Re: [PATCH] Fix console utf8 composing

["Alexander E. Patrakov" <patrakov@ums.usu.ru>]

Jan Engelhardt wrote:

> > Differences between our versions are described below.

> What do you think we should do? I have not given this fix any thought, 
> because it applied fine for long time (+/- fuzz), so I cannot comment on 
> anything in your version being better or not.

If you really don't care about characters beyond 0xffff (but see below),
please consider applying this on top of your patch:

--- linux-2.6.15-rc6/drivers/char/consolemap.c	2005-12-25 
10:02:11.000000000 +0500
+++ linux-2.6.15-rc6.my/drivers/char/consolemap.c	2005-12-25 
10:01:22.000000000 +0500
@@ -216,6 +216,7 @@
 	u16 **p1, *p2;
 	u16 *q;
 	
+	if (!p) return;
 	q = p->inverse_trans_unicode;
 	if (!q) {
 		q = p->inverse_trans_unicode =
@@ -289,6 +290,7 @@
 		p = (struct uni_pagedir *)*vc_cons[i].d->vc_uni_pagedir_loc;
 		if (p && p != q) {
 			set_inverse_transl(vc_cons[i].d, p, USER_MAP);
+			set_inverse_trans_unicode(vc_cons[i].d, p);
 			q = p;
 		}
 	}

> > My version of to_utf8() takes uint as a second argument and handles values
> > beyonf 0xffff.
>
> I doubt that there is reason to support characters beyond 0xffff.
> CJK is within 0xffff, besides that console fonts just do not have the 
> capacity to support CJK in a meaningful way.

Using console fonts is not the only way to display characters. You
forgot about jfbterm.

--
Alexander E. Patrakov


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