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Re: [PATCH] Small fixes in doc/ref/srfi-modules.texi; a couple other que
From: |
Paul Jarc |
Subject: |
Re: [PATCH] Small fixes in doc/ref/srfi-modules.texi; a couple other questions |
Date: |
Mon, 05 May 2003 11:56:14 -0400 |
User-agent: |
Gnus/5.1002 (Gnus v5.10.2) Emacs/21.3 (gnu/linux) |
Stephen Compall <address@hidden> wrote:
> But since the ruid == euid etc. in non-set?id programs, I don't see
> the problem at first glance (though it could conceivably cause
> problems in set?id programs :).
access() is merely a waste of time in non-set?id programs. They can
just do whatever they want to do without explicitly checking for
permission first; if there's a permission problem, the operation will
simply fail. set?id programs should use access() because they have
more permissions than they sometimes want to use; the operation might
succeed when it ought to fail.
paul