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/**
* Copyright © 2016 IBM Corporation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <cstdlib>
#include <fstream>
#include "env.hpp"
#include "hwmon.hpp"
namespace env {
std::string getEnv(const char* key)
{
auto value = std::getenv(key);
return (value) ? std::string(value) : std::string();
}
std::string getEnv(
const char* prefix, const SensorSet::key_type& sensor)
{
std::string key;
key.assign(prefix);
key.append(1, '_');
key.append(sensor.first);
key.append(sensor.second);
return getEnv(key.c_str());
}
std::string getEnv(
const char* prefix,
const std::string& type,
const std::string& id)
{
SensorSet::key_type sensor{type, id};
return getEnv(prefix, sensor);
}
std::string getIndirectID(
std::string path,
const SensorSet::key_type& sensor)
{
std::string content;
path.append(sensor.first);
path.append(sensor.second);
path.append(1, '_');
path.append(hwmon::entry::label);
std::ifstream handle(path.c_str());
if (!handle.fail())
{
content.assign(
(std::istreambuf_iterator<char>(handle)),
(std::istreambuf_iterator<char>()));
if (!content.empty())
{
//remove the newline
content.pop_back();
}
}
return content;
}
} // namespace env
// vim: tabstop=8 expandtab shiftwidth=4 softtabstop=4
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