Files
ebusd/src/lib/ebus/dump.cpp
T
2014-11-06 16:08:11 +01:00

54 lines
1.2 KiB
C++

/*
* Copyright (C) Roland Jax 2012-2014 <ebusd@liwest.at>
*
* This file is part of ebusd.
*
* ebusd is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* ebusd 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with ebusd. If not, see http://www.gnu.org/licenses/.
*/
#include "dump.h"
#include <fstream>
#include <cstdio>
namespace libebus
{
int Dump::write(const char* byte)
{
int ret = 0;
std::ofstream fs(m_filename.c_str(), std::ios::out | std::ios::binary | std::ios::app);
if (fs == 0)
return -1;
fs.write(byte, 1);
if (fs.tellp() >= m_filesize * 1024) {
std::string oldfile;
oldfile += m_filename;
oldfile += ".old";
ret = rename(m_filename.c_str(), oldfile.c_str());
}
fs.close();
return ret;
}
} //namespace