From 99ae9b83b42abbe54c059ae964b737b64ae17df9 Mon Sep 17 00:00:00 2001
From: Daan De Meyer <daan.j.demeyer@gmail.com>
Date: Wed, 15 Sep 2021 13:05:46 +0100
Subject: [PATCH] sd-journal: Ignore data threshold if set to zero in
 sd_journal_enumerate_fields()

According to the documentation, Setting the data threshold to zero disables the
data threshold alltogether. Let's make sure we actually implement this behaviour
in sd_journal_enumerate_fields() by only applying the data threshold if it exceeds
zero.

(cherry picked from commit adbd80f51088058d55e703abe0ac11476cfe0ba4)

Conflict:NA
Reference:https://github.com/systemd/systemd/commit/99ae9b83b42abbe54c059ae964b737b64ae17df9
---
 src/libsystemd/sd-journal/sd-journal.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/libsystemd/sd-journal/sd-journal.c b/src/libsystemd/sd-journal/sd-journal.c
index a2fbc1b037..b3240177cb 100644
--- a/src/libsystemd/sd-journal/sd-journal.c
+++ b/src/libsystemd/sd-journal/sd-journal.c
@@ -3178,7 +3178,7 @@ _public_ int sd_journal_enumerate_fields(sd_journal *j, const char **field) {
                 if (memchr(o->field.payload, 0, sz))
                         return -EBADMSG;
 
-                if (sz > j->data_threshold)
+                if (j->data_threshold > 0 && sz > j->data_threshold)
                         sz = j->data_threshold;
 
                 if (!GREEDY_REALLOC(j->fields_buffer, sz + 1))
-- 
2.33.0