diff --git a/CMakeLists.txt b/CMakeLists.txt
index 61ebde3..42095ab 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,5 +1,14 @@
 cmake_minimum_required (VERSION 2.6)
 project(cookiebot)
+set(CMAKE_BUILD_TYPE DEBUG)
+set(CMAKE_C_FLAGS_DEBUG "-O0 -g3 -pg -std=c99")
+set(CMAKE_C_FLAGS_MINSIZEREL "-Os -std=c99")
+set(CMAKE_C_FLAGS_RELWITHDEBINFO "-O0 -g -std=c99")
+set(CMAKE_C_FLAGS_RELEASE "-O3 -std=c99")
+set(CMAKE_CXX_FLAGS_DEBUG "-O0 -g3 -pg -std=gnu++14")
+set(CMAKE_CXX_FLAGS_MINSIZEREL "-Os -std=gnu++14")
+set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "-O0 -g -std=gnu++14")
+set(CMAKE_CXX_FLAGS_RELEASE "-O3 -std=gnu++14")
 set (cookiebot_VERSION_MAJOR 0)
 set (cookiebot_VERSION_MINOR 0)
 find_package (ZLIB)
@@ -25,6 +34,7 @@ configure_file (
   "${PROJECT_BINARY_DIR}/cookiebot_conf.h"
   )
 include_directories("${PROJECT_BINARY_DIR}")
+include_directories("${PROJECT_SOURCE_DIR}/include")
 if (MOD_GZIP)
   set(EXTRA_LIBS ${EXTRA_LIBS} z)
 endif (MOD_GZIP)
@@ -34,5 +44,6 @@ endif (MOD_BZ2)
 if (MOD_XZ)
   set(EXTRA_LIBS ${EXTRA_LIBS} lzma)
 endif (MOD_XZ)
-add_executable(cookiebot cookiebot.cpp)
+
+add_executable(cookiebot cookiebot.cpp module_storage.cpp)
 target_link_libraries (cookiebot ${EXTRA_LIBS})
diff --git a/cookiebot.cpp b/cookiebot.cpp
index ddc8f64..92c394d 100644
--- a/cookiebot.cpp
+++ b/cookiebot.cpp
@@ -1,9 +1,20 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <math.h>
+#include <iostream>
 #include "cookiebot_conf.h"
+#include <module_storage.hpp>
 int main (int argc, char *argv[])
 {
-  
+#ifdef USE_GZIP
+  printf("I use GZip\n");
+#endif
+#ifdef USE_BZIP2
+  printf("I use BZip2\n");
+#endif
+#ifdef USE_XZ
+  printf("I use XZ\n");
+#endif
+  std::cout << getModuleStorage("test.gz") << std::endl;
   return 0;
 }
diff --git a/cookiebot_conf.h.in b/cookiebot_conf.h.in
index 64baff2..3c2a663 100644
--- a/cookiebot_conf.h.in
+++ b/cookiebot_conf.h.in
@@ -1,2 +1,7 @@
 #define VERSION_MAJOR @cookiebot_VERSION_MAJOR@
 #define VERSION_MINOR @cookiebot_VERSION_MINOR@
+#define ON 1
+#define OFF 0
+#define USE_GZIP @MOD_GZIP@
+#define USE_BZIP2 @MOD_BZ2@
+#define USE_XZ @MOD_XZ@
diff --git a/include/module_storage.hpp b/include/module_storage.hpp
new file mode 100644
index 0000000..130bff4
--- /dev/null
+++ b/include/module_storage.hpp
@@ -0,0 +1,5 @@
+#ifndef __MODULE_STORAGE_HPP
+#define __MODULE_STORAGE_HPP
+#include <string>
+auto getModuleStorage(std::string filename) -> std::string;
+#endif /* end of include guard: __MODULE_STORAGE_HPP */
diff --git a/module_storage.cpp b/module_storage.cpp
new file mode 100644
index 0000000..2118e99
--- /dev/null
+++ b/module_storage.cpp
@@ -0,0 +1,42 @@
+
+#define CHUNK 16384
+#include <module_storage.hpp>
+#include <stdio.h>
+#include <string.h>
+#include <assert.h>
+#include "cookiebot_conf.h"
+#include <iostream>
+#if USE_GZIP == ON
+#include <zlib.h>
+#endif
+auto getModuleStorage(std::string filename) -> std::string {
+  std::string::size_type idx;
+  idx = filename.rfind('.');
+
+  if(idx != std::string::npos)
+  {
+      std::string extension = filename.substr(idx+1);
+#if USE_GZIP == ON
+      if(extension=="gz") {
+        FILE *out;
+        out=fopen(filename.substr(0,idx).c_str(), "wb");
+        struct gzFile_s *file = gzopen(filename.c_str(),"rb");
+        size_t len=1024*1024;
+        gzrewind(file);
+        uint8_t *buf=new uint8_t[len];
+        gzread(file, (void*)buf, len);
+        std::cout << buf << std::endl;
+        fwrite((void*)buf, len, 1, out);
+        gzclose(file);
+        fclose(out);
+        delete[] buf;
+        return filename.substr(0,idx);
+      }
+#endif
+      return filename;
+  }
+  else
+  {
+      return nullptr;
+  }
+}