38 lines
1.1 KiB
C++
38 lines
1.1 KiB
C++
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/*
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* Copyright (C) 2016 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "uptime_parser.h"
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#include <time.h>
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#include <cstdlib>
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#include <string>
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#include <android-base/file.h>
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#include <android-base/logging.h>
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namespace bootstat {
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time_t ParseUptime() {
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std::string uptime_str;
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if (!android::base::ReadFileToString("/proc/uptime", &uptime_str)) {
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PLOG(ERROR) << "Failed to read /proc/uptime";
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return -1;
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}
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// Cast intentionally rounds down.
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return static_cast<time_t>(strtod(uptime_str.c_str(), NULL));
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}
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} // namespace bootstat
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