Re: new heapcheck contrib module

[Mark Dilger]

> On Oct 22, 2020, at 6:46 PM, Tom Lane <t...@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 with backslashes and such.  It should 
have been double-quoted.

—
Mark Dilger
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company