From 4ca32ae23bad23b87595bff169cab9d9998a9e98 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?S=C3=B6nke=20Ludwig?= <sludwig@rejectedsoftware.com>
Date: Sun, 14 May 2017 22:24:00 +0200
Subject: [PATCH] Avoid the slow path for end markers of size 2.

---
 stream/vibe/stream/operations.d | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/stream/vibe/stream/operations.d b/stream/vibe/stream/operations.d
index 9b74462c64..4b9840a24c 100644
--- a/stream/vibe/stream/operations.d
+++ b/stream/vibe/stream/operations.d
@@ -392,8 +392,17 @@ private void readUntilSmall(R, InputStream)(InputStream stream, ref R dst, in ub
 				stream.skip(pm.length);
 			} else {
 				dst.put(pm[0 .. idx]);
-				stream.skip(idx+1);
-				if (++nmatched == nmarker) return;
+				if (nmarker == 1) {
+					stream.skip(idx+1);
+					return;
+				} else if (idx+1 < pm.length && pm[idx+1] == marker[1]) {
+					assert(nmarker == 2);
+					stream.skip(idx+2);
+					return;
+				} else {
+					nmatched++;
+					stream.skip(idx+1);
+				}
 			}
 		}
 	}