From 017f629fc775629dd22422da6d73325b4bc396d7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Niklas=20S=C3=B6derlund?= <niklas.soderlund@ragnatech.se>
Date: Sat, 22 May 2021 17:14:51 +0200
Subject: test: byte-stream-buffer: Initialize data array
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Fix compiler warning about variable use before being initialized that
appears with gcc 11.1.0.
test/byte-stream-buffer.cpp:31:63: error: ‘data’ may be used uninitialized [-Werror=maybe-uninitialized]
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Umang Jain <umang.jain@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
---
test/byte-stream-buffer.cpp | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/test/byte-stream-buffer.cpp b/test/byte-stream-buffer.cpp
index d606f146..04ff0571 100644
--- a/test/byte-stream-buffer.cpp
+++ b/test/byte-stream-buffer.cpp
@@ -20,7 +20,12 @@ class ByteStreamBufferTest : public Test
protected:
int run()
{
- std::array<uint8_t, 100> data;
+ /*
+ * gcc 11.1.0 incorrectly raises a maybe-uninitialized warning
+ * when calling data.size() below (if the address sanitizer is
+ * disabled). Silence it by initializing the array.
+ */
+ std::array<uint8_t, 100> data = {};
unsigned int i;
uint32_t value;
int ret;
--
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