| 1 |
/* |
| 2 |
* ctype.h |
| 3 |
* |
| 4 |
* Functions for character classification and conversion. |
| 5 |
* |
| 6 |
* $Id: ctype.h,v e38eed5e2087 2016/07/09 20:53:41 keithmarshall $ |
| 7 |
* |
| 8 |
* Written by Colin Peters <colin@bird.fu.is.saga-u.ac.jp> |
| 9 |
* Copyright (C) 1997-2008, 2016, MinGW.org Project |
| 10 |
* |
| 11 |
* |
| 12 |
* Permission is hereby granted, free of charge, to any person obtaining a |
| 13 |
* copy of this software and associated documentation files (the "Software"), |
| 14 |
* to deal in the Software without restriction, including without limitation |
| 15 |
* the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| 16 |
* and/or sell copies of the Software, and to permit persons to whom the |
| 17 |
* Software is furnished to do so, subject to the following conditions: |
| 18 |
* |
| 19 |
* The above copyright notice, this permission notice, and the following |
| 20 |
* disclaimer shall be included in all copies or substantial portions of |
| 21 |
* the Software. |
| 22 |
* |
| 23 |
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
| 24 |
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 25 |
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| 26 |
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 27 |
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
| 28 |
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OF OR OTHER |
| 29 |
* DEALINGS IN THE SOFTWARE. |
| 30 |
* |
| 31 |
*/ |
| 32 |
#ifndef _CTYPE_H |
| 33 |
#pragma GCC system_header |
| 34 |
#define _CTYPE_H |
| 35 |
|
| 36 |
/* All MinGW headers must include <_mingw.h> |
| 37 |
*/ |
| 38 |
#include <_mingw.h> |
| 39 |
|
| 40 |
/* Although conflicting with both ISO-C and POSIX, Microsoft say that, |
| 41 |
* in addition to the single byte character classification API which is |
| 42 |
* properly declared here, this file should also declare elements of the |
| 43 |
* wide classification API, which is properly declared in <wctype.h> |
| 44 |
* |
| 45 |
* To avoid the burden of maintaining duplicate declarations, in two |
| 46 |
* locations, we keep the wide character declarations where ISO-C and |
| 47 |
* POSIX say they belong, in <wctype.h>, while accommodating Microsoft |
| 48 |
* compatibility by providing for selective inclusion of the relevant |
| 49 |
* elements of it here. (Note that we must do this early, because to |
| 50 |
* avoid duplication, we delegate the definition of common character |
| 51 |
* classification macros, with the exception of _LEADBYTE, which is |
| 52 |
* not required in both headers, to <wctype.h>). |
| 53 |
*/ |
| 54 |
#define __CTYPE_H_SOURCED__ |
| 55 |
#include <wctype.h> |
| 56 |
|
| 57 |
/* This is the one character classification macro, for which definition |
| 58 |
* is NOT delegated to <wctype.h> |
| 59 |
*/ |
| 60 |
#define _LEADBYTE 0x8000 |
| 61 |
|
| 62 |
#ifndef RC_INVOKED |
| 63 |
|
| 64 |
_BEGIN_C_DECLS |
| 65 |
|
| 66 |
