From: Kenichi Handa <handa@m17n.org>
To: Yair F <yair.f.lists@gmail.com>
Cc: 6621@debbugs.gnu.org
Subject: bug#6621: Emacs crash when trying to report emacs crash
Date: Fri, 23 Jul 2010 21:38:30 +0900 [thread overview]
Message-ID: <tl763061igp.fsf@m17n.org> (raw)
In-Reply-To: <AANLkTikE5X6BUROA31sXDe7FyIXqy_ZRm-J7iiZb_l4I@mail.gmail.com> (message from Yair F on Thu, 22 Jul 2010 22:55:24 +0300)
In article <AANLkTikE5X6BUROA31sXDe7FyIXqy_ZRm-J7iiZb_l4I@mail.gmail.com>, Yair F <yair.f.lists@gmail.com> writes:
> Since Handa-san is appearnly unavailable I tried to investigate the
> crash myself.
> The problem that I know nothing about emacs' structure.
> All I can do is send the debug session. If you think that you can
> instruct me more on how to debug it let me know.
> I'll try to get something more meaningful.
Thank you, and sorry for the late response. I've been busy
for preparing for the next Monday's presentation.
I found a suspicious code in Ffont_shape_gstring, and the
attached patch will fix the bug. Could you please try it?
I have not yet committed it because I have not yet fully
traced the impact of the change to the other places..
=== modified file 'src/font.c'
--- src/font.c 2010-07-14 03:40:47 +0000
+++ src/font.c 2010-07-23 12:31:43 +0000
@@ -4492,6 +4492,8 @@
}
if (i == 3 || XINT (n) == 0)
return Qnil;
+ if (XINT (n) < LGSTRING_GLYPH_LEN (gstring))
+ LGSTRING_SET_GLYPH (gstring, XINT (n), Qnil);
glyph = LGSTRING_GLYPH (gstring, 0);
from = LGLYPH_FROM (glyph);
---
Kenichi Handa
handa@m17n.org
next prev parent reply other threads:[~2010-07-23 12:38 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-07-12 21:55 bug#6621: Emacs crash when trying to report emacs crash Yair F
2010-07-13 12:17 ` Eli Zaretskii
2010-07-13 16:15 ` Yair F
2010-07-13 17:57 ` Eli Zaretskii
2010-07-13 18:29 ` Yair F
2010-07-14 8:32 ` Eli Zaretskii
2010-07-14 11:10 ` Eli Zaretskii
2010-07-14 17:54 ` Yair F
2010-07-14 20:42 ` Eli Zaretskii
2010-07-16 6:00 ` Kenichi Handa
2010-07-22 19:55 ` Yair F
2010-07-23 12:38 ` Kenichi Handa [this message]
2010-07-24 22:05 ` Yair F
2010-07-26 4:30 ` Kenichi Handa
2010-07-26 10:12 ` Juanma Barranquero
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