_ctype.h revision 102998
11539Srgrimes/* 21539Srgrimes * Copyright (c) 1989, 1993 31539Srgrimes * The Regents of the University of California. All rights reserved. 41539Srgrimes * (c) UNIX System Laboratories, Inc. 51539Srgrimes * All or some portions of this file are derived from material licensed 61539Srgrimes * to the University of California by American Telephone and Telegraph 71539Srgrimes * Co. or Unix System Laboratories, Inc. and are reproduced herein with 81539Srgrimes * the permission of UNIX System Laboratories, Inc. 91539Srgrimes * 101539Srgrimes * This code is derived from software contributed to Berkeley by 111539Srgrimes * Paul Borman at Krystal Technologies. 121539Srgrimes * 131539Srgrimes * Redistribution and use in source and binary forms, with or without 141539Srgrimes * modification, are permitted provided that the following conditions 151539Srgrimes * are met: 161539Srgrimes * 1. Redistributions of source code must retain the above copyright 171539Srgrimes * notice, this list of conditions and the following disclaimer. 181539Srgrimes * 2. Redistributions in binary form must reproduce the above copyright 191539Srgrimes * notice, this list of conditions and the following disclaimer in the 201539Srgrimes * documentation and/or other materials provided with the distribution. 211539Srgrimes * 3. All advertising materials mentioning features or use of this software 221539Srgrimes * must display the following acknowledgement: 231539Srgrimes * This product includes software developed by the University of 241539Srgrimes * California, Berkeley and its contributors. 251539Srgrimes * 4. Neither the name of the University nor the names of its contributors 261539Srgrimes * may be used to endorse or promote products derived from this software 271539Srgrimes * without specific prior written permission. 281539Srgrimes * 291539Srgrimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 301539Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 311539Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 321539Srgrimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 331539Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 341539Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 351539Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 361539Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 371539Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 381539Srgrimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 391539Srgrimes * SUCH DAMAGE. 401539Srgrimes * 411539Srgrimes * @(#)ctype.h 8.4 (Berkeley) 1/21/94 4254746Sphantom * $FreeBSD: head/include/_ctype.h 102998 2002-09-06 04:22:54Z mike $ 431539Srgrimes */ 441539Srgrimes 457655Sbde#ifndef _CTYPE_H_ 467655Sbde#define _CTYPE_H_ 471539Srgrimes 487655Sbde/* 49102998Smike * XXX <runetype.h> brings namespace pollution (struct member names). 