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- /*
- * This file is part of the UCB release of Plan 9. It is subject to the license
- * terms in the LICENSE file found in the top-level directory of this
- * distribution and at http://akaros.cs.berkeley.edu/files/Plan9License. No
- * part of the UCB release of Plan 9, including this file, may be copied,
- * modified, propagated, or distributed except according to the terms contained
- * in the LICENSE file.
- */
- #include <u.h>
- #include <libc.h>
- #include <bio.h>
- int64_t
- Boffset(Biobufhdr *bp)
- {
- int64_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;
- }
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