Pointer to invalid multibyte sequence in mbsnrtowcs()

[Florian Weimer]

On 12/20/2016 02:17 AM, Igor Liferenko wrote:
> Hi Florian,
>
>>>       setlocale(LC_CTYPE, "en_US.UTF-8");
>>>       char *s = "\321\216\321";
>>
>> I'm not sure if this example demonstrates the behavior you describe
>> because the string starts with an invalid multibyte sequence
>
> \321\216 is a valid UTF-8 code of U+044E (CYRILLIC SMALL LETTER YU)
> Besides, "status: 1" in the output of the example means that one wide
> character was successfully converted.
>
> Do you know why in Example 2 *src is unchanged?

Can you report this as a bug so that it does not get lost?  It does look 
like we need to fix this.

Thanks,
Florian