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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 {
ErrorOr<FlatPtr> Process::sys$utime(Userspace<const char*> user_path, size_t path_length, Userspace<const struct utimbuf*> user_buf)
{
VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this)
TRY(require_promise(Pledge::fattr));
auto path = TRY(get_syscall_path_argument(user_path, path_length));
utimbuf buf;
if (user_buf) {
TRY(copy_from_user(&buf, user_buf));
} else {
auto now = kgettimeofday().to_truncated_seconds();
// Not a bug!
buf = { now, now };
}
TRY(VirtualFileSystem::the().utime(path->view(), current_directory(), buf.actime, buf.modtime));
return 0;
}
}
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