Re: libpq sockets on win32 - Mailing list pgsql-interfaces

From Bruce Momjian
Subject Re: libpq sockets on win32
Date
Msg-id 200106041753.f54HrrU27542@candle.pha.pa.us
Whole thread Raw
In response to libpq sockets on win32  ("Jeff Johnson" <jeff@jeffjohnson.net>)
Responses Re: libpq sockets on win32  (Tom Lane <tgl@sss.pgh.pa.us>)
List pgsql-interfaces
> I found that sending more than 16k of data in a SQL statement caused a
> problem.  I was using PyGreSQL but narrowed the error down to
> "\postgresql-7.1.2\src\interfaces\libpq\fe-misc.c" pqReadData() and
> pqFlush().  After some poking around, it looked like recv was setting
> errno to ENOENT for some reason.  I figured out why today.  Win32
> sockets don't set errno at all.  ENOENT was just left in errno from
> some earlier call.
>
> This article describes the problem and work around.
> http://msdn.microsoft.com/library/psdk/winsock/ovrvw3_26ia.htm

I can't read that web site under Netscape.

> I haven't done much C coding in a few years and don't want to break
> other code by blindly doing:
>
> #define errno WSAGetLastError

If I could read it, I think I could fix it.  Please send it in some
readable format.

--
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  pgman@candle.pha.pa.us               |  (610) 853-3000
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