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Fix assert() condition in evbuffer_drain() for IOCP

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In the case of iocp, in the for loop above, there is a situation where:
  remaining == chain->off == 0

And this happens due to CHAIN_PINNED_R() case (that is used only in
buffer_iocp.c)

Closes: #630 (picked)
(cherry picked from commit ab3224c3e66cf92779f8bd91ffe90445e636fa50)
This commit is contained in:
SuckShit 2018-04-20 15:48:32 +08:00 committed by Azat Khuzhin
parent 8886eed498
commit d632610468
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1 changed files with 1 additions and 1 deletions
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buffer.c
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@ -1146,7 +1146,7 @@ evbuffer_drain(struct evbuffer *buf, size_t len)
} }
buf->first = chain; buf->first = chain;
EVUTIL_ASSERT(remaining < chain->off); EVUTIL_ASSERT(remaining <= chain->off);
chain->misalign += remaining; chain->misalign += remaining;
chain->off -= remaining; chain->off -= remaining;
} }