release/src-rt-6.x.4708/toolchains/hndtools-arm-linux-2.6.36-uclibc-4.5.3/arm-brcm-linux-uclibcgnueabi/sysroot/usr/include/bits/uClibc_ctype.h

   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 */