From 1550113506ee41e905f5f89659f404f1e3d7f1c8 Mon Sep 17 00:00:00 2001
From: Max Kellermann <max@musicpd.org>
Date: Fri, 16 Aug 2019 13:21:28 +0200
Subject: [PATCH] util/DynamicFifoBuffer: add nullptr constructor overload

---
 src/util/DynamicFifoBuffer.hxx | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/util/DynamicFifoBuffer.hxx b/src/util/DynamicFifoBuffer.hxx
index deba848a7..422b35eec 100644
--- a/src/util/DynamicFifoBuffer.hxx
+++ b/src/util/DynamicFifoBuffer.hxx
@@ -45,6 +45,12 @@ public:
 	using typename ForeignFifoBuffer<T>::const_pointer_type;
 	using typename ForeignFifoBuffer<T>::Range;
 
+	/**
+	 * Construct without allocating a buffer.
+	 */
+	explicit constexpr DynamicFifoBuffer(std::nullptr_t n) noexcept
+		:ForeignFifoBuffer<T>(n) {}
+
 	/**
 	 * Allocate a buffer with the given capacity.
 	 */