Return error if dup buf is not empty

2017-07-22 13:08:08 -06:00
parent 3342778968
commit f40f6921e8
1 changed files with 5 additions and 1 deletions
@@ -398,9 +398,13 @@ impl Scheme for FileScheme {

    /* Resource operations */
    #[allow(unused_variables)]
-    fn dup(&self, old_id: usize, _buf: &[u8]) -> Result<usize> {
+    fn dup(&self, old_id: usize, buf: &[u8]) -> Result<usize> {
        // println!("Dup {}", old_id);

+        if ! buf.is_empty() {
+            return Err(Error::new(ENOENT));
+        }
+
        let mut files = self.files.lock();
        let resource = if let Some(old_resource) = files.get(&old_id) {
            old_resource.dup()?