From 0cfb5c4ba1be73fffdffad353dd6ebbcc717cde9 Mon Sep 17 00:00:00 2001
From: mpi <mpi@openbsd.org>
Date: Tue, 27 Feb 2024 12:38:12 +0000
Subject: [PATCH] Make it possible to check for existing string in maps.

---
 usr.sbin/btrace/btrace.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/usr.sbin/btrace/btrace.c b/usr.sbin/btrace/btrace.c
index 4450e98b83a..ce32989be91 100644
--- a/usr.sbin/btrace/btrace.c
+++ b/usr.sbin/btrace/btrace.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: btrace.c,v 1.88 2024/02/24 19:42:54 mpi Exp $ */
+/*	$OpenBSD: btrace.c,v 1.89 2024/02/27 12:38:12 mpi Exp $ */
 
 /*
  * Copyright (c) 2019 - 2023 Martin Pieuchot <mpi@openbsd.org>
@@ -1640,6 +1640,9 @@ ba2long(struct bt_arg *ba, struct dt_evt *dtev)
 	long val;
 
 	switch (ba->ba_type) {
+	case B_AT_STR:
+		val = (*ba2str(ba, dtev) == '\0') ? 0 : 1;
+		break;
 	case B_AT_LONG:
 		val = (long)ba->ba_value;
 		break;
-- 
2.20.1