FreeTDS Development Group

[Frediano Ziglio <freddyz77 AT tin.it>]

... omissis...
> > 
> > 
> > I also skimmed over the ChangeLog. Any chance the Sep 15, 2004 change
> > could have introduced this problem? As I mentioned, it used to work
> > with earlier versions of FreeTDS.
> > 
> > Thu Sep 15 13:41:10 CET 2004    Frediano Ziglio <freddy77 AT angelfire.com>
> >         * include/tds.h src/tds/iconv.c src/tds/token.c:
> >         - fix for some sql collation with a codepage not corresponding
> >           with lcid (like SQL_Scandinavian_CP850_CI_AS).
> > 
> 
> No, this has to do with protocol version 8.0 and characters coding (no
> core just slight different charset was used).
> 
> You spot a nasty bug.. or perhaps two...
> 1. we don't use a default charset conversion so it can happen that
> server send varchars before charset change and have a call to iconv
> (-1, ...) that lead to your floating point exception
> 2. cp437 is not in our charset tables so FreeTDS is not able to
> initialize charset causing call to iconv(-1, ...) like above
> 
> from your dump you can see
> 
> 21:52:18.266098 tds_srv_charset_changed: what is charset "cp437"?
> 
> this cause 2...
> 
> > I am really hoping that you'll be able to shed some light on this
> > and provide an explanation or fix of some sort.
> > 
> 
> Expect a fix in a day or two...
> 

More on this. Bug was caused by a division by zero, not iconv call.
Change you spot could cause problem too but using protocol 8.0.

Fixed in CVS (both 0.63 and head). Attached patch post0.63rc10 that
fixes both cases.

freddy77

Attachment: post63.diff.gz
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