> On Oct 22, 2020, at 6:46 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
>
> I wrote:
>> I get
>> off = 7777, flags = 2, len = 3bbb
>> on a little-endian machine, and
>> off = 3bbb, flags = 2, len = 7777
>> on big-endian. It'd be less symmetric if the bytes weren't
>> all the same ...
>
> ... but given that this is the test value we are using, why
> don't both endiannesses whine about a non-maxalign'd offset?
> The code really shouldn't even be trying to follow these
> redirects, because we risk SIGBUS on picky architectures.
Ahh, crud. It's because
syswrite($fh, '\x77\x77\x77\x77', 500)
is wrong twice. The 500 was wrong, but the string there isn't the bit pattern we want -- it's just a string literal
withbackslashes and such. It should have been double-quoted.
—
Mark Dilger
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