Refactor: reserve space before adding extra data

2023-05-14 09:26:33 -07:00 · 2023-05-14 09:26:33 -07:00 · 170e5c6f58
commit 170e5c6f58
parent 56f9ee9ab0
1 changed files with 1 additions and 0 deletions
--- a/src/write.rs
+++ b/src/write.rs
@ -260,6 +260,7 @@ impl FileOptions {
                    Rc::get_mut(field).unwrap()
                }
            };
+            vec.reserve_exact(data.len() + 4);
            vec.write_u16::<LittleEndian>(header_id)?;
            vec.write_u16::<LittleEndian>(data.len() as u16)?;
            vec.write_all(data)?;