[9904] in The GTK GIMP ToolKit mailing list archive
[gtk-list] Re: gtk bug or glibc locale bug?
daemon@ATHENA.MIT.EDU (Changwoo Ryu)
Thu Nov 5 17:13:15 1998
To: gtk-list@redhat.com
From: Changwoo Ryu <cwryu@adam.kaist.ac.kr>
Date: 06 Nov 1998 07:12:41 +0900
In-Reply-To: Owen Taylor's message of "05 Nov 1998 09:40:52 -0500"
Resent-From: gtk-list@redhat.com
Reply-To: gtk-list@redhat.com
Owen Taylor <otaylor@redhat.com> writes:
> The problem the code is supposed to detect, is that under
> stock glibc (I don't know about the Debian-modified glibc)
> the mb* functions always deal in UTF-8, which isn't useful
> for what GTK+ wants to do.
>
> "0xc0\n" is not a valid UTF8 string, hence the return of -1.
> This tells GTK+ - OK, the C library's multibyte functions
> aren't useful, so treat everything as 1 byte.
Yes, I can understand. (*sigh*)
The wcsmbs package is a workaround for multibyte users. It put
"libwcsmbs.so" to /etc/ld.so.preload, and the libwcsmbs.so redefines
mb* and wc* functions. mb* function is not only for UTF-8 encoding in
this environment.
> I think the correct thing to do, in the short term, is
> to apply something like:
>
> ftp://ftp.gtk.org/pub/gtk/patches/gtk-a-higuti-980912-0.patch.gz
I just read the patch. But the patch breaks binary compatibility.
(We need to use GTK+ *now*.)
How about (MB_CUR_MAX >= 3) after the "\xc0" check? It seems OK to
me. Is there any 1-byte locale whose MB_CUR_MAX >= 3, or multibyte
locale whose MB_CUR_MAX < 3 ?
----------------------------------------------------------------------
setlocale (LC_CTYPE, "C");
gtk_use_mb = (mblen ("\xc0", MB_CUR_MAX) == 1);
setlocale (LC_CTYPE, current_locale);
+ if (! gtk_use_mb && (MB_CUR_MAX >= 3))
+ gtk_use_mb = TRUE;
}
g_free (current_locale);
----------------------------------------------------------------------
Please comment about this.
> which switches over the Entry and Text widget to using wide
> characters. Locale-dependent variable-width encodings are just not
> reliable. In the long term, Unicode is the right way to go.
I agree. I hope I could contribute to this area.
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