Re: Avoid incomplete copy string (src/backend/access/transam/xlog.c)

Alvaro Herrera <alvherre@alvh.no-ip.org>

From: Alvaro Herrera <alvherre@alvh.no-ip.org>
To: Ranier Vilela <ranier.vf@gmail.com>
Cc: Daniel Gustafsson <daniel@yesql.se>, Yugo NAGATA <nagata@sraoss.co.jp>, Richard Guo <guofenglinux@gmail.com>, PostgreSQL Hackers <pgsql-hackers@postgresql.org>
Date: 2024-07-01T19:15:48Z
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. Use safe string copy routine

On 2024-Jul-01, Ranier Vilela wrote:

> > -       char            name[MAXPGPATH + 1];
> > +       char            name[MAXPGPATH];/* backup label name */
> >
> > With the introduced use of strlcpy, why do we need to change this field?
> >
> The part about being the only reference in the entire code that uses
> MAXPGPATH + 1.

The bit I don't understand about this discussion is what will happen
with users that currently have exactly 1024 chars in backup names today.
With this change, we'll be truncating their names to 1023 chars instead.
Why would they feel that such change is welcome?

-- 
Álvaro Herrera        Breisgau, Deutschland  —  https://www.EnterpriseDB.com/