diff -r aa376dba1ba8 -r 1aa598f36872 test/utils_tests.c
--- a/test/utils_tests.c	Fri Aug 16 13:40:10 2013 +0200
+++ b/test/utils_tests.c	Fri Aug 16 14:48:58 2013 +0200
@@ -46,7 +46,7 @@
     UCX_TEST_ASSERT(!strcmp(b1->space, "Hello World\nend.\n"),
             "wrong content in b1 after second fprintf");
     
-    ucx_fprintf(b2, (write_func)ucx_buffer_write, "%s%s", teststr1, teststr2);
+    ucx_bprintf(b2, "%s%s", teststr1, teststr2);
     UCX_TEST_ASSERT(b2->pos == 2046, "wrong length");
     UCX_TEST_ASSERT(!memcmp(b2->space, teststr1, 1023),
             "wrong first half in b2");
@@ -57,6 +57,8 @@
     
     ucx_buffer_free(b1);
     ucx_buffer_free(b2);
+    free(teststr1);
+    free(teststr2);
 }
 
 UCX_TEST(test_ucx_asprintf) {
@@ -84,4 +86,7 @@
     free(s2.ptr);
     
     UCX_TEST_END
+            
+    free(teststr1);
+    free(teststr2);
 }