Hi Craig:

Thanks your review :)

here is updated patch.

On Tue, Jun 6, 2017 at 12:45 AM, Craig Howland
<howland@lgsinnovations.com> wrote:
> On 06/03/2017 09:54 AM, Kito Cheng wrote:
>>
>> This patch let -NaN can print the right sign like glibc do[1] :)
>>
>> Ref:
>> [1]
>> https://sourceware.org/git/?p=glibc.git;a=commit;h=003c9895a89e71767ad64bafac1ca99622be2eb7
>
> For vfwprintf.c, the two assignments to sign ought to be "sign = L'-';"
> (missing the L).
>