MusicChunkPtr: managed MusicChunk pointer

Make all uses of MusicChunk safe.

1 files changed, 42 insertions, 0 deletions

diff --git a/src/MusicChunkPtr.hxx b/src/MusicChunkPtr.hxx
new file mode 100644
index 000000000..81c8ad30e
--- /dev/null
+++ b/src/MusicChunkPtr.hxx
@@ -0,0 +1,42 @@
+/*
+ * Copyright 2003-2018 The Music Player Daemon Project
+ * http://www.musicpd.org
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#ifndef MPD_MUSIC_CHUNK_PTR_HXX
+#define MPD_MUSIC_CHUNK_PTR_HXX
+
+#include "check.h"
+
+#include <memory>
+
+struct MusicChunk;
+class MusicBuffer;
+
+class MusicChunkDeleter {
+	MusicBuffer *buffer;
+
+public:
+	MusicChunkDeleter() = default;
+	explicit MusicChunkDeleter(MusicBuffer &_buffer):buffer(&_buffer) {}
+
+	void operator()(MusicChunk *chunk) noexcept;
+};
+
+using MusicChunkPtr = std::unique_ptr<MusicChunk, MusicChunkDeleter>;
+
+#endif