From df4287c3c763de14b262ed39d54b3de552adbefb Mon Sep 17 00:00:00 2001
From: Jack Lloyd <jack@randombit.net>
Date: Thu, 31 Aug 2017 07:13:58 -0400
Subject: Fix various MSVC warnings

Based on VC2017 output
---
 src/lib/block/cast/cast128.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'src/lib/block/cast/cast128.cpp')

diff --git a/src/lib/block/cast/cast128.cpp b/src/lib/block/cast/cast128.cpp
index d955dfeef..26076e128 100644
--- a/src/lib/block/cast/cast128.cpp
+++ b/src/lib/block/cast/cast128.cpp
@@ -323,7 +323,11 @@ void CAST_128::cast_ks(secure_vector<uint32_t>& K,
    class ByteReader
       {
       public:
-         uint8_t operator()(size_t i) { return (m_X[i/4] >> (8*(3 - (i%4)))); }
+         uint8_t operator()(size_t i) const
+            {
+            return static_cast<uint8_t>(m_X[i/4] >> (8*(3 - (i%4))));
+            }
+
          explicit ByteReader(const uint32_t* x) : m_X(x) {}
       private:
          const uint32_t* m_X;
-- 
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