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Re: [PATCH] ARM: Mes C Library: Add compile stub for time.


From: Danny Milosavljevic
Subject: Re: [PATCH] ARM: Mes C Library: Add compile stub for time.
Date: Wed, 3 Jun 2020 00:39:04 +0200

Aha, Linux has:

#ifdef __ARCH_WANT_SYS_TIME
/*
 * sys_time() can be implemented in user-level using
 * sys_gettimeofday().  Is this for backwards compatibility?  If so,
 * why not move it into the appropriate arch directory (for those
 * architectures that need it).
 */
SYSCALL_DEFINE1(time, time_t __user *, tloc)
{
        time_t i = get_seconds();

        if (tloc) {
                if (put_user(i,tloc))
                        return -EFAULT;
        }
        force_successful_syscall_return();
        return i;
}
...
#endif

So seems to be fine to pass NULL.  Some weird interface IMO :)

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