| /* Copyright (C) 2002 Manuel Novoa III |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2.1 of the License, or (at your option) any later version. |
| * |
| * The GNU C Library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with the GNU C Library; if not, write to the Free |
| * Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| * 02111-1307 USA. |
| */ |
| |
| /* ATTENTION! ATTENTION! ATTENTION! ATTENTION! ATTENTION! |
| * |
| * Besides uClibc, I'm using this code in my libc for elks, which is |
| * a 16-bit environment with a fairly limited compiler. It would make |
| * things much easier for me if this file isn't modified unnecessarily. |
| * In particular, please put any new or replacement functions somewhere |
| * else, and modify the makefile to use your version instead. |
| * Thanks. Manuel |
| * |
| * ATTENTION! ATTENTION! ATTENTION! ATTENTION! ATTENTION! */ |
| |
| #if !defined(_CTYPE_H) && !defined(_WCTYPE_H) |
| #error Always include <{w}ctype.h> rather than <bits/uClibc_ctype.h> |
| #endif |
| |
| #ifndef _BITS_UCLIBC_CTYPE_H |
| #define _BITS_UCLIBC_CTYPE_H |
| |
| |
| /* Define some ctype macros valid for the C/POSIX locale. */ |
| |
| /* ASCII ords of \t, \f, \n, \r, and \v are 9, 12, 10, 13, 11 respectively. */ |
| #define __C_isspace(c) \ |
| ((sizeof(c) == sizeof(char)) \ |
| ? ((((c) == ' ') || (((unsigned char)((c) - 9)) <= (13 - 9)))) \ |
| : ((((c) == ' ') || (((unsigned int)((c) - 9)) <= (13 - 9))))) |
| #define __C_isblank(c) (((c) == ' ') || ((c) == '\t')) |
| #define __C_isdigit(c) \ |
| ((sizeof(c) == sizeof(char)) \ |
| ? (((unsigned char)((c) - '0')) < 10) \ |
| : (((unsigned int)((c) - '0')) < 10)) |
| #define __C_isxdigit(c) \ |
| (__C_isdigit(c) \ |
| || ((sizeof(c) == sizeof(char)) \ |
| ? (((unsigned char)((((c)) | 0x20) - 'a')) < 6) \ |
| : (((unsigned int)((((c)) | 0x20) - 'a')) < 6))) |
| #define __C_iscntrl(c) \ |
| ((sizeof(c) == sizeof(char)) \ |
| ? ((((unsigned char)(c)) < 0x20) || ((c) == 0x7f)) \ |
| : ((((unsigned int)(c)) < 0x20) || ((c) == 0x7f))) |
| #define __C_isalpha(c) \ |
| ((sizeof(c) == sizeof(char)) \ |
| ? (((unsigned char)(((c) | 0x20) - 'a')) < 26) \ |
| : (((unsigned int)(((c) | 0x20) - 'a')) < 26)) |
| #define __C_isalnum(c) (__C_isalpha(c) || __C_isdigit(c)) |
| #define __C_isprint(c) \ |
| ((sizeof(c) == sizeof(char)) \ |
| ? (((unsigned char)((c) - 0x20)) <= (0x7e - 0x20)) \ |
| : (((unsigned int)((c) - 0x20)) <= (0x7e - 0x20))) |
| #define __C_islower(c) \ |
| ((sizeof(c) == sizeof(char)) \ |
| ? (((unsigned char)((c) - 'a')) < 26) \ |
| : (((unsigned int)((c) - 'a')) < 26)) |
| #define __C_isupper(c) \ |
| ((sizeof(c) == sizeof(char)) \ |
| ? (((unsigned char)((c) - 'A')) < 26) \ |
| : (((unsigned int)((c) - 'A')) < 26)) |
| #define __C_ispunct(c) \ |
| ((!__C_isalnum(c)) \ |
| && ((sizeof(c) == sizeof(char)) \ |
| ? (((unsigned char)((c) - 0x21)) <= (0x7e - 0x21)) \ |
| : (((unsigned int)((c) - 0x21)) <= (0x7e - 0x21)))) |
| #define __C_isgraph(c) \ |
| ((sizeof(c) == sizeof(char)) \ |
| ? (((unsigned char)((c) - 0x21)) <= (0x7e - 0x21)) \ |
