From c618d0447bfe7535c4f3ef6c6cbb8cdcaf5fb85f Mon Sep 17 00:00:00 2001
From: dingxintong <dingddding@163.com>
Date: Wed, 13 Jan 2021 20:10:25 +0800
Subject: [PATCH] Add placement new and new[] function.

Signed-off-by: dingxintong <dingddding@163.com>
---
 libs/libxx/libxx_new.cxx  | 15 +++++++++++++++
 libs/libxx/libxx_newa.cxx | 15 +++++++++++++++
 2 files changed, 30 insertions(+)

diff --git a/libs/libxx/libxx_new.cxx b/libs/libxx/libxx_new.cxx
index 652eb342fd3..e0f8894b45e 100644
--- a/libs/libxx/libxx_new.cxx
+++ b/libs/libxx/libxx_new.cxx
@@ -88,3 +88,18 @@ FAR void *operator new(std::size_t nbytes)
 
   return alloc;
 }
+
+FAR void *operator new(std::size_t nbytes, FAR void *ptr)
+{
+
+#ifdef CONFIG_DEBUG_ERROR
+  if (ptr == nullptr)
+    {
+      _err("ERROR: Failed to placement new\n");
+    }
+#endif
+
+  // Return the ptr pointer
+
+  return ptr;
+}
diff --git a/libs/libxx/libxx_newa.cxx b/libs/libxx/libxx_newa.cxx
index 8cab9f55e6d..8c3b8a464cc 100644
--- a/libs/libxx/libxx_newa.cxx
+++ b/libs/libxx/libxx_newa.cxx
@@ -96,3 +96,18 @@ FAR void *operator new[](std::size_t nbytes)
 
   return alloc;
 }
+
+FAR void *operator new[](std::size_t nbytes, FAR void *ptr)
+{
+
+#ifdef CONFIG_DEBUG_ERROR
+  if (ptr == nullptr)
+    {
+      _err("ERROR: Failed to placement new[]\n");
+    }
+#endif
+
+  // Return the ptr pointer
+
+  return ptr;
+}