#include "stdafx.h"

string __wstring2string(const wstring &str)
{
    size_t buf_length = str.length() + 1;
    char *buf = new (std::nothrow) char[buf_length];
    size_t nCount;

    if (NULL == buf)
    {
        return string();
    }

    if (0 != wcstombs_s(&nCount, buf, buf_length, str.c_str(), buf_length))
    { // Return empty string in case of failure
        buf[0] = 0;
    }

    string result(buf);
    delete[] buf;
    return result;
}

wstring __string2wstring(const string &str)
{
    size_t buf_length = str.length() + 1;
    wchar_t *buf = new (std::nothrow) wchar_t[buf_length];
    size_t nCount;

    if (NULL == buf)
    {
        return wstring();
    }

    if (0 != mbstowcs_s(&nCount, buf, buf_length, str.c_str(), buf_length))
    { // Return empty string in case of failure
        buf[0] = 0;
    }

    wstring result(buf);
    delete[] buf;
    return result;
}