From c161b1c4b1fcb70a30b5898a7c6f25c6a6058212 Mon Sep 17 00:00:00 2001
From: Arne Welzel <arne.welzel@corelight.com>
Date: Mon, 9 Oct 2023 09:57:56 +0200
Subject: [PATCH] util/setvbuf: Respect buf argument

---
 src/util.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/util.cc b/src/util.cc
index 9d38ea69ca..6536081a34 100644
--- a/src/util.cc
+++ b/src/util.cc
@@ -1025,7 +1025,7 @@ void set_thread_name(const char* name, pthread_t tid)
 int setvbuf(FILE* stream, char* buf, int type, size_t size)
 	{
 #ifndef _MSC_VER
-	return ::setvbuf(stream, NULL, type, size);
+	return ::setvbuf(stream, buf, type, size);
 #else
 	// TODO: this turns off buffering altogether because Windows wants us to pass a valid
 	// buffer and length if we're going to pass one of the other modes. We need to