_M_decr()

template<class _CharT, class _Alloc>

void __gnu_cxx::_Rope_iterator_base< _CharT, _Alloc >::_M_decr ( std::size_t __n )

protected

Definition at line 274 of file ropeimpl.h.

    {
      if (0 != _M_buf_ptr)
      {
        std::size_t __chars_left = _M_buf_ptr - _M_buf_start;
        if (__chars_left >= __n)
          _M_buf_ptr -= __n;
        else
          _M_buf_ptr = 0;
      }
      _M_current_pos -= __n;
    }

References _M_buf_ptr, _M_buf_start, and _M_current_pos.

Referenced by __gnu_cxx::_Rope_const_iterator< _CharT, _Alloc >::operator+=(), __gnu_cxx::_Rope_iterator< _CharT, _Alloc >::operator+=(), __gnu_cxx::_Rope_const_iterator< _CharT, _Alloc >::operator--(), __gnu_cxx::_Rope_const_iterator< _CharT, _Alloc >::operator--(), __gnu_cxx::_Rope_iterator< _CharT, _Alloc >::operator--(), __gnu_cxx::_Rope_iterator< _CharT, _Alloc >::operator--(), __gnu_cxx::_Rope_const_iterator< _CharT, _Alloc >::operator-=(), and __gnu_cxx::_Rope_iterator< _CharT, _Alloc >::operator-=().

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