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From: jeq@i88.isc.com (Jonathan E. Quist)
Newsgroups: comp.bugs.sys5
Subject: Re: touch: got to be owner if use date string
Message-ID: <1991Feb12.213024.15634@i88.isc.com>
Date: 12 Feb 91 21:30:24 GMT
References: <DANJ1.91Feb12091029@cbnewse.ATT.COM>
Sender: usenet@i88.isc.com (Usenet News)
Organization: INTERACTIVE Systems Corporation, Naperville, IL
Lines: 22

In article <DANJ1.91Feb12091029@cbnewse.ATT.COM> Dan_Jacobson@ATT.COM writes:
>spotted on Amdahl UTS 5.2.6....
>
>$ ls -l lcircle10.300pk
>-rw-rw-rw-   1 dvorak   dvorak      4340 Feb 12 07:51 lcircle10.300pk
>$ id
>uid=47941(danj1) gid=47941(danj1) fsid=8(45262)
>$ touch lcircle10.300pk
>#that worked, why not this?  works when I'm owner...
>$ touch 1231235999 lcircle10.300pk
>touch: cannot change times on lcircle10.300pk

touch() calls utime(file,0) to set the current time.
to set a particular time, it calls utime(file,&utimbuf),
with the contents of utimbuf set to the desired time.
The first requires only write permission; the second
requires ownership.  (ref. utime(2))

--
Jonathan E. Quist				INTERACTIVE Systems Corporation
jeq@i88.isc.com     					Naperville, IL
DoD #094/ '71 CL450-K4 "Gleep"