From d75c595eac9c44b2c0b36a5e574d3c299ff468c3 Mon Sep 17 00:00:00 2001
From: Thiago Macieira <thiago.macieira@intel.com>
Date: Wed, 11 May 2022 07:23:20 -0700
Subject: qtestcase.cpp: fix warning about ignoring the result of writev()

I don't get it on openSUSE Tumbleweed, but this is not the only place I
don't get a warn_unused_result warning and it happens elsewhere.

Change-Id: I7e305799c8594ebab255fffd16ee12ff30df6d4d
Reviewed-by: Marc Mutz <marc.mutz@qt.io>
---
 src/testlib/qtestcase.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'src/testlib/qtestcase.cpp')

diff --git a/src/testlib/qtestcase.cpp b/src/testlib/qtestcase.cpp
index 661959ff3e..42c6f7aeb5 100644
--- a/src/testlib/qtestcase.cpp
+++ b/src/testlib/qtestcase.cpp
@@ -117,10 +117,10 @@ static struct iovec IoVec(const char *str)
     return r;
 }
 
-template <typename... Args> static void writeToStderr(Args &&... args)
+template <typename... Args> static ssize_t writeToStderr(Args &&... args)
 {
     struct iovec vec[] = { IoVec(std::forward<Args>(args))... };
-    ::writev(STDERR_FILENO, vec, std::size(vec));
+    return ::writev(STDERR_FILENO, vec, std::size(vec));
 }
 
 // async-signal-safe conversion from int to string
-- 
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