Re: Problem report #24

[Stefan Monnier <monnier@iro.umontreal.ca>]

>>> Event assign_zero: Variable "f" assigned value 0.
>>> Also see events: [var_deref_model]
>> 
>>> 3022 	      f = NULL;
>>> 3023 	      face = Qnil;
>>> 3024 	    }
>>> 3025 	
>>> 3026 	  /* Determine the width standard for comparison with the fonts we find.  */
>>> 3027 	
>> 
>>> At conditional (1): "face == Qnil" taking false path
>> 
>>> 3028 	  if (NILP (face))
>>> 3029 	    size = 0;
>>> 3030 	  else
>>> 3031 	    {
>>> 3032 	      /* This is of limited utility since it works with character
>>> 3033 		 widths.  Keep it for compatibility.  --gerd.  */
>> 
>>> Event var_deref_model: Variable "f" tracked as NULL was passed to a function that dereferences it. [model]
>>> Also see events: [assign_zero]
>> If f is NULL, then face=Qnil, so the false path of face==Qnil won't
>> be taken.
>> 

> face could be Qnil upon entry to the function?

Sure, no problem: the problem report is when f==NULL and face!=Qnil.


        Stefan