From 437d0360ab79897c0c63ffe3254dc72eda73c545 Mon Sep 17 00:00:00 2001
From: Julian Oes <julian@oes.ch>
Date: Wed, 11 Dec 2024 14:13:37 +1300
Subject: [PATCH] core: fix Windows build (#2466)

---
 src/mavsdk/core/serial_connection.cpp | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/mavsdk/core/serial_connection.cpp b/src/mavsdk/core/serial_connection.cpp
index df92bf61d..bddd5568c 100644
--- a/src/mavsdk/core/serial_connection.cpp
+++ b/src/mavsdk/core/serial_connection.cpp
@@ -276,8 +276,12 @@ std::pair<bool, std::string> SerialConnection::send_message(const mavlink_messag
     send_len = static_cast<int>(write(_fd, buffer, buffer_len));
 #else
     if (!WriteFile(_handle, buffer, buffer_len, LPDWORD(&send_len), NULL)) {
-        LogErr() << "WriteFile failure: " << GET_ERROR();
-        return false;
+        std::stringstream ss;
+        ss << "WriteFile failure: " << GET_ERROR();
+        LogErr() << ss.str();
+        result.first = false;
+        result.second = ss.str();
+        return result;
     }
 #endif