Leaked source code of windows server 2003
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/***
*mbclevel.c - Tests if char is hiragana, katakana, alphabet or digit.
*
* Copyright (c) 1985-2001, Microsoft Corporation. All rights reserved.
*
*Purpose:
* Tests for the various industry defined levels of Microsoft Kanji
* Code.
*
*Revision History:
* 11-19-92 KRS Ported from 16-bit sources.
* 09-24-93 CFW Removed #ifdef _KANJI
* 09-29-93 CFW Return false if not Kanji code page.
* 10-05-93 GJF Replace _CRTAPI1 with __cdecl.
* 07-26-94 CFW Bug fix #14685, add 0xEA9F-0xEAA4 to JIS-Kanji level 2.
* 04-24-98 GJF Implemented multithread support based on threadmbcinfo
* structs
*
*******************************************************************************/
#ifdef _MBCS
#include <cruntime.h>
#include <mbdata.h>
#include <mbstring.h>
#include <mbctype.h>
#include <mtdll.h>
/***
*int _ismbcl0(c) - Tests if char is hiragana, katakana, alphabet or digit.
*
*Purpose:
* Tests if a given char is hiragana, katakana, alphabet, digit or symbol
* of Microsoft Kanji code.
*
*Entry:
* unsigned int c - Character to test.
*
*Exit:
* Returns non-zero if 0x8140 <= c <= 0x889E, else 0.
*
*Exceptions:
*
*******************************************************************************/
int __cdecl _ismbcl0(
unsigned int c
)
{
#ifdef _MT
pthreadmbcinfo ptmbci = _getptd()->ptmbcinfo;
if ( ptmbci != __ptmbcinfo )
ptmbci = __updatetmbcinfo();
return( (ptmbci->mbcodepage == _KANJI_CP) &&
(__ismbblead_mt(ptmbci, c >> 8)) &&
(__ismbbtrail_mt(ptmbci, c & 0x0ff)) &&
(c < 0x889f) );
#else
return( (__mbcodepage == _KANJI_CP) && (_ismbblead(c >> 8)) &&
(_ismbbtrail(c & 0x0ff)) && (c < 0x889f) );
#endif
}
/***
*int _ismbcl1(c) - Tests for 1st-level Microsoft Kanji code set.
*
*Purpose:
* Tests if a given char belongs to Microsoft 1st-level Kanji code set.
*
*Entry:
* unsigned int c - character to test.
*
*Exit:
* Returns non-zero if 1st-level, else 0.
*
*Exceptions:
*
*******************************************************************************/
int __cdecl _ismbcl1(
unsigned int c
)
{
#ifdef _MT
pthreadmbcinfo ptmbci = _getptd()->ptmbcinfo;
if ( ptmbci != __ptmbcinfo )
ptmbci = __updatetmbcinfo();
return( (ptmbci->mbcodepage == _KANJI_CP) &&
(__ismbblead_mt(ptmbci, c >> 8)) &&
(__ismbbtrail_mt(ptmbci, c & 0x0ff)) &&
(c >= 0x889f) && (c <= 0x9872) );
#else
return( (__mbcodepage == _KANJI_CP) && (_ismbblead(c >> 8)) &&
(_ismbbtrail(c & 0x0ff)) && (c >= 0x889f) && (c <= 0x9872) );
#endif
}
/***
*int _ismbcl2(c) - Tests for a 2nd-level Microsoft Kanji code character.
*
*Purpose:
* Tests if a given char belongs to the Microsoft 2nd-level Kanji code set.
*
*Entry:
* unsigned int c - character to test.
*
*Exit:
* Returns non-zero if 2nd-level, else 0.
*
*Exceptions:
*
*******************************************************************************/
int __cdecl _ismbcl2(
unsigned int c
)
{
#ifdef _MT
pthreadmbcinfo ptmbci = _getptd()->ptmbcinfo;
if ( ptmbci != __ptmbcinfo )
ptmbci = __updatetmbcinfo();
return( (ptmbci->mbcodepage == _KANJI_CP) &&
(__ismbblead_mt(ptmbci, c >> 8)) &&
(__ismbbtrail_mt(ptmbci, c & 0x0ff)) &&
(c >= 0x989f) && (c <= 0xEAA4) );
#else
return( (__mbcodepage == _KANJI_CP) && (_ismbblead(c >> 8)) &&
(_ismbbtrail(c & 0x0ff)) && (c >= 0x989f) && (c <= 0xEAA4) );
#endif
}
#endif /* _MBCS */