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src/libutil/includes/util/misc.h: Add container_of macro

Signed-off-by: haoranjiang <halfsweet@halfsweet.cn>
HalfSweet 1 月之前
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共有 1 个文件被更改,包括 21 次插入0 次删除
  1. 21 0
      src/libutil/includes/util/misc.h

+ 21 - 0
src/libutil/includes/util/misc.h

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+/*
+ * Copyright 2025 Core Devices LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <stdint.h>
+
+#define container_of(ptr, type, member) ((type *)((char *)(ptr) - (size_t)&(((type *)0)->member)))