| : (((unsigned int)((c) - 0x21)) <= (0x7e - 0x21))) |
| |
| #define __C_tolower(c) (__C_isupper(c) ? ((c) | 0x20) : (c)) |
| #define __C_toupper(c) (__C_islower(c) ? ((c) ^ 0x20) : (c)) |
| |
| /**********************************************************************/ |
| __BEGIN_DECLS |
| |
| |
| /* Now some non-ansi/iso c99 macros. */ |
| |
| #ifdef __UCLIBC_SUSV4_LEGACY__ |
| #define __isascii(c) (((c) & ~0x7f) == 0) |
| #define __toascii(c) ((c) & 0x7f) |
| /* Works correctly *only* on lowercase letters! */ |
| #define _toupper(c) ((c) ^ 0x20) |
| /* Works correctly *only* on letters (of any case) and numbers */ |
| #define _tolower(c) ((c) | 0x20) |
| #endif |
| |
| __END_DECLS |
| |
| /**********************************************************************/ |
| #ifdef __GNUC__ |
| |
| # define __body_C_macro(f,args) __C_ ## f args |
| |
| # define __body(f,c) \ |
| (__extension__ ({ \ |
| int __res; \ |
| if (sizeof(c) > sizeof(char)) { \ |
| int __c = (c); \ |
| __res = __body_C_macro(f,(__c)); \ |
| } else { \ |
| unsigned char __c = (c); \ |
| __res = __body_C_macro(f,(__c)); \ |
| } \ |
| __res; \ |
| })) |
| |
| # define __isspace(c) __body(isspace,c) |
| # define __isblank(c) __body(isblank,c) |
| # define __isdigit(c) __body(isdigit,c) |
| # define __isxdigit(c) __body(isxdigit,c) |
| # define __iscntrl(c) __body(iscntrl,c) |
| # define __isalpha(c) __body(isalpha,c) |
| # define __isalnum(c) __body(isalnum,c) |
| # define __isprint(c) __body(isprint,c) |
| # define __islower(c) __body(islower,c) |
| # define __isupper(c) __body(isupper,c) |
| # define __ispunct(c) __body(ispunct,c) |
| # define __isgraph(c) __body(isgraph,c) |
| |
| /*locale-aware ctype.h has no __tolower, why stub locale |
| *tries to have it? remove after 0.9.31 |
| *# define __tolower(c) __body(tolower,c) |
| *# define __toupper(c) __body(toupper,c) |
| */ |
| |
| /* Do not combine in one #if - unifdef tool is not that clever */ |
| # ifndef __cplusplus |
| |
| # define isspace(c) __isspace(c) |
| # define isblank(c) __isblank(c) |
| # define isdigit(c) __isdigit(c) |
| # define isxdigit(c) __isxdigit(c) |
| # define iscntrl(c) __iscntrl(c) |
| # define isalpha(c) __isalpha(c) |
| # define isalnum(c) __isalnum(c) |
| # define isprint(c) __isprint(c) |
| # define islower(c) __islower(c) |
| # define isupper(c) __isupper(c) |
| # define ispunct(c) __ispunct(c) |
| # define isgraph(c) __isgraph(c) |
| |
| # define tolower(c) __body(tolower,c) |
| # define toupper(c) __body(toupper,c) |
| |
| # endif |
| |
| #else /* !_GNUC__ */ |
| |
| # ifndef __cplusplus |
| |
| /* These macros should be safe from side effects! |
| * (not all __C_xxx macros are) */ |
| # define isdigit(c) __C_isdigit(c) |
| # define isalpha(c) __C_isalpha(c) |
| # define isprint(c) __C_isprint(c) |
| # define islower(c) __C_islower(c) |
| # define isupper(c) __C_isupper(c) |
| # define isgraph(c) __C_isgraph(c) |
| |
| # endif |
| |
| #endif /* __GNUC__ */ |
| /**********************************************************************/ |
| |
| |
| #endif /* _BITS_UCLIBC_CTYPE_H */ |