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  • From: "Lowden, James K" <LowdenJK AT bernstein.com>
  • To: "'FreeTDS Development Group'" <freetds AT lists.ibiblio.org>
  • Subject: RE: [freetds] Running FreeTDS under VMS
  • Date: Thu, 1 May 2003 17:11:28 -0400

> From: Craig A. Berry [mailto:craigberry AT mac.com]
> Sent: May 1, 2003 4:18 PM
>
> >could you elaborate on why "ISO8859-1" helps you?
>
> Well, before I did that (with the snapshot from 20 April and
> so rather moot now), I got:
>
> iconv will convert client-side data to the "ISO-8859-1" character set
> 2003-04-20 19:00:01.886844 iconv_open: cannot convert to
> "ISO-8859-1": invalid argument
>
> (I think seeing "invalid argument" required the addition of
> strerror(errno) to the tdsdump_log call.) After adding the
> line to my freetds.conf file, I just saw:
>
> iconv will convert client-side data to the "ISO8859-1" character set
>
> and no error message. But if the initialization is done from
> either locale_charset or nl_langinfo as you note below, the
> default should work.

Should, yes, once we get our ducks in a row.

> So I discovered. I was about to cry foul when I did a bit of
> digging and found that "ISO8859-1" is what VMS, Tru64, and
> AIX use, but "ISO-8859-1" is what GNU and some others use,
> and Solaris just uses "88591".

Pretty much like the 8859-x mess in general. Not a pretty sight.

> >Many OS's provide both nl_langinfo() and iconv().
>
> VMS is one of them.

So I gather...

> nl_langinfo(CODESET) returns "ASCII" on my stock 7.3-1 VMS
> system with no special language kits installed.
...
> >Is "ASCII" perchance on your list, too? I like the idea of
> > calling ASCII, "ASCII".
>
> Unfortunately not (even though that's what nl_langinfo
> returns).

What are you supposed to do in a pure VMS system, if you can't pass the
output of nl_langinfo(CODESET) to iconv?

> It looks like the options for passing to iconv_open are:
>
> ISO8859-1
> UCS-2
> UCS-4
> VTF-7

I can see writing a trivial tds_get_iconv_ascii_name() that returned the
appropriate string in the absence of locale_charset().

> ISO love that idea, but are you POSIX it will work?

I'm not going to dignify that with a reply. Not that I could.

--jkl


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