ismbstr.cpp File Reference

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

Include dependency graph for ismbstr.cpp:

Go to the source code of this file.

Macros
#define	_ALLOW_OLD_VALIDATE_MACROS

Functions
int __cdecl	_ismbstrail_l (unsigned char const *string, unsigned char const *current, _locale_t const locale)
int __cdecl	_ismbstrail (unsigned char const *const string, unsigned char const *const current)

Macro Definition Documentation

_ALLOW_OLD_VALIDATE_MACROS

#define _ALLOW_OLD_VALIDATE_MACROS

Definition at line 22 of file ismbstr.cpp.

Function Documentation

_ismbstrail()

int __cdecl _ismbstrail	(	unsigned char const *const	string,
		unsigned char const *const	current
	)

Definition at line 58 of file ismbstr.cpp.

{
    return _ismbstrail_l(string, current, nullptr);
}

Referenced by common_mktemp_s_continue(), and test_mbcp().

_ismbstrail_l()

int __cdecl _ismbstrail_l	(	unsigned char const *	string,
		unsigned char const *	current,
		_locale_t const	locale
	)

Definition at line 28 of file ismbstr.cpp.

{
    _VALIDATE_RETURN(string != nullptr,  EINVAL, 0);
    _VALIDATE_RETURN(current != nullptr, EINVAL, 0);
 
    _LocaleUpdate locale_update(locale);
 
    if (locale_update.GetLocaleT()->mbcinfo->ismbcodepage == 0)
        return 0;
 
    while (string <= current && *string)
    {
        if (_ismbblead_l((*string), locale_update.GetLocaleT()))
        {
            if (++string == current) // check trail byte
                return -1;
 
            if (*string == 0)
                return 0;
        }
        ++string;
    }
 
    return 0;
}

Referenced by _ismbstrail().