From a68acf5c66634444986d2eb5bf96a532c83729d1 Mon Sep 17 00:00:00 2001
From: Max Kellermann <max@duempel.org>
Date: Tue, 18 Mar 2014 12:09:17 +0100
Subject: [PATCH] util/ConstBuffer: add FromVoid(), ToVoid() to "void"
 specialization

Provide the full API.
---
 src/util/ConstBuffer.hxx | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/util/ConstBuffer.hxx b/src/util/ConstBuffer.hxx
index 6754cb065..2670489b1 100644
--- a/src/util/ConstBuffer.hxx
+++ b/src/util/ConstBuffer.hxx
@@ -63,6 +63,14 @@ struct ConstBuffer<void> {
 		return ConstBuffer(nullptr, 0);
 	}
 
+	constexpr static ConstBuffer<void> FromVoid(ConstBuffer<void> other) {
+		return other;
+	}
+
+	constexpr ConstBuffer<void> ToVoid() const {
+		return *this;
+	}
+
 	constexpr bool IsNull() const {
 		return data == nullptr;
 	}