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Re: [PATCH v1 2/5] Teach git to optionally utilize a file system monitor to speed up detecting new or changed files.

On Mon, May 15, 2017 at 09:55:12PM -0400, Ben Peart wrote:

> > > > +	istate->last_update = (time_t)ntohll(*(uint64_t *)index);
> [...]
> > (I note also that time_t is not necessarily 64-bits in the first place,
> > but David said something about this not really being a time_t).
> The in memory representation is a time_t as that is the return value of
> time(NULL) but it is converted to/from a 64 bit value when written/read to
> the index extension so that the index format is the same no matter the
> native size of time_t.

OK. I guess your cast here will truncate on 32-bit systems, but
presumably not until 2038, so we can perhaps ignore it for now (and
anyway, time(NULL) will be broken on such a system at that point).