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Merge "Fix a memory corruption issue when vector resize"

This commit is contained in:
Dan Stoza 2015-04-14 17:50:39 +00:00 committed by Gerrit Code Review
parent dfc30ae393 aef0445c6f
commit a3f8c2aaf1
1 changed files with 17 additions and 18 deletions
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35
libs/ui/Region.cpp
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@ -130,43 +130,42 @@ static void reverseRectsResolvingJunctions(const Rect* begin, const Rect* end,
// prevIndex can't be -1 here because if endLastSpan is set to a
// value greater than -1 (allowing the loop to execute),
// beginLastSpan (and therefore prevIndex) will also be increased
const Rect* prev = &dst[static_cast<size_t>(prevIndex)];
const Rect prev = dst[static_cast<size_t>(prevIndex)];
if (spanDirection == direction_RTL) {
// iterating over previous span RTL, quit if it's too far left
if (prev->right <= left) break;
if (prev.right <= left) break;
if (prev->right > left && prev->right < right) {
dst.add(Rect(prev->right, top, right, bottom));
right = prev->right;
if (prev.right > left && prev.right < right) {
dst.add(Rect(prev.right, top, right, bottom));
right = prev.right;
}
if (prev->left > left && prev->left < right) {
dst.add(Rect(prev->left, top, right, bottom));
right = prev->left;
if (prev.left > left && prev.left < right) {
dst.add(Rect(prev.left, top, right, bottom));
right = prev.left;
}
// if an entry in the previous span is too far right, nothing further left in the
// current span will need it
if (prev->left >= right) {
if (prev.left >= right) {
beginLastSpan = prevIndex;
}
} else {
// iterating over previous span LTR, quit if it's too far right
if (prev->left >= right) break;
if (prev.left >= right) break;
if (prev->left > left && prev->left < right) {
dst.add(Rect(left, top, prev->left, bottom));
left = prev->left;
if (prev.left > left && prev.left < right) {
dst.add(Rect(left, top, prev.left, bottom));
left = prev.left;
}
if (prev->right > left && prev->right < right) {
dst.add(Rect(left, top, prev->right, bottom));
left = prev->right;
if (prev.right > left && prev.right < right) {
dst.add(Rect(left, top, prev.right, bottom));
left = prev.right;
}
// if an entry in the previous span is too far left, nothing further right in the
// current span will need it
if (prev->right <= left) {
if (prev.right <= left) {
beginLastSpan = prevIndex;
}
}