wmii/libbio/boffset.c

26 lines
343 B
C

#include "plan9.h"
#include <bio.h>
off_t
Boffset(Biobuf *bp)
{
off_t n;
switch(bp->state) {
default:
fprint(2, "Boffset: unknown state %d\n", bp->state);
n = Beof;
break;
case Bracteof:
case Bractive:
n = bp->offset + bp->icount;
break;
case Bwactive:
n = bp->offset + (bp->bsize + bp->ocount);
break;
}
return n;
}