blob: dfc0cf5351844799e708ca50dd5622e0d26fe734 [file] [log] [blame]
#include "lib9.h"
#include <bio.h>
int
Bbuffered(Biobuf *bp)
{
switch(bp->state) {
case Bracteof:
case Bractive:
return -bp->icount;
case Bwactive:
return bp->bsize + bp->ocount;
case Binactive:
return 0;
}
fprint(2, "Bbuffered: unknown state %d\n", bp->state);
return 0;
}