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Improve CUtlStringToken string constructor

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Prevent hashing attempts on emtpy or null strings
This commit is contained in:
GAMMACASE
2024-10-04 03:25:10 +03:00
parent 40a9bb9c02
commit 9f1d960f6a
1 changed files with 7 additions and 3 deletions
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10
public/tier1/utlstringtoken.h
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@ -31,11 +31,15 @@ class CUtlStringToken
{ {
public: public:
FORCEINLINE CUtlStringToken( uint32 nHashCode = 0 ) : m_nHashCode( nHashCode ) {} FORCEINLINE CUtlStringToken( uint32 nHashCode = 0 ) : m_nHashCode( nHashCode ) {}
FORCEINLINE CUtlStringToken( const char *str ) : m_nHashCode( MurmurHash2LowerCase( str, STRINGTOKEN_MURMURHASH_SEED ) ) FORCEINLINE CUtlStringToken( const char *str ) : m_nHashCode( 0 )
{ {
if(g_bUpdateStringTokenDatabase) if(str && *str)
{ {
RegisterStringToken( m_nHashCode, str, 0, true ); m_nHashCode = MurmurHash2LowerCase( str, STRINGTOKEN_MURMURHASH_SEED );
if(g_bUpdateStringTokenDatabase)
{
RegisterStringToken( m_nHashCode, str, 0, true );
}
} }
} }