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Bug 265857. Make sure we never split blocks when height is unconstrained, even if integer overflow in y-coord calculations makes it look like we're out of space. r+sr=bzbarsky

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git-svn-id: svn://10.0.0.236/trunk@168324 18797224-902f-48f8-a5cc-f745e15eee43
This commit is contained in:
roc+%cs.cmu.edu 2005-01-25 22:20:35 +00:00
parent 22b4bca9c1
commit 9b5587fb9c
1 changed files with 8 additions and 3 deletions
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11
mozilla/layout/generic/nsBlockReflowContext.cpp
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@ -700,9 +700,14 @@ nsBlockReflowContext::PlaceBlock(const nsHTMLReflowState& aReflowState,
aCombinedRect.y += y;
}
else {
// See if the frame fit. If its the first frame then it always
// fits.
if (aForceFit || (y + mMetrics.height <= mSpace.YMost()))
// See if the frame fit. If it's the first frame then it always
// fits. If the height is unconstrained then it always fits, even
// if there's some sort of integer overflow that makes
// y + mMetrics.height appear to go beyond the available height.
// XXX This is a bit of a hack. We really need to use floats in layout!
if (aForceFit ||
mSpace.height == NS_UNCONSTRAINEDSIZE ||
y + mMetrics.height <= mSpace.YMost())
{
// Calculate the actual x-offset and left and right margin
nsBlockHorizontalAlign align;