Re: Bug in ResolveOneParam()
От | Hiroshi Inoue |
---|---|
Тема | Re: Bug in ResolveOneParam() |
Дата | |
Msg-id | 469D35F7.6060305@tpf.co.jp обсуждение исходный текст |
Ответ на | Bug in ResolveOneParam() (Rainer Bauer <usenet@munnin.com>) |
Список | pgsql-odbc |
Rainer Bauer wrote: > Hello, > > I finally was able to track down the bug that occasionally happened when > UseServerSidePrepare was enabled: the driver is writing past allocated memory. > The bug is in ResolveOneParam(). At one point this function writes directly > into the allocated buffer <qb->query_statement> _without_ checking the > allocated size by calling enlarge_query_statement(). > > I have added the ENLARGE_NEWSTATEMENT() call which should take care of this > bug (see attached patch). Sorry for the delay. I would take care of it. Thanks. Hiroshi Inoue > Rainer > > Index: convert.c > =================================================================== > RCS file: /cvsroot/psqlodbc/psqlodbc/convert.c,v > retrieving revision 1.161 > diff -u -r1.161 convert.c > --- convert.c 4 Jun 2007 10:24:49 -0000 1.161 > +++ convert.c 16 Jul 2007 09:52:51 -0000 > @@ -3459,6 +3472,7 @@ > } */ > if (req_bind) > { > + ENLARGE_NEWSTATEMENT( qb, (qb->npos+4) ); > npos = qb->npos; > qb->npos += 4; > }
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