setregid() and setreuid() implementation proposal

Jason Tishler jason@tishler.net
Wed Jan 22 17:17:00 GMT 2003


Corinna,

On Wed, Jan 22, 2003 at 11:48:19AM +0100, Corinna Vinschen wrote:
> My tiny extension:
> 
>     if (rgid != -1)
>       if (rgid == egid)
>         return setuid (rgid);
>       ERROR;
>     return setegid (egid);

I thought that you meant something like the above, but I was concerned
I was missing something.

I plan on using the following:

    if (rgid != -1 && rgid != egid)
      {
        set_errno (EINVAL);
        return -1;
      }

    return setegid (egid);

unless I hear otherwise.

Thanks,
Jason

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