From Garfield.palmer@beckfield030303.freeserve.co.uk Tue Apr  29 00:15:39 2003
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From: "Garfield Palmer" <Garfield.palmer@beckfield030303.freeserve.co.uk>
To: <pgsql-interfaces@postgresql.org>
Subject: libpq msvc crashing
Date: Tue, 29 Apr 2003 01:18:18 +0100
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Hi
Has anyone had problems running the testlibq in xp using msvc or encounterd=
 this problem.=20

I am using postgresql 7.3.1, which if I run two command shell (one as a ser=
ver) it works fine. I only encounter problems when I try to run msvc. I am =
fairly new to postgresql, so I am basically trying to get the example progr=
ams to work, so that I know that the C programme communicates with the serv=
er, however everytime the programme compiles, It crashes. A college lecture=
r has looked at the code and commented out a lot of the code to establish w=
here its going wrong, to us it seems it does not like the line of code

/* make a connection to the database */
conn =3D PQsetdb (pghost, pgport,  pgoptions, pgtty, dbName);


libpq.dll, libpq.lib and header files are included,  pghost  and pgport are=
 set, we are not sure on pgoption and pgtty though, however we have simulat=
ed different scenarios and hit the same result. Compiles then CRASH, can an=
yone help.=20=20

Thanks=20

Garfield
palmer_garfield@hotmail.com

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<BODY bgColor=3D#ffffff>
<DIV><FONT face=3DArial size=3D2>Hi</FONT></DIV>
<DIV><FONT face=3DArial size=3D2>Has anyone had problems running the testli=
bq in xp=20
using msvc or encounterd this problem. </FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT>&nbsp;</DIV>
<DIV><FONT face=3DArial size=3D2>I am using postgresql 7.3.1, which if I ru=
n two=20
command shell (one as a server) it works fine. I only encounter problems wh=
en I=20
try to run msvc. I&nbsp;am fairly new to postgresql, so&nbsp;I am basically=
=20
trying to&nbsp;get the example programs to work, so that I know that the C=
=20
programme communicates with the server, however everytime&nbsp;the=20
programme&nbsp;compiles,&nbsp;It crashes.&nbsp;A college lecturer has looke=
d at=20
the code and&nbsp;commented out a lot of the code to establish where its go=
ing=20
wrong, to us&nbsp;it seems it does not like the line of code</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT>&nbsp;</DIV>
<DIV><FONT face=3DArial size=3D2>/* make a connection to the database=20
*/</FONT></DIV>
<DIV><FONT face=3DArial size=3D2>conn =3D PQsetdb (pghost, pgport,&nbsp; pg=
options,=20
pgtty, dbName);</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT>&nbsp;</DIV>
<DIV><FONT face=3DArial size=3D2></FONT>&nbsp;</DIV>
<DIV><FONT face=3DArial size=3D2>libpq.dll, libpq.lib and header files are=
=20
included,&nbsp; pghost &nbsp;and pgport are set, we are not sure on pgoptio=
n and=20
pgtty though, however we have simulated different scenarios and hit the sam=
e=20
result. Compiles then&nbsp;CRASH, can&nbsp;anyone help. </FONT>&nbsp;</DIV>
<DIV><FONT face=3DArial size=3D2></FONT>&nbsp;</DIV>
<DIV><FONT face=3DArial size=3D2>Thanks </FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT>&nbsp;</DIV>
<DIV><FONT face=3DArial size=3D2>Garfield</FONT></DIV>
<DIV><FONT face=3DArial=20
size=3D2>palmer_garfield@hotmail.com</FONT></DIV></BODY></HTML>

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From ch@rodos.fzk.de Mon May  5 13:06:45 2003
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Date: Mon, 05 May 2003 15:06:38 +0200
From: Christoph Haller <ch@rodos.fzk.de>
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To: pgsql-interfaces@postgresql.org
Cc: Garfield.palmer@beckfield030303.freeserve.co.uk
Subject: Re: libpq msvc crashing
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> Has anyone had problems running the testlibq in xp using msvc or
encounterd=
>  this problem.=20
>
> I am using postgresql 7.3.1, which if I run two command shell (one as
a ser=
> ver) it works fine. I only encounter problems when I try to run msvc.
I am =
> fairly new to postgresql, so I am basically trying to get the example
progr=
> ams to work, so that I know that the C programme communicates with the
serv=
> er, however everytime the programme compiles, It crashes. A college
lecture=
> r has looked at the code and commented out a lot of the code to
establish w=
> here its going wrong, to us it seems it does not like the line of code

>
> /* make a connection to the database */
> conn =3D PQsetdb (pghost, pgport,  pgoptions, pgtty, dbName);
>
>
> libpq.dll, libpq.lib and header files are included,  pghost  and
pgport are=
>  set, we are not sure on pgoption and pgtty though, however we have
simulat=
> ed different scenarios and hit the same result. Compiles then CRASH,
can an=
> yone help.=20=20
>
Could we see what's going on before calling PQsetdb, especially what
type of variable
dbName is and how it is set.
Regards, Christoph