Re: Is this a bug of cc-mode?

[Alan Mackenzie]

Hi, Jun.

On Fri, May 24, 2013 at 06:14:23PM +0000, Jun wrote:
> emacs -Q
> C-x C-f /tmp/tmp.c  (should be in c-mode)
> Copy the following c code and paste it to the new buffer, then emacs 
> freezes.

> -------------xxxx-----------------
> LONG Rounding(
>      IN PRTMP_ADAPTER pAd,
>      IN LONG Integer,
>      IN LONG Fraction,
>      IN LONG DenominatorOfTssiRatio)
> -------------xxxx---------------

I think the following patch fixes things.  Could you try it out, please,
and let me know whether it works properly.  Thanks!


diff -r 5913f459a611 cc-mode.el
--- a/cc-mode.el        Sat May 25 10:56:44 2013 +0000
+++ b/cc-mode.el        Sat May 25 11:15:35 2013 +0000
@@ -1082,7 +1082,7 @@
   ;; This typically sets `syntax-table' properties.
 
   (setq c-just-done-before-change nil)
-  (c-save-buffer-state ()
+  (c-save-buffer-state (case-fold-search)
     ;; When `combine-after-change-calls' is used we might get calls
     ;; with regions outside the current narrowing.  This has been
     ;; observed in Emacs 20.7.



-- 
Alan Mackenzie (Nuremberg, Germany).