From 166de4b6f3ff4a5c78811d8ded338e50daa87f18 Mon Sep 17 00:00:00 2001
From: theWangs <1428148408@qq.com>
Date: Wed, 21 May 2025 15:55:18 +0800
Subject: [PATCH] =?UTF-8?q?port=E7=9B=AE=E5=BD=95=E6=96=B0=E5=A2=9Elang.h?=
 =?UTF-8?q?=E6=96=87=E4=BB=B6?=
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---
 storage/rocksdb/rocksdb/port/lang.h | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
 create mode 100644 storage/rocksdb/rocksdb/port/lang.h

diff --git a/storage/rocksdb/rocksdb/port/lang.h b/storage/rocksdb/rocksdb/port/lang.h
new file mode 100644
index 000000000..a5fd36490
--- /dev/null
+++ b/storage/rocksdb/rocksdb/port/lang.h
@@ -0,0 +1,16 @@
+// Copyright (c) 2011-present, Facebook, Inc.  All rights reserved.
+//  This source code is licensed under both the GPLv2 (found in the
+//  COPYING file in the root directory) and Apache 2.0 License
+//  (found in the LICENSE.Apache file in the root directory).
+
+#pragma once
+
+#ifndef FALLTHROUGH_INTENDED
+#if defined(__clang__)
+#define FALLTHROUGH_INTENDED [[clang::fallthrough]]
+#elif defined(__GNUC__) && __GNUC__ >= 7
+#define FALLTHROUGH_INTENDED [[gnu::fallthrough]]
+#else
+#define FALLTHROUGH_INTENDED do {} while (0)
+#endif
+#endif
-- 
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