Re: BUG #1815: ECPGdebug causes crash on Windows XP

I remember that I have posted the answer to pgsql.bugs,
but now it can only be found here:

http://www.talkaboutdatabases.com/group/pgsql.bugs/messages/2346.html

Do not know what's wrong with the mail list or my mails.

"Bruce Momjian" <pgman(at)candle(dot)pha(dot)pa(dot)us> wrote
>
> Ah, I have found the cause of the crash, and added documentation about
> the cause:
>
> On Win32, if the <application>ecpg</> libraries and application are
> compiled with different flags, this function call will crash the
> application because the internal representation of the <literal>FILE</>
> pointers differ.
>
> While such a mismatch is a problem on all platforms, it is more common
> on Win32 where the FILE structure changes for debug, for example.
>
> --------------------------------------------------------------------------
-
>
> Michael Meskes wrote:
> > On Mon, Aug 15, 2005 at 07:39:42PM +0800, William ZHANG wrote:
> > > Yes. It is reproducible. But it works well in MinGW.
> > > Is there sth. wrong with the import library lib\ms\libecpg.lib or
> > > lib\libecpg.dll?
> > >
> > > "Joshua Masiko" <joshua_masiko(at)yahoo(dot)com>
> > > wrote:20050813145453(dot)48119(dot)qmail(at)web33903(dot)mail(dot)mud(dot)yahoo(dot)com(dot)(dot)(dot)
> > > >
> > > > ntdll.dll!7c918fea()
> > > > ntdll.dll!7c9106eb()
> > > > ntdll.dll!7c90104b()
> > > > msvcrt.dll!77c3b90d()
> > > > msvcrt.dll!77c420e7()
> > > > libecpg.dll!6d0c7471()
> > > >> ecpgtest.exe!main(int argc=1, char * *
> > > > argv=0x003c0d10) Line 5 + 0xc C
> > > > ecpgtest.exe!mainCRTStartup() Line 206 + 0x19 C
> > > > kernel32.dll!7c816d4f()
> > > > kernel32.dll!7c8399f3()
> > > >
> > > >
> > > > The offending line in ecpgtest.pgc is
> > > >
> > > > ECPGdebug(1,stderr);
> > > >
> > > > I get the same result even if I use a file handle
> > > > obtained by using fopen
> >
> > Could someone with access to a Windows system have a look at this? I do
> > not have one atm. In particular I'd like to know whether it makes a
> > difference if your compiled ecpg with threading enabled or not. After
> > all without threading the function called does not much, just changing
> > two variables and logging the change.
> >
> > Michael
> > --
> > Michael Meskes
> > Email: Michael at Fam-Meskes dot De, Michael at Meskes dot
(De|Com|Net|Org)
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> > Go SF 49ers! Go Rhein Fire! Use Debian GNU/Linux! Use PostgreSQL!
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>
> --
> Bruce Momjian | http://candle.pha.pa.us
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