"David E. Wheeler" <david@justatheory.com> writes:
> On Sep 26, 2021, at 18:31, Tom Lane <tgl@sss.pgh.pa.us> wrote:
>> I'd bet more along the lines of "your overflow check is less portable than
>> you thought”.
> Oh well now that you mention it and I look past things, I see we’re using INT_MAX, but should probably use INT32_MAX.
More to the point, you should be checking whether strtol reports overflow.
Having now seen your code, I'll opine that the failing platforms have
32-bit long.
regards, tom lane