+/* clones a dentry.
+ *
+ * Beware:
+ * - memory for file names is not cloned
+ * - next, prev, and children pointers and not touched
+ * - stream entries are not cloned.
+ */
+struct dentry *clone_dentry(struct dentry *old)
+{
+ struct dentry *new = MALLOC(sizeof(struct dentry));
+ if (!new)
+ return NULL;
+ memcpy(new, old, sizeof(struct dentry));
+ new->file_name = NULL;
+ new->file_name_len = 0;
+ new->file_name_utf8 = NULL;
+ new->file_name_utf8_len = 0;
+ new->short_name = NULL;
+ new->short_name_len = 0;
+ return new;
+}
+