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Date: Sat, 18 Mar 2017 10:39:54 -0400
From: Rich Felker <>
Subject: Re: [setlocale]: return only one copy if all six parts of
 locale are same

On Sat, Mar 18, 2017 at 09:48:41PM +0800, He X wrote:
> oops, i missed UNLOCK(lock).
> [...]
> >>
> >> I think the results of this patch can be achieved much more simply.
> >> Just compare lm pointers (rather than string contents) for equality at
> >> each iteration in the current loop, counting how many were equal to
> >>[0]. If that number equals LC_ALL, return
> >>[0]->name (or "C" if the lm is null) rather than
> >> buf.
> >>
> >> Rich
> >>
> >
> >

By simpler I meant something like the attached.


View attachment "setlocale.diff" of type "text/plain" (775 bytes)

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