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Re: [INTERFACES] libpq - PQsetenv and its new sister functions

From: Swen Kabis <swen(at)wavefire(dot)com>
To: pgsql-interfaces(at)postgreSQL(dot)org
Subject: Re: [INTERFACES] libpq - PQsetenv and its new sister functions
Date: 1999-07-26 18:31:02
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Lists: pgsql-interfaces
At 08:32 PM 7/25/99 +0100, you wrote:

>Further to my discussions with Tom Lane on this list last weekend, I

>have been re-arranging the connection functions in libpq to allow

>asynchronous connections.  Part of this has been to create new

>functions that perform the duties of the existing function PQsetenv,

>but in a non-blocking manner.  This involves passing the values of

>certain environment variables (PGDATESTYLE, PGTZ, et al) to the

>backend, as well as negotiating a client encoding if MULTIBYTE is

>defined.  Now, PQsetenv is declared in fe-connect.c thus:


>/* XXX Why is this not static? */

>void		PQsetenv(PGconn *conn);


>It is not declared in libpq-fe.h, so currently those who are playing by

>the rules are unable to call this function for themselves.


>It seems to me that PQsetenv might be useful as part of the public API,

>and I can see no harm in doing so.  What is clear, however, is that the

>functions I have created should have the same accessibility as

>PQsetenv; to do otherwise would be nonsensical.


>So, should I bring PQsetenv into the public API by declaring it in

>libpq-fe.h, and have my functions join it, or should I keep the new

>functions static (and probably leave PQsetenv non-static, with

>compatibility worries).  My preference would be the former - does anyone



>Ewan Mellor.

I think it would be better to declare it in libpq-fe.h




GCS/O d-(+) s:+>:- a- C++++ UB++$>++++$ P+ L++>++++$ E--

W++(++) N+ o? K? w--- O- M-- V-- PS+ PE@ Y PGP t++ 5++ X

R* tv++ b+++(+) DI++ D+++ G++ e++ h---->$ r+++ x**

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