/*
	This file is part of cpp-ethereum.

	cpp-ethereum 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.

	cpp-ethereum 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 cpp-ethereum.  If not, see <http://www.gnu.org/licenses/>.
*/
/** @file CommonIO.cpp
 * @author Gav Wood <i@gavwood.com>
 * @date 2014
 */

#include "Common.h"

#include <fstream>
#include "Exceptions.h"
using namespace std;
using namespace eth;

bytes eth::contents(std::string const& _file)
{
	std::ifstream is(_file, std::ifstream::binary);
	if (!is)
		return bytes();
	// get length of file:
	is.seekg (0, is.end);
	streamoff length = is.tellg();
	is.seekg (0, is.beg);
	bytes ret(length);
	is.read((char*)ret.data(), length);
	is.close();
	return ret;
}

void eth::writeFile(std::string const& _file, bytes const& _data)
{
	ofstream(_file, ios::trunc).write((char const*)_data.data(), _data.size());
}