shithub: riscv

ref: 65e0e1c3e37c966d0c18178ad8a4c54c0c0fbce9
dir: /sys/src/libbio/boffset.c/

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#include	<u.h>
#include	<libc.h>
#include	<bio.h>

vlong
Boffset(Biobufhdr *bp)
{
	vlong 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;
}