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Date: Thu, 16 Oct 2014 11:37:39 +0300
From: Sergey Dmitrouk <sdmitrouk@...esssoftek.com>
To: "musl@...ts.openwall.com" <musl@...ts.openwall.com>
Subject: Re: Constants to decode __ctype_b_loc() table
On Wed, Oct 15, 2014 at 07:07:12PM -0700, Rich Felker wrote:
> In the link you cited:
>
> "This interface is not in the source standard; it is only in the
> binary standard."
Even if it's a binary interface, it shouldn't be underspecified. Right
now __ctype_b_loc.c contains an array of numbers which correspond to
what glibc has. Consider the following situation: glibc changes masks
at some point, musl doesn't, someone uses masks from new glibc's
headers after reading a thread like this one and obtains broken locales.
Having this documented in form of a comment instead of public interface
would be good as well, in this case clients could consult place where
it's documented and be sure that their constants are correct. Say, add
a comment to __ctype_b_loc.c to clarify meaning of the table and
document masks at the same time.
Regards,
Sergey
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