RE: ICU default locale and setlocale

I mentioned two issues.
1. the ICU default locale and uloc_get/setDefault
2. the ICU default converter and ucnv_setDefaultName

Issue #1 is related to #2 but will require a separate
resolution.

Issue #2 is the same as in bug 2777.
Referring to the order listed for the fix, I would suggest:
nl_langinfo(CODESET); /* if available */
setlocale(LC_CTYPE, NULL);
US_ASCII

nl_langinfo is supposed to return information about the current
locale so it should be tried first whenever possible.
setlocale with a NULL locale parameter will return the current
program locale which is what a library should be using.
If the current locale does not have a LC_CTYPE setting
then I think US_ASCII is probably the best bet because
the C library also defaults to "C" locale behavior.
I don't think ICU should query environment variables
a la setlocale(LC_TYPE, "")--that is best left to the
application to do at startup.

Thanks,
Zartaj

-----Original Message-----
From: [email protected]
[mailto:[email protected]]On Behalf Of George Rhoten
Sent: Wednesday, July 16, 2003 1:21 PM
To: Zartaj T. Majeed
Cc: Icu
Subject: Re: ICU default locale and setlocale

I believe your request is related to this jitterbug
http://www.jtcsv.com/cgibin/icu-bugs/?findid=2777

That is scheduled to be fixed in ICU 2.8.

George Rhoten
IBM Globalization Center of Competency/ICU  San Jose, CA, USA




"Zartaj T. Majeed" <[email protected]>
Sent by: [email protected]
07/16/2003 12:31 PM


        To:     "Icu" <[email protected]>
        cc:
        Subject:        ICU default locale and setlocale



The following applies to Unix and other systems providing
setlocale.
The ICU default locale seems to not take into account setlocale
calls in a program. The default locale remains whatever was in
effect the first time the default locale was set. I would like to
have the default locale reflect the program's current locale.

Also related is the behavior of ucnv_setDefaultName. It returns
the encoding associated with the default locale if that can be
determined; if not it returns the value of the LC_CTYPE
environment variable by doing setlocale(LC_CTYPE, "").
The setlocale call should instead be setlocale(LC_CTYPE, NULL)
so that again the program's current locale is taken into account
and not the locale in effect when the program was launched.

Thanks,
Zartaj

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