From 3f04c0149da0a43defd8b798a8837964d2d239c6 Mon Sep 17 00:00:00 2001
From: Mikael Magnusson <mikma@users.sourceforge.net>
Date: Sun, 26 Nov 2023 00:33:06 +0100
Subject: WIP: empty improvements

---
 filter/config.Y | 1 -
 filter/data.c   | 4 +---
 filter/data.h   | 4 ++++
 3 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/filter/config.Y b/filter/config.Y
index ee8ec096..4f857350 100644
--- a/filter/config.Y
+++ b/filter/config.Y
@@ -385,7 +385,6 @@ f_const_empty(enum f_type t)
     case T_CLIST:
     case T_ECLIST:
     case T_LCLIST:
-    case T_TLVLIST:
       return f_new_inst(FI_CONSTANT, (struct f_val) {
 	.type = t,
 	.val.ad = &null_adata,
diff --git a/filter/data.c b/filter/data.c
index 105f3848..d2347684 100644
--- a/filter/data.c
+++ b/filter/data.c
@@ -93,9 +93,7 @@ f_type_element_type(enum f_type t)
 const struct f_trie f_const_empty_trie = { .ipv4 = -1, };
 const struct f_val f_const_empty_prefix_set = {
   .type = T_PREFIX_SET,
-  .val.ti = &f_const_empty_trie,
-}, f_const_empty_tlvlist = {
-  .type = T_TLVLIST,
+  .val.ti = &f_const_empty_trie
 };
 
 static struct adata *
diff --git a/filter/data.h b/filter/data.h
index 4abf4835..a6923eb6 100644
--- a/filter/data.h
+++ b/filter/data.h
@@ -352,8 +352,12 @@ val_empty(enum f_type t)
   case T_CLIST:
   case T_ECLIST:
   case T_LCLIST:
+  case T_EMPTY_LIST:
     return (struct f_val) { .type = t, .val.ad = &null_adata };
 
+  case T_TLVLIST:
+    return (struct f_val) { .type = T_TLVLIST, .val.tl = NULL };
+
   default:
     return (struct f_val) { };
   }
-- 
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