[pango/null-fonts] itemize: Be more defensive

[Matthias Clasen <matthiasc src gnome org>]

commit 1080a7ca10bcb5ad51ec381963d95d2884c55a18
Author: Matthias Clasen <mclasen redhat com>
Date:   Tue Apr 12 21:44:18 2022 -0400

    itemize: Be more defensive
    
    Let them have their NULL fonts.
    Produce hexboxes without criticals.

 pango/itemize.c | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)
---
diff --git a/pango/itemize.c b/pango/itemize.c
index 01399b7e..728ad7d9 100644
--- a/pango/itemize.c
+++ b/pango/itemize.c
@@ -1164,6 +1164,9 @@ apply_scale_to_item (PangoContext *context,
   PangoFontDescription *desc;
   double size;
 
+  if (!item->analysis.font)
+    return;
+
   if (is_small_caps)
     pango_analysis_set_size_font (&item->analysis, item->analysis.font);
 
@@ -1294,11 +1297,14 @@ static PangoVariant
 get_font_variant (PangoItem *item)
 {
   PangoFontDescription *desc;
-  PangoVariant variant;
+  PangoVariant variant = PANGO_VARIANT_NORMAL;
 
-  desc = pango_font_describe (item->analysis.font);
-  variant = pango_font_description_get_variant (desc);
-  pango_font_description_free (desc);
+  if (item->analysis.font)
+    {
+      desc = pango_font_describe (item->analysis.font);
+      variant = pango_font_description_get_variant (desc);
+      pango_font_description_free (desc);
+    }
 
   return variant;
 }