func: static void goodG2B() wchar_t * data ; map < int , wchar_t * > dataMap ; data = NULL; wchar_t * dataBuffer = ( wchar_t * ) malloc ( 100 * sizeof ( wchar_t ) ) ; wmemset ( dataBuffer , L 'A' , 100 - 1 dataBuffer [ 100 - 1 ] = L '\0' data = dataBuffer; dataMap [ 0 ] = data; dataMap [ 1 ] = data; dataMap [ 2 ] = data; goodG2BSink ( dataMap ); void goodG2BSink(map<int, wchar_t *> dataMap) wchar_t * data = dataMap [ 2 ] ; free ( data ); 