patch: Xt-1.0.8 fix dereference

[Jeremy Huddleston]

Yes, please send it again with sign-off and review lines in the comment space above the first hunk like this:

Reviewed-by: Jeremy Huddleston <jeremyhu at apple.com>
Signed-off-by: walter harms <wharms at bfs.de>

eg: http://lists.x.org/archives/xorg-devel/2010-August/012443.html

On Sep 22, 2010, at 09:21, walter harms wrote:

> should i resend it ?
> re,
> wh
> 
> Jeremy Huddleston schrieb:
>> Hi wh,
>> 
>> Send patches like this to xorg-devel rather than the users list.
>> 
>> Reviewed-by: Jeremy Huddleston <jeremyhu at apple.com>
>> 
>> On Sep 22, 2010, at 00:13, walter harms wrote:
>> 
>>> Hi List,
>>> i found something that looked like a bug in libXt.
>>> eventWidget->core.tm.proc_table is used before eventWidget is checked.
>>> 
>>> this patch fixes that.
>>> re,
>>> wh
>>> 
>>> 
>>> 
>>> --- libXt-1.0.8/src/TMprint.c.org       2010-09-21 23:42:08.000000000 +0200
>>> +++ libXt-1.0.8/src/TMprint.c   2010-09-21 23:44:44.000000000 +0200
>>> @@ -782,12 +782,16 @@
>>>    PrintRec           stackPrints[STACKPRINTSIZE];
>>>    PrintRec           *prints;
>>>    TMShortCard                numPrints, maxPrints;
>>> -    TMBindData bindData = (TMBindData) eventWidget->core.tm.proc_table;
>>> +    TMBindData bindData ;
>>>    TMComplexBindProcs complexBindProcs;
>>> 
>>>    if ((eventWidget == NULL) ||
>>> -       ((xlations = eventWidget->core.tm.translations) == NULL) ||
>>> -       (bindData->simple.isComplex == False))
>>> +       (eventWidget->core.tm.translations == NULL) )
>>> +      return;
>>> +
>>> +    xlations = eventWidget->core.tm.translations;
>>> +    bindData = (TMBindData) eventWidget->core.tm.proc_table;
>>> +    if (bindData->simple.isComplex == False)
>>>      return;
>>> 
>>>    sb->current = sb->start = __XtMalloc((Cardinal)1000);
>>> _______________________________________________
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>> 
>> 
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