1/* Copyright (C) 2002 Manuel Novoa III 2 * 3 * This library is free software; you can redistribute it and/or 4 * modify it under the terms of the GNU Lesser General Public 5 * License as published by the Free Software Foundation; either 6 * version 2.1 of the License, or (at your option) any later version. 7 * 8 * The GNU C Library is distributed in the hope that it will be useful, 9 * but WITHOUT ANY WARRANTY; without even the implied warranty of 10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 11 * Lesser General Public License for more details. 12 * 13 * You should have received a copy of the GNU Lesser General Public 14 * License along with the GNU C Library; if not, write to the Free 15 * Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 16 * 02111-1307 USA. 17 */ 18 19/* ATTENTION! ATTENTION! ATTENTION! ATTENTION! ATTENTION! 20 * 21 * Besides uClibc, I'm using this code in my libc for elks, which is 22 * a 16-bit environment with a fairly limited compiler. It would make 23 * things much easier for me if this file isn't modified unnecessarily. 24 * In particular, please put any new or replacement functions somewhere 25 * else, and modify the makefile to use your version instead. 26 * Thanks. Manuel 27 * 28 * ATTENTION! ATTENTION! ATTENTION! ATTENTION! ATTENTION! */ 29 30#if !defined(_CTYPE_H) && !defined(_WCTYPE_H) 31#error Always include <{w}ctype.h> rather than <bits/uClibc_ctype.h> 32#endif 33 34#ifndef _BITS_UCLIBC_CTYPE_H 35#define _BITS_UCLIBC_CTYPE_H 36 37 38/* Define some ctype macros valid for the C/POSIX locale. */ 39 40/* ASCII ords of \t, \f, \n, \r, and \v are 9, 12, 10, 13, 11 respectively. */ 41#define __C_isspace(c) \ 42 ((sizeof(c) == sizeof(char)) \ 43 ? ((((c) == ' ') || (((unsigned char)((c) - 9)) <= (13 - 9)))) \ 44 : ((((c) == ' ') || (((unsigned int)((c) - 9)) <= (13 - 9))))) 45#define __C_isblank(c) (((c) == ' ') || ((c) == '\t')) 46#define __C_isdigit(c) \ 47 ((sizeof(c) == sizeof(char)) \ 48 ? (((unsigned char)((c) - '0')) < 10) \ 49 : (((unsigned int)((c) - '0')) < 10)) 50#define __C_isxdigit(c) \ 51 (__C_isdigit(c) \ 52 || ((sizeof(c) == sizeof(char)) \ 53 ? (((unsigned char)((((c)) | 0x20) - 'a')) < 6) \ 54 : (((unsigned int)((((c)) | 0x20) - 'a')) < 6))) 55#define __C_iscntrl(c) \ 56 ((sizeof(c) == sizeof(char)) \ 57 ? ((((unsigned char)(c)) < 0x20) || ((c) == 0x7f)) \ 58 : ((((unsigned int)(c)) < 0x20) || ((c) == 0x7f))) 59#define __C_isalpha(c) \ 60 ((sizeof(c) == sizeof(char)) \ 61 ? (((unsigned char)(((c) | 0x20) - 'a')) < 26) \ 62 : (((unsigned int)(((c) | 0x20) - 'a')) < 26)) 63#define __C_isalnum(c) (__C_isalpha(c) || __C_isdigit(c)) 64#define __C_isprint(c) \ 65 ((sizeof(c) == sizeof(char)) \ 66 ? (((unsigned char)((c) - 0x20)) <= (0x7e - 0x20)) \ 67 : (((unsigned int)((c) - 0x20)) <= (0x7e - 0x20))) 68#define __C_islower(c) \ 69 ((sizeof(c) == sizeof(char)) \ 70 ? (((unsigned char)((c) - 'a')) < 26) \ 71 : (((unsigned int)((c) - 'a')) < 26)) 72#define __C_isupper(c) \ 73 ((sizeof(c) == sizeof(char)) \ 74 ? (((unsigned char)((c) - 'A')) < 26) \ 75 : (((unsigned int)((c) - 'A')) < 26)) 76#define __C_ispunct(c) \ 77 ((!