1 /*
2 * Copyright (C) 2018 The Android Open Source Project
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 <pixelpowerstats/PowerStatsUtils.h>
18
19 namespace android {
20 namespace hardware {
21 namespace google {
22 namespace pixel {
23 namespace powerstats {
24 namespace utils {
25
extractStat(const char * line,const std::string & prefix,uint64_t & stat)26 bool extractStat(const char *line, const std::string &prefix, uint64_t &stat) {
27 char const *prefixStart = strstr(line, prefix.c_str());
28 if (prefixStart == nullptr) {
29 // Did not find the given prefix
30 return false;
31 }
32
33 stat = strtoull(prefixStart + prefix.length(), nullptr, 0);
34 return true;
35 }
36
37 } // namespace utils
38 } // namespace powerstats
39 } // namespace pixel
40 } // namespace google
41 } // namespace hardware
42 } // namespace android