mbclen.c

C标准库源代码

/***
*mbclen.c - Find length of MBCS character
*
*       Copyright (c) 1985-1997, Microsoft Corporation. All rights reserved.
*
*Purpose:
*       Find length of MBCS character
*
*******************************************************************************/

#include <cruntime.h>
#include <mbdata.h>
#include <mbctype.h>
#include <mbstring.h>
#include <stddef.h>


/***
* _mbclen - Find length of MBCS character
*
*Purpose:
*       Find the length of the MBCS character (in bytes).
*
*Entry:
*       unsigned char *c = MBCS character
*
*Exit:
*       Returns the number of bytes in the MBCS character
*
*Exceptions:
*
*******************************************************************************/

size_t __cdecl _mbclen(
    const unsigned char *c
    )

{
        return (_ISLEADBYTE(*c))  ? 2 : 1;
}