507655Sbde */ 511539Srgrimes#include <runetype.h> 521539Srgrimes 5357035Sobrien#define _CTYPE_A 0x00000100L /* Alpha */ 5457035Sobrien#define _CTYPE_C 0x00000200L /* Control */ 5557035Sobrien#define _CTYPE_D 0x00000400L /* Digit */ 5657035Sobrien#define _CTYPE_G 0x00000800L /* Graph */ 5757035Sobrien#define _CTYPE_L 0x00001000L /* Lower */ 5857035Sobrien#define _CTYPE_P 0x00002000L /* Punct */ 5957035Sobrien#define _CTYPE_S 0x00004000L /* Space */ 6057035Sobrien#define _CTYPE_U 0x00008000L /* Upper */ 6157035Sobrien#define _CTYPE_X 0x00010000L /* X digit */ 6257035Sobrien#define _CTYPE_B 0x00020000L /* Blank */ 6357035Sobrien#define _CTYPE_R 0x00040000L /* Print */ 6457035Sobrien#define _CTYPE_I 0x00080000L /* Ideogram */ 6557035Sobrien#define _CTYPE_T 0x00100000L /* Special */ 6657035Sobrien#define _CTYPE_Q 0x00200000L /* Phonogram */ 67101984Skeichii#define _CTYPE_SW0 0x20000000L /* 0 width character */ 68102093Sache#define _CTYPE_SW1 0x40000000L /* 1 width character */ 69101984Skeichii#define _CTYPE_SW2 0x80000000L /* 2 width character */ 70101984Skeichii#define _CTYPE_SW3 0xc0000000L /* 3 width character */ 711539Srgrimes 727655Sbde__BEGIN_DECLS 7393032Simpint isalnum(int); 7493032Simpint isalpha(int); 7593032Simpint iscntrl(int); 7693032Simpint isdigit(int); 7793032Simpint isgraph(int); 7893032Simpint islower(int); 7993032Simpint isprint(int); 8093032Simpint ispunct(int); 8193032Simpint isspace(int); 8293032Simpint isupper(int); 8393032Simpint isxdigit(int); 8493032Simpint tolower(int); 8593032Simpint toupper(int); 861539Srgrimes 87102998Smike#if __XSI_VISIBLE 88102998Smikeint _tolower(int); 89102998Smikeint _toupper(int); 90102998Smikeint isascii(int); 91102998Smikeint toascii(int); 92102998Smike#endif 93102998Smike 94102998Smike#if __BSD_VISIBLE 9593032Simpint digittoint(int); 9693032Simpint isblank(int); 9793032Simpint ishexnumber(int); 9893032Simpint isideogram(int); 9993032Simpint isnumber(int); 10093032Simpint isphonogram(int); 10193032Simpint isrune(int); 10293032Simpint isspecial(int); 1037655Sbde#endif 1047655Sbde__END_DECLS 1057655Sbde 10657035Sobrien#define isalnum(c) __istype((c), _CTYPE_A|_CTYPE_D) 10757035Sobrien#define isalpha(c) __istype((c), _CTYPE_A) 10857035Sobrien#define iscntrl(c) __istype((c), _CTYPE_C) 10957035Sobrien#define isdigit(c) __isctype((c), _CTYPE_D) /* ANSI -- locale independent */ 11057035Sobrien#define isgraph(c) __istype((c), _CTYPE_G) 11157035Sobrien#define islower(c) __istype((c), _CTYPE_L) 11257035Sobrien#define isprint(c) __istype((c), _CTYPE_R) 11357035Sobrien#define ispunct(c) __istype((c), _CTYPE_P) 11457035Sobrien#define isspace(c) __istype((c), _CTYPE_S) 11557035Sobrien#define isupper(c) __istype((c), _CTYPE_U) 11657035Sobrien#define isxdigit(c) __isctype((c), _CTYPE_X) /* ANSI -- locale independent */ 1177655Sbde#define tolower(c) __tolower(c) 1187655Sbde#define toupper(c) __toupper(c) 1197655Sbde 120102998Smike#if __XSI_VISIBLE 121102998Smike/* 122102998Smike * POSIX.1-2001 specifies _tolower() and _toupper() to be macros equivalent to 123102998Smike * tolower() and toupper() respectively, minus extra checking to ensure that 124102998Smike * the argument is a lower or uppercase letter respectively. We've chosen to 125102998Smike * implement these macros with the same error checking as tolower() and 126102998Smike * toupper() since this doesn't violate the specification itself, only its 127102998Smike * intent. We purposely leave _tolower() and _toupper() undocumented to 128102998Smike * discourage their use. 129102998Smike * 130102998Smike * XXX isascii() and toascii() should similarly be undocumented. 