#include "arch/CPU.h"
#include "memory/MemoryManager.h"
#include "sys/Syscall.h"
#include <bits/struct_utsname.h>
#include <luna/CString.h>

Result<u64> sys_uname(Registers*, SyscallArgs args)
{
    utsname* buf = (utsname*)args[0];

    utsname result;

    strncpy(result.sysname, "moon", _UTSNAME_LENGTH);
    strncpy(result.nodename, "lunar", _UTSNAME_LENGTH);

    // FIXME: Hardcode these at build time instead of in code.
    strncpy(result.release, "0.1", _UTSNAME_LENGTH);
    strncpy(result.version, "alpha", _UTSNAME_LENGTH);

    strncpy(result.machine, CPU::platform_string(), _UTSNAME_LENGTH);

    if (!MemoryManager::copy_to_user_typed(buf, &result)) return err(EFAULT);

    return 0;
}