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Don't attempt adding very large words into index, they are usually a sign of malformed dictionary and can consume huge amount of resources.

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Konstantin Isakov 2011-07-26 21:26:59 -07:00
parent 79dbce2bb3
commit 004f9f9a36
1 changed files with 5 additions and 0 deletions
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btreeidx.cc
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@ -899,6 +899,11 @@ void IndexedWords::addWord( wstring const & word, uint32_t articleOffset )
wchar const * wordBegin = word.c_str(); wchar const * wordBegin = word.c_str();
string::size_type wordSize = word.size(); string::size_type wordSize = word.size();
// Safeguard us against various bugs here. Don't attempt adding words
// which are freakishly huge.
if ( wordSize > 256 )
return;
// Skip any leading whitespace // Skip any leading whitespace
while( *wordBegin && Folding::isWhitespace( *wordBegin ) ) while( *wordBegin && Folding::isWhitespace( *wordBegin ) )
{ {