_CRTIMP __cdecl __MINGW_NOTHROW int isalnum(int); |
| 67 |
_CRTIMP __cdecl __MINGW_NOTHROW int isalpha(int); |
| 68 |
_CRTIMP __cdecl __MINGW_NOTHROW int iscntrl(int); |
| 69 |
_CRTIMP __cdecl __MINGW_NOTHROW int isdigit(int); |
| 70 |
_CRTIMP __cdecl __MINGW_NOTHROW int isgraph(int); |
| 71 |
_CRTIMP __cdecl __MINGW_NOTHROW int islower(int); |
| 72 |
_CRTIMP __cdecl __MINGW_NOTHROW int isleadbyte (int); |
| 73 |
_CRTIMP __cdecl __MINGW_NOTHROW int isprint(int); |
| 74 |
_CRTIMP __cdecl __MINGW_NOTHROW int ispunct(int); |
| 75 |
_CRTIMP __cdecl __MINGW_NOTHROW int isspace(int); |
| 76 |
_CRTIMP __cdecl __MINGW_NOTHROW int isupper(int); |
| 77 |
_CRTIMP __cdecl __MINGW_NOTHROW int isxdigit(int); |
| 78 |
|
| 79 |
#if __STDC_VERSION__ >= 199901L || !defined __STRICT_ANSI__ |
| 80 |
__cdecl __MINGW_NOTHROW int isblank (int); |
| 81 |
#endif |
| 82 |
|
| 83 |
#ifndef __STRICT_ANSI__ |
| 84 |
_CRTIMP __cdecl __MINGW_NOTHROW int _isctype (int, int); |
| 85 |
#endif |
| 86 |
|
| 87 |
/* These are ISO-C conforming functions, with correct checking of |
| 88 |
* argument; they are exported by MSVCRT.DLL, and by CRTDLL.DLL as |
| 89 |
* such, and are NOT simply old-name mapped variants; however... |
| 90 |
*/ |
| 91 |
_CRTIMP __cdecl __MINGW_NOTHROW int tolower (int); |
| 92 |
_CRTIMP __cdecl __MINGW_NOTHROW int toupper (int); |
| 93 |
|
| 94 |
#ifndef __STRICT_ANSI__ |
| 95 |
/* ...Microsoft's beloved underscore decorated variants are also |
| 96 |
* exported. These are cheap non-standard versions: their return |
| 97 |
* values are undefined if the argument is not an ASCII character, |
| 98 |
* or is not of appropriate case for the requested conversion. |
| 99 |
* |
| 100 |
* Note that these appear to be approximately equivalent to POSIX |
| 101 |
* macros of the same names, (declared obsolescent in POSIX.1-2008), |
| 102 |
* but are implemented as DLL functions, rather than macros. |
| 103 |
*/ |
| 104 |
_CRTIMP __cdecl __MINGW_NOTHROW int _tolower (int); |
| 105 |
_CRTIMP __cdecl __MINGW_NOTHROW int _toupper (int); |
| 106 |
#endif |
| 107 |
|
| 108 |
#ifndef MB_CUR_MAX |
| 109 |
/* FIXME: also defined in stdlib.h; should be factored into ONE |
| 110 |
* location ONLY, and included into the other. |
| 111 |
*/ |
| 112 |
# ifdef __DECLSPEC_SUPPORTED |
| 113 |
# ifdef __MSVCRT__ |
| 114 |
# define MB_CUR_MAX __mb_cur_max |
| 115 |
__MINGW_IMPORT int __mb_cur_max; |
| 116 |
|
| 117 |
# else /* !__MSVCRT__ */ |
| 118 |
# define MB_CUR_MAX __mb_cur_max_dll |
| 119 |
__MINGW_IMPORT int __mb_cur_max_dll; |
| 120 |
# endif /* !__MSVCRT__ */ |
| 121 |
|
| 122 |
# else /* !__DECLSPEC_SUPPORTED */ |
| 123 |
# ifdef __MSVCRT__ |
| 124 |
# define MB_CUR_MAX (*_imp____mb_cur_max) |
| 125 |
extern int *_imp____mb_cur_max; |
| 126 |
|
| 127 |
# else /* !__MSVCRT__ */ |
| 128 |
# define MB_CUR_MAX (*_imp____mb_cur_max_dll) |
| 129 |
extern int *_imp____mb_cur_max_dll; |
| 130 |
# endif /* !__MSVCRT__ */ |
| 131 |
# endif /* __DECLSPEC_SUPPORTED */ |
| 132 |
