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serenity/Kernel/Syscalls/rename.cpp

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/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <AK/StringView.h>
#include <Kernel/FileSystem/VirtualFileSystem.h>
#include <Kernel/Process.h>
namespace Kernel {
KResultOr<FlatPtr> Process::sys$rename(Userspace<const Syscall::SC_rename_params*> user_params)
{
VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this)
REQUIRE_PROMISE(cpath);
auto params = TRY(copy_typed_from_user(user_params));
auto old_path = get_syscall_path_argument(params.old_path);
if (old_path.is_error())
return old_path.error();
auto new_path = get_syscall_path_argument(params.new_path);
if (new_path.is_error())
return new_path.error();
return VirtualFileSystem::the().rename(old_path.value()->view(), new_path.value()->view(), current_directory());
}
}