From 56997290d77cecb6f536f3422852ef3a2a0d3c1e Mon Sep 17 00:00:00 2001
From: Max Kellermann <mk@cm4all.com>
Date: Mon, 7 Sep 2020 12:52:29 +0200
Subject: [PATCH] io/BufferedOutputStream: add method Discard()

---
 src/fs/io/BufferedOutputStream.hxx | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/fs/io/BufferedOutputStream.hxx b/src/fs/io/BufferedOutputStream.hxx
index 88096bea9..b88be1bac 100644
--- a/src/fs/io/BufferedOutputStream.hxx
+++ b/src/fs/io/BufferedOutputStream.hxx
@@ -111,6 +111,13 @@ public:
 	 */
 	void Flush();
 
+	/**
+	 * Discard buffer contents.
+	 */
+	void Discard() noexcept {
+		buffer.Clear();
+	}
+
 private:
 	bool AppendToBuffer(const void *data, std::size_t size) noexcept;