1 #include <u.h> 2 #include <libc.h> 3 #include <bio.h> 4 5 vlong Boffset(Biobufhdr * bp)6Boffset(Biobufhdr *bp) 7 { 8 vlong n; 9 10 switch(bp->state) { 11 default: 12 fprint(2, "Boffset: unknown state %d\n", bp->state); 13 n = Beof; 14 break; 15 16 case Bracteof: 17 case Bractive: 18 n = bp->offset + bp->icount; 19 break; 20 21 case Bwactive: 22 n = bp->offset + (bp->bsize + bp->ocount); 23 break; 24 } 25 return n; 26 } 27