Replace boost by the standalone asio library

1 files changed, 111 insertions, 0 deletions

diff --git a/lib/asio/ssl/error.hpp b/lib/asio/ssl/error.hpp
new file mode 100644
index 0000000..6165c5c
--- /dev/null
+++ b/lib/asio/ssl/error.hpp
@@ -0,0 +1,111 @@
+//
+// ssl/error.hpp
+// ~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot 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)
+//
+
+#ifndef ASIO_SSL_ERROR_HPP
+#define ASIO_SSL_ERROR_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/config.hpp"
+#include "asio/error_code.hpp"
+#include "asio/ssl/detail/openssl_types.hpp"
+
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+namespace error {
+
+enum ssl_errors
+{
+  // Error numbers are those produced by openssl.
+};
+
+extern ASIO_DECL
+const asio::error_category& get_ssl_category();
+
+static const asio::error_category&
+  ssl_category ASIO_UNUSED_VARIABLE
+  = asio::error::get_ssl_category();
+
+} // namespace error
+namespace ssl {
+namespace error {
+
+enum stream_errors
+{
+#if defined(GENERATING_DOCUMENTATION)
+  /// The underlying stream closed before the ssl stream gracefully shut down.
+  stream_truncated
+#elif (OPENSSL_VERSION_NUMBER < 0x10100000L) && !defined(OPENSSL_IS_BORINGSSL)
+  stream_truncated = ERR_PACK(ERR_LIB_SSL, 0, SSL_R_SHORT_READ)
+#else
+  stream_truncated = 1
+#endif
+};
+
+extern ASIO_DECL
+const asio::error_category& get_stream_category();
+
+static const asio::error_category&
+  stream_category ASIO_UNUSED_VARIABLE
+  = asio::ssl::error::get_stream_category();
+
+} // namespace error
+} // namespace ssl
+} // namespace asio
+
+#if defined(ASIO_HAS_STD_SYSTEM_ERROR)
+namespace std {
+
+template<> struct is_error_code_enum<asio::error::ssl_errors>
+{
+  static const bool value = true;
+};
+
+template<> struct is_error_code_enum<asio::ssl::error::stream_errors>
+{
+  static const bool value = true;
+};
+
+} // namespace std
+#endif // defined(ASIO_HAS_STD_SYSTEM_ERROR)
+
+namespace asio {
+namespace error {
+
+inline asio::error_code make_error_code(ssl_errors e)
+{
+  return asio::error_code(
+      static_cast<int>(e), get_ssl_category());
+}
+
+} // namespace error
+namespace ssl {
+namespace error {
+
+inline asio::error_code make_error_code(stream_errors e)
+{
+  return asio::error_code(
+      static_cast<int>(e), get_stream_category());
+}
+
+} // namespace error
+} // namespace ssl
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#if defined(ASIO_HEADER_ONLY)
+# include "asio/ssl/impl/error.ipp"
+#endif // defined(ASIO_HEADER_ONLY)
+
+#endif // ASIO_SSL_ERROR_HPP