : 209 _CurrentRuneLocale->__maplower[_c]; 210} 211 212#else /* not using inlines */ 213 214__BEGIN_DECLS 215int __maskrune(__ct_rune_t, unsigned long); 216int __istype(__ct_rune_t, unsigned long); 217int __isctype(__ct_rune_t, unsigned long); 218__ct_rune_t __toupper(__ct_rune_t); 219__ct_rune_t __tolower(__ct_rune_t); 220__END_DECLS 221#endif /* using inlines */ 222 223#endif /* !_CTYPE_H_ */ 224