From 3b5f97ee0463d0c36ea59fb7fbb1a06c8dae209b Mon Sep 17 00:00:00 2001
From: Laurent Rineau <Laurent.Rineau__CGAL@normalesup.org>
Date: Thu, 24 Jun 2010 13:27:24 +0000
Subject: [PATCH] Fix binary I/O for unsigned integral types (such as
 std::size_t).

---
 iostream/include/CGAL/IO/io_tags.h | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/iostream/include/CGAL/IO/io_tags.h b/iostream/include/CGAL/IO/io_tags.h
index 6cf167226aa..179aa023b5e 100644
--- a/iostream/include/CGAL/IO/io_tags.h
+++ b/iostream/include/CGAL/IO/io_tags.h
@@ -25,6 +25,8 @@
 #ifndef CGAL_IO_TAGS_H
 #define CGAL_IO_TAGS_H
 
+#include <cstddef>
+
 namespace CGAL {
 
 struct io_Read_write{};
@@ -43,6 +45,13 @@ template<> struct Io_traits<int> { typedef io_Read_write Io_tag; };
 template<> struct Io_traits<long> { typedef io_Read_write Io_tag; };
 template<> struct Io_traits<long long> { typedef io_Read_write Io_tag; };
 
+template<> struct Io_traits<unsigned char>{ typedef io_Read_write Io_tag; }; 
+
+template<> struct Io_traits<unsigned short> { typedef io_Read_write Io_tag; };
+template<> struct Io_traits<unsigned int> { typedef io_Read_write Io_tag; };
+template<> struct Io_traits<unsigned long> { typedef io_Read_write Io_tag; };
+template<> struct Io_traits<unsigned long long> { typedef io_Read_write Io_tag; };
+
 template<> struct Io_traits<float> { typedef io_Read_write Io_tag; };
 template<> struct Io_traits<double> { typedef io_Read_write Io_tag; };
 template<> struct Io_traits<long double> { typedef io_Read_write Io_tag; };