258 lines
7.7 KiB
C
258 lines
7.7 KiB
C
/*
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* ctype.h
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*
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* Functions for testing character types and converting characters.
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*
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* This file is part of the Mingw32 package.
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*
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* Contributors:
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* Created by Colin Peters <colin@bird.fu.is.saga-u.ac.jp>
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*
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* THIS SOFTWARE IS NOT COPYRIGHTED
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*
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* This source code is offered for use in the public domain. You may
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* use, modify or distribute it freely.
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*
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* This code is distributed in the hope that it will be useful but
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* WITHOUT ANY WARRANTY. ALL WARRANTIES, EXPRESS OR IMPLIED ARE HEREBY
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* DISCLAIMED. This includes but is not limited to warranties of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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*
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* $Revision$
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* $Author$
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* $Date$
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*
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*/
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#ifndef _CTYPE_H_
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#define _CTYPE_H_
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/* All the headers include this file. */
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#include <_mingw.h>
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#define __need_wchar_t
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#define __need_wint_t
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#ifndef RC_INVOKED
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#include <stddef.h>
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#endif /* Not RC_INVOKED */
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/*
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* The following flags are used to tell iswctype and _isctype what character
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* types you are looking for.
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*/
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#define _UPPER 0x0001
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#define _LOWER 0x0002
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#define _DIGIT 0x0004
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#define _SPACE 0x0008 /* HT LF VT FF CR SP */
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#define _PUNCT 0x0010
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#define _CONTROL 0x0020
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#define _BLANK 0x0040 /* this is SP only, not SP and HT as in C99 */
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#define _HEX 0x0080
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#define _LEADBYTE 0x8000
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#define _ALPHA 0x0103
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#ifndef RC_INVOKED
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#ifdef __cplusplus
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extern "C" {
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#endif
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int isalnum(int);
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int isalpha(int);
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int iscntrl(int);
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int isdigit(int);
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int isgraph(int);
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int islower(int);
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int isprint(int);
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int ispunct(int);
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int isspace(int);
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int isupper(int);
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int isxdigit(int);
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#ifndef __STRICT_ANSI__
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int _isctype (int, int);
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#endif
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/* These are the ANSI versions, with correct checking of argument */
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int tolower(int);
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int toupper(int);
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/*
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* NOTE: The above are not old name type wrappers, but functions exported
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* explicitly by MSVCRT/CRTDLL. However, underscored versions are also
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* exported.
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*/
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#ifndef __STRICT_ANSI__
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/*
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* These are the cheap non-std versions: The return values are undefined
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* if the argument is not ASCII char or is not of appropriate case
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*/
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int _tolower(int);
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int _toupper(int);
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#endif
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/* Also defined in stdlib.h */
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#ifndef MB_CUR_MAX
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#ifdef __DECLSPEC_SUPPORTED
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# ifdef __MSVCRT__
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# define MB_CUR_MAX __mb_cur_max
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__MINGW_IMPORT int __mb_cur_max;
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# else /* not __MSVCRT */
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# define MB_CUR_MAX __mb_cur_max_dll
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__MINGW_IMPORT int __mb_cur_max_dll;
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# endif /* not __MSVCRT */
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#else /* ! __DECLSPEC_SUPPORTED */
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# ifdef __MSVCRT__
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extern int* _imp____mbcur_max;
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# define MB_CUR_MAX (*_imp____mb_cur_max)
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# else /* not __MSVCRT */
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extern int* _imp____mbcur_max_dll;
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# define MB_CUR_MAX (*_imp____mb_cur_max_dll)
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# endif /* not __MSVCRT */
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#endif /* __DECLSPEC_SUPPORTED */
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#endif /* MB_CUR_MAX */
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#ifdef __DECLSPEC_SUPPORTED
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__MINGW_IMPORT unsigned short _ctype[];
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# ifdef __MSVCRT__
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__MINGW_IMPORT unsigned short* _pctype;
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# else /* CRTDLL */
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__MINGW_IMPORT unsigned short* _pctype_dll;
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# define _pctype _pctype_dll
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# endif
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#else /* __DECLSPEC_SUPPORTED */
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extern unsigned short** _imp___ctype;
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#define _ctype (*_imp___ctype)
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# ifdef __MSVCRT__
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extern unsigned short** _imp___pctype;
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# define _pctype (*_imp___pctype)
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# else /* CRTDLL */
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extern unsigned short** _imp___pctype_dll;
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# define _pctype (*_imp___pctype_dll)
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# endif /* CRTDLL */
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#endif /* __DECLSPEC_SUPPORTED */
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/*
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* Use inlines here rather than macros, because macros will upset
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* C++ usage (eg, ::isalnum), and so usually get undefined
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*
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* According to standard for SB chars, these function are defined only
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* for input values representable by unsigned char or EOF.
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* Thus, there is no range test.
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* This reproduces behaviour of MSVCRT.dll lib implemention for SB chars.
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*
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* If no MB char support is needed, these can be simplified even
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* more by command line define -DMB_CUR_MAX=1. The compiler will then
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* optimise away the constant condition.
