func (e *clEngine) Scan(file *os.File) error {
e.mtx.Lock()
defer e.mtx.Unlock()
var ret C.int
var fd C.int = C.int(file.Fd())
var virname *C.char
var size C.ulong = 0
// Scan file
var virName string
ret = C.cl_scandesc(fd, &virname, &size, e.engine, C.CL_SCAN_STDOPT)
if ret == C.CL_VIRUS {
virName = C.GoString(virname)
} else if ret == C.CL_CLEAN {
// do nothing
} else {
return fmt.Errorf("error scanning file: %s", C.GoString(C.cl_strerror(ret)))
}
if len(virName) > 0 {
return &VirusError{
VirusName: virName,
BytesScanned: uint64(size * C.CL_COUNT_PRECISION),
}
}
return nil
}
func (e *Engine) ScanDesc(desc int, opts uint) (string, uint, error) {
var name *C.char
var scanned C.ulong
err := ErrorCode(C.cl_scandesc(C.int(desc), &name, &scanned, (*C.struct_cl_engine)(e), C.uint(opts)))
if err == Success {
return "", 0, nil
}
if err == Virus {
return C.GoString(name), uint(scanned), fmt.Errorf(StrError(err))
}
return "", 0, fmt.Errorf(StrError(err))
}