Method GetReadableSpace

src/ByteBuffer.cpp:256–269

Returns the number of bytes that are currently available for reading (may be less than UsedSpace due to some data having been read already)

/// Returns the number of bytes that are currently available for reading (may be less than UsedSpace due to some data having been read already)
size_t cByteBuffer::GetReadableSpace(void) const
{
	CHECK_THREAD;
	CheckValid();
	if (m_ReadPos > m_WritePos)
	{
		// Wrap around the buffer end:
		ASSERT(m_BufferSize >= m_ReadPos);
		return m_BufferSize - m_ReadPos + m_WritePos;
	}
	// Single readable space partition:
	ASSERT(m_WritePos >= m_ReadPos);
	return m_WritePos - m_ReadPos ;
}