Initial commit

Change-Id: I4bf1707bd3dfeadf2c17b0a7daff372b1925ebbd

runtime/os_interface/linux/debug_env_reader.cpp

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+/*
+ * Copyright (c) 2017, Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#include "runtime/utilities/linux/debug_env_reader.h"
+
+namespace OCLRT {
+
+SettingsReader *SettingsReader::createOsReader() {
+    return new EnvironmentVariableReader;
+}
+
+bool EnvironmentVariableReader::getSetting(const char *settingName, bool defaultValue) {
+    return getSetting(settingName, static_cast<int32_t>(defaultValue)) ? true : false;
+}
+
+int32_t EnvironmentVariableReader::getSetting(const char *settingName, int32_t defaultValue) {
+    int32_t value = defaultValue;
+    char *envValue;
+
+    envValue = getenv(settingName);
+    if (envValue) {
+        value = atoi(envValue);
+    }
+    return value;
+}
+
+std::string EnvironmentVariableReader::getSetting(const char *settingName, const std::string &value) {
+    char *envValue;
+    std::string keyValue;
+    keyValue.assign(value);
+
+    envValue = getenv(settingName);
+    if (envValue) {
+        keyValue.assign(envValue);
+    }
+    return keyValue;
+}
+}