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[lyx.git] / boost / boost / integer_traits.hpp

diff --git a/boost/boost/integer_traits.hpp b/boost/boost/integer_traits.hpp
index f21a968979711d91b0d6cb533565cd874b7bf4f3..aec1028087e486ef490d67be5cccdb70d70bc2f4 100644 (file)
--- a/boost/boost/integer_traits.hpp
+++ b/boost/boost/integer_traits.hpp
@@ -5,7 +5,7 @@
  * accompanying file LICENSE_1_0.txt or copy at
  * http://www.boost.org/LICENSE_1_0.txt)
  *
- * $Id: integer_traits.hpp,v 1.25 2004/09/04 10:34:47 johnmaddock Exp $
+ * $Id: integer_traits.hpp 75471 2011-11-13 06:10:55Z jewillco $
  *
  * Idea by Beman Dawes, Ed Brey, Steve Cleary, and Nathan Myers
  */
@@ -21,10 +21,23 @@
 
 // These are an implementation detail and not part of the interface
 #include <limits.h>
-#if !defined(BOOST_NO_INTRINSIC_WCHAR_T) && !defined(BOOST_NO_CWCHAR)
+// we need wchar.h for WCHAR_MAX/MIN but not all platforms provide it,
+// and some may have <wchar.h> but not <cwchar> ...
+#if !defined(BOOST_NO_INTRINSIC_WCHAR_T) && (!defined(BOOST_NO_CWCHAR) || defined(sun) || defined(__sun) || defined(__QNX__))
 #include <wchar.h>
 #endif
 
+//
+// We simply cannot include this header on gcc without getting copious warnings of the kind:
+//
+// ../../../boost/integer_traits.hpp:164:66: warning: use of C99 long long integer constant
+//
+// And yet there is no other reasonable implementation, so we declare this a system header
+// to suppress these warnings.
+//
+#if defined(__GNUC__) && (__GNUC__ >= 4)
+#pragma GCC system_header
+#endif
 
 namespace boost {
 template<class T>
@@ -86,7 +99,9 @@ class integer_traits<unsigned char>
 template<>
 class integer_traits<wchar_t>
   : public std::numeric_limits<wchar_t>,
-#if defined(WCHAR_MIN) && defined(WCHAR_MAX)
+    // Don't trust WCHAR_MIN and WCHAR_MAX with Mac OS X's native
+    // library: they are wrong!
+#if defined(WCHAR_MIN) && defined(WCHAR_MAX) && !defined(__APPLE__)
     public detail::integer_traits_base<wchar_t, WCHAR_MIN, WCHAR_MAX>
 #elif defined(__BORLANDC__) || defined(__CYGWIN__) || defined(__MINGW32__) || (defined(__BEOS__) && defined(__GNUC__))
     // No WCHAR_MIN and WCHAR_MAX, whar_t is short and unsigned:
@@ -212,7 +227,7 @@ class integer_traits< ::boost::ulong_long_type>
 template<>
 class integer_traits< ::boost::long_long_type>
   : public std::numeric_limits< ::boost::long_long_type>,
-    public detail::integer_traits_base< ::boost::long_long_type, (1LL << (sizeof(::boost::long_long_type) - 1)), ~(1LL << (sizeof(::boost::long_long_type) - 1))>
+    public detail::integer_traits_base< ::boost::long_long_type, (1LL << (sizeof(::boost::long_long_type) * CHAR_BIT - 1)), ~(1LL << (sizeof(::boost::long_long_type) * CHAR_BIT - 1))>
 { };
 
 template<>
@@ -221,6 +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