131102998Smike */ 132102998Smike#define _tolower(c) __tolower(c) 133102998Smike#define _toupper(c) __toupper(c) 134102998Smike#define isascii(c) (((c) & ~0x7F) == 0) 135102998Smike#define toascii(c) ((c) & 0x7F) 136102998Smike#endif 137102998Smike 138102998Smike#if __BSD_VISIBLE 13954746Sphantom#define digittoint(c) __maskrune((c), 0xFF) 14057035Sobrien#define isblank(c) __istype((c), _CTYPE_B) 14157035Sobrien#define ishexnumber(c) __istype((c), _CTYPE_X) 14257035Sobrien#define isideogram(c) __istype((c), _CTYPE_I) 14357035Sobrien#define isnumber(c) __istype((c), _CTYPE_D) 14457035Sobrien#define isphonogram(c) __istype((c), _CTYPE_Q) 1457655Sbde#define isrune(c) __istype((c), 0xFFFFFF00L) 14657035Sobrien#define isspecial(c) __istype((c), _CTYPE_T) 1471539Srgrimes#endif 1481539Srgrimes 149102998Smike/* See comments in <sys/_types.h> about __ct_rune_t. */ 1501539Srgrimes__BEGIN_DECLS 151102227Smikeunsigned long ___runetype(__ct_rune_t); 152102227Smike__ct_rune_t ___tolower(__ct_rune_t); 153102227Smike__ct_rune_t ___toupper(__ct_rune_t); 1541539Srgrimes__END_DECLS 1551539Srgrimes 1561539Srgrimes/* 1577655Sbde * _EXTERNALIZE_CTYPE_INLINES_ is defined in locale/nomacros.c to tell us 1587655Sbde * to generate code for extern versions of all our inline functions. 1591539Srgrimes */ 1607655Sbde#ifdef _EXTERNALIZE_CTYPE_INLINES_ 1617655Sbde#define _USE_CTYPE_INLINE_ 1627655Sbde#define static 1637655Sbde#define __inline 1641539Srgrimes#endif 1651539Srgrimes 1667655Sbde/* 1677655Sbde * Use inline functions if we are allowed to and the compiler supports them. 1687655Sbde */ 1697655Sbde#if !defined(_DONT_USE_CTYPE_INLINE_) && \ 1707655Sbde (defined(_USE_CTYPE_INLINE_) || defined(__GNUC__) || defined(__cplusplus)) 1711539Srgrimesstatic __inline int 172102227Smike__maskrune(__ct_rune_t _c, unsigned long _f) 1731539Srgrimes{ 17429855Sache return ((_c < 0 || _c >= _CACHED_RUNES) ? ___runetype(_c) : 17529855Sache _CurrentRuneLocale->runetype[_c]) & _f; 1761539Srgrimes} 1771539Srgrimes 1781539Srgrimesstatic __inline int 179102227Smike__istype(__ct_rune_t _c, unsigned long _f) 18090231Sbbraun{ 18190231Sbbraun return (!!__maskrune(_c, _f)); 18290231Sbbraun} 18390231Sbbraun 18490231Sbbraunstatic __inline int 185102227Smike__isctype(__ct_rune_t _c, unsigned long _f) 1861539Srgrimes{ 18712028Sache return (_c < 0 || _c >= _CACHED_RUNES) ? 0 : 18829883Sache !!(_DefaultRuneLocale.runetype[_c] & _f); 1891539Srgrimes} 1901539Srgrimes 191102227Smikestatic __inline __ct_rune_t 192102227Smike__toupper(__ct_rune_t _c) 1931539Srgrimes{ 19414813Sache return (_c < 0 || _c >= _CACHED_RUNES) ? ___toupper(_c) : 19512028Sache _CurrentRuneLocale->mapupper[_c]; 1961539Srgrimes} 1971539Srgrimes 198102227Smikestatic __inline __ct_rune_t 199102227Smike__tolower(__ct_rune_t _c) 2001539Srgrimes{ 20114813Sache return (_c < 0 || _c >= _CACHED_RUNES) ? ___tolower(_c) : 20212028Sache _CurrentRuneLocale->maplower[_c]; 2031539Srgrimes} 2041539Srgrimes 2057655Sbde#else /* not using inlines */ 2061539Srgrimes 2071539Srgrimes__BEGIN_DECLS 208102227Smikeint __maskrune(__ct_rune_t, unsigned long); 209102227Smikeint __istype(__ct_rune_t, unsigned long); 210102227Smikeint __isctype(__ct_rune_t, unsigned long); 211102227Smike__ct_rune_t __toupper(__ct_rune_t); 212102227Smike__ct_rune_t __tolower(__ct_rune_t); 2131539Srgrimes__END_DECLS 2147655Sbde#endif /* using inlines */ 2151539Srgrimes 2161539Srgrimes#endif /* !_CTYPE_H_ */ 217