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// Copyright 2024-2025, Amlal El Mahrouss (amlal@nekernel.org)
// Distributed under the Apache Software License, Version 2.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.apache.org/licenses/LICENSE-2.0)
// Official repository: https://github.com/nekernel-org/neboot
#include <libfdt/libfdt_env.h>
extern int fdt_create(void* buf, int bufsize);
extern int fdt_open_into(void* buf, void* into, int bufsize);
extern int fdt_begin_node(void* buf, const char* name);
extern int fdt_end_node(void* buf);
extern int fdt_finish(void* buf);
extern int fdt_finish_reverse_map(void* buf);
#define fdt_check_err(err) \
if (err) return err
/**
* @brief creates a empty tree with a specified buffer and size.
*
* @param buf the buffer.
* @param bufsize the size.
* @return int
*/
int fdt_create_empty_tree(void* buf, int bufsize) {
int err;
err = fdt_create(buf, bufsize);
fdt_check_err(err);
err = fdt_finish_reverse_map(buf);
fdt_check_err(err);
err = fdt_begin_node(buf, "");
fdt_check_err(err);
err = fdt_end_node(buf);
fdt_check_err(err);
err = fdt_finish(buf);
fdt_check_err(err);
return fdt_open_into(buf, buf, bufsize);
}
#undef fdt_check_err
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