5 files changed, 7 insertions, 5 deletions

diff --git a/src/arm/test_gnunet_service_manager.c b/src/arm/test_gnunet_service_manager.c
index dd12bbd31..413a9e760 100644
--- a/src/arm/test_gnunet_service_manager.c
+++ b/src/arm/test_gnunet_service_manager.c
@@ -162,7 +162,7 @@ main (int argc, char *argv[])
       GNUNET_log_strerror (GNUNET_ERROR_TYPE_ERROR | GNUNET_ERROR_TYPE_BULK,
                            "gethostname");
       FPRINTF (stderr,
-               "Failed to determine my own hostname, testcase not run.\n", NULL);
+               "%s", "Failed to determine my own hostname, testcase not run.\n");
       return 0;
     }
   if (NULL == gethostbyname (hostname))
diff --git a/src/datacache/test_datacache.c b/src/datacache/test_datacache.c
index ff3640b6f..4f106d9e0 100644
--- a/src/datacache/test_datacache.c
+++ b/src/datacache/test_datacache.c
@@ -72,7 +72,8 @@ run (void *cls, char *const *args, const char *cfgfile,
   if (h == NULL)
   {
     FPRINTF (stderr,
-             "Failed to initialize datacache.  Database likely not setup, skipping test.\n", NULL);
+             "%s", 
+             "Failed to initialize datacache.  Database likely not setup, skipping test.\n");
     return;
   }
   exp = GNUNET_TIME_absolute_get ();
diff --git a/src/datastore/test_plugin_datastore.c b/src/datastore/test_plugin_datastore.c
index ca894ff33..ea9e85d70 100644
--- a/src/datastore/test_plugin_datastore.c
+++ b/src/datastore/test_plugin_datastore.c
@@ -344,7 +344,7 @@ run (void *cls, char *const *args, const char *cfgfile,
   if (api == NULL)
   {
     FPRINTF (stderr,
-             "Could not initialize plugin, assuming database not configured. Test not run!\n", NULL);
+             "%s", "Could not initialize plugin, assuming database not configured. Test not run!\n");
     return;
   }
   crc = GNUNET_malloc (sizeof (struct CpsRunContext));
diff --git a/src/fs/test_fs_file_information.c b/src/fs/test_fs_file_information.c
index 34ac3285e..0a2969cd3 100644
--- a/src/fs/test_fs_file_information.c
+++ b/src/fs/test_fs_file_information.c
@@ -152,7 +152,8 @@ testThumbnail ()
   if (ex == NULL)
   {
     FPRINTF (stderr,
-             "Test incomplete, have no GTK thumbnail extractor available.\n", NULL);
+             "%s",
+             "Test incomplete, have no GTK thumbnail extractor available.\n");
     return 0;                   /* can not test, no thumbnailer */
   }
   ex = EXTRACTOR_plugin_add_config (ex, "mime",
diff --git a/src/util/test_resolver_api.c b/src/util/test_resolver_api.c
index 75140f8d5..c96030698 100644
--- a/src/util/test_resolver_api.c
+++ b/src/util/test_resolver_api.c
@@ -265,7 +265,7 @@ run (void *cls, char *const *args, const char *cfgfile,
                 hstrerror (h_errno));
 #endif
     FPRINTF (stderr,
-             "System seems to be off-line, will not run all DNS tests\n", NULL);
+             "%s", "System seems to be off-line, will not run all DNS tests\n");
     *ok = 0;                    /* mark test as passing anyway */
     return;
   }