add Sid class

It's another newcomer straight from privilege-check.

1 files changed, 24 insertions, 0 deletions

diff --git a/include/winapi/utils.hpp b/include/winapi/utils.hpp
new file mode 100644
index 0000000..8e8407c
--- /dev/null
+++ b/include/winapi/utils.hpp
@@ -0,0 +1,24 @@
+// Copyright (c) 2020 Egor Tensin <Egor.Tensin@gmail.com>
+// This file is part of the "winapi-common" project.
+// For details, see https://github.com/egor-tensin/winapi-common.
+// Distributed under the MIT License.
+
+#pragma once
+
+#include <windows.h>
+
+#include <cassert>
+
+#define WINAPI_UNUSED_PARAMETER(...) (void)(__VA_ARGS__)
+
+namespace winapi {
+
+struct LocalDelete {
+    void operator()(void* ptr) const {
+        const auto ret = ::LocalFree(ptr);
+        assert(ret == NULL);
+        WINAPI_UNUSED_PARAMETER(ret);
+    }
+};
+
+} // namespace winapi