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Re: PQprint under Windows

From: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
To: Christoph Zwerschke <cito(at)online(dot)de>
Cc: pgsql-interfaces(at)postgresql(dot)org
Subject: Re: PQprint under Windows
Date: 2006-02-07 01:24:19
Message-ID: 200602070124.k171OJ128183@candle.pha.pa.us (view raw or flat)
Thread:
Lists: pgsql-interfaces
Christoph Zwerschke wrote:
> Bruce Momjian wrote:
> > Christoph Zwerschke wrote:
> >> I tried to compile PyGreSQL under Windows.
> >> Everything seems to work, except some functions which are using PQprint. 
> >> Whenever these functions are called, I get a Windows exception.
>  >> ...
> >> Can anybody confirm that PQprint is or was ever running under Windows? 
> >> The 8.1 docu does not say that it is deprecated or not running under 
> >> Windows. Can it be a bug?
> > 
> > It should work.  What exception are you getting, and what line in the C
> > file is it complaining about?
> 
> Here is the exception I am getting:
> -------------------------------------------------------------------
> pythonw.exe caused an Invalid Handle at location 7c974ed1 in module 
> ntdll.dll.
> 
> Registers:
> eax=0021f6a0 ebx=00000000 ecx=0021f6e8 edx=7c91eb94 esi=7c38b528 
> edi=00000000
> eip=7c974ed1 esp=0021f6a0 ebp=0021f6f0 iopl=0         nv up ei pl zr na 
> po nc
> cs=001b  ss=0023  ds=0023  es=0023  fs=003b  gs=0000 
> efl=00000246
> 
> Call stack:
> 7C974ED1  ntdll.dll:7C974ED1  RtlRaiseStatus
> 7C95243C  ntdll.dll:7C95243C  RtlInitializeSListHead
> 7C91104B  ntdll.dll:7C91104B  RtlEnterCriticalSection
> 77C1174F  msvcrt.dll:77C1174F  fwrite
> 6311321C  libpq.dll:6311321C  pg_encoding_to_char
> 63114007  libpq.dll:63114007  pg_encoding_to_char
> 63114067  libpq.dll:63114067  pg_encoding_to_char
> 631094A2  libpq.dll:631094A2  PQprint
> 10003DC3  _pg.dll:10003DC3  _onexit  dllcrt1.c:183
> _onexit_t _onexit(
> 	_onexit_t pfn = &0x00a7a110
> -------------------------------------------------------------------
> 
> This happened when I was using the libpq.dll from the official binary 
> distribution of PostgreSQL 8.1.2. When I compiled libpq.dll myself to 
> find out more, amazingly everything worked fine, there was no exception. 
> I compiled with nls enabled and without, both works. Only the dll which 
> comes with the Win installer causes the problem. Any ideas what could be 
> the problem here?

Wow, that is strange.  Guess we will just wait for someone else to see
the failure if you can not reproduce it.  Thanks for trying.

-- 
  Bruce Momjian                        |  http://candle.pha.pa.us
  pgman(at)candle(dot)pha(dot)pa(dot)us               |  (610) 359-1001
  +  If your life is a hard drive,     |  13 Roberts Road
  +  Christ can be your backup.        |  Newtown Square, Pennsylvania 19073

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