Re: Fix misuse use of pg_b64_encode function (contrib/postgres_fdw/connection.c)

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От Peter Eisentraut
Тема Re: Fix misuse use of pg_b64_encode function (contrib/postgres_fdw/connection.c)
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Msg-id c081a0ba-6f53-4c48-8860-211804a58879@eisentraut.org
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Ответы Re: Fix misuse use of pg_b64_encode function (contrib/postgres_fdw/connection.c)
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On 16.01.25 02:12, Ranier Vilela wrote:
> Per Coverity.
> 
> CID 1590024:    (CHECKED_RETURN)
> Calling "pg_b64_encode" without checking return value (as is done 
> elsewhere 8 out of 10 times).
> 
> The function *pg_b64_encode* has in the comments:
> [0]  "and -1 in the event of an error"
> 
> So, the function can fail.
> All other calls check the return, In this case it could not be different.
> 
> Fix by checking the return and reporting a message to the user,
> in case of failure.

Thanks, fixed.  (I changed the ereports to elogs, which is how other 
call sites do it.)

I also fixed a related problem in the pg_b64_decode() calls in libpq.

Maybe we could put a pg_nodiscard attribute on pg_b64_encode() and 
pg_b64_decode()?

> [0] I think the most correct would be *or* not *and* word?

I think both are ok here.



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