Conf: Symbols are properly scoped

Now there is a persistent root symbol scope and all scopes have their
symbol hashes to store local symbols and not leak any symbol out.

2 files changed, 13 insertions, 12 deletions

diff --git a/nest/cmds.c b/nest/cmds.c
index 99a7bbfe..092be48a 100644
--- a/nest/cmds.c
+++ b/nest/cmds.c
@@ -51,17 +51,18 @@ cmd_show_symbols(struct sym_show_data *sd)
     cli_msg(1010, "%-8s\t%s", sd->sym->name, cf_symbol_class_name(sd->sym));
   else
   {
-    HASH_WALK(config->sym_hash, next, sym)
-    {
-      if (!sym->scope->active)
-	continue;
-
-      if (sd->type && (sym->class != sd->type))
-	continue;
-
-      cli_msg(-1010, "%-8s\t%s", sym->name, cf_symbol_class_name(sym));
-    }
-    HASH_WALK_END;
+    for (const struct sym_scope *scope = config->root_scope; scope; scope = scope->next)
+      HASH_WALK(scope->hash, next, sym)
+      {
+	if (!sym->scope->active)
+	  continue;
+
+	if (sd->type && (sym->class != sd->type))
+	  continue;
+
+	cli_msg(-1010, "%-8s\t%s", sym->name, cf_symbol_class_name(sym));
+      }
+      HASH_WALK_END;
 
     cli_msg(0, "");
   }
diff --git a/nest/config.Y b/nest/config.Y
index b597b332..12fd01a2 100644
--- a/nest/config.Y
+++ b/nest/config.Y
@@ -638,7 +638,7 @@ r_args:
      $$ = cfg_allocz(sizeof(struct rt_show_data));
      init_list(&($$->tables));
      $$->filter = FILTER_ACCEPT;
-     $$->running_on_config = new_config->fallback;
+     $$->running_on_config = config;
    }
  | r_args net_any {
      $$ = $1;