Remove Range header after Seek to origin

api-get-object.go

@@ -197,7 +197,7 @@ func (c *Client) GetObject(ctx context.Context, bucketName, objectName string, o
 						if req.isReadAt {
 							// Range is set with respect to the offset and length of the buffer requested.
 							opts.SetRange(req.Offset, req.Offset+int64(len(req.Buffer))-1)
-						} else if req.Offset > 0 { // Range is set with respect to the offset.
+						} else { // Range is set with respect to the offset.
 							opts.SetRange(req.Offset, 0)
 						}
 						httpReader, objectInfo, _, err = c.getObject(ctx, bucketName, objectName, opts)

api-get-options.go

@@ -113,6 +113,10 @@ func (o *GetObjectOptions) SetModified(modTime time.Time) error {
 // See https://tools.ietf.org/html/rfc7233#section-3.1 for reference.
 func (o *GetObjectOptions) SetRange(start, end int64) error {
 	switch {
+	case start == 0 && end == 0:
+		if o.headers != nil {
+			delete(o.headers, "Range")
+		}
 	case start == 0 && end < 0:
 		// Read last '-end' bytes. `bytes=-N`.
 		o.Set("Range", fmt.Sprintf("bytes=%d", end))