Method OpenLog

UTCP/src/uh_ctrl.cpp:1471–1513

OpenLog Internal function Opens up the history log file for writing. Params none Return 0 - (UH_SUCCESS) 1 - (UH_ERROR) ***********************************************/

    1 - (UH_ERROR)
***********************************************/
int CUH_Control::OpenLog(){

    CloseLog();

    if(m_timeStampedLog){
        //get the date string
        time_t  t           = time(NULL);
        struct tm * systime = localtime(&t);
        _TCHAR strDate[30];
        m_logDay    = systime->tm_mday;
        m_logMonth  = systime->tm_mon;
        m_logYear   = systime->tm_year;
        _sntprintf(strDate,sizeof(strDate)/sizeof(_TCHAR)-1,_T("%2.2d%2.2d%4.4d"),systime->tm_mday,systime->tm_mon+1,
            systime->tm_year+1900);

        //find the .
        int pos;
        int len = (int)_tcslen(m_logName);
        for(pos = 0; pos < len; pos++){
            if(m_logName[pos] == '.')
                break;
        }

        //add the date string just before the . in the filename
        _TCHAR * buf = new _TCHAR[len+10];
        _tcscpy(buf,m_logName);
        buf[pos] =0;
        _tcscat(buf,strDate);
        _tcscat(buf,&m_logName[pos]);

        m_fileHandle = _tfopen(buf,_T("a+"));

        delete[] buf;
    }
    else{
        m_fileHandle = _tfopen(m_logName,_T("a+"));
    }

    if(m_fileHandle == NULL)
        return UH_ERROR;

    return UH_SUCCESS;
}

/**********************************************
CloseLog