Messages in this thread | | | Date | Sun, 30 May 1999 14:42:57 -0700 | From | "H. Peter Anvin" <> | Subject | Re: Migrating to larger numbers |
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Augusto Cesar wrote: > > On Sat, 29 May 1999, Nicholas Tufar wrote: > > > On 27 May 1999, H. Peter Anvin wrote: > > > > > Okay, 2.3 is out; it's time to get some fundamental data types > > > expanded: > > > > > > REQUIRED: > > > > > > uid_t, gid_t: 32 bits minimum, 32 bits probably OK. > > > > Some ISPs and mail servers may have more than 65536 users on one system. > > I would propose to make uid_t and gid_t 64 bits. > > > > I vote for 32 bits, *some* ISPs have more than 65536 users, but they can > find others solutions, like using SQL databases for users accounts, if we > use a gid_t of 64 bits its more 32 bits for every gid_t variable, this > will increase up the size of kernel and decresing the speed with a feature > for only a couple of ISPs. IMHO.
Again, 32 bits will allow for 4,294,967,293 users (excluding root, nobody and -1).
-hpa
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