QUIC sniffer: Optimize the code (#4655)

Based on 2eed70e17d
2025-06-14 04:19:36 +03:00 · 2025-04-29 16:04:04 +08:00
parent 2eed70e17d
commit d9ebb9b2dc
2 changed files with 12 additions and 19 deletions
--- a/app/dispatcher/default.go
+++ b/app/dispatcher/default.go
@ -43,7 +43,7 @@ func (r *cachedReader) Cache(b *buf.Buffer, deadline time.Duration) error {
 		r.cache, _ = buf.MergeMulti(r.cache, mb)
 	}
 	b.Clear()
-	rawBytes := b.Extend(b.Cap())
+	rawBytes := b.Extend(min(r.cache.Len(), b.Cap()))
 	n := r.cache.Copy(rawBytes)
 	b.Resize(0, int32(n))
 	r.Unlock()