Re: [COMMITTERS] pgsql: Use symbolic names not octal constants for file permission flags

Magnus Hagander <magnus@hagander.net> writes:
> On Sat, Dec 11, 2010 at 18:46, Tom Lane <tgl@sss.pgh.pa.us> wrote:
>> I think we can just #define the other cases as zeroes. �I'm not sure why
>> you think that's an issue for open --- the privileges don't exist.

> Hmm. I was/am worried about any case that specifies *just* one of the
> permissions that don't exist. That'll leave it at zero, whereas the
> correct one might be the user-only version of whatever (read/write)
> was given.

If we didn't specify the "user" read or write privilege, we shouldn't
get it.

What are the values of _S_IREAD and _S_IWRITE, anyway?  I'm still
wondering how come the previous coding with hardwired constants
behaved correctly.
        regards, tom lane