Date: Mon, 23 Apr 2001 08:47:33 +0100 From: Brian Somers <brian@Awfulhak.org> To: "Rodney W. Grimes" <freebsd@gndrsh.dnsmgr.net> Cc: brian@Awfulhak.org (Brian Somers), bsd@bsdhome.com (Brian Dean), schweikh@schweikhardt.net (Jens Schweikhardt), freebsd-current@FreeBSD.ORG, brian@Awfulhak.org Subject: Re: cp -d dir patch for review (or 'xargs'?) Message-ID: <200104230747.f3N7lYK02161@hak.lan.Awfulhak.org> In-Reply-To: Message from "Rodney W. Grimes" <freebsd@gndrsh.dnsmgr.net> of "Sun, 22 Apr 2001 22:21:08 PDT." <200104230521.WAA76392@gndrsh.dnsmgr.net>
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> No rain here, it is ARG_MAX - 2048:
> -s size
> Set the maximum number of bytes for the command line length pro-
> vided to utility. The sum of the length of the utility name and
> the arguments passed to utility (including NULL terminators) will
> be less than or equal to this number. The current default value
> for size is ARG_MAX - 2048.
>
> 2K would be a pretty big env, root default std is about 367 bytes.
Ok, I'll stop arguing. I guess I have to agree that you can script
around the problem if you're careful.
FWIW, the above is really ARG_MAX - 4k (the documentation is wrong -
I recently updated xargs.1 in -current) and this seems to be *exactly*
the right threshold. Take a look at the commit message with that
xargs.1 commit...
> --
> Rod Grimes - KD7CAX @ CN85sl - (RWG25) rgrimes@gndrsh.dnsmgr.net
--
Brian <brian@Awfulhak.org> <brian@[uk.]FreeBSD.org>
<http://www.Awfulhak.org>; <brian@[uk.]OpenBSD.org>
Don't _EVER_ lose your sense of humour !
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