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bug#3474: 23.0.94; Emacs.app crashes during typing (with patch)


From: Chong Yidong
Subject: bug#3474: 23.0.94; Emacs.app crashes during typing (with patch)
Date: Sun, 07 Jun 2009 17:49:29 -0400

Adrian, could you review this patch?


Wolfgang Lux <address@hidden> wrote:

> I've encountered a few crashes in Emacs.app, which happened while  
> typing when Emacs was a bit busy. It turns out that these crashes  
> were due to an omitted null-pointer check at line 4165 of keyboard.c  
> in function kbd_buffer_get_event(). The attached patch fixes this  
> problem along with a second omitted null-pointer check in line 4323  
> of the same function.

--- src/keyboard.c.~1.1005.~    2009-05-28 17:08:04.000000000 +0200
+++ src/keyboard.c      2009-06-02 13:39:39.000000000 +0200
@@ -4162,7 +4162,8 @@
           else
             obj = Fcons (intern ("ns-unput-working-text"), Qnil);
          kbd_fetch_ptr = event + 1;
-         *used_mouse_menu = 1;
+         if (used_mouse_menu)
+           *used_mouse_menu = 1;
         }
 #endif
 
@@ -4319,7 +4320,8 @@
 #endif
 #ifdef HAVE_NS
              /* certain system events are non-key events */
-             if (event->kind == NS_NONKEY_EVENT)
+             if (used_mouse_menu
+                 && event->kind == NS_NONKEY_EVENT)
                *used_mouse_menu = 1;
 #endif
 





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