diff --git a/src/Log.cpp b/src/Log.cpp
new file mode 100644
index 0000000..9b5a18d
--- /dev/null
+++ b/src/Log.cpp
@@ -0,0 +1,62 @@
+/*----------------------------------------------------------------------------*/
+/* Copyright (c) FIRST 2015. All Rights Reserved.                             */
+/* Open Source Software - may be modified and shared by FRC teams. The code   */
+/* must be accompanied by the FIRST BSD license file in the root directory of */
+/* the project.                                                               */
+/*----------------------------------------------------------------------------*/
+
+#include "Log.h"
+
+#include <cstdio>
+#ifdef _WIN32
+ #include <cstdlib>
+#else
+ #include <cstring>
+#endif
+
+#ifdef __APPLE__
+ #include <libgen.h>
+#endif
+
+using namespace nt;
+
+ATOMIC_STATIC_INIT(Logger)
+
+static void def_log_func(unsigned int level, const char* file,
+                         unsigned int line, const char* msg) {
+  if (level == 20) {
+    std::fprintf(stderr, "NT: %s\n", msg);
+    return;
+  }
+
+  const char* levelmsg;
+  if (level >= 50)
+    levelmsg = "CRITICAL";
+  else if (level >= 40)
+    levelmsg = "ERROR";
+  else if (level >= 30)
+    levelmsg = "WARNING";
+  else
+    return;
+#ifdef _WIN32
+  char fname[60];
+  char ext[10];
+  _splitpath_s(file, nullptr, 0, nullptr, 0, fname, 60, ext, 10);
+  std::fprintf(stderr, "NT: %s: %s (%s%s:%d)\n", levelmsg, msg, fname, ext,
+               line);
+#elif __APPLE__
+  int len = strlen(msg) + 1;
+  char* basestr = new char[len + 1];
+  strncpy(basestr, file, len);
+  std::fprintf(stderr, "NT: %s: %s (%s:%d)\n", levelmsg, msg, basename(basestr),
+               line);
+  delete[] basestr;
+#else
+  std::fprintf(stderr, "NT: %s: %s (%s:%d)\n", levelmsg, msg, basename(file),
+               line);
+#endif
+}
+
+Logger::Logger() : m_func(def_log_func) {}
+
+Logger::~Logger() {}