Protected
virtual int doallocate();
END Protected
Return Value
Called by allocate when space is needed. The doallocate function must allocate a reserve area, then call setb to attach the reserve area to the streambuf object. If the reserve area allocation fails, doallocate returns EOF.
Remarks
By default, this function attempts to allocate a reserve area using operator new.
streambuf Overview | Stream Buffer Classes
See Also streambuf::allocate, streambuf::setb