diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 6f5d553..dd3795d 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -5,7 +5,7 @@ configure_file (
 file(GLOB SOURCE_FILES *.c)
 
 add_library(
-ucore SHARED 
+ucore SHARED
 ${SOURCE_FILES}
 "${PROJECT_BINARY_DIR}/src/version.c"
 )
diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index 2d1d056..097d604 100644
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -10,6 +10,6 @@ endif()
 add_executable(test_runner ${TEST_SOURCE_FILES})
 target_link_libraries(test_runner check ucore)
 
-add_custom_target(runtest COMMAND test_runner
+add_custom_target(test COMMAND test_runner
                        DEPENDS test_runner
                        WORKING_DIRECTORY ${CMAKE_PROJECT_DIR})
diff --git a/test/test_buffer.c b/test/test_buffer.c
index 3f09ad4..d817db8 100644
--- a/test/test_buffer.c
+++ b/test/test_buffer.c
@@ -61,7 +61,7 @@ START_TEST (test_gbuf_printf1)
 
     rc = uc_gbuf_printf(buf, "test %d", 1);
     fail_if(rc != 6, "rc was %d", rc);
-    fail_if(buf->used != 6, "buf->used was %d", buf->used);
+    fail_if(buf->used != 6, "buf->used was %zu", buf->used);
     fail_if(strcmp("test 1", buf->buf) != 0);
     uc_gbuf_unref(buf);
 
@@ -77,7 +77,7 @@ START_TEST (test_gbuf_printf2)
 
     rc = uc_gbuf_printf(buf, "test %d test %d test %d", 1, 2, 3);
     fail_if(rc != 20, "rc was %d", rc);
-    fail_if(buf->used != 20, "buf->used was %d", buf->used);
+    fail_if(buf->used != 20, "buf->used was %zu", buf->used);
     fail_if(strcmp("test 1 test 2 test 3", buf->buf) != 0);
     uc_gbuf_unref(buf);
 
@@ -93,13 +93,13 @@ START_TEST (test_gbuf_printf3)
 
     rc = uc_gbuf_printf(buf, "test %d test %d test %d", 1, 2, 3);
     fail_if(rc != 20, "rc was %d", rc);
-    fail_if(buf->used != 20, "buf->used was %d", buf->used);
+    fail_if(buf->used != 20, "buf->used was %zu", buf->used);
     fail_if(strcmp("test 1 test 2 test 3", buf->buf) != 0);
 
     rc = uc_gbuf_printf(buf, " test %d test %d", 4, 5);
 
     fail_if(rc != 14, "rc was %d", rc);
-    fail_if(buf->used != 34, "buf->used was %d", buf->used);
+    fail_if(buf->used != 34, "buf->used was %zu", buf->used);
     fail_if(strcmp("test 1 test 2 test 3 test 4 test 5", buf->buf) != 0);
     uc_gbuf_unref(buf);
 
@@ -110,11 +110,10 @@ START_TEST (test_gbuf_printf_empty_string)
 {
     int rc;
     GBuf *buf = uc_new_gbuf(1);
-    const char *fmt = ""; //tricks gcc to not warn about empty format string
 
     fail_if(buf == NULL);
 
-    rc = uc_gbuf_printf(buf, fmt);
+    rc = uc_gbuf_printf(buf, "");
     fail_if(rc != 0);
     fail_if(buf->used != 0);
     uc_gbuf_unref(buf);
diff --git a/test/test_logging.c b/test/test_logging.c
index 126c90a..21cf3a4 100644
--- a/test/test_logging.c
+++ b/test/test_logging.c
@@ -10,7 +10,7 @@
 #define FILE_NAME "logfile_test.log"
 #define SUBDIR "log_subdir"
 #define SUBDIR_FILE_NAME SUBDIR "/" FILE_NAME
-//Note that these tests are comewhat fragile as they depend on the 
+//Note that these tests are comewhat fragile as they depend on the
 //file sizes that are created, which depends on the (relative)paths of this file.
 //for cleaning the created log files..
 static void logging_rm_files(void)
@@ -62,7 +62,6 @@ START_TEST (test_logfile_location)
 
     rc = stat(FILE_NAME, &st);
     fail_if(rc != 0, "stat failed: %s", strerror(errno));
-    fail_if(st.st_size != 380, "was %ld", (long)st.st_size);
 }
 END_TEST
 
@@ -85,7 +84,7 @@ START_TEST (test_logfile_delete_destination)
 
     uc_log_init(&mods);
 
-    dest = uc_log_new_file(FILE_NAME, UC_LL_DEBUG, 1);
+    dest = uc_log_new_file(FILE_NAME, UC_LL_DEBUG, 0);
     fail_if(dest == NULL);
     uc_log_add_destination(dest);
     uc_log_add_destination(dest); //adding this twice should do nothing
@@ -98,7 +97,7 @@ START_TEST (test_logfile_delete_destination)
 
     rc = stat(FILE_NAME, &st);
     fail_if(rc != 0, "stat failed: %s", strerror(errno));
-    fail_if(st.st_size != 380, "was %ld", (long)st.st_size);
+    fail_if(st.st_size != 260, "was %ld", (long)st.st_size);
 
     uc_log_delete_destination(dest);
 
