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Merge "Add boundary check for SparseTable."

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Keisuke Kuroyanagi 2014-03-24 09:51:25 +00:00 committed by Android (Google) Code Review
parent cbed462d19 ef665816d0
commit 9695342ff6
1 changed files with 6 additions and 0 deletions
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6
native/jni/src/suggest/policyimpl/dictionary/utils/sparse_table.cpp
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@ -34,6 +34,12 @@ uint32_t SparseTable::get(const int id) const {
const int indexTableReadingPos = getPosInIndexTable(id);
const int index = mIndexTableBuffer->readUint(INDEX_SIZE, indexTableReadingPos);
const int contentTableReadingPos = getPosInContentTable(id, index);
if (contentTableReadingPos < 0
|| contentTableReadingPos >= mContentTableBuffer->getTailPosition()) {
AKLOGE("contentTableReadingPos(%d) is invalid. id: %d, index: %d",
contentTableReadingPos, id, index);
return NOT_A_DICT_POS;
}
const int contentValue = mContentTableBuffer->readUint(mDataSize, contentTableReadingPos);
return contentValue == NOT_EXIST ? NOT_A_DICT_POS : contentValue;
}