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freetds - Re: [freetds] porting a windows program

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  • From: "ZIGLIO, Frediano, VF-IT" <Frediano.Ziglio AT vodafone.com>
  • To: "FreeTDS Development Group" <freetds AT lists.ibiblio.org>
  • Subject: Re: [freetds] porting a windows program
  • Date: Wed, 25 Jul 2007 11:00:17 +0200

> Thomas Stover wrote:
> > The first problem is that I don't seem to be including the
> > correct header for the PDBPROCESS structure. I looked around in the
> > FreeTDS headers and saw DBPROCESS all over the place, so I tried a
> > "#define PDBPROCESS DBPROCESS" to no avail. The other big
> thing is that
> > I'm going from the MS doc's version of what error and
> message handlers
> > should look like. Clearly that part needs some work.
>
> Thomas,
>
> I recommend you add any such Sybase->Microsoft changes to
> sqldb.h, because
> that's what Microsoft calls that file. For instance, PDBPROCESS is a
> pointer to a DBPROCESS, so something like:
>
>
> #define PDBPROCESS DBPROCESS*
>
> should help.
>
> If -- and only if -- you have real conflicts, wrap them:
>
> #ifndef MSDBLIB
> /* the usual */
> #else
> /* one microsoft way */
> #endif
>
> I would think the handlers could be defined something like:
>
> typedef INT (DBERRHANDLER)(DBPROCESS*, INT, INT, INT, const
> char *, const
> char *);
> typedef INT (DBMSGHANDLER)(DBPROCESS*, DBINT, INT, INT, const char *,
> const char *, const char *, DBUSMALLINT);
>
> extern DBERRHANDLER dberrhandle(DBERRHANDLER);
> extern DBMSGHANDLER dbmsghandle(DBMSGHANDLER);
>
> HTH.
>

I think a small patch like this:



Index: include/sqlfront.h
===================================================================
RCS file: /cvsroot/freetds/freetds/include/sqlfront.h,v
retrieving revision 1.3
diff -u -1 -0 -r1.3 sqlfront.h
--- include/sqlfront.h 28 Oct 2004 12:42:12 -0000 1.3
+++ include/sqlfront.h 25 Jul 2007 08:59:13 -0000
@@ -18,12 +18,15 @@
*/

#ifndef SQLFRONT_h
#define SQLFRONT_h

#include <sybfront.h>

static const char rcsid_sqlfront_h[] = "$Id: sqlfront.h,v 1.3
2004/10/28 12:42:12 freddy77 Exp $";
static const void *const no_unused_sqlfront_h_warn[] = {
rcsid_sqlfront_h, no_unused_sqlfront_h_warn };

+typedef DBPROCESS * PDBPROCESS;
+typedef LOGINREC * PLOGINREC;
+typedef DBCURSOR * PDBCURSOR;

#endif



could help

bye
freddy77





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