On 25.06.24 16:21, Tom Lane wrote:
> Peter Eisentraut <peter@eisentraut.org> writes:
>> On 21.06.24 16:53, Tom Lane wrote:
>>> Most of libpq gets at strerror_r via SOCK_STRERROR for Windows
>>> portability. Is that relevant here?
>
>> Looking inside the OpenSSL code, it makes no efforts to translate
>> between winsock error codes and standard error codes, so I don't think
>> our workaround/replacement code needs to do that either.
>
> Fair enough.
>
>> Btw., our source code comments say something like
>> "ERR_reason_error_string randomly refuses to map system errno values."
>> The reason it doesn't is exactly that it can't do it while maintaining
>> thread-safety.
>
> Ah. Do you want to improve that comment while you're at it?
Here is a patch that fixes the strerror() call and updates the comments
a bit.
This ought to be backpatched like the original fix; ideally for the next
minor releases in about two weeks.