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2011-03-25Fix some 'impossible' overflow bugs in byte countingNick Mathewson
The first was genuinely impossible, I think: it could only happen when the amount we read differed from the amount we wanted to read by more than INT_MAX. The second is just very unlikely: it would give incorrect results to the controller if you somehow wrote or read more than 4GB on one edge conn in one second. That one is a bugfix on 0.1.2.8-beta.