diff -r 8ff82697f2c3 -r 148b7c7ccaf9 src/list.c
--- a/src/list.c	Sat Jan 25 15:22:01 2025 +0100
+++ b/src/list.c	Tue Jan 28 18:31:17 2025 +0100
@@ -128,13 +128,13 @@
     return ptr == NULL ? NULL : *ptr;
 }
 
-static ssize_t cx_pl_find_remove(
+static size_t cx_pl_find_remove(
         struct cx_list_s *list,
         const void *elem,
         bool remove
 ) {
     cx_pl_hack_cmpfunc(list);
-    ssize_t ret = list->climpl->find_remove(list, &elem, remove);
+    size_t ret = list->climpl->find_remove(list, &elem, remove);
     cx_pl_unhack_cmpfunc(list);
     return ret;
 }
@@ -207,12 +207,12 @@
     return NULL;
 }
 
-static ssize_t cx_emptyl_find_remove(
+static size_t cx_emptyl_find_remove(
         cx_attr_unused struct cx_list_s *list,
         cx_attr_unused const void *elem,
         cx_attr_unused bool remove
 ) {
-    return -1;
+    return 0;
 }
 
 static bool cx_emptyl_iter_valid(cx_attr_unused const void *iter) {
@@ -249,18 +249,19 @@
 };
 
 CxList cx_empty_list = {
-        {
-                NULL,
-                NULL,
-                0,
-                0,
-                NULL,
-                NULL,
-                NULL,
-                false
-        },
-        &cx_empty_list_class,
-        NULL
+    {
+        NULL,
+        NULL,
+        0,
+        0,
+        NULL,
+        NULL,
+        NULL,
+        false,
+        true,
+    },
+    &cx_empty_list_class,
+    NULL
 };
 
 CxList *const cxEmptyList = &cx_empty_list;