const_cast<FileReader*>(this)->m_Filename = filename;
const_cast<FileReader*>(this)->m_Handle = open(filename, O_RDONLY, 0);
return ( m_Handle == -1L ) ? RESULT_FILEOPEN : RESULT_OK;
const_cast<FileReader*>(this)->m_Filename = filename;
const_cast<FileReader*>(this)->m_Handle = open(filename, O_RDONLY, 0);
return ( m_Handle == -1L ) ? RESULT_FILEOPEN : RESULT_OK;