Path: utzoo!attcan!utgpu!jarvis.csri.toronto.edu!cs.utexas.edu!longway!std-unix
From: std-unix@longway.TIC.COM (Moderator, John S. Quarterman)
Newsgroups: comp.std.unix
Subject: Re: POSIX, NFS, CPIO/TAR
Keywords: POSIX, NFS, CPIO/TAR
Message-ID: <474@longway.TIC.COM>
Date: 15 Dec 89 18:59:03 GMT
References: <2587D93A.19FD@marob.masa.com> <7674@portia.Stanford.EDU>
Reply-To: Doug Gwyn <uunet!brl.mil!gwyn>
Organization: Ballistic Research Lab (BRL), APG, MD.
Lines: 13
Approved: jsq@longway.tic.com (Moderator, John S. Quarterman)

From: Doug Gwyn <uunet!smoke.brl.mil!gwyn>

In article <7674@portia.Stanford.EDU> karish@forel.stanford.edu (Chuck Karish) writes:
>  The POSIX 1003.1 standard says that the types used for user and group
>  IDs (uid_t and gid_t, respectively) are to be `arithmetic types'.  An
>  implementation or application that assumes that that the values are
>  always positive is broken.

RONG.  IEEE Std 1003.1 defines "group ID" and "user ID" to be NON-NEGATIVE
integers in Section 2.3.  This is in conformance with existing practice
that Sun gratuitously ignored in their NFS implementation.

Volume-Number: Volume 17, Number 101