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- /* 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; see the file COPYING.LIB. If
- * not, see <http://www.gnu.org/licenses/>.
- */
- /* 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
- #ifdef __UCLIBC_GEN_LOCALE
- /* We are in extra/locale/gen_XXX tools build */
- #include "uClibc_charclass.h"
- #else
- /* 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
- #ifdef _LIBC
- /* These are uClibc-specific. */
- # define __isdigit_char(c) ((unsigned char)((c) - '0') <= 9)
- # define __isdigit_int(c) ((unsigned int)((c) - '0') <= 9)
- #endif
- /* 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 __NO_CTYPE
- # 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
- # endif
- #else /* !_GNUC__ */
- # ifndef __NO_CTYPE
- # 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
- #endif /* __GNUC__ */
- /**********************************************************************/
- #endif /* __UCLIBC_GEN_LOCALE */
- #endif /* _BITS_UCLIBC_CTYPE_H */
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