[libc-commits] [libc] [libc] implement insque and remque (PR #80305)

[Nick Desaulniers via libc-commits]

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@@ -0,0 +1,21 @@
+//===-- Implementation of insque --------------------------------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "src/search/insque.h"
+#include "src/__support/common.h"
+#include "src/__support/invasive_list.h"
+
+namespace LIBC_NAMESPACE {
+
+LLVM_LIBC_FUNCTION(void, insque, (void *elem, void *prev)) {
+  internal::InvasiveList::insert(
+      static_cast<internal::InvasiveList::InvasiveNodeHeader *>(elem),
+      static_cast<internal::InvasiveList::InvasiveNodeHeader *>(prev));
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nickdesaulniers wrote:

would `using internal::InvasiveList;` in this function help make this more concise?

https://github.com/llvm/llvm-project/pull/80305