From 66e6af89ce413ed7bb9f427d64250c6cc4bc3120 Mon Sep 17 00:00:00 2001
From: kenshi84 <kenshi84@protonmail.ch>
Date: Fri, 16 Dec 2016 18:10:03 +0900
Subject: added experimental boost::archive::portable_binary_{i|o}archive

---
 external/boost/src/portable_binary_oarchive.cpp | 102 ++++++++++++++++++++++++
 1 file changed, 102 insertions(+)
 create mode 100644 external/boost/src/portable_binary_oarchive.cpp

(limited to 'external/boost/src/portable_binary_oarchive.cpp')

diff --git a/external/boost/src/portable_binary_oarchive.cpp b/external/boost/src/portable_binary_oarchive.cpp
new file mode 100644
index 000000000..ee6215bd3
--- /dev/null
+++ b/external/boost/src/portable_binary_oarchive.cpp
@@ -0,0 +1,102 @@
+/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
+// portable_binary_oarchive.cpp
+
+// (C) Copyright 2002-7 Robert Ramey - http://www.rrsd.com . 
+// Use, modification and distribution is subject to the Boost Software
+// License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+
+//  See http://www.boost.org for updates, documentation, and revision history.
+
+#include <ostream>
+#include <boost/detail/endian.hpp>
+#include <boost/archive/portable_binary_oarchive.hpp>
+
+namespace boost { namespace archive {
+
+void 
+portable_binary_oarchive::save_impl(
+    const boost::intmax_t l,
+    const char maxsize
+){
+    char size = 0;
+
+    if(l == 0){
+        this->primitive_base_t::save(size);
+        return;
+    }
+
+    boost::intmax_t ll;
+    bool negative = (l < 0);
+    if(negative)
+        ll = -l;
+    else
+        ll = l;
+
+    do{
+        ll >>= CHAR_BIT;
+        ++size;
+    }while(ll != 0);
+
+    this->primitive_base_t::save(
+        static_cast<char>(negative ? -size : size)
+    );
+
+    if(negative)
+        ll = -l;
+    else
+        ll = l;
+    char * cptr = reinterpret_cast<char *>(& ll);
+    #ifdef BOOST_BIG_ENDIAN
+        cptr += (sizeof(boost::intmax_t) - size);
+        if(m_flags & endian_little)
+            reverse_bytes(size, cptr);
+    #else
+        if(m_flags & endian_big)
+            reverse_bytes(size, cptr);
+    #endif
+    this->primitive_base_t::save_binary(cptr, size);
+}
+
+void 
+portable_binary_oarchive::init(unsigned int flags) {
+    if(m_flags == (endian_big | endian_little)){
+        boost::serialization::throw_exception(
+            portable_binary_oarchive_exception()
+        );
+    }
+    if(0 == (flags & boost::archive::no_header)){
+        // write signature in an archive version independent manner
+        const std::string file_signature(
+            boost::archive::BOOST_ARCHIVE_SIGNATURE()
+        );
+        * this << file_signature;
+        // write library version
+        const boost::archive::library_version_type v(
+            boost::archive::BOOST_ARCHIVE_VERSION()
+        );
+        * this << v;
+    }
+    save(static_cast<unsigned char>(m_flags >> CHAR_BIT));
+}
+
+} }
+
+#include <boost/archive/impl/archive_serializer_map.ipp>
+#include <boost/archive/impl/basic_binary_oprimitive.ipp>
+
+namespace boost {
+namespace archive {
+
+namespace detail {
+    template class archive_serializer_map<portable_binary_oarchive>;
+}
+
+template class basic_binary_oprimitive<
+    portable_binary_oarchive,
+    std::ostream::char_type, 
+    std::ostream::traits_type
+> ;
+
+} // namespace archive
+} // namespace boost
-- 
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