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*/
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#if ! (defined (__NO_CTYPE_INLINES) || defined (__STRICT_ANSI__ ))
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/* use simple lookup if SB locale, else _isctype() */
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#define __ISCTYPE(c, mask) (MB_CUR_MAX == 1 ? (_pctype[c] & mask) : _isctype(c, mask))
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extern __inline__ int isalnum(int c) {return __ISCTYPE(c, (_ALPHA|_DIGIT));}
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extern __inline__ int isalpha(int c) {return __ISCTYPE(c, _ALPHA);}
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extern __inline__ int iscntrl(int c) {return __ISCTYPE(c, _CONTROL);}
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extern __inline__ int isdigit(int c) {return __ISCTYPE(c, _DIGIT);}
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extern __inline__ int isgraph(int c) {return __ISCTYPE(c, (_PUNCT|_ALPHA|_DIGIT));}
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extern __inline__ int islower(int c) {return __ISCTYPE(c, _LOWER);}
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extern __inline__ int isprint(int c) {return __ISCTYPE(c, (_BLANK|_PUNCT|_ALPHA|_DIGIT));}
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extern __inline__ int ispunct(int c) {return __ISCTYPE(c, _PUNCT);}
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extern __inline__ int isspace(int c) {return __ISCTYPE(c, _SPACE);}
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extern __inline__ int isupper(int c) {return __ISCTYPE(c, _UPPER);}
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extern __inline__ int isxdigit(int c) {return __ISCTYPE(c, _HEX);}
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/* these reproduce behaviour of lib underscored versions */
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extern __inline__ int _tolower(int c) {return ( c -'A'+'a');}
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extern __inline__ int _toupper(int c) {return ( c -'a'+'A');}
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/* TODO? Is it worth inlining ANSI tolower, toupper? Probably only
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if we only want C-locale. */
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#endif /* _NO_CTYPE_INLINES */
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/* Wide character equivalents */
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#ifndef WEOF
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#define WEOF (wchar_t)(0xFFFF)
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#endif
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#ifndef _WCTYPE_T_DEFINED
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typedef wchar_t wctype_t;
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#define _WCTYPE_T_DEFINED
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#endif
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int iswalnum(wint_t);
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int iswalpha(wint_t);
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int iswascii(wint_t);
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int iswcntrl(wint_t);
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int iswctype(wint_t, wctype_t);
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int is_wctype(wint_t, wctype_t); /* Obsolete! */
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int iswdigit(wint_t);
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int iswgraph(wint_t);
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int iswlower(wint_t);
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int iswprint(wint_t);
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int iswpunct(wint_t);
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int iswspace(wint_t);
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int iswupper(wint_t);
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int iswxdigit(wint_t);
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wchar_t towlower(wchar_t);
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wchar_t towupper(wchar_t);
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int isleadbyte (int);
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/* Also in wctype.h */
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#if ! (defined(__NO_CTYPE_INLINES) || defined(__WCTYPE_INLINES_DEFINED))
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#define __WCTYPE_INLINES_DEFINED
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extern __inline__ int iswalnum(wint_t wc) {return (iswctype(wc,_ALPHA|_DIGIT));}
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extern __inline__ int iswalpha(wint_t wc) {return (iswctype(wc,_ALPHA));}
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extern __inline__ int iswascii(wint_t wc) {return ((wc & ~0x7F) ==0);}
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extern __inline__ int iswcntrl(wint_t wc) {return (iswctype(wc,_CONTROL));}
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extern __inline__ int iswdigit(wint_t wc) {return (iswctype(wc,_DIGIT));}
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extern __inline__ int iswgraph(wint_t wc) {return (iswctype(wc,_PUNCT|_ALPHA|_DIGIT));}
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extern __inline__ int iswlower(wint_t wc) {return (iswctype(wc,_LOWER));}
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extern __inline__ int iswprint(wint_t wc) {return (iswctype(wc,_BLANK|_PUNCT|_ALPHA|_DIGIT));}
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extern __inline__ int iswpunct(wint_t wc) {return (iswctype(wc,_PUNCT));}
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extern __inline__ int iswspace(wint_t wc) {return (iswctype(wc,_SPACE));}
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extern __inline__ int iswupper(wint_t wc) {return (iswctype(wc,_UPPER));}
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extern __inline__ int iswxdigit(wint_t wc) {return (iswctype(wc,_HEX));}
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extern __inline__ int isleadbyte(int c) {return (_pctype[(unsigned char)(c)] & _LEADBYTE);}
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#endif /* !(defined(__NO_CTYPE_INLINES) || defined(__WCTYPE_INLINES_DEFINED)) */
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#ifndef __STRICT_ANSI__
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int __isascii (int);
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int __toascii (int);
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int __iscsymf (int); /* Valid first character in C symbol */
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int __iscsym (int); /* Valid character in C symbol (after first) */
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#ifndef __NO_CTYPE_INLINES
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extern __inline__ int __isascii(int c) {return ((c & ~0x7F) == 0);}
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extern __inline__ int __toascii(int c) {return (c & 0x7F);}
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extern __inline__ int __iscsymf(int c) {return (isalpha(c) || (c == '_'));}
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extern __inline__ int __iscsym(int c) {return (isalnum(c) || (c == '_'));}
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#endif /* __NO_CTYPE_INLINES */
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#ifndef _NO_OLDNAMES
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int isascii (int);
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int toascii (int);
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int iscsymf (int);
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int iscsym (int);
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#endif /* Not _NO_OLDNAMES */
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#endif /* Not __STRICT_ANSI__ */
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#ifdef __cplusplus
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}
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#endif
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#endif /* Not RC_INVOKED */
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#endif /* Not _CTYPE_H_ */
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