setregid() and setreuid() implementation proposal

[Jason Tishler]

Is the following simplistic setregid() implementation acceptable?

    extern "C" int
    setregid (__gid16_t rgid, __gid16_t egid)
    {
      if (rgid != -1)
        {
          set_errno (EINVAL);
          return -1;
        }
      return setegid (egid);
    }

And, likewise for setreuid()?

If so, then I will submit the corresponding patch.

Thanks,
Jason

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