Olivier Houchard a04e40d578 MINOR: buffer: Add b_set_data().
Add a new function that lets you set the amount of input in a buffer.
For now it extends/truncates b->i except if the total length is
below b->o in which case it clears i and adjusts o.
2018-07-19 16:23:39 +02:00
..
2018-07-19 16:23:39 +02:00