ladybird/Kernel/Syscalls/uname.cpp
2021-06-29 20:03:36 +02:00

40 lines
882 B
C++

/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <Kernel/Process.h>
namespace Kernel {
KResultOr<FlatPtr> Process::sys$uname(Userspace<utsname*> user_buf)
{
extern String* g_hostname;
extern Lock* g_hostname_lock;
REQUIRE_PROMISE(stdio);
Locker locker(*g_hostname_lock, Lock::Mode::Shared);
if (g_hostname->length() + 1 > sizeof(utsname::nodename))
return ENAMETOOLONG;
utsname buf {};
memcpy(buf.sysname, "SerenityOS", 11);
memcpy(buf.release, "1.0-dev", 8);
memcpy(buf.version, "FIXME", 6);
#if ARCH(I386)
memcpy(buf.machine, "i686", 5);
#else
memcpy(buf.machine, "x86_64", 7);
#endif
memcpy(buf.nodename, g_hostname->characters(), g_hostname->length() + 1);
if (!copy_to_user(user_buf, &buf))
return EFAULT;
return 0;
}
}