Re: Add BufFileRead variants with short read and EOF detection - Mailing list pgsql-hackers

From Amit Kapila
Subject Re: Add BufFileRead variants with short read and EOF detection
Date
Msg-id CAA4eK1+YKd8HO8uUE+x0z8nUO_VDkGF2VQ168V-VyoQyOpE7Zg@mail.gmail.com
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In response to Add BufFileRead variants with short read and EOF detection  (Peter Eisentraut <peter.eisentraut@enterprisedb.com>)
Responses Re: Add BufFileRead variants with short read and EOF detection
List pgsql-hackers
On Wed, Dec 28, 2022 at 4:17 PM Peter Eisentraut
<peter.eisentraut@enterprisedb.com> wrote:
>
> Most callers of BufFileRead() want to check whether they read the full
> specified length.  Checking this at every call site is very tedious.
> This patch provides additional variants BufFileReadExact() and
> BufFileReadMaybeEOF() that include the length checks.
>
> I considered changing BufFileRead() itself, but this function is also
> used in extensions, and so changing the behavior like this would create
> a lot of problems there.  The new names are analogous to the existing
> LogicalTapeReadExact().
>

+1 for the new APIs. I have noticed that some of the existing places
use %m and the file path in messages which are not used in the new
common function.

-- 
With Regards,
Amit Kapila.



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