[PATCH 2/3] Add test for warn, warnx, vwarn, and vwarnx with floating-point parameters

[Gabriel F. T. Gomes]

On Tue, 14 Aug 2018, Florian Weimer wrote:

>On 08/11/2018 12:00 AM, Gabriel F. T. Gomes wrote:
>> +${test_program_prefix} \
>> +  ${test_program} \
>> +  2> ${test_program_output} || status=1  
>
>You could assign stderr to an in-memory buffer, which would avoid the 
>separate shell script.

Oh, like you did for the err, warn, etc. with __fxprintf test case. Thanks
for the suggestion and example. :)