Re: fix for avr-libc-2.0.0/include/util/eu_dst.h

[Georg-Johann Lay]

Am 30.10.24 um 14:18 schrieb pjw:
> Dear All,
>
> I think I have fixed a bug in avr-libc-2.0.0include/util/eu_dst.h where 
> the summer time was being imposed after summer time had finished, and 
> vice-versa.
>
> To decipher the code:-
>      if (month == MARCH) {
>          if (final_sunday < today)
>              return 0; /* should be ONE_HOUR */
>          if (final_sunday > today)
>              return ONE_HOUR; /* should be 0 */
>          ....
>      }
>       /* OCTOBER */
>       if (final_sunday < today)
>            return ONE_HOUR; /* should be 0 */
>       if (final_sunday > today)
>            return 0; /* should be ONE_HOUR */
>       ...
>
> Cheers,
> Peter Welch.

The current AVR-LibC version in v2.2.1.

See for example

https://github.com/avrdudes/avr-libc/issues/956

There was also this change back in 2017:
https://github.com/avrdudes/avr-libc/commit/0b978a5c40bb70a721628f

Johann