From f906959a09d58c85d87b445fd1791d91bf278bfa Mon Sep 17 00:00:00 2001
From: Ben Longbons <b.r.longbons@gmail.com>
Date: Fri, 15 Nov 2013 17:51:29 -0800
Subject: Use new IO classes

---
 src/common/utils2.hpp | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'src/common/utils2.hpp')

diff --git a/src/common/utils2.hpp b/src/common/utils2.hpp
index 978ae54..adcb465 100644
--- a/src/common/utils2.hpp
+++ b/src/common/utils2.hpp
@@ -284,4 +284,12 @@ T maybe_cast(U u)
     return u;
 }
 
+template<class T, class U>
+typename std::remove_pointer<T>::type *sign_cast(U *u)
+{
+    typedef typename std::remove_pointer<T>::type T_;
+    static_assert(sizeof(T_) == sizeof(U), "sign cast must be same size");
+    return reinterpret_cast<T_ *>(u);
+}
+
 #endif // UTILS2_HPP
-- 
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