import quincy beta 17.1.0

[ceph.git] / ceph / src / boost / boost / json / detail / impl / stack.ipp

diff --git a/ceph/src/boost/boost/json/detail/impl/stack.ipp b/ceph/src/boost/boost/json/detail/impl/stack.ipp
new file mode 100644 (file)
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+++ b/ceph/src/boost/boost/json/detail/impl/stack.ipp
@@ -0,0 +1,47 @@
+//
+// 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_DETAIL_IMPL_STACK_IPP
+#define BOOST_JSON_DETAIL_IMPL_STACK_IPP
+
+#include <boost/json/detail/stack.hpp>
+
+BOOST_JSON_NS_BEGIN
+namespace detail {
+
+stack::
+~stack()
+{
+    if(buf_)
+        sp_->deallocate(
+            buf_, cap_);
+}
+
+void
+stack::
+reserve(std::size_t n)
+{
+    if(cap_ >= n)
+        return;
+    auto const buf = static_cast<
+        char*>(sp_->allocate(n));
+    if(buf_)
+    {
+        if(size_ > 0)
+            std::memcpy(buf, buf_, size_);
+        sp_->deallocate(buf_, cap_);
+    }
+    buf_ = buf;
+    cap_ = n;
+}
+
+} // detail
+BOOST_JSON_NS_END
+
+#endif