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/*
* Copyright (C) 2016 The Android Open Source Project
*
* 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 "uptime_parser.h"
#include <time.h>
#include <cstdlib>
#include <string>
#include <android-base/file.h>
#include <android-base/logging.h>
namespace bootstat {
time_t ParseUptime() {
std::string uptime_str;
if (!android::base::ReadFileToString("/proc/uptime", &uptime_str)) {
PLOG(ERROR) << "Failed to read /proc/uptime";
return -1;
}
// Cast intentionally rounds down.
return static_cast<time_t>(strtod(uptime_str.c_str(), NULL));
}
} // namespace bootstat
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