update boost

linx64/include/boost/json/impl/static_resource.ipp

@@ -0,0 +1,79 @@
+//
+// Copyright (c) 2019 Vinnie Falco (vinnie.falco@gmail.com)
+//
+// Distributed under 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)
+//
+// Official repository: https://github.com/boostorg/json
+//
+
+#ifndef BOOST_JSON_IMPL_STATIC_RESOURCE_IPP
+#define BOOST_JSON_IMPL_STATIC_RESOURCE_IPP
+
+#include <boost/json/static_resource.hpp>
+#include <boost/throw_exception.hpp>
+#include <boost/align/align.hpp>
+#include <memory>
+
+namespace boost {
+namespace json {
+
+static_resource::
+~static_resource() noexcept = default;
+
+static_resource::
+static_resource(
+    unsigned char* buffer,
+    std::size_t size) noexcept
+    : p_(buffer)
+    , n_(size)
+    , size_(size)
+{
+}
+
+void
+static_resource::
+release() noexcept
+{
+    p_ = reinterpret_cast<
+        char*>(p_) - (size_ - n_);
+    n_ = size_;
+}
+
+void*
+static_resource::
+do_allocate(
+    std::size_t n,
+    std::size_t align)
+{
+    auto p = alignment::align(
+        align, n, p_, n_);
+    if(! p)
+        throw_exception( std::bad_alloc(), BOOST_CURRENT_LOCATION );
+    p_ = reinterpret_cast<char*>(p) + n;
+    n_ -= n;
+    return p;
+}
+
+void
+static_resource::
+do_deallocate(
+    void*,
+    std::size_t,
+    std::size_t)
+{
+    // do nothing
+}
+
+bool
+static_resource::
+do_is_equal(
+    memory_resource const& mr) const noexcept
+{
+    return this == &mr;
+}
+
+} // namespace json
+} // namespace boost
+
+#endif