func: static void goodB2G2() char * data ; char dataBuffer [ 100 ] = "" ; data = dataBuffer; size_t dataLen = strlen ( data ) ; char * environment = GETENV ( ENV_VARIABLE ) ; if ( environment != NULL )  strncat ( data + dataLen , environment , 100 - dataLen - 1 ); CWE134_Uncontrolled_Format_String__char_environment_printf_22_goodB2G2Sink ( data ); void CWE134_Uncontrolled_Format_String__char_environment_printf_22_goodB2G2Sink(char * data) printf ( "%s\n" , data ); 