#endif /* ! MB_CUR_MAX */ |
| 133 |
|
| 134 |
#ifdef __DECLSPEC_SUPPORTED |
| 135 |
# if __MSVCRT_VERSION__ <= __MSVCR70_DLL |
| 136 |
__MINGW_IMPORT unsigned short _ctype[]; |
| 137 |
# endif |
| 138 |
|
| 139 |
# ifdef __MSVCRT__ |
| 140 |
__MINGW_IMPORT unsigned short *_pctype; |
| 141 |
|
| 142 |
# else /* !__MSVCRT__ (implies CRTDLL) */ |
| 143 |
# define _pctype _pctype_dll |
| 144 |
__MINGW_IMPORT unsigned short *_pctype_dll; |
| 145 |
# endif |
| 146 |
|
| 147 |
#else /* !__DECLSPEC_SUPPORTED */ |
| 148 |
# if __MSVCRT_VERSION__ <= __MSVCR70_DLL |
| 149 |
# define _ctype (*_imp___ctype) |
| 150 |
extern unsigned short **_imp___ctype; |
| 151 |
# endif |
| 152 |
|
| 153 |
# ifdef __MSVCRT__ |
| 154 |
# define _pctype (*_imp___pctype) |
| 155 |
extern unsigned short **_imp___pctype; |
| 156 |
|
| 157 |
# else /* !__MSVCRT__ (implies CRTDLL) */ |
| 158 |
# define _pctype (*_imp___pctype_dll) |
| 159 |
extern unsigned short **_imp___pctype_dll; |
| 160 |
# endif /* CRTDLL */ |
| 161 |
#endif /* !__DECLSPEC_SUPPORTED */ |
| 162 |
|
| 163 |
/* Use inlines here rather than macros, because macros will upset |
| 164 |
* C++ usage (eg, ::isalnum), and so usually get undefined |
| 165 |
* |
| 166 |
* According to standard for SB chars, these function are defined only |
| 167 |
* for input values representable by unsigned char or EOF. |
| 168 |
* Thus, there is no range test. |
| 169 |
* This reproduces behaviour of MSVCRT.dll lib implemention for SB chars. |
| 170 |
* |
| 171 |
* If no MB char support is needed, these can be simplified even |
| 172 |
* more by command line define -DMB_CUR_MAX=1. The compiler will then |
| 173 |
* optimise away the constant condition. |
| 174 |
*/ |
| 175 |
|
| 176 |
#if !(defined (__NO_INLINE__) || defined (__NO_CTYPE_INLINES) \ |
| 177 |
|| defined (__STRICT_ANSI__)) |
| 178 |
|
| 179 |
/* Use simple lookup in single byte locales, else _isctype() |
| 180 |
*/ |
| 181 |
#define __ISCTYPE(c, mask) (MB_CUR_MAX == 1 ? (_pctype[c] & mask) : _isctype (c, mask)) |
| 182 |
|
| 183 |
__CRT_INLINE __cdecl __MINGW_NOTHROW int isalnum (int c) |
| 184 |
{ return __ISCTYPE(c, (_ALPHA|_DIGIT)); } |
| 185 |
|
| 186 |
__CRT_INLINE __cdecl __MINGW_NOTHROW int isalpha (int c) |
| 187 |
{ return __ISCTYPE(c, _ALPHA); } |
| 188 |
|
| 189 |
__CRT_INLINE __cdecl __MINGW_NOTHROW int iscntrl (int c) |
| 190 |
{ return __ISCTYPE(c, _CONTROL); } |
| 191 |
|
| 192 |
__CRT_INLINE __cdecl __MINGW_NOTHROW int isdigit (int c) |
| 193 |
{ return __ISCTYPE(c, _DIGIT); } |
| 194 |
|
| 195 |
__CRT_INLINE __cdecl __MINGW_NOTHROW int isgraph (int c) |
| 196 |
{ return __ISCTYPE(c, (_PUNCT|_ALPHA|_DIGIT)); } |
| 197 |
|
| 198 |
__CRT_INLINE __cdecl __MINGW_NOTHROW int islower (int c) |
| 199 |
{ return __ISCTYPE(c, _LOWER); } |
| 200 |
|
| 201 |
__CRT_INLINE __cdecl __MINGW_NOTHROW int isprint (int c) |
| 202 |
{ return __ISCTYPE(c, (_BLANK|_PUNCT|_ALPHA|_DIGIT)); } |
| 203 |
|
| 204 |
__CRT_INLINE __cdecl __MINGW_NOTHROW int ispunct (int c) |
| 205 |
