1 files changed, 16 insertions, 0 deletions
diff --git a/src/catch2/internal/catch_errno_guard.cpp b/src/catch2/internal/catch_errno_guard.cpp
new file mode 100644
index 0000000..3bbf8b4
--- /dev/null
+++ b/src/catch2/internal/catch_errno_guard.cpp
@@ -0,0 +1,16 @@
+
+//              Copyright Catch2 Authors
+// Distributed under the Boost Software License, Version 1.0.
+//   (See accompanying file LICENSE.txt or copy at
+//        https://www.boost.org/LICENSE_1_0.txt)
+
+// SPDX-License-Identifier: BSL-1.0
+
+#include <catch2/internal/catch_errno_guard.hpp>
+
+#include <cerrno>
+
+namespace Catch {
+        ErrnoGuard::ErrnoGuard():m_oldErrno(errno){}
+        ErrnoGuard::~ErrnoGuard() { errno = m_oldErrno; }
+}