RE: [HACKERS] Win32 pЭort of libpq

On Thu, 30 Sep 1999, Dmitry Samersoff wrote:

>
> On 30-Sep-99 Edmund Mergl wrote:
> > Hi,
> >
> > in the last few days I compiled libpq on Windows NT
> > using MS Visual Studio 6.0. I followed the instructions
> > given by Bob Kline <bkline@rksystems.com> in his mail from
> > Fri, 3 Sep 1999.
> > Unfortuanetely he sent his mail only to dbi-users, so I would
> > like to repeat one major problem on this list.
> >
> > Here is an excerpt from his mail:
> >
> > 4. The DllMain function in src/interfaces/libpq/libpqdll.c of the
> > PostgreSQL 6.5 sources, in which WSAStartup is invoked, is never called,
> > which causes gethostbyname calls to fail.  Solution (more properly,
> > "kludge" -- I know there's a cleaner fix somewhere, but this works for
> > now): immediately after the local declarations for the connectDB function
> > in src/interfaces/libpq/fe-connect.c:
> >
> >#ifdef WIN32
> >     static int WeHaveCalledWSAStartup;
> >
> >     if (!WeHaveCalledWSAStartup) {
> >         WSADATA wsaData;
> >         if (WSAStartup(MAKEWORD(1, 1), &wsaData)) {
> >             sprintf(conn->errorMessage,
> >                     "WSAStartup failed: errno=%d\n", h_errno);
> >             goto connect_errReturn;
> >         }
> >         WeHaveCalledWSAStartup = 1;
> >     }
> >#endif
>
> You need not to take care wether WSAStartup is alredy called or not.
> Windows handle it automatically.

By calling it yourself you have more control over which minimum version
will be loaded.

Vince.
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