Re: Switch buffile.c/h to use pgoff_t

Michael Paquier <michael@paquier.xyz>

From: Michael Paquier <michael@paquier.xyz>
To: Chao Li <li.evan.chao@gmail.com>
Cc: Postgres hackers <pgsql-hackers@lists.postgresql.org>, Bryan Green <dbryan.green@gmail.com>
Date: 2025-12-22T22:49:21Z
Lists: pgsql-hackers

Commits

Same data as JSON: GET /api/v1/messages/:b64id/commits the thread's linked commits as JSON, with link sources. API reference →
  1. Upgrade BufFile to use int64 for byte positions

  2. Switch buffile.c/h to use pgoff_t instead of off_t

On Fri, Dec 19, 2025 at 02:22:02PM +0900, Michael Paquier wrote:
> The point of such changes would be to lift this barrier at some point,
> which is what the other thread I am mentioning upthread is also
> pointing at.  It does not change the fact that this code is currently
> not portable as written: off_t can be 4 or 8 bytes depending on the
> environment, and pgoff_t exists to be a stable alternative.  This
> relates as well to the use of long in the tree, all coming down to
> WIN32.

Getting rid of a couple more long assumptions while removing one
portability comment from buffile.c is appealing while the change is
not invasive, so applied.
--
Michael