From c1b6583a190ace9247a1f81941d6be4382eb4f1e Mon Sep 17 00:00:00 2001
From: Matthias Ringwald <matthias@ringwald.ch>
Date: Thu, 5 Dec 2024 15:12:38 +0100
Subject: [PATCH] posix: fix warnings

---
 platform/posix/wav_util.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/platform/posix/wav_util.c b/platform/posix/wav_util.c
index b0aa0bcba..7f7c92151 100644
--- a/platform/posix/wav_util.c
+++ b/platform/posix/wav_util.c
@@ -192,7 +192,8 @@ int wav_reader_open(const char * filepath){
     }
 
     uint8_t buf[40];
-    fread(buf, 1, sizeof(buf), wav_reader_file);
+    size_t ret = fread(buf, 1, sizeof(buf), wav_reader_file);
+    btstack_assert( ret == sizeof(buf) );
 
     wav_reader_state.num_channels  = (uint8_t) little_endian_read_16(buf, 22);
     if ((wav_reader_state.num_channels < 1) || (wav_reader_state.num_channels > 2)) {