From c1de1c563ed5e47a17e7d72a7ab2abcfda08b3be Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E4=B8=81=E6=AC=A3=E7=AB=A5?= <dingxintong@xiaomi.com>
Date: Wed, 13 Jan 2021 15:57:32 +0800
Subject: [PATCH] Add placement new and new[] function.
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N/A

Change-Id: I9f16f9c0c36f2619218a65d178100d54ced5f71b
Signed-off-by: 丁欣童 <dingxintong@xiaomi.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..1d31af08875 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;
+}
\ No newline at end of file
diff --git a/libs/libxx/libxx_newa.cxx b/libs/libxx/libxx_newa.cxx
index 8cab9f55e6d..d464e57301e 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;
+}
\ No newline at end of file