BloombergLP::bdlsb::OverflowMemOutStreamBuf::dataLengthInOverflowBuffer

Return the length of the data in the overflow buffer, i.e., 0 if there is no overflow buffer, or dataLength() - initialBufferSize() if there is one.

Synopsis

Declared in <bdlsb_overflowmemoutstreambuf.h>

std::size_t
dataLengthInOverflowBuffer() const;

Return Value

length of data in the overflow buffer