36 lines
776 B
C
36 lines
776 B
C
/*
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* This file is part of the UCB release of Plan 9. It is subject to the license
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* terms in the LICENSE file found in the top-level directory of this
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* distribution and at http://akaros.cs.berkeley.edu/files/Plan9License. No
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* part of the UCB release of Plan 9, including this file, may be copied,
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* modified, propagated, or distributed except according to the terms contained
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* in the LICENSE file.
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*/
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#include <u.h>
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#include <lib9.h>
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#include <bio.h>
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int64_t
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Boffset(Biobufhdr *bp)
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{
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int64_t n;
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switch(bp->state) {
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default:
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fprint(2, "Boffset: unknown state %d\n", bp->state);
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n = Beof;
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break;
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case Bracteof:
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case Bractive:
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n = bp->offset + bp->icount;
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break;
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case Bwactive:
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n = bp->offset + (bp->bsize + bp->ocount);
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break;
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}
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return n;
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}
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