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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- OpenVPN Inc.
//
// SPDX-License-Identifier: MPL-2.0 OR AGPL-3.0-only WITH openvpn3-openssl-exception
//
#ifndef OPENVPN_COMMON_LOGROTATE_H
#define OPENVPN_COMMON_LOGROTATE_H
#include <stdio.h> // for rename()
#include <openvpn/common/to_string.hpp>
namespace openvpn {
inline void log_rotate(const std::string &fn, const int max_versions)
{
for (int i = max_versions - 1; i >= 0; --i)
{
std::string src;
if (i)
src = fn + '.' + to_string(i);
else
src = fn;
std::string dest = fn + '.' + to_string(i + 1);
::rename(src.c_str(), dest.c_str());
}
}
} // namespace openvpn
#endif
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