trampoline/lib/bio/bbuffered.c

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#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;
}