include/ctype.h

   1 /*
   2  * Copyright (c) 1989, 1993
   3  *      The Regents of the University of California.  All rights reserved.
   4  * (c) UNIX System Laboratories, Inc.
   5  * All or some portions of this file are derived from material licensed
   6  * to the University of California by American Telephone and Telegraph
   7  * Co. or Unix System Laboratories, Inc. and are reproduced herein with
   8  * the permission of UNIX System Laboratories, Inc.
   9  *
  10  * This code is derived from software contributed to Berkeley by
  11  * Paul Borman at Krystal Technologies.
  12  *
  13  * Redistribution and use in source and binary forms, with or without
  14  * modification, are permitted provided that the following conditions
  15  * are met:
  16  * 1. Redistributions of source code must retain the above copyright
  17  *    notice, this list of conditions and the following disclaimer.
  18  * 2. Redistributions in binary form must reproduce the above copyright
  19  *    notice, this list of conditions and the following disclaimer in the
  20  *    documentation and/or other materials provided with the distribution.
  21  * 3. All advertising materials mentioning features or use of this software
  22  *    must display the following acknowledgement:
  23  *      This product includes software developed by the University of
  24  *      California, Berkeley and its contributors.
  25  * 4. Neither the name of the University nor the names of its contributors
  26  *    may be used to endorse or promote products derived from this software
  27  *    without specific prior written permission.
  28  *
  29  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  30  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  31  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  32  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  33  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  34  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  35  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  36  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  37  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  38  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  39  * SUCH DAMAGE.
  40  *
  41  *      @(#)ctype.h     8.4 (Berkeley) 1/21/94
  42  *      $FreeBSD: src/include/ctype.h,v 1.16 2000/02/08 07:43:23 obrien Exp $
  43  *      $DragonFly: src/include/ctype.h,v 1.5 2004/10/29 05:44:40 asmodai Exp $
  44  */
  45
  46 #ifndef _CTYPE_H_
  47 #define _CTYPE_H_
  48
  49 #ifndef _SYS_STDINT_H_
  50 #include <sys/stdint.h> /* __ct_rune_t and friends */
  51 #endif
  52
  53 /*
  54  * XXX <runetype.h> brings massive namespace pollution (rune_t and struct
  55  * member names).
  56  */
  57 #include <runetype.h>
  58
  59 #define _CTYPE_A        0x00000100L             /* Alpha */
  60 #define _CTYPE_C        0x00000200L             /* Control */
  61 #define _CTYPE_D        0x00000400L             /* Digit */
  62 #define _CTYPE_G        0x00000800L             /* Graph */
  63 #define _CTYPE_L        0x00001000L             /* Lower */
  64 #define _CTYPE_P        0x00002000L             /* Punct */
  65 #define _CTYPE_S        0x00004000L             /* Space */
  66 #define _CTYPE_U        0x00008000L             /* Upper */
  67 #define _CTYPE_X        0x00010000L             /* X digit */
  68 #define _CTYPE_B        0x00020000L             /* Blank */
  69 #define _CTYPE_R        0x00040000L             /* Print */
  70 #define _CTYPE_I        0x00080000L             /* Ideogram */
  71 #define _CTYPE_T        0x00100000L             /* Special */
  72 #define _CTYPE_Q        0x00200000L             /* Phonogram */
  73 #define _CTYPE_SW0      0x20000000L             /* 0 width character */
  74 #define _CTYPE_SW1      0x40000000L             /* 1 width character */
  75 #define _CTYPE_SW2      0x80000000L             /* 2 width character */
  76 #define _CTYPE_SW3      0xc0000000L             /* 3 width character */
  77 #define _CTYPE_SWM      0xe0000000L             /* Mask for screen width data */
  78 #define _CTYPE_SWS      30                      /* Bits to shift to get width */
