Handle new NIL type in ba_name().

Fix filter debugging.

diff --git a/usr.sbin/btrace/btrace.c b/usr.sbin/btrace/btrace.c
index cd63d65..65e2a52 100644 (file)
--- a/usr.sbin/btrace/btrace.c
+++ b/usr.sbin/btrace/btrace.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: btrace.c,v 1.52 2021/09/09 07:17:31 mpi Exp $ */
+/*     $OpenBSD: btrace.c,v 1.53 2021/09/09 09:43:49 mpi Exp $ */
 
 /*
  * Copyright (c) 2019 - 2021 Martin Pieuchot <mpi@openbsd.org>
@@ -1157,6 +1157,8 @@ const char *
 ba_name(struct bt_arg *ba)
 {
        switch (ba->ba_type) {
+       case B_AT_NIL:
+               return "0";
        case B_AT_VAR:
        case B_AT_MAP:
                break;