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# erAck: resolves https://bugzilla.redhat.com/show_bug.cgi?id=1074549
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# Based on http://hg.openjdk.java.net/jdk7u/jdk7u/jdk/rev/9d29c19f1de1
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# where a/src/share/native/sun/font/layout/LookupProcessor.cpp is
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# icu/source/layout/LookupProcessor.cpp
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# Adapted to LayoutEngine "patch" and subsequent patches.
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# Note that
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#@@ -246,7 +249,7 @@
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#- featureReferences += SWAPW(featureTable->lookupCount);
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#+ featureReferences += SWAPW(requiredFeatureTable->lookupCount);
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# was already applied with icu.8800.freeserif.crash.patch that also added
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#+ if (requiredFeatureTable.isValid()) {
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# and is a slightly enhanced version of
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# https://ssl.icu-project.org/trac/ticket/8800 and/or
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# https://ssl.icu-project.org/trac/ticket/8320
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--- prev.icu/source/layout/LookupProcessor.cpp 2014-03-11 20:46:53.288819882 +0100
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+++ icu/source/layout/LookupProcessor.cpp 2014-03-11 20:54:43.153370234 +0100
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@@ -113,7 +113,7 @@
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le_int32 LookupProcessor::selectLookups(const LEReferenceTo<FeatureTable> &featureTable, FeatureMask featureMask, le_int32 order, LEErrorCode &success)
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{
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le_uint16 lookupCount = featureTable.isValid()? SWAPW(featureTable->lookupCount) : 0;
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- le_int32 store = order;
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+ le_uint32 store = (le_uint32)order;
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LEReferenceToArrayOf<le_uint16> lookupListIndexArray(featureTable, success, featureTable->lookupListIndexArray, lookupCount);
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@@ -122,6 +122,9 @@
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if (lookupListIndex >= lookupSelectCount) {
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continue;
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}
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+ if (store >= lookupOrderCount) {
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+ continue;
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+ }
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lookupSelectArray[lookupListIndex] |= featureMask;
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lookupOrderArray[store++] = lookupListIndex;
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