update

CMakeLists.txt

@@ -0,0 +1,7 @@
+cmake_minimum_required(VERSION 3.12)
+project(test_env)
+
+set(CMAKE_CXX_STANDARD 14)
+
+add_executable(test_env main.cpp)
+target_link_libraries(test_env boost_system boost_filesystem)

main.cpp

@@ -0,0 +1,15 @@
+#include <iostream>
+#include <cstdlib>
+#include <boost/filesystem.hpp>
+
+using namespace std;
+int main() {
+  boost::filesystem::path keyStorePath;
+  if (std::getenv("HOME") != nullptr) {
+    keyStorePath = boost::filesystem::path(std::getenv("HOME")) / ".ndn";
+  } else {
+    keyStorePath = boost::filesystem::current_path() / ".ndn";
+  }
+  cout << keyStorePath.string() << endl;
+  return 0;
+}