#include <corecrt_internal_mbstring.h>
#include <limits.h>
#include <locale.h>
#include <string.h>

Include dependency graph for mbsncoll.cpp:

Functions
int __cdecl	_mbsncoll_l (const unsigned char s1, const unsigned char s2, size_t n, _locale_t plocinfo)

	int (__cdecl _mbsncoll)(const unsigned char *s1

Variables
const unsigned char *	s2

const unsigned char size_t	n

Function Documentation

◆ _mbsncoll_l()

int __cdecl _mbsncoll_l	(	const unsigned char *	s1,
		const unsigned char *	s2,
		size_t	n,
		_locale_t	plocinfo
	)

Definition at line 41 of file mbsncoll.cpp.

{
        int ret;
        size_t bcnt1, bcnt2;
        _LocaleUpdate _loc_update(plocinfo);
 
        if (n == 0)
            return 0;
 
        /* validation section */
        _VALIDATE_RETURN(s1 != nullptr, EINVAL, _NLSCMPERROR);
        _VALIDATE_RETURN(s2 != nullptr, EINVAL, _NLSCMPERROR);
        _VALIDATE_RETURN(n <= INT_MAX, EINVAL, _NLSCMPERROR);
 
        if (_loc_update.GetLocaleT()->mbcinfo->ismbcodepage == 0)
            return _strncoll_l((const char *)s1, (const char *)s2, n, plocinfo);
 
        bcnt1 = _mbsnbcnt_l(s1, n, _loc_update.GetLocaleT());
        bcnt2 = _mbsnbcnt_l(s2, n, _loc_update.GetLocaleT());
 
        if ( 0 == (ret = __acrt_CompareStringA(
                        _loc_update.GetLocaleT(),
                        _loc_update.GetLocaleT()->mbcinfo->mblocalename,
                        SORT_STRINGSORT,
                        (const char *)s1,
                        (int)bcnt1,
                        (char *)s2,
                        (int)bcnt2,
                        _loc_update.GetLocaleT()->mbcinfo->mbcodepage )) )
        {
            errno = EINVAL;
            return _NLSCMPERROR;
        }
 
        return ret - 2;
 
}