Problem report #24

[Dan Nicolaescu <dann@ics.uci.edu>]

CID: 24
Checker: FORWARD_NULL (help)
File: emacs/src/xfaces.c
Function: Fx_list_fonts
Description: Variable "f" tracked as NULL was passed to a function that dereferences it.

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]

3034 	      int face_id = lookup_named_face (f, face, 0, 0);
3035 	      struct face *face = (face_id < 0
3036 				   ? NULL
3037 				   : FACE_FROM_ID (f, face_id));
3038