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// OpenVPN -- An application to securely tunnel IP networks
// over a single port, with support for SSL/TLS-based
// session authentication and key exchange,
// packet encryption, packet authentication, and
// packet compression.
//
// Copyright (C) 2012-2022 OpenVPN Inc.
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License Version 3
// as published by the Free Software Foundation.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program in the COPYING file.
// If not, see <http://www.gnu.org/licenses/>.
// A helper macro for setting up an arbitrary class
// to support stringstream concatenation using <<
#ifndef OPENVPN_COMMON_OSTREAM_H
#define OPENVPN_COMMON_OSTREAM_H
#include <ostream>
#include <string>
#define OPENVPN_OSTREAM(TYPE, METH) \
template <typename Elem, typename Traits> \
std::basic_ostream<Elem, Traits> &operator<<( \
std::basic_ostream<Elem, Traits> &os, const TYPE &addr) \
{ \
os << addr.METH(); \
return os; \
}
#endif // OPENVPN_COMMON_OSTREAM_H
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