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bug#5811: 23.1.94; Emacs Nextstep port crashes after graphical yes-or-no

From: Adrian Robert
Subject: bug#5811: 23.1.94; Emacs Nextstep port crashes after graphical yes-or-no-p
Date: Sat, 10 Apr 2010 09:11:43 +0300

On Apr 6, 2010, at 4:17 PM, Adrian Robert wrote:

>> Maybe you made a 32bit binary?
>> When I compile with
>> CC="gcc -arch i386" ./configure --with-ns
>> the resulting binary does not crash on the test case. So it appears to
>> be a problem with 64bit only.
> Hmm, possibly.  Anyway this suggests maybe it is also some sort of signature 
> and/or argument-passing issue.  The previous fix just corrected some kind 
> misalignment problem due to the wrong size for the return type being 
> allocated on the stack.

This is roughly what it seemed to be.  Here is a patch that fixes this issue 
for me running 10.6.2 64-bit.  (I tried to look for other problems of this sort 
in the source but did not find any -- though that doesn't mean they don't 


Index: nsmenu.m
RCS file: /sources/emacs/emacs/src/nsmenu.m,v
retrieving revision 1.31
diff -u -p -r1.31 nsmenu.m
--- nsmenu.m    9 Nov 2009 06:21:03 -0000       1.31
+++ nsmenu.m    10 Apr 2010 06:09:44 -0000
@@ -1709,7 +1709,7 @@ void process_dialog (id window, Lisp_Obj
 - (Lisp_Object)runDialogAt: (NSPoint)p
-  int ret;
+  NSInteger ret;
   extern EMACS_TIME timer_check (int do_it_now); /* TODO: add to a header */
   /* initiate a session that will be ended by pop_down_menu */

Attachment: snowLeopard_dialog.patch
Description: Binary data

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