ladybird/Kernel/Syscalls/utime.cpp
kleines Filmröllchen 939600d2d4 Kernel: Use UnixDateTime wherever applicable
"Wherever applicable" = most places, actually :^), especially for
networking and filesystem timestamps.

This includes changes to unzip, which uses DOSPackedTime, since that is
changed for the FAT file systems.
2023-05-24 23:18:07 +02:00

31 lines
882 B
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 {
ErrorOr<FlatPtr> Process::sys$utime(Userspace<char const*> user_path, size_t path_length, Userspace<const struct utimbuf*> user_buf)
{
VERIFY_NO_PROCESS_BIG_LOCK(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().truncated_seconds_since_epoch();
// Not a bug!
buf = { now, now };
}
TRY(VirtualFileSystem::the().utime(credentials(), path->view(), current_directory(), buf.actime, buf.modtime));
return 0;
}
}