From 767adc92c8cec7fd27649bf98d5bd5d1275670cf Mon Sep 17 00:00:00 2001
From: Chris Manton <cmanton@google.com>
Date: Mon, 8 Mar 2021 10:05:41 -0800
Subject: [PATCH] Template prep for bta hardening

Syntactic sugar to wrangle next Union battle

Towards readable code

Bug: 163134718
Test: cert
Tag: #refactor
Change-Id: I5921b2ab188f1062b0c1ad19bf9e2d0e2c8017db
---
 bta/sys/bta_sys.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/bta/sys/bta_sys.h b/bta/sys/bta_sys.h
index b2926963c..407a51efd 100644
--- a/bta/sys/bta_sys.h
+++ b/bta/sys/bta_sys.h
@@ -45,6 +45,11 @@ typedef bool(tBTA_SYS_EVT_HDLR)(BT_HDR* p_msg);
 /* disable function type */
 typedef void(tBTA_SYS_DISABLE)(void);
 
+template <typename T, typename U>
+inline const T* Specialize(U* u) {
+  return const_cast<const T*>(reinterpret_cast<T*>(u));
+}
+
 #ifndef BTA_DM_NUM_JV_ID
 #define BTA_DM_NUM_JV_ID 2
 #endif
-- 
2.11.0