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From: Eli Zaretskii <eliz@gnu.org>
To: Paul Eggert <eggert@cs.ucla.edu>
Cc: 9079@debbugs.gnu.org
Subject: bug#9079: integer overflow etc. issues (e.g., image crashes Emacs)
Date: Fri, 15 Jul 2011 08:46:43 +0300	[thread overview]
Message-ID: <83aacghz98.fsf@gnu.org> (raw)
In-Reply-To: <4E1F675E.1020907@cs.ucla.edu>

> Date: Thu, 14 Jul 2011 15:02:06 -0700
> From: Paul Eggert <eggert@cs.ucla.edu>
> CC: 9079@debbugs.gnu.org
> 
> OK, here's an updated version of the bidi.c part of that patch,
> reflecting the bidi changes just made to the trunk.

Thanks.  But why is it a good idea to use ptrdiff_t instead of
EMACS_INT?  I used EMACS_INT for a reason, not just because I needed a
wider type: the bidi cache can never be longer than the longest Lisp
string or buffer.  So having a cache longer than that is already a
bug, and we should announce memory full when a Lisp integer overflows.





  reply	other threads:[~2011-07-15  5:46 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-07-14  7:55 bug#9079: integer overflow etc. issues (e.g., image crashes Emacs) Paul Eggert
2011-07-14  8:22 ` Andreas Schwab
2011-07-14 16:15   ` Paul Eggert
2011-07-14  8:47 ` Eli Zaretskii
2011-07-14 16:23   ` Paul Eggert
2011-07-14 17:48     ` Eli Zaretskii
2011-07-14 22:02   ` Paul Eggert
2011-07-15  5:46     ` Eli Zaretskii [this message]
2011-07-15  7:22       ` Paul Eggert
2011-07-14 12:54 ` Leo
     [not found] ` <handler.9079.B.13106301884386.ack@debbugs.gnu.org>
2011-07-28  0:49   ` bug#9079: Acknowledgement (integer overflow etc. issues (e.g., image crashes Emacs)) Paul Eggert

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