From 2dee9ff16dc46b6358c5a9e9147c64748893ebcc Mon Sep 17 00:00:00 2001
From: Martin Piatka <piatka@cesnet.cz>
Date: Tue, 8 Mar 2022 15:41:43 +0100
Subject: [PATCH] ring_buffer: assert size > 0

Otherwise it crashes elsewhere on division by 0.
---
 src/utils/ring_buffer.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/utils/ring_buffer.cpp b/src/utils/ring_buffer.cpp
index 8bb09d80b..148899ae6 100644
--- a/src/utils/ring_buffer.cpp
+++ b/src/utils/ring_buffer.cpp
@@ -64,6 +64,7 @@ struct ring_buffer {
 };
 
 struct ring_buffer *ring_buffer_init(int size) {
+        assert(size > 0);
         auto ring = new ring_buffer();
         
         ring->data = std::make_unique<char[]>(size);