  79
  80 __BEGIN_DECLS
  81 int     isalnum (int);
  82 int     isalpha (int);
  83 int     iscntrl (int);
  84 int     isdigit (int);
  85 int     isgraph (int);
  86 int     islower (int);
  87 int     isprint (int);
  88 int     ispunct (int);
  89 int     isspace (int);
  90 int     isupper (int);
  91 int     isxdigit (int);
  92 int     tolower (int);
  93 int     toupper (int);
  94
  95 #if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE)
  96 int     digittoint (int);
  97 int     isascii (int);
  98 int     isblank (int);
  99 int     ishexnumber (int);
 100 int     isideogram (int);
 101 int     isnumber (int);
 102 int     isphonogram (int);
 103 int     isrune (int);
 104 int     isspecial (int);
 105 int     toascii (int);
 106 #endif
 107 __END_DECLS
 108
 109 #define __istype(c,f)   (!!__maskrune((c),(f)))
 110
 111 #define isalnum(c)      __istype((c), _CTYPE_A|_CTYPE_D)
 112 #define isalpha(c)      __istype((c), _CTYPE_A)
 113 #define iscntrl(c)      __istype((c), _CTYPE_C)
 114 #define isdigit(c)      __isctype((c), _CTYPE_D) /* ANSI -- locale independent */
 115 #define isgraph(c)      __istype((c), _CTYPE_G)
 116 #define islower(c)      __istype((c), _CTYPE_L)
 117 #define isprint(c)      __istype((c), _CTYPE_R)
 118 #define ispunct(c)      __istype((c), _CTYPE_P)
 119 #define isspace(c)      __istype((c), _CTYPE_S)
 120 #define isupper(c)      __istype((c), _CTYPE_U)
 121 #define isxdigit(c)     __isctype((c), _CTYPE_X) /* ANSI -- locale independent */
 122 #define tolower(c)      __tolower(c)
 123 #define toupper(c)      __toupper(c)
 124
 125 #if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE)
 126 #define digittoint(c)   __maskrune((c), 0xFF)
 127 #define isascii(c)      (((c) & ~0x7F) == 0)
 128 #define isblank(c)      __istype((c), _CTYPE_B)
 129 #define ishexnumber(c)  __istype((c), _CTYPE_X)
 130 #define isideogram(c)   __istype((c), _CTYPE_I)
 131 #define isnumber(c)     __istype((c), _CTYPE_D)
 132 #define isphonogram(c)  __istype((c), _CTYPE_Q)
 133 #define isrune(c)       __istype((c), 0xFFFFFF00L)
 134 #define isspecial(c)    __istype((c), _CTYPE_T)
 135 #define toascii(c)      ((c) & 0x7F)
 136 #endif
 137
 138 __BEGIN_DECLS
 139 unsigned long   ___runetype (__ct_rune_t);
 140 __ct_rune_t     ___tolower (__ct_rune_t);
 141 __ct_rune_t     ___toupper (__ct_rune_t);
 142 __END_DECLS
 143
 144 /*
 145  * _EXTERNALIZE_CTYPE_INLINES_ is defined in locale/nomacros.c to tell us
 146  * to generate code for extern versions of all our inline functions.
 147  */
 148 #ifdef _EXTERNALIZE_CTYPE_INLINES_
 149 #define _USE_CTYPE_INLINE_
 150 #define static
 151 #define __inline
 152 #endif
 153
 154 /*
 155  * Use inline functions if we are allowed to and the compiler supports them.
 156  */
 157 #if !defined(_DONT_USE_CTYPE_INLINE_) && \
 158     (defined(_USE_CTYPE_INLINE_) || defined(__GNUC__) || defined(__cplusplus))
 159 static __inline int
 160 __maskrune(__ct_rune_t _c, unsigned long _f)
 161 {
 162         return ((_c < 0 || _c >= _CACHED_RUNES) ? ___runetype(_c) :
 163                 _CurrentRuneLocale->runetype[_c]) & _f;
 164 }
 165
 166 static __inline int
 167 __isctype(__ct_rune_t _c, unsigned long _f)
 168 {
 169         return (_c < 0 || _c >= _CACHED_RUNES) ? 0 :
 170                !!(_DefaultRuneLocale.runetype[_c] & _f);
 171 }
 172
 173 static __inline __ct_rune_t
 174 __toupper(__ct_rune_t _c)
 175 {
 176         return (_c < 0 || _c >= _CACHED_RUNES) ? ___toupper(_c) :
 177                _CurrentRuneLocale->mapupper[_c];
 178 }
 179
 180 static __inline __ct_rune_t
 181 __tolower(__ct_rune_t _c)
 182 {
 183         return (_c < 0 || _c >= _CACHED_RUNES) ? ___tolower(_c) :
 184                _CurrentRuneLocale->maplower[_c];
 185 }
 186
 187 #else /* not using inlines */
 188
 189 __BEGIN_DECLS
 190 int             __maskrune (__ct_rune_t, unsigned long);
 191 int             __isctype (__ct_rune_t, unsigned long);
 192 __ct_rune_t     __toupper (__ct_rune_t);
 193 __ct_rune_t     __tolower (__ct_rune_t);
 194 __END_DECLS
 195 #endif /* using inlines */
 196
 197 #endif /* !_CTYPE_H_ */