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-rw-r--r--pw_minimal_cpp_stdlib/public/pw_minimal_cpp_stdlib/internal/memory.h39
1 files changed, 39 insertions, 0 deletions
diff --git a/pw_minimal_cpp_stdlib/public/pw_minimal_cpp_stdlib/internal/memory.h b/pw_minimal_cpp_stdlib/public/pw_minimal_cpp_stdlib/internal/memory.h
new file mode 100644
index 000000000..500db85e9
--- /dev/null
+++ b/pw_minimal_cpp_stdlib/public/pw_minimal_cpp_stdlib/internal/memory.h
@@ -0,0 +1,39 @@
+// Copyright 2023 The Pigweed Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License"); you may not
+// use this file except in compliance with the License. You may obtain a copy of
+// the License at
+//
+// https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+// License for the specific language governing permissions and limitations under
+// the License.
+#pragma once
+
+#include "pw_polyfill/standard_library/namespace.h"
+
+_PW_POLYFILL_BEGIN_NAMESPACE_STD
+
+template <typename T>
+T* addressof(T& arg) noexcept {
+ return reinterpret_cast<T*>(
+ const_cast<char*>(reinterpret_cast<const volatile char*>(&arg)));
+}
+
+template <typename T>
+T* addressof(T&& arg) = delete;
+
+template <typename T>
+struct pointer_traits;
+
+template <typename T>
+struct pointer_traits<T*> {
+ using pointer = T*;
+ using element_type = T;
+ using difference_type = decltype((const char*)1 - (const char*)1);
+};
+
+_PW_POLYFILL_END_NAMESPACE_STD