first commit for chrg

2025-08-16 22:58:22 +08:00
commit 52a3ed5862
2306 changed files with 1021208 additions and 0 deletions
@@ -0,0 +1,50 @@
+/*
+ * Copyright (c) 2006-2024, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ */
+
+#ifndef __DFS_VFS_H__
+#define __DFS_VFS_H__
+
+#include "dfs_file.h"
+#include "dfs_fs.h"
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+struct dfs_vfs_node
+{
+    rt_list_t     subnode;     /* file subnode list */
+    rt_list_t     sibling;     /* file sibling list */
+};
+
+rt_inline void dfs_vfs_init_node(struct dfs_vfs_node *node)
+{
+    rt_list_init(&node->subnode);
+    rt_list_init(&node->sibling);
+}
+
+rt_inline void dfs_vfs_append_node(struct dfs_vfs_node *dir, struct dfs_vfs_node *node)
+{
+    rt_list_insert_after(&(dir->subnode), &(node->sibling));
+}
+
+rt_inline void dfs_vfs_remove_node(struct dfs_vfs_node *node)
+{
+    rt_list_remove(&(node->sibling));
+}
+
+#define dfs_vfs_for_each_subnode(node, tmp, dir, member)                          \
+    rt_list_for_each_entry_safe(node, tmp, &dir->member.subnode, member.sibling)
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /*__DFS_VFS_H__*/