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Re: A question about scm_{to,from}_locale_string()

From: Peter TB Brett
Subject: Re: A question about scm_{to,from}_locale_string()
Date: Sun, 12 Jun 2011 08:09:03 +0100
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/23.2 (gnu/linux)

address@hidden (Ludovic Courtès) writes:

> Hello,
> Peter TB Brett <address@hidden> skribis:
>> All of our strings are encoded as UTF-8, but we can't use
>> scm_to_utf8_stringn() and scm_from_utf8_string() because they don't
>> exist in Guile 1.8.8 (which we're going to have to continue to support
>> for some time).
>> The question, then, is whether using scm_{to,from}_locale_string() with
>> UTF-8 strings will "just work" in both Guile 1.8.8 and Guile 2.0.1 as
>> long as we make sure that the current locale is a UTF-8 locale?
> Yes, it should work.
> However, in Guile 2.0.x, you'd better use scm_{to,from}_utf8_string to
> avoid relying on the locale settings.  You could use a configure check
> for that.

I've added a configure check that defines scm_{to,from}_utf8_string to
scm_{to,from}_locale_string if the former isn't available in libguile.
Seems to work okay.

Obviously there are some cases where we still use the locale functions
explicitly, e.g. parsing command-line arguments.

Thanks for your help.


Peter Brett <address@hidden>
Remote Sensing Research Group
Surrey Space Centre

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