(Fx_list_fonts): If names is 0, just return nil.

1 files changed, 16 insertions, 14 deletions

diff --git a/src/xfns.c b/src/xfns.c
index e46053ba163..1ca40679e32 100644
--- a/src/xfns.c
+++ b/src/xfns.c
@@ -2227,22 +2227,24 @@ fonts), even if they match PATTERN and FACE.")
                               &info); /* info_return */
   UNBLOCK_INPUT;
 
-  {
-    Lisp_Object *tail;
-    int i;
+  list = Qnil;
 
-    list = Qnil;
-    tail = &list;
-    for (i = 0; i < num_fonts; i++)
-      if (! size_ref 
-          || same_size_fonts (&info[i], size_ref))
-        {
-          *tail = Fcons (build_string (names[i]), Qnil);
-          tail = &XCONS (*tail)->cdr;
-        }
+  if (names)
+    {
+      Lisp_Object *tail;
+      int i;
 
-    XFreeFontInfo (names, info, num_fonts);
-  }
+      tail = &list;
+      for (i = 0; i < num_fonts; i++)
+        if (! size_ref 
+            || same_size_fonts (&info[i], size_ref))
+          {
+            *tail = Fcons (build_string (names[i]), Qnil);
+            tail = &XCONS (*tail)->cdr;
+          }
+
+      XFreeFontInfo (names, info, num_fonts);
+    }
 
   return list;
 }