Re: pgsql: move hex_decode() to /common so it can be called from frontend

From: Michael Paquier <michael(at)paquier(dot)xyz>
To: Bruce Momjian <bruce(at)momjian(dot)us>
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, pgsql-committers(at)lists(dot)postgresql(dot)org
Subject: Re: pgsql: move hex_decode() to /common so it can be called from frontend
Date: 2020-12-25 00:04:41
Message-ID: X+UsmYFlBALRMpM7@paquier.xyz
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On Thu, Dec 24, 2020 at 06:16:20PM -0500, Bruce Momjian wrote:
> On Thu, Dec 24, 2020 at 06:14:49PM -0500, Tom Lane wrote:
>> Bruce Momjian <bruce(at)momjian(dot)us> writes:
>> > move hex_decode() to /common so it can be called from frontend
>>
>> The buildfarm seems pretty unimpressed with this.
>
> Yes, we are working on reverting the ecpg part.

Looks like the defense put in place by 6b1c5ca has allowed to catch up
a bug here. When base64 has been copied from encode.c to src/common/
for SCRAM (newlines should not be handled by SCRAM, hence the copy),
we have done the same. The copied code just returns -1 for error
paths. For this case, I think that you should also prefix those
functions with "pg_", and also include the encode part for
completeness.
--
Michael

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