diff -r fb59270b1de3 -r 303dabadff1c test/list_tests.c
--- a/test/list_tests.c	Fri Oct 12 10:54:55 2012 +0200
+++ b/test/list_tests.c	Fri Oct 12 12:08:34 2012 +0200
@@ -5,12 +5,12 @@
 #include "list_tests.h"
 
 UCX_TEST_IMPLEMENT(test_ucx_list_append) {
-    UcxList *list = ucx_list_append(NULL, "Hello");
+    UcxList *list = ucx_list_append(NULL, (void*)"Hello");
     UCX_TEST_BEGIN
     UCX_TEST_ASSERT(strncmp((const char*)list->data, "Hello", 5) == 0,
             "failed");
     
-    list = ucx_list_append(list, " World!");
+    list = ucx_list_append(list, (void*)" World!");
     
     UCX_TEST_ASSERT(strncmp((const char*)list->next->data, " World!", 7) == 0,
             "failed");
@@ -21,9 +21,9 @@
 }
 
 UCX_TEST_IMPLEMENT(test_ucx_list_prepend) {
-    UcxList *list = ucx_list_prepend(NULL, " World!");
+    UcxList *list = ucx_list_prepend(NULL, (void*)" World!");
     UCX_TEST_BEGIN
-    list = ucx_list_prepend(list, "Hello");
+    list = ucx_list_prepend(list, (void*)"Hello");
     
     UCX_TEST_ASSERT(strncmp((const char*)list->data, "Hello", 5) == 0,
             "failed");
@@ -36,12 +36,12 @@
 }
 
 UCX_TEST_IMPLEMENT(test_ucx_list_equals) {
-    UcxList *list = ucx_list_append(NULL, "Hello");
-    list = ucx_list_append(list, " World!");
-    UcxList *list2 = ucx_list_prepend(NULL, " World!");
-    list2 = ucx_list_prepend(list2, "Hello");
-    UcxList *list3 = ucx_list_prepend(NULL, " Welt!");
-    list3 = ucx_list_prepend(list3, "Hallo");
+    UcxList *list = ucx_list_append(NULL, (void*)"Hello");
+    list = ucx_list_append(list, (void*)" World!");
+    UcxList *list2 = ucx_list_prepend(NULL, (void*)" World!");
+    list2 = ucx_list_prepend(list2, (void*)"Hello");
+    UcxList *list3 = ucx_list_prepend(NULL, (void*)" Welt!");
+    list3 = ucx_list_prepend(list3, (void*)"Hallo");
     
     UCX_TEST_BEGIN
     UCX_TEST_ASSERT(ucx_list_equals(list, list2, cmp_string, NULL), "failed");
@@ -54,8 +54,8 @@
 }
 
 UCX_TEST_IMPLEMENT(test_ucx_list_concat) {
-    UcxList *list = ucx_list_append(NULL, "Hello");
-    UcxList *list2 = ucx_list_prepend(NULL, " World!");
+    UcxList *list = ucx_list_append(NULL, (void*)"Hello");
+    UcxList *list2 = ucx_list_prepend(NULL, (void*)" World!");
     
     list = ucx_list_concat(list, list2);
     UCX_TEST_BEGIN
@@ -74,12 +74,12 @@
 }
 
 UCX_TEST_IMPLEMENT(test_ucx_list_size) {
-    UcxList *list = ucx_list_append(NULL, "This ");
+    UcxList *list = ucx_list_append(NULL, (void*)"This ");
     UCX_TEST_BEGIN
-    list = ucx_list_append(list, "list ");
-    list = ucx_list_append(list, "has ");
-    list = ucx_list_append(list, "size ");
-    list = ucx_list_append(list, "5!");
+    list = ucx_list_append(list, (void*)"list ");
+    list = ucx_list_append(list, (void*)"has ");
+    list = ucx_list_append(list, (void*)"size ");
+    list = ucx_list_append(list, (void*)"5!");
     
     UCX_TEST_ASSERT(ucx_list_size(list) == 5, "failed");
     
@@ -88,10 +88,10 @@
 }
 
 UCX_TEST_IMPLEMENT(test_ucx_list_last) {
-    UcxList *list = ucx_list_append(NULL, "Find ");
+    UcxList *list = ucx_list_append(NULL, (void*)"Find ");
     UCX_TEST_BEGIN
-    list = ucx_list_append(list, "the ");
-    list = ucx_list_append(list, "last!");
+    list = ucx_list_append(list, (void*)"the ");
+    list = ucx_list_append(list, (void*)"last!");
     
     const char* last = (const char*) (ucx_list_last(list)->data);
     
@@ -103,10 +103,10 @@
 }
 
 UCX_TEST_IMPLEMENT(test_ucx_list_get) {
-    UcxList *list = ucx_list_append(NULL, "Find ");
+    UcxList *list = ucx_list_append(NULL, (void*)"Find ");
     UCX_TEST_BEGIN
-    list = ucx_list_append(list, "the ");
-    list = ucx_list_append(list, "mid!");
+    list = ucx_list_append(list, (void*)"the ");
+    list = ucx_list_append(list, (void*)"mid!");
     
     const char* mid = (const char*) (ucx_list_get(list, 1)->data);
     
@@ -117,10 +117,10 @@
 }
 
 UCX_TEST_IMPLEMENT(test_ucx_list_remove) {
-    UcxList *list = ucx_list_append(NULL, "Hello");
+    UcxList *list = ucx_list_append(NULL, (void*)"Hello");
     UCX_TEST_BEGIN
-    list = ucx_list_append(list, " fucking");
-    list = ucx_list_append(list, " World!");
+    list = ucx_list_append(list, (void*)" fucking");
+    list = ucx_list_append(list, (void*)" World!");
     
     list = ucx_list_remove(list, ucx_list_get(list, 1));
     
@@ -163,21 +163,21 @@
 }
 
 UCX_TEST_IMPLEMENT(test_ucx_list_sort) {
-    UcxList *list = ucx_list_append(NULL, "this");
-    list = ucx_list_append(list, "is");
-    list = ucx_list_append(list, "a");
-    list = ucx_list_append(list, "test");
-    list = ucx_list_append(list, "for");
-    list = ucx_list_append(list, "partial");
-    list = ucx_list_append(list, "correctness");
+    UcxList *list = ucx_list_append(NULL, (void*)"this");
+    list = ucx_list_append(list, (void*)"is");
+    list = ucx_list_append(list, (void*)"a");
+    list = ucx_list_append(list, (void*)"test");
+    list = ucx_list_append(list, (void*)"for");
+    list = ucx_list_append(list, (void*)"partial");
+    list = ucx_list_append(list, (void*)"correctness");
 
-    UcxList *expected = ucx_list_append(NULL, "a");
-    expected = ucx_list_append(expected, "correctness");
-    expected = ucx_list_append(expected, "for");
-    expected = ucx_list_append(expected, "is");
-    expected = ucx_list_append(expected, "partial");
-    expected = ucx_list_append(expected, "test");
-    expected = ucx_list_append(expected, "this");
+    UcxList *expected = ucx_list_append(NULL, (void*)"a");
+    expected = ucx_list_append(expected, (void*)"correctness");
+    expected = ucx_list_append(expected, (void*)"for");
+    expected = ucx_list_append(expected, (void*)"is");
+    expected = ucx_list_append(expected, (void*)"partial");
+    expected = ucx_list_append(expected, (void*)"test");
+    expected = ucx_list_append(expected, (void*)"this");
 
     list = ucx_list_sort(list, cmp_string, NULL);