From ee1d4befb3cef6efd184ba116c4fa7fefe0dae1a Mon Sep 17 00:00:00 2001
From: Tobias Pankrath <tobias.pankrath@vattenfall.de>
Date: Sat, 25 Sep 2021 12:33:51 +0200
Subject: [PATCH] fix: websocket's 64bit length calculation

---
 http2.d | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/http2.d b/http2.d
index 7817cd5..ffe0960 100644
--- a/http2.d
+++ b/http2.d
@@ -4188,7 +4188,7 @@ public {
 				if(d.length < 8) return needsMoreData();
 
 				foreach(i; 0 .. 8) {
-					msg.realLength |= d[0] << ((7-i) * 8);
+					msg.realLength |= ulong(d[0]) << ((7-i) * 8);
 					d = d[1 .. $];
 				}
 			} else {