fix: avoid unneeded allocation

2022-11-18 10:57:59 -05:00 · 2022-11-18 10:57:59 -05:00 · eb6abb5d67
parent 651b7a1ce6
commit eb6abb5d67
1 changed files with 2 additions and 2 deletions
--- a/wal/src/lib.rs
+++ b/wal/src/lib.rs
@ -543,14 +543,14 @@ impl SegmentFileReader {
 }

 async fn is_segment_stream(f: &mut Pin<Box<dyn AsyncRead>>) -> Result<()> {
-    let mut header = vec![0u8; FILE_TYPE_IDENTIFIER.len()];
+    let mut header = [0u8; FILE_TYPE_IDENTIFIER.len()];
    f.read_exact(&mut header)
        .await
        .context(UnableToReadFileMetadataSnafu)?;

    ensure!(
        header == FILE_TYPE_IDENTIFIER,
-        SegmentFileIdentifierMismatchSnafu {}
+        SegmentFileIdentifierMismatchSnafu,
    );

    Ok(())