chore: import upstream snapshot with attribution

2026-07-13 12:16:02 +08:00
commit 79031da543
8235 changed files with 1365916 additions and 0 deletions
@@ -0,0 +1,26 @@
+#pragma once
+
+#include <optional>
+#include <string>
+#include <system_error>
+#include <Windows.h>
+
+inline std::optional<std::wstring> get_last_error_message(const DWORD dw)
+{
+    std::optional<std::wstring> message;
+    try
+    {
+        const auto msg = std::system_category().message(dw);
+        message.emplace(begin(msg), end(msg));
+    }
+    catch (...)
+    {
+    }
+    return message;
+}
+
+inline std::wstring get_last_error_or_default(const DWORD dw)
+{
+    auto message = get_last_error_message(dw);
+    return message.has_value() ? message.value() : L"";
+}