Method c_ptr

include/sql_string.h:251–261

  const char *ptr() const { return m_ptr; }
  char *ptr() { return m_ptr; }
  char *c_ptr() {
    assert(!m_is_alloced || !m_ptr || !m_alloced_length ||
           (m_alloced_length >= (m_length + 1)));

    /*
      Should be safe, but in case valgrind complains on this line, it means
      there is a misuse of c_ptr(). Please prefer <ptr(), length()> instead.
    */
    if (!m_ptr || m_ptr[m_length]) (void)mem_realloc(m_length);
    return m_ptr;
  }
  char *c_ptr_quick() {
    if (m_ptr && m_length < m_alloced_length) m_ptr[m_length] = 0;
    return m_ptr;