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Date: Tue, 17 May 2022 18:12:46 +0000
From: Joseph Myers <joseph@codesourcery.com>
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To: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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Subject: Re: [PATCH 2/3]: C++20 P0482R6 and C2X N2653: Implement mbrtoc8,
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On Tue, 17 May 2022, Adhemerval Zanella wrote:

> > +/* This is the private state used if PS is NULL.  */
> > +static mbstate_t state;
> 
> Although it was done for other convertion interfaces, I wonder if we should
> keep supporting this mt-unsafe usage for newer ones.  It was not clear from 

In C23 it's implementation-defined whether the internal state for such 
functions has static or thread storage duration (see the general 
introduction to the uchar.h functions).

-- 
Joseph S. Myers
joseph@codesourcery.com