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app_server: fix stack overflow crash if too many windows are tiled

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Fixes #15796.

Change-Id: I24c29215116e6bad37f0a56e141d6fc26bbe4fb2
Reviewed-on: https://review.haiku-os.org/c/haiku/+/2680
Reviewed-by: Adrien Destugues <pulkomandy@gmail.com>
This commit is contained in:
X512 2020-05-11 16:44:56 +09:00 committed by waddlesplash
parent f12419a91d
commit 83bd4fdac3
1 changed files with 2 additions and 0 deletions
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2
src/servers/app/decorator/TabDecorator.cpp
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@ -439,6 +439,8 @@ TabDecorator::_DistributeTabSize(float delta)
} }
float minus = ceilf(std::min(maxTabSize - secMaxTabSize, delta)); float minus = ceilf(std::min(maxTabSize - secMaxTabSize, delta));
if (minus < 1.0)
return;
delta -= minus; delta -= minus;
minus /= nTabsWithMaxSize; minus /= nTabsWithMaxSize;