diff --git a/LICENSE b/COPYING
similarity index 100%
rename from LICENSE
rename to COPYING
diff --git a/pdebug.h b/pdebug.h
new file mode 100644
index 0000000..5808102
--- /dev/null
+++ b/pdebug.h
@@ -0,0 +1,45 @@
+/***************************************************************************
+ *  Copyright (C) 2014  Evgeniy Alekseev                                      *
+ *                                                                         *
+ *  This library is free software; you can redistribute it and/or          *
+ *  modify it under the terms of the GNU Lesser General Public             *
+ *  License as published by the Free Software Foundation; either           *
+ *  version 3.0 of the License, or (at your option) any later version.     *
+ *                                                                         *
+ *  This library is distributed in the hope that it will be useful,        *
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of         *
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU       *
+ *  Lesser General Public License for more details.                        *
+ *                                                                         *
+ *  You should have received a copy of the GNU Lesser General Public       *
+ *  License along with this library.                                       *
+ ***************************************************************************/
+
+
+#ifndef PRETTY_DEBUG_H
+#define PRETTY_DEBUG_H
+
+
+inline const char *pDebug(const std::string prettyFunction)
+{
+    return prettyFunction.c_str();
+}
+
+
+inline std::string pFuncInfo(const std::string prettyFunction)
+{
+    size_t colons = prettyFunction.find("::");
+    // workaround for functions which are not belong to any class
+    if (colons == std::string::npos)
+        colons = prettyFunction.rfind("(");
+    size_t begin = prettyFunction.substr(0, colons).rfind(" ") + 1;
+    size_t end = prettyFunction.rfind("(") - begin;
+
+    return "[" + prettyFunction.substr(begin, end) + "]";
+}
+
+
+#define PDEBUG pDebug(pFuncInfo(__PRETTY_FUNCTION__))
+
+
+#endif /* PRETTY_DEBUG_H */