mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2024-11-10 13:00:29 +03:00
46 lines
1.6 KiB
C++
46 lines
1.6 KiB
C++
/*
|
|
* 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$link(Userspace<const Syscall::SC_link_params*> user_params)
|
|
{
|
|
VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this)
|
|
REQUIRE_PROMISE(cpath);
|
|
Syscall::SC_link_params params;
|
|
if (!copy_from_user(¶ms, user_params))
|
|
return EFAULT;
|
|
auto old_path_or_error = try_copy_kstring_from_user(params.old_path);
|
|
if (old_path_or_error.is_error())
|
|
return old_path_or_error.error();
|
|
auto new_path_or_error = try_copy_kstring_from_user(params.new_path);
|
|
if (new_path_or_error.is_error())
|
|
return new_path_or_error.error();
|
|
return VirtualFileSystem::the().link(old_path_or_error.value()->view(), new_path_or_error.value()->view(), current_directory());
|
|
}
|
|
|
|
KResultOr<FlatPtr> Process::sys$symlink(Userspace<const Syscall::SC_symlink_params*> user_params)
|
|
{
|
|
VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this)
|
|
REQUIRE_PROMISE(cpath);
|
|
Syscall::SC_symlink_params params;
|
|
if (!copy_from_user(¶ms, user_params))
|
|
return EFAULT;
|
|
auto target = get_syscall_path_argument(params.target);
|
|
if (target.is_error())
|
|
return target.error();
|
|
auto linkpath = get_syscall_path_argument(params.linkpath);
|
|
if (linkpath.is_error())
|
|
return linkpath.error();
|
|
return VirtualFileSystem::the().symlink(target.value()->view(), linkpath.value()->view(), current_directory());
|
|
}
|
|
|
|
}
|