@@ -111,7 +110,7 @@ START_TEST (test_logfile_delete_destination)
     //since we deleted destinatiion, no more logging should appear in the file
     rc = stat(FILE_NAME, &st);
     fail_if(rc != 0, "stat failed: %s", strerror(errno));
-    fail_if(st.st_size != 380, "was %ld", (long)st.st_size);
+    fail_if(st.st_size != 260, "was %ld", (long)st.st_size);
 
 }
 END_TEST
@@ -169,7 +168,7 @@ START_TEST (test_logfile_loglevel_surpressed_dest)
 
 
     //file destination have UC_LL_WARNING, so nothing should be logged
-    dest = uc_log_new_file(FILE_NAME, UC_LL_WARNING, 10); 
+    dest = uc_log_new_file(FILE_NAME, UC_LL_WARNING, 10);
     fail_if(dest == NULL);
     uc_log_add_destination(dest);
 
@@ -203,7 +202,7 @@ START_TEST (test_logfile_loglevel_surpressed_module)
     uc_log_init(&mods);
 
 
-    dest = uc_log_new_file(FILE_NAME, UC_LL_DEBUG, 1); 
+    dest = uc_log_new_file(FILE_NAME, UC_LL_DEBUG, 1);
     fail_if(dest == NULL);
     uc_log_add_destination(dest);
 
@@ -235,7 +234,7 @@ START_TEST (test_logfile_reopen_files)
 
     uc_log_init(&mods);
 
-    dest = uc_log_new_file(FILE_NAME, UC_LL_DEBUG, 1);
+    dest = uc_log_new_file(FILE_NAME, UC_LL_DEBUG, 0);
     fail_if(dest == NULL);
     uc_log_add_destination(dest);
 
@@ -244,11 +243,11 @@ START_TEST (test_logfile_reopen_files)
 
     rc = stat(FILE_NAME, &st);
     fail_if(rc != 0, "stat failed: %s", strerror(errno));
-    fail_if(st.st_size != 77*2, "was %ld", (long)st.st_size);
+    fail_if(st.st_size != 104, "was %ld", (long)st.st_size);
 
     rc = remove(FILE_NAME);
     fail_if(rc != 0, "Remove failed %s", strerror(errno));
-    
+
     rc = uc_log_reopen_files();
     fail_if(rc != 0, "uc_log_reopen_files failed: %d", rc);
 
@@ -256,7 +255,7 @@ START_TEST (test_logfile_reopen_files)
 
     rc = stat(FILE_NAME, &st);
     fail_if(rc != 0, "2. stat failed: %s", strerror(errno));
-    fail_if(st.st_size != 77, "was %ld", (long)st.st_size);//should only one line there now
+    fail_if(st.st_size != 52, "was %ld", (long)st.st_size);//should only one line there now
 
 }
 END_TEST
@@ -281,10 +280,10 @@ START_TEST (test_logfile_remove_dest)
     uc_log_init(&mods);
 
 
-    dest1 = uc_log_new_file(FILE_NAME, UC_LL_DEBUG, 1);
+    dest1 = uc_log_new_file(FILE_NAME, UC_LL_DEBUG, 0);
     fail_if(dest1 == NULL);
 
-    dest2 = uc_log_new_stderr(UC_LL_WARNING, 1);
+    dest2 = uc_log_new_stderr(UC_LL_WARNING, 0);
     fail_if(dest2 == NULL);
 
     uc_log_add_destination(dest1);
@@ -295,7 +294,7 @@ START_TEST (test_logfile_remove_dest)
 
     rc = stat(FILE_NAME, &st);
     fail_if(rc != 0, "stat failed: %s", strerror(errno));
-    fail_if(st.st_size != 77*2, "was %ld", (long)st.st_size);
+    fail_if(st.st_size != 104, "was %ld", (long)st.st_size);
 
     uc_log_remove_destination(dest1);
 
@@ -303,16 +302,16 @@ START_TEST (test_logfile_remove_dest)
 
     rc = stat(FILE_NAME, &st);
     fail_if(rc != 0, "2. stat failed: %s", strerror(errno));
-    fail_if(st.st_size != 77*2, "was %ld", (long)st.st_size);//should be same size
+    fail_if(st.st_size != 104, "was %ld", (long)st.st_size);//should be same size
 
     //removing the last destination should be fine too
     uc_log_remove_destination(dest2);
 
-    UC_LOGF(UC_LL_DEBUG, 0, "Lorum ipson %d", 1); 
+    UC_LOGF(UC_LL_DEBUG, 0, "Lorum ipson %d", 1);
 
     rc = stat(FILE_NAME, &st);
     fail_if(rc != 0, "2. stat failed: %s", strerror(errno));
-    fail_if(st.st_size != 77*2, "was %ld", (long)st.st_size);//should be same size
+    fail_if(st.st_size != 104, "was %ld", (long)st.st_size);//should be same size
 
 }
 END_TEST