From 12640b17eb75c2b7cb2a327fd71619d3d17cb008 Mon Sep 17 00:00:00 2001
From: kangping <wgtdkp@google.com>
Date: Mon, 11 Jan 2021 00:32:01 +0800
Subject: [PATCH] [posix] set external heap callbacks (#6054)

---
 src/posix/platform/system.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/posix/platform/system.cpp b/src/posix/platform/system.cpp
index ede5fdfb2..9e0018771 100644
--- a/src/posix/platform/system.cpp
+++ b/src/posix/platform/system.cpp
@@ -39,6 +39,7 @@
 
 #include <openthread-core-config.h>
 #include <openthread/border_router.h>
+#include <openthread/heap.h>
 #include <openthread/tasklet.h>
 #include <openthread/platform/alarm-milli.h>
 #include <openthread/platform/otns.h>
@@ -94,6 +95,10 @@ otInstance *otSysInit(otPlatformConfig *aPlatformConfig)
     instance = otInstanceInitSingle();
     assert(instance != nullptr);
 
+#if OPENTHREAD_CONFIG_HEAP_EXTERNAL_ENABLE
+    otHeapSetCAllocFree(calloc, free);
+#endif
+
 #if OPENTHREAD_CONFIG_BACKBONE_ROUTER_ENABLE
     platformBackboneInit(instance, aPlatformConfig->mBackboneInterfaceName);
 #endif