{ return __ISCTYPE(c, _PUNCT); } |
| 206 |
|
| 207 |
__CRT_INLINE __cdecl __MINGW_NOTHROW int isspace (int c) |
| 208 |
{ return __ISCTYPE(c, _SPACE); } |
| 209 |
|
| 210 |
__CRT_INLINE __cdecl __MINGW_NOTHROW int isupper (int c) |
| 211 |
{ return __ISCTYPE(c, _UPPER); } |
| 212 |
|
| 213 |
__CRT_INLINE __cdecl __MINGW_NOTHROW int isxdigit (int c) |
| 214 |
{ return __ISCTYPE(c, _HEX); } |
| 215 |
|
| 216 |
#if __STDC_VERSION__ >= 199901L || !defined __STRICT_ANSI__ |
| 217 |
__CRT_INLINE __cdecl __MINGW_NOTHROW int isblank (int c) |
| 218 |
{ return (__ISCTYPE(c, _BLANK) || c == '\t'); } |
| 219 |
#endif |
| 220 |
|
| 221 |
/* These reproduce the behaviour of their DLL exported namesakes, |
| 222 |
* and thus ARE the effective equivalents of the similarly named, |
| 223 |
* and now-obsolescent, POSIX macros. |
| 224 |
*/ |
| 225 |
__CRT_INLINE __cdecl __MINGW_NOTHROW int _tolower (int c) |
| 226 |
{ return (c - 'A' + 'a'); } |
| 227 |
|
| 228 |
__CRT_INLINE __cdecl __MINGW_NOTHROW int _toupper (int c) |
| 229 |
{ return (c - 'a' + 'A'); } |
| 230 |
|
| 231 |
/* TODO: is it worth inlining ANSI tolower(), and toupper()? |
| 232 |
* Probably only if we only want C-locale. |
| 233 |
*/ |
| 234 |
#endif /* _NO_CTYPE_INLINES */ |
| 235 |
|
| 236 |
__CRT_INLINE __cdecl __MINGW_NOTHROW int isleadbyte (int c) |
| 237 |
{ return (_pctype[(unsigned char)(c)] & _LEADBYTE); } |
| 238 |
|
| 239 |
#ifndef __STRICT_ANSI__ |
| 240 |
__cdecl __MINGW_NOTHROW int __isascii (int); |
| 241 |
__cdecl __MINGW_NOTHROW int __toascii (int); |
| 242 |
__cdecl __MINGW_NOTHROW int __iscsymf (int); /* Valid as first character in a C symbol */ |
| 243 |
__cdecl __MINGW_NOTHROW int __iscsym (int); /* Valid character in C symbol (after first) */ |
| 244 |
|
| 245 |
#if !(defined (__NO_INLINE__) || defined (__NO_CTYPE_INLINES)) |
| 246 |
|
| 247 |
__CRT_INLINE __cdecl __MINGW_NOTHROW int __isascii (int c) |
| 248 |
{ return ((c & ~0x7F) == 0); } |
| 249 |
|
| 250 |
__CRT_INLINE __cdecl __MINGW_NOTHROW int __toascii (int c) |
| 251 |
{ return (c & 0x7F); } |
| 252 |
|
| 253 |
__CRT_INLINE __cdecl __MINGW_NOTHROW int __iscsymf (int c) |
| 254 |
{ return (isalpha(c) || (c == '_')); } |
| 255 |
|
| 256 |
__CRT_INLINE __cdecl __MINGW_NOTHROW int __iscsym (int c) |
| 257 |
{ return (isalnum(c) || (c == '_')); } |
| 258 |
|
| 259 |
#endif /* !__NO_CTYPE_INLINES */ |
| 260 |
|
| 261 |
#ifndef _NO_OLDNAMES |
| 262 |
/* Not _CRTIMP */ |
| 263 |
__cdecl __MINGW_NOTHROW int isascii (int); |
| 264 |
__cdecl __MINGW_NOTHROW int toascii (int); |
| 265 |
__cdecl __MINGW_NOTHROW int iscsymf (int); |
| 266 |
__cdecl __MINGW_NOTHROW int iscsym (int); |
| 267 |
#endif /* !_NO_OLDNAMES */ |
| 268 |
|
| 269 |
#endif /* !__STRICT_ANSI__ */ |
| 270 |
|
| 271 |
_END_C_DECLS |
| 272 |
|
| 273 |
#endif /* ! RC_INVOKED */ |
| 274 |
|
| 275 |
#undef __CTYPE_H_SOURCED__ |
| 276 |
#endif /* !_CTYPE_H: $RCSfile: ctype.h,v $: end of file */ |
