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21 lines
292 B
C
21 lines
292 B
C
#include "plan9.h"
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#include <bio.h>
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int
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Bbuffered(Biobuf *bp)
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{
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switch(bp->state) {
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case Bracteof:
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case Bractive:
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return -bp->icount;
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case Bwactive:
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return bp->bsize + bp->ocount;
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case Binactive:
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return 0;
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}
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fprint(2, "Bbuffered: unknown state %d\n", bp->state);
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return 0;
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}
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