blob: d77200e2085e9051132cc9a14ac68dd4064382a4 [file] [log] [blame]
Brad Bishopf3df6b42017-01-06 10:14:09 -05001/**
2 * Copyright © 2016 IBM Corporation
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#include <string>
18#include <cstdlib>
19#include "sensorset.hpp"
20
21std::string getEnv(
22 const char* prefix, const SensorSet::key_type& sensor)
23{
24 std::string key;
25 std::string value;
26
27 key.assign(prefix);
28 key.append(1, '_');
29 key.append(sensor.first);
30 key.append(sensor.second);
31 auto env = getenv(key.c_str());
32 if (env)
33 {
34 value.assign(env);
35 }
36
37 return value;
38}
39
40// vim: tabstop=8 expandtab shiftwidth=4 softtabstop=4