stream_buf_get_used

stream_buffer.h

size_t stream_buf_get_used( stream_buf_t xStreamBuffer );

Queries a stream buffer to see how much data it contains, which is equal to the number of bytes that can be read from the stream buffer before the stream buffer would be empty.

Parameters

xStreamBuffer

The handle of the stream buffer being queried.

Returns

The number of bytes that can be read from the stream buffer before the stream buffer would be empty.