From 4c23c47ebea5940ef634d4de23aa5c71f1f4c74d Mon Sep 17 00:00:00 2001
From: John Maddock <john@johnmaddock.co.uk>
Date: Mon, 23 Nov 2009 13:23:15 +0000
Subject: [PATCH] Add support for MS style __int64 when long long is not
 available. Fixes #3084.

[SVN r57863]
---
 include/boost/integer_fwd.hpp    |  2 +-
 include/boost/integer_traits.hpp | 14 ++++++++++++++
 2 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/include/boost/integer_fwd.hpp b/include/boost/integer_fwd.hpp
index 34183d8..ae3d0f1 100644
--- a/include/boost/integer_fwd.hpp
+++ b/include/boost/integer_fwd.hpp
@@ -65,7 +65,7 @@ template <  >
 template <  >
     class integer_traits< unsigned long >;
 
-#if !defined(BOOST_NO_INTEGRAL_INT64_T) && !defined(BOOST_NO_INT64_T) && defined(BOOST_HAS_LONG_LONG)
+#if !defined(BOOST_NO_INTEGRAL_INT64_T) && !defined(BOOST_NO_INT64_T) && (defined(BOOST_HAS_LONG_LONG) || defined(BOOST_HAS_MS_INT64))
 template <  >
     class integer_traits<  ::boost::long_long_type>;
 
diff --git a/include/boost/integer_traits.hpp b/include/boost/integer_traits.hpp
index 8011618..34b3570 100644
--- a/include/boost/integer_traits.hpp
+++ b/include/boost/integer_traits.hpp
@@ -236,6 +236,20 @@ class integer_traits< ::boost::ulong_long_type>
     public detail::integer_traits_base< ::boost::ulong_long_type, 0, ~0uLL>
 { };
 
+#elif defined(BOOST_HAS_MS_INT64)
+
+template<>
+class integer_traits< __int64>
+  : public std::numeric_limits< __int64>,
+    public detail::integer_traits_base< __int64, _I64_MIN, _I64_MAX>
+{ };
+
+template<>
+class integer_traits< unsigned __int64>
+  : public std::numeric_limits< unsigned __int64>,
+    public detail::integer_traits_base< unsigned __int64, 0, _UI64_MAX>
+{ };
+
 #endif
 #endif