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add check sanitizer

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This commit is contained in:
Han Fei 2022-12-29 23:00:55 +01:00
parent 50905e2005
commit fa1baef448
1 changed files with 1 additions and 1 deletions
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src/Dictionaries/RegExpTreeDictionary.cpp
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@ -271,7 +271,7 @@ String processBackRefs(const String & data, const re2_st::RE2 & searcher, const
searcher.Match(haystack, 0, data.size(), re2_st::RE2::Anchor::UNANCHORED, matches, 10);
for (const auto & item : pieces)
{
if (item.ref_num >= 0)
if (item.ref_num >= 0 && item.ref_num < 10)
result += matches[item.ref_num].ToString();
else
result += item.literal;