func (e *clEngine) Compile(cvdDir string) error {
e.mtx.Lock()
defer e.mtx.Unlock()
if e.IsCompiled() {
return ErrAlreadyCompiled
}
// Create new engine
e.engine = C.cl_engine_new()
if e.engine == nil {
return errors.New("failed to create new clamav engine")
}
// Load signatures
var ret C.int
var sigs C.uint = 0
ret = C.cl_load(C.CString(cvdDir), e.engine, &sigs, C.CL_DB_STDOPT)
if ret != C.CL_SUCCESS {
return fmt.Errorf("could not load vcds: %s", C.GoString(C.cl_strerror(ret)))
}
// Compile engine
ret = C.cl_engine_compile(e.engine)
if ret != C.CL_SUCCESS {
return fmt.Errorf("could not compile engine: %s", C.GoString(C.cl_strerror(ret)))
}
atomic.StoreInt32(&e.compiled, 1)
return nil
}
// New allocates a new ClamAV engine.
func New() *Engine {
eng := (*Engine)(C.cl_engine_new())
return eng
}