From 372b409f87227f22fbba7857eb84fe6c64a5f507 Mon Sep 17 00:00:00 2001
From: Dennis Kaarsemaker <dennis@kaarsemaker.net>
Date: Mon, 26 Sep 2022 14:12:44 +0200
Subject: [PATCH] logfmt: bare keys get `true` as value, not `nil`

In #4359, @nokute78 notes that bare keys in logfmt lines get the wrong
value after parsing: they should get a `true` value, not `nil`.

Signed-off-by: Dennis Kaarsemaker <dennis@kaarsemaker.net>
---
 src/flb_parser_logfmt.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/flb_parser_logfmt.c b/src/flb_parser_logfmt.c
index bb5a8f2fea6..8f72b22f803 100644
--- a/src/flb_parser_logfmt.c
+++ b/src/flb_parser_logfmt.c
@@ -182,7 +182,7 @@ static int logfmt_parser(struct flb_parser *parser,
                                 msgpack_pack_str(tmp_pck, 0);
                             }
                             else {
-                                msgpack_pack_nil(tmp_pck);
+                                msgpack_pack_true(tmp_pck);
                             }
                         }
                         else {