Revert "bootstat: Remove custom uptime parser in favor of elapsedRealtime."
This reverts commit 26f40c04c3ad80e2bc449990010d39d1c1b9a5f0.
This change broke the Darwin SDK target.
Test: none
Change-Id: Ia54fe2c31da8d8fa2825e023b035fb8321dcd457
diff --git a/bootstat/uptime_parser.cpp b/bootstat/uptime_parser.cpp
new file mode 100644
index 0000000..7c2034c
--- /dev/null
+++ b/bootstat/uptime_parser.cpp
@@ -0,0 +1,38 @@
+/*
+ * 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
\ No newline at end of file