The following reply was made to PR kern/169320; it has been noted by GNATS.
From: Jilles Tjoelker <jil...@stack.nl>
To: "Jukka A. Ukkonen" <j...@iki.fi>
Cc: bug-follo...@freebsd.org
Subject: Re: kern/169320: [libc] [patch] Enhancement to allow fopen() to set
Date: Tue, 13 Nov 2012 15:53:17 +0100
On Thu, Nov 08, 2012 at 09:39:20AM +0200, Jukka A. Ukkonen wrote:
> Quoting Jilles Tjoelker:
> > I have written a patch almost entirely from scratch, though. I think
> > blindly accepting any order restricts future possibilities too much
> > (perhaps we want to put key/value pairs in the mode string at some
> > point, for example) and not necessary. C11 is very clear that the 'x'
> > option must come after any '+' or 'b' options. I decided that the 'e'
> > option must come after any '+, 'b' or 'x' options.
> Key value pairs have nothing to do with the order of the flags as
> long as the value always follows the key flag character(s).
> Proper free flow left to right parse would be much more flexible.
> So, I remain a bit suspicious about strict ordering of the flags.
Glibc supports things like fopen("/foo", "r,ccs=utf-8"). Although
applications should use such a specification only if it is supported, it
seems wrong nevertheless to interpret all the characters in it as flags.
--
Jilles Tjoelker
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