__C_isalnum(c)) \ 78 && ((sizeof(c) == sizeof(char)) \ 79 ? (((unsigned char)((c) - 0x21)) <= (0x7e - 0x21)) \ 80 : (((unsigned int)((c) - 0x21)) <= (0x7e - 0x21)))) 81#define __C_isgraph(c) \ 82 ((sizeof(c) == sizeof(char)) \ 83 ? (((unsigned char)((c) - 0x21)) <= (0x7e - 0x21)) \ 84 : (((unsigned int)((c) - 0x21)) <= (0x7e - 0x21))) 85 86#define __C_tolower(c) (__C_isupper(c) ? ((c) | 0x20) : (c)) 87#define __C_toupper(c) (__C_islower(c) ? ((c) ^ 0x20) : (c)) 88 89/**********************************************************************/ 90__BEGIN_DECLS 91 92 93/* Now some non-ansi/iso c99 macros. */ 94 95#ifdef __UCLIBC_SUSV4_LEGACY__ 96#define __isascii(c) (((c) & ~0x7f) == 0) 97#define __toascii(c) ((c) & 0x7f) 98/* Works correctly *only* on lowercase letters! */ 99#define _toupper(c) ((c) ^ 0x20) 100/* Works correctly *only* on letters (of any case) and numbers */ 101#define _tolower(c) ((c) | 0x20) 102#endif 103 104__END_DECLS 105 106/**********************************************************************/ 107#ifdef __GNUC__ 108 109# define __body_C_macro(f,args) __C_ ## f args 110 111# define __body(f,c) \ 112(__extension__ ({ \ 113 int __res; \ 114 if (sizeof(c) > sizeof(char)) { \ 115 int __c = (c); \ 116 __res = __body_C_macro(f,(__c)); \ 117 } else { \ 118 unsigned char __c = (c); \ 119 __res = __body_C_macro(f,(__c)); \ 120 } \ 121 __res; \ 122})) 123 124# define __isspace(c) __body(isspace,c) 125# define __isblank(c) __body(isblank,c) 126# define __isdigit(c) __body(isdigit,c) 127# define __isxdigit(c) __body(isxdigit,c) 128# define __iscntrl(c) __body(iscntrl,c) 129# define __isalpha(c) __body(isalpha,c) 130# define __isalnum(c) __body(isalnum,c) 131# define __isprint(c) __body(isprint,c) 132# define __islower(c) __body(islower,c) 133# define __isupper(c) __body(isupper,c) 134# define __ispunct(c) __body(ispunct,c) 135# define __isgraph(c) __body(isgraph,c) 136 137/*locale-aware ctype.h has no __tolower, why stub locale 138 *tries to have it? remove after 0.9.31 139 *# define __tolower(c) __body(tolower,c) 140 *# define __toupper(c) __body(toupper,c) 141 */ 142 143/* Do not combine in one #if - unifdef tool is not that clever */ 144# ifndef __cplusplus 145 146# define isspace(c) __isspace(c) 147# define isblank(c) __isblank(c) 148# define isdigit(c) __isdigit(c) 149# define isxdigit(c) __isxdigit(c) 150# define iscntrl(c) __iscntrl(c) 151# define isalpha(c) __isalpha(c) 152# define isalnum(c) __isalnum(c) 153# define isprint(c) __isprint(c) 154# define islower(c) __islower(c) 155# define isupper(c) __isupper(c) 156# define ispunct(c) __ispunct(c) 157# define isgraph(c) __isgraph(c) 158 159# define tolower(c) __body(tolower,c) 160# define toupper(c) __body(toupper,c) 161 162# endif 163 164#else /* !_GNUC__ */ 165 166# ifndef __cplusplus 167 168/* These macros should be safe from side effects! 169 * (not all __C_xxx macros are) */ 170# define isdigit(c) __C_isdigit(c) 171# define isalpha(c) __C_isalpha(c) 172# define isprint(c) __C_isprint(c) 173# define islower(c) __C_islower(c) 174# define isupper(c) __C_isupper(c) 175# define isgraph(c) __C_isgraph(c) 176 177# endif 178 179#endif /* __GNUC__ */ 180/**********************************************************************/ 181 182 183#endif /* _BITS_UCLIBC_CTYPE_H */ 184