Fix error resulting in "can't read magic" errors for empty/short files

Close #29
hillu · Dec 16, 2021 · 66e942a · 66e942a
1 parent 6239f06
commit 66e942a
Showing 1 changed file with 2 additions and 4 deletions.
diff --git a/scanner/main.go b/scanner/main.go
@@ -53,10 +53,8 @@ func handleJar(path string, ra io.ReaderAt, sz int64) {
 			// Identify class filess by magic bytes
 			buf := bytes.NewBuffer(nil)
 			if _, err := io.CopyN(buf, fr, 4); err != nil {
-				if err == io.EOF {
-					if !quiet {
-						fmt.Fprintf(logFile, "can't read magic from JAR file member: %s (%s): %v\n", path, file.Name, err)
-					}
+				if err != io.EOF && !quiet {
+					fmt.Fprintf(logFile, "can't read magic from JAR file member: %s (%s): %v\n", path, file.Name, err)
 				}
 				fr.Close()
 				continue