From d493ebc64f28b9724ff5c01c24db644f591a435d Mon Sep 17 00:00:00 2001
From: antifallobst <antifallobst@systemausfall.org>
Date: Tue, 2 May 2023 00:42:09 +0200
Subject: [PATCH] fix (stream): fixed bug that allowed reading nonexistent data

---
 src/utils/stream.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/utils/stream.c b/src/utils/stream.c
index 8124c12..9972598 100644
--- a/src/utils/stream.c
+++ b/src/utils/stream.c
@@ -20,8 +20,6 @@ void stream_destruct(stream_T* stream) {
     memory_free(stream);
 }
 
-#include "utils/logger.h"
-
 uint32_t stream_write(stream_T* stream, void* buffer_in, uint32_t n) {
     uint32_t num_top;
     uint32_t num_bottom;
@@ -43,6 +41,8 @@ uint32_t stream_write(stream_T* stream, void* buffer_in, uint32_t n) {
 }
 
 uint32_t stream_read(stream_T* stream, void* buffer_out, uint32_t n) {
+    if (stream->pos_sender == stream->pos_receiver) return 0;
+
     uint32_t num_top;
     uint32_t num_bottom;