Merge pull request #2 from ndrpnt/main

Make Free() return Go error instead of C error code

.gitattributes

@@ -0,0 +1 @@
+*.yar linguist-vendored

clamav.go

@@ -176,8 +176,12 @@ func (c *Clamav) EngineGetNum(field EngineField) (uint64, error) {
 
 // Free the memory allocated to clamav instance, Free should be called
 // when the engine is no longer in use.
-func (c *Clamav) Free() int {
+func (c *Clamav) Free() error {
-	return int(C.cl_engine_free((*C.struct_cl_engine)(c.engine)))
+	ret := ErrorCode(C.cl_engine_free((*C.struct_cl_engine)(c.engine)))
+	if ret == CL_SUCCESS {
+		return nil
+	}
+	return Strerr(ret)
 }
 
 // ScanMapCB scans custom data
@@ -198,7 +202,7 @@ func (c *Clamav) ScanMapCB(fmap *Fmap, fileName string, context interface{}) (ui
 	defer CloseMemory(fmap)
 	// clean
 	if ret == CL_SUCCESS {
-		return 0, "", nil
+		return uint(scanned), "", nil
 	}
 	// virus
 	if ret == CL_VIRUS {