[PATCH v3] libio: Ensure output buffer for wchars (bug 28828)

[Adhemerval Zanella]

On 07/03/2022 08:29, Andreas Schwab wrote:
> On Mär 07 2022, Adhemerval Zanella wrote:
> 
>> On 04/03/2022 16:53, Andreas Schwab wrote:
>>> On Mär 04 2022, Adhemerval Zanella via Libc-alpha wrote:
>>>
>>>> the libio/fileops.c does not contain such snippet.
>>>
>>> See line 488.
>>>
>>
>> Should we evaluate to remove it as well then?
> 
> Why would we?  It's specified by POSIX.
> 

That's no what comment specifies ("This really isn't required by any
standard").  Do you have any link that describes this behavior?