perf(http): reduce a copy when not using Chunked encoding

2017-02-02 13:13:48 -08:00
parent b4e0057d2b
commit 027cb71b7b
1 changed files with 6 additions and 2 deletions
--- a/src/http/io.rs
+++ b/src/http/io.rs
@@ -242,8 +242,12 @@ impl<T: Write + ::vecio::Writev> AtomicWrite for T {
 */
 impl<T: Write> AtomicWrite for T {
    fn write_atomic(&mut self, bufs: &[&[u8]]) -> io::Result<usize> {
-        let vec = bufs.concat();
-        self.write(&vec)
+        if bufs.len() == 1 {
+            self.write(bufs[0])
+        } else {
+            let vec = bufs.concat();
+            self.write(&vec)
+        }
    }
 }
 //}