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To: "Joe Conway" <joe.conway@mail.com>
cc: pgsql-interfaces@postgresql.org
Subject: Re: libpq/c function question 
In-reply-to: <01aa01c088d4$cae4f220$0705a8c0@jecw2k1> 
References: <Pine.GSO.4.10.10101251120200.21455-100000@sun4.plasma.ernet.in>
	<01aa01c088d4$cae4f220$0705a8c0@jecw2k1>
Comments: In-reply-to "Joe Conway" <joe.conway@mail.com>
	message dated "Sat, 27 Jan 2001 18:48:28 -0800"
Date: Sat, 27 Jan 2001 22:48:34 -0500
Message-ID: <29142.980653714@sss.pgh.pa.us>
From: Tom Lane <tgl@sss.pgh.pa.us>
X-Archive-Number: 200101/313
X-Sequence-Number: 939

"Joe Conway" <joe.conway@mail.com> writes:
> 	optstr = PG_GETARG_TEXT_P(0);
> 	jpgsql = PG_GETARG_TEXT_P(1);

> 	conn = PQconnectdb(VARDATA(optstr));

I think you've missed the fact that a TEXT value's VARDATA is not
null-terminated.  There are numerous examples of transforming a TEXT
into a C string in the backend, see for example text_cmp/varstr_cmp
in src/backend/utils/adt/varlena.c.

			regards, tom lane