Also a xdg_data_path

src/main.cpp

@@ -69,7 +69,7 @@ int main(int ac, char** av)
   if (ac > 1)
     Config::filename = av[1];
   else
-    Config::filename = xdg_path("biboumi.cfg");
+    Config::filename = xdg_config_path("biboumi.cfg");
 
   Config::file_must_exist = true;
   std::cerr << "Using configuration file: " << Config::filename << std::endl;

src/test.cpp

@@ -13,6 +13,7 @@
 #include <utils/revstr.hpp>
 #include <irc/irc_user.hpp>
 #include <utils/split.hpp>
+#include <utils/xdg.hpp>
 #include <xmpp/jid.hpp>
 #include <irc/iid.hpp>
 #include <string.h>
@@ -423,6 +424,12 @@ int main()
     res = xdg_config_path("coucou.txt");
     std::cout << res << std::endl;
     assert(res == "/some_weird_dir/biboumi/coucou.txt");
+
+    ::setenv("XDG_DATA_HOME", "/datadir", 1);
+    res = xdg_data_path("bonjour.txt");
+    std::cout << res << std::endl;
+    assert(res == "/datadir/biboumi/bonjour.txt");
+
   }
 
   return 0;