From: Aki Tuomi <aki.tuomi@open-xchange.com>
Date: Tue, 28 Jan 2025 14:10:10 +0000 (+0200)
Subject: lib-var-expand: Ensure provider returns either error or value
X-Git-Tag: 2.4.1~240
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=49abb6018801fae122e25b95a19a86e7ef06d6c8;p=thirdparty%2Fdovecot%2Fcore.git

lib-var-expand: Ensure provider returns either error or value
---

diff --git a/src/lib-var-expand/var-expand.c b/src/lib-var-expand/var-expand.c
index 960412045b..d1e3e20525 100644
--- a/src/lib-var-expand/var-expand.c
+++ b/src/lib-var-expand/var-expand.c
@@ -392,6 +392,8 @@ static int call_value_provider(const struct var_expand_state *state,
 		ret = -1;
 	}
 
+	i_assert(*value_r != NULL || ret == -1);
+